Anti-oxidation solder paste stirrer

Abstract

The utility model belongs to the technical field of solder paste stirring machines, and particularly relates to an anti-oxidation solder paste stirring machine which comprises a rack, a stirring barrel, a sealing barrel and a stirring mechanism, the stirring barrel, the sealing barrel and the stirring mechanism are arranged on the rack, a lifting mechanism is arranged on the lower portion of the rack and used for controlling the stirring barrel to ascend and descend, the sealing barrel is connected with a vacuum exhaust pipe, and the stirring mechanism is arranged on the top of the rack. A stirring head of the stirring mechanism penetrates through a sealing barrel, observation windows are further arranged on the two sides of the sealing barrel, the internal stirring condition can be observed, a transfer frame is arranged at the bottom of the rack, workers can conveniently transfer the whole machine, a sliding mechanism is further arranged on the lower portion of the rack, and the whole rack can slide front and back; the stirring barrel has the advantages that the size is small, the structure is compact, the quick transfer is convenient, the sealing performance is high, the oxidation during stirring can be prevented, and the working personnel can use the stirring barrel more conveniently.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of tin paste stirring equipment, and specifically relates to a tin paste stirring machine capable of preventing oxidation. BACKGROUND

[0002] In the SMT industry, tin paste, as a key material, directly affects the welding quality of electronic components. Tin paste is mainly composed of micron-sized metal alloy powder and flux. During long-term storage or transportation, due to the difference in density, the metal powder will gradually settle at the bottom of the container. In order to ensure the performance, the tin paste usually needs to be refrigerated and stored, and warmed up to room temperature for about 2-4 hours before use. However, even after the warming treatment, the components of the tin paste may still be unevenly distributed, so it is necessary to stir them to make them uniformly mixed again.

[0003] The tin paste stirring machines on the market generally have the following problems: poor sealing: oxidation is easy to occur during stirring; poor mixing uniformity: the traditional stirring structure is difficult to completely break the agglomeration of the powder, resulting in uneven local composition; inconvenient to use: the stirring barrel is difficult to load and unload, and the residual tin paste is difficult to clean, affecting the production efficiency.

[0004] In view of the above problems, a new type of intelligent tin paste stirring equipment needs to be developed, which needs to have the following core characteristics: CONTENT OF THE UTILITY MODEL

[0005] Therefore, the present scheme provides a tin paste stirring machine capable of preventing oxidation, which has good sealing performance, can be vacuumized, adopts planetary stirring paddles, stirs more uniformly, is easier to take out the stirring barrel, and is more convenient to use.

[0006] The technical scheme for solving the above technical problems is as follows:

[0007] A tin paste stirring machine capable of preventing oxidation comprises a rack, a stirring barrel, a sealing barrel and a stirring mechanism arranged on the rack, a lifting mechanism arranged at the lower part of the rack for controlling the lifting and lowering of the stirring barrel, a vacuum air extraction pipe connected to the sealing barrel, the stirring mechanism arranged at the top of the rack, a stirring paddle arranged in the sealing barrel, observation windows arranged on both sides of the sealing barrel for observing the stirring condition inside, a transfer trolley frame arranged at the bottom of the rack for facilitating the transfer of the whole machine, and a sliding mechanism arranged at the lower part of the rack for sliding the whole rack forward and backward, so that the space of the stirring barrel position is more open and the stirring barrel can be taken out.

[0008] Optionally, in an embodiment of the utility model, the lifting mechanism comprises a supporting plate, a sliding assembly and a driving part, the two sides of the supporting plate are slidingly connected with the sliding assembly, the sliding assembly is fixedly installed at the lower part of the rack, and the driving part is arranged inside the rack and slidingly connected with the supporting plate.

[0009] Optionally, in an embodiment of the utility model, the stirring mechanism is equipped with stirring motor and planetary stirring paddle, the planetary stirring paddle includes three stirring paddles and planetary gear set, the planetary gear set is transmission connection with the stirring motor, the gear set is transmission connection with the stirring paddle, make stirring paddle not only can rotate independently and can annularly move.

[0010] Optionally, in an embodiment of the utility model, the top of the rack is further equipped with the bendable lighting lamp for the lighting of observation window.

[0011] Optionally, in an embodiment of the utility model, the sliding mechanism includes sliding motor, rack and transmission rod, the sliding motor is transmission connection with the transmission rod, the both sides of the transmission rod are engaged with the rack, and the rack is fixedly installed on the bottom of the rack.

[0012] Optionally, in an embodiment of the utility model, the transfer trolley includes frame structure and moving wheel, the front side of the frame structure is equipped with handle, and the frame structure is further equipped with support frame for supporting stirring barrel, and the moving wheel is installed on the bottom of the frame structure.

[0013] Optionally, in an embodiment of the utility model, the rack is equipped with vacuum air pump, and the vacuum air pump is connected with vacuum air pipe to realize vacuumizing.

[0014] The utility model discloses the beneficial effect is:

[0015] The utility model provides a kind of anti-oxidation tin paste stirring machine, bottom is equipped with transfer trolley, it is convenient for staff to quickly shift and carry machine, stirring mechanism adopts planetary stirring paddle, can be fully stirred to tin paste, stirring barrel is equipped with the sealing barrel that can be covered, when stirring, can be carried out vacuumizing processing inside, prevent oxidation, sealing barrel is further equipped with observation window, can observe the stirring situation inside at any time, rack is equipped with lifting mechanism of controlling stirring barrel lifting, can automatically connect or separate stirring barrel and sealing barrel cover. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments, it should be understood that the following drawings only show some embodiments of the present application, therefore should not be regarded as the limitation to the scope, for ordinary skilled person in the art, under the premise of not paying creative labor, other related drawings can also be obtained according to these drawings.

[0017] Figure 1 It is the internal structure schematic diagram of a kind of anti-oxidation tin paste stirring machine of the utility model embodiment 1;

[0018] Figure 2 It is an external structure schematic view of the anti-oxidation tin paste stirring machine of the embodiment 1 of the utility model;

[0019] Figure 3 It is a sliding mechanism structure schematic view of the embodiment 1 of the utility model;

[0020] Figure 4 It is a planetary gear set structure schematic view of the embodiment 1 of the utility model;

[0021] The figure mark: frame 1, transfer trolley frame 2, handle 201, moving wheel 203, support frame 204, stirring barrel 3, connecting structure 301, sealed barrel 4, observation window 401, illuminating lamp 402, stirring paddle 5, planetary gear set 501, main gear 5011, planetary gear 5012, gear ring 5013, stirring motor 502, supporting plate 6, screw rod 601, sliding rail 602, sliding mechanism 7, rack 701, moving gear 702, sliding motor 703, vacuum air extraction pipe 8, vacuum air extraction pump 801. DETAILED DESCRIPTION

[0022] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict. The technical scheme of the utility model will be further described below in combination with the drawings of the embodiments of the utility model, and the utility model is not limited to the following specific embodiments.

[0023] It should be understood that the same or similar numerals in the drawings of the embodiments correspond to the same or similar components. In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top" and "bottom" is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing the position relationship in the drawings are only used for exemplary illustration, and cannot be understood as a limitation on the patent, and for ordinary skilled persons in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0024] Embodiment 1

[0025] Because the existing stirring machine has poor sealing or no sealing, oxidation is easy to occur, and the stirring effect is uneven, in addition, it is relatively inconvenient to use, therefore, an anti-oxidation tin paste stirring machine is designed, and the specific scheme is as follows:

[0026] As Figures 1-4As shown in the figure, an anti-oxidation tin paste mixer comprises a rack 1, a stirring barrel 3, a sealed barrel 4 and a stirring mechanism arranged on the rack 1, a lifting mechanism arranged at the lower part of the rack 1 for controlling the lifting of the stirring barrel 3, a vacuum air exhaust pipe 8 connected to the sealed barrel 4, the stirring mechanism arranged at the top of the rack 1, a stirring paddle 5 arranged in the sealed barrel 4, observation windows 401 arranged at the two sides of the sealed barrel 4 for observing the stirring condition inside, the observation windows 401 in the form of a cylindrical structure and outwardly protruding, a transfer trolley frame 2 arranged at the bottom of the rack 1 for facilitating the transfer of the whole machine device by the staff, and a sliding mechanism 7 arranged at the lower part of the rack 1 for sliding the whole rack 1 forward and backward, so that the space of the stirring barrel 3 is more open and the stirring barrel 3 can be taken out.

[0027] As shown in the figure, Figure 1 the lifting mechanism comprises a supporting plate 6, a sliding assembly and a driving part, the two sides of the supporting plate 6 are slidingly connected with the sliding assembly, the sliding assembly is fixedly installed at the lower part of the rack 1, the driving part is arranged inside the rack 1 and is slidingly connected with the supporting plate 6, in use, the stirring barrel 3 can be placed on the supporting plate 6, the driving part drives the supporting plate 6 to lift, and the sliding assembly at the two sides ensures that the supporting plate 6 is stable during lifting, in this embodiment, the driving part is a combination of a lead screw 601 and a motor, the lead screw 601 is controlled to rotate reversely by the motor, so as to control the lifting of the supporting plate 6 and the lifting of the stirring barrel 3.

[0028] As shown in the figure, Figure 1 , 4 the stirring mechanism is provided with a stirring motor 502 and a planetary stirring paddle 5, the planetary stirring paddle 5 comprises three stirring paddles 5 and a planetary gear set 501, a speed reducer is connected between the planetary gear set 501 and the stirring motor 502, the gear set is drivingly connected with the stirring paddles 5, so that the stirring paddles 5 can not only rotate independently but also move in a ring shape, in the planetary gear set 501, a gear ring 5013 at the periphery and a main gear 5011 at the center are provided, one planetary gear 5012 is arranged between the main gear 5011 and the gear ring 5013 every 120°, each planetary gear 5012 is connected with one stirring paddle 5, and the stirring paddle 5 is screwed to a limiting turntable, so as to ensure that the distance between the stirring paddles 5 remains unchanged and the problem of collision does not occur, in this embodiment, the paddle blade of the stirring paddle 5 is a propeller blade.

[0029] As shown in the figure, Figure 2 the top of the rack 1 is further provided with a foldable illuminating lamp 402 for illuminating the observation window 401, in this embodiment, the illuminating lamp 402 is connected with a metal bellows, which can be bent and keep a fixed illuminating angle.

[0030] As shown in the figure, Figure 1 , 3As shown, the sliding mechanism 7 includes a sliding motor 703, a rack 701 and a transmission rod, the sliding motor 703 is in transmission connection with the transmission rod, the two sides of the transmission rod are in meshing with the rack 701, the rack 701 is fixedly installed on the top of the transfer trolley frame 2, the middle part of the transmission rod is screwed on the bottom of the rack 1 and the center of the transmission rod is provided with a transmission gear, the two sides of the transmission rod are provided with moving gears 702, the moving gears 702 are in meshing with the rack 701, the rack 701 is located on the two sides of the bottom of the rack 1, the sliding motor 703 is connected with a driving rod, the front end of the driving rod is provided with a driving gear and the driving gear is in meshing with the transmission gear, through the forward and reverse rotation of the sliding motor 703, the different rotating directions of the transmission rod can be controlled, the moving gears 702 are moved on the rack 701, so that the whole rack 1 is slid forward and backward on the rack 701, in order to ensure that the rack 1 can be kept stable when moving forward and backward, the bottom of the rear of the rack 1 is also provided with auxiliary pulleys on the two sides, so that the rack 1 can be kept stable when sliding.

[0031] As shown in Figure 1 , 2 , the transfer trolley frame 2 includes a frame structure and a moving wheel 203, the front side of the frame structure is provided with a handle 201, the frame structure is also provided with a supporting frame 204 for supporting the stirring barrel 3, the moving wheel 203 is installed on the bottom of the frame structure, the top of the supporting frame 204 is provided with a supporting plate, correspondingly, the upper part of the stirring barrel 3 is provided with outward protruding connecting structures 301 on the two sides, which can be matched with the supporting plate 6 for placement, or can be matched with external hoisting equipment to hoist and move the stirring barrel 3.

[0032] As shown in Figure 1 , the rack 1 is provided with a vacuum air pump 801, the vacuum air pump 801 is connected with a vacuum air pipe 8 to realize vacuumizing, the part where the vacuum air pipe 8 is connected with the sealing barrel 4 is provided with a valve, the valve is also connected with a pressure gauge, the internal pressure can be obtained through the pressure gauge to understand whether the internal vacuumizing reaches the preset standard, and the valve can be operated to switch the vacuumizing on and off.

[0033] Usage:

[0034] First, when the stirring operation is needed, the tin paste is placed in the stirring barrel 3, the lifting mechanism controls the stirring barrel 3 to rise until the sealing barrel 4 is connected to complete the cover, a relatively sealed space is formed, then the internal vacuum is extracted, after the vacuum pressure reaches the preset, the stirring is started, the three stirring paddles 5 can stir the tin paste repeatedly, the stirring range is large, the stirring position is not fixed, the tin paste at each position can be fully stirred, after the stirring is completed, the internal air pressure can be appropriately restored, the lifting mechanism is lowered, and then the stirring barrel 3 is lowered to be separated from the sealing barrel 4, after the outer circle of the stirring mechanism is separated from the stirring barrel 3, if the stirring barrel 3 needs to be moved out, the rack 1 can also be controlled to move backward as a whole, so that there is no interference of other structures above the stirring barrel 3, the stirring barrel 3 is conveniently moved out of the outside, and the stirring barrel 3 is also conveniently placed on the supporting plate 6 subsequently.

[0035] The anti-oxidation tin paste stirring machine has the bottom provided with the transfer frame 2, the stirring mechanism adopts the planetary stirring paddle 5, a plurality of stirring paddles 5 can independently rotate and stir and can circularly move along a circular track in the stirring barrel 3, the tin paste can be fully stirred, the stirring barrel 3 is provided with the sealable sealing barrel 4, the internal vacuum can be extracted during stirring, so that oxidation is prevented, the sealing barrel 4 is further provided with the observation window 401, the internal stirring condition can be observed at any time, the rack 1 is provided with the lifting mechanism for controlling the lifting of the stirring barrel 3, and the stirring barrel 3 and the sealing barrel 4 can be automatically connected or separated.

[0036] Embodiment 2

[0037] In the embodiment, the structure of the stirring machine is basically same as that of the structure of the stirring machine in the embodiment 1, and the difference lies in that the paddle blade of the stirring paddle is a quick-release structure, different structures of the paddle blade can be replaced according to different viscosities of the tin paste, so as to meet the process adaptability.

[0038] Embodiment 3

[0039] In the embodiment, the structure of the stirring machine is basically same as that of the structure of the stirring machine in the embodiment 1, and the difference lies in that the bottom of the sealing barrel is further provided with a ring-shaped spraying pipe, the spraying pipe is connected with an external water pump, the internal wall of the sealing barrel and the internal wall of the stirring barrel can be sprayed and cleaned, and the cleaning efficiency is improved.

[0040] Obviously, the above embodiments of the utility model are only examples for clearly illustrating the utility model, and are not the limitation of the embodiments of the utility model. For ordinary skilled in the art, other different forms of changes or changes can be made on the basis of the above description. Here, all the embodiments are not enumerated. Any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model claim.

Claims

1. An anti-oxidation tin paste mixer characterized by, Including: Frame and stirring barrel, sealed barrel and stirring mechanism arranged on the frame, the lower part of the frame is provided with lifting mechanism for controlling the rising and falling of the stirring barrel, the sealed barrel is connected with vacuum air pipe, the stirring mechanism is arranged on the top of the frame, the stirring mechanism is provided with stirring paddle in the sealed barrel, both sides of the sealed barrel are also provided with observation window, the stirring condition in the inside can be observed, the bottom of the frame is provided with transfer trolley frame, which facilitates the transfer of the whole machine equipment by the staff, the lower part of the frame is also provided with sliding mechanism, the whole frame can be slid forward and backward, so that the space of the stirring barrel position is more open, the whole stirring barrel can be taken out.

2. The anti-oxidation tin paste stirrer according to claim 1, wherein, The lifting mechanism includes a supporting plate, a sliding assembly and a driving part, the two sides of the supporting plate are slidably connected with the sliding assembly, the sliding assembly is fixedly installed on the lower part of the frame, and the driving part is arranged in the frame and slidably connected with the supporting plate.

3. The anti-oxidation tin paste stirrer according to claim 1, wherein, The stirring mechanism is provided with a stirring motor and a planetary stirring paddle, the planetary stirring paddle includes three stirring paddles and a planetary gear set, the planetary gear set is in transmission connection with the stirring motor, and the gear set is in transmission connection with the stirring paddles, so that the stirring paddles can not only rotate independently but also move in a ring shape.

4. The anti-oxidation tin paste stirrer according to claim 1, wherein, The top of the frame is also provided with a foldable illuminating lamp for illuminating the observation window.

5. The anti-oxidation tin paste stirrer according to claim 1, wherein, The sliding mechanism includes a sliding motor, a rack and a transmission rod, the sliding motor is in transmission connection with the transmission rod, the two sides of the transmission rod are in engagement with the rack, and the rack is fixedly installed on the bottom of the frame.

6. The anti-oxidation tin paste stirrer according to claim 1, wherein, The transfer trolley frame includes a frame structure and a moving wheel, the front side of the frame structure is provided with a handle, and the frame structure is also provided with a supporting frame for supporting the stirring barrel, and the moving wheel is installed on the bottom of the frame structure.

7. The anti-oxidation tin paste stirrer according to claim 1, wherein, The frame is provided with a vacuum air pump, and the vacuum air pump is connected with the vacuum air pipe to realize vacuumizing.

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