Quick production changing device for positioning tool

Abstract

The utility model discloses a rapid production changing device for a positioning tool, and relates to the technical field of tool clamps. The production changing device comprises a base, a supporting seat, a supporting table, a tensioning sleeve and a pull rod, the supporting seat is arranged at the top of the base, and the pull rod penetrates through the supporting seat and the base. The supporting table is arranged outside the supporting seat in a sleeving mode and detachably and fixedly connected with the top of the base. The supporting seat comprises a base and a connecting part, the connecting part is conical and is located at the top of the base, and the connecting part is sleeved with the tensioning sleeve; the top of the pull rod is provided with a pull rod head, and the top of the tensioning sleeve abuts against the bottom of the pull rod head. According to the clamping tool, the first tensioning sleeve is matched with the connecting part, workpieces of different models are clamped through expansion and contraction deformation of the first tensioning sleeve, the application range is wide, the tedious process of frequently switching the clamping tool is avoided, the operation steps are simplified, and the production efficiency is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to tooling fixture technical field especially relates to a positioning tooling quick change device. BACKGROUND

[0002] With the continuous improvement of factory production level, technology, the convenient and fast, high-precision requirements of the use of related tools are also constantly improving. In the processing process, due to the fast processing speed of workpieces, high accuracy and frequent replacement are required, so that the tooling is quickly and accurately positioned to quickly enter the processing state. However, due to the large number of models of workpieces, each model requires corresponding tooling for clamping, resulting in a large number of toolings, high cost, not only inconvenient to manage, but also causing cumbersome switching operation, reducing processing efficiency. SUMMARY

[0003] In view of the above problems that the number of toolings for clamping is large, the cost is high, and the switching operation is frequent and cumbersome, reducing the processing efficiency when processing multiple models of workpieces, the utility model provides a positioning tooling quick change device.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme:

[0005] A positioning tooling quick change device includes a base, a support seat, a support table, a tension sleeve and a pull rod, the support seat is arranged on the top of the base, the support seat and the base have a coaxial through connecting hole therebetween, and the pull rod is arranged in the connecting hole; the support table is sleeved outside the support seat and is detachably fixedly connected with the top of the base; the support seat includes a base and a connecting part, the connecting part is conical and located on the top of the base, and the tension sleeve is sleeved on the connecting part; the top of the pull rod has a pull rod head, and the top of the tension sleeve abuts against the bottom of the pull rod head; the tension sleeve has elasticity, and the pull rod changes position by moving up and down under the action of external force to realize the expansion and contraction deformation of the tension sleeve.

[0006] Further, the top of the base has a groove, the bottom of the base protrudes downwardly with a protruding block, the protruding block is arranged in the groove, and the base is connected with the base by a plurality of bolts.

[0007] Further, the groove surrounds the connecting hole of the base.

[0008] Further, one side of the connecting part profile is inclined outwardly from top to bottom.

[0009] Further, the tightening sleeve comprises a first tightening sleeve and a second tightening sleeve, the inner wall of the first tightening sleeve is trumpet-shaped, and the inner wall gradually expands outward from top to bottom, the first tightening sleeve is in contact with the connecting part, and the second tightening sleeve is sleeved on the first tightening sleeve and connected with the first tightening sleeve.

[0010] Further, the first tightening sleeve and the second tightening sleeve are both circular tubes, the upper side and the lower side of the first tightening sleeve and the second tightening sleeve each have a plurality of inwardly extending notches, the notches on the upper side and the notches on the lower side are staggered, and the end of each notch is communicated with a through hole.

[0011] Further, the outer wall and the inner wall of the second tightening sleeve each have a plurality of U-shaped grooves penetrating in the up-down direction, the U-shaped grooves on the outer wall and the U-shaped grooves on the inner wall are staggered, the notches on the upper side are located in the U-shaped grooves on the outer wall, and the notches on the lower side are located in the U-shaped grooves on the inner wall.

[0012] Further, the upper part of the inner wall of the first tightening sleeve has an outwardly recessed clamping groove, and the rod head is arranged in the clamping groove to drive the first tightening sleeve to move.

[0013] Further, the lower side of the rod is provided with a key groove in the up-down direction, one side of the base is provided with a limiting hole communicated with the key groove, the limiting hole is provided with a limiting screw, the end of the limiting screw is located in the key groove and relatively moves along the key groove.

[0014] Further, a backing plate is arranged, the backing plate is annular, is sleeved on the lower outer side of the second tightening sleeve, is located on the top of the supporting table, has a plurality of countersunk screw holes on the backing plate, and the backing plate is detachably connected with the supporting table through a plurality of countersunk bolts.

[0015] The utility model discloses the beneficial effect is: the utility model discloses through the first tightening sleeve and the connecting part cooperation, utilize the first tightening sleeve to expand, the deformation of shrinkage is used to hold the workpiece of different models, and the application range is wide, and the frequent switching of clamping tooling and the cumbersome replacement process are avoided, and the operation step is simplified, and the production efficiency is effectively improved. The utility model discloses through setting up the second tightening sleeve outside the first tightening sleeve, is used to even by the tension of the first tightening sleeve and the connecting part, guarantees the stress balance of workpiece, avoids damaging workpiece in the processing process, guarantees the product quality of workpiece. ACCURACY OF DRAWINGS

[0016] Figure 1 The structure principle schematic diagram of one embodiment of the utility model is shown.

[0017] Figure 2 The structure principle schematic diagram of one embodiment of the utility model is shown. Figure 1 The top view of the utility model is shown.

[0018] Figure 3 shown is Figure 2 a sectional view at A in the middle.

[0019] Figure 4 shown is Figure 1 an exploded view.

[0020] Figure 5 shown is Figure 4 a front view.

[0021] Figure 6 shown is a structural schematic view of the first tension sleeve.

[0022] Figure 7 shown is a structural schematic view of the second tension sleeve.

[0023] BRIEF DESCRIPTION OF DRAWINGS 1, base; 2, support seat; 201, base; 202, connecting part; 3, support table; 4, pad plate; 5, pull rod; 501, pull rod head; 6, first tension sleeve; 601, clamping groove; 7, second tension sleeve; 8, limiting screw; 9, key groove; 10, notch; 11, workpiece. DETAILED DESCRIPTION

[0024] The utility model discloses a positioning frock quick change production device, and the following will make specific description to one implementation mode of the utility model in combination with the drawings.

[0025] As Figure 1 shown, a positioning frock quick change production device includes base 1, support seat 2, support table 3, tension sleeve and pull rod 5, support seat 2 is arranged at the top of base 1, and base 1 and support seat 2 have coaxial through connecting hole between them. The top of base 1 has a recess, and the recess surrounds the connecting hole of base 1. The bottom of base 1 is fixed with a flange. In combination with Figure 4 and Figure 5 shown, support seat 2 includes base 201 and connecting part 202, and the base 201 and connecting part 202 are an integral structure. The connecting part 202 is conical, located at the top of the base 201, and one side of the connecting part 202 is inclined outward from top to bottom in cross section. The bottom of the base 201 protrudes downward with a lug, and the lug surrounds the connecting hole of the base 201. The lug is arranged in the recess, and the base 201 is detachably fixedly connected with the base 1 through a plurality of counterbores and counterbores bolts. The support table 3 is annular, and is adaptively and telescopically arranged on the base 201 and detachably fixedly connected with the base 1 through a plurality of counterbores and counterbores bolts.

[0026] In combination with Figure 6 and Figure 7The first and second expansion sleeves 6, 7 are both in the shape of a circular tube. The upper and lower sides of the first expansion sleeve 6 are each provided with a plurality of inwardly extending notches 10. The notches 10 on the upper side are staggered with the notches 10 on the lower side. The end of each notch 10 is provided with a through hole. The inner wall of the first expansion sleeve 6 is provided with an outwardly recessed clamping groove 601 at the upper portion. The outer wall and the inner wall of the second expansion sleeve 7 are each provided with a plurality of U-shaped grooves extending in the upward and downward directions. The U-shaped grooves on the outer wall are staggered with the U-shaped grooves on the inner wall. The U-shaped grooves are used to avoid affecting the expansion and contraction deformation due to the thickness of the second expansion sleeve 7. The upper and lower sides of the second expansion sleeve 7 are each provided with a plurality of inwardly extending notches 10. The notches 10 on the upper side are located in the U-shaped grooves on the outer wall, and the notches 10 on the lower side are located in the U-shaped grooves on the inner wall. The end of each notch 10 is provided with a through hole.

[0027] In combination Figure 2 and Figure 3 The pull rod 5 is arranged in the connecting hole of the support seat 2 and the base 1 and penetrates the support seat 2 and the base 1 coaxially. The top edge of the pull rod 5 is provided with an outwardly extending pull rod head 501, which is arranged in the clamping groove 601 of the first expansion sleeve 6. The bottom of the pull rod 5 is connected with the air cylinder. The air cylinder serves as an external force to drive the pull rod 5 to move up and down. The left and right sides of the lower portion of the pull rod 5 are each provided with a key groove 9 extending in the upward and downward directions. The left and right sides of the base 1 are each provided with a limiting hole in communication with the key groove 9. A limiting screw 8 is arranged in the limiting hole. The limiting screw 8 is approximately perpendicular to the key groove 9. The end of the limiting screw 8 is arranged in the key groove 9 and moves relatively along the key groove 9. The limiting screw 8 is used to avoid the rotation of the pull rod 5 during the upward and downward movement.

[0028] After the installation of each component is completed, the workpiece 11 is sleeved outside the second expansion sleeve 7, the cylinder is contracted to drive the pull rod 5 to move downward along the fixed hole, and the pull rod head 501 of the pull rod 5 pulls the first expansion sleeve 6 downward, when the first expansion sleeve 6 moves downward along the inclined surface in contact with the connecting portion 202, the second expansion sleeve 7 is driven at the same time, the two sides of the gap 10 of the first expansion sleeve 6 and the second expansion sleeve 7 gradually move away, the expansion of the first expansion sleeve 6 and the second expansion sleeve 7 is realized. The second expansion sleeve 7 is in contact with and extruded by the inner wall of the workpiece 11, and is used for realizing the clamping action of the workpiece 11. The second expansion sleeve 7 is used for uniformly distributing the tension generated between the first expansion sleeve 6 and the connecting portion 202, and ensures that the workpiece 11 is balanced in force. When it is necessary to clamp workpieces 11 of different models, the cylinder is extended to drive the pull rod 5 to move upward along the fixed hole, so that the pull rod 5 and the first expansion sleeve 6 are reset. Then the workpieces 11 of different models are sleeved outside the second expansion sleeve 7, and the cylinder is contracted to repeat the above process to clamp the workpieces 11 of different models again. The backing plate 4 has a limiting function, which avoids excessive expansion of the first expansion sleeve 6 and the second expansion sleeve 7 under the action of the cylinder, avoids damage, and effectively prolongs the service life.

[0029] Of course, the above description is not a limitation of the utility model, and the utility model is not limited to the above examples. Changes, modifications, additions or replacements made by the person skilled in the art within the essential scope of the utility model should also belong to the protection scope of the utility model.

Claims

1. A positioning tool quick change device, characterized in that: The utility model provides a support device, including base (1), support seat (2), support table (3), tight sleeve and pull rod (5), support seat (2) sets up at the top of base (1), support seat (2) with base (1) between with coaxial through connecting hole, pull rod (5) is arranged in connecting hole, support table (3) is set up in support seat (2) outside, and with the detachable fixed connection of the top of base (1), support seat (2) includes base (201) with connecting portion (202), connecting portion (202) is conical, located the top of base (201), tight sleeve is set up on connecting portion (202) with adaptation, the top of pull rod (5) has pull rod head (501), the top of tight sleeve and the bottom of pull rod head (501) abut, tight sleeve has elasticity, pull rod (5) is under the action of external force through the position transformation of up and down, to realize the deformation of tight sleeve expansion, contraction.

2. The quick changeover device of claim 1, wherein: The top of base (1) has a groove, the bottom of base (201) protrudes a lug downward, the lug is arranged in the groove, and the base (201) is connected with the base (1) by a plurality of bolts.

3. The quick changeover device of claim 2, wherein: The groove surrounds the connecting hole of the base (1).

4. The quick changeover device of claim 1, wherein: The connecting portion (202) is inclined outward from top to bottom on one side of the cross section.

5. The quick changeover device of claim 4, wherein: The tight sleeve includes a first tight sleeve (6) and a second tight sleeve (7), the inner wall of the first tight sleeve (6) is trumpet-shaped, and the inner wall gradually expands outward from top to bottom, the first tight sleeve (6) is in contact with the connecting portion (202), and the second tight sleeve (7) is sleeved on the first tight sleeve (6) and connected with the first tight sleeve (6).

6. The quick changeover device of claim 5, wherein: The first tight sleeve (6) and the second tight sleeve (7) are both circular tubes, each of the first tight sleeve (6) and the second tight sleeve (7) has a plurality of inwardly extending notches (10) on the upper side and the lower side, the notches (10) on the upper side and the notches (10) on the lower side are staggered, and the end of each notch (10) is communicated with a through hole.

7. The quick changeover device of claim 6, wherein: The outer wall and the inner wall of the second tight sleeve (7) each have a plurality of U-shaped grooves penetrating in the up-down direction, the U-shaped grooves on the outer wall and the U-shaped grooves on the inner wall are staggered, the notches (10) on the upper side are located in the U-shaped grooves on the outer wall, and the notches (10) on the lower side are located in the U-shaped grooves on the inner wall.

8. The quick changeover device of claim 6, wherein: The upper part of the inner wall of the first tight sleeve (6) has an outwardly recessed clamping groove (601), the pull rod head (501) is arranged in the clamping groove (601), and drives the first tight sleeve (6) to move.

9. The quick changeover device of claim 1, wherein: The lower side of the pull rod (5) is provided with a key groove (9) in the up-down direction, one side of the base (1) has a limiting hole communicated with the key groove (9), the limiting hole is provided with a limiting screw (8), the end of the limiting screw (8) is located in the key groove (9) and relatively moves along the key groove (9).

10. The quick changeover device of claim 5, wherein: The second tension sleeve (7) is provided with a gasket (4) which is annular, is sleeved on the lower outer side of the second tension sleeve (7), is located on the top of the support table (3), has a plurality of countersunk screw holes on the gasket (4), and is detachably connected with the support table (3) through a plurality of countersunk bolts.

Images