Clamp tool for plane milling of shifting fork

Abstract

The utility model relates to the technical field of shifting fork plane milling, and discloses a clamp tool for shifting fork plane milling, which comprises a clamp table and is characterized in that a control assembly is arranged, when a disc is rotated on the surface of the clamp table, the disc can drive a threaded rod to rotate in the clamp table, and the threaded rod can rotate in the clamp table; a push rod hinged to the surface of the moving block pulls a supporting frame to be folded towards the center area of the clamp table, clamping plates synchronously move towards the shifting forks, and when the shifting forks abut against the surfaces of the clamping plates, the clamping plates can extrude telescopic rods; when a workpiece is fixed, a flat rod fixed to the surface of a clamping plate abuts against the tangent plane of a supporting block, a sliding plate fixed to the surface of the supporting block can slide on the surface of a supporting rod, when the sliding plate moves, a limiting rod is clamped into a through hole, sliding of a supporting frame is limited through a limiting block, and therefore the workpiece is stably fixed, and the situation that the fixing force is too large or the workpiece is not fixed tightly is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a fork plane milling processing technical field, concretely is a kind of fixture frock for fork plane milling processing. BACKGROUND

[0002] Fork is the component on the automobile gearbox, connected with gear handle, located in the lower end of handle, and the intermediate gear is moved, so that input or output speed ratio changes, the fork on machine tool is used for speed change, mainly used in control mechanism, that is, two meshing gears are pried apart, and one of the gears that can slide on the shaft is pried onto another gear to obtain another speed, i.e. change the position of lathe sliding gear to realize speed change, or applied to the mechanism for controlling the engagement and disengagement of clutch, so as to control the transverse or longitudinal feed, the fork has excellent performance, and the demand is large, and the rear part of the fork needs to be drilled during the processing of the fork, in the traditional fork processing process, hand-held clamping is used for processing, if there is a mistake, the worker is easy to be injured, so the fixture needs to be used.

[0003] According to a kind of fork processing fixture frock (announcement number: CN213163214U) disclosed, in the above application, by rotating first hand wheel and second hand wheel, make screw column separate from second screw groove, two limit posts can be moved towards each other, make supporting column separate from cooperation groove, limit ring can be moved towards supporting block direction, push two first hand wheels towards each other, after two limit posts contact with fork rear part, reverse rotate first hand wheel, make screw column and second screw groove screw connection, under the limiting action of screw column and second screw groove, make limit post immovable, fork rear part will be fixed, this mode can fix fork, but during the process of fixing, after one set of hand wheel is screwed, another set of hand wheel is screwed again to fix fork, so that workpiece cannot be centered during the process of fixing fork, and during the process of fixing, whether workpiece is fixed tightly cannot be judged, so that workpiece is prone to be fixed too tightly, so that scratch on the surface of fork occurs, or workpiece is not fixed tightly, so that workpiece is prone to be offset during the process of processing, to solve the problem, we propose a kind of fixture frock for fork plane milling processing. SUMMARY

[0004] The utility model aims at providing a kind of fixture frock for fork plane milling processing, to solve the problem raised in the above background.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: a kind of fork plane milling processing is clamped with fixture, including fixture table, the surface of the fixture table is fixedly installed with locating block, the surface of the fixture table is attached with the surface of clamping plate, the surface of the clamping plate is fixedly connected with the one end of telescopic link, the other end of telescopic link is fixedly installed on the surface of support plate, control assembly that prevents excessive force to fork is arranged in the fixture table, the control assembly includes: fixed rod, the fixed rod is fixedly installed on the inner wall of fixture table, the surface of the fixed rod is equipped with through-hole, the surface of the fixed rod is attached with the inner wall of support frame, support frame is penetrated fixture table and is connected with fixture table slidingly, the top of support frame is fixedly connected with the bottom of support plate, the inner wall of support plate is connected with sliding plate slidingly, the surface of sliding plate is hinged with limit rod, the surface of sliding plate is fixedly installed with limit block, this mode can be stably fixed to workpiece, avoid excessive force or not fixed tightly occurs.

[0006] Preferably, the control assembly includes a fixing member, the fixing member includes: a support rod, the support rod is fixedly installed on the inner wall of the support plate, the support rod penetrates the sliding plate and is connected with the sliding plate slidingly, the surface of the sliding plate is fixedly connected with one side of the torsion spring, the other side of the torsion spring is fixedly installed on the surface of the support plate, the setting of the support rod can move the sliding plate and provide stable support.

[0007] Preferably, the surface of the support rod is fixedly connected with one end of the first spring, the other end of the first spring is fixedly installed on the surface of the sliding plate, the surface of the sliding plate is fixedly installed with a support block, when the support block is no longer resisted, the sliding plate fixed on the surface of the support block will be popped up under the support of the first spring.

[0008] Preferably, the side edge of the clamping plate is fixedly installed with a flat rod, when the clamping plate moves, the flat rod fixed on the surface of the clamping plate can synchronously move horizontally.

[0009] Preferably, the surface of the support frame is hinged with one end of a push rod, the other end of the push rod is hinged with the surface of a moving block, the moving block is penetrated by a threaded rod and is threadedly connected with the threaded rod, the threaded rod penetrates the fixture table and is rotationally connected with the fixture table, when the threaded rod rotates, the moving block can slide, and the push rod hinged with the surface of the moving block can push the support frame to slide.

[0010] Preferably, the surface of the threaded rod is fixedly installed with a disc, the disc is rotationally connected with the surface of the fixture table, the disc is penetrated by a pressing rod and is slidingly connected with the pressing rod, the surface of the pressing rod is fixedly installed with a clamping rod, the surface of the pressing rod is fixedly connected with one end of a second spring, the other end of the second spring is fixedly installed on the inner wall of the disc, when the pressing rod is extruded, the pressing rod will be driven out of the spacing between the protrusions under the support of the second spring.

[0011] Preferably, the surface of the clamp table is fixedly provided with a fixing ring, and the inner wall of the fixing ring is fixedly provided with a protrusion.

[0012] Compared with the prior art, the utility model provides a kind of gudgeon plane milling processing with fixture frock, with following beneficial effects:

[0013] 1、The gudgeon plane milling processing with fixture frock, by being provided with control component, when the surface of the clamp table rotates disc, disc can drive threaded rod to rotate in clamp table, then moving block can slide on the surface of threaded rod, the push rod articulated on the surface of moving block pulls support frame to converge towards the central region of clamp table, clamp plate moves to the position of gudgeon synchronously, when gudgeon is in contact with the surface of clamp plate, clamp plate can extrude telescopic rod, when clamp plate moves, flat bar fixed on the surface of clamp plate will be in contact with the section of support block, then the slide fixed on the surface of support block can slide on the surface of support rod, when slide moves, limit rod is clamped into through hole, and the sliding of support frame is limited by limiting block, so that workpiece is stably fixed, avoid the condition that fixed force is too large or not fixed tightly.

[0014] 2、The gudgeon plane milling processing with fixture frock, by being provided with fixing piece, because the surface of disc can rotate in clamp table, threaded rod fixed on the surface of disc can rotate in clamp table synchronously, so when the pressure rod in disc is not extruded, the clamping rod fixed on the surface of pressure rod is located in the spacing between the protrusions in fixing ring, then the protrusion can limit clamping rod and disc, this mode can limit the movement of clamp plate twice, avoid loosening due to accidental touch in the process of use. SHEET DESCRIPTION

[0015] Figure 1 It is front view structure schematic diagram of the utility model;

[0016] Figure 2 It is top view sectional structure schematic diagram of the utility model;

[0017] Figure 3 It is clamp table sectional structure schematic diagram of the utility model;

[0018] Figure 4 It is control component structure schematic diagram of the utility model;

[0019] Figure 5 It is fixing piece structure schematic diagram of the utility model.

[0020] In the figure: 1, clamp table; 2, positioning block; 3, clamping plate; 4, telescopic rod; 5, support plate; 6, control assembly; 61, fixed rod; 62, through hole; 63, support frame; 64, sliding plate; 65, limiting rod; 66, limiting block; 67, fixing piece; 671, support rod; 672, spring I; 673, support block; 674, torsional spring; 675, flat rod; 676, push rod; 677, moving block; 678, threaded rod; 679, disc; 6710, pressing rod; 6711, spring II; 6712, clamping rod; 6713, fixed ring; 6714, protruding block. DETAILED DESCRIPTION

[0021] As Figures 1-5 shown, the utility model provides a kind of technical scheme: a kind of yoke plane milling processing is used clamp frock, including clamp table 1, the surface of clamp table 1 is fixedly installed with positioning block 2, the surface of clamp table 1 is bonded with the surface of clamping plate 3, the surface of clamping plate 3 is fixedly connected with one end of telescopic rod 4, the other end of telescopic rod 4 is fixedly installed on the surface of support plate 5, control assembly 6 is provided in clamp table 1 to prevent excessive fixing force to yoke, control assembly 6 includes: fixed rod 61, fixed rod 61 is fixedly installed on the inner wall of clamp table 1, through hole 62 is opened in the surface of fixed rod 61, the surface of fixed rod 61 is bonded with the inner wall of support frame 63, support frame 63 penetrates clamp table 1 and is slidably connected with clamp table 1, the top of support frame 63 is fixedly connected with the bottom of support plate 5, the inner wall of support plate 5 is slidably connected with sliding plate 64, the surface of sliding plate 64 is hinged with limiting rod 65, the surface of sliding plate 64 is fixedly installed with limiting block 66, clamping plate 3 can extrude telescopic rod 4, flat rod 675 fixed on the surface of clamping plate 3 moves synchronously, and is abutted to the section of support block 673, after being abutted, support block 673 will drive sliding plate 64 to move longitudinally along the surface of support rod 671, when sliding plate 64 moves, limiting rod 65 is clamped into the through hole 62 opened in the surface of fixed rod 61, and the convergence movement of support frame 63 is limited by limiting block 66, which can stably fix workpiece, avoid excessive fixing force or not fixed tightly.

[0022] The control assembly 6 comprises a fixing member 67, which comprises a support rod 671 fixedly installed on the inner wall of the support plate 5, penetrates through the sliding plate 64 and is in sliding connection with the sliding plate 64, the surface of the sliding plate 64 is fixedly connected with one side of a torsion spring 674, the other side of the torsion spring 674 is fixedly installed on the surface of the support plate 5, the support rod 671 is arranged to provide stable support for the movement of the sliding plate 64. The surface of the support rod 671 is fixedly connected with one end of a spring 672, the other end of the spring 672 is fixedly installed on the surface of the sliding plate 64, the surface of the sliding plate 64 is fixedly installed with a supporting block 673, when the supporting block 673 is no longer resisted, the sliding plate 64 fixed on the surface of the supporting block 673 will be popped up under the support of the spring 672. The side edge of the clamping plate 3 is fixedly installed with a flat rod 675, when the clamping plate 3 moves, the flat rod 675 fixed on the surface of the clamping plate 3 can synchronously move horizontally. The surface of the support frame 63 is hingedly connected with one end of a push rod 676, the other end of the push rod 676 is hingedly connected with the surface of a moving block 677, the moving block 677 is penetrated by a threaded rod 678 and is in threaded connection with the threaded rod 678, the threaded rod 678 penetrates through the clamp table 1 and is in rotational connection with the clamp table 1, when the threaded rod 678 rotates, the moving block 677 can slide, and the push rod 676 hingedly connected with the surface of the moving block 677 can push the support frame 63 to slide. The surface of the threaded rod 678 is fixedly installed with a disc 679, the disc 679 is rotatably connected with the surface of the clamp table 1, the disc 679 is penetrated by a pressing rod 6710 and is in sliding connection with the pressing rod 6710, the surface of the pressing rod 6710 is fixedly installed with a clamping rod 6712, the surface of the pressing rod 6710 is fixedly connected with one end of a spring 6711, the other end of the spring 6711 is fixedly installed on the inner wall of the disc 679, when the pressing rod 6710 is pressed, the pressing rod 6710 will be driven to move out of the spacing between the protrusions 6714 under the support of the spring 6711. The surface of the clamp table 1 is fixedly installed with a fixed ring 6713, the inner wall of the fixed ring 6713 is fixedly installed with the protrusions 6714, the protrusions 6714 in the fixed ring 6713 are arranged to limit the rotation of the disc 679.

[0023] In the utility model, when using, the shift fork that needs to be fixed is placed on the surface of the clamp table 1, after placing, the positioning block 2 on the surface of the clamp table 1 can preliminarily position the front end of the shift fork, after positioning, the pressure rod 6710 is pressed down in the disc 679, the pressure rod 6710 is supported under spring two 6711, drives the clamping rod 6712 to move out from the spacing between the protrusion 6714 and the protrusion 6714, after moving out, the force of keeping pressing down is kept, and the disc 679 is rotated on the surface of the clamp table 1, when the disc 679 rotates, the threaded rod 678 fixed on the surface of the disc 679 can rotate synchronously in the clamp table 1, and in the process of rotating the threaded rod 678, the moving block 677 can slide on the surface of the threaded rod 678, when the moving block 677 moves, the push rod 676 articulated on the surface of the moving block 677 can be folded, the supporting frame 63 is pulled to slide on the surface of the fixed rod 61, when the supporting frame 63 moves, the clamping plate 3 connected by the supporting plate 5 and the telescopic rod 4 on the surface of the supporting frame 63 can move synchronously towards the position of the shift fork, and when the clamping plate 3 abuts against the surface of the shift fork, the shift fork will exert reverse pressure on the clamping plate 3, then the clamping plate 3 can extrude the telescopic rod 4, the flat rod 675 fixed on the surface of the clamping plate 3 moves synchronously and abuts against the cutting surface of the supporting block 673, after the supporting block 673 is abutted, the supporting block 673 will drive the sliding plate 64 to move longitudinally along the surface of the supporting rod 671, when the sliding plate 64 moves, the limiting rod 65 is clamped into the through hole 62 formed on the surface of the fixed rod 61, and the supporting frame 63 is limited from folding by the limiting block 66, this mode can stably fix the workpiece, after fixing, the force of pressing the pressure rod 6710 is released, then the pressure rod 6710 will be popped up under the support of spring two 6711, the clamping rod 6712 fixed on the surface of the pressure rod 6710 will be clamped into the spacing between the two groups of protrusions 6714, this mode can secondarily protect the fixed workpiece, after fixing, the workpiece can be processed, after processing, the pressure rod 6710 is pressed again, and the disc 679 is reversed, then the supporting frame 63 can move to the two sides of the clamp table 1, when the limiting rod 65 abuts against the through hole 62, it can be folded under the support of the torsional spring 674, so that the fixing of the workpiece is released.

[0024] The utility model has been described in detail above, but some modifications or improvements can be made on the basis of the utility model, which is obvious to the general technical personnel in the technical field. Therefore, the modifications or improvements without departing from the spirit of the utility model are within the protection scope of the utility model.

Claims

1. A fixture for milling a shift fork plane, comprising a fixture table (1), characterized in that: A positioning block (2) is fixedly installed on the surface of the clamping table (1). The surface of the clamping table (1) is in contact with the surface of the clamping plate (3). The surface of the clamping plate (3) is fixedly connected to one end of the telescopic rod (4). The other end of the telescopic rod (4) is fixedly installed on the surface of the support plate (5). A control component (6) is provided inside the clamping table (1) to prevent excessive fixing force on the shift fork. The control component (6) includes a fixing rod (61). The fixing rod (61) is fixedly installed on the inner wall of the clamping table (1). Above, the surface of the fixing rod (61) is provided with a through hole (62), the surface of the fixing rod (61) is in contact with the inner wall of the support frame (63), the support frame (63) passes through the fixture table (1) and is slidably connected to the fixture table (1), the top of the support frame (63) is fixedly connected to the bottom of the support plate (5), the inner wall of the support plate (5) is slidably connected to the slide plate (64), the surface of the slide plate (64) is hinged to the limiting rod (65), and the surface of the slide plate (64) is fixedly installed with a limiting block (66).

2. The fixture for milling a shift fork plane according to claim 1, characterized in that: The control assembly (6) includes a fixing member (67), which includes a support rod (671). The support rod (671) is fixedly installed on the inner wall of the support plate (5). The support rod (671) passes through the slide plate (64) and is slidably connected to the slide plate (64). The surface of the slide plate (64) is fixedly connected to one side of the torsion spring (674), and the other side of the torsion spring (674) is fixedly installed on the surface of the support plate (5).

3. The fixture for milling a shift fork plane according to claim 2, characterized in that: The surface of the support rod (671) is fixedly connected to one end of the spring (672), and the other end of the spring (672) is fixedly installed on the surface of the slide plate (64). A support block (673) is fixedly installed on the surface of the slide plate (64).

4. The fixture for milling a shift fork plane according to claim 1, characterized in that: A flat bar (675) is fixedly installed on the side of the clamp (3).

5. The fixture for milling a shift fork plane according to claim 2, characterized in that: The surface of the support frame (63) is hinged to one end of the push rod (676), and the other end of the push rod (676) is hinged to the surface of the moving block (677). The moving block (677) is penetrated by the threaded rod (678) and is threadedly connected to the threaded rod (678). The threaded rod (678) penetrates the fixture table (1) and is rotatably connected to the fixture table (1).

6. The fixture for milling a shift fork plane according to claim 5, characterized in that: A disc (679) is fixedly mounted on the surface of the threaded rod (678). The disc (679) is rotatably connected to the surface of the fixture table (1). The disc (679) is penetrated by a pressure rod (6710) and is slidably connected to the pressure rod (6710). A clamping rod (6712) is fixedly mounted on the surface of the pressure rod (6710). The surface of the pressure rod (6710) is fixedly connected to one end of a second spring (6711). The other end of the second spring (6711) is fixedly mounted on the inner wall of the disc (679).

7. The fixture for milling a shift fork plane according to claim 1, characterized in that: A fixing ring (6713) is fixedly installed on the surface of the fixture table (1), and a protrusion (6714) is fixedly installed on the inner wall of the fixing ring (6713).

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