CN220296507U - Multistage clamping device - Google Patents
Multistage clamping device Download PDFInfo
- Publication number
- CN220296507U CN220296507U CN202321820055.8U CN202321820055U CN220296507U CN 220296507 U CN220296507 U CN 220296507U CN 202321820055 U CN202321820055 U CN 202321820055U CN 220296507 U CN220296507 U CN 220296507U
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- pressing
- moving plate
- clamping device
- plate
- fixedly connected
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- 238000003825 pressing Methods 0.000 claims abstract description 88
- 238000005553 drilling Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 238000003754 machining Methods 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Jigs For Machine Tools (AREA)
Abstract
The utility model discloses a multistage clamping device, and belongs to the technical field of machine tool clamps; it comprises the following steps: the device comprises a U-shaped clamping assembly and a multi-stage pressing assembly, wherein the U-shaped clamping assembly comprises U-shaped bodies used for clamping two sides of a part to be processed; the multistage pressing assembly comprises a moving plate capable of moving relative to the U-shaped body and a plurality of pressing units, wherein the pressing units comprise pressing heads and elastic pieces, and the pressing heads are connected with the moving plate through the elastic pieces; the pressing units are arranged at intervals along the length direction of the part to be processed, and the pressing heads of the pressing units are shortened gradually from the near end to the far end of the part to be processed. The utility model can compress a plurality of thin parts and improve the processing efficiency.
Description
Technical Field
The utility model relates to the technical field of machine tool fixtures, in particular to a multi-stage clamping device.
Background
The mold is used for obtaining various molds and tools of required products by injection molding, blow molding, extrusion, die casting or forging, smelting, stamping and the like in industrial production, and the mold is often required to be drilled when being processed, so that the mold can be provided with a hole groove for subsequent use and the like.
The utility model of publication number CN218946991U creates and discloses a boring grab for mould, through workstation, frame board, casing, expansion spring, ejector pin, splint, protection pad, bracing piece, sleeve pipe, movable block, movable groove and stopper that set up, can make this anchor clamps possess the effectual effect of centre gripping, utilizes splint to carry out the centre gripping to the top both sides of mould and utilizes the stopper to carry out spacing reinforcement to the splint to stability after this assurance centre gripping avoids the mould to appear rocking scheduling problem after the centre gripping, has satisfied people's user demand.
When the existing drilling clamp clamps thin parts, only one thin part can be clamped, the thin parts are drilled, the machining efficiency is low, and the machining of a large number of thin parts is not facilitated.
Disclosure of Invention
In view of the foregoing, it is desirable to provide a multi-stage clamping device that solves the problem of the prior art boring grab that can only clamp a single thin part.
The present utility model provides a multi-stage clamping device comprising:
the U-shaped clamping assembly comprises U-shaped bodies used for clamping two sides of a part to be processed;
the multistage pressing assembly comprises a moving plate capable of moving relative to the U-shaped body and a plurality of pressing units, wherein the pressing units comprise pressing heads and elastic pieces, and the pressing heads are connected with the moving plate through the elastic pieces; the pressing units are arranged at intervals along the length direction of the part to be processed, and the pressing heads of the pressing units are shortened gradually from the near end to the far end of the part to be processed.
In some embodiments, the pressing unit further includes a guide post vertically disposed, one end of the guide post is perpendicular to the pressing head and fixedly connected with the pressing head, and the other end of the guide post is inserted into the moving plate and slidably connected with the moving plate.
In some embodiments, the elastic member is a spring, the spring is sleeved on the guide post, and two ends of the spring are respectively connected with the moving plate and the pressing head.
In some embodiments, the guide posts are at least one and disposed around the elastic member, the guide posts being spaced apart from the elastic member.
In some embodiments, the pressing heads of adjacent pressing units have a height difference in the vertical direction, the height difference being consistent with the thickness of the part to be processed.
In some embodiments, the driving assembly further comprises a linear driving piece, an output end of the linear driving piece is fixedly connected with the moving plate, and the linear driving piece can drive the moving plate to move relative to the U-shaped body.
In some embodiments, the device further comprises a support frame, wherein the support frame comprises a bottom plate, a top plate and a support rod which are arranged at intervals, and two ends of the support rod are fixedly connected with the bottom plate and the top plate respectively; the output end of the linear driving piece is connected with the movable plate through the top plate, and the U-shaped body is fixedly connected with the bottom plate.
In some embodiments, a plurality of guide rods are arranged between the top plate and the moving plate, one ends of the guide rods are perpendicular to the moving plate and fixedly connected with the moving plate, and the other ends of the guide rods are inserted into the top plate and are in sliding connection with the top plate.
In some embodiments, the fixed end of the linear driving member is fixedly connected with the top plate, and a plurality of guide rods are arranged around the linear driving member.
In some embodiments, the U-shaped body comprises a bottom block and two side blocks, wherein the side blocks are arranged on two sides of the bottom block and are fixedly connected with the bottom block, the bottom block is fixedly connected with the bottom plate, and the distance between the two side blocks is consistent with the width of a part to be processed.
Compared with the prior art, the utility model has the following beneficial effects:
(1) The multistage pressing assembly comprises a moving plate and a plurality of pressing units, wherein the moving plate can move relative to the U-shaped body, and power required by the operation of the pressing assembly is provided. The pressing unit comprises a pressing head and an elastic piece, wherein the pressing head is connected with the movable plate through the elastic piece, and the elastic piece has rigidity for maintaining the shape of the elastic piece. The plurality of pressing units are arranged at intervals along the length direction of the part to be processed, the lengths of the elastic pieces of the pressing units are adjusted, so that the pressing heads of the pressing units are gradually shortened from the near end to the far end of the part to be processed, different pressing heads are respectively abutted with thin parts at different heights according to the sequence, meanwhile, different thin parts are clamped and pressed, the thin parts are firmly clamped, and the drilling machine tool is convenient to drill the thin parts.
(2) The utility model relates to a multistage clamping device which comprises a U-shaped clamping assembly, wherein the U-shaped clamping assembly comprises U-shaped bodies used for clamping two sides of a part to be processed, grooves used for clamping the part to be processed are formed in the U-shaped bodies, a plurality of thin parts are placed in the grooves, and the thin parts are arranged in a staggered mode along the length direction. The U-shaped body can simultaneously clamp a plurality of thin parts, and the number of the parts which can be clamped by the multi-stage clamping assembly is increased, so that the machining efficiency of the drilling machine tool is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:
FIG. 1 is a schematic perspective view of the whole structure of the present utility model;
FIG. 2 is a schematic side view of the overall structure of the present utility model;
FIG. 3 is a schematic elevational view of the entire structure of the present utility model;
FIG. 4 is a schematic view of the structure of the part to be machined in the whole of the present utility model;
in the drawing, a U-shaped clamping assembly 100, a U-shaped body 110, a bottom block 111, a side block 112, a multi-stage pressing assembly 200, a moving plate 210, a pressing unit 220, a pressing head 221, an elastic member 222, a guide column 223, a driving assembly 300, a linear driving member 310, a guide rod 320, a supporting frame 400, a bottom plate 410, a top plate 420, a supporting rod 430, and a part 500 to be processed.
Detailed Description
Preferred embodiments of the present utility model will now be described in detail with reference to the accompanying drawings, which form a part hereof, and together with the description serve to explain the principles of the utility model, and are not intended to limit the scope of the utility model.
The multistage clamping device in this embodiment relates to the technical field of machine tool fixtures, and a plurality of thin parts which are arranged side by side and in a staggered manner are propped by the multistage propping component 200, and each propping unit 220 is respectively and independently propped with one thin part, so that each thin part is ensured to be compressed, and the drill bit is convenient to process the part.
Referring to fig. 1 to 4, a multi-stage clamping device in this embodiment includes: a U-clamp assembly 100 and a multi-stage hold-down assembly 200, wherein:
the U-shaped clamping assembly 100 comprises U-shaped bodies 110 for clamping two sides of a part 500 to be machined, grooves for clamping the part 500 to be machined are formed in the U-shaped bodies 110, a plurality of thin parts (as shown in fig. 4) are placed in the grooves, the part 500 to be machined is specifically a thin part, and the thin parts are arranged in a staggered mode along the length direction. The U-shaped body 110 can simultaneously clamp a plurality of thin parts, and the number of parts which can be clamped by the multi-stage clamping assembly is increased, so that the machining efficiency of the drilling machine tool is improved.
The multi-stage pressing assembly 200 includes a moving plate 210 and a plurality of pressing units 220, wherein the moving plate 210 can move relative to the U-shaped body 110 to provide power required by the operation of the pressing assembly. The pressing unit 220 includes a pressing head 221 and an elastic member 222, the pressing head 221 is connected to the moving plate 210 through the elastic member 222, and the elastic member 222 has rigidity to maintain its shape. The plurality of pressing units 220 are arranged at intervals along the length direction of the part 500 to be processed, the lengths of the elastic pieces 222 of the pressing units 220 are adjusted, so that the pressing heads 221 of the pressing units 220 are shortened gradually from the proximal end to the distal end of the part 500 to be processed, different pressing heads 221 are respectively abutted with thin parts located at different heights according to the sequence, meanwhile, different thin parts are clamped and pressed, the thin parts are firmly clamped, and the drilling machine tool is convenient for drilling the thin parts.
In the use process, a plurality of thin parts which are stacked and arranged in a staggered manner are inserted into the U-shaped body 110, the movable plate 210 is driven to move relative to the U-shaped body 110, the pressing heads 221 of different pressing units 220 are respectively in contact with different thin parts, and simultaneously, each thin part which is stacked is pressed, so that uneven pressing of each thin part caused by unstressed gaps generated in each thin part is avoided.
In some embodiments, referring to fig. 2, the pressing unit 220 further includes a guide post 223 disposed vertically, one end of the guide post 223 is disposed perpendicular to the pressing head 221, and the guide post 223 is fixedly connected to the pressing head 221. The other end of the guide post 223 is inserted into the moving plate 210 and slidably connected to the moving plate 210, and during the movement of the pressing head 221, the guide post 223 can limit the movement direction of the pressing head 221, so as to ensure that the pressing head 221 can move vertically relative to the moving plate 210.
In a specific implementation process, a sliding hole matched with the guide post 223 is formed in the moving plate 210, the guide post 223 is inserted into the sliding hole, the guide post 223 can move relative to the sliding hole, and lubricating grease is arranged between the guide post 223 and the inner wall of the sliding hole.
As one embodiment, the elastic member 222 is a spring, the spring is sleeved on the guide post 223, two ends of the spring are respectively connected with the moving plate 210 and the pressing head 221, the moving plate 210 can drive the pressing head 221 to move relative to the U-shaped body 110, after the corresponding pressing head 221 is abutted against the thin part, the spring is contracted relatively, and the guide post 223 passes through the moving plate 210 upwards, so that the contraction direction of the spring is ensured to be consistent with that of the guide post 223. The contracted springs give the corresponding thin parts a pressing force, so that the thin parts are pressed tightly.
As another embodiment, the guide post 223 is at least one and is disposed around the elastic member 222, the guide post 223 is spaced from the elastic member 222, and the guide post 223 effectively supports the elastic member 222 from the outer side of the elastic member 222, so as to ensure that the pressing head 221 can move vertically relative to the moving plate 210.
In some embodiments, referring to fig. 2, the pressing heads 221 of adjacent pressing units 220 have a height difference in the vertical direction, the height difference is consistent with the thickness of the part 500 to be processed, when the moving plate 210 moves relative to the U-shaped body 110, the pressing heads 221 of different pressing units 220 simultaneously abut against different thin parts, the pressing heads 221 give the same pressing force to the different thin parts, and the pressing force is kept within a reasonable range, so that the extrusion deformation of the thin parts caused by the difference of the pressing force can be avoided.
Referring to fig. 1 to 3, the multi-stage clamping device further includes a driving assembly 300, where the driving assembly 300 includes a linear driving member 310, the linear driving member 310 is specifically an air cylinder, a hydraulic cylinder or an electric push rod, an output end of the linear driving member 310 is fixedly connected with the moving plate 210, the linear driving member 310 can drive the moving plate 210 to move relative to the U-shaped body 110, and the linear driving member 310 can drive the moving plate 210 to move relative to the U-shaped body 110 by the same distance, so as to ensure that the plurality of pressing heads 221 simultaneously abut against the thin-shaped part.
The multi-stage clamping device further comprises a supporting frame 400, wherein the supporting frame 400 comprises a bottom plate 410, a top plate 420 and a supporting rod 430 which are arranged at intervals, and two ends of the supporting rod 430 are fixedly connected with the bottom plate 410 and the top plate 420 respectively. The output end of the linear driving member 310 is connected to the moving plate 210 through the top plate 420, and the U-shaped body 110 is fixedly connected to the bottom plate 410. The linear driving member 310 may drive the moving plate 210 between the U-shaped body 110 and the top plate 420, and a fixed end of the linear driving member 310, particularly a housing, is fixedly connected to the top plate 420.
In some embodiments, referring to fig. 1, a plurality of guide rods 320 are disposed between the top plate 420 and the moving plate 210, one ends of the guide rods 320 are disposed perpendicular to the moving plate 210 and fixedly connected to the moving plate 210, and the other ends of the guide rods 320 are inserted into the top plate 420 and slidably connected to the top plate 420. In a specific implementation process, a plurality of sliding sleeves are embedded in the top plate 420, the guide rods 320 are slidably inserted into the sliding sleeves, and the guide rods 320 can limit the sliding direction of the moving rods, so that the moving plate 210 can move vertically. A plurality of guide bars 320 are disposed around the linear drive member 310, and the guide bars 320 may cooperate to define an output direction of an output end of the linear drive member 310.
In a specific implementation process, the sliding sleeve member is specifically a rigid sleeve or a linear bearing, an outer ring of the rigid sleeve or the linear bearing is fixedly connected with the ejector rod, the guide rod 320 is slidably inserted into an inner ring of the rigid sleeve or the linear bearing, and the guide rod 320 can move along the rigid sleeve or the linear bearing, so that the direction is limited.
In some embodiments, referring to fig. 3, the U-shaped body 110 includes a bottom block 111 and two side blocks 112, the side blocks 112 are disposed at two sides of the bottom block 111 and fixedly connected with the bottom block 111, the bottom block 111 is fixedly connected with the bottom plate 410, a space between the two side blocks 112 is consistent with a width of the thin part, and the thin part can be clamped in the U-shaped body 110 by two side plates. The pressing head 221 can press the thin parts from the opening above the U-shaped body 110, so as to press a plurality of thin parts to be processed, and improve the processing efficiency of the drilling machine.
The working flow is as follows: first, one end of a plurality of thin parts stacked and arranged in a staggered manner is inserted into the U-shaped body 110, and the other end of the plurality of thin parts is inserted into a stepped mold. Then, the moving plate 210 is driven to move relative to the U-shaped body 110, and the pressing heads 221 of the different pressing units 220 respectively abut against the different thin parts, and simultaneously press the thin parts stacked. Then, the drilling machine is started to drill the middle parts of the thin parts, and the drilling machine can drill the thin parts at the same time.
While the utility model has been described with respect to the preferred embodiments, the scope of the utility model is not limited thereto, and any changes or substitutions that would be apparent to those skilled in the art are intended to be included within the scope of the utility model.
Claims (10)
1. A multi-stage clamping device, comprising:
the U-shaped clamping assembly comprises U-shaped bodies used for clamping two sides of a part to be processed;
the multistage pressing assembly comprises a moving plate capable of moving relative to the U-shaped body and a plurality of pressing units, wherein the pressing units comprise pressing heads and elastic pieces, and the pressing heads are connected with the moving plate through the elastic pieces; the pressing units are arranged at intervals along the length direction of the part to be processed, and the pressing heads of the pressing units are shortened gradually from the near end to the far end of the part to be processed.
2. The multi-stage clamping device according to claim 1, wherein the pressing unit further comprises a vertically arranged guide post, one end of the guide post is perpendicular to the pressing head and fixedly connected with the pressing head, and the other end of the guide post is inserted into the moving plate and slidably connected with the moving plate.
3. The multi-stage clamping device according to claim 2, wherein the elastic member is a spring, the spring is sleeved on the guide post, and two ends of the spring are respectively connected with the moving plate and the pressing head.
4. A multi-stage clamping device according to claim 2, wherein the guide posts are at least one and are disposed around the resilient member, the guide posts being spaced from the resilient member.
5. A multi-stage clamping device according to any of claims 1-4, wherein the pressing heads of adjacent pressing units have a height difference in the vertical direction, which corresponds to the thickness of the part to be machined.
6. The multi-stage clamping device of claim 1, further comprising a drive assembly including a linear drive member having an output end fixedly coupled to the moving plate, the linear drive member being capable of driving the moving plate to move relative to the U-shaped body.
7. The multi-stage clamping device according to claim 6, further comprising a supporting frame, wherein the supporting frame comprises a bottom plate, a top plate and a supporting rod which are arranged at intervals, and two ends of the supporting rod are fixedly connected with the bottom plate and the top plate respectively; the output end of the linear driving piece is connected with the movable plate through the top plate, and the U-shaped body is fixedly connected with the bottom plate.
8. The multi-stage clamping device according to claim 7, wherein a plurality of guide rods are arranged between the top plate and the moving plate, one ends of the guide rods are perpendicular to the moving plate and fixedly connected with the moving plate, and the other ends of the guide rods are inserted into the top plate and slidably connected with the top plate.
9. The multi-stage clamping device according to claim 8, wherein the fixed end of the linear driving member is fixedly connected to the top plate, and a plurality of the guide rods are provided around the linear driving member.
10. The multi-stage clamping device according to claim 9, wherein the U-shaped body comprises a bottom block and two side blocks, the side blocks are arranged on two sides of the bottom block and fixedly connected with the bottom block, the bottom block is fixedly connected with the bottom plate, and the space between the two side blocks is consistent with the width of a part to be processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321820055.8U CN220296507U (en) | 2023-07-11 | 2023-07-11 | Multistage clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321820055.8U CN220296507U (en) | 2023-07-11 | 2023-07-11 | Multistage clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220296507U true CN220296507U (en) | 2024-01-05 |
Family
ID=89347601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321820055.8U Active CN220296507U (en) | 2023-07-11 | 2023-07-11 | Multistage clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220296507U (en) |
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2023
- 2023-07-11 CN CN202321820055.8U patent/CN220296507U/en active Active
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