阅读说明：本技术 一种高精度冷拉异型钢冷拉机用高夹持力拉伸小车 (High-clamping-force stretching trolley for high-precision cold-drawing deformed steel cold-drawing machine ) 是由 毛振荣 王璐 于 2021-07-16 设计创作，主要内容包括：本发明公开了一种高精度冷拉异型钢冷拉机用高夹持力拉伸小车,包括小车本体、若干导轨滚轮、异型钢夹持装置、小车挂接装置,所述的小车本体两侧设有若干可以与导轨配合的导轨滚轮,所述的小车本体上端一侧设有异型钢夹持装置,所述的小车本体上端远离异型钢夹持装置的一侧设有小车挂接装置,本发明通过将异型钢夹持装置,异型钢夹持装置通过杠杆原理和偏心轴驱动夹持钳夹持,提高夹持钳的夹持力,钢材原料固定更稳固,提高安全性,提高冷拉质量,提高冷拉效率,通过小车挂接装置与冷拉机的驱动链连接,连接更稳固,挂钩提起更方便。(The invention discloses a high-clamping-force stretching trolley for a high-precision cold-drawing deformed steel cold-drawing machine, which comprises a trolley body, a plurality of guide rail rollers, a deformed steel clamping device and a trolley hanging device, wherein the plurality of guide rail rollers capable of being matched with guide rails are arranged on two sides of the trolley body, the deformed steel clamping device is arranged on one side of the upper end of the trolley body, and the trolley hanging device is arranged on one side, away from the deformed steel clamping device, of the upper end of the trolley body.)

1. The utility model provides a tensile dolly of high clamping-force for high accuracy cold drawing deformed steel cold drawing machine which characterized in that: the trolley comprises a trolley body (1), a plurality of guide rail idler wheels (2), a deformed steel clamping device (3) and a trolley hanging device (4), wherein the guide rail idler wheels (2) capable of being matched with guide rails are arranged on two sides of the trolley body (1), the deformed steel clamping device (3) is arranged on one side of the upper end of the trolley body (1), and the trolley hanging device (4) is arranged on one side, away from the deformed steel clamping device (3), of the upper end of the trolley body (1).

2. The high-clamping-force stretching trolley for the high-precision cold-drawn deformed steel cold-drawing machine as claimed in claim 1, wherein: the deformed steel clamping device (3) comprises a clamping device bottom plate (31), a clamping device top plate (32), an oil cylinder (33), a first force arm (34), a second force arm (35), an eccentric wheel (36), clamping pincers (37), a plurality of fixed connecting rods (38) and an oil cylinder protective cover (310), wherein the clamping device bottom plate (31) is arranged on one side of the upper end of the trolley body (1), the upper end of the clamping device bottom plate (31) is transversely provided with a plurality of clamping device top plates (32) matched with the clamping device bottom plate, a certain gap is formed between each clamping device top plate (32) and the corresponding clamping device bottom plate (31), the clamping device top plates (32) are fixedly connected with the clamping device bottom plate (31) through the plurality of fixed connecting rods (38), and the first force arm (34), the second force arm (35), the eccentric wheel (36) and the clamping pincers (37) are two, two clamping pincers (37) are symmetrically arranged on two sides between the clamping device bottom plate (31) and the clamping device top plate (32), the upper end and the lower end of the clamping pincers (37) are respectively connected with the clamping device bottom plate (31) and the clamping device top plate (32) in a sliding way, an eccentric wheel (36) which can be matched with the clamping pliers (37) is arranged beside the clamping pliers, the upper end and the lower end of the eccentric wheel (36) are respectively and rotatably connected with a clamping device bottom plate (31) and a clamping device top plate (32), a first force arm (34) is arranged on the side wall of the eccentric wheel (36), a second force arm (35) is hinged at the other end of the first force arm (34), the other end of the second force arm (35) is hinged with the oil cylinder force arm of the oil cylinder (33), dolly body (1) upper end be equipped with can with hydro-cylinder (33) complex hydro-cylinder safety cover (310), hydro-cylinder (33) locate in hydro-cylinder safety cover (310).

3. The high-clamping-force stretching trolley for the high-precision cold-drawn deformed steel cold-drawing machine as claimed in claim 2, wherein: the deformed steel clamping device (3) comprises a clamping device guide rail (39), and the clamping pincers (37) are connected with the clamping device bottom plate (31) and the clamping device top plate (32) in a sliding mode through the clamping device guide rail (39).

4. The high-clamping-force stretching trolley for the high-precision cold-drawn deformed steel cold-drawing machine as claimed in claim 2, wherein: a plurality of pullback springs (311) are arranged between the clamping pincers (37) and the fixed connecting rod (38), and the pullback springs (311) pull the clamping pincers (37) back to two sides.

5. The high-clamping-force stretching trolley for the high-precision cold-drawn deformed steel cold-drawing machine as claimed in claim 2, wherein: the trolley hanging device (4) comprises a hook (41), a lifting support (42) and a lifting cylinder (43), the tail end of the hook (41) is hinged to the trolley body (1), the lifting support (42) capable of being matched with the hook (41) is arranged on the oil cylinder protection cover (310), the lifting support (42) is 7-shaped, and the lifting cylinder (43) is arranged between the lifting support (42) and the hook (41).

[ technical field ] A method for producing a semiconductor device

The invention relates to the technical field of deformed steel production equipment, in particular to the technical field of a stretching trolley for a deformed steel cold drawing machine.

[ background of the invention ]

The deformed steel is a kind of shaped steel with complicated and irregular section, and is distinguished from the simple section shaped steel and the simple section shaped steel. According to different processes, the steel can be divided into hot-rolled deformed steel, cold-drawn deformed steel, cold-bent deformed steel, welded deformed steel and the like. In general, the deformed steel is in particular hot-rolled deformed steel. The hot-rolled deformed steel is hot-rolled section steel which distinguishes square steel, round steel, flat steel and common shapes, wherein the cold-drawn section steel is steel with various cross-sectional shapes and sizes formed by cold drawing, the cold-drawn section steel is also called cold-drawn steel, the cold-drawn deformed steel needs to be processed by a cold-drawing machine, in the processing process of the cold-drawing machine, a stretching trolley at the upper end of the cold-drawing machine clamps a steel raw material, the steel raw material is drawn by a cold-drawing die for cold-drawing processing, but the clamping force of the existing stretching trolley is poor, the requirement on the clamping force of the stretching trolley on the steel in the cold-drawing process is high, and if the clamping force is insufficient, the steel in the drawing process is easy to fall off and is dangerous.

[ summary of the invention ]

The invention aims to solve the problems in the prior art, and provides a high-clamping-force stretching trolley for a high-precision cold-drawing deformed steel cold-drawing machine, which can improve the clamping force of the stretching trolley on steel raw materials, improve the safety, improve the cold-drawing quality and improve the cold-drawing efficiency.

In order to achieve the purpose, the invention provides a high-clamping-force stretching trolley for a high-precision cold-drawing deformed steel cold-drawing machine, which comprises a trolley body, a plurality of guide rail rollers, a deformed steel clamping device and a trolley hanging device, wherein the guide rail rollers capable of being matched with the guide rails are arranged on two sides of the trolley body, the deformed steel clamping device is arranged on one side of the upper end of the trolley body, and the trolley hanging device is arranged on one side, far away from the deformed steel clamping device, of the upper end of the trolley body.

Preferably, the deformed steel clamping device comprises a clamping device bottom plate, a clamping device top plate, an oil cylinder, a first force arm, a second force arm, an eccentric wheel, clamping pincers, a plurality of fixed connecting rods and an oil cylinder protective cover, wherein the clamping device bottom plate is arranged on one side of the upper end of the trolley body, the upper end of the clamping device bottom plate is transversely provided with a plurality of clamping device top plates matched with the clamping device bottom plate, a certain gap is formed between the clamping device top plate and the clamping device bottom plate, the clamping device top plate and the clamping device bottom plate are fixedly connected through the plurality of fixed connecting rods, the number of the first force arm, the second force arm, the eccentric wheel and the clamping pincers is two, the two clamping pincers are symmetrically arranged on two sides between the clamping device bottom plate and the clamping device top plate, and the upper end and the lower end of each clamping pincers are respectively connected with the clamping device bottom plate and the clamping device top plate in a sliding manner, the other eccentric wheel that can rather than the complex that is equipped with of centre gripping pincers, the eccentric wheel about both ends respectively with clamping device bottom plate, clamping device roof rotatable coupling, the eccentric wheel lateral wall be equipped with the first arm of force, the first arm of force other end articulated have the second arm of force, the other end of the second arm of force articulated with the hydro-cylinder arm of force of hydro-cylinder, dolly body upper end be equipped with can with hydro-cylinder complex hydro-cylinder safety cover, the hydro-cylinder locate in the hydro-cylinder safety cover.

Preferably, the deformed steel clamping device comprises a clamping device guide rail, and the clamping pincers are connected with the clamping device bottom plate and the clamping device top plate in a sliding mode through the clamping device guide rail.

Preferably, a plurality of pullback springs are arranged between the clamping pincers and the fixed connecting rod, and the pullback springs pull the clamping pincers back towards two sides.

Preferably, the trolley hanging device comprises a hook, a lifting support and a lifting cylinder, the tail end of the hook is hinged with the trolley body, the lifting support capable of being matched with the hook is arranged on the oil cylinder protection cover, the lifting support is 7-shaped, and the lifting cylinder is arranged between the lifting support and the hook.

The high-clamping-force stretching trolley for the high-precision cold-drawn deformed steel cold-drawing machine has the beneficial effects that: according to the invention, the deformed steel clamping device drives the clamping pincers to clamp through the lever principle and the eccentric shaft, so that the clamping force of the clamping pincers is improved, the steel raw material is more stably fixed, the safety is improved, the cold drawing quality is improved, the cold drawing efficiency is improved, and the trolley hanging device is connected with the driving chain of the cold drawing machine, so that the connection is more stable, and the hook is more conveniently lifted.

The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.

[ description of the drawings ]

FIG. 1 is a schematic structural view of a high clamping force drawing trolley for a high precision cold drawing deformed steel cold drawing machine of the invention;

FIG. 2 is a front sectional view of a high clamping force drawing carriage for a high precision cold drawn deformed steel cold drawing machine according to the present invention;

FIG. 3 is a schematic structural view of a high clamping force drawing trolley for a high precision cold drawing deformed steel cold drawing machine according to the present invention;

FIG. 4 is a sectional view of a top view of a high clamping force stretching carriage for a high precision cold drawn deformed steel cold drawing machine according to the present invention.

In the figure: 1-trolley body, 2-guide rail roller, 3-deformed steel clamping device, 4-trolley hitching device, 31-clamping device bottom plate, 32-clamping device top plate, 33-oil cylinder, 33-first force arm, 34-first force arm, 35-second force arm, 36-eccentric wheel, 37-clamping clamp, 38-fixed connecting rod, 39-clamping device guide rail, 310-oil cylinder protective cover, 311-pullback spring, 41-hook, 42-lifting support and 43-lifting cylinder.

[ detailed description ] embodiments

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

Referring to fig. 1, 2, 3 and 4, the high clamping force drawing trolley for the high precision cold drawing deformed steel cold drawing machine comprises a trolley body 1, a plurality of guide rail rollers 2, a deformed steel clamping device 3 and a trolley hanging device 4, wherein a plurality of guide rail rollers 2 capable of being matched with the guide rails are arranged on two sides of the trolley body 1, the deformed steel clamping device 3 is arranged on one side of the upper end of the trolley body 1, the trolley hanging device 4 is arranged on one side, far away from the deformed steel clamping device 3, of the upper end of the trolley body 1, the deformed steel clamping device 3 comprises a clamping device bottom plate 31, a clamping device top plate 32, an oil cylinder 33, a first force arm 34, a second force arm 35, an eccentric wheel 36, a clamping clamp 37, a plurality of fixed connecting rods 38 and an oil cylinder protective cover 310, the clamping device bottom plate 31 is arranged on one side of the upper end of the trolley body 1, and a plurality of clamping device top plates 32 matched with the clamping device bottom plate 31 are transversely arranged on the upper end of the clamping device bottom plate 31, a certain gap is arranged between the clamping device top plate 32 and the clamping device bottom plate 31, the clamping device top plate 32 and the clamping device bottom plate 31 are fixedly connected through a plurality of fixed connecting rods 38, two first force arms 34, two second force arms 35, two eccentric wheels 36 and two clamping pincers 37 are arranged at two sides between the clamping device bottom plate 31 and the clamping device top plate 32, two clamping pincers 37 are symmetrically arranged at two sides between the clamping device bottom plate 31 and the clamping device top plate 32, the upper end and the lower end of each clamping pincers 37 are respectively connected with the clamping device bottom plate 31 and the clamping device top plate 32 in a sliding manner, the eccentric wheels 36 matched with the clamping pincers 37 are arranged beside the clamping pincers 37, the upper end and the lower end of each eccentric wheel 36 are respectively connected with the clamping device bottom plate 31 and the clamping device top plate 32 in a rotating manner, the first force arm 34 is arranged on the side wall of each eccentric wheel 36, the second force arm 35 is hinged to the other end of the first force arm 34, and the oil cylinder of the oil cylinder 33 are hinged to the other end of the second force arm 35, dolly body 1 upper end be equipped with can with hydro-cylinder 33 complex hydro-cylinder safety cover 310, hydro-cylinder 33 locate in hydro-cylinder safety cover 310, deformed steel clamping device 3 include clamping device guide rail 39, clamping vice 37 pass through clamping device guide rail 39 and clamping device bottom plate 31, clamping device roof 32 sliding connection, clamping vice 37 and fixed link 38 between be equipped with a plurality of pullback springs 311, pullback spring 311 pull back clamping vice 37 to both sides, dolly hooking device 4 including couple 41, lift support 42, lift cylinder 43, 41 tail ends of couple articulated with dolly body 1, hydro-cylinder safety cover 310 be equipped with can with couple 41 complex lift support 42, lift support 42 be "7" style of calligraphy, lift support 42 and couple 41 between be equipped with and lift cylinder 43.

The working process of the invention is as follows:

the invention relates to a high clamping force stretching trolley for a high-precision cold-drawing deformed steel cold-drawing machine, which is characterized in that in the working process, the stretching trolley is arranged on the cold-drawing machine, a guide rail roller 2 is connected with a guide rail of the stretching machine, when an oil cylinder 33 of a deformed steel clamping device 3 is pushed forwards, an eccentric wheel 36 is driven to rotate through a first force arm 34 and a second force arm 35, the eccentric wheel 36 drives a clamping clamp 37 to close, the clamping clamp 37 clamps a steel material, a lifting cylinder 43 of a trolley hooking device 4 contracts to put down a hook 41, and the hook 41 is connected with a driving chain of the cold-drawing machine to drive the stretching trolley to move so as to drive the steel material to be cold-drawn.

The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.