CN111438877A

CN111438877A - Injection molding device for toothbrush production

Info

Publication number: CN111438877A
Application number: CN202010270098.8A
Authority: CN
Inventors: 汪向喜
Original assignee: Quanzhou Xiyue Daily Chemical Co ltd
Current assignee: Quanzhou Xiyue Daily Chemical Co ltd
Priority date: 2020-04-08
Filing date: 2020-04-08
Publication date: 2020-07-24

Abstract

The invention discloses an injection molding device for producing toothbrushes, which comprises a base and a heating box, wherein the heating box is fixedly arranged above the base through a plurality of second support rods, a plurality of annular heating pipes are arranged on the inner wall of the heating box at equal intervals from top to bottom, an inner cylinder is rotatably arranged at the bottom of the inner cavity of the heating box, a plurality of cross rods are arranged on the inner wall of the inner cylinder at equal intervals in the circumferential direction, a stirring rod component is rotatably arranged at the top of the inner cavity of the inner cylinder, the stirring rod components and the cross rods are arranged in a mutually staggered manner, the bottom of the inner cylinder is rotatably provided with an injection molding pipe, the lower end of the injection molding pipe extends to the lower part of the heating box, the base is fixedly provided with a transmission mechanism, the base is fixedly provided with a splitting table, the end part of the splitting table close to the transmission mechanism is fixedly provided with a lower die mechanism, the device can accomplish the whole process flow of toothbrush handle from raw materials preparation to moulding plastics, at last to the drawing of patterns fast, simple structure, and convenient operation has very much the practicality.

Description

Injection molding device for toothbrush production

Technical Field

The invention relates to the technical field of toothbrush production devices, in particular to an injection molding device for toothbrush production.

Background

The toothbrush is a cleaning article, and is a handle type brush, the use mode is that toothpaste is added on the brush firstly, then all parts of teeth are brushed repeatedly, the traditional toothbrush is generally straight handle and is easy to use, the bent handle can go deep into the place where the oral cavity is difficult to brush, the elastic handle can prevent the gum from being damaged due to the overlarge force of the toothbrush pressing on the gum, the shape of the brush head is generally square and diamond, the square brush head can effectively clean each surface of the teeth, the tail end of the brush head in the diamond shape is designed to be sharp compared with the square shape, the brush head is easy to go deep into the oral cavity for cleaning, the toothbrush is provided with the brush head in any shape, the teeth can be cleaned, and the size of the brush head needs to be selected by comprehensively considering the factors such as the size of the oral cavity, the degree.

The toothbrush handle is one of essential parts in the toothbrush, and is generally formed by injection molding of an injection molding machine, but the existing injection molding machine has various structures, high cost and complex operation, so the invention provides an injection molding device for producing the toothbrush to solve the problems.

Disclosure of Invention

An object of an embodiment of the present invention is to provide an injection molding apparatus for toothbrush production to solve the above problems.

In order to achieve the purpose, the invention provides the following technical scheme:

an injection molding device for toothbrush production comprises a base and a heating box, wherein the heating box is fixedly arranged above the base through a plurality of second support rods, a plurality of annular heating pipes are equidistantly arranged on the inner wall of the heating box from top to bottom, an inner cylinder is rotatably arranged at the bottom of an inner cavity of the heating box, a plurality of cross rods are arranged on the inner wall of the inner cylinder at equal intervals in the circumferential direction, a stirring rod assembly is rotatably arranged at the top of the inner cavity of the inner cylinder, the stirring rod assembly and the cross rods are arranged in a mutually staggered mode, an injection molding pipe is rotatably arranged at the bottom of the inner cylinder, and; the base is fixedly provided with a transmission mechanism, the base is fixedly provided with a splitting table, and the end part of the splitting table close to the transmission mechanism is fixedly provided with a lower die mechanism.

In one alternative: and a damping base plate is fixedly arranged at the bottom of the base.

In one alternative: the heating cabinet is characterized in that a first motor is fixedly arranged on the side wall of the heating cabinet through a motor support, a first rotating rod is fixedly connected to an output shaft of the first motor, the first rotating rod is connected with the stirring rod assembly through a belt transmission mechanism, an outer gear ring is fixedly arranged at the top of the inner barrel, a gear is fixedly arranged on the first rotating rod, and the gear is meshed with the outer gear ring.

In one alternative: the inner tube top is equipped with the feed inlet, and the base top is equipped with the loading hopper through many first bracing pieces are fixed, is equipped with the granule delivery pump on the base, and the loading hopper bottom is equipped with blanking pipe, and the one end that the loading hopper was kept away from to blanking pipe is connected with the input of granule delivery pump, is connected with the passage on the output of granule delivery pump, and the one end that the granule delivery pump was kept away from to the passage extends to the feed inlet top, and the heating cabinet top is equipped with the first anchor strut that is connected with the passage.

In one alternative: and the injection molding pipe is provided with a flowmeter and an electromagnetic valve.

In one alternative: the heating cabinet lateral wall lower part is equipped with the mounting panel perpendicularly, and the one end that the heating cabinet was kept away from to the mounting panel is equipped with many second anchor bars by preceding equidistance to the back, and the equal fixed connection of one end that the mounting panel was kept away from to the second anchor bar is equipped with a plurality of thermantidotes on the first bracing piece equidistantly.

In one alternative: the transmission device comprises a plurality of fourth supporting rods, the front and back of the plurality of fourth supporting rods are symmetrically arranged on the base, each fourth supporting rod is provided with a bearing wheel in a rotating mode, the front and back of each fourth supporting rod are located between a plurality of bearing wheels on the same side and are connected through a belt, a plurality of clamping grooves used for clamping the end portion of the toothbrush handle mold are arranged on the belts in equal intervals, the clamping grooves on the two belts are symmetrically arranged in the front and back direction, one of the bearing wheels is connected through a third rotating rod, the two bearing wheels are symmetrical in the front and back direction, the group of bearing wheels are arranged in one group, one of the two fourth supporting rods is fixedly provided with a third motor, and an output shaft of the third motor extends into the fourth supporting.

In one alternative: lower die mechanism includes second bull stick and two third bracing pieces, the splitting bench is located to symmetry around two third bracing pieces, the second bull stick rotates and locates between two third bracing pieces, one of them fixed second motor that is equipped with of two third bracing pieces, the output shaft of second motor extends to in the third bracing piece and is connected with the one end of second bull stick, the hoop equidistance is equipped with the polylith and unloads the template on the second bull stick, be close to the fixed flat board that is equipped with between two fourth bracing pieces of splitting bench, the symmetry is equipped with the telescopic link on the flat board, the telescopic link is electric telescopic handle, the fixed magnet piece that is equipped with between two telescopic link upper ends.

In one alternative: the base internal fixation is equipped with band conveyer, and the base top is located band conveyer both ends department and is equipped with the opening, and the one end that lower die mechanism was kept away from to the split platform is equipped with U type guide board to one side, and the one end that the split platform was kept away from to U type guide board extends to the band conveyer top, is located the fixed baffler that is equipped with on the chamber section of the band conveyer other end in the base.

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

1. the device is provided with the stirring rod assembly, the heating barrel, the cooling fan, the transmission mechanism, the lower die mechanism and the splitting table, can quickly finish the whole process flow from raw material preparation to injection molding and finally to demolding of the toothbrush handle, and has the advantages of simple structure, convenience in operation and high practicability;

2. the damping base plate is arranged, so that the vibration amplitude of the device during operation can be effectively reduced, and the stability of the device is greatly improved.

Drawings

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

Fig. 2 is a schematic view showing the connection of the flat plate, the telescopic rod and the magnet block according to the first embodiment of the present invention.

Fig. 3 is a schematic structural view of a lower die mechanism in a first embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a transmission mechanism according to a first embodiment of the present invention.

Fig. 5 is an enlarged view of a portion a in fig. 1.

Fig. 6 is a schematic structural diagram of a second embodiment of the present invention.

Notations for reference numerals: 1-base, 2-first supporting rod, 3-particle delivery pump, 4-blanking pipe, 5-loading hopper, 6-material guide pipe, 7-first reinforcing rod, 8-feeding hole, 9-stirring rod component, 10-external gear ring, 11-belt transmission mechanism, 12-first rotating rod, 13-gear, 14-first motor, 15-heating box, 16-heat insulation layer, 17-annular electric heating pipe, 18-second reinforcing rod, 19-cooling fan, 20-mounting plate, 21-transmission mechanism, 22-lower die mechanism, 23-splitting table, 24-U-shaped guide plate, 25-belt conveyor, 26-flat plate, 27-second supporting rod, 28-inner cylinder, 29-cross rod, 30-baffle plate, 31-telescopic rod, 32-magnet block, 33-second motor, 34-unloading plate, 35-second rotating rod, 36-third supporting rod, 37-third motor, 38-belt, 39-fourth supporting rod, 40-bearing wheel, 41-toothbrush handle mould, 42-third rotating rod, 43-flowmeter, 44-electromagnetic valve, 45-injection molding pipe and 46-shock absorption backing plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1

Referring to fig. 1 to 5, in the embodiment of the present invention, an injection molding device for producing a toothbrush includes a base 1 and a heating box 15, the heating box 15 is fixed above the base 1 through a plurality of second support rods 27, a heat insulating layer 16 is disposed in a side wall of the heating box 15, a plurality of annular heating pipes 17 are disposed on an inner wall of the heating box 15 at equal intervals from top to bottom, an inner cylinder 28 is rotatably disposed at a bottom of an inner cavity of the heating box 15, a plurality of cross rods 29 are circumferentially and equidistantly disposed on an inner wall of the inner cylinder 28, a stirring rod assembly 9 is rotatably disposed at a top of the inner cavity of the inner cylinder 28, the stirring rod assembly 9 and the plurality of cross rods 29 are arranged in a mutually staggered manner, a first motor 14 is fixedly disposed on the side wall of the heating box 15 through a motor bracket, a first rotating rod 12 is fixedly connected to an output shaft of the first motor 14, the, the first rotating rod 12 is fixedly provided with a gear 13, and the gear 13 is meshed with the external gear ring 10.

28 tops of inner tube are equipped with feed inlet 8, base 1 top is equipped with loading hopper 5 through many first bracing piece 2 are fixed, be equipped with granule delivery pump 3 on the base 1, loading hopper 5 bottom is equipped with blanking pipe 4, the one end that loading hopper 5 was kept away from to blanking pipe 4 is connected with granule delivery pump 3's input, be connected with passage 6 on granule delivery pump 3's the output, the one end that granule delivery pump 3 was kept away from to passage 6 extends to feed inlet 8 top, 15 tops of heating cabinet are equipped with the first anchor strut 7 that is connected with passage 6, the device is when suspending or when the shut down, feed inlet 8 is located the passage 6 all the time under.

28 bottoms of inner tube rotate and are equipped with injection molding pipe 45, and injection molding pipe 45 lower extreme extends to heating cabinet 15 below, be equipped with flowmeter 43 and solenoid valve 44 on the injection molding pipe 45, heating cabinet 15 lateral wall lower part is equipped with mounting panel 20 perpendicularly, and the one end that heating cabinet 15 was kept away from to mounting panel 20 is equipped with many second anchor strut 18 by preceding to back equidistance, and the equal fixed connection of one end that mounting panel 20 was kept away from to second anchor strut 18 is equipped with a plurality of thermantidotes 19 on the heating cabinet 15, equidistance on the first bracing strut 2 is inlayed.

Fixed transmission device 21 that is equipped with on base 1, transmission device 21 includes many fourth bracing pieces 39, the symmetry is located on base 1 around many fourth bracing pieces 39, all rotate on every fourth bracing piece 39 and install bearing wheel 40, it all is connected through belt 38 to lie in between a plurality of bearing wheels 40 with one side around, the equidistance is equipped with a plurality of draw-in grooves that are used for blocking toothbrush handle mould 41 tip on the belt 38, draw-in groove on two belts 38 is front and back symmetry setting, be connected through third bull stick 42 between two bearing wheels 40 of a plurality of bearing wheels 40 one set of front and back symmetry, be equipped with this group of bearing wheel 40 two fourth bracing pieces 39 wherein one of them is fixed and is equipped with third motor 37, the output shaft of third motor 37 extends to in the fourth bracing piece 39 and is connected with third bull stick 42 one end.

Fixed split platform 23 that is equipped with on base 1, split platform 23 is close to the end fixing of transmission device 21 and is equipped with lower mould mechanism 22, lower mould mechanism 22 includes second bull stick 35 and two third bracing pieces 36, the symmetry is located on split platform 23 around two third bracing pieces 36, second bull stick 35 rotates and locates between two third bracing pieces 36, two third bracing pieces 36 are fixed to be equipped with second motor 33 on one of them, the output shaft of second motor 33 extends to in third bracing piece 36 and is connected with the one end of second bull stick 35, it is equipped with polylith stripper 34 to the equidistance on the second bull stick 35, be close to fixed being equipped with flat board 26 between two fourth bracing pieces 39 of split platform 23, the symmetry is equipped with telescopic link 31 on the flat board 26, telescopic link 31 is electric telescopic handle, the fixed magnet piece 32 that is equipped with between two telescopic link 31 upper ends.

Base 1 internal fixation is equipped with band conveyer 25, and base 1 top is located band conveyer 25 both ends department and is equipped with the opening, and the one end that lower die mechanism 22 was kept away from to splitting platform 23 is equipped with U type guide board 24 to one side, and the one end that splitting platform 23 was kept away from to U type guide board 24 extends to band conveyer 25 top, and fixed being equipped with baffler 30 on the chamber section that is located the band conveyer 25 other end in base 1, is equipped with power source and switch board on the base 1.

When in use, the raw materials for manufacturing the toothbrush handle are poured into the hopper 5 and the particle delivery pump 3 is started to deliver the raw materials to the inner cylinder 28, then the first motor 14 and the annular heating pipe 17 are started, the first motor 14 enables the stirring rod assembly 9 and the cross rod 29 arranged on the inner wall of the inner cylinder 28 to rotate in the opposite direction through gear transmission and the belt transmission mechanism 11, the raw materials in the inner cylinder 28 can be melted and mixed more uniformly, after the raw materials are prepared, the third rotating rod 42 is arranged according to the injection molding capacity of the toothbrush handle mold 41, then the toothbrush handle mold 41 is sequentially placed between the two belts 38, the third motor 37 and the cooling fan 19 are started, the third motor 37 drives the two belts 38 to move through the third rotating rod 42, so that the toothbrush handle mold 41 moves, when the injection molding opening on the toothbrush handle mold 41 moves to be right below the injection molding pipe 45, the third motor 37 stops, the electromagnetic valve 44 is opened, when the injection flow reaches the set value of the flow meter 43, the electromagnetic valve 44 is closed, the third motor 37 is started again, the cycle is repeated, when the injection molded toothbrush handle mold 41 moves to one end of the transmission mechanism 21 close to the detaching table 23 after passing through the cold area of the cooling fan 19, the telescopic rod 31 is extended to enable the magnet block 32 to take the toothbrush handle mold 41 off from between the two belts 38, then the second motor 33 is started to drive the detaching plate 34 to pull the toothbrush handle mold 41 adsorbed on the magnet block 32 onto the detaching table 23 and take the formed toothbrush handle off by the worker, then the empty toothbrush handle mold 41 is placed on the U-shaped guide plate 24, the toothbrush handle mold 41 falls on the belt conveyor 25 along the U-shaped guide plate 24 to be transmitted to the placing end of the transmission mechanism 21, then is taken out by the placing end worker and is placed between the two belts 38 again for injection molding, and the cycle is repeated, simple structure, convenience and practicality.

Example 2

Referring to fig. 6, the embodiment of the present invention is different from embodiment 1 in that, in order to improve the stability of the apparatus, a shock absorbing pad 46 is fixedly disposed at the bottom of the base 1, and the shock absorbing pad 46 can effectively reduce the vibration amplitude of the apparatus during operation, thereby greatly improving the stability of the apparatus.

The working principle of the invention is as follows: when the invention is used, raw materials for manufacturing toothbrush handles are poured into the charging hopper 5 and the particle delivery pump 3 is started to deliver the raw materials to the inner cylinder 28, then the first motor 14 and the annular heating pipe 17 are started, the first motor 14 enables the stirring rod assembly 9 and the cross rod 29 arranged on the inner wall of the inner cylinder 28 to rotate in the opposite direction through gear transmission and the belt transmission mechanism 11, the raw materials in the inner cylinder 28 can be melted and mixed more uniformly, after the raw materials are prepared, the third rotating rod 42 is arranged according to the injection molding capacity of the toothbrush handle mold 41, then the toothbrush handle mold 41 is sequentially placed between the two belts 38, the third motor 37 and the cooling fan 19 are started, the third motor 37 drives the two belts 38 to move through the third rotating rod 42, so that the toothbrush handle mold 41 moves, when an injection molding opening on the toothbrush handle mold 41 moves to be right below the injection molding pipe 45, the third motor 37 stops, the electromagnetic valve 44 is opened, when the injection flow reaches the set value of the flow meter 43, the electromagnetic valve 44 is closed, the third motor 37 is started again, the cycle is repeated, when the injection molded toothbrush handle mold 41 moves to one end of the transmission mechanism 21 close to the detaching table 23 after passing through the cold area of the cooling fan 19, the telescopic rod 31 is extended to enable the magnet block 32 to take the toothbrush handle mold 41 off from between the two belts 38, then the second motor 33 is started to drive the detaching plate 34 to pull the toothbrush handle mold 41 adsorbed on the magnet block 32 onto the detaching table 23 and take the formed toothbrush handle off by the worker, then the empty toothbrush handle mold 41 is placed on the U-shaped guide plate 24, the toothbrush handle mold 41 falls on the belt conveyor 25 along the U-shaped guide plate 24 to be transmitted to the placing end of the transmission mechanism 21, then is taken out by the placing end worker and is placed between the two belts 38 again for injection molding, and the cycle is repeated, simple structure, convenience and practicality.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The injection molding device for producing the toothbrush comprises a base (1) and a heating box (15), wherein the heating box (15) is fixedly arranged above the base (1) through a plurality of second supporting rods (27), and is characterized in that a plurality of annular heating pipes (17) are arranged on the inner wall of the heating box (15) at equal intervals from top to bottom, the bottom of the inner cavity of the heating box (15) is rotatably provided with an inner cylinder (28), a plurality of cross rods (29) are arranged on the inner wall of the inner cylinder (28) at equal intervals in the circumferential direction, the top of the inner cavity of the inner cylinder (28) is rotatably provided with a stirring rod assembly (9), the stirring rod assembly (9) and the cross rods (29) are arranged in a mutually staggered mode, the bottom of the inner cylinder (28) is rotatably provided with an injection molding pipe (45), and the;

the base (1) is fixedly provided with a transmission mechanism (21), the base (1) is fixedly provided with a disassembling platform (23), and the end part of the disassembling platform (23) close to the transmission mechanism (21) is fixedly provided with a lower die mechanism (22).

2. An injection molding device for toothbrush production according to claim 1, wherein a shock absorbing pad (46) is fixedly arranged at the bottom of the base (1).

3. The injection molding device for producing the toothbrush according to claim 1, wherein a first motor (14) is fixedly arranged on the side wall of the heating box (15) through a motor support, a first rotating rod (12) is fixedly connected to an output shaft of the first motor (14), the first rotating rod (12) is connected with the stirring rod assembly (9) through a belt transmission mechanism (11), an outer gear ring (10) is fixedly arranged at the top of the inner cylinder (28), a gear (13) is fixedly arranged on the first rotating rod (12), and the gear (13) is meshed with the outer gear ring (10).

4. The injection molding device for producing the toothbrush according to claim 1, wherein a feeding hole (8) is formed in the top of the inner cylinder (28), a feeding hopper (5) is fixedly arranged above the base (1) through a plurality of first support rods (2), a particle delivery pump (3) is arranged on the base (1), a blanking pipe (4) is arranged at the bottom of the feeding hopper (5), one end, far away from the feeding hopper (5), of the blanking pipe (4) is connected with an input end of the particle delivery pump (3), a material guide pipe (6) is connected to an output end of the particle delivery pump (3), one end, far away from the particle delivery pump (3), of the material guide pipe (6) extends to the position above the feeding hole (8), and a first reinforcing rod (7) connected with the material guide pipe (6) is arranged at the top of the heating box (15).

5. An injection molding apparatus for toothbrush production as claimed in any of claims 1 to 4, wherein the injection molding pipe (45) is provided with a flow meter (43) and a solenoid valve (44).

6. The injection molding device for producing the toothbrush according to claim 1, wherein a mounting plate (20) is vertically arranged at the lower part of the side wall of the heating box (15), a plurality of second reinforcing rods (18) are equidistantly arranged from front to back at one end, far away from the heating box (15), of the mounting plate (20), one ends, far away from the mounting plate (20), of the second reinforcing rods (18) are fixedly connected to the heating box (15), and a plurality of cooling fans (19) are equidistantly embedded in the first supporting rod (2).

7. The injection molding device for producing the toothbrush according to claim 1, wherein the transmission mechanism (21) comprises a plurality of fourth support rods (39), the fourth support rods (39) are symmetrically arranged on the base (1) in a front-back manner, each fourth support rod (39) is rotatably provided with a bearing wheel (40), the bearing wheels (40) which are positioned on the same side in the front-back manner are connected through a belt (38), a plurality of clamping grooves for clamping the end part of the toothbrush handle mold (41) are arranged on the belt (38) at equal intervals, the clamping grooves on the two belts (38) are symmetrically arranged in the front-back manner, one group of two symmetrical bearing wheels (40) in the front-back manner is connected through a third rotating rod (42), a third motor (37) is fixedly arranged on one of the two fourth support rods (39) provided with the group of bearing wheels (40), and an output shaft of the third motor (37) extends into the fourth support rods (39) and is connected with one end of the third rotating rod (42) Are connected.

8. The injection molding device for producing the toothbrush according to claim 1, wherein the lower mold mechanism (22) comprises a second rotating rod (35) and two third support rods (36), the two third support rods (36) are symmetrically arranged on the splitting table (23) in a front-back manner, the second rotating rod (35) is rotatably arranged between the two third support rods (36), one of the two third support rods (36) is fixedly provided with a second motor (33), an output shaft of the second motor (33) extends into the third support rod (36) and is connected with one end of the second rotating rod (35), a plurality of disassembling templates (34) are arranged on the second rotating rod (35) at equal intervals in the circumferential direction, a flat plate (26) is fixedly arranged between the two fourth support rods (39) close to the splitting table (23), telescopic rods (31) are symmetrically arranged on the flat plate (26), and the telescopic rods (31) are electric telescopic rods, a magnet block (32) is fixedly arranged between the upper ends of the two telescopic rods (31).

9. The injection molding device for producing the toothbrush according to claim 1, wherein a belt conveyor (25) is fixedly arranged in the base (1), openings are formed in the positions, located at the two ends of the belt conveyor (25), of the top of the base (1), one end, away from the lower die mechanism (22), of the splitting table (23) is obliquely provided with a U-shaped guide plate (24), one end, away from the splitting table (23), of the U-shaped guide plate (24) extends to the position above the belt conveyor (25), and a blocking plate (30) is fixedly arranged on a cavity section, located at the other end of the belt conveyor (25), in the base (1).