CN112677415A

CN112677415A - Injection molding closing device

Info

Publication number: CN112677415A
Application number: CN202011455893.0A
Authority: CN
Inventors: 何涛
Original assignee: Individual
Current assignee: Hongbao Technology Jiangmen Co Ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-04-20
Anticipated expiration: 2040-12-10
Also published as: CN112677415B

Abstract

The invention relates to the technical field of injection molding processing and discloses an injection molding part pressing device which comprises a machine body, wherein an operation panel is fixedly arranged on the inner wall of the front side of the machine body, a workbench is fixedly arranged on the left side of the top end of the machine body, a protective door is movably connected on the right side of the workbench, an injection molding rod is fixedly arranged on the top end of the machine body, a feeding hopper is fixedly arranged on the right side surface of the injection molding rod, a rear seat is fixedly arranged on the right side of the injection molding rod, an injection molding assembly is fixedly arranged on the inner wall of the right side of the workbench, a fixed block slides on the surface of a support rod through a connecting block, a compression spring is extruded and contracted when the fixed block is jointed with a moving block, a telescopic plate and a barrier belt are contracted to approach the central rod, and a contraction ring is extruded on an elastic sheet arranged, the air in the air bag is extruded and then moves from the inner wall of the hollow pipe into the vent pipe and then is discharged out of the inner wall of the fixed block.

Description

Injection molding closing device

Technical Field

The invention relates to the technical field of injection molding processing, in particular to an injection molding part pressing device.

Technical Field

An injection molding machine, also known as an injection molding machine or an injection machine, is a main molding device for making thermoplastic plastics or thermosetting plastics into plastic products of various shapes by using a plastic molding mold, and is divided into a vertical type, a horizontal type and an all-electric type.

In the using process of a general injection molding machine, the following two defects are often existed:

1. when the injection molding machine performs injection molding, a certain gap is reserved between the two molds in the extrusion process, thermoplastic liquid can spread along with the gap, the processed injection molding piece is broken with a small amount of leftover materials, and the injection molding piece is broken by scissors or hands generally, so that the injection molding piece is possibly damaged due to defects, and the injection molding piece is not in accordance with the standard;

2. because the pole moving speed of moulding plastics is too fast at two mould laminating processes, long-time striking can lead to mould life to shorten, and the very trouble is changed to the mould of damage, and has wasted a large amount of time, the unable abundant life who utilizes the mould simultaneously.

Disclosure of Invention

In order to achieve the purpose of overflowing the quick injection molding liquid, the invention provides the following technical scheme: the utility model provides an injection molding closing device, includes the fuselage, the front inner wall fixed mounting of fuselage has operating panel, the top left side fixed mounting of fuselage has the workstation, the right side swing joint of workstation has the guard gate, the top fixed mounting of fuselage has the pole of moulding plastics, the right side fixed surface of the pole of moulding plastics installs into the hopper, the right side fixed mounting of the pole of moulding plastics has the back seat, the right side inner wall fixed mounting of workstation has the subassembly of moulding plastics.

As preferred, the subassembly of moulding plastics is including the bracing piece, the right side swing joint of bracing piece has the connecting block, the equal fixed mounting in top and the bottom on workstation right side has the connecting rod, the inner wall fixed mounting of connecting block has the orienting rod, connecting block right side fixed mounting has the installation piece, the equal swing joint in inner wall of installation piece right side top and bottom has the telescopic link, installation piece right side inner wall fixed mounting has compression spring, compression spring's right side fixed mounting has the fixed block, the right side fixed mounting of connecting rod has the baffle, the left side fixed surface of baffle installs the movable block, and the subassembly of moulding plastics of installation can be quick carries out injection molding work, plays the directional action when the fixed whole connecting block of connecting rod.

As preferred, the standing groove has been seted up to the inner wall of fixed block, the inner wall fixed mounting of standing groove has the shell fragment, the right side fixed mounting of standing groove has the shrink ring, the inner wall fixed mounting of shrink ring has the gasbag, the right side fixed mounting of shrink ring has well core rod, well core rod's the left and right sides fixed mounting has the barrier zone, the right side inner wall fixed mounting of fixed block has the expansion plate, the top inner wall fixed mounting of fixed block has the breather pipe, and the standing groove of seting up is easy to assemble the shell fragment, can make fixed block and movable block leave certain space when the contact, prevents that the two from leaving the gap after connecting.

Preferably, a hollow tube is fixedly mounted on the inner wall of the left side of the air bag, a piston is movably connected to the inner wall of the hollow tube, a limiting block is fixedly mounted on the inner wall of the right side of the hollow tube, a sealing sleeve is fixedly mounted on the right side of the hollow tube, a stretching belt is fixedly mounted on the inner wall of the left side of the hollow tube, a sliding block is fixedly mounted on the left side of the stretching belt, a blocking block is fixedly mounted at the top end of the sliding block, an inclined plate is fixedly mounted at the top end of the blocking block, a roller is movably connected to the inner wall of the bottom end of the sliding block, the air bag has contractibility, a large amount of space can not be.

As preferred, the rectangular channel that is greater than the sliding block height has been seted up to the bottom of hollow tube left side inner wall, the right side fixed mounting of tensile area has the semicircle ring, is greater than the rectangular channel that the sliding block height and makes things convenient for the sliding block to remove at the inner wall of hollow tube, and the area of contact of semicircle ring is greater than the area of contact of tensile area, can make tensile area be connected more firmly with the hollow tube.

Preferably, the top end of the piston is provided with a sliding block and connected through a chain, the inner wall of the piston is telescopic, the height of the inner wall of the hollow pipe is matched with that of the piston, the piston is connected with the sliding block through the chain, and after the piston moves to the right side of the hollow pipe and the sliding block is intercepted, the piston can still continue to move for a certain distance, so that gas in the air bag is led out quickly.

Preferably, the right side of the expansion plate is connected with the moving block, the number of the placing grooves is two, the placing grooves are oppositely arranged on the inner walls of the fixed block and the moving block, and the right side of the expansion plate is connected with the moving block, so that the whole expansion plate can be more firmly arranged.

Preferably, the connecting block and the mounting block are fixedly connected through a bolt, a round stretching rod is mounted on the inner wall of the compression spring and mounted on the inner wall of the mounting block, the connecting block and the mounting block which are fixed through the bolt can be more firmly fixed and are convenient to detach, and the round stretching rod shrinks along with the compression of the compression spring, so that the effect of stabilizing the compression spring is achieved.

Preferably, toughened glass is embedded and installed on the inner wall of the protection door, the inner wall of the bottom of the protection door moves on the surface of the machine body through the sliding rod, and the toughened glass is convenient to observe the work of the injection molding machine and has the safety protection effect.

The invention has the beneficial effects that: a compression device for injection molding parts is characterized in that an air bag is contracted by the force of extrusion of a fixed block and a movable block to achieve the purpose of accurate attachment of the fixed block and the movable block, the fixed block slides on the surface of a support rod through a connecting block, when the fixed block and the movable block are attached, a compression spring is extruded and contracted, meanwhile, an expansion plate and a barrier band are contracted and drawn towards a central rod, a contraction ring is contracted towards the center by the extrusion force, when the contraction ring is contracted to a limit position, an elastic sheet arranged inside a placing groove is extruded, gas inside the air bag is extruded and then moves from the inner wall of a hollow tube into a vent tube and then is discharged out of the inner wall of the fixed block, the fixed block and the movable block are in surface contact and are attached without a gap, the barrier band and the contraction ring can effectively prevent injection molding liquid from overflowing, after injection molding is completed, the fixed block and the movable block are separated, and then taking the injection molded workpiece.

Drawings

FIG. 1 is an overall front view of the present invention;

FIG. 2 is a schematic view of an injection molding assembly of the present invention;

FIG. 3 is a partially cut-away schematic view of a anchor block structure according to the present invention;

FIG. 4 is an enlarged sectional view of the piston structure of the present invention;

FIG. 5 is an enlarged view of the point A in FIG. 4 according to the present invention.

In the figure: 1. a body; 2. an operation panel; 3. a work table; 4. a protective door; 5. injection molding a rod; 6. feeding into a hopper; 7. a rear seat; 8. an injection molding assembly; 81. a support bar; 82. connecting blocks; 83. a connecting rod; 84. an orientation bar; 85. mounting blocks; 86. a telescopic rod; 87. a compression spring; 88. a fixed block; 881. a placement groove; 882. a spring plate; 883. a contraction ring; 884. an air bag; 8841. a hollow tube; 8842. a piston; 8843. a limiting block; 8844. sealing sleeves; 8845. stretching the tape; 8846. a barrier block; 8847. a sloping plate; 8848. a slider; 8849. a roller; 885. a center pole; 886. a barrier band; 887. a retractable plate; 888. a breather pipe; 89. a baffle plate; 810. moving the mass.

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 embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

Please refer to fig. 1, an injection molding pressing device comprises a machine body 1, an operating panel 2 is fixedly mounted on the front inner wall of the machine body 1, a workbench 3 is fixedly mounted on the left side of the top end of the machine body 1, a protective door 4 is movably connected on the right side of the workbench 3, an injection molding rod 5 is fixedly mounted on the top end of the machine body 1, a feeding hopper 6 is fixedly mounted on the right surface of the injection molding rod 5, a rear seat 7 is fixedly mounted on the right side of the injection molding rod 5, and an injection molding assembly 8 is fixedly mounted on the right inner wall of the workbench 3.

Please refer to fig. 2, the injection molding assembly 8 includes a support rod 81, a right side swing joint of the support rod 81 has a connecting block 82, a connecting rod 83 is fixedly mounted at the top and the bottom of the right side of the workbench 3, an inner wall of the connecting block 82 is fixedly mounted with an orientation rod 84, a right side of the connecting block 82 is fixedly mounted with a mounting block 85, an inner wall of the right side of the mounting block 85 is movably connected with a telescopic rod 86, a right side inner wall of the mounting block 85 is fixedly mounted with a compression spring 87, a right side of the compression spring 87 is fixedly mounted with a fixing block 88, a right side of the connecting rod 83 is fixedly mounted with a baffle 89, a left side surface of the baffle 89 is fixedly mounted with a moving block 810, the injection molding assembly.

Please refer to fig. 3, a placement groove 881 has been seted up to the inner wall of fixed block 88, the inner wall fixed mounting of placement groove 881 has shell fragment 882, the right side fixed mounting of placement groove 881 has shrink ring 883, the inner wall fixed mounting of shrink ring 883 has gasbag 884, the right side fixed mounting of shrink ring 883 has well core rod 885, the left and right sides fixed mounting of well core rod 885 has barrier belt 886, the right side inner wall fixed mounting of fixed block 88 has expansion plate 887, the top inner wall fixed mounting of fixed block 88 has breather pipe 888, the placement groove 881 of seting up facilitates the installation shell fragment 882, can make fixed block 88 and movable block 810 leave certain space when the contact, prevent to leave the gap after the two connects.

Referring to fig. 4 and 5, a hollow tube 8841 is fixedly mounted on the left inner wall of the air bag 884, a piston 8842 is movably connected to the inner wall of the hollow tube 8841, a limit block 8843 is fixedly mounted on the right inner wall of the hollow tube 8841, a sealing sleeve 8844 is fixedly mounted on the right side of the hollow tube 8841, a tension band 8845 is fixedly mounted on the left inner wall of the hollow tube 8841, a sliding block 8848 is fixedly mounted on the left side of the tension band 8845, a blocking block 8846 is fixedly mounted on the top end of the sliding block 8848, an inclined plate 8847 is fixedly mounted on the top end of the blocking block 8846, a roller 8849 is movably connected to the bottom inner wall of the sliding block 8848, the air bag 884 has contractibility, a large amount of space.

Referring to fig. 5, a rectangular groove larger than the sliding block 8848 is formed at the bottom end of the left inner wall of the hollow tube 8841, a semicircular ring is fixedly mounted at the right side of the stretching strap 8845, the rectangular groove larger than the sliding block 8848 facilitates the sliding block 8848 to move on the inner wall of the hollow tube 8841, and the contact area of the semicircular ring is larger than that of the stretching strap 8845, so that the stretching strap 8845 and the hollow tube 8841 are connected more firmly.

Referring to fig. 4, a sliding block is installed at the top end of the piston 8842 and connected to the piston 8842 through a chain, the inner wall of the piston 8842 is telescopic, the height of the inner wall of the hollow tube 8841 is matched with the height of the piston 8842, and after the piston 8842 moves to the right side of the hollow tube 8841 through the chain and the sliding block is blocked, the piston 8842 continues to move for a certain distance, so that the gas in the airbag 884 is rapidly discharged.

Referring to fig. 3, the right side of the expansion plate 887 is connected to the moving block 810, the number of the placement grooves 881 is two and the placement grooves are oppositely installed on the inner walls of the fixed block 88 and the moving block 810, and the connection of the right side of the expansion plate 887 to the moving block 810 can make the installation of the whole expansion plate 887 more reliable.

Referring to fig. 2, the connecting block 82 and the mounting block 85 are fixed by bolts, the inner wall of the compression spring 87 is provided with a circular stretching rod, and the circular stretching rod is mounted on the inner wall of the mounting block 85, the connecting block 82 and the mounting block 85 fixed by bolts can be more firmly fixed and conveniently detached, and the circular stretching rod contracts along with the compression of the compression spring 87, so as to stabilize the compression spring 87.

Referring to fig. 1, tempered glass is embedded in the inner wall of the protective door 4, the inner wall of the bottom of the protective door 4 moves on the surface of the machine body 1 through a sliding rod, and the tempered glass is convenient for observing the work of the injection molding machine and has a safety protection function.

The working principle is as follows: a compression device for injection molding parts is mainly applied to the technical field of injection molding processing, the working principle of the compression device is that after a machine is started through an operation panel 2, plastic particles in an injection hopper 6 enter an injection molding rod 5, then the injection molding rod 5 is contacted with an injection molding component 8 arranged on the right side of a workbench 3 for injection molding processing, a protective door 4 is moved to block, a fixed block 88 slides on the surface of a supporting rod 81 through a connecting block 82, when the fixed block 88 is attached to a moving block 810, a compression spring 87 extrudes and contracts, meanwhile, a telescopic plate 887 and a barrier belt 886 contract and draw close to a central rod 885, a contraction ring 883 contracts to the center under the extrusion force, when the fixed block 88 contracts to a limit position, an elastic sheet 882 arranged in a placing groove 881 is extruded, gas in an air bag 884 is extruded to move to the connection position of a hollow tube 8841, the moving gas drives a piston 8842 to move, the piston 8842 moves to the left side of the inner wall of the hollow tube 8841 and then, after the blocking block 8846 is stressed, a sliding block 8848 arranged at the bottom end of the blocking block 8846 slides at the bottom end of the hollow pipe 8841 through a roller 8849 and stops when reaching a semi-sphere at the right side of the hollow pipe 8841, and a chain is arranged at the top of the piston 8842, so that the top of the piston 8842 can incline to generate a gap after the bottom of the piston 8842 is fixed, gas enters the vent pipe 888 through the gap and then is discharged out of the inner wall of the fixed block 88, the fixed block 88 and the moving block 810 are in surface contact and joint without a gap at the moment, the blocking belt 886 and the contraction ring 883 can effectively prevent injection liquid from overflowing, after injection molding is completed, after the fixed block 88 and the moving block 810 are separated, the internal structure and the structure between the fixed block 88 and the.

In conclusion, the injection molding part pressing device achieves the purpose of accurate bonding of the fixed block 88 and the moving block 810 by enabling the air bag 884 to contract through the extrusion force of the fixed block 88 and the moving block 810, the fixed block 88 slides on the surface of the supporting rod 81 through the connecting block 82, when the fixed block 88 is bonded with the moving block 810, the compression spring 87 compresses, the expansion plate 887 and the blocking belt 886 contract towards the central rod 885, the contraction ring 883 contracts towards the center under the extrusion force, when the contraction ring reaches the limit position, the elastic sheet 882 arranged in the placing groove 881 is extruded, air in the air bag 884 moves from the inner wall of the hollow pipe 8841 into the air vent 888 and then is discharged out of the inner wall of the fixed block 88 after being extruded, at the moment, the fixed block 88 and the moving block 810 are in surface contact bonding without a gap, the blocking belt 886 and the contraction ring 883 can effectively prevent injection molding liquid from overflowing, after injection molding is, the suction of the air bag 884 sucks outside air into the hollow tube 8841 and the air bag 884 through the vent pipe 888, the expansion plate 887 and the barrier belt 886 are stretched after the fixed block 88 moves, and then the injection molded workpiece is taken.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides an injection molding closing device, includes fuselage (1), its characterized in that: the utility model discloses a plastic injection molding machine, including fuselage (1), top, right side, fixed mounting, the right side of fuselage (1) inner wall fixed mounting have operating panel (2), the top left side fixed mounting of fuselage (1) has workstation (3), the right side swing joint of workstation (3) has guard gate (4), the top fixed mounting of fuselage (1) has pole (5) of moulding plastics, the right side fixed surface of pole (5) of moulding plastics installs into hopper (6), the right side fixed mounting of pole (5) of moulding plastics has back seat (7), the right side inner wall fixed mounting of workstation (3) has injection moulding subassembly (8).

2. The injection molding compression device of claim 1, wherein: injection moulding subassembly (8) is including bracing piece (81), the right side swing joint of bracing piece (81) has connecting block (82), the top and the equal fixed mounting in bottom on workstation (3) right side have connecting rod (83), the inner wall fixed mounting of connecting block (82) has directional pole (84), connecting block (82) right side fixed mounting has installation piece (85), the equal swing joint in inner wall of installation piece (85) right side top and bottom has telescopic link (86), installation piece (85) right side inner wall fixed mounting has compression spring (87), the right side fixed mounting of compression spring (87) has fixed block (88), the right side fixed mounting of connecting rod (83) has baffle (89), the left side fixed surface of baffle (89) installs movable block (810).

3. The injection molding compression device of claim 2, wherein: standing groove (881) have been seted up to the inner wall of fixed block (88), the inner wall fixed mounting of standing groove (881) has shell fragment (882), the right side fixed mounting of standing groove (881) has shrink circle (883), the inner wall fixed mounting of shrink circle (883) has gasbag (884), the right side fixed mounting of shrink circle (883) has well core rod (885), the left and right sides fixed mounting of well core rod (885) has barrier zone (886), the right side inner wall fixed mounting of fixed block (88) has expansion plate (887), the top inner wall fixed mounting of fixed block (88) has breather pipe (888).

4. The injection molding compression device of claim 3, wherein: the utility model discloses a safety airbag for the automobile seat, including gasbag (884), the left side inner wall fixed mounting of gasbag (884) has hollow tube (8841), the inner wall swing joint of hollow tube (8841) has piston (8842), the right side inner wall fixed mounting of hollow tube (8841) has stopper (8843), the right side fixed mounting of hollow tube (8841) has seal cover (8844), hollow tube (8841), the left side inner wall fixed mounting of hollow tube (8841) has tensile area (8845), the left side fixed mounting of tensile area (8845) has sliding block (8848), the top fixed mounting of sliding block (8848) has spacing piece (8846), the top fixed mounting of spacing piece (8846) has swash plate (8847), the bottom inner wall swing joint of sliding block (8848) has gyro wheel (8849).

5. The injection molding compression device of claim 4, wherein: the bottom of hollow tube (8841) left side inner wall is seted up and is greater than the rectangular channel of sliding block (8848) height, the right side fixed mounting of tensile area (8845) has the semicircle ring.

6. The injection molding compression device of claim 4, wherein: the slider is installed on the top of piston (8842) and is connected through the chain, the inner wall of piston (8842) is scalable form, the height of hollow tube (8841) inner wall and the high looks adaptation of piston (8842).

7. The injection molding compression device of claim 4, wherein: the right side of the expansion plate (887) is connected with the moving block (810), and the number of the placement grooves (881) is two and the two placement grooves are oppositely arranged on the inner walls of the fixed block (88) and the moving block (810).

8. The injection molding compression device of claim 2, wherein: the connecting block (82) and the mounting block (85) are fixedly connected through bolts, and a circular stretching rod is mounted on the inner wall of the compression spring (87) and mounted on the inner wall of the mounting block (85).

9. The injection molding compression device of claim 1, wherein: tempered glass is embedded and installed on the inner wall of the protective door (4), and the inner wall of the bottom of the protective door (4) moves on the surface of the machine body (1) through the sliding rod.