CN212443002U

CN212443002U - Automatic equipment for processing diameter reducing gauge circle at end part of spiral rib steel wire

Info

Publication number: CN212443002U
Application number: CN202023119117.1U
Authority: CN
Inventors: 赵海凤; 张松琦; 张力峰; 谭振宇; 马学辉; 隗永旺; 王全良; 李志伟; 左志辉; 凡艳丽; 刘占伟
Original assignee: Hebei Yichen Industrial Group Corp ltd; BEIJING SHOUGANG IRON BRANCH RAIL TECHNOLOGY CO LTD
Current assignee: Hebei Yichen Industrial Group Corp ltd; BEIJING SHOUGANG IRON BRANCH RAIL TECHNOLOGY CO LTD
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-02-02
Anticipated expiration: 2030-12-23

Abstract

The utility model discloses an automatic device for processing a reducing gauge circle of a spiral ribbed steel wire end part, wherein a clamping mechanism and a pushing mechanism are respectively arranged at two ends of a frame, the pushing mechanism is provided with a die holder facing one end of the clamping mechanism, the pushing mechanism pushes the die holder to be close to or far away from the clamping mechanism, and a die sleeve is arranged on the die holder; the left end and the right end of the upper clamping plate and the lower clamping plate are respectively provided with a bracket plate fixedly connected to the rack, the lower clamping plate can be arranged between the two bracket plates in a left-right adjusting manner, the bracket plates are provided with a driving mechanism, and the driving mechanism is connected to the upper clamping plate so as to push the upper clamping plate to be positioned above the lower clamping plate to move vertically; the lower surface of the upper clamping plate is provided with an upper clamping groove, the upper surface of the lower clamping plate is provided with a lower clamping groove, the upper clamping groove and the lower clamping groove are matched to form a clamping hole, and the clamping hole is coaxial with the diameter reducing die hole in the die sleeve. The automatic equipment is used for reducing the diameter of the spiral rib steel wire end part for the CRTS III type track slab.

Description

Automatic equipment for processing diameter reducing gauge circle at end part of spiral rib steel wire

Technical Field

The utility model relates to an automation equipment that is used for spiral rib steel wire tip reducing gauge circle to process.

Background

The conventional prestressed spiral rib steel wire is a finished product obtained by carrying out multi-pass drawing and stabilizing treatment on a hot rolled wire rod, a product leaving a factory is in a coiled state, and when the steel wire is applied to a concrete product, a section of the steel wire is cut from a finished coil stock and is directly used without machining treatment. The special prestressed tendon in the CRTS III type track slab is a phi 10.00mm spiral rib steel wire which is a fixed-length steel wire with threads rolled at two end parts, and the steel wire is a finished product which needs to be subjected to the processing procedures of sizing, chamfering, reducing and rolling and can be used in the CRTS III type track slab.

The phi 10.00mm spiral rib steel wire after multi-pass drawing and stabilizing treatment is firstly cut to length according to a specified length, and then the two end parts of the steel wire are chamfered. The specification and the precision of the end thread are M11 x 1.5-6g, the diameter of a workpiece is required to be equal to the pitch diameter of the thread when the external thread is rolled, so that the diameter of the steel wire is in the range of 9.862-9.994mm when the steel wire is rolled, but the spiral rib steel wire is a steel wire surface which is provided with continuous and regular spiral ribs along the length direction, the surface is not a smooth circle, the base circle size of the spiral rib steel wire with the diameter of phi 10.00mm is 9.75 +/-0.05 mm, and the outer contour size is 10.60 +/-0.10 mm, so that the diameter reduction and circle sizing processing treatment needs to be carried out on the end surface of the steel wire, and the diameter of the surface of the steel wire can reach the requirement of 9.862-9.994 mm.

The end of the steel wire can not be turned, otherwise the performance of the thread can not meet the requirement of static load anchoring performance. Therefore, the purpose of reducing and rounding the ends of the steel wires can be achieved only by metal pressing in the diameter direction, and no mature reducing mill equipment is available in the market at present for batch end processing of the steel wires.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an automation equipment that is used for spiral rib steel wire tip reducing gauge circle to process, this automation equipment can be used to spiral rib steel wire tip reducing gauge circle for CRTS III type track board for spiral rib steel wire tip can satisfy the user demand.

In order to achieve the above object, the utility model provides an automation equipment that is used for spiral rib steel wire tip reducing gauge circle to process, include: the mould pushing mechanism pushes the mould base to be close to or far away from the clamping mechanism, and a mould sleeve is arranged on the mould base; wherein the clamping mechanism comprises: the left end and the right end of the upper clamping plate and the lower clamping plate are respectively provided with a bracket plate fixedly connected to the rack, the lower clamping plate can be arranged between the two bracket plates in a left-right and up-down adjusting mode, the bracket plates are provided with a driving mechanism, and the driving mechanism is in contact with the upper clamping plate to push the upper clamping plate to be positioned above the lower clamping plate to move vertically; the lower surface of the upper clamping plate is provided with an upper clamping groove, the upper surface of the lower clamping plate is provided with a lower clamping groove, the upper clamping groove and the lower clamping groove are matched to form a clamping hole, and the clamping hole is coaxial with the reducing die hole in the die sleeve.

Preferably, the pushing mechanism comprises: the die holder is characterized by comprising a first hydraulic cylinder installed on the frame, a hydraulic shaft of the first hydraulic cylinder is connected with a connecting frame through a first pin shaft, and one end, back to the hydraulic shaft, of the connecting frame is fixedly connected with the die holder.

Preferably, the die holder comprises: the first baffle and the second baffle are arranged in parallel front and back; the die sleeve is arranged in a positioning groove corresponding to the first baffle, and a reducing die is placed in the die sleeve; the locating sleeve penetrates through the second baffle, and a connecting sleeve is arranged between the die sleeve and the locating sleeve.

Preferably, a plurality of threaded telescopic rods with adjustable lengths are further arranged between the first baffle and the second baffle; the rack is further provided with a guide rod, and the first baffle and the second baffle are provided with sliding holes which can be located on the guide rod in a sliding mode.

Preferably, the rack comprises: the frame body, be provided with two crossbeams in the frame body, the guide bar sets up in two between the crossbeam.

Preferably, a front support plate is arranged at one end, close to the die sleeve, of the machine frame, and a feeding hole is formed in the front support plate; a rear supporting plate is arranged at one end, close to the first hydraulic cylinder, of the machine frame, a hydraulic cylinder seat is arranged on the rear supporting plate, and the first hydraulic cylinder is mounted on the hydraulic cylinder seat through a fourth pin shaft; the front supporting plate is connected with the rear supporting plate through two connecting rods.

Preferably, the drive mechanism comprises: one end of the second hydraulic cylinder is connected to the two support plates through a second pin shaft, and the other end of the second hydraulic cylinder is hinged with an eccentric wheel; the lower part of the eccentric wheel is connected to the two bracket plates through a third pin shaft, the lower end of the eccentric wheel is pressed against the upper clamping plate, and a plurality of reset springs are arranged between the upper clamping plate and the lower clamping plate.

Preferably, positioning adjusting screws penetrate through the positions, corresponding to the lower clamping plate horizontally, of the side surfaces of the two support plates, and the positioning adjusting screws are used for fixing and adjusting the left and right positions of the lower clamping plate; an adjusting thin iron sheet can be arranged between the upper clamping plate and the eccentric wheel, and an adjusting thin iron sheet can be arranged between the lower clamping plate and a lower supporting cross beam which is arranged below the lower clamping plate and fixedly connected to the rack so as to adjust the upper position and the lower position of the clamping hole.

Preferably, one end of each of the two support plates close to the pushing mechanism is fixedly connected through a connecting block, the connecting block is connected to the upper end of a blocking piece through a bolt, and the lower end of the blocking piece is connected with the cross beam through a bolt; the connecting frame towards the one end of position sleeve is formed with the through-hole, the separation blade towards one side rigid coupling of position sleeve has can stretch into in order the ejecting mechanism in through-hole and the mould hole.

Preferably, the ejection mechanism comprises: the thimble, the thimble towards the one end threaded connection of separation blade has the direction handle, the direction handle towards the one end threaded connection of separation blade has the regulation handle, the regulation handle dorsad the one end of direction handle is fixed in through fixation nut on the separation blade.

According to the technical scheme, the utility model discloses in use clamping mechanism to press from both sides tight steel wire, adopt push mechanism propelling movement die holder to drive the tip removal of reducing mould towards the steel wire again, be less than the mould pore pair steel wire of steel wire through the diameter and reduce the footpath gauge circle.

Other features and advantages of the present invention will be described in detail in the detailed description which follows.

Drawings

The accompanying drawings, which 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 principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic overall structure of a preferred embodiment of an automated apparatus;

FIG. 2 is a schematic diagram of a portion of a preferred embodiment of an automated apparatus;

FIG. 3 is a partial schematic diagram of a preferred embodiment of an automated apparatus;

FIG. 4 is a cross-sectional view of a preferred embodiment of an automated apparatus.

Description of the reference numerals

1 frame body 2 second baffle

3 guide rod 4 third pin shaft

5 front support plate 6 feed hole

7 upper clamping plate 8 eccentric wheel

9 second hydraulic cylinder 10 support plate

11 second pin 12 connecting frame

13 first hydraulic cylinder 14 rear support plate

15 hydraulic cylinder base 16 connecting rod

17 lower clamping plate 18 return spring

19 lower clamping groove 20 baffle plate

21 mould sleeve 22 locating sleeve

23 connecting sleeve 24 thread telescopic rod

25 beam 26 first pin

27 fourth pin shaft of needle 28

29 first baffle 30 connecting block

31 guide handle 32 thimble

33 iron plate 34 lower supporting beam

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

In the present invention, unless otherwise specified, the terms "upper, lower, left, right, front, rear, inner, and outer" and the like included in the terms refer to the orientation of the terms in the normal use state or the common names understood by those skilled in the art, and should not be construed as limiting the terms.

Referring to fig. 1-4, an automated apparatus for reducing the end rounding of spiral ribbed steel wire comprises: the mould pushing device comprises a rack, wherein a clamping mechanism and a pushing mechanism are respectively arranged at two ends of the rack, a mould base is arranged at one end, facing the clamping mechanism, of the pushing mechanism, the pushing mechanism pushes the mould base to be close to or far away from the clamping mechanism, and a mould sleeve 21 is arranged on the mould base; wherein the clamping mechanism comprises: the left end and the right end of the upper clamping plate 7 and the lower clamping plate 17 are respectively provided with a support plate 10 fixedly connected to the rack, the lower clamping plate 17 can be installed between the two support plates 10 in a left-right and up-down adjusting mode, a driving mechanism is installed on each support plate 10, and the driving mechanism is in contact with the upper clamping plate 7 to push the upper clamping plate 7 to be located above the lower clamping plate 17 to move vertically; an upper clamping groove is formed in the lower surface of the upper clamping plate 7, a lower clamping groove 19 is formed in the upper surface of the lower clamping plate 17, the upper clamping groove and the lower clamping groove 19 are matched to form a clamping hole, and the clamping hole is coaxial with a reducing die hole in the die sleeve 21.

Through the implementation of the technical scheme, the clamping mechanism is used for clamping the steel wire, the pushing mechanism is used for pushing the die holder to drive the die sleeve 21 to move towards the end part of the steel wire, and the steel wire cannot move in the clamping hole formed by the matching of the upper clamping groove and the lower clamping groove 19, so that the reducing die can be smoothly sleeved on the end part of the reducing die and smoothly pulled out of the clamping hole, and the process of reducing the diameter and rounding is completed. The length of the steel wire end reducing can be accurately controlled by adjusting the position of the proximity switch.

In this embodiment, in order to further complete the pushing work of the die case 21, it is preferable that the pushing mechanism includes: the die holder is characterized in that the die holder comprises a first hydraulic cylinder 13 mounted on the frame, a hydraulic shaft of the first hydraulic cylinder 13 is connected with a connecting frame 12 through a first pin shaft 26, and one end, back to the hydraulic shaft, of the connecting frame 12 is fixedly connected with the die holder.

In this embodiment, in order to further provide a die holder for better installing the die case 21, preferably, the die holder includes: the first baffle plate 29 and the second baffle plate 2 are arranged in parallel in the front and back; the die sleeve 21 is arranged in a positioning groove corresponding to the first baffle 29, and a reducing die is placed in the die sleeve 21; the positioning sleeve 22 is arranged on the second baffle 2 in a penetrating manner, and a connecting sleeve 23 is arranged between the mold sleeve 21 and the positioning sleeve 22. One ends of the mold sleeve 21 and the positioning sleeve 22 facing each other form an accommodating groove matched with the connecting sleeve 23, the mold sleeve 21 and the positioning sleeve 22 are sleeve bodies which are communicated from front to back, a large groove for placing a reducing mold is arranged in the mold sleeve 21, and a through hole slightly larger than the size of the outer contour of the steel wire is arranged in the center of the mold sleeve.

Of course, in order to facilitate the installation of the connecting sleeve 23 in place, a plurality of threaded telescopic rods 24 with adjustable length are preferably arranged between the first baffle plate 29 and the second baffle plate 2. The distance between the die sleeve 21 and the positioning sleeve 22 is adjusted through the threaded telescopic rod 24, the connecting sleeve 23 is placed in the die sleeve 21 and the positioning sleeve 22, the length of the threaded telescopic rod 24 is reduced through adjustment, and two ends of the connecting sleeve 23 are stably extruded between the die sleeve 21 and the positioning sleeve 22. In addition, in order to make the die holder move more stably, preferably, the frame is further provided with a guide rod 3, and the first baffle 29 and the second baffle 2 are provided with sliding holes capable of sliding on the guide rod 3.

In this embodiment, to further provide a rack structure, preferably, the rack includes: the frame body 1, be provided with two crossbeams 25 in the frame body 1, guide bar 3 sets up in two between the crossbeam 25. In order to fix the supporting plate 10 firmly, an iron plate 33 is fixed to the frame 1 at a position right below the supporting plate 10, the iron plate 33 is parallel to the cross beam 25, and the supporting plate 10 is fixed to the cross beam 25 and the iron plate 33 near the front supporting plate 5.

In this embodiment, preferably, a front support plate 5 is arranged at one end of the frame close to the die sleeve 21, and a feed hole 6 is formed on the front support plate 5; a rear support plate 14 is arranged at one end, close to the first hydraulic cylinder 13, of the machine frame, a hydraulic cylinder seat 15 is arranged on the rear support plate 14, and the first hydraulic cylinder 13 is mounted on the hydraulic cylinder seat 15 through a fourth pin shaft 28; the front support plate 5 and the rear support plate 14 are connected by two connecting rods 16. The feed holes 6 have a guiding effect on the wires and at the same time the stability is increased by connecting the front support plate 5 to the rear support plate 14 by means of two connecting rods 16. Of course, the two ends of the tie rod 16 may be externally threaded, and nuts are used in cooperation to clamp and position the two ends of the tie rod 16 on the rear support plate 14 and the front support plate 5, respectively.

In this embodiment, to further provide a drive mechanism, preferably, the drive mechanism includes: one end of the second hydraulic cylinder 9 is connected to the two support plates 10 through a second pin shaft 11, and the other end of the second hydraulic cylinder 9 is hinged with an eccentric wheel 8; the lower part of the eccentric wheel 8 is connected to the two bracket plates 10 through a third pin shaft 4, the lower end of the eccentric wheel is pressed on the upper clamping plate 7, and a plurality of return springs 18 are arranged between the upper clamping plate 7 and the lower clamping plate 17. The shaft body of the second hydraulic cylinder 9 extends and shortens to drive the eccentric wheel 8 to swing, after the two ends of the eccentric wheel 8 are pressed on the upper clamping plate 7, the upper clamping plate 7 is pressed down to be matched with the lower clamping plate 17 to compress the steel wire, after the middle part of the eccentric wheel 8 is pressed on the upper clamping plate 7, the stroke of pressing down on the upper clamping plate 7 is reduced, the steel wire is in a non-compression state under the action of the reset spring 18, and feeding and material taking operations can be carried out.

In this embodiment, in order to further realize the up-down and left-right adjustment of the clamping position, it is preferable that positioning adjustment screws are penetratingly provided at positions of the side surfaces of the two bracket plates 10 corresponding to the lower clamping plate 17 in a horizontal direction, and the positioning adjustment screws are used for fixing and adjusting the left-right position of the lower clamping plate 17; an adjustable thin iron sheet can be arranged between the upper clamping plate 7 and the eccentric wheel 8, and an adjustable thin iron sheet can be arranged between the lower clamping plate 17 and a lower supporting cross beam 34 which is arranged below the lower clamping plate and fixedly connected to the frame, so that the upper position and the lower position of a clamping hole can be adjusted. The left and right horizontal positions of the lower clamping plate 17 can be adjusted through rotation of the positioning adjusting screws arranged on the left and right sides, namely left and right adjustment of the clamping position is realized, the height of the clamping position can be changed by adding adjusting sheets with different thicknesses or quantities, and up and down adjustment of the clamping position is realized.

In this embodiment, in order to prevent the steel wire from being stuck in the die hole and not being drawn out naturally, preferably, one end of each of the two support plates 10 close to the pushing mechanism is fixedly connected through a connecting block 30, the connecting block 30 is connected to the upper end of a blocking piece 20 through a bolt, and the lower end of the blocking piece 20 is connected to the cross beam 25 through a bolt; a through hole is formed at one end of the connecting frame 12 facing the positioning sleeve 22, and an ejection mechanism 27 capable of sequentially extending into the through hole and the die hole is fixedly connected to one side of the baffle plate 20 facing the positioning sleeve 22. When the wire is jammed, the wire can be ejected by the ejector mechanism 27.

To further provide an ejection mechanism, preferably, the ejection mechanism includes: the thimble 32, the thimble 32 towards one end threaded connection of separation blade 20 has a direction handle 31, direction handle 31 towards one end threaded connection of separation blade 20 has an adjustment handle 33, adjustment handle 33 dorsad the one end of direction handle 31 is fixed in through fixation nut on the separation blade 20. If the clamping device of steel wire became invalid, the steel wire card was in the reducing mould, and during pusher withdraws, the reducing mould took the steel wire to withdraw, and after the steel wire tip contacted with thimble 32 tip, the reducing mould continued to withdraw, but the steel wire no longer removed to push out the steel wire mould.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.

In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.

Claims

1. An automation equipment that is used for processing of spiral rib steel wire tip reducing gauge circle, its characterized in that includes: the mould pushing device comprises a rack, wherein a clamping mechanism and a pushing mechanism are respectively arranged at two ends of the rack, a mould base is arranged at one end, facing the clamping mechanism, of the pushing mechanism, the pushing mechanism pushes the mould base to be close to or far away from the clamping mechanism, and a mould sleeve (21) is arranged on the mould base; wherein,

the clamping mechanism includes: the clamping device comprises an upper clamping plate (7) and a lower clamping plate (17), wherein the left end and the right end of the upper clamping plate (7) and the lower clamping plate (17) are respectively provided with a bracket plate (10) fixedly connected to the rack, the lower clamping plate (17) can be installed between the two bracket plates (10) in a left-right adjusting mode, a driving mechanism is installed on the bracket plates (10), and the driving mechanism is in contact with the upper clamping plate (7) to push the upper clamping plate (7) to be located above the lower clamping plate (17) to move vertically;

the lower surface of the upper clamping plate (7) is provided with an upper clamping groove, the upper surface of the lower clamping plate (17) is provided with a lower clamping groove (19), the upper clamping groove and the lower clamping groove (19) are matched to form a clamping hole, and the clamping hole is coaxial with a reducing die hole in the die sleeve (21).

2. An automated apparatus for reducing diameter gauge rounding of spiral ribbed steel wire ends according to claim 1, wherein said pushing mechanism comprises: the die holder is characterized in that a first hydraulic cylinder (13) is mounted on the frame, a hydraulic shaft of the first hydraulic cylinder (13) is connected with a connecting frame (12) through a first pin shaft (26), and one end, back to the hydraulic shaft, of the connecting frame (12) is fixedly connected with the die holder.

3. The automated apparatus for reducing the diameter of a spiral ribbed steel wire end rounding of claim 2, wherein the die holder comprises: the first baffle (29) and the second baffle (2) are arranged in parallel front and back; the die sleeve (21) is arranged in a positioning groove corresponding to the first baffle (29), and a reducing die is placed in the die sleeve (21); the locating sleeve (22) penetrates through the second baffle (2), and a connecting sleeve (23) is arranged between the die sleeve (21) and the locating sleeve (22).

4. The automatic equipment for the end reducing and rounding of the spiral rib steel wire according to claim 3, characterized in that a plurality of threaded telescopic rods (24) with adjustable length are further arranged between the first baffle plate (29) and the second baffle plate (2);

the rack is further provided with a guide rod (3), and the first baffle (29) and the second baffle (2) are provided with sliding holes capable of being located on the guide rod (3) in a sliding mode.

5. An automated apparatus for reducing diameter gauge rounding of spiral ribbed steel wire ends according to claim 4 wherein said stand comprises: the frame body (1), be provided with two crossbeam (25) in the frame body (1), guide bar (3) set up in two between crossbeam (25).

6. The automatic equipment for the end reducing and rounding of spiral ribbed steel wires according to claim 5, characterized in that a front support plate (5) is arranged on the machine frame at one end close to the die sleeve (21), and a feed hole (6) is formed on the front support plate (5);

a rear supporting plate (14) is arranged at one end, close to the first hydraulic cylinder (13), of the rack, a hydraulic cylinder seat (15) is arranged on the rear supporting plate (14), and the first hydraulic cylinder (13) is mounted on the hydraulic cylinder seat (15) through a fourth pin shaft (28);

the front supporting plate (5) is connected with the rear supporting plate (14) through two connecting rods (16).

7. An automated apparatus for reducing diameter gauge rounding of spiral ribbed steel wire ends according to any one of claims 1 to 6, wherein said drive mechanism comprises: one end of the second hydraulic cylinder (9) is connected to the two support plates (10) through a second pin shaft (11), and the other end of the second hydraulic cylinder (9) is hinged with an eccentric wheel (8);

the lower part of the eccentric wheel (8) is connected to the two bracket plates (10) through a third pin shaft (4), the lower end of the eccentric wheel is pressed on the upper clamping plate (7), and a plurality of reset springs (18) are arranged between the upper clamping plate (7) and the lower clamping plate (17).

8. The automatic equipment for the diameter-reducing rounding processing of the end part of the spiral rib steel wire according to the claim 7 is characterized in that the side surfaces of the two support plates (10) are penetrated with positioning and adjusting screws at the positions corresponding to the lower clamping plate (17) horizontally, and the positioning and adjusting screws are used for fixing and adjusting the left and right positions of the lower clamping plate (17);

an adjusting thin iron sheet is arranged between the upper clamping plate (7) and the eccentric wheel (8), and an adjusting thin iron sheet is arranged between the lower clamping plate (17) and a lower supporting beam (34) which is arranged below the lower clamping plate and fixedly connected to the rack so as to adjust the upper and lower positions of the clamping hole.

9. The automatic equipment for the end reducing and rounding of the spiral rib steel wire according to claim 5, characterized in that one end of the two support plates (10) close to the pushing mechanism is fixedly connected through a connecting block (30), the connecting block (30) is connected to the upper end of a blocking sheet (20) through a bolt, and the lower end of the blocking sheet (20) is connected with the cross beam (25) through a bolt;

the connecting frame (12) towards the one end of position sleeve (22) is formed with the through-hole, separation blade (20) towards one side rigid coupling of position sleeve (22) has and to stretch into in order through-hole and the downthehole ejection mechanism (27) of mould.

10. An automated apparatus for reducing diameter of a spiral ribbed steel wire end rounding according to claim 9, wherein the ejection mechanism comprises: thimble (32), thimble (32) towards the one end threaded connection of separation blade (20) has direction handle (31), direction handle (31) towards the one end threaded connection of separation blade (20) has regulation handle (33), regulation handle (33) dorsad the one end of direction handle (31) is fixed in through fixation nut on separation blade (20).