CN102632604A - Thermoforming machine - Google Patents
Thermoforming machine Download PDFInfo
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- CN102632604A CN102632604A CN2012101127566A CN201210112756A CN102632604A CN 102632604 A CN102632604 A CN 102632604A CN 2012101127566 A CN2012101127566 A CN 2012101127566A CN 201210112756 A CN201210112756 A CN 201210112756A CN 102632604 A CN102632604 A CN 102632604A
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Abstract
The invention relates to a thermoforming machine which comprises a stand, a stand column, a guide sleeve, an upper die base, an upper mould, a lower mould, a lifting driving device, an overturning driving device and a programmable logic controller (PLC) control unit, wherein the stand column is vertically arranged on the stand; the upper die base is fixedly arranged at the upper end of the stand column; the upper mould is arranged on the upper die base; the guide sleeve can be arranged on the stand column in a way of sliding up and down, and is arranged under the upper die base; the lower mould is rotatablely arranged on the guide sleeve by a rotating shaft; the lower mould is provided with at least one working surface; the working surface of the lower mould is matched with the upper mould in a way of die assembly or die sinking; the lifting driving device is arranged on the stand, and is connected with the rotating shaft of the lower mould in a transmission way; the overturning driving device is arranged on the guide sleeve, and is connected with a rotating shaft of the upper mould in a transmission way; and a signal output end of the PLC control unit is respectively and electrically connected with the lifting driving device and the overturning driving device. The thermoforming machine leads plastic products to automatically demould when the lower mould descends, so that the structure is simple, and the production efficiency is high.
Description
Technical field
The present invention relates to a kind of thermoforming machine that is used to make various plastic products.
Background technology
Thermoforming machine is a common equipment of making various plastic products, and for example, plastic packaging containers such as plastic cup, vinyl disc, plastic casing are normally made by thermoforming machine.
The frame of existing thermoforming machine generally is provided with four root posts, and the upper end of column is installed with upper bolster, and upper bolster is provided with mold; The bed die of existing thermoforming machine generally can slide up and down to be installed on the column through guide pin bushing, and bed die cooperates with mold matched moulds or die sinking through the driving of lifting drive.
When lifting drive drive that bed die rises and with the mold matched moulds after, blank sheet is made after through operations such as thermoforming, side cuts becomes plastic products; Then, lifting drive drives bed die decline and separates with mold; Then, through the air blowing release unit plastic products are blown out from bed die again, so that the carrying out of operations such as matched moulds, thermoforming, side cut next time.
Because existing thermoforming machine need blow out plastic products through the air blowing release unit from bed die, so there are shortcomings such as complex structure, production efficiency are low in existing thermoforming machine.
Summary of the invention
Technical problem to be solved by this invention provides and a kind ofly need not to adopt the air blowing release unit just can make plastic products break away from the thermoforming machine of bed die automatically, thereby the structure of this thermoforming machine is become simply, has also improved the production efficiency of this thermoforming machine.
In order to solve the problems of the technologies described above, the technical scheme that the present invention adopts is following:
A kind of thermoforming machine is characterized in that: comprise frame, column, guide pin bushing, upper bolster, mold, bed die, lifting drive, overturning drive device and PLC control module, above-mentioned column is located on the frame vertically; Upper bolster is fixedly mounted on the upper end of column, and mold is located on the upper bolster; Above-mentioned guide pin bushing can slide up and down to be installed on the column, and guide pin bushing is positioned at the below of upper bolster; Bed die is located on the guide pin bushing through rotating shaft rotationally, and bed die is provided with at least one working face, and the working face of bed die cooperates with mold matched moulds or die sinking; Above-mentioned lifting drive is located on the frame, and the rotating shaft of lifting drive and bed die is in transmission connection; Above-mentioned overturning drive device is located on the guide pin bushing, and the rotating shaft of overturning drive device and mold is in transmission connection; The signal output part of above-mentioned PLC control module is electrically connected with lifting drive, overturning drive device respectively.
When lifting drive drives the bed die rising through rotating shaft; Bed die upwards slides along column through guide pin bushing; Up to the working face of bed die and the mold matched moulds on the upper bolster, because the working face of bed die is provided with parts such as forming cavity, so; Behind bed die and the mold matched moulds, this thermoforming machine just can carry out operations such as the thermoforming, side cut of blank sheet;
Accomplish when blank sheet after the operations such as thermoforming, side cut, lifting drive drives bed die through rotating shaft and descends, bed die pass through guide pin bushing along column to lower slider, thereby the working face of bed die and mold on the upper bolster are separated;
In the process that bed die descends; Overturning drive device drives through rotating shaft that bed die is just changeing or anti-three-sixth turn, thereby makes the plastic products on the bed die break away from bed die automatically, so that the carrying out of operations such as matched moulds, thermoforming, side cut next time; Like this; This thermoforming machine need not to adopt the air blowing release unit just can make plastic products break away from bed die automatically, therefore, and this thermoforming machine simple in structure;
And; This thermoforming machine is to carry out the plastic products demoulding in the process that bed die descends; That is to say that the demoulding of plastic products and the decline of bed die are under the control of PLC control module, to carry out synchronously, carry out the needed time separately thereby saved in the prior art plastic products demoulding operation; Therefore, the production efficiency of this thermoforming machine is high.
As a kind of preferred structure of the present invention, said bed die is provided with two working faces, and above-mentioned two working faces are symmetrical set with respect to the rotating shaft of bed die.
Because bed die is provided with two working faces; Above-mentioned two working faces are symmetrical set with respect to the rotating shaft of bed die; So the bed die of this thermoforming machine only needs forward or reverse 180 degree, just can make plastic products break away from bed die automatically; Carry out the needed time synchronously thereby further shortened the decline of plastic products demoulding and bed die, further improved production efficiency;
And; Behind bed die forward or reverse 180 degree; A working face of bed die is corresponding with mold, and another working face of bed die is in the plastic products disengaging state of film tool down that makes, so; The time of plastic products demoulding can comprise that also bed die rises and the time required with the mold matched moulds on the bed die; Like this, descend at bed die, bed die forward or reverse 180 degree, bed die rises and with the process of mold matched moulds in, this thermoforming machine all can carry out the plastic products demoulding; Therefore; The closure pressing speed of the bed die decrease speed of this thermoforming machine, forward or reverse speed, the bed die rate of climb and bed die and mold can design very highly, so just can make the overall operation speed of this thermoforming machine obtain improving widely, thereby has further improved the production efficiency of this thermoforming machine.
When bed die was provided with two working faces, two working faces and is symmetrical set with respect to the rotating shaft of bed die, the bed die of this thermoforming machine also can forward or reverse 360 degree, thereby realized the demoulding of plastic products.
As another kind of preferred structure of the present invention, said bed die is provided with four working faces, and above-mentioned four working faces are symmetrical set with respect to the rotating shaft of bed die.
When bed die was provided with four working faces, four working faces and is symmetrical set with respect to the rotating shaft of bed die, the bed die of this thermoforming machine is positive and negative to be turn 90 degrees, 180 degree or 360 degree, also can realize the demoulding of plastic products.
As a kind of preferred structure of overturning drive device among the present invention, said overturning drive device adopts servomotor, and the fuselage of above-mentioned servomotor is fixedly mounted on the guide pin bushing, and the rotating shaft of above-mentioned servomotor and bed die is in transmission connection; Above-mentioned servomotor is electrically connected with the signal input part of PLC control module.
Under the control of PLC control module, servomotor drives positive and negative turnback of bed die or 360 degree through rotating shaft.
As the another kind of preferred structure of overturning drive device among the present invention, said overturning drive device adopts rotary cylinder, and the cylinder machine of above-mentioned rotary cylinder is fixedly mounted on the guide pin bushing, and the rotating shaft of above-mentioned rotary cylinder and bed die is in transmission connection; Above-mentioned rotary cylinder is electrically connected with the signal input part of PLC control module.
Under the control of PLC control module, rotary cylinder drives positive and negative turnback of bed die or 360 degree through rotating shaft.
Preferred structure as lifting drive among the present invention; Said lifting drive comprises up-down actuating unit and elevating drive mechanism; Above-mentioned up-down actuating unit and elevating drive mechanism are located at respectively on the frame, and above-mentioned up-down actuating unit is in transmission connection through the rotating shaft of elevating drive mechanism and bed die; Above-mentioned up-down actuating unit is electrically connected with the signal input part of PLC control module.
Under the control of PLC control module, the up-down actuating unit drives bed die through elevating drive mechanism and rotating shaft and rises or descend, and like this, bed die just slides along column through guide pin bushing up or down.
As a kind of preferred structure of up-down actuating unit among the present invention, said up-down actuating unit adopts hydraulic jack, and the cylinder body of above-mentioned hydraulic jack is located on the frame, and the piston rod and the elevating drive mechanism of above-mentioned hydraulic jack are in transmission connection; Above-mentioned hydraulic jack is electrically connected with the signal input part of PLC control module.
Another kind of preferred structure as up-down actuating unit among the present invention; Said up-down actuating unit comprises cam motor and cam mechanism; Above-mentioned cam mechanism comprises cam and driven member; Above-mentioned cam motor and cam are installed in respectively on the frame, and above-mentioned cam motor is connected with cam drive, and above-mentioned cam motor is electrically connected with the signal input part of PLC control module; One end of above-mentioned driven member is connected with cam drive, and the other end and the elevating drive mechanism of above-mentioned driven member are in transmission connection.
As the preferred structure of elevating drive mechanism among the present invention, said elevating drive mechanism comprises first side link, second side link, middle brace rod and drive rod; The lower end of the lower end of above-mentioned first side link and second side link is hinged with frame respectively; The upper end of the upper end of above-mentioned first side link and second side link is hinged with the two ends of middle brace rod respectively, and above-mentioned first side link, second side link, middle brace rod and frame constitute a quadric chain; The upper end of above-mentioned first side link and up-down actuating unit are in transmission connection; The upper end of the lower end of above-mentioned drive rod and second side link is in transmission connection, and the upper end of above-mentioned drive rod and the rotating shaft of bed die are in transmission connection.
When elevating drive mechanism drives the upper end of first side link; First side link just can rotate around the hinged end of itself and frame, and simultaneously, the upper end of first side link drives the upper end of second side link through middle brace rod; Second side link is rotated around the hinged end of itself and frame; Meanwhile, rise or descend through the rotating shaft that drive rod drives bed die in the upper end of second side link, like this; Bed die just slides along column through guide pin bushing up or down, thereby makes the working face of bed die and mold matched moulds or die sinking on the upper bolster.
Above-mentioned PLC control module is a prior art, does not just remake further introduction at this.
The present invention's beneficial effect against existing technologies is:
Because the guide pin bushing of this thermoforming machine can slide up and down to be installed on the column; The bed die of this thermoforming machine is located on the guide pin bushing through rotating shaft rotationally; Bed die is provided with at least one working face; The working face of bed die cooperates with mold matched moulds or die sinking, and the rotating shaft of bed die is in transmission connection with lifting drive and overturning drive device respectively; So through falling the driving of drive unit, the bed die of this thermoforming machine can slide up and down and realize to rise or decline along column, thereby makes the working face of bed die and mold matched moulds or die sinking on the upper bolster; Simultaneously, through the driving of overturning drive device, the bed die of this thermoforming machine can be spent by forward or reverse 360; And; This thermoforming machine can make bed die forward or reverse 360 degree in the process that bed die descends, thereby makes plastic products break away from bed die automatically, has saved in the prior art plastic products demoulding operation and has carried out the needed time separately; Like this; This thermoforming machine need not to adopt the air blowing release unit just can make plastic products automatic demoulding in the process that bed die descends, therefore, this thermoforming machine simple in structure, production efficiency is high.
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is done further detailed description.
Description of drawings
Fig. 1 is the front view of the preferred embodiment of the present invention 1 when bed die and mold die sinking;
Fig. 2 is the lateral plan of the preferred embodiment of the present invention 1 when bed die and mold die sinking;
Fig. 3 is the front view of the preferred embodiment of the present invention 1 when bed die and mold matched moulds;
Fig. 4 is the lateral plan of the preferred embodiment of the present invention 1 when bed die and mold matched moulds;
Fig. 5 is the lateral plan when bed die and mold die sinking in the preferred embodiment of the present invention 2.
The specific embodiment
Embodiment 1
To shown in Figure 4, the thermoforming machine in this preferred embodiment comprises frame 1, column 2, guide pin bushing 3, upper bolster 4, mold 5, bed die 6, lifting drive, overturning drive device and PLC control module 7 like Fig. 1;
Above-mentioned column 2 has four, and above-mentioned column 2 is located on the frame 1 vertically;
Above-mentioned guide pin bushing 3 can slide up and down to be installed on the column 2, and guide pin bushing 3 is positioned at the below of upper bolster 4;
Above-mentioned bed die 6 is cuboid; Above-mentioned bed die 6 is located on the guide pin bushing 3 through rotating shaft 60 rotationally; Bed die 6 is provided with two working faces 61,62, and above-mentioned two working faces 61,62 are symmetrical set with respect to the rotating shaft 60 of bed die 6, and the working face 61 of bed die 6 is provided with forming cavity 63 parts such as grade; The working face 62 of bed die 6 is provided with forming cavity 64 parts such as grade, and the working face 61 of bed die 6 or 62 can cooperate with mold 5 matched moulds or the die sinking on the upper bolster 4;
Above-mentioned lifting drive comprises up-down actuating unit and elevating drive mechanism, and above-mentioned up-down actuating unit adopts hydraulic jack 80, and above-mentioned elevating drive mechanism comprises first side link 81, second side link 82, middle brace rod 83 and drive rod 8; The cylinder body of above-mentioned hydraulic jack 80 is located on the frame 1, and above-mentioned hydraulic jack 80 is electrically connected with the signal input part of PLC control module 7; The lower end D of the lower end A of above-mentioned first side link 81 and second side link 82 is hinged with frame 1 respectively; The upper end C of the upper end B of above-mentioned first side link 81 and second side link 82 is hinged with the two ends of middle brace rod 83 respectively, and above-mentioned first side link 81, second side link 82, middle brace rod 83 and frame 1 constitute a quadric chain; The piston rod of the upper end of above-mentioned first side link 81 and hydraulic jack 80 is in transmission connection; The upper end of the lower end of above-mentioned drive rod 8 and second side link 82 is in transmission connection, and the rotating shaft 60 of the upper end of above-mentioned drive rod 8 and bed die 6 is in transmission connection; Like this, lifting drive just is located on the frame 1, and lifting drive is just realized being in transmission connection with the rotating shaft of bed die 6 60, and lifting drive is also realized being electrically connected with the signal output part of PLC control module 7;
Above-mentioned overturning drive device adopts servomotor 9, and the fuselage of servomotor 9 is fixedly mounted on the guide pin bushing 3, and servomotor 9 is in transmission connection with the rotating shaft 60 of bed die 6; Above-mentioned servomotor 9 is electrically connected with the signal input part of PLC control module 7.
When the piston rod of hydraulic jack 80 drives the upper end B of first side link 81; First side link 81 just can rotate around the hinged end A of itself and frame 1, and simultaneously, the upper end B of first side link 81 drives the upper end C of second side link 82 through middle brace rod 83; Second side link 82 is rotated around the hinged end D of itself and frame 1; Meanwhile, the upper end C of second side link 82 rises or descends through the rotating shaft 60 that drive rod 8 drives bed die 6, like this; Bed die 6 just slides along column 2 through guide pin bushing 3 up or down, thereby makes the working face 61 of bed die 6 and mold matched moulds or the die sinking on the upper bolster 5;
When lifting drive drives bed die 6 risings through rotating shaft 60; Bed die 6 upwards slides along column 2 through guide pin bushing 3; Up to the working face 61 of bed die 6 and mold 5 matched moulds on the upper bolster 4, because the working face 61 of bed die 6 is provided with forming cavity 63 parts such as grade, so; Behind bed die 6 and two molds 5 matched moulds, this thermoforming machine just can carry out operations such as the thermoforming, side cut of blank sheet;
Accomplish when blank sheet after the operations such as thermoforming, side cut, lifting drive drives bed dies 6 through rotating shaft 60 and descends, bed die 6 through guide pin bushing 3 along column 2 to lower slider, thereby the working face 61 of bed die 6 and the mold on the upper bolster 4 were opened in 5 minutes;
In the process that bed die 6 descends; Overturning drive device is that servomotor 9 drives bed die 6 forward or reverse 180 degree through rotating shaft 60; Thereby make bed die 6 working face 62 can with mold 5 matched moulds on the upper bolster 4; Simultaneously, also make the plastic products on the bed die 6 can break away from bed die 6 automatically, so that the carrying out of operations such as matched moulds, thermoforming, side cut next time;
Above-mentioned up-down actuating unit is that hydraulic jack 80, overturning drive device are the control of servomotor 9 by PLC control module 7; Thereby the operation such as thermoforming, side cut, the demoulding of this thermoforming machine can be carried out continuously, improved the production efficiency of this thermoforming machine;
Above-mentioned PLC control module 7 is a prior art, does not just remake further introduction at this.
As shown in Figure 5; Up-down actuating unit among the embodiment 2 comprises cam motor 10 and cam mechanism; Above-mentioned cam mechanism comprises cam 11 and driven member 12; Above-mentioned cam motor 10 is installed in respectively on the frame 1 with cam 11, and above-mentioned cam motor 10 is in transmission connection with cam 11, and above-mentioned cam motor 10 is electrically connected with the signal input part of PLC control module 7; One end and the cam 11 of above-mentioned driven member 12 are in transmission connection, and the upper end B of first side link 81 is in transmission connection in the other end of above-mentioned driven member 12 and the elevating drive mechanism;
Overturning drive device among the embodiment 2 adopts rotary cylinder 90, and the cylinder machine of above-mentioned rotary cylinder 90 is fixedly mounted on the guide pin bushing 3, and above-mentioned rotary cylinder 90 is in transmission connection with the rotating shaft 60 of bed die 6; Above-mentioned rotary cylinder 90 is electrically connected with the signal input part of PLC control module 7.
The operation principle of the operation principle of embodiment 2 and embodiment 1 is basic identical, does not just remake further introduction at this.
Claims (9)
1. thermoforming machine, it is characterized in that: comprise frame, column, guide pin bushing, upper bolster, mold, bed die, lifting drive, overturning drive device and PLC control module, above-mentioned column is located on the frame vertically; Upper bolster is fixedly mounted on the upper end of column, and mold is located on the upper bolster; Above-mentioned guide pin bushing can slide up and down to be installed on the column, and guide pin bushing is positioned at the below of upper bolster; Bed die is located on the guide pin bushing through rotating shaft rotationally, and bed die is provided with at least one working face, and the working face of bed die cooperates with mold matched moulds or die sinking; Above-mentioned lifting drive is located on the frame, and the rotating shaft of lifting drive and bed die is in transmission connection; Above-mentioned overturning drive device is located on the guide pin bushing, and the rotating shaft of overturning drive device and mold is in transmission connection; The signal output part of above-mentioned PLC control module is electrically connected with lifting drive, overturning drive device respectively.
2. according to the described thermoforming machine of claim 1, it is characterized in that: said bed die is provided with two working faces, and above-mentioned two working faces are symmetrical set with respect to the rotating shaft of bed die.
3. according to the described thermoforming machine of claim 1, it is characterized in that: said bed die is provided with four working faces, and above-mentioned four working faces are symmetrical set with respect to the rotating shaft of bed die.
4. according to the described thermoforming machine of claim 1, it is characterized in that: said overturning drive device adopts servomotor, and the fuselage of above-mentioned servomotor is fixedly mounted on the guide pin bushing, and the rotating shaft of above-mentioned servomotor and bed die is in transmission connection; Above-mentioned servomotor is electrically connected with the signal input part of PLC control module.
5. according to the described thermoforming machine of claim 1, it is characterized in that: said overturning drive device adopts rotary cylinder, and the cylinder machine of above-mentioned rotary cylinder is fixedly mounted on the guide pin bushing, and the rotating shaft of above-mentioned rotary cylinder and bed die is in transmission connection; Above-mentioned rotary cylinder is electrically connected with the signal input part of PLC control module.
6. according to the described thermoforming machine of claim 1; It is characterized in that: said lifting drive comprises up-down actuating unit and elevating drive mechanism; Above-mentioned up-down actuating unit and elevating drive mechanism are located at respectively on the frame, and above-mentioned up-down actuating unit is in transmission connection through the rotating shaft of elevating drive mechanism and bed die; Above-mentioned up-down actuating unit is electrically connected with the signal input part of PLC control module.
7. according to the described thermoforming machine of claim 6, it is characterized in that: said up-down actuating unit adopts hydraulic jack, and the cylinder body of above-mentioned hydraulic jack is located on the frame, and the piston rod and the elevating drive mechanism of above-mentioned hydraulic jack are in transmission connection; Above-mentioned hydraulic jack is electrically connected with the signal input part of PLC control module.
8. according to the described thermoforming machine of claim 6; It is characterized in that: said up-down actuating unit comprises cam motor and cam mechanism; Above-mentioned cam mechanism comprises cam and driven member; Above-mentioned cam motor and cam are installed in respectively on the frame, and above-mentioned cam motor is connected with cam drive, and above-mentioned cam motor is electrically connected with the signal input part of PLC control module; One end of above-mentioned driven member is connected with cam drive, and the other end and the elevating drive mechanism of above-mentioned driven member are in transmission connection.
9. according to the described thermoforming machine of claim 6, it is characterized in that: said elevating drive mechanism comprises first side link, second side link, middle brace rod and drive rod; The lower end of the lower end of above-mentioned first side link and second side link is hinged with frame respectively; The upper end of the upper end of above-mentioned first side link and second side link is hinged with the two ends of middle brace rod respectively, and above-mentioned first side link, second side link, middle brace rod and frame constitute a quadric chain; The upper end of above-mentioned first side link and up-down actuating unit are in transmission connection; The upper end of the lower end of above-mentioned drive rod and second side link is in transmission connection, and the upper end of above-mentioned drive rod and the rotating shaft of bed die are in transmission connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210112756.6A CN102632604B (en) | 2012-04-14 | 2012-04-14 | Thermoforming machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210112756.6A CN102632604B (en) | 2012-04-14 | 2012-04-14 | Thermoforming machine |
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| CN102632604A true CN102632604A (en) | 2012-08-15 |
| CN102632604B CN102632604B (en) | 2014-06-25 |
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| CN201210112756.6A Expired - Fee Related CN102632604B (en) | 2012-04-14 | 2012-04-14 | Thermoforming machine |
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| CN103252454A (en) * | 2013-04-26 | 2013-08-21 | 吴江市液铸液压件铸造有限公司 | Casting molding device |
| CN104085100A (en) * | 2014-06-25 | 2014-10-08 | 汕头大学 | Electrically controlled thermoforming machine for overturning mold |
| CN105964996A (en) * | 2016-06-30 | 2016-09-28 | 新蕾车业无锡有限公司 | Casting device for manufacturing of metal products |
| CN107570603A (en) * | 2017-10-27 | 2018-01-12 | 天津市鑫源泓达科技有限公司 | A kind of mould with timing reminding function |
| CN108274684A (en) * | 2018-01-11 | 2018-07-13 | 中山长健医药包装技术有限公司 | A kind of vertical shoulder-injection machine |
| CN109483858A (en) * | 2018-12-07 | 2019-03-19 | 贵州大学 | A kind of capsule medicine bubble-cap molding machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104085100B (en) * | 2014-06-25 | 2017-03-29 | 汕头大学 | A kind of automatically controlled turning mould thermoforming machine |
| CN105964996A (en) * | 2016-06-30 | 2016-09-28 | 新蕾车业无锡有限公司 | Casting device for manufacturing of metal products |
| CN107570603A (en) * | 2017-10-27 | 2018-01-12 | 天津市鑫源泓达科技有限公司 | A kind of mould with timing reminding function |
| CN108274684A (en) * | 2018-01-11 | 2018-07-13 | 中山长健医药包装技术有限公司 | A kind of vertical shoulder-injection machine |
| CN109483858A (en) * | 2018-12-07 | 2019-03-19 | 贵州大学 | A kind of capsule medicine bubble-cap molding machine |
| CN109483858B (en) * | 2018-12-07 | 2023-11-03 | 贵州大学 | Capsule medicine bubble cap make-up machine |
| CN110653989A (en) * | 2019-11-15 | 2020-01-07 | 耒阳市浩鑫电子有限公司 | Injection molding equipment for data line protection head |
| CN112895245A (en) * | 2021-03-30 | 2021-06-04 | 杭州藤仓橡胶有限公司 | Vulcanization device and vulcanization method for framework and rubber cloth-sandwiched sealing element |
| CN113320069A (en) * | 2021-06-01 | 2021-08-31 | 漳州市圣铭工贸股份有限公司 | Extrusion forming equipment for preparing plastic bottle caps |
| CN113977880A (en) * | 2021-09-23 | 2022-01-28 | 江苏亚宝车业有限公司 | High-efficiency demoulding device for injection molding of automotive upholstery |
| CN113977880B (en) * | 2021-09-23 | 2023-09-15 | 江苏亚宝车业有限公司 | High-efficiency demoulding device for injection molding of automotive interior parts |
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| CN102632604B (en) | 2014-06-25 |
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