CN113070623A - Positioning mechanism and positioning method - Google Patents
Positioning mechanism and positioning method Download PDFInfo
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- CN113070623A CN113070623A CN202110257659.5A CN202110257659A CN113070623A CN 113070623 A CN113070623 A CN 113070623A CN 202110257659 A CN202110257659 A CN 202110257659A CN 113070623 A CN113070623 A CN 113070623A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/362—Laser etching
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention provides a positioning mechanism which comprises a fixing plate, a clamping device and a positioning device, wherein the clamping device and the positioning device are arranged on the fixing plate. The clamping device is used for clamping a workpiece to be positioned. The positioning device is used for adjusting the position of the clamped workpiece; the positioning device comprises an adjusting device and a plurality of loose clamping blocks fixedly connected with the adjusting device, and the adjusting device can drive the loose clamping blocks to move the same distance in the direction close to or away from each other. There is also provided a positioning method comprising the steps of: and adjusting the adjusting device to enable the plurality of loose clamping blocks to move towards the mutually approaching direction, wherein the loose clamping blocks exert thrust on the workpiece in the moving process, so that the position of the workpiece is adjusted. The positioning mechanism and the positioning method can accurately find the center of the workpiece, are not influenced by the overall dimension and tolerance of the workpiece, and realize accurate positioning of the workpiece, thereby improving the processing precision of products and ensuring the quality of the products.
Description
Technical Field
The invention relates to the technical field of mechanical auxiliary equipment, in particular to a positioning mechanism and a positioning method.
Background
In the mechanical and electronic industries, some workpieces need to be positioned by a positioning mechanism for accurate machining. At present, the positioning mechanism of prior art is also various, traditional positioning mechanism not only can not accomplish the accurate positioning to the positioning accuracy, and a lot of positioning mechanism are fixing device, can't adjust, it only can fix a position fixed size's work piece, in case the size of work piece exceeds its fixed size scope, it just can't fix a position this work piece, this has brought certain difficulty for the positioning work of work piece, the operator need come according to experience and go forward the correction, it is inconvenient not only to use, the detection cost is high, work efficiency also greatly reduced, the quality of product, the precision can't obtain guaranteeing more.
Disclosure of Invention
Based on the positioning mechanism and the positioning method, the positioning mechanism and the positioning method can accurately find the center of the workpiece, are not influenced by the overall dimension and tolerance of the workpiece, and realize accurate positioning of the workpiece, so that the processing precision of a product is improved, and the quality of the product is ensured.
In order to achieve the purpose, the invention adopts the technical scheme that:
a positioning mechanism comprises a fixed plate, a clamping device and a positioning device, wherein the clamping device and the positioning device are arranged on the fixed plate;
the clamping device is used for clamping a workpiece to be positioned;
the positioning device is used for adjusting the position of the clamped workpiece so as to enable the center of the workpiece to be consistent with that of the positioning device; the positioning device comprises an adjusting device and a plurality of loose clamping blocks fixedly connected with the adjusting device, and the adjusting device can drive the loose clamping blocks to move the same distance in the direction close to or away from each other.
The further improvement of the technical scheme is as follows:
the clamping device and the adjusting device are respectively positioned on two opposite side surfaces of the fixing plate.
The clamping device comprises a connecting plate and an installation plate, the connecting plate is fixedly connected with the fixed plate and the installation plate respectively, and the projection range of the installation plate on the fixed plate is positioned in the projection range of the connecting plate on the fixed plate; and a sucker device is arranged on the mounting plate and used for fixing the workpiece.
The adjusting device comprises a transmission device and a driving device for driving the transmission device.
The transmission device comprises a gear shaft arranged in the center of the fixing plate, two X-axis transmission plates which are respectively in transmission connection with the gear shaft and can move towards the directions close to or away from each other through the transmission of the gear shaft, and two Y-axis transmission plates which are respectively in transmission connection with the gear shaft and can move towards the directions close to or away from each other through the transmission of the gear shaft; the X-axis transmission plate and the Y-axis transmission plate are arranged perpendicularly to each other.
The X-axis transmission plate and the Y-axis transmission plate are respectively fixedly connected with the loose clamping block, the fixing plate is provided with a limiting hole, one end of the loose clamping block is fixedly connected with the X-axis transmission plate or the Y-axis transmission plate, and the other end of the loose clamping block penetrates through the limiting hole; the X-axis transmission plate and the Y-axis transmission plate can drive the loose clamping block to move in the range of the limiting hole, and the loose clamping block is in contact with the workpiece when moving and pushes the workpiece, so that the position of the workpiece is adjusted.
The X-axis transmission plate and the Y-axis transmission plate are connected with the fixing plate in a sliding mode.
The driving device comprises an air cylinder, an installation part and a driving sliding block, the air cylinder is fixedly connected with the installation part, and the installation part is fixed at the end part of the fixed plate and corresponds to the position of the X-axis transmission plate; the mounting part is provided with a sliding groove, and the driving sliding block is arranged in the sliding groove and is fixedly connected with a piston rod of the air cylinder; the driving sliding block is provided with a connecting hole, the position of the connecting hole is matched with the position of a loose clamping block of the corresponding X-axis transmission plate, and the loose clamping block is positioned in the connecting hole; the driving device drives the loose clamping blocks to move through the driving sliding blocks, so that the transmission device is driven to transmit, and the position of the workpiece is adjusted.
The fixing plate around the connecting plate is fixedly provided with a plurality of fixing pins which protrude out of the surface of the fixing plate.
The invention also provides a positioning method for the positioning mechanism, which comprises the following steps:
adjusting the adjusting device to enable the plurality of loose clamping blocks to move towards a direction away from each other;
clamping a workpiece to be positioned on the clamping device;
and adjusting the adjusting device to enable the plurality of loose clamping blocks to move the same distance in the mutually approaching direction, wherein the loose clamping blocks are contacted with the workpiece in the moving process and exert thrust on the workpiece, so that the position of the workpiece is adjusted, and the center of the workpiece is consistent with the center of the positioning device.
According to the technical scheme, the positioning mechanism clamps the workpiece to be positioned through the clamping device, the position of the clamped workpiece is adjusted through the positioning device, when the loose clamping blocks approach each other, the pushing force can be generated on the workpiece, and the loose clamping blocks move for the same distance when approaching each other, so that the moving distances of the workpiece in all directions are the same, the center of the workpiece is consistent with the center of the positioning device, and the purpose of accurate positioning is achieved. The positioning mechanism is simple in structure, convenient to use and accurate in positioning, and is not influenced by the overall dimension of a workpiece. When the overall dimension of the workpiece is large, the workpiece can enter the adjusting range of the loose clamping blocks by adjusting the loose clamping blocks to move in the direction away from each other, and the workpiece can be pushed to move towards the center of the positioning device by adjusting the loose clamping blocks to move in the direction close to each other no matter the overall dimension of the workpiece, so that the workpiece can be accurately positioned. The positioning mechanism has wide application range, can be matched with a laser etching device and is used for positioning during laser etching processing; the positioning device can also be matched with a CNC machining device and is used for positioning during CNC machining; can also be matched with an assembly jig to be used as a positioning mechanism of the jig. The positioning method is simple and convenient, is suitable for the positioning mechanism, and can realize accurate positioning of the workpiece.
Drawings
Fig. 1 is a schematic structural diagram of a positioning device side of a positioning mechanism according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a clamping device side of a positioning mechanism according to an embodiment of the invention.
FIG. 3 is a schematic front view of a positioning device side of a positioning mechanism according to an embodiment of the present invention.
Fig. 4 is a schematic front view of a positioning mechanism clamping device according to an embodiment of the invention.
Fig. 5 is an exploded view of a positioning mechanism clamping device according to an embodiment of the present invention.
Fig. 6 is an exploded schematic view of a positioning device of a positioning mechanism according to an embodiment of the invention.
Fig. 7 is an exploded view of a driving device of a positioning mechanism according to an embodiment of the invention.
Fig. 8 is a schematic structural diagram of a workpiece to be positioned according to an embodiment of the present invention.
The meaning of the reference symbols in the drawings is:
1-fixing the plate; 2-a positioning device; 3-clamping device; 4-a workpiece; 11-Y axis limiting holes; 12-X axis limiting hole; 21-a drive device; 22-Y axis loose clamp blocks; 23-gear shaft; a 24-Y axis connection plate; a 25-X axis drive plate body; 26-X axis loose clamping block; 27-Y axis drive plate body; 31-a securing pin; 32-a mounting plate; 33-a connecting plate; 34-a suction cup device; 35-a through hole; 211-a cylinder; 212-a mounting portion; 213-driving the slider; 241-Y axis loose clamping block mounting holes; 242-Y shaft connecting plate slide block; 243-Y shaft connecting plate slide rails; 251-X axis rack; 252-X axis loose clamp block mounting holes; 253-X axis rack slots; 254-X axis slide block; a 255-X axis slide rail; 271-Y axis rack; 272-Y axis drive plate slide; 273-Y axis drive plate slide rail; 274-Y axis rack slots; 2111-a piston rod; 2121-a chute; 2131-connecting hole.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Fig. 1 to 7 are schematic structural views of a positioning mechanism according to the present invention.
Fig. 8 is a schematic structural diagram of the workpiece 4 to be positioned in this embodiment.
The clamping device 3 and the adjusting device are respectively positioned on two opposite side surfaces of the fixing plate 1.
As shown in fig. 2, 4 and 5, the clamping device 3 is used for clamping a workpiece 4 to be positioned, and includes a connecting plate 33 and a mounting plate 32, the connecting plate 33 is located between the mounting plate 32 and the fixing plate 1, and is respectively fixedly connected to the fixing plate 1 and the mounting plate 32, a projection range of the mounting plate 32 on the fixing plate 1 is located inside a projection range of the connecting plate 33 on the fixing plate 1, that is, an outer edge of the mounting plate 32 is located inside an outer edge of the connecting plate 33. Be close to near four edges and middle part on the connecting plate 33 and be equipped with a plurality of sucking disc mounting holes, mounting panel 32 with the position that the sucking disc mounting hole corresponds is equipped with through-hole 35, be equipped with sucking disc device 34 in the sucking disc mounting hole, sucking disc device 34 passes through-hole 35, protrusion in mounting panel 32 sets up, sucking disc device 34 is including being used for fixing the sucking disc of work piece 4. The mounting plate 32 has a profile smaller than that of the connecting plate 33, so that a space is left between the workpiece 4 and the connecting plate 33, and when the workpiece 4 fixed to the chuck device 34 needs to be removed, the workpiece 4 can be easily taken by a manipulator or a worker.
As shown in fig. 1, 3 and 5, the positioning device 2 is used for adjusting the position of the clamped workpiece 4 so that the center of the workpiece 4 is consistent with the center of the positioning device 2; the positioning device 2 comprises an adjusting device and a plurality of loose clamping blocks fixedly connected with the adjusting device, and the adjusting device can drive the loose clamping blocks to move the same distance towards the direction close to or away from each other.
The adjusting device comprises a transmission and a drive device 21 for driving the transmission.
The transmission device comprises a gear shaft 23 arranged in the center of the fixing plate 1, two X-axis transmission plates which are respectively in transmission connection with the gear shaft 23 and can move towards the direction close to or away from each other through the transmission of the gear shaft 23, and two Y-axis transmission plates which are respectively in transmission connection with the gear shaft 23 and can move towards the direction close to or away from each other through the transmission of the gear shaft 23; the X-axis transmission plate and the Y-axis transmission plate are arranged perpendicularly to each other. The gear shaft 23 comprises an upper layer of gears and a lower layer of gears, the upper layer of gears and the lower layer of gears are integrally formed or fixedly connected with the gear shaft 23, and the sizes and the positions of gear teeth of the upper layer of gears and the lower layer of gears are the same.
As shown in fig. 6, the X-axis transmission plate is in transmission connection with the lower gear, and the Y-axis transmission plate is in transmission connection with the upper gear. The motion direction of the X-axis transmission plate is parallel to the long edge of the fixed plate 1, and the motion direction of the Y-axis transmission plate is parallel to the short edge of the fixed plate 1. The X-axis transmission plate comprises an X-axis transmission plate body 25, an X-axis rack groove 253 is formed in the position, close to the gear shaft 23, of the front end of the X-axis transmission plate body 25, an X-axis rack 251 is detachably connected to the X-axis rack groove 253, and the X-axis rack 251 is in transmission connection with the lower-layer gear. The X axle driving plate body 25 is kept away from the one end of gear shaft 23 is equipped with the pine clamp splice mounting hole 252 of X axle, fixedly connected with X axle pine clamp splice 26 in the pine clamp splice mounting hole 252 of X axle, fixed plate 1 with the position that X axle pine clamp splice 26 corresponds is equipped with the spacing hole 12 of X axle, X axle pine clamp splice 26 one end with X axle driving plate body 25 fixed connection, the other end passes the spacing hole 12 of X axle to the protrusion in mounting panel 32 sets up. An X-axis sliding rail 255 is arranged on the fixing plate 1 corresponding to the position of the X-axis transmission plate body 25, an X-axis sliding block 254 is fixedly connected to the surface of one side, close to the fixing plate 1, of the X-axis transmission plate body 25, the X-axis sliding block 254 is connected with the X-axis sliding rail 255 in a sliding mode, and the X-axis transmission plate can slide on the X-axis sliding rail 255 through the X-axis sliding block 254.
The Y-axis transmission plate comprises a Y-axis transmission plate body 27, a Y-axis rack groove 274 is formed in the position, close to the gear shaft 23, of the front end of the Y-axis transmission plate body 27, a Y-axis rack 271 is detachably connected to the Y-axis rack groove 274, and the Y-axis rack 271 is in transmission connection with the upper-layer gear. The Y-axis transmission plate body 27 is far away from one end of the gear shaft 23 and is fixedly connected with a Y-axis connection plate 24, the length direction of the Y-axis connection plate 24 is parallel to the long edge of the fixing plate 1, and the Y-axis transmission plate body 27 is symmetrically arranged on two sides. Y axle loose clamp splice mounting hole 241 is provided with respectively at 24 length direction's of Y axle connecting plate both ends, fixedly connected with Y axle loose clamp splice 22 in the Y axle loose clamp splice mounting hole 241, fixed plate 1 with the position that Y axle loose clamp splice 22 corresponds is equipped with the spacing hole of Y axle 11, Y axle loose clamp splice 22 one end with 24 fixed connection of Y axle connecting plate, the other end passes the spacing hole of Y axle 11 to protrusion in mounting panel 32 sets up. With be provided with Y axle transmission board slide rail 273 on the fixed plate 1 that Y axle transmission board body 27 position corresponds, Y axle transmission board body 27 is close to fixedly connected with Y axle transmission board slider 272 on the surface of fixed plate 1 one side, Y axle transmission board slider 272 with Y axle transmission board slide rail 273 sliding connection, Y axle transmission board can slide along Y axle transmission board slide rail 273 through Y axle transmission board slider 272. The Y-axis connecting plate sliding rails 243 are respectively arranged on the fixing plates 1 corresponding to the two ends of the length of the Y-axis connecting plate 24, Y-axis connecting plate sliding blocks 242 are respectively and correspondingly arranged on the surfaces of the Y-axis connecting plates 24 close to one sides of the fixing plates 1, the Y-axis connecting plate sliding blocks 242 are in sliding connection with the Y-axis connecting plate sliding rails 243, and the Y-axis connecting plates 24 can slide along the Y-axis connecting plate sliding rails 243 through the Y-axis connecting plate sliding blocks 242.
As shown in fig. 7, the driving device 21 is disposed on the fixing plate 1 at one end of the X-axis transmission plate far away from the gear shaft 23, and includes an air cylinder 211, a mounting portion 212, and a driving slider 213, wherein the air cylinder 211 is fixedly connected to the mounting portion 212, and the mounting portion 212 is fixed to an end portion of the fixing plate 1. The mounting part 212 is provided with a sliding groove 2121, and the driving slider 213 is arranged in the sliding groove 2121 and is fixedly connected with a piston rod 2111 of the air cylinder 211; a connecting hole 2131 is formed in the driving sliding block 213, the position of the connecting hole 2131 is matched with the position of the corresponding X-axis loose clamping block 26, and the X-axis loose clamping block 26 is located in the connecting hole 2131; the driving device 21 drives the loose clamp blocks to move through the driving slide blocks 213, so as to drive the transmission device to transmit, and position adjustment of the workpiece 4 is realized. The driving device may be any other structure capable of driving the X-axis transmission plate, such as a motor or a manual operation.
Four groups of fixing pins 31 are respectively and fixedly arranged on the surface of the fixing plate 1 near the four top corners of the connecting plate 33, the number of each group of fixing pins 31 is two, or more, and more groups of fixing pins 31 can be arranged as required. The fixing pins 31 protrude from the surface of the fixing plate 1, and the four groups of fixing pins 31 are used for limiting the clamped workpiece 4 to a certain extent.
The positioning method of the embodiment comprises the following steps:
first, the driving device 21 is turned off, the piston rod 2111 of the driving device 21 retracts, and at the same time, the X-axis driving plate is driven to slide along the X-axis sliding rail 255 in a direction away from each other, and through the action of gear transmission, the Y-axis driving plate slides along the Y-axis driving plate sliding rail 273, and the Y-axis connecting plate 24 is driven to slide along the Y-axis connecting plate sliding rail 243, so that the X-axis loose clamp 26 and the Y-axis loose clamp 22 are driven to move in a direction away from each other.
Then, the workpiece 4 to be positioned is clamped on the clamping device 3, the clamping is not limited by the size of the workpiece 4, and the clamping can be easily carried out even if the workpiece 4 is large.
After the workpiece 4 is clamped, the driving device 21 is started, the piston rod 2111 of the driving device 21 extends out, and simultaneously drives the X-axis transmission plate to slide along the X-axis sliding rail 255 in the direction approaching each other, through the action of gear transmission, the Y-axis transmission plate slides along the Y-axis transmission plate sliding rail 273, and drives the Y-axis connection plate 24 to slide along the Y-axis connection plate sliding rail 243, so as to drive the X-axis loose clamp block 26 and the Y-axis loose clamp block 22 to move in the direction approaching each other, and in the process of moving the X-axis loose clamp block 26 and the Y-axis loose clamp block 22, the Y-axis loose clamp block contacts with the workpiece 4 and generates thrust on the workpiece 4, so that the workpiece 4 approaches to the center position of the positioning device 2, and finally, after all the X-axis loose clamp blocks 26 and the Y-axis loose clamp block 22 contact with the workpiece 4, the workpiece 4 is positioned in place, and the center of the workpiece 4 is kept consistent.
After the workpiece 4 is positioned in place, the subsequent processing and other procedures can be carried out, and the workpiece 4 is accurately positioned, so that the guarantee is provided for the production of the subsequent procedure.
The positioning mechanism is simple in structure, convenient to use and accurate in positioning, and is not influenced by the overall dimension of a workpiece. When the overall dimension of the workpiece is large, the workpiece can enter the adjusting range of the loose clamping blocks by adjusting the loose clamping blocks to move in the direction away from each other, and the workpiece can be pushed to move towards the center of the positioning device 2 by adjusting the loose clamping blocks to move in the direction close to each other no matter the overall dimension of the workpiece, so that the workpiece can be accurately positioned. And traditional positioning mechanism can't adjust, and application scope is narrower, can't carry out accurate location to the work piece, and positioning accuracy is low, and inefficiency seriously influences the production of the positive process, can't guarantee the quality of product, causes product manufacturing cost too high.
The positioning mechanism has wide application range, can be matched with a laser etching device and is used for positioning during laser etching processing; the positioning device can also be matched with a CNC machining device and is used for positioning during CNC machining; can also be matched with an assembly jig to be used as a positioning mechanism of the jig. The positioning method is simple and convenient, is suitable for the positioning mechanism, and can realize accurate positioning of the workpiece.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples only express preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A positioning mechanism, characterized by: comprises a fixed plate, a clamping device and a positioning device which are arranged on the fixed plate;
the clamping device is used for clamping a workpiece to be positioned;
the positioning device is used for adjusting the position of the clamped workpiece so as to enable the center of the workpiece to be consistent with that of the positioning device; the positioning device comprises an adjusting device and a plurality of loose clamping blocks fixedly connected with the adjusting device, and the adjusting device can drive the loose clamping blocks to move the same distance in the direction close to or away from each other.
2. The positioning mechanism of claim 1, wherein: the clamping device and the adjusting device are respectively positioned on two opposite side surfaces of the fixing plate.
3. The positioning mechanism according to claim 1 or 2, wherein: the clamping device comprises a connecting plate and an installation plate, the connecting plate is fixedly connected with the fixed plate and the installation plate respectively, and the projection range of the installation plate on the fixed plate is positioned in the projection range of the connecting plate on the fixed plate; and a sucker device is arranged on the mounting plate and used for fixing the workpiece.
4. The positioning mechanism according to claim 1 or 2, wherein: the adjusting device comprises a transmission device and a driving device for driving the transmission device.
5. The positioning mechanism of claim 4, wherein: the transmission device comprises a gear shaft arranged in the center of the fixing plate, two X-axis transmission plates which are respectively in transmission connection with the gear shaft and can move towards the directions close to or away from each other through the transmission of the gear shaft, and two Y-axis transmission plates which are respectively in transmission connection with the gear shaft and can move towards the directions close to or away from each other through the transmission of the gear shaft; the X-axis transmission plate and the Y-axis transmission plate are arranged perpendicularly to each other.
6. The positioning mechanism of claim 5, wherein: the X-axis transmission plate and the Y-axis transmission plate are respectively fixedly connected with the loose clamping block, the fixing plate is provided with a limiting hole, one end of the loose clamping block is fixedly connected with the X-axis transmission plate or the Y-axis transmission plate, and the other end of the loose clamping block penetrates through the limiting hole; the X-axis transmission plate and the Y-axis transmission plate can drive the loose clamping block to move in the range of the limiting hole, and the loose clamping block is in contact with the workpiece when moving and pushes the workpiece, so that the position of the workpiece is adjusted.
7. The positioning mechanism of claim 5, wherein: the X-axis transmission plate and the Y-axis transmission plate are connected with the fixing plate in a sliding mode.
8. The positioning mechanism of claim 4, wherein: the driving device comprises an air cylinder, an installation part and a driving sliding block, the air cylinder is fixedly connected with the installation part, and the installation part is fixed at the end part of the fixed plate and corresponds to the position of the X-axis transmission plate; the mounting part is provided with a sliding groove, and the driving sliding block is arranged in the sliding groove and is fixedly connected with a piston rod of the air cylinder; the driving sliding block is provided with a connecting hole, the position of the connecting hole is matched with the position of a loose clamping block of the corresponding X-axis transmission plate, and the loose clamping block is positioned in the connecting hole; the driving device drives the loose clamping blocks to move through the driving sliding blocks, so that the transmission device is driven to transmit, and the position of the workpiece is adjusted.
9. The positioning mechanism of claim 3, wherein: the fixing plate around the connecting plate is fixedly provided with a plurality of fixing pins which protrude out of the surface of the fixing plate.
10. A positioning method for the positioning mechanism according to any one of claims 1 to 9, characterized in that: the method comprises the following steps:
adjusting the adjusting device to enable the plurality of loose clamping blocks to move towards a direction away from each other;
clamping a workpiece to be positioned on the clamping device;
and adjusting the adjusting device to enable the plurality of loose clamping blocks to move the same distance in the mutually approaching direction, wherein the loose clamping blocks are contacted with the workpiece in the moving process and exert thrust on the workpiece, so that the position of the workpiece is adjusted, and the center of the workpiece is consistent with the center of the positioning device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110257659.5A CN113070623B (en) | 2021-03-09 | 2021-03-09 | Positioning mechanism and positioning method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110257659.5A CN113070623B (en) | 2021-03-09 | 2021-03-09 | Positioning mechanism and positioning method |
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| CN113070623A true CN113070623A (en) | 2021-07-06 |
| CN113070623B CN113070623B (en) | 2023-04-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114131210A (en) * | 2021-11-02 | 2022-03-04 | 广东长盈精密技术有限公司 | Automatic transcoding engraving device |
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| CN108381433A (en) * | 2018-05-30 | 2018-08-10 | 珠海格力智能装备有限公司 | Centering machine |
| CN110561155A (en) * | 2019-09-30 | 2019-12-13 | 吴善旺 | Positioning assembly of engraving and milling machine |
| CN112059659A (en) * | 2020-08-18 | 2020-12-11 | 青岛磐德凯锐设备制造有限公司 | Rotary workbench |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114131210A (en) * | 2021-11-02 | 2022-03-04 | 广东长盈精密技术有限公司 | Automatic transcoding engraving device |
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