CN116551914A

CN116551914A - Injection molding machine

Info

Publication number: CN116551914A
Application number: CN202310528915.9A
Authority: CN
Inventors: 顾文权
Original assignee: Pana Precision Molding Nantong Co ltd
Current assignee: Pana Precision Molding Nantong Co ltd
Priority date: 2023-05-11
Filing date: 2023-05-11
Publication date: 2023-08-08

Abstract

The invention belongs to the technical field of injection molding equipment, and discloses an injection molding machine which comprises a machine body, wherein a supporting seat is fixedly arranged on the right side of the middle part of the top end of the machine body, an injection molding cylinder is fixedly arranged on the top end of the supporting seat, and an injection molding head is fixedly communicated with the middle part of the left end of the injection molding cylinder. According to the invention, the first baffle, the first driving motor and the driving shaft are arranged, the driving shaft is enabled to rotate to drive the gear to rotate due to the operation of the first driving motor, and the supporting plate is further enabled to rotate integrally due to the meshing relationship between the gear and the outer surface of the supporting plate, so that the supporting plate and the first baffle are enabled to be dislocated and aligned continuously, the charging hopper is closed and opened, the heated gas in the supporting seat is enabled to be well discharged, the entry of external cold air is reduced, and meanwhile, the charging hopper is also closed when the device is idle, so that the entry of external dust is avoided.

Description

Injection molding machine

Technical Field

The invention belongs to the technical field of injection molding equipment, and particularly relates to an injection molding machine.

Background

The principle of the injection molding machine is similar to that of an injector for injection molding, plastic in a plasticized molten state is injected into a corresponding mold to perform injection molding treatment by utilizing the thrust of a screw, corresponding injection molding channels are arranged on the existing injection molding machine, the plastic is added into a hopper and then enters the channels, the screw is utilized to push the plastic to perform injection molding, the plastic in the channels is always required to be subjected to heating treatment, cooling solidification is avoided, gas generated by heating can be discharged through the hopper, the plastic at the rear end of the channels is far away from a heating mechanism, the heating effect is poor, at the moment, cold air outside the hopper can enter the inside to accelerate the solidification of the plastic, and external dust and impurities can enter the channels through the hopper when the device is idle to cause internal pollution, so that the subsequent injection molding quality is influenced, and the injection molding machine is required to be improved.

Disclosure of Invention

The present invention is directed to an injection molding machine, which solves the above-mentioned problems of the prior art.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides an injection molding machine, includes the organism, the right side fixed mounting in organism top middle part has the supporting seat, the top fixed mounting of supporting seat has an injection molding section of thick bamboo, the middle part fixed connection of injection molding section of thick bamboo left end has the head of moulding plastics, the top fixed mounting of organism has the first support frame that is located the head left side of moulding plastics, the left side of moulding plastics the head extends to the inner wall of first support frame, the surface fixed mounting of moulding plastics the head has the hot melt pipe that is located between head and the supporting seat, the right side fixed connection on injection molding section of thick bamboo top has the material bucket of throwing, the bottom fixed mounting of material bucket inner wall has the backup pad, the inner wall activity of material bucket has cup jointed the first baffle that is located the backup pad top, the surface fixed mounting on material bucket right side has the first driving motor that is located the upper right side of first baffle, the one end fixed cup joint of first driving motor output shaft, the surface fixed cup joint of driving shaft bottom has the gear, the gear meshes with the surface of first baffle.

Preferably, the middle part on the right side of the injection molding cylinder is fixedly communicated with a power motor, and one end of an output shaft of the power motor is fixedly sleeved with a bolt conveying shaft.

Preferably, the top movable mounting of organism has the second support frame that is located first support frame left side, the top fixed mounting of organism has the pneumatic cylinder that is located second support frame left side, the right-hand member of pneumatic cylinder and the bottom fixed connection of second support frame left end, the spacing groove that is located second support frame right side below has been seted up at the top of organism.

Preferably, the middle part fixed mounting of second support frame bottom is located the inside stopper of spacing groove, the surface of stopper cup joints with the inner wall activity of spacing groove.

Preferably, the middle parts of the inner sides of the first support frame and the second support frame are respectively movably provided with a fixed die and a movable die, and the inner wall of the first support frame is movably provided with a second baffle plate positioned between the fixed die and the injection molding head.

Preferably, the right side fixed mounting of first support frame has the second driving motor that is located the injection molding head below, the pivot has been fixedly cup jointed to the one end of second driving motor output shaft, the left side of pivot extends to the inner wall of injection molding head and fixed mounting has the plectane.

Preferably, the top of the left end of the circular plate is fixedly provided with a fixed shaft positioned on the inner wall of the bottom end of the second baffle, and the outer surface of the fixed shaft is movably connected with the inner wall of the second baffle.

Preferably, the moving grooves positioned in the front and rear middle parts of the fixed die and the movable die are formed in the inner sides of the first support frame and the fixed die, the limiting columns positioned on the outer sides of the moving plates are fixedly installed on the inner walls of the first support frame and the fixed die, the moving plates are movably sleeved on the outer surfaces of the limiting columns, clamping blocks positioned on the inner walls of the fixed die and the movable die are fixedly installed on the inner sides of the moving plates respectively, connecting springs positioned on the outer surfaces of the limiting columns are fixedly installed on the outer sides of the moving plates, and the other ends of the connecting springs are fixedly connected with the inner walls of the fixed die and the movable die respectively.

Preferably, the top of the inner side of the movable plate is fixedly provided with a triangular plate positioned above the fixed die and the movable die, the top between the triangular plates is movably provided with a push plate positioned on the inner walls of the first support frame and the second support frame, the middle of the inner side of the push plate is fixedly provided with a push block, and the inner side of the push block penetrates through the first support frame and the second support frame respectively.

The beneficial effects of the invention are as follows:

1. according to the invention, the first baffle, the first driving motor and the driving shaft are arranged, the driving shaft is enabled to rotate to drive the gear to rotate due to the operation of the first driving motor, and the supporting plate is further enabled to rotate integrally due to the meshing relationship between the gear and the outer surface of the supporting plate, so that the supporting plate and the first baffle are enabled to be dislocated and aligned continuously, the charging hopper is closed and opened, the heated gas in the supporting seat is enabled to be well discharged, the entry of external cold air is reduced, and meanwhile, the charging hopper is also closed when the device is idle, so that the entry of external dust is avoided.

2. According to the invention, the second baffle plate, the second driving motor and the fixed shaft are arranged, when the injection molding of molten plastic in the injection molding head is completed to the left, the second driving motor can be started at the moment, and the rotating shaft is rotated due to the operation of the second driving motor, so that the circular plate is rotated, the fixed shaft is enabled to push the whole of the second baffle plate upwards until the left end of the injection molding head is completely closed, and at the moment, the plastic between the fixed die and the movable die is prevented from flowing back to the right, and the injection molding quality is prevented from being influenced.

3. According to the invention, the clamping blocks, the connecting springs and the pushing blocks are arranged, the two moving plates and the clamping blocks are pushed to face each other under the elastic force of the connecting springs, so that the two clamping blocks are respectively clamped on the inner walls of the fixed die and the moving die, then the pushing blocks and the pushing plates can be sequentially pushed to integrally downwards, further the two triangular plates, the moving plates and the clamping blocks can be pushed to back to each other, the clamping and fixing effects on the fixed die and the moving die are respectively relieved, and finally the two fixed dies and the moving die can be sequentially detached for replacement treatment so as to facilitate the subsequent injection molding of different products.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic view of the structure of the push plate of the present invention;

FIG. 4 is a schematic diagram of a structure of a fixed die of the invention;

FIG. 5 is a schematic cross-sectional view of the feed hopper of the present invention;

FIG. 6 is a schematic diagram of the structure shown at A in FIG. 2;

fig. 7 is a schematic diagram of the structure at B in fig. 2.

In the figure: 1. a body; 2. a support base; 3. an injection molding cylinder; 4. a hot melt tube; 5. a charging hopper; 6. a support plate; 7. a first baffle; 8. a first driving motor; 9. a drive shaft; 10. a gear; 11. an injection molding head; 12. a first support frame; 13. a power motor; 14. a bolt conveying shaft; 15. a second support frame; 16. a limit groove; 17. a limiting block; 18. a pneumatic cylinder; 19. setting a mold; 20. a movable mold; 21. a second baffle; 22. a second driving motor; 23. a rotating shaft; 24. a circular plate; 25. a fixed shaft; 26. a moving groove; 27. a moving plate; 28. a clamping block; 29. a limit column; 30. a connecting spring; 31. a triangle; 32. a push plate; 33. and pushing the block.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

As shown in fig. 1 to 7, an embodiment of the present invention provides an injection molding machine, including a machine body 1, a supporting seat 2 is fixedly installed on the right side of the middle part of the top end of the machine body 1, an injection molding cylinder 3 is fixedly installed on the top end of the supporting seat 2, an injection molding head 11 is fixedly connected with the middle part of the left end of the injection molding cylinder 3, a first supporting frame 12 located on the left side of the injection molding head 11 is fixedly installed on the top of the machine body 1, the left side of the injection molding head 11 extends to the inner wall of the first supporting frame 12, a hot melting pipe 4 located between the injection molding head 11 and the supporting seat 2 is fixedly installed on the outer surface of the injection molding head 11, a feeding hopper 5 is fixedly connected with the right side of the top end of the injection molding cylinder 3, a supporting plate 6 is fixedly installed at the bottom of the inner wall of the feeding hopper 5, a first baffle 7 located above the supporting plate 6 is movably sleeved on the inner wall of the feeding hopper 5, a first driving motor 8 located on the right upper side of the first baffle 7 is fixedly installed on the outer surface of the output shaft of the first driving motor 8, a driving shaft 9 is fixedly sleeved on one end of the driving shaft 9, a gear 10 is fixedly sleeved on the outer surface of the bottom of the driving shaft 9, and the gear 10 is meshed with the outer surface of the first baffle 7.

The first driving motor 8 can be started first, at this time, the driving shaft 9 will rotate due to the operation of the first driving motor 8 so as to drive the gear 10 to rotate, then the supporting plate 6 can be driven to rotate integrally due to the meshing connection relationship between the gear 10 and the outer surface of the supporting plate 6, so that the supporting plate 6 and the first baffle 7 are intermittently subjected to dislocation opening and alignment closing treatment, and then, the heated gas in the supporting seat 2 can be well discharged, meanwhile, the entering of external cold air can be reduced so as to accelerate solidification, and the entering of external dust during the idling of the device is avoided.

As shown in fig. 2, the middle part on the right side of the injection molding cylinder 3 is fixedly communicated with a power motor 13, and one end of an output shaft of the power motor 13 is fixedly sleeved with a bolt conveying shaft 14.

Wherein a power motor 13 is provided, and the operation of the power motor 13 causes the bolt conveying shaft 14 to push the plastic inside the hot melting pipe 4 to move leftwards.

As shown in fig. 1 and 2, a second support frame 15 is movably mounted at the top of the machine body 1 and is positioned at the left side of the first support frame 12, a pneumatic cylinder 18 is fixedly mounted at the top end of the machine body 1 and is positioned at the left side of the second support frame 15, the right end of the pneumatic cylinder 18 is fixedly connected with the bottom end of the left end of the second support frame 15, and a limit groove 16 is formed in the top of the machine body 1 and is positioned below the right side of the second support frame 15.

Wherein, a pneumatic cylinder 18 is arranged, and the operation of the pneumatic cylinder 18 can push the whole of the second supporting frame 15 to move rightwards.

As shown in fig. 2, a limiting block 17 positioned in the limiting groove 16 is fixedly installed in the middle of the bottom end of the second supporting frame 15, and the outer surface of the limiting block 17 is movably sleeved with the inner wall of the limiting groove 16.

The limiting groove 16 and the limiting block 17 are arranged, and the second supporting frame 15 can be well limited due to the cooperation between the limiting groove 16 and the limiting block 17.

As shown in fig. 6, the middle parts of the inner sides of the first support frame 12 and the second support frame 15 are respectively movably provided with a fixed mold 19 and a movable mold 20, and the inner wall of the first support frame 12 is movably provided with a second baffle 21 positioned between the fixed mold 19 and the injection molding head 11.

The second baffle 21 is provided, and due to the design of the second baffle 21, a good sealing effect is achieved on the left side of the injection molding head 11, so that backflow of plastic between the fixed mold 19 and the movable mold 20 after injection molding is avoided.

As shown in fig. 6, a second driving motor 22 located below the injection molding head 11 is fixedly installed on the right side of the first supporting frame 12, a rotating shaft 23 is fixedly sleeved at one end of an output shaft of the second driving motor 22, and a circular plate 24 is fixedly installed on the left side of the rotating shaft 23 extending to the inner wall of the injection molding head 11.

Wherein, a second driving motor 22 is provided, and at this time, the rotation shaft 23 is rotated due to the operation of the second driving motor 22, so as to drive the whole of the circular plate 24 to rotate.

As shown in fig. 6, a fixed shaft 25 positioned on the inner wall of the bottom end of the second baffle plate 21 is fixedly installed on the top of the left end of the circular plate 24, and the outer surface of the fixed shaft 25 is movably connected with the inner wall of the second baffle plate 21.

Wherein, a fixed shaft 25 is provided, when the circular plate 24 rotates, the fixed shaft 25 moves circularly on the inner wall of the second baffle 21, so as to drive the whole of the second baffle 21 to move up and down.

As shown in fig. 4, the inner sides of the first support frame 12 and the fixed mold 19 are respectively provided with a moving groove 26 positioned at the front and rear middle parts of the fixed mold 19 and the movable mold 20, the inner walls of the first support frame 12 and the fixed mold 19 are respectively fixedly provided with a limit post 29 positioned at the outer side of a moving plate 27, the outer surfaces of the limit posts 29 are movably sleeved with the moving plate 27, the inner sides of the moving plate 27 are respectively fixedly provided with a clamping block 28 positioned at the inner walls of the fixed mold 19 and the movable mold 20, the outer sides of the moving plate 27 are fixedly provided with a connecting spring 30 positioned at the outer surfaces of the limit posts 29, and the other ends of the connecting springs 30 are respectively fixedly connected with the inner walls of the fixed mold 19 and the movable mold 20.

Wherein, there is provided a connecting spring 30, and at this time, the connecting spring 30 is in a compressed state, so that the moving plate 27 and the clamping block 28 are pushed to face each other, and the fixed die 19 and the moving die 20 are clamped and fixed respectively.

As shown in fig. 3 to 4, a triangle 31 above the fixed mold 19 and the movable mold 20 is fixedly mounted at the top of the inner side of the movable plate 27, a push plate 32 on the inner walls of the first support frame 12 and the second support frame 15 is movably mounted at the top between the triangle 31, a push block 33 is fixedly mounted in the middle of the inner side of the push plate 32, and the inner sides of the push block 33 penetrate through the first support frame 12 and the second support frame 15 respectively.

Wherein, be provided with ejector pad 33, the operating personnel can promote ejector pad 33 in proper order and drive push pedal 32 downwards to drive two set square 31, movable plate 27 and fixture block 28 and be on a back of the body mutually, thereby can remove the fixed action to cover half mould 19 and movable mould 20 in proper order, finally can dismantle the whole fixed mould 19 and movable mould 20 and change the processing.

Working principle and using flow:

firstly, an operator can introduce plastic fluid into the support seat 2 through the charging hopper 5, then can perform heating treatment through the operation of the hot melting pipe 4, can then start the pneumatic cylinder 18 to push the second support frame 15, so that the movable mold 20 and the fixed mold 19 are relatively fixed, and then start the power motor 13, so that the bolt conveying shaft 14 rotates to drive the plastic fluid to the left for injection molding, and then the injection molding head 11 is used for injecting the plastic fluid between the fixed mold 19 and the movable mold 20 for injection molding, meanwhile, the first driving motor 8 can be started, so that the driving shaft 9 drives the gear 10 to rotate, and the support plate 6 and the first baffle 7 are opened and closed in a staggered manner without interruption, so that cold air is reduced while gas can be smoothly discharged.

Then, the second driving motor 22 can be started, so that the rotating shaft 23 rotates to drive the circular plate 24 to rotate, and the fixed shaft 25 moves on the inner wall of the second baffle 21, so that the whole of the second baffle 21 can be pushed upwards, the left side of the injection molding head 11 is closed, plastic backflow is avoided, finally, plastic between the fixed die 19 and the movable die 20 can be waited for cooling and molding, and the pneumatic cylinder 18 is started to drive the second supporting frame 15 to the left, so that a molded product is taken out.

Then, when the operator needs to detach and replace the fixed die 19 and the movable die 20 respectively, at this time, the pushing block 33 can be sequentially pushed to drive the pushing plate 32 to move downwards, so that two sides of the pushing plate 32 push the triangular plate 31, the moving plate 27 and the clamping blocks 28 to be opposite to each other, so that the two clamping blocks 28 are separated from the inner walls of the fixed die 19 and the movable die 20 respectively, finally, the clamping and fixing effect on the movable die 20 of the fixed die 19 can be sequentially released, and then the fixed die 19 and the movable die 20 can be sequentially detached to perform replacement treatment.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Injection moulding machine, comprising a machine body (1), characterized in that: the right side at the middle part of the top end of the machine body (1) is fixedly provided with a supporting seat (2), the top end of the supporting seat (2) is fixedly provided with an injection molding cylinder (3), the middle part at the left end of the injection molding cylinder (3) is fixedly communicated with an injection molding head (11), the top of the machine body (1) is fixedly provided with a first supporting frame (12) positioned at the left side of the injection molding head (11), the left side of the injection molding head (11) extends to the inner wall of the first supporting frame (12), the outer surface of the injection molding head (11) is fixedly provided with a hot melting pipe (4) positioned between the injection molding head (11) and the supporting seat (2), the right side at the top end of the injection molding cylinder (3) is fixedly communicated with a feeding hopper (5), the automatic feeding device is characterized in that a supporting plate (6) is fixedly arranged at the bottom of the inner wall of the feeding hopper (5), a first baffle (7) located above the supporting plate (6) is movably sleeved on the inner wall of the feeding hopper (5), a first driving motor (8) located above the right of the first baffle (7) is fixedly arranged on the outer surface of the right of the feeding hopper (5), a driving shaft (9) is fixedly sleeved at one end of an output shaft of the first driving motor (8), a gear (10) is fixedly sleeved at the outer surface of the bottom end of the driving shaft (9), and the gear (10) is meshed with the outer surface of the first baffle (7).

2. An injection molding machine as claimed in claim 1, wherein: the middle part on the right side of the injection molding cylinder (3) is fixedly communicated with a power motor (13), and one end of an output shaft of the power motor (13) is fixedly sleeved with a bolt conveying shaft (14).

3. An injection molding machine as claimed in claim 1, wherein: the top movable mounting of organism (1) is located first support frame (12) left second support frame (15), the top fixed mounting of organism (1) has pneumatic cylinder (18) that are located second support frame (15) left, the right-hand member of pneumatic cylinder (18) and the bottom fixed connection of second support frame (15) left end, spacing groove (16) that are located second support frame (15) right side below have been seted up at the top of organism (1).

4. An injection molding machine according to claim 3, wherein: the middle part fixed mounting of second support frame (15) bottom is located stopper (17) inside spacing groove (16), the surface of stopper (17) cup joints with the inner wall activity of spacing groove (16).

5. An injection molding machine as claimed in claim 1, wherein: the middle parts of the inner sides of the first support frame (12) and the second support frame (15) are respectively movably provided with a fixed die (19) and a movable die (20), and the inner wall of the first support frame (12) is movably provided with a second baffle (21) positioned between the fixed die (19) and the injection molding head (11).

6. An injection molding machine as claimed in claim 1, wherein: the right side of first support frame (12) fixed mounting has second driving motor (22) that are located injection molding head (11) below, pivot (23) have been cup jointed to the one end of second driving motor (22) output shaft fixed, the left side of pivot (23) extends to the inner wall of injection molding head (11) and fixed mounting has plectane (24).

7. An injection molding machine as defined in claim 6, wherein: the top of the left end of the circular plate (24) is fixedly provided with a fixed shaft (25) positioned on the inner wall of the bottom end of the second baffle (21), and the outer surface of the fixed shaft (25) is movably connected with the inner wall of the second baffle (21).

8. An injection molding machine as claimed in claim 1, wherein: the movable support is characterized in that movable grooves (26) positioned in the front and rear middle of the fixed die (19) and the movable die (20) are formed in the inner sides of the first support frame (12) and the fixed die (19), limiting columns (29) positioned on the outer sides of movable plates (27) are fixedly mounted on the inner walls of the first support frame (12) and the fixed die (19), the movable plates (27) are movably sleeved on the outer surfaces of the limiting columns (29), clamping blocks (28) positioned on the inner walls of the fixed die (19) and the movable die (20) are fixedly mounted on the inner sides of the movable plates (27), connecting springs (30) positioned on the outer surfaces of the limiting columns (29) are fixedly mounted on the outer sides of the movable plates (27), and the other ends of the connecting springs (30) are fixedly connected with the inner walls of the fixed die (19) and the movable die (20) respectively.

9. An injection molding machine as claimed in claim 8, wherein: the top fixed mounting who removes inboard of board (27) has set square (31) that are located fixed die (19) and movable die (20) top, equal movable mounting in top between set square (31) has push pedal (32) that are located first support frame (12) and second support frame (15) inner wall, the inboard middle part fixed mounting of push pedal (32) has ejector pad (33), the inboard of ejector pad (33) runs through first support frame (12) and second support frame (15) respectively.