CN220373121U

CN220373121U - Clamping device for machining automobile crankshaft

Info

Publication number: CN220373121U
Application number: CN202323495447.4U
Authority: CN
Inventors: 钟柏明; 钟瑞灿
Original assignee: Fujian Zeyou Manufacturing Technology Co ltd
Current assignee: Fujian Zeyou Manufacturing Technology Co ltd
Priority date: 2023-12-21
Filing date: 2023-12-21
Publication date: 2024-01-23
Anticipated expiration: 2033-12-21

Abstract

The utility model relates to the technical field of clamping devices, and discloses an automobile crankshaft machining clamping device, which solves the problems that the existing clamping device needs to be clamped by manual operation when in use, the manpower is limited, the clamping is unavoidable when in operation, the labor capacity of operators is increased, and the working efficiency is reduced; this clamping device can be convenient effectual carry out the centre gripping to the car bent axle, has reduced operating personnel's amount of labour simultaneously, has improved work efficiency.

Description

Clamping device for machining automobile crankshaft

Technical Field

The utility model belongs to the technical field of clamping devices, and particularly relates to an automobile crankshaft machining clamping device.

Background

The crankshaft is the most important component in an engine. The device bears the force transmitted by the connecting rod, converts the force into torque, outputs the torque through the crankshaft and drives other accessories on the engine to work; the crankshaft is subjected to the combined action of centrifugal force of the rotating mass, periodically-changed gas inertia force and reciprocating inertia force, so that the crankshaft is subjected to bending and torsion load; therefore, the crankshaft is required to have enough strength and rigidity, and the journal surface needs to be wear-resistant, uniform in work and good in balance; the crankshaft is required to be clamped in the processing process, and then a clamping device is required to be used; the clamping device for crankshaft machining has the advantages that the clamping device is simple in structure, convenient to operate, good in buffering effect and protecting effect on a crankshaft, workers are relieved in burden, machining efficiency is improved, and good economic benefits are brought; but this clamping device needs to carry out the centre gripping through manual operation when using, and the manpower is limited, and the unavoidable centre gripping of when operating is in place to increased operating personnel's amount of labour, reduced work efficiency.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the clamping device for processing the automobile crankshaft, which effectively solves the problems that the existing clamping device is required to be clamped by manual operation, the manpower is limited, the clamping is unavoidable in place during the operation, the labor capacity of operators is increased, and the working efficiency is reduced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an automobile crankshaft processing clamping device, includes the mount table, the equal fixed mounting in both sides of mount table has the mounting bracket, and the equal fixed mounting in both sides at mount table top has two supporting legs, equal fixed mounting has the equipment box between the top of two adjacent supporting legs, is equipped with centre gripping drive assembly between the inside of two equipment boxes, two mounting brackets and mount table, and the upper and lower both sides of two equipment boxes all are equipped with the connecting block, and the equal fixed mounting in one side that the equipment box was kept away from to the connecting block has the installation pole, and the installation pole is close to the equal fixed mounting in one side of equipment box has the clamp.

Preferably, the clamping transmission assembly comprises a driving motor and two second chain wheels, the driving motor is fixedly arranged in the middle of the bottom inside the mounting table, a first bevel gear is fixedly arranged at the output end of the driving motor, a second bevel gear is fixedly arranged on one side of the first bevel gear, a rotating rod is fixedly arranged on two sides of the second bevel gear, a shaft sleeve is fixedly arranged on the surface of the rotating rod in a rotating mode, a fixing rod is fixedly arranged on the lower side of the shaft sleeve, and the bottom of the fixing rod is fixedly connected with the bottom inside the mounting table.

Preferably, the one end that the dwang kept away from the second bevel gear all extends to the outside of mount table and equal fixed mounting has first sprocket, two first sprockets respectively with two mounting brackets are close to the lower part rotation connection of one side each other, two second sprockets rotate respectively and install on two mounting brackets are close to one side upper portion each other, all mesh respectively between two first sprockets and two second sprockets is connected with the chain, two equal fixed mounting in one side that the second sprocket is close to each other has the threaded rod, the equal threaded connection in surface of threaded rod has the screw sleeve, the equal fixed mounting in upside of screw sleeve has the head rod, the equal fixed mounting in top of head rod has the sliding sleeve, the inside of sliding sleeve has all pegged graft the slide bar, the one end that two slide bars are close to each other respectively with two equipment box fixed connection.

Preferably, the threaded sleeve is kept away from the equal fixed mounting of one end of second sprocket and is had V-arrangement extrusion pole, and two V-arrangement extrusion poles are installed respectively in the inside of two equipment boxes, and the equal fixed mounting in middle part that two V-arrangement extrusion poles are close to one side each other has the second connecting rod, and the equal fixed mounting of one end that the V-arrangement extrusion pole was kept away from to the second connecting rod has the reset piece, and the upper and lower both sides of two reset pieces all are equipped with the movable block, and the inside of movable block has all been seted up and has been pushed the groove, and the groove all is pushed the pole phase-match with the V-arrangement, and the movable block is kept away from one side of reset piece all and connecting block fixed connection.

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

in operation, an operator starts a driving motor to drive a first bevel gear to rotate, the first bevel gear drives two rotating rods to rotate along the inner parts of two shaft sleeves through a second bevel gear when rotating, the rotating rods drive first chain wheels to rotate when rotating, the first chain wheels drive second chain wheels to rotate through chains, the second chain wheels drive threaded sleeves to move through threaded rods when rotating, and the threaded sleeves drive sliding sleeves to slide along the surfaces of sliding rods through first connecting rods when moving, so that the stability of the threaded sleeves during moving is improved;

the V-shaped pushing rods are driven to be inserted into pushing grooves in the moving blocks when the threaded sleeves move, the reset blocks are pushed to be far away from the moving blocks, the V-shaped pushing rods drive the moving blocks to move towards the inside of the equipment box when the V-shaped pushing rods are inserted into the pushing grooves, the installation rods are driven to move through the connecting blocks when the moving blocks move, and the clamping clamps are driven to clamp and fix two ends of the automobile crankshaft when the installation rods move; make this clamping device can be convenient effectual carry out the centre gripping to the car bent axle, reduced operating personnel's amount of labour simultaneously, improved work efficiency.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

In the drawings:

FIG. 1 is a schematic diagram of a front view of a clamping device according to the present utility model;

FIG. 2 is a schematic cross-sectional view of a clamping device according to the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

in the figure: 1. a mounting table; 2. a mounting frame; 3. support legs; 4. an equipment box; 5. a connecting block; 6. a mounting rod; 7. a clamp; 8. a driving motor; 9. a first bevel gear; 10. a second bevel gear; 11. a rotating lever; 12. a shaft sleeve; 13. a fixed rod; 14. a first sprocket; 15. a second sprocket; 16. a chain; 17. a threaded rod; 18. a threaded sleeve; 19. a first connecting rod; 20. a sliding sleeve; 21. a slide bar; 22. v-shaped pushing rod; 23. a second connecting rod; 24. a reset block; 25. a moving block; 26. pushing the groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model is given by fig. 1 to 3, which comprises a mounting table 1, wherein mounting frames 2 are fixedly mounted on two sides of the mounting table 1, two supporting legs 3 are fixedly mounted on two sides of the top of the mounting table 1, an equipment box 4 is fixedly mounted between the tops of two adjacent supporting legs 3, clamping transmission components are arranged between the two equipment boxes 4, the two mounting frames 2 and the inside of the mounting table 1, connecting blocks 5 are arranged on the upper side and the lower side of the two equipment boxes 4, mounting rods 6 are fixedly mounted on one sides of the connecting blocks 5, far away from the equipment boxes 4, and clamping rings 7 are fixedly mounted on one sides of the mounting rods 6, close to the equipment boxes 4.

In the work process, an operator starts the clamping transmission assembly to operate, the installation rod 6 is driven to move through the connecting block 5 when the clamping transmission assembly operates, and the clamping 7 is driven to clamp and fix two ends of the automobile crankshaft when the installation rod 6 moves; make this clamping device can be convenient effectual carry out the centre gripping to the car bent axle, reduced operating personnel's amount of labour simultaneously, improved work efficiency.

The clamping transmission assembly comprises a driving motor 8 and two second chain wheels 15, wherein the driving motor 8 is fixedly arranged in the middle of the inner bottom of the mounting table 1, a first bevel gear 9 is fixedly arranged at the output end of the driving motor 8, a second bevel gear 10 is fixedly arranged at one side of the first bevel gear 9, rotating rods 11 are fixedly arranged at two sides of the second bevel gear 10, shaft sleeves 12 are rotatably arranged on the surfaces of the rotating rods 11, fixed rods 13 are fixedly arranged at the lower sides of the shaft sleeves 12, and the bottoms of the fixed rods 13 are fixedly connected with the bottom of the inner part of the mounting table 1; the end of the rotating rod 11 far away from the second bevel gear 10 extends to the outside of the mounting table 1 and is fixedly provided with the first chain wheels 14, the two first chain wheels 14 are respectively connected with the lower parts of the two mounting frames 2 on the sides close to each other in a rotating way, the two second chain wheels 15 are respectively arranged on the upper parts of the two mounting frames 2 on the sides close to each other in a rotating way, chains 16 are respectively meshed and connected between the two first chain wheels 14 and the two second chain wheels 15, threaded rods 17 are respectively fixedly arranged on the sides close to each other of the two second chain wheels 15, threaded sleeves 18 are respectively connected with the surfaces of the threaded rods 17 in a threaded way, first connecting rods 19 are respectively fixedly arranged on the upper sides of the threaded sleeves 18, sliding sleeves 20 are respectively fixedly arranged on the tops of the first connecting rods 19, sliding rods 21 are respectively inserted in the sliding sleeves 20, and one ends of the two sliding rods 21 close to each other are respectively fixedly connected with the two equipment boxes 4; the screw sleeve 18 keeps away from the equal fixed mounting of one end of second sprocket 15 and has V-arrangement extrusion pole 22, two V-arrangement extrusion poles 22 are installed respectively in the inside of two equipment boxes 4, the middle part that two V-arrangement extrusion poles 22 are close to one side each other is equal fixed mounting has second connecting rod 23, the equal fixed mounting of one end that the V-arrangement extrusion pole 22 was kept away from to second connecting rod 23 has reset piece 24, the upper and lower both sides of two reset pieces 24 all are equipped with movable block 25, the inside of movable block 25 has all seted up and has been pushed out groove 26, push out groove 26 all with V-arrangement extrusion pole 22 phase-match, the one side that the movable block 25 kept away from reset piece 24 all with connecting block 5 fixed connection.

An operator starts a driving motor 8 to drive a first bevel gear 9 to rotate, the first bevel gear 9 drives two rotating rods 11 to rotate along the interiors of two shaft sleeves 12 through a second bevel gear 10 when rotating, the rotating rods 11 drive first chain wheels 14 to rotate when rotating, the first chain wheels 14 drive second chain wheels 15 to rotate through chains 16, the second chain wheels 15 drive threaded sleeves 18 to move through threaded rods 17 when rotating, and the first connecting rods 19 drive sliding sleeves 20 to slide along the surfaces of sliding rods 21 when the threaded sleeves 18 move, so that the stability of the threaded sleeves 18 is improved when moving;

the threaded sleeve 18 drives the V-shaped pushing rod 22 to be inserted into the pushing groove 26 in the moving block 25 when moving, and simultaneously pushes the reset block 24 to be far away from the moving block 25, the V-shaped pushing rod 22 drives the moving block 25 to move towards the inside of the equipment box 4 when being inserted into the pushing groove 26, and the connecting block 5 is driven to move when the moving block 25 moves.

Claims

1. The utility model provides an automobile crankshaft processing clamping device, includes mount table (1), its characterized in that: the utility model discloses a device for fixing equipment, including mount pad, mounting bar, clamp (7), mounting pad, clamp transmission subassembly, connecting block, connecting rod (5) are all fixed mounting in both sides of mount pad (1) have mounting pad (2), the equal fixed mounting in both sides at mount pad (1) top has two supporting legs (3), equal fixed mounting has equipment box (4) between the top of two adjacent supporting legs (3), be equipped with clamping transmission subassembly between the inside of two equipment box (4), two mounting pad (2) and mount pad (1), the equal fixed mounting in one side that equipment box (4) was kept away from to connecting block (5) has installation pole (6), one side that installation pole (6) is close to equipment box (4) is all fixed mounting clamp (7).

2. The automotive crankshaft machining clamping device according to claim 1, wherein: the clamping transmission assembly comprises a driving motor (8) and two second chain wheels (15), wherein the driving motor (8) is fixedly arranged in the middle of the inner bottom of the mounting table (1), a first bevel gear (9) is fixedly arranged at the output end of the driving motor (8), a second bevel gear (10) is fixedly arranged on one side of the first bevel gear (9), rotating rods (11) are fixedly arranged on two sides of the second bevel gear (10), shaft sleeves (12) are rotatably arranged on the surfaces of the rotating rods (11), fixing rods (13) are fixedly arranged on the lower sides of the shaft sleeves (12), and the bottoms of the fixing rods (13) are fixedly connected with the inner bottom of the mounting table (1).

3. The automotive crankshaft machining clamping device according to claim 2, wherein: the one end that second bevel gear (10) was kept away from to dwang (11) all extends to the outside of mount table (1) and equal fixed mounting has first sprocket (14), two first sprockets (14) are connected with the lower part rotation that two mounting brackets (2) are close to one side each other respectively, two second sprockets (15) are rotated respectively and are installed on one side upper portion that two mounting brackets (2) are close to each other, it is connected with chain (16) to equipartition between two first sprockets (14) and two second sprockets (15), the equal fixed mounting of one side that two second sprockets (15) are close to each other has threaded rod (17), the equal threaded connection in surface of threaded rod (17) has threaded sleeve (18), the equal fixed mounting in upside of threaded sleeve (18) has head rod (19), the equal fixed mounting in top of head rod (19) has sliding sleeve (20), the inside of sliding sleeve (20) is all pegged graft and is connected with slide bar (21) each other, the one end that two slide bar (21) are close to each other is connected with two equipment box (4) fixed connection respectively.

4. A car crankshaft machining clamping device according to claim 3, wherein: the screw sleeve (18) is kept away from the one end of second sprocket (15) and is all fixed mounting have V-arrangement push rod (22), two V-arrangement push rod (22) are installed respectively in the inside of two equipment boxes (4), the middle part that two V-arrangement push rods (22) are close to one side each other is all fixed mounting have second connecting rod (23), the one end that V-arrangement push rod (22) was kept away from to second connecting rod (23) is all fixed mounting have reset piece (24), the upper and lower both sides of two reset pieces (24) all are equipped with movable block (25), push groove (26) have all been seted up to the inside of movable block (25), push groove (26) all with V-arrangement push rod (22) assorted, one side that movable block (25) kept away from reset piece (24) all with connecting block (5) fixed connection.