CN212385857U

CN212385857U - Multi-station vertical injection molding machine

Info

Publication number: CN212385857U
Application number: CN202020988707.9U
Authority: CN
Inventors: 袁斯朗; 胡建松
Original assignee: Wuxi Weifu Engineering Plastics Co ltd
Current assignee: Wuxi Weifu Engineering Plastics Co ltd
Priority date: 2020-06-02
Filing date: 2020-06-02
Publication date: 2021-01-22
Anticipated expiration: 2030-06-02

Abstract

The utility model relates to a multi-station vertical injection molding machine; the method is characterized in that: the injection molding device comprises a moving device, a bottom frame, a rotary table rotationally arranged on the bottom frame, a lower mold body arranged around the rotary table, an injection molding mechanism for injecting raw materials, an upper mold body arranged at a discharge port of the injection molding mechanism and a stabilizing device for propping against the rotary table; the moving device drives the injection molding mechanism and the upper mold body to be close to the lower mold body; the stabilizing device is disposed within the chassis. The problem of the injection molding system that current scheme caused need take out the finished product after the completion of moulding plastics and carry out the injection molding again next time and reduce injection molding efficiency and the less cooperation of going up mould and the unable firm cooperation of lower mould of holding down pressure that the moving system provided and influence injection molding quality etc. is solved.

Description

Multi-station vertical injection molding machine

Technical Field

The utility model relates to an injection molding machine, concretely relates to vertical injection molding machine of multistation.

Background

Generally, plastic is one of the most common materials in daily life, and there are many processing techniques for plastic, and injection molding is one of the more common materials. Injection molding is a method of using an injection molding machine to inject thermoplastic melt into a mold under high pressure, and obtaining a product after cooling and solidification. The existing vertical injection molding machine has certain defects, and after once injection molding of the vertical injection molding machine is completed, a finished product needs to be taken out for next injection molding, so that the injection molding efficiency is low, and how to solve the problem becomes very important.

Existing solutions include mobile systems and injection molding systems. The injection molding system adopts a motor to drive a screw rod to rotate along an injection pipeline, and the raw materials are heated by a heating device to complete injection molding. The moving system adopts an oil cylinder to drive the injection molding system to move. Such a solution has the following problems: (1) after the injection molding of the injection molding system is finished, a finished product needs to be taken out for the next injection molding, so that the injection molding efficiency is reduced; (2) the pushing down force that moving system provided is less, goes up the unable firm cooperation of mould and lower mould, influences the quality of moulding plastics.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a vertical injection molding machine of multistation to injection molding system need take out the finished product after accomplishing of moulding plastics and mould plastics again and carry out the lower time and mould plastics and reduce the lower pressure that injection molding efficiency and moving system provided and go up the unable firm cooperation influence injection molding quality scheduling problem of mould and lower mould in solution prior art.

The utility model discloses the technical scheme who adopts as follows:

a multi-station vertical injection molding machine;

the injection molding device comprises a moving device, a bottom frame, a rotary table rotationally arranged on the bottom frame, a lower mold body arranged around the rotary table, an injection molding mechanism for injecting raw materials, an upper mold body arranged at a discharge port of the injection molding mechanism and a stabilizing device for propping against the rotary table; the moving device drives the injection molding mechanism and the upper mold body to be close to the lower mold body; the stabilizing device is disposed within the chassis.

The further technical scheme is as follows: the injection molding mechanism comprises a material barrel for storing raw materials, an injection pipeline arranged on the moving device, a first screw rod rotationally arranged in the injection pipeline, a first power device for driving the first screw rod to rotate and a heating device for heating the raw materials; the first power device is arranged on the mobile device; the heating device is arranged around the injection pipeline; the charging barrel is communicated with the injection pipeline.

The further technical scheme is as follows: the heating device comprises a heating pipe connected with a power supply and heat transfer sheets which are arranged on the heating pipe in parallel and obliquely; the heat transfer sheet is connected with the injection pipeline; the heating pipe is disposed around the injection pipe.

The further technical scheme is as follows: the moving device comprises a mounting frame, a moving frame, a fixing frame, a primary power device arranged on the fixing frame and a secondary power device arranged on the moving frame; the injection molding mechanism is arranged on the mounting frame; the secondary power device drives the mounting frame, the injection molding mechanism and the upper die body to be close to the lower die body; the first-level power device drives the mounting frame, the injection molding mechanism, the moving frame, the second-level power device and the upper die body to be close to the lower die body.

The further technical scheme is as follows: the fixed frame is provided with a guide post; a bearing is arranged on the movable frame; the guide post penetrates through the bearing; the moving frame moves along the guide post.

The further technical scheme is as follows: the fixing frame comprises a fixing plate, side supporting columns for supporting the fixing plate and main supporting columns for supporting the fixing plate; the side supporting columns are arranged on the bottom frame in parallel; the main supporting column is arranged on the underframe; the main supporting column penetrates through the rotary disc; the turntable rotates around the main support column.

The further technical scheme is as follows: the driving device is used for driving the turntable to rotate; the driving device comprises a gear, a second power device for driving the gear to rotate and a tooth form arranged around the turntable; the gear is meshed with the tooth profile; the gear is arranged at the driving end of the second power device.

The further technical scheme is as follows: the stabilizing device comprises a stabilizing frame, a top bead which props against the rotary table, a top groove which is formed on the rotary table and a second screw which pushes the top bead to be embedded into the top groove; the second screw is in threaded connection with the stabilizing frame; one end of the second screw rod, which is close to the top bead, is provided with a bead groove; the top bead is arranged in the bead groove in a rolling manner.

The utility model has the advantages as follows: the utility model discloses a vertical injection molding machine of multistation adopts drive arrangement drive carousel rotatory, can accomplish the switching of die body down. And driving the injection molding mechanism and the upper mold body to be close to the lower mold body by adopting a moving device. The multi-station vertical injection molding machine has the following effects: (1) the height of the top bead can be adjusted by screwing the second screw rod, and the swing of the turntable can be inhibited by adjusting the top bead when the turntable rotates; (2) the lower die body is arranged around the upper surface of the turntable, and the turntable is driven to rotate by the driving device, so that the switching of the lower die body can be completed, the continuity of injection molding is ensured, and the injection molding efficiency is improved; (3) the primary power device and the secondary power device provide stronger downward pressure for the injection molding mechanism, so that the upper mold body and the lower mold body can be firmly matched, and the injection molding quality is improved; (4) the heating pipe heats the raw materials after heating through the heat transfer piece with heat transfer to the injection pipeline, makes the heating pipe can be heated fast through heating device, has shortened the heat time of raw materials.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged view of a point a in fig. 1.

In the figure: 1. a chassis; 2. a turntable; 3. a lower die body; 4. an injection molding mechanism; 41. an injection pipe; 42. a first screw; 43. a first power unit; 44. a heating device; 45. heating a tube; 46. a heat transfer sheet; 47. a charging barrel; 5. feeding a mold body; 51. a fixing plate; 52. side support columns; 53. a main support column; 6. a mobile device; 61. a fixed mount; 62. a movable frame; 63. a mounting frame; 64. a primary power plant; 65. a secondary power plant; 66. a guide post; 67. a bearing; 7. a stabilizing device; 71. a stabilizer frame; 72. a top bead; 73. a top groove; 74. a second screw; 75. a bead groove; 8. a drive device; 81. a gear; 82. a second power unit; 83. tooth shape.

Detailed Description

The following describes a specific embodiment of the present embodiment with reference to the drawings.

Fig. 1 is a schematic structural diagram of the present invention. Fig. 2 is an enlarged view of a point a in fig. 1. Referring to fig. 1 and 2, the utility model discloses a multi-station vertical injection molding machine. The direction of X in the figure does the utility model discloses structure schematic's upper end, the direction of Y in the figure does the utility model discloses structure schematic's right-hand member. The multi-station vertical injection molding machine comprises a moving device 6, an underframe 1, a rotary table 2 rotationally arranged on the underframe 1, a lower mold body 3 arranged around the rotary table 2, an injection molding mechanism 4 for injecting raw materials, an upper mold body 5 arranged at a discharge port of the injection molding mechanism 4 and a stabilizing device 7 for propping against the rotary table 2. The moving device 6 drives the injection mechanism 4 and the upper mold body 5 to approach the lower mold body 3. The stabilizing device 7 is arranged in the chassis 1.

The stabilizing device 7 comprises a stabilizing frame 71, a top ball 72 which is pressed against the rotary disc 2, a top groove 73 which is arranged on the rotary disc 2 and a second screw 74 which pushes the top ball 72 to be embedded into the top groove 73. The second screw 74 is screwed to the stabilizer 71. One end of the second screw 74 close to the top ball 72 is provided with a ball groove 75. The top bead 72 is arranged to roll in the bead groove 75.

Preferably, the top bead 72 is spherical. Preferably, the bead groove 75 is a circular arc groove. A bead groove 75 is opened on the upper surface of the second screw 74. The lower end of the outer surface of the top bead 72 abuts the inner surface of the bead groove 75. The top groove 73 is opened in the lower surface of the turntable 2. The top groove 73 is open around the lower surface of the turntable 2. The upper end of the top bead 72 is fitted into the top groove 73. The upper end of the outer surface of the top bead 72 abuts the inner surface of the top groove 73. The contact area of the top bead 72 and the rotary disc 2 is small, and damage to the rotary disc 2 is avoided. The top groove 73 limits the top bead 72, and avoids the position deviation of the top bead 72.

The top bead 72 can be height adjusted by turning the second screw 74. When the turntable 2 rotates, the turntable 2 can rotate and swing, and the swing of the turntable 2 can be restrained by adjusting the top ball 72.

The multi-station vertical injection molding machine also comprises a driving device 8 for driving the turntable 2 to rotate. The driving means 8 comprise a gear 81, second power means 82 for driving the gear 81 in rotation and a toothing 83 opening around the turntable 2. The gear 81 meshes with the tooth 83. A gear 81 is provided at the drive end of the second power means 82.

Preferably, the rotating disc 2 is cylindrical. Preferably, the second motive device 82 is an electric motor. The tooth 83 is formed around the outer circumferential surface of the turntable 2. The gear 81 is located on the right side of the turntable 2. The left end of the gear 81 is engaged with the right end of the turntable 2. The second power unit 82 is disposed in the vertical direction. The upper end of the second power means 82 is the drive end of the second power means 82. A gear 81 is provided at the upper end of the second power unit 82.

The second power means 82 is an electric motor, the choice of the type of motor being well known. The skilled person can choose the type of motor 2TK3GN-CP, for example, depending on the operation of the device.

Preferably, the lower mold body 3 is plural. The lower die body 3 is arranged around the upper surface of the rotating disc 2. The driving device 8 drives the rotary table 2 to rotate, so that the switching of the lower die body 3 can be completed, the continuity of injection molding is ensured by the rotary table 2, and the injection molding efficiency is improved.

The moving device 6 comprises a mounting frame 63, a moving frame 62, a fixing frame 61, a primary power device 64 arranged on the fixing frame 61 and a secondary power device 65 arranged on the moving frame 62. The injection mechanism 4 is provided on the mounting bracket 63. The secondary power device 65 drives the mounting frame 63, the injection molding mechanism 4 and the upper mold body 5 to be close to the lower mold body 3. The primary power device 64 drives the mounting frame 63, the injection molding mechanism 4, the moving frame 62, the secondary power device 65 and the upper mold body 5 to be close to the lower mold body 3.

The fixing frame 61 is provided with a guide post 66. The moving frame 62 is provided with a bearing 67. The guide post 66 passes through a bearing 67. The moving frame 62 moves along the guide post 66.

The fixing frame 61 includes a fixing plate 51, side support columns 52 supporting the fixing plate 51, and main support columns 53 supporting the fixing plate 51. The side support columns 52 are juxtaposed on the base frame 1. The main support column 53 is provided on the base frame 1. The main support column 53 passes through the turntable 2. The turntable 2 rotates around the main support column 53.

Preferably, the primary power means 64 is a hydraulic cylinder. Preferably, the secondary power means 65 is a hydraulic cylinder. A primary power unit 64 is provided at the upper end of the fixed plate 51. The primary power unit 64 is disposed in the vertical direction. The lower end of the primary power unit 64 is connected to the fixed plate 51. The upper end of the primary power device 64 is connected with the movable frame 62.

Preferably, there are two side support posts 52. The side support columns 52 are respectively provided on the left and right sides of the front end of the fixed plate 51. The lower ends of the side support columns 52 are connected to the base frame 1. The upper ends of the side support columns 52 are connected with the fixing plate 51. The main support column 53 is provided at the rear end of the fixed plate 51. The lower ends of the main support columns 53 are connected to the base frame 1. The upper ends of the main support columns 53 are connected with the fixing plate 51. The outer surface of the main support column 53 passes through the turntable 2, and the turntable 2 rotates around the outer surface of the main support column 53.

Preferably, the guide post 66 is cylindrical. Preferably, the bearing 67 is a linear bearing. Preferably, there are two guide posts 66. The guide posts 66 are respectively provided at left and right sides of the upper end of the fixed plate 51. The lower ends of the guide posts 66 are connected to the fixed plate 51. The upper end of the guide post 66 passes through a bearing 67. The moving frame 62 moves up and down along the guide post 66.

Preferably, there are two secondary power plants 65. The secondary power units 65 are disposed at left and right sides of the upper end of the moving frame 62. The secondary power unit 65 is disposed in the vertical direction. The upper end of the secondary power means 65 is the drive end of the secondary power means 65. The lower end of the secondary power device 65 is connected with the upper end of the movable frame 62. The upper end of the secondary power device 65 is connected with the lower end of the mounting frame 63.

The one-level power device 64 and the two-level power device 65 provide stronger downward pressure for the injection molding mechanism 4, so that the upper mold body 5 and the lower mold body 3 can be firmly matched, and the injection molding quality is improved.

The primary power means 64 is a hydraulic cylinder, the choice of type of cylinder being common knowledge. The skilled person can select the type of hydraulic cylinder, for example MOB63 x 800, according to the working conditions of the device.

The secondary power means 65 is a hydraulic cylinder, the choice of type of hydraulic cylinder being common knowledge. The skilled person can select the type of hydraulic cylinder, for example MOB63 x 300, according to the working conditions of the device.

The injection mechanism 4 includes a barrel 47 storing the raw material, an injection duct 41 provided on the moving device 6, a first screw 42 rotatably provided in the injection duct 41, a first power device 43 driving the first screw 42 to rotate, and a heating device 44 heating the raw material. The first power means 43 is provided on the moving means 6. The heating device 44 is arranged around the injection pipe 41. The cartridge 47 communicates with the injection conduit 41.

Preferably, the first power device 43 is an electric motor. The upper end of the cartridge 47 is connected to the lower end of the mounting frame 63, and the first power unit 43 is disposed at the upper end of the mounting frame 63. The first power unit 43 is disposed in the vertical direction. The cartridge 47 is disposed in the vertical direction. The first screw 42 is vertically disposed in the barrel 47. The lower end of the first power means 43 is the drive end of the first power means 43. The driving end of the first power means 43 passes through the mounting bracket 63 and the driving end of the first power means 43 is connected to the upper end of the first screw rod 42.

The rear side of the upper end of the injection conduit 41 communicates with the lower end of the cartridge 47. The raw material stored in the barrel 47 enters the injection conduit 41 from the lower end of the barrel 47. The heating means 44 is arranged around the outer surface of the injection pipe 41. The feedstock is heated in the injection conduit 41.

The first power means 43 is an electric motor, and the selection of the type of the electric motor is common knowledge. Those skilled in the art can select the motor based on the operation of the device, such as the 5IK120RGU-CF motor.

The heating device 44 comprises a heating tube 45 connected with a power supply and a heat transfer sheet 46 which is arranged on the heating tube 45 in parallel and slantwise. The heat transfer fins 46 are connected to the injection pipe 41. The heating pipe 45 is disposed around the injection pipe 41.

The heating pipe 45 is disposed around the outer surface of the injection pipe 41. The heat transfer fins 46 are arranged side by side on the outer surface of the heating pipe 45. After the heating pipe 45 is heated, the heat is transferred to the injection pipe 41 through the heat transfer sheet 46 to heat the raw material. The heating tube 45 can be heated rapidly by the heating device 44, and the heating time of the raw material is shortened.

The first power unit 43 rotates the first screw 42, and the raw material moves from top to bottom along the injection pipe 41. The lower end of the injection pipeline 41 is a discharge hole of the injection mechanism 4. The upper end of the upper mold body 5 is connected to the lower end of the injection pipe 41. The moving device 6 drives the injection mechanism 4 and the upper mold body 5 to move downwards, and the upper mold body 5 is matched with the lower mold body 3. And injecting the heated raw materials into the upper die body 5 and the lower die body 3 to complete injection molding.

In the present embodiment, the bead groove 75 is described as an arc groove, but the present invention is not limited thereto, and may be a bead groove having another shape within a range capable of exhibiting its function.

In the present embodiment, the second power unit 82 is described as a motor, but the present invention is not limited thereto, and may be another power unit within a range capable of functioning.

In the present embodiment, the primary power unit 64 is described as a hydraulic cylinder, but the present invention is not limited thereto, and other power units may be used as long as the functions thereof can be exerted.

In the present embodiment, the secondary power unit 65 is described as a hydraulic cylinder, but the present invention is not limited thereto, and may be another power unit within a range capable of functioning.

In the present embodiment, the bearing 67 is described as a linear bearing, but is not limited thereto, and may be another bearing within a range capable of functioning.

In the present embodiment, the first power unit 43 is described as a motor, but the present invention is not limited thereto, and may be another power unit within a range capable of functioning.

In the present specification, terms such as "spherical" and "cylindrical" are used, and they are not exactly "spherical" and "cylindrical" and may be in the state of "substantially spherical" and "substantially cylindrical" within a range capable of exerting their functions.

In the present specification, the number of "two" or "plural" is used, but the present invention is not limited thereto, and other numbers may be used as long as the functions are exhibited.

In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made without departing from the basic structure of the invention.

Claims

1. The utility model provides a vertical injection molding machine of multistation which characterized in that: the injection molding device comprises a moving device (6), an underframe (1), a turntable (2) rotationally arranged on the underframe (1), a lower mold body (3) arranged around the turntable (2), an injection molding mechanism (4) for injecting raw materials, an upper mold body (5) arranged at a discharge hole of the injection molding mechanism (4) and a stabilizing device (7) for propping against the turntable (2); the moving device (6) drives the injection molding mechanism (4) and the upper die body (5) to be close to the lower die body (3); the stabilizing device (7) is arranged in the base frame (1).

2. A multi-station vertical injection molding machine according to claim 1, characterized in that: the injection molding mechanism (4) comprises a material barrel (47) for storing raw materials, an injection pipeline (41) arranged on the moving device (6), a first screw (42) rotatably arranged in the injection pipeline (41), a first power device (43) for driving the first screw (42) to rotate and a heating device (44) for heating the raw materials; the first power device (43) is arranged on the moving device (6); said heating means (44) being arranged around said injection duct (41); the barrel (47) communicates with the injection conduit (41).

3. A multi-station vertical injection molding machine according to claim 2, characterized in that: the heating device (44) comprises a heating pipe (45) connected with a power supply and heat transfer sheets (46) which are arranged on the heating pipe (45) in parallel and in an inclined manner; the heat transfer sheet (46) is connected with the injection pipeline (41); the heating pipe (45) is disposed around the injection pipe (41).

4. A multi-station vertical injection molding machine according to claim 1, characterized in that: the moving device (6) comprises a mounting frame (63), a moving frame (62), a fixed frame (61), a primary power device (64) arranged on the fixed frame (61) and a secondary power device (65) arranged on the moving frame (62); the injection molding mechanism (4) is arranged on the mounting frame (63); the secondary power device (65) drives the mounting frame (63), the injection molding mechanism (4) and the upper die body (5) to be close to the lower die body (3); the primary power device (64) drives the mounting frame (63), the injection molding mechanism (4), the moving frame (62), the secondary power device (65) and the upper die body (5) to be close to the lower die body (3).

5. The multi-station vertical injection molding machine according to claim 4, wherein: the fixed frame (61) is provided with a guide post (66); a bearing (67) is arranged on the moving frame (62); the guide post (66) passes through the bearing (67); the moving frame (62) moves along the guide post (66).

6. A multi-station vertical injection molding machine according to claim 5, characterized in that: the fixing frame (61) comprises a fixing plate (51), side supporting columns (52) for supporting the fixing plate (51) and main supporting columns (53) for supporting the fixing plate (51); the side supporting columns (52) are arranged on the underframe (1) in parallel; the main supporting column (53) is arranged on the underframe (1); the main supporting column (53) penetrates through the rotary table (2); the turntable (2) rotates around the main support column (53).

7. A multi-station vertical injection molding machine according to claim 1, characterized in that: the device also comprises a driving device (8) for driving the turntable (2) to rotate; the driving device (8) comprises a gear (81), a second power device (82) for driving the gear (81) to rotate and a tooth form (83) arranged around the turntable (2); the gear (81) is meshed with the tooth form (83); the gear (81) is arranged at the driving end of the second power device (82).

8. A multi-station vertical injection molding machine according to claim 1, characterized in that: the stabilizing device (7) comprises a stabilizing frame (71), a top bead (72) which is propped against the rotary table (2), a top groove (73) which is formed in the rotary table (2), and a second screw (74) which pushes the top bead (72) to be embedded into the top groove (73); the second screw (74) is in threaded connection with the stabilizing frame (71); one end of the second screw rod (74) close to the top bead (72) is provided with a bead groove (75); the top bead (72) is arranged in the bead groove (75) in a rolling mode.