Cooling device for SMT (Surface Mount Technology) double-track reflow soldering

Abstract

The utility model discloses a cooling device for SMT (Surface Mount Technology) double-track reflow soldering, which belongs to the technical field of cooling devices and comprises a base, universal wheels are arranged at two ends below the base, a positioning component is arranged in the middle below the base, an air cooler is arranged at one end above the base, and a transverse moving component is arranged at the other end above the base. A support is arranged above the transverse moving assembly, a containing frame is arranged in the support, and a constant-speed motor is arranged at one end of the containing frame. Through the positioning assembly, the effect that after the device is moved, the device can be conveniently positioned is achieved, the structure is convenient to use, positioning of the device can be completed by directly rotating a rotating handle, and the device is convenient to use. According to the utility model, through the arrangement of the transverse moving assembly, the effect of uninterrupted and continuous cooling work is realized, and the practicability of use is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of cooling devices, and in particular relates to a cooling device for SMT double-track reflow soldering. Background Art

[0002] Reflow soldering technology is not unfamiliar in the field of electronic manufacturing. The components on various boards used in our computers are soldered to the circuit board through this process. There is a heating circuit inside this equipment, which heats the air or nitrogen to a high enough temperature and blows it to the circuit board with the components attached, so that the solder on both sides of the components melts and bonds with the main board. The advantage of this process is that the temperature is easy to control, oxidation can be avoided during the soldering process, and the manufacturing cost is easier to control. After SMT reflow soldering, the boards and other materials need to be cooled.

[0003] Chinese patent application No. 202121743449.9 discloses a cooling device after SMT reflow soldering, including a bottom mounting plate, a side position of the bottom mounting plate is provided with a cold air blower, a main body rotating rod is provided on the bottom mounting plate at the other side position of the cold air blower, a plurality of middle placement plates are provided on the main body rotating rod, an upper bearing is provided on the main body rotating rod at a position above the middle placement plate, a plurality of No. 2 side support rods are provided on the main body rotating rod at a position above the upper bearing, and a middle movable tube is provided on the No. 2 side support rod. The cooling device after SMT reflow soldering described in the utility model belongs to the field of welding equipment. Through the cold air blower and other structures provided, the middle placement plate and other structures can be rotated, so that the cooling is faster and more uniform, and the deflection angle of the fan blade plate can be adjusted to affect the rotation of the main body rotating rod, thereby adjusting the rotation speed of the middle placement plate to a certain extent.

[0004] The above-mentioned patent disclosed has the following problems: 1. When in use, the device can be easily moved by means of universal wheels, but it is inconvenient to position the device after the movement, so that the stability of the device is not high enough and it is easy to shift; 2. When in use, it is not conducive to continuous work. When cooling is completed, the boards need to be removed and then replaced with another batch of boards, which is inefficient and not convenient for uninterrupted cooling work. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a cooling device for SMT double-track reflow soldering, which has the characteristics of being easy to position the device after moving it, and being able to perform uninterrupted and continuous cooling work.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cooling device for SMT double-track reflow soldering, comprising a base, universal wheels are arranged at both ends below the base, a positioning assembly is arranged in the middle below the base, a cooling air fan is arranged at one end above the base, a lateral movement assembly is arranged at the other end above the base, a bracket is arranged above the lateral movement assembly, a placement rack is arranged inside the bracket, and a uniform speed motor is arranged at one end of the placement rack.

[0007] Preferably, the positioning assembly includes a positioning screw, a turning handle, a fastening assembly, a bearing, a positioning plate and a guide rod, wherein the positioning screw is threadedly connected in the middle of the base, a turning handle is provided at one end of the positioning screw, a fastening assembly is provided at the other end of the positioning screw, a bearing is provided at the connection between the positioning screw and the fastening assembly, a positioning plate is provided below the fastening assembly, and a guide rod is provided on one side of the positioning screw.

[0008] Preferably, the fastening assembly includes a fastening seat, a fastening spring, a limit slider and a limit slide rod, wherein the fastening seat is arranged at one end of the positioning screw, the positioning plate is located above the fastening seat and is provided with a fastening spring, the positioning plate is located on both sides of the fastening seat and is provided with limit sliders, and the limit slide rod slides in the middle of the limit slider.

[0009] Preferably, a fastening pad is provided below the positioning plate, and a support rod is provided around the surface of the turning handle.

[0010] Preferably, the transverse movement assembly includes a transverse movement seat, a transverse movement screw, a turntable, a square slider, a connecting block and a support plate, wherein the transverse movement seat is arranged at one end above the base, a transverse movement screw is arranged inside the transverse movement seat, a turntable is arranged at one end of the transverse movement screw, a square slider is threadedly connected to the surface of the transverse movement screw, a connecting block is arranged at one end of the square slider, and a support plate is arranged at one end of the connecting block.

[0011] Preferably, a rotating rod is provided on one side of the rotating disk, and a stabilizing sliding rod is slidably provided in the middle of the connecting block.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model realizes the effect of conveniently positioning the device after the device is moved by setting a positioning component. The structure is easy to use, and the positioning of the device can be completed by directly turning the handle, and the positioning effect of the device is good by fastening the component.

[0014] 2. The utility model realizes the effect of uninterrupted and continuous cooling by setting a transverse movement component. When in use, after the workpieces on one placement rack are cooled, the other placement rack is moved to one side of the air cooler for cooling, and then the workpieces on the other placement rack are taken away, thereby realizing uninterrupted cooling. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the structure of the utility model cut from the front view;

[0017] Figure 3 It is a schematic diagram of the structure of the utility model cut from the side;

[0018] Figure 4 It is a structural schematic diagram of the positioning component of the utility model;

[0019] Figure 5 It is a structural schematic diagram of the fastening component in the positioning component of the utility model;

[0020] Figure 6 It is a structural schematic diagram of the transverse shifting assembly of the utility model.

[0021] In the figure: 1. base; 2. universal wheel; 3. positioning assembly; 31. positioning screw; 32. turning handle; 33. fastening assembly; 34. bearing; 35. positioning plate; 36. fastening pad; 37. guide rod; 331. fastening seat; 332. fastening spring; 333. limit slider; 334. limit slider; 4. air cooler; 5. transverse movement assembly; 51. transverse movement seat; 52. transverse movement screw; 53. turntable; 54. square slider; 55. connecting block; 56. support plate; 6. bracket; 7. placement rack; 8. uniform speed motor. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Example 1

[0024] See also Figure 1-6 The utility model provides the following technical solutions: a cooling device for SMT double-track reflow soldering, comprising a base 1, universal wheels 2 are arranged at both ends below the base 1, a positioning assembly 3 is arranged in the middle below the base 1, a cooling fan 4 is arranged at one end above the base 1, a lateral movement assembly 5 is arranged at the other end above the base 1, a bracket 6 is arranged above the lateral movement assembly 5, a placement rack 7 is arranged inside the bracket 6, and a uniform speed motor 8 is arranged at one end of the placement rack 7.

[0025] Specifically, the positioning assembly 3 includes a positioning screw 31, a turning handle 32, a fastening assembly 33, a bearing 34, a positioning plate 35 and a guide rod 37, wherein the positioning screw 31 is threadedly connected in the middle of the base 1, a turning handle 32 is provided at one end of the positioning screw 31, a fastening assembly 33 is provided at the other end of the positioning screw 31, a bearing 34 is provided at the connection between the positioning screw 31 and the fastening assembly 33, a positioning plate 35 is provided below the fastening assembly 33, and a guide rod 37 is provided on one side of the positioning screw 31.

[0026] By adopting the above technical solution, the handle 32 is rotated, and the rotation of the handle 32 drives the positioning screw 31 to rotate. The positioning screw 31 rotates, and under the action of the bearing 34 and the guide rod 37, the fastening assembly 33 and the positioning plate 35 are driven to move downward, thereby contacting the ground and positioning the device. When the device is in use, it is convenient to position the device after the device is moved, thereby improving the practicality of use.

[0027] Specifically, the fastening assembly 33 includes a fastening seat 331, a fastening spring 332, a limiting slide block 333 and a limiting slide rod 334, wherein the fastening seat 331 is arranged at one end of the positioning screw 31, the positioning plate 35 is located above the fastening seat 331 and is provided with a fastening spring 332, the positioning plate 35 is located on both sides of the fastening seat 331 and is provided with limiting slide blocks 333, and the limiting slide bar 334 is sliding in the middle of the limiting slide block 333.

[0028] By adopting the above technical solution, when the fastening assembly 33 is in use, when the positioning plate 35 abuts against the ground, the fastening spring 332 will move and compress in the fastening seat 331 until the fastening spring 332 is in a fully compressed state, so that the positioning effect of the device is good.

[0029] Specifically, a fastening pad 36 is disposed below the positioning plate 35 , and a support rod is disposed around the surface of the turning handle 32 .

[0030] By adopting the above technical solution, the setting of the fastening pad 36 further improves the positioning effect, and the setting of the support rod makes it convenient to rotate the handle 32.

[0031] When the present embodiment is in use: the turning handle 32 is turned, and the turning handle 32 drives the positioning screw 31 to rotate. The positioning screw 31 rotates, and under the action of the bearing 34 and the guide rod 37, the fastening assembly 33 and the positioning plate 35 are driven to move downward, thereby abutting against the ground to position the device. When the fastening assembly 33 is in use, when the positioning plate 35 abuts against the ground, it will move and compress the fastening spring 332 in the fastening seat 331 until the fastening spring 332 is in a fully compressed state, so that the positioning effect of the device is good, so that when the device is in use, it is convenient to position the device after the device is moved, thereby improving the practicality of use.

[0032] Example 2

[0033] The difference between this embodiment and embodiment 1 is that: specifically, the transverse movement assembly 5 includes a transverse movement seat 51, a transverse movement screw rod 52, a turntable 53, a square slider 54, a connecting block 55 and a support plate 56, wherein the transverse movement seat 51 is arranged at one end above the base 1, the transverse movement screw rod 52 is arranged inside the transverse movement seat 51, the turntable 53 is arranged at one end of the transverse movement screw rod 52, the surface of the transverse movement screw rod 52 is threadedly connected with the square slider 54, one end of the square slider 54 is arranged with a connecting block 55, and one end of the connecting block 55 is arranged with a support plate 56.

[0034] By adopting the above technical solution, when the workpieces on the placement rack 7 are cooled, the turntable 53 is rotated, and the rotation of the turntable 53 drives the transverse screw 52 to rotate, and the rotation of the transverse screw 52 drives the square slider 54 to move, thereby driving the connecting block 55 to move, thereby driving the placement rack 7 to move through the support plate 56, and moving another placement rack 7 to the side of the air cooler 4 for cooling, and then the workpieces on the cooled placement rack 7 are taken away, and then the workpieces that need to be cooled are removed, thereby realizing uninterrupted and continuous cooling work, so that the device can perform uninterrupted and continuous cooling work when in use, thereby improving the practicality of use.

[0035] Specifically, a rotating rod is provided on one side of the rotating disk 53 , and a stabilizing sliding rod is slidably provided in the middle of the connecting block 55 .

[0036] By adopting the above technical solution, the setting of the rotating rod makes it convenient to rotate the rotating disk 53, and the setting of the stable sliding rod makes it easy for the connecting block 55 to slide stably.

[0037] When this embodiment is in use: after the workpieces on the placement rack 7 are cooled, the turntable 53 is rotated, and the rotation of the turntable 53 drives the transverse screw 52 to rotate, and the rotation of the transverse screw 52 drives the square slider 54 to move, thereby driving the connecting block 55 to move, thereby driving the placement rack 7 to move through the support plate 56, and moving the other placement rack 7 to the side of the air cooler 4 for cooling, and then the workpieces on the cooled placement rack 7 are taken away, and then the workpieces that need to be cooled are removed, thereby realizing uninterrupted and continuous cooling work, so that the device can perform uninterrupted and continuous cooling work when in use, thereby improving the practicality of use.

[0038] The structure and use principle of the air cooler 4 in the utility model have been disclosed in a cooling device after SMT reflow soldering disclosed in Chinese patent application number 202121743449.9, and its working principle is to facilitate cooling of the workpiece by the air cooler 4.

[0039] The working principle and use process of the utility model: the utility model is used for cooling the workpiece after SMT reflow soldering. When in use, the device is moved to the use position through the universal wheel 2, and the device is positioned through the positioning component 3. Then the workpiece is placed on the placement rack 7 and cooled by the cold air fan 4. During cooling, the placement rack 7 is driven to rotate at a uniform speed by the uniform speed motor 8, so that the cooling effect is good. During cooling, the two placement racks 7 can be driven to move left and right and change their positions through the transverse movement component 5, so as to achieve continuous and uninterrupted cooling. When the positioning component 3 is in use, the turning handle 32 is rotated, and the rotation of the turning handle 32 drives the positioning screw 31 to rotate. The positioning screw 31 rotates, and under the action of the bearing 34 and the guide rod 37, the fastening component 33 and the positioning plate 35 are driven to move downward, so as to abut against the ground to position the device. When the fastening component 33 is in use, when the positioning plate 35 abuts against the ground, it will The compressed fastening spring 332 is moved in the fastening seat 331 until the fastening spring 332 is in a fully compressed state, so that the positioning effect of the device is good, so that when the device is in use, it is convenient to position the device after the device is moved, thereby improving the practicality of use. When the transverse movement component 5 is in use, when the workpiece on the placement rack 7 is cooled, the turntable 53 is rotated, and the rotation of the turntable 53 drives the transverse movement screw rod 52 to rotate, and the rotation of the transverse movement screw rod 52 drives the square slider 54 to move, thereby driving the connecting block 55 to move, thereby driving the placement rack 7 to move through the support plate 56, and moving the other placement rack 7 to one side of the air cooler 4 for cooling, and then taking away the workpiece on the cooled placement rack 7, and then preventing the workpiece that needs to be cooled, thereby realizing uninterrupted and continuous cooling work, so that the device can perform uninterrupted and continuous cooling work when in use, thereby improving the practicality of use.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cooling device for SMT double-track reflow soldering, comprising a base, characterized in that: Universal wheels are arranged at both ends below the base, a positioning assembly is arranged in the middle below the base, a cooling fan is arranged at one end above the base, a transverse movement assembly is arranged at the other end above the base, a bracket is arranged above the transverse movement assembly, a placement rack is arranged inside the bracket, and a uniform speed motor is arranged at one end of the placement rack.

2. A cooling device for SMT double-track reflow soldering according to claim 1, characterized in that: The positioning assembly includes a positioning screw, a turning handle, a fastening assembly, a bearing, a positioning plate and a guide rod, wherein the positioning screw is threadedly connected in the middle of the base, a turning handle is provided at one end of the positioning screw, a fastening assembly is provided at the other end of the positioning screw, a bearing is provided at the connection between the positioning screw and the fastening assembly, a positioning plate is provided below the fastening assembly, and a guide rod is provided on one side of the positioning screw.

3. A cooling device for SMT double-track reflow soldering according to claim 2, characterized in that: The fastening assembly includes a fastening seat, a fastening spring, a limit slider and a limit slide rod, wherein the fastening seat is arranged at one end of the positioning screw, the positioning plate is located above the fastening seat and is provided with a fastening spring, the positioning plate is located on both sides of the fastening seat and is provided with limit sliders, and the limit slide rod slides in the middle of the limit slider.

4. A cooling device for SMT double-track reflow soldering according to claim 2, characterized in that: A fastening pad is arranged below the positioning plate, and a support rod is arranged around the surface of the turning handle.

5. The SMT dual-track reflow cooling device according to claim 1, characterized in that: The transverse movement assembly includes a transverse movement seat, a transverse movement screw, a turntable, a square slider, a connecting block and a support plate, wherein the transverse movement seat is arranged at one end above the base, a transverse movement screw is arranged inside the transverse movement seat, a turntable is arranged at one end of the transverse movement screw, a square slider is threadedly connected to the surface of the transverse movement screw, a connecting block is arranged at one end of the square slider, and a support plate is arranged at one end of the connecting block.

6. A cooling device for SMT double-track reflow soldering according to claim 5, characterized in that: A rotating rod is arranged on one side of the rotating disk, and a stabilizing sliding rod is slidably arranged in the middle of the connecting block.

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