Double-sliding-plate mechanism driven by pull cylinder

Abstract

The utility model discloses a cylinder score driving double sliding plate mechanism, which comprises a mold locking unit and an injection unit, the mold locking unit adopts an independent double mold locking unit, each mold locking unit is respectively provided with an independent sliding plate component, and each sliding plate component comprises a sliding plate and a sliding plate cylinder score component for driving the sliding plate to slide; and the injection unit adopts a lifting adjustment sliding type independent single injection unit, and is driven by an injection cylinder score assembly to be arranged in a station switching movable manner between the double mold locking units. According to the double-sliding-plate mechanism driven by the pull cylinder, the independent sliding plate assembly is arranged in each mold locking unit, one ejection pull cylinder assembly drives one ejection unit to conduct station switching motion, the two mold locking units alternately achieve mold closing and mold opening injection molding operation, longer pressure maintaining time is reserved, the production efficiency is improved, and the production cost is reduced. The injection molding requirements of materials with low melting points and products with different sizes can be met, the stability is high, the structure is simple, and the operation is convenient.

Description

Technical Field

[0001] This utility model relates to the field of injection molding machine technology, and in particular to a cylinder-driven double slide mechanism. Background Technology

[0002] As the industry develops and technology matures, the injection molding industry is also pursuing equipment with higher production efficiency. Therefore, for different product characteristics, adjustments need to be made according to specific circumstances to provide the most efficient solutions. Currently, dual-station slide plate injection molding machines generally have a single slide plate and single mold clamping structure. Because there is only a single mold clamping structure, there are requirements for the holding pressure time, and the applicable conditions are more numerous. It is required that the product volume is small and that it is made of materials with high melting points such as PC. However, for slightly larger products and materials with low melting points such as PVC, this type of machine will have a long holding pressure time, and other components will be idle during the holding pressure period, resulting in low overall production efficiency.

[0003] Some dual-station injection molding machines also employ a dual-slide plate composite structure. For example, Chinese patent document CN114055704A discloses a dual-slide plate dual-injector injection molding machine, including a base. An injection table is fixedly connected to the side wall of the base. Several linear guides are fixedly connected to the top of the base. A rack is fixedly connected to the top of the base. An injection support plate is slidably connected to the side wall of the linear guides. A power component is provided at the top of the injection support plate. A dual-injector assembly is provided at the top of the injection support plate. An injection positioning cylinder is fixedly connected to the side wall of the base. A slide plate positioning cylinder is fixedly connected to the side wall of the injection table. A slide plate pulling cylinder is fixedly connected to the top of the injection table. A dual-slide plate mold assembly is provided at the output end of the slide plate pulling cylinder.

[0004] However, the above technical solution uses a dual-slide mold assembly and a dual-injection base assembly. This structure not only makes the equipment complex and space-consuming, but also cannot reserve a longer holding time, making it unsuitable for injection molding materials with lower melting points and larger-volume products. Utility Model Content

[0005] The purpose of this invention is to solve the problems of existing double-slide double-injection-station injection molding machines, such as complex structure, large space occupation, inability to reserve longer holding pressure time, and unsuitability for injection molding of materials with lower melting points and larger volume products. The invention provides a double-mold-closing double-station mechanism that can reserve longer holding pressure time, is suitable for injection molding of materials with lower melting points and products of various volumes, has a simpler structure, stronger stability, and lower cost, and achieves dual-station injection molding through a single injection unit with a cylinder-driven double-slide mechanism.

[0006] The technical solution adopted by this utility model to achieve its invention objective is: a cylinder-driven double slide mechanism, including a mold-locking unit and an injection unit. The mold-locking unit adopts an independent double mold-locking unit, and each mold-locking unit is provided with an independent slide assembly. The slide assembly includes a slide and a slide cylinder assembly that drives the slide to slide. The injection unit adopts a lifting, adjusting, and sliding independent single injection unit. The injection unit is driven by an injection cylinder assembly to move between the double mold-locking units in a station switching manner. This cylinder-driven dual-slide mechanism features a completely redesigned mold-locking and injection units. The mold-locking unit is configured with two independent units, each containing a separate slide assembly. These slide assemblies are driven by a cylinder assembly, allowing each unit to perform independent mold-closing and opening operations. To allow for longer holding time, improve production efficiency, and meet the injection requirements of low-melting-point materials, a movable injection unit is used to switch between the two independent mold-locking units. This allows for a single injection unit to switch between the two stations, ensuring that after injection molding in one unit, pressure is maintained before injection molding in the other unit. Once the other unit is finished, the first unit has completed its long holding time and is ready for mold opening. The injection unit then returns to the first unit for injection, repeating this process. This reciprocating operation ensures sufficient pressure maintenance, improves production efficiency, saves equipment space, and reduces production costs. In order to enable the movement of the injection unit and meet the injection requirements of products of different sizes, the injection unit adopts a lifting and adjusting movement type. To achieve the movement of the injection unit, an injection cylinder assembly is specially designed. Through the movement of the injection cylinder assembly, the injection unit is driven to switch positions. The structure is simple and the operation is convenient.

[0007] Preferably, the skateboard assembly further includes a slotted skateboard fixing plate, and the skateboard cylinder assembly is integrated inside the slot. The skateboard cylinder assembly includes a skateboard cylinder sleeve and a skateboard cylinder mandrel. The end of the skateboard cylinder mandrel is connected to the skateboard via a skateboard connecting seat and drives the skateboard to slide back and forth. The skateboard assembly is mainly designed to facilitate the placement of the injection mold, as well as the injection molding and mold opening of the product. Therefore, to facilitate the sliding of the skateboard and the installation of the skateboard cylinder assembly, a skateboard fixing plate is provided in the skateboard assembly. The skateboard fixing plate is set on the lower template, and a slot is provided on the skateboard fixing plate. The slot can be directly created on the entire skateboard fixing plate, or the skateboard fixing plate can be set in two separate parts, with a slot between the two separate skateboard fixing plates. The purpose of the slot is to facilitate the integrated installation of the skateboard cylinder assembly and the skateboard. The skateboard cylinder assembly is placed under the skateboard, and the movement of the skateboard cylinder assembly drives the skateboard to move, thus saving space and achieving stable movement of the skateboard.

[0008] Preferably, the injection unit includes an injection base assembly, which includes multiple support seats and a cylinder guide post disposed on the support seats. An injection base plate is slidably disposed on the cylinder guide post. The injection cylinder assembly is disposed below the injection base plate and drives the injection base plate to move along the cylinder guide post. The injection unit also includes an injection base assembly. The injection base assembly facilitates connection with the frame assembly and allows for integrated installation of the injection unit. Multiple support seats are supported on the frame assembly, thereby horizontally positioning the cylinder guide post on the frame assembly. The sliding injection base plate is disposed on the cylinder guide post. The injection cylinder assembly drives the injection base plate to move, thereby enabling the overall movement of the screw and barrel assembly, etc., mounted on it.

[0009] Preferably, the injection unit further includes a lifting and adjusting mechanism; the lifting and adjusting mechanism includes a front support assembly, a rear support assembly, and a lifting and adjusting power assembly. To meet the needs of injection molding different products, and even larger products, and to ensure that the screw and barrel assembly can connect with the injection mold, a lifting and adjusting mechanism is provided in the injection unit. This lifting and adjusting mechanism mainly includes a front support assembly, a rear support assembly, and a lifting and adjusting power assembly.

[0010] Preferably, the front support assembly includes a front support and a front injection seat adjustment support that is slidably adjusted and mounted on the front support; the rear support assembly includes a rear support and a rear injection seat adjustment support that is slidably adjusted and mounted on the rear support; a set of injection cylinder guide posts is provided between the front injection seat adjustment support and the rear injection seat adjustment support. The lifting and lowering of the front and rear injection seat adjustment supports on the front and rear support assemblies allows for adjustment of the injection height of the screw barrel assembly.

[0011] Preferably, the lifting and adjusting power assembly includes a cycloidal motor, a rear auger, a sprocket assembly, and a front auger. The sprocket assembly includes a first sprocket mounted on a rear drive shaft between the rear augers, a second sprocket mounted on a front drive shaft between the front augers, and a drive chain wound around the first and second sprockets. The lifting and adjusting power assembly mainly achieves synchronous lifting of the screw and barrel assembly by driving the rear auger, sprocket assembly, and front auger with a cycloidal motor.

[0012] Preferably, the injection unit further includes an injection cylinder assembly, a screw and barrel assembly mounted on the injection cylinder assembly, a hydraulic motor assembly for driving the screw and barrel assembly to perform material storage and injection, and a material storage cylinder assembly for conveying material. The injection unit also includes an injection cylinder assembly, a screw and barrel assembly, a hydraulic motor assembly, and a material storage cylinder assembly that perform functions such as material storage and injection.

[0013] Preferably, the injection cylinder assembly includes an injection cylinder sleeve and two injection cylinder mandrels disposed inside the injection cylinder sleeve. The ends of the two injection cylinder mandrels are connected to the hydraulic motor assembly. A screw barrel assembly through hole is horizontally provided at the center of the injection cylinder sleeve. A storage cylinder assembly mounting seat is provided on the upper part of the injection cylinder sleeve. The injection cylinder assembly drives the screw barrel assembly for injection through one injection cylinder sleeve and two injection cylinder mandrels, which has good operational stability and simple structure. At the same time, the storage cylinder assembly mounting seat is provided on the injection cylinder sleeve to facilitate the integrated installation of the storage cylinder assembly.

[0014] Preferably, the storage cylinder assembly includes a pressure cylinder assembly and a storage cylinder, with a storage cylinder piston assembly disposed inside the storage cylinder; the storage cylinder is connected to the screw cylinder assembly. The storage cylinder assembly is provided to facilitate material storage and feeding.

[0015] Preferably, the screw barrel assembly includes a screw, a screw barrel, and a nozzle.

[0016] Preferably, the mold clamping unit further includes a mold cylinder assembly and a cutter cylinder assembly, and an ejector cylinder assembly is provided below the slide plate assembly.

[0017] The beneficial effects of this utility model are as follows: The cylinder-driven double slide mechanism sets the mold-locking unit as an independent double mold-locking unit, with an independent slide assembly in each mold-locking unit. Furthermore, an injection unit is driven by an injection cylinder assembly to perform station switching motion. The two mold-locking units alternately realize mold closing and opening injection operations, allowing for a longer holding time, improving production efficiency, and meeting the injection requirements of materials with low melting points. At the same time, the injection unit adopts a lifting and adjusting structure, which can meet the injection requirements of products of different sizes. Moreover, it has high stability, simple structure, convenient operation, low cost, and wide applicability. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of a cylinder-driven double slide mechanism of this utility model.

[0019] Figure 2 This is a schematic diagram of the cylinder-driven double slide mechanism of this utility model from another angle.

[0020] Figure 3 This is a front view of a cylinder-driven double slide mechanism of this utility model.

[0021] Figure 4 yes Figure 3 Sectional view of AA.

[0022] Figure 5 This is a side view of a cylinder-driven double slide mechanism of this utility model.

[0023] Figure 6This is a schematic diagram of a dual-mode locking unit in this utility model.

[0024] Figure 7 yes Figure 6 A cross-sectional view of a dual-mode-locked unit.

[0025] Figure 8 yes Figure 7 BB section view.

[0026] Figure 9 This is a schematic diagram of one type of injection unit in this utility model.

[0027] Figure 10 This is a structural schematic diagram of the injection unit from another angle in this utility model.

[0028] Figure 11 This is a schematic diagram of one structure of the launcher assembly in this utility model.

[0029] Figure 12 This is a structural schematic diagram of the launcher assembly in this utility model from another angle.

[0030] Figure 13 This is a partial structural schematic diagram of the injection unit in this embodiment.

[0031] In the diagram: 100, rack assembly; 200, sealing plate assembly; 300, injection unit.

[0032] 400. Mold clamping unit; 401. Lower mold plate; 402. Upper mold plate; 403. Mold cylinder; 404. Mold cylinder machine column; 405. Mold cylinder sleeve; 406. Upper mold plate heat insulation plate; 407. Sleeve body; 408. Mold cylinder sleeve plate body; 409. Mold cylinder machine column hole; 410. Mold cylinder mandrel; 411. Mold cylinder front cover; 412. Mold clamping unit one; 413. Mold clamping unit two;

[0033] 500. Cutter cylinder assembly; 600. Rapid cylinder assembly.

[0034] 700. Skateboard assembly; 701. Skateboard fixing plate; 702. Skateboard; 703. Skateboard heat insulation plate; 704. Grooving; 705. Cable chain fixing plate; 706. Material receiving baffle; 707. Skateboard assembly one; 708. Skateboard assembly two.

[0035] 800. Ejector cylinder assembly; 801. Ejector cylinder assembly one; 802. Ejector cylinder assembly two;

[0036] 900. Skateboard cylinder retardation assembly; 901. Skateboard cylinder retardation assembly one; 902. Skateboard cylinder retardation assembly two; 903. Skateboard cylinder retardation sleeve; 904. Skateboard cylinder retardation flange; 905. Skateboard cylinder retardation front cover; 906. Skateboard cylinder retardation spindle; 907. Skateboard connecting seat.

[0037] 1. Injector assembly; 11. Support seat; 12. Cylinder guide post; 13. Injector base plate; 14. Front support seat; 15. Rear support seat; 16. Adjusting slide; 17. Front injection seat adjusting support; 18. Rear injection seat adjusting support; 19. Cylinder guide post.

[0038] 2. Injection cylinder assembly; 21. Injection cylinder liner; 22. Injection cylinder mandrel; 23. Through hole for screw and barrel assembly; 24. Storage cylinder assembly mounting base.

[0039] 3. Screw and barrel assembly; 31. Screw; 32. Screw and barrel; 33. Nozzle;

[0040] 4. Oil motor assembly; 41. Oil motor mount; 42. Motor;

[0041] 5. Storage cylinder assembly; 51. Pressing cylinder assembly; 52. Storage cylinder; 53. Pressing mandrel guide plate; 54. Pressing mandrel; 55. Pressing mandrel fixing plate; 56. Storage cylinder piston assembly.

[0042] 6. Cylinder seat assembly; 61. Cylinder seat rear cover; 62. Cylinder seat liner; 63. Cylinder seat front cover; 64. Cylinder seat spindle; 65. Cylinder seat fixing block; 66. Cylinder seat connecting block; 67. Cylinder seat connecting seat.

[0043] 7. Injection-cast cylinder scoring assembly; 71. Cylinder scoring sleeve; 72. Cylinder scoring rear cover; 73. Cylinder scoring front cover; 74. Cylinder scoring mandrel; 75. Cylinder scoring mounting base; 76. Cylinder scoring connecting base.

[0044] 8. Cycloidal motor; 81. Drive shaft;

[0045] 9. Rear screw jack; 91. Rear drive shaft; 92. Sprocket 1;

[0046] 10. Front auger, 101. Front drive shaft, 102. Second sprocket, 103. Intermediate sprocket;

[0047] 20. Proximity switch assembly. Detailed Implementation

[0048] The technical solution of this utility model will be further described in detail below through specific embodiments and in conjunction with the accompanying drawings.

[0049] Example 1:

[0050] exist Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 In the embodiment shown, a cylinder-driven double slide mechanism includes a frame assembly 100, a sealing plate assembly 200, an injection unit 300 and a mold-locking unit 400 disposed on the frame assembly 100.

[0051] The clamping unit 400 employs an independent dual clamping unit, comprising clamping unit one 412 and clamping unit two 413. Clamping unit one and clamping unit two alternately perform mold closing, clamping, injection molding, pressure holding, and mold opening operations. This effectively increases the pressure holding time, making it suitable for materials with lower melting points and larger product volumes.

[0052] Each mold-locking unit is equipped with an independent slide plate assembly 700, which includes a slide plate 702 and a slide plate pull cylinder assembly 900 that drives the slide plate to slide; the injection unit 300 is a lifting and adjusting sliding independent single injection unit, which is driven by an injection pull cylinder assembly 7 to move between the two mold-locking units in a station switching manner.

[0053] like Figure 6 , Figure 7 As shown, each mold-locking unit 400 includes a mold cylinder assembly and a cutter cylinder assembly 500. The mold cylinder assembly includes a template assembly and a mold cylinder 403. The template assembly includes a lower template 401, an upper template 402, and a mold cylinder machine column 404. The upper template 402 is slidably disposed above the lower template 401 via the mold cylinder machine column 404.

[0054] The mold cylinder includes a mold cylinder sleeve 405 and a mold cylinder mandrel 410. The mold cylinder 403 is mounted on the upper end of the mold cylinder machine column 404 via the mold cylinder sleeve 405. An upper template heat insulation plate 406 is provided on the lower plate surface of the upper template 402.

[0055] The mold cylinder sleeve 405 consists of an integrally formed sleeve body 407 and mold cylinder sleeve plate 408, with mold cylinder machine pin holes 409 respectively provided at the four corners of the mold cylinder sleeve plate 408. The mold cylinder mandrel 410 is disposed inside the sleeve body 407 and passes through the mold cylinder front cover 411 to connect with the cutting tool cylinder assembly 500.

[0056] A set of quick-acting cylinder assemblies 600 are symmetrically arranged on both sides of the mold cylinder sleeve plate 408. The quick-acting cylinder assemblies 600 are respectively connected to the upper template 402.

[0057] Each locking unit 400 includes an independently operating sliding plate assembly 700.

[0058] The slide plate assembly 700 is provided with slide plate assembly 707 and slide plate assembly 708 respectively, corresponding to mold clamping unit 412 and mold clamping unit 413. Below the double slide plate assembly 700, an ejector cylinder assembly 800 is provided with ejector cylinder assembly 801 and ejector cylinder assembly 802 respectively, corresponding to slide plate assembly 707 and slide plate assembly 708.

[0059] Each set of skateboard assembly 700 is provided with a skateboard cylinder assembly 900 below it. The skateboard cylinder assembly 900 is provided with skateboard cylinder assembly 901 and skateboard cylinder assembly 902 corresponding to skateboard assembly 707 and skateboard assembly 708, respectively.

[0060] like Figure 8 As shown, the skateboard cylinder assembly 900 includes a skateboard cylinder sleeve 903, a skateboard cylinder flange 904, a skateboard cylinder front cover 905, and a skateboard cylinder spindle 906. The end of the skateboard cylinder spindle 906 is connected to the end face of the skateboard 702 through a skateboard connecting seat 907.

[0061] Each skateboard assembly 700 includes a skateboard fixing plate 701, a skateboard 702, and a skateboard heat insulation plate 703.

[0062] The skateboard fixing plate 701 is horizontally positioned on the lower template 401 along the injection direction and extends outward from the lower template 401. A pin cylinder assembly 800 is vertically and upwardly positioned on the lower surface of the skateboard fixing plate 701. A slot 704 is formed along the length direction at the center of the skateboard fixing plate 701. The slot 704 can be integrally formed on the skateboard fixing plate or formed by separating the skateboard fixing plate. The skateboard pin cylinder assembly 900 is integrated inside the slot 704.

[0063] Specifically, a slide plate cylinder assembly 900 is provided on the lower template 401 corresponding to the slot 704. The slide plate 702 is connected to the slide plate cylinder assembly 900 and can be slid by the slide plate cylinder assembly 900. The slide plate heat insulation plate 703 is provided on the upper surface of the slide plate 702. A cable chain fixing plate 705 and a receiving baffle 706 are also provided on the side of the slide plate fixing plate 701 facing the injection unit 300.

[0064] The injection unit 300 is an independent single injection unit, which enables one injection unit to correspond to two mold clamping units for exchange injection molding.

[0065] like Figure 9 , Figure 10 As shown, the injection unit 300 includes an injection base assembly 1, an injection cylinder assembly 2, a screw barrel assembly 3 mounted on the injection cylinder assembly 2, an oil motor assembly 4 that drives the screw barrel assembly 3 to perform material storage and injection, and a material storage cylinder assembly 5 for conveying material.

[0066] The injection mount assembly 1 includes a plurality of support seats 11 for fixed connection with the frame assembly 100 and cylinder guide posts 12 disposed on the support seats 11. Two cylinder guide posts 12 are provided, and the two cylinder guide posts 12 are horizontally disposed on the frame assembly 100 perpendicular to the injection direction.

[0067] A base plate 13 is slidably disposed on the cylinder guide post 12, and an injection cylinder assembly 7 is disposed below the base plate 13, which is connected to the base plate 13 and is used to drive the base plate 13 to slide along the cylinder guide post 12.

[0068] The injection cylinder assembly 7 is parallel to the two cylinder guide posts 12 and is disposed on the frame assembly 100 between the two cylinder guide posts 12.

[0069] The injection cylinder assembly 7 includes a cylinder sleeve 71, a cylinder rear cover 72, a cylinder front cover 73, and a cylinder mandrel 74. The cylinder rear cover 72 and the cylinder front cover 73 are respectively fixed to the frame assembly 100 through a cylinder fixing seat 75. The end of the cylinder mandrel 74 is connected to the side of the injection base plate 13 through a cylinder connecting seat 76.

[0070] The injection unit 300 further includes a lifting and adjusting mechanism; the lifting and adjusting mechanism includes a front support assembly, a rear support assembly, and a lifting and adjusting power assembly. The lifting and adjusting mechanism is not limited to the structure in this embodiment; other lifting methods can also be used, such as a hydraulic lifting mechanism.

[0071] The front support assembly includes a front support 14 and a front injection seat adjustment support 17 that is slidably and adjustablely disposed on the front support 14; the rear support assembly includes a rear support 15 and a rear injection seat adjustment support 18 that is slidably and adjustablely disposed on the rear support 15; a set of injection cylinder guide posts 19 are disposed between the front injection seat adjustment support 17 and the rear injection seat adjustment support 18.

[0072] Specifically, support seats are respectively provided on the injection base plate 13 along the injection direction, that is, along the length direction of the injection base plate 13. The support seats include two front support seats 14 and two rear support seats 15. Adjustment grooves 16 are provided on the support seats along the vertical direction. Front injection base adjustment supports 17 are provided inside the adjustment grooves of the two front support seats 14, and rear injection base adjustment supports 18 are provided inside the adjustment grooves of the two rear support seats.

[0073] Two injection cylinder guide posts 19 are horizontally and parallelly arranged on the front injection cylinder seat adjustment support 17 and the rear injection cylinder adjustment support 18. A cylinder assembly 6 is arranged on the rear injection cylinder adjustment support 18 between the two injection cylinder guide posts 19.

[0074] The cylinder seat assembly 6 includes a cylinder seat rear cover 61 connected to the rear injection cylinder adjustment support 18, a cylinder seat sleeve 62 connected to the cylinder seat rear cover 61, a cylinder seat front cover 63 disposed at the front end of the cylinder seat sleeve 62, and a cylinder seat spindle 64 disposed inside the cylinder seat sleeve 62 and extending forward. The cylinder seat front cover 63 is fixed by a cylinder seat fixing block 65.

[0075] The end of the cylinder head 64 is connected to a cylinder connecting block 66, which is connected to the injection cylinder sleeve in the injection cylinder assembly 2. A cylinder connecting seat 67 is connected to the cylinder connecting block 66. The cylinder connecting seat 67 extends to the outer front end of the injection cylinder sleeve.

[0076] like Figure 11 As shown, the lifting and adjusting power assembly includes a cycloidal motor 8, a rear auger 9, a sprocket assembly, and a front auger 10.

[0077] like Figure 12 As shown, the sprocket assembly includes a first sprocket 92 disposed on a rear drive shaft 91 between the rear augers 9, a second sprocket 102 disposed on a front drive shaft 101 between the front augers 10, and a drive chain wound around the first sprocket 92 and the second sprocket 102. Of course, the lifting adjustment power assembly can also use other driving components, as long as they can achieve the lifting drive, and is not limited to the method exemplified in this embodiment.

[0078] Specifically, in this embodiment, a cycloidal motor 8 is provided on the side of the rear support 15, and a set of rear screw lifters 9 is provided below the rear support 15.

[0079] The drive shaft 81 of the cycloidal motor is connected to the rear auger 9 located below the rear support 15. A rear drive shaft 91 is provided between the two rear augers 9, and a sprocket 92 is provided on the rear drive shaft 91.

[0080] A set of front screw lifters 10 is provided below the front support seat 14. A front drive shaft 101 is provided between the two front screw lifters 10, and a sprocket 102 is provided on the front drive shaft 101.

[0081] A transmission chain is wound around the first sprocket 92 and the second sprocket 102. In order to achieve stable transmission, an intermediate sprocket 103 is arranged coaxially with the first sprocket 92 and the second sprocket 102 at the middle position of the base plate 13.

[0082] A proximity switch assembly 20 is also provided behind the rear support base 15.

[0083] The oil motor assembly 4 is mounted on the injection cylinder guide post 19 near one end of the rear support 15.

[0084] The oil motor assembly 4 includes an oil motor base 41, a motor 42 mounted on the oil motor base 41, and a screw barrel assembly 3 connected to the motor.

[0085] The screw and barrel assembly 3 is slidably mounted on the injection cylinder guide post 19 via the injection cylinder assembly 2. The screw and barrel assembly 3 includes a screw 31, a screw and barrel 32, and a nozzle 33.

[0086] The injection cylinder assembly 2 includes an injection cylinder sleeve 21 and two injection cylinder mandrels 22 disposed inside the injection cylinder sleeve. The ends of the two injection cylinder mandrels 22 are connected to the oil motor seat 41. A screw barrel assembly through hole 23 is also provided at the center of the injection cylinder sleeve 21.

[0087] like Figure 13 As shown, a storage cylinder assembly mounting base 24 is provided on the upper part of the injection cylinder liner 21. The storage cylinder assembly 5 is fixed on the storage cylinder assembly mounting base 24 and communicates with the inside of the screw cylinder assembly 3.

[0088] The storage cylinder assembly 5 includes a pressing cylinder assembly 51 and a storage cylinder 52. The two sets of pressing cylinder assemblies 51 are vertically arranged on both sides of the storage cylinder 52. A pressing mandrel guide plate 53 is provided at the upper end of each pressing cylinder assembly 51. The pressing mandrel 54 passes through the pressing mandrel guide plate 53 and is connected to a pressing mandrel fixing plate 55. A storage cylinder piston assembly 56 is provided inside the storage cylinder 52. The upper end of the storage cylinder piston assembly 56 passes through the pressing mandrel guide plate 53 and is connected to the pressing mandrel fixing plate 55.

[0089] This cylinder-driven double-slide mechanism has two sets of clamping units in use. Clamping unit 1 (412) corresponds to slide assembly 1 (707), and clamping unit 2 (413) corresponds to slide assembly 2 (708). Ejector cylinder assembly 1 (801) is located below slide assembly 1 (707), and ejector cylinder assembly 2 (802) is located below slide assembly 2 (708). Slide cylinder assembly 1 (901) and slide cylinder assembly 2 (902) are provided corresponding to slide assemblies 1 (707) and 2 (708).

[0090] The injection unit 300 switches between the clamping unit 1 and the clamping unit 2 via the injection cylinder assembly, thereby enabling alternating injection between the clamping unit 1 and the clamping unit 2. This greatly saves injection time and allows for a longer holding time, making it suitable for materials with lower melting points and larger product volumes.

[0091] During operation, the injection cylinder assembly 7 in injection unit 300 operates, and the cylinder mandrel 74 extends to its maximum stroke. At this time, injection unit 300 is positioned directly opposite mold clamping unit 412. Simultaneously, the slide plate 702 in slide plate assembly 707 retracts to its minimum stroke via the operation of slide plate cylinder assembly 901. Mold clamping unit 412 closes the mold, and injection cylinder assembly 2 actuates, extending the injection cylinder mandrel 22 to drive screw and barrel assembly 3 for injection. After injection, injection cylinder mandrel 22 retracts. Mold clamping unit 412 remains in the closed state, maintaining pressure. Simultaneously, mold clamping unit 413 opens the mold, and slide plate 702 in slide plate assembly 708 extends to its maximum stroke via the operation of slide plate cylinder assembly 902. Ejector cylinder assembly 802 extends upward, ejecting the injection-molded product.

[0092] The injection unit 300 is repositioned under the drive of the injection cylinder assembly.

[0093] When the injection cylinder assembly 7 in injection unit 300 operates, the cylinder mandrel 74 retracts to its minimum stroke, driving injection unit 300 to a position directly opposite mold clamping unit 413. At this time, the slide plate 702 in slide plate assembly 708 retracts to its minimum stroke through the operation of slide plate cylinder assembly 902. Mold clamping unit 413 closes the mold, injection cylinder assembly 2 operates, and injection cylinder mandrel 22 extends to drive screw and barrel assembly 3 to perform injection. After injection, injection cylinder mandrel 22 retracts. Mold clamping unit 413 remains in the closed state, maintaining pressure. Simultaneously, mold clamping unit 412 opens the mold, and slide plate 702 in slide plate assembly 707 extends to its maximum stroke through the operation of slide plate cylinder assembly 901. Ejector cylinder assembly 801 extends upward, ejecting the injection-molded product.

[0094] This injection cylinder-driven dual-slide mechanism, with its dual-mold-closing, dual-station configuration, allows for longer holding time and is suitable for materials with lower melting points and larger product volumes, thus expanding its market reach. By using a single injection cylinder assembly, the injection unit can move between two stations, enabling one injection unit to simultaneously perform injection operations on two clamping units. The two clamping units alternate, improving holding time and saving costs; the structure is simpler, more stable, and has lower maintenance costs.

[0095] The above embodiments are only some embodiments of this utility model, and not all embodiments. Furthermore, based on the embodiments described in this utility model, all other embodiments obtained by those skilled in the art without creative effort and based on the technical solutions of this application should fall within the protection scope of this utility model.

Claims

1. A draw-cylinder driven double slider mechanism comprising a mold locking unit (400) and an injection unit (300), characterized in that: The locking unit (400) adopts independent double locking units, each of which is provided with an independent slide plate assembly (700), the slide plate assembly (700) comprises a slide plate (702) and a slide plate pull cylinder assembly (900) for driving the slide plate to slide; the injection unit (300) adopts an independent single injection unit of lifting adjustment sliding type, and the injection unit (300) is movably arranged between the double locking units in a work position switching mode by an injection pull cylinder assembly (7).

2. The draw-cylinder driven double sled mechanism of claim 1, wherein: The slide plate assembly (700) further comprises a slide plate fixing plate (701) provided with a slot (704), and the slide plate pull cylinder assembly (900) is integrated in the slot (704); the slide plate pull cylinder assembly (900) comprises a slide plate pull cylinder sleeve (903) and a slide plate pull cylinder shaft (906), and the end of the slide plate pull cylinder shaft (906) is connected with the slide plate (702) through a slide plate connecting seat (907) and drives the slide plate to reciprocate.

3. The draw-cylinder driven double sled mechanism of claim 1, wherein: The injection unit (300) comprises a shooting seat assembly (1), the shooting seat assembly (1) comprises a plurality of support seats (11) and pull cylinder guide columns (12) arranged on the support seats (11), a shooting seat bottom plate (13) is slidably arranged on the pull cylinder guide columns (12), and the injection pull cylinder assembly (7) is arranged below the shooting seat bottom plate (13) and drives the shooting seat bottom plate (13) to move along the pull cylinder guide columns (12).

4. The scuffing driving double slider mechanism according to claim 3, characterized in that: The injection unit (300) further comprises a lifting adjustment mechanism; the lifting adjustment mechanism comprises a group of front support seat assemblies, a group of rear support seat assemblies and a lifting adjustment power assembly.

5. The scuffing driving double slider mechanism according to claim 4, characterized in that: The front support seat assembly comprises a front support seat (14) and a front shooting seat adjusting support (17) which is slidably arranged on the front support seat (14); the rear support seat assembly comprises a rear support seat (15) and a rear shooting seat adjusting support (18) which is slidably arranged on the rear support seat (15); and a group of shooting cylinder guide columns (19) are arranged between the front shooting seat adjusting support (17) and the rear shooting seat adjusting support (18).

6. The scuffing driving double slider mechanism according to claim 4, characterized in that: The lifting adjustment power assembly comprises a cycloidal motor (8), a rear helical lifter (9), a chain wheel assembly and a front helical lifter (10); the chain wheel assembly comprises a chain wheel one (92) arranged on a rear transmission shaft (91) between the rear helical lifters (9), a chain wheel two (102) arranged on a front transmission shaft (101) between the front helical lifters (10), and a transmission chain arranged around the chain wheel one (92) and the chain wheel two (102).

7. The draw-cylinder driven double sled mechanism according to any one of claims 1 to 6, characterized in that: The injection unit (300) further comprises a shooting cylinder assembly (2), a screw barrel assembly (3) arranged on the shooting cylinder assembly (2), an oil motor assembly (4) for driving the screw barrel assembly (3) to store and inject materials, and a material storage barrel assembly (5) for material conveying.

8. The scuffing driving double slider mechanism according to claim 7, characterized in that: The injection cylinder assembly (2) comprises an injection cylinder sleeve (21), two injection cylinder shafts (22) arranged in the injection cylinder sleeve, the end of the two injection cylinder shafts (22) is connected with the oil motor assembly (4), a screw barrel assembly through hole (23) is horizontally arranged at the center position of the injection cylinder sleeve (21), and a storage barrel assembly mounting seat (24) is arranged at the upper portion of the injection cylinder sleeve (21).

9. The mechanism of claim 7, wherein: The storage barrel assembly (5) comprises a pressing cylinder assembly (51) and a storage barrel (52), a storage cylinder piston assembly (56) is arranged in the storage barrel (52), the storage barrel is communicated with the screw barrel assembly (3), and the screw barrel assembly (3) comprises a screw (31), a screw barrel (32) and a nozzle (33).

10. The scuffing driving double slider mechanism according to any one of claims 1 to 6, characterized in that: The locking unit (400) further comprises a mold cylinder assembly and a cutter cylinder assembly (500), and a ejector cylinder assembly (800) is further arranged below the slide plate assembly.

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