CN112139375A - A workpiece positioning and running speed control mechanism of a CNC bending machine - Google Patents

Abstract

The invention discloses a workpiece positioning and running speed control mechanism of a numerically controlled bending machine, and relates to the technical field of monitoring modules, in particular to a workpiece positioning and running speed control mechanism of a numerically controlled bending machine, comprising a bending machine main body and a workbench , the right side of the main body of the bending machine is electrically connected with the numerical control control box panel, the bottom inner side of the installation rod is connected with a sliding rod, the upper part of the sliding rod is provided with a screw rod, and the lower part of the sliding rod is equipped with a clamp A holding mechanism, a guide plate is installed above the worktable, and the worktable is located below the holding mechanism. The workpiece positioning and running speed control mechanism of the CNC bending machine is provided with a clamping mechanism. The clamping mechanism mainly positions and clamps the fixing mechanism to prevent the fixing mechanism from moving backward and affecting the function of the fixing mechanism. The folding pressure rod passes through the pull rod. With the first hydraulic rod to open and close up and down, the setting of the spring can help the folding and pressing rod to reset, and greatly improve the elastic force of the folding and pressing rod.

Description

A workpiece positioning and running speed control mechanism of a CNC bending machine

technical field

The invention relates to the technical field of numerical control bending machines, in particular to a workpiece positioning and running speed control mechanism of a numerical control bending machine.

Background technique

With the continuous progress of production technology and advanced equipment, CNC technology is one of the common production equipment in the production workshop. The bending machine equipment can bend the metal plate and turn the metal workpiece into the required shape. In this way, the adaptation rate of metal parts is improved, and in the structure of the CNC bending machine, workpiece positioning is an indispensable part, which can mainly be positioned to ensure accuracy.

In the process of using the existing CNC bending machine, the accuracy is insufficient, the positioning structure of the workpiece is not perfect, and the positioning structure is relatively simple, which easily leads to the shortcomings of changing the bending shape during the production process.

SUMMARY OF THE INVENTION

In view of the deficiencies of the prior art, the present invention provides a workpiece positioning and running speed control mechanism of a CNC bending machine, which solves the problem of insufficient accuracy in the use process of the existing CNC bending machine proposed in the above-mentioned background art. The positioning structure of the workpiece is not perfect, and the positioning structure is relatively simple, which can easily cause the problem of changing the bending shape during the production process.

In order to achieve the above purpose, the present invention is achieved through the following technical solutions: a workpiece positioning and running speed control mechanism for a CNC bending machine, including a bending machine main body and a workbench, and the right side of the bending machine main body is electrically connected There is a numerical control control box panel, and installation rods are welded on the left and right sides of the bottom of the main body of the bending machine. A screw rod is arranged above, a clamping mechanism is installed below the sliding rod, a guide plate is installed above the worktable, and the worktable is located below the clamping mechanism, and a second hydraulic rod is installed above the guide plate , and the bottom of the second hydraulic rod is integrally connected with a pressure rod, a rotating crawler is arranged above the second hydraulic rod, and runners are installed on the left and right sides of the inner side of the rotating crawler, and the bottom of the pressure rod is connected with a For the pressing roller, a positioning hole is provided inside the guide plate, and a fixing mechanism is installed on the surface of the worktable.

Optionally, the surface of the clamping mechanism includes a first hydraulic rod, a pull rod, a folding pressure rod and a spring, and a pull rod is movably connected to the right side of the first hydraulic rod, and the pull rod is installed away from one end of the first hydraulic rod. There is a folding pressure rod, and the inner side of the folding pressure rod is connected with a spring.

Optionally, the first hydraulic rod is connected to each other through a pull rod and a folding pressing rod, and the clamping mechanism is symmetrical with respect to the vertical centerline of the main body of the bending machine.

Optionally, the surface of the worktable includes a slideway and a spacer, and the inner side of the worktable is provided with a spacer.

Optionally, the spacers are evenly distributed along the horizontal direction of the workbench, and the outer shape of the spacers is arc-shaped.

Optionally, the surface of the rotating track includes a fixed wheel, a steel rope, a positioning wheel, a pull plate and a bolt, and the surface of the fixed wheel is connected with a steel rope, the inner side of the steel rope is installed with a positioning wheel, and the steel rope is installed. A pull plate is connected below the pull plate, and the surface of the pull plate is provided with bolts.

Optionally, the fixed wheels are connected to each other through a steel rope and a pull plate, and the fixed wheels, the steel rope and the pull plate are all equally spaced and evenly distributed along the horizontal direction of the guide plate.

Optionally, the surface of the fixing mechanism includes a lifting hydraulic rod, a collar, a flat push rod, a rotating shaft, a connecting rod and a third hydraulic rod, and a collar is sleeved on the outer side of the lifting hydraulic rod, and the collar is The outer side is connected with a flat push rod, the surface of the flat push rod is provided with a rotating shaft, the rear side of the flat push rod is connected with a connecting rod, and the rear side of the connecting rod is installed with a third hydraulic rod.

Optionally, the flat push rod and the rotating shaft cooperate with each other to form a rotating structure, and the rotation range between the flat push rod and the rotating shaft is 0-90 degrees.

The invention provides a workpiece positioning and running speed control mechanism of a numerically controlled bending machine, which has the following beneficial effects:

1. The workpiece positioning and running speed control mechanism of the CNC bending machine is provided with a clamping mechanism. The clamping mechanism is mainly used to position and clamp the fixing mechanism to prevent the fixing mechanism from moving backward and affecting the function of the fixing mechanism. Folding the pressing rod Through the tension rod and the first hydraulic rod to open up and down, the setting of the spring can help the folding pressure rod to reset, greatly improve the elastic force of the folding pressure rod, and the screw rod will adjust the position of the clamping mechanism, which greatly increases the clamping mechanism. flexibility.

2. The workpiece positioning and running speed control mechanism of the CNC bending machine is provided with a worktable, which is convenient for placing the plate, and the middle section is concave downward, which is convenient for the plate to be pressed and bent. Friction with the edge of the recess under the table during the bending process.

3. The workpiece positioning and running speed control mechanism of the CNC bending machine is provided with a rotating crawler. The rotating crawler will drive the fixed wheel to the left through rotation, thereby pulling the steel rope to the left. The setting of the positioning wheel can The tension direction of the rope is changed to a vertical upward tension, which is convenient for the tension plate to exert force on the pressure roller.

4. The workpiece positioning and running speed control mechanism of the CNC bending machine is provided with a fixed mechanism, and the fixed mechanism will move the position through the setting of the slideway, so as to ensure the flexibility of the fixed mechanism, which is beneficial to the fixed mechanism for plates of different sizes. Positioning is fixed.

5. The workpiece positioning and running speed control mechanism of the CNC bending machine is provided with a fixed mechanism. The surface of the fixed mechanism is round and the interior is hollow. The horizontal push rod is lifted and lowered by lifting the hydraulic rod, which will not affect the horizontal push. The use of the rod, and at the same time, the flat push rod can also be retracted into the interior of the fixing mechanism to reduce the occurrence of collision damage.

Description of drawings

Fig. 1 is the front view structure schematic diagram of the present invention;

Fig. 2 is the three-dimensional structure schematic diagram of the guide plate of the present invention;

Fig. 3 is the structural schematic diagram of the clamping mechanism of the present invention;

Fig. 4 is the structural representation of the workbench of the present invention;

Fig. 5 is the top-view structure schematic diagram of the fixing mechanism of the present invention;

FIG. 6 is a schematic structural diagram of the operation speed control flow of the present invention.

In the figure: 1. Main body of bending machine; 2. CNC control box panel; 3. Installation rod; 4. Slide rod; 5. Slide sleeve; 6. Screw rod; 7. Clamping mechanism; 701, First hydraulic rod; 702, pull rod; 703, folding pressure rod; 704, spring; 8, worktable; 801, slideway; 802, gasket; 9, guide plate; 10, second hydraulic rod; 11, pressure rod; 12, rotating track ; 1201, fixed wheel; 1202, steel wire; 1203, positioning wheel; 1204, pulling plate; 1205, bolt; 13, runner; 14, pressing roller; 15, positioning hole; 16, fixing mechanism; 1601, lifting hydraulic rod ; 1602, collar; 1603, flat push rod; 1604, shaft; 1605, connecting rod; 1606, the third hydraulic rod.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments.

In the description of the present invention, unless otherwise stated, "plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer" The orientation or positional relationship indicated by , "front end", "rear end", "head", "tail", etc. are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, not An indication or implication that the referred device or element must have a particular orientation, be constructed and operate in a particular orientation, is not to be construed as a limitation of the invention. Furthermore, the terms "first," "second," "third," etc. are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integral connection. Ground connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

1 to 6, the present invention provides a technical solution: a workpiece positioning and running speed control mechanism of a CNC bending machine, including a bending machine main body 1 and a worktable 8, and the right side of the bending machine main body 1 The CNC control box panel 2 is electrically connected, and mounting rods 3 are welded on the left and right sides of the bottom of the main body 1 of the bending machine. The inner side of the bottom of the mounting rod 3 is connected with a sliding rod 4, and the surface of the sliding rod 4 is sleeved with a sliding rod. Sleeve 5, a screw rod 6 is arranged above the sliding rod 4, a clamping mechanism 7 is installed below the sliding rod 4, a guide plate 9 is installed above the worktable 8, and the worktable 8 is located below the clamping mechanism 7, A second hydraulic rod 10 is installed above the guide plate 9, and a pressure rod 11 is integrally connected to the bottom of the second hydraulic rod 10. A rotating crawler 12 is arranged above the second hydraulic rod 10, and the inner side of the rotating crawler 12 is two left and right. A runner 13 is installed on both sides, a pressure roller 14 is connected to the bottom of the pressure rod 11 , a positioning hole 15 is opened in the interior of the guide plate 9 , and a fixing mechanism 16 is installed on the surface of the worktable 8 .

Further, the surface of the clamping mechanism 7 includes a first hydraulic rod 701, a pull rod 702, a folding pressure rod 703 and a spring 704, and a pull rod 702 is movably connected to the right side of the first hydraulic rod 701, and the pull rod 702 is far away from the first hydraulic rod A folding pressure rod 703 is installed at one end of the 701, and a spring 704 is connected to the inner side of the folding pressure rod 703; play.

Further, the first hydraulic rod 701 is connected to each other through the pull rod 702 and the folding pressure rod 703, and the clamping mechanism 7 is symmetrical with respect to the vertical centerline of the main body 1 of the bending machine; the folding pressure rod 703 is connected to the first hydraulic pressure rod through the pull rod 702. The rod 701 is stretched up and down, and the setting of the spring 704 can help the folding and pressing rod 703 to reset, greatly improving the elastic force of the folding pressing rod 703, and the screw 6 will adjust the position of the clamping mechanism 7, greatly increasing the clamping mechanism 7 flexibility.

Further, the surface of the worktable 8 includes a slideway 801 and a spacer 802, and the inner side of the worktable 8 is provided with a spacer 802; bend.

Further, the gaskets 802 are evenly distributed along the horizontal direction of the worktable 8, and the outer shape of the gaskets 802 is arc-shaped; the rubber material used for the gaskets 802 can prevent the plate from being in a concave place with the worktable 8 during the bending process friction at the edges.

Further, the surface of the rotating crawler 12 includes a fixed wheel 1201, a steel rope 1202, a positioning wheel 1203, a pull plate 1204 and a bolt 1205, and the surface of the fixed wheel 1201 is connected with a steel rope 1202, and the inner side of the steel rope 1202 is installed with a positioning wheel 1203, and the bottom of the steel rope 1202 is connected with a pull plate 1204, and the surface of the pull plate 1204 is provided with bolts 1205; the rotating crawler 12 will drive the fixed wheel 1201 to the left by rotating, thereby pulling the steel rope 1202 to the left.

Further, the fixed wheel 1201 is connected to each other through the steel rope 1202 and the pull plate 1204, and the fixed wheel 1201, the steel rope 1202 and the pull plate 1204 are all equally spaced and evenly distributed along the horizontal direction of the guide plate 9; The setting can change the pulling force direction of the steel rope 1202 to a vertical upward pulling force, which is convenient for the pulling plate 1204 to exert force on the pressing roller 14 .

Further, the surface of the fixing mechanism 16 includes a lifting hydraulic rod 1601, a collar 1602, a horizontal push rod 1603, a rotating shaft 1604, a connecting rod 1605 and a third hydraulic rod 1606, and the outer side of the lifting hydraulic rod 1601 is sleeved with a collar 1602 , the outer side of the collar 1602 is connected with a flat push rod 1603, and the surface of the flat push rod 1603 is provided with a rotating shaft 1604, the rear side of the flat push rod 1603 is connected with a connecting rod 1605, and the rear side of the connecting rod 1605 is installed with a third hydraulic pressure The rod 1606; the fixing mechanism 16 will move the position through the setting of the slideway 801, thereby ensuring the flexibility of the fixing mechanism 16, which is beneficial for the fixing mechanism 16 to position and fix the plates of different sizes.

Further, the flat push rod 1603 and the rotating shaft 1604 cooperate with each other to form a rotating structure, and the rotation range between the flat push rod 1603 and the rotating shaft 1604 is 0-90 degrees; the surface of the fixing mechanism 16 is circular, and the interior is hollow. Lifting the flat push rod 1603 by raising and lowering the hydraulic rod 1601 will not affect the use of the flat push rod 1603, and at the same time, the flat push rod 1603 can also be retracted into the fixing mechanism 16 to reduce collision damage.

To sum up, when using the workpiece positioning and running speed control mechanism of the CNC bending machine, firstly, place the plate to be bent on the worktable 8, and use the slideway 801 to push the fixing mechanism 16 inward until it is close to the On both sides of the plate, secondly, the flat push rod 1603 is pushed upward from the interior of the fixing mechanism 16 by the lifting hydraulic rod 1601, and then the third hydraulic rod 1606 is used to push the flat push rod 1603 inward until the flat push rod 1603 and the plate Edge contact, and secondly, continue to push until the flat push rod 1603 is flattened by pressing, so as to complete the clamping and fixing of both sides of the plate, then the first hydraulic rod 701 is pulled back, and the folding push rod 703 is opened upward, and then , use the screw rod 6 to push the clamping mechanism 7 toward the fixing mechanism 16, the first hydraulic rod 701 stops working, and the folding pressure rod 703 is reset by means of the spring 704, thereby clamping the fixing mechanism 16 and completing the positioning of the fixing mechanism 16, prevent backward movement;

Finally, the initial running speed is set on the numerical control panel 2, the second hydraulic rod 10 presses the pressing rod 11 and the pressing roller 14 downward along the vertical direction of the positioning hole 15 on the guide plate 9, and the pressing roller 14 will Pressure is applied to the position where the sheet needs to be bent until it is bent. During the process, the control box is used to enter the execution program, the speed is re-regulated, and the parameters are set again. Pull the steel rope 1202 to the left, thereby exerting upward pulling force on the pressing roller 14, slowing down the pressing speed of the pressing roller 14, and setting aside time to set the specified parameters. After the setting is completed, continue at the reset preset speed. Operation, and finally, return to the original state, the end of the operation.

The above are only preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Equivalent replacements or changes to the inventive concept shall all fall within the protection scope of the present invention.

Claims (9)

1. A workpiece positioning and running speed control mechanism of a CNC bending machine, comprising a bending machine main body (1) and a workbench (8), characterized in that: the electrical properties of the right side of the bending machine main body (1) are A numerical control control box panel (2) is connected, and mounting rods (3) are welded on the left and right sides of the bottom of the bending machine main body (1), and a sliding rod (4) is connected to the inner side of the bottom of the mounting rod (3). A sliding sleeve (5) is sleeved on the surface of the sliding rod (4), a screw rod (6) is arranged above the sliding rod (4), and a clamping mechanism (7) is installed below the sliding rod (4). A guide plate (9) is installed above the workbench (8), and the workbench (8) is located below the clamping mechanism (7), and a second hydraulic rod (9) is installed above the guide plate (9). 10), and the bottom of the second hydraulic rod (10) is integrally connected with a pressure rod (11), a rotating crawler (12) is provided above the second hydraulic rod (10), and the inner side of the rotating crawler (12) Wheels (13) are installed on the left and right sides, a pressing roller (14) is connected to the bottom of the pressing rod (11), a positioning hole (15) is opened inside the guide plate (9), and the working table A fixing mechanism (16) is mounted on the surface of (8). 2. The workpiece positioning and running speed control mechanism of a CNC bending machine according to claim 1, characterized in that: the surface of the clamping mechanism (7) comprises a first hydraulic rod (701), a pull rod ( 702), a folding pressure rod (703) and a spring (704), and a pull rod (702) is movably connected to the right side of the first hydraulic rod (701), and the pull rod (702) is away from one end of the first hydraulic rod (701) A folding pressing rod (703) is installed, and a spring (704) is connected to the inner side of the folding pressing rod (703). 3. The workpiece positioning and running speed control mechanism of a CNC bending machine according to claim 2, wherein the first hydraulic rod (701) passes through the connection between the pull rod (702) and the folding pressure rod (703). They are connected to each other, and the clamping mechanism (7) is symmetrical with respect to the vertical centerline of the main body (1) of the bending machine. 4. The workpiece positioning and running speed control mechanism of a CNC bending machine according to claim 1, wherein the surface of the worktable (8) comprises a slideway (801) and a gasket (802) , and a gasket (802) is arranged on the inner side of the workbench (8). 5. The workpiece positioning and running speed control mechanism of a CNC bending machine according to claim 4, wherein the gasket (802) is evenly distributed along the horizontal direction of the worktable (8), and the gasket The outer shape of (802) is arcuate. 6. The workpiece positioning and running speed control mechanism of a CNC bending machine according to claim 1, wherein the surface of the rotating crawler (12) comprises a fixed wheel (1201), a steel rope (1202) , a positioning wheel (1203), a pulling plate (1204) and a bolt (1205), and a steel wire (1202) is connected to the surface of the fixed wheel (1201), and a positioning wheel (1203) is installed on the inner side of the steel wire (1202). , and a pulling plate (1204) is connected below the steel wire (1202), and the surface of the pulling plate (1204) is provided with a bolt (1205). 7 . The workpiece positioning and running speed control mechanism of a CNC bending machine according to claim 6 , wherein the fixed wheel ( 1201 ) is connected to each other through the steel rope ( 1202 ) and the pulling plate ( 1204 ). 8 . connected, and the fixed wheel (1201), the steel rope (1202) and the pulling plate (1204) are all equally distributed along the horizontal direction of the guide plate (9). 8. The workpiece positioning and running speed control mechanism of a CNC bending machine according to claim 1, wherein the surface of the fixing mechanism (16) comprises a lifting hydraulic rod (1601), a collar (1602) ), a flat push rod (1603), a rotating shaft (1604), a connecting rod (1605) and a third hydraulic rod (1606), and the outer side of the lifting hydraulic rod (1601) is sleeved with a collar (1602), the collar The outer side of (1602) is connected with a flat push rod (1603), and the surface of the flat push rod (1603) is provided with a rotating shaft (1604), the rear side of the flat push rod (1603) is connected with a connecting rod (1605), and A third hydraulic rod (1606) is mounted on the rear side of the connecting rod (1605). 9. The workpiece positioning and running speed control mechanism of a CNC bending machine according to claim 8, wherein the horizontal push rod (1603) and the rotating shaft (1604) cooperate with each other to form a rotating structure, and The rotation range between the flat push rod (1603) and the rotating shaft (1604) is 0-90 degrees.

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