阅读说明：本技术 一种大型注塑模预装定位装置 (Large-scale injection mould pre-installation positioner ) 是由 张斌 于 2020-07-21 设计创作，主要内容包括：本发明公开一种大型注塑模预装定位装置,包括壳体,壳体的内部一端设有固定平台,设置在固定平台另一侧的活动平台通过四个导套与固定平台上的圆槽口孔轴连接,活动平台下端两个导套设有定位部,活动平台的上端部设有纵向液压机构,活动平台的圆槽口处设有注塑母盘,在活动平台圆槽口处的注塑母盘通过销轴与活动平台连接在一起；注塑母盘内部设置磁块,在磁块的另一侧设有电磁块,所述电磁块上设有线圈,本发明的优点是：上端导套实现了快速装配,纵向液压杆实现二次装夹,第二液压机构实现紧配合的功能,增加加工精度,注塑子盘和注塑母盘进行预定位,通过电流的作用产生磁力,增加附着力；当需要拆卸时电磁铁产生相反的磁力,便于拆卸。(The invention discloses a large-scale injection mold preassembling and positioning device, which comprises a shell, wherein one end in the shell is provided with a fixed platform, a movable platform arranged on the other side of the fixed platform is connected with a round notch hole shaft on the fixed platform through four guide sleeves, two guide sleeves at the lower end of the movable platform are provided with positioning parts, the upper end part of the movable platform is provided with a longitudinal hydraulic mechanism, a round notch of the movable platform is provided with an injection molding mother disc, and the injection molding mother disc at the round notch of the movable platform is connected with the movable platform through a pin shaft; the injection molding mother disc is internally provided with a magnetic block, the other side of the magnetic block is provided with an electromagnetic block, and the electromagnetic block is provided with a coil, so that the injection molding mother disc has the advantages that: the upper end guide sleeve realizes quick assembly, the longitudinal hydraulic rod realizes secondary clamping, the second hydraulic mechanism realizes the function of tight fit, the processing precision is increased, the injection molding sub-disc and the injection molding mother disc are pre-positioned, magnetic force is generated under the action of current, and the adhesive force is increased; when the disassembly is needed, the electromagnet generates opposite magnetic force, so that the disassembly is convenient.)

1. The utility model provides a large-scale injection mould pre-installation positioner, includes the casing, its characterized in that: a fixed platform is arranged at one end in the shell, round notches are formed in four corners of the fixed platform, a movable platform arranged on the other side of the fixed platform is connected with a round notch hole shaft on the fixed platform through four guide sleeves, the movable platform and the fixed platform are connected together through the guide sleeves, and two guide sleeves arranged at the upper end of the movable platform are driven by a hydraulic mechanism arranged on one side of the fixed platform; the two guide sleeves arranged at the lower end of one side of the movable platform are also provided with positioning parts, notches are uniformly distributed on the positioning parts, a longitudinal hydraulic mechanism is arranged at the upper end part of the movable platform, the position of a longitudinal hydraulic rod of the longitudinal hydraulic mechanism, which is contacted with the positioning parts, is a matching part, the matching part is arc-shaped, the matching part and the positioning parts are arranged in a shape following manner, and a convex edge arranged in a shape following manner with the notches is arranged in the matching part; the two guide sleeves arranged at the lower end of the movable platform are driven by a second hydraulic mechanism arranged on one side of the fixed platform; an injection molding mother disc is arranged at the circular notch of the movable platform, the injection molding mother disc arranged at the circular notch of the movable platform is connected with the movable platform through a pin shaft, and the connection mode of an injection molding sub disc arranged on the fixed platform and the fixed platform is the same as the connection mode of the injection molding mother disc and the movable platform; the inside equipartition of mother disc of moulding plastics sets up the magnetic path, still is equipped with the electromagnetism piece from last to poor equipartition down on the opposite side of magnetic path, be equipped with the coil on the electromagnetism piece.

2. The large injection mold pre-assembly positioning device of claim 1, wherein: the magnetic block and the electromagnetic block are arranged correspondingly.

3. The large injection mold pre-assembly positioning device of claim 1, wherein: the internal structures of the injection molding master disc and the injection molding sub disc are consistent.

4. The large injection mold pre-assembly positioning device of claim 1, wherein: the convex edge is assembled with the notch in a clearance fit mode, and the convex edge is not provided with a chamfer angle.

5. The large injection mold pre-assembly positioning device of claim 1, wherein: the length of the two guide sleeves arranged at the lower end of the movable platform is greater than that of the two guide sleeves arranged at the upper end of the movable platform.

Technical Field

The invention relates to the field of mechanical manufacturing, in particular to a manufacturing and processing device for an injection molding piece.

Background

Injection molding after the injection molding primary and secondary mould compound die is needed in the injection molding, the injection molding is in the forming process, the weight of the injection molding primary and secondary mould is very large, and the appearance structure of the injection molding is complex, so that the injection molding primary and secondary mould is very complicated when being installed, so that much time and much manpower are needed in the process of changing the mould, meanwhile, the injection molding needs two moulds to be closely matched and spliced into a forming cavity when being processed and formed, then raw materials are squeezed into the cavity to manufacture the injection molding, the existing problem is that the two moulds are not enough in sealing property when being combined, so that some injection molding cannot reach the forming standard, and a large amount of unqualified part sizes are caused.

Disclosure of Invention

In order to solve the problems, the invention discloses a large-scale injection mould preassembling and positioning device.

The specific technical scheme is as follows:

a large-scale injection mold preassembling and positioning device comprises a shell, wherein a fixed platform is arranged at one end in the shell, round notches are formed in four corners of the fixed platform, a movable platform arranged on the other side of the fixed platform is connected with round notch holes in the fixed platform through four guide sleeves, the movable platform and the fixed platform are connected together through the guide sleeves, and the two guide sleeves arranged at the upper end of the movable platform are driven by a hydraulic mechanism arranged on one side of the fixed platform; the two guide sleeves arranged at the lower end of one side of the movable platform are also provided with positioning parts, notches are uniformly distributed on the positioning parts, a longitudinal hydraulic mechanism is arranged at the upper end part of the movable platform, the position of a longitudinal hydraulic rod of the longitudinal hydraulic mechanism, which is contacted with the positioning parts, is a matching part, the matching part is arc-shaped, the matching part and the positioning parts are arranged in a shape following manner, and a convex edge arranged in a shape following manner with the notches is arranged in the matching part; the two guide sleeves arranged at the lower end of the movable platform are driven by a second hydraulic mechanism arranged on one side of the fixed platform; an injection molding mother disc is arranged at the circular notch of the movable platform, the injection molding mother disc arranged at the circular notch of the movable platform is connected with the movable platform through a pin shaft, and the connection mode of an injection molding sub disc arranged on the fixed platform and the fixed platform is the same as the connection mode of the injection molding mother disc and the movable platform; the inside equipartition of mother disc of moulding plastics sets up the magnetic path, still is equipped with the electromagnetism piece from last to poor equipartition down on the opposite side of magnetic path, be equipped with the coil on the electromagnetism piece.

The magnetic block and the electromagnetic block are arranged correspondingly.

The internal structures of the injection molding master disc and the injection molding sub disc are consistent.

The convex edge is assembled with the notch in a clearance fit mode, and the convex edge is not provided with a chamfer angle.

The length of the two guide sleeves arranged at the lower end of the movable platform is greater than that of the two guide sleeves arranged at the upper end of the movable platform.

The invention has the advantages that: the guide sleeves at the upper end realize the rapid assembly of the movable platform and the fixed platform, the longitudinal hydraulic rod moves downwards and is assembled with the notch of the positioning part to realize secondary clamping, the second hydraulic mechanism drives the two guide sleeves at the lower end of the movable platform to realize the function of tight fit, the injection molding piece can be molded more conveniently, the processing precision is increased, the injection molding sub-disc and the injection molding mother disc are pre-positioned with the fixed platform and the movable platform, and the electromagnet generates magnetic force under the action of current to increase the adhesive force; when the disassembly is needed, the electromagnet generates opposite magnetic force, so that the disassembly is convenient.

Drawings

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

FIG. 2 is a schematic structural view of the injection molding subplate and the injection molding master disc after being removed;

FIG. 3 is a schematic diagram of an internal structure of an injection molding master disc and a movable platform;

fig. 4 is a schematic diagram of the position structure of the movable platform and the longitudinal hydraulic mechanism.

Detailed Description

The invention is described in detail below with reference to the accompanying drawings, as shown in the drawings, a large-scale injection mold preassembling and positioning device comprises a shell 1, wherein a fixed platform 2 is arranged at one end inside the shell 1, round notches 201 are formed in four corners of the fixed platform 2, a movable platform 3 arranged on the other side of the fixed platform is in shaft connection with holes of the round notches 201 on the fixed platform through four guide sleeves 4, the movable platform 3 is connected with the fixed platform 2 through the guide sleeves 4, and two guide sleeves 41 arranged at the upper end of the movable platform are driven by a hydraulic mechanism 5 arranged on one side of the fixed platform; two guide sleeves 42 arranged at the lower end of one side of the movable platform are also provided with positioning parts 43, notches 43A are uniformly distributed on the positioning parts, a longitudinal hydraulic mechanism 6 is arranged at the upper end of the movable platform, the position of a longitudinal hydraulic rod 61 of the longitudinal hydraulic mechanism, which is contacted with the positioning parts, is a matching part 62, the matching part is in an arc shape, the matching part 62 and the positioning parts 43 are arranged in a shape following manner, and a convex edge 63 arranged in a shape following manner with the notches is arranged in the matching part; the two guide sleeves 42 arranged at the lower end of the movable platform 3 are driven by the second hydraulic mechanism 7 arranged at one side of the fixed platform; an injection molding mother disc 8 is arranged at the round notch 31 of the movable platform 3, and the injection molding mother disc 8 arranged at the round notch 31 of the movable platform is connected with the movable platform 3 through a pin shaft 10; the connection mode of the injection molding sub disc 9 arranged on the fixed platform 2 and the fixed platform 2 is the same as the connection mode of the injection molding mother disc 8 and the movable platform 3; the inside equipartition of mother 8 of moulding plastics sets up magnetic path 81, still is equipped with electromagnetism piece 82 from last to poor equipartition down on the opposite side of magnetic path, be equipped with coil 83 on the electromagnetism piece.

The magnetic block 81 and the electromagnetic block 82 are arranged correspondingly.

The internal structures of the injection molding master disc 8 and the injection molding sub disc 9 are consistent.

The ledge 63 fits in a clearance fit with the notch 43A, and the ledge is not chamfered.

The length of the two guide sleeves 42 arranged at the lower end of the movable platform is greater than that of the two guide sleeves 41 arranged at the upper end of the movable platform.

The working principle of the invention is as follows: when the injection molding subplate and the injection molding mother disc are respectively placed on the fixed platform and the movable platform through a crane, the injection molding subplate and the injection molding mother disc are pre-positioned through the pin shaft, then the injection molding subplate and the injection molding mother disc are pre-positioned with the fixed platform and the movable platform under the action of magnetic force, and finally, under the action of current, the electromagnet generates magnetic force to increase the adhesive force of the injection molding subplate and the injection molding mother disc on the fixed platform and the movable platform; after the assembly is finished, the movable platform and the fixed platform start to move, two guide sleeves arranged at the upper end of the movable platform quickly draw close to the distance between the movable platform and the fixed platform, after the movable platform reaches a designated position, the two guide sleeves arranged below the movable platform are tightly matched, the distance between the movable platform and the fixed platform is further drawn close, then the matching part driven by the longitudinal hydraulic mechanism moves downwards, and the final secondary locking is completed when the matching part and the positioning part reach contact, so that the processing precision is increased, when the disassembly is needed, the longitudinal hydraulic mechanism drives the matching to move upwards, the four guide sleeves work simultaneously to separate the movable platform from the fixed platform, then the electromagnet generates a magnetic force opposite to that of the injection molding mother disc and the injection molding son disc, the magnetic force of the injection molding mother disc, the injection molding son disc, the fixed platform and the movable platform is reduced, and the, the four guide sleeves adopt different working modes in the process of drawing close and separating, so that the distance between the injection molding sub-disc and the injection molding master disc is more favorably reduced, and the appearance machining precision of the injection molding piece is higher.