CN212419449U - Steel bar shearing device - Google Patents
Steel bar shearing device Download PDFInfo
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- CN212419449U CN212419449U CN202021036954.5U CN202021036954U CN212419449U CN 212419449 U CN212419449 U CN 212419449U CN 202021036954 U CN202021036954 U CN 202021036954U CN 212419449 U CN212419449 U CN 212419449U
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- tool apron
- connecting plate
- fixing plate
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Abstract
The utility model provides a steel bar shearing device, which comprises a hydraulic oil cylinder, a limit base, a knife holder, a knife board, a connecting board and a fixed board, wherein the limit base is arranged below the hydraulic oil cylinder, and a chute structure is arranged on the limit base; the tool apron can be arranged in a chute structure of the limiting base in a vertically sliding manner; the knife board is fixedly arranged below the knife holder; the connecting plate is arranged on the lower end surface of the piston column; the fixing plate is arranged on the upper end surface of the tool apron, and a groove-shaped mounting space is formed between the fixing plate and the upper end surface of the tool apron; the connecting plate is embedded in the groove type mounting space and is mutually clamped with the tool apron. Thereby when shearing the reinforcing bar in-process, the blade holder receives along the radial power of piston post, makes the blade holder along radial slight movement through the clearance between the cell type installation space of connecting plate and fixed plate, and the piston post can not receive radial moment, and then avoids the inner wall friction increase of piston post and cylinder body portion to take place the bending even, forms and effectively protects hydraulic cylinder.
Description
Technical Field
The utility model relates to a reinforcing bar cutting equipment field particularly, relates to a reinforcing bar shearing mechanism.
Background
In the field of building construction or engineering construction, the steel bar shearing device is necessary steel bar processing equipment. The steel bar shearing device generally comprises a hydraulic oil cylinder, a cutter seat, a cutter plate and a limiting base, wherein the cutter plate is installed on the cutter seat according to a certain inclination angle, the cutter seat is installed on the limiting base in a vertically sliding mode, and a piston column of the hydraulic oil cylinder and the cutter seat are fixedly connected and drive the cutter seat to move up and down along the limiting base so as to drive the cutter plate to cut the steel bar.
In order to ensure that the tool apron smoothly slides up and down, a certain gap is formed between the tool apron and the sliding groove of the limiting base. And the cutting board is certain angle slope and installs on the blade holder, hydraulic cylinder promotes the in-process of cutting board to the reinforcing bar, the reaction force that the reinforcing bar produced not only can produce the axial power along the piston post to the blade holder, can produce the radial power along the piston post to the blade holder simultaneously, and because there is the clearance between the spout of blade holder and spacing base, and be hard linking between piston post and the blade holder, thereby make the piston post receive very big radial moment at the application of force in-process, the increase makes the piston post emergence bending with the friction of the inboard cylinder wall of hydraulic cylinder even, not only influence work efficiency, and have very big influence to hydraulic cylinder's life-span.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a bar shear to at least solve bar shear piston post among the prior art and blade holder adopt the rigid coupling to lead to the piston post to receive very big radial moment and influence the problem in hydraulic cylinder life-span.
In order to achieve the above object, the utility model provides a steel bar shearing device, include: the hydraulic oil cylinder is arranged in the vertical direction and is provided with a cylinder body part and a piston column, and the cylinder body part is fixedly connected with a preset mounting seat; the limiting base is arranged below the hydraulic oil cylinder, and a sliding groove structure is arranged on the limiting base; the tool apron is vertically and slidably arranged in the chute structure of the limiting base; the cutter plate is fixedly arranged below the cutter holder and inclines to the horizontal direction by a preset angle; the connecting plate is arranged on the lower end face of the piston column; the fixing plate is arranged on the upper end surface of the tool apron, and a groove-shaped mounting space is formed between the fixing plate and the upper end surface of the tool apron; wherein, the connecting plate inlays in the cell type installation space and mutually the joint and have the clearance of predetermineeing between the lateral wall of connecting plate and the lateral wall of cell type installation space with the blade holder.
Further, the connecting plate is detachably connected with the lower end face of the piston column through a bolt.
Further, the connecting plate is of a disc-shaped structure, and the diameter of the connecting plate is larger than that of the piston column so as to form an annular first step structure in the circumferential direction of the connecting plate; wherein, first stair structure inlays in the groove type installation space so that connecting plate and blade holder joint each other.
Further, the fixing plate includes: the first fixing plate and the second fixing plate are opposite along the length direction of the tool apron and are arranged on the upper end surface of the tool apron at intervals; second step structures are arranged below the opposite side walls of the first fixing plate and the second fixing plate, and groove-shaped mounting spaces are defined between the two second step structures and the upper end faces of the tool apron; the connecting plate is embedded in the groove-type mounting space so that the first step structures and the two second step structures at two ends of the connecting plate, which are opposite in the radial direction, are adapted and matched with each other.
Further, both the second step structures are linear step structures.
Further, the first fixing plate and the second fixing plate are detachably mounted on the upper end face of the cutter holder through bolts.
Further, spacing base includes: the first seat body and the second seat body are oppositely arranged along the length direction of the tool apron; the sliding groove structures which correspond to each other and extend along the vertical direction are formed on the opposite side walls of the first seat body and the second seat body, and the two ends of the cutter holder are correspondingly slidably mounted in the sliding groove structures of the first seat body and the second seat body.
The steel bar shearing device applying the technical scheme of the utility model comprises a hydraulic oil cylinder, a limiting base, a tool apron, a cutting board, a connecting board and a fixing board, wherein the hydraulic oil cylinder is arranged along the vertical direction and is provided with a cylinder body part and a piston column, and the cylinder body part is fixedly connected with a preset mounting seat; the limiting base is arranged below the hydraulic oil cylinder, and a sliding groove structure is arranged on the limiting base; the tool apron is arranged in a sliding groove structure of the limiting base in a vertically slidable manner; the knife board is fixedly arranged below the knife holder and inclines to the horizontal direction by a preset angle; the connecting plate is arranged on the lower end surface of the piston column; the fixing plate is arranged on the upper end surface of the tool apron, and a groove-shaped mounting space is formed between the fixing plate and the upper end surface of the tool apron; the connecting plate is embedded in the groove type mounting space and is mutually clamped with the tool apron, and a preset gap is formed between the side wall of the connecting plate and the side wall of the groove type mounting space. Thereby at the in-process of cuting the reinforcing bar, the cutting board that the slope set up makes the blade holder receive when following the radial power of piston post, clearance between the cell type installation space through connecting plate and fixed plate can make the blade holder along the radial slight removal of piston post and with the spout structure chucking on the spacing base, make the piston post can not receive radial moment and only bear along its axial pressure, and then avoid the inner wall friction increase of piston post and cylinder body portion to take place the bending even, form and effectively protect hydraulic cylinder.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic side view of an alternative steel bar shearing device according to an embodiment of the present invention; and
fig. 2 is a schematic sectional view taken along line a-a of fig. 1.
Wherein the figures include the following reference numerals:
10. a hydraulic cylinder; 11. a cylinder part; 12. a piston post; 20. a limiting base; 21. a first seat body; 22. a second seat body; 30. a tool apron; 40. a cutting board; 50. a connecting plate; 60. a fixing plate; 61. a first fixing plate; 62. and a second fixing plate.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The steel bar shearing device comprises a hydraulic oil cylinder 10, a limiting base 20, a tool apron 30, a knife board 40, a connecting board 50 and a fixing board 60, wherein the hydraulic oil cylinder 10 is arranged along the vertical direction, the hydraulic oil cylinder 10 is provided with a cylinder body part 11 and a piston column 12, and the cylinder body part 11 is fixedly connected with a preset mounting seat; the limiting base 20 is arranged below the hydraulic oil cylinder 10, and a sliding groove structure is arranged on the limiting base 20; the tool apron 30 is vertically slidably mounted in the chute structure of the limiting base 20; the knife board 40 is fixedly arranged below the knife holder 30 and inclines to the horizontal direction by a preset angle; the connecting plate 50 is arranged on the lower end surface of the piston column 12; the fixing plate 60 is installed on the upper end surface of the tool apron 30, and a groove-shaped installation space is formed between the fixing plate 60 and the upper end surface of the tool apron 30; the connecting plate 50 is clamped with the tool apron 30 in the groove-shaped mounting space, and a preset gap is formed between the side wall of the connecting plate 50 and the side wall of the groove-shaped mounting space. Thereby at the in-process of cuting the reinforcing bar, the cutting board 40 that the slope set up makes the blade holder 30 receive along the radial power of piston post 12, clearance between the cell type installation space through connecting plate 50 and fixed plate 60 can make the blade holder 30 along piston post 12 radial slight displacement and with the spout structure chucking on the spacing base 20, make the piston post 12 can not receive radial moment and only bear along its axial pressure, and then avoid the piston post 12 and the inner wall friction increase of cylinder body portion 11 to take place the bending even, form and effective protection hydraulic cylinder 10.
In specific implementation, the connecting plate 50 is a disc-shaped structure, the diameter of the connecting plate 50 is larger than that of the piston column 12, and the connecting plate 50 is detachably connected with the lower end surface of the piston column 12 through a bolt. The central line of the connecting plate 50 is coincident with the central line of the piston column 12 so as to form an annular first step structure in the circumferential direction of the connecting plate 50; the first step structure is inserted into a groove-shaped mounting space formed between the fixing plate 60 and the upper end surface of the tool holder 30 so that the connecting plate 50 and the tool holder 30 are engaged with each other, thereby allowing a certain amount of play between the tool holder 30 and the piston cylinder 12 in the radial direction of the piston cylinder 12.
Further, the fixing plate 60 includes a first fixing plate 61 and a second fixing plate 62, the first fixing plate 61 and the second fixing plate 62 are oppositely arranged at an interval on the upper end surface of the tool holder 30 along the length direction of the tool holder 30, and optionally, the first fixing plate 61 and the second fixing plate 62 are both detachably mounted on the upper end surface of the tool holder 30 through bolts so as to facilitate mounting and dismounting. The first fixing plate 61 and the second fixing plate 62 are both rectangular plate structures, second step structures are arranged at positions close to the lower parts of the opposite side walls of the first fixing plate 61 and the second fixing plate 62, the two second step structures are both linear step structures, and a groove-shaped mounting space is defined between the two second step structures and the upper end surface of the tool apron 30; the groove-shaped installation space consists of an upper disc-shaped space and a lower disc-shaped space, the diameter of the disc-shaped space at the upper part is slightly larger than that of the piston column 12, the diameter of the disc-shaped space at the lower part is slightly larger than that of the connecting plate 50, and when the groove-shaped installation space is installed, the connecting plate 50 is embedded into the groove-shaped installation space from the lateral horizontal direction of the groove-shaped installation space, so that the first step structures and the two second step structures at two opposite ends of the connecting plate 50 along the radial direction are; after the piston column 12 is installed, a certain movable gap is formed between the piston column 12 and the upper disc-shaped space along the radial direction, a certain movable gap is formed between the connecting plate 50 and the lower disc-shaped space along the radial direction, and the movable gaps of the upper part and the lower part are consistent in size.
Further, the limiting base 20 includes a first base 21 and a second base 22, and the first base 21 and the second base 22 are oppositely disposed along the length direction of the tool apron 30; the opposite side walls of the first seat 21 and the second seat 22 are provided with sliding groove structures which are corresponding to each other and extend along the vertical direction, and two ends of the tool apron 30 are correspondingly slidably installed in the sliding groove structures of the first seat 21 and the second seat 22 so as to be capable of moving along the vertical direction under the driving of the hydraulic oil cylinder 10.
When the steel bar is cut, because the knife plate 40 is inclined at a certain angle with the horizontal direction, the reaction force generated by the steel bar can generate a force along the radial direction of the piston column 12 on the knife seat 30 through the knife plate 40, and the radial force faces the inclined side of the knife plate 40, so that the knife seat 30 moves towards the inclined side of the knife plate 40.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A bar shearing apparatus, comprising:
the hydraulic oil cylinder (10) is arranged in the vertical direction, the hydraulic oil cylinder (10) is provided with a cylinder body part (11) and a piston column (12), and the cylinder body part (11) is fixedly connected with a preset mounting seat;
the limiting base (20) is arranged below the hydraulic oil cylinder (10), and a sliding groove structure is arranged on the limiting base (20);
the tool apron (30) is vertically slidably arranged in the chute structure of the limiting base (20);
the cutter plate (40) is fixedly arranged below the cutter holder (30) and inclines to a preset angle with the horizontal direction;
a connecting plate (50) provided on the lower end surface of the piston column (12);
the fixing plate (60) is installed on the upper end face of the cutter holder (30), and a groove-shaped installation space is formed between the fixing plate (60) and the upper end face of the cutter holder (30);
the connecting plate (50) is embedded into the groove-shaped mounting space and is mutually clamped with the tool apron (30), and a preset gap is formed between the side wall of the connecting plate (50) and the side wall of the groove-shaped mounting space.
2. A reinforcement shearing device according to claim 1, wherein said connecting plate (50) is detachably connected to the lower end surface of said piston post (12) by means of a bolt.
3. The reinforcing bar shearing device according to claim 2, wherein the connecting plate (50) has a disc-shaped structure and the diameter of the connecting plate (50) is larger than that of the piston column (12) to form a first step structure having a ring shape in a circumferential direction of the connecting plate (50);
the first step structure is embedded into the groove-shaped mounting space so that the connecting plate (50) and the tool apron (30) are mutually clamped.
4. A reinforcing bar shearing apparatus as defined in claim 3, wherein said fixing plate (60) comprises:
the tool apron comprises a first fixing plate (61) and a second fixing plate (62), wherein the first fixing plate (61) and the second fixing plate (62) are opposite to each other along the length direction of the tool apron (30) and are arranged on the upper end surface of the tool apron (30) at intervals;
second step structures are arranged below the opposite side walls of the first fixing plate (61) and the second fixing plate (62), and the groove-shaped mounting space is enclosed between the two second step structures and the upper end face of the tool apron (30);
the connecting plate (50) is inserted into the groove-shaped mounting space so that the first step structures and the second step structures at two ends of the connecting plate (50) which are opposite in the radial direction are matched and matched with each other.
5. A bar shearing device as defined in claim 4, wherein both of said second step formations are straight step formations.
6. A reinforcement shearing device according to claim 4, wherein the first fixing plate (61) and the second fixing plate (62) are each detachably attached to an upper end surface of the holder (30) by means of a bolt.
7. A rebar shearing device as defined in claim 1, wherein said restraining base (20) comprises:
the tool apron comprises a first seat body (21) and a second seat body (22), wherein the first seat body (21) and the second seat body (22) are oppositely arranged along the length direction of the tool apron (30);
the sliding groove structures which correspond to each other and extend along the vertical direction are formed on the opposite side walls of the first seat body (21) and the second seat body (22), and two ends of the tool apron (30) are correspondingly slidably mounted in the sliding groove structures of the first seat body (21) and the second seat body (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021036954.5U CN212419449U (en) | 2020-06-08 | 2020-06-08 | Steel bar shearing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021036954.5U CN212419449U (en) | 2020-06-08 | 2020-06-08 | Steel bar shearing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212419449U true CN212419449U (en) | 2021-01-29 |
Family
ID=74273216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021036954.5U Active CN212419449U (en) | 2020-06-08 | 2020-06-08 | Steel bar shearing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212419449U (en) |
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2020
- 2020-06-08 CN CN202021036954.5U patent/CN212419449U/en active Active
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