CN210938255U - Pneumatic clamp - Google Patents
Pneumatic clamp Download PDFInfo
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- CN210938255U CN210938255U CN201921828011.3U CN201921828011U CN210938255U CN 210938255 U CN210938255 U CN 210938255U CN 201921828011 U CN201921828011 U CN 201921828011U CN 210938255 U CN210938255 U CN 210938255U
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- axial positioning
- supporting plate
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- workpiece
- positioning mechanism
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Abstract
The utility model provides a pneumatic clamp, including base, backup pad, XZ axial location portion one, XZ axial location portion two and Y axial positioning mechanism one, the backup pad is installed on the base, XZ axial location portion one and XZ axial location portion two are installed respectively on the work piece holding surface both sides of backup pad, Y axial positioning mechanism one is installed in the backup pad, the execution portion of Y axial positioning mechanism one is for the backup pad. The utility model discloses can reduce intensity of labour, shorten work piece clamping time and improve production efficiency.
Description
Technical Field
The utility model relates to a work piece processing field specifically is a pneumatic fixture.
Background
The through holes penetrating through two ends of a workpiece are often required to be machined through a numerical control machine tool in the workpiece production process, when the length of the workpiece exceeds the longest specification of a drill bit, the through holes cannot be machined by the numerical control machine tool at one time, the measures adopted at present are that a first step drilling process is firstly carried out on the upper end of the workpiece through the numerical control machine tool, then a handle of a vice is loosened manually to release the workpiece, then the workpiece is taken out and placed in the vice in a reversed mode, finally the workpiece is fixed for the second time through the handle of the manual locking vice so that the numerical control machine tool can carry out a second drilling process on the upper end of the workpiece, and finally the through holes penetrating through two ends of the workpiece are machined, wherein the defects existing: 1. the handle of the vice needs to be locked or loosened manually in the process of loading and unloading the workpiece, so that the labor intensity is high, and the workpiece clamping time is long; 2. the vice can not be repeated with work piece fixed to the same position, accomplishes the secondary after fixed when the work piece, needs the digit control machine tool to carry out the tool setting to the work piece again, and production efficiency reduces.
Disclosure of Invention
An object of the utility model is to provide a can reduce intensity of labour, shorten work piece clamping time and improve production efficiency's air jig to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a pneumatic clamp comprises a base, a supporting plate, a first XZ axial positioning portion, a second XZ axial positioning portion and a first Y axial positioning mechanism, wherein the supporting plate is installed on the base, the first XZ axial positioning portion and the second XZ axial positioning portion are installed on two sides of a workpiece supporting surface of the supporting plate respectively, the first Y axial positioning mechanism is installed on the supporting plate, and an executing portion of the first Y axial positioning mechanism is opposite to the supporting plate.
Furthermore, the first Y-axis positioning mechanism comprises a driving part and an executing part, the executing part is fixedly connected with the driving part, the executing part is opposite to the workpiece supporting surface of the supporting plate, the driving part is fixedly connected with the supporting plate, and the driving part drives the executing part to do linear motion along the Y-axis direction.
Further, the drive division is the cylinder, the cylinder is installed in backup pad work piece holding surface one side dorsad, offer the hole of dodging that is used for dodging the cylinder piston rod in the backup pad, the cylinder piston rod passes the hole of dodging, the execution part is installed on the drive end of cylinder, linear motion is to the cylinder drive execution part along the Y axial.
Furthermore, the first XZ axial positioning part and the second XZ axial positioning part are arranged on the workpiece supporting surface of the supporting plate at intervals along an oblique diagonal line.
Furthermore, the first XZ axial positioning part and the second XZ axial positioning part have the same structure, the first XZ axial positioning part comprises at least two positioning pins, and the at least two positioning pins are vertically arranged on the workpiece supporting surface of the supporting plate.
Further, at least two positioning pins are arranged in parallel at intervals along the Z-axis direction.
The Y-axis positioning mechanism II and the Y-axis positioning mechanism I are arranged in parallel at intervals along the Z axis, and the structure of the Y-axis positioning mechanism II is the same as that of the Y-axis positioning mechanism I.
The utility model has the advantages that:
the utility model discloses a base is fixed on the workstation of digit control machine tool, link up the process to the work piece both ends before, at first need fix a position the process to two work pieces, the process of location process is: 1. respectively matching the positioning parts of the two workpieces with the first XZ axial positioning part and the second XZ axial positioning part to limit the XZ axial displacement of the two workpieces; 2. pressing the two workpieces on the workpiece supporting surface of the supporting plate through the first Y-axis positioning mechanism to limit Y-axis displacement of the two workpieces, and completely positioning the two workpieces;
secondly, respectively performing a first drilling process on the upper ends of the two workpieces through a numerical control machine tool, loosening the two workpieces through the Y-axis positioning mechanism after the first drilling process is completed, and performing a positioning process again after taking out the two workpieces and reversing the heads and the tails of the two workpieces; and then, respectively carrying out a second-step drilling process on the upper ends of the two workpieces through a numerical control machine tool, finally realizing the through of the two ends of the two workpieces, loosening the two workpieces once again through the Y-axis positioning mechanism, and finally finishing a production cycle by taking the two workpieces out.
The utility model realizes that the fixing positions of two workpieces in the next production cycle are respectively the same as the fixing positions of two workpieces in the previous production cycle through the XZ axial positioning part I and the XZ axial positioning part II, and the numerical control machine tool only needs to carry out one-time tool setting process, thereby saving the subsequent multiple tool setting processes and improving the production efficiency; the two workpieces can be automatically clamped through the first Y-axis positioning mechanism, so that the labor intensity of workers is reduced, and the clamping time is greatly shortened; and the utility model discloses can once only two work pieces of clamping, increase of production.
Drawings
FIG. 1: a schematic perspective view of a pneumatic clamp.
Detailed Description
The invention is further explained below with reference to the drawings:
referring to fig. 1, a pneumatic clamp includes a base 1, a support plate 2, a first XZ axial positioning portion 3, a second XZ axial positioning portion 4, and a first Y axial positioning mechanism 5, where the support plate 2 is mounted on the base 1, the first XZ axial positioning portion 3 and the second XZ axial positioning portion 4 are respectively mounted on two sides of a workpiece support surface of the support plate 2, the first Y axial positioning mechanism 5 is mounted on the support plate 2, and an execution portion 52 of the first Y axial positioning mechanism 5 is opposite to the support plate 2.
Further, referring to fig. 1, the first Y-axis positioning mechanism 5 includes a driving portion 51 and an executing portion 52, the executing portion 52 is fixedly connected to the driving portion 51, the executing portion 52 is opposite to the workpiece supporting surface of the supporting plate 2, the driving portion 51 is fixedly connected to the supporting plate 2, and the driving portion 51 drives the executing portion 52 to move linearly along the Y-axis.
Further, the driving portion 51 is an air cylinder, the air cylinder is installed on one side, back to the workpiece supporting surface, of the supporting plate 2, an avoiding hole used for avoiding a piston rod of the air cylinder is formed in the supporting plate 2, the piston rod of the air cylinder penetrates through the avoiding hole, the executing portion 52 is installed on a driving end of the air cylinder, and the air cylinder drives the executing portion 52 to do linear motion along the Y axis.
Further, the actuator 52 is a long briquette.
Further, the base 1 is a bottom plate, the supporting plate 2 is vertically installed on the bottom plate, and at least one reinforcing rib plate is installed between the base 1 and the supporting plate 2.
Furthermore, when the positioning part of the workpiece is arranged at one end of the side face of the workpiece, the positioning part of the workpiece has directionality, the first XZ axial positioning part 3 and the second XZ axial positioning part 4 are arranged on the workpiece supporting face of the supporting plate 2 at intervals along an oblique diagonal line, the two workpieces are assembled on the first XZ axial positioning part 3 and the second XZ axial positioning part 4 in an end-to-end manner respectively, after the head end of the first workpiece and the tail end of the second workpiece complete the first drilling process, the positions of the first workpiece and the second workpiece need to be changed, and the head ends of the first workpiece and the tail ends of the second workpiece are reversed respectively, so that the numerical control machine tool can perform the second drilling process on the tail end of the first workpiece and the head end of the second workpiece, and finally complete the process that the two ends of the two workpieces.
Further, when the positioning part of the workpiece is arranged on the centered position of the side surface of the workpiece, the first XZ axial positioning part 3 and the second XZ axial positioning part 4 are symmetrically arranged on the workpiece supporting surface of the supporting plate 2, and the two workpieces are respectively assembled on the first XZ axial positioning part 3 and the second XZ axial positioning part 4 in the same direction end to end; after the head end of the first workpiece and the head end of the second workpiece complete the first drilling process, the head and the tail of the first workpiece and the tail of the second workpiece are respectively reversed, so that the numerical control machine can perform the second drilling process on the tail end of the first workpiece and the tail end of the second workpiece, and finally the process that the two ends of the two workpieces are communicated is completed.
Further, referring to fig. 1, the first XZ axial positioning portion 3 and the second XZ axial positioning portion 4 have the same structure, the first XZ axial positioning portion 3 includes at least two positioning pins 31, and the at least two positioning pins 31 are vertically installed on the workpiece supporting surface of the supporting plate 2. The positioning portions of the workpiece are at least two positioning holes fitted to the at least two positioning pins 31.
Further, referring to fig. 1, at least two positioning pins 31 are spaced and juxtaposed along the Z-axis.
Furthermore, the Y-axis positioning mechanism II is arranged in parallel with the Y-axis positioning mechanism I5 at intervals along the Z axis, and the structure of the Y-axis positioning mechanism II is the same as that of the Y-axis positioning mechanism I5. The two ends of the two workpieces are compressed through the Y-axis positioning mechanism II, the degree of fitting between the two workpieces and the supporting plate 2 can be improved, and the effect of improving the machining precision is achieved.
The utility model discloses a working process:
be equipped with a plurality of mounting holes on base 1, base 1 fixes on the workstation of digit control machine tool through a plurality of mounting holes, link up the process to work piece both ends before, at first need fix a position the process to two work pieces, the process of location process is: 1. the positioning parts of the two workpieces are respectively matched with the first XZ axial positioning part 3 and the second XZ axial positioning part 4 to limit the XZ axial displacement of the two workpieces; 2. two workpieces are pressed on the workpiece supporting surface of the supporting plate 2 through a first Y-axis positioning mechanism 5 to limit Y-axis displacement of the two workpieces, and the two workpieces are completely positioned;
secondly, respectively performing a first drilling process on the upper ends of the two workpieces through a numerical control machine tool, loosening the two workpieces through a first Y-axis positioning mechanism 5 after the first drilling process is completed, and performing a positioning process again after taking out the two workpieces and reversing the head and the tail of the two workpieces; and then, respectively carrying out a second-step drilling process on the upper ends of the two workpieces through a numerical control machine tool, finally realizing the through of the two ends of the two workpieces, loosening the two workpieces again through the Y-axis positioning mechanism I5, and finally taking out the two workpieces to finish a production cycle.
The utility model realizes that the fixed positions of two workpieces in the next production cycle are respectively the same as the fixed positions of two workpieces in the previous production cycle through the XZ axial positioning part I3 and the XZ axial positioning part II 4, the numerical control machine tool only needs to carry out a tool setting procedure for recording the coordinate positions of the two workpieces, and the coordinate positions of the two workpieces in the later production cycle are unchanged, so that the subsequent tool setting procedures for multiple times are saved, and the production efficiency is improved; the two workpieces can be automatically clamped through the Y-axis positioning mechanism I5, so that the labor intensity of workers is reduced, and the clamping time is greatly shortened; and the utility model discloses can once only two work pieces of clamping, increase of production.
The above is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are all within the scope of the technical solution of the present invention.
Claims (7)
1. A pneumatic clamp is characterized in that: the X-axis positioning device comprises a base, a supporting plate, a first XZ axial positioning part, a second XZ axial positioning part and a first Y axial positioning mechanism, wherein the supporting plate is installed on the base, the first XZ axial positioning part and the second XZ axial positioning part are respectively installed on two sides of a workpiece supporting surface of the supporting plate, the first Y axial positioning mechanism is installed on the supporting plate, and an executing part of the first Y axial positioning mechanism is opposite to the supporting plate.
2. A pneumatic clamp according to claim 1, wherein: the first Y-axis positioning mechanism comprises a driving part and an executing part, the executing part is fixedly connected with the driving part, the executing part is opposite to the workpiece supporting surface of the supporting plate, the driving part is fixedly connected with the supporting plate, and the driving part drives the executing part to do linear motion along the Y axis.
3. A pneumatic clamp according to claim 2, wherein: the driving part is an air cylinder, the air cylinder is installed on one side, back to the workpiece supporting surface, of the supporting plate, an avoiding hole used for avoiding an air cylinder piston rod is formed in the supporting plate, the air cylinder piston rod penetrates through the avoiding hole, the executing part is installed on the driving end of the air cylinder, and the air cylinder drives the executing part to do linear motion along the Y axis.
4. A pneumatic clamp according to claim 1, wherein: and the first XZ axial positioning part and the second XZ axial positioning part are arranged on the workpiece supporting surface of the supporting plate at intervals along an oblique diagonal line.
5. A pneumatic clamp according to claim 1, wherein: the first XZ axial positioning part and the second XZ axial positioning part are identical in structure, the first XZ axial positioning part comprises at least two positioning pins, and the at least two positioning pins are vertically arranged on the workpiece supporting surface of the supporting plate.
6. A pneumatic clamp according to claim 5, wherein: at least two positioning pins are arranged in parallel at intervals along the Z-axis direction.
7. A pneumatic clamp according to claim 1, wherein: the Y-axis positioning mechanism II and the Y-axis positioning mechanism I are arranged in parallel at intervals along the Z axis, and the structure of the Y-axis positioning mechanism II is the same as that of the Y-axis positioning mechanism I.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921828011.3U CN210938255U (en) | 2019-10-29 | 2019-10-29 | Pneumatic clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921828011.3U CN210938255U (en) | 2019-10-29 | 2019-10-29 | Pneumatic clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210938255U true CN210938255U (en) | 2020-07-07 |
Family
ID=71389612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921828011.3U Active CN210938255U (en) | 2019-10-29 | 2019-10-29 | Pneumatic clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210938255U (en) |
-
2019
- 2019-10-29 CN CN201921828011.3U patent/CN210938255U/en active Active
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