CN220533569U - Bench clamp for machine tool - Google Patents
Bench clamp for machine tool Download PDFInfo
- Publication number
- CN220533569U CN220533569U CN202321913425.2U CN202321913425U CN220533569U CN 220533569 U CN220533569 U CN 220533569U CN 202321913425 U CN202321913425 U CN 202321913425U CN 220533569 U CN220533569 U CN 220533569U
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- clamping
- machine tool
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- clamp
- plate
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- 238000003754 machining Methods 0.000 abstract description 5
- 230000009471 action Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
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- Jigs For Machine Tools (AREA)
Abstract
The utility model relates to the technical field of machine tool clamps, and particularly discloses a bench clamp for a machine tool, which comprises a base, wherein a clamping block for clamping a workpiece is arranged at the upper end of the base, a lead screw for pushing the clamping block is connected to the base, the clamping block comprises a push plate connected with the base, one side of the push plate is connected with a clamping plate, a plurality of clamping rods are arranged on the clamping plate and are in sliding fit with the clamping plate, and a positioning bolt for fixing the clamping rods is arranged at the upper end of the clamping plate; set up the clamp lever on the clamp splice, the clamp lever can be according to the shape slip of work piece, realizes that multiple spot centre gripping is fixed to the work piece, has not only increased the commonality of centre gripping, has improved the fastness of centre gripping moreover, has ensured the fastness of processing, has improved machining precision.
Description
Technical Field
The utility model relates to the technical field of machine tool fixtures, in particular to a bench clamp for a machine tool.
Background
The bench clamp is a main clamp of a planer, a milling machine, a drilling machine and a slotting machine, is a universal accessory of a machine tool, is fixed on a machine tool workbench and is used for clamping a workpiece to carry out cutting machining, and is widely used for machining various planes, grooves, angles and the like of the milling machine, the drilling machine and the like, and has the functions of fixing, clamping and positioning the workpiece in the machining process.
At present, a plurality of flat-nose pliers are used on the machine tool, one clamping block is driven to move through a screw rod, clamping action is achieved, the flat-nose pliers which are convenient to fix are used for the machine tool and disclosed in CN208196576U, the conventional flat-nose pliers are of similar structures, and as the clamping surfaces of the two clamping blocks are planes, the flat-nose pliers are suitable for clamping workpieces with relatively flat surfaces, and the clamping is not stable enough for irregular workpieces with uneven surfaces, so that the machining precision is affected.
Disclosure of Invention
The utility model aims at the defects in the prior art, and provides the bench clamp for the machine tool, wherein the clamping rod is arranged on the clamping block and can slide according to the shape of a workpiece, so that the workpiece is clamped and fixed at multiple points, the universality of clamping is improved, the clamping firmness is improved, the processing firmness is ensured, and the processing precision is improved.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a bench vice for lathe, includes the base, the upper end of base is equipped with the clamp splice that is used for the centre gripping work piece, is connected with the lead screw that promotes the clamp splice on the base, the clamp splice includes the push pedal of being connected with the base, one side of push pedal is connected with the splint, be equipped with a plurality of clamp levers on the splint, clamp lever and splint sliding fit, the upper end of splint is equipped with the positioning bolt of fixed clamp lever.
Preferably, the clamping plate is provided with a sliding hole, the clamping rod is in sliding fit with the sliding hole, the rear end of the clamping rod is provided with a limiting plate, the upper end of the pushing plate is provided with a top plate, and a spring is connected between the top plate and the limiting plate.
Preferably, the top plate is connected with a guide rod, a yielding hole matched with the guide rod is formed in the clamping rod, and the spring is sleeved on the outer side of the guide rod.
Preferably, the front end of the clamping rod is provided with a clamping head.
Preferably, the chuck is made of rubber.
Preferably, there are at least two clamping bars on each clamping block.
Preferably, the side wall of the clamping plate is provided with anti-skid patterns.
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 block, and can slide according to the shape of the workpiece, so that the workpiece is clamped and fixed at multiple points, the universality of clamping is improved, the clamping firmness is improved, the processing firmness is ensured, and the processing precision is improved.
2. According to the utility model, the spring is arranged at the rear end of the clamping rod, so that the clamping rod can automatically prop against the side wall of a workpiece in the clamping process, the positioning speed of the clamping rod is improved, and the use is simple.
3. The clamping head of the clamping rod can be fully received in the sliding hole, not only can clamp a workpiece by adopting the clamping plate, but also can clamp the workpiece by using the clamping rod, and the use is more convenient.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a top view of the present utility model;
FIG. 3 is a schematic view of the structure of a clamping block;
FIG. 4 is a cross-sectional view of a clamp block;
fig. 5 is a schematic structural view of the clamping bar.
In the figure: 1-clamping blocks; 101-pushing plate; 102-clamping plates; 103-slide hole; 104-top plate; 105-a guide bar; 106-a spring; 2-a base; 3-a lead screw; 4-clamping bars; 401-relief holes; 402-limiting plates; 403-clamping heads; 5-positioning bolts.
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, a bench clamp for a machine tool comprises a base 2, wherein a clamping block 1 for clamping a workpiece is arranged at the upper end of the base 2, the two clamping blocks 1 are respectively a fixed clamping block 1 and a movable clamping block 1, the structures of the clamping blocks are identical, a guide rail is arranged at the upper end of the base 2, the fixed clamping block 1 is connected with the base 2, the movable clamping block 1 is in sliding fit with the guide rail, a screw rod 3 for pushing the movable clamping block 1 is connected to the base 2, the screw rod 3 can be rotated to drive the movable clamping block 1 to move, clamping action is realized, the structure is identical with that of the existing mechanism, and the base 2 is arranged on a workbench of the machine tool when the bench clamp is used.
In this application, as shown in fig. 2-3, the clamping block 1 includes a push plate 101 connected with a base 2, one side of the push plate 101 is connected with a clamping plate 102, a plurality of clamping rods 4 are arranged on the clamping plate 102, the clamping rods 4 are in sliding fit with the clamping plate 102, and a positioning bolt 5 for fixing the clamping rods 4 is arranged at the upper end of the clamping plate 102. Two clamp splice 1 carry out the centre gripping with the work piece, and slip clamp lever 4 makes clamp lever 4 top on the lateral wall of work piece, and it is fixed with clamp lever 4 through positioning bolt 5, realizes the multiple spot centre gripping to special-shaped work piece through splint 102 and clamp lever 4.
In order to increase the convenience of use, be equipped with slide hole 103 on splint 102, clamp lever 4 and slide hole 103 sliding fit, the rear end of clamp lever 4 is equipped with limiting plate 402, and the upper end of push pedal 101 is equipped with roof 104, is connected with spring 106 between roof 104 and the limiting plate 402, and under spring 106's effect, clamp lever 4 stretches out automatically, and during the centre gripping, clamp lever 4 pushes up on the lateral wall of work piece automatically, improves clamping speed.
The guide rod 105 is connected to the top plate 104, the clamp rod 4 is internally provided with a yielding hole 401 matched with the guide rod 105, one end of the spring 106, sleeved on the outer side of the guide rod 105, of the guide rod 105 is positioned in the sliding hole 103, and the clamp rod 4 can be completely retracted into the yielding hole 401, namely:
when the clamping surface is flat, the workpiece can be clamped by using the clamping plate 102, and the side wall of the clamping plate 102 is provided with anti-skid patterns; when the special-shaped workpiece is clamped, the workpiece is clamped by the clamping rods 4, and at least two clamping rods 4 are arranged on each clamping block 1, as shown in fig. 5, the front ends of the clamping rods 4 are provided with clamping heads 403, and the clamping heads 403 are made of rubber materials.
When the clamping device is used, a workpiece is placed between two clamping blocks 1, the screw rod 3 is rotated to clamp the workpiece, the workpiece pushes the clamping rod 4 in the clamping process, the clamping rod 4 is propped against the side wall of the workpiece according to the shape of the workpiece, after the clamping rod 4 clamps the workpiece, the clamping rod 4 is fixed through the positioning bolt 5, and the screw rod 3 is rotated again, so that the clamping rod 4 clamps the workpiece firmly.
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 (7)
1. The utility model provides a bench vice for lathe, includes the base, the upper end of base is equipped with the clamp splice that is used for the centre gripping work piece, is connected with the lead screw that promotes the clamp splice on the base, its characterized in that: the clamp splice includes the push pedal of being connected with the base, one side of push pedal is connected with the splint, be equipped with a plurality of clamp levers on the splint, clamp lever and splint sliding fit, the upper end of splint is equipped with the positioning bolt of fixed clamp lever.
2. A vice for a machine tool as claimed in claim 1, wherein: the clamping plate is provided with a sliding hole, the clamping rod is in sliding fit with the sliding hole, the rear end of the clamping rod is provided with a limiting plate, the upper end of the pushing plate is provided with a top plate, and a spring is connected between the top plate and the limiting plate.
3. A vice for a machine tool as claimed in claim 2, wherein: the top plate is connected with a guide rod, a yielding hole matched with the guide rod is formed in the clamping rod, and the spring is sleeved on the outer side of the guide rod.
4. A vice for a machine tool as claimed in claim 1, wherein: the front end of the clamping rod is provided with a clamping head.
5. A vice for a machine tool as defined in claim 4, wherein: the clamping head is made of rubber.
6. A vice for a machine tool as claimed in claim 1, wherein: the number of the clamping rods on each clamping block is at least two.
7. A vice for a machine tool as claimed in claim 1, wherein: the side wall of the clamping plate is provided with anti-skid patterns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321913425.2U CN220533569U (en) | 2023-07-20 | 2023-07-20 | Bench clamp for machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321913425.2U CN220533569U (en) | 2023-07-20 | 2023-07-20 | Bench clamp for machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220533569U true CN220533569U (en) | 2024-02-27 |
Family
ID=89960348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321913425.2U Active CN220533569U (en) | 2023-07-20 | 2023-07-20 | Bench clamp for machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220533569U (en) |
-
2023
- 2023-07-20 CN CN202321913425.2U patent/CN220533569U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |