CN217257946U

CN217257946U - Forming die of fishing box

Info

Publication number: CN217257946U
Application number: CN202123071951.2U
Authority: CN
Inventors: 麻军飞
Original assignee: Ningbo Qingshanqing Auto Parts Co ltd
Current assignee: Ningbo Qingshanqing Auto Parts Co ltd
Priority date: 2021-12-08
Filing date: 2021-12-08
Publication date: 2022-08-23
Anticipated expiration: 2031-12-08

Abstract

The utility model discloses a fishing box's forming die, its shedder include be used for deviating from the hem demoulding mechanism who angles case opening end edge hem and be used for deviating from the screw hole demoulding mechanism who angles case bottom of the case department through-wire hole, and hem demoulding mechanism's drawing of patterns direction is vertical direction, and screw hole demoulding mechanism's drawing of patterns direction is for rotatory and go out and the total direction of drawing of patterns is perpendicular with hem demoulding mechanism's drawing of patterns direction. The forming die can solve the problem of demoulding actions in different directions and different movement modes, so that the process is simple, the production efficiency is high, and the product quality can be ensured.

Description

Forming die of fishing box

Technical Field

The utility model relates to a forming die technical field specifically says a fishing box's forming die.

Background

The main function of the fishing box is to keep cold, and the fishing box can be used as a stool and can also store fishing gear or fish, and is a functional platform convenient for fishing friends during fishing, so that the fishing box is an important auxiliary tool in fishing activities. Currently, a fishing box is usually made of plastics, as shown in the attached figure 1, the whole fishing box is box-shaped and is a fishing box body 1-1, the edge of the bottom of the box body is provided with a through line hole 1-2, and the through line hole 1-2 is a threaded hole; moreover, a circle of convex folded edges 1-3 are arranged on the edge of the opening of the fishing box body 1-1; therefore, on the one hand, the demoulding directions of the folded edge 1-3 and the through hole 1-2 are different, which is easy to cause interference, and on the other hand, the through hole 1-2 is a threaded hole, which is more complicated to demould, and the moving direction of the through hole during demoulding is rotating, which can not cause thread breakage.

In addition, the fishing box is a shell-shaped product, and the wall of the fishing box is thin, so that the fishing box is easily adsorbed on a core when the product is demolded after injection molding, and the demolding difficulty is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a forming die of fishing box that can solve the drawing of patterns action of equidirectional, different motion modes through the mould is provided.

In order to solve the technical problem, the utility model provides a forming die of a fishing box, which comprises an upper die and a lower die, wherein the upper die and the lower die form a product cavity after die assembly, and a demoulding device is arranged between the upper die and the lower die; the demolding device comprises a flanging demolding mechanism used for removing a flange on the edge of the opening end of the fishing box and a threaded hole demolding mechanism used for removing a through line hole at the bottom of the fishing box, the demolding direction of the flanging demolding mechanism is vertical, the demolding direction of the threaded hole demolding mechanism is rotated to be discharged, and the total mold discharging direction is perpendicular to the demolding direction of the flanging demolding mechanism; the threaded hole demoulding mechanism comprises a motor, a two-stage or more than two-stage gear reduction device and a threaded hole mandrel; one end of the threaded hole mandrel is a forming end of a forming through hole, the other end of the threaded hole mandrel is connected with the motor through a gear reduction device, and the gear reduction device and the motor are both installed on the lower die.

The threaded hole demoulding mechanism further comprises a gear box connected to the lower die, a gear reduction device is installed in the gear box, and the motor is connected to the end face of the gear box.

The gear reduction device is in secondary gear transmission and comprises a driving gear fixedly connected with an output shaft of the motor, a primary reduction gear meshed with the driving gear and a secondary reduction gear meshed with the primary reduction gear, the primary reduction gear is rotatably connected onto the gear box, and the secondary reduction gear is fixedly connected onto a threaded hole mandrel.

One end of the threaded hole mandrel close to the forming end is connected with the lower die through a connecting ring, the other end of the threaded hole mandrel is rotatably connected to the gear box, the part, extending out of the gear box, of the threaded hole mandrel connected with the gear box is an extension section, and a limiting device is arranged on the extension section.

The limiting device comprises two travel switches, a limiting block and a travel switch mounting plate; the travel switch mounting plate is connected to the end face of the gear box, the two travel switches are parallelly mounted on the travel switch mounting plate, and the limiting block is mounted on the extension section and is abutted against or separated from the two travel switches.

The two ends of the limiting block in the axis direction are both conical surfaces, and the middle section is a cylindrical section.

The ejection mechanism of the forming die is a pneumatic ejector rod mechanism, a hollow air passage is arranged in the pneumatic ejector rod, and the air passage is communicated with an external air pump.

After the structure more than adopting, compared with the prior art, the utility model, have following advantage:

1) the through hole is formed by rotating the threaded hole demolding mechanism, so that the inner wall of the internal thread cannot be damaged by demolding of the through hole; after the threaded hole demoulding and the flanging demoulding are sequentially carried out, the ejection mechanism is used for ejecting the materials out, so that the demoulding of each part of the fishing box is prevented from generating interference; the two-stage or more than two-stage gear reduction device designed in the threaded hole demoulding mechanism reduces the rotating speed of the threaded hole mandrel to a proper rotating speed, and the rotating speed of the threaded hole mandrel can be adjusted by adjusting the gear ratio so as to adapt to different requirements;

2) the threaded hole mandrel is connected to the lower die through the connecting ring and the gear box, so that the threaded hole mandrel is more firmly installed and more stable in rotation;

3) the design of the limiting device on the extension section of the threaded hole mandrel ensures that the stroke of the threaded hole mandrel is more accurate, thereby ensuring the forming quality of a product;

4) after the pneumatic ejection mechanism is adopted, the air pump blows air to the plastic product from the pneumatic ejector rod, so that the separation of the mold core and the plastic product is realized, and the ejection of the product is easier.

Drawings

Fig. 1 is a schematic structural view of the fishing box of the present invention.

Fig. 2 is a schematic structural view of the forming mold of the fishing box of the present invention.

Fig. 3 is a schematic structural diagram of the middle threaded hole demoulding mechanism of the utility model.

Wherein: 1-1, fishing box body; 1-2, a through hole; 1-3, folding edges; 2. a motor; 3. a threaded hole mandrel; 4. a connecting ring; 5. a gear case; 6. a driving gear; 7. a primary reduction gear; 8. a secondary reduction gear; 9. a travel switch mounting plate; 10. a travel switch; 11. an extension section; 12. and a limiting block.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As can be seen from the schematic structural diagrams of the forming mold of the fishing box of the present invention shown in fig. 1 to 3, the forming mold comprises an upper mold and a lower mold, the upper mold and the lower mold form a product cavity after mold closing, and a demolding device is arranged between the upper mold and the lower mold; the demolding device comprises a flanging demolding mechanism used for removing a flanging 1-3 from the edge of the opening end of the fishing box and a threaded hole demolding mechanism used for removing a through hole 1-2 from the bottom of the fishing box, wherein the demolding direction of the flanging demolding mechanism is vertical, the demolding direction of the threaded hole demolding mechanism is rotated to be discharged, and the demolding direction of the threaded hole demolding mechanism is perpendicular to that of the flanging demolding mechanism; the threaded hole demoulding mechanism comprises a motor 2, a two-stage or more than two-stage gear reduction device and a threaded hole mandrel 3; one end of the threaded hole mandrel 3 is a forming end of a forming through hole 1-2, the other end of the threaded hole mandrel is connected with the motor 2 through a gear reduction device, and the gear reduction device and the motor 2 are both installed on the lower die.

The threaded hole demoulding mechanism further comprises a gear box 5 connected to the lower die, a gear reduction device is installed in the gear box 5, and the motor 2 is connected to the end face of the gear box 5.

The gear reduction device is in secondary gear transmission and comprises a driving gear 6 fixedly connected with an output shaft of the motor 2, a primary reduction gear 7 meshed with the driving gear 6 and a secondary reduction gear 8 meshed with the primary reduction gear 7, wherein the primary reduction gear 7 is rotatably connected to the gear box 5, and the secondary reduction gear 8 is fixedly connected to the threaded hole mandrel 3.

One end of the threaded hole mandrel 3 close to the forming end is connected with the lower die through a connecting ring 4, the other end of the threaded hole mandrel 3 is rotatably connected to a gear box 5, the part, extending out of the gear box 5, of the threaded hole mandrel 3 connected with the gear box 5 is an extending section, and a limiting device is arranged on the extending section.

The limiting device comprises two travel switches 10, a limiting block 12 and a travel switch mounting plate 9; the travel switch mounting plate 9 is connected to the end face of the gear box 5, the two travel switches 10 are parallelly mounted on the travel switch mounting plate 9, and the limiting block 12 is mounted on the extension section and is abutted against or separated from the two travel switches 10.

The two ends of the limiting block 12 in the axis direction are both conical surfaces, and the middle section is a cylindrical section.

The above description is only a preferred practical example of the present invention, and the scope of the present invention should not be limited thereby, and various other changes and modifications made by the technical solutions and concepts of the present invention should fall within the protection scope of the present invention.

Claims

1. A forming die of a fishing box comprises an upper die and a lower die, wherein a product cavity is formed by the upper die and the lower die after die assembly, and a demoulding device is arranged between the upper die and the lower die; the method is characterized in that: the demolding device comprises a folding demolding mechanism used for demolding a folding edge (1-3) of the edge of the opening end of the fishing box and a threaded hole demolding mechanism used for demolding a through line hole (1-2) at the bottom of the fishing box, wherein the demolding direction of the folding demolding mechanism is the vertical direction, the demolding direction of the threaded hole demolding mechanism is rotated to be discharged, and the demolding direction of the threaded hole demolding mechanism is perpendicular to the demolding direction of the folding demolding mechanism; the threaded hole demoulding mechanism comprises a motor (2), a two-stage or more than two-stage gear reduction unit and a threaded hole mandrel (3); one end of the threaded hole mandrel (3) is a forming end of a forming through hole (1-2), the other end of the threaded hole mandrel is connected with the motor (2) through a gear reduction device, and the gear reduction device and the motor (2) are both installed on the lower die.

2. The mold for molding a fishing box according to claim 1, wherein: the threaded hole demoulding mechanism further comprises a gear box (5) connected to the lower die, a gear reduction device is installed in the gear box (5), and the motor (2) is connected to the end face of the gear box (5).

3. The molding die for a fishing box of claim 2, wherein: the gear reduction device is in secondary gear transmission and comprises a driving gear (6) fixedly connected with an output shaft of a motor (2), a primary reduction gear (7) meshed with the driving gear (6) and a secondary reduction gear (8) meshed with the primary reduction gear (7), wherein the primary reduction gear (7) is rotatably connected to a gear box (5), and the secondary reduction gear (8) is fixedly connected to a threaded hole mandrel (3).

4. The molding die for a fishing box of claim 2, wherein: one end, close to the forming end, of the threaded hole mandrel (3) is connected with the lower die through a connecting ring (4), the other end of the threaded hole mandrel is rotatably connected onto the gear box (5), the part, extending out of the gear box (5), of the threaded hole mandrel (3) connected with the gear box (5) is an extension section, and a limiting device is arranged on the extension section.

5. The molding die for a fishing box of claim 4, wherein: the limiting device comprises two travel switches (10), a limiting block (12) and a travel switch mounting plate (9); travel switch mounting panel (9) are connected on gear box (5) terminal surface, and two travel switches (10) parallel mount are on travel switch mounting panel (9), and stopper (12) are installed on the extension and are supported tightly or are disengaged with two travel switches (10).

6. The molding die for a fishing box of claim 5, wherein: the two ends of the limiting block (12) in the axis direction are conical surfaces, and the middle section is a cylindrical section.

7. The mold for molding a fishing box according to claim 1, wherein: the ejection mechanism of the forming die is a pneumatic ejector rod mechanism, a hollow air passage is arranged in the pneumatic ejector rod, and the air passage is communicated with an external air pump.