Plastic compression molding device for domestic ceramic processing

Abstract

The invention relates to the technical field of ceramic processing, in particular to a plastic compression molding device for domestic ceramic processing, which comprises a frame, an upper die holder and a lower die holder, the lower die holder is fixedly mounted above the frame, the upper die holder is slidably mounted above the lower die holder, and the upper die holder is slidably mounted above the lower die holder. A feeding assembly and a die taking assembly are movably installed on the two sides of the lower die base correspondingly, and the feeding assembly comprises a lower sliding frame, a spraying pipe, a discharging plate and a second supporting plate. When the mold is opened, a release agent is sprayed to the interior of the lower mold base and the bottom of the mold through the spraying pipe, manual intervention is avoided, the safety during manual operation is improved, waste attached to the upper portion is further discharged through vibration of the discharging plate, waste accumulation of a material collecting groove is avoided, the first supporting plate is driven by the cutter to move upwards, the cutter cuts off edge overflowing waste of the mold, and the mold opening efficiency is improved. And during mold closing, a release agent is sprayed to the bottom of the upper mold base and the top of the second supporting plate through the spraying pipe, manual intervention is avoided, and the safety during manual operation is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of ceramic processing, and particularly relates to a plastic pressing and forming device for daily-use ceramic processing. Background Art

[0002] Daily-use ceramics, including tableware, tea sets, ornaments, etc., are ceramic products widely used in people's daily lives. Daily-use ceramics are mainly produced through plastic pressing devices. When traditional plastic pressing devices are used, after manual application of a release agent on the surfaces of the upper and lower die seats, the blank is placed inside the lower die seat, and plastic pressing is performed through the closing of the upper and lower die seats. However, during the use process, the human palm often works between the upper and lower die seats, which easily causes the upper and lower die seats to squeeze the palm during the closing process, resulting in problems such as manual injury. For example, in a ceramic blank plastic press with the publication number: CN213797147U, when in use, the blank is taken out by heating the surface of the lower die seat. During the plastic pressing process, the excess clay is cut off by the annular blade above, so that the clay falls into the trough plate below. However, long-term heating of the lower die seat easily causes oxidation and corrosion on the surface of the lower die seat, resulting in damage to the lower die seat. After the clay falls into the trough plate, if not cleaned in time, it will cause clay accumulation, causing the clay to fall into the inside of the lower die seat, thus affecting ceramic plastic pressing. In addition, during the plastic pressing process, manual feeding and blank taking are required, which easily causes harm to the worker's hands by the upper and lower die seats, as well as the problem of low plastic pressing and forming efficiency. Summary of the Invention

[0003] The purpose of the present invention is to solve the problems in the background art, and a plastic pressing and forming device for daily-use ceramic processing is proposed.

[0004] To achieve the above purpose, the present invention adopts the following technical solutions:

[0005] A plastic pressing and forming device for daily-use ceramic processing, including a frame, an upper die seat, and a lower die seat. The lower die seat is fixedly installed above the frame, the upper die seat is slidably installed above the lower die seat, and a feeding component and a mold taking component are respectively movably installed on both sides of the lower die seat. The feeding component includes a lower sliding frame, a spray pipe, a discharging plate, and a second supporting plate. The lower sliding frame is located above the lower die seat and is slidably installed above the frame. A spray groove and a blanking groove are opened on the side wall of the lower sliding frame. The spray pipe is rotatably installed inside the spray groove. The second supporting plate is slidably installed at the bottom of the spray groove and the blanking groove. The second supporting plate is located below the spray pipe. A material collecting groove is opened outside the spray groove and the blanking groove. The discharging plate is rotatably installed inside the material collecting groove;

[0006] The modular component includes an upper sliding frame, a cutting knife, and a first supporting plate. A supporting frame is integrally formed on the side wall of the machine frame. The upper sliding frame is located between the lower sliding frame and the upper die base and is slidably installed above the supporting frame. The cutting knife is slidably installed outside the upper sliding frame. The first supporting plate is located above the upper sliding frame. A first spring is provided between the bottom of the cutting knife and the upper sliding frame, and a second spring is provided between the bottom of the cutting knife and the first supporting plate.

[0007] In the above-mentioned plastic pressing and forming device for daily-use ceramic processing, sliding rods one and two are integrally formed on the side walls of the upper and lower sliding frames respectively. Slide rails one and two are respectively opened on the side walls of the supporting frame and the top of the machine frame. The sliding rods one and two are respectively slidably installed inside the slide rails one and two.

[0008] In the above-mentioned plastic pressing and forming device for daily-use ceramic processing, a first rack is fixedly installed at the bottom of one of the sliding rods one, and a second rack is fixedly installed at the top of one of the sliding rods two. A first motor is fixedly installed on the side wall of the machine frame. The output shaft of the first motor is fixedly connected with an intermittent gear. Both the first rack and the second rack are engaged with the intermittent gear.

[0009] In the above-mentioned plastic pressing and forming device for daily-use ceramic processing, a support rod is integrally formed on the side wall of the cutting knife. A first chute is opened on the side wall of the slide rail one. The support rod is slidably installed at the bottom of the slide rail one and inside the first chute.

[0010] In the above-mentioned plastic pressing and forming device for daily-use ceramic processing, rollers are integrally formed on the side wall of the spray pipe. The rollers abut against the top of the lower die base. A water pipe is fixedly connected to the side wall of the spray pipe. The water pipe is located outside the lower sliding frame.

[0011] In the above-mentioned plastic pressing and forming device for daily-use ceramic processing, a rotating hole is opened on the side wall of the material receiving groove. A convex rod is integrally formed on the side wall of the discharge plate. The convex rod is rotatably installed inside the rotating hole. A plurality of uniformly distributed tooth surfaces are opened on the side wall of the discharge plate close to the lower die base.

[0012] In the above-mentioned plastic pressing and forming device for daily-use ceramic processing, an electric push rod is fixedly installed at the bottom of the lower sliding frame. The output end of the electric push rod is fixedly connected to the side wall of the second supporting plate.

[0013] In the above-mentioned plastic pressing and forming device for daily-use ceramic processing, a telescopic cylinder is fixedly installed on the top of the machine frame. The output end of the telescopic cylinder is fixedly connected to the upper die base. A material receiving bucket is placed below the machine frame. The material receiving bucket is located below the lower sliding frame. An air pipe is fixedly connected to the top of the upper die base.

[0014] Compared with the existing technologies, the beneficial effects of the present invention are as follows:

[0015] 1. When the upper die base and the lower die base are opened, the lower carriage drives the nozzle and the discharge plate to move, so that the rollers contact the side wall of the lower die base and rotate. The release agent is sprayed into the interior of the lower die base and the bottom of the mold through the nozzle, avoiding manual intervention and improving the safety during manual operation. The side wall of the lower die base drives the discharge plate to vibrate, and through the vibration of the discharge plate, the waste adhered above is further discharged, preventing the waste from accumulating in the receiving trough.

[0016] 2. During the mold closing process, the upper carriage drives the cutting knife and the first support plate to move. After the upper carriage and the lower die base correspond to each other, the cutting knife drives the first support plate to move upward, so that the cutting knife cuts off the flash waste of the mold, improving the finished product quality of the mold. At the same time, the first support plate drives the tray to contact the bottom of the mold, preventing the mold from deforming due to dropping during mold removal.

[0017] 3. When the upper die base and the lower die base are closed, the lower carriage drives the nozzle and the flash waste to move out of the lower die base, so that the rollers contact the side wall of the lower die base and rotate. The release agent is sprayed onto the bottom of the upper die base and the top of the second support plate through the nozzle, avoiding manual intervention and improving the safety during manual operation. After the discharge plate moves out of the lower die base, the discharge plate rotates to discharge the flash waste, preventing the waste from accumulating in the receiving trough. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a three-dimensional structural schematic diagram of the present invention;

[0019] Figure 2 is a cross-sectional view of the overall structure of the present invention;

[0020] Figure 3 is a partial schematic diagram of the overall structure of the present invention;

[0021] Figure 4 is a structural schematic diagram of the frame in the present invention;

[0022] Figure 5 is an exploded schematic diagram of the material taking assembly in the present invention;

[0023] Figure 6 is a structural schematic diagram of the feeding assembly in the present invention;

[0024] Figure 7 is a structural schematic diagram of the discharge plate in the present invention;

[0025] Figure 8 is a structural schematic diagram of the lower carriage in the present invention.

[0026] In the figure: 1. Frame; 11. First motor; 111. Intermittent gear; 12. Material receiving barrel; 13. Support frame; 131. First slide rail; 132. First chute; 133. Second slide rail; 14. Telescopic cylinder; 141. Upper die holder; 142. Lower die holder; 143. Air pipe; 21. Upper sliding frame; 211. Cutting knife; 212. First support plate; 213. Support rod; 214. First slide bar; 215. First rack; 216. First spring; 217. Second spring; 22. Lower sliding frame; 221. Material receiving groove; 222. Spray pipe; 223. Roller; 224. Second slide bar; 225. Second rack; 226. Rotating hole; 227. Material discharging groove; 228. Spray groove; 23. Discharge plate; 231. Tooth surface; 232. Electric push rod; 233. Second support plate; 234. Convex rod; 235. Water pipe. Specific implementation mode

[0027] 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.

[0028] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0029] Refer to Figure 1 - Figure 8 As shown in the figure, a plastic pressing and forming device for daily-use ceramic processing includes a frame 1, an upper die holder 141 and a lower die holder 142. The lower die holder 142 is fixedly installed above the frame 1, the upper die holder 141 is slidably installed above the lower die holder 142, and a feeding component and a mold taking component are respectively movably installed on both sides of the lower die holder 142. The feeding component includes a lower sliding frame 22, a spray pipe 222, a discharge plate 23 and a second support plate 233. The lower sliding frame 22 is located above the lower die holder 142 and is slidably installed above the frame 1. A spray groove 228 and a material discharging groove 227 are formed on the side wall of the lower sliding frame 22. The spray pipe 222 is rotatably installed inside the spray groove 228. The second support plate 233 is slidably installed at the bottom of the spray groove 228 and the material discharging groove 227. The second support plate 233 is located below the spray pipe 222. A material receiving groove 221 is formed outside the spray groove 228 and the material discharging groove 227. The discharge plate 23 is rotatably installed inside the material receiving groove 221;

[0030] The modulo component includes an upper sliding carriage 21, a cutting knife 211 and a first supporting plate 212. A supporting frame 13 is integrally formed on the side wall of the frame 1. The upper sliding carriage 21 is located between the lower sliding carriage 22 and the upper die base 141 and is slidably installed above the supporting frame 13. The cutting knife 211 is slidably installed outside the upper sliding carriage 21. The first supporting plate 212 is located above the upper sliding carriage 21. A first spring 216 is provided between the bottom of the cutting knife 211 and the upper sliding carriage 21, and a second spring 217 is provided between the bottom of the cutting knife 211 and the first supporting plate 212.

[0031] As Figures 3 - 6 shown, sliding rods 214 and 224 are integrally formed on the side walls of both sides of the upper sliding carriage 21 and the lower sliding carriage 22 respectively. Slide rails 131 and 133 are respectively provided on the side wall of the supporting frame 13 and the top of the frame 1. The sliding rods 214 and 224 are respectively slidably installed inside the slide rails 131 and 133. A first rack 215 is fixedly installed at the bottom of one of the sliding rods 214, and a second rack 225 is fixedly installed at the top of one of the sliding rods 224. A first motor 11 is fixedly installed on the side wall of the frame 1. The output shaft of the first motor 11 is fixedly connected with an intermittent gear 111. Both the first rack 215 and the second rack 225 are engaged with the intermittent gear 111.

[0032] Among them, the working principles of the upper sliding carriage 21 and the lower sliding carriage 22 are as follows: when the upper die base 141 slides upward, the first motor 11 starts and rotates forward, so that the intermittent gear 111 meshes with the second rack 225, and the lower sliding carriage 22 moves toward the lower die base 142. When the lower sliding carriage 22 corresponds to the lower die base 142, the intermittent gear 111 moves away from the second rack 225 and meshes with the first rack 215, so that the upper sliding carriage 21 moves toward the lower die base 142. When the upper sliding carriage 21 corresponds to the lower sliding carriage 22, the first motor 11 stops rotating. At this time, the first motor 11 drives the intermittent gear 111 to rotate one circle. When the upper die base 141 slides downward, the first motor 11 starts and rotates backward one circle, so that the intermittent gear 111 drives the upper sliding carriage 21 and the lower sliding carriage 22 to move away from the lower die base 142 in sequence.

[0033] As Figure 3 and Figure 5 shown, a supporting rod 213 is integrally formed on the side wall of the cutting knife 211. A first chute 132 is provided on the side wall of the slide rail 131. The supporting rod 213 is slidably installed at the bottom of the slide rail 131 and inside the first chute 132.

[0034] Among them, the working principle of the cutting knife 211 is as follows: during the process of the upper carriage 21 moving downward towards the lower die holder 142, the upper carriage 21 drives the cutting knife 211 to move, causing the support rod 213 to slide at the bottom of the first slide rail 131. When the upper carriage 21 corresponds to the lower carriage 22, the support rod 213 is located below the first chute 132. At this time, the first spring 216 pulls the cutting knife 211 upward, enabling the cutting knife 211 to cut off the overflow waste of the mold. A tray is placed above the first support plate 212. During the upward movement of the cutting knife 211, the cutting knife 211 drives the first support plate 212 to move upward, causing the first support plate 212 to drive the tray to abut against the mold, preventing the mold from falling and deforming during mold removal. When the mold is removed, the gravity of the mold presses down on the tray, causing the first support plate 212 to drive the cutting knife 211 to move downward. At this time, the support rod 213 slides out of the first chute 132.

[0035] As Figure 2 , Figure 6 and Figure 8 As shown, a roller 223 is integrally formed on the side wall of the spray pipe 222. The roller 223 abuts against the top of the lower die holder 142. A water pipe 235 is fixedly connected to the side wall of the spray pipe 222. The water pipe 235 is located outside the lower carriage 22. An electric push rod 232 is fixedly installed at the bottom of the lower carriage 22. The output end of the electric push rod 232 is fixedly connected to the side wall of the second support plate 233.

[0036] Among them, the working principle of the spray pipe 222 is as follows: a blank is placed above the second support plate 233. When the lower carriage 22 moves downward towards the lower die holder 142, the roller 223 abuts against the top of the lower die holder 142, causing the roller 223 to drive the spray pipe 222 to rotate. At this time, the spray pipe 222 sprays a demoulding agent into the interior of the lower die holder 142 and onto the bottom of the mold, preventing the bottom of the mold from adhering to the upper part of the tray. When the lower carriage 22 stops moving, the spray pipe 222 stops rotating and closes. At this time, the electric push rod 232 is activated and contracts, and the second support plate 233 moves towards the spray groove 228, causing the blank to fall into the interior of the lower die holder 142. The second support plate 233 is located below the spray pipe 222. When the lower carriage 22 moves away from the lower die holder 142, the roller 223 drives the spray pipe 222 to rotate again, causing the spray pipe 222 to spray a demoulding agent onto the bottom of the upper die holder 141 and the top of the second support plate 233, preventing the blank from adhering to the upper part of the second support plate 233 during the blanking process.

[0037] As Figure 2 , Figure 7 and Figure 8 As shown, a rotating hole 226 is formed in the side wall of the material receiving groove 221. A convex rod 234 is integrally formed on the side wall of the discharge plate 23. The convex rod 234 is rotatably installed inside the rotating hole 226. A plurality of uniformly distributed tooth surfaces 231 are formed on the side wall of the discharge plate 23 close to the lower die holder 142. A material receiving bucket 12 is placed below the frame 1. The material receiving bucket 12 is located below the lower carriage 22.

[0038] Among them, the working principle of the blanking plate 23 is as follows: when the lower slide 22 moves towards the lower die base 142, the blanking plate 23 moves along with the lower slide 22. When the lower die base 142 touches the side wall of the blanking plate 23, the blanking plate 23 rotates towards the lower slide 22, so that the blanking plate 23 moves into the inside of the material receiving groove 221. During the rotation of the blanking plate 23, the side wall of the lower die base 142 touches the tooth surface 231, causing the blanking plate 23 to vibrate. Through the vibration of the blanking plate 23, the waste adhered above the blanking plate 23 is discharged. When the lower slide 22 moves away from the lower die base 142, the blanking plate 23 moves along with the lower slide 22. When the lower die base 142 touches the tooth surface 231, the blanking plate 23 rotates and vibrates towards the material receiving barrel 12, so that the blanking plate 23 discharges the waste.

[0039] Such as Figure 1 and Figure 2 As shown, a telescopic cylinder 14 is fixedly installed at the top of the frame 1. The output end of the telescopic cylinder 14 is fixedly connected to the upper die base 141, and an air pipe 143 is fixedly connected to the top of the upper die base 141.

[0040] Among them, the mold is adsorbed below the upper die base 141. When the air pipe 143 inflates between the mold and the upper die base 141, the mold is demolded.

[0041] The specific working principle and usage method of the present invention are explained in detail as follows: After the blank and the tray are manually placed above the second supporting plate 233 and the first supporting plate 212 respectively, the telescopic cylinder 14 is activated and drives the upper die holder 141 to move upward. At this time, the first motor 11 is activated and rotates forward, and the lower carriage 22 moves towards the lower die holder 142. The lower die holder 142 abuts against the side wall of the discharge plate 23, causing the discharge plate 23 to move into the material collection groove 221. During the movement, the waste adhered above the discharge plate 23 is discharged through vibration. After the roller 223 abuts against the top of the lower die holder 142, the roller 223 drives the spray pipe 222 to rotate, causing the spray pipe 222 to spray the release agent into the interior of the lower die holder 142 and the bottom of the mold, preventing the bottom of the mold from adhering to the upper side of the tray. When the lower carriage 22 stops moving, the spray pipe 222 stops rotating and closes. At this time, the electric push rod 232 is activated and contracts, and the second supporting plate 233 moves towards the spray groove 228, causing the blank to fall into the interior of the lower die holder 142. The second supporting plate 233 is located below the spray pipe 222. At this time, the upper carriage 21 moves towards the lower die holder 142, and the upper carriage 21 drives the cutting knife 211 to move. When the upper carriage 21 and the lower carriage 22 correspond to each other, the first spring 216 pulls the cutting knife 211 upward, causing the cutting knife 211 to cut off the overflow waste of the mold. The overflow waste falls above the discharge plate 23. At the same time, the cutting knife 211 drives the first supporting plate 212 to move upward, causing the first supporting plate 212 to drive the tray to abut against the mold, preventing the mold from deforming when removing the mold. The air pipe 143 inflates between the mold and the upper die holder 141, causing the mold to be demolded. The gravity of the mold presses down on the tray, causing the first supporting plate 212 to drive the cutting knife 211 to move downward. At this time, the support rod 213 slides out of the first chute 132. The first motor 11 is activated and rotates in reverse, and the telescopic cylinder 14 is activated and drives the upper die holder 141 to move downward. The upper carriage 21 moves away from the lower die holder 142, causing the mold to move out of the upper die holder 141 and the lower die holder 142. After the upper carriage 21 moves away from the lower die holder 142, the lower carriage 22 moves away from the lower die holder 142. The roller 223 drives the spray pipe 222 to rotate again, causing the spray pipe 222 to spray the release agent onto the bottom of the upper die holder 141 and the top of the second supporting plate 233, preventing the blank from adhering to the upper side of the second supporting plate 233 during the feeding process. When the lower die holder 142 abuts against the tooth surface 231, the discharge plate 23 rotates and vibrates towards the material collection bucket 12, causing the discharge plate 23 to discharge the waste. After the lower carriage 22 moves away from the lower die holder 142, the electric push rod 232 is activated and extends, causing the second supporting plate 233 to return to its original position.

[0042] Further explanation, the above fixed connection, unless otherwise clearly specified and limited, should be understood in a broad sense. For example, it can be welding, gluing, or integrally formed setting, etc., which are common means well-known to those skilled in the art.

[0043] The above are only the preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, making equivalent substitutions or changes, shall be covered by the protection scope of the present invention.

Claims

1. A plastic compression molding device for daily-use ceramic processing, comprising a frame (1), an upper die base (141) and a lower die base (142), characterized in that: The lower die base (142) is fixedly installed above the frame (1), the upper die base (141) is slidably installed above the lower die base (142), a loading component and a mold taking component are respectively movably installed on both sides of the lower die base (142), the loading component includes a lower slide frame (22), a spray pipe (222), a discharge plate (23) and a second support plate (233), the lower slide frame (22) is located above the lower die base (142) and is slidably installed above the frame (1), a spray groove (228) and a blanking groove (227) are formed in the side wall of the lower slide frame (22), the spray pipe (222) is rotatably installed inside the spray groove (228), the second support plate (233) is slidably installed at the bottom of the spray groove (228) and the blanking groove (227), the second support plate (233) is located below the spray pipe (222), a material receiving groove (221) is formed outside the spray groove (228) and the blanking groove (227), and the discharge plate (23) is rotatably installed inside the material receiving groove (221); The mold taking component includes an upper slide frame (21), a cutting knife (211) and a first support plate (212), a support frame (13) is integrally formed on the side wall of the frame (1), the upper slide frame (21) is located between the lower slide frame (22) and the upper die base (141) and is slidably installed above the support frame (13), the cutting knife (211) is slidably installed outside the upper slide frame (21), the first support plate (212) is located above the upper slide frame (21), a first spring (216) is arranged between the bottom of the cutting knife (211) and the upper slide frame (21), and a second spring (217) is arranged between the bottom of the cutting knife (211) and the first support plate (212).

2. The plastic pressing forming device for daily-use ceramic processing according to claim 1, characterized in that: First slide rods (214) and second slide rods (224) are integrally formed on the side walls of both sides of the upper slide frame (21) and the lower slide frame (22) respectively, a first slide rail (131) and a second slide rail (133) are respectively formed on the top of the support frame (13) and the frame (1), and the first slide rods (214) and the second slide rods (224) are respectively slidably installed inside the first slide rail (131) and the second slide rail (133).

3. The plastic pressing and forming device for daily-use ceramics processing according to claim 2, characterized in that: A first rack (215) is fixedly installed at the bottom of one of the first slide rods (214), a second rack (225) is fixedly installed at the top of one of the second slide rods (224), a first motor (11) is fixedly installed on the side wall of the frame (1), an output shaft of the first motor (11) is fixedly connected with an intermittent gear (111), and both the first rack (215) and the second rack (225) are meshed with the intermittent gear (111).

4. The plastic pressing and forming device for daily-use ceramic processing according to claim 2, wherein: A support rod (213) is integrally formed on the side wall of the cutting knife (211), a first chute (132) is formed on the side wall of the first slide rail (131), and the support rod (213) is slidably installed at the bottom of the first slide rail (131) and inside the first chute (132).

5. The plastic pressing forming device for daily-use ceramic processing according to claim 1, characterized in that: The side wall of the nozzle (222) is integrally formed with rollers (223), the rollers (223) abut against the top of the lower die base (142), the side wall of the nozzle (222) is fixedly connected with a water pipe (235), and the water pipe (235) is located outside the lower carriage (22).

6. The plastic pressing and forming device for daily-use ceramic processing according to claim 1, wherein: A rotating hole (226) is formed in the side wall of the material receiving groove (221), a convex rod (234) is integrally formed on the side wall of the discharge plate (23), the convex rod (234) is rotatably installed inside the rotating hole (226), and a plurality of uniformly distributed tooth surfaces (231) are formed in the side wall of the discharge plate (23) close to the lower die base (142).

7. The plastic pressing and forming device for daily-use ceramics processing according to claim 1, wherein: An electric push rod (232) is fixedly installed at the bottom of the lower carriage (22), and the output end of the electric push rod (232) is fixedly connected with the side wall of the second support plate (233).

8. The plastic pressing forming device for daily-use ceramic processing according to claim 1, characterized in that: A telescopic cylinder (14) is fixedly installed at the top of the machine frame (1), the output end of the telescopic cylinder (14) is fixedly connected with the upper die base (141), a material receiving bucket (12) is placed below the machine frame (1), the material receiving bucket (12) is located below the lower carriage (22), and an air pipe (143) is fixedly connected to the top of the upper die base (141).

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