CN114393750B

CN114393750B - Intelligent demolding control system for plastic mold

Info

Publication number: CN114393750B
Application number: CN202210108390.9A
Authority: CN
Inventors: 陆元庆; 黎世锋; 贺富定; 刘翻; 陆必旺
Original assignee: Shenzhen Fine Mould Co ltd
Current assignee: Sanheng Precision Industrial Shenzhen Co ltd
Priority date: 2022-01-28
Filing date: 2022-01-28
Publication date: 2022-09-23
Anticipated expiration: 2042-01-28
Also published as: CN114393750A

Abstract

The invention relates to the technical field of plastic molds, in particular to an intelligent demolding control system of a plastic mold, which comprises an installation seat, wherein connecting support rods are respectively welded on four corners of the installation seat, an upper top plate is welded at the upper ends of the connecting support rods, a liquid storage tank is fixedly installed on one side of the upper end of the upper top plate, one side of the liquid storage tank is connected with a pump body through a pipeline, the pump body is also installed on the upper top plate, a connecting hose is installed on the pump body, a fixed mold is fixedly installed on the installation seat, guide rails are symmetrically and integrally formed on the installation seats on two sides of the fixed mold, a spray pipe is arranged between a movable mold and the fixed mold, the pump body is started before the fixed mold and the movable mold are closed, so that a demolding agent is sprayed out of a spray head and is sprayed on the fixed mold and the movable mold, manual smearing is not needed, the labor consumption is reduced, and when the movable mold moves downwards and is closed with the fixed mold, the spray pipe can be driven to exit between the fixed die and the movable die, so that the closing of the fixed die and the movable die is not influenced.

Description

Intelligent demolding control system for plastic mold

Technical Field

The invention relates to the technical field of plastic molds, in particular to an intelligent demolding control system for a plastic mold.

Background

In the field of intelligent control systems, an intelligent demolding control system is a set of control system for demolding a mold, the system needs a device for supporting to fulfill the aim of the system, when the intelligent demolding control system for the plastic mold works, in order to facilitate demolding of the plastic mold, one step is to manually spray or brush a demolding agent on a fixed mold and a movable mold, so that the labor is consumed to increase the working strength of workers, personnel for coating the demolding agent are easily injured in the closing process of an injection mold, and in addition, when a plastic part is ejected out during demolding, due to the fact that the plastic part is tightly adhered to the fixed mold, the plastic part is easily ejected and bounced off, so that the personnel injury is possibly caused to the workers on one hand, and the quality of the plastic part cannot be guaranteed on the other hand, easily cause the damage of the plastic parts and cause certain economic loss.

Therefore, an intelligent demoulding control system for the plastic mould is provided to solve the defects.

Disclosure of Invention

The invention aims to provide an intelligent demoulding control system for a plastic mould, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

an intelligent demoulding control system of a plastic mould comprises a mounting seat, connecting support rods are welded on four corners of the mounting seat respectively, a top plate is welded on the upper ends of the connecting support rods, a liquid storage tank is fixedly mounted on one side of the upper end of the top plate, one side of the liquid storage tank is connected with a pump body through a pipeline, the pump body is also mounted on the top plate, a connecting hose is mounted on the pump body, a fixed die is fixedly mounted on the mounting seat, guide rails are symmetrically and integrally formed on the mounting seat on two sides of the fixed die, bearing holes are symmetrically formed in the mounting seat on the inner side of the guide rails, a vertical frame is welded at one end of the mounting seat, a through groove is formed in the vertical frame, a hydraulic rod is mounted at the lower end of the top plate, a movable die is fixedly connected with the lower end of the hydraulic rod, and two hinged frames are symmetrically welded at one end of the upper side of the movable die, the hinge frame is connected with a movable liquid spraying device, a first buffering device is installed in the bearing hole, the lower ends of the two sides of the upper top plate are symmetrically welded with welding plates, inserting holes are formed in the welding plates, and a second buffering device is installed on the welding plates.

Preferably, the movable liquid spraying device comprises a runner frame, a hinged pushing plate, a spraying pipe and a movable supporting frame, wherein the runner frame is circumferentially arranged in the through groove, a runner is arranged on the runner frame, and one end of the hinged pushing plate is hinged to the hinged frame.

Preferably, the fixed shower nozzle that is provided with of one end upper and lower symmetry of spray tube, the shower nozzle is in between cover half and the movable mould under operating condition, the other end integrated into one piece of spray tube is provided with the connecting pipe, the connecting pipe is pegged graft and is formed fixed connection in coupling hose, the spray tube is pegged graft in leading to the inslot, and is in between the runner, the both sides of spray tube are close to the fixed support column that is provided with of shower nozzle department symmetry, the end fixing of support column is provided with the hinge post, the hinge post is articulated with the other end of articulated slurcam, the welding has the connecting block on the spray tube of support column downside, the lower extreme welding of connecting block has the adapter sleeve, the trepanning has been seted up on the adapter sleeve.

Preferably, the middle position of the movable support frame is welded with a support sleeve, the support sleeve is provided with an inner cavity, two sides of the inner cavity are symmetrically provided with movable grooves, two ends of the movable support frame are symmetrically and integrally formed and provided with driving racks, the lower end of each driving rack is provided with a guide rail groove, and the guide rail groove is sleeved on the guide rail.

Preferably, an upper top spring is inserted into an inner cavity of the support sleeve, a support block is fixedly connected to the upper end of the upper top spring, moving blocks are symmetrically welded to two sides of the support block and are inserted into the moving grooves, and the upper ends of the support blocks are inserted into sleeve holes in the connection sleeves in a working state.

Preferably, first buffer is including cooperation dwang, buffering frame, first buffer spring, rubber pad and bearing, the fixed installation piece that is provided with of lower extreme of cooperation dwang, the installation piece passes through the bearing and installs in the dead eye, and the welding has the gear on the cooperation dwang of installation piece upside, the gear is in the inboard of portable support frame, and gear and drive rack mesh mutually.

Preferably, the welding of the upper end of cooperation dwang has the mounting panel, the tip bilateral symmetry welding of mounting panel has the removal cover, the upside welding of mounting panel has the spliced pole, the upper end welding of spliced pole has the push pedal, the buffering frame is located the downside of mounting panel, and the both ends symmetry of buffering frame has seted up the cylinder shifting chute, the inside welding of cylinder shifting chute has the spring guide bar, the spring guide bar is pegged graft in removing the cover, and has cup jointed first buffer spring on the spring guide bar, the lower extreme of buffering frame is provided with the rubber pad.

Preferably, the second buffer device comprises a buffer frame, a connecting spring, steel balls, a buffer sleeve, a second buffer spring and a buffer air bag, buffer rod inserting holes are symmetrically formed in two ends of the buffer frame, inserting rods are welded at the rear ends of the buffer frame and are inserted into the inserting holes in the welding plate, the connecting spring is sleeved on the inserting rods, the buffer frame is located on the inner side of the welding plate, protruding strips are integrally formed on the rear end face of the lower side of the buffer frame and are provided with steel ball grooves, and a plurality of steel balls are installed in the steel ball grooves.

Preferably, the upper end welding of cushion collar has the buffer beam, the buffer beam is pegged graft in the buffer beam spliced eye, and has cup jointed second buffer spring on the buffer beam, the cushion collar is in the downside of cushion frame, the upper end integrated into one piece of buffering gasbag is provided with the grafting piece, the grafting piece is pegged graft on the cushion collar, the cushion collar is in the both sides of buffering frame, the lower surface of buffering gasbag and the lower surface looks parallel and level of the rubber pad on the buffering frame.

Compared with the prior art, the invention has the beneficial effects that: the invention has reasonable structure and strong functionality, and has the following advantages:

1. the spray pipe is arranged between the movable mould and the fixed mould, and the pump body is started before the fixed mould and the movable mould are closed, so that the release agent is sprayed out of the spray head and is sprayed on the fixed mould and the movable mould without manual coating, the manpower consumption is reduced, and when the movable mould moves downwards and is closed with the fixed mould, the spray pipe can be driven to withdraw from between the fixed mould and the movable mould, so that the closing of the fixed mould and the movable mould is not influenced;

2. when the plastic part is demoulded, the movable mould moves upwards to separate the movable mould from the fixed mould, so that the movable mould can drive the spray head on the spray pipe to move between the movable mould and the fixed mould in the upward movement process to prepare for spraying the demoulding agent next time, and simultaneously the first buffer device and the second buffer device can be driven between the movable mould and the fixed mould in the movement process of the spray pipe, so that the plastic part can be buffered and limited when being ejected and demoulded, the plastic part is prevented from bouncing off, the plastic part can be well buffered and protected, and the personal safety of workers and the quality of the plastic part are ensured;

3. in addition, when the spray pipe moves out of the space between the fixed dies, the first buffer device is driven to rotate away from the space between the fixed dies, and meanwhile, the support of the first buffer device is lost, so that the second buffer device also moves out of the space between the fixed dies, and the smooth closing of the fixed dies is further ensured.

Drawings

FIG. 1 is a schematic view of a mount assembly;

FIG. 2 is an enlarged schematic view of FIG. 1 at A;

FIG. 3 is an exploded view of the mount assembly;

FIG. 4 is an enlarged schematic view of FIG. 3 at B;

FIG. 5 is an enlarged schematic view at C of FIG. 3;

FIG. 6 is a schematic structural view of the mounting base;

FIG. 7 is a schematic structural view of the nozzle;

FIG. 8 is a schematic structural view of the mobile supporting frame;

FIG. 9 is a schematic view of the structure of the mating rotating rods;

fig. 10 is a schematic structural view of the buffer frame.

In the figure: 1. a mounting seat; 11. connecting the supporting rods; 12. an upper top plate; 121. a liquid storage tank; 122. a pump body; 123. a connecting hose; 13. a vertical frame; 131. a through groove; 132. a wheel carrier; 133. a rotating wheel; 14. welding the plate; 15. a guide rail; 16. a hydraulic lever; 17. a bearing bore; 2. fixing a mold; 3. moving the mold; 31. a hinged frame; 32. a hinged push plate; 4. a nozzle; 41. a spray head; 42. a connecting pipe; 43. a support pillar; 44. a hinged column; 45. connecting sleeves; 451. trepanning; 5. moving the support frame; 51. a support sleeve; 511. an inner cavity; 512. a moving groove; 52. a drive rack; 521. a guide rail groove; 53. a spring is pushed up; 54. a support block; 541. a moving block; 6. a rotating rod is matched; 61. a gear; 62. mounting a plate; 621. moving the sleeve; 63. connecting columns; 64. pushing the plate; 65. a buffer frame; 651. a cylindrical moving groove; 652. a spring guide rod; 66. a first buffer spring; 67. a rubber pad; 7. a buffer frame; 71. a plug rod; 711. a connecting spring; 72. a convex strip; 73. steel balls; 74. a buffer sleeve; 741. a buffer rod; 75. a second buffer spring; 8. a bearing; 9. a buffer air bag; 91. and (6) plugging the blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1 to 10, the present invention provides a technical solution:

an intelligent demoulding control system for a plastic mould comprises a mounting base 1, connecting support rods 11 are welded on four corners of the mounting base 1 respectively, an upper top plate 12 is welded on the upper ends of the connecting support rods 11, a liquid storage tank 121 is fixedly installed on one side of the upper end of the upper top plate 12, one side of the liquid storage tank 121 is connected with a pump body 122 through a pipeline, the pump body 122 is also installed on the upper top plate 12, a connecting hose 123 is installed on the pump body 122, a fixed mould 2 is fixedly installed on the mounting base 1, guide rails 15 are symmetrically and integrally formed on the mounting base 1 on two sides of the fixed mould 2, bearing holes 17 are symmetrically formed in the mounting base 1 on the inner side of the guide rails 15, a vertical frame 13 is welded on one end of the mounting base 1, a through groove 131 is formed in the vertical frame 13, a hydraulic rod 16 is installed on the lower end of the upper top plate 12, a movable mould 3 is fixedly connected to the lower end of the hydraulic rod 16, two hinged frames 31 are symmetrically welded on one end of the upper side of the movable mould 3, the hinged frame 31 is connected with a movable liquid spraying device which comprises a wheel rotating frame 132, a hinged pushing plate 32, a spray pipe 4 and a movable supporting frame 5, the circumference of the wheel rotating frame 132 is arranged inside the through groove 131, a rotating wheel 133 is arranged on the wheel rotating frame 132, one end of the hinged pushing plate 32 is hinged on the hinged frame 31, the rotating wheel 133 has a supporting effect on the spray pipe 4 and also has a friction reducing effect, and abrasion of the vertical frame 13 on the spray pipe 4 in a long-term repeated moving process is avoided.

The fixed shower nozzle 41 that is provided with of one end of spray tube 4 upper and lower symmetry, shower nozzle 41 is in between cover half 2 and the movable mould 3 under operating condition, the other end integrated into one piece of spray tube 4 is provided with connecting pipe 42, connecting pipe 42 pegs graft and forms fixed connection in coupling hose 123, spray tube 4 pegs graft in logical groove 131, and be in between runner 133, the both sides of spray tube 4 are close to shower nozzle 41 department symmetry fixed support column 43 that is provided with, the end fixing of support column 43 is provided with articulated post 44, articulated post 44 articulates with the other end of articulated slurcam 32, and articulated slurcam 32 is higher than articulated slurcam 32 and the articulated one end of spray tube 4 all the time with articulated frame 31 articulated one end, the welding has the connecting block on the spray tube 4 of support column 43 downside, the lower extreme welding of connecting block has adapter sleeve 45, trepanning 451 has been seted up on the adapter sleeve 45.

A supporting sleeve 51 is welded in the middle of the movable supporting frame 5, an inner cavity 511 is formed in the supporting sleeve 51, moving grooves 512 are symmetrically formed in two sides of the inner cavity 511, driving racks 52 are symmetrically and integrally formed in two ends of the movable supporting frame 5, a guide rail groove 521 is formed in the lower end of the driving rack 52, the guide rail groove 521 is sleeved on the guide rail 15, an upper top spring 53 is inserted into the inner cavity 511 of the supporting sleeve 51, the inner surface of the inner cavity 511 is smooth and free of burrs, a supporting block 54 is fixedly connected to the upper end of the upper top spring 53, moving blocks 541 are symmetrically welded to two sides of the supporting block 54, the moving blocks 541 are inserted into the moving grooves 512, the upper end of the supporting block 54 is inserted into a sleeve hole 451 in the connecting sleeve 45 in a working state, in addition, two ends of the upper top spring 53 are respectively welded to the bottom of the inner cavity 511 and the lower end face of the supporting block 54, and the width of the moving blocks 541 on two sides of the supporting block 54 is equal to the width of the moving grooves 512, and the moving block 541 partially protrudes outside the moving groove 512, and the supporting block 54 plays a certain supporting role for the nozzle 4, thereby ensuring the stable movement of the nozzle 4.

The bearing hole 17 is provided with a first buffer device which comprises a matching rotating rod 6, a buffer frame 65, a first buffer spring 66, a rubber pad 67 and a bearing 8, the lower end of the matching rotating rod 6 is fixedly provided with an installation block, the installation block is installed in the bearing hole 17 through the bearing 8, the matching rotating rod 6 on the upper side of the installation block is welded with a gear 61, the gear 61 is positioned on the inner side of the movable support frame 5, the gear 61 is meshed with the driving rack 52, in addition, the upper end of the matching rotating rod 6 is welded with an installation plate 62, two sides of the end part of the installation plate 62 are symmetrically welded with movable sleeves 621, the upper side of the installation plate 62 is welded with a connecting column 63, the upper end of the connecting column 63 is welded with a push plate 64, the buffer frame 65 is positioned on the lower side of the installation plate 62, two ends of the buffer frame 65 are symmetrically provided with cylindrical movable grooves 651, and the spring guide rods 652 are welded inside the cylindrical movable grooves 651, the spring guide rod 652 is inserted into the movable sleeve 621 in an inserting manner, the spring guide rod 652 is sleeved with a first buffer spring 66, the lower end of the buffer frame 65 is provided with a rubber pad 67, in addition, the mounting plate 62 and the push plate 64 are both positioned at the outer sides of the fixed mold 2 and the movable mold 3 in a non-working state, the mounting plate 62 and the push plate 64 are both positioned between the fixed mold 2 and the movable mold 3 in a working state, the surfaces of the movable sleeve 621 arranged at two sides of the mounting plate 62 are smooth and burr-free, the spring guide rod is inserted into the cylindrical movable groove 651, the upper end and the lower end of the first buffer spring 66 are respectively welded on the groove bottom of the cylindrical movable groove 651 and the lower end face of the movable sleeve 621, and the first buffer spring 66 is in a compression state in a working state.

The lower ends of two sides of the upper top plate 12 are symmetrically welded with welding plates 14, the welding plates 14 are provided with inserting holes, the welding plates 14 are provided with second buffer devices, the second buffer devices comprise buffer frames 7, connecting springs 711, steel balls 73, buffer sleeves 74, second buffer springs 75 and buffer air bags 9, two ends of each buffer frame 7 are symmetrically provided with buffer rod inserting holes, the rear ends of the buffer frames 7 are welded with inserting rods 71, the inserting rods 71 are inserted in the inserting holes in the welding plates 14, the inserting rods 71 are sleeved with the connecting springs 711, the buffer frames 7 are positioned on the inner sides of the welding plates 14, convex strips 72 are integrally formed on the rear end faces of the lower sides of the buffer frames 7, steel ball grooves are formed in the convex strips 72, the steel balls 73 are installed in the steel ball grooves, the buffer frames 7 are positioned on the outer sides of the fixed die 2 and the movable die 3 in a non-working state, two ends of the connecting springs 711 are respectively welded on the welding plates 14 and the rear end faces of the buffer frames 7, and the connecting springs 711 are in a stretching state in a working state, the buffer frame 7 is arranged between the fixed die 2 and the movable die 3, the push plate 64 and the buffer frame 7 are in a vertical state in a working state, the front end of the push plate 64 is in contact with the steel balls 73, and the steel balls 73 are arranged for reducing friction between the push plate 64 and the convex strips 72 and facilitating the rotation of the push plate 64.

In addition, the buffer rod 741 is welded at the upper end of the buffer sleeve 74, the buffer rod 741 is inserted into the buffer rod insertion hole, the buffer rod 741 is sleeved with a second buffer spring 75, the buffer sleeve 74 is located on the lower side of the buffer frame 7, the insertion block 91 is integrally formed at the upper end of the buffer air bag 9, the insertion block 91 is inserted into the buffer sleeve 74, the buffer sleeve 74 is located on two sides of the buffer frame 65, the lower surface of the buffer air bag 9 is flush with the lower surface of the rubber pad 67 on the buffer frame 65, two ends of the second buffer spring 75 are respectively welded on the lower end face of the buffer frame 7 and the upper end face of the buffer sleeve 74, the lower end of the buffer sleeve 74 is provided with a matching hole, the insertion block 91 on the buffer air bag 9 is inserted into the matching hole, the buffer air bag 9 is adhered to the lower end of the buffer sleeve 74 through glue, and the rubber pad 67 is adhered to the lower end face of the buffer frame 65 through glue.

When the invention works, before the fixed die 2 and the movable die 3 are closed, the spray head 41 on the spray pipe 4 is positioned between the fixed die 2 and the movable die 3, at the moment, the pump body 122 can be started, so that the spray head 41 sprays the release agent, then in the process of closing the fixed die 2 and the movable die 3, the movable die 3 is driven by the hydraulic rod 16 to move downwards, so that in the moving process, the spray pipe 4 is driven by the hinged pushing plate 32 to move towards one end close to the vertical frame 13, further the spray pipe 4 completely pushes the fixed die 2 and the movable die 3, simultaneously the matched rotating rod 6 is driven by the driving rack 52 to rotate, further the mounting plate 62 is rotated out between the fixed die 2 and the movable die 3, then the push plate 64 is driven to be rotated out between the fixed die 2 and the movable die 3, and the buffer frame 7 loses the support of the push plate 64, so that the buffer frame 7 is moved back out between the fixed die 2 and the movable die 3 under the action of the connecting spring 711, therefore, the closing of the fixed die 2 and the movable die 3 cannot be influenced, when demoulding is carried out, the movable die 3 is driven by the hydraulic rod 16 to move upwards to be separated from the fixed die 2, the spray pipe 4 is driven by the hinged push plate 32 to move reversely in the process that the movable die 3 moves upwards, the spray pipe 4 is further inserted between the fixed die 2 and the movable die 3 to be prepared for next spraying, the matched rotating rod 6 is driven by the driving rack 52 to rotate, the mounting plate 62 and the push plate 64 are driven to rotate between the fixed die 2 and the movable die 3, the buffer frame 7 is driven by the push plate 64 to move between the fixed die 2 and the movable die 3, the buffer frame 65 and the buffer sleeve 74 are positioned between the fixed die 2 and the movable die 3, and the buffer frame 65, the buffer sleeve 74 and the buffer air bag 9 can play a good buffer limiting role on a plastic part at the same time when the ejection demoulding is carried out, make and mould the piece and can not break out or the bullet flies, also avoid causing bodily injury to the staff when having guaranteed to mould a quality, in addition when carrying out spray tube 4 and removal support frame 5 be connected, press supporting shoe 54 down, make supporting shoe 54 highly be less than the height of adapter sleeve 45, then remove its downside to adapter sleeve 45, release supporting shoe 54 can make supporting shoe 54 peg graft in the trepanning 451 on adapter sleeve 45 under the effect of last top spring 53, realize spray tube 4 and the fixed connection of removal support frame 5, unusual convenience, and only need press supporting shoe 54 once more when dismantling make it withdraw from trepanning 451 can, be convenient for the maintenance of device.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a plastic mould intelligence drawing of patterns control system, includes mount pad (1), its characterized in that: the improved structure of the hydraulic pump is characterized in that connecting support rods (11) are welded on four corners of the mounting base (1) respectively, a top plate (12) is welded at the upper end of each connecting support rod (11), a liquid storage tank (121) is fixedly mounted on one side of the upper end of the top plate (12), one side of the liquid storage tank (121) is connected with a pump body (122) through a pipeline, the pump body (122) is also mounted on the top plate (12), a connecting hose (123) is mounted on the pump body (122), a fixed die (2) is fixedly mounted on the mounting base (1), guide rails (15) are symmetrically and integrally formed on the mounting base (1) on two sides of the fixed die (2), bearing holes (17) are symmetrically formed in the mounting base (1) on the inner side of the guide rails (15), a vertical frame (13) is welded at one end of the mounting base (1), through grooves (131) are formed in the vertical frame (13), and hydraulic rods (16) are mounted at the lower end of the top plate (12), the lower extreme fixedly connected with movable mould (3) of hydraulic stem (16), the upside one end symmetrical welding of movable mould (3) has two articulated framves (31), articulated frame (31) are connected with and remove the hydrojet device, install first buffer in dead eye (17), first buffer is including cooperation dwang (6), buffering frame (65), first buffer spring (66), rubber pad (67) and bearing (8), the fixed installation piece that is provided with of lower extreme of cooperation dwang (6), the installation piece passes through bearing (8) and installs in dead eye (17), and has gear (61) on the cooperation dwang (6) of installation piece upside, gear (61) are in the inboard of mobile support frame (5), and gear (61) mesh mutually with drive rack (52), the welding of cooperation dwang (6) has upper end mounting panel (62), the end part of the mounting plate (62) is symmetrically welded with a movable sleeve (621) at two sides, a connecting column (63) is welded at the upper side of the mounting plate (62), a push plate (64) is welded at the upper end of the connecting column (63), the buffer frame (65) is positioned at the lower side of the mounting plate (62), a cylindrical moving groove (651) is symmetrically arranged at two ends of the buffer frame (65), a spring guide rod (652) is welded inside the cylindrical moving groove (651), the spring guide rod (652) is inserted into the movable sleeve (621), a first buffer spring (66) is sleeved on the spring guide rod (652), a rubber pad (67) is arranged at the lower end of the buffer frame (65), a welding plate (14) is symmetrically welded at the lower ends of two sides of the upper top plate (12), an insertion hole is arranged on the welding plate (14), and a second buffer device is arranged on the welding plate (14), the second buffer device comprises a buffer frame (7), a connecting spring (711), steel balls (73), a buffer sleeve (74), a second buffer spring (75) and a buffer air bag (9), buffer rod inserting holes are symmetrically formed in two ends of the buffer frame (7), an inserting rod (71) is welded at the rear end of the buffer frame (7), the inserting rod (71) is inserted in the inserting hole in the welding plate (14), the connecting spring (711) is sleeved on the inserting rod (71), the buffer frame (7) is located on the inner side of the welding plate (14), a convex strip (72) is integrally formed on the rear end face of the lower side of the buffer frame (7), a steel ball groove is formed in the convex strip (72), the steel balls (73) are installed in the steel ball groove, a buffer rod (741) is welded at the upper end of the buffer sleeve (74), and the buffer rod (741) is inserted in the buffer rod inserting hole, and the buffer rod (741) is sleeved with a second buffer spring (75), the buffer sleeve (74) is arranged at the lower side of the buffer frame (7), the upper end of the buffer air bag (9) is integrally formed with an insertion block (91), the insertion block (91) is inserted into the buffer sleeve (74), the buffer sleeve (74) is arranged at two sides of the buffer frame (65), and the lower surface of the buffer air bag (9) is flush with the lower surface of the rubber pad (67) on the buffer frame (65).

2. The intelligent demolding control system for plastic molds as claimed in claim 1, wherein: the movable liquid spraying device comprises a wheel rotating frame (132), a hinged pushing plate (32), a spray pipe (4) and a movable supporting frame (5), wherein the wheel rotating frame (132) is circumferentially arranged inside the through groove (131), a rotating wheel (133) is arranged on the wheel rotating frame (132), and one end of the hinged pushing plate (32) is hinged to the hinged frame (31).

3. The intelligent demolding control system for plastic molds as claimed in claim 2, wherein: one end of the spray pipe (4) is symmetrically and fixedly provided with spray heads (41) up and down, the spray heads (41) are positioned between the fixed die (2) and the movable die (3) in a working state, the other end of the spray pipe (4) is integrally provided with a connecting pipe (42), the connecting pipe (42) is inserted in the connecting hose (123) to form fixed connection, the spray pipe (4) is inserted in the through groove (131), and are positioned between the rotating wheels (133), supporting columns (43) are symmetrically and fixedly arranged at the positions, close to the spray head (41), of the two sides of the spray pipe (4), the end part of the supporting column (43) is fixedly provided with a hinged column (44), the hinged column (44) is hinged with the other end of the hinged pushing plate (32), the welding has the connecting block on spray tube (4) of support column (43) downside, the welding of the lower extreme of connecting block has adapter sleeve (45), trepanning (451) have been seted up on adapter sleeve (45).

4. The intelligent demolding control system for plastic molds as claimed in claim 2, wherein: the welding has support cover (51) on the intermediate position of removal support frame (5), inner chamber (511) have been seted up on support cover (51), shifting chute (512) have been seted up to the bilateral symmetry of inner chamber (511), the both ends symmetry integrated into one piece of removal support frame (5) is provided with drive rack (52), guide rail groove (521) have been seted up to the lower extreme of drive rack (52), guide rail groove (521) cup joint on guide rail (15).

5. The intelligent demolding control system for plastic molds as claimed in claim 4, wherein: an upper ejection spring (53) is inserted into an inner cavity (511) of the support sleeve (51), the upper end of the upper ejection spring (53) is fixedly connected with a support block (54), moving blocks (541) are symmetrically welded on two sides of the support block (54), the moving blocks (541) are inserted into a moving groove (512), and the upper end of the support block (54) is inserted into a sleeve hole (451) of the connection sleeve (45) in a working state.