CN214264774U

CN214264774U - High-precision fuel injection pump camshaft cutting clamp

Info

Publication number: CN214264774U
Application number: CN202120320444.9U
Authority: CN
Inventors: 顾建新
Original assignee: Wuxi Xintian Dingli Technology Co ltd
Current assignee: Wuxi Xintian Dingli Technology Co ltd
Priority date: 2021-02-04
Filing date: 2021-02-04
Publication date: 2021-09-24
Anticipated expiration: 2031-02-04

Abstract

The utility model belongs to the anchor clamps field, especially, injection pump camshaft cutting process anchor clamps that precision is high, the on-line screen storage device comprises a base, the top fixed mounting of base has the workstation, the first groove that two symmetries set up is seted up at the top of workstation, one side that two first grooves are close to each other is rotated and is installed same lead screw, sliding mounting has splint in the first groove, and splint thread bush is established on the lead screw, the spread groove has been seted up to the bottom of workstation, and the lead screw runs through the spread groove, fixed mounting has the worm wheel on the lead screw, the second groove has been seted up at the top of base, second inslot fixed mounting has the rotating electrical machines, the output shaft fixed mounting of rotating electrical machines has the worm, and the top of worm rotates to be installed on the top inner wall of spread groove, the worm meshes with the worm wheel mutually. The utility model relates to a rationally, simple structure, convenient operation can fix the camshaft in level and vertical direction to can carry out stable centre gripping fixed to the camshaft.

Description

High-precision fuel injection pump camshaft cutting clamp

Technical Field

The utility model relates to an anchor clamps technical field especially relates to an injection pump camshaft cutting process anchor clamps that precision is high.

Background

The camshaft is a component in a piston engine. Its function is to control the opening and closing action of the valve. Although the rotational speed of the camshaft is half of that of the crankshaft in a four-stroke engine, the rotational speed is still high and the camshaft is required to bear large torque, so that the camshaft is required to be high in strength and support in the design, and the camshaft is generally made of special cast iron and occasionally forged.

Present injection pump camshaft that precision is high is adding man-hour needs to cut the camshaft, and the in-process of cutting needs fix the camshaft, and when the camshaft is fixed unstable, influences the precision of camshaft processing, has the problem that is not convenient for carry out stable fixed to the camshaft, and therefore we have provided an injection pump camshaft cutting anchor clamps that precision is high and are used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that has to be not convenient for carry out stable fixed to the camshaft among the prior art, and the injection pump camshaft cutting anchor clamps that a precision is high that provide.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a high-precision cutting machining clamp for a camshaft of an oil injection pump comprises a base, wherein a workbench is fixedly arranged at the top of the base, two first grooves which are symmetrically arranged are formed in the top of the workbench, one side, close to each other, of each first groove is rotatably provided with a same screw rod, clamping plates are slidably arranged in the first grooves and are sleeved on the screw rods in a threaded manner, a connecting groove is formed in the bottom of the workbench, the screw rods penetrate through the connecting groove, worm gears are fixedly arranged on the screw rods, a second groove is formed in the top of the base, a rotating motor is fixedly arranged in the second groove, a worm is fixedly arranged on an output shaft of the rotating motor, the top end of the worm is rotatably arranged on the inner wall of the top of the connecting groove, the worm is meshed with the worm gears, a placing plate is fixedly arranged on one side, close to each other, of each clamping plate is provided with a positioning groove, and the positioning grooves are matched with the corresponding placing plates, sliding mounting has the clamp plate in the constant head tank, one side fixed mounting of clamp plate has the horizontal pole, and the one end of horizontal pole extends to the outside of splint, first hole has been seted up to one side of splint, first downthehole slidable mounting has the arm-tie, the bottom of arm-tie articulates there is the one end of pull rod, the other end interval of pull rod is on the horizontal pole, the bottom fixed mounting of arm-tie has fixing spring, fixing spring's bottom fixed mounting is on the inner wall in first hole, the bottom fixed mounting of arm-tie has the montant, the bottom fixed mounting of montant has ARC plate.

Preferably, the screw rod is provided with two external threads with opposite rotating directions, one side of the clamping plate is provided with a round hole, the inner wall of the round hole is provided with an internal thread, and the external threads are meshed with the corresponding internal threads.

Preferably, the inner walls of the two sides of the first groove are provided with limit grooves, the two sides of the clamping plate are fixedly provided with limit seats, and the limit seats are connected with the corresponding limit grooves in a sliding mode.

Preferably, a rotating hole is formed in the inner wall of one side, close to each other, of the first groove and the connecting groove, and the screw rod is rotatably connected with the rotating hole.

Preferably, sliding grooves are formed in the inner walls of the two sides of the first hole, sliding seats are fixedly mounted on the two sides of the pulling plate, and the sliding seats are connected with the corresponding sliding grooves in a sliding mode.

Preferably, the same guide rod is fixedly installed on the top inner wall and the bottom inner wall of the first hole, and the pull plate is installed on the guide rod in a sliding mode.

The utility model discloses in, when cutting the camshaft, a high fuel injection pump camshaft cutting jig of precision, at first need carry out the centre gripping to the camshaft fixedly, place the camshaft on placing the board at first, make the camshaft correspond with the position of corresponding positioning groove, then through starting the rotating electrical machines, the rotating electrical machines can drive the worm through the output shaft and rotate, the worm can drive the worm wheel and rotate, the worm wheel can drive the lead screw and rotate, because be equipped with two external screw threads that revolve to opposite directions on the lead screw, the rotation of lead screw can drive splint and move, and splint can move to the direction of keeping away from each other, through the removal of splint, make the camshaft card go into in the corresponding positioning groove, and can carry out horizontal centre gripping to the camshaft fixedly through splint;

when the camshaft card goes into corresponding constant head tank in, the camshaft can extrude the clamp plate for the clamp plate can remove, and the removal of clamp plate can drive the horizontal pole and remove, and the horizontal pole passes through the pull rod and drives the arm-tie and remove downwards, and the arm-tie can drive montant and arc fixed plate and remove downwards, can carry out the pressure fastening to the camshaft in vertical direction through arc fixed plate and fix, thereby can carry out stable centre gripping fixedly to the camshaft.

The utility model relates to a rationally, simple structure, convenient operation can fix the camshaft in level and vertical direction to can carry out stable centre gripping fixed to the camshaft.

Drawings

Fig. 1 is a schematic structural view of a high-precision cutting fixture for a camshaft of an injection pump according to the present invention;

fig. 2 is a schematic structural view of a part a of the high-precision fuel injection pump camshaft cutting jig provided by the present invention;

fig. 3 is the utility model provides a high injection pump camshaft cutting process anchor clamps of precision's B part schematic structure.

In the figure: 1. a base; 2. a work table; 3. a first groove; 4. a splint; 5. a screw rod; 6. connecting grooves; 7. a second groove; 8. a rotating electric machine; 9. a worm; 10. a worm gear; 11. placing the plate; 12. positioning a groove; 13. pressing a plate; 14. a cross bar; 15. a first hole; 16. pulling a plate; 17. fixing the spring; 18. a pull rod; 19. a vertical rod; 20. an arc-shaped fixing plate.

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.

Referring to fig. 1-3, a high-precision cutting fixture for a camshaft of an injection pump comprises a base 1, a workbench 2 is fixedly mounted at the top of the base 1, two first grooves 3 which are symmetrically arranged are formed at the top of the workbench 2, the same screw rod 5 is rotatably mounted at one side, close to each other, of the two first grooves 3, a clamp plate 4 is slidably mounted in the first groove 3, the clamp plate 4 is in threaded sleeve connection with the screw rod 5, a connecting groove 6 is formed at the bottom of the workbench 2, the screw rod 5 penetrates through the connecting groove 6, a worm wheel 10 is fixedly mounted on the screw rod 5, a second groove 7 is formed at the top of the base 1, a rotating motor 8 is fixedly mounted in the second groove 7, a worm 9 is fixedly mounted on an output shaft of the rotating motor 8, the top end of the worm 9 is rotatably mounted on the inner wall of the top of the connecting groove 6, the worm 9 is meshed with the worm wheel 10, a placing plate 11 is fixedly mounted at one side, close to each other, of the two clamp plates 4, constant head tank 12 has all been seted up to one side that two splint 4 are close to each other, and constant head tank 12 and the board 11 looks adaptation of placing that corresponds, slidable mounting has clamp plate 13 in the constant head tank 12, one side fixed mounting of clamp plate 13 has horizontal pole 14, and the one end of horizontal pole 14 extends to the outside of splint 4, first hole 15 has been seted up to one side of splint 4, slidable mounting has arm-tie 16 in first hole 15, the bottom of arm-tie 16 articulates there is the one end of pull rod 18, the other end interval of pull rod 18 is on horizontal pole 14, the bottom fixed mounting of arm-tie 16 has fixed spring 17, fixed spring 17's bottom fixed mounting is on the inner wall in first hole 15, the bottom fixed mounting of arm-tie 16 has montant 19, the bottom fixed mounting of montant 19 has cowl 20.

In this embodiment, be provided with two external screw threads that revolve to opposite on the lead screw 5, the round hole has been seted up to one side of splint 4, has seted up the internal thread on the inner wall of round hole, and the external screw thread meshes with the internal thread that corresponds mutually.

In this embodiment, the inner walls of the two sides of the first groove 3 are both provided with a limiting groove, the two sides of the clamping plate 4 are both fixedly provided with a limiting seat, and the limiting seat is connected with the corresponding limiting groove in a sliding manner.

In this embodiment, a rotation hole is formed in the inner wall of the side where the first groove 3 and the connection groove 6 are close to each other, and the screw rod 5 is rotatably connected to the rotation hole.

In this embodiment, the inner walls of the two sides of the first hole 15 are both provided with sliding grooves, and the two sides of the pulling plate 16 are both fixedly provided with sliding seats, and the sliding seats are slidably connected with the corresponding sliding grooves.

In this embodiment, the same guide rod is fixedly installed on the top inner wall and the bottom inner wall of the first hole 15, and the pulling plate 16 is slidably installed on the guide rod.

In the utility model, when cutting the camshaft, firstly, the camshaft needs to be clamped and fixed, firstly, the camshaft is placed on the placing plate 11, so that the camshaft corresponds to the position of the corresponding positioning groove 12, then, by starting the rotating motor 8, the rotating motor 8 can drive the worm 9 to rotate through the output shaft, the worm 9 can drive the worm wheel 10 to rotate, the worm wheel 10 can drive the lead screw 5 to rotate, because two external threads with opposite rotation directions are arranged on the lead screw 5, the lead screw 5 can drive the clamping plate 4 to move, and the clamping plate 4 can move towards the direction away from each other, through the movement of the clamping plate 4, the camshaft is clamped into the corresponding positioning groove 12, and the camshaft can be horizontally clamped and fixed through the clamping plate 4;

when the camshaft goes into corresponding constant head tank 12 in, the camshaft can extrude clamp plate 13 for clamp plate 13 can remove, clamp plate 13's removal can drive horizontal pole 14 and remove, horizontal pole 14 passes through pull rod 18 and drives arm-tie 16 downstream, arm-tie 16 can drive montant 19 and arc fixed plate 20 downstream, can carry out the pressure fastening to the camshaft on vertical direction through arc fixed plate 20 and decide, thereby can carry out stable centre gripping fixed to the camshaft.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The high-precision cutting clamp for the camshaft of the fuel injection pump comprises a base (1) and is characterized in that a workbench (2) is fixedly mounted at the top of the base (1), two first grooves (3) which are symmetrically arranged are formed in the top of the workbench (2), one side, close to each other, of the two first grooves (3) is rotatably mounted with one lead screw (5), a clamping plate (4) is slidably mounted in the first groove (3), the clamping plate (4) is sleeved on the lead screw (5) in a threaded manner, a connecting groove (6) is formed in the bottom of the workbench (2), the lead screw (5) penetrates through the connecting groove (6), a worm wheel (10) is fixedly mounted on the lead screw (5), a second groove (7) is formed in the top of the base (1), a rotating motor (8) is fixedly mounted in the second groove (7), and a worm (9) is fixedly mounted on an output shaft of the rotating motor (8), the top end of the worm (9) is rotatably installed on the inner wall of the top of the connecting groove (6), the worm (9) is meshed with the worm wheel (10), one side, close to each other, of each of the two clamping plates (4) is fixedly provided with a placing plate (11), one side, close to each other, of each of the two clamping plates (4) is provided with a positioning groove (12), the positioning grooves (12) are matched with the corresponding placing plates (11), the positioning grooves (12) are internally provided with a pressing plate (13), one side of each pressing plate (13) is fixedly provided with a cross rod (14), one end of each cross rod (14) extends to the outer side of each clamping plate (4), one side of each clamping plate (4) is provided with a first hole (15), a pulling plate (16) is internally provided with a pulling plate (15), the bottom of each pulling plate (16) is hinged with one end of a pulling rod (18), the other end of each pulling rod (18) is spaced on the cross rod (14), the bottom of each pulling plate (16) is fixedly provided with a fixing spring (17), the bottom end of the fixed spring (17) is fixedly installed on the inner wall of the first hole (15), the bottom of the pulling plate (16) is fixedly provided with a vertical rod (19), and the bottom end of the vertical rod (19) is fixedly provided with an arc-shaped fixed plate (20).

2. The cutting clamp for the camshaft of the oil injection pump with high precision according to claim 1, wherein the screw rod (5) is provided with two external threads with opposite rotation directions, one side of the clamping plate (4) is provided with a round hole, the inner wall of the round hole is provided with an internal thread, and the external threads are meshed with the corresponding internal threads.

3. The cutting clamp for the camshaft of the oil injection pump with high precision according to claim 1, wherein the inner walls of the two sides of the first groove (3) are respectively provided with a limiting groove, the two sides of the clamping plate (4) are respectively fixedly provided with a limiting seat, and the limiting seats are slidably connected with the corresponding limiting grooves.

4. The cutting clamp for the camshaft of the injection pump with high precision according to claim 1, wherein a rotating hole is formed on the inner wall of one side of the first groove (3) and the connecting groove (6) close to each other, and the screw rod (5) is rotatably connected with the rotating hole.

5. The cutting clamp for the camshaft of the injection pump with high precision according to claim 1, wherein sliding grooves are formed on inner walls of two sides of the first hole (15), sliding seats are fixedly mounted on two sides of the pulling plate (16), and the sliding seats are slidably connected with the corresponding sliding grooves.

6. The cutting jig for the camshaft of the injection pump with high precision as claimed in claim 1, wherein the same guide rod is fixedly installed on the top inner wall and the bottom inner wall of the first hole (15), and the pulling plate (16) is slidably installed on the guide rod.