Rapid replacement device for rectangular bead wire rolling die

Abstract

The utility model relates to the field of machining, and discloses a rectangular bead wire rolling die quick replacement device which comprises a positioning die and a sliding die, a first rotating shaft and a third rotating shaft are rotationally connected to the positioning die, the first rotating shaft is located above the third rotating shaft, and a second rotating shaft and a fourth rotating shaft are rotationally connected to the sliding die. The second rotating shaft is located above the fourth rotating shaft, an upper roller die is detachably installed between the first rotating shaft and the third rotating shaft, a lower roller die is detachably installed between the second rotating shaft and the fourth rotating shaft, and a rectangular tire bead steel wire is rolled between the upper roller die and the lower roller die; a quick release assembly is arranged on the upper roller die and is used for quickly replacing the sliding die; an adjusting assembly is arranged on the positioning die and used for adjusting the distance between the upper roller die and the lower roller die. The quick release assembly comprises a limiting ring fixedly mounted on the side wall of the upper roller die; through the quick release assembly, the problem that the daily output is directly influenced by long-time stagnation of a production line due to the fact that a rectangular bead wire rolling die is inconvenient to replace quickly is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of machining, concretely to rectangular bead wire rolling die quick replacement device. BACKGROUND

[0002] The bead wire is the main load-bearing component of the bead part, and bears about 70% of the inflation pressure. The performance of the bead wire is closely related to the safety of the tire. The conventional bead wire is made of bead wire with a circular cross section, and the wires are in linear contact, which has a large contact stress. In the rectangular bead wire, the wires are in surface contact, which has good structural stability and is beneficial to improving the load-carrying capacity and durability of the tire.

[0003] The bead wire rolling die is a key equipment component for the tip processing of the wire rod (raw material) in the production process of the bead wire. Its main function is to roll the end of the wire rod into a sharp tip to facilitate the smooth insertion of the wire rod into the drawing die hole in the subsequent drawing process. The rolling die cooperates with the concave-convex structure of the upper and lower roller dies to roll the end of the high-carbon steel wire rod into a conical tip, so that its diameter is reduced to meet the requirements of the drawing die hole, and the wire rod is smoothly fed into the drawing machine for subsequent processing.

[0004] The existing rectangular bead wire rolling die has the following disadvantages: the traditional die replacement needs to be manually operated, involving disassembly, adjustment and reinstallation steps, which causes the production line to be stalled for a long time, directly affecting the daily output, and it is difficult to meet the demand of large-scale orders, especially in the high demand period, which causes the delivery delay. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a rectangular bead wire rolling die quick replacement device to solve the problem that the above-mentioned background technology is not convenient for quickly replacing the rectangular bead wire rolling die, which causes the production line to be stalled for a long time, directly affecting the daily output.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a rectangular bead wire rolling die quick replacement device, comprising a positioning die and a sliding die, a first rotating shaft and a third rotating shaft are rotatably connected to the positioning die, the first rotating shaft is located above the third rotating shaft, a second rotating shaft and a fourth rotating shaft are rotatably connected to the sliding die, the second rotating shaft is located above the fourth rotating shaft, an upper roller die is detachably installed between the first rotating shaft and the third rotating shaft, a lower roller die is detachably installed between the second rotating shaft and the fourth rotating shaft, and a rectangular bead wire is rolled between the upper roller die and the lower roller die.

[0007] A quick release assembly is arranged on the upper roller die for quickly replacing the sliding die;

[0008] An adjusting assembly is arranged on the positioning die for adjusting the distance between the upper roller die and the lower roller die.

[0009] The quick dismounting assembly comprises a limiting ring fixedly installed on the side wall of the upper roller die, a through hole is formed in the limiting ring, a connecting sleeve is fixedly installed in the through hole, a second through groove is formed in the connecting sleeve, a pull rod is slidably connected in the second through groove, a limiting sheet is fixedly installed at the end of the pull rod, a spring is sleeved on the pull rod, the spring is located between the limiting sheet and the connecting sleeve, and a limiting groove for inserting the limiting ring is formed in the second rotating shaft.

[0010] Preferably, the adjusting assembly comprises a first through groove formed in the positioning die, a fixed seat for rotating the first rotating shaft is vertically and slidably connected in the first through groove, a connecting seat is fixedly installed on the top of the fixed seat, a fifth rotating shaft is rotatably connected in the connecting seat, a first gear is rotatably connected on the fifth rotating shaft, a first threaded groove for rotating the fifth rotating shaft is formed in the first gear, a protective cover for rotating the fifth rotating shaft is detachably installed on the top of the positioning die, a second gear is vertically meshed on the first gear, and a rotating rod is fixedly installed on the end of the second gear and penetrates the positioning die.

[0011] Preferably, an assembly groove is formed in the bottom of the sliding die, a connecting plate is inserted in the assembly groove, bolts are threadedly connected on the connecting plate and are threadedly connected on the sliding die, and an electric push rod is detachably installed on the end of the connecting plate.

[0012] Preferably, the first motor and the second motor are detachably installed on the sliding die, the second rotating shaft penetrates the sliding die and is detachably installed on the output shaft of the first motor, and the fourth rotating shaft penetrates the sliding die and is detachably installed on the output shaft of the second motor.

[0013] Preferably, rotating sleeves are rotatably connected at the two ends of the upper roller die and the lower roller die, and a second threaded groove is formed in the rotating sleeve.

[0014] Preferably, the upper roller die and the lower roller die have the same structure, and the adjusting assembly is arranged on the positioning die and the sliding die.

[0015] Preferably, a sliding groove for vertically sliding the fixed seat is formed at the two sides of the first through groove.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] 1、When it is necessary to replace the rectangular bead wire rolling die, the pull rod is pulled, the pull rod drives the limiting sheet, the limiting sheet extrudes the spring when moving, the spring is deformed under stress, the limiting sheet is pulled out of the limiting groove, the second rotating shaft is pulled out of the upper roller die, the fourth rotating shaft is pulled out of the lower roller die by pulling the quick dismounting assembly on the lower roller die, and the sliding die, the upper roller die and the lower roller die are pulled out, thereby solving the problem that the rectangular bead wire rolling die is inconvenient to quickly replace, the production line is stalled for a long time, and the daily output is directly affected.

[0018] 2. The utility model discloses a need when adjusting the interval between upper roller mould and lower roller mould to the rectangular bead wire of different size is rolled, rotates the adjusting assembly on positioning mould and sliding mode, rotates the rotary lever, and the rotary lever drives the second gear, and the second gear drives the first gear, and the first gear drives the fifth rotating shaft through the first thread groove when rotating, and the fifth rotating shaft pushes the connecting seat when rotating, and the connecting seat pushes the fixed base, and the fixed base moves perpendicularly in the first through -groove, and the fixed base moves, and the interval adjustment between upper roller mould and lower roller mould is completed, and the interval adjustment of upper roller mould and lower roller mould is carried out through the adjusting assembly, and it is convenient to the rectangular bead wire of different size is rolled. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the overall structure schematic diagram of the rectangular bead wire rolling mould quick replacement device that the utility model provides;

[0020] Figure 2 It is the upper roller mould partial structure schematic diagram of the rectangular bead wire rolling mould quick replacement device that the utility model provides;

[0021] Figure 3 It is the A place extension structure schematic diagram of the rectangular bead wire rolling mould quick replacement device that the utility model provides;

[0022] Figure 4 It is the adjusting assembly extension structure schematic diagram of the rectangular bead wire rolling mould quick replacement device that the utility model provides.

[0023] In the drawing: 1, positioning mould;2, sliding mode;21, adjusting assembly;211, first through -groove;212, fixed base;213, sliding groove;214, connecting seat;215, rotary lever;216, protective cover;217, first gear;218, first thread groove;219, fifth rotating shaft;220, second gear;3, rectangular bead wire;41, first rotating shaft;42, upper roller mould;43, second rotating shaft;44, rotating sleeve;45, second thread groove;46, third rotating shaft;47, lower roller mould;48, fourth rotating shaft;5, quick -detachable assembly;501, limit slot;502, limit ring;503, through -hole;504, limit piece;505, second through -groove;506, spring;507, connecting sleeve;508, pull rod;509, bolt;510, connecting plate;511, assembly groove;512, electric push rod;61, first motor;62, second motor. DETAILED DESCRIPTION

[0024] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. 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.

[0025] Embodiment one

[0026] Please refer to Figure 1 - Figure 4 The quick replacement device of the rectangular bead wire rolling die in the drawing includes a positioning die 1 and a sliding die 2. The positioning die 1 is rotatably connected with a first rotating shaft 41 and a third rotating shaft 46. The first rotating shaft 41 is located above the third rotating shaft 46. The sliding die 2 is rotatably connected with a second rotating shaft 43 and a fourth rotating shaft 48. The second rotating shaft 43 is located above the fourth rotating shaft 48. A upper roller die 42 is detachably installed between the first rotating shaft 41 and the third rotating shaft 46. A lower roller die 47 is detachably installed between the second rotating shaft 43 and the fourth rotating shaft 48. Rotating sleeves 44 are rotatably connected to both ends of the upper roller die 42 and the lower roller die 47. Second threaded grooves 45 are formed in the rotating sleeves 44. The rotating sleeves 44 move towards or away from both ends of the upper roller die 42 and the lower roller die 47 through the second threaded grooves 45, so as to limit the rectangular bead wire 3. The rectangular bead wire 3 is rolled between the upper roller die 42 and the lower roller die 47. A first motor 61 and a second motor 62 are detachably installed on the sliding die 2. The second rotating shaft 43 penetrates through the sliding die 2 and is detachably installed on the output shaft of the first motor 61. The fourth rotating shaft 48 penetrates through the sliding die 2 and is detachably installed on the output shaft of the second motor 62. The first motor 61 and the second motor 62 are driven, so that the second rotating shaft 43 and the fourth rotating shaft 48 rotate, the upper roller die 42 and the lower roller die 47 rotate, and the rectangular bead wire 3 is rolled;

[0027] A quick release assembly 5 is arranged on the upper roller die 42, which is used for quickly replacing the sliding die 2;

[0028] The quick disassembly assembly 5 comprises a limiting ring 502 fixedly installed on the side wall of the upper roller die 42, a through hole 503 is formed in the limiting ring 502, a connecting sleeve 507 is fixedly installed in the through hole 503, a second through slot 505 is formed in the connecting sleeve 507, a pull rod 508 is slidably connected in the second through slot 505, a limiting sheet 504 is fixedly installed at the end of the pull rod 508, a spring 506 is sleeved on the pull rod 508, the spring 506 is located between the limiting sheet 504 and the connecting sleeve 507, a limiting groove 501 is formed in the second rotating shaft 43 for inserting the limiting sheet 504, an assembly groove 511 is formed in the bottom of the sliding die 2, a connecting plate 510 is inserted in the assembly groove 511, a bolt 509 is threadedly connected on the connecting plate 510 and is threadedly connected on the sliding die 2, and an electric push rod 512 is detachably installed at the end of the connecting plate 510; the electric push rod 512 is driven, the electric push rod 512 converts the rotary motion into linear reciprocating motion through the worm gear transmission, the electric push rod 512 drives the sliding die 2 through the connecting plate 510 and makes the sliding die 2 slide horizontally, and the quick disassembly of the rectangular bead wire 3 rolling die is completed.

[0029] The positioning die 1 is provided with an adjusting assembly 21 for adjusting the distance between the upper roller die 42 and the lower roller die 47.

[0030] The adjusting assembly 21 comprises a first through slot 211 formed in the positioning die 1, a fixed seat 212 for rotating the first rotating shaft 41 is vertically and slidably connected in the first through slot 211, and a sliding groove 213 for vertically sliding the fixed seat 212 is formed on both sides of the first through slot 211; the sliding groove 213 is arranged to limit the fixed seat 212, so that the angle of the fixed seat 212 does not change, a connecting seat 214 is fixedly installed on the top of the fixed seat 212, a fifth rotating shaft 219 is rotatably connected in the connecting seat 214, a first gear 217 is rotatably connected on the fifth rotating shaft 219, a first threaded groove 218 for rotating the fifth rotating shaft 219 is formed in the first gear 217, a protective cover 216 for rotating the fifth rotating shaft 219 is detachably installed on the top of the positioning die 1, a second gear 220 is vertically engaged on the first gear 217, a rotating rod 215 is fixedly installed at the end of the second gear 220 and penetrates the positioning die 1, the upper roller die 42 and the lower roller die 47 have the same structure, and the adjusting assembly 21 is arranged on the positioning die 1 and the sliding die 2; the upper roller die 42 and the lower roller die 47 have the same structure, which facilitates quick disassembly and installation of the sliding die 2, and the adjusting assembly 21 is arranged on the positioning die 1 and the sliding die 2, which facilitates adjustment of the distance between the upper roller die 42 and the lower roller die 47.

[0031] Working principle:

[0032] When the rectangular bead wire 3 rolling die needs to be replaced, pull the pull rod 508, the pull rod 508 slides in the connecting sleeve 507, the pull rod 508 drives the limiting sheet 504, the limiting sheet 504 extrudes the spring 506 when moving, the spring 506 is deformed under stress, the limiting sheet 504 is extracted from the limiting groove 501, the second rotating shaft 43 is extracted from the upper roller die 42, and the quick release assembly 5 on the lower roller die 47 is pulled, the fourth rotating shaft 48 is extracted from the lower roller die 47, so that the sliding die 2 and the upper roller die 42 and the lower roller die 47 are extracted, the connecting plate 510 is driven by the electric push rod 512, the connecting plate 510 drives the sliding die 2 and makes the sliding die 2 slide horizontally, the rectangular bead wire 3 rolling die is quickly disassembled, and vice versa when installation is needed, the electric push rod 512 pushes the sliding die 2 and moves to the original position, the pull rod 508 slides in the second through groove 505 in the limiting ring 502, extrudes the spring 506, and after the spring 506 is deformed, the limiting sheet 504 moves in the through hole 503, so that the second rotating shaft 43 is inserted into the upper roller die 42, and the quick release assembly 5 on the lower roller die 47 is pulled, the fourth rotating shaft 48 is inserted into the lower roller die 47, the rectangular bead wire 3 rolling die is quickly installed, and the quick release assembly 5 solves the problem that the rectangular bead wire 3 rolling die is not convenient to replace, which causes the production line to stop for a long time and directly affects the daily output;

[0033] When the distance between the upper roller die 42 and the lower roller die 47 needs to be adjusted to roll different sizes of rectangular bead wire 3, rotate the adjusting assembly 21 on the positioning die 1 and the sliding die 2, rotate the rotating rod 215, the rotating rod 215 drives the second gear 220, the second gear 220 drives the first gear 217, the first gear 217 drives the fifth rotating shaft 219 through the first threaded groove 218 when rotating, the fifth rotating shaft 219 pushes the connecting seat 214 when rotating, the connecting seat 214 pushes the fixed seat 212, the fixed seat 212 moves vertically in the first through groove 211, the sliding groove 213 limits the fixed seat 212 to prevent the fixed seat 212 from changing angle, the fixed seat 212 moves, the distance between the upper roller die 42 and the lower roller die 47 is adjusted, the distance between the upper roller die 42 and the lower roller die 47 is adjusted by the adjusting assembly 21, which is convenient for rolling different sizes of rectangular bead wire 3.

[0034] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0035] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A quick change device for rectangular bead wire rolling dies, comprising a fixed die (1) and a sliding die (2), characterized in that: The positioning die (1) is rotationally connected with a first rotating shaft (41) and a third rotating shaft (46), the first rotating shaft (41) is located above the third rotating shaft (46), the sliding die (2) is rotationally connected with a second rotating shaft (43) and a fourth rotating shaft (48), the second rotating shaft (43) is located above the fourth rotating shaft (48), the first rotating shaft (41) and the third rotating shaft (46) are detachably installed with an upper roller die (42), the second rotating shaft (43) and the fourth rotating shaft (48) are detachably installed with a lower roller die (47), and the upper roller die (42) and the lower roller die (47) are rolled with a rectangular bead wire (3); The upper roller die (42) is provided with a quick release assembly (5) for quickly replacing the sliding die (2); The positioning die (1) is provided with an adjusting assembly (21) for adjusting the distance between the upper roller die (42) and the lower roller die (47); The quick release assembly (5) comprises a limiting ring (502) fixedly installed on the side wall of the upper roller die (42), a through hole (503) is formed in the limiting ring (502), a connecting sleeve (507) is fixedly installed in the through hole (503), a second through groove (505) is formed in the connecting sleeve (507), a pull rod (508) is slidably connected in the second through groove (505), a limiting piece (504) is fixedly installed at the end of the pull rod (508), a spring (506) is sleeved on the pull rod (508), the spring (506) is located between the limiting piece (504) and the connecting sleeve (507), and a limiting groove (501) is formed in the second rotating shaft (43) for inserting the limiting piece (504).

2. The rectangular bead wire rolling die quick change device according to claim 1, characterized by: The adjusting assembly (21) comprises a first through groove (211) formed in the positioning die (1), a fixed seat (212) for rotating the first rotating shaft (41) is vertically and slidably connected in the first through groove (211), a connecting seat (214) is fixedly installed on the top of the fixed seat (212), a fifth rotating shaft (219) is rotatably connected in the connecting seat (214), a first gear (217) is rotatably connected on the fifth rotating shaft (219), a first threaded groove (218) is formed in the first gear (217) for rotating the fifth rotating shaft (219), a protective cover (216) for rotating the fifth rotating shaft (219) is detachably installed on the top of the positioning die (1), a second gear (220) is vertically engaged with the first gear (217), a rotating rod (215) is fixedly installed at the end of the second gear (220) and penetrates the positioning die (1).

3. The rectangular bead wire rolling die quick change device according to claim 1, characterized by: A mounting groove (511) is formed in the bottom of the sliding die (2), a connecting plate (510) is inserted into the mounting groove (511), a bolt (509) is threadedly connected to the connecting plate (510) and is threadedly connected to the sliding die (2), and a motorized push rod (512) is detachably installed at the end of the connecting plate (510).

4. The rectangular bead wire rolling die quick exchange device according to claim 1, characterized by: The first motor (61) and the second motor (62) are detachably installed on the sliding mold (2), the second rotating shaft (43) penetrates the sliding mold (2) and is detachably installed on the output shaft of the first motor (61), and the fourth rotating shaft (48) penetrates the sliding mold (2) and is detachably installed on the output shaft of the second motor (62).

5. The rectangular bead wire rolling die quick exchange device according to claim 1, characterized in that: Rotating sleeves (44) are rotationally connected to both ends of the upper roller mold (42) and the lower roller mold (47), and second threaded grooves (45) are formed in the rotating sleeves (44).

6. The rectangular bead wire rolling die quick exchange device according to claim 1, characterized by: The upper roller mold (42) and the lower roller mold (47) have the same structure, and the positioning mold (1) and the sliding mold (2) are both provided with adjusting assemblies (21).

7. The rectangular bead wire rolling die quick exchange device according to claim 2, characterized by: First grooves (211) are provided on both sides of the adjusting assemblies (21) and are provided with sliding grooves (213) for the vertical sliding of the fixing bases (212).

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