Modularized universal stamping die capable of rapidly replacing punch-die and punch-die

Abstract

The invention provides a modular universal stamping die capable of rapidly replacing a male die and a female die. The modular universal stamping die comprises a base, a positioning mechanism, a locking mechanism, the female die and the male die. The positioning mechanism comprises a fixed seat, and the fixed seat is rotationally connected with a rotating disc and fixedly connected with a connecting block. Through collaborative design of the positioning mechanism and the locking mechanism, rapid replacement of the punch-die and the punch-die is achieved, a positioning block on the fixed disc is accurately matched with a positioning groove of the punch-die, a rotary disc is rotated to drive a sliding block and the locking mechanism to move through an arc-shaped groove and a connecting rod, and the locking position is rapidly adjusted; after the inserting block is inserted into the positioning hole, the protruding portion of the locking bolt extrudes the slope portion of the locking block, the locking block stretches out to complete locking, the spring assists in resetting, the bolt does not need to be disassembled repeatedly in the whole process, operation steps are reduced, the misoperation that the bolt is locked due to inaccurate positioning is avoided, meanwhile, abrasion of a positioning reference is reduced, and the working efficiency is improved. And the replacement efficiency and the size precision of stamping parts are improved.

Description

TECHNICAL FIELD

[0001] The application discloses a modular universal stamping die with quickly replaceable punch and die, and belongs to the technical field of stamping dies. BACKGROUND

[0002] A die is various dies and tools used for stamping and other methods to obtain required products in industrial production. In short, the die is a tool for making shaped articles, which realizes the machining of the shape of the articles mainly through the change of the physical state of the shaped material. In stamping work, different dies need to be replaced to meet the stamping machining requirements according to different machining requirements, and the die needs to be replaced due to wear in long-term stamping work. However, in the prior art, the stamping die as a key equipment for metal forming machining directly affects the production rhythm and manufacturing cost in terms of the replacement efficiency and universality of the punch and die. The punch and die of the traditional stamping die adopt an integral fixed structure and are rigidly connected with the die body through a plurality of fastening bolts. When the punch and die are replaced, the bolts need to be disassembled one by one, and the relative positions need to be calibrated. The operation steps are not only complicated, but also the repeated disassembly and assembly are easy to cause wear of the positioning datum, thereby affecting the size precision of the stamped part. At the same time, different specifications of the stamped part need to be matched with special punch and die and corresponding die bases, so that the die inventory is large, the equipment investment cost is high, and although some improved dies attempt to adopt a modular design, the following defects exist. The positioning mechanism and the locking mechanism are separated, the positioning and locking need to be adjusted respectively when the punch and die are replaced, and the misoperation of inaccurate positioning but locked is easy to occur. Therefore, the application provides a modular universal stamping die with quickly replaceable punch and die. SUMMARY

[0003] Therefore, the application provides a modular universal stamping die with quickly replaceable punch and die to solve or alleviate the technical problems in the prior art and at least provide a beneficial choice.

[0004] The technical scheme of the application is implemented as follows: a modular universal stamping die with quickly replaceable punch and die, comprising a base, a positioning mechanism, a locking mechanism, a die, and a punch. The positioning mechanism comprises a fixed seat, a rotating disc rotatably connected to the fixed seat, and a connecting block fixedly connected to the fixed seat, wherein one side of the connecting block away from the fixed seat is fixedly connected with a fixed disc; an arc-shaped slot is formed in the rotating disc, a rotating handle is connected to the outer side of the rotating disc, a positioning bolt is threadedly connected to the rotating handle, and a first bolt hole adapted to the positioning bolt is formed in the fixed seat; a first sliding slot is formed in the fixed disc, a connecting rod is slidably connected in the arc-shaped slot, a sliding block is connected to one end of the connecting rod away from the arc-shaped slot, the sliding block is slidably connected in the first sliding slot, a rod body is connected to one side of the sliding block away from the connecting rod, and one end of the rod body away from the sliding block is fixedly connected with the locking mechanism. The locking mechanism comprises an insertion block, a second bolt hole is formed in the insertion block, a locking bolt is threadedly connected in the second bolt hole, a cavity is arranged in the insertion block, and the cavity is in communication with the second bolt hole; a locking block is slidably connected in the insertion block, a spring is fixedly connected to one side of the locking block, and one end of the spring away from the locking block is fixedly connected to the inner wall of the cavity.

[0005] Further preferably, it further comprises a sliding rail, a sliding seat, and a transmission connecting plate; the sliding seat is slidably connected to the sliding rail, and the sliding seat is fixedly connected through the transmission connecting plate; the base and the transmission connecting plate are both provided with the positioning mechanism.

[0006] Further preferably, the fixed disc is provided with a positioning block, positioning slots and positioning holes are formed in the concave die and the convex die; the positioning block is adapted to the positioning slot, and the insertion block is adapted to the positioning hole.

[0007] Further preferably, one side of the locking block close to the locking bolt is provided with a slope portion, and one end of the locking bolt close to the locking block is provided with a protruding portion adapted to the slope portion.

[0008] Further preferably, the center of the arc-shaped slot coincides with the rotating center of the rotating disc, one end of the arc-shaped slot is arranged close to the rotating center of the rotating disc, and the other end extends away from the rotating center of the rotating disc.

[0009] Further preferably, a plurality of first bolt holes are uniformly distributed along the circumference of the fixed seat, and the plurality of first bolt holes are all adapted to the positioning bolt.

[0010] Further preferably, it further comprises an automatic unloading mechanism, and the automatic unloading mechanism comprises a vertical plate, a plate body, and a hopper; the vertical plate is fixedly arranged on the base, and the plate body is fixedly arranged on the sliding seat.

[0011] Further preferably, a first movable arm is rotatably connected to the vertical plate, a first connecting arm is rotatably connected to one end of the first movable arm away from the vertical plate, and the first connecting arm is rotatably connected to the hopper at an end away from the first movable arm.

[0012] Further preferably, a second chute is formed in the hopper, a slide rod is slidably connected in the second chute, and two ends of the slide rod are connected with the second movable arm and the first movable arm respectively.

[0013] Further preferably, when the spring is in a natural state, an end face of the locking block away from the spring is flush with an outer surface of the plug.

[0014] The embodiment of the present application has the following advantages due to the above technical solutions. Firstly, the present application realizes the quick replacement of the male and female dies through the cooperative design of the positioning mechanism and the locking mechanism. When positioning, the positioning blocks on the fixed disc are accurately matched with the positioning grooves of the male and female dies, and the rotation of the rotating disc can drive the sliding blocks and the locking mechanism to move through the arc-shaped grooves and the connecting rods, so that the locking position is quickly adjusted. When locking, after the plug is inserted into the positioning hole, the protruding part of the locking bolt extrudes the inclined part of the locking block, so that the locking block is extended to complete the locking, and the spring assists in resetting. The whole process does not need to repeatedly disassemble the bolt, reduces the operation steps, avoids the misoperation of inaccurate positioning but locked, reduces the wear of the positioning reference, and improves the replacement efficiency and the size precision of the punched parts.

[0015] Secondly, the present application adopts the modular design and has strong universality. The positioning mechanism is arranged on the base and the transmission connecting plate, the female die and the male die are adapted with the positioning grooves and the positioning holes and the positioning blocks and the plugs, different specifications of the male and female dies can be adapted, a special die base does not need to be separately prepared for each specification, the die inventory is effectively reduced, the equipment investment cost is reduced, and the production flexibility is improved.

[0016] The above summary is only for the purpose of the description and is not intended to limit in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features will be readily apparent to those skilled in the art by reference to the drawings and the following detailed description. BRIEF DESCRIPTION OF DRAWINGS In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without any creative effort.

[0017] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0018] Figure 2 It is a schematic diagram of the structure of the automatic unloading mechanism in the stamping working state of the present application.

[0019] Figure 3 It is a schematic diagram of the structure of the automatic unloading mechanism in the return reset state of the present application.

[0020] Figure 4 It is a schematic diagram of the structure of the positioning mechanism in the present application.

[0021] Figure 5 It is an exploded schematic diagram of the positioning mechanism in the present application.

[0022] Figure 6 It is a schematic diagram of the connection structure of the locking mechanism and the sliding block in the present application.

[0023] Figure 7 It is a structural diagram of the arc-shaped groove and the rotating disc in the present application.

[0024] Figure 8 It is a schematic diagram of the internal section structure of the locking mechanism in the present application.

[0025] Figure 9 It is a structural diagram of the concave die and the convex die in the present application.

[0026] Among them: 1 - base; 10 - sliding rail; 11 - sliding seat; 12 - transmission connecting plate; 2 - positioning mechanism; 20 - fixed seat; 21 - rotating disc; 22 - fixed disc; 23 - connecting block; 24 - arc-shaped groove; 25 - first sliding groove; 26 - sliding block; 27 - connecting rod; 28 - rotating handle; 29 - first bolt hole; 201 - positioning bolt; 202 - positioning block; 203 - rod body; 3 - locking mechanism; 30 - insertion block; 31 - locking bolt; 32 - cavity; 33 - second bolt hole; 34 - locking block; 35 - spring; 36 - inclined part; 37 - protruding part; 4 - automatic unloading mechanism; 40 - vertical plate; 41 - hopper; 42 - first movable arm; 43 - second sliding groove; 44 - first connecting arm; 45 - sliding rod; 46 - second movable arm; 47 - plate body; 48 - second connecting arm; 5 - concave die; 50 - positioning groove; 51 - positioning hole; 6 - convex die. DETAILED DESCRIPTION In order to make the objects, technical solutions and advantages of the present application clearer, the following further describes the present application with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and not used to limit the scope of the present application. In addition, in the following description, the description of well-known structures and techniques is omitted to avoid unnecessary confusion of the concept of the present application.

[0027] In the description of the present application, it should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0028] In the description of the present application, it should be noted that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the present application is usually placed, and are only for the convenience of describing the present application and simplifying 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 understood as limiting the present application. In addition, the terms "first", "second", "third", and the like are only used to distinguish the description and cannot be understood as indicating or implying relative importance. 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, "a plurality of" means two or more, unless otherwise explicitly specified and limited. "Several" means one or more, unless otherwise explicitly specified and limited.

[0029] In the description of the present application, it should also be noted that unless otherwise explicitly specified and limited, the terms "disposed", "mounted", "connected", "linked" should be broadly understood, for example, can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, can be electrically connected; can be directly connected, can be indirectly connected through an intermediate medium, and can be internal communication of two elements. 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.

[0030] The embodiments of the present application are described in detail below with reference to the accompanying drawings.

[0031] As Figure 1As shown in Fig. 9, the embodiment of the present application provides a modular universal stamping die with replaceable punch and die, which comprises a base 1, a positioning mechanism 2, a locking mechanism 3, a die 5 and a punch 6. In one embodiment, the positioning mechanism 2 comprises a fixed seat 20, a rotating disc 21 rotatably connected to the fixed seat 20, a connecting block 23 fixedly connected to the rotating disc 21, and a fixed disc 22 fixedly connected to the side of the connecting block 23 away from the fixed seat 20; the rotating disc 21 is provided with an arc-shaped slot 24, and a rotating handle 28 is connected to the outer side of the rotating disc 21; a positioning bolt 201 is threadedly connected to the rotating handle 28, and the fixed seat 20 is provided with a first bolt hole 29 matched with the positioning bolt 201; the fixed disc 22 is provided with a first sliding slot 25, and a connecting rod 27 is slidably connected in the arc-shaped slot 24; one end of the connecting rod 27 away from the arc-shaped slot 24 is connected with a sliding block 26, the sliding block 26 is slidably connected in the first sliding slot 25, and a rod body 203 is connected to the side of the sliding block 26 away from the connecting rod 27; one end of the rod body 203 away from the sliding block 26 is fixedly connected with the locking mechanism 3. Rotating the rotating handle 28 can drive the rotating disc 21 to rotate around the fixed seat 20; when the arc-shaped slot 24 on the rotating disc 21 rotates, it drives the connecting rod 27 to slide in the arc-shaped slot 24, and in turn drives the sliding block 26 to slide along the first sliding slot 25 of the fixed disc 22, and synchronously drives the locking mechanism 3 to move to adjust the position; after the locking mechanism 3 reaches the target position, the positioning bolt 201 is screwed into the first bolt hole 29 of the fixed seat 20 to fix the position of the rotating disc 21 and the locking mechanism 3; through the linkage of the rotating disc 21, the arc-shaped slot 24, the sliding block 26 and other components, the quick position adjustment of the locking mechanism 3 is realized, without the need to disassemble the components one by one, reducing the adjustment steps; the cooperation of the positioning bolt 201 and the first bolt hole 29 can ensure the stable position of the locking mechanism 3, avoid the influence of loosening on the positioning accuracy during stamping, and improve the operation convenience and structural stability.

[0032] In one embodiment, the locking mechanism 3 comprises an insertion block 30, the insertion block 30 is provided with a second bolt hole 33, a locking bolt 31 is threadedly connected in the second bolt hole 33, the insertion block 30 is internally provided with a cavity 32, and the cavity 32 is in communication with the second bolt hole 33; a locking block 34 is slidably connected in the insertion block 30, one side of the locking block 34 is fixedly connected with a spring 35, and one end of the spring 35 away from the locking block 34 is fixedly connected to the inner wall of the cavity 32; When the plug 30 is inserted into the positioning hole 51 of the punch-die, the locking bolt 31 is screwed to move downward along the second bolt hole 33, the end of the locking bolt 31 extrudes the locking block 34, forcing the locking block 34 to slide outward of the plug 30 against the elastic force of the spring 35, so as to be clamped with the inner wall of the positioning hole 51 to achieve locking; when loosening, the locking bolt 31 is screwed in the opposite direction, the spring 35 resets to push the locking block 34 to retract into the cavity 32, so that the end surface of the locking block 34 is flush with the outer surface of the plug 30, facilitating the plug 30 to be pulled out of the positioning hole 51; the plug 30 is quickly locked and loosened through the cooperation of the locking bolt 31 and the locking block 34, without the need to disassemble multiple bolts, simplifying the punch-die replacement process; the resetting function of the spring 35 ensures that the locking block 34 is completely retracted when loosening, avoiding interference with the insertion and extraction of the plug 30, and improving the smoothness of operation.

[0033] In one embodiment, the slide rail 10, the slide base 11 and the transmission connecting plate 12 are further included; the slide base 11 is slidingly connected to the slide rail 10, and the slide base 11 is fixedly connected through the transmission connecting plate 12; the base 1 and the transmission connecting plate 12 are both provided with the positioning mechanism 2; the fixed disc 22 is provided with the positioning block 202, and the female die 5 and the male die 6 are both provided with the positioning groove 50 and the positioning hole 51; the positioning block 202 is adapted to the positioning groove 50, and the plug 30 is adapted to the positioning hole 51; The slide base 11 can slide along the slide rail 10, and the positioning mechanism 2 thereon is driven through the transmission connecting plate 12 to move synchronously with the male die 6, and the positioning mechanism 2 on the base 1 is matched with the female die 5 to complete the stamping action; when the punch-die is installed, the positioning block 202 on the fixed disc 22 is inserted into the positioning groove 50 of the female die 5 or the male die 6 to achieve preliminary positioning, and the plug 30 is inserted into the positioning hole 51 to complete accurate alignment.

[0034] In one embodiment, the side of the locking block 34 close to the locking bolt 31 is provided with a slope portion 36, and the end of the locking bolt 31 close to the locking block 34 is provided with a protruding portion 37 adapted to the slope portion 36; the center of the arc-shaped groove 24 coincides with the rotation center of the rotating disc 21, one end of the arc-shaped groove 24 is close to the rotation center of the rotating disc 21, and the other end extends away from the rotation center of the rotating disc 21; a plurality of first bolt holes 29 are uniformly distributed along the circumference of the fixed seat 20, and the plurality of first bolt holes 29 are all adapted to the positioning bolt 201; When locking, the protruding part 37 of the locking bolt 31 is in contact with the inclined part 36 of the locking block 34, converting the rotating force of the bolt into the transverse thrust of the locking block 34, so that the locking block 34 can be more smoothly extended; when the rotating disc 21 rotates, the arc-shaped groove 24 ensures the radial stable movement of the connecting rod 27 and the sliding block 26 along the first sliding groove 25, because the center of the arc-shaped groove 24 coincides with the rotating center of the rotating disc 21; the plurality of first bolt holes 29 can fix the rotating disc 21 at different angles by the positioning bolt 201, so as to adapt to the positioning requirements of different specifications of the male and female dies; the cooperation of the inclined part 36 and the protruding part 37 improves the locking efficiency and locking strength, avoiding jamming during locking; the structural design of the arc-shaped groove 24 ensures the accurate movement trajectory of the locking mechanism 3, improving the positioning accuracy; the plurality of first bolt holes 29 increase the positioning flexibility, so that the mold can be adapted to various specifications of the male and female dies, improving the versatility.

[0035] In one embodiment, the automatic unloading mechanism 4 is further included, and the automatic unloading mechanism 4 comprises a vertical plate 40, a plate body 47 and a hopper 41; the vertical plate 40 is fixedly arranged on the base 1, and the plate body 47 is fixedly arranged on the sliding seat 11; a first movable arm 42 is rotationally connected to the vertical plate 40, one end of the first movable arm 42 away from the vertical plate 40 is rotationally connected with a first connecting arm 44, and one end of the first connecting arm 44 away from the first movable arm 42 is rotationally connected to the hopper 41; a second movable arm 46 is rotationally connected to the plate body 47, one end of the second movable arm 46 away from the plate body 47 is rotationally connected with a second connecting arm 48, and one end of the second connecting arm 48 away from the second movable arm 46 is rotationally connected to the hopper 41; a second sliding groove 43 is formed in the hopper 41, and a sliding rod 45 is slidably connected in the second sliding groove 43, and two ends of the sliding rod 45 are respectively connected with the second movable arm 46 and the first movable arm 42; As shown in Figure 1 , 2 When the equipment is performing the stamping work, the sliding seat 11 moves along the sliding rail 10 to the base 1, i.e. the concave die 5, direction, driving the plate body 47 fixed to the sliding seat 11 to move synchronously close to the base 1; at this time, the second movable arm 46 rotates counterclockwise around the connection point with the plate body 47 due to the movement of the plate body 47, so as to Figure 2 viewed from the perspective, and the second connecting arm 48 is pushed by the second movable arm 46, driving the hopper 41 to swing away from the stamping area; when the second movable arm 46 rotates, the first movable arm 42 is pulled by the sliding rod 45, so as to rotate clockwise around the connection point with the vertical plate 40, so as to Figure 2 viewed from the perspective, and the sliding rod 45 slides in the second sliding groove 43 of the hopper 41 under the action of the downward force, adapting to the change of the position of the hopper 41; the first connecting arm 44 rotates with the first movable arm 42, assisting to pull the hopper 41 to keep a stable posture, and the hopper 41 is completely pushed away from the stamping work area of the convex die 6 and the concave die 5, avoiding interference with the stamping parts, and ensuring the smooth progress of the stamping process; As shown in Figure 3As shown, after the stamping is completed, the slide 11 moves back along the slide rail 10 away from the base 1, and the plate body 47 moves away from the base 1 synchronously with the slide 11; at this time, the second movable arm 46 rotates counterclockwise around the connecting point with the plate body 47 due to the movement of the plate body 47, so as to Figure 3 As shown, the second connecting arm 48 is pulled at the end, and the second connecting arm 48 is pulled by the second movable arm 46, so as to drive the hopper 41 to swing towards the stamping area; when the second movable arm 46 rotates reversely, the first movable arm 42 is pushed by the slide rod 45 to rotate clockwise around the connecting point with the vertical plate 40, so as to Figure 3 As shown, the slide rod 45 slides in the second sliding groove 43 of the hopper 41 under the action of the upward force, so as to adapt to the position change of the hopper 41; the first connecting arm 44 rotates with the first movable arm 42 to assist in pushing the hopper 41 to keep a stable posture, and the hopper 41 moves accurately to the position directly below the workpiece after the stamping is completed, so as to receive and collect the falling workpiece, thereby realizing automatic unloading.

[0036] When the present application works: first, the installation and positioning of the punch and die are carried out, the die 5 is placed on the positioning mechanism 2 of the base 1, the punch 6 is placed on the positioning mechanism 2 of the transmission connecting plate 12, the positioning block 202 on the fixed disc 22 is embedded in the positioning groove 50 of the punch 5 and the punch 6 to realize preliminary positioning, then the rotating handle 28 is rotated to drive the rotating disc 21 to rotate, the arc-shaped groove 24 pushes the sliding block 26 to slide along the first sliding groove 25 through the connecting rod 27, and then the locking mechanism 3 is driven to move through the rod body 203, so that the plug block 30 is inserted into the positioning hole 51 of the punch 5 and the punch 6; after adjustment, the positioning bolt 201 is screwed into the first bolt hole 29 of the fixed seat 20 to fix the position of the rotating disc 21 and the locking mechanism 3; then the locking bolt 31 is screwed, the protruding part 37 of the locking bolt 31 extrudes the inclined part 36 of the locking block 34, so that the locking block 34 extends out of the surface of the plug block 30 to be clamped with the inner wall of the positioning hole 51, and the fixing of the punch and die is completed.

[0037] During the stamping operation, the slide 11 slides along the slide rail 10 towards the base 1, and the punch 6 is driven to move synchronously by the transmission connecting plate 12 to complete the stamping action together with the die 5 on the base 1. During this process, the automatic unloading mechanism 4 moves with the slide 11: the plate body 47 drives the second movable arm 46 to rotate, the first movable arm 42 is pulled by the second connecting arm 48 and the slide rod 45, and the hopper 41 moves away from the stamping area under the cooperation of the second sliding groove 43 and the slide rod 45 to avoid interference.

[0038] After the stamping is completed, the slide 11 moves back along the slide rail 10, the male die 6 is separated from the female die 5. At this time, the automatic unloading mechanism 4 is reversely linked: the second movable arm 46 rotates with the plate body 47 reset, the first movable arm 42 is pushed through the second connecting arm 48 and the slide rod 45, so that the hopper 41 moves to the lower side of the workpiece after stamping, and the workpiece is received and collected. If the male and female dies need to be replaced, the locking bolt 31 is reversely screwed, the spring 35 pushes the locking block 34 to reset, the plug block 30 is pulled out, and the positioning bolt 201 is loosened to adjust the position of the locking mechanism 3, so that the replacement is quickly completed.

[0039] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can easily think of various changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A modular universal stamping die with quick replaceable male and female dies, characterized by: It includes a base (1), a positioning mechanism (2), a locking mechanism (3), a die (5), and a punch (6); The positioning mechanism (2) comprises a fixed seat (20), a rotating disk (21) is rotatably connected to the fixed seat (20) and a connecting block (23) is fixedly connected to the fixed seat (20), and a fixed disk (22) is fixedly connected to the connecting block (23) on a side away from the fixed seat (20); an arc-shaped groove (24) is provided on the rotating disk (21), a rotating handle (28) is connected to the outer side of the rotating disk (21), a positioning bolt (201) is threadedly connected to the rotating handle (28), and a screw threadedly connected to the positioning bolt (201) is provided on the fixed seat (20). A first bolt hole (29) is adapted; a first sliding groove (25) is provided on the fixing plate (22); a connecting rod (27) is slidably connected in the arc groove (24); an end of the connecting rod (27) away from the arc groove (24) is connected to a slider (26); the slider (26) is slidably connected in the first sliding groove (25); a side of the slider (26) away from the connecting rod (27) is connected to a rod body (203); an end of the rod body (203) away from the slider (26) is fixedly connected to the locking mechanism (3); The locking mechanism (3) includes an insert block (30), a second bolt hole (33) is provided on the insert block (30), a locking bolt (31) is connected to the inner thread of the second bolt hole (33), a cavity (32) is provided inside the insert block (30), and the cavity (32) is communicated with the second bolt hole (33); a locking block (34) is slidably connected inside the insert block (30), a spring (35) is fixedly connected to one side of the locking block (34), and an end of the spring (35) away from the locking block (34) is fixedly connected to the inner wall of the cavity (32).

2. A modular universal stamping die with rapidly replaceable male and female dies according to claim 1, characterized in that: It also includes a slide rail (10), a slide seat (11) and a transmission connecting plate (12); the slide seat (11) is slidably connected to the slide rail (10), and the slide seat (11) is fixedly connected via the transmission connecting plate (12); the base (1) and the transmission connecting plate (12) are both provided with the positioning mechanism (2).

3. The modular universal stamping die with rapidly replaceable male and female dies according to claim 1, characterized in that: A positioning block (202) is provided on the fixed disk (22), and a positioning groove (50) and a positioning hole (51) are provided on the concave mold (5) and the convex mold (6); the positioning block (202) is adapted to the positioning groove (50), and the insert block (30) is adapted to the positioning hole (51).

4. The modular universal stamping die with rapidly replaceable male and female dies according to claim 1, characterized in that: A slope portion (36) is provided on one side of the locking block (34) close to the locking bolt (31), and a protrusion (37) adapted to the slope portion (36) is provided on one end of the locking bolt (31) close to the locking block (34).

5. The modular universal stamping die with rapidly replaceable male and female dies according to claim 1, characterized in that: The center of the arc groove (24) coincides with the rotation center of the turntable (21), one end of the arc groove (24) is arranged close to the rotation center of the turntable (21), and the other end extends in a direction away from the rotation center of the turntable (21).

6. The modular universal stamping die with rapidly replaceable male and female dies according to claim 1, characterized in that: A plurality of the first bolt holes (29) are evenly distributed along the circumference of the fixing seat (20), and the plurality of the first bolt holes (29) are all compatible with the positioning bolts (201).

7. The modular universal stamping die with rapidly replaceable male and female dies according to claim 2, characterized in that: It also includes an automatic unloading mechanism (4), which includes a vertical plate (40), a plate body (47) and a hopper (41); the vertical plate (40) is fixedly arranged on the base (1), and the plate body (47) is fixedly arranged on the slide (11).

8. The modular universal stamping die with rapidly replaceable male and female dies according to claim 7, characterized in that: The vertical plate (40) is rotatably connected to a first movable arm (42), and the end of the first movable arm (42) away from the vertical plate (40) is rotatably connected to a first connecting arm (44), and the end of the first connecting arm (44) away from the first movable arm (42) is rotatably connected to the hopper (41); the plate body (47) is rotatably connected to a second movable arm (46), and the end of the second movable arm (46) away from the plate body (47) is rotatably connected to a second connecting arm (48), and the end of the second connecting arm (48) away from the second movable arm (46) is rotatably connected to the hopper (41).

9. The modular universal stamping die capable of quickly replacing male and female dies according to claim 8, characterized in that: The hopper (41) is provided with a second chute (43), a slide rod (45) is slidably connected in the second chute (43), and two ends of the slide rod (45) are respectively connected to the second movable arm (46) and the first movable arm (42).

10. The modular universal stamping die with rapidly replaceable male and female dies according to claim 4, characterized in that: When the spring (35) is in a natural state, an end surface of the locking block (34) away from the spring (35) is flush with the outer surface of the insert block (30).

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