Adjustable wire drawing machine die frame with automatic die positioning

Abstract

The present invention discloses an adjustable wire drawing machine die frame with automatic die positioning, comprising a first base, a second base, a die pit and a pressure plate which are arranged in sequence; the second base is sleeved inside the first base, the die pit is sleeved inside the second base, and the pressure plate is arranged on the top of the die pit; by fixing the upper parts of the first base and the second base, the second base and the upper part of the die pit with rotating shafts respectively, the bottom is exposed to the outside through adjusting bolts which are arranged diagonally to achieve free adjustment of the angles of the second base and the die pit respectively, and the angle of the contact surface between the inside of the die frame and the die can be easily achieved; it is ensured that during the multi-pass metal wire processing, the key pass metal wire can vertically enter the die, so as to achieve uniform deformation and obtain a steel wire with good linearity; and it is also effective to prevent the die from side wear and damage, thereby increasing the life of the die.

Description

Technical Field

[0001] The invention relates to a wire drawing machine die frame device, in particular to an adjustable wire drawing machine die frame with automatic die positioning. Background Art

[0002] The water tank wire drawing machine is a device that performs wet continuous multi-pass drawing on steel wire. At present, in the multi-pass water tank wire drawing equipment, the position of the die is fixed, and the die cannot automatically find the best position in the die frame; in addition, during the deformation process, the metal wire should enter the die hole vertically, which requires that the angle of the die frame on the side in contact with the die be adjustable, and the angle of the die frame in the middle pass of the existing water tank wire drawing machine is not adjustable; the angle of the side where the die frame and the die are in contact is also not adjustable, resulting in the metal wire being unable to enter the wire drawing die vertically for deformation during the deformation process, resulting in uneven deformation and uneven stress during the wire drawing process, and the produced metal wire has a small coil diameter and poor straightness. Summary of the invention

[0003] Purpose of the invention: In order to solve the problems existing in the prior art, the present invention provides an adjustable wire drawing machine die frame with automatic mold positioning. The wire drawing die can be automatically adjusted to the optimal position in the die frame to achieve uniform deformation and good straightness of the metal wire.

[0004] Technical solution: To achieve the above-mentioned purpose, the present invention can adopt the following technical solution: an adjustable wire drawing machine die frame with automatic die positioning, comprising a first base, a second base, a die pit and a pressing plate arranged in sequence; the second base is sleeved inside the first base, the die pit is sleeved inside the second base, and the pressing plate is arranged on the top of the die pit;

[0005] A first vertical plate is respectively provided on two opposite sides of the first base in a circumferential direction, and a second vertical plate is respectively provided on four sides of the second base in a circumferential direction, and the second vertical plate is placed inside the first vertical plate. The first base, the second base, and the bottom of the mold pit are all provided with a through hole 1 that communicates with each other, and continuous mold pit side walls are provided on three circumferential sides of the mold pit; the mold pit side walls are built inside the second vertical plate;

[0006] Two second vertical plates arranged opposite to each other are provided with a second through hole in communication with the corresponding first vertical plates; a first rotating shaft is provided through the second through hole to penetrate and fix the first vertical plate and the second vertical plate; two other second vertical plates arranged opposite to each other are provided with a third through hole in communication with the corresponding surface of the side wall of the mold pit; a second rotating shaft is provided through the third through hole to penetrate and fix the second vertical plate and the side wall of the mold pit;

[0007] A first adjusting bolt is respectively provided at two diagonal vertices at the bottom of the second base, and the first adjusting bolt is arranged outside the mold pit; a second adjusting bolt is respectively provided at two diagonal vertices on the mold pit; the second adjusting bolt and the first adjusting bolt are staggered and arranged at the four corners of the mold frame.

[0008] More preferably, the first vertical plates are respectively arranged at middle portions of two opposite sides of the first base in a circumferential direction.

[0009] More preferably, the second vertical plates are respectively arranged at the middle parts of the four sides of the second base in the circumferential direction.

[0010] In order to facilitate the direct fixation of the base and the mold pit, the ends of the rotating shaft 1 and the rotating shaft 2 are provided with fixing nuts.

[0011] The two sides of the mold pit side wall provided with through hole three are respectively provided with a first straight line position and a second straight line position, the first straight line position and the second straight line position are vertically perpendicular to the bottom of the mold pit and the formed side walls are opposite and parallel; when the mold is subjected to force in the mold pit, it can automatically fine-tune to the best three-point-one-line position.

[0012] Furthermore, the pressing plate is consistent in shape with the top of the mold pit and is provided with a U-shaped groove consistent with the opening direction of the mold pit. The pressing plate is fixedly connected to the top of the mold pit by multiple bolts.

[0013] The bottom of the first base is also provided with a countersunk through hole on both sides of the through hole 1, which is used to fix the entire mold frame on the wire drawing machine bracket.

[0014] The countersunk through hole is oval in shape, leaving an appropriate margin for position adjustment.

[0015] Beneficial effects: The present invention has the following advantages:

[0016] (1) Simple structure, stable and reliable, low processing cost;

[0017] (2) By adjusting the exposed adjusting bolts, the angle between the inside of the mold frame and the contact surface of the mold can be easily achieved;

[0018] (3) Ensure that during the multi-pass metal wire processing, the key pass metal wire can enter the die vertically, so as to achieve uniform deformation and obtain a steel wire with good linearity;

[0019] (3) Prevent mold side wear and damage and increase mold life. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the exploded structure of the adjustable wire drawing machine die frame with automatic die positioning of the present invention;

[0021] Figure 2 is a structural schematic diagram of the first base of the present invention;

[0022] Figure 3 is a schematic diagram of the second base structure of the present invention;

[0023] Figure 4It is a schematic diagram of the mold pit structure of the present invention;

[0024] Figure 5 It is a schematic diagram of the combined structure of the adjustable wire drawing machine die frame with automatic die positioning of the present invention;

[0025] Figure 6 It is a top view structural schematic diagram of an adjustable wire drawing machine die frame with automatic die positioning according to the present invention. DETAILED DESCRIPTION

[0026] See also Figure 1-Figure 6 As shown, the present invention discloses an adjustable wire drawing machine die frame with automatic die positioning, comprising a first base 1, a second base 2, a die pit 3 and a pressing plate 4 which are arranged in sequence; the second base 2 is sleeved inside the first base 1, the die pit 3 is sleeved inside the second base 2, and the pressing plate 4 is arranged on the top of the die pit 3;

[0027] A first vertical plate 11 is respectively provided on two opposite sides of the first base 1 in the circumferential direction, and a second vertical plate 21 is respectively provided on four sides of the second base 2 in the circumferential direction. The first vertical plate 11 and the second vertical plate 21 are respectively provided in the middle of the corresponding side surfaces.

[0028] The second vertical plate 21 is placed inside the first vertical plate 11, and the first base 1, the second base 2, and the bottom of the die pit 3 are all provided with a communicating through hole 1, and the through hole 1 is used to pass the drawn steel wire. In addition, the first base 1 is also provided with two oval countersunk through holes 12, which are used to fix the entire set of mold frames on the wire drawing machine bracket, and have appropriate margins for adjustment; continuous die pit side walls 31 are provided on three circumferential sides of the die pit 3; the die pit side walls 31 are built into the second vertical plate 21; the pressing plate 4 is consistent with the shape of the top of the die pit 3, and is provided with a U-shaped groove consistent with the opening direction of the die pit 3, and the pressing plate 4 is fixedly connected to the top of the die pit 3 by multiple bolts.

[0029] Two of the second vertical plates 21 that are oppositely arranged are provided with a communicating through hole 2 on the corresponding first vertical plate 11; a rotating shaft 1 5 that penetrates and fixes the first vertical plate 11 and the second vertical plate 21 is provided through the through hole 2; the other two second vertical plates 21 that are oppositely arranged are provided with a through hole 3 that is connected with the corresponding surface of the mold pit side wall 31; a rotating shaft 2 6 that penetrates and fixes the second vertical plate 21 and the mold pit side wall 31 is provided through the through hole 3; in order to facilitate the direct fixation of the base and the mold pit, fixing nuts are provided at the ends of the rotating shaft 1 5 and the rotating shaft 2 6.

[0030] A first adjusting bolt 22 is respectively provided at two diagonal vertices at the bottom of the second base 2, and the first adjusting bolt 22 is arranged outside the mold pit 3; a second adjusting bolt 32 is respectively provided at two diagonal vertices on the mold pit 3; the second adjusting bolt 32 is staggered with the first adjusting bolt 22 and arranged at the four corners of the mold frame.

[0031] The two sides of the through hole 3 on the side wall 31 of the mold pit are respectively provided with a first straight line position 33 and a second straight line position 34, the first straight line position 33 and the second straight line position 34 are vertically perpendicular to the bottom of the mold pit 3 and the formed side walls are opposite and parallel; when the mold is subjected to force in the mold pit, it can automatically fine-tune to the optimal three-point-one-line position.

[0032] Working principle:

[0033] During the deformation process of the steel wire of the wire drawing machine, the adjustable wire drawing machine mold frame of the present invention is fixed on the existing bracket of the wire drawing machine through the two oval countersunk through holes 12 at the bottom of the first base 1, and the metal wire enters from the interconnected through hole 1. Under the fixing action of the rotating shaft 1 5, the upper parts of the first base 1 and the second base 2 are fixed by the first vertical plate 11 and the second vertical plate 21 and the rotating shaft 1. The angle of the second base 2 can be adjusted by adjusting the first adjusting bolts 22 at the two diagonal vertices of the second base 2; under the fixing action of the rotating shaft 2 6, the upper parts of the second base 2 and the die pit 3 are fixed by the second vertical plate 21 and the die pit side wall 31 and the rotating shaft 2. The angle of the die pit 3 can be adjusted by adjusting the second adjusting bolts 32 at the two diagonal vertices on the die pit 3; in addition, the first straight line position 33 and the second straight line position 34 on the die pit 3, when the die is subjected to radial force in the die pit, the die will be freely centered along the straight line, thereby realizing self-fine adjustment to be in the optimal three-point-one-line position.

Claims

1. An adjustable wire drawing machine die frame with automatic die positioning, characterized in that The mold pit (3) comprises a first base (1), a second base (2), a mold pit (3) and a pressing plate (4) which are arranged in sequence; the second base (2) is sleeved inside the first base (1), the mold pit (3) is sleeved inside the second base (2), and the pressing plate (4) is arranged on the top of the mold pit (3); A first vertical plate (11) is provided on opposite sides of the first base (1) in the circumferential direction, and a second vertical plate (21) is provided on the four sides of the second base (2) in the circumferential direction, the second vertical plate (21) is placed inside the first vertical plate (11), the first base (1), the second base (2) and the bottom of the mold pit (3) are all provided with a through hole that communicates with each other, and continuous mold pit side walls (31) are provided on three circumferential sides of the mold pit (3); the mold pit side walls (31) are built inside the second vertical plate (21); Two second vertical plates (21) disposed opposite to each other are provided with a second through hole in communication with the corresponding first vertical plate (11); a first rotating shaft (5) is provided through the second through hole for passing through and fixing the first vertical plate (11) and the second vertical plate (21); two other second vertical plates (21) disposed opposite to each other are provided with a third through hole in communication with the corresponding surface of the mold pit side wall (31); a second rotating shaft (6) is provided through the third through hole for passing through and fixing the second vertical plate (21) and the mold pit side wall (31); A first adjusting bolt (22) is respectively provided at two diagonal vertices of the bottom of the second base (2), and the first adjusting bolt (22) is arranged outside the mold pit (3); a second adjusting bolt (32) is respectively provided at two diagonal vertices on the mold pit (3); the second adjusting bolt (32) and the first adjusting bolt (22) are staggered and arranged at the four corners of the mold frame; the first vertical plate (11) is respectively provided at the middle part of the two opposite sides of the first base (1) in the circumferential direction; the second vertical plate (21) is respectively provided at the middle part of the four sides of the second base (2) in the circumferential direction; the two side surfaces of the mold pit side wall (31) provided with the through hole three are respectively provided with a first straight line position (33) and a second straight line position (34), and the first straight line position (33) and the second straight line position (34) are vertically perpendicular to the bottom of the mold pit (3) and the side walls formed are opposite and parallel.

2. The adjustable wire drawing machine die frame with automatic die positioning according to claim 1 is characterized in that: The ends of the rotating shaft 1 (5) and the rotating shaft 2 (6) are both provided with fixing nuts.

3. The adjustable wire drawing machine die frame with automatic die positioning according to claim 1 is characterized in that: The pressing plate (4) matches the shape of the top of the mold pit (3) and is provided with a U-shaped groove in the same direction as the opening of the mold pit (3). The pressing plate (4) is fixedly connected to the top of the mold pit (3) by a plurality of bolts.

4. The adjustable wire drawing machine die frame with automatic die positioning according to claim 1 is characterized in that: The bottom of the first base (1) is also provided with a countersunk through hole (12) on both sides of the through hole.

5. The adjustable wire drawing machine die frame with automatic die positioning according to claim 4 is characterized in that: The countersunk through hole (12) is oval in shape.

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