Workpiece gear shaping fixing tool

Abstract

The utility model belongs to the technical field of machining, and particularly relates to a workpiece gear shaping fixing tool which comprises a base, a plurality of positioning pieces and a plurality of limiting pieces. The base is disc-shaped, an annular convex edge is arranged on the base, and a plurality of workpieces can be stacked on the top of the convex edge; the multiple positioning pieces and the multiple limiting pieces are evenly distributed on the inner side or the outer side of the protruding edge in the circumferential direction, the positioning pieces and the limiting pieces are arranged at intervals, the positioning pieces and the limiting pieces are detachably connected with the base, the positioning pieces can abut against the inner circles or the outer circles of all the workpieces, and the limiting pieces are used for pressing all the workpieces on the protruding edge; the technical problems that an existing vertical gear shaper can only achieve gear shaping machining of a single workpiece at a time, and the gear wiping efficiency is low are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of mechanical processing, and in particular relates to a workpiece gear-slotting fixing tool. Background Art

[0002] Gear shaping machines are gear processing machines that use gear shaping cutters to process internal and external spur and helical cylindrical gears and other gear-shaped parts according to the generating method. Gear shaping machines include vertical and horizontal types. When using a vertical gear shaping machine to process a workpiece, the workpiece and the gear shaping cutter are installed on the worktable and the tool spindle respectively. The worktable rotates, and the gear shaping cutter simultaneously rotates and reciprocates up and down to complete the tooth processing of the workpiece. The worktable of the existing vertical gear shaping machine can only fix one workpiece, and the gear shaping machine can only process one workpiece at a time, so the gear rubbing efficiency is low and the processing time is long. Utility Model Content

[0003] The utility model aims to provide a workpiece gear shaping fixing device to solve the technical problem that the existing vertical gear shaping machine can only realize the gear shaping processing of a single workpiece at a time and has low gear rubbing efficiency.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0005] A workpiece gear-inserting fixing tool comprises a base, a plurality of positioning members and a plurality of limiting members; the base is disc-shaped, and is provided with an annular convex edge, and a plurality of workpieces can be stacked and placed on the top of the convex edge; the plurality of positioning members and the plurality of limiting members are uniformly distributed on the inner side or the outer side of the convex edge in the circumferential direction, the positioning members and the limiting members are arranged at intervals, and the positioning members and the limiting members are detachably connected to the base, the positioning members can be abutted against the inner circle or the outer circle of all the workpieces, and the limiting members are used to press all the workpieces against the convex edge.

[0006] Furthermore, the base is provided with a plurality of first positioning grooves and a plurality of second positioning grooves, the plurality of first positioning grooves are evenly distributed circumferentially on the inner side of the flange, and the plurality of second positioning grooves are evenly distributed circumferentially on the outer side of the flange; each positioning member includes a positioning column and a positioning bolt, and the positioning column can be removably installed in the first positioning groove or the second positioning groove by the positioning bolt.

[0007] Furthermore, the base is provided with a plurality of first limiting holes and a plurality of second limiting holes, the plurality of first limiting holes are evenly distributed circumferentially on the inner side of the flange, and the plurality of second limiting holes are evenly distributed circumferentially on the outer side of the flange; each limiting member includes a limiting bolt and a pressure plate, the pressure plate can be detachably installed in the first limiting hole or the second limiting hole by the limiting bolt, and the pressure plate presses the upper end surface of the workpiece downward.

[0008] Furthermore, the limiting member also includes a liner, one end of the liner is against the base, and the other end of the liner is against an end of the pressing plate away from the workpiece, and the liner is used to provide a support point for the pressing plate.

[0009] Furthermore, a plurality of diversion holes corresponding to the positions of the first positioning grooves are provided on the base. The plurality of diversion holes are circumferentially and uniformly distributed inside the convex edge, and the diversion holes and the first positioning grooves at corresponding positions communicate with each other; the second positioning groove penetrates through the outer wall of the base.

[0010] The technical principle of the present utility model is as follows:

[0011] During use, the base is installed on the workbench of the gear shaper. A plurality of workpieces to be processed are stacked on the convex edge. If the workpieces need to be processed with external teeth, the positioning posts are placed inside the convex edge, and the positions of all the positioning posts are adjusted so that the positioning posts abut against the inner circles of all the workpieces. Then, the positioning posts are fixed on the base by cooperating with the first positioning grooves through the positioning bolts to limit the horizontal movement of the workpieces. Then, a liner tube with the same height as the stacking height of the workpieces is selected and placed inside the convex edge. The two ends of the pressing plate are respectively placed on the upper ends of the workpieces and the liner tube, and the pressing plate is pressed downward against all the workpieces by cooperating with the first limiting holes through the limiting bolts to limit the vertical movement of the workpieces. If the workpieces need to be processed with internal teeth, the positioning posts are placed outside the convex edge so that the positioning posts abut against the outer circles of all the workpieces, and the positioning posts are fixed on the base by cooperating with the second positioning grooves through the positioning bolts. Then, the liner tube is placed outside the convex edge, the two ends of the pressing plate are respectively placed on the upper ends of the workpieces and the liner tube, and the pressing plate is pressed downward against all the workpieces by cooperating with the second limiting holes through the limiting bolts. After the positions of the workpieces are fixed, the gear shaper can be used to process the external teeth or internal teeth of a plurality of workpieces simultaneously.

[0012] Compared with the prior art, the present utility model has the following beneficial technical effects:

[0013] 1. By providing the positioning members and the limiting members, the present utility model can fix a plurality of workpieces on the base, enabling the gear shaper to perform tooth profile processing on a plurality of workpieces at one time, reducing the clamping times of the workpieces, and effectively improving the gear shaping efficiency of the gear shaper.

[0014] 2. By providing the first positioning grooves, the second positioning grooves, the first limiting holes and the second limiting holes on the base, the present utility model enables the base to be applicable to the processing of both internal teeth and external teeth of workpieces, having good versatility; moreover, the positioning members can be fixed at any position of the first positioning grooves or the second positioning grooves, enabling different sizes and specifications of workpieces to be fixed on the base, further improving the versatility of the base and effectively saving the manufacturing cost of enterprises.

[0015] 3. The diversion holes, the first positioning grooves and the second positioning grooves in the present utility model are all communicated with the outside, enabling the working fluid in the processing process to flow smoothly to the outside of the base, avoiding the accumulation of debris in the working fluid in the base and the first positioning grooves and the second positioning grooves, and being able to be conveniently and quickly cleaned and dredged after the accumulation, avoiding the influence of debris accumulation on the installation of the positioning members and the limiting members. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a top view of the base of the utility model;

[0017] Figure 2 for Figure 1 Cross-sectional views in the AA and BB directions;

[0018] Figure 3 This is a schematic diagram of clamping for machining external teeth of a workpiece;

[0019] Figure 4 for Figure 3 Cross-sectional view in CC direction;

[0020] Figure 5 This is a schematic diagram of clamping for internal gear machining of workpiece;

[0021] Figure 6 for Figure 5 Cross-sectional view along the DD direction. DETAILED DESCRIPTION

[0022] The following is further described in detail through specific implementation methods:

[0023] The reference numerals in the drawings of the specification include:

[0024] Base 1, convex edge 11, first positioning groove 12, second positioning groove 13, first limiting hole 14, second limiting hole 15, guide hole 16;

[0025] Positioning member 2, positioning column 21, positioning bolt 22;

[0026] Limiting member 3, pressing plate 31, limiting bolt 32, liner 33;

[0027] Workpiece 4, external teeth 41, internal teeth 42.

[0028] Example

[0029] like Figure 1As shown, a workpiece gear-inserting fixing device comprises a base 1, a plurality of positioning members 2 and a plurality of limiting members 3; the base 1 is disc-shaped, and an annular flange 11 is formed on the base 1, and a plurality of workpieces 4 can be stacked on the top of the flange 11; the base 1 is provided with a plurality of first positioning grooves 12 and a second positioning groove 13 for installing the positioning members 2. In the present embodiment, three first positioning grooves 12 and six second positioning grooves 13 are arranged, and the three first positioning grooves 12 are evenly distributed circumferentially on the inner side of the flange 11, and the six second positioning grooves 13 are evenly distributed circumferentially on the outer side of the flange 11; the base 1 is also provided with a plurality of first limiting holes 14 and a second limiting holes 15 for installing the limiting members 3. In the present embodiment, three first limiting holes 14 and six second limiting holes 15 are arranged, and the three first limiting holes 14 are evenly distributed circumferentially on the inner side of the flange 11, and the six second limiting holes 15 are evenly distributed circumferentially on the outer side of the flange 11; the first positioning groove 12 and the first limiting hole 14, the second positioning hole and the second limiting hole 15 are arranged at intervals. As shown Figure 1 and Figure 2 As shown, the base 1 is further provided with a plurality of guide holes 16. In this embodiment, three guide holes 16 are provided. The three guide holes 16 are evenly distributed on the inner side of the convex edge 11 in the circumferential direction. The three guide holes 16 are respectively connected to the three first positioning grooves 12. The second positioning groove 13 runs through the outer wall of the base 1. The cross-sections of the first positioning groove 12 and the second positioning groove 13 are as shown in FIG. Figure 2 As shown in BB in the figure, the guide hole 16, the first positioning groove 12 and the second positioning groove 13 are all connected to the outside, so that the working fluid in the processing process can flow smoothly to the outside of the base 1, avoiding the accumulation of debris in the working fluid in the base 1 and the first positioning groove 12 and the second positioning groove 13, and after the accumulation, it can also be cleaned and dredged conveniently and quickly to avoid the accumulation of debris affecting the installation of the positioning member 2 and the limit member 3.

[0030] Each positioning member 2 includes a positioning column 21 and a positioning bolt 22. The positioning column 21 can be removably installed in the first positioning groove 12 or the second positioning groove 13 by the positioning bolt 22; each limiting member 3 includes a pressing plate 31, a limiting bolt 32 and a liner 33. The liner 33 is placed on the base 1 on the inner side or the outer side of the flange 11. The two ends of the pressing plate 31 are respectively placed on the upper end surface of the workpiece 4 and the liner 33. The pressing plate 31 can be removably installed in the first limiting hole 14 or the second limiting hole 15 by the limiting bolt 32, so that the pressing plate 31 presses the upper end surface of the workpiece 4 downward, and the liner 33 is used to provide a support point for the end of the pressing plate 31 away from the workpiece 4.

[0031] When the workpiece 4 needs to be processed with external teeth 41, the clamping method of the workpiece 4 is as follows Figure 3 and Figure 4As shown, multiple workpieces 4 are stacked and placed on the flange 11, three positioning columns 21 are placed on the three first positioning grooves 12 respectively, and the positions of the positioning columns 21 are adjusted along the length direction of the first positioning grooves 12 so that the positioning columns 21 are against the inner circles of all the workpieces 4, and then the positioning columns 21 are fixed to the base 1 by cooperating with the first positioning grooves 12 through the positioning bolts 22 to limit the horizontal movement of the workpieces 4; then the liner 33 is placed on the base 1 on the inner side of the flange 11, and the two ends of the pressure plate 31 are placed on the upper ends of the workpieces 4 and the liner 33 respectively, and then the limiting bolts 32 are cooperated with the first limiting holes 14 to make the pressure plate 31 press all the workpieces 4 downward to limit the vertical movement of the workpieces 4.

[0032] When the workpiece 4 needs to be machined with internal teeth 42, the clamping method of the workpiece 4 is as follows: Figure 5 and Figure 6 As shown, multiple workpieces 4 are stacked and placed on the flange 11, six positioning columns 21 are placed on the six second positioning grooves 13 respectively, and the positions of the positioning columns 21 are adjusted along the length direction of the second positioning grooves 13 so that the positioning columns 21 are against the outer circles of all the workpieces 4, and then the positioning columns 21 are fixed to the base 1 by cooperating with the second positioning grooves 13 through the positioning bolts 22 to limit the horizontal movement of the workpieces 4; then the liner 33 is placed on the base 1 outside the flange 11, and the two ends of the pressure plate 31 are placed on the upper ends of the workpieces 4 and the liner 33 respectively, and then the limiting bolts 32 are cooperated with the second limiting holes 15 to make the pressure plate 31 press all the workpieces 4 downward to limit the vertical movement of the workpieces 4.

[0033] When the utility model is used to process the tooth profile of the workpiece 4, the base 1 is installed on the workbench of the gear shaping machine. Then, after the workpiece 4 is clamped in the above manner according to the specific processing requirements, the gear shaping cutter can be used to process the external teeth 41 or the internal teeth 42 of multiple workpieces 4 at the same time, so that the gear shaping machine can realize the tooth profile processing of multiple workpieces 4 at one time, reducing the number of clamping times of the workpiece 4, and effectively improving the gear shaping efficiency of the gear shaping machine; by arranging the first positioning groove 12, the second positioning groove 13, the first limiting hole 14 and the second limiting hole 15 on the base 1, the base 1 can be simultaneously applicable to the internal teeth 42 and the external teeth 41 processing of the workpiece 4, and has good versatility; and the positioning member 2 can be fixed at any position of the first positioning groove 12 or the second positioning groove 13, so that workpieces 4 of different sizes and specifications can be fixed on the base 1, further improving the versatility of the base 1, and can effectively save the manufacturing cost of the enterprise.

[0034] A plurality of positioning members 2 and a plurality of limiting members 3 are evenly distributed circumferentially on the inner side or the outer side of the convex edge 11, the positioning members 2 and the limiting members 3 are arranged at intervals, the positioning members 2 and the limiting members 3 are both detachably connected to the base 1, the positioning members 2 can be abutted against the inner circle or the outer circle of all workpieces 4, and the limiting members 3 are used to press all workpieces 4 against the convex edge 11.

[0035] The above is only an embodiment of the utility model, and the common knowledge such as the known specific technical solutions and / or characteristics in the solution is not described in detail here. It should be pointed out that for those skilled in the art, without departing from the technical solution of the utility model, several deformations and improvements can be made, which should also be regarded as the protection scope of the utility model, and these will not affect the effect of the implementation of the utility model and the practicality of the patent. The scope of protection required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. A workpiece gear-slotting fixing device, characterized in that: It includes a base, multiple positioning members and multiple limiting members; the base is disc-shaped, and is provided with an annular convex edge, and several workpieces can be stacked on the top of the convex edge; multiple positioning members and multiple limiting members are evenly distributed on the inner side or outer side of the convex edge in the circumferential direction, the positioning members and the limiting members are arranged at intervals, and the positioning members and the limiting members are detachably connected to the base, the positioning members can be against the inner circle or outer circle of all workpieces, and the limiting members are used to press all workpieces against the convex edge.

2. A workpiece gear-slotting fixture according to claim 1, characterized in that: The base is provided with a plurality of first positioning grooves and a plurality of second positioning grooves, wherein the plurality of first positioning grooves are evenly distributed circumferentially on the inner side of the convex edge, and the plurality of second positioning grooves are evenly distributed circumferentially on the outer side of the convex edge; each positioning member includes a positioning column and a positioning bolt, and the positioning column can be detachably installed in the first positioning groove or the second positioning groove by the positioning bolt.

3. A workpiece gear-slotting fixture according to claim 1, characterized in that: The base is provided with a plurality of first limiting holes and a plurality of second limiting holes, wherein the plurality of first limiting holes are evenly distributed circumferentially on the inner side of the convex edge, and the plurality of second limiting holes are evenly distributed circumferentially on the outer side of the convex edge; each limiting member includes a limiting bolt and a pressure plate, and the pressure plate can be detachably installed in the first limiting hole or the second limiting hole by the limiting bolt, and the pressure plate presses the upper end surface of the workpiece downward.

4. A workpiece gear-slotting fixture according to claim 3, characterized in that: The limiting member also includes a liner, one end of which abuts against the base, and the other end of which abuts against an end of the pressing plate away from the workpiece, and the liner is used to provide a support point for the pressing plate.

5. A workpiece gear-slotting fixture according to claim 2, characterized in that: The base is provided with a plurality of guide holes corresponding to the positions of the first positioning grooves, the plurality of guide holes are evenly distributed circumferentially on the inner side of the convex edge, the guide holes corresponding to the positions are connected to the first positioning grooves, and the second positioning grooves penetrate the outer wall of the base.

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