CN218700971U

CN218700971U - A mould for producing dust catcher brush head

Info

Publication number: CN218700971U
Application number: CN202222589424.9U
Authority: CN
Inventors: 邬宗海
Original assignee: Ningbo Zhonghai Electrical Appliance Co ltd
Current assignee: Ningbo Zhonghai Electrical Appliance Co ltd
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2023-03-24
Anticipated expiration: 2032-09-29

Abstract

The utility model relates to a mould for producing dust catcher brush head, including roof, fixed die plate, movable mould board, clamp plate, mould foot and bottom plate, locate the die cavity that is used for producing dust catcher brush head on the movable mould board, the mould foot is two and the upper end connects the both ends of clamp plate lower surface respectively, the both ends of bottom plate upper surface are connected respectively to two mould foot lower extremes, the bottom plate upper surface has been supported and has been connected with first thimble board, first thimble board upper surface is connected with the second thimble board, be connected with a plurality of first thimbles on the second thimble board, first thimble upper end is passed clamp plate and movable mould board and is located the mould intracavity, every first thimble upper end has all cup jointed the second thimble and first thimble top is located the second thimble, every second thimble upper end all integrated into one piece has first ejecting portion, first ejecting portion is located the mould intracavity, first ejecting portion diameter reduces gradually from bottom to top; the technical problems that after the mold in the prior art is demolded, the brush head is time-consuming and labor-consuming to take off from the thimble, and the thimble is easy to damage are solved.

Description

A mould for producing dust catcher brush head

Technical Field

The utility model relates to the technical field of molds, in particular to a mold for producing a dust collector brush head.

Background

The dust collector is a common cleaning device, and the working principle of the dust collector is that a motor rotates at a high speed to enable a dust box to generate certain vacuum, dust enters a dust filtering bag in the dust box through a ground brush, a connecting pipe, a handle, a hose and a main suction pipe, and the dust is left in the dust filtering bag. The dust collector is generally provided with a brush head, and the brush head is provided with a plurality of brush holes for installing a plurality of brushes and can be used for cleaning curtains, walls and the like. The brush head is generally formed by injection molding, a plurality of thimbles are used for stretching into the mold cavity to serve as mold cores of the brush holes during injection molding, a plurality of brush holes can be formed in the brush head after injection molding, and the thimbles are directly used for ejecting the brush head out of the mold cavity during demolding. However, when the brush head is ejected out of the mold cavity, the plurality of thimbles are inserted into the brush holes respectively, so that the brush head can be removed only after being completely pulled out from the thimbles along the axial direction of the thimbles, which causes that the time and labor are wasted when the brush head is taken out from the thimbles, and the thimbles are easily damaged.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model aims to provide a mould for producing the brush head of the dust collector, which is convenient to take the brush head off from a thimble and not easy to damage the thimble.

In order to solve the technical problem, the utility model provides a mould for producing dust catcher brush head, top-down includes the roof in proper order, the fixed die plate, the movable mould board, a pressing plate, gauge feet and bottom plate, locate the die cavity that is used for producing dust catcher brush head on the movable mould board, the gauge feet are two and the both ends that the clamp plate lower surface is connected respectively to the upper end, the both ends of bottom plate upper surface are connected respectively to two gauge feet lower extremes, bottom plate upper surface has supported first thimble board, first thimble board upper surface is connected with the second thimble board, be connected with a plurality of first thimbles on the second thimble board, first thimble upper end passes clamp plate and movable mould board in proper order and is located the die cavity, second thimble and first thimble top are all cup jointed on every first thimble upper end and are located the second thimble, the equal integrated into one piece in every second thimble upper end has first ejecting portion, first ejecting portion is located the die cavity, first ejecting portion diameter reduces from bottom to top gradually.

After the structure is adopted, the utility model relates to a mould for producing dust catcher brush head has following advantage: when the mold is closed and injection molded, the bottom plate, the mold legs, the pressing plate, the movable mold plate, the first ejector plate, the second ejector plate, the first ejector pin and the second ejector pin ascend together, the first ejector part of the second ejector pin is positioned in the mold cavity and serves as a mold core of a brush hole of the brush head, the first ejector plate, the second ejector plate, the first ejector pin and the second ejector pin ascend together during demolding and eject the brush head out of the mold cavity, at the moment, the first ejector part is still connected with the brush head, the brush head is only required to be lifted up slightly along the axis direction of the first ejector part when the brush head is taken down, and the diameter of the first ejector part is gradually reduced from bottom to top, so that the wider part of the brush hole can reach the narrower part of the first ejector part after the brush head moves upwards, therefore, the separation of the brush head and the first ejector part can be realized only by moving the brush head upwards for a certain distance, and the separation of the brush head and the first ejector part is more convenient, time-saving and labor-saving, and the second ejector pin and the first ejector part are not easy to damage.

As an improvement, a third ejector pin is arranged between every two adjacent second ejector pins, a second ejection part is integrally formed at the upper end of each third ejector pin and is positioned in the die cavity, the diameter of the second ejection part is gradually reduced from bottom to top, a first protruding part is arranged on the outer peripheral wall of the bottom end of each second ejector pin, a second protruding part is arranged on the outer peripheral wall of the bottom end of each third ejector pin, two ends of each second protruding part respectively abut against the adjacent first protruding parts, and the lower surfaces of the first protruding part and the second protruding part abut against the pressing plate; by adopting the structure, under the condition of ensuring the inconvenient interval between the first thimbles, the second thimbles and the third thimbles can be utilized to process more hairbrush holes.

As an improvement, two sides of each second protruding part are respectively provided with a first attaching surface, each first protruding part is provided with a second attaching surface used for attaching to the first attaching surface, and each second protruding part is respectively attached to the second attaching surfaces on the adjacent first protruding parts through the first attaching surfaces on the two sides; by adopting the structure, the first veneers on the two sides are respectively adhered to the second veneers, so that the connecting structure between the second thimble and the third thimble is more stable.

As an improvement, a first insert is connected in the movable template, a plurality of first through holes are formed in the first insert, and a plurality of second ejector pins and a plurality of third ejector pins are respectively inserted into one of the first through holes; by adopting the structure, the second ejector pin and the third ejector pin are inserted into the first through hole, so that the second ejector pin and the third ejector pin can be prevented from moving in the injection molding process.

As an improvement, the movable die plate is connected with a plurality of first guide pillars, the upper end of each first guide pillar is exposed above the movable die plate, the fixed die plate is connected with a plurality of guide sleeves, and each first guide pillar is respectively connected in one of the guide sleeves in a sliding manner; by adopting the structure, the first guide pillar and the guide sleeve play a role in guiding, and the movable die plate and the fixed die plate are guaranteed to be successfully matched and opened.

As an improvement, the first ejector plate is connected with a plurality of second guide pillars, and each second guide pillar sequentially passes through the second ejector plate, the pressing plate and the movable template and is in sliding connection with the movable template; by adopting the structure, the second guide pillar is connected with the movable template in a sliding manner, so that the first ejector pin plate, the second ejector pin plate, the first ejector pin and the second ejector pin can be guided when the ejector pins are ejected.

As an improvement, each second guide pillar is sleeved with a return spring, the lower end of the return spring is abutted against the second ejector plate, and the upper end of the return spring is abutted against the movable template; by adopting the structure, the reset spring is compressed during ejection, and the compressed reset spring enables the first thimble plate, the second thimble plate, the first thimble and the second thimble to automatically reset after ejection.

Drawings

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

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Fig. 3 is a schematic view of an exploded structure of the second thimble, the third thimble and the first insert of the present invention.

Fig. 4 is a schematic diagram of the overall three-dimensional structure of the present invention.

Fig. 5 is a schematic view of a connection structure between the first guide pillar and the guide sleeve of the present invention.

Reference numerals: 1. a top plate; 2. fixing a template; 3. moving the template; 4. pressing a plate; 5. a mould leg; 6. a base plate; 7. a mold cavity; 8. a first ejector plate; 9. a second ejector plate; 10. a first thimble; 11. a second thimble; 12. a first ejection part; 13. a third thimble; 14. a second ejection part; 15. a first protrusion; 16. a second protrusion; 17. a first overlay; 18. a second overlay; 19. a first insert; 20. a first through hole; 21. a first guide post; 22. a guide sleeve; 23. a second guide post; 24. a return spring.

Detailed Description

The following describes the mold for producing the brush head of the vacuum cleaner in detail with reference to the attached drawings.

As shown in fig. 1 to 5, a mold for producing a dust collector bristle head sequentially comprises a top plate 1, a fixed mold plate 2, a movable mold plate 3, a pressing plate 4, mold feet 5 and a bottom plate 6 from top to bottom, wherein a mold cavity 7 for producing the dust collector bristle head is arranged on the movable mold plate 3, the specific structure of the mold cavity 7 is the prior art, and is not described again; the upper ends of the two mold legs 5 are respectively connected with the two ends of the lower surface of the pressing plate 4, and the lower ends of the two mold legs 5 are respectively connected with the two ends of the upper surface of the bottom plate 6; a first ejector pin plate 8 is abutted to the upper surface of the bottom plate 6, a second ejector pin plate 9 is connected to the upper surface of the first ejector pin plate 8, a plurality of first ejector pins 10 are connected to the second ejector pin plate 9, the upper ends of the first ejector pins 10 sequentially penetrate through the pressing plate 4 and the movable die plate 3 and are located in the die cavity 7, a second ejector pin 11 is sleeved at the upper end of each first ejector pin 10, the top end of each first ejector pin 10 is located in the second ejector pin 11, a first ejection part 12 is integrally formed at the upper end of each second ejector pin 11, the first ejection part 12 is located in the die cavity 7, and the diameter of the first ejection part 12 is gradually reduced from bottom to top; in addition, a third thimble 13 is arranged between every two adjacent second thimbles 11, a second ejection portion 14 is integrally formed at the upper end of each third thimble 13, the second ejection portion 14 is located in the mold cavity 7, the diameter of the second ejection portion 14 is gradually reduced from bottom to top, the shape and the size of the second ejection portion 14 are the same as those of the first ejection portion 12, a first protrusion portion 15 is arranged on the outer peripheral wall of the bottom end of each second thimble 11, a second protrusion portion 16 is arranged on the outer peripheral wall of the bottom end of each third thimble 13, the first protrusion portion 15 and the second protrusion portion 16 are respectively arranged along the circumferential direction of the second thimble 11 and the third thimble 13, the bottom ends of the first protrusion portion 15 are respectively flush with the bottom ends of the second thimble 11 and the third thimble 13, two ends of each second protrusion portion 16 are respectively abutted against the adjacent first protrusion portions 15, that is the left end and the right end of the second protrusion portion 16 in fig. 2 are respectively abutted against the first protrusion portions 15 on the left side and the right side, and the lower surface of the pressing plate 4.

As shown in fig. 3, each of the second protruding portions 16 is provided with first attaching surfaces 17 on both sides, each of the first protruding portions 15 is provided with second attaching surfaces 18 for attaching to the first attaching surfaces 17, each of the first attaching surfaces 17 and the second attaching surfaces 18 is a plane, each of the second protruding portions 16 is respectively attached to the second attaching surfaces 18 of the adjacent first protruding portions 15 through the first attaching surfaces 17 on both sides, in other words, except for the two first protruding portions 15 located on both sides, the other first protruding portions 15 are respectively attached to the first attaching surfaces 17 of the adjacent second protruding portions 16 through the second attaching surfaces 18 on both sides, and only one second attaching surface 18 is provided on each of the first protruding portions 15 on both sides to be attached to the first attaching surface 17 of the second protruding portion 16 located inside. In addition, in order to further fix the second thimble 11 and the third thimble 13, a first insert 19 is connected in the movable die plate 3, that is, the first insert 19 is disposed in the die cavity 7, a plurality of first through holes 20 are disposed on the first insert 19, and a plurality of the second thimble 11 and a plurality of the third thimble 13 are respectively inserted into one of the first through holes 20.

When the mold is closed and injection-molded, the bottom plate 6, the mold legs 5, the pressing plate 4, the movable mold plate 3, the first ejector pin plate 8, the second ejector pin plate 9, the first ejector pin 10, the second ejector pin 11 and the third ejector pin 13 are lifted together, the first ejector part 12 of the second ejector pin 11 and the second ejector part 14 of the third ejector pin 13 are all located in the mold cavity 7 and serve as a mold core of a brush head, when the mold is opened, the bottom plate 6, the mold legs 5, the pressing plate 4, the movable mold plate 3, the first ejector pin plate 8, the second ejector pin plate 9, the first ejector pin 10, the second ejector pin 11 and the third ejector pin 13 are lifted together during mold opening, the brush head is ejected out of the mold cavity 7, the first ejector part 12 and the second ejector part 14 are still connected with the brush head, when the brush head is taken down, the brush head can be separated from the second ejector pin plate 12 and the second ejector pin 14 only by slightly, the distance between the first ejector pin 12 and the second ejector part 14 is reduced, and the distance between the second ejector pin 12 and the second ejector part can be reduced, and the distance between the second ejector pin 14 is reduced, and the distance between the second ejector head can be reduced, and the distance between the second ejector part can be reduced.

As shown in fig. 5, the movable mold plate 3 is connected with a plurality of first guide posts 21, the upper end of each first guide post 21 is exposed above the movable mold plate 3, the fixed mold plate 2 is connected with a plurality of guide sleeves 22, and each first guide post 21 is respectively connected in one of the guide sleeves 22 in a sliding manner; in this embodiment, the first guide pillars 21 and the guide sleeves 22 are four and four corners of each of the first guide pillars and the guide sleeves are respectively disposed on the movable die plate 3 and the fixed die plate 2.

As shown in fig. 5, the first ejector plate 8 is connected with a plurality of second guide pillars 23, each second guide pillar 23 sequentially passes through the second ejector plate 9, the pressing plate 4 and the movable die plate 3 and is slidably connected with the movable die plate 3, each second guide pillar 23 is sleeved with a return spring 24, the lower end of the return spring 24 abuts against the second ejector plate 9, and the upper end of the return spring abuts against the movable die plate 3.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above-mentioned one, and all other embodiments obtained by those skilled in the art without any inventive work belong to the protection scope of the present invention.

Claims

1. A mould for producing a dust collector brush head is characterized by sequentially comprising a top plate (1), a fixed mould plate (2), a movable mould plate (3), a pressure plate (4), mould feet (5) and a bottom plate (6) from top to bottom, the movable mould plate (3) is arranged on a mould cavity (7) for producing the brush head of the dust collector, the upper ends of the two mould feet (5) are respectively connected with the two ends of the lower surface of the pressure plate (4), the lower ends of the two mould feet (5) are respectively connected with the two ends of the upper surface of the bottom plate (6), the upper surface of the bottom plate (6) is connected with a first ejector plate (8) in an abutting mode, the upper surface of the first ejector pin plate (8) is connected with a second ejector pin plate (9), the second thimble plate (9) is connected with a plurality of first thimbles (10), the upper end of the first thimble (10) sequentially penetrates through the pressing plate (4) and the movable mould plate (3) and is positioned in the mould cavity (7), the upper end of each first thimble (10) is sleeved with a second thimble (11), the top end of the first thimble (10) is positioned in the second thimble (11), a first ejection part (12) is integrally formed at the upper end of each second thimble (11), the first ejection part (12) is positioned in the die cavity (7), and the diameter of the first ejection part (12) is gradually reduced from bottom to top.

2. The mold for producing the brush head of the dust collector according to claim 1, wherein a third pin (13) is disposed between every two adjacent second pins (11), a second ejecting portion (14) is integrally formed at the upper end of each third pin (13), the second ejecting portion (14) is located in the mold cavity (7), the diameter of the second ejecting portion (14) is gradually reduced from bottom to top, a first protruding portion (15) is disposed on the outer circumferential wall of the bottom end of each second pin (11), a second protruding portion (16) is disposed on the outer circumferential wall of the bottom end of each third pin (13), two ends of each second protruding portion (16) respectively abut against the adjacent first protruding portions (15), and the lower surfaces of the first protruding portion (15) and the second protruding portions (16) abut against the pressing plate (4).

3. A mould for producing a cleaner bristle according to claim 2, wherein each of the second protrusions (16) is provided with first facing surfaces (17) on both sides, each of the first protrusions (15) is provided with second facing surfaces (18) for facing the first facing surfaces (17), and each of the second protrusions (16) is respectively faced with the second facing surfaces (18) of the adjacent first protrusions (15) by the first facing surfaces (17) on both sides.

4. The mold for producing a vacuum cleaner bristle head according to claim 2, wherein a first insert (19) is connected to the movable mold plate (3), the first insert (19) is provided with a plurality of first through holes (20), and a plurality of the second ejector pins (11) and a plurality of the third ejector pins (13) are respectively inserted into one of the first through holes (20).

5. The mold for producing a vacuum cleaner bristle head according to claim 1, wherein a plurality of first guide posts (21) are attached to the movable platen (3), an upper end of each first guide post (21) is exposed above the movable platen (3), a plurality of guide sleeves (22) are attached to the stationary platen (2), and each first guide post (21) is slidably attached to one of the guide sleeves (22).

6. The mold for producing a vacuum cleaner bristle head according to claim 1, wherein a plurality of second guide posts (23) are connected to the first ejector plate (8), and each second guide post (23) passes through the second ejector plate (9), the pressing plate (4) and the movable platen (3) in sequence and is slidably connected with the movable platen (3).

7. The mold for producing the brush head of the dust collector as claimed in claim 6, wherein each second guide post (23) is sleeved with a return spring (24), the lower end of the return spring (24) is abutted with the second ejector plate (9), and the upper end of the return spring is abutted with the movable template (3).