CN116100770A

CN116100770A - High-precision movable mold connection molding injection mold and process

Info

Publication number: CN116100770A
Application number: CN202310228320.1A
Authority: CN
Inventors: 欧廷程; 欧廷前
Original assignee: Shenzhen Hand Board Model Co ltd
Current assignee: Shenzhen Hand Board Model Co ltd
Priority date: 2023-03-10
Filing date: 2023-03-10
Publication date: 2023-05-12

Abstract

The invention belongs to the technical field of high-precision movable mould connection molding injection moulds, and particularly relates to a high-precision movable mould connection molding injection mould and a process. The invention ensures that the temperature of the die and the injection pressure are always kept in a stable balance, effectively avoids the influence of stress on the production quality, and effectively avoids the problems of edge overflow and insufficient filling.

Description

High-precision movable mold connection molding injection mold and process

Technical Field

The invention belongs to the technical field of high-precision movable mould connection molding injection moulds, and particularly relates to a high-precision movable mould connection molding injection mould and a process.

Background

The high-precision movable mould connecting and forming injection mould is a kind of combined mould for compression moulding, extrusion moulding, injection, blow moulding and low foaming forming. The coordination change of the male die, the female die and the auxiliary forming system can process a series of plastic parts with different shapes and different sizes.

At present, cracking in the production of high-precision movable mould connecting and forming injection moulds is a common defect of plastic products, and the main reasons for the generation are stress deformation caused by stress deformation, and the stress deformation mainly caused by residual stress, external stress and external environment.

In actual production, on the premise of ensuring that the resin is not decomposed and not degraded, the melt viscosity can be reduced and the fluidity can be improved by properly increasing the resin temperature, but if the injection pressure is too high, the stress becomes larger and the problem of edge overflow easily occurs, and when the mold temperature is lower, the stress is easily generated to influence the production quality and the problem of insufficient filling is easily caused, so that the production quality is influenced, and after the plastic product is taken out of the mold, if the humidity of the external environment is too high, the product absorbs moisture to cause water degradation, so that the physical property is degraded and the problem of cracking is easily caused.

Therefore, we propose a high-precision movable mold connecting and molding injection mold and process to solve the above problems.

Disclosure of Invention

The invention aims to solve the problems and provides a high-precision movable die connecting and forming injection die and a process.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a high-precision movable mould connection shaping injection mold, includes the base, two backup pads of upper end symmetry fixedly connected with of base, two the same lower mould of upper end fixedly connected with of backup pad, the upper end rear side fixedly connected with L shape riser of base, the fixed plug bush of horizontal part of L shape riser has electric putter, electric putter's lower extreme output fixedly connected with goes up the mould, go up the last pipe that moulds plastics that is connected with of mould, be equipped with the pump of moulding plastics on the pipe of moulding plastics, circulation constant temperature heating channel has been seted up in the lower mould, be equipped with drawing of patterns pushing mechanism between base and the lower mould, the lateral wall fixed mounting of lower mould has the pressure temperature sensing self-regulating mechanism of moulding plastics, the upper end symmetry fixedly connected with two sets of drawing of patterns moisture absorption protection mechanism of base, the synchronous trigger actuating mechanism has still been installed to the upper end of going up mould and the lower extreme of L shape riser horizontal part.

In the injection mold for connecting and forming the high-precision movable mold, the demolding pushing mechanism comprises a plurality of guide sliding rods which are symmetrically and fixedly connected to the lower end of the lower mold, a plurality of pushing plates are sleeved outside the guide sliding rods in a sliding manner, a plurality of sliding holes which are sleeved with the guide sliding rods in a sliding manner are symmetrically formed in the surface of each pushing plate, a plurality of pushing springs which are sleeved outside the plurality of guide sliding rods are fixedly connected between the upper end of each pushing plate and the lower end of the lower mold respectively, a plurality of demolding ejector rods are uniformly and fixedly connected to the upper end of each pushing plate, demolding holes for penetrating and extending into the upper end of each demolding ejector rod are formed in the lower end of the lower mold, one side, opposite to the lower end of each supporting plate, of each supporting plate is rotatably connected with the same transmission shaft through a bearing, a plurality of pushing cams are fixedly sleeved on the shaft wall of each transmission shaft, and the upper end of each base is fixedly connected with a reciprocating driving mechanism for driving the transmission shaft to rotate.

In the injection mold for connecting and forming the high-precision movable mold, the injection pressure temperature-sensing self-adjusting mechanism comprises a temperature sensing plate fixedly embedded in the inner side of the lower mold, a plurality of heat conducting plates are fixedly connected to the side wall of the temperature sensing plate, one ends of the heat conducting plates penetrate through and extend out of the lower mold and are fixedly connected with the same heat conducting frame, a metal resistor is fixedly inserted in the heat conducting frame, two ends of the metal resistor are fixedly connected with electric leads, and a cover is fixedly connected to the outer side of the lower mold and is sleeved on the heat insulating protective shell outside the heat conducting frame and the metal resistor.

In the injection mold for connecting and forming the high-precision movable mold, the demolding and moisture absorption protection mechanism comprises a position adjusting mechanism fixedly connected to the upper end of the base, the upper end of the position adjusting mechanism is fixedly connected with a moisture absorption barrel, the outer wall of the moisture absorption barrel is uniformly fixedly communicated with a plurality of moisture absorption holes, the upper end of the moisture absorption barrel is fixedly connected with a draught fan, the lower end air inlet of the draught fan extends into the upper end of the moisture absorption barrel, the inner side of the moisture absorption barrel is fixedly connected with a blocking net barrel, and moisture absorption filler is filled between the moisture absorption barrel and the blocking net barrel.

In the injection mold for connecting and forming the high-precision movable mold, the synchronous trigger starting mechanism comprises a trigger rod fixedly connected with the upper end of the upper mold, and the lower end of the horizontal part of the L-shaped vertical plate is fixedly connected with a pressing trigger switch corresponding to the position of the trigger rod.

In the injection mold for connecting and forming the high-precision movable mold, the reciprocating driving mechanism comprises a U-shaped fixing plate fixedly connected with the upper end of the base, a reciprocating screw rod is rotatably connected to the side wall of one side opposite to the U-shaped fixing plate through a bearing, a rotating motor is fixedly connected to the rear side of the U-shaped fixing plate, the output end of the rotating motor is fixedly connected with the rear end of the reciprocating screw rod, a reciprocating seat is sleeved on the rod wall of the reciprocating screw rod through threads, a transmission rack is fixedly connected to the lower end of the reciprocating seat, one end of the transmission shaft penetrates out of the supporting plate and is fixedly connected with a transmission gear meshed with the transmission rack, a limit sliding rod is fixedly connected to the side wall of the other side opposite to the upper end of the U-shaped fixing plate, and a sliding hole sleeved on the upper end side wall of the reciprocating seat in a sliding mode.

In the injection mold for connecting and forming the high-precision movable mold, the azimuth adjusting mechanism comprises a U-shaped locating plate fixedly connected to the upper end of the base, a connecting rod is rotatably connected to the inner side of the U-shaped locating plate through a bearing, an adjusting motor is fixedly connected to the upper end of the base, a driving bevel gear is fixedly connected to the output end of the adjusting motor, and a driven bevel gear meshed with the driving bevel gear is fixedly sleeved on the lower end rod wall of the connecting rod.

An injection molding process of a high-precision movable mold connecting and molding injection mold comprises the following steps:

s1, carrying out real-time temperature maintenance in a lower die through a circulating constant-temperature heating channel, forming injection pressure in the upper die by an injection pump in cooperation with an injection pipe, sensing the temperature in the die in real time by a temperature sensing plate in the lower die, feeding back the heat of the die into a heat conducting frame through a heat conducting plate, enabling the ambient temperature of a metal resistor to change in real time along with the change of the temperature of the die, when the temperature of the die is too high, increasing the ambient temperature of the metal resistor, leading to the reduction of the power supply quantity connected with the injection pump by the increase of the resistance of the metal resistor, further reducing the power of the injection pump, reducing the injection pressure, and otherwise, reducing the resistance of the metal resistor when the temperature of the die is low, and further improving the injection pressure of the injection pump;

s2, after injection molding is finished, the upper die moves upwards, the trigger rod is pushed onto the push trigger switch, the power supply of the reciprocating driving mechanism is connected, the time relay and the travel switch are matched to realize the starting of the rotating motor, the rotating motor drives the reciprocating screw rod to rotate, the reciprocating seat drives the transmission rack to move through the threaded sleeve joint action of the reciprocating screw rod and the reciprocating seat, the transmission shaft is driven to rotate through the meshing action of the transmission rack and the transmission gear, the pushing cam is driven to rotate, the top cabinet plate overcomes the extrusion force of the pushing spring to enable the pushing plate to drive the plurality of demolding rods to move upwards, and after the injection molding is finished, self-triggered demolding operation is carried out, production continuity is guaranteed, and production efficiency is improved;

s3, after being communicated through the synchronous triggering starting mechanism, the induced draft fan and the adjusting motor are connected, the induced draft fan forms negative pressure suction force in the moisture absorption barrel, the environment around the demolding is matched with a plurality of moisture absorption holes to be rapidly sucked, moisture in the environment can be rapidly dried through moisture absorption fillers, the adjusting motor drives the driving bevel gear to rotate, the connecting rod is driven to rotate through the meshing effect of the driving bevel gear and the driven bevel gear, and then the moisture absorption barrel is driven to rotate, so that the omnibearing moisture absorption quality is guaranteed.

Compared with the prior art, the invention provides the high-precision movable mould connecting and molding injection mould and the process, which have the following beneficial effects:

1. this high-accuracy movable mould connection shaping injection mold, through the base that is equipped with, backup pad, lower mould, L shape riser, electric putter, go up the mould, the pipe of moulding plastics, the pump of moulding plastics, circulation constant temperature heating passageway and the pressure temperature sensing self-regulating mechanism of moulding plastics can carry out self-interacting to the pressure of moulding plastics according to the mould temperature for mould temperature and the pressure of moulding plastics remain throughout in a stable balance, effectively avoid the production of stress to influence production quality, and effectively avoided the problem of excessive limit and filling inadequately.

2. This high-accuracy movable mould connection shaping injection mold through synchronous trigger actuating mechanism, drawing of patterns pushing mechanism and the reciprocal actuating mechanism that is equipped with, can carry out the drawing of patterns operation of self-triggering after the completion of moulding plastics goes up the mould and leaves, guarantees production continuity, has improved production efficiency.

3. This high-accuracy movable mould connection shaping injection mold through synchronous trigger actuating mechanism, drawing of patterns moisture absorption protection mechanism and the position adjustment mechanism that is equipped with, can carry out quick dehumidification to drawing of patterns environment in step when drawing of patterns, avoids external environment humidity to be too high so that the product moisture absorption arouses the water degradation, causes the problem that the physical property is degraded and then forms the crackle.

To sum up: the invention ensures that the temperature of the die and the injection pressure are always kept in a stable balance, effectively avoids the influence of stress on the production quality, and effectively avoids the problems of edge overflow and insufficient filling.

Drawings

FIG. 1 is a schematic diagram of a high-precision movable mold connecting and molding injection mold;

FIG. 2 is a schematic cross-sectional view of an injection mold for connecting and molding a high-precision movable mold;

FIG. 3 is a schematic structural view of a demolding pushing mechanism of an injection mold for connecting and molding a high-precision movable mold;

FIG. 4 is a schematic structural view of an injection pressure temperature sensing self-regulating mechanism of an injection mold for connecting a high-precision movable mold;

fig. 5 is a schematic structural diagram of a demolding and moisture-absorbing protection mechanism of a high-precision movable mold connecting and molding injection mold provided by the invention;

fig. 6 is a schematic structural diagram of a reciprocating driving mechanism of a high-precision movable mold connecting and molding injection mold according to the present invention.

In the figure: 1. a base; 2. a support plate; 3. a lower die; 4. an L-shaped vertical plate; 5. an electric push rod; 6. an upper die; 7. injection molding a tube; 8. an injection pump; 9. a circulating constant temperature heating channel; 10. a demolding pushing mechanism; 101. a guide slide bar; 102. a push plate; 103. pushing down the spring; 104. demolding the ejector rod; 105. a transmission shaft; 106. pushing the cam; 11. an injection pressure temperature sensing self-adjusting mechanism; 111. a temperature sensing plate; 112. a heat conductive plate; 113. a heat conduction frame; 114. a metal resistor; 115. connecting an electric lead; 116. a heat-insulating protective shell; 12. a demoulding and moisture absorption protection mechanism; 121. a moisture absorption barrel; 122. a moisture absorption hole; 123. an induced draft fan; 124. a blocking net drum; 125. a hygroscopic filler; 13. a synchronous triggering starting mechanism; 131. a trigger lever; 132. pressing a trigger switch; 14. a reciprocating drive mechanism; 141. a U-shaped fixing plate; 142. a reciprocating screw rod; 143. a rotating electric machine; 144. a reciprocating seat; 145. a drive rack; 146. a transmission gear; 147. a limit slide bar; 15. an azimuth adjusting mechanism; 151. a U-shaped positioning plate; 152. a connecting rod; 153. adjusting a motor; 154. a drive bevel gear; 155. driven bevel gears.

Detailed Description

The following examples are for illustrative purposes only and are not intended to limit the scope of the invention.

Referring to fig. 1-6, a high-precision movable mold connection molding injection mold comprises a base 1, wherein two support plates 2 are symmetrically and fixedly connected to the upper ends of the base 1, the upper ends of the two support plates 2 are fixedly connected to the same lower mold 3, an L-shaped vertical plate 4 is fixedly connected to the rear side of the upper end of the base 1, an electric push rod 5 is fixedly inserted into the horizontal part of the L-shaped vertical plate 4, the lower end output end of the electric push rod 5 is fixedly connected to an upper mold 6, an injection molding pipe 7 is connected to the upper mold 6, an injection molding pump 8 is arranged on the injection molding pipe 7, a circulating constant temperature heating channel 9 is arranged in the lower mold 3, a demolding mechanism 10 is arranged between the base 1 and the lower mold 3, the demolding mechanism 10 comprises a plurality of guide slide rods 101 which are symmetrically and fixedly connected to the lower end of the lower mold 3, a plurality of push rods 102 are sleeved outside the guide slide rods 101, a plurality of sliding holes sleeved with the surfaces of the push rods 102 are symmetrically arranged on the surfaces of the push rods, a plurality of springs 104 sleeved outside the plurality of guide slide rods 101 are fixedly connected to the lower ends of the push rods 3, a plurality of the upper ends of the push rods 102 are fixedly connected to the lower ends of the push rods 104, and the plurality of the same transmission shafts 105 are fixedly connected to the lower ends of the same support plates 105 through the same transmission shafts, and the plurality of the transmission shafts 105 are fixedly connected to the lower ends of the same support shafts 105 and fixedly connected to the lower ends of the shafts of the ejector rods 105.

The upper end of the base 1 is fixedly connected with a reciprocating driving mechanism 14 for driving the transmission shaft 105 to rotate, the reciprocating driving mechanism 14 comprises a U-shaped fixing plate 141 fixedly connected with the upper end of the base 1, a reciprocating screw rod 142 is rotatably connected to the side wall of the opposite side of the U-shaped fixing plate 141 through a bearing, a rotating motor 143 is fixedly connected to the rear side of the U-shaped fixing plate 141, the output end of the rotating motor 143 is fixedly connected with the rear end of the reciprocating screw rod 142, a reciprocating seat 144 is sleeved on the rod wall of the reciprocating screw rod 142 through threads, a transmission rack 145 is fixedly connected to the lower end of the reciprocating seat 144, one end of the transmission shaft 105 extends out of the supporting plate 2 in a penetrating mode, a transmission gear 146 meshed with the transmission rack 145 is fixedly connected to the side wall of the opposite side of the upper end of the U-shaped fixing plate 141, and a sliding hole sleeved on the side wall of the upper end of the reciprocating seat 144 in a sliding mode with the sliding hole.

The side wall fixed mounting of lower mould 3 has injection molding pressure temperature sensing self-regulating mechanism 11, injection molding pressure temperature sensing self-regulating mechanism 11 is including fixedly embedding the inboard temperature sensing board 111 at lower mould 3, the lateral wall fixedly connected with a plurality of heat-conducting plates 112 of temperature sensing board 111, the one end of a plurality of heat-conducting plates 112 all runs through and stretches out outside lower mould 3, and fixedly connected with same heat-conducting frame 113, heat-conducting frame 113 internal fixation plug bush has metal resistance 114, the equal fixedly connected with in both ends of metal resistance 114 connects electric lead 115, the outside fixedly connected with cover of lower mould 3 overlaps the thermal-insulated protecting crust 116 outside heat-conducting frame 113 and metal resistance 114.

The upper end symmetry fixedly connected with two sets of drawing of patterns moisture absorption protection machanism 12 of base 1, drawing of patterns moisture absorption protection machanism 12 includes the position adjustment mechanism 15 of fixed connection in base 1 upper end, position adjustment mechanism 15 includes the U-shaped locating plate 151 of fixed connection in base 1 upper end, the inboard of U-shaped locating plate 151 is connected with connecting rod 152 through the bearing rotation, the upper end of base 1 still fixedly connected with accommodate motor 153, the output fixedly connected with drive bevel gear 154 of accommodate motor 153, the lower extreme pole wall of connecting rod 152 fixedly cup joints driven bevel gear 155 with drive bevel gear 154 meshing.

The upper end fixedly connected with moisture absorption section of thick bamboo 121 of position adjustment mechanism 15, the outer wall of moisture absorption section of thick bamboo 121 evenly fixedly communicates a plurality of moisture absorption holes 122, and the upper end fixedly connected with draught fan 123 of moisture absorption section of thick bamboo 121, the lower extreme air intake of draught fan 123 stretches into the upper end of moisture absorption section of thick bamboo 121, and the inboard of moisture absorption section of thick bamboo 121 still fixedly connected with keeps off and connects net section of thick bamboo 124, and moisture absorption filler 125 is filled between moisture absorption section of thick bamboo 121 and the fender and connects net section of thick bamboo 124.

The upper end of the upper die 6 and the lower end of the horizontal part of the L-shaped vertical plate 4 are also provided with a synchronous trigger starting mechanism 13, the synchronous trigger starting mechanism 13 comprises a trigger rod 131 fixedly connected with the upper end of the upper die 6, and the lower end of the horizontal part of the L-shaped vertical plate 4 is fixedly connected with a pressing trigger switch 132 corresponding to the position of the trigger rod 131.

The principle of operation of the present invention will now be described as follows: the lower die 3 is internally maintained with real-time temperature through the circulating constant-temperature heating channel 9, the injection pump 8 is matched with the injection pipe 7 to form injection pressure in the upper die 6, the temperature sensing plate 111 senses the temperature in the die in real time in the lower die 3, and feeds back the die heat into the heat conducting frame 113 through the heat conducting plate 112, so that the environment temperature of the metal resistor 114 changes in real time along with the change of the die temperature, when the die temperature is too high, the environment temperature of the metal resistor 114 rises, the thermal movement in the metal resistor 114 is more intense, the crystal lattice is more disordered, the resistance is larger as the free electrons are blocked, in particular, the metal conduction is caused by the directional movement of the free electrons in the metal, the atomic reality except the free electrons in the metal also vibrates nearby the position, the intensity of the vibration is related to the temperature of metal, the higher the temperature is, the more intense the vibration is, the larger the collision opportunity between free electrons and atoms is, the more the directional movement of electrons is hindered, namely the resistance is increased, the electric resistance of the metal resistor 114 is increased, so that the power supply amount of the injection pump 8 is reduced, the injection pressure is reduced, otherwise, when the temperature of a die is reduced, the electric resistance of the metal resistor 114 is reduced, the injection pressure of the injection pump 8 is improved, the injection pressure can be self-regulated according to the temperature of the die, the temperature of the die and the injection pressure are always kept in a stable balance, the production quality is effectively prevented from being influenced by the generation of stress, and the problems of edge overflow and insufficient filling are effectively avoided;

after injection molding is completed, the upper die 6 moves upwards, the trigger rod 131 is pushed onto the pressing trigger switch 132, the power supply of the reciprocating driving mechanism 14 is connected, the rotating motor 143 is started by matching with the time relay and the travel switch, the rotating motor 143 drives the reciprocating screw rod 142 to rotate, the reciprocating seat 144 drives the transmission rack 145 to move through the threaded sleeving action of the reciprocating screw rod 142 and the reciprocating seat 144, the transmission shaft 105 is driven to rotate through the meshing action of the transmission rack 145 and the transmission gear 146, the pushing cam 106 is driven to rotate, the top cabinet plate overcomes the extrusion force of the pushing spring 103 to drive the pushing plate 102 to move upwards, the self-triggered demoulding operation can be performed after the injection molding is completed, the production continuity is ensured, and the production efficiency is improved;

through synchronous trigger actuating mechanism 13, drawing of patterns moisture absorption protection mechanism 12 and the position adjustment mechanism 15 that are equipped with, switch on the power supply of draught fan 123 and accommodate motor 153 behind synchronous trigger actuating mechanism 13 intercommunication, draught fan 123 forms negative pressure suction in moisture absorption section of thick bamboo 121, cooperate a plurality of moisture absorption holes 122 to carry out quick suction with the environment around the drawing of patterns, can carry out quick drying process with the humidity in the environment through the moisture absorption filler 125, accommodate motor 153 drives the initiative bevel gear 154 and rotates, drive connecting rod 152 through the meshing effect of initiative bevel gear 154 and driven bevel gear 155 and rotate, and then drive moisture absorption section of thick bamboo 121 is rotatory, guarantee the omnidirectional moisture absorption quality, can be synchronous carry out quick dehumidification to the drawing of patterns environment when drawing of patterns, avoid the outside environment moisture too high and make the product moisture absorption cause the water degradation, cause the problem that the physical property is degraded and then forms the crackle.

The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.

Claims

1. The utility model provides a high-accuracy movable mould connection shaping injection mold, includes base (1), its characterized in that: the utility model discloses a high-temperature self-adjusting injection molding machine, including base (1), lower mould (3), upper end fixedly connected with backup pad (2), two upper end fixedly connected with same lower mould (3) of backup pad (2), the upper end rear side fixedly connected with L shape riser (4) of base (1), the fixed plug bush in horizontal part of L shape riser (4) has electric putter (5), the lower extreme output fixedly connected with upper mould (6) of electric putter (5), be connected with injection molding pipe (7) on upper mould (6), be equipped with injection molding pump (8) on injection molding pipe (7), circulation constant temperature heating passageway (9) have been seted up in lower mould (3), be equipped with ejector mechanism (10) between base (1) and lower mould (3), the lateral wall fixed mounting of lower mould (3) is equipped with injection molding pressure self-adjusting mechanism (11), the upper end fixedly connected with two sets of drawing of patterns moisture absorption protection mechanism (12) of upper mould (6) and the lower extreme of L shape riser (4) level portion are installed synchronous mechanism (13) still.

2. The high-precision movable mold connection molding injection mold according to claim 1, wherein: the demolding pushing mechanism (10) comprises a plurality of guide sliding rods (101) which are symmetrically and fixedly connected to the lower end of the lower mold (3), a plurality of same pushing plates (102) are sleeved outside the guide sliding rods (101) in a sliding manner, a plurality of sliding holes which are sleeved with the guide sliding rods (101) in a sliding manner are symmetrically formed in the surfaces of the pushing plates (102), a plurality of pushing springs (103) which are sleeved outside the guide sliding rods (101) are fixedly connected between the upper end of the pushing plates (102) and the lower end of the lower mold (3), a plurality of demolding ejector rods (104) are uniformly and fixedly connected to the upper end of the pushing plates (102), demolding holes which are used for penetrating and extending in the upper end of the demolding ejector rods (104) are formed in the lower end of the lower mold (3), one side, opposite to the lower end of each supporting plate (2), of each supporting plate is rotatably connected with a same transmission shaft (105) through a bearing, a plurality of pushing cams (106) are fixedly sleeved on the shaft wall of each transmission shaft (105), and the upper end of the base (1) is fixedly connected with a reciprocating driving mechanism (14) which is used for driving the transmission shaft (105).

3. The high-precision movable mold connection molding injection mold according to claim 1, wherein: injection molding pressure temperature sensing self-regulating mechanism (11) is including fixedly imbedding temperature sensing board (111) of establishing in lower mould (3), the lateral wall fixedly connected with of temperature sensing board (111) a plurality of heat conduction board (112), a plurality of outside one end of heat conduction board (112) all runs through and stretches out lower mould (3), and fixedly connected with same heat conduction frame (113), heat conduction frame (113) internal fixation plug bush has metal resistance (114), the equal fixedly connected with in both ends of metal resistance (114) meets electric lead (115), the outside fixedly connected with cover of lower mould (3) is covered in heat insulation protecting crust (116) outside heat conduction frame (113) and metal resistance (114).

4. The high-precision movable mold connection molding injection mold according to claim 1, wherein: the demolding and moisture absorption protection mechanism (12) comprises an azimuth adjusting mechanism (15) fixedly connected to the upper end of the base (1), the upper end of the azimuth adjusting mechanism (15) is fixedly connected with a moisture absorption barrel (121), the outer wall of the moisture absorption barrel (121) is uniformly fixedly communicated with a plurality of moisture absorption holes (122), the upper end of the moisture absorption barrel (121) is fixedly connected with a draught fan (123), a lower end air inlet of the draught fan (123) stretches into the upper end of the moisture absorption barrel (121), the inner side of the moisture absorption barrel (121) is fixedly connected with a blocking net barrel (124), and moisture absorption fillers (125) are filled between the moisture absorption barrel (121) and the blocking net barrel (124).

5. The high-precision movable mold connection molding injection mold according to claim 1, wherein: the synchronous trigger starting mechanism (13) comprises a trigger rod (131) fixedly connected to the upper end of the upper die (6), and the lower end of the horizontal part of the L-shaped vertical plate (4) is fixedly connected with a pressing trigger switch (132) corresponding to the position of the trigger rod (131).

6. The high-precision movable mold connection molding injection mold according to claim 2, wherein: the reciprocating driving mechanism (14) comprises a U-shaped fixing plate (141) fixedly connected to the upper end of the base (1), a reciprocating screw rod (142) is rotatably connected to the side wall of one opposite side of the U-shaped fixing plate (141) through a bearing, a rotating motor (143) is fixedly connected to the rear side of the U-shaped fixing plate (141), the output end of the rotating motor (143) is fixedly connected to the rear end of the reciprocating screw rod (142), a reciprocating seat (144) is sleeved on the rod wall of the reciprocating screw rod (142) in a threaded manner, a transmission rack (145) is fixedly connected to the lower end of the reciprocating seat (144), one end of the transmission shaft (105) penetrates out of the supporting plate (2) and is fixedly connected with a transmission gear (146) meshed with the transmission rack (145), a limit sliding rod (147) is fixedly connected to the side wall of the opposite side of the upper end of the U-shaped fixing plate (141), and a sliding hole sleeved on the upper end of the reciprocating seat (144) in a sliding manner.

7. The high-precision movable mold connection molding injection mold according to claim 4, wherein: the azimuth adjusting mechanism (15) comprises a U-shaped locating plate (151) fixedly connected to the upper end of the base (1), a connecting rod (152) is rotatably connected to the inner side of the U-shaped locating plate (151) through a bearing, an adjusting motor (153) is fixedly connected to the upper end of the base (1), a driving bevel gear (154) is fixedly connected to the output end of the adjusting motor (153), and a driven bevel gear (155) meshed with the driving bevel gear (154) is fixedly sleeved on the lower end rod wall of the connecting rod (152).

8. An injection molding process based on the high-precision movable mold connecting molding injection mold as claimed in any one of claims 1 to 7, which is characterized in that: the method comprises the following steps:

s1, carrying out real-time temperature maintenance in a lower die (3) through a circulating constant-temperature heating channel (9), forming injection pressure in an upper die (6) by an injection pump (8) in cooperation with an injection pipe (7), sensing the temperature in the die in real time by a temperature sensing plate (111) in the lower die (3), feeding back the heat of the die into a heat conducting frame (113) through a heat conducting plate (112), enabling the ambient temperature of a metal resistor (114) to change in real time along with the change of the temperature of the die, and when the temperature of the die is too high, increasing the ambient temperature of the metal resistor (114), wherein the increase of the resistance of the metal resistor (114) leads to the reduction of the power supply amount connected to the injection pump (8), so that the power of the injection pump (8) is reduced, and the injection pressure is reduced, otherwise, when the temperature of the die is low, the resistance of the metal resistor (114) is reduced, and the injection pressure of the injection pump (8) is improved;

s2, after injection molding is finished, the upper die (6) moves upwards, the trigger rod (131) is pushed onto the push trigger switch (132), the power supply of the reciprocating driving mechanism (14) is connected, the time relay and the travel switch are matched to realize the starting of the rotating motor (143), the rotating motor (143) drives the reciprocating screw rod (142) to rotate, the reciprocating seat (144) drives the transmission rack (145) to move through the threaded sleeving action of the reciprocating screw rod (142) and the reciprocating seat (144), the transmission shaft (105) is driven to rotate through the meshing action of the transmission rack (145) and the transmission gear (146), the pushing cam (106) is driven to rotate, the top cabinet plate overcomes the extrusion force of the pushing spring (103) to enable the push plate (102) to drive the plurality of demolding rods to move upwards, and after the injection molding is finished, self-triggered demolding operation is carried out, so that the production continuity is ensured, and the production efficiency is improved;

s3, through the power supply of switch-on draught fan (123) and accommodate motor (153) after synchronous trigger actuating mechanism (13) intercommunication, draught fan (123) form negative pressure suction in moisture absorption section of thick bamboo (121), cooperate a plurality of moisture absorption holes (122) to carry out quick suction with the environment around the drawing of patterns, humidity in the environment can carry out quick drying process through moisture absorption filler (125), accommodate motor (153) drive initiative bevel gear (154) rotate, the meshing effect through initiative bevel gear (154) and driven bevel gear (155) drives connecting rod (152) and rotates, and then drive moisture absorption section of thick bamboo (121) are rotatory, guarantee omnidirectional moisture absorption quality.