CN214351909U - Clamping device - Google Patents
Clamping device Download PDFInfo
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- CN214351909U CN214351909U CN202023140064.1U CN202023140064U CN214351909U CN 214351909 U CN214351909 U CN 214351909U CN 202023140064 U CN202023140064 U CN 202023140064U CN 214351909 U CN214351909 U CN 214351909U
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- pressing
- claw
- piece
- clamping device
- pressing claw
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Abstract
The utility model discloses a clamping device, which comprises a driving mechanism and a clamping mechanism; the clamping mechanism comprises a transmission piece, a pressing claw group and a mounting seat; the mounting seat is fixedly connected with the driving mechanism; the transmission part is fixedly connected with the output end of the driving mechanism; the mounting seat is provided with a mounting cavity with openings at two ends, and the mounting cavity is annularly provided with a transmission part and a pressing claw group; the opening of the mounting seat can be used for placing hollow parts; the pressing claw groups are rotatably arranged on two sides of the transmission part and movably connected with the mounting base; the driving mechanism drives the driving part to move in a telescopic mode, the driving part drives the pressing claw group to move relative to the installation cavity, the pressing claw group is contracted or expanded according to the connection relation between the pressing claw group and the installation seat, and the pressing claw group moves towards the opening of the installation cavity while being expanded to perform internal pressing and positioning actions. The utility model discloses a to the interior clamping position of hollow spare part, simple structure, convenient operation.
Description
Technical Field
The utility model relates to a spare part processing technology field especially relates to a clamping device.
Background
The jig is a device for fixing a processing object and fixing the processing object at a correct position to receive processing or inspection in a machine manufacturing process.
The existing fixture for processing some parts generally adopts a fixture positioning mode of one surface and two pins, for example, a special fixture for automobile parts generally adopts a positioning pin for fixing, and generally uses a fixed positioning workpiece, and the operation method is to insert the positioning workpiece into a positioning hole for positioning after artificial observation and determination.
The inventor of the application finds that the existing hollow parts have some problems which are difficult to avoid in the positioning processing of the hollow parts:
(1) the positioning difficulty is caused by the easy inclination or deviation of the placing position of the hollow part, so that the fixing quality and efficiency of the hollow part are also influenced.
(2) In the processing process, due to inaccurate positioning, the positioning tool is extremely easy to collide with the parts, the processing surface of the parts is easy to scratch, the positioning tool and the hollow parts can be broken in a short time after colliding with each other for multiple times, the positioning tool cannot be used, and the frequent replacement of the positioning tool inevitably increases the production cost and reduces the working efficiency of part processing.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a clamping device, solves the technical problem that the hollow part in the prior art is difficult to position in the positioning and machining process, and improves the machining efficiency of the hollow part by clamping and positioning the hollow part.
The embodiment of the application provides a clamping device, which comprises a driving mechanism and a clamping mechanism;
the clamping mechanism comprises a transmission piece, a pressing claw group and a mounting seat;
the mounting seat is fixedly connected with the driving mechanism; the transmission piece is fixedly connected with the output end of the driving mechanism; the mounting seat is provided with a mounting cavity with openings at two ends, and the mounting cavity is annularly provided with the transmission part and the pressing claw group; the opening of the mounting seat can be used for placing hollow parts;
the pressing claw groups are rotatably arranged on two sides of the transmission part and movably connected with the mounting base;
the driving mechanism drives the transmission piece to move in a telescopic mode, the transmission piece drives the pressing claw group to move relative to the installation cavity, the pressing claw group is contracted or expanded according to the connection relation between the pressing claw group and the installation seat, and the pressing claw group moves towards the opening of the installation cavity while expanding, and the pressing claw group is compressed.
Preferably, a sliding groove is formed in the mounting seat, a protruding piece is fixedly arranged on the pressing claw group, the protruding piece is clamped in the sliding groove, and when the transmission piece moves in a telescopic mode, the pressing claw group is driven to move, and the protruding piece is driven to move along the sliding groove.
Preferably, the sliding grooves are formed in two opposite side walls of the mounting seat, the upper limits of the sliding grooves are located on the same horizontal line, and the lower limits of the sliding grooves are located on different horizontal lines of the same horizontal plane, so that the pressing claw groups are driven to contract when the protruding members move towards the upper limits of the sliding grooves, and the pressing claw groups are driven to expand when the protruding members move towards the lower limits of the sliding grooves.
Preferably, the pressing claw group comprises a first pressing claw piece, a second pressing claw piece and a pin,
the first claw pressing piece, the second claw pressing piece and the transmission piece are provided with through holes,
the first claw pressing piece and the second claw pressing piece are respectively arranged on two opposite side surfaces of the transmission piece, and the pin penetrates through the through holes in the first claw pressing piece, the transmission piece and the second claw pressing piece, so that the first claw pressing piece and the second claw pressing piece can rotate on two side surfaces of the transmission piece by taking the pin as an axis.
Preferably, the first pressure claw piece and the second pressure claw piece each comprise a connecting part and a clamping and positioning part, the connecting part and the clamping and positioning part are in an "L" shape, and the connecting part is screwed on the transmission part; the clamp positioning portions of the first and second jaw members are opposite in direction.
Preferably, the clamping and positioning portion comprises a pressing surface and a lateral positioning surface, when the driving mechanism drives the transmission member to retract into the mounting cavity, the protrusion is limited at the lower limit of the chute, the pressing surface is aligned with the opening end portion of the mounting cavity, and the lateral positioning surface is aligned with the inner side of the opening of the mounting cavity.
Preferably, the sliding groove is of an arc-shaped design.
Preferably, a first connection substrate and a second connection substrate are further included between the mounting seat and the driving mechanism,
the first connecting substrate is fixedly connected with the air cylinder through a first bolt;
the second connecting substrate is fixedly connected with the first connecting substrate through a second bolt and fixedly connected with the mounting seat through a third bolt, and the second connecting substrate is fixedly connected with the platform on which the clamping device is mounted.
Preferably, the drive mechanism is a cylinder.
Preferably, the protruding member is a driver bolt.
The clamping device provided in the embodiment of the application has at least the following technical effects:
1, this application embodiment simple structure, convenient operation can solve the problem of cavity spare part location difficulty, avoid cavity spare part processing man-hour with positioning tool collide with, promote the life of cavity spare part.
2, this application embodiment utilizes the driving medium to remove, drives and presses the shrink of claw group or open, realizes the quick location and the release of cavity spare part, effectively promotes spare part machining efficiency, reduction in production cost.
3, this application embodiment is from the inside location and the clamp of cavity spare part, simple structure, low cost.
Drawings
FIG. 1 is a schematic view of a clamping device with a hollow member contracted according to an embodiment of the present application;
FIG. 2 is a schematic view of a clamping device with a hollow member according to an embodiment of the present disclosure;
FIG. 3 is a schematic structural view of a clamping device according to an embodiment of the present application;
FIG. 4 is a sectional view of a driving member connecting structure of a clamping device according to an embodiment of the present application;
FIG. 5 is a schematic view of a pressing claw set connection driving member of a clamping device according to an embodiment of the present disclosure;
FIG. 6 is a schematic view of a mounting seat of a clamping device according to an embodiment of the present disclosure;
FIG. 7 is a schematic view of a sliding channel structure on a mounting seat of a clamping device according to an embodiment of the present application;
FIG. 8 is a schematic view of the upper limit of the chute of the cam member of the embodiment of the present application;
FIG. 9 is a schematic view of the lower limit of the chute of the cam member of the embodiment of the present application;
fig. 10 is a schematic structural view of a pressing claw group of a clamping device according to an embodiment of the present application;
fig. 11 is a schematic structural view of a pressing claw member of a clamping device according to an embodiment of the present application.
Reference numerals:
the clamping mechanism 100, the driving mechanism 200, the hollow component 300, the pressing claw group 110, the transmission member 120, the mounting base 130, the protrusion 111, the first connecting substrate 140, the second connecting substrate 150, the sliding groove 131, the mounting cavity 132, the pin 112, the first claw member 113, the second claw member 114, the pressing surface 115, and the lateral positioning surface 116.
Detailed Description
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
Referring to fig. 1, the present embodiment provides a clamping device, which includes a driving mechanism 200 and a clamping mechanism 100. In one embodiment, the driving mechanism 200 is a pneumatic cylinder, for example, a hydraulic pneumatic cylinder, and the driving mechanism 200 is provided with a switch on its body, and the switch can be directly pressed to drive the output end to extend and retract.
Referring to fig. 2-4, the clamping mechanism 100 of the present embodiment includes a transmission member 120, a pressing claw group 110, and a mounting base 130. The mounting base 130 is fixedly connected with the driving mechanism 200, and the transmission member 120 is fixedly connected with the output end of the driving mechanism 200. Further, the output end of the driving mechanism 200 is provided with a mounting through hole, and the transmission member 120 is embedded in the mounting hole. The mounting base 130 is provided with a mounting cavity 132 with openings at two ends, and the driving member 120 and the pressing claw group 110 are annularly arranged in the mounting cavity 132, so that the driving member 120 and the pressing claw group 110 can move telescopically relative to the mounting cavity 132. The opening of the mounting base 130 of the present embodiment can be placed with the hollow component 300, and the through hole of the hollow component 300 is aligned with the opening of the mounting base 130.
Referring to fig. 5, the pressing claw sets 110 in this embodiment are rotatably disposed on two sides of the transmission member 120 and movably connected to the mounting base 130. The driving mechanism 200 drives the transmission member 120 to move in a telescopic manner, the transmission member 120 drives the pressing claw group 110 to move relative to the mounting cavity 132, and the pressing claw group 110 is contracted or expanded according to the connection relationship between the pressing claw group 110 and the mounting base 130, and moves towards the opening of the mounting cavity 132 while expanding, so as to perform internal compression positioning action.
The opening of the mounting seat 130 in this embodiment can be placed with a hollow part 300, the hollow part 300 is a target workpiece object in this embodiment, the hollow part 300 in this embodiment is not limited to a square structure, and any shape of parts including a hollow design can be positioned and compressed.
The pressing claw sets 110 in this embodiment are rotatably disposed on two sides of the transmission member 120, and movably connected to the mounting base 130. Further, the mounting seat 130 is provided with a sliding slot 131, in an embodiment, referring to fig. 6, the sliding slot 131 is designed in an arc shape, and of course, the shape of the sliding slot 131 can be adaptively adjusted according to the actual structure of the hollow component 300 to be pressed and positioned. The pressing claw group 110 is fixedly provided with a protrusion 111, and in one embodiment, the protrusion 111 is a setscrew bolt, and the components can be conveniently detached and installed through the setscrew bolt. The protruding member 111 in this embodiment is clamped in the sliding slot 131, and when the transmission member 120 moves in a telescopic manner, the pressing claw group 110 is driven to move, so that the protruding member 111 is driven to move along the sliding slot 131. In an embodiment, referring to fig. 7, the sliding grooves 131 are disposed on two opposite sidewalls of the mounting base 130, the upper limits of the sliding grooves 131 are located on the same horizontal line, and the lower limits of the sliding grooves 131 are located on different horizontal lines of the same horizontal plane, so that the two sliding grooves 131 are in an inverted "eight" shape, and referring to fig. 8-9, when the protrusion 111 moves towards the upper limit of the sliding groove 131, the pressing claw group 110 is driven to contract, and when the protrusion 111 moves towards the lower limit of the sliding groove 131, the pressing claw group 110 is driven to expand.
Referring to fig. 10, the pressing claw group 110 in this embodiment includes a first pressing claw member, a second pressing claw member and a pin 112, through holes are formed in the first pressing claw member, the second pressing claw member and the transmission member 120, the first pressing claw member and the second pressing claw member are respectively disposed on two opposite side surfaces of the transmission member 120, and the pin 112 penetrates through the through holes in the first pressing claw member, the transmission member 120 and the second pressing claw member, so that the first pressing claw member and the second pressing claw member can rotate on two side surfaces of the transmission member 120 with the pin 112 as an axis. In one embodiment, referring to fig. 11, each of the first jaw pressing member and the second jaw pressing member includes a connecting portion and a clamping and positioning portion, and the connecting portion and the clamping and positioning portion are "L" -shaped; the connecting portion is screwed on the transmission member 120, and the directions of the clamping and positioning portions of the first pressure claw member and the second pressure claw member are opposite. Further, the clamping and positioning portion includes a pressing surface 115 and a lateral positioning surface 116, when the driving mechanism 200 drives the transmission member 120 to retract into the mounting cavity 132, the protrusion 111 is limited at the lower limit of the sliding slot 131, the pressing surface 115 aligns with the end of the opening of the mounting cavity 132, and the lateral positioning surface 116 aligns with the inside of the opening of the mounting cavity 132. Of course, the shape of the clamping and positioning portion can be adaptively adjusted according to the actual structure of the hollow component 300 to be pressed and positioned.
The mounting base 130 and the driving mechanism 200 in this embodiment further include a first connection substrate 140 and a second connection substrate 150, and the first connection substrate 140 is fixedly connected to the driving mechanism 200 through a first bolt; the second connection substrate 150 is fixedly connected to the first connection substrate 140 by the second bolt, and is fixedly connected to the mounting base 130 by the third bolt, and the second connection substrate 150 is fixedly connected to the platform on which the clamping device is mounted, so that the clamping device of the present embodiment can be conveniently mounted at a desired position.
While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made to the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A clamping device is characterized by comprising a driving mechanism and a clamping mechanism;
the clamping mechanism comprises a transmission piece, a pressing claw group and a mounting seat;
the mounting seat is fixedly connected with the driving mechanism; the transmission piece is fixedly connected with the output end of the driving mechanism; the mounting seat is provided with a mounting cavity with openings at two ends, and the mounting cavity is annularly provided with the transmission part and the pressing claw group; the opening of the mounting seat can be used for placing hollow parts;
the pressing claw groups are rotatably arranged on two sides of the transmission part and movably connected with the mounting base;
the driving mechanism drives the transmission piece to move in a telescopic mode, the transmission piece drives the pressing claw group to move relative to the installation cavity, the pressing claw group is contracted or expanded according to the connection relation between the pressing claw group and the installation seat, and the pressing claw group moves towards the opening of the installation cavity while expanding, and internal pressing and positioning actions are carried out.
2. The clamping device as claimed in claim 1, wherein a sliding slot is provided on the mounting seat, a protrusion member is fixedly provided on the pressing claw group, the protrusion member is clamped in the sliding slot, and when the driving member moves telescopically, the pressing claw group is driven to move, so that the protrusion member is driven to move along the sliding slot.
3. The clamping device as claimed in claim 2, wherein the sliding grooves are disposed on two opposite side walls of the mounting base, the upper limits of the sliding grooves are located on the same horizontal line, and the lower limits of the sliding grooves are located on different horizontal lines of the same horizontal plane, so that the protruding member drives the pressing claw groups to contract when moving towards the upper limits of the sliding grooves, and drives the pressing claw groups to expand when moving towards the lower limits of the sliding grooves.
4. The clamping device as recited in claim 2, wherein said clamping jaw set includes a first clamping jaw member, a second clamping jaw member, and a pin,
the first claw pressing piece, the second claw pressing piece and the transmission piece are provided with through holes,
the first claw pressing piece and the second claw pressing piece are respectively arranged on two opposite side surfaces of the transmission piece, and the pin penetrates through the through holes in the first claw pressing piece, the transmission piece and the second claw pressing piece, so that the first claw pressing piece and the second claw pressing piece can rotate on two side surfaces of the transmission piece by taking the pin as an axis.
5. The clamping device as claimed in claim 4, wherein said first jaw member and said second jaw member each include a connecting portion and a clamp positioning portion, said connecting portion and said clamp positioning portion being "L" -shaped; the connecting part is screwed on the transmission part, and the directions of the clamping and positioning parts of the first pressure claw piece and the second pressure claw piece are opposite.
6. The clamping device as claimed in claim 5, wherein the clamping and positioning portion includes a pressing surface and a lateral positioning surface, when the driving mechanism drives the driving member to retract into the mounting cavity, the protrusion member is limited at the lower limit of the sliding groove, the pressing surface is aligned with the opening end of the mounting cavity, and the lateral positioning surface is aligned with the inner side of the opening of the mounting cavity.
7. Clamping device according to claim 2, characterized in that the slide groove is of arcuate design.
8. The clamping device as claimed in claim 1, further comprising a first connection substrate and a second connection substrate between said mounting base and said driving mechanism,
the first connecting substrate is fixedly connected with the driving mechanism through a first bolt;
the second connecting substrate is fixedly connected with the first connecting substrate through a second bolt and fixedly connected with the mounting seat through a third bolt, and the second connecting substrate is fixedly connected with the platform on which the clamping device is mounted.
9. The clamping device as claimed in claim 1, wherein said drive mechanism is a pneumatic cylinder.
10. The clamping device as recited in claim 2, wherein said protruding member is a driver bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023140064.1U CN214351909U (en) | 2020-12-23 | 2020-12-23 | Clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023140064.1U CN214351909U (en) | 2020-12-23 | 2020-12-23 | Clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214351909U true CN214351909U (en) | 2021-10-08 |
Family
ID=77987851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023140064.1U Active CN214351909U (en) | 2020-12-23 | 2020-12-23 | Clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214351909U (en) |
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2020
- 2020-12-23 CN CN202023140064.1U patent/CN214351909U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221207 Address after: Plant 16, Luzhi Intelligent Manufacturing Industrial Park, No. 1, Zhangqing Street, Luzhi Town, Wuzhong District, Suzhou City, Jiangsu Province, 215127 Patentee after: Suzhou Ningyou Electromechanical Technology Co.,Ltd. Address before: No.1 Zhineng Avenue, Suzhou International Education Park, Suzhou, Jiangsu Province Patentee before: Suzhou Vocational Institute of Industrial Technology |