Inverted wire drawing machine

Abstract

The utility model discloses an inverted wire drawing machine which comprises a gantry support, a wire drawing winding drum is rotatably arranged at the top of the gantry support, a wire falling frame is further arranged at the bottom of the gantry support, two connecting plates are arranged at a feeding port of the gantry support, and the two connecting plates are adaptively arranged on the two sides of a wire respectively. The two connecting plates are arranged at intervals in the axial direction of the wire rod, wire wiping cloth is arranged between the two connecting plates, and the wire wiping cloth is matched to be wound around the wire rod by at least one circle. A wire rod penetrates through the position between the two connecting plates till being wound by the wire drawing winding drum, and the wire wiping cloth between the two connecting plates can be wound on the outer side of the wire rod to achieve wiping of attached oxide layer scraps. Compared with the prior art, the wire drawing die can wipe the outer surface of a wire during operation, so that the condition that a die hole of the wire drawing die is abraded due to adhesion of an oxide layer is avoided.

Description

Technical Field

[0001] This utility model relates to the field of metal wire processing technology, and in particular, to an inverted wire drawing machine. Background Technology

[0002] The inverted wire drawing machine is designed for continuous, non-twisting operations with heavy coils. It has both drawing and take-up functions and is suitable for drawing high, medium, and low carbon steel wire, special-shaped steel wire, stainless steel wire, and thick non-ferrous metal wire. It is particularly suitable for the standard parts industry and shelving manufacturing industry. The inverted wire drawing machine belongs to the category of rebar wire drawing machines and is used for drawing metal wire. The equipment adopts a vertical downward working method for the drum outlet, and the finished product falls directly into the take-up reel after processing.

[0003] Currently, Chinese patent CN201253637Y discloses an inverted wire drawing machine, including a gantry support. A wire drawing drum is rotatably mounted on the top of the gantry support, and a wire dropper is mounted on the bottom of the gantry support. During wire drawing, the wire drawn in the previous station is wound onto the wire drawing drum, and then the wire automatically falls and winds onto the wire dropper under the action of gravity.

[0004] Before the wire is wound onto the drawing drum, the surface oxide layer is usually removed. For example, the wire can be drawn through a friction ring, which removes the oxide layer. However, the removal of the oxide layer is usually incomplete. On the one hand, the adhered oxide layer may cause wear to the die holes of the drawing die, leading to a shortened die life. On the other hand, the adhered oxide layer may increase the friction between the wire and the drawing drum, requiring greater pulling force during the drawing process, increasing energy consumption and equipment load. Utility Model Content

[0005] The purpose of this invention is to overcome the shortcomings of the existing technology and provide an inverted wire drawing machine.

[0006] The objective of this utility model is achieved through the following technical solution:

[0007] An inverted wire drawing machine includes a gantry support, a wire drawing drum rotatably mounted on the top of the gantry support, and a wire dropper mounted on the bottom of the gantry support. The machine is characterized by having two connecting plates at the feed inlet of the gantry support, the two connecting plates being adapted to be positioned on both sides of the wire, the two connecting plates being spaced apart along the axial direction of the wire, and a wiping cloth being positioned between the two connecting plates, the wiping cloth being adapted to be wound around the wire at least once.

[0008] Preferably, both ends of the wiping cloth are provided with a retaining plate, and the side wall of the connecting plate is provided with a retaining groove, and the retaining plate can be inserted into the retaining groove.

[0009] Preferably, magnetic plates are provided at both ends of the wiping cloth, and magnets are provided on the side wall of the connecting plate, which can attract the magnetic plates.

[0010] Preferably, the magnet is an electromagnet.

[0011] Preferably, the card slots are provided vertically, and the card plate can be inserted into one of the card slots.

[0012] Preferably, the magnet has an adsorption region extending vertically.

[0013] Preferably, the card plate and the card slot are adapted to form a dovetail structure.

[0014] Preferably, the slot is closed on the side near the drawing drum.

[0015] Preferably, the top surface of the connecting plate is provided with a connecting hole communicating with a plurality of the slots, and a pressure rod for pressing against the card plate is provided in the connecting hole by means of a spring.

[0016] The beneficial effects of this invention are as follows: the wire passes between the two connecting plates until it is wound up by the drawing spool, and the wiping cloth between the two connecting plates can be wrapped around the outside of the wire to remove the attached oxide layer debris. Compared with the prior art, this invention can wipe the outer surface of the wire during operation, thereby avoiding the wear of the die holes of the drawing die caused by the adhered oxide layer. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of an embodiment;

[0018] Figure 2 for Figure 1 Enlarged view of part A;

[0019] Figure 3 This is a schematic diagram of the magnet's structure;

[0020] Figure 4 This is a schematic diagram of the compression bar.

[0021] Reference numerals: 1. Gantry bracket; 2. Wire drawing drum; 3. Wire dropper; 4. Connecting plate; 5. Wire wiping cloth; 6. Card plate; 7. Card slot; 8. Magnetic plate; 9. Magnet; 10. Connecting hole; 11. Pressure rod; 12. Wire drawing mold; 13. Friction ring. Detailed Implementation

[0022] The technical solution of this utility model will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0023] like Figures 1 to 4 As shown, an inverted wire drawing machine includes a gantry support 1. Similar to existing technologies, a wire drawing drum 2 is rotatably driven at the top of the gantry support 1 via a motor or other rotary drive source, and a wire dropper 3 is provided at the bottom of the gantry support 1, particularly below the wire drawing drum 2. The basic operating principle of the wire drawing machine is well understood by those skilled in the art and will not be elaborated further. Simply put, after being drawn, the wire passes through the wire drawing die 12 mounted on the gantry support 1 until it is wound onto the wire drawing drum 2. The wire then automatically falls and winds onto the wire dropper 3.

[0024] For example, before entering the wire drawing die 12, the wire is also drawn into the friction ring 13 set on the gantry bracket 1, through which the oxide layer is removed. However, the removal of the oxide layer is usually incomplete, and it still adheres to the outer surface of the wire, which reduces the quality of the wire drawing operation.

[0025] In this utility model, two connecting plates 4 are provided at the feed inlet of the gantry bracket 1 (that is, between the friction ring 13 and the wire drawing mold 12), and the two connecting plates 4 are spaced apart radially in the wire drawing direction, and are also spaced apart axially in the wire drawing direction. During the wire drawing operation, the wire can pass through the two connecting plates 4 and enter the wire drawing mold 12.

[0026] A wiping cloth 5 is connected between the two connecting plates 4. The wiping cloth 5 is adapted to be wrapped around the wire, for example, at least once, so as to achieve better wiping and removal of oxide layer by completely covering the circumference of the wire. Figure 2 An example is shown in which the cleaning cloth 5 is wrapped only once. In this example, the friction between the cleaning cloth 5 and the wire is low, so it is not easy for the wire to pull and damage the cleaning cloth 5.

[0027] In some embodiments, both ends of the wiping cloth 5 are provided with retaining plates 6, and the sidewalls of the connecting plates 4 are provided with retaining grooves 7. For example, the retaining plates 6 can be fixed to the ends of the wiping cloth 5 by bolt fastening or pressing. The wiping cloth 5 is conveniently fixed by the retaining plates 6 at both ends being inserted into the retaining grooves 7 of the two connecting plates 4 respectively.

[0028] For example, each connecting plate 4 may have multiple slots 7 vertically formed. As production batches change, the diameter of the wire varies. In this case, the clamping plate 6 of the wiping cloth 5 can be inserted into the slots 7 at different heights to ensure tight coverage of the wire. In addition, the clamping plate 6 and the slot 7 can also be adapted to form a dovetail structure or a T-shaped interlocking structure. This form can resist the tendency of the wiping cloth 5 to detach from the connecting plate 4 radially. Alternatively, the slot 7 can be adapted to be closed on the side near the drawing drum 2, so that the clamping plate 6 can be inserted into the slot 7 from the end away from the drawing drum 2. In this case, even if the wire pulls the wiping cloth 5, the clamping plate 6 is not easy to fall out of the slot 7.

[0029] The top surface of the connecting plate 4 may also have connecting holes 10 that connect to several slots 7, and a spring-loaded pressure rod 11 is also spring-loaded inside the connecting hole 10. For example, a spring can be adapted between the pressure rod 11 and the connecting plate 4 to achieve a pre-tightening spring-loaded action that presses the pressure rod 11 into the connecting hole 10. When the card plate 6 is inserted into the slot 7, the pressure rod 11 can press against the top surface of the card plate 6 under the action of the spring force, thereby further restricting the free movement of the card plate 6 in the slot 7, making the installation state of the wiping cloth 5 more stable.

[0030] In other designs, magnetic plates 8 can be installed at both ends of the wiping cloth 5, while magnets 9 are installed on the side walls of the connecting plate 4. The wiping cloth 5 is conveniently fixed by attracting the magnets 9 of the two connecting plates 4 through the magnetic plates 8 at both ends.

[0031] For example, magnet 9 is an electromagnet 9, which can exert a large magnetic force on magnetic plate 8, and also facilitates the removal of magnetic plate 8 from connecting plate 4. Accordingly, magnet 9 is elongated, especially extending vertically, thereby providing magnetic plate 8 with vertically distributed adsorption areas, for example, to meet the requirements when the wire diameter changes as described above.

[0032] The above description is merely a preferred embodiment of this utility model. It should be understood that this utility model is not limited to the forms disclosed herein and should not be construed as excluding other embodiments. It can be used in various other combinations, modifications, and environments, and can be altered within the scope of the concept described herein through the above teachings or related technologies or knowledge. Modifications and variations made by those skilled in the art that do not depart from the spirit and scope of this utility model should be protected within the scope of the appended claims.

Claims

1. An inverted wire drawing machine, comprising a gantry support (1), wherein a wire drawing drum (2) is rotatably disposed on the top of the gantry support (1), and a wire dropper (3) is disposed on the bottom of the gantry support (1), characterized in that: The gantry bracket (1) has two connecting plates (4) at its feed inlet. The two connecting plates (4) are adapted to be disposed on both sides of the wire. The two connecting plates (4) are spaced apart along the axial direction of the wire, and a wiping cloth (5) is disposed between the two connecting plates (4). The wiping cloth (5) is adapted to be wrapped around the wire at least once.

2. The inverted wire drawing machine according to claim 1, characterized in that: Both ends of the wiping cloth (5) are provided with a card plate (6), and a card slot (7) is provided on the side wall of the connecting plate (4), and the card plate (6) can be inserted into the card slot (7).

3. The inverted wire drawing machine according to claim 1, characterized in that: The wiping cloth (5) is provided with magnetic plates (8) at both ends, and magnets (9) are provided on the side wall of the connecting plate (4). The magnets (9) can attract the magnetic plates (8).

4. The inverted wire drawing machine according to claim 3, characterized in that: The magnet (9) is an electromagnet (9).

5. The inverted wire drawing machine according to claim 2, characterized in that: The card slots (7) are provided vertically, and the card plate (6) can be inserted into one of the card slots (7).

6. The inverted wire drawing machine according to claim 3 or 4, characterized in that: The magnet (9) has an adsorption region that extends vertically.

7. The inverted wire drawing machine according to claim 2, characterized in that: The card plate (6) and the card slot (7) are adapted to form a dovetail structure.

8. The inverted wire drawing machine according to claim 2, 5, or 7, characterized in that: The slot (7) is closed on the side near the drawing drum (2).

9. The inverted wire drawing machine according to claim 5, characterized in that: The top surface of the connecting plate (4) is provided with a connecting hole (10) that communicates with a plurality of the slots (7). A pressure rod (11) for pressing against the card plate (6) is provided in the connecting hole (10) by means of a spring.

Images