CN208946621U - A kind of rate variable system of injection molding machine height response - Google Patents
A kind of rate variable system of injection molding machine height response Download PDFInfo
- Publication number
- CN208946621U CN208946621U CN201821500670.XU CN201821500670U CN208946621U CN 208946621 U CN208946621 U CN 208946621U CN 201821500670 U CN201821500670 U CN 201821500670U CN 208946621 U CN208946621 U CN 208946621U
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- Prior art keywords
- discharge
- oil cylinder
- discharge hole
- partition
- sealing plate
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Abstract
The utility model discloses a kind of rate variable systems of injection molding machine height response, including controller and proportional variable plunger pump, it further include distribution cabinet, and the discharge end of oil cylinder is provided with sealing plate, the discharge hole of rectangle is provided on sealing plate, adjustable plate is provided in discharge hole, it distributes cabinet and discharge chamber and storage cavity is separated by partition, discharge chamber is provided with out liquid check valve, storage cavity is connected with circulation pipe, circulation pipe is connected to feed liquor check valve, one end end face of partition is fixedly connected with sealing plate, and slidingly and sealingly cooperate between partition and the end face and adjustable plate of sealing plate connection；One end of adjustable plate is provided with magnetic conductive board, and spring is provided between the other end and the inner wall of discharge hole, and distribution cabinet exterior corresponding to magnetic conductive board one end is arranged and is provided with proportion electro-magnet；Solenoid valve and proportion electro-magnet are controlled by controller.The present apparatus controls to adjust the position of plate using two proportion electro-magnets, to control the flow of fluid, structure is simple, and manufacturing cost is lower.
Description
Technical field
The utility model belongs to injection-moulding device field, especially a kind of rate variable system of injection molding machine height response.
Background technique
In order to adapt to engineering system to transmission with control characteristic propose requirements at the higher level, electro-hydraulic proportional control technology become from
Six the seventies of last century start the branch of most vigorous vitality in the Fluid Transmission and Control field gradually developed.Currently,
Modern hydraulic equipment is designed using electric-hydraulic proportion hydraulic technique, it has also become indispensable important means obtains related industries
Boundary, the especially attention of technos.
Important component in injection molding machine includes the plunger pump that liquid plastic is uniformly injected into mold, existing plunger
Pump is controlled using the control system of injection molding machine, but does not use rate variable control technology, leads to the casting of liquid plastic
Precision is not high.
Structure is complicated for existing conventional proportional variable pump, and manufacturing cost is high.
Utility model content
It is simple using structure the purpose of this utility model is to provide a kind of rate variable system of injection molding machine height response
Proportional variable pump reduces equipment manufacturing costs.
Purpose of the utility model is realized as follows: a kind of rate variable system of injection molding machine height response, including control
Device and proportional variable plunger pump, the proportional variable plunger pump include oil cylinder, and one end of oil cylinder is discharge end, and the other end is power
End, is provided with piston in the oil cylinder, and the inner wall of the piston and oil cylinder slidingly and sealingly cooperates, and piston passes through crank connecting link
Mechanism is connected with the motor except power end, and the side wall of the oil cylinder is provided with feed liquor check valve,
It further include distribution cabinet, the discharge end of the oil cylinder is communicated with the inner cavity of distribution cabinet, and the discharge end of oil cylinder is set
It is equipped with sealing plate, the discharge hole of rectangle is provided on the sealing plate, the upper hole wall of the discharge hole is provided with upper hopper chute, discharge hole
Lower hole wall is provided with gliding groove, is provided with adjustable plate in the discharge hole, the top of the adjustable plate be located in upper hopper chute and with
Upper hopper chute is slidably matched, and is located in gliding groove below and is slidably matched with gliding groove；The distribution cabinet is separated by partition
Discharge chamber and storage cavity, the discharge chamber are provided with out liquid check valve, and the storage cavity is connected with circulation pipe, the circulation pipe with
The connection of feed liquor check valve, and is provided with solenoid valve on circulation pipe, discharge hole is equally divided into two parts by partition, and the one of the partition
End end face is fixedly connected with sealing plate, and is slidingly and sealingly cooperated between partition and the end face and adjustable plate of sealing plate connection；The tune
One end of section plate is provided with magnetic conductive board, and spring is provided between magnetic conductive board and the inner wall for distributing cabinet, and magnetic conductive board one end institute is arranged
Corresponding distribution cabinet exterior is provided with proportion electro-magnet；The solenoid valve and proportion electro-magnet are controlled by controller.
Further, the controller is PLC.
Further, the distribution cabinet is cuboid cabinet.
The beneficial effects of the utility model are: the present apparatus controls to adjust the position of plate using two proportion electro-magnets, thus
The flow of fluid is controlled, structure is simple, and manufacturing cost is lower.
Detailed description of the invention
Fig. 1 is the schematic top plan view of the utility model；
Fig. 2 is the schematic cross-sectional view of A-A in Fig. 1.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
As depicted in figs. 1 and 2, the rate variable system of a kind of injection molding machine height response of the utility model, including controller 1
And proportional variable plunger pump, the proportional variable plunger pump include oil cylinder 2, one end of oil cylinder 2 is discharge end, and the other end is power
It holds, is provided with piston 3 in the oil cylinder 2, the inner wall of the piston 3 and oil cylinder 2 slidingly and sealingly cooperates, and piston 3 passes through song
Handle link mechanism is connected with the motor 4 except power end, and the side wall of the oil cylinder 2 is provided with feed liquor check valve 5.Above structure is
Plunger pump conventional structure.PLC, single-chip microcontroller etc. can be used in controller 1, using the control axis in the control system of existing injection molding machine
?.
It further include distribution cabinet 6, distribution cabinet 6 is cuboid cabinet or cylindrical box, the discharging of the oil cylinder 2
It holds and is communicated with the inner cavity of distribution cabinet 6, through-hole can be set in one end of distribution cabinet 6, the discharge end of oil cylinder 2 is welded on through-hole
In.The discharge end of oil cylinder 2 is provided with sealing plate 11, and the discharge hole 7 of rectangle is provided on the sealing plate 11, and discharge hole 7 is long side water
It is flat, the vertical elongate holes of short side.The upper hole wall of the discharge hole 7 is provided with upper hopper chute, and the lower hole wall of discharge hole 7 is provided with down
Sliding slot, adjustable plate 8 is provided in the discharge hole 7, and the top of the adjustable plate 8 is located in upper hopper chute and matches with upper hopper chute sliding
It closes, be located in gliding groove below and be slidably matched with gliding groove, adjustable plate 8 is slided in discharge hole 7, adjustable plate 8
Length be less than discharge hole 7 length, and be greater than 7 length of discharge hole half, guarantee adjustable plate 8 will not close discharge hole 7.Institute
It states distribution cabinet 6 and discharge chamber 10 and storage cavity 12 is separated by partition 9, the discharge chamber 10 is provided with out liquid check valve 15,
Fluid in discharge chamber 10 can be discharged by going out liquid check valve 15；The storage cavity 12 is connected with circulation pipe 16, the circulation pipe
16 are connected to feed liquor check valve 5, and solenoid valve 17 is provided on circulation pipe 16, and the fluid in storage cavity 12 can pass through circulation pipe 16
Reenter oil cylinder 2.Discharge hole 7 is equally divided into two parts by partition 9, the discharge hole 7 except 8 both ends of adjustable plate respectively with discharge
Chamber 10 and storage cavity 12 communicate, and realize that segment fluid flow enters discharge chamber 10, another part liquid enters storage cavity 12.Due to discharging
The gross area in hole 7 is fixed, and the area of adjustable plate 8 is fixed, i.e., the area that adjustable plate 8 covers discharge hole 7 is fixed, 8 both ends of adjustable plate
Except the gross area of discharge hole 7 fix, it is ensured that every time when discharging, the pressure fixing of fluid, then by adjusting, adjustable plate
7 area ratio of discharge hole except 8 both ends, i.e., the controllable Fluid Volume into discharge chamber 10 and storage cavity 12.The partition 9
One end end face is fixedly connected with sealing plate 11, and is slidingly and sealingly matched between partition 9 and the end face and adjustable plate 8 of the connection of sealing plate 11
It closes；One end of the adjustable plate 8 is provided with magnetic conductive board 13, is provided with spring 18 between magnetic conductive board 13 and the inner wall for distributing cabinet 6,
6 outer wall of distribution cabinet corresponding to 13 one end of magnetic conductive board is set and is provided with proportion electro-magnet 14；The solenoid valve 17 and ratio electricity
Magnet 14 is controlled by controller 1.After proportion electro-magnet 14 is powered, attraction, magnetic conductive board 13 can be generated to magnetic conductive board 13
It is moved towards the direction of proportion electro-magnet 14, adjustable plate 8 is driven to move, spring 18 is compressed, and is adjusted and discharge chamber 10 and storing
7 size of discharge hole that chamber 12 communicates, using the control of controller 1 by the electric current of proportion electro-magnet 14, i.e., changeable magnetic force, to leading
After the magnetic force of magnetic sheet 13 changes, under the action of spring 18, adjustable plate 8 can be moved, and realize what discharge hole 7 was communicated with discharge chamber 10
Size.Specifically, when being i by the electric current of proportion electro-magnet 14, size that discharge hole 7 is communicated with discharge chamber 10
For a, when being 2i by the electric current of proportion electro-magnet 14, then the size that discharge hole 7 is communicated with discharge chamber 10 is 2a, from
And it realizes and proportionally adjusts fluid load.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (3)
1. a kind of rate variable system of injection molding machine height response, including controller (1) and proportional variable plunger pump, the ratio become
Amount plunger pump includes oil cylinder (2), and one end of oil cylinder (2) is discharge end, and the other end is power end, is provided in the oil cylinder (2)
Piston (3), the piston (3) and the inner wall of oil cylinder (2) slidingly and sealingly cooperate, and piston (3) by crank link mechanism with
Motor (4) except power end is connected, and the side wall of the oil cylinder (2) is provided with feed liquor check valve (5), it is characterised in that:
It further include distribution cabinet (6), the discharge end of the oil cylinder (2) is communicated with the inner cavity of distribution cabinet (6), and oil cylinder (2)
Discharge end is provided with sealing plate (11), and the discharge hole (7) of rectangle, the upper hole of the discharge hole (7) are provided on the sealing plate (11)
Wall is provided with upper hopper chute, and the lower hole wall of discharge hole (7) is provided with gliding groove, is provided with adjustable plate (8) in the discharge hole (7),
The top of the adjustable plate (8) is located in upper hopper chute and is slidably matched with upper hopper chute, below be located at gliding groove in and and gliding groove
It is slidably matched；The distribution cabinet (6) is separated into discharge chamber (10) and storage cavity (12), the discharge chamber by partition (9)
(10) it is provided with out liquid check valve (15), the storage cavity (12) is connected with circulation pipe (16), the circulation pipe (16) and feed liquor
Check valve (5) connection, and solenoid valve (17) are provided on circulation pipe (16), discharge hole (7) is equally divided into two by partition (9)
Point, one end end face of the partition (9) is fixedly connected with sealing plate (11), and the end face that connect with sealing plate (11) of partition (9) and tune
Slidingly and sealingly cooperate between section plate (8)；One end of the adjustable plate (8) is provided with magnetic conductive board (13), magnetic conductive board (13) with point
It is provided between inner wall with cabinet (6) spring (18), distribution cabinet (6) outer wall corresponding to magnetic conductive board (13) one end is set and is set
It is equipped with proportion electro-magnet (14)；The solenoid valve (17) and proportion electro-magnet (14) are controlled by controller (1).
2. a kind of rate variable system of injection molding machine height response according to claim 1, it is characterised in that: the controller
It (1) is PLC.
3. a kind of rate variable system of injection molding machine height response according to claim 1, it is characterised in that: the distributor box
Body (6) is cuboid cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821500670.XU CN208946621U (en) | 2018-09-13 | 2018-09-13 | A kind of rate variable system of injection molding machine height response |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821500670.XU CN208946621U (en) | 2018-09-13 | 2018-09-13 | A kind of rate variable system of injection molding machine height response |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208946621U true CN208946621U (en) | 2019-06-07 |
Family
ID=66738014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821500670.XU Expired - Fee Related CN208946621U (en) | 2018-09-13 | 2018-09-13 | A kind of rate variable system of injection molding machine height response |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208946621U (en) |
-
2018
- 2018-09-13 CN CN201821500670.XU patent/CN208946621U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190607 |