Forming equipment and technology of static sheet

Abstract

The invention provides static sheet forming equipment and technology, and relates to the technical field of static sheet machining.The static sheet forming equipment and technology comprise a rack, a first driving mechanism, a polishing mechanism, a movable mold and a fixed mold are installed on the rack, the movable mold and the fixed mold are oppositely arranged, a material plate is placed on the fixed mold, and the first driving mechanism and the polishing mechanism are installed on the rack; the movable die is used for stamping a material plate into a static sheet; the material receiving mechanism is arranged on the grinding mechanism to mount the fixed die, the fixed seat provided with the material receiving plate can be used for receiving the stamped static sheet, and the material receiving plate abuts against the static sheet and positions the static sheet along with further descending of the fixed seat, so that barbs on the static sheet can be ground by the grinding mechanism conveniently; and the limiting block slidably connected with the male die fixing plate is arranged in the male die fixing plate, the sliding rod and the first elastic piece arranged on the sliding rod in a sleeving mode are arranged at the top of the limiting block, the limiting block can abut against the portions, on the edges of the two sides of the male die, of the material plate all the time, and therefore the situation that the material plate warps upwards or downwards is prevented.

Description

Technical Field

[0001] The invention relates to the technical field of static sheet processing, in particular to a static sheet forming device and a process thereof. Background Art

[0002] The switch static piece, often referred to as the static piece, is a stationary contact point in a switch device. When the switch is in the closed state, it contacts the moving piece (or moving contact) to form a conductive path. When the switch is opened, the static piece separates from the moving piece, thus breaking the circuit. The main function of the switch static piece is to ensure that the circuit can be reliably connected or disconnected when needed.

[0003] Stamping dies are special process equipment used to process materials (metal or non-metal) into parts (or semi-finished products) in cold stamping. They are called cold stamping dies (commonly known as cold stamping dies). Stamping is a pressure processing method that uses a die installed on a press to apply pressure to the material at room temperature to separate or plastically deform the material, thereby obtaining the desired parts. Stamping dies are often used in the processing of switch static plates.

[0004] In a design of a continuous stamping die for a cap-shaped component with publication number CN113996708B, its operating principle mainly relies on a single stamping action of the upper die to complete the processing of the sheet. However, when processing sheets with irregular shapes, the die faces certain limitations: if the spacing between the sheets is set too wide, it will lead to significant waste of raw materials; conversely, if the spacing is too narrow, the edge corners of the sheet may appear upturned or downturned after the stamping operation. These raised parts not only affect the appearance, but may also interfere with the precise stamping efficiency of the punch, thereby reducing the quality of the finished product. In addition, the existing stamping forming technology generally lacks the function of instantly removing the burrs of the static sheets during the stamping process. Users need to collect all the stamped static sheets first, and then transfer them to special burr processing equipment for processing. This extra step not only increases the complexity of the operation and reduces production efficiency, but also brings inconvenience to the user. Summary of the invention

[0005] The purpose of the present invention is to provide a static sheet forming device and process thereof, aiming to solve the problem in general technology that the edge corners of the static sheet forming device may warp and affect the stamping effect and the burrs of the static sheet cannot be processed in time.

[0006] To achieve the above object, the present invention adopts the following technical solutions: It includes a frame, on which a first driving mechanism, a grinding mechanism, a movable mold and a fixed mold are installed. The movable mold and the fixed mold are arranged opposite to each other. A material plate is placed on the fixed mold. It also includes a material receiving mechanism installed between the grinding mechanism and the fixed mold. The movable mold includes a first mold base. At the bottom of the first mold base, a punch fixing plate for installing a punch is installed. A limiting mechanism is slidably installed inside the punch fixing plate, and the limiting mechanism is located on both sides of the punch. The material receiving mechanism includes a connecting seat fixedly installed between the grinding mechanism and the fixed mold. A connecting plate is slidably installed up and down inside the connecting seat. On one side of the connecting plate, a fixed seat is fixedly installed. Inside the fixed seat, a material receiving plate is fixedly installed. Four installation holes are opened inside the connecting seat, and a telescopic member is provided in each installation hole. The fixed end of the telescopic member is fixedly installed inside the grinding mechanism, and the movable end of the telescopic member is inserted into the installation hole. Four first through grooves and two second through grooves communicating with the installation holes are opened on the inner wall of the connecting seat.

[0007] A further technical solution of the present invention is that the limiting mechanism includes a plurality of limiting blocks slidably installed inside the punch fixing plate. The plurality of limiting blocks are distributed on both sides of the punch. At the top of each limiting block, a plurality of sliding rods are fixedly installed. A first elastic member is sleeved on the outer surface of each sliding rod. The plurality of sliding rods are all slidably installed inside the first mold base, and the first elastic member is located between the limiting block and the first mold base.

[0008] A further technical solution of the present invention is that four positioning rods are fixedly installed at the bottom of the movable mold. The positioning rods penetrate through the fixed mold and are inserted into the installation holes. As the movable mold presses down, the positioning rods press down on the telescopic members.

[0009] A further technical solution of the present invention is that a connecting sleeve is fixedly installed at a position near the end of the outer surface of the movable end of the telescopic member. A connecting rod is inserted into the connecting sleeve. The end of the connecting rod away from the connecting sleeve is fixedly connected to the connecting plate.

[0010] A further technical solution of the present invention is that on the side of the connecting plate where the connecting rod is installed, a C-shaped plate is fixedly installed. The C-shaped plate is slidably installed inside the second through groove. A first slider is fixedly installed on the inner side of the middle part of the C-shaped plate.

[0011] A further technical solution of the present invention is that an installation plate is fixedly installed at a position near the lower part of the middle of the second through groove. A second slider is fixedly installed on the inner side of the installation plate. The second slider corresponds to the first slider up and down.

[0012] A further technical solution of the present invention is that conveying mechanisms for conveying material sheets are arranged on both sides of the material receiving mechanism, and the conveying mechanisms include fixed plates fixedly installed at both ends of the material receiving mechanism, and a connecting shaft is installed between the two fixed plates for common rotation, and a feeding roller for conveying material sheets is fixedly installed in the middle of the connecting shaft, and a second driving mechanism for driving the connecting shaft is installed at both ends of the connecting shaft.

[0013] A further technical solution of the present invention is that the second driving mechanism includes a gear and a disc rotatably mounted on a connecting shaft, the gear and the disc are connected by a connecting strip, and the second driving mechanism also includes a ratchet fixedly mounted on the connecting shaft, and a ratchet matching the ratchet is installed on the side of the disc away from the connecting strip.

[0014] A further technical solution of the present invention is that racks for driving the gears are installed at both ends of both sides of the first driving mechanism.

[0015] A forming process of a static sheet comprises the following steps: S1. Material preparation, select the material sheet of suitable material; S2, driving the movable die to punch the material plate on the fixed die through the first driving mechanism, and conveying the punched static sheet to the grinding mechanism to remove burrs through the material receiving mechanism; S3, sending the static sheet after burr removal to a bending machine for bending; S4, performing surface treatment on the bent static sheet; S5. Conduct quality inspection on static films; S6. Pack and ship the qualified static films.

[0016] The beneficial effects of the present invention are: 1. By arranging a material receiving mechanism on the grinding mechanism to install the fixed die, the static piece that has been stamped can be received by a fixed seat equipped with a material receiving plate. As the stamping work proceeds, the static piece descends. When it is close to the grinding mechanism, the fixed seat is loosened to make the static piece fall onto the grinding mechanism. As the fixed seat further descends, the material receiving plate abuts against the static piece and positions it, so that the grinding mechanism can grind the barbs on the static piece, thereby achieving the purpose of facilitating the removal of the barbs from the static piece. A limit block that is slidably connected to the punch fixed plate is arranged inside the punch fixed plate, and a slide rod and a first elastic member sleeved on the slide rod are arranged on the top of the limit block. During the stamping process of the static piece, the limit block can always abut against the material plate at the edges of both sides of the punch, thereby preventing the material plate from warping up or down.

[0017] 2. By arranging a rotatably connected gear and a disc on the connecting shaft, arranging a fixedly connected ratchet on the connecting shaft, arranging ratchet teeth matching the ratchet on the disc, and arranging racks that mesh with the gears on both sides of the first driving mechanism, the gears can be made to idle when the first driving mechanism descends, and the material sheet can be conveyed when the first driving mechanism rises, which not only reduces the use of manpower, but also can accurately control the conveying distance of the material sheet. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural diagram of embodiment 1 of the present invention.

[0019] Figure 2 It is a schematic diagram of the structure of a movable mold and a fixed mold in a specific embodiment of the present invention.

[0020] Figure 3 It is a structural schematic diagram of the receiving state of the material receiving mechanism in a specific embodiment of the present invention.

[0021] Figure 4 It is a structural schematic diagram of a slider in a specific embodiment of the present invention.

[0022] Figure 5 It is a structural schematic diagram of a movable mold in a specific embodiment of the present invention.

[0023] Figure 6 It is a structural schematic diagram of a limiting mechanism in a specific embodiment of the present invention.

[0024] Figure 7 It is a structural schematic diagram of a fixed mold in a specific embodiment of the present invention.

[0025] Figure 8 It is a structural diagram of embodiment 2 of the present invention.

[0026] Fig. 9 It is a structural schematic diagram of a conveying mechanism in a specific embodiment of the present invention.

[0027] Fig.10 It is a schematic structural diagram of a ratchet wheel and ratchet teeth in a specific embodiment of the present invention.

[0028] Fig.11 It is a schematic diagram of the structure of the static sheet after being bent in a specific embodiment of the present invention.

[0029] Reference numerals: 1. Frame; 11. First driving mechanism; 12. Grinding mechanism; 2. movable mold; 20. first mold base; 201. connecting hole; 21. positioning rod; 22. punch fixing plate; 23. punch; 24. limiting mechanism; 241. limiting block; 242. sliding rod; 243. elastic member; 3. Material receiving mechanism; 31. Connecting seat; 311. Mounting hole; 312. First through groove; 313. Second through groove; 32. Telescopic member; 33. Connecting sleeve; 34. Connecting rod; 35. Connecting plate; 36. Second elastic member; 37. Fixed seat; 371. Material receiving plate; 38. C-shaped plate; 381. First slider; 39. Mounting plate; 391. Second slider; 4. Fixed mold; 40. Second mold base; 41. Female mold; 5. Material plate; 51. Static sheet; 6. Conveying mechanism; 61. Fixed plate; 62. Connecting shaft; 63. Feeding roller; 64. Gear; 65. Disc; 651. Connecting strip; 66. Ratchet; 67. Ratchet teeth; 68. Rack. Specific implementation mode

[0030] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0031] Embodiment 1 Since most of the forming equipment in the general technology needs to collect the static sheets after stamping and convey them to another deburring equipment for processing, and when the sheet spacing is narrow, the edges and corners of the sheet may warp up or down, affecting the subsequent processing operations.

[0032] Based on the above problems, in this embodiment, as Figures 1 to 4 shown, a forming equipment for static sheets includes a frame 1. A first driving mechanism 11 is installed at the top of the frame 1. A grinding mechanism 12 is installed at a position near the lower part of the middle of the frame 1. A moving mold 2 is fixedly installed at the bottom of the first driving mechanism 11. A material receiving mechanism 3 is installed at the top of the grinding mechanism 12. A fixed mold 4 is installed at the top of the material receiving mechanism 3. A material plate 5 is placed on the fixed mold 4. The moving mold 2 drives downward with the first driving mechanism 11 to stamp the material plate 5 on the fixed mold 4. The material receiving mechanism 3承接并将其输送至底部打磨机构12处进行打磨,最终打磨机构12将打磨完成的静片51导出,第一驱动机构11为现有技术,故不对其进行过多叙述。

[0033] As Figure 3 and Figure 4 It should be noted that there seems to be an incomplete or incorrect expression in the original text at "The material receiving mechanism 3承接并将其输送至底部打磨机构12处进行打磨", which may affect the accuracy of the overall translation. It is recommended to check and correct the original text for a more accurate translation.As shown in the figure, the material receiving mechanism 3 includes a connecting seat 31 fixedly installed on the top of the grinding mechanism 12. The connecting seat 31 is in a square frame shape with a hollow center. Four mounting holes 311 for installing the telescopic members 32 are provided inside the connecting seat 31. The four telescopic members 32 correspond to the positions of the four positioning rods 21 respectively. The fixed ends of the telescopic members 32 are fixedly installed inside the grinding mechanism 12, and the movable ends of the telescopic members 32 are inserted into the mounting holes 311. Four first through grooves 312 and two second through grooves 313 that communicate with the mounting holes 311 are provided on the inner wall of the connecting seat 31. A connecting sleeve 33 is fixedly installed on the outer surface of the movable end of the telescopic member 32 near the end. A connecting rod 34 is inserted into the connecting sleeve 33. A connecting plate 35 is fixedly installed at one end of the connecting rod 34 away from the connecting sleeve 33. A second elastic member 36 is installed between the connecting plate 35 and the telescopic member 32. The second elastic member 36 is located inside the connecting sleeve 33 and sleeved on the outer surface of the connecting rod 34. A fixed seat 37 is fixedly installed on the other side of the connecting plate 35. A material receiving plate 371 for receiving the static sheet 51 is fixedly installed inside the fixed seat 37.

[0034] On the side of the connecting plate 35 where the connecting rod 34 is fixedly installed, a U-shaped plate 38 is fixedly installed. The U-shaped plate 38 is slidably installed inside the second through groove 313. A first slider 381 is fixedly installed on the inner side of the middle part of the U-shaped plate 38. An installation plate 39 is fixedly installed at a position near the lower part of the middle of the second through groove 313. The installation plate 39 is L-shaped. A second slider 391 is fixedly installed on the inner side of the longer section of the installation plate 39. The second slider 391 and the first slider 381 are vertically corresponding.

[0035] As Figure 2 and Figures 5 to 7 As shown in the figure, the moving die 2 includes a first die base 20. Four positioning rods 21 are fixedly installed at the bottom of the first die base 20. The four positioning rods 21 are inserted into the fixed die 4 and the material receiving mechanism 3 and drive the material receiving mechanism 3. The four positioning rods 21 are respectively located at the four corners of the bottom of the moving die 2. A punch fixing plate 22 for installing the punch 23 is installed at the bottom of the first die base 20. A limiting mechanism 24 for extruding and fixing the material plate 5 is also slidably installed inside the punch fixing plate 22 to prevent the edges and corners from warping and affecting the operation of the punch 23. A plurality of connecting holes 201 for installing the limiting mechanism 24 are provided inside the first die base 20.

[0036] As Figure 6As shown, the limiting mechanism 24 includes a plurality of limiting blocks 241 slidably mounted inside the punch fixing plate 22. The plurality of limiting blocks 241 are distributed on both sides of the punch 23, so that the limiting blocks 241 can squeeze and fix the material plate 5 at the two side edges during the stamping process of the punch 23, to prevent the corners of the edge of the material plate 5 from warping upwards. A plurality of sliding rods 242 are fixedly installed on the top of each limiting block 241. A first elastic member 243 is sleeved on the outer surface of each sliding rod 242. Each sliding rod 242 is slidably mounted inside a connection hole 201 opposite to its position. The first elastic member 243 is located between the limiting block 241 and the first die base 20, so that the limiting block 241 can be driven by the first elastic member 243 to reset when the punch 23 rises.

[0037] As Figure 7 shown, the fixed die 4 includes a second die base 40. The positioning rod 21 is inserted into the second die base 40. A concave die 41 is fixedly installed on the upper surface of the second die base 40. The punch 23 descends into the concave die 41 to complete the stamping of the material plate 5. The material plate 5 at the two side edges of the punch 23 is located between the limiting block 241 and the concave die 41. Therefore, the material plate 5 will not warp upwards or downwards.

[0038] During stamping, the limiting block 241 abuts against the upper surface of the material plate 5 as the punch 23 descends. As the punch 23 continues to descend, the limiting block 241 compresses the first elastic member 243. At the same time, the positioning rod 21 enters the installation hole 311 and presses down the telescopic member 32 so that the installation plate 39 enters the inside of the C-shaped plate 38. When the first slider 381 meets the second slider 391, since the installation plate 39 is fixed, the first slider 381 drives the C-shaped plate 38 and then drives the connecting plate 35 to move towards the second through groove 313 and compresses the second elastic member 36. At this time, the receiving plate 371 loses the承接 of the static piece 51, and the static piece 51 drops onto the grinding mechanism 12. As the positioning rod 21 continues to press down, the first slider 381 is displaced from the second slider 391, and the connecting plate 35 is reset under the drive of the second elastic member 36. When the positioning rod 21 descends to the lowest position, the bottom of the receiving plate 371 abuts against the static piece 51 to position the static piece 51, and then the grinding mechanism 12 is started to grind the positioned static piece 51 to remove burrs. With the completion of the stamping work, the positioning rod 21 rises, the telescopic member 32 automatically resets to承接 the newly stamped static piece 51, the first elastic member 243 drives the limiting block 241 to reset, and the grinding mechanism 12 exports the ground static piece 51.

[0039] In this embodiment, by setting the receiving mechanism 3 on the grinding mechanism 12 to install the fixed mold 4, the fixed seat 37 equipped with the receiving plate 371 can be used to receive the stamped static piece 51. As the stamping work proceeds, the static piece 51 descends. When it is close to the grinding mechanism 12, the fixed seat 37 is released to make the static piece 51 fall onto the grinding mechanism 12. As the fixed seat 37 further descends, the receiving plate 371 abuts against the static piece 51 and positions it, so that the grinding machine can Structure 12 grinds the barbs on the static piece 51, so as to facilitate the removal of the barbs from the static piece 51, and a limit block 241 slidably connected to the punch fixing plate 22 is arranged inside the punch fixing plate 22, and a slide rod 242 and a first elastic member 243 sleeved on the slide rod 242 are arranged on the top of the limit block 241. During the stamping process of the static piece 51, the limit block 241 can always be in contact with the material plate 5 at the edges of both sides of the punch 23, thereby preventing the material plate 5 from warping up or down.

[0040] Embodiment 2 It is found during use that the sheet 5 needs to be moved manually during stamping, which is not only inconvenient for processing and use, but also the distance of manual movement is uncontrollable, which may result in deviations and partial loss of the static sheet 51, or excessive movement distance leading to waste of materials. like Figures 8 to 10 As shown, the difference between this embodiment and embodiment 1 is that a conveying mechanism 6 for conveying the material sheet 5 is arranged on both sides of the material receiving mechanism 3, and the conveying mechanism 6 includes two fixed plates 61 fixedly installed at both ends of one side of the material receiving mechanism 3, and a connecting shaft 62 is rotatably installed inside the two fixed plates 61, and a feeding roller 63 for conveying the material sheet 5 is fixedly installed in the middle of the connecting shaft 62, and a second driving mechanism for driving the connecting shaft 62 is installed at both ends.

[0041] The second driving mechanism includes a gear 64 and a disc 65 rotatably mounted on the connecting shaft 62, and the gear 64 and the disc 65 are connected by a connecting strip 651. The second driving mechanism also includes a ratchet 66 fixedly mounted on the connecting shaft 62. A ratchet 67 adapted to the ratchet 66 is mounted on the side of the disc 65 away from the connecting strip 651. Racks 68 for driving the gear 64 are mounted on both ends of both sides of the first driving mechanism 11. When the first driving mechanism 11 drives the movable mold 2 to descend, the ratchet 67 rotates relative to the ratchet 66. When the first driving mechanism 11 drives the movable mold 2 to rise, the ratchet 67 abuts against the ratchet 66, so that the gear 64 can drive the ratchet 66 to rotate through the ratchet 67, thereby driving the feed roller 63 to transport the material plate 5.

[0042] In this embodiment, a rotatably connected gear 64 and a disc 65 are provided on the connecting shaft 62, a fixedly connected ratchet 66 is provided on the connecting shaft 62, and a ratchet 67 matched with the ratchet 66 is provided on the disc 65, and racks 68 meshing with the gear 64 are provided on both sides of the first drive mechanism 11. The gear 64 can be idle when the first drive mechanism 11 descends, and the material sheet 5 can be conveyed when the first drive mechanism 11 ascends, which not only reduces the use of manpower but also enables the conveying distance of the material sheet 5 to be accurately controlled.

[0043] Embodiment 3 like Figures 1 to 11 As shown, a forming process of a static sheet includes the following steps: S1. Material preparation: select a sheet 5 of suitable material to ensure that it has good conductivity and plasticity; S2, driving the movable die 2 to punch the material plate 5 on the fixed die 4 through the first driving mechanism 11, and conveying the punched static sheet 51 to the grinding mechanism 12 to remove burrs through the material receiving mechanism 3; S3, sending the static sheet 51 after burrs are removed to a bending machine for bending; S4, performing surface treatment on the bent static sheet 51, such as electroplating, spraying, etc.; S5. Performing quality inspection on the static sheet 51, including appearance inspection, dimension measurement, conductivity test, etc., to ensure that the product meets the quality standards; S6. Pack the qualified static film 51 and ship it according to the customer's requirements.

[0044] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A static sheet forming device, comprising a frame, on which a first driving mechanism, a grinding mechanism, a movable mold and a fixed mold are installed, the movable mold and the fixed mold are arranged opposite to each other, and a material plate is placed on the fixed mold, characterized in that: It further includes a material receiving mechanism installed between the grinding mechanism and the fixed mold; The moving mold includes a first mold base, a punch fixing plate for installing the punch is installed at the bottom of the first mold base, a limiting mechanism is slidably installed inside the punch fixing plate, and the limiting mechanism is located on both sides of the punch; The material receiving mechanism includes a connecting seat fixedly installed between the grinding mechanism and the fixed mold. A connecting plate is slidably installed up and down inside the connecting seat. A fixed seat is fixedly installed on one side of the connecting plate. A material receiving plate is fixedly installed inside the fixed seat. Four installation holes are opened inside the connecting seat. A telescopic member is provided in each installation hole. The fixed end of the telescopic member is fixedly installed inside the grinding mechanism, and the movable end of the telescopic member is inserted into the installation hole. Four first through grooves and two second through grooves communicating with the installation holes are opened on the inner wall of the connecting seat.

2. A static sheet forming device according to claim 1, characterized in that: The limiting mechanism includes a plurality of limiting blocks slidably installed inside the punch fixing plate. The plurality of limiting blocks are distributed on both sides of the punch. A plurality of sliding rods are fixedly installed on the top of each limiting block. A first elastic member is sleeved on the outer surface of each sliding rod. The plurality of sliding rods are all slidably installed inside the first mold base, and the first elastic member is located between the limiting block and the first mold base.

3. The static sheet forming device according to claim 1, characterized in that: Four positioning rods are fixedly installed at the bottom of the moving mold. The positioning rods penetrate through the fixed mold and are inserted into the installation holes. The positioning rods press down on the telescopic members as the moving mold presses down.

4. The static sheet forming device according to claim 1, characterized in that: A connecting sleeve is fixedly installed at a position near the end of the outer surface of the movable end of the telescopic member. A connecting rod is inserted into the connecting sleeve. One end of the connecting rod away from the connecting sleeve is fixedly connected to the connecting plate.

5. The static sheet forming device according to claim 4, characterized in that: A U-shaped plate is fixedly installed on the side of the connecting plate where the connecting rod is installed. The U-shaped plate is slidably installed inside the second through groove. A first slider is fixedly installed on the inner side of the middle of the U-shaped plate.

6. The static sheet forming device according to claim 5, characterized in that: An installation plate is fixedly installed at a position near the lower part of the middle of the second through groove. A second slider is fixedly installed on the inner side of the installation plate. The second slider corresponds to the first slider up and down.

7. The static sheet forming device according to claim 1, characterized in that: Conveying mechanisms for conveying the material plate are arranged on both sides of the material receiving mechanism. The conveying mechanisms include fixing plates fixedly installed at both ends of the material receiving mechanism. A connecting shaft is rotatably installed between the two fixing plates. A material conveying roller for conveying the material plate is fixedly installed in the middle of the connecting shaft. Second driving mechanisms for driving the connecting shaft are installed at both ends of the connecting shaft.

8. The static sheet forming device according to claim 7, characterized in that: The second driving mechanism includes a gear and a disc rotatably installed on the connecting shaft. The gear and the disc are connected by a connecting strip. The second driving mechanism further includes a ratchet fixedly installed on the connecting shaft. A ratchet tooth adapted to the ratchet is installed on the side of the disc away from the connecting strip.

9. The static sheet forming device according to claim 8, characterized in that: Rack bars for driving the gears are installed at both ends of the first driving mechanism.

10. A molding process for a stationary piece, the molding process adopts the molding equipment for a stationary piece according to claim 9, characterized in that: It includes the following steps: S1. Material preparation, select a material plate of appropriate material; S2. Drive the moving mold to punch the material plate on the fixed mold through the first driving mechanism, and convey the punched static sheet to the grinding mechanism through the material receiving mechanism to remove burrs; S3. Send the static sheet after removing burrs to a bending machine for bending; S4, performing surface treatment on the bent static sheet; S5. Conduct quality inspection on static films; S6. Pack and ship the qualified static films.

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