CN216176379U

CN216176379U - Chain pin shaft retainer ring squeeze riveter

Info

Publication number: CN216176379U
Application number: CN202122115555.9U
Authority: CN
Inventors: 曹浙山; 徐艳双; 郑金波; 黄奕; 刘志红
Original assignee: Jiangshan Yongli Lily Industrial Co ltd
Current assignee: Jiangshan Yongli Lily Industrial Co ltd
Priority date: 2021-09-02
Filing date: 2021-09-02
Publication date: 2022-04-05
Anticipated expiration: 2031-09-02

Abstract

The utility model discloses a chain pin shaft retainer ring riveting press, which comprises a slide rail, a tool assembly, an upper platen and a lower platen, wherein the bottom of the slide rail is connected with a plurality of rotating rollers for driving the tool assembly to move along the slide rail; the upper pressing plate and the lower pressing plate are respectively positioned at the upper side and the lower side of the sliding rail, the lower pressing plate is correspondingly arranged below the upper pressing plate, a through groove is formed in the sliding rail, the upper end of the lower pressing plate penetrates through the through groove, and the upper end of the lower pressing plate is higher than the bottom of the sliding rail; be provided with annular indent on the circumferencial direction of going up the pressure disk, the cross section of annular indent is trapezoidal, is provided with the locating hole that a plurality of is used for placing the round pin axle on the frock assembly. The riveting device is very simple to operate, can rivet a plurality of pin shafts at one time, and is high in riveting speed and high in riveting efficiency.

Description

Chain pin shaft retainer ring squeeze riveter

Technical Field

The utility model relates to a squeeze riveter, in particular to a squeeze riveter for a chain pin shaft check ring.

Background

The existing chain generally comprises an outer chain plate, an inner chain plate, a pin shaft and a sleeve, wherein a check ring is fixed at one end of the pin shaft, the check ring plays an axial limiting role on the pin shaft, and the other end of the pin shaft is limited through a split pin. The existing check ring needs to be fixed to one end of the pin shaft through a squeeze riveter.

The existing squeeze riveter has the problems of complex operation and low squeeze riveting efficiency when squeezing and riveting the pin shaft and the check ring.

Disclosure of Invention

The utility model aims to solve the problems of complex operation and low riveting efficiency when the conventional riveting press is used for riveting a pin shaft and a check ring, and provides the riveting press for the check ring of the chain pin shaft, which can effectively solve the problems.

The purpose of the utility model is realized by the following technical scheme: a chain pin shaft retainer ring squeeze riveter comprises a slide rail, a tool assembly, an upper pressure plate and a lower pressure plate, wherein the bottom of the slide rail is connected with a plurality of rotating rollers for driving the tool assembly to move along the slide rail; the upper pressing plate and the lower pressing plate are respectively positioned at the upper side and the lower side of the sliding rail, the lower pressing plate is correspondingly arranged below the upper pressing plate, a through groove is formed in the sliding rail, the upper end of the lower pressing plate penetrates through the through groove, and the upper end of the lower pressing plate is higher than the bottom of the sliding rail; be provided with annular indent on the circumferencial direction of going up the pressure disk, the cross section of annular indent is trapezoidal, is provided with the locating hole that a plurality of is used for placing the round pin axle on the frock assembly.

In the utility model, the upper pressure plate and the lower pressure plate are respectively connected with the motor, and the upper pressure plate and the lower pressure plate rotate under the driving of the motor. The rotation speed of the upper pressure plate is the same as that of the lower pressure plate, and the rotation directions are opposite. The rotating rollers arranged at the bottom of the sliding rail are also driven by the motor, each rotating roller is driven by the motor to rotate at the same speed and in the same direction, and when the tool assembly is placed on the sliding rail, the tool assembly moves along the sliding rail under the driving of the rotating rollers. When rivet the pressure to round pin axle and retaining ring, put into each locating hole on the frock assembly respectively earlier the round pin axle, and overlap the retaining ring in the upper end of round pin axle respectively, then the one end at the slide rail is placed to the frock assembly that will place the round pin axle, the frock assembly can remove along the slide rail under the drive of live-rollers, when the round pin axle passes through between last pressure disk and the lower pressure disk, the upper end of round pin axle can get into in the annular indent, the upper end of round pin axle can be extruded deformation under the pressure effect of last pressure disk, thereby with the upper end of round pin axle riveting, afterwards, the frock assembly continues to remove along the slide rail and remove to the other end of slide rail, the round pin axle that will press the riveting to accomplish at last takes off from the frock assembly can. The riveting device is very simple to operate, can rivet a plurality of pin shafts at one time, and is high in riveting speed and high in riveting efficiency.

Preferably, the cross-section of the pilot hole is circular.

Preferably, the cross section of the sliding rail is U-shaped.

Preferably, the tool assembly comprises a base, wherein a mounting groove is formed in the base, one side wall of the mounting groove is an inclined abutting surface, a positioning block is arranged in the mounting groove, the positioning hole is formed in the positioning block, and a second spring is arranged between the positioning block and the inclined abutting surface; a movable block is connected in the positioning hole in a sliding manner, a spring groove is formed in the bottom of the positioning hole, a lower limiting surface is formed between the spring groove and the positioning hole, and a first spring is arranged between the movable block and the bottom of the spring groove; a first piston cavity is formed in the outer side surface of the base, a first piston is arranged in the first piston cavity, a first cavity is formed between the first piston and the bottom of the first piston cavity, a sliding block is connected onto the first piston, one end of the sliding block extends out of the outer side surface of the base, and the side surface of the sliding rail is rotatably connected with a roller corresponding to the sliding block; a second piston cavity is arranged on the side wall, opposite to the inclined abutting surface, in the mounting groove, a second piston is arranged in the second piston cavity, a second cavity is formed between the second piston and the bottom of the second piston cavity, a push rod is connected to the second piston, the push rod is connected to the second piston cavity in a sliding mode, and the front end of the push rod is in contact with the positioning block; the first cavity and the second cavity are connected through a first connecting channel; a third piston cavity is formed in the outer side surface, close to the inclined abutting surface, of the positioning block, a third piston is arranged in the third piston cavity, a third cavity is formed between the third piston and the bottom of the third piston cavity, a pressing rod is connected to one side, close to the inclined abutting surface, of the third piston, and the front end of the pressing rod extends out of the outer side surface of the positioning block; a fourth piston cavity is formed in the inner wall of the lower end of the positioning hole, a sealing plate is arranged at one end of the fourth piston cavity, a guide hole is formed in the sealing plate, a fourth piston is arranged in the fourth piston cavity, a fourth cavity is formed between the fourth piston and the sealing plate, and a third spring is arranged between the fourth piston and the bottom of the fourth piston cavity; the fourth piston is connected with a telescopic rod, the telescopic rod penetrates through the guide hole, and a clamping groove matched with the telescopic rod is formed in the side face of the movable block; the third cavity and the fourth cavity are connected through a second connecting channel; liquid media are filled in the first cavity, the second cavity, the third cavity and the fourth cavity; a material receiving box is arranged on one side of the outside of the sliding rail, which is close to the roller. The roller protrudes out of the inner side wall of the slide rail. Considering that the pin shaft is still positioned on the tool assembly after the press riveting is finished, the manual blanking is troublesome; according to the automatic blanking device, the tool assembly can realize the automatic blanking function, so that the problem that manual blanking is troublesome is solved. When the upper pressing disc presses and rivets the pin shaft on the tool assembly, the pin shaft is pressed downwards by the upper pressing disc, and the pin shaft and the movable block move towards the bottom of the positioning hole until the movable block is contacted with the lower limiting surface; at the moment, the front end of the telescopic rod can be clamped into the clamping groove on the side face of the movable block, the movable block is locked at the position of the bottom of the positioning hole, and the spring is in an energy storage state; when the tool assembly passes through the upper pressing disc and the lower pressing disc, the tool assembly can move to the position of the roller, and the roller protrudes out of the inner side wall of the sliding rail, so that when the tool assembly passes through the position of the roller, the roller abuts against the sliding block and pushes the sliding block to move towards the bottom of the first piston cavity, the first piston is driven to move, the volume of the first cavity is reduced, a liquid medium in the first cavity enters the second cavity through the first connecting channel, the ejector rod is driven to extend towards the positioning block, the positioning block inclines towards the direction of the inclined abutting surface under the pushing action of the ejector rod, one side of the positioning block is contacted with the inclined abutting surface, in the process, the pressing rod drives the third piston to move towards the bottom of the third piston cavity, the volume of the third cavity is reduced, the liquid medium in the third cavity enters the fourth cavity through the second connecting channel, the fourth piston and the telescopic rod are driven to move towards the direction far away from the movable block, the front end of the telescopic rod is separated from the clamping groove, the spring releases energy at the moment, the movable block is bounced, the pin shaft is bounced out of the positioning hole, and the pin shaft just can fall into the material receiving box after being bounced out of the positioning hole due to the fact that the positioning block inclines towards the direction of the material receiving box, and therefore automatic blanking of the pin shaft is achieved; when the tool assembly is far away from the roller, the positioning block can be restored to the initial position state under the action of the second spring.

Preferably, the liquid medium is hydraulic oil.

Preferably, a sealing ring is embedded on the inner wall of the guide hole and is in sealing fit with the telescopic rod.

Preferably, one end of the telescopic rod, which is close to the movable block, is wedge-shaped.

Preferably, the first piston and the second piston are both made of rubber.

Preferably, the locating block is made of high carbon steel.

The utility model has the beneficial effects that: the riveting device is very simple to operate, can rivet a plurality of pin shafts at one time, and is high in riveting speed and high in riveting efficiency.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the upper platen.

Fig. 3 is a top view of the slide rail.

FIG. 4 is a top view of the tooling assembly.

Fig. 5 is a sectional view taken along the line a-a in fig. 4.

Fig. 6 is an enlarged view of a portion B in fig. 5.

Fig. 7 is a schematic structural view of the pin shaft and the retainer ring before caulking.

Fig. 8 is a schematic structural view of the pin shaft and the retainer ring after press riveting.

In the figure: 1. the automatic sealing device comprises an upper pressure plate, 2, a lower pressure plate, 3, a sliding rail, 4, a rotating rod, 5, a material receiving box, 6, a roller, 7, a tool assembly, 8, a pin shaft, 9, a retainer ring, 10, an annular pressure groove, 11, a through groove, 12, a base, 13, a positioning block, 14, a positioning hole, 15, a mounting groove, 16, an inclined abutting surface, 17, a movable block, 18, a spring groove, 19, a first spring, 20, a first piston, 21, a sliding block, 22, a first cavity, 23, a second piston, 24, a second cavity, 25, a push rod, 26, a first connecting channel, 27, a second spring, 28, a third piston, 29, a third cavity, 30, a pressure rod, 31, a sealing plate, 32, a fourth piston, 33, a fourth cavity, 34, a telescopic rod, 35, a third spring, 36, a sealing ring, 37, a second connecting channel, 38 and a clamping groove.

Detailed Description

The utility model is further described by the following detailed description in conjunction with the accompanying drawings.

Example 1:

as shown in fig. 1 to 8, a chain pin shaft retainer ring squeeze riveter comprises a slide rail 3, a tool assembly 7, an upper pressure plate 1 and a lower pressure plate 2. The cross section of the slide rail 3 is U-shaped. The bottom of slide rail 3 is connected with a plurality of and is used for driving frock assembly and follow the live-rollers 4 of slide rail removal, and live-rollers 4 arranges the setting along the length direction of slide rail 3. The rotating rollers 4 arranged at the bottom of the slide rail are driven by a motor, each rotating roller 4 is driven by the motor to rotate at the same speed and in the same direction, and when the tool assembly 7 is placed on the slide rail 3, the tool assembly 7 moves along the slide rail 3 under the drive of the rotating rollers. Go up pressure disk 1 and holding down plate 2 and be located the upper and lower both sides of slide rail 3 respectively, holding down plate 2 corresponds the setting in the below of last pressure disk 1, is provided with logical groove 11 on the slide rail 3, and logical groove is passed to the upper end of holding down plate 2, and the upper end of holding down plate 2 is higher than the bottom of slide rail 3. An annular pressure groove 10 is arranged in the circumferential direction of the upper pressure plate 1, and the cross section of the annular pressure groove 10 is trapezoidal. The upper pressure plate 1 and the lower pressure plate 2 are both made of manganese steel. The upper pressure plate 1 and the lower pressure plate 2 are respectively connected with a motor, and the upper pressure plate 1 and the lower pressure plate 2 are driven by the motor to rotate. The upper pressure plate 1 and the lower pressure plate 2 rotate at the same speed and in opposite directions.

The tool assembly 7 comprises a base 12, wherein a mounting groove 15 is formed in the base 12, and one side wall of the mounting groove 15 is an inclined abutting surface 16. A positioning block 13 is arranged in the mounting groove 15, and the positioning block 13 is made of high-carbon steel. The positioning block 13 is provided with a plurality of positioning holes 14 for placing the pin shaft 8. The cross-section of the positioning hole 14 is circular. The positioning holes 14 are arranged along a straight line. The positioning hole 14 is connected with a movable block 17 in a sliding mode, and the movable block 17 can move up and down along the positioning hole 14. The bottom of the positioning hole 14 is provided with a spring groove 18, and a lower limiting surface is formed between the spring groove 18 and the positioning hole 14. A first spring 19 is arranged between the movable block and the bottom of the spring groove. A second spring 27 is arranged between the positioning block 13 and the inclined abutting surface 16. The positioning block 13 is maintained in a vertical state in the mounting groove 15 by the second spring 27. A first piston cavity is arranged on the outer side surface of the base 12, a first piston 20 is arranged in the first piston cavity, and a first cavity 22 is formed between the first piston 20 and the bottom of the first piston cavity. A slide block 21 is connected to the first piston 20, and one end of the slide block 21 extends out of the outer side surface of the base 12. The side surface of the slide rail 3 is rotatably connected with a roller 6 corresponding to the slide block 21. The roller 6 protrudes from the inner side wall of the slide rail 3. A second piston cavity is formed in the side wall, opposite to the inclined abutting surface, of the mounting groove 15, a second piston 23 is arranged in the second piston cavity, a second cavity 24 is formed between the second piston 23 and the bottom of the second piston cavity, a push rod 25 is connected to the second piston 23, the push rod 25 is connected to the second piston cavity in a sliding mode, and the front end of the push rod 25 is in contact with the positioning block 13. The first chamber 22 and the second chamber 24 are connected by a first connecting passage 26. A third piston cavity is arranged on the outer side surface of the positioning block 13 close to the inclined abutting surface 16, a third piston 28 is arranged in the third piston cavity, a third cavity 29 is formed between the third piston 28 and the bottom of the third piston cavity, a pressure rod 30 is connected to one side of the third piston 28 close to the inclined abutting surface 16, and the front end of the pressure rod 30 extends out of the outer side surface of the positioning block 13. A fourth piston cavity is arranged on the inner wall of the lower end of the positioning hole 13, a sealing plate 31 is arranged at one end of the fourth piston cavity, a guide hole is formed in the sealing plate 31, a fourth piston 32 is arranged in the fourth piston cavity, a fourth cavity 33 is formed between the fourth piston 32 and the sealing plate 31, and a third spring 35 is arranged between the fourth piston 32 and the bottom of the fourth piston cavity. An extension rod 34 is connected to the fourth piston 32, and the extension rod 34 passes through the guide hole. And a sealing ring 36 is embedded on the inner wall of the guide hole, and the sealing ring 36 is in sealing fit with the telescopic rod 34. The side of the movable block 17 is provided with a slot 38 matched with the telescopic rod 34. The end of the telescopic rod 34 close to the movable block 17 is wedge-shaped. The third chamber 29 and the fourth chamber 33 are connected by a second connecting passage 37. The first cavity 22, the second cavity 24, the third cavity 29 and the fourth cavity 33 are filled with liquid media. The liquid medium is hydraulic oil. A material receiving box 5 is arranged on one side of the sliding rail 3 close to the roller 6. The first piston and the second piston are both made of rubber.

When the pin shaft 8 and the check ring 9 are subjected to pressure riveting, the pin shaft is firstly respectively placed into each positioning hole on the tool assembly, the check ring is respectively sleeved at the upper end of the pin shaft, then the tool assembly with the pin shaft is placed at one end of the slide rail, the tool assembly can move along the slide rail under the driving of the rotating roller, when the pin shaft passes through the space between the upper pressing disc and the lower pressing disc, the upper end of the pin shaft can enter the annular pressing groove, the upper end of the pin shaft can be extruded and deformed under the pressure action of the upper pressing disc, so that the check ring is riveted at the upper end of the pin shaft, then the tool assembly continues to move along the slide rail and moves to the other end of the slide rail, and finally the pin shaft subjected to pressure riveting is taken down from the tool assembly. Considering that the pin shaft is still positioned on the tool assembly after the press riveting is finished, the manual blanking is troublesome; according to the automatic blanking device, the tool assembly can realize the automatic blanking function, so that the problem that manual blanking is troublesome is solved. When the upper pressing disc presses and rivets the pin shaft on the tool assembly, the pin shaft is pressed downwards by the upper pressing disc, and the pin shaft and the movable block move towards the bottom of the positioning hole until the movable block is contacted with the lower limiting surface; at the moment, the front end of the telescopic rod can be clamped into the clamping groove on the side face of the movable block, the movable block is locked at the position of the bottom of the positioning hole, and the spring is in an energy storage state; when the tool assembly passes through the upper pressing disc and the lower pressing disc, the tool assembly can move to the position of the roller, and the roller protrudes out of the inner side wall of the sliding rail, so that when the tool assembly passes through the position of the roller, the roller abuts against the sliding block and pushes the sliding block to move towards the bottom of the first piston cavity, the first piston is driven to move, the volume of the first cavity is reduced, a liquid medium in the first cavity enters the second cavity through the first connecting channel, the ejector rod is driven to extend towards the positioning block, the positioning block inclines towards the direction of the inclined abutting surface under the pushing action of the ejector rod, one side of the positioning block is contacted with the inclined abutting surface, in the process, the pressing rod drives the third piston to move towards the bottom of the third piston cavity, the volume of the third cavity is reduced, the liquid medium in the third cavity enters the fourth cavity through the second connecting channel, the fourth piston and the telescopic rod are driven to move towards the direction far away from the movable block, the front end of the telescopic rod is separated from the clamping groove, the spring releases energy at the moment, the movable block is bounced, the pin shaft is bounced out of the positioning hole, and the pin shaft just can fall into the material receiving box after being bounced out of the positioning hole due to the fact that the positioning block inclines towards the direction of the material receiving box, and therefore automatic blanking of the pin shaft is achieved; when the tool assembly is far away from the roller, the positioning block can be restored to the initial position state under the action of the second spring. The riveting device is very simple to operate, can rivet a plurality of pin shafts at one time, and is high in riveting speed and high in riveting efficiency.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a chain round pin axle retaining ring squeeze riveter, characterized by: the device comprises a slide rail, a tool assembly, an upper platen and a lower platen, wherein the bottom of the slide rail is connected with a plurality of rotating rollers for driving the tool assembly to move along the slide rail; the upper pressing plate and the lower pressing plate are respectively positioned at the upper side and the lower side of the sliding rail, the lower pressing plate is correspondingly arranged below the upper pressing plate, a through groove is formed in the sliding rail, the upper end of the lower pressing plate penetrates through the through groove, and the upper end of the lower pressing plate is higher than the bottom of the sliding rail; be provided with annular indent on the circumferencial direction of going up the pressure disk, the cross section of annular indent is trapezoidal, is provided with the locating hole that a plurality of is used for placing the round pin axle on the frock assembly.

2. The chain pin shaft retainer squeeze riveter of claim 1, wherein the cross section of the positioning hole is circular.

3. The chain pin shaft check ring squeeze riveter of claim 1, wherein the cross section of the slide rail is "U" shaped.

4. The squeeze riveter for the retainer ring of the chain pin shaft according to claim 1, 2 or 3, wherein the tool assembly comprises a base, a mounting groove is arranged on the base, one side wall of the mounting groove is an oblique abutting surface, a positioning block is arranged in the mounting groove, a positioning hole is arranged on the positioning block, and a second spring is arranged between the positioning block and the oblique abutting surface; a movable block is connected in the positioning hole in a sliding manner, a spring groove is formed in the bottom of the positioning hole, a lower limiting surface is formed between the spring groove and the positioning hole, and a first spring is arranged between the movable block and the bottom of the spring groove; a first piston cavity is formed in the outer side surface of the base, a first piston is arranged in the first piston cavity, a first cavity is formed between the first piston and the bottom of the first piston cavity, a sliding block is connected onto the first piston, one end of the sliding block extends out of the outer side surface of the base, and the side surface of the sliding rail is rotatably connected with a roller corresponding to the sliding block; a second piston cavity is arranged on the side wall, opposite to the inclined abutting surface, in the mounting groove, a second piston is arranged in the second piston cavity, a second cavity is formed between the second piston and the bottom of the second piston cavity, a push rod is connected to the second piston, the push rod is connected to the second piston cavity in a sliding mode, and the front end of the push rod is in contact with the positioning block; the first cavity and the second cavity are connected through a first connecting channel; a third piston cavity is formed in the outer side surface, close to the inclined abutting surface, of the positioning block, a third piston is arranged in the third piston cavity, a third cavity is formed between the third piston and the bottom of the third piston cavity, a pressing rod is connected to one side, close to the inclined abutting surface, of the third piston, and the front end of the pressing rod extends out of the outer side surface of the positioning block; a fourth piston cavity is formed in the inner wall of the lower end of the positioning hole, a sealing plate is arranged at one end of the fourth piston cavity, a guide hole is formed in the sealing plate, a fourth piston is arranged in the fourth piston cavity, a fourth cavity is formed between the fourth piston and the sealing plate, and a third spring is arranged between the fourth piston and the bottom of the fourth piston cavity; the fourth piston is connected with a telescopic rod, the telescopic rod penetrates through the guide hole, and a clamping groove matched with the telescopic rod is formed in the side face of the movable block; the third cavity and the fourth cavity are connected through a second connecting channel; liquid media are filled in the first cavity, the second cavity, the third cavity and the fourth cavity; a material receiving box is arranged on one side of the outside of the sliding rail, which is close to the roller.

5. The chain pin shaft check ring squeeze riveter of claim 4, wherein the liquid medium is hydraulic oil.

6. The chain pin shaft retainer ring squeeze riveter as recited in claim 4, wherein the inner wall of the guide hole is embedded with a sealing ring, and the sealing ring is in sealing engagement with the telescopic rod.

7. The chain pin shaft retainer squeeze riveter of claim 4 wherein the first piston and the second piston are both made of rubber.

8. The chain pin shaft retainer squeeze riveter of claim 4, wherein the locating block is made of high carbon steel.