Wire-drawing die box with good sealing effect

Abstract

A wire-drawing die box with a good sealing effect is characterized by comprising a die box body, a central shaft is arranged in the die box body, a connecting sleeve is arranged on the outer side of the central shaft, a gland is arranged on the connecting sleeve, a rear end cover is arranged on the die box body, a leveling flat spring is arranged on the rear end cover, and a fixing ring is arranged on the rear end cover. A powder box is arranged on the mold box body, and a mold core sleeve is arranged on the powder box; the center shaft rotates under the action of the driving bearing in the die box body, the center shaft drives the connecting sleeve and the gland to rotate, and the bayonet lock of the leveling flat spring is coupled with the clamping groove of the fixing ring, so that the position of the fixing ring is kept unchanged, the gland applies pressure to the fixing ring at the moment, the gland and the fixing ring are sealed, and wire drawing powder in the powder box is prevented from leaking; and the movable sealing of the fixing ring and the gland is added while the framework is used for sealing, so that the sealing effect is better, the waste of the wire drawing powder is reduced, and the cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a wire drawing die box technical field especially relates to a wire drawing die box with good sealing effect. BACKGROUND

[0002] Wire drawing is a metal processing process for reducing the diameter of a cable or rod by stretching it through a single or series of stretching dies, many different types of dies can be used to reduce the diameter of a cable by stretching it through the die, depending on the drawing process, rotary dies and linear dies can be used, however, the die boxes on the market still have various deficiencies and cannot meet the production needs, the existing die boxes have poor bearing sealing effect when in use, poor die lubrication effect during processing, high die consumption, in addition, the die water cooling effect is poor, thereby greatly reducing the service life of the die and greatly increasing the production cost.

[0003] The utility model discloses a kind of rotary die boxes with single skeleton sealing structure, including single die die box, inner sleeve pulley is sleeved on the outside of single die die box, key is fixed on the side of inner sleeve pulley, elastic sleeve ring for shaft is arranged in the inside of key, end cover is fixedly connected on the outside of single die die box, first gland and second gland are respectively fixedly connected on the upper surface of single die die box, die box cover plate is fixedly connected on the upper surface of first gland;The utility model adopts single die structure, wire drawing powder enters powder port special design, it is convenient to bring wire drawing powder into die, die lubrication effect is good, die consumption is low;Spiral die is equipped with active rotary drive system, can realize the linear motion of steel bar and the rotary motion self-learning of helical die in hollow rotating shaft, i.e.

[0004] But the existing wire drawing die box has powder leakage when being used in actual production, which causes the damage of wire drawing device and needs to be frequently supplemented with wire drawing powder, because wire drawing powder is expensive, so that the cost of production is increased, in order to solve the above problems, a wire drawing die box with good sealing effect is provided. UTILITY MODEL CONTENTS

[0005] In view of the above technical problems, the utility model provides a wire drawing die box with good sealing effect, characterized by comprising a die box body, a center shaft, a connecting sleeve, a rear end cover, a gland, a leveling flat spring, a fixing ring, a powder box and a die core sleeve, the center shaft is arranged in the die box body, the connecting sleeve is arranged on the outside of the center shaft, the gland is arranged on the connecting sleeve, the rear end cover is arranged on the die box body, the leveling flat spring is arranged on the rear end cover, the fixing ring is arranged on the rear end cover, the powder box is arranged on the die box body, and the die core sleeve is arranged on the powder box.

[0006] Further, the mold box body has a driving bearing inside for driving the rotation of a central shaft, the end of the central shaft is flush with the mold box body, the central shaft has a through channel inside for wire drawing of the reinforcing steel bar, the outer end of the central shaft is provided with a connecting sleeve through bolts, the connecting sleeve is annular, and the outer end of the connecting sleeve is provided with a gland through bolts;

[0007] Further, the outer shell of the mold box body is provided with a rear end cover through bolts, the rear end cover is annular, the inner wall of the rear end cover has three grooves, the leveling flat springs are arranged in the grooves of the rear end cover through bolts, there are three leveling flat springs, the other end of each leveling flat spring is provided with a locking pin, the fixing ring is located at the outer end of the rear end cover, the side of the fixing ring close to the rear end cover has three clamping grooves coupled with the locking pins of the three leveling flat springs, and the other side of the fixing ring is in contact with the gland.

[0008] Further, the powder box is fixed on the mold box body through bolts, the mold core sleeve is located outside the powder box, the mold core sleeve is located on the same axis as the central shaft, and the mold core sleeve is provided with a mold core inside for the passing of the reinforcing steel bar.

[0009] The utility model discloses the beneficial effects of:

[0010] The utility model discloses the rotation of central shaft under the action of the driving bearing inside the mold box body, and the central shaft drives the rotation of the connecting sleeve and the gland, the appropriate leveling flat spring is selected according to the need before operation, and is installed in the rear end cover, the locking pin of the leveling flat spring is coupled with the clamping groove of the fixing ring, so that the fixing ring keeps the position unchanged, the gland has the pressure to the fixing ring at this time, the sealing between the gland and the fixing ring, the gland and the fixing ring form dynamic sealing under the action of the fluid of the drawing powder when the gland rotates, further realize the sealing, avoid the leakage of the drawing powder in the powder box, save the cost, add the dynamic sealing of the fixing ring and the gland when having the skeleton and sealing, and the sealing effect is better, reduces the waste of the drawing powder, and reduces the cost. ACCURATE DRAWINGS

[0011] Figure 1 It is the whole structure schematic diagram of the utility model discloses a sealing effect good wire drawing mold box;

[0012] Figure 2 It is the local structure schematic diagram of the utility model discloses a sealing effect good wire drawing mold box;

[0013] As shown in the drawing: 1, mold box body;2, central shaft;3, connecting sleeve;4, rear end cover;5, gland;6, leveling flat spring;7, fixing ring;8, powder box;9, mold core sleeve. Specific implementation

[0014] The technical solutions of the present application will be clearly and completely described below with reference to the drawings. Obviously, the described embodiments are some of the embodiments of the present application, but not all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0015] In the description of the present application, it should be pointed out that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as limiting the devices or elements indicated or implied to have a specific orientation, structure and operation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0016] In the description of the present application, it should be pointed out that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. In addition, the technical features involved in the different embodiments of the present application described below can be combined with each other as long as they do not conflict with each other.

[0017] Embodiment 1

[0018] The utility model provides a wire drawing die box with good sealing effect, its characterized in that including die box body 1, center shaft 2, connecting sleeve 3, rear end cover 4, gland 5, leveling flat spring 6, fixed ring 7, powder box 8, die core sleeve 9, center shaft 2 is arranged in die box body 1, connecting sleeve 3 is arranged on the outside of center shaft 2, gland 5 is arranged on connecting sleeve 3, rear end cover 4 is arranged on die box body 1, leveling flat spring 6 is arranged on rear end cover 4, fixed ring 7 is arranged on rear end cover 4, powder box 8 is arranged on die box body 1, die core sleeve 9 is arranged on powder box 8;

[0019] Further, the die box body 1 has a driving bearing for rotating the center shaft 2, the end of the center shaft 2 is flush with the die box body 1, the center shaft 2 has a through channel for wire drawing of the steel bar, the outer end of the center shaft 2 is provided with the connecting sleeve 3 through bolts, the connecting sleeve 3 is annular, and the outer end of the connecting sleeve 3 is provided with the gland 5 through bolts;

[0020] Further, the shell of the die box body 1 is provided with a rear end cover 4 through bolts, the rear end cover 4 is a circular ring, the inner wall of the rear end cover 4 has three grooves, the leveling flat spring 6 is arranged in the groove of the rear end cover 4 through bolts, the leveling flat spring 6 has three, the other end of each leveling flat spring 6 is provided with a bayonet, the fixing ring 7 is located at the outer end of the rear end cover 4, the side close to the rear end cover 4 of the fixing ring 7 has three clamping grooves, which are coupled with the bayonets of the three leveling flat springs 6, the other side of the fixing ring 7 is in contact with the gland 5.

[0021] Further, the powder box 8 is fixed on the die box body 1 through bolts, the die core sleeve 9 is located outside the powder box 8, the die core sleeve 9 is located on the same axis as the center shaft 2, and the die core sleeve 9 is provided with a die core inside for the steel bar to pass through.

[0022] Embodiment 2

[0023] In use, the drawn steel bar extends from the center shaft 2 of the die box body 1, passes through the powder box 8, and passes out from the die core sleeve 9, and the powder box 8 has a drawing powder inside to lubricate and cool the steel bar. During use, the center shaft 2 rotates under the action of the driving bearing inside the die box body 1, and the center shaft 2 drives the connecting sleeve 3 and the gland 5 to rotate. Before operation, the appropriate leveling flat spring 6 is selected according to the needs and installed in the rear end cover 4, the bayonet of the leveling flat spring 6 is coupled with the clamping groove of the fixing ring 7, so that the fixing ring 7 remains in position, at this time the gland 5 has pressure on the fixing ring 7, the gland 5 and the fixing ring 7 are sealed, and the gland 5 forms a dynamic seal with the fixing ring 7 under the action of the fluid of the drawing powder when the gland 5 rotates, further realizing sealing and avoiding leakage of the drawing powder in the powder box 8, thereby saving costs.

[0024] The die box body 1 adopts the existing structure, and uses new bearings, oil injection holes and appropriate molds to better draw wires.

[0025] The above shows and describes the basic principles and main features of the present application and the advantages of the present application. The components mentioned in the present application are common techniques in the existing field, which should be understood by those skilled in the art. The present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A wire drawing die box with a sealing effect, characterized in that, Including mould box body, center axis, connecting sleeve, rear end cover, gland, leveling flat spring, fixed ring, powder box, mold core sleeve, the center axis is arranged in the mould box body, the connecting sleeve is arranged outside the center axis, the gland is arranged on the connecting sleeve, the rear end cover is arranged on the mould box body, the leveling flat spring is arranged on the rear end cover, the fixed ring is arranged on the rear end cover, the powder box is arranged on the mould box body, and the mold core sleeve is arranged on the powder box.

2. The wire drawing die box with good sealing effect according to claim 1, characterized in that, The center axis is rotated by the driving bearing in the mould box body, the end of the center axis is flush with the mould box body, the center axis has a through channel, which is used for wire drawing, the outer end of the center axis is provided with a connecting sleeve through bolts, the connecting sleeve is annular, and the outer end of the connecting sleeve is provided with a gland through bolts.

3. The wire drawing die box with a good sealing effect according to claim 2, characterized in that, The outer shell of the mould box body is provided with a rear end cover through bolts, the rear end cover is annular, the inner wall of the rear end cover has three grooves, the leveling flat spring is arranged in the groove of the rear end cover through bolts, the leveling flat spring has three, the other end of each leveling flat spring is provided with a locking pin, the fixed ring is located at the outer end of the rear end cover, one side of the fixed ring close to the rear end cover has three clamping grooves, which are coupled with the locking pins of the three leveling flat springs, the other side of the fixed ring is in contact with the gland.

4. The wire drawing die box with a sealing effect according to claim 3, characterized in that, The powder box is fixed on the mould box body through bolts, the mold core sleeve is located outside the powder box, the mold core sleeve is located on the same axis with the center axis, the mold core is arranged in the mold core sleeve for steel wire.

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