Positioning jig

Abstract

The utility model relates to the technical field of jigs, and discloses a positioning jig which comprises a bearing assembly, a pressing assembly and a locking assembly. The receiving assembly is configured to restrain the material piece in a plane perpendicular to the first direction. The material pressing assembly comprises a material pressing frame, a material pressing piece and a material pressing elastic piece, the material pressing piece is arranged on the material pressing frame in a sliding mode in the first direction, the material pressing elastic piece is connected with the material pressing piece and the material pressing frame, the material pressing elastic piece is configured to generate elastic deformation when the material pressing piece moves relative to the material pressing frame, and the material pressing piece is configured to abut against the material piece and restrain the material piece in the first direction; the locking assembly is configured to restrain the relative position between the material pressing frame and the bearing base in the first direction. The positioning jig is used for positioning the material parts, the probability that the material parts are damaged is reduced, and the yield of follow-up machining of the material parts is improved.

Description

Technical Field

[0001] This application relates to the field of fixture technology, and more specifically, to a positioning fixture. Background Technology

[0002] In automated production, jigs are sometimes used to precisely position and fix parts in order to facilitate processing or assembly. A jig generally includes a receiving base for receiving the parts and a clamping block or clamp for fixing them. The clamping block or clamp is typically fixed to the receiving base using screws or cylinders. Currently, when fixing the clamping block or clamp, sometimes excessive force can cause deformation or damage to the parts, resulting in a low yield rate. Utility Model Content

[0003] In view of this, this application provides a positioning fixture to improve the yield of parts.

[0004] Embodiments of this application provide a positioning fixture for positioning a workpiece. The positioning fixture includes a receiving component, a pressing component, and a locking component. The receiving component includes a receiving seat with a positioning part for fitting or inserting the workpiece along a first direction and allowing the workpiece to abut against the receiving seat. The positioning part is configured to constrain the workpiece in a plane perpendicular to the first direction. The pressing component includes a pressing frame, a pressing member, and a pressing elastic member. The pressing member is slidably disposed on the pressing frame along the first direction and is configured to stop the workpiece towards the receiving seat along the first direction. The pressing elastic member connects the pressing member and the pressing frame and is configured to elastically deform when the pressing member moves relative to the pressing frame. The locking component connects the pressing frame and the receiving seat and is configured to constrain the relative position between the pressing frame and the receiving seat in the first direction.

[0005] When using this positioning fixture to position a workpiece, after the workpiece is fitted or inserted into the positioning part, the pressure member abuts against the side of the workpiece away from the receiving seat along a first direction. Then, the pressure frame is moved along the first direction, causing the pressure frame to move relative to the pressure member. This causes the pressure elastic member to elastically deform, thereby pressing the workpiece firmly. Finally, the locking assembly is used to fix the pressure frame to the receiving seat, ensuring that the pressure member keeps pressing the workpiece firmly. During the process of moving the pressure frame and fixing it to the receiving seat after the pressure member abuts against the workpiece, the pressure elastic member can elastically deform to reduce the force exerted by the pressure member on the workpiece, thereby reducing the risk of damage or deformation to the workpiece and improving the workpiece yield.

[0006] In some embodiments of this application, the positioning fixture further includes a plurality of pushing components, which are arranged around the positioning part; the pushing components include a pushing member and a pushing elastic member, the pushing member is slidably disposed on the receiving seat, the sliding direction of the pushing member is perpendicular to the first direction, and the pushing member and the positioning part are configured to abut against the two sides of the material along the sliding direction respectively; the pushing elastic member connects the pushing member and the receiving seat, and the pushing elastic member is configured to provide an elastic force to the pushing member along the sliding direction and toward the positioning part.

[0007] Before installing the part into the positioning part, the pushing member is moved away from the positioning part to create a gap between the pushing member and the positioning part that allows the part to be placed. At the same time, the pushing elastic member undergoes elastic deformation. After the part is installed into the positioning part, the pushing member is released, and the deformation of the pushing elastic member is restored, causing the pushing member to move towards the positioning part. This allows the pushing member to push the part towards the positioning part, making the part abut against the positioning part. This further fixes the part and ensures that all parts of the part abut against the positioning part, thus constraining the shape of the part. This reduces the risk of deformation of the part during processing or assembly, and helps to further improve the yield of the part.

[0008] In some embodiments of this application, the positioning fixture further includes a drive assembly disposed on the receiving seat and configured to drive the pushers of the plurality of pushers away from the positioning portion.

[0009] Multiple pushers can be driven away from the positioning part by the drive component, so that multiple pushers simultaneously form a gap between themselves and the positioning part for placing the material, thereby facilitating quick installation of the material.

[0010] In some embodiments of this application, the driving assembly includes a driving rod and a sliding rod, the driving rod and the sliding rod are respectively connected to at least one abutting member, the driving rod is slidably disposed on the receiving seat along a second direction, and the sliding rod is slidably disposed on the receiving seat along a third direction; the second direction and the third direction intersect, and both the second direction and the third direction are perpendicular to the first direction; the driving rod is provided with a driving surface, and the sliding rod is provided with an abutting portion, the abutting portion abutting against the driving surface, and the driving surface is inclined relative to the second direction.

[0011] The sliding drive rod slides along the second direction, causing the drive surface to move relative to the abutment in the second direction, thereby causing the abutment to move relative to the drive surface, and causing the sliding rod to slide relative to the receiving seat in the third direction, thereby causing both the push member connected to the drive rod and the push member connected to the sliding rod to move.

[0012] In some embodiments of this application, the drive assembly includes an operating member, which includes an operating part, a rotating part, and a connecting part. The rotating part is rotatably connected to the receiving seat, and both the operating part and the connecting part are connected to the rotating part. The maximum distance along the radial direction of the rotating part between the rotation axis of the operating part and the rotating part is L1, and the maximum distance along the radial direction of the rotating part between the rotation axis of the connecting part and the rotating part is L2, where L1 is greater than L2. The push member is provided with a mating part, and the connecting part is configured to push against the mating part when the rotating part rotates, so that the push member moves away from the positioning part.

[0013] The operating part drives the rotating part to rotate, and the rotating part drives the connecting part to move, so that the connecting part pushes against the mating part, thereby moving the pushing part away from the positioning part. The operation is relatively simple and labor-saving.

[0014] In some embodiments of this application, the locking assembly includes a rotating member, a holding member, and a mating member. The rotating member is rotatably connected to the receiving seat, the holding member is connected to the rotating member, the mating member and the positioning part are located on the same side of the receiving seat along a first direction, the mating member is connected to the pressure frame, and the holding member is configured to abut against the side of the mating member opposite to the receiving seat along the first direction.

[0015] After the pressing component clamps the material, the rotating component is rotated. The rotating component drives the supporting component to move to the side of the mating component away from the receiving seat, so that the supporting component and the mating component abut against each other on the side away from the receiving seat. This keeps the pressing elastic component elastically deformed, thereby keeping the supporting component and the mating component abutting against each other, so that the pressing frame and the receiving seat remain relatively fixed.

[0016] In some embodiments of this application, the abutment includes a rotating part and an abutment part. The rotating part is rotatably connected to the rotating member, and the abutment part is connected to the rotating part. When the rotating part is rotated, the abutment part can move between the rotating part and the mating member and abut against the side of the mating member opposite to the receiving seat along the first direction.

[0017] After the supporting member moves to the side of the mating member away from the receiving seat, the rotating part is rotated. The rotating part drives the supporting member to move between the rotating part and the mating member and to abut against the mating member, so that the mating member moves toward the receiving seat, thereby causing the pressure frame to move further relative to the receiving seat, so that the pressure elastic member undergoes further elastic deformation, so that the mating member and the supporting member remain pressed together.

[0018] In some embodiments of this application, the mating member is provided with a limiting groove on the side opposite to the receiving seat along a first direction, and the limiting groove is configured to accommodate at least a portion of the abutment portion.

[0019] The limiting groove can constrain the position of the supporting part relative to the mating part, so that the supporting part and the mating part are stably connected, thereby improving the stability of the contact between the supporting part and the mating part, reducing the risk of the supporting part disengaging from the mating part, and thus improving the stability of the pressure frame relative to the receiving seat.

[0020] In some embodiments of this application, the pressure frame is provided with a sliding hole and an abutment plate, the pressure member is slidably disposed in the sliding hole along a first direction, the pressure member is provided with a limiting part, the pressure frame is provided with a stop part, and the abutment plate, the limiting part, and the stop part are arranged sequentially along the first direction; the two ends of the pressure elastic member abut against the pressure member and the abutment plate respectively, and the stop part is configured to face the stop limiting part of the abutment plate along the first direction.

[0021] The sliding hole guides the pressure member, improving its stability relative to the pressure frame. Simultaneously, the limiting part restricts the movement range of the pressure member relative to the pressure frame, ensuring the pressure member remains connected to the pressure frame.

[0022] In some embodiments of this application, the stop portion is a groove, and the stop portion is configured to accommodate the limiting portion.

[0023] During the movement of the pressing component relative to the pressing frame, the limiting part can be accommodated in the groove, thereby increasing the range of movement of the pressing component relative to the pressing frame. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the positioning fixture provided in one embodiment of this application.

[0025] Figure 2 yes Figure 1 A partial exploded view of the positioning fixture provided in the diagram.

[0026] Figure 3 yes Figure 2 The provided diagram shows a partial exploded view of the positioning part and the material.

[0027] Figure 4 yes Figure 2 The diagram provided shows a partial disassembly of the supporting component after some of its structure has been removed.

[0028] Figure 5 yes Figure 4 Enlarged view at point A.

[0029] Figure 6 This is a partially exploded schematic diagram of the driving component and the pushing component provided in an embodiment of this application.

[0030] Figure 7 yes Figure 2 The diagram shows a partial cross-sectional view of the receiving component along line BB.

[0031] Figure 8 yes Figure 1 Enlarged view at point C.

[0032] Explanation of main component symbols

[0033] 1000, Positioning fixture; 100, Receiving assembly; 11, Receiving seat; 111, Positioning part; 1111, Clearance hole; 112, Receiving part; 113, Restraining part; 114, Cover plate; 1141, Slide groove; 115, Placement groove; 116, Second sliding groove; 117, Third sliding groove; 200, Pressing assembly; 21, Pressing frame; 211, Sliding hole; 212, Abutment plate; 213, Stop part; 22, Pressing component; 221, Limiting part; 222, Mounting groove; 23, Pressing elastic component; 300, Locking assembly; 31, Rotating component; 32, Holding component; 321, Rotating part; 322, Holding part; 33, Mating component; 331, Limiting groove; 400, Pushing assembly; 41, Pushing member; 411, Connecting hole; 42, Pushing elastic member; 43, Pushing member; 500, Driving assembly; 51, Driving rod; 511, Driving surface; 512, Mating part; 52, Sliding rod; 521, Connecting column; 522, Abutting part; 5221, Abutting surface; 53, Operating member; 531, Operating part; 532, Rotating part; 533, Connecting part; 534, Locking part; 600, Limiting assembly; 61, Rotating wheel; 62, Operating rod; 63, Locking member; 2000, Material; 201, First material; 202, Second material; 2021, Constraint hole; Z, First direction; X, Second direction; Y, Third direction. Detailed Implementation

[0034] The technical solutions of the embodiments of this application will be described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments.

[0035] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

[0036] The terms “first,” “second,” “third,” etc., used in this article are for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0037] Embodiments of this application provide a positioning fixture for positioning a workpiece. The positioning fixture includes a receiving component, a pressing component, and a locking component. The receiving component includes a receiving seat with a positioning part for fitting or inserting the workpiece along a first direction and allowing the workpiece to abut against the receiving seat. The positioning part is configured to constrain the workpiece in a plane perpendicular to the first direction. The pressing component includes a pressing frame, a pressing member, and a pressing elastic member. The pressing member is slidably disposed on the pressing frame along the first direction and is configured to stop the workpiece towards the receiving seat along the first direction. The pressing elastic member connects the pressing member and the pressing frame and is configured to elastically deform when the pressing member moves relative to the pressing frame. The locking component connects the pressing frame and the receiving seat and is configured to constrain the relative position between the pressing frame and the receiving seat in the first direction.

[0038] When using this positioning fixture to position a workpiece, after the workpiece is fitted or inserted into the positioning part, the pressure member abuts against the side of the workpiece away from the receiving seat along a first direction. Then, the pressure frame is moved along the first direction, causing the pressure frame to move relative to the pressure member. This causes the pressure elastic member to elastically deform, thereby pressing the workpiece firmly. Finally, the locking assembly is used to fix the pressure frame to the receiving seat, ensuring that the pressure member keeps pressing the workpiece firmly. During the process of moving the pressure frame and fixing it to the receiving seat after the pressure member abuts against the workpiece, the pressure elastic member can elastically deform to reduce the force exerted by the pressure member on the workpiece, thereby reducing the risk of damage or deformation to the workpiece and improving the workpiece yield.

[0039] The following detailed description of some embodiments of this application is provided in conjunction with the accompanying drawings. Unless otherwise specified, the following embodiments and features can be combined with each other.

[0040] Reference Figure 1 and Figure 2 This application provides a positioning fixture 1000 for positioning a workpiece 2000. The positioning fixture 1000 includes a receiving component 100, a pressing component 200, and a locking component 300. The receiving component 100 is configured to carry and position the workpiece 2000, the pressing component 200 is configured to press against the workpiece 2000, and the locking component 300 is configured to connect the pressing component 200 and the receiving component 100, so that the pressing component 200 presses the workpiece 2000.

[0041] Reference Figure 2 and Figure 3In some embodiments, the receiving assembly 100 includes a receiving seat 11, which has a positioning portion 111 and a receiving portion 112. Exemplarily, the receiving seat 11 is generally plate-shaped, and both the receiving portion 112 and the positioning portion 111 are located on one side of the receiving seat 11 along its thickness direction. In some embodiments, the positioning portion 111 is generally boss-shaped, and the receiving portion 112 is arranged around the positioning portion 111. The positioning portion 111 and the receiving seat 11 are fixedly connected by screws. In some embodiments, the receiving portion 112 and the positioning portion 111 are an integral structure.

[0042] The material 2000 can be sleeved on the positioning part 111 along the first direction Z and abut against the receiving part 112, so that the positioning part 111 can constrain the position of the material 2000 in a plane perpendicular to the first direction Z; it can be understood that the first direction Z is the thickness direction of the receiving seat 11, and the material 2000 abuts against the receiving seat 11 through the receiving part 112. In some embodiments, the receiving part 112 may also be block-shaped or other shapes, as long as the receiving part 112 can receive the material 2000. In some embodiments, the receiving part 112 and the positioning part 111 may be a separate structure, and the receiving part 112 is connected to the receiving seat 11. For example, the receiving part 112 is the surface of the receiving seat 11.

[0043] In some embodiments, the positioning part 111 and the receiving seat 11 may be an integral structure. In some embodiments, the positioning part 111 may be a columnar pin fixed to the receiving seat 11 or a floating tapered pin provided on the receiving seat 11. In some embodiments, the positioning part 111 may be a groove provided on the receiving seat 11. When installing the material 2000, the material 2000 is inserted into the positioning part 111, so that the inner wall of the groove-shaped positioning part 111 can constrain the position of the material 2000 in a plane perpendicular to the first direction Z. In some embodiments, the positioning part 111 may also be other structures, as long as the positioning part 111 can constrain the position of the material 2000 in a plane perpendicular to the first direction Z.

[0044] In some embodiments, the material component 2000 includes a first material component 201 and a second material component 202. The first material component 201 is a hollow frame, and the second material component 202 is plate-shaped. The outer peripheral wall of the second material component 202 is connected to the inner peripheral wall of the first material component 201 by welding. Before welding the second material component 202 to the first material component 201, the relative position between the first material component 201 and the second material component 202 can be positioned by the positioning fixture 1000. The specific steps are as follows: first, the first material component 201 is sleeved on the positioning part 111, so that the receiving part 112 receives the first material component 201; then, the second material component 202 is placed inside the first material component 201, so that the positioning part 111 receives the second material component 202; finally, the pressing assembly 200 presses the first material component 201 and the second material component 202 together. In other embodiments, the positioning fixture 1000 can also be used to fix a single piece 2000 that can be fitted or inserted into the positioning part 111, for example, to fix a first piece 201 that is a hollow frame.

[0045] In some embodiments, the receiving seat 11 further includes a constraint portion 113, which is at least two floating tapered pins. The positioning portion 111 has a clearance hole 1111, and the constraint portion 113 is disposed in the clearance hole 1111 with its tapered head protruding outside the clearance hole 1111. The second material part 202 has a constraint hole 2021. When the second material part 202 abuts against the positioning portion 111, the tapered head of the constraint portion 113 is inserted into the constraint hole 2021 to constrain the position of the second material part 202 in a plane perpendicular to the first direction Z, thereby improving the positional accuracy of the second material part 202 relative to the first material part 201. In other embodiments, the constraint portion 113 may also be a columnar pin connected to the receiving seat 11 or the positioning portion 111.

[0046] Reference Figure 2 and Figure 4 In some embodiments, the positioning fixture 1000 further includes a plurality of pushing components 400, which are sequentially arranged around the positioning portion 111. The pushing components 400 are configured to push against corresponding portions of the material 2000 toward the positioning portion 111 in a direction perpendicular to the first direction Z, so that all portions of the material 2000 along its circumference remain in contact with the positioning portion 111. It is understood that the pushing components 400 are located on the side of the receiving seat 11 along the first direction Z where the positioning portion 111 is located.

[0047] Reference Figure 4 and Figure 5 The pushing assembly 400 includes a pushing member 41 and a pushing elastic member 42. The pushing member 41 is slidably disposed on the receiving seat 11, and the sliding direction of the pushing member 41 is perpendicular to the first direction Z. The pushing elastic member 42 connects the pushing member 41 and the receiving seat 11, and the pushing elastic member 42 is configured to provide force to the pushing member 41 so that the pushing member 41 is oriented toward the positioning part 111 (see...). Figure 2 ( ) The elastic force of sliding.

[0048] For example, one of the directions perpendicular to the first direction Z is defined as the second direction X. The receiving seat 11 is provided with a cover plate 114. The side of the cover plate 114 facing the pusher 41 is provided with a groove 1141 along the second direction X. The pusher 41 and the groove 1141 slide and cooperate along the second direction X, so that the pusher 41 slides relative to the receiving seat 11 along the second direction X.

[0049] Both the pushing member 41 and the receiving seat 11 have placement grooves 115 on their opposite sides, and the placement grooves 115 of the pushing member 41 and the receiving seat 11 together form a receiving space (not shown in the figure), within which the pushing elastic member 42 is disposed. For example, the pushing elastic member 42 is a spring. When the pushing elastic member 42 is slid away from the positioning part 111, both ends of the pushing elastic member 42 abut against the inner end walls of the placement grooves 115 on the receiving seat 11 and the inner end walls of the placement grooves 115 on the pushing member 41, respectively, causing the pushing elastic member 42 to undergo elastic compression deformation. This results in the pushing elastic member 42 exerting a force on the pushing member 41 towards the positioning part 111. At this time, a gap is created between the pushing member 41 and the positioning part 111 to accommodate the material 2000 (see figure). Figure 2 After the material 2000 is installed into the positioning part 111, the pusher 41 is released, and the pusher elastic member 42 can move the pusher 41 toward the positioning part 111, so that the pusher 41 and the positioning part 111 respectively abut against the two sides of the material 2000 along the sliding direction of the pusher 41, so that the pusher 41 presses the corresponding part of the material 2000 onto the positioning part 111.

[0050] In some implementations, multiple pushing components 400 are disposed opposite each other on both sides of the positioning portion 111 along the second direction X, and the corresponding pushing members 41 are slidably disposed on the receiving seat 11 along the second direction X; the remaining pushing components 400 are disposed opposite each other on both sides of the positioning portion 111 along the third direction Y, and the corresponding pushing members 41 are slidably disposed on the receiving seat 11 along the third direction Y. The third direction Y is perpendicular to the first direction Z, and the third direction Y intersects with the second direction X. In some embodiments, the third direction Y is perpendicular to the second direction X. The pushing members 41 sliding along the second direction X and the pushing members 41 sliding along the third direction Y respectively cause the corresponding parts on each side of the material 2000 to abut against the positioning portion 111, so that the material 2000 and the positioning portion 111 are fully abutted, thereby constraining the shape of the material 2000, reducing the risk of deformation of the material 2000 during processing or assembly, and improving the yield of the material 2000.

[0051] In other embodiments, the plurality of pushing components 400 may be circumferentially distributed on the receiving seat 11 according to the shape of the positioning part 111 or the material 2000, and the pushing member 41 may be slidably connected to the receiving seat 11 along the radial direction of the distribution circumference. In other embodiments, the plurality of pushing components 400 may also be distributed around the positioning part 111 along an elliptical line or a broken line.

[0052] In some embodiments, the positioning fixture 1000 further includes a drive assembly 500, which is disposed on the receiving seat 11 and configured to drive the push members 41 of the plurality of push assemblies 400 away from the positioning part 111. The drive assembly 500 can drive the plurality of push members 41 away from the positioning part 111, so that the plurality of push members 41 simultaneously form a gap between themselves and the positioning part 111 for placing the material 2000, thereby facilitating quick installation of the material 2000.

[0053] Reference Figure 4 and Figure 6 In some embodiments, the drive assembly 500 includes a drive rod 51 and a sliding rod 52, which are respectively connected to at least one abutment member 41. The drive rod 51 is slidably disposed on the receiving seat 11 along the second direction X, and the sliding rod 52 is slidably disposed on the receiving seat 11 along the third direction Y. In some embodiments, the receiving seat 11 is provided with a second sliding groove 116 along the second direction X and a third sliding groove 117 along the third direction Y, and the third sliding groove 117 is in communication with the second sliding groove 116. The drive rod 51 slides and engages with the second sliding groove 116 along the second direction X, and the sliding rod 52 slides and engages with the third sliding groove 117 along the third direction Y. In some embodiments, both the sliding rod 52 and the driving rod 51 are provided with connecting posts 521, and the pushing member 41 is provided with connecting holes 411. The connecting posts 521 are inserted into the connecting holes 411, so that the pushing member 41 is connected to the corresponding sliding rod 52 or driving rod 51, so that the sliding rod 52 and the driving rod 51 can respectively drive the corresponding pushing member 41 to move.

[0054] The drive rod 51 has a drive surface 511, which is inclined relative to the second direction X; the sliding rod 52 has an abutment portion 522, which abuts against the drive surface 511. In some embodiments, the abutment portion 522 has an abutment surface 5221, which is shaped like the drive surface 511 and abuts against it; exemplaryly, both the drive surface 511 and the abutment surface 5221 are planar, and the abutment surface 5221 is parallel to the drive surface 511. In some embodiments, the drive assembly 500 further includes an operating member 53, which includes an operating part 531, a rotating part 532, and a connecting part 533. The rotating part 532 is rotatably connected to the receiving seat 11, and both the operating part 531 and the connecting part 533 are connected to the rotating part 532; the drive rod 51 has a mating part 512, and the connecting part 533 is configured to push against the mating part 512 when the rotating part 532 rotates, so that the pushing member 41 moves away from the positioning part 111 (see Figure 2 ).

[0055] In some embodiments, the rotating part 532 is generally disc-shaped, the operating part 531 is rod-shaped, and the connecting part 533 is column-shaped; the mating part 512 is a strip-shaped hole, and the length direction of the mating part 512 is arranged along the third direction Y; the connecting part 533 is inserted into the mating part 512. The operating part 531 drives the rotating part 532 to rotate, and the rotating part 532 drives the connecting part 533 to move, so that the connecting part 533 abuts against the inner wall of the mating part 512, so that the connecting part 533 drives the driving rod 51 to move, so that the driving surface 511 moves relative to the abutting part 522 along the second direction X, so that the abutting part 522 moves relative to the driving surface 511, so that the sliding rod 52 slides relative to the receiving seat 11 along the third direction Y, so that the pushing member 41 connected to the driving rod 51 and the pushing member 41 connected to the sliding rod 52 both move. In other embodiments, the driving rod 51 and the sliding rod 52 can also be slidably connected to the receiving seat 11 by a slide rail or guide rail. In some other embodiments, the mating part 512 may be provided on the pushing member 41.

[0056] In some embodiments, the operating member 53 further includes a locking part 534, which may be a ball-and-socket structure such as a positioning ball, ball-head plunger, spring plunger, or spring top ball. The locking part 534 is disposed on the receiving seat 11, and the operating part 531 has a locking groove (not shown) that mates with the ball of the locking part 534. When the operating part 531 rotates to the state where the locking groove mates with the ball of the locking part 534, the ball of the locking part 534 can restrict the rotation of the operating part 531, thereby fixing the operating part 531; by forcefully rotating the operating part 531, the ball of the locking part 534 can retract and disengage from the locking groove, allowing the operating part 531 to rotate. In other embodiments, the locking part 534 may also be a screw or other structural member capable of fixing the operating part 531 or the rotating part 532.

[0057] In some embodiments, the connecting hole 411 is a strip-shaped hole, and the length direction of the connecting hole 411 is arranged along the sliding direction of the corresponding push member 41, so that the push member 41 can slide relative to the connecting part 533. This allows the push member 41 to adaptively adjust its own position according to the size of the material 2000 while the drive rod 51 or the sliding rod 52 remains fixed, so as to compensate for the size error of the material 2000 itself.

[0058] In some embodiments, the maximum distance between the rotation axis of the operating part 531 and the rotation axis of the rotating part 532 along the radial direction of the rotating part 532 is L1, and the maximum distance between the connecting part 533 and the rotation axis of the rotating part 532 along the radial direction of the rotating part 532 is L2. L1 is greater than L2, so that it is easier to move the drive rod 51 through the operating part 531.

[0059] In some other embodiments, the drive rod 51 and the sliding rod 52 may be omitted, and the mating part 512 may be provided on the push member 41. One operating member 53 corresponds to one push member 41, and the corresponding push member 41 can be moved by each operating member 53.

[0060] It is understood that a drive rod 51 can only be connected to one or more push members 41 located on one side of the positioning part 111 along the second direction X, and a sliding rod 52 can only be connected to one or more push members 41 located on one side of the positioning part 111 along the third direction Y. In some embodiments, there is one drive rod 51, two drive surfaces 511, and two sliding rods 52; the two drive surfaces 511 are arranged opposite each other along the third direction Y, one drive surface 511 corresponds to one sliding rod 52, and the two sliding rods 52 are respectively connected to the push members 41 located on both sides of the positioning part 111 along the third direction Y. The sliding rod 52 is connected to the push member 41 located on one side of the positioning part 111 along the second direction X. For ease of description, the push member 41 located on the other side of the positioning part 111 along the second direction X is defined as a push member 43. The positioning fixture 1000 also includes a limiting component 600, which is disposed on the receiving seat 11 (see Figure 2 The limiting component 600 is configured to stop the pusher 43 of the positioning part 111 along the second direction X.

[0061] In some embodiments, the limiting assembly 600 includes a rotating wheel 61 and an operating lever 62. The rotating wheel 61 is located on the side of the pusher 43 away from the positioning part 111 along the second direction X. The rotating wheel 61 is a cam and is rotatably connected to the receiving seat 11. The operating lever 62 is connected to the rotating wheel 61. By rotating the rotating wheel 61 through the operating lever 62, the protrusion of the rotating wheel 61 can push against the pusher 43, causing the pusher 43 to move towards the positioning part 111 along the second direction X, and causing the corresponding pushing elastic member 42 to compress and deform, thereby keeping the pusher 43 in contact with the material 2000. After the operating lever 62 or the rotating wheel 61 is fixed, the rotating wheel 61 can stop the pusher 43 towards the positioning part 111 along the second direction X, so as to constrain the position of the pusher 43 in the second direction X. In other embodiments, the structure of the limiting assembly 600 may be the same as the structure of the operating member 53. In other embodiments, the limiting component 600 may be a stop connected to the receiving seat 11 or other structure capable of stopping the pusher 43.

[0062] In some embodiments, the limiting component 600 further includes a locking member 63, which may be a ball-and-socket structure such as a positioning ball, ball-head plunger, spring plunger, or spring-loaded ball. The locking member 63 is disposed on the receiving seat 11, and the operating lever 62 or the rotating wheel 61 has a mating groove (not shown) that engages with the ball of the locking member 63. When the operating lever 62 rotates to the state where the mating groove engages with the ball of the locking member 63, the ball of the locking member 63 restricts the rotation of the operating lever 62, thereby fixing the operating lever 62; by forcefully rotating the operating lever 62, the ball of the locking member 63 retracts and disengages from the mating groove, allowing the operating lever 62 to rotate. In other embodiments, the locking member 63 may also be a screw or other structural component capable of fixing the operating lever 62 or the rotating wheel 61.

[0063] It is understood that the number of pushing members 41 driven by the drive assembly 500 is not the sum of all pushing members 41; some pushing members 41 are driven by the limiting assembly 600. In other embodiments, the number of pushing members 41 driven by the drive assembly 500 is equal to the sum of all pushing members 41. Exemplarily, the drive assembly 500 includes a plurality of cylinders, the number of which equals the number of pushing members 41, with each cylinder corresponding to at least one pushing member 41, and each cylinder configured to drive the corresponding pushing member 41 to move. By controlling the plurality of cylinders, multiple pushing members 41 can be simultaneously moved away from the positioning part 111 to facilitate the installation of the material 2000. In other embodiments, the drive assembly 500 may also be other structural components capable of driving the movement of multiple pushing members 41.

[0064] Reference Figure 7The pressing assembly 200 includes a pressing frame 21, a pressing element 22, and a pressing elastic element 23. The pressing element 22 is slidably disposed on the pressing frame 21 along a first direction Z. The pressing element 22 is configured to face the stop element 2000 of the receiving seat 11 along the first direction Z. The pressing elastic element 23 connects the pressing element 22 and the pressing frame 21 and is configured to elastically deform when the pressing element 22 moves relative to the pressing frame 21. In some embodiments, the pressing frame 21 and the receiving seat 11 are spaced apart along the first direction Z, and the pressing frame 21 is located on the side of the receiving seat 11 where the positioning part 111 is provided. In other embodiments, the pressing frame 21 may also be disposed on the side of the receiving seat 11 opposite to the positioning part 111.

[0065] Reference Figure 3 and Figure 7 In some implementations, multiple pressure members 22 and pressure elastic members 23 are provided, with each pressure member 22 corresponding to at least one pressure elastic member 23, and the multiple pressure members 22 are distributed among the pressure members 22. For ease of description, the multiple pressure members 22 are respectively defined as the first pressure member 22, the second pressure member 22, and the third pressure member 22. The first pressure member 22 is configured to abut against the first material member 201 of the material member 2000, the second pressure member 22 is configured to abut against the second material member 202 of the material member 2000, and the third pressure member 22 is configured to abut against the connection point of the first material member 201 and the second material member 202. By having the first pressing member 22, the second pressing member 22, and the third pressing member 22 abut against the first material 201 or the second material 202 respectively, all parts of the first material 201 and the second material 202 can be kept in contact with the positioning part 111, thereby reducing the risk of deformation of the first material 201 or the second material 202 during processing or assembly.

[0066] In some embodiments, the pressure frame 21 is provided with a sliding hole 211 and an abutment plate 212. The pressure member 22 is slidably disposed in the sliding hole 211 along the first direction Z. The pressure member 22 is provided with a limiting part 221. The pressure frame 21 is provided with a stop part 213. The abutment plate 212, the limiting part 221, and the stop part 213 are arranged sequentially along the first direction Z. In some embodiments, the abutment plate 212 is connected to the pressure frame 21 by screws. In some embodiments, the pressure member 22 is provided with a mounting groove 222 on the side facing the abutment plate 212. The pressure elastic member 23 is a spring. One end of the pressure elastic member 23 is inserted into the mounting groove 222, and the other end of the pressure elastic member 23 abuts against the abutment plate 212, such that both ends of the pressure elastic member 23 abut against the pressure member 22 and the abutment plate 212, respectively. The stop part 213 is configured to stop the limiting part 221 of the abutment plate 212 along the first direction Z. The sliding hole 211 guides the pressure member 22, improving the stability of the sliding of the pressure member 22 relative to the pressure frame 21. At the same time, the limiting part 221 restricts the range of movement of the pressure member 22 relative to the pressure frame 21, keeping the pressure member 22 connected to the pressure frame 21.

[0067] In some embodiments, the stop portion 213 is a groove configured to receive the limiting portion 221. During the movement of the pressure member 22 relative to the pressure frame 21, the limiting portion 221 can be accommodated within the groove, thereby increasing the range of movement of the pressure member 22 relative to the pressure frame 21. In other embodiments, the stop portion 213 may also be a block structure abutting against the limiting portion 221 or other structures capable of stopping the limiting portion 221.

[0068] Reference Figure 2 and Figure 7 After the pressing component 22 comes into contact with the material 2000, the pressing frame 21 is moved and the pressing frame 21 is fixed to the receiving seat 11 by the locking component 300. During this process, the pressing elastic component 23 can undergo elastic deformation to reduce the force exerted by the pressing component 22 on the material 2000. This reduces the risk of damage or deformation to the material 2000 and improves the yield of the material 2000.

[0069] Reference Figure 4 and Figure 8In some embodiments, the locking assembly 300 includes a rotating member 31, a supporting member 32, and a mating member 33. The rotating member 31 is rotatably connected to the receiving seat 11, the supporting member 32 is connected to the rotating member 31, and the mating member 33 and the positioning part 111 are located on the same side of the receiving seat 11 along the first direction Z. The mating member 33 is connected to the pressure frame 21. After the pressure member 22 presses the material 2000, the rotating member 31 is rotated, and the rotating member 31 drives the supporting member 32 to move to the side of the mating member 33 away from the receiving seat 11, so that the supporting member 32 and the mating member 33 abut against the side of the mating member 33 along the first direction Z away from the receiving seat 11, so that the pressure elastic member 23 maintains elastic deformation, thereby keeping the supporting member 32 and the mating member 33 in contact, so that the pressure frame 21 and the receiving seat 11 remain relatively fixed. In some embodiments, the mating member 33 and the pressure frame 21 are an integral structure. Figure 8 The longer dotted straight line is used to separate the mating part 33 from the pressure rack 21.

[0070] In some embodiments, the rotating member 31 may also be rotatably connected to the pressure frame 21, and the corresponding mating member 33 may be connected to the receiving seat 11. In other embodiments, the locking assembly 300 may also be a bolt or other structural member capable of connecting the pressure frame 21 and the receiving seat 11.

[0071] In some embodiments, the supporting member 32 includes a rotating portion 321 and a supporting portion 322, wherein the rotating portion 321 is rotatably connected to the rotating member 31, and the supporting portion 322 is connected to the rotating portion 321. In some embodiments, the supporting portion 322 and the rotating portion 321 are an integral structure. Figure 8 The shorter dashed line in the middle is used to separate the rotating part 321 and the supporting part 322.

[0072] In other embodiments, the abutment portion 522 is welded to, snapped into, or fixedly connected to the rotating portion 321 by screws.

[0073] After the abutment 32 moves to the side of the mating member 33 away from the receiving seat 11, the rotating part 321 is rotated. The rotating part 321 drives the abutment 322 to move between the rotating part 321 and the mating member 33 and abut against the mating member 33, causing the mating member 33 to move towards the receiving seat 11. This causes the pressure frame 21 to move further relative to the receiving seat 11, causing the pressure elastic member 23 to undergo further elastic deformation, so that the mating member 33 and the abutment 322 remain tightly abutted. In some embodiments, the mating member 33 is provided with a limiting groove 331 on the side of the mating member 33 away from the receiving seat 11 along the first direction Z. The limiting groove 331 is configured to accommodate at least a portion of the abutment 322. The limiting groove 331 can constrain the position of the supporting part 322 relative to the mating part 33, so that the supporting part 322 and the mating part 33 are stably connected, thereby improving the stability of the contact between the supporting part 322 and the mating part 33 and reducing the risk of the supporting part 322 disengaging from the mating part 33, thereby improving the stability of the pressure frame 21 fixed relative to the receiving seat 11.

[0074] Furthermore, those skilled in the art should recognize that the above embodiments are merely illustrative of this application and are not intended to limit this application. Any appropriate changes and variations made to the above embodiments within the essential spirit and scope of this application fall within the scope of this application's disclosure.

Claims

1. A positioning jig for positioning a workpiece; characterized by, The positioning jig comprises: a receiving assembly comprising a receiving seat provided with a positioning portion configured to receive or insert the material piece along a first direction and allow the material piece to abut against the receiving seat, the positioning portion being configured to constrain the material piece in a plane perpendicular to the first direction; a pressing assembly comprising a pressing frame, a pressing piece and a pressing elastic piece, the pressing piece being slidingly arranged in the pressing frame along the first direction and configured to stop the material piece from moving towards the receiving seat along the first direction, the pressing elastic piece connecting the pressing piece and the pressing frame and being configured to elastically deform when the pressing piece moves relative to the pressing frame; and a locking assembly connecting the pressing frame and the receiving seat and configured to constrain the relative position between the pressing frame and the receiving seat along the first direction.

2. The positioning jig according to claim 1, wherein The positioning jig further comprises a plurality of pushing assemblies arranged around the positioning portion, each of the pushing assemblies comprising a pushing piece and a pushing elastic piece, the pushing piece being slidingly arranged in the receiving seat along a sliding direction perpendicular to the first direction, the pushing piece and the positioning portion being configured to abut against two sides of the material piece along the sliding direction respectively, and the pushing elastic piece connecting the pushing piece and the receiving seat and being configured to provide the pushing piece with an elastic force along the sliding direction and towards the positioning portion.

3. The positioning fixture of claim 2, wherein The positioning jig further comprises a driving assembly arranged in the receiving seat and configured to drive the pushing pieces of the pushing assemblies away from the positioning portion.

4. The positioning fixture of claim 3, wherein The driving assembly comprises a driving rod and a sliding rod, the driving rod and the sliding rod being connected to at least one of the pushing pieces respectively, the driving rod being slidingly arranged in the receiving seat along a second direction, and the sliding rod being slidingly arranged in the receiving seat along a third direction, the second direction and the third direction intersecting each other and being both perpendicular to the first direction, the driving rod being provided with a driving surface, the sliding rod being provided with an abutting portion abutting against the driving surface, and the driving surface being inclined relative to the second direction.

5. The positioning jig according to claim 3 or 4, characterized by The driving assembly comprises an operating piece comprising an operating portion, a rotating portion and a connecting portion, the rotating portion being rotatably connected to the receiving seat, and the operating portion and the connecting portion being connected to the rotating portion, the maximum distance between the operating portion and the rotating axis of the rotating portion along the radial direction of the rotating portion being L1, the maximum distance between the connecting portion and the rotating axis of the rotating portion along the radial direction of the rotating portion being L2, and the L1 being greater than the L2, the pushing piece being provided with a matching portion, and the connecting portion being configured to push the matching portion when the rotating portion rotates, so as to drive the pushing piece away from the positioning portion. The positioning jig further comprises a plurality of pushing assemblies arranged around the positioning portion, each of the pushing assemblies comprising a pushing piece and a pushing elastic piece, the pushing piece being slidingly arranged in the receiving seat along a sliding direction perpendicular to the first direction, the pushing piece and the positioning portion being configured to abut against two sides of the material piece along the sliding direction respectively, and the pushing elastic piece connecting the pushing piece and the receiving seat and being configured to provide the pushing piece with an elastic force along the sliding direction and towards the positioning portion. The positioning jig further comprises a driving assembly arranged in the receiving seat and configured to drive the pushing pieces of the pushing assemblies away from the positioning portion. The driving assembly comprises a driving rod and a sliding rod, the driving rod and the sliding rod being connected to at least one of the pushing pieces respectively, the driving rod being slidingly arranged in the receiving seat along a second direction, and the sliding rod being slidingly arranged in the receiving seat along a third direction, the second direction and the third direction intersecting each other and being both perpendicular to the first direction, the driving rod being provided with a driving surface, the sliding rod being provided with an abutting portion abutting against the driving surface, and the driving surface being inclined relative to the second direction. The driving assembly comprises an operating piece comprising an operating portion, a rotating portion and a connecting portion, the rotating portion being rotatably connected to the receiving seat, and the operating portion and the connecting portion being connected to the rotating portion, the maximum distance between the operating portion and the rotating axis of the rotating portion along the radial direction of the rotating portion being L1, the maximum distance between the connecting portion and the rotating axis of the rotating portion along the radial direction of the rotating portion being L2, and the L1 being greater than the L2, the pushing piece being provided with a matching portion, and the connecting portion being configured to push the matching portion when the rotating portion rotates, so as to drive the pushing piece away from the positioning portion.

6. The positioning fixture of claim 1, wherein The locking assembly comprises a rotating member, an abutting member and a matching member, the rotating member is rotationally connected with the receiving seat, the abutting member is connected with the rotating member, the matching member is located on the same side of the receiving seat along the first direction as the positioning part, the matching member is connected with the pressing frame, and the abutting member is configured to abut against one side of the matching member away from the receiving seat along the first direction.

7. The positioning fixture of claim 6, wherein The abutting member comprises a rotating part and an abutting part, the rotating part is rotationally connected with the rotating member, and the abutting part is connected with the rotating part; when the rotating part is rotated, the abutting part can be moved to between the rotating part and the matching member and abut against one side of the matching member away from the receiving seat along the first direction.

8. The positioning fixture of claim 7, wherein, One side of the matching member away from the receiving seat along the first direction is provided with a limiting groove configured to accommodate at least part of the abutting part.

9. The positioning fixture of claim 1, wherein The pressing frame is provided with a sliding hole and an abutting plate, the pressing member is slidably arranged in the sliding hole along the first direction, the pressing member is provided with a limiting part, the pressing frame is provided with a stop part, and the abutting plate, the limiting part and the stop part are sequentially arranged along the first direction; two ends of the pressing elastic member respectively abut against the pressing member and the abutting plate, and the stop part is configured to stop the limiting part along the first direction towards the abutting plate.

10. The positioning fixture of claim 9, wherein, The stop part is a groove, and the stop part is configured to accommodate the limiting part.

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