Manual zero-point quick-change plate

Abstract

The utility model relates to a manual zero-point quick-change plate. Comprising a tray clamp, a zero-point quick-change plate and a locking bolt, a positioning blind rivet is arranged at the bottom of the tray clamp, a clamping cavity is formed in the zero-point quick-change plate, a positioning pin hole communicated with the clamping cavity is formed in the upper end face of the zero-point quick-change plate, the positioning blind rivet is arranged in the positioning pin hole in a matched mode and extends into the clamping cavity, and a clamping assembly is arranged in the clamping cavity; the locking bolt is screwed on the outer side wall of the zero-point quick-change plate and penetrates into the clamping cavity, the tail end of the locking bolt abuts against the clamping assembly, and the clamping assembly is meshed with the positioning blind rivet in the screwing process of the locking bolt. According to the utility model, the positioning blind rivets on the tray clamp are embedded into the positioning pin holes in the zero-point quick-change plate for pre-positioning, then the clamping assemblies in the clamping cavities are ejected out by screwing the locking bolts, and the tail ends of the positioning blind rivets in the clamping cavities are engaged, so that quick disassembly and quick assembly are realized, zero-point calibration is not needed, and the loading time is shortened.

Description

Technical Field

[0001] This utility model belongs to the field of fixture equipment technology, specifically relating to a manual zero-point quick-change plate. Background Technology

[0002] In the current machinery processing industry, operators often need to stop the processing equipment before they can operate it to process raw materials / clamps and other materials. Currently, most equipment used is the vise jaw, which requires high operator skill, carries a high risk of improper clamping, resulting in low product qualification rates, excessive clamping time, and reduced equipment uptime. Utility Model Content

[0003] To solve the above-mentioned technical problems, this utility model provides a manual zero-point quick-change plate. By pre-positioning the positioning pull stud on the pallet clamp into the positioning pin hole on the zero-point quick-change plate, and then by tightening the locking bolt, the clamping component in the clamping cavity is pushed out, and the end of the positioning pull stud in the clamping cavity is engaged, thereby realizing quick disassembly and quick assembly without the need for zero-point calibration, reducing loading time.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0005] A manual quick-change plate includes a pallet clamp, a quick-change plate, and a locking bolt. The bottom of the pallet clamp is provided with a positioning pull stud. The quick-change plate has a clamping cavity. The upper surface of the quick-change plate has a positioning pin hole communicating with the clamping cavity. The positioning pull stud is engaged in the positioning pin hole and extends into the clamping cavity. A clamping assembly is provided in the clamping cavity. The locking bolt is screwed onto the outer wall of the quick-change plate and passes through the clamping cavity. The end of the locking bolt abuts against the clamping assembly. The clamping assembly engages with the positioning pull stud during the tightening of the locking bolt.

[0006] The clamping assembly includes a first sliding block, a second sliding block, and a third sliding block. The clamping cavity is a U-shaped structure formed by the first, second, and third sliding grooves being interconnected end-to-end. The end of the locking bolt passes through the first sliding groove and is rotatably connected to the first sliding block within the first sliding groove. The other end of the first sliding block abuts against the second sliding block within the second sliding groove, and the other end of the second sliding block abuts against the third sliding block. The engagement head at the other end of the third sliding block engages with the positioning pull pin inserted into the third sliding groove. The third sliding block, the third sliding groove, and the positioning pin hole each include two sets. The two sets of the third sliding block, the third sliding groove, and the positioning pin hole are distributed left and right with the second sliding groove as the center of symmetry. The two sets of the third sliding groove and the second sliding groove form a T-shaped structure and a branch. The branch includes two sets and is symmetrical left and right with the first sliding groove as the center of symmetry. The other end of the first sliding block is provided with a first wedge that engages with the first groove on the second sliding block, and the other end of the second sliding block is provided with a second wedge that engages with the second groove on the third sliding block.

[0007] The manual zero-point quick-change plate with this structure loads the pallet fixture by engaging the round boss on the positioning rivet at the bottom of the pallet fixture with the positioning pin hole on the zero-point quick-change plate. The top of the positioning rivet boss and the pallet fixture are locked together with grommets. In use, the part blank or fixture needs to be installed onto the pallet fixture, and then the positioning rivet at the bottom of the pallet fixture is engaged with the positioning pin hole on the zero-point quick-change plate to lock it in place. This ensures that the machined part or blank is always zero-point using the pallet fixture after installation. The zero-point quick-change plate remains fixed during subsequent loading, and replacement can be done using the pallet fixture without the need for subsequent zero-point calibration.

[0008] In order to secure the round boss on the positioning rivet by tightening the locking bolt, the first sliding block is pushed into the first groove during the tightening process. The first wedges on both ends of the first sliding block, pushed forward, engage with the first slots on the second sliding blocks in the symmetrically distributed second grooves on both sides. As the inclined wedges move forward, they gradually push open the two sets of second sliding blocks. In one branch, after the second sliding block is pushed, the second wedges at its ends engage with the second slots on the third sliding blocks in the symmetrically distributed third grooves on both sides. As the inclined wedges move forward, they gradually push open the two sets of third sliding blocks, thus... The engagement head at the end of the three sliding blocks engages with the round boss on the positioning pull stud. Therefore, during the tightening of the locking bolt, the sequential linkage of the first, second, and third sliding blocks engages the four positioning pull studs in the four positioning pin holes, thereby fixing the pallet clamp. During the reversal and loosening of the locking bolt, due to the cooperation between the first slot and the first wedge, and the second slot and the second wedge, the end of the locking bolt remains in the first sliding block and rotates in place during the reversal. As the locking bolt is gradually tightened outward, it pulls the first sliding block outward, thereby causing the second sliding block to retract as well. Finally, due to the linkage, the engagement head disengages from the positioning pull stud.

[0009] The first sliding block is provided with an embedded groove at the connection point with the locking bolt. The end of the locking bolt is provided with a frustum. After the frustum is embedded in the groove, it is limited within the groove, so that the locking bolt can only rotate axially after being embedded, but cannot be freed from the groove's constraint by lateral displacement. Therefore, it can be ensured that the first sliding block can be driven during the rotation of the locking bolt.

[0010] Furthermore, the clamping cavity is a downward-opening cavity structure, and the clamping assembly also includes a locking cover, which closes to the lower opening of the clamping cavity and abuts against the first slide groove, the second slide groove, and the third slide groove.

[0011] Compared with the prior art, the advantages of this utility model are as follows: by cooperating with the round boss on the positioning pull stud at the bottom of the pallet clamp and the positioning pin hole on the zero point quick change plate, it can be ensured that the machined parts or blanks after installation are all based on the pallet clamp as the zero point. During subsequent loading, the zero point quick change plate remains fixed, and the pallet clamp can be replaced without subsequent zero point calibration. During the tightening of the locking bolt, the first sliding block, the second sliding block and the third sliding block are linked in sequence to engage the four positioning pull studs in the four positioning pin holes, thereby achieving the effect of fixing the pallet clamp. Attached Figure Description

[0012] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0013] Figure 1 This is a top perspective view of the present invention;

[0014] Figure 2 This is a bottom-view perspective view of the present invention;

[0015] Figure 3 This is a top-view explosion diagram of the present invention;

[0016] Figure 4 This is a bottom-view explosion diagram of the present invention;

[0017] Figure 5 This is a bottom view of the concealed lock cover of this utility model;

[0018] Figure 6 This is an exploded view of the clamping component of this utility model.

[0019] The components include: 1. Pallet clamp; 11. Positioning rivet; 2. Zero-point quick-change plate; 21. Clamping cavity; 211. First slide groove; 212. Second slide groove; 213. Third slide groove; 22. Positioning pin hole; 23. Clamping assembly; 231. First sliding block; 2311. First wedge; 2312. Groove; 232. Second sliding block; 2321. First slot buckle; 2322. Second wedge; 233. Third sliding block; 2331. Engaging head; 2332. Second slot buckle; 234. Locking cover; 3. Locking bolt; 31. Frustum. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0021] The specific embodiments of this utility model will now be described with reference to the accompanying drawings:

[0022] like Figure 1-6As shown, a manual quick-change plate includes a pallet clamp 1, a quick-change plate 2, and a locking bolt 3. The bottom of the pallet clamp 1 is provided with a positioning pull stud 11. The quick-change plate 2 is provided with a clamping cavity 21. The upper end surface of the quick-change plate 2 is provided with a positioning pin hole 22 communicating with the clamping cavity 21. The positioning pull stud 11 is engaged in the positioning pin hole 22 and extends into the clamping cavity 21. The clamping cavity 21 is provided with a clamping assembly 23. The locking bolt 3 is screwed onto the outer wall of the quick-change plate 2 and passes through the clamping cavity 21. The end of the locking bolt 3 abuts against the clamping assembly 23. The clamping assembly 23 engages with the positioning pull stud 11 during the tightening of the locking bolt 3.

[0023] The clamping assembly 23 includes a first sliding block 231, a second sliding block 232, and a third sliding block 233. The clamping cavity 21 is a U-shaped structure formed by the first sliding groove 211, the second sliding groove 212, and the third sliding groove 213 connected end to end. The end of the locking bolt 3 passes through the first sliding groove 211 and is rotatably connected to the first sliding block 231 within the first sliding groove 211. The other end of the first sliding block 231 abuts against the second sliding block 232 within the second sliding groove 212. The other end of the second sliding block 232 abuts against the third sliding block 233. The engagement head 2331 at the other end of the third sliding block 233 engages with the positioning pull stud 11 inserted into the third sliding groove 213. The third sliding block 233, the third sliding groove 213, and the positioning pin hole 22 each include two sets. The two sets of the third sliding block 233, the third sliding groove 213, and the positioning pin hole 22 are distributed to the left and right with the second sliding groove 212 as the center of symmetry. The two sets of the third sliding groove 213 and the second sliding groove 212 form a T-shaped structure and form a branch. The branch includes two sets and is symmetrical to the left and right with the first sliding groove 211 as the center of symmetry. The other end of the first sliding block 231 is provided with a first oblique wedge 2311 that cooperates with the first groove buckle 2321 on the second sliding block 232. The other end of the second sliding block 232 is provided with a second oblique wedge 2322 that cooperates with the second groove buckle 2332 on the third sliding block 233.

[0024] Furthermore, the clamping cavity 21 is a downward-opening cavity structure, and the clamping assembly 23 also includes a locking cover 234, which covers the lower opening of the clamping cavity 21 and abuts against the first slide groove 211, the second slide groove 212 and the third slide groove 213.

[0025] Description of the working principle of this utility model:

[0026] The manual zero-point quick-change plate with this structure loads the pallet clamp 1 by engaging the round boss on the positioning rivet 11 at the bottom of the pallet clamp 1 with the positioning pin hole 22 on the zero-point quick-change plate 2. The top of the boss on the positioning rivet 11 and the pallet clamp 1 are locked together with a nut screw. When in use, the part blank or clamp needs to be installed on the pallet clamp 1, and then the positioning rivet 11 at the bottom is engaged with the positioning pin hole 22 on the zero-point quick-change plate 2 to lock it in place. This ensures that the machined part or blank is zeroed with the pallet clamp 1 as the zero point after installation. The zero-point quick-change plate 2 remains fixed during subsequent loading, and the pallet clamp 1 can be used for replacement without subsequent zero-point calibration.

[0027] In order to engage and fix the round boss on the positioning rivet 11 after tightening the locking bolt 3, the first sliding block 231 is pushed into the first slide groove 211 during the tightening of the locking bolt 3. The first wedges 2311 on the left and right ends of the first sliding block 231, pushed forward, are respectively embedded in the first slot buckles 2321 on the second sliding blocks 232 in the second slide grooves 212 symmetrically distributed on the left and right ends. As the inclined first wedges 2311 are pushed forward, they gradually push open the two sets of second sliding blocks 232. In one of the branch sections, after the second sliding block 232 is pushed, the second wedges 2322 on the left and right ends of its end are respectively embedded in the second slot buckles 2332 on the third sliding blocks 233 in the third slide grooves 213 symmetrically distributed on the left and right ends. As the inclined second wedges 2322 are pushed forward, they gradually push open the two sets of third sliding blocks 233, so that the first sliding block 2322... The engagement head 2331 at the end of the three sliding blocks 233 engages with the round boss on the positioning pull stud 11. Therefore, during the tightening of the locking bolt 3, the four positioning pull studs 11 in the four positioning pin holes 22 are engaged through the sequential linkage of the first sliding block 231, the second sliding block 232 and the third sliding block 233, thereby achieving the effect of fixing the pallet clamp 1. During the process of the locking bolt 3 being loosened by reversing, due to the cooperation between the first slot buckle 2321 and the first wedge 2311, and the second slot buckle 2332 and the second wedge 2322, the end of the locking bolt 3 remains in the first sliding block 231 and rotates in place during the reversal. As the locking bolt 3 is gradually tightened outward, it will pull the first sliding block 231 outward, thereby causing the second sliding block 232 to retract as well. Finally, due to the linkage, the engagement head 2331 disengages from the positioning pull stud 11.

[0028] The first sliding block 231 is connected to the locking bolt 3 at a location with an embedded groove 2312. The end of the locking bolt 3 has a frustum 31. After the frustum 31 is embedded in the groove 2312, it is constrained within the groove, allowing the locking bolt 3 to rotate only axially. However, it cannot disengage from the groove 2312 during lateral displacement. Therefore, the first sliding block 231 can be driven during the rotation of the locking bolt 3. To facilitate assembly and disassembly, the clamping... Cavity 21 is designed as a downward-opening cavity structure, allowing for the sequential connection of the first sliding block 231, the second sliding block 232, and the third sliding block 233. In particular, the groove 2312 on the first sliding block 231 can be reverse-fitted onto the frustum 31 at the end of the locking bolt 3. The surface of the first sliding groove 211 abuts against the groove 2312, thereby limiting the position of the frustum 31. After the mating connection is completed, the locking cover 234 is closed and locked at the lower opening of the clamping cavity 21, thus completing the assembly of the zero-point quick-change plate 2.

[0029] The beneficial effects of this utility model are as follows: by cooperating with the round boss on the positioning pull stud 11 at the bottom of the pallet clamp 1 and the positioning pin hole 22 on the zero point quick change plate 2, it can be ensured that the machined parts or blanks after installation are all based on the pallet clamp 1 as the zero point. During subsequent loading, the zero point quick change plate 2 remains fixed, and the pallet clamp 1 can be replaced without subsequent zero point calibration. During the tightening of the locking bolt 3, the first sliding block 231, the second sliding block 232 and the third sliding block 233 are linked in sequence to engage the four positioning pull studs 11 in the four positioning pin holes 22, thereby achieving the effect of fixing the pallet clamp 1.

[0030] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A manual zero-point quick-change plate, characterized in that: The device includes a pallet clamp, a quick-change plate, and a locking bolt. The bottom of the pallet clamp is provided with a positioning pull stud. The quick-change plate has a clamping cavity. The upper surface of the quick-change plate has a positioning pin hole that communicates with the clamping cavity. The positioning pull stud is fitted into the positioning pin hole and extends into the clamping cavity. The clamping cavity is provided with a clamping assembly. The locking bolt is screwed onto the outer wall of the quick-change plate and passes through the clamping cavity. The end of the locking bolt abuts against the clamping assembly. The clamping assembly engages with the positioning pull stud during the tightening of the locking bolt.

2. The manual zero-point quick-change plate according to claim 1, characterized in that: The clamping assembly includes a first sliding block, a second sliding block, and a third sliding block. The clamping cavity is a U-shaped structure formed by the first sliding groove, the second sliding groove, and the third sliding groove being connected end to end. The end of the locking bolt passes through the first sliding groove and is rotatably connected to the first sliding block in the first sliding groove. The other end of the first sliding block abuts against the second sliding block in the second sliding groove. The other end of the second sliding block abuts against the third sliding block. The engagement head at the other end of the third sliding block engages with the positioning pull stud that passes through the third sliding groove.

3. The manual zero-point quick-change plate according to claim 2, characterized in that: The third sliding block, the third sliding groove, and the positioning pin hole are all divided into two sets. The two sets of the third sliding block, the third sliding groove, and the positioning pin hole are distributed to the left and right with the second sliding groove as the center of symmetry. The two sets of the third sliding groove and the second sliding groove form a T-shaped structure and form a branch.

4. The manual zero-point quick-change plate according to claim 3, characterized in that: The branch section comprises two groups, which are symmetrical about the left and right sides with the first slide as the center of symmetry.

5. The manual zero-point quick-change plate according to claim 4, characterized in that: The other end of the first sliding block is provided with a first oblique wedge that engages with the first groove on the second sliding block, and the other end of the second sliding block is provided with a second oblique wedge that engages with the second groove on the third sliding block.

6. The manual zero-point quick-change plate according to claim 5, characterized in that: The clamping cavity is a downward-opening cavity structure. The clamping assembly also includes a locking cover, which closes to the lower opening of the clamping cavity and abuts against the first slide groove, the second slide groove, and the third slide groove.

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