CN218365543U

CN218365543U - Tool equipment

Info

Publication number: CN218365543U
Application number: CN202222624466.1U
Authority: CN
Inventors: 张步亭; 刘韶华; 许圣洁; 唐修国
Original assignee: Sany Construction Technology Co Ltd
Current assignee: Sany Construction Technology Co Ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-01-24
Anticipated expiration: 2032-09-30

Abstract

The utility model provides a tool relates to the assembly type structure field to solve the problem that dowel cage production efficiency is low, the location is inaccurate and the shaping effect is not good. The tool comprises a fixing part, a first positioning assembly and a plurality of second positioning assemblies arranged at intervals along the length direction of the fixing part, wherein the first positioning assembly is used for positioning a connecting rib of the reinforcement cage, and each second positioning assembly is used for positioning a reinforcement of the reinforcement cage; each second positioning assembly comprises two second positioning parts which are oppositely arranged, and the two second positioning parts which are oppositely arranged are arranged on the fixing part along the width direction of the fixing part; the first positioning component comprises at least two first positioning parts which are oppositely arranged, and the at least two first positioning parts which are oppositely arranged are arranged at the positions, close to the end parts, of the fixing parts. The utility model provides a frock is used for the equipment of joint bar cage.

Description

Tool equipment

Technical Field

The utility model relates to an assembly type structure field especially relates to a frock.

Background

The concrete cavity wall structure system in the fabricated building is connected between an upper cavity wall body and a lower cavity wall body during construction, and a vertical annular dowel bar is required to be inserted into the cavities of the upper wall body and the lower wall body to form lap joint. Because the annular dowel bars are required to be large in quantity, the annular dowel bars are required to be positioned in advance and placed one by one in field operation, and the connecting bars are required to be bound at the middle positions and the end positions of the annular dowel bars for fixing.

In order to improve the field construction efficiency, the annular dowel bars and the connecting bars are bound in a factory to form a combined and formed dowel bar cage. At present, the processing of a steel bar inserting cage needs processes of marking, fixing and the like, time and labor are wasted, and the problems of inaccurate positioning of steel bars, poor forming effect and the like exist.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a frock for the equipment of joint bar cage to solve joint bar cage production efficiency low, the inaccurate and not good problem of shaping effect in location.

In order to achieve the above object, the present invention provides the following technical solutions:

the embodiment of the utility model provides a be used for frock for the equipment of joint bar cage, the frock includes fixed part, first locating component and along a plurality of second locating component of the length direction interval setting of fixed part, first locating component is used for the location of the splice bar of joint bar cage, every second locating component is used for the location of the splice bar of joint bar cage;

each second positioning assembly comprises two second positioning parts which are oppositely arranged, and the two second positioning parts which are oppositely arranged are arranged on the fixing part along the width direction of the fixing part;

the first positioning component comprises at least two first positioning parts which are oppositely arranged, and the at least two first positioning parts which are oppositely arranged are arranged at the positions, close to the end parts, of the fixing parts.

According to at least one embodiment of the present invention, along the length direction of the fixing portion, at least one of the first positioning portion and/or the at least one of the second positioning portion is movably provided on the fixing portion.

According to at least one embodiment of the present invention, the second positioning portion includes two second clamping portions disposed oppositely, a second accommodating space is provided between the two second clamping portions, the second accommodating space is used for accommodating the dowel, and a second opening communicated with the second accommodating space is provided between the end portions of the two second clamping portions away from the fixing portion; and/or the presence of a gas in the gas,

the first positioning portion comprises two first clamping portions which are oppositely arranged, a first accommodating space is arranged between the two first clamping portions and used for accommodating the connecting rib, and a first opening communicated with the first accommodating space is formed between the end portions, deviating from the fixing portion, of the two first clamping portions.

According to at least one embodiment of the present invention, the second positioning portion further comprises a second supporting portion disposed between the two oppositely disposed second clamping portions, and two ends of the second supporting portion are respectively connected to the corresponding second clamping portions; and/or the presence of a gas in the gas,

the first positioning part further comprises a first supporting part arranged between the two oppositely arranged first clamping parts, and two ends of the first supporting part are respectively connected with the corresponding first clamping parts;

the first supporting portion and the fixing portion, and the second supporting portion and the fixing portion are provided with preset intervals.

According to the utility model discloses an at least one embodiment, first supporting part with between the fixed part the second supporting part with interval between the fixed part is adjustable.

According to at least one embodiment of the present invention, the fixing portion includes a base plate and at least two second supporting plates disposed on the base plate, each of the second positioning portions is attached to the corresponding second supporting plate, and an end surface of the second supporting plate facing away from the base plate is used for supporting the dowel bar; and/or the presence of a gas in the gas,

the fixed part includes the base plate and establishes two at least first backup pads of base plate, each first location portion all laminates correspondingly first backup pad sets up, first backup pad deviates from the terminal surface of base plate is used for the support the splice bar.

According to at least one embodiment of the present invention, each of the second positioning portions is movably provided on the second support plate along a length direction of the fixing portion;

the second positioning portion further comprises a locking device for fixedly connecting the second positioning portion to the second support plate.

According to at least one embodiment of the present invention, the locking device comprises a connecting rod, a boss provided at one end of the connecting rod, and a handle hinged at the other end of the connecting rod;

the second backup pad is seted up and is supplied the connecting rod passes and follows the mobilizable spout of fixed part length direction, the bellying is used for the butt to be in a side of second backup pad, the handle with the articulated position of connecting rod has eccentric portion, works as locking device is in locking state, eccentric portion is used for with second location portion butt is in the another side of second backup pad.

According to at least one embodiment of the present invention, the sliding groove of each second supporting plate includes a plurality of sliding groove sections corresponding to the second positioning portions, the plurality of sliding groove sections of each second supporting plate are connected to each other, and the second supporting plate is provided with continuous scribed lines corresponding to the sliding grooves; or the like, or a combination thereof,

and a plurality of sliding groove sections are arranged on each second supporting plate at intervals, and a plurality of sections of scribed lines corresponding to the sliding groove sections are arranged on the second supporting plates.

According to the utility model discloses an at least one embodiment, the bellying with the one end threaded connection of connecting rod, the bellying has the confession the screw hole of connecting rod spiro union.

Compared with the prior art, the utility model discloses a frock is fixed a position the splice bar of dowel cage through establishing the first locating component on the fixed part, fixes a position the splice bar of dowel cage through a plurality of second locating component that set up along the length direction interval of fixed part, realizes the rigidity of a plurality of dowel bars and splice bar to carry out the ligature, need not to rule, fixed etc. and waste time, hard process, the shaping effect is better after the ligature moreover. Specifically, each second positioning assembly comprises two oppositely arranged second positioning parts, and the two oppositely arranged second positioning parts are arranged on the fixing part along the width direction of the fixing part, so that the arrangement and positioning of the dowel bars along the width direction of the fixing part can be ensured; first locating component includes the first locating part of two at least relative settings, and the position that the fixed part is close to the tip is established to the first locating part of two at least relative settings, and the both ends setting of splice bar is close to the position of tip at the fixed part, can guarantee that the splice bar sets up and fix a position along the length direction of fixed part. Through the cooperation of first locating component and second locating component, each dowel bar can be fixed a position with the splice bar in relevant position to realize quick fixed and ligature.

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 exemplary embodiments of the invention and together with the description serve to explain the principles of the invention.

Fig. 1 is a schematic diagram of a tool structure according to an embodiment of the present invention.

Fig. 2 is a schematic partial structural view of a tool according to an embodiment of the present invention.

Fig. 3 is a schematic structural view of a locking device according to an embodiment of the present invention.

Fig. 4 is a schematic view of an assembled joint bar cage according to an embodiment of the present invention.

Fig. 5 is a schematic view of a tendon cage structure according to an embodiment of the present invention.

Reference numerals: 10. a first positioning portion; 11. a first clamping portion; 12. a first support section; 20. a second positioning portion; 21. a second clamping portion; 22. a locking device; 221. a handle; 222. an eccentric portion; 223. a boss portion; 224. a connecting rod; 30. a fixed part; 31. a substrate; 32. a second support plate; 321. an end face; 41. inserting ribs; 42. and connecting ribs.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limitations of the invention. It should be noted that, for convenience of description, only the parts related to the present invention are shown in the drawings.

In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict. The present invention will be described in detail with reference to the accompanying drawings in conjunction with embodiments.

Aiming at the problem that the joint bars are required to be connected in a lap joint mode between the upper cavity wall body and the lower cavity wall body, the field binding construction of the existing joint bars is optimized to be integrally installed in a combined forming joint bar cage mode. However, in the prior art, the forming of the dowel cage requires manual marking, fixing and other processes, which is time-consuming, labor-consuming and poor in forming effect.

In order to solve the problem, the embodiment of the utility model provides a tool for the equipment of dowel cage, wherein the dowel cage is as shown in fig. 5, and the dowel cage includes dowel 41 and splice bar 42, and in some embodiments, dowel 41 uses the annular reinforcing bar as an example, and splice bar 42 is for straight shape reinforcing bar as an example, and it can be understood, in order to guarantee the fastness of dowel cage, and splice bar 42 not only sets up the position in the waist both sides of dowel 41, and at the tip position of annular dowel 41. Wherein the connecting ribs 42 arranged at the waist positions of the inserting ribs 41 are welded with the inserting ribs 41, and the connecting ribs 42 arranged at the end positions of the inserting ribs 41 are bound with the inserting ribs 41. It is understood that the two connecting ribs 42 at the waist portion of the rib 41 may be disposed at the inner side or the outer side of the annular rib 41, and the two connecting ribs 42 at the waist portion of the rib 41 may be disposed at the inner side or the outer side of the rib 41. The two connection ribs 42 provided at the end portions of the corresponding ribs 41 may be provided inside or outside the corresponding ribs 41.

In some embodiments, please refer to fig. 1 and 2, an embodiment of the present invention provides a tooling, including a fixing portion 30, a first positioning component and a plurality of second positioning components arranged at intervals along a length direction of the fixing portion 30, where the first positioning component is used for positioning a connecting rib 42 of a tendon insertion cage, and each second positioning component is used for positioning a tendon 41 of the tendon insertion cage; each second positioning assembly comprises two oppositely arranged second positioning parts 20, and the two oppositely arranged second positioning parts are arranged on the fixing part 30 along the width direction of the fixing part 30; the first positioning component includes at least two first positioning portions 10 disposed oppositely, and the at least two first positioning portions 10 disposed oppositely are disposed at positions near the ends of the fixing portion 30.

In some embodiments, the end of the fixing portion 30 refers to two ends of the fixing portion 30 in the length direction, and the two first positioning portions 10 are respectively disposed at positions of the fixing portion 30 close to the ends, it is understood that the first positioning portions 10 are not limited to two positions disposed at positions of the fixing portion 30 close to the ends, and one or more first positioning portions 10 may be disposed at positions of the fixing portion 30 close to the middle, if necessary, for example, when the connecting rib 42 is too long, one or more first positioning portions 10 may be disposed at positions of the fixing portion 30 close to the middle.

In some embodiments, referring to fig. 2, the second positioning components are disposed on the fixing portion 30 according to the spacing of the steel bars 41 in the steel bar cage, and the steel bars 41 are fixed by the second positioning components. The second positioning assembly, as described above, exemplarily includes two oppositely disposed second positioning portions 20 distributed along the width direction of the fixing portion 30, the width direction of the fixing portion 30 is perpendicular to the length direction, that is, the dowel 41 fixed by the two oppositely disposed second positioning portions 20 is perpendicular to the connecting rib 42, and the dowel 41 can be supported and kept stable by using the two oppositely disposed second positioning portions 20. Through the cooperation of the second positioning assembly and the first positioning assembly, the joint bar 41 and the connecting bar 42 of the joint bar cage only need to be placed at corresponding positions, and then binding or welding is performed to complete the assembly of the joint bar cage, as shown in fig. 4. Not only saves time and labor, but also has better forming effect than manual paying-off and fixing.

In consideration of the requirement that the tooling is suitable for the dowel cages with various specifications, the first positioning parts 10 and the second positioning parts 20 can be arranged to be movable along the length direction of the fixing part 30, and for example, in order to adapt to the length of the connecting rib 42, the spacing between one or more first positioning parts 10 can be adjusted; in order to adapt to the space between the respective ribs 41, the second positioning portion 20 is also provided on the fixing portion 30 so that the space can be adjusted. It is understood that the two oppositely disposed second positioning portions 20 in the width direction of the fixing portion 30 should be adjusted in synchronization when adjusting the position. In order to obtain the moving distance of the first positioning portion 10 and the second positioning portion 20 on the fixing portion 30, corresponding scales are provided on the fixing portion 30, and the first positioning portion 10 and the second positioning portion 20 can be quickly adjusted in place according to the scales.

For example, please refer to fig. 2, in order to adapt to the shape and structure of the joint bar 42 and the joint bar 41 in the joint bar cage, the second positioning portion 20 includes two second clamping portions 21 disposed opposite to each other, and a second accommodating space is provided between the two second clamping portions 21, wherein the second accommodating space accommodates the joint bar 41, the height of the second accommodating space is greater than the width of the annular joint bar 41, the width of the second accommodating space is slightly greater than or equal to the diameter of the steel bar forming the joint bar 41, so as to obtain a stable state of the joint bar 41, and a second opening communicated with the second accommodating space is provided between the end portions of the two second clamping portions 21 departing from the fixing portion 30, which can facilitate the placement or the removal of the joint bar 41. Illustratively, the first positioning portion 10 includes two first clamping portions 11 disposed opposite to each other, and a first receiving space is provided between the two first clamping portions 11, wherein the first receiving space receives the connection rib 42, a height of the second receiving space is greater than a space between the two connection ribs 42 disposed at a waist portion of the annular insertion rib 41, and a width of the second receiving space is slightly greater than or equal to a diameter of the reinforcement bar of the connection rib 42, so as to obtain a stable state of the connection rib 42. And a first opening communicated with the first accommodating space is formed between the end parts of the two first clamping parts 11 departing from the fixing part 30, so that the connecting ribs 42 can be conveniently placed or taken out.

The connection between the connection rib 42 and the dowel 41 and the ease of removal of the dowel cage are taken into account such that there is a certain spacing between the connection rib 42, the dowel 41 and the fixing portion 30. Exemplarily, the second positioning portion 20 further includes a second supporting portion (not shown) disposed between two oppositely disposed second clamping portions 21, and two ends of the second supporting portion are respectively connected to the corresponding second clamping portions 21; and the first positioning portion 10 further includes a first supporting portion 12 disposed between the two oppositely disposed first clamping portions 11, and both ends of the first supporting portion 12 are respectively connected to the corresponding first clamping portions 11. The first supporting portion 12, the second supporting portion and the fixing portion 30 have a predetermined interval therebetween. For example, the second positioning portion 20 and the first positioning portion 10 are H-shaped beams, and the relative heights of the first supporting portion 12 and the second supporting portion may be set according to the relative positions of the connecting ribs 42 and the inserting ribs 41.

It will be appreciated that the spacing between the first support portion 12, the second support portion and the fixing portion 30 is adjustable to facilitate adjustment of the relative positions of the connecting rib 42 and the dowel 41, and that the connection between the first support portion 12 and the first clamping portion 11 may be in the form of a plurality of holes, such as light holes or threaded holes, provided in the first clamping portion 11. Similarly, the connection between the second supporting portion and the second clamping portion 21 can also be in the form of the above-mentioned unthreaded hole or threaded hole, and two ends of the second supporting portion are embedded in the holes of the corresponding second clamping portion 21.

In some embodiments, the shape of the fixing portion 30 is various, and may be a rectangular plate in the above form, or may also be a U-shaped groove.

As shown in fig. 2, the U-shaped groove is specifically formed in such a way that the fixing portion 30 includes a base plate 31 and at least two second supporting plates 32 disposed on the base plate 31, each second positioning portion 20 is disposed in contact with the corresponding second supporting plate 32, and an end face 321 of the second supporting plate 32, which is away from the base plate 31, is used for supporting the dowel bar 41; when the number of the second supporting plates 32 is two, the two oppositely disposed second supporting plates 32 are distributed along the width direction of the fixing portion 30, that is, each second positioning portion 20 is attached to the corresponding second supporting plate 32, and the top end of the second supporting plate 32 plays a role of a second supporting portion, that is, a second supporting portion is not required to be disposed between the two oppositely disposed second clamping portions 21. In some embodiments, each second support plate 32 may be segmented and distributed along the length of the fixing portion 30, which may reduce the weight.

In some embodiments, referring to fig. 2, each second positioning portion 20 is movably disposed on the second supporting plate 32 along the length direction of the fixing portion 30; the second positioning portion 20 further includes a locking device 22 for fixedly attaching the second positioning portion 20 to the second support plate 32. Compared to the flat-plate-shaped fixing part 30, the fixing part 30 in the form of a u-shaped groove may be provided with the second positioning parts 20 on the second support plates 32 at both sides, facilitating fixing and adjusting the interval of the second positioning parts 20. The positioning is achieved by fixing the second positioning portion 20 to the second support plate 32 using the locking device 22, for example, when the second positioning portion 20 is moved to a desired pitch along the length direction of the fixing portion 30.

In some embodiments, the fixing portion 30 includes a base plate 31 and at least two first support plates (not shown) disposed on the base plate 31, each first positioning portion 10 is disposed to fit the corresponding first support plate, and an end surface of the first support plate facing away from the base plate 31 is used for supporting the connecting rib 42. The top end of the first supporting plate functions as a second supporting portion, i.e. the first supporting portion is not required to be arranged between the two oppositely arranged first clamping portions 11.

In some embodiments, when the first positioning portion 10 is an H-shaped beam and the fixing portion 30 is a U-shaped groove, the height of the first supporting portion 12 is lower than the end face 321 of the second supporting plate 32, and the height difference between the first supporting portion and the end face 321 is approximately equal to the diameter of the connecting rib 42, so that the steel bars 41 are supported by the end face 321 of the second supporting plate 32, and a good forming effect of the steel bar cage is maintained.

Illustratively, referring to fig. 3, the locking device 22 includes a connecting rod 224, a protrusion 223 formed at one end of the connecting rod 224, and a handle 221 hinged to the other end of the connecting rod 224; accordingly, a sliding slot is opened on the second support plate 32 for the connecting rod 224 to pass through and move along the length direction of the fixing portion 30, the convex portion 223 is used for abutting against one side surface of the second support plate 32, the hinged position of the handle 221 and the connecting rod 224 is provided with an eccentric portion 222, and when the locking device 22 is in the locking state, the eccentric portion 222 is used for abutting against the other side surface of the second positioning portion 20 on the second support plate 32. Illustratively, when the handle 221 is perpendicular to the connecting rod 224, the locking device 22 is in a locked state, and the second positioning portion 20 is fixed on the second support plate 32. When the handle 221 is in line with the connecting rod 224, the locking device 22 is in the unlocked state, and the second positioning portion 20 can be moved to a desired position along the slide groove of the second support plate 32.

Illustratively, the protrusion 223 prevents the connecting rod 224 from passing through the sliding slot when the locking device 22 is in the locking state, and the end surface of the protrusion 223 abuts against one side surface of the second support plate 32 and cooperates with the eccentric portion 222 to press the second positioning portion 20 against the other side surface of the second support plate 32. It will be appreciated that the second positioning portion 20 also has a hole for the connecting rod 224 to pass through, and the second positioning portion 20 can be provided on the inner side or the outer side of the second support plate 32.

Considering that the link 224 needs to conveniently pass through the sliding slot of the second support plate 32 and the active length of the link 224 needs to be adjusted, the boss 223 is threadedly coupled to one end of the link 224, and the boss 223 has a threaded hole for the link 224 to be threadedly coupled. The screw-coupling of the projection 223 with one end of the link 224 allows the link 224 to be easily replaced and the active length of the link 224 to be adjusted.

In some embodiments, the sliding groove of each second support plate 32 includes a plurality of sliding groove sections corresponding to the second positioning portions 20, and the plurality of sliding groove sections of each second support plate 32 are connected or spaced. When a plurality of sliding groove segments are connected to form a slot, a continuous scribe line can be arranged on the second supporting plate 32 close to the whole slot, so that the adjustment of the distance between the inserting bars 41 can be controlled more flexibly. When the plurality of chute sections are spaced apart from each other on each second support plate 32, the second support plate 32 adjacent to each chute section is provided with a scribed line for indicating the adjustment distance of the second positioning portion 20.

In specific implementation, please refer to fig. 4, wherein S1: placing a connecting rib 42 in two oppositely arranged first positioning parts 10 close to the ends of the fixing parts;

s2: placing each dowel bar 41 on two second positioning parts 20 arranged along the width direction of the fixing part in the middle in sequence, and welding the connecting ribs 42 and the dowel bars 41 at cross points;

s3: naturally placing the other connecting rib 42 in the two oppositely arranged first positioning parts 10 close to the end parts of the fixing parts, and welding the other connecting rib with each inserting rib 41 at a cross point;

s4: one end of the annular dowel bar 41 penetrates through two connecting bars 42 at the top, and the connecting bars and the cross points of the dowel bar 41 are bound and fixed;

s5: the integrally formed cage is removed as shown in fig. 5.

In the description herein, reference to the description of the terms "one embodiment/mode," "some embodiments/modes," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment/mode or example is included in at least one embodiment/mode or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment/mode or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/modes or examples and features of the various embodiments/modes or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

It will be understood by those skilled in the art that the foregoing embodiments are provided for clarity of description only, and are not intended to limit the scope of the invention. Other variations or modifications will occur to those skilled in the art based on the foregoing disclosure and are still within the scope of the invention.

Claims

1. The tool is used for assembling a rebar inserting cage and comprises a fixing part, a first positioning assembly and a plurality of second positioning assemblies arranged at intervals along the length direction of the fixing part, wherein the first positioning assembly is used for positioning a connecting rib of the rebar inserting cage, and each second positioning assembly is used for positioning a rebar inserting of the rebar inserting cage;

2. The tool according to claim 1, wherein at least one of the first positioning portion and the second positioning portion is movably provided on the fixing portion along a length direction of the fixing portion.

3. The tool according to claim 1, wherein the second positioning portion comprises two second clamping portions which are arranged oppositely, a second accommodating space is formed between the two second clamping portions, the second accommodating space is used for accommodating the dowel, and a second opening communicated with the second accommodating space is formed between the end portions, away from the fixing portion, of the two second clamping portions; and/or the presence of a gas in the gas,

4. The tooling of claim 3, wherein the second positioning portion further comprises a second supporting portion arranged between the two oppositely arranged second clamping portions, and two ends of the second supporting portion are respectively connected with the corresponding second clamping portions; and/or the presence of a gas in the gas,

the first supporting part and the fixing part are provided with preset intervals, and the second supporting part and the fixing part are provided with preset intervals.

5. The tooling of claim 4, wherein the spacing between the first support portion and the fixing portion and the spacing between the second support portion and the fixing portion are adjustable.

6. The tooling of any one of claims 1 to 5, wherein the fixing portion comprises a base plate and at least two second support plates arranged on the base plate, each second positioning portion is attached to the corresponding second support plate, and the end face, away from the base plate, of each second support plate is used for supporting the dowel; and/or the presence of a gas in the gas,

7. The tooling of claim 6, wherein each second positioning portion is movably arranged on the second supporting plate along the length direction of the fixing portion;

8. The tool according to claim 7, wherein the locking device comprises a connecting rod, a bulge arranged at one end of the connecting rod and a handle hinged at the other end of the connecting rod;

9. The tooling of claim 8, wherein the sliding groove of each second support plate comprises a plurality of sliding groove sections corresponding to the second positioning portions, the plurality of sliding groove sections of each second support plate are connected, and the second support plate is provided with continuous scribed lines corresponding to the sliding grooves; or the like, or, alternatively,

and a plurality of sliding groove sections arranged on each second supporting plate are arranged at intervals, and a plurality of sections of scribed lines corresponding to the sliding groove sections are arranged on the second supporting plate.

10. The tooling of claim 8, wherein the boss is in threaded connection with one end of the connecting rod, and the boss has a threaded hole for the connecting rod to be in threaded connection.