CN210253602U - Tensioning structure for metal linear continuous drawing equipment - Google Patents
Tensioning structure for metal linear continuous drawing equipment Download PDFInfo
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- CN210253602U CN210253602U CN201920660760.3U CN201920660760U CN210253602U CN 210253602 U CN210253602 U CN 210253602U CN 201920660760 U CN201920660760 U CN 201920660760U CN 210253602 U CN210253602 U CN 210253602U
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Abstract
A tensioning structure for metal linear continuous drawing equipment comprises a rack, an upper working plate and a lower working plate, wherein synchronous chain wheels are arranged on the front and the back of the upper working plate and the back of the lower working plate respectively, synchronous chain rings are wound on the working plate and the synchronous chain wheels, and a drawing area is formed between the upper synchronous chain and the lower synchronous chain; all be equipped with the tensioning plate on upper and lower working plate, the tensioning plate is installed and is kept away from on one side of drawing the region at the working plate, and upper and lower working plate all includes two tensioning plates, and two tensioning plates are equipped with telescopic machanism about the perpendicular bisector symmetry setting of working plate length direction, at the intermediate position of working plate length direction, the inner and the telescopic machanism linkage of tensioning plate, and the outer end of tensioning plate articulates on the working plate and is close to synchronous sprocket. The two tensioning plates act in the same way, so that the tensioning degrees are the same and the synchronous chain or the roller belt is not easy to damage; the outer end of the tensioning plate is arranged on the working plate in a sliding mode under the action of the strip-shaped through hole and the sliding block, the structure is simple, assembly is easy, and the tensioning plate is good in stability and not prone to shifting or jamming when lifting.
Description
Technical Field
The utility model relates to a drawbench, concretely relates to a tension structure for linear continuous drawing equipment of metal.
Background
The existing crawler-type drawbench comprises a rack, wherein an upper working plate and a lower working plate which can move up and down are arranged on the rack, a front chain wheel and a rear chain wheel are respectively arranged on the upper working plate and the lower working plate and are used for driving a drawing chain which respectively surrounds the upper working plate and the lower working plate, the upper working plate and the lower working plate move up and down to drive the drawing chain to move, the upper working plate and the lower working plate are close to each other to clamp a metal pipe to be drawn by the upper drawing chain and the lower drawing chain, the chain wheels drive the drawing chain to operate, the drawing chain pulls the metal pipe through a drawing die according to friction force, the pipe with required outer diameter and wall thickness can be obtained, the existing crawler-type drawbench transmits motion and power through the meshing between the chain wheels and the chain, although larger force can be transmitted, the chain transmission can not ensure constant instantaneous chain speed and instantaneous transmission ratio, so, the device is easy to generate vibration and noise, has low transmission efficiency, is generally only used for low-speed transmission, and cannot be applied to high-speed drawing production of pipe bars.
The application number CN200910226498.2 crawler-type drawing machine discloses a drawing machine, which comprises a frame, an upper working plate and a lower working plate which are arranged on the frame in a vertically movable manner, wherein synchronous chain wheels are arranged on the upper working plate and the lower working plate at the front and the back respectively, synchronous chains are arranged on the front and the back synchronous chain wheels on the upper working plate and the lower working plate respectively, the synchronous chains are wound on the working plates, a drawing area is formed between the upper synchronous chain and the lower synchronous chain, drawing grooves are formed on the opposite surfaces of the upper synchronous chain and the lower synchronous chain, and the drawing grooves on the upper synchronous chain and the lower; the working plate comprises a pressing plate and a tensioning plate for tensioning the synchronous chain, the tensioning plate is mounted on the pressing plate in a vertically movable mode, and the tensioning plate is mounted on one side, far away from the drawing area, of the pressing plate. The tensioning plate is driven to move by the movement of the piston rod of the cylinder, in actual use, the tensioning plate is short, the short tensioning plate is driven to move up and down by one cylinder, at the moment, the lifting distance of the short tensioning plate is large, the synchronous chain or roller belt is lifted at the position of the short tensioning plate, but after the synchronous chain or roller belt positioned at two sides of the short tensioning plate is separated from the pressing plate, the synchronous chain or roller is damaged due to overlarge stress under the combined action of tangential force and gravity when the synchronous wheel is driven; if the tensioning plate is longer, can set up a plurality of cylinders between long tensioning plate and pressure strip, but the cylinder often can be asynchronous, or the lift volume produces the deviation, has brought the inconvenience for maintenance and use at ordinary times.
Disclosure of Invention
To the problem among the prior art, the utility model provides a tensioning texture for linear continuous drawing equipment of metal
A tensioning structure for metal linear continuous drawing equipment comprises a rack, an upper working plate and a lower working plate which are arranged on the rack in a vertically movable manner, wherein synchronous sprockets are arranged on the front and the back of the upper working plate and the lower working plate respectively, synchronous chains are arranged on the front and the back synchronous sprockets on the upper working plate and the lower working plate respectively, the synchronous chains are wound on the working plates, a drawing area is formed between the upper synchronous chain and the lower synchronous chain, drawing grooves are formed in opposite surfaces of the upper synchronous chain and the lower synchronous chain, and the drawing grooves on the upper synchronous chain and the lower synchronous chain are combined to form a drawing hole; all install the tensioning plate that is used for the synchronous chain of tensioning on the working plate from top to bottom, the tensioning plate is installed and is kept away from on one side of drawing the region at the working plate, its characterized in that: the upper and lower working plate all includes two the tensioning board, two tensioning boards about the perpendicular bisector symmetry setting of working plate length direction the intermediate position of working plate length direction is equipped with telescopic machanism, the inner of tensioning board with the telescopic machanism linkage, the outer end of tensioning board articulates on the working plate and be close to synchronous sprocket.
Further comprises the following steps: the outer end of the tensioning plate is provided with a strip-shaped through groove, a sliding block is fixed on the working plate at a position corresponding to the strip-shaped through groove, and the sliding block is located in the strip-shaped through groove and is in sliding fit with the tensioning plate.
Further comprises the following steps: and a circle of roller belt is arranged between the working plate and the synchronous chain, and the roller belt is supported between the working plate and the synchronous chain.
Further comprises the following steps: the telescopic mechanism is an air cylinder or a hydraulic cylinder, and the two tensioning plates are symmetrically hinged on telescopic rods arranged on the air cylinder or the hydraulic cylinder; and a cylinder body arranged on the air cylinder or the hydraulic cylinder is fixed on the working plate.
The utility model has the advantages that: the two symmetrically arranged tensioning plates are driven simultaneously through the telescopic mechanisms, the two tensioning plates act in a consistent manner, so that the tensioning degrees are the same, synchronous chains or roller belts are not easy to damage, the span is large, and the supporting effect and the weighing performance are good; the arrangement of the roller belt reduces the friction between the working plate and the synchronous chain; the tensioning board outer end slides under the effect through bar through-hole and slider and sets up on the working plate, and simple structure easily assembles and tensioning board stability is good difficult emergence skew or the card is dunked when going up and down.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is an enlarged view of the area a in fig. 1.
In the figure, 1, a working plate; 2. a telescoping mechanism; 21. a telescopic rod; 3. a synchronization chain; 4. a clamping block; 5. a roller belt; 6. a tension plate; 61. a slider; 62. a strip-shaped through groove; 7. a timing sprocket.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings. It should be noted that the terms of orientation such as left, middle, right, up and down in the examples of the present invention are only relative to each other or are referred to the normal use status of the product, and should not be considered as limiting.
A tensioning structure for metal linear continuous drawing equipment is shown in figure 1 and comprises a rack, an upper working plate and a lower working plate which are arranged on the rack in a vertically movable manner, wherein synchronous chain wheels 7 are arranged on the front and the rear of the upper working plate and the lower working plate respectively, synchronous chains 3 are arranged on the front and the rear synchronous chain wheels on the upper working plate and the lower working plate respectively, the synchronous chains 3 surround the working plates, a drawing area is formed between the upper synchronous chain 7 and the lower synchronous chain 7, drawing grooves are formed in the opposite surfaces of the upper synchronous chain 7 and the lower synchronous chain 7, the drawing grooves on the upper synchronous chain 7 and the lower synchronous chain 7 are combined to form a drawing hole, the synchronous chains 7 are chain type synchronous chains, clamping blocks 4 fixedly connected with the synchronous chains are uniformly distributed on the outer circumferential surface of the synchronous chains 7, and the drawing grooves are positioned on the; all install the tensioning plate 6 that is used for tensioning synchronous chain 7 on the upper and lower working plate, tensioning plate 6 installs and keeps away from on one side of drawing the region at working plate 1, the upper and lower working plate all includes two tensioning plate 6, two tensioning plate 6 about the perpendicular bisector symmetry of 1 long direction of working plate sets up the intermediate position of 1 long direction of working plate is equipped with telescopic machanism 2, telescopic machanism 2 is located the middle part of working plate 1, 6 the inner of the tensioning plate that two symmetries set up all with telescopic machanism 2 links, the outer end of tensioning plate 6 articulates on working plate 1 and be close to synchronous sprocket 7.
The side edges of the drawing areas of the upper working plate 1 and the lower working plate 1 are both long-strip-shaped and parallel to each other, the outer side edge of the tensioning plate 6 is arc-shaped, as shown in fig. 2, a strip-shaped through groove 62 is formed in the outer end of the tensioning plate 6, a sliding block 61 is fixed on the working plate 1 at a position corresponding to the strip-shaped through groove 62, the sliding block 61 is located in the strip-shaped through groove 62 and is in sliding fit with the tensioning plate 6, and an opening at one end of the strip-shaped through groove 62 is provided for facilitating installation of the sliding block 61; a circle of roller belt 5 is arranged between the working plate and the synchronous chain 3, and the roller belt 5 is supported between the working plate and the synchronous chain 3; pin shafts are uniformly distributed on the side surface of the synchronous chain 3 along the synchronous chain 3 and are meshed with the synchronous chain wheel 7, so that the synchronous chain wheel 7 can drive the synchronous chain 3 to move; the telescopic mechanism 2 is an air cylinder or a hydraulic cylinder, and the two tensioning plates 6 are symmetrically hinged on telescopic rods 21 arranged on the air cylinder or the hydraulic cylinder; and a cylinder body arranged on the air cylinder or the hydraulic cylinder is fixed on the working plate 1.
The utility model discloses a theory of operation: the working plate, the synchronous chain and the synchronous chain wheel on the frame form a traction mechanism of the drawing machine, the drawing machine is also provided with a pre-drawing guide head mechanism, in the pre-drawing guide head mechanism, a guide rail is arranged on the frame, a guide clamp is arranged on the guide rail in a sliding way, a drawing die holder is arranged at the front part of the frame, when a bar is drawn on the drawing machine, the bar is arranged on the drawing die holder, an eccentric shaft rotates to separate an upper working plate from a lower working plate, the guide clamp is driven by a driving mechanism to move to the drawing die holder along the guide rail to clamp the bar extending out of the drawing die holder, then the upper working plate and the lower working plate are pressed tightly, the upper synchronous chain and the lower synchronous chain clamp the guide clamp, the guide head of the bar is drawn to the tail part of the drawing machine under the driving action of the synchronous chain wheel, the guide clamp is loosened, the pre-drawing process is finished, then, the inner end, the purpose of tensioning the synchronous chain is achieved, then the working plate is pressed up and down under the eccentric shaft mechanism, so that the synchronous chain clamps the drawn leading head through the drawing hole, the synchronous chain wheel drives, and the required metal bar is drawn out at the tail of the drawing machine through friction force generated by pressing.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. A tensioning structure for metal linear continuous drawing equipment comprises a rack, an upper working plate and a lower working plate which are arranged on the rack in a vertically movable manner, wherein synchronous sprockets are arranged on the front and the back of the upper working plate and the lower working plate respectively, synchronous chains are arranged on the front and the back synchronous sprockets on the upper working plate and the lower working plate respectively, the synchronous chains are wound on the working plates, a drawing area is formed between the upper synchronous chain and the lower synchronous chain, drawing grooves are formed in opposite surfaces of the upper synchronous chain and the lower synchronous chain, and the drawing grooves on the upper synchronous chain and the lower synchronous chain are combined to form a drawing hole; all install the tensioning plate that is used for the synchronous chain of tensioning on the working plate from top to bottom, the tensioning plate is installed and is kept away from on one side of drawing the region at the working plate, its characterized in that: the upper and lower working plate all includes two the tensioning board, two tensioning boards about the perpendicular bisector symmetry setting of working plate length direction the intermediate position of working plate length direction is equipped with telescopic machanism, the inner of tensioning board with the telescopic machanism linkage, the outer end of tensioning board articulates on the working plate and be close to synchronous sprocket.
2. The tension structure for a metal linear continuous drawing apparatus according to claim 1, wherein: the outer end of the tensioning plate is provided with a strip-shaped through groove, a sliding block is fixed on the working plate at a position corresponding to the strip-shaped through groove, and the sliding block is located in the strip-shaped through groove and is in sliding fit with the tensioning plate.
3. The tension structure for a metal linear continuous drawing apparatus according to claim 1, wherein: and a circle of roller belt is arranged between the working plate and the synchronous chain, and the roller belt is supported between the working plate and the synchronous chain.
4. The tension structure for a metal linear continuous drawing apparatus according to claim 1, wherein: the telescopic mechanism is an air cylinder or a hydraulic cylinder, and the two tensioning plates are symmetrically hinged on telescopic rods arranged on the air cylinder or the hydraulic cylinder; and a cylinder body arranged on the air cylinder or the hydraulic cylinder is fixed on the working plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920660760.3U CN210253602U (en) | 2019-05-09 | 2019-05-09 | Tensioning structure for metal linear continuous drawing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920660760.3U CN210253602U (en) | 2019-05-09 | 2019-05-09 | Tensioning structure for metal linear continuous drawing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210253602U true CN210253602U (en) | 2020-04-07 |
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ID=70024185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920660760.3U Active CN210253602U (en) | 2019-05-09 | 2019-05-09 | Tensioning structure for metal linear continuous drawing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210253602U (en) |
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2019
- 2019-05-09 CN CN201920660760.3U patent/CN210253602U/en active Active
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