CN222890650U - Gear grinding clamp - Google Patents
Gear grinding clamp Download PDFInfo
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- CN222890650U CN222890650U CN202421684395.7U CN202421684395U CN222890650U CN 222890650 U CN222890650 U CN 222890650U CN 202421684395 U CN202421684395 U CN 202421684395U CN 222890650 U CN222890650 U CN 222890650U
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Abstract
本实用新型公开了一种磨齿夹具。磨齿夹具包括压紧件、压头、定心柱、拉杆、调节杆、牵引座、调节座、端面定位座以及底座，底座具有调节腔，调节座位于调节腔内，牵引座滑动设在调节座上，调节座在工件的径向方向移动带动牵引座在工件的轴向方向移动，调节杆螺设在底座上并伸入调节腔与调节座连接，拉杆的下端与牵引座连接，拉杆的上端与压头连接，定心柱套设在底座上，端面定位座安装在底座上，端面定位座用于定位工件的端面，压紧件用于将工件压紧在端面定位座上，调节杆用于调节调节座的位置，调节座用于带动牵引座移动，牵引座用于带动拉杆移动，拉杆用于拉动定心柱使其膨胀以将工件固定。本实用新型磨齿夹具能够适用于空心工件的加工。
The utility model discloses a gear grinding fixture. The gear grinding fixture comprises a clamping piece, a pressure head, a centering column, a pull rod, an adjustment rod, a traction seat, an adjustment seat, an end face positioning seat and a base, wherein the base has an adjustment cavity, the adjustment seat is located in the adjustment cavity, the traction seat is slidably arranged on the adjustment seat, the adjustment seat moves in the radial direction of the workpiece to drive the traction seat to move in the axial direction of the workpiece, the adjustment rod is screwed on the base and extends into the adjustment cavity to be connected with the adjustment seat, the lower end of the pull rod is connected with the traction seat, the upper end of the pull rod is connected with the pressure head, the centering column is sleeved on the base, the end face positioning seat is installed on the base, the end face positioning seat is used to position the end face of the workpiece, the clamping piece is used to press the workpiece against the end face positioning seat, the adjustment rod is used to adjust the position of the adjustment seat, the adjustment seat is used to drive the traction seat to move, the traction seat is used to drive the pull rod to move, and the pull rod is used to pull the centering column to expand it to fix the workpiece. The utility model gear grinding fixture can be applied to the processing of hollow workpieces.
Description
Technical Field
The utility model relates to the technical field of gear grinding, in particular to a gear grinding clamp.
Background
At present, the gear grinding tool needs to use the ejector pin to position the workpiece, the tool of the type needs to process a positioning hole on the workpiece and is only applicable to solid workpieces, and a hollow workpiece cannot be positioned by using the ejector pin without the positioning hole.
Disclosure of utility model
The utility model aims to solve the technical problem of providing a gear grinding clamp suitable for a hollow workpiece.
In order to solve the problems, the utility model provides a gear grinding clamp, which comprises a pressing piece, a pressing head, a centering column, a pull rod, an adjusting rod, a traction seat, an adjusting seat, an end face positioning seat and a base, wherein the base is provided with an adjusting cavity, the adjusting seat is arranged in the adjusting cavity in a sliding mode, the traction seat is arranged on the adjusting seat in the sliding mode, the adjusting seat is moved in the radial direction of a workpiece to drive the traction seat to move in the axial direction of the workpiece, the adjusting rod is arranged on the base in a threaded mode and extends into the adjusting cavity to be connected with the adjusting seat, the lower end of the pull rod is connected with the traction seat, the upper end of the pull rod is connected with the pressing head, the centering column is sleeved on the base, the end face positioning seat is arranged on the base, the end face positioning seat is used for positioning the end face of the workpiece, the pressing piece is used for pressing the end face positioning seat, the adjusting rod is used for adjusting the position of the adjusting seat, the adjusting seat is used for driving the traction seat to move, and the traction seat is used for driving the pull rod to move to expand to fix the workpiece.
Further, the adjusting rod comprises an adjusting section with threads, a connecting disc used for being connected with the adjusting seat and a connecting section for connecting the connecting disc and the adjusting section into a whole, and the diameter of the connecting disc is smaller than or equal to the large diameter of the threads of the adjusting section.
Further, the adjusting seat is provided with a connecting groove, the connecting groove is T-shaped, the diameter of the connecting section is smaller than that of the connecting disc, and the connecting disc is located in the connecting groove.
Further, the adjusting seat is provided with a chute which is obliquely arranged, and the traction seat is provided with a sliding rail which is matched with the chute.
Further, the centering column comprises a centering body and radial deformation pieces arranged on the centering body, a placing groove is formed in the centering body, the radial deformation pieces are placed in the placing groove, and when the pressure head is pulled by the pull rod, the pressure head extrudes the radial deformation pieces, so that the radial deformation pieces protrude outwards of the qualitative body.
Further, the radial deformation piece is a rubber block.
Further, the centering column is provided with a conical hole, the base is provided with a conical guide column, and the inner wall of the conical hole is in contact with the outer wall of the conical guide column.
Further, the base comprises a base body, an installation seat and a baffle plate, wherein the base body is provided with an adjusting groove, the baffle plate is installed on the base body and seals the adjusting groove to form an adjusting cavity, and the base body is fixed on the installation seat.
Further, the end face positioning seat is provided with an exhaust hole.
Further, the pull rod is provided with a limiting groove, the base is provided with a limiting pin, and the limiting pin stretches into the limiting groove to circumferentially limit the adjusting rod.
The gear grinding clamp utilizes the end face positioning seat to position the end face of the workpiece, the centering column stretches into the workpiece to center the workpiece, the adjusting rod pulls the adjusting seat to move in the radial direction of the workpiece, the adjusting seat drives the traction seat to move in the axial direction of the workpiece, the traction seat drives the pull rod to move axially, and the pull rod pulls the pressure head to press the centering column to enable the centering column to expand so as to fix the workpiece and center the workpiece.
Drawings
Fig. 1 is a schematic view of the structure of a preferred embodiment of the tooth grinding jig of the present utility model.
Figure 2 is a cross-sectional view of A-A.
Fig. 3 is a schematic structural view of the base.
Fig. 4 is a schematic structural view of the adjusting lever.
Fig. 5 is a schematic structural view of the adjusting seat.
Fig. 6 is a schematic structural view of the fifth wheel.
Fig. 7 is a schematic structural view of the centering post.
Fig. 8 is a schematic structural view of the tie rod.
The meaning of the reference numerals in the drawings are:
Base 1, pedestal 11, adjustment groove 110, mounting hole 111, mounting table 112, conical guide post 113, mount 12, baffle 13, stop pin 14, ram 2, centering post 3, centering body 31, radial deformation 32, pull rod 4, stop groove 41, adjusting rod 5, adjustment section 51, connection disc 52, connection section 53, traction seat 61, slide rail 611, adjustment seat 62, connection groove 621, slide groove 622, end face positioning seat 7, exhaust hole 71, compression member 8, workpiece 9.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1 and 2, the preferred embodiment of the gear grinding fixture of the present utility model includes a pressing member 8, a pressing head 2, a centering post 3, a pull rod 4, an adjusting lever 5, a traction seat 61, an adjusting seat 62, an end face positioning seat 7, and a base 1. The base 1 is provided with an adjusting cavity, the adjusting seat 62 is positioned in the adjusting cavity, the adjusting rod 5 is arranged on the base 1 in a threaded manner and extends into the adjusting cavity to be connected with the adjusting seat 62, the adjusting rod 5 is used for driving the adjusting seat 62 to move radially in the adjusting cavity, and the radial direction is based on the radial direction of the workpiece 9. The traction seat 61 is slidably arranged on the adjusting seat 62, the traction seat 61 can slide on the adjusting seat 62, and the adjusting seat 62 drives the traction seat 61 to move in the axial direction of the workpiece 9 when moving radially. The lower end of the pull rod 4 is connected with the traction seat 61, the upper end of the pull rod 4 is connected with the pressure head 2, and the pull rod 4 is pulled by the traction seat 61 so as to drive the pressure head 2 to move. The centering column 3 is sleeved at the upper end of the base 1, and the centering column 3 can expand to fix the workpiece 9 through friction force and finish centering. The end face positioning seat 7 is arranged at the upper end of the base 1 and is coaxially arranged with the centering column 3, the end face positioning seat 7 is used for positioning the end face of the workpiece 9, and the centering column 3 is higher than the end face positioning seat 7, so that the centering column 3 can conveniently extend into an inner hole of the workpiece 9 to center the workpiece 9. The pressing piece 8 is used for pressing the workpiece 9 on the end face positioning seat 7.
As shown in fig. 3, the base 1 includes a base 11, a mounting base 12, and a baffle 13, the lower end of the base 11 has an adjusting groove 110, the baffle 13 is mounted on the base 11 and closes the adjusting groove 110 to form an adjusting cavity, and the base 11 is fixed on the mounting base 12. The bottom of the adjusting groove 110 is provided with a mounting hole 111, and the pull rod 4 is arranged in the mounting hole 111. The top of the base 11 is provided with a mounting table 112, and the mounting table 112 is used for mounting the end surface positioning base 7. The center of the installation table surface 112 protrudes outwards to form a conical guide column 113, the centering column 3 is provided with a conical hole so as to be matched with the conical guide column 113, and the centering column 3 is sleeved on the conical guide column 113, so that the centering column 3 can be more stably sleeved on the conical guide column 113. The exhaust hole 71 is arranged on the end face positioning seat 7, so that gas in a sealing space formed by surrounding the conical guide column 113, the centering column 3 and the end face positioning seat 7 is conveniently exhausted, and the installation of the centering column 3 can be smoother.
As shown in fig. 4, the adjusting rod 5 includes an adjusting section 51 with a screw thread, a connecting disc 52 for connecting with an adjusting seat 62, and a connecting section 53 for connecting the connecting disc 52 and the adjusting section 51 into a whole, the adjusting section 51 is screwed on the base 1, and the diameter of the connecting disc 52 is smaller than or equal to the major diameter of the screw thread of the adjusting section 51, so that the connecting disc 52 can penetrate through the base 1 to enter the adjusting cavity to be connected with the adjusting seat 62.
As shown in fig. 5 and 6, the adjusting seat 62 is provided with a connecting slot 621 and a sliding slot 622, the connecting slot 621 is axially arranged, and the connecting slot 621 penetrates through the entire adjusting seat 62, so that when the adjusting seat is assembled, the inner end of the adjusting rod 5, i.e. one end extending into the adjusting cavity, can slide into the connecting slot 621, and the assembly of the adjusting rod 5 and the adjusting seat 62 is completed, and the assembly is convenient. The connecting groove 621 is T-shaped, the diameter of the connecting section 53 is smaller than the diameter of the connecting disc 52, and the connecting disc 52 is located in the connecting groove 621, so that it is ensured that the adjusting lever 5 is not separated from the connecting groove 621 in the radial direction. The end face of the adjusting seat 62, which is close to one end of the pull rod 4, is an inclined surface, the sliding groove 622 is obliquely arranged and parallel to the inclined surface, the traction seat 61 is slidably arranged in the sliding groove 622, and the traction seat 61 moves in the sliding groove 622 to realize movement in the axial direction. The traction seat 61 is provided with a sliding rail 611 matched with the sliding groove 622, the sliding rail 611 is parallel to the sliding groove 622, the sliding rail 611 is slidably arranged in the sliding groove 622, and the sliding rail 611 and the sliding groove 622 are both in a T shape, so that the sliding rail 611 is ensured not to be separated from the sliding groove 622 in the axial direction.
As shown in fig. 7, the centering column 3 includes a centering body 31 and a radial deformation member 32 disposed on the centering body 31, a placement groove is disposed on the centering body 31, the radial deformation member 32 is disposed in the placement groove, and the radial deformation member 32 is a rubber block. When the pull rod 4 pulls the pressure head 2, the pressure head 2 extrudes the radial deformation piece 32, so that the radial deformation piece 32 protrudes outwards of the qualitative body to be propped against the inner wall of the inner hole of the workpiece 9, the workpiece 9 is fixed by utilizing the friction force of the radial deformation piece 32, and the workpiece 9 can be effectively prevented from falling after the compression piece 8 is moved out. In order for the pressure plate to be able to press the radial deformations 32 well, the end faces of the radial deformations 32 are slightly higher than the centering body 31.
As shown in fig. 8, the pull rod 4 is provided with a limit groove 41, the base 1 is provided with a limit pin 14, and the limit pin 14 extends into the limit groove 41 to limit the adjusting rod 5 circumferentially, i.e. effectively prevent the pull rod 4 from rotating.
When the device is used, after the workpiece 9 is placed on the end face positioning seat 7, the adjusting piece is rotated to enable the adjusting seat 62 to move radially, the adjusting seat 62 drives the traction seat 61 to move axially towards one side of the adjusting seat 62, the traction seat 61 drives the pull rod 4 to move axially, the pull rod 4 pulls the pressure head 2 to move, the pressure head 2 moves to squeeze and deform the radial deformation piece 32, so that the workpiece 9 is fixed and centered, and finally the pressing piece 8 presses the other end of the workpiece 9, and then machining can be performed. The hollow work piece 9 can be fixed, and tooth grinding processing can be completed.
The foregoing is only the embodiments of the present utility model, and therefore, the patent scope of the utility model is not limited thereto, and all equivalent structures made by the description of the utility model and the accompanying drawings are directly or indirectly applied to other related technical fields, which are all within the scope of the utility model.
Claims (10)
1. The gear grinding clamp is characterized by comprising a pressing piece, a pressing head, a centering column, a pull rod, an adjusting rod, a traction seat, an adjusting seat, an end face positioning seat and a base, wherein the base is provided with an adjusting cavity, the adjusting seat is arranged in the adjusting cavity, the traction seat is slidably arranged on the adjusting seat, the adjusting seat is moved in the radial direction of a workpiece to drive the traction seat to move in the axial direction of the workpiece, the adjusting rod is spirally arranged on the base and stretches into the adjusting cavity to be connected with the adjusting seat, the lower end of the pull rod is connected with the traction seat, the upper end of the pull rod is connected with the pressing head, the centering column is sleeved on the base, the end face positioning seat is arranged on the base, the end face positioning seat is used for positioning the end face of the workpiece, the pressing piece is used for pressing the workpiece on the end face positioning seat, the adjusting rod is used for adjusting the position of the adjusting seat, the adjusting seat is used for driving the traction seat to move, and the pull rod is used for driving the pull rod to move so that the centering column is pulled to expand to fix the workpiece.
2. The gear grinding clamp according to claim 1, wherein the adjusting rod comprises an adjusting section with threads, a connecting disc for connecting with the adjusting seat, and a connecting section for connecting the connecting disc and the adjusting section into a whole, and the diameter of the connecting disc is smaller than or equal to the major diameter of the threads of the adjusting section.
3. The gear grinding clamp according to claim 2, wherein the adjusting seat is provided with a connecting groove, the connecting groove is T-shaped, the diameter of the connecting section is smaller than that of the connecting disc, and the connecting disc is positioned in the connecting groove.
4. The gear grinding clamp according to claim 1, wherein the adjusting seat is provided with a chute which is obliquely arranged, and the traction seat is provided with a sliding rail which is matched with the chute.
5. The gear grinding clamp according to claim 1, wherein the centering column comprises a centering body and a radial deformation piece arranged on the centering body, a placing groove is formed in the centering body, the radial deformation piece is placed in the placing groove, and when the pull rod pulls the pressure head, the pressure head presses the radial deformation piece to enable the radial deformation piece to protrude outwards of the qualitative body.
6. The tooth grinding clamp according to claim 5, wherein the radial deformation is a rubber block.
7. The tooth grinding clamp according to claim 1, wherein the centering post has a tapered hole, the base has a tapered guide post, and an inner wall of the tapered hole contacts an outer wall of the tapered guide post.
8. The gear grinding clamp according to claim 1, wherein the base comprises a base body, a mounting seat and a baffle, the base body is provided with an adjusting groove, the baffle is mounted on the base body and seals the adjusting groove to form an adjusting cavity, and the base body is fixed on the mounting seat.
9. The gear grinding clamp according to claim 1, wherein the end face positioning seat is provided with an exhaust hole.
10. The gear grinding clamp according to claim 1, wherein the pull rod is provided with a limiting groove, the base is provided with a limiting pin, and the limiting pin extends into the limiting groove to circumferentially limit the adjusting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421684395.7U CN222890650U (en) | 2024-07-16 | 2024-07-16 | Gear grinding clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421684395.7U CN222890650U (en) | 2024-07-16 | 2024-07-16 | Gear grinding clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222890650U true CN222890650U (en) | 2025-05-23 |
Family
ID=95724440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421684395.7U Active CN222890650U (en) | 2024-07-16 | 2024-07-16 | Gear grinding clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222890650U (en) |
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2024
- 2024-07-16 CN CN202421684395.7U patent/CN222890650U/en active Active
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