CN211759989U - Bidirectional clamping device - Google Patents
Bidirectional clamping device Download PDFInfo
- Publication number
- CN211759989U CN211759989U CN202020312211.XU CN202020312211U CN211759989U CN 211759989 U CN211759989 U CN 211759989U CN 202020312211 U CN202020312211 U CN 202020312211U CN 211759989 U CN211759989 U CN 211759989U
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- Prior art keywords
- slider
- sliding block
- cam
- block
- clamping device
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- Expired - Fee Related
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Abstract
The utility model discloses a bidirectional clamping device, which comprises a base, a first slide block, a second slide block, a stop block, a connecting rod and a cam for driving the first slide block and the second slide block to move; the first sliding block, the second sliding block and the stop block are sequentially connected to the connecting rod, the cam is fixed on the base, and the cam is arranged between the stop block and the second sliding block; first slider, dog are fixed respectively on the connecting rod, and when the cam rotated, the increase of distance between drive second slider and the dog, thereby move in opposite directions between first slider, the second slider presss from both sides the part that is located between two sliders. The utility model discloses in, effort is exerted to the part from two directions respectively to first slider, second slider to play more stable maintenance effect to the part, simultaneously, second slider and dog play fixed cam's effect, need not fix the cam through other modes, make the assembly of whole device easier.
Description
Technical Field
The utility model relates to a machine parts machining technical field especially relates to a clamping device for pressing from both sides tight part, makes things convenient for parts machining.
Background
In the field of machining technology, when some parts are machined again, a clamping device needs to be used for restraining the parts due to the limitation of size and shape so as to complete subsequent machining.
The existing clamping device can clamp the part from one direction only, cannot form firm retaining force on the part, and is easy to incline when the part is machined. In a second aspect, it is difficult to clamp parts of different sizes with the existing clamping devices.
SUMMERY OF THE UTILITY MODEL
The utility model provides a two-way clamping device can solve the above-mentioned defect among the prior art.
The technical scheme of the utility model as follows:
a bidirectional clamping device comprises a base, a first sliding block and a second sliding block for clamping parts, a stop block for limiting, a connecting rod for connecting, and a cam for driving the first sliding block and the second sliding block to move; the first sliding block, the second sliding block and the stop block are sequentially connected to the connecting rod, the cam is fixed on the base, and the cam is arranged between the stop block and the second sliding block; the first sliding block and the stop block are respectively fixed on the connecting rod, when the cam rotates, the distance between the second sliding block and the stop block is driven to increase, and the first sliding block and the second sliding block move oppositely to clamp a part between the two sliding blocks.
The first sliding block and the second sliding block respectively move oppositely to apply acting force to the part from two directions, so that the part is more stably retained. Meanwhile, the second sliding block and the stop block play a role in fixing the cam, the cam does not need to be fixed in other modes, the connecting structure is simpler, and the whole device is easier to assemble.
Preferably, a clamping block is detachably fixed on the clamping surface of the first sliding block and/or the second sliding block. Through the tight piece of the clamp of changing not equidimension, shape, can realize the tight effect of clamp to different parts, convenient to use has richened clamping device's range of application has the practicality more.
Preferably, the clamping block comprises a V-shaped block, a U-shaped block or a circular arc-shaped block. The clamping blocks with different shapes can be suitable for clamping different parts so as to meet the actual processing requirement.
Preferably, the connecting rods are at least two, each connecting rod is arranged in parallel, and the first sliding block, the second sliding block and the stop block are respectively connected to each connecting rod. The connecting rods can stably fix the first sliding block, the second sliding block and the stop block, so that the second sliding block and the stop block can stably fix the cam, and the clamping device can be more stable and reliable in operation.
Preferably, the cam is provided with a rotating shaft along the axial direction, the cam is fixed in the mounting hole of the base through the rotating shaft, and a handle is fixed on the rotating shaft of the cam in the circumferential direction, and the handle is rotated to drive the cam to rotate between the second sliding block and the stop block. The cam is detachably fixed, so that the cam is easier to assemble and disassemble.
Preferably, the base is provided with a strip-shaped groove, the first slider and the second slider are provided with protruding portions matched with the strip-shaped groove, and the first slider and the second slider are connected to the base in a sliding mode through the protruding portions and the strip-shaped groove in a matched mode. Further make the assembly and the dismantlement of first slider, second slider easier.
Preferably, an elastic reset piece for resetting is arranged between the first sliding block and the second sliding block, and when the cam is reset, the first sliding block and the second sliding block complete resetting under the action of the elastic reset piece.
Preferably, the stopper is fixed to the connecting rod by a bolt. The distance between the stop block and the first sliding block can be adjusted through the adjusting bolt, so that the clamping force of the part is adjusted; when the bolt is screwed down, the cam can be assembled by dismounting the stop block, and the use is convenient.
Preferably, the elastic reset piece comprises a compression spring, and the compression spring is sleeved on the connecting rod. Has the advantages of simple structure and stable and reliable connection.
Preferably, the base is provided with a fixing piece for fixing the part, and the part is further stably fixed between the first sliding block and the second sliding block.
Compared with the prior art, the beneficial effects of the utility model are as follows:
first, the utility model discloses a synchronous clamping device in opposite directions through first slider of cam drive, second slider in opposite directions motion to the realization is waited to process the two-way clamp of part and is pressed from both sides tightly, compares in the tight device of current one-way clamp, the utility model discloses a device can improve the solid state power to the part.
Secondly, the clamping block can be replaced to adapt to the clamping of parts with different shapes, and the positioning and clamping of the parts can be completed by self-centering; and, the utility model discloses a device can realize that both sides move to the center in step under the manual state and realize the clamping action.
Third, first slider, second slider and the dog of this device are connected on the connecting rod, and the pressure spring is located between first slider, the second slider, and the second slider is located to the cam between the dog, need not carry out other fixed connection's mode to pressure spring, cam and just can operate to can also realize the regulation to the spare part clamp force through adjusting bolt, make the assembly of whole device very easy, it is very convenient to use.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
Fig. 1 is a schematic view of the overall structure of a clamping device according to embodiment 1 of the present invention;
fig. 2 is a schematic structural view of a base according to embodiment 1 of the present invention;
fig. 3 is a schematic view of the entire structure of the clamping device of embodiment 1 of the present invention in a clamping state;
fig. 4 is another schematic structural view of the clamping device of embodiment 1 of the present invention in a clamping state;
fig. 5 is a sectional view of a clamping device according to embodiment 1 of the present invention.
Reference numerals: a first slider 1; a second slider 2; a stopper 3; a connecting rod 4; a cam 5; a handle 6; a base 7; an elastic reset member 8; a bolt 9; a part 10; a clamping block 11; a set screw 12; a retention post 13; the projecting portion 21; a rotating shaft 51; an internally threaded bore 52; a strip groove 71; the fitting hole 72; and a mounting hole 73.
Detailed Description
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present invention will be further described with reference to the following specific examples. It should be understood that these examples are only for illustrating the present invention, and are not intended to limit the scope of the present invention. In practical applications, the improvement and adjustment made by those skilled in the art according to the present invention still belong to the protection scope of the present invention.
Example 1
A bidirectional clamping device comprises a base 7, a first sliding block 1 and a second sliding block 2 for clamping parts, a stop block 3 for limiting, a connecting rod 4 for connecting, and a cam 5 for driving the first sliding block 1 and the second sliding block 2 to move; referring to fig. 1-5, a first slider 1, a second slider 2, and a stop block 3 are sequentially connected to a connecting rod 4, a cam 5 is fixed on a base 7, and the cam 5 is disposed between the stop block 3 and the second slider 2; first slider 1, dog 3 are fixed respectively on connecting rod 4, and when cam 5 rotated, drive second slider 2 and dog 3 kept away from each other, and the distance increase between second slider 2 and the dog 3 is close to each other between first slider 1, the second slider 2 to press from both sides the part 10 that tightly is located between two sliders.
As shown in fig. 2, the base 7 is a long strip structure, a strip-shaped groove 71 is arranged in the middle of the base 7, the bottom of the first slider 1 and the bottom of the second slider 2 are provided with a protruding portion 21 matched with the strip-shaped groove, referring to fig. 3, the first slider 1 and the second slider 2 are slidably connected to the base 7 through the matching of the protruding portion 21 and the strip-shaped groove 71, the cam 5 is assembled on the strip-shaped groove 71, and the first slider 1 is fixed at the end of the connecting rod 4 through a set screw 12. The whole device of the embodiment is very easy to assemble and disassemble. Under the action of the cam 5, the first slider 1 and the second slider 2 respectively move towards each other, and force is applied to the part 10 from two directions, so that the part 10 is more stably retained. Meanwhile, the second sliding block 2 and the stop block 3 play a role in fixing the cam, and the cam 5 does not need to be fixed in a fixed connection mode through other modes, so that the connection structure is simpler and more convenient.
Preferably, the clamping block 11 is detachably fixed on the clamping surface of the first sliding block 1 and the second sliding block 2. Through changing the tight piece 11 of the clamp of not equidimension, shape, can realize the tight effect of clamp to different parts for the clamping device of this embodiment uses more conveniently, has richened clamping device's range of application, makes it have the practicality more.
Preferably, the clamping block 11 comprises a V-shaped block, as shown in fig. 1 and 3, a circular arc block, as shown in fig. 4, or alternatively a U-shaped block. The contact area between the clamping block 11 and the part 10 can be increased, and the fixing effect on the part 10 is improved. The clamping blocks 11 with different shapes can be suitable for clamping different parts so as to meet the actual machining requirement, and the size and the shape of the clamping blocks 11 are set according to the actual machining requirement.
Preferably, the connecting rods 4 are arranged in parallel, and the first sliding block 1, the second sliding block 2 and the stop block 3 are respectively connected to the other parallel connecting rods 4. Parallel connecting rod 4 can play stable fixed action to first slider 1, second slider 2 and dog 3 to make second slider 2 and dog 3 play stable fixed action to cam 5, make the clamping device of this embodiment can be more stable, reliable at the during operation.
Referring to fig. 5, the cam 5 is provided with a rotating shaft 51 along the axial direction, the cam 5 is fixed in the mounting hole 73 of the base 7 through the rotating shaft 51, a handle 6 is fixed on the rotating shaft 51 along the circumferential direction, and the cam 5 can be driven to rotate between the second slider 2 and the stopper 3 by rotating the handle 6. The cam 5 is fixed by the rotating shaft 51, and the cam fixing device has the advantages of simple structure, and convenient assembly and use. Be equipped with internal thread hole 52 on the rotation axis 51, pass through threaded connection between handle 6 and the rotation axis 51, during the use, assemble cam 5, rotation axis 51 and handle, after using, can dismantle in order conveniently to deposit.
Preferably, an elastic reset piece 8 for resetting is arranged between the first sliding block 1 and the second sliding block 2, and when the cam 5 resets, the first sliding block 1 and the second sliding block 2 complete resetting under the action of the elastic reset piece 8.
Preferably, the elastic restoring member 8 includes a compression spring, and the compression spring is sleeved on the connecting rod 4. Has the advantages of simple structure and stable and reliable connection.
Preferably, the stop 3 is fixed to the connecting rod 4 by means of a bolt 9. The distance between the stop block 3 and the first sliding block 1 can be adjusted through the adjusting bolt 9, so that the clamping force of the part 10 can be adjusted; when the bolt 9 is screwed down, the cam 5 can be assembled by removing the stop block 3, and the use is very convenient.
With continued reference to fig. 5, the base 7 is provided with a retention pillar 13 for fixing the component 10, a predetermined position of the base 7 is provided with a mounting hole 72, the retention pillar 13 is fixed in the mounting hole 72, and the component 10 is further stably fixed between the first slider 1 and the second slider 2 by the retention pillar 13.
The assembly process of the clamping device of the present embodiment is as follows:
the handle 6 is fitted to the rotary shaft 51, and the cam 5, the rotary shaft 51 and the handle 6 are integrally fitted into the mounting hole 73 of the base 7. First slider 1, pressure spring 8, second slider 2, dog 3 assemble on connecting rod 4 in proper order, and first slider 1 is fixed through holding screw 12, and dog 3 passes through bolt 9 to be fixed, assembles first slider 1, second slider 2 in the bar groove 71 of base 7 again. The retention post 13 is fitted into the mounting hole 72, the part to be machined is inserted onto the retention post 13, and the grip 6 is rotated to complete the clamping of the part to be machined.
The above disclosure is only illustrative of the preferred embodiments of the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical application, to thereby enable others skilled in the art to best utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. A bidirectional clamping device is characterized by comprising a base, a first sliding block, a second sliding block, a stop block and a connecting rod, wherein the first sliding block and the second sliding block are used for clamping parts; the first sliding block, the second sliding block and the stop block are sequentially connected to the connecting rod, the cam is fixed on the base, and the cam is arranged between the stop block and the second sliding block; the first sliding block and the stop block are respectively fixed on the connecting rod, when the cam rotates, the distance between the second sliding block and the stop block is driven to increase, and the first sliding block and the second sliding block move oppositely to clamp a part between the two sliding blocks.
2. The bi-directional clamping device as claimed in claim 1, wherein the clamping surface of the first slider and/or the second slider is detachably fixed with a clamping block.
3. The bi-directional clamping device of claim 2, wherein the clamping block comprises a V-shaped block, a U-shaped block, or a circular arc block.
4. The bi-directional clamping device as claimed in claim 1, wherein there are at least two said connecting rods, each of said connecting rods is disposed in parallel, and said first slider, said second slider, and said stopper are connected to each of said connecting rods.
5. The bi-directional clamping device as claimed in claim 1, wherein the cam has a rotating shaft along an axial direction, the cam is fixed in the mounting hole of the base through the rotating shaft, and a handle is fixed on the rotating shaft along a circumferential direction, and the handle is rotated to drive the cam to rotate between the second slider and the stopper.
6. The bidirectional clamping device as claimed in claim 1, wherein the base has a strip-shaped groove, the first and second sliders have a protrusion matching the strip-shaped groove, and the first and second sliders are slidably connected to the base through the engagement of the protrusion and the strip-shaped groove.
7. The bidirectional clamping device as recited in claim 1, wherein an elastic reset member for resetting is disposed between the first slider and the second slider, and when the cam is reset, the first slider and the second slider complete resetting under the action of the elastic reset member.
8. The bi-directional clamping device as claimed in claim 7, wherein the resilient return member comprises a compression spring, and the compression spring is sleeved on the connecting rod.
9. The bi-directional clamping device as recited in claim 1 wherein said stop is bolted to said connecting rod.
10. The bi-directional clamping device as claimed in claim 1, wherein said base is provided with a retaining member for securing said component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020312211.XU CN211759989U (en) | 2020-03-13 | 2020-03-13 | Bidirectional clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020312211.XU CN211759989U (en) | 2020-03-13 | 2020-03-13 | Bidirectional clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211759989U true CN211759989U (en) | 2020-10-27 |
Family
ID=72929721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020312211.XU Expired - Fee Related CN211759989U (en) | 2020-03-13 | 2020-03-13 | Bidirectional clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211759989U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113428620A (en) * | 2021-07-23 | 2021-09-24 | 苏州华兴欧立通自动化科技有限公司 | High-precision overturning, positioning and side-pushing assembly structure |
-
2020
- 2020-03-13 CN CN202020312211.XU patent/CN211759989U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113428620A (en) * | 2021-07-23 | 2021-09-24 | 苏州华兴欧立通自动化科技有限公司 | High-precision overturning, positioning and side-pushing assembly structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201027 Termination date: 20210313 |
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| CF01 | Termination of patent right due to non-payment of annual fee |