CN219466892U

CN219466892U - Novel screw thread demolding structure and injection mold

Info

Publication number: CN219466892U
Application number: CN202320511184.2U
Authority: CN
Inventors: 江昆霖; 杨安
Original assignee: Dongguan Qunhong Photoelectric Technology Co ltd
Current assignee: Dongguan Qunhong Photoelectric Technology Co ltd
Priority date: 2023-03-15
Filing date: 2023-03-15
Publication date: 2023-08-04
Anticipated expiration: 2033-03-15

Abstract

The utility model discloses a novel thread demolding structure and an injection mold, the novel thread demolding structure comprises a carrying platform, a mold for molding is arranged on the top surface of the carrying platform, threaded workpieces are respectively connected to four side walls of the mold in a threaded mode, the threaded workpieces are in transmission connection with a driving assembly, the driving assembly drives the threaded workpieces to move on the side walls of the mold, threaded heads are integrally formed at the end parts, close to the mold, of the threaded workpieces, the threaded heads are in threaded connection with the inner parts of the side walls of the mold, threaded grooves are formed in the side walls, far away from the end parts of the mold, of the threaded workpieces, the threaded demolding structure adopts an oil cylinder to drive gears, and the threaded workpieces rotate to retreat under the driving of the gears to achieve the demolding effect. The die opening of the injection molding machine is matched for full utilization, the die opening mode of the injection molding threaded product is optimized, the secondary tapping procedure after molding is reduced, the labor cost is saved, the shipment timeliness is improved, and the efficiency is higher.

Description

Novel screw thread demolding structure and injection mold

Technical Field

The utility model relates to the technical field of injection molds, in particular to a novel thread demolding structure and an injection mold.

Background

Injection molding, also known as injection molding, is a method of injection and molding. The injection molding method has the advantages of high production speed, high efficiency, automation in operation, multiple patterns, various shapes, large size, accurate product size, easy updating of the product, and capability of forming parts with complex shapes, and is suitable for the field of mass production, products with complex shapes and other molding processing.

Through searching, in the prior art, chinese patent application number: CN202210052677.4 discloses a fixed mold, a movable mold, a core assembly, a plurality of aperture forming assemblies and a hydraulic device, wherein the core assembly is slidably mounted on the fixed mold, the aperture forming assemblies are all connected to the core assembly, forming surfaces are arranged on the core assembly, and the forming surfaces and the aperture forming assemblies are used for forming structural members through mutual cooperation with the movable mold; when the movable mould is used for demoulding, the movable mould drives the core assembly to remove barbs; after the movable mould is completely demoulded, the hydraulic device drives the core assembly to slide so as to separate the molding surface from the structural member; simultaneously, the aperture forming assembly synchronously moves along with the core assembly, and then the aperture forming assembly and the connecting hole are subjected to spiral demoulding. The beneficial effects of this application: the demolding of the barbs is performed firstly through the detachment of the movable mold, so that the demolding difficulty of the mold can be effectively reduced; simultaneously, the pore diameter connecting component generates spiral rotation to carry out demoulding, so that the forming quality of the connecting hole after demoulding can be effectively improved.

The device still has the following drawbacks:

traditional injection molded screw products: the injection molding machine completes the filling of the whole product, and the one-step molding and die sinking of all the characteristics can not be completed due to the existence of the thread characteristics on the product, and the secondary tapping and tooth processing after molding is required-! Resulting in ageing and loss of labor costs.

Disclosure of Invention

The utility model aims to provide a novel thread demolding structure and an injection mold, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a novel screw thread demolding structure, includes the microscope carrier, the mould that is used for the shaping is installed to the top surface of microscope carrier, four lateral walls of mould threaded connection have screw thread work piece respectively, screw thread work piece is connected with the drive assembly transmission, drive assembly drive screw work piece removes at the mould lateral wall, screw thread work piece is close to the tip integrated into one piece of mould has the screw thread head, screw thread head and the inside threaded connection of lateral wall of mould, screw thread groove has been seted up to the lateral wall of the tip that the mould was kept away from to screw thread work piece.

Preferably, the drive assembly includes pivot, drive gear, atress gear and fixed thread bush, the internal thread has been seted up to the inside of fixed thread bush, the one end that the screw thread work piece had the screw thread groove and the inside threaded connection of fixed thread bush, the lateral wall fixedly connected with atress gear of screw thread work piece, the atress gear is connected with drive gear's lateral wall meshing, drive gear's inside and pivot fixed connection, shaft coupling fixed mounting is passed through with the output shaft of actuating cylinder to the tip of pivot.

Preferably, the tooth width of the stress gear is larger than that of the transmission gear.

The utility model provides an injection mold, still includes mould and lower mould, the mould microscope carrier is installed on the top surface of lower mould, the screw thread work piece position fixed mounting that top surface both sides and be located both sides of lower mould have splint, the inside centre gripping of splint is fixed with the fixing base, the slide hole has been seted up to the inside of fixing base, the inside sliding connection of the lateral wall of screw thread work piece and slide hole, four equal fixedly connected with mounting panels of lateral wall of lower mould, the lateral wall of mounting panel pass through the screw respectively with each fixed thread cover fixed mounting, the through-hole has still been seted up to the lateral wall of mounting panel, the inside of through-hole is passed there is the pivot and is rotated with the pivot and is connected.

Preferably, the top surface of lower mould is installed the supporting part, the supporting part includes brace table and a plurality of bracing piece, install a plurality of bracing pieces on the top surface of brace table, a plurality of the bracing piece extends to the inside of mould by the inside of brace table.

Preferably, the upper die comprises an upper supporting table and an upper die shell, the upper die shell is arranged in the upper supporting table, a cavity for accommodating the die is formed in the upper die shell, and through grooves for the threaded workpieces to pass through are formed in the positions of the four side walls of the upper die shell, which are located on the threaded workpieces, respectively.

Preferably, four corners of the top surface of the lower die are respectively fixedly connected with a positioning column, a sleeve is fixedly installed inside the four corners of the upper supporting table, and the sleeve is in sliding connection with the side wall of the positioning column.

Compared with the prior art, the utility model has the beneficial effects that:

the injection mold is additionally provided with a threaded demolding structure, the threaded demolding structure adopts an oil cylinder to drive a gear, a threaded workpiece is driven by the gear to rotate and retreat to finish demolding effect! The die opening of the injection molding machine is matched for full utilization, the die opening mode of the injection molding threaded product is optimized, the secondary tapping procedure after molding is reduced, the labor cost is saved, the shipment timeliness is improved, and the efficiency is higher.

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

FIG. 1 is a schematic view of the structure of an embodiment 1 of the present utility model;

FIG. 2 is a schematic structural view of embodiment 2 of the present utility model;

FIG. 3 is a schematic view of a screw-thread ejector structure and a lower die mounting structure according to the present utility model;

FIG. 4 is a schematic view of the structure of the support member of the present utility model;

fig. 5 is a schematic structural view of an upper die of the present utility model.

In the figure: 1. fixing a threaded sleeve; 2. a rotating shaft; 3. a transmission gear; 4. a threaded workpiece; 5. a force-bearing gear; 6. a thread head; 7. a carrier; 8. a mold; 9. a fixing seat; 10. a thread groove; 11. a clamping plate; 12. a lower die; 13. a support member; 131. a support table; 132. a support rod; 14. a mounting plate; 15. an upper die; 151. an upper support table; 152. an upper mould shell; 16. positioning columns; 17. a sleeve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 5, the present utility model provides an embodiment:

example 1

The utility model provides a novel screw thread demolding structure, includes carrier 7, and mould 8 that is used for the shaping is installed to the top surface of carrier 7, and four lateral walls of mould 8 threaded connection have screw work piece 4 respectively, and screw work piece 4 is connected with the drive assembly transmission, and drive assembly drive screw work piece removes at mould 8 lateral walls, and screw work piece 4 is close to the tip integrated into one piece of mould 8 and has screw thread head 6, screw thread head 6 and the inside threaded connection of lateral wall of mould 8, and screw thread groove 10 has been seted up to the lateral wall of the tip that mould 8 was kept away from to screw work piece 4.

The driving component drives the threaded workpiece 4 to reciprocate on the side wall of the die 8, and the threaded workpiece 4 is close to the end part of the die 8 and integrally formed with the threaded head 6, so that in the process of reciprocating movement, the die 8 can be subjected to die opening, the die is removed once, and the secondary tapping procedure after forming is reduced.

The driving assembly comprises a rotating shaft 2, a transmission gear 3, a stress gear 5 and a fixed thread sleeve 1, wherein internal threads are formed in the fixed thread sleeve 1, one end of a threaded workpiece 4 with a thread groove 10 is connected with the internal threads of the fixed thread sleeve 1, the stress gear 5 is fixedly connected with the side wall of the threaded workpiece 4, the stress gear 5 is meshed with the side wall of the transmission gear 3, the inside of the transmission gear 3 is fixedly connected with the rotating shaft 2, the end part of the rotating shaft 2 is fixedly mounted with an output shaft of a driving oil cylinder through a coupler, and the tooth width of the stress gear 5 is larger than that of the transmission gear 3.

In particular, during operation, the rotating shaft 2 is driven by the driving oil cylinder, because the rotating shaft 2 is fixedly connected with the force-bearing gear 5, the force-bearing gear 5 also rotates, the force-bearing gear 5 rotates to drive the transmission gear 3 to rotate, and the transmission gear 3 is fixed with the threaded workpiece 4, therefore, the threaded workpiece 4 also rotates on four side walls of the die 8 under the driving of the driving oil cylinder, however, in the process of rotating the threaded workpiece 4, because one end of the threaded workpiece 4 with the threaded groove 10 is in threaded connection with the interior of the fixed threaded sleeve 1, the threaded workpiece 4 also moves in the rotating process, the moving direction is determined according to the driving rotating direction of the driving oil cylinder, when the threaded workpiece 4 is close to the four side walls of the die 8, the threaded workpiece 4 is rotated into the die 8 through the threaded heads 6 on the threaded workpiece 4, and the threads are left on the four side walls of the die 8 when the threaded workpiece 4 is far away from the four side walls of the die 8, so that the links of the traditional secondary processing threads are reduced after the die is obtained.

Example 2

On the basis of embodiment 1, the present solution also provides an injection mold 8 for mounting a novel thread ejector structure.

The injection mold 8 further comprises an upper mold 15 and a lower mold 12, the carrier 7 of the mold 8 is arranged on the top surface of the lower mold 12, clamping plates 11 are fixedly arranged on two sides of the top surface of the lower mold 12 and are positioned on the four side walls of the mold 8 with forming functions, fixing seats 9 are fixedly clamped in the clamping plates 11, sliding holes are formed in the fixing seats 9, the side walls of the threaded workpieces 4 are in sliding connection with the sliding holes, mounting plates 14 are fixedly connected to the four side walls of the lower mold 12, the side walls of the mounting plates 14 are fixedly arranged with the fixed threaded sleeves 1 respectively through screws, through holes are further formed in the side walls of the mounting plates 14, a rotating shaft 2 penetrates through the through holes and is in rotary connection with the through holes, a threaded demolding structure can be arranged on the lower mold 12 and is positioned on the four side wall directions of the mold 8 with forming functions, and the threaded workpieces 4 are kept to move perpendicular to the side wall directions of the mold 8 in the moving process of the threaded demolding structure.

As a technical optimization scheme of the utility model, the top surface of the lower die 12 is provided with the supporting component 13, the supporting component 13 comprises a supporting table 131 and a plurality of supporting rods 132, the supporting table 131 is provided with the supporting rods 132 on the top surface, the supporting rods 132 extend from the inside of the supporting table 131 to the inside of the die 8, and the inside of the die 8 can be supported by the action of the supporting rods 132 so as to facilitate better molding.

As a technical optimization scheme of the utility model, the upper die 15 comprises an upper supporting table 151 and an upper die shell 152, wherein the upper die shell 152 is arranged in the upper supporting table 151, a cavity for accommodating the die 8 is formed in the upper die shell 152, through grooves for the threaded workpiece 4 to pass through are respectively formed in the positions of the threaded workpiece 4 on the four side walls of the upper die shell 152, and shaping is provided for the forming shape of the die 8, so that the dies 8 with different shapes can be obtained;

as a technical optimization scheme of the utility model, the four corners of the top surface of the lower die 12 are respectively and fixedly connected with the positioning columns 16, the four corners of the upper supporting table 151 are internally and fixedly provided with the sleeves 17, and the sleeves 17 are in sliding connection with the side walls of the positioning columns 16, so that the upper die 15 and the lower die 12 can be aligned in the process of clamping, and the deformation condition of the die 8 caused by the deviation of the upper die 15 and the lower die 12 in the process of clamping is prevented.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel screw thread demolding structure, includes microscope carrier (7), mould (8) that are used for the shaping are installed to the top surface of microscope carrier (7), its characterized in that: four lateral walls of mould (8) are threaded respectively and are connected with screw work piece (4), screw work piece (4) are connected with the drive assembly transmission, drive assembly drive screw work piece is at mould (8) lateral wall removal, tip integrated into one piece that screw work piece (4) are close to mould (8) has screw thread head (6), screw thread head (6) and the inside threaded connection of lateral wall of mould (8), screw thread groove (10) have been seted up to the lateral wall that the tip of mould (8) was kept away from to screw work piece (4).

2. The novel thread stripping structure as claimed in claim 1, wherein: the driving assembly comprises a rotating shaft (2), a transmission gear (3), a stress gear (5) and a fixed thread sleeve (1), wherein an internal thread is formed in the fixed thread sleeve (1), one end of a threaded workpiece (4) with a thread groove (10) is connected with the internal thread of the fixed thread sleeve (1), the stress gear (5) is fixedly connected with the side wall of the threaded workpiece (4), the stress gear (5) is connected with the side wall of the transmission gear (3) in a meshed mode, the transmission gear (3) is fixedly connected with the rotating shaft (2), and the end portion of the rotating shaft (2) is fixedly mounted with an output shaft of a driving oil cylinder through a coupler.

3. A novel thread stripping structure as claimed in claim 2, wherein: the tooth width of the stress gear (5) is larger than that of the transmission gear (3).

4. An injection mould (8) comprising a novel thread ejector structure according to any one of claims 1 to 3, further comprising an upper mould (15) and a lower mould (12), characterized in that: the die comprises a die (8) and a carrier (7), wherein the die is arranged on the top surface of a lower die (12), clamping plates (11) are fixedly arranged on two sides of the top surface of the lower die (12) and positioned on threaded workpieces (4) on two sides, fixing seats (9) are fixedly clamped in the clamping plates (11), sliding holes are formed in the fixing seats (9), side walls of the threaded workpieces (4) are in sliding connection with the sliding holes, mounting plates (14) are fixedly connected to four side walls of the lower die (12), the side walls of the mounting plates (14) are fixedly arranged with all fixing threaded sleeves (1) through screws respectively, through holes are formed in the side walls of the mounting plates (14), and the through holes penetrate through rotating shafts (2) and are rotationally connected with the rotating shafts (2).

5. An injection mould (8) according to claim 4, characterized in that: the top surface of lower mould (12) is installed supporting part (13), supporting part (13) are including brace table (131) and a plurality of bracing piece (132), install a plurality of bracing pieces (132) on the top surface of brace table (131), a plurality of bracing piece (132) extend to the inside of mould (8) by the inside of brace table (131).

6. An injection mould (8) according to claim 4, characterized in that: the upper die (15) comprises an upper supporting table (151) and an upper die shell (152), the upper die shell (152) is arranged in the upper supporting table (151), a cavity for accommodating the die (8) is formed in the upper die shell (152), and through grooves for the threaded workpiece (4) to pass through are formed in the positions, located on the threaded workpiece (4), of the four side walls of the upper die shell (152).

7. An injection mould (8) according to claim 6, characterized in that: four corners of the top surface of the lower die (12) tool (8) are fixedly connected with positioning columns (16) respectively, sleeves (17) are fixedly installed in the four corners of the upper supporting table (151), and the sleeves (17) are slidably connected with the side walls of the positioning columns (16).