Steel bar fixed-length cutting mechanism

Abstract

The utility model relates to the technical field of steel cut-to-length cutting, in particular to a steel bar cut-to-length cutting mechanism. The cutting length of a steel bar sample can be controlled, a fracture is vertical and flat, and meanwhile the manual operation risk is reduced. The cutting material table is used for horizontally placing a to-be-cut reinforcing steel bar; the cutting material table is provided with a pressing unit used for pressing steel bars and a cutting unit used for cutting the steel bars. The cutting material table comprises a machine table, a groove is formed in the top face of the machine table, and one end of the groove is open and used for steel bars to enter. Limiting vertical plates are arranged in the groove at intervals, and a feeding channel used for limiting the position of the steel bar is formed. A collecting unit is arranged on the cutting head of the cutting unit and used for collecting dust waste generated by cutting.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel material fixed length cutting technical field especially relates to a reinforcing steel bar fixed length cutting mechanism. BACKGROUND

[0002] In the field of building engineering and material detection, the quality of reinforcing steel bars is directly related to the safety and durability of engineering structures. To ensure that the mechanical properties (such as tensile strength, yield strength, etc.) of reinforcing steel bars meet relevant standards, sampling tests must be conducted on reinforcing steel bars. During the sampling process, the cutting length and fracture quality of reinforcing steel bars are key factors affecting the accuracy of test results.

[0003] Currently, reinforcing steel bar sampling is usually carried out in accordance with national standards or industry specifications, requiring the length of the cut sample to be accurate, the fracture to be smooth, and there to be no deformation or bevel. Traditional manual sampling methods mainly rely on operators using a tape measure to measure the length and then using a handheld cutting machine (such as a grinding wheel cutting machine) to cut. However, this method has the following technical defects:

[0004] 1. Manual measurement and cutting can introduce length errors, making it difficult to meet high-precision sampling requirements;

[0005] 2. Manual operation takes a long time, and the efficiency is low when sampling in batches;

[0006] 3. Handheld cutting can cause the fracture surface to be inclined, uneven, or have burrs, which can affect subsequent mechanical test results;

[0007] 4. The high-speed rotating cutting machine has a risk of slipping and can easily injure the operator. SUMMARY

[0008] The utility model provides a reinforcing steel bar fixed length cutting mechanism in view of the defects existing in the prior art.

[0009] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme, a reinforcing steel bar fixed length cutting mechanism, including the cutting material table for horizontally placing the reinforcing steel bar to be cut; the cutting material table is provided with a pressing unit for pressing the reinforcing steel bar and a cutting unit for cutting the reinforcing steel bar; the cutting material table includes a machine table, the top surface of the machine table is provided with a groove, one end of the groove is open for the entry of the reinforcing steel bar; limiting vertical plates are arranged in the groove at intervals to form an entry channel for limiting the position of the reinforcing steel bar; the cutting head of the cutting unit is provided with a collection unit arranged for collecting dust and waste generated during cutting.

[0010] Further, the top surface of the machine table is provided with a scale along the entry direction for reading the entry of the reinforcing steel bar.

[0011] Further, the groove is provided with a ruler slide on both sides, and the two ends of the ruler are slidingly connected to the corresponding ruler slides. The ruler is used to determine the cutting length of the steel bar according to the scale line.

[0012] Further, the height of the limiting vertical plate is less than the diameter of the smallest specification steel bar, and the ruler is located above the limiting vertical plate. When the steel bar is in the feeding channel, the top of the steel bar is exposed outside the feeding channel, and when reading, one end of the steel bar is abutted on the ruler, thereby facilitating reading.

[0013] Further, the limiting vertical plate is provided as at least 8, forming multiple groups of feeding channels, and the widths of the feeding channels are different, for adapting to different specifications of the steel bars.

[0014] Further, the cutting unit comprises a vertically arranged U-shaped bottom plate, the groove side of the U-shaped bottom plate faces the collecting unit, and the U-shaped bottom plate is fixed above the cutting table through two connecting plates. The bottom of the connecting plate is fixed to the side wall of the machine table, and the top of the connecting plate is connected to the side of the U-shaped bottom plate away from the collecting unit. One connecting plate is arranged on each side of the machine table. An L-shaped sliding plate is arranged on the U-shaped bottom plate, and the L-shaped sliding plate can slide along the U-shaped bottom plate. A clamping seat is arranged on the L-shaped sliding plate for fixing the cutting machine. The cutting machine drives the cutting blade to rotate to realize the cutting of the steel bar.

[0015] Further, two guide shafts are arranged in parallel in the groove of the U-shaped bottom plate, and the L-shaped sliding plate is slidingly connected to the two guide shafts. A handle is further arranged on the L-shaped sliding plate to facilitate manual pushing and pulling of the cutting machine.

[0016] Further, the pressing unit comprises a guide block fixed to the side of the U-shaped bottom plate away from the collecting unit, two guide rods are arranged side by side on the guide block, a lead screw is rotatably arranged on the guide block between the two guide rods, and the lead screw is parallel to the guide rods. The guide block is provided with a threaded hole matched with the lead screw to form a lead screw nut transmission mechanism. The bottom of the lead screw is connected with a pressing plate, and the top of the lead screw is fixedly connected with a hand wheel. The pressing plate is provided with a light hole matched with the guide rod. The hand wheel drives the lead screw to rotate, so that the pressing plate moves along the guide rod and presses or releases the steel bar.

[0017] Further, the pressing plate is detachably connected below the guide block through bolts, and the pressing surface of the pressing plate is provided with anti-slip lines.

[0018] Further, the collecting unit comprises an upper cover and a lower cover. The lower cover adopts a concave structure, and the upper cover is rotatably connected to the top of the lower cover through a rotating shaft to form an openable and closable cover body. The cover body is used to block the electric sparks in the cutting process to avoid injury caused by sparks. In use, the steel bar passes through the concave structure and enters the cutting table, and the cutting blade is located in the concave structure. A collecting groove is formed in the inner wall of the concave structure for collecting cutting debris.

[0019] Compared with the prior art, the utility model has beneficial effects.

[0020] The utility model discloses a cutting length of the reinforcing steel bar sample is controllable, and the fracture is perpendicular and smooth, and the manual operation risk is reduced, and reliable technical support is provided for reinforcing steel bar quality detection.

[0021] The reinforcing steel bar cutting mechanism is provided with a cutting material table, can horizontally place and compress the reinforcing steel bar, and then determines the accurate length of the reinforcing steel bar through the ruler, so that the cutting machine can cut the reinforcing steel bar to a more accurate length.

[0022] Moreover, the utility model discloses a handheld cutting machine, which is transformed in a non-handheld mode, can reliably cut the reinforcing steel bar, and can reduce the non-perpendicular cutting end face caused by manual holding. BRIEF DESCRIPTION OF DRAWINGS

[0023] The utility model makes further explanation in combination with the drawings and specific embodiment. The utility model protection scope is not only limited to the following content's expression.

[0024] Figure 1 It is a kind of reinforcing steel bar cutting mechanism three-dimensional view Figure 1 .

[0025] Figure 2 It is a kind of reinforcing steel bar cutting mechanism three-dimensional view Figure 2 .

[0026] Figure 3 It is a kind of reinforcing steel bar cutting mechanism three-dimensional view

[0027] Figure 4 It is a kind of reinforcing steel bar cutting mechanism three-dimensional view

[0028] Figure 5 It is a kind of reinforcing steel bar cutting mechanism three-dimensional view

[0029] In the drawing, 1, cutting material table;2, compressing unit;3, cutting unit;4, collection unit;5, reinforcing steel bar;101, machine table;102, scale;103, ruler;104, limit vertical plate;105, ruler slide;106, zero scale position;

[0030] 201, hand wheel;202, guide rod;203, guide block;204, compression plate;205, screw rod;

[0031] 301. U-shaped base plate; 302. L-shaped sliding plate; 303. Clamping seat; 304. Guide shaft; 305. Connecting plate; 306. Handle; 307. Cutting machine; 308. Cutting disc;

[0032] 401. Upper cover; 402. Lower cover; 403. Rotating shaft; 404. Collection tank. Detailed Implementation

[0033] To make the objectives, technical solutions, and beneficial effects of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some embodiments of the present invention, but not all embodiments.

[0034] like Figures 1-5 As shown in the embodiment: a rebar cutting mechanism includes a cutting table 1 for horizontally placing the rebar 5 to be cut; the cutting table 1 is provided with a clamping unit 2 for clamping the rebar 5 and a cutting unit 3 for cutting the rebar 5; the cutting table 1 includes a machine base 101, the top surface of the machine base 101 is provided with a groove, one end of which is open for the entry of the rebar 5; limit plates 104 are provided at intervals in the groove to form a feeding channel for limiting the position of the rebar 5; the cutting head of the cutting unit 3 is provided with a collection unit 4 for collecting the dust and waste generated during cutting.

[0035] Preferred Option 1: The top surface of the machine base 101 is provided with scale lines 102 along the feeding direction for reading the feed of the rebar. A guide rail slide 105 is provided on both sides of the groove, and the two ends of the guide rail 103 are slidably connected within the corresponding guide rail slide 105. This guide rail 103 is used to determine the cutting length of the rebar according to the scale lines 102. By setting up the cutting table 1 with scale lines 102 and a sliding guide rail 103, the operator can quickly and accurately determine the cutting length of the rebar, significantly improving the cutting accuracy (error can be controlled within ±1mm).

[0036] Preferred Option 2: The height of the limiting plate 104 is less than the diameter of the smallest rebar, and the straightedge 103 is located above the limiting plate 104. This ensures that when the rebar is in the feeding channel, the top of the rebar protrudes outside the channel, and when taking readings, one end of the rebar rests against the straightedge 103 for easy reading. Furthermore, at least eight limiting plates 104 are provided, forming multiple sets of feeding channels, each with a different width to accommodate rebars of different specifications.

[0037] The machine table 101 has a top plate and a support leg under the top plate. One side of the top plate is open for feeding, and the opposite side is a closed end. The machine table 101 has a recess with a depth of 15mm on the top surface, and a plurality of limiting vertical plates 104 are installed at equal intervals in the recess to form a plurality of feeding channels. The steel bars 5 enter the feeding channels in the recess from the open side, and the two sides of the recess are provided with a ruler slide 105 designed with a T-shaped groove. The machine table 101 has a scale line 102 laser-engraved along the length direction on the top surface, with a minimum scale of 1mm and a total length of 1900mm.

[0038] In the embodiment 2, the zero scale position 106 of the scale line 102 is arranged at the end of the feeding end of the machine table 101. When the steel bars 5 are fed, the end of the steel bars 5 is aligned with the zero scale position 106, and the other end is abutted against the ruler 103. The plane where the zero scale position is located is coplanar with the cutting blade, which facilitates reading and cutting length control.

[0039] In the preferred scheme three, the cutting unit 3 includes a vertically arranged U-shaped bottom plate 301, and the recess side of the U-shaped bottom plate 301 faces the collecting unit 4. The U-shaped bottom plate 301 is fixed above the cutting table 1 through two connecting plates 305. The bottom of the connecting plate 305 is fixed to the side wall of the machine table, and the top of the connecting plate 305 is connected to the side of the U-shaped bottom plate 301 away from the collecting unit 4. Each side of the machine table 101 is provided with one connecting plate 305. An L-shaped slide plate 302 is arranged on the U-shaped bottom plate 301, and the L-shaped slide plate 302 can slide along the U-shaped bottom plate 301. A clamping seat 303 is arranged on the L-shaped slide plate 302 for fixing the cutting machine 307. The cutting machine 307 drives the cutting blade 308 to rotate to realize the cutting of the steel bars 5. Two guide shafts 304 are arranged in parallel in the recess of the U-shaped bottom plate 301, and the L-shaped slide plate 302 is slidingly connected with the two guide shafts 304. A handle 306 is further arranged on the L-shaped slide plate 302 to facilitate manual pushing and pulling of the cutting machine. The cooperation of the U-shaped bottom plate 301 and the guide shaft 304 makes the movement of the cutting machine 307 smooth and stable, the cutting force is uniformly transmitted, and the service life of the equipment is prolonged.

[0040] The fourth preferred solution, the pressing unit 2 comprises a guide block 203 fixed to the U-shaped bottom plate 301 away from the collecting unit 4, two guide rods 202 are arranged side by side on the guide block 203, a lead screw 205 is rotatably arranged on the guide block 203 and between the two guide rods 202, and the lead screw 205 is parallel to the guide rod 202; the guide block 203 is provided with a threaded hole matched with the lead screw 205, forming a lead screw nut transmission mechanism; the bottom of the lead screw 205 is connected with a pressing plate 204, and the top of the lead screw is fixedly connected with a hand wheel 201; the pressing plate 204 is provided with a light hole matched with the guide rod 202; the hand wheel 201 drives the lead screw 205 to rotate, so that the pressing plate 204 moves along the guide rod 202, and the pressing plate 204 presses or loosens the reinforcing steel bars 5. The pressing plate 204 is detachably connected below the guide block 203 by bolts, and the pressing surface of the pressing plate 204 is provided with anti-skid lines. The hand wheel 201 drive mechanism of the pressing unit 2 realizes the reinforcing steel bar pressing / loosening function that can be operated by one hand, and significantly reduces the labor intensity; the height design of the limiting vertical plate 104 makes the reinforcing steel bar top exposed, which not only ensures the positioning accuracy of the reinforcing steel bar, but also facilitates observation and measurement, and improves the operation convenience.

[0041] The fifth preferred solution, the collecting unit 4 comprises an upper cover 401 and a lower cover 402, the lower cover 402 adopts a concave structure, and the upper cover 401 is rotatably connected to the top of the lower cover 402 through a rotating shaft, forming a cover body that can be opened and closed; for blocking the electric spark in cutting to avoid the spark from hurting people; in use, the reinforcing steel bars 5 pass through the concave structure and then enter the cutting table 1, and the cutting blade 308 is located in the concave structure; the inner wall of the concave structure is provided with a collecting groove for collecting cutting waste. The design of the collecting unit 4 can effectively collect the dust and metal waste generated in the cutting process, and greatly improve the working environment; the upper cover 401 and the lower cover 402 that can be opened and closed not only can block the cutting spark (the protection effect reaches 100%), but also can conveniently clean the waste and maintain the equipment.

[0042] The working process of the utility model:

[0043] S1, first determine the length of the reinforcing steel bars 5 to be cut, for example: cutting 500mm length, first adjust the position of the ruler 103, so that the ruler 103 leans on the scale line 102 (from the zero scale position 106 to the 500mm scale line position, which is exactly 500mm), and the movement of the ruler 103 is realized in the ruler slide 105.

[0044] S2, at this time, the reinforcing steel bars 5 to be cut are inserted into the cutting mechanism from the zero scale position, the reinforcing steel bars 5 are placed between the adjacent two limiting vertical plates 104 of the machine table 101, and one end of the reinforcing steel bars 5 is pressed against the ruler 103.

[0045] S3, manually rotate the hand wheel 201, so that the pressing plate 204 moves downward until the reinforcing steel bars 5 are pressed.

[0046] S4, artificial hand grip hand 306, force installed cutting machine 307 from the L-shaped slide plate 302 from one end of the U-shaped bottom plate 301 to the other end, in the process of pushing, start cutting machine 307, cutting machine 307 by cutting piece 308 on the steel bar 5 cutting work.

[0047] S5, in the process of cutting, cutting waste falls into the collection unit 4 of the collection tank.

[0048] It can be understood that the above specific description of the utility model is only used for illustrating the utility model and is not limited to the technical solutions described in the utility model embodiments, and those skilled in the art should understand that the utility model can still be modified or replaced equivalently to achieve the same technical effect, as long as the use needs are met, it is within the protection scope of the utility model.

Claims

1. A bar fixing and cutting mechanism characterized by comprising: The application relates to a cutting table (1) for horizontally placing reinforcing steel bars (5) to be cut; The cutting table (1) is provided with a pressing unit (2) for pressing the reinforcing steel bars (5) and a cutting unit (3) for cutting the reinforcing steel bars (5); The cutting table (1) comprises a machine table (101), the top surface of the machine table (101) is provided with a groove which is open at one end and is used for the entry of the reinforcing steel bars (5); the groove is provided with limiting vertical plates (104) at intervals, so as to form an entry channel for limiting the position of the reinforcing steel bars (5); The cutting head of the cutting unit (3) is provided with a collecting unit (4) which is arranged for collecting the dust and waste generated during cutting.

2. The bar fixing and cutting apparatus according to claim 1, wherein The top surface of the machine table (101) is provided with scale lines (102) along the entry direction, which are used for reading the entry of the reinforcing steel bars.

3. The bar fixing and cutting apparatus according to claim 2, wherein The groove is provided with ruler sliding channels (105) on both sides, and a ruler (103) is slidingly connected to the corresponding ruler sliding channels (105) at both ends, which is used for determining the cutting length of the reinforcing steel bars according to the scale lines (102).

4. The bar fixing and cutting apparatus according to claim 3, wherein The height of the limiting vertical plates (104) is smaller than the diameter of the smallest reinforcing steel bar, and the ruler (103) is located above the limiting vertical plates (104).

5. The bar fixing and cutting apparatus according to claim 1, wherein The limiting vertical plates (104) are arranged as at least eight groups, so as to form multiple groups of entry channels, and the widths of the entry channels are different, which are used for adapting to reinforcing steel bars (5) of different specifications.

6. The bar fixing and cutting apparatus according to claim 1, wherein The cutting unit (3) comprises a vertically arranged U-shaped bottom plate (301), the groove side of the U-shaped bottom plate (301) faces the collecting unit (4), the U-shaped bottom plate (301) is fixed above the cutting table (1) through two connecting plates (305), the bottom of the connecting plate (305) is fixed to the side wall of the machine table, the top of the connecting plate (305) is connected to the side of the U-shaped bottom plate (301) which is away from the collecting unit (4), one connecting plate (305) is arranged on each side of the machine table (101), an L-shaped sliding plate (302) is arranged on the U-shaped bottom plate (301), the L-shaped sliding plate (302) can slide along the U-shaped bottom plate (301), a clamping seat (303) is arranged on the L-shaped sliding plate (302) and is used for fixing a cutting machine (307), the cutting machine (307) drives a cutting blade (308) to rotate, so as to realize the cutting of the reinforcing steel bars (5).

7. The bar fixing and cutting apparatus according to claim 6, wherein Two guide shafts (304) are arranged in parallel in the groove of the U-shaped bottom plate (301), the L-shaped sliding plate (302) is slidingly connected to the two guide shafts (304), and a handle (306) is further arranged on the L-shaped sliding plate (302), so as to facilitate manual pushing and pulling of the cutting machine.

8. The bar fixing and cutting apparatus according to claim 7, wherein The pressing unit (2) comprises a guide block (203) fixed to the U-shaped bottom plate (301) away from the collecting unit (4), two guide rods (202) arranged side by side on the guide block (203), a lead screw (205) rotatably arranged on the guide block (203) between the two guide rods (202), and the lead screw (205) is parallel to the guide rods (202); the guide block (203) is provided with a threaded hole matched with the lead screw (205), forming a lead screw nut transmission mechanism; the bottom of the lead screw (205) is connected with a pressing plate (204), the top of the lead screw is fixedly connected with a hand wheel (201), and the pressing plate (204) is provided with a light hole matched with the guide rod (202); the hand wheel (201) drives the lead screw (205) to rotate, so that the pressing plate (204) moves along the guide rod (202) and drives the pressing plate (204) to press or loosen the reinforcing steel bars (5).

9. The bar fixing and cutting apparatus according to claim 8, wherein The pressing plate (204) is detachably connected below the guide block (203) by bolts, and the pressing surface of the pressing plate (204) is provided with anti-skid lines.

10. The bar shearing mechanism of claim 6, wherein, The collecting unit (4) comprises an upper cover (401) and a lower cover (402), the lower cover (402) adopts a concave structure, one end of the upper cover (401) is rotatably connected with the top of the lower cover (402) through a rotating shaft, forming an openable and closable cover body; for blocking the electric spark in cutting to avoid the spark from hurting people; in use, the reinforcing steel bars (5) pass through the concave structure and then enter the cutting table (1), and the cutting blade (308) is located in the concave structure; the inner wall of the concave structure is provided with a collecting groove for collecting cutting waste.

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