A steel bar biting machine for construction

Abstract

The present invention relates to the technical field of building steel bar cutting and processing, and specifically to a steel bar biting machine for construction. A plurality of groups of telescopic inner cavities distributed in a circumferential array are arranged on the inner wall of a through groove, a circular air bag ring is sleeved on the inner side of the telescopic inner cavity, a roller is arranged at the port position of the telescopic inner cavity, and one side outer wall of the roller extends into the through groove. The beneficial effects are: by setting the cooperation of the induction plate in the support frame, the frame and the adjustment frame, the intelligent induction control of the extended steel bar length is realized, so as to achieve the purpose of fixed-length cutting, and at the same time, a guide component with a telescopic rod drive is used to clamp and fix the steel bar end while driving the steel bar to extend horizontally and parallelly, so as to avoid the reduction of length accuracy caused by the bending of the steel bar end, and greatly improve the cutting accuracy.

Description

Technical Field

[0001] The invention relates to the technical field of building steel bar cutting and processing, in particular to a steel bar biting machine for building construction. Background Art

[0002] Construction is a production activity in which people use various building materials, mechanical equipment and specific design blueprints to build various types of construction products within a certain space and time. It can also be said to be the process of turning various lines on the design drawings into physical objects at designated locations. It includes foundation engineering construction, main structure construction, roofing engineering construction, decoration engineering construction, etc. Construction is a technically complex production process.

[0003] In existing steel bar cutting machines, the length of the processed raw materials is often measured manually, and the position of the raw materials cannot be fixed during use, which makes it easy for them to shake, resulting in poor practicality. In addition, the center of gravity of existing steel bars is easily shifted during the cutting and extending process, especially for the cutting of longer steel bars, the ends of which will bend downward, thereby reducing the accuracy of the cutting length. Summary of the invention

[0004] The purpose of the present invention is to provide a steel bar cutting machine for construction to solve the problem of limiting the length of cut steel bars and fixing the ends.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A steel bar biting machine for construction, the steel bar biting machine comprising:

[0007] A support frame, the support frame is fixedly mounted on the left side of the base, and a pair of first guide rollers and second guide rollers distributed up and down are symmetrically mounted on the support frame;

[0008] A cutting frame, wherein a fixed cutter and a movable cutter are arranged in an inner cavity of the cutting frame, and a hydraulic cylinder is fixedly installed on the upper end of the cutting frame, wherein the fixed cutter is located at the lower end of the gap between the first guide roller and the second guide roller, and the movable cutter is slidably plugged on the cutting frame, and a lifting column facing the upper end of the movable cutter is arranged on the upper end of the hydraulic cylinder;

[0009] An adjusting frame, wherein a slider is slidably installed in the adjusting frame, a bracket is provided at the upper end of the slider, and a sensing plate with an end surface facing the cutting frame is fixedly installed on the bracket;

[0010] A guide assembly, the guide assembly includes a positioning frame and a telescopic rod, one end of the four groups of telescopic rods distributed in a matrix are installed on the cutting frame, and the other end of the telescopic rod is connected to the positioning frame, a through groove is arranged in the middle of the positioning frame, the through groove is directly opposite to the gap between the fixed cutter and the movable cutter, a plurality of groups of telescopic cavities distributed in a circular array are arranged on the inner wall of the through groove, a circular airbag ring is sleeved on the inner side of the telescopic cavity, a roller is arranged at the port position of the telescopic cavity, one side outer wall of the roller extends into the through groove, a second spring is pressed between the other side of the roller and the airbag ring, and an air pump is connected to the input end of the airbag ring.

[0011] Preferably, an adjustment groove is vertically provided at the upper end of the support frame, lifting blocks are provided at both ends of the second guide roller, a guide column is vertically provided in the adjustment groove, the lifting block is sleeved on the guide column, and a first spring sleeved on the outer wall of the guide column is vertically provided at the upper end of the lifting block.

[0012] Preferably, a second slot is provided in the inner cavity of the fixed cutter and the movable cutter, and the second slot is configured as a T-shaped inner cavity, a pair of telescopic plates are slidably inserted at both ends of the inner cavity extending transversely of the second slot, a pull block is installed in the vertical groove of the second slot, and the pull block and the telescopic plate are connected by a T-shaped pull rope.

[0013] Preferably, a pull handle is provided at the upper end of the pull block, a pair of third springs are sleeved on the transversely extending end of the T-shaped pull rope, the third spring is pressed into the second slot, the telescopic plate screws at both ends of the fixed cutter are installed on the inner wall of the cutting frame, an elastic band is provided on the inner wall of the cutting frame located at the upper end of the fixed cutter, and the telescopic plates on both sides of the movable cutter are slidably sleeved on the elastic band.

[0014] Preferably, a pair of front-to-rear symmetrical slide grooves are transversely penetrated through the upper end of the cutting frame, a pair of clamping side plates are symmetrically installed on the upper end of the cutting frame, a second plug block inserted in the slide groove is provided at the upper end of the clamping side plate, a pair of left-right symmetrical clamping frames are provided at the lower end of the hydraulic cylinder, a clamping plate clamped on the clamping frame is provided at the lower end of the clamping side plate, and the left-right symmetrical pair of second plug blocks are connected by a second elastic rope.

[0015] Preferably, a limit plate mounted with screws is provided at the end of the telescopic inner cavity, the roller passes through the limit plate, and the arc outer wall of the roller extends into the through groove.

[0016] Preferably, first slots are provided on the left and right sides of the cross beams at the upper and lower ends of the positioning frame, and first plug blocks are provided at both ends of the telescopic rod. The first plug block at one end of the telescopic rod is plugged into the first slot, and a pair of adjacent first plug blocks are fixedly connected by a first elastic rope, and a clamping block that is clamped on the cutting frame is provided on the first plug block at the other end of the telescopic rod.

[0017] Preferably, a screw is rotatably mounted on a bearing in the adjusting frame, the slider is threadably sleeved on the screw, and an induction plate electrically connected to the air pump and the hydraulic cylinder is provided at the upper end of the slider.

[0018] Preferably, the bracket at the upper end of the sliding block is provided with an electric telescopic column, and the outer wall of the induction plate is provided with a connecting mounting block, and the mounting block is fixed to the bracket by fastening screws.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] The present invention realizes intelligent sensing control of the extended length of the steel bar by arranging the cooperation of the sensing plate in the support frame, the frame and the adjustment frame, so as to achieve the purpose of fixed-length cutting. At the same time, a guide component driven by a telescopic rod is used to clamp and fix the end of the steel bar while driving the steel bar to extend horizontally and parallelly, so as to avoid the reduction of length accuracy caused by bending of the steel bar end, thereby greatly improving the cutting accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the present invention;

[0022] Figure 2 It is a schematic diagram of the support frame structure of the present invention;

[0023] Figure 3 for Figure 1 A magnified view of the structure at center;

[0024] Figure 4 It is a schematic diagram of the three-dimensional structure of the guide assembly of the present invention;

[0025] Figure 5 It is a schematic diagram of the structure of the guide assembly of the present invention;

[0026] Figure 6 It is a schematic diagram of the structure of the cutting frame of the present invention;

[0027] Figure 7 It is a schematic diagram of the three-dimensional structure of the movable cutter of the present invention;

[0028] Figure 8 It is a schematic diagram of the three-dimensional structure of the clamping side plate of the present invention.

[0029] In the figure: 1, base; 2, support frame; 3, first guide roller; 4, second guide roller; 5, first spring; 6, guide column; 7, cutting frame; 8, fixed cutter; 9, movable cutter; 10, hydraulic cylinder; 11, clamping frame; 12, lifting column; 13, clamping side plate; 14, telescopic rod; 15, elastic band; 16, adjustment frame; 17, slider; 18, screw; 19, bracket; 20, mounting block; 21, fastening screw; 22, induction plate; 23, adjustment Sectional slot; 24, lifting block; 25, positioning frame; 26, first slot; 27, first elastic cord; 28, first plug-in block; 29, telescopic inner cavity; 30, airbag ring; 31, second spring; 32, limit plate; 33, roller; 34, air pump; 35, through slot; 36, clamping block; 37, pulling block; 38, telescopic plate; 39, second slot; 40, third spring; 41, T-shaped pull cord; 42, clamping plate; 43, second elastic cord; 44, second plug-in block. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] See also Figures 1 to 8 , the present invention provides a technical solution:

[0032] Embodiment 1:

[0033] A steel bar biting machine for construction, comprising a support frame 2, a cutting frame 7, an adjustment frame 16 and a guide assembly.

[0034] The support frame 2 is fixedly installed on the left side of the base 1. A pair of first guide rollers 3 and second guide rollers 4 distributed up and down are symmetrically installed on the support frame 2. The first guide rollers 3 and the second guide rollers 4 are arranged to guide and limit the insertion of the steel bars.

[0035] A fixed cutter 8 and a movable cutter 9 are arranged in the inner cavity of the cutting frame 7, and a hydraulic cylinder 10 is fixedly installed on the upper end of the cutting frame 7. The fixed cutter 8 is located at the lower end of the gap between the first guide roller 3 and the second guide roller 4. The movable cutter 9 is slidably inserted on the cutting frame 7. A lifting column 12 facing the upper end of the movable cutter 9 is arranged on the hydraulic cylinder 10.

[0036] The hydraulic cylinder 10 is provided to drive the lifting column 12 to descend, thereby squeezing the movable cutter 9 to descend, and realizing engagement with the fixed cutter 8, so as to achieve the purpose of cutting the steel bar.

[0037] A slider 17 is slidably mounted in the adjusting frame 16 , a bracket 19 is disposed at the upper end of the slider 17 , and a sensing plate 22 with its end surface facing the cutting frame 7 is fixedly mounted on the bracket 19 .

[0038] The distance of the induction plate 22 can be adjusted by providing a slidingly mounted slider 17, so as to adapt to the requirements of cutting steel bars of different lengths and achieve the purpose of automatically sensing and controlling the cutting length of the steel bars.

[0039] The guide assembly includes a positioning frame 25 and a telescopic rod 14. One end of the four groups of telescopic rods 14 distributed in a matrix are installed on the cutting frame 7, and the other end of the telescopic rod 14 is connected to the positioning frame 25. A through groove 35 is arranged in the middle of the positioning frame 25. The through groove 35 is opposite to the gap between the fixed cutter 8 and the movable cutter 9. A plurality of groups of telescopic cavities 29 distributed in a circular array are arranged on the inner wall of the through groove 35. A circular airbag ring 30 is sleeved on the inner side of the telescopic cavity 29. A roller 33 is arranged at the port position of the telescopic cavity 29. The outer wall of one side of the roller 33 extends into the through groove 35. A second spring 31 is pressed between the other side of the roller 33 and the airbag ring 30. The input end of the airbag ring 30 is connected to an air pump 34.

[0040] By providing a through groove 35 with a roller, the steel bar is positioned and clamped to avoid axial rotation of the steel bar during cutting and extension. The air pump 34 is used to inject air into the airbag ring 30 to squeeze the second spring 31, so that the roller 33 is tightly pressed against the end of the steel bar, and the extension of the telescopic rod 14 is coordinated to achieve the purpose of driving the extension of the steel bar length, so that the free end of the steel bar is tightened and clamped to achieve lateral parallel extension and avoid bending, thereby greatly improving the cutting accuracy.

[0041] Embodiment 2:

[0042] On the basis of Example 1, in order to adapt to the guiding clamps of steel bars with different outer diameters, an adjustment groove 23 is vertically arranged at the upper end of the support frame 2, lifting blocks 24 are arranged at both ends of the second guide roller 4, a guide column 6 is vertically arranged in the adjustment groove 23, the lifting block 24 is sleeved on the guide column 6, and a first spring 5 sleeved on the outer wall of the guide column 6 is vertically arranged at the upper end of the lifting block 24.

[0043] By setting a lifting block 24 with a first spring 5 for resetting and squeezing, the elastic lifting installation of the second guide roller 4 is realized, so that the gap between the second guide roller 4 and the first guide roller 3 can be adjusted according to the outer diameter of the steel bar, thereby achieving the purpose of increasing the adaptation range while maintaining the tightening limit.

[0044] Embodiment 3:

[0045] On the basis of Example 2, in order to realize convenient installation of the fixed cutter 8 and the movable cutter 9, a second slot 39 is further provided in the inner cavity of the fixed cutter 8 and the movable cutter 9, and the second slot 39 is set as a T-shaped inner cavity. A pair of telescopic plates 38 are slidably inserted at both ends of the inner cavity extending transversely of the second slot 39, and a pull block 37 is installed in the vertical groove of the second slot 39. The pull block 37 and the telescopic plate 38 are connected by a T-shaped pull rope 41. A pull handle is provided at the upper end of the pull block 37. A pair of third springs 40 are sleeved at the transversely extending end of the T-shaped pull rope 41. The third spring 40 is pressed into the second slot 39, and the telescopic plates 38 at both ends of the fixed cutter 8 are screwed on the inner wall of the cutting frame 7. An elastic band 15 is provided on the inner wall of the cutting frame 7 located at the upper end of the fixed cutter 8, and the telescopic plates 38 on both sides of the movable cutter 9 are slidably sleeved on the elastic band 15.

[0046] By setting the cooperation between the T-shaped pull rope 41 and the pull block 37, when the fixed cutter 8 and the movable cutter 9 are installed, the T-shaped pull rope 41 is pulled outward by the pull block 37, driving the telescopic plate 38 to press the third spring 40 and store it in the second slot 39, so as to facilitate the position insertion of the fixed cutter 8 and the movable cutter 9. After the insertion is completed, the telescopic plate 38 is extended and clamped under the reset elastic force of the third spring 40 to achieve the purpose of positioning and installation. By setting the elastic band 15 to connect the movable cutter 9, the movable cutter 9 can be automatically reset after cutting through the reset elastic force of the elastic band 15.

[0047] Embodiment 4:

[0048] On the basis of Example 3, in order to realize the convenient and detachable installation of the hydraulic cylinder 10, a pair of front-to-back symmetrical slide grooves are transversely penetrated through the upper end of the cutting frame 7, a pair of clamping side plates 13 are symmetrically installed on the upper end of the cutting frame 7, and the upper end of the clamping side plates 13 is provided with a second plug block 44 inserted in the slide groove, and the lower end of the hydraulic cylinder 10 is provided with a pair of left-right symmetrical clamping frames 11, and the lower end of the clamping side plates 13 is provided with a clamping plate 42 clamped on the clamping frame 11, and the left-right symmetrical pair of second plug blocks 44 are connected by a second elastic rope 43.

[0049] The symmetrically distributed second plug blocks 44 are connected through the second elastic cord 43. During the installation process, the second plug blocks 44 are pulled outward to extend the second elastic cord 43, which facilitates the plug-in installation of the hydraulic cylinder 10. After installation, under the reset elastic force of the second elastic cord 43, the clamping plate 42 is plugged into the clamping frame 11, so as to support and fix the lower end of the hydraulic cylinder 10.

[0050] Embodiment 5:

[0051] On the basis of Example 4, in order to limit the position of the roller 33 and prevent the roller 33 from falling off due to the lateral thrust force during the extension of the steel bar, a limit plate 32 installed with screws is provided at the end of the telescopic inner cavity 29, and the roller 33 passes through the limit plate 32, and the arc outer wall of the roller 33 extends into the through groove 35.

[0052] The limit plate 32 is provided to limit the extension length of the roller 33 to prevent the roller 33 from falling off due to excessive extension, thereby achieving control of the squeezing and clamping force of the roller 33.

[0053] Embodiment 6:

[0054] On the basis of Example 5, in order to realize the convenient and detachable installation of the positioning frame 25 on the cutting frame 7, first slots 26 are provided on the left and right sides of the upper and lower end beams of the positioning frame 25, and first plug blocks 28 are provided at both ends of the telescopic rod 14. The first plug block 28 at one end of the telescopic rod 14 is inserted into the first slot 26, and a pair of adjacent first plug blocks 28 are fixedly connected by a first elastic rope 27. A clamping block 36 that is clamped on the cutting frame 7 is provided on the first plug block 28 at the other end of the telescopic rod 14.

[0055] By the cooperation between the first plug block 28 and the first elastic cord 27, an elastic plug-in connection between the telescopic rods 14 is realized, so that during the installation process, the positioning installation is realized by extending the first elastic cord 27, and the plug-in installation of the two ends of the telescopic rod 14 is realized under the reset elastic force of the first elastic cord 27 and the clamping of the clamping block 36.

[0056] Embodiment 7:

[0057] On the basis of Example 6, in order to realize convenient adjustment and fixation of the lateral position of the slider 17, a screw 18 is rotatably installed on a bearing in the adjustment frame 16, and the slider 17 is threadedly rotatably sleeved on the screw 18. The upper end of the slider 17 is provided with an induction plate 22 electrically connected to the air pump 34 and the hydraulic cylinder 10. The screw 18 cooperates with the thread of the slider 17, so that the lateral position of the slider 17 can be adjusted by rotating the screw 18, so that the induction plate 2 can adapt to cutting of different lengths.

[0058] Embodiment 8:

[0059] On the basis of Example 7, in order to enable the induction plate 22 to adapt to steel bars of different heights, an electric telescopic column is provided on the bracket 19 at the upper end of the slider 17, and a connecting mounting block 20 is provided on the outer wall of the induction plate 22, and the mounting block 20 is fixed to the bracket 19 by fastening screws 21.

[0060] By setting the bracket 19 as a television telescopic column structure, the height of the induction plate 22 can be conveniently adjusted to adapt to the cutting of steel bars with different outer diameters.

[0061] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A steel bar biting machine for construction, characterized in that: The steel bar biting machine comprises: A support frame (2), the support frame (2) being fixedly mounted on the left side of the base (1), and a pair of first guide rollers (3) and second guide rollers (4) being symmetrically mounted on the support frame (2) and distributed up and down; A cutting frame (7), wherein an inner cavity of the cutting frame (7) is provided with a fixed cutting knife (8) and a movable cutting knife (9) which are distributed up and down, a hydraulic cylinder (10) is fixedly mounted on the upper end of the cutting frame (7), the fixed cutting knife (8) is located at the lower end of the gap between the first guide roller (3) and the second guide roller (4), the movable cutting knife (9) is slidably plugged on the cutting frame (7), and a lifting column (12) facing the upper end of the movable cutting knife (9) is provided on the hydraulic cylinder (10), and the lifting column (12) is driven to descend by the hydraulic cylinder (10), thereby squeezing the movable cutting knife (9) to descend; An adjusting frame (16), wherein a slider (17) is slidably mounted in the adjusting frame (16), a bracket (19) is provided at the upper end of the slider (17), and a sensing plate (22) is fixedly mounted on the bracket (19) with its end surface facing the cutting frame (7); A guide assembly, the guide assembly comprising a positioning frame (25) and telescopic rods (14), one end of four groups of telescopic rods (14) arranged in a matrix are mounted on the cutting frame (7), the other end of the telescopic rods (14) are connected to the positioning frame (25), a through groove (35) is provided through the middle of the positioning frame (25), the through groove (35) is directly opposite to the gap between the fixed cutter (8) and the movable cutter (9), a plurality of groups of telescopic inner cavities (29) distributed in a circumferential array are provided on the inner wall of the through groove (35), a circular airbag ring (30) is sleeved on the inner side of the telescopic inner cavity (29), a roller (33) is provided at the port position of the telescopic inner cavity (29), one side outer wall of the roller (33) extends into the through groove (35), a second spring (31) is pressed between the other side of the roller (33) and the airbag ring (30), and an air pump (34) is connected to the input end of the airbag ring (30); A second slot (39) is provided in the inner cavity of the fixed cutter (8) and the movable cutter (9), and the second slot (39) is set as a T-shaped inner cavity. A pair of telescopic plates (38) are slidably inserted at both ends of the inner cavity extending transversely of the second slot (39). A pull block (37) is installed in the vertical groove of the second slot (39). The pull block (37) and the telescopic plate (38) are connected by a T-shaped pull rope (41). A pull handle is provided at the upper end of the pull block (37). A pair of third springs (40) are sleeved at the transversely extending end of the T-shaped pull rope (41). The third springs (40) are pressed into the second slot (39). The telescopic plates (38) at both ends of the fixed cutter (8) are screwed together. The cutting frame (7) is mounted on the inner wall of the cutting frame (7). The cutting frame (7) is provided with an elastic band (15). The telescopic plates (38) on both sides of the movable cutting knife (9) are slidably sleeved on the elastic band (15). A screw rod (18) is rotatably mounted on a bearing in the adjusting frame (16). The sliding block (17) is threadedly sleeved on the screw rod (18). The upper end of the sliding block (17) is provided with a sensing plate (22) electrically connected to an air pump (34) and a hydraulic cylinder (10). The bracket (19) at the upper end of the sliding block (17) is provided with an electric telescopic column. The outer wall of the sensing plate (22) is provided with a connecting mounting block (20). The mounting block (20) is fixed to the bracket (19) by a fastening screw (21).

2. A steel bar biting machine for construction according to claim 1, characterized in that: An adjustment slot (23) is vertically arranged at the upper end of the support frame (2), lifting blocks (24) are arranged at both ends of the second guide roller (4), a guide column (6) is vertically arranged in the adjustment slot (23), the lifting block (24) is sleeved on the guide column (6), and a first spring (5) sleeved on the outer wall of the guide column (6) is vertically arranged at the upper end of the lifting block (24).

3. A steel bar biting machine for construction according to claim 1, characterized in that: A pair of front-to-rear symmetrical slide grooves are disposed transversely through the upper end of the cutting frame (7); a pair of clamping side plates (13) are symmetrically mounted on the upper end of the cutting frame (7); a second plug block (44) plugged into the slide groove is disposed at the upper end of the clamping side plate (13); a pair of left-right symmetrical clamping frames (11) are disposed at the lower end of the hydraulic cylinder (10); a clamping plate (42) clamped onto the clamping frame (11) is disposed at the lower end of the clamping side plate (13); and the left-right symmetrical pair of second plug blocks (44) are connected via a second elastic rope (43).

4. A steel bar cutting machine for construction according to claim 1, characterized in that: A limit plate (32) mounted with screws is provided at the end of the telescopic inner cavity (29); the roller (33) passes through the limit plate (32); and the arc outer wall of the roller (33) extends into the through groove (35).

5. The steel bar biting machine for construction according to claim 1, characterized in that: The left and right sides of the cross beams at the upper and lower ends of the positioning frame (25) are both provided with first slots (28); both ends of the telescopic rod (14) are both provided with first plug blocks (26); the first plug block (26) at one end of the telescopic rod (14) is plugged into the first slot (28); a pair of adjacent first plug blocks (26) are fixedly connected via a first elastic rope (27); and a clamping block (36) clamped on the cutting frame (7) is provided on the first plug block (26) at the other end of the telescopic rod (14).

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