CN111015541B - Positioning device - Google Patents

Positioning device Download PDF

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Publication number
CN111015541B
CN111015541B CN201811174866.9A CN201811174866A CN111015541B CN 111015541 B CN111015541 B CN 111015541B CN 201811174866 A CN201811174866 A CN 201811174866A CN 111015541 B CN111015541 B CN 111015541B
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China
Prior art keywords
wedge
positioning
block
shaped
support
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CN201811174866.9A
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Chinese (zh)
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CN111015541A (en
Inventor
何正鹏
夏稳进
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Fuding Electronical Technology Jiashan Co Ltd
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Fuding Electronical Technology Jiashan Co Ltd
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Priority to CN201811174866.9A priority Critical patent/CN111015541B/en
Publication of CN111015541A publication Critical patent/CN111015541A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B11/00Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06Work-clamping means

Abstract

The utility model provides a positioning device, which comprises a base, the location base plate, clamping mechanism and positioning mechanism, the location base plate is located on the base, the location base plate is equipped with first profile surface, first profile surface is used for bearing the work piece and makes the first machined surface of work towards the machine direction, clamping mechanism is used for fixed work piece, be equipped with a plurality of first spouts on the lateral wall of base, positioning mechanism includes the profile modeling piece, first head and first push rod are supported, the profile modeling piece is located on the base with sliding, the profile modeling piece is equipped with second profile surface, second profile surface is used for bearing the work piece so that the second machined surface of work faces the machine direction, first head is supported and is located on the profile modeling piece, and be located corresponding first spout, first push rod slides along first spout and can drive first head and profile modeling piece and rise so that the first profile modeling surface of second profile surface protrusion. The positioning device realizes double-sided positioning of the workpiece, has a simple structure, reduces the production cost and improves the universality.

Description

Positioning device
Technical Field
The invention relates to a positioning device.
Background
In industrial production, including assembly and machining processes, positioning devices are required to position workpieces, and when different surfaces of a workpiece need to be machined, various positioning devices are usually designed to position the workpiece so that the different surfaces of the workpiece face the machining direction respectively, thereby increasing production cost and increasing burden on storage of the positioning devices in a production workshop.
Disclosure of Invention
In view of the above, it is necessary to provide a positioning device capable of orienting different surfaces of a workpiece in a machining direction.
A positioning device is used for positioning a workpiece and enabling a first processing surface and a second processing surface of the workpiece to face the processing direction respectively for processing, and comprises a base, a positioning base plate and a clamping mechanism, wherein the positioning base plate is arranged on the base, a first profiling surface is arranged on one side, which is far away from the base, and is used for bearing the workpiece and enabling the first processing surface to face the processing direction, the clamping mechanism is used for abutting against the side edge of the workpiece to fix the workpiece, the positioning device also comprises a plurality of positioning mechanisms, a plurality of first sliding grooves are arranged on the side wall of the base, each positioning mechanism comprises a profiling block, a first abutting head and a first push rod, the profiling block is arranged on the base in a sliding manner, a second profiling surface is arranged on one side, which is far away from the base, and is used for bearing the workpiece and enabling the second processing surface to face the processing direction, the first abutting head is arranged on the profiling block and is positioned in the corresponding first sliding groove, the first push rod slides along the first sliding groove to drive the first abutting head and the profiling block to ascend until the second profiling surface protrudes out of the first profiling surface, the clamping mechanism comprises a second fixing part and at least one second clamping part, the second fixing part and the at least one second clamping part are oppositely arranged on two sides of the positioning base plate, the second clamping part can abut against the workpiece on the second fixing part, the second clamping part comprises a second support, a fourth guide rod, a second jacking block, a fourth spring, a third wedge block and a third push rod, the second support is arranged on the positioning base plate, the fourth guide rod is slidably arranged on the second support, one end of the fourth guide rod is provided with a fourth boss, the other end of the fourth boss is connected with the second jacking block, and the fourth boss and the second jacking block are positioned on two sides of the support, the fourth spring is sleeved on the fourth guide rod, two ends of the fourth spring are respectively abutted to the second abutting block and the second support, a third sliding groove is formed in the side wall of the second support, the third wedge block is arranged on the second abutting block and located in the third sliding groove, a fifth wedge surface is arranged on one side, facing the second fixing piece, of the third wedge block, a sixth wedge surface is arranged at the front end of the third push rod, facing the fifth wedge surface, of the third push rod, and the third push rod moves towards the second fixing piece along the third sliding groove until the sixth wedge surface abuts to the fifth wedge surface and moves.
The positioning device utilizes the ascending of the copying block of the positioning mechanism to position the workpiece to enable the second processing surface to face to the processing direction, the descending of the copying block of the positioning mechanism enables the positioning substrate to position the workpiece to enable the first processing surface to face to the processing direction, and the positioning device realizes double-sided positioning of the workpiece, has simple structure, reduces production cost and improves universality.
Drawings
FIG. 1 is a perspective view of a positioning device and a workpiece according to an embodiment of the invention.
Fig. 2 is an exploded perspective view of the positioning device shown in fig. 1.
Fig. 3 is a schematic view of the positioning device shown in fig. 1 in the direction of a.
Fig. 4 is a perspective view of the first clamping member shown in fig. 1.
Description of the main elements
The following detailed description will further illustrate the invention in conjunction with the above-described figures.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that when one component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components 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. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 and 2, a positioning apparatus 100 is used for positioning a workpiece 200 and making different surfaces of the workpiece 200 to be processed face to a processing direction for processing. In one embodiment, the workpiece 200 is a housing structure, and the workpiece 200 includes two surfaces to be processed, namely a first processing surface 201 and a second processing surface 202, which are oppositely disposed on the workpiece 200. The first processing surface 201 is a convex surface, and the second processing surface 202 is a concave surface, but not limited thereto. For example, in other embodiments, the first processing surface 201 or the second processing surface 202 may also be a plane.
Referring to fig. 1, the positioning apparatus 100 includes a base 10, a positioning substrate 20, a plurality of positioning mechanisms 30, and a clamping mechanism 40. The positioning substrate 20 is disposed on the base 10. The positioning substrate 20 is used for carrying the workpiece 200 and orienting the first processing surface 201 of the workpiece 200 in the processing direction. The positioning mechanism 30 is used for carrying the workpiece 200 and orienting the second processing surface 202 of the workpiece 200 in the processing direction. The clamping mechanism 40 is used to hold the workpiece 200 against the side of the workpiece 200.
Referring to fig. 2, the positioning substrate 20 is provided with a first contour surface 21 on a side away from the base 10. In one embodiment, first contoured surface 21 is contoured to second machined surface 202. The positioning substrate 20 is used for carrying the workpiece 200 and attaching the first contour surface 21 to the second processing surface 202, and the first processing surface 201 faces the side away from the base 10 for processing.
Referring to fig. 2 and fig. 3, in an embodiment, the number of the positioning mechanisms 30 is four, but is not limited thereto. The four positioning mechanisms 30 are respectively arranged on the base 10 in a rectangular shape. Each positioning mechanism 30 comprises a shaped block 31, a first abutment 32, at least one first guide bar 33 and a first push bar 34. At least one first guide bar 33 is slidably disposed on the base 10. The contour block 31 is connected to an end of the first guide bar 33 facing the positioning substrate 20 and is located on a side of the base 10 facing the positioning substrate 20. The positioning substrate 20 is provided with a plurality of first through holes 23, and the first through holes 23 allow the corresponding copying blocks 31 to pass through. The contour block 31 is used for carrying the workpiece 200. The contour block 31 is provided with a second contour 311 on the side facing away from the base 10. In one embodiment, the second contour surface 311 is designed to follow the first processing surface 201 so as to be in contact with the first processing surface 201, and the second processing surface 202 faces the side away from the base 10 for processing. A plurality of first sliding grooves 11 are formed on the side wall of the base 10. The first abutting head 32 is disposed on one side of the shaped block 31 close to the base 10 and is located in the corresponding first sliding slot 11. A first wedge-shaped surface 341 is disposed on a side of the front end of the first push rod 34 facing the first abutting head 32. The first push rod 34 moves along the first sliding chute 11 toward the first abutment 32 until the first wedge-shaped surface 341 contacts the first abutment 32. The first push rod 34 continues to move to make the first wedge-shaped surface 341 abut against the first abutting head 32 to move and drive the profile block 31 to ascend so that the second profile surface 311 protrudes out of the first profile surface 21.
In one embodiment, the number of the first push rods 34 is equal to the number of the positioning mechanisms 30, and each of the first push rods is four.
In one embodiment, the number of the first chutes 11 is two. The first chute 11 penetrates the base 10. It is understood that when the first sliding grooves 11 penetrate the base 10, the number of the first push rods 34 may be equal to the number of the first sliding grooves 11, and two first push rods may be provided. Each first push rod 34 slides along the first sliding slot 11 to sequentially abut against two first abutting heads 32 in one first sliding slot 11 so as to lift the first abutting heads. It is understood that in other embodiments, the number of the first chutes 11 may be the same as the number of the positioning mechanisms 30.
Referring to fig. 3, in one embodiment, the positioning mechanism 30 further includes at least one first spring 35. The end of the first guide rod 33 facing away from the contour block 31 is provided with a first boss 331. The side wall of the base 10 is provided with a plurality of receiving grooves 13. The first boss 331 of each first guide bar 33 is located in a corresponding receiving groove 13. The first spring 35 is sleeved on the first guide rod 33, and two ends of the first spring 35 respectively abut against the groove wall of the accommodating groove 13 and the first boss 331. The first spring 35 can press against the first boss 331 to descend and make the second contour surface 311 lower than the first contour surface 21, so as to ensure that the contour block 31 avoids interfering with the workpiece 200 when the positioning substrate 20 positions the workpiece 200 so that the first processing surface 201 faces upwards. It will be appreciated that in other embodiments the first spring 35 may be omitted and the profile block 31 lowered by its own weight.
Referring also to fig. 3, the clamping mechanism 40 includes a first fixing member 41, at least one first clamping member 42, a second fixing member 43, and at least one second clamping member 44. The first fixing member 41 and the first clamping member 42 are disposed opposite to each other on two sides of the positioning substrate 20, and the second fixing member 43 and the second clamping member 44 are disposed opposite to each other on the other two sides of the positioning substrate 20. The first clamping member 42 can press the workpiece 200 against the first fixing member 41. The second clamping member 44 can press the workpiece 200 against the second fixing member 43.
Referring to fig. 3 and 4, each first clamping member 42 includes a first support 421, at least one second guide rod 422, a first tightening block 423, and at least one second spring 424. The first support 421 is disposed on the positioning substrate 20. Each second guide 422 is slidably disposed on the first support 421. The first abutting block 423 is connected to one end of each second guide rod 422 and is located on a side of the first support 421 facing the first fixing member 41. The other end of the second guide rod 422 is provided with a second boss 4221. The second boss 4221 and the first abutting block 423 are respectively located at both sides of the first support 421. The second spring 424 is sleeved on the second guide rod 422, and two ends of the second spring 424 respectively abut against the first support 421 and the first abutting block 423. The second spring 424 presses against the first pressing block 423 to move toward the first fixing member 41 to clamp the workpiece 200.
Referring to fig. 2 and 4, each first clamping member 42 further includes at least one third guide rod 425, a first wedge 426, a second wedge 427, a second abutment 428, and a second push rod 420. The third guide bar 425 is disposed on a side of the first support 421 facing the base 10. The side of the first wedge 426 facing away from the first fastener 41 is provided with a second wedge surface 4261. The second wedge block 427 is provided on the first caulking block 423. The second wedge block 427 is provided with a third wedge face 4271 towards the second wedge face 4261. The first support 421 is provided with a second through hole 4213. The first wedge block 426 is slidably disposed on the third rod 425 and can pass through the second through hole 4213 to make the second wedge surface 4261 fit with the third wedge surface 4271.
Referring to fig. 2 and 4, a second sliding groove 4211 is formed on a sidewall of the first support 421. The second abutting head 428 is disposed on a side of the first wedge block 426 facing away from the second wedge block 427 and is located in the second sliding slot 4211. A fourth wedge surface 4201 is disposed on a side of the front end of the second push rod 420 facing the second abutting head 428. The second push rod 420 slides along the second sliding slot 4211 in the direction a until the fourth wedge surface 4201 contacts the second abutting head 428. The second push rod 420 continues to slide along the second sliding slot 4211 in the direction a, so that the fourth wedge surface 4201 abuts against the second abutting head 428 and the first wedge block 426 to ascend, and the second wedge surface 4261 pushes the third wedge surface 4271 and the first puller block 423 to move in a direction away from the first fixing member 41, so as to leave a loading space for the workpiece 200.
Referring to fig. 3 and 4, in one embodiment, the first clamping member 42 further includes a plurality of third springs 429. The third guide 425 is provided with a third boss 4251. The third boss 4251 is located on a side of the first wedge 426 facing away from the first seat 421. The third spring 429 is sleeved on the third guide rod 425, and two ends of the third spring 429 respectively abut against the first support 421 and the first wedge 426. The third spring 429 is capable of holding the first wedge 426 down. It will be appreciated that the third spring 429 may be omitted.
Referring to fig. 1 and 3, the second clamping member 44 includes a second support 441, a fourth guide rod 442, a second tightening block 443, and a fourth spring 445. The second support 441 is disposed on the positioning substrate 20. The fourth guide rod 442 is slidably disposed on the second support 441. One end of the fourth guide rod 442 is connected to the second tightening block 443, and the other end is provided with a fourth boss 4421. The fourth bosses 4421 and the second tightening blocks 443 are respectively located on both sides of the second support 441. The fourth spring 445 is sleeved on the fourth guide rod 442, and two ends of the fourth spring 445 respectively abut against the second abutting block 443 and the second support 441.
The second clamp member 44 also includes a third wedge 444 and a third push rod 446. The side wall of the second support 441 is provided with a third sliding groove 4411. The third wedge 444 is disposed on the second pushing block 443 and is located in the third sliding groove 4411. The third wedge 444 is provided with a fifth wedge surface 4441 on the side facing the second fixing piece 43. The front end of the third push rod 446 is provided with a sixth wedge surface 4461 towards the fifth wedge surface 4441. The third push rod 446 slides along the third sliding groove 4411 in the direction a until the sixth wedge surface 4461 comes into contact with the fifth wedge surface 4441. The third push rod 446 continues to slide along the third sliding groove 4411 in the direction a to move the sixth wedge-shaped surface 4461 against the fifth wedge-shaped surface 4441, so that the second pushing block 443 moves in a direction away from the second fixing member 43 to leave a loading space for the workpiece 200. It will be appreciated that in other examples, the second clamping member 44 and the first clamping member 42 may be identical in construction.
In one embodiment, the first abutment 32 and the second abutment 428 are cam followers. When the first wedge surface 341 moves against the first abutting head 32 and the fourth wedge surface 4201 moves against the second abutting head 428, rolling friction is generated, so that the thrust of the first push rod 34 and the second push rod 420 is reduced, and the wear of the first push rod 34 and the first abutting head 32, and the wear of the second push rod 420 and the second abutting head 428 are reduced. It is understood that in other embodiments, the first abutment 32 and the second abutment 428 may have other configurations with rollers to reduce friction.
It is understood that, in an embodiment, buffering members (not shown) may be respectively disposed on the first fixing member 41, the second fixing member 43, the first tightening block 423, and the second tightening block 443 to protect the workpiece 200.
In one embodiment, the number of first guide rods 33, second guide rods 422, third guide rods 425, and fourth guide rods 442 of each positioning mechanism 30, first clamp 42, and second clamp 42, respectively, is two, but not limited thereto. For example, in other embodiments, the number of the first guide rods 33 of each positioning mechanism 30 may be three to increase the surface on which the workpiece 200 is carried so as to be stable when the workpiece 200 is processed. The number of second guide rods 422 per first clamping member 42 may also be one or other.
In one embodiment, the first push rod 34, the second push rod 420, and the third push rod 446 may be driven by a pneumatic cylinder, an electric cylinder, a linkage mechanism, or the like. The first push rod 34, the second push rod 420 and the third push rod 446 may be driven by a driving member at a processing station of a group of external apparatuses, and the positioning device 100 may be fixed to the processing station or placed on a logistics line. It will be appreciated that a set of drive members may also be provided directly on the base 10.
It is understood that in other embodiments, the workpiece 200 may have other structures, and the first processing surface 201 and the second processing surface 202 may be located on two adjacent surfaces of the workpiece 200, as long as the outer edges of the first processing surface 201 and the second processing surface 202 are similar in size to enable the clamping mechanism 40 to clamp the workpiece 200 when positioning the first processing surface 201 and positioning the second processing surface 202, respectively.
It is understood that in other embodiments, the number of machined surfaces of the workpiece 200 may be three or other numbers. Only the corresponding positioning mechanism 30 matched with the other processing surface of the workpiece 200 needs to be added.
In operation, the second push rod 420 moves along the second sliding slot 4211 in the direction a until the fourth wedge surface 4201 pushes the second abutting head 428 to ascend, and the second wedge surface 4261 pushes the third wedge surface 4271 and the first puller block 423 to move away from the first fixing member 41 to leave a loading space for the workpiece 200. The third push rod 446 moves along the third sliding groove 4411 in the direction a until the sixth wedge surface 4461 abuts against the fifth wedge surface 4441 to move in a direction away from the second fixing member 43 to leave a loading space for the workpiece 200.
When the workpiece 200 is positioned with the first processing surface 201 facing upward, the workpiece 200 is loaded onto the positioning substrate 20 with the first processing surface 201 facing in the processing direction. The side wall of the workpiece 200 abuts against the first fixing block and the second fixing block 43. The first spring 35 can lower against the first boss 331 to move the profile block 31 downward and make the second profile surface 311 lower than the first profile surface 21. At this time, the first contour surface 21 is bonded to the second processing surface 202. The second push rod 420 and the third push rod 446 respectively slide along the deviating direction a, the first pushing block 423 and the second pushing block 443 respectively abut against the workpiece 200, and the workpiece 200 is clamped between the first pushing block 423 and the first fixing block and between the second pushing block 443 and the second fixing block 43. The positioning device 100 finishes positioning the workpiece 200 and directs the first processing surface 201 in the processing direction.
When the workpiece 200 is positioned and the second processing surface 202 is facing upward, the first push rod 34 first moves along the first chute 11 toward the first abutment 32 until the first wedge 341 abuts against the first abutment 32 and the contour block 31 rises to make the second contour surface 311 protrude out of the first contour surface 21. The workpiece 200 is loaded onto the copying block 31 with the second machining surface 202 facing in the machining direction. At this time, the first copying surface 21 is bonded to the first processing surface 201. The second push rod 420 and the third push rod 446 then slide in the away direction a, respectively, to cause the clamping mechanism 40 to clamp the workpiece 200. The positioning device 100 finishes positioning the workpiece 200 and directs the second processing surface 202 in the processing direction.
The positioning apparatus 100 moves up the copying block 31 of the positioning mechanism 30 to position the workpiece 200 so that the second machined surface 202 faces the machining direction, and moves down the copying block 31 of the positioning mechanism 30 so that the positioning substrate 20 can position the workpiece 200 so that the first machined surface 201 faces the machining direction. The positioning device 100 realizes double-sided positioning of the workpiece 200, has a simple structure, reduces production cost, and improves the universality of the positioning device 100.
In addition, other modifications within the spirit of the invention may occur to those skilled in the art, and such modifications are, of course, included within the scope of the invention as claimed.

Claims (9)

1. The utility model provides a positioner for the first machined surface and the second machined surface of location work piece and messenger this work piece are towards the machining direction respectively in order to process, and this positioner includes the base, location base plate and clamping mechanism, and this location base plate sets up on this base and is equipped with first profile face in the one side that deviates from this base, and this first profile face is used for bearing this work piece and makes this first machined surface face towards the machining direction, and this clamping mechanism is used for supporting the side of holding in this work piece in order to fix this work piece, its characterized in that: the positioning device also comprises a plurality of positioning mechanisms, a plurality of first sliding grooves are arranged on the side wall of the base, each positioning mechanism comprises a profiling block, a first abutting head and a first push rod, the profiling block is slidably arranged on the base, a second profiling surface is arranged on one side, away from the base, and is used for bearing the workpiece, the second machining surface faces to the machining direction, the first abutting head is arranged on the profiling block and is positioned in the corresponding first sliding groove, the first push rod slides along the first sliding groove to drive the first abutting head and the profiling block to ascend until the second profiling surface protrudes out of the first profiling surface, the clamping mechanism comprises a second fixing piece and at least one second clamping piece, the second fixing piece and the at least one second clamping piece are oppositely arranged on two sides of the positioning base plate, and the second clamping piece can abut against the workpiece on the second fixing piece, the second clamping piece comprises a second support, a fourth guide rod, a second jacking block, a fourth spring, a third wedge-shaped block and a third push rod, the second support is arranged on the positioning base plate, the fourth guide rod is slidably arranged on the second support, one end of the fourth guide rod is provided with a fourth boss, the other end of the fourth guide rod is connected with the second jacking block, the fourth boss and the second jacking block are positioned on two sides of the support, the fourth spring is sleeved on the fourth guide rod, two ends of the fourth spring are respectively abutted on the second jacking block and the second support, the side wall of the second support is provided with a third sliding groove, the third wedge-shaped block is arranged on the second jacking block and positioned in the third sliding groove, one side of the third wedge-shaped block, which faces the second fixing piece, is provided with a fifth wedge-shaped surface, the front end of the third push rod is provided with a sixth wedge-shaped surface, and the third push rod moves towards the second fixing piece until the sixth wedge-shaped surface abuts on the fifth wedge-shaped surface, and the third sliding groove moves towards the fifth wedge-shaped surface And (4) moving.
2. The positioning device of claim 1, wherein: one side of the first push rod facing the first abutting head is provided with a first wedge-shaped surface, and the first push rod slides towards the first abutting head to enable the first wedge-shaped surface to be in contact with the first abutting head.
3. The positioning device of claim 1, wherein: each positioning mechanism further comprises at least one first guide rod and at least one first spring, the first guide rod is slidably arranged on the base, a first boss is arranged at one end, away from the contour block, of the first guide rod, a plurality of accommodating grooves are formed in the side wall of the base, the first boss is located in the corresponding accommodating groove, the first spring is sleeved on the first guide rod, two ends of the first spring respectively abut against the groove wall of the accommodating groove and the first boss, and the first spring can abut against the first boss to descend and enable the second contour surface to be lower than the first contour surface.
4. The positioning device of claim 1, wherein: the first abutment is a cam follower.
5. The positioning device of claim 1, wherein: the clamping mechanism comprises a first fixing piece and at least one first clamping piece, the first fixing piece and the at least one first clamping piece are arranged on the other two sides of the positioning substrate relatively, and the first clamping piece can support the workpiece on the first fixing piece.
6. The positioning device of claim 5, wherein: each first clamping piece comprises a first support, at least one second guide rod, a first jacking block and at least one second spring, the first support is arranged on the positioning base plate, the second guide rod is slidably arranged on the first support, the first jacking block is connected with one end of each second guide rod and is located on one side, facing the first fixing piece, of the first support, a second boss is arranged at the other end of each second guide rod and is located on one side, facing away from the first jacking block, of the first support, each second spring is sleeved on the corresponding second guide rod, and two ends of each second spring are respectively abutted to the first support and the first jacking block.
7. The positioning device of claim 6, wherein: each first clamping part also comprises at least one third guide rod, a first wedge-shaped block, a second butt head and a second push rod, wherein the third guide rod is arranged on one side of the first support seat facing the base, one side of the first wedge-shaped block, which is far away from the first fixing part, is provided with a second wedge-shaped surface, the second wedge-shaped block is arranged on the first butt block, the second wedge-shaped block is provided with a third wedge-shaped surface facing the second wedge-shaped surface, the first support seat is provided with a second through hole, the first wedge-shaped block is arranged on the third guide rod in a sliding manner and can penetrate through the second through hole so as to enable the second wedge-shaped surface to be attached to the third wedge-shaped surface, the side wall of the first support seat is provided with a second sliding groove, the second butt head is arranged on one side of the first wedge-shaped block, which is far away from the second wedge-shaped block and is positioned in the second sliding groove, and one side, which faces the second butt head, of the front end of the second push rod is provided with a fourth wedge-shaped surface, the second push rod moves towards the first fixing piece along the second sliding groove so that the fourth wedge-shaped surface abuts against the second abutting head to ascend.
8. The positioning device of claim 7, wherein: the second abutment is a cam follower.
9. The positioning device of claim 7, wherein: the first clamping piece further comprises at least one third spring, a third boss is arranged on the third guide rod and located on one side, away from the first support, of the first wedge-shaped block, the third spring is sleeved on the third guide rod, and two ends of the third spring are respectively abutted to the first support and the first wedge-shaped block.
CN201811174866.9A 2018-10-09 2018-10-09 Positioning device Active CN111015541B (en)

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CN111015541B true CN111015541B (en) 2021-08-31

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Publication number Priority date Publication date Assignee Title
CN111390605A (en) * 2020-03-30 2020-07-10 佛山市普拉迪数控科技有限公司 Full-automatic tool clamp for machining battery tray

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