阅读说明：本技术 多工位分度的转芯转模共用式转盘结构 (Multi-station indexing rotary core and rotary die shared rotary disc structure ) 是由 刘宏 叶军 严厚明 邹波 李淦荣 张文君 宋继沛 江伟元 于 2021-09-08 设计创作，主要内容包括：本发明提供了一种多工位分度的转芯转模共用式转盘结构,包括动模板以及连接于动模板的转芯装置和转盘装置,转芯装置和转盘装置能分别相对于动模板动作,转芯装置包括转芯机构和连接于转芯机构的转芯动力机构,转芯机构包括转芯轴,转芯动力机构动作以使转芯轴相对于动模板旋转；转芯机构内设置有连接于转芯轴及转盘装置的送液组件,送液组件用于输送液体,送液组件输送的液体作用于转芯轴以使转芯轴相对于动模板伸缩活动；转盘装置包括转盘机构和转盘动力机构,动模板连接有底板,转盘动力机构安装于底板,转盘动力机构动作以使转盘机构相对于动模板旋转。(The invention provides a multi-station indexing rotary core and rotary die shared rotary table structure, which comprises a movable die plate, a rotary core device and a rotary table device, wherein the rotary core device and the rotary table device are connected with the movable die plate; a liquid feeding assembly connected with the rotating mandrel and the rotating disc device is arranged in the rotating mandrel mechanism and used for conveying liquid, and the liquid conveyed by the liquid feeding assembly acts on the rotating mandrel so that the rotating mandrel can move relative to the rotating template in a telescopic manner; the rotating disc device comprises a rotating disc mechanism and a rotating disc power mechanism, the movable template is connected with a bottom plate, the rotating disc power mechanism is installed on the bottom plate, and the rotating disc power mechanism acts to enable the rotating disc mechanism to rotate relative to the movable template.)

1. A multi-station indexing rotary core and rotary die shared turntable structure is characterized by comprising a movable template, a rotary core device and a turntable device, wherein the rotary core device and the turntable device are connected to the movable template; a liquid feeding assembly connected with the rotating mandrel and the rotating disc device is arranged in the rotating mandrel mechanism, the liquid feeding assembly is used for conveying liquid, and the liquid conveyed by the liquid feeding assembly acts on the rotating mandrel so that the rotating mandrel can stretch and move relative to the movable template; the rotary table device comprises a rotary table mechanism and a rotary table power mechanism, the movable template is connected with a bottom plate, the rotary table power mechanism is installed on the bottom plate, and the rotary table power mechanism acts to enable the rotary table mechanism to rotate relative to the movable template.

2. The multi-station indexed rotary-core and rotary-die shared rotary table structure according to claim 1, wherein the liquid feeding assembly comprises a spindle core connected to the rotary table mechanism, the spindle core is sleeved on the rotary table core, and a rotary-core front cover and a rotary-core rear cover are arranged at two ends of the spindle core, so that the spindle core forms a sealed space on the rotary table core by the rotary-core front cover and the rotary-core rear cover, the rotary table core is sleeved with a piston member in the sealed space, the piston member is matched with an inner hole of the spindle core and divides the sealed space into a first sealed cavity and a second sealed cavity, the rotary-core front cover is close to the first sealed cavity, and the rotary-core rear cover is close to the second sealed cavity.

3. The multi-station indexed rotary core and rotary die shared type rotary table structure according to claim 2, wherein the spindle core is provided with a first liquid conveying hole and a second liquid conveying hole, the first liquid conveying hole is communicated with the first sealing cavity, and the second liquid conveying hole is communicated with the second sealing cavity; and the liquid is delivered to the second sealing cavity by the second liquid delivery hole so that the rotary mandrel extends and slides relative to the movable template, or the liquid is delivered to the first sealing cavity by the first liquid delivery hole so that the rotary mandrel retracts and slides relative to the movable template.

4. The multi-station indexed rotary core and rotary die shared rotary table structure according to claim 2, wherein the spindle core is sleeved with a spindle sleeve connected to the base plate, a rotatable first bearing assembly is disposed between the spindle sleeve and the spindle core, the first bearing assembly is configured to support the spindle core, and when the spindle core rotates with the rotary table mechanism, the spindle sleeve is prevented from rotating with the spindle core by the rotation of the first bearing assembly.

5. The multi-station indexed rotary-core and rotary-die shared rotary-disc structure according to claim 4, wherein the liquid feeding assembly further comprises an auxiliary shaft core, an auxiliary shaft sleeve and a plurality of liquid separating blocks located on the rotary-disc mechanism, the auxiliary shaft sleeve is fixedly connected with the main shaft core and rotates along with the main shaft core, a plurality of groups of channels for liquid circulation are arranged in the auxiliary shaft core, the auxiliary shaft sleeve and the main shaft core in a penetrating manner, and a sealing element is arranged at the butt joint of the channels of two adjacent parts; the auxiliary shaft sleeve is also sleeved with a rotation stopping flange which is fixedly connected to the main shaft sleeve, a flat key is arranged between the auxiliary shaft core and the rotation stopping flange, and the flat key is used for ensuring that the auxiliary shaft core does not rotate so as to facilitate the liquid to enter and exit from the end part of the auxiliary shaft core; the auxiliary shaft core is provided with a first joint and a second joint for entering and exiting liquid, the channel comprises a first channel communicated with the first sealing cavity and a second channel communicated with the second sealing cavity, the first joint is communicated with the first sealing cavity through the first channel, and the second joint is communicated with the second sealing cavity through the second channel; the liquid separating blocks are respectively communicated with the corresponding channels so as to feed liquid into the mold or recover the liquid in the mold.

6. The multi-station indexed rotary-core and rotary-die shared rotary table structure according to claim 1, wherein the rotary-core power mechanism comprises a mounting base, a hollow speed reducer, a spline housing, a position identifying sleeve and a rotary-core motor set, the mounting base is connected to a thimble back plate of the movable die plate, a spline groove matched with the spline housing is formed in the rotary core shaft, the spline housing and the position identifying sleeve are sequentially sleeved on the rotary core shaft, the spline housing and the position identifying sleeve are both located in the center of the hollow speed reducer, and the hollow speed reducer is mounted on the mounting base and is connected to the rotary core shaft through the position identifying sleeve and the spline housing; the rotary core motor set is arranged at the input end of the hollow speed reducer so as to amplify the torque of the rotary core motor set.

7. The multi-station indexing rotary core and rotary die shared type rotary table structure according to claim 6, wherein the position identifying sleeve comprises a plurality of detection layers, each detection layer is provided with a plurality of first detection pits, the mounting base is further provided with a plurality of first inductive switches, the first inductive switches can correspond to different detection layers, and the detection layers rotate along with the rotation of the rotary core shaft, so that the corresponding first inductive switches and the corresponding first detection pits on the detection layers are induced and generate corresponding induction signals, and the rotary core shaft can be stopped to rotate at a corresponding position, thereby realizing multi-station indexing of the rotary core shaft.

8. The multi-station indexed rotary core and rotary die shared turntable structure according to claim 1, wherein a gear assembly is arranged at an output end of the turntable power mechanism, the turntable mechanism comprises a turntable piece, a gear ring meshed with the gear assembly is arranged on the turntable piece along the circumferential direction of the turntable piece, and the turntable power mechanism acts to drive the gear assembly to be meshed with the gear ring for transmission so as to drive the turntable piece to rotate; the rotary plate is provided with a plurality of slots, the rotary plate mechanism is further provided with a bolt component matched with the slots, and the rotary plate is locked at different angle positions by matching the bolt component with different slots.

9. The multi-station indexing rotary core and rotary die shared type rotary table structure according to claim 8, wherein the rotary table piece is further provided with a plurality of induction zone layers along the circumferential direction of the rotary table piece, each induction zone layer is provided with a plurality of second detection pits, the rotary table mechanism comprises a pressing plate for reinforcing the installation of the rotary table piece, the pressing plate is provided with a plurality of second induction switches, the second induction switches can correspond to different induction zone layers, and the second induction switches corresponding to the second detection pits are matched with the corresponding second detection pits when the rotary table piece rotates and generate corresponding induction signals, so that the rotary table piece can be stopped to rotate at corresponding positions to realize multi-station indexing of the rotary table piece.

10. The multi-station indexing rotary core and rotary die shared turntable structure according to claim 8, wherein the turntable device further comprises a lifting mechanism for lifting the turntable, the lifting mechanism comprises a plurality of groups of lifting assemblies, a jacking assembly and a flower hole stud, the jacking assembly is positioned on two sides of the plurality of groups of lifting assemblies, the flower hole stud is used for jacking the inner lifting assembly, the lifting assemblies on the outer sides of the two sides are jacked inwards by the jacking assembly to abut against the smooth circular steps of the turntable, and the lifting assemblies on the inner side are jacked inwards by the flower hole stud to abut against the smooth circular steps of the turntable; the lifting assembly comprises lifting wheels and an adjustable seat plate, the lifting wheels are abutted against the turntable piece and are arranged on the adjustable seat plate, and the adjustable seat plate is movably arranged on the bottom plate; and adjusting the jacking assembly and the flower hole stud to enable the lifting assemblies to gather inwards and lift the rotary disc piece upwards.

Technical Field

The invention relates to the technical field of injection molding equipment, in particular to a multi-station indexing rotary core and rotary die shared turntable structure.

Background

The rotating die refers to that the rotating disc mechanism drives the whole movable die of the plastic die to rotate, and the rotating core refers to that the rotating disc mechanism drives a part of core plates or core shafts of the movable die of the plastic die to do linear reciprocating motion and rotating motion. The double-color or multi-color plastic products produced by the two action functions of the rotary die and the rotary core have different shape characteristics, for example, the rotary die can realize single-side full cladding, single-side partial cladding or double-side partial penetration, and the rotary core can realize double-side partial cladding, single-side partial cladding or double-side partial penetration, so that the rotary die and the rotary core have commonality and difference and cannot be completely replaced with each other. In the prior art, the two functions of the rotary die and the rotary core are usually independent in two different mechanisms, so how to integrate and compatible the two functions organically in the same set of rotary disc mechanism, the two functions can be converted simply, conveniently and quickly, a user can only invest in one set of equipment, but can realize the production of bicolor or multicolor plastic products with various shape characteristics, and the beneficial energy efficiency of the rotary die and the rotary core is obtained at the same time, so that the rotary die and the rotary core are the problems to be solved by the prior art, are the new requirements of the user market, and are the new trend of technical development progress.

Therefore, it is necessary to provide a common turntable structure for multi-station indexing of rotary dies and rotary cores, which integrates the rotary dies and the rotary cores into a whole, does not interfere with each other, and is convenient to switch.

Disclosure of Invention

The invention aims to provide a multi-station indexing rotary core and rotary die shared turntable structure which integrates a rotary die and a rotary core into a whole, does not interfere with each other and is convenient to switch.

In order to achieve the purpose, the invention provides a multi-station indexing rotary core and rotary die shared turntable structure, which comprises a movable die plate, a rotary core device and a turntable device, wherein the rotary core device and the turntable device are connected with the movable die plate; a liquid feeding assembly connected with the rotating mandrel and the rotating disc device is arranged in the rotating mandrel mechanism and used for conveying liquid, and the liquid conveyed by the liquid feeding assembly acts on the rotating mandrel so that the rotating mandrel can move relative to the rotating template in a telescopic manner; the rotating disc device comprises a rotating disc mechanism and a rotating disc power mechanism, the movable template is connected with a bottom plate, the rotating disc power mechanism is installed on the bottom plate, and the rotating disc power mechanism acts to enable the rotating disc mechanism to rotate relative to the movable template.

Preferably, send liquid subassembly including connecting in the main shaft core of carousel mechanism, the main shaft core cover is located to change the spindle and the both ends of main shaft core are provided with and change core protecgulum and change core back lid, borrow by and change core protecgulum and change core back lid so that the main shaft core is changeing epaxial formation of sealed space of spindle, it is equipped with the piston spare to change the core axle in the sealed space endotheca, the piston spare cooperates and separates into first sealed chamber and second sealed chamber with the sealed space with the hole of main shaft core, it is close to first sealed chamber to change the core protecgulum, it is close to the second sealed chamber to change core back lid.

Preferably, the main shaft core is provided with a first liquid conveying hole and a second liquid conveying hole, the first liquid conveying hole is communicated with the first sealing cavity, and the second liquid conveying hole is communicated with the second sealing cavity; the liquid is sent to the second sealing cavity by the second liquid conveying hole so that the rotary mandrel extends and slides relative to the movable template, or the liquid is sent to the first sealing cavity by the first liquid conveying hole so that the rotary mandrel retracts and slides relative to the movable template.

Preferably, the spindle core is sleeved with a spindle sleeve connected to the base plate, a rotatable first bearing assembly is arranged between the spindle sleeve and the spindle core, the first bearing assembly is used for supporting the spindle core, and when the spindle core rotates along with the turntable mechanism, the spindle sleeve is prevented from rotating along with the spindle core by the rotation of the first bearing assembly.

Preferably, the liquid feeding assembly further comprises an auxiliary shaft core, an auxiliary shaft sleeve and a plurality of liquid separating blocks located on the turntable mechanism, the auxiliary shaft sleeve is fixedly connected with the main shaft core and rotates along with the main shaft core, a plurality of groups of channels for liquid circulation are arranged in the auxiliary shaft core, the auxiliary shaft sleeve and the main shaft core in a penetrating manner, and a sealing element is arranged at the butt joint position of the channels of the two adjacent parts; the auxiliary shaft sleeve is also sleeved with a rotation stopping flange which is fixedly connected to the main shaft sleeve, a flat key is arranged between the auxiliary shaft core and the rotation stopping flange, and the flat key is used for ensuring that the auxiliary shaft core does not rotate so as to facilitate the liquid to enter and exit from the end part of the auxiliary shaft core; the auxiliary shaft core is provided with a first joint and a second joint for liquid inlet and outlet, the channels comprise a first channel communicated with the first sealing cavity and a second channel communicated with the second sealing cavity, the first joint is communicated with the first sealing cavity through the first channel, and the second joint is communicated with the second sealing cavity through the second channel; the liquid separating blocks are respectively communicated with the corresponding channels so as to feed liquid into the mold or recover the liquid in the mold.

Preferably, the rotary core power mechanism comprises a mounting seat, a hollow speed reducer, a spline sleeve, a position identifying sleeve and a rotary core motor set, the mounting seat is connected with the thimble back plate of the movable template, a spline groove matched with the spline sleeve is arranged on the rotary core shaft, the spline sleeve and the position identifying sleeve are sequentially sleeved on the rotary core shaft, the spline sleeve and the position identifying sleeve are both positioned at the center of the hollow speed reducer, and the hollow speed reducer is mounted on the mounting seat and is connected with the rotary core shaft through the position identifying sleeve and the spline sleeve; the rotary core motor set is arranged at the input end of the hollow speed reducer so as to amplify the torque of the rotary core motor set.

Preferably, distinguish the position cover and include a plurality of detection layers, all be provided with a plurality of first detection pits on every detection layer, still be provided with a plurality of first inductive switch on the mount pad, a plurality of first inductive switch can correspond different detection layers, a plurality of detection layers rotate along with the rotation of commentaries on classics dabber, so that corresponding first inductive switch and the first detection pit response that corresponds on the detection layer generate corresponding inductive signal, thereby make the commentaries on classics dabber can only change in corresponding position, in order to realize the multistation graduation of commentaries on classics dabber.

Preferably, the output end of the turntable power mechanism is provided with a gear assembly, the turntable mechanism comprises a turntable piece, a gear ring meshed with the gear assembly is arranged on the turntable piece along the circumferential direction of the turntable piece, and the turntable power mechanism acts to drive the gear assembly to be meshed with the gear ring for transmission so as to drive the turntable piece to rotate; be provided with a plurality of slots on the carousel spare, still be provided with on the carousel mechanism with slot complex bolt subassembly, borrow by bolt subassembly and the slot cooperation of difference so that the carousel spare locking is in different angular position.

Preferably, the carousel still is provided with a plurality of induction zone layers along its circumference, all be provided with a plurality of second on every induction zone layer and detect the pit, carousel mechanism is including the clamp plate that is used for consolidating the installation of carousel, be provided with a plurality of second inductive switch on the clamp plate, a plurality of second inductive switch can correspond different induction zone layers, corresponding second inductive switch detects the pit cooperation with the second that corresponds and generates corresponding inductive signal when the carousel rotates, thereby make the carousel can only rotate on corresponding position, with the multistation graduation that can realize the carousel.

Preferably, the turntable device further comprises a lifting mechanism for lifting the turntable, the lifting mechanism comprises a plurality of groups of lifting assemblies, a jacking assembly and a flower hole stud, the jacking assembly is positioned on two sides of the plurality of groups of lifting assemblies, the flower hole stud is used for jacking an inner lifting assembly, the lifting assemblies on the outer sides of two sides are jacked to the inner side by the jacking assembly and abutted to the light circular steps of the turntable, the inner lifting assembly is jacked to the inner side by the flower hole stud and abutted to the light circular steps of the turntable, the lifting assembly comprises a lifting wheel and an adjustable seat plate, the lifting wheels are abutted to the turntable, the lifting wheel is mounted on the adjustable seat plate, and the adjustable seat plate is movably mounted on the bottom plate; the jacking components and the flower hole studs are adjusted to enable the lifting components to gather inwards and lift the rotary disc upwards.

Compared with the prior art, the multi-station indexing core-rotating and die-rotating shared turntable structure comprises the movable die plate, the core-rotating device and the turntable device which are connected with the movable die plate, wherein the core-rotating device and the turntable device can respectively act relative to the movable die plate, two functions of the core rotating and the die rotating are integrated and compatible in the same multi-station indexing core-rotating and die-rotating shared turntable structure, one key can be selected through a control computer for switching, the core rotating and die rotating shared turntable structure is not required to be disassembled and replaced, and the use is more convenient. The core rotating device and the turntable device can realize multi-station indexing, and the multi-station indexing core rotating and mold rotating shared turntable structure can be used for two-color, three-color and four-color injection molding machines; the indexing action process of 0-180-0 can be realized when the injection molding machine is used for a two-color injection molding machine, the indexing action process of 0-120-240-0 can be realized when the injection molding machine is used for a three-color injection molding machine, and the indexing action process of 0-90-180-270-0 can be realized when the injection molding machine is used for a four-color injection molding machine. The liquid (mainly oil or water) is conveyed through the auxiliary shaft core and the auxiliary shaft sleeve of the liquid conveying assembly, so that the liquid leakage caused by abrasion of the sealing ring due to stress bending deformation of the main shaft core is avoided, the sealing is more reliable, and the service life of the part is prolonged. In the lifting mechanism, each lifting wheel can be independently adjusted, all the wheels can be tightly propped against the turntable, the lifting mechanism is reliable and effective, the lifting force is large, and the turntable can be effectively prevented from falling and inclining forwards after a mold load is installed. The multi-station indexing rotary core and rotary die shared rotary table structure integrates a rotary core device and a rotary table device, the rotary core function and the rotary die function are not interfered with each other, the switching is convenient, and the structural design is reasonable.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic view of an internal structure of a multi-station indexing rotary core and rotary die shared rotary table structure according to an embodiment of the present invention.

Fig. 2 is a schematic view showing a structure of the rotary core device of fig. 1 engaged with a movable die plate.

Fig. 3 is a schematic view of a liquid feeding structure of the liquid feeding unit in fig. 1.

Fig. 4 is a schematic view of the structure of fig. 2 from another angle.

Fig. 5 is a partial structure diagram of the core-rotating power mechanism in fig. 1.

Fig. 6 is a schematic view of the structure of fig. 1 for multi-station indexing of the rotary shaft.

Fig. 7 is a schematic view of an angle structure of the turntable device in fig. 1.

Fig. 8 is a side view of the carousel of fig. 7.

Fig. 9 is a schematic view of the structure of the rotary table member of fig. 8 for multi-station indexing.

Description of reference numerals:

100. the multi-station indexing rotary core and rotary die share a rotary table structure; 101. moving the template; 1011. a thimble back plate; 102. a core rotating device; 103. a turntable device; 104. a base plate;

10. a core rotating mechanism; 11. rotating the mandrel; 111. a piston member; 112. a spline groove; 12. a spindle core; 121. a core rotating front cover; 122. rotating the core and then covering; 123. sealing the space; 1231. a first sealed chamber; 1232. a second sealed chamber; 124. a first fluid carrying aperture; 125. a second fluid carrying aperture; 13. a main shaft sleeve; 14. a secondary shaft core; 141. a first joint; 142. a second joint; 143. a first channel; 144. a second channel; 145. a flat bond; 15. an auxiliary shaft sleeve; 16. a rotation stopping flange; 17. a first bearing assembly; 18. a second bearing assembly;

20. a core rotating power mechanism; 21. a core-rotating motor set; 22. a mounting seat; 23. a hollow speed reducer; 24. a spline housing; 25. a position identifying sleeve; 26. a first inductive switch (26A, 26B, 26C, 26D); first detection pits (E0, F0, G0, H0, E12, E18, F9, F12, F24, G9, G24, H9);

30. a turntable mechanism; 31. a turntable; 311. separating liquid blocks; 312. a slot; 313. a ring gear; 314. a first sensing region layer; 315. a second sensing region layer; 316. a smooth circular step; 32. pressing a plate; 33. a plug pin assembly; 331. a bolt oil cylinder; 332. a bolt; 34. a second inductive switch (34A, 34B, 34C, 34D); second detection pits (C0, D0, C12, C18, C24, D9, D27, a0, B0, a9, a18, a24, B12, B18, B27);

40. a turntable power mechanism; 41. a turntable motor group; 42. a gear assembly;

50. a lifting mechanism; 51. a lifting assembly; 511. a lifting wheel; 512. an adjustable seat plate; 52. jacking the assembly; 521. a jacking block; 522. tightly jacking the stud; 53. a flower hole stud;

60. a demoulding oil cylinder mechanism.

Detailed Description

In order to explain technical contents and structural features of the present invention in detail, the following description is made with reference to the embodiments and the accompanying drawings.

Referring to fig. 1 and 2, the present invention provides a multi-station indexing rotary core and rotary die shared turntable structure 100, which includes a movable die plate 101, a rotary core device 102 and a turntable device 103 connected to the movable die plate 101. And the actions of the core rotating device 102 and the rotary disc device 103 are not interfered with each other, so that the function can be conveniently switched. The core rotating device 102 includes a core rotating mechanism 10 and a core rotating power mechanism 20 connected to the core rotating mechanism 10, the core rotating mechanism 10 includes a core rotating shaft 11, and the core rotating power mechanism 20 operates to rotate the core rotating shaft 11 relative to the movable mold plate 101. The core rotating mechanism 10 further comprises a liquid feeding assembly connected to the rotating core shaft 11 and the rotating disc device 103, the liquid feeding assembly is used for feeding liquid, and the liquid fed by the liquid feeding assembly acts on the rotating core shaft 11 to enable the rotating core shaft 11 to move relative to the movable mould plate 101 in a telescopic mode. That is, the rotary shaft 11 can perform a rotational movement and/or a linear expansion and contraction movement with respect to the movable die plate 101. On the other hand, the turntable device 103 includes a turntable mechanism 30 and a turntable power mechanism 40, the movable platen 101 is connected to a base plate 104, the turntable power mechanism 40 is attached to the base plate 104, and the turntable power mechanism 40 operates to rotate the turntable mechanism 30 with respect to the movable platen 101. It is understood that, in the present embodiment, the rotary shaft 11 and the rotary mechanism 30 can independently operate with respect to the movable die plate 101 without interfering with each other.

Referring to fig. 1 to 4, in some alternative embodiments, the liquid feeding assembly includes a spindle core 12 connected to the turntable mechanism 30, the spindle core 12 is sleeved on the spindle shaft 11, a spindle front cover 121 and a spindle rear cover 122 are disposed at two ends of the spindle core 12, and the spindle core 12 forms a sealed space 123 on the spindle shaft 11 by the spindle front cover 121 and the spindle rear cover 122. The rotating shaft 11 is provided with a piston member 111 in the sealing space 123, the piston member 111 is engaged with the inner hole of the main shaft core 12 and divides the sealing space 123 into a first sealing cavity 1231 and a second sealing cavity 1232, the rotating front cover 121 is close to the first sealing cavity 1231, and the rotating rear cover 122 is close to the second sealing cavity 1232. The main shaft core 12 is further provided with a first liquid conveying hole 124 and a second liquid conveying hole 125, the first liquid conveying hole 124 is communicated with the first sealed cavity 1231, and the second liquid conveying hole 125 is communicated with the second sealed cavity 1232. The liquid is sent to the second sealed cavity 1232 through the second liquid conveying hole 125 to make the rotary mandrel 11 extend and slide relative to the movable mold plate 101, or the liquid is sent to the first sealed cavity 1231 through the first liquid conveying hole 124 to make the rotary mandrel 11 retract and slide relative to the movable mold plate 101. Namely, the second sealed chamber 1232 is filled with liquid to make the rotary mandrel 11 extend and slide forward, and the first sealed chamber 1231 is filled with liquid to make the rotary mandrel 11 contract and slide backward. Illustratively, the liquid may be an oil.

Referring to fig. 1 to 4, in some alternative embodiments, the spindle core 12 is sleeved with a spindle sleeve 13 connected to the bottom plate 104, a first rotatable bearing assembly 17 is disposed between the spindle sleeve 13 and the spindle core 12, the first bearing assembly 17 is used for supporting the spindle core 12, and when the spindle core 12 rotates with the turntable mechanism 30, the rotation of the spindle sleeve 13 with the spindle core 12 is prevented by the rotation of the first bearing assembly 17.

Referring to fig. 1 to 4, in some alternative embodiments, the liquid feeding assembly further includes a secondary shaft core 14, a secondary shaft sleeve 15, and a rotation stopping flange 16, which are located between the rotary core power mechanism 20 and the primary shaft core 12, and a plurality of liquid distributing blocks 311 located on the rotary disk mechanism 30. The auxiliary shaft sleeve 15 is fixedly connected with the main shaft core 12 and rotates along with the main shaft core 12, a plurality of groups of channels for liquid circulation are arranged in the auxiliary shaft core 14, the auxiliary shaft sleeve 15 and the main shaft core 12 in a penetrating mode, and sealing parts are arranged at the butt joint positions of the channels of the two adjacent parts, so that the sealing performance of the whole channel is better. The auxiliary shaft sleeve 15 is also sleeved with a rotation stopping flange 16, the rotation stopping flange 16 is fixedly connected to the main shaft sleeve 13, a flat key 145 is arranged between the auxiliary shaft core 14 and the rotation stopping flange 16, and the flat key 145 is used for ensuring the auxiliary shaft core 14 not to rotate so as to enter and exit liquid at the end part of the auxiliary shaft core 14. Namely, the liquid (mainly oil and water) is conveyed through the auxiliary shaft core 14 and the auxiliary shaft sleeve 15, so that the liquid leakage caused by abrasion of a sealing ring due to the forced bending deformation of the main shaft core 12 is avoided. The auxiliary shaft core 14 is provided with a first joint 141 and a second joint 142 for entering and exiting liquid, and the passages include a first passage 143 communicated with the first seal chamber 1231 and a second passage 144 communicated with the second seal chamber 1232. Of course, the auxiliary shaft core 14 may be provided with not only the first joint 141 and the second joint 142, but also other joints for liquid to enter and exit, and a plurality of joints may be arranged at regular intervals and at equal intervals along the circumferential direction of the auxiliary shaft core 14. In addition, the passages include not only the first passage 143 and the second passage 144 but also other passages that can communicate with the joint and the liquid separation block 311, and a plurality of sets of passages are provided in the auxiliary shaft core 14, the auxiliary shaft sleeve 15, and the main shaft core 12 in the circumferential direction. Namely, the liquid feeding assembly can provide power for the telescopic movement of the rotary shaft 11, and can also be communicated with the liquid dividing block 311 on the rotary disc member 31 to input liquid into the mold or output liquid in the mold. Specifically, the first joint 141 communicates with the first sealed chamber 1231 through the first passage 143, and the second joint 142 communicates with the second sealed chamber 1232 through the second passage 144. The plurality of liquid separation blocks 311 are respectively communicated with the corresponding channels to feed liquid into the mold or recover the liquid in the mold. In this embodiment, the second bearing units 18 are disposed at two ends of the inner bore of the auxiliary shaft sleeve 15 for supporting the auxiliary shaft core 14, grooves and sealing rings are disposed at intervals on the outer circumferential surface of the auxiliary shaft core 14, and the outer circumferential surface of the auxiliary shaft core 14 and the inner bore of the auxiliary shaft sleeve 15 are fitted together to form a passage for conveying liquid. A flat key 145 is arranged between the auxiliary shaft core 14 and the rotation stopping flange 16, the rotation stopping flange 16 is fixedly connected to the main shaft sleeve 13, and the effect of the flat key 145 ensures that the auxiliary shaft core 14 cannot rotate, so that the liquid (mainly oil or water) which is not qualified is converted into the liquid which can rotate along with the rotating disc member 31. On the other hand, a liquid inlet joint for feeding liquid into the mold and a return joint for recovering the liquid in the mold are provided on the spindle core 12. The liquid inlet joint conveys liquid to the liquid distribution block 311 on the rotary disc piece 31, the liquid is connected into the mold through the liquid distribution block 311, after the use function is completed, the liquid is connected into the other liquid distribution block 311 from the mold in a conveying way, and finally is connected back from the backflow joint, so that the conveying circulation of the liquid is realized, and the conveying circulation comprises the output and the return.

Referring to fig. 1 to 5, in some alternative embodiments, the rotary core power mechanism 20 includes a mounting base 22, a hollow speed reducer 23, a spline housing 24, a position-identifying sleeve 25, and a rotary core motor set 21. The mounting seat 22 is connected to the thimble back plate 1011 of the movable die plate 101, and the rotary core shaft 11 is provided with a spline groove 112 engaged with the spline housing 24. The spline housing 24 and the position identifying sleeve 25 are sequentially sleeved on the rotating mandrel 11, and the spline housing 24 is matched with the spline groove 112 so as to drive the rotating mandrel 11 to rotate. The spline housing 24 and the position identifying housing 25 are both located at the center of the hollow speed reducer 23, and the hollow speed reducer 23 is mounted on the mounting base 22 and connected to the rotating mandrel 11 through the position identifying housing 25 and the spline housing 24. The rotary core motor set 21 is installed at the input end of the hollow speed reducer 23 to amplify the torque of the rotary core motor set 21, and the rotation function of the rotary core shaft 11 is realized by the matching transmission of the spline housing 24 and the spline groove 112 and the provision of sufficient torque power.

Referring to fig. 5 and 6, in some alternative embodiments, the position-identifying sleeve 25 includes a plurality of detection layers, each of which is provided with a plurality of first detection pits, and the plurality of first detection pits may include E0, F0, G0, H0, E12, E18, F9, F12, F24, G9, G24, and H9. The mounting base 22 is further provided with a plurality of first inductive switches 26, and the plurality of first inductive switches 26 may include 26A, 26B, 26C and 26D located at different positions. The plurality of first inductive switches 26 can correspond to different detection layers, and the plurality of detection layers rotate along with the rotation of the rotary mandrel 11, so that the corresponding first inductive switches 26 sense the first detection pits on the corresponding detection layers and generate corresponding sensing signals, and the rotary mandrel 11 can stop rotating at a corresponding position to realize multi-station indexing of the rotary mandrel 11. Specifically, four first inductive switches 26A, 26B, 26C, and 26D with different angles and hierarchical positions are mounted on the base 13, and the cooperation between the first inductive switch 26 and the first detection recess can generate a suitable beacon to identify six specific target angles of 0 degree, 90 degrees, 120 degrees, 180 degrees, 240 degrees, and 270 degrees, so as to implement the multi-station indexing function of the spindle 11. Illustratively, the rotary shaft 11 senses the switches 26A, 26B, 26C, and 26D at 0 degrees, detecting that the generated beacon is 0000; when the rotating shaft 11 is at 90 degrees, the inductive switches 26A, 26B, 26C and 26D detect that the generated beacon is 1000; when the rotating shaft 11 is at 120 degrees, the inductive switches 26A, 26B, 26C and 26D detect that the generated beacon is 0011; when the rotating shaft 11 is at 180 degrees, the inductive switches 26A, 26B, 26C and 26D detect that the generated beacon is 0010; when the rotating shaft 11 is at 240 degrees, the inductive switches 26A, 26B, 26C and 26D detect that the generated beacon is 1001; at 270 degrees of the rotating shaft 11, the inductive switches 26A, 26B, 26C, and 26D detect the generated beacon as 1010. The six beacons are not repeated with beacons at other angle positions, and correspond to six specific angles of 0 degree, 90 degrees, 120 degrees, 180 degrees, 240 degrees and 270 degrees one by one, so that a control computer of the injection molding machine can conveniently identify the angle position of the rotating core shaft 11.

TABLE 1 core rotation angle identification results (example)

The core rotating function has the following embodiments: in the first implementation mode, in the action process of 0-180-0 index of the two-station core rotating, the core rotating shaft 11 extends out at the position of 0 degree and then rotates 180 degrees to retract; the next cycle is extended at the 180 degree position and retracted by rotating 180 degrees to the 0 degree position, and so on. In the second embodiment, the three-station core-rotating indexing 0-120 and 240-0 movement process is that the core-rotating shaft 11 extends out when in the 0-degree position, rotates to the 120-degree position, and then retracts; the next cycle extends when the position is 120 degrees and then rotates to 240 degrees and retracts; and the next period is extended when the position is 240 degrees, and retracted when the position is rotated to 0 degree, and the steps are repeated. In the third implementation mode, the four-station core rotating scale division is performed in the motion process of 0-90-180-270-0, the core rotating shaft 11 extends out when in the position of 0 degree and retracts when rotating to the position of 90 degrees; the next cycle extends when the position is 90 degrees and retracts when the position is rotated to 180 degrees; the next period extends out at the position of 180 degrees and retracts after rotating to the position of 270 degrees; and the next period is extended at the 270-degree position, then rotated to the 0-degree position, retracted and repeated.

Referring to fig. 7, in some alternative embodiments, the turntable power mechanism 40 includes a turntable motor set 41 and a gear assembly 42, and the gear assembly 42 is disposed at an output end of the turntable motor set 41. The turntable mechanism 30 comprises a turntable 31, the turntable 31 is provided with a gear ring 313 meshed with the gear assembly 42 along the circumferential direction, and the turntable power mechanism 40 acts to drive the gear assembly 42 to be meshed with the gear ring 313 for transmission so as to drive the turntable 31 to rotate. The turntable 31 is provided with a plurality of slots 312, the turntable mechanism 30 is further provided with a latch assembly 33 engaged with the slots 312, and the latch assembly 33 is engaged with different slots 312 to position the turntable 31 at different angular positions.

Referring to fig. 7 to 9, in some alternative embodiments, the turntable 31 is further provided with a plurality of sensing area layers along the circumferential direction, and each sensing area layer is provided with a plurality of second detection pits. The turntable mechanism 30 comprises a pressing plate 32 used for reinforcing the installation of the turntable 31, a plurality of second inductive switches 34 are arranged on the pressing plate 32, the second inductive switches 34 can correspond to different induction zone layers, and the corresponding second inductive switches 34 and corresponding second detection pits are matched and generate corresponding induction signals when the turntable 31 rotates, so that the turntable 31 can be stopped at corresponding positions, and multi-station indexing of the turntable 31 can be realized. The light circular step 316 of the turntable 31 is provided with a plurality of detection pits a0, B0, C0, D0, a9, a18, a24, B12, B18, B27, C12, C18, C24, D9, and D27 at different angles and different hierarchical positions. Four second inductive switches 34 having different angles and gradation positions are mounted on the pressure plate 32, and the second inductive switches 34 include 34A, 34B, 34C, and 34D. Wherein 34C and 34D in the second sensing switch 34, and second sensing pits C0, D0, C12, C18, C24, D9, D27 are in the second sensing zone layer 315 and 34A and 34B in the second sensing switch 34, and second sensing pits a0, B0, a9, a18, a24, B12, B18, and B27, and the plurality of slots 312 are in the first sensing zone layer 314. Thus, the second sensing switches 34C and 34D do not generate a sensing signal with the second sensing recess and the slot 312 gap in the first sensing area layer 314. The second sensing switches 34A and 34B do not generate sensing signals with the second sensing pits in the second sensing zone layer 315, and the layered arrangement has the effect of non-interference. The cooperation of the second inductive switch 34 and the second detection recess can generate a suitable beacon to identify six specific target angles of 0 degrees, 90 degrees, 120 degrees, 180 degrees, 240 degrees, and 270 degrees for implementing the multi-station indexing function of the carousel 31. When the turntable 31 is at the 0 degree position, the beacons generated by the second inductive switches 34A, 34B, 34C, and 34D are 0000. At the 90 degree position, the beacon is 1000. At the 120 degree position, the beacon is 1001. At 180 degree position, the beacon is 0100. At 240 degree position, the beacon is 0101. At the 270 degree position, the beacon is 1100. The six beacons are not repeated with beacons at other angle positions, and correspond to six specific angles of 0 degree, 90 degrees, 120 degrees, 180 degrees, 240 degrees and 270 degrees one by one, so that a control computer of the injection molding machine can conveniently identify the angle position of the turntable 31. Further, when the turntable 31 is rotated to a certain target angular position, the latch assembly 33 includes a latch cylinder 331 and a latch 332, and the latch cylinder 331 pushes the latch 332 to be inserted into the corresponding slot 312, so as to maintain the angular position of the turntable 31 to be accurately locked. When the turntable 31 needs to be started to rotate, the bolt cylinder 331 firstly pulls the bolt 332 back to exit, so that the turntable 31 is ensured to rotate safely without collision.

TABLE 2 turntable Angle recognition results (example)

Specifically, the rotary die function has the following embodiments: in the first embodiment, the two-station rotary die indexing 0-180-0 action process, when the rotary disc 31 is at the 0 degree position, the pin 332 is withdrawn from the slot 312, the rotary disc 31 rotates to the 180 degree position, and the pin 332 is inserted into the slot 312 and locked. When the next cycle of the turntable 31 is at the 180 degree position, the latch 332 is withdrawn from the slot 312, the turntable 31 is rotated to the 0 degree position, the latch 332 is inserted into the slot 312 and locked, and so on. In the second embodiment, the three-position mold rotating index 0-120 and 240-0 operation flow, when the rotating disc 31 is at the 0 degree position, the plug 332 is withdrawn from the slot 312, and when the rotating disc 31 rotates to the 120 degree position, the plug 332 is inserted into the slot 312 for locking; when the next cycle turntable member 31 is in the 120 degree position, the latch 332 is withdrawn from the slot 312; when the turntable member 31 rotates to the 240-degree position, the bolt 332 is inserted into the slot 312 and locked; when the next cycle turntable 31 is at the 240 degree position, the pin 332 is withdrawn from the slot 312; the turntable member 31 is rotated to the 0 degree position, and the latch 332 is inserted into the slot 312 and locked; this is repeated. In the third embodiment, the four-position rotary mold indexing process is carried out by 0-90-180 and 270-0, when the rotary plate 31 is at the 0-degree position, the plug 332 is withdrawn from the slot 312, the rotary plate 31 is rotated to the 90-degree position, and the plug 332 is inserted into the slot 312 for locking; in the next cycle of rotating disk member 31 at 90 degree position, the pin 332 is withdrawn from the slot 312, the rotating disk member 31 is rotated to 180 degree position, and the pin 332 is inserted into the slot 312 and locked; in the next cycle, when the rotating disc piece 31 is in the 180-degree position, the bolt 332 is withdrawn from the slot 312, the rotating disc piece 31 rotates to the 270-degree position, and the bolt 332 is inserted into the slot 312 and locked; in the next cycle, the rotating disk 31 is at the 270 degree position, the pin 332 is withdrawn from the slot 312, the rotating disk 31 is rotated to the 0 degree position, the pin 332 is inserted into the slot 312 and locked, and so on.

The dimensional values set forth above, as well as the values in tables 1 and 2, are one of many practical embodiments of the present invention, and are intended merely to facilitate explanation of the structure or principles disclosed herein and not to limit the present invention in any way.

Referring to fig. 7, in some alternative embodiments, the turntable device 103 further includes a lifting mechanism 50 for lifting the turntable 31, the lifting mechanism 50 includes a plurality of sets of lifting assemblies 51, and two sides of the plurality of sets of lifting assemblies 51 are provided with tightening assemblies 52. The lifting assembly 51 comprises lifting wheels 511 and an adjustable seat plate 512, the lifting wheels 511 are abutted against the turntable 31, the lifting wheels 511 are mounted on the adjustable seat plate 512, and the adjustable seat plate 512 is movably mounted on the bottom plate 104; by adjusting the tightening components 52 on both sides, the lifting components 51 are gathered inward and lift the rotating disk 31 upward. Specifically, the lower part of the bottom plate 104 is provided with a lifting wheel 511, an adjustable seat plate 512, a flower hole stud 53, a jacking block 521 and a jacking stud 522. The tightening block 521 is fixedly mounted on the bottom plate 104, and is provided with threads with the tightening studs 522, and threads are also provided between the flower hole studs 53 and the adjustable seat plates 512 at two sides. The flower hole stud 53 is in plane contact with the two middle adjustable seat plates 512. Each adjustable seat plate 512 is provided with a lifting wheel 511, the lifting assembly 51 is movably connected with the bottom plate 104, and the adjustable seat plates 512 can be fixed on the bottom plate 104 by screwing a plurality of screws. The adjustable seat plate 512 can be moved slightly after the screw is loosened. The pushing components 52 on both sides are twisted inward to move the seat adjusting plates on both sides inward, so that the lifting wheels 511 on both sides are abutted against the smooth circular steps 316 of the rotating disk 31 to push upward. Then the spline studs 53 between the two adjustable seat plates 512 are screwed inward, so that the middle adjustable seat plate 512 moves inward, and the lifting wheel 511 mounted thereon is abutted against the smooth circular step 316 of the turntable 31 to exert upward force. The downward reaction force of the lifting wheel 511 is borne by the step under the bottom plate 104. Therefore, all the lifting wheels 511 can be independently adjusted to be tightly propped against the rotary disc piece 31 to push upward, so that the lifting device is more reliable and has larger lifting force.

Referring to fig. 4, in some alternative embodiments, two sets of demolding oil cylinder mechanisms 60 for product demolding are disposed on two sides of the center of the ejector pin back plate 1011, and the injection molding machine has the functions of core rotation and mold rotation, and at the same time, the conventional function of product ejection and demolding is maintained.

As shown in fig. 1 to 9, the multi-station indexing rotary core and rotary die shared turntable structure 100 of the present invention includes a movable die plate 101, and a rotary core device 102 and a turntable device 103 connected to the movable die plate 101, wherein the rotary core device 102 and the turntable device 103 can respectively move relative to the movable die plate 101, and the two functions of the rotary core and the rotary die are integrated and compatible in the same multi-station indexing rotary core and rotary die shared turntable structure 100, and can be switched by selecting one key through a control computer without being disassembled and replaced, so that the use is more convenient. The core rotating device 102 and the turntable device 103 can realize multi-station indexing, and the multi-station indexing core-rotating and mold-rotating shared turntable structure 100 can be used for two-color, three-color and four-color injection molding machines; the indexing action process of 0-180-0 can be realized when the injection molding machine is used for a two-color injection molding machine, the indexing action process of 0-120-240-0 can be realized when the injection molding machine is used for a three-color injection molding machine, and the indexing action process of 0-90-180-270-0 can be realized when the injection molding machine is used for a four-color injection molding machine. The liquid (mainly oil or water) is conveyed through the auxiliary shaft core 14 and the auxiliary shaft sleeve 15 of the liquid conveying assembly, so that the liquid leakage caused by abrasion of a sealing ring due to the fact that the main shaft core 12 is stressed to bend and deform is avoided, sealing is more reliable, and the service life of parts is prolonged. In the lifting mechanism 50, each lifting wheel 511 can be independently adjusted, so that all the wheels can be tightly propped against the turntable 31, the lifting mechanism is reliable and effective, the lifting force is large, and the turntable 31 can be effectively prevented from falling and inclining forwards after a mold load is installed. The multi-station indexing rotary core and rotary die shared turntable structure 100 integrates a rotary core device 102 and a turntable device 103, the rotary core function and the rotary die function are not interfered with each other, the switching is convenient, and the structural design is reasonable.

The above disclosure is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, so that the appended claims are intended to cover all such modifications and changes as fall within the true spirit of the invention.