Multi-edge bending center intermediate presser mechanism

Abstract

This utility model discloses a multi-sided bending center intermediate pressing knife mechanism, including an upper blade beam, a pressing knife, and a drive structure. The drive structure includes a motor, a lead screw, a sliding seat, a nut seat, and a connecting rod. The motor is mounted on the upper blade beam, and the lead screw is rotatably mounted on the upper blade beam. The motor and the lead screw are connected by a transmission. The nut seat is threadedly connected to the lead screw. The upper ends of the nut seat and the connecting rod are spaced vertically on the sliding seat, which is slidably mounted on the upper blade beam. The pressing knife is located at the lower end of the connecting rod. The transmission connection between the lead screw and the sliding seat improves stability. Furthermore, during installation, the connection position of the upper end of the connecting rod can be adjusted vertically according to the height of the upper blade beam, allowing for errors in the length of the connecting rod, thus facilitating installation.

Description

Technical Field

[0001] This utility model relates to the field of bending machine technology, and in particular to a multi-sided bending center intermediate pressing knife mechanism. Background Technology

[0002] To improve bending flexibility, bending machines typically incorporate an intermediate pressure cutter. The existing intermediate pressure cutter operates by an intermediate cylinder that drives a lifting block up and down within the main body via a tie rod, thereby adjusting the cutter's height. This allows the cutter to fully extend and press against the workpiece, or retract to expand the adjustment range. During installation, different tie rod lengths are required for upper cutter beams of varying heights. If the tie rod is too short, the maximum stroke range of the cutter cannot be met; if the tie rod is too long, it cannot be matched to the cylinder's stroke range. Therefore, high installation precision is required. Utility Model Content

[0003] The purpose of this utility model is to provide a multi-sided bending center intermediate pressing mechanism to solve one or more technical problems existing in the prior art, and at least provide a beneficial option or create conditions.

[0004] The technical solution adopted to solve the above-mentioned technical problems is as follows:

[0005] This utility model provides a multi-sided bending center intermediate pressing knife mechanism, including an upper knife beam, a pressing knife, and a drive structure. The drive structure includes a motor, a lead screw, a sliding seat, a nut seat, and a connecting rod. The motor is located on the upper knife beam, and the lead screw is rotatably located on the upper knife beam. The motor and the lead screw are connected by transmission. The nut seat is threadedly connected to the lead screw. The upper ends of the nut seat and the connecting rod are spaced apart on the sliding seat. The sliding seat is slidably located on the upper knife beam, and the pressing knife is located at the lower end of the connecting rod.

[0006] The beneficial effects of this utility model are:

[0007] The connection is made through a lead screw and sliding seat, which improves stability. During installation, the connection position of the upper end of the connecting rod can be adjusted up and down according to the height of the upper blade beam, allowing for errors in the length of the connecting rod and facilitating installation.

[0008] As a further improvement to the above technical solution, a mounting block is provided at the bottom of the upper blade beam, and the connecting rod slides through the mounting block.

[0009] As a further improvement to the above technical solution, the mounting block is slidably connected to the bottom of the upper blade beam.

[0010] As a further improvement to the above technical solution, the connecting rod includes a first connecting rod and a second connecting rod that are hinged to each other. The first connecting rod is connected to the sliding seat, and the second connecting rod passes through the mounting block and is connected to the pressure knife.

[0011] As a further improvement to the above technical solution, the upper end of the second connecting rod is provided with a groove that extends in the same direction as the sliding block, and the lower end of the first connecting rod is hinged to the groove.

[0012] As a further improvement to the above technical solution, the pressure knife is slidably mounted on the mounting block.

[0013] As a further improvement to the above technical solution, the pressure knife is provided with slide rails on both sides, and the mounting block is provided with a slider that is slidably connected to the slide rails.

[0014] As a further improvement to the above technical solution, the mounting block is provided with a mounting cavity, and the mounting block is also provided with two clamping cylinders. The connecting rod passes through the mounting cavity, and the clamping cylinder is provided with a clamping end that extends into the mounting cavity. The two clamping ends are used to clamp and fix the connecting rod.

[0015] As a further improvement to the above technical solution, the mounting cavity is provided with two limiting blocks, which form a clamping hole for the connecting rod to pass through, and the two clamping ends are respectively located on the outside of the two limiting blocks.

[0016] As a further improvement to the above technical solution, the upper blade beam is provided with a sliding rail, and the sliding seat is slidably disposed on the sliding rail. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0018] Figure 1 This is a schematic diagram of an embodiment of the polygonal bending center intermediate pressing knife mechanism provided by this utility model, wherein the six arrows respectively represent forward, backward, left, right, upward and downward directions;

[0019] Figure 2 This is a schematic diagram of an embodiment of the polygonal bending center intermediate pressing knife mechanism provided by this utility model, wherein the six arrows respectively represent forward, backward, left, right, upward and downward directions;

[0020] Figure 3 This is a schematic diagram of an embodiment of the polygonal bending center intermediate pressing knife mechanism provided by this utility model, wherein the six arrows respectively represent forward, backward, left, right, upward and downward directions;

[0021] Figure 4 This is a schematic diagram of an embodiment of the polygonal bending center intermediate pressing knife mechanism provided by this utility model, wherein the six arrows respectively represent forward, backward, left, right, upward and downward directions;

[0022] Figure 5This is a partial structural diagram of an embodiment of the polygonal bending center intermediate pressing knife mechanism provided by this utility model, wherein the six arrows respectively represent forward, backward, left, right, upward and downward directions;

[0023] Figure 6 This is a partial structural diagram of an embodiment of the polygonal bending center intermediate pressing knife mechanism provided by this utility model, wherein the six arrows represent forward, backward, left, right, upward and downward directions, respectively.

[0024] Figure label:

[0025] Upper blade beam 100, mounting block 110, clamping cylinder 111, sliding rail 120, limit block 130, clamping hole 131, pressing blade 200, sliding rail 210, drive structure 300, motor 310, lead screw 320, sliding seat 330, nut seat 340, connecting rod 350, first connecting rod 351, second connecting rod 352, groove 3521. Detailed Implementation

[0026] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0027] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0028] In the description of this utility model, if there are words such as "several", they mean one or more, "multiple" means two or more, "greater than", "less than", "exceeding" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself.

[0029] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0030] Reference Figures 1 to 6 The polygonal bending center intermediate pressing knife mechanism of this utility model is implemented in the following embodiment:

[0031] The intermediate pressing mechanism of the polygonal bending center includes an upper blade beam 100, a pressing blade 200, and a drive structure 300. The upper blade beam 100 is located on the bending machine, and the intermediate pressing mechanism is located in the middle of the upper blade beam 100. Its core function is to dynamically compensate for the adjustment error of the blade assembly, ensuring that the upper pressing blade 200 fits tightly against the workpiece, avoiding twisting or swaying caused by gaps, thereby improving bending accuracy and product quality. Its simple structure and fast response, combined with an automated control system, enable efficient and precise bending processing.

[0032] The drive structure 300 includes a motor 310, a lead screw 320, a sliding seat 330, a nut seat 340, and a connecting rod 350. The motor 310 is mounted on the upper cutter beam 100, providing power to the entire drive structure 300. The lead screw 320 is rotatably mounted on the upper cutter beam 100, extending vertically, a design that allows subsequent transmission and lifting movements to occur vertically. The upper end of the motor 310 is connected to the lead screw 320, enabling efficient power transmission to the lead screw 320 when the motor 310 starts, driving the lead screw 320 to rotate.

[0033] The nut seat 340 and the lead screw 320 are connected by a thread. This connection has a self-locking characteristic, ensuring that the nut seat 340 can slide stably and precisely along the axis of the lead screw 320 during rotation. The upper ends of the nut seat 340 and the connecting rod 350 are arranged on the sliding seat 330 in a spaced-apart manner. This layout ensures both structural compactness and provides reasonable space for subsequent transmission and action. The pressure cutter 200 is mounted on the lower end of the connecting rod 350 and moves with the connecting rod 350. The sliding seat 330 is slidably mounted on the upper cutter beam 100, providing reliable sliding support for the entire moving part and ensuring the smoothness of the movement process.

[0034] During operation, when the motor 310 starts and drives the lead screw 320 to rotate, the nut seat 340 slides along the axis of the lead screw 320 due to the threaded connection between the nut seat 340 and the lead screw 320. This sliding of the nut seat 340 causes the sliding seat 330 to slide on the upper tool beam 100, which in turn drives the pressure tool 200 to move up and down via the connecting rod 350. This drive structure 300 has many beneficial effects: First, by driving the lead screw 320 to rotate via the motor 310, and then the lead screw 320 driving the nut seat 340 and the pressure tool 200, the transmission process is smooth and precise, effectively reducing vibration and errors during movement, improving the accuracy and stability of the pressure tool 200's lifting and lowering, thus ensuring processing quality; second, the self-locking characteristic of the threaded connection allows the pressure tool 200 to remain in its current position when it stops moving, preventing it from moving arbitrarily due to external forces, further enhancing the reliability and safety of the structure; finally, the entire drive structure 300 has a reasonable and compact layout, occupies little space, and is easy to install and maintain.

[0035] In addition, during installation, the connection position of the upper end of the connecting rod 350 can be adjusted up and down according to the height of the upper blade beam 100, allowing for errors in the length dimension of the connecting rod 350, which facilitates installation.

[0036] To further improve the stability of the pressure cutter 200, a mounting block 110 is provided at the bottom of the upper cutter beam 100. The mounting block 110 has a through hole running vertically through it, through which the connecting rod 350 passes and slides up and down. In some other embodiments, a sliding groove can also be provided to allow the connecting rod 350 to slide up and down within the groove, thereby improving stability.

[0037] In the bending machine, the upper blade beam 100 is also equipped with other blade assembly components. Generally, a sliding rail 120 is provided at the bottom of the upper blade beam 100. The other blade assembly components can slide left and right along the bottom of the upper blade beam 100 under the drive of other driving devices. Therefore, this application provides a dovetail groove at the top of the mounting block 110, so that the mounting block 110 is slidably connected to the sliding rail 120 at the bottom of the upper blade beam 100. By pushing and moving the other blade assembly components, the position of the pressure blade 200 in the left and right directions can be finely adjusted, making the bending position adjustment more precise.

[0038] To cooperate with the fine-tuning pressure knife 200, the connecting rod 350 includes a first connecting rod 351 and a second connecting rod 352 hinged to each other. The upper end of the first connecting rod 351 is detachably threaded to the sliding seat 330, and the second connecting rod 352 passes through the mounting block 110 and connects to the pressure knife 200. The second connecting rod 352 and the pressure knife 200 follow the mounting block 110 for fine-tuning. To better limit the left and right fine-tuning direction, the upper end of the second connecting rod 352 is provided with a groove 3521 that extends in the same direction as the sliding block 110. The groove 3521 extends left and right, and the lower end of the first connecting rod 351 is hinged to the groove 3521. When the mounting block 110 is moved slightly left and right, the second connecting rod 352 also moves slightly left and right accordingly.

[0039] To improve the sliding stability of the pressure knife 200, slide rails 210 are provided on both sides of the pressure knife 200, and the mounting block 110 is provided with a slider that is slidably connected to the slide rails 210. The pressure knife 200 is slidably mounted on the mounting block 110.

[0040] Further improvements include an internal mounting cavity in the mounting block 110, which provides a stable mounting foundation for the subsequent clamping mechanism. Additionally, two clamping cylinders 111 are mounted on the mounting block 110. These two cylinders, as core drive components, function to clamp and release the connecting rod 350.

[0041] The connecting rod 350 extends through the mounting cavity, and its position is directly related to the vertical movement of the pressure tool 200. The clamping cylinders 111 are equipped with clamping ends that extend into the mounting cavity, and these two clamping ends are respectively located on the left and right sides of the connecting rod 350. When the pressure tool 200 is adjusted to a suitable position in the vertical direction, the two clamping cylinders 111 operate synchronously, driving the clamping ends to approach and tightly clamp the connecting rod 350, thereby fixing the position of the connecting rod 350. Since the connecting rod 350 is tightly connected to the pressure tool 200, this clamping action also indirectly serves to fix the pressure tool 200, effectively preventing loosening due to vibration or other factors during processing, and greatly improving the stability and accuracy of processing.

[0042] When the position of the pressure cutter 200 needs to be adjusted in the vertical direction, the clamping cylinder 111 reverses its action, driving the clamping end to release the connecting rod 350. At this time, the connecting rod 350 can move freely up and down under the action of external force, driving the pressure cutter 200 to the new processing position. This flexible clamping and releasing mechanism makes the position adjustment of the pressure cutter 200 both convenient and efficient.

[0043] To further improve the stability of the connecting rod 350's movement, two limiting blocks 130 are specially provided inside the mounting cavity. These two limiting blocks 130 cooperate with each other to form a clamping hole 131 for the connecting rod 350 to pass through, which serves as a limiting function and further reduces the shaking and offset of the connecting rod 350 during movement.

[0044] The preferred embodiments of the present invention have been described in detail above. However, the present invention is not limited to the embodiments. Those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention. All such equivalent modifications or substitutions are included within the scope defined by the claims of this application.

Claims

1. A multi-sided bending center intermediate pressing knife mechanism, characterized in that, include: Upper blade beam; Pressing knife; The drive structure includes a motor, a lead screw, a sliding seat, a nut seat, and a connecting rod. The motor is mounted on the upper cutter beam, the lead screw is rotatably mounted on the upper cutter beam, the motor and the lead screw are connected by transmission, the nut seat is threadedly connected to the lead screw, the upper ends of the nut seat and the connecting rod are spaced apart on the sliding seat, the sliding seat is slidably mounted on the upper cutter beam, and the pressure cutter is mounted on the lower end of the connecting rod.

2. The polygonal bending center intermediate pressing mechanism according to claim 1, characterized in that: The bottom of the upper blade beam is provided with a mounting block, and the connecting rod slides through the mounting block.

3. The polygonal bending center intermediate pressing mechanism according to claim 2, characterized in that: The mounting block is slidably connected to the bottom of the upper blade beam.

4. The polygonal bending center intermediate pressing mechanism according to claim 3, characterized in that: The connecting rod includes a first connecting rod and a second connecting rod that are hinged to each other. The first connecting rod is connected to the sliding seat, and the second connecting rod passes through the mounting block and is connected to the pressure knife.

5. The polygonal bending center intermediate pressing mechanism according to claim 4, characterized in that: The upper end of the second connecting rod is provided with a groove that extends in the same direction as the mounting block in one direction, and the lower end of the first connecting rod is hinged to the groove.

6. The polygonal bending center intermediate pressing mechanism according to claim 2, characterized in that: The pressure knife is slidably mounted on the mounting block.

7. The polygonal bending center intermediate pressing mechanism according to claim 6, characterized in that: The pressure knife is provided with slide rails on both sides, and the mounting block is provided with a slider that is slidably connected to the slide rails.

8. The polygonal bending center intermediate pressing mechanism according to claim 2, characterized in that: The mounting block has a mounting cavity and two clamping cylinders. The connecting rod passes through the mounting cavity, and the clamping cylinders have clamping ends that extend into the mounting cavity. The two clamping ends are used to clamp and fix the connecting rod.

9. The polygonal bending center intermediate pressing mechanism according to claim 8, characterized in that: The mounting cavity is provided with two limiting blocks, which form a clamping hole for the connecting rod to pass through.

10. The polygonal bending center intermediate pressing mechanism according to claim 1, characterized in that: The upper blade beam is provided with a sliding rail, and the sliding seat is slidably disposed on the sliding rail.

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