Claw pulling device for tool presetting instrument

Abstract

The utility model discloses a pull claw device for a cutter presetting instrument, which belongs to the technical field of cutter presetting instruments and comprises a workbench, a detection component and a fixing component. The fixing assembly comprises a fixing main shaft, an air cylinder is installed on the inner wall of the lower end of the fixing main shaft, a traction rod is arranged above the air cylinder, a connecting mechanism is arranged between the output end of the air cylinder and the traction rod, and the other end of the traction rod is connected with a traction element. A mounting mechanism is arranged between the traction element and the traction rod, an annular groove is formed in the surface of the traction element, four groups of pull claws are arranged in the annular groove, one ends of the four groups of pull claws are connected with O-shaped rings, and the four groups of pull claws are fixedly connected with a concave-convex collet through the O-shaped rings; according to the utility model, the pull claw and the concave-convex collet chuck are matched for use, so that the internal space of the fixed column shaft can be effectively saved, and the production cost of the device can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of tool presetting instruments, in particular to a claw pulling device used for a tool presetting instrument. Background Art

[0002] Tool measurement is part of precision machining. The main function of the tool presetter is to measure the actual length and diameter of a mounted tool. However, the existing ISO30 claws on the market are integrated claw structures, so the spindle must be machined with enough cavity space inside to allow the claw to move during production.

[0003] For example, a Chinese patent application number CN216607265U discloses a device for automatically adjusting the height of a tool for a tool presetter, comprising a frame, a first mounting plate fixedly mounted on the bottom of the front side of the frame, a synchronous wheel A rotatably connected to the bottom end of the first mounting plate, a rotating rod rotatably connected to the center of the synchronous wheel A, a tool fixedly mounted on the bottom end of the rotating rod through the first mounting plate, a camera fixedly mounted on one side of the inner wall of the frame, a second mounting plate fixedly mounted on the top of the front side of the frame, and a sleeve connected to the middle of the second mounting plate.

[0004] The device for automatically adjusting the tool height of the tool presetter in the above-mentioned patent also has a structure in which the claw and the collet are not designed separately, resulting in that sufficient space must be reserved inside the spindle for the claw to move, which increases the processing cost. Therefore, we need to propose a claw device for the tool presetter. Utility Model Content

[0005] The utility model aims to provide a claw device for a tool presetter, which has a structure designed as a split claw to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a claw device for a tool presetter, comprising a workbench, a detection component for presetting the tool is arranged on one side of the upper end of the workbench, and a fixing component for fixing the tool is fixedly installed on the other side of the upper end of the workbench;

[0007] The fixing assembly includes a fixing spindle fixedly mounted on one end of the top of the workbench, a cylinder is fixedly mounted on the inner wall of the lower end of the fixing spindle, a traction rod is arranged at the corresponding position above the cylinder, a connecting mechanism is arranged between the output end of the cylinder and one end of the traction rod, one end of the traction rod is connected to the output end of the cylinder through the connecting mechanism, a traction element is connected to the other end of the traction rod, a mounting mechanism is arranged between one end of the traction element and one end of the traction rod, an annular groove is provided on the surface of the traction element, four groups of pulling claws are adapted to be arranged inside the annular groove, one end of the four groups of pulling claws and located inside the annular groove are adapted to be connected with an O-ring, and the four groups of pulling claws are fixedly connected with concave and convex collet clamps through the O-ring.

[0008] Preferably, the connecting mechanism includes a connecting block fixedly mounted on the output end of the cylinder, a connecting hole is penetrated through one side of the connecting block, the connecting hole is adaptively arranged to one end of the traction rod, and one end of the traction rod is slidably connected to the inner cavity of the connecting hole.

[0009] Preferably, connecting plates are provided inside the connecting block and on both sides of the connecting hole, two groups of telescopic springs are fixedly installed between one side of the two groups of connecting plates and the inner walls at both ends of the connecting block, and two groups of limit rods are fixedly installed on the other side of the two groups of connecting plates.

[0010] Preferably, the connection mechanism further comprises two groups of limiting grooves opened on the surface of one end of the traction rod, the limiting grooves are arranged corresponding to the limiting rods, and the four groups of limiting rods are respectively slidably connected to the inner cavities of the two groups of limiting grooves.

[0011] Preferably, the mounting mechanism comprises a threaded hole opened at one end of the traction rod, a threaded rod is adapted to be arranged inside the threaded hole, and one end of the threaded rod is threadably connected to the inside of the threaded hole.

[0012] Preferably, the mounting mechanism further comprises a mounting hole extending through one end of the traction element, the mounting hole and the threaded rod are adapted to be arranged, and the bottom end of the threaded rod is plugged into an inner cavity of the mounting hole.

[0013] Preferably, the detection component includes a support column fixedly mounted on one end of the top of the workbench, a slide groove is opened on one side of the support column, a screw rod is rotatably connected inside the slide groove, one end of the screw rod passes through one end of the slide groove and extends to the top of the support column where a motor is fixedly mounted.

[0014] Preferably, a slider is adapted to be provided inside the slide groove, one end of the slider is threadedly connected to the surface of the screw rod, and one end of the slider is slidably connected to the inner cavity of the slide groove through the screw rod, and a camera is fixedly installed on the other end of the slider.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model uses the pulling claws in coordination with the concave-convex collet. The pulling claws are designed to be split, and then four groups of pulling claws are fixed to the surface of the concave-convex collet by using O-rings, thereby effectively saving space inside the fixed column shaft and reducing the production cost of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the utility model in a front view;

[0019] Figure 3 This is a schematic diagram of the internal parts structure of the fixed spindle of the utility model;

[0020] Figure 4 This is a schematic diagram of the exploded structure of the parts of the fixed spindle of the utility model;

[0021] Figure 5 It is a structural schematic diagram of the connection mechanism of the utility model.

[0022] In the figure: 1. workbench; 2. fixed spindle; 3. cylinder; 4. traction rod; 5. connecting mechanism; 501. connecting block; 502. connecting hole; 503. connecting plate; 504. telescopic spring; 505. limiting rod; 506. limiting groove; 6. traction element; 7. mounting mechanism; 701. threaded hole; 702. threaded rod; 703. mounting hole; 8. annular groove; 9. pulling claw; 10. O-ring; 11. concave and convex collet; 12. supporting column; 13. slide groove; 14. screw rod; 15. motor; 16. slider; 17. camera. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-5The utility model provides a technical solution: a claw device for a tool presetter, comprising a workbench 1, a detection component and a fixing component.

[0025] Preferably, a detection component for pre-adjusting and detecting the tool is provided on one side of the upper end of the workbench 1 , and a fixing component for fixing the tool is fixedly installed on the other side of the upper end of the workbench 1 .

[0026] Preferably, the fixing assembly includes: a fixed spindle 2, a cylinder 3, a traction rod 4, a connecting mechanism 5, a traction element 6, a mounting mechanism 7, an annular groove 8, a pulling claw 9, an O-ring 10 and a concave-convex collet 11. The fixed spindle 2 is fixedly mounted on one end of the top of the workbench 1, the inner wall of the lower end of the fixed spindle 2 is fixedly mounted with a cylinder 3, a traction rod 4 is arranged at a corresponding position above the cylinder 3, a connecting mechanism 5 is arranged between the output end of the cylinder 3 and one end of the traction rod 4, and one end of the traction rod 4 is connected to the cylinder 3 through the connecting mechanism 5. The output end of the cylinder 3 is connected, and the other end of the traction rod 4 is connected to a traction element 6. A mounting mechanism 7 is provided between one end of the traction element 6 and one end of the traction rod 4. The traction element 6 is fixedly installed on one end of the traction rod 4 through the mounting mechanism 7. An annular groove 8 is provided on the surface of the traction element 6. Four groups of pulling claws 9 are adapted to be arranged inside the annular groove 8. One end of the four groups of pulling claws 9 and the inside of the annular groove 8 are adapted to be connected with an O-ring 10. The four groups of pulling claws 9 are fixedly connected with a concave and convex collet 11 through the O-ring 10.

[0027] Specifically, through the coordinated use of the cylinder 3, the traction rod 4, the connecting mechanism 5, the traction element 6, the mounting mechanism 7, the annular groove 8, the claw 9, the O-ring 10 and the concave-convex collet 11, the traction element 6 is first fixed to one end of the traction rod 4 through the mounting mechanism 7, and the four sets of claws 9 are fixed to the concave-convex collet 11 through the O-ring 10, and then one end of the traction rod 4 is connected to the cylinder 3, and the cylinder 3 carries the traction element 6, the claw 9, the O-ring 10 and the concave-convex collet 11 installed on the traction rod 4 to make up and down reciprocating motions. The claw 9 was initially designed to take into account the internal conical structure of the fixed spindle 2, so a 135° angle was designed at the top of the claw 9. When the structure moves downward, the conical surface of the pulling claw 9 will gather the four groups of separate pulling claws 9 due to the influence of the conical surface inside the fixed main shaft 2, thereby realizing the function of tightening the concave-convex collet 11. By designing four groups of separate pulling claws 9 and customizing the concave-convex collet 11, the space inside the fixed main shaft 2 can be saved, and the cost of device production can also be reduced.

[0028] Preferably, the connecting mechanism 5 comprises: a connecting block 501, a connecting hole 502, a connecting plate 503, a telescopic spring 504, a limiting rod 505 and a limiting groove 506. The connecting block 501 is fixedly installed at the output end of the cylinder 3. A connecting hole 502 is provided on one side of the connecting block 501. The connecting hole 502 is adapted to one end of the traction rod 4. One end of the traction rod 4 is slidably connected to the inner cavity of the connecting hole 502. The interior of the connecting block 501 and the connecting hole are located Connecting plates 503 are provided on both sides of 502, and two groups of telescopic springs 504 are fixedly installed between one side of the two groups of connecting plates 503 and the inner walls at both ends of the connecting block 501, and two groups of limiting rods 505 are fixedly installed on the other side of the two groups of connecting plates 503. Two groups of limiting grooves 506 are respectively opened on the surface of one end of the traction rod 4, and the limiting grooves 506 are correspondingly arranged with the limiting rods 505, and the four groups of limiting rods 505 are respectively slidably connected to the inner cavities of the two groups of limiting grooves 506.

[0029] Preferably, the mounting mechanism 7 includes: a threaded hole 701, a threaded rod 702 and a mounting hole 703. The threaded hole 701 is opened at one end of the traction rod 4. The interior of the threaded hole 701 is adapted to be provided with a threaded rod 702. One end of the threaded rod 702 is connected to the internal thread of the threaded hole 701. The mounting hole 703 is opened through one end of the traction element 6. The mounting hole 703 and the threaded rod 702 are adapted to be provided, and the bottom end of the threaded rod 702 is plugged into the inner cavity of the mounting hole 703.

[0030] Preferably, the detection component includes: a support column 12, a slide groove 13, a screw rod 14, a motor 15, a slider 16 and a camera 17. The support column 12 is fixedly installed at one end of the top of the workbench 1. A slide groove 13 is opened on one side of the support column 12. The slide groove 13 is internally rotatably connected with the screw rod 14. One end of the screw rod 14 passes through one end of the slide groove 13 and extends to the top of the support column 12 where the motor 15 is fixedly installed. A slider 16 is adapted to be arranged inside the slide groove 13. One end of the slider 16 is threadedly connected to the surface of the screw rod 14, and one end of the slider 16 is slidably connected to the inner cavity of the slide groove 13 through the screw rod 14. The other end of the slider 16 is fixedly installed with a camera 17.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A claw device for a tool presetter, characterized in that: It comprises a workbench (1), wherein a detection component for pre-adjusting and detecting a tool is arranged on one side of the upper end of the workbench (1), and a fixing component for fixing the tool is fixedly installed on the other side of the upper end of the workbench (1); The fixing assembly comprises a fixing spindle (2) fixedly mounted on one end of the top of the workbench (1); a cylinder (3) is fixedly mounted on the inner wall of the lower end of the fixing spindle (2); a traction rod (4) is arranged at a corresponding position above the cylinder (3); a connecting mechanism (5) is arranged between the output end of the cylinder (3) and one end of the traction rod (4); one end of the traction rod (4) is connected to the output end of the cylinder (3) through the connecting mechanism (5); and the other end of the traction rod (4) is connected to the output end of the cylinder (3) through the connecting mechanism (5); A traction element (6) is connected, and a mounting mechanism (7) is arranged between one end of the traction element (6) and one end of the traction rod (4). An annular groove (8) is provided on the surface of the traction element (6), and four groups of pulling claws (9) are adapted to be arranged inside the annular groove (8). One end of the four groups of pulling claws (9) and located inside the annular groove (8) are adapted to be connected with an O-ring (10), and the four groups of pulling claws (9) are fixedly connected with a concave and convex collet (11) through the O-ring (10).

2. A claw device for a tool presetter according to claim 1, characterized in that: The connection mechanism (5) comprises a connection block (501) fixedly mounted on the output end of the cylinder (3); a connection hole (502) is formed through one side of the connection block (501); the connection hole (502) is matched with one end of the traction rod (4); and one end of the traction rod (4) is slidably connected to the inner cavity of the connection hole (502).

3. A claw device for a tool presetter according to claim 2, characterized in that: Connecting plates (503) are provided inside the connecting block (501) and on both sides of the connecting hole (502); two groups of telescopic springs (504) are fixedly installed between one side of the two groups of connecting plates (503) and the inner walls at both ends of the connecting block (501); and two groups of limiting rods (505) are fixedly installed on the other side of the two groups of connecting plates (503).

4. A claw device for a tool presetter according to claim 3, characterized in that: The connection mechanism (5) further comprises two groups of limiting grooves (506) formed on the surface of one end of the traction rod (4); the limiting grooves (506) are arranged corresponding to the limiting rods (505), and the four groups of limiting rods (505) are respectively slidably connected to the inner cavities of the two groups of limiting grooves (506).

5. The claw device for a tool presetter according to claim 1, characterized in that: The mounting mechanism (7) comprises a threaded hole (701) opened at one end of the traction rod (4), a threaded rod (702) is adapted to be arranged inside the threaded hole (701), and one end of the threaded rod (702) is threadedly connected to the inside of the threaded hole (701).

6. A claw pulling device for a tool presetter according to claim 5, characterized in that: The mounting mechanism (7) further comprises a mounting hole (703) extending through one end of the traction element (6); the mounting hole (703) and the threaded rod (702) are arranged to be compatible with each other, and the bottom end of the threaded rod (702) is plugged into the inner cavity of the mounting hole (703).

7. The claw device for a tool presetter according to claim 1, characterized in that: The detection component comprises a support column (12) fixedly mounted on one end of the top of the workbench (1), a slide groove (13) is provided on one side of the support column (12), a screw rod (14) is rotatably connected inside the slide groove (13), one end of the screw rod (14) passes through one end of the slide groove (13) and extends to the top of the support column (12) where a motor (15) is fixedly mounted.

8. The claw device for a tool presetter according to claim 7, characterized in that: A slider (16) is adapted to be arranged inside the slide groove (13), one end of the slider (16) is threadedly connected to the surface of the screw rod (14), and one end of the slider (16) is slidably connected to the inner cavity of the slide groove (13) through the screw rod (14), and a camera (17) is fixedly installed on the other end of the slider (16).

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