阅读说明：本技术 一种盾尾刷全自动合毛机的钢丝束切断装置 (Steel wire bundle cutting device of full-automatic shield tail brush hair-combining machine ) 是由 陆野 陈鹏 陈曙光 吴增雷 李学显 冯士峰 张传周 张义敬 张瑞孔 于 2021-10-09 设计创作，主要内容包括：本发明属于盾尾刷的生产制造设备领域,提出一种盾尾刷全自动合毛机的钢丝束切断装置,包括机台,所述机台上设置有一对导轨,所述导轨上滑动设置有滑动座,所述滑动座的底部设置有与导轨活动配合的滑块,所述滑动座的一侧设置有气缸,所述气缸包括固定端和活动端,所述固定端与机台连接,所述活动端与滑动座连接,所述滑动座上设置有减速驱动机构,所述减速驱动机构的动力输出端设置有两个切丝轮,所述两个切丝轮上下交错分布,所述切丝轮为直齿圆柱浅齿轮辊,所述滑动座上与两个切丝轮的啮合面对应的位置设置有长条形的让位口。本装置设计合理、结构简单、切割能力较强、切割效率较高、设备使用周期较长且综合利用率较高,适合大规模推广。(The invention belongs to the field of production and manufacturing equipment of shield tail brushes, and provides a steel wire bundle cutting device of a full-automatic shield tail brush combiner, which comprises a machine table, wherein a pair of guide rails are arranged on the machine table, a sliding seat is arranged on the guide rails in a sliding manner, a sliding block movably matched with the guide rails is arranged at the bottom of the sliding seat, an air cylinder is arranged on one side of the sliding seat and comprises a fixed end and a movable end, the fixed end is connected with the machine table, the movable end is connected with the sliding seat, a speed reduction driving mechanism is arranged on the sliding seat, two wire cutting wheels are arranged at the power output end of the speed reduction driving mechanism, the two wire cutting wheels are distributed in a vertically staggered manner, the wire cutting wheels are straight-tooth cylindrical shallow gear rollers, and strip-shaped relief openings are formed in positions, corresponding to the meshing surfaces of the two wire cutting wheels, on the sliding seat. The device has the advantages of reasonable design, simple structure, stronger cutting capacity, higher cutting efficiency, longer service cycle of equipment and higher comprehensive utilization rate, and is suitable for large-scale popularization.)

1. A steel wire bundle cutting device of a full-automatic shield tail brush doubling machine comprises a machine table and is characterized in that a pair of guide rails is arranged on the machine table, a sliding seat is arranged on the guide rails in a sliding mode, a sliding block movably matched with the guide rails is arranged at the bottom of the sliding seat, a cylinder is arranged on one side of the sliding seat and comprises a fixed end and a movable end, the fixed end is connected with the machine table, the movable end is connected with the sliding seat, a transmission base table is arranged on the sliding seat, a speed reduction driving mechanism is arranged on one side of the transmission base table, two wire cutting wheels are arranged at the power output end of the speed reduction driving mechanism and are distributed in a vertically staggered mode, the wire cutting wheels are straight-tooth cylindrical gear rollers, a let position opening is formed in one end, far away from the speed reduction driving mechanism, of the transmission base table is long in strip shape and corresponds to the meshing surfaces of the two wire cutting wheels, two elastic flattening pieces which are distributed up and down oppositely are arranged in the yielding position opening, the elastic flattening pieces are used for flattening the steel wire bundles entering the yielding position opening, an auxiliary withdrawing mechanism is arranged at one end, close to the speed reduction driving mechanism, in the yielding position opening, and the auxiliary withdrawing mechanism is used for pushing the steel wire bundles away from the cutting wheel.

2. The steel wire bundle cutting device of the shield tail brush full-automatic hair-combining machine according to claim 1, wherein two mounting grooves for mounting two elastic flattening members are arranged on the transmission base, the two mounting grooves are dovetail-shaped, the dovetail head end of each mounting groove is an open end, the dovetail tail end of each mounting groove is a closed end, each elastic flattening member comprises a single arc section distributed back to a abdicating opening and an S-arc section distributed towards the abdicating opening, the single arc section is integrally connected with the S-arc section, a fixing block is arranged at one end of each single arc section, the longitudinal section of each fixing block is triangular, the fixing block is connected with the dovetail tail end of each mounting groove through bolts, and the tail end of each S-arc section is a free end and is arranged at the dovetail tail end of each mounting groove.

3. The steel wire bundle cutting device of the shield tail brush full-automatic hair-combing machine according to claim 1, wherein the auxiliary withdrawing mechanism comprises a U-shaped jaw plate matched with the inner side of the abdicating port, the opening of the jaw plate faces the head end of the elastic flattening piece of the abdicating port, a push rod is arranged at one end of the jaw plate facing the speed reduction driving mechanism, a push cylinder is arranged at the power input end of the push rod, the push cylinder is connected with the transmission base, and a stepped hole movably matched with the push rod is arranged inside the transmission base.

4. The steel wire bundle cutting device of the shield tail brush full-automatic hair-combing machine according to the claims 2 and 3, characterized in that the speed reduction driving mechanism comprises a motor, the power output end of the motor is provided with a worm gear reducer, the power output end of the worm gear reducer is provided with two chain wheels which are distributed at intervals, and the two chain wheels are in meshing transmission through a chain.

5. The steel wire bundle cutting device of the shield tail brush full-automatic hair-combining machine according to claim 4, wherein the wire-cutting wheels are made of cold-work die steel, and the horizontal staggered distance of the two wire-cutting wheels is less than 3 mm.

6. The steel wire bundle cutting device of the shield tail brush full-automatic hair-combing machine according to claim 5, wherein the width and depth of the teeth of the cutting wheel are 20mm and 2mm, respectively.

7. The steel wire bundle cutting device of the shield tail brush full-automatic hair-combining machine according to claim 6, wherein a transmission case is provided outside the sprocket and the chain.

Technical Field

The invention belongs to the technical field of production and manufacturing equipment of shield tail brushes, and relates to a steel wire bundle cutting device of a full-automatic shield tail brush hair-combining machine.

Background

The shield tunneling machine is a special engineering machine for tunneling, integrates light, mechanical, electrical, hydraulic, sensing and information technologies into a whole, and has the functions of excavating and cutting soil, conveying soil slag, assembling tunnel lining, measuring, guiding, correcting deviation and the like. The shield tail brush is an important accessory in shield equipment. The shield tail brush is characterized in that a certain amount of grease filler is injected into a clearance formed by fluffy steel wires after the steel wires are bent, so that a good sealing effect is achieved between the shield and the segment, underground water, outer soil, lining back grouting and the like are prevented from flowing into a tunnel, the tunneling safety is ensured, and the engineering can be smoothly carried out. The shield tail seal of the shield tunneling machine consists of 3 shield tail brushes to form two grease chambers, namely a front chamber and a rear chamber, wherein the front two are long shield tail brushes, and the third is a short shield tail brush. In recent years, large-scale shield tunneling machines in China require a large number of shield tail brushes due to the large excavation diameter. And the large shield tail brush has large bearing pressure and serious abrasion in the working process and large consumption.

At present, the wire bundle of the shield tail brush reaches up to 4500 steel wires, the cutting capacity of the existing cutting equipment is poor, most of the existing cutting equipment adopts a saw blade with a smooth wheel rim to cut, the hardness of the steel wires is high, the conditions of slipping and edge breaking are easy to occur in the cutting process, the cutting efficiency is low, the service cycle of the equipment is short, and the comprehensive utilization rate is low.

Disclosure of Invention

Aiming at the technical problems of the cutting equipment for the shield tail brush steel wire bundle, the invention provides the steel wire bundle cutting device of the shield tail brush full-automatic hair-combing machine, which has the advantages of reasonable design, simple structure, strong cutting capability, high cutting efficiency, long equipment service cycle and high comprehensive utilization rate.

In order to achieve the above purpose, the invention adopts the technical scheme that the steel wire bundle cutting device of the full-automatic shield tail brush hair-combining machine comprises a machine table, and is characterized in that a pair of guide rails are arranged on the machine table, a sliding seat is arranged on the guide rails in a sliding manner, a sliding block movably matched with the guide rails is arranged at the bottom of the sliding seat, an air cylinder is arranged on one side of the sliding seat and comprises a fixed end and a movable end, the fixed end is connected with the machine table, the movable end is connected with the sliding seat, a transmission base table is arranged on the sliding seat, a speed reduction driving mechanism is arranged on one side of the transmission base table, two wire cutting wheels are arranged at the power output end of the speed reduction driving mechanism, the two wire cutting wheels are distributed in a vertically staggered manner, the wire cutting wheels are straight-tooth cylindrical gear rollers, a position-yielding port is arranged at one end, far away from the speed reduction driving mechanism, of the transmission base table, the wire bundle pushing device comprises a position yielding opening, two elastic flattening pieces, an auxiliary withdrawing mechanism and two wire bundle pushing mechanisms, wherein the position yielding opening is in a long strip shape and corresponds to the meshing surfaces of two wire cutting wheels, the elastic flattening pieces are distributed in the position yielding opening in an up-and-down opposite mode and are used for flattening a steel wire bundle entering the position yielding opening, the auxiliary withdrawing mechanism is arranged at one end, close to a speed reduction driving mechanism, of the position yielding opening and is used for pushing the steel wire bundle away from the wire cutting wheels.

As preferred, be provided with two mounting grooves that are used for installing two elasticity exhibition flat spare on the transmission base station, two mounting grooves are the swallow tail form, the forked tail head end of mounting groove is the blind end for open end and its forked tail end, elasticity exhibition flat spare is including letting the single arc section that a mouthful distributes dorsad and the S arc section that a mouthful distributes of letting towards, single arc section and S arc section body coupling, the one end of single arc section is provided with the fixed block, the longitudinal section of fixed block is triangle-shaped, the fixed block passes through bolted connection with the forked tail end of mounting groove, the end of S arc section is the free end and sets up the forked tail end at the mounting groove.

As preferred, supplementary withdrawing means include with the tiger's mouth board of the inboard complex U-shaped of stepping down, the opening of tiger's mouth board is towards the head end of the elasticity exhibition piece of stepping down the mouth, tiger's mouth board is provided with the push rod towards the one end of drive mechanism that slows down, the power input end of push rod is provided with the propelling movement cylinder, the propelling movement cylinder is connected with the transmission base station, the inside of transmission base station be provided with push rod clearance fit's shoulder hole.

Preferably, the speed reduction driving mechanism comprises a motor, a worm gear reducer is arranged at the power output end of the motor, two chain wheels are arranged at the power output end of the worm gear reducer at intervals, and the two chain wheels are in meshing transmission through a chain.

Preferably, the wire cutting wheel is made of cold-work die steel, and the horizontal staggered distance of the two wire cutting wheels is less than 3 mm.

Preferably, the width and depth of the cutting wheel teeth are 20mm and 2mm, respectively.

Preferably, a transmission case is arranged outside the chain wheel and the chain.

Compared with the prior art, the invention has the advantages and positive effects that:

1. according to the steel wire bundle cutting device of the shield tail brush full-automatic hair-combining machine, the cylinder is used for driving the sliding seat to enable the speed reduction driving mechanism and the two wire cutting wheels to move along the length direction of the guide rail, the moving range is the whole width of a steel wire bundle, and corresponding cutting operation can be effectively finished; the two cutting wheels of the device can accurately and firmly grab the steel wire bundles, effectively prevent the steel wires from moving and slipping and greatly improve the cutting efficiency; the elastic flattening piece can be used for exhibiting the steel wire bundle so as to improve the cutting efficiency of the wire cutting wheel and be beneficial to prolonging the actual service life of the wire cutting wheel; the auxiliary withdrawing mechanism can make the transmission base station relatively separate from the steel wire bundle and push the steel wire bundle at the same time, thereby being beneficial to improving the transmission efficiency of the steel wire bundle. The device has the advantages of reasonable design, simple structure, stronger cutting capacity, higher cutting efficiency, longer service cycle of equipment and higher comprehensive utilization rate, and is suitable for large-scale popularization.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.

Fig. 1 is an isometric view of a steel wire bundle cutting device of a full-automatic shield tail brush combing machine provided by an embodiment;

fig. 2 is a side view of a steel wire bundle cutting device of a shield tail brush full-automatic hair-combining machine provided by the embodiment;

FIG. 3 is an isometric view of the steel wire bundle cutting device of the full-automatic shield tail brush combing machine provided by the embodiment in another direction;

FIG. 4 is a front view of a steel wire bundle cutting device (without chain and chain wheel) of the full-automatic shield tail brush combing machine provided by the embodiment;

FIG. 5 is a sectional view of the steel wire bundle cutting device of the shield tail brush full-automatic hair-combining machine provided by the embodiment in the direction H-H;

in the above figures, 1, machine; 2. a guide rail; 3. a sliding seat; 4. a slider; 5. a cylinder; 6. a deceleration drive mechanism; 61. a motor; 62. a worm gear reducer; 63. a sprocket; 64. a chain; 7. a shredding wheel; 8. a transmission housing; 9. a transmission base station; 91. a let position port; 92. mounting grooves; 93. a stepped hole; 10. an elastic flattening member; 101. a single arc segment; 102. an S arc section; 103. a fixed block; 104. a bolt; 11. an auxiliary withdrawing mechanism; 111. a tiger mouth plate; 112. a push rod; 113. and pushing the air cylinder.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" used herein refer to the same directions as the drawings, and do not limit the structure.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.

In an embodiment, as shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, a steel wire bundle cutting device of a full-automatic shield tail brush combiner provided by the invention includes a machine table 1, and the machine table 1 is a platform for performing cutting operation by the device. On the basis, the invention is provided with a pair of guide rails 2 on a machine table 1, a sliding seat 3 is arranged on the guide rails 2 in a sliding manner, the sliding seat is of an inverted T-shaped structure, a sliding block 4 movably matched with the guide rails 2 is arranged at the bottom of the sliding seat 3, one side of the sliding seat 3 is provided with an air cylinder 5, the air cylinder 5 comprises a fixed end and a movable end, the fixed end is connected with the machine table 1, the movable end is connected with the sliding seat 3, the sliding seat 3 is provided with a transmission base table 9, one side of the transmission base table is provided with a speed reduction driving mechanism 6, the power output end of the speed reduction driving mechanism 6 is provided with two wire cutting wheels 7, the two wire cutting wheels 7 are distributed in a vertically staggered manner, the wire cutting wheels 7 are straight-tooth cylindrical shallow gear rollers, strip-shaped abdicating openings 91 are arranged on the sliding seat 3 corresponding to the meshing surfaces of the two wire cutting wheels 7, two elastic flattening pieces 10 which are distributed up and down oppositely are arranged in the abdicating openings, the elastic flattening piece 10 is used for flattening the steel wire bundle entering the allowance opening, an auxiliary withdrawing mechanism 12 is arranged at one end, close to the speed reduction driving mechanism, of the allowance opening 91, and the auxiliary withdrawing mechanism 12 is used for pushing the steel wire bundle away from the cutting wheel. The air cylinder 5 drives the sliding seat 3 to enable the speed reduction driving mechanism 6 and the two wire cutting wheels 7 to move along the length direction of the guide rail 2, a certain distance of the sliding seat 3 reflects the whole width of the steel wire bundle, and meanwhile, the position-giving opening 91 is convenient for the sliding seat 3 to bypass the steel wire bundle so that the cutting working surfaces of the two wire cutting wheels 7 can continuously pass through the steel wire bundle to complete corresponding cutting operation.

Furthermore, the upper cutting wheel is a driving wheel, and the lower cutting wheel is a driven wheel, and the driven power of the lower cutting wheel comes from the pressure of the steel wire bundle and the upper cutting wheel. The steel wire bundle can be accurately and firmly grabbed by the shallow straight-tooth design of the two cutting wheels 7 of the device, the steel wires are effectively prevented from moving and slipping in a string mode, the cutting ports staggered in the two mode form reasonable biting cutting edges, the cutting efficiency is greatly improved, the design is reasonable, the structure is simple, the cutting capacity is high, the cutting efficiency is high, the service life of the device is long, and the comprehensive utilization rate is high.

The elastic flattening piece 10 in the device can be used for exhibiting the steel wire bundles so as to improve the cutting efficiency of the cutting wheel and be beneficial to prolonging the actual service life of the cutting wheel. More specifically, the invention is provided with two mounting grooves 92 for mounting two elastic flattening members on a transmission base table 9, the two mounting grooves 92 are dovetail-shaped, the dovetail head end of the mounting groove 92 is an open end and the dovetail tail end thereof is a closed end, the elastic flattening members comprise a single arc section 101 distributed back to a yielding port and an S arc section 102 distributed towards the yielding port, the single arc section 101 and the S arc section 102 are integrally connected, one end of the single arc section 101 is provided with a fixing block 103, the longitudinal section of the fixing block 103 is triangular, the fixing block is connected with the dovetail tail end of the mounting groove 92 through a bolt 104, and the tail end of the S arc section 102 is a free end and is arranged at the dovetail tail end of the mounting groove 92. The dovetail design of the mounting groove 92 is beneficial to improving the quick shape returning capability of the elastic flattening piece 10 after the steel wire bundles are flattened and cut; the two-section design of the elastic flattening piece 10 is beneficial to smoothly swallow the non-cutting length part of the steel wire bundle along with the movement of the transmission base station 9; the fixed block is used as the fixed end of the elastic flattening piece, so that the elastic flattening piece 10 can stably exert the flattening function in the installation groove 92; one section of S segmental arc near the mounting groove 92 port can constitute relative confined structure with mounting groove 92, in order to avoid the steel wire bundle to stretch into mounting groove 92, and the lower convex part of S segmental arc and the last convex part of another elasticity exhibition piece can be with the advantage of transitivity with the steel wire bundle of stranding along restrainting wide direction exhibition flat, in the flat steel wire bundle of exhibition, the free end of S segmental arc produces the extension in mounting groove 92, in order to avoid excessive extrusion steel wire bundle, thereby greatly reduced shredding wheel shreds the degree of difficulty, improve and shred efficiency.

The auxiliary withdrawing mechanism 11 in the device can lead the transmission base station 9 to push the steel wire bundle while being relatively separated from the steel wire bundle, thereby being beneficial to improving the transmission efficiency of the steel wire bundle. Specifically, the auxiliary withdrawing mechanism 11 provided by the invention comprises a U-shaped tiger's mouth plate 111 matched with the inner side of the abdicating port, the opening of the tiger's mouth plate 111 faces the head end of the elastic flattening part 10 of the abdicating port, one end of the tiger's mouth plate 111 facing the speed reduction driving mechanism is provided with a push rod 112, the power input end of the push rod 112 is provided with a push cylinder 113, the push cylinder 113 is connected with the transmission base 9, and the transmission base 9 is internally provided with a stepped hole 93 movably matched with the push rod 112. The shape of the end part of the tiger's mouth plate 111 is matched with that of the abdicating mouth 91, so that the cut efficiency of the steel wire bundle is not influenced; when the transmission base station 9 moves towards the direction far away from the steel wire bundle under the action of the air cylinder, the pushing air cylinder 113 enables the push rod to push out the tiger-mouth plate 111 in a reverse driving mode, the steel wire bundle is completely pushed away from the transmission base station 9 by the tiger-mouth plate 111, the steel wire bundle is effectively prevented from being taken away from the original transmission direction by the wire cutting wheel 7 and the transmission base station 9, and the wire cutting efficiency of the device is greatly improved. The auxiliary withdrawing mechanism 11 has the advantages of reasonable design, simple structure, stronger practicability and better action instantaneity.

Because the shearing object is about 5000 steel wire bundles, the working condition is a typical low-speed heavy-load working condition, and in order to improve the cutting efficiency of the two cutting wheels 7, the speed reduction driving mechanism 6 provided by the invention is chain transmission with flexible transmission characteristics. Specifically, the speed reduction driving mechanism 6 comprises a motor 61, a power output end of the motor 61 is provided with a worm gear reducer 62, a power output end of the worm gear reducer 62 is provided with two chain wheels 63 distributed at intervals, and the two chain wheels 63 are in meshing transmission through a chain 64. In this way, a stable transmission ratio can be maintained by adopting a chain transmission mode, so that the cutting performance of the cutting wheel 7 is improved, and the motor 61 can be prevented from being overloaded and burnt. Moreover, because the worm gear reducer 62 has self-locking property, the speed reduction driving mechanism 6 can also effectively avoid the phenomenon of tool withdrawal caused by power failure or overload cutting failure.

In order to improve the cutting performance of the shredding wheel 7, the shredding wheel 7 provided by the invention is made of cold-work die steel, and the horizontal staggered distance of the two shredding wheels 7 is less than 3 mm. The cold-work die steel has the characteristics of high hardness and good wear resistance, and the biting edges formed by the two wire cutting wheels 7 in a staggered mode have high cutting efficiency, so that the probability of failure or incomplete cutting can be effectively reduced.

Further, the invention provides a shredding wheel 7 with a tooth width and a tooth depth of 20mm and 2mm, respectively. The tooth width design of the cutting wheel 7 can ensure that the steel wire bundle is stably clamped between the two cutting wheels 7, and the tooth depth design can avoid the steel wire bundle from being excessively deformed at the moment of cutting, so that the quality of the steel wire bundle is influenced, and simultaneously, the two cutting wheels 7 can be ensured to have continuous and stable moving capability under the driving of the air cylinder 5, so that the cutting operation in the designed stroke can be efficiently completed.

In order to improve the transmission performance of the device, the transmission case 8 is arranged outside the chain wheel 63 and the chain 64, so that the cut steel wire bundles can be prevented from being involved in the chain wheel 63 and the chain 64 to influence the cutting action of the shredding wheel 7.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.