Efficient steel wire cutting device and cutting method
By designing wire cutting fixtures and protective wire cutting machines with three sides, the problems of low safety and poor cutting effects of wire cutting machines in the prior art are solved, and efficient and safe wire cutting effects are achieved.
Patent Information
- Application Number
- CN202411555217.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-04
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2044-11-04
AI Technical Summary
When cutting thick-diameter steel wires, existing wire cutting machines have low safety, no protection at the bottom of the cutting sheet, which is prone to injury accidents, and the cutting effect is poor, accompanied by sparks and smoke.
An efficient wire cutting device is designed, using three-sided clamped wire cutting fixtures and protective wire cutting machines. The clamp achieves straight clamping of the steel wire through bidirectional screws and movable clamping jaws. The protective cutting machine is equipped with open-closed protective components and a cutting spark collection box to improve operational safety and environmental sanitation.
Through the design of three-sided clamping and protective components, the safety and effect of cutting is significantly improved, the wire is prevented from slipping, the cutting surface is flat, and spark splashing and smoke are reduced, which improves the safety and hygiene of the operating environment.
Smart Images
Figure CN119456874A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of cutting equipment, and in particular to a high-efficiency steel wire cutting device and a cutting method, which are specially used for cutting the steel wire head of a thick-diameter steel wire before welding. Background Art
[0002] Wire butt welding machine is an essential welding equipment for steel wire product enterprises. It is often used for connecting the head and tail of a whole roll of steel wire during the wire drawing process and for connecting the wires after they break during the drawing process. It is an essential equipment for continuous production of manufacturing enterprises.
[0003] In the production of thicker diameter (φ8-20mm) steel wire, due to the elastic properties of steel wire, especially high-strength steel wire, the strength of the raw material supply state reaches 1200MPA. In order to make the welding effect of the butt welding machine better, the end of the steel wire must be cut flat by a cutting machine before welding. The cutting machine on the market is currently less safe, the cutting part at the bottom of the cutting blade is not protected, and the bottom of the cutting blade is always exposed, which may cause injuries, and the cutting effect is not good. Sparks fly and smoke is accompanied during cutting, which causes harm to the operator. Summary of the invention
[0004] The purpose of the present invention is to overcome the above-mentioned shortcomings and provide an efficient wire cutting device and cutting method. The wire is clamped on three sides before cutting. The cutting machine is equipped with an opening and closing protective component to greatly improve environmental hygiene and life safety.
[0005] The object of the present invention is achieved in that: An efficient wire cutting device comprises a wire cutting fixture and a protective wire cutting machine, wherein the wire cutting fixture is fixed at a suitable position of a wire butt welding machine through a contour pad, and the protective wire cutting machine is fixed to the right side of the wire cutting fixture through a bracket; The wire cutting clamp comprises a clamp body, a bidirectional screw, a fixed clamping jaw and two movable clamping jaws, wherein the fixed clamping jaw is fixed to the top surface of the clamp body, the bidirectional screw is supported in the clamp body, a rotating force adding rod is arranged at one end of the bidirectional screw extending out of the clamp body, the screw parts on the front and rear sides of the bidirectional screw are symmetrically connected to active nuts, each active nut is hinged to a power arm, a pin is arranged in the middle of the power arm, the pin is fixed to the clamp body, a movable clamping jaw is fixed on the top of each power arm, and the fixed clamping jaw and the two left-right symmetrical movable clamping jaws are distributed in a triangle; The protective wire cutting machine includes a bracket assembly, an electric cutting assembly and an opening and closing protective assembly. The bracket assembly includes a bracket, and the bracket is hinged to the cutting machine bracket of the electric cutting assembly through an installation shaft. The cutting machine body is fixed in the cutting machine bracket, and the opening and closing protective assembly is installed outside the cutting piece at the shaft end on the right side of the cutting machine body.
[0006] Preferably, the opening and closing protective assembly includes a fixed protective cover, a movable protective cover and a connecting rod. The movable protective cover is arranged outside the fixed protective cover. The fixed protective cover is open in the front and the movable protective cover is open in the back. The centers of the cutting blade, the fixed protective cover and the movable protective cover are on the same axis. The left center of the fixed protective cover is fixed to the cutting machine body by a welded fixing ring, and the right center is hinged to the movable protective cover. One end of the connecting rod is hinged to the upper part of the movable protective cover, and the other end is hinged to the bracket assembly.
[0007] Preferably, a limit block is provided on the central polished rod portion of the bidirectional screw, and the limit block and the fixed clamping jaw are arranged on the same center line. A slot for clamping the limit block is provided in the clamp body just below the fixed clamping jaw.
[0008] Preferably, the power arm adopts a multi-section structure, including a driving arm and a driven arm, the active arm is hinged with the active nut, the top of the active arm is inserted into the driven arm and then hinged through a pin shaft, and the movable clamping jaw is arranged on the top of the driven arm.
[0009] Preferably, the right center of the fixed protective cover is hinged to the right center of the movable protective cover by a rotating screw, and the rotating screw and the upper and lower hinge points of the connecting rod form a triangle.
[0010] Preferably, a cutting spark collecting box is further provided on the bracket, and the cutting spark collecting box is correspondingly arranged below the opening and closing protection component, and the front end of the cutting spark collecting box is open.
[0011] Preferably, a limit cam and a tightening nut are also provided on the installation shaft. The limit cam is arranged on the left side of the installation sleeve at the bottom of the cutting machine bracket. The left side of the limit cam is locked by the tightening nut. The cutting machine bracket is provided with a travel control switch corresponding to the limit cam.
[0012] Preferably, a spacer is provided on the right side of the fixed protective cover corresponding to the rotating screw, and a threaded hole is provided on the spacer. A sleeve is provided on the right side of the movable protective cover corresponding to the rotating screw, and the rotating screw is fixed to the spacer after being inserted into the sleeve.
[0013] A cutting method of a high-efficiency wire cutting device, using the above-mentioned high-efficiency wire cutting device, comprises the following steps: The steel wire is put into the V-shaped groove corresponding to the fixed clamping jaw of the steel wire cutting fixture. The head of the steel wire to be cut is located under the corresponding cutting blade of the protective steel wire cutting machine. The two-way screw is rotated, and the two flexible nuts drive the corresponding power arm and the movable clamping jaw on it to clamp the steel wire with the pin as the center. The steel wire is limited in the middle of the triangle surrounded by the fixed clamping jaw and the movable clamping jaw; Press down the cutter handle, the cutter bracket drives the cutter body, the fixed protective cover and the stroke control switch to swing around the installation axis, and at the same time, the movable protective cover rotates around the rotating screw under the action of the connecting rod, so that the bottom of the fixed protective cover and the movable protective cover are opened at the same time, and the cutting blade is exposed in the vacant area at the bottom of the movable protective cover and the fixed protective cover. The stroke control switch is pressed by the limit cam during the swing, forcing the stroke control switch to be turned on and energized, and the cutter body drives the cutting blade to rotate at high speed to cut the wire; After cutting is completed, loosen the handle of the cutting machine, turn off the power of the cutting machine, rotate the bidirectional screw in the opposite direction, release the steel wire with the movable clamping jaws, and take out the steel wire.
[0014] The beneficial effects of the present invention are: By setting three clamping jaws, and the fixed clamping jaw and two symmetrical movable clamping jaws are distributed in a triangle, the bidirectional screw drives the two movable clamping jaws set in front and behind to press down, ensuring the straightness of the steel wire while fixing the clamped steel wire in the middle of the triangle, so as to implement safe and reliable clamping of the steel wire, and the steel wire will not slip out of the cutting fixture during the cutting process, which greatly improves the safety of cutting. At the same time, because the head of the steel wire is clamped and fixed in the cutting fixture straight, the cutting effect is greatly improved, and the cutting surface is flat; Before cutting, the opening and closing protection assembly fully encloses the cutting disc for protection; when cutting is required, the handle of the cutting machine is pressed down, and the cutting machine bracket drives the cutting machine body, the fixed protective cover and the stroke control switch to swing around the installation axis, and at the same time, the movable protective cover rotates around the rotating screw under the action of the connecting rod, so that the bottom of the fixed protective cover and the movable protective cover are opened at the same time, and the cutting disc is exposed in the vacant area at the bottom of the movable protective cover and the fixed protective cover. The stroke control switch is pressed by the limit cam during the swing, forcing the stroke control switch to be turned on and energized, and the cutting machine body drives the cutting disc to rotate at high speed to cut the wire, thereby improving the safety of operation; Equipped with a cutting spark collection box to collect cutting sparks, reduce spark splashing, and greatly improve environmental hygiene. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 The figure is a schematic structural diagram of a high-efficiency wire cutting device of the present invention.
[0016] Figure 2 for Figure 1 Side view of.
[0017] Figure 3 It is a structural schematic diagram of the wire cutting fixture.
[0018] Figure 4 Schematic diagram of the internal structure of the wire cutting fixture.
[0019] Figure 5The following is a schematic diagram of the specific structure of the clamp.
[0020] Figure 6 This is a schematic diagram of the structure of the power arm.
[0021] Figure 7 This is a schematic diagram of the working state of the wire cutting clamp clamping the wire.
[0022] Figure 8 It is a schematic diagram of the structure of the protective wire cutting machine (uncutting state).
[0023] Fig. 9 for Figure 8 Rear view of.
[0024] Fig.10 It is a schematic diagram of the structure of the protective wire cutting machine (cutting state).
[0025] Fig.11 for Fig.10 Rear view of.
[0026] Fig.12 This is a schematic diagram of the internal structure of a protective wire cutting machine.
[0027] Fig.13 A schematic diagram of the three-dimensional structure of the fixed protective cover.
[0028] Fig.14 It is a schematic diagram of the three-dimensional structure of the movable protective cover.
[0029] Among them: wire cutting clamp 1; clamp body 1.1; jaw groove 1.1.1; pin shaft hole 1.1.2; slot 1.1.3; bidirectional screw 1.2; fixed clamping jaw 1.3; V-shaped groove 1.3.1; movable clamping jaw 1.4; rotating force rod 1.5; limit block 1.6; flexible nut 1.7; pin shaft 1.8; power arm 1.9; active arm 1.9.1; driven arm 1.9.2; protective wire cutting machine 2; bracket assembly 2.1; bracket 2.1.1; mounting shaft 2.1.2; cutting spark collection box 2.1.3; avoidance groove 2.1.3.1; limit cam 2.1.4; tightening nut 2.1.5; cutting machine limit 2.1.6; electric cutting assembly 2.2; cutting machine bracket 2.2.1; cutting machine body 2.2.2; cutting disc 2.2.2.1; fixing screw 2.2.3; cutting machine handle 2.2.4; stroke control switch 2.2.5; opening and closing protection assembly 2.3; fixed protection cover 2.3.1; fixing ring 2.3.1.1; spacer 2.3.1.2; movable protection cover 2.3.2; avoidance hole 2.3.2.1; sleeve 2.3.2.2; connecting rod 2.3.3; rotating screw 2.3.4; cowhide protection 2.3.5; contour pad 3; bracket 4; steel wire 5. DETAILED DESCRIPTION
[0030] See also Figure 1-14 The present invention relates to an efficient wire cutting device, comprising a wire cutting fixture 1 and a protective wire cutting machine 2. The wire cutting fixture 1 is fixed at a suitable position of the wire butt welding machine through a contour pad 3, and the protective wire cutting machine is fixed to the right side of the wire cutting fixture through a bracket 4. The wire cutting fixture 1 comprises a clamp body 1.1, a bidirectional screw 1.2, a fixed clamping jaw 1.3 and two movable clamping jaws 1.4. The clamp body 1.1 is fixed at a suitable position of the wire butt welding machine. The clamp body 1. 1 is an integral casting, the fixed clamping jaw 1.3 is fixed on the top surface of the clamp body 1.1, the top surface of the clamp body 1.1 is provided with a jaw groove 1.1.1 corresponding to the fixed clamping jaw 1.3, the fixed clamping jaw 1.3 is fixed in the jaw groove 1.1.1 by a hexagon socket screw, the bidirectional screw 1.2 is supported in the clamp body 1.1, and one end of the bidirectional screw 1.2 extending out of the clamp body 1.1 is provided with a rotating force rod 1.5, and the rotating force rod 1.5 is used for the forward and reverse rotation of the bidirectional screw 1.2. The central polished rod part of the bidirectional screw 1.2 is provided with a limit block 1.6, and the screw parts on the front and rear sides are symmetrically connected with active nuts 1.7, each active nut 1.7 is hinged to a power arm 1.9, and a pin 1.8 is provided in the middle of the power arm 1.9, and the pin 1.8 is fixed on the clamp body 1.1, and a movable clamping jaw 1.4 is fixed on the top of each power arm 1.9, and the movable clamping jaw 1.4 is fixed on the power arm 1.9 with a screw, and the clamp body 1.1 is provided with a pin hole 1.1.2 corresponding to the pin 1.8. When the two active nuts 1.7 are close to or away from each other, the power arm 1.9 rotates around the pin 1.8, thereby realizing the movement of the movable clamping jaw 1.4.
[0031] The power arm 1.9 adopts a multi-section structure, including an active arm 1.9.1 and a driven arm 1.9.2. The active arm 1.9.1 is hinged to the active arm 1.9.1. The top of the active arm 1.9.1 is inserted into the driven arm 1.9.2 and then hinged through a pin 1.8. The movable clamping jaw 1.4 is arranged on the top of the driven arm 1.9.2.
[0032] The limit block 1.6 and the fixed clamping jaw 1.3 are arranged on the same center line, and a slot 1.1.3 for clamping the limit block 1.6 is provided in the clamp body 1.1 just below the fixed clamping jaw 1.3, so as to ensure that the two movable clamping jaws 1.4 are symmetrical.
[0033] The protective wire cutter 2 comprises a bracket assembly 2.1, an electric cutting assembly 2.2 and an opening and closing protective assembly 2.3. The bracket assembly 2.1 comprises a bracket 2.1.1, which is formed by bending a steel plate. A mounting shaft 2.1.2 is horizontally welded on the top left side of the bracket 2.1.1. The mounting shaft 2.1.2 is connected to a cutter bracket 2.2.1 of the electric cutting assembly 2.2. A mounting sleeve is provided at the bottom of the cutter bracket 2.2.1 corresponding to the mounting shaft 2.1.2, so that the electric cutting assembly 2.2 can rotate around the mounting shaft 2.1.2. A cutter body 2.2.2 is fixed in the cutter bracket 2.2.1. The cutter body 2.2.2 is connected and fixed to the cutter bracket 2.2.1 by a fixing screw 2.2.3. The top of the fixing screw 2.2.3 is connected to a cutter handle 2.2.4. The cutter body 2.2 .2 is provided with a cutting disc 2.2.2.1 at the right shaft end, and an opening and closing protection component 2.3 is installed outside the cutting disc 2.2.2.1. The opening and closing protection component 2.3 includes a fixed protective cover 2.3.1, a movable protective cover 2.3.2 and a connecting rod 2.3.3. The fixed protective cover 2.3.1 is arranged outside the cutting disc 2.2.2.1, and the movable protective cover 2.3.2 is arranged outside the fixed protective cover 2.3.1. The front of the fixed protective cover 2.3.1 is open, and the rear of the movable protective cover 2.3.2 is open. The left center of the fixed protective cover 2.3.1 is fixed to the cutting machine body 2.2.2 by a welded fixing ring 2.3.1.1, and the right center is hinged to the movable protective cover 2.3.2. The left side of the movable protective cover 2.3.2 corresponds to the fixing ring and is provided with an avoidance hole 2.3.2.1, which does not affect the fixation of the fixed protective cover 3.2 to the casing of the cutting machine body. The centers of the cutting blade 2.2.2.1, the fixed protective cover 2.3.1 and the movable protective cover 2.3.2 are on the same axis. The connecting rod 2.3.3 is arranged on the right side of the movable protective cover 2.3.2. One end of the connecting rod 2.3.3 is hinged to the upper part of the movable protective cover 2.3.2, and the other end is hinged to the bracket assembly 2.1.
[0034] The right center of the fixed protective cover 2.3.1 and the right center of the movable protective cover 2.3.2 are hinged by a rotating screw 2.3.4. The rotating screw 2.3.4 and the upper and lower hinges of the connecting rod 2.3.3 form a triangle to realize the linkage opening and closing of the fixed protective cover 2.3.1 and the movable anti-skid cover 3.3. The right side of the fixed protective cover 2.3.1 is provided with a spacer 2.3.1.2 corresponding to the rotating screw 2.3.4. The spacer 2.3.1.2 has a threaded hole. The right side of the movable protective cover 2.3.2 is provided with a sleeve 2.3.2.2 corresponding to the rotating screw 2.3.4. The rotating screw 2.3.4 is inserted into the sleeve 2.3.2.2 and fixed to the spacer 2.3.1.2 to realize the hinge connection between the fixed protective cover 2.3.1 and the movable anti-skid cover 3.2.
[0035] A cutting spark collection box 2.1.3 is also provided on the bracket 2.1.1. The cutting spark collection box 2.1.3 is correspondingly arranged below the opening and closing protection component 2.3. The front end of the cutting spark collection box 2.1.3 is open, and the electric sparks generated during cutting enter the cutting spark collection box 2.1.3 for collection. The tail of the cutting spark collection box 2.1.3 is detachable. When the cutting spark collection box 2.1.3 is full, remove the fixing screws, remove the tail of the cutting spark collection box, and use it after cleaning. An avoidance groove 2.1.3.1 is also provided at the front end of the cutting spark collection box 2.1.3 corresponding to the cutting disc 2.2.2.1 to prevent the cutting disc 2.2.2.1 from colliding with the cutting spark collection box 2.1.3 after being pressed down. It can also position the steel wire to be cut and quickly confirm the position of the cutting disc before cutting.
[0036] The installation shaft 2.1.2 is also provided with a limit cam 2.1.4 and a tightening nut 2.1.5. The limit cam 2.1.4 is arranged on the left side of the installation sleeve of the cutter bracket 2.2.1. The left side of the limit cam 2.1.4 is locked by the tightening nut 2.1.5. The cutter bracket 2.2.1 is provided with a stroke control switch 2.2.5 corresponding to the limit cam 2.1.4. The stroke control switch 2.2.5 and the limit cam 2.1.4 work together to control the on and off of the power supply of the cutter. Press down the cutter handle, the cutter bracket 2.2.1 drives the stroke control switch 2.2.5 and the cutter body 2.2.2 to swing around the installation shaft 2.1.2. The stroke control switch 2.2.5 is pressed by the limit cam 2.1.4 during the swing, forcing the stroke control switch 2.2.5 to be turned on and energized, and the cutter body 2.2.2 drives the cutting blade 2.2.2.1 to rotate at high speed to cut the steel wire.
[0037] The bracket 2.1.1 is also provided with a cutting machine limiter 2.1.6, which is used to adjust and control the lower limit position of the cutting of the cutting machine body 2.2.2.
[0038] The movable protective cover 2.3.2 is provided with a cowhide protection 2.3.5 at the front side of the bottom, and the cowhide protection 2.3.5 is used to block the sparks generated forward when cutting the steel wire.
[0039] By rotating the bidirectional screw 1.2, the two flexible nuts 1.7 drive the corresponding power arm 1.9 and the movable clamping jaw 1.4 thereon to open and close with the pin shaft 1.8 as the center, so as to realize the clamping and loosening of the steel wire. The fixed clamping jaw 1.3 and the two symmetrical movable clamping jaws 1.4 are distributed in a triangle, and the fixed clamping jaw 1.3 is provided with a V-shaped groove 1.3.1. The steel wire 5 to be clamped is placed in the V-shaped groove to ensure the straightness of the steel wire. The bidirectional screw 1.2 drives the two movable clamping jaws 1.4 set in the front and back to press down, so that the clamped steel wire is fixed in the middle of the triangle. The position of the clamped steel wire remains unchanged, thereby implementing safe and reliable clamping of the steel wire. The steel wire will not slip out of the cutting fixture during the cutting process, which greatly improves the safety of cutting. At the same time, since the head of the steel wire is clamped and fixed in the cutting fixture in a straight manner, the cutting effect is greatly improved and the cutting surface is smooth.
[0040] Before cutting, the opening and closing protection assembly fully encloses the cutting disc for protection; when cutting is required, the cutter handle 2.2.4 is pressed down, and the cutter bracket 2.2.1 drives the cutter body 2.2.2, the fixed protective cover 2.3.1 and the stroke control switch 2.2.5 to swing around the mounting shaft 2.1.2, and at the same time, the movable protective cover 2.3.2 rotates around the rotating screw 2.3.4 under the action of the connecting rod 2.3.3, so that the bottom of the fixed protective cover 2.3.1 and the movable protective cover 2.3.2 are opened at the same time, and the cutting disc 2.2.2.1 is exposed in the vacant area at the bottom of the movable protective cover 3.1 and the fixed protective cover 3.2, and the stroke control switch 2.2.5 is pressed by the limit cam 2.1.4 during the swing, forcing the stroke control switch 2.2.5 to be turned on and energized, and the cutter body 2.2.2 drives the cutting disc 2.2.2.1 to rotate at high speed to cut the wire.
[0041] In addition to the above embodiments, the present invention also includes other implementation modes. Any technical solutions formed by equivalent transformation or equivalent replacement should fall within the protection scope of the claims of the present invention.
Claims
1. An efficient wire cutting device, characterized in that: It includes a wire cutting fixture and a protective wire cutting machine, wherein the wire cutting fixture is fixed at a suitable position of the wire butt welding machine through a contour pad, and the protective wire cutting machine is fixed to the right side of the wire cutting fixture through a bracket; The wire cutting clamp comprises a clamp body, a bidirectional screw, a fixed clamping jaw and two movable clamping jaws, wherein the fixed clamping jaw is fixed to the top surface of the clamp body, the bidirectional screw is supported in the clamp body, a rotating force adding rod is arranged at one end of the bidirectional screw extending out of the clamp body, the screw parts on the front and rear sides of the bidirectional screw are symmetrically connected to active nuts, each active nut is hinged to a power arm, a pin is arranged in the middle of the power arm, the pin is fixed to the clamp body, a movable clamping jaw is fixed on the top of each power arm, and the fixed clamping jaw and the two left-right symmetrical movable clamping jaws are distributed in a triangle; The protective wire cutting machine includes a bracket assembly, an electric cutting assembly and an opening and closing protective assembly. The bracket assembly includes a bracket, and the bracket is hinged to the cutting machine bracket of the electric cutting assembly through an installation shaft. The cutting machine body is fixed in the cutting machine bracket, and the opening and closing protective assembly is installed outside the cutting piece at the shaft end on the right side of the cutting machine body.
2. The high-efficiency wire cutting device according to claim 1, characterized in that: The opening and closing protection assembly includes a fixed protection cover, a movable protection cover and a connecting rod. The movable protection cover is arranged outside the fixed protection cover. The fixed protection cover is open in the front and the movable protection cover is open in the back. The centers of the cutting blade, the fixed protection cover and the movable protection cover are on the same axis. The left center of the fixed protection cover is fixed to the cutting machine body by a welded fixing ring, and the right center is hinged to the movable protection cover. One end of the connecting rod is hinged to the upper part of the movable protection cover, and the other end is hinged to the bracket assembly.
3. The high-efficiency wire cutting device according to claim 1, characterized in that: A limit block is provided on the central polished rod portion of the bidirectional screw rod. The limit block and the fixed clamping jaw are arranged on the same central line. A slot for clamping the limit block is provided in the clamp body just below the fixed clamping jaw.
4. The high-efficiency wire cutting device according to claim 1, characterized in that: The power arm adopts a multi-section structure, including a driving arm and a driven arm. The active nut is hinged to the driving arm. The top of the driving arm is inserted into the driven arm and then hinged through a pin shaft. The movable clamping jaw is arranged on the top of the driven arm.
5. The high-efficiency wire cutting device according to claim 2, characterized in that: The right center of the fixed protective cover is hinged with the right center of the movable protective cover through a rotating screw, and the rotating screw and the upper and lower hinge points of the connecting rod form a triangle.
6. The high-efficiency wire cutting device according to claim 1, characterized in that: A cutting spark collecting box is also provided on the bracket. The cutting spark collecting box is correspondingly arranged below the opening and closing protection component, and the front end of the cutting spark collecting box is open.
7. The high-efficiency wire cutting device according to claim 1, characterized in that: A limit cam and a tightening nut are also provided on the installation shaft. The limit cam is arranged on the left side of the installation sleeve at the bottom of the cutting machine bracket. The left side of the limit cam is locked by the tightening nut. The cutting machine bracket is provided with a travel control switch corresponding to the limit cam.
8. The high-efficiency wire cutting device according to claim 2, characterized in that: A spacer is provided on the right side of the fixed protective cover corresponding to the rotating screw, and a threaded hole is provided on the spacer. A sleeve is provided on the right side of the movable protective cover corresponding to the rotating screw. The rotating screw is fixed to the spacer after being inserted into the sleeve.
9. The cutting method of the high-efficiency wire cutting device according to claim 1, characterized in that: The high-efficiency wire cutting device according to any one of claims 1 to 8 comprises the following steps: The steel wire is put into the V-shaped groove corresponding to the fixed clamping jaw of the steel wire cutting fixture. The head of the steel wire to be cut is located under the corresponding cutting blade of the protective steel wire cutting machine. The two-way screw is rotated, and the two flexible nuts drive the corresponding power arm and the movable clamping jaw on it to clamp the steel wire with the pin as the center. The steel wire is limited in the middle of the triangle surrounded by the fixed clamping jaw and the movable clamping jaw; Press down the cutter handle, the cutter bracket drives the cutter body, the fixed protective cover and the stroke control switch to swing around the installation axis, and at the same time, the movable protective cover rotates around the rotating screw under the action of the connecting rod, so that the bottom of the fixed protective cover and the movable protective cover are opened at the same time, and the cutting blade is exposed in the vacant area at the bottom of the movable protective cover and the fixed protective cover. The stroke control switch is pressed by the limit cam during the swing, forcing the stroke control switch to be turned on and energized, and the cutter body drives the cutting blade to rotate at high speed to cut the wire; After cutting is completed, loosen the handle of the cutting machine, turn off the power of the cutting machine, rotate the bidirectional screw in the opposite direction, release the steel wire with the movable clamping jaws, and take out the steel wire.
Citation Information
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