CN216732867U

CN216732867U - Mold closing and opening device for injection mold

Info

Publication number: CN216732867U
Application number: CN202220026635.9U
Authority: CN
Inventors: 谢纵龙
Original assignee: Shantou City Chenghai District Lelexiongdi Toys Co ltd
Current assignee: Shantou City Chenghai District Lelexiongdi Toys Co ltd
Priority date: 2022-01-07
Filing date: 2022-01-07
Publication date: 2022-06-14
Anticipated expiration: 2032-01-07

Abstract

The utility model discloses a mold closing and opening device of an injection mold, which comprises a lower mold, wherein the interior of the lower mold is movably connected with a demolding assembly, two sides of the lower mold are movably connected with lifting assemblies, an installation plate is fixedly connected between the lifting assemblies, the top of the installation plate is movably connected with a transmission assembly, and the bottom of the installation plate is fixedly connected with an upper mold. According to the utility model, the lifting components are movably connected to the two sides of the lower die, the output end of the first motor can be utilized to drive the rotating shaft to rotate, the rotating shaft rotates to drive the third belt pulley to rotate, the third belt pulley rotates to drive the first belt pulley to rotate through the first belt body, the rotating shaft also drives the fourth belt pulley to rotate, the fourth belt pulley rotates to drive the second belt pulley to rotate through the second belt body, the first belt pulley and the second belt pulley rotate simultaneously to drive the rotating rod to rotate, and the rotating rod rotates to drive the transmission screw rod to rotate through the transmission rod.

Description

Mold closing and opening device for injection mold

Technical Field

The utility model relates to the technical field of injection molds, in particular to a mold closing and opening device for an injection mold.

Background

The injection mold is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and accurate dimensions, and the injection molding is a processing method used for batch production of parts with complex shapes, in particular to a method for injecting heated and melted plastics into a mold cavity from an injection molding machine at high pressure, cooling and solidifying the plastics, obtaining a molded product, wherein the injection mold is divided into two types, namely a thermosetting plastic mold, an automobile mold and a thermoplastic plastic mold according to the molding characteristics, and is divided into a transfer mold, a blow mold, a cast mold, a thermoforming mold, a hot-pressing mold, an injection mold and the like according to the molding process, wherein the hot pressing mold can be divided into three types of overflow type, semi-overflow type and non-overflow type by the overflow mode, the injection mold can be divided into a cold runner mold and a hot runner mold by the pouring system, the injection mold can be divided into two types of movable type and fixed type by the loading and unloading mode, and in the use, there are many problems or defects in current injection mold compound die mold opening device:

traditional injection mold compound die mold opening device is in the in-service use, at the in-process of compound die opening many times, adopts hydro-cylinder or cylinder as the power that opens and shuts the mould, adopts this kind of power, and its advantage is sufficient, but stability is relatively poor, can lead to taking place the skew between the mould, influences the product quality of mould preparation, is not convenient for carry out quick drawing of patterns to injection moulding product simultaneously, can not be fine satisfies people's preparation demand.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a mold closing and opening device for an injection mold, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an injection mold compound die mold opening device, includes the bed die, the inside swing joint of bed die has drawing of patterns subassembly, the equal swing joint in both sides of bed die has lifting unit, fixedly connected with mounting panel between the lifting unit, the top swing joint of mounting panel has drive assembly, the bottom fixedly connected with of mounting panel goes up the mould, the upper surface of going up mould and mounting panel runs through and is provided with the mouth of moulding plastics, the fixed die cavity that is provided with between going up mould and the bed die.

As a further scheme of the utility model: the lifting component comprises a first motor, an output end fixedly connected with rotating shaft of the first motor, a third belt pulley is connected to the surface of the rotating shaft in a sleeved mode, one side of the third belt pulley is movably connected with the first belt pulley, a first belt body is connected between the first belt pulley and the third belt pulley in a transmission mode, a fourth belt pulley is movably connected to the bottom of the third belt pulley, a second belt pulley is movably connected to the other side of the fourth belt pulley, and a second belt body is connected between the second belt pulley and the fourth belt pulley in a transmission mode.

As a further scheme of the utility model: the inner parts of the first belt pulley and the second belt pulley are fixedly connected with rotating rods, the top of each rotating rod is fixedly connected with a transmission rod, the top of each transmission rod is fixedly connected with a transmission screw, the surface of each transmission screw is in threaded connection with a moving block, the surface of each moving block is in through connection with a limiting rod, and two sets of moving blocks are fixedly connected with transmission blocks on one sides close to each other.

As a further scheme of the utility model: the drawing of patterns subassembly includes the second motor, the output of second motor cup joints and is connected with first conical disk, the bottom meshing of first conical disk is connected with second conical disk, the inside fixedly connected with dwang of second conical disk, one side fixedly connected with two-way screw rod of dwang.

As a further scheme of the utility model: the surface threaded connection of two-way screw rod has the screw thread piece, and is two sets of the equal fixedly connected with stop collar in one side that the screw thread piece is close to each other, the top fixedly connected with installation pole of stop collar, the top swing joint of screw thread piece has the movable rod, the top swing joint of movable rod has the kicking block.

As a further scheme of the utility model: the transmission assembly comprises an elastic clamp, a sliding groove is fixedly formed in the bottom of the elastic clamp, a sliding block is connected to the inner wall of the sliding groove in a sliding mode, an L-shaped rod is fixedly connected to the top of the sliding block, a threaded sleeve is movably connected to the top of the L-shaped rod, a threaded rod is connected to the inner thread of the threaded sleeve, and a pushing block is fixedly connected to the bottom of the threaded rod.

Compared with the prior art, the utility model has the beneficial effects that: this injection mold compound die mold opening device has following advantage:

(1) the lifting components are movably connected to the two sides of the lower die, the output end of a first motor can be used for driving the rotating shaft to rotate, the rotating shaft rotates to drive the third belt pulley to rotate, the third belt pulley rotates to drive the first belt pulley to rotate through the first belt body, the rotating shaft also drives the fourth belt pulley to rotate, the fourth belt pulley rotates to drive the second belt pulley to rotate through the second belt body, the first belt pulley and the second belt pulley rotate simultaneously to drive the rotating rod to rotate, the rotating rod rotates to drive the transmission screw rod to rotate through the transmission rod, the transmission screw rod rotates to drive the moving block to move, the moving block moves to drive the upper die and the lower die to be separated or combined through the transmission block, and therefore the purpose of stable die opening and die closing is achieved, the problem that in the traditional process of multiple die closing and die opening is solved, oil cylinders or air cylinders are mostly adopted as the power for opening and closing the dies is solved, the device has the advantages that the power is sufficient, but the stability is poor, so that the deviation between the dies can be caused, and the quality of the die manufactured product is influenced;

(2) the demolding component is movably connected in the lower mold, when an injection product needs to be demolded after injection molding is completed, the output end of the second motor can be utilized to drive the first conical disc to rotate, the first conical disc rotates to drive the rotating rod to rotate through the second conical disc, the rotating rod rotates to drive the bidirectional screw to rotate, the bidirectional screw rotates to drive the two groups of threaded blocks to move in the directions close to each other, the threaded blocks move to drive the jacking blocks to jack up the injection product in the mold cavity through the movable rods, and therefore the purpose of quick demolding is achieved, and the problems that the traditional injection product is inconvenient to rapidly demold and cannot well meet the manufacturing requirements of people are solved;

(3) have transmission assembly through the top swing joint at the mounting panel, after solution of moulding plastics enters into the die cavity through the mouth of moulding plastics, can utilize and rotate the screw sleeve, the screw sleeve is rotatory to drive the threaded rod and moves down, the threaded rod moves and drives and promotes piece downstream, it makes the solution of moulding plastics in the die cavity extrude each other to promote piece downstream, can eliminate the bubble in the solution of moulding plastics through the extrusion force, thereby reach the purpose that improves the quality of moulding plastics, after eliminating the bubble and accomplish, reverse rotation screw sleeve, it is inconsistent with L type pole to drive to promote the piece and promote to L type pole until the threaded rod upstream, promote L type pole to the direction that is close to the elastic clamp after that, outer wall joint until L type pole is in the inside of elastic clamp, be convenient for fix L type pole, further improve the device's practicality.

Drawings

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

FIG. 2 is an enlarged view of the utility model at A;

FIG. 3 is an enlarged view of the utility model at B;

fig. 4 is an enlarged view of the present invention at C.

In the figure: 1. a lifting assembly; 101. a limiting rod; 102. a transmission rod; 103. a first belt pulley; 104. a rotating rod; 105. a drive screw; 106. a transmission block; 107. a moving block; 108. a second belt reel; 109. a third belt pulley; 110. a first belt body; 111. a rotating shaft; 112. a second belt body; 113. a fourth belt pulley; 114. a first motor; 2. an injection molding port; 3. an upper die; 4. mounting a plate; 5. a mold cavity; 6. a lower die; 7. a transmission assembly; 701. a threaded rod; 702. a threaded sleeve; 703. a pushing block; 704. an L-shaped rod; 705. an elastic clip; 706. a chute; 707. a slider; 8. a demolding component; 801. a top block; 802. mounting a rod; 803. rotating the rod; 804. a bidirectional screw; 805. a limiting sleeve; 806. a second motor; 807. a first conical disk; 808. a movable rod; 809. a second conical disk; 810. a thread block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an embodiment of the present invention is shown: the mold closing and opening device for the injection mold comprises a lower mold 6, wherein a demolding component 8 is movably connected inside the lower mold 6, the demolding component 8 comprises a second motor 806, the output end of the second motor 806 is connected with a first conical disc 807 in a sleeved mode, the bottom of the first conical disc 807 is connected with a second conical disc 809 in a meshed mode, a rotating rod 803 is fixedly connected inside the second conical disc 809, a bidirectional screw 804 is fixedly connected to one side of the rotating rod 803, a threaded block 810 is connected to the surface of the bidirectional screw 804 in a threaded mode, limiting sleeves 805 are fixedly connected to the mutually close sides of the two groups of threaded blocks 810, a mounting rod 802 is fixedly connected to the top of each limiting sleeve 805, a movable rod 808 is movably connected to the top of each threaded block 810, and a top block 801 is movably connected to the top of each movable rod 808;

specifically, as shown in fig. 1 and fig. 3, when the mold release device is used, a mold release assembly 8 is movably connected inside a lower mold 6, when an injection molded product needs to be released after injection molding is completed, an output end of a second motor 806 can be utilized to drive a first conical disc 807 to rotate, the first conical disc 807 rotates and drives a rotating rod 803 to rotate through a second conical disc 809, the rotating rod 803 rotates to drive a two-way screw 804 to rotate, the two-way screw 804 rotates to drive two groups of threaded blocks 810 to move in directions close to each other, and the threaded blocks 810 move to drive a top block 801 through a movable rod 808 to jack up an injection molded product in a mold cavity 5, so that the purpose of rapid mold release is achieved, and the problems that the traditional mold release of the injection molded product is inconvenient and the manufacturing requirements of people cannot be met well are solved;

the two sides of the lower die 6 are movably connected with a lifting component 1, the lifting component 1 comprises a first motor 114, the output end of the first motor 114 is fixedly connected with a rotating shaft 111, the surface of the rotating shaft 111 is connected with a third belt pulley 109 in a sleeved mode, one side of the third belt pulley 109 is movably connected with a first belt pulley 103, a first belt body 110 is connected between the first belt pulley 103 and the third belt pulley 109 in a transmission mode, the bottom of the third belt pulley 109 is movably connected with a fourth belt pulley 113, the other side of the fourth belt pulley 113 is movably connected with a second belt pulley 108, a second belt body 112 is connected between the second belt pulley 108 and the fourth belt pulley 113 in a transmission mode, rotating rods 104 are fixedly connected inside the first belt pulley 103 and the second belt pulley 108, the top of the rotating rods 104 is fixedly connected with a transmission rod 102, the top of the transmission rod 102 is fixedly connected with a transmission screw 105, and a moving block 107 is in threaded connection with the surface of the transmission screw 105, the surface of each moving block 107 is connected with a limiting rod 101 in a penetrating manner, one sides of the two groups of moving blocks 107 close to each other are fixedly connected with a transmission block 106, and a mounting plate 4 is fixedly connected between the lifting assemblies 1;

specifically, as shown in fig. 1 and 4, when in use, the lifting components 1 are movably connected to both sides of the lower mold 6, the output end of the first motor 114 can be utilized to drive the rotating shaft 111 to rotate, the rotating shaft 111 rotates to drive the third belt pulley 109 to rotate, the third belt pulley 109 rotates to drive the first belt pulley 103 to rotate through the first belt body 110, the rotating shaft 111 rotates to drive the fourth belt pulley 113 to rotate, the fourth belt pulley 113 rotates to drive the second belt pulley 108 to rotate through the second belt body 112, the first belt pulley 103 and the second belt pulley 108 rotate simultaneously to drive the rotating rod 104 to rotate, the rotating rod 104 rotates to drive the transmission screw 105 through the transmission rod 102 to rotate, the transmission screw 105 rotates to drive the moving block 107 to move, the moving block 107 moves to drive the upper mold 3 and the lower mold 6 to separate or combine together through the transmission block 106, thereby achieving the purpose of stable mold opening, the problem that in the traditional process of repeated mold closing and opening, an oil cylinder or an air cylinder is mostly adopted as power for mold opening and closing, and the power has the advantages that the power is sufficient, but the stability is poor, the deviation between the molds can be caused, and the quality of a mold manufacturing product is influenced is solved;

the top of the mounting plate 4 is movably connected with a transmission assembly 7, the transmission assembly 7 comprises an elastic clamp 705, the bottom of the elastic clamp 705 is fixedly provided with a sliding groove 706, the inner wall of the sliding groove 706 is connected with a sliding block 707 in a sliding manner, the top of the sliding block 707 is fixedly connected with an L-shaped rod 704, the top of the L-shaped rod 704 is movably connected with a threaded sleeve 702, the inner thread of the threaded sleeve 702 is connected with a threaded rod 701, the bottom of the threaded rod 701 is fixedly connected with a pushing block 703, the bottom of the mounting plate 4 is fixedly connected with an upper die 3, the upper surfaces of the upper die 3 and the mounting plate 4 are provided with an injection molding opening 2 in a penetrating manner, and a die cavity 5 is fixedly arranged between the upper die 3 and a lower die 6;

specifically, as shown in fig. 1 and 2, in use, by movably connecting a transmission assembly 7 on the top of the mounting plate 4, after the injection molding solution enters the mold cavity 5 through the injection port 2, the threaded sleeve 702 is rotated, the threaded rod 701 is driven to move downwards by the rotation of the threaded sleeve 702, the threaded rod 701 moves to drive the pushing block 703 to move downwards, the pushing block 703 moves downwards to enable the injection molding solution in the mold cavity 5 to be mutually extruded, bubbles in the injection molding solution can be eliminated through extrusion force, thereby achieving the purpose of improving the injection molding quality, when the bubble is eliminated, the threaded sleeve 702 is rotated reversely until the threaded rod 701 moves upwards to drive the pushing block 703 to abut against the L-shaped rod 704, then, the L-shaped rod 704 is pushed towards the direction close to the elastic clamp 705 until the outer wall of the L-shaped rod 704 is clamped inside the elastic clamp 705, so that the L-shaped rod 704 is fixed conveniently, and the practicability of the device is further improved.

The working principle is as follows: when the mold opening device is used, firstly, the lifting components 1 are movably connected to two sides of the lower mold 6, the output end of a first motor 114 can be utilized to drive a rotating shaft 111 to rotate, the rotating shaft 111 rotates to drive a third belt pulley 109 to rotate, the third belt pulley 109 rotates to drive a first belt pulley 103 to rotate through a first belt body 110, the rotating shaft 111 also drives a fourth belt pulley 113 to rotate, the fourth belt pulley 113 rotates to drive a second belt pulley 108 to rotate through a second belt body 112, the first belt pulley 103 and the second belt pulley 108 simultaneously rotate to drive a rotating rod 104 to rotate, the rotating rod 104 rotates to drive a transmission screw 105 to rotate through a transmission rod 102, the transmission screw 105 rotates to drive a moving block 107 to move, and the moving block 107 moves to drive the upper mold 3 and the lower mold 6 to be separated or combined through a transmission block 106, so that the purpose of stable mold opening is achieved;

secondly, the demolding assembly 8 is movably connected inside the lower mold 6, when demolding is needed to be performed on an injection molding product after injection molding is completed, the output end of the second motor 806 can be utilized to drive the first conical disc 807 to rotate, the first conical disc 807 rotates and drives the rotating rod 803 to rotate through the second conical disc 809, the rotating rod 803 rotates and drives the bidirectional screw 804 to rotate, the bidirectional screw 804 rotates and drives the two groups of threaded blocks 810 to move in the mutually approaching direction, and the threaded blocks 810 move and drive the jacking blocks 801 through the movable rods 808 to jack up the injection molding product in the mold cavity 5, so that the purpose of rapid demolding is achieved;

finally, there is a transmission component 7 movably connected to the top of the mounting plate 4, after the injection molding solution enters the mold cavity 5 through the injection molding port 2, the threaded sleeve 702 can be rotated, the threaded sleeve 702 rotates to drive the threaded rod 701 to move downwards, the threaded rod 701 moves to drive the pushing block 703 to move downwards, the pushing block 703 moves downwards to enable the injection molding solution in the mold cavity 5 to extrude each other, bubbles in the injection molding solution can be eliminated through extrusion force, and therefore the purpose of improving the injection molding quality is achieved.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Claims

1. The utility model provides an injection mold compound die mold opening device, includes bed die (6), its characterized in that: the inside swing joint of lower mould (6) has drawing of patterns subassembly (8), the equal swing joint in both sides of lower mould (6) has lifting unit (1), fixedly connected with mounting panel (4) between lifting unit (1), the top swing joint of mounting panel (4) has drive assembly (7), mould (3) are gone up to the bottom fixedly connected with of mounting panel (4), the upper surface of going up mould (3) and mounting panel (4) runs through and is provided with mouth (2) of moulding plastics, fixed die cavity (5) that is provided with between last mould (3) and lower mould (6).

2. The mold closing and opening device for the injection mold according to claim 1, wherein: lifting unit (1) includes first motor (114), the output end fixedly connected with pivot (111) of first motor (114), the surface of pivot (111) is cup jointed and is connected with third belt pulley (109), one side swing joint of third belt pulley (109) has first belt pulley (103), the transmission is connected with first belt body (110) between first belt pulley (103) and third belt pulley (109), the bottom swing joint of third belt pulley (109) has fourth belt pulley (113), the opposite side swing joint of fourth belt pulley (113) has second belt pulley (108), the transmission is connected with second belt body (112) between second belt pulley (108) and fourth belt pulley (113).

3. The mold closing and opening device for the injection mold according to claim 2, wherein: the inner parts of the first belt pulley (103) and the second belt pulley (108) are fixedly connected with a rotating rod (104), the top of the rotating rod (104) is fixedly connected with a transmission rod (102), the top of the transmission rod (102) is fixedly connected with a transmission screw (105), the surface of the transmission screw (105) is in threaded connection with a moving block (107), the surface of the moving block (107) is connected with a limiting rod (101) in a penetrating manner, and two sets of moving blocks (107) are fixedly connected with transmission blocks (106) on one side close to each other.

4. The mold closing and opening device for the injection mold according to claim 1, wherein: the demolding component (8) comprises a second motor (806), the output end of the second motor (806) is connected with a first conical disc (807) in a sleeved mode, the bottom of the first conical disc (807) is connected with a second conical disc (809) in a meshed mode, the inner portion of the second conical disc (809) is fixedly connected with a rotating rod (803), and one side of the rotating rod (803) is fixedly connected with a bidirectional screw (804).

5. The mold closing and opening device for the injection mold according to claim 4, wherein: the surface of the bidirectional screw (804) is in threaded connection with a thread block (810), two groups of thread blocks (810) are fixedly connected with a limiting sleeve (805) on one side close to each other, the top of the limiting sleeve (805) is fixedly connected with an installation rod (802), the top of the thread block (810) is movably connected with a movable rod (808), and the top of the movable rod (808) is movably connected with a top block (801).

6. The injection mold closing and opening device according to claim 1, wherein: the transmission assembly (7) comprises an elastic clamp (705), a sliding groove (706) is fixedly arranged at the bottom of the elastic clamp (705), a sliding block (707) is connected to the inner wall of the sliding groove (706) in a sliding mode, an L-shaped rod (704) is fixedly connected to the top of the sliding block (707), a threaded sleeve (702) is movably connected to the top of the L-shaped rod (704), a threaded rod (701) is connected to the inner thread of the threaded sleeve (702), and a pushing block (703) is fixedly connected to the bottom of the threaded rod (701).