Stamping die with high safety performance

Abstract

The utility model discloses a stamping die with high safety performance, which is provided with a workpiece placing area and a plurality of stamping positions, and comprises an upper die, a lower die, a lower die and a lower die, a plurality of punching heads are mounted on the upper die and correspond to the punching positions one by one; the upper die is provided with an upper avoiding groove, the lower die is provided with a lower avoiding groove, the upper avoiding groove corresponds to the lower avoiding groove, the upper avoiding groove and the lower avoiding groove both communicate with the workpiece containing area, and openings of the upper avoiding groove and the lower avoiding groove both face the front of the stamping die; the lower die is provided with a plurality of stamping holes, and the stamping holes correspond to the stamping heads. Through the arrangement of the upper avoiding groove and the lower avoiding groove, after a worker puts down a workpiece, fingers are placed in the upper avoiding groove or the lower avoiding groove, the situation that the hands of the worker are not away from the workpiece in time in the process that the punch press drives the upper die to press downwards, and consequently crushing is caused can be avoided, and therefore the personal safety of the worker can be effectively guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of moulds, in particular to a stamping mould with high safety performance. Background Art

[0002] Stamping moulds are generally used for pressing grooves and punching holes in workpieces. At present, many enterprises still use simple manual operation methods when processing and producing by stamping, that is, directly loading and unloading parts in the mould cavity by hand.

[0003] Stamping equipment has a great impact on work safety. For example, defects in the punching press itself, lack of safety protection devices, insufficient sensitivity and reliability of the clutch and brake, out-of-control electrical control structure resulting in continuous stamping, and defects in accessory tools are all important reasons for accidents, which may lead to accidents such as workers' hands being crushed.

[0004] Existing stamping moulds generally do not have a structure to prevent hands from being pressed, and the safety of stamping moulds needs to be strengthened. Summary of the Utility Model

[0005] The technical problem to be solved by the utility model is: to provide a stamping mould with high safety performance to solve one or more technical problems existing in the prior art, and at least provide a beneficial choice or create conditions.

[0006] The solution of the utility model to solve its technical problem is:

[0007] A stamping mould with high safety performance is provided with a workpiece placement area and several stamping positions. The stamping mould includes:

[0008] An upper mould, which is provided with an upper avoidance groove; several stamping heads are installed on the upper mould, and the stamping heads correspond to the stamping positions one by one;

[0009] A lower mould, which is provided with a lower avoidance groove. The upper avoidance groove and the lower avoidance groove are arranged corresponding to each other. Both the upper avoidance groove and the lower avoidance groove are communicated with the workpiece placement area, and the openings of the upper avoidance groove and the lower avoidance groove both face the front of the stamping mould; several stamping holes are provided on the lower mould, and the stamping holes correspond to the stamping heads.

[0010] Through the above technical solution, the normal factory production process is that the worker holds the workpiece and moves it to the workpiece placement area. After the workpiece is moved to the workpiece placement area and placed down, the hand is moved away from the workpiece. Subsequently, by stepping on the foot pedal or pressing a button, etc., the punching press starts to work and drives the upper mould to press down. During the factory production process, some workers, in order to pursue efficiency, quickly step on the foot pedal of the punching press before their hands are away from the workpiece, causing the punching press to drive the upper mould to press down, which may result in the workers' fingers being crushed.

[0011] By setting the upper avoidance groove and the lower avoidance groove, after the worker places the workpiece, the finger is placed in the upper avoidance groove or the lower avoidance groove, which can prevent the worker's hand from being crushed due to failure to move away from the workpiece in time during the process of the punch driving the upper die to press down, thus effectively protecting the personal safety of the worker.

[0012] As a further improvement of the above technical solution, a plurality of positioning columns are protrudingly arranged on the lower die, the plurality of positioning columns are arranged along the circumference of the workpiece placement area, the upper die is provided with a plurality of positioning avoidance grooves, and the positioning avoidance grooves correspond to the positioning columns one by one.

[0013] As a further improvement of the above technical solution, both the upper avoidance groove and the lower avoidance groove are trapezoidal groove structures.

[0014] As a further improvement of the above technical solution, the lower die includes a main template and several inserts, the inserts are inserted and installed on the main template, the inserts are arranged corresponding to the stamping positions one by one, and the stamping holes are arranged on the inserts.

[0015] Through the above technical solution, by setting the insert and the lower die in a detachable connection form, during the long-term use of the stamping die, the stamping holes will be worn, resulting in a reduction in stamping quality. When the wear is severe, the stamping die can continue to work normally by directly replacing the insert, thus realizing the continuous operation of the stamping die and ensuring the product quality. By replacing the insert, the need to reprocess the entire lower die can be avoided, the cost of die maintenance and repair can be reduced, which is beneficial to the development of the factory.

[0016] As a further improvement of the above technical solution, the insert protrudes from the main template.

[0017] Through the above technical solution, when placing the workpiece, the insert can be inserted into the C-shaped groove of the workpiece, thereby playing a role in limiting and positioning the workpiece.

[0018] As a further improvement of the above technical solution, the upper die and / or the lower die is installed with anti-collision blocks, and the anti-collision blocks are elastic members.

[0019] As a further improvement of the above technical solution, a guiding component is arranged between the upper die and the lower die, the guiding component includes a guiding column and a guiding sleeve, the guiding column and the guiding sleeve are respectively installed on the upper die and the lower die, and the guiding column is slidably connected with the guiding sleeve.

[0020] As a further improvement of the above technical solution, a plurality of fixing nails are threadedly connected to the upper die, the fixing nails correspond to the punching heads one by one, the punching heads are detachably connected to the upper die, and the tail ends of the fixing nails are tightly abutted against the outer circumference of the punching heads.

[0021] As a further improvement of the above technical solution, two limit posts are installed on the upper die. The two limit posts are arranged front and back on both sides of the workpiece placement area. The limit posts are arranged at one end of the workpiece placement area away from the lower avoidance groove. The lower die is provided with two limit slots, and the limit slots correspond to the limit posts one by one.

[0022] As a further improvement of the above technical solution, a chamfer is provided at the lower end of the limit post, and the chamfer faces the workpiece placement area.

[0023] The beneficial effect of the present utility model is that it can effectively ensure the personal safety of the staff.

[0024] The present utility model is used in the technical field of molds. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly describe the drawings required for the description of the embodiments. Obviously, the described drawings are only a part of the embodiments of the present utility model, rather than all the embodiments. Those skilled in the art can also obtain other design solutions and drawings based on these drawings without creative efforts.

[0026] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present utility model;

[0027] Figure 2 It is a schematic diagram of the overall structure of the upper die of an embodiment of the present utility model.

[0028] In the figure, 100, upper die; 110, stamping head; 120, fixing nail; 130, positioning avoidance groove; 140, limit post; 150, upper avoidance groove; 200, lower die; 201, main template; 202, insert block; 210, lower avoidance groove; 220, stamping hole; 230, positioning post; 240, anti-collision block; 250, limit slot; 310, guide sleeve; 320, guide post. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0029] The concept, specific structure and technical effects of the present utility model will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings, so as to fully understand the purpose, features and effects of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all embodiments. Based on the embodiments of the present utility model, other embodiments obtained by those skilled in the art without creative efforts shall fall within the scope of protection of the present utility model. In addition, all the connection / linkage relationships mentioned in the text do not simply refer to the direct connection of components, but refer to the more optimal connection structure that can be formed by adding or reducing connection accessories according to specific implementation situations. Each technical feature in the present invention can be combined interactively on the premise of not conflicting with each other.

[0030] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as up, down, front, back, left, right, etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0031] In the description of the present utility model, the meaning of "several" is one or more, the meaning of "multiple" is two or more, and understandings such as "greater than", "less than", "exceeding", etc. do not include the present number, and understandings such as "above", "below", "within", etc. include the present number. If there is a description of "first" and "second", it is only for the purpose of distinguishing technical features and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or implicitly indicating the sequence relationship of the indicated technical features.

[0032] Refer to Figure 1 and Figure 2 , a stamping die with high safety performance. This stamping die is used for processing the common C-shaped profiles of door and window hardware fittings. In other embodiments, the structure of this stamping die can also be appropriately modified so that this stamping die can be adapted to other different profiles.

[0033] This stamping die is provided with a plurality of stamping positions and a workpiece placement area. The stamping positions are specifically set according to the positions where the workpiece needs to be stamped, and those skilled in the art can adjust the stamping positions according to the actual situation.

[0034] This stamping die includes an upper die 100 and a lower die 200. After this stamping die is installed on the punching press, the upper die 100 is arranged above the lower die 200. It can be understood that the upper die 100 and the lower die 200 here are structures including components such as a die base and a template.

[0035] Specifically, the upper mold 100 is provided with an upper avoidance groove 150. Specifically, in the present embodiment, the upper avoidance groove 150 is provided as a trapezoidal groove structure, the wider end of the upper avoidance groove 150 is provided as an opening, and the opening of the upper avoidance groove 150 is provided forward (i.e., the wider end of the upper avoidance groove 150 is provided forward, and the forward here refers to the direction toward the staff). Specifically, in the present embodiment, the upper avoidance groove 150 is connected to one end of the workpiece placement area.

[0036] In other embodiments, the upper avoidance groove 150 can also be set to be connected to the middle of the workpiece placement area. Technical personnel in this field can select the setting position of the upper avoidance groove 150 according to the actual stamping position. It is necessary to avoid the upper avoidance groove 150 from overlapping with the stamping position, and a certain distance should be left between the upper avoidance groove 150 and the stamping position.

[0037] The upper die 100 is equipped with multiple punching heads 110, and the multiple punching heads 110 are correspondingly arranged at multiple punching positions. The punching head 110 can be set as a punching head 110 for punching round holes or waist-shaped holes, and can also be set as a punching head 110 for pressing out depressions. Technical personnel in this field can select the specific structure of the punching head 110 and the arrangement position of each punching head 110 according to the actual needs of the product.

[0038] Specifically, the upper die 100 is connected with a fixing pin 120, which is threadedly connected to the upper die 100, and the number of the fixing pins 120 is set to be multiple, and the multiple fixing pins 120 are set in a one-to-one correspondence with the multiple punching heads 110. The upper end of the punching head 110 is inserted into the upper die 100, and the tail of the fixing pin 120 is tightly pressed against the outer peripheral surface of the upper end of the punching head 110, thereby realizing the detachable fixation of the punching head 110 and the upper die 100.

[0039] The upper die 100 is provided with a plurality of positioning and avoiding grooves 130 , and the plurality of positioning and avoiding grooves 130 are arranged along the right edge and the rear edge of the workpiece placement area.

[0040] Specifically, in this embodiment, the upper mold 100 is fixedly installed with a limiting column 140, the number of the limiting columns 140 is set to two, the two limiting columns 140 are arranged along the front and rear directions, and the two limiting columns 140 are respectively arranged on the front and rear sides of the workpiece placement area. Specifically, the limiting column 140 is arranged at one end of the workpiece placement area away from the lower avoidance groove 210.

[0041] Specifically, in this embodiment, the lower end of the limiting column 140 is provided with a chamfer, and the chamfer faces the workpiece placement area. When the upper die 100 is pressed down, the chamfer of the limiting column 140 will first contact the workpiece, and the chamfer will push the workpiece to move, so that the workpiece is aligned, thereby ensuring the accuracy of the punching position.

[0042] The lower die 200 is provided with a lower relief groove 210. The lower relief groove 210 is arranged below the upper relief groove 150. Specifically, in this embodiment, the shape of the lower relief groove 210 is set as a trapezoidal groove structure. The wider end of the lower relief groove 210 is set as an opening, and the opening of the lower relief groove 210 faces forward (that is, the wider end of the lower relief groove 210 faces forward, and here "forward" refers to the direction towards the staff). The lower relief groove 210 communicates with the workpiece placement area.

[0043] In the normal factory production process, the staff holds the workpiece by hand and moves the workpiece to the workpiece placement area. After the workpiece is moved to the workpiece placement area and placed down, the hand is moved away from the workpiece. Subsequently, by stepping on the foot pedal or pressing the button, etc., the punching press starts to work and drives the upper die 100 to press down. During the factory production process, some staff, in order to pursue efficiency, quickly step on the foot pedal of the punching press before their hands are far away from the workpiece, causing the punching press to drive the upper die 100 to press down, which may result in the staff's fingers being injured.

[0044] By providing the upper relief groove 150 and the lower relief groove 210, after the staff places the workpiece, the fingers are placed in the upper relief groove 150 or the lower relief groove 210, which can avoid the staff's hands not being far away from the workpiece in time during the process of the punching press driving the upper die 100 to press down, thus effectively protecting the personal safety of the staff.

[0045] The lower die 200 is provided with a plurality of punching holes 220. The plurality of punching holes 220 are arranged in one-to-one correspondence with the positions of the plurality of punching heads 110, and the shapes of the plurality of punching holes 220 are arranged in one-to-one correspondence with the shapes of the plurality of punching heads 110. The punching holes 220 corresponding to the punching heads 110 for punching penetrate the lower die 200 so that the punching waste can be arranged from the punching holes 220; while the punching holes 220 corresponding to the punching heads 110 for pressing grooves can be selected to penetrate or not penetrate the lower die 200, and those skilled in the art can select whether the punching holes 220 penetrate the lower die 200 according to actual needs.

[0046] Specifically, in this embodiment, the lower die 200 is provided with positioning posts 230. The number of the positioning posts 230 is set to be a plurality. The plurality of positioning posts 230 are arranged along the right edge and the rear edge of the workpiece placement area. The positioning posts 230 are used to position the workpiece. When the staff places the workpiece, it is necessary to make the periphery of the workpiece abut against the plurality of positioning posts 230 to ensure that the position where the workpiece is placed meets the requirements.

[0047] Specifically, in this embodiment, the lower die 200 includes inserts 202 and a main template 201. The number of inserts 202 is set to be multiple, and the multiple inserts 202 are arranged in one-to-one correspondence with multiple punching positions. The punching holes 220 are formed in the inserts 202, and the inserts 202 are detachably connected to the lower die 200. By setting the inserts 202 and the lower die 200 to be detachably connected, during the long-term use of the stamping die, the punching holes 220 will be worn, resulting in a reduction in stamping quality. When the wear is severe, the stamping die can continue to work normally by directly replacing the inserts 202, thereby realizing the continuous operation of the stamping die and ensuring the quality of the product. By replacing the inserts 202, the need to reprocess the entire lower die 200 can be avoided, the costs of die maintenance and repair can be reduced, which is beneficial to the development of the factory.

[0048] Specifically, in this embodiment, the upper end of the insert 202 protrudes from the main template 201. By protruding the upper end of the insert 202 from the main template 201, when placing the workpiece, the insert 202 can be inserted into the C-shaped groove of the workpiece, thereby playing a role in limiting and positioning the workpiece.

[0049] Specifically, in this embodiment, the lower die 200 is provided with a collision prevention block 240, and the collision prevention block 240 is an elastic member. Since the collision prevention block 240 is a conventional structure in this field, the specific materials commonly used for the collision prevention block 240 will not be elaborated here. Those skilled in the art can select the material, size, etc. of the collision prevention block 240 according to actual needs.

[0050] In other embodiments, the collision prevention block 240 can also be fixedly installed on the upper die 100, or multiple collision prevention blocks 240 can be respectively installed on the upper die 100 and the lower die 200. Those skilled in the art can select the installation position of the collision prevention block 240 according to actual needs.

[0051] The lower die 200 is provided with two limit slots 250, and the two limit slots 250 correspond to the two limit posts 140 one by one. When the upper die 100 presses down, the limit posts 140 enter the limit slots 250.

[0052] Specifically, in this embodiment, a guiding component is arranged between the lower die 200 and the upper die 100. The guiding component includes a guiding sleeve 310 and a guiding post 320. The guiding sleeve 310 and the guiding post 320 are respectively installed on the lower die 200 and the upper die 100. The guiding sleeve 310 is sleeved on the guiding post 320, and the guiding post 320 is slidably connected to the guiding sleeve 310.

[0053] Specifically, in this embodiment, the number of guiding components is set to be four, where two guiding components are set as inner guiding components and the other two guiding components are set as outer guiding components. The two inner guiding components are arranged in the left-right direction, the two outer guiding components are arranged in the left-right direction, and the outer guiding components are arranged behind the inner guiding components.

[0054] The guide sleeve 310 of the inner guiding component is fixedly connected to the lower die 200, and the guide post 320 is fixedly connected to the upper die 100. The guide sleeve 310 of the outer guiding component is fixedly connected to the upper die 100, and the guide post 320 is fixedly connected to the lower die 200.

[0055] The preferred embodiments of the present utility model have been specifically described above, but the present invention is not limited to the embodiments. Those skilled in the art can also make various equivalent variations or substitutions without departing from the spirit of the present utility model, and these equivalent variations or substitutions are all included within the scope defined by the claims of this application.

Claims

1. A stamping die with high safety performance, characterized by: A workpiece placement area and a plurality of stamping positions are provided, and the stamping die comprises: An upper die, wherein the upper die is provided with an upper avoidance groove; the upper die is provided with a plurality of punching heads, and the punching heads correspond to the punching positions one by one; The lower die is provided with a lower avoidance groove, the upper avoidance groove is arranged corresponding to the lower avoidance groove, the upper avoidance groove and the lower avoidance groove are both connected to the workpiece placement area, and the openings of the upper avoidance groove and the lower avoidance groove are both facing the front of the stamping die; the lower die is provided with a plurality of stamping holes, and the stamping holes are arranged corresponding to the stamping head.

2. The stamping die with high safety performance according to claim 1, characterized in that: The lower die is protrudingly provided with a plurality of positioning posts, and the plurality of positioning posts are arranged along the periphery of the workpiece placement area. The upper die is provided with a plurality of positioning avoidance grooves, and the positioning avoidance grooves correspond one to one with the positioning posts.

3. The stamping die with high safety performance according to claim 1, characterized in that: The upper avoidance groove and the lower avoidance groove are both trapezoidal groove structures.

4. The stamping die with high safety performance according to claim 1, characterized in that: The lower mold comprises a main template and a plurality of inserts, wherein the inserts are plugged and installed on the main template, the inserts are arranged in a one-to-one correspondence with the punching positions, and the punching holes are arranged on the inserts.

5. The stamping die with high safety performance according to claim 4, characterized in that: The insert protrudes from the main template.

6. The stamping die with high safety performance according to claim 1, characterized in that: The upper die and / or the lower die are equipped with anti-collision blocks, which are elastic components.

7. The stamping die with high safety performance according to claim 1, characterized in that: A guide assembly is provided between the upper die and the lower die. The guide assembly comprises a guide column and a guide sleeve. The guide column and the guide sleeve are respectively installed on the upper die and the lower die. The guide column is slidably connected to the guide sleeve.

8. The stamping die with high safety performance according to claim 1, characterized in that: The upper die is threadedly connected with a plurality of fixing pins, the fixing pins correspond to the punching heads one by one, the punching heads are detachably connected to the upper die, and the tail ends of the fixing pins are tightly pressed against the outer periphery of the punching heads.

9. The stamping die with high safety performance according to claim 1, characterized in that: The upper die is provided with two limit columns, which are arranged front and back on both sides of the workpiece placement area. The limit columns are arranged at one end of the workpiece placement area away from the lower avoidance groove. The lower die is provided with two limit slots, which correspond one to one with the limit columns.

10. The stamping die with high safety performance according to claim 9, characterized in that: The lower end of the limiting column is provided with a chamfer, and the chamfer faces the workpiece placement area.

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