Universal bending die convenient to adjust

Abstract

The utility model relates to the field of bending processing, and discloses a universal bending die convenient to adjust, which comprises a lower die block and a plurality of upper die blocks, the cross section of the lower die block is square, and at least one bending groove is arranged on each of the four surfaces of the lower die block; the die further comprises a lower die base and a jacking assembly, a containing groove used for containing the lower die block is formed in the upper surface of the lower die base and comprises a U-shaped groove and a limiting groove formed in the bottom of the U-shaped groove, the width of the limiting groove is matched with that of the lower die block, and the width of the U-shaped groove is not smaller than the rotation diameter of the lower die block with the center of the U-shaped groove as the axis. Rotating shafts are arranged at the two ends of the lower module, the two jacking assemblies are fixed to the two ends of the bending machine, and the ejection ends of the jacking assemblies are rotationally connected with the rotating shafts and used for jacking the lower module when the lower module is adjusted. According to the utility model, the rapid adjustment of the lower module is realized, the adjustment is time-saving and labor-saving, hoisting equipment is not needed, and potential safety hazards do not exist.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of bending processing, especially to a general bending die convenient to adjust. BACKGROUND

[0002] At present, for the bending process of sheet metal parts, it is usually necessary to bend the sheet metal parts by using a bending die. The bending die comprises an upper die block and a lower die block. The upper die block is a convex part, usually a plate-shaped part, and is generally provided with multiple blocks which are selected according to the bending length. The surface of the lower die block is formed with a groove, and the upper die block can be matched with the groove of the lower die block to control the bending degree of the processed sheet part according to the curvature radius of the groove and the force of die closing. In the actual design process of the bending die, the four surfaces of the lower die block are usually designed with different size grooves to meet the bending requirements of different sheet metal parts and reduce the cost of die making.

[0003] In the prior art, the lower die block is directly positioned and fixed on the bending machine by a clamping assembly. If the groove on the upper surface of the lower die block cannot meet the bending requirements of the processed sheet metal part, the clamping assembly needs to be loosened, the lower die block needs to be turned over, the groove surface that can meet the bending requirements of the processed sheet metal part needs to be selected, and then the lower die block needs to be repositioned and fixed. The above operation is completely completed by manual work. Since the weight of the lower die block is heavy, it needs to be completed by using a lifting device such as a traveling crane, which is time-consuming and laborious, and there is a safety hazard of falling of the lower die block. Therefore, the present application provides a general bending die convenient to adjust which is reasonable in design, can quickly adjust the lower die block to meet the bending process requirements, and has the advantages of simple operation, time saving and labor saving. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at solving the technical problems existing in the prior art. To this end, the utility model provides a general bending die convenient to adjust which is reasonable in design, can quickly adjust the lower die block to meet the bending process requirements, and has the advantages of simple operation, time saving and labor saving.

[0005] The utility model solves the technical problems by adopting the following technical scheme:

[0006] The utility model provides a general bending die convenient to adjust, which comprises a lower die block and multiple upper die blocks. The cross section of the lower die block is square, and at least one bending groove is arranged on each surface of the lower die block. The utility model further comprises a lower die seat and a jacking assembly. The upper surface of the lower die seat is provided with a containing groove for placing the lower die block. The containing groove comprises a U-shaped groove and a limiting groove arranged at the bottom of the U-shaped groove. The width of the limiting groove matches the width of the lower die block, and the width of the U-shaped groove is not less than the rotation diameter of the lower die block with the center as the axis. The two ends of the lower die block are provided with rotating shafts, and the jacking assembly is fixed to the two ends of the bending machine. The jacking end of the jacking assembly is rotationally connected with the rotating shafts, and is used for jacking up the lower die block when the lower die block is adjusted.

[0007] In some alternative embodiments, axial limiting assemblies are further included, two of which are arranged at the two ends of the lower die base to prevent the left and right movement of the lower die module.

[0008] In some alternative embodiments, the axial limiting assembly includes a positioning cover arranged at the end of the lower die base, and the positioning cover is provided with a clearance groove for avoiding the passing of the rotating shaft.

[0009] In some alternative embodiments, the axial limiting assembly further includes a sliding block and a ball bearing, the clearance groove is further provided with a limiting sliding groove, the sliding block is movably arranged in the limiting sliding groove, and the outer ring of the ball bearing is interference-fitted in the sliding block, and the inner ring of the ball bearing is interference-fitted with the rotating shaft.

[0010] In some alternative embodiments, the jacking assembly includes a jacking cylinder, a movable sleeve and a connecting rod, the movable sleeve is rotatably arranged on the shaft head of the rotating shaft, one end of the connecting rod is fixedly connected with the movable sleeve, and the other end of the connecting rod is connected with the jacking rod of the jacking cylinder through a sleeve, and the sleeve is threadedly connected with the connecting rod.

[0011] In some alternative embodiments, the jacking cylinder is a single-acting cylinder, and the jacking cylinder is fixedly arranged on the bending machine.

[0012] In some alternative embodiments, the two ends of the lower die base are fixedly arranged on the bending machine through the clamping assembly.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1. The lower die module can be jacked up by the jacking assembly to be separated from the limiting groove in the lower die base, at this time, the lower die module can be rotated, the required bending groove can be selected, then the lower die module is kept in a horizontal state, the jacking assembly is controlled to reset, and the lower die module is returned to the limiting groove, so that the lower die module can be quickly adjusted, time and labor are saved, hoisting equipment is not needed, and there is no safety hazard.

[0015] 2. The axial limiting assembly can ensure the position stability of the lower die module and improve the use safety of the mold. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the drawings needed to be used in the embodiment description will be briefly introduced, and 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 be obtained according to these drawings without creating creative labor, wherein:

[0017] Figure 1It is the structural schematic diagram of the general type bending die convenient to adjust provided by the utility model;

[0018] Figure 2 It is the partial structure diagram of the top view of the general type bending die convenient to adjust provided by the utility model;

[0019] Figure 3 It is the partial structure diagram of the side view of the general type bending die convenient to adjust provided by the utility model.

[0020] In the drawings, the component list represented by each sign is as follows:

[0021] 1 - upper module, 2 - lower module, 2.0 - bending groove, 2.1 - rotating shaft, 3 - lower die holder, 3.1 - U-shaped groove, 3.2 - limiting groove, 4 - jacking assembly, 4.1 - jacking cylinder, 4.2 - movable sleeve, 4.3 - connecting rod, 4.4 - sleeve, 5 - axial limiting assembly, 5.1 - positioning cover plate, 5.1.1 - avoiding groove, 5.1.2 - limiting sliding groove, 5.2 - sliding block, 5.3 - ball bearing, 6 - clamping assembly, 6.1 - fixed plate, 6.2 - adjusting bolt, 6.3 - pressing block, 10 - bending machine. DETAILED DESCRIPTION

[0022] It should be understood that the specific embodiments described herein are merely exemplary and not intended to limit the present application.

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0024] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application; the terms "mounting", "connecting" and "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements inside. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0025] In addition, the technical solutions among the various embodiments can be combined with each other, but it must be based on the fact that a person skilled in the art can realize it, and when the combination of technical solutions appears contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist and is not within the protection scope required by the utility model.

[0026] Embodiment one

[0027] The embodiment provides a universal bending die convenient to adjust, as shown in the accompanying drawings, which comprises a lower die block 2 and a plurality of upper die blocks 1, wherein the upper die blocks 1 are usually provided with a plurality of blocks, which are selected according to the bending length of a workpiece; the lower die block 2 is in a strip shape, and the cross section thereof is in a square shape, and at least one bending groove 2.0 is arranged on each of the four surfaces of the lower die block 2, which is used for adapting to different bending angles. Figure 1

[0028] In order to solve the problem that the existing lower die block needs to be turned over by manual cooperation with a lifting device, which is time-consuming and laborious and has a safety risk, the embodiment is designed with a lower die seat 3 and a jacking assembly 4, as shown in the accompanying drawings. Figure 1 to the accompanying drawings, Figure 3 As shown in the accompanying drawings, the two ends of the lower die seat 3 are fixed to a bending machine 10 through clamping assemblies 6 (comprising a fixed plate 6.1, an adjusting bolt 6.2 which is threadedly connected with the fixed plate, and a pressing block 6.3 which is rotationally connected with the adjusting bolt), and the upper surface of the lower die seat 3 is provided with a containing groove for placing the lower die block 2; the two ends of the lower die block 2 are provided with rotating shafts 2.1, and two jacking assemblies 4 are fixed to the two ends of the bending machine 10, and the ejection end of the jacking assembly 4 is rotationally connected with the rotating shaft 2.1, which is used for jacking up the lower die block 2 when the lower die block 2 is adjusted.

[0029] Preferably, the containing groove of the embodiment comprises a U-shaped groove 3.1 and a limiting groove 3.2 arranged at the bottom of the U-shaped groove, the U-shaped groove 3.1 and the limiting groove 3.2 are in communication, the width of the limiting groove 3.2 matches the width of the lower die block 2, and the width of the U-shaped groove 3.1 is not less than the rotation diameter of the lower die block 2 with the center thereof as an axis.

[0030] Through the above design, the lower die block can be prevented from moving in the width direction after being placed in the limiting groove of the containing groove, that is, the lower die block can be effectively limited; when the lower die block needs to be adjusted, the lower die block is only needed to be taken out of the limiting groove by the jacking assembly, at this time, the lower die block can rotate by 360 degrees in the U-shaped groove, the bending groove of the corresponding surface is selected according to the bending process, the lower die block is kept horizontal, the jacking assembly is controlled to be lowered, and the lower die block is caused to fall back into the limiting groove, so that the lower die block can be quickly adjusted, the adjustment is time-saving and labor-saving, a lifting device is not needed, and there is no safety hazard.

[0031] ​Preferably, the lifting assembly 4 in this embodiment includes a lifting cylinder 4.1, a movable sleeve 4.2, and a connecting rod 4.3. The movable sleeve 4.2 is rotatably mounted on the shaft head of the rotating shaft 2.1. One end of the connecting rod 4.3 is fixedly connected to the movable sleeve 4.2, and the other end is connected to the push rod of the lifting cylinder 4.1 through a sleeve 4.4. The sleeve 4.1 is threadedly connected to the connecting rod 4.3. In this embodiment, the lifting cylinder is preferably a single-acting cylinder, which is fixedly mounted on the bending machine.

[0032] Example 2

[0033] Based on Embodiment 1, this embodiment further includes an axial limiting component 5, as shown in the attached figure. Figure 1 To be continued Figure 3 As shown, the two axial limiting components 5 are located at both ends of the lower mold base 3 to prevent the lower module 2 from moving left or right. Specifically, the axial limiting component 5 includes a positioning sealing plate 5.1 located at the end of the lower mold base 3, and the positioning sealing plate 5.1 is provided with a clearance groove 5.1.1 for avoiding the passage of the rotating shaft 2.1. In this embodiment, the positioning sealing plate is used to limit the two ends of the lower module.

[0034] Example 3

[0035] Based on Embodiment 2, this embodiment further designs the axial limiting component, as shown in the attached figure. Figure 1 To be continued Figure 3 As shown, the axial limiting assembly 5 further includes a slider 5.2 and a ball bearing 5.3. The clearance groove 5.1.1 is also provided with a limiting groove 5.1.2. The slider 5.2 is movably disposed within the limiting groove 5.1.2. The outer ring of the ball bearing 5.3 is interference-fitted into the slider 5.2, and its inner ring is interference-fitted into the rotating shaft 2.1. This embodiment utilizes the limiting groove and slider to axially limit the lower mold base, resulting in a better limiting effect.

[0036] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made using the content of this utility model specification, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A universal bending die that is easy to adjust, comprising a lower module and multiple upper modules; wherein, The lower module has a square cross-section, and each of its four surfaces is provided with at least one bending groove; its characteristic is that it further includes a lower mold base and a lifting assembly, wherein: The upper surface of the lower mold base is provided with a receiving groove for placing the lower module. The receiving groove includes a U-shaped groove and a limiting groove at the bottom of the U-shaped groove. The width of the limiting groove matches the width of the lower module. The width of the U-shaped groove is not less than the rotation diameter of the lower module with its center as the axis. The lower module has rotating shafts at both ends, and two lifting components are fixed to both ends of the bending machine. The lifting end of the lifting component is rotatably connected to the rotating shaft, which is used to lift the lower module when adjusting it.

2. The easily adjustable universal bending die according to claim 1, characterized in that: It also includes axial limiting components, two of which are located at both ends of the lower mold base to prevent the lower module from moving left or right.

3. The easily adjustable universal bending die according to claim 2, characterized in that: The axial limiting component includes a positioning sealing plate located at the end of the lower mold base, and the positioning sealing plate is provided with a clearance groove for avoiding the passage of the rotating shaft.

4. The easily adjustable universal bending die according to claim 3, characterized in that: The axial limiting assembly also includes a slider and a ball bearing. The clearance groove is also provided with a limiting groove. The slider is movably disposed in the limiting groove. The outer ring of the ball bearing is interference-fitted into the slider, and its inner ring is interference-fitted with the rotating shaft.

5. The easily adjustable universal bending die according to claim 1, characterized in that: The lifting assembly includes a lifting cylinder, a movable sleeve, and a connecting rod. The movable sleeve is rotatably mounted on the shaft head of the rotating shaft. One end of the connecting rod is fixedly connected to the movable sleeve, and the other end is connected to the top rod of the lifting cylinder through a sleeve. The sleeve is threadedly connected to the connecting rod.

6. The easily adjustable universal bending die according to claim 5, characterized in that: The lifting cylinder is a single-acting cylinder, which is fixedly installed on the bending machine.

7. The easily adjustable universal bending die according to claim 1, characterized in that: The two ends of the lower die base are fixed to the bending machine by clamping components.

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