Electric ejection structure

Abstract

The utility model discloses an electric injection structure which comprises a direct-drive electric injection table arranged in an injection unit, the direct-drive electric injection table is integrally provided with a lower template, a side injection table frame and a servo motor table plate, the inner side of the side injection table frame is provided with a built-in linear rail, and an injection table seat is integrated on the lower template. According to the electric ejection structure, the direct-drive electric ejection table is adopted, the built-in linear guide rail is arranged in the ejection table, the external space is saved, the larger operation space can be achieved in the injection molding process, flexible adjustment and operation are achieved, the structure is simple, installation is convenient, the structure is compact, more importantly, universal design is achieved, and the electric ejection structure can be adapted to various different machine types.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection molding machine technical field especially relates to a kind of electric ejection structure. BACKGROUND

[0002] With the development of injection molding machine, the requirement for transmission system is higher and higher, the traditional hydraulic transmission has oil leakage, pollutes environment, energy utilization efficiency is low and the problem of high maintenance cost.Electric transmission can solve the defect of oil leakage of hydraulic transmission, can play accurate control, long-term stable movement.

[0003] However, the current electric ejection structure is still not perfect enough.There are mainly the following problems: the ejection structure is not perfect enough, the applicability is not enough;High manufacturing cost;Too many holes, affect the appearance and strength.More importantly, the existing electric ejection structure in the shooting platform, basically each shooting platform is set for a kind of specification of ejection unit, cannot realize generalization, and, the shooting platform structure is complex, leading to the whole ejection structure weight, spare parts, installation complex, occupy larger space, cannot be adjusted and operated flexibly.

[0004] Therefore, in view of the problems existing in the existing electric ejection structure, the existing electric ejection structure is designed, under the premise of not affecting the working condition requirement, reduces weight, reduces installation difficulty, reduces cost;Make the shooting platform can be matched with more models of ejection unit.And the internal structure and parts of plastic machine are more clear and visible, convenient for operator to carry out daily maintenance and troubleshooting;Can provide more operating space for operator, can be more flexible in the injection molding process Adjustment and operation. INVENTION CONTENTS

[0005] The utility model aims at solving the problems that the existing electric ejection structure can only be matched with the same specification of ejection unit for the same shooting platform, cannot realize generalization, and the shooting platform structure is complex, leading to the whole ejection structure weight, spare parts, installation complex, occupy larger space, cannot be adjusted and operated flexibly, and provides a kind of electric ejection structure, the shooting platform adopts openwork design, overall weight is light, shooting platform interior adopts built-in wire rail, saves external space, injection molding process can have greater operating space, realizes flexible adjustment and operation, and the structure is simple, easy to install, compact structure.

[0006] The utility model discloses realized its technical scheme that the utility model discloses realizes the technical scheme of the utility model discloses a kind of electric injection structure, including being arranged in the direct drive electric injection platform in injection unit, the direct drive electric injection platform integratedly set with lower mould plate, side injection platform frame and servo motor platform, the inside of the side injection platform frame is provided with built-in wire rail, and the injection platform seat is integrated on the lower mould plate.The electric injection structure, by setting integrated structure's direct drive electric injection platform, integratedly set with lower mould plate, side injection platform frame and servo motor platform on direct drive electric injection platform, the integration design of injection platform is realized, the versatility of direct drive electric injection platform can be realized, can be adapted to various different machine types, without setting injection platform for each component alone, only need to install various parts and components installation design position on direct drive electric injection platform when using, installation is convenient and fast, and it occupies small space, so that injection platform structure is simple.Because built-in wire rail is arranged in direct drive electric injection platform, it avoids the problem that the space occupied is large and operation space is influenced by setting wire rail outside injection platform, and built-in wire rail can realize the neat setting outside whole machine.Meanwhile, injection platform seat is directly integrated on lower mould plate, for realizing the butt joint of screw barrel assembly and hopper seat assembly, without considering installation position and butt joint problem, only need to butt joint discharge pipe and hole position on injection platform seat, can be adapted to the universal design of screw barrel assembly of various machine types simultaneously.The electric injection structure adopts direct drive electric injection platform, and built-in wire rail is used in injection platform, saves external space, and there is greater operation space in injection process, realizes flexible adjustment and operation, and the structure is simple, convenient to install, compact, more importantly, realizes universal design, and can be adapted to various different machine types.

[0007] As preferred, the inside of the side injection platform frame is provided with a rail frame, the built-in wire rail is arranged on the rail frame, and a sliding block is arranged on the built-in wire rail. The rail frame is arranged on the inside of the side injection platform frame, the built-in wire rail is arranged on the rail frame, which can realize built-in arrangement of the wire rail and facilitate maintenance and replacement of the built-in wire rail. The sliding block is arranged on the built-in wire rail to facilitate up-down movement of the oil motor seat through the sliding block, thereby realizing direct injection operation.

[0008] As preferred, a limiting block is arranged on the built-in wire rail. The limiting block is arranged to limit the movement stroke of the sliding block.

[0009] As preferred, an injection servo motor mounting hole is arranged on the servo motor platform, a transmission bearing seat is integrally arranged on the lower surface of the servo motor platform, and the transmission bearing seat is coaxially arranged with the injection servo motor mounting hole. The injection servo motor mounting hole is arranged to facilitate vertical installation of the injection servo motor and to provide a passage for the output shaft of the injection servo motor. The transmission bearing seat is arranged to facilitate rotational connection of the lead screw assembly with the injection servo motor and to facilitate rotation of the lead screw assembly through the injection servo motor.

[0010] As preferred, the inside of the injection platform is provided with a screw rod barrel through hole, and the side of the injection platform is provided with a storage seat injection hole. The screw rod barrel through hole is arranged to facilitate the cooperation of the screw rod barrel assembly and the injection platform, and to realize the butt joint with the discharge pipe, so as to facilitate the conveying of injection material from the discharge pipe to the inside of the screw rod barrel assembly for feeding and storage operation. The storage seat injection hole is arranged to facilitate the direct butt joint of the discharge pipe and the injection platform, so as to facilitate the injection material into the inside of the screw rod barrel assembly. The integrated injection platform realizes the universal design, and does not need a unit to arrange the butt joint structure, so that the installation is more convenient and fast.

[0011] As preferred, the lower die plate is further provided with a plurality of machine column through holes. The machine column through hole is arranged to facilitate the installation of the material pipe machine column, and to realize the guiding function of the injection operation.

[0012] As preferred, the machine column through hole is internally provided with a pipe machine column flange guide sleeve for realizing the guiding of the material pipe machine column.

[0013] As preferred, the side injection platform frame is provided with a hollow structure. The hollow structure is arranged without affecting the working condition requirements, which greatly reduces the weight, reduces the installation difficulty, and reduces the cost of parts; and the internal structure and components of the plastic machine are more clear and visible, which is convenient for the daily maintenance and fault diagnosis of the operator.

[0014] As preferred, the built-in wire rail is slidably connected with an oil motor seat.

[0015] The beneficial effects of the electric injection structure are: the electric injection structure adopts a direct drive electric injection platform, the inside of the injection platform adopts a built-in wire rail, the external space is saved, the injection process can have a larger operation space, flexible adjustment and operation are realized, the structure is simple, the installation is convenient, the structure is compact, and more importantly, the universal design is realized, and various different machine types can be adapted. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a structure schematic view of the electric injection structure in the utility model.

[0017] Figure 2 is a sectional view of the electric injection structure of the utility model.

[0018] Figure 3 is a structure schematic view of the electric injection unit in the utility model.

[0019] Figure 4 is a structure schematic view of the electric injection unit in the utility model.

[0020] Figure 5It is a part structure schematic view of the electric shooting unit in the utility model.

[0021] Figure 6 It is a structure schematic view of the electric shooting unit (remove the direct drive electric shooting table) in the utility model.

[0022] Figure 7 It is another angle structure schematic view of the electric shooting unit (remove the direct drive electric shooting table) in the utility model.

[0023] Figure 8 It is a structure schematic view of the oil motor seat in the utility model.

[0024] Figure 9 It is a structure schematic view of the screw rod assembly and screw rod barrel assembly cooperation in the utility model.

[0025] In the figure: 1, direct drive electric shooting table, 11, lower die plate,

[0026] 12, side shooting table frame, 121, side frame, 122, center frame, 123, horizontal frame, 124, hollow structure;

[0027] 13, servo motor table plate, 130, shooting servo motor mounting hole;

[0028] 14, transmission bearing seat, 15, track frame, 16, machine column through hole, 17, shooting table seat, 18, screw rod barrel through hole, 19, storage seat shooting hole;

[0029] 2, screw rod barrel assembly, 21, screw rod, 22, barrel, 23, nozzle, 24, feeding cavity, 25, heating assembly;

[0030] 3, screw rod assembly, 31, transmission screw rod, 32, screw rod sleeve;

[0031] 4, transmission shaft, 41, screw rod fixed half ring;

[0032] 5, shooting servo motor,

[0033] 6, storage and feeding assembly, 61, feeding motor, 62, driving pulley, 63, storage pulley, 64, synchronous belt, 65, hopper, 66, discharge pipe, 67, feeding motor adjusting plate;

[0034] 7, built-in linear rail, 71, sliding block, 72, limit block;

[0035] 8, oil motor seat, 81, seat hole, 82, feeding motor adjusting plate support;

[0036] 9, weighing sensor;

[0037] 10, seat cylinder assembly, 101, seat cylinder sleeve, 102, seat cylinder core shaft;

[0038] 30, angle ball bearing, 40, upper mold plate flange, 50, guide sleeve of material pipe machine column flange, 60, transition plate of injection unit, 70, material pipe machine column;

[0039] 100, injection unit. DETAILED DESCRIPTION

[0040] The technical scheme of the utility model will be described further in detail below by specific embodiments and in conjunction with the drawings.

[0041] Embodiment 1:

[0042] In Figure 1 、 Figure 2 、 Figure 3 In the embodiment shown in the figure, an electric injection structure comprises a direct-drive electric injection platform 1 arranged in an injection unit 100, the direct-drive electric injection platform 1 is integrally arranged with a lower mold plate 11, a side injection platform frame 12 and a servo motor platform 13, the inner side of the side injection platform frame 12 is arranged with a built-in wire rail 7, and the lower mold plate 11 is integrally arranged with an injection platform seat 17.

[0043] The inner side of the side injection platform frame 12 is arranged with a rail frame 15, and the built-in wire rail 7 is arranged on the rail frame 15, and the rail frame 15 is arranged in an overall L-shaped structure. The rail frame 15 is arranged on the inner side of the side injection platform frame, and the built-in wire rail is arranged on the rail frame, so that the built-in wire rail can be arranged, and the maintenance and replacement operation of the built-in wire rail can be conveniently realized. The slide block is arranged on the built-in wire rail, which facilitates the up and down movement of the oil motor seat driven by the slide block, and realizes the direct-drive injection operation.

[0044] In order to effectively limit the movement stroke of the slide block, the built-in wire rail 7 is arranged with a slide block 71. The built-in wire rail 7 is arranged with a limiting block 72. The built-in wire rail 7 is slidably connected with an oil motor seat 8.

[0045] In order to facilitate the vertical installation of the injection servo motor, the servo motor platform 13 is arranged with an injection servo motor mounting hole 130, and the servo motor platform 13 is integrally arranged with a transmission bearing seat 14 on the lower plate surface, and the transmission bearing seat is coaxially arranged with the injection servo motor mounting hole 130. The transmission bearing seat is arranged to facilitate the rotation connection of the lead screw assembly and the injection servo motor, and to realize the rotation of the lead screw assembly by the injection servo motor.

[0046] The inside of the injection platform seat 17 is arranged with a screw rod barrel through hole 18, and the side of the injection platform seat 17 is arranged with a storage seat injection hole 19.

[0047] The lower mold plate 11 is also provided with a plurality of machine column through holes 16. The machine column through hole 16 is internally provided with a pipe machine column flange guide sleeve 50 for realizing pipe machine column guide.

[0048] The side ejection table frame 12 is provided with a hollow structure 124. The hollow structure greatly reduces the weight, reduces the installation difficulty, and reduces the cost of parts without affecting the working condition requirements. Moreover, the internal structure and components of the plastic machine are more clearly visible, which is convenient for operators to perform daily maintenance and troubleshooting.

[0049] The electric ejection structure is integrally integrated with the lower mold plate 11, the side ejection table frame 12 and the servo motor table plate 13 on the direct drive electric ejection table 7, which can realize the universality of the direct drive electric ejection table 7 and can adapt to various different machine types. It is not necessary to set up an ejection table for each component. When in use, only various parts are installed and designed on the direct drive electric ejection table, for example, the feeding motor 61 is connected with the oil motor seat 8 through the feeding motor adjusting plate 67, which can move up and down with the motor seat. It is convenient and fast to install, occupies small space, and makes the ejection table structure simple.

[0050] The built-in wire rail 7 is arranged inside the direct drive electric ejection table, which avoids the problems of large space occupation and influence on the operation space caused by arranging the wire rail outside the ejection table. Moreover, the built-in wire rail 7 can realize the neat arrangement of the whole machine outside.

[0051] The ejection table seat 17 is directly integrated on the lower mold plate 11, which is used to realize the butt joint of the screw barrel assembly and the hopper seat assembly. It does not need to consider the installation position and butt joint problem. Only the discharge pipe needs to be butt jointed with the hole position on the ejection table seat. At the same time, it can adapt to the universal design of screw barrel assemblies of various machine types.

[0052] Embodiment 2:

[0053] In Figure 4 , Figure 5 In the embodiment shown, an electric ejection structure includes a direct drive electric ejection table 1 arranged in an ejection unit 100, and further includes a screw barrel assembly 2, a lead screw assembly 3, a transmission shaft 4, an ejection servo motor 5, and a storage and feeding assembly 6.

[0054] As shown in Figure 9 , the screw barrel assembly 2 includes a screw 21, a barrel 22, a nozzle 23, and a heating assembly 25. The side wall of the barrel is provided with a feeding cavity 24.

[0055] The lead screw assembly 3 includes a transmission lead screw 31 and a lead screw sleeve 32.

[0056] The storage feeding assembly 6 comprises a feeding motor 61, a driving pulley 62, a storage pulley 63, a synchronous belt 64 and a hopper seat assembly, wherein the hopper seat assembly comprises a hopper 65 and a discharge pipe 66.

[0057] The direct drive electric injection platform 1 adopts an integrated frame structure, and comprises a lower mold plate 11 arranged at the bottom, side injection platform frames 12 arranged at both sides and a servo motor platform plate 13 arranged at the top.

[0058] The servo motor platform plate 13 is integrally arranged downward on the lower plate surface, and a transmission bearing seat 14 is arranged on the lower plate surface.

[0059] The output shaft of the injection servo motor 5 vertically extends downward through the injection servo motor mounting hole 130, and the lower end of the output shaft is connected with the lead screw assembly 3 and can drive the lead screw assembly 3 to rotate.

[0060] The side injection platform frames 12 are slidably arranged on the inner side of the side injection platform frames 12.

[0061] The transmission lead screw 31 is vertically arranged downward, and the lower end of the lead screw assembly 3 close to the oil motor seat 8 is provided with a weighing sensor 9.

[0062] As shown in Figure 4 , Figure 9 The transmission shaft 4 is coaxially arranged with the lead screw assembly 3 inside the oil motor seat 8. The upper end of the transmission shaft 4 is rotatably connected with the oil motor seat 8, and the lower end of the transmission shaft 4 is fixedly connected with the upper end of the screw rod 21 in the screw rod barrel assembly 2 through a screw rod fixing half ring 41, and can drive the screw rod 21 to rotate and move up and down to realize feeding. The transmission shaft 4 is further provided with the storage pulley 63 on the outer circumference of the end connected with the screw rod 21.

[0063] As shown in Figure 1 , Figure 2 The side injection platform frames 12 comprise side frames 121 and center frames 122, and are horizontally provided with horizontal frames 123, and the horizontal frames 123 form hollow structures 124 with the center frames 121 and the side frames 122, and with the side edges of the lower mold plate 11 and the servo motor platform plate 13, respectively.

[0064] The inner side of the center frame 121 is provided with rail frames 15 symmetrically arranged respectively, and the built-in rail 7 is arranged on the rail frame 15, and the built-in rail 7 is arranged in the vertical direction. The sliding block 71 is arranged on the built-in rail 7 in a sliding manner, and the oil motor seat 8 is adjustably fixedly connected with the sliding block 71. The upper end of the built-in rail 7 is provided with a limiting block 72 respectively.

[0065] As shown in Figure 8 , the center position of the oil motor seat 8 is provided with a seat hole 81, and the upper part of the oil motor seat 8 is connected with the weighing sensor 9.

[0066] The oil motor seat 8 is provided with a feeding motor adjusting plate support 82 extending outward, the feeding motor 61 is connected with the oil motor seat 8 through a feeding motor adjusting plate 67 fixed on the feeding motor adjusting plate support 82, and the feeding motor 61 is driven to move up and down together with the oil motor seat 8 through the up and down sliding of the oil motor seat 8.

[0067] As shown in Figure 4 , Figure 5 , the output shaft of the feeding motor 61 is arranged vertically downward below the feeding motor adjusting plate 67, the driving pulley 62 is arranged on the output shaft of the feeding motor 61, the storage pulley 63 is arranged on the transmission shaft 4 below the oil motor seat 8, the synchronous belt 64 is wound on the driving pulley 62 and the storage pulley 63, and the feeding motor 61 drives the driving pulley 62 to rotate, and then drives the storage pulley 63 to rotate through the synchronous belt 64, so as to drive the transmission shaft 4 to rotate and then drive the screw rod 21 to rotate, thereby realizing the feeding and storage operation.

[0068] The lower mold plate 11 is arranged on the inner side of the two side part shooting platform frames 12, the machine column through hole 16 is arranged on the four corners of the lower mold plate 11 close to the side part shooting platform frame 12, and the material pipe machine column flange guide sleeve 50 is arranged downward in the machine column through hole 16.

[0069] The shooting platform seat 17 is arranged at the center position of the lower mold plate 11, the screw rod barrel through hole 18 is arranged in the shooting platform seat 17 in a direction perpendicular to the plate surface of the lower mold plate, the storage seat injection hole 19 is arranged obliquely on the side surface of the shooting platform seat 17, and the storage seat injection hole 19 is arranged opposite to the feeding cavity 24 of the screw rod barrel assembly.

[0070] The storage seat injection hole 19 is connected with the hopper seat assembly, the hopper seat assembly includes the hopper 65 and the discharge pipe 66 connected with the discharge port of the lower part of the hopper, the discharge pipe 66 is arranged obliquely, and the lower end of the discharge pipe 66 is sealingly connected with the storage seat injection hole 19.

[0071] The lower die plate 11 of the direct drive electric injection platform 1 is provided below with an injection unit transition plate 60, and four material pipe machine columns 70 and two groups of seat cylinder assemblies 10 are vertically upwardly arranged on the injection unit transition plate 60. The material pipe machine column 70 extends upwardly through the material pipe machine column flange guide sleeve 50 to the inner side of the direct drive electric injection platform 1 and can slide up and down along the material pipe machine column flange guide sleeve 50 to realize a guiding function.

[0072] The seat cylinder sleeve 101 of the seat cylinder assembly 10 is fixedly connected to the lower plate surface of the lower die plate 11, and the seat cylinder core shaft 102 of the seat cylinder assembly is vertically downwardly connected to the injection unit transition plate 60. When the seat cylinder assembly 10 works, it can drive the direct drive electric injection platform 1 to move up and down, thereby realizing a direct drive injection operation.

[0073] The electric injection structure adopts an integrated direct drive electric injection platform 1, which is arranged in an integrated structure to enhance the use strength and service life of the entire injection structure. Meanwhile, in order to reduce the weight of the entire machine, the direct drive electric injection platform 1 is arranged in a hollow structure, which greatly reduces the weight, reduces the installation difficulty, and reduces the cost of parts on the premise of not affecting the working condition requirements. The internal structure and components of the plastic machine are more clear and visible, which is convenient for operators to carry out daily maintenance and fault diagnosis.

[0074] The built-in wire rail 7 is arranged on the inner side of the direct drive electric injection platform 1, and the oil motor seat 8 is arranged in a built-in matching structure, thereby reducing the structure of the outward extension of the oil motor seat, and then the setting position between the feeding motor 61 and the direct drive electric injection platform 1 can be closer to the inner side, that is, the external space can be saved, more operation space can be provided, and the adjustment and operation can be more flexible during the injection molding process. Meanwhile, the transmission distance between the driving pulley 62 and the storage pulley 63 can be reduced, and the transmission efficiency can be improved. Since the oil motor seat 8 is slidably connected to the built-in wire rail 7 on the inner side of the direct drive electric injection platform 1, the external structure of the entire injection unit is simple.

[0075] The injection platform seat 17 is integrally arranged on the upper die plate of the direct drive electric injection platform 1, and the screw barrel assembly 2 and the discharge pipe 66 are not separately arranged for docking connection and sealing structure. Only the barrel 22 in the screw barrel assembly 2 is arranged to match the screw barrel through hole 18 on the injection platform seat 17 for installation and use. Meanwhile, only the discharge pipe and the storage seat injection hole 19 on the injection platform seat 17 are sealed and docked to complete the installation, which can adapt to screw barrel assemblies 2 and hopper seats of various machine models, and realizes the universal setting of the direct drive electric injection platform.

[0076] In addition, since the direct drive electric injection platform 1 is universally set, the oil motor seat 8 can also be set as a universal part, which can effectively reduce the high cost and low efficiency caused by setting different oil motor seats for the same machine model.

[0077] The electric ejection structure in the above embodiment adopts a direct-drive electric ejection table, and a built-in wire rail is arranged in the ejection table, so that external space is saved, a larger operation space is provided for the injection molding process, flexible adjustment and operation are realized, the structure is simple, installation is convenient, the structure is compact, and more importantly, universal design is realized, and various different machine types can be adapted.

[0078] The above embodiments are only part of the embodiments of the present application, not all embodiments. Meanwhile, based on the embodiments described in the present application, all other embodiments obtained by those skilled in the art on the basis of the technical solutions of the present application without creative labor shall belong to the protection scope of the present application.

Claims

1. An electrically powered ejection structure, characterized by: Including the direct drive electric shooting platform (1) arranged in the shooting unit (100), the direct drive electric shooting platform (1) is integrally arranged with the lower die plate (11), the side shooting platform frame (12) and the servo motor platform (13), the inside of the side shooting platform frame (12) is provided with the built-in wire rail (7), the lower die plate (11) is integrally provided with the shooting platform seat (17).

2. The electrically powered ejection structure of claim 1, wherein: The inside of the side shooting platform frame (12) is provided with the rail frame (15), the built-in wire rail (7) is arranged on the rail frame (15), and the built-in wire rail (7) is provided with the sliding block (71).

3. The electrically powered ejection structure of claim 2, wherein: The built-in wire rail (7) is provided with the limiting block (72).

4. The electrically powered ejection structure of claim 1, wherein: The servo motor platform (13) is provided with the shooting servo motor mounting hole (130), the servo motor platform (13) is integrally provided with the transmission bearing seat (14) on the lower plate surface, and the transmission bearing seat (14) is coaxially arranged with the shooting servo motor mounting hole (130).

5. The electrically powered ejection structure of claim 1, wherein: The inside of the shooting platform seat (17) is provided with the screw rod barrel through hole (18), and the side of the shooting platform seat (17) is provided with the storage seat shooting hole (19).

6. The electrically powered ejection structure of claim 1, wherein: The lower die plate (11) is further provided with a plurality of machine column through holes (16).

7. The electrically powered ejection structure of claim 6, wherein: The inside of the machine column through hole (16) is provided with the pipe machine column flange guide sleeve (50) for realizing the pipe machine column guide.

8. The electrically powered ejection structure of any one of claims 1 to 7, wherein: The side shooting platform frame (12) is provided with the hollow structure (124).

9. The electrically powered ejection structure of any one of claims 1 to 7, wherein: The built-in wire rail (7) is slidably connected with the oil motor seat (8).

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