Stamping die convenient to demould

Abstract

The invention discloses a stamping die convenient to demould, and relates to the technical field of stamping die demoulding, the stamping die convenient to demould comprises a lower die base and a die cavity formed in the surface of the lower die base, and further comprises a triggering structure, a first driving structure and a second driving structure, the triggering structure comprises a base fixedly connected to the surface of the lower die base and a guide rod connected to the surface of the base in a sliding mode, the material floating device comprises a base, a guide rod fixedly connected to the base, a material floating plate fixedly connected to the end, away from the base, of the guide rod, a first spring fixedly connected between the material floating plate and the base, a triggering assembly fixedly connected to the surface of the material floating plate, and a locking assembly fixedly connected to the surface of the triggering assembly. The demolding structure comprises a supporting rod fixedly connected to the surface of the trigger assembly, a first rotating wheel fixedly connected to the surface of the supporting rod, a covered groove formed in the surface of the lower mold base and a supporting rod fixedly connected to the surface of the first rotating wheel. According to the invention, the technical problems of workpiece sticking caused by vacuum adsorption of the stamping die, demolding resistance caused by residual material accumulation, unsmooth movement of the ejector rod and the like are effectively solved.

Description

Technical Field

[0001] This invention relates to the field of stamping die demolding technology, specifically to a stamping die that is easy to demold. Background Technology

[0002] The stamping process uses a press and stamping dies to apply pressure to a metal sheet, causing the metal sheet to undergo plastic deformation or separation.

[0003] Stamping dies are tools used to stamp metal sheets into specific parts. After stamping is completed, the demolding process begins. The upper die is lifted first. If the part is stuck in the die cavity, the lifting mechanism below will push it out smoothly. If the part is attached to the punch, it will be scraped off by a scraper plate or other devices. Finally, it ensures that the formed part can be smoothly and without damage separated from the die, ready for the next stamping.

[0004] However, during the demolding process of existing stamping dies, when the stamped workpiece is tightly attached to the die cavity surface, a small, sealed space is formed. The air in this space is expelled, and at the moment of rapid separation of the die, a local vacuum is easily formed in this space. The formed workpiece not only adheres to the die cavity and is difficult to detach, reducing the lifting performance of the ejector pin in the die cavity, but also causes residual material to adhere to the die cavity surface due to material extrusion during stamping. This not only makes it difficult to demold the workpiece, but also makes it difficult to separate the upper and lower dies, ultimately seriously affecting the efficiency of continuous die operation.

[0005] Therefore, we made improvements and proposed a stamping die that is easy to demold. Summary of the Invention

[0006] The purpose of this invention is to provide a stamping die that is easy to demold, so as to solve the problems mentioned in the background art.

[0007] To solve the above-mentioned technical problems, the present invention provides the following technical solution: a stamping die that is easy to demold, comprising a lower die base, a die cavity formed on the surface of the lower die base, and further comprising: The triggering structure includes a base fixedly connected to the surface of the lower mold base, a guide rod slidably connected to the surface of the base, a float plate fixedly connected to one end of the guide rod away from the base, a first spring fixedly connected between the float plate and the base, a triggering component fixedly connected to the surface of the float plate, and a locking component fixedly connected to the surface of the triggering component. The demolding structure includes a support rod fixedly connected to the surface of the triggering component, a first rotating wheel fixedly connected to the surface of the support rod, a groove formed on the surface of the lower mold base, a support rod fixedly connected to the surface of the first rotating wheel, a cleaning component fixedly connected to the surface of the first rotating wheel and located on the side of the mold cavity, and an auxiliary component fixedly connected to the surface of the support rod and located on the side of the cleaning component.

[0008] As a preferred embodiment of the stamping die that facilitates demolding according to the present invention, the triggering component includes a first toothed plate fixedly connected to the surface of the floating material plate, a support plate fixedly connected to the surface of the base, a spur gear meshing with the surface of the first toothed plate, and a transmission shaft meshing with the surface of the spur gear, the transmission shaft being rotatably connected to the surface of the support plate.

[0009] As a preferred embodiment of the stamping die for easy demolding described in this invention, the locking assembly includes: a first fixed plate fixedly connected to the surface of the support plate; a second toothed plate slidably connected to the surface of the first fixed plate and meshing with the spur gear; a double-headed pressure plate rotatably connected to one end of the second toothed plate via a pin; a fulcrum shaft movably connected to the surface of the double-headed pressure plate; and support seats movably connected to both ends of the fulcrum shaft. One end of the support seat is fixedly connected to the surface of the base. A cylindrical pin is movably connected to one end of the double-headed pressure plate. A trapezoidal block is rotatably connected to both ends of the cylindrical pin. An extension rod is fixedly connected to the surface of the trapezoidal block, and a telescopic cylinder is slidably connected to the surface of the extension rod.

[0010] As a preferred embodiment of the stamping die for easy demolding according to the present invention, the removal assembly includes: a support column fixedly connected to the surface of the groove; a second rotating wheel rotatably connected to the surface of the support column; a third fixing plate fixedly connected to the surface of the groove; a rail rod slidably connected to the surface of the third fixing plate; a cable fixedly connected to one end of the rail rod and slidably connected to the surface of the second rotating wheel; the cable being fixed to the surface of the first rotating wheel; an adsorption base fixedly connected to one end of the rail rod and located on the side of the mold cavity; and an elastic rope fixedly connected between the adsorption base and the groove.

[0011] As a preferred embodiment of the stamping die for easy demolding described in this invention, the auxiliary components include: a connecting rope fixedly connected to the surface of the support rod; a second rotating shaft fixedly connected to the surface of the connecting rope; a second mainspring fixedly connected to the surface of the second rotating shaft; a second mainspring box fixedly connected to the end of the second mainspring away from the second rotating shaft; the second mainspring box fixedly connected to the surface of the lower die base; a rotating plate fixedly connected to the surface of the second rotating shaft; a transmission plate rotatably connected to the surface of the rotating plate; and a telescopic rod rotatably connected to the surface of the transmission plate.

[0012] As a preferred embodiment of the stamping die that facilitates demolding according to the present invention, wherein: a first bevel gear is fixedly connected to one end of the transmission shaft, a second bevel gear is meshed with the surface of the first bevel gear, a connecting shaft is fixedly connected to the surface of the second bevel gear, a pawl is fixedly connected to the surface of the connecting shaft, and a ratchet is rotatably connected to the surface of the pawl.

[0013] As a preferred embodiment of the stamping die that is easy to demold according to the present invention, wherein: a first mainspring box is fixedly connected to the surface of the base, a first mainspring is fixedly connected to the surface of the first mainspring box, a first rotating shaft is fixedly connected to the surface of the first mainspring, the ratchet is fixedly connected to the surface of the first rotating shaft, and the connecting shaft is rotatably connected to the surface of the first mainspring box. A limiting post is fixedly connected to the base surface and directly below the floating material plate.

[0014] As a preferred embodiment of the stamping die for easy demolding described in this invention, wherein: a second fixing plate is fixedly connected to the surface of the support plate, a push-pull rod is slidably connected to the surface of the second fixing plate, a conical block is fixedly connected to one end of the push-pull rod, an L-shaped locking rod is fixedly connected to the other end of the push-pull rod, a roller is rotatably connected to the surface of the conical block, a compression spring is fixed between the conical block and the second fixing plate, a sliding groove is provided on the surface of the L-shaped locking rod, a sliding rod is slidably connected to the surface of the sliding groove, and a locking block is slidably connected to the surface of the L-shaped locking rod.

[0015] As a preferred embodiment of the stamping die that facilitates demolding according to the present invention, wherein: a cylinder is fixedly connected to the surface of the base, an air inlet is provided on the surface of the cylinder, a piston plate is slidably connected to the surface of the cylinder, a telescopic rod is fixedly connected to the surface of the piston plate, an air outlet is provided on the surface of the cylinder, and an air supply pipe located on the side of the mold cavity is fixedly connected to the surface of the air outlet.

[0016] As a preferred embodiment of the stamping die for easy demolding described in this invention, the lower die base has a seat groove on its surface, an ejector rod is slidably connected to the die cavity surface, a base plate is fixedly connected to the lower die base surface, a buffer column is fixedly connected to the base plate surface, a top cover is fixedly connected to the buffer column surface, a connecting column is fixedly connected to the top cover surface, an upper die base is slidably connected to the connecting column surface, and a punch is slidably connected to the upper die base surface.

[0017] The beneficial effects of this invention are as follows: This invention achieves automatic acquisition of the kinetic energy of the sheet metal movement during the stamping process through a floating pressure plate and gear transmission mechanism. The energy is continuously stored through a ratchet spring system. The unlocking mechanism of the ladder-shaped block locking component and the mold opening and closing linkage ensures the reliable release of the stored energy at the critical moment of demolding. Through the cable-driven adsorption base and the spring-driven pneumatic cleaning system, the mechanical scraping and high-pressure airflow cleaning of the mold cavity surface are completed successively, forming a multi-stage collaborative cleaning mode. This technical solution effectively solves the technical problems of workpiece sticking to the mold and demolding resistance caused by residual material accumulation due to vacuum adsorption in existing stamping dies, as well as the poor movement of ejector pins. The entire pure mechanical linkage system significantly improves the demolding success rate and the stability and efficiency of continuous operation of the mold without relying on external energy. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a cross-sectional schematic diagram of the overall structure of the stamping die for easy demolding according to the present invention.

[0020] Figure 2 This is a cross-sectional schematic diagram of the lower die base of the stamping die for easy demolding according to the present invention.

[0021] Figure 3 This is a cross-sectional schematic diagram of the hidden groove in the stamping die of the present invention, which facilitates demolding.

[0022] Figure 4 For the present invention Figure 3 A schematic diagram of the structure of part A.

[0023] Figure 5 For the present invention Figure 3 A schematic diagram of the structure of part B.

[0024] Figure 6 This is a schematic diagram of the locking assembly structure of the stamping die that facilitates demolding according to the present invention.

[0025] Figure 7 This is a plan view of the locking component of the stamping die for easy demolding according to the present invention.

[0026] Figure 8 This is a schematic diagram of the trigger component structure of the stamping die that facilitates demolding according to the present invention.

[0027] Figure 9 This is a schematic diagram of the mold cavity structure of the stamping die for easy demolding according to the present invention.

[0028] Figure 10 For the present invention Figure 9 A structural diagram of part C.

[0029] Figure 11 This is a schematic diagram of the auxiliary components of the stamping die for easy demolding according to the present invention.

[0030] Figure 12 This is a schematic diagram of the bottom structure of the second spring box of the stamping die for easy demolding according to the present invention.

[0031] Figure 13 This is a schematic diagram of the overall structure of the stamping die for easy demolding according to the present invention.

[0032] In the diagram: 101, lower mold base; 1011, mold slot; 102, base plate; 103, buffer pillar; 104, top cover; 200. Triggering structure; 201. Base; 202. Limiting post; 203. Guide rod; 204. Floating plate; 205. First spring; 206. Triggering assembly; 207. Locking assembly; 2061. First toothed plate; 2062. Support plate; 2063. Circular gear; 2064. Drive shaft; 2065. First bevel gear; 2066. Second bevel gear; 2067. Connecting shaft; 2068. Pawl; 2069. Ratchet; 2071. First fixing plate; 2072. Second toothed plate; 2073. Pin; 2074. Double-headed pressure plate; 2075. Support seat; 2076. Pivot shaft; 2077. Trapezoidal block; 2078. Cylindrical pin; 2079. Extension rod; 2080. Telescopic cylinder; 2081. Second fixed plate; 2082. Push-pull rod; 2083. Compression spring; 2084. Conical block; 2085. Roller; 2086. L-shaped locking rod; 2087. Slide rod; 2088. Slide groove; 2089. Locking block; 2091. First rotating shaft; 2092. First mainspring box; 2093. First mainspring; 300. Demolding structure; 301. Support rod; 302. First rotating wheel; 303. Support rod; 304. Hidden groove; 305. Clearing assembly; 306. Auxiliary assembly; 3051. Support column; 3052. Second rotating wheel 3053, Cable; 3054, Third fixing plate; 3055, Rail rod; 3056, Adsorption base; 3057, Elastic rope; 3061, Connecting rope; 3062, Second rotating shaft; 3063, Second spring box; 3064, Second spring; 3065, Rotating plate; 3066, Transmission plate; 3067, Cylinder; 3068, Telescopic rod; 3069, Piston plate; 3070, Air inlet; 3071, Air outlet; 3072, Air supply pipe; 401, Connecting column; 402, Upper mold base; 403, Punch; 501, Mold cavity; 502, Ejector rod. Detailed Implementation

[0033] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0034] Many specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the spirit of the invention. Therefore, the invention is not limited to the specific embodiments disclosed below.

[0035] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places throughout this specification does not necessarily refer to the same embodiment, nor is it an embodiment that is mutually exclusive, either alone or selectively, with other embodiments.

[0036] Secondly, the present invention is described in detail with reference to the schematic diagrams. When detailing the embodiments of the present invention, for ease of explanation, the cross-sectional views illustrating the device structure may be partially enlarged, not according to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of the present invention. In addition, actual fabrication should include three-dimensional spatial dimensions of length, width, and depth.

[0037] Example 1, referring to Figure 1 - Figure 5 This is the first embodiment of the present invention, providing a stamping die that is easy to demold. The device includes a lower die base 101, a die cavity 501 formed on the surface of the lower die base 101, and further includes: The trigger structure 200 includes a base 201 fixedly connected to the surface of the lower mold base 101, a guide rod 203 slidably connected to the surface of the base 201, a float plate 204 fixedly connected to the end of the guide rod 203 away from the base 201, a first spring 205 fixedly connected between the float plate 204 and the base 201, a trigger assembly 206 fixedly connected to the surface of the float plate 204, and a locking assembly 207 fixedly connected to the surface of the trigger assembly 206. The trigger structure 200, through the cooperation of the float plate 204 and the limiting post 202, maintains a stable support plane during the sheet material conveying process, effectively preventing the sheet material from warping and deforming, and at the same time converts the sheet material movement into a mechanical trigger signal.

[0038] The demolding structure 300 includes a support rod 301 fixedly connected to the surface of the trigger component 206, a first rotating wheel 302 fixedly connected to the surface of the support rod 301, a groove 304 formed on the surface of the lower mold base 101, a support rod 303 fixedly connected to the surface of the first rotating wheel 302, a cleaning component 305 fixedly connected to the surface of the first rotating wheel 302 and located on the side of the mold cavity 501, and an auxiliary component 306 fixedly connected to the surface of the support rod 303 and located on the side of the cleaning component 305. The demolding structure 300, through the first rotating wheel 302 driving the cleaning component 305 and the auxiliary component 306 to work together, automatically performs cleaning of the mold cavity 501 and assists in demolding when the mold is opened, solving the problems of residual material adhesion and vacuum adsorption.

[0039] The triggering assembly 206 includes a first toothed plate 2061 fixedly connected to the surface of the float plate 204, a support plate 2062 fixedly connected to the surface of the base 201, a spur gear 2063 meshing with the surface of the first toothed plate 2061, and a drive shaft 2064 meshing with the surface of the spur gear 2063. The drive shaft 2064 is rotatably connected to the surface of the support plate 2062. The triggering assembly 206 employs a gear transmission and a bevel gear steering mechanism to convert the linear motion of the float plate 204 into the unidirectional rotation of the ratchet 2069, thereby achieving reliable transmission and conversion of mechanical energy.

[0040] The transmission shaft 2064 has a first bevel gear 2065 fixedly connected to one end, a second bevel gear 2066 meshing with the surface of the first bevel gear 2065, a connecting shaft 2067 fixedly connected to the surface of the second bevel gear 2066, a pawl 2068 fixedly connected to the surface of the connecting shaft 2067, and a ratchet 2069 rotatably connected to the surface of the pawl 2068. This design achieves power direction conversion and reliable energy storage within a compact space, providing a stable and controllable power source for the mold release system.

[0041] The base 201 has a first mainspring barrel 2092 fixedly connected to its surface, a first mainspring 2093 fixedly connected to its surface, a first rotating shaft 2091 fixedly connected to its surface, a ratchet 2069 fixedly connected to its surface, and a connecting shaft 2067 rotatably connected to its surface. A limit post 202 is fixedly connected to the base 201 directly below the float plate 204. The mainspring barrel mechanism achieves unidirectional energy storage through the cooperation of the ratchet 2069 and pawl 2068, while the limit post 202 ensures the controllability of the float plate 204's movement range, together forming a stable energy harvesting and storage system.

[0042] During use, when the metal sheet is fed into the mold and covers the surface of the float plate 204, the weight of the sheet and the feeding force work together to press down the float plate 204, causing the float plate 204 to move downward along the guide rod 203 against the elastic force of the first spring 205 until the bottom of the float plate 204 contacts the upper end face of the limit post 202. At this time, the upper surface of the float plate 204 is exactly flush with the highest point of the mold cavity 501, forming a continuous support plane, which effectively prevents the sheet from warping or deforming during the feeding process. Directly below the floating material plate 204, limit posts 202 are fixedly connected to both ends of the base 201 surface, setting the limit position for the vertical downward movement of the floating material plate 204. The limit posts 202 are strictly set at the position where the upper surface of the floating material plate 204 is exactly at the same level as the highest point of the lower mold cavity 501 contour, thus forming a seamless continuous reference plane. This means that when the sheet material covers the floating material plate 204 and is pressed down to the limit position, the sheet material can smoothly transition to the mold cavity 501 area, fundamentally eliminating the risk of sheet material warping, jamming, or deformation caused by the height difference between the bottom surface of the guide groove and the entrance of the mold cavity 501.

[0043] In the initial no-load state, the floating plate 204, supported by the first spring 205, has a surface suspension height higher than the highest point of the mold cavity 501. This provides a guiding slope for the feeding of the sheet metal, ensuring smooth and unobstructed feeding. The stable support allows the sheet metal to be evenly stressed during stamping, significantly reducing the adhesion of residual material caused by irregular material extrusion. At the same time, the flat sheet metal condition ensures more uniform contact between the workpiece and the wall of the mold cavity 501 after stamping, effectively disrupting the conditions for the formation of a completely sealed vacuum environment and greatly reducing the intensity of the local vacuum adsorption effect. In addition, due to the reduction in the amount of residual material and the improvement in the uniformity of its distribution, the time for the surface of the mold cavity 501 to remain clean is extended, further weakening the obstruction effect of residual material particles on the movement trajectory of the ejector pin 502 and ensuring the smooth lifting and lowering of the ejector pin 502 system.

[0044] When the float plate 204 moves downward, it drives the first toothed plate 2061 fixed on its surface to descend synchronously. The first toothed plate 2061 drives the spur gear 2063 meshing with it to rotate. The spur gear 2063 drives the first bevel gear 2065 to rotate through the transmission shaft 2064. The first bevel gear 2065 meshes with the second bevel gear 2066 to convert the power direction into rotational motion in the vertical plane. The second bevel gear 2066 drives the pawl 2068 to swing through the connecting shaft 2067. Under the action of the spring, the pawl 2068 is embedded in the rear side of the tooth groove of the ratchet 2069 and drags the ratchet 2069 to rotate, thereby converting the kinetic energy of the sheet material movement into mechanical energy. The rotation of the ratchet 2069 drives the first rotating shaft 2091 to rotate. The first rotating shaft 2091 drives the first mainspring 2093 in the first mainspring box 2092 to gradually wind up, storing the mechanical energy in the form of elastic potential energy. At the same time, the connecting shaft 2067 maintains stable rotation under the support of the first mainspring box 2092.

[0045] After the sheet material moves out of the area of ​​the float plate 204, the elastic force of the first spring 205 pushes the float plate 204 back to its initial position. At this time, the pawl 2068 slides over the back of the ratchet 2069 teeth and is ready for the next engagement under the action of the first spring 205. When the ratchet 2069 stops rotating, the pawl 2068 engages on the surface of the ratchet 2069. Because the ratchet 2069 has a tendency to reverse under the torque of the first spring 2093, it is immediately stopped by the one-way locking mechanism of the pawl 2068, thus ensuring that the stored energy is not released. During the entire energy storage process, the limit The positioning post 202 not only limits the sinking limit of the floating plate 204, but also ensures the continuity of the feeding plane by aligning with the highest point of the mold cavity 501. The coordinated work of the transmission mechanism composed of the first spring box 2092, the first bevel gear 2065, the second bevel gear 2066, the pawl 2068, and the ratchet 2069 realizes the conversion of the continuous sheet metal feeding action into stable and controllable mechanical potential energy storage, providing a continuous and precise power source for the subsequent triggering of the demolding structure 300. This process completes one working cycle, successfully capturing and storing the energy from the sheet metal movement.

[0046] Example 2, refer to Figure 1 - Figure 10This is the second embodiment of the present invention. This embodiment differs from the first embodiment in that the locking assembly 207 includes a first fixing plate 2071 fixedly connected to the surface of the support plate 2062, a second toothed plate 2072 slidably connected to the surface of the first fixing plate 2071 and meshing with a spur gear 2063, a double-headed pressure plate 2074 rotatably connected to one end of the second toothed plate 2072 via a pin 2073, a fulcrum shaft 2076 movably connected to the surface of the double-headed pressure plate 2074, and support seats 2075 movably connected to both ends of the fulcrum shaft 2076. One end of the support seat 2075 is fixedly connected to the surface of the base 201. A cylindrical pin 2078 is movably connected to one end of the double-headed pressure plate 2074. A trapezoidal block 2077 is rotatably connected to both ends of the cylindrical pin 2078. An extension rod 2079 is fixedly connected to the surface of the trapezoidal block 2077, and a telescopic cylinder 2080 is slidably connected to the surface of the extension rod 2079. The locking assembly 207 achieves bidirectional motion conversion through the meshing of the second toothed plate 2072 and the spur gear 2063. By utilizing the lever action of the double-headed pressure plate 2074 and the lifting control of the ladder block 2077, it completes the rigid mechanical locking and unlocking of the ratchet 2069 mechanism, ensuring the stability and reliability of the energy storage state.

[0047] Compared to Embodiment 1, the support plate 2062 is further provided with a second fixing plate 2081 fixedly connected to its surface, a push-pull rod 2082 slidably connected to its surface, a conical block 2084 fixedly connected to one end of the push-pull rod 2082, an L-shaped locking rod 2086 fixedly connected to the other end of the push-pull rod 2082, a roller 2085 rotatably connected to the surface of the conical block 2084, a compression spring 2083 fixed between the conical block 2084 and the second fixing plate 2081, a groove 2088 formed on the surface of the L-shaped locking rod 2086, a slide rod 2087 slidably connected to the surface of the groove 2088, and a locking block 2089 slidably connected to the surface of the L-shaped locking rod 2086. The push-pull rod 2082 and the cone block 2084 mechanism provide continuous pressure through the compression spring 2083. With the guidance of the slide groove 2088 of the L-shaped locking rod 2086 and the locking action of the locking block 2089, the automatic unlocking function is realized in conjunction with the opening and closing action of the mold, ensuring the accuracy of the energy release timing.

[0048] Furthermore, the cleaning component 305 includes a support column 3051 fixedly connected to the surface of the dark groove 304, a second rotating wheel 3052 rotatably connected to the surface of the support column 3051, a third fixing plate 3054 fixedly connected to the surface of the dark groove 304, a rail rod 3055 slidably connected to the surface of the third fixing plate 3054, a cable 3053 fixedly connected to one end of the rail rod 3055 and slidably connected to the surface of the second rotating wheel 3052, the cable 3053 being fixed to the surface of the first rotating wheel 302, an adsorption base 3056 fixedly connected to one end of the rail rod 3055 and located on the side of the mold cavity 501, and an elastic rope 3057 fixedly connected between the adsorption base 3056 and the dark groove 304. The rotational motion of the first rotating wheel 302 is converted into the linear reciprocating motion of the rail rod 3055 through the transmission of the cable 3053, which drives the adsorption base 3056 to perform contact cleaning on the surface of the mold cavity 501. The elastic rope 3057 provides constant adhesion pressure to effectively remove stamping residue.

[0049] During use, when the metal sheet is pushed by the feeding mechanism to cover the surface of the floating plate 204, the sheet pressure forces the floating plate 204 to move downwards along the guide rod 203. The downward movement of the floating plate 204 causes the first toothed plate 2061 fixed to the surface of the floating plate 204 to move downwards synchronously. The linear motion of the first toothed plate 2061 drives the sprocket 2063 meshing with it to rotate clockwise. The rotational motion of the sprocket 2063 is transmitted in two directions simultaneously: on the one hand, the sprocket 2063 drives the bevel gear set through the transmission shaft 2064, which in turn drives the ratchet 2069 mechanism to operate, causing the first toothed plate to rotate clockwise. The first spring 2093 inside the barrel 2092 is wound up to store energy. On the other hand, the sprocket 2063 drives the second toothed plate 2072, which meshes with it, to slide upward on the surface of the first fixed plate 2071. The second toothed plate 2072 and the first toothed plate 2061 form a linkage relationship with opposite directions of movement under the drive of the sprocket 2063. The upward movement of the second toothed plate 2072 pushes the long arm end of the double-headed pressure plate 2074 through the pin 2073, forcing the double-headed pressure plate 2074 to rotate counterclockwise around the fulcrum shaft 2076. The fulcrum shaft 2076 is stably supported by the support seats 2075 at both ends.

[0050] The rotational motion of the double-headed pressure plate 2074 pushes the trapezoidal block 2077 downward through the cylindrical pin 2078 at the short arm end. The trapezoidal block 2077 drives the extension rod 2079 to retract downward within the telescopic cylinder 2080. As the trapezoidal block 2077 moves downward, the push-pull rod 2082 extends towards the trapezoidal block. The locking block 2089 at one end of the L-shaped locking rod 2086 slides guided by the slide groove 2088. The locking block 2089 disengages from the surface of the ratchet 2069 and unlocks. At this time, the ratchet 2069 mechanism is in an unlocked state, and the first spring box 2092 can smoothly store energy. When the plate moves out of the area of ​​the float plate 204, the float plate 204 is activated by the first spring 205. Under the action of restoring force, the float plate 204 rises and drives the first toothed plate 2061 to move upward. The first toothed plate 2061 drives the sprocket 2063 to rotate counterclockwise. The counterclockwise rotation of the sprocket 2063 drives the second toothed plate 2072 to move downward. During the rising process of the float plate 204, before the locking block 2089 is fully inserted into the locking position of the ratchet 2069, the pawl 2068 has prevented the ratchet 2069 from reversing through the one-way locking mechanism, ensuring that the elastic potential energy stored in the first spring 2093 is not released. When the locking block 2089 is fully in place, the ratchet 2069 is rigidly locked, and the energy is retained until it is released when the cleaning process is triggered. The revised design clarifies the continuity of energy storage. The second toothed plate 2072 pulls the long arm end of the double-headed pressure plate 2074 via the pin 2073, causing the double-headed pressure plate 2074 to rotate clockwise around the fulcrum axis 2076. The rotation of the double-headed pressure plate 2074 pulls the trapezoidal block 2077 upward through the cylindrical pin 2078 at the short arm end. The trapezoidal block 2077 pushes the extension rod 2079 to extend upward within the telescopic cylinder 2080. During the ascent of the trapezoidal block 2077, the inclined surface at the upper end of the trapezoidal block 2077... The cone-shaped block 2084 contacts and compresses, and moves to the right under the compression of the trapezoidal block 2077. The cone-shaped block 2084 drives the push-pull rod 2082 to compress the spring 2083. The L-shaped locking rod 2086 at the end of the push-pull rod 2082 moves to the right. The sliding groove 2088 on the surface of the L-shaped locking rod 2086 slides along the guide of the sliding rod 2087, which drives the locking block 2089 to move towards the ratchet 2069. The locking block 2089 finally gets into the groove of the ratchet 2069 and locks.

[0051] Meanwhile, the front end of the extension rod 2079 has entered the tooth gap of the ratchet 2069, forming a rigid constraint. At this point, the ratchet 2069 mechanism is completely locked, and the energy storage process ends. When the stamping is completed and the upper die begins to rise, the inclined block fixed to the upper die rises with the upper die and contacts the roller 2085 on the surface of the conical block 2084. The continuous compression of the roller 2085 by the inclined block forces the conical block 2084 to move further to the right. The conical block 2084 drives the push-pull rod 2082 to continue compressing the compression spring 2083. The L-shaped locking rod 2086 moves to the right synchronously with the push-pull rod 2082, and the locking block 2089 disengages from the slot of the trapezoidal block 2077. After the trapezoidal block 2077 loses the constraint of the locking block 2089, the system's built-in reset mechanism... Under the action of the mechanism, the trapezoidal block 2077 moves rapidly downward, and the extension rod 2079 quickly exits from the tooth gap of the ratchet 2069. The mechanical interlock of the ratchet 2069 mechanism is completely released, and the energy stored in the first spring box 2092 is released instantly. The released energy drives the first rotating shaft 2091 to rotate at high speed. The first rotating shaft 2091 drives the first rotating wheel 302 to rotate through the support rod 301. The cable 3053 wound around the first rotating wheel 302 is tightened accordingly. After the cable 3053 changes direction by passing around the second rotating wheel 3052, the traction rail 3055 slides along the guide surface of the third fixed plate 3054 towards the mold cavity 501. The adsorption base 3056 fixed to the end of the rail 3055 extends smoothly from the dark groove 304.

[0052] The adsorption base 3056 moves closely against the side wall of the mold cavity 501 under the pretension of the elastic rope 3057. The surface of the adsorption base 3056 is covered with magnetic material or high-viscosity polymer material, such as a silicon-based adhesive layer. It effectively collects metal chips and residual waste generated during the stamping process through physical adsorption. The adsorption base 3056 extends from the dark groove 304 through the rail 3055 and directly contacts the surface of the mold cavity 501. The dark groove 304 has an opening on the side of the mold cavity 501 to ensure that the adsorption base 3056 can directly clean the surface of the mold cavity without affecting the molding effect. After the cleaning operation is completed, the energy of the first spring box 2092 is released. The restoring force of the elastic rope 3057 pulls the adsorption base 3056 back to the dark groove 304 with the collected residue. The mechanical cleaning process is executed immediately when the mold is opened, and the cleaning operation is completed before the residue is firmly adhered, which significantly reduces the accumulation of contaminants on the surface of the mold cavity 501. The timely action of the cleaning mechanism also disrupts any potential sealed space between the workpiece and the mold cavity 501, fundamentally preventing the formation of a local vacuum. The entire locking assembly 207 returns to its initial state under the reset action of the compression spring 2083; the second toothed plate 2072 and the double-headed pressure plate 2074 return to their original positions; the extension rod 2079 retracts; and the locking block 2089 re-enters its standby position, preparing the system for the next work cycle.

[0053] The remaining structure is the same as that in Example 1.

[0054] Example 3, referring to Figure 1 - Figure 13 This is the third embodiment of the present invention, which differs from the second embodiment in that: the auxiliary component 306 includes a connecting rope 3061 fixedly connected to the surface of the support rod 303, a second rotating shaft 3062 fixedly connected to the surface of the connecting rope 3061, a second mainspring 3064 fixedly connected to the surface of the second rotating shaft 3062, a second mainspring box 3063 fixedly connected to the end of the second mainspring 3064 away from the second rotating shaft 3062, the second mainspring box 3063 fixedly connected to the surface of the lower die base 101, a rotating plate 3065 fixedly connected to the surface of the second rotating shaft 3062, a transmission plate 3066 rotatably connected to the surface of the rotating plate 3065, and a telescopic rod 3068 rotatably connected to the surface of the transmission plate 3066. The auxiliary component 306 realizes secondary energy storage and motion form conversion, converting rotational power into linear reciprocating motion.

[0055] Compared to Embodiment 2, further, a cylinder 3067 is fixedly connected to the surface of the base 201. An air inlet 3070 is provided on the surface of the cylinder 3067, a piston plate 3069 is slidably connected to the surface of the cylinder 3067, a telescopic rod 3068 is fixedly connected to the surface of the piston plate 3069, and an air outlet 3071 is provided on the surface of the cylinder 3067. An air supply pipe 3072 located on the side of the mold cavity 501 is fixedly connected to the surface of the air outlet 3071. The cylinder 3067 generates a high-pressure airflow by compressing gas through the piston, achieving non-contact cleaning of the mold cavity 501.

[0056] Furthermore, a seat groove 1011 is provided on the surface of the lower mold base 101, an ejector rod 502 is slidably connected to the surface of the mold cavity 501, a base plate 102 is fixedly connected to the surface of the lower mold base 101, a buffer pillar 103 is fixedly connected to the surface of the base plate 102, a top cover 104 is fixedly connected to the surface of the buffer pillar 103, a connecting pillar 401 is fixedly connected to the surface of the top cover 104, an upper mold base 402 is slidably connected to the surface of the connecting pillar 401, and a punch 403 is slidably connected to the surface of the upper mold base 402. The base plate 102 provides stable support for the entire system. The buffer column 103 fixedly connected to the surface of the base plate 102 absorbs vibration energy during the stamping process. The top cover 104 fixedly connected to the surface of the buffer column 103 provides guidance for the movement of the upper mold. The connecting column 401 fixedly connected to the surface of the top cover 104 forms a sliding fit with the upper mold base 402. The punch 403 slidably connected to the surface of the upper mold base 402 completes the forming process of the sheet metal during the stamping process. After the forming is completed, the ejector rod 502 slidably connected to the surface of the mold cavity 501 moves upward under the action of the reset mechanism, smoothly ejecting the formed workpiece from the mold cavity 501 and completing the demolding action. The working principle of this part is the prior art, which can be clearly understood by those skilled in the art, and will not be described in detail here.

[0057] During use, when the first rotating shaft 2091 starts to rotate under the energy drive of the mainspring barrel, the support rod 301 fixedly connected to the surface of the first rotating shaft 2091 rotates accordingly. The support rod 301 drives the first rotating wheel 302 to rotate around the axis. The first rotating wheel 302 pulls the connecting rope 3061 to generate displacement through the support rod 303 fixedly connected to the surface. The linear motion of the connecting rope 3061 drives the second rotating shaft 3062 to generate rotational motion in the second mainspring barrel 3063. The rotation of the second rotating shaft 3062 causes the second mainspring 3064 fixedly connected to the surface of the second rotating shaft 3062 to gradually wind up, storing mechanical energy in the form of elastic potential energy inside the second mainspring 3064. At the same time, the rotation of the second rotating shaft 3062 causes the rotating plate 3065 fixedly connected to the surface of the second rotating shaft 3062 to generate oscillating motion.

[0058] The oscillation of the rotating plate 3065 converts circular motion into linear motion through the transmission plate 3066 rotatably connected to the surface of the rotating plate 3065. The transmission plate 3066 pushes the telescopic rod 3068 rotatably connected to the surface of the transmission plate 3066 to reciprocate inside the cylinder 3067. The movement of the telescopic rod 3068 drives the piston plate 3069, which is fixedly connected to the end of the telescopic rod 3068, to slide inside the cylinder 3067. When the piston plate 3069 moves into the cylinder 3067, the volume of the cylinder 3067 decreases, and external air enters the cylinder 3067 through the air inlet 3070 on the surface of the cylinder 3067. When the piston plate 3069 moves in the opposite direction, the piston plate 3069 compresses the air inside the cylinder 3067 to form high pressure. High-pressure airflow enters the air supply pipe 3072, which is fixedly connected to the surface of the air outlet 3071, through the air outlet 3071 on the surface of the cylinder 3067. The air supply pipe 3072 guides the high-pressure airflow to a designated position on the side of the mold cavity 501. The high-speed airflow thoroughly cleans the surface of the mold cavity 501, removing residual fine dust and debris. With the help of the cleaning component 305 driven by the cable 3053 and the pneumatic cleaning system driven by the spring, the dual cleaning of mechanical scraping and airflow blowing is completed in sequence. Finally, after the high-pressure airflow breaks the vacuum adsorption effect, the ejector rod 502 completes the smooth demolding, solving the problems of vacuum adsorption, residual material adhesion and demolding difficulties, and significantly improving the continuity, stability and production efficiency of mold operation.

[0059] The remaining structure is the same as that in Example 2.

[0060] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all such modifications or substitutions should be covered within the scope of the claims of the present invention.

Claims

1. A stamping die that facilitates demolding, comprising a lower die base (101) and a die cavity (501) formed on the surface of the lower die base (101), characterized in that: Also includes: The triggering structure (200) includes a base (201) fixedly connected to the surface of the lower mold base (101), a guide rod (203) slidably connected to the surface of the base (201), a float plate (204) fixedly connected to one end of the guide rod (203) away from the base (201), a first spring (205) fixedly connected between the float plate (204) and the base (201), a triggering assembly (206) fixedly connected to the surface of the float plate (204), and a locking assembly (207) fixedly connected to the surface of the triggering assembly (206). The demolding structure (300) includes a support rod (301) fixedly connected to the surface of the trigger component (206), a first rotating wheel (302) fixedly connected to the surface of the support rod (301), a groove (304) formed on the surface of the lower mold base (101), a support rod (303) fixedly connected to the surface of the first rotating wheel (302), a cleaning component (305) fixedly connected to the surface of the first rotating wheel (302) and located on the side of the mold cavity (501), and an auxiliary component (306) fixedly connected to the surface of the support rod (303) and located on the side of the cleaning component (305).

2. The stamping die for easy demolding according to claim 1, characterized in that: The triggering component (206) includes a first toothed plate (2061) fixedly connected to the surface of the float plate (204), a support plate (2062) fixedly connected to the surface of the base (201), a spur gear (2063) meshing with the surface of the first toothed plate (2061), and a drive shaft (2064) meshing with the surface of the spur gear (2063). The drive shaft (2064) is rotatably connected to the surface of the support plate (2062).

3. The stamping die for easy demolding according to claim 2, characterized in that: The locking assembly (207) includes a first fixed plate (2071) fixedly connected to the surface of the support plate (2062), a second toothed plate (2072) slidably connected to the surface of the first fixed plate (2071) and meshing with the spur gear (2063), a double-headed pressure plate (2074) rotatably connected to one end of the second toothed plate (2072) via a pin (2073), a fulcrum shaft (2076) movably connected to the surface of the double-headed pressure plate (2074), and a movable connecting... Support seats (2075) are attached to both ends of the pivot shaft (2076). One end of the support seat (2075) is fixedly connected to the surface of the base (201). One end of the double-headed pressure plate (2074) is movably connected to a cylindrical pin (2078). Both ends of the cylindrical pin (2078) are rotatably connected to a trapezoidal block (2077). An extension rod (2079) is fixedly connected to the surface of the trapezoidal block (2077). A telescopic cylinder (2080) is slidably connected to the surface of the extension rod (2079).

4. The stamping die for easy demolding according to claim 3, characterized in that: The cleaning assembly (305) includes a support column (3051) fixedly connected to the surface of the dark groove (304), a second rotating wheel (3052) rotatably connected to the surface of the support column (3051), a third fixing plate (3054) fixedly connected to the surface of the dark groove (304), a rail rod (3055) slidably connected to the surface of the third fixing plate (3054), a cable (3053) fixedly connected to one end of the rail rod (3055) and slidably connected to the surface of the second rotating wheel (3052), the cable (3053) being fixed to the surface of the first rotating wheel (302), an adsorption base (3056) fixedly connected to one end of the rail rod (3055) and located on the side of the mold cavity (501), and an elastic rope (3057) fixedly connected between the adsorption base (3056) and the dark groove (304).

5. The stamping die for easy demolding according to claim 2, characterized in that: The auxiliary component (306) includes a connecting rope (3061) fixedly connected to the surface of the support rod (303), a second rotating shaft (3062) fixedly connected to the surface of the connecting rope (3061), a second mainspring (3064) fixedly connected to the surface of the second rotating shaft (3062), a second mainspring box (3063) fixedly connected to one end of the second mainspring (3064) away from the second rotating shaft (3062), the second mainspring box (3063) fixedly connected to the surface of the lower die base (101), a rotating plate (3065) fixedly connected to the surface of the second rotating shaft (3062), a transmission plate (3066) rotatably connected to the surface of the rotating plate (3065), and a telescopic rod (3068) rotatably connected to the surface of the transmission plate (3066).

6. The stamping die for easy demolding according to claim 2, characterized in that: One end of the drive shaft (2064) is fixedly connected to a first bevel gear (2065), the surface of the first bevel gear (2065) is meshed with a second bevel gear (2066), the surface of the second bevel gear (2066) is fixedly connected to a connecting shaft (2067), the surface of the connecting shaft (2067) is fixedly connected to a pawl (2068), and the surface of the pawl (2068) is rotatably connected to a ratchet (2069).

7. The stamping die for easy demolding according to claim 6, characterized in that: A first mainspring barrel (2092) is fixedly connected to the surface of the base (201), a first mainspring (2093) is fixedly connected to the surface of the first mainspring barrel (2092), a first rotating shaft (2091) is fixedly connected to the surface of the first mainspring (2093), a ratchet (2069) is fixedly connected to the surface of the first rotating shaft (2091), and a connecting shaft (2067) is rotatably connected to the surface of the first mainspring barrel (2092). A limiting post (202) is fixedly connected to the surface of the base (201) and directly below the float plate (204).

8. The stamping die for easy demolding according to claim 2, characterized in that: A second fixing plate (2081) is fixedly connected to the surface of the support plate (2062). A push-pull rod (2082) is slidably connected to the surface of the second fixing plate (2081). A cone-shaped block (2084) is fixedly connected to one end of the push-pull rod (2082). An L-shaped locking rod (2086) is fixedly connected to the other end of the push-pull rod (2082). A roller (2085) is rotatably connected to the surface of the cone-shaped block (2084). A compression spring (2083) is fixed between the cone-shaped block (2084) and the second fixing plate (2081). A sliding groove (2088) is opened on the surface of the L-shaped locking rod (2086). A sliding rod (2087) is slidably connected to the surface of the sliding groove (2088). A locking block (2089) is slidably connected to the surface of the L-shaped locking rod (2086).

9. The stamping die for easy demolding according to claim 5, characterized in that: A cylinder (3067) is fixedly connected to the surface of the base (201). An air inlet (3070) is provided on the surface of the cylinder (3067). A piston plate (3069) is slidably connected to the surface of the cylinder (3067). A telescopic rod (3068) is fixedly connected to the surface of the piston plate (3069). An air outlet (3071) is provided on the surface of the cylinder (3067). An air supply pipe (3072) located on the side of the mold cavity (501) is fixedly connected to the surface of the air outlet (3071).

10. The stamping die for easy demolding according to claim 1, characterized in that: The lower mold base (101) has a seat groove (1011) on its surface. The mold cavity (501) is slidably connected to a push rod (502). The lower mold base (101) is fixedly connected to a base plate (102). The base plate (102) is fixedly connected to a buffer column (103). The buffer column (103) is fixedly connected to a top cover (104). The top cover (104) is fixedly connected to a connecting column (401). The connecting column (401) is slidably connected to an upper mold base (402). The upper mold base (402) is slidably connected to a punch (403).

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