Precision stamping die with positioning mistake proofing function

Abstract

The utility model discloses a precise stamping die with a positioning mistake-proofing function, which relates to the technical related field of stamping dies and structurally comprises a base, a support rod fixedly connected to the rear end face of the base, a fixing plate fixedly connected to the upper end face of the support rod and an electric push rod fixedly connected to the center of the upper end face of the fixing plate. An air pump is arranged on the inner side of the electric push rod, the clamping plates are intermittently pushed through driving of the transmission disc and resetting of the torsional spring between the short column and the connecting column so that the clamping plates can be rapidly fixed (in contact fixation), meanwhile, the long plate is driven by the connecting belt to move up and down, the inner plate is lifted, and rapid taking can be achieved. And meanwhile, redundant materials can be rapidly collected through the notches, and use is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of stamping dies, in particular to a precision stamping die with positioning and anti-misoperation functions. Background Art

[0002] Stamping is a metal processing method that applies pressure to materials at room temperature using a die installed on a press to cause separation or plastic deformation, thereby obtaining the required parts. There are many types of stamping dies, and stamping dies can be classified according to three aspects: working nature, die structure, and die material. For example, blanking dies, bending dies, drawing dies, forming dies, riveting dies, etc. are classified according to the process nature.

[0003] The prior art with publication number CN220479969U discloses a precision stamping die with positioning and anti-misoperation functions, belonging to the technical field of stamping dies. It includes an installation box and a cover plate. The cover plate is fixedly installed at the upper end of the installation box. A shaft rod is rotatably connected to the center of the bottom side wall of the installation box, and two gears are fixedly installed on the side wall of the shaft rod. Two rack bars are symmetrically meshed and connected to the outer wall of each gear, and the lower ends of the rack bars are slidably connected to the bottom side wall of the installation box. One end of each rack bar is fixedly installed with an installation rod, and the upper end of the installation rod is installed with a clamping plate through a support rod. By placing the lower die base in the middle position at the upper end of the cover plate, and then starting the motor to drive the shaft rod and the two gears to rotate, the two gears drive the four rack bars to move inward simultaneously, and the rack bars drive the installation rods, support rods, and clamping plates to move inward synchronously, quickly clamping and positioning the lower die base, facilitating the quick disassembly and assembly of the lower die base.

[0004] Although the above has certain advantages in terms of quick disassembly and assembly, it still has certain drawbacks.

[0005] 1. When stamping, the formed materials are generally inside the stamping die, and it is not very convenient to take them each time.

[0006] 2. During the production and testing process of the equipment, sometimes a large number of defective products will be produced, and these extra materials cannot be effectively collected. Content of the Utility Model

[0007] Therefore, in order to solve the above deficiencies, the present utility model provides a precision stamping die with positioning and anti-misoperation functions.

[0008] The present utility model is realized as follows. A precision stamping die with positioning and anti-mistake functions is constructed. The device includes a base, a support rod fixedly connected to the rear end face of the base, a fixing plate fixedly connected to the upper end face of the support rod, an electric push rod housing fixedly connected to the center of the upper end face of the fixing plate, and an electric push rod arranged inside the electric push rod housing. A fixing device is fixedly connected to the left side of the upper end face of the base;

[0009] It further includes:

[0010] A stamping plate, the stamping plate is arranged on the lower end face of the fixing plate, and the output end of the electric push rod inside the electric push rod housing is fixedly connected to the upper end face of the stamping plate;

[0011] A limiting plate, the limiting plate is fixedly connected to the right side of the upper end face of the base;

[0012] A discharge port, the discharge port is arranged on the front end face of the base.

[0013] Preferably, the base includes:

[0014] A square groove, the square groove is arranged on the left side of the upper end face of the base;

[0015] An arc-shaped sliding groove, the arc-shaped sliding groove is arranged inside the square groove;

[0016] A notch, the notch is arranged at the center of the upper end face of the base;

[0017] A clamping projection, the clamping projection is fixedly connected to the inside of the notch.

[0018] Preferably, the base further includes:

[0019] A stamping die, the inner side face of the clamping projection inside the notch is fixedly connected to the stamping die;

[0020] An inner plate, the inner plate is rotatably connected to the inside of the stamping die;

[0021] A reserved port, the inner bottom end face of the stamping die is provided with a reserved port;

[0022] A pushing device, the pushing device is fixedly connected to the inside of the base.

[0023] Preferably, the pushing device includes

[0024] A small motor, the small motor is fixedly connected to the left end face inside the base;

[0025] A first connecting short plate, the output end of the small motor is fixedly connected to the first connecting short plate;

[0026] A transmission disc, the front end face of the first connecting short plate is fixedly connected to the transmission disc;

[0027] The second connecting short board, the center of the front end face of the driving disc is fixedly connected with the second connecting short board;

[0028] The pull rod, two pull rods are fixedly connected to the outer side face of the second connecting short board;

[0029] The connecting belt, one end of the connecting belt is drivingly connected to the driving disc;

[0030] The first fixed disc, the other end of the connecting belt away from the driving disc is drivingly connected to the first fixed disc.

[0031] Preferably, the pushing device further includes:

[0032] The outer shell, the inner side of the base is fixedly connected with the outer shell;

[0033] The connecting long rod, the front end face of the first fixed disc is fixedly connected with the connecting long rod, and the connecting long rod passes through the inner side of the outer shell and is rotatably connected with the outer shell;

[0034] The second fixed disc, the end of the connecting long rod away from the first fixed disc is fixedly connected with the second fixed disc;

[0035] The clamping column, the front end face of the second fixed disc is fixedly connected with the clamping column;

[0036] The chute plate, the chute plate is inserted and slidably connected to the clamping column.

[0037] Preferably, the pushing device further includes:

[0038] The long board, the front end face of the chute plate is fixedly connected with the long board;

[0039] The connecting column, the upper end face of the outer shell is fixedly connected with the connecting column;

[0040] The short column, the upper end face of the connecting column is rotatably connected with the short column;

[0041] The inclined groove, the outer side face of the short column is provided with the inclined groove;

[0042] The connecting short column, the center of the upper end face of the inclined groove is fixedly connected with the connecting short column;

[0043] The short board, the upper end face of the connecting short column is fixedly connected with the short board;

[0044] The sliding column, the left side of the upper end face of the short board is fixedly connected with the sliding column.

[0045] Preferably, the fixing device includes:

[0046] The sliding board, the sliding board is slidably connected to the inside of the square groove;

[0047] A straight groove is provided in the middle of the bottom end face of the sliding plate, and the sliding column passes through the arc-shaped chute and inserts into the inner side of the straight groove, and is slidably connected with the arc-shaped chute and the straight groove;

[0048] A push rod, the upper end face of the sliding plate is fixedly connected with a push rod;

[0049] A fixed bent plate, the upper end face of the base is fixedly connected with a fixed bent plate, and the push rod passes through the center of the fixed bent plate and is rotatably connected with the fixed bent plate;

[0050] A bent bracket, the left and right sides of the fixed bent plate are inserted and slidably connected with the bent bracket.

[0051] Preferably, the fixing device further includes:

[0052] A connecting plate, the inner side of the bent bracket is rotatably connected with a connecting plate, and one end of the connecting plate away from the bent bracket is rotatably connected with a push rod;

[0053] A clamping plate, the clamping plate is fixedly connected to the bent bracket;

[0054] A limit block, the right end face of the inner side of the stamping die is fixedly connected with a limit block;

[0055] A tension spring, the upper end face of the long plate is fixedly connected with a tension spring, and one end of the tension spring away from the long plate is rotatably connected with the lower end face of the inner plate.

[0056] The present utility model has the following advantages: The present utility model provides a precision stamping die with positioning and anti-mistake improvement here. Compared with the same type of equipment, the following improvements are made:

[0057] For the precision stamping die with positioning and anti-mistake of the present utility model, by starting the small motor to drive the first connecting short plate to drive the transmission disc to drive the second connecting short plate to drive the pull rod to move. At the same time, the pull rod moves and is embedded in the inclined groove for sliding to drive the short column to rotate, and at the same time drives the connecting short column to drive the short plate to drive the connecting short column to drive the sliding plate to drive the push rod to push the connecting plate to pull the clamping plate, so as to clamp and fix the material. And after the electric push rod drives the stamping plate to move downward inside the electric push rod housing to extrude and shape the material above the stamping die, the convex can also cut off the redundant material outside the stamping die, which falls into the inner side of the notch and slides out from the discharge port to achieve rapid collection. When it is necessary to take out the shaped material, by the rotation of the transmission disc to drive the connecting belt to drive the first fixed disc to drive the connecting long rod to drive the second fixed disc to drive the clamping column to intermittently drive the chute plate to lift, and at the same time squeeze the tension spring to push the inner plate to rotate, and the use can be more convenient. Description of the Drawings

[0058] Figure 1 It is a schematic structural diagram of the present utility model;

[0059] Figure 2 It is a schematic diagram of the structural base of the present utility model;

[0060] Figure 3 It is a partial schematic diagram of the structural base of the present utility model;

[0061] Figure 4 It is a connection schematic diagram of the structural driving device of the present utility model;

[0062] Figure 5 It is a disassembly schematic diagram of the structural driving device of the present utility model;

[0063] Figure 6 It is a schematic diagram of the structural fixing device of the present utility model;

[0064] Figure 7 It is a side schematic diagram of the structural stamping die of the present utility model.

[0065] Among them: base - 1, support rod - 2, electric push rod housing - 3, fixing device - 4, stamping plate - 5, limiting plate - 6, discharge port - 7, square groove - 8, arc chute - 9, notch - 10, clamping protrusion - 11, stamping die - 12, inner plate - 13, reserved port - 14, driving device - 15, small motor - 16, first connecting short board - 17, transmission disc - 18, second connecting short board - 19, pull rod - 20, connecting belt - 21, first fixed disc - 22, housing - 23, connecting long rod - 24, second fixed disc - 25, clamping column - 26, chute plate - 27, long board - 28, connecting column - 29, short column - 30, inclined groove - 31, connecting short column - 32, short board - 33, sliding column - 34, sliding plate - 35, linear groove - 36, push rod - 37, fixed bent plate - 38, bent bracket - 39, connecting plate - 40, clamping plate - 41, limiting block - 42, tension spring - 43. Specific embodiments

[0066] The following combines the attached Figures 1 to 7 Describe the principles and features of the present utility model. The examples cited are only used to explain the present utility model and are not used to limit the scope of the present utility model. In the following paragraphs, the present utility model will be described more specifically by way of example with reference to the accompanying drawings. According to the following description and the claims, the advantages and features of the present utility model will be clearer. It should be noted that the attached drawings are all in a very simplified form and use non - precise scales, only for the purpose of conveniently and clearly assisting in explaining the embodiments of the present utility model.

[0067] It should be noted that when a component is referred to as "fixed to" another component, it can be directly on the other component or there can be an intermediate component. When a component is considered to be "connected" to another component, it can be directly connected to the other component or there may be an intermediate component at the same time. When a component is considered to be "disposed on" another component, it can be directly disposed on the other component or there may be an intermediate component at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0068] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which this utility model belongs. The terms used herein in the description of the present utility model are for the purpose of describing specific embodiments only and are not intended to limit the present utility model. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0069] Embodiment 1:

[0070] Please refer to Figures 1 to 2 , a precision stamping die with positioning and anti-misalignment of the present utility model, comprising a base 1, a support rod 2 fixedly connected to the rear end face of the base 1, a fixing plate 201 fixedly connected to the upper end face of the support rod 2, an electric push rod housing 3 fixedly connected to the center of the upper end face of the fixing plate 201, and an electric push rod is arranged inside the electric push rod housing 3, a fixing device 4 fixedly connected to the left side of the upper end face of the base 1, a stamping plate 5 is arranged on the lower end face of the fixing plate 201, and the output end of the electric push rod inside the electric push rod housing 3 is fixedly connected to the upper end face of the stamping plate 5, a limiting plate 6 is fixedly connected to the right side of the upper end face of the base 1, and a discharge port 7 is arranged on the front end face of the base 1.

[0071] The working principle of a precision stamping die with positioning and anti-misalignment based on Embodiment 1 is as follows:

[0072] First, place the device in the working area and connect it to the external power supply to provide the required power for the device;

[0073] Second, place the material to be stamped on the stamping die 12, and then start the small motor 16 to fix and limit the material;

[0074] Third, turn on the electric push rod arranged inside the electric push rod housing 3 to use it.

[0075] Embodiment 2:

[0076] Please refer to Figures 3 to 7 , a precision stamping die with positioning and anti-misalignment of the present utility model. Compared with Embodiment 1, this embodiment further includes:

[0077] On the left side of the upper end face of the base 1, there is a square groove 8. Inside the square groove 8, there is an arc-shaped sliding groove 9. In the center of the upper end face of the base 1, there is a notch 10. Inside the notch 10, there is a clamping projection 11 fixedly connected. Inside the notch 10 and on the inner side face of the clamping projection 11, there is a stamping die 12 fixedly connected. Inside the stamping die 12, there is an inner plate 13 rotatably connected. On the inner bottom end face of the stamping die 12, there is a reserved opening 14. Inside the base 1, there is a pushing device 15 fixedly connected. On the left end face inside the base 1, there is a small motor 16 fixedly connected. The output end of the small motor 16 is fixedly connected with a first connecting short plate 17. On the front end face of the first connecting short plate 17, there is a transmission disc 18 fixedly connected. In the center of the front end face of the transmission disc 18, there is a second connecting short plate 19 fixedly connected. On the outer side face of the second connecting short plate 19, there are two pull rods 20 fixedly connected. One end of a connecting belt 21 is transmission-connected on the transmission disc 18. The end of the connecting belt 21 far from the transmission disc 18 is transmission-connected with a first fixed disc 22. Inside the base 1, there is a housing 23 fixedly connected.

[0078] On the front end face of the first fixed disc 22, there is a connecting long rod 24 fixedly connected, and the connecting long rod 24 passes through the inside of the housing 23 and is rotatably connected with the housing 23. The end of the connecting long rod 24 far from the first fixed disc 22 is fixedly connected with a second fixed disc 25. On the front end face of the second fixed disc 25, there is a clamping column 26 fixedly connected. A chute plate 27 is inserted and slidably connected on the clamping column 26. On the front end face of the chute plate 27, there is a long plate 28 fixedly connected. On the upper end face of the housing 23, there is a connecting column 29 fixedly connected. On the upper end face of the connecting column 29, there is a short column 30 rotatably connected, and a torsion spring is arranged at the rotating connection of the connecting column 29 and the short column 30. There is an inclined groove 31 on the outer side face of the short column 30, and the inclined groove 31 is located on the left side of the outer side face of the short column 30. In the center of the upper end face of the inclined groove 31, there is a connecting short column 32 fixedly connected. On the upper end face of the connecting short column 32, there is a short plate 33 fixedly connected. On the left side of the upper end face of the short plate 33, there is a sliding column 34 fixedly connected, and the sliding column 34 passes through the arc-shaped sliding groove 9 and is slidably connected with the arc-shaped sliding groove 9.

[0079] A sliding plate 35 is slidably connected inside the square groove 8. In the middle of the bottom end face of the sliding plate 35, there is a straight groove 36, and the sliding column 34 passes through the arc-shaped sliding groove 9 and is inserted into the inside of the straight groove 36, and is slidably connected with the arc-shaped sliding groove 9 and the straight groove 36. On the upper end face of the sliding plate 35, there is a push rod 37 fixedly connected. On the upper end face of the base 1, there is a fixed bent plate 38 fixedly connected, and the push rod 37 passes through the center of the fixed bent plate 38 and is rotatably connected with the fixed bent plate 38. On the left and right sides of the fixed bent plate 38, there are bent brackets 39 inserted and slidably connected. Inside the bent brackets 39, there is a connecting plate 40 rotatably connected, and one end of the connecting plate 40 far from the bent bracket 39 is rotatably connected with the push rod 37. On the bent bracket 39, there is a clamping plate 41 fixedly connected. On the right end face inside the stamping die 12, there is a limiting block 42 fixedly connected. On the upper end face of the long plate 28, there is a tension spring 43 fixedly connected, and the end of the tension spring 43 far from the long plate 28 is rotatably connected with the lower end face of the inner plate 13.

[0080] The working principle of this embodiment is as follows:

[0081] First, when the small motor 16 is turned on, it will drive the first connecting short plate 17 to rotate, drive the transmission disc 18 to drive the second connecting short plate 19 to drive the pull rod 20 to move. The pull rod 20 moves and slides along the inclined groove 31 provided on the outer side of the short column 30, driving the short column 30 to rotate. At this time, the connecting column 29 and the short column 30 are rotationally connected and the torsion spring is stressed (when the pull rod 20 moves out of the inclined groove 31, the torsion spring returns to its original position without stress). The rotation of the short column 30 drives the connecting short column 32 to drive the short plate 33 to drive the connecting short column 32 to move, driving the slide plate 35 to slide inside the square groove 8, driving the push rod 37 to push the connecting plate 40 to pull the clamping plate 41 to move forward, and clamping the material above the stamping die 12 to achieve rapid fixation;

[0082] Second, when the electric push rod inside the electric push rod housing 3 is turned on to drive the stamping plate 5 to move downward to extrude and shape the material above the stamping die 12, the excess material outside the stamping die 12 will be extruded and cut off. At the same time, it is cut by the clamping protrusion 11, and the cut material will fall into the discharge port 7 through the notch 10 and then slide out from the discharge port 7, thus achieving rapid collection of the material;

[0083] Third, when it is necessary to take out the shaped material from inside the stamping die 12, the rotation of the transmission disc 18 drives the connecting belt 21 to drive the first fixed disc 22 to drive the connecting long rod 24 to drive the second fixed disc 25 to drive the clamping column 26 to move, and at the same time intermittently lift the chute plate 27. At this time, the tension spring 43 is stressed and squeezed to a certain extent, pushing the inner plate 13 to rotate and lift the material above the inner plate 13, which is convenient for workers to take.

[0084] The utility model provides a precision stamping die with positioning and anti-misoperation through improvement. By starting the small motor 16, the first connecting short plate 17 is driven to drive the transmission disc 18 to drive the second connecting short plate 19 to drive the pull rod 20 to move. At the same time, the pull rod 20 moves and is embedded in the inclined groove 31 to slide, driving the short column 30 to rotate, and at the same time driving the connecting short column 32 to drive the short plate 33 to drive the connecting short column 32 to drive the sliding plate 35 to drive the push rod 37 to push the connecting plate 40 to pull the clamping plate 41, so as to clamp and fix the material. And after the electric push rod drives the stamping plate 5 to move downward to extrude and shape the material above the stamping die 12 inside the electric push rod housing 3, the convex 11 can also cut off the redundant material outside the stamping die 12, which falls into the notch 10 and slides out from the discharge port 7 to achieve rapid collection. When it is necessary to take out the shaped material, the rotation of the transmission disc 18 drives the connecting belt 21 to drive the first fixed disc 22 to drive the connecting long rod 24 to drive the second fixed disc 25 to drive the clamping column 26 to intermittently drive the chute plate 27 to lift, and at the same time squeeze and stretch the spring 43 to push the inner plate 13 to rotate, so that the use can be more convenient.

[0085] The above shows and describes the basic principles, main features and advantages of the utility model. Moreover, the standard parts used in the utility model can all be purchased from the market. The special-shaped parts can be customized according to the records in the specification and the drawings. The specific connection methods of each part all adopt the mature conventional means such as bolts, rivets and welding in the prior art. The machines, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be elaborated here.

[0086] The above description of the disclosed embodiments enables those skilled in the art to implement or use the utility model. Various modifications to these embodiments will be obvious to those skilled in the art. The general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the utility model. Therefore, the utility model will not be limited to the embodiments shown herein, but will be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A precision stamping die with positioning error prevention function, comprising a base (1), a support rod (2) fixedly connected to the rear end surface of the base (1), a fixing plate (201) fixedly connected to the upper end surface of the support rod (2), an electric push rod housing (3) fixedly connected to the center of the upper end surface of the fixing plate (201), an electric push rod being arranged inside the electric push rod housing (3), and a fixing device (4) fixedly connected to the left side of the upper end surface of the base (1); Features: Also includes: A stamping plate (5), wherein the lower end surface of the fixed plate (201) is provided with the stamping plate (5), and the upper end surface of the stamping plate (5) is fixedly connected to the electric push rod output end inside the electric push rod housing (3); A limiting plate (6), the limiting plate (6) being fixedly connected to the right side of the upper end surface of the base (1); A discharge outlet (7), the front end surface of the base (1) is provided with a discharge outlet (7).

2. A precision stamping die with positioning error prevention according to claim 1, characterized in that: The base (1) comprises: A square groove (8), wherein a square groove (8) is provided on the left side of the upper end surface of the base (1); An arc-shaped slide groove (9), wherein an arc-shaped slide groove (9) is arranged inside the square groove (8); A notch (10), wherein the center of the upper end surface of the base (1) is provided with a notch (10); A clamping protrusion (11), the inner side of the notch (10) is fixedly connected with the clamping protrusion (11).

3. A precision stamping die with positioning error prevention according to claim 2, characterized in that: The base (1) further comprises: A stamping die (12), wherein the inner side surface of the clamping protrusion (11) inside the notch (10) is fixedly connected to the stamping die (12); An inner plate (13), the inner side of the stamping die (12) is rotatably connected to the inner side of the stamping die (12); A reserved opening (14), wherein the inner bottom end surface of the punching die (12) is provided with a reserved opening (14); A pushing device (15), wherein the inner side of the base (1) is fixedly connected with the pushing device (15).

4. A precision stamping die with positioning error prevention according to claim 3, characterized in that: The pushing device (15) comprises: A small motor (16), the small motor (16) being fixedly connected to the left end surface inside the base (1); A first connecting short plate (17), the output end of the small motor (16) being fixedly connected to the first connecting short plate (17); A transmission disc (18), the front end surface of the first connecting short plate (17) is fixedly connected with the transmission disc (18); A second connecting short plate (19), the center of the front end surface of the driving disc (18) is fixedly connected with the second connecting short plate (19); Pull rods (20), two pull rods (20) are fixedly connected to the outer side surface of the second connecting short plate (19); A connecting belt (21), one end of which is drivingly connected to the driving disc (18); A first fixed disc (22), one end of the connecting belt (21) away from the driving disc (18) is drivingly connected to the first fixed disc (22).

5. A precision stamping die with positioning error prevention according to claim 4, characterized in that: The pushing device (15) further comprises: A shell (23), the inner side of the base (1) being fixedly connected to the shell (23); A connecting long rod (24), wherein the front end surface of the first fixed disc (22) is fixedly connected with the connecting long rod (24), and the connecting long rod (24) penetrates the inner side of the outer shell (23) and is rotatably connected to the outer shell (23); A second fixed disc (25), wherein one end of the connecting rod (24) away from the first fixed disc (22) is fixedly connected to the second fixed disc (25); A clamping column (26), the front end surface of the second fixed disc (25) is fixedly connected with the clamping column (26); A slide plate (27) is inserted into and slidably connected to the clamping column (26).

6. A precision stamping die with positioning error prevention according to claim 5, characterized in that: The pushing device (15) further comprises: A long plate (28), the front end surface of the slide plate (27) is fixedly connected with the long plate (28); A connecting column (29), the upper end surface of the housing (23) being fixedly connected with the connecting column (29); A short column (30), the upper end surface of the connecting column (29) is rotatably connected to the short column (30); An oblique groove (31), wherein the outer side surface of the short column (30) is provided with an oblique groove (31); A connecting short column (32), wherein the center of the upper end surface of the inclined groove (31) is fixedly connected with the connecting short column (32); A short plate (33), the upper end surface of the connecting short column (32) is fixedly connected with the short plate (33); A sliding post (34) is fixedly connected to the left side of the upper end surface of the short plate (33).

7. A precision stamping die with positioning error prevention function according to claim 6, characterized in that: The fixing device (4) comprises: A slide plate (35), the inner side of the square groove (8) is slidably connected with the slide plate (35); A linear groove (36), wherein the middle of the bottom end surface of the slide plate (35) is provided with a linear groove (36), and the slide column (34) passes through the arc-shaped slide groove (9) and is inserted into the inner side of the linear groove (36), and is slidably connected with the arc-shaped slide groove (9) and the linear groove (36); A push rod (37), the upper end surface of the slide plate (35) is fixedly connected with the push rod (37); A fixed bent plate (38), wherein the upper end surface of the base (1) is fixedly connected with the fixed bent plate (38), and the push rod (37) passes through the center of the fixed bent plate (38) and is rotatably connected with the fixed bent plate (38); A curved bracket (39) is inserted and slidably connected to the left and right sides of the fixed curved plate (38).

8. A precision stamping die with positioning error prevention function according to claim 7, characterized in that: The fixing device (4) further comprises: A connecting plate (40), the inner side of the curved bracket (39) is rotatably connected to the connecting plate (40), and one end of the connecting plate (40) away from the curved bracket (39) is rotatably connected to the push rod (37); A clamping plate (41), the clamping plate (41) is fixedly connected to the bent bracket (39); A limit block (42), the inner right end surface of the punching die (12) being fixedly connected to the limit block (42); A tension spring (43), wherein the upper end surface of the long plate (28) is fixedly connected with the tension spring (43), and one end of the tension spring (43) away from the long plate (28) is rotationally connected with the lower end surface of the inner plate (13).

Images