CN209830988U - Workpiece positioning and pressing mechanism - Google Patents
Workpiece positioning and pressing mechanism Download PDFInfo
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- CN209830988U CN209830988U CN201920123339.9U CN201920123339U CN209830988U CN 209830988 U CN209830988 U CN 209830988U CN 201920123339 U CN201920123339 U CN 201920123339U CN 209830988 U CN209830988 U CN 209830988U
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Abstract
The utility model discloses a workpiece positioning and pressing mechanism, which comprises a base, a mechanism main body, a cylinder, a positioning component, a first connecting block, a second connecting block, a third connecting block and a pressing component; the mechanism comprises a mechanism body, a base, a cylinder, a positioning component, a workpiece positioning structure and a positioning component, wherein the mechanism body is arranged on the base, one end of the mechanism body is fixedly provided with the cylinder, the other end of the mechanism body is provided with the positioning component, the positioning component penetrates through the mechanism body, the rear end of the positioning component is connected with a piston rod of the cylinder, and the front end of the positioning component is provided with the workpiece positioning structure; one end of the first connecting block is fixedly connected to the mechanism main body, the other end of the first connecting block is hinged to one end of the second connecting block, the other end of the second connecting block is hinged to the middle of the pressing part, one end of the pressing part forms a workpiece clamping structure, and the other end of the pressing part is hinged to one end of the third connecting block; the other end is fixedly arranged on the side surface of the positioning component. The mechanism has the functions of workpiece positioning and workpiece pressing, the working efficiency is improved, and the manufacturing cost of the clamp is reduced.
Description
Technical Field
The utility model relates to a work piece processing technology field, especially a work piece location hold-down mechanism.
Background
When a workpiece is machined, in order to ensure the machining accuracy, the workpiece needs to occupy a correct position on a machine tool relative to a cutter, and the process is positioning; clamping the workpiece means that a force is applied to the workpiece to reliably clamp the workpiece in a predetermined position, and the process is clamping.
However, the existing domestic tool fixtures all adopt a mechanism for separating workpiece positioning from workpiece pressing, so that at least two structures and two cylinders are required for positioning one workpiece. Like this, work piece location and work piece compress tightly divided mechanism occupation space bigger, are unfavorable for the rational utilization in anchor clamps space, and the dress process is loaded down with trivial details, and the cylinder that uses is many, has increased anchor clamps cost of manufacture.
Disclosure of Invention
The utility model discloses be exactly to the function that current anchor clamps can't possess work piece location and work piece simultaneously and compress tightly to increased the problem of anchor clamps cost of manufacture, and provided a work piece location hold-down mechanism.
In order to achieve the above purpose, the technical scheme of the utility model is as follows: a workpiece positioning and pressing mechanism comprises a base, a mechanism body, a cylinder, a positioning component, a first connecting block, a second connecting block, a third connecting block and a pressing component; the mechanism body is arranged on the base, one end of the mechanism body is fixedly provided with an air cylinder, the other end of the mechanism body is provided with a positioning component, the positioning component penetrates through the mechanism body, the rear end of the positioning component is connected with a piston rod of the air cylinder, and a workpiece positioning structure is formed at the front end of the positioning component; the first connecting block is fixedly connected to the mechanism main body through one end of the first connecting block, the other end of the first connecting block is hinged to one end of the second connecting block, the other end of the second connecting block is hinged to the middle of the pressing part, one end of the pressing part forms a workpiece clamping structure, and the other end of the pressing part is hinged to one end of the third connecting block; the third connecting block is L-shaped, and the other end of the third connecting block is fixedly arranged on the side surface of the positioning component.
Adopt above-mentioned scheme, the utility model discloses utilize the ingenious connection of cylinder and mechanism main part and three connecting block, realize the business turn over action of simultaneous control positioning element and the purpose that compresses tightly the action of part. When a workpiece needs to be clamped, a piston rod of the air cylinder is pushed forwards, so that the positioning component moves forwards and drives the third connecting block to move, the third connecting block forces the pressing component to move towards the workpiece until the pressing component is pressed on the workpiece, and the positioning component and the pressing component position and press the workpiece. In a similar way, when the workpiece needs to be loosened, the piston rod of the air cylinder moves backwards, so that the positioning component moves backwards, and meanwhile, the pressing component is loosened forwards under the matched action of the three connecting blocks to be away from the workpiece. The workpiece positioning and pressing mechanism of the utility model can greatly shorten the assembling time of workers and improve the working efficiency; the structure can save one mechanism and one cylinder, reduce the manufacturing cost of the clamp, correspondingly reduce the energy consumption due to the reduction of the use of the cylinder in the pneumatic opening and pressing process of the clamp, and also achieve the purpose of energy conservation. The workpiece positioning structure and the workpiece clamping structure are preferably V-shaped or semicircular to form a centering structure.
Furthermore, the positioning component is connected with the cylinder piston rod through a matching structure of a T-shaped groove and a T-shaped head, and the T-shaped groove is formed in the positioning component. The matching structure of the T-shaped groove and the T-shaped head can play a role in limiting, so that the piston rod and the positioning component are not easy to disengage in the moving process of the piston rod.
Further, the first connecting block is positioned on one side of the positioning component; and a sliding groove for avoiding the first connecting block is formed on the second connecting block. Therefore, the workpiece positioning and pressing mechanism can better move in a matching manner among the three connecting blocks in the working process so as to complete the positioning and pressing of the workpiece.
Further, the mechanism main body is in a channel steel shape, and the connecting part of the positioning part and the cylinder piston rod is located in a groove of the channel steel. The mechanism main part is the channel-section steel shape, can be so that the position that the piston rod of cylinder is connected with the locating component is located the recess of channel-section steel to save space.
Furthermore, the air cylinder is a thin air cylinder, has the advantages of compact structure, light weight, small occupied space and the like, and can be directly arranged on the clamp without installing accessories.
Has the advantages that:
the utility model provides a work piece location hold-down mechanism utilizes the ingenious connection of cylinder and mechanism main part and three connecting block when using, and the business turn over action that can the simultaneous control positioning element and the action that compresses tightly the part, workman only need put the work piece on positioning element at dress piece in-process, then ventilate for the cylinder and can accomplish the location of work piece and compress tightly. The workpiece positioning and pressing mechanism of the utility model can greatly shorten the assembling time of workers and improve the working efficiency; the structure can save one mechanism and one cylinder, reduce the manufacturing cost of the clamp, correspondingly reduce the energy consumption due to the reduction of the use of the cylinder in the pneumatic opening and pressing process of the clamp, and also achieve the purpose of energy conservation.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a top view of the present invention;
labeled as: the mechanism comprises a base 1, a mechanism body 2, a cylinder 3, a positioning component 4, a first connecting block 5, a second connecting block 6, a third connecting block 7, a pressing component 8 and a workpiece 9.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
As shown in fig. 1-2: the utility model provides a workpiece positioning and pressing mechanism, which comprises a base 1, a mechanism main body 2, a cylinder 3, a positioning part 4, a first connecting block 5, a second connecting block 6, a third connecting block 7 and a pressing part 8; the mechanism body 2 is arranged on the base 1, one end of the mechanism body 2 is fixedly provided with an air cylinder 3, the other end of the mechanism body is provided with a positioning component 4, the positioning component 4 penetrates through the mechanism body 2, the rear end of the positioning component 4 is connected with a piston rod of the air cylinder 3, and a workpiece positioning structure is formed at the front end of the positioning component 4; the first connecting block 5 is fixedly connected to the mechanism main body 2 through one end, the other end of the first connecting block is hinged to one end of the second connecting block 6, the other end of the second connecting block 6 is hinged to the middle of the pressing component 8, one end of the pressing component 8 forms a workpiece clamping structure, and the other end of the pressing component 8 is hinged to one end of the third connecting block 7; the third connecting block 7 is L-shaped, and the third connecting block 7 is fixedly arranged on the side surface of the positioning component 4 through the other end of the third connecting block; and the workpiece positioning structure and the workpiece clamping structure are semicircular.
Adopt above-mentioned scheme, the utility model discloses utilize the ingenious connection of cylinder 3 and mechanism main part 2 and three connecting block, realize the business turn over action of simultaneous control positioning component 4 and the purpose that compresses tightly the action of part 8. When a workpiece 9 needs to be clamped, a piston rod of the air cylinder 3 is pushed forward, so that the positioning component 4 moves forward and drives the third connecting block 7 to move, the third connecting block 7 forces the pressing component 8 to move towards the workpiece 9 until the pressing component 8 presses against the workpiece 9, and the positioning component 4 and the pressing component 8 position and press the workpiece 9. In a similar way, when the workpiece 9 needs to be loosened, the piston rod of the air cylinder 3 moves backwards, so that the positioning component 4 moves backwards, and meanwhile, the pressing component 8 is loosened forwards under the matched action of the three connecting blocks and is far away from the workpiece 9. The workpiece positioning and pressing mechanism of the utility model can greatly shorten the assembling time of workers and improve the working efficiency; the structure can save one mechanism and one cylinder, reduce the manufacturing cost of the clamp, correspondingly reduce the energy consumption due to the reduction of the use of the cylinder in the pneumatic opening and pressing process of the clamp, and also achieve the purpose of energy conservation.
The positioning component 4 and the piston rod of the air cylinder 3 are connected through a T-shaped groove and a T-shaped head matching structure, and the T-shaped groove is formed in the positioning component 4. The matching structure of the T-shaped groove and the T-shaped head can play a role in limiting, so that the piston rod and the positioning component are not easy to disengage in the moving process of the piston rod.
Wherein, the first connecting block 5 is positioned at one side of the positioning component 4; the second connecting block 6 is provided with a sliding groove for avoiding the first connecting block 5, and meanwhile, the bottom of the sliding groove also forms a support for the first connecting block 5. Therefore, the workpiece positioning and pressing mechanism can better move in a matching manner among the three connecting blocks in the working process so as to complete the positioning and pressing of the workpiece.
The mechanism body 2 is in a channel steel shape, and the connecting part of the positioning part 4 and the piston rod of the air cylinder 3 is positioned in a groove of the channel steel. The mechanism main part is the channel-section steel shape, can be so that the position that the piston rod of cylinder is connected with the locating component is located the recess of channel-section steel to save space.
The cylinder 3 is a thin cylinder, has the advantages of compact structure, light weight, small occupied space and the like, and can be directly arranged on the clamp without mounting accessories.
In the embodiment, the workpiece positioning structure and the workpiece clamping structure can also adopt V shapes instead of semi-circles.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the technical scope of the present invention, and the technical scope of the present invention is also considered to fall into the scope of the claims.
Claims (5)
1. A workpiece positioning and pressing mechanism is characterized by comprising a base (1), a mechanism main body (2), a cylinder (3), a positioning component (4), a first connecting block (5), a second connecting block (6), a third connecting block (7) and a pressing component (8); the mechanism body (2) is arranged on the base (1), one end of the mechanism body (2) is fixedly provided with a cylinder (3), the other end of the mechanism body is provided with a positioning component (4), the positioning component (4) penetrates through the mechanism body (2), the rear end of the positioning component (4) is connected with a piston rod of the cylinder (3), and the front end of the positioning component (4) is provided with a workpiece positioning structure; the first connecting block (5) is fixedly connected to the mechanism main body (2) through one end, the other end of the first connecting block is hinged to one end of the second connecting block (6), the other end of the second connecting block (6) is hinged to the middle of the pressing component (8), one end of the pressing component (8) forms a workpiece clamping structure, and the other end of the pressing component (8) is hinged to one end of the third connecting block (7); the third connecting block (7) is L-shaped, and the third connecting block (7) is fixedly arranged on the side surface of the positioning component (4) through the other end of the third connecting block.
2. The workpiece positioning and pressing mechanism according to claim 1, wherein the positioning part (4) is connected with the piston rod of the cylinder (3) through a T-shaped groove and a T-shaped head matching structure, and the T-shaped groove is formed on the positioning part (4).
3. The workpiece positioning and pressing mechanism according to claim 1, wherein the first connecting block (5) is located on the side of the positioning part (4); and a sliding groove for avoiding the first connecting block (5) is formed on the second connecting block (6).
4. The workpiece positioning and pressing mechanism according to claim 1, wherein the mechanism body (2) is channel-shaped; and the connecting part of the positioning component (4) and the piston rod of the cylinder (3) is positioned in the groove of the channel steel.
5. The workpiece positioning and pressing mechanism according to claim 1, wherein the cylinder (3) is a thin cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920123339.9U CN209830988U (en) | 2019-01-24 | 2019-01-24 | Workpiece positioning and pressing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920123339.9U CN209830988U (en) | 2019-01-24 | 2019-01-24 | Workpiece positioning and pressing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209830988U true CN209830988U (en) | 2019-12-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920123339.9U Active CN209830988U (en) | 2019-01-24 | 2019-01-24 | Workpiece positioning and pressing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209830988U (en) |
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2019
- 2019-01-24 CN CN201920123339.9U patent/CN209830988U/en active Active
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