CN114043271A

CN114043271A - Cutter clamping mechanism

Info

Publication number: CN114043271A
Application number: CN202111496264.7A
Authority: CN
Inventors: 朱艳; 周文元
Original assignee: Jiangsu Liuyidao Precision Machinery Co ltd
Current assignee: Jiangsu Liuyidao Precision Machinery Co ltd
Priority date: 2021-12-08
Filing date: 2021-12-08
Publication date: 2022-02-15
Anticipated expiration: 2041-12-08
Also published as: CN114043271B

Abstract

The invention discloses a cutter clamping mechanism, belonging to the technical field of cutters; when the traditional cutter clamping mechanism is used for replacing a cutter, an operator needs to hold the cutter with one hand and loosen the clamping mechanism with the other hand, so that the operation difficulty is high and the working efficiency is low; the device comprises a protection box, wherein a central shaft is rotationally arranged in the protection box, and one end of the central shaft penetrates through the protection box; rotatory ring drives the center pin and rotates, the center pin drives the rotation of oval piece, rotate through oval piece, it rotates to drive the connecting axle, the connecting axle drives the connecting plate through the rotary rod and removes, the connecting plate drives the gear through the tooth piece of one side and rotates, the gear drives the column spinner and rotates, the synchronous rotation of bevel gear set of column spinner lower extreme, bevel gear set drives the lead screw and rotates, the piece that moves down moves along the lead screw, the piece that moves down drives the grip block and removes, two grip blocks are to gathering together, make centre gripping groove and cutter outer wall closely laminate, with the cutter rigidity.

Description

Cutter clamping mechanism

Technical Field

The invention relates to the technical field of cutters, in particular to a cutter clamping mechanism.

Background

A tool is a tool used for cutting machining in machine manufacturing, and is also called a cutting tool. Most knives are machine, but also hand-held. Since tools used in machine manufacturing are basically used for cutting metal materials, the term "tool" is generally understood to mean a metal cutting tool. The cutting tools for cutting wood are called woodworking tools. There is also a class of cutters of particular application for geological exploration, well drilling, mine drilling, called mine cutters; in the fields of machining and engineering construction, a circular cutter is often used for cutting and polishing mechanical parts or building materials;

traditional cutter fixture is when changing the cutter, and operating personnel need one hand to hold the cutter, comes not hard up fixture with the other hand, but because the cutter centre gripping all be more tight be difficult to effectual not hard up fixture when actual operation, the operation degree of difficulty is great and work efficiency is comparatively low, for this reason we provide a cutter fixture for solving above-mentioned problem.

Disclosure of Invention

The present invention is directed to a tool clamping mechanism to solve the above problems.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a cutter fixture, includes the protection box, protection box internal rotation is equipped with the center pin, center pin one end passes the protection box, the fixed oval piece that is equipped with on the center pin, the center pin is located oval piece central point and puts, the fixed plate that is equipped with in the protection box, it is equipped with the elevator to slide on the fixed plate, the fixed stopper that is equipped with of elevator lower extreme, the stopper is concave shape, the stopper interpolation is equipped with the cutter, be equipped with rotary mechanism on the fixed plate, be equipped with stop gear in the stopper, center pin one end is equipped with fixed establishment.

As a preferred technical scheme, the rotating mechanism comprises a rotating column, the rotating column penetrates through a fixing plate, the upper end of the rotating column is rotatably connected with the inner part of the upper end of the protection box, a gear is fixedly arranged on the rotating column, the rotating column is located at the center of the gear, connecting shafts are fixedly arranged on two sides of the oval block and located at the edge of the oval block, a rotating rod is rotatably arranged at one end of each connecting shaft, a connecting plate is rotatably arranged at one end, far away from the connecting shaft, of the rotating rod, a tooth block is fixedly arranged on one side, close to the gear, of the connecting plate, and the tooth block is meshed with the gear.

As a preferred technical scheme of the present invention, a bevel gear set is fixedly disposed at a lower end of the rotary column, a lead screw is fixedly disposed at one end of the bevel gear set, an upper moving block is slidably disposed on the fixed plate, a lower moving block is fixedly disposed at a lower end of the upper moving block, the lower moving block is in threaded connection with the lead screw, and the lower moving block and the upper moving block are in an L shape.

According to a preferable technical scheme, one end, far away from the screw rod, of the lower moving block is fixedly provided with a clamping block, one end, far away from the lower moving block, of the clamping block is provided with a clamping groove, and the outer walls of the two sides of the clamping block are attached to the inner wall of the limiting block.

As a preferred technical scheme of the present invention, the upper surface of the fixed plate is provided with a pair of moving grooves, the moving grooves are internally provided with a moving plate in a sliding manner, the upper end of the moving plate is fixedly connected with the lower surface of the connecting plate, the lower end of the moving plate is attached to the inner wall of the moving groove, and the length of the moving plate is equal to the length of the connecting plate.

According to a preferred technical scheme, the limiting mechanism comprises a telescopic groove, a limiting column is arranged in the telescopic groove in a sliding mode, one end, far away from the telescopic groove, of the limiting column is in a circular shape, a first spring is fixedly arranged at the other end of the limiting column, one end, far away from the limiting column, of the first spring is fixedly connected with the telescopic groove, the limiting column is attached to the inner wall of the telescopic groove, and a fixing groove is formed in the limiting block.

As a preferable technical scheme of the invention, supporting plates are fixedly arranged on two sides of the lifting block, a second spring is fixedly arranged on the lower surface of each supporting plate, and the lower end of each second spring is connected with the inner wall of the lower end of the protection box.

As a preferable technical solution of the present invention, the fixing mechanism includes a rotating ring, a central position of the rotating ring is fixedly connected to one end of the central shaft, a rotating handle is fixedly disposed on one side of the rotating ring away from the protection box, the rotating handle is located at an edge position of the rotating ring, circular slots are disposed on both the protection box and the rotating ring, circular insertion rods are inserted into the circular slots, and the circular insertion rods are attached to inner walls of the circular slots.

According to a preferable technical scheme, a rectangular groove is formed in the center of the fixing plate, the lifting block is attached to the inner wall of the rectangular groove, the outer wall of the oval block is attached to the upper surface of the lifting block, the cutter comprises a cutter holder, a cutter handle and a cutter edge, and the cutter holder is attached to the inner wall of the fixing groove.

As a preferable technical scheme of the invention, one end of the connecting plate, which is close to the rotating rod, is provided with a rotating groove, and one end of the rotating rod is rotatably connected with the rotating groove.

Compared with the prior art, the invention has the beneficial effects that:

1. the rotating ring is rotated by holding a rotating handle, the rotating ring drives a central shaft to rotate, the central shaft drives an elliptical block to rotate, the connecting shaft is driven to rotate by the rotation of the elliptical block, the connecting shaft drives a connecting plate to move through a rotating rod, the connecting plate is limited by a moving plate at the lower end, the moving plate moves along a moving groove, the connecting plate drives a gear to rotate through a tooth block at one side, the gear drives a rotating column to rotate, a bevel gear set at the lower end of the rotating column synchronously rotates, a lead screw is driven by the bevel gear set to rotate, one end of the lead screw is positioned inside a lower moving block and is in threaded connection with the lower moving block, the lower moving block moves along the lead screw, the lower moving block is limited by an upper moving block, the upper moving block slides along a groove at the lower surface of a fixed plate, the lower moving block drives clamping blocks to move, the two clamping blocks are gathered together, and the clamping grooves are tightly attached to the outer wall of a cutter, at this moment, the limiting block also moves into the protection box, so that the position of the cutter is fixed, the cutter is convenient to replace, and the working efficiency is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention,

FIG. 2 is a schematic sectional view of the protective case of the present invention,

figure 3 is a schematic view of the structure of the rotating mechanism of the present invention,

figure 4 is a schematic view of the structure of the cutter of the invention,

FIG. 5 is a schematic cross-sectional view of the limiting block of the present invention,

FIG. 6 is an enlarged view of the structure at A in FIG. 5 according to the present invention.

In the figure: 1. a protection box; 11. a central shaft; 12. an elliptical block; 13. a fixing plate; 14. a lifting block; 15. a limiting block; 16. a cutter; 161. a tool apron; 162. a knife handle; 163. a blade; 2. a rotation mechanism; 21. a spin column; 22. a gear; 23. a connecting plate; 24. a tooth block; 25. a connecting shaft; 26. rotating the rod; 3. a bevel gear set; 31. a screw rod; 32. a lower moving block; 33. moving the block upwards; 4. a clamping block; 41. a clamping groove; 5. moving the plate; 51. a moving groove; 6. a limiting mechanism; 61. a telescopic groove; 62. a first spring; 63. a limiting column; 64. fixing grooves; 7. a support plate; 71. a second spring; 8. a fixing mechanism; 81. a rotating ring; 82. rotating the handle; 83. a circular slot; 84. a circular inserted link.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): as shown in figures 1-6, the invention provides a cutter clamping mechanism, which comprises a protective box 1, a central shaft 11 is rotatably arranged in the protective box 1, one end of the central shaft 11 penetrates through the protective box 1, an elliptical block 12 is fixedly arranged on the central shaft 11, the central shaft 11 is positioned at the central position of the elliptical block 12, a fixed plate 13 is fixedly arranged in the protective box 1, a lifting block 14 is slidably arranged on the fixed plate 13, supporting plates 7 are fixedly arranged on two sides of the lifting block 14, a second spring 71 is fixedly arranged on the lower surface of the supporting plate 7, the lower end of the second spring 71 is connected with the inner wall of the lower end of the protective box 1, a limit block 15 is fixedly arranged at the lower end of the lifting block 14, the limit block 15 is concave, a cutter 16 is inserted in the limit block 15, a rectangular groove is arranged at the central position of the fixed plate 13, the lifting block 14 is attached to the inner wall of the rectangular groove, the outer wall of the elliptical block 12 is attached to the upper surface of the lifting block 14, a rotating mechanism 2 is arranged on the fixed plate 13, a limiting mechanism 6 is arranged in a limiting block 15, a fixing mechanism 8 is arranged at one end of a central shaft 11, one end of the central shaft 11 is rotatably connected with the inner wall of a protection box 1, the other end of the central shaft is positioned outside the protection box 1 and is connected with a rotating ring 81, the central shaft 11 and an elliptical block 12 are positioned above a fixing plate 13, the fixing plate 13 enables the upper end of a lifting block 14 to be always attached to the outer wall of the elliptical block 12 through the thrust of a second spring 71, the lifting block 14 penetrates through a rectangular groove, a supporting plate 7 and the limiting block 15 are both positioned below the fixing plate 13, the elliptical block 12 is driven to rotate through a rotating mechanism 2, the lifting block 14 is pushed to descend along the rectangular groove, the lifting block 14 drives a limiting block 15 to synchronously move, the limiting block 15 penetrates through the protection box 1, the lower end of the limiting block 15 is separated from the protection box 1, the upper end of a cutter 16 is inserted into the limiting block 15, preliminary limiting is carried out through the limiting mechanism 6, and then the rotating mechanism 2 is reversely rotated to enable the limiting block 15 to drive the cutter 16 to ascend, the cutter 16 is fixed in position, and the whole is fixed in position by the fixing mechanism 8.

The rotating mechanism 2 comprises a rotating column 21, the rotating column 21 penetrates through a fixing plate 13, the upper end of the rotating column 21 is rotatably connected with the inner part of the upper end of the protection box 1, a gear 22 is fixedly arranged on the rotating column 21, the rotating column 21 is positioned at the central position of the gear 22, two sides of an elliptical block 12 are fixedly provided with connecting shafts 25, the connecting shafts 25 are positioned at the edge positions of the elliptical block 12, one end of each connecting shaft 25 is rotatably provided with a rotating rod 26, one end of each rotating rod 26, far away from the corresponding connecting shaft 25, is rotatably provided with a connecting plate 23, one side of each connecting plate 23, close to the corresponding gear 22, is fixedly provided with a tooth block 24, the tooth block 24 is meshed with the gear 22, one end of each connecting plate 23, close to the corresponding rotating rod 26, one end of each rotating rod 26 is rotatably connected with the corresponding rotating groove, the lower end of the rotating column 21 is fixedly provided with a bevel gear set 3, one end of each bevel gear set 3 is fixedly provided with a lead screw 31, an upper moving block 33 is slidably arranged on the fixing plate 13, and the lower end of the upper moving block 33 is fixedly provided with a lower moving block 32, the lower moving block 32 is in threaded connection with the screw rod 31, the lower moving block 32 and the upper moving block 33 are in an L shape, one end of the lower moving block 32, which is far away from the screw rod 31, is fixedly provided with a clamping block 4, one end of the clamping block 4, which is far away from the lower moving block 32, is provided with a clamping groove 41, the outer walls of two sides of the clamping block 4 are attached to the inner wall of the limiting block 15, the upper surface of the fixed plate 13 is provided with a pair of moving grooves 51, the moving plate 5 is arranged in the moving grooves 51 in a sliding manner, the upper end of the moving plate 5 is fixedly connected with the lower surface of the connecting plate 23, the lower end of the moving plate 5 is attached to the inner wall of the moving groove 51, the length of the moving plate 5 is equal to that of the connecting plate 23, the height of the clamping block 4 is smaller than that of the limiting block 15, when the clamping block 4 is positioned in the limiting block 15, the upper side and the lower side of the clamping block 4 are at a certain distance from the upper end to the lower end of the limiting block 15, so that the clamping block 4 does not touch the clamping block 4 when the limiting block 15 moves up and down, the rotating column 21 is provided with a pair of the protecting box 1, the lower end is connected with a bevel gear group 3, a rotating column 21 is positioned at two sides of an elliptical block 12, the elliptical block 12 rotates to drive a connecting shaft 25 to rotate, the connecting shaft 25 drives a connecting plate 23 to move through a rotating rod 26, the connecting plate 23 is limited by a moving plate 5 at the lower end, the moving plate 5 moves along a moving groove 51, the connecting plate 23 drives a gear 22 to rotate through a tooth block 24 at one side, the gear 22 drives the rotating column 21 to rotate, the bevel gear group 3 at the lower end of the rotating column 21 synchronously rotates, the bevel gear group 3 drives a screw rod 31 to rotate, one end of the screw rod 31 is positioned inside a lower moving block 32 and is in threaded connection with the lower moving block, the lower moving block 32 moves along the screw rod 31, the lower moving block 32 is limited through an upper moving block 33, the upper moving block 33 slides along a groove at the lower surface of a fixed plate 13, the lower moving block 32 drives a clamping block 4 to move, and the two clamping blocks 4 are gathered together, the clamping groove 41 is tightly attached to the outer wall of the cutter 16, and the limiting block 15 moves into the protection box 1 to fix the position of the cutter 16.

The limiting mechanism 6 comprises a telescopic groove 61, a limiting column 63 is arranged in the telescopic groove 61 in a sliding manner, one end of the limiting column 63, which is far away from the telescopic groove 61, is in a circular shape, a first spring 62 is fixedly arranged at the other end of the limiting column 63, one end of the first spring 62, which is far away from the limiting column 63, is fixedly connected with the telescopic groove 61, the limiting column 63 is attached to the inner wall of the telescopic groove 61, a fixing groove 64 is arranged on the limiting block 15, the cutter 16 comprises a cutter holder 161, a cutter handle 162 and a cutter edge 163, the cutter holder 161 is attached to the inner wall of the fixing groove 64, the cutter 16 is inserted into the limiting block 15, the cutter holder 161 is contacted with the end part of the limiting column 63, the limiting column 63 is pushed to move in the telescopic groove 61 and extrude the first spring 62, when the cutter holder 161 enters the fixing groove 64, the limiting column 63 pushes out of the telescopic groove 61 through the thrust of the first spring 62 to enable the telescopic groove to be attached to the lower surface of the cutter holder 161, the limiting tool 16 is limited, when the cutter 16 needs to be taken out, the tool 16 is pulled downward.

Fixing mechanism 8 includes rotatory ring 81, rotatory ring 81 central point puts and 11 one end fixed connection of center pin, rotatory ring 81 is kept away from the fixed rotatory handle 82 that is equipped with in protection box 1 one side, rotatory handle 82 is located rotatory ring 81 border position, circular slot 83 has all been seted up on protection box 1 and the rotatory ring 81, circular slot 83 interpolation is equipped with circular inserted bar 84, circular inserted bar 84 is laminated mutually with circular slot 83 inner wall, hold rotatory handle 82 and rotate rotatory ring 81, rotatory ring 81 drives the center pin 11 and rotates, when circular slot 83 on rotatory ring 81 parallels with circular slot 83 on the protection box 1, insert circular inserted bar 84 in the circular slot 83, with the structure fixed.

The working principle is as follows: firstly, the cutter 16 is inserted into the limiting block 15, the cutter holder 161 contacts with the end of the limiting column 63 to push the limiting column 63 to move in the telescopic slot 61 and extrude the first spring 62, when the cutter holder 161 enters the fixed slot 64, the limiting column 63 is pushed out of the telescopic slot 61 by the thrust of the first spring 62 to be attached to the lower surface of the cutter holder 161, the cutter 16 is limited, then the rotating handle 82 is held to rotate the rotating ring 81, the rotating ring 81 drives the central shaft 11 to rotate, the central shaft 11 drives the elliptical block 12 to rotate, the elliptical block 12 drives the connecting shaft 25 to rotate, the connecting shaft 25 drives the connecting plate 23 to move by the rotating rod 26, the connecting plate 23 is limited by the moving plate 5 at the lower end, the moving plate 5 moves along the moving slot 51, the connecting plate 23 drives the gear 22 to rotate by the tooth block 24 at one side, and the gear 22 drives the rotating column 21 to rotate, the bevel gear group 3 at the lower end of the rotary column 21 synchronously rotates, the bevel gear group 3 drives the screw rod 31 to rotate, one end of the screw rod 31 is positioned inside the lower moving block 32 and is in threaded connection with the lower moving block, the lower moving block 32 moves along the screw rod 31, the lower moving block 32 is limited through the upper moving block 33, the upper moving block 33 slides along the groove on the lower surface of the fixed plate 13, the lower moving block 32 drives the clamping blocks 4 to move, the two clamping blocks 4 are gathered together, so that the clamping grooves 41 are tightly attached to the outer wall of the cutter 16, at the moment, the limiting block 15 also moves into the protection box 1 to fix the position of the cutter 16, and finally, when the circular slot 83 in the rotary ring 81 is parallel to the circular slot 83 in the protection box 1, the circular inserting rod 84 is inserted into the circular slot 83, and the structure is fixed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A cutter clamping mechanism comprises a protection box (1), and is characterized in that: the protection box (1) internal rotation is equipped with center pin (11), protection box (1) is passed to center pin (11) one end, the fixed oval piece (12) that is equipped with on center pin (11), center pin (11) are located oval piece (12) central point and put, protection box (1) internal fixation is equipped with fixed plate (13), it is equipped with elevator block (14) to slide on fixed plate (13), elevator block (14) lower extreme is fixed and is equipped with stopper (15), stopper (15) are concave shape, stopper (15) interpolation is equipped with cutter (16), be equipped with rotary mechanism (2) on fixed plate (13), be equipped with stop gear (6) in stopper (15), center pin (11) one end is equipped with fixed establishment (8).

2. A tool holding mechanism according to claim 1, wherein: rotary mechanism (2) include column spinner (21), fixed plate (13) are run through in column spinner (21), column spinner (21) upper end and protection box (1) upper end inside are rotated and are connected, fixed gear (22) that are equipped with on column spinner (21), column spinner (21) are located gear (22) central point and put, oval piece (12) both sides are fixed and are equipped with connecting axle (25), connecting axle (25) are located oval piece (12) border position, connecting axle (25) one end is rotated and is equipped with rotary rod (26), connecting axle (25) one end is kept away from in rotary rod (26) and is rotated and be equipped with connecting plate (23), connecting plate (23) are close to fixed tooth piece (24) that is equipped with in gear (22) one side, tooth piece (24) mesh with gear (22) mutually.

3. A tool holding mechanism according to claim 2, wherein: the utility model discloses a revolving column, including revolving column (21), revolving column, fixed bevel gear group (3) lower extreme, bevel gear group (3) one end is fixed and is equipped with lead screw (31), sliding is equipped with on fixed plate (13) and goes up movable block (33), it is fixed and is equipped with down movable block (32) to go up movable block (33) lower extreme, move down movable block (32) and lead screw (31) threaded connection, move down movable block (32) and last movable block (33) and be the L shape.

4. A tool holding mechanism according to claim 3, wherein: the lower moving block (32) is far away from one end of the screw rod (31) and is fixedly provided with a clamping block (4), the clamping block (4) is far away from one end of the lower moving block (32) and is provided with a clamping groove (41), and the outer walls of two sides of the clamping block (4) are attached to the inner wall of the limiting block (15).

5. A tool holding mechanism according to claim 1, wherein: a pair of moving grooves (51) is formed in the upper surface of the fixed plate (13), a moving plate (5) is arranged in the moving grooves (51) in a sliding mode, the upper end of the moving plate (5) is fixedly connected with the lower surface of the connecting plate (23), the lower end of the moving plate (5) is attached to the inner wall of the moving grooves (51), and the length of the moving plate (5) is equal to that of the connecting plate (23).

6. A tool holding mechanism according to claim 1, wherein: stop gear (6) are including flexible groove (61), it is equipped with spacing post (63) to slide in flexible groove (61), flexible groove (61) one end is kept away from in spacing post (63) is circular shape, spacing post (63) other end is fixed and is equipped with first spring (62), spacing post (63) one end and flexible groove (61) fixed connection are kept away from in first spring (62), laminating mutually with flexible groove (61) inner wall in spacing post (63), fixed slot (64) have been seted up on stopper (15).

7. A tool holding mechanism according to claim 1, wherein: the lifting block (14) is fixedly provided with supporting plates (7) on two sides, a second spring (71) is fixedly arranged on the lower surface of each supporting plate (7), and the lower end of each second spring (71) is connected with the inner wall of the lower end of the protection box (1).

8. A tool holding mechanism according to claim 1, wherein: the fixing mechanism (8) comprises a rotating ring (81), the center of the rotating ring (81) is fixedly connected with one end of a central shaft (11), a rotating handle (82) is fixedly arranged on one side, far away from the protection box (1), of the rotating ring (81), the rotating handle (82) is located at the edge of the rotating ring (81), circular slots (83) are formed in the protection box (1) and the rotating ring (81), circular inserting rods (84) are inserted into the circular slots (83), and the circular inserting rods (84) are attached to the inner walls of the circular slots (83).

9. A tool holding mechanism according to claim 1, wherein: the fixed plate (13) central point puts and has seted up the rectangular channel, elevator (14) laminate mutually with the rectangular channel inner wall, oval piece (12) outer wall laminates mutually with elevator (14) upper surface, cutter (16) include blade holder (161), handle of a knife (162) and cutting edge (163), blade holder (161) laminate mutually with fixed slot (64) inner wall.

10. A tool holding mechanism according to claim 2, wherein: a rotating groove is formed in one end, close to the rotating rod (26), of the connecting plate (23), and one end of the rotating rod (26) is rotatably connected with the rotating groove.