CN112372952A

CN112372952A - Plastic accessory forming processing method

Info

Publication number: CN112372952A
Application number: CN202011137603.8A
Authority: CN
Inventors: 周阳; 於慧
Original assignee: Shenzhen Zhengyang Consulting Service Co ltd
Current assignee: Shenzhen Zhengyang Consulting Service Co ltd
Priority date: 2020-10-22
Filing date: 2020-10-22
Publication date: 2021-02-19

Abstract

The invention relates to a plastic accessory molding processing method, which uses a molding die, wherein the molding die comprises an Contraband-shaped plate, a die head conversion mechanism, a moving mechanism and a die deformation mechanism, the Contraband-shaped plate is of a structure with a downward opening, the die head conversion mechanism is installed on the left side of the upper end surface of the Contraband-shaped plate, the moving mechanism is arranged on the right side of the Contraband-shaped plate, and the die deformation mechanism is arranged in the moving mechanism.

Description

Plastic accessory forming processing method

Technical Field

The invention relates to the technical field of plastic molds, in particular to a plastic accessory molding processing method.

Background

The antenna is a converter which converts a guided wave propagating on a transmission line into an electromagnetic wave propagating in an unbounded medium (usually free space) or vice versa, and a component for transmitting or receiving the electromagnetic wave in a radio device, an engineering system for radio communication, broadcasting, television, radar, navigation, electronic countermeasure, remote sensing, radio astronomy and the like, all of which transmit information by using the electromagnetic wave, depends on the antenna to operate, and in addition, in the aspect of transmitting energy by using the electromagnetic wave, non-signal energy radiation also requires the antenna, and the general antenna has reversibility, i.e. the same secondary antenna can be used as both a transmitting antenna and a receiving antenna, the same antenna has the same basic characteristic parameters for transmitting or receiving, which is the reciprocity theorem of the antenna, and the communication antenna needs to be sleeved with a plastic protective cover when in use, but the required plastics safety cover shape of communication antenna of different shapes is also different, and the plastics safety cover is communication antenna's important component accessory, and the quality of the production and processing of plastics safety cover directly influences communication antenna's use, can appear following problem in communication antenna plastics safety cover forming process:

1. the traditional forming die for the plastic protective cover of the communication antenna only processes one structure when the plastic protective cover of the antenna is formed, so that the plastic protective cover of the antenna has a single structure;

2. need change mould head and corresponding mould shape when making the antenna plastics safety cover of other structures, the process is comparatively loaded down with trivial details and has increased work load simultaneously.

Disclosure of Invention

Technical scheme (I)

In order to achieve the above object, the present invention adopts the following technical solution, in which a forming mold is used, the forming mold comprises an Contraband-shaped plate, a mold head converting mechanism, a moving mechanism and a mold deforming mechanism, the Contraband-shaped plate has a downward opening structure, the mold head converting mechanism is installed on the left side of the upper end surface of the Contraband-shaped plate, the moving mechanism is installed on the right side of the Contraband-shaped plate, and the mold deforming mechanism is installed in the moving mechanism.

The method for molding and processing the plastic accessory by using the molding die comprises the following steps;

step one, preparation operation, namely heating and melting raw materials for manufacturing plastic accessories to form molten raw materials;

adjusting operation, namely controlling the die head switching mechanism 2 to be adjusted to a specified working state through the moving mechanism 3 according to the actual specification of the plastic part, and adjusting the die deformation mechanism 4 to a state required to be used as required, so as to obtain a die with a specified shape;

step three, injection molding, namely injecting the raw material in the molten state in the step one into an adjusted mold, and slightly vibrating the injected raw material to eliminate bubbles in the raw material;

step four, demolding operation, namely taking the molded plastic product out of the mold after the raw materials in the mold are solidified to form the plastic product, and removing burrs on the surface of the plastic product to obtain a qualified plastic accessory;

the die head switching mechanism comprises a rotating shaft, a square plate, a rectangular die head, a convex-concave die head, a wavy die head, an arc die head, a grooved pulley, a motor, a driving shaft, an incomplete disc, a rotating disc and a rotating column, wherein the rotating shaft is installed on the left side of the upper end surface of the Contraband-shaped plate through a bearing, the Contraband-shaped plate penetrates through the rotating shaft, the square plate is sleeved on the rotating shaft, the rectangular die head, the convex-concave die head, the wavy die head and the arc die head are respectively installed on the four end surfaces of the square plate, the grooved pulley is installed on the lower end surface of the rotating shaft, four groups of rectangular grooves are evenly formed in the circumferential direction of the grooved pulley, the motor is arranged on the lower right side of the grooved pulley, the driving shaft is installed at the output shaft end of the motor, the incomplete disc and the rotating disc are, the rotating column is located at the notch of the incomplete disc, the motor rotates to drive the shaft to rotate, the driving shaft drives the incomplete disc to rotate synchronously with the rotating circular plate, the rotating circular plate drives the rotating column to rotate synchronously, the rotating column drives the grooved pulley to rotate intermittently when contacting with the rectangular groove of the grooved pulley, the grooved pulley drives the rotating shaft to rotate intermittently, the rotating shaft drives the square plate to rotate intermittently, and the square plate drives the rectangular mold head and the convex-concave mold head to rotate intermittently simultaneously with the wavy mold head and the arc mold head, so that the conversion of the mold head is realized.

The moving mechanism comprises a supporting plate, a top plate, sliding grooves, electric sliding blocks, a connecting plate, a rectangular moving box, a coiling box, a T-shaped rotating rod, a rectangular through groove and a deformation plate, wherein the supporting plate is symmetrically arranged on the upper end surface of an Contraband-shaped plate in front and back, the top plate is arranged on the upper end surface of the supporting plate, the sliding grooves are symmetrically arranged on the right side opposite surface of the top plate and the Contraband-shaped plate, the electric sliding blocks are arranged in the two groups of sliding grooves, the rectangular moving box is arranged on the electric sliding blocks through the connecting plate, the rectangular moving box is a rectangular hollow box with an opening at the left end, the size of the inner wall of the rectangular moving box is consistent with that of the square plate, the coiling box is symmetrically arranged on the front and back end surfaces of the left side of the rectangular moving box, the T-shaped rotating rod is arranged in the coiling box, the coiling box is penetrated by the lower end of the T-shaped rotating, a deformation plate is arranged in the pulling through groove, the front end and the rear end of the deformation plate are wound at the lower end of the T-shaped rotating rod, the two ends of the deformation plate are positioned in the rolling box, when the square plate stops intermittently, the electric slider drives the rectangular moving box to move leftwards through the connecting plate, so that the rectangular moving box is sleeved on the die head which rotates to the right end at the moment, the electric slider stops moving when moving to the left end of the sliding groove, then the deformation plate is pushed to be tightly attached to the die head through the die deformation mechanism to be pressed and deformed, at the moment, the deformation plate is pulled out of the rolling box by one section, the die deformation mechanism is retracted after the deformation plate and the die head are tightly attached to be deformed, the shape of the deformation plate is fixed, then the electric slider drives the rectangular moving box to move rightwards by a certain distance, material injection molding is carried, then the T-shaped rotating rod is rotated to withdraw and flatten the deformed plate, so that the deformed plate can be used next time.

The die deformation mechanism comprises a rubber air bag, a moving groove, a rectangular push plate, a first square through groove, a second square through groove, a fixed plate, a first limit box, a first expansion plate, a first corner plate, a second limit box, a second expansion plate, a second corner plate and an electric cylinder, wherein the rubber air bag is arranged in the rectangular moving box, the rubber air bag is positioned on the right side of the deformation plate, the moving groove is symmetrically formed in the front and back of the inner wall of the rectangular moving box, the rectangular push plate is arranged in the moving groove, the front end and the back end of the rectangular push plate move in the moving groove, the first square through groove is symmetrically formed in the front and back of the right end face of the rectangular push plate, the second square through groove is equidistantly formed in the front and back direction, the second square through groove is positioned between two sets of the first square through grooves, the fixed plate is fixedly arranged in, the front and the back of the left end surface of the fixed plate are symmetrically provided with a first limiting box, the first limiting box is internally provided with a first expansion plate, the left end of the first expansion plate is provided with a first corner clamping plate, the first corner clamping plate penetrates through a first square through groove, the left end surface of the fixed plate is provided with a second limiting box at equal distance from the front to the back, the second limiting box is internally provided with a second expansion plate, the left end surface of the second expansion plate is provided with a second corner clamping plate, the second corner clamping plate penetrates through a second square through groove, the fixed plate is provided with a circular through hole, the right end surface of the inner wall of the rectangular movable box is provided with an electric cylinder, a moving rod of the electric cylinder penetrates through the circular through hole and is fixedly arranged on the right end surface of the rectangular push plate, the front end surface of the rectangular push plate is provided with a circular connecting through hole, the circular connecting through hole penetrates through the first corner, the rectangular push plate pushes the rubber air bag to move, the rubber air bag pushes the deformation plate to deform, when the deformation plate deforms, the electric cylinder drives the rectangular push plate to withdraw, when the mold head is a rectangular mold head, the first corner clamping plate and the rectangular push plate are clamped through the electric telescopic rod, so that when the electric cylinder pushes the rectangular push plate to move, the first corner clamping plate synchronously drives the first corner clamping plate to move, the first corner clamping plate pushes the rubber air bag to be tightly attached to the deformation plate, so that the deformation plate is tightly attached to the corner of the rectangular mold head to form a corner, when the deformation plate deforms, the electric cylinder drives the rectangular push plate to withdraw, when the mold head is a convex-concave mold head, the moving rod of the electric telescopic rod continues to extend on the basis of contacting with the first corner clamping plate, so that the moving rod of the electric telescopic rod simultaneously clamps the first corner clamping plate and the second corner clamping plate, so that the first corner clamping plate and the second corner clamping plate push the rubber air bag to tightly, after the deformation board warp, electric cylinder drives the rectangle push pedal and withdraws, moves at a calorie scute and No. two calorie scutes and drives a expansion plate and No. two expansion plates respectively and stretch out and draw back to realize the conversion of mould.

According to a preferred technical scheme, the front end face and the rear end face of the rectangular moving box are symmetrically provided with sliding through grooves which are communicated with the moving grooves, the front end face and the rear end face of the rectangular moving box are symmetrically provided with moving plates through electromagnets, an electric telescopic rod is arranged on the moving plates through a support, the moving ends of the electric telescopic rods penetrate through the moving plates and the electromagnets, when a die head is a rectangular die head or a convex-concave die head, the electric telescopic rods work to clamp a first clamping angle plate or a second clamping angle plate with a rectangular push plate, when an electric cylinder drives the rectangular push plate to move leftwards, the electric telescopic rods synchronously drive the moving plates to move leftwards, and the electromagnets avoid the moving plates from falling.

As a preferred technical scheme of the invention, the middle part of the upper end face of the top plate is provided with an injection machine through a shape returning frame, the upper end face of the injection machine is provided with a feeding hole, an end cover is arranged on the feeding hole, the right end face of the injection machine is provided with a discharging hose, the upper end face of the top plate is provided with a placing through groove, the placing through groove is communicated with the rectangular through groove, the discharging hose penetrates through the placing through groove, the upper end face of the left side of the rectangular moving box is provided with a discharging through hole, the lower end of the discharging hose is arranged in the discharging through hole, the end cover is opened to put a material into the injection machine, the end cover is closed, and when the electric sliding block drives the rectangular moving box to move rightwards for a certain distance.

According to a preferable technical scheme of the invention, the 21274is characterized in that a through-groove for the mold leaking is formed in the front end of the upper end face of the horizontal section of the shaped plate, a supporting table is arranged on the front side below the horizontal section of the Contraband shaped plate, an L-shaped plate is mounted on the supporting table, a storage box is placed on the L-shaped plate and is a rectangular box with an upward opening, the storage box is located right below the through-groove for the mold leaking, an L-shaped pulling plate is mounted on the front end face of the storage box, after the protective cover is formed, the square plate rotates intermittently to enable the formed mold to rotate to the front, then the formed protective cover is pushed out of the mold, the protective cover falls into the storage box through the through-groove for the mold leaking, and then the.

According to a preferred technical scheme, a threaded hole is formed in the left side of the upper end face of the top plate, the position of the threaded hole corresponds to that of the through groove of the mold stripping, a T-shaped screw rod matched with the threaded hole is arranged in the threaded hole, a rectangular rubber layer is arranged on the lower end face of the T-shaped screw rod, the T-shaped screw rod is driven to move downwards by rotating the T-shaped screw rod, the T-shaped screw rod and a protective cover adhered to a mold head after molding are pushed downwards to push the protective cover away, and the rectangular rubber layer plays a role in protecting the protective cover and avoids damaging the surface of.

(II) advantageous effects

1. The die head conversion mechanism can convert the die head structure of the protective cover, and simultaneously, the die deformation mechanism is adopted to convert according to die heads with different structures, and the die deformation mechanism and the die head conversion mechanism are combined to manufacture the antenna protective cover with different structures, so that the plastic protective cover structure of the communication antenna is not single, and the working flow is simplified;

2. the rotating shaft drives the square plate to intermittently rotate, and the square plate drives the die head to intermittently rotate, so that the die head structure of the protective cover structure of the processing line is not single, and the manufactured antenna protective cover structure is diversified;

3. the rubber air bag pushes the deformation plate to be tightly attached to the mold head, so that the deformation plate is the same as the mold head, and the antenna protection covers with different structures are formed by injection molding.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a flow chart of the operation of the present invention;

FIG. 2 is a front cross-sectional view of the present invention;

FIG. 3 is a top cross-sectional view of the present invention;

FIG. 4 is a right side elevation view of the present invention;

FIG. 5 is an enlarged view of the invention taken from the line A of FIG. 2;

FIG. 6 is an enlarged view of the invention taken from the B-direction of FIG. 2;

FIG. 7 is an enlarged view of the invention taken along line C of FIG. 3;

FIG. 8 is an enlarged view of the invention taken from the D-side of FIG. 3;

figure 9 is a top view of the sheave, incomplete disk, rotating disk of the present invention.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.

As shown in fig. 1 to 9, a plastic part molding method uses a molding die, which includes Contraband-shaped plate 1, die head converting mechanism 2, moving mechanism 3 and die deforming mechanism 4, wherein Contraband-shaped plate 1 has a downward opening structure, Contraband-shaped plate 1 has die head converting mechanism 2 mounted on the left side of its upper end face, Contraband-shaped plate 1 has moving mechanism 3 on the right side, and die deforming mechanism 4 is disposed in moving mechanism 3.

and step four, demolding operation, namely taking the molded plastic product out of the mold after the raw materials in the mold are solidified to form the plastic product, and removing burrs on the surface of the plastic product to obtain the qualified plastic accessory.

Contraband shaped plate 1's horizontal segment up end front end seted up hourglass mould through groove 10, Contraband shaped plate 1's horizontal segment below front side is provided with brace table 11, install L shaped plate 12 on brace table 11, receiver 13 has been placed on the L shaped plate 12, receiver 13 is the ascending rectangle box of opening, receiver 13 is located hourglass mould through groove 10 under, L shape arm-tie 14 is installed to receiver 13's preceding terminal surface, after the safety cover shaping, square plate 21 carries out intermittent type and rotates the mould that will take shape and turn to the place ahead, then release fashioned safety cover from the mould, make the safety cover fall into among receiver 13 through hourglass mould through groove 10, then pulling L shape arm-tie 14 and pulling out receiver 13 and take out fashioned safety cover.

The die head conversion mechanism 2 comprises a rotating shaft 20, a square plate 21, a rectangular die head 22, a convex-concave die head 23, a wavy die head 24, an arc-shaped die head 25, a grooved pulley 26, a motor 27, a driving shaft 28, an incomplete disc 29, a rotating circular plate 2a and a rotating column 2b, wherein the rotating shaft 20 is installed on the left side of the upper end surface of the shape plate 1 through a bearing, the rotating shaft 20 penetrates through the Contraband-shaped plate 1, the square plate 21 is sleeved on the rotating shaft 20, the rectangular die head 22, the convex-concave die head 23, the wavy die head 24 and the arc-shaped die head 25 are respectively installed on the four end surfaces of the square plate 21, the grooved pulley 26 is installed on the lower end surface of the rotating shaft 20, four groups of rectangular grooves are uniformly formed in the circumferential direction on the grooved pulley 26, the motor 27 is arranged on the right lower side of the grooved pulley 26, the driving shaft 28 is installed, The rotating circular plate 2a is rotated, the upper end face of the rotating circular plate 2a is in contact with the lower end face of the grooved pulley 26, a rotating column 2b is installed on the rotating circular plate 2a, the rotating column 2b is located at the notch of the incomplete disc 29, the motor 27 rotates to drive the driving shaft 28 to rotate, the driving shaft 28 drives the incomplete disc 29 and the rotating circular plate 2a to synchronously rotate, the rotating circular plate 2a drives the rotating column 2b to synchronously rotate, the rotating column 2b is in contact with the rectangular groove of the grooved pulley 26 to drive the grooved pulley 26 to intermittently rotate for 90 degrees, the grooved pulley 26 drives the rotating shaft 20 to intermittently rotate for 90 degrees, the rotating shaft 20 drives the square plate 21 to intermittently rotate for 90 degrees, and the square plate 21 drives the rectangular mold head 22 and the convex-concave mold head 23 and the wavy mold head 24 and the arc-shaped mold head 25 to intermittently rotate.

The moving mechanism 3 comprises a supporting plate 30, a top plate 31, sliding grooves 32, electric sliding blocks 33, a connecting plate 34, rectangular moving boxes 35, rolling boxes 36, T-shaped rotating rods 37, rectangular through grooves 38 and a deformation plate 39, wherein the supporting plate 30 is symmetrically arranged on the upper end surface of an Contraband-shaped plate 1 from front to back, the top plate 31 is arranged on the upper end surface of the supporting plate 30, the sliding grooves 32 are symmetrically arranged on the right opposite surface of the shaped plate 1, the electric sliding blocks 33 are respectively arranged in the two groups of sliding grooves 32, the rectangular moving boxes 35 are arranged on the electric sliding blocks 33 through the connecting plate 34, the rectangular moving boxes 35 are rectangular hollow boxes with openings at the left ends, the size of the inner walls of the rectangular moving boxes 35 is consistent with that of the square plate 21, the rolling boxes 36 are symmetrically arranged on the front and back end surfaces of the left side of the rectangular moving boxes 35, the T-shaped rotating rods 37 are arranged in the rolling boxes 36, the lower ends of the T-shaped rotating rods 37 penetrate through the rolling, the upper end of the T-shaped rotating rod 37 penetrates through the rectangular through groove 38, the inner wall of the rectangular moving box 35 is symmetrically provided with a pulling through groove in the front and back, a deformation plate 39 is arranged in the pulling through groove, the front end and the back end of the deformation plate 39 are wound at the lower end of the T-shaped rotating rod 37, the two ends of the deformation plate 39 are positioned in the winding box 36, when the square plate 21 stops intermittently, the electric sliding block 33 drives the rectangular moving box 35 to move leftwards through the connecting plate 34, so that the rectangular moving box 35 is sleeved on a die head which rotates to the right end at the moment, the electric sliding block 33 stops moving when moving to the left end of the sliding groove 32, then the deformation plate 39 is pushed to be tightly attached to the die head through the die deformation mechanism 4 to carry out pressing deformation, at the moment, the deformation plate 39 is pulled out of one section from the winding box 36, the die deformation plate 39 is retracted by the die deformation mechanism 4 after, and (3) performing material injection molding, driving the rectangular movable box 35 to move rightwards by the electric sliding block 33 after injection molding so as to separate the rectangular movable box 35 from the mold head, and then rotating the T-shaped rotating rod 37 to withdraw and flatten the deformation plate 39, so that the deformation plate can be used next time.

The injection machine 311 is installed through the frame 310 that returns to shape in the middle part of the up end of roof 31, the pan feeding mouth has been seted up to the up end of injection machine 311, install end cover 315 on the pan feeding mouth, ejection of compact hose 312 is installed to the right-hand member face of injection machine 311, the up end of roof 31 has been seted up and has been placed logical groove 313, it communicates with rectangle logical groove 38 to place logical groove 313, ejection of compact hose 312 runs through and places logical groove 313, the ejection of compact through-hole has been seted up to the left side up end of rectangle removal box 35, the lower extreme of ejection of compact hose 312 is installed in the ejection of compact through-hole, open end cover 315 and put into injection machine 311 with the material, after electronic slider 33 drives rectangle removal box 35 and moves the right side certain distance, injection machine 311 work is with the material through ejection of compact hose.

The left side of the upper end face of the top plate 31 is provided with a threaded hole, the position of the threaded hole corresponds to the position of the through groove 10 of the leaky mold, a T-shaped screw 314 matched with the threaded hole is arranged in the threaded hole, a rectangular rubber layer is installed on the lower end face of the T-shaped screw 314, the T-shaped screw 314 moves downwards by rotating the T-shaped screw 314, the T-shaped screw 314 and a protective cover adhered to a mold head after molding push downwards, the protective cover is pushed away, the rectangular rubber layer plays a role in protecting the protective cover, and the surface of the protective cover is prevented from.

The die deformation mechanism 4 comprises a rubber air bag 40, a moving groove 41, a rectangular push plate 42, a first square through groove 43, a second square through groove 44, a fixing plate 45, a first limit box 46, a first expansion plate 47, a first corner plate 48, a second limit box 49, a second expansion plate 4a, a second corner plate 4b and an electric cylinder 4c, the rubber air bag 40 is arranged in the rectangular moving box 35, the rubber air bag 40 is positioned on the right side of the deformation plate 39, the moving groove 41 is symmetrically arranged on the front and back of the inner wall of the rectangular moving box 35, the rectangular push plate 42 is arranged in the moving groove 41, the front end and the back end of the rectangular push plate 42 move in the moving groove 41, the first square through groove 43 is symmetrically arranged on the front and back of the right end face of the rectangular push plate 42, the second square through groove 44 is equidistantly arranged on the front and back of the right end face of the rectangular push plate 42, and the second square through, the fixed plate 45 is fixedly installed in the rectangular moving box 35, the fixed plate 45 is positioned on the right side of the rectangular push plate 42, a first limiting box 46 is symmetrically installed on the front and back of the left end face of the fixed plate 45, a first expansion plate 47 is installed in the first limiting box 46, a first corner clamping plate 48 is installed at the left end of the first expansion plate 47, the first corner clamping plate 48 penetrates through the first square through groove 43, a second limiting box 49 is installed at the left end face of the fixed plate 45 at equal distance from the front to the back, a second expansion plate 4a is installed in the second limiting box 49, a second corner clamping plate 4b is installed at the left end face of the second expansion plate 4a, the second corner clamping plate 4b penetrates through the second square through groove 44, a circular through hole is formed in the fixed plate 45, an electric cylinder 4c is installed at the right end face of the inner wall of the rectangular moving box 35, a moving rod of the electric cylinder 4c penetrates through the circular through hole and is, the circular connecting through hole penetrates through the first card angle plate 48 and the second card angle plate 4b, when the die head is the wavy die head 24 and the arc die head 25, the electric cylinder 4c directly pushes the rectangular push plate 42 to move leftwards, the rectangular push plate 42 pushes the rubber air bag 40 to move, the rubber air bag 40 pushes the deformation plate 39 to deform, when the deformation plate 39 deforms, the electric cylinder 4c drives the rectangular push plate 42 to retract, when the die head is the rectangular die head 22, the first card angle plate 48 and the rectangular push plate 42 are clamped through the electric telescopic rod 353, so that the first card angle plate 48 is synchronously driven to move when the electric cylinder 4c pushes the rectangular push plate 42 to move, the first card angle plate 48 pushes the rubber air bag 40 and the deformation plate 39 to tightly adhere to each other, so that the deformation plate 39 and the corner of the rectangular die head 22 form a corner, and when the deformation plate 39 deforms, the electric cylinder 4c drives the rectangular push plate 42 to retract, when the mold head is the convex-concave mold head 23, the moving rod of the electric telescopic rod 353 continuously extends on the basis of contacting with the first corner clamping plate 48, the first corner clamping plate 48 and the second corner clamping plate 4b are clamped and clamped simultaneously by the moving rod of the electric telescopic rod 353, the first corner clamping plate 48 and the second corner clamping plate 4b push the rubber air bag 40 to tightly attach the deformation plate 39 to the corner of the convex-concave mold head 23, after the deformation plate 39 deforms, the electric air cylinder 4c drives the rectangular push plate 42 to retract, the first corner clamping plate 48 and the second corner clamping plate 4b move to respectively drive the first expansion plate 47 and the second expansion plate 4a to expand and contract, and therefore mold conversion is achieved.

The front end face and the rear end face of the rectangular moving box 35 are symmetrically provided with sliding through grooves 350, the sliding through grooves 350 are communicated with moving grooves 41, the front end face and the rear end face of the rectangular moving box 35 are symmetrically provided with moving plates 352 through electromagnets 351, electric telescopic rods 353 are installed on the moving plates 352 through supports, the moving ends of the electric telescopic rods 353 penetrate through the moving plates 352 and the electromagnets 351, when the die heads are rectangular die heads 22 or convex-concave die heads 23, the electric telescopic rods 353 work to clamp the first clamping plate 48 or the second clamping plate 4b with the rectangular push plate 42, when the electric cylinder 4c drives the rectangular push plate 42 to move leftwards, the electric telescopic rods 353 synchronously drive the moving plates 352 to move leftwards, and the electromagnets 351 avoid the moving plates 352 from falling.

When the die head switching device works, the motor 27 rotates to drive the driving shaft 28 to rotate, the driving shaft 28 drives the incomplete disc 29 and the rotating disc 2a to rotate synchronously, the rotating disc 2a drives the rotating column 2b to rotate synchronously, the rotating column 2b drives the grooved pulley 26 to rotate intermittently by 90 degrees when being contacted with the rectangular groove of the grooved pulley 26, the grooved pulley 26 drives the rotating shaft 20 to rotate intermittently by 90 degrees, the rotating shaft 20 drives the square plate 21 to rotate intermittently by 90 degrees, the square plate 21 drives the rectangular die head 22 and the convex-concave die head 23 as well as the wavy die head 24 and the arc die head 25 to rotate intermittently by 90 degrees simultaneously so as to realize the die head switching, when the square plate 21 stops intermittently, the electric slide block 33 drives the rectangular moving box 35 to move leftwards through the connecting plate 34, so that the rectangular moving box 35 is sleeved on the die head which rotates to the right end at the moment, and the electric slide block 33 stops moving when moving to, when the die head is the wavy die head 24 and the arc die head 25, the electric cylinder 4c directly pushes the rectangular push plate 42 to move leftwards, the rectangular push plate 42 pushes the rubber air bag 40 to move, the rubber air bag 40 pushes the deformation plate 39 to deform, after the deformation plate 39 deforms, the electric cylinder 4c drives the rectangular push plate 42 to retract, when the die head is the rectangular die head 22, the electric telescopic rod 353 is used for clamping the first corner plate 48 with the rectangular push plate 42, so that the electric cylinder 4c pushes the rectangular push plate 42 to move, the electric telescopic rod 353 is used for synchronously driving the first corner plate 48 to move, when the electric cylinder 4c drives the rectangular push plate 42 to move leftwards, the electric telescopic rod 353 is used for synchronously driving the movable plate 352 to move leftwards, the electromagnet 351 avoids the movable plate 352 from falling off, the first corner plate 48 pushes the rubber air bag 40 to be tightly attached to the deformation plate 39, so that the deformation plate 39 is tightly attached to the, when the deformation plate 39 deforms, the electric cylinder 4c drives the rectangular push plate 42 to retract, when the mold head is the convex-concave mold head 23, the moving rod of the electric telescopic rod 353 continuously extends on the basis of contacting with the first corner clamping plate 48, so that the first corner clamping plate 48 and the second corner clamping plate 4b are simultaneously clamped by the moving rod of the electric telescopic rod 353, the first corner clamping plate 48 and the second corner clamping plate 4b push the rubber air bag 40 to tightly attach the deformation plate 39 to the corner of the convex-concave mold head 23, when the deformation plate 39 deforms, the electric cylinder 4c drives the rectangular push plate 42 to retract, the first telescopic plate 47 and the second telescopic plate 4a are respectively driven to retract by the movement of the first corner clamping plate 48 and the second corner clamping plate 4b, so that the conversion of the mold is realized, the deformation plate 39 is pulled out from the winding box 36 by one section when the rubber air bag 40 extrudes, the deformation plate 39 is tightly attached to the mold deformation mechanism 4 after the deformation plate 39 and the mold head deform, the shape of the deformation plate 39 is fixed, then the electric sliding block 33 drives the rectangular moving box 35 to move rightwards for a certain distance, the injection machine 311 works to enable materials to flow into the deformation plate 39 and the mold head through the discharging hose 312 for injection molding, after injection molding, the electric sliding block 33 drives the rectangular moving box 35 to move rightwards so that the rectangular moving box 35 is separated from the mold head, then the T-shaped rotating rod 37 is rotated to take back and draw the deformation plate 39 to be flat for next use, then the square plate 21 is rotated intermittently to rotate the formed mold to the front, the T-shaped screw 314 is rotated to enable the T-shaped screw 314 to move downwards, the T-shaped screw 314 and a protective cover adhered to the mold head after forming are pushed downwards to push the protective cover away, the rectangular rubber layer plays a role in protecting the protective cover, the surface of the protective cover is prevented from being damaged, and the protective cover falls into the storage box 13, then, the L-shaped pulling plate 14 is pulled to pull out the storage case 13 and take out the molded protective cover.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A plastic accessory molding processing method uses a molding die which comprises an Contraband-shaped plate (1), a die head conversion mechanism (2), a moving mechanism (3) and a die deformation mechanism (4), and is characterized in that: the Contraband-shaped plate (1) is of a structure with a downward opening, the die head conversion mechanism (2) is arranged on the left side of the upper end face of the Contraband-shaped plate (1), 21274is arranged on the right side of the Contraband-shaped plate (1), the moving mechanism (3) is arranged on the right side of the Contraband-shaped plate, and the die deformation mechanism (4) is arranged in the moving mechanism (3);

adjusting operation, namely controlling the die head switching mechanism (2) to be adjusted to a specified working state through the moving mechanism (3) according to the actual specification of the plastic part, and adjusting the die head switching mechanism (2) to a state required to be used according to requirements to obtain a die with a specified shape;

the die head switching mechanism (2) comprises a rotating shaft (20), a square plate (21), a rectangular die head (22), a convex-concave die head (23), a wavy die head (24), an arc-shaped die head (25), a grooved pulley (26), a motor (27), a driving shaft (28), an incomplete disc (29), a rotating disc (2a) and a rotating column (2b), wherein the rotating shaft (20) is installed on the left side of the upper end surface of the Contraband-shaped plate (1) through a bearing, the rotating shaft (20) penetrates through the Contraband-shaped plate (1), the square plate (21) is sleeved on the rotating shaft (20), the rectangular die head (22), the convex-concave die head (23), the wavy die head (24) and the arc-shaped die head (25) are respectively installed on the four end surfaces of the square plate (21), the grooved pulley (26) is installed on the lower end surface of the rotating shaft (20), and four, a motor (27) is arranged at the right lower part of the grooved wheel (26), a driving shaft (28) is installed at the output shaft end of the motor (27), an incomplete disc (29) and a rotating circular plate (2a) are sequentially sleeved at the upper end of the driving shaft (28) from top to bottom, the upper end surface of the rotating circular plate (2a) is in contact with the lower end surface of the grooved wheel (26), a rotating column (2b) is installed on the rotating circular plate (2a), and the rotating column (2b) is located at the notch of the incomplete disc (29);

the moving mechanism (3) comprises a supporting plate (30), a top plate (31), sliding grooves (32), electric sliding blocks (33), a connecting plate (34), a rectangular moving box (35), a rolling box (36), a T-shaped rotating rod (37), rectangular through grooves (38) and deformation plates (39), wherein the supporting plate (30) is symmetrically arranged on the upper end surface of an Contraband-shaped plate (1) from front to back, the top plate (31) is arranged on the upper end surface of the supporting plate (30), the sliding grooves (32) are symmetrically arranged on the right opposite surfaces of the top plate (31) and the Contraband-shaped plate (1), the electric sliding blocks (33) are arranged in two groups of sliding grooves (32), the electric sliding blocks (33) are provided with the rectangular moving box (35) through the connecting plate (34), the rectangular moving box (35) is a rectangular hollow space with an opening at the left end, the size of the inner wall of the rectangular moving box (35) is consistent with the size of a square plate (21), the rolling box (36) is, a T-shaped rotating rod (37) is arranged in the winding box (36), the lower end of the T-shaped rotating rod (37) penetrates through the winding box (36), rectangular through grooves (38) are symmetrically formed in the front and back of the upper end face of the top plate (31), the upper end of the T-shaped rotating rod (37) penetrates through the rectangular through grooves (38), pulling through grooves are symmetrically formed in the front and back of the inner wall of the rectangular moving box (35), a deformation plate (39) is arranged in each pulling through groove, the front end and the back end of the deformation plate (39) are wound at the lower end of the T-shaped rotating rod (37), and the two ends of the deformation plate (39) are located in the winding;

the die deformation mechanism (4) comprises a rubber air bag (40), a moving groove (41), a rectangular push plate (42), a first square through groove (43), a second square through groove (44), a fixing plate (45), a first limiting box (46), a first expansion plate (47), a first corner clamping plate (48), a second limiting box (49), a second expansion plate (4a), a second corner clamping plate (4b) and an electric cylinder (4c), wherein the rubber air bag (40) is arranged in the rectangular moving box (35), the rubber air bag (40) is positioned on the right side of the deformation plate (39), the moving groove (41) is symmetrically formed in the front and back of the inner wall of the rectangular moving box (35), the rectangular push plate (42) is arranged in the moving groove (41), the front end and the back end of the rectangular push plate (42) move in the moving groove (41), the first square through groove (43) is symmetrically formed in the front and back of the right end face of the rectangular push plate (, the right end face of a rectangular push plate (42) is provided with two square through grooves (44) at equal intervals from front to back, the two square through grooves (44) are positioned between two groups of first square through grooves (43), a fixing plate (45) is fixedly arranged in a rectangular moving box (35), the fixing plate (45) is positioned on the right side of the rectangular push plate (42), a first limiting box (46) is symmetrically arranged on the front and back of the left end face of the fixing plate (45), a first expansion plate (47) is arranged in the first limiting box (46), a first clamping angle plate (48) is arranged at the left end of the first expansion plate (47), the first clamping angle plate (48) penetrates through the first square through grooves (43), a second limiting box (49) is equidistantly arranged on the left end face of the fixing plate (45) from front to back, a second expansion plate (4a) is arranged in the second limiting box (49), and a second clamping angle plate (4b) is arranged on the left end face of the second expansion, no. two card scute (4b) run through No. two square through groove (44), seted up the round through-hole on fixed plate (45), electric cylinder (4c) are installed to the inner wall right-hand member face that rectangle removed box (35), and the carriage release lever of electric cylinder (4c) runs through round through-hole fixed mounting at the right-hand member face of rectangle push pedal (42), and circular connecting hole has been seted up to the preceding terminal surface of rectangle push pedal (42), and circular connecting hole runs through a card scute (48) and No. two card scutes (4 b).

2. The method of claim 1, wherein the step of forming the plastic part comprises: the rectangle removes the both ends face symmetry of box (35) and has seted up slip logical groove (350), slip logical groove (350) and remove recess (41) intercommunication, the rectangle removes the both ends face around box (35) and installs movable plate (352) through electro-magnet (351) symmetry, there are electric telescopic handle (353) through the support mounting on movable plate (352), movable plate (352) and electro-magnet (351) are worn to establish by the removal end of electric telescopic handle (353).

3. The method of claim 1, wherein the step of forming the plastic part comprises: injection machine (311) are installed through returning to shape frame (310) in the middle part of the up end of roof (31), the pan feeding mouth has been seted up to the up end of injection machine (311), install end cover (315) on the pan feeding mouth, ejection of compact hose (312) are installed to the right-hand member face of injection machine (311), the up end of roof (31) has been seted up and has been placed logical groove (313), it leads to groove (38) intercommunication with the rectangle to place logical groove (313), ejection of compact hose (312) run through and place logical groove (313), ejection of compact through hole has been seted up to the left side up end of rectangle removal box (35), the lower extreme of ejection of compact hose (312) is installed in ejection.

4. The method of claim 1, wherein the step of forming the plastic part comprises: contraband horizontal segment upper end front end of shaped plate (1) seted up hourglass mould and led to groove (10), 21274, the horizontal segment below front side of shaped plate (1) is provided with brace table (11), install L shaped plate (12) on brace table (11), receiver (13) have been placed on L shaped plate (12), receiver (13) are the ascending rectangle box of opening, receiver (13) are located under hourglass mould leads to groove (10), L shape arm-tie (14) are installed to the preceding terminal surface of receiver (13).

5. The method of claim 1, wherein the step of forming the plastic part comprises: the left side of the upper end face of the top plate (31) is provided with a threaded hole, the position of the threaded hole corresponds to that of the through groove (10) of the stripping jig, a T-shaped screw (314) matched with the threaded hole is arranged in the threaded hole, and a rectangular rubber layer is arranged on the lower end face of the T-shaped screw (314).