CN210132218U

CN210132218U - Sprocket assembly welding frock

Info

Publication number: CN210132218U
Application number: CN201921014976.9U
Authority: CN
Inventors: 黄志耀; 黄焕生
Original assignee: ZHANGZHOU ZHONGYUAN MARINE MACHINERY INDUSTRY Co Ltd
Current assignee: ZHANGZHOU ZHONGYUAN MARINE MACHINERY INDUSTRY Co Ltd
Priority date: 2019-07-02
Filing date: 2019-07-02
Publication date: 2020-03-10
Anticipated expiration: 2029-07-02

Abstract

The utility model discloses a sprocket assembly welding frock, including base and fixed station, install hold-down mechanism on the piston rod of first cylinder, the one end fixed mounting that hold-down mechanism kept away from first cylinder has the compression bar, the fixed pipe of the equal fixedly connected with in both ends of bearing, the fixed station is kept away from on the fixed pipe of hold-down mechanism one side the annular array and is installed the second bolt, the equal fixed mounting in middle part both sides has the second fixed block on the base, there is the second cylinder through bolt fixed mounting on the second fixed block, fixed mounting has the arc on the piston rod of second cylinder, fixed welding has the meshing tooth on the convex surface on the arc, the one end that first cylinder was kept away from on base upper portion is provided with the third cylinder, fixed mounting has the compression bar on the piston rod of third cylinder. After the sprocket component is divided into parts, the tooling is used for controlling the precision, the whole assembly welding is carried out, only the middle hole is machined after the welding, and the requirement of a product component on equipment is reduced.

Description

Sprocket assembly welding frock

Technical Field

The utility model relates to a sprocket assembly technical field specifically is a sprocket assembly welding frock.

Background

The sprocket is a wheel with cogged sprocket teeth for meshing with precisely pitched blocks on a chain link or cable. The chain wheel is widely applied to mechanical transmission and the like in the industries of chemical engineering, textile machinery, escalators, wood processing, three-dimensional parking garages, agricultural machinery, food processing, instruments, petroleum and the like.

The existing welding mode of the chain wheel assembly is to weld firstly and then machine the chain wheel assembly afterwards, and the machining mode has high machining cost and large machining difficulty.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sprocket assembly welding frock, this frock divide the part of sprocket processing to do all can accomplish the back, with frock control accuracy, whole assembly welding, only machine tooling intermediate hole after welding reduces the requirement of product component to equipment to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a sprocket assembly welding tool comprises a base and a fixed table, wherein a first fixed block is fixedly welded at one end of the upper portion of the base, a first air cylinder is fixedly mounted above the first fixed block through bolts, a pressing mechanism is mounted on a piston rod of the first air cylinder, a pressing rod is fixedly mounted at one end, far away from the first air cylinder, of the pressing mechanism, a bearing is fixedly mounted inside the fixed table, two ends of the bearing are fixedly connected with fixed pipes, second bolts are mounted on the fixed pipes, far away from one side of the pressing mechanism, of the fixed table in an annular array mode, second fixed blocks are fixedly mounted on two sides of the middle portion of the base, a second air cylinder is fixedly mounted on the second fixed block through bolts, an arc-shaped plate is fixedly mounted on a piston rod of the second air cylinder, meshing teeth are fixedly welded on a convex surface of the arc-shaped plate, and a third air cylinder is arranged at one, and a piston rod of the third cylinder is fixedly provided with a pressing plate.

Preferably, the base is close to the fixed welding of one end of first cylinder and has the dead lever, be provided with the clamp on the dead lever, the dead lever passes through the clamp and is fixed with exterior structure with first bolt.

Preferably, the fixed welding of one end of first cylinder is kept away from on base upper portion has the third fixed block, the third cylinder passes through bolt fixed mounting on third fixed block upper portion.

Preferably, a rubber pad is fixedly glued to one side, far away from the third cylinder, of the compression plate.

Preferably, the pressing mechanism comprises a sleeve, a baffle and springs, the baffle is fixedly welded in the middle of the inner portion of the sleeve, the springs are arranged in two groups, the two groups of springs are respectively and fixedly installed on two sides of the baffle, one group of springs is fixedly connected with a piston rod of the first air cylinder, and the other group of springs is fixedly connected with one end of the pressing rod.

Preferably, one end of the piston rod of the first cylinder, which is opposite to the pressing rod, is slidably mounted inside the sleeve.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses assembly frock includes: clamping, jacking and overturning. After each part is welded and processed respectively, each part in the chain wheel assembly is positioned and locked by the fixing table of the tool, the arc plate on the second cylinder and the third cylinder, welding is completed, the tool is good in locking effect, the chain wheel part can be rotated during welding, welding is facilitated, the welding angle of the part is finely adjusted through the second bolt, the precision is guaranteed, and the tool is convenient to disassemble without influencing the removal of the tool after welding.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

fig. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic view of the internal structure of the fixing table of the present invention;

fig. 4 is a schematic view of the internal structure of the pressing mechanism of the present invention;

fig. 5 is a schematic side view of the arc plate of the present invention.

In the figure: 1. a base; 2. fixing the rod; 3. clamping a hoop; 4. a first bolt; 5. a first fixed block; 6. a first cylinder; 7. a hold-down mechanism; 71. a sleeve; 72. a spring; 73. a baffle plate; 8. a hold down bar; 9. a fixed tube; 10. a fixed table; 11. a second bolt; 12. a second fixed block; 13. an arc-shaped plate; 14. a second cylinder; 15. a compression plate; 16. a third cylinder; 17. a bearing; 18. a third fixed block; 19. the teeth are engaged.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a sprocket assembly welding tool comprises a base 1 and a fixed table 10, wherein a first fixed block 5 is fixedly welded at one end of the upper portion of the base 1, a first air cylinder 6 used for compressing a sprocket assembly is fixedly installed above the first fixed block 5 through bolts, a compressing mechanism 7 used for buffering the thrust of the first air cylinder 6 is installed on a piston rod of the first air cylinder 6, a compressing rod 8 is fixedly installed at one end, away from the first air cylinder 6, of the compressing mechanism 7, a rubber pad is arranged at the end portion of the compressing rod 8 and used for tightly supporting components of the sprocket assembly, a bearing 17 is fixedly installed inside the fixed table 10, a through hole is formed in the center of the fixed table 10, the bearing 17 is embedded and installed in the through hole inside the fixed table 10, fixed pipes 9 are fixedly connected to two ends of the bearing 17, the fixed pipes 9 are stainless steel pipes and used for supporting the sprocket assembly, second bolts 11 are installed on the fixed table 10, away from one side of the compressing mechanism 7, in, the perpendicular screw thread of second bolt 11 is installed on fixed pipe 9 pipe wall, the equal fixed mounting in middle part both sides has second fixed block 12 on base 1, there is second cylinder 14 through bolt fixed mounting on the second fixed block 12, fixed mounting has arc 13 on the piston rod of second cylinder 14, fixed welding has meshing tooth 19 on the convex surface on the arc 13, the one end that first cylinder 6 was kept away from on base 1 upper portion is provided with third cylinder 16, fixed mounting has pressure strip 15 on the piston rod of third cylinder 16.

Specifically, the fixed welding of base 1 one end near first cylinder 6 has dead lever 2, is provided with clamp 3 on the dead lever 2, and dead lever 2 is fixed with exterior structure through clamp 3 and first bolt 4. For fixing the base 1.

Specifically, a third fixing block 18 is fixedly welded at one end of the upper portion of the base 1, which is far away from the first cylinder 6, and the third cylinder 16 is fixedly mounted on the upper portion of the third fixing block 18 through a bolt.

Specifically, a rubber pad is fixedly glued to one side of the compression plate 15 away from the third cylinder 16. The setting of rubber pad for carry out buffer protection between pressure strip 15 and the sprocket, prevent to cause the damage to the sprocket when compressing tightly.

Specifically, the pressing mechanism 7 includes a sleeve 71, a baffle 73 and springs 72, the baffle 73 is fixedly welded in the middle of the sleeve 71, the springs 72 are provided with two sets, the two sets of springs 72 are respectively and fixedly installed on two sides of the baffle 73, one set of springs 72 is fixedly connected with the piston rod of the first cylinder 6, and the other set of springs 72 is fixedly connected with one end of the pressing rod 8.

Specifically, the end of the piston rod of the first cylinder 6 opposite to the compressing rod 8 is slidably mounted inside the sleeve 71. The transmission effect of the first cylinder 6 on the pressing rod 8 is ensured.

The working principle is as follows: when the chain wheel assembly is used, after all parts are welded, the chain wheel connecting piece of the chain wheel is placed inside the fixed pipe 9 and the bearing 17, the chain wheel connecting piece is locked through the second bolt 11 on the fixed pipe 9, the chain wheel is placed between the meshing teeth 19 of the arc-shaped plate 13, the angle of the chain wheel connecting piece is finely adjusted through the second bolt 11, the chain wheel connecting piece is abutted tightly through the first air cylinder 6, the chain wheel is fixedly locked through the second air cylinder 14, the chain wheel is abutted tightly through the third air cylinder 16, the chain wheel connecting piece is in contact with the chain wheel, all parts of the chain wheel assembly are welded, the chain wheel assembly can be loosened through the first air cylinder 6 during welding, the chain wheel connecting piece is rotated through the rotating bearing 17, the first air cylinder 6, the second air cylinder 14 and the third air cylinder 16 are reset after welding is completed, and the chain wheel is disassembled through the second bolt 11.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sprocket assembly welding frock, includes base (1) and fixed station (10), its characterized in that: the fixing device is characterized in that a first fixing block (5) is fixedly welded at one end of the upper portion of the base (1), a first cylinder (6) is fixedly mounted above the first fixing block (5) through bolts, a pressing mechanism (7) is mounted on a piston rod of the first cylinder (6), a pressing rod (8) is fixedly mounted at one end, away from the first cylinder (6), of the pressing mechanism (7), a bearing (17) is fixedly mounted inside the fixing table (10), fixing pipes (9) are fixedly connected to two ends of the bearing (17), a second bolt (11) is mounted on the fixing pipe (9) on one side, away from the pressing mechanism (7), of the fixing table (10) in an annular array manner, a second fixing block (12) is fixedly mounted on two sides of the middle portion of the base (1), a second cylinder (14) is fixedly mounted on the second fixing block (12) through bolts, an arc-shaped plate (13) is fixedly mounted on a piston rod of the second cylinder (, fixed welding has meshing tooth (19) on the convex surface on arc (13), the one end that first cylinder (6) was kept away from on base (1) upper portion is provided with third cylinder (16), fixed mounting has pressure strip (15) on the piston rod of third cylinder (16).

2. The sprocket assembly welding tool of claim 1, wherein: the fixed welding of one end that base (1) is close to first cylinder (6) has dead lever (2), be provided with clamp (3) on dead lever (2), dead lever (2) are fixed with exterior structure through clamp (3) and first bolt (4).

3. The sprocket assembly welding tool of claim 1, wherein: one end of the upper portion of the base (1) far away from the first cylinder (6) is fixedly welded with a third fixing block (18), and the third cylinder (16) is fixedly installed on the upper portion of the third fixing block (18) through a bolt.

4. The sprocket assembly welding tool of claim 1, wherein: and a rubber pad is fixedly glued on one side of the pressing plate (15) far away from the third cylinder (16).

5. The sprocket assembly welding tool of claim 1, wherein: the pressing mechanism (7) comprises a sleeve (71), a baffle (73) and springs (72), the baffle (73) is fixedly welded in the middle of the inner portion of the sleeve (71), the springs (72) are provided with two sets, the two sets of springs (72) are respectively and fixedly installed on two sides of the baffle (73), one set of the springs (72) are fixedly connected with a piston rod of the first air cylinder (6), and the other set of the springs (72) are fixedly connected with one end of the pressing rod (8).

6. The sprocket assembly welding tool of claim 5, wherein: and one end of the piston rod of the first cylinder (6), which is opposite to the pressing rod (8), is slidably mounted in the sleeve (71).