CN216300007U

CN216300007U - Structure of punching a hole in tuber pipe mould

Info

Publication number: CN216300007U
Application number: CN202123098953.0U
Authority: CN
Inventors: 徐光伦
Original assignee: Hangzhou Guangneng Rongneng Auto Parts Co ltd
Current assignee: Hangzhou Guangneng Rongneng Auto Parts Co ltd
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-04-15
Anticipated expiration: 2031-12-10

Abstract

The utility model relates to the technical field of air pipe processing, and discloses an air pipe in-mould punching structure which comprises a left mould, a right mould and a central rod, wherein annular grooves are formed in the middle parts of the left mould and the right mould, the central rod is movably connected with an inner cavity of the annular groove, a first electric telescopic rod is embedded in the middle part of the left side of the left mould, the other end of the first electric telescopic rod is connected with one end of the central rod through a connecting block, a through hole is formed in one side of the left mould, and an inner cavity of the through hole is movably connected with a punching pipe. This air pipe mould inner punching structure, through the setting of second electric telescopic handle and punching pipe, the flexible position that can change the punching pipe of being connected with it of second electric telescopic handle, the punching pipe can punch a hole for the tuber pipe, and the punching pipe can extrude the sheltering cover at the in-process that punches a hole, shelters from the inner chamber removal to the movable hole under the effect of pressure of lid, the punching a hole of the pipe of being convenient for.

Description

Structure of punching a hole in tuber pipe mould

Technical Field

The utility model relates to the technical field of air pipe processing, in particular to an air pipe in-mold punching structure.

Background

At the present stage, the structural holes on the injection-molded parts with structural holes, such as air pipes, are processed and formed in a mode of firstly injection molding and then punching, or the structural hole positions are arranged during injection molding. The production mode of moulding plastics earlier and punching a hole has the product circulation number of times many, and the frock location is inaccurate, and process time is long, easily produces defective products scheduling problem at circulation and the in-process that punches a hole. And to setting up the technological mode of structure hole site in order to form the structure hole when moulding plastics, because the hole site hinders the flow direction of plastics, the hole site limit can produce the weld line, it can influence the outward appearance and the intensity of product, therefore need spray paint in order to cover the weld line to the product again, this increase that can cause the process, and still produce defects such as bubble easily when spraying paint and toast, on the other hand is to setting up the processing mode of structure hole site, also need develop two sets of moulds to porose and sclausura's product, thereby also can cause the mould development cost great.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides an air duct in-mold punching structure which has the advantages of punching an air duct which is not demolded and is formed, simplifying the processing steps of the air duct, improving the quality and the processing efficiency of the air duct and solving the problems in the background art.

The utility model provides the following technical scheme: a punching structure in an air pipe die comprises a left die, a right die and a central rod, wherein annular grooves are formed in the middle of the left die and the right die, the central rod is movably connected with an inner cavity of the annular grooves, a first electric telescopic rod is embedded in the middle of the left side of the left die, the other end of the first electric telescopic rod is connected with one end of the central rod through a connecting block, a through hole is formed in one side of the left die, the inner cavity of the through hole is movably connected with a punching pipe, two sides of the left end of the punching pipe are connected with one end of a second electric telescopic rod, the other end of the second electric telescopic rod is connected with the left die, a vacuum chuck is movably connected with the inner cavity of the punching pipe, a connecting pipe is arranged in the middle of the top of the vacuum chuck, the other end of the connecting pipe is connected with an air inlet of a vacuum pump connected with the left die, one side of the top of the vacuum chuck is connected with one end of a third electric telescopic rod, the other end of the third electric telescopic rod is connected with the tail end of an output shaft of the rotating motor through a fixing sleeve, the rotating motor is connected with a left die, a movable hole is formed in the left side of the center rod and is matched with the through hole, a spring is connected to the middle of the bottom of an inner cavity of the movable hole, a shielding cover is connected to the other end of the spring, and the shielding cover is movably connected with the inner cavity of the movable hole.

Preferably, the diameter of the central rod is the same as the inner diameter of the air pipe, and the distance between the central rod and the inner wall of the left die is the same as the wall thickness of the air pipe.

Preferably, the outer surface of the shielding cover is flush with the outer surface of the movable hole, and the center of the shielding cover and the center of the punching tube are at the same height in the injection molding process.

Preferably, the outer diameter of the punching pipe is the same as the diameter of the hole in the air pipe, and the bottom of the punching pipe is flush with the inner wall of the left die.

Preferably, a supporting column is arranged at the top of the left die, the rotating motor is connected with the top of the supporting column, and the telescopic length value of the third electric telescopic rod is greater than the sum of the length value of the punching pipe and the length value of the wall thickness of the air pipe.

Compared with the prior art, the utility model has the following beneficial effects:

1. this air pipe mould inner punching structure, through the setting of second electric telescopic handle and punching pipe, the flexible position that can change the punching pipe of being connected with it of second electric telescopic handle, the punching pipe can punch a hole for the tuber pipe, and the punching pipe can extrude the sheltering cover at the in-process that punches a hole, shelters from the inner chamber removal to the movable hole under the effect of pressure of lid, the punching a hole of the pipe of being convenient for.

2. This structure of punching a hole in tuber pipe mould through the setting of third electric telescopic handle, rotation motor and vacuum pump, the part that washes away on the tuber pipe can remove to the side of the pipe that punches a hole along with vacuum chuck, and the vacuum pump during stop work, the part that washes away on the tuber pipe separates with vacuum chuck under the effect of gravity, and this structure possesses the function of punching a hole automatically and arrange the sediment, has improved the device's practicality.

Drawings

FIG. 1 is a schematic front view of the structure of the present invention;

FIG. 2 is an exploded view of the present invention shown in FIG. 1;

FIG. 3 is a schematic view of a vacuum chuck of the present invention.

In the figure: 1. a left die; 2. a right die; 3. a vacuum pump; 4. a first electric telescopic rod; 5. a center pole; 6. punching a hole pipe; 7. a second electric telescopic rod; 8. a third electric telescopic rod; 9. a movable hole; 10. a spring; 11. a shielding cover; 12. rotating the motor; 13. a vacuum chuck; 14. a connecting pipe; 15. and (4) a support column.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, a punching structure in an air duct mold comprises a left mold 1, a right mold 2 and a central rod 5, wherein annular grooves are formed in the middle of the left mold 1 and the right mold 2, holes are formed in the two ends of the left mold 1 and the right mold 2 when the left mold 1 and the right mold 2 are in contact, the central rod 5 is movably connected with the inner cavity of the holes, the diameter of the central rod 5 is the same as the inner diameter of the air duct, the distance between the central rod 5 and the inner wall of the left mold 1 is the same as the wall thickness of the air duct, the inner cavities of the left mold 1 and the right mold 2 can form a tubular structure through the arrangement of the central rod 5, so that the air duct can be conveniently injected, a first electric telescopic rod 4 is embedded in the middle of the left side of the left mold 1, the other end of the first electric telescopic rod 4 is connected with one end of the central rod 5 through a connecting block, and the position of the central rod 5 connected with the first electric telescopic rod 4 can be changed through the arrangement of the first electric telescopic rod 4, the central rod 5 can be contacted with or separated from the opening, which is convenient for the injection molding and demolding of the air pipe, one side of the left die 1 is provided with a through hole, the inner cavity of the through hole is movably connected with a punching pipe 6, the outer diameter of the punching pipe 6 is the same as the diameter of the hole on the air pipe, the bottom of the punching pipe 6 is flush with the inner wall of the left die 1, both sides of the left end of the punching pipe 6 are connected with one end of a second electric telescopic rod 7, through the arrangement of the second electric telescopic rod 7, the position of the punching pipe 6 connected with the second electric telescopic rod 7 can be changed through the expansion and contraction of the second electric telescopic rod 7, when the punching pipe 6 moves towards the inner cavity of the left die 1, the punching pipe 6 can punch a hole on the air pipe, which is convenient for the production of the air pipe, the other end of the second electric telescopic rod 7 is connected with the left die 1, the inner cavity of the punching pipe 6 is movably connected with a vacuum chuck 13, the middle part at the top of the vacuum chuck 13 is provided with a connecting pipe 14, the other end of the connecting pipe 14 is connected with the air inlet of a vacuum pump 3 connected with the left die 1, through the arrangement of the vacuum sucker 13 and the vacuum pump 3, the vacuum pump 3 can pump air away between the vacuum sucker 13 and the part of the air pipe which is washed away, the part of the air pipe which is cut away is convenient to discharge, one side of the top of the vacuum sucker 13 is connected with one end of a third electric telescopic rod 8, the telescopic length value of the third electric telescopic rod 8 is 1.5 times of the sum of the length value of the punching pipe 6 and the length value of the wall thickness of the air pipe, the vacuum sucker 13 can move to the upper part of the punching pipe 6, the slag discharge is convenient, through the arrangement of the third electric telescopic rod 8, the telescopic position of the vacuum sucker 13 which is connected with the third electric telescopic rod 8 can be changed through the telescopic of the third electric telescopic rod 8, the part of the vacuum sucker 13 which is cut away is convenient to move, the other end of the third electric telescopic rod 8 is connected with the tail end of the output shaft of the rotating motor 12 through a fixing sleeve, the supporting column 15 is arranged at the top of the left die 1, the rotating motor 12 is connected with the top of the supporting column 15, through the setting of rotating motor 12, the rotation of rotating motor 12 can drive the rotation of the third electric telescopic handle 8 of being connected with it, third electric telescopic handle 8 drives vacuum chuck 13 and rotates, the part of cutting away can remove to the side of punching tube 6, be convenient for punch a hole, the left side of well core rod 5 is equipped with movable hole 9, movable hole 9 and through hole adaptation, the middle part of movable hole 9 inner chamber bottom is connected with spring 10, spring 10's the other end is connected with shelters from lid 11, through the setting of spring 10, the height that shelters from lid 11 can change, be convenient for punch a hole, shelter from lid 11 and movable hole 9's inner chamber swing joint, shelter from the surface of lid 11 and flush with movable hole 9's surface, in the injection molding process, the center that shelters from lid 11 and the center of punching tube 6 are at the same height, through the setting that shelters from lid 11, be convenient for mould plastics.

The working principle is as follows: when the device is used, the bottom of the vacuum sucker 13 and the bottom of the punching pipe 6 are both the same, after the air pipe is subjected to injection molding, the third electric telescopic rod 8 drives the vacuum sucker 13 to be away from the air pipe, the vacuum sucker 13 is separated from the air pipe, the second electric telescopic rod 7 is electrified, the second electric telescopic rod 7 drives the punching pipe 6 to move towards the inner cavity of the left die 1, the punching pipe 6 can punch a hole on the air pipe in the moving process, after the hole is punched, the third electric telescopic rod 8 drives the vacuum sucker 13 to be in contact with the part flushed by the air pipe, the vacuum pump 3 is electrified, the vacuum pump 3 pumps air between the vacuum sucker 13 and the part flushed by the air pipe, the part flushed by the air pipe is connected with the vacuum sucker 13, the third electric telescopic rod 8 works, the third electric telescopic rod 8 drives the vacuum sucker 13 to be away from the air pipe, the part flushed by the air pipe can be moved to the position of the punching pipe 6, the rotating motor 12 is electrified according to the requirements, the rotating motor 12 drives the vacuum chuck 13 to rotate, the flushed part of the air pipe moves to the outer side of the punching pipe 6, the vacuum pump 3 stops working, the flushed part of the air pipe is separated from the vacuum chuck 13 under the action of gravity, and the structure realizes punching and slag discharge of the air pipe in the injection molding process.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a structure of punching a hole in tuber pipe mould, includes left mould (1), right mould (2) and king-rod (5), its characterized in that: the middle parts of the left die (1) and the right die (2) are respectively provided with a ring groove, the central rod (5) is movably connected with the inner cavity of the ring groove, the left middle part of the left die (1) is embedded with a first electric telescopic rod (4), the other end of the first electric telescopic rod (4) is connected with one end of the central rod (5) through a connecting block, one side of the left die (1) is provided with a through hole, the inner cavity of the through hole is movably connected with a punching pipe (6), the two sides of the left end of the punching pipe (6) are respectively connected with one end of a second electric telescopic rod (7), the other end of the second electric telescopic rod (7) is connected with the left die (1), the inner cavity of the punching pipe (6) is movably connected with a vacuum chuck (13), the middle part at the top of the vacuum chuck (13) is provided with a connecting pipe (14), the other end of the connecting pipe (14) is connected with the air inlet of a vacuum pump (3) connected with the left die (1), one side at vacuum chuck (13) top is connected with the one end of third electric telescopic handle (8), the other end of third electric telescopic handle (8) is through fixed cover and the output shaft end-to-end connection who rotates motor (12), it is connected with left mould (1) to rotate motor (12), the left side of well core rod (5) is equipped with movable hole (9), movable hole (9) and through hole adaptation, the middle part of movable hole (9) inner chamber bottom is connected with spring (10), the other end of spring (10) is connected with shelters from lid (11), shelter from the inner chamber swing joint of lid (11) and movable hole (9).

2. The air duct in-mold punching structure according to claim 1, wherein: the diameter of the central rod (5) is the same as the inner diameter of the air pipe, and the distance between the central rod (5) and the inner wall of the left die (1) is the same as the wall thickness of the air pipe.

3. The air duct in-mold punching structure according to claim 1, wherein: the outer surface of the shielding cover (11) is flush with the outer surface of the movable hole (9), and the center of the shielding cover (11) and the center of the punching tube (6) are at the same height in the injection molding process.

4. The air duct in-mold punching structure according to claim 1, wherein: the outer diameter of the punching pipe (6) is the same as the diameter of the hole in the air pipe, and the bottom of the punching pipe (6) is flush with the inner wall of the left die (1).

5. The air duct in-mold punching structure according to claim 1, wherein: the top of the left die (1) is provided with a supporting column (15), the rotating motor (12) is connected with the top of the supporting column (15), and the telescopic length of the third electric telescopic rod (8) is greater than the sum of the length of the punching pipe (6) and the length of the wall thickness of the air pipe.