CN113305265A

CN113305265A - Chain riveting machine and chain riveting process

Info

Publication number: CN113305265A
Application number: CN202110376880.2A
Authority: CN
Inventors: 叶俊勇; 廖杭州; 汪斌; 虞婕华; 宣成
Original assignee: Hangzhou Donghua Chain Group Co Ltd
Current assignee: Hangzhou Donghua Chain Group Co Ltd
Priority date: 2021-04-08
Filing date: 2021-04-08
Publication date: 2021-08-27
Anticipated expiration: 2041-04-08
Also published as: CN113305265B

Abstract

The invention relates to chain processing equipment, and particularly discloses a chain riveting machine and a chain riveting process. The chain riveting head machine comprises a rack, a riveting head module, a feeding mechanism and a driving device, wherein a material conveying channel is arranged on the rack; the rivet head module comprises an upper rivet head die and a lower rivet head die, and the material conveying channel penetrates through the upper rivet head die and the lower rivet head die; the feeding mechanism comprises a feeding driving wheel corresponding to the outlet end of the material conveying channel, and the driving device comprises a rotating main shaft arranged on the rack, and a main transmission mechanism and a feeding transmission mechanism which are linked with the rotating main shaft; the main transmission mechanism pushes the upper die and the lower die to move relatively; the feeding transmission mechanism drives the feeding driving wheel to rotate intermittently in one direction relative to the frame. The chain riveting machine can automatically realize the feeding and riveting operation of the chain, and improves the processing efficiency; and meanwhile, the linkage of feeding and riveting operation is realized, and the riveting quality is ensured.

Description

Chain riveting machine and chain riveting process

Technical Field

The invention relates to chain processing equipment, in particular to a chain riveting machine and a chain riveting process.

Background

The chain is formed by connecting a plurality of chain links end to end in sequence, and two adjacent chain links are connected through a pin. In order to ensure the reliability of the connection, the pins are usually subjected to a riveting process. The riveting head process of present chain mainly carries out the operation through the mode that punch press and mould combined together, and this operation mode needs operating personnel to carry out the pay-off operation, and production speed is subject to staff's proficiency, has problems such as inefficiency, riveting head unstable quality, has very big potential safety hazard moreover.

Disclosure of Invention

The invention aims to solve the technical problem of providing a chain riveting machine and a chain riveting process, which automatically realize the feeding and riveting operation of a chain and improve the processing efficiency; and meanwhile, the linkage of feeding and riveting operation is realized, and the riveting quality is ensured.

In order to solve the technical problems, the technical scheme provided by the invention is as follows: a chain riveter comprising at least:

the device comprises a rack, wherein a material conveying channel is arranged on the rack;

the rivet head module comprises an upper rivet head die and a lower rivet head die, and the material conveying channel penetrates through the upper rivet head die and the lower rivet head die;

the feeding mechanism comprises a feeding driving wheel corresponding to the outlet end of the conveying channel, and the feeding driving wheel is rotatably and movably connected with the rack;

the driving device comprises a rotating main shaft arranged on the rack, and a main transmission mechanism and a feeding transmission mechanism which are linked with the rotating main shaft; the main transmission mechanism pushes the upper die and the lower die to move relatively; the feeding transmission mechanism drives the feeding driving wheel to rotate intermittently in one direction relative to the frame.

The automation of feeding and riveting operation is realized through the driving device respectively, and the processing efficiency is improved. Meanwhile, the main transmission mechanism is linked with the feeding transmission mechanism, so that the automation degree is higher, the production harmony is better, and the product percent of pass is higher.

Preferably, the riveting die further comprises an exposing die set, wherein the exposing die set is arranged between the feeding end of the material conveying channel and the riveting head die set; the head exposing module comprises an upper head exposing die and a lower head exposing die, and the conveying channel penetrates through the upper head exposing die and the lower head exposing die; the main transmission mechanism pushes the exposure upper die and the exposure lower die to move relatively.

The chain plate is pressed into the pin by the end-protruding module, the length of the pin extending out of the chain plate is ensured, and a certain end-protruding amount is controlled, so that conditions are created for subsequent riveting procedures.

Preferably, the rivet head lower die is arranged below the material conveying channel; the rivet head upper die is fixedly arranged on the upper cross beam; the main transmission mechanism pushes the upper cross beam to reciprocate along the vertical direction relative to the frame.

Preferably, the rotary main shaft is arranged below the material conveying channel; the lower cross beam is arranged below the workbench and connected with the upper cross beam and synchronously moves up and down; the main transmission mechanism comprises a main crank connected with the main transmission shaft and a main connecting rod arranged between the main crank and the lower beam, and the main crank, the main connecting rod, the lower beam and the frame jointly form a four-bar mechanism.

The upper cross beam is used as a support of the upper die of the rivet head, and is matched with the lower die of the rivet head, the main transmission mechanism is reasonably arranged, and the action of the rivet head module is realized.

Preferably, the feeding transmission mechanism comprises a driving four-bar mechanism linked with the rotating main shaft and a driven four-bar mechanism linked with the feeding driving wheel, wherein the driving four-bar mechanism comprises a driving crank and a driving rocker, and the driving crank is connected with the rotating main shaft and synchronously rotates along with the rotating main shaft; the driven four-bar mechanism comprises a driven crank and a driven sliding block, and the driven crank is connected with the feeding driving wheel and is in one-way transmission with the feeding driving wheel; the driven sliding block can slide relative to the frame under the pushing of the driving rocker.

Due to the structural characteristics of the chain, the rotation center of the feeding driving wheel is perpendicular to the rotation center of the rotating main shaft. In order to realize the linkage of the feeding transmission mechanism and the main transmission mechanism, the feeding transmission mechanism is required to have a direction-changing function.

The two four-bar mechanisms are matched with each other, so that the change of the motion direction is realized while the transmission reliability is ensured, and the linkage of the feeding transmission mechanism, the main transmission mechanism and the rotating main shaft is realized.

Preferably, the driven crank is coaxially arranged with the feeding driving wheel and can rotate relative to the feeding driving wheel; the feeding mechanism is characterized in that a stopping assembly is arranged between the driven crank and the feeding driving wheel, the stopping assembly comprises a ratchet wheel which is coaxially arranged with the feeding driving wheel and synchronously rotates, and a pawl arranged on the driven crank, and the pawl is matched with the ratchet wheel. The one-way intermittent transmission of the feeding driving wheel driven by the feeding transmission mechanism is realized in a form of matching of the ratchet wheel and the pawl.

Preferably, the rivet head module further comprises a jacking assembly arranged between the rivet head lower die and the frame, the jacking assembly comprises an upper pushing block and a lower pushing block, and the rivet head lower die is connected with the upper pushing block and moves up and down along with the upper pushing block; the upper pushing block and the lower pushing block are arranged in a vertically stacked mode, and the contact surfaces of the upper pushing block and the lower pushing block comprise pushing inclined surfaces; the device also comprises a driving component for driving the lower push block and the upper push block to move relatively.

The relative motion of the lower push block and the upper push block is converted into the up-and-down motion of the upper push block relative to the lower push block by pushing the inclined plane, and the lower die of the rivet head is further pushed to move up and down, and the rivet head operation of the lower end part of the pin is completed. After the riveting head is completed, the lower die of the riveting head moves downwards along with the lower pushing block, and the lower die of the riveting head is separated from the pin, so that the feeding operation of the chain is facilitated.

Preferably, the driving assembly comprises a guide wheel sleeved on the rotating main shaft, and the guide wheel and the rotating main shaft rotate synchronously; the cylindrical surface of the guide wheel is provided with a guide groove, the guide groove is arranged in a closed loop around an axis, and the guide groove comprises a spiral section; the driving assembly further comprises a transmission arm, the transmission arm is connected with the rack in a sliding mode, and the sliding direction of the guide arm is parallel to the axial direction of the guide wheel; the transmission arm is provided with a sliding block inserted into the guide groove, and the transmission arm is connected with the lower pushing block and synchronously moves in the same direction.

The rotation of the guide wheel is converted into the axial sliding of the transmission arm through the spiral section of the guide groove, and then the lower push block is pushed to move relative to the upper push block. The linkage of the jacking assembly and the main transmission mechanism can be realized by reasonably setting the phase angle of the spiral section of the driving crank and the guide groove, and the riveting head upper die and the riveting head lower die are driven to move relatively together to complete the riveting head operation.

Preferably, the rivet head module further comprises a positioning assembly, and the positioning assembly comprises a positioning insertion plate arranged on one side of the material conveying channel; the positioning insertion plate is connected with the transmission arm and synchronously moves in the same direction as the transmission arm. When the riveting head is operated, the positioning insertion plate is inserted into and locks the corresponding chain link, so that accurate positioning is realized, and the riveting head quality is ensured.

The chain riveting process at least comprises the following steps:

firstly, a chain to be riveted is laid on a material conveying channel, the chain and a riveting head module are relatively positioned, and the chain and the riveting head module are effectively connected with a feeding driving wheel;

secondly, the riveting head modules approach each other to complete the riveting operation of the current chain link; at this time, the feeding driving wheel does not rotate;

separating the riveting head die set, rotating the feeding driving wheel, and enabling the next chain link to enter a station;

and step four, repeating the step two to the step three until the subsequent chain link processing is completed.

Drawings

FIG. 1 is a schematic structural diagram of a chain riveting machine according to the present embodiment;

FIG. 2 is a front view of the chain riveter of the present embodiment;

FIG. 3 is a side sectional view of the chain riveter of the present embodiment;

FIG. 4 is a schematic view showing the arrangement of the riveting head modules and the exposure modules in the chain riveting machine according to the present embodiment;

FIG. 5 is a schematic structural view of the chain riveting machine in the separated state of the riveting die set;

FIG. 6 is a schematic structural diagram of a riveting state of the riveting head module in the chain riveting machine according to the embodiment;

fig. 7 is a schematic structural view of a jacking assembly in the chain riveting machine of the embodiment;

fig. 8 is a schematic transmission diagram of the jacking assembly in the chain riveting machine of the embodiment;

FIG. 9 is a schematic structural diagram of a guide wheel of the chain riveting machine according to the embodiment;

FIG. 10 is a schematic view of the operation of the head exposing module of the chain riveting machine according to the present embodiment;

fig. 11 is a schematic view illustrating an installation of a feeding mechanism and a feeding driving mechanism in the chain riveting machine according to the embodiment;

fig. 12 is a schematic structural view of the feeding mechanism and the feeding driving mechanism in the chain riveting machine according to the embodiment;

fig. 13 is a front view of the feeding mechanism and the feeding driving mechanism in the chain riveting machine of the embodiment;

FIG. 14 is a front view of the feeding mechanism and the feeding driving mechanism of the chain riveting machine according to another embodiment;

fig. 15 is a schematic structural view of the stopping and withdrawing assembly of the chain riveting machine of the embodiment.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Examples

As shown in fig. 1-3, a chain riveting machine comprises a frame, wherein the frame comprises a workbench 11 and a base 13, and the workbench 11 is positioned above the base 13 and connected through a plurality of supporting pieces 12. The workbench 11 is provided with a material conveying channel 14, the discharge end of the material conveying channel 14 is provided with a feeding mechanism 4, and the feed end is provided with a damping unit 33. During the rivet head processing, the chain is laid on the material conveying channel 14 and is effectively connected with the feeding driving wheel 41. The resistance unit exerts a certain pressure on the chain 9 to ensure that the part of the chain 9 located in the feed channel 14 has sufficient tension.

As shown in fig. 4-6, the rivet head die set 5 further comprises a rivet head upper die 52 and a rivet head lower die 51, and the feed passage 14 passes through between the rivet head upper die 52 and the rivet head lower die 51. The device also comprises an upper cross beam 21 positioned above the workbench 11 and a lower cross beam 23 positioned below the workbench 11, wherein the upper cross beam 21 and the lower cross beam 23 are connected through a plurality of intermediate rods 22 and move synchronously. The middle rod 22 passes through the workbench 11 and is connected with the workbench 11 in a vertical sliding manner. The rivet head upper die 52 is arranged on the upper cross beam 21.

As shown in fig. 1, 2, 3 and 7, the device further comprises a driving device, wherein the driving device comprises a rotating main shaft 7, the lower cross beam 23 is positioned below the rotating main shaft 7, and the rotating main shaft 7 is driven by a motor. The riveting head die further comprises a main transmission mechanism, the main transmission mechanism comprises a main crank 71 connected with the main transmission shaft and a main connecting rod 72 arranged between the main crank 71 and the lower cross beam 23, and the main crank 71, the main connecting rod 72, the lower cross beam 23 and the frame jointly form a four-bar mechanism for driving the lower cross beam 23 and the upper cross beam 21 to integrally move up and down and driving the upper die 52 of the riveting head to move up and down. And a reset elastic piece 24 is further arranged between the lower cross beam 23 and the base 13, so that the upper die 52 of the rivet head can be stopped at a position far away from the lower die 51 of the rivet head in a shutdown state.

As shown in fig. 5-8, the rivet head module 5 further includes a jacking assembly 84 disposed between the rivet head lower mold 51 and the frame, the jacking assembly 84 includes an upper pushing block 842 and a lower pushing block 841, and the rivet head lower mold 51 is connected to the upper pushing block 842 and moves up and down along with the upper pushing block 842. The push-up block 842 and the push-down block 841 are stacked up and down, and the contact surface of the push-up block 842 and the push-down block 841 includes a push inclined surface.

The relative movement of the lower pushing block 841 and the upper pushing block 842 is converted into the up-and-down movement of the upper pushing block 842 relative to the lower pushing block 841 by pushing the inclined surface, and further pushes the lower die 51 of the rivet head to move up and down, and the rivet head operation of the lower end portion of the pin is completed. After the riveting is finished, the lower die 51 moves downwards along with the lower pushing block 841, and the lower die 51 is separated from the pin, so that the feeding operation of the chain 9 is facilitated.

As shown in fig. 5 to 9, the device further includes a driving assembly for driving the lower pushing block 841 and the upper pushing block 842 to move relatively, the driving assembly includes a guiding wheel 81 sleeved on the rotating spindle 7, and the guiding wheel 81 and the rotating spindle 7 rotate synchronously. The cylindrical surface of the guide wheel 81 is provided with a guide groove 811, the guide groove 811 is arranged in a closed loop around an axis, and the guide groove 811 comprises a spiral section 812.

As shown in fig. 5-9, the driving assembly further includes a driving arm 82, the driving arm 82 is slidably connected to the frame, and the sliding direction of the driving arm 82 is parallel to the axial direction of the guide wheel 81. The driving arm 82 is provided with a slider inserted into the guide groove 811, and the driving arm 82 is connected with the lower pushing block 841 and synchronously moves in the same direction.

The rotation of the guide wheel 81 is converted into the axial sliding of the driving arm 82 by the spiral section 812 of the guide groove 811, thereby pushing the lower pushing block 841 to move relative to the upper pushing block 842. The phase angles of the spiral sections 812 of the driving crank 321 and the guide groove 811 are reasonably set, so that the linkage between the jacking assembly 84 and the main transmission mechanism can be realized, and the riveting head upper die 52 and the riveting head lower die 51 are driven to move relatively together to complete the riveting head operation.

As shown in fig. 5-8, the rivet head module 5 further includes a positioning assembly, and the positioning assembly includes a positioning insertion plate 83 disposed at one side of the material conveying channel 14. The positioning insertion plate 83 and the lower pushing block 841 are arranged on the same side relative to the rivet head lower die 51, and the positioning insertion plate 83 is connected with the transmission arm 82 and synchronously moves in the same direction as the transmission arm 82. When the riveting head is operated, the positioning insertion plate 83 is inserted into and locks the corresponding chain link to relatively fix the local part of the chain 9, so that accurate positioning is realized, and the quality of the riveting head is ensured.

As shown in fig. 4, an adjusting device 25 is further disposed between the upper rivet head die 52 and the upper cross beam 21 for adjusting the relative position between the upper rivet head die 52 and the upper cross beam 21, so as to adapt to chains 9 of different specifications. The upper die 52 and the lower die 51 both comprise a rivet push rod 512, wherein when the hollow pin is pointed, the end of the rivet push rod 512 is sharpened.

As shown in fig. 5 and 6, the rivet head lower die 51 further includes a demolding assembly, the demolding assembly includes a top block 511, and the rivet head carrier rod 512 penetrates through the top block 511 and is connected with the top block 511 in a sliding manner. And a demoulding elastic part 513 is arranged between the top block 511 and the push-up block 842, when the rivet head is processed, the demoulding elastic part 513 is compressed, the rivet head push rod 512 moves upwards relative to the top block 511 and extends out of the top block 511 to rivet the pin, after the rivet head is completed, the demoulding elastic part 513 resets, the top block 511 moves upwards relative to the rivet head push rod 512, and the chain 9 is separated from the push rod.

As shown in fig. 2, 4 and 10, the rivet head die set further comprises a head exposing die set 6, wherein the head exposing die set 6 is arranged between the feeding end of the material conveying channel 14 and the rivet head die set 5; the outcrop module 6 comprises an outcrop upper die 62 and an outcrop lower die 61, and the conveying channel 14 penetrates through the outcrop upper die 62 and the outcrop lower die 61.

As shown in fig. 2 and 4, the outcropping upper die 62 is disposed on the upper beam 21 and moves up and down synchronously with the upper beam 21. The end-exposed module 6 is adopted to press the chain plate into the pin, so that the length of the pin extending out of the chain plate is ensured, namely, a certain end-exposed amount is controlled, and conditions are created for the subsequent riveting process. An adjusting device 25 is further arranged between the outcrop upper die 62 and the upper cross beam 21 and used for adjusting the relative position between the outcrop upper die 62 and the upper cross beam 21 so as to adjust the outcrop amount of the pin.

As shown in fig. 10, the outcrop upper die 62 and the outcrop lower die 61 both include outcrop blocks, the outcrop blocks are provided with avoiding grooves 63 corresponding to the pins, and openings of the avoiding grooves 63 are arranged towards the conveying passage 14. When the end-exposing operation is performed, the end-exposing block is in contact with the link plate and presses the pin to expose the end, and the exposed end of the pin extends into the avoiding groove 63.

As shown in fig. 1 and fig. 11, the chain machining device further comprises a feeding mechanism 4, wherein the feeding mechanism 4 comprises a feeding driving wheel 41 corresponding to the outlet end of the material conveying channel 14, the feeding driving wheel 41 is rotatably and movably connected with the frame, and the driving wheel is preferably a chain wheel matched with a chain to be machined.

As shown in fig. 1 and fig. 11, the feeding driving mechanism 3 is further included, and the feeding driving mechanism 3 drives the feeding driving wheel 41 to rotate intermittently in one direction relative to the machine frame. The feeding transmission mechanism 3 comprises a driving four-bar mechanism 32 linked with the rotating main shaft 7 and a driven four-bar mechanism 31 linked with the feeding driving wheel 41.

As shown in fig. 12-14, the active four-bar mechanism 32 includes an active crank 321, an active rocker 323, and an active connecting rod 322, the active crank 321 is connected to the rotating spindle 7 and rotates synchronously with the rotating spindle 7, the active rocker 323 is hinged to the frame, and the active connecting rod 322 is disposed between the active crank 321 and the active rocker 323.

As shown in fig. 12-14, the driven four-bar mechanism 31 includes a driven crank 311, a driven slider 313 and a driven connecting rod 312, the driven crank 311 corresponds to the feeding driving wheel 41, the driven slider 313 is slidably connected to the frame, and the driven connecting rod 312 is disposed between the driven crank 311 and the driven slider 313.

As shown in fig. 12-15, the feeding driving wheel 41 includes a central shaft rotating synchronously, and the driven crank 311 is sleeved on the central shaft and can rotate relative to the central shaft. A backstop component is arranged between the driven crank 311 and the feeding driving wheel 41, the backstop component comprises a ratchet wheel 42 which is coaxially arranged with the feeding driving wheel 41 and synchronously rotates, and a pawl 43 arranged on the driven crank 311, and the pawl 43 is matched with the ratchet wheel 42. The feeding transmission mechanism 3 drives the feeding driving wheel 41 to perform unidirectional intermittent transmission in a form of matching the ratchet wheel 42 and the pawl 43.

The driving rocker 323 and the driven sliding block 313 can be directly connected into an intermediate four-bar mechanism through a sliding block structure for transmission; or a split type mode can be adopted, the driving rocker 323 pushes the driven sliding block 313 to move in a single direction, and a return spring 314 is arranged between the driven sliding block 313 and the machine frame to drive the driven sliding block 313 to move in a reverse direction.

Due to the structural characteristics of the chain 9, the centre of rotation of the infeed drive wheel 41 and the centre of rotation of the rotary spindle 7 are perpendicular to each other. In order to realize the linkage of the feeding transmission mechanism 3 and the main transmission mechanism, the feeding transmission mechanism 3 needs to have a direction-changing function. The two four-bar mechanisms are matched with each other, so that the change of the motion direction is realized while the transmission reliability is ensured, and the linkage of the feeding transmission mechanism 3, the main transmission mechanism and the rotating main shaft 7 is realized.

The automation of feeding and riveting operation is realized through the driving device respectively, and the processing efficiency is improved. Meanwhile, the main transmission mechanism is linked with the feeding transmission mechanism 3, so that the automation degree is higher, the production coordination is better, and the product percent of pass is higher.

The chain riveting process at least comprises the following steps:

firstly, paving a chain to be riveted on a material conveying channel 14, relatively positioning the chain with a riveting head module 5 and an outcropping module 6, and effectively connecting the chain with a feeding driving wheel 41;

secondly, the upper cross beam 21 moves downwards, the upper die 52 moves downwards, the jacking assembly 84 pushes the lower die 51 to move upwards, and the positioning insertion plate 83 is inserted into the corresponding rivet chain link to complete the rivet operation of the current rivet chain link;

meanwhile, the outcrop upper die 62 and the outcrop lower die 61 are close to each other, and the outcrop operation of the current outcrop chain link is completed; at this time, the feeding driving wheel 41 does not rotate;

thirdly, the upper die 52 and the lower die are far away from each other, the upper die 62 and the lower die 61 are far away from each other, and the positioning insertion plate 83 is connected and withdrawn from the current rivet; the feed drive wheel 41 rotates and the next link enters the station;

and step four, repeating the step two to the step three until all subsequent chain links are processed.

In conclusion, the above description is only for the preferred embodiment of the present invention and should not be construed as limiting the present invention, and any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A chain riveter characterized in that includes at least:

2. The chain riveter of claim 1, characterized in that: the head exposing module is arranged between the feeding end of the material conveying channel and the rivet head module; the head exposing module comprises an upper head exposing die and a lower head exposing die, and the conveying channel penetrates through the upper head exposing die and the lower head exposing die; the main transmission mechanism pushes the exposure upper die and the exposure lower die to move relatively.

3. The chain riveter of claim 1, characterized in that: the lower die of the rivet head is arranged below the material conveying channel; the rivet head upper die is fixedly arranged on the upper cross beam; the main transmission mechanism pushes the upper cross beam to reciprocate along the vertical direction relative to the frame.

4. A chain riveter according to claim 3, wherein: the rotary main shaft is arranged below the material conveying channel; the lower cross beam is arranged below the workbench and connected with the upper cross beam and synchronously moves up and down; the main transmission mechanism comprises a main crank connected with the main transmission shaft and a main connecting rod arranged between the main crank and the lower cross beam, and the main crank, the main connecting rod, the lower cross beam and the rack form a four-bar mechanism together.

5. A chain riveting machine according to any one of claims 1-4, characterized in that: the feeding transmission mechanism comprises a driving four-bar mechanism linked with the rotating main shaft and a driven four-bar mechanism linked with the feeding driving wheel, wherein the driving four-bar mechanism comprises a driving crank and a driving rocker, and the driving crank is connected with the rotating main shaft and synchronously rotates along with the rotating main shaft; the driven four-bar mechanism comprises a driven crank and a driven sliding block, and the driven crank is connected with the feeding driving wheel and is in one-way transmission with the feeding driving wheel; the driven sliding block can slide relative to the frame under the pushing of the driving rocker.

6. The chain riveter of claim 5, characterized in that: the driven crank and the feeding driving wheel are coaxially arranged and can rotate relative to the feeding driving wheel; the feeding mechanism is characterized in that a stopping assembly is arranged between the driven crank and the feeding driving wheel, the stopping assembly comprises a ratchet wheel which is coaxially arranged with the feeding driving wheel and synchronously rotates, and a pawl arranged on the driven crank, and the pawl is matched with the ratchet wheel.

7. A chain riveting machine according to any one of claims 1-4, 6, characterized in that: the riveting head module also comprises a jacking assembly arranged between the riveting head lower die and the rack, the jacking assembly comprises an upper push block and a lower push block, and the riveting head lower die is connected with the upper push block and moves up and down along with the upper push block;

the upper pushing block and the lower pushing block are arranged in a vertically stacked mode, and the contact surfaces of the upper pushing block and the lower pushing block comprise pushing inclined surfaces; the device also comprises a driving component for driving the lower push block and the upper push block to move relatively.

8. The chain riveter of claim 7, wherein: the driving assembly comprises a guide wheel sleeved on the rotating main shaft, and the guide wheel and the rotating main shaft synchronously rotate; the cylindrical surface of the guide wheel is provided with a guide groove, the guide groove is arranged in a closed loop around an axis, and the guide groove comprises a spiral section;

the driving assembly further comprises a transmission arm, the transmission arm is connected with the rack in a sliding mode, and the sliding direction of the guide arm is parallel to the axial direction of the guide wheel; the transmission arm is provided with a sliding block inserted into the guide groove, and the transmission arm is connected with the lower pushing block and synchronously moves in the same direction.

9. The chain riveter of claim 8, wherein: the rivet head module also comprises a positioning assembly, and the positioning assembly comprises a positioning inserting plate arranged on one side of the material conveying channel; the positioning insertion plate is connected with the transmission arm and synchronously moves in the same direction as the transmission arm.

10. A chainriveting process, characterized in that a chainriveting machine according to any of claims 1-9 is used, comprising at least the following steps: