CN109500594B

CN109500594B - Riveting tool, automatic riveting device and production method

Info

Publication number: CN109500594B
Application number: CN201811435561.9A
Authority: CN
Inventors: 张景宏
Original assignee: Shenzhen Innovation Automation Equipment Co ltd
Current assignee: Shenzhen Innovation Automation Equipment Co ltd
Priority date: 2018-11-28
Filing date: 2018-11-28
Publication date: 2023-06-23
Anticipated expiration: 2038-11-28
Also published as: CN109500594A

Abstract

The invention relates to a riveting tool, an automatic riveting device and a production method, wherein the riveting tool comprises a first mounting seat; the first mounting seat is provided with a first positioning component for limiting the position of the dragging frame; the first positioning component is provided with a longitudinal positioning space for inserting the dragging frame; the first mounting seat is also provided with a left clamping block and a right clamping block which are matched with the dragging frame in the clamping and positioning space; the left clamping block and the right clamping block are respectively provided with a second positioning component corresponding to the dragging frame; a riveting tool capable of improving production efficiency and production quality of the whole production line.

Description

Riveting tool, automatic riveting device and production method

Technical Field

The invention relates to the technical field of automatic production, in particular to a riveting tool, an automatic riveting device and a production method.

Background

The four-way valve, i.e., the control valve having four ports, is an indispensable component in the refrigeration equipment. The four-way valve comprises a core iron 26 shown in fig. 1 and a dragging frame 20 shown in fig. 5; the dragging frame 20 comprises a spring piece 21 and a connecting plate 22; in the production process, the assembly work of the dragging frame and the core iron is required to be completed, and then the core iron is sent to the next station for riveting.

In the existing processing, the horizontal pre-combination assembly mode is selected for the assembly of the core iron and the dragging frame before riveting, and the two riveting is carried out after the assembly is completed; the following disadvantages exist in the production mode: firstly, the metal scrap iron generated by riveting is difficult to remove due to the mode of horizontal assembly and horizontal riveting, and is accumulated on the forming surface of the tooling, so that secondary pollution of products is caused, and the appearance quality, particularly the bottom surface of the core iron, is greatly influenced. Secondly, in the process of moving from the first riveting station to the second riveting station, the core iron and the dragging frame are required to be rotated by 90 degrees to be adjusted, so that positioning errors are easy to occur, and the products obtained by riveting are unqualified. Thirdly, the riveting is divided into two times, so that the core iron closing-in surface is not smooth easily, and a riveting section difference gap exists.

Therefore, in order to improve the production efficiency and the production quality of the whole production line, a novel riveting tool needs to be designed.

Disclosure of Invention

The invention aims to solve the technical problems of the prior art and provides a riveting tool, an automatic riveting device and a production method capable of improving the production efficiency and the production quality of the whole production line.

In one aspect, the invention provides a riveting tool, which comprises a first mounting seat; the first mounting seat is provided with a first positioning component for limiting the position of the dragging frame; the first positioning component is provided with a longitudinal positioning space for the insertion of the dragging frame; the first mounting seat is also provided with a left clamping block and a right clamping block which are matched with and clamp the dragging frame in the positioning space; the left clamping block and the right clamping block are respectively provided with a second positioning component corresponding to the dragging frame.

Preferably, the first positioning component comprises a positioning plate detachably connected with the first mounting seat; the positioning plate is provided with the positioning space;

the dragging frame comprises a spring piece and a connecting plate; the spring piece comprises a head end, a tail end and an inclined middle section plate, wherein the head end and the tail end are fixed with the connecting plate, and the inclined middle section plate is connected with the head end and the tail end;

the second positioning assembly comprises a left positioning block fixed with the left clamping block and a right positioning block fixed with the right clamping block; the left positioning block is provided with the first alignment groove; the first alignment groove comprises a second alignment groove corresponding to the tail end and a third alignment groove corresponding to the middle section plate; the second alignment groove is communicated with the third alignment groove; the right positioning block is provided with a fourth alignment groove corresponding to the connecting plate;

a guide assembly is arranged on the first mounting seat; the guide assembly is used for guiding the clamping direction of the left clamping block and the right clamping block.

Preferably, the tool further comprises a push-pull plate in sliding connection with the first mounting seat; the push-pull plate is provided with a first guide lug; the first mounting seat is provided with a first guide groove corresponding to the first guide lug;

the tooling also comprises a first roller and a first roller cover plate fixed on the push-pull plate; the side surface of the push-pull plate is provided with a second guide groove for the first roller to transversely move; the second guide groove is a through groove; the first mounting seat is provided with a third guide groove; the third guide groove is communicated with the side surface and the upper surface of the first mounting seat; the bottom surface of the third guide groove is opposite to the horizontal plane where the upper surface is located; the third guide groove comprises a first accommodating groove for the first roller to enter completely and a second accommodating groove for the first roller to enter partially; the third guide groove further comprises a fourth guide groove communicated with the second accommodating groove, and the side wall of the fourth guide groove is parallel to the plane where the side surface is located; the third guide groove further comprises a fifth guide groove which is communicated with the fourth guide groove and the first accommodating groove; the side wall of the fifth guide groove is inclined toward a side away from the plane of the side surface.

Preferably, the left clamping block and the right clamping block are both provided with second guide lugs; the guide assembly comprises two guide plates; the guide plate is provided with a guide notch corresponding to the second guide lug; one of the two guide plates is detachably connected with the first mounting seat, and the other guide plate is fixed with the first mounting seat;

the tool also comprises a first guide shaft and a first return spring; the left clamping block and the right clamping block are respectively provided with a third accommodating groove for accommodating the first guide shaft and a fourth accommodating groove for accommodating the first reset spring.

Preferably, the left clamping block and the right clamping block are respectively provided with a fifth alignment groove corresponding to the core iron; the fifth alignment groove on the left clamping block is communicated with the third alignment groove on the left positioning block; the fifth alignment groove on the right clamping block is communicated with the fourth alignment groove on the right positioning block;

the tool also comprises a rotating shaft fixed with the push-pull plate and a second roller sleeved on the rotating shaft;

the positioning plate is provided with a first boss, a second boss for supporting the left clamping block and a third boss for supporting the right clamping block; the first boss is provided with the positioning space corresponding to the connecting plate on the dragging frame; a gap for avoiding the tail end and the middle section plate is reserved between the first boss and the second boss;

the first mounting seat comprises a seat body and a first bottom plate which are detachably connected; the base body is provided with the first guide groove, the third guide groove and the two guide plates; the base body is provided with a notch for the first boss, the second boss and the third boss to pass through; the tool also comprises a second guide shaft detachably connected with the base body and a second reset spring sleeved on the second guide shaft; the positioning plate is provided with a through hole for the second guide shaft to pass through;

the tool also comprises two third guide shafts; the first bottom plate is provided with two first mounting holes corresponding to the two third guide shafts one by one.

In another aspect, the invention provides an automated riveting device comprising the riveting tool.

In another aspect, the present invention provides a production method, wherein,

step one:

the first manipulator grabs a dragging frame on the hanging plate and moves into a fifth accommodating groove of the correction seat;

the second cylinder drives the correcting ejector rod to correct the dragging frame;

the second manipulator grabs the corrected dragging frame and moves into the positioning space of the positioning plate;

step two:

the riveting tool on the dividing plate is rotated to an assembly station under the drive of the motor;

the righting head is driven by a third cylinder to righte the dragging frame in the fifth accommodating groove;

the push-pull plate is driven by the fourth air cylinder to control the left clamping block and the right clamping block to cooperatively clamp the dragging frame;

the first moving mechanism drives the third manipulator to downwards grab the inner core iron of the material taking disc; the first moving mechanism drives the third manipulator to move upwards; the second moving mechanism drives the first moving mechanism to reach the upper part of the riveting tool;

the first moving mechanism drives a third manipulator to downwards assemble the core iron and the dragging frame;

step three:

the riveting tool on the index plate is driven by the motor to rotate to a riveting station;

the clamping cylinder drives the left righting claw and the right righting claw to cooperatively righting the core iron;

the rivet head is driven by the servo electric cylinder to rivet the core iron and the dragging frame in a descending mode;

the servo electric cylinder drives the rivet head to reset upwards;

step four:

the riveting tool on the dividing plate is driven by the motor to rotate to a blanking station;

the second roller is driven by the fifth cylinder to control the left clamping block and the right clamping block to be separated from the dragging frame.

The invention has the beneficial effects that: when the tool is used, the longitudinal positioning space reserved by the first positioning component can quickly complete the positioning work of the dragging frame, the dragging frame can be in an upright state, the subsequent assembly of core irons is facilitated, meanwhile, the core irons in the upright state can quickly discharge residual scrap iron in the manufacturing process or the riveting process by virtue of gravity of the naturally occurring gravity, the process of removing the scrap iron is not needed, and the tool is time-saving and labor-saving and has high production efficiency; and secondly, after the assembly is completed, the core iron and the dragging frame are in a vertical state, and the core iron and the dragging frame do not need to rotate, so that the overturning step is saved.

Under the condition that positioning is completed, the dragging frame is clamped by the left clamping block and the right clamping block in a matched mode, so that the dragging frame is still in the positioning space even if the dragging frame is in vibration or moving conditions, the probability of accidental dumping is reduced, and positioning errors caused by movement or vibration are reduced. On the basis that left grip block and right grip block cooperate and press from both sides tightly, add and drag the second locating component of frame shape looks adaptation, both reserved for dragging the frame and dodged the space, avoided the clamp to hinder and drag the frame surface and influence its product quality, can prevent better again that drag frame and left grip block (or right grip block) under vibration or removal condition and take place relative skew, further reduced the positioning error that removes or vibrate and bring.

Therefore, the tool can improve the production efficiency and the production quality of the whole production line.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and embodiments, in which the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained by those skilled in the art without inventive effort:

FIG. 1 is an exploded view of a riveting tool according to a preferred embodiment of the invention;

FIG. 2 is an exploded view of a riveting tool according to the preferred embodiment of the invention;

FIG. 3 is a schematic view of an automated riveting device according to the preferred embodiment of the invention;

FIG. 4 is a schematic view of an automated riveting device according to the preferred embodiment of the invention;

FIG. 5 is a schematic view of a prior art drag frame construction;

FIG. 6 is an enlarged view at A in FIG. 1;

FIG. 7 is an enlarged view at B in FIG. 1;

FIG. 8 is an enlarged view of FIG. 1 at C;

FIG. 9 is an enlarged view of FIG. 1 at D;

FIG. 10 is an enlarged view of FIG. 1 at E;

FIG. 11 is an enlarged view of FIG. 2 at F;

FIG. 12 is a cut-away view of a centralizer head in an automated riveting device;

FIG. 13 is an enlarged view of FIG. 3 at A1;

FIG. 14 is an enlarged view of FIG. 13 at A2;

FIG. 15 is an enlarged view of FIG. 13 at A3;

FIG. 16 is an enlarged view of FIG. 13 at A4;

FIG. 17 is an enlarged view of FIG. 13 at A5;

FIG. 18 is an enlarged view at A6 of FIG. 16;

FIG. 19 is an enlarged view of FIG. 18 at A7;

FIG. 20 is an enlarged view at A8 of FIG. 4;

FIG. 21 is a state of use of a riveting tool;

fig. 22 is a flow chart of an implementation of a production method.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the following description will be made in detail with reference to the technical solutions in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by a person skilled in the art without any inventive effort, are intended to be within the scope of the present invention, based on the embodiments of the present invention.

A riveting tool according to a preferred embodiment of the present invention is shown in fig. 1, and referring to fig. 2, 5 to 11, and 21; comprising a first mount 10; the first mount 10 is provided with a first positioning assembly 11 defining the position of the dragging frame 20; the first positioning assembly 11 is provided with a longitudinal positioning space 180 into which the drag frame 20 is inserted; the first mounting seat 10 is also provided with a left clamping block 12 and a right clamping block 13 which are matched with the dragging frame 20 in the clamping and positioning space 180; the left clamping block 12 and the right clamping block 13 are respectively provided with a second positioning component 14 corresponding to the dragging frame 20;

when the tool is used, the longitudinal positioning space 180 reserved by the first positioning component 11 can quickly complete the positioning work of the dragging frame 20, and the dragging frame 20 can be in an upright state, so that the subsequent assembly of core irons is facilitated, meanwhile, the core irons in the upright state can quickly discharge residual scrap iron in the manufacturing process or the riveting process by virtue of gravity of the naturally occurring gravity, the process of removing the scrap iron is not needed, and the tool is time-saving and labor-saving and has high production efficiency; secondly, after the assembly is completed, the core iron and the dragging frame 20 are in a vertical state, and rotation is not needed, so that the overturning step is saved.

Under the condition that positioning is completed, the dragging frame is clamped by the left clamping block 12 and the right clamping block 13, so that the dragging frame 20 is still in the positioning space 180 even under the vibration or movement condition, the probability of accidental dumping is reduced, and the positioning error caused by movement or vibration is reduced. On the basis of the matching and clamping of the left clamping block 12 and the right clamping block 13, a second positioning assembly 14 matched with the shape of the dragging frame 20 is additionally arranged, so that an avoidance space is reserved for the dragging frame 20, the phenomenon that the surface of the dragging frame 20 is damaged by clamping to affect the product quality is avoided, the dragging frame 20 and the left clamping block 12 (or the right clamping block 13) are better prevented from being relatively deviated under the condition of vibration or movement, and the positioning error caused by movement or vibration is further reduced.

As shown in fig. 1, 2, 5, 8 and 11, the first positioning assembly 11 includes a positioning plate detachably connected to the first mount 10; the positioning plate is provided with a positioning space 180;

the dragging frame 20 comprises a spring piece 21 and a connecting plate 22; the spring piece 21 comprises a head end 23 and a tail end 24 which are fixed with the connecting plate 22, and an inclined middle section plate 25 which connects the head end 23 and the tail end 24;

the second positioning assembly 14 comprises a left positioning block 16 fixed with the left clamping block 12 and a right positioning block 17 fixed with the right clamping block 13; the left positioning block 16 is provided with a first alignment groove 181; the first alignment groove 181 includes a second alignment groove 182 corresponding to the trailing end 24 and a third alignment groove 183 corresponding to the middle plate 25; the second alignment groove 182 communicates with the third alignment groove 183; the right positioning block 17 is provided with a fourth alignment groove 184 corresponding to the connecting plate 22; the left positioning block 16 is provided with a first alignment groove 181, the right positioning block 17 is provided with a fourth alignment groove 184, so that avoiding space is reserved for the connecting plate 22, the tail end 24 and the middle section plate 25 of the dragging frame 20, the phenomenon that the surface of the dragging frame 20 is scratched to influence the product quality is avoided, the dragging frame 20 and the left clamping block 12 (or the right clamping block 13) are prevented from being relatively deviated under the condition of vibration or movement, and the positioning error caused by movement or vibration is further reduced;

the first mounting seat 10 is provided with a guide assembly 18; the guiding assembly 18 is used for guiding the clamping direction of the left clamping block 12 and the right clamping block 13, so that the movement of the left clamping block 12 and the right clamping block 13 is more orderly and controllable.

As shown in fig. 1, 2, 6 and 9, the tool further comprises a push-pull plate 19 slidably connected with the first mounting seat 10; the push-pull plate 19 is provided with a first guide lug 110; the first mount 10 is provided with a first guide groove 185 corresponding to the first guide protrusion 110; the cooperation of the first guide protrusion 110 and the first guide groove 185 makes the push-pull plate 19 move along a specific track, so that the movement is more orderly and controllable.

The tooling also comprises a first roller 111 and a first roller cover plate 112 fixed on the push-pull plate 19; the side surface of the push-pull plate 19 is provided with a second guide groove 186 for the first roller 111 to move laterally; the second guide groove 186 is a through groove; the first mount 10 is provided with a third guide groove 187; the third guide groove 187 communicates with the side surface 188 and the upper surface 189 of the first mount 10; the bottom surface of the third guide groove 187 is opposite to the horizontal surface where the upper surface 189 is located; the first roller 111 is prevented from moving in the vertical direction by the first roller cover plate 112 and the first mount 10, so that the movement of the first roller 111 is orderly and controllable; the second guide groove 186 and the third guide groove 187 guide the movement of the first roller 111 in the horizontal direction so as to push the left clamping block 12 and the right clamping block 13 to realize the purpose of die assembly and die opening; the third guide groove 187 includes a first receiving groove 1810 into which the first roller 111 completely enters, and a second receiving groove 1811 into which the first roller 111 partially enters; the third guide groove 187 further includes a fourth guide groove 1812 communicating with the second receiving groove 1811, and a side wall of the fourth guide groove 1812 is parallel to the plane of the side surface 188; the third guide groove 187 further includes a fifth guide groove 1813 communicating the fourth guide groove 1812 and the first receiving groove; the side wall of the fifth guide groove 1813 is inclined toward a side away from the plane in which the side surface 188 is located; the first roller 111 has two states of clamping and unclamping the left clamp block 12 (or the right clamp block 13). Specifically, when the push-pull plate 19 moves along the positive direction, the first roller 111 is driven to slide into the fourth guide groove 1812 under the guiding of the inclined surface of the fifth guide groove 1813, then slide into the fifth guide groove 1813, and finally reach the second accommodating groove 1811, and as the second accommodating groove 1811 is smaller than the first roller 111, one part of the first roller 111 extends into the second accommodating groove 1811, and the other part of the first roller 111 is protruded to push the left clamping block 12 (or the right clamping block 13), so as to push the left clamping block 12 (or the right clamping block 13) to clamp the dragging frame 20, thereby realizing die clamping. When the push-pull plate 19 moves along the opposite direction, the first roller 111 is driven to enter the fifth guide slot 1813 under the guide of the fourth guide slot 1812, because the fifth guide slot 1813 has an inclined plane, the space is larger than that of the fourth guide slot 1812, more parts of the first roller 111 extend into the slot, the parts pushing the left clamping block 12 (or the right clamping block 13) are reduced, the pressure applied to the left clamping block 12 (or the right clamping block 13) is reduced, and finally the first roller 111 reaches the first accommodating slot 1810 to completely enter, so that the first roller 111 completely extends into the first accommodating slot 1810 to loosen the left clamping block 12 (or the right clamping block 13) to clamp the dragging frame 20, and the die opening is realized.

As shown in fig. 1, 7, 8 and 11, the left and right clamping blocks 12 and 13 are each provided with a second guide protrusion 112; the guide assembly 18 includes two guide plates 113; the guide plate 113 is provided with a guide notch 1814 corresponding to the second guide lug 112, and the left clamping block 12 and the right clamping block 13 can slide along the direction of the guide notch 1814 when moving through the cooperation of the guide notch 1814 and the second guide lug 112, so that the movement of the left clamping block 12 and the right clamping block 13 is orderly and controllable; two guide plates 113, one of which is detachably connected to the first mount 10 and the other of which is fixed to the first mount 10; the detachable connection is convenient for the assembly work of the tool, the left clamping block 12 and the right clamping block 13 are inserted from the upper part of the first mounting seat 10 during the mounting, the detachable connection can realize the assembly sequence of firstly placing the left clamping block 12 and the right clamping block 13 and then locking, and the smooth assembly of the tool is ensured;

the tooling also includes a first guide shaft 114 and a first return spring 115; the left clamping block 12 and the right clamping block 13 are respectively provided with a third accommodating groove 1815 for accommodating the first guide shaft 114 and a fourth accommodating groove 1816 for accommodating the first return spring 115, and the left clamping block 12 and the right clamping block 13 move along a specific track through the cooperation of the first guide shaft 114 and the third accommodating groove 1815, so that the movement is more orderly and controllable; meanwhile, when the first roller 111 moves along the opposite direction, the left clamping block 12 and the right clamping block 13 can be automatically opened by the first return spring 115, so that labor is saved, and the production efficiency is high.

As shown in fig. 1, 8 to 11, the left clamp block 12 and the right clamp block 13 are each provided with a fifth alignment groove 1817 corresponding to the core iron 26; the fifth alignment groove 1817 on the left clamp block 12 communicates with the third alignment groove 183 on the left clamp block 12; the fifth alignment groove 1817 on the right clamping block 13 is communicated with the fourth alignment groove 184 on the right positioning block 13; the positioning work of the core iron 26 can be rapidly completed through the fifth alignment groove 1817, and the core iron 26 in the vertical state can rapidly discharge the residual scrap iron in the manufacturing process or the riveting process by the gravity of the naturally occurring gravity without additionally arranging a scrap iron removing process, so that the time and the labor are saved, and the production efficiency is high;

the tooling also comprises a rotating shaft 116 fixed with the push-pull plate 19 and a second roller 117 sleeved on the rotating shaft 116; by additionally arranging the second roller 117 for pushing by a driving mechanism (such as a telescopic cylinder), the push-pull plate 19 can be driven, a good control effect is realized, the damage of the push-pull plate 19 caused by direct collision can be avoided, and the second roller 117 is convenient to replace;

the positioning plate is provided with a first boss 118, a second boss 119 supporting the left clamping block 12 and a third boss 1110 supporting the right clamping block 13; the first boss 118 is provided with a positioning space 180 corresponding to the connecting plate 22 on the dragging frame 20; a first gap for avoiding the tail end 24 and the middle section plate 25 is reserved between the first boss 118 and the second boss 119; the reserved first gap can avoid clamping the drag frame 20 which is corrected;

the first mount 10 includes a detachably connected base 1111 and a first base plate 1112; the base 1111 is provided with a first guide groove 185, a third guide groove 187, and two guide plates 113; the base 1111 is provided with a notch 1818 for the first boss 118, the second boss 119 and the third boss 1110 to pass through; the tooling also comprises a second guide shaft 1113 detachably connected with the base 1111 and a second return spring 1114 sleeved on the second guide shaft 1113; the positioning plate is provided with a through hole 1819 through which the second guide shaft 1113 passes; the second return spring 1114 can buffer the impact force of assembly and riveting, effectively protect the riveting device and the positioning plate, and has simple structure and low cost;

the tooling also comprises two third guide shafts 1115; the first bottom plate 1112 is provided with two first mounting holes with two third guiding axles 1115 one-to-one, and when being convenient for follow-up through mobile device (such as decollator and graduated disk) removal frock, two third guiding axles 1115 can effectively prevent that the frock from taking place the skew to ensure that drag the frame still fixes a position well.

An automated riveting apparatus employing the riveting tool as shown in fig. 3, 4, and 13-20, the apparatus comprising:

as shown in fig. 13, the riveting tool 1 is included, and the production efficiency and the production quality of the whole production line are improved through the riveting tool.

As shown in fig. 3, 13 and 15, the device further comprises a riveting mechanism 3 for riveting the core iron 26 and the dragging frame 20 on the riveting tool 1; the riveting mechanism 3 comprises a second mounting seat 30 and a servo electric cylinder 31 fixed on the second mounting seat 30; the riveting mechanism 3 further comprises a rivet head mounting seat and a rivet head 33 arranged on the rivet head mounting seat; the rivet mounting seat is fixed with the movable end of the servo electric cylinder 31; the servo electric cylinder 31 is adopted as a driving source, and the advantages of controllable pressure and controllable stroke are achieved, so that riveting and forming products in mass production have consistency and good production quality;

the device also comprises a clamping cylinder 40, a left righting claw 41 and a right righting claw 42 which are fixed with the second mounting seat 30; a left righting claw 41 is fixed on the left movable finger of the clamping cylinder 40, and a right righting claw 42 is fixed on the right movable finger; the left centralizing claw 41 and the right centralizing claw 42 are respectively provided with a second centralizing groove 480 corresponding to the core iron 26, the core iron 26 is centralized through the cooperation clamping of the left centralizing claw 41 and the right centralizing claw 42, riveting can be completed according to the expected positioning relationship, the production quality of products is guaranteed, the structure is simple, and the centralizing effect is good.

As shown in fig. 3, 13, 14 and 16 to 19, the device further comprises a frame 4, so as to provide an installation space for components such as the riveting mechanism 3, the second installation seat 30, the riveting tool 1 and the like; the frame 4 is provided with a second mounting seat 30 and a material channel 50 for the dragging frame 20 to pass through; a second gap is left between the tail end 24 and the connecting plate 22; a hanging plate 51 corresponding to the second gap and used for hanging the dragging frame 20 is arranged on the material channel 50; by arranging the hanging plate 51 for hanging the dragging frame 20, if the dragging frame 20 lacks the spring piece 21, the dragging frame can fall off from the hanging plate 51; if the second gap between the tail end 24 and the connecting plate 22 is too small to be hung on the hanging plate 51, the tail end can also fall off from the hanging plate 51; thereby realizing the rejection of defective products through the hanging plate 51, and the good products can be conveyed forwards along the hanging plate 51; meanwhile, the contact area of the dragging frame 20 and the hanging plate 51 is smaller than the contact area of horizontal discharging, so that the dragging frame 20 can be effectively prevented from being scratched or worn; the frame 4 is provided with a correcting mechanism 52 for correcting the symmetry degree of each dragging frame 20 on the hanging plate 51; the frame 4 is also provided with a first manipulator 53 which takes materials from the hanging plate 51 and moves to the correcting mechanism 52, and a second manipulator 54 which takes materials from the correcting mechanism 52 and moves to the riveting tool 1; the symmetry degree of the dragging frame 20 is corrected through the correcting mechanism 52, so that the subsequent assembly of the dragging frame 20 and the core iron 26 can be smoothly carried out; the first manipulator 53 and the second manipulator 54 are used for realizing quick material taking and discharging, so that the production efficiency is improved;

the correction mechanism 52 includes a third mount 55; the third mounting seat 55 is fixed at the discharge end of the material channel 50; the correction mechanism 52 further includes a first cylinder 56 and a correction seat 57, both of which are fixed to the third mount 55; the movable end of the first cylinder 56 is fixed with a correcting ejector rod 58; the correction seat 57 is provided with a T-shaped fifth receiving groove 580 corresponding to the drag frame 20, and a sixth receiving groove 581 into which the correction jack 58 is inserted; the fifth receiving groove 580 communicates with the sixth receiving groove 581; the correcting ejector rod 58 comprises a second bottom plate 59 fixed with the movable end of the first cylinder 56, a fourth boss 510 fixed on the second bottom plate 59 for pushing the connecting plate 22, and a fifth boss 511 fixed on the fourth boss 510 for pushing the middle section plate 25 and the tail end 24; the dragging frame 20 is placed in the fifth accommodating groove 580 through the first manipulator 53, and the first cylinder 56 drives the fourth boss 510 to prop against the connecting plate 22; when the middle section plate 25 and the tail end 24 are deformed in a direction away from the fifth accommodating groove 580, the fifth boss 511 can push the middle section plate 25 and the tail end 24 inwards, and the qualified symmetry is obtained by adjustment; by adjusting the symmetry of the dragging frame 20, the subsequent assembly is ensured to be smoothly carried out, and the production quality is improved;

the frame 4 is provided with a motor 60 and a divider 61; a motor shaft of the motor 60 is fixed with a first belt pulley; the input shaft of the divider 61 is fixed with a second belt pulley, and the output shaft of the divider 61 is fixed with an index plate 64; the device also comprises a belt for connecting the first belt pulley and the second belt pulley, and the motor 60 and the divider 61 drive the dividing plate 64, so that the control precision is high, and the moving effect is good; the index plate 3 is provided with two guide sleeves corresponding to the two third guide shafts 1115 one by one and two second mounting holes 680 corresponding to the two guide sleeves one by one, so that a mounting space is reserved for the guide sleeves;

the rack 4 is also provided with a material tray 70 for containing the core iron 26, a third manipulator 71 for moving the core iron 26 in the material tray 70 into the fifth alignment groove 1817, a first moving mechanism 72 for driving the third manipulator 71 to longitudinally move, and a second moving mechanism 73 for driving the first moving mechanism 72 to transversely move, so that the core iron 26 is rapidly fed, and the production efficiency is improved; the frame 4 is also provided with a centralizing component for centralizing the dragging frame 20 in the positioning space 180 on the riveting tool 1, so that the dragging frame 20 is prevented from tilting due to unknown vibration sources, the centralizing component is additionally arranged for centralizing the dragging frame, the workload of manual inspection and centralizing is saved, and the subsequent assembly of the dragging frame 20 and the core iron 26 is facilitated;

the second moving mechanism 73 includes a fourth mount 75 fixed to the frame 4, and a second cylinder 76 fixed to the fourth mount 75; the movable end of the second cylinder 76 is fixed with a mounting plate 77; the mounting plate 77 is provided with a first movement mechanism 72 and a righting assembly; the second air cylinder 76 is adopted as a driving mechanism, so that the control precision is high and the cost is low; the mounting plate 77 is additionally arranged, so that a mounting space is provided for the first moving mechanism 72 and the righting component, and a cylinder can drive two parts to move, and two cylinders are not needed, so that the structure of the whole device is more compact;

the righting assembly includes a third cylinder 78 secured to the mounting plate, and a righting head 79; one end of the righting head 79 is fixed with the sliding end of the third cylinder 78, and the other end extends into the fifth alignment groove 1817 to right the dragging frame 20; the centering head 79 is provided with a first centering groove 780 corresponding to the dragging frame 20, and the maximum outer diameter of one end of the centering groove 1817 extending into the fifth centering groove 1817 is smaller than the minimum inner diameter of the fifth centering groove 1817, when the dragging frame 20 is inclined, the centering head 79 downwardly extends into the fifth centering groove 1817 under the driving of the third air cylinder 78, and the first centering groove 780 is a cylindrical groove, so that the side wall of the first centering groove 780 is attached to the lower end of the dragging frame 20 after the centering head 79 downwardly extends, and the dragging frame 20 which is inclined outwards is continuously pushed downwards to move inwards until the vertical state is restored, so that the centering work of the dragging frame 20 is realized, and the subsequent assembly of the dragging frame 20 and the core iron 26 is facilitated.

As shown in fig. 20, the frame 4 is further provided with a first driving mechanism 80 for driving the push-pull plate 19 to control the left clamping block 12 and the right clamping block 13 to clamp the dragging frame 20, and a second driving mechanism 81 for driving the push-pull plate 19 to control the left clamping block 12 and the right clamping block 13 to be separated from the dragging frame 20; the die assembly of the left clamping block 12 and the right clamping block 13 is realized through the first driving mechanism 80, the die opening of the left clamping block 12 and the right clamping block 13 is realized through the second driving mechanism 81, the labor is saved, and the control effect is good;

the first driving mechanism 80 comprises a fifth mounting seat 82 fixed with the frame 4 and a fourth cylinder 83 for pushing the push-pull plate 19 to control the left clamping block 12 and the right clamping block 13 to clamp the dragging frame 20; the fourth cylinder 83 is fixed to the fifth mount 82; the fourth cylinder 83 is adopted as a driving mechanism, so that the control precision is high and the cost is low;

the second driving mechanism 81 comprises a sixth mounting seat 84 fixed with the second mounting seat 30, and a fifth cylinder 85 pushing the second roller 117 to control the left clamping block 12 and the right clamping block 13 to be separated from the dragging frame 20; the fifth cylinder 85 is fixed to the sixth mounting base 84, and the fifth cylinder 85 is used as a driving mechanism, so that the control accuracy is high and the cost is low.

A method of manufacturing, using the automated riveting device described above, as shown in fig. 22, the method comprising:

step S101:

the second cylinder drives the correcting ejector rod correcting dragging frame;

the second manipulator grabs the corrected dragging frame and moves into the positioning space of the positioning plate.

Step S102:

the righting head is driven by the third cylinder to righte the dragging frame in the fifth accommodating groove;

the push-pull plate is driven by the fourth air cylinder to control the left clamping block and the right clamping block to be matched with the clamping dragging frame;

the first moving mechanism drives the third manipulator to downwards assemble the core iron and the dragging frame.

Step S103:

the clamping cylinder drives the left righting claw and the right righting claw to be matched with the righting core iron;

the riveting heads are driven by the servo electric cylinders to rivet the core iron and the dragging frame downwards;

the servo electric cylinder drives the rivet head to reset upwards.

Step S104:

the riveting tool on the dividing plate is rotated to a blanking station under the drive of the motor;

the second roller is driven by the fifth cylinder to control the left clamping block and the right clamping block to separate from the dragging frame.

The production method of the embodiment of the invention has the following advantages: the vertical assembly method (namely, the core iron and the dragging frame are in an upright state and are assembled in an up-down alignment mode), firstly, from assembly to riveting, the product is always in the riveting tool, no movement or rotation is needed, the dragging frame and the tool do not have relative displacement, the damage to the product caused by positioning errors during riveting is avoided, and good product quality is ensured. Secondly, can make the remaining iron fillings of manufacturing process or riveting in-process discharge fast by gravity of natural existence, need not add the process of cleaing away the iron fillings again, labour saving and time saving, production efficiency is high. Thirdly, the bottom surface of the core iron with the surface quality requirement is positioned above the bottom surface, so that the appearance quality of the core iron can be effectively ensured. Fourthly, through riveting and one-step forming closing, the situation that the product is torn and has poor section after riveting is avoided, the good appearance of the product is ensured, and the production quality is improved.

It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims.

Claims

1. The riveting tool is characterized by comprising a first mounting seat; the first mounting seat is provided with a first positioning component for limiting the position of the dragging frame; the first positioning component is provided with a longitudinal positioning space for the insertion of the dragging frame; the first mounting seat is also provided with a left clamping block and a right clamping block which are matched with and clamp the dragging frame in the positioning space; the left clamping block and the right clamping block are respectively provided with a second positioning component corresponding to the dragging frame;

the first positioning component comprises a positioning plate detachably connected with the first mounting seat; the positioning plate is provided with the positioning space;

a guide assembly is arranged on the first mounting seat; the guide assembly is used for guiding the clamping directions of the left clamping block and the right clamping block;

the tool also comprises a push-pull plate which is in sliding connection with the first mounting seat; the push-pull plate is provided with a first guide lug; the first mounting seat is provided with a first guide groove corresponding to the first guide lug;

the tooling also comprises a first roller and a first roller cover plate fixed on the push-pull plate; the side surface of the push-pull plate is provided with a second guide groove for the first roller to transversely move; the second guide groove is a through groove; the first mounting seat is provided with a third guide groove; the third guide groove is communicated with the side surface and the upper surface of the first mounting seat; the bottom surface of the third guide groove is opposite to the horizontal plane where the upper surface is located; the third guide groove comprises a first accommodating groove for the first roller to enter completely and a second accommodating groove for the first roller to enter partially; the third guide groove further comprises a fourth guide groove communicated with the second accommodating groove, and the side wall of the fourth guide groove is parallel to the plane where the side surface is located; the third guide groove further comprises a fifth guide groove which is communicated with the fourth guide groove and the first accommodating groove; the side wall of the fifth guide groove is inclined towards one side far away from the plane of the side surface;

the left clamping block and the right clamping block are respectively provided with a second guide lug; the guide assembly comprises two guide plates; the guide plate is provided with a guide notch corresponding to the second guide lug; one of the two guide plates is detachably connected with the first mounting seat, and the other guide plate is fixed with the first mounting seat;

the tool also comprises a first guide shaft and a first return spring; the left clamping block and the right clamping block are respectively provided with a third accommodating groove for accommodating the first guide shaft and a fourth accommodating groove for accommodating the first return spring;

the left clamping block and the right clamping block are respectively provided with a fifth alignment groove corresponding to the core iron; the fifth alignment groove on the left clamping block is communicated with the third alignment groove on the left positioning block; the fifth alignment groove on the right clamping block is communicated with the fourth alignment groove on the right positioning block;

the positioning plate is provided with a first boss, a second boss for supporting the left clamping block and a third boss for supporting the right clamping block; the first boss is provided with the positioning space corresponding to the connecting plate on the dragging frame; a first gap for avoiding the tail end and the middle section plate is reserved between the first boss and the second boss;

2. An automated riveting apparatus employing the riveting tool of claim 1, comprising the riveting tool;

the device also comprises a riveting mechanism for riveting the upper core iron of the riveting tool and the dragging frame; the riveting mechanism comprises a second mounting seat and a servo electric cylinder fixed on the second mounting seat; the riveting mechanism further comprises a rivet mounting seat and a rivet arranged on the rivet mounting seat; the rivet mounting seat is fixed with the movable end of the servo electric cylinder;

the device also comprises a clamping cylinder, a left righting claw and a right righting claw which are fixed with the second mounting seat; the left righting claw is fixed on the left movable finger of the clamping cylinder, and the right righting claw is fixed on the right movable finger; the left righting claw and the right righting claw are respectively provided with a second righting groove corresponding to the core iron;

the apparatus further comprises a frame; the frame is provided with a material channel for the dragging frame to pass through; a second gap is reserved between the tail end and the connecting plate; a hanging plate corresponding to the second gap is arranged on the material channel and used for hanging the dragging frame; the rack is provided with a correcting mechanism for correcting symmetry degree of each dragging frame on the hanging plate; the rack is also provided with a first manipulator which takes materials from the hanging plate and moves to the correcting mechanism and a second manipulator which takes materials from the correcting mechanism and moves to the riveting tool;

the correcting mechanism comprises a third mounting seat; the third mounting seat is fixed at the discharge end of the material channel; the correcting mechanism further comprises a first cylinder and a correcting seat which are both fixed on the third mounting seat; the movable end of the first cylinder is fixed with a correcting ejector rod; the correcting seat is provided with a T-shaped fifth accommodating groove corresponding to the dragging frame and a sixth accommodating groove into which the correcting ejector rod stretches; the fifth accommodating groove is communicated with the sixth accommodating groove; the correcting ejector rod comprises a second bottom plate, a fourth boss and a fifth boss, the fourth boss is fixed on the second bottom plate and used for pushing the connecting plate, and the fifth boss is fixed on the fourth boss and used for pushing the middle section plate and the tail end;

a motor and a divider are arranged on the frame; a motor shaft of the motor is fixed with a first belt pulley; the input shaft of the divider is fixed with a second belt pulley, and the output shaft of the divider is fixed with an index plate; the apparatus further includes a belt connecting the first pulley and the second pulley; the dividing disc is provided with two guide sleeves corresponding to the two third guide shafts one by one and two second mounting holes corresponding to the two guide sleeves one by one;

the rack is also provided with a material tray for containing the core iron, a third manipulator for moving the core iron in the material tray into the fifth alignment groove, a first moving mechanism for driving the third manipulator to longitudinally move, and a second moving mechanism for driving the first moving mechanism to transversely move; the frame is also provided with a righting component for righting the dragging frame in the positioning space on the riveting tool;

the second moving mechanism comprises a fourth mounting seat fixed with the frame and a second air cylinder fixed on the fourth mounting seat; the movable end of the second cylinder is fixed with a mounting plate; the first moving mechanism and the righting component are arranged on the mounting plate;

the righting assembly comprises a third cylinder fixed with the mounting plate and a righting head; one end of the righting head is fixed with the sliding end of the third cylinder, and the other end of the righting head stretches into the fifth alignment groove to straighten the dragging frame; the righting head is provided with a first righting groove corresponding to the dragging frame, and the maximum outer diameter of one end extending into the fifth alignment groove is smaller than the minimum inner diameter of the fifth alignment groove.

3. The device according to claim 2, wherein the frame is further provided with a first driving mechanism for driving the push-pull plate to control the left clamping block and the right clamping block to clamp the dragging frame, and a second driving mechanism for driving the push-pull plate to control the left clamping block and the right clamping block to be separated from the dragging frame;

the first driving mechanism comprises a fifth mounting seat fixed with the frame and a fourth cylinder pushing the push-pull plate to control the left clamping block and the right clamping block to clamp the dragging frame; the fourth air cylinder is fixed on the fifth mounting seat;

the second driving mechanism comprises a sixth mounting seat fixed with the second mounting seat and a fifth cylinder pushing the second roller to control the left clamping block and the right clamping block to be separated from the dragging frame; the fifth cylinder is fixed on the sixth mounting seat.

4. A method of production employing the automated riveting device of any one of claims 2-3, the method comprising:

step one:

step two:

step three:

the servo electric cylinder drives the rivet head to reset upwards;

step four: