Broaching machine workpiece positioning device
By designing components such as tool seats, adjustment plates and positioning columns on the pull-up bed, the problem of difficulty in positioning camshaft workpieces in the prior art is solved, and the rapid and accurate positioning of the workpiece position and the determination of the keyway position of the inner hole are achieved.
Patent Information
- Application Number
- CN202420844705.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-22
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2034-04-22
AI Technical Summary
The prior art is difficult to quickly locate camshaft workpieces, especially when determining the position of the inner hole side wall and keyway of the workpiece.
A pull-out workpiece positioning device including tool seat, adjustment plate, positioning plate and angle adjustment assembly is designed. Through multiple adjustments of positioning column and position adjustment assembly, the workpiece position can be accurately determined and adapted to different protruding shapes. Workpiece.
It realizes fast and accurate positioning of camshaft workpieces, improves the accuracy of determining the keyway opening position of the inner hole of the workpiece, and is suitable for a variety of camshaft workpieces.
Smart Images
Figure CN222221308U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of broaching machine processing equipment, in particular to a broaching machine workpiece positioning device. Background Art
[0002] A broaching machine is a machine tool that uses a broach as a tool to process through holes, planes and formed surfaces of workpieces. Broaching can achieve higher dimensional accuracy and less surface roughness, with high productivity, and is suitable for batch mass production. The broaching machine used in finishing processes keyways, splines or internal teeth on the inner hole of the workpiece. In ordinary horizontal broaching machines, the workpiece is attached to the end plate flange for broaching, and the broach is self-centering.
[0003] At present, Chinese patent publication number CN202447916U discloses a workpiece positioning device for a horizontal broaching machine, including an end plate flange, a guide sleeve fixedly connected to the end plate flange, a workpiece positioning seat, a workpiece positioning plate, and a positioning block. The workpiece positioning seat is located above the guide sleeve, with its left end connected to the end plate flange and its right end connected to the upper part of the workpiece positioning plate. A positioning block is provided at the lower part of the workpiece positioning plate, and the positioning block can be matched and connected with an axial guide groove on one side of the workpiece mounted on the guide sleeve.
[0004] Although this type of horizontal broaching machine tool positioning device can improve the positioning accuracy of the workpiece, the device is to set the workpiece sleeve on the guide sleeve and use the workpiece positioning plate to correct the position of the workpiece, so the device can only adjust the axial position of the workpiece. However, if the workpiece is a camshaft workpiece, it is necessary to determine the position of the side wall of the inner hole of the workpiece, and then locate the keyway position. However, it is difficult for this device and the prior art to quickly locate the camshaft workpiece. Utility Model Content
[0005] In view of the above-mentioned shortcomings of the prior art, the purpose of the utility model is to provide a broaching machine workpiece positioning device for solving the problem in the prior art that it is difficult to quickly position a camshaft-like workpiece.
[0006] To achieve the above-mentioned purpose and other related purposes, the utility model provides a workpiece positioning device for a broaching machine, comprising a tooling seat installed at a processing hole of the broaching machine, an adjustment plate arranged on the tooling seat, and a positioning plate arranged on the adjustment plate for contacting and positioning the workpiece, the tooling seat and the adjustment plate are both provided with positioning holes adapted to the processing holes, the positioning plate is provided with a positioning column capable of contacting the side wall of the workpiece, the adjustment plate is provided with an angle adjustment component capable of rotating the adjustment plate around its axis, and the positioning plate is provided with a position adjustment component capable of adjusting the installation position of the positioning plate.
[0007] By adopting the above technical solution, one end of the camshaft workpiece can be inserted into the positioning hole of the adjustment plate, and then the positioning column on the positioning plate can abut against the side wall of the raised part of the workpiece to determine the position of the workpiece, so that the opening position of the keyway on the inner hole of the workpiece can be determined based on this, and the adjustment plate can be rotated by the angle adjustment component, so that the positioning plate on the adjustment plate can be rotated, so that the angle of the positioning column can be adjusted, and then the position adjustment component on the positioning plate can be used to adjust the angle of the positioning column.
[0008] Further adjusting the position of the positioning column and realizing multiple adjustments of the position of the positioning column can make the positioning column adjustment more accurate and the adjustment position more precise.
[0009] In one embodiment of the utility model, the tooling seat is fixedly installed on the side wall of the broaching machine body, the adjustment plate is configured as a disc structure, the positioning hole is configured at the center of the adjustment plate, and the adjustment plate positioning hole is also provided with a convex edge for positioning the plate.
[0010] By adopting the above technical solution, the adjustment plate is installed on the tooling seat based on the tooling seat, and the positioning plate can be sleeved on the convex edge of the adjustment plate, making the installation more convenient and the structure simpler.
[0011] In one embodiment of the utility model, the angle adjustment assembly includes a mounting hole arranged on the workbench, a first fastener threadedly connected to the mounting hole, and an arc groove arranged on the adjustment plate and slidably connected to the first fastener, and the arc center of the arc groove is located on the axis of the adjustment plate.
[0012] By adopting the above technical solution, the first fastener can slide along the arc groove to realize the rotation of the adjustment plate. At the same time, after rotating to the specified position, the first fastener can be screwed to make the first fastener contact and fix the adjustment plate, thereby realizing the fixation of the adjustment plate and the tooling seat.
[0013] In one embodiment of the utility model, the position adjustment assembly includes a first sliding groove radially slidingly connected to the upper convex edge of the positioning plate, an adjustment hole arranged on the adjustment plate, a second fastener threadedly connected to the adjustment hole, and a second sliding groove slidingly connected to the second fastener along the extension direction of the first sliding groove.
[0014] By adopting the above technical solution, the positioning plate can slide radially along the adjusting plate through the cooperation of the first sliding groove and the second sliding groove, thereby adjusting the position of the positioning column in the radial direction, so as to target camshaft workpieces with different protrusion shapes, and after being displaced to the desired position, by tightening the second fastener, the second fastener can be made to contact and fix the positioning plate, thereby achieving the fixation of the positioning plate and the adjusting plate.
[0015] In one embodiment of the utility model, a plurality of adjustment holes are evenly arranged around the axis of the adjustment plate, the positioning plate is provided with two second sliding grooves which are relatively arranged on both sides of the positioning plate, and the positioning plate is fixedly connected to the two adjustment holes by two second fasteners.
[0016] By adopting the above technical solution and providing a plurality of adjustment holes, the installation position range of the positioning plate can be made wider, and the installation angle of the positioning plate can be adjusted by adapting the second fastener to different adjustment holes.
[0017] In one embodiment of the utility model, the positioning column is arranged perpendicular to the surface of the positioning plate, a threaded column is arranged at the bottom of the positioning column, and a plurality of threaded holes adapted to the threaded column are arranged on the positioning plate around its axis, and the positioning column is provided in plurality.
[0018] By adopting the above technical solution, the position of the positioning column can be further adjusted through the cooperation between the threaded column and the threaded hole of the bottom plate of the positioning column, thereby further improving the adjustment range of the positioning column.
[0019] In one embodiment of the present invention, a plurality of angle adjustment components are evenly arranged around the axis of the adjustment plate.
[0020] By adopting the above technical solution, by setting up multiple groups of angle adjustment components, the adjustment plate and the tooling seat can be connected through multiple first fasteners, thereby providing the connection strength between the two.
[0021] In an embodiment of the present invention, a gasket is further provided on the first fastener and the end surface of the adjustment plate, and the gasket is sleeved on the first fastener.
[0022] By adopting the above technical solution, the contact area between the first fastener and the adjustment plate can be increased by providing a gasket, thereby enhancing the connection strength between the adjustment plate and the tooling seat.
[0023] As described above, the broaching machine workpiece positioning device of the utility model has the following beneficial effects: one end of a camshaft-like workpiece can be inserted into the positioning hole of the adjusting plate, and then the positioning column on the positioning plate abuts against the side wall of the raised part of the workpiece, thereby realizing the determination of the position of the workpiece, so that the opening position of the keyway on the inner hole of the workpiece can be determined based on this, and the adjusting plate can be rotated by the angle adjustment component, thereby rotating the positioning plate on the adjusting plate, so as to realize the adjustment of the angle of the positioning column, and then the position of the positioning column can be further adjusted by the position adjustment component on the positioning plate, so as to realize multiple adjustments of the position of the positioning column, so that the adjustment accuracy of the positioning column can be higher and the adjustment position can be more precise. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 Shown is a schematic diagram of the overall structure disclosed in the embodiment of the utility model;
[0025] Figure 2 Shown is a schematic diagram of the structure of the angle adjustment assembly disclosed in an embodiment of the utility model;
[0026] Figure 3 Shown is a schematic structural diagram of a position adjustment assembly disclosed in an embodiment of the present utility model.
[0027] Component number description
[0028] 1. Broaching machine body; 2. Workpiece; 3. Fixture seat; 4. Adjustment plate; 5. Positioning plate; 6. Raised edge; 7. Angle adjustment assembly; 8. First fastener; 9. Arc groove; 10. Gasket; 11. Position adjustment assembly; 12. First sliding groove; 13. Second fastener; 14. Second sliding groove; 15. Positioning column. DETAILED DESCRIPTION
[0029] The following is a description of the implementation of the present invention by means of specific embodiments. People familiar with the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.
[0030] See also Figures 1 to 3 It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings in this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the utility model, so they have no substantial technical significance. Any modification of the structure, change in the proportion relationship, or adjustment of the size should still fall within the scope of the technical content disclosed by the utility model without affecting the effects and purposes that can be achieved by the utility model. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description, and are not used to limit the scope of the implementation of the utility model. The change or adjustment of their relative relationship should also be regarded as the scope of the implementation of the utility model without substantially changing the technical content.
[0031] The broaching machine includes a broaching machine body 1 and a processing hole arranged on the broaching machine body 1 .
[0032] like Figure 1 , Figure 2 As shown, the utility model provides a positioning device for a workpiece 2 of a broaching machine, comprising a tooling seat 3 installed at a processing hole of the broaching machine, an adjusting plate 4 arranged on the tooling seat 3 and a positioning plate 5 arranged on the adjusting plate 4 for contacting and positioning the workpiece 2, the tooling seat 3 and the adjusting plate 4 are both provided with positioning holes adapted to the processing holes, the tooling seat 3 is fixedly installed on the side wall of the broaching machine body 1, and the positioning hole of the tooling seat 3 and the processing hole are arranged along the same axis.
[0033] The adjusting plate 4 is configured as a disc structure, the positioning hole is configured at the center of the adjusting plate 4 , and a convex edge 6 for connecting the positioning plate 5 is further configured on the positioning hole of the adjusting plate 4 .
[0034] like Figure 3 As shown, the adjustment plate 4 is provided with an angle adjustment component 7 capable of rotating the adjustment plate 4 around its axis. The angle adjustment component 7 includes a mounting hole arranged on the tooling seat 3, a first fastener 8 threadedly connected to the mounting hole, and an arc groove 9 arranged on the adjustment plate 4 and slidably connected to the first fastener 8. The arc center of the arc groove 9 is located on the axis of the adjustment plate 4. The first fastener 8 can be tightened to fix the adjustment plate 4 and the tooling seat 3, and the first fastener 8 can be loosened to allow the adjustment plate 4 to rotate around the axis of the adjustment plate 4 with the cooperation of the arc groove 9, thereby adjusting the installation angle.
[0035] The first fastener 8 and the end surface of the adjustment plate 4 are further provided with a gasket 10, the gasket 10 is sleeved on the first fastener 8, and multiple groups of angle adjustment components 7 are evenly arranged around the axis of the adjustment plate 4. In this embodiment, two groups are arranged.
[0036] The positioning plate 5 is movably connected to the flange 6, and a position adjustment component 11 capable of adjusting the installation position of the positioning plate 5 is provided on the positioning plate 5. The position adjustment component 11 includes a first sliding groove 12 provided on the positioning plate 5 and radially slidingly connected along the flange 6, an adjustment hole provided on the adjustment plate 4, a second fastener 13 threadedly connected to the adjustment hole, and a second sliding groove 14 slidingly connected to the second fastener 13 along the extension direction of the first sliding groove 12.
[0037] There are multiple adjustment holes evenly arranged around the axis of the adjustment plate 4. In this embodiment, there are four adjustment holes. There are two second sliding grooves 14 on the positioning plate 5 and they are relatively arranged on both sides of the positioning plate 5. The positioning plate 5 is fixedly connected to the two adjustment holes through two second fasteners 13.
[0038] A positioning column 15 capable of contacting the side wall of the workpiece 2 is arranged on the surface of the positioning plate 5. The positioning column 15 is arranged perpendicular to the surface of the positioning plate 5. A threaded column is arranged at the bottom of the positioning column 15. A plurality of threaded holes adapted to the threaded column are arranged around the axis of the positioning plate 5. The positioning column 15 can be screwed onto different threaded holes accordingly to adjust the installation position of the positioning column 15.
[0039] There are multiple positioning posts 15 . In this embodiment, there are two positioning posts 15 , which are respectively disposed on both sides of the positioning plate 5 . The two positioning posts 15 can respectively contact the two sides of the workpiece 2 , thereby achieving positioning and limiting of the workpiece 2 .
[0040] One end of the camshaft workpiece 2 can be inserted into the positioning hole of the adjustment plate 4, and then the positioning column 15 on the positioning plate 5 can abut against the side wall of the raised part of the workpiece 2, thereby determining the position of the workpiece 2, so that the opening position of the keyway on the inner hole of the workpiece 2 can be determined based on this. In addition, the adjustment plate 4 can be rotated by the angle adjustment component 7, and then the positioning plate 5 on the adjustment plate 4 can be rotated, so that the angle of the positioning column 15 can be adjusted, and then the position of the positioning column 15 can be further adjusted by the position adjustment component 11 on the positioning plate 5, so as to achieve multiple adjustments of the position of the positioning column 15, so that the adjustment accuracy of the positioning column 15 can be higher and the adjustment position can be more precise.
[0041] In summary, the utility model effectively overcomes various shortcomings of the prior art and has high industrial utilization value.
[0042] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by a person of ordinary skill in the art without departing from the spirit and technical concept disclosed in the present invention shall still be covered by the claims of the present invention.
Claims
1. A workpiece positioning device for a broaching machine, characterized in that: It includes a tooling seat installed at the processing hole of the broaching machine, an adjustment plate arranged on the tooling seat and a positioning plate arranged on the adjustment plate for contacting and positioning the workpiece, the tooling seat and the adjustment plate are both provided with positioning holes adapted to the processing holes, the positioning plate is provided with a positioning column capable of contacting the side wall of the workpiece, the adjustment plate is provided with an angle adjustment component capable of rotating the adjustment plate around its axis, and the positioning plate is provided with a position adjustment component capable of adjusting the installation position of the positioning plate.
2. The broaching machine workpiece positioning device according to claim 1, characterized in that: The tooling seat is fixedly mounted on the side wall of the broaching machine body, the adjustment plate is configured as a disc structure, the positioning hole is configured at the center of the adjustment plate, and a convex edge for connecting the positioning plate is further configured on the positioning hole of the adjustment plate.
3. The broaching machine workpiece positioning device according to claim 2, characterized in that: The angle adjustment assembly includes a mounting hole arranged on the tooling seat, a first fastener threadedly connected to the mounting hole, and an arc groove arranged on the adjustment plate and slidably connected to the first fastener, wherein the arc center of the arc groove is located on the axis of the adjustment plate.
4. The broaching machine workpiece positioning device according to claim 2, characterized in that: The position adjustment assembly includes a first sliding groove radially slidingly connected to the upper convex edge of the positioning plate, an adjustment hole arranged on the adjustment plate, a second fastener threadedly connected to the adjustment hole, and a second sliding groove slidingly connected to the second fastener along the extension direction of the first sliding groove.
5. The broaching machine workpiece positioning device according to claim 4, characterized in that: The adjusting holes are evenly arranged in a plurality around the axis of the adjusting plate, the positioning plate is provided with two second sliding grooves which are arranged oppositely on both sides of the positioning plate, and the positioning plate is fixedly connected to the two adjusting holes through two second fasteners.
6. The broaching machine workpiece positioning device according to claim 1, characterized in that: The positioning column is arranged perpendicular to the surface of the positioning plate, a threaded column is arranged at the bottom of the positioning column, a plurality of threaded holes adapted to the threaded column are arranged on the positioning plate around its axis, and the positioning column is provided in plurality.
7. The broaching machine workpiece positioning device according to claim 3, characterized in that: The angle adjustment components are evenly arranged in multiple groups around the axis of the adjustment plate.
8. The broaching machine workpiece positioning device according to claim 3, characterized in that: The first fastener and the end surface of the adjustment plate are also provided with a gasket, and the gasket is sleeved on the first fastener.