Argon blowing device for cup body

Abstract

The argon blowing device comprises a fixing column, a connecting column is arranged at the upper end of the fixing column, a welding circumferential block is arranged at the upper end of the connecting column, the outer diameter of the welding circumferential block is larger than the maximum outer diameter of the connecting column, and the welding circumferential block abuts against the inner side wall of the cup body and the inner side wall of the cup bottom. A vertical hole is formed in the lower surface of the welding circumferential block, a plurality of transverse holes communicating with the vertical hole are formed in the side wall of the welding circumferential block, and the transverse holes directly face the butt joint gap; a cup opening positioning block and an air inlet block are arranged on the fixing column, the cup opening positioning block comprises an upper block and a lower block, and an air inlet area is formed between the upper surface of the upper block and the side wall of the connecting column; a through hole is formed in the upper surface of the cup opening positioning block in a penetrating mode, and the through hole is communicated with the air inlet and the air inlet area. By means of the structure, argon is guided into the butt joint gap of the cup, so that butt joint of the butt joint gap and the cup bottom is facilitated, the welding effect is improved, and production is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of cup body welding, in particular to an argon gas blowing device for a cup body. Background Art

[0002] Thermos cups generally include an inner liner and an outer shell. The inner liner includes a cup body and a cup bottom, which are fixed by welding. During the welding process, the heat and smoke generated by the laser will cause an oxide layer to form on the surface of the stainless steel inner liner. In the prior art, argon gas is often introduced into the inner liner to cool the inner liner and improve the welding effect.

[0003] However, during welding, the cup body and the cup bottom are butted together through a mold, and the upper side wall of the mold abuts against the cup body and the cup bottom, so that the argon gas cannot be distributed in the butt gap between the cup body and the cup bottom, affecting the welding operation, so this needs to be improved. Summary of the invention

[0004] The utility model aims at the defects in the prior art that when welding the butt joint gap between the cup body and the cup bottom, argon gas cannot be introduced into the butt joint gap, thus affecting the welding effect, and provides a new argon gas blowing device for the cup body.

[0005] In order to solve the above technical problems, the utility model is implemented through the following technical solutions:

[0006] A argon blowing device for a cup body, comprising a fixing column, a connecting column is detachably provided on the upper end of the fixing column, a welding circumferential block is detachably provided on the upper end of the connecting column, the outer diameter of the welding circumferential block is larger than the maximum outer diameter of the connecting column, the welding circumferential block abuts against the inner side walls of the cup body and the cup bottom; a vertical hole is provided on the lower surface of the welding circumferential block, a plurality of transverse holes connected with the vertical holes are provided on the side wall of the welding circumferential block, and the transverse holes are directly opposite to the docking gap; a cup mouth positioning block and an air intake block distributed from top to bottom are provided on the fixing column, the cup mouth positioning block comprises an upper block and a lower block, the width of the upper block is smaller than the width of the lower block, the width of the upper block is larger than the maximum outer diameter of the connecting column, an air intake zone is formed between the upper surface of the upper block and the side wall of the connecting column; an air inlet connected with the argon gas pipe is provided on the air intake block, and a through hole is pierced through the upper surface of the cup mouth positioning block, and the through hole is connected with the air inlet and the air intake zone.

[0007] Argon gas can be introduced into the cup body through the air inlet and the through hole, and can be evenly introduced into the butt joint gap through the vertical hole and the horizontal hole, so as to facilitate the cooling of the butt joint gap, the cup body and the cup bottom, improve the welding effect, and facilitate the production; through the width difference between the upper block and the lower block, the cup mouth of the cup body is pressed against the lower block, which improves the stability of the cup body when placed, facilitates the precise pressing of the cup bottom on the cup body, and improves the stability of welding; by replacing welding circumferential blocks of different sizes, it can be adapted to cup bodies and cup bottoms of various sizes, thereby improving the practicability of the argon blowing device.

[0008] Preferably, in the above-mentioned argon blowing device for a cup body, an annular groove is provided on the side wall of the welding circumferential block, the annular groove is coaxially arranged with the welding circumferential block, and the transverse holes are circumferentially distributed in the annular groove.

[0009] The annular groove keeps the argon gas at the butt joint gap in a closed state, thereby increasing the density of the argon gas at the butt joint gap and further improving the welding effect.

[0010] Preferably, in the above-described argon blowing device for a cup body, the upper surface of the welding circumferential block is penetrated by a plurality of fan-shaped grooves, the width of the fan-shaped grooves gradually increases toward the center of the welding circumferential block, and the depth direction of the fan-shaped grooves extends along the height direction of the welding circumferential block.

[0011] The fan-shaped groove is arranged to facilitate the introduction of argon gas to the bottom of the cup, thereby reducing the temperature at the bottom of the cup and facilitating welding.

[0012] Preferably, in the above-mentioned argon blowing device for a cup body, a plurality of vertical holes are provided, and the vertical holes correspond to the horizontal holes one by one.

[0013] The vertical holes correspond to the horizontal holes one by one, which increases the speed of argon gas flowing from the vertical holes into the horizontal holes, and further increases the speed of argon gas flowing into the butt joint gap.

[0014] Preferably, in the above-described argon blowing device for a cup body, the air inlet block is circular, an air inlet channel connected to the air inlet port is provided on the air inlet block, the air inlet channel is coaxially arranged with the air inlet block, a plurality of through holes are provided, and the through holes are connected to the air inlet channel.

[0015] The setting of the air inlet channel realizes the storage and circulation of argon gas, so that argon gas can be introduced into the cup body in large quantities and in a timely manner through multiple through holes, thereby improving the efficiency of introducing argon gas.

[0016] Preferably, in the above-described argon blowing device for a cup body, a circular hole is passed through the air inlet block, the air inlet passage is coaxially arranged with the circular hole, an extension tube is arranged on the lower block, the extension tube is inserted into the circular hole and abuts against the inner wall of the circular hole, and the extension tube is sleeved on the outside of the fixed column; the lower surface of the lower block abuts against the upper surface of the air inlet block, and the lower block blocks the upper opening of the air inlet passage.

[0017] The cup mouth positioning block and the air intake block are detachably connected through the snap-fit ​​cooperation of the extension tube and the round hole, which facilitates the production and assembly of the cup mouth positioning block and the air intake block and improves the convenience of use.

[0018] Preferably, in the above-mentioned argon blowing device for a cup body, a fixed step is provided in the middle position of the welding circumferential block, the welding circumferential block is sleeved on the upper end of the connecting column, and the upper end of the connecting column abuts against the fixed step.

[0019] The welding circumferential block is clamped on the upper end of the connecting column by a fixed step sleeve, so that it is convenient to assemble the welding circumferential blocks with different diameters on the connecting column, and the convenience during assembly is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 It is a cross-sectional view of the utility model;

[0022] Figure 3 This is a schematic diagram of the structure of the welding circumferential block of the utility model;

[0023] Figure 4 It is a cross-sectional view of the welding circumferential block of the utility model;

[0024] Figure 5 It is a schematic diagram of the exploded structure of the cup mouth positioning block and the air intake block of the utility model. DETAILED DESCRIPTION

[0025] The following is combined with Figure 1-5 The present invention is further described in detail with the following specific embodiments, but they are not intended to limit the present invention:

[0026] Example 1

[0027] like Figure 1-Figure 5As shown, an argon blowing device for a cup body comprises a fixing column 1, the upper end of the fixing column 1 is detachably provided with a connecting column 2, the upper end of the connecting column 2 is detachably provided with a welding circumferential block 3, the outer diameter of the welding circumferential block 3 is larger than the maximum outer diameter of the connecting column 2, and the welding circumferential block 3 abuts against the inner side walls of the cup body and the cup bottom; a vertical hole 30 is provided on the lower surface of the welding circumferential block 3, and a plurality of transverse holes 31 connected with the vertical holes 30 are provided on the side wall of the welding circumferential block 3, and the transverse holes 31 are directly opposite to the butt joint gap; the fixing column 1 is detachably provided with a connecting column 2, and the connecting column 2 is detachably provided with a welding circumferential block 3, and the welding circumferential block 3 ... The fixed column 1 is provided with a cup-mouth positioning block 4 and an air intake block 5 distributed from top to bottom, the cup-mouth positioning block 4 includes an upper block 41 and a lower block 42, the width of the upper block 41 is smaller than the width of the lower block 42, the width of the upper block 41 is larger than the maximum outer diameter of the connecting column 2, and an air intake area 6 is formed between the upper surface of the upper block 41 and the side wall of the connecting column 2; an air intake port 50 connected to the argon gas pipe is opened on the air intake block 5, and a through hole 40 is penetrated on the upper surface of the cup-mouth positioning block 4, and the through hole 40 is connected to the air intake port 50 and the air intake area 6.

[0028] Preferably, an annular groove 32 is formed on the side wall of the welding circumferential block 3 , the annular groove 32 is coaxially arranged with the welding circumferential block 3 , and the transverse holes 31 are circumferentially distributed in the annular groove 32 .

[0029] Preferably, a plurality of fan-shaped grooves 33 are penetrated through the upper surface of the welding circumferential block 3 , the width of the fan-shaped grooves 33 gradually increases toward the center of the welding circumferential block 3 , and the depth direction of the fan-shaped grooves 33 extends along the height direction of the welding circumferential block 3 .

[0030] Preferably, a plurality of the vertical holes 30 are provided, and the vertical holes 30 correspond to the horizontal holes 31 one by one.

[0031] Preferably, the air intake block 5 is circular, and is provided with an air intake channel 51 connected to the air inlet port 50 . The air intake channel 51 is coaxially arranged with the air intake block 5 . There are multiple through holes 40 , and the through holes 40 are connected to the air intake channel 51 .

[0032] Preferably, a circular hole 52 is passed through the air intake block 5, and the air intake channel 51 is coaxially arranged with the circular hole 52. An extension tube 421 is provided on the lower block 42, and the extension tube 421 is inserted into the circular hole 52 and abuts against the inner wall of the circular hole 52. The extension tube 421 is sleeved on the outside of the fixed column 1; the lower surface of the lower block 42 is abutted against the upper surface of the air intake block 5, and the lower block 42 blocks the upper opening of the air intake channel 51.

[0033] Preferably, a fixed step 34 is provided at the middle position of the welding circumferential block 3 , and the welding circumferential block 3 is sleeved on the upper end of the connecting column 2 , and the upper end of the connecting column 2 abuts against the fixed step 34 .

[0034] Specifically, Figure 1 , Figure 3 As shown, in the embodiment of the present application, the number of vertical holes 30, horizontal holes 31 and fan-shaped grooves 33 is 8, and the vertical holes 30, horizontal holes 31 and fan-shaped grooves 33 are circumferentially distributed with the center of the welding circumferential block 3 as the midpoint. The number of through holes 40 is set to four, and the through holes 40 are symmetrically distributed on the upper surface of the upper block 41.

[0035] like Figure 1 , Figure 2 As shown, the upper width of the cup mouth is greater than the lower width of the cup mouth, the upper width of the cup mouth is adapted to the outer diameter of the upper block, and the upper height of the cup mouth is consistent with the height of the upper block. Therefore, when the cup body is put on the cup mouth positioning block 4, the upper part of the cup mouth will be against the upper surface of the lower block 42, and the upper inner wall of the cup mouth will be in contact with the side wall of the upper block 41, thereby realizing the limitation of the cup body at the cup mouth.

[0036] The lower width of the cup mouth is greater than the maximum outer diameter of the connecting column 2, so the lower part of the cup mouth surrounds the air inlet area 6, so that the argon gas can be transferred from the air inlet 50, the air inlet channel 51, the through hole 40 and the air inlet area 6 to the inside of the cup body, and accurately transferred to the docking gap through the vertical hole 30, the horizontal hole 31 and the annular groove 32, thereby improving the welding effect.

[0037] More specifically, when welding the cup body and the cup bottom, first put the cup body on the cup mouth positioning block 4 and make the end of the cup mouth abut against the upper surface of the lower block 42, then put the cup bottom on the welding circumferential block 3 and press the upper surface of the cup bottom, at this time, the horizontal hole 31 is opposite to the docking gap.

[0038] Then insert one end of the argon tube into the air inlet 50. The argon gas first passes through the air inlet 50 into the air inlet channel 51, then passes through the through hole 40 into the cup body, and finally passes through the fan-shaped groove 33 to the bottom of the cup, and passes through the vertical hole 30 and the horizontal hole 31 to the annular groove 32, so that the argon gas is distributed on the bottom of the cup, the cup body and the butt gap, which facilitates welding.

[0039] In conclusion, the above is only a preferred embodiment of the present invention, and all equivalent changes and modifications made within the scope of the patent application for the present invention should fall within the scope of the present invention.

Claims

1. An argon blowing device for a cup body, characterized in that: The invention comprises a fixing column (1), the upper end of which is detachably provided with a connecting column (2), the upper end of which is detachably provided with a welding circumferential block (3), the outer diameter of which is greater than the maximum outer diameter of the connecting column (2), and the welding circumferential block (3) abuts against the inner side walls of the cup body and the cup bottom; a vertical hole (30) is provided on the lower surface of the welding circumferential block (3), and a plurality of transverse holes (31) connected with the vertical holes (30) are provided on the side wall of the welding circumferential block (3), and the transverse holes (31) are directly opposite to the butt joint gap; the fixing column (1) is provided with a plurality of transverse holes (31) which are connected with the vertical holes (30) from top to bottom; The invention relates to a cup mouth positioning block (4) and an air intake block (5) of a cloth, wherein the cup mouth positioning block (4) comprises an upper block (41) and a lower block (42), wherein the width of the upper block (41) is smaller than the width of the lower block (42), and the width of the upper block (41) is larger than the maximum outer diameter of the connecting column (2), and an air intake area (6) is formed between the upper surface of the upper block (41) and the side wall of the connecting column (2); an air intake port (50) connected to an argon gas pipe is provided on the air intake block (5), and a through hole (40) is penetrated through the upper surface of the cup mouth positioning block (4), and the through hole (40) is connected to the air intake port (50) and the air intake area (6).

2. The argon blowing device for a cup body according to claim 1, characterized in that: An annular groove (32) is provided on the side wall of the welding circumferential block (3), the annular groove (32) is coaxially arranged with the welding circumferential block (3), and the transverse holes (31) are circumferentially distributed in the annular groove (32).

3. The argon blowing device for a cup body according to claim 1, characterized in that: The upper surface of the welding circumferential block (3) is penetrated by a plurality of fan-shaped grooves (33), the width of the fan-shaped grooves (33) gradually increases towards the center of the welding circumferential block (3), and the depth direction of the fan-shaped grooves (33) extends along the height direction of the welding circumferential block (3).

4. The argon blowing device for a cup body according to claim 1, characterized in that: The number of the vertical holes (30) is plural, and the vertical holes (30) correspond to the horizontal holes (31) in a one-to-one manner.

5. The argon blowing device for a cup body according to claim 1, characterized in that: The air intake block (5) is circular, and is provided with an air intake channel (51) connected to the air intake port (50). The air intake channel (51) and the air intake block (5) are coaxially arranged. A plurality of through holes (40) are provided, and the through holes (40) are connected to the air intake channel (51).

6. The argon blowing device for a cup body according to claim 5, characterized in that: The air intake block (5) is provided with a circular hole (52), the air intake passage (51) and the circular hole (52) are coaxially arranged, the lower block (42) is provided with an extension tube (421), the extension tube (421) is inserted into the circular hole (52) and abuts against the inner wall of the circular hole (52), and the extension tube (421) is sleeved on the outside of the fixing column (1); the lower surface of the lower block (42) abuts against the upper surface of the air intake block (5), and the lower block (42) blocks the upper opening of the air intake passage (51).

7. The argon blowing device for a cup body according to claim 1, characterized in that: A fixed step (34) is provided at the middle position of the welding circumferential block (3), and the welding circumferential block (3) is sleeved on the upper end of the connecting column (2), and the upper end of the connecting column (2) abuts against the fixed step (34).

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