CN212122426U - Workpiece clamping mechanism convenient to adjust - Google Patents
Workpiece clamping mechanism convenient to adjust Download PDFInfo
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- CN212122426U CN212122426U CN202020416254.2U CN202020416254U CN212122426U CN 212122426 U CN212122426 U CN 212122426U CN 202020416254 U CN202020416254 U CN 202020416254U CN 212122426 U CN212122426 U CN 212122426U
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- adjust
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- 230000006835 compression Effects 0.000 claims description 17
- 238000007906 compression Methods 0.000 claims description 17
- 210000000078 claw Anatomy 0.000 claims description 6
- 238000003754 machining Methods 0.000 abstract description 5
- 238000005553 drilling Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of machining, especially, relate to a work piece fixture convenient to adjust, it includes the workstation, remove the frame, mounting bracket and clamping device, it slides along workstation extending direction to remove the frame, the mounting bracket is adorned admittedly on removing the frame, remove and install the chuck on the frame, the chuck is equipped with the draw-in groove, clamping device includes the mount pad, fixed block and many sets of closing device, the jack catch sets firmly on the mount pad, the fixed block is adorned admittedly in the mount pad middle part, closing device includes adjustable support column, briquetting and clamp bolt, adjustable support column installs on the mount pad, clamp bolt adorns admittedly between adjustable support column and fixed block, the briquetting spout is seted up to the outside lower surface of briquetting, waist type through-hole is seted up at the briquetting spout middle part, adjustable support column tip supports in briquetting spout department, the clamp bolt tip passes the. The device provided by the utility model can be adjusted according to work piece position, work piece thickness and diameter, and easy operation is laborsaving.
Description
Technical Field
The utility model relates to a machine tooling technical field especially relates to a work piece fixture convenient to adjust.
Background
Various parts such as compressor casings or pumps often need to be drilled or machined at different positions, special clamps are needed for fixing, and common clamps are fixedly arranged on a workbench to fixedly clamp workpieces, so that the adjustment according to different machining positions is inconvenient, and the adjustment cannot be performed according to the diameters and thicknesses of the workpieces.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a work piece fixture convenient to adjust that easy operation laborsaving just can adjust according to the size of the different processing position of work piece, diameter and thickness is provided.
The utility model discloses a realize through following technical scheme:
a workpiece clamping mechanism convenient to adjust comprises a workbench, a movable frame, a mounting frame and a clamping device, wherein the movable frame is mounted on the workbench and slides along the extension direction of the workbench, the mounting frame is fixedly mounted on the movable frame, a chuck is rotatably mounted on the movable frame, a plurality of clamping grooves are formed in the outer edge of the chuck, the clamping device comprises a mounting seat, a fixed block and a plurality of sets of pressing devices, a plurality of clamping claws matched with the clamping grooves of the movable frame are fixedly arranged on the mounting seat, the mounting seat is mounted on the chuck through the matching of the clamping claws and the clamping grooves, the fixed block is fixedly mounted in the middle of the mounting seat, each set of pressing device comprises an adjustable supporting column, a pressing block and a pressing bolt, the adjustable supporting column is mounted at the outer flange on the upper surface of the mounting seat, the pressing bolt is fixedly mounted between the adjustable supporting column and the fixed block, waist-shaped through holes are formed in the middle of the pressing block, the end portions of the adjustable supporting columns abut against the sliding grooves of the pressing block, and the end portions of the compression bolts penetrate through the waist-shaped holes of the pressing block and are locked through compression nuts.
Furthermore, a plurality of sliding chutes with steps at the bottoms are arranged on the workbench along the extending direction, threaded holes are formed in the positions, corresponding to the sliding chutes, of the moving frame, a moving frame screw rod is installed at the threaded holes, a handle is installed at the top of the moving frame screw rod, and a positioning block which is matched with the sliding chutes in shape and is in clearance fit with the sliding chutes is sleeved at the bottom of the moving frame screw rod.
Furthermore, the adjustable support column comprises a fixed sleeve, an adjusting screw rod and an adjusting nut which are fixedly installed on the installation seat, a threaded hole is formed in the upper portion of the fixed sleeve, and the adjusting screw rod is installed at the threaded hole and locked through the adjusting nut on the top of the fixed sleeve.
Furthermore, the pressing block is of a Z-shaped structure and comprises a front pressing plate, a vertical top plate and a rear pressing plate, the front pressing plate is pressed on the upper surface of the workpiece base, the vertical top plate abuts against the side wall of the workpiece base, and the adjusting screw and the adjustable supporting column are located at the rear pressing plate.
Optimally, the mounting seat and the fixing block are of concentric circular structures, and connecting lines between the adjustable supporting columns and the corresponding compression bolts point to the circle center.
Preferably, the three pressing devices are uniformly distributed on the mounting seat.
Furthermore, the movable frame is provided with a yielding groove at the position corresponding to the movable frame screw rod.
Furthermore, the inner side surface of the movable frame is provided with a yielding groove.
Furthermore, a bracket is fixedly installed on the movable frame, and two arc-shaped supporting plates are installed on the bracket in a sliding mode.
The rotating shaft penetrates through the middle of the chuck, the rotating shaft penetrates through the mounting seat, the fixing block and the outer end portion of the rotating shaft to be provided with the bearing end cover, and the jackscrew is arranged on the bearing end cover.
Beneficial effects of the utility model
A workpiece clamping mechanism convenient to adjust can be adjusted according to different machining positions of workpieces and the thickness and the diameter of a workpiece base, and is simple and labor-saving to operate.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of an adjustable support column structure;
FIG. 3 is a schematic view of a screw structure of the movable frame;
in the drawing, 1, a sliding groove, 2, a workbench, 3, a relief groove, 4, a threaded hole, 5, a moving frame, 6, a compression nut, 7, a compression bolt, 8, a mounting frame, 9, a chuck, 10, a clamping jaw, 11, a mounting seat, 12, an adjustable supporting column, 13, a pressing block, 14, a cutter, 15, a jackscrew, 16, a bearing end cover, 17, a rotating shaft, 18, a bracket, 19, an arc-shaped supporting plate, 20, a fixing block, 21, a workpiece, 22, a pressing block sliding groove, 23, a waist-shaped through hole, 24, a relief groove, 25, a fixing sleeve, 26, an adjusting nut, 27, an adjusting screw, 28, a positioning block, 29, a moving frame screw and 30 are arranged.
Detailed Description
A workpiece clamping mechanism convenient to adjust comprises a workbench 2, a movable frame 5, a mounting frame 8 and clamping devices, wherein the movable frame is mounted on the workbench and slides along the extending direction of the workbench, the mounting frame is fixedly mounted on the movable frame, a chuck 9 is rotatably mounted on the movable frame, a plurality of clamping grooves (not shown) are formed in the outer edge of the chuck, each clamping device comprises a mounting seat 11, a fixing block 20 and a plurality of sets of pressing devices, a plurality of clamping claws 10 matched with the clamping grooves of the movable frame in shape are fixedly arranged on the mounting seat, the mounting seat is mounted on the chuck through the matching of the clamping claws and the clamping grooves, the fixing blocks are fixedly mounted in the middle of the mounting seat, each set of the pressing devices comprises an adjustable supporting column 12, a pressing block 13 and a pressing bolt 7, the adjustable supporting columns are mounted at the outer edge of the upper surface of the mounting seat, the pressing bolts are, the outer lower surface of the pressing block is provided with a pressing block sliding groove 22, the middle of the pressing block is provided with a waist-shaped through hole 23, the end part of the adjustable supporting column is abutted to the pressing block sliding groove, and the end part of the compression bolt penetrates through the waist-shaped hole of the pressing block and is locked through a compression nut 6.
Furthermore, a plurality of sliding chutes 1 with steps at the bottom are arranged on the workbench along the extending direction, threaded holes 4 are arranged at the positions corresponding to the sliding chutes on the moving frame, moving frame screws 29 are arranged at the threaded holes, handles 30 are arranged at the tops of the moving frame screws, positioning blocks 28 which are matched with the sliding chutes in shape and are in clearance fit with the sliding chutes are sleeved at the bottoms of the moving frame screws, when the positions of the moving frame in the horizontal direction need to be adjusted, the handles are rotated to rotate the moving frame screws to drive the positioning blocks to move upwards along the screws, the moving frame can be pushed to move along the sliding chutes after the bottoms of the positioning blocks are separated from the bottoms of the sliding chutes, so that the whole device at the upper part of the moving frame is driven to move along the sliding chutes to adjust the positions of the workpieces relative to the horizontal direction of the processing tools, after the positioning is adjusted in place, the handles are, the moving rack is prevented from moving.
Further, the adjustable support column comprises a fixed sleeve 25, an adjusting screw 27 and an adjusting nut 26 which are fixedly installed on the installation seat, a threaded hole is formed in the upper portion of the fixed sleeve, the adjusting screw is installed in the threaded hole and locked through the adjusting nut at the top of the fixed sleeve, when the adjustable support column needs to be adjusted according to the thickness of the workpiece base, the pressing nut and the adjusting nut are loosened, the workpiece base is pressed at the front portion of the pressing block, then the adjusting screw is rotated, the top of the adjusting screw rises or falls until the pressing block is horizontal, then the adjusting nut is screwed, the adjustable support column can be adjusted according to the diameter of the workpiece base, only the sliding block needs to be pushed, the adjusting screw moves along the sliding groove, the pressing bolt moves along the waist-shaped hole, the pressing nut.
Further, the briquetting is Z type structure, and it includes anterior clamp plate, vertical roof and rear portion clamp plate, anterior clamp plate pressure is at work piece base upper surface, and vertical roof supports the lateral wall of work piece base, and adjusting screw and adjustable support column are located rear portion clamp plate department, and the briquetting adopts Z shape structure, and the work piece not only is compressed tightly, and the lateral wall is withstood moreover, makes the work piece by the more firm of centre gripping, prevents that the work piece from taking place to rock in the course of working.
Optimally, the mounting seat and the fixing block are of concentric circular structures, and connecting lines between the adjustable supporting columns and the corresponding compression bolts point to the circle center, so that the workpiece is compressed and fixed reliably.
Optimally, the three sets of pressing devices are uniformly distributed on the mounting seat, the workpiece is pressed and fixed reliably and the pressing force is uniform.
Furthermore, the moving frame is provided with a abdicating groove 3 at the position corresponding to the moving frame screw rod, so that the handle on the moving frame screw rod is convenient to operate.
Further, the inner side surface of the movable frame is provided with a receding groove 24, so that the movable frame screw rod is convenient to disassemble and assemble.
Further, a bracket 18 is fixedly mounted on the movable frame, and two arc-shaped supporting plates 19 are slidably mounted on the bracket. The front part of the workpiece is supported, so that the workpiece is clamped more stably.
The middle part of the chuck is provided with a rotating shaft 17 in a penetrating way, the rotating shaft penetrates through the mounting seat and the fixing block, the outer end part of the rotating shaft is provided with a bearing end cover 16, and the bearing end cover is provided with a jackscrew 15. The bearing end cover is provided with a threaded hole, the jackscrew penetrates through the threaded hole, and the jackscrew can be enabled to jack the front end face of the workpiece during machining through rotating the jackscrew, so that the workpiece is more stable.
When a workpiece 21 is required to be machined by the cutter 14, the mounting seat is mounted on the chuck through the matching of the clamping jaws and the clamping grooves, the workpiece is placed on the fixing block, the front pressing plate is pressed on the front surface of the workpiece base, the vertical top plate abuts against the side wall of the workpiece base, the rear portion of the pressing block is supported by the adjustable supporting column, the middle portion of the pressing block is locked through the matching of the pressing bolt and the pressing nut, the workpiece is fixedly pressed, and drilling or other operations on the workpiece are facilitated. When drilling or other operations are required to be carried out on different parts of a workpiece, the machining position can be adjusted and changed by moving the movable frame along the extending direction of the workbench and rotating the chuck, and the adjustment is very convenient and fast, simple and labor-saving.
When the adjustable support column is required to be adjusted according to the diameter of a workpiece, the compression nut is only required to be loosened, the pressing block is pushed inwards and outwards, the end part of the adjustable support column slides along the sliding groove of the pressing block, the compression bolt moves along the waist-shaped through hole until the front part of the pressing block can press the outer edge of the upper surface of the workpiece base, then the compression nut is screwed, when the adjustable support column is required to be adjusted according to the thickness of the workpiece base, the compression nut is firstly loosened, the front part of the pressing block is pressed on the outer edge of the upper surface of the workpiece base, then the height of the adjustable support column is adjusted until the pressing block is in the horizontal state position, then the adjustable.
To sum up, the utility model provides a pair of work piece fixture convenient to adjust can adjust according to the thickness and the diameter of the different processing position of work piece, worker's work piece base to it is very simple laborsaving to operate.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A workpiece clamping mechanism convenient to adjust is characterized by comprising a workbench, a moving frame, a mounting frame and a clamping device, wherein the moving frame is mounted on the workbench and slides along the extending direction of the workbench, the mounting frame is fixedly mounted on the moving frame, a chuck is rotatably mounted on the moving frame, a plurality of clamping grooves are formed in the outer edge of the chuck, the clamping device comprises a mounting seat, a fixing block and a plurality of sets of pressing devices, a plurality of clamping claws matched with the clamping grooves of the moving frame in shape are fixedly arranged on the mounting seat, the mounting seat is mounted on the chuck through the matching of the clamping claws and the clamping grooves, the fixing block is fixedly mounted in the middle of the mounting seat, each set of pressing device comprises an adjustable supporting column, a pressing block and a pressing bolt, the adjustable supporting column is mounted at the outer edge of the upper surface of the mounting seat, and the pressing bolt is, the outer lower surface of the pressing block is provided with a pressing block sliding groove, the middle of the pressing block is provided with a waist-shaped through hole, the end part of the adjustable supporting column is abutted to the pressing block sliding groove, and the end part of the compression bolt penetrates through the waist-shaped hole of the pressing block and is locked through a compression nut.
2. The workpiece clamping mechanism convenient to adjust as recited in claim 1, wherein the worktable is provided with a plurality of sliding grooves with steps at the bottom along the extending direction, the movable frame is provided with threaded holes at positions corresponding to the sliding grooves, a movable frame screw is arranged at the threaded holes, a handle is arranged at the top of the movable frame screw, and a positioning block matched with the sliding grooves in shape and in clearance fit with the sliding grooves is sleeved at the bottom of the movable frame screw.
3. The adjustable workpiece clamping mechanism as recited in claim 1, wherein the adjustable support column comprises a fixed sleeve fixedly mounted on the mounting base, an adjusting screw and an adjusting nut, the upper portion of the fixed sleeve is provided with a threaded hole, and the adjusting screw is mounted at the threaded hole and locked by the adjusting nut at the top of the fixed sleeve.
4. The workpiece clamping mechanism convenient to adjust as recited in claim 1, wherein the pressing block is of a Z-shaped structure and comprises a front pressing plate, a vertical top plate and a rear pressing plate, the front pressing plate presses on the upper surface of the workpiece base, the vertical top plate abuts against the side wall of the workpiece base, and the adjusting screw and the adjustable supporting column are located at the rear pressing plate.
5. The adjustable workpiece clamping mechanism as recited in claim 1, wherein the mounting block and the fixed block are concentric circles, and the connecting lines between the adjustable support column and the corresponding compression bolt point to the center of the circle.
6. The adjustable workpiece clamping mechanism of claim 5 wherein the compression means is three sets of compression means evenly distributed on the mounting block.
7. The workpiece clamping mechanism convenient to adjust as recited in claim 2, wherein the movable frame is provided with a relief groove at a position corresponding to the screw of the movable frame.
8. The workpiece clamping mechanism convenient to adjust as recited in claim 7, wherein the inner side surface of the movable frame is provided with an abdicating groove.
9. The adjustable workpiece clamping mechanism as recited in claim 1, wherein the movable frame is fixedly mounted with a bracket, and two arc-shaped supporting plates are slidably mounted on the bracket.
10. The workpiece clamping mechanism convenient to adjust as recited in claim 1, wherein a rotating shaft penetrates through the middle of the chuck, the rotating shaft penetrates through the mounting seat and the fixing block, a bearing end cover is installed at the outer end of the rotating shaft, and a jackscrew is installed on the bearing end cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020416254.2U CN212122426U (en) | 2020-03-27 | 2020-03-27 | Workpiece clamping mechanism convenient to adjust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020416254.2U CN212122426U (en) | 2020-03-27 | 2020-03-27 | Workpiece clamping mechanism convenient to adjust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212122426U true CN212122426U (en) | 2020-12-11 |
Family
ID=73671706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020416254.2U Active CN212122426U (en) | 2020-03-27 | 2020-03-27 | Workpiece clamping mechanism convenient to adjust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212122426U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113909786A (en) * | 2021-11-27 | 2022-01-11 | 湖南坤鼎数控科技有限公司 | Split type rivet welding frock of diesel oil scissors fork |
| CN114459990A (en) * | 2022-01-21 | 2022-05-10 | 国高材高分子材料产业创新中心有限公司 | Friction coefficient testing device |
-
2020
- 2020-03-27 CN CN202020416254.2U patent/CN212122426U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113909786A (en) * | 2021-11-27 | 2022-01-11 | 湖南坤鼎数控科技有限公司 | Split type rivet welding frock of diesel oil scissors fork |
| CN113909786B (en) * | 2021-11-27 | 2023-12-08 | 湖南坤鼎数控科技有限公司 | Split rivet welding tool for diesel scissors and fork |
| CN114459990A (en) * | 2022-01-21 | 2022-05-10 | 国高材高分子材料产业创新中心有限公司 | Friction coefficient testing device |
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