CN216544763U

CN216544763U - Hot melt welding device for high-precision material forming

Info

Publication number: CN216544763U
Application number: CN202122586570.1U
Authority: CN
Inventors: 吴锦添; 潘军
Original assignee: Shenzhen Jinjia Plastic Craft Co ltd
Current assignee: Shenzhen Jinjia Plastic Craft Co ltd
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-05-17
Anticipated expiration: 2031-10-26

Abstract

The utility model discloses a hot-melt welding device for high-precision material forming, which comprises a fixed frame and a lower half hot-melt die, wherein an electric push rod is arranged at the top of the fixed frame, the telescopic end of the electric push rod penetrates through the fixed frame to be provided with the upper half hot-melt die, the bottom of the lower half hot-melt die is provided with a hot melter, two sides of the lower half hot-melt die are respectively provided with a first butt joint seat, and two sides of the upper half hot-melt die are respectively provided with a second butt joint seat; has the advantages that: according to the utility model, the lower half hot-melting die and the upper half hot-melting die are butted to enable the opening and closing assembly on the cold air pipe to be closed, so that the material forming plastic pipe is convenient to perform hot-melting welding, after the hot-melting welding is finished, the lower half hot-melting die and the upper half hot-melting die are separated from each other, further, the cold air in the cold air pipe is transmitted to the hot-melting welding position of the material forming plastic pipe through the arc cavity and the vent holes to be cooled, the plurality of vent holes ensure the uniformity of cooling, and thus the quality of the hot-melting welding of the material forming plastic pipe is improved.

Description

Hot melt welding device for high-precision material forming

Technical Field

The utility model relates to the technical field of material forming hot-melt welding, in particular to a hot-melt welding device for high-precision material forming.

Background

Hot melting is generally used for hot melting connection, and the principle of hot melting connection is that the matching surface of a plastic pipe formed by materials is tightly attached to a heating tool to heat the flat end surface of the plastic pipe until the plastic pipe is molten, after the heating tool is removed, the two molten end surfaces are tightly attached together, and a joint is kept to be cooled under the action of pressure, so that two sections of plastic pipes are connected into an integral operation.

The existing material forming hot-melt welding device cannot be cooled immediately after the hot-melt welding is finished, and cannot be cooled uniformly during cooling, so that the hot-melt welding quality of the material forming plastic pipe is greatly reduced.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a thermal welding apparatus for high-precision material molding, which solves the above-mentioned problems of the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: a hot melting welding device for high-precision material molding comprises a fixed frame and a lower half hot melting die, wherein an electric push rod is arranged at the top of the fixed frame, the telescopic end of the electric push rod penetrates through the fixed frame and is provided with an upper half hot melting die, the bottom of the lower half hot melting die is provided with a hot melting device, the two sides of the lower half hot melting mould are both provided with a first butt joint seat, the two sides of the upper half hot melting mould are both provided with a second butt joint seat, heating pipes are arranged on the inner surfaces of the upper half hot melting die and the lower half hot melting die, arc-shaped cavities are arranged inside the upper half hot melting die and the lower half hot melting die, the inner surfaces of the upper half hot-melting die and the lower half hot-melting die are provided with vent holes, cold air pipes are inserted into one sides of the first butt joint seat and the second butt joint seat, and the first butt joint seat and the second butt joint seat are provided with opening and closing assemblies with reset functions.

Preferably, a guide rod is arranged on the first butt joint seat, the guide rod is of a T-shaped rod structure, and the second butt joint seat is sleeved on the guide rod in a sliding mode.

Preferably, the bottom of the upper half hot-melting die is provided with a magnetic pole block, the bottom of the lower half hot-melting die is provided with a magnetic pole block slot, the magnetic pole block and the magnetic pole block slot are correspondingly arranged, and the magnetic pole block slot are electrically connected with the heating pipe.

Preferably, the heating pipes are arranged in a plurality, the heating pipes are distributed along the inner surfaces of the upper half hot-melting mould and the lower half hot-melting mould in a circumferential manner, the vent holes and the heating pipes are distributed in a staggered manner and are communicated with the arc cavities, and the cold air pipes are communicated with the arc cavities.

Preferably, the opening and closing assembly comprises a stop block, slots are formed in the first butt joint seat and the second butt joint seat in a staggered mode, the stop block is inserted into the slots in a sliding mode, the cross section of the stop block is matched with the cross section of the cold air pipe, and the slots are communicated with the cold air pipe.

Preferably, the first butt joint seat and the second butt joint seat are provided with inserting rods in an staggered manner, the inserting rods and the inserting grooves are correspondingly arranged, the first butt joint seat and the second butt joint seat are respectively provided with a containing groove, a limiting block is arranged in the containing groove in a sliding manner, a traction rod penetrates through the cold air pipe between the limiting block and the stop block, and a reset spring is arranged between the limiting block and the containing groove.

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

1. according to the utility model, the cooling structure is additionally arranged on the side surfaces of the lower half hot-melting die and the upper half hot-melting die, the opening and closing assembly on the cold air pipe is closed through the butt joint of the lower half hot-melting die and the upper half hot-melting die, so that the material forming plastic pipe is convenient to perform hot-melting welding, after the hot-melting welding is finished, the lower half hot-melting die and the upper half hot-melting die are separated from each other, further, the cold air in the cold air pipe is transmitted to the hot-melting welding position of the material forming plastic pipe through the arc cavity and the vent holes to be cooled, and the plurality of vent holes ensure the uniformity of cooling, so that the quality of the hot-melting welding of the material forming plastic pipe is improved.

Drawings

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

FIG. 2 is a cross-sectional view of an upper half hot melt mold and a lower half hot melt mold of the present invention;

fig. 3 is an enlarged schematic structural view of a portion a in fig. 2 according to the present invention.

In the figure: a fixed frame 1; a lower half hot-melt mold 2; a first docking cradle 21; a guide rod 22; a magnetic pole piece insertion slot 23; an electric push rod 3; an upper half hot-melt mold 4; a second docking cradle 41; a pole piece 42; a hot melter 5; a heating pipe 6; a circular arc cavity 7; a vent hole 71; a cold air pipe 8; a stopper 9; an insert rod 91; a stop block 92; a pulling rod 93; a return spring 94.

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, the present invention provides a technical solution: a hot-melt welding device for high-precision material forming comprises a fixed frame 1 and a lower hot-melt die 2, wherein an electric push rod 3 is arranged at the top of the fixed frame 1, an expansion end of the electric push rod 3 penetrates through the fixed frame 1 to be welded with an upper hot-melt die 4, a hot-melt device 5 is fixedly installed at the bottom of the lower hot-melt die 2, the hot-melt device 3 is a common plastic pipe hot-melt welding machine in the field, the detailed structure and the working principle of the hot-melt device 3 are not described in detail, first butt seats 21 are welded on two sides of the lower hot-melt die 2, second butt seats 41 are welded on two sides of the upper hot-melt die 4, guide rods 22 are welded on the first butt seats 21, the guide rods 22 are of T-shaped rod structures, the second butt seats 41 are slidably sleeved on the guide rods 22, the guide rods 22 guarantee the positioning and guiding of the movement of the first butt seats 21, and magnetic pole blocks 42 are fixed at the bottom of the upper hot-melt die 4, magnetic pole piece slot 23 has been inlayed to the bottom of half hot melt mould 2 down, it sets up to correspond between magnetic pole piece 42 and the magnetic pole piece slot 23, electric connection between magnetic pole piece 42 and the magnetic pole piece slot 23 all and the heating pipe 6, the internal surface of half hot melt mould 4 and half hot melt mould 2 down all is inlayed and is had heating pipe 6, heating pipe 6 is provided with a plurality ofly, a plurality of heating pipes 6 are the circumference along the internal surface of half hot melt mould 4 and half hot melt mould 2 down respectively and distributes, contact between through magnetic pole piece 42 and the magnetic pole piece slot 23, make circuit closure between heating pipe 6 and the hot melt ware 5, thereby carry out the hot melt welding to material shaping plastic tubing.

Arc cavities 7 are respectively arranged in the upper half hot-melting mold 4 and the lower half hot-melting mold 2, vent holes 71 are respectively arranged on the inner surfaces of the upper half hot-melting mold 4 and the lower half hot-melting mold 2, the vent holes 71 are distributed in a staggered manner with the heating pipes 6 and are communicated with the arc cavities 7, cold air pipes 8 are respectively inserted into one sides of the first butt joint seat 21 and the second butt joint seat 41, the cold air pipes 8 are communicated with the arc cavities 7, the cold air pipes 8 are communicated with the inflating mechanism, the inflating mechanism is a common air cooler and is not repeated, the drawing is not shown, opening and closing assemblies with a resetting function are respectively arranged on the first butt joint seat 21 and the second butt joint seat 41, each opening and closing assembly comprises a stop block 9, slots are arranged on the first butt joint seat 21 and the second butt joint seat 41 in a staggered manner, the stop blocks 9 are slidably inserted into the slots, the slots are communicated with the cold air pipes 8, the cross sections of the stop blocks 9 are matched with the cross sections of the cold air pipes 8, staggered welding has inserted bar 91 on first butt joint seat 21 and the second butt joint seat 41, correspond the setting between inserted bar 91 and the slot, the length of inserted bar 91 equals the length of slot, guarantee that inserted bar 91 extrudees dog 9 and make dog 9 cover cold air duct 8's cross-section, play the effect that stops, prevent that the air conditioning in the cold air duct 8 from flowing out through circular arc cavity 7, the holding tank has all been seted up on first butt joint seat 21 and the second butt joint seat 41, sliding connection has stopper 92 in the holding tank, it has traction rod 93 to run through cold air duct 8 welding between stopper 92 and the dog 9, fixedly connected with reset spring 94 between stopper 92 and the holding tank.

The working principle is as follows: in practical use, the electric push rod 3 is started, the upper half hot-melting mold 4 is butted with the lower half hot-melting mold 2 through the extension motion of the electric push rod 3, in the process, the first butt joint seat 21 is contacted with the second butt joint seat 41, the insertion rod 91 is inserted in the corresponding slot, the stop block 9 is extruded to enable the stop block 9 to cover the section of the cold air pipe 8, at the moment, the reset spring 94 is compressed, the pull rod 93 and the limiting block 92 move towards the accommodating groove direction, meanwhile, the magnetic pole block 42 is contacted with the magnetic pole block slot 23, a circuit between the heating pipe 6 and the hot melter 5 is closed, so that the hot-melting welding is carried out on the material forming plastic pipe, after the hot-melting welding is finished, the contraction motion of the electric push rod 3 enables the lower half hot-melting mold 2 to be separated from the upper half hot-melting mold 4, the magnetic pole block 42 is separated from the magnetic pole block slot 23, and the hot-melting welding operation is stopped, meanwhile, the insertion rod 91 is far away from the corresponding insertion groove, the pulling rod 93 and the limiting block 92 move towards the direction far away from the accommodating groove under the action of the elastic force of the reset spring 94, so that the stop block 9 is far away from the section of the cold air pipe 8, cold air in the cold air pipe 8 is further cooled by being transmitted to the hot-melting welding position of the material forming plastic pipe through the arc cavity 7 and the vent holes 71, the cooling uniformity is ensured by the vent holes 71, and the quality of hot-melting welding of the material forming plastic pipe is improved.

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 fashioned hot melt welding set of high accuracy material, includes mount (1) and lower half hot melt mould (2), its characterized in that: an electric push rod (3) is arranged at the top of the fixing frame (1), a telescopic end of the electric push rod (3) penetrates through the fixing frame (1) to be provided with an upper half hot-melting die (4), a hot melting device (5) is arranged at the bottom of a lower half hot-melting die (2), first butt seats (21) are arranged on two sides of the lower half hot-melting die (2), second butt seats (41) are arranged on two sides of the upper half hot-melting die (4), heating pipes (6) are arranged on the inner surfaces of the upper half hot-melting die (4) and the lower half hot-melting die (2), arc cavities (7) are arranged in the upper half hot-melting die (4) and the lower half hot-melting die (2), air vents (71) are arranged on the inner surfaces of the upper half hot-melting die (4) and the lower half hot-melting die (2), cold air pipes (8) are inserted into one sides of the first butt seats (21) and the second butt seats (41), the first butt joint seat (21) and the second butt joint seat (41) are provided with opening and closing assemblies with a reset function.

2. A high-precision material molding thermal welding apparatus as claimed in claim 1, wherein: the first butt joint seat (21) is provided with a guide rod (22), the guide rod (22) is of a T-shaped rod structure, and the second butt joint seat (41) is sleeved on the guide rod (22) in a sliding mode.

3. A high-precision material molding thermal welding apparatus as claimed in claim 1, wherein: the bottom of first hot melt mould (4) is provided with magnetic pole piece (42), the bottom of first hot melt mould (2) is provided with magnetic pole piece slot (23) down, correspond the setting between magnetic pole piece (42) and magnetic pole piece slot (23), electric connection between magnetic pole piece (42) and magnetic pole piece slot (23) and heating pipe (6) all.

4. A high-precision material molding thermal welding apparatus as claimed in claim 1, wherein: the heating pipes (6) are arranged in a plurality, the heating pipes (6) are distributed along the inner surfaces of the upper half hot-melting die (4) and the lower half hot-melting die (2) in a circumferential mode respectively, the vent holes (71) and the heating pipes (6) are distributed in a staggered mode and are communicated with the arc cavity bodies (7), and the cold air pipes (8) are communicated with the arc cavity bodies (7).

5. A high-precision material molding thermal welding apparatus as claimed in claim 1, wherein: the opening and closing assembly comprises a stop block (9), slots are formed in the first butt joint seat (21) and the second butt joint seat (41) in a staggered mode, the stop block (9) is inserted into the slots in a sliding mode, the cross section of the stop block (9) is matched with the cross section of the cold air pipe (8), and the slots are communicated with the cold air pipe (8).

6. A high-precision material molding thermal welding apparatus as claimed in claim 1, wherein: inserting rods (91) are arranged on the first butt joint seat (21) and the second butt joint seat (41) in an interlaced mode, the inserting rods (91) and the inserting grooves are correspondingly arranged, accommodating grooves are formed in the first butt joint seat (21) and the second butt joint seat (41), limiting blocks (92) are arranged in the accommodating grooves in a sliding mode, a traction rod (93) penetrates through the cold air pipe (8) between the limiting blocks (92) and the stop blocks (9), and reset springs (94) are arranged between the limiting blocks (92) and the accommodating grooves.