CN215882331U - Single-cylinder injection parallel double-color injection platform structure - Google Patents
Single-cylinder injection parallel double-color injection platform structure Download PDFInfo
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- CN215882331U CN215882331U CN202121905128.4U CN202121905128U CN215882331U CN 215882331 U CN215882331 U CN 215882331U CN 202121905128 U CN202121905128 U CN 202121905128U CN 215882331 U CN215882331 U CN 215882331U
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Abstract
The utility model provides a single-cylinder injection parallel double-color injection platform structure which comprises a fixed template, a first injection platform and/or a second injection platform, wherein the first injection platform and the second injection platform respectively comprise an injection moving assembly, a glue melting assembly, a screw assembly, an injection platform front plate, a middle plate plasticizing assembly, an injection platform rear plate and an injection oil cylinder assembly which are arranged on a fixed seat; the screw assembly is positioned in the glue melting assembly, the glue melting assembly is used for melting glue, the screw assembly is used for feeding and injecting the glue, and the injection moving assembly is arranged between the fixed template and the injection platform front plate; the middle plate plasticizing component is positioned between the injection platform front plate and the injection platform rear plate, the injection platform front plate and the injection platform rear plate are both installed on the fixing base, one end of the injection oil cylinder component is fixed on the injection platform rear plate, the output end of the injection oil cylinder component is connected to the middle plate plasticizing component, the injection oil cylinder component acts to enable the middle plate plasticizing component to drive the screw rod component to do linear motion, a transmission mechanism is arranged in the middle plate plasticizing component, and the screw rod component rotates by means of the action of the transmission mechanism.
Description
Technical Field
The utility model relates to the technical field of injection molding equipment, in particular to a parallel double-color injection platform structure for single-cylinder injection.
Background
The existing parallel double-color injection platform mainly adopts a single-cylinder injection structure and has the characteristics of narrow appearance, small volume and convenience for parallel arrangement. The single-cylinder injection structure is mainly divided into two types, namely an injection piston rod rotating single-cylinder axial one-line type injection platform and an injection piston rod internally arranged in the transmission shaft and a non-rotating single-cylinder internally arranged one-line type injection platform, but the single-cylinder injection structure has the following technical problems: the long spline transmits the rotary motion of a plasticizing motor to a glue injection piston rod and then to a plasticizing screw rod, a related sealing element does linear motion and rotary motion, the wear of the related sealing element is easy, the service life is extremely short, oil leakage is easy, and iron powder abraded when the long spline slides linearly directly enters a hydraulic oil system of an injection molding machine, so that elements such as a hydraulic oil valve are damaged, and oil deterioration is accelerated. The single cylinder internally provided with the linear injection platform has the advantages that the influence of loss of a sealing element and abrasion of a long spline is slightly improved, but the injection piston rod needs to be designed to be hollow so as to contain the transmission shaft and the support bearing thereof and is limited by the characteristics of the structure, or the diameters of the transmission shaft and the bearing are not large, the capacity of transmitting torque and bearing injection force is not enough, or the diameter of the injection piston rod needs to be large, and the difficulty of part processing is increased. The transmission shaft supports of the two injection platforms are all sealing elements indirectly acting on the two ends of the injection piston rod and the piston, the guide ring is not enough to provide stable rigid support, the handle part of the screw rod can droop, the screw rod can be shaken and broken during rotation plasticization, and meanwhile, the shaking phenomenon aggravates the loss of the sealing elements.
Therefore, it is necessary to provide a single-cylinder injection parallel dual-injection table structure with less wear of the sealing member and stable support of the transmission shaft.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a single-cylinder injection parallel double-color injection table structure which is not easy to lose a sealing element and has a stably-supported transmission shaft.
In order to achieve the purpose, the utility model provides a single-cylinder injection parallel double-color injection platform structure which comprises a fixed template, a first injection platform and/or a second injection platform, wherein the first injection platform and the second injection platform can penetrate through the fixed template and are positioned in the fixed template so as to inject glue, and the first injection platform and the second injection platform respectively comprise an injection moving assembly, a glue melting assembly, a screw assembly, an injection platform front plate, a middle plate plasticizing assembly, an injection platform rear plate and an injection oil cylinder assembly which are arranged on a fixed seat; the screw assembly is positioned in the glue melting assembly, one end of the glue melting assembly is fixed on the injection platform front plate, the other end of the glue melting assembly is positioned in the fixed template, one end of the screw assembly sequentially penetrates through the glue melting assembly and the injection platform front plate and is connected with the middle plate plasticizing assembly, the other end of the screw assembly penetrates through the fixed template, and the injection moving assembly is arranged between the fixed template and the injection platform front plate; the middle plate plasticizing component is positioned between the injection platform front plate and the injection platform rear plate, the injection platform front plate and the injection platform rear plate are both installed on the fixing base, one end of the injection oil cylinder component is fixed on the injection platform rear plate, the output end of the injection oil cylinder component is connected to the middle plate plasticizing component, the injection oil cylinder component acts to enable the middle plate plasticizing component to drive the screw rod component to move in the first direction, a transmission mechanism is arranged in the middle plate plasticizing component, and the middle plate plasticizing component acts to enable the screw rod component to move in the second direction.
Preferably, a guide rod assembly for guiding is further arranged between the front plate of the injection platform and the rear plate of the injection platform, the middle plate plasticizing assembly is sleeved on the guide rod assembly, and the injection cylinder assembly acts to enable the middle plate plasticizing assembly to slide along the guide rod assembly and drive the screw rod assembly to act.
Preferably, the output end of the injection cylinder assembly is connected with a flange, the flange is mounted on the middle plate plasticizing assembly, and the injection cylinder assembly acts on the flange to enable the middle plate plasticizing assembly to do linear reciprocating motion along the guide rod assembly.
Preferably, the middle plate plasticizing assembly includes a hollow housing, the transmission mechanism is located in the housing, one end of the screw assembly is located in the housing and is in transmission connection with the transmission mechanism, and the transmission mechanism acts to drive the screw assembly to rotate.
Preferably, the transmission mechanism comprises a hydraulic plasticizing motor, a driving gear assembly, an idler gear assembly and a driven gear assembly, wherein the driving gear assembly is arranged at the output end of the hydraulic plasticizing motor, the driven gear assembly is connected to the screw rod assembly, and the idler gear assembly is arranged between the driving gear assembly and the driven gear assembly and is respectively meshed with the driving gear assembly and the driven gear assembly.
Preferably, the screw assembly comprises a transmission shaft connected to the driven gear assembly and a feeding screw located in the glue melting assembly, the transmission shaft is connected to the feeding screw, and the transmission mechanism acts to enable the transmission shaft to drive the feeding screw to rotate in the glue melting assembly so as to realize glue melting.
Preferably, the injection moving assembly comprises at least one connecting oil cylinder, one end of the connecting oil cylinder is fixed on the injection platform front plate, the output end of the connecting oil cylinder is installed on the fixed template, and the connecting oil cylinder acts to drive the first injection platform or the second injection platform to act.
Preferably, the fixed die plate is provided with a first injection platform via hole and a second injection platform via hole, the first injection platform via hole is used for the first injection platform or the second injection platform screw assembly to extend into, and the second injection platform via hole is used for the second injection platform or the first injection platform screw assembly to extend into.
Preferably, the first penetrating station through hole and the second penetrating station through hole are circumferentially provided with a plurality of positioning parts for fixedly connecting the oil cylinders, and the first penetrating station through hole and the second penetrating station through hole can be matched with the first penetrating station or the second penetrating station through the plurality of positioning parts.
Preferably, the injection oil cylinder assembly comprises a glue injection oil cylinder and a glue injection piston rod, one end of the glue injection piston rod is located in the glue injection oil cylinder, the other end of the glue injection piston rod is connected to the middle plate plasticizing assembly, and the area of a rodless cavity for injecting glue and supplying oil in the glue injection oil cylinder is larger than the area of a rod cavity for injecting glue and returning oil.
Compared with the prior art, the single-cylinder injection parallel double-color injection platform structure can be applied to a parallel double-color injection molding machine, realizes double-material double-color injection molding, and can also be applied to a common single-color injection molding machine. The single-cylinder injection parallel double-color injection platform structure comprises a first injection platform and/or a second injection platform, wherein the first injection platform and the second injection platform are basically consistent in structure, but the connection structure of the first injection platform and the second injection platform and a fixed template can be adjusted according to the actual injection molding condition and the installation position condition. The first shooting table or the second shooting table can be arranged according to actual needs, or the first shooting table and the second shooting table can be arranged at the same time. The first injection platform and the second injection platform respectively comprise an injection moving assembly, a glue melting assembly, a screw assembly, an injection platform front plate, a middle plate plasticizing assembly, an injection platform rear plate and an injection oil cylinder assembly which are positioned on the fixed seat. The injection moving assembly is connected between the fixed template and the injection platform front plate and is used for realizing the integral movement of the first injection platform or the second injection platform. The screw rod subassembly is located the melten gel subassembly and one end is connected in medium plate plastify subassembly, and the other end is located the fixed die plate. The melt adhesive component is used for heating and melting injection molding raw materials. The screw rod assembly can be in the rectilinear motion along with medium plate plastify subassembly in the first direction under the effect of injection cylinder subassembly, is provided with drive mechanism in the medium plate plastify subassembly, and the screw rod assembly can move about in the second direction under drive mechanism's effect, and screw rod assembly can be along circumferential direction under drive mechanism's effect promptly. The linear motion of the screw rod assembly is realized through the injection oil cylinder assembly, and the rotary motion of the screw rod assembly is realized through the transmission mechanism, so that the glue injection piston rod of the injection oil cylinder assembly does not need to do linear motion and rotary motion at the same time, the sealing performance is better, the oil is not leaked, and the service life is longer. The single-cylinder injection parallel double-color injection platform structure is compact in structure, small in size, parts are easier to process and install, the double injection platforms can be conveniently arranged in parallel, the first injection platform and the second injection platform can be exchanged in installation positions according to actual requirements, the first injection platform and the second injection platform are respectively positioned on the two fixing seats, and the single-cylinder injection parallel double-color injection platform structure is modularized in design and is more convenient to disassemble and assemble. In addition, the injection oil cylinder assembly and the screw assembly are on the same axis, the condition that the screw is broken due to unbalanced load thrust cannot be generated, the sealing element of the rubber injection piston rod only moves linearly and does not rotate, the sealing performance is good, oil is not leaked, and the service life is long.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a single-cylinder injection parallel two-color injection platform structure according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of the single-cylinder injection parallel two-color injection stage structure of fig. 1.
Fig. 3 is an enlarged view at a in fig. 2.
Fig. 4 is a top view of fig. 1.
Fig. 5 is a cross-sectional view of the first shooting stage of fig. 1.
Fig. 6 is a cross-sectional view of the transmission mechanism of fig. 1.
Description of reference numerals:
100. a single-cylinder injection parallel double-color injection platform structure;
10. fixing a template; 11. a first shooting table via hole; 12. a second shooting table via hole; 13. a positioning part;
20. a first shooting table; 30. a second shooting table; 31. a glue melting assembly; 32. a screw assembly; 321. a drive shaft; 322. a feed screw; 323. a connecting assembly; 33. a shooting and moving assembly; 34. a front plate of the injection platform; 35. a middle plate plasticizing component; 351. a housing; 352. a flange; 36. a transmission mechanism; 361. a hydraulic plasticizing motor; 362. a drive gear assembly; 363. an idler assembly; 364. a driven gear assembly; 37. a guide bar assembly; 38. a shooting table back plate; 39. an injection cylinder assembly; 391. a glue injection piston rod; 392. a glue injection oil cylinder;
40. a fixed seat; 41. a guide rail assembly; 42. a proximity switch; 43. and a limiting component.
Detailed Description
In order to explain technical contents and structural features of the present invention in detail, the following description is made with reference to the embodiments and the accompanying drawings.
Referring to fig. 1 and 2, the present invention provides a single-cylinder injection parallel dual-color injection table structure 100, which can be applied to a parallel dual-color injection molding machine to realize dual-material dual-color injection molding; it can also be used in common single-color injection molding machine. The single-cylinder injection parallel double-injection-table structure 100 comprises a fixed mold plate 10 and a first injection table 20 and/or a second injection table 30. The first injection platform 20, the second injection platform 30 or both the first injection platform 20 and the second injection platform 30 can be arranged according to actual production needs. The installation positions of the first injection platform 20 and the second injection platform 30 relative to the fixed die plate 10 can be adjusted and exchanged according to actual needs. The first injection station 20 and the second injection station 30 can penetrate through the fixed mold plate 10 and are positioned in the fixed mold plate 10 for injecting glue. Specifically, the first injection platform 20 and the second injection platform 30 each include a fixed seat 40, an injection moving assembly 33, a glue melting assembly 31, a screw assembly 32, an injection platform front plate 34, a middle plate plasticizing assembly 35, an injection platform rear plate 38 and an injection cylinder assembly 39. First penetrate each part on platform 20 and the second penetrate platform 30 and set up respectively on different fixing bases 40, be convenient for penetrate the holistic modular design of platform to can be better carry out the dismouting, the suitability is stronger.
Referring to fig. 1 and 2, in some alternative embodiments, screw assembly 32 is located within glue assembly 31, and glue assembly 31 is secured at one end to injection stage front plate 34 and at the other end to stationary platen 10. One end of the screw assembly 32 sequentially penetrates through the glue melting assembly 31 and the injection platform front plate 34 and is connected to the middle plate plasticizing assembly 35, and the other end of the screw assembly 32 sequentially penetrates through the glue melting assembly 31 and the fixed die plate 10 so as to spray molten plastic raw materials in a die cavity, thereby realizing injection molding. The injection moving assembly 33 is installed between the fixed mold plate 10 and the injection table front plate 34, and can drive the first injection table 20 or the second injection table 30 to integrally move. The middle plate plasticizing assembly 35 is located between the injection platform front plate 34 and the injection platform rear plate 38, and the injection platform front plate 34 and the injection platform rear plate 38 are both installed on the fixing seat 40. One end of the injection cylinder assembly 39 is fixed on the injection table back plate 38, and the output end of the injection cylinder assembly 39 is connected to the middle plate plasticizing assembly 35, and the injection cylinder assembly 39 acts to make the middle plate plasticizing assembly 35 drive the screw assembly 32 to move in the first direction. The middle plate plasticizing assembly 35 is provided with a transmission mechanism 36, and the screw assembly 32 is moved in the second direction by the action of the transmission mechanism 36. It will be appreciated that the first direction is the forward and backward movement of screw assembly 32 within melt adhesive assembly 31 and the second direction is the rotational movement of screw assembly 32 in the circumferential direction within melt adhesive assembly 31. That is, the linear movement of the screw assembly 32 is achieved by the pushing of the injection cylinder assembly 39, and the circumferential rotation of the screw assembly 32 is achieved by the transmission of the transmission mechanism 36. The glue injection piston rod 391 in the glue injection oil cylinder 392 only moves linearly but not rotationally, so that the processing and the assembly are easier, the sealing element is not easy to wear, and the service life is longer.
Referring to fig. 1, 2, 4 and 5, in some alternative embodiments, the fixing base 40 is provided with a guide rail assembly 41, and the shooting table front plate 34 and the shooting table rear plate 38 are slidably disposed on the guide rail assembly 41. Wherein, still be provided with guide bar subassembly 37 for the direction between penetrating a platform front bezel 34 and penetrating a platform back plate 38, well plate plastify subassembly 35 is located guide bar subassembly 37 and is installed and penetrate between platform front bezel 34 and penetrating a platform back plate 38 on the cover. The injection cylinder assembly 39 acts to slide the mid-plate plasticizing assembly 35 along the guide rod assembly 37 and to move the screw assembly 32. The injection platform front plate 34 and the injection platform rear plate 38 are connected by a guide rod assembly 37, and the guide rod assembly 37 comprises at least two guide rods, so that the injection platform front plate 34, the injection platform rear plate 38 and the guide rod assembly 37 form a stable frame structure. The guide rod assembly 37 can bear the pressure of glue injection and can also be used for conveniently adjusting the middle plate plasticizing assembly 35. The middle plate plasticizing assembly 35 operates to slide back and forth on the guide rod assembly 37. Compared with a conventional injection molding machine, the middle plate plasticizing component 35 has less supporting constraint, is convenient to process and assemble, and simultaneously reduces friction force.
On the other hand, the injection moving assembly 33 includes at least one connecting cylinder, one end of the connecting cylinder is fixed on the injection platform front plate 34, the output end of the connecting cylinder is installed on the fixed mold plate 10, and the connecting cylinder acts to drive the first injection platform 20 or the second injection platform 30 to slide along the guide rail assembly 41. It can be understood that the injection moving assembly 33 on the first injection platform 20 can drive the first injection platform 20 to slide along its corresponding guide rail assembly 41, and the injection moving assembly 33 on the second injection platform 30 can drive the second injection platform 30 to slide along its corresponding guide rail assembly 41. The first injection platform 20 and the second injection platform 30 can move independently and can independently realize the actions of injection movement, glue injection, glue extraction, glue melting and the like. Specifically, a proximity switch 42 is further arranged at one end of the guide rail assembly 41, a limiting assembly 43 is arranged at the other end of the guide rail assembly 41, the proximity switch 42 and the limiting assembly 43 are arranged to prevent the shooting table front plate 34 and the shooting table rear plate 38 from sliding out of the guide rail assembly 41, and the structure setting is reasonable.
Referring to fig. 1, fig. 2, fig. 5 and fig. 6, in some alternative embodiments, the middle plate plasticizing assembly 35 includes a housing 351 having a hollow structure, the transmission mechanism 36 is located in the housing 351, one end of the screw assembly 32 extends into the housing 351 and is in transmission connection with the transmission mechanism 36, and the transmission mechanism 36 operates to drive the screw assembly 32 to rotate. The transmission mechanism 36 includes a hydraulic plasticizing motor 361, a driving gear assembly 362, an idler gear assembly 363, and a driven gear assembly 364. A drive gear assembly 362 is located at the output of the hydraulic plasticating motor 361, a driven gear assembly 364 is connected to the screw assembly 32, and an idler gear assembly 363 is located between the drive gear assembly 362 and the driven gear assembly 364 and is in driving engagement with the drive gear assembly 362 and the driven gear assembly 364, respectively. On the other hand, the screw assembly 32 comprises a transmission shaft 321 connected to the driven gear assembly 364 and a feeding screw 322 located in the glue melting assembly 31, the transmission shaft 321 is connected to the feeding screw 322, and the transmission mechanism 36 is operated to make the transmission shaft 321 drive the feeding screw 322 to rotate in the glue melting assembly 31 to melt glue. Specifically, a connecting assembly 323 is disposed between the driven gear assembly 364 and the transmission shaft 321, so that the driven gear assembly 364 can drive the transmission shaft 321 to rotate when rotating, and further can drive the feeding screw 322 to rotate in the glue melting assembly 31. It can be understood that, by adopting the single-cylinder injection parallel double-color injection platform structure 100 of the utility model, the central axes of the injection cylinder assembly 39, the middle plate plasticizing assembly 35 and the glue melting assembly 31 can be in the same straight line, compared with a conventional injection molding machine, the central stress of the glue melting assembly 31 is stable, and the condition that parts are cracked due to uneven stress can be effectively prevented.
Referring to fig. 4 and 5, in some alternative embodiments, the injection cylinder assembly 39 includes a shooting glue cylinder 392 and a shooting glue piston rod 391, one end of the shooting glue piston rod 391 is located in the shooting glue cylinder 392, and the other end of the shooting glue piston rod 391 is connected to the middle plate plasticizing assembly 35. I.e., the shooting pot piston rod 391 of the injection cylinder assembly 39 is connected to the flange 352, and the flange 352 is mounted on the mid-plate plasticizing assembly 35. The glue injection cylinder 392 is actuated to cause the glue injection piston rod 391 to act on the flange 352 and push the middle plate plasticizing assembly 35 to reciprocate linearly along the guide rod assembly 37. Specifically, the rubber injection cylinder 392 is the rubber injection of rearmounted single cylinder rodless chamber, compare in the single cylinder on the existing market axial one-line formula platform and the built-in one-line formula platform of single cylinder, under the condition of the same thrust, the oil cylinder subassembly is small, is favorable to two to penetrate placing side by side of platform. The rear-mounted single-cylinder rodless cavity glue injection structure has the advantages that the number of oil cylinder sealing pieces is small, the glue injection resistance is small, the effective energy efficiency ratio of the glue injection useful work is improved, the glue injection pressure is reduced, and the energy conservation and the consumption reduction are realized. The area of a rodless cavity for injecting glue to come into oil in the glue injection oil cylinder 392 is larger than that of a rod cavity for injecting glue to return oil, the annular area of the rod cavity is less than 40% of the area of the rodless cavity, the oil discharge amount of the rod cavity is small under the condition of high-speed glue injection, the oil return resistance is small, and the oil way is controlled accurately.
Referring to fig. 1 to 3, in some alternative embodiments, the fixed mold plate 10 is provided with a first injection platform through hole 11 and a second injection platform through hole 12, the first injection platform through hole 11 is used for the screw assembly 32 of the first injection platform 20 or the second injection platform 30 to extend into, and the second injection platform through hole 12 is used for the screw assembly 32 of the second injection platform 30 or the first injection platform 20 to extend into. That is, the installation positions of the first injection platform 20 and the second injection platform 30 can be exchanged, and when the first injection platform 20 is installed in the first injection platform via hole 11, the second injection platform 30 is installed in the second injection platform via hole 12; when the first injection stage 20 is mounted in the second injection stage through hole 12, the second injection stage 30 is mounted in the first injection stage through hole 11. It can be understood that, the first platform 20 and the second of penetrating penetrates the equal modular design of platform 30, sets up respectively on the fixing base 40 of difference to can realize penetrating alone and move, penetrate gluey, take out actions such as glue, melten gel, convenient change and dismouting, only need dismantle when changing penetrate move subassembly 33 alright penetrate the first platform 20 and the second penetrate platform 30 and change the installation, convenient and fast. According to actual needs, a third injection platform, a fourth injection platform and the like can be added to realize multi-color injection molding and the like. Specifically, a plurality of positioning portions 13 capable of being used for fixedly connecting the oil cylinder are arranged around the first injection platform via hole 11 and the second injection platform via hole 12, and the first injection platform via hole 11 and the second injection platform via hole 12 can be matched with the first injection platform 20 or the second injection platform 30 through the plurality of positioning portions 13. A plurality of positioning parts 13 are arranged to be suitable for different injection and displacement assemblies 33, each injection and displacement assembly 33 comprises at least one connecting oil cylinder, and the specific number of the connecting oil cylinders can be determined according to actual conditions. In the present embodiment, the injection moving assembly 33 of the first injection stage 20 includes one connecting cylinder, and the injection moving assembly 33 of the second injection stage 30 includes two connecting cylinders, and the glue melting assembly 31 and the screw assembly 32 in the second injection stage 30 are longer than the glue melting assembly 31 and the screw assembly 32 in the first injection stage 20. Namely, the specific structure of the first injection platform 20 and the second injection platform 30 can be adjusted according to actual needs, so that the whole structure is more compact and reasonable.
As shown in fig. 1 to 6, the single-cylinder injection parallel double-color injection table structure 100 of the present invention can be applied to a parallel double-color injection molding machine to realize double-material double-color injection molding; it can also be used in common single-color injection molding machine. The single-cylinder injection parallel double-shot injection platform structure 100 comprises a first injection platform 20 and/or a second injection platform 30, the structures of the first injection platform 20 and the second injection platform 30 are basically consistent, but the connecting structures, the installation positions and the like of the first injection platform 20 and the second injection platform 30 and the fixed die plate 10 can be adjusted according to the actual injection molding condition and the installation position condition. The fixing seat 40 can be provided with the first injection platform 20 or the second injection platform 30 according to actual needs, or the first injection platform 20 and the second injection platform 30 are simultaneously arranged, or even the number of the injection platforms is increased, so as to realize multi-color injection molding. The first injection platform 20 and the second injection platform 30 respectively comprise an injection moving assembly 33, a glue melting assembly 31, a screw assembly 32, an injection platform front plate 34, a middle plate plasticizing assembly 35, an injection platform rear plate 38 and an injection cylinder assembly 39 which are positioned on a fixed seat 40. The injection moving assembly 33 is connected between the fixed mold plate 10 and the injection table front plate 34, and is used for realizing the integral movement of the first injection table 20 or the second injection table 30. The screw assembly 32 is located in the glue melting assembly 31, and one end of the screw assembly is connected to the middle plate plasticizing assembly 35, and the other end of the screw assembly is located in the fixed die plate 10. The melt adhesive assembly 31 is used for heating and melting injection molding raw materials. The screw assembly 32 can move linearly in a first direction along with the middle plate plasticizing assembly 35 under the action of the injection cylinder assembly 39, a transmission mechanism 36 is arranged in the middle plate plasticizing assembly 35, and the screw assembly 32 can move in a second direction under the action of the transmission mechanism 36, namely, the screw assembly 32 can rotate in the circumferential direction under the action of the transmission mechanism 36. The linear motion of the screw assembly 32 is realized by the injection cylinder assembly 39, and the rotational motion of the screw assembly 32 is realized by the transmission mechanism 36, so that the shooting piston rod 391 of the injection cylinder assembly 39 does not need to do linear motion and rotational motion at the same time, and the injection cylinder assembly has better sealing performance, no oil leakage and longer service life. The single-cylinder injection parallel double-color injection platform structure 100 is compact in structure, small in size, easy to machine and install parts, capable of facilitating parallel arrangement of double injection platforms, enabling the first injection platform 20 and the second injection platform 30 to be capable of changing installation positions according to actual needs, enabling the first injection platform 20 and the second injection platform 30 to be in modular design, and also capable of facilitating increase or reduction of the number of injection platforms. In addition, the injection cylinder assembly 39 and the screw assembly 32 are on the same axis, the condition that the screw is broken due to unbalanced load thrust cannot be generated, the sealing element of the rubber injection piston rod 391 only moves linearly and does not rotate, the sealing performance is good, oil is not leaked, and the service life is long.
The above disclosure is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the utility model, so that the appended claims are intended to cover all such modifications and changes as fall within the true spirit of the utility model.
Claims (10)
1. The single-cylinder injection parallel double-color injection platform structure is characterized by comprising a fixed template, a first injection platform and/or a second injection platform, wherein the first injection platform and the second injection platform can penetrate through the fixed template and are positioned in the fixed template for injecting glue, and the first injection platform and the second injection platform respectively comprise an injection moving assembly, a glue melting assembly, a screw assembly, an injection platform front plate, a middle plate plasticizing assembly, an injection platform rear plate and an injection oil cylinder assembly which are arranged on a fixed seat; the screw assembly is positioned in the glue melting assembly, one end of the glue melting assembly is fixed on the injection platform front plate, the other end of the glue melting assembly is positioned in the fixed template, one end of the screw assembly sequentially penetrates through the glue melting assembly and the injection platform front plate and is connected with the middle plate plasticizing assembly, the other end of the screw assembly penetrates through the fixed template, and the injection moving assembly is installed between the fixed template and the injection platform front plate; the middle plate plasticizing component is located between the injection platform front plate and the injection platform rear plate, the injection platform front plate and the injection platform rear plate are both installed on the fixing seat, one end of the injection oil cylinder component is fixed on the injection platform rear plate, the output end of the injection oil cylinder component is connected to the middle plate plasticizing component, the injection oil cylinder component acts to enable the middle plate plasticizing component to drive the screw rod component to move in a first direction, a transmission mechanism is arranged in the middle plate plasticizing component, and the middle plate plasticizing component moves in a second direction through the action of the transmission mechanism.
2. The single-cylinder injection parallel double-color injection platform structure of claim 1, wherein a guide rod assembly for guiding is further disposed between the injection platform front plate and the injection platform rear plate, the middle plate plasticizing assembly is sleeved on the guide rod assembly, and the injection cylinder assembly operates to slide the middle plate plasticizing assembly along the guide rod assembly and drive the screw assembly to operate.
3. The single cylinder injection parallel dual color injection stage structure of claim 2, wherein a flange is connected to an output end of said injection cylinder assembly, said flange is mounted on said middle plate plasticizing assembly, said injection cylinder assembly is operative to act on said flange to linearly reciprocate said middle plate plasticizing assembly along said guide rod assembly.
4. The single-cylinder injection parallel two-color injection stage structure of claim 1, wherein the middle plate plasticizing component comprises a hollow housing, the transmission mechanism is located in the housing, one end of the screw component is located in the housing and is in transmission connection with the transmission mechanism, and the transmission mechanism acts to rotate the screw component.
5. The single cylinder injection parallel dual color shooting table structure of claim 1, wherein the transmission mechanism comprises a hydraulic plasticizing motor, a drive gear assembly at an output of the hydraulic plasticizing motor, an idler gear assembly connected to the screw assembly, and a driven gear assembly between and meshing with the drive gear assembly and the driven gear assembly, respectively.
6. The single cylinder injection parallel dual color injection station structure of claim 5, wherein the screw assembly comprises a drive shaft connected to the driven gear assembly and a feed screw located within the glue melting assembly, the drive shaft being connected to the feed screw, the drive mechanism acting to cause the drive shaft to rotate the feed screw within the glue melting assembly to effect glue melting.
7. The single-cylinder injection parallel double-color injection platform structure according to claim 1, wherein the injection moving assembly comprises at least one connecting cylinder, one end of the connecting cylinder is fixed on the injection platform front plate, the output end of the connecting cylinder is mounted on the fixed die plate, and the connecting cylinder acts to drive the first injection platform or the second injection platform to act.
8. The single-cylinder injection parallel double-color injection platform structure of claim 7, wherein the fixed die plate is provided with a first injection platform via hole and a second injection platform via hole, the first injection platform via hole is used for the first injection platform or the second injection platform screw component to extend into, and the second injection platform via hole is used for the second injection platform or the first injection platform screw component to extend into.
9. The single-cylinder injection parallel double-color injection platform structure of claim 8, wherein the first injection platform through hole and the second injection platform through hole are circumferentially provided with a plurality of positioning portions for fixing the connecting oil cylinder, and the first injection platform through hole and the second injection platform through hole can be matched with the first injection platform or the second injection platform through the plurality of positioning portions.
10. The single-cylinder injection parallel dual-color injection table structure of claim 1, wherein the injection cylinder assembly comprises a glue injection cylinder and a glue injection piston rod, one end of the glue injection piston rod is located in the glue injection cylinder, the other end of the glue injection piston rod is connected to the middle plate plasticizing assembly, and the area of a rodless cavity for injecting glue and supplying oil in the glue injection cylinder is larger than that of a rod cavity for injecting glue and returning oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202121905128.4U CN215882331U (en) | 2021-08-13 | 2021-08-13 | Single-cylinder injection parallel double-color injection platform structure |
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| CN202121905128.4U CN215882331U (en) | 2021-08-13 | 2021-08-13 | Single-cylinder injection parallel double-color injection platform structure |
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| CN215882331U true CN215882331U (en) | 2022-02-22 |
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| CN202121905128.4U Active CN215882331U (en) | 2021-08-13 | 2021-08-13 | Single-cylinder injection parallel double-color injection platform structure |
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| Country | Link |
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| CN (1) | CN215882331U (en) |
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- 2021-08-13 CN CN202121905128.4U patent/CN215882331U/en active Active
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