Locking device of bending cutting die
By using a locking device in the bending equipment, and utilizing the cooperation between the flat tube and the top block, the problem of the mold transition seat being difficult to fix after splicing is solved, thus achieving stable fixing of the mold transition seat and improving bending accuracy and processing stability.
Patent Information
- Application Number
- CN202520395580.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-07
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-03-07
AI Technical Summary
In existing bending equipment, the bending die is an integral structure, which cannot be matched according to the workpiece size, resulting in low bending accuracy and poor quality. In addition, the die transition seat is difficult to fix after splicing.
A locking device is adopted, which uses the cooperation of flat tube and top block. Compressed air drives the top block to abut against the slide groove of the mold transition seat, and the friction force is used to fix it, ensuring that the mold transition seat does not move during the bending process.
It simplifies the fixing operation of the mold transition seat, ensures the stability and accuracy of processing, and reduces manufacturing costs and complexity.
Smart Images

Figure CN223801355U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to bending equipment technical field, especially a kind of locking device of bending tool die. BACKGROUND
[0002] In metal processing industry, bending tool die is important tool for bending processing to metal plate.In existing bending equipment, its bending tool die is integrated structure, and for any bending workpiece, it is bent by bending tool die overall depression.
[0003] The above processing mode cannot match corresponding length bending tool die according to the size of workpiece, and the bending precision of workpiece is not high, and the bending quality is lacking.For this, our company based on the above technical problem, proposes a kind of bending tool die of can be cut, including multiple die transition seats, bending tool die is respectively installed on die transition seat, using the structure design, when using, the required bending tool die can be formed by selecting appropriate number of die transition seats moving splicing according to the size of workpiece.
[0004] And in the technical scheme of our company, there are following technical problems, namely when die transition seat is moved and spliced, how to fix die transition seat to realize the fixation of bending tool die, to ensure that position does not move in subsequent workpiece bending operation.
[0005] Therefore, it needs to be improved. CONTENT OF UTILITY MODEL
[0006] The utility model solves the technical problem in view of the defects in the prior art, and provides a locking device of bending tool die to solve the problems proposed in the background art.
[0007] To solve the above technical problems, the utility model adopts the technical scheme as follows: A locking device of bending die mould, it includes: mounting seat, the lower part of mounting seat is equipped with installation step, cover plate, the cover plate is linearly arranged in the lower part of mounting seat, the cover plate and installation step form first channel, the cover plate is equipped with limit slide strip along one side of first channel, mould transition seat, the lower part of mould transition seat installs bending die mould, the mould transition seat is more than one, the first side of mould transition seat is equipped with first sliding groove, the second side of mould transition seat is equipped with second sliding groove, the mould transition seat is arranged in first channel, and first sliding groove is matched with limit slide strip, backboard, the backboard is arranged in the side of first channel away from cover plate, the side of backboard close to mounting seat is equipped with second channel, the second channel is installed with flat tube that communicates with outside compressed air and top block that is arranged in one side of flat tube, and top block extends to first channel through the hole site that is prearranged on mounting seat, wherein, flat tube is connected with outside compressed air, and the top end of top block is pressed and abuts at the position of second sliding groove under the expansion drive of compressed air pressure, and the mould transition seat is pressed and fixed, and then the bending die mould is fixed.
[0008] Further, the mould transition seat is matched with the limit slide strip through the first sliding groove, so that the mould transition seat is guided to slide along the limit slide strip.
[0009] Further, the number of top blocks is greater than or equal to the number of mould transition seats, and the top blocks are arranged corresponding to the side surfaces of the mould transition seats.
[0010] Further, the cross section of the first sliding groove is V-shaped, the cross section of the limit slide strip is V-shaped, and the limit slide strip is matched with the first sliding groove, so that the mould transition seat is limited.
[0011] Further, the cross section of the second sliding groove is V-shaped, and the tip of the top block is V-shaped, so that the mould transition seat is limited and fixed when the tip of the top block abuts against the second sliding groove.
[0012] Compared with the prior art, the utility model has the beneficial effects that:
[0013] Novel locking mechanism: in the implementation, when the mould transition seat completes the die assembly operation, the flat tube expands under the gas pressure of compressed air, the flat tube drives the top block to move, the top block is pressed and abuts at the second sliding groove position of the mould transition seat, and the mould transition seat is fixed by using the friction force between the top block and the mould transition seat. This locking mode is not only simple to operate, but also can ensure that the position of the mould transition seat does not move during the bending process, and ensures the stability of processing.
[0014] Simple structure: the design structure of the whole locking device is simple and clear, the cooperation of the limiting slide bar and the first sliding groove and the abutment of the top block and the second sliding groove are adopted, the guiding and fixing of the mold transition seat are realized, the realization of the function is ensured, and the manufacturing cost and complexity are reduced. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 is a structural schematic diagram of the utility model.
[0016] Figure 2 is Figure 1 a structural schematic diagram of another view of the utility model.
[0017] Figure 3 is Figure 1 a side structural schematic diagram of the utility model.
[0018] Figure 4 is Figure 3 a sectional structural schematic diagram of the utility model.
[0019] Figure 5 is a structural schematic diagram of the mounting seat.
[0020] Figure 6 is a part structural schematic diagram of the utility model.
[0021] Figure 7 is a part structural schematic diagram of the utility model.
[0022] Reference signs: 1, mounting seat; 2, mounting step; 3, cover plate; 4, first channel; 5, limiting slide bar; 6, mold transition seat; 7, bending cutter die; 8, first sliding groove; 9, second sliding groove; 10, back plate; 11, second channel; 12, flat pipe; 13, top block. DETAILED DESCRIPTION
[0023] The utility model will be further explained in detail in combination with the drawings.
[0024] The embodiments described with reference to the drawings are exemplary and are intended to be illustrative of the present application and are not to be construed as limiting the present application. In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships as shown by the drawings, and are merely used to facilitate the description of the present application and simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be construed as limiting the present application. In addition, the terms "first", "second" are used only for the purpose of description and cannot be construed as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "several", "a plurality of" is two or more, unless otherwise explicitly specified and limited. In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be interpreted broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be 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, or 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. In the present application, unless otherwise explicitly specified and limited, the "upper" or "lower" of the first feature to the second feature can include the first and second features directly contacting, or the first and second features not directly contacting but contacting through another feature between them. Moreover, the "upper", "upper" and "upper" of the first feature to the second feature include the first feature above and obliquely above the second feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The "lower", "lower" and "lower" of the first feature to the second feature include the first feature above and obliquely above the second feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.
[0025] In view of the technical problems described in the background art, such as Figures 1-7As shown, a locking device of a bending die 7 is provided, comprising: a mounting base 1, a lower part of the mounting base 1 being provided with a mounting step 2; a cover plate 3, the cover plate 3 being linearly arranged at the lower part of the mounting base 1, the cover plate 3 and the mounting step 2 forming a first channel 4, the cover plate 3 being provided with a limiting slide strip 5 at one side of the first channel 4; a die transition base 6, a lower part of the die transition base 6 being provided with the bending die 7, the die transition base 6 being more than one, a first side of the die transition base 6 being provided with a first sliding groove 8, a second side of the die transition base 6 being provided with a second sliding groove 9, the die transition base 6 being arranged in the first channel 4, and the first sliding groove 8 cooperating with the limiting slide strip 5; a back plate 10, the back plate 10 being arranged at a side of the first channel 4 away from the cover plate 3, a side of the back plate 10 close to the mounting base 1 being provided with a second channel 11; the second channel 11 being provided with a flat tube 12 in communication with compressed air outside and a top block 13 arranged at one side of the flat tube 12, the top block 13 extending to the first channel 4 through a pre-set hole of the mounting base 1; wherein the flat tube 12 drives a top end of the top block 13 to abut against the second sliding groove 9 under the air supply state, and fixes the die transition base 6.
[0026] In the above technical solution, the mounting base 1 is the basis of the locking device, used for mounting mechanical parts, and the lower part is provided with the mounting step 2. The cover plate 3 can be selected as a whole plate or a plurality of independent plates which are screwed on the mounting step 2 to form the first channel 4 for mounting the die transition base 6.
[0027] The die transition base 6 is used for mounting the bending die 7. Since the bending die 7 adopts the way of splicing, the number of the die transition base 6 can be set according to actual implementation requirements, which is not limited. The die transition base 6 is arranged at the first channel 4, in order to mount the die transition base 6, the limiting slide strip 5 arranged on the cover plate 3 along the moving direction of the die transition base 6 and the first sliding groove 8 arranged on the die transition base 6 are used, the limiting slide strip 5 is arranged in the first sliding groove 8, the first channel 4 is used for limiting the left and right directions of the die transition base 6, and the limiting slide strip 5 cooperates with the first sliding groove 8 to limit the up and down directions.
[0028] In order to position the mold transition seat 6 after moving the knife, the back plate 10 is connected to the mounting seat 1, the second groove 11 is arranged at the position corresponding to the first groove 4, the flat tube 12 is arranged in the second groove 11, the flat tube 12 is used for communicating with the compressed air outside, the top block 13 is arranged on one side of the flat tube 12, and the mounting seat 1 is provided with a plurality of hole positions corresponding to the position of the first groove 4, and the hole positions are used for installing the top block 13. When the mold transition seat 6 is driven to complete the knife, the flat tube 12 communicates with the compressed air outside. When the compressed air is introduced into the flat tube 12, the driving force generated by the expansion of the compressed gas can be used to drive the top block 13 to move towards the second sliding groove 9 of the mold transition seat 6 and abut against the second sliding groove 9, and the mold transition seat 6 is fixed by the friction between the top block 13 and the second sliding groove 9.
[0029] The specific driving process is as follows: after the mold transition seat 6 is spliced and moved to the position, the compressed air is introduced into the flat tube 12. The compressed air in the flat tube 12 expands, drives the top block 13 to move into the first groove 4, and the top end of the top block 13 is pressed and abuts against the position of the second sliding groove 9. The mold transition seat 6 is fixed by the friction between the top block 13 and the second sliding groove 9. At this time, the mold transition seat 6 does not move during the bending process, which ensures the bending precision and stability.
[0030] In the above technical scheme, the flat tube 12 on the back plate 10 cooperates with the top block 13, the top block 13 is abutted against the position of the second sliding groove 9 by the compressed air, and the stable fixation of the mold transition seat 6 is realized. This locking mode is not only simple to operate, but also can ensure that the position of the mold transition seat 6 does not move during the bending process, indirectly fixes the bending knife die, and ensures the stability of the processing; the design structure of the whole locking device is simple and clear, the cooperation of the limiting sliding strip 5 and the first sliding groove 8 and the abutment of the top block 13 and the second sliding groove 9 realize the guidance and fixation of the mold transition seat 6, which not only ensures the realization of the function, but also reduces the manufacturing cost and complexity.
[0031] The mold transition seat 6 is guided and slid along the limiting sliding strip 5 by cooperating the first sliding groove 8 with the limiting sliding strip 5.
[0032] The number of the top blocks 13 is greater than or equal to the number of the mold transition seats 6, and the top blocks 13 are arranged corresponding to the side surfaces of the mold transition seats 6.
[0033] The cross section of the first sliding groove 8 is V-shaped, the cross section of the limiting sliding strip 5 is V-shaped, and the limiting sliding strip 5 cooperates with the first sliding groove 8 to limit the mold transition seat 6. Of course, the cross sections of the first sliding groove 8 and the limiting sliding strip 5 can also be other shapes, such as semicircular, W-shaped, dovetail groove-shaped, etc., which are not limited.
[0034] The second sliding groove 9 is V-shaped in cross section, and the tip of the top block 13 is also V-shaped, so that the tip of the top block 13 abuts against the second sliding groove 9 to limit and fix the mold transition seat 6. Of course, the cross section of the second sliding groove 9 and the tip of the top block 13 can also be other shapes, such as semicircular, dovetail groove, etc., which are not limited.
[0035] The above is not intended to limit the technical scope of the present application in any way, and any modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application still falls within the scope of the technical solution of the present application.
Claims
1. A locking device for a bending die, characterized by The utility model relates to a locking device of bending tool die, which comprises: a mounting seat, the lower part of which is provided with a mounting step; a cover plate, which is linearly arranged at the lower part of the mounting seat, forms a first channel with the mounting step, and is provided with a limiting slide strip along one side of the first channel; a die transition seat, the lower part of which is provided with a bending tool die, the die transition seat is more than one, the first side of the die transition seat is provided with a first sliding groove, the second side of the die transition seat is provided with a second sliding groove, the die transition seat is arranged in the first channel, and the first sliding groove is matched with the limiting slide strip; a back plate, which is arranged on the side of the first channel away from the cover plate, is provided with a second channel on the side close to the mounting seat; a flat tube, which is in communication with compressed air outside, and a top block arranged on one side of the flat tube are arranged in the second channel, and the top block extends to the first channel through the pre-set hole position on the mounting seat; wherein, when the flat tube is connected to the compressed air outside, the flat tube expands under the pressure of the compressed air to drive the top end of the top block to abut on the position of the second sliding groove, so as to press and fix the die transition seat, and then fix the bending tool die.
2. The locking device of the bending tool die according to claim 1, wherein: the die transition seat is matched with the limiting slide strip through the first sliding groove, so that the die transition seat slides along the limiting slide strip in a guided manner.
3. The locking device of the bending tool die according to claim 1, wherein: the number of the top blocks is greater than or equal to the number of the die transition seats, and the top blocks are arranged corresponding to the side surfaces of the die transition seats.
4. The locking device of the bending tool die according to claim 1, wherein: the cross section of the first sliding groove is V-shaped, the cross section of the limiting slide strip is V-shaped, and the limiting slide strip is matched with the first sliding groove in a V-shaped manner, so as to limit the die transition seat.
5. The locking device of the bending tool die according to claim 1, wherein: the cross section of the second sliding groove is V-shaped, the tip of the top block is V-shaped, and the tip of the top block abuts on the second sliding groove in a V-shaped manner, so as to limit and fix the die transition seat.