Cam shaft machining clamp with high-precision positioning function

Abstract

The utility model discloses a camshaft machining fixture with a high-precision positioning function, which relates to the technical field of camshafts, and comprises supporting legs and a collecting box, the collecting box is fixedly connected to the tops of the supporting legs, the top of the collecting box is fixedly connected with a fixing plate, and the fixing plate is fixedly connected with the supporting legs. The front side face of the fixing plate is fixedly connected with a fixing assembly. Through mutual cooperation of the rotating shaft, the stress shaft, the sliding groove, the stress plate and other components, when the fluted disc rotates anticlockwise, thrust is applied to the clamping block, the clamping block moves upwards in an arc shape through the bearing plate, and the fluted disc does not rotate anticlockwise any more, the clamping block is clamped at the tooth position of the fluted disc, the fluted disc is prevented from being influenced to rotate clockwise when materials are machined, and the machining precision of the materials is improved. And then, a worker turns on an external power supply to force the motor to drive the rotating shaft to rotate clockwise, so that machining is conducted, the effect of positioning and clamping the material needing to be machined into the cam shaft is achieved, and machining of the cam shaft is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model belongs to camshaft technical field, especially a kind of camshaft machining clamp with high-precision positioning function. BACKGROUND

[0002] Camshaft is an important movable component in piston engine, its role is to control the opening and closing action of valve, and camshaft assembly is a fixed camshaft on the fixed part of automobile engine.Although the speed of camshaft in four-stroke engine is half of crankshaft (in two-stroke engine, the speed of camshaft is same with crankshaft), but its speed is still very high under normal circumstances, and needs to bear very big torsion force;

[0003] According to the kind of clamp for machining high-precision camshaft assembly (public number: CN 208801084U) disclosed, including bottom plate, first work station clamp and second work station clamp are arranged on it;First work station clamp includes first positioning mechanism and first clamping device, first positioning mechanism includes push plate, and first clamping device is located on the both sides of push plate;

[0004] But in the above design, through the cooperation of bottom plate, first work station clamp and other components, it is difficult to realize the positioning and clamping of the material to be machined into camshaft, which leads to the inconvenience of machining camshaft, and needs to be improved. SUMMARY

[0005] The utility model discloses a kind of camshaft machining clamp with high-precision positioning function, through the cooperation of shaft, force shaft, sliding slot, force plate and other components, when gear disc counterclockwise rotates, it is realized that push force is exerted to clamping block, clamping block makes arc movement upwards by receiving plate, when gear disc no longer counterclockwise rotates, clamping block is clamped in the tooth of gear disc, prevent gear disc from being affected clockwise rotation when material is processed, avoid that material cannot be clamped, subsequently staff forces motor to drive shaft clockwise rotation by opening external power supply, to process, realize the positioning and clamping of the material to be machined into camshaft, facilitate the machining of camshaft, solve the existing problem.

[0006] To solve the above technical problems, the utility model is realized by the following technical schemes:

[0007] The utility model discloses a camshaft machining clamp with high-precision positioning function, including support leg and collection box, the collection box fixedly connected at the top of support leg, the top of collection box is fixedly connected with the fixed plate, the positive side of fixed plate is fixedly connected with fixed assembly, the positive side of fixed plate is provided with positioning device, the positioning device bag motor, the motor fixedly penetrates in the side of fixed plate, the output shaft end of motor is fixedly connected with the pivot, the circumferential surface of pivot is fixedly connected with the force shaft, the inner wall of force shaft is fixedly connected with the connecting plate.

[0008] Further, the circumferential surface of the connecting plate is provided with a sliding groove, the inner wall of the sliding groove is slidably connected with a force plate, the positive side of the force plate is fixedly connected with a circular shaft, the circumferential surface of the force shaft is provided with a ring groove, the inner wall of the ring groove is slidably connected with a force rod, one end of the force rod away from the inner wall of the ring groove is fixedly connected with a toothed disc, the circumferential surface of the force shaft is fixedly connected with a receiving plate, the circumferential surface of the receiving plate is rotatably connected with a clamping block, the circumferential surface of the toothed disc is fixedly connected with an action rod, such a design is conducive to the toothed disc to rotate counterclockwise when the action rod is stressed.

[0009] Further, the side section of the connecting plate is hollow, the side section of the force plate is shaped, and the force plate is provided with a plurality of circumferential arrays on the circumferential surface of the connecting plate, which is conducive to the force plate to slide on the inner wall of the sliding groove when the force plate is stressed.

[0010] Further, the top of the collection box is provided with a cleaning device, the cleaning device includes a sprocket, the sprocket is fixedly connected to the circumferential surface of the pivot, the circumferential surface of the sprocket is drivingly connected with a chain, the positive side of the fixed plate is rotatably connected with a reciprocating screw rod, such a design is conducive to the sprocket to rotate clockwise when the sprocket rotates clockwise, and the sprocket drives the force wheel to rotate clockwise through the chain.

[0011] Further, the circumferential surface of the reciprocating screw rod is threadedly connected with a reciprocating sleeve, the circumferential surface of the reciprocating screw rod is fixedly connected with a force wheel, the circumferential surface of the reciprocating sleeve is fixedly connected with a push rod, the side of the push rod is fixedly connected with a brush plate, and the top of the collection box is provided with a rectangular groove, which is conducive to the push rod to move linearly when the reciprocating sleeve moves linearly.

[0012] Further, the bottom of the push rod is slidably connected to the top of the collection box, and the chain is drivingly connected to the circumferential surface of the force wheel, which is conducive to the brush plate to move linearly when the push rod moves linearly.

[0013] Further, the support leg is provided with a plurality of pairs of symmetrical vertical central axes along the bottom of the collection box, which is conducive to the support leg to support the entire machine body.

[0014] The utility model has the following beneficial effects:

[0015] The utility model discloses a rotating shaft, stressed shaft, chute, stressed plate and other components cooperate with each other, realize when the gear disc counterclockwise rotation, push the block to make the arc motion upwards through the receiving plate, when the gear disc no longer counterclockwise rotation, the block is clamped at the gear tooth of the gear disc, prevent the gear disc from clockwise rotation when the material is processed, avoid that the material can not be clamped, then the staff forces the motor to drive the rotating shaft clockwise rotation through starting external power supply, thereby processing, realize the positioning and clamping effect of the material that needs to be processed into camshaft, facilitate the processing of camshaft.

[0016] The utility model discloses a push rod, brush plate, chain, sprocket and other components cooperate with each other, realize when the reciprocating silk cover does reciprocating straight -line motion, drive push rod stress to slide and do reciprocating straight -line motion at the top of collection box, force the brush plate fixed on the side of push rod to do reciprocating straight -line motion, make the brush plate close tightly the top of collection box and do reciprocating straight -line motion, make the waste material of collection box top be brushed to rectangular groove, make the waste material drop to the inside of collection box, and the staff is convenient to the collection of waste material, has reached the effect of the top cleaning of collection box, improved the work efficiency of staff.

[0017] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages mentioned above. DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will introduce the drawing needed to be used in the embodiment briefly, and obviously, the drawing in the following description is only some embodiments of the utility model, and for the ordinary skilled person in the art, other drawings can also be obtained according to these drawings without creating labor.

[0019] Figure 1 It is three-dimensional appearance structure schematic diagram of the utility model;

[0020] Figure 2 It is three-dimensional appearance structure schematic diagram of the utility model;

[0021] Figure 3 It is three-dimensional appearance structure schematic diagram of the utility model; Figure 2 It is three-dimensional appearance structure schematic diagram of the utility model;

[0022] Figure 4 It is three-dimensional appearance structure schematic diagram of the utility model; Figure 2 It is three-dimensional appearance structure schematic diagram of the utility model;

[0023] In the drawing, the component list represented by each sign is as follows:

[0024] 1, support leg; 2, collecting box; 3, fixed plate; 4, fixed assembly; 5, positioning device; 51, motor; 52, rotating shaft; 53, force receiving shaft; 54, connecting plate; 55, sliding groove; 56, force receiving plate; 57, circular shaft; 58, ring groove; 59, force receiving rod; 510, toothed disc; 511, special-shaped groove; 512, receiving plate; 513, clamping block; 514, acting rod; 6, cleaning device; 61, chain wheel; 62, chain; 63, reciprocating screw rod; 64, reciprocating screw sleeve; 65, force receiving wheel; 66, push rod; 67, brush plate; 68, rectangular groove. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] Please refer to Figures 1-4 The utility model discloses a camshaft machining clamp with high-precision positioning function, including support leg 1 and collecting box 2, collecting box 2 fixed connection is in the top of support leg 1, the top of collecting box 2 is fixedly connected with fixed plate 3, the positive side of fixed plate 3 is fixedly connected with fixed assembly 4, and the positive side of fixed plate 3 is provided with positioning device 5;Positioning device 5 bag motor 51, and motor 51 is fixedly penetrated in the side of fixed plate 3, and the output shaft end of motor 51 is fixedly connected with rotating shaft 52, and the circumferential surface of rotating shaft 52 is fixedly connected with force receiving shaft 53, and the inner wall of force receiving shaft 53 is fixedly connected with connecting plate 54.

[0027] The circumferential surface of connecting plate 54 is provided with sliding groove 55, the inner wall of sliding groove 55 is slidably connected with force receiving plate 56, the positive side of force receiving plate 56 is fixedly connected with circular shaft 57, the circumferential surface of force receiving shaft 53 is provided with ring groove 58, the inner wall of ring groove 58 is slidably connected with force receiving rod 59, one end away from the inner wall of ring groove 58 of force receiving rod 59 is fixedly connected with toothed disc 510, the circumferential surface of force receiving shaft 53 is fixedly connected with receiving plate 512, the circumferential surface of receiving plate 512 is rotatably connected with clamping block 513, and the circumferential surface of toothed disc 510 is fixedly connected with acting rod 514, and such design is favorable to the clockwise rotation of toothed disc 510 when acting rod 514 is stressed.

[0028] The side section of connecting plate 54 is hollow, the side section of force receiving plate 56 is special-shaped, the force receiving plate 56 is arranged in plurality and is circumferentially arranged on the circumferential surface of connecting plate 54, and such design is favorable to the sliding of force receiving plate 56 on the inner wall of sliding groove 55 when force receiving plate 56 is stressed.

[0029] The top of the collecting box 2 is provided with a cleaning device 6, which comprises a chain wheel 61 fixedly connected to the circumferential surface of the rotating shaft 52, the circumferential surface of the chain wheel 61 being drivingly connected with a chain 62, and the normal side of the fixed plate 3 being rotatably connected with a reciprocating screw rod 63, which facilitates clockwise rotation of the chain wheel 61 to drive the force wheel 65 to rotate clockwise through the chain 62.

[0030] The circumferential surface of the reciprocating screw rod 63 is threadedly connected with a reciprocating sleeve 64, the circumferential surface of the reciprocating screw rod 63 is fixedly connected with the force wheel 65, the circumferential surface of the reciprocating sleeve 64 is fixedly connected with a push rod 66, the side surface of the push rod 66 is fixedly connected with a brush plate 67, and the top of the collecting box 2 is provided with a rectangular slot 68, which facilitates driving the push rod 66 to move linearly reciprocatingly when the reciprocating sleeve 64 moves linearly reciprocatingly.

[0031] The bottom of the push rod 66 is slidingly connected to the top of the collecting box 2, and the chain 62 is drivingly connected to the circumferential surface of the force wheel 65, which facilitates driving the brush plate 67 to move linearly reciprocatingly when the push rod 66 moves linearly reciprocatingly.

[0032] The support leg 1 is provided with a plurality of support legs, which are symmetrically arranged in pairs and symmetrically arranged along the vertical central axis of the bottom of the collecting box 2, which facilitates the support leg 1 to support the entire machine body.

[0033] One specific application of the embodiment is that: first, when the worker needs to process the camshaft, the camshaft needs to be positioned and clamped, so that the worker can process it, so the worker needs to place the material to be processed on the inner wall of the connecting plate 54 before processing, when the material to be processed is placed on the inner wall of the connecting plate 54, the worker rotates the gear disc 510 through the action rod 514, forcing the gear disc 510 to rotate counterclockwise on the inner wall of the ring groove 58 through the force rod 59, when the gear disc 510 rotates counterclockwise, the special-shaped slot 511 opened on the circumferential surface of the gear disc 510 rotates counterclockwise, forcing the circular shaft 57 to drive the force plate 56 to slide on the inner wall of the sliding groove 55, so that the force plate 56 clamps the material placed on the inner wall of the connecting plate 54, during the clamping process of the material, when the gear disc 510 rotates counterclockwise, the push force is applied to the clamping block 513, the clamping block 513 moves upward in an arc shape through the receiving plate 512, when the gear disc 510 no longer rotates counterclockwise, the clamping block 513 is clamped at the gear teeth of the gear disc 510, preventing the gear disc 510 from being affected and rotating clockwise during the processing of the material, avoiding that the material cannot be clamped, then the worker turns on the external power source to force the motor 51 to drive the rotating shaft 52 to rotate clockwise, thereby processing, achieving the effect of positioning and clamping the material to be processed into a camshaft, facilitating the processing of the camshaft.

[0034] In the positioning device 5, when the material to be machined into a camshaft is fixed, the staff needs to turn on the external power supply to force the motor 51 to start, so that the material is machined, but a large amount of waste is generated during the machining process and placed on the top of the collecting box 2, the chain wheel 61 fixed on the circumferential surface of the rotating shaft 52 is forced to rotate clockwise, so that the chain wheel 61 drives the forced wheel 65 to rotate clockwise through the chain 62, when the forced wheel 65 rotates clockwise, the reciprocating wire rod 63 is forced to rotate clockwise, so that the reciprocating wire sleeve 64 is forced to move linearly, when the reciprocating wire sleeve 64 moves linearly, the push rod 66 is forced to slide linearly on the top of the collecting box 2, the brush plate 67 fixed on the side of the push rod 66 is forced to move linearly, the brush plate 67 is tightly attached to the top of the collecting box 2 and moves linearly, the waste on the top of the collecting box 2 can be brushed into the rectangular groove 68, so that the waste falls into the inside of the collecting box 2, which is convenient for the staff to collect the waste, and the cleaning effect of the top of the collecting box 2 is achieved, and the work efficiency of the staff is improved.

[0035] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0036] The preferred embodiments of the application disclosed above are only used to help explain the application. The preferred embodiments do not describe all the details, nor limit the application to the specific embodiments described. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and describes these embodiments in order to better explain the principles and practical applications of the application, so that those skilled in the art can well understand and utilize the application. The application is limited by the claims and their entire scope and equivalents.

Claims

1. A camshaft machining clamp with high-precision positioning function, comprising a supporting leg (1) and a collecting box (2), characterized in that: The collecting box (2) is fixedly connected at the top of the supporting leg (1), the top of the collecting box (2) is fixedly connected with a fixed plate (3), the front side of the fixed plate (3) is fixedly connected with a fixed assembly (4), and the front side of the fixed plate (3) is provided with a positioning device (5). The positioning device (5) is provided with a motor (51), the motor (51) is fixedly penetrated in the side of the fixed plate (3), the output shaft of the motor (51) is fixedly connected with a rotating shaft (52), the circumferential surface of the rotating shaft (52) is fixedly connected with a stress shaft (53), and the inner wall of the stress shaft (53) is fixedly connected with a connecting plate (54).

2. The camshaft machining fixture with high-precision positioning function according to claim 1, characterized in that, The circumferential surface of the connecting plate (54) is provided with a sliding groove (55), the inner wall of the sliding groove (55) is slidably connected with a stress plate (56), the front side of the stress plate (56) is fixedly connected with a circular shaft (57), the circumferential surface of the stress shaft (53) is provided with an annular groove (58), the inner wall of the annular groove (58) is slidably connected with a stress rod (59), one end of the stress rod (59) away from the inner wall of the annular groove (58) is fixedly connected with a toothed disc (510), the circumferential surface of the toothed disc (510) is penetrated with a special-shaped groove (511), the circumferential surface of the stress shaft (53) is fixedly connected with a bearing plate (512), the circumferential surface of the bearing plate (512) is rotatably connected with a clamping block (513), and the circumferential surface of the toothed disc (510) is fixedly connected with an action rod (514).

3. The camshaft machining fixture with high-precision positioning function according to claim 2, characterized in that, The side section of the connecting plate (54) is hollow, the side section of the stress plate (56) is special-shaped, and a plurality of stress plates (56) are circumferentially arranged on the circumferential surface of the connecting plate (54).

4. The camshaft machining fixture with high-precision positioning function according to claim 1, characterized in that, The top of the collecting box (2) is provided with a cleaning device (6), the cleaning device (6) comprises a chain wheel (61), the chain wheel (61) is fixedly connected to the circumferential surface of the rotating shaft (52), the circumferential surface of the chain wheel (61) is drivingly connected with a chain (62), and the front side of the fixed plate (3) is rotatably connected with a reciprocating screw rod (63).

5. The camshaft machining fixture with high-precision positioning function according to claim 4, characterized in that, The circumferential surface of the reciprocating screw rod (63) is threadedly connected with a reciprocating sleeve (64), the circumferential surface of the reciprocating screw rod (63) is fixedly connected with a stress wheel (65), the circumferential surface of the reciprocating sleeve (64) is fixedly connected with a push rod (66), the side of the push rod (66) is fixedly connected with a brush plate (67), and the top of the collecting box (2) is provided with a rectangular groove (68).

6. The camshaft machining fixture with high-precision positioning function according to claim 5, characterized in that, The bottom of the push rod (66) is slidably connected to the top of the collecting box (2), and the chain (62) is drivingly connected to the circumferential surface of the stress wheel (65).

7. The camshaft machining fixture with high-precision positioning function according to claim 1, characterized in that, The supporting leg (1) is provided with a plurality of supporting legs, which are symmetrically arranged in pairs and symmetrically arranged along the vertical central axis of the bottom of the collecting box (2).

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