阅读说明：本技术 一种钢丝切丸机 (Steel wire shot cutting machine ) 是由 张朝阳 刘旭东 吴建军 侯志坚 邢向涛 刘春博 高建永 于 2019-10-22 设计创作，主要内容包括：本发明钢丝切丸技术领域,具体公开了一种钢丝切丸机,包括送丝机构、定刀机构、动刀机构、动刀驱动机构和机架；所述送丝机构的下辊轮辊面沿圆周方向设置至少两道凹槽,所述送丝机构同时夹送至少两根钢丝；所述动刀机构包括动刀座、动刀和紧固件；所述动刀通过紧固件固定在动刀座上；所述动刀长度方向与送丝机构的辊轮轴线方向相同；所述动刀运动方向与送丝机构的辊轮轴线方向垂直。(The invention relates to the technical field of steel wire shot cutting, and particularly discloses a steel wire shot cutting machine, which comprises a wire feeding mechanism, a fixed cutter mechanism, a movable cutter driving mechanism and a rack, wherein the fixed cutter mechanism is arranged on the rack; the roller surface of a lower roller of the wire feeding mechanism is provided with at least two grooves along the circumferential direction, and the wire feeding mechanism simultaneously clamps and conveys at least two steel wires; the movable knife mechanism comprises a movable knife holder, a movable knife and a fastener; the movable knife is fixed on the movable knife holder through a fastener; the length direction of the movable knife is the same as the axial direction of a roller of the wire feeding mechanism; the moving direction of the moving knife is vertical to the axial direction of the roller of the wire feeding mechanism.)

1. A steel wire shot cutting machine comprises a wire feeding mechanism (1), a fixed cutter mechanism (2), a movable cutter mechanism (3), a movable cutter driving mechanism (4) and a rack (5); the fixed cutter mechanism (2), the movable cutter mechanism (3) and the movable cutter driving mechanism (4) are arranged on the rack (5), the movable cutter mechanism (3) is arranged in a way of being matched with the fixed cutter mechanism (2), and the movable cutter driving mechanism (4) is arranged in a way of being matched with the movable cutter mechanism (3); the wire feeding mechanism (1) is matched with the fixed cutter mechanism (2) and arranged on one side of the rack (5), the wire feeding mechanism (1) comprises two roller wheels, and the wire feeding mechanism is characterized in that at least two grooves are formed in the roller surface of the lower roller wheel of the wire feeding mechanism (1) along the circumferential direction, and the wire feeding mechanism (1) simultaneously clamps and conveys at least two steel wires; the movable knife mechanism comprises a movable knife holder (301), a movable knife (302) and a fastener (303); the movable knife (302) is fixed on the movable knife holder (301) through a fastener (303); the length direction of the movable knife (302) is the same as the axial direction of a roller of the wire feeding mechanism (1); the moving direction of the moving knife (302) is vertical to the axial direction of the roller of the wire feeding mechanism (1).

2. The steel wire shot-cutting machine according to claim 1, characterized in that at least one through hole I (304) is fixedly arranged on the movable cutter holder (301) from one side edge to the inside; a cutter groove (305) is arranged on the movable cutter holder (301) and is vertical to the first through hole (304); the movable knife (302) is arranged in the knife groove (305) in a matched mode through a fastener (303); the cutter groove (305) is arranged in the middle of the first through hole (304); the cross section of the movable cutter (302) is polygonal; the length direction of the movable knife (302) is the same as the axial direction of a roller of the wire feeding mechanism (1).

3. The wire shot-cutting machine according to claim 1, characterized in that the stationary knife mechanism (2) comprises a stationary knife holder (201), a stationary knife (202), a clamping bolt (203) and an adjusting bolt (204); a second through hole (205) is formed in one side face of the fixed cutter seat (201), and the fixed cutter (202) is arranged in the second through hole (205); a third through hole (206) is formed in the opposite surface of the fixed cutter seat (201), the third through hole (206) and the second through hole (205) are coaxially arranged, and an adjusting bolt (204) is arranged in the third through hole (206); the adjusting bolt (204) is provided with a through hole along the axis; the clamping bolt (203) is perpendicular to the axis of the second through hole (205).

4. The wire shot cutting machine according to claim 3, characterized in that the stationary knife (202) comprises a cylindrical knife body (207) and a knife head (208); the cutter head (208) is fixedly arranged at one end of the cutter body (207) and is coaxially arranged with the cutter body (207); the diameter of the cutter head (208) is smaller than that of the cutter body (207); the cutter body (207) and the cutter head (208) are provided with through holes along the axis; the cutter head (208) is made of hard alloy.

5. The steel wire shot-cutting machine according to claim 3 or 4, characterized in that a groove (208) is fixedly arranged on the fixed cutter seat (201) perpendicular to the axial direction of the through hole II (205) and the through hole III (206); the groove (208) is arranged in the middle of the second through hole (205) and the third through hole (206).

6. The wire shot cutting machine according to claim 1, wherein the movable knife driving mechanism (4) comprises a motor (401), a crank (402), a connecting rod (403), a slider (404); the output end of the motor (401) is connected with a crank (402), and the connecting rod (403) is connected with a sliding block (404); the movable knife mechanism (3) is detachably arranged on the sliding block (404); one end of the crank (402) is connected with a connecting rod (403) to form a crank-connecting rod mechanism.

7. The wire shot cutting machine according to claim 1, wherein at least one of the first through holes (304) is provided; the first through hole (304) is long.

8. Wire shot cutting machine according to claim 1, characterized in that the width of the knife slot (305) is smaller than the length of a through hole one (304).

9. The wire shot cutting machine according to claim 1, characterized in that at least two counter bores (306) are provided in the movable knife holder (301).

10. The wire shot cutting machine according to claim 1, characterized in that the moving blade (302) is square in cross section.

Technical Field

The invention relates to the technical field of steel wire shot cutting, and particularly discloses a steel wire shot cutting machine.

Background

The steel wire cut shot is a metal abrasive used in the shot peening strengthening process, and the manufacturing process comprises the following steps: drawing wire, cutting pill, polishing round, etc. The pill cutting process is to cut the cold-drawn steel wire into cylindrical particles with the length-diameter ratio close to 1, and the cutting is finished by the relative movement of the cutter and the steel wire. In the prior art, in order to improve the efficiency, a plurality of cutters are fixedly arranged on the disc along the circumferential direction, and the cutters are driven to cut steel wires by rotating the disc. Once a cutter goes wrong, the quality of the whole batch of materials is easily affected. Therefore, all the tools need to be checked regularly to replace the severely worn tools, and when a large number of products are produced, frequent replacement of the tools does not result in a significant increase in efficiency, but rather results in an increase in cost. How to reduce the maintenance and replacement of the cutter as much as possible on the premise of ensuring certain production efficiency becomes a problem to be solved urgently in the field.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides the steel wire shot cutting machine, which can make full use of a plurality of edges of the cutter, is convenient to maintain the cutter, reduces the replacement times and prolongs the service life of the cutter. Through the arrangement of the movable cutter mechanism and the cooperation of the crank connecting rod, the cutting operation can be completed twice in one stroke, a plurality of steel wires can be cut at one time, and certain cutting efficiency is guaranteed.

In order to achieve the above purpose, the invention provides the following technical scheme:

a steel wire shot cutting machine comprises a wire feeding mechanism, a fixed cutter mechanism, a movable cutter driving mechanism and a rack; the fixed cutter mechanism, the movable cutter mechanism and the movable cutter driving mechanism are arranged on the rack, the movable cutter mechanism is matched with the fixed cutter mechanism, and the movable cutter driving mechanism is matched with the movable cutter mechanism; the wire feeding mechanism is matched with the fixed cutter mechanism and arranged on one side of the rack, the wire feeding mechanism comprises two rollers, at least two grooves are formed in the roller surface of a lower roller of the wire feeding mechanism along the circumferential direction, and the wire feeding mechanism clamps and conveys at least two steel wires simultaneously; the movable knife mechanism comprises a movable knife holder, a movable knife and a fastener; the movable knife is fixed on the movable knife holder through a fastener; the length direction of the movable knife is the same as the axial direction of a roller of the wire feeding mechanism; the moving direction of the moving knife is vertical to the axial direction of the roller of the wire feeding mechanism. The arrangement of the length direction and the movement direction of the movable knife can ensure that at least two steel wires are cut at one time, and the cutting efficiency is ensured. The movable knife is convenient to disassemble and assemble due to the arrangement of the fastener.

Preferably, a first through hole is fixedly formed in the movable cutter holder in a manner that one side edge of the movable cutter holder extends inwards; a cutter groove is arranged on the movable cutter holder and is vertical to the first through hole; the movable knife is arranged in the knife groove in a matched mode through a fastener; the cutter groove is arranged in the middle of the through hole; the cross section of the movable knife is polygonal. The first through hole is convenient for a steel wire to pass through. The knife slot is convenient for fixing the movable knife. The edge inwards extends to be provided with the first through hole, the cutter groove is arranged in the middle of the first through hole, two edges of the movable cutter are conveniently used for cutting, and the efficiency is further improved. The cross section of the movable knife is polygonal, so that the movable knife can be conveniently turned, the cutting edge can be replaced, the service life of the movable knife is prolonged, and the maintenance is convenient. The knife slot is arranged, so that the movable knife can be conveniently adjusted along the length direction.

Preferably, the fixed cutter mechanism comprises a fixed cutter seat, a fixed cutter, a clamping bolt and an adjusting bolt; a second through hole is formed in one side face of the fixed cutter seat, and the fixed cutter is arranged in the second through hole; a third through hole is formed in the opposite surface of the fixed cutter seat, the third through hole and the second through hole are coaxially arranged, and an adjusting bolt is arranged in the third through hole; the adjusting bolt is provided with a through hole along the axis; the clamping bolt is perpendicular to the two axes of the through hole. Through the setting of adjusting bolt, make things convenient for the axial to adjust the clearance between stationary knife and moving the sword. The fixed cutter is convenient to fix due to the arrangement of the clamping bolt.

Preferably, the fixed cutter comprises a cylindrical cutter body and a cutter head; the cutter head is fixedly arranged at one end of the cutter body and is coaxial with the cutter body; the diameter of the cutter head is smaller than that of the cutter body; the cutter body and the cutter head are provided with through holes along the axis. The tool bit is made of hard alloy, so that the hardness is high, the service life is long, and the regrinding is convenient. Due to the arrangement of the cutter head, materials are saved, and maintenance is facilitated. The through holes are arranged, so that the steel wires can conveniently pass through the through holes.

Preferably, a groove is fixedly arranged on the fixed cutter seat in a direction perpendicular to the second through hole and the three axial lines of the through holes; the groove is formed in the middle of the second through hole and the third through hole. The setting of recess is convenient for penetrate the stationary knife with the steel wire before the start, the dismantlement of stationary knife of being convenient for.

Preferably, the moving blade driving mechanism comprises a motor, a crank connecting rod and a sliding block; the output end of the motor is connected with a crank of a crank connecting rod, and the connecting rod of the crank connecting rod is connected with a sliding block; the movable knife mechanism is detachably arranged on the sliding block. Through the arrangement of the crank connecting rod and the sliding block, the rotation of the motor is converted into the linear motion of the movable knife mechanism, and the cutting is conveniently realized by utilizing two edges of the movable knife.

Preferably, at least one through hole is arranged in the first through hole; the first through hole is long. The arrangement of the first through holes facilitates the increase of the processing quantity of the steel wires and improves the efficiency. The first through hole is arranged in a long strip shape, so that the cutter groove is perpendicular to the first through hole and is arranged in the middle of the first through hole.

Preferably, a cutter groove is arranged in the middle of the through hole; the width of the knife groove is smaller than the length of the through hole. The width of the cutter groove is smaller than the length of the through hole, so that the cutter can be conveniently cut by utilizing two edges of the movable cutter.

Preferably, the movable cutter holder is provided with at least two counter bores, so that the movable cutter holder is convenient to fix.

Preferably, the cross section of the movable blade is square, so that the movable blade is convenient to fix.

In the scheme, the invention provides the steel wire shot cutting machine, and the device fully utilizes the edge of the movable knife and is matched with the crank connecting rod, so that the same steel wire can be cut twice in one stroke. The width of the cutter groove is smaller than the length of the first through hole, the first through hole is in a strip shape, after the lower edge of the movable cutter is cut, the steel wire conveniently extends out of a gap between the movable cutter and the first through hole, and then the other edge of the movable cutter is used for cutting. The cross section is the setting of the polygonal moving knife, is convenient for overturn and moves the knife, reduces the maintenance, increases life.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is an isometric view of an embodiment of the present invention;

FIG. 2 is a side view of the moving blade mechanism of the embodiment of the present invention;

FIG. 3 is an isometric view of a movable tool holder according to an embodiment of the invention;

FIG. 4 is an isometric view of a stationary knife mechanism according to an embodiment of the present invention;

FIG. 5 is an isometric view of a stationary knife according to an embodiment of the present invention;

description of reference numerals:

1-a wire feeding mechanism, 2-a fixed cutter mechanism, 3-a movable cutter mechanism, 4-a movable cutter driving mechanism and 5-a frame;

201-a fixed cutter seat, 202-a fixed cutter, 203-a clamping bolt, 204-an adjusting bolt, 205-a second through hole, 206-a third through hole, 207-a cutter body and 208-a cutter head;

301-moving tool apron, 302-moving tool, 303-fastening piece, 304-through hole I, 305-tool groove and 306-counter bore;

401-motor, 402-crank, 403-connecting rod, 404-slider.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all 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.

As shown in fig. 1, a steel wire shot cutting machine comprises a wire feeding mechanism 1, a fixed knife mechanism 2, a movable knife mechanism 3, a movable knife driving mechanism 4 and a frame 5; the fixed cutter mechanism 2, the movable cutter mechanism 3 and the movable cutter driving mechanism 4 are arranged on the frame 5, the movable cutter mechanism 3 is arranged in a way of being matched with the fixed cutter mechanism 2, and the movable cutter driving mechanism 4 is arranged in a way of being matched with the movable cutter mechanism 3; the wire feeding mechanism 1 is matched with the fixed cutter mechanism 2 and arranged on one side of the rack 5; the wire feeding mechanism 1 comprises two roller wheels, four grooves are formed in the roller surface of a lower roller wheel of the wire feeding mechanism 1 along the circumferential direction, and the wire feeding mechanism 1 simultaneously clamps and conveys four steel wires; the axes of the two rollers are horizontally arranged. The arrangement of the groove is convenient for fixing the steel wire, and the stability of steel wire conveying is ensured;

the moving blade driving mechanism 4 comprises a motor 401, a crank 402, a connecting rod 403 and a sliding block 404; the motor 401 is arranged on the frame 5 through a bolt, and the axial direction of the motor 401 is the same as the feeding direction of the steel wire; the output end of the motor 401 is connected with a crank 402, the other end of the crank 402 is connected with a connecting rod 403, and the other end of the connecting rod 403 is connected with a sliding block 404; the movable knife mechanism 3 is arranged on the sliding block 404 through a bolt. The slider 404 moves up and down as indicated by the arrows in fig. 1, perpendicular to the direction of wire feed. Through the arrangement of the crank connecting rod and the sliding block, the rotation of the motor is converted into the linear motion of the moving knife mechanism.

As shown in fig. 2 and 3, the movable knife mechanism comprises a movable knife holder 301, a movable knife 302 and a fastener 303; the movable knife 302 is fixed on the movable knife holder 301 through a fastener 303; the length direction of the movable knife 302 is the same as the axial direction of the roller of the wire feeding mechanism 1; the moving direction of the moving blade 302 is perpendicular to the axial direction of the roller of the wire feeding mechanism 1. The fastener 303 is a flat head bolt. The arrangement of the length direction and the movement direction of the movable knife can ensure that at least two steel wires are cut at one time, and the cutting efficiency is ensured. The arrangement of the fastener is convenient for dismounting and mounting the movable cutter; the movable cutter holder 301 is provided with three counter bores 306, and is fixed on the slide block 404 by bolts.

Four strip-shaped through holes I304 are fixedly arranged on the movable tool apron 301 from one side edge to the inside in an extending manner; a knife groove 305 is arranged on the knife block 301 perpendicular to the first through hole 304, and the width of the knife groove 305 is smaller than the length of the first through hole 304. The movable knife 302 is arranged in the knife groove 305 in a matching way through a fastener 303; the cutter groove 305 is arranged in the middle of the first through hole 304; the cross section of the movable knife 302 is square; the length direction of the movable knife 302 is the same as the axial direction of the roller of the wire feeding mechanism 1. The first through hole is convenient for a steel wire to pass through. The knife slot is convenient for fixing the movable knife. The edge inwards extends to be provided with the first through hole, the cutter groove is arranged in the middle of the first through hole, two edges of the movable cutter are conveniently used for cutting, and the efficiency is further improved. The cross section of the movable knife is polygonal, so that the movable knife can be conveniently turned, the cutting edge can be replaced, the service life of the movable knife is prolonged, and the maintenance is convenient. The knife slot is arranged, so that the movable knife can be conveniently adjusted along the length direction. The first through hole is arranged in a long strip shape, so that the cutter groove is perpendicular to the first through hole and is arranged in the middle of the first through hole. The width of the cutter groove is smaller than the length of the through hole, so that the cutter can be conveniently cut by utilizing two edges of the movable cutter.

As shown in fig. 4, the fixed blade mechanism 2 includes a fixed blade holder 201, a fixed blade 202, a clamping bolt 203, and an adjusting bolt 204; a second through hole 205 is formed in one side surface of the fixed cutter seat 201, and the fixed cutter 202 is arranged in the second through hole 205; a third through hole 206 is formed in the opposite surface of the fixed cutter seat 201, the third through hole 206 and the second through hole 205 are coaxially arranged, and an adjusting bolt 204 is arranged in the third through hole 206; the adjusting bolt 204 is provided with a through hole along the axis; the clamping bolt 203 is arranged perpendicular to the axis of the second through hole 205. A groove 208 is fixedly arranged on the fixed cutter seat 201 and is perpendicular to the axial direction of the second through hole 205 and the third through hole 206; the groove 208 is arranged in the middle of the second through hole 205 and the third through hole 206. The fixed blocks are fixedly arranged on two sides of the fixed tool seat 201, through holes are formed in the fixed blocks, and the fixed blocks are fixed on the rack 5 through bolts. Through the setting of adjusting bolt, make things convenient for the axial to adjust the clearance between stationary knife and moving the sword. The fixed cutter is convenient to fix due to the arrangement of the clamping bolt. The setting of recess is convenient for penetrate the stationary knife with the steel wire before the start, the dismantlement installation of stationary knife of being convenient for.

As shown in fig. 5, the stationary blade 202 includes a cylindrical blade body 207 and a cutter head 208; the cutter head 208 is fixedly arranged at one end of the cutter body 207 and is coaxially arranged with the cutter body 207; the diameter of the cutting head 208 is smaller than that of the cutter body 207; the cutter body 207 and the cutter head 208 are provided with through holes along the axis; the cutting tip 208 is cemented carbide. The tool bit is made of hard alloy, so that the hardness is high, the service life is long, and the regrinding is convenient. Due to the arrangement of the cutter head, materials are saved, and maintenance is facilitated. The through holes are arranged, so that the steel wires can conveniently pass through the through holes.

When the wire feeding mechanism is used, a steel wire is clamped and fed by two rollers of the wire feeding mechanism 1 and penetrates through the adjusting bolt 204 of the fixed cutter mechanism and the through hole of the fixed cutter 202, the motor 401 drives the crank 402 to rotate at the moment, the movable cutter 302 on the sliding block 404 is driven to press downwards through the connecting rod 403, the steel wire is cut by utilizing the lower edge of one side face of the movable cutter 302, the movable cutter 302 continues to press downwards, the steel wire penetrates through a gap between the movable cutter 302 and the through hole I304, the crank 402 drives the movable cutter 302 on the sliding block 404 to move upwards through the connecting rod 403 at the moment, the upper edge of one side face of the movable cutter 302 is used for cutting again, and the.

When the movable blade 302 is worn, the fastener 303 can be loosened, and the movable blade 302 is adjusted left and right along the length direction and then fixed. The moving blade 302 may also be flipped over and cut with the other edges of the moving blade 302. The grinding times of the movable knife 302 are reduced, the service life is prolonged, and the shutdown standby time is reduced.

Although the present invention has been described in detail by referring to the drawings in connection with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and these modifications or substitutions are within the scope of the present invention/any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.