Machining clamp for brass workpiece
By adopting a combined design of a load-bearing base, a fixed clamping part, a movable clamping part and a bottom clamping plate in the brass workpiece processing fixture, the stable and fixed position of the brass workpiece is achieved, and the lack of up and down positioning in the prior art is solved. The vibration problems caused by improve processing accuracy.
Patent Information
- Application Number
- CN202421048602.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-15
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-05-15
AI Technical Summary
The existing brass workpiece processing fixtures lack up and down positioning during processing, which may cause vibration of the workpiece and affect processing accuracy.
A machining fixture including a load base, a fixed clamping part, a movable clamping part and a bottom clamping plate are designed to clamp the workpiece from above and below through a pressing ring and a bottom clamping plate, and to use a fixed clamping part and The inner concave clamping surface of the movable clamping part clamps the top clamping plate to achieve a stable and fixed position of the workpiece.
It effectively avoids up and down vibrations of brass workpieces during processing, and improves processing accuracy and stability.
Smart Images
Figure CN222243686U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of brass workpiece processing, in particular to a processing fixture for a brass workpiece. Background Art
[0002] Brass products usually have a high degree of machinability and plasticity, and can be processed into brass workpieces of various shapes and sizes through forging, casting, stamping, etc. Brass workpieces need to be clamped during processes such as grinding and milling.
[0003] In the prior art, there is a workpiece processing fixture proposed in patent application number "CN202222153304.4", which is provided with a first clamping block and a second clamping block to clamp the workpiece on both sides thereof, without blocking the upper surface of the workpiece and affecting the normal operation of the milling cutter.
[0004] However, in the above patent application, the workpiece is clamped on both sides only by the first clamping block and the second clamping block, and lacks positioning in the up and down directions. When used for processing brass workpieces, up and down vibrations may be generated, affecting the processing accuracy of the brass workpiece. Utility Model Content
[0005] The purpose of the utility model is to provide a processing fixture for a brass workpiece to solve the problems raised in the above background technology.
[0006] The purpose of the utility model can be achieved through the following technical solutions:
[0007] A processing fixture for a brass workpiece comprises a bearing base, a fixed clamping part is fixedly connected to the top of the bearing base, a movable clamping part is arranged on one side of the fixed clamping part, a bottom clamping plate is arranged above the bearing base and between the fixed clamping part and the movable clamping part, and a threaded hole is opened on the bottom clamping plate.
[0008] A brass workpiece to be processed is arranged on the bottom clamping plate, a ring-shaped groove is opened on the top of the brass workpiece, a through hole is arranged at the center of the brass workpiece, a clamping ring is arranged on the brass workpiece, a screw hole is arranged at the center of the clamping ring, a locking bolt is threadedly connected to the clamping ring, the bolt cap part of the locking bolt is arranged above the clamping ring, and the bolt body part of the locking bolt passes through the brass workpiece and is threadedly connected to the bottom clamping plate.
[0009] Preferably, a concave clamping surface is provided on one side where the fixed clamping part and the movable clamping part are close to each other, and a top clamping plate is provided on the top of the brass workpiece.
[0010] Preferably, a fixing block is fixedly connected to the bearing base, a positioning groove is provided on one side of the movable clamping portion, and the positioning groove and the fixing block are slidably connected.
[0011] Preferably, an adjusting screw is threadedly connected to the fixed block, one end of the adjusting screw is rotatably connected to the movable clamping part, and the other end is fixedly connected to a rotating handle, and the bottom of the movable clamping part and the two sides of the supporting base are fixedly connected to limiting sliders.
[0012] Preferably, a fixing plate is slidably connected to the bearing base, and the fixing plate is provided with clamping holes in a linear array.
[0013] Preferably, a pulling rod is arranged above the bearing base, both ends of the pulling rod extend into the clamping hole, a limiting ring is fixedly connected to the pulling rod, a spring is fixedly connected to the bottom of the limiting ring, and the bottom of the spring is fixedly connected to the top of the bearing base.
[0014] Beneficial effects of the utility model:
[0015] The utility model clamps the brass workpiece from the top and bottom by means of a clamping ring and a bottom clamping plate, the fixed clamping part and the movable clamping part clamp the brass workpiece from both sides, and at the same time, the concave clamping surfaces on the fixed clamping part and the movable clamping part clamp the top clamping plate, and the top clamping plate positions the brass workpiece from the top, thereby greatly improving the stability of the brass workpiece, effectively avoiding the up and down vibration of the brass workpiece during processing, and ensuring the processing accuracy of the brass workpiece. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the drawings required for use in the embodiments or the prior art description are briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0018] Figure 2 This utility model Figure 1 Schematic diagram of the connection between the middle fixed plate and the bearing base;
[0019] Figure 3 This utility model Figure 2 a side view of the middle fixed clamping portion;
[0020] Figure 4 This utility model Figure 1 Schematic diagram of the structure of the bottom of the middle load-bearing base.
[0021] The reference numerals in the figures are as follows:
[0022] 1. Bearing base, 2. Fixed clamping part, 3. Movable clamping part, 4. Bottom clamping plate, 5. Brass workpiece, 501, annular groove, 6. Clamping ring, 7. Locking bolt, 8. Concave clamping surface, 9. Top clamping plate, 10. Fixed block, 11. Positioning groove, 12. Adjusting screw, 13. Rotating handle, 14. Limiting slider, 15. Fixed plate, 16. Clamping hole, 17. Pull rod, 18. Limiting ring, 19. Spring. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] A processing fixture for a brass workpiece comprises a bearing base 1, a fixed clamping part 2 is fixedly connected to the top of the bearing base 1, a movable clamping part 3 is arranged on one side of the fixed clamping part 2, a bottom clamping plate 4 is arranged above the bearing base 1 and between the fixed clamping part 2 and the movable clamping part 3, and a threaded hole is opened on the bottom clamping plate 4.
[0025] A brass workpiece 5 to be processed is arranged on the bottom clamping plate 4, an annular groove 501 is opened on the top of the brass workpiece 5, a through hole is arranged at the center of the brass workpiece 5, a clamping ring 6 is arranged on the brass workpiece 5, a screw hole is arranged at the center of the clamping ring 6, a locking bolt 7 is threadedly connected to the clamping ring 6, the bolt cap part of the locking bolt 7 is arranged above the clamping ring 6, and the bolt body part of the locking bolt passes through the brass workpiece 5 and is threadedly connected to the bottom clamping plate 4.
[0026] like Figure 1 The threaded hole on the bottom clamping plate 4, the through hole in the center of the brass workpiece 5, the screw hole on the clamping ring 6 and the locking bolt 7 are all located in the same vertical direction, so that the bolt body part of the tightening bolt passes through the brass workpiece 5 and is threadedly connected to the bottom clamping plate 4, and the bolt cap part of the bolt can clamp the clamping ring 6, and the clamping ring 6 presses the brass workpiece 5 onto the bottom clamping plate 4.
[0027] A concave clamping surface 8 is provided on one side where the fixed clamping part 2 and the movable clamping part 3 are close to each other, and a top clamping plate 9 is provided on the top of the brass workpiece 5 .
[0028] like Figure 1 When the fixed clamping part 2 and the movable clamping part 3 are close to each other, the concave clamping surface 8 can clamp the top clamping plate 9 from both sides, clamp the top clamping plate 9 above the brass workpiece 5, and position the brass workpiece 5.
[0029] A fixing block 10 is fixedly connected to the bearing base 1 , and a positioning groove 11 is formed on one side of the movable clamping portion 3 . The positioning groove 11 is slidably connected to the fixing block 10 .
[0030] like Figure 1 The horizontal movement of the movable clamping part 3 can be ensured by slidingly connecting the positioning groove 11 and the fixing block 10. At the same time, one end of the fixing block 10 is inserted into the positioning groove 11 to improve the utilization of the space.
[0031] The fixing block 10 is threadedly connected with an adjusting screw 12, one end of the adjusting screw 12 is rotatably connected to the movable clamping part 3, and the other end is fixedly connected to a rotating handle 13. The bottom of the movable clamping part 3 and the two sides of the supporting base 1 are fixedly connected with limiting sliders 14.
[0032] like Figure 1 and Figure 3 The limiting slider 14 is attached to the outer side of the bearing base 1 to ensure the horizontal movement of the movable clamping part 3. The fixing block 10 has a screw hole to achieve a threaded connection with the adjusting screw 12.
[0033] A fixing plate 15 is slidably connected to the supporting base 1 , and the fixing plate 15 is provided with clamping holes 16 in a linear array.
[0034] A pulling rod 17 is arranged above the bearing base 1, and both ends of the pulling rod 17 extend into the clamping hole 16. A limiting ring 18 is fixedly connected to the pulling rod 17, and a spring 19 is fixedly connected to the bottom of the limiting ring 18. The bottom of the spring 19 is fixedly connected to the top of the bearing base 1.
[0035] like Figure 1 and Figure 2 There is an opening on the bearing base 1, so that the two ends of the pulling rod 17 can pass through the bearing base 1 and be clamped into the clamping hole 16 on the fixing plate 15. When the pulling rod 17 is manually pulled upward, the pulling rod 17 can be moved upward, and its two ends are separated from the clamping hole 16. At this time, the bearing base 1 can be horizontally moved on the fixing plate 15, the position of the bearing base 1 is adjusted, and the pulling rod 17 is loosened. When the pulling rod 17 and the new clamping hole 16 are aligned, under the action of the contraction of the spring 19, the two ends of the pulling rod 17 are clamped into the clamping hole 16 again to position the bearing base 1.
[0036] The working principle of a brass workpiece processing fixture provided by the utility model is as follows:
[0037] When the brass workpiece 5 needs to be processed, the bottom clamping plate 4, the brass workpiece 5 and the top clamping plate 9 are first arranged between the fixed clamping part 2 and the movable clamping part 3 from bottom to top, and then the locking bolt 7 passes through the brass workpiece 5 and is threadedly connected with the bottom clamping plate 4. At this time, the clamping ring 6 is inserted into the annular groove 501 and the brass workpiece 5 is pressed onto the bottom clamping plate 4.
[0038] Then rotate the adjusting screw 12 to move the movable clamping part 3 toward the fixed clamping part 2. The movable clamping part 3 clamps the brass workpiece 5 from both sides of the fixed clamping part 2. The concave clamping surface 8 clamps the top clamping plate 9 from both sides to position the top clamping plate 9.
[0039] Compared with the related art, the processing fixture of a brass workpiece provided by the utility model has the following advantages:
[0040] Beneficial effects:
[0041] The utility model clamps the brass workpiece 5 from the top and bottom by means of the clamping ring 6 and the bottom clamping plate 4, and the fixed clamping part 2 and the movable clamping part 3 clamp the brass workpiece 5 from both sides, and at the same time, the concave clamping surfaces 8 on the fixed clamping part 2 and the movable clamping part 3 clamp the top clamping plate 9, and the top clamping plate 9 positions the brass workpiece 5 from the top, which greatly improves the stability of the brass workpiece 5, effectively avoids the up and down vibration of the brass workpiece 5 during processing, and ensures the processing accuracy of the brass workpiece 5.
[0042] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.
Claims
1. A brass workpiece machining fixture, comprising a bearing base (1), characterized in that: The top of the bearing base (1) is fixedly connected with a fixed clamping part (2), one side of the fixed clamping part (2) is provided with a movable clamping part (3), and a bottom clamping plate (4) is provided above the bearing base (1) and between the fixed clamping part (2) and the movable clamping part (3), and a threaded hole is provided on the bottom clamping plate (4); A brass workpiece (5) to be processed is arranged on the bottom clamping plate (4), an annular groove (501) is opened on the top of the brass workpiece (5), a through hole is arranged at the center of the brass workpiece (5), a clamping ring (6) is arranged on the brass workpiece (5), a screw hole is arranged at the center of the clamping ring (6), a locking bolt (7) is threadedly connected to the clamping ring (6), a bolt cap part of the locking bolt (7) is arranged above the clamping ring (6), and a bolt body part of the locking bolt passes through the brass workpiece (5) and is threadedly connected to the bottom clamping plate (4).
2. A brass workpiece machining fixture according to claim 1, characterized in that: An inner concave clamping surface (8) is provided on the side where the fixed clamping part (2) and the movable clamping part (3) are close to each other, and a top clamping plate (9) is provided on the top of the brass workpiece (5).
3. A brass workpiece machining fixture according to claim 2, characterized in that: A fixing block (10) is fixedly connected to the bearing base (1), a positioning groove (11) is provided on one side of the movable clamping portion (3), and the positioning groove (11) and the fixing block (10) are slidably connected.
4. A brass workpiece machining fixture according to claim 3, characterized in that: The fixed block (10) is threadedly connected with an adjusting screw (12), one end of the adjusting screw (12) is rotatably connected to the movable clamping part (3), and the other end is fixedly connected to a rotating handle (13), and the bottom of the movable clamping part (3) and the two sides of the supporting base (1) are fixedly connected with limiting sliders (14).
5. A brass workpiece machining fixture according to claim 1, characterized in that: A fixing plate (15) is slidably connected to the bearing base (1), and the fixing plate (15) is provided with clamping holes (16) in a linear array.
6. A brass workpiece machining fixture according to claim 5, characterized in that: A pulling rod (17) is arranged above the bearing base (1), and both ends of the pulling rod (17) extend into the clamping hole (16). A limiting ring (18) is fixedly connected to the pulling rod (17), and a spring (19) is fixedly connected to the bottom of the limiting ring (18). The bottom of the spring (19) is fixedly connected to the top of the bearing base (1).