CN211889288U - Auxiliary positioning device for semi-automatic cutting machine - Google Patents

Abstract

The utility model discloses an auxiliary positioning device of a semi-automatic cutting machine, which relates to the technical field of cutting equipment. The technical points of the invention are as follows: it includes a workbench and a support frame, the support frame is fixedly connected to the workbench, a long fixed block is arranged on the support frame, and two movable blocks are arranged at intervals on the same side of the fixed block. The two movable blocks are horizontally provided with two mutually parallel screws, one end of the two screws penetrates the movable block and is threadedly connected with the movable block, and the other end of the two screws is rotatably connected with the fixed block. The utility model has the advantages of high machining precision.

Description

Auxiliary positioning device for semi-automatic cutting machine

technical field

The utility model relates to the technical field of cutting equipment, in particular to an auxiliary positioning device of a semi-automatic cutting machine.

Background technique

Semi-automatic cutting machine commonly known as semi-automatic gas cutting machine is a multi-purpose gas cutting machine that uses medium pressure and high pressure oxygen to cut steel plates with a thickness greater than 5mm for linear cutting, and can also be used for circular cutting and V-line cutting. Cutting processing, currently in the process of producing air defense doors, it is necessary to cut the L-shaped steel plate. The L-shaped steel plate is divided into a vertical section and a horizontal section. During the cutting process, it is necessary to cut holes in the middle part of the horizontal section of the L-shaped plate.

The Chinese utility model patent with the publication number CN208556360U discloses a semi-automatic cutting machine, the technical point of which is that it includes a board surface, and the left and right sides of the top of the board surface are respectively fixedly connected with a first baffle and a second baffle, The left side of the first baffle is fixedly connected with a motor, the output shaft of the motor is fixedly connected with a threaded shaft, and the right end of the threaded shaft passes through the first baffle and the second baffle and extends from left to right in sequence To the right side of the second baffle, the surface of the threaded shaft is threadedly connected with a threaded slider that is matched with it. The semi-automatic cutting machine realizes a semi-automatic cutting machine by setting the plate surface, the first baffle, the second baffle, the motor, the threaded shaft, the threaded slider, the main body of the cutting machine and the fixing device, which is mainly used for workpiece cutting, With a position limit device, the edge of the workpiece is fixed, so that the cutting machine can automatically cut along the shape of the workpiece during the cutting process.

The above-mentioned prior art scheme has the following defects: when the semi-automatic cutting machine cuts the steel plate, although the steel plate can be cut, it is not easy to clamp the L-shaped steel plate, and the middle part of the horizontal section of the L-shaped steel plate cannot be cut. , The machining accuracy of L-shaped steel plate is low.

Utility model content

In view of the deficiencies in the prior art, the purpose of the present invention is to provide an auxiliary positioning device for a semi-automatic cutting machine, which has the advantages of high machining accuracy.

The above-mentioned purpose of the present utility model is achieved through the following technical solutions:

An auxiliary positioning device for a semi-automatic cutting machine, comprising a workbench and a support frame, the support frame is fixedly connected to the workbench, and a long strip-shaped fixing block is arranged on the support frame, and the same side of the fixing blocks is arranged at intervals There are two movable blocks. The two movable blocks are horizontally provided with two parallel screws. One end of the two screws penetrates the movable block and is threadedly connected to the movable block. The other end of the two screws is connected to the fixed block. Turn the connection.

By adopting the above technical solution, when processing the L-shaped steel plate, firstly rotate the screw rod to keep the movable block away from the fixed block, then place the L-shaped steel plate on the provided movable block, and then rotate the screw to drive the movable block to the fixed block. The block is moved, the L-shaped steel plate is clamped, and the L-shaped steel plate is processed. The operation is convenient, the structure is simple, and the processing accuracy of the L-shaped steel plate is improved.

In a preferred example of the present invention, it can be further configured as follows: two guide rods are horizontally arranged on the two movable blocks, one end of the two guide rods penetrates through the movable block and is slidably connected with it, and the two guide rods The other end of the rod is fixedly connected with the fixing block.

By adopting the above technical solution, after the screw rotates, the movable block will have a certain influence on the accuracy of the L-shaped steel plate clamping during the process of driving the movable block to move. The precision at the time of tightening facilitates the clamping of the L-shaped steel plate and improves the processing accuracy of the L-shaped steel plate.

In a preferred example of the present invention, it can be further configured as follows: one end of the two screws away from the fixing block is connected with a sprocket, the sprocket and the screw are coaxially and fixedly connected, and the two sprockets are engaged with a sprocket. A chain, one of the sprockets is connected with a rotating rod.

By adopting the above technical solution, when the L-shaped steel plate on the movable block is clamped, firstly, after rotating one of the sprockets through the provided rotating rod, the other sprocket is driven to rotate by the chain meshing with the sprocket, and then the chain is rotated by the chain. The wheel drives the screw that is fixedly connected with it to rotate. After the screw rotates, it drives the movable block to move and clamps the L-shaped steel plate, which facilitates the cutting of the L-shaped steel plate and improves the processing accuracy.

In a preferred example of the present invention, it can be further configured that: the fixed block is connected with two spaced baffles arranged in the vertical direction, and the two baffles are in contact with the upper surfaces of the two movable blocks.

By adopting the above technical solution, after the L-shaped steel plate is placed on the movable block, it is clamped by rotating the screw, but during the processing of the L-shaped steel plate, the L-shaped steel plate will move left and right, which affects the processing accuracy of the L-shaped steel plate. , The provided baffles limit the left and right movement of the L-shaped steel plate, enhance the stability of the L-shaped steel plate, and improve the processing accuracy of the L-shaped steel plate.

In a preferred example of the present invention, it can be further configured as follows: the upper surface of the fixing block is provided with a chute, a sliding block is slidably connected in the chute, the sliding block is fixedly connected with the baffle, and the fixing block There is a limit component to limit the movement of the baffle plate.

By adopting the above technical solution, since L-shaped steel plates have different specifications when processing L-shaped steel plates, the baffles provided can adapt to L-shaped steel plates of different specifications and clamp them. When the L-shaped steel plate is limited, the slider connected to the baffle slides in the chute until the L-shaped steel plate is clamped, and then the position of the baffle is limited by the limit component provided to enhance its L-shaped steel plate. The stability of the steel plate improves the machining accuracy of the L-shaped steel plate.

In a preferred example of the present invention, a waist-shaped hole is opened on the side of the fixed block away from the movable block, and the waist-shaped hole is communicated with the chute, and the limiting component includes a positioning bolt, so The positioning bolt penetrates through the waist-shaped hole and is in contact with the slider.

By adopting the above technical solution, when the baffle plate is moved to a certain position, the positioning bolt is moved in the waist-shaped hole, and then the positioning bolt penetrates through the waist-shaped hole and abuts with the slider to limit the movement of the slider, thereby limiting the baffle plate The movement of the L-shaped steel plate improves the machining accuracy of the L-shaped steel plate.

In a preferred example of the present invention, it can be further configured as follows: the baffle is connected with a cylinder, the cylinder body of the cylinder is fixedly connected with the baffle, the piston rod of the cylinder is arranged in the vertical direction and fixedly connected with a cylinder. The pressing plate is arranged horizontally and above the movable block.

By adopting the above technical solution, after the baffles limit the positions of the two ends of the L-shaped steel plate, in order to prevent the L-shaped steel plate from shaking up and down when the L-shaped steel plate is processed, the cylinder piston rod is provided to drive the fixed connection with the piston rod. The pressing plate compresses the L-shaped steel plate, which further enhances the stability of the L-shaped steel plate and improves the processing accuracy of the L-shaped steel plate.

In a preferred example of the present invention, it can be further configured that: a side of the movable block close to the fixed block is provided with an inclined surface, and the inclined surface is inclined downward and the lower end is in contact with the side wall of the fixed block.

By adopting the above technical solution, when processing the L-shaped steel plate, the L-shaped steel bar needs to be placed on the movable block, and then the L-shaped steel plate is clamped by the screw. The inclined surface provided facilitates the placement of the L-shaped steel plate on the movable block. , it is also convenient to clamp the L-shaped steel plate, and the processing accuracy of the L-shaped steel plate is improved.

To sum up, the present utility model includes at least one of the following beneficial technical effects:

1. By setting the screw, guide rod, sprocket, chain and rotating rod, when the L-shaped steel plate is clamped, the sprocket is driven to rotate by rotating the rotating rod, and the sprocket drives the other sprocket to rotate through the chain, and the sprocket rotates. The screw is driven to rotate, and the screw then drives the movable block to move to clamp or loosen the L-shaped steel plate. The guide rod provided improves the clamping accuracy of the L-shaped steel plate by the movable block and improves the processing accuracy of the L-shaped steel plate;

2. By setting baffles, positioning bolts, waist-shaped holes, sliders, and chutes, after the L-shaped steel plate is clamped by the movable block, the baffles restrict the L-shaped steel plates to move left and right. After sliding and adjusting to a certain position in the chute, the positioning bolts provided through the waist-shaped hole abut against the slider to limit the movement of the baffle plate, enhance the stability of clamping the L-shaped steel plate, and improve the stability of the L-shaped steel plate. Precision;

3. By setting the cylinder and the pressure plate, after the two ends of the L-shaped steel plate are clamped by the baffle plate, the L-shaped steel plate is further clamped by the cylinder driven pressure plate provided on the baffle plate to further improve the processing accuracy of the L-shaped steel plate. .

Description of drawings

1 is a schematic diagram of the overall structure of an auxiliary positioning device of a semi-automatic cutting machine;

Fig. 2 is the enlarged schematic diagram of part A in Fig. 1;

3 is a schematic diagram of the overall structure of a second viewing angle of an auxiliary positioning device of a semi-automatic cutting machine;

FIG. 4 is an enlarged schematic view of part B in FIG. 3 .

Reference numerals: 1, support frame; 2, fixed block; 3, movable block; 4, screw rod; 5, guide rod; 6, sprocket; 7, chain; 8, rotating rod; 9, baffle plate; 10, sliding Slot; 11, slider; 12, waist hole; 13, positioning bolt; 14, cylinder; 15, pressure plate; 16, inclined surface; 17, workbench.

Detailed ways

The present utility model will be described in further detail below in conjunction with the accompanying drawings.

1 and 2, it is an auxiliary positioning device of a semi-automatic cutting machine disclosed by the utility model, including a rectangular parallelepiped worktable 17, a support frame 1, the support frame 1 and the worktable 17 are welded, and the support frame 1 is welded with a The long fixed block 2 is provided with two movable blocks 3 at intervals on the same side of the fixed block 2. The side of the movable block 3 close to the fixed block 2 is provided with an inclined surface 16 (see Fig. 4), and the inclined surface 16 is inclined downward. And the lower end is in contact with the side wall of the fixed block 2. When cutting holes in the middle of the horizontal section of the L-shaped steel plate, the L-shaped steel bar needs to be placed on the movable block 3, and then the L-shaped steel plate is clamped by the screw 4. The inclined surface 16 provided facilitates the placement of the L-shaped steel plate on the movable block 3. The two movable blocks 3 are horizontally provided with two screws 4 that are parallel to each other. One end of the two screws 4 penetrates the movable block 3 and is threaded with the movable block 3. The other ends of the two screws 4 are connected with the fixed block 2 in rotation. When cutting the horizontal section of the L-shaped steel plate, firstly rotate the screw 4, move the movable block 3 away from the fixed block 2, then place the steel plate on the provided movable block 3, and then turn the screw 4 to drive the movable block 3. Move to the fixed block 2, clamp the L-shaped steel plate, and then the middle part of the horizontal section of the L-shaped steel plate is processed and cut by the cutting machine. machining accuracy.

In order to improve the accuracy of clamping the L-shaped steel plate, two guide rods 5 are horizontally arranged on the two movable blocks 3 . One end is welded with the fixed block 2, and the provided guide rod 5 enhances the accuracy of the movable block 3 when clamping the L-shaped steel plate, facilitates the clamping of the L-shaped steel plate, and improves the processing accuracy of the L-shaped steel plate.

Since the two spaced movable blocks 3 are driven by the screw 4, when they are clamped, the two movable blocks 3 are subjected to uneven force, which may affect the accuracy of the L-shaped steel plate processing. Therefore, the two screws 4 are far away from the fixed One end of the block 2 is connected with a sprocket 6, the sprocket 6 is coaxial with the screw 4 and welded, the two sprockets 6 are engaged with a chain 7, and a rotating rod 8 is welded on one of the sprockets 6. When clamping the L-shaped steel plate on the movable block 3, firstly, one of the sprockets 6 is rotated through the provided rotating rod 8, and then the other sprocket 6 is driven to rotate by the chain 7 engaged with the sprocket 6, and then the chain The wheel 6 drives the screw rod 4 welded with it to rotate. After the screw rod 4 rotates, it drives the movable block 3 to move to clamp the steel plate, which facilitates the cutting of the L-shaped steel plate and improves the processing accuracy.

Because the L-shaped steel plate may move up and down when the middle position of the horizontal section of the L-shaped steel plate is machined and cut, the baffle 9 is connected with a cylinder 14, the cylinder body of the cylinder 14 is welded with the baffle 9, and the piston rod of the cylinder 14 is welded. The pressure plate 15 is arranged and welded in the vertical direction, and the pressure plate 15 is arranged horizontally. The pressure plate 15 fixedly connected with the piston rod is driven by the piston rod of the provided cylinder 14, and the L-shaped steel plate is compressed, which further enhances the stability of the steel plate and improves the the machining accuracy of the steel plate.

Referring to FIGS. 3 and 4 , since the L-shaped steel plate will move left and right during the process of cutting holes, the fixed block 2 is connected with a baffle 9 arranged in the vertical direction, and the baffle 9 is in contact with the movable block 3 The upper surface of the fixed block 2 is provided with a chute 10 , a sliding block 11 is slidably connected in the chute 10 , and the sliding block 11 is welded with the baffle 9 . The provided baffle plate 9 can adapt to different specifications of steel plates and clamp them. When the steel plate to be clamped is limited, the slider 11 connected on the baffle plate 9 slides in the chute 10, and slides until the steel plate is clamped. After clamping, the position of the baffle plate 9 is limited by the provided limiting component, which enhances the stability of the steel plate and improves the processing accuracy of the steel plate. In this embodiment, a waist-shaped hole 12 is formed on the side of the fixed block 2 away from the movable block 3, and the waist-shaped hole 12 is communicated with the chute 10. The limiting component includes a positioning bolt 13. The positioning bolt 13 penetrates the waist-shaped hole 12 and is connected to the waist-shaped hole 12. The slider 11 is abutted. When the baffle plate 9 is moved to a certain position, the positioning bolt 13 moves in the waist-shaped hole 12 , and then the positioning bolt 13 penetrates the waist-shaped hole 12 and abuts with the slider 11 to define the slider 11 The movement of the baffle plate 9 further limits the movement of the baffle plate 9. When cutting holes in the middle part of the horizontal section of the steel plate, the machining accuracy of the L-shaped steel plate cutting holes is improved.

The implementation principle of this embodiment is as follows: when the middle position of the horizontal section of the L-shaped steel plate is cut, firstly drive the rotating rod 8 welded on the sprocket 6 to rotate, the rotating rod 8 drives the sprocket 6 to rotate, and the sprocket 6 drives the sprocket 6 to rotate. The meshed chain 7 rotates, the chain 7 drives the other sprocket 6 to rotate, the sprocket 6 rotates to drive the screw 4 to rotate, and the screw 4 rotates to drive the two spaced movable blocks 3 to move away from the fixed block 2, and then place the steel plate on the On the movable block 3, the rotating rod 8 is driven to rotate again, the rotating rod 8 drives the sprocket 6 to rotate, the sprocket 6 drives the chain 7 meshed with it to rotate, the chain 7 drives another sprocket 6 to rotate, and the sprocket 6 drives the screw 4 to rotate. The rotation of the screw 4 drives the movable block 3 to move to the fixed block 2, clamps the steel plate, and then drives the cutter to cut holes in the middle part of the horizontal section of the L-shaped steel plate. The two ends of the steel plate are restricted, and then the baffle plate 9 is restricted by the positioning bolts 13, and then the pressure plate 15 is driven to move down by the cylinder 14 provided on the baffle plate 9, and the steel plate is pressed up and down to avoid the horizontal section of the L-shaped steel plate. When cutting holes in the middle position, move up and down. After the L-shaped steel plate cutting is completed, drive the rotating rod 8 to rotate, the movable block 3 moves away from the fixed block 2, and take out the processed L-shaped steel plate. The L-shaped steel plate is clamped under the joint action of the pressing plate 15, so that the cutting hole in the middle part of the horizontal section of the L-shaped steel plate is more stable and accurate, and the machining accuracy of the hole cutting in the middle of the horizontal section of the L-shaped steel plate is improved.

The examples of this specific embodiment are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore: all equivalent changes made according to the structure, shape and principle of the present invention are not It should be covered within the protection scope of the present invention.

Claims (8)

1. An auxiliary positioning device for a semi-automatic cutting machine, characterized in that it comprises a workbench (17) and a support frame (1), the support frame (1) is fixedly connected to the workbench (17), and the support frame ( 1) An elongated fixed block (2) is provided on it, and two movable blocks (3) are arranged at intervals on the same side of the fixed block (2), and the two movable blocks (3) are horizontally arranged parallel to each other. two screws (4), one end of the two screws (4) penetrates the movable block (3) and is threadedly connected with the movable block (3), and the other ends of the two screws (4) are connected to the fixed block (2) ) to turn the connection. 2 . The auxiliary positioning device for a semi-automatic cutting machine according to claim 1 , wherein two guide rods ( 5 ) are horizontally arranged on the two movable blocks ( 3 ), and the two guide rods One end of (5) penetrates and is slidably connected to the movable block (3), and the other ends of the two guide rods (5) are fixedly connected to the fixed block (2). 3. The auxiliary positioning device for a semi-automatic cutting machine according to claim 1, wherein one end of the two screws (4) away from the fixed block (2) is connected with a sprocket (6), and the chain The wheel (6) is coaxially and fixedly connected with the screw (4), a chain (7) is engaged with the two sprockets (6), and a rotating rod (8) is connected to one of the sprockets (6). 4 . The auxiliary positioning device for a semi-automatic cutting machine according to claim 1 , wherein the fixing block ( 2 ) is connected with two spaced baffle plates ( 9 ) arranged in the vertical direction, 4 . The two baffles (9) are in contact with the upper surfaces of the two movable blocks (3). 5 . The auxiliary positioning device for a semi-automatic cutting machine according to claim 4 , wherein the upper surface of the fixing block ( 2 ) is provided with a chute ( 10 ), and the chute ( 10 ) is slidably connected inside. 6 . There is a sliding block (11), the sliding block (11) is fixedly connected with the baffle plate (9), and a limit component for restricting the movement of the baffle plate (9) is provided on the fixed block (2). 6 . The auxiliary positioning device for a semi-automatic cutting machine according to claim 5 , wherein the fixed block ( 2 ) is provided with a waist-shaped hole ( 12 ) on the side away from the movable block ( 3 ). The shaped hole (12) is communicated with the chute (10), and the limiting component includes a positioning bolt (13), the positioning bolt (13) passing through the waist-shaped hole (12) and abutting with the slider (11). 7. The auxiliary positioning device for a semi-automatic cutting machine according to claim 5, wherein a cylinder (14) is connected to the baffle plate (9), and the cylinder body of the cylinder (14) is connected to the baffle plate. (9) Fixed connection, the piston rod of the air cylinder (14) is vertically arranged and fixedly connected with a pressure plate (15), the pressure plate (15) is arranged horizontally and above the movable block (3). 8 . The auxiliary positioning device for a semi-automatic cutting machine according to claim 1 , wherein an inclined surface ( 16 ) is provided on the side of the movable block ( 3 ) close to the fixed block ( 2 ). 9 . The face (16) is inclined downward and the lower end is in contact with the side wall of the fixing block (2).

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