CN212762897U

CN212762897U - Clamping device is used in camshaft processing convenient to dismouting

Info

Publication number: CN212762897U
Application number: CN202021683410.8U
Authority: CN
Inventors: 吴成武; 刘志伟; 韩景伟; 谢辰
Original assignee: Wuxi Derui Zhiyuan New Material Technology Co ltd; Remanufacturing Center of CNPC JPEC
Current assignee: Wuxi Derui Zhiyuan New Material Technology Co ltd; Remanufacturing Center of CNPC JPEC
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2021-03-23
Anticipated expiration: 2030-08-13

Abstract

The utility model discloses a camshaft processing clamping device convenient to disassemble and assemble, which comprises a box body, a fixed frame is fixedly connected on the side wall of the box body, a motor is fixedly arranged in the fixed frame, an output end of the motor is fixedly connected with a rotating shaft, a transmission thread is fixedly connected on the side wall of the rotating shaft in the box body, a moving block is rotatably connected on the transmission thread, a slide block is fixedly connected on the moving block, one end of the slide block, which is far away from the moving block, is detachably connected with a fixed block, a fixing mechanism for further clamping and fixing the camshaft to prevent the camshaft from rotating is arranged in the fixed block, the utility model is provided with two fixed blocks which move relatively, and the camshaft side wall is prevented from being directly clamped by clamping and fixing the two ends of the camshaft, thereby being convenient for workers to, the camshaft is further clamped and fixed by the mutual extrusion pressure of the fixed block and the cam rod.

Description

Clamping device is used in camshaft processing convenient to dismouting

Technical Field

The utility model relates to the field of machining, specifically a clamping device is used in camshaft processing convenient to dismouting.

Background

The camshaft is a component in the piston engine and is used for controlling the opening and closing actions of the valve, and because the valve motion law is related to the power and the running characteristics of the engine, the camshaft design plays an important role in the design process of the engine.

When maintaining the camshaft, need fix the camshaft, then polish and maintain the damage position again, some centre gripping fixed establishment at present, when carrying out centre gripping fixed to the camshaft, it is fixed directly to carry out the centre gripping to the lateral wall of camshaft, although play the fixed action to the camshaft, but also hindered the maintenance equipment and polished on the camshaft, need unblock centre gripping fixed establishment when polishing, then remove the camshaft, shift out the part that is sheltered from, then fix once more, could polish the camshaft, work efficiency is reduced, the operation is complicated, the user of being not convenient for uses.

In view of the above problems, an improved clamping device for camshaft machining, which is convenient to assemble and disassemble, is designed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a clamping device is used in camshaft processing convenient to dismouting 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 clamping device convenient for disassembly and assembly for processing a camshaft comprises a box body, wherein two sliding grooves are formed in the upper end of the box body, a fixed frame is fixedly connected onto the side wall of the box body, a motor is fixedly arranged in the fixed frame, the output end of the motor is fixedly connected with a rotating shaft, one end of the rotating shaft, far away from the motor, penetrates through the fixed frame and is rotatably connected onto the inner side wall of the box body, the rotating shaft is horizontally arranged in the box body, two transmission threads in opposite directions are fixedly connected onto the side wall of the rotating shaft in the box body, a moving block capable of moving along the side wall of the rotating shaft when the transmission threads rotate is rotatably connected onto the transmission threads, a sliding block sliding along the side wall of the sliding grooves is fixedly connected onto the moving block, one end, far away from the moving block, of the sliding block, and a fixing mechanism used for further clamping and fixing the camshaft to prevent the camshaft from rotating is arranged in the fixing block.

As a further aspect of the present invention: and a stop block for preventing the moving block from moving out of the transmission thread is fixedly connected to the center of the rotating shaft.

As a further aspect of the present invention: the fixing mechanism comprises a hydraulic frame, the hydraulic frame is fixedly connected to the bottom end of the mounting opening, a telescopic rod is connected to the inside of the hydraulic frame in a sliding mode, one end, far away from the hydraulic frame, of the telescopic rod penetrates through a hydraulic frame fixedly connected with extrusion plate, the extrusion plate is arranged in the mounting opening, hydraulic oil is filled in the hydraulic frame, an opening, convenient for hydraulic oil in the hydraulic frame to flow, is formed in the bottom of the hydraulic frame, and one end, far away from the opening, of a liquid guide pipe fixedly connected with the hydraulic frame.

The one end that hydraulic pressure frame was kept away from to the catheter is provided with the centre gripping frame, sliding connection has the supporting rod in the centre gripping frame, the one end that the clamping rod was kept away from the centre gripping frame passes the centre gripping frame and sets up in the installing port, the supporting rod is mutually perpendicular with the installing port lateral wall, centre gripping frame bottom is provided with the small opening, the small opening communicates with the catheter each other.

As a further aspect of the present invention: and a spring for extending the extrusion plate is fixedly arranged on the side wall of the telescopic rod between the extrusion plate and the hydraulic frame.

As a further aspect of the present invention: and the telescopic rod and the clamping rod are fixedly connected with sealing gaskets for preventing hydraulic oil from leaking.

As a further aspect of the present invention: one end of the clamping rod, which is far away from the clamping frame, is fixedly connected with a rubber block which is convenient for the clamping rod to clamp and fix the camshaft.

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

1. the utility model discloses be provided with two relative movement's fixed block, it is fixed through carrying out the centre gripping to the camshaft both ends, avoid directly carrying out the centre gripping to the camshaft lateral wall, the staff of being convenient for polishes on the camshaft, prevents that clamping device from influencing grinding device and carrying out the work of polishing, improves work efficiency, and the staff of being convenient for operates.

2. The utility model discloses still be provided with fixed establishment, utilize the mutual extruded pressure of fixed block and cam lever, collect pressure through the stripper plate, rethread hydraulic oil promotes the centre gripping pole and fixes the camshaft, prevents that the camshaft from rolling, further improves the fixed effect of centre gripping, improves clamping device's stability and machining precision, simple structure, convenient to use person uses.

Drawings

Fig. 1 is a schematic diagram of the three-dimensional structure of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a schematic structural diagram of the middle fixing mechanism of the present invention.

Wherein: the device comprises a box body 1, a sliding groove 2, a fixed frame 3, a motor 4, a rotating shaft 5, a transmission thread 6, a moving block 7, a stop block 8, a sliding block 9, a fixed block 10, a mounting opening 11, a hydraulic frame 12, an expansion rod 13, a squeezing plate 14, a spring 15, an opening 16, a liquid guide pipe 17, a clamping frame 18, a clamping rod 19 and a leak hole 20.

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 to 3, in the embodiment of the present invention, a clamping device for processing a camshaft, which is convenient to disassemble and assemble, includes a box body 1, two sliding grooves 2 are formed at the upper end of the box body 1, a fixing frame 3 is fixedly connected to the side wall of the box body 1, a motor 4 is fixedly installed in the fixing frame 3, a rotating shaft 5 is fixedly connected to the output end of the motor 4, one end of the rotating shaft 5, which is far away from the motor 4, passes through the fixing frame 3 and is rotatably connected to the inner side wall of the box body 1, the rotating shaft 5 is horizontally arranged in the box body 1, two transmission threads 6 with opposite directions are fixedly connected to the side wall of the rotating shaft 5 in the box body 1, a moving block 7 capable of moving along the side wall of the rotating shaft 5 when the transmission threads 6 rotate is rotatably connected to the transmission threads 6, the movable block 7 is fixedly connected with a sliding block 9 which slides along the side wall of the sliding groove 2, the sliding block 9 is arranged in the sliding groove 2, one end of the sliding block 9, far away from the movable block 7, is detachably connected with a fixed block 10 which is used for clamping a camshaft through screws and bolts, the side wall, close to the central position of the box body 1, of the fixed block 10 is provided with an installation opening 11 which is used for fixing the camshaft, a fixing mechanism which is used for further clamping and fixing the camshaft to prevent the camshaft from rotating is arranged in the fixed block 10, when in use, the camshaft is placed in the installation opening 11 of the fixed block 10, the motor 4 is started, the output end of the motor 4 drives the rotating shaft 5 to rotate, the rotating shaft 5 drives the transmission thread 6 to rotate, the transmission thread 6 drives the two movable blocks 7 to approach each other, the movable blocks 7 drive the sliding block, compared with the prior art, through carrying out the centre gripping to the camshaft both ends fixed, avoid directly carrying out the centre gripping to the camshaft lateral wall, the staff of being convenient for polishes on the camshaft, prevents that clamping device from influencing grinding device and carrying out the work of polishing, improves work efficiency, and the staff of being convenient for operates.

Fixing mechanism includes hydraulic frame 12, hydraulic frame 12 fixed connection is in 11 bottoms of installing port, sliding connection has telescopic link 13 in hydraulic frame 12, hydraulic frame 12 fixedly connected with stripper plate 14 is passed to the one end that hydraulic frame 12 was kept away from to telescopic link 13, stripper plate 14 sets up in installing port 11, fixed mounting has the spring 15 that is used for making stripper plate 14 to stretch out on the telescopic link 13 lateral wall between stripper plate 14 and the hydraulic frame 12, hydraulic frame 12 intussuseption is filled with hydraulic oil, the opening 16 that the hydraulic oil in the hydraulic frame 12 of being convenient for flows is seted up to hydraulic frame 12 bottom, the one end fixedly connected with catheter 17 of hydraulic frame 12 is kept away from to opening 16.

The one end that the hydraulic frame 12 was kept away from to liquid guide pipe 17 is provided with centre gripping frame 18, sliding connection has clamping rod 19 in the centre gripping frame 18, clamping rod 19 one end of keeping away from centre gripping frame 18 passes centre gripping frame 18 and sets up in installing port 11, clamping rod 19 and installing port 11 lateral wall mutually perpendicular, centre gripping frame 18 bottom is provided with small opening 20, small opening 20 and liquid guide pipe 17 communicate each other, fixing mechanism's theory of operation is that fixed block 10 is close to each other and extrudes the camshaft, camshaft extrusion pressing plate 14, and extrusion pressing plate 14 promote telescopic link 13 and slide along hydraulic frame 12 lateral wall, and extrude the hydraulic oil in hydraulic frame 12, and hydraulic oil flows to liquid guide pipe 17 through opening 16, and liquid guide pipe 17 carries hydraulic oil to in the centre gripping frame 18 through small opening 20, and under the effect of hydraulic oil pressure, clamping rod 19 slides out along centre gripping frame 18 lateral wall to the camshaft in the installing port 11, the fixed establishment's effect utilizes fixed block 10 and the mutual extruded pressure of cam lever, collects pressure through stripper plate 14, and rethread hydraulic oil promotes supporting rod 19 and fixes the camshaft, prevents that the camshaft from rolling, further improves the fixed effect of centre gripping, improves clamping device's stability and machining precision, simple structure, and convenient to use person uses.

The utility model discloses a theory of operation is:

when the camshaft clamping device is used, a camshaft is placed in the mounting hole 11 of the fixing block 10, the motor 4 is started, the output end of the motor 4 drives the rotating shaft 5 to rotate, the rotating shaft 5 drives the transmission threads 6 to rotate, the transmission threads 6 drive the two moving blocks 7 to mutually approach, the moving blocks 7 drive the sliding block 9 to move, and the sliding block 9 drives the fixing block 10 to mutually approach, so that the camshaft placed in the mounting hole 11 is clamped and fixed;

when fixed block 10 is close to each other and extrudes the camshaft, camshaft extrusion stripper plate 14, stripper plate 14 promotes telescopic link 13 and slides along the 12 lateral walls of hydraulic pressure frame, and extrude the hydraulic oil in the hydraulic pressure frame 12, hydraulic oil flows to in the liquid guide pipe 17 through opening 16, in liquid guide pipe 17 carries clamping frame 18 through small opening 20 to hydraulic oil, under the effect of hydraulic pressure oil pressure, clamping rod 19 is along the 18 lateral walls roll-off of clamping frame, thereby carry out the centre gripping to the camshaft in the installing port 11 and fix.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The clamping device convenient to disassemble and assemble for machining the camshaft comprises a box body (1), wherein two sliding grooves (2) are formed in the upper end of the box body (1), and is characterized in that a fixed frame (3) is fixedly connected to the side wall of the box body (1), a motor (4) is fixedly installed in the fixed frame (3), a rotating shaft (5) is fixedly connected to the output end of the motor (4), one end, far away from the motor (4), of the rotating shaft (5) penetrates through the fixed frame (3) to be rotatably connected to the inner side wall of the box body (1), the rotating shaft (5) is horizontally arranged in the box body (1), two transmission threads (6) opposite in direction are fixedly connected to the side wall of the rotating shaft (5) in the box body (1), and a moving block (7) capable of moving along the side wall of the rotating shaft (5) when the transmission threads (6) rotate, the camshaft fixing device is characterized in that a sliding block (9) which slides along the side wall of the sliding groove (2) is fixedly connected to the moving block (7), one end, far away from the moving block (7), of the sliding block (9) is detachably connected with a fixing block (10) used for clamping a camshaft through screws and bolts, an installation opening (11) used for fixing the camshaft is formed in the side wall, close to the center of the box body (1), of the fixing block (10), and a fixing mechanism used for further clamping and fixing the camshaft to prevent the camshaft from rotating is arranged in the fixing block (10).

2. The clamping device for processing the camshaft convenient to assemble and disassemble as claimed in claim 1, wherein a stop block (8) for preventing the moving block (7) from moving out of the transmission thread (6) is fixedly connected to the center position of the rotating shaft (5).

3. The clamping device convenient to disassemble and assemble for camshaft machining as claimed in claim 1, wherein the fixing mechanism comprises a hydraulic frame (12), the hydraulic frame (12) is fixedly connected to the bottom end of the mounting opening (11), an expansion link (13) is slidably connected in the hydraulic frame (12), one end of the expansion link (13) far away from the hydraulic frame (12) penetrates through the hydraulic frame (12) and is fixedly connected with a squeezing plate (14), the squeezing plate (14) is arranged in the mounting opening (11), hydraulic oil is filled in the hydraulic frame (12), an opening (16) convenient for hydraulic oil in the hydraulic frame (12) to flow is formed in the bottom of the hydraulic frame (12), and one end of the opening (16) far away from the hydraulic frame (12) is fixedly connected with a liquid guide pipe (17);

the one end that hydraulic pressure frame (12) were kept away from in catheter (17) is provided with centre gripping frame (18), sliding connection has clamping rod (19) in centre gripping frame (18), clamping rod (19) keep away from the one end of centre gripping frame (18) and pass centre gripping frame (18) and set up in installing port (11), clamping rod (19) and installing port (11) lateral wall mutually perpendicular, centre gripping frame (18) bottom is provided with small opening (20), small opening (20) and catheter (17) communicate each other.

4. The clamping device for processing the camshaft, which is convenient to assemble and disassemble and comprises the claim 3, is characterized in that a spring (15) for extending the extrusion plate (14) is fixedly arranged on the side wall of the telescopic rod (13) between the extrusion plate (14) and the hydraulic frame (12).

5. The clamping device for processing the camshaft convenient to disassemble and assemble as claimed in claim 3, wherein the telescopic rod (13) and the clamping rod (19) are both fixedly connected with sealing gaskets for preventing hydraulic oil from leaking.

6. The clamping device for processing the camshaft convenient to assemble and disassemble as claimed in claim 3, wherein a rubber block convenient for the clamping rod (19) to clamp and fix the camshaft is fixedly connected to one end of the clamping rod (19) far away from the clamping frame (18).