Precise trimming die for thin forgings

Abstract

The utility model relates to the technical field of die trimming, and provides a thin forge piece precise trimming die which is characterized in that a first stamping assembly is arranged in the middle of the top face of a base, supporting rods are fixedly connected to the four corners of the top face of the base, a top plate is jointly and fixedly connected to the top ends of the supporting rods, and a mounting plate is clamped in the middle of the top plate; through the arrangement of a first stamping assembly and a second stamping assembly, a stamping top seat moves a second sliding rod and part of parts downwards, when a limiting block is attached to the surface of a fixing block, the parts are fixed and limited, the stamping top seat is secondarily extended to fix the parts, and a third air cylinder starts to be matched with the stamping top seat to extend or contract; when the third air cylinder is in a contraction state, the second edge cutting cylinder is driven to make contact with the first edge cutting cylinder below the second edge cutting cylinder, in the cutting process, the part, needing to be reserved, of the part is fixed and protected, edge cutting of the edge part is completed on the basis, and horizontal errors caused by shaking are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of die trimming, in particular to a thin forging precision trimming die. BACKGROUND

[0002] Traditional die cutting refers to a cutting process of post-processing of printed matter, and the die cutting process can make printed matter or other paper products according to the designed pattern to be cut into a die cutting plate, so that the shape of the printed matter is no longer limited to straight edges and right angles. The traditional die cutting production uses a die cutting knife to combine a die cutting plate according to the design requirements of the pattern, and under the action of pressure, the printed matter or other plate-shaped blanks are cut into the required shape or cutting mark forming process. The indentation process is to use a line pressing knife or a line pressing die to press a line mark on the plate by pressure, or to use a line rolling wheel to roll a line mark on the plate, so that the plate can be bent and formed according to the predetermined position. The die cutting and indentation process is usually to combine the die cutting knife and the line pressing knife in the same template, and to carry out die cutting and indentation processing on the die cutting machine at the same time, which is called die pressing for short.

[0003] After searching, the existing patent (publication number: CN 212264282 U) discloses a thin forging precision trimming die, although the thin forging precision trimming die, the bottom of the upper die is provided with a plurality of guide columns on both sides, the bottom of the upper die is provided with a connecting block on the inner side of the guide column, the bottom of the connecting block is provided with a mounting groove, the inside of the mounting groove is provided with a pressing assembly, and the two sides of the mounting groove are provided with trimming cutters; the top of the lower die is provided with a guide sleeve matched with the guide column on both sides, the top of the lower die is provided with a T-shaped cavity, the inside of the T-shaped cavity is provided with a T-shaped positioning block, the top of the T-shaped positioning block is provided with a die cavity, the inner bottom of the die cavity is provided with an adjusting assembly, and the top of the adjusting assembly is provided with a thin forging. Advantage: the thin forging can be pressed and fixed before the trimming cutter contacts the thin forging, which effectively prevents the thin forging from being raised away from the cutting point, thereby effectively reducing the trimming error and improving the use reliability.

[0004] But in the above scheme, there are still some deficiencies, because the two springs at the bottom end of the T-shaped positioning block will have a certain degree of reduction in elastic recovery performance after being extruded by the top end for a long time, which will cause the T-shaped positioning block to be inclined, thereby changing the flat surface of the pressing plate of the top end to be contacted first into an inclined surface, thereby affecting the trimming effect.

[0005] Therefore, the utility model provides a thin forging precision trimming die. UTILITY MODEL CONTENTS

[0006] The utility model provides a kind of thin forging precision edge cutting die, solve the problem of related technology in two springs in the bottom end of T type positioning block, after being extruded by top end for a long time, due to the decrease of recovery elastic property, cause T type positioning block to appear inclined state, to change the placement of pressing plate of top end and contact first from plane, become inclined plane contact, thereby impression to the edge cutting effect problem.

[0007] The technical scheme of the utility model is as follows: a kind of thin forging precision edge cutting die, comprising: base, the middle part of the top surface of the base is provided with first stamping assembly, the four corners of the top surface of the base are all fixedly connected with support stem, the top end of multiple support stems is jointly consolidated with top plate, the middle part of the top plate is clamped with mounting plate, the bottom end of the mounting plate is provided with second stamping assembly, and second stamping assembly is located directly above first stamping assembly.

[0008] Preferably, the first stamping assembly includes a stamping bottom plate, and a cavity is formed in the interior of the stamping bottom plate, a first movable slot is formed in the side surface of the stamping bottom plate, and a first edge cutting cylinder is slidably connected to the upper end of the surface of the stamping bottom plate.

[0009] Preferably, the bottom end of the first edge cutting cylinder is fixedly connected with a first sliding rod, the first sliding rod penetrates through the first movable slot and is arranged inside the cavity of the stamping bottom plate.

[0010] Preferably, the middle part of the top surface of the base is fixedly connected with a first air cylinder, the output end of the first air cylinder is connected with the first sliding rod, and the first air cylinder mainly adjusts the horizontal position of the first edge cutting cylinder.

[0011] Preferably, the top end of the stamping bottom plate is fixedly connected with a fixing block, and an equal gap is left between the side surface of the fixing block and the first edge cutting cylinder.

[0012] Preferably, the second stamping assembly includes a stamping top base, and a cavity is formed in the middle part of the stamping top base, the middle part of the bottom surface of the top plate is fixedly connected with a second air cylinder, and the second air cylinder is arranged in the cavity of the stamping top base.

[0013] Preferably, the output end of the second air cylinder is fixedly connected with a second sliding rod, the bottom surface of the second sliding rod is fixedly connected with a third air cylinder, and the second sliding rod is fixed on the output end of the second air cylinder and the third air cylinder.

[0014] Preferably, the bottom end of the third air cylinder is fixedly connected with a limiting block, second sliding grooves are formed in the four opposite side surfaces of the limiting block, a second edge cutting cylinder is slidably connected to the surface of the limiting block, the top end of the inner side wall of the second edge cutting cylinder is connected with the second sliding rod, the second sliding grooves are clamped below the stamping top base, and the limiting block has the same maximum diameter as the stamping bottom plate.

[0015] The utility model discloses a working principle and beneficial effect are:

[0016] In the utility model, through the setting of the first stamping assembly and the second stamping assembly, after personnel place the part needing to be trimmed between the fixed block and the first trimming cylinder and set up equidistance gap, the stamping top base moves the second sliding rod and part downward, when the limiting block is attached to the surface of the fixed block, the part is fixed and limited, the stamping top base second extension fixes the part, the third cylinder starts to cooperate with the stamping top base and extends or contracts, when the third cylinder is in the state of contraction, drives the second trimming cylinder to contact the first trimming cylinder below, and the excess edge part between the two is cut off in the moving process of the second trimming cylinder and the first trimming cylinder, in the cutting process, the part needs to be fixed and protected, and on this basis, the trimming of the edge part is completed, and the horizontal error caused by shaking is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0017] The utility model will be further explained in detail in connection with the drawings and specific embodiment.

[0018] Fig. 1 A thin forge piece precision trimming die structure schematic diagram is provided for the utility model;

[0019] Fig. 2 A thin forge piece precision trimming die plane structure schematic diagram is provided for the utility model;

[0020] Fig. 3 The first stamping assembly and the second stamping assembly perspective structure schematic diagram are provided for the utility model;

[0021] Fig. 4 The first stamping assembly and the second stamping assembly three-dimensional appearance structure schematic diagram are provided for the utility model.

[0022] In the drawing: 1, base;2, first stamping assembly;201, stamping bottom plate;202, first movable slot;203, first trimming cylinder;204, first sliding rod;205, first cylinder;206, fixed block;3, support dry;4, top plate;5, mounting plate;6, second stamping assembly;601, stamping top base;602, second cylinder;603, second sliding rod;604, third cylinder;605, limiting block;606, second sliding slot;607, second trimming cylinder. SPECIFIC EMBODIMENT

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

[0024] The embodiment of the present application discloses a thin forging precision edge cutting die, please refer to Figs. 1 to 4 , comprising: a base 1, through the setting of the base 1, when in use, the first stamping assembly 2 and the support stick 3 on the top surface can be installed, the middle part of the top surface of the base 1 is provided with the first stamping assembly 2, through the setting of the first stamping assembly 2, when in use, the edge of the part can be cut by cooperating with the second stamping assembly 6, the four corners of the top surface of the base 1 are all fixedly connected with the support stick 3, through the setting of the support stick 3, when in use, the top plate 4 at the top end can be supported, the top ends of the plurality of support sticks 3 are jointly fixed with the top plate 4, through the setting of the top plate 4, when in use, the installation plate 5 can be clamped and installed in the middle part, the middle part of the top plate 4 is clamped with the installation plate 5, through the setting of the installation plate 5, when in use, the second stamping assembly 6 can be installed on the bottom surface, the bottom end of the installation plate 5 is provided with the second stamping assembly 6, and the second stamping assembly 6 is located directly above the first stamping assembly 2.

[0025] The first stamping assembly 2 comprises a stamping bottom plate 201, through the setting of the stamping bottom plate 201, when in use, the cavity can be set inside, and the cavity is set inside the stamping bottom plate 201, the side surface of the stamping bottom plate 201 is provided with a first movable slot 202, through the setting of the first movable slot 202, when in use, the first sliding rod 204 can slide inside conveniently, so as to control the first edge cutting cylinder 203 to move up and down, the upper end of the surface of the stamping bottom plate 201 is slidably connected with the first edge cutting cylinder 203, through the setting of the first edge cutting cylinder 203, when in use, the edge of the part can be cut by cooperating with the second edge cutting cylinder 607.

[0026] The bottom end of the first edge cutting cylinder 203 is fixedly connected with the first sliding rod 204, through the setting of the first sliding rod 204, when in use, the first edge cutting cylinder 203 can be moved by the extension and contraction of the first cylinder 205, the first sliding rod 204 penetrates through the first movable slot 202 and is arranged inside the cavity of the stamping bottom plate 201.

[0027] The middle of the top surface of the base 1 is fixedly connected with a first air cylinder 205. Through the arrangement of the first air cylinder 205, the first cutting cylinder 203 can be controlled to move up and down in use. The output end of the first air cylinder 205 is connected with a first sliding rod 204. The first air cylinder 205 mainly adjusts the horizontal position of the first cutting cylinder 203.

[0028] The top end of the stamping bottom plate 201 is fixedly connected with a fixed block 206. Through the arrangement of the fixed block 206, a gap is formed between the first cutting cylinder 203 and the fixed block 206 in use, so as to facilitate the fixation of the parts. An equal gap is left between the side surface of the fixed block 206 and the first cutting cylinder 203.

[0029] The second stamping assembly 6 comprises a stamping top seat 601. Through the arrangement of the stamping top seat 601, a cavity is formed in the stamping top seat 601 in use. The middle of the stamping top seat 601 is provided with a cavity. The middle of the bottom surface of the top plate 4 is fixedly connected with a second air cylinder 602. Through the arrangement of the second air cylinder 602, the second air cylinder 602 can drive the limiting block 605 to abut against the top surface of the fixed block 206 in use. The second air cylinder 602 is arranged in the cavity of the stamping top seat 601.

[0030] The output end of the second air cylinder 602 is fixedly connected with a second sliding rod 603. Through the arrangement of the second sliding rod 603, the second sliding rod 603 can slide in the second sliding groove 606 in use, so as to drive the second cutting cylinder 607 to move the first cutting cylinder 203 below, complete the cutting of the parts placed outside the fixed block 206, and achieve the effect of cutting the parts. The bottom surface of the second sliding rod 603 is fixedly connected with a third air cylinder 604. Through the arrangement of the third air cylinder 604, when the stamping top seat 601 contacts the limiting block 605 on the top surface of the fixed block 206, the third air cylinder 604 and the stamping top seat 601 are secondarily stretched and contracted to move the second cutting cylinder 607. The second sliding rod 603 is fixed on the output ends of the second air cylinder 602 and the third air cylinder 604.

[0031] The bottom end of the third air cylinder 604 is fixedly connected with a limiting block 605. Through the arrangement of the limiting block 605, the limiting block 605 can abut against the top surface of the fixed block 206 in use. The four opposite side surfaces of the limiting block 605 are provided with second sliding grooves 606. Through the arrangement of the second sliding grooves 606, the second sliding rod 603 can slide in the second sliding grooves 606 in use. The surface of the limiting block 605 is slidingly connected with a second cutting cylinder 607. Through the arrangement of the second cutting cylinder 607, the second cutting cylinder 607 can extrude the first cutting cylinder 203 below during the movement. The top end of the inner side wall of the second cutting cylinder 607 is connected with the second sliding rod 603. The second sliding groove 606 is connected below the stamping top seat 601. The limiting block 605 has the same maximum diameter as the stamping bottom plate 201.

[0032] Working principle and use flow: personnel will need to trim parts set in the fixed block 206 and first trimming cylinder 203 between the equal interval gap, stamping top seat 601 will second sliding rod 603 and part of the parts to move down, when the limiting block 605 is attached to the surface of the fixed block 206, the parts are fixed, stamping top seat 601 second extension will be fixed parts, third cylinder 604 begins to cooperate with stamping top seat 601 to extend or shrink, when the third cylinder 604 is in the shrinkage state, drive the second trimming cylinder 607 to contact the first trimming cylinder 203 below, the excess edge part of the parts between the two will be cut off in the process of moving the second trimming cylinder 607 and the first trimming cylinder 203.

[0033] The above is only a preferred embodiment of the present application, and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A precision edge cutting die for thin forgings, comprising: The base (1) is characterized in that the middle of the top surface of the base (1) is provided with a first punching assembly (2), the four corners of the top surface of the base (1) are fixedly connected with support stems (3), the top ends of a plurality of support stems (3) are jointly fixed with a top plate (4), the middle of the top plate (4) is clamped with a mounting plate (5), the bottom end of the mounting plate (5) is provided with a second punching assembly (6), and the second punching assembly (6) is located directly above the first punching assembly (2).

2. The precision trimming die for thin forgings according to claim 1, wherein The first punching assembly (2) comprises a punching bottom plate (201), and a cavity is formed in the inside of the punching bottom plate (201), a first movable groove (202) is formed in the side surface of the punching bottom plate (201), and a first trimming cylinder (203) is slidably connected to the upper end of the surface of the punching bottom plate (201).

3. The precision trimming die for thin forgings according to claim 2, wherein The bottom end of the first trimming cylinder (203) is fixedly connected with a first sliding rod (204), the first sliding rod (204) penetrates through the first movable groove (202) and is arranged in the cavity of the punching bottom plate (201).

4. The precision trimming die for thin forgings according to claim 2, wherein The middle of the top surface of the base (1) is fixedly connected with a first cylinder (205), the output end of the first cylinder (205) is connected with the first sliding rod (204), and the first cylinder (205) mainly adjusts the horizontal position of the first trimming cylinder (203).

5. The precision trimming die for thin forgings according to claim 2, wherein The top end of the punching bottom plate (201) is fixedly connected with a fixed block (206), and an equal-distance gap is left between the side surface of the fixed block (206) and the first trimming cylinder (203).

6. The precision trimming die for thin forgings according to claim 1, wherein The second punching assembly (6) comprises a punching top base (601), and a cavity is formed in the middle of the punching top base (601), the middle of the bottom surface of the top plate (4) is fixedly connected with a second cylinder (602), and the second cylinder (602) is arranged in the cavity of the punching top base (601).

7. The precision blanking die for thin forgings according to claim 6, wherein The output end of the second cylinder (602) is fixedly connected with a second sliding rod (603), the bottom surface of the second sliding rod (603) is fixedly connected with a third cylinder (604), and the second sliding rod (603) is fixed on the output ends of the second cylinder (602) and the third cylinder (604).

8. The precision blanking die for thin forgings according to claim 7, wherein The bottom end of the third cylinder (604) is fixedly connected with a limiting block (605), second sliding grooves (606) are formed in the four opposite side surfaces of the limiting block (605), a second trimming cylinder (607) is slidably connected to the surface of the limiting block (605), the top end of the inner side wall of the second trimming cylinder (607) is connected with the second sliding rod (603), the second sliding grooves (606) are clamped below the punching top base (601), and the limiting block (605) has the same maximum diameter as the punching bottom plate (201).

Images