Punching die with positioning structure

Abstract

The present application provides a punch die with positioning structure, relates to punch die technical field, and includes lower die frame, lower die fixed base, upper die frame and lower support rod, the lower die frame center is matched with rotating shaft and lower die fixed base rotating connection, the upper die frame is arranged above the lower die frame, the lower support rod is vertically slid in the middle part of the lower die fixed base, the outer connecting rod is rotated with rotating shaft cooperation in the middle part outside of the lower die frame, the positioning slide rod is fixed on one side of the lower die frame symmetrically, the outer lifting platform is vertically slid on the top of the lower die frame, the lower die is fixed on the top center of the lower die frame, and the lower support spring is fixed between the lower die frame and the outer lifting platform. The lower die frame, the lower die and the outer lifting platform are inclined to one side synchronously, the guide part is slid to the lower side after the lower die and the outer lifting platform are inclined, the problem that the compressed gas blows away the parts, which causes the parts to still be on the die, and the die is stuck if the die falls is solved.

Description

Technical Field

[0001] This invention relates to the field of punch press die technology, and more particularly to a punch press die with a positioning structure. Background Technology

[0002] In the manufacturing of aircraft and other spacecraft, the development of unmanned spacecraft is becoming increasingly rapid, and the competition in unmanned spacecraft is becoming increasingly fierce. Spacecraft are composed of parts, and in order to reduce the price of spacecraft parts, a large number of parts will be mass-produced using punching dies.

[0003] In the stamping production process of spacecraft parts, the stamped parts still need to be manually removed by personnel. Manual removal by personnel is dangerous and increases the stamping interval. If compressed gas is used to eject the parts, the stamping die is horizontal. For parts with a certain weight, the compressed gas may not be able to blow them away or require a high wind speed. It is also easy for the compressed gas to blow the parts off-center, causing the parts to remain on the die. If the die falls, it will cause the die to jam, resulting in unstable use. Summary of the Invention

[0004] This disclosure relates to a punch die with a positioning structure. The upper die piece pulls one side of the lower die frame upward through the lower connecting frame and the outer connecting rod. The lower die frame, the lower die piece, and the outer lifting platform tilt to one side synchronously. After the lower die piece and the outer lifting platform tilt, the guide component slides out to the lower side, eliminating the need for manual removal of the component. At the same time, the part moves along the inclined plane, making it less prone to deviation. During the closing process of the upper and lower die pieces, the tail synchronous rack and the outer synchronous rack move in opposite directions through the inter-gear. The lower support rod and the side support rotating frame move closer to the bottom of the lower die frame. When the upper and lower die pieces are closed, the lower support rod and the side support rotating frame support the suspended side of the lower die frame, dispersing the force on the lower die frame during punching and improving the stability of the lower die frame during punching.

[0005] In a first aspect, this disclosure provides a punching die with a positioning structure, specifically including: a lower die holder, a lower die fixing seat, an upper die holder, and a lower support rod. The lower die holder is rotatably connected to the lower die fixing seat via a central rotating shaft. The upper die holder is disposed above the lower die holder. A lower support rod slides vertically in the middle of the lower die fixing seat. An outer connecting rod rotates in conjunction with a rotating shaft on the outer side of the middle of the lower die holder. Positioning slide rods are symmetrically fixed on one side of the lower die holder. An outer lifting platform slides vertically on the top of the lower die holder. A lower die piece is fixed at the center of the top of the lower die holder. A lower support spring is fixed between the lower die holder and the outer lifting platform.

[0006] In at least some embodiments, the positioning slide rod and the outer lifting platform are slidably connected through each other, the positioning slide rod and the upper mold frame are slidably connected through each other, the lower support spring supports the outer lifting platform to move upward, the top surface of the outer lifting platform and the top surface of the lower mold part are kept flush, the upward movement of the outer lifting platform ensures that the part is on the top of the lower mold part, avoids the part from getting stuck on the outside of the lower mold part, and the upward movement of the outer lifting platform pushes the part to a reasonable position at the top.

[0007] In at least some embodiments, there are inter-gears rotating on both sides of the lower mold fixing seat, the top surface of the lower mold fixing seat is in contact with the bottom surface of the horizontal lower mold frame, the inter-gears are located on the outer side of the lower mold frame, and the tail synchronizing rack and the outer synchronizing rack move in opposite directions through the inter-gears.

[0008] In at least some embodiments, a side sliding tube is fixed to one side of the upper mold frame, and a lower connecting frame is slidably connected to the side sliding tube. A lower positioning ring frame is vertically slidable at the bottom of the upper mold frame. The upper crossbar of the lower positioning ring frame is fixedly connected to the middle ejector column. An upper mold component is opened at the bottom of the upper mold frame. External synchronous racks are fixed on both sides of the upper mold frame. The external synchronous racks drive the tail synchronous rack to move upward through the inter-gear. A middle support spring is fixed between the middle ejector column and the upper mold frame.

[0009] In at least some embodiments, the middle ejector column and the upper mold frame are slidably connected, the lower end of the middle ejector column extends through to the inner side of the upper mold part, the lower positioning ring frame is located on the outer side of the upper mold part, the lower end of the lower connecting frame is rotatably connected to the outer connecting rod, the middle support spring supports the middle ejector column and the lower positioning ring frame to move down synchronously, the lower positioning ring frame moves down in advance to perform a positioning operation of pre-pressing the lower part that needs to be stamped, and the middle support spring supports the lower positioning ring frame and the middle ejector column to move down.

[0010] In at least some embodiments, side synchronous support rods are fixed on both sides of the lower support rod, the side synchronous support rods and the tail slide grooves of the side support frame are slidably connected, and the tail end of the side synchronous support rods is fixed with a tail synchronous rack.

[0011] In at least some embodiments, the two sides of the inter-gear are respectively meshed with a tail synchronizing rack and an outer synchronizing rack, the tail synchronizing rack and the outer synchronizing rack move in opposite directions, the first end of the side support rotating frame is rotatably connected to the lower mold frame, when the upper mold and the lower mold are in contact, the lower mold frame remains horizontal, the top of the lower support rod is in contact with the bottom of the lower mold frame, the upper part of the side support rotating frame is in contact with the bottom of the lower mold frame, and the lower support rod is synchronously in contact and support when the lower mold frame is tilted.

[0012] In at least some embodiments, when the upper mold and the lower mold move and separate, the lower support rod and the side synchronous support rod move downward away from the lower mold frame, and the lower mold frame tilts and rotates downward about the side of the lower support rod around the rotation axis of the center and the lower mold fixing seat.

[0013] This invention provides a punching die with a positioning structure, which has the following beneficial effects:

[0014] After the upper and lower dies are closed during stamping, they separate and move. During the upward movement of the upper die, the lower positioning ring and the middle ejector pin move downward. The middle ejector pin protrudes into the interior of the upper die to push out any remaining parts from the upper die downward. The outer lifting platform moves up to be flush with the lower die. The outer lifting platform ensures that the parts are on top of the lower die and in a reasonable position, preventing parts from getting stuck on the outside of the lower die and reducing the difficulty of removing parts after stamping.

[0015] The upper mold piece pulls one side of the lower mold frame upward through the lower connecting frame and the outer connecting rod. The lower mold frame, the lower mold piece, and the outer lifting platform tilt to one side synchronously. After the lower mold piece and the outer lifting platform tilt, the guide component slides out to the lower side, eliminating the need for manual removal of the component. At the same time, the part moves along the inclined plane, making it less likely to deviate.

[0016] During the closing process of the upper and lower mold parts, the tail synchronous rack and the outer synchronous rack move in opposite directions through the inter-gear. The lower support rod and the side support rotating frame move closer to the bottom of the lower mold frame. When the upper and lower mold parts are closed, the lower support rod and the side support rotating frame support the suspended side of the lower mold frame, disperse the force on the lower mold frame during stamping, and improve the stability of the lower mold frame during stamping.

[0017] During the separation of the upper and lower mold parts, the lower mold frame tilts, and the lower support rod and the side support rotating frame move downwards and away simultaneously to make room for the lower mold frame to rotate on the downward tilting side. The lower support rod provides support while the lower mold frame tilts, reducing the possibility of deformation of the lower mold frame. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings of the embodiments will be briefly described below.

[0019] The accompanying drawings described below are only related to some embodiments of the invention and are not intended to limit the invention.

[0020] In the attached diagram:

[0021] Figure 1 A schematic diagram of the overall structure of this application is shown;

[0022] Figure 2 This invention presents a schematic diagram of the lower mold frame in a horizontal state.

[0023] Figure 3 A schematic diagram of the lower mold frame structure of this application is shown;

[0024] Figure 4 This invention shows a structural schematic diagram of the ejector pin protruding from the upper mold part when it is lowered;

[0025] Figure 5 A structural schematic diagram of the cross-section of the upper mold frame of this application is shown;

[0026] Figure 6 A schematic diagram of the lower support rod of this application is shown;

[0027] Figure 7 A schematic diagram of the tail synchronization rack structure of this application is shown;

[0028] Figure 8 A schematic diagram of the structure in the split state of this application is shown;

[0029] List of reference numerals

[0030] 1. Lower mold frame; 101. External connecting rod; 102. Positioning slide rod; 103. External lifting platform; 104. Lower mold part; 105. Lower support spring;

[0031] 2. Lower mold fixing base; 201. Interval gear;

[0032] 3. Upper mold frame; 301. Side slide tube; 302. Lower connecting frame; 303. Lower positioning ring frame; 304. Central ejector pin; 305. Upper mold component; 306. External synchronous rack; 307. Central support spring;

[0033] 4. Lower support rod; 401. Side synchronous support rod; 402. Tail synchronous rack; 403. Side support swivel frame. Detailed Implementation

[0034] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the described embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0035] Example 1: Please refer to Figures 1 to 8 :

[0036] This invention proposes a punch press die with a positioning structure, comprising: a lower die holder 1, a lower die fixing seat 2, an upper die holder 3, and a lower support rod 4. An outer connecting rod 101 is rotatably connected to the outer side of the middle portion of the lower die holder 1 via a rotating shaft. Positioning slide rods 102 are symmetrically fixed on one side of the lower die holder 1. An outer lifting platform 103 slides vertically along slide tubes at the four corners of the top of the lower die holder 1. A lower die component 104 is fixed at the center of the top of the lower die holder 1. Lower support springs 105 are fixed between the four corners of the lower die holder 1 and the outer lifting platform 103. The positioning slide rods 102 and the outer lifting platform 103 are slidably connected through each other, and the positioning slide rods 102 and the upper die holder 3 are also slidably connected through each other. The lower support springs 105 support the outer lifting platform 103 to move upwards. The top surface of the outer lifting platform 103 and the top surface of the lower mold 104 are kept flush. The upward movement of the outer lifting platform 103 ensures that the part is on the top of the lower mold 104, avoiding the parts from getting stuck on the outside of the lower mold 104. The upward movement of the outer lifting platform 103 pushes the part to a reasonable position at the top, reducing the difficulty of moving and unloading the part after stamping. The center of the lower mold frame 1 is connected to the rotating shaft and the lower mold fixing seat 2. There are inter-gear 201 rotating on both sides of the lower mold fixing seat 2. The top surface of the lower mold fixing seat 2 is in contact with the bottom surface of the lower mold frame 1 in a horizontal state. The inter-gear 201 is located on the outside of the lower mold frame 1. The tail synchronous rack 402 and the outer synchronous rack 306 move in opposite directions through the inter-gear 201.

[0037] An upper mold frame 3 is installed above the lower mold frame 1. A side sliding tube 301 is fixed to one side of the upper mold frame 3. The side sliding tube 301 is slidably connected to a lower connecting frame 302. During the upward movement of the upper mold frame 3, the side sliding tube 301 and the lower connecting frame 302 slide and extend. After the upper mold frame 3 and the positioning slide rod 102 slide and separate, the side sliding tube 301 and the lower connecting frame 302 reach their maximum length. The side sliding tube 301 and the lower connecting frame 302 tilt the lower mold frame 1 by pulling the outer connecting rod 101 to avoid the positioning slide rod 102 of the lower mold frame 1 getting stuck. A lower positioning ring frame 303 slides vertically at the bottom of the upper mold frame 3. The upper horizontal bar and the middle ejector of the lower positioning ring frame 303 are connected to the lower mold frame 303. The column 304 is fixedly connected. The bottom of the upper mold frame 3 is provided with an upper mold part 305. Both sides of the upper mold frame 3 are fixed with external synchronous racks 306. The external synchronous racks 306 drive the tail synchronous rack 402 to move upward through the inter-gear 201. A middle support spring 307 is fixed between the middle ejector column 304 and the upper mold frame 3. The lower mold fixing seat 2 has a lower support rod 4 that slides vertically in the middle. Both sides of the lower support rod 4 are fixed with cylindrical side synchronous support rods 401. The side synchronous support rods 401 and the tail groove of the rectangular block structure side support rotating frame 403 are slidably connected. The tail synchronous rack 402 is fixed at the tail end of the side synchronous support rod 401. The side synchronous support rod 401 and the lower support rod 4 move vertically synchronously.

[0038] In this embodiment of the disclosure, such as Figure 4As shown, the middle ejector post 304 and the upper mold frame 3 are slidably connected. The lower end of the middle ejector post 304 extends through to the inside of the upper mold part 305. The lower positioning ring frame 303 is located on the outside of the upper mold part 305. The lower end of the lower connecting frame 302 is rotatably connected to the outer connecting rod 101. The middle support spring 307 supports the middle ejector post 304 and the lower positioning ring frame 303 to move down synchronously. The lower positioning ring frame 303 moves down in advance to perform a positioning operation of pressing the lower part that needs to be stamped. The middle support spring 307 supports the lower positioning ring frame 303 and the middle ejector post 304 to move down. The middle ejector post 304 protrudes into the interior of the upper mold part 305 to push out any residual or stuck parts in the upper mold part 305. The middle ejector post 304 assists in the operation of exporting parts from the upper mold part 305.

[0039] In this embodiment of the disclosure, such as Figure 6 As shown, the two sides of the inter-gear 201 are respectively meshed with a tail synchronizing rack 402 and an outer synchronizing rack 306. The tail synchronizing rack 402 and the outer synchronizing rack 306 move in opposite directions. The first end of the side support rotating frame 403 is rotatably connected to the lower mold frame 1. When the upper mold part 305 and the lower mold part 104 are in contact, the lower mold frame 1 remains horizontal. The top of the lower support rod 4 is in contact with the bottom of the lower mold frame 1. The upper part of the side support rotating frame 403 is in contact with the bottom of the lower mold frame 1. The lower support rod 4 provides synchronous contact support when the lower mold frame 1 is tilted. The lower support rod 4 ensures the support force of the suspended position when the lower mold frame 1 is tilted. The side support rotating frame 403 synchronously contacts and supports the lower mold frame 1 to expand the support surface. The side support rotating frame 403 synchronously contacts and supports the lower mold frame 1 to expand the support surface, thereby improving the support for the suspended part of the lower mold frame 1.

[0040] In this embodiment of the disclosure, such as Figure 7 As shown, when the upper mold 305 and the lower mold 104 move and separate, the lower support rod 4 and the side synchronous support rod 401 move downward away from the lower mold frame 1. The lower mold frame 1 tilts and rotates downward around the center and the rotation axis of the lower mold fixing seat 2 towards the lower support rod 4. After the lower mold 104 and the outer lifting platform 103 tilt, they guide the stamped parts to slide and exit to the lower side, eliminating the need for manual removal of parts, shortening the stamping interval, further accelerating production efficiency, and eliminating the need for compressed air to be discharged. The inclined surface setting better completes the export of parts to the specified range.

[0041] In Example 2, based on Example 1, the outer lifting platform 103 has a compressed air nozzle fixed on one side of the outer connecting rod 101. The compressed air nozzle is connected to a pump. When the outer lifting platform 103 tilts, the compressed air nozzle opens synchronously, venting air to the stamped part, accelerating the removal speed of the stamped part, increasing the moving speed of the part, and ensuring the correct moving direction by guiding the inclined surface.

[0042] The working principle of this embodiment is as follows: The lower mold frame 1 is fixed on the lower platform of the stamping machine. The upper mold frame 3 and the moving frame of the stamping machine are bolted together. The stamping machine drives the upper mold frame 3 to move vertically downwards and back and forth. The holes of the upper mold frame 3 and the positioning slide rod 102 slide through to assist in the positioning of the upper mold part 305 and the lower mold part 104. The aerospace part material to be stamped passes through the outer lifting platform 103 and the top of the lower mold part 104. The upper mold part 305 and the lower mold part 104 approach the stamping process. During the process, the middle support spring 307 supports the middle ejector column 304 and the lower positioning ring frame 303 to move down synchronously. The lower positioning ring frame 303 moves down in advance to perform a positioning operation of pressing the lower part that needs to be stamped in advance. The advance movement of the lower positioning ring frame 303 also resets the lower mold frame 1 to a horizontal state. As the upper mold frame 3 continues to move down, the middle ejector column 304 and the lower positioning ring frame 303 gradually approach the upper mold frame 3, and the upper mold part 305 and the lower mold part 104 close to perform the stamping work.

[0043] During the closing process of the upper mold 305 and the lower mold 104, the upper mold frame 3 and the outer synchronous rack 306 move down synchronously. The outer synchronous rack 306 drives the tail synchronous rack 402 to move up through the inter-gear 201. The tail synchronous rack 402 and the outer synchronous rack 306 move in opposite directions through the inter-gear 201. The lower support rod 4 and the side support rotating frame 403 move closer to the bottom of the lower mold frame 1. When the upper mold 305 and the lower mold 104 are closed, the lower support rod 4 and the side support rotating frame 403 support the suspended side of the lower mold frame 1, disperse the force on the lower mold frame 1 during stamping, improve the stability of the lower mold frame 1 during stamping, and reduce the deformation of the suspended side of the lower mold frame 1.

[0044] After the upper die 305 and the lower die 104 are closed by stamping, they move separately. During the upward movement of the upper die 305, the middle support spring 307 supports the lower positioning ring 303 and the middle ejector column 304 to move downward. The middle ejector column 304 protrudes into the interior of the upper die 305 to push out any parts that are left or stuck in the upper die 305. The outer lifting platform 103 can move up and down to buffer. The upward movement of the outer lifting platform 103 ensures that the part is on the top of the lower die 104, preventing the parts from getting stuck on the outside of the lower die 104. The upward movement of the outer lifting platform 103 pushes the part to a reasonable position at the top, reducing the difficulty of removing the part after stamping and ensuring the smooth movement of the part later. At the same time, the part moves along the inclined plane, which is less likely to cause deviation. It also avoids the situation where the part is still on the mold when the compressed gas is discharged, which would cause the mold to jam if the mold falls.

[0045] During the upward movement of the upper mold part 305, the lower mold frame 1 is pulled upward by the lower connecting frame 302 and the outer connecting rod 101. The lower mold frame 1 rotates around the connecting shaft of the lower mold frame 1 and the lower mold fixing seat 2. The other side of the lower mold frame 1, the lower mold part 104 and the outer lifting platform 103 tilt to one side simultaneously. After the lower mold part 104 and the outer lifting platform 103 tilt, the guide component slides out to the lower side, eliminating the need for manual removal of the component, improving production efficiency and the safety of stamping production. Moreover, the tilting of the lower mold frame 1 is driven by the upward movement of the upper mold part 305 after stamping, without the need for additional driving force.

[0046] During the separation of the upper mold part 305 and the lower mold part 104, the lower mold frame 1 tilts to one side, and the lower support rod 4 and the side support rotating frame 403 move down and away simultaneously to make room for the lower mold frame 1 to rotate on the side that tilts downward. The lower support rod 4 provides simultaneous support when the lower mold frame 1 tilts, ensuring the support force of the suspended position when the lower mold frame 1 tilts. The side support rotating frame 403 simultaneously supports the lower mold frame 1 to expand the support surface, reducing the deformation of the lower mold frame 1.

[0047] The following points should be noted in this article:

[0048] 1. The accompanying drawings of the embodiments disclosed herein only relate to the structures involved in the embodiments disclosed herein; other structures can be referred to in general design.

[0049] 2. Where there is no conflict, the embodiments of this disclosure and the features in the embodiments can be combined with each other to obtain new embodiments.

[0050] The above are merely specific embodiments of this disclosure, but the scope of protection of this disclosure is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this disclosure should be included within the scope of protection of this disclosure. Therefore, the scope of protection of this disclosure should be determined by the scope of the claims.

Claims

1. A punch die having a positioning structure, comprising: Lower mold frame (1), lower mold fixed base (2), upper mold frame (3) and lower support rod (4); characterized in that, the lower mold frame (1) is rotatably connected with the lower mold fixed base (2) through the center matching rotating shaft, the upper mold frame (3) is arranged above the lower mold frame (1), the lower support rod (4) is vertically slidably arranged in the middle of the lower mold fixed base (2), the outer connecting rod (101) is rotatably arranged on the outer side of the middle of the lower mold frame (1), the positioning slide rod (102) is symmetrically fixed on one side of the lower mold frame (1), the outer lifting platform (103) is vertically slidably arranged on the top of the lower mold frame (1), the lower mold (104) is fixedly arranged on the top center of the lower mold frame (1), and the lower support spring (105) is fixed between the lower mold frame (1) and the outer lifting platform (103); the positioning slide rod (102) and the outer lifting platform (103) are slidably connected, the positioning slide rod (102) and the upper mold frame (3) are slidably connected, the lower support spring (105) supports the upward movement of the outer lifting platform (103), and the top surface of the outer lifting platform (103) and the top surface of the lower mold (104) are flush; both sides of the lower mold fixed base (2) are rotatably provided with the intermediate gear (201), the top surface of the lower mold fixed base (2) is attached to the bottom surface of the lower mold frame (1) in the horizontal state, and the intermediate gear (201) is located at the outer side of the lower mold frame (1); one side of the upper mold frame (3) is fixedly provided with the side sliding pipe (301), the side sliding pipe (301) is slidably connected with the lower connecting frame (302), the lower positioning ring frame (303) is vertically slidably arranged on the bottom of the upper mold frame (3), the upper part of the lower positioning ring frame (303) is fixedly connected with the middle ejection column (304), the upper mold (305) is arranged on the bottom of the upper mold frame (3), both sides of the upper mold frame (3) are fixedly provided with the outer synchronous rack (306), and the middle support spring (307) is fixedly arranged between the middle ejection column (304) and the upper mold frame (3); the middle ejection column (304) and the upper mold frame (3) are slidably connected, the lower end of the middle ejection column (304) penetrates to the inner side of the upper mold (305), the lower positioning ring frame (303) is located at the outer side of the upper mold (305), and the lower end of the lower connecting frame (302) is rotatably connected with the outer connecting rod (101).

2. The punch die with a positioning structure according to claim 1, characterized in that, both sides of the lower support rod (4) are fixedly provided with the side synchronous support rod (401), the side synchronous support rod (401) is slidably connected with the tail groove of the side support rotating frame (403), and the tail end of the side synchronous support rod (401) is fixedly provided with the tail synchronous rack (402).

3. The punch die with a positioning structure according to claim 2, characterized in that, The intermediate gear (201) is meshed with tail synchronization rack (402) and outer synchronization rack (306) on both sides, tail synchronization rack (402) and outer synchronization rack (306) move oppositely, the head of side support swing frame (403) and the lower mold frame (1) are rotationally connected, when the upper mold (305) and the lower mold (104) are attached, the lower mold frame (1) remains horizontal, the top of the lower support rod (4) and the bottom of the lower mold frame (1) are attached, the upper part of the side support swing frame (403) and the bottom of the lower mold frame (1) are attached.

4. The punch die with positioning structure according to claim 3, characterized in that, When the upper mold (305) and the lower mold (104) are moved apart, the lower support rod (4) and the side synchronization support rod (401) move downward away from the lower mold frame (1), the lower mold frame (1) rotates downward around the rotation shaft of the center and the lower mold fixed base (2) to the side of the lower support rod (4).

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