CN219445994U - Integrated center ejection device of injection machine - Google Patents
Integrated center ejection device of injection machine Download PDFInfo
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- CN219445994U CN219445994U CN202320505374.3U CN202320505374U CN219445994U CN 219445994 U CN219445994 U CN 219445994U CN 202320505374 U CN202320505374 U CN 202320505374U CN 219445994 U CN219445994 U CN 219445994U
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- plunger
- ejection device
- supporting seat
- slide
- hole
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model provides an integrated center ejection device of an injection machine, which comprises a lower die holder and an ejection assembly, wherein a cylinder barrel is arranged at the upper end of the lower die holder, and the axis of the cylinder barrel is vertical to a horizontal plane; the jacking assembly comprises a plunger, a plunger rod and a supporting seat, wherein the plunger is in sliding fit in the cylinder barrel, the supporting seat is fixed at the top of the plunger, and a supporting surface is formed at the top of the supporting seat; the top surface of plunger is equipped with the slide hole, the downthehole slip of slide is furnished with the slide plug, the slip direction of slide plug is parallel to the slip direction of plunger, be fixed with the slide plug pole on the slide plug, the slide plug pole upwards passes the supporting seat and regard as the ejecting end. The integrated center ejection device of the injection machine has the advantages of compact structure, attractive appearance, small installation space, large mold closing pressure and simultaneously mold closing and ejection functions.
Description
Technical Field
The utility model relates to an injection molding device, in particular to an integrated center ejection device of an injection machine.
Background
Injection molding machines are also known as injection molding machines or injection molding machines. It is a main forming equipment for making thermoplastic plastics or thermosetting plastics into various shaped plastic products by using plastic forming mould. The device is divided into vertical type, horizontal type and full-electric type. The injection molding machine heats the plastic, applies high pressure to the molten plastic, and injects the molten plastic to fill the mold cavity.
The injection molding machine comprises a horizontal injection molding machine and a vertical injection molding machine, the occupied space of the horizontal injection molding machine is large, the occupied space of the vertical injection molding machine is small relative to the horizontal injection molding machine, the injection molding machine is influenced by the installation space, the layout difficulty of a material ejection mechanism and a die closing mechanism is large, the discharging structure (a cylinder body and the like) and the die closing mechanism of the conventional vertical injection molding machine are independent structures, the occupied space is increased, and meanwhile, the discharging mechanism is eccentrically arranged, so that the discharging effect is not ideal.
Disclosure of Invention
The utility model aims to solve the technical problem of providing an integrated central ejection device of an injection machine, which has the advantages of compact structure, small installation space and good ejection effect.
The utility model provides an integrated center ejection device of an injection machine, which comprises:
the lower die holder 1 is used as a supporting and mounting carrier, a cylinder barrel 12 is arranged at the upper end of the lower die holder 1, and the axis of the cylinder barrel 12 is perpendicular to the horizontal plane;
the jacking assembly comprises a plunger 2, a plunger rod 33 and a supporting seat 21, wherein the plunger 2 is in sliding fit in the cylinder barrel 12, the supporting seat 21 is fixed on the top of the plunger 2, and the top of the supporting seat 21 forms a supporting surface; the top surface of plunger 2 is equipped with the slide hole, it is equipped with the slide plug 331 to slide in the slide hole, the slip direction of slide plug 331 is parallel to the slip direction of plunger, be fixed with slide plug rod 33 on the slide plug 331, slide plug rod 33 upwards passes supporting seat 21 and as the ejecting end.
Further, a concave hole with a circular cross section is formed in the top surface of the lower die holder 1, a first mounting hole is formed in the bottom surface of the first mounting hole, a groove is formed in the bottom surface of the first mounting hole, an oil groove 101 is formed in the bottom surface of the first mounting hole, and a first oil inlet hole 10 communicated with the oil groove 101 is formed in the side wall of the lower die holder 10.
Further, the oil groove 101 is annular.
Further, an annular mounting groove is formed in the open end of the first mounting hole, the lower end of the cylinder barrel 12 is bent radially outwards to form a connecting portion, the connecting portion is sleeved in the annular mounting groove, and a pressing ring 11 capable of pressing the connecting portion and being connected with the lower die holder 1 through bolts is sleeved on the cylinder barrel 12.
Further, the top surface of plunger 2 has seted up second mounting hole 20, be fixed with cylinder liner 31 in the second mounting hole 20 through mount pad 32, be equipped with the clearance between the lateral wall of cylinder liner 31 and the lateral wall of second mounting hole 20 and form the oil pocket, the lateral wall of oil pocket is equipped with oil inlet and oil-out, the shaping has the slide hole in the cylinder liner 31, the bottom surface of slide hole seted up with the oilhole 310 of second mounting hole 20 intercommunication.
Further, the oil inlet and the oil outlet are formed on the top surface of the mounting base 32.
Further, the mounting base 32 is fixed to the open end of the second mounting hole 20 by a bolt, and the cylinder sleeve 31 is fixed to the mounting base 32 by a screw.
Further, a positioning hole for inserting and positioning the lower end of the mounting seat 21 is formed in the top surface of the plunger 2, and the top surface of the mounting seat is flush with the top surface of the positioning hole.
Further, the end of the plunger rod 33 is fixed with a push rod 34 coaxial with the plunger rod, the end of the push rod 34 extends upwards to the outside of the support seat 21 and serves as an ejection end, a limit rod 5 for triggering a sensor is arranged between the plunger rod and the push rod 34, and an opening 210 for allowing the limit rod to horizontally extend out and lift along with the plunger rod 33 is formed in the side wall of the support seat 21.
Further, the supporting seat 21 is in a shape of a truncated cone with a large upper end and a small lower end, and a central hole for accommodating a sliding plug rod or a push rod is penetrated through the upper end and the lower end of the supporting seat 21.
The integrated central ejection device of the injection machine adopts a large-diameter plunger structure, so that the contact area with a movable mould is increased, the micro-inclination of the movable mould caused by the generation of a force arm is avoided, the balance and reliability of mould closing are greatly improved, the thrust is large, and the driving is stable; the cylinder barrel is fixed on the lower die holder and forms a plunger hole, so that the structure is compact, the processing difficulty and the cost are low, and the assembly is convenient and quick; the top of the plunger is provided with a cylinder sleeve and is used as a material ejection end, so that the whole structure is compact and attractive, and the installation space is small; the supporting seat is arranged, so that the contact area between the supporting seat and the movable die is increased, the connection stability is good, the height is increased, the installation space is provided for the material ejection mechanism and the limiting rod, the processing and assembling difficulty is reduced, and the material ejection stroke is increased; the limit rod is arranged, so that the accurate operation of the sliding plug can be realized; the integrated center ejection device of the injection machine has the advantages of compact structure, attractive appearance, small installation space, large mold closing pressure and simultaneously mold closing and ejection functions.
Drawings
FIG. 1 is a schematic diagram of an integrated center ejector of an injection machine according to the present utility model;
FIG. 2 is a cross-sectional view of an integrated center ejector of the injection machine of the present utility model;
FIG. 3 is another directional cross-sectional view of the integrated center ejector of the injection machine of the present utility model;
fig. 4 is an enlarged view of a portion of an integrated center ejector of an injection machine according to the present utility model.
Description of the embodiments
Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1-4, the present utility model provides an integrated center ejection device of an injection machine, which includes a lower die holder 1 and an ejection assembly.
The whole lower die holder 1 is of a cuboid structure and is used as a supporting and mounting carrier, a cylinder 12 is arranged at the upper end of the lower die holder 1, and the axis of the cylinder 12 is perpendicular to a horizontal plane; specifically, the top surface of the lower die holder 1 is provided with a concave hole and forms a first mounting hole, the cross section of the first mounting hole is circular, the bottom surface of the first mounting hole is provided with a groove, the groove forms an oil groove 101, in the embodiment, the oil groove 101 is in a circular ring shape and is coaxial with the first mounting hole, meanwhile, the side wall of the lower die holder 10 is provided with a first oil inlet hole 10, and the first oil inlet hole 10 is communicated with the oil groove 101 and is used for oil supply; the inner wall of the first mounting hole is communicated with the first mounting hole, namely, a stepped hole is integrally formed, the cylinder barrel 12 is integrally cylindrical, the lower end of the cylinder barrel is radially outwards bent, a circular connecting part is formed, the connecting part is sleeved in the annular mounting groove, meanwhile, a compression ring 11 is sleeved outside the cylinder barrel 12, the compression ring 11 can press the connecting part and is connected with the lower die holder 1 through a bolt, so that the fixed connection of the cylinder barrel 12 is realized, and a sealing ring is arranged between the cylinder barrel 12 and the annular mounting groove, so that the sealing connection is realized;
the jacking assembly comprises a plunger 2, a plunger rod 33 and a supporting seat 21, wherein the plunger 2 is in sliding fit in the cylinder barrel 12, hydraulic oil entering from the first oil inlet hole 10 can enter the oil groove 101 and is in contact with the end face of the lower end of the plunger 2, so that upward thrust is formed on the plunger 2; the supporting seat 21 is fixed at the top of the plunger 2, specifically, the supporting seat 21 is in a shape of a truncated cone with a large upper end and a small lower end, and is coaxial with the plunger 2, central holes are formed through the upper end and the lower end of the supporting seat 21, and the top of the supporting seat 21 forms a supporting surface for connecting with a movable die to realize die assembly and pressure maintaining; a sliding hole is formed in the top surface of the plunger 2, a sliding plug 331 is slidably arranged in the sliding hole, the sliding direction of the sliding plug 331 is parallel to the sliding direction of the plunger, meanwhile, a sliding plug rod 33 is fixed on the sliding plug 331, and the sliding plug rod 33 upwards passes through the supporting seat 21 and serves as an ejection end; specifically, a second mounting hole 20 is formed in the top surface of the plunger 2, the second mounting hole 20 is coaxial with the plunger, the mounting hole 20 is a stepped hole, a mounting seat 32 is fixed in a large hole at the open end of the mounting hole through a bolt, a cylinder sleeve 31 is connected to the lower end of the mounting seat 32 through threads, the cylinder sleeve 31 is coaxial with the second mounting hole, a gap is formed between the side wall of the cylinder sleeve 31 and the side wall of the second mounting hole 20 and between the bottom surface of the cylinder sleeve 31 and the bottom surface of the second mounting hole to form an oil cavity, an oil inlet and an oil outlet are formed in the side wall of the oil cavity, in the embodiment, the oil inlet and the oil outlet are formed in the top surface of the mounting seat 32 and are located in a central hole of the supporting seat 21, and a hole body is formed in the side wall of the central hole and used for Rong Guanlu to penetrate and connect the oil inlet and the oil outlet; the cylinder sleeve 31 is cylindrical as a whole, a sliding hole is formed in the cylinder sleeve 31, the axis of the sliding hole is parallel or coaxial with the axis of the second mounting hole, an oil hole 310 is formed in the bottom surface of the sliding hole, the oil hole 310 is communicated with the second mounting hole 20 (oil cavity) and is used for driving a sliding plug in the sliding hole, a sliding plug rod 33 is fixed on the sliding plug, the sliding plug rod 33 upwards passes through the mounting seat and then extends into a central hole of the supporting seat, meanwhile, a push rod 34 is fixed at the upper end part of the sliding plug rod 33, the push rod 34 is coaxial with the sliding plug rod, the end part of the push rod 34 upwards extends out of the supporting seat 21 and is used as a jacking end, a limiting rod 5 is arranged between the sliding plug rod and the push rod 34 and is horizontally arranged and is used for triggering a sensor, the limiting rod is lifted along with the up and down movement of the sliding plug rod 33, meanwhile, an opening 210 is formed in the side wall of the supporting seat 21, and in the embodiment, the opening 210 is in a bar shape and can horizontally extend and realize up and down movement of the limiting rod so as to trigger the sensor.
In order to facilitate assembly and improve installation accuracy, a positioning hole or a positioning groove is formed in the top surface of the plunger 2, the cross section of the positioning hole or the positioning groove is the same as the cross section of the lower end of the installation seat 21, the lower end of the installation seat 21 can be inserted, and quick positioning is realized; the top surface of the mounting seat is flush with the top surface of the positioning hole.
The integrated central ejection device of the injection machine adopts a large-diameter plunger structure, so that the contact area with a movable mould is increased, the micro-inclination of the movable mould caused by the generation of a force arm is avoided, the balance and reliability of mould closing are greatly improved, the thrust is large, and the driving is stable; the cylinder barrel is fixed on the lower die holder and forms a plunger hole, so that the structure is compact, the processing difficulty and the cost are low, and the assembly is convenient and quick; the top of the plunger is provided with a cylinder sleeve and is used as a material ejection end, so that the whole structure is compact and attractive, and the installation space is small; the supporting seat is arranged, so that the contact area between the supporting seat and the movable die is increased, the connection stability is good, the height is increased, the installation space is provided for the material ejection mechanism and the limiting rod, the processing and assembling difficulty is reduced, and the material ejection stroke is increased; the limit rod is arranged, so that the accurate operation of the sliding plug can be realized; the integrated center ejection device of the injection machine has the advantages of compact structure, attractive appearance, small installation space, large mold closing pressure and simultaneously mold closing and ejection functions.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (10)
1. An integrated center ejection device of an injection machine, comprising:
the lower die holder is used as a supporting and mounting carrier, a cylinder barrel is arranged at the upper end of the lower die holder, and the axis of the cylinder barrel is perpendicular to a horizontal plane;
the jacking assembly comprises a plunger, a plunger rod and a supporting seat, wherein the plunger is in sliding fit in the cylinder barrel, the supporting seat is fixed at the top of the plunger, and a supporting surface is formed at the top of the supporting seat; the top surface of plunger is equipped with the slide hole, the downthehole slip of slide is furnished with the slide plug, the slip direction of slide plug is parallel to the slip direction of plunger, be fixed with the slide plug pole on the slide plug, the slide plug pole upwards passes the supporting seat and as the liftout end.
2. The integrated center ejection device of the injector of claim 1, wherein: the top surface of die holder is offered and is circular shape shrinkage pool and is formed first mounting hole for the cross section, the bottom surface of first mounting hole is equipped with the recess and forms the oil groove, the lateral wall of die holder is offered and is linked together the first inlet port of oil groove.
3. The integrated center ejection device of the injector of claim 2, wherein: the oil groove is annular.
4. The integrated center ejection device of the injector of claim 2, wherein: the open end of the first mounting hole is provided with an annular mounting groove, the lower end of the cylinder barrel is bent outwards radially to form a connecting part, the connecting part is sleeved in the annular mounting groove, and the cylinder barrel is sleeved with a compression ring which can press the connecting part and is connected with the lower die holder through a bolt.
5. The integrated center ejection device of the injector of claim 1, wherein: the top surface of plunger has seted up the second mounting hole, be fixed with the cylinder liner through the mount pad in the second mounting hole, the side wall of cylinder liner with be equipped with the clearance between the side wall of second mounting hole and form the oil pocket, the side wall of oil pocket is equipped with oil inlet and oil-out, the cylinder liner internal shaping has the slide hole, the bottom surface of slide hole seted up with the oilhole of second mounting hole intercommunication.
6. The integrated center ejection device of the injector of claim 5, wherein: the oil inlet and the oil outlet are formed in the top surface of the mounting seat.
7. The integrated center ejection device of the injector of claim 5, wherein: the mounting seat is fixed at the open end of the second mounting hole through a bolt, and the cylinder sleeve is fixed on the mounting seat through threads.
8. The integrated center ejection device of the injector of claim 5, wherein: the top surface of plunger has been seted up and has been held the lower extreme of mount pad inserts and realizes the locating hole of location, the top surface parallel and level of mount pad is located the top surface of locating hole.
9. The integrated center ejection device of the injector of claim 1, wherein: the end part of the sliding plug rod is fixedly provided with a push rod coaxial with the sliding plug rod, the end part of the push rod extends upwards to the outside of the supporting seat and serves as an ejection end, a limiting rod for triggering the sensor is arranged between the sliding plug rod and the push rod, and the side wall of the supporting seat is provided with an opening for horizontally extending the limiting rod and lifting along with the sliding plug rod.
10. The integrated center ejection device of the injector of claim 1, wherein: the supporting seat is in a truncated cone shape with a large upper end and a small lower end, and the upper end and the lower end of the supporting seat penetrate through a central hole for accommodating a sliding plug rod or a push rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320505374.3U CN219445994U (en) | 2023-03-08 | 2023-03-08 | Integrated center ejection device of injection machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320505374.3U CN219445994U (en) | 2023-03-08 | 2023-03-08 | Integrated center ejection device of injection machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219445994U true CN219445994U (en) | 2023-08-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320505374.3U Active CN219445994U (en) | 2023-03-08 | 2023-03-08 | Integrated center ejection device of injection machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219445994U (en) |
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2023
- 2023-03-08 CN CN202320505374.3U patent/CN219445994U/en active Active
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