Protective steel wire cutting machine

Abstract

The utility model relates to a protection type steel wire cutting machine which comprises a support assembly, a support of the support assembly is hinged to a cutting machine support of an electric cutting assembly through an installation shaft, a cutting machine body is fixed in the cutting machine support, and an opening and closing type protection assembly is installed outside a cutting piece at the shaft outlet end of the right side of the cutting machine body. According to the cutting machine, the opening and closing type protection assembly is adopted for conducting power-off totally-closed protection on the cutting blade when cutting is not conducted, when a handle of the cutting machine is pressed down during cutting, the cutting blade is exposed out of an opening in the bottom of the opening and closing type protection assembly, meanwhile, the cutting machine is powered on, and environmental sanitation and personal safety can be greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cutting equipment, in particular to a protective wire cutter, which is specially used for cutting the wire heads of thick-diameter steel wires before welding. Background Art

[0002] Wire butt welding machine is an essential welding equipment for steel wire product manufacturers. It is often used to connect the head and tail of a whole roll of steel wire during the wire drawing process and to connect the joints after breakage during the drawing process. It is an essential equipment for continuous production of manufacturers.

[0003] When producing thicker diameter (φ8-20mm) steel wire, due to its elastic properties, especially high-strength steel wire, the raw material strength of which can reach 1200MPA, the wire ends must be cut flat before welding to achieve optimal welding results. Current cutters on the market lack safety features, with the bottom of the blade exposed and unprotected, potentially causing injuries. Furthermore, the cutting effect is poor, and sparks and smoke are produced during cutting, posing a hazard to the operator. Utility Model Content

[0004] The purpose of the present invention is to overcome the above-mentioned shortcomings and provide a protective wire cutting machine, which solves the problem of fully enclosed protection of high-strength steel wire during cutting and is equipped with a cutting spark collection box, which can greatly improve environmental hygiene and life safety.

[0005] The purpose of this utility model is achieved in this way:

[0006] A protective wire cutting machine comprises a bracket assembly, an electric cutting assembly and an opening and closing protective assembly, wherein the bracket assembly comprises a bracket, and the bracket is hinged to the cutting machine bracket of the electric cutting assembly through an installation shaft, a cutting machine body is fixed in the cutting machine bracket, and an opening and closing protective assembly is installed outside the cutting blade at the right side of the shaft end of the cutting machine body, and the opening and closing protective assembly comprises a fixed protective cover, a movable protective cover and a connecting rod, and 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, the cutter body and the cutter bracket are connected and fixed by a fixing screw, and the top of the fixing screw is connected to the cutter handle.

[0008] Preferably, the right center of the fixed protective cover and the right center of the movable protective cover are hinged by a rotating screw, and the rotating screw and the upper and lower hinge points of the connecting rod form a triangle.

[0009] 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.

[0010] Preferably, a cutting spark collecting box is further provided on the bracket, and the cutting spark collecting box is correspondingly arranged below the openable and closable 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 stroke control switch corresponding to the limit cam.

[0012] Preferably, the tail portion of the cutting spark collecting box is detachable, and an avoidance groove is provided at the front end of the cutting spark collecting box corresponding to the cutting blade.

[0013] Preferably, the bracket is also provided with a cutting machine limiter.

[0014] Preferably, the front side of the bottom of the movable protective cover is provided with cowhide protection.

[0015] The beneficial effects of the utility model are:

[0016] Before cutting, the opening and closing protection assembly fully encloses the cutting blade for protection; when cutting is required, the cutter handle is pressed down, and the cutter bracket drives the cutter body, the fixed protective cover and the stroke control switch to swing around the mounting axis. 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 empty 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 energized. The cutter body drives the cutting blade to rotate at high speed to cut the wire, thereby improving the operation safety.

[0017] Equipped with a cutting spark collection box to collect cutting sparks, reduce spark splashing, and greatly improve environmental hygiene. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a structural diagram of a protective wire cutting machine of the present invention (uncutting state).

[0019] Figure 2 for Figure 1 rear view.

[0020] Figure 3 This is a structural diagram of a protective wire cutter of the present invention (cutting state).

[0021] Figure 4 for Figure 3 rear view.

[0022] Figure 5 It is a schematic diagram of the internal structure of the utility model.

[0023] Figure 6 A schematic diagram of the three-dimensional structure of the fixed protective cover.

[0024] Figure 7 It is a schematic diagram of the three-dimensional structure of the movable protective cover.

[0025] Including: bracket assembly 1; bracket 1.1; mounting shaft 1.2; cutting spark collection box 1.3; avoidance groove 1.3.1; limit cam 1.4; tightening nut 1.5; cutting machine limit 1.6; electric cutting assembly 2; cutting machine bracket 2.1; cutting machine body 2.2; cutting disc 2.2.1; fixing screw 2.3; cutting machine handle 2.4; stroke control switch 2.5; opening and closing protection assembly 3; fixed protective cover 3.1; fixing ring 3.1.1; spacer 3.1.2; movable protective cover 3.2; avoidance hole 3.2.1; sleeve 3.2.2; connecting rod 3.3; rotating screw 3.4; leather protection 3.5. DETAILED DESCRIPTION

[0026] See also Figure 1-7The utility model relates to a protective wire cutter, comprising a bracket assembly 1, an electric cutting assembly 2 and an opening and closing protective assembly 3, wherein the bracket assembly 1 comprises a bracket 1.1, which is formed by bending a steel plate, and a mounting shaft 1.2 is horizontally welded on the top left side of the bracket 1.1, and the mounting shaft 1.2 is connected to the cutting machine bracket 2.1 of the electric cutting assembly 2, and a mounting sleeve is provided at the bottom of the cutting machine bracket 2.1 corresponding to the mounting shaft 1.2, so that the electric cutting assembly 2 can rotate around the mounting shaft 1.2, and a cutting machine body 2.2 is fixed in the cutting machine bracket 2.1, and the cutting machine body 2.2 is connected and fixed to the cutting machine bracket 2.1 by a fixing screw 2.3, and the top of the fixing screw 2.3 is connected to the cutting machine handle 2.4, and the cutting machine body 2 .2 is provided with a cutting blade 2.2.1 at the right side output shaft end, and an opening and closing protection component 3 is installed outside the cutting blade 2.2.1. The opening and closing protection component 3 includes a fixed protective cover 3.1, a movable protective cover 3.2 and a connecting rod 3.3. The fixed protective cover 3.1 is provided outside the cutting blade 2.2.1, and the movable protective cover 3.2 is provided outside the fixed protective cover 3.1. The front of the fixed protective cover 3.1 is open, and the rear of the movable protective cover 3.2 is open. The left center of the fixed protective cover 3.1 is fixed to the cutting machine body 2.2 by a welded fixing ring 3.1.1, and the right center is hinged to the movable protective cover 3.2. The left side of the movable protective cover 3.2 corresponds to the fixing ring and is provided with an avoidance hole 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 2.2.1, the fixed protective cover 3.1 and the movable protective cover 3.2 are on the same axis. The connecting rod 3.3 is arranged on the right side of the movable protective cover 3.2. One end of the connecting rod 3.3 is hinged to the upper part of the movable protective cover 3.2, and the other end is hinged to the bracket assembly 1.

[0027] The right center of the fixed protective cover 3.1 is hinged to the right center of the movable protective cover 3.2 via a rotating screw 3.4. The rotating screw 3.4 and the upper and lower hinge points of the connecting rod 3.3 form a triangle, enabling the coordinated opening and closing of the fixed protective cover 3.1 and the movable anti-slip cover 3.3. A spacer 3.1.2 is provided on the right side of the fixed protective cover 3.1, corresponding to the rotating screw 3.4. The spacer 3.1.2 has a threaded hole. A sleeve 3.2.2 is provided on the right side of the movable protective cover 3.2, corresponding to the rotating screw 3.4. The rotating screw 3.4 is inserted into the sleeve 3.2.2 and fixed to the spacer 3.1.2, thus achieving the hinged connection between the fixed protective cover 3.1 and the movable anti-slip cover 3.2.

[0028] The bracket 1.1 is also provided with a cutting spark collection box 1.3, which is correspondingly arranged below the retractable protective assembly 3. The front end of the cutting spark collection box 1.3 is open, and the electric sparks generated during cutting enter the cutting spark collection box 1.3 for collection. The tail of the cutting spark collection box 1.3 is detachable. When the cutting spark collection box 1.3 is full, the fixing screws are removed, the tail of the cutting spark collection box is removed, and it can be cleaned before use. An avoidance groove 1.3.1 is also provided at the front end of the cutting spark collection box 1.3, corresponding to the cutting blade 2.2.1, to prevent the cutting blade 2.2.1 from colliding with the cutting spark collection box 1.3 after being pressed down.

[0029] The mounting shaft 1.2 is also provided with a limit cam 1.4 and a clamping nut 1.5. The limit cam 1.4 is positioned on the left side of the mounting sleeve of the cutter bracket 2.1, and the left side of the limit cam 1.4 is locked by the clamping nut 1.5. The cutter bracket 2.1 is provided with a stroke control switch 2.5 corresponding to the limit cam 1.4. The stroke control switch 2.5 and the limit cam 1.4 work together to control the power supply to the cutter. When the cutter handle is pressed downward, the cutter bracket 2.1 drives the stroke control switch 2.5 and the cutter body 2.2 to swing around the mounting shaft 1.2. During the swing, the stroke control switch 2.5 is pressed by the limit cam 1.4, forcing the stroke control switch 2.5 to conduct electricity, and the cutter body 2.2 drives the cutting blade 2.2.1 to rotate at high speed to cut the wire.

[0030] The bracket 1.1 is also provided with a cutting machine limit 1.6, which is used to adjust and control the lower limit position of the cutting of the cutting machine body 2.2.

[0031] The bottom front side of the movable protective cover 3.2 is provided with a cowhide protection 3.5, which is used to block the sparks generated forward when cutting the steel wire.

[0032] Working principle:

[0033] Before cutting, the opening and closing protection assembly fully encloses the cutting disc for protection; when cutting is required, the cutter handle 2.4 is pressed down, and the cutter bracket 2.1 drives the cutter body 2.2, the fixed protective cover 3.1 and the stroke control switch 2.5 to swing around the mounting shaft 1.2. At the same time, the movable protective cover 3.2 rotates around the rotating screw 3.4 under the action of the connecting rod 3.3, so that the bottom of the fixed protective cover 3.1 and the movable protective cover 3.2 are opened at the same time, and the cutting disc 2.2.1 is exposed in the empty area at the bottom of the movable protective cover 3.1 and the fixed protective cover 3.2. The stroke control switch 2.5 is pressed by the limit cam 1.4 during the swinging, forcing the stroke control switch 2.5 to be energized, and the cutter body 2.2 drives the cutting disc 2.2.1 to rotate at high speed to cut the wire.

[0034] In addition to the above embodiments, the present invention also includes other implementation methods. Any technical solutions formed by equivalent transformation or equivalent replacement should fall within the scope of protection of the claims of the present invention.

Claims

1. A protective wire cutting machine, characterized by: The utility model comprises a bracket assembly, an electric cutting assembly and an opening and closing protective assembly, wherein the bracket assembly comprises 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 an opening and closing protective assembly is installed outside the cutting blade at the right side of the shaft end of the cutting machine body, and the opening and closing protective assembly comprises a fixed protective cover, a movable protective cover and a connecting rod, and 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.

2. The protective wire cutter according to claim 1, characterized in that: The cutting machine body and the cutting machine bracket are connected and fixed by a fixing screw, and the top of the fixing screw is connected to the cutting machine handle.

3. The protective wire cutter according to claim 1, characterized in that: The right center of the fixed protective cover and the right center of the movable protective cover are hinged by a rotating screw, and the rotating screw and the upper and lower hinge points of the connecting rod form a triangle.

4. The protective wire cutter according to claim 3, 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, and the rotating screw is fixed to the spacer after being inserted into the sleeve.

5. The protective wire cutter according to claim 1, characterized in that: A cutting spark collecting box is further provided on the bracket. The cutting spark collecting box is correspondingly arranged below the retractable protection component 3, and the front end of the cutting spark collecting box is open.

6. The protective wire cutter 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 stroke control switch corresponding to the limit cam.

7. The protective wire cutter according to claim 5, characterized in that: The tail of the cutting spark collecting box is detachable, and an avoidance groove is provided at the front end of the cutting spark collecting box corresponding to the cutting blade.

8. The protective wire cutter according to claim 1, characterized in that: The bracket is also provided with a cutting machine limiter.

9. The protective wire cutter according to claim 1, characterized in that: The front side of the bottom of the movable protective cover is provided with cowhide protection.

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