CN219026284U

CN219026284U - Pulse type heating welding machine head

Info

Publication number: CN219026284U
Application number: CN202223382237.XU
Authority: CN
Inventors: 唐荣开
Original assignee: Suzhou Meihao Precision Machinery Co ltd
Current assignee: Suzhou Meihao Precision Machinery Co ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-05-16
Anticipated expiration: 2032-12-16

Abstract

The utility model discloses a pulse heating welding machine head in the technical field of hot-press welding and soldering tin welding of electronic products, which comprises a mounting bottom plate and a welding head, wherein a cushion block and a cylinder support are arranged at the top of the mounting bottom plate; and the position of the welding head can be adjusted until the bottom surface of the welding head is parallel to the welding surface of the product to be welded, so that the welding quality is further improved.

Description

Pulse type heating welding machine head

Technical Field

The utility model relates to the technical field of hot press welding and soldering tin welding of electronic products, in particular to a pulse type heating welding machine head.

Background

Welding technology, also known as joining engineering, is an important material processing technique. However, in the use process of the welding head, rapid heating and cooling of the product cannot be realized, the thermal influence on the product is large, the position of the welding head is mostly fixed, fine adjustment of the position of the welding head cannot be performed according to the position of the product, and the quality of a welded finished product is reduced.

Disclosure of Invention

The present utility model is directed to a pulse heat welding head to solve the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the pulse type heating welding machine head comprises a mounting bottom plate and a welding head, wherein a cushion block and a cylinder support are arranged at the top of the mounting bottom plate, a cylinder is arranged at the front side of the cylinder support, a floating joint is connected to the bottom of the cylinder, a pressure sensor is arranged at the bottom of the floating joint, a U-shaped support is connected to the bottom of the pressure sensor through a sliding sleeve, a moving block is connected to the U-shaped support through a guide rod, an air blowing support is arranged at the bottom of the moving block through the sliding sleeve, the welding head is arranged on the lower surface of the air blowing support, heating mechanisms are arranged at the two ends of the air blowing support, a cooling assembly is arranged on the front side of the air blowing support, and a fine adjustment mechanism is further arranged on the air blowing support.

Further: the thermocouple support block is installed on the front end face of the moving block, and a thermocouple is further arranged at the bottom of the front end face of the thermocouple support block.

Further: the fine adjustment mechanism comprises a horizontal fixed block, four groups of adjusting bolts are connected in the horizontal fixed block, the bottom of each adjusting bolt is provided with a horizontal movable block, and the front end of the air blowing support is provided with a bolt.

Further: the heating mechanism comprises two groups of copper sheet installation blocks, the two groups of copper sheet installation blocks are located on two sides of the moving block, a cable terminal is arranged at the top of each copper sheet installation block, and the bottom end of each copper sheet installation block is provided with a conductive block through a conductive copper sheet, and the conductive blocks are located at two ends of the air blowing support.

Further: the cooling assembly comprises an air pipe joint, the bottom of the air pipe joint is connected with an air blowing nozzle, and the bottom of the air blowing nozzle is opposite to the welding head.

Further: the middle part of the mounting bottom plate is provided with a sliding rail, a sliding rail sliding block is connected in the sliding rail in a sliding way, and the sliding rail sliding block is connected with the U-shaped bracket.

Further: a plurality of groups of threaded holes are formed in the mounting bottom plate, and bolts are connected in the threaded holes.

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

the cable terminal, the conductive copper sheet and the conductive block realize pulse heating, and the air outlet nozzle and the air pipe joint realize rapid cooling, so that the heat influence on the product is small, and the quality of the product is improved; the position of the welding head can be adjusted through the action of the adjusting bolt until the bottom surface of the welding head is parallel to the welding surface of the product to be welded, so that the welding quality is effectively improved; through the effect of thermocouple, can realize the accurate control of welding temperature, excellent in use effect.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic side view of the present utility model;

fig. 3 is a schematic diagram of the front structure of the present utility model.

In the figure: 1. a U-shaped bracket; 2. a slide rail slide block; 4. a moving block; 5. a guide rod; 6. a horizontal fixing block; 7. a horizontal movable block; 9. a conductive block; 10. welding head; 11. a thermocouple support block; 13. a thermocouple; 15. a mounting base plate; 18. a sliding sleeve; 19. a blowing bracket; 20. an air blowing nozzle; 21. an air pipe joint; 22. a plug pin; 24. an adjusting bolt; 25. a cable terminal; 26. copper sheet mounting blocks; 27. a pressure sensor; 28. a cylinder; 32. a cylinder bracket; 33. a cushion block; 34. conductive copper sheet; 37. a floating joint.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1:

referring to fig. 1-3, the present utility model provides a technical solution: the pulse type heating welding machine head comprises a mounting bottom plate 15 and a welding head 10, wherein a cushion block 33 and a cylinder support 32 are arranged at the top of the mounting bottom plate 15, a cylinder 28 is arranged at the front side of the cylinder support 32, the bottom end of the cylinder 28 is connected with a floating joint 37, the bottom of the floating joint 37 is provided with a pressure sensor 27, the bottom of the pressure sensor 27 is connected with a U-shaped support 1 through a sliding sleeve 18, the U-shaped support 1 is connected with a moving block 4 through a guide rod 5, the bottom of the moving block 4 is provided with a blowing support 19 through the sliding sleeve 18, the welding head 10 is positioned on the lower surface of the blowing support 19, heating mechanisms are arranged at two ends of the blowing support 19, the front side of the blowing support 19 is provided with a cooling assembly, a fine tuning mechanism is further arranged on the blowing support 19, and before use, the electrical ends of electric equipment are required to be electrically connected with the electrical ends of a controller of an external power supply, and the cable terminal 25 is connected with the external power supply through a wire;

when the welding gun is used, a product to be welded is placed under the welding gun in an aligned mode, the horizontal adjusting bolt 24 is adjusted to enable the bottom surface of the welding head 10 to be parallel to the welding surface of the product to be welded, the air cylinder 28 acts to extend downwards, the floating connector 37 and the pressure sensor 27 drive the guide rod 5 and the welding device to move downwards, the welding head 10 is pressed and attached to the product, pulse voltage is applied to the welding head 10 through the cable terminal 25, the conductive copper sheet 34 and the conductive block 9, at the moment, the welding head 10 is rapidly heated, the thermocouple 13 collects temperature in real time, the temperature reaches the set welding temperature, tin on the product is heated and melted, then compressed air is blown to the product through the air pipe connector 21 and the blowing nozzle 20, the product and the welding head 10 are rapidly cooled, and the air cylinder 28 acts to retract, so that welding of the product is completed.

Preferably, the thermocouple support block 11 is mounted on the front end surface of the moving block 4, and the thermocouple 13 is further disposed at the bottom of the front end surface of the thermocouple support block 11, and the thermocouple 13 can detect temperature.

Preferably, the fine adjustment mechanism comprises a horizontal fixed block 6, four groups of adjusting bolts 24 are connected in the horizontal fixed block 6, a horizontal movable block 7 is arranged at the bottom of each adjusting bolt 24, a bolt 22 is arranged at the front end of each blowing support 19, after a cylinder 28 drives the blowing support 19 to move downwards, if the position of the welding head 10 is not attached to a product, the position of the blowing support 19 can be finely adjusted through the action of each adjusting bolt 24 until the bottom of the welding head 10 is tightly attached to the surface of the product.

Preferably, the heating mechanism comprises two groups of copper sheet installation blocks 26, the two groups of copper sheet installation blocks 26 are located on two sides of the moving block 4, a cable terminal 25 is arranged at the top of each copper sheet installation block 26, a conductive block 9 is installed at the bottom end of each copper sheet installation block 26 through a conductive copper sheet 34, the conductive blocks 9 are located at two ends of the air blowing support 19, the cable terminal 25 is connected through an external wire, and the conductive blocks 9 are heated rapidly through the effect of the conductive copper sheets 34.

Preferably, the cooling assembly comprises an air pipe joint 21, the bottom of the air pipe joint 21 is connected with an air blowing nozzle 20, the bottom of the air blowing nozzle 20 is opposite to the welding head 10, the air pipe joint 21 can be communicated with an external air source, the air source can convey air into the straight air blowing nozzle 20, and the air blowing nozzle 20 can jet out air again, so that a product and the welding head 10 can be cooled rapidly.

Preferably, the middle part of mounting plate 15 is equipped with the slide rail, and sliding connection has slide rail slider 2 in the slide rail, and slide rail slider 2 is connected with U type support 1, and slide rail slider 2 and U type support 1 fixed connection can drive slide rail slider 2 through the effect of cylinder 28 and remove in the slide rail.

Example 2:

referring to fig. 1, this embodiment differs from the first embodiment in that: the mounting baseplate 15 is provided with a plurality of groups of threaded holes, bolts are connected in the threaded holes, and the whole device can be conveniently mounted at a working position through the functions of the threaded holes and the bolts.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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. Pulse type heating welding head, including mounting plate (15) and bonding tool (10), its characterized in that: the top of mounting plate (15) is equipped with cushion (33) and cylinder support (32), cylinder (28) are installed to the front side of cylinder support (32), and the bottom of cylinder (28) is connected with floating joint (37), the bottom of floating joint (37) is equipped with pressure sensor (27), the bottom of pressure sensor (27) is connected with U type support (1) through sliding sleeve (18), U type support (1) are connected with movable block (4) through guide arm (5), blowing support (19) are installed through sliding sleeve (18) in the bottom of movable block (4), bonding tool (10) are located the lower surface of blowing support (19), the both ends of blowing support (19) are equipped with heating mechanism, and the leading flank of blowing support (19) is equipped with cooling module, fine setting mechanism is still installed on blowing support (19).

2. The pulse heat welder head of claim 1, wherein: the front end face of the moving block (4) is provided with a thermocouple supporting block (11), and the bottom of the front end face of the thermocouple supporting block (11) is also provided with a thermocouple (13).

3. The pulse heat welder head of claim 1, wherein: the fine adjustment mechanism comprises a horizontal fixed block (6), four groups of adjusting bolts (24) are connected in the horizontal fixed block (6), a horizontal movable block (7) is arranged at the bottom of each adjusting bolt (24), and a bolt (22) is arranged at the front end of each blowing support (19).

4. The pulse heat welder head of claim 1, wherein: the heating mechanism comprises two groups of copper sheet installation blocks (26), the two groups of copper sheet installation blocks (26) are located on two sides of the moving block (4), a cable terminal (25) is arranged at the top of each copper sheet installation block (26), the bottom end of each copper sheet installation block (26) is provided with a conductive block (9) through a conductive copper sheet (34), and the conductive blocks (9) are located at two ends of the air blowing support (19).

5. The pulse heat welder head of claim 1, wherein: the cooling assembly comprises an air pipe joint (21), an air blowing nozzle (20) is connected to the bottom of the air pipe joint (21), and the bottom of the air blowing nozzle (20) is opposite to the welding head (10).

6. The pulse heat welder head of claim 1, wherein: the middle part of mounting plate (15) is equipped with the slide rail, and sliding connection has slide rail slider (2) in the slide rail, slide rail slider (2) are connected with U type support (1).

7. The pulse heat welder head of claim 1, wherein: a plurality of groups of threaded holes are formed in the mounting bottom plate (15), and bolts are connected in the threaded holes.