Chemical tin reaction equipment with precise temperature control

Abstract

The utility model discloses a kind of chemical tin reaction equipment with accurate temperature control, including tin furnace, its top is fixedly connected with tray, through the positioning ring in tray fluting, tin pot is formed to support positioning, provides the placement reference of tin pot foundation, ensure that tin pot is roughly located in heating zone preset position when initial placement, simultaneously, barb portion of tin pot outer wall and the pressing assembly on tray mutually cooperate, form the auxiliary fixed constraint of tin pot, further limit the displacement of tin pot in horizontal direction and vertical direction, double positioning structure significantly reduces the deviation problem caused by artificial placement deviation or slight shaking in use of tin pot, ensure that tin pot is always accurate with tin furnace heating zone correspondence, reduce the influence of heating zone temperature gradient on material in pot, and then improve the temperature distribution uniformity of tin material or chemical plating solution in tin pot, guarantee reaction effect stability.

Description

Technical Field

[0001] This utility model relates to the field of chemical reaction equipment technology, specifically a chemical tin reaction device with precise temperature control. Background Technology

[0002] The mainstream structure of an adjustable temperature soldering furnace includes a furnace body, a built-in heating module (such as a quartz heating tube or a ceramic heating element), a temperature sensor (such as a Pt100 platinum resistance thermometer), and a temperature control instrument. The solder pot (usually made of stainless steel or polytetrafluoroethylene, with a capacity of 5-50L) containing solder or chemical plating solution is placed directly in the heating zone at the top of the furnace body. The heating module conducts heat to the bottom and side walls of the solder pot, and the temperature is adjusted in conjunction with the temperature control instrument.

[0003] However, in actual operation, the heating zone of the tin furnace is only a planar load-bearing structure and lacks an auxiliary positioning mechanism for the tin pot. When placing the tin pot, it relies on manual alignment. Without positioning constraints, it is easy to deviate (such as deviating from the center of the heating zone). Furthermore, the heating zone of the adjustable temperature tin furnace has a certain temperature gradient. After deviating, the local area of ​​the tin pot cannot fully contact the heating source, resulting in uneven temperature distribution of the tin material or plating solution in the pot. Therefore, we need to propose a chemical tin reaction device with precise temperature control. Utility Model Content

[0004] The purpose of this invention is to provide a chemical tin reaction device with precise temperature control. By setting a positioning ring in the tray groove and a combination of the barb part on the outer wall of the tin pot and the tray clamping assembly to form a double positioning structure, the device ensures that the tin pot is initially located in the preset position of the heating zone and restricts its horizontal and vertical displacement to reduce deviation, thereby solving the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A chemical tin reaction apparatus with precise temperature control includes: a tin furnace, a tray fixedly connected to its top, a through groove on the tray, and a positioning ring for supporting the tin pot fixedly embedded inside the through groove; two sets of connecting plates symmetrically fixedly connected to the outer wall of the tin pot, and barbs fixedly connected to the bottom of each of the two sets of connecting plates; and two sets of clamping components on the top of the tray for assisting in positioning the tin pot in cooperation with the barbs.

[0007] Preferably, the clamping assembly includes a mounting base, which is fixedly connected to the top of the tray. Rotating rods are rotatably connected to the inner walls on both sides of the mounting base. A connecting column is fixedly connected to the opposite ends of the two sets of rotating rods. A hanging rod is fixedly connected to the outer wall of the connecting column.

[0008] Preferably, the hanging rod is U-shaped, with its top end overlapping the top of the barb.

[0009] Preferably, it also includes two sets of torsion springs, one end of each set of torsion springs being fixedly connected to the inner walls of both sides of the mounting base, and the other end of each set of torsion springs being fixedly connected to both ends of the rotating rod.

[0010] Preferably, the two sets of torsion springs are respectively movably sleeved on the outer wall of the rotating rod, and both sets of torsion springs are made of stainless steel.

[0011] Preferably, two sets of handles are symmetrically fixedly connected to the outer wall of the tin pot.

[0012] Preferably, the tin furnace has a built-in heating module with a power cord connected to one side wall, a power switch on the top of the tin furnace, and a temperature control knob on one side of the power switch.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] This invention uses a positioning ring within the tray groove to support and position the solder pot, providing a basic placement reference and ensuring that the solder pot is approximately positioned within the preset heating zone when initially placed. Simultaneously, the barbed portion on the outer wall of the solder pot cooperates with the clamping components on the tray to form an auxiliary fixing constraint on the solder pot, further limiting its lateral and vertical displacement. This dual positioning structure significantly reduces the solder pot's offset caused by manual placement deviations or slight shaking during use, ensuring that the solder pot always precisely corresponds to the heating zone of the solder furnace. This reduces the impact of the temperature gradient in the heating zone on the material inside the pot, thereby improving the uniformity of temperature distribution of the solder or chemical plating solution within the pot and ensuring the stability of the reaction effect. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the axial side structure of this utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the tray and tin pot of this utility model;

[0018] Figure 4 This is a schematic diagram showing the tray and tin pot separated in this utility model.

[0019] Figure 5 This is a schematic diagram of the structure of the clamping assembly of this utility model.

[0020] In the diagram: 1. Solder pot; 2. Tray; 3. Through slot; 4. Solder pot; 5. Positioning ring; 6. Connecting plate; 7. Barb; 8. Clamping assembly; 801. Mounting base; 802. Rotating rod; 803. Connecting column; 804. Hanging rod; 805. Torsion spring; 9. Handle; 10. Power switch; 11. Power cord; 12. Temperature control knob. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figure 1-5 This utility model provides a technical solution:

[0023] A chemical tin reaction device with precise temperature control includes a tin furnace 1, with a tray 2 fixedly connected to its top. The tray 2 has a through groove 3, and a positioning ring 5 for supporting a tin pot 4 is fixedly embedded inside the through groove 3. By setting the positioning ring 5 fixedly embedded in the through groove 3 of the tray 2, and the size of the positioning ring 5 being adapted to the bottom of the tin pot 4 to precisely support the tin pot 4, a stable and accurate initial placement benchmark for the tin pot 4 is achieved, preventing the tin pot 4 from deviating directly from the core area of ​​the heating zone of the tin furnace 1 when it is first placed. The positioning ring 5 is made of 304 stainless steel with a thickness of 5mm. The diameter of the through groove 3 is 0.2mm larger than the outer diameter of the positioning ring 5 to ensure that the positioning ring 5 does not loosen after being embedded. At the same time, the stainless steel material can withstand the high temperature (up to 200℃) of the tin furnace 1 during operation, avoiding deformation after long-term use, and further ensuring the stability of the initial positioning.

[0024] Two sets of connecting plates 6 are symmetrically fixedly connected to the outer wall of the tin pot 4. Each set of connecting plates 6 has a hook 7 fixedly connected to its bottom. Two sets of clamping components 8 are provided on the top of the tray 2 to cooperate with the hooks 7 and assist in positioning the tin pot 4. By setting two sets of connecting plates 6 symmetrically distributed on the outer wall of the tin pot 4 and the hooks 7 at the bottom of the connecting plates 6, and simultaneously using clamping components 8 on the top of the tray 2 that correspond one-to-one with the hooks 7, a "tin pot-tray" auxiliary positioning cooperation structure is constructed, initially restricting the tin pot 4 from shifting laterally. The connecting plates 6 are made of 3mm thick stainless steel and are fixed to the outer wall of the tin pot 4 by argon arc welding. The weld joints are polished to prevent corrosion from accumulated liquid. The hook surfaces of the hooks 7 are arc-shaped (1mm radius) to avoid mechanical wear when cooperating with the hanging rod 804. The symmetrical axes of the two sets of clamping components 8 completely coincide with the symmetrical axis of the connecting plates 6, ensuring balanced lateral constraint force on the tin pot 4.

[0025] The clamping assembly 8 includes a mounting base 801, which is fixedly connected to the top of the tray 2. Rotating rods 802 are rotatably connected to the inner walls of both sides of the mounting base 801. A connecting post 803 is fixedly connected to the opposite end of each of the two sets of rotating rods 802. A hanging rod 804 is fixedly connected to the outer wall of the connecting post 803. By configuring the mounting base 801 fixed to the tray 2, the rotating rods 802 rotatably connected within the mounting base 801, the connecting post 803 connecting the rotating rods 802, and the hanging rod 804 on the outer wall of the connecting post 803, the hanging rod 804 can be adjusted accordingly. The rotating rod 802 rotates to adjust its angle, achieving flexible adaptation to the position of the hook part 7 and ensuring that the hanging rod 804 can stably cooperate with the hook part 7. The mounting base 801 is made of cast iron and is fixed to the tray 2 by 4 sets of M6 bolts, which facilitates later disassembly and maintenance. The rotating rod 802 is made of 45 steel with heat treatment (hardness HRC28-32) and a diameter of 8mm to ensure that it is not easy to bend during rotation. The connecting column 803 is fixed to the rotating rod 802 by full welding. The welding point between the hanging rod 804 and the connecting column 803 is reinforced with a reinforcing rib to improve the load-bearing capacity.

[0026] The hanging rod 804 is U-shaped, with its top end overlapping the top of the hook part 7. By setting the hanging rod 804 in a U-shape and ensuring that the top end of the hanging rod 804 precisely overlaps the top of the hook part 7, the wrapping property of the U-shape and the stability of the overlap achieve the effect of vertically constraining the tin pot 4 and preventing the tin pot 4 from shifting upward due to slight vibration during heating. The width of the U-shaped opening of the hanging rod 804 is 0.5mm larger than the thickness of the hook part 7 to ensure that there is no jamming during the overlap. The contact length of the U-shaped top end is 20mm, which increases the contact area with the hook part 7 and avoids deformation of the hook part 7 due to excessive local pressure. The surface of the hanging rod 804 is galvanized to improve rust resistance and meet the needs of long-term use of the equipment in a humid and hot environment.

[0027] It also includes two sets of torsion springs 805. One end of each set of torsion springs 805 is fixedly connected to the inner walls of both sides of the mounting base 801, and the other end of each set of torsion springs 805 is fixedly connected to both ends of the rotating rod 802. By setting two sets of torsion springs 805 and connecting them to the inner wall of the mounting base 801 and the rotating rod 802 respectively, the elastic restoring characteristics of the torsion springs 805 are used to provide continuous torque to the rotating rod 802, so that the hanging rod 804 always maintains the overlapping pressure on the hook part 7, and avoids the hanging rod 804 from loosening and causing positioning failure. The wire diameter of the torsion spring 805 is 1.2mm, the free length is 30mm, and the initial torque is set to 0.5N·m, which ensures that it can provide sufficient clamping force without making it difficult for the operator to rotate the hanging rod 804 due to excessive torque. The hooks at both ends of the torsion spring 805 are cold-bent to ensure that the connection with the mounting base 801 and the rotating rod 802 is firm and not easy to fall off.

[0028] Two sets of torsion springs 805 are movably sleeved on the outer wall of the rotating rod 802, and both sets of torsion springs 805 are made of stainless steel. By setting the stainless steel torsion springs 805 movably sleeved on the outer wall of the rotating rod 802, the torsion springs 805 are prevented from shifting away from the stress point. At the same time, the high temperature resistance and corrosion resistance of stainless steel are utilized to ensure that the torsion springs 805 work stably for a long time in the heating environment of the tin furnace 1 and to extend the service life of the clamping assembly 8. The fit clearance between the outer wall of the rotating rod 802 and the inner wall of the torsion spring 805 is 0.1mm to prevent the torsion springs 805 from jamming when the rotating rod 802 rotates. The stainless steel material is 316L, which has better corrosion resistance than ordinary stainless steel and can withstand the slight acidic gases (such as the volatilized gases of chemical tin plating solution) that may be generated when the tin furnace 1 is working, thus preventing the torsion springs 805 from failing due to corrosion.

[0029] Two sets of handles 9 are symmetrically fixed to the outer wall of the tin pot 4. By setting two sets of handles 9 symmetrically on the outer wall of the tin pot 4, the surface of the handles 9 is treated with anti-slip material to improve grip comfort, so as to facilitate the operator to manually pick up and put down the tin pot 4, reduce the risk of the tin pot 4 tilting or colliding during the picking up and putting down process, and improve the ease of operation of the equipment. The handles 9 are made of 10mm diameter stainless steel round steel bent into shape, and the surface is covered with a 2mm thick heat-resistant silicone sleeve (temperature resistant up to 250℃) to prevent the operator from burning their hands when picking up and putting down the hot tin pot 4. The handles 9 are fixed to the tin pot 4 with M8 bolts, and the bolt heads are embedded in the handles 9 to avoid protrusion and scratching. The height of the handles 9 is 100mm, which is suitable for the grip size of most operators' hands, further reducing the difficulty of operation.

[0030] The tin furnace 1 has a built-in heating module, with a power cord 11 connected to one side wall. A power switch 10 is located on the top of the tin furnace 1, and a temperature control knob 12 is located next to the power switch 10. By incorporating the built-in heating module (such as a ceramic heating element or quartz heating tube), the power cord 11 on the side wall, the power switch 10 on the top, and the temperature control knob 12, the operator can adjust the heating power via the knob, achieving precise power control and temperature regulation, and providing stable heating conditions for the chemical tin reaction inside the tin pot. The power of the heating module can be adjusted within the range of 1-3kW, adapting to tin pots 4 with capacities of 5-50L. The power cord 11 uses a 3-core copper cable (2.5mm diameter). 2 It conforms to GB / T5023 standard, ensuring power supply safety when the equipment is running at full power. The power switch 10 adopts a rocker switch with overload protection (rated current 16A). The temperature control knob 12 has an adjustment accuracy of ±1℃. The knob surface is pressed with anti-slip texture for easy and precise adjustment by the operator.

[0031] Working principle: The operator holds the handles 9 (with silicone sleeves for heat insulation and anti-scalding) on ​​the outer wall of the tin pot 4 with both hands and moves the tin pot 4 to the tray 2. First, align the bottom of the tin pot 4 with the positioning ring 5 in the through groove 3 of the tray 2, and slowly lower the tin pot 4. The positioning ring 5, through its matching structure with the bottom of the tin pot 4, forms radial constraint and support for the tin pot 4, ensuring that the tin pot 4 is initially positioned directly above the heating zone of the tin furnace 1. Then, the operator uses their fingers to pull the hanging rod 804 of the clamping component 8, causing the hanging rod 804 to rotate around the rotating rod 802. The rotating rod 802 rotates flexibly within the mounting base 801, allowing the top of the U-shaped hanging rod 804 to be attached to the hook portion 7 at the bottom of the connecting plate 6. At this time, the torsion springs 805 at both ends of the rotating rod 802 undergo elastic deformation due to the rotation of the rotating rod 802, releasing a continuous torque that acts on the rotating rod 802, causing the hanging rod 804 to press tightly against the hook portion 7. This double restriction of the displacement of the tin pot 4 from both the horizontal and vertical perspectives completes the precise positioning of the tin pot 4. The entire positioning process requires no tool assistance and can be completed by a single person within 30 seconds.

[0032] After the chemical tin reaction is complete, the operator turns off the power switch 10 to cut off the power supply to the heating module and waits for the temperature of the tin pot 4 to drop below 60℃ (the temperature can be sensed by touching the silicone sleeve of the handle 9). Then, the operator pulls the hanging rod 804 again to disengage it from the barb part 7 (the torsion spring 805 deforms further and stores elastic potential energy). The operator holds the handle 9 with both hands and removes the tin pot 4 vertically upward from the positioning ring 5 and transfers it to the subsequent processing station. If the equipment needs to be used again, the "tin pot positioning - heating and temperature control" process can be repeated. The torsion spring 805, hanging rod 804 and other components are made of corrosion-resistant and high-temperature resistant materials, which can be used stably for a long time without frequent maintenance.

[0033] Although embodiments of the present invention 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 to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A chemical tin reaction apparatus with precise temperature control, characterized in that, include: A tin furnace (1) has a tray (2) fixedly connected to its top. The tray (2) has a through groove (3) and a positioning ring (5) for supporting the tin pot (4) is fixedly embedded inside the through groove (3). Two sets of connecting plates (6) are symmetrically fixedly connected to the outer wall of the tin pot (4). The bottom of each of the two sets of connecting plates (6) is fixedly connected to a barb (7). The top of the tray (2) is provided with two sets of clamping components (8) for cooperating with the barb (7) to assist in positioning the tin pot (4).

2. The chemical tin reaction apparatus with precise temperature control according to claim 1, characterized in that: The clamping assembly (8) includes a mounting base (801), which is fixedly connected to the top of the tray (2). Rotating rods (802) are rotatably connected to the inner walls on both sides of the mounting base (801). A connecting column (803) is fixedly connected to the opposite end of the two sets of rotating rods (802). A hanging rod (804) is fixedly connected to the outer wall of the connecting column (803).

3. The chemical tin reaction apparatus with precise temperature control according to claim 2, characterized in that: The hanging rod (804) is U-shaped, with its top end overlapping the top of the hook part (7).

4. The chemical tin reaction apparatus with precise temperature control according to claim 3, characterized in that: It also includes two sets of torsion springs (805), one end of each set of torsion springs (805) is fixedly connected to the inner walls of both sides of the mounting base (801), and the other end of each set of torsion springs (805) is fixedly connected to both ends of the rotating rod (802).

5. The chemical tin reaction apparatus with precise temperature control according to claim 4, characterized in that: The two sets of torsion springs (805) are respectively movably sleeved on the outer wall of the rotating rod (802), and both sets of torsion springs (805) are made of stainless steel.

6. The chemical tin reaction apparatus with precise temperature control according to claim 1, characterized in that: Two sets of handles (9) are symmetrically fixedly connected to the outer wall of the tin pot (4).

7. The chemical tin reaction apparatus with precise temperature control according to claim 1, characterized in that: The tin furnace (1) has a built-in heating module and a power cord (11) connected to one side wall. A power switch (10) is provided on the top of the tin furnace (1), and a temperature control knob (12) is provided on one side of the power switch (10).

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