CN212682068U

CN212682068U - Drawing device of disc drawing machine

Info

Publication number: CN212682068U
Application number: CN202021361793.7U
Authority: CN
Inventors: 陈紫阳
Original assignee: Changzhou Linuo Metal Co ltd
Current assignee: Changzhou Linuo Metal Co ltd
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2021-03-12
Anticipated expiration: 2030-07-13

Abstract

The utility model discloses a dish drawbench pulling device relates to the pulling device field, aims at solving the problem that the aluminum pipe is drawn the back temperature height and reel and aluminum pipe contact and connects bending stress big in the twinkling of an eye, and its technical scheme main points are: a drawing device of a disc drawing machine comprises a material placing frame, a drawing module, a winding drum and a material receiving disc, wherein the drawing module comprises a drawing die and a cooling die, an oil injection hole is formed in the upper end of the drawing die, an annular lubricating oil groove is formed in the lower end of the oil injection hole, a plurality of water pipes penetrate through the cooling die, a pressure sensor is embedded in the upper end of the side surface of the winding drum, a control box is fixedly arranged at the top of the winding drum, and an alarm is fixedly arranged at the upper end of the control box; the utility model discloses a coil drawbench drawing device for the aluminum pipe cooling after the drawing, lubricated to the stress of real-time supervision aluminum pipe and reel contact surface prevents that the aluminum pipe from taking place abnormal deformation or fracture.

Description

Drawing device of disc drawing machine

Technical Field

The utility model relates to a drawing device field, more specifically say, it relates to a dish draws quick-witted drawing device.

Background

The disc type drawbench (disc drawbench) is mainly used for drawing pipes, has various structural forms, generally comprises a horizontal type and a vertical type, and can continuously discharge materials by an inverted disc drawbench. The disc puller generally uses the diameter of the reel to indicate the capacity. The diameter of the capstan is 550-2900mm, the maximum diameter is 3500mm, and the drawing force is generally 8.8-17.8 kN.

When the pipe is drawn on a disc drawing machine, the pipe is subjected to tensile stress and additional bending stress at the moment when the pipe contacts a winding drum, and in order to prevent drawing, the pass allowable deformation amount during disc drawing is smaller than that during linear drawing. The pipe drawing device draws the pipe, and because drawing speed is fast, the high-speed friction of pipe and drawing die for the pipe temperature that draws out is high, and the winding of pipe is easily caused the breaking at the in-process of receiving the charging tray, thereby influences the quality and the production efficiency of pipe.

The traditional disc drawing machine drawing device has the following problems:

1. when the pipe is drawn by the coil drawing machine, the drawing speed is high, and the pipe and the drawing die generate heat through high-speed friction, so that the temperature of the pipe is increased, and the traditional drawing device lacks a pipe cooling device or has poor cooling effect.

2. The initial contact surface of the traditional coiling block of the coil drawing machine and the pipe does not have a stress detection device, so that the problem of overlarge additional stress of the pipe cannot be found and solved in time, and the pipe is easy to break due to overlarge stress.

3. In the process of drawing the pipe by the coil drawing machine, the friction between the pipe and the winding drum causes the surface of the pipe to be adhered with aluminum, the stress on the surface of the pipe is uneven after the pipe is adhered with the aluminum, and the pipe is easy to break in the high-speed drawing process.

SUMMERY OF THE UTILITY MODEL

To the problem of mentioning in the background art, the utility model aims at providing an automatic unloader of aluminium bar to the tubular product cooling, lubrication and the stress detection problem of mentioning in the solution background art.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a disc-drawing machine drawing device, includes the blowing frame, draws the module, reel and material collecting tray, it includes drawing die and cooling die to draw the module, the oil filler point has been seted up to drawing die's upper end, annular lubrication groove has been seted up to the lower extreme of oil filler point, the inside of cooling die runs through there are many water pipes, it is provided with pressure sensor to inlay on the side upper end of reel, the fixed control box that is provided with in top of reel, the upper end fixed mounting of control box has the alarm, and wherein tubular product drawing process is in proper order through the blowing frame, draws module, reel, material collecting tray.

Further, a pipe blank is wound on the material placing frame.

Through adopting above-mentioned technical scheme, the winding of the pipe embryo that does not draw is on the blowing frame, and blowing frame and reel rotate, and the dish draws the machine and continuously draws tubular product, realizes the long-time automatic work of equipment for produce the great tubular product of length.

Furthermore, the left end of the drawing die is a pipe inlet, the right end of the drawing die is a pipe outlet, and the diameter of the cross section of the inlet is larger than that of the cross section of the outlet.

By adopting the technical scheme, the pipe blank with the larger pipe diameter is processed by the drawing die, the length is stretched, the pipe diameter is reduced, the size of the drawing die is adjusted according to production requirements, and pipes with different pipe diameters are produced.

Further, the cavity of the lubricating oil groove is filled with sponge.

Through adopting above-mentioned technical scheme, the porous loose structure of sponge can adsorb a large amount of lubricating oil, prevents to run off fast from the lubricating oil that the oil filler point added, also can guarantee simultaneously that the tubular product surface is lubricated by the uniformity.

Furthermore, the water flow direction inside the water pipe is opposite to the drawing direction of the pipe, namely water enters from the right end and water exits from the left end.

Through adopting above-mentioned technical scheme, the direction that tubular product was drawn is opposite with the flow direction of cooling water, and when tubular product passed through cooling die for the cooling effect maximize.

Further, the pressure sensor is electrically connected with the control box, and a power supply is arranged in the control box.

By adopting the technical scheme, the control box receives the signals sent by the pressure sensor and analyzes the signals, and the power supply in the control box is used for supplying power to the pressure sensor, the control box and the alarm.

Furthermore, the inside of alarm is provided with sound generating mechanism, red warning light is installed at the top of alarm.

Through adopting above-mentioned technical scheme, when pressure sensor detected out abnormal stress value, the alarm sent out the prompt tone and twinkle the red light, reminded the staff and inspect equipment running situation, prevented that tubular product drawing quality from being influenced.

To sum up, the utility model discloses mainly have following beneficial effect:

1. the utility model discloses a, through addding cooling die drawing the module, to drawing the tubular product cooling that the back temperature rose, effectively prevent tubular product winding fracture in the in-process of receiving the charging tray, improve production efficiency.

2. The utility model discloses a, at reel upper end installation pressure-sensitive device, in time monitor the abnormal value of tubular product and reel contact stress in the twinkling of an eye, after control box analysis data, send the warning through the alarm, remind the staff to make corresponding adjustment, avoid tubular product to take place to warp because the stress is too big, influence the tubular product quality.

3. The utility model discloses a, through add oil filler point and lubricating-oil groove on drawing die utensil, lubricate the tubular product of drawing, prevent that tubular product and reel friction from causing the tubular product surface to glue aluminium, and tubular product glues aluminium rear surface atress inhomogeneous, and the reel rotates and stimulates tubular product and break easily.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the overall structure of a disc drawing machine;

FIG. 2 is an internal structural view of the drawing module of FIG. 1;

fig. 3 is a schematic structural view of the roll of fig. 1.

In the figure: 1. a material placing frame; 2. a drawing module; 201. drawing the die; 202. an oil filler hole; 203. a lubricating oil groove; 204. cooling the mold; 205. a water pipe; 3. a reel; 301. a pressure sensor; 302. a control box; 303. an alarm; 4. and (7) receiving a material tray.

Detailed Description

In order to make the objects and technical solutions of the present invention clear and fully described, and the advantages thereof more clearly understood, the embodiments of the present invention are described in further detail below with reference to the accompanying drawings.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1-3, a drawing device of a disc drawing machine comprises a material placing frame 1, a drawing module 2, a winding drum 3 and a material receiving disc 4, wherein the drawing module 2 comprises a drawing die 201 and a cooling die 204, an oil filling hole 202 is formed in the upper end of the drawing die 201, during the operation of the disc drawing machine, a worker regularly adds lubricating oil into the oil filling hole 202 to lubricate a drawn pipe, so as to effectively prevent the surface of the pipe from being adhered with aluminum, prevent the pipe from being broken during the high-speed drawing process, an annular lubricating oil groove 203 is formed in the lower end of the oil filling hole 202, a plurality of water pipes 205 penetrate through the cooling die 204, cooling water flows through the plurality of water pipes 205 to cool the pipe with raised temperature after drawing, so as to effectively prevent the pipe from being broken during the winding process on the material receiving disc 4, a pressure sensor 301 is embedded in the upper end of the side surface of the winding drum 3, so as to timely monitor the abnormal, then with the control box 302 at signal transmission to reel 3's top, control box 302 analysis processes pressure signal to alarm 303 through the upper end of control box 302 makes the response, reminds the staff to make corresponding adjustment, avoids tubular product to take place to warp because stress is too big, influences the tubular product quality, and tubular product drawing process is in proper order through blowing frame 1, drawing module 2, reel 3, material collecting tray 4.

Referring to fig. 1, a pipe blank is wound on the material placing frame 1, the material placing frame 1 and the winding drum 3 rotate, and the pipe is continuously drawn by the coil drawing machine, so that long-time automatic work of equipment is realized.

Referring to fig. 1 and 2, the drawing die 201 has a tube inlet at the left end and a tube outlet at the right end, the diameter of the inlet section is larger than that of the outlet section, after a tube blank is processed in the drawing die 201, the length of the tube blank is stretched, the diameter of the tube blank is reduced, and the size of the drawing die 201 is adjusted according to production requirements to produce tubes with different tube diameters.

Referring to fig. 1 and 2, the cavity of the lubricating oil groove 203 is filled with sponge, and the porous loose structure of the sponge can absorb a large amount of lubricating oil, so that the lubricating oil added from the oil filling hole 202 is prevented from rapidly losing, and the surface of the pipe can be uniformly lubricated.

Referring to fig. 1 and 2, the water flow direction inside the water pipe 205 is opposite to the drawing direction of the pipe, i.e. water is fed from the right end and discharged from the left end, the drawing direction of the pipe is opposite to the flow direction of the cooling water, and the cooling effect is maximized when the pipe passes through the cooling die 204.

Referring to fig. 1 and 3, the pressure sensor 301 is electrically connected to a control box 302, a power supply is disposed inside the control box 302, the control box 302 receives a signal sent by the pressure sensor 301 and analyzes the signal, and the power supply inside the control box 302 is used for supplying power to the pressure sensor 301, the control box 302 and the alarm 303.

Referring to fig. 1 and 3, the inside of alarm 303 is provided with sound generating mechanism, and red warning light is installed at the top of alarm 303, and when pressure sensor 301 detected out abnormal stress value, alarm 303 sent the prompt tone and twinkle the red light, reminded the staff and inspect equipment running condition, prevented that tubular product drawing quality from being influenced.

When the utility model is used, the pipe drawing process sequentially passes through the material placing frame 1, the drawing module 2, the winding drum 3 and the material receiving disc 4, the pipe blank which is not drawn is wound on the material placing frame 1, the disc drawing machine is started, the winding drum 3 rotates, the drawn pipe blank is unloaded from the material placing frame 1, then the pipe blank enters the drawing module 2, in the drawing module 2, the pipe blank is firstly drawn by the drawing die 201, the drawn pipe passes through the lubricating oil groove 203, the surface of the drawn pipe is covered with a lubricating oil film, the surface of the pipe is effectively prevented from being adhered with aluminum, the pipe is prevented from being broken in the high-speed drawing process, then the pipe blank passes through the cooling die 204, the cooling die 204 passes through cold water flowing in the water pipe 205, the drawn pipe is cooled, the pipe is prevented from being broken in the process of being wound on the material receiving disc 4, the production efficiency is improved, then the pipe is wound on the winding drum 3, because the, in order to prevent the pipe from being broken, the allowable deformation of the pass during the drawing of the disc is smaller than that of the straight-line pipe drawing, the pressure sensor 301 is embedded at the upper end of the side surface of the winding drum 3, the abnormal value of the stress at the moment of the contact between the pipe and the winding drum 3 is monitored in time, the pipe is prevented from deforming due to overlarge stress, the quality of the pipe is prevented from being influenced, and finally, the pipe is wound on the material collecting tray 4, and the pipe drawing process is finished.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a dish drawbench draw gear, includes blowing frame (1), draws module (2), reel (3) and receipts charging tray (4), its characterized in that: drawing module (2) including drawing die utensil (201) and cooling die utensil (204), oil filler point (202) have been seted up to the upper end of drawing die utensil (201), annular lubrication groove (203) have been seted up to the lower extreme of oil filler point (202), the inside of cooling die utensil (204) is run through and is had many water pipes (205), inlay on the side upper end of reel (3) and be provided with pressure sensor (301), the fixed control box (302) that is provided with in top of reel (3), the upper end fixed mounting of control box (302) has alarm (303).

2. The drawing device of a disc drawing machine according to claim 1, characterized in that: the pipe blank is wound on the material placing frame (1).

3. The drawing device of a disc drawing machine according to claim 1, characterized in that: the left end of the drawing die (201) is a pipe inlet, the right end of the drawing die is a pipe outlet, and the diameter of the cross section of the inlet is larger than that of the cross section of the outlet.

4. The drawing device of a disc drawing machine according to claim 1, characterized in that: the cavity of the lubricating oil groove (203) is filled with sponge.

5. The drawing device of a disc drawing machine according to claim 1, characterized in that: the water flow direction in the water pipe (205) is opposite to the drawing direction of the pipe, namely water enters from the right end and water exits from the left end.

6. The drawing device of a disc drawing machine according to claim 1, characterized in that: the pressure sensor (301) is electrically connected with the control box (302), and a power supply is arranged in the control box (302).

7. The drawing device of a disc drawing machine according to claim 1, characterized in that: the alarm is characterized in that a sound production device is arranged inside the alarm (303), and a red alarm lamp is installed at the top of the alarm (303).