CN212525823U

CN212525823U - Tire bead ring multi-cutter-head cutting device

Info

Publication number: CN212525823U
Application number: CN202021363861.3U
Authority: CN
Inventors: 颜二东; 王俊; 刘爽
Original assignee: Shandong Yongfeng Tire Co ltd
Current assignee: Shandong Yongfeng Tire Co ltd
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2021-02-12
Anticipated expiration: 2030-07-13

Abstract

The utility model relates to a tire manufacturing machinery technical field specifically is a tire bead ring multitool head cuts device. The method comprises the following steps: knife rest, tool bit, bolt and nut, the knife rest includes: the connector is used for being connected with an executing mechanism, and the executing mechanism pushes a tool bit on the tool rest to do left-right reciprocating motion through the connector. Go up mounting panel and lower mounting panel parallel arrangement, control both ends and link together through left riser and right riser respectively, go up the gap that forms between mounting panel and the lower mounting panel and be the sword groove, the connector is installed on left riser lateral surface, and the second mounting hole is provided with a plurality ofly, passes mounting panel, lower mounting panel respectively, and a plurality of tool bits pass through the bolt and the nut is installed on the knife rest. The utility model discloses an actuating mechanism promotes a plurality of tool bits actions simultaneously, and the execution efficiency is high.

Description

Tire bead ring multi-cutter-head cutting device

Technical Field

The utility model relates to a tire manufacturing machinery technical field specifically is a tire bead ring multitool head cuts device.

Background

A tire is a ground-rolling circular ring-shaped elastic rubber article mounted on various vehicles or machines. Generally mounted on a metal rim, and is capable of supporting a vehicle body, buffering external impact, achieving contact with a road surface and ensuring the driving performance of a vehicle.

The bead ring for tyre is the main part for fixing tyre to rim and has the technological process including unwinding steel wire, straightening, wiping disc, electric preheating, extruding, cooling roller, winding, cutting, counting and stacking. The winding forming process of the steel wire ring is completed on a steel wire ring forming machine, a wire clamping device of a winding machine head needs to clamp the steel wire head firstly during winding, then a winding disc starts to wind, and a cutting device cuts the steel wire after a counter detects the set winding number of turns.

At present, in the process of forming the steel wire rings, manufacturers generally adopt a mode of simultaneously processing a plurality of steel wire rings in order to improve the production efficiency, namely a plurality of steel wires are respectively wound, and the steel wires are simultaneously cut after forming. Decide device among the prior art adopts one to cut device and cuts a steel wire basically, if many steel wires just need a plurality of devices of cutting, the problem that this scheme exists is: the fault points are many, the fault rate is high, and the maintenance time is long.

SUMMERY OF THE UTILITY MODEL

The utility model provides a tire bead ring multitool head cuts device adopts an actuating mechanism to promote a plurality of tool bit actions simultaneously, and the execution efficiency is high.

The specific technical scheme is as follows: a tire bead ring multi-cutter cutoff device, comprising: the tool comprises a tool rest, tool bits, bolts and nuts, wherein the tool bits are arranged on the tool rest through the bolts and the nuts.

The tool bit comprises a first cutting edge, a second cutting edge, a third cutting edge, a fourth cutting edge, a first cutting surface, a second cutting surface, a third cutting surface, a fourth cutting surface, a left side surface, a right side surface, a front side surface, a back side surface and a first mounting hole, wherein the first cutting edge and the second cutting edge are positioned at the left end and the right end of the front side surface, the third cutting edge and the fourth cutting edge are positioned at the left end and the right end of the back side surface, the first cutting surface and the third cutting surface are positioned at the front end and the back end of the left side surface, the second cutting surface and the fourth cutting surface are positioned at the front end and the back end of the right side surface, a first cutting edge is formed at the intersection of the first cutting surface and the front side surface, the second cutting edge is formed at the intersection of the second cutting surface and the front side surface, the third cutting edge is formed at the intersection of the third cutting surface and the back side surface, the fourth cutting edge is formed at the intersection of the fourth cutting.

When in actual use, only use two cutting edges of one side once, for example when using first cutting edge and the second cutting edge on the leading flank, the third cutting edge and the fourth cutting edge of trailing flank are as reserve cutting edge, when first cutting edge and second cutting edge wearing and tearing seriously need changing, change the tool bit from beginning to end, use third cutting edge and fourth cutting edge as the work cutting edge, design like this both can material saving, more importantly can reduce staff's tool changing time.

Furthermore, the cutter head is arranged behind the cutter rest, two blades arranged on the front side surface or the rear side surface of the cutter head are completely exposed outside the cutter rest, the other two blades are wrapped in the cutter rest, the spare blades can be prevented from scratching workers,

the tool holder includes: the connector is used for being connected with an executing mechanism, and the executing mechanism pushes a tool bit on the tool rest to do left-right reciprocating motion through the connector. The upper mounting plate and the lower mounting plate are arranged in parallel, the left end and the right end are respectively connected together through a left vertical plate and a right vertical plate, a gap formed between the upper mounting plate and the lower mounting plate is a knife groove, the connector is arranged on the outer side surface of the left vertical plate, a plurality of second mounting holes are arranged and respectively penetrate through the upper mounting plate and the lower mounting plate,

the first cutting surface, the second cutting surface, the third cutting surface and the fourth cutting surface on the cutter head are arc concave surfaces, the external tangent angles formed by the first cutting edge and the second cutting edge on the front side surface and the front side surface respectively are 50-60 degrees, the external tangent angles formed by the third cutting edge and the fourth cutting edge on the rear side surface and the rear side surface respectively are 50-60 degrees, the cutting edge surfaces adopt arc design and the angle formed by the cutting edge is beneficial to and fast cutting off the steel wire, the section shape of the steel wire is complete, the damage of the outer rubber layer of the steel wire at the cutting part is small,

in order to prevent the cutter head from loosening on the cutter frame to influence the cutting quality, the height of the cutter groove is the same as that of the cutter head, and the diameters of the first mounting hole and the second mounting hole are the same as the outer diameter of the bolt.

Furthermore, the cutter head is made of high-speed tool steel.

The utility model has the advantages of as follows:

1. a tire bead ring multi-cutter head cutting device can install a plurality of cutter heads on the same cutter frame, and can drive the cutter heads to act only by one set of actuating mechanism, thereby reducing the number of actuating mechanisms, lowering the cost and reducing fault points;

2. the utility model provides a tire bead circle multitool head cuts device, has 4 cutting edges on every tool bit, and simultaneously two cutting edges are in operating condition on every tool bit, and two cutting edges are in standby state, and two cutting edges are reciprocal used in turn, can improve the life of tool bit, reduce the change frequency to reduce non-failure down time.

Drawings

Fig. 1 is a schematic structural view of a tire bead ring multi-cutter cutting device according to the present invention;

FIG. 2 is a schematic view of the cutter head of FIG. 1;

FIG. 3 is a schematic view of the tool holder of FIG. 1;

fig. 4 is a perspective view of the multi-cutter cutting device for a tire bead ring of the present invention;

FIG. 5 is a drawing of an embodiment;

FIG. 6 is a drawing of an embodiment.

Description of reference numerals:

1. a knife rest 2, a knife head 3, a bolt 4, a nut 5 and a thread outlet device,

101. a connector 102, an upper mounting plate 103, a lower mounting plate 104, a second mounting hole 105, a knife slot 106, a left vertical plate 107 and a right vertical plate,

201. first edge, 202, second edge, 203, third edge, 204, fourth edge, 205, first facet, 206, second facet, 207, third facet, 208, fourth facet, 209, left facet, 210, right facet, 211, front facet, 212, back facet, 213, first mounting hole.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings and examples:

it should be noted that the structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, and any modification of the structure, change of the ratio relationship or adjustment of the size should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the efficacy that the present invention can produce and the purpose that the present invention can achieve.

Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

A tire bead ring multi-cutter cutoff device, comprising: the tool rest comprises a tool rest 1, tool bits 2, bolts 3 and nuts 4, wherein the tool bits 2 are arranged on the tool rest 1 through the bolts 3 and the nuts 4.

The tool bit 2 comprises a first cutting edge 201, a second cutting edge 202, a third cutting edge 203, a fourth cutting edge 204, a first cutting surface 205, a second cutting surface 206, a third cutting surface 207, a fourth cutting surface 208, a left side surface 209, a right side surface 210, a front side surface 211, a back side surface 212 and a first mounting hole 213, wherein the first cutting edge 201 and the second cutting edge 202 are positioned at the left and right ends of the front side surface 211, the third cutting edge 203 and the fourth cutting edge 204 are positioned at the left and right ends of the back side surface 212, the first cutting surface 205 and the third cutting surface 207 are positioned at the front and back ends of the left side surface 209, the second cutting surface 206 and the fourth cutting surface 208 are positioned at the front and back ends of the right side surface 210, the first cutting edge 201 is formed at the intersection of the first cutting surface 205 and the front side surface 211, the second cutting edge 202 is formed at the intersection of the second cutting surface 206 and the front side surface 211, the third cutting surface 207 and the back side surface 212 are formed at the intersection of the third cutting edge 203, the fourth cutting edge 204 is formed at the intersection of the back side surface 212, the fourth cutting, and penetrates the upper and lower surfaces of the cutter head 2.

In practical use, only one side of the two blades are used at a time, for example, when the first blade 201 and the second blade 202 on the front side surface 211 are used, the third blade 203 and the fourth blade 204 on the back side surface 212 are used as spare blades, when the first blade 201 and the second blade 202 are worn seriously and need to be replaced, the cutter head 2 is exchanged back and forth, and the third blade 203 and the fourth blade 204 are used as working blades, so that the design can save materials, and more importantly, the tool changing time of workers can be reduced.

After the cutter head 2 is arranged on the cutter frame 1, two cutting edges arranged on the front side surface 211 or the back side surface 212 of the cutter head 2 are completely exposed outside the cutter frame 1, and the other two cutting edges are wrapped in the cutter frame 1, so that the spare cutting edges can be prevented from scratching workers,

the tool holder 1 includes: the tool rest comprises a connecting head 101, an upper mounting plate 102, a lower mounting plate 103, a second mounting hole 104, a knife groove 105, a left vertical plate 106 and a right vertical plate 107, wherein the connecting head 101 is used for being connected with an actuating mechanism, and the actuating mechanism pushes the tool bit 2 on the tool rest 1 to reciprocate left and right through the connecting head 101. The upper mounting plate 102 and the lower mounting plate 103 are arranged in parallel, the left end and the right end are respectively connected together through a left vertical plate 106 and a right vertical plate 107, a gap formed between the upper mounting plate 102 and the lower mounting plate 103 is a knife groove 105, the connector 101 is mounted on the outer side surface of the left vertical plate 106, a plurality of second mounting holes 104 are arranged and respectively penetrate through the upper mounting plate 102 and the lower mounting plate 103,

the first edge surface 205, the second edge surface 206, the third edge surface 207 and the fourth edge surface 208 on the tool bit 2 are arc-shaped concave surfaces, the first edge surface 205, the second edge surface 206 and the front side surface 211 form an external tangent angle of 50-60 degrees at the first cutting edge 201 and the second cutting edge 202 respectively, and the third edge surface 207, the fourth edge surface 208 and the rear side surface 212 form an external tangent angle of 50-60 degrees at the third cutting edge 203 and the fourth cutting edge 204 respectively. The cutter head 2 is made of high-speed tool steel, the cutting edge surface adopts an arc design and forms an angle with the cutting edge, which is beneficial to quickly cutting off the steel wire, the section shape of the steel wire is complete, the damage of the outer rubber layer of the steel wire at the cutting position is small,

in order to prevent the cutter head 2 from loosening on the cutter frame 1 and affecting the cutting quality, the height of the cutter groove 105 is the same as that of the cutter head 2, and the diameters of the first mounting hole 213 and the second mounting hole 104 are the same as the outer diameter of the bolt 3.

With reference to fig. 5 and 6, in an embodiment, a three-blade arrangement is adopted, which can simultaneously cut three steel wires, and when the cutting machine starts to work, as shown in fig. 5, the front side surface of the blade 2 is tightly attached to the side surface of the filament discharger 5, the second blade 202 is positioned at the left side of the filament discharger 5, the blade holder 1 pushes the blade 2 from left to right under the action of the actuator, the second blade 202 cuts the steel wires, when the first blade 201 moves to the right side of the filament discharger 5, the blade 2 stops moving, waits for the next cutting action,

when the next cutting starts, the knife rest 1 drives the cutting edges to move rightwards, the first cutting edge 201 cuts the steel wire, the second cutting edge 202 is positioned on the left side of the wire discharger 5, the knife head 2 stops moving, and the knife head 2 reciprocates leftwards and rightwards, so that the steel wire is repeatedly cut by the knife head 2.

Many other changes and modifications can be made without departing from the spirit and scope of the invention. It is to be understood that the invention is not to be limited to the specific embodiments, and that the scope of the invention is defined by the appended claims.

Claims

1. A tire bead ring multi-cutter cutoff device, comprising: the cutter frame (1), the cutter heads (2), the bolts (3) and the nuts (4), the cutter heads (2) are arranged on the cutter frame (1) through the bolts (3) and the nuts (4),

the cutter head (2) comprises: the knife edge comprises a first knife edge (201), a second knife edge (202), a third knife edge (203), a fourth knife edge (204), a first knife face (205), a second knife face (206), a third knife face (207), a fourth knife face (208), a left side face (209), a right side face (210), a front side face (211), a back side face (212) and a first mounting hole (213), wherein the first knife edge (201) and the second knife edge (202) are positioned at the left end and the right end of the front side face (211), the third knife edge (203) and the fourth knife edge (204) are positioned at the left end and the right end of the back side face (212), the first knife face (205) and the third knife face (207) are positioned at the front end and the back end of the left side face (209), the second knife face (206) and the fourth knife face (208) are positioned at the front end and the back end of the right side face (210), a first knife edge (201) is formed at the intersection of the first knife face (205) and the front side face (211), and a second knife edge (202) is formed at the, a third cutting edge (203) is formed at the intersection of the third cutting surface (207) and the back side surface (212), a fourth cutting edge (204) is formed at the intersection of the fourth cutting surface (208) and the back side surface (212), two first mounting holes (213) are vertically arranged in the cutter head (2) and penetrate through the upper surface and the lower surface of the cutter head (2),

the tool holder (1) comprises: connector (101), go up mounting panel (102), lower mounting panel (103), second mounting hole (104), sword groove (105), left side riser (106) and right riser (107), go up mounting panel (102) and lower mounting panel (103) parallel arrangement, it links together through left riser (106) and right riser (107) respectively to control both ends, the gap that forms between going up mounting panel (102) and lower mounting panel (103) is sword groove (105), connector (101) are installed on left riser (106) lateral surface, second mounting hole (104) are provided with a plurality ofly, pass last mounting panel (102) respectively, lower mounting panel (103).

2. The multi-bit truncation device for the bead wire ring according to claim 1, wherein the first, second, third and fourth bit faces (205, 206, 207, 208) on the bit (2) are arc-shaped concave surfaces, the first and second bit faces (205, 206) and the front side surface (211) form an external tangent angle of 50 to 60 degrees at the first and second blade edges (201, 202), respectively, and the third and fourth bit faces (207, 208) and the rear side surface (212) form an external tangent angle of 50 to 60 degrees at the third and fourth blade edges (203, 204), respectively.

3. A tyre traveler multi-blade intercepting device according to claim 1 characterized by the height of the said blade groove (105) being the same as the height of the blade head (2).

4. The multi-bit tyre traveler sectioning device according to claim 1, wherein the first mounting hole (213), the second mounting hole (104) have the same diameter as the outer diameter of the bolt (3).

5. The multi-bit cutting device for a tire bead ring according to claim 1, wherein the bit (2) is made of high speed tool steel.

6. A tyre traveler multi-blade truncating device according to claim 1 wherein when said blade (2) is mounted on the blade carrier (1), two blades provided on the front (211) or rear (212) side of the blade (2) are fully exposed outside the blade carrier and the other two blades are enclosed inside the blade carrier.