Temperature transmitter circuit board solder paste printing equipment

Abstract

The utility model discloses solder paste printing equipment for a circuit board of a temperature transmitter, relates to the field of solder paste printing, and aims to solve the problems that when the circuit board of the conventional temperature transmitter is printed through solder paste, the circuit board is positioned at the bottom of a steel plate, so that the position of the circuit board is possibly inclined due to errors, and the solder paste printing has errors. According to the technical scheme, the printing device comprises a base, a mounting rail is arranged above the base, a conveying belt is arranged in the mounting rail, a printing frame is arranged above the conveying belt, a printing mechanism is arranged in the printing frame and used for printing a circuit board, and a fixing mechanism is arranged at the bottom of the printing frame. And the fixing mechanism is used for fixing the circuit board. When the circuit board is printed, the circuit board is located on the bottom plate, the first sensor detects the circuit board, the second electric push rod pushes the limiting block to limit the circuit board, the second sensor detects the circuit board, and the conveying belt stops operating, so that printing is facilitated.

Description

Technical Field

[0001] The utility model relates to the field of solder paste printing, in particular to solder paste printing equipment for a temperature transmitter circuit board. Background Art

[0002] The main function of a temperature transmitter is to convert the temperature of an object or environment into an electrical signal or other readable form for measurement, monitoring or control. During the production of the control circuit board of the temperature transmitter, tin needs to be printed on the solder joints of the circuit board through a solder paste printer. Printing solder paste on the circuit board and then connecting the electronic parts to the circuit board through a reflow furnace is the most commonly used method in today's electronics manufacturing industry. Printing solder paste is a bit like painting on a wall, but in order to more accurately apply the solder paste to a certain position and control the amount of solder paste, a more precise special steel plate must be used to control the printing of solder paste.

[0003] When printing solder paste on an existing circuit board, since the circuit board is located at the bottom of a steel plate, the circuit board may be tilted and the solder paste printing may be inaccurate. Utility Model Content

[0004] The utility model provides a temperature transmitter circuit board solder paste printing device, which solves the existing problems.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A temperature transmitter circuit board solder paste printing device comprises a base, a mounting rail is arranged above the base, a conveyor belt is arranged inside the mounting rail, the conveyor belt is used to convey the circuit board, a printing frame is arranged above the conveyor belt, a printing mechanism is arranged inside the printing frame, the printing mechanism is used to print the circuit board, and a fixing mechanism is arranged at the bottom of the printing frame, the fixing mechanism is used to fix the circuit board.

[0007] Preferably, a mounting bar is provided on the base, and the mounting rail is provided on the mounting bar.

[0008] Preferably, a mounting seat is provided inside the mounting bar, and the fixing mechanism is provided on the mounting seat.

[0009] Preferably, an auxiliary plate is provided on one side of the mounting rail, and a receiving plate is provided on one side of the mounting bar.

[0010] Preferably, an electric telescopic rod is provided on one side of the base, a connecting piece is provided on the electric telescopic rod, and the connecting piece is connected to the printing frame.

[0011] Preferably, a motor is provided on the outer side of the mounting rail, and the motor is connected to the conveyor belts on both sides.

[0012] Preferably, the printing mechanism includes a printing piece, an electric guide rail is arranged on the top of the printing frame, a first electric push rod is arranged in the electric guide rail, and the first electric push rod is connected to the printing piece.

[0013] Preferably, a printing plate is provided at the bottom of the printing frame.

[0014] Preferably, the fixing mechanism comprises a base plate, a second electric push rod is arranged on a side of the base plate, and a limiting block is arranged on the second electric push rod.

[0015] Preferably, a first sensor is arranged on the bottom plate, and a second sensor is arranged on the limit block.

[0016] The beneficial effects of the utility model are:

[0017] 1. The auxiliary plate of the equipment is used to assist the placement of circuit boards, the receiving plate is used to collect the printed circuit boards, and the motor is connected to the conveyor belts on both sides, that is, the two conveyor belts are driven to rotate, that is, the circuit boards are conveyed through the conveyor belts.

[0018] 2. When the circuit board is printed, it is on the bottom plate. The first sensor detects the circuit board, and the second electric push rod pushes the limit block to limit it. The second sensor detects the circuit board and the conveyor belt stops operating, making it easier to print.

[0019] 3. The equipment drives the printing frame to move up and down through the electric telescopic rod, so that the printing plate is placed on the circuit board, and the printing piece is adjusted through the electric guide rail and the first electric push rod to perform printing. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0021] Figure 2 It is a schematic diagram of the base structure of the utility model.

[0022] Figure 3 It is a schematic diagram of the transmission structure of the utility model.

[0023] Figure 4 This is a schematic diagram of the limit block structure of the utility model.

[0024] Figure 5 This is a schematic diagram of the printing frame structure of the utility model.

[0025] Numbers in the figure: 1. base; 11. mounting bar; 12. electric telescopic rod; 13. mounting seat; 14. connector; 2. mounting rail; 21. conveyor belt; 22. auxiliary plate; 23. motor; 24. receiving plate; 3. bottom plate; 31. first sensor; 32. second electric push rod; 33. limit block; 34. second sensor; 4. printing frame; 41. printing plate; 42. printing part; 43. first electric push rod; 44. electric guide rail. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0027] Reference Figure 1-Figure 5 A temperature transmitter circuit board solder paste printing device includes a base 1, which is the bottom structure of the device and is used to support the overall structure. A mounting rail 2 is arranged above the base 1, and a conveyor belt 21 is arranged inside the mounting rail 2. The conveyor belt 21 is used to convey the circuit board. The mounting rail 2 is an installation structure, that is, it is used to install the conveyor belt 21. A mounting bar 11 is arranged on the base 1, and the mounting bar 11 is used to install the mounting rail 2. A motor 23 is arranged on the outside of the mounting rail 2, and the motor 23 connects the conveyor belts 21 on both sides, that is, drives the two conveyor belts 21 to rotate. An auxiliary plate 22 is arranged on one side of the mounting rail 2, and the auxiliary plate 22 is used to assist the placement of the circuit board. A receiving plate 24 is arranged on one side of the mounting bar 11, and the receiving plate 24 is used to collect the printed circuit boards.

[0028] A printing frame 4 is arranged above the conveyor belt 21, an electric telescopic rod 12 is arranged on one side of the base 1, a connecting member 14 is arranged on the electric telescopic rod 12, the connecting member 14 is connected to the printing frame 4, that is, the printing frame 4 is driven to move up and down by the electric telescopic rod 12, so as to perform printing, a printing mechanism is arranged inside the printing frame 4, the printing mechanism includes a printing member 42, the printing member 42 is used to print the circuit board, an electric guide rail 44 is arranged on the top of the printing frame 4, a first electric push rod 43 is arranged in the electric guide rail 44, the first electric push rod 43 is connected to the printing member 42, a printing plate 41 is arranged at the bottom of the printing frame 4, that is, the printing plate 41 is placed on the circuit board by the electric telescopic rod 12, the printing member 42 is adjusted by the electric guide rail 44 and the first electric push rod 43, so as to perform printing.

[0029] A fixing mechanism is provided at the bottom of the printing frame 4, and the fixing mechanism is used to fix the circuit board. A mounting seat 13 is provided inside the mounting bar 11, and the mounting seat 13 is used to install the fixing mechanism. The fixing mechanism includes a base plate 3, that is, it is on the base plate 3 when the circuit board is printed. A second electric push rod 32 is provided on the side of the base plate 3, and a limiting block 33 is provided on the second electric push rod 32, that is, the limiting block 33 is pushed by the second electric push rod 32, and the limiting block 33 is used to limit the circuit board to avoid problems with the printing position. A first sensor 31 is provided on the base plate 3, and a second sensor 34 is provided on the limiting block 33. When the first sensor 31 detects the circuit board, the second electric push rod 32 pushes the limiting block 33 to limit it. When the second sensor 34 detects the circuit board, the conveyor belt 21 stops operating, thereby facilitating printing.

[0030] Working principle: When the equipment is in use, the circuit board is placed in the conveyor belt 21 inside the mounting rail 2 at the auxiliary plate 22, and the motor 23 drives the two conveyor belts 21 to rotate. The circuit board moves to the bottom plate 3 through the conveyor belt 21, and the first sensor 31 detects the circuit board. The second electric push rod 32 pushes the limit block 33 to limit it. The second sensor 34 detects the circuit board, and the conveyor belt 21 stops operating. The printing frame 4 is driven up and down by the electric telescopic rod 12 so that the printing plate 41 is on the circuit board. The printed part 42 is adjusted by the electric guide rail 44 and the first electric push rod 43 to perform printing. After printing is completed, the limit block 33 is driven to fall by the second electric push rod 32, and the conveyor belt 21 continues to operate so that the circuit board finally falls to the receiving plate 24.

[0031] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A temperature transmitter circuit board solder paste printing device, comprising a base (1), characterized in that: A mounting rail (2) is arranged above the base (1), a conveyor belt (21) is arranged inside the mounting rail (2), the conveyor belt (21) is used to convey circuit boards, a printing frame (4) is arranged above the conveyor belt (21), a printing mechanism is arranged inside the printing frame (4), the printing mechanism is used to print circuit boards, and a fixing mechanism is arranged at the bottom of the printing frame (4), the fixing mechanism is used to fix the circuit boards.

2. The temperature transmitter circuit board solder paste printing device according to claim 1, characterized in that: The base (1) is provided with a mounting bar (11), and the mounting rail (2) is provided on the mounting bar (11).

3. The temperature transmitter circuit board solder paste printing device according to claim 2, characterized in that: A mounting seat (13) is arranged inside the mounting strip (11), and the fixing mechanism is arranged on the mounting seat (13).

4. The solder paste printing device for a temperature transmitter circuit board according to claim 2, characterized in that: An auxiliary plate (22) is provided on one side of the mounting rail (2), and a receiving plate (24) is provided on one side of the mounting strip (11).

5. The solder paste printing device for a temperature transmitter circuit board according to claim 1, characterized in that: An electric telescopic rod (12) is provided on one side of the base (1), a connecting piece (14) is provided on the electric telescopic rod (12), and the connecting piece (14) is connected to the printing frame (4).

6. The solder paste printing device for a temperature transmitter circuit board according to claim 1, characterized in that: A motor (23) is arranged on the outside of the mounting rail (2), and the motor (23) is connected to the conveyor belts (21) on both sides.

7. The temperature transmitter circuit board solder paste printing device according to claim 1, characterized in that: The printing mechanism comprises a printing piece (42); an electric guide rail (44) is arranged on the top of the printing frame (4); a first electric push rod (43) is arranged in the electric guide rail (44); and the first electric push rod (43) is connected to the printing piece (42).

8. The temperature transmitter circuit board solder paste printing device according to claim 1, characterized in that: A printing plate (41) is arranged at the bottom of the printing frame (4).

9. The solder paste printing device for a temperature transmitter circuit board according to claim 1, characterized in that: The fixing mechanism comprises a bottom plate (3), a second electric push rod (32) is arranged on the side of the bottom plate (3), and a limiting block (33) is arranged on the second electric push rod (32).

10. The solder paste printing device for a temperature transmitter circuit board according to claim 9, characterized in that: The bottom plate (3) is provided with a first sensor (31), and the limit block (33) is provided with a second sensor (34).

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