CN210497693U - Split type giant wire drawing machine - Google Patents

Abstract

The utility model relates to a split type giant wire drawing machine, which belongs to the field of wire drawing machines and comprises a frame, a transmission drawing mechanism and a control system, wherein the three wire drawing water tanks are connected by a connecting mechanism between every two wire drawing water tanks; a group of transmission drawing mechanisms are arranged on the wire drawing water tank in the middle, and peeling mechanisms are arranged on the front sides of the group of transmission drawing mechanisms; be equipped with a set of transmission drawing mechanism on being close to the wire drawing water tank of receiving line one side, this a set of transmission drawing mechanism front side is equipped with draws the diaphragm capsule, and its rear side is equipped with passive pivoted separated time wheel, and this technical scheme utilizes the mode of a plurality of transmission drawing mechanism independent control operations can effectively guarantee the synchronism of a plurality of transmission drawing mechanisms, improves the drawing quality of copper line, and this split type wire drawing water tank simple structure, easily preparation.

Description

Split type giant wire drawing machine

Technical Field

The utility model relates to a wire drawing machine field, more specifically say, relate to a split type giant wire drawing machine.

Background

The traditional water tank wire drawing machine is mostly integral, not only occupies a large area and is difficult to process, but also the whole transmission mechanism is driven by a motor, the synchronization of the drawing process is difficult to control, in addition, the machine is stopped for maintenance immediately as long as the motor is damaged, the production efficiency is seriously influenced, in addition, the traditional transmission mechanism is that a driving motor is connected with a reduction gearbox, an output shaft of the reduction gearbox is in transmission connection with a main transmission shaft through a chain and a chain wheel, the main transmission shaft of the transmission structure is easy to deform in the wire drawing process, and the main transmission shaft deforms to have the following defects, one is that the gear of the speed reducer is easy to damage, and the existing speed reducer is inconvenient to disassemble and; the connection part of the main transmission shaft and the wire drawing water tank is easily damaged by two poles, so that the wire drawing water tank has poor sealing performance, and emulsion is leaked.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved by the utility model

An object of the utility model is to overcome not enough among the prior art, provide a split type giant wire drawing machine, this technical scheme utilizes the mode of a plurality of transmission drawing mechanism independent control operations can effectively guarantee the synchronism of a plurality of transmission drawing mechanisms, improves the drawing quality of copper line, and this split type wire drawing water tank simple structure, easily preparation.

Technical scheme

In order to achieve the above purpose, the utility model provides a technical scheme does:

the utility model discloses a split type giant wire drawing machine, which comprises a frame, a transmission drawing mechanism arranged on the frame and a control system for controlling the transmission drawing mechanism, and also comprises three wire drawing water tanks which are connected by a connecting mechanism between two wire drawing water tanks, and the three wire drawing water tanks are distributed in a straight line shape along the wire drawing direction, wherein, the outer side of the wire drawing water tank close to one side of a wire releasing is provided with a straightening mechanism, and two groups of transmission drawing mechanisms arranged along the wire drawing direction are also obliquely arranged on the straightening mechanism, and the front sides of the two groups of transmission drawing mechanisms are provided with drawing die boxes; a group of transmission drawing mechanisms are arranged on the wire drawing water tank in the middle, and peeling mechanisms are arranged on the front sides of the group of transmission drawing mechanisms; a group of transmission drawing mechanisms are arranged on the wire drawing water tank close to one side of the take-up wire, a drawing die box is arranged on the front side of the group of transmission drawing mechanisms, and a wire distributing wheel which rotates passively is arranged on the rear side of the group of transmission drawing mechanisms.

As the utility model discloses further, transmission drawing mechanism includes speed reducer and final drive shaft, the input of speed reducer links to each other with servo motor's output, and its output links to each other with final drive shaft's one end, final drive shaft's the other end passes the part of the box of passing a bridge and forms the shaft section of passing a bridge, and it stretches out the part formation cone pulley fixed section in the box of passing a bridge, wherein, the shaft section of passing a bridge is equipped with the bearing with the contact department of the box of passing a bridge, the cone pulley fixed section stretches into wire drawing water tank and still is equipped with the cone pulley on it, and wherein, for drawing the wheel at the cone pulley in the wire drawing water tank near unwrapping wire one side and in the middle of being located, the cone pulley in the wire drawing water tank near receipts line.

As a further aspect of the utility model, the gap bridge box, the speed reducer and the wire drawing water tank are all fixed in the frame.

As the utility model discloses further, final drive shaft keeps away from the one end of cone pulley canned paragraph for the spline shaft section, the spline groove cooperation on the one end of spline shaft section and the speed reducer, and the side of spline shaft section meshes with the gear in the speed reducer mutually.

As the utility model discloses further, the upper portion of the box of passing a bridge still is equipped with the lubricated return circuit of several types of lubrication oil pipe with the bearing intercommunication, wherein, lubrication oil pipe's both ends communicate with the bearing lubrication return circuit at bridge shaft section both ends respectively, lubrication oil pipe's middle part and oil inlet intercommunication, the cavity intercommunication of bearing lubrication return circuit and the box of passing a bridge, the bottom of the box of passing a bridge is equipped with the oil return opening.

As a further aspect of the present invention, the straightening mechanism includes a pre-straightening portion and a straightening portion disposed behind the pre-straightening portion, wherein the pre-straightening portion includes a base i, the base i is provided with two horizontal rolls parallel to a horizontal plane and two vertical rolls perpendicular to the horizontal plane, and the two horizontal rolls and the two vertical rolls are arranged in a cross shape;

the straightening part comprises a base II, a row of lower rollers which are arranged at equal intervals and a row of upper rollers which are arranged at equal intervals are arranged on the base II along the wire drawing direction, the row of upper rollers are arranged above the lower rollers in a staggered mode, adjusting screws are arranged on the upper rollers, and a plurality of sliding grooves which correspond to the upper rollers respectively and are used for sliding the upper rollers are further arranged on the base II.

As the utility model discloses further, on the peeling mechanism and along being equipped with location diaphragm capsule I in proper order in the wire drawing direction, the diaphragm capsule of skinning, location diaphragm capsule II, just location diaphragm capsule II is close to receipts line one side and sets up.

As the utility model discloses further, coupling mechanism includes side pipe and bolt, side pipe sets up between double-phase adjacent wire drawing water tank and its both ends all stretch out in the medial surface formation turn-ups of wire drawing water tank, just the turn-ups is on a parallel with wire drawing water tank medial surface, be equipped with the isometric dog of side length with square pipe on the wire drawing water tank outside terminal surface of turn-ups corresponding position, be equipped with a plurality of and equidistant screw counter bores of arranging on the dog, the one end of above-mentioned bolt screw rod passes turn-ups, wire drawing water tank and dog in proper order and links firmly, be equipped with first sealing washer between dog and the wire drawing water tank, be equipped with the second sealing washer between dog and the square.

Advantageous effects

Adopt the technical scheme provided by the utility model, compare with prior art, have following effect of showing:

(1) the utility model discloses a split type giant wire drawing machine, wherein, through setting up the combined, split type wire drawing water tank, not only the area is little, and easy processing preparation, in addition through control system individual control each servo motor, not only can in good time adjust the speed of each transmission drawing mechanism to satisfy the synchronism of all transmission drawing mechanisms, thereby guarantee the synchronism that the copper line was drawn, and this control system program control is changed the operation, and is more accurate; in addition, the emulsion is used for lubrication and cooling in the drawing process of the copper wire, so that the pollution of a workshop can be reduced, the workshop is clean, the slip coefficient of the copper wire in the drawing process can be reduced, and the wire outlet rate of the copper wire is up to 140 m/min.

(2) The utility model discloses a split type giant wire drawing machine, wherein, set up a gap bridge box body between speed reducer and wire drawing water tank, so that the main drive shaft has more gap bridge shaft sections, and the contact department of gap bridge shaft section and gap bridge box body is equipped with the bearing, this arrangement has improved the intensity of the main drive shaft effectively, has reduced the deformation degree, the deformation frequency of main drive shaft in the wire drawing process, and then has reduced the fault frequency of speed reducer, has guaranteed production efficiency; meanwhile, the damage rate of the joint of the main transmission shaft and the wire drawing water tank is reduced, the leakage rate frequency of the emulsion is further reduced, resources are saved, the cleanness of a workshop is guaranteed, and the structure is simple and easy to realize.

(3) The utility model discloses a split type huge wire drawing machine, wherein, spline groove cooperation through on the spline shaft section of final drive shaft and the speed reducer realizes being connected of speed reducer and final drive shaft, and this setting not only easily realizes the erection joint of speed reducer and final drive shaft, and when the speed reducer breaks down, can take the speed reducer out on direct follow final drive shaft to make final drive shaft and spline groove break away from the dismantlement that realizes the speed reducer, so that the speed reducer dismantlement, easy maintenance.

Drawings

FIG. 1 is a front view of a split type giant drawing machine of the present invention;

FIG. 2 is a top view of a split giant wire drawing machine of the present invention;

FIG. 3 is a schematic structural view of the middle transmission drawing mechanism of the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 3;

FIG. 5 is a schematic structural view of a straightening mechanism of the present invention;

fig. 6 is a schematic structural view of the peeling mechanism of the present invention;

fig. 7 is a schematic structural diagram of the middle connection mechanism of the present invention.

The reference numerals in the schematic drawings illustrate:

01. a frame; 02. drawing a wire in a water tank;

03. a transmission drawing mechanism; 031. a servo motor; 032. a speed reducer; 0331. a splined shaft section; 0332. a gap bridge shaft section; 0333. a cone pulley fixing section; 034. a cone pulley; 0341. drawing the wheel; 0342. a constant speed wheel; 0343. a wire distributing wheel; 035. a gap bridge box body; 036. a lubricating oil pipe;

04. a straightening mechanism; 041. a base I; 042. a base II; 043. a transverse roller; 044. vertical rolls; 045. a lower roll; 046. upper roll; 047. adjusting the screw rod; 048. a chute;

05. a peeling mechanism; 051. positioning a mold box I; 052. peeling the mould box; 053. positioning a mold box II;

06. drawing the die box;

07. a connecting mechanism; 071. a square tube; 0711. flanging; 072. a stopper; 073. a first seal ring; 074. a second seal ring; 075. and (4) bolts.

Detailed Description

For a further understanding of the present invention, reference will now be made in detail to the present invention, examples of which are illustrated in the accompanying drawings.

Example 1

As shown in fig. 1 and fig. 2, the split giant wire drawing machine of this embodiment includes a frame 01, a transmission drawing mechanism 03 disposed on the frame 01, and a control system for controlling the transmission drawing mechanism, and further includes three wire drawing water tanks 02 connected by a connection mechanism 07 between two wire drawing water tanks, and the three wire drawing water tanks 02 are arranged in a line along a wire drawing direction.

As shown in fig. 7, the connecting mechanism 07 of this embodiment includes a square tube 071 and a bolt 075, the square tube 071 is disposed between two adjacent wire-drawing water tanks 02, and both ends of the square tube 071 extend out of the inner end surface of the wire-drawing water tank 02 to form a flange 0711, and the flange 0711 is parallel to the inner end surface of the wire-drawing water tank 02, a stopper 072 having a length equal to that of the square tube 071 is disposed on the outer end surface of the wire-drawing water tank 02 at a position corresponding to the flange 0711, a plurality of threaded counter bores are disposed on the stopper 072, one end of a screw rod of the bolt 075 sequentially passes through the flange 0711, the wire-drawing water tank 02 is fixedly connected to the stopper 072, a first sealing ring 073 is disposed between the stopper 072 and the wire-drawing water tank 02, a second sealing ring 074 is disposed between the stopper 072 and the square tube 071, wherein the flanges 0711 at both ends of the square tube 071 abut against the inner end surface of the wire, and be equipped with first sealing washer 073 between dog 072 and wire drawing water tank 02, be equipped with second sealing washer 074 between dog 072 and square pipe 071, not only can improve the joint strength between the adjacent wire drawing water tank 02 through above-mentioned setting, can improve the leakproofness of junction moreover, avoid the emulsion to leak.

The outer side of the wire drawing water tank 02 close to one side of a wire drawing is provided with a straightening mechanism 04, two groups of transmission drawing mechanisms 03 arranged along the wire drawing direction are also obliquely arranged on the straightening mechanism 04, the front sides of the two groups of transmission drawing mechanisms 03 are provided with drawing die boxes 06, and drawing dies are arranged in the drawing die boxes 06; a group of transmission drawing mechanisms 03 is arranged on the wire drawing water tank 02 close to the wire winding side, a drawing die box 06 is arranged on the front side of the group of transmission drawing mechanisms 03, and a wire distributing wheel 0343 which rotates passively is arranged on the rear side of the group of transmission drawing mechanisms 03.

A group of transmission drawing mechanisms 03 is arranged on the middle wire drawing water tank 02, a peeling mechanism 05 is arranged on the front side of the group of transmission drawing mechanisms 03, specifically, a positioning die box i 051, a peeling die box 052 and a positioning die box ii 053 are sequentially arranged on the peeling mechanism 05 in the embodiment along the wire drawing direction, and the positioning die box ii 053 is arranged close to the wire winding side (as shown in fig. 6), it should be noted that the dies in the positioning die box i 051 and the positioning die box ii 053 can not only realize the drawing of the copper wire, but also more importantly, the copper wire between the positioning die box i 051 and the positioning die box ii 053 can be positioned, so that the dies in the peeling die box 052 can more accurately and more thoroughly peel the copper wire, and it should be further noted that the peeling mechanism 05 is arranged in the middle wire drawing water tank 02 in the embodiment, that the peeling process is performed after the copper rod is drawn for three times, the mode can not only avoid the condition that the surface of the copper wire is damaged due to peeling in the later pass, but also effectively solve the problem of high rejection rate due to peeling in the previous pass.

As shown in fig. 3, the transmission drawing mechanism 03 of this embodiment includes a speed reducer 032 and a main transmission shaft, an input end of the speed reducer 032 is connected to an output end of a servo motor 031, an output end of the speed reducer 032 is connected to one end of the main transmission shaft, a portion of the other end of the main transmission shaft passing through a bridge box 035 forms a bridge shaft segment 0332, a portion of the main transmission shaft extending out of the bridge box 035 forms a cone pulley fixing segment 0333, a contact portion between the bridge shaft segment 0332 and the bridge box 035 is provided with a bearing, the cone pulley fixing segment 0333 extends into a wire drawing water tank 02 and is further provided with a cone pulley 034, wherein the cone pulley 034 in the wire drawing water tank 02 near a wire paying-off side and in the middle is a drawing wheel 0341, the cone pulley 0342 in the wire drawing water tank 02 near a wire winding side is a constant speed wheel 0342, and the bridge box 035, the speed reducer 032 and the wire drawing water tank.

In the embodiment, the gap bridge box 035 is arranged between the speed reducer 032 and the wire drawing water tank 02, so that the gap bridge shaft segment 0332 is added on the main transmission shaft, and the contact part of the gap bridge shaft segment 0332 and the gap bridge box 035 is provided with the bearing, so that the strength of the main transmission shaft is effectively improved, the deformation degree and the deformation frequency of the main transmission shaft in the wire drawing process are reduced, the fault frequency of the speed reducer 032 is further reduced, and the production efficiency is ensured; meanwhile, the damage rate of the joint of the main transmission shaft and the wire drawing water tank 02 is reduced, the leakage rate frequency of the emulsion is further reduced, resources are saved, the cleanness of a workshop is guaranteed, and the device is simple and easy to realize.

Specifically, the end of the main transmission shaft far from the pulley fixing segment 0333 in this embodiment is a spline shaft segment 0331, one end of the spline shaft segment 0331 is matched with a spline groove on the speed reducer 032, and the side surface of the spline shaft segment 0331 is engaged with a gear in the speed reducer 032, in this embodiment, the spline shaft segment 0331 of the main transmission shaft is matched with the spline groove on the speed reducer 032 to realize the connection between the speed reducer 032 and the main transmission shaft, which is not only easy to realize the installation and connection between the speed reducer 032 and the main transmission shaft, but also when the speed reducer 032 fails, the speed reducer 032 can be directly drawn out from the main transmission shaft, so that the main transmission shaft and the spline groove are separated to realize the disassembly of the speed reducer 032, so that the speed reducer is convenient to disassemble and maintain, it is required to be explained that when one speed reducer 032 is damaged, it can be drawn out from the corresponding main transmission shaft for maintenance, and other transmission drawing, thereby not affecting the production efficiency.

In addition, in this embodiment, it is also to be explained that: the upper portion of the bridge box 035 is further provided with a zigzag lubricating oil pipe 036 communicated with the bearing lubricating loop, wherein two ends of the lubricating oil pipe 036 are respectively communicated with the bearing lubricating loops at two ends of the bridge shaft segment 0332, the middle portion of the lubricating oil pipe 036 is communicated with the oil inlet, the bearing lubricating loops are communicated with the cavity of the bridge box 035, and the bottom of the bridge box 035 is provided with an oil return opening.

In the embodiment, the bearing lubricating loop is arranged at the bearing position where the intermediate shaft segment 0332 is in contact with the intermediate box 035, and the bearing can be lubricated constantly through the bearing lubricating loop, so that the service life of the bearing is prolonged, the working stability of the main transmission shaft is further improved, and the friction in the transmission process is reduced; in addition, a lubricating oil pipe 036 in a shape like a Chinese character 'ji' is arranged in the bridge passing box 035, bearings at two ends of the bridge passing shaft segment 0332 can be lubricated under the action of only one oil inlet (as shown in fig. 4), the structural design is reasonable, then the lubricating oil pipe 036 in a shape like a Chinese character 'ji' is arranged at the upper part of the bridge passing box 035, and an oil return opening is formed in the bottom of the bridge passing box 035, so that the lubricating oil can automatically pass through a bearing lubricating loop from top to bottom to realize the lubrication of the bearings, the lubricating effect is good, and the lubricating oil is recycled through the oil return opening in the bottom of the bridge passing box 035, so that the lubricating oil.

As shown in fig. 5, the straightening mechanism 04 of the present embodiment includes a pre-straightening portion and a straightening portion disposed at the rear side of the pre-straightening portion, wherein the pre-straightening portion includes a base i 041, two horizontal rollers 043 parallel to the horizontal plane and two vertical rollers 044 perpendicular to the horizontal plane are disposed on the base i 041, and the two horizontal rollers 043 and the two vertical rollers 044 are arranged in a cross shape; the straightening part comprises a base II 042, a row of lower rollers 045 arranged at equal intervals and a row of upper rollers 046 arranged at equal intervals are arranged on the base II 042 along the wire drawing direction, the row of upper rollers 046 are arranged above the lower rollers 045 in a staggered manner, adjusting screws 047 capable of adjusting the roller gaps between the upper rollers 046 and the lower rollers 045 are arranged on the upper rollers 046, and a plurality of sliding grooves 048 which respectively correspond to the upper rollers 046 and allow the upper rollers 046 to slide out are further arranged on the base II 042, so that the upper rollers 046 can be maintained and installed.

In the embodiment, the combined and split wire drawing water tank 02 is arranged, so that the occupied area is small, the processing and the manufacturing are easy, in addition, the speed of each transmission drawing mechanism 03 can be timely adjusted by independently controlling each servo motor 031 through the control system, the synchronism of all the transmission drawing mechanisms 03 is met, the synchronism of the drawing of the copper wires is ensured, and the control system is easier to operate and more accurate in program control; in addition, by utilizing the emulsion for lubrication and cooling in the drawing process of the copper wire, the workshop pollution caused by grease lubrication can be reduced, the workshop is clean, the slip coefficient of the copper wire in the drawing process can be reduced, and the wire outlet rate of the copper wire is up to 140 m/min.

The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.

Claims (8)

1. The utility model provides a split type giant wire drawing machine, includes frame (01), sets up the control system of drive drawing mechanism and control drive drawing mechanism (03) on frame (01), its characterized in that: the wire drawing machine further comprises three wire drawing water tanks (02) which are connected in pairs through connecting mechanisms (07), the three wire drawing water tanks (02) are distributed in a straight line shape along the wire drawing direction, wherein a straightening mechanism (04) is arranged on the outer side of the wire drawing water tank (02) close to one side of a wire releasing, two groups of transmission drawing mechanisms (03) which are arranged along the wire drawing direction are obliquely arranged on the wire drawing water tank, and drawing die boxes (06) are arranged on the front sides of the two groups of transmission drawing mechanisms (03); a group of transmission drawing mechanisms (03) are arranged on the drawing water tank (02) in the middle, and peeling mechanisms (05) are arranged on the front sides of the group of transmission drawing mechanisms (03); a group of transmission drawing mechanisms (03) are arranged on a wire drawing water tank (02) close to one side of a take-up wire, a drawing die box (06) is arranged on the front side of the group of transmission drawing mechanisms (03), and a wire distributing wheel (0343) which rotates passively is arranged on the rear side of the group of transmission drawing mechanisms.

2. The split giant wire drawing machine of claim 1, wherein: the transmission drawing mechanism (03) comprises a speed reducer (032) and a main transmission shaft, wherein the input end of the speed reducer (032) is connected with the output end of a servo motor (031), the output end of the speed reducer is connected with one end of the main transmission shaft, the other end of the main transmission shaft penetrates through a part of a gap bridge box body (035) to form a gap bridge shaft section (0332), the other end of the main transmission shaft stretches out of the gap bridge box body (035) to form a cone pulley fixing section (0333), a bearing is arranged at the contact position of the gap bridge shaft section (0332) and the gap bridge box body (035), the cone pulley fixing section (0333) stretches into a wire drawing water tank (02) and is further provided with a cone pulley (034), the cone pulley (0341) in the wire drawing water tank (02) close to one side of a paying-off line and in the middle of the wire drawing water tank (02) is a constant speed pulley (0342).

3. The split giant wire drawing machine of claim 2, wherein: the gap bridge box body (035), the speed reducer (032) and the wire drawing water tank (02) are all fixed on the frame (01).

4. The split giant wire drawing machine of claim 2, wherein: the one end that the cone pulley fixed section (0333) was kept away from to final drive shaft is spline shaft segment (0331), the spline groove cooperation on one end of spline shaft segment (0331) and speed reducer (032), and the gear in the side and the speed reducer (032) of spline shaft segment (0331) meshes mutually.

5. The split giant wire drawing machine of claim 2, wherein: the upper portion of the bridge box body (035) is further provided with a reversed V-shaped lubricating oil pipe (036) communicated with a bearing lubricating loop, wherein two ends of the lubricating oil pipe (036) are respectively communicated with the bearing lubricating loops at two ends of the bridge shaft section (0332), the middle portion of the lubricating oil pipe (036) is communicated with an oil inlet, the bearing lubricating loop is communicated with a cavity of the bridge box body (035), and an oil return opening is formed in the bottom of the bridge box body (035).

6. The split giant wire drawing machine of claim 1, wherein: the straightening mechanism (04) comprises a pre-straightening part and a straightening part arranged on the rear side of the pre-straightening part, wherein the pre-straightening part comprises a base I (041), two transverse rollers (043) parallel to the horizontal plane and two vertical rollers (044) vertical to the horizontal plane are arranged on the base I (041), and the two transverse rollers (043) and the two vertical rollers (044) are arranged in a cross shape;

straightening partly including base II (042), be equipped with lower roll (045) that one row of equidistant arrangement and the top of roller (046) and should arrange roller (046) crisscross setting in lower roll (045) on base II (042) and along being equipped with wire drawing direction, wherein, be equipped with adjusting screw (047) on last roll (046), still be equipped with a plurality ofly on base II (042) and correspond to a plurality of spout (048) that just supply roller (046) roll-off of going up of roller (046) respectively.

7. The split giant wire drawing machine of claim 1, wherein: the wire drawing mechanism is characterized in that the stripping mechanism (05) is provided with a positioning die box I (051), a stripping die box (052) and a positioning die box II (053) in sequence along the wire drawing direction, and the positioning die box II (053) is close to one side of the take-up wire.

8. The split giant wire drawing machine of claim 1, wherein: connecting mechanism (07) are including square pipe (071) and bolt (075), square pipe (071) sets up between two adjacent wire drawing water tanks (02) and its both ends all stretch out in the medial surface of wire drawing water tank (02) and form turn-ups (0711), just turn-ups (0711) are on a parallel with wire drawing water tank (02) medial surface, be equipped with on the wire drawing water tank (02) lateral surface of turn-ups (0711) corresponding position and manage (071) isometric dog (072) of length of side, be equipped with a plurality of and equidistant arrangement's screw thread counter bore on dog (072), turn-ups (0711) are passed in proper order to the one end of above-mentioned bolt (075) screw rod, wire drawing water tank (02) links firmly with dog (072), be equipped with first sealing washer (073) between dog (072) and wire drawing water tank (02), be equipped with second sealing washer (074) between dog (072) and square pipe (071).

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