CN220740870U - Small-size adjustable pneumatic positioning fixture - Google Patents
Small-size adjustable pneumatic positioning fixture Download PDFInfo
- Publication number
- CN220740870U CN220740870U CN202322453688.6U CN202322453688U CN220740870U CN 220740870 U CN220740870 U CN 220740870U CN 202322453688 U CN202322453688 U CN 202322453688U CN 220740870 U CN220740870 U CN 220740870U
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- connecting rod
- rod
- pressure
- bottom plate
- adjustable pneumatic
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- 230000000694 effects Effects 0.000 abstract description 6
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 210000005069 ears Anatomy 0.000 description 8
- 230000009471 action Effects 0.000 description 7
- 230000000149 penetrating effect Effects 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a small adjustable pneumatic positioning clamp, which relates to the technical field of clamps and comprises a bottom plate, wherein a connecting rod support is fixed on the upper surface of the bottom plate, an extension rod is hinged on the connecting rod support, one end of the extension rod, which is far away from the connecting rod support, is connected with a pressure rod for pressing a workpiece, the pressure rod is connected with the extension rod through a mounting piece for adjusting the length of the pressure rod, a control piece for controlling the rotation of the connecting rod support is also arranged on the bottom plate, the small adjustable pneumatic positioning clamp is powered by the control piece, the extension rod is driven to rotate around the joint of the connecting rod support and the extension rod through the control piece, the rotation of the extension rod can drive the rotation of the pressure rod so as to facilitate the compression of the workpiece by the pressure rod, and meanwhile, the position of the pressure rod is adjusted through the effect of the mounting piece so as to be suitable for workpieces with different sizes, and the utilization rate of the device is improved.
Description
Technical Field
The utility model relates to the technical field of clamps, in particular to a small adjustable pneumatic positioning clamp.
Background
The fixture is used to fix the machining object in the correct position during the machining process to accept the construction or detection. In a broad sense, any device used to quickly, conveniently and safely mount a workpiece at any stage in the process may be referred to as a fixture.
The fixture is generally composed of a positioning element (determining the correct position of the workpiece in the fixture), a clamping device, a tool setting guide element (determining the relative position of the tool and the workpiece or guiding the tool direction), an indexing device (enabling the workpiece to finish the machining of a plurality of stations in one installation, including a rotary indexing device and a linear movement indexing device), a connecting element, a fixture body (fixture base) and the like.
The pneumatic clamp takes compressed air as a power source, converts air pressure into mechanical energy through an air cylinder fixed on the base, and pushes a connecting rod mechanism at the front end to rotate to be matched with a compacting device so as to realize the effects of pattern positioning and clamping;
however, most existing cylinder connecting rod positioning and pressing mechanisms are clamping mechanisms designed for specific sizes, and the universality is poor.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a small adjustable pneumatic positioning clamp which comprises a bottom plate, wherein a connecting rod support is fixed on the upper surface of the bottom plate, an extending rod is hinged on the connecting rod support, one end of the extending rod, which is far away from the connecting rod support, is connected with a pressure rod for pressing a workpiece, the pressure rod is connected with the extending rod through a mounting piece for adjusting the length of the pressure rod, and a control piece for controlling the connecting rod support to rotate is further arranged on the bottom plate.
In order to achieve the above purpose, the control piece is used for providing power, the control piece is used for driving the extending rod to rotate around the connecting rod support and the connecting part of the extending rod, the extending rod is rotated to drive the pressure rod to rotate so that the pressure rod compresses the workpiece, and meanwhile, the position of the pressure rod is adjusted through the action of the mounting piece so as to be suitable for workpieces with different sizes, the utilization rate of the device is improved, and the universality is improved.
Further, the thread groove has been seted up to pressure pole circumference outer wall, the installed part is including seting up the cylindricality groove that the pole kept away from connecting rod support one end that stretches out, the both ends of pressure pole are all worn to establish the pole that stretches out through the cylindricality groove and slide with the pole that stretches out and be connected, the pressure pole overcoat is equipped with two with pressure pole threaded connection's A nut, two the A nut sets up relatively and sets up respectively at the upper and lower both ends that stretch out the pole.
Through above-mentioned technical scheme, extend the length of stretching out the pole through the cylindrical groove in order to adjust the pressure pole to be applicable to not unidimensional work piece, through setting up two A nuts, two A nuts move when pivoted on the pressure pole, fix a position the pressure pole when pressing from both sides tight stretching out the pole, so that pressure pole and stretching out pole fixed connection.
Further, a contact head which is contacted with the workpiece is fixed at one end of the pressure rod, which is close to the workpiece, and the contact head has elasticity.
Through above-mentioned technical scheme, through contact head and work piece contact, reduce the work piece of pressure pole fish tail, play the guard action to the work piece.
Further, the control piece is including setting up the cylinder body in the bottom plate top, the extension end of cylinder body is fixed with the ears connecting block, articulated on the ears connecting block be connected with two short connecting rods of relative setting, two the one end that the ears connecting block was kept away from to the short connecting rod all is articulated with the extension pole to be connected, and is individual the one side that the short connecting rod deviates from the ears connecting block is articulated to be connected with long connecting rod, the one end that the short connecting rod was kept away from to long connecting rod is articulated to be connected with the connecting rod support.
Through above-mentioned technical scheme, provide power through the cylinder body to drive the short connecting rod and rotate, the rotation of short connecting rod can drive the extension rod that is connected with the short connecting rod is articulated to rotate, and then drives the pressure pole and compress tightly the work piece, carries out spacingly to the rotation of short connecting rod through long connecting rod.
Further, a cylinder bracket for supporting the cylinder body is fixed on the bottom plate and is hinged with the cylinder body, and the cylinder bracket is positioned beside the connecting rod bracket.
Through above-mentioned technical scheme, support the location through the effect of cylinder support to the cylinder.
Further, a thread groove is formed in the connecting rod support, a screw is arranged in the thread groove in a penetrating mode through threads, and two B nuts which are in interference with the side wall of the connecting rod support are sleeved on the screw through threads.
Through above-mentioned technical scheme, when the device is used for compressing tightly fragile work piece, through setting up screw and B nut, carry out mechanical limit to long connecting rod, and then carry out mechanical limit to extension rod and pressure bar, reduce the possibility that the pressure bar crushed the work piece.
Further, one end of the screw penetrating out of the connecting rods is nested with a rubber ring, and the rubber ring is abutted against the long connecting rods.
Through above-mentioned technical scheme, through the effect of rubber circle, reduce the damage that long connecting rod and screw direct impact produced.
In summary, the small adjustable pneumatic positioning clamp has the following beneficial effects:
(1) This small-size adjustable pneumatic positioning fixture provides power through the control, drives the extension rod through the control and rotates round connecting rod support and extension rod junction, and the rotation of extension rod can drive the rotation of pressure pole to the pressure pole compresses tightly the work piece, simultaneously adjusts the position of pressure pole through the effect of installed part, in order to be applicable to the work piece of equidimension not, has improved the utilization ratio of device, and the commonality obtains improving.
(2) This small-size adjustable pneumatic positioning fixture, when the device was used for compressing tightly fragile work piece, through setting up screw and B nut, carries out mechanical limit to long connecting rod, and then carries out mechanical limit to extension rod and pressure bar, reduces the possibility that the pressure bar crushed the work piece.
Drawings
The utility model is further described and illustrated below with reference to the accompanying drawings.
FIG. 1 is a schematic overall construction of a preferred embodiment of the present utility model;
FIG. 2 is a schematic view of the structure of the present utility model for embodying an A nut;
FIG. 3 is a schematic view of a structure for embodying a screw of the present utility model;
fig. 4 is a schematic top view of the present utility model.
Reference numerals: 1. a bottom plate; 2. a connecting rod bracket; 3. an extension rod; 4. a pressure rod; 5. a nut A; 6. a contact; 7. a cylinder body; 8. a binaural connecting block; 9. a short connecting rod; 10. a long connecting rod; 11. a cylinder bracket; 12. a thread groove; 13. a screw; 14. a B nut; 15. a rubber ring; 16. and (5) clamping springs.
Detailed Description
The technical solution of the present utility model will be more clearly and completely explained by the description of the preferred embodiments of the present utility model with reference to the accompanying drawings.
Embodiment one: referring to fig. 1, 2 and 4, in the embodiment of the utility model, a small adjustable pneumatic positioning fixture comprises a bottom plate 1 fixed on a workbench, a connecting rod support 2 is fixed on the upper surface of the bottom plate 1 through a bolt, an extension rod 3 is hinged on the connecting rod support 2 through a rotating shaft with a clamp spring groove, one end of the extension rod 3 far away from the connecting rod support 2 is connected with a pressure rod 4 for pressing a workpiece, the pressure rod 4 is connected with the extension rod 3 through a mounting piece for adjusting the length of the pressure rod 4, a control piece for controlling the rotation of the connecting rod support 2 is further arranged on the bottom plate 1, power is provided by the control piece, the extension rod 3 is driven to rotate around the joint of the connecting rod support 2 and the extension rod 3 through the control piece, the rotation of the extension rod 3 can drive the pressure rod 4 to press the workpiece, and meanwhile, the position of the pressure rod 4 is adjusted through the effect of the mounting piece, so that the device is suitable for workpieces with different sizes, and the utilization rate of the device is improved.
Fig. 1 and 2, the screw thread groove 12 has been seted up to pressure pole 4 circumference outer wall, the mounting is including seting up the cylindricality groove that the pole 3 kept away from connecting rod support 2 one end that stretches out, the both ends of pressure pole 4 are all worn to establish through the cylindricality groove and are stretched out pole 3 and slide with stretching out pole 3 and be connected, pressure pole 4 overcoat is equipped with two and pressure pole 4 threaded connection's A nut 5, two A nuts 5 set up relatively and set up respectively at the upper and lower both ends that stretch out pole 3, extend the length that stretches out pole 3 through the cylindricality groove so that adjust pressure pole 4, in order to be applicable to the unidimensional work piece, through setting up two A nuts 5, two A nuts 5 move when rotating on pressure pole 4, press from both sides tight pressure pole 4 location when stretching out pole 3, in order that pressure pole 4 and stretching out pole 3 fixed connection.
In fig. 1 and 2, in order to reduce the scratch of the workpiece when the pressure rod 4 presses the workpiece, one end of the pressure rod 4 close to the workpiece is fixed with a contact head 6 contacted with the workpiece, the contact head 6 has elasticity, and the contact head 6 contacts with the workpiece to reduce the scratch of the workpiece by the pressure rod 4, so that the workpiece is protected.
Fig. 1 and 2, the control piece is including setting up the cylinder body 7 in bottom plate 1 top, the extension end of cylinder body 7 is fixed with ears connecting block 8, ears connecting block 8 is articulated to be connected with two short connecting rods 9 of relative setting through taking jump ring groove pivot, two short connecting rods 9 are kept away from the one end of ears connecting block 8 and are all articulated to be connected through taking jump ring groove pivot with the extension pole, one side that each short connecting rod 9 deviates from ears connecting block 8 is articulated to be connected with long connecting rod 10 through taking jump ring groove pivot, the one end that short connecting rod 9 was kept away from to long connecting rod 10 is articulated to be connected through taking jump ring groove pivot with connecting rod support 2, provide power through cylinder body 7, in order to drive short connecting rod 9 and rotate, the rotation of short connecting rod 9 can drive the extension pole that is articulated to be connected with short connecting rod 9 and rotate, and then drive pressure bar 4 compress tightly the work piece, carry out spacingly through long connecting rod 10 to the rotation of short connecting rod 9.
In fig. 1, 2 and 3, a cylinder bracket 11 for supporting the cylinder body 7 is fixed on the bottom plate 1, the cylinder bracket 11 is hinged with the cylinder body 7, the cylinder bracket 11 is positioned beside the connecting rod bracket 2, and the cylinder is supported and positioned through the action of the cylinder bracket 11.
The snap springs are arranged on the rotating shafts with the snap spring grooves in the figures 1, 2 and 3 so as to limit the rotating shafts with the snap spring grooves.
When the pressure rod is used, a power supply is turned on, a switch is turned on, a workpiece is placed on the upper surface of the bottom plate 1, the length of the extension rod penetrating through the pressure rod 4 is adjusted according to the size of the workpiece, so that the pressure rod 4 is applicable to workpieces with different sizes, then the two A nuts 5 are manually rotated, and the two A nuts 5 move in the rotating process until the two A nuts 5 clamp the extension rod and fix the pressure rod 4;
and then, the air cylinder is opened, the air cylinder drives the double-lug connecting block 8 to extend, the short connecting rod 9 is driven to rotate, the short connecting rod 9 rotates to drive the extension rod hinged with the short connecting rod 9 to rotate around the joint of the extension rod and the connecting rod bracket 2, the rotation of the short connecting rod 9 and the extension rod is limited through the action of the long connecting rod 10, the rotation of the extension rod drives the pressure rod 4 fixed with the extension rod to rotate, and the pressure rod 4 rotates to collide with a workpiece and fix the workpiece.
Embodiment two: referring to fig. 3, a threaded groove 12 is formed in the connecting rod support 2, a screw 13 is threaded in the threaded groove 12, and two nuts 14 abutting against the side wall of the connecting rod support 2 are sleeved on the screw 13.
When the device is used for compacting fragile workpieces, as shown in fig. 3, the long connecting rod 10 is mechanically limited by arranging the screw 13 and the nut B14, and then the extension rod and the pressure rod 4 are mechanically limited, so that the possibility that the pressure rod 4 crushes the workpieces is reduced.
As shown in fig. 3, a rubber ring 15 is nested at one end of the screw 13 penetrating out of the connecting rods, the rubber ring 15 is abutted against the long connecting rod 10, and damage caused by direct impact between the long connecting rod 10 and the screw 13 is reduced through the action of the rubber ring 15.
As shown in fig. 3, when the fragile workpiece needs to be clamped, a worker wears the screw 13 through the threaded hole in the connecting rod support 2, adjusts the length of the screw 13 which is worn out of the connecting rod support 2 so as to limit the long connecting rod 10, and fixes the screw 13 and the connecting rod support 2 through the nut B14, then opens the air cylinder, drives the double-lug connecting block 8 to stretch through the action of the air cylinder, and then drives the short connecting rod 9 to rotate, the rotation of the short connecting rod 9 can drive the extension rod hinged with the short connecting rod 9 to rotate around the connection part of the extension rod and the connecting rod support 2, the rotation of the extension rod can drive the pressure rod 4 fixed with the extension rod to rotate, the pressure rod 4 rotates to abut against the workpiece and fix the workpiece, and meanwhile, the rotation of the short connecting rod 9 can drive the long connecting rod 10 connected with the exercise dry hinge to rotate, and limit the rotation of the short connecting rod 9 and the extension rod through the action of the long connecting rod 10, when the long connecting rod 10 rotates to abut against the screw 13, the extension rod and the pressure rod 4 are mechanically limited, and the possibility of crushing the workpiece by the pressure rod 4 is reduced.
The above detailed description is merely illustrative of the preferred embodiments of the present utility model and is not intended to limit the scope of the present utility model. Various modifications, substitutions and improvements of the technical scheme of the present utility model will be apparent to those skilled in the art from the description and drawings provided herein without departing from the spirit and scope of the utility model. The scope of the utility model is defined by the claims.
Claims (7)
1. The utility model provides a small-size adjustable pneumatic positioning fixture, its characterized in that, includes bottom plate (1), fixed surface has connecting rod support (2) on bottom plate (1), articulated on connecting rod support (2) are connected with and stretch out pole (3), the one end that stretches out pole (3) and keep away from connecting rod support (2) is connected with pressure bar (4) that compress tightly the work piece, pressure bar (4) are connected through the installed part of adjustment pressure bar (4) length with stretching out pole (3), still be equipped with control connecting rod support (2) pivoted control on bottom plate (1).
2. The small-sized adjustable pneumatic positioning clamp according to claim 1, wherein the outer wall of the circumference of the pressure rod (4) is provided with a thread groove (12), the mounting piece comprises a cylindrical groove formed in one end of the extending rod (3) far away from the connecting rod bracket (2), both ends of the pressure rod (4) penetrate through the cylindrical groove to be connected with the extending rod (3) in a sliding manner, two A nuts (5) in threaded connection with the pressure rod (4) are sleeved outside the pressure rod (4), and the two A nuts (5) are oppositely arranged and are respectively arranged at the upper end and the lower end of the extending rod (3).
3. A small adjustable pneumatic positioning clamp according to claim 1, characterized in that the end of the pressure rod (4) near the workpiece is fixed with a contact head (6) contacting the workpiece, the contact head (6) having elasticity.
4. The small-sized adjustable pneumatic positioning fixture according to claim 1, wherein the control member comprises a cylinder body (7) arranged above the bottom plate (1), a double-lug connecting block (8) is fixed at the extension end of the cylinder body (7), two oppositely arranged short connecting rods (9) are hinged to the double-lug connecting block (8), one ends of the two short connecting rods (9) far away from the double-lug connecting block (8) are hinged to the extension rod, one side of each short connecting rod (9) far away from the double-lug connecting block (8) is hinged to a long connecting rod (10), and one end of the long connecting rod (10) far away from the short connecting rod (9) is hinged to the connecting rod support (2).
5. The small adjustable pneumatic positioning clamp according to claim 4, wherein a cylinder bracket (11) for supporting the cylinder body (7) is fixed on the bottom plate (1), the cylinder bracket (11) is hinged with the cylinder body (7), and the cylinder bracket (11) is located beside the connecting rod bracket (2).
6. The small-sized adjustable pneumatic positioning clamp according to claim 1, wherein the connecting rod support (2) is provided with a thread groove (12), a screw (13) is threaded in the thread groove (12), and two B nuts (14) which are abutted against the side wall of the connecting rod support (2) are sleeved on the screw (13) through threads.
7. A small adjustable pneumatic positioning clamp according to claim 6, characterized in that a rubber ring (15) is nested at one end of the screw (13) passing out between the connecting rods, and the rubber ring (15) is abutted against the long connecting rod (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322453688.6U CN220740870U (en) | 2023-09-08 | 2023-09-08 | Small-size adjustable pneumatic positioning fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322453688.6U CN220740870U (en) | 2023-09-08 | 2023-09-08 | Small-size adjustable pneumatic positioning fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220740870U true CN220740870U (en) | 2024-04-09 |
Family
ID=90563334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322453688.6U Active CN220740870U (en) | 2023-09-08 | 2023-09-08 | Small-size adjustable pneumatic positioning fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220740870U (en) |
-
2023
- 2023-09-08 CN CN202322453688.6U patent/CN220740870U/en active Active
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