CN220994216U - Automatic positioning fixture and processing equipment - Google Patents
Automatic positioning fixture and processing equipment Download PDFInfo
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- CN220994216U CN220994216U CN202322577303.7U CN202322577303U CN220994216U CN 220994216 U CN220994216 U CN 220994216U CN 202322577303 U CN202322577303 U CN 202322577303U CN 220994216 U CN220994216 U CN 220994216U
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- 238000003754 machining Methods 0.000 claims 1
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Abstract
The utility model discloses an automatic positioning clamp and processing equipment, wherein the automatic positioning clamp comprises a clamp seat, a first clamping mechanism and a second clamping mechanism, wherein the clamp seat is used for placing a workpiece, the first clamping mechanism comprises two first clamping pieces which are arranged at intervals along the X-axis direction, and a first driving assembly which drives the first clamping pieces to move relatively so as to clamp two opposite side surfaces of the workpiece; the second clamping mechanism comprises two second clamping pieces and a second driving assembly, the two second clamping pieces are arranged at intervals along the Y-axis direction, and the second driving assembly drives the two second clamping pieces to move relatively so as to clamp the other two opposite side surfaces of the workpiece. The first driving assembly and the second driving assembly can adopt a pneumatic or electric driving mode, after the workpiece is placed on the clamp seat, the first clamping mechanism and the second clamping mechanism automatically clamp four sides of the workpiece, and the installation positions of the first clamping mechanism and the second clamping mechanism are not required to be adjusted, so that the clamping fixture is applicable to workpieces with different sizes.
Description
Technical Field
The utility model relates to the field of fixtures, in particular to an automatic positioning fixture and processing equipment.
Background
When the valve body is machined, a plurality of parts are precisely assembled through bolt connection to form a cuboid-like combined structure, blind holes or through holes with precise matching requirements are formed in the surfaces of part of the parts, and vertical honing processing is needed for the assembly holes.
Currently, most clamps used for clamping and positioning parts are manual clamps. The fixture is generally placed on the working table of the honing machine, one end and one side of the fixture are fixed surfaces, a workpiece is manually placed on the fixture platform during processing, the workpiece is pushed to move towards the fixed end and the fixed side to be propped against and positioned, and then a dead point compressing device positioned at the movable end is broken off to compress the workpiece. The pressing mechanism on the honing machine presses the workpiece from top to bottom, and honing processing is started.
The existing manual clamp can meet the use requirement when a single type of part is processed. However, when the specifications of the parts are switched, if the length and width dimensions of the parts are changed, the position of the fixed side positioning plate and the position of the dead point pressing device mounting plate need to be adjusted, and the switching efficiency is low.
Disclosure of utility model
The utility model mainly aims to provide an automatic positioning clamp and processing equipment, and aims to solve the problem of low switching efficiency of a manual clamp when processing parts with different sizes.
In order to achieve the above object, the present utility model provides an automatic positioning fixture, comprising:
The fixture seat is used for placing a workpiece;
The first clamping mechanism comprises two first clamping pieces and a first driving assembly, wherein the two first clamping pieces are arranged at intervals along the X-axis direction, and the first driving assembly drives the first clamping pieces to move relatively so as to clamp two opposite side surfaces of the workpiece;
The second clamping mechanism comprises two second clamping pieces and a second driving assembly, wherein the two second clamping pieces are arranged at intervals along the Y-axis direction, and the second driving assembly drives the two second clamping pieces to move relatively so as to clamp the other two opposite side surfaces of the workpiece.
In some embodiments, the first driving assembly is configured to drive the two first clamping members to move in opposite directions or in opposite directions, where the movement speeds of the two first clamping members are the same.
In some embodiments, the first driving assembly includes two sliding tables, the sliding tables are slidably connected with the fixture seat, and the sliding direction is along the X-axis direction, and the first clamping members are respectively disposed on the two sliding tables.
In some embodiments, the first drive assembly further comprises:
The screw rod comprises a first section and a second section which are connected with each other, the directions of threads on the first section and the second section are opposite, the first section is in threaded fit with one sliding table, and the second section is in threaded fit with the other sliding table;
and the first motor is in driving connection with the screw rod.
In some embodiments, the first drive assembly further comprises:
The two driving wheels are arranged at intervals and are distributed along the sliding direction of the sliding table;
The driving belt is wound on the driving wheel and comprises a third section and a fourth section which are parallel to the sliding direction of the sliding table, the third section and the fourth section are arranged at intervals, the third section is connected with one sliding table, and the fourth section is connected with the other sliding table.
In some embodiments, the first driving assembly further comprises a clamping cylinder, wherein the clamping cylinder comprises two clamping parts, one clamping part is connected with one sliding table, and the other clamping part is connected with the other sliding table.
In some embodiments, the first drive assembly comprises:
the first motor is arranged on the clamp seat;
the crank is in driving connection with the first motor and comprises two connecting parts which are arranged in a central symmetry way by taking a rotating shaft of the first motor as a center;
One connecting rod is hinged with one connecting part and one sliding table respectively, and the other connecting rod is hinged with the other connecting part and the other sliding table respectively.
In some embodiments, one of the second clamping members is fixedly disposed on the clamp base and located between the two first clamping members, the other second clamping member is slidably connected to the clamp base, the sliding direction is along the Y-axis direction, and the second driving assembly is in driving connection with the other second clamping member.
In some embodiments, the second clamping mechanism further comprises a spacer block disposed on the second clamping member, the spacer block being detachably connected to the second clamping member.
The application also provides processing equipment comprising the automatic positioning clamp.
The utility model provides an automatic positioning clamp comprising a clamp seat, a first clamping mechanism and a second clamping mechanism, wherein the clamp seat is used for placing a workpiece, the first clamping mechanism comprises two first clamping pieces which are arranged at intervals along the X-axis direction, and a first driving assembly which drives the first clamping pieces to move relatively so as to clamp two opposite side surfaces of the workpiece; the second clamping mechanism comprises two second clamping pieces and a second driving assembly, the two second clamping pieces are arranged at intervals along the Y-axis direction, and the second driving assembly drives the two second clamping pieces to move relatively so as to clamp the other two opposite side surfaces of the workpiece. The first driving assembly and the second driving assembly can adopt a pneumatic or electric driving mode, after the workpiece is placed on the clamp seat, the first clamping mechanism automatically clamps two opposite side surfaces of the workpiece, the second clamping mechanism automatically clamps two opposite side surfaces of the workpiece, the installation positions of the first clamping mechanism and the second clamping mechanism are not required to be adjusted, and the clamping mechanism is applicable to workpieces with different sizes.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of an automatic positioning fixture according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a first driving assembly according to another embodiment of the present utility model;
Fig. 3 is a schematic structural diagram of a first driving assembly according to another embodiment of the utility model.
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The present utility model proposes an automatic positioning jig, referring to fig. 1, the automatic positioning jig comprising:
A jig base 30 for placing a workpiece;
The first clamping mechanism 10 comprises two first clamping pieces 11 which are arranged at intervals along the X-axis direction, and a first driving assembly which drives the first clamping pieces 11 to move relatively so as to clamp two opposite side surfaces of a workpiece;
The second clamping mechanism 20 comprises two second clamping pieces 21 which are arranged at intervals along the Y-axis direction, and a second driving assembly which drives the two second clamping pieces 21 to move relatively so as to clamp the other two opposite side surfaces of the workpiece.
In this embodiment, four sets of cylinders or four sets of electric cylinders may be disposed on the fixture seat 30, and push rods thereof are disposed in a cross shape, wherein a pair of cylinders or electric cylinders are disposed at intervals along the X-axis direction, the push rods are parallel to the X-axis direction, and the end portions thereof are opposite to form a first driving assembly. The first clamping members 11 are respectively arranged at the end parts of the push rod. The other pair of air cylinders or electric cylinders are arranged at intervals along the Y-axis direction, the push rods are parallel to the Y-axis direction, and the end parts are opposite to form a second driving assembly. The second clamping members 21 are respectively arranged at the end parts of the push rod. Therefore, the middle workpiece can be automatically clamped and positioned. The above-mentioned relative movement of the first clamping member 11 may be a facing movement and a backing movement, or may be a movement in which one is fixed and the other is moved toward or away from the fixed first clamping member 11. As does the relative movement of the second clamping member 21.
The utility model provides an automatic positioning clamp comprising a clamp seat 30, a first clamping mechanism 10 and a second clamping mechanism 20, wherein the clamp seat 30 is used for placing a workpiece, the first clamping mechanism 10 comprises two first clamping pieces 11 which are arranged at intervals along the X-axis direction, and a first driving component which drives the first clamping pieces 11 to move relatively so as to clamp two opposite side surfaces of the workpiece; the second clamping mechanism 20 comprises two second clamping pieces 21 which are arranged at intervals along the Y-axis direction, and a second driving assembly for driving the two second clamping pieces 21 to move relatively so as to clamp the other two opposite side surfaces of the workpiece. The first driving assembly and the second driving assembly can adopt a pneumatic or electric driving mode, when the workpiece is placed on the clamp seat 30, the first clamping mechanism 10 automatically clamps two opposite side surfaces of the workpiece, the second clamping mechanism 20 automatically clamps two opposite side surfaces of the workpiece, and the installation positions of the first clamping mechanism 10 and the second clamping mechanism 20 are not required to be adjusted, so that the workpiece clamping device is applicable to workpieces with different sizes.
In some embodiments, referring to fig. 1, the first driving assembly is used to drive the two first clamping members 11 to move towards or away from each other, and the movement speeds of the two first clamping members 11 are the same. In this embodiment, the first clamping member 11 moves in opposite directions to clamp the workpiece, and the workpiece is released when moving in opposite directions, so that the centering effect can be achieved when the moving speeds of the first clamping member and the workpiece are the same, and the workpiece cannot deviate in the X-axis direction.
In some embodiments, referring to fig. 1, the first driving assembly includes two sliding tables 12, the sliding tables 12 are slidably connected with the fixture base 30, and the sliding direction is along the X-axis direction, and the first clamping members 11 are respectively disposed on the two sliding tables 12. The two sliding tables 12 and the clamp seat 30 in the embodiment are connected through a sliding rail. The arrangement of the sliding table 12 makes the clamping process of the first clamping member 11 more stable.
In some embodiments, referring to fig. 1, the first drive assembly further comprises: the screw rod comprises a first section 13a and a second section 13b which are connected with each other, the directions of threads on the first section 13a and the second section 13b are opposite, the first section 13a is in threaded fit with one sliding table 12, and the second section 13b is in threaded fit with the other sliding table 12; the first motor 14 is in driving connection with the screw rod. Two opposite mounting seats are arranged on the clamp seat 30, and two ends of the screw rod are arranged on the mounting seats. One side of the clamp seat 30 is provided with a mounting plate, the first motor 14 is arranged on the mounting plate and positioned below the clamp seat 30, and the screw rod is positioned right above the first motor 14. The first drive assembly also includes a drive wheel disposed on the shaft of the first motor 14 and a driven wheel disposed on the lead screw. The driving wheel and the driven wheel are positioned on one side of the mounting plate away from the clamp seat 30 and are connected through a synchronous belt. In this embodiment, by providing threads at two opposite ends of the screw rod, when the screw rod is driven to rotate by the first motor 14, the two sliding tables 12 can move in opposite directions or back to back. So as to clamp the workpiece in a centering way, and the workpiece cannot deviate in the X-axis direction. The first motor 14 and the screw rod are driven by a synchronous belt and a synchronous wheel so as to improve the transmission precision.
In some embodiments, referring to fig. 1 and 2, the first drive assembly further comprises: the two driving wheels 15 are arranged at intervals and are distributed along the sliding direction of the sliding table 12; the transmission belt is wound on the transmission wheel 15 and comprises a third section 16a and a fourth section 16b which are parallel to the sliding direction of the sliding tables 12, wherein the third section 16a and the fourth section 16b are arranged at intervals, the third section 16a is connected with one sliding table 12, and the fourth section 16b is connected with the other sliding table 12. The driving wheel 15 in this embodiment may be a synchronizing wheel, a gear, a sprocket wheel, etc. The driving belt can be a synchronous belt, a rack, a chain and the like correspondingly. The two first clamping pieces 11 are in one-to-one correspondence with the third section 16a and the fourth section 16b and are in driving connection, so that the first clamping pieces 11 can be driven to synchronously clamp the workpiece, the workpiece cannot deviate in the X-axis direction.
In some embodiments, referring to fig. 1, the first drive assembly further comprises a clamping cylinder comprising two clamping portions, wherein one clamping portion is connected to one of the sliding tables 12 and the other clamping portion is connected to the other sliding table 12. Of course, the clamping cylinder can also be used for directly clamping two side surfaces of the workpiece, or two clamping parts of the clamping cylinder are connected with two first clamping pieces 11 in a one-to-one correspondence manner so as to drive the first clamping pieces 11 to clamp or open synchronously, so that the structure is simpler.
In some embodiments, referring to fig. 1 and 3, the first drive assembly comprises: the first motor 14 is arranged on the clamp seat 30; the crank 17 is in driving connection with the first motor 14 and comprises two connecting parts which are arranged in a central symmetry way by taking a rotating shaft of the first motor 14 as a center; two connecting rods 18, wherein one connecting rod 18 is respectively hinged with one connecting part and one sliding table 12, and the other connecting rod 18 is respectively hinged with the other connecting part and the other sliding table 12. In this embodiment, the crank 17, the connecting rod 18 and the sliding table 12 form a crank 17 sliding block mechanism, the first motor 14 drives the crank 17 to rotate so as to drive the two sliding tables 12 to move in opposite directions or move in opposite directions, and the two first clamping pieces 11 on the sliding tables 12 can also clamp the workpiece in a centering manner, so that the workpiece cannot deviate in the X-axis direction. Of course, a certain self-locking mechanism, such as a ratchet mechanism or a worm gear mechanism, can be arranged between the crank 17 and the first motor 14 to form self-locking, so that long-time clamping is avoided, and long-time load application of the motor is avoided.
In some embodiments, referring to fig. 1, one second clamping member 21 is fixedly disposed on the clamping seat 30 and located between the two first clamping members 11, the other second clamping member 21 is slidably connected to the clamping seat 30, and the sliding direction is along the Y-axis direction, and the second driving assembly is in driving connection with the other second clamping member 21. In the present embodiment, the second driving assembly 22 may be a cylinder, a hydraulic cylinder, an electric cylinder, or the like. One of the second clamping members 21 is fixedly arranged, so that the workpiece can be positioned in the Y-axis direction, and the positioned position of the workpiece is unique in combination with the centering of the first clamping mechanism 10.
In some embodiments, referring to fig. 1, the second clamping mechanism 20 further includes a spacer block 23 disposed on the second clamping member 21, the spacer block 23 being removably coupled to the second clamping member 21. In this embodiment, the pad 23 may be disposed on a surface of the second clamping member 21 opposite to the workpiece, where the pad 23 and the second clamping member 21 may be connected by a dovetail groove structure or a T-groove, or may be connected by a screw or a pin, so as to facilitate disassembly and assembly.
The application also provides a processing device, and referring to fig. 1 to 3, the processing device comprises the automatic positioning clamp. In this embodiment, the processing device may be a numerically-controlled machine tool, where the machine tool includes a working platform, and the automatic positioning fixture is fixedly disposed on the working platform.
The working principle of the embodiment of the application is as follows:
The utility model provides an automatic positioning clamp comprising a clamp seat 30, a first clamping mechanism 10 and a second clamping mechanism 20, wherein the clamp seat 30 is used for placing a workpiece, the first clamping mechanism 10 comprises two first clamping pieces 11 which are arranged at intervals along the X-axis direction, and a first driving component which drives the first clamping pieces 11 to move relatively so as to clamp two opposite side surfaces of the workpiece; the second clamping mechanism 20 comprises two second clamping pieces 21 which are arranged at intervals along the Y-axis direction, and a second driving assembly for driving the two second clamping pieces 21 to move relatively so as to clamp the other two opposite side surfaces of the workpiece. The first driving assembly and the second driving assembly can adopt a pneumatic or electric driving mode, when the workpiece is placed on the clamp seat 30, the first clamping mechanism 10 automatically clamps two opposite side surfaces of the workpiece, the second clamping mechanism 20 automatically clamps two opposite side surfaces of the workpiece, and the installation positions of the first clamping mechanism 10 and the second clamping mechanism 20 are not required to be adjusted, so that the workpiece clamping device is applicable to workpieces with different sizes.
The foregoing description is only of the optional embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all the equivalent structural changes made by the description of the present utility model and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the utility model.
Claims (10)
1. An automatic positioning fixture, comprising:
The fixture seat is used for placing a workpiece;
The first clamping mechanism comprises two first clamping pieces and a first driving assembly, wherein the two first clamping pieces are arranged at intervals along the X-axis direction, and the first driving assembly drives the first clamping pieces to move relatively so as to clamp two opposite side surfaces of the workpiece;
The second clamping mechanism comprises two second clamping pieces and a second driving assembly, wherein the two second clamping pieces are arranged at intervals along the Y-axis direction, and the second driving assembly drives the two second clamping pieces to move relatively so as to clamp the other two opposite side surfaces of the workpiece.
2. The automatic positioning fixture according to claim 1, wherein the first driving assembly is configured to drive the two first clamping members to move in opposite directions or in opposite directions, and the movement speeds of the two first clamping members are the same.
3. The automatic positioning fixture according to claim 2, wherein the first driving assembly comprises two sliding tables, the sliding tables are slidably connected with the fixture base, the sliding direction is along the X-axis direction, and the first clamping members are respectively arranged on the two sliding tables.
4. The automated positioning fixture of claim 3, wherein the first drive assembly further comprises:
The screw rod comprises a first section and a second section which are connected with each other, the directions of threads on the first section and the second section are opposite, the first section is in threaded fit with one sliding table, and the second section is in threaded fit with the other sliding table;
and the first motor is in driving connection with the screw rod.
5. The automated positioning fixture of claim 3, wherein the first drive assembly further comprises:
The two driving wheels are arranged at intervals and are distributed along the sliding direction of the sliding table;
The driving belt is wound on the driving wheel and comprises a third section and a fourth section which are parallel to the sliding direction of the sliding table, the third section and the fourth section are arranged at intervals, the third section is connected with one sliding table, and the fourth section is connected with the other sliding table.
6. The automated positioning jig of claim 3, wherein the first drive assembly further comprises a clamping cylinder comprising two clamping portions, one of the clamping portions being connected to one of the slipways and the other clamping portion being connected to the other slipway.
7. The automated positioning fixture of claim 3, wherein the first drive assembly comprises:
the first motor is arranged on the clamp seat;
the crank is in driving connection with the first motor and comprises two connecting parts which are arranged in a central symmetry way by taking a rotating shaft of the first motor as a center;
One connecting rod is hinged with one connecting part and one sliding table respectively, and the other connecting rod is hinged with the other connecting part and the other sliding table respectively.
8. The automatic positioning jig according to any one of claims 1 to 7, wherein one of the second clamping members is fixedly disposed on the jig base and located between the two first clamping members, the other of the second clamping members is slidably connected to the jig base, and the sliding direction is along the Y-axis direction, and the second driving assembly is drivingly connected to the other of the second clamping members.
9. The automatic positioning fixture of claim 8, wherein the second clamping mechanism further comprises a spacer disposed on the second clamping member, the spacer being removably coupled to the second clamping member.
10. A machining apparatus comprising the automatic positioning jig according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322577303.7U CN220994216U (en) | 2023-09-21 | 2023-09-21 | Automatic positioning fixture and processing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322577303.7U CN220994216U (en) | 2023-09-21 | 2023-09-21 | Automatic positioning fixture and processing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220994216U true CN220994216U (en) | 2024-05-24 |
Family
ID=91119824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322577303.7U Active CN220994216U (en) | 2023-09-21 | 2023-09-21 | Automatic positioning fixture and processing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220994216U (en) |
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2023
- 2023-09-21 CN CN202322577303.7U patent/CN220994216U/en active Active
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