Knife locking seat capable of locking knife handles of various specifications

Abstract

The utility model discloses a cutter locking seat capable of locking cutter handles of various specifications, and belongs to the technical field of cutter locking seats. Comprising a seat body, a circumferential limiter, a lower locking sleeve and an upper locking sleeve, the seat body comprises a cylinder seat with a hollow top, and a through hole is formed in the bottom of the cylinder seat; an annular plate base is fixed to the top of the cylinder base through bolts. The circumferential limiter comprises a hinge seat fixed to the top face of the annular plate seat, the hinge seat is hinged to a cutter handle lock through a pin shaft, and the cutter handle lock is clamped to a positioning clamping groove of the cutter handle. The lower locking sleeve is movably embedded in the lower portion of the inner side of the cylinder base, and the bottom of the cylinder base is connected with a plurality of upper jacking bolts in a screwed mode. A reducing through hole is formed in the center of the lower locking sleeve; the upper locking sleeve is arranged at the upper part of the inner side of the cylinder seat; the upper locking sleeve comprises a first semi-cylindrical block and a second semi-cylindrical block, according to the tool locking seat capable of locking the tool handles of various specifications, the locking height of the tool handles can be adjusted, and the outer walls of the tool handles can be prevented from being scratched.

Description

Technical Field

[0001] The utility model specifically relates to a knife locking seat which can lock knife handles of various specifications and belongs to the technical field of knife locking seats. Background Art

[0002] During the operation of CNC machine tools, various specifications of tools are required, and the tool handles are generally fixedly installed on the corresponding tool locking seats so that the CNC machine tools can automatically change tools; the existing tool locking seats can usually only meet the clamping requirements of tool handles of one specification. If tools of different specifications need to be clamped, tool locking seats of different specifications need to be replaced, which not only increases the cost, but also repeatedly replaces the tool locking seats, which will lead to a decrease in the working efficiency of the CNC machine tools; for this reason, Chinese Patent Publication No.: CN218169462U discloses a tool locking seat that can lock tool handles of various specifications. The tool locking seat of this structure can achieve the purpose of adapting one tool locking seat to tool handles of various specifications, which not only saves costs, but also improves the working efficiency of the CNC machine tools; but the tool locking seat is prone to cause circumferential and axial scratches on the tool handle during locking of the tool handle, and the locking height of the tool handle cannot be adjusted. Utility Model Content

[0003] In order to solve the above problems, the utility model proposes a knife locking seat which can lock knife handles of various specifications, can adjust the locking height of the knife handle, and can avoid scratching the outer wall of the knife handle.

[0004] The utility model discloses a knife lock seat capable of locking knife handles of various specifications, comprising:

[0005] The seat body comprises a hollow cylinder seat at the top, a through hole is provided at the bottom of the cylinder seat, a disc seat is integrally formed at the bottom of the cylinder seat, a plurality of long through holes are provided on the disc seat, and a ring plate seat is fixed to the top of the cylinder seat by bolts;

[0006] A circumferential limiter, the circumferential limiter comprises a hinge seat fixed to the top surface of the ring plate seat, the hinge seat is hinged with a handle lock via a pin, and the handle lock is clamped to the positioning slot of the handle;

[0007] A lower locking sleeve, wherein the lower locking sleeve is movably embedded in the lower inner part of the cylinder seat, and a plurality of top bolts are screwed on the bottom of the cylinder seat; a reduced diameter through hole is opened at the center of the lower locking sleeve;

[0008] An upper locking sleeve, which is arranged on the upper inner part of the cylinder seat; the upper locking sleeve comprises a first semi-cylindrical block and a second semi-cylindrical block, the inner surfaces of the first semi-cylindrical block and the second semi-cylindrical block are semi-circular pier-shaped slope surfaces; a circumferential groove body is provided on the outside of the first semi-cylindrical block and the second semi-cylindrical block, an arc plate is movably embedded in the inner side of the circumferential groove body, and a sliding column is integrally formed in the middle part of the arc plate; a radial hole body is provided on the cylinder seat; the sliding column movably penetrates the radial hole body; a nut body is welded on the outside of the cylinder seat facing the radial hole body; an adjusting bolt is screwed on the nut body; the adjusting bolt is tightened against the sliding column.

[0009] The seat body serves as a bearing body of the lower locking sleeve and the upper locking sleeve, the upper locking sleeve slides radially on the seat body, and the lower locking sleeve slides axially on the seat body, and the tool handle is clamped by the cooperation of the lower locking sleeve and the upper locking sleeve; when clamping, the tool handle is movably engaged with the reduced diameter through hole, and the lower locking sleeve is driven upward and downward by rotating the upper push bolt to complete the height adjustment of the tool handle installation position. After the adjustment is completed, the adjusting bolt is rotated to tighten the sliding column through the adjusting bolt, and the sliding column slides along the radial hole body, and then the first semi-cylindrical block and the second semi-cylindrical block are driven to approach each other through the sliding column and the arc plate; the outer wall of the tool handle is clamped by the semi-circular pier-shaped slope surface on the inner surface of the first semi-cylindrical block and the second semi-cylindrical block; the axial limit of the tool handle is realized; finally, the tool handle is circumferentially limited by the circumferential limiter, specifically: the tool handle lock head is rotated toward the inner side of the seat body, and the tool handle lock head is engaged with the positioning groove of the tool handle to complete the circumferential limit of the tool handle.

[0010] Furthermore, a plurality of holes are formed at the bottom of the lower locking sleeve, and the upper push bolts are embedded in the inner sides of the holes; the cooperation between the upper push bolts and the holes can prevent the lower locking sleeve from sliding circumferentially.

[0011] Furthermore, it also includes a right-angle seat, the top of which is integrally formed with a U-shaped seat; a slot is provided on the inner side of the U-shaped seat; the disc seat is movably inserted into the inner side of the slot; a limit clamping hole is provided on the U-shaped seat opposite to the long through hole; a limit pin is inserted into the inner side of the long through hole and the limit clamping hole; the right-angle seat is fixed on the desktop, the U-shaped seat is engaged with the disc seat, and is limited by the limit pin; the right-angle seat can support the U-shaped seat, so that the seat body is in a hollow shape, which is convenient for rotating the top bolt for rotation adjustment.

[0012] Furthermore, rubber plates are bonded to the inner surfaces of the first semi-cylindrical block and the second semi-cylindrical block, and the outer wall of the handle is pressed and bitten by the rubber plates, so that the axial position of the handle can be limited.

[0013] Furthermore, the front end of the adjusting bolt is integrally formed with an extension portion, which is movably embedded in the inner side of the sliding column and tightened against the sliding column. The extension portion and the sliding column are movably engaged, and when the adjusting bolt and the nut body are screwed together, the first semi-cylindrical block and the second semi-cylindrical block can be pushed inward or outward toward each other.

[0014] Compared with the prior art, the utility model is a knife lock holder that can lock knife handles of various specifications. It adopts a smooth reduced-diameter through hole inside the lower locking sleeve to receive the knife handle, and fits tightly with the outer wall of the round mound-shaped knife handle. Then the outer part of the knife handle is bitten by the upper locking sleeve. When pressed, it is covered with a rubber plate. Finally, the knife handle locking head is engaged with the positioning groove of the knife handle to achieve circumferential limitation. In this way, the knife handle is locked and scratches on the outer wall of the knife handle can be avoided. Finally, the locking height of the knife handle can be adjusted according to needs by adjusting the upper bolt. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of the knife lock seat of the utility model.

[0016] Figure 2 It is a schematic diagram of the installation structure of the knife locking seat and the right-angle seat of the utility model.

[0017] Figure 3 It is a schematic diagram of the installation structure of the first semi-cylindrical block, the second semi-cylindrical block and the rubber plate of the utility model.

[0018] Figure numerals: 1. cylinder seat, 2. disc seat, 3. long through hole, 4. ring plate seat, 5. hinged seat, 6. handle lock, 7. lower locking sleeve, 8. upper bolt, 9. reduced diameter through hole, 10. first semi-cylindrical block, 11. second semi-cylindrical block, 12. slope, 13. arc plate, 14. sliding column, 15. radial hole body, 16. nut body, 17. adjusting bolt, 18. right-angle seat, 19. U-shaped seat, 20. limit card hole, 21. rubber plate. DETAILED DESCRIPTION

[0019] Example:

[0020] like Figures 1 to 3 The knife lock seat shown can lock various specifications of knife handles, including:

[0021] The seat body comprises a hollow cylinder seat 1 at the top, a through hole is provided at the bottom of the cylinder seat 1; a disc seat 2 is integrally formed at the bottom of the cylinder seat 1; a plurality of long through holes 3 are provided on the disc seat 2; a ring plate seat 4 is fixed to the top of the cylinder seat 1 by bolts;

[0022] A circumferential limiter, the circumferential limiter comprises an articulated seat 5 fixed to the top surface of the ring plate seat 4, the articulated seat 5 is hinged with a knife handle lock 6 through a pin, and the knife handle lock 6 is clamped to the positioning slot of the knife handle;

[0023] A lower locking sleeve 7, wherein the lower locking sleeve 7 is movably embedded in the lower inner part of the cartridge seat 1, and a plurality of top bolts 8 are screwed to the bottom of the cartridge seat 1; a reduced diameter through hole 9 is provided at the center of the lower locking sleeve 7;

[0024] An upper locking sleeve is arranged on the upper inner part of the cartridge seat 1; the upper locking sleeve comprises a first semi-cylindrical block 10 and a second semi-cylindrical block 11, the inner surfaces of the first semi-cylindrical block 10 and the second semi-cylindrical block 11 are semi-circular pier-shaped slope surfaces 12; a circumferential groove is provided on the outside of the first semi-cylindrical block 10 and the second semi-cylindrical block 11, an arc plate 13 is movably embedded in the inner side of the circumferential groove, and a sliding column 14 is integrally formed in the middle of the arc plate 13; a radial hole 15 is provided on the cartridge seat 1; the sliding column 14 movably penetrates the radial hole 15; a nut body 16 is welded on the outside of the cartridge seat 1 opposite to the radial hole 15; an adjusting bolt 17 is screwed on the nut body 16; the adjusting bolt 17 is pressed against the sliding column 14.

[0025] The seat body serves as a carrier of the lower locking sleeve 7 and the upper locking sleeve. The upper locking sleeve slides radially on the seat body, and the lower locking sleeve 7 slides axially on the seat body. The tool handle is clamped by the cooperation of the lower locking sleeve 7 and the upper locking sleeve. When clamping, the tool handle is movably engaged with the reduced diameter through hole 9, and the lower locking sleeve 7 is driven upward and downward by rotating the upper push bolt 8 to complete the height adjustment of the tool handle installation position. After the adjustment is completed, the adjusting bolt 17 is rotated to tighten the sliding column 14 through the adjusting bolt 17, and the sliding column 14 moves radially The hole body 15 slides, and then the first semi-cylindrical block 10 and the second semi-cylindrical block 11 are driven to approach each other through the sliding column 14 and the arc plate 13; the outer wall of the tool handle is clamped by the semi-circular pier-shaped slope surface 12 on the inner surface of the first semi-cylindrical block 10 and the second semi-cylindrical block 11; the axial limitation of the tool handle is achieved; finally, the tool handle is limited circumferentially by the circumferential limiter, specifically: the tool handle lock head 6 is rotated toward the inner side of the seat body, and the tool handle lock head 6 is engaged with the positioning groove of the tool handle to complete the circumferential limitation of the tool handle.

[0026] The bottom of the lower locking sleeve 7 is provided with a plurality of holes, and the upper push bolts 8 are embedded in the inner sides of the holes. The cooperation between the upper push bolts 8 and the holes can prevent the lower locking sleeve 7 from sliding circumferentially.

[0027] It also includes a right-angle seat 18, and a U-shaped seat 19 is integrally formed on the top of the right-angle seat 18; a slot is provided on the inner side of the U-shaped seat 19; the disk seat 2 is movably inserted into the inner side of the slot; a limit clamping hole 20 is provided on the U-shaped seat 19 opposite to the long through hole 3; a limit pin is inserted into the inner side of the long through hole 3 and the limit clamping hole 20; the right-angle seat 18 is fixed on the desktop, the U-shaped seat 19 is engaged with the disk seat 2, and is limited by the limit pin; the right-angle seat 18 can support the U-shaped seat 19, so that the seat body is in a hollow state, which is convenient for rotating the top bolt 8 for rotation adjustment.

[0028] The inner surfaces of the first semi-cylindrical block 10 and the second semi-cylindrical block 11 are bonded with a rubber plate 21 , and the outer wall of the handle is pressed and bitten by the rubber plate 21 , so that the axial position of the handle can be limited.

[0029] The front end of the adjusting bolt 17 is integrally formed with an extension portion, which is movably embedded in the inner side of the sliding column 14 and is tightened against the sliding column 14. The extension portion and the sliding column 14 are movably engaged. When the adjusting bolt 17 and the nut body 16 are screwed together, the first semi-cylindrical block 10 and the second semi-cylindrical block 11 can be pushed inward or outward toward each other.

[0030] The above embodiments are only preferred implementations of the present invention, so any equivalent changes or modifications made according to the structures, features and principles described in the scope of application of the present invention are included in the scope of application of the present invention.

Claims

1. A knife lock seat capable of locking knife handles of various specifications, characterized in that: include: The seat body comprises a hollow cylinder seat at the top, a through hole is provided at the bottom of the cylinder seat, a disc seat is integrally formed at the bottom of the cylinder seat, a plurality of long through holes are provided on the disc seat, and a ring plate seat is fixed to the top of the cylinder seat by bolts; A circumferential limiter, the circumferential limiter comprises a hinge seat fixed to the top surface of the ring plate seat, the hinge seat is hinged with a knife handle lock via a pin, and the knife handle lock is clamped to the positioning slot of the knife handle; A lower locking sleeve, wherein the lower locking sleeve is movably embedded in the lower inner part of the cylinder seat, and a plurality of top bolts are screwed on the bottom of the cylinder seat; a reduced diameter through hole is opened at the center of the lower locking sleeve; An upper locking sleeve, which is arranged on the upper inner part of the cylinder seat; the upper locking sleeve comprises a first semi-cylindrical block and a second semi-cylindrical block, the inner surfaces of the first semi-cylindrical block and the second semi-cylindrical block are semi-circular pier-shaped slope surfaces; a circumferential groove body is provided on the outside of the first semi-cylindrical block and the second semi-cylindrical block, an arc plate is movably embedded in the inner side of the circumferential groove body, and a sliding column is integrally formed in the middle part of the arc plate; a radial hole body is provided on the cylinder seat; the sliding column movably penetrates the radial hole body; a nut body is welded on the outside of the cylinder seat facing the radial hole body; an adjusting bolt is screwed on the nut body; the adjusting bolt is tightened against the sliding column.

2. The knife lock seat capable of locking knife handles of various specifications according to claim 1, characterized in that: The bottom of the lower locking sleeve is provided with a plurality of holes, and the upper push bolts are embedded in the inner sides of the holes.

3. The knife lock seat capable of locking knife handles of various specifications according to claim 1, characterized in that: It also includes a right-angle seat, the top of which is integrally formed with a U-shaped seat; a slot is provided on the inner side of the U-shaped seat; the disc seat is movably inserted into the inner side of the slot; a limit clamping hole is provided on the U-shaped seat opposite to the long through hole; a limit pin is inserted into the inner side of the long through hole and the limit clamping hole; and the right-angle seat is fixed on the desktop.

4. The knife lock seat capable of locking knife handles of various specifications according to claim 1, characterized in that: Rubber plates are bonded to the inner surfaces of the first semi-cylindrical block and the second semi-cylindrical block.

5. The knife lock seat capable of locking knife handles of various specifications according to claim 1, characterized in that: The front end of the adjusting bolt is integrally formed with an extension portion, and the extension portion is movably embedded in the inner side of the sliding column and is tightly pressed against the sliding column.

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