A vacuum cup irregular mouth processing technology

Abstract

The present invention discloses a vacuum cup irregular mouth processing technology, using a mold to connect the positioning mouth ring with the inner liner, connecting the outer liner with the inner liner to form a semi-finished product 2, using laser cutting technology to cut the mouth of the semi-finished product to form a side arc, using a movable positioning block to orient the semi-finished product 2 and laser welding at the mouth to complete the processing of the vacuum cup mouth, welding the outer liner bottom at the outer liner bottom of the semi-finished product 2 and vacuuming. The setting of the mouth ring positioning part on the positioning mouth ring and the positioning part of the mold 2 can play a role of orientation, ensuring that the cup mouth is cut from a specified direction in the subsequent cutting process, so that the position of the side arc and the mouth ring positioning part is relatively fixed, which provides convenience for the subsequent assembly of the thermos cup, and the setting of the movable positioning block can ensure that the side arc is located at a fixed position, so that the subsequent laser welding machine can weld the cup mouth according to the set program.

Description

Technical Field

[0001] The invention relates to the technical field of vacuum cups, and in particular to a processing technology for an irregular mouth of a vacuum cup. Background Art

[0002] Currently, there is a thermos cup with a special-shaped mouth on the market. Due to the irregular mouth, this thermos cup needs manual operation during welding, which is inefficient and has a high product scrap rate, so it needs to be improved. Summary of the invention

[0003] Aiming at the defect of low production efficiency of thermos cups with irregular mouths in the prior art, the present invention provides a new irregular mouth processing technology for vacuum cups.

[0004] In order to solve the above technical problems, the present invention is implemented by the following technical solutions:

[0005] A vacuum cup irregular mouth processing technology comprises the following steps:

[0006] S1. Take the liner and the positioning ring, fix the positioning ring in a mold, place the liner mouth down on a mold and cover the positioning ring with the liner;

[0007] S2. Use a pair of molds to apply a downward force to the bottom of the liner, so that the positioning ring is pressed into the liner and is interference-connected with the inner wall of the liner;

[0008] S3. Put the outer liner on the inner liner and make the outer liner flush with the inner liner mouth to form a semi-finished product;

[0009] S4. The semi-finished product is fixed with the aid of a mold, a positioning ring is provided on the positioning ring, and a mold is provided on the mold with a positioning portion of the second mold that cooperates with the positioning portion of the ring;

[0010] S5. Using laser cutting technology to cut the mouth of a semi-finished product to form a semi-finished product two, the mouth of the semi-finished product two forms a side arc;

[0011] S6. Place the semi-finished product 2 on the mold 3, which is provided with an active positioning block that matches the side arc, and use the active positioning block to orient the semi-finished product 2;

[0012] S7. Laser welding is performed on the mouth of the semi-finished product 2 to complete the processing of the mouth of the vacuum cup;

[0013] S8. Weld the outer liner bottom to the outer liner bottom of the semi-finished product 2 and perform a vacuum process to form a vacuum layer between the outer liner and the inner liner.

[0014] During the laser cutting and laser welding processes, the laser moves according to the set program. The settings of the mouth ring positioning part and the mold two positioning part on the positioning ring can play a directional role, ensuring that the cup mouth is cut from the specified direction in the subsequent cutting process, so that the position of the side arc and the mouth ring positioning part is relatively fixed, which provides convenience for the subsequent assembly of the thermos cup; and the setting of the movable positioning block can ensure that the side arc is located in a fixed position, so that the subsequent laser welding machine can weld the cup mouth according to the set program.

[0015] Preferably, in the above-mentioned irregular mouth processing process of a vacuum cup, the mold one includes a mold one bracket, a mold one pressing assembly, and a mold one mouth positioning piece, the mold one pressing assembly is movably connected to the mold one bracket, the mold one mouth positioning piece is fixed to the lower part of the mold one bracket and is coaxial with the mold one pressing assembly, the mold one mouth positioning piece is provided with a mold one positioning portion and a mold one step, the positioning mouth ring is placed on the mold one step in step S1, and the mouth ring positioning portion cooperates with the mold one positioning portion.

[0016] The first mold positioning part makes way for the mouth ring positioning part so that it will not be deformed due to force when being pressed into the inner liner. The first mold step is used to place the positioning mouth ring and provide an upward reaction force for the positioning mouth ring during the process of placing the positioning mouth ring. At the same time, the setting of the mold mouth positioning piece can also prevent the deformation of the positioning mouth ring.

[0017] Preferably, in the above-mentioned irregular mouth processing process of a vacuum cup, the mold mouth positioning piece is provided with a mold slope, and the inner wall of the inner liner is provided with an inner liner slope. In step S2, when the inner liner slope abuts against the mold slope, the positioning mouth ring is installed.

[0018] The cooperation between the inclined surface of the mold 1 and the inclined surface of the inner liner plays a role of limiting. When the inclined surface of the inner liner abuts against the inclined surface of the mold 1, the installation of the positioning ring is completed, so that the positioning ring can be sent to the specified position.

[0019] Preferably, in the above-mentioned irregular mouth processing process of a vacuum cup, the mold bracket is also provided with a mold auxiliary bracket, and the mold auxiliary bracket is provided with a longitudinal semicircular groove, the semicircular groove fits with the outer wall of the inner liner, and the inner liner is placed in the semicircular groove during steps S1 and S2.

[0020] The provision of the semicircular groove serves to position the inner liner in the horizontal direction, and also serves as a guide when the pressing assembly of the mold presses the inner liner downward.

[0021] Preferably, in the above-mentioned irregular mouth processing process of a vacuum cup, the mold 2 comprises a right clamping assembly and a left clamping assembly, the left clamping assembly is provided with a mold 2 mouth locating piece, one end of the mold 2 mouth locating piece extends into the inner liner and abuts against the positioning mouth ring, the mold 2 mouth locating piece is provided with the mold 2 positioning portion, the mold 2 positioning portion cooperates with the mouth ring positioning portion, and the right clamping assembly abuts against the bottom of the inner liner.

[0022] The right clamping assembly and the left clamping assembly are used to fix the semi-finished product 1 to facilitate the subsequent cutting operation. The positioning ring cooperates with the positioning part of the mold 2 so that the side arc can appear at the position corresponding to the ring positioning part during the cutting process.

[0023] Preferably, in the above-mentioned irregular mouth processing process of a vacuum cup, the mold two mouth positioning piece is provided with a chip suction port, the mold two mouth positioning piece is hollow and forms a positioning piece chip removal channel, the chip suction port is connected with the positioning piece chip removal channel, the left clamping assembly comprises a left bracket, a middle shaft, and a dust suction assembly, the middle shaft is connected to the left bracket, one end of the middle shaft is connected to the dust suction assembly and the other end of the middle shaft is connected to the mold two mouth positioning piece, the middle shaft is hollow and forms a through middle chip removal channel, the middle chip removal channel connects the dust suction assembly with the positioning piece chip removal channel.

[0024] The chip suction port, the positioning piece chip removal channel, and the middle chip removal channel are connected and cooperate with the dust suction component to absorb the debris generated during the cutting process.

[0025] Preferably, in the above-mentioned irregular mouth processing process of a vacuum cup, the central axis is rotatably connected to the left bracket, the left clamping assembly also includes a power assembly, the right clamping assembly includes a right bracket, a right clamping head, and a right cylinder, the right clamping head is abutted against the bottom of the inner liner, the right clamping head is rotatably connected to the telescopic rod of the right cylinder, the central axis is coaxial with the right clamping head, the power assembly drives the central axis to rotate, the central axis drives the second mold mouth positioning piece to rotate and drives the semi-finished products to rotate together.

[0026] The power assembly drives the central axis to rotate, thereby driving the second die mouth positioning parts to rotate and finally driving the semi-finished products to rotate together. During laser cutting, the cutting head only needs to move horizontally, which reduces the requirements for the laser cutting process.

[0027] Preferably, in the above-mentioned irregular mouth processing process of a vacuum cup, the mold three includes a mold three bracket, a mold three positioning assembly, a mold three clamping assembly, and a mold three orienting assembly. The mold three positioning assembly, the mold three clamping assembly and the mold three orienting assembly are arranged on the mold three bracket. The mold three orienting assembly includes a directional movable cylinder and a movable positioning block. The directional movable cylinder drives the movable positioning block to extend and press the side arc to orient the semi-finished product two. The mold three positioning assembly and the mold three clamping assembly cooperate to position the semi-finished product two.

[0028] In the laser welding step, the welding head runs on a fixed track, and the directional movable cylinder drives the movable positioning block to extend and press the side arc to orient the semi-finished product 2, so that the semi-finished product 2 can be placed at a fixed angle, which is the basis for the subsequent laser welding step.

[0029] Preferably, in the above-mentioned irregular mouth processing process of a vacuum cup, the mold three positioning assembly includes a lower positioning piece and an upper positioning piece, the lower positioning piece and the upper positioning piece are fixed on the mold three bracket, the lower positioning piece is provided with an arc surface that fits with the outer wall of the middle part of the semi-finished product two, and the upper positioning piece is provided with an arc surface that fits with the outer wall of the second mouth of the semi-finished product.

[0030] The arc surface on the lower positioning piece that fits with the outer wall of the middle part of the semi-finished product 2 and the arc surface on the upper positioning piece that fits with the outer wall of the mouth of the semi-finished product 2 are both used to fix the horizontal position of the semi-finished product 2, and the combined action of the two planes can keep the semi-finished product 2 vertical during the clamping process of the mold three clamping assembly, making the position of the semi-finished product 2 more stable during the welding process.

[0031] Preferably, in the above-mentioned irregular mouth processing process of a vacuum cup, the mold three clamping assembly includes a power base, a traction rod, and a clamping rod, the power base is fixed on the mold three bracket, the clamping rod is rotatably connected to the power base, one end of the traction rod is connected to the power base and the other end of the traction rod is rotatably connected to the clamping rod, the power base drives the traction rod to pull the clamping rod inward and compress the semi-finished product two.

[0032] The power base is used to drive the traction rod to pull the clamping rod inward, and the clamping rod is used to clamp the semi-finished product 2 to make its position more stable during the welding process. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 is a schematic diagram of step S2 in the present invention;

[0034] Figure 2 for Figure 1 A partial enlarged view of the middle A;

[0035] Figure 3 It is a structural schematic diagram of the positioning ring in the present invention;

[0036] Figure 4 It is a schematic diagram of the structure of the inner container and the auxiliary support of the mold according to the present invention;

[0037] Figure 5 This is a schematic structural diagram of a positioning member at a mouth of a middle mold of the present invention;

[0038] Figure 6 is a schematic diagram of step S4 in the present invention;

[0039] Figure 7 It is a structural schematic diagram of the left pressing assembly in the present invention;

[0040] Figure 8 It is a structural schematic diagram of the second mouth positioning member of the middle mold of the present invention;

[0041] Fig. 9 It is a structural schematic diagram of semi-finished product 2;

[0042] Fig.10 A schematic diagram of the movable positioning block in mold three extending out to position the semi-finished product two;

[0043] Fig.11 This is a schematic diagram of the movable positioning block being retracted after the semi-finished product 2 in the mold 3 is positioned;

[0044] Fig.12 Schematic diagram of the structure of the product of step S8. DETAILED DESCRIPTION

[0045] The following is combined with Figure 1-12 The present invention is further described in detail with specific embodiments, but they are not intended to limit the present invention:

[0046] A vacuum cup irregular mouth processing technology comprises the following steps:

[0047] S1. Take the liner 1 and the positioning ring 2, fix the positioning ring 2 in the mold 3, place the liner 1 mouth down on the mold 3 and make the liner 1 cover the positioning ring 2;

[0048] S2. Using a mold 3 to apply a downward force to the bottom of the liner 1, so that the positioning ring 2 is pressed into the liner 1 and is connected with the inner wall of the liner 1 by interference fit;

[0049] S3. The outer liner 4 is put on the inner liner 1 and the outer liner 4 is flush with the mouth of the inner liner 1 to form a semi-finished product 6;

[0050] S4. The semi-finished product 6 is fixed by means of the mold 5, the positioning ring 2 is provided with a ring positioning portion 21, and the mold 5 is provided with a mold 2 positioning portion 531 that cooperates with the ring positioning portion 21;

[0051] S5. Using laser cutting technology to cut the semi-finished product 6 into a semi-finished product 7, the semi-finished product 7 forms a side arc 71;

[0052] S6. The semi-finished product 2 7 is placed on the mold 3 8, and the mold 3 8 is provided with an active positioning block 81 that cooperates with the side arc 71, and the active positioning block 81 is used to orient the semi-finished product 2 7;

[0053] S7. Laser welding is performed on the mouth of the semi-finished product 7 to complete the processing of the mouth of the vacuum cup;

[0054] S8. Weld the outer liner bottom to the bottom of the outer liner 4 of the semi-finished product 7 and perform a vacuum process to form a vacuum layer between the outer liner 4 and the inner liner 1.

[0055] Preferably, the mold 3 includes a mold bracket 31, a mold lower pressing assembly 32, and a mold mouth positioning piece 34. The mold lower pressing assembly 32 is movably connected to the mold bracket 31, and the mold mouth positioning piece 34 is fixed to the lower part of the mold bracket 31 and is coaxial with the mold lower pressing assembly 32. The mold mouth positioning piece 34 is provided with a mold-one positioning portion 341 and a mold-one step 342. The positioning mouth ring 2 is placed on the mold-one step 342 in step S1, and the mouth ring positioning portion 21 cooperates with the mold-one positioning portion 341.

[0056] Preferably, the mold mouth positioning piece 34 is provided with a mold first slope 343, and the inner wall of the inner liner 1 is provided with an inner liner slope 11. In step S2, when the inner liner slope 11 abuts against the mold first slope 343, the positioning mouth ring 2 is installed.

[0057] Preferably, the mold one bracket 31 is also provided with a mold one auxiliary bracket 311, and the mold one auxiliary bracket 311 is provided with a longitudinal semicircular groove 312, and the semicircular groove 312 fits with the outer wall of the inner liner 1, and the inner liner 1 is placed in the semicircular groove 312 during steps S1 and S2.

[0058] Preferably, the mold 2 5 includes a right clamping component 51 and a left clamping component 52, the left clamping component 52 is provided with a mold 2 mouth positioning piece 53, one end of the mold 2 mouth positioning piece 53 extends into the inner liner 1 and abuts against the positioning mouth ring 2, the mold 2 mouth positioning piece 53 is provided with the mold 2 positioning portion 531, the mold 2 positioning portion 531 cooperates with the mouth ring positioning portion 21, and the right clamping component 51 abuts against the bottom of the inner liner 1.

[0059] Preferably, the mold two mouth positioning piece 53 is provided with a chip suction port 532, the mold two mouth positioning piece 53 is hollow and forms a positioning piece chip removal channel 533, the chip suction port 532 is communicated with the positioning piece chip removal channel 533, the left clamping assembly 52 includes a left bracket 521, a middle axis 522, and a dust suction assembly 523, the middle axis 522 is connected to the left bracket 521, one end of the middle axis 522 is connected to the dust suction assembly 523 and the other end of the middle axis 522 is connected to the mold two mouth positioning piece 53, the middle axis 522 is hollow and forms a through middle chip removal channel 524, the middle chip removal channel 524 connects the dust suction assembly 523 and the positioning piece chip removal channel 533.

[0060] Preferably, the central axis 522 is rotationally connected to the left bracket 521, the left clamping assembly 52 also includes a power assembly 525, the right clamping assembly 51 includes a right bracket 512, a right clamping head 511, and a right cylinder 513, the right clamping head 511 is abutted against the bottom of the inner liner 1, the right clamping head 511 is rotationally connected to the telescopic rod of the right cylinder 513, the central axis 522 is coaxial with the right clamping head 511, the power assembly 525 drives the central axis 522 to rotate, the central axis 522 drives the mold two mouth positioning piece 53 to rotate and drives the semi-finished product 6 to rotate together.

[0061] Preferably, the mold three 8 includes a mold three bracket 82, a mold three positioning assembly 83, a mold three clamping assembly 84, and a mold three orienting assembly 85. The mold three positioning assembly 83, the mold three clamping assembly 84 and the mold three orienting assembly 85 are arranged on the mold three bracket 82. The mold three orienting assembly 85 includes a directional movable cylinder 851 and a movable positioning block 81. The directional movable cylinder 851 drives the movable positioning block 81 to extend and press the side arc 71 to orient the semi-finished product two 7. The mold three positioning assembly 83 and the mold three clamping assembly 84 cooperate to position the semi-finished product two 7.

[0062] Preferably, the mold three positioning assembly 83 includes a lower positioning member 831 and an upper positioning member 832, and the lower positioning member 831 and the upper positioning member 832 are fixed on the mold three bracket 82, and the lower positioning member 831 is provided with an arc surface that fits with the outer wall of the middle part of the semi-finished product 2 7, and the upper positioning member 832 is provided with an arc surface that fits with the outer wall of the mouth of the semi-finished product 2 7.

[0063] Preferably, the mold three clamping assembly 84 includes a power base 841, a traction rod 842, and a clamping rod 843. The power base 841 is fixed to the mold three bracket 82, and the clamping rod 843 is rotatably connected to the power base 841. One end of the traction rod 842 is connected to the power base 841 and the other end of the traction rod 842 is rotatably connected to the clamping rod 843. The power base 841 drives the traction rod 842 to pull the clamping rod 843 inward and clamp the semi-finished product 2 7.

[0064] 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 of the present invention should fall within the scope of the present invention.

Claims

1. A vacuum cup irregular mouth processing technology, characterized by: The following steps are involved: S1. Take the liner (1) and the positioning ring (2), fix the positioning ring (2) in the mold (3), place the liner (1) with its mouth facing downward on the mold (3) so that the liner (1) covers the positioning ring (2); S2. Using mold 1 (3) to apply a downward force to the bottom of the liner (1), so that the positioning ring (2) is pressed into the liner (1) and is interference-connected with the inner wall of the liner (1); S3. Put the outer liner (4) on the inner liner (1) and make the outer liner (4) flush with the mouth of the inner liner (1) to form a semi-finished product (6); S4. The semi-finished product 1 (6) is fixed by means of the mold 2 (5), the positioning ring (2) is provided with a ring positioning portion (21), and the mold 2 (5) is provided with a mold 2 positioning portion (531) that cooperates with the ring positioning portion (21); S5. Using laser cutting technology to cut the mouth of the semi-finished product 1 (6) to form a semi-finished product 2 (7), the mouth of the semi-finished product 2 (7) forms a side arc (71); S6. The semi-finished product 2 (7) is placed on the mold 3 (8), and the mold 3 (8) is provided with an active positioning block (81) that matches the side arc (71), and the semi-finished product 2 (7) is oriented by using the active positioning block (81); S7. Laser welding is performed on the mouth of the semi-finished product II (7) to complete the processing of the mouth of the vacuum cup; S8. Welding the outer liner bottom at the bottom of the semi-finished product (7) (4) and performing a vacuum process to form a vacuum layer between the outer liner (4) and the inner liner (1); The mold 1 (3) comprises a mold 1 support (31), a mold 1 pressing assembly (32), and a mold 1 mouth positioning member (34); the mold 1 pressing assembly (32) is movably connected to the mold 1 support (31); the mold 1 mouth positioning member (34) is fixed to the lower part of the mold 1 support (31) and is coaxial with the mold 1 pressing assembly (32); the mold 1 mouth positioning member (34) is provided with a mold 1 positioning portion (341) and a mold 1 step (342); the positioning mouth ring (2) is placed on the mold 1 step (342) in step S1; the mouth ring positioning portion (21) cooperates with the mold 1 positioning portion (341); The mold mouth positioning piece (34) is provided with a mold first inclined surface (343), and the inner wall of the inner liner (1) is provided with an inner liner inclined surface (11). In step S2, when the inner liner inclined surface (11) abuts against the mold first inclined surface (343), the positioning mouth ring (2) is installed; The mold 2 (5) comprises a right clamping assembly (51) and a left clamping assembly (52); the left clamping assembly (52) is provided with a mold 2 mouth positioning piece (53); one end of the mold 2 mouth positioning piece (53) extends into the inner liner (1) and abuts against the positioning mouth ring (2); the mold 2 mouth positioning piece (53) is provided with the mold 2 positioning portion (531); the mold 2 positioning portion (531) cooperates with the mouth ring positioning portion (21); the right clamping assembly (51) abuts against the bottom of the inner liner (1); The mold three (8) comprises a mold three bracket (82), a mold three positioning assembly (83), a mold three pressing assembly (84), and a mold three orientation assembly (85). The mold three positioning assembly (83), the mold three pressing assembly (84), and the mold three orientation assembly (85) are arranged on the mold three bracket (82). The mold three orientation assembly (85) comprises an orientation movable cylinder (851) and an active positioning block (81). The orientation movable cylinder (851) drives the active positioning block (81) to extend and press the side arc (71) so as to orient the semi-finished product two (7). The mold three positioning assembly (83) and the mold three pressing assembly (84) cooperate to position the semi-finished product two (7).

2. The irregular mouth processing technology of a vacuum cup according to claim 1, characterized in that: The mold one bracket (31) is further provided with a mold one auxiliary bracket (311), and the mold one auxiliary bracket (311) is provided with a longitudinal semicircular groove (312), the semicircular groove (312) is matched with the outer side wall of the inner liner (1), and the inner liner (1) is placed in the semicircular groove (312) during steps S1 and S2.

3. The irregular mouth processing technology of a vacuum cup according to claim 1, characterized in that: The mold two mouth positioning piece (53) is provided with a chip suction port (532), the mold two mouth positioning piece (53) is hollow and forms a positioning piece chip removal channel (533), the chip suction port (532) is connected to the positioning piece chip removal channel (533), the left clamping assembly (52) comprises a left bracket (521), a middle shaft (522), and a dust suction assembly (523), the middle shaft (522) is connected to the left bracket (521), one end of the middle shaft (522) is connected to the dust suction assembly (523) and the other end of the middle shaft (522) is connected to the mold two mouth positioning piece (53), the middle shaft (522) is hollow and forms a through middle chip removal channel (524), the middle chip removal channel (524) connects the dust suction assembly (523) and the positioning piece chip removal channel (533).

4. The irregular mouth processing technology of a vacuum cup according to claim 3, characterized in that: The central axis (522) is rotatably connected to the left bracket (521), the left clamping assembly (52) further includes a power assembly (525), the right clamping assembly (51) includes a right bracket (512), a right clamping head (511), and a right cylinder (513), the right clamping head (511) is abutted against the bottom of the inner liner (1), the right clamping head (511) is rotatably connected to the telescopic rod of the right cylinder (513), the central axis (522) and the right clamping head (511) are coaxial, the power assembly (525) drives the central axis (522) to rotate, and the central axis (522) drives the second mold mouth positioning member (53) to rotate and drives the semi-finished product (6) to rotate together.

5. The irregular mouth processing technology of a vacuum cup according to claim 1, characterized in that: The mold three positioning assembly (83) comprises a lower positioning member (831) and an upper positioning member (832), wherein the lower positioning member (831) and the upper positioning member (832) are fixed to the mold three bracket (82), wherein the lower positioning member (831) is provided with an arc surface that matches with the outer wall of the middle portion of the semi-finished product (7), and the upper positioning member (832) is provided with an arc surface that matches with the outer wall of the mouth portion of the semi-finished product (7).

6. The irregular mouth processing technology of a vacuum cup according to claim 1, characterized in that: The mold three clamping assembly (84) comprises a power base (841), a traction rod (842), and a clamping rod (843); the power base (841) is fixed to the mold three bracket (82); the clamping rod (843) is rotatably connected to the power base (841); one end of the traction rod (842) is connected to the power base (841) and the other end of the traction rod (842) is rotatably connected to the clamping rod (843); the power base (841) drives the traction rod (842) to pull the clamping rod (843) inward and clamp the semi-finished product two (7).

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