Cutting-off equipment for construction steel bar machining

Abstract

The utility model relates to the technical field of construction steel bar processing, in particular to cutting equipment for construction steel bar processing, which comprises a base, cutting cavities are arranged on two sides of the base in a penetrating manner, two shearing tool bits staggered in position are mounted in the cutting cavities in a telescopic sliding manner, and a clamping component is arranged in the cutting cavities and comprises triangular plates mounted at two cavities of the cutting cavities. According to the steel bar shearing device, the triangular plate is arranged in the shearing cavity, and the balls are embedded in the bevel edges of the triangular plate in a rolling mode, so that friction resistance during moving and adjusting of the steel bars can be reduced through the balls, and meanwhile abrasion between the surfaces of the steel bars and the inner wall of the cutting-off cavity can be reduced; the two extrusion plates are finally driven to abut against the ground through related transmission assemblies, so that the whole equipment is kept stable at the moment when the reinforcing steel bars are sheared, the extrusion plates synchronously ascend when the two shearing tool bits are pulled open after shearing is completed, movement of the whole shearing equipment is facilitated, and the shearing device has the advantage of being convenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of construction steel bar processing, in particular to a cutting device for construction steel bar processing. Background Art

[0002] The horizontal steel bar cutting machine is driven by an electric motor, which drives the eccentric shaft to rotate through a V-belt pulley and a cylindrical gear reducer. A connecting rod is installed on the eccentric shaft, which drives the slider and the moving blade to reciprocate in the slide of the machine base, and cooperates with the fixed blade fixed on the machine base to shear the steel bar.

[0003] The Chinese utility model patent with the authorization announcement number CN220005788U is specifically a "steel cutting device for construction", and the beneficial effects section of its specification states that "the motor is started to rotate the electric cutting wheel to cut the steel bars, and then the electric telescopic rod is driven to move forward and backward by the moving slide, and the electric telescopic rod drives the motor and cutting wheel on the opening box to move forward and backward, and a row of steel bars are cut one by one, thereby increasing the cutting efficiency";

[0004] Although it has the advantages of convenient and fast cutting and increased cutting efficiency, the surface of the steel bar is not smooth. When the steel bar cutting position needs to be adjusted, the steel bar surface and the placement frame rub against each other, which not only increases the resistance of the steel bar adjustment position, but also increases the wear between the steel bar and the inner wall of the placement frame groove, which is inconvenient to use. More importantly, the horizontal steel bar cutting machine on the market currently has moving wheels installed at the bottom for easy movement, but the setting of the moving wheels will reduce the stability of the horizontal steel bar cutting machine when shearing the steel bar, which is easy to cause the steel bar to shake, thereby causing shearing errors, which is also inconvenient to use. Utility Model Content

[0005] In view of the above-mentioned shortcomings of the prior art, the utility model provides a cutting device for processing construction steel bars, which can effectively solve the problem of the inconvenience of using the prior art.

[0006] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0007] The utility model provides a cutting device for processing building steel bars, comprising a machine base, with cutting cavities penetrating on both sides of the machine base, two shearing heads at staggered positions being telescopically and slidably installed in the cutting cavities, a clamping assembly being arranged in the cutting cavities, comprising triangular plates installed at the two cavities of the cutting cavities, and balls embedded and rollingly installed on the oblique edges of the triangular plates, the clamping assembly also comprising an arc-shaped extrusion block which is lifted and slidably installed in the cutting cavities, a limiting assembly being arranged in the machine base, comprising an L-shaped rack which telescopically and slidably moves synchronously with the shearing head, and a driven rack which lifts and slides synchronously with the L-shaped rack, the bottom of the driven rack being installed with an extrusion plate extending to the bottom of the machine base.

[0008] Furthermore, a receiving groove is provided on the top of the upper cavity of the truncation cavity, and the two arc-shaped extrusion blocks are both installed in the receiving groove for lifting and sliding, and moving wheels are installed on both sides of the machine base.

[0009] Furthermore, a lifting cylinder is fixedly installed on the top of the machine base, and the output end of the lifting cylinder is connected to a lifting frame that extends into the storage groove and is installed on the top of the two arc-shaped extrusion blocks.

[0010] Furthermore, telescopic cylinders are fixedly installed on both sides of the top of the machine base, a telescopic rod is installed between the output end of the telescopic cylinder and the shearing head, and the top end of the L-shaped rack is installed at the bottom of the corresponding telescopic rod.

[0011] Furthermore, the bottom ends of the L-shaped racks are meshed with a plurality of first gears, a second gear meshed with a driven rack is fixedly mounted on one side of the first gear, and a rotating shaft rotatably mounted between two opposite inner cavity walls of the machine base is commonly passed through and fixed at the center positions of the first and second gears.

[0012] Furthermore, a fixing seat is provided in the inner cavity of the machine base, fixing rods are installed between two opposite outer walls of the fixing seat and two opposite inner cavity walls of the machine base, and the driven rack is installed with limited sliding between the fixing seat.

[0013] Compared with the known prior art, the technical solution provided by the utility model has the following advantages:

[0014] Beneficial effects:

[0015] 1. First, a positioning seat is detachably placed at the bottom of the cut-off cavity through which the steel bar passes, and a plurality of balls distributed in a rectangular array are embedded and rolled on the positioning seat. The bottom of the steel bar inserted into the cut-off cavity is in rolling contact with the plurality of balls. The balls can reduce the friction resistance when the steel bar is moved and adjusted, and can also reduce the wear between the steel bar surface and the inner wall of the cut-off cavity, which is initially easy to use;

[0016] 2. When the two shear heads approach each other to shear the steel bars, the two extrusion plates will be driven down through the relevant transmission components until they touch the ground, so that the entire shearing device remains stable at the moment the steel bars are sheared, and when the two shear heads are moved apart after shearing, the extrusion plates rise synchronously, which facilitates the movement of the entire shearing equipment and is further easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the installation structure of the arc-shaped extrusion block of the utility model;

[0020] Figure 3 This is a schematic diagram of the installation structure of the limit fixing component of the utility model;

[0021] Figure 4 For this utility model Figure 3 Schematic diagram of the limit fixing component structure;

[0022] Figure 5 For this utility model Figure 4 A is an enlarged structural diagram of FIG.

[0023] The numbers in the figure represent: 1. machine base; 11. cut-off chamber; 12. triangular plate; 13. ball bearing; 14. moving wheel; 2. lifting cylinder; 21. lifting frame; 22. arc-shaped extrusion block; 3. telescopic cylinder; 31. telescopic rod; 32. shearing blade; 33. L-shaped rack; 34. first gear; 35. second gear; 36. rotating shaft; 37. driven rack; 38. extrusion plate; 39. fixed seat; 310. fixed rod. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] The utility model is further described below in conjunction with embodiments.

[0026] Example 1

[0027] Reference Figure 1-5, which is the first embodiment of the utility model, a cutting device for processing building steel bars, including a machine base 1, with cutting cavities 11 penetrating both sides of the machine base 1, the steel bars pass through the cutting cavities 11, and are taken out from the cutting cavities 11 after cutting, and two shearing heads 32 with staggered positions are telescopically and slidably installed in the cutting cavity 11, and a certain point of the steel bar is cut by the two shearing heads 32 approaching each other, and a clamping assembly is arranged in the cutting cavity 11, including a triangular plate 12 installed at the two cavities of the cutting cavity 11, and a ball 13 embedded and rollingly installed on the oblique edge of the triangular plate 12, and a plurality of balls 13 can reduce the friction resistance when moving the steel bar, and at the same time reduce the wear on the steel bar and the inner wall of the cutting cavity 11. The clamping assembly also includes an arc-shaped extrusion block 22 that is lifted and slidably installed in the truncation cavity 11. The two arc-shaped extrusion blocks 22 are located on both sides of the shearing cutter head 32. After the height is lowered, they abut against the upper surface of the steel bar to achieve the limit fixation of the steel bar, and will not affect the shearing cutter head 32 to cut the steel bar. The limit assembly is arranged in the machine base 1, including an L-shaped rack 33 that slides synchronously with the shearing cutter head 32 and a driven rack 37 that slides synchronously with the L-shaped rack 33. In the utility model, the number of the driven rack 37, the first gear 34 and the second gear 35 under the two L-shaped racks 33 is three, and the bottom of the driven rack 37 is installed to extend to the extrusion plate 38 under the machine base 1. Figure 3 It can be known that a through hole is opened through the inner cavity at the bottom of the machine base 1 to allow the extrusion plate 38 to pass through. When the shear head 32 cuts the steel bars, the extrusion plate 38 extends from the through hole and contacts the ground, thereby improving the stability of the entire equipment when the shear head 32 cuts the steel bars.

[0028] Example 2

[0029] Reference Figure 1-5, which is the second embodiment of the utility model. This embodiment is different from the first embodiment in that: a storage groove is provided on the top of the cutting cavity 11, and two arc-shaped extrusion blocks 22 are both lifted and slidably installed in the storage groove, so that the steel bars will not touch the two arc-shaped extrusion blocks 22 when they are placed in the cutting cavity 11. Moving wheels 14 are installed on both sides of the machine base 1 to facilitate the movement of the entire equipment. A lifting cylinder 2 is fixedly installed on the top of the machine base 1, and the output end of the lifting cylinder 2 is connected to a lifting frame 21 that extends into the storage groove and is installed on the top of the two arc-shaped extrusion blocks 22. Telescopic oil cylinders 3 are fixedly installed on both sides of the top of the machine base 1, and a telescopic rod 31 is installed between the output end of the telescopic oil cylinder 3 and the shearing cutter head 32. L The top of the L-shaped rack 33 is installed at the bottom of the corresponding telescopic rod 31, and the bottom end of the L-shaped rack 33 is meshed with a plurality of first gears 34. A second gear 35 meshing with a driven rack 37 is fixedly installed on one side of the first gear 34. The center position of the first gear 34 and the second gear 35 is penetrated and fixed with a rotating shaft 36 rotatably installed between two opposite inner cavity walls of the machine base 1 to ensure that the rotation process of the first gear 34 and the second gear 35 is stable and reliable. A fixed seat 39 is also provided in the inner cavity of the machine base 1. Fixed rods 310 are installed between the two opposite outer side walls of the fixed seat 39 and the two opposite inner cavity walls of the machine base 1. The driven rack 37 and the fixed seat 39 are limitedly slidably installed. Figure 5 It can be known that a limiting sliding groove is provided on one side of the fixed seat 39 close to the driven rack 37, and sliding bars are installed on both sides of the driven rack 37. The driven rack 37 is slidingly installed with the fixed seat 39 through the sliding bars and the limiting sliding groove.

[0030] The remaining structures are the same as those of Example 1.

[0031] First, put the steel bar to be cut into the cutting cavity 11, and make the bottom of the steel bar roll in contact with the surface of the balls 13, so as to adjust the cutting position of the steel bar and pull the steel bar out of the cutting cavity 11. After the cutting position of the steel bar is adjusted, start the lifting cylinder 2 to drive the two arc-shaped extrusion blocks 22 to descend through the lifting frame 21 until the arc-shaped extrusion blocks 22 contact the upper surface of the steel bar, thereby realizing the limit fixation of the steel bar;

[0032] Secondly, the two telescopic oil cylinders 3 are started synchronously, and the shearing heads 32 are pushed into the cutting cavity 11 through the telescopic rod 31. At this time, the two interlaced shearing heads 32 begin to shear the steel bars;

[0033] Finally, during the movement of the telescopic rod 31, the L-shaped rack 33 at the bottom will be synchronously driven to move horizontally. Since the L-shaped rack 33 is meshed with the first gear 34, the first gear 34 will be driven to rotate, and the second gear 35 installed on one side of the first gear 34 is meshed with the corresponding driven rack 37, so the driven rack 37 will be synchronously meshed and lowered, and finally the extrusion plate 38 will be extended from the bottom of the base 1 until it hits the ground. At this time, the weight of the entire cutting device is supported by the four moving wheels 14 and the two extrusion plates 38. Therefore, the relative friction resistance between the entire cutting device and the ground is increased, thereby improving the stability of the entire cutting device. The above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it; although the utility model is described in detail with reference to the above embodiments, ordinary technicians in this field should understand that it is still possible to modify the technical solutions recorded in the above embodiments, or to replace some of the technical features therein by equivalent; and these modifications or replacements will not cause the essence of the corresponding technical solution to deviate from the protection scope of the technical solution of each embodiment of the utility model.

Claims

1. A cutting device for processing building steel bars, comprising a machine base (1), wherein cutting chambers (11) are provided through both sides of the machine base (1), and two shearing blades (32) are telescopically and slidably installed in the cutting chamber (11) at staggered positions, characterized in that: include: A clamping assembly is arranged in the cut-off cavity (11), comprising a triangular plate (12) installed at two cavities of the cut-off cavity (11), and a ball (13) embedded and rollingly installed on the oblique edge of the triangular plate (12), and the clamping assembly also includes an arc-shaped extrusion block (22) installed in the cut-off cavity (11) in a lifting and sliding manner; A limit assembly is arranged in the machine base (1), comprising an L-shaped rack (33) that is telescopically slidable in sync with the shearing blade (32) and a driven rack (37) that is lifted and slidable in sync with the L-shaped rack (33), wherein the bottom of the driven rack (37) is provided with an extrusion plate (38) that extends to the bottom of the machine base (1).

2. A cutting device for processing building steel bars according to claim 1, characterized in that: The top of the truncation chamber (11) is provided with a receiving groove, and the two arc-shaped extrusion blocks (22) are both installed in the receiving groove in a lifting and sliding manner, and moving wheels (14) are installed on both sides of the machine base (1).

3. A cutting device for processing building steel bars according to claim 2, characterized in that: A lifting cylinder (2) is fixedly mounted on the top of the machine base (1), and an output end of the lifting cylinder (2) is connected to a lifting frame (21) that extends into the storage groove and is mounted on the top of two arc-shaped extrusion blocks (22).

4. A cutting device for processing building steel bars according to claim 3, characterized in that: Telescopic cylinders (3) are fixedly mounted on both sides of the top of the machine base (1); a telescopic rod (31) is mounted between the output end of the telescopic cylinder (3) and the shearing blade (32); and the top ends of the L-shaped racks (33) are mounted on the bottoms of the corresponding telescopic rods (31).

5. A cutting device for processing construction steel bars according to claim 4, characterized in that: A plurality of first gears (34) are meshedly mounted at the bottom ends of the L-shaped racks (33); a second gear (35) meshing with a driven rack (37) is fixedly mounted on one side of the first gear (34); and a rotating shaft (36) rotatably mounted between two opposite inner cavity walls of the machine base (1) is fixedly penetrated and fixedly disposed at the center positions of the first gear (34) and the second gear (35).

6. A cutting device for processing construction steel bars according to claim 5, characterized in that: A fixed seat (39) is also provided in the inner cavity of the machine base (1), and fixed rods (310) are installed between two opposite outer walls of the fixed seat (39) and two opposite inner cavity walls of the machine base (1), and the driven rack (37) and the fixed seat (39) are installed in a limited sliding manner.

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