CN111231211A

CN111231211A - Double-color injection equipment

Info

Publication number: CN111231211A
Application number: CN202010058163.0A
Authority: CN
Inventors: 周进祥
Original assignee: Dongguan Zhouxiang Plastic Technology Co ltd
Current assignee: Dongguan Zhouxiang Plastic Technology Co ltd
Priority date: 2020-01-19
Filing date: 2020-01-19
Publication date: 2020-06-05

Abstract

The invention relates to a double-color injection device, which comprises a rack, a fixed workbench and a movable workbench, wherein the fixed workbench is provided with a fixed die; the rotating device comprises a rotating disc and a driving and rotating mechanism, the rotating disc is arranged on an installation shaft of the moving workbench in a sleeved mode, the rotating disc is arranged on the installation shaft, the driving and rotating mechanism drives the rotating disc to rotate, the movable die is located on the rotating disc, the rotating disc is connected with the installation shaft in a sliding mode, and a first limiting part used for limiting the rotating disc to slide and separate from the installation shaft is detachably arranged on. When the first limiting piece is mounted on the mounting shaft, the first limiting piece limits the rotating disc to slide and separate from the mounting shaft so as to ensure the working stability of the rotating disc, and when the first limiting piece is separated from the mounting shaft, the rotating disc can slide and separate from the mounting shaft, so that the double-color injection device can be conveniently dismounted and mounted while ensuring the working stability of the double-color injection device.

Description

Double-color injection equipment

Technical Field

The invention relates to the technical field of double-color injection molding, in particular to double-color injection equipment.

Background

Two-color injection refers to a molding process in which two different materials are injected into the same set of mold, so that the injected part is formed by the two materials. The existing double-color injection machine is divided into a double-color rotating core type, a double-color rotating disc type and a color mixing (single nozzle type) according to the mixing mode and the effect of two colors. Wherein, double-colored carousel formula injection apparatus sets up the carousel on its travelling platform, then installs one pair or two pairs of moulds on the carousel, drives the change that the mould die cavity was realized to the rotation of mould through the carousel, and can set up two on the fixed travelling platform and penetrate the mouth in order to inject two different die cavities in the mould respectively to produce the double-colored goods of colour well-defined.

In order to improve the stability of the turntable in the rotating process of the existing double-color injection equipment, the turntable and parts related to the turntable are connected in a mode that the turntable is not easy to detach, such as welding, bolt connection, interference fit and the like. However, with the use of a dual color injection device, wear may occur between the turntable and the movable table, and between the turntable and the gears that drive the turntable to rotate. In order to reduce the abrasion of the double-color injection, the rotating disc and the related parts need to be maintained, when the rotating disc and the related parts are damaged, the corresponding parts need to be detached and maintained, and the connecting mode which is not easy to detach can cause the double-color injection device not to be convenient for the overhaul of workers.

Disclosure of Invention

The invention aims to provide a double-color injection device, which aims to solve the technical problem of ensuring the working stability of the double-color injection device and facilitating the disassembly and the assembly.

The above object of the present invention is achieved by the following technical solutions:

a double-color injection device comprises a rack, a fixed workbench fixedly arranged on the rack and a movable workbench slidably arranged on the rack, wherein a driving mechanism for driving the movable workbench to slide is installed on the rack;

the rotating device comprises an installation shaft and a sleeve which are arranged on the moving workbench, a rotating disc and a rotating disc rotating driving mechanism, wherein the rotating disc is arranged on the installation shaft, the sleeve is arranged on the moving workbench, the rotating disc is arranged on the installation shaft, the rotating disc is arranged on the rotating disc, the rotating disc is connected with the installation shaft in a sliding mode, and the installation shaft is detachably provided with a first limiting part for limiting the rotating disc to slide and separate from the installation shaft.

By adopting the technical scheme, the rotating disc is sleeved on the mounting shaft so that the rotating disc can rotate by taking the mounting shaft as the center, and the driving mechanism drives the rotating disc to rotate so that the rotating disc and the moving workbench rotate relatively, so that the moving die is driven to rotate;

when the first limiting part is installed on the installation shaft, the first limiting part limits the rotating disc to slide and separate from the installation shaft so as to guarantee the working stability of the rotating disc, and when the first limiting part separates from the installation shaft, the rotating disc can slide and separate from the installation shaft.

The invention is further configured to: the rotary disc is provided with a connecting assembly used for being connected with the movable die, the connecting assembly comprises a positioning screw rod fixedly arranged on the rotary disc and a positioning threaded sleeve in threaded connection with the positioning screw rod, the movable die is provided with a positioning hole for the positioning screw rod to pass through, and the positioning threaded sleeve compresses the movable die on the rotary disc.

Through adopting above-mentioned technical scheme, positioning screw is located to the locating hole cover so that the installation location of movable mould, then compresses tightly the movable mould in the rotary disk so that the movable mould installation is stable through the location swivel nut.

The invention is further configured to: the connecting assembly further comprises a pressing plate hinged to the rotating disc, a through groove for the positioning screw to penetrate through is formed in the pressing plate, and the pressing plate is pressed on the movable die through the positioning threaded sleeve.

Through adopting above-mentioned technical scheme, the location swivel nut compresses tightly the clamp plate in the movable mould so that the movable mould compresses tightly in the rotary disk, and the clamp plate has increased the contact surface between location swivel nut and the movable mould to improve the installation stability of movable mould.

The invention is further configured to: the outer circular surface of the rotating disc is provided with teeth, the driving mechanism comprises a driving gear which is rotatably arranged on the movable workbench and a driving motor which drives the driving gear to rotate, and the driving gear is in meshing transmission with the teeth of the rotating disc.

Through adopting above-mentioned technical scheme, the motor that drives the gear that drives and rotates in order to drive the rotary disk and rotate to make the rotary disk can drive the movable mould and rotate.

The invention is further configured to: the movable workbench is fixedly provided with a shaft seat, the shaft seat is provided with a driving rotating shaft for the driving gear to be sleeved with and slide, the driving rotating shaft is detachably provided with a second limiting part for limiting the driving rotating gear to be separated from the driving rotating shaft, the driving rotating gear rotates along with the driving rotating shaft, and the driving rotating motor drives the driving rotating shaft to rotate.

Through adopting above-mentioned technical scheme, the motor that drives changes orders about to drive the pivot and rotate in order to drive and change gear, the second locating part is installed when driving the pivot, the second locating part restriction drives the rotation gear and breaks away from the rotation that drives the pivot and can stabilize in order to guarantee to drive the gear, thereby make and drive the rotation disk of gear engagement and can stabilize the rotation, when the second locating part breaks away from with driving the pivot, thereby it can slide and break away from the drive pivot and be convenient for to drive the maintenance and the change of gear to drive the pivot, therefore, the setting up of second locating part makes and drives the dismouting of also can being convenient for when changing gear can the steady operation, thereby make this double-colored injection equipment can guarantee the dismouting of being convenient for when this double-colored injection equipment job stabilization.

The invention is further configured to: the rotating device further comprises an auxiliary rotating mechanism, the auxiliary rotating mechanism comprises at least two auxiliary rotating gears which are rotatably connected with the moving workbench, the auxiliary rotating gears are meshed with teeth of the rotating disk, and all the auxiliary rotating gears and the driving rotating gears are circumferentially distributed at intervals by taking the axis of the rotating disk as the center.

Through adopting above-mentioned technical scheme, assist the meshing of commentaries on classics gear and rotary disk to reduce the rotary disk and receive the skew that self action of gravity probably takes place in actual rotation process, in order to improve the rotational stability of rotary disk, and assist the commentaries on classics gear and can provide the rotary disk holding power in order to share the rotary disk and exert the epaxial power of installation, thereby reduce the installation axle because of the shearing force that rotary disk gravity produced with the life of postponing the installation axle.

The invention is further configured to: the rotating device further comprises a rotation limiting mechanism for limiting the rotation angle of the rotating disc, the rotation limiting mechanism comprises a rotation limiting piece arranged on the movable workbench in a sliding mode and a sliding driving cylinder for driving the rotation limiting piece to slide, a rotation limiting groove for the rotation limiting piece to be embedded in a sliding mode is formed in the outer circular surface of the rotating disc, and the rotation limiting groove is located on the inner walls of the two ends of the rotating disc in the rotation direction and used for the rotation limiting piece to abut against.

By adopting the technical scheme, when the fixed die is in work, the slide driving cylinder drives the rotation limiting piece to be slidably embedded into the rotation limiting groove, the rotating disk rotates until the inner wall of one end of the rotation limiting groove is abutted against the rotation limiting piece so as to limit the rotation of the rotating disk, and therefore the rotation angle of the rotating disk is controlled so that the fixed die can be stably matched with the fixed die;

when the rotary plate is overhauled and replaced, the slide driving cylinder drives the rotation limiting piece to be separated from the rotation limiting groove, so that the rotary plate can be separated from the mounting shaft in a sliding mode;

therefore, the rotation limiting mechanism can improve the accuracy of the rotation angle of the rotating disk so as to improve the working stability of the rotating disk.

The invention is further configured to: and the rotation limiting piece is provided with an electromagnet.

Through adopting above-mentioned technical scheme, the rotary disk rotates and contradicts with the limit commentaries on classics piece until limit groove inner wall, and the electro-magnet circular telegram produced the magnetic core this moment and carries out the magnetic adsorption with the rotating disc to make this double-colored injection equipment at the course of the work, the rotary disk can remain stable.

The invention is further configured to: the driving mechanism comprises a driving cylinder fixedly arranged on the frame, the end part of a first piston rod of the driving cylinder is fixedly connected with the movable workbench, and a sliding rail for the movable workbench to slide is arranged on the frame.

Through adopting above-mentioned technical scheme, it orders about first piston rod in order to drive the mobile workbench and slide along the slide rail to drive actuating cylinder to improve the stability that the mobile workbench removed.

In conclusion, the beneficial technical effects of the invention are as follows:

1. when the first limiting piece is installed on the installation shaft, the first limiting piece limits the rotating disc to slide and separate from the installation shaft so as to ensure the working stability of the rotating disc, and when the first limiting piece is separated from the installation shaft, the rotating disc can slide and separate from the installation shaft, so that the rotating disc can stably work and can be conveniently disassembled and assembled due to the arrangement of the first limiting piece, and the double-color injection equipment can be conveniently disassembled and assembled while the working stability of the double-color injection equipment is ensured;

2. the driving motor orders about the rotation of driving shaft in order to drive the rotation of driving gear, the second locating part is installed when driving the rotation shaft, the second locating part restriction driving gear breaks away from the rotation that driving shaft can be stable in order to guarantee the driving gear, thereby make the rotary disk in driving gear engagement can stably rotate, when the second locating part breaks away from with driving the rotation shaft, thereby driving the rotation gear and can sliding break away from the driving shaft and be convenient for to the maintenance and the change of driving gear, therefore, the setting of second locating part makes driving gear also can be convenient for the dismouting when can the steady operation, thereby make this double-colored injection equipment can guarantee the dismouting of being convenient for when this double-colored injection equipment job stabilization nature.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the mounting structure of the mobile workbench according to the present invention;

fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

In the figure, 1, a frame; 2. fixing a workbench; 3. moving the working table; 31. a shaft seat; 4. a drive mechanism; 41. a driving cylinder; 411. a first piston rod; 42. a slide rail; 5. fixing a mold; 6. a rotating device; 61. installing a shaft; 611. a water pipe is passed through a hole; 62. rotating the disc; 621. teeth; 622. a rotation limiting groove; 63. a drive mechanism; 631. driving a gear; 632. driving a motor; 633. a reduction gearbox; 634. a driving shaft; 6341. a card slot; 635. a second limiting member; 64. a first limit piece; 65. a connecting assembly; 651. positioning a screw rod; 652. positioning threaded sleeves; 653. pressing a plate; 6531. penetrating a groove; 66. an auxiliary rotating mechanism; 661. auxiliary rotating gears; 67. a rotation limiting mechanism; 671. a rotation limiting member; 672. a sliding driving cylinder; 7. and (4) moving the mold.

Detailed Description

A preferred embodiment of the present invention will be described in detail below with reference to the accompanying drawings.

Referring to fig. 1, the dual color injection device disclosed by the invention comprises a frame 1, a fixed workbench 2 fixedly arranged on the frame 1 and a movable workbench 3 slidably arranged on the frame 1. The fixed table 2 is located at one end of the machine frame 1 in the length direction, and the movable table 3 is located at the other end of the machine frame 1 in the length direction to move in a direction close to or away from the fixed table 2.

Specifically, a driving mechanism 4 for driving the movable table 3 to slide is mounted on the frame 1. The driving mechanism 4 includes a driving cylinder 41 fixedly provided to the frame 1. The driving cylinder 41 has a cylinder body and a first piston rod 411 slidably provided in the cylinder body. The axis of the first piston rod 411 is arranged in the horizontal direction and is the same as the longitudinal direction of the frame 1. The cylinder body is positioned on one side of the fixed workbench 2 far away from the movable workbench 3. An end of the first piston rod 411 passes through the stationary table 2 to be fixedly connected with the moving table 3. Preferably, the number of the first piston rods 411 is four, and the four first piston rods 411 are respectively and fixedly connected with the peripheral corners of the longitudinal section of the movable workbench 3.

Further, a slide rail 42 for sliding the movable table 3 is mounted on the frame 1. The slide rail 42 extends in the same direction as the longitudinal direction of the frame 1 so that the movable table 3 can slide stably along the slide rail 42.

The stationary table 2 is provided with a stationary mold 5 and an injection system (not shown in the figure). Correspondingly, the movable worktable 3 is provided with a rotating device 6, and the rotating device 6 is provided with a movable mold 7 matched with the fixed mold 5. The driving cylinder 41 drives the movable workbench 3 to move towards the fixed workbench 2 so that the fixed die 5 and the movable die 7 are matched to form a closed cavity, and the injection system is used for injecting liquid materials into the cavity so as to form a required workpiece in the cavity. Preferably, the number of the fixed molds 5 is two, and the number of the movable molds 7 is the same as that of the fixed molds 5.

Specifically, referring to fig. 2, the rotating device 6 includes a mounting shaft 61 disposed on the moving table 3, a rotating disk 62 sleeved on the mounting shaft 61, a driving mechanism 63 driving the rotating disk 62 to rotate, an auxiliary rotating mechanism 66 cooperating with the driving mechanism 63 to assist the rotating disk 62 to rotate, and a rotation limiting mechanism 67 limiting a rotation angle of the rotating disk 62.

The mounting shaft 61 is located on the side of the moving table 3 close to the stationary table 2. The axis of the mounting shaft 61 is parallel to the axis of the first piston rod 411 of the driving cylinder 41, and the mounting shaft 61 is rotatably connected to the movable table 3. The rotary plate 62 is disposed in a disk shape, and the axis of the rotary plate 62 coincides with the axis of the mounting shaft 61. The rotating disc 62 is provided with a through hole for the mounting shaft 61 to pass through. The through hole is sleeved on the mounting shaft 61 and is slidably connected with the mounting shaft 61, so that the rotating disc 62 can not only rotate around the mounting shaft 61, but also slide along the axial direction of the mounting shaft 61.

Further, a first stopper 64 for restricting the rotating disk 62 from sliding off the mounting shaft 61 is detachably provided on the mounting shaft 61. The first stopper 64 is located on a side of the rotating plate 62 away from the moving table 3. The rotating disc 62 is fitted on the mounting shaft 61 so that the rotating disc 62 can rotate around the mounting shaft 61, and the driving mechanism 63 drives the rotating disc 62 to rotate so that the rotating disc 62 and the moving table 3 rotate relatively to each other, thereby driving the moving mold 7 to rotate. When the first limiting member 64 is mounted on the mounting shaft 61, the first limiting member 64 limits the rotating disc 62 from sliding off the mounting shaft 61 to ensure the operating stability of the rotating disc 62, and when the first limiting member 64 is disengaged from the mounting shaft 61, the rotating disc 62 can slide off the mounting shaft 61. Preferably, the first position-limiting member 64 is a nut or a hoop. When the first position-limiting member 64 is a nut, the mounting shaft 61 is screwed to the nut so that the nut is detachable from the mounting shaft 61. When the first limiting member 64 is the hoop, the outer diameter of the hoop is larger than the diameter of the mounting shaft 61, and an annular caulking groove for installing the hoop is formed in the outer circumferential surface of the mounting shaft 61 at the end far away from the movable table 3.

The rotary plate 62 is made of a gear such that teeth 621 are provided on the outer circumferential surface of the rotary plate 62. The driving mechanism 63 includes a driving gear 631 in meshing transmission with the rotating disk 62 and a driving motor 632 for driving the driving gear 631 to rotate. The output shaft of the driving motor 632 is connected with a reduction box 633 for reducing the rotating speed output by the driving motor 632. The output shaft of the reduction gearbox 633 is used for driving the driving gear 631 to rotate.

Specifically, the movable table 3 is fixedly provided with a shaft seat 31, and the shaft seat 31 is located on one side of the rotating disc 62 far away from the fixed table 2. The driving motor 632 and the reduction gearbox 633 are positioned on one side of the shaft seat 31 far away from the fixed workbench 2. The shaft seat 31 is rotatably provided with a driving shaft 634 driven by an output shaft of the reduction gearbox 633 to rotate, and the axis of the driving shaft 634 is parallel to the axis of the mounting shaft 61. The driving gear 631 is located on the side of the shaft seat 31 close to the moving table 3. The driving gear 631 is provided with a through hole for the driving shaft 634 to pass through. The through hole is sleeved on the driving shaft 634 so that the driving gear 631 can slide along the axial direction of the driving shaft 634. The inner wall of the through hole is fixedly provided with a clamping block, the outer circular surface of the driving shaft 634 is fixedly provided with a clamping groove 6341 for clamping the clamping block, and the clamping block is clamped with the clamping groove 6341 so that the driving gear 631 rotates along with the driving shaft 634.

Further, a second limiting member 635 for limiting the driving gear 631 to disengage from the driving shaft 634 is detachably disposed on the driving shaft 634, and the second limiting member 635 is located at an end of the driving gear 631 away from the shaft seat 31. Preferably, the second limiting member 635 is a nut, and the second limiting member 635 is screwed to the driving shaft 634 so that the second limiting member 635 and the driving shaft 634 can be detachably connected. When the second limiting member 635 is mounted on the driving shaft 634, the second limiting member 635 limits the driving gear 631 to separate from the driving shaft 634 so as to ensure that the driving gear 631 can stably rotate, so that the rotating disc 62 engaged with the driving gear 631 can stably rotate, and when the second limiting member 635 is separated from the driving shaft 634, the driving gear 631 can slide and separate from the driving shaft 634, thereby facilitating the maintenance and replacement of the driving gear 631.

The auxiliary rotating mechanism 66 includes at least two auxiliary rotating gears 661 rotatably connected to the moving table 3. The axis of the auxiliary rotating gear 661 coincides with the axis of the rotating disk 62, the auxiliary rotating gear 661 meshes with the teeth 621 of the rotating disk 62, and all the auxiliary rotating gears 661 and the driving gears 631 are circumferentially distributed at equal intervals with the axis of the rotating disk 62 as a center. Preferably, the number of the auxiliary rotating gears 661 is three. The auxiliary rotating gear 661 is engaged with the rotating disk 62 to reduce the possible deviation of the rotating disk 62 due to its own weight during the actual rotation process, so as to improve the rotational stability of the rotating disk 62, and the auxiliary rotating gear 661 can provide the supporting force to the rotating disk 62 to share the force exerted by the rotating disk 62 on the mounting shaft 61, so as to reduce the shearing force of the mounting shaft 61 due to the weight of the rotating disk 62 and prolong the service life of the mounting shaft 61.

The rotation limiting mechanism 67 includes a rotation limiting member 671 slidably disposed on the movable table 3 and a slide driving cylinder 672 for driving the rotation limiting member 671 to slide. The driving sliding cylinder 672 is fixedly connected with the movable workbench 3. The slide driving cylinder 672 has a second piston rod, and the axis of the second piston rod is arranged in the horizontal direction. The end of the second piston rod is fixedly connected with the rotation limiting member 671. The rotation limiting member 671 is provided in a block shape. The outer circumferential surface of the rotating disc 62 is provided with a rotation limiting groove 622 for the rotation limiting piece 671 to be inserted in a sliding manner. The rotation limiting grooves 622 are formed on the inner walls of the two ends of the rotating disk 62 in the rotating direction for the rotation limiting members 671 to abut against. In operation, the slide driving cylinder 672 drives the rotation limiting member 671 to be slidably inserted into the rotation limiting groove 622, and the rotating disc 62 rotates until the inner wall of one end of the rotation limiting groove 622 abuts against the rotation limiting member 671 to limit the rotation of the rotating disc 62, so as to control the rotation angle of the rotating disc 62 to enable the movable mold 7 to be stably matched with the fixed mold 5. When the maintenance and replacement are performed, the slide driving cylinder 672 drives the rotation limiting member 671 to be separated from the rotation limiting groove 622, so that the rotating disc 62 can be separated from the mounting shaft 61 in a sliding manner.

Further, an electromagnet (not shown) is mounted on the rotation limiting member 671. The rotating disk 62 rotates until the inner wall of the rotation-limiting groove 622 collides with the rotation-limiting member 671, and the electromagnet is energized to generate the magnetic core so as to perform magnetic attraction on the rotating disk 62, so that the rotating disk 62 can be kept stable during the operation of the dual-color injection device.

It is worth mentioning that, referring to fig. 3, the rotating disk 62 is mounted with a connecting assembly 65 for connecting the movable mold 7. Each stationary mold 5 is provided with at least two connecting assemblies 65. Preferably, a single stationary mold 5 is provided with two connecting assemblies 65, the two connecting assemblies 65 being located at both ends of the stationary mold 5, respectively.

The connecting assembly 65 includes a positioning screw 651 fixedly disposed on the rotating disc 62, a positioning screw 652 threadedly coupled to the positioning screw 651, and a pressing plate 653 hinged to the rotating disc 62. The axis of the positioning screw 651 is parallel to the axis of the rotating disk 62. The movable mold 7 is provided with a positioning hole for the positioning screw 651 to pass through. The pressing plate 653 rotates to press against the side of the stationary mold 5 away from the rotating plate 62. The pressing plate 653 is provided with a through groove 6531 for the positioning screw 651 to pass through. The positioning nut 652 is located on the side of the pressure plate 653 remote from the stationary mold 5. The positioning screw 652 is rotated to move the positioning screw 652 in a direction to approach the rotary disk 62, and the positioning screw 652 presses the pressing plate 653 against the movable mold 7 to press the movable mold 7 against the rotary disk 62.

Further, referring to fig. 2, a cooling system (not shown) is mounted on the movable table 3. The cooling system circulates and circulates cooling water through the cooling water pipe. The mounting shaft 61 is provided with a water pipe passing hole 611 along its axis through which a cooling water pipe passes. A cooling pipeline for cooling water to flow is arranged in the rotating disc 62, and water inlets and water outlets of the cooling pipeline are all positioned on one surface of the rotating disc 62 far away from the moving workbench 3. The cooling water pipe passes through the mounting shaft 61 to communicate with the water inlet and outlet ports on the rotating disk 62.

The implementation principle of the embodiment is as follows: during operation, the driving cylinder 41 drives the first piston rod 411 to move so as to drive the moving table 3 to slide along the slide rail 42, the fixed mold 5 and the moving mold 7 are closed to form a cavity, the injection system injects a liquid material into the cavity for the first time to mold a first part, then the driving cylinder 41 drives the first piston rod 411 to move in the reverse direction so as to drive the moving table 3 to slide in the reverse direction along the slide rail 42, the fixed mold 5 and the moving mold 7 are separated, the driving motor 632 drives the driving gear 631 to rotate so as to rotate the rotating disk 62, then the driving cylinder 41 drives the moving table 3 to move so as to close the fixed mold 5 and the moving mold 7, and the injection system injects the liquid material for the second time to obtain a two-color finished product;

during maintenance, the driving cylinder 41 drives the first piston rod 411 to move reversely to drive the movable workbench 3 to slide reversely along the slide rail 42, the fixed mold 5 and the movable mold 7 are separated, the sliding driving cylinder 672 drives the rotation limiting member 671 to separate from the rotation limiting groove 622, the first limiting member 64 is detached to facilitate maintenance and replacement of the rotating disk 62, and the second limiting member 635 is detached to facilitate maintenance and replacement of the rotating gear 631.

The embodiments of the present invention are preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, wherein like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component. Therefore, the method comprises the following steps: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. A dual color injection device characterized by: the device comprises a rack (1), a fixed workbench (2) fixedly arranged on the rack (1) and a movable workbench (3) slidably arranged on the rack (1), wherein a driving mechanism (4) for driving the movable workbench (3) to slide is installed on the rack (1), a fixed die (5) is installed on the fixed workbench (2), a rotating device (6) is installed on the movable workbench (3), and a movable die (7) matched with the fixed die (5) is installed on the rotating device (6);

rotary device (6) including set up in installation axle (61), the cover of travelling table (3) are located rotary disk (62) of installation axle (61) and order about rotary disk (62) pivoted drive-rotate mechanism (63), movable mould (7) are located on rotary disk (62), rotary disk (62) with sliding connection between installation axle (61), can dismantle on installation axle (61) and be provided with the restriction rotary disk (62) slip and break away from first locating part (64) of installation axle (61).

2. A two-color injection device according to claim 1, wherein: the rotating disc (62) is provided with a connecting assembly (65) used for connecting the movable die (7), the connecting assembly (65) comprises a positioning screw rod (651) fixedly arranged on the rotating disc (62) and a positioning threaded sleeve (652) in threaded connection with the positioning screw rod (651), a positioning hole for the positioning screw rod (651) to penetrate through is formed in the movable die (7), and the positioning threaded sleeve (652) tightly presses the movable die (7) onto the rotating disc (62).

3. A two-color injection device according to claim 2, wherein: the connecting assembly (65) further comprises a pressing plate (653) hinged with the rotating disc (62), a through groove (6531) for the positioning screw rod (651) to penetrate through is formed in the pressing plate (653), and the pressing plate (653) is pressed on the movable die (7) through the positioning screw sleeve (652).

4. A two-color injection device according to claim 1, wherein: tooth (621) have on the excircle face of rotary disk (62), drive mechanism (63) including rotate set up in drive gear (631) of removal workstation (3) and drive rotate motor (632) that drive gear (631) pivoted, drive gear (631) with tooth (621) meshing transmission of rotary disk (62).

5. A two-color injection device according to claim 4, wherein: fixed axle bed (31) of being provided with on mobile workbench (3), install the confession on axle bed (31) drive commentaries on classics gear (631) cover and establish and gliding drive pivot (634), can dismantle on drive pivot (634) and be provided with the restriction drive commentaries on classics gear (631) breaks away from drive second locating part (635) of pivot (634), drive commentaries on classics gear (631) and follow drive pivot (634) rotate, drive commentaries on classics motor (632) and order about drive pivot (634) rotate.

6. A two-color injection device according to claim 4, wherein: rotary device (6) still include supplementary rotary mechanism (66), supplementary rotary mechanism (66) include at least two with removal workstation (3) rotate the supplementary gear (661) of changeing of being connected, assist gear (661) with tooth (621) meshing of rotary disk (62), all assist gear (661) of changeing with it uses to rotate gear (631) the axis of rotary disk (62) is central circumference interval distribution.

7. A two-color injection device according to claim 1, wherein: the rotating device (6) further comprises a rotation limiting mechanism (67) for limiting the rotation angle of the rotating disc (62), the rotation limiting mechanism (67) comprises a rotation limiting piece (671) which is arranged on the moving workbench (3) in a sliding mode and a sliding driving cylinder (672) which drives the rotation limiting piece (671) to slide, a rotation limiting groove (622) for enabling the rotation limiting piece (671) to be embedded in a sliding mode is formed in the outer circular surface of the rotating disc (62), and the rotation limiting groove (622) is located on the inner walls of the two ends of the rotating direction of the rotating disc (62) and used for abutting of the rotation limiting piece (671).

8. A two-color injection device according to claim 7, wherein: and an electromagnet is arranged on the rotation limiting piece (671).

9. A two-color injection device according to claim 1, wherein: actuating mechanism (4) including fixed set up in the drive actuating cylinder (41) of frame (1), drive actuating cylinder (41) first piston rod (411) tip with shift table (3) fixed connection, install the confession on frame (1) shift table (3) gliding slide rail (42).