CN218556374U

CN218556374U - Self-adaptive milling fixture

Info

Publication number: CN218556374U
Application number: CN202223088259.5U
Authority: CN
Inventors: 林健信
Original assignee: Delilai Precision Manufacturing Huizhou Co ltd
Current assignee: Delilai Precision Manufacturing Huizhou Co ltd
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-03-03
Anticipated expiration: 2032-11-16

Abstract

A self-adaptive milling clamp comprises a plurality of clamping units which are combined, wherein each clamping unit comprises a support, a positioning structure and a clamping structure, the support bears the positioning structure, and the clamping units are assembled in the supports to clamp and unclamp raw materials placed in the positioning structures; the clamping structure comprises an air cylinder, a supporting seat, a supporting rod, a clamping block and a connecting pin, wherein the air cylinder is fixed in the support, the supporting seat is fixed on the front side of the support, a piston rod of the air cylinder is connected with the bottom end of the supporting rod, the top end of the supporting rod is connected with the clamping block through the connecting pin, the middle section of the supporting rod is connected in the supporting seat serving as a rotating fulcrum in a pin mode, and the clamping block is pushed to move in the positioning structure. The utility model relates to a self-adaptation milling fixture through using pneumatic system, drives the support and presss from both sides tight piece, and cooperation location structure comes to press from both sides tightly to place raw and other materials wherein, and can both the self-adaptation to not unidimensional raw and other materials and press from both sides tightly, and quick clamping operation can be accomplished to repetitive movement, and the material resources cost of can using manpower sparingly can be reused.

Description

Self-adaptive milling fixture

[ technical field ] A method for producing a semiconductor device

The utility model relates to a machine tooling technical field especially relates to an all-purpose anchor clamps of milling process of different valve class part clamping of self-adaptation.

[ background ] A method for producing a semiconductor device

In the field of machining of precise parts, machining is mostly realized, and the machining of the numerical control machine tool is upgraded on the basis of machining. For valve block parts, the parts are generally block-shaped structures, and have structures such as holes and cavities inside, and milling processing needs to be performed by using processing center equipment.

Before milling, raw materials need to be stably fixed, the existing machining equipment can be fixed by a clamp, and machine flat tongs or a special clamp can be used for clamping and fixing.

Adopt machine flat-nose pliers centre gripping raw and other materials to mill processing, need carry out the pertinence to flat-nose pliers before the clamping and repair, for example because the raw and other materials size difference of different valve blocks, need process out the die cavity and the location benchmark that hold raw and other materials earlier on flat-nose pliers when using flat-nose pliers, and if follow-up change to use the flat-nose pliers after the raw and other materials of small size are processed can't press from both sides tightly to suitable position again, therefore can not lead to joining in marriage suitable.

When the flat tongs are used for clamping raw materials, the corresponding accommodating section bars need to be aligned, the raw materials can be clamped stably only when the holding section bars are clamped on a positioning reference, and the raw materials are prevented from being loosened and scrapped in the machining process, so that the clamping efficiency is low, and a large amount of manual intervention is needed for operation. The cost is increased from the two aspects of manual workload and continuous processing of adaptive special fixtures.

[ summary of the invention ]

The utility model provides a self-adaptation milling fixture to above problem, can replace traditional machine flat-nose pliers and ordinary special fixture, adaptation pneumatic system in this self-adaptation milling fixture promotes the anchor clamps piece and accomplishes the clamping and the pine of anchor clamps and press from both sides the operation, can adapt to the raw and other materials clamping of different sizes, and the simple operation is convenient adaptability is strong, need not too much manual intervention and need not to process the anchor clamps each time and lead to the material waste, reduces manual work and raw and other materials cost; through the replacement of location base and locating piece, can be suitable for the clamping of different parts that mill.

The utility model relates to a self-adaptive milling fixture, which is characterized in that the milling fixture comprises a plurality of clamping units, each clamping unit comprises a bracket, a positioning structure and a clamping structure, the bracket bears the positioning structure, and the clamping structure is assembled in the bracket to clamp and loosen raw materials placed in the positioning structure; the clamping structure comprises an air cylinder, a supporting seat, a supporting rod, a clamping block and a connecting pin, wherein the air cylinder is fixed in the support, the supporting seat is fixed on the front side of the support, a piston rod of the air cylinder is connected with the bottom end of the supporting rod, the top end of the supporting rod is connected with the clamping block through the connecting pin, the middle section of the supporting rod is connected in the supporting seat serving as a rotating fulcrum in a pin mode, and the clamping block is pushed to move in the positioning structure.

The top end of the strut is of a Y-shaped structure and is divided into a first strut end and a second strut end, the first strut end is connected with a first clamping block through a first connecting pin in a pin joint mode, and the second strut end is connected with a second clamping block through a second connecting pin in a pin joint mode.

And a supporting seat connecting hole is arranged below the branch of the supporting rod, and the supporting rod is connected to the supporting seat through a supporting seat connecting pin in a pin mode.

The support comprises a bottom plate, a left side plate, a right side plate and a cylinder mounting plate, wherein the left side plate and the right side plate are fixed on the left side and the right side of the bottom plate, the cylinder mounting plate is fixed at the front end of the bottom plate and connected with the left side plate and the right side plate, a cylinder hole is formed in the cylinder mounting plate, a cylinder is mounted on the bottom plate of the support, a cylinder piston rod extends out of the support through the cylinder hole and is connected with the bottom of a supporting rod.

The top of the support is provided with a positioning structure, the positioning structure comprises a positioning bottom plate and left and right side positioning blocks, the positioning bottom plate is fixed on left and right side plates of the support, and the left and right side plates are arranged on the positioning bottom plate.

When a plurality of positioning structures are combined, the positioning structure further comprises a middle positioning block, wherein the middle positioning block is arranged between different positioning structures to separate and limit each raw material.

The utility model relates to a self-adaptation milling fixture through using pneumatic system, drives the support and presss from both sides tight piece, and cooperation location structure comes to press from both sides tightly to place raw and other materials wherein, and can both the self-adaptation to not unidimensional raw and other materials press from both sides tightly, and quick clamping operation can be accomplished in repetitive motion, and simultaneously through the size of adjustment cylinder pressure, can the fixed clamping dynamics, it is not hard up to avoid the undersize dynamics to lead to the clamping, or the dynamics is too big to cause the press from both sides to hinder the scheduling problem.

[ description of the drawings ]

Fig. 1 is a schematic view of an adaptive milling fixture according to the present invention;

fig. 2 is a schematic diagram illustrating a disassembled adaptive milling fixture according to the present invention;

fig. 3 is a schematic view illustrating a state that the adaptive milling fixture clamps the raw material;

wherein: 10. a support; 11. a base plate; 12. a left side plate; 13. a right side plate; 14. a cylinder mounting plate; 141. a cylinder hole position; 20. a positioning structure; 21. positioning a bottom plate; 211. positioning the rear end; 22. a left side positioning block; 23. a right side positioning block; 24. a middle positioning block; 30. a clamping structure; 31. a cylinder; 311. a cylinder piston rod; 32. a supporting seat; 33. a strut; 331. a first strut end; 332. a second strut end; 333. a supporting seat connecting hole; 334. the supporting seat is connected with a pin; 34. a clamping block; 341. a first clamping block; 342. a second clamping block; 35. a connecting pin; 351. a first connecting pin; 352. a second connecting pin.

100. Raw materials.

[ detailed description ] A

The invention will be described in detail below with reference to the drawings, wherein examples of the embodiments are shown in the drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1 and 2: the utility model relates to a self-adaptation milling fixture, which is characterized in that the milling fixture comprises a plurality of clamping units, each clamping unit comprises a support 10, a positioning structure 20 and a clamping structure 30, the support 10 supports the positioning structure 20, and the clamping structure 30 is assembled in the support 10 to clamp and loosen raw materials placed in the positioning structure 20; the clamping structure 30 comprises a cylinder 31, a supporting seat 32, a supporting rod 33, a clamping block 34 and a connecting pin 35, wherein the cylinder 31 is fixed in the bracket 10, the supporting seat 32 is fixed on the front side of the bracket 10, a cylinder piston rod 311 is connected with the bottom end of the supporting rod 33, the top end of the supporting rod 33 is connected with the clamping block 34 through the connecting pin 35, the middle section of the supporting rod is pinned in the supporting seat 32 serving as a rotating fulcrum, and the clamping block 34 is pushed to move in the positioning structure 20.

The bracket 10 is used as a supporting part of the whole clamp and plays a role of fixing other parts, a positioning structure 20 is arranged at the top of the bracket, the positioning structure 20 is a part for placing raw materials, and the clamping structure 30 drives the clamping block 34 to move through a pneumatic mechanism, so that the raw materials are clamped and loosened at the corresponding position of the positioning structure 20.

The top end of the strut 33 is a bifurcated "Y" structure, which is divided into a first strut end 331 and a second strut end 332, wherein the first strut end is pinned to the first clamping block 341 by a first connecting pin 351, and the second strut end 332 is pinned to the second clamping block 342 by a second connecting pin 352. The support rod 33 is divided into two parts, so that clamping action can be performed from two ends of the raw material, and the situation that clamping is unstable due to unbalance of force is avoided.

A bearing seat coupling hole 333 is provided below the branch of the strut 33, and the strut 33 is pin-coupled to the bearing seat 32 by a bearing seat coupling pin 334. The fulcrum of the strut acts as a lever, the fulcrum of the strut is located on the supporting seat 32, the strut 33 is pinned on the supporting seat 32 through the supporting seat connecting pin 334, the lever rotation is carried out by taking the supporting seat 32 as the fulcrum, so as to push the bottom end of the strut 33 by the cylinder piston rod 311 of the cylinder, the top end of the strut, namely the first strut end 331 and the second strut end 332 move and press towards the positioning structure. That is, the first and second strut ends 331 and 332 bring the first and

second clamping blocks

341 and 342 to clamp the raw material.

The support 10 comprises a bottom plate 11, a left side plate 12, a right side plate 13 and a cylinder mounting plate 14, wherein the left side plate and the right side plate are fixed on the left side and the right side of the bottom plate 11, the cylinder mounting plate 14 is fixed at the front end of the bottom plate 11 and is connected with the left side plate and the right side plate, a cylinder hole 141 is formed in the cylinder mounting plate 14, a cylinder 31 is mounted on the support bottom plate 11, and a cylinder piston rod 311 extends out of the support 10 through the cylinder hole 141 and is connected with the bottom of a supporting rod 33.

The top of the bracket 10 is provided with a positioning structure 20, the positioning structure 20 includes a positioning bottom plate 21, a left positioning block 22 and a right positioning block 23, the positioning bottom plate 21 is fixed on the left and right side plates of the bracket 10, and the positioning bottom plate 21 is provided with the left and right side plates.

The positioning back end 211 is arranged at the back side of the positioning bottom plate 21, and forms a part of a limiting frame together with the left side plate 22 and the right side plate 23.

When a plurality of positioning structures are combined, the positioning structure further comprises middle positioning blocks 24, and the middle positioning blocks 24 are arranged among different positioning structures to separate and limit each raw material.

Please refer to fig. 3: when the milling fixture is used, a raw material 100 is placed on the positioning structure 20, the switch of the air cylinder 31 is turned on, the air cylinder piston rod 311 is pushed forwards to drive the clamping block 34 on the supporting rod 33 to clamp the raw material 100, so that the clamping action of the raw material 100 is completed, the switch of the air cylinder 31 is turned off after the processing is completed, the air cylinder piston rod 311 is retracted to drive the left and right clamping blocks 34 on the supporting rod 33 to loosen from the reverse side of the raw material 100, and then the milled part can be taken down. Quick clamping operation can be accomplished to the repetitive motion, simultaneously through the size of adjustment cylinder pressure, can the fixed clamping dynamics, avoids the dynamics undersize to lead to the clamping not hard up, or the dynamics is too big to cause the problem such as clamp wound.

The utility model relates to a self-adaptation milling fixture through using pneumatic system, drives the support and presss from both sides tight piece, and cooperation location structure comes to press from both sides tightly to place raw and other materials wherein, and can both self-adaptation press from both sides tightly to not unidimensional raw and other materials, and quick clamping operation can be accomplished in repetitive motion, and the material resources cost of can using manpower sparingly by a wide margin to used repeatedly.

The above description is only for the preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention is disclosed in the preferred embodiment, it is not limited to the above description, and any person skilled in the art can make modifications or changes equivalent to the above disclosed technical content without departing from the technical scope of the present invention.

Claims

1. A self-adaptive milling fixture is characterized by comprising a plurality of clamping units, wherein each clamping unit comprises a support, a positioning structure and a clamping structure; the clamping structure comprises an air cylinder, a supporting seat, a supporting rod, a clamping block and a connecting pin, wherein the air cylinder is fixed in the support, the supporting seat is fixed on the front side of the support, a piston rod of the air cylinder is connected with the bottom end of the supporting rod, the top end of the supporting rod is connected with the clamping block through the connecting pin, the middle section of the supporting rod is in pin joint with the supporting seat serving as a rotating fulcrum, and the clamping block is pushed to move in the positioning structure.

2. The adaptive milling fixture of claim 1, wherein the strut top end is a bifurcated "Y" configuration having a first strut end and a second strut end, the first strut end being pinned to the first clamping block by a first connecting pin, and the second strut end being pinned to the second clamping block by a second connecting pin.

3. The adaptive milling fixture of claim 2, wherein a bearing block connecting hole is formed below the branch of the strut, and the strut is pinned to the bearing block by a bearing block connecting pin.

4. The adaptive milling fixture according to claim 2, wherein the support comprises a bottom plate, left and right side plates and a cylinder mounting plate, the left and right side plates are fixed on the left and right sides of the bottom plate, the cylinder mounting plate is fixed on the front end of the bottom plate and connected with the left and right side plates, a cylinder hole is formed in the cylinder mounting plate, a cylinder is mounted on the bottom plate of the support, and a cylinder piston rod extends out of the support through the cylinder hole and is connected with the bottom of the supporting rod.

5. The adaptive milling fixture according to claim 1, wherein a positioning structure is disposed on the top of the support, the positioning structure includes a positioning bottom plate, left and right positioning blocks, the positioning bottom plate is fixed on the left and right side plates of the support, and the left and right side plates are disposed on the positioning bottom plate.

6. The adaptive milling fixture according to claim 5, wherein a positioning rear end is provided at the rear side of the positioning bottom plate, and forms part of the limiting frame together with the left side plate and the right side plate.

7. The adaptive milling fixture of claim 6, wherein when a plurality of positioning structures are combined, the positioning structures further comprise intermediate positioning blocks, and the intermediate positioning blocks are arranged between different positioning structures to separate and limit each raw material.