CN208992989U - A kind of clamping and injection molding machine - Google Patents

Abstract

The utility model discloses a kind of clamping and injection molding machine; wherein; clamping includes front template, moving template and rear pattern plate; moving template is movably disposed between front template and rear pattern plate; hydraulic power unit is provided on moving template and rear pattern plate; the ejection cylinder of hydraulic power unit and ejection assembly on moving template connects; ejection assembly is set on the moving template; hydraulic power unit on rear pattern plate is connect with die cylinder and mode locking actuator, and hydraulic power unit is ejection cylinder, die cylinder and mode locking actuator provide hydraulic power.By the way that hydraulic power unit is arranged on moving template and rear pattern plate; it can be closely die cylinder, mode locking actuator and ejection cylinder provide hydraulic power; promote the running speed of three; and then promote working efficiency; and the hydraulic power unit being wholely set, so that the structure of entire clamping is more compact, occupied area is small; consumptive material uses less, easy to repair.

Description

A kind of clamping and injection molding machine

Technical field

The utility model relates to injection-moulding device technical field more particularly to a kind of clampings and injection molding machine.

Background technique

It include following process: molding → injection molding → product pressure maintaining feeding → cooling and shaping in the course of work of injection molding machine Plastic products are taken out in → preformed → die sinking → product ejects →.Currently, injection molding machine has hydraulic injection molding machine and two kinds of electric injection molding machine.

Hydraulic injection molding machine is using hydraulic system driving all parts movement, such as open mold, high-voltage lock mould, ejection are dynamic Make, but hydraulic system has the following deficiencies: that the fuel tank of 1, hydraulic system is arranged independently of clamping, and apart from clamping On each oil cylinder farther out (i.e. oil circuit is long) so that the running speed of oil cylinder is slow, low efficiency, energy consumption are high；2, hydraulic system is close Envelope property is poor, is easy to happen leakage；3, fuel tank is independently arranged, and is existed and is taken up a large area, the problem more than consumptive material；4, oil circuit length is so that whole The physical impact serious vibration of a hydraulic system, noise are big；5, maintenance cost is high, and service life is short.In addition, current oil pressure is infused The open mold of molding machine and ejection movement are the same oil circuit conveyings, and die cylinder and ejection cylinder there is a situation where to rob oil, so that Open mold synchronous cannot be carried out with ejection movement, i.e., response speed is slow.

And although electric injection molding machine is using motor driven, can at work the different function motor of each power (including Mold servo motor, preformed servo motor, ejection mould motor etc.) timesharing driving is distinguished according to the action situation of motor, reduce energy Consumption, while periodic replacement hydraulic oil is not needed, so that electric injection molding machine running cost compared hydraulic injection molding machine is low.But electronic note Molding machine is mainly the screw rod of servo motor driving, this structure cannot be used for large-tonnage injection molding machine, and ball screw be prone to wear, It is slow to execute speed, there is a problem of easy to damage, increase the cost of maintenance and replacement.

Utility model content

One of the utility model is designed to provide a kind of clamping, and compact-sized, occupied area is small, cost It is low.

Another of the utility model is designed to provide a kind of clamping, fast response time, and noise is small.

Another of the utility model is designed to provide a kind of simple and at low cost injection molding machine of structure.

For this purpose, the utility model uses following technical scheme:

In a first aspect, providing a kind of clamping, including front template, moving template and rear pattern plate, the moving template is removable Ground is arranged between the front template and the rear pattern plate, is provided with hydraulic power list on the moving template and the rear pattern plate Member, the ejection cylinder connection of the hydraulic power unit and ejection assembly on the moving template, the ejection assembly are set It sets on the moving template, the hydraulic power unit on the rear pattern plate and die cylinder and mode locking actuator connect It connects, the hydraulic power unit is the ejection cylinder, the die cylinder and the mode locking actuator provide hydraulic power.

As a kind of preferred embodiment of clamping, the hydraulic power unit includes the motor being assembled into one, connection Case, fuel tank and gear pump, the opposite two sides of the connecting box are detachably connected the motor and the fuel tank, the gear respectively Pump is detachably arranged in the fuel tank, and the motor is connected with the gear pump transmission, the inlet port connection of the gear pump In the fuel tank, the oil outlet connection of the gear pump is located at the oil discharging seat outside the fuel tank, and the oil discharging seat is equipped with commutation Valve, for the first fuel-displaced hydraulic fluid port and for the second hydraulic fluid port of oil return, first hydraulic fluid port and the second hydraulic fluid port are connected with oil pipe, institute The one end far from the oil discharging seat for stating oil pipe can connect the ejection cylinder, the die cylinder and the mode locking actuator.

As a kind of preferred embodiment of clamping, it is arranged in described in the hydraulic power unit on the rear pattern plate Oil discharging seat connects transfer box by the oil pipe, and the transfer box passes through oil pipe respectively and connects the die cylinder and the mode locking Actuator.

As a kind of preferred embodiment of clamping, the fuel tank is aluminium alloy fuel tank；The outside of the fuel tank and/or Face is provided with radiator.

As a kind of preferred embodiment of clamping, link assembly, institute are set between the rear pattern plate and the moving template It states link assembly and connects the die cylinder and the moving template, the link assembly can drive under the driving of the die cylinder The moving template is moved to move linearly.

As a kind of preferred embodiment of clamping, the rear pattern plate includes rear pattern plate ontology, and the rear pattern plate ontology leans on Two mounting bases are arranged in the side interval of the nearly moving template, are equipped with long hole in the mounting base, the length of the long hole is along institute The moving direction for stating moving template extends；

The link assembly includes first connecting rod, distance rod, second connecting rod and third connecting rod, the both ends of the first connecting rod It is slidably arranged in the long hole by the first guide rod, the first connecting rod moves linearly but do not depart from the long hole The long hole, the opposite two sides of the first connecting rod are respectively articulated with the distance rod, and the distance rod is far from described first The middle part of the hinged second connecting rod in one end of connecting rod, one end of the second connecting rod and rear pattern plate are hinged, the other end and third The end of connecting rod is hinged, and the one end of the third connecting rod far from the second connecting rod and the moving template are hinged.

It further include pull rod as a kind of preferred embodiment of clamping, one end of the pull rod is fixedly connected with front template, The other end passes through the moving template and is screwed on the adjustment nut screw thread being arranged on the rear pattern plate, is provided on the rear pattern plate The installation cavity of the adjustment nut is accommodated, the mobile gland of the restricted adjustment nut is arranged in the opening of the installation cavity, The adjustment nut partially passes through the gland and extends to that the installation cavity is outer to be fixedly connected with nut gear, in the rear pattern plate Molding gear is can be rotatably set away from the side of the moving template, the nut gear is nibbled with the molding gear It closes, the mode locking actuator is hydraulic motor, the motor of the molding gear and the output end that the hydraulic motor is arranged in Gear engagement.

As a kind of preferred embodiment of clamping, the molding gear has mounting hole, the inner wall of the mounting hole On be equipped with guide groove, annular is fixed at least three fixed columns on the rear pattern plate, can be rotatably set in the fixed column Guide wheel, the guide wheel and the guide groove, which roll, to be connected.

As a kind of preferred embodiment of clamping, the fuel tank of the hydraulic power unit on the rear pattern plate Capacity is greater than the capacity of the fuel tank for the hydraulic power unit being located on the moving template.

Second aspect provides a kind of injection molding machine, including the clamping.

The utility model has the beneficial effects that by the way that hydraulic power unit is arranged on moving template and rear pattern plate, it can be with low coverage Hydraulic power is provided from for die cylinder, mode locking actuator and ejection cylinder, promotes the running speed of three, and then promote work Efficiency, and the hydraulic power unit being wholely set, so that the structure of entire clamping is more compact, occupied area is small, consumptive material It is easy to repair using few；Die cylinder and ejection cylinder pass through a hydraulic power unit respectively and provide hydraulic power, so that closing Mould oil cylinder and ejection cylinder can be with synchronous averagings, and then realize that die sinking movement is synchronous with ejection movement and carry out, i.e. realization side die sinking Side backform is made up the difference movement, and working efficiency is promoted.

Detailed description of the invention

Fig. 1 is the stereoscopic schematic diagram of the clamping of the utility model.

Fig. 2 is the decomposition diagram of the clamping of the utility model.

Fig. 3 is the decomposition diagram of the moving template of the utility model.

Fig. 4 is the stereoscopic schematic diagram of the rear pattern plate of the utility model.

Fig. 5 is the decomposition diagram of the rear pattern plate of the utility model.

Fig. 6 is the stereoscopic schematic diagram of the hydraulic power unit of the clamping of the utility model.

Fig. 7 is the decomposition diagram of the hydraulic power unit of the clamping of the utility model.

In figure:

1, front template；2, moving template；201, the first hinged seat；202, pedestal；3, rear pattern plate；301, rear pattern plate ontology； 302, mounting base；303, long hole；304, the second hinged seat；305, the first guide rod；4, hydraulic power unit；401, motor； 402, connecting box；4021, the second connecting plate；4022, via hole；403, fuel tank；4031, the first connecting plate；4032, fuel tank is open； 404, gear pump；405, oil discharging seat；406, reversal valve；407, oil pipe；408, transfer box；409, radiator；4091, the first heat dissipation Plate；4092, the second heat sink；410, gasket；411, oil pump shaft coupling；412, motor coupler；413, fuel sucking pipe；414, mistake Filter；415, liquidometer；5, ejection assembly；501, ejection cylinder；6, die cylinder；7, link assembly；701, first connecting rod； 702, distance rod；703, second connecting rod；704, third connecting rod；8, hydraulic motor；801, motor gear；9, pull rod；10, mode transfer spiral shell It is female；11, gland；12, nut gear；13, molding gear；1301, mounting hole；14, fixed column；15, unit fixing seat；16, Sliding block；17, sliding rail.

Specific embodiment

Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.

In the description of the present invention, it should be understood that the orientation or positional relationship of the instructions such as term "inner", "outside" To be based on the orientation or positional relationship shown in the drawings, it is merely for convenience of describing the present invention and simplifying the description, without referring to Show or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot manage Solution is limitations of the present invention.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more this feature.

In the description of the present invention, unless otherwise clearly defined and limited, term " fixation " shall be understood in a broad sense, For example, it may be being fixedly connected, it may be a detachable connection, or integral；It can be mechanical connection, be also possible to be electrically connected It connects；Can be directly connected, can also indirectly connected through an intermediary, can be two components interiors connection or two portions The interaction relationship of part.For the ordinary skill in the art, above-mentioned term can be understood in this reality with concrete condition With the concrete meaning in novel.

In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it "lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to Cross the other characterisation contact between them.Moreover, fisrt feature includes fisrt feature in the second spy in the "upper" of second feature Right above sign and oblique upper, or first feature horizontal height is merely representative of higher than second feature.Fisrt feature second feature it "lower" includes that fisrt feature is directly below and diagonally below the second feature, or is merely representative of first feature horizontal height less than the second spy Sign.

As shown in Fig. 1 to 7, the present embodiment provides a kind of clamping, the mainly clamping on injection molding machine, this moldings Mechanism is full hydraulic drive.

Clamping includes front template 1, moving template 2, rear pattern plate 3 and two independent hydraulic power units 4, wherein dynamic Template 2 is movably disposed between the front template 1 and the rear pattern plate 3, and one of hydraulic power unit 4 is arranged in institute It states on moving template 2, another hydraulic power unit 4 is arranged in the rear pattern plate 3, moving template 2 and the hydraulic power being arranged thereon Unit 4 forms front template component, and rear pattern plate 3 and the hydraulic power unit 4 being arranged thereon form rear pattern plate component.

The hydraulic power unit 4 on the moving template 2 is connect with the ejection cylinder 501 of ejection assembly 5, described Ejection assembly 5 is arranged on the moving template 2, the hydraulic power unit 4 and die cylinder 6 on the rear pattern plate 3 It is connected with mode locking actuator, the hydraulic power unit 4 is the ejection cylinder 501, the die cylinder 6 and the mode locking Actuator provides hydraulic power.It can be closely molding by the way that hydraulic power unit 4 is arranged on moving template 2 and rear pattern plate 3 Oil cylinder 6, mode locking actuator and ejection cylinder 501 provide hydraulic power, promote the running speed of three, and then promote work effect Rate, and the hydraulic power unit 4 being wholely set, so that the structure of entire clamping is more compact, occupied area is small, and consumptive material makes It is easy to repair with few；Die cylinder 6 and ejection cylinder 501 provide hydraulic power by a hydraulic power unit 4 respectively, make It obtains die cylinder 6 and ejection cylinder 501 can be with synchronous averaging, and then realize that die sinking movement is synchronous with ejection movement and carry out, i.e., in fact The existing backform in die sinking is made up the difference movement, promotion working efficiency.

The front template 1, the moving template 2 and the horizontally spaced arrangement of the rear pattern plate 3, on the rear pattern plate 3 The hydraulic power unit 4 be located at the top of the rear pattern plate 3, the hydraulic power unit 4 on the moving template 2 is located at 2 left sides or right side plate of the moving template.

Optionally, the hydraulic power unit 4 includes motor 401, connecting box 402, fuel tank 403 and the tooth being assembled into one Wheel pump 404, the opposite two sides of the connecting box 402 are detachably connected the motor 401 and the fuel tank 403, the tooth respectively Wheel pump 404 is detachably arranged in the fuel tank 403, and the motor 401 and the gear pump 404 are sequentially connected, the gear The inlet port of pump 404 is connected in the fuel tank 403, and the oil outlet connection of the gear pump 404 is located at going out outside the fuel tank 403 Font 405, the oil discharging seat 405 are equipped with reversal valve 406, for fuel-displaced the first hydraulic fluid port and for the second hydraulic fluid port of oil return, First hydraulic fluid port and the second hydraulic fluid port are connected with oil pipe 407, and one end far from the oil discharging seat 405 of the oil pipe 407 can connect Connect the ejection cylinder 501, the die cylinder 6 and the mode locking actuator.By by all parts of hydraulic power unit 4 It is assembled into one, integration degree is high for component, convenient for assembling, while can also reduce the dismounting difficulty of entire hydraulic power unit 4； By being arranged gear pump 404 in fuel tank 403, the problem of being easy to happen leakage when gear pump 404 is exposed can be prevented, separately Outside, gear pump 404 is to the of less demanding of the quality of hydraulic oil, and at runtime, noise is less, long service life.

The oil discharging seat 405 that the hydraulic power unit 4 on the rear pattern plate 3 is arranged in passes through the oil pipe 407 Transfer box 408 is connected, the transfer box 408 connects the die cylinder 6 and the mode locking actuator by oil pipe 407 respectively. Hydraulic power unit 4 can be driven die cylinder 6 and mode locking actuator simultaneously by setting transfer box 408, that is, realize a liquid Pressure power unit 4 drives two hydraulic mechanisms, compact-sized.

Optionally, the fuel tank 403 is aluminium alloy fuel tank.By setting aluminum alloy material for fuel tank 403, can accelerate Hydraulic oil heat dissipation in fuel tank 403, improving radiating effect.

Certainly, for improving radiating effect, the lateral surface of the fuel tank 403 can also be provided with radiator 409.It is optional Ground is respectively provided with the radiator 409 on opposite two side of the fuel tank 403.It is further preferred that the radiator 409 The first heat sink 4091 including covering the side of the fuel tank 403, first heat sink 4091 deviate from the fuel tank 403 side is parallel along the vertical direction and multiple second heat sinks 4092 are arranged in interval, and second heat sink 4092 hangs down Directly in first heat sink 4091.By the way that radiator 409 is arranged, the heat dissipation effect of fuel tank 403 can be further strengthened, by liquid The temperature precise control of pressure oil temperature and gear pump 404, simultaneously because hydraulic power unit 4 is to be directly anchored to 2 He of moving template On rear pattern plate 3, therefore it can be designed smaller in the size of fuel tank 403, while the ruler of gear pump 404 and motor 401 It is very little to be designed smaller, the gear pump 404 and motor 401 of this size necessarily generate heat it is fewer, therefore to a certain degree On also improve heat dissipation effect, can be energy saving in addition, the electric energy that the gear pump 404 of this size and motor 401 consume is few.

Optionally, for the ease of fixed heat sink 409, the first heat sink 4091 can be bonded in by heat-conducting glue described On fuel tank 403.By the way that the first heat sink 4091 to be bonded on fuel tank 403 using heat-conducting glue, radiator 409 is not only simplified Fixed structure improves disassembly efficiency, can also accelerate the heat transfer on fuel tank 403 to radiator 409 using heat-conducting glue, mention Rise heat dissipation effect.

Further, the fuel tank 403 has the fuel tank opening 4032 close to the connecting box 402, the fuel tank opening 4032 size is greater than the size of the gear pump 404, to be installed on the gear pump 404 by fuel tank opening 4032 The inside of the fuel tank 403.4032 are open by setting fuel tank, it can be in order to the dismounting and replacement of gear pump 404, while also just In the cleaning of fuel tank 403, the difficulty of installation and follow-up maintenance is reduced.

The fuel tank opening 4032 is extended with the first connecting plate 4031 towards the outside of the fuel tank 403, and described first connects Several first mounting holes are arranged in annular on fishplate bar 4031；The connecting box 402 is fixed with second close to the side of the fuel tank 403 Connecting plate 4021, the shape and size phase of the shape and size of second connecting plate 4021 and first connecting plate 4031 Match, second connecting plate 4021 is equipped with the second mounting hole corresponding with first mounting hole, first connecting plate 4031 are connect by screw with the second connecting plate 4021, are set between first connecting plate 4031 and second connecting plate 4021 It is equipped with gasket 410, via hole 4022 is opened up on second connecting plate 4021, the output end of the gear pump 404 is provided with oil Shaft coupling 411 is pumped, the oil pump shaft coupling 411 stretches in the connecting box 402 by the via hole 4022 and the motor The motor coupler 412 of 401 output shaft end connects.It, can be with leakproof fuel cell 403 and connecting box 402 by the way that gasket 410 is arranged Between gap, prevent hydraulic oil by fuel tank opening 4032 and via hole 4022 enter connecting box 402 in, improve making for hydraulic oil With efficiency, while also reducing environmental pollution.

Fuel sucking pipe 413 is arranged in the inlet port of the gear pump 404, and filter 414 is arranged in the end of the fuel sucking pipe 413. Filter 414 can filter hydraulic oil, so that the hydraulic oil impurity entered in fuel sucking pipe 413 and gear pump 404 is few, avoid shadow Ring the normal work of subsequent each oil cylinder or motor.

The top of gear pump 404 is connect with the top side detachable of fuel tank 403 so that the oil outlet of the gear pump 404 with The oil discharging seat 405 at 403 top of fuel tank is connected to.By the way that gear pump 404 to be fixed on to the top of fuel tank 403, on the one hand can reduce Gear pump 404 is immersed in the area in hydraulic oil, prevents excessive hydraulic oil from overflowing across the via hole 4022 on connecting box 402, reduces On the other hand the leakage of hydraulic oil can make oil outlet be located at top, reduce the leakage of oil outlet.

The liquidometer 415 of monitoring 403 inside oil mass of fuel tank is additionally provided on oil discharging seat 405.It can by setting liquidometer 415 To observe the surplus of the hydraulic oil in fuel tank 403 in real time.

For the ease of installing hydraulic power unit 4 on moving template 2, it is additionally provided with unit fixing seat 15, unit fixing seat 15 include two the first seat boards and the second seat board connected vertically, wherein the side of the first seat board and moving template 2 is detachably connected, Second seat board is connect with the top side detachable of the connecting box 402 of hydraulic power unit 4, is set between the first seat board and the second seat board Stiffening plate is set, wherein a side of stiffening plate is fixedly connected with the first seat board far from the one side of moving template 2, another side and the Two seat boards are fixedly connected.The setting position of hydraulic power unit 4 on moving template 2 is located at the side for not hindering moving template 2 mobile, Therefore for the ease of the hydraulic power unit 4 on installation moving template 2, this element fixing seat 15 is set.And be arranged on rear pattern plate 3 Hydraulic power unit 4 can be directly anchored to the top of rear pattern plate 3, i.e. the bottom of the connecting box 402 of this hydraulic power unit 4 extends There is installation position, through-hole is opened up on installation position, corresponding to open up threaded hole at the top of rear pattern plate 3, fixing screws pass through described logical Hole is screwed in the threaded hole, and the hydraulic power unit 4 is fixed on rear pattern plate 3.

Optionally, link assembly 7 is set between the rear pattern plate 3 and the moving template 2, and the link assembly 7 connects institute Die cylinder 6 and the moving template 2 are stated, the link assembly 7 can drive the moving template under the driving of the die cylinder 6 2 move linearly.

The rear pattern plate 3 includes rear pattern plate ontology 301, and the rear pattern plate ontology 301 is between the side of the moving template 2 Every two mounting bases 302 are arranged, it is equipped with long hole 303 in the mounting base 302, the length of the long hole 303 is along the moving template 2 Moving direction extend, the link assembly 7 include first connecting rod 701, distance rod 702, second connecting rod 703 and third connecting rod 704, the both ends of the first connecting rod 701 are slidably arranged in the long hole 303 by the first guide rod 305, and described first Connecting rod 701 moves linearly in the long hole 303 but does not depart from the long hole 303, the opposite two sides of the first connecting rod 701 point Not hinged distance rod 702, the one end of the distance rod 702 far from the first connecting rod 701 hinged described second connect The middle part of bar 703, one end of the second connecting rod 703 and rear pattern plate 3 are hinged, and the end of the other end and third connecting rod 704 is hinged, The one end of the third connecting rod 704 far from the second connecting rod 703 and the moving template 2 are hinged.The link assembly 7 of this structure can To realize that lesser oil cylinder working-pressure makes clamping generate biggish mold clamping force, cost has been saved.

Optionally, two distance rods 702 rotation direction on the contrary, and two second connecting rods 703 rotation direction on the contrary, two The rotation direction of a third connecting rod 704 is opposite.Two distance rods, 702, two second connecting rods 703 and two third connecting rods 704 divide Not along the center symmetric setting of first connecting rod 701.It is steady that this design may be implemented thrust, reduces noise, while meeting lesser Oil cylinder working-pressure makes clamping generate the demand of biggish mold clamping force.

Clamping further includes pull rod 9, and there are four the quantity of pull rod 9, and four pull rods 9 are located at the quadrangle position of clamping, One end of the pull rod 9 is fixedly connected with front template 1, and the other end passes through the moving template 2 and is arranged on the rear pattern plate 3 10 screw thread of adjustment nut is screwed on, and the installation cavity for accommodating the adjustment nut 10 is provided on the rear pattern plate 3, the installation cavity The mobile gland 11 of the restricted adjustment nut 10 is arranged in opening, and the adjustment nut 10 partially passes through the gland 11 and prolongs It extends to and is fixedly connected outside the installation cavity with nut gear 12, be can be rotated in the rear pattern plate 3 away from the side of the moving template 2 Ground is provided with molding gear 13, and the nut gear 12 is engaged with the molding gear 13, and the mode locking actuator is liquid Pressure motor 8, the molding gear 13 are engaged with the motor gear 801 for the output end that the hydraulic motor 8 is arranged in.Hydraulic Under the driving of motor 8, the rotation of motor gear 801 can drive molding gear 13 to rotate, and the rotation of molding gear 13 can drive Nut gear 12 rotate, and then drive adjustment nut 10 moved on pull rod 9, due to adjustment nut 10 be glanded 11 be limited in after In the installation cavity of template 3, therefore rear pattern plate 3 can be moved along pull rod 9 towards moving template 2, and then realize mode locking.

Optionally, the molding gear 13 has mounting hole 1301, is equipped with and leads on the inner wall of the mounting hole 1301 Slot, annular is fixed at least three fixed columns 14 on the rear pattern plate 3, can be rotatably set guide wheel in the fixed column 14, The guide wheel and the guide groove, which roll, to be connected.Fixed column 14 and guide wheel can make the position restriction of molding gear 13 in rear pattern plate On 3, the cooperation of guide wheel and guide groove can make friction of the molding gear 13 around own axis when small, reduce as far as possible dynamic Power consumption.

Preferably, uniformly there are four the fixed columns 14 for annular on rear pattern plate 3.

The capacity of the fuel tank 403 of the hydraulic power unit 4 on the rear pattern plate 3, which is greater than, is located at the moving template The capacity of the fuel tank 403 of the hydraulic power unit 4 on 2.Hydraulic power unit 4 on rear pattern plate 3 is die cylinder 6 simultaneously Hydraulic power is provided with the hydraulic motor 8 of mode locking, therefore the capacity designed is larger, in order to be able to meet while be two Component provides hydraulic power.

Two the first hinged seats 201 are set on moving template 2, and two first hinged seats 201 are along the moving template 2 The heart is symmetrical arranged, and two first hinged seats 201 are fixed on moving template 2 close to the side of the rear pattern plate 3, two thirds The one end of connecting rod 704 far from the second connecting rod 703 connects the first hinged seat 201 by bolt respectively, so that third connecting rod 704 Can around the center axis thereof of the hinge hole on the first hinged seat 201, ejection cylinder 501 be located at two the first hinged seats 201 it Between, liftout plate is arranged in the piston rod end of ejection cylinder 501, and liftout plate is movably arranged on the inside of moving template 2, in moving template 2 Four the second guide rods of interior setting, through-hole of four the second guide rods on liftout plate, are oriented to, so that liftout plate for liftout plate It is only capable of moving along the length direction of the second guide rod；Two the second hinged seats 304 are arranged close to the side of moving template 2 in rear pattern plate 3, Two second hinged seats 304 are along the center symmetric setting of the rear pattern plate 3, and two second hinged seats 304 are distinguished Set on the two sides of mounting base 302, two mounting bases 302 and two the second hinged seats 304 form the chamber for accommodating first connecting rod 701 Room, first connecting rod 701 move in chamber along assigned direction, the one end of second connecting rod 703 far from third connecting rod 704 and the second hinge Joint chair 304 is connected by bolt, so that second connecting rod 703 is rotated around the axis of bolt.

The two sides of the width direction of moving template 2 are provided with pedestal 202, and the bottom of pedestal 202 is detachably provided with sliding block 16, sliding block 16 is slidably arranged on sliding rail 17, it is preferable that sliding rail 17 is line style sliding rail.

Molding and mode locking process are as follows:

The motor 401 of hydraulic power unit 4 on rear pattern plate 3 starts, and motor 401 drives gear pump 404 will be in fuel tank 403 Hydraulic oil be conveyed to transfer box 408, transfer box 408 is conveyed to die cylinder 6 by oil pipe 407 again, the driving of die cylinder 6 the One connecting rod 701 is mobile towards the side of front template 1, and link assembly 7 drives moving template 2 under the driving of first connecting rod 701 at this time Molding is realized towards front template 1 is mobile, and after moving template 2 is moved to designated position, gear pump 404 continues defeated to hydraulic motor 8 Liquor charging pressure oil, so that the movement of hydraulic motor 8 and the rotation of drive motor gear 801, molding gear 13 after motor gear 801 rotates Rotation, the rotation of 13 synchronous drive nut gear 12 of molding gear, nut gear 12 drive adjustment nut 10 to revolve on pull rod 9 again Turn, and then push rear pattern plate 3 towards the mobile distance to a declared goal of front template 1, realizes mode locking.

Ejection process is as follows:

The motor 401 of hydraulic power unit 4 on moving template 2 starts, and motor 401 drives gear pump 404 will be in fuel tank 403 Hydraulic oil be conveyed to ejection cylinder 501, ejection cylinder 501 drives liftout plate mobile, and then realizes ejection movement.

In the description of this specification, the description of reference term " preferred embodiment ", " optional embodiment " etc. Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained in the utility model at least In one embodiment or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical implementation Example or example.Moreover, particular features, structures, materials, or characteristics described can in any one or more embodiments or It can be combined in any suitable manner in example.

Above embodiments only are used to illustrate the detailed protocol of the utility model, and the utility model is not limited to above-mentioned detailed Scheme does not mean that the utility model must rely on above-mentioned detailed protocol and could implement.Person of ordinary skill in the field It will be clearly understood that any improvement to the utility model, equivalence replacement and auxiliary element to each raw material of the utility model product Addition, selection of concrete mode etc., all fall within the protection scope of the utility model and the open scope.

Claims (10)

1. a kind of clamping, including front template, moving template and rear pattern plate, the moving template is movably disposed at the preceding mould Between plate and the rear pattern plate, which is characterized in that it is provided with hydraulic power unit on the moving template and the rear pattern plate, if It is connected in the ejection cylinder of the hydraulic power unit and ejection assembly on the moving template, the ejection assembly is arranged in institute It states on moving template, the hydraulic power unit on the rear pattern plate is connect with die cylinder and mode locking actuator, described Hydraulic power unit is the ejection cylinder, the die cylinder and the mode locking actuator provide hydraulic power.

2. clamping according to claim 1, which is characterized in that the hydraulic power unit includes being assembled into one Motor, connecting box, fuel tank and gear pump, the opposite two sides of the connecting box are detachably connected the motor and the oil respectively Case, the gear pump are detachably arranged in the fuel tank, and the motor is connected with the gear pump transmission, the gear pump Inlet port is connected in the fuel tank, and the oil outlet connection of the gear pump is located at the oil discharging seat outside the fuel tank, the oil discharging seat It is equipped with reversal valve, connects for the first fuel-displaced hydraulic fluid port and for the second hydraulic fluid port of oil return, first hydraulic fluid port and the second hydraulic fluid port It is connected to oil pipe, one end far from the oil discharging seat of the oil pipe can connect the ejection cylinder, the die cylinder and described Mode locking actuator.

3. clamping according to claim 2, which is characterized in that the hydraulic power on the rear pattern plate is arranged in The oil discharging seat of unit connects transfer box by the oil pipe, and the transfer box passes through oil pipe respectively and connects the die cylinder With the mode locking actuator.

4. clamping according to claim 2, which is characterized in that the fuel tank is aluminium alloy fuel tank；And/or it is described The lateral surface of fuel tank is provided with radiator.

5. clamping according to claim 1, which is characterized in that be arranged between the rear pattern plate and the moving template and connect Bar assembly, the link assembly connect the die cylinder and the moving template, the company under the driving of the die cylinder Bar assembly can drive the moving template to move linearly.

6. clamping according to claim 5, which is characterized in that the rear pattern plate includes rear pattern plate ontology, after described Two mounting bases are arranged close to the side interval of the moving template in stencil body, are equipped with long hole, the long hole in the mounting base Length along the moving template moving direction extend；

The link assembly includes first connecting rod, distance rod, second connecting rod and third connecting rod, and the both ends of the first connecting rod pass through First guide rod is slidably arranged in the long hole, and the first connecting rod moves linearly in the long hole but do not depart from described Long hole, the opposite two sides of the first connecting rod are respectively articulated with the distance rod, and the distance rod is far from the first connecting rod The hinged second connecting rod in one end middle part, one end of the second connecting rod and rear pattern plate are hinged, the other end and third connecting rod End it is hinged, the one end of the third connecting rod far from the second connecting rod and the moving template are hinged.

7. clamping according to claim 2, which is characterized in that it further include pull rod, one end of the pull rod and preceding mould Plate is fixedly connected, and the other end passes through the moving template and is screwed on the adjustment nut screw thread being arranged on the rear pattern plate, after described The installation cavity for accommodating the adjustment nut is provided in template, the restricted adjustment nut is arranged in the opening of the installation cavity Mobile gland, the adjustment nut partially pass through the gland and extend to that the installation cavity is outer to be fixedly connected with nut gear, Molding gear, the nut gear and the tune are can be rotatably set away from the side of the moving template in the rear pattern plate Mould gear wheel engagement, the mode locking actuator be hydraulic motor, the molding gear with the defeated of the hydraulic motor is set The motor gear of outlet engages.

8. clamping according to claim 7, which is characterized in that the molding gear has mounting hole, the peace It fills and is equipped with guide groove on the inner wall in hole, annular is fixed at least three fixed columns on the rear pattern plate, can turn in the fixed column It is provided with guide wheel dynamicly, the guide wheel and the guide groove, which roll, to be connected.

9. clamping according to any one of claims 1 to 8, which is characterized in that described on the rear pattern plate The capacity of the fuel tank of hydraulic power unit is greater than the capacity of the fuel tank for the hydraulic power unit being located on the moving template.

10. a kind of injection molding machine, which is characterized in that including clamping as described in any one of claim 1 to 9.