CN114274479A - Single-cylinder pre-plastic injection structure of injection blow molding machine - Google Patents
Single-cylinder pre-plastic injection structure of injection blow molding machine Download PDFInfo
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- CN114274479A CN114274479A CN202111635420.3A CN202111635420A CN114274479A CN 114274479 A CN114274479 A CN 114274479A CN 202111635420 A CN202111635420 A CN 202111635420A CN 114274479 A CN114274479 A CN 114274479A
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Abstract
The invention relates to the technical field of injection and blowing machines, in particular to a single-cylinder pre-molding injection structure of an injection and blowing machine, which comprises an injection oil cylinder and an oil motor, wherein the oil motor is fixedly connected with the injection oil cylinder through a flange, a piston rod is telescopically connected in the injection oil cylinder, a transmission shaft is rotatably connected inside the piston rod and movably connected with the output end of the oil motor, a circulating oil path control mechanism is assembled on the surface of the injection oil cylinder, the circulating oil path control mechanism comprises a shell, the shell is fixedly connected with the injection oil cylinder, an oil pressure driving assembly, a circulating oil supply assembly and a distance adjusting assembly are assembled inside the shell, a main oil pipe is fixed outside the shell and connected with the oil inlet end of the oil pressure driving assembly, and the oil outlet end of the oil pressure driving assembly is connected with the oil inlet end of the oil motor through a guide pipe. The invention reduces the power consumption and the use cost, and the reciprocating speed of the piston rod can be well matched with the rotating speed of the oil motor.
Description
Technical Field
The invention relates to the technical field of injection blow molding machines, in particular to a single-cylinder pre-molding injection structure of an injection blow molding machine.
Background
The previous injection blow hollow molding machine pre-molding injection structure mainly adopts an oil motor pre-molding and double-oil cylinder injection structure. The oil circuit series connection of the double-oil-cylinder injection structure is complicated, and the oil leakage probability is increased; in addition, in the process of simultaneously operating the two oil cylinders for a long time, the situation that the oil cylinders on the two sides are out of synchronization in advance and retreat and are relatively strong left and right can occur, and the probability of damaging the piston rod of the injection oil cylinder is increased due to long-time operation. Because the diameter of the threaded connection part of the piston rod is relatively small, the probability of breakage of the piston rod is increased under the condition of relatively strong stress for a long time, and normal production is influenced.
The single-cylinder pre-plastic injection mechanism has the advantages that single-cylinder injection is adopted in the machine injection process, the stress is stable, the oil way is simple, and the service life cycle is prolonged.
To this end, chinese patent publication no: CN203157067U, which discloses a novel injection cylinder device, comprising an injection seat, a dust seal, an injection piston rod, a rolling spline housing, a rolling spline shaft, an injection cylinder assembly, and a motor; the device makes the oil leakage phenomenon stop through setting up two draining mouths to design rolling spline pair and replace the pair rolling friction of changing slip friction into rolling friction, thereby reduce mechanical wear and reduce injection cylinder oil leak probability.
However, the single-cylinder control oil path has a problem that the oil paths of the injection oil cylinder and the oil motor are separated, when the single-cylinder control oil path is used, the oil pump needs to supply oil to the oil motor and the injection oil cylinder respectively through at least two pipelines, the oil supply frequency of the two oil paths needs to be controlled by the electromagnetic valve, so that the electromagnetic valve for controlling the oil path of the injection oil cylinder needs to work repeatedly in the whole injection work, not only the power consumption is increased, but also the probability of failure is increased, and the rotating speed of the oil motor cannot be matched with the reciprocating speed of the piston in the injection oil cylinder.
Therefore, it is highly desirable to design a single-cylinder pre-molding injection structure of an injection blow molding machine to solve the above problems.
Disclosure of Invention
The invention aims to provide a single-cylinder pre-molding injection structure of an injection blow molding machine, which aims to solve the problems that the power consumption is increased, the failure probability is increased and the rotating speed of an oil motor cannot be matched with the reciprocating speed of a piston in an injection oil cylinder in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a single-cylinder pre-plastic injection structure of an injection blow molding machine comprises an injection oil cylinder and an oil motor, wherein the oil motor is fixedly connected with the injection oil cylinder through a flange, a piston rod is telescopically connected in the injection oil cylinder, a transmission shaft is rotatably connected inside the piston rod, the transmission shaft is movably connected with the output end of the oil motor, the surface of the injection oil cylinder is provided with a circulating oil way control mechanism, the circulating oil path control mechanism comprises a shell, the shell is fixedly connected with the injection oil cylinder, an oil pressure driving assembly, a circulating oil supply assembly and a distance adjusting assembly are assembled in the shell, a main oil pipe is fixed outside the shell and is connected with the oil inlet end of the oil pressure driving component, the oil pressure drive assembly oil outlet end is connected with an oil inlet of the oil motor through a guide pipe, the output end of the oil pressure drive assembly is connected with the input end of the circulating oil supply assembly, and the distance adjusting assembly is used for adjusting the position of the oil pressure drive assembly.
Preferably, the outer fixed surface of injection cylinder has the mounting bracket, the one end that the piston rod deviates from the oil motor is fixed with the radial fixed plate of piston rod through the bolt, just the transmission shaft runs through the radial fixed plate of piston rod, the surface of the radial fixed plate of piston rod evenly link up and has seted up logical groove.
Preferably, the output shaft of the oil motor is a spline shaft, and the end of the transmission shaft connected with the output end of the oil motor is provided with a flower groove in a matched manner.
Preferably, the oil pressure drive assembly comprises volute, impeller, guide arm and drive gear group, the inside of volute rotates through the pivot and is connected with the impeller, drive gear group and impeller coaxial coupling, just drive gear group sets up the outside in the volute, one side external surface that the volute deviates from drive gear group is fixed with the guide arm, guide arm and shell expansion joint.
Preferably, the circulating oil supply assembly comprises a driven rack bar, an oil passing box, a spring and a valve plate, wherein through holes for oil outlet are formed in the two side surfaces of the oil passing box in a penetrating manner, oil supply ports are formed in the left end and the right end of the piston rod respectively, and the two through holes on the oil passing box are respectively connected with the two oil supply ports on the piston rod through the guide pipes, the center of the oil passing box is rotationally connected with a driven toothed bar, one end of the driven toothed bar is fixed with a driven gear, the driven gear is meshed with the transmission gear set, the other end of the driven toothed bar is fixed with a valve plate, the outer surface of the driven toothed bar is sleeved with a spring, and two ends of the spring are respectively propped against the oil passing box and the driven gear, the side surface of the oil passing box is fixed with a corrugated pipe, one end of the corrugated pipe, which deviates from the oil passing box, is fixedly connected with the side face of the volute, and the inner cavity of the volute is communicated with the inner cavity of the oil passing box through the corrugated pipe.
Preferably, the transmission gear set is composed of a plurality of driving gears which are coaxially connected, the number of tooth blocks on the periphery of the driving gears is different, and the driving gears are arranged in an increasing mode from left to right according to the number of the tooth blocks.
Preferably, the distance adjusting assembly consists of a screw sleeve and a screw rod, the screw sleeve penetrates through and is fixed on the shell, the screw rod is in threaded connection with the screw sleeve, one end of the screw rod is rotatably connected with the volute, and a hand wheel is fixed at the other end of the screw rod.
Preferably, the valve block comprises a main leaf and two one-way pieces, driven ratch passes through the connecting rod and links to each other with the main leaf, two the one-way piece is installed respectively at the both ends of main leaf, just the main leaf is constituteed into semi-circle with two one-way pieces, the surface of main leaf and one-way piece all offsets with the inner wall of crossing the oil box, the one-way piece rotates through pivot and main leaf and is connected, has cup jointed the torsional spring in the pivot, the both ends of torsional spring respectively with one-way piece and main leaf fixed connection.
Compared with the prior art, the invention has the beneficial effects that: this injection-blow machine single cylinder pre-moulding injection structure reduces consumption and use cost, and the reciprocating speed of piston rod can be fine cooperates with oil motor rotational speed.
Through being equipped with circulation oil circuit control mechanism on injection cylinder, and walk away from the oil pressure drive assembly earlier with the main oil pipe that leads to oil motor from the oil pump, when oil pressure drive oil motor like this, can promote the impeller rotation earlier, make the impeller pass through drive gear set and move driven ratch rotatory, driven ratch drives the valve block and rotates in crossing the oil box, can control two through-holes on crossing the oil box and open and shut in proper order, thereby both ends oil feed in proper order about the control injection cylinder, make the piston rod follow the rotational speed reciprocating motion of oil motor, the use of solenoid valve has been reduced, thereby reach and reduce consumption and use cost, the reciprocating speed of piston rod can be fine carry out the complex effect with oil motor rotational speed.
Drawings
FIG. 1 is a schematic cross-sectional elevation view of the structure of the present invention;
FIG. 2 is a schematic sectional front view illustrating the structure of the control mechanism for the oil circulation path in FIG. 1 according to the present invention;
FIG. 3 is a schematic side view of the scroll casing of FIG. 2 according to the present invention;
FIG. 4 is a schematic side view of the oil filter cartridge of FIG. 2 according to the present invention;
FIG. 5 is an enlarged view of the structure at A in FIG. 4 according to the present invention;
FIG. 6 is a partial side sectional view of the structure of the propeller shaft of FIG. 1 according to the present invention.
In the figure: 1. an injection oil cylinder; 2. a mounting frame; 3. a piston rod; 4. a drive shaft; 5. an oil motor; 6. a piston rod radial fixing plate; 7. a circulating oil path control mechanism; 71. a housing; 72. a volute; 73. an impeller; 74. a guide bar; 75. a drive gear set; 76. a driven rack bar; 77. an oil passing box; 78. a spring; 79. a valve plate; 791. a master slice; 792. a unidirectional sheet; 710. a bellows; 711. sleeving the silk; 712. a screw rod; 8. a main oil pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides an embodiment:
including injection cylinder 1 and oily motor 5, oily motor 5 passes through flange and 1 fixed connection of injection cylinder, the flexible piston rod 3 that is connected with in the injection cylinder 1, the inside of piston rod 3 is rotated and is connected with transmission shaft 4, 4 both ends of transmission shaft all link to each other with piston rod 3 through the bearing, and transmission shaft 4 and oily motor 5's output end swing joint, oily motor 5's output shaft is the integral key shaft, the flower groove has been seted up in the supporting one end that transmission shaft 4 links to each other with oily motor 5 output, as shown in fig. 6, can satisfy when oily motor 5 drive transmission shaft 4 is rotatory like this, transmission shaft 4 also can be along with 3 side-to-side motions of piston rod.
Further, as shown in fig. 1, the outer fixed surface of the injection cylinder 1 has a mounting bracket 2, the mounting bracket 2 can be installed on external equipment, it is avoided that the injection cylinder 1 rotates along with the oil motor 5, the one end of the piston rod 3 deviating from the oil motor 5 is fixed with a piston rod radial fixing plate 6 through a bolt, and the transmission shaft 4 runs through the piston rod radial fixing plate 6, the surface of the piston rod radial fixing plate 6 is uniformly penetrated and provided with a through groove, a guide rod can be installed in the through groove, the guide rod limits the piston rod radial fixing plate 6 to rotate radially, but does not influence the piston rod radial fixing plate 6 to move left and right along with the piston rod 3.
The surface of the injection oil cylinder 1 is provided with a circulating oil path control mechanism 7, the circulating oil path control mechanism 7 comprises a shell 71, the shell 71 is fixedly connected with the injection oil cylinder 1, an oil pressure driving component, a circulating oil supply component and a distance adjusting component are arranged inside the shell 71, a main oil pipe 8 is fixed outside the shell 71, the main oil pipe 8 is connected with the oil inlet end of the oil pressure driving component, the other end of the main oil pipe is used for being communicated with an external oil pump, the oil outlet end of the oil pressure driving component is connected with the oil inlet of the oil motor 5 through a conduit, the output end of the oil pressure driving component is connected with the input end of the circulating oil supply component, the distance adjusting component is used for adjusting the position of the oil pressure driving component, the output end of the oil pump supplies oil to the oil pressure driving component through the main oil pipe 8, so that the oil pressure driving component drives the circulating oil supply component to work, meanwhile, the oil enters the oil motor 5 from the oil outlet end of the oil pressure driving component to drive the oil motor 5 to drive the oil motor, and the oil is discharged into the oil pump for pressurization, and the process is circulated.
Further, as shown in fig. 2-3, the oil pressure driving assembly includes a scroll 72, an impeller 73, a guide rod 74 and a transmission gear set 75, the impeller 73 is rotatably connected to the inside of the scroll 72 through a rotating shaft, the transmission gear set 75 is coaxially connected to the impeller 73, the transmission gear set 75 is disposed outside the scroll 72, oil flows through the scroll 72, and then the impeller 73 is pushed to drive the transmission gear set 75 to rotate, the guide rod 74 is fixed on the outer surface of the scroll 72 on the side away from the transmission gear set 75, the guide rod 74 is telescopically connected to the outer shell 71, and the guide rod 74 can support the scroll 72 without affecting the left and right movement of the scroll 72.
Further, as shown in fig. 2 and 4, the circulating oil supply assembly comprises a driven rack bar 76, an oil passing box 77, a spring 78 and a valve plate 79, wherein through holes for oil outlet are formed through both side surfaces of the oil passing box 77, oil supply ports are respectively formed at the left end and the right end of the piston rod 3, the two through holes on the oil passing box 77 are respectively connected with the two oil supply ports on the piston rod 3 through a guide pipe, the driven rack bar 76 is rotatably connected at the center of the oil passing box 77, a driven gear is fixed at one end of the driven rack bar 76 and meshed with the transmission gear set 75, so that the driven rack bar 76 can rotate along with the transmission gear set 75 through the driven gear, the valve plate 79 is fixed at the other end of the driven rack bar 76, the spring 78 is sleeved on the outer surface of the driven rack bar 76, both ends of the spring 78 respectively abut against the oil passing box 77 and the driven gear, a corrugated pipe 710 is fixed on the side surface of the oil passing box 77, one end of the corrugated pipe 710 departing from the oil passing box 77 is fixedly connected with the side face of the volute 72, the inner cavity of the volute 72 is communicated with the inner cavity of the oil passing box 77 through the corrugated pipe 710, when oil passes through the volute 72, part of the oil can enter the oil passing box 77 through the corrugated pipe 710, and when the valve plate 79 is far away from which oil supply port, which oil supply port is correspondingly opened, so that the oil is supplied to the corresponding end of the injection oil cylinder 1, so long as the valve plate 79 rotates circularly, the two oil supply ports can be sequentially opened and closed in a reciprocating mode, and the piston rod 3 can move in the injection oil cylinder 1 in a reciprocating mode from left to right.
Considering that the piston rod 3 is sent to the external cylinder screw through the transmission shaft 4 to carry out the injection process and needs a certain injection time, and different injection products need different injection times, therefore the transmission of the driven rack bar 76 is subjected to speed reduction and speed change treatment, the transmission gear set 75 is composed of a plurality of driving gears which are coaxially connected, the number of tooth blocks on the peripheries of the driving gears is different, the driving gears are arranged in an increasing mode from left to right according to the number of the tooth blocks per se, the number of the tooth blocks on the driving gears is less, the transmission speed to the driven gears is slower, otherwise, the transmission speed is faster, the diameter of the driven gears is increased, the number of the tooth blocks on the driven gears is increased, the speed can be reduced by matching with the driving gears, otherwise, the speed can be increased, the valve plate 79 has a half-circle movable distance, and sufficient injection time can be achieved.
Then, the oil motor is matched with a distance adjusting assembly for use, the distance adjusting assembly is composed of a screw sleeve 711 and a screw rod 712, the screw sleeve 711 is fixedly penetrated on the shell 71, the screw rod 712 is in threaded connection with the screw sleeve 711, one end of the screw rod 712 is rotatably connected with the volute 72, a hand wheel is fixed at the other end of the screw rod 712, the hand wheel is held to rotate the screw rod 712 to extend and retract in the screw sleeve 711, the position of the volute 72 in the shell 71 can be adjusted, and therefore driving gears and driven gears at different positions are controlled to be meshed, the ratio of the rotating speed of the oil motor 5 to the left and right movement speed of the piston rod 3 can be changed, and the requirement of flexible adjustment according to production requirements is met.
Further, as shown in fig. 4-5, in consideration of the problem that oil is fed into one side of the injection cylinder 1 and oil is discharged from the other side of the injection cylinder 1, the valve plate 79 is designed to be composed of a main plate 791 and two one-way plates 792, the driven rack bar 76 is connected with the main plate 791 through a connecting rod, the two one-way plates 792 are respectively installed at two ends of the main plate 791, the main plate 791 and the two one-way plates 792 are combined into a semicircular shape, the outer surfaces of the main plate 791 and the one-way plates 792 are both abutted against the inner wall of the oil passing box 77, the one-way plates 792 are rotatably connected with the main plate 791 through a rotating shaft, a torsion spring is sleeved on the rotating shaft, two ends of the torsion spring are respectively fixedly connected with the one-way plates 792 and the main plate 791, as shown in fig. 5, the bottom where the main plate 791 is connected with the one-way plate 792 is convex, meaning that the one-way plate 792 can only rotate towards the inner side of the main plate 791, thus forming the effect of the one-way valve, when the oil passing box 77 is opened, the oil on the other side of the injection cylinder 1 can be drained into the oil passing box 77 from another through hole on the oil passing box 77.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. The utility model provides an annotate and blow quick-witted single cylinder and mould injection structure in advance, includes injection cylinder (1) and oil motor (5), oil motor (5) are through flange and injection cylinder (1) fixed connection, its characterized in that: the telescopic connection has a piston rod (3) in the injection oil cylinder (1), the inside rotation of piston rod (3) is connected with transmission shaft (4), just transmission shaft (4) and the output swing joint of oil motor (5), the surface assembly of injection oil cylinder (1) has circulation oil circuit control mechanism (7), circulation oil circuit control mechanism (7) includes shell (71), shell (71) and injection oil cylinder (1) fixed connection, the inside assembly of shell (71) has oil pressure drive subassembly, circulation fuel feeding subassembly and roll adjustment subassembly, the external fixation of shell (71) has main oil pipe (8), main oil pipe (8) links to each other with oil pressure drive subassembly oil inlet end, oil pressure drive subassembly oil outlet end passes through the oil inlet of pipe with oil motor (5) and links to each other, oil pressure drive subassembly output links to each other with circulation fuel feeding subassembly's input, the distance adjusting assembly is used for adjusting the position of the oil pressure driving assembly.
2. The single cylinder pre-molded injection structure of an injection blow molding machine as claimed in claim 1, wherein: the outer fixed surface of injection hydro-cylinder (1) has mounting bracket (2), the one end that piston rod (3) deviates from oily motor (5) is fixed with piston rod radial fixing plate (6) through the bolt, just transmission shaft (4) run through piston rod radial fixing plate (6), the surface of piston rod radial fixing plate (6) evenly link up and has seted up logical groove.
3. The single cylinder pre-molded injection structure of an injection blow molding machine as claimed in claim 1, wherein: the output shaft of the oil motor (5) is a spline shaft, and a flower groove is formed in one end, connected with the output end of the oil motor (5), of the transmission shaft (4) in a matched mode.
4. The single cylinder pre-molded injection structure of an injection blow molding machine as claimed in claim 1, wherein: oil pressure drive assembly comprises volute (72), impeller (73), guide arm (74) and drive gear group (75), the inside of volute (72) is rotated through the pivot and is connected with impeller (73), drive gear group (75) and impeller (73) coaxial coupling, just drive gear group (75) set up in the outside of volute (72), one side external fixation that volute (72) deviates from drive gear group (75) has guide arm (74), guide arm (74) and shell (71) telescopic connection.
5. The single cylinder pre-molded injection structure of an injection blow molding machine as claimed in claim 4, wherein: the circulating oil supply assembly comprises a driven rack bar (76), an oil passing box (77), a spring (78) and valve plates (79), wherein through holes for oil outlet are formed in the surfaces of the two sides of the oil passing box (77), oil supply ports are formed in the left end and the right end of the piston rod (3) respectively, the two through holes in the oil passing box (77) are connected with the two oil supply ports in the piston rod (3) respectively through a guide pipe, the center of the oil passing box (77) is connected with the driven rack bar (76) in a rotating mode, one end of the driven rack bar (76) is fixed with a driven gear, the driven gear is meshed with the transmission gear set (75), the valve plates (79) are fixed to the other end of the driven rack bar (76), the spring (78) is sleeved on the outer surface of the driven rack bar (76), the two ends of the spring (78) are respectively abutted against the oil passing box (77) and the driven gear, and a corrugated pipe (710) is fixed to the side face of the oil passing box (77), one end of the corrugated pipe (710) departing from the oil passing box (77) is fixedly connected with the side face of the volute (72), and the inner cavity of the volute (72) is communicated with the inner cavity of the oil passing box (77) through the corrugated pipe (710).
6. The single cylinder pre-molded injection structure of an injection blow molding machine as claimed in claim 4, wherein: the transmission gear set (75) is composed of a plurality of driving gears which are coaxially connected, the number of tooth blocks on the periphery of the driving gears is different, and the driving gears are arranged in an increasing mode from left to right according to the number of the tooth blocks.
7. The single cylinder pre-molded injection structure of an injection blow molding machine as claimed in claim 4, wherein: the distance adjusting assembly comprises a screw sleeve (711) and a screw rod (712), the screw sleeve (711) penetrates through and is fixed on the shell (71), the screw rod (712) is in threaded connection with the screw sleeve (711), one end of the screw rod (712) is rotatably connected with the volute (72), and a hand wheel is fixed at the other end of the screw rod (712).
8. The single cylinder pre-molded injection structure of an injection blow molding machine as claimed in claim 5, wherein: valve block (79) comprise a main leaf (791) and two one-way piece (792), driven ratch (76) link to each other with main leaf (791) through the connecting rod, two the both ends at main leaf (791) are installed respectively to one-way piece (792), just main leaf (791) and two one-way piece (792) make up into semicircle, the surface of main leaf (791) and one-way piece (792) all offsets with the inner wall of crossing oil box (77), one-way piece (792) rotate through pivot and main leaf (791) and are connected, have cup jointed the torsional spring in the pivot, the both ends of torsional spring respectively with one-way piece (792) and main leaf (791) fixed connection.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111635420.3A CN114274479B (en) | 2021-12-29 | 2021-12-29 | Single-cylinder pre-plastic injection structure of injection blowing machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111635420.3A CN114274479B (en) | 2021-12-29 | 2021-12-29 | Single-cylinder pre-plastic injection structure of injection blowing machine |
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| CN114274479B CN114274479B (en) | 2023-06-06 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103770292A (en) * | 2014-01-21 | 2014-05-07 | 广东正茂精机有限公司 | Injection device of injection molding machine |
| CN104339589A (en) * | 2013-08-09 | 2015-02-11 | 广东正茂精机有限公司 | Linear non-rotary piston injection cylinder structure of injection molding machine |
| CN110206777A (en) * | 2019-06-26 | 2019-09-06 | 浙江台意德塑机制造有限公司 | Single cylinder drive module |
| CN213797941U (en) * | 2020-11-03 | 2021-07-27 | 佛山尊恩科技有限公司 | Injection device of injection machine |
-
2021
- 2021-12-29 CN CN202111635420.3A patent/CN114274479B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104339589A (en) * | 2013-08-09 | 2015-02-11 | 广东正茂精机有限公司 | Linear non-rotary piston injection cylinder structure of injection molding machine |
| CN103770292A (en) * | 2014-01-21 | 2014-05-07 | 广东正茂精机有限公司 | Injection device of injection molding machine |
| CN110206777A (en) * | 2019-06-26 | 2019-09-06 | 浙江台意德塑机制造有限公司 | Single cylinder drive module |
| CN213797941U (en) * | 2020-11-03 | 2021-07-27 | 佛山尊恩科技有限公司 | Injection device of injection machine |
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