CN210552940U

CN210552940U - Plastic blow molding machine convenient for replacing blow molding head

Info

Publication number: CN210552940U
Application number: CN201920711285.8U
Authority: CN
Inventors: 唐映珠
Original assignee: Qingtongxia Strong Plastic Packaging Products Co Ltd
Current assignee: Qingtongxia Strong Plastic Packaging Products Co Ltd
Priority date: 2019-05-17
Filing date: 2019-05-17
Publication date: 2020-05-19
Anticipated expiration: 2029-05-17

Abstract

The utility model discloses a plastics blowing machine convenient to change blowing head relates to plastics processing technology field, which comprises a frame, upper surface one side fixed mounting of frame has the hair-dryer, and the upper surface opposite side fixed mounting of frame has the motor, the internally mounted of motor has the spindle, the intermediate position department of spindle installs the driving gear, the intermediate position department fixed mounting of frame has the heating machine, and the one end fixed mounting that the one end of frame is close to the motor has first fixed block. The utility model discloses a novel plastics blowing machine convenient to change blowing head, at the internally mounted second fixed block of hopper, the second fixed block is connected through pivot and driven gear, and the driving gear when on the motor drives driven gear, and then makes the second fixed block rotate, and the second fixed block rotates for raw materials stirring, has so both saved the time, has alleviateed staff's the amount of labour again, has brought a great deal of facility for processing.

Description

Plastic blow molding machine convenient for replacing blow molding head

Technical Field

The utility model relates to a plastics processing technology field specifically is a plastics blowing machine convenient to change blowing head.

Background

Blow molding machines can be divided into three major categories, extrusion blow molding machines, injection blow molding machines and special structure blow molding machines. Stretch blow molding machines can be classified into each of the above categories. The extrusion blow molding machine is a combination of an extruder, a blow molding machine and a mold clamping mechanism, and consists of the extruder, a parison mold head, a blowing device, the mold clamping mechanism, a parison thickness control system and a transmission mechanism. The parison die is one of the important components that determine the quality of the blown article, and there are generally side-feed type dies and center-feed type dies. After the liquid plastic is ejected, the plastic is blown into a shaped cavity by the force of the wind blowing out of the machine, which is called a blow molding machine, to produce the product. The plastic is melted in a screw extruder and extruded quantitatively, then the plastic is formed through a mouth film, an air ring is used for blowing and cooling, then a tractor is used for drawing at a certain speed, and a winding machine is used for winding the plastic into a coil. In the blown film production process, the film thickness uniformity is a very critical index, wherein the longitudinal thickness uniformity can be controlled by the stability of extrusion and traction speeds, the film transverse thickness uniformity is generally manufactured according to die head precision, and changes along with the change of production process parameters, in order to improve the film transverse thickness uniformity, an automatic transverse thickness control system needs to be introduced, the common control method comprises an automatic die head (thermal expansion screw control) and an automatic air ring, and the principle and the application of the automatic air ring are mainly introduced. The plastic blow molding machine on the market at present can not change the blowing head of blow molding machine to can not blow molding to the bottleneck of different models, can reduce people's productivity ratio, the people of not being convenient for use still influences the sales volume of producer. Accordingly, one skilled in the art has provided a plastic blow molding machine that facilitates the exchange of blow heads to address the problems set forth in the background above.

Disclosure of Invention

An object of the utility model is to provide a plastics blowing machine convenient to change blowing head to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a plastics blowing machine convenient to change blowing head, includes the frame, upper surface one side fixed mounting of frame has the hair-dryer, and the upper surface opposite side fixed mounting of frame has the motor, the internally mounted of motor has the spindle, the intermediate position department of spindle installs the driving gear, and the one end fixed mounting of spindle has the feed cylinder, the blowing head is installed to the one end of feed cylinder, driven gear is installed to the one end of driving gear, the pivot is installed to driven gear's one end, the intermediate position department fixed mounting of frame has the heating machine, and the one end fixed mounting of the one end of frame near the motor has first fixed block.

As a further aspect of the present invention: the both sides fixed mounting of hair-dryer has the dead lever, and the top position department of hair-dryer installs the thermal-insulated board, the vent has been seted up to the intermediate position department of thermal-insulated board, the connecting rod is installed to the both sides of vent, the telescopic link is installed to the one end of connecting rod, the telescopic link is connected with the dead lever.

As a further aspect of the present invention: the fixed mounting of below position department of feed cylinder, and the internally mounted of feed cylinder has the screw rod, the one end of screw rod is connected with the spindle, and the other end of screw rod is connected with the blowing head.

As a further aspect of the present invention: the one end of pivot is connected with the hopper, the both sides fixed mounting of hopper has the hopper mounting, and the lower extreme of hopper is connected with the feed cylinder.

As a further aspect of the present invention: the hose is installed to the top position department of blowing head, and the outer surface both sides of blowing head install the fixture block, first recess has been seted up to the one end of fixture block, and the other end of fixture block has seted up the second recess, the both sides fixed mounting of blowing head has the second fixed block, the second fixed block is identical with the second recess.

As a further aspect of the present invention: the both sides fixed mounting of hose has the stopper, and the hose is plastic material, the stopper is identical with first recess.

As a further aspect of the present invention: the surface fixed mounting of pivot has the second fixed block, the quantity of second fixed block is two.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a novel plastics blowing machine convenient to change blowing head, at the internally mounted second fixed block of hopper, the second fixed block is connected through pivot and driven gear, and the driving gear when on the motor drives driven gear, and then makes the second fixed block rotate, and the second fixed block rotates for raw materials stirring, has so both saved the time, has improved work efficiency, has alleviateed staff's the amount of labour again, has brought a great deal of facility for processing.

2. The utility model discloses a novel plastics blowing machine convenient to change blowing head, this plastics blowing machine convenient to change blowing head, through the setting to hose, stopper, fixture block, blowing head, first recess, second recess, played and to change blowing head of blowing machine to can blow the bottleneck of different models, can improve staff's productivity ratio, change rethread fixture block behind the blowing head, the stopper is fixed, staff's of being convenient for use still can improve producer's sales volume. This plastics blowing machine convenient to change blowing head still adjusts the height of thermal-insulated board through the telescopic link, has played the staff and when using the blowing head to blow molding, can carry out the control of temperature through adjusting the height of thermal-insulated board, is favorable to improving the performance of raw materials.

Drawings

FIG. 1 is a schematic view of a plastic blow molding machine with easy replacement of the blow head;

FIG. 2 is a schematic view of a blow head of a plastic blow molding machine for facilitating the exchange of the blow head;

fig. 3 is a schematic view of the interior of a hopper in a plastic blow molding machine that facilitates changing of the blow head.

In the figure: 1. a frame; 2. a blower; 3. fixing the rod; 4. a telescopic rod; 5. a connecting rod; 6. a vent; 7. a thermal insulation plate; 8. a blow molding head; 9. a fixing member; 10. a heater; 11. a charging barrel; 12. a hopper; 13. a screw; 14. a hopper fixing member; 15. a rotating shaft; 16. a driven gear; 17. a driving gear; 18. an electric motor; 19. a first fixed block; 20. a crankshaft; 21. a clamping block; 22. a limiting block; 23. a hose; 24. a first groove; 25. a second groove; 26. and a second fixed block.

Detailed Description

Referring to fig. 1 to 3, in an embodiment of the present invention, a plastic blow molding machine convenient for replacing a blow molding head includes a frame 1, a blower 2 is fixedly installed on one side of an upper surface of the frame 1, a fixing rod 3 is fixedly installed on both sides of the blower 2, a heat insulating plate 7 is installed above the blower 2, a vent 6 is opened in the middle of the heat insulating plate 7, connecting rods 5 are installed on both sides of the vent 6, an expansion link 4 is installed at one end of each connecting rod 5, the expansion link 4 is connected with the fixing rod 3, a motor 18 is fixedly installed on the other side of the upper surface of the frame 1, a crankshaft 20 is installed inside the motor 18, a driving gear 17 is installed in the middle of the crankshaft 20, a charging barrel 11 is fixedly installed at one end of the crankshaft 20, a fixing member 9 is fixedly installed at a lower position of the charging barrel 11, when the blow molding machine is used, the motor 18 and the heater 10 are started, the heater 10 heats the charging barrel 11, the crankshaft 20 of the motor 18 drives the driving gear 17 to rotate, the driving gear 17 is meshed with the driven gear 16, the driving gear 17 drives the driven gear 16 to rotate, the driven gear 16 drives the rotating shaft 15 to rotate, the second fixed block 26 on the rotating shaft 15 rotates, when the raw material goes downwards from the hopper 12, the raw material is stirred by the second fixed block 26 and becomes uniform, then the raw material is rapidly melted under the action of the heater 10 and is conveyed to the blow molding head 8 through the screw 13, the blow molding head 8 sprays the plastic melt into a blow molding mold, and at the moment, the height of the thermal insulation plate 7 is adjusted through the telescopic rod 4 so as to conveniently control the temperature of the plastic melt, thereby saving time, improving work efficiency and reducing the labor amount of workers, brings great convenience to processing.

In fig. 1, 2 and 3: one end of a screw 13 is connected with a crankshaft 20, the other end of the screw 13 is connected with a blow molding head 8, one end of a charging barrel 11 is provided with the blow molding head 8, a hose 23 is arranged above the blow molding head 8, two sides of the hose 23 are fixedly provided with limit blocks 22, the hose 23 is made of plastic materials, the limit blocks 22 are matched with first grooves 24, two sides of the outer surface of the blow molding head 8 are provided with fixture blocks 21, one end of each fixture block 21 is provided with a first groove 24, the other end of each fixture block 21 is provided with a second groove 25, two sides of the blow molding head 8 are fixedly provided with second fixing blocks 26, the second fixing blocks 26 are matched with the second grooves 25, one end of a driving gear 17 is provided with a driven gear 16, one end of the driven gear 16 is provided with a rotating shaft 15, the surface of the rotating shaft 15 is fixedly provided with second fixing blocks 26, hopper fixing parts 14 are fixedly installed on two sides of a hopper 12, the lower end of the hopper 12 is connected with a charging barrel 11, a heater 10 is fixedly installed in the middle of a rack 1, a first fixing block 19 is fixedly installed at one end, close to a motor 18, of one end of the rack 1, when a blow head 8 is to be replaced, a limiting block 22 on a hose 23 is made to leave a first groove 24 on a clamping block 21, a second fixing block 26 on the blow head 8 is made to leave a second groove 25 on the clamping block 21, then the hose 23 is separated from the charging barrel 11, a new blow head 8 can be replaced again, the hose 23 is firstly made to coincide with the charging barrel 11 during replacement, then the limiting block 22 is made to coincide with the first groove 24, the second groove 25 is made to coincide with the second fixing block 26, and therefore the blow head 8 can be fixed, and production efficiency of workers is improved.

The utility model discloses a theory of operation is: when the blow molding machine is to be used, the motor 18 and the heater 10 are started, the heater 10 heats the material barrel 11, the crankshaft 20 of the motor 18 drives the driving gear 17 to rotate, the driving gear 17 is meshed with the driven gear 16, the driving gear 17 drives the driven gear 16 to rotate, the driven gear 16 drives the rotating shaft 15 to rotate, the second fixed block 26 on the rotating shaft 15 rotates, when the raw material goes downwards from the hopper 12, the raw material is stirred by the second fixed block 26 and becomes uniform, then the raw material is rapidly melted under the action of the heater 10 and is conveyed to the blow molding head 8 through the screw 13, the blow molding head 8 sprays plastic melt into a blow molding mold, at the moment, the height of the thermal insulation plate 7 is adjusted through the telescopic rod 4 so as to conveniently control the temperature of the plastic melt, when the blow molding head 8 is to be replaced, the limit block 22 on the hose 23 is separated from the first groove 24 on the block 21, the second fixing block 26 of the blowing head 8 is separated from the second groove 25 of the clamping block 21, and then the hose 23 and the cylinder 11 are separated, so that a new blowing head 8 can be replaced, the hose 23 and the cylinder 11 are overlapped when the new blowing head 8 is replaced, then the limiting block 22 and the first groove 24 are overlapped respectively, and the second groove 25 and the second fixing block 26 are overlapped, so that the blowing head 8 can be fixed.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A plastic blow molding machine convenient for replacing a blow molding head comprises a frame (1) and is characterized in that a blower (2) is fixedly arranged on one side of the upper surface of the frame (1), and the other side of the upper surface of the frame (1) is fixedly provided with an electric motor (18), a crankshaft (20) is arranged in the electric motor (18), a driving gear (17) is arranged in the middle of the crankshaft (20), and one end of the crankshaft (20) is fixedly provided with a charging barrel (11), one end of the charging barrel (11) is provided with a blow molding head (8), one end of the driving gear (17) is provided with a driven gear (16), one end of the driven gear (16) is provided with a rotating shaft (15), a heater (10) is fixedly arranged at the middle position of the frame (1), and one end of the frame (1) close to one end of the motor (18) is fixedly provided with a first fixed block (19).

2. The plastic blow molding machine convenient for replacing a blow molding head according to claim 1, characterized in that fixing rods (3) are fixedly installed on two sides of the blower (2), a heat insulation plate (7) is installed above the blower (2), a vent (6) is arranged in the middle of the heat insulation plate (7), connecting rods (5) are installed on two sides of the vent (6), an expansion rod (4) is installed at one end of each connecting rod (5), and the expansion rod (4) is connected with the fixing rods (3).

3. A plastic blow molding machine with easy exchange of blow head according to claim 1 characterized in that the fixing member (9) is fixedly installed at the lower position of the cylinder (11), and the screw (13) is installed inside the cylinder (11), one end of the screw (13) is connected with the machine shaft (20), and the other end of the screw (13) is connected with the blow head (8).

4. A plastic blow molding machine with easy exchange of blow head according to claim 1 characterized in that one end of the rotating shaft (15) is connected with a hopper (12), hopper fixing members (14) are fixedly installed on both sides of the hopper (12), and the lower end of the hopper (12) is connected with the charging barrel (11).

5. The plastic blow molding machine convenient for replacing the blow molding head according to claim 1, wherein a hose (23) is installed at a position above the blow molding head (8), clamping blocks (21) are installed on two sides of the outer surface of the blow molding head (8), a first groove (24) is formed in one end of each clamping block (21), a second groove (25) is formed in the other end of each clamping block (21), second fixing blocks (26) are fixedly installed on two sides of the blow molding head (8), and the second fixing blocks (26) are matched with the second grooves (25).

6. A plastic blow molding machine with a blow head convenient to replace according to claim 5, characterized in that the two sides of the hose (23) are fixedly provided with limit blocks (22), the hose (23) is made of plastic material, and the limit blocks (22) are matched with the first grooves (24).

7. A plastic blow-moulding machine with easy exchange of the blow-moulding head according to claim 1, characterised in that the surface of the rotating shaft (15) is fixedly provided with second fixed blocks (26), the number of the second fixed blocks (26) being two.