Power hinge cutter unit for bending center

Abstract

The utility model provides a power hinge knife unit for a bending center, which belongs to the field of bending centers and comprises a knife rest, a knife holder is mounted at the lower end of the knife rest, and a power hinge knife is mounted on the knife holder. A hinge knife transverse pressing plate is vertically and slidably installed on the surface of the knife rest through a linear guide rail, the downward pressing action range of the hinge knife transverse pressing plate covers all adjustable positions of the power hinge knife on the knife holder, and the two ends of the hinge knife transverse pressing plate are both in transmission connection with linear driving mechanisms. And the hinge knife transverse pressing plate can be controlled to move up and down under the action of the linear driving mechanism so as to press the power hinge knife downwards. The device has the beneficial effects that after the position of the power hinge cutter is adjusted, the synchronous position adjustment of the power mechanism is not needed, so that the manual cutter splicing time is saved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of bending center, specifically relates to a power hinge cutter unit for bending center. BACKGROUND

[0002] In the application field of modern bending center, the power hinge cutter as the key working component often needs to replace the installation position according to the processing demand. However, there is a significant defect in the prior art: when the position of the power hinge cutter is replaced, the matched power mechanism must be adjusted in position synchronously. This secondary adjustment operation not only seriously affects the working efficiency of the bending center, but also greatly increases the time cost of the staff, and restricts the continuous production capacity of the equipment.

[0003] Previously, the industry tried to integrate the power mechanism on the cutter body to solve this problem, which improved the adjustment efficiency to some extent, but led to a significant increase in the volume of the cutter. This change directly limits the size range and types of the plate that can be processed by the bending center, reduces the versatility and processing flexibility of the equipment, and cannot meet the diversified production needs.

[0004] Therefore, at present, there is still a lack of an effective solution that takes into account efficiency, cost and equipment compatibility for the problem of power hinge cutter position adjustment and power mechanism adaptation. UTILITY MODEL CONTENTS

[0005] The utility model aims at overcoming the low efficiency, high time cost caused by the synchronous movement of the power mechanism during the position adjustment of the power hinge cutter in the prior art, and the insufficient processing range caused by the large volume of the cutter after integrating the power mechanism, and provides a power hinge cutter unit for bending center to meet the application needs in actual production.

[0006] In order to achieve the above-mentioned purpose, the technical scheme provided by the utility model is as follows: a power hinge cutter unit for bending center, which comprises a cutter holder, a cutter seat is installed at the lower end of the cutter holder, and a power hinge cutter is installed on the cutter seat; a hinge cutter cross plate is vertically slidably installed on the surface of the cutter holder through a linear guide rail, the pressing range of the hinge cutter cross plate covers all adjustable positions of the power hinge cutter on the cutter seat, linear driving mechanisms are drivingly connected to both ends of the hinge cutter cross plate, and the hinge cutter cross plate can move up and down under the action of the linear driving mechanisms to press the power hinge cutter.

[0007] Further, the hinge knife horizontal pressing plate comprises symmetrically arranged left and right horizontal pressing plates, a linear driving mechanism is drivingly connected to the left side of the left horizontal pressing plate, and a linear driving mechanism is drivingly connected to the right side of the right horizontal pressing plate; an intermediate connecting piece is connected between the right side of the left horizontal pressing plate and the left side of the right horizontal pressing plate, and the left and right horizontal pressing plates are connected into a whole through the intermediate connecting piece, thereby ensuring the unity of the actions of the left and right horizontal pressing plates.

[0008] Further, the linear driving mechanism comprises a motor mounting plate mounted on the surface of the knife holder, a driving motor is mounted on the surface of the motor mounting plate, a gear is mounted on the output shaft of the driving motor, a vertical rack is engaged with the gear, and the vertical rack is fixedly mounted on the end of the corresponding horizontal pressing plate; the corresponding horizontal pressing plate can be driven to vertically move through the cooperation between the vertical rack and the gear, so as to realize the corresponding pressing action.

[0009] Further, an elongated hole is formed through the surface of the motor mounting plate, the length direction of the elongated hole is parallel to the length direction of the hinge knife horizontal pressing plate, the motor mounting plate is connected with the knife holder through the fastener penetrating the elongated hole; a horizontal jacking mechanism is arranged on the side of the motor mounting plate away from the hinge knife horizontal pressing plate, and the horizontal jacking mechanism ensures the stable engagement between the gear and the vertical rack.

[0010] Further, the horizontal jacking mechanism comprises a motor plate jacking block fixedly mounted on the knife holder, at least two threaded holes are horizontally formed through the surface of the motor plate jacking block, a jack rod is threadedly connected in the threaded hole, one end of the jack rod abuts against the motor mounting plate after penetrating the threaded hole, and the extension length of the jack rod can be adjusted by screwing the jack rod, so as to ensure that the corresponding motor mounting plate can be jacked.

[0011] Further, the surface of the hinge knife horizontal pressing plate is provided with a weight-reducing hole, and the weight of the hinge knife horizontal pressing plate can be reduced through the weight-reducing hole.

[0012] Further, the surface of the hinge knife horizontal pressing plate is provided with an avoiding hole, and the avoiding hole facilitates the operation of the lower pressing knife and the power hinge knife on the knife seat by the staff.

[0013] Further, the driving motor is a servo motor, which greatly improves the control accuracy of the whole unit.

[0014] From the above technical scheme can be seen, the utility model has the following advantages: first, because the utility model designs the hinge knife horizontal pressing plate capable of covering all possible positions of the power hinge knife on the tool holder, after adjusting the position of the power hinge knife, it is not necessary to adjust the synchronous position of the power mechanism, thereby saving the artificial knife assembling time; secondly, the utility model can ensure the linkage action uniformity of the left horizontal pressing plate and the right horizontal pressing plate through the guiding action of the linear guide rail and the bridging structure of the intermediate connecting piece; at the same time, the utility model can also ensure that the whole structure is simple, stable and practical through the transmission connection relationship of the gear and the vertical rack and the power control of the driving motor. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the utility model, the following will briefly introduce the drawings needed to be used in the description, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0016] Figure 1 It is the structural schematic diagram of the specific embodiment of the utility model;

[0017] Figure 2 It is the structural schematic diagram of the linear driving mechanism in the utility model (the top rod is not drawn).

[0018] In the drawing: 1, right horizontal pressing plate; 2, intermediate connecting piece; 3, linear guide rail; 4, gear; 5, vertical rack; 6, motor plate pressing block; 7, tool holder; 8, left horizontal pressing plate; 9, weight reduction hole; 10, motor mounting plate; 11, tool holder; 12, power hinge knife; 13, avoiding hole; 14, hinge knife horizontal pressing plate; 15, long hole; 16, driving motor; 17, screw hole. PREFERRED EMBODIMENT

[0019] In order to make the purpose, features and advantages of the utility model more obvious and easy to understand, the following will combine the drawings in the specific embodiment, and the technical scheme in the utility model is described clearly and completely, obviously, the following described embodiments are only some embodiments of the utility model, not all the embodiments. Based on the embodiments in the patent, all other embodiments obtained by those skilled in the art without creative labor are within the scope of the patent protection.

[0020] As Figure 1 , Figure 2The utility model provides a power hinge sword unit for bending center, it includes sword rest 7, the lower end of sword rest 7 is installed with sword seat 11, power hinge sword 12 and down sword are installed to sword seat 11, the surface of sword rest 7 is vertically slidably installed with hinge sword horizontal pressure plate 14 through multiple linear guides 3, and the down pressure range of hinge sword horizontal pressure plate 14 covers all adjustable positions of power hinge sword 12 on sword seat 11, to down pressure action is carried out to the pressure rod of power hinge sword 12.

[0021] Specifically in the embodiment, the hinge sword horizontal pressure plate 14 includes the left side horizontal pressure plate 8 and right side horizontal pressure plate 1 symmetrically arranged in the front side of sword rest 7, the left side horizontal pressure plate 8 and right side horizontal pressure plate 1 are vertically slidably installed on sword rest 7 through multiple linear guides 3.Also, the right side of left side horizontal pressure plate 8 and the left side of right side horizontal pressure plate 1 are connected with intermediate connecting piece 2, and left side horizontal pressure plate 8 and right side horizontal pressure plate 1 are connected as a whole through intermediate connecting piece 2, to ensure the action uniformity of left side horizontal pressure plate 8 and right side horizontal pressure plate 1.The left side of left side horizontal pressure plate 8 is drivingly connected with a linear drive mechanism, the right side of right side horizontal pressure plate 1 is drivingly connected with a linear drive mechanism, and the synchronous up-down movement of left side horizontal pressure plate 8 and right side horizontal pressure plate 1 is controlled through the action of two linear drive mechanisms, to carry out down pressure action to power hinge sword 12.

[0022] The linear drive mechanism can adopt any one of common linear drive mechanisms such as gear and rack transmission structure, ball screw transmission structure, hydraulic drive structure, pneumatic drive structure, linear motor drive structure, etc.For example, when it adopts gear and rack transmission structure, the linear drive mechanism includes motor mounting plate 10 installed on the surface of sword rest 7, the surface of motor mounting plate 10 is installed with drive motor 16, and the drive motor 16 preferably adopts servo motor.The output shaft of drive motor 16 is installed with gear 4 by means of key, shaft coupling and other components, the gear 4 is engaged with vertical rack 5, and the vertical rack 5 is fixedly installed on the end of corresponding horizontal pressure plate, so that the corresponding horizontal pressure plate is vertically moved through the cooperation between the vertical rack 5 and gear 4, to realize the corresponding down pressure action.

[0023] Meanwhile, as preferred, the utility model discloses still can install the installation structure of motor mounting plate 10 as adjustable structure to guarantee that gear 4 and vertical rack 5 meshing stability. Specifically to this embodiment, it can be on the surface of motor mounting plate 10 through long hole 15, and make the length direction of long hole 15 with the length direction of hinge blade horizontal pressure plate 14 parallel, then make motor mounting plate 10 through the bolt of long hole 15 and the fastener such as blade holder 7 are connected, the horizontal jacking mechanism is arranged on the side of motor mounting plate 10 away from hinge blade horizontal pressure plate 14. The horizontal jacking mechanism includes the motor plate jacking block 6 of fixed installation on blade holder 7, the surface of motor plate jacking block 6 is through at least two threaded holes 17, and the threaded hole 17 is screw threaded with the jacking rod, the one end of jacking rod is through threaded hole 17 and is abutted with motor mounting plate 10, to make it can be through the jacking rod and adjust the extension length of jacking rod, to guarantee that it can jacking corresponding motor mounting plate 10, and then guarantee that gear 4 and vertical rack 5 meshing stability.

[0024] In addition, the utility model discloses still can set up lightening hole 9 and avoiding hole 13 on the surface of hinge blade horizontal pressure plate 14, and the weight of hinge blade horizontal pressure plate 14 is lightened through lightening hole 9, and the down-pressing blade on the blade seat 11, power hinge blade is operated to staff through avoiding hole 13.

[0025] Based on this, because the utility model discloses can cover the hinge blade horizontal pressure plate 14 of all possible positions of power hinge blade 12 on blade seat 11, after adjusting the position of power hinge blade 12, it is not necessary to carry out synchronous position adjustment to power mechanism, thereby saving manual sword time. Meanwhile, the utility model discloses can guarantee the linkage action uniformity of left side horizontal pressure plate 8 and right side horizontal pressure plate 1 through the guiding effect of linear guide rail 3, the bridging structure of intermediate connecting piece 2, through the transmission connection relation of gear 4 and vertical rack 5, and the power control of driving motor 16, guarantee that the whole structure is simple, stable and practical.

[0026] The above description of the disclosed embodiments enables a person skilled in the art to implement or use the utility model. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the utility model. Accordingly, the utility model will not be limited to the embodiments shown herein, but is intended to cover within the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A power hinge knife unit for bending center, comprising a knife holder (7), a lower end of the knife holder (7) is provided with a knife seat (11), the knife seat (11) is provided with a power hinge knife (12); characterized in that, The surface of the tool rest (7) is vertically slidably provided with a hinge tool horizontal pressing plate (14) through a linear guide rail (3), the pressing range of the hinge tool horizontal pressing plate (14) covers all adjustable positions of the power hinge tool (12) on the tool holder (11), and the two ends of the hinge tool horizontal pressing plate (14) are both drivingly connected with linear driving mechanisms.

2. The power hinge knife unit for bending centers of claim 1, wherein, The hinge tool horizontal pressing plate (14) comprises a left horizontal pressing plate (8) and a right horizontal pressing plate (1) which are symmetrically arranged, one linear driving mechanism is drivingly connected to the left side of the left horizontal pressing plate (8), and one linear driving mechanism is drivingly connected to the right side of the right horizontal pressing plate (1); the right side of the left horizontal pressing plate (8) and the left side of the right horizontal pressing plate (1) are connected with an intermediate connecting piece (2).

3. The power hinge knife unit for bending centers of claim 2, wherein, The linear driving mechanism comprises a motor mounting plate (10) mounted on the surface of the tool rest (7), a driving motor (16) mounted on the surface of the motor mounting plate (10), a gear (4) mounted on the output shaft of the driving motor (16), a vertical rack (5) engaged with the gear (4), and the vertical rack (5) is fixedly installed on the end of the corresponding horizontal pressing plate.

4. The power hinge knife unit for bending centers of claim 3, wherein, The surface of the motor mounting plate (10) is provided with an elongated hole (15), the length direction of the elongated hole (15) is parallel to the length direction of the hinge tool horizontal pressing plate (14), and the motor mounting plate (10) is connected with the tool rest (7) through a fastener penetrating the elongated hole (15); a horizontal clamping mechanism is arranged on the side of the motor mounting plate (10) away from the hinge tool horizontal pressing plate (14).

5. The power hinge knife unit for bending centers of claim 4, wherein, The horizontal clamping mechanism comprises a motor plate clamping block (6) fixedly installed on the tool rest (7), at least two threaded holes (17) horizontally penetrating the surface of the motor plate clamping block (6), a jack screw threadedly connected in the threaded hole (17), and one end of the jack screw abutting against the motor mounting plate (10) after penetrating the threaded hole (17).

6. The power hinge knife unit for bending centers of claim 1, wherein, The surface of the hinge tool horizontal pressing plate (14) is provided with a weight-reducing hole (9).

7. The power hinge knife unit for bending centers of claim 1, wherein, The surface of the hinge tool horizontal pressing plate (14) is provided with an avoiding hole (13).

8. The power hinge knife unit for bending centers of claim 3, wherein, The driving motor (16) is a servo motor.

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