CN220463496U - Auxiliary clamp for workpiece machining - Google Patents
Auxiliary clamp for workpiece machining Download PDFInfo
- Publication number
- CN220463496U CN220463496U CN202321760449.9U CN202321760449U CN220463496U CN 220463496 U CN220463496 U CN 220463496U CN 202321760449 U CN202321760449 U CN 202321760449U CN 220463496 U CN220463496 U CN 220463496U
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- clamp
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- 238000003754 machining Methods 0.000 title abstract description 7
- 238000003860 storage Methods 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 238000005266 casting Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007528 sand casting Methods 0.000 description 1
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- Jigs For Machine Tools (AREA)
Abstract
The utility model relates to the technical field of clamps, and particularly discloses an auxiliary clamp for workpiece machining, which comprises a base, wherein two clamping seats for clamping a workpiece are arranged at the upper end of the base, each clamping seat comprises a push plate and a clamping block, one end of each push plate is connected with each clamping block, a yielding hole is formed in each clamping block along the length direction, a sliding seat is connected to the upper end of each push plate in a sliding manner, a clamping rod is connected to the inner threads of each sliding seat, the clamping rods are matched with the yielding holes, a rotating block is arranged at one end of each clamping rod, and a clamping head for clamping the workpiece is arranged at the other end of each clamping rod. The clamping rod is arranged on the clamping seat, the clamping position of the clamping rod can be independently adjusted relative to the clamping seat, the clamping seat is matched with the clamping rod to realize multi-point clamping fixation of the special-shaped workpiece, the clamping firmness is improved, the problem that the existing bench clamp clamps are unreliable in clamping the special-shaped workpiece is solved, the machining precision and efficiency are improved, and the use universality is improved.
Description
Technical Field
The utility model relates to the technical field of clamps, in particular to an auxiliary clamp for workpiece machining.
Background
Most of the castings are still sand casting at present, and the casting process determines flash, burrs, parting lines (mold closing lines), casting heads and the like, so that the cleaning and polishing of the castings are indispensable procedures.
When polishing a workpiece, a clamp is required to clamp and fix the workpiece. At present, the most used bench clamp in machining is a multifunctional bench clamp disclosed in patent CN213319680U, and a workpiece can be clamped and fixed through two clamp seats by rotating a screw rod, so that the multifunctional bench clamp is very convenient to use.
The clamping surface of the clamp seat of the existing bench clamp is mostly plane, so that the clamping of a workpiece with a relatively flat end surface is very firm, but for some special-shaped workpieces, the workpiece with an uneven surface, such as a circular arc-shaped workpiece, is in single-point contact with the workpiece, so that the clamp seat is not stable enough in clamping, the workpiece is easy to slide in the processing process, and the processing precision and efficiency are affected.
Disclosure of Invention
The utility model aims at the defects in the prior art, and provides the auxiliary clamp for processing the workpiece, wherein the clamping rod is arranged on the clamping seat, the clamping position of the clamping rod relative to the clamping seat can be independently adjusted, the clamping seat and the clamping rod are matched to realize multi-point clamping and fixing of the special-shaped workpiece, the clamping firmness is improved, the problem that the clamping of the existing bench clamp to the special-shaped workpiece is unreliable is solved, the processing precision and efficiency are improved, and the use universality is improved.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a work piece processing auxiliary fixture, includes the base, the upper end of base is equipped with two holders that are used for the centre gripping work piece, the holder includes push pedal and clamp splice, the one end and the clamp splice of push pedal are connected, be equipped with the hole of stepping down along length direction on the clamp splice, the upper end sliding connection of push pedal has the slide, threaded connection has the clamp lever in the slide, the clamp lever cooperates with the hole of stepping down, and the one end of clamp lever is equipped with the commentaries on classics piece, and the other end of clamp lever is equipped with the chuck that is used for the centre gripping work piece.
Preferably, the upper end of the push plate is provided with a sliding groove, and the lower end of the sliding seat is provided with a sliding block matched with the sliding groove.
Preferably, the upper end of the sliding seat is provided with a supporting plate, and the supporting plate is provided with a positioning bolt matched with the clamping block.
Preferably, an insertion block is arranged at one end of the clamping rod, and a connecting cap matched with the insertion block is arranged at one end of the clamping head.
Preferably, the side wall of the insertion block is provided with a clamping hole, the inner wall of the connecting cap is provided with a storage hole, a clamping head matched with the clamping hole is connected in the storage hole in a sliding manner, one end of the clamping head matched with the clamping hole is hemispherical, and the other end of the clamping head is connected with the bottom of the storage hole through a spring.
Preferably, the upper end of the base is provided with a guide rod and a screw rod, and the lower end of the push plate is provided with a sliding sleeve matched with the guide rod and a nut sleeve matched with the screw rod.
Preferably, a fixing plate is arranged at the lower end of the base.
Preferably, one end of the screw rod is connected with a rotating wheel, and a handle is connected to the side wall of the rotating wheel.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the clamping rod is arranged on the clamping seat, the clamping position of the clamping rod relative to the clamping seat can be independently adjusted, the clamping seat is matched with the clamping rod to realize multi-point clamping and fixing of the special-shaped workpiece, the clamping firmness is improved, the problem that the existing bench clamp clamps the special-shaped workpiece unreliably is solved, the machining precision and efficiency are improved, and the use universality is increased.
2. According to the utility model, the slide seat can be fixed through the positioning bolt, so that the stability during clamping is improved, and the reliability of clamping is ensured.
3. The utility model realizes the installation and fixation of the clamping head through the matching of the spherical clamping head and the clamping hole, and the clamping head can be pulled out only by slightly applying force when being disassembled and replaced, thereby being convenient to disassemble and assemble.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic diagram of a structure of a holder;
FIG. 3 is a second schematic view of a holder;
FIG. 4 is a schematic view of the cooperation of the clamping bar and the slide;
FIG. 5 is a schematic view of the structure of the clamping bar;
FIG. 6 is a schematic view of a chuck;
FIG. 7 is a second schematic structural view of the chuck;
FIG. 8 is a schematic view of the structure of a lead screw;
fig. 9 is a schematic view of the structure of the present utility model in use.
In the figure: 1-a base; 101-a guide rod; 102-a fixed plate; 2-clamping seats; 201-pushing plate; 202-clamping blocks; 203-yielding holes; 204-sliding sleeve; 205-nut sleeve; 206-a chute; 3-clamping bars; 301-turning blocks; 302-clamping holes; 303-plug-in block; 4-a slide; 401-positioning bolts; 402-a support plate; 403-slider; 5-clamping heads; 501-connecting a cap; 502-a receiving hole; 503-a spring; 504-clamping head; 6-a workpiece; 7-a lead screw; 701-handle; 702-a 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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1, an auxiliary fixture for processing a workpiece 6 comprises a base 1, a fixed plate 102 is arranged at the lower end of the base 1, two clamping seats 2 for clamping the workpiece 6 are arranged at the upper end of the base 1, the clamping seats 2 comprise a push plate 201 and a clamping block 202, one end of the push plate 201 is connected with the clamping block 202, a guide rod 101 and a screw rod 7 are arranged at the upper end of the base 1, a sliding sleeve 204 matched with the guide rod 101 and a nut sleeve 205 matched with the screw rod 7 are arranged at the lower end of the push plate 201, a rotating wheel 702 is connected at one end of the screw rod 7, a handle 701 is connected to the side wall of the rotating wheel 702, the screw rod 7 can be rotated through the handle 701, and the push plate 201 drives the clamping block 202 to move, so that clamping action is realized.
The clamping seat 2 can adopt two driving modes, and the first mode is an existing structure, namely, one clamping seat 2 is fixed, and the other clamping seat 2 is driven by the screw rod 7 to realize clamping.
The second mode is as follows: as shown in fig. 8, two screw rods 7 with opposite screw thread rotation directions are connected into one long screw rod 7 through a coupling, two clamping seats 2 are respectively matched with the screw rods 7 with opposite screw thread rotation directions, and the two clamping seats 2 can be driven to move in opposite directions or in opposite directions through rotation of a handle 701, so that clamping action is realized. The second mode is adopted in the application.
In order to clamp workpieces 6 with different shapes, as shown in fig. 3, a yielding hole 203 is formed in a clamping block 202 along the length direction, a sliding seat 4 is slidably connected to the upper end of a push plate 201, as shown in fig. 4, a clamping rod 3 is connected to the sliding seat 4 in a threaded manner, a long bolt can be adopted for the clamping rod 3 to be matched with the yielding hole 203, a rotating block 301 is arranged at one end of the clamping rod 3, a clamping head 5 for clamping the workpieces 6 is arranged at the other end of the clamping rod 3, the clamping rod 3 can be rotated through the rotating block 301, the clamping head 5 is enabled to prop against the workpieces 6, and clamping of different depths of the workpieces 6 instead of clamping of the same plane is achieved.
At least two clamping rods 3 are arranged on each clamping seat 2.
As shown in fig. 3, a slide groove 206 is provided at the upper end of the push plate 201, and a slider 403 is provided at the lower end of the slide 4 to be engaged with the slide groove 206. A supporting plate 402 is arranged at the upper end of the sliding seat 4, a positioning bolt 401 matched with the clamping block 202 is arranged on the supporting plate 402, and the positioning bolt 401 is rotated to enable the positioning bolt 401 to prop against the side wall of the clamping block 202, so that the sliding seat 4 is fixed.
In this application, the chuck 5 may take different shapes, such as a cylinder, a needle, a U-shape, etc., and the chuck 5 may be removed and replaced, as shown in fig. 5-6, where an insert 303 is disposed at one end of the clamping rod 3, and a connection cap 501 matched with the insert 303 is disposed at one end of the chuck 5.
In order to facilitate replacement of the chuck 5, a clamping hole 302 is formed in a side wall of the insert block 303, as shown in fig. 7, a receiving hole 502 is formed in an inner wall of the connecting cap 501, a chuck 504 matched with the clamping hole 302 is slidably connected in the receiving hole 502, one end of the chuck 504 matched with the clamping hole 302 is hemispherical, and the other end of the chuck 504 is connected with the bottom of the receiving hole 502 through a spring 503. After the connection cap 501 is mounted on the insert 303, the chuck 504 automatically ejects into the chuck hole 302, the chuck 5 is pulled out, and the chuck 504 is pressed into the receiving hole 502, so that the connection cap 501 is removed from the insert 303.
In use, as shown in fig. 9, the workpiece 6 is placed between the two holders 2, and the two holders 2 are brought close to each other to clamp and fix the workpiece 6 by rotating the rotating wheel 702 via the handle 701. If the clamping rod 3 is needed, after the workpiece 6 is clamped through the clamping seat 2, the sliding seat 4 slides, the clamping position of the clamping rod 3 is adjusted according to the shape of the workpiece 6, and then the clamping rod 3 is rotated, so that the clamping head 5 is propped against the side wall of the workpiece 6 to clamp the workpiece 6, the workpiece 6 is clamped and fixed at multiple points, the clamping firmness is ensured, and the workpiece 6 is prevented from sliding in the polishing process.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (8)
1. The utility model provides a work piece adds auxiliary fixture, includes the base, the upper end of base is equipped with two holders that are used for centre gripping work piece, its characterized in that: the clamp comprises a push plate and a clamp block, one end of the push plate is connected with the clamp block, a yielding hole is formed in the clamp block along the length direction, a sliding seat is connected to the upper end of the push plate in a sliding mode, a clamp rod is connected to the sliding seat in a threaded mode, the clamp rod is matched with the yielding hole, a rotating block is arranged at one end of the clamp rod, and a clamping head used for clamping a workpiece is arranged at the other end of the clamp rod.
2. A workpiece processing auxiliary fixture as defined in claim 1, wherein: the upper end of the push plate is provided with a sliding groove, and the lower end of the sliding seat is provided with a sliding block matched with the sliding groove.
3. A workpiece processing auxiliary fixture as defined in claim 1, wherein: the upper end of the sliding seat is provided with a supporting plate, and the supporting plate is provided with a positioning bolt matched with the clamping block.
4. A workpiece processing auxiliary fixture as defined in claim 1, wherein: one end of the clamping rod is provided with an inserting block, and one end of the clamping head is provided with a connecting cap matched with the inserting block.
5. A workpiece processing auxiliary fixture as defined in claim 4, wherein: the side wall of the insertion block is provided with a clamping hole, the inner wall of the connecting cap is provided with a storage hole, a clamping head matched with the clamping hole is connected in a sliding manner in the storage hole, one end of the clamping head matched with the clamping hole is hemispherical, and the other end of the clamping head is connected with the bottom of the storage hole through a spring.
6. A workpiece processing auxiliary fixture as defined in claim 1, wherein: the upper end of the base is provided with a guide rod and a screw rod, and the lower end of the push plate is provided with a sliding sleeve matched with the guide rod and a nut sleeve matched with the screw rod.
7. A workpiece processing auxiliary fixture as defined in claim 1, wherein: the lower extreme of base is equipped with the fixed plate.
8. A workpiece processing auxiliary fixture as defined in claim 6, wherein: one end of the screw rod is connected with a rotating wheel, and the side wall of the rotating wheel is connected with a handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321760449.9U CN220463496U (en) | 2023-07-06 | 2023-07-06 | Auxiliary clamp for workpiece machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321760449.9U CN220463496U (en) | 2023-07-06 | 2023-07-06 | Auxiliary clamp for workpiece machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220463496U true CN220463496U (en) | 2024-02-09 |
Family
ID=89802367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321760449.9U Active CN220463496U (en) | 2023-07-06 | 2023-07-06 | Auxiliary clamp for workpiece machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220463496U (en) |
-
2023
- 2023-07-06 CN CN202321760449.9U patent/CN220463496U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |