CN216656219U

CN216656219U - Chain processing round pin axle riveting mechanism

Info

Publication number: CN216656219U
Application number: CN202123137277.3U
Authority: CN
Inventors: 苏同林
Original assignee: Qingdao Jinlong Xiangfei Industry And Trade Co ltd
Current assignee: Qingdao Jinlong Xiangfei Industry And Trade Co ltd
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-06-03
Anticipated expiration: 2031-12-14

Abstract

The utility model relates to the technical field of chain machining and discloses a chain machining pin shaft riveting mechanism which comprises a base, wherein a box body and electric push rods are installed at the top of the base, the electric push rods are symmetrically distributed on two sides of the box body, the pushing ends of the two electric push rods face upwards and are provided with top plates, air cylinders are installed in the middle of the top plates, the pushing ends of the air cylinders face downwards and are provided with flat plates, and two symmetrically distributed stamping heads are installed at the bottoms of the flat plates. When the riveting device is used, the pin shaft is assembled at the top end of the shaft sleeve, then the shaft sleeve is arranged in the positioning groove at the top of the box body, the shaft sleeve is clamped by the peripheral clamping plates and the second clamping plate, the stable placement of the shaft sleeve is realized, the flat plate and the punching head are driven to move downwards by the air cylinder, the punching head is used for punching the top end of the pin shaft, the pin shaft is punched into the shaft sleeve, the riveting operation is realized, the riveting stability is favorably improved, the riveting failure caused by the toppling of a chain is avoided, and the production yield is improved.

Description

Chain processing round pin axle riveting mechanism

Technical Field

The utility model relates to the technical field of chain processing, in particular to a chain processing pin shaft riveting mechanism.

Background

The chain is widely used in production and manufacture as a metal chain used for mechanical transmission and traction. After the chain is assembled, the pin shaft needs to be riveted. Traditional riveting mode is cold stamping or cold punch press, though can reach the effect of riveting, but the riveting is stabilized to the chain to this kind of mode is inconvenient, and the chain axle sleeve is emptyd easily and is leaded to the riveting failure, and the qualification rate remains to be improved, for this reason, we provide a chain processing round pin axle and rivet flat mechanism.

SUMMERY OF THE UTILITY MODEL

In view of the above problems in the prior art, the utility model provides a chain processing pin shaft riveting mechanism.

In order to achieve the purpose, the chain processing pin shaft riveting mechanism provided by the utility model comprises a base, wherein a box body and electric push rods are installed at the top of the base, the electric push rods are symmetrically distributed on two sides of the box body, the pushing ends of the two electric push rods face upwards and are provided with top plates, an air cylinder is installed in the middle of each top plate, the pushing end of the air cylinder faces downwards and is provided with a flat plate, and two symmetrically distributed punching heads are installed at the bottom of each flat plate;

the novel multifunctional box is characterized in that a shaft sleeve is placed in the middle of the upper surface of the box body, a pin shaft is inserted in the top end of the shaft sleeve, two first baffles and two second baffles are arranged on the upper surface of the box body in a sliding mode, the two first baffles are symmetrically distributed on the left side and the right side of the shaft sleeve, the two second baffles are symmetrically distributed on the front side and the rear side of the shaft sleeve, one side, close to the shaft sleeve, of each first baffle and one side, close to the shaft sleeve, of each second baffle are respectively provided with a first clamping plate and a second clamping plate, the other sides of the first clamping plate and the second clamping plate are tightly attached to the periphery of the shaft sleeve, four elastic mechanisms are arranged inside the box body, the four elastic mechanisms are respectively arranged below the two first baffles and the two second baffles, and the bottom ends of the first baffle and the second baffle are respectively in transmission fit with the adjacent elastic mechanisms.

Preferably, the take-up mechanism includes fixed plate, dead lever, backing ring, slider, spring, the upper surface at the box body inner chamber is installed to the fixed plate, the bottom fixed connection of the one end of dead lever and fixed plate, the other end of dead lever and the lateral wall fixed connection of box body, backing ring, slider and spring all slide to cup joint on the dead lever, the slider is installed in one side that the backing ring is close to the fixed plate, spring mounting is at the opposite side of backing ring, the other end of spring and the lateral wall fixed connection of box body, the top of slider upwards extend and with the bottom fixed connection of a baffle, the top sliding connection of slider and box body.

Preferably, the top of box body has seted up the spout, the spout sets up directly over the take-up unit, the top of slider inserts in the spout, and with the inner wall sliding connection of spout.

Preferably, the middle part of the upper surface of the box body is provided with a positioning groove matched with the shaft sleeve, and the bottom end of the shaft sleeve is inserted into the positioning groove.

Preferably, the top ends of the first clamping plate and the second clamping plate are both designed to be inclined surfaces, and the inclined surfaces face to one side of the shaft sleeve.

Preferably, the briquetting is all installed around dull and stereotyped bottom, the bottom of briquetting is provided with the ball and is located the domatic top of splint, No. two splint.

Compared with the prior art, the chain processing pin shaft riveting mechanism provided by the utility model has the following beneficial effects:

when the riveting device is used, the pin shaft is assembled at the top end of the shaft sleeve, then the shaft sleeve is arranged in the positioning groove at the top of the box body, the shaft sleeve is clamped by the first clamping plate and the second clamping plate at the periphery, stable placement of the shaft sleeve is realized, the flat plate and the punching head are driven to move downwards by the air cylinder, the punching head is used for punching the top end of the pin shaft, the pin shaft is punched into the shaft sleeve, riveting operation is realized, riveting stability is improved, riveting failure caused by falling of a chain is avoided, and therefore the production yield is improved.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the cartridge of the present invention;

FIG. 3 is a schematic view of the release mechanism of FIG. 2 according to the present invention;

FIG. 4 is a schematic top view of the case according to the present invention;

FIG. 5 is a schematic bottom structure of the flat plate of the present invention.

In the figure: 1. a base; 2. a box body; 3. an electric push rod; 4. a top plate; 5. a cylinder; 6. a flat plate; 7. Punching a head; 8. a shaft sleeve; 9. a pin shaft; 10. a first baffle plate; 11. a second baffle plate; 12. a first clamping plate; 13. a tightening mechanism; 131. a fixing plate; 132. fixing the rod; 133. a backing ring; 134. a slider; 135. A spring; 14. a chute; 15. positioning a groove; 16. briquetting; 17. and a second splint.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more clear, the technical solutions of the embodiments of the present disclosure will be described below clearly and completely with reference to the accompanying drawings of the embodiments of the present disclosure.

The structures, proportions, sizes, and other dimensions shown in the drawings and described in the specification are for understanding and reading the present disclosure, and are not intended to limit the scope of the present disclosure, which is defined in the claims, and are not essential to the art, and any structural modifications, changes in proportions, or adjustments in size, which do not affect the efficacy and attainment of the same are intended to fall within the scope of the present disclosure. In addition, the terms such as "upper", "lower", "left", "right" and "middle" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and changes or modifications of the relative relationship may be made without substantial technical changes.

Referring to fig. 1-5, a chain processing pin shaft riveting mechanism comprises a base 1, a box body 2 and electric push rods 3 are mounted at the top of the base 1, the electric push rods 3 are symmetrically distributed at two sides of the box body 2, the push ends of the two electric push rods 3 face upwards and are provided with top plates 4, an air cylinder 5 is mounted in the middle of each top plate 4, the push end of each air cylinder 5 faces downwards and is provided with a flat plate 6, and two symmetrically distributed stamping heads 7 are mounted at the bottom of each flat plate 6;

axle sleeve 8 has been placed at the middle part of 2 upper surfaces of box body, axle sleeve 8's top is pegged graft and is had round pin axle 9, box body 2's last surface sliding is provided with No. two baffles 10 and No. two baffles 11, No. two baffles 10 symmetric distribution are in the left and right sides of axle sleeve 8, No. two baffles 11 symmetric distribution are both sides around axle sleeve 8, No. one splint 12 and No. two splint 17 are installed respectively to one side that No. one baffle 10 and No. two baffles 11 are close to axle sleeve 8, No. one splint 12, No. two splint 17's opposite side is hugged closely with the periphery of axle sleeve 8 mutually, box body 2's inside is provided with four straining device 13, four straining device 13 set up respectively in the below of No. two baffles 10 and No. two baffles 11, and No. one baffle 10, No. two baffles 11's bottom respectively with adjacent straining device 13 transmission fit.

The elastic mechanism 13 comprises a fixed plate 131, a fixed rod 132, a backing ring 133, a slider 134 and a spring 135, the fixed plate 131 is arranged on the upper surface of the inner cavity of the box body 2, one end of the fixed rod 132 is fixedly connected with the bottom end of the fixed plate 131, the other end of the fixed rod 132 is fixedly connected with the side wall of the box body 2, the backing ring 133, the slider 134 and the spring 135 are all slidably sleeved on the fixed rod 132, the slider 134 is arranged on one side of the backing ring 133 close to the fixed plate 131, the spring 135 is arranged on the other side of the backing ring 133, the other end of the spring 135 is fixedly connected with the side wall of the box body 2, the top end of the slider 134 extends upwards and is fixedly connected with the bottom of the first baffle 10, the slider 134 is slidably connected with the top of the box body 2, the backing ring 133 is driven by the slider 134 to horizontally slide, so that the spring 135 is extruded and deformed, and by the elastic deformation of the spring 135, the slider 134 can drive the first baffle 10 or the second baffle 11 to horizontally slide, the shaft sleeve 8 is clamped conveniently, so that the stability of the shaft sleeve 8 is improved.

The top of the box body 2 is provided with a sliding groove 14, the sliding groove 14 is arranged right above the tightening mechanism 13, and the top end of the sliding block 134 is inserted into the sliding groove 14 and is in sliding connection with the inner wall of the sliding groove 14, so that the sliding block 134 can slide horizontally.

The constant head tank 15 with 8 looks adaptations of axle sleeve is seted up at the middle part of 2 upper surfaces of box body, and the bottom of axle sleeve 8 is inserted in constant head tank 15, and the stability of the axle sleeve 8 of being convenient for is placed.

No. one splint 12 and No. two splint 17's top is the inclined plane design, and domatic one side towards axle sleeve 8, briquetting 16 is all installed all around to dull and stereotyped 6 bottom, briquetting 16's bottom is provided with the ball and is located splint 12 No. two, No. two splint 17's domatic top, when cylinder 5 drives dull and stereotyped 6 lapse, briquetting 16's bottom contacts splint 12 and No. two splint 17 domatic earlier, make briquetting 16 with splint 12 and No. two splint 17 outside extrusion, drive baffle 10 and No. two baffle 11 and move along spout 14 outside then, be convenient for fully impress round pin axle 9 in the axle sleeve 8, also convenient stable riveting.

When the riveting device is used, after the pin shaft 9 is assembled at the top end of the shaft sleeve 8, the shaft sleeve 8 is arranged in the positioning groove 15 at the top of the box body 2, the shaft sleeve 8 is clamped tightly by the first clamping plate 12 and the second clamping plate 17 at the periphery, stable placement of the shaft sleeve 8 is realized, the flat plate 6 and the punching head 7 are driven to move downwards through the air cylinder 5, the punching head 7 is enabled to punch the top end of the pin shaft 9, the pin shaft 9 is enabled to enter the shaft sleeve 8 in a punching mode, riveting operation is realized, riveting stability is improved, chain toppling and riveting failure are avoided, production yield is improved, the whole structure is simple, operation is convenient, wide market prospect is achieved, and popularization is facilitated.

The above description is only an exemplary embodiment of the present invention, and is not intended to limit the present invention, the scope of which is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present invention, and such modifications and equivalents should also be considered as falling within the scope of the present invention.

Claims

1. The chain processing pin shaft riveting mechanism comprises a base (1) and is characterized in that a box body (2) and electric push rods (3) are mounted at the top of the base (1), the electric push rods (3) are symmetrically distributed on two sides of the box body (2), the pushing ends of the two electric push rods (3) face upwards and are provided with top plates (4), an air cylinder (5) is mounted in the middle of each top plate (4), the pushing end of the air cylinder (5) faces downwards and is provided with a flat plate (6), and two symmetrically distributed stamping heads (7) are mounted at the bottom of each flat plate (6);

the middle part of the upper surface of the box body (2) is provided with a shaft sleeve (8), the top end of the shaft sleeve (8) is inserted with a pin shaft (9), the upper surface of the box body (2) is provided with two first baffles (10) and two second baffles (11) in a sliding way, the two first baffles (10) are symmetrically distributed at the left side and the right side of the shaft sleeve (8), the two second baffles (11) are symmetrically distributed at the front side and the rear side of the shaft sleeve (8), one sides of the first baffles (10) and the second baffles (11) close to the shaft sleeve (8) are respectively provided with a first clamping plate (12) and a second clamping plate (17), the other sides of the first clamping plate (12) and the second clamping plate (17) are tightly attached to the periphery of the shaft sleeve (8), the inside of the box body (2) is provided with four elastic mechanisms (13), and the four elastic mechanisms (13) are respectively arranged below the two first baffles (10) and the two second baffles (11), and the bottom ends of the first baffle (10) and the second baffle (11) are respectively in transmission fit with the adjacent tightening mechanisms (13).

2. The chain processing pin shaft riveting mechanism as claimed in claim 1, wherein the tightening mechanism (13) comprises a fixed plate (131), a fixed rod (132), a backing ring (133), a slider (134) and a spring (135), the fixed plate (131) is installed on the upper surface of the inner cavity of the box body (2), one end of the fixed rod (132) is fixedly connected with the bottom end of the fixed plate (131), the other end of the fixed rod (132) is fixedly connected with the side wall of the box body (2), the backing ring (133), the slider (134) and the spring (135) are all slidably sleeved on the fixed rod (132), the slider (134) is installed on one side of the backing ring (133) close to the fixed plate (131), the spring (135) is installed on the other side of the backing ring (133), the other end of the spring (135) is fixedly connected with the side wall of the box body (2), the top end of the slider (134) extends upwards and is fixedly connected with the bottom of a baffle (10), the sliding block (134) is connected with the top of the box body (2) in a sliding mode.

3. The chain processing pin shaft riveting mechanism is characterized in that a sliding groove (14) is formed in the top of the box body (2), the sliding groove (14) is arranged right above the tightening mechanism (13), and the top end of the sliding block (134) is inserted into the sliding groove (14) and is in sliding connection with the inner wall of the sliding groove (14).

4. The chain processing pin shaft riveting mechanism is characterized in that the middle of the upper surface of the box body (2) is provided with a positioning groove (15) matched with the shaft sleeve (8), and the bottom end of the shaft sleeve (8) is inserted into the positioning groove (15).

5. The chain processing pin shaft riveting mechanism as claimed in claim 1, wherein the top ends of the first clamping plate (12) and the second clamping plate (17) are both designed as inclined surfaces, and the inclined surfaces face one side of the shaft sleeve (8).

6. The chain processing pin shaft riveting and leveling mechanism according to claim 1, wherein press blocks (16) are installed around the bottom of the flat plate (6), and balls are arranged at the bottom ends of the press blocks (16) and located above the slope surfaces of the first clamp plate (12) and the second clamp plate (17).