CN110385841A - Low inertia ejecting mechanism for hydraulic cylinder injection molding machine - Google Patents
Low inertia ejecting mechanism for hydraulic cylinder injection molding machine Download PDFInfo
- Publication number
- CN110385841A CN110385841A CN201910795683.7A CN201910795683A CN110385841A CN 110385841 A CN110385841 A CN 110385841A CN 201910795683 A CN201910795683 A CN 201910795683A CN 110385841 A CN110385841 A CN 110385841A
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- Prior art keywords
- screw rod
- injection molding
- ejecting
- molding machine
- transmission shaft
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- 230000007246 mechanism Effects 0.000 title claims abstract description 84
- 238000001746 injection moulding Methods 0.000 title claims abstract description 36
- 230000005540 biological transmission Effects 0.000 claims abstract description 67
- 230000033001 locomotion Effects 0.000 claims abstract description 26
- 238000005520 cutting process Methods 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 26
- 238000002347 injection Methods 0.000 description 15
- 239000007924 injection Substances 0.000 description 15
- 239000000463 material Substances 0.000 description 4
- 239000000155 melt Substances 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010727 cylinder oil Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/53—Means for plasticising or homogenising the moulding material or forcing it into the mould using injection ram or piston
- B29C45/54—Means for plasticising or homogenising the moulding material or forcing it into the mould using injection ram or piston and plasticising screw
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/58—Details
Abstract
The invention discloses a kind of low inertia ejecting mechanisms for hydraulic cylinder injection molding machine, including rack (1)；Barrel (3) is set on rack (1), is equipped with screw rod (33) in inner volume；Multiple oil cylinders (4) are set on rack (1), have the piston rod (41) of the elastic reciprocating motion of energy；Preformed seat (5) is set on rack (1)；Rotary drive mechanism (6) is mounted on preformed seat (5)；And push plate (7) is connected on piston rod (41) between barrel (3) and preformed seat (5) and can make front-rear reciprocation movement with piston rod (41)；The screw rod (33) is mounted on push plate (7)；The screw rod (33) is connect with the power output end of rotary drive mechanism (6) by scalable transmission mechanism (8).Compared with prior art, preformed seat and rotary drive mechanism are not moved with screw rod in low inertia ejecting mechanism of the invention.
Description
Technical field
The present invention relates to injection molding machine technical fields, refer specifically to a kind of low inertia ejecting mechanism for hydraulic cylinder injection molding machine.
Background technique
Injection (mo(u)lding) machine is one kind of plastics machinery, by the thrust of screw rod (or plunger), the molten that will be plasticized
The plastic injection of state (i.e. viscous state) enters in the die cavity being closed, and becomes mechanograph after cured sizing.Injection (mo(u)lding) machine is general
Including mold mechanism, clamping and ejecting mechanism.Injection molding machine can be divided into hydraulic cylinder by the type of its ejecting mechanism and project
The injection molding machine of injection molding machine and electronic injection.The injection molding machine that hydraulic cylinder projects is divided into single cylinder jet injection moulding machine again and Multi-cylinder is penetrated
Injection molding machine out.
As existing hydraulic-driven Multi-cylinder project horizontal injection press ejecting mechanism generally include ejecting base, preformed seat and
Barrel, barrel branch stay on ejecting base, and screw rod is equipped in barrel, and preformed seat is equipped with the oily horse that screw rod can be driven to rotate
Reach, for make screw rod do not departed from front-rear reciprocation movement oil motor output power and always can with rotary work, screw rod peace
On preformed seat, ejecting base is equipped with multiple injection oil cylinders, and the piston rod of the injection oil cylinder connect with preformed seat and is used to drive
The dynamic related motor of preformed seat is moved forward and backward relative to ejecting base, and the lower part of ejecting base and preformed seat is threaded through on the guide rod of rack,
And it is slided under the driving for moving oil cylinder that can be present along guide rod.If number of patent application is that (notification number is CN200820168111.3
CN201268080Y utility model patent " a kind of injection cylinder component structure of Jet forming machine ") discloses similar twin-tub
Jet injection moulding machine.
Before injection molding, seat moves cylinder efficient, and driving ejecting base is moved along the guide rod of rack to mold direction, and preformed seat is projecting
It is moved together under the connection of oil cylinder in company with ejecting base；When preformed, oil motor drives the screw rod rotation in barrel, and the screw rod of rotation will
The melt of plasticizing shifts barrel front end onto, and at the same time, screw rod retreats under the reaction of material, and then preformed seat is pushed to retreat,
And piston rod is pulled to move back, complete metering；When injection, oil cylinder oil inlet driving piston rod Forward is projected, and then before pulling preformed seat
It moves, action of injection is completed in final screw rod Forward.
Since in injection process, the oil motor on preformed seat and preformed seat is moved with screw rod, and screw rod is past in front and back
Weight bearing in multiple movement is very big, and inertia is big, since inertia can not carry out greatly accurate control, mainly will lead to following two problem:
First, screw rod speed-raising is slow, and the feed liquid of front is caused to cool down, behind just carry out feeding；Second, screw rod difficulty is stopped after injection
Vehicle causes extra plastics to inject in mold and product is made the flaws such as overlap, burr occur, and if by increasing clamp force solution
Certainly the problem then consume energy, at high cost and die life it is short.
Summary of the invention
The technical problem to be solved by the invention for the present situation of prior art is to provide a kind of preformed seats and rotation driving
The low inertia ejecting mechanism for hydraulic cylinder injection molding machine that mechanism is not moved with screw rod, before which greatly reduces
The weight bearing of screw rod in moving back and forth afterwards and inertia have control precision, project the fast advantage that raises speed, thoroughly changes existing injection molding
The common fault that the control precision of machine is not high, speed-raising is slow, at high cost.
The technical scheme of the invention to solve the technical problem is: a kind of low inertia for hydraulic cylinder injection molding machine
Ejecting mechanism, including
Rack；
Barrel is set in rack, and screw rod is equipped in the barrel inner volume；
Multiple oil cylinders are set in rack, and each oil cylinder has the piston rod of the elastic reciprocating motion of energy；
Preformed seat is set in rack；And
Rotary drive mechanism is mounted on the preformed seat, for driving the screw rod to rotate；
Characterized by further comprising:
Push plate, between barrel and preformed seat, connection on the piston rod and can with piston rod relative to preformed seat work before
After move back and forth；
The screw rod be mounted in push plate and can under the promotion of the push plate along its axial direction with push plate it is synchronous make before and after it is past
Multiple movement；
The power output end of the screw rod and rotary drive mechanism is connected by scalable transmission mechanism, so that rotation drives
Mechanism can drive screw rod to rotate but not make front-rear reciprocation movement with screw rod.
In order to realize screw rod and rotary drive mechanism power output end flexible transmission, the scalable transmission mechanism packet
Transmission shaft is included, the rear end of screw rod is connected to；And
Axle sleeve is sequentially connected with the power output end of rotary drive mechanism, is set in the periphery of transmission shaft；
Along convex key is axially arranged in one of both in the periphery wall of the transmission shaft and the internal perisporium of axle sleeve, accordingly,
Another upper edge of the two in the periphery wall of the transmission shaft and the internal perisporium of axle sleeve is axially arranged with groove, and the convex key sliding plugs
In a groove.
Alternatively, the scalable transmission mechanism includes
Transmission shaft is connected to the rear end of screw rod；And
Axle sleeve is sequentially connected with the power output end of rotary drive mechanism, is set in the periphery of transmission shaft；
The cross section of the transmission shaft is triangle or polygon, and the axle sleeve has to be inserted with the side of transmission shaft or angle sliding
The slot matched.
Alternatively, the scalable transmission mechanism includes the transmission shaft being connected with screw rod and defeated with the power of rotary drive mechanism
The output shaft of outlet transmission connection, the rear end of transmission shaft is equipped with more root cutting bars, the front end of output shaft is correspondingly provided with multiple insert
Hole or the rear end of transmission shaft are equipped with multiple jacks, the front end of output shaft is correspondingly provided with more root cutting bars, and each inserted link is inserted
Enter in each jack.
In order to avoid push plate is rotated with screw rod when preformed, mounting hole is offered in the push plate, axis is equipped in the mounting hole
It holds, the transmission shaft is advanced through and is mounted on the inner ring of the bearing, alternatively, the screw rod backs through and is mounted on the axis
On the inner ring held.
In order to realize driving of the rotary drive mechanism to screw rod, the rotary drive mechanism includes being arranged with screw coaxial
Motor, the motor are mounted on the rear side of preformed seat, and the output shaft of the motor advances through preformed seat.
Alternatively, the rotary drive mechanism includes motor and transmission component, the motor is not coaxially disposed with screw rod, and
It is mounted on the front side of preformed seat, the output shaft of the motor backs through preformed seat and by transmission component output power.
In order to realize the installation of oil cylinder and barrel on the rack, the rack is equipped with ejecting base, the oil cylinder and described
Barrel is set on the ejecting base.
It further include that seat moves oil cylinder, this moves oil cylinder before ejecting base to drive sliding of the ejecting base on base
End, and ejecting base can be driven to move back and forth relative to before and after rack, the rack is equipped with guide rod, accordingly, described to penetrate
The first pilot hole and the second pilot hole worn for guide rod is offered respectively on seat and preformed seat out.
In order to guarantee that preformed seat slides with ejecting base, the ejecting base is connected with preformed seat by connecting rod.
Compared with the prior art, the advantages of the present invention are as follows: pass through the setting of push plate and moving rotary drive mechanism
Power output end is connect with screw rod by scalable transmission mechanism, and push plate can drive screw rod same under the thrust of cylinder piston rod
Step makees front-rear reciprocation movement, but not drives preformed seat and rotary drive mechanism with screw rod and push plate front-rear reciprocation movement,
In normal operation preformed seat and rotary drive mechanism with respect to rack be static and opposite screw rod and push plate be can be former
It moves afterwards；The power output end of rotary drive mechanism connect with screw drive always and can drive screw rod in working condition
Rotation, will not be detached from the power output end of driving mechanism because of push plate lead-screw front-rear reciprocation movement.This structure to penetrate
When mechanism works out, screw rod no longer loads the weight of preformed seat and rotary drive mechanism in front-rear reciprocation movement, thus greatly
Weight bearing and the inertia of the screw rod in front-rear reciprocation movement are reduced, so that the inertia of ejecting mechanism is low, so as to really realize
The accurate control of injection molding solves injection molding and projects that speed-raising is slow, difficult brake damage mold and generates product flash etc. after injection
A series of problem can produce the high injecting products of precision requirement using the present invention, and the service life of mold is greatly improved
With the quality and aesthetics of injecting products, production cost is also greatly reduced, revolutionizes common fault existing for existing injection molding machine,
With huge market application prospect.
Detailed description of the invention
Fig. 1 is schematic perspective view of the present invention for the embodiment 1 of the low inertia ejecting mechanism of hydraulic cylinder injection molding machine；
Fig. 2 is the transverse sectional view of Fig. 1；
Fig. 3 is the longitudinal sectional view of Fig. 1；
Fig. 4 is the transverse sectional view in Fig. 1 after low inertia ejecting mechanism preformed；
Fig. 5 is schematic perspective view of the present invention for the embodiment 2 of the low inertia ejecting mechanism of hydraulic cylinder injection molding machine；
Fig. 6 is the longitudinal sectional view of Fig. 5；
Fig. 7 is the longitudinal sectional view in Fig. 5 after low inertia ejecting mechanism preformed；
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
Embodiment 1:
It as shown in Figures 1 to 4, is first implementation of the low inertia ejecting mechanism for hydraulic cylinder injection molding machine of the invention
Example.The low inertia ejecting mechanism for being used for hydraulic cylinder injection molding machine includes organic frame 1, ejecting base 2, barrel 3, projects oil cylinder 4, preformed
Seat 5, rotary drive mechanism 6, push plate 7, scalable transmission mechanism 8 and seat move oil cylinder 9.
Wherein, ejecting base 2 and preformed seat 5 are set in rack 1, and ejecting base 2 is connected with preformed seat 5 by connecting rod 23
It connects.Seat moves the front end that oil cylinder 9 is set to ejecting base 2, and ejecting base 2 can be driven relative to moving back and forth before and after rack 1, in addition,
Rack 1 is equipped with guide rod 11 and accordingly offers first worn for guide rod 11 on ejecting base 2 and preformed seat 5 respectively and lead
To hole 21 and the second pilot hole 51, to facilitate the sliding of ejecting base 2 and preformed seat 5 in rack 1.
Barrel 3 is set to the middle position of ejecting base 2, the charging that barrel 3 has accommodating cavity 31 and is connected with accommodating cavity 31
Mouthfuls 32, screw rod 33 is equipped with inside accommodating cavity 31.The feeding-passage 22 being connected with feed inlet 32 is offered on ejecting base 2, it should be into
Material channel 22 is equipped with the valve 221 that can open and close feeding-passage 22.
Oil cylinder 4 is set on ejecting base 2, and in the present embodiment, the quantity of oil cylinder 4 is two and is symmetrically distributed in the two of barrel 3
Side.There is the piston rod 41 of the elastic reciprocating motion of energy on each oil cylinder 4.
Rotary drive mechanism 6 is mounted on preformed seat 5, for driving screw rod 33 to rotate.In the present embodiment, rotation
Driving mechanism 6 includes the motor 61 being coaxially disposed with screw rod 33, which is mounted on the rear side of preformed seat 5, the motor 61
Output shaft advances through preformed seat 5.
Between ejecting base 2 and preformed seat 5, push plate 7 is connected on piston rod 41 and can be opposite with piston rod 41 for push plate 7
Make front-rear reciprocation movement in ejecting base 2 and preformed seat 5.
Screw rod 33 is mounted in push plate 7 and can be with respect to 7 rotation of push plate, so that screw rod 33 can be in the promotion lower edge of push plate 7
Its axial direction synchronized with push plate 7 make front-rear reciprocation movement but push rod 7 not with screw rod 33 rotate.Specifically, installation is offered in push plate 7
Hole 71, the mounting hole 71 is interior to be equipped with bearing 711, and transmission shaft 81 is advanced through and is mounted on the inner ring of the bearing 711.
Screw rod 33 is connect with the power output end of rotary drive mechanism 6 by scalable transmission mechanism 8, so that rotation drives
Mechanism 6 can drive screw rod 33 to rotate but not make front-rear reciprocation movement with screw rod 33.Specifically, scalable transmission mechanism 8 includes passing
Moving axis 81 and axle sleeve 82, wherein transmission shaft 81 is connected to the rear end of screw rod 33, and the rear end of axle sleeve 82 is set in 61 output shaft of motor
Periphery, front end is set in the periphery of transmission shaft 81, along being axially arranged with convex key 811, accordingly, axis on the periphery wall of transmission shaft 81
Upper along groove 821 is axially arranged in the internal perisporium of set 82, the sliding of convex key 811 is plugged in groove 821.
The working principle of one embodiment of the low inertia ejecting mechanism for hydraulic cylinder injection molding machine of the invention is as follows:
(1) before being molded, seat moves oil cylinder 9 and works, and drives ejecting base 2 and preformed seat 5 along the guide rod 11 of rack 1 to mold side
To movement；
(2) when preformed, the output shaft of motor 61 passes sequentially through axle sleeve 82 and transmission shaft 81 drives the screw rod 33 in barrel 3 to revolve
Turn, the screw rod 33 of rotation shifts the melt of plasticizing onto barrel 3 front end, during being somebody's turn to do, since transmission shaft 81 and the rotation of push plate 7 connect
It connects, therefore push rod 7 will not be rotated with screw rod 33 and transmission shaft 81；
At the same time, screw rod 33 and transmission shaft 81 retreat under the reaction of material, and then push push plate 7 to retreat, and draw
Piston bar 41 moves back, and completes metering, during this, since the output shaft of screw rod 33 and motor 61 passes through transmission shaft 81 and axle sleeve
82 carry out scalable connection, and preformed seat 5 and rotary drive mechanism 6 will not make front-rear reciprocation movement with screw rod 33；
(3) it when injecting, projects 4 oil inlet of oil cylinder driving piston rod 41 and moves forward, and then push plate 7 is pulled to move forward, finally drive spiral shell
Action of injection is completed in the Forward of bar 33, similarly, during this, due to the output shaft of screw rod 33 and motor 61 by transmission shaft 81 and
Axle sleeve 82 carries out scalable connection, and preformed seat 5 and rotary drive mechanism 6 will not make front-rear reciprocation movement with screw rod 33.
Embodiment 2:
It as shown in Figures 5 to 7, is second implementation of the low inertia ejecting mechanism for hydraulic cylinder injection molding machine of the invention
Example.The present embodiment and above-mentioned one embodiment the difference is that: rotary drive mechanism 6 includes motor 61 and transmission component
62, motor 61 is not coaxially disposed with screw rod 33, and is mounted on the front side of preformed seat 5, and the output shaft of the motor 61 backs through pre-
It moulds seat 5 and passes through 62 output power of transmission component.
In the present embodiment, transmission component 62 includes driving pulley 621, driven pulley 622 and transmission belt 623.Wherein, main
Movable belt pulley 621 is mounted on the output shaft of motor 61, and driven pulley 622 is mounted on the rear side of preformed seat 5 and coaxial with screw rod 33
Setting, transmission belt 623 is set on driving pulley 621 and driven pulley 622 so that driving pulley 621 and driven pulley 622 pass
Dynamic connection.
In addition, the axle sleeve 82 in one embodiment is eliminated in the present embodiment, and 622 centre bore of driven pulley is interior
Upper along groove 6221 is axially arranged in peripheral wall, the sliding of convex key 811 is plugged in groove 6221.It can of course be by one embodiment
In axle sleeve 82 be mounted in the centre bore of driven pulley 622, reach identical purpose.
Compared with one embodiment, the stroke of screw rod 33 and transmission shaft 81 in the present embodiment is not by ejecting base 2 and in advance
The influence of distance between seat 5 is moulded, low inertia can be reduced while guaranteeing that screw rod 33 and transmission shaft 81 have longer stroke
The occupied space of ejecting mechanism entirety.
The working principle of second embodiment of the low inertia ejecting mechanism for hydraulic cylinder injection molding machine of the invention is as follows:
(1) before being molded, seat moves oil cylinder 9 and works, and drives ejecting base 2 and preformed seat 5 along the guide rod 11 of rack 1 to mold side
To movement；
(2) when preformed, the output shaft of motor 61 drives driving pulley 621 to rotate, and driving pulley 621 passes through transmission belt 623
Driven pulley 622 is driven to rotate, driven pulley 622 drives the screw rod 33 in barrel 3 to rotate by transmission shaft 81 again, the spiral shell of rotation
Bar 33 shifts the melt of plasticizing onto barrel 3 front end, during being somebody's turn to do, since transmission shaft 81 and push plate 7 are rotatablely connected, and push rod 7
It will not be rotated with screw rod 33 and transmission shaft 81；
At the same time, screw rod 33 and transmission shaft 81 retreat under the reaction of material, and then push push plate 7 to retreat, and draw
Piston bar 41 moves back, and completes metering, during this, since the centre bore of screw rod 33 and driven pulley 622 passes through transmission shaft 81
Scalable connection is carried out, preformed seat 5 and rotary drive mechanism 6 will not make front-rear reciprocation movement with screw rod 33；
(3) it when injecting, projects 4 oil inlet of oil cylinder driving piston rod 41 and moves forward, and then push plate 7 is pulled to move forward, finally drive spiral shell
Action of injection is completed in the Forward of bar 33, similarly, during this, since the centre bore of screw rod 33 and driven pulley 622 passes through transmission
Axis 81 carries out scalable connection, and preformed seat 5 and rotary drive mechanism 6 will not make front-rear reciprocation movement with screw rod 33.
Claims (10)
1. a kind of low inertia ejecting mechanism for hydraulic cylinder injection molding machine, including
Rack (1)；
Barrel (3) is set on rack (1), is equipped with screw rod (33) in barrel (3) inner volume；
Multiple oil cylinders (4) are set on rack (1), and each oil cylinder (4) has the piston rod of the elastic reciprocating motion of energy
(41)；
Preformed seat (5) is set on rack (1)；And
Rotary drive mechanism (6) is mounted on the preformed seat (5), for driving the screw rod (33) to rotate；
Characterized by further comprising:
Push plate (7) is connected on piston rod (41) and can be opposite with piston rod (41) between barrel (3) and preformed seat (5)
Make front-rear reciprocation movement in preformed seat (5)；
The screw rod (33) is mounted on push plate (7) and can be synchronous with push plate (7) along its axial direction under the promotion of the push plate (7)
Make front-rear reciprocation movement；
The screw rod (33) is connect with the power output end of rotary drive mechanism (6) by scalable transmission mechanism (8), so that rotation
Turning driving mechanism (6) can drive screw rod (33) to rotate but not make front-rear reciprocation movement with screw rod (33).
2. the low inertia ejecting mechanism according to claim 1 for hydraulic cylinder injection molding machine, it is characterised in that: described to stretch
Contracting transmission mechanism (8) includes
Transmission shaft (81), is connected to the rear end of screw rod (33)；And
Axle sleeve (82) is sequentially connected with the power output end of rotary drive mechanism (6), is set in the periphery of transmission shaft (81)；
Edge is axially arranged with convex key in one of both in the periphery wall of the transmission shaft (81) and the internal perisporium of axle sleeve (82)
(811), accordingly, another upper edge of the two in the periphery wall of the transmission shaft (81) and the internal perisporium of axle sleeve (82) is axially arranged with
Groove (821), convex key (811) sliding are plugged in groove (821).
3. the low inertia ejecting mechanism according to claim 1 for hydraulic cylinder injection molding machine, it is characterised in that: described to stretch
Contracting transmission mechanism (8) includes
Transmission shaft (81), is connected to the rear end of screw rod (33)；And
Axle sleeve (82) is sequentially connected with the power output end of rotary drive mechanism (6), is set in the periphery of transmission shaft (81)；
The cross section of the transmission shaft (81) is triangle or polygon, the axle sleeve (82) have with the side of transmission shaft (81) or
The slot of angle sliding inserting.
4. the low inertia ejecting mechanism according to claim 1 for hydraulic cylinder injection molding machine, it is characterised in that: described to stretch
Contracting transmission mechanism (8) includes the transmission shaft (81) being connected with screw rod (33) and passes with the power output end of rotary drive mechanism (6)
The output shaft of dynamic connection, the rear end of transmission shaft (81) is equipped with more root cutting bars, the front end of output shaft is correspondingly provided with multiple jacks,
Or the rear end of transmission shaft (81) is equipped with multiple jacks, the front end of output shaft is correspondingly provided with more root cutting bars, each inserted link
It is inserted into each jack.
5. the low inertia ejecting mechanism of hydraulic cylinder injection molding machine is used for according to any claim in claim 2 to 4,
It is characterized in that: offering mounting hole (71) on the push plate (7), be equipped with bearing (711) in the mounting hole (71), the transmission shaft
(81) it advances through and is mounted on the inner ring of the bearing (711), alternatively, the screw rod (33) backs through and is mounted on the axis
On the inner ring for holding (711).
6. the low inertia ejecting mechanism according to claim 1 for hydraulic cylinder injection molding machine, it is characterised in that: the rotation
Driving mechanism (6) includes the motor (61) with screw rod (33) coaxial arrangement, which is mounted on the rear side of preformed seat (5),
The output shaft of the motor (61) advances through preformed seat (5).
7. the low inertia ejecting mechanism according to claim 1 for hydraulic cylinder injection molding machine, it is characterised in that: the rotation
Driving mechanism (6) includes motor (61) and transmission component (62), and the motor (61) is not coaxially disposed with screw rod (33), and pacifies
Mounted in the front side of preformed seat (5), the output shaft of the motor (61) backs through preformed seat (5) and is exported by transmission component (62)
Power.
8. the low inertia ejecting mechanism according to claim 1 for hydraulic cylinder injection molding machine, it is characterised in that: the rack
(1) ejecting base (2) are equipped with, the oil cylinder (4) and the barrel (3) are set on the ejecting base (2).
9. the low inertia ejecting mechanism according to claim 8 for hydraulic cylinder injection molding machine, it is characterised in that: further include seat
Move oil cylinder (9), the seat move oil cylinder (9) be set to ejecting base (2) front end, and can drive ejecting base (2) relative to rack (1) before
After move back and forth, the rack (1) be equipped with guide rod (11), accordingly, on the ejecting base (2) and preformed seat (5) distinguish
Offer the first pilot hole (21) and the second pilot hole (51) worn for guide rod (11).
10. the low inertia ejecting mechanism according to claim 9 for hydraulic cylinder injection molding machine, it is characterised in that: described to penetrate
Seat (2) is connected with preformed seat (5) by connecting rod (23) out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910795683.7A CN110385841A (en) | 2019-08-27 | 2019-08-27 | Low inertia ejecting mechanism for hydraulic cylinder injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910795683.7A CN110385841A (en) | 2019-08-27 | 2019-08-27 | Low inertia ejecting mechanism for hydraulic cylinder injection molding machine |
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| CN110385841A true CN110385841A (en) | 2019-10-29 |
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ID=68289444
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910795683.7A Pending CN110385841A (en) | 2019-08-27 | 2019-08-27 | Low inertia ejecting mechanism for hydraulic cylinder injection molding machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112895299A (en) * | 2021-01-14 | 2021-06-04 | 西诺控股集团有限公司 | High-speed low-inertia structure and intelligent full-electric injection molding machine with same |
| CN112917821A (en) * | 2021-01-21 | 2021-06-08 | 西诺控股集团有限公司 | High-speed low-inertia structure applied to injection molding machine and injection molding machine with structure |
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| CN112917821A (en) * | 2021-01-21 | 2021-06-08 | 西诺控股集团有限公司 | High-speed low-inertia structure applied to injection molding machine and injection molding machine with structure |
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