CN210359017U

CN210359017U - Steel bar cutting machine

Info

Publication number: CN210359017U
Application number: CN201921274636.XU
Authority: CN
Inventors: 丁铖
Original assignee: Zhejiang Sanjie Construction Industrialization Co Ltd
Current assignee: Zhejiang Sanjie Construction Industrialization Co Ltd
Priority date: 2019-08-08
Filing date: 2019-08-08
Publication date: 2020-04-21
Anticipated expiration: 2029-08-08

Abstract

The utility model relates to a construction steel bar processing technology field discloses a reinforcement cutting machine, including workstation and incision, be equipped with first mounting and second mounting on the workstation, one side that the incision was located the incision back to the reinforcing bar head is used for the position that the fixed reinforcement is close to the incision, one side of incision towards the reinforcing bar head is located to the second mounting, first mounting includes first spout, first slider, first locating part and holder, first spout is seted up on the workstation along reinforcing bar length direction, first slider slides and connects in first spout, the holder includes the second spout, left clamp splice, right clamp splice and regulation pole, it drives left to adjust the pole, right clamp splice is close to each other in order to clip the reinforcing bar, first locating part is used for fixing a position the position of first slider in first spout. The utility model discloses a first mounting and second mounting are fixed the part that the reinforcing bar is located the incision both sides respectively for difficult emergence when cutting off removes, guarantees to cut off the effect.

Description

Steel bar cutting machine

Technical Field

The utility model belongs to the technical field of the construction steel bar processing, in particular to reinforcement cutting machine.

Background

A bar cutter is a tool used to cut a reinforcing bar. Reinforcing steel bars are often used in municipal engineering and civil engineering and building engineering, and a reinforcing steel bar cutting machine is needed when the reinforcing steel bars are processed into required lengths.

The Chinese patent with the publication number of CN102463312A discloses a steel bar cutting machine, which comprises two supports arranged side by side, wherein steel bars are arranged on the supports, a cutter is arranged right above the middle position of the two supports, the rear end of the cutter is fixed on a hydraulic cylinder, and the hydraulic cylinder is controlled by a motor to move.

The steel bar cutting device is simple in structure, steel bars are placed on the two supports, and the hydraulic cylinder above the middle of the steel bars drives the cutter to move downwards, so that the steel bars can be conveniently cut off. However, since the reinforcing bars are directly placed on the support, the reinforcing bars are likely to move during cutting, and the longer the reinforcing bars are, the more difficult the reinforcing bars are to be fixed, which may cause poor cutting effect due to movement of the reinforcing bars during cutting.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a reinforcement cutting machine fixes the part that the reinforcing bar is located the incision both sides respectively through first mounting and second mounting for the reinforcing bar is difficult for taking place to remove along the axial when cutting off, guarantees to cut off the effect.

The above technical purpose of the present invention can be achieved by the following technical solutions: a steel bar cutting machine comprises a workbench and a shear opening arranged on the workbench, wherein a first fixing piece and a second fixing piece which are distributed along the length of a steel bar are arranged on the workbench, the first fixing piece is arranged on one side of the shear opening back to the head of the steel bar and used for fixing the position of the steel bar close to the shear opening, the second fixing piece is arranged on one side of the shear opening facing the head of the steel bar and used for fixing the part of the steel bar to be cut, the first fixing piece comprises a first sliding groove, a first sliding block, a first positioning piece and a clamping piece, the first sliding groove is arranged on the workbench along the length direction of the steel bar, the first sliding block is connected in the first sliding groove in a sliding manner, the clamping piece comprises a second sliding groove, a left clamping block, a right clamping block and an adjusting rod, the adjusting rod is rotatably connected with the first sliding block, the adjusting rod is horizontally arranged, the adjusting rod is provided with two sections of threads with opposite thread directions, the left clamping block and the right clamping block are arranged in the second sliding groove in a sliding mode, the left clamping block and the right clamping block are connected to the adjusting rod through threads in different directions, and the first positioning piece is arranged between the first sliding block and the first sliding groove and used for positioning the position of the first sliding block in the first sliding groove.

Through adopting above-mentioned technical scheme, first mounting, the second mounting is fixed to the position that is close to and keeps away from the sheared edge of reinforcing bar respectively, the second mounting is when fixed, adjust the pole through rotating and can make left clamp splice and right clamp splice be close to each other or keep away from the reinforcing bar, thereby the realization is to the clamp of reinforcing bar tightly with unclamping, thereby the position of second mounting can be through sliding the fixed position that changes the second mounting with first slider along first spout, to longer reinforcing bar, slide first slider to the direction of keeping away from the sheared edge, to shorter reinforcing bar, slide first slider to the direction of being close to the sheared edge, thereby can both possess better fixed effect to the reinforcing bar of different length, thereby guarantee the shearing effect.

Further setting the following steps: the first positioning piece comprises a bolt, a first pin hole and a second pin hole, the first pin hole is formed in the workbench and distributed along the length direction of the first sliding groove, the second pin hole is formed in the first sliding block, and the bolt penetrates through the second pin hole and one of the first pin holes.

Through adopting above-mentioned technical scheme, when first slider slided appointed position, utilize the bolt to pass first pinhole, second pinhole and fix a position first slider, simple structure, convenient operation, location effect is good.

Further setting the following steps: the bolt is sleeved with a return spring, one end of the return spring is connected with the head of the bolt, and the other end of the return spring is connected to the end face, back to the first pin hole, of the second pin hole.

Through adopting above-mentioned technical scheme, when extracting first pinhole with the bolt, reset spring is elongated, and when releasing the bolt, the bolt can pass first pinhole under reset spring's effect, and it is more convenient to operate.

Further setting the following steps: the second mounting is including setting up mount on the workstation, the fixed briquetting and the locking bolt of threaded connection in the mount top that are used for conflicting the reinforcing bar, the locking bolt bottom rotates with fixed briquetting to be connected and follows locking bolt axial joint.

Through adopting above-mentioned technical scheme, when rotating locking bolt, locking bolt's bottom drives fixed briquetting and moves down to be close and contradict on the upper portion of reinforcing bar, thereby prevent that the reinforcing bar from being contradicted the position perk.

Further setting the following steps: be provided with restriction briquetting pivoted restriction spare between briquetting and the mount, the mount slide along reinforcing bar length direction connect on the workstation and with the workstation between be equipped with the retaining member, be provided with the sand grip that is used for the joint between two adjacent reinforcing bar ribs on the briquetting bottom surface.

By adopting the technical scheme, the fixed pressing block cannot rotate when the locking bolt rotates, and the fixed pressing block is prevented from rotating along with the locking bolt when the locking bolt rotates to drive the fixed pressing block to move downwards, so that the angle position of the fixed pressing block needs to be manually adjusted; the sand grip is used for the card between two adjacent steel bar ribs for fixed briquetting not only can prevent the reinforcing bar perk, can also play fixed effect on the axial displacement of reinforcing bar.

Further setting the following steps: the limiting piece comprises a guide hole and a guide pillar, and the guide pillar is fixed on the fixed pressing block and upwards penetrates through the guide hole.

Through adopting above-mentioned technical scheme, utilize the guide pillar to wear to establish to slide and prescribe a limit to in the guide hole, prevent that the fixed briquetting from rotating along with the locking bolt.

Further setting the following steps: the retaining member includes positioning bolt, set up the forked tail spout that extends along reinforcing bar length direction on the workstation, the mount bottom is provided with the forked tail slider, and the forked tail slider slides and connects in the forked tail spout, positioning bolt threaded connection on the forked tail slider and positioning bolt's top and forked tail spout tank bottom are inconsistent.

Through adopting above-mentioned technical scheme, when screwing up positioning bolt for the cell wall of forked tail slider ejecting forked tail spout upwards, thereby fix a position the workstation in the current position, simple structure, location and loosen convenient operation.

Further setting the following steps: be provided with fixed length piece on the workstation, fixed length piece is including fixed length board, fixed length slider and second setting element, set up the fixed length spout that extends along reinforcing bar length direction on the workstation, fixed length spout is located the one side of incision back to first mounting, fixed length slider slides and connects in fixed length spout and fix a position through the second setting element, fixed length board is fixed in fixed length slider and the surface is contradicted with the reinforcing bar head.

Through adopting above-mentioned technical scheme, after loosening the second setting element, along fixed length spout slip fixed length slider, decide the required length that the reinforcing bar was downcut through fixed length plate surface to the distance of cutting the mouth, then lock the second setting element, when cutting off at every turn later, all with the tip top of reinforcing bar on the face of fixed length plate orientation cutting the mouth to the length of the reinforcing bar that the assurance was cut off at every turn is the same.

Further setting the following steps: the second positioning part comprises a positioning pin and a positioning hole, the positioning hole is formed in the bottom of the fixed-length sliding groove and distributed along the length direction of the fixed-length sliding groove, and the positioning pin vertically penetrates through the positioning sliding block and is inserted into one of the positioning holes.

Through adopting above-mentioned technical scheme, utilize the locating pin to insert the location that the locating hole realized the fixed length slider, simple structure, location and loosen the convenience.

Further setting the following steps: be provided with two on the workstation and press the fixed piece, two go up to press the fixed piece and be located first mounting along reinforcing bar length direction's both sides respectively, it includes the last fixed frame of pressing, goes up to press fixed block and last pressure bolt to press the fixed piece, go up to press the fixed frame and slide and connect in first spout, go up to press the bolt threaded connection on last pressing the fixed frame and vertical setting downwards, it rotates to install in last pressing the bolt bottom and be located the reinforcing bar top to press the fixed block, it is provided with the third setting element to go up between fixed frame and the first spout to press.

By adopting the technical scheme, the upper pressing fixing block is utilized to press the steel bar, so that the steel bar cannot be upwarped when being cut off, and the fixing effect is better; when the fixing device is used, the third positioning piece is used for loosening and locking the position of the upper pressing fixing frame, the upper pressing fixing block and the reinforcing steel bar pressing part can be adjusted as required, and the fixing effect is improved.

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

1. the first fixing piece, the second fixing piece is fixed to the position that is close to and keeps away from the sheared edge of reinforcing bar respectively, the second fixing piece is when fixed, can make left clamp splice and right clamp splice be close to each other or keep away from the reinforcing bar through rotating the regulation pole, thereby realize the clamp tight and loosen the reinforcing bar, the position of second fixing piece can be through sliding first slider along first spout thereby change the fixed position of second fixing piece, for longer reinforcing bar, slide first slider to the direction of keeping away from the sheared edge, for shorter reinforcing bar, slide first slider to the direction of being close to the sheared edge, thereby can both possess better fixed effect to the reinforcing bar of different length, thereby guarantee the shearing effect;

2. when the bolt is pulled out of the first pin hole, the reset spring is stretched, and when the bolt is released, the bolt can pass through the first pin hole under the action of the reset spring, so that the operation is more convenient;

3. after loosening the second setting element, along fixed length spout slip fixed length slider, determine the required length that the reinforcing bar was downcut through the distance of fixed length slider to the sheared opening, then lock the second setting element, when later cutting off at every turn, all push up the tip of reinforcing bar on the face of fixed length slider towards the sheared opening to the length of the reinforcing bar of guaranteeing to cut off at every turn is the same.

Drawings

Fig. 1 is a schematic structural view of a reinforcement cutting machine according to the present embodiment;

FIG. 2 is a top view of the reinforcement cutting machine of the present embodiment;

fig. 3 is a schematic structural view illustrating a first fixing member of the reinforcement cutting machine according to the embodiment;

fig. 4 is a schematic structural view of a pressing fixing member in the reinforcement cutting machine according to the present embodiment;

fig. 5 is a schematic structural view illustrating a second fixing member of the reinforcement cutting machine according to the embodiment;

fig. 6 is a schematic bottom structure view of a fixed pressing block in the reinforcement cutting machine according to the embodiment;

fig. 7 is a schematic structural view of a fixed length member of the reinforcement cutting machine according to the present embodiment.

Reference numerals: 1. a work table; 11. cutting the opening; 2. a first fixing member; 21. a first chute; 22. a first slider; 23. a first positioning member; 231. a bolt; 232. a first pin hole; 233. a second pin hole; 234. positioning plates; 235. a return spring; 24. a clamping member; 25. a second chute; 26. a left clamp block; 27. a right clamp block; 28. adjusting a rod; 281. an adjusting handle; 282. a threaded segment; 29. an adjustment column; 3. pressing the fixing piece upwards; 31. pressing the fixing frame upwards; 32. pressing the fixed block upwards; 33. pressing the bolt upwards; 34. a third positioning member; 35. tightly abutting against the bolt; 36. a propping sheet; 361. tightly abutting against the screw hole; 4. a second fixing member; 41. a fixed mount; 42. fixing a pressing block; 421. a convex strip; 43. locking the bolt; 44. a dovetail chute; 45. a dovetail slide block; 5. a locking member; 51. positioning the screw hole; 52. a fixing sheet; 6. a limiting member; 61. a guide hole; 62. a guide post; 7. a fixed length member; 71. a fixed-length chute; 72. a fixed-length sliding block; 73. a second positioning member; 74. a fixed length plate; 81. positioning pins; 82. positioning holes; 83. a second positioning sheet; 84. and a third pin hole.

Detailed Description

The utility model provides a steel bar cutting machine, as shown in figure 1, including workstation 1, set up the incision 11 on workstation 1, be equipped with first mounting 2 on workstation 1, second mounting 4, two go up to press the fixed piece 3 and decide long piece 7, first mounting 2 and two go up to press the fixed piece 3 to be located one side that incision 11 is dorsad the reinforcing bar head, two go up to press the fixed piece 3 to be located the both sides of first mounting 2 along reinforcing bar length direction respectively, second mounting 4 and decide long piece 7 to be located incision 11 towards one side of reinforcing bar head.

As shown in fig. 2 and 3, the first fixing member 2 includes a first sliding slot 21, a first sliding block 22, a first positioning member 23, and a clamping member 24, the first positioning member 23 includes a bolt 231, a first pin hole 232, and a second pin hole 233, and the clamping member 24 includes a second sliding slot 25, a left clamping block 26, a right clamping block 27, and an adjusting rod 28.

First spout 21 is seted up on 1 surface of workstation and is located one side that incision 11 back to the reinforcing bar head, the length direction of first spout 21 is parallel with reinforcing bar length direction, first spout 21 have two and use the reinforcing bar to be symmetry each other as the symmetry axis, first slider 22 has two and slide respectively in two first spouts 21, an organic whole is connected with between two first sliders 22 and adjusts post 29, second spout 25 is seted up horizontally on adjusting post 29 and perpendicular with first spout 21, adjust the pole 28 and rotate and install in second spout 25, and both ends rotate respectively and install on the both ends wall of second spout 25, the one end of adjusting pole 28 just pierces through the end wall of second spout 25 and installs adjustment handle 281. The adjusting rod 28 is provided with screw thread sections 282 with opposite screw thread directions at two ends and symmetrical to each other by taking the steel bar as a symmetry axis on the portion of the second sliding slot 25, the left clamping block 26 and the right clamping block 27 are respectively in screw thread connection with the corresponding screw thread sections 282 on the adjusting rod 28 and symmetrical to each other by taking the steel bar as a symmetry axis, and the surfaces of the left clamping block 26 facing the right clamping block 27 form a clamping opening for clamping the steel bar.

As shown in fig. 2 and 3, the first pin holes 232 are opened in a plurality of numbers and are opened at the bottom of the first sliding groove 21, the first pin holes 232 are distributed along the length direction of the first sliding groove 21, the first slider 22 is integrally provided with the positioning piece 234, the bottom surface of the positioning piece 234 is attached to the surface of the workbench 1, the second pin holes 233 are opened on the positioning piece 234, the bolts 231 penetrate through the second pin holes 233 and one of the first pin holes 232 from top to bottom, the parts of the bolts 231 above the positioning piece 234 are sleeved with the return springs 235, the top ends of the return springs 235 are connected with the heads of the bolts 231, and the bottom ends of the return springs 235 are connected with the upper surface of the positioning piece 234.

As shown in fig. 2 and 4, the upper pressing fixing member 3 includes an upper pressing fixing frame 31, an upper pressing fixing block 32 and an upper pressing bolt 33, the upper pressing fixing frame 31 is slidably connected to the first sliding groove 21, the upper pressing bolt 33 is screwed on the upper pressing fixing frame 31 and vertically arranged downward, the upper pressing fixing block 32 is rotatably installed at the bottom of the upper pressing bolt 33 and located above the steel bar, and a third positioning member 34 is disposed between the upper pressing fixing frame 31 and the first sliding groove 21.

The third positioning member 34 includes a tightening bolt 35 and a tightening piece 36, the tightening piece 36 is integrally disposed on the upper pressing fixing frame 31, and the bottom surface of the tightening piece 36 is attached to the upper surface of the working table 1, a tightening screw hole 361 is formed in the surface of the tightening piece 36, the tightening bolt 35 is screwed into the tightening screw hole 361, and the bottom of the tightening bolt 35 is tightened against the surface of the working table 1.

As shown in fig. 1 and 5, the second fixing member 4 includes a fixing frame 41, a fixing pressing block 42 and a locking bolt 43, a dovetail sliding groove 44 extending along the length direction of the steel bar is provided on the workbench 1, the dovetail sliding groove 44 is located on one side of the end portion of the steel bar just like the shearing opening 11, bottom portions of two ends of the fixing frame 41 are integrally provided with a dovetail slider 45, the dovetail slider 45 is connected to the dovetail sliding groove 44 in a sliding manner, a locking member 5 is provided between the dovetail sliding groove 44 and the dovetail slider 45, the locking member 5 includes a positioning bolt, a fixing plate 52 is fixed to the dovetail slider 45, a vertical downward positioning screw hole 51 located above the dovetail sliding groove 44 is provided on the fixing plate 52, the positioning bolt is connected to the positioning screw hole 51 in a threaded manner, during locking, the bottom of the positioning bolt is abutted against the bottom of the dovetail sliding.

The locking bolt 43 is in threaded connection with the fixing frame 41 and is vertically arranged downwards, the fixing pressing block 42 is rotatably installed at the bottom of the locking bolt 43, a limiting part 6 which limits the fixing pressing block 42 to rotate along with the locking bolt 43 is arranged between the fixing pressing block and the fixing frame 41, the limiting part 6 comprises a guide hole 61 and a guide pillar 62, the guide pillar 62 is integrally arranged on one side face of the fixing pressing block 42, the guide hole 61 is arranged on the fixing frame 41, and the guide pillar 62 vertically extends upwards and penetrates through the guide hole 61.

As shown in fig. 5 and 6, the bottom surface of the fixing pressing block 42 is provided with a convex strip 421 for being clamped between two adjacent reinforcing steel bars. When the locking bolt 43 rotates to drive the fixing pressing block 42 to move downwards, the protruding strip 421 is clamped between two adjacent steel bar ribs to prevent the steel bars from moving axially.

As shown in fig. 2 and 7, the attachment 7 includes an attachment plate 74, an attachment slider 72, and a second positioning member 73, and the second positioning member 73 includes a positioning pin 81 and a positioning hole 82.

Fixed length spout 71 that extends along reinforcing bar length direction is seted up on 1 surface of workstation, and fixed length spout 71 is located one side of cutting opening 11 orientation reinforcing bar head, and fixed length spout 71 extends along reinforcing bar length direction and fixed length spout 71 is less than dovetail chute 44 to the distance of reinforcing bar. The fixed-length sliding block 72 is connected in the fixed-length sliding groove 71 in a sliding manner, the fixed-length plate 74 is fixed on the fixed-length sliding block 72, and the surface of the fixed-length plate 74 facing the shearing opening 11 is abutted to the end part of the steel bar.

The surface of the fixed length plate 74, which is opposite to the end of the steel bar, is integrally provided with a second positioning piece 83, the surface of the second positioning piece 83 is provided with a third pin hole 84, the positioning holes 82 are provided with a plurality of positioning holes which are distributed at the bottom of the fixed length sliding groove 71 along the length direction of the fixed length sliding groove 71, and the positioning pins 81 sequentially penetrate through the third pin hole 84 and one of the positioning holes 82 from top to bottom, so as to position the fixed length sliding block 72 in the fixed length sliding groove 71.

The use principle is as follows:

in use, the reinforcing bar is placed in the cutouts 11 and the heads to be cut are brought into contact with the surfaces of the length-fixing plates 74.

Then rotate two and go up the last bolt 33 that presses in pressing the fixed piece 3 for it supports the reinforcing bar to press the fixed block 32 to press tightly, rotate the regulation pole 28 and make left clamp splice 26 and right clamp splice 27 be close to each other and press from both sides tight reinforcing bar both sides, rotate locking bolt 43 and make fixed briquetting 42 compress tightly the reinforcing bar and the sand grip 421 card is between the adjacent rib on the reinforcing bar, then screw up positioning bolt, make forked tail slider 45 fix in forked tail spout 44, then cut off the reinforcing bar.

Then the positioning bolt and the locking bolt 43 are loosened, the adjusting rod 28 is slightly rotated to loosen the left clamping block 26 and the right clamping block 27, the two upper pressing bolts 33 are rotated to loosen the upper pressing fixing block 32, then the reinforcing steel bar is moved forward so that the head of the reinforcing steel bar is pressed against the fixed length plate 74 again, and then the above steps are repeated.

The fastening bolt 35 can be loosened to adjust the position of the upper pressing fixing member 3, the latch 231 can be pulled up to adjust the position of the first fixing member 2, and after the fastening bolt is released, the latch 231 moves downward, if the first pin hole 232 and the second pin hole 233 are aligned at this time, the latch 231 is inserted into the first pin hole 232 in a braking manner, and can also be automatically inserted when sliding and passing through the first pin hole 232.

The positioning pins 81 can be pulled up to adjust the position of the elongated plate 74, thereby changing the length of the reinforcing bars cut at each cutting. In use, the reinforcing bar is placed in the cutouts 11 and the heads to be cut are brought into contact with the surfaces of the length-fixing plates 74.

The positioning pins 81 can be pulled up to adjust the position of the elongated plate 74, thereby changing the length of the reinforcing bars cut at each cutting.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a steel bar cutting machine, includes workstation (1) and sets up shear socket (11) on workstation (1), its characterized in that: the steel bar shearing device is characterized in that a first fixing piece (2) and a second fixing piece (4) which are distributed along the length of a steel bar are arranged on the workbench (1), the first fixing piece (2) is arranged at a position, back to the head of the steel bar, of one side of the shear opening (11) and used for fixing the steel bar close to the shear opening (11), the second fixing piece (4) is arranged at a position, facing the head of the steel bar, of one side of the shear opening (11) and used for fixing the part of the steel bar to be sheared, the first fixing piece (2) comprises a first sliding groove (21), a first sliding block (22), a first positioning piece (23) and a clamping piece (24), the first sliding groove (21) is formed in the workbench (1) along the length direction of the steel bar, the first sliding block (22) is connected in the first sliding groove (21) in a sliding manner, the clamping piece (24) comprises a second sliding groove (25), a left clamping block (, the adjusting rod (28) is rotatably connected with the first sliding block (22), the adjusting rod (28) is horizontally placed and perpendicular to the first sliding groove (21), two threads with opposite thread directions are arranged on the adjusting rod (28), the left clamping block (26) and the right clamping block (27) are arranged in the second sliding groove (25) in a sliding mode, the left clamping block (26) and the right clamping block (27) are connected to the adjusting rod (28) in a threaded mode and located on threaded sections (282) in different directions, and the first positioning piece (23) is arranged between the first sliding block (22) and the first sliding groove (21) and used for positioning the position of the first sliding block (22) in the first sliding groove (21).

2. A bar cutter according to claim 1, wherein: the first positioning piece (23) comprises a bolt (231), a first pin hole (232) and a second pin hole (233), the first pin hole (232) is formed in the workbench (1) and distributed along the length direction of the first sliding groove (21), the second pin hole (233) is formed in the first sliding block (22), and the bolt (231) penetrates through the second pin hole (233) and one of the first pin holes (232).

3. A bar cutter according to claim 2, wherein: the bolt (231) is sleeved with a return spring (235), one end of the return spring (235) is connected with the head of the bolt (231), and the other end of the return spring is connected to the end face, back to the first pin hole (232), of the second pin hole (233).

4. A bar cutter according to claim 1, wherein: second mounting (4) are including setting up mount (41) on workstation (1), be used for conflicting fixed briquetting (42) and the locking bolt (43) of threaded connection in mount (41) top of reinforcing bar, locking bolt (43) bottom is rotated with fixed briquetting (42) and is connected and along locking bolt (43) axial joint.

5. The bar cutter according to claim 4, wherein: be provided with between briquetting (42) and mount (41) and restrict briquetting (42) pivoted restriction piece (6), mount (41) slide along reinforcing bar length direction connect on workstation (1) and with workstation (1) between be equipped with retaining member (5), be provided with on briquetting (42) bottom surface and be used for joint sand grip (421) between two adjacent reinforcing bar ribs.

6. The bar cutter according to claim 5, wherein: the limiting piece (6) comprises a guide hole (61) and a guide pillar (62), wherein the guide pillar (62) is fixed on the fixed pressing block (42) and upwards penetrates through the guide hole (61).

7. The bar cutter according to claim 5, wherein: retaining member (5) include positioning bolt, set up dovetail groove (44) that extend along reinforcing bar length direction on workstation (1), mount (41) bottom is provided with forked tail slider (45), and forked tail slider (45) slide and connect in dovetail groove (44), positioning bolt threaded connection on forked tail slider (45) and positioning bolt's top and dovetail groove (44) tank bottom are inconsistent.

8. A bar cutter according to claim 1, wherein: be provided with on workstation (1) and decide length piece (7), decide length piece (7) including deciding length board (74), fixed length slider (72) and second setting element (73), set up fixed length spout (71) that extend along reinforcing bar length direction on workstation (1), fixed length spout (71) are located one side of shear mouth (11) dorsad first mounting (2), fixed length slider (72) slide connect in fixed length spout (71) and fix a position through second setting element (73), decide length board (74) be fixed in fixed length slider (72) on and the surface contradict with the reinforcing bar head.

9. The bar cutter according to claim 8, wherein: the second positioning part (73) comprises a positioning pin (81) and a positioning hole (82), the positioning hole (82) is arranged at the bottom of the fixed-length sliding groove (71) and distributed along the length direction of the fixed-length sliding groove (71), and the positioning pin (81) vertically penetrates through the positioning sliding block and is inserted into one of the positioning holes (82).

10. A bar cutter according to claim 1, wherein: be provided with two on workstation (1) and press fixed piece (3), two on press fixed piece (3) to be located first mounting (2) respectively along reinforcing bar length direction's both sides, on press fixed piece (3) including last pressure fixed frame (31), go up pressure fixed block (32) and go up pressure bolt (33), go up pressure fixed frame (31) and slide and connect in first spout (21), go up pressure bolt (33) threaded connection and vertical setting down on last pressure fixed frame (31), it installs in last pressure bolt (33) bottom and is located the reinforcing bar top to go up pressure fixed block (32) rotation, on press and be provided with third setting element (34) between fixed frame (31) and first spout (21).