CN115214094B

CN115214094B - TPU chopping board injection molding device

Info

Publication number: CN115214094B
Application number: CN202210661446.3A
Authority: CN
Inventors: 于鹏
Original assignee: Xingbang New Materials Shandong Co ltd
Current assignee: Xingbang New Materials Shandong Co ltd
Priority date: 2022-06-13
Filing date: 2022-06-13
Publication date: 2023-06-27
Anticipated expiration: 2042-06-13
Also published as: CN115214094A

Abstract

The invention relates to the technical field of chopping board injection molding, in particular to a TPU chopping board injection molding device which comprises a workbench, wherein a base is fixedly connected in the middle of the upper surface of a base, fixing rods are fixedly connected to four corners of the top end of the base, a support is fixedly connected to the upper end of each fixing rod, a fixing frame is fixedly connected to the upper surface of each support, a template component is clamped in each pair of limiting clamping angles in a matched manner, and protection boards are fixedly connected to the two sides of the upper surface of the base.

Description

TPU chopping board injection molding device

Technical Field

The invention relates to the technical field of chopping board injection molding, in particular to a TPU chopping board injection molding device.

Background

The TPU material is a high molecular material formed by the joint reaction and polymerization of diisocyanate molecules such as diphenylmethane diisocyanate or toluene diisocyanate and macromolecular polyol and low molecular polyol, has the characteristic of preventing bacterial growth, and has unique advantages in the selection of the chopping board material.

Through retrieving, for example, application number is CN201720363634.2, a plastic chopping board injection mold, including last mould and lower mould, be provided with the cavity that is used for moulding plastics chopping board between last mould and the lower mould, be provided with the mouth of moulding plastics that is used for moulding plastics in to the cavity on going up the mould, it is provided with the clamp plate to slide on the mould to go up, be fixed with a plurality of depression bars that are used for compressing tightly the product on the lower mould when last mould and lower mould separate, be provided with the thrust spring that is used for making the clamp plate to the lower mould motion between clamp plate and the last mould, be provided with the reset lever on the clamp plate, the reset lever runs through last mould and is close to the conflict of last mould end with the lower mould, and its technical scheme main points are through setting up clamp plate and depression bar, can make when going up mould and lower mould disconnect, the product is compressed tightly on the lower mould, makes things convenient for the later stage drawing of patterns.

However, the above solution has the following drawbacks in use: the chopping board is a daily necessity, the daily demand is large, the production task of a workshop is heavy, the device can only carry out single injection molding when the chopping board is produced, the production efficiency is still improved, the existing equipment still needs to be manually controlled in the feeding and discharging processes in the continuous processing process, a large amount of investment of manpower and material resources is still needed in the injection molding process of the chopping board, and the processing cost is high.

Disclosure of Invention

Aiming at the defects that the chopping board in the prior art is a daily necessity, the daily demand is large, the production task of a workshop is heavy, the device can only carry out single injection molding when the chopping board is produced, the production efficiency is still improved, the prior equipment still needs to be manually controlled in the feeding and discharging processes in the continuous processing process, a large amount of manpower and material resources are still needed in the injection molding process of the chopping board, and the processing cost is high, the invention provides the TPU chopping board injection molding device.

In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:

the invention discloses an injection molding device for a TPU chopping board, which comprises a workbench, wherein a base is fixedly connected in the middle of the upper surface of a base, fixing rods are fixedly connected to four corners of the top end of the base, the upper ends of the fixing rods are fixedly connected with supports, the upper surface of each support is fixedly connected with a fixing frame, the front side of each fixing frame is fixedly connected with a feed hopper, a discharge hole of each feed hopper is connected to the upper end of a flow pipeline, the lower end of each flow pipeline is fixedly connected with an injection cover plate assembly, a conveying belt is arranged at the upper end of the base, a plurality of pairs of limiting clamping angles are fixedly connected to the surface of the conveying belt, a template assembly is clamped in each pair of limiting clamping angles in a matched manner, protection plates are fixedly connected to the two sides of the upper surface of the base at equal intervals, a plurality of fans are fixedly connected to the upper ends of the protection plates at equal intervals, each upper base is respectively provided with a grabbing assembly and an upper cover plate assembly, the upper cover plate assembly is arranged on one side of the base, the upper base is arranged on the other side of the base, a control panel is also arranged on the base, and a slotted hole is also formed in the base.

Preferably, the injection molding cover plate assembly comprises an injection molding cover plate, an injection molding second cylinder and a needle nozzle, wherein the first cylinder is fixedly connected to two sides of the lower end of the fixing frame, an output shaft of each first cylinder is fixedly connected to the upper surface of the injection molding cover plate, the needle nozzle is fixedly connected to the lower end of the flow pipeline, and the needle nozzle is communicated with the flow pipeline.

Preferably, the upper end both sides of the cover plate of moulding plastics are all fixedly connected with and mould plastics the second cylinder, the output shaft of moulding plastics the second cylinder slip run through in the cover plate of moulding plastics and tip fixedly connected with telescopic link, the lower extreme fixedly connected with temperature detector of telescopic link.

Preferably, the template assembly comprises a pressing plate and a template, wherein cavities are formed in the pressing plate and the template, a die cavity is further formed in the template, round holes are formed in four corners of the upper surface of the pressing plate, protruding rods are fixedly connected to two sides of the lower surface of the pressing plate, sliding grooves are formed in two sides of the upper surface of the template, and the protruding rods and the sliding grooves on the same side correspond to each other in position.

Preferably, the lower extreme both sides of protruding pole all rotate and are connected with the pivot, every the centre of pivot all fixedly connected with clamping lever, every the inner wall rotation junction of pivot and protruding pole all installs the torsional spring.

Preferably, each sliding groove is trapezoid, the caliber from the top to the tail of each sliding groove is gradually increased, a first clamping groove is formed in the lower end of each sliding groove, the first clamping grooves are formed in the templates, and each first clamping groove is matched and clamped with a corresponding clamping rod.

Preferably, a guide groove is formed in a quadrant point of each round hole, a second clamping groove is formed in the bottom of each round hole, and the guide grooves and the round holes are formed in the pressing plate.

Preferably, each upper cover plate assembly comprises an upper cover plate and a clamping shell, the top of each upper base is fixedly connected with a second cylinder, an output shaft of each second cylinder penetrates through the upper base in a sliding mode, the end portion of each second cylinder is fixedly connected with the upper cover plate, and the lower end of each upper cover plate is fixedly connected with the clamping shell.

Preferably, the grabbing component comprises a motor, the upper surface at last frame is connected to motor fixedly, the output shaft fixedly connected with sliding sleeve of motor, the sliding sleeve rotates and runs through in last frame and inner wall sliding connection has the slide bar, the equal fixedly connected with limiting plate in both sides of slide bar, the lower extreme fixedly connected with card axle of slide bar, the card axle rotates and runs through in the upper cover plate, the upper end inner wall of upper cover plate still rotates and is connected with three card axle, every the equal fixedly connected with of lower extreme of card axle snatchs the card pole, every all be provided with the belt between the card axle.

Compared with the prior art, the invention has the following beneficial effects:

the TPU raw material after injection is placed in the die cavity for 15min, the opposite clamping rods are driven by the motor to clamp the pressing plate, the output shaft of the second cylinder is contracted, the pressing plate is separated from the die plate, then a worker takes out the TPU chopping board after injection molding through the suction nozzle, clamping rods on two sides of the protruding rods are clamped in the first clamping groove, clamping between the pressing plate and the die plate is firm when the TPU raw material is cooled in the pressing plate and the die plate, meanwhile, the pressing plate and the die plate are convenient to split, the chopping board after cooling is taken out, injection molding and cooling of a plurality of dies can be simultaneously carried out, and meanwhile, the chopping board can be taken out through the suction nozzle, so that the injection molding, cooling and grabbing processes of the chopping board are automatically integrated, the working smoothness of the equipment is improved, the time required by the equipment process is shortened, and the investment of manpower and material resources is reduced.

Drawings

FIG. 1 is a schematic diagram of a TPU chopping board injection molding device;

FIG. 2 is a schematic rear view of a TPU chopping board injection molding device;

FIG. 3 is a schematic view of the structure of a stand of the TPU chopping board injection molding device of the invention;

FIG. 4 is a schematic structural view of a first cylinder of the TPU chopping board injection molding device;

FIG. 5 is a schematic view of the structure of a platen of a TPU chopping board injection molding device of the present invention;

FIG. 6 is a schematic diagram of a fan structure of a TPU chopping board injection molding device of the invention;

FIG. 7 is a schematic view of the structure of a die plate of the TPU chopping board injection molding device;

FIG. 8 is an enlarged schematic view of the structure of the TPU chopping board injection molding device at B in FIG. 7;

FIG. 9 is a schematic view of the first slot of the TPU chopping board injection molding device;

FIG. 10 is a schematic view of a circular hole of the TPU chopping board injection molding device;

FIG. 11 is an enlarged schematic view of the injection molding device for TPU chopping board shown in FIG. 7;

FIG. 12 is a schematic view of the structure of a slot of a TPU chopping board injection molding device of the invention;

FIG. 13 is a schematic view of the structure of a slide rod of the TPU chopping board injection molding device.

In the figure: 1. a grabbing component; 101. a motor; 102. a sliding sleeve; 103. a slide bar; 104. a limiting plate; 105. a clamping shaft; 106. a belt; 107. grabbing a clamping rod; 2. a template assembly; 201. a pressing plate; 202. a template; 203. a mold cavity; 204. a cavity; 205. a protruding rod; 206. a rotating shaft; 207. a clamping rod; 208. a torsion spring; 209. a chute; 210. a first clamping groove; 211. a guide groove; 212. a second clamping groove; 213. a round hole; 3. injection molding the cover plate assembly; 301. injection molding a second cylinder; 302. injection molding of the cover plate; 303. a telescopic rod; 304. a temperature detector; 305. a needle mouth; 4. an upper cover plate assembly; 401. an upper cover plate; 402. a clamping shell; 5. a protective plate; 6. a blower; 7. an upper stand; 701. a second cylinder; 8. a base; 9. a base; 10. a control panel; 11. a conveyor belt; 12. a slot hole; 13. a support; 14. a fixed rod; 15. limiting the clamping angle; 16. a flow conduit; 17. a feed hopper; 18. a first cylinder; 19. and a fixing frame.

Detailed Description

The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, 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.

Examples

The invention discloses an injection molding device for TPU chopping boards, which comprises a base 8, wherein a base 9 is fixedly connected in the middle of the upper surface of the base 8, fixing rods 14 are fixedly connected at four corners of the top end of the base 9, the upper ends of the fixing rods 14 are fixedly connected with supports 13, the upper surface of each support 13 is fixedly connected with a fixing frame 19, the front side of each fixing frame 19 is fixedly connected with a feed hopper 17, a discharge hole of each feed hopper 17 is connected to the upper end of a flow pipeline 16, the lower end of each flow pipeline 16 is fixedly connected with an injection molding cover plate assembly 3, a conveying belt 11 is arranged at the upper end of each base 9, a plurality of pairs of limit clamping angles 15 are fixedly connected to the surface of the conveying belt 11, a template assembly 2 is clamped in each pair of limit clamping angles 15 in a matched manner, protection plates 5 are fixedly connected to the two sides of the upper surface of the base 8, a plurality of fans 6 are fixedly connected to the protection plates 5 at equal intervals, the upper ends of the two protection plates 5 are fixedly connected with an upper base 7 at equal intervals, a grabbing assembly 1 and an upper cover plate assembly 4 are respectively arranged on each upper base 7, the upper cover plate assembly 4 is arranged on one side of the base 9, the upper base 7 is arranged on the other side of the base 9, a control panel 9 is also provided with a control panel 10, and the base 12 is also matched with the conveying belt 11.

In this embodiment, the injection molding cover plate assembly 3 includes an injection molding cover plate 302, an injection molding second cylinder 301, and a needle nozzle 305, wherein the two sides of the lower end of the fixing frame 19 are fixedly connected with the first cylinders 18, the output shaft of each first cylinder 18 is fixedly connected to the upper surface of the injection molding cover plate 302, the lower end of the flow pipe 16 is also fixedly connected with the needle nozzle 305, and the needle nozzle 305 is communicated with the flow pipe 16.

In this embodiment, the two sides of the upper end of the injection molding cover plate 302 are fixedly connected with an injection molding second cylinder 301, an output shaft of the injection molding second cylinder 301 penetrates through the injection molding cover plate 302 in a sliding manner, the end part of the injection molding second cylinder is fixedly connected with a telescopic rod 303, and the lower end of the telescopic rod 303 is fixedly connected with a temperature detector 304.

In this embodiment, the template assembly 2 includes a pressing plate 201 and a template 202, the pressing plate 201 and the template 202 are provided with cavities 204, the inside of the template 202 is also provided with a cavity 203, four corners of the upper surface of the pressing plate 201 are provided with round holes 213, two sides of the lower surface of the pressing plate 201 are fixedly connected with convex rods 205, two sides of the upper surface of the template 202 are provided with sliding grooves 209, and the positions of the convex rods 205 and the sliding grooves 209 on the same side correspond to each other.

In this embodiment, two sides of the lower end of the protruding rod 205 are rotatably connected with rotating shafts 206, a clamping rod 207 is fixedly connected in the middle of each rotating shaft 206, and a torsion spring 208 is mounted at the rotation connection position of each rotating shaft 206 and the inner wall of the protruding rod 205.

In this embodiment, each sliding groove 209 is trapezoidal, the caliber from the top to the tail of each sliding groove 209 increases gradually, the lower end of each sliding groove 209 is provided with a first clamping groove 210, the first clamping grooves 210 are all formed in the template 202, and each first clamping groove 210 is matched and clamped with the corresponding clamping rod 207.

In the present embodiment, the guide groove 211 is provided at a quadrant point of each circular hole 213, the bottom of each circular hole 213 is provided with the second clamping groove 212, and the guide groove 211 and the circular hole 213 are both opened inside the platen 201.

In this embodiment, each upper cover plate assembly 4 includes an upper cover plate 401 and a clamping shell 402, the top of each upper base 7 is fixedly connected with a second cylinder 701, and an output shaft of each second cylinder 701 slidably penetrates through the upper base 7 and is fixedly connected with the upper cover plate 401 at the end, and the lower end of the upper cover plate 401 is fixedly connected with the clamping shell 402.

In this embodiment, snatch subassembly 1 includes motor 101, motor 101 fixed connection is at the upper surface of last frame 7, motor 101's output shaft fixedly connected with sliding sleeve 102, sliding sleeve 102 rotates and runs through in last frame 7 and inner wall sliding connection has slide bar 103, the both sides of slide bar 103 are all fixedly connected with limiting plate 104, the lower extreme fixedly connected with card axle 105 of slide bar 103, card axle 105 rotates and runs through in upper cover plate 401, upper end inner wall of upper cover plate 401 still rotates and is connected with three card axle 105, the equal fixedly connected with of lower extreme of every card axle 105 snatchs card pole 107, all be provided with belt 106 between every card axle 105.

The working principle of the TPU chopping board injection molding device is as follows: before the equipment works, the conveyer belt 11 is started, all the template assemblies 2 are transported to the same side of the machine base 9, TPU raw materials are poured into the feed hopper 17 after being processed at the temperature of 100 ℃, the template 202 is transported to the position right below the injection cover plate 302 through the conveyer belt 11, the first cylinder 18 is started to drive the injection cover plate 302 to clamp the corresponding template 302, the TPU raw materials are kept at the temperature through a hot runner arranged in the flow pipeline 16, in the injection molding process, when the temperature detector 304 senses the temperature of the TPU raw materials, the injection is stopped by the needle nozzle, the depth of the temperature detector 304 is a point downward by the die cavity 203, and when the temperature detector 304 receives a signal, the needle nozzle 305 stops injection molding, so that the die cavity is filled, and cooling molding is performed.

The injection finished TPU raw material is kept stand for 15min in the inside of the die cavity 203, the opposite grabbing clamping rods 107 are driven by the motor 101 to clamp the pressing plate 201, the output shaft of the second air cylinder 701 is contracted, the pressing plate 201 is separated from the die plate 202, then a worker takes out the injection finished TPU chopping board through a suction nozzle, clamping rods 207 on two sides of the protruding rods 205 are clamped in the first clamping grooves 210, clamping between the pressing plate 201 and the die plate 202 is firm when the TPU raw material is cooled in the pressing plate 201 and the die plate 202, meanwhile, the pressing plate 201 and the die plate 202 are convenient to split, the chopping board after cooling is taken out, the injection molding and cooling of a plurality of dies can be simultaneously carried out, and meanwhile, the chopping board can be taken out through the suction nozzle, so that the injection molding, cooling and grabbing processes of the chopping board are integrated automatically, the smoothness of the equipment operation is improved, the time required by the equipment process is shortened, and the investment of manpower and material resources is reduced.

The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. TPU chopping board injection molding device, including base (8), its characterized in that: the utility model discloses a mobile phone, including base (8), fixed connection frame (9) in the middle of the upper surface of base (8), top four corners department fixedly connected with dead lever (14) of base (9), the upper end fixedly connected with support (13) of dead lever (14), just the upper surface fixedly connected with mount (19) of support (13), the front side fixedly connected with feeder hopper (17) of mount (19), the discharge gate of feeder hopper (17) is connected in flow duct (16) upper end, the lower extreme fixedly connected with injection moulding apron subassembly (3) of flow duct (16), conveyer belt (11) are installed to the upper end of base (9), the fixed surface of conveyer belt (11) is connected with a plurality of pairs of spacing block angles (15), every pair of spacing block angles (15) internal cooperation chucking has template subassembly (2), the upper surface both sides fixedly connected with protection shield (5) of base (8), equidistance fixedly connected with a plurality of fan (6) on protection shield (5) still, the upper end fixedly connected with upper end of two protection shield (5) upper end (7) of protection shield (7), every frame (7) and base (7) are provided with on one side respectively on the base (4) and the base (4) are provided with on the base subassembly (4) respectively, the machine seat (9) is also provided with a control panel (10), and the machine seat (9) is also provided with a slotted hole (12) for being matched with the conveying belt (11).

2. The TPU chopping block injection molding device of claim 1, wherein: the injection molding cover plate assembly (3) comprises an injection molding cover plate (302), injection molding second air cylinders (301) and needle nozzles (305), wherein the first air cylinders (18) are fixedly connected to two sides of the lower end of the fixing frame (19), an output shaft of each first air cylinder (18) is fixedly connected to the upper surface of the injection molding cover plate (302), the lower end of the flow pipeline (16) is fixedly connected with the needle nozzles (305), and the needle nozzles (305) are communicated with the flow pipeline (16).

3. The TPU chopping block injection molding apparatus of claim 2, wherein: the injection molding device is characterized in that two sides of the upper end of the injection molding cover plate (302) are fixedly connected with injection molding second air cylinders (301), an output shaft of each injection molding second air cylinder (301) penetrates through the injection molding cover plate (302) in a sliding mode, the end portion of each injection molding second air cylinder is fixedly connected with a telescopic rod (303), and the lower end of each telescopic rod (303) is fixedly connected with a temperature detector (304).

4. A TPU chopping block injection molding apparatus as set forth in claim 3 wherein: the template assembly (2) comprises a pressing plate (201) and a template (202), wherein cavities (204) are formed in the pressing plate (201) and the template (202), a die cavity (203) is formed in the template (202), round holes (213) are formed in four corners of the upper surface of the pressing plate (201), protruding rods (205) are fixedly connected to two sides of the lower surface of the pressing plate (201), sliding grooves (209) are formed in two sides of the upper surface of the template (202), and the protruding rods (205) and the sliding grooves (209) on the same side correspond to each other in position.

5. The TPU chopping block injection molding apparatus of claim 4, wherein: the lower extreme both sides of protruding pole (205) all rotate and are connected with pivot (206), every the centre of pivot (206) all fixedly connected with draw-in lever (207), every the inner wall rotation junction of pivot (206) and protruding pole (205) all installs torsional spring (208).

6. The TPU chopping block injection molding apparatus of claim 5, wherein: each chute (209) is trapezoidal, and every the bore of chute (209) top to afterbody increases gradually, every the lower extreme of chute (209) all is provided with first draw-in groove (210), first draw-in groove (210) all offer in the inside of template (202), every first draw-in groove (210) and corresponding clamping rod (207) cooperation chucking.

7. The TPU chopping block injection molding apparatus of claim 6, wherein: the quadrant point of each round hole (213) is provided with a guide groove (211), the bottom of each round hole (213) is provided with a second clamping groove (212), and the guide grooves (211) and the round holes (213) are all arranged in the pressing plate (201).

8. The TPU chopping block injection molding apparatus of claim 7, wherein: every upper cover plate assembly (4) includes upper cover plate (401), clamping shell (402), every the top of upper frame (7) all fixedly connected with second cylinder (701), every the output shaft of second cylinder (701) slip run through in upper frame (7) and tip fixedly connected with upper cover plate (401), the lower extreme fixedly connected with clamping shell (402) of upper cover plate (401).

9. The TPU chopping block injection molding apparatus of claim 8, wherein: grabbing component (1) including motor (101), motor (101) fixed connection is at the upper surface of frame (7), the output shaft fixedly connected with sliding sleeve (102) of motor (101), sliding sleeve (102) rotate and run through in frame (7) and inner wall sliding connection slide bar (103), the both sides of slide bar (103) all fixedly connected with limiting plate (104), the lower extreme fixedly connected with card axle (105) of slide bar (103), card axle (105) rotate and run through in upper cover plate (401), the upper end inner wall of upper cover plate (401) still rotates and is connected with three card axle (105), every the equal fixedly connected with of lower extreme of card axle (105) snatchs clamping lever (107), every all be provided with belt (106) between card axle (105).