Wire drawing die for wire drawing machine

Abstract

The utility model discloses a wire drawing die for a wire drawing machine, and belongs to the technical field of wire drawing machines. The die core comprises a die sleeve, guide grooves, a die core body and a fixing ring assembly, four guide grooves are formed in the inner wall of the die sleeve, four guide blocks are arranged on the outer wall of the die core body, the die core body is in sliding fit with the interior of the die sleeve through the guide blocks, positioning blocks are arranged at the two ends of the die core body respectively, and the fixing ring assembly comprises a fixing ring body. A circle of notches are formed in the inner ring face of the fixing ring body, the fixing ring body is arranged outside the positioning block in an embedded mode through the notches, four clamping blocks are arranged on one side of the fixing ring body, and the fixing ring body is in surrounding threaded connection with fixing bolts among the four clamping blocks. Through cooperation of the guide groove, the guide block, the positioning block and the fixing ring assembly, it is guaranteed that the relative position of the mold core and the mold sleeve is stable, deviation and shaking are reduced, the wire drawing process is stable, the mold core is convenient to assemble, disassemble and replace, the positioning block is matched with the fixing ring assembly, movement and rotation of the mold core are limited, and the structural reliability is enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a wire drawing machine technical field, concretely to a wire drawing die for wire drawing machine. BACKGROUND

[0002] Metal wire is a commonly used metal product in life, in the production process of metal wire, plastic wire and other wire rods, a wire drawing die with a certain aperture is installed on the wire drawing machine, so that the metal wire is drawn into a diameter that meets the process requirements, the wire drawing die gradually reduces the cross section of the wire rod by applying pressure, thereby achieving the required diameter specification.

[0003] The existing wire drawing die is inconvenient to install and disassemble, and is inconvenient to replace when damaged, and the entire wire drawing die needs to be replaced after damage, resulting in high cost of using the wire drawing die. UTILITY MODEL CONTENTS

[0004] The utility model discloses a wire drawing die for wire drawing machine, through the cooperation of guide groove, guide block, positioning block and fixed ring assembly, the relative position of die core and die cover is stable, offset and shaking are reduced, the wire drawing process is stable, and the die core is convenient to install, disassemble and replace.

[0005] The utility model is realized through the following technical schemes:

[0006] The utility model discloses a wire drawing die for wire drawing machine, including die cover, guide groove, die core body and fixed ring assembly, four guide grooves are set up in the inner wall of die cover, four guide blocks are set up on the outer wall of die core body, the die core body is slidably fitted in the inside of die cover through guide block, and positioning block is set up at the both ends of die core body respectively.

[0007] The fixed ring assembly includes a fixed ring body, a groove is formed in the inner ring surface of the fixed ring body, the fixed ring body is embedded and arranged outside the positioning block through the groove, four clamping blocks are arranged on one side of the fixed ring body, and a fixed bolt is threadedly connected around the four clamping blocks.

[0008] Further, the die cover is in the shape of a cylinder with both ends open, the outer wall of the die core body is arranged in abutment with the inner wall of the die cover, external threads are arranged at both ends of the outer wall of the die core body, internal threads are formed at both ends of the inner wall of the die cover and the outer wall of the die core body in abutment, and the die core body is threadedly connected at both ends inside the die cover.

[0009] Further, a processing hole is formed through the inside of the die core body, a circular table-shaped inlet cavity and an outlet cavity are arranged at the upper end and the lower end of the processing hole respectively, and the diameter of the inlet cavity is smaller than the diameter of the outlet cavity.

[0010] Further, the outer edge of the positioning block is arranged in a surrounding radial wedge shape, the shape of the notch opening and the outer wall of the positioning block are matched, and the outer wall of the positioning block is arranged in abutment in the inner wall of the notch.

[0011] Further, threaded holes are formed at both ends of the mold core body, one end of the fixing bolt is threaded connected on the threaded hole at one end of the mold core body through the fixing ring body, and one side of the fixing ring body is arranged in abutment at one end of the mold sleeve.

[0012] The utility model has the advantages of the following beneficial effects:

[0013] The utility model discloses a guiding groove, a guide block, a positioning block and a fixing ring assembly cooperate, guarantee the relative position stability of mold core and mold sleeve, reduce the deviation and shake, make the wire drawing process stable, and convenient for mold core installation and dismounting and replacement, and the positioning block and the fixing ring assembly cooperate, limit the movement and rotation of the mold core, enhance the structural reliability, and the clamping block, the fixing bolt and the like further strengthen the connection of the mold core and the mold sleeve, prevent the separation of the loose parts, reduce the installation and debugging time, and improve the overall wire drawing operation efficiency and quality.

[0014] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages mentioned above. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structure schematic view of the wire drawing die;

[0016] Figure 2 It is an internal structure schematic view of the wire drawing die;

[0017] Figure 3 It is an explosion structure schematic view of the wire drawing die;

[0018] Figure 4 It is a structure schematic view of the mold core body, the guide block and the positioning block.

[0019] In the drawing: 1, mold sleeve;2, guiding groove;3, mold core body;4, guide block;5, positioning block;6, fixing ring assembly;601, fixing ring body;602, notch;603, clamping block;604, fixing bolt. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0021] Please refer to Figures 1-4The utility model provides a technical scheme: a wire drawing die for wire drawing machine, including die cover 1, guide groove 2, mould core body 3 and fixed ring subassembly 6, four guide grooves 2 are seted up in the inner wall of die cover 1, four guide blocks 4 are seted up in the outer wall of mould core body 3, mould core body 3 is slidably fitted in the inside of die cover 1 through guide block 4, mould core body 3 can slide accurately in the inside of die cover 1, ensure that the relative position accuracy and stability of mould core body 3 and die cover 1, be favorable to guiding and positioning operation when installing or replacing mould core body 3, reduce the deviation or shaking of mould core body 3 due to external factors, guarantee the stability of wire drawing process, die cover 1 is the circular cylinder of two ends opening, the outer wall of mould core body 3 is set up in the inner wall of die cover 1, the outer wall of mould core body 3 is seted up with external thread respectively in both ends, the inner wall of die cover 1 and the outer wall of mould core body 3 are seted up with internal thread in both ends of contact, the both ends of mould core body 3 are connected in the inside of die cover 1 with screw thread, prevent the loosening phenomenon due to stress in wire drawing operation, the installation and dismounting of mould core body 3 are convenient in screw thread connection mode, when mould core body 3 needs replacement due to abrasion, it can be operated more conveniently, the processing hole is seted up in the inside of mould core body 3 and penetrates, the import cavity and export cavity of circular table shape are respectively equipped in the upper end and lower end of processing hole, the aperture of import cavity is less than the aperture of export cavity, the smaller aperture of import cavity is favorable to guiding the wire drawing material to enter processing hole accurately, reduces the deviation and friction resistance when entering, and the larger aperture of export cavity can make the wire after wire drawing to be guided out stably, avoid the wire damage or jamming due to aperture mutation, guarantee the quality of wire and the continuity of wire drawing process, the positioning block 5 is seted up in both ends of mould core body 3, be helpful for quick positioning and adjustment when installing the die, reduce the installation debugging time;

[0022] The fixed ring assembly 6 comprises a fixed ring body 601, a groove 602 is formed in the inner ring surface of the fixed ring body 601, the fixed ring body 601 is embedded on the outside of the positioning block 5 through the groove 602, the outer wall of the positioning block 5 is arranged in a surrounding and radiating wedge shape, the opening shape of the groove 602 matches the shape of the outer wall of the positioning block 5, so that the connection between the fixed ring body 601 and the mold core body 3 is more stable and accurate, the outer wall of the positioning block 5 is arranged in abutment with the inner wall of the groove 602, which can effectively limit the axial movement and a certain degree of circumferential rotation of the mold core body 3, ensure the stability of the position of the mold core body 3 relative to the fixed ring body 601 during the drawing process, and further maintain the reliability of the entire mold structure, four clamping blocks 603 are arranged on one side of the fixed ring body 601, a fixed bolt 604 is threadedly connected between the four clamping blocks 603 in a surrounding manner, one end of the clamping block 603 is clamped and arranged on one side of the inner wall of the guide groove 2, threaded holes are formed at both ends of the mold core body 3, one end of the fixed bolt 604 penetrates through the fixed ring body 601 and is threadedly connected to the threaded hole at one end of the mold core body 3, which further strengthens the connection and fastening degree between the mold core body 3 and the mold sleeve 1, avoids loosening or separation of the parts due to bearing of a large tensile force or pressure during drawing, and the one side of the fixed ring body 601 is arranged in abutment with one end of the mold sleeve 1.

[0023] During work, the mold core body 3 is slid into the mold sleeve 1 through the guide block 4 along the guide groove 2 of the mold sleeve 1, so that the outer wall of the mold core body 3 is in abutment with the inner wall of the mold sleeve 1, then the two ends of the mold core body 3 are threadedly connected to the corresponding threaded holes in the inner wall of the mold sleeve 1, then the fixed ring body 601 is embedded on the outside of the positioning block 5 of the mold core body 3 through the groove 602, so that the outer wall of the positioning block 5 is in abutment with the inner wall of the groove 602, and the clamping block 603 on one side of the fixed ring body 601 is clamped on one side of the inner wall of the guide groove 2, then one end of the fixed bolt 604 penetrates through the fixed ring body 601 and is threadedly connected to the threaded hole at one end of the mold core body 3, and the one side of the fixed ring body 601 is in abutment with one end of the mold sleeve 1, then the drawing material enters the inlet cavity of the machining hole of the mold core body 3, and after the deviation and frictional resistance are reduced under the guidance of the inlet cavity, the drawing material enters the machining hole, and after drawing through the machining hole, the drawing material is smoothly guided out of the outlet cavity, the drawing process is completed, and the stable connection of the parts during the period ensures the smooth drawing operation.

[0024] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details, and the utility model is not limited to the specific implementation manner. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.

Claims

1. A wire drawing die for a wire drawing machine, comprising a die sleeve (1), a guide groove (2) and a die core body (3), characterized in that: The inner wall of the mold cover (1) is provided with four guide grooves (2), the outer wall of the mold core body (3) is provided with four guide blocks (4), the mold core body (3) is slidably fitted in the mold cover (1) through the guide blocks (4), and the two ends of the mold core body (3) are respectively provided with positioning blocks (5). Further comprising a fixing ring assembly (6), the fixing ring assembly (6) comprises a fixing ring body (601), the inner ring surface of the fixing ring body (601) is provided with a ring of notches (602), the fixing ring body (601) is embeddedly arranged outside the positioning block (5) through the notches (602), four clamping blocks (603) are arranged on one side of the fixing ring body (601), and a fixing bolt (604) is threadedly connected around the fixing ring body (601) between the four clamping blocks (603), and one end of the clamping block (603) is clampedly arranged on the inner wall of the guide groove (2).

2. The wire drawing die for a wire drawing machine according to claim 1, wherein The mold cover (1) is in the shape of a cylinder with both ends open, the outer wall of the mold core body (3) is arranged in abutment with the inner wall of the mold cover (1), the outer wall of the mold core body (3) is provided with external threads at both ends, the inner wall of the mold cover (1) and the outer wall of the mold core body (3) are provided with internal threads at both ends in abutment, and the two ends of the mold core body (3) are threadedly connected in the mold cover (1).

3. The wire drawing die for a wire drawing machine according to claim 2, wherein The mold core body (3) is provided with a machining hole penetrating therethrough, and a circular table-shaped inlet cavity and an outlet cavity are arranged at the upper end and the lower end of the machining hole respectively, and the diameter of the inlet cavity is smaller than that of the outlet cavity.

4. The wire drawing die for a wire drawing machine according to claim 1, wherein The outer edge of the positioning block (5) is arranged in a surrounding radial wedge shape, the shape of the notch (602) opening is matched with the shape of the outer wall of the positioning block (5), and the outer wall of the positioning block (5) is arranged in abutment with the inner wall of the notch (602).

5. The wire drawing die for a wire drawing machine according to claim 4, wherein The two ends of the mold core body (3) are respectively provided with threaded holes, one end of the fixing bolt (604) penetrates through the fixing ring body (601) and is threadedly connected to the threaded hole at one end of the mold core body (3), and one side of the fixing ring body (601) is arranged in abutment with one end of the mold cover (1).

Images