CN111558827B

CN111558827B - Automatic assembling equipment for hook buckle

Info

Publication number: CN111558827B
Application number: CN202010458084.9A
Authority: CN
Inventors: 何道兵
Original assignee: Yiwu Hongri Intelligent Technology Co ltd
Current assignee: Yiwu Hongri Intelligent Technology Co ltd
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2021-08-10
Anticipated expiration: 2040-05-26
Also published as: CN111558827A

Abstract

The invention discloses automatic assembling equipment for a hook fastener, which is used for assembling a fastener body, a fastener head, a torsion spring and a pin into the hook fastener, and then carrying out bell jar riveting on the tail part of the hook fastener to finish the assembling process. The automatic assembly process of the automatic hook assembly equipment comprises the following steps: the button body feeding stations control the button bodies to enter corresponding clamping jigs one by one, and the clamping jigs loaded with the button bodies rotate along with the indexing rotary table and sequentially pass through the button head feeding stations to carry out button head buckling and enter the clamping jigs for fixation; the torsion spring feeding mechanism automatically inserts a spring in a torsion spring feeding and pin feeding station, and the pin feeding mechanism inserts a pin and rivets the pin in a pin riveting station through the guide of a guide pin; a bell jar is arranged on the bell jar feeding mechanism in the bell jar assembling station, and the bell jar is riveted on the hook buckle by the bell jar riveting device; and then finished product hook buckle collection is completed by a finished product taking station. The automatic assembling equipment for the hook buckle fully realizes automatic operation, new hook buckle design and matched new automatic assembling equipment for the hook buckle, and has high practical value.

Description

Automatic assembling equipment for hook buckle

Technical Field

The invention relates to the technical field of automatic assembling machines, in particular to automatic assembling equipment for a hook buckle.

Background

At present, the equipment of traditional knocker is all accomplished for manual operation, and operating personnel with spring mounting behind the knocker setting position location and with the lock, adopt the riveting fixed, manual equipment knocker is not only inefficiency, product quality is uneven, quality stability is poor, moreover because the knocker structure is small and exquisite, be difficult to the counterpoint during the riveting, often needs operating personnel adjustment position, this often can lead to the incident, brings danger for operating personnel.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide automatic clasp assembling equipment, which aims to solve the technical problems of low efficiency and uneven product quality caused by the existing manual assembly, namely new clasp design and new clasp assembling equipment matched with the new clasp design.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows: the automatic hook assembling equipment comprises a frame and an indexing turntable, wherein the indexing turntable is provided with a plurality of clamping jigs, and the frame is provided with a buckle body feeding mechanism, a buckle head feeding mechanism, a torsional spring feeding mechanism, a pin riveting mechanism, a bell jar assembling station and a finished product taking mechanism, wherein the bell jar assembling station comprises a bell jar feeding mechanism, a bell jar riveting device and a hook fixing mechanism.

The torsion spring feeding mechanism comprises a torsion spring resetting device, a torsion spring pushing device and a torsion spring transferring device; the torsion spring arrangement device is used for arranging torsion springs in an ordered state and comprises a torsion spring vibration disc and a torsion spring arrangement guide rail; the torsion spring pushing device is used for pushing a torsion spring to the torsion spring clamping part and comprises a torsion spring feeding channel, a torsion spring feeding tongue pushing the torsion spring to move in the torsion spring feeding channel and a torsion spring feeding cylinder driving the torsion spring feeding tongue to move, and the torsion spring feeding channel is communicated with the torsion spring homing guide rail and the torsion spring clamping part; the torsional spring transfer device transfers the torsional spring from the top to the cavity between the buckle body and the buckle head, and transfers the torsional spring to the position for the pin cross-connecting buckle body, the buckle head and the torsional spring.

The automatic assembly process of the automatic hook assembly equipment comprises the following steps: the button body feeding stations control the button bodies to enter corresponding clamping jigs one by one, and the clamping jigs loaded with the button bodies rotate along with the indexing rotary table and sequentially pass through the button head feeding stations to carry out button head buckling and enter the clamping jigs for fixation; the torsion spring feeding mechanism automatically inserts a spring in a torsion spring feeding and pin feeding station, and the pin feeding mechanism inserts a pin and rivets the pin in a pin riveting station through the guide of a guide pin; a bell jar is arranged on the bell jar feeding mechanism in the bell jar assembling station, and the bell jar is riveted on the hook buckle by the bell jar riveting device; and then finished product hook buckle collection is completed by a finished product taking station. Automatic assembly equipment of the hook buckle completely realizes automatic operation, continuous production can be realized, the assembly efficiency of the hook buckle is high, the product quality is stable, and the hook buckle has high practical value.

Preferably, the frame comprises a base platform and a supporting platform, the supporting platform is in a disc shape and is positioned above the base platform, and the base platform and the supporting platform are fixedly connected through a plurality of fixing supports uniformly distributed on the edge of the supporting platform; the index dial is rotatably disposed in a space between the base and the support base (73). The indexing turntable is driven by a driving mechanism below the indexing turntable to rotate intermittently, and the driving mechanism of the indexing turntable is positioned on the base station. The torsion spring feeding mechanism is arranged on the supporting platform.

Preferably, the clamping jig comprises a buckle body positioning seat, a buckle head positioning seat and a return spring, the buckle head positioning seat can swing under the action of the force application cam and is close to the buckle body positioning seat to clamp the buckle body and the buckle head, and the return spring is connected to the buckle head positioning seat so that the buckle head positioning seat is far away from the buckle body positioning seat when the force application cam is lost. The clamp has two states: the clamping jig is in a closed state to clamp the buckle head, and the clamping jig is in an open state under the action of a return spring in the process that the buckle head enters the torsion spring feeding mechanism along with the rotation of the indexing turntable.

Preferably, a buckle body accommodating groove for accommodating the buckle body is formed in the buckle body positioning seat, and the buckle body accommodating groove is provided with a top end limiting surface which is abutted against the top end of the buckle body; the button head positioning seat is internally provided with a button head accommodating groove for accommodating the button head. The button body positioning seat in the clamping jig is fixed on the indexing turntable, the button body positioning seat and the indexing turntable cannot move relatively, the button head positioning seat is connected with the indexing turntable through a pin at one end, and the button head positioning seat can rotate in a small range by taking the pin as a rotating shaft.

The buckle body feeding mechanism comprises a buckle body arranging device and a buckle body pushing device, wherein the buckle body arranging device arranges the buckle bodies into an ordered state and comprises a buckle body vibrating disc and a buckle body arranging guide rail; the button body pushing device pushes the button body into the button body accommodating groove and comprises a button body feeding channel, a button body feeding tongue for pushing the button body to move in the button body feeding channel and a button body feeding cylinder for driving the button body feeding tongue to move. Then the clamping fixture with the button body intermittently rotates through the indexing turntable to enter a button head feeding mechanism in the button head feeding process.

Preferably, the buckle feeding mechanism comprises a buckle resetting device, a buckle pushing device and a buckle limiting device; the button head arranging device arranges the button head into an ordered state and comprises a button head vibrating disc and a button head arranging guide rail; the buckle pushing device pushes the buckle to the buckle accommodating groove and comprises a buckle feeding channel, a buckle feeding tongue for pushing the buckle to move in the buckle feeding channel and a buckle feeding cylinder for driving the buckle feeding tongue to move; the buckle limiting device comprises a buckle limiting rod and a buckle limiting cylinder for driving the buckle limiting rod to move up and down, the buckle limiting rod moves up and down between a separation position and a limiting position, and the buckle limiting rod abuts against a set position on the buckle at the limiting position to limit the moving range of the buckle when the buckle is pushed by the buckle feeding tongue so that the buckle is located at the preset position in the buckle accommodating groove. The clamping fixture with the button body and the button head intermittently rotates through the indexing turntable to enter the next station.

Preferably, the pin feeding mechanism and the torsion spring feeding mechanism are located at the same station, the pin feeding mechanism is located on the outer side of the circumference of the indexing turntable, and the torsion spring feeding mechanism is located on the inner side of the circumference of the indexing turntable.

Preferably, the pin feeding mechanism comprises a pin arranging device, a pin pushing device, a pin pressing-in device and a pin guiding device; the pin arranging device arranges the pins into an ordered state and comprises a pin vibrating disc and a pin arranging guide rail; the pin pushing device pushes pins into the pin pressing device and comprises a pin feeding plate and a pin feeding cylinder for driving the pin feeding plate to move horizontally, and pin positioning holes are formed in the pin feeding plate; the pin pressing-in device presses the pin to the penetrating through hole of the penetrating buckle body, the buckle head and the torsion spring from the pin positioning hole, and comprises a pin guide seat, a pin pressing-in rod pushing the pin to move up and down through the pin guide seat and a pin pressing-in cylinder driving the pin pressing-in rod to move up and down, a first channel is formed in the pin guide seat, a pin guiding device is arranged below the pin guide seat, and a pin clamping device is further arranged on the pin guide seat. The pin clamping device comprises at least two clamping blocks, the clamping blocks are rotatably connected with the pin guide seat, an elastic piece is arranged between the clamping blocks and the pin guide seat, a material pressing sub-groove is formed in each clamping block and is combined into a second channel, and the first channel is communicated with the second channel. The pressing sub-groove is positioned below the rotating shaft, and the elastic piece is positioned above the rotating shaft; the clamping block is provided with a first guide surface which is obliquely arranged; the pin guide seat is provided with a positioning groove, the clamping block is provided with a first pressing surface, and the bottom wall of the positioning groove is a second pressing surface matched with the first pressing surface; the pin guide seat is provided with a limiting guide groove matched with the clamping block, and the clamping block is connected with the inner wall of the limiting guide groove in a sliding manner; the aperture of the first channel is larger than that of the second channel, the elastic piece is a spring, and a compression space for compressing the spring is formed between the clamping block and the pin guide seat; the first pressing surface and the second pressing surface are used as abutting points to keep the reset state of the clamping block, so that the second channel is formed smoothly after the clamping block is reset; the limiting guide groove limits the front and back of the clamping block, prevents the clamping block from moving forwards and backwards in the swinging process, guides the swinging direction of the clamping block, and prevents the swinging direction of the clamping block from deflecting. The swing of the clamping blocks is limited from the longitudinal direction and the horizontal direction, so that the clamping blocks are favorably and accurately folded to form a second channel; when the pin promoted to the department of contacting mutually with pin clamping device, pin clamping device compressed tightly the pin, and the pin is accurate with the locating hole counterpoint on the centre gripping tool, does benefit to the pin and passes the knot body, detain head and torsional spring, improves pin male precision.

Preferably, the needle guiding device comprises a needle, a needle moving cylinder for driving the needle to move up and down, and a needle rotating motor for driving the needle to rotate around the central axis of the needle, the needle is arranged opposite to the first channel in the pin pressing-in device, the needle is connected with the needle moving cylinder for controlling the needle to advance and retreat towards the direction of the first channel, the needle is connected with the needle rotating motor, a transmission seat is arranged on the needle rotating motor, and the needle is arranged on the transmission seat. The guide needle rotating motor drives the guide needle to rotate, the guide needle moving cylinder controls the guide needle to be pushed towards the first channel, the guide needle moves upwards in a rotating state and penetrates through the through holes in the buckle body, the buckle head and the torsion spring respectively, and the guide needle moves downwards along with the pin to guide the pin to penetrate through the through holes in the buckle body, the buckle head and the torsion spring. The needle guiding device is fixed on the base and is positioned right below the positioning hole of the clamping jig.

Preferably, a first force application cam for applying force to the buckle positioning seat to enable the buckle positioning seat to swing is arranged in a torsion spring feeding station on the rack, a roller for abutting against the first force application cam is arranged on the buckle positioning seat, the buckle positioning seat swings between an open position and a closed position under the action of the first force application cam, and in the closed position, the torsion spring transfer arm transfers the torsion spring to the position where the pin penetrates through the buckle body, the buckle head and the torsion spring.

Preferably, the pin riveting mechanism comprises a pin pressing device for pressing the upper end part of the pin to prevent the pin from moving upwards and a pin stamping device for stamping the lower end part of the pin to deform the pin so as to rivet the button body, the button head and the torsion spring; the pin riveting mechanism is arranged on the base station and is arranged at the edge of the indexing turntable, wherein a riveting punch of the pin riveting mechanism is in matched abutting connection with one end of a pin in a positioning hole of the clamping jig when acting; the pin jacking device comprises a riveting pressure rod and a mechanical driving device, and the pin stamping device comprises a riveting stamping rod and a pneumatic driving device; in the pin riveting process of the pin riveting mechanism, the clamping jig is in a folding state, so that the riveting effect is prevented from being influenced by the left-right shaking of the hook component.

Preferably, the tail part of the hook is also connected with a bell jar, a bell jar assembling station is arranged on the frame, and the bell jar assembling station comprises a bell jar feeding mechanism, a bell jar riveting device and a hook fixing mechanism.

Preferably, the hook fastening mechanism includes a second force application cam located in the bell jar assembling station, the second force application cam applies force to the button head positioning seat to enable the button head positioning seat to swing between an open position and a closed position, in the closed position, the bell jar feeding mechanism pushes the bell jar to the bell jar connecting portion at the tail portion of the hook, and the bell jar riveting device presses the bell jar connecting portion to rivet the bell jar.

Preferably, the clasp fixing mechanism further comprises a clasp spacing device which comprises a clasp spacing rod and a clasp spacing cylinder, wherein the clasp spacing rod can abut against the inner side of the clasp to prevent the clasp from moving inwards when the bell jar is riveted, and the clasp spacing cylinder drives the clasp spacing rod to move up and down. The buckle limiting device is arranged on the base station, and when the buckle limiting device is fixed and limited, the hook buckle limiting rod extends into a cavity of the hook buckle and abuts against the limiting position, so that the hook buckle is prevented from shaking forwards and backwards, and the hook buckle is prevented from deforming due to the impact of the bell cover stamping rod when the bell cover is riveted.

Preferably, the bell jar feeding mechanism comprises a bell jar resetting device and a bell jar pushing device; the bell jar reset device is used for resetting a bell jar into an ordered state and comprises a bell jar vibrating disk and a bell jar reset guide rail, wherein the bell jar vibrating disk is cylindrical, one end of the bell jar vibrating disk is provided with a bottom plate, the other end of the bell jar vibrating disk is open, and the bottom plate of the bell jar vibrating disk is connected with the vibrating device; the bell jar pushing device is used for pushing a bell jar falling into the bell jar feeding channel from the bell jar reset guide rail through the blanking port to a bell jar connecting part at the tail part of a hook buckle clamped by the clamping jig on the indexing turntable, and comprises a bell jar feeding channel, a bell jar feeding tongue for pushing the bell jar to move in the bell jar feeding channel and a bell jar feeding cylinder for driving the bell jar feeding tongue to move; a blanking port is arranged at the joint of the bell jar feeding channel and the bell jar reset guide rail so that the bell jar falls into the bell jar feeding channel from the bell jar reset guide rail; the bell jar riveting device comprises a bell jar punching rod and a bell jar punching cylinder for driving a bell jar punching head to move; the bell jar stamping rod is arranged in a round pipe of the bell jar feeding tongue, the bell jar stamping rod and the bell jar feeding tongue can move relatively, the bell jar stamping rod is driven by a bell jar stamping cylinder, the bell jar feeding tongue is driven by a bell jar feeding cylinder, the bell jar stamping rod stamps a bell jar connecting part extending into the bell jar on the hook buckle under the driving of the bell jar stamping cylinder to rivet the bell jar under the state that the hook buckle is fixed and the bell jar is pressed on the hook buckle by the bell jar feeding tongue, and at the moment, the stamping head of the bell jar stamping rod just reaches the maximum extending displacement.

The fixation of the double-phase hook in the bell jar assembling station strengthens the one-time riveting of the bell jar on the hook, the assembly of the last part of the hook is completed, then the clamping jig rotates along with the indexing turntable and enters the finished product taking station, when the clamping jig is in an open state, the hook leaves the clamping jig under the action of the pneumatic finger device and enters the finished product collector, and the whole hook assembling process is further completed.

Due to the adoption of the technical scheme, compared with the prior art, the invention has the following beneficial effects: the invention has high automation degree, improves the working efficiency, reduces the cost, and has high practical value due to the novel hook design and the novel automatic hook assembly equipment.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below, and it is apparent that the drawings in the following description only relate to some embodiments of the present invention and are not limiting on the present invention.

FIG. 1 is a front view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a perspective view of a clasp of the present invention that is self-assembling;

FIG. 4 is an exploded view of a clasp of the present invention automatically assembled;

FIG. 5 is a perspective view of the torsion spring loading mechanism of the present invention;

FIG. 6 is another perspective view of the torsion spring feed mechanism of the present invention;

FIG. 7 is a partial view of the torsion spring feed mechanism of the present invention;

FIG. 8 is another partial view of the torsion spring feed mechanism of the present invention;

FIG. 9 is a cross-sectional view of a torsion spring feed channel provided by the present invention;

FIG. 10 is a perspective view of a torsion spring provided by the present invention;

FIG. 11 shows the open/close state of the clamping fixture provided by the present invention at each station;

fig. 12 is a perspective view and an exploded view of the open state of the clamping jig provided by the present invention;

fig. 13 is a perspective view of the clamping jig provided by the present invention in a closed state;

FIG. 14 is a perspective view of a button loading mechanism provided by the present invention;

FIG. 15 is another perspective view of the buckle feed mechanism provided by the present invention;

FIG. 16 is a perspective view of the buckle feed tongue;

FIG. 17 is a perspective view of a clip loading mechanism provided by the present invention;

FIG. 18 is another perspective view of a clip loading mechanism provided by the present invention;

FIG. 19 is a perspective view of a cleat retainer rod;

FIG. 20 is a perspective view of the buckle feed tongue;

FIG. 21 is a perspective view of a pin loading mechanism provided by the present invention;

FIG. 22 is another perspective view of the pin loading mechanism;

FIG. 23 is a perspective view of a pin feed plate of the pin pushing device;

FIG. 24 is a top view of a pin feed plate of the pin pushing device;

FIG. 25 is a side view of a pin feed plate of the pin pushing device;

FIG. 26 is a disassembled view of a pin feed plate of the pin pusher;

fig. 27 is a perspective view of a pin guide of the pin press-in device from one perspective;

fig. 28 is a front view of a pin guide seat of the pin press-in device;

fig. 29 is a perspective view of a pin guide of the pin press-in device from one perspective with the pin holder removed;

fig. 30 is a perspective view of a pin guide of the pin press-in device from one perspective with the pin holder removed;

fig. 31 is a sectional view of a pin guide seat of the pin press-in device;

FIG. 32 is an enlarged view of the pin press-in device at FIG. 31-A;

fig. 33 is a perspective view of a double block of the pin press-in device;

FIG. 34 is a perspective view of a single clamp block of the pin press-in device;

FIG. 35 is a perspective view of a needle assembly provided by the present invention;

FIG. 36 is a perspective view of a pin staking mechanism;

FIG. 37 is another perspective view of the pin staking mechanism;

FIG. 38 is an exploded view of a pin press apparatus of the pin staking mechanism;

FIG. 39 is a perspective view of a bell jar assembly station;

FIG. 40 is a perspective view of a bell jar pusher and a bell jar riveter;

FIG. 41 is an exploded view of a bell jar pusher and a bell jar riveter;

FIG. 42 is a perspective view of the catch retainer;

FIG. 43 is another perspective view of the catch retainer;

fig. 44 is a perspective view of a product take off mechanism;

fig. 45 is a partial perspective view of a product take off mechanism;

fig. 46 is a side view of fig. 36 of the product take off mechanism;

fig. 47 is a top view of fig. 36 of the finished product take off mechanism;

FIG. 48 is a perspective view of a spring plate of the product take off mechanism;

reference numerals:

1. a frame; 2. a buckle body feeding mechanism; 3. a buckle head feeding mechanism; 4. a torsion spring feeding mechanism; 5. a pin feeding mechanism; 6. a pin riveting mechanism; 7. a bell jar assembly station; 8. a bell jar feeding mechanism; 9. a clasp fixing mechanism; 10. a finished product material taking mechanism; 11. a pin is pressed into the rod; 12. a first channel; 13. a pin clamping device; 14. a clamping block; 15. an elastic member; 16. a second channel; 17. a rotating shaft; 18. pressing and grooving; 19. a first guide surface; 20. a first compression surface; 21. a second compression surface; 22. compressing the space; 23. a limiting guide groove; 24. a pin guide seat; 25. indexing the rotary table; 26. clamping the jig; 27. the pin is pressed into the cylinder; 28. leading a needle; 29. a needle moving cylinder; 30. a needle rotating motor; 32. the pin jacking device; 33. a pin stamping device; 34. a bell jar arrangement device; 35. a bell jar pusher; 36. a bell jar vibratory pan; 37. the bell jar is arranged in the guide rail; 38. a pin feeding plate; 39. a feed hole; 40. a pin feeding cylinder; 41. a base; 42. a wear-resistant portion; 43. a groove; 44. mounting grooves; 45. a bell jar feed channel; 46. a detection channel; 47. hooking and buckling; 48. a cavity; 49. a buckle body; 50. buckling a head; 51. limiting the position; 52. a pin; 53. a bell jar; 54. a torsion spring; 55. connecting through holes in a penetrating manner; 56. a bell jar riveting device; 57. a torsion spring arranging device; 58. a torsion spring transfer device; 59. a torsion spring pushing device; 60. the torsion spring vibration disc 61 and the torsion spring are arranged in the guide rail; 62. a torsion spring transfer arm; 63. a torsion spring vertically moves the cylinder; 64. the torsion spring transversely moves the cylinder; 65. a torsion spring holding portion; 66. a torsion spring feeding channel; 67. a torsion spring feeding tongue; 68. a torsion spring feeding cylinder; 69. a first spring arm; 70. a torsion spring ring body; 71. a second torsion spring arm; 72. a base station; 73. a support table; 74. a buckle body positioning seat; 75. a buckle positioning seat; 76. a return spring; 77. a force application cam; 78. a first extension groove; 79. a second extension groove; 80. a torsion spring accommodating groove; 81. a buckle body accommodating groove; 82. a top end limiting surface; 83. a buckle head accommodating groove; 84. a cover plate; 85. a buckle body upper plate; 86. a base plate; 87. buckling the upper plate; 88. a spring pin; 89. a pin; 90. a force application pin; 92. a roller pin; 93. a roller; 94. the inner side surface of the upper plate of the buckle body; 95. a buckle body arranging device; 96. a buckle body pushing device; 97. a buckle body vibration disk; 98. the buckle body is arranged in the guide rail; 99. a button body feeding channel; 100. the buckle body is provided with a feeding tongue; 101. a buckle body feeding cylinder; 102. a buckle head arranging device; 103. a buckle pushing device; 104. riveting the pressure lever; 105. riveting the punch; 107. a mechanical drive device; 108. a pneumatic drive; 110. a drive block; 111. a transverse driving cylinder; 112. a wedge-shaped surface; 113. a sliding through groove; 114. a pin stamping cylinder; 115. punching a lever; 116. a sliding seat; 117. a second return spring; 118. a first clamping finger; 119. a second clamping finger; 120. a drive assembly; 121. a material taking sliding seat; 122. a material taking fixing seat; 123. a bell jar feeding tongue; 124. a clamping space; 125. a spring plate; 126. a side spring plate; 127. an intermediate connecting sheet; 128. a fixing sheet; 129. a fixing pin; 130. a buckle head limiting device; 131. a buckle head vibrating disk; 132. the buckle is arranged in the guide rail; 133. a buckle feeding channel; 134. the buckle head material feeding tongue; 135. a buckle head feeding cylinder; 136. a buckle head limiting rod; 137. a buckle head limiting cylinder; 138. a pin arranging device; 139. a pin pushing device; 140. a pin press-in device; 141. a needle guide device; 142. a pin vibrating disk; 143. the pin is arranged in the guide rail; 144. a pin feeding channel; 145. a bell jar feeding cylinder; 146. a finished product taking cylinder; 147. a bell jar plunger; 148. a bell jar stamping cylinder; 149. a hook buckle limit rod; 150. a hook limiting cylinder; 151. positioning a groove; 152. a button body feeding station; 153. a button feeding station; 154. a torsion spring feeding and pin feeding station; 155. riveting the pins; 156. and a finished product taking station.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and claims of this patent does not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a," "an," or "the" and similar referents do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprise" or "comprises", and the like, means that the element or item listed before "comprises" or "comprising" covers the element or item listed after "comprising" or "comprises" and its equivalents, and does not exclude other elements or items. "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are used only to indicate relative positional relationships that may change when the absolute position of an object being described is changed, and are merely for convenience in describing the invention and to simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Some embodiments of the invention are described in detail below with reference to the accompanying drawings. Features in the embodiments described below may be combined with each other without conflict.

Example (b):

referring to fig. 1 and 2, an automatic hook assembling device is used for assembling a hook 47 from a buckle body 49, a buckle head 50, a torsion spring 54, a pin 52 and a bell jar 53 shown in fig. 3 and 4, the buckle body 49, the buckle head 50 and the torsion spring 54 are all provided with a through hole 55 for the pin 52 to pass through, the automatic hook 47 assembling device includes a frame 1 and an index dial 25, the index dial 25 is provided with a plurality of clamping jigs 26, the frame 1 is provided with a buckle body feeding mechanism 2, a buckle head feeding mechanism 3, a torsion spring feeding mechanism 4, a pin feeding mechanism 5, a pin riveting mechanism 6, a bell jar assembling station 7 and a finished product taking mechanism 10, and the bell jar assembling station 7 includes a bell jar feeding mechanism 8, a bell jar riveting device 56 and a hook fixing mechanism 9. The automatic assembly process of the automatic hook assembly equipment comprises the following steps: the button body feeding mechanism 2 controls the button bodies 49 to enter the corresponding clamping jigs 26 one by one, the clamping jigs 26 loaded with the button bodies 49 sequentially pass through the button head feeding mechanism 3 to enter the clamping jigs 26 for fixation, the torsion spring feeding mechanism 4 automatically inserts the torsion springs 54, the pin feeding mechanism 5 guides the inserted pins 52 through the guide pins 28, the pin riveting mechanism 6 rivets the pins 52, the bell jar feeding mechanism 8 is provided with the bell jar 53, the bell jar riveting device 56 rivets the bell jar 53 on the hook fasteners 47, and then the finished product taking mechanism 10 takes the hook fasteners 47 off from the clamping jigs 26 one by one to finish the discharging. The automatic assembling equipment of the hook buckle can completely realize automatic operation of the manual assembling mechanism of the hook buckle 47, can continuously produce, has high assembling efficiency of the hook buckle 47, has stable product quality and has high use value.

As shown in fig. 5-10, the torsion spring feeding mechanism 4 includes a torsion spring arranging device 57, a torsion spring pushing device 59, and a torsion spring transferring device 58, wherein the torsion spring arranging device 57 is used for arranging the torsion springs 54 in an ordered state, and includes a torsion spring vibrating disk 60 and a torsion spring arranging guide rail 61, the torsion spring vibrating disk 60 is cylindrical, one end of the torsion spring vibrating disk is provided with a bottom plate, and the other end of the torsion spring vibrating disk 60 is open, and the bottom plate of the torsion spring vibrating disk 60 is connected to the vibrating device; the torsion spring placing guide rail 61 is fixedly connected to the side cylindrical wall of the torsion spring vibration disk 60 in the embodiment, the torsion spring placing guide rail 61 can also be fixedly connected to the bottom plate of the torsion spring vibration disk 60, the bottom plate of the torsion spring vibration disk 60 can be flat, concave conical or concave semicircular, and when the bottom plate of the torsion spring vibration disk 60 is concave conical or concave semicircular, the opening fixedly connected with the torsion spring placing guide rail 61 is formed in the position, close to the outer edge, of the bottom plate at the lowest position of the inner cavity of the torsion spring vibration disk 60; when the bottom plate of the torsional spring vibration disc 60 is convex conical or convex semicircular, the opening fixedly connected with the torsional spring homing guide rail 61 is arranged at the center of the bottom plate at the lowest position of the inner cavity of the torsional spring vibration disc 60; the torsion spring homing guide rail 61 in the embodiment is in a strip shape with a curved shape, a closed cavity channel for the torsion springs to pass through in order is arranged inside the torsion spring homing guide rail 61, and the torsion spring homing guide rail 61 can also be a semi-open groove channel or a bracket structure rail type channel; the torsion spring vibration disc 60 is fixedly connected with one end of the torsion spring arrangement guide rail 61, and the other end of the torsion spring arrangement guide rail 61 is communicated with a torsion spring feeding channel 66 of the torsion spring pushing device 59. The torsion spring pushing device 59 is used for pushing the torsion spring 54 falling into the torsion spring feeding channel 66 from the torsion spring homing guide rail 61 through the blanking port to the torsion spring clamping part 65 of the torsion spring transferring device 58, and comprises a torsion spring feeding channel 66, a torsion spring feeding tongue 67 for pushing the torsion spring to move in the torsion spring feeding channel 66 and a torsion spring feeding cylinder 68 for driving the torsion spring feeding tongue 67 to move; as shown in fig. 9, the cross section of the torsion spring feeding passage 66 is formed by a first extension groove 78, a second extension groove 79 and a torsion spring receiving groove 80, and the torsion spring 54 shown in fig. 10 is formed by a first torsion arm 69, a second torsion arm 71 and a torsion spring ring body 70, i.e., the torsion spring ring body 70 of the torsion spring 54 passes through the torsion spring receiving groove 80 of the spring feeding passage 66, the first torsion arm 69 of the torsion spring 54 passes through the first extension groove 78 of the spring feeding passage 66, and the second torsion arm 71 of the torsion spring 54 passes through the second extension groove 79 of the spring feeding passage 66; a blanking port is arranged at the joint of the torsion spring feeding channel 66 and the torsion spring homing guide rail 61, so that the torsion spring can fall into the torsion spring feeding channel 66 from the torsion spring homing guide rail 61; the torsion spring feeding tongue 67 in this embodiment is made of square steel, and may be made of round steel or the like; the torsion spring feeding cylinder 68 is fixed on the base and drives the torsion spring feeding tongue 67 to move back and forth. The torsion spring transfer device 58 firstly transfers the torsion spring 54 to the cavity 48 between the buckle body 49 and the buckle head 50 through the torsion spring vertical moving cylinder 63 by aligning the torsion spring 54 with the spring feeding channel 66 in the torsion spring pushing device 59 from the upper part, and transfers the torsion spring 54 to the position where the pin 52 is connected with the buckle body 49, the buckle head 50 and the torsion spring 54 in a penetrating way through the torsion spring vertical moving cylinder 63 and then through the torsion spring horizontal moving cylinder 64, the torsion spring transfer device 58 comprises a torsion spring transfer arm 62, a torsion spring vertical moving cylinder 63 driving the torsion spring transfer arm 62 to vertically move and a torsion spring horizontal moving cylinder 64 driving the torsion spring transfer arm 62 to transversely move, and the torsion spring transfer arm 62 is provided with a torsion spring clamping part 65 for clamping the torsion spring 54 and enabling the torsion spring to be in a pre-tightening state; in this embodiment, the cross section of the torsion spring clamping portion 65 is consistent with the cross section structure of the spring feeding channel 66 through the cavity, wherein the first extending groove and the second extending groove of the torsion spring clamping portion 65 are shorter than the extending lengths of the first extending groove and the second extending groove of the spring feeding channel 66, so that the included angle between the first torsion spring arm 69 and the second torsion spring arm 71 of the torsion spring 54 is gradually reduced relative to the angle perpendicular to the torsion spring ring body 70 in the process of pushing the torsion spring 54 into the torsion spring clamping portion 65 by the torsion spring feeding tongue 67 of the torsion spring pushing device 59, and the elastic force formed by the opposite rotation of the first torsion spring arm 69 and the second torsion spring arm 71 acts on the inner cavity of the torsion spring clamping portion 65 as the clamping force to clamp the torsion spring; the cross section of the cavity of the torsion spring clamping portion 65 can also only remain in the torsion spring accommodating groove 80 relative to the cross section of the spring feeding channel 66 of the torsion spring pushing device 59, and the first extending groove 78 and the second extending groove 79 are removed, so that the included angle between the first torsion spring arm 69 and the second torsion spring arm 71 of the torsion spring 54 can be gradually reduced to the minimum included angle relative to the angle perpendicular to the torsion spring ring body 70 in the process that the torsion spring 54 is pushed to enter the torsion spring clamping portion 65 by the torsion spring feeding tongue 67 of the torsion spring pushing device 59, the larger the elastic force formed by the opposite rotation of the first torsion spring arm 69 and the second torsion spring arm 71 is, the larger the clamping force acting on the inner cavity of the torsion spring clamping portion 65 is, and the more stable the clamping torsion spring is; when the torsion spring 54 is pushed to enter the torsion spring clamping portion 65 and reach the set position through the torsion spring feeding tongue 67 of the torsion spring pushing device 59, the torsion spring feeding cylinder 68 driving the torsion spring feeding tongue 67 to move in the torsion spring pushing device 59 reaches the maximum stroke, and at this time, the torsion spring ring body 70 is exposed from the part of the through hole 55 in the torsion spring clamping portion 65 relative to the angle perpendicular to the torsion spring ring body 70, so that the guide needle 28 can pass through the through hole. In a word, in the torsion spring feeding mechanism, the torsion spring vibration plate 60 in the torsion spring storage device 57 firstly sends the torsion springs 54 into the torsion spring storage guide rail 61 one by one through vibration, then passes through the torsion spring pushing device 59, pushes the torsion springs 54 falling into the torsion spring feeding channel 66 from the torsion spring storage guide rail 61 through the blanking port to the torsion spring clamping portion 65 of the torsion spring transferring device 58 until the exposed parts of the torsion springs 54 on the torsion spring clamping portion 65 penetrate through the through holes 55 for the guide pins 28 to penetrate through, the torsion spring feeding channel 66 communicates with the torsion spring storage guide rail 61 and the torsion spring clamping portion 65, then the torsion spring transferring device 58 transfers the torsion springs 54 from the upper part to the position flush with the feeding spring channel 66 in the torsion spring pushing device 59 through the torsion spring vertical moving cylinder 63 to the cavity 48 between the buckle body 49 and the buckle head 50, and transfers the torsion springs 54 to the pin 52 to penetrate through the buckle body 49 through the torsion spring transverse moving cylinder 64, The through hole 55 for passing the button head 50 and the torsion spring 54, and the torsion spring holding portion 65 are provided on the torsion spring transfer arm 62, so that the process of the torsion spring feeding mechanism is completed, and the next process is performed.

The frame 1 on the automatic clasp assembling equipment comprises a base table 72 and a support table 73, wherein the support table 73 is in a disc shape and is positioned above the base table 72, and the base table 73 and the support table are fixedly connected through a plurality of fixed supports uniformly distributed on the edge of the support table 73; the base 72 and the support base 73 are provided with a rotatable index dial 25 in a space therebetween, the index dial 25 is driven to rotate intermittently by a driving mechanism provided below the index dial, and the driving mechanism of the index dial is provided on the base. The torsion spring feed mechanism 4 is provided on the support base 73.

As shown in fig. 11-13, the indexing turntable 25 is provided with a clamping fixture 26, the clamping fixture 26 includes a button positioning seat 74, a button positioning seat 75 and a return spring 76, the button positioning seat 75 can swing under the action of a force applying cam 77 and approach the button positioning seat 74 to clamp the button 49 and the button 50, and the return spring 76 is connected to the button positioning seat 75 to make the button positioning seat 75 far away from the button positioning seat 74 when the force applying cam 77 is lost. The holding jig 26 has two states: in the opened state and the closed state, when the button head 50 enters the button head positioning seat 75, the button head 50 swings under the action of the force application cam 77 and approaches the button body positioning seat 74 to clamp the button body 49 and the button head 50, the clamping jig 26 is in the closed state to clamp the button head 50, and the clamping jig 26 is in the opened state under the action of the return spring 76 in the process that the button head 50 enters the torsion spring feeding mechanism 4 along with the rotation of the indexing turntable 25.

A buckle body accommodating groove 81 for accommodating the buckle body 49 is formed in the buckle body positioning seat 74, and the buckle body accommodating groove 81 is provided with a top end limiting surface 82 which is abutted against the top end of the buckle body 49; the buckle positioning seat 74 includes a cover plate 84, a buckle upper plate 85, and a bottom plate 86, wherein the lower surface of the cover plate 84, the inner side surface 94 of the buckle upper plate, and the upper surface of the bottom plate form a buckle accommodating groove 81, and the top end limiting surface 82 is located on the buckle upper plate 85. The button head positioning seat 75 is provided therein with a button head accommodating groove 83 for accommodating the button head 50. The roller 93 and the roller pin 92 are arranged at one end of the button head positioning seat 75, one end of the return spring 76 is fixed on the button head upper plate 85 through the spring pin 88, the other end of the return spring 76 is fixed in the middle of the button head positioning seat 75 through the pin 89, and one end of the button head positioning seat 75 is fixed on the bottom plate 86 and the cover plate 84 through the force application pin 88. The button body positioning seat 74 in the clamping fixture 26 is fixed on the indexing turntable 25, the button body positioning seat 74 and the indexing turntable 25 cannot move relatively, the button head positioning seat 75 and the indexing turntable 25 are connected by a pin at one end, and the button head positioning seat 75 can rotate in a small range by taking the pin as a rotating shaft.

As shown in fig. 14-16, the button feeding mechanism 2 comprises a button placing device 95 and a button pushing device 96, the button placing device 95 is used for placing the buttons 49 in an ordered state, and comprises a button vibrating disk 97 and a button placing guide rail 98, the button vibrating disk 97 is cylindrical, one end of the button vibrating disk is provided with a bottom plate, the other end of the button vibrating disk is open, and the bottom plate of the button vibrating disk 97 is connected with the vibrating device; the buckle body homing guide rail 98 is fixedly connected to the side cylindrical wall of the buckle body vibration disc 97 in the embodiment, the buckle body homing guide rail 98 can also be fixedly connected to the bottom plate of the buckle body vibration disc 97, the bottom plate of the buckle body vibration disc 97 can be flat-bottom shaped, concave conical shaped and concave semicircular, when the bottom plate of the buckle body vibration disc 97 is concave conical shaped or concave semicircular, the opening fixedly connected with the buckle body homing guide rail 98 is arranged at the position, close to the outer edge, of the bottom plate at the lowest position of the inner cavity of the buckle body vibration disc 97; when the bottom plate of the buckle body vibration plate 97 is in a convex conical shape or a convex semicircular shape, the opening fixedly connected with the buckle body homing guide rail 98 is arranged at the center of the bottom plate at the lowest position of the inner cavity of the buckle body vibration plate 97; the buckle body homing guide rail 98 in this embodiment is a long strip with a curved shape, and a closed cavity channel for the buckle body to pass through in order is arranged inside, and the buckle body homing guide rail 98 can also be a semi-open groove channel or a bracket structure rail channel; the buckle body vibration plate 97 is fixedly connected with one end of the buckle body placing guide rail 98, and the other end of the buckle body placing guide rail 98 is communicated with a buckle body feeding channel 99 of the buckle body pushing device 96. The buckle body pushing device 96 is used for pushing the buckle body 49 falling into the buckle body feeding channel 99 from the buckle body placing guide rail 98 through the blanking port to the buckle body positioning seat 74 arranged in the clamping jig 26 on the indexing turntable 25, and comprises a buckle body feeding channel 99, a buckle body feeding tongue 100 for pushing the buckle body to move in the buckle body feeding channel 99 and a buckle body feeding cylinder 101 for driving the buckle body feeding tongue 100 to move; a blanking port is arranged at the joint of the button feeding channel 99 and the button body homing guide rail 98, so that the button body can fall into the button body feeding channel 99 from the button body homing guide rail 98; the buckle feeding tongue 100 in this embodiment is made of square steel, or may be made of round steel or the like; the buckle body feeding cylinder 101 is fixed on the base of the buckle body support and drives the buckle body feeding tongue 100 to move back and forth.

As shown in fig. 17-20, the button head feeding mechanism includes a button head arranging device 102, a button head pushing device 103 and a button head limiting device 130; the button head arranging device 102 is used for arranging the button head 50 in an ordered state and comprises a button head vibration disc 131 and a button head arranging guide rail 132, the button head vibration disc 131 is cylindrical, a bottom plate is arranged at one end of the button head vibration disc 131, one end of the button head vibration disc is open, and the bottom plate of the button head vibration disc 131 is connected with a vibration device; the button head placing guide rail 132 is fixedly connected to the side cylindrical wall of the button head vibration disk 131 in this embodiment, the button head placing guide rail 132 may also be fixedly connected to the bottom plate of the button head vibration disk 131, the bottom plate of the button head vibration disk 131 may be flat, concave conical, concave semicircular, when the bottom plate of the button head vibration disk 131 is concave conical or concave semicircular, the opening fixedly connected with the button head placing guide rail 132 is arranged at the outer edge of the bottom plate at the lowest position of the inner cavity of the button head vibration disk 131; when the bottom plate of the button head vibration disk 131 is convex conical or convex semicircular, the opening fixedly connected with the button head homing guide rail 132 is arranged at the center of the bottom plate at the lowest position of the inner cavity of the button head vibration disk 131; the buckle homing guide rail 132 in this embodiment is a long strip with a curved shape, and a closed cavity channel for the buckle to pass through in order is arranged inside, and the buckle homing guide rail 132 can also be a semi-open groove channel or a bracket structure rail channel; the button head vibration plate 131 is fixedly connected with one end of the button head placing guide rail 132, and the other end of the button head placing guide rail 132 is communicated with a button head feeding channel 133 of the button head pushing device 103. The buckle pushing device 103 is used for pushing the buckle 50 falling into the buckle feeding channel 133 from the buckle placing guide rail 132 through the blanking port to the buckle positioning seat 75 arranged in the clamping jig 26 on the indexing turntable 25, and comprises a buckle feeding channel 133, a buckle feeding tongue 134 for pushing the buckle 50 to move in the buckle feeding channel 133 and a buckle feeding cylinder 135 for driving the buckle feeding tongue 134 to move; a blanking port is arranged at the joint of the button feeding channel 133 and the button head homing guide rail 132, so that the button head falls into the button head feeding channel 133 from the button head homing guide rail 132; the buckle head feeding tongue 134 in this embodiment is made of square steel, or may be made of round steel or the like; the button feeding cylinder 135 is fixed to the base of the button bracket and drives the button feeding tongue 134 to move back and forth. The buckle limiting device 130 comprises a buckle limiting rod 136 and a buckle limiting cylinder 137 for driving the buckle limiting rod 136 to move up and down, the buckle limiting rod 136 moves up and down between a separation position and a limiting position 51, the buckle limiting rod 136 is pressed against a set position on the buckle at the limiting position 51 to limit a travel range of the buckle when the buckle is pushed by the buckle feeding tongue 134 so that the buckle is located at the preset position in the buckle accommodating groove 83, wherein the buckle limiting device 130 is located on the supporting table 73, and the buckle limiting rod 136 is inserted from above the cavity 48 of the hook buckle 47 and abuts against the limiting position 51 to prevent the buckle 50 from moving inwards.

As shown in fig. 2, the pin feeding mechanism 5 and the torsion spring feeding mechanism 4 are located at the same station, the pin feeding mechanism 5 is located outside the circumference of the index dial 25, and the torsion spring feeding mechanism 4 is located inside the circumference of the index dial 25.

As shown in fig. 21 and 22, the pin feeding mechanism 5 includes a pin arranging device 138, a pin pushing device 139, a pin pressing device 140, and a pin guiding device 141; the pin arranging device 138 arranges the pins 52 in an ordered state and comprises a pin vibrating disc 142 and a pin arranging guide rail 143, wherein the pin vibrating disc 142 is cylindrical, one end of the pin vibrating disc is provided with a bottom plate, the other end of the pin vibrating disc is open, and the bottom plate of the pin vibrating disc 142 is connected with the vibrating device; the pin placing guide rails 143 are fixedly connected to the side cylindrical walls of the pin vibration plate 142 in this embodiment, the pin placing guide rails 143 may also be fixedly connected to the bottom plate of the pin vibration plate 142, the bottom plate of the pin vibration plate 142 may be flat, or may be concave conical, or concave semicircular, when the bottom plate of the pin vibration plate 142 is concave conical or concave semicircular, the opening fixedly connected to the pin placing guide rails 143 is disposed at the bottom plate near the outer edge of the lowest portion of the inner cavity of the pin vibration plate 142; when the bottom plate of the pin vibration plate 142 is convex conical or convex semicircular, the opening fixedly connected with the pin arrangement guide rail 143 is arranged at the center of the bottom plate at the lowest position of the inner cavity of the pin vibration plate 142; in this embodiment, the pin placing guide rail 143 is a circular tube with a curved shape, and a closed tube cavity through which pins pass sequentially is formed inside the circular tube, and the pin placing guide rail 143 may also be a semi-open groove type channel or a support structure rail type channel; the pin vibrating disc 142 is fixedly connected with one end of a pin arranging guide rail 143, and the other end of the pin arranging guide rail 143 is communicated with a pin feeding channel 144 of the pin pushing device 139.

As shown in fig. 23 to 30, the pin pushing device 139 is used for pushing the pins delivered from the pin arranging guide 143 through the feeding hole 39 into the pin guide seat 24, the pin feeding plate 38 is connected to the pin feeding cylinder 40, the pin feeding plate 38 includes a base 41 and a wear-resistant portion 42, and the feeding hole 39 is formed in the wear-resistant portion 42 in whole or in part. The pin press-in rod 11 pushes the pin in the feeding hole 39 to the discharging end, and the pin feeding plate 38 moves back and forth under the action of the pin feeding cylinder 40. The wear-resistant part 42 is provided with a groove 43, one end of the groove 43 is communicated with the feeding hole 39, and the other end of the groove 43 is open. When the height of the wear-resistant part 42 is high, the pin press-in rod 11 is drawn out from the feeding hole 39, then the pin feeding air cylinder 40 pushes the pin feeding plate 38 to move, the height of the wear-resistant part 42 is high, the more time is required for drawing the pin press-in rod 11 out of the feeding hole 39, the groove 43 is formed in the wear-resistant part 42, the pin press-in rod 11 does not need to be drawn out completely when being drawn out of the feeding hole 39, but only needs to be drawn out to the position of the groove 43, and when the pin feeding plate 38 moves, the pin press-in rod 11 moves along the groove 43, so that the efficiency is improved. The other end of the recess 43 is open to facilitate the sliding out of the pin press-in shank 11. The base 41 is provided with a mounting groove 44, and the wear-resistant portion 42 is mounted in the mounting groove 44. The mounting groove 44 is a structure with a large inner end and a small outer end, the wear-resistant part 42 is matched with the mounting groove 44, and the structure with a large lower end and a small upper end prevents the wear-resistant part 42 from longitudinally slipping.

The pin press-in device 140 comprises a pin guide seat 24 and a pin press-in rod 11, the pin press-in rod 11 is connected with the pin press-in cylinder 27, the pin guide seat 24 is provided with a first channel 12, and the pin guide seat 24 is further provided with a pin clamping device 13. When the pin pressing-in lever 11 pushes the pin into contact with the pin holding means 13, the pin holding means 13 presses the pin so that the position of the pin in the horizontal direction is kept stable. The pin pushing device 139 sends the pin to the pin guide seat 24, the pin falls into the first channel 12, the first channel 12 temporarily stores the pin, the pin pressing cylinder 27 drives the pin pressing rod 11, the pin pressing rod 11 pushes the pin, the pin moves along the first channel 12, and when the pin pushes the pin to the pin clamping device 13, the pin clamping device 13 compresses the pin, so that the position of the pin in the horizontal direction is kept stable. The pin clamping device 13 comprises at least two clamping blocks 14, the clamping blocks 14 are rotatably connected with a pin guide seat 24, an elastic part 15 is arranged between the clamping blocks 14 and the pin guide seat 24, a pressing sub-groove 18 is formed in each clamping block 14, the pressing sub-grooves 18 are combined into a second channel 16, and the first channel 12 is communicated with the second channel 16. The diameter of the second channel 16 is smaller than that of the pin, after the pin is pressed into the second channel 16, the clamping block 14 presses the pin under the action of the elastic piece 15, the clamping block 14 is rotatably connected with the pin guide seat 24 through the rotating shaft 17, the material pressing sub-grooves 18 are located below the rotating shaft 17, the elastic piece 15 is located above the rotating shaft 17, the clamping blocks 14 are folded under the elastic action of the elastic piece 15, and the material pressing sub-grooves 18 on the clamping blocks 14 jointly enclose the second channel 16. The lower part of the pin abuts against the upper part of the second channel 16, the upper part of the second channel 16 is pressed by the pin, the clamping block 14 swings outwards by overcoming the elasticity of the elastic part 15, at the moment, the upper port of the second channel 16 becomes large, the lower end of the pin slides into the second channel 16, and the clamping block 14 can swing. After the pin enters the second channel 16, the upper part of the second channel 16 is not pressed by the lower part of the pin any more, the clamping block 14 is reset under the action of the elastic part 15, the second channel 16 is closed to form the second channel 16, and the clamping block 14 compresses the pin. The clamping piece 14 has a first guide surface 19, which first guide surface 19 is arranged obliquely, and the pin slides along the first guide surface 19 into the second channel 16 under the push of the pin press-in rod 11. The diameter of the second channel 16 is smaller than the diameter of the first channel 12 and the pin will be somewhat obstructed in the passage from the first channel 12 into the second channel 16, by providing the first guide surface 19 such that the lower part of the pin can slide along the first guide surface 19 into the second channel 16, the pin passing from the first channel 12 into the second channel 16.

The pin guide seat 24 is provided with a positioning groove 151 and a limiting guide groove 23, the clamping block 14 is provided with a first pressing surface 20, the bottom wall of the positioning groove 151 is a second pressing surface 21 matched with the first pressing surface 20, and the clamping block 14 is in sliding connection with the inner wall of the limiting guide groove 23. The positioning groove 151 positions the clamping block 14 in a swinging mode, and deflection of the swinging direction of the clamping block 14 is avoided, so that the clamping block 14 can be accurately clamped to form the second channel 16. The first pressing surface 20 and the second pressing surface 21 are jointed under the elastic force of the elastic piece 15, and the second channel 16 is formed when the first pressing surface 20 and the second pressing surface 21 are jointed. The first pressing surface 20 and the second pressing surface 21 serve as abutting points to maintain the reset state of the clamp block 14, so that the second passage 16 is smoothly formed after the reset of the clamp block 14. The limiting guide groove 23 has two functions, namely, limiting the front and back of the clamping block 14 to avoid the position of the clamping block 14 moving forward and backward in the swinging process, and guiding the swinging direction of the clamping block 14 to avoid the swinging direction of the clamping block 14 from deflecting. The lower tip of clamp splice 8 is fixed a position to constant head tank 151, and spacing guide way 23 leads the upper end part of clamp splice 14 and fixes a position, and the two combines to make clamp splice 14 can accurate clamping. The elastic part 15 is a spring, a compression space 22 for compressing the spring is formed between the clamping block 14 and the pin guide seat 24, the pin guide seat 24 is provided with a limiting groove 23 matched with the clamping block 14, and the two clamping blocks 14 are symmetrically arranged relative to the first channel 12. The compression space 22 facilitates the spring compression and the outward swinging of the clamping block 14, because the clamping block 14 is movable, the limiting groove 23 can prevent the clamping block 14 from moving back and forth in the swinging process to influence the formation of the second channel 16, and the swinging of the clamping block 14 on the inner wall of the limiting groove 23 has a guiding function.

As shown in fig. 35, the needle device includes a needle 28, a needle moving cylinder 29, and a needle rotating motor 30, the needle 28 is disposed opposite to the first passage 12 in the pin press-in device, the needle 28 is connected to the needle moving cylinder 29 for controlling the needle 28 to move in and out in the direction of the first passage 12, the needle 28 is connected to the needle rotating motor 30, a transmission base is disposed on the needle rotating motor 30, and the needle 28 is mounted on the transmission base. The guide needle rotating motor 30 drives the guide needle 28 to rotate, the guide needle moving cylinder 29 controls the guide needle 28 to advance towards the first channel 12, and the guide needle moves upwards in a rotating state to respectively penetrate through the through holes in the buckle body, the buckle head and the torsion spring and moves downwards along with the pin to guide the pin to penetrate through the through holes in the buckle body, the buckle head and the torsion spring. The needle guiding device is fixed on the base and is positioned right below the positioning hole of the clamping jig.

In short, at the pin loading station, the pin pushing device 139 pushes the pins into the pin pressing device 140, which includes the pin feeding plate 38 and the pin feeding cylinder driving the pin feeding plate 38 to move horizontally; the pin press-in device presses the pin to the position of the cross-connecting buckle body, the buckle head and the torsion spring from the pin positioning hole, and comprises a pin guide seat 24, a pin press-in rod 11 for pushing the pin to pass through the pin guide seat 24 and a pin press-in cylinder 27 for driving the pin press-in rod to move up and down, a first channel is formed in the pin guide seat 24, a pin guide device is arranged below the pin guide seat 24, and a pin clamping device 13 is further arranged on the pin guide seat 24. The pin clamping device 13 comprises at least two clamping blocks, the clamping blocks are rotatably connected with the pin guide seat 24, an elastic part 15 is arranged between the clamping blocks 14 and the pin guide seat 24, a pressing sub-groove 18 is formed in each clamping block 14, the pressing sub-grooves 18 are combined into a second channel, and the first channel is communicated with the second channel. The material pressing sub-groove 18 is positioned below the rotating shaft, and the elastic piece 15 is positioned above the rotating shaft; the clamping block 14 is provided with a first guide surface which is obliquely arranged; a positioning groove is formed in the pin guide seat 24, a first pressing surface is arranged on the clamping block 14, and the bottom wall of the positioning groove is a second pressing surface matched with the first pressing surface; the pin guide seat 24 is provided with a limit guide groove 23 matched with the clamping block 14, and the clamping block 14 is in sliding connection with the inner wall of the limit guide groove 23; the aperture of the first channel is larger than that of the second channel, the elastic piece 15 is a spring, and a compression space for compressing the spring is formed between the clamping block 14 and the pin guide seat 24; the first pressing surface and the second pressing surface are used as abutting points to keep the reset state of the clamping block 14, so that the second channel is formed smoothly after the clamping block 14 is reset; the limiting guide groove 23 limits the front and back of the clamping block 14, prevents the clamping block 14 from moving forward and backward in the swinging process, guides the swinging direction of the clamping block 14, and prevents the swinging direction of the clamping block 14 from deflecting. The swinging of the clamping blocks 14 is limited from the longitudinal direction and the horizontal direction, so that the clamping blocks 14 are favorably and accurately folded to form a second channel; when the pin promoted to the department of contacting with pin clamping device 13, pin clamping device 13 compressed tightly the pin, and the pin is accurate with the locating hole counterpoint on the centre gripping tool, does benefit to the pin and passes knot body, discount and torsional spring, improves the male precision of pin.

Automatic equipment of clasp, it is provided with the first application of force cam to detain head positioning seat 75 application of force so that its wobbling to lie in torsional spring material loading station 154 on its frame 1, be provided with the gyro wheel that is used for leaning on first application of force cam on detaining head positioning seat 75, detain head positioning seat 75 receive first application of force cam effect down at an open position and a position of closing up swing, at the position of closing up, torsional spring transfer arm 62 transfers the torsional spring to the position department that the pin cross-under detained body, detain head and torsional spring.

As shown in fig. 36 to 38, the pin caulking mechanism 6 includes a pin abutting means 32 for abutting an upper end portion of the pin to prevent upward movement thereof and a pin punching means 33 for punching a lower end portion of the pin to deform it to caulk the button body, the button head and the torsion spring. The pin riveting mechanism is arranged on the base station and is arranged at the edge of the indexing turntable, wherein the riveting punch 105 of the pin riveting mechanism is in matching butt joint with one end of a pin in the positioning hole of the clamping jig when moving. The pin pressing device 32 comprises a riveting pressing rod 104 and a mechanical driving device 107, the riveting pressing rod 104 is located at the upper portion of the clamping jig 26, the riveting pressing rod 104 is connected with the mechanical driving device 107, the mechanical driving device 107 drives the riveting pressing rod 104 to move towards the clamping jig 26, the riveting pressing rod 104 presses one end of a pin buckled in the clamping jig 26, the pin punching device 33 comprises a riveting punching rod 105 and a pneumatic driving device 108, the riveting punching rod 105 is located at the lower portion of the clamping jig 26, the riveting punching rod 105 is connected with the pneumatic driving device 108, the pneumatic driving device 108 drives the riveting punching rod 105 to move towards the clamping jig 26, and the riveting punching rod 105 presses the other end of the pin buckled in the clamping jig 26. The pin riveting mechanism 6 adopts a mechanical driving device 107 and a pneumatic driving device 108, and when the mechanical driving device 107 is driven, the riveting pressure lever 104 is in rigid contact with the mechanical driving device 107; when the pneumatic driving device 108 drives, the riveting punch 105 is driven to buffer the other end of the pin, so that the problem of excessive punching is avoided; in the pin riveting process of the pin riveting mechanism, the clamping jig is in a folding state, so that the riveting effect is prevented from being influenced by the left-right shaking of the hook component.

A first return spring (not shown in the figure) is arranged between the riveting pressing rod 104 and the machine frame 1, the first return spring has a spring force far away from the clamping fixture 26 to the riveting pressing rod 104, the mechanical driving device 107 comprises a driving block 110 and a transverse driving cylinder 111, the machine frame 1 is in sliding connection with the riveting pressing rod 104, the riveting pressing rod 104 abuts against the driving block 110 under the action of the first return spring, and the riveting pressing rod 104 overcomes the spring force to move towards the clamping fixture 26 relative to the machine frame 1 when the transverse driving cylinder 111 drives the driving block 110 to move. The transverse driving cylinder 111 drives the driving block 110 to transversely move, the driving block 110 drives the riveting pressing rod 104 to press downwards when moving, the rigid pressure of the driving block 110 is applied to the upper part of the riveting pressing rod 104 in the pressing process of the riveting pressing rod 104, the riveting pressing rod 104 is stable, and the force applied to the riveting pressing rod 104 in the upward stamping process is stable.

The driving block 110 has a wedge surface 112, the upper end of the riveting pressing rod 104 abuts against the wedge surface 112, and the riveting pressing rod 104 can slide along the wedge surface 112 and the riveting pressing rod 104 moves towards the clamping fixture 26 relative to the machine frame 1 during the sliding process. By adopting the wedge-shaped surface 112, the horizontal pushing of the transverse driving air cylinder 111 is changed into the movement of the longitudinal driving riveting pressure rod 104, and the pressure applied in the punching process of the riveting pressure rod 104 is directly and longitudinally transmitted to the driving block 110 without influencing the transverse driving air cylinder 111.

A sliding through groove 113 is formed in the rack 1, the sliding through groove 113 is matched with the riveting pressing rod 104, the riveting pressing rod 104 is arranged in the sliding through groove 113, the sliding through groove 113 is in sliding connection with the riveting pressing rod 104, the first reset spring is sleeved on the riveting pressing rod 104, one end of the first reset spring is connected with the rack 1, and the other end of the first reset spring is connected with the riveting pressing rod 104. The frame 1 is provided with a sliding through groove 113, and in the stamping process, the sliding through groove 113 has a guiding effect on the riveting pressing rod 104, so that the riveting pressing rod 104 can be accurately aligned with the pin in the pressing process.

The pneumatic driving device 108 comprises a pin punching cylinder 114 and a punching lever 115, wherein the pin punching cylinder 114 drives the riveting punch rod 105 to move towards the clamping jig 26. The non-end part of the punching lever 115 is hinged with the frame 1, one end of the punching lever 115 is abutted to the riveting punch bar 105, the other end of the punching lever 115 is hinged with the pin punching cylinder 114, and when the pneumatic driving device 108 drives the punching lever 115 to swing, the punching lever 115 drives the riveting punch bar 105 to move towards the direction of the clamping jig 26. The frame 1 is provided with a sliding seat 116, the riveting punch 105 is fixedly connected with the sliding seat 116, and one end of the punching lever 115 is abutted against the sliding seat 116. A second return spring 117 is arranged between the sliding seat 116 and the frame 1, and the second return spring 117 has a spring force to the sliding seat 116 in a direction away from the clamping fixture 26. The riveting punch 105 is fixed to the sliding seat 116, and the punching lever 115 longitudinally pushes the riveting punch 105 by pushing the sliding seat 116.

As shown in fig. 39-43, the tail of the hook 47 is further connected with a bell jar, the frame 1 is provided with a bell jar assembly station 7, and the bell jar assembly station 7 comprises a bell jar feeding mechanism 8, a bell jar riveting device 56 and a hook fixing mechanism 9; the bell jar feeding mechanism 8 comprises a bell jar resetting device 34 and a bell jar pushing device 35; the bell jar putting device 34 is used for putting bell jars in an ordered state and comprises a bell jar vibration disk 36 and a bell jar putting guide rail 37, the bell jar vibration disk 36 is cylindrical, one end of the bell jar vibration disk is provided with a bottom plate, the other end of the bell jar vibration disk is open, and the bottom plate of the bell jar vibration disk 36 is connected with a vibration device; the bell jar reset guide rail 37 is fixedly connected to the side cylindrical wall of the bell jar vibration disk 36 in the embodiment, the bell jar reset guide rail 37 can also be fixedly connected to the bottom plate of the bell jar vibration disk 36, the bottom plate of the bell jar vibration disk 36 can be flat, concave conical or concave semicircular, when the bottom plate of the bell jar vibration disk 36 is concave conical or concave semicircular, the opening fixedly connected with the bell jar reset guide rail 37 is arranged at the bottom plate at the lowest position of the inner cavity of the bell jar vibration disk 36, which is close to the outer edge; when the bottom plate of the bell jar vibration disk 36 is in a convex conical shape or a convex semicircular shape, the opening fixedly connected with the bell jar homing guide rail 37 is arranged at the center of the bottom plate at the lowest position of the inner cavity of the bell jar vibration disk 36; the bell jar placing guide rail 37 in this embodiment is a long strip with a curved shape, and a closed cavity channel for the bell jar to pass through in order is arranged inside the bell jar placing guide rail 37; the bell jar vibration plate 36 is fixedly connected with one end of the bell jar arrangement guide rail 37, and the other end of the bell jar arrangement guide rail 37 is communicated with a bell jar feeding channel 45 of the bell jar pushing device 35. The bell jar pushing device 35 is used for pushing a bell jar falling into the bell jar feeding channel 45 from the bell jar reset guide rail 37 through the blanking port to a bell jar connecting part at the tail part of the hook 47 clamped by the clamping jig 26 on the indexing turntable 25, and comprises the bell jar feeding channel 45, a bell jar feeding tongue 123 for pushing the bell jar to move in the bell jar feeding channel 45 and a bell jar feeding cylinder 145 for driving the bell jar feeding tongue 123 to move; a blanking port is arranged at the joint of the bell jar feeding channel 45 and the bell jar resetting guide rail 37, so that the bell jar falls into the bell jar feeding channel 45 from the bell jar resetting guide rail 37; the bell jar feeding tongue 123 in this embodiment is a circular tube, and the outer diameter of the circular tube is consistent with the outer diameter of the bell jar opening; the bell jar feeding cylinder 145 is fixed on the base, and the bell jar feeding cylinder 145 drives the bell jar feeding tongue 123 to move back and forth.

The bell jar riveting device 56 comprises a bell jar punching rod 147 and a bell jar punching cylinder 148 for driving the bell jar punching head to move; the bell jar punching rod 147 is arranged in the round pipe of the bell jar feeding tongue 123, and the bell jar punching rod 147 and the bell jar feeding tongue 123 can move relatively, wherein the bell jar punching rod 147 is driven by the bell jar punching cylinder 148, and the bell jar feeding tongue 123 is driven by the bell jar feeding cylinder 145. The outer diameter of the shank of the bell jar punch 147 is the same as the inner diameter of the bell jar, so that when the bell jar feeding tongue 123 pushes the bell jar against the hook end, the bell jar feed tongue 123 also serves to secure the bell jar against axial movement, the punch of the bell jar punch bar 147 is tapered, in the state that the clasp is fixed and in the state that the bell jar is pressed on the clasp by the bell jar feeding tongue 123, the bell jar pressing lever 147 is protruded into the bell jar coupling portion inside the bell jar at the driven lower pressing hook of the bell jar pressing cylinder 148 to rivet the bell jar, in the state that the clasp is fixed and in the state that the bell jar is pressed on the clasp by the bell jar feeding tongue 123, the bell jar pressing lever 147 presses the bell jar coupling portion of the hook, which is extended into the bell jar, to rivet the bell jar by being driven by the bell jar pressing cylinder 148, and at this time, and at the moment of completing the riveting of the bell jar, the stamping head of the bell jar stamping rod 147 just reaches the maximum extension displacement.

Before the bell jar riveting device 56 is started, the hook fastening mechanism 9 is started to operate and fix in place, in the bell jar assembly station 7, the hook fastening mechanism 9 comprises a second force application cam positioned in the bell jar assembly station, the second force application cam applies force to the button head positioning seat 75 to enable the button head positioning seat to swing between an open position and a closed position, in the closed position, the bell jar feeding mechanism 8 pushes the bell jar to the bell jar connecting part at the tail part of the hook, and the bell jar riveting device punches the bell jar connecting part to rivet the bell jar.

The clasp fixing mechanism further includes a clasp spacing device including a clasp spacing rod 149 which can abut against the inside of the clasp to prevent the clasp from moving inward when the bell jar is riveted, and a clasp spacing cylinder 150 which drives the clasp spacing rod 149 to move up and down. The buckle limiting device is arranged on the base, the hook buckle limiting rod 149 is of a square steel structure or a round steel structure, when the buckle limiting device is fixed and limited, the hook buckle limiting rod 149 extends into the cavity 48 of the hook buckle and abuts against the limiting position 51, and therefore the hook buckle is prevented from shaking back and forth and is prevented from being deformed due to the impact of the bell jar stamping rod 147 during riveting.

As shown in fig. 44 to 48, the finished product taking mechanism includes a first clamping finger 118 and a second clamping finger 119, both the first clamping finger 118 and the second clamping finger 119 are connected to a driving device 120 capable of driving the first clamping finger 118 and the second clamping finger 119 to clamp, the driving device 120 is fixed on a taking slide seat 121, the taking slide seat 121 is connected to a taking fixing seat 122 in a sliding manner, the taking slide seat 121 is connected to a finished product taking cylinder 146, a clamping space 124 is formed between the first clamping finger 118 and the second clamping finger 119, and the taking device further includes a spring plate 125.

Initially, the first clamping finger 118 and the second clamping finger 119 are in an open state, the finished product taking cylinder 146 drives the taking sliding seat 121 to move, the first clamping finger 118 and the second clamping finger 119 are driven to move towards the clamping jig 26, the driving device 120 drives the first clamping finger 118 and the second clamping finger 119 to be clamped, the hook 47 in the clamping jig 26 is clamped, the finished product taking cylinder 146 drives the taking sliding seat 121 to move in the opposite direction, the first clamping finger 1 and the second clamping finger 2 leave the clamping jig 26, the driving device 3 drives the first clamping finger 118 and the second clamping finger 119 to be separated, and the hook 47 falls into the collecting box.

The spring piece 125 is disposed at the side of the clamping space 124, when the first clamping finger 118 and the second clamping finger 119 clamp the hook 47 on the clamping fixture, because the hook 47 is fixed on the clamping fixture 26 at this time, the spring piece 125 at the side of the clamping space 124 swings outwards under the extrusion of the hook 47, the first clamping finger 118 and the second clamping finger 119 clamp the hook 47 and move backwards, the hook 47 is removed from the clamping fixture 26, then the first clamping finger 118 and the second clamping finger 119 are opened again, at this time, the spring piece 125 extrudes the hook 47, and the hook 47 is ejected from the clamping space 124 into the collection box. The spring plate 125 includes a side spring 126, the side spring 126 is located at a side of the clamping space 124, and the side spring 126 is disposed obliquely. A trumpet-shaped space is formed between the side elastic sheet 126 and the clamping space 124, so that the hooks can be conveniently collected, and after the hooks 47 enter the space, the side elastic sheet 126 can swing outwards along the hooks 47.

The spring plate 125 further includes a middle connecting piece 127 and a fixing piece 128, the side spring piece 126 is connected with the fixing piece 128 through the middle connecting piece 127, and the fixing piece 128 is located obliquely above the middle connecting piece 127. The fixing piece 128 and the side elastic piece 126 are respectively located on two sides of the clamping space 124, the middle connecting piece 127 is used for connecting the fixing piece and the side elastic piece, the hook buckle 47 is in the process of falling into the collecting box, and the middle connecting piece 127 plays a guiding role in preventing the hook buckle 47 from falling into the space between two fingers of a pneumatic finger.

The fixing plate 128 is connected to the driving device 120 by a fixing pin 129. The fixing plate 128 is provided with a through hole for the fixing pin 129 to pass through, and the through hole is in a strip shape and has a length larger than the diameter of the fixing pin 129. The fixing pin 129 presses the fixing plate 128, when the angle of the spring plate 125 needs to be adjusted, the fixing pin 129 is loosened to swing the spring plate 125, and when the front and rear positions of the spring plate 125 need to be adjusted, the fixing plate 128 is moved along the fixing pin 129.

As shown in fig. 11, in the process that the clamping jig 26 provided on the index dial 25 rotates along with the index dial 25, the clamping jig 26 is in the open-close state of each station section, that is, the clamping jig 26 has two states: an opening state and a closing state, that is, when the buckle head 50 enters the buckle head positioning seat 75, the buckle head 50 swings under the action of the force application cam 77 and approaches the buckle body positioning seat 74 to clamp the buckle body 49 and the buckle head 50, and the clamping jig 26 is in the closing state; so as to clamp the button head 50, and the clamping jig 26 is in an open state under the action of the return spring 76 when the button head 50 enters the torsion spring feeding mechanism 4 along with the rotation of the indexing turntable 25. The clamping jig 26 is in an open state at the buckle body feeding station 152, the buckle body enters the buckle body accommodating groove 81 of the buckle body positioning seat 74 on the clamping jig 26, and the outer surface of the top end of the buckle body in the entering direction is abutted against the top end limiting surface 82 in the buckle body accommodating groove 81; the front section of the clamping jig 26 at the button head feeding station 153 is in an open state, the button head enters a button head accommodating groove 83 of a button head positioning seat 75 on the clamping jig 26, the button head accommodating groove 83 is arranged on the side surface of the button head positioning seat 75, the button head positioning seat 75 swings along with the action of a force application cam 77, after the button head completely enters the button head accommodating groove 83 on the button head positioning seat 75, the button head positioning seat 75 gradually approaches to the button body positioning seat 74 along with the action of the force application cam 77, and in the process that the button head is simultaneously and gradually pressed into an inner cavity of the button body, a button head limiting rod 136 in a button head limiting device 130 is arranged in a cavity 48 formed by the button body and the button head and is abutted against a limiting position until the through holes of the button body and the button head are overlapped; the clamping jig 26 is in a folded state at the torsion spring feeding and pin feeding station 154, firstly the torsion spring enters the through-connection through hole 55 of the clamping jig 26 through the button head feeding mechanism 3, then the guide pin 28 passes through the through-connection through hole 55 through the guide pin device 141, and the pin 52 in the pin feeding mechanism 5 is guided to enter a set position of the through-connection through hole 55; the clamping jig 26 is in a closed state at the pin riveting station 155, so that the pin action is prevented from moving in the pin riveting process; the clamping jig 26 is in a closed state at the pin riveting station 155, so that the pin action is prevented from moving in the pin riveting process; the clamping jig 26 is in a closed state at the bell jar assembling station 7, the clamping jig 26 prevents the hook from shaking left and right when in the closed state, the hook is prevented from moving back and forth by the hook limiting device of the hook fixing mechanism, the fixation of the double hooks in the bell jar assembling station 7 strengthens the one-time riveting of the bell jar on the hook, and the assembly of the last part of the hook is completed; the holding jig 26 is in an open position at the product take off station 156 so that the clasp is moved away from the holding jig 26 by the pneumatic finger means into the product collector.

The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides an automatic equipment of knocker for assemble into the knocker with knot body (49), discount (50), torsional spring (54) and pin (52), all be equipped with cross-under through-hole (55) that supply pin (52) to pass on knot body (49), discount (50) and torsional spring (54), this automatic equipment of knocker includes frame (1) and graduation carousel (25), be provided with a plurality of centre gripping tool (26) on graduation carousel (25), just be provided with knot body feed mechanism (2), discount feed mechanism (3), torsional spring feed mechanism (4), pin feed mechanism (5), pin riveting mechanism (6) and finished product feed mechanism (10), its characterized in that on frame (1):

the torsion spring feeding mechanism (4) comprises a torsion spring resetting device (57), a torsion spring conveying device (58) and a torsion spring pushing device (59);

the torsion spring arrangement device (57) is used for arranging torsion springs in an ordered state and comprises a torsion spring vibration disc (60) and a torsion spring arrangement guide rail (61);

the torsion spring transfer device (58) firstly transfers a torsion spring (54) to a cavity (48) between the buckle body (49) and the buckle head (50) from the upper part, then transfers the torsion spring (54) to the positions of the buckle body (49), the buckle head (50) and the torsion spring (54) for the pin (52) to be connected in a penetrating way, the torsion spring transfer device (58) comprises a torsion spring transfer arm (62), a torsion spring vertical transfer cylinder (63) for driving the torsion spring transfer arm (62) to vertically move and a torsion spring horizontal transfer cylinder (64) for driving the torsion spring transfer arm (62) to transversely move, and the torsion spring transfer arm (62) is provided with a torsion spring clamping part (65) for clamping the torsion spring (54) and enabling the torsion spring to be in a pre-tightening state;

the torsion spring pushing device (59) is used for pushing the torsion spring (54) to the torsion spring clamping part (65) and comprises a torsion spring feeding channel (66), a torsion spring feeding tongue (67) for pushing the torsion spring (54) to move in the torsion spring feeding channel (66) and a torsion spring feeding air cylinder (68) for driving the torsion spring feeding tongue (67) to move;

the clamping jig (26) comprises a buckle body positioning seat (74), a buckle head positioning seat (75) and a return spring (76), the buckle head positioning seat (75) can swing under the action of a force application cam (77) and is close to the buckle body positioning seat (74) to clamp the buckle body (49) and the buckle head (50), and the return spring (76) is connected to the buckle head positioning seat (75) to enable the buckle head positioning seat (75) to be far away from the buckle body positioning seat (74) when the action of the force application cam (77) is lost.

2. The automated clasp assembly apparatus of claim 1, wherein: the machine frame (1) comprises a base (72) and a supporting platform (73), the supporting platform (73) is positioned above the base (72) and fixedly connected with the base, and the indexing turntable (25) is rotatably arranged in a gap between the base (72) and the supporting platform (73).

3. The automatic clasp assembling apparatus according to claim 1 or 2, wherein: the torsion spring feeding mechanism (4) is arranged on the support platform (73).

4. The automated clasp assembly apparatus of claim 1, wherein: a buckle body accommodating groove (81) for accommodating the buckle body (49) is formed in the buckle body positioning seat (74), and the buckle body accommodating groove (81) is provided with a top end limiting surface (82) which is abutted against the top end of the buckle body (49); the buckle head positioning seat (75) is internally provided with a buckle head accommodating groove (83) for accommodating the buckle head (50).

5. The automatic clasp assembling apparatus of claim 4, wherein: the buckle feeding mechanism (3) comprises a buckle resetting device (102), a buckle pushing device (103) and a buckle limiting device (130); the button head resetting device (102) resets the button head to an ordered state, and comprises a button head vibration disc (131) and a button head resetting guide rail (132); the buckle pushing device (103) pushes the buckle to the buckle accommodating groove (83), and comprises a buckle feeding channel (133), a buckle feeding tongue (134) for pushing the buckle to move in the buckle feeding channel (133) and a buckle feeding cylinder (135) for driving the buckle feeding tongue (134) to move; the buckle limiting device (130) comprises a buckle limiting rod (136) and a buckle limiting cylinder (137) for driving the buckle limiting rod (136) to move up and down, the buckle limiting rod (136) moves up and down between a separation position and a limiting position, and the limiting position (51) is used for limiting the moving range of the buckle (50) when the buckle (50) is pushed by the buckle feeding tongue (134) so that the buckle (50) is located at the preset position in the buckle accommodating groove (83).

6. The automated clasp assembly apparatus of claim 1, wherein: the pin feeding mechanism (5) and the torsional spring feeding mechanism (4) are located at the same station, the pin feeding mechanism (5) is located on the outer side of the circumference of the indexing turntable (25), and the torsional spring feeding mechanism (4) is located on the inner side of the circumference of the indexing turntable (25).

7. The automatic clasp assembling apparatus according to claim 1 or 6, wherein: the pin feeding mechanism (5) comprises a pin arranging device (138), a pin pushing device (139), a pin pressing device (140) and a pin guiding device (141); the pin arranging device (138) arranges the pins into an ordered state and comprises a pin vibrating disc (142) and a pin arranging guide rail (143); the pin pushing device (139) pushes the pins into the pin pressing device (140), the pin pushing device comprises a pin feeding plate (38) and a pin feeding cylinder (40) driving the pin feeding plate (38) to horizontally move, and pin positioning holes are formed in the pin feeding plate (38); the pin pressing device (140) presses the pin (52) from the pin positioning hole to the penetrating through hole (55) of the penetrating buckle body (49), the buckle head (50) and the torsion spring (54), and comprises a pin guide seat (24), a pin pressing rod (11) for pushing the pin (52) to move up and down through the pin guide seat (24) and a pin pressing cylinder (27) for driving the pin pressing rod (11) to move up and down.

8. The automated clasp assembly apparatus of claim 7, wherein: the needle guiding device (141) comprises a needle guiding (28), a needle guiding moving cylinder (29) for driving the needle guiding (28) to move up and down and a needle guiding rotating motor (30) for driving the needle guiding (28) to rotate around the central axis of the needle guiding moving cylinder, wherein the needle guiding (28) moves up under the rotating state and respectively penetrates through the buckle body (49), the buckle head (50) and the penetrating through hole (55) in the torsion spring (54), and moves down along with the pin (52) so as to guide the pin (52) to penetrate through the buckle body (49), the buckle head (50) and the penetrating through hole (55) in the torsion spring (54).

9. The automatic clasp assembling apparatus according to claim 1 or 6, wherein: a first force application cam for applying force to the buckle positioning seat (75) to enable the buckle positioning seat to swing is arranged in a torsion spring feeding station on the rack (1), and the buckle positioning seat (75)

The pin-joint buckle is characterized in that a roller (93) used for abutting against a first force application cam is arranged, the buckle head positioning seat (75) swings between an open position and a closed position under the action of the first force application cam, and the torsion spring transfer arm (62) transfers the torsion spring (54) to the position where the pin is connected with the buckle body, the buckle head and the torsion spring in a penetrating manner.

10. The automated clasp assembly apparatus of claim 1, wherein: the pin riveting mechanism (6) comprises a pin pressing device (32) for pressing the upper end part of the pin to prevent the pin from moving upwards and a pin stamping device (33) for stamping the lower end part of the pin to deform so as to rivet the buckle body (49), the buckle head (50) and the torsion spring (54).

11. The automated clasp assembly apparatus of claim 1, wherein: the tail part of the hook is also connected with a bell jar (53), a bell jar assembling station (7) is arranged on the rack (1), and the bell jar assembling station (7) comprises a bell jar feeding mechanism (8), a bell jar riveting device (56) and a hook fixing mechanism (9).

12. The automated clasp assembly apparatus of claim 11, wherein: the clasp fixing mechanism (9) comprises a second force application cam positioned in a bell jar assembling station, the second force application cam applies force to the clasp head positioning seat (75) to enable the clasp head positioning seat to swing between an opening position and a closing position, in the closing position, the bell jar feeding mechanism (8) pushes the bell jar to a bell jar connecting portion at the tail portion of the clasp, and the bell jar riveting device (56) punches the bell jar connecting portion to rivet the bell jar.

13. The automated clasp assembly apparatus of claim 12, wherein: the clasp fixing mechanism (9) further comprises a clasp limiting device, and the clasp limiting device comprises a clasp limiting rod (149) and a clasp limiting cylinder (150), wherein the clasp limiting rod can abut against the inner side of the clasp to prevent the clasp from moving inwards when the bell jar is riveted, and the clasp limiting cylinder (150) drives the clasp limiting rod to move up and down.

14. The automated clasp assembling apparatus according to claim 11, 12 or 13, wherein: the bell jar feeding mechanism (8) comprises a bell jar resetting device (34) and a bell jar pushing device (35);

wherein the bell jar arranging device (34) arranges the bell jar into an ordered state and comprises a bell jar vibrating disk (36) and a bell jar arranging guide rail (37);

the bell jar pushing device (35) comprises a bell jar feeding channel (45), a bell jar feeding tongue (123) for pushing a bell jar to move in the bell jar feeding channel (45), and a bell jar feeding cylinder (145) for driving the bell jar feeding tongue (123) to move;

the bell jar to be assembled is sent into a bell jar feeding channel (45) by the bell jar arranging guide rail (37), and the bell jar is pushed to a bell jar connecting part at the tail part of the hook buckle by a bell jar feeding tongue (123).

15. The automated clasp assembly apparatus of claim 11, wherein: the bell jar riveting device (56) comprises a bell jar punching rod (147) and a bell jar punching cylinder (148) for driving a bell jar punching head to move; when the hook is fixed and the bell jar is pressed on the hook by the bell jar feeding tongue (123), the bell jar pressing rod (147) presses the bell jar connecting part of the hook, which extends into the bell jar, under the driving of the bell jar pressing cylinder (148) to rivet the bell jar.