CN117620688A

CN117620688A - Screw assembling machine

Info

Publication number: CN117620688A
Application number: CN202410010744.5A
Authority: CN
Inventors: 邱士峰
Original assignee: Ningbo Ditai Plastic Co ltd
Current assignee: Ningbo Ditai Plastic Co ltd
Priority date: 2024-01-03
Filing date: 2024-01-03
Publication date: 2024-03-01

Abstract

The application relates to a screw rod kludge belongs to horticulture squirt processing equipment technical field, and it includes: the rotating disc mechanism comprises a rotating disc and a plurality of tool sleeves which are circumferentially and uniformly arranged on the rotating disc at intervals, and a rubber ring vibration feeding disc, a spring vibration feeding disc and a screw vibration feeding disc are circumferentially and sequentially arranged at intervals; the rubber ring feeding mechanism moves the rubber ring on the rubber ring vibration feeding disc into the tooling sleeve; the spring feeding mechanism is used for inserting a spring on the spring vibration feeding disc into the tool sleeve and assembling the spring with the rubber ring; the screw feeding mechanism is used for inserting the screw on the screw vibration feeding disc into the tool sleeve, and assembling the screw with the rubber ring and the spring; the pressing assembly is used for driving the screw rod positioned in the tooling sleeve to descend so that the rubber ring is sleeved on the screw rod in an interference manner; and the blanking mechanism clamps the assembled screw rod from the corresponding tooling sleeve and moves the screw rod to the outside of the rotating disc mechanism. This application has the effect that improves efficiency when screw rod equipment.

Description

Screw assembling machine

Technical Field

The application relates to the technical field of gardening water gun processing equipment, in particular to a screw rod assembling machine.

Background

The screw rod is an important part in the gardening water gun, one end integrated into one piece of screw rod has the spacing ring, and integrated into one piece has four protruding parts with the cooperation of other parts on the week lateral wall of spacing ring. In the production process of the gardening water gun, a spring is sleeved on the screw, a rubber ring is sleeved on the screw in an interference mode, the spring is located between the rubber ring and the limiting ring and is in a clamping mode, and finally the assembled screw is assembled with other parts in the gardening water gun.

In the related art, the screw is assembled manually by a worker. When a worker installs the rubber ring, the distance between the rubber ring and the limiting ring is difficult to control, so that the compression amount of the spring is uneven, and the quality of the gardening water gun is affected. Therefore, a procedure is added to accurately adjust the position of the rubber ring before the screw is assembled on the gardening water gun, and the efficiency of the screw during assembly is reduced.

Disclosure of Invention

In order to improve efficiency when screw rod equipment, this application provides a screw rod kludge, adopts following technical scheme:

a screw assembling machine comprising: the rotating disc mechanism comprises a rotating disc and a plurality of tool sleeves which are circumferentially and uniformly arranged on the rotating disc at intervals, and a rubber ring vibration feeding disc, a spring vibration feeding disc and a screw vibration feeding disc are circumferentially and sequentially arranged at intervals;

the rubber ring feeding mechanism comprises a rubber ring pushing assembly for separating a rubber ring from the rubber ring vibration feeding disc, a rubber ring clamping assembly for clamping the rubber ring on the rubber ring pushing assembly, and a rubber ring pushing assembly for moving the rubber ring on the rubber ring clamping assembly into the tooling sleeve;

the spring feeding mechanism is used for inserting the springs on the spring vibration feeding disc into the tool sleeve;

the screw feeding mechanism comprises a separation pushing assembly for separating the screws from the screw vibration feeding disc one by one, a screw clamping assembly for clamping the separated screws, and a screw pushing assembly for driving the screw clamping assembly to move so as to place the screws in the tool sleeve;

the pressing assembly is used for driving the screw rod positioned in the tooling sleeve to descend so that the rubber ring is sleeved on the screw rod in an interference manner;

and the blanking mechanism is used for clamping the assembled screw rod out of the corresponding tooling sleeve and moving the screw rod to the outside of the rotating disc mechanism.

In order to move the rubber ring in the rubber ring vibration feeding disc into the tooling sleeve and limit the rubber ring to the tooling sleeve, a limiting stop ring is arranged in the tooling sleeve, and the rubber ring is limited in the tooling sleeve through the limiting stop ring;

the rubber ring feeding mechanism further comprises a rubber ring lifting assembly which is connected with the rubber ring pushing assembly and used for driving the rubber ring clamping assembly to lift, the rubber ring lifting assembly comprises a rubber ring lifting plate connected with the rubber ring pushing assembly, the rubber ring clamping assembly comprises a small cylinder, the small cylinder is arranged in the middle of the small cylinder, the small cylinder is connected with the rubber ring pushing assembly, the small cylinder is arranged in the middle of the small cylinder, the small cylinder is connected with the rubber ring lifting assembly, the small cylinder is connected with the rubber ring pushing assembly, the small cylinder is arranged in the middle of the small cylinder, and a plurality of driving rods which are inserted into the small cylinder and used for driving the small cylinder to open the small cylinder are arranged on the telescopic rods of the small cylinder.

In order to make the rubber circle separate out so that rubber circle centre gripping subassembly removes it to the frock sleeve from rubber circle vibrations charging tray one by one, be provided with rubber circle ejection of compact track on the rubber circle vibrations charging tray, the rubber circle promotes the subassembly including being located rubber circle flitch and the drive of rubber circle flitch removal on the rubber circle ejection of compact track exit rubber circle feeding cylinder, the top of rubber circle flitch seted up with rubber circle ejection of compact track intercommunication and supply a rubber circle storage tank that the rubber circle got into, the tank bottom of rubber circle storage tank has been seted up and has been supplied a plurality of prop up arc blade male material loading through-hole.

In order to enable the spring to be sequentially fed into the tooling sleeve one by one and assembled with the rubber ring, the spring feeding mechanism comprises a spring feeding block, a spring conveying hose and a spring lifting cylinder, a spring channel for the spring to pass through and communicated with the tooling sleeve is formed in the top of the spring feeding block, one end of the spring conveying hose is communicated with the spring channel, the other end of the spring conveying hose is communicated with the spring vibration feeding disc, and the spring lifting cylinder is used for driving the spring feeding block to lift.

In order to enable the screw rods to be sequentially fed into the tool sleeve one by one and assembled with the springs and the rubber rings, a screw rod discharging track is arranged on the screw rod vibration feeding disc, and the separation pushing assembly comprises a supporting vertical plate, a screw rod pushing block which is slidably arranged on the supporting vertical plate, and a screw rod feeding cylinder which is connected to the supporting vertical plate and drives the screw rod pushing block to slide;

the screw rod pushing device comprises a screw rod pushing block, a screw rod discharging rail, a screw rod pushing block, a U-shaped butt joint groove, a limiting ring and a limiting ring, wherein the screw rod discharging rail is arranged on the supporting vertical plate, the screw rod discharging rail is communicated with the screw rod discharging rail for a screw rod to pass through, the screw rod pushing block is close to one side of the screw rod channel, the U-shaped butt joint groove is communicated with the screw rod channel, the U-shaped butt joint groove penetrates through the screw rod pushing block along the vertical direction, the limiting ring on the screw rod is in butt joint with the top of the pushing block, and the outer diameter of the limiting ring on the screw rod is larger than the groove diameter of the U-shaped butt joint groove.

In order to enable the screw rod to be inserted into the spring located in the tool sleeve, the screw rod feeding mechanism further comprises a screw rod lifting cylinder arranged on the screw rod pushing component and used for driving the screw rod clamping component to lift, the screw rod clamping component comprises a bearing lifting plate and a feeding clamping cylinder used for clamping the screw rod, the feeding clamping cylinder is arranged on the bearing lifting plate, and the bearing lifting plate is connected with the screw rod lifting cylinder.

Because the circumferential side wall of the screw limiting ring is provided with a plurality of convex parts, in order to enable the feeding clamping cylinder to stably clamp the screw, one end of the screw, which is away from the limiting ring, extends downwards to protrude out of the U-shaped butt joint groove, and the screw feeding mechanism further comprises an ejection assembly for driving the screw in the U-shaped butt joint groove to move upwards so as to enable the feeding clamping cylinder to clamp the lower part of the screw limiting ring;

the ejector assembly comprises a guide plate positioned below the screw pushing block and a driving block which is slidably arranged on the guide plate and drives the screw to move upwards, a guide inclined surface is arranged at the top of the guide plate, and the driving block slides on the guide inclined surface.

In order to drive the rubber ring to be sleeved at the position appointed by the screw rod, the pressing assembly comprises a connecting column positioned outside the rotating disc, a pressing cylinder arranged on the connecting column and a pressing column arranged on a pressing cylinder telescopic rod.

In order to take out assembled screw rod from the tool sleeve, the unloading mechanism comprises an unloading clamping cylinder clamped from the tool sleeve, an unloading lifting component for driving the unloading clamping cylinder to lift and a unloading pushing component for driving the unloading clamping cylinder to move away from the direction of the rotating disc.

In order to detect whether the rubber ring in the tooling sleeve is sleeved on the screw rod to complete assembly and automatically reject the rubber ring which is still positioned in the tooling sleeve and is not sleeved on the screw rod, a rubber ring resetting assembly for moving the rubber ring which is not sleeved on the screw rod to the rubber ring vibration feeding disc is arranged between the rubber ring feeding mechanism and the blanking mechanism;

the rubber ring resetting assembly comprises an air blowing pipe positioned below the rotating disc, an air pump for driving the air blowing pipe to blow air into the tooling sleeve, and a conveying pipeline for guiding the rubber ring into the rubber ring vibration feeding disc, wherein one end of the conveying pipeline, which is close to the rubber ring vibration feeding disc, faces the center of the rubber ring vibration feeding disc;

the detection hole is formed in the outer side wall of the tool sleeve, the detection hole penetrates through the tool sleeve, a photoelectric switch used for detecting whether a rubber ring exists in the tool sleeve or not is arranged between the conveying pipeline and the rubber ring clamping assembly, and light rays of the photoelectric switch penetrate through the detection hole.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the tool sleeve synchronously rotates along with the rotating disc, when the tool sleeve rotates to the position of the rubber ring vibration feeding disc, the rubber ring feeding mechanism moves rubber rings arranged on the rubber ring discharging track and is inserted into the tool sleeve, when the tool sleeve with the rubber rings rotates to the position of the spring vibration feeding disc, the spring feeding mechanism drives a spring to be inserted into the tool sleeve, then when the tool sleeve with the rubber rings and the spring rotates to the position of the screw vibration feeding disc, the screw feeding mechanism inserts the screw into the spring, then the pressing component can drive the screw inserted into the spring to descend by a specified distance so that the rubber rings can be sleeved on the screw in an interference mode, finally the assembled screw is separated from the tool sleeve through the discharging mechanism, the whole assembling process is more convenient, the moving distance of the pressing component is a fixed value, and therefore, the position of the rubber rings is almost not required to be adjusted later, and the screw assembling efficiency is improved;

2. if the rubber ring positioned on the rubber ring feeding plate is directly clamped by the clamping cylinder and is placed in the tool sleeve, the rubber ring is easy to deform into a strip shape, the content of the tool sleeve which is difficult to accurately place is easy to incline, the screw is difficult to accurately insert into the rubber ring, after a plurality of expansion arc sheets are inserted into the rubber ring, the driving rod moves to the deformation conical surface to drive the expansion arc sheets to be in an expansion state so as to slightly expand the rubber ring, the rubber ring still keeps a circular state, and further, the rubber ring can keep accurate concentricity with the tool sleeve after being placed in the tool sleeve, so that the screw is convenient to insert;

3. because the limit ring is arranged on the screw and the convex part is arranged on the limit ring, the direction of the convex part cannot be ensured when the screw is conveyed to the screw discharging track from the screw vibration feeding disc, if the feeding clamping cylinder directly clamps the position of the convex part, the screw is easy to incline under the action of the convex part and is not easy to accurately insert into the spring, so that the screw pushing block moves the screw and rises for a certain length under the action of the guide inclined plane, the feeding clamping cylinder clamps the screw below the limit ring, the stability of the clamped screw is improved, and in addition, in order to reduce the larger friction generated between the screw and the guide plate in the rising process, the driving block can support and move synchronously with the screw below the screw;

4. in the whole assembly process, if the rubber ring is not arranged on the screw rod in a sleeved mode but still is positioned in the tooling sleeve, when the corresponding tooling sleeve moves to the upper part of the air blowing pipe, the air blowing pipe blows air generated by the air pump to the inside of the tooling sleeve, the rubber ring is blown into the conveying pipeline under the action of strong air flow and reenters the rubber ring vibration feeding disc through the conveying pipeline, and secondly, as one end of the conveying pipeline, which is close to the rubber ring vibration feeding disc, is positioned at the center of the rubber ring vibration feeding disc, strong air flow also blows the rubber ring in the middle of the rubber ring vibration feeding disc to the periphery, and then the rubber ring is convenient to move to the rubber ring feeding track.

Drawings

Fig. 1 is a schematic view of an assembled screw in an embodiment of the present application.

Fig. 2 is a schematic diagram of the overall mechanism of the assembling machine in the embodiment of the present application.

Fig. 3 is a schematic diagram of the positional relationship of each mechanism in the embodiment of the present application.

Fig. 4 is a schematic diagram of the overall structure of the rotary disk mechanism in the embodiment of the present application.

Fig. 5 is a perspective cross-sectional view of a tooling sleeve in an embodiment of the present application.

Fig. 6 is a schematic diagram of the overall structure of the rubber ring feeding mechanism in the embodiment of the application.

FIG. 7 is a schematic view of a rubber ring clamping assembly in an embodiment of the present application.

Fig. 8 is an enlarged view of a portion a in fig. 7.

Fig. 9 is a schematic diagram of an overall structure of a spring feeding mechanism in an embodiment of the present application.

Fig. 10 is a schematic diagram of a matching relationship between a screw vibration feeding disc and a screw feeding mechanism in an embodiment of the present application.

Fig. 11 is an overall schematic diagram of a screw feeding mechanism after explosion of a separation pushing assembly in an embodiment of the application.

Fig. 12 is an exploded view of an ejector assembly in an embodiment of the present application.

Fig. 13 is a schematic diagram of a matching relationship between a pressing component and a blanking mechanism in an embodiment of the present application.

FIG. 14 is a schematic diagram of the mating relationship of the rubber ring reset assembly, rubber ring vibration loading plate and rotating disk in an embodiment of the present application.

Reference numerals illustrate: 1. a rotating disc mechanism; 11. vibrating the feeding disc by the rubber ring; 111. a rubber ring discharging rail; 12. vibrating the feeding disc by a spring; 121. a spring discharging rail; 13. vibrating the feeding disc by a screw; 131. a screw discharging rail; 14. a base station; 15. a driving motor; 16. rotating the disc; 17. a tooling sleeve; 171. a limit baffle ring; 172. a detection hole; 19. an optoelectronic switch; 191. fixing the support plate; 2. a rubber ring feeding mechanism; 21. a rubber ring pushing assembly; 211. a rubber ring feeding plate; 212. a rubber ring feeding cylinder; 213. a rubber ring storage tank; 22. a rubber ring clamping assembly; 221. opening the arc piece; 2211. a deformed conical surface; 222. a small cylinder; 223. a driving rod; 23. a rubber ring lifting assembly; 231. a rubber ring lifting cylinder; 232. a rubber ring lifting plate; 24. a rubber ring pushing assembly; 241. a first upright; 242. a first fixing plate; 243. a first slip plate; 245. a rubber ring pushing cylinder; 3. a spring feeding mechanism; 31. a second upright; 32. feeding a spring; 321. a spring channel; 33. a spring delivery hose; 34. a spring lifting cylinder; 35. the spring cuts off the cylinder; 36. a partition panel; 4. a screw feeding mechanism; 41. separating the pushing component; 411. supporting a vertical plate; 4111. a screw channel; 412. a screw pushing block; 4121. a U-shaped butt joint groove; 413. a screw feeding cylinder; 42. an ejection assembly; 421. a guide plate; 4211. a guide slope; 422. a driving block; 423. a linear guide rail; 424. a slide block; 425. a linkage baffle; 43. a screw clamping assembly; 431. supporting the lifting plate; 432. a feeding clamping cylinder; 44. a screw lifting cylinder; 45. a screw pushing assembly; 451. a third upright; 452. an extension plate; 453. a moving plate; 454. a screw pushing cylinder; 5. pressing down the assembly; 51. a connecting column; 52. a pressing cylinder; 53. pressing down a column; 6. a blanking mechanism; 61. a blanking clamping cylinder; 62. a blanking lifting assembly; 621. a blanking lifting plate; 622. a blanking lifting cylinder; 63. a blanking pushing component; 631. a fourth upright; 632. a mounting plate; 633. a horizontal slip plate; 634. a blanking pushing cylinder; 64. a guide plate; 7. a rubber ring resetting assembly; 71. an air blowing pipe; 72. an air pump; 73. a delivery conduit; 74. and (5) supporting the upright post.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-14.

Referring to fig. 1, the screw includes a thick rod portion and a thin rod portion, the thick rod portion is located at one end of the thin rod portion, an outer diameter of the thick rod portion is larger than an outer diameter of the thin rod portion, and the thick rod portion and the thin rod portion are integrally formed. One side of thick pole portion deviates from thin pole portion integrated into one piece has the spacing ring, and the external diameter of spacing ring is greater than the external diameter of thick pole portion, and integrated into one piece has four convex parts on the periphery wall of spacing ring, and four convex parts are evenly spaced apart on the spacing ring circumference. The thick rod part is assembled and sleeved with a spring, the interference sleeve is sleeved with a rubber ring, and one end of the spring is abutted against the limiting ring; the other end is abutted against the rubber ring to be clamped.

The embodiment of the application discloses a screw rod kludge. Referring to fig. 2 and 3, the screw assembling machine includes a rotating disc mechanism 1, a rubber ring feeding mechanism 2, a spring feeding mechanism 3, a screw feeding mechanism 4, a pressing assembly 5, and a discharging mechanism 6. The rubber ring feeding mechanism 2, the spring feeding mechanism 3, the screw feeding mechanism 4, the pressing assembly 5 and the discharging mechanism 6 are arranged at intervals on the periphery of the rotating disc mechanism 1, and the rubber ring vibration feeding disc 11, the spring vibration feeding disc 12 and the screw vibration feeding disc 13 are further arranged at intervals on the periphery of the rotating disc mechanism 1. Along with the rotation of the rotating disc mechanism 1, the rubber ring feeding mechanism 2 moves the rubber ring on the rubber ring vibration feeding disc 11 to the rotating disc mechanism 1; the spring feeding mechanism 3 moves the spring on the spring vibration feeding disc 12 to the rotating disc mechanism 1 and is assembled with the rubber ring; the screw feeding mechanism 4 moves the screw on the screw vibration feeding disc 13 to the rotating disc mechanism and inserts the spring and the rubber ring; the screw rod is driven to move downwards by the pressing component 5, so that the rubber ring can be sleeved on the screw rod in an interference manner; finally, the blanking mechanism 6 clamps the assembled screw rod from the rotating disc mechanism 1 to finish blanking.

The rubber ring vibration feeding tray 11, the spring vibration feeding tray 12 and the screw vibration feeding tray 13 are all in the prior art, and specific detailed structures are not shown here in detail.

Referring to fig. 3 and 4 in combination with fig. 2, the rotary disk mechanism 1 includes a base 14, a drive motor 15, a rotary disk 16, and a tooling sleeve 17. The driving motor 15 is fixedly installed at the top of the base 14, the rotating disc 16 is installed on the motor shaft of the driving motor 15, and the rotating disc 16 rotates circumferentially under the action of the driving motor 15. The rubber ring feeding mechanism 2, the spring feeding mechanism 3, the screw feeding mechanism 4, the pressing assembly 5 and the discharging mechanism 6 are all arranged on the base 14 at intervals along the circumferential direction of the rotating disc 16. And the rubber ring vibration feeding tray 11, the spring vibration feeding tray 12 and the screw vibration feeding tray 13 are all positioned outside the base 14. The tooling sleeve 17 is arranged on the rotating disc 16 and sequentially passes through the rubber ring feeding mechanism 2, the spring feeding mechanism 3, the screw feeding mechanism 4, the pressing component 5 and the discharging mechanism 6 along with synchronous rotation of the rotating disc 16. The rubber ring, the spring and the screw are assembled in the tooling sleeve 17. Wherein, the tooling sleeves 17 are provided with a plurality of tooling sleeves 17, the structures of the plurality of tooling sleeves 17 are the same, and the plurality of tooling sleeves 17 are circumferentially and uniformly arranged on the rotating disc 16 at intervals, and a tooling sleeve 17 is taken as an example for illustration.

Referring to fig. 4 and 5, a mounting through hole is formed at the top of the rotating disc 16, and a tooling sleeve 17 is inserted into the mounting through hole and mounted on the rotating disc 16 by a bolt. The tooling sleeve 17 is a revolving body cylinder with two opposite ends being opened, the inside of the tooling sleeve 17 is integrally formed with a limiting baffle ring 171, and the inner diameter of the limiting baffle ring 171 is slightly larger than the inner diameter of the rubber ring but smaller than the outer diameter of the rubber ring, so that the rubber ring can be placed on the limiting baffle ring 171 and limited in the tooling sleeve 17.

Referring to fig. 2 and 6, a rubber ring discharging rail 111 is fixedly installed on the rubber ring vibration feeding tray 11, the rubber ring discharging rail 111 extends towards the direction of the rotating disc 16, and the rubber ring discharging rail 111 is full of rubber rings under the action of the rubber ring vibration feeding tray 11. The rubber ring feeding mechanism 2 comprises a rubber ring pushing assembly 21 for separating a rubber ring from a rubber ring vibration feeding disc 11, a rubber ring clamping assembly 22 for clamping the rubber ring on the rubber ring pushing assembly 21, a rubber ring lifting assembly 23 for driving the rubber ring clamping assembly 22 to lift, and a rubber ring pushing assembly 24 for driving the rubber ring lifting assembly 23 to move to the position above the tooling sleeve 17.

The rubber ring pushing assembly 21 is located outside the rotating disk 16 and is spaced apart from the rotating disk 16. The rubber ring pushing assembly 21 comprises a rubber ring feeding plate 211 positioned at the outlet of the rubber ring discharging rail 111 and a rubber ring feeding cylinder 212 for driving the rubber ring feeding plate 211 to move. The top of the base 14 is fixedly provided with a mounting column on which the cylinder body of the rubber ring feeding cylinder 212 is mounted. The rubber ring feeding plate 211 is fixedly arranged on a telescopic rod of the rubber ring feeding cylinder 212.

Referring to fig. 2 and 6, a rubber ring storage groove 213 which is communicated with the rubber ring discharging rail 111 and into which a rubber ring enters is formed at the top of the rubber ring feeding plate 211, and the storage groove is a U-shaped groove seen from the top. The tank bottom of the rubber ring storage tank 213 is provided with a feeding through hole, and the aperture of the feeding through hole is larger than the inner diameter of the rubber ring and smaller than the outer diameter of the rubber ring. During feeding, the rubber ring feeding cylinder 212 drives the rubber ring feeding plate 211 to move, at this time, the side wall of the rubber ring feeding plate 211 shields the opening of the rubber ring discharging rail 111, and the rubber ring on the rubber ring feeding plate 211 is moved to the lower part of the rubber ring clamping assembly 22.

The rubber ring pushing assembly 24 includes a first upright 241, a first fixing plate 242, a first sliding plate 243, and a rubber ring pushing cylinder 245. The first upright post 241 is mounted on the base 14 by bolts, the first fixing plate 242 is mounted on the upper side wall of the first upright post 241 by bolts, the rubber ring pushing cylinder 245 is fixedly mounted on the first fixing plate 242, and the first sliding plate 243 is mounted on the telescopic rod of the rubber ring pushing cylinder 245. The first sliding plate 243 slides reciprocally between the rubber ring feeding plate 211 and the tooling sleeve 17 under the action of the rubber ring pushing cylinder 245.

The rubber ring lifting assembly 23 includes a rubber ring lifting cylinder 231 and a rubber ring lifting plate 232. The rubber ring lifting cylinder 231 is fixedly mounted on the first sliding plate 243 and slides synchronously on the first sliding plate 243, and the rubber ring lifting plate 232 is fixedly connected with a telescopic rod of the rubber ring lifting cylinder 231.

Referring to fig. 7 and 8 in combination with fig. 6, the rubber ring clamping assembly 22 includes a spreading arc 221, a small cylinder 222, and a driving rod 223. The rubber ring lifting plate 232 is an L-shaped plate body, and the small cylinder 222 is mounted on a vertical plate of the rubber ring lifting plate 232. The driving rod 223 is fixedly installed on the telescopic rod of the small cylinder 222, and a penetrating hole for the driving rod 223 to penetrate is formed in the transverse plate of the rubber ring lifting plate 232. The expanding arc piece 221 is fixedly arranged at the bottom of the transverse plate of the rubber ring lifting plate 232, and a deformation conical surface 2211 is arranged in the expanding arc piece 221. In this embodiment, it is preferable that the three expansion arc pieces 221 are arranged, the three expansion arc pieces 221 are uniformly distributed at intervals in the circumferential direction with the through holes as the rotation center line, and the driving rod 223 is inserted into the three expansion arc pieces 221.

When clamping the rubber ring on the rubber ring feeding plate 211, the rubber ring lifting plate 232 moves downwards under the action of the rubber ring lifting cylinder 231, so that the three expanding arc pieces 221 are inserted into the feeding through holes, then the small cylinder 222 drives the driving rod 223 to descend, when the driving rod 223 moves to the position of the deformation conical surface 2211, the three expanding arc pieces 221 deform outwards, and then the rubber ring is sleeved on the three expanding arc pieces 221 in an interference mode. Then the rubber ring lifting cylinder 231 drives the rubber ring lifting plate 232 to lift, and the three supporting arc plates 221 are separated from the feeding through holes; the rubber ring pushing cylinder 245 drives the first sliding plate to move to the upper side of the corresponding tooling sleeve 17, the rubber ring lifting cylinder 231 descends and inserts into the tooling sleeve 17 again towards the three stretching arc pieces 221, the rubber ring is located on the limiting baffle ring 171, the small cylinder 222 drives the driving rod 223 to ascend, the three stretching arc pieces 221 reset under the action of deformation force of the driving rod to loosen the rubber ring, and finally the rubber ring lifting cylinder 231 drives the three stretching arc pieces 221 to ascend and separate from the tooling sleeve 17.

Referring to fig. 2 and 9, a spring discharging rail 121 is fixedly installed on the spring vibration loading tray 12, and the spring discharging rail 121 extends toward the direction of the rotating disc 16. The spring loading mechanism 3 comprises a second upright post 31, a spring loading block 32, a spring conveying hose 33, a spring lifting cylinder 34 and a spring isolating cylinder 35. The second upright 31 is mounted on the base 14 and located at one side of the spring vibration feeding tray 12, the spring lifting cylinder 34 is fixedly mounted on the second upright 31, and the spring feeding block 32 is mounted on a telescopic rod of the spring lifting cylinder 34 and moves in the vertical direction under the action of the spring lifting cylinder 34. The top of the spring feeding block 32 is provided with a spring channel 321 for the spring to pass through and be communicated with the tooling sleeve 17, one end of a spring conveying hose 33 is communicated with the spring channel 321, and the other end is communicated with a spring discharging track 121. The spring partition cylinder 35 is mounted on the outer side wall of the spring feeding block 32, the telescopic rod of the spring partition cylinder 35 is fixedly provided with a partition plate 36 which is inserted into the spring channel 321 to partition the spring channel 321, and the side wall of the spring feeding block 32 is provided with a sliding groove which is used for the partition plate 36 to be inserted into and communicated with the spring channel 321. The partition plate 36 will not partition the spring channel 321 during normal blanking of the spring.

Referring to fig. 2 and 9, during spring feeding, the spring lifting cylinder 34 drives the spring feeding block 32 to descend and attach to the tooling sleeve 17, the spring blocking cylinder 35 drives the blocking plate 36 to move without blocking the spring channel 321, and at this time, the spring located on the spring discharging track 121 enters the spring channel 321 via the spring conveying hose 33 and falls into the tooling sleeve 17. The spring blocking cylinder 35 drives the blocking plate 36 to move and insert into the spring channel 321 to block the spring channel 321, so that the rest of springs in the spring conveying hose 33 are not easy to fall into the tooling sleeve 17.

Referring to fig. 10 and 11, a screw discharging rail 131 is fixedly installed on the screw vibration feeding tray 13, the screw discharging rail 131 extends toward the rotating disc 16, a plurality of screws are arranged on the screw discharging rail 131 along the extending direction of the screw discharging rail 131, and the screws are suspended on the screw discharging rail 131 through a limiting ring. The screw feeding mechanism 4 comprises a separation pushing component 41, an ejection component 42, a screw clamping component 43, a screw lifting cylinder 44 and a screw pushing component 45, wherein the separation pushing component 41 is positioned at the outlet of the screw discharging track 131 and is used for separating screws from the screw discharging track 131 one by one, the ejection component 42 is used for driving the separated screws to ascend, the screw clamping component 43 is used for clamping the ejected screws, the screw lifting cylinder 44 is used for driving the clamping component to lift, and the screw pushing component 45 is used for driving the screw clamping component 43 to move to the upper part of the tool sleeve 17.

The separation pushing assembly 41 comprises a supporting vertical plate 411, a screw pushing block 412 and a screw feeding cylinder 413 connected to the supporting vertical plate 411 for driving the screw pushing block 412 to slide. The supporting riser 411 is located at the outlet of the screw discharging rail 131, and the supporting riser 411 is mounted on the base 14 by bolts. The screw pushing block 412 is located on the side of the support riser 411 facing away from the screw discharge rail 131. The screw feeding cylinder 413 is fixedly connected to the supporting riser 411 and drives the screw pushing block 412 to move in a horizontal direction perpendicular to the screw pushing assembly 45.

Referring to fig. 10 and 11, a screw passage 4111 communicating with the screw discharging rail 131 for the screw to pass through is provided at one side of the supporting riser 411 near the screw discharging rail 131. The side of the screw pushing block 412 near the screw channel 4111 is provided with a U-shaped docking groove 4121 communicated with the screw channel 4111, and the U-shaped docking groove 4121 penetrates the screw pushing block 412 along the vertical direction, i.e. the U-shaped docking groove 4121 is U-shaped in section when seen from the top, and the opening of the U-shaped docking groove 4121 faces the screw channel 4111. The external diameter of the limiting ring on the screw rod is larger than the groove diameter of the U-shaped butt joint groove 4121, when the screw rod is positioned in the U-shaped butt joint groove 4121, the limiting ring on the screw rod is abutted to the top of the screw rod pushing block 412, and one end of the screw rod, which is away from the limiting ring, protrudes out of the U-shaped butt joint groove 4121, namely, the thin rod part is completely exposed out of the U-shaped butt joint groove 4121. Because of the effect of the limiting rings on the screws, when the limiting rings on two adjacent screws are abutted together, the thick rod part of the screw is completely positioned in the U-shaped butt joint groove 4121.

When the screw feeding cylinder 413 drives the screw pushing block 412 to move, the U-shaped butt joint groove 4121 is staggered with the screw channel 4111, and at this time, the rest of the screw pushing block 412 blocks the screw channel 4111, so that the screw located on the screw discharging track 131 is not easy to move continuously. After the screw pushing block 412 is reset, the U-shaped docking slot 4121 is communicated with the screw channel 4111 for the next screw to enter the U-shaped docking slot 4121.

Referring to fig. 11 and 12 in combination with fig. 10, the ejector assembly 42 is located below the screw pushing block 412 and is used for driving the screw in the U-shaped docking slot 4121 to rise when the screw pushing block 412 drives the screw in the U-shaped docking slot 4121, so that the feeding clamping cylinder 432 clamps the lower portion of the screw limiting ring.

The ejection assembly 42 includes a guide plate 421 located below the screw pushing block 412, a driving block 422, a linear rail 423, and a slider 424. A guide slope 4211 is opened at the top of the guide plate 421, and the guide slope 4211 gradually slopes upward in a direction of sliding close to the screw clamping assembly 43 along the screw pushing block 412. The linear rail 423 is fixedly mounted on the guide slope 4211 of the guide plate 421 in an inclined manner, and the slider 424 is slidably mounted on the linear rail 423. The driving block 422 is mounted on the slider 424 by a bolt and slides synchronously with the slider 424, and the bottom of the screw rod is attached to and abutted against the driving block 422. The driving block 422 is welded with a linkage baffle 425, and the outer wall of the thin rod part on the screw rod is abutted against the linkage baffle 425. When the screw pushing block 412 pushes the screw to move, the screw will toggle the linkage baffle 425 to slide synchronously, so as to drive the slider 424 to slide on the linear guide rail 423. At the same time, the screw moves upward by the guide ramp 4211. After the screw is clamped by the screw clamp assembly 43, the linkage stop 425 will lose its restraint, and the slider 424 slides to the initial position under the force of gravity. In order to allow the slider 424 to stay at a designated position during the reset, a stopper plate is fixedly installed on the guide slope 4211 of the guide plate 421.

Referring to fig. 11 and 12 in combination with fig. 10, the screw clamping assembly 43 includes a supporting lifter 431 and a feeding clamping cylinder 432 for clamping the screw, the feeding clamping cylinder 432 is mounted on the supporting lifter 431, and the supporting lifter 431 is mounted on a telescopic rod of the screw lifter cylinder 44.

The screw pushing assembly 45 includes a third upright 451, an extension plate 452, a moving plate 453, and a screw pushing cylinder 454. The third stand column 451 is mounted on the base 14, the extension plate 452 is fixedly mounted on the third stand column 451, the screw pushing cylinder 454 is mounted on the extension plate 452, and the moving plate 453 is mounted on the telescopic rod of the screw pushing cylinder 454; the moving plate 453 reciprocates between the screw pushing block 412 and the tooling sleeve 17 by a screw pushing cylinder 454. The screw lifting cylinder 44 is mounted on the moving plate 453 and slides synchronously with the moving plate 453, so that the screw clamping cylinder is driven to clamp the screw and then can be inserted into the tool sleeve 17 and inserted into the spring.

Referring to fig. 13 and 14 in combination with fig. 2, the hold-down assembly 5 includes a connecting post 51, a hold-down cylinder 52, and a hold-down post 53. The connecting column 51 is located outside the rotating disc 16 and fixedly installed on the base 14, the lower pressing cylinder 52 is fixedly connected to the connecting column 51 through bolts, the lower pressing cylinder 53 is fixedly installed on a telescopic rod of the lower pressing cylinder 52, after the assembled screw moves to the lower side of the lower pressing cylinder 53, the lower pressing cylinder 52 drives the lower pressing cylinder 53 to move downwards to drive the screw to move downwards, and as the rubber ring is limited on the limiting stop ring 171, the screw is driven to be in interference fit with the thick rod part of the screw after being lowered.

The discharging mechanism 6 includes a discharging holding cylinder 61, a discharging lifting assembly 62 driving the discharging holding cylinder 61 to lift, and a discharging pushing assembly 63 driving the discharging holding cylinder 61 to move in a direction away from the rotary disk 16. The blanking pushing component 63 drives the blanking lifting component 62 to move to the position right above the working sleeve provided with the assembled screw rod, the blanking lifting component 62 drives the blanking clamping cylinder 61 to descend, and then the blanking clamping cylinder 61 clamps the assembled screw rod out of the tool sleeve 17. A guide plate 64 is provided below the discharge clamping cylinder 61, the guide plate 64 is located outside the rotary disk 16 and connected to the base 14, and the assembled screw is moved onto the guide plate 64 by the discharge clamping cylinder 61 and guided into the collection basket for collection.

Referring to fig. 13 and 14 in combination with fig. 2, the blanking pushing assembly 63 includes a fourth upright 631, a mounting plate 632, a horizontal sliding plate 633, and a blanking pushing cylinder 634. The fourth upright post 631 is mounted on the base 14, the mounting plate 632 is fixedly mounted on the fourth upright post 631, the blanking pushing cylinder 634 is mounted on the mounting plate 632, and the horizontal sliding plate 633 is mounted on the telescopic rod of the blanking pushing cylinder 634; the horizontal sliding plate 633 slides reciprocally between the upper side of the guide plate 64 and the upper side of the corresponding tooling sleeve 17 through the blanking pushing cylinder 634.

The discharging lifting component 62 comprises a discharging lifting plate 621 and a discharging lifting cylinder 622, the discharging clamping cylinder 61 is fixedly installed on the discharging lifting plate 621, the discharging lifting plate 621 is installed on a telescopic rod of the discharging lifting cylinder 622, and the discharging lifting cylinder 622 is installed on the horizontal sliding plate 633 and slides synchronously with the horizontal sliding plate 633.

A rubber ring reset assembly 7 for moving the rubber ring which is not sleeved on the screw rod into the rubber ring vibration feeding disc 11 is arranged between the rubber ring pushing assembly 24 and the blanking pushing assembly 63.

Referring to fig. 13 and 14 in combination with fig. 2, the rubber ring resetting assembly 7 comprises an air blowing pipe 71 positioned below the rotating disc 16, an air pump 72 for driving the air blowing pipe 71 to blow air into the tooling sleeve 17, and a conveying pipeline 73 for guiding the rubber ring into the rubber ring vibration feeding disc 11, wherein one end of the conveying pipeline 73, which is close to the rubber ring vibration feeding disc 11, faces the center of the rubber ring vibration feeding disc 11. A support column 74 is fixedly installed on the top of the base 14, and a conveying pipe 73 is installed on the support column 74 through a tie.

The outer side wall of the tooling sleeve 17 is provided with a detection hole 172, and the detection hole 172 penetrates through the tooling sleeve 17 and penetrates through the limiting stop ring 171. A photoelectric switch 19 for detecting whether a rubber ring exists in the tooling sleeve 17 is arranged between the conveying pipeline 73 and the rubber ring clamping assembly 22, light rays of the photoelectric switch 19 pass through the detection holes 172, a fixed support plate 191 is arranged on the base 14, and the photoelectric switch 19 is arranged on the fixed support plate 191.

The rubber ring at the detecting hole 172 is exposed, so that the light of the photoelectric switch 19 is blocked, and the program recognizes that the rubber ring still exists in the corresponding tooling sleeve 17 to send out an alarm and halt the operation of the equipment. In addition, it is the setting that has detection hole 172, and when the gas blowing pipe 71 blows to frock sleeve 17 in, the air current can be acted on the rubber circle of symmetry both sides exposed in detection hole 172 position department, and then more smoothly blow the rubber circle to pipeline 73 in.

The implementation principle of the screw assembling machine is as follows: the rotating disc 16 intermittently rotates on the base 14, the tooling sleeve 17 synchronously rotates along with the rotating disc 16, when the tooling sleeve 17 rotates to the position of the rubber ring vibration feeding disc 11, the rubber ring feeding mechanism 2 moves and inserts the rubber ring arranged on the rubber ring discharging track 111 into the tooling sleeve 17, and when the tooling sleeve 17 with the rubber ring rotates to the position of the spring vibration feeding disc 12, the spring feeding mechanism 3 drives a spring to be inserted into the tooling sleeve 17; then when the tooling sleeve 17 with the rubber ring and the spring rotates to the position of the screw vibration feeding disc 13, the screw feeding mechanism 4 inserts the screw into the spring; the pressing component 5 will then drive the screw inserted into the spring to descend by a specified distance so that the rubber ring can be arranged on the screw in an interference fit manner, and finally the assembled screw is separated from the tooling sleeve 17 through the blanking mechanism 6.

The screw pushing block 412 drives the screw to move, and the screw rises for a certain length under the action of the guiding inclined plane 4211, so that the feeding clamping cylinder 432 clamps the screw below the limiting ring, stability after clamping the screw is improved, and in addition, in order to reduce larger friction between the screw and the guiding plate 421 in the rising process, the driving block 422 can support the screw below and move synchronously with the screw.

In the whole assembly process, if the rubber ring is not sleeved on the screw rod in an interference manner but still positioned in the tooling sleeve 17, when the corresponding tooling sleeve 17 moves to the position above the air blowing pipe 71, the air blowing pipe 71 blows air generated by the air pump 72 to the inside of the tooling sleeve 17, the rubber ring is blown into the conveying pipeline 73 under the action of strong air flow and reenters the rubber ring vibration feeding tray 11 through the conveying pipeline 73, and secondly, because one end of the conveying pipeline 73, which is close to the rubber ring vibration feeding tray 11, is positioned at the center of the rubber ring vibration feeding tray 11, the strong air flow also blows the rubber ring in the middle of the rubber ring vibration feeding tray 11 to the periphery, so that the rubber ring is convenient to move to the rubber ring feeding track.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. A screw assembling machine, comprising: the rotating disc mechanism (1) comprises a rotating disc (16) and a plurality of tool sleeves (17) which are circumferentially and uniformly arranged on the rotating disc (16) at intervals, wherein rubber ring vibration feeding discs (11), spring vibration feeding discs (12) and screw vibration feeding discs (13) are circumferentially and sequentially arranged at intervals;

the rubber ring feeding mechanism (2) comprises a rubber ring pushing assembly (21) for separating a rubber ring from the rubber ring vibration feeding disc (11), a rubber ring clamping assembly (22) for clamping the rubber ring on the rubber ring pushing assembly (21), and a rubber ring pushing assembly (24) for moving the rubber ring on the rubber ring clamping assembly (22) into the tooling sleeve (17);

the spring feeding mechanism (3) is used for inserting the springs on the spring vibration feeding disc (12) into the tool sleeve (17);

the screw feeding mechanism (4) comprises a separation pushing assembly (41) for separating the screws from the screw vibration feeding disc (13) one by one, a screw clamping assembly (43) for clamping the separated screws, and a screw pushing assembly (45) for driving the screw clamping assembly (43) to move so as to place the screws in the tool sleeve (17);

the pressing assembly (5) is used for driving the screw rod positioned in the tooling sleeve (17) to descend so that the rubber ring is sleeved on the screw rod in an interference manner;

and the blanking mechanism (6) is used for clamping the assembled screw rod from the corresponding tooling sleeve (17) and moving the assembled screw rod to the outside of the rotating disc mechanism (1).

2. A screw assembling machine according to claim 1, wherein: a limiting baffle ring (171) is arranged in the tool sleeve (17), and the rubber ring is limited in the tool sleeve (17) through the limiting baffle ring (171);

rubber circle feed mechanism (2) still include with rubber circle pushing away subassembly (24) connect and be used for the drive rubber circle clamping assembly (22) go up and down rubber circle lifting assembly (23), rubber circle lifting assembly (23) include with rubber circle lifter plate (232) that rubber circle pushing away subassembly (24) are connected, rubber circle clamping assembly (22) including install in rubber circle lifter plate (232) bottom can insert inside opening arc piece (221) of rubber circle and drive opening arc piece (221) open in order to prop up small-size cylinder (222) of rubber circle, the inside of opening arc piece (221) is provided with deformation conical surface (2211), opening arc piece (221) circumference interval sets up a plurality ofly, install on the telescopic link of small-size cylinder (222) insert a plurality ofly opening arc piece (221) inside in order to drive a plurality of opening arc piece (221) open actuating lever (223).

3. A screw assembling machine according to claim 2, wherein: rubber circle vibrations charging tray (11) are last to be provided with rubber circle ejection of compact track (111), rubber circle promotes subassembly (21) including being located rubber circle loading board (211) and the drive of rubber circle exit of rubber circle ejection of compact track (111) rubber circle loading board (211) removal rubber circle feeding cylinder (212), rubber circle loading board (211) the top seted up with rubber circle ejection of compact track (111) intercommunication and supply rubber circle storage tank (213) that a rubber circle got into, the tank bottom of rubber circle storage tank (213) has seted up and has supplied a plurality of prop open arc piece (221) male material loading through-hole.

4. A screw assembling machine according to claim 1, wherein: the spring feeding mechanism (3) comprises a spring feeding block (32), a spring conveying hose (33) and a spring lifting cylinder (34), a spring channel (321) for a spring to pass through and communicated with the tool sleeve (17) is formed in the top of the spring feeding block (32), one end of the spring conveying hose (33) is communicated with the spring channel (321), the other end of the spring conveying hose is communicated with the spring vibration feeding disc (12), and the spring lifting cylinder (34) is used for driving the spring feeding block (32) to lift.

5. A screw assembling machine according to claim 1, wherein: the screw vibration feeding disc (13) is provided with a screw discharging track (131), and the separation pushing assembly (41) comprises a supporting vertical plate (411), a screw pushing block (412) which is slidably arranged on the supporting vertical plate (411) and a screw feeding cylinder (413) which is connected to the supporting vertical plate (411) and drives the screw pushing block (412) to slide;

offer on supporting riser (411) with screw rod ejection of compact track (131) intercommunication is in order to supply screw rod to pass screw rod passageway (4111), screw rod promotes piece (412) be close to one side of screw rod passageway (4111) offered with U type butt joint groove (4121) of screw rod passageway (4111) intercommunication, U type butt joint groove (4121) run through along vertical direction screw rod promotes piece (412), spacing ring butt on the screw rod in the top of promoting the piece and the external diameter of spacing ring on the screw rod is greater than the groove diameter of U type butt joint groove (4121).

6. A screw assembling machine according to claim 5, wherein: screw rod feed mechanism (4) still including install in screw rod pushing on subassembly (45) drive screw rod clamping assembly (43) go up and down screw rod lift cylinder (44), screw rod clamping assembly (43) are including bearing lifter plate (431) and go on material loading clamping cylinder (432) of centre gripping to the screw rod, material loading clamping cylinder (432) install in on bearing lifter plate (431), bearing lifter plate (431) with screw rod lift cylinder (44) are connected.

7. The screw assembling machine of claim 6, wherein: one end of the screw rod, which is away from the limiting ring, extends downwards to protrude out of the U-shaped butt joint groove (4121), and the screw rod feeding mechanism (4) further comprises an ejection assembly (42) which drives the screw rod positioned in the U-shaped butt joint groove (4121) to move upwards so that the feeding clamping cylinder (432) clamps the lower part of the screw rod limiting ring;

the ejection assembly (42) comprises a guide plate (421) located below the screw pushing block (412) and a driving block (422) installed on the guide plate (421) in a sliding mode, wherein the driving block drives the screw to move upwards, a guide inclined surface (4211) is arranged at the top of the guide plate (421), and the driving block (422) slides on the guide inclined surface (4211).

8. A screw assembling machine according to claim 1, wherein: the pressing component (5) comprises a connecting column (51) positioned outside the rotating disc (16), a pressing cylinder (52) arranged on the connecting column (51) and a pressing column (53) arranged on a telescopic rod of the pressing cylinder (52).

9. A screw assembling machine according to claim 1, wherein: the blanking mechanism (6) comprises a blanking clamping cylinder (61) clamping the assembled screw rod from the tool sleeve (17), a blanking lifting assembly (62) driving the blanking clamping cylinder (61) to lift and a blanking pushing assembly (63) driving the blanking clamping cylinder (61) to move in a direction away from the rotating disc (16).

10. A screw assembling machine as claimed in claim 9, wherein: a rubber ring reset assembly (7) for moving the rubber ring which is not sleeved on the screw rod into the rubber ring vibration feeding disc (11) is arranged between the rubber ring feeding mechanism (2) and the discharging mechanism (6);

the rubber ring resetting assembly (7) comprises an air blowing pipe (71) positioned below the rotating disc (16), an air pump (72) for driving the air blowing pipe (71) to blow towards the inside of the tooling sleeve (17) and a conveying pipeline (73) for guiding the rubber ring into the rubber ring vibration feeding disc (11), wherein one end of the conveying pipeline (73) close to the rubber ring vibration feeding disc (11) faces towards the center of the rubber ring vibration feeding disc (11);

the detection hole (172) has been seted up on the lateral wall of frock sleeve (17), detection hole (172) run through frock sleeve (17), pipeline (73) with be provided with between rubber circle clamping assembly (22) and be used for detecting whether there is photoelectric switch (19) of rubber circle in frock sleeve (17), the light of photoelectric switch (19) is followed detection hole (172) pass.