CN222360038U - Positioning device for precision part machining - Google Patents
Positioning device for precision part machining Download PDFInfo
- Publication number
- CN222360038U CN222360038U CN202323455916.XU CN202323455916U CN222360038U CN 222360038 U CN222360038 U CN 222360038U CN 202323455916 U CN202323455916 U CN 202323455916U CN 222360038 U CN222360038 U CN 222360038U
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- positioning device
- workbench
- clamping block
- connecting rod
- precision parts
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- 238000003754 machining Methods 0.000 title abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 7
- 230000000149 penetrating effect Effects 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a positioning device for machining precision parts, and belongs to the technical field of part machining positioning. The utility model relates to a positioning device for processing precise parts, which comprises a workbench, wherein connecting rods are arranged on two sides of the workbench in a penetrating manner, the connecting rods are in sliding fit with the workbench, clamping blocks are movably connected to the upper ends of the connecting rods, limiting mechanisms are arranged at the joints of the connecting rods and the clamping blocks, a support is arranged on the bottom surface of the workbench, connecting plates are rotatably connected to the support, two ends of each connecting plate are rotatably connected with the two connecting rods respectively.
Description
Technical Field
The utility model relates to the technical field of part machining and positioning, in particular to a positioning device for precision part machining.
Background
The precision parts are complicated in types, are usually regular parts such as shaft parts, pipe parts and gear parts, and most of the precision parts are irregular parts, and no matter which precision parts are used in the machining process, the positioning device is formed by the special shapes of the irregular parts, so that the design of the positioning device cannot be unified. In addition, the existing positioning device is usually operated separately when clamping two sides of a part, so that the two sides of a workpiece are easy to be stressed unevenly.
For example, the CN213614322U is a precision positioning fixture for precision part machining, by setting a clamping device, rotating two first threaded rods left and right respectively, and using the action of a first telescopic spring to drive the clamping plates to move left and right, after adjusting the proper position, placing the left and right parts of the part in the two clamping plates respectively and on the cushion, rotating the second threaded rod downwards, so that the lower end of the cushion is attached to the upper end of the part, and the part is clamped and fixed, but the fixing mode is complicated, and the two sides are clamped separately, so that the stress on the two sides of the workpiece is uneven, and the machining effect is affected.
Disclosure of utility model
The utility model aims to provide a positioning device for processing precise parts, which solves the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The positioning device for the precision part machining comprises a workbench, wherein connecting rods are arranged on two sides of the workbench in a penetrating manner, the connecting rods are in sliding fit with the workbench, clamping blocks are movably connected to the upper ends of the connecting rods, and a limiting mechanism is arranged at the joint of the connecting rods and the clamping blocks;
The bottom surface of the workbench is provided with a bracket, a connecting plate is rotationally connected to the bracket, and two ends of the connecting plate are respectively rotationally connected with the two connecting rods.
Preferably, the limiting mechanism comprises a limiting nut, a threaded section is arranged on the surface of the connecting rod, the limiting nut is in threaded fit with the threaded section, and the limiting nut is located on the top surface of the clamping block.
Preferably, the inner side of the clamping block is provided with a limit strip, and the outer end of the limit strip is obliquely upwards arranged.
Preferably, the end part of the limit strip is provided with a groove which is in a V-shaped structure.
Preferably, the connecting rod is located the cover of clamp block below and is equipped with the spacing ring, and the spacing ring bottom surface is provided with the spring, and the spring tip is connected with the workstation top surface.
Preferably, a sliding groove A is formed in the clamping block, the connecting rod penetrates through the sliding groove A, and the connecting rod is in clearance fit with the sliding groove A.
Preferably, the outer end of the clamping block is connected with a telescopic rod, threaded rods are arranged on two sides of the lower end of the bracket, the rotation directions of threads on the two threaded rods are opposite, a sleeve is connected with the threaded rods in a threaded manner, and the sleeve is connected with the telescopic rod;
a sliding groove B is formed in two sides of the top surface of the workbench, and the telescopic rod is in sliding fit with the sliding groove B.
Preferably, the connecting rod lower extreme sets up the connecting ball, and the mounting groove has been seted up to the connecting plate tip, and the connecting ball rotates to be connected in the mounting groove.
Preferably, the workbench bottom surface is provided with a support frame, the end part of the threaded rod is rotationally connected with the support frame, one side of the support frame is rotationally connected with a hand wheel, and the hand wheel is connected with the threaded rod.
Compared with the prior art, the utility model has the beneficial effects that:
(1) According to the utility model, the connecting plate is rotationally connected with the bracket, the connecting rod is rotationally connected with the connecting plate, the lever principle is utilized to enable the nut on one side to rotate, and when the connecting rod is driven to move upwards, the connecting plate rotates relative to the joint of the connecting rod and the bracket, and the connecting rod on the other side moves downwards, so that the clamping blocks are driven to move downwards, the force of the clamping blocks on the two sides for pressing the surface of the precise part is equal, and the precise part is processed more accurately and more efficiently.
(2) The utility model can adjust the distance between the two clamping blocks through the cooperation of the threaded rod, the sleeve and the telescopic rod, is convenient for fixing parts with different sizes, and is convenient for fixing columnar precision parts through arranging the limit strips and the grooves with V-shaped structures.
Drawings
FIG. 1 is a schematic view showing the overall structure of a positioning device for precision part processing according to the present utility model;
FIG. 2 is a schematic side view of the whole structure of the positioning device for precision part processing according to the present utility model;
FIG. 3 is a schematic view of the attachment of the connecting rod and clamping block of the present utility model;
FIG. 4 is a schematic view of the connecting rod and clamping block of the present utility model disassembled.
The reference numerals in the figure are 1, a workbench, 101, a sliding chute B, 102, a support frame, 2, a connecting rod, 201, a connecting ball, 3, a clamping block, 301, a limiting bar, 302, a groove, 303, a sliding chute A, 4, a connecting plate, 401, a mounting groove, 5, a bracket, 6, a limiting nut, 7, a limiting ring, 8, a spring, 9, a telescopic rod, 10, a threaded rod, 11, a sleeve, 12 and a hand wheel.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Example 1:
Referring to fig. 1-4, a positioning device for precision part machining comprises a workbench 1, wherein connecting rods 2 are arranged on two sides of the workbench 1 in a penetrating manner, the connecting rods 2 are in sliding fit with the workbench 1, clamping blocks 3 are movably connected to the upper ends of the connecting rods 2 and are used for compressing precision parts to be machined, and limiting mechanisms are arranged at the joints of the connecting rods 2 and the clamping blocks 3 and are used for limiting the relative positions of the clamping blocks 3 and the connecting rods 2;
the bottom surface of the workbench 1 is provided with a bracket 5, a connecting plate 4 is rotationally connected to the bracket 5, and two ends of the connecting plate 4 are respectively rotationally connected with the two connecting rods 2. The parts are placed on the top surface of the workbench 1, the clamping blocks 3 are arranged below, then the clamping blocks 3 on one side are downwards moved, the connecting rods 2 on the same side are upwards moved, the connecting plates 4 rotate relative to the joints of the connecting plates and the brackets 5, the connecting rods 2 on the other side can drive the clamping blocks 3 to downwards move and compress the parts, so that the forces of the two clamping blocks 3 on the surfaces of the precise parts are equal, and the machining efficiency of the precise parts is higher.
In the application, the limiting mechanism comprises a limiting nut 6, a threaded section is arranged on the surface of the connecting rod 2, the limiting nut 6 is in threaded fit with the threaded section, and the limiting nut 6 is positioned on the top surface of the clamping block 3. The clamping blocks 3 on one side are downwards moved by rotating the limit nuts 6 on one side, and the connecting rods 2 on the same side are upwards moved, so that the two clamping blocks 3 compress two sides of a part.
In the application, a limiting ring 7 is sleeved below a clamping block 3 by a connecting rod 2, a spring 8 is arranged on the bottom surface of the limiting ring 7, and the end part of the spring 8 is connected with the top surface of a workbench 1. The clamping block 3 is provided with a supporting force by the elastic force of the spring 8, and a gap exists between the connecting rod 2 and the inner wall of the limiting ring 7.
The clamping block 3 is provided with a sliding groove A303, the connecting rod 2 passes through the sliding groove A303, and the connecting rod 2 is in clearance fit with the sliding groove A303. Wherein the diameter of the limiting ring 7 is larger than the width of the chute A303, so that the limiting ring 7 can conveniently support the clamping block 3.
The working principle is that when the precision part is pressed, the clamping block 3 on one side is moved downwards by rotating the limit nut 6 on one side, the connecting rod 2 on the same side is moved upwards, and the limit nut 6 on the other side is fixed on the connecting rod 2, so that when the connecting rod 2 on one side is moved upwards, the connecting plate 4 rotates relative to the joint of the connecting plate 4 and the bracket 5, and the connecting rod 2 on the other side can move downwards, so that the clamping block 3 is driven to move downwards, the clamping block 3 is pressed on the part, the forces of the two clamping blocks 3 pressed on the surface of the precision part are equal, and the machining efficiency of the precision part is higher.
Example 2:
Referring to fig. 1-2, the base of the combined embodiment 1 is that the outer end of the clamping block 3 is connected with a telescopic rod 9, threaded rods 10 are arranged on two sides of the lower end of the bracket 5, the rotation directions of threads on the two threaded rods 10 are opposite, a sleeve 11 is connected on the threaded rod 10 in a threaded manner, the sleeve 11 is connected with the telescopic rod 9, and the threaded rod 10 can be rotated to enable the two sleeves 11 to move relatively, so that the clamping block 3 can be driven to move relatively, the distance between the clamping blocks 3 can be adjusted, and clamping of different parts is facilitated.
The sliding grooves B101 are formed in two sides of the top surface of the workbench 1, the telescopic rod 9 is in sliding fit with the sliding grooves B101, when the two clamping blocks 3 move relatively, the telescopic rod 9 moves linearly along the sliding grooves B101, and the sliding groove A303 moves horizontally relative to the connecting rod 2. Wherein the top surface of the workbench 1 is provided with a through hole at one side of the chute B101, and the connecting rod 2 passes through the through hole.
In the application, the connecting ball 201 is arranged at the lower end of the connecting rod 2, the mounting groove 401 is arranged at the end part of the connecting rod 4, the connecting ball 201 is rotatably connected in the mounting groove 401, and the connecting ball 201 is arranged in the mounting groove 401, so that the rotation of the connecting rod 2 is reversely limited, and the connecting rod 2 can be conveniently rotated relative to the connecting rod 4 when vertically moving.
In the application, a support frame 102 is arranged on the bottom surface of a workbench 1, the end part of a threaded rod 10 is rotationally connected with the support frame 102, one side of the support frame 102 is rotationally connected with a hand wheel 12, the hand wheel 12 is connected with the threaded rod 10, and the hand wheel 12 drives the threaded rod 10 to rotate.
The working principle is that when the precision parts with different sizes are compressed, the hand wheel 12 drives the threaded rods 10 to rotate, and the rotation directions of the threads on the two threaded rods 10 are opposite, so that the two sleeves 11 and the telescopic rod 9 can relatively move by rotating the threaded rods 10, the telescopic rod 9 is used for driving the two clamping blocks 3 to relatively move, the distance between the clamping blocks 3 is adjusted, and after the distance is adjusted, the precision parts are compressed in the compression mode in the embodiment 1.
Example 3:
Referring to fig. 3-4, the difference between the combination of embodiments 1 and 2 is that the inner side of the clamping block 3 is provided with a limit bar 301, the outer end of the limit bar 301 is inclined upwards, so as to clamp a horizontally placed column part, the limit bar 301 and the clamping block 3 are attached to the side surface of the column part, and the clamping block 3 on one side is moved down by the same pressing method as in embodiment 1, so that the column part is pressed and fixed by the limit bar 301 and the clamping block 3 on both sides.
In a possible embodiment, the end of the limit bar 301 is provided with a groove 302, the groove 302 is in a V-shaped structure, and by setting the groove 302 with a V-shaped structure, a column part placed vertically is fixed conveniently, at this time, the column part can be clamped by rotating the threaded rod 10 to adjust the horizontal distance between the two clamping blocks 3 in the same manner as in embodiment 2, and the vertical position of the clamping block 3 cannot move under the action of the spring 8.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323455916.XU CN222360038U (en) | 2023-12-18 | 2023-12-18 | Positioning device for precision part machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323455916.XU CN222360038U (en) | 2023-12-18 | 2023-12-18 | Positioning device for precision part machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222360038U true CN222360038U (en) | 2025-01-17 |
Family
ID=94226925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323455916.XU Active CN222360038U (en) | 2023-12-18 | 2023-12-18 | Positioning device for precision part machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222360038U (en) |
-
2023
- 2023-12-18 CN CN202323455916.XU patent/CN222360038U/en active Active
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