Burr-free steel wire cutting mechanism
Through the design of the burrless steel wire cutting mechanism, the combined structure of the fixed tool block, slide tool block and limit block is used to solve the problem of uneven wire fracture, and the fracture leveling and cutting efficiency are improved, reducing costs.
Patent Information
- Application Number
- CN202422672312.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-01
- Publication Date
- 2025-08-29
- Estimated Expiration
- 2034-11-01
AI Technical Summary
During the cutting process, the existing wire cutting mechanism can easily lead to uneven wire breaks and burrs, which affects the application process of the wire.
The burrless steel wire cutting mechanism is adopted. Through the combined design of the fixed blade block, slider block, limit block and cutter block, the connecting rod and return spring are used to ensure that the fracture opening of the steel wire is flat when cut, and the guide is provided through the slide chute and slide rod to reduce offset, and the cutting efficiency is improved by combining the drive and feeding parts.
The wire fracture is leveled, the impact of burrs is reduced, the cutting accuracy and efficiency are improved, and the material cost and labor consumption are reduced.
Smart Images
Figure CN223277117U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of wire cutting mechanisms, and in particular to a burr-free wire cutting mechanism. Background Art
[0002] Steel wire is widely used and important in mechanical manufacturing and automation equipment. It is often used in mechanical fastening or the manufacture of wires. During the production process of steel wire, the steel wire produced in the factory is often longer and needs to be cut to the length required for production.
[0003] The existing wire cutting mechanism includes a limit block, a cutter, and a pressure block. The end of the cutter is bolted to the side wall of the limit block, and the pressure block is bolted to the side wall of the limit block. The side wall of the pressure block abuts the side wall of the cutter. Under the pressure of the pressure block, the cutter is pressed against the side wall of the limit block. When using the wire cutting mechanism, the staff places the wire on the side wall of the limit block. At this time, the staff controls the cutter to rotate toward the limit block. The shear force of the cutter breaks the wire, and the wire is cut.
[0004] During the above-mentioned cutting process of the steel wire, the steel wire is prone to elastic deformation, resulting in an uneven fracture surface. The burrs on the fracture surface affect the application process of the steel wire, and there is room for improvement. Utility Model Content
[0005] In order to make the fracture of the steel wire smooth and reduce the impact of the fracture burrs on the application process of the steel wire, the present application provides a burr-free steel wire cutting mechanism.
[0006] The present application provides a burr-free wire cutting mechanism, which adopts the following technical solution:
[0007] A burr-free wire cutting mechanism, comprising:
[0008] Knife holder;
[0009] The fixed knife component includes a fixed knife block and a sliding knife block, wherein the fixed knife block is fixed to the side wall of the knife seat, the sliding knife block is slidably connected to the side wall of the knife seat, and the side wall of the sliding knife block is slidably connected to the side wall of the fixed knife block;
[0010] The cutting member includes a limit block and a cutting block, wherein the limit block is slidably connected to the side wall of the knife seat, and the cutting block is slidably connected to the side wall of the knife seat and the side wall of the limit block respectively, the side wall of the limit block can abut against the side wall of the fixed knife block, and the side wall of the cutting block can abut against the side wall of the sliding knife block;
[0011] A connecting rod is fixed to the side wall of the cutting block, a lower semicircular groove is provided on the side walls of the fixed knife block and the sliding knife block, an upper semicircular groove is provided on the side walls of the limit block and the cutting block, and the lower semicircular groove is arranged opposite to the upper semicircular groove.
[0012] By adopting the above technical solution, when the staff uses the cutting mechanism to cut the steel wire, the staff installs the steel wire into the inside of the cutting mechanism, and the side walls of the steel wire are close to the inner wall of the upper semicircular groove and the inner wall of the lower semicircular groove respectively. The staff pushes the connecting rod, and the connecting rod drives the cutting block to slide toward the sliding block. The side wall of the cutting block abuts against the side wall of the steel wire. At this time, the side wall of the limit block abuts against the side wall of the fixed knife block, and the side wall of the cutting block abuts against the side wall of the sliding block. Then the cutting block drives the sliding block to slide on the side wall of the fixed knife block. At this time, the steel wire is cut under the shear force of the cutting block. This setting makes the fracture of the steel wire smooth and reduces the impact of the fracture burrs on the steel wire application process.
[0013] Optionally, a first sliding groove is provided on the side wall of the sliding block, a first sliding rod is fixed on the side wall of the fixed knife block, a second sliding groove is provided on the side wall of the limit block, and a second sliding rod is fixed on the side wall of the cutting block. The side wall of the first sliding rod is slidably connected to the inner wall of the first sliding groove, and the side wall of the second sliding rod is slidably connected to the inner wall of the second sliding groove.
[0014] By adopting the above technical solution, when the staff uses the cutting mechanism to cut the steel wire, the sliding block slides on the side wall of the fixed knife block, and the cutting block slides on the side wall of the limit block. Then the side wall of the cutting block abuts against the side wall of the fixed knife block, the first sliding rod slides on the inner wall of the first sliding groove, and the second sliding rod slides on the inner wall of the second sliding groove. This setting provides a guide for the sliding of the sliding block and the cutting block, reducing the possibility of the sliding block and the cutting block offset during the sliding process.
[0015] Optionally, several tool holders are fixed to the side walls of the tool holder, and the side walls of the tool holders are respectively provided with through holes and wire openings. The side walls of the connecting rod are slidably connected to the inner walls of the through holes, and the upper semicircular groove and the lower semicircular groove are both connected to the wire openings.
[0016] By adopting the above technical solution, the staff places the steel wire on the inner wall of the upper semicircular groove and the lower semicircular groove through the wire passing port. The setting of the wire passing port provides guidance for the installation process of the steel wire, which is convenient for the staff to place the steel wire. The opening of the through hole facilitates the sliding of the connecting rod on the side wall of the tool holder, thereby improving the stability of the staff in controlling the connecting rod to cut the steel wire.
[0017] Optionally, a return spring is fixed to the side wall of the sliding block, one end of the return spring is fixed to the side wall of the sliding block, and the other end of the return spring is fixed to the side wall of the tool holder.
[0018] By adopting the above technical solution, when the staff completes a wire cutting work, the sliding block moves away from the cutting block. At this time, the sliding block slides toward the fixed knife block under the action of the elastic force of the reset spring. The setting of the reset spring facilitates the reset process of the sliding block, so that the next section of steel wire slides stably into the inner wall of the lower semicircular groove on the side wall of the sliding block, thereby improving the efficiency of the wire cutting work.
[0019] Optionally, a limiting spring is fixed to the side wall of the limit block, one end of the limiting spring is fixed to the side wall of the limit block, and the other end of the limiting spring is fixed to the side wall of the tool holder. The side wall of the tool holder is threadedly connected with an adjusting rod, and the end of the adjusting rod abuts against the side wall of the limit block.
[0020] By adopting the above technical solution, when the staff uses the cutting mechanism, the staff adjusts the distance that the limit block slides on the side wall of the knife holder through the adjusting rod, so that when the limit block is away from the fixed knife block, the steel wire is always located between the upper semicircular groove and the lower semicircular groove. This setting reduces the possibility of the steel wire slipping out of the upper semicircular groove and the lower semicircular groove, which is convenient for the staff to cut the steel wire; under the elastic force of the limit spring, the limit block slides toward the fixed knife block, which makes it easier for the limit block and the fixed knife block to clamp the steel wire, further improving the stability of the steel wire fixation during the steel wire cutting process.
[0021] Optionally, a blocking plate is fixed to the side wall of the tool holder, and the side walls of the blocking plate are respectively close to the side walls of the fixed knife block, the sliding knife block, the limiting block and the cutting knife block.
[0022] By adopting the above technical solution, the setting of the blocking plate effectively reduces the possibility of deviation or shaking of the fixed knife block, sliding knife block, limit block and cutting knife block during operation, thereby improving the stability of the wire cutting process.
[0023] Optionally, a locking pin is threadedly connected to the side wall of the blocking plate, and an end of the locking pin abuts against the side wall of the fixed blade block.
[0024] By adopting the above technical solution, under the pressing action of the locking pin, the fixed knife block is fixed to the side wall of the knife seat. This arrangement fixes the position of the fixed knife block and improves the stability of the wire cutting process.
[0025] Optionally, the side wall of the knife seat is slidably connected to a push plate, and the side wall of the push plate is also provided with the wire opening. The side wall of the knife holder is threadedly connected to a plurality of push rods, and the ends of the push rods abut against the side walls of the push plate, and the side walls of the push plate abut against the side walls of the sliding block and the side walls of the cutting block respectively.
[0026] By adopting the above technical solution, when the sliding block and the cutting block are working, the staff tightens the push rod to make the side walls of the push plate abut against the side walls of the sliding block and the cutting block. After the sliding block and the cutting block have worked for a long time, the side walls of the sliding block and the cutting block are worn. At this time, the sliding block and the cutting block both have gaps with the push plate. The staff further tightens the push rod to make the side walls of the push plate abut against the side walls of the sliding block and the cutting block respectively, so that the wire cutting process is carried out stably. This setting improves the utilization rate of the sliding block and the cutting block.
[0027] Ensure accurate advancement and stable fixation of the wire during the cutting process, improving cutting accuracy and efficiency.
[0028] Optionally, the side walls of the knife seat are respectively provided with a driving member and a feeding member, the driving member is used to drive the connecting rod to slide on the inner wall of the through hole, and the feeding member is used to push the steel wire to slide toward the wire opening.
[0029] By adopting the above technical solution, the arrangement of the driving member and the feeding member reduces the labor cost of manually operating the cutting mechanism, reduces the time required for cutting a single steel wire, and thus improves the efficiency of steel wire cutting.
[0030] In summary, this application includes at least one of the following beneficial technical effects:
[0031] 1. When the worker uses the cutting mechanism to cut the steel wire, the worker installs the steel wire to the side wall of the fixed knife block, and then the worker operates the connecting rod. Under the action of the connecting rod, the cutting block slides on the side wall of the limit block, and the cutting block drives the sliding block to slide. The limit block and the fixed knife block are both fixed on the side wall of the knife holder. The steel wire is cut under the pressure of the cutting block. At this time, the side walls of the steel wire respectively abut against the inner wall of the upper semicircular groove and the inner wall of the lower semicircular groove. This setting makes the fracture of the steel wire smooth and reduces the impact of the fracture burrs on the application process of the steel wire.
[0032] 2. The setting of the adjustment rod fixes the maximum distance between the limit block and the fixed knife block, reducing the possibility of the steel wire slipping out of the lower semicircular groove and the upper semicircular groove, and increasing the stability of the cutting mechanism during operation;
[0033] 3. When the side walls of the cutting block and the sliding block are worn during long-term operation, the staff tightens the push rod to make the push plate press the cutting block and the sliding block. This setting improves the utilization rate of the cutting mechanism, reduces the material cost of the cutting mechanism, and increases the stability of the cutting mechanism in cutting the wire when the cutting block and the sliding block are worn. BRIEF DESCRIPTION OF THE DRAWINGS
[0034] Figure 1 It is a schematic diagram of the overall structure of a burr-free wire cutting mechanism in an embodiment of the present application.
[0035] Figure 2 It is a schematic diagram of the internal structure of the knife holder in the embodiment of the present application.
[0036] Figure 3 It is a cross-sectional view of the burr-free wire cutting mechanism in an embodiment of the present application.
[0037] Figure markings: 1. knife holder; 2. fixed knife piece; 21. fixed knife block; 22. sliding knife block; 3. cutting knife piece; 31. limiting block; 32. cutting knife block; 4. connecting rod; 5. lower semicircular groove; 6. upper semicircular groove; 7. first sliding groove; 8. first sliding rod; 9. second sliding groove; 10. second sliding rod; 11. knife holder; 12. through hole; 13. wire passage; 14. return spring; 15. limiting spring; 16. adjusting rod; 17. blocking plate; 18. locking pin; 19. pushing plate; 200. pushing rod; 201. driving member; 202. feeding member; 203. auxiliary spring. DETAILED DESCRIPTION
[0038] The following is combined with Figure 1-3 This application is described in further detail.
[0039] The embodiment of the present application discloses a burr-free wire cutting mechanism.
[0040] Reference Figure 1 A burr-free wire cutting mechanism includes a knife holder 1 and a knife frame 11. The knife frame 11 is bolted to the side wall of the knife holder 1. The side wall of the knife holder 11 is bolted with a blocking plate 17. The setting of the blocking plate 17 reduces the possibility of the side wall component of the knife holder 1 sliding out of the knife holder 1; the side wall of the knife holder 11 is provided with a wire through hole 13. In the embodiment of the present application, the wire through hole 13 is respectively arranged on both sides of the knife holder 11. When using the cutting mechanism to cut the steel wire, the staff sends the steel wire into the interior of the cutting mechanism through the wire through hole 13.
[0041] Reference Figure 1The side wall of the tool holder 1 is provided with a driving member 201 and a feeding member 202, the side wall of the tool holder 11 is slidably connected with a connecting rod 4, and the side wall of the connecting rod 4 is installed with an auxiliary spring 203. In the embodiment of the present application, the driving member 201 is preferably a driving cylinder, and the feeding member 202 is preferably a wire feeder. The sliding end of the driving member 201 is threadedly fixed to the end of the connecting rod 4 away from the cutting block 32, one end of the auxiliary spring 203 is fixed to the side wall of the tool holder 11, and the other end of the auxiliary spring 203 is fixed to the sliding end of the driving member 201, and the output end of the feeding member 202 is arranged opposite to the wire passing port 13. When the staff uses the cutting mechanism, the staff starts the driving part 201 and the feeding part 202 respectively. The feeding part 202 continuously drives the steel wire to slide into the wire opening 13, and the driving part 201 drives the connecting rod 4 to slide on the side wall of the tool holder 11. Under the action of the connecting rod 4, the cutting mechanism cuts the steel wire. This setting reduces the human resource investment in cutting the steel wire, while improving the efficiency of steel wire cutting, which facilitates the factory production process.
[0042] Reference Figure 2 , further comprising a fixed blade component 2 and a cutting blade component 3. The fixed blade component 2 comprises a fixed blade block 21 and a sliding blade block 22, and the cutting blade component 3 comprises a limiting block 31 and a cutting blade block 32. The fixed blade block 21 is fixed to the side wall of the blade holder 1, the sliding blade block 22 is slidably connected to the side wall of the blade holder 1, and the sliding blade block 22 is slidably connected to the side wall of the fixed blade block 21; the limiting block 31 is slidably connected to the side wall of the blade holder 1, the side wall of the cutting blade block 32 is slidably connected to the side wall of the blade holder 1, and the side wall of the cutting blade block 32 is slidably connected to the side wall of the limiting block 31. The side wall of the cutting blade block 32 is fixed to the end of the connecting rod 4 away from the driving component 201. The side wall of the limiting block 31 is close to the fixed blade block 21, and the side wall of the cutting blade block 32 is close to the sliding blade block 22. When the staff uses the cutting mechanism to cut the steel wire, the driving member 201 drives the connecting rod 4 to slide, and the connecting rod 4 drives the cutting block 32 to slide toward the sliding block 22. At this time, the fixed knife block 21 and the limit block 31 are fixed in the relative position of the knife seat 1, and the cutting block 32 drives the sliding block 22 to slide on the side wall of the knife seat 1, and the steel wire is cut under the shear force of the cutting block 32.
[0043] Reference Figure 2The side wall of the cutter block 1 is slidably connected to a push plate 19, and the side wall of the cutter holder 11 is threadedly connected to a push rod 200. The side walls of the push plate 19 abut against the side walls of the cutting block 32 and the sliding block 22 respectively, and the end of the push rod 200 abuts against the side wall of the push plate 19 away from the cutting block 32. When the cutting block 32 and the sliding block 22 work for a long time, the side walls of the cutting block 32 and the sliding block 22 are worn. At this time, the cutting block 32 and the sliding block 22 can slide toward the limit block 31, and burrs are generated at the incision position of the steel wire during the steel wire cutting process. The staff tightens the push rod 200, and the push rod 200 pushes the push plate 19. Under the pressing action of the push plate 19, the cutting block 32 abuts against the side wall of the limit block 31. This arrangement increases the service life of the cutting mechanism and reduces the cost required for steel wire production.
[0044] Reference Figure 1 and Figure 2 A through hole 12 is provided on the side wall of the tool holder 11, and the connecting rod 4 is fixed to the side wall of the cutting block 32 through the through hole 12. The side wall of the blocking plate 17 is threadedly connected with a locking pin 18, and the locking pin 18 is arranged opposite to the fixed knife block 21. When the staff uses the cutting mechanism to cut the wire, the staff bolts the blocking plate 17 to the side wall of the tool holder 11. At this time, the staff tightens the locking pin 18, and the end of the locking pin 18 abuts against the side wall of the fixed knife block 21, and the fixed knife block 21 is fixed to the side wall of the tool holder 1.
[0045] Reference Figure 3 The side walls of the fixed knife block 21 and the sliding knife block 22 are both provided with a lower semicircular groove 5, and the side walls of the limit block 31 and the cutting knife block 32 are both provided with an upper semicircular groove 6. The lower semicircular groove 5 is respectively located at the position of the side wall of the fixed knife block 21 close to the limit block 31 and the position of the side wall of the sliding knife block 22 close to the cutting knife block 32. The upper semicircular groove 6 is respectively located at the position of the side wall of the limit block 31 close to the fixed knife block 21 and the position of the side wall of the cutting knife block 32 close to the sliding knife block 22. The radius of the upper semicircular groove 6 and the lower semicircular groove 5 are the same as the radius of the steel wire. When the staff uses the wire cutting mechanism to cut the steel wire, the side walls of the steel wire abut against the inner walls of the upper semicircular groove 6 and the inner walls of the lower semicircular groove 5, respectively, reducing the possibility of burrs at the fracture of the steel wire due to uneven force.
[0046] Reference Figure 3The side walls of the fixed knife block 21 and the cutting block 32 are both provided with connecting holes, the side wall of the fixed knife block 21 is installed with a first slide bar 8, and the side wall of the cutting block 32 is installed with a second slide bar 10. The first slide bar 8 and the second slide bar 10 are both interference fit with the connecting hole, the side wall of the slide block 22 is provided with a first slide groove 7, and the side wall of the limit block 31 is provided with a second slide groove 9. The first slide bar 8 is corresponding to the first slide groove 7, and the second slide bar 10 is corresponding to the second slide groove 9. In the embodiment of the present application, when the side wall of the first slide bar 8 abuts against the inner wall of the first slide groove 7, the sliding of the slide block 22 on the side wall of the fixed blade block 21 toward the cutting block 32 is restricted. At this time, the lower semicircular groove 5 located on the side wall of the fixed blade block 21 and the slide block 22 is connected. When the side wall of the second slide bar 10 abuts against the inner wall of the second slide groove 9, the sliding of the cutting block 32 on the side wall of the limit block 31 toward the direction away from the slide block 22 is restricted. At this time, the upper semicircular groove 6 located on the side wall of the limit block 31 and the cutting block 32 is connected.
[0047] Reference Figure 2 and Figure 3 The side wall of the slide block 22 is installed with a return spring 14, and the side wall of the limit block 31 is installed with a limit spring 15. One end of the return spring 14 is fixed to the side of the slide block 22 away from the cutting block 32, and the other end of the return spring 14 is fixed to the side wall of the tool holder 11. One end of the limit spring 15 is fixed to the side of the limit block 31 away from the fixed knife block 21, and the other end of the limit spring 15 is fixed to the side wall of the tool holder 11. The setting of the return spring 14 enables the side wall of the slide block 22 to abut against the side wall of the cutting block 32, and the setting of the limit spring 15 enables the side wall of the limit block 31 to abut against the side wall of the fixed knife block 21. The side wall of the tool holder 11 is threadedly connected with an adjusting rod 16, and one end of the adjusting rod 16 is close to the side wall of the limit block 31 away from the fixed knife block 21. The setting of the adjusting rod 16 limits the distance that the limit block 31 slides on the side wall of the tool holder 1, so that the distance between the limit block 31 and the fixed knife block 21 does not exceed the diameter of the steel wire, reducing the possibility of the steel wire slipping out of the upper semicircular groove 6 or the lower semicircular groove 5, and increasing the stability of the steel wire cutting process.
[0048] The implementation principle of a burr-free wire cutting mechanism in the embodiment of the present application is as follows: when the staff uses the cutting mechanism to process the steel wire, the staff starts the driving part 201 and the feeding part 202. At this time, the feeding part 202 feeds the steel wire into the interior of the cutting mechanism, and the steel wire slides into the lower semicircular groove 5 through the wire opening 13. The limit block 31 cooperates with the fixed knife block 21 to fix the steel wire on the inner wall of the upper semicircular groove 6 and the lower semicircular groove 5. The driving part 201 drives the connecting rod 4 to slide on the side wall of the knife holder 11, and the connecting rod 4 drives the cutting block 32 to slide in the direction of the sliding block 22. The sliding of the fixed knife block 21 and the limiting block 31 is restricted. The cutting block 32 drives the sliding block 22 to slide on the side wall of the knife holder 1. The steel wire is broken under the shear force of the cutting block 32. This setting makes the fracture of the steel wire smooth and reduces the influence of the fracture burrs on the application process of the steel wire.
[0049] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.
Claims
1. A burr-free wire cutting mechanism, characterized in that: include: Knife holder(1); The fixed knife member (2) comprises a fixed knife block (21) and a sliding knife block (22), wherein the fixed knife block (21) is fixed to the side wall of the knife seat (1), the sliding knife block (22) is slidably connected to the side wall of the knife seat (1), and the side wall of the sliding knife block (22) is slidably connected to the side wall of the fixed knife block (21); The cutting member (3) comprises a limiting block (31) and a cutting block (32), wherein the limiting block (31) is slidably connected to the side wall of the knife seat (1), and the cutting block (32) is slidably connected to the side wall of the knife seat (1) and the side wall of the limiting block (31), respectively, and the side wall of the limiting block (31) can abut against the side wall of the fixed knife block (21), and the side wall of the cutting block (32) can abut against the side wall of the sliding knife block (22); A connecting rod (4) is fixed to the side wall of the cutting block (32), a lower semicircular groove (5) is provided on the side walls of the fixed knife block (21) and the sliding knife block (22), an upper semicircular groove (6) is provided on the side walls of the limiting block (31) and the cutting block (32), and the lower semicircular groove (5) and the upper semicircular groove (6) are arranged opposite to each other.
2. The burr-free wire cutting mechanism according to claim 1, characterized in that: The side wall of the sliding block (22) is provided with a first sliding groove (7), the side wall of the fixed knife block (21) is fixed with a first sliding rod (8), the side wall of the limit block (31) is provided with a second sliding groove (9), and the side wall of the cutting block (32) is fixed with a second sliding rod (10), the side wall of the first sliding rod (8) is slidably connected to the inner wall of the first sliding groove (7), and the side wall of the second sliding rod (10) is slidably connected to the inner wall of the second sliding groove (9).
3. The burr-free wire cutting mechanism according to claim 1, characterized in that: A plurality of tool holders (11) are fixed to the side walls of the tool holder (1), and the side walls of the tool holders (11) are respectively provided with through holes (12) and wire openings (13). The side walls of the connecting rod (4) are slidably connected to the inner walls of the through holes (12), and the upper semicircular groove (6) and the lower semicircular groove (5) are both connected to the wire openings (13).
4. The burr-free wire cutting mechanism according to claim 3, characterized in that: A return spring (14) is fixed to the side wall of the slide block (22), one end of the return spring (14) is fixed to the side wall of the slide block (22), and the other end of the return spring (14) is fixed to the side wall of the tool holder (11).
5. The burr-free wire cutting mechanism according to claim 3, characterized in that: A limiting spring (15) is fixed to the side wall of the limiting block (31), one end of the limiting spring (15) is fixed to the side wall of the limiting block (31), and the other end of the limiting spring (15) is fixed to the side wall of the tool holder (11). The side wall of the tool holder (11) is threadedly connected with an adjusting rod (16), and the end of the adjusting rod (16) abuts against the side wall of the limiting block (31).
6. The burr-free wire cutting mechanism according to claim 3, characterized in that: A blocking plate (17) is fixed to the side wall of the tool holder (11), and the side walls of the blocking plate (17) are respectively close to the side walls of the fixed knife block (21), the sliding knife block (22), the limiting block (31) and the cutting knife block (32).
7. The burr-free wire cutting mechanism according to claim 6, characterized in that: The side wall of the blocking plate (17) is threadedly connected with a locking pin (18), and the end of the locking pin (18) abuts against the side wall of the fixed blade block (21).
8. The burr-free wire cutting mechanism according to claim 6, characterized in that: The side wall of the knife seat (1) is slidably connected to a push plate (19), and the side wall of the push plate (19) is also provided with the wire opening (13). The side wall of the knife holder (11) is threadedly connected to a plurality of push rods (200), and the ends of the push rods (200) abut against the side wall of the push plate (19), and the side wall of the push plate (19) abuts against the side wall of the sliding block (22) and the side wall of the cutting block (32).
9. The burr-free wire cutting mechanism according to claim 6, characterized in that: The side walls of the knife seat (1) are respectively provided with a driving member (201) and a feeding member (202), wherein the driving member (201) is used to drive the connecting rod (4) to slide on the inner wall of the through hole (12), and the feeding member (202) is used to push the steel wire to slide toward the wire opening (13).