Power scrap scraping device for metal wires

Abstract

The utility model relates to the technical field of metal wire processing equipment, in particular to a power scrap scraping device for metal wires, which comprises a box body with a working cavity, and a wire inlet hole and a wire outlet hole are respectively arranged at two ends of the box body. A first drawing die module and a second drawing die module are respectively arranged in the working cavity close to the wire inlet hole and the wire outlet hole, and at least one scraping die module is arranged between the first drawing die module and the second drawing die module; the die scraping module comprises a scraping through hole allowing a metal wire to penetrate through, the first die drawing module comprises a first die drawing through hole, the second die drawing module comprises a second die drawing through hole, and the circle center of the wire inlet hole, the circle center of the first die drawing through hole, the circle center of the scraping through hole, the circle center of the second die drawing through hole and the circle center of the wire outlet hole are coaxial. The device is simple in structure, convenient to install and operate, good in machining effect and capable of accurately removing the oxide layer and the redundant part on the circumferential surface of the metal wire.

Description

TECHNICAL FIELD

[0001] The utility model relates to metal wire processing equipment technical field especially, it is a kind of power flower scraping device for metal wire. BACKGROUND

[0002] Metal wire refers to the cross section of the continuous linear metal material that is circular or special-shaped, length is much larger than diameter, which is made by plastic processing (such as drawing, rolling or extrusion process), is one of the basic forms of metal products, and is widely used in industry, construction, electronics, transportation and other fields.Commonly used are wire core materials, such as common copper wire and aluminum wire, which are the core materials that bear the function of conducting electricity in the wire, and their performance directly affects the conductivity efficiency, current-carrying capacity, mechanical strength and long-term stability of the wire.

[0003] Copper wire and aluminum wire are in contact with air for a long time during production and use, and the surface is easily oxidized to form an oxide layer.If copper wire with an oxide layer is directly used to set an insulating layer to make a wire, it will cause a comprehensive decline in conductivity (copper oxide or cuprous oxide is formed after copper oxidation, and its resistivity is much higher than that of pure copper), insulation (the surface roughness of the oxide layer is low and the chemical inertness is strong, making it difficult for insulating materials (such as PVC and XLPE) to form a tight bond), mechanical strength (the oxide layer is brittle, and when repeatedly bent or vibrated, the oxide layer may peel off, causing the insulating layer to crack) and corrosion resistance (copper oxide easily absorbs moisture in the environment, accelerating the further oxidation and electrochemical corrosion of the copper core), thereby increasing the safety hazard.

[0004] The utility model discloses a kind of efficient removal device of copper wire surface oxide layer, it includes: sand box, first grinding wheel, second grinding wheel, first wire wheel and second wire wheel, the first wire wheel and second wire wheel are oppositely arranged in sand box inner wall top, the first grinding wheel and second grinding wheel are arranged in sand box with interval, screen plate is arranged in sand box below second grinding wheel, abrasive particles are filled in sand box above screen plate and immerse first grinding wheel and second grinding wheel.The efficient removal device of copper wire surface oxide layer described in the utility model, copper wire can be rubbed with the surface of first grinding wheel and second grinding wheel when passing through first grinding wheel and second grinding wheel, the removal of copper wire surface oxide layer is carried out, and the removal effect and efficiency of oxide layer are further improved by using the shuttle of copper wire in abrasive particles, without oxygen scavenger, avoid the residue problem of oxygen scavenger.

[0005] The device can solve the problem of removing the oxide layer on the surface of the copper wire, but due to the friction of the grinding wheel and abrasive particles on the surface of the copper wire, it is impossible to achieve uniform friction on the surface of the copper wire, that is, the removal effect of the oxide layer on the contact surface of the copper wire with the grinding wheel is higher than that on the non-contact surface (the surface is rubbed by abrasive particles), and even the outer diameter of the copper wire may be deformed.

[0006] In addition, as the core of the wire, in order to adapt to the conductive specification, the circular outer diameter of the copper wire or aluminum wire also has strict requirements, and the above-mentioned device cannot control the diameter processing and cannot effectively recycle the copper skin scraped off.

[0007] Therefore, there is an urgent need for a new technical solution to solve the above technical problems. Content of the utility model

[0008] The utility model aims at overcoming the problems of the prior art, and provides a power flower-shaped scraping device for metal wire, which can solve the technical problems that the oxide layer on the surface of the metal wire cannot be uniformly removed by friction with the grinding wheel in the prior art, the outer diameter of the metal wire cannot be scraped to obtain a specified outer diameter, and the scraped copper skin cannot be effectively recycled.

[0009] The above-mentioned purpose is achieved by the following technical solutions:

[0010] A power flower-shaped scraping device for metal wire, comprising a box body with a working cavity, the box body is provided with an inlet hole and an outlet hole at both ends respectively, and a first drawing die module and a second drawing die module are arranged in the working cavity adjacent to the inlet hole and the outlet hole respectively, and at least one scraping die module is arranged between the first drawing die module and the second drawing die module; the scraping die module comprises a scraping through hole for the metal wire to pass through, the first drawing die module comprises a first drawing die through hole, the second drawing die module comprises a second drawing die through hole, and the centers of the inlet hole, the first drawing die through hole, the scraping through hole, the second drawing die through hole and the outlet hole are coaxial.

[0011] Further, a flying knife module is arranged in front of the scraping die module for rotating and cutting off the metal skin scraped by the scraping die module and remaining in the scraping through hole.

[0012] Further, the flying knife module comprises a motor arranged outside the box body, the rotating shaft of the motor penetrates the side wall of the box body and extends into the working cavity, and a flying knife assembly is sleeved on the rotating shaft.

[0013] Further, the flying knife assembly is composed of a plurality of multi-tooth shearing gears.

[0014] Further, a debris through slot is arranged at the bottom of the box body corresponding to the position of the scraping die module.

[0015] Further, the first drawing die module comprises a first abrasive drawing die, the first abrasive drawing die is sleeved by a first T-shaped drawing die seat having a first sleeve cavity matched with the outer shape of the first abrasive drawing die, and a first locking nut and a first retreat-stop nut capable of being fixedly connected with the inner wall of the first sleeve cavity are arranged at the front end and the rear end of the first abrasive drawing die respectively.

[0016] Further, the second drawing die module comprises a second abrasive drawing die, the second abrasive drawing die is sleeved by a second T-shaped drawing die seat having a second sleeve cavity matched with the outer shape of the second abrasive drawing die, and a second locking nut and a second retreat-stop nut capable of being fixedly connected with the inner wall of the second sleeve cavity are arranged at the front end and the rear end of the second abrasive drawing die respectively.

[0017] Further, the aperture of the second abrasive drawing die is smaller than the aperture of the first abrasive drawing die.

[0018] Further, the scraping die module comprises a scraping drawing die, the scraping drawing die is sleeved by a scraping die seat having a scraping sleeve cavity matched with the outer shape of the scraping drawing die, and a scraping locking nut capable of being fixedly connected with the inner wall of the scraping sleeve cavity is arranged at the front end of the scraping drawing die.

[0019] Further, the scraping die seat is fixed by a scraping die seat support plate arranged in the box body.

[0020] The power flower-scraping device for metal wire rod provided by the utility model realizes the removal of the oxidation layer on the outer surface of the metal wire rod and the scraping of the outer diameter of the metal wire rod to obtain a specified outer diameter through the coaxial first drawing die through hole, the scraping through hole, the second drawing die through hole and the wire outlet hole, and the copper scraps scraped off are further processed into chips through the setting of the flying knife module. The device has simple structure, convenient installation and operation, good processing effect and can realize the accurate removal of the circumferential surface oxidation layer and the excess part of the metal wire rod. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a side view perspective view of the power flower-scraping device for metal wire rod.

[0022] Figure 2 It is a top view perspective view of the power flower-scraping device for metal wire rod.

[0023] Figure 3 It is a left view perspective view of the power flower-scraping device for metal wire rod.

[0024] ILLUSTRATION MARK:

[0025] 1 - box, 101 - working cavity, 102 - wire inlet hole, 103 - wire outlet hole;

[0026] 2 - first drawing die module, 201 - first drawing die through hole, 202 - first abrasive drawing die, 203 - first T-shaped drawing die seat, 204 - first sleeve cavity, 205 - first locking nut, 206 - first retreat stop nut, 207 - first T-shaped drawing die seat support plate, 208 - first liquid cooling cavity, 209 - first water inlet hole, 210 - first water outlet hole, 211 - first water inlet and outlet pipe;

[0027] 3 - second drawing die module, 301 - second drawing die through hole, 302 - second abrasive drawing die, 303 - second T-shaped drawing die seat, 304 - second sleeve cavity, 305 - second locking nut, 306 - second retreat stop nut, 307 - second T-shaped drawing die seat support plate, 308 - second liquid cooling cavity, 309 - second water inlet hole, 310 - second water outlet hole, 311 - second water inlet and outlet pipe;

[0028] 4 - skiving die module, 401 - skiving through hole, 402 - skiving drawing die, 403 - skiving die seat, 404 - skiving sleeve cavity, 405 - skiving locking nut, 406 - tightening screw, 407 - skiving die seat support plate;

[0029] 5 - flying knife module, 501 - motor, 502 - rotating shaft, 503 - flying knife assembly, 504 - multi-tooth shearing gear, 505 - debris through slot. DETAILED DESCRIPTION

[0030] The utility model will be explained in further detail below according to the drawings and examples. The described examples are only a part of the examples of the utility model, not all examples. Based on the examples in the utility model, all other examples obtained by the ordinary skill in the art without making creative labor belong to the scope of protection of the utility model.

[0031] As shown in the drawing, Figure 1 A power flower scraping device for metal wire rod, comprising a box 1 with a working cavity 101, the box 1 is provided with a wire inlet hole 102 and a wire outlet hole 103 at both ends respectively, and a first drawing die module 2 and a second drawing die module 3 are arranged in the working cavity 101 adjacent to the wire inlet hole 102 and the wire outlet hole 103 respectively, and at least one skiving die module 4 is arranged between the first drawing die module 2 and the second drawing die module 3.

[0032] The first drawing die module 2 comprises a first drawing die through hole 201, the second drawing die module 3 comprises a second drawing die through hole 301, and the center of the wire inlet hole 102, the first drawing die through hole 201, the scraping through hole 401, the second drawing die through hole 301 and the wire outlet hole 103 are coaxial.

[0033] The first drawing die module 2 is used for primary surface drawing of the metal wire entering through the wire inlet hole 102, so that the oxide layer on the surface of the metal wire can be removed; the scraping die module 4 is used for scraping the surface of the metal wire entering after being processed by the first drawing die module 2, so that the metal wire can meet the preset outer diameter specification; and the second drawing die module 3 is used for secondary surface drawing of the metal wire scraped by the scraping die module 4, so that the metal wire with smooth surface without oxide layer can be obtained and finally discharged through the wire outlet hole 103.

[0034] Working principle:

[0035] Before work, the untreated metal wire coil is placed at the front end of the box body 1 through a supporting device such as a pay-off rack, and a metal wire winding device is arranged at the rear end of the box body 1 for winding and recycling the processed metal wire.

[0036] The first drawing die through hole 201 on the first drawing die module 2 is adjusted to a self-defined hole diameter, the second drawing die through hole 301 on the second drawing die module 3 is adjusted to a self-defined hole diameter, and the scraping through hole 401 on the scraping die module 4 is adjusted to a self-defined hole diameter.

[0037] The surface of a section of the wire outlet end of the metal wire is scraped first, so that the outer diameter is not greater than the required outer diameter specification, and then the section is once threaded through the wire inlet hole, the first drawing die through hole, the scraping through hole, the second drawing die through hole and the wire outlet hole and connected with the metal wire winding device at the rear end.

[0038] During work, only power is given to the metal wire winding device to wind the wire, that is, power is given to the metal wire to continuously pass through each module in the box body and finally recycled as a metal wire with the required specification and removed oxide layer.

[0039] A flying knife module 5 is arranged in front of the scraping die module 4 in the embodiment, which is used for rotating and cutting the metal skin scraped by the scraping die module 4 and remaining at the scraping through hole 401, so that the metal skin falls to the bottom of the working cavity.

[0040] The scraping die module 4 can scrape the part of the metal wire exceeding the specified outer diameter in the embodiment, and as the metal wire continuously moves horizontally, the scraped metal skin will gradually become longer and randomly wind and be wound, which will cause the scraping through hole to be blocked if not removed in time.

[0041] like Figure 3 As shown, the flying knife module 5 includes a motor 501 disposed on the outside of the housing 1. The rotating shaft 502 of the motor 501 passes through the side wall of the housing 1 and extends into the working cavity. A flying knife assembly 503 is sleeved on the rotating shaft 502. The flying knife assembly 503 corresponds to the area below the scraping through hole 401.

[0042] Specifically, the flying knife assembly 503 is composed of several multi-tooth shearing gears 504 and is located directly below the wire diameter during metal wire processing. By using these multi-tooth shearing gears 504 with different or partially identical outer diameters, the flying knife assembly 503 can cut the strip of copper sheet wound at the scraping through-hole 401 at different spatial positions, thus ensuring that no copper sheet remains in the scraping through-hole 401 for an extended period, preventing blockage. In this embodiment, the multi-tooth shearing gears 504 can be commercially available shearing gears that can be directly purchased and assembled; therefore, their specific structure will not be described again.

[0043] like Figure 1 and Figure 2 As shown, in this embodiment, a debris channel 505 is provided at the bottom of the box 1 corresponding to the position of the scraping module 4, for the metal sheet scraped by the scraping module 4 or the metal chips shredded by the flying knife module to fall off; and a debris guide plate with an inclined angle is provided below the box 1 to guide the fallen metal sheet or metal chips to an external recycling bin or other device.

[0044] like Figure 2 As shown, the first drawing die module 2 includes a first abrasive drawing die 202. The first abrasive drawing die 202 is fitted by a first T-shaped drawing die base 203 having a first cavity 204 that matches its shape. A first locking nut 205 and a first anti-reverse nut 206 are respectively provided at the front and rear ends of the first abrasive drawing die 202, which can be fixed to the inner wall of the first cavity 204. Through the interaction of the first locking nut 205 and the first anti-reverse nut 206, the first abrasive drawing die 202 can be stably positioned in the first cavity 204.

[0045] As an optimization of this solution, the first locking nut 205 has a wide through slot, which facilitates the better guidance of the metal wire into the through hole of the first abrasive drawing die 202, thereby facilitating the grinding, polishing, or oxide layer removal of the surrounding surface of the metal wire. The treated metal wire is then moved outward through the through hole on the first anti-reverse nut 206 to proceed to the next process. The first locking nut 205, the first abrasive drawing die 202, and the first anti-reverse nut 206 are interconnected to form the first drawing die through hole 201.

[0046] Further optimization of the scheme, the first T-shaped drawing die seat 203 is supported by a pair of first T-shaped drawing die seat support plates 207 arranged in the box, a first liquid cooling cavity 208 is formed between the two first T-shaped drawing die seat support plates 207, a first water inlet hole 209 and a first water outlet hole 210 are arranged in the first liquid cooling cavity 208, and a first water inlet and outlet pipe 211 is externally connected to realize liquid cooling water circulation and realize heat dissipation and cooling of the first abrasive drawing die 202.

[0047] The second drawing die module 3 in the embodiment includes a second abrasive drawing die 302, the second abrasive drawing die 302 is sleeved with a second T-shaped drawing die seat 303 having a second sleeve cavity 304 matched with the outer shape, and a second locking nut 305 and a second retreat stop nut 306 capable of being fixed to the inner wall of the second sleeve cavity 304 are arranged at the front and rear ends of the second abrasive drawing die 302 respectively; through the interaction of the second locking nut 305 and the second retreat stop nut 306, the second abrasive drawing die 302 can be stably arranged in the second sleeve cavity 304.

[0048] As an optimization of the scheme, the second locking nut 305 has a wide-mouthed slot, which facilitates the better entry of the metal wire into the through hole of the second abrasive drawing die 302, and further facilitates the grinding, polishing or removal of the oxidation layer on the surface of the metal wire, and the treated metal wire is moved outwards through the through hole on the second retreat stop nut 306 to enter the next process. The second locking nut 305, the second abrasive drawing die 302 and the second retreat stop nut 306 are connected with each other to form the second drawing die through hole 301.

[0049] Further optimization of the scheme, the second T-shaped drawing die seat 303 is supported by a second T-shaped drawing die seat support plate 307 arranged in the box and the wire outlet hole 103, a second liquid cooling cavity 308 is formed between the second T-shaped drawing die seat support plate 307 and the end edge of the box 1, a second water inlet hole 309 and a second water outlet hole 310 are arranged in the second liquid cooling cavity 308, and a second water inlet and outlet pipe 311 is externally connected to realize liquid cooling water circulation and realize heat dissipation and cooling of the second abrasive drawing die 302.

[0050] It should be noted that the aperture of the second abrasive drawing die 302 in the embodiment is smaller than the aperture of the first abrasive drawing die 202.

[0051] The first abrasive drawing die 202 and the second abrasive drawing die 302 in the embodiment are all abrasive drawing dies, also known as grinding bushings, polishing dies, inner grinding type drawing dies in the industry, are special tools in metal wire processing, cylindrical nuts embedded with hard abrasive particles such as diamond and silicon carbide on the inner wall, and are used for grinding, polishing or removing the oxide layer on the surface of copper wire during the drawing process. It has a sleeve structure similar to a nut, which is convenient to install in wire processing equipment, and the abrasive particles are fixed on the inner wall of the die through sintering or coating process to form a uniform grinding surface.

[0052] As shown in Figure 2 The scraping die module 4 includes a scraping drawing die 402, which is sleeved with a scraping die seat 403 having a scraping sleeve cavity 404 matched with the outer shape, and is provided with a scraping locking nut 405 capable of being fixed with the inner wall of the scraping sleeve cavity 404 at the front end of the scraping drawing die 402.

[0053] As a specific embodiment of the present scheme, the scraping die module 4 has two, which can better scrape the surface of the metal wire and ensure that the metal wire with the required outer diameter is obtained.

[0054] The scraping locking nut 405 has a wide-mouth slot, which facilitates the better entry of the metal wire into the through hole of the scraping drawing die 402, and facilitates the scraping or removal of the oxidation layer on the surface of the metal wire. The treated metal wire is then moved outwards through the scraping sleeve cavity 404 to enter the next process.

[0055] A plurality of tightening screws 406 can also be provided on the scraping die seat 403, which can extend into the scraping sleeve cavity 404 to press the outer wall of the scraping drawing die 402, thereby ensuring that it is more firmly fixed in the scraping sleeve cavity 404.

[0056] The scraping drawing die 402 in the embodiment is also commonly known as a sizing die, a scraping bushing or an outer diameter control die, which is a cylindrical tool that can scrape the surface of the metal wire in the circumferential direction to ensure uniform outer diameter. It is used to circumferentially trim the outer diameter of the wire after copper wire drawing or straightening through the precise edge or scraping structure of the inner wall to ensure size consistency and surface roundness; or a die with a sharp edge such as a hard alloy or diamond edge on the inner wall, which removes the micro-excess material on the surface of the copper wire through mechanical scraping, and has the functions of sizing and surface finishing. It has circumferentially uniformly distributed edges, which removes the local protrusions, excess parts or oxidation layer of the wire through scraping force.

[0057] The scraping die seat 403 is fixed by a scraping die seat support plate 407 provided in the box body 1.

[0058] The above merely illustrates the implementation modes of the present application and is not used to limit the present application, and for those skilled in the art, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A powered scraping device for metal wire, characterized in that... The device includes a housing (1) with a working cavity (101), wherein the two ends of the housing (1) are respectively provided with an inlet hole (102) and an outlet hole (103), and a first drawing module (2) and a second drawing module (3) are respectively provided in the working cavity (101) near the inlet hole (102) and the outlet hole (103), and at least one scraping module (4) is provided between the first drawing module (2) and the second drawing module (3); The scraping die module (4) includes a scraping through hole (401) for metal wire to pass through, the first drawing die module (2) includes a first drawing die through hole (201), the second drawing die module (3) includes a second drawing die through hole (301), and the centers of the wire inlet hole (102), the first drawing die through hole (201), the scraping through hole (401), the second drawing die through hole (301) and the wire outlet hole (103) are coaxial.

2. The power-driven scraping device for metal wire according to claim 1, characterized in that... A flying knife module (5) is provided in front of the scraping module (4) for rotating and removing the metal skin that has been scraped by the scraping module (4) and remains in the scraping through hole (401).

3. The power-driven scraping device for metal wire according to claim 2, characterized in that... The flying knife module (5) includes a motor (501) disposed on the outside of the housing (1). The rotating shaft (502) of the motor (501) passes through the side wall of the housing (1) and extends into the working cavity, and a flying knife assembly (503) is sleeved on the rotating shaft (502).

4. A power-driven scraping device for metal wire according to claim 3, characterized in that... The flying knife assembly (503) is composed of several multi-tooth shearing gears (504).

5. A power-driven scraping device for metal wire according to claim 1 or 2, characterized in that... The bottom of the box (1) is provided with a debris channel (505) corresponding to the position of the scraping module (4).

6. A power-driven scraping device for metal wire according to claim 1, characterized in that... The first drawing die module (2) includes a first abrasive drawing die (202). The first abrasive drawing die (202) is fitted by a first T-shaped drawing die base (203) having a first cavity (204) that matches its shape. A first locking nut (205) and a first anti-reverse nut (206) are respectively provided at the front and rear ends of the first abrasive drawing die (202) to be fixed to the inner wall of the first cavity (204).

7. A power-driven scraping device for metal wire according to claim 6, characterized in that... The second drawing die module (3) includes a second abrasive drawing die (302). The second abrasive drawing die (302) is fitted by a second T-shaped drawing die base (303) having a second cavity (304) that matches its shape. A second locking nut (305) and a second anti-reverse nut (306) that can be fixed to the inner wall of the second cavity (304) are respectively provided at the front and rear ends of the second abrasive drawing die (302).

8. A power-driven scraping device for metal wire according to claim 7, characterized in that, The aperture of the second abrasive wire drawing die (302) is smaller than that of the first abrasive wire drawing die (202).

9. A power-driven scraping device for metal wire according to claim 1, characterized in that, The scraping die module (4) includes a scraping wire drawing die (402), which is fitted by a scraping die base (403) having a scraping cavity (404) that matches its shape, and a scraping locking nut (405) that can be fixed to the inner wall of the scraping cavity (404) is provided at the front end of the scraping wire drawing die (402).

10. A power-driven scraping device for metal wire according to claim 9, characterized in that... The scraping die holder (403) is fixed by a scraping die holder support plate (407) disposed in the housing (1).

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