CN116766503A

CN116766503A - PVC and PP hard board mould

Info

Publication number: CN116766503A
Application number: CN202210204824.5A
Authority: CN
Inventors: 李澳; 丁鑫玉
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-03
Filing date: 2022-03-03
Publication date: 2023-09-19

Abstract

The invention relates to the field of dies, in particular to a PVC and PP hard plate die which comprises a shell, wherein a groove is formed in the center of the top of the shell, connecting blocks are fixedly connected to wall plates at the centers of the tops of two sides of the groove, a transverse column is fixedly connected between the two connecting blocks, the top of the transverse column is fixedly connected with a fixing frame, the fixing frame is fixedly connected with a servo motor, and the servo motor is positioned right above the groove at the center of the shell. The special annular die is used for solving the defect that the existing PVC and PP hard plate die exists when the special annular die is used for producing PVC and PP hard plates with different thicknesses, the existing PVC and PP hard plate die is often realized by enabling the die to be adjustable in height, but burrs on the PVC and PP hard plates are caused due to the adjustment of the die, and secondary treatment is needed after the PVC and PP hard plates are produced, so that the die is quite troublesome, and time and labor are wasted.

Description

PVC and PP hard board mould

Technical Field

The invention relates to the field of dies, in particular to a PVC and PP hard plate die.

Background

The existing PVC and PP hard plate die consists of a lower die body, a lower movable die lip, an upper die body, an adjustable choke rod and an upper movable die lip.

However, existing hard board molds for PVC and PP still have certain drawbacks when used, especially for some special environments, such as: when PVC and PP hard plates with different thicknesses are produced, the existing PVC and PP hard plate dies are often realized by adjusting the heights of the dies, and when the dies are adjusted for the PVC and PP hard plates with different thicknesses, gaps exist between the movable dies and the fixed dies in the adjustable dies, and the gaps are gradually increased due to frequent friction damage among the dies along with the increase of the service time, so that burrs are formed on the PVC and PP hard plates formed by injection molding, and secondary treatment is needed after the PVC and PP hard plates are produced.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a PVC and PP hard plate mould.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a PVC and PP hard board mould, includes the casing, equal fixedly connected with connecting block on the top center department wallboard of recess and recess both sides is seted up to the top center department of casing, fixedly connected with diaphragm between two connecting blocks, the top fixedly connected with mount of diaphragm, mount fixedly connected with servo motor, servo motor is located directly over the recess of casing center department, servo motor runs through fixedly connected with lead screw on the output shaft of diaphragm and servo motor, the silk shell has been cup jointed to the screw outside screw thread, silk shell and lead screw rotate and are connected with drive assembly, drive assembly rotates and is connected with mould and lower mould, go up mould and the equal sliding connection of lower mould in the inside of casing, the top side fixedly connected with scale of last mould, scale sliding connection fixed plate, fixed plate fixedly connected with is inboard at the casing top, the scale rotates and is connected with deburring subassembly, the subassembly swing joint has the fixed subassembly immediately, the casing is close to the wallboard of scale side and is gone up to have the discharge gate, go up the joint has locating plate, mould and lower mould is connected with the top fixedly connected with the flexible silk shell, the flexible mould is kept away from on one side of mould, the top fixedly connected with the flexible mould is kept away from at one side of mould.

Preferably, the transmission assembly comprises a sleeve, a piston, an air groove, a connecting pipe, a top plate, a guide pipe, a U-shaped pipe, a first sliding column, a first spring and a fixed block, wherein the piston is fixedly connected to the bottom of a screw rod, the air groove is arranged in the screw sleeve, the air groove is in sliding connection with the piston, the bottom of the air groove is communicated with the connecting pipe arranged in the upper die, one end of the connecting pipe, which is far away from the air groove, is communicated with the guide pipe in an inverted U shape, the top of the U-shaped pipe penetrates through the bottom of the upper die, the center of the bottom of the lower die is fixedly connected with the sleeve, the first sliding column is fixedly connected with the first sliding column in a sleeved mode, the middle section of the first sliding column is fixedly connected with the fixed block, two ends of the first spring are respectively fixedly connected to the wall plate at the inner top of the sleeve, the top plate is fixedly connected to the bottom of the first sliding column in the inner bottom of the shell, the top plate is fixedly connected to the top plate of the lower die, the center of the bottom of the lower die is communicated with the bottom of the sleeve, the U-shaped pipe is communicated with the bottom of the U-shaped pipe, the first sliding column is far away from the top plate, and one end of the cavity of the lower die is communicated with the sleeve.

Preferably, the trimming assembly comprises an upper blade, a lower blade, a sliding rod, a sliding plate, a first cross rod, a second spring, a limiting rod, a diamond column and a diamond sliding column, wherein the upper blade and the lower blade are respectively arranged on one side, close to the inside of the shell, of the upper end and the lower end of the discharging hole, the upper blade is fixedly connected to a wall plate at the top of the discharging hole, the sliding rod is connected to the wall plate below the discharging hole in a sliding manner, the sliding rod is fixedly connected to the sliding plate at the top of the sliding rod, the lower blade is fixedly connected to one side, close to the inside of the shell, of the sliding rod, the first cross rod is fixedly connected to the bottom center of the first cross rod, the limiting rod is connected to the inside of the shell in a sliding manner, the second spring is sleeved on the limiting rod, the upper end and the lower end of the second spring are respectively fixedly connected to the wall plate at the inner side of the first cross rod and the shell, the diamond column is fixedly connected to the two sides of the top of the scale, the diamond column is far away from the diamond column, the diamond sliding column is fixedly connected to the side wall plate of the shell, the diamond column is connected to the side of the shell, the diamond column is fixedly connected to the side of the diamond column, and the first cross rod is connected to the diamond column.

Preferably, the ejection assembly comprises a telescopic rod, a push plate, a telescopic block, a storage groove, a limiting plate, a third spring, a second sliding column and a switch, wherein the telescopic motor is fixedly connected with the telescopic rod, one end of the telescopic rod, which is far away from the telescopic motor, is fixedly connected with the push plate, the limiting plate is slidably connected with the push plate, the third spring is fixedly connected with the top of the limiting plate, the upper end and the lower end of the third spring are respectively fixedly connected onto the inner wall plate of the push plate and the limiting plate, the second sliding column is fixedly connected with the bottom of the limiting plate, one end of the second sliding column, which is far away from the limiting plate, is fixedly connected with the telescopic block, the storage groove is formed in one end of the push plate, the telescopic block is movably stored in the storage groove, the section of the telescopic block is triangular, the telescopic block is in sliding connection with the wall plate of the end of the discharge port, and the telescopic block is rotationally connected with the fastening assembly.

Preferably, the tight subassembly of deciding includes U-shaped board, fourth spring, solid fixed ring, connecting rod, friction pad, slide bar, montant and second horizontal pole, U-shaped board fixed connection is on the wallboard of casing side and the U-shaped board is located the below of discharge gate, U-shaped board sliding connection has the slide bar, gu fixedly connected with solid fixed ring on the slide bar, gu fixed ring is located the inboard of U-shaped board, the fourth spring has been cup jointed on the slide bar, the both ends of fourth spring are fixed connection respectively on U-shaped board and solid fixed ring, slide bar and the wallboard sliding connection of casing, the tip fixedly connected with friction pad of slide bar, friction pad and slide bar frictional connection, the one end fixedly connected with connecting rod of friction pad is kept away from to the slide bar, the one end fixedly connected with montant of slide bar is kept away from to the connecting rod, one end fixedly connected with second horizontal pole of connecting rod is kept away from to the montant, second horizontal pole and expansion block rotate to be connected.

Preferably, the fourth spring has a larger spring force than the second spring.

The invention has the beneficial effects that:

according to the device, after the PVC and PP hard plates are subjected to injection molding, the upper blade and the lower blade effectively cut the PVC and PP hard plates, and the lower blade moves along with the graduated scale to make the distance between the upper blade and the lower blade the same as the thickness of the plate body subjected to injection molding through the linkage of the graduated scale and the trimming assembly, so that the trimming accuracy is effectively ensured, the defect of secondary treatment on the PVC and PP hard plates is avoided, and the efficiency is improved.

2, through the design of the ejection assembly, the PVC and PP hard plates can be effectively ejected out of the device after being produced, meanwhile, a power source can be provided for the trimming assembly, the trimming and polishing efficiency of the trimming assembly on the PVC and PP hard plates is effectively improved, and meanwhile, through the design of the graduated scale, the device can be used for effectively producing the PVC and PP hard plates with different thicknesses.

The lower die always applies a force to the PVC and PP hard plates when injection molding, demolding and trimming are carried out by the aid of the transmission assembly, meanwhile, the lower die effectively plays a supporting role on the PVC and PP hard plates when trimming is carried out, and the PVC and PP hard plates are effectively prevented from being adhered to the upper die and the lower die when demolding is carried out on the PVC and PP hard plates.

Drawings

The invention will be further described with reference to the drawings and examples.

FIG. 1 is a schematic diagram showing the overall structure of a PVC and PP hard sheet mold according to a preferred embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of the A-A section structure shown in FIG. 1;

FIG. 3 is a schematic cross-sectional view of the portion B-B shown in FIG. 1;

FIG. 4 is an enlarged schematic view of portion C shown in FIG. 2;

FIG. 5 is a side view of the structure of the present invention;

fig. 6 is a cross-sectional view of the push plate shown in fig. 2.

In the figure: 1. a housing; 10. a fixing plate; 11. a telescopic motor; 12. a connecting block; 13. a cross column; 14. a servo motor; 15. a fixing frame; 16. a graduated scale; 17. a screw rod; 18. a silk sleeve; 19. a lower die; 2. a transmission assembly; 20. a sleeve; 21. a piston; 22. an air tank; 23. a connecting pipe; 24. a top plate; 25. a conduit; 26. a U-shaped tube; 27. a first sliding column; 28. a first spring; 29. a fixed block; 3. trimming the assembly; 31. an upper blade; 32. a lower blade; 33. a slide bar; 34. a slide plate; 35. a first cross bar; 36. a second spring; 37. a limit rod; 38. diamond columns; 39. a diamond-shaped strut; 4. an ejection assembly; 41. a telescopic rod; 42. a push plate; 43. a telescopic block; 44. a storage groove; 45. a limiting plate; 46. a third spring; 47. a second sliding column; 48. a switch; 5. a tightening assembly; 51. a U-shaped plate; 52. a fourth spring; 53. a fixing ring; 54. a connecting rod; 55. a friction pad; 56. a slide bar; 57. a vertical rod; 58. a second cross bar; 6. a discharge port; 61. an injection molding port; 62. a positioning plate; 63. and (5) upper die.

Detailed Description

The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.

As shown in fig. 1-6, the PVC and PP hard plate mold according to the present invention includes a housing 1, a groove is formed in the top center of the housing 1, connecting blocks 12 are fixedly connected to the wall plates at the top centers of the two sides of the groove, a cross column 13 is fixedly connected between the two connecting blocks 12, a fixing frame 15 is fixedly connected to the top of the cross column 13, a servo motor 14 is fixedly connected to the fixing frame 15, the servo motor 14 is located right above the groove at the center of the housing 1, the servo motor 14 penetrates through the cross column 13 and is fixedly connected to a screw rod 17 on an output shaft of the servo motor 14, a wire sleeve 18 is sleeved on an outer side thread of the screw rod 17, the wire sleeve 18 is slidably connected with the connecting blocks 12, an upper mold 63 is fixedly connected to a bottom end of the wire sleeve 18, the wire sleeve 18 and the screw rod 17 are rotatably connected with a transmission assembly 2, the transmission assembly 2 is rotatably connected with an upper mold 63 and a lower mold 19, the upper mold 63 and the lower mold 19 are slidably connected to the lower mold 19, the upper mold 19 and the lower mold 19 are fixedly connected to the inside the housing 1, the top side of the upper mold 63 is fixedly connected to a scale 16, the scale 16 is slidably connected to the scale 16, the inner side of the servo motor 14 is fixedly connected to the fixed above the groove, the servo motor 14 penetrates through the cross column 13 and is fixedly connected to an output shaft of the servo motor 14, the screw rod 17, the wire sleeve is fixedly connected to the output shaft of the screw rod 17, the upper side of the upper mold 6 is fixedly connected to the scale 16 is fixedly connected to the upper side 6, and the upper end of the upper mold 6 is fixedly connected to the upper side of the upper mold 6 and the upper mold 6 is fixedly connected to the upper end and the upper end of the upper mold 12 and 3 and lower end of the upper end has a guide plate is 3 and lower end of the upper end is 3 and lower end of the upper guide plate 12 and 3.

The transmission assembly 2 comprises a sleeve 20, a piston 21, an air groove 22, a connecting pipe 23, a top plate 24, a guide pipe 25, a U-shaped pipe 26, a first sliding column 27, a first spring 28 and a fixed block 29, wherein the piston 21 is fixedly connected to the bottom of a screw rod 17, the air groove 22 is arranged in the screw sleeve 18, the air groove 22 is in sliding connection with the piston 21, the bottom of the air groove 22 is communicated with the connecting pipe 23 arranged in the upper die 63, one end of the connecting pipe 23 far away from the air groove 22 is communicated with the inverted U-shaped guide pipe 25, the top of the U-shaped of the guide pipe 25 penetrates through the bottom of the upper die 63, the bottom center of the lower die 19 is fixedly connected with the sleeve 20, the first sliding column 27 is fixedly connected to the inside of the sleeve 20, the first sliding column 27 is sleeved on the first sliding column 27, two ends of the first spring 28 are fixedly connected to a wall plate at the top in the sleeve 20 and the fixed block 29, the bottom of the first sliding column 27 is fixedly connected to a wall plate in the bottom of the inner bottom of the shell 1, the top center of the lower die 19 is fixedly connected with the top plate 24, and one end of the sleeve 20 far away from the U-shaped pipe 26 is communicated with the top plate 20.

The trimming assembly 3 comprises an upper blade 31, a lower blade 32, a sliding rod 33, a sliding plate 34, a first cross rod 35, a second spring 36, a limiting rod 37, a diamond-shaped column 38 and a diamond-shaped sliding column 39, wherein the upper blade 31 and the lower blade 32 are respectively arranged on one side, close to the inside of the shell 1, of the upper end and the lower end of the discharge port 6, the upper blade 31 is fixedly connected to a wallboard at the top of the discharge port 6, the sliding rod 33 is connected to a wallboard below the discharge port 6 in a sliding manner, the sliding plate 34 is fixedly connected to the top of the sliding rod 33, the lower blade 32 is fixedly connected to one side, close to the inside of the shell 1, of the bottom of the sliding plate 34, the first cross rod 35 is fixedly connected to the bottom of the sliding rod 33, the center of the bottom of the first cross rod 35 is fixedly connected with the limiting rod 37, the limiting rod 37 is connected to the inside of the shell 1 in a sliding manner, the second spring 36 is sleeved on the limiting rod 37, the upper end and the lower end of the second spring 36 are respectively fixedly connected to the first cross rod 35 and the inner wallboard of the shell 1, the two sides of the top of the scale 16 are fixedly connected to the diamond-shaped column 38, one end, far away from the diamond-shaped column 38, of the side of the scale 16 is fixedly connected to the diamond-shaped column 39, and the diamond-shaped column 39 is connected to the side of the diamond-shaped sliding column 39, and the diamond-shaped column 39 is connected to the side of the diamond-shaped column 39.

The ejection assembly 4 comprises a telescopic rod 41, a push plate 42, a telescopic block 43, a storage groove 44, a limiting plate 45, a third spring 46, a second sliding column 47 and a switch 48, wherein the telescopic rod 41 is fixedly connected with the telescopic motor 11, one end of the telescopic rod 41, which is far away from the telescopic motor 11, is fixedly connected with the push plate 42, the limiting plate 45 is slidably connected with the inside of the push plate 42, the third spring 46 is fixedly connected with the top of the limiting plate 45, the upper end and the lower end of the third spring 46 are respectively fixedly connected with the inner wall plate of the push plate 42 and the limiting plate 45, the bottom of the limiting plate 45 is fixedly connected with a second sliding column 47, one end, which is far away from the limiting plate 45, of the second sliding column 47 is fixedly connected with the telescopic block 43, one end of the push plate 42 is provided with the storage groove 44, the telescopic block 43 is movably stored in the storage groove 44, the section of the telescopic block 43 is triangular, the telescopic block 43 is slidably connected with the wall plate of the end of the discharge port 6, and the telescopic block 43 is rotationally connected with the fastening assembly 5.

The fastening assembly 5 comprises a U-shaped plate 51, a fourth spring 52, a fixed ring 53, a connecting rod 54, a friction pad 55, a sliding rod 56, a vertical rod 57 and a second cross rod 58, wherein the U-shaped plate 51 is fixedly connected to a wall plate on the side edge of the shell 1, the U-shaped plate 51 is located below the discharge hole 6, the sliding rod 56 is slidably connected to the U-shaped plate 51, the fixed ring 53 is fixedly connected to the sliding rod 56, the fixed ring 53 is located on the inner side of the U-shaped plate 51, the fourth spring 52 is sleeved on the sliding rod 56, two ends of the fourth spring 52 are fixedly connected to the U-shaped plate 51 and the fixed ring 53 respectively, the sliding rod 56 is slidably connected with the wall plate of the shell 1, the friction pad 55 is in frictional connection with the sliding rod 33, one end of the sliding rod 56, which is far away from the friction pad 55, is fixedly connected with the connecting rod 54, one end of the connecting rod 54, which is far away from the sliding rod 56, is fixedly connected with the vertical rod 57, one end of the vertical rod 57, which is far away from the connecting rod 54, is fixedly connected with the second cross rod 58, and the second cross rod 58 is rotatably connected with the telescopic block 43.

Wherein the fourth spring 52 has a spring force greater than the spring force of the second spring 36.

Working principle: when the invention is used, firstly, the servo motor 14 is opened, the private clothing motor 14 drives the screw rod 17 to rotate, the screw rod drives the screw sleeve 18 to descend along with the rotation of the screw rod 17, an injection molding cavity is formed between the upper die 63 and the lower die 19 and the shell 1, the descending height is determined through the graduated scale 16, the thickness of an injection molding plate body is determined, in the process, the diamond-shaped column 38 and the diamond-shaped sliding column 39 descend along with the descending of the graduated scale 16, the first cross rod 35 in the trimming assembly 3 is pressed down by the diamond-shaped sliding column 39, the first cross rod 35 descends and drives the sliding rod 33 to descend, the sliding plate 34 is further driven to descend, the lower blade 32 is further driven to descend, the distance between the upper blade 31 and the lower blade 32 is the same as the thickness of the injection molding plate body along with the descending of the lower blade, and the friction pad 55 is clamped with the sliding rod 33 under the action of the fourth spring 52 and the sliding rod 56 due to the fact that the elastic force of the fourth spring 52 is larger than the elastic force of the second spring 36, and the sliding rod 33 is not fixed when the servo motor 14 drives the upper blade 31 and the screw rod 34 to descend, and the sliding plate 32 are not driven to move upwards by the screw rod 34 and the screw rod 18.

Then the cavity formed between the shell 1 and the upper die 63 and the lower die 19 is injected through the injection port 61, in the process, along with the injection, the injection liquid material can downwards press the die 19, further the lower die 19 is lowered to the inner bottom of the shell 1, cooling is performed after injection is completed, then the wire sleeve 18 is driven to rise through the inversion of the servo motor 14, further the upper die 63 is driven to rise, in the process, the piston 21 can squeeze the air groove 22, further the air in the air groove 22 blows the injection plate body through the connecting pipe 23 and the guide pipe 25, the injection plate body is effectively prevented from being adhered to the upper die 63, then the lower die 19 is driven to rise through the elastic force of the first spring 28, in the process, the lower die 19 can drive the sleeve 20 to rise, further the air in the cavity between the fixed block 29 and the sleeve 20 is extruded, the air enters into the sliding cavity of the top plate 24 and the lower die 19 through the U-shaped pipe 26, further the top 24 is driven to rise, the adhesion of the injection plate body and the lower die 19 is prevented, and simultaneously, due to the elastic force of the first spring 28, the upper die 19 is always applied to the injection plate body.

Along with the rising of silk shell 18, the top of last mould 63 can be blocked by locating plate 62, can not continue upward movement, and the silk shell 18 can touch switch 48 simultaneously, and then make telescopic motor 11 open, telescopic motor 11 can promote telescopic link 41 to the direction motion of discharge gate 6 simultaneously, and then promote the injection molding plate body and shift out the inside of casing 1 through discharge gate 6, because the distance between last blade 31 and the lower blade 32 is the same with the thickness of injection molding plate body this moment, so when telescopic link 41 promotes the injection molding plate body outwards to move to casing 1 for last blade 31 and lower blade 32 carry out effectual trimming to the side of injection molding plate body.

Along with the extension of telescopic link 41, telescopic link 41 can promote push pedal 42 motion, and then make push pedal 42 push to discharge gate 6, push pedal 42 can promote the hard board that moulds plastics, and then make the hard board remove out casing 1 through discharge gate 6, in this process, go up blade 31 and lower blade 32 can carry out effectual cutting deburring with the hard board that moulds plastics, and then make the hard board because of the deckle edge that produces of moulding plastics is got rid of effectually, along with the extension of telescopic link 41, telescopic link 41 can drive push pedal 42 and remove to casing 1's outside, telescopic block 43 can remove push pedal 42 this moment under the effect of third spring 46, along with the progression of motion, and then make telescopic block 43 and second horizontal pole 58 contact, and then make second horizontal pole 58 drive slide bar 56 through montant 57 and connecting rod 54 and carry out effectual motion, and then make the joint separation between friction pad 55 and the slide bar 33, and then make slide bar 33 drive down blade 32 reset through slide 34, the location of moulding plastics next time of being convenient for.

The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the foregoing examples, and that the foregoing description and description are merely illustrative of the principles of this invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a PVC and PP hard board mould, includes casing (1), its characterized in that: the utility model discloses a trimming device, including casing (1), connecting block (12) are all fixedly connected with on the top center department wallboard of recess and recess both sides are offered to top center department of casing (1), fixedly connected with diaphragm (13) between two connecting blocks (12), the top fixedly connected with mount (15) of diaphragm (13), mount (15) fixedly connected with servo motor (14), servo motor (14) are located directly over the recess of casing (1) center department, servo motor (14) run through on the output shaft of diaphragm (13) and servo motor (14) fixedly connected with lead screw (17), silk shell (18) have been cup jointed to lead screw (17) outside screw thread, silk shell (18) and lead screw (17) transmission are connected with drive assembly (2), drive assembly (2) transmission is connected with mould (63) and lower mould (19), the inside at casing (1) is all sliding connection to go up mould (63) and lower mould (19), the top side fixedly connected with scale (16) of mould (63), scale (16) are connected with on the output shaft of diaphragm (13) and servo motor (14), scale (3) are connected with scale (3) in a fixed connection at top (5), the utility model discloses a shell, including casing (1), scale (16) and silk cover (18), casing (1) is close to the wallboard of scale (16) side and begins to have discharge gate (6), go up mould (63) joint and have locating plate (62), it has injection molding mouth (61) to go up one side intercommunication that scale (16) were kept away from at mould (63) top, injection molding mouth (61) and last mould (63) fixed connection, one side fixedly connected with flexible motor (11) that discharge gate (6) was kept away from to casing (1), flexible motor (11) fixedly connected with ejection of compact subassembly (4), silk cover (18) fixed connection at the top of last mould (63).

2. The PVC and PP hard sheet mold of claim 1, wherein: the transmission assembly (2) comprises a sleeve (20), a piston (21), an air groove (22), a connecting pipe (23), a top plate (24), a guide pipe (25), a U-shaped pipe (26), a first sliding column (27), a first spring (28) and a fixed block (29), wherein the piston (21) is fixedly connected to the bottom of a screw rod (17), the air groove (22) is arranged in the screw sleeve (18), the air groove (22) is in sliding connection with the piston (21), the bottom of the air groove (22) is communicated with the connecting pipe (23) arranged in the upper die (63), one end of the connecting pipe (23) far away from the air groove (22) is communicated with the guide pipe (25) in the shape of an inverted U, the bottom of the U-shaped top of the guide pipe (25) penetrates through the bottom of the upper die (63), the center of the bottom of the lower die (19) is fixedly connected with the sleeve (20), the first sliding column (27) is connected to the inside of the sleeve (20), the first spring (28) is sleeved on the first sliding column (27), the first sliding column (27) is fixedly connected to the two ends of the first sliding column (27) on the upper die (29) respectively, the bottom of first slip post (27) fixed connection is on the wallboard in the bottom in casing (1), the top center department sliding connection of lower mould (19) has roof (24), the bottom intercommunication of sleeve (20) has U-shaped pipe (26), the one end and roof (24) and the cavity intercommunication of lower mould (19) sliding connection that sleeve (20) were kept away from to U-shaped pipe (26).

3. The PVC and PP hard sheet mold of claim 2, wherein: the trimming assembly (3) comprises an upper blade (31), a lower blade (32), a slide bar (33), a slide plate (34), a first cross rod (35), a second spring (36), a limit rod (37), a diamond column (38) and a diamond slide column (39), wherein the upper blade (31) and the lower blade (32) are respectively arranged at one side, close to the inside of the shell (1), of the upper end and the lower end of the discharge hole (6), the upper blade (31) is fixedly connected to a wallboard at the top of the discharge hole (6), the slide bar (33) is connected to a wallboard below the discharge hole (6) in a sliding manner, the slide plate (34) is fixedly connected to the top of the slide bar (33), the lower blade (32) is fixedly connected to one side, close to the inside of the shell (1), the first cross rod (35) is fixedly connected to the bottom of the slide bar (33), the limit rod (37) is fixedly connected to the center of the bottom of the first cross rod (35), the limit rod (37) is slidingly connected to the inside of the shell (1), the slide rod (37) is fixedly connected to the two ends of the slide bar (36) on the second cross rod (36) which are fixedly connected to the two sides of the second cross rod (36), the one end that scale (16) was kept away from to diamond post (38) all fixedly connected with diamond post (39), diamond post (39) sliding connection is on the side wall board of casing (1), diamond post (39) are connected with first horizontal pole (35) transmission.

4. A PVC and PP hard sheet mold as in claim 3 wherein: the ejection assembly (4) comprises a telescopic rod (41), a push plate (42), a telescopic block (43), a containing groove (44), a limiting plate (45), a third spring (46), a second sliding column (47) and a switch (48), the telescopic motor (11) is fixedly connected with a telescopic rod (41), one end of the telescopic rod (41) far away from the telescopic motor (11) is fixedly connected with a push plate (42), a limiting plate (45) is connected in the push plate (42) in a sliding way, a third spring (46) is fixedly connected with the top of the limiting plate (45), the upper and lower ends of the third spring (46) are respectively and fixedly connected with the inner wall plate of the push plate (42) and the limit plate (45), the bottom of the limiting plate (45) is fixedly connected with a second sliding column (47), one end of the second sliding column (47) far away from the limiting plate (45) is fixedly connected with a telescopic block (43), one end part of the push plate (42) is provided with a storage groove (44), the telescopic block (43) is movably accommodated in the accommodating groove (44), the section of the telescopic block (43) is triangular, the telescopic block (43) is in sliding connection with a wall plate at the end part of the discharge hole (6), the telescopic block (43) is in transmission connection with the fastening component (5).

5. The PVC and PP hard sheet mold of claim 4, wherein: the fastening component (5) comprises a U-shaped plate (51), a fourth spring (52), a fixed ring (53), a connecting rod (54), a friction pad (55), a sliding rod (56), a vertical rod (57) and a second cross rod (58), wherein the U-shaped plate (51) is fixedly connected to a wall plate on the side edge of the shell (1) and the U-shaped plate (51) is positioned below the discharge hole (6), the sliding rod (56) is connected to the U-shaped plate (51) in a sliding manner, the fixed ring (53) is fixedly connected to the sliding rod (56), the fixed ring (53) is positioned on the inner side of the U-shaped plate (51), the fourth spring (52) is sleeved on the sliding rod (56), two ends of the fourth spring (52) are respectively fixedly connected to the U-shaped plate (51) and the fixed ring (53), the sliding rod (56) is in sliding connection with a wall plate of the shell (1), the sliding rod (56) is fixedly connected with the friction pad (55) at the end of the sliding rod (56), the sliding rod (56) is in friction connection with the sliding rod (33), one end of the sliding rod (54) away from the fixed rod (54), one end of the vertical rod (57) far away from the connecting rod (54) is fixedly connected with a second cross rod (58), and the second cross rod (58) is in transmission connection with the telescopic block (43).

6. The PVC and PP hard sheet mold of claim 5, wherein: the fourth spring (52) has a spring force greater than the spring force of the second spring (36).