Novel 3D printer circuit board tester

Abstract

The utility model provides a novel 3D printer circuit board tester. The novel 3D printer circuit board tester comprises a test board, a control box, a display screen, a first fixing frame, an electric telescopic rod, a pushable supporting fixing frame structure and a liftable contact detection frame structure. According to the technical scheme of the utility model, the first fixing frame, the electric telescopic rod, the lifting seat, the second fixing frame, the protruding pipes, the springs and the contact rods are matched with one another, so that the corresponding protruding pipes can be pushed to move upwards after the bottom ends of the contact rods are in contact with the contacts at the upper ends of the circuit boards during the use process. And then the protruding pipes are communicated with a central processing unit arranged in the control box through external wires, so that testing work can be conveniently carried out on the corresponding circuit board lines. Through the arrangement of a fixing plate, a sliding frame, a supporting plate, a placement groove and a spacing pipe, the sliding frame can be pushed to move in the use process, and placement and fixing work of circuit boards of different specifications can be conveniently carried out in the test process.

Description

Technical Field

[0001] The utility model belongs to the technical field of circuit board testing equipment, and particularly relates to a new type of circuit board tester for 3D printers. Background Art

[0002] With the gradual maturity of 3D printing technology, 3D printers, especially desktop 3D printers, have become more and more popular. Among them, the main control circuit board is one of the main working components of desktop 3D printers. The state of the circuit board will directly affect the use of desktop 3D printers. Therefore, the stability of the main control circuit board during operation has a great impact on the service life of 3D printers and the quality of printed models. Existing circuit board testers include circuit board testers, chassis, clamping systems, presses, cylinders, needle beds, press control boards, test systems, mother boards, switch boards, system boards, human-machine interfaces, computer hosts, display screens, printers, power supplies, and fans. Such circuit board testers are inconvenient for conducting power-on detection on the welding points on the surface of the circuit board during use and cannot clamp and fix circuit boards of different specifications during testing. Summary of the Utility Model

[0003] In order to solve the above technical problems, the utility model provides a new type of circuit board tester for 3D printers, which is provided with a corresponding convex detection tube structure during use to facilitate the purpose of power-on testing of the contacts on the surface of the circuit board during testing and improve the circuit board fixing mechanism during use to facilitate the fixing of circuit boards of different specifications.

[0004] A new type of circuit board tester for 3D printers includes a test bench. A control box is bolted and fixed at the middle position on the left side of the test bench; a display screen is arranged at the middle position on the upper end of the control box; a first fixing frame is bolted and fixed on the upper end of the test bench; electric telescopic rods respectively penetrate through the left and right ends inside the first fixing frame and are bolted and fixed. It is characterized in that a pushable support and fixing frame structure is arranged inside the middle position on the upper end of the test bench; a liftable contact detection frame structure is arranged at the bottom end of the electric telescopic rod.

[0005] Preferably, the pushable support and fixing frame structure includes a fixing plate. Sliding frames are respectively sleeved on the outer walls of the left and right ends of the fixing plate; a support plate is bolted and fixed at the middle position on the upper end of the fixing plate; placing grooves are respectively opened at the upper ends of the sliding frames; spacer tubes are respectively bolted and fixed at the middle positions on the outer walls of the sliding frames.

[0006] Preferably, the liftable contact detection frame structure includes a lift seat, and the bottom end of the lift seat is bolted to the bottom end of the second fixed frame; inside the bottom end of the lift seat, a raised tube runs through from left to right in sequence; a spring is fixed inside the bottom end of the raised tube; the bottom end of the spring is fixed at the middle position inside the upper end of the contact rod.

[0007] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0008] 1. In the present utility model, the test bench, the first fixed frame, the electric telescopic rod, the lift seat, the second fixed frame, the raised tube, the spring and the contact rod are arranged in cooperation, which is beneficial to push the corresponding raised tube to move upward by the bottom end of the contact rod contacting the upper contact of the circuit board during use, and then use an external wire to connect the raised tube to the central processor arranged inside the control box, facilitating the test work on the corresponding circuit board line.

[0009] 2. In the present utility model, the fixed plate, the sliding frame, the support plate, the placement groove and the spacer tube are arranged, which is beneficial to move the sliding frame during use, facilitating the placement and fixation of circuit boards of different specifications during the test. Description of the Drawings

[0010] Figure 1 is the structural schematic diagram of the present utility model.

[0011] Figure 2 is the structural schematic diagram of the pushable support and fixation frame structure of the present utility model.

[0012] Figure 3 is the structural schematic diagram of the liftable contact detection frame structure of the present utility model.

[0013] In the figure:

[0014] 1. Test bench; 2. Control box; 3. Display screen; 4. First fixed frame; 5. Electric telescopic rod; 6. Pushable support and fixation frame structure; 61. Fixed plate; 62. Sliding frame; 63. Support plate; 64. Placement groove; 65. Spacer tube; 7. Liftable contact detection frame structure; 71. Lift seat; 72. Second fixed frame; 73. Raised tube; 74. Spring; 75. Contact rod. Detailed Embodiment

[0015] The present utility model will be specifically described below with reference to the drawings. As shown in Figure 1 and Figure 2As shown in the figure, a new type of 3D printer circuit board tester includes a test bench 1, a control box 2, a display screen 3, a first fixing frame 4, an electric telescopic rod 5, a pushable support fixing frame structure 6 and a liftable contact detection frame structure 7. A control box 2 is bolted and fixed at the middle position on the left side of the test bench 1; a display screen 3 is arranged at the middle position on the upper end of the control box 2; a first fixing frame 4 is bolted and fixed on the upper end of the test bench 1; electric telescopic rods 5 penetrate through the left and right ends inside the first fixing frame 4 respectively and are bolted and fixed; a pushable support fixing frame structure 6 is arranged inside the middle position on the upper end of the test bench 1; a liftable contact detection frame structure 7 is arranged at the bottom end of the electric telescopic rod 5; the pushable support fixing frame structure 6 includes a fixing plate 61, a sliding frame 62, a support plate 63, a placement groove 64 and a spacer tube 65. The outer walls of the left and right ends of the fixing plate 61 are respectively sleeved with the sliding frame 62 in a sliding manner; a support plate 63 is bolted and fixed at the middle position on the upper end of the fixing plate 61; placement grooves 64 are respectively opened at the upper ends of the sliding frames 62; spacer tubes 65 are respectively bolted and fixed at the middle positions on the outer walls of the sliding frames 62. When in use, the test bench 1 is fixed at a suitable position, and an external power supply is connected by using an external wire. Then, the circuit board to be tested is placed on the upper end of the sliding frame 62, and both ends of the circuit board are respectively placed inside the placement grooves 64. When necessary, the sliding frame 62 is pushed to move, so as to achieve the purpose of placing and testing circuit boards of different specifications.

[0016] In this implementation scheme, in combination with the attached Figure 3 As shown in the figure, the liftable contact detection frame structure 7 includes a lifting seat 71, a second fixing frame 72, a protruding tube 73, a spring 74 and a contact rod 75. The bottom end of the lifting seat 71 is bolted and fixed to the bottom end of the second fixing frame 72; the protruding tube 73 penetrates through the bottom end inside the lifting seat 71 in sequence from left to right; a spring 74 is fixed inside the bottom end of the protruding tube 73; the bottom end of the spring 74 is fixed at the middle position inside the upper end of the contact rod 75. After the circuit board is placed, the electric telescopic rod 5 is controlled to push the lifting seat 71 to move downward, and the bottom end of the contact rod 75 is made to contact the contact points arranged on the upper end of the circuit board. During the test, the upper end of the corresponding protruding tube 73 is connected to the central processor arranged inside the control box 2 by using an external wire, and then the purpose of circuit board testing is achieved.

[0017] In this implementation scheme, specifically, the first fixing frame 4 is made of an inverted U-shaped stainless steel frame; the test bench 1 is made of a stainless steel table with a groove opened at the middle position inside the upper end; a central processor is arranged inside the control box 2.

[0018] In this embodiment, specifically, the sliding frame 62 is made of a U-shaped stainless steel frame, and a silica gel pad is adhesively bonded to the bottom end of the placement groove 64 to facilitate the protection of the circuit board; the spacer tube 65 is made of a ceramic tube and is slidably sleeved on the outer walls of both ends of the fixing plate 61 respectively.

[0019] In this embodiment, specifically, both ends of the fixing plate 61 are bolted to the middle positions of the inner walls of the grooves formed in the upper end of the test bench 1; the sliding frames 62 are respectively arranged on the left and right sides inside the grooves formed in the upper end of the test bench 1.

[0020] In this embodiment, specifically, the contact rod 75 is made of a T-shaped stainless steel rod and a groove is formed in the middle position inside the upper end; the contact rod 75 sequentially penetrates through the inside of the second fixing frame 72 from left to right.

[0021] In this embodiment, specifically, the bottom ends of the electric telescopic rods 5 are respectively bolted to the left and right sides of the upper end of the lifting seat 71.

[0022] Working principle

[0023] In the present utility model, when in use, the test bench 1 is fixed at a suitable position, and an external power supply is connected by using an external wire. Then, the circuit board to be tested is placed on the upper end of the sliding frame 62, and both ends of the circuit board are respectively placed inside the placement groove 64. When necessary, the sliding frame 62 is pushed to move to facilitate the placement and testing of circuit boards of different specifications. After the circuit board is placed, the electric telescopic rod 5 is controlled to push the lifting seat 71 to move downward, and the bottom end of the contact rod 75 is brought into contact with the contact points arranged on the upper end of the circuit board. During the testing process, the upper end of the corresponding protruding tube 73 is connected to the central processor arranged inside the control box 2 by using an external wire, and then the purpose of circuit board testing is achieved.

[0024] Any technical solution using the technical solution of the present utility model, or any technical solution designed by those skilled in the art inspired by the technical solution of the present utility model and achieving the above technical effects shall fall within the protection scope of the present utility model.

Claims

1. A novel 3D printer circuit board tester, comprising a test bench (1), wherein a control box (2) is bolted to the middle position on the left side of the test bench (1); a display screen (3) is arranged at the middle position on the upper end of the control box (2); a first fixing frame (4) is bolted to the upper end of the test bench (1); electric telescopic rods (5) are respectively penetrated and bolted to the left and right ends of the first fixing frame (4); the characteristics are that: A pushable support fixing frame structure (6) is provided in the middle of the upper end of the test table (1) in the novel (3)D printer circuit board tester; and a liftable contact detection frame structure (7) is provided at the bottom end of the electric telescopic rod (5).

2. The novel 3D printer circuit board tester as claimed in claim 1, characterized in that: The pushable support fixing frame structure (6) comprises a fixing plate (61), and the outer walls at the left and right ends of the fixing plate (61) are respectively slidably sleeved with sliding frames (62); a supporting plate (63) is bolted to the middle position of the upper end of the fixing plate (61); a placement groove (64) is respectively opened at the upper end of the sliding frame (62); and a spacing tube (65) is bolted to the middle position of the outer wall of the sliding frame (62).

3. The novel 3D printer circuit board tester as claimed in claim 1, characterized in that: The liftable contact detection frame structure (7) comprises a lift seat (71), the bottom end of the lift seat (71) is bolted to the bottom end of the second fixing frame (72); the bottom end of the lift seat (71) is penetrated by protruding tubes (73) from left to right; the bottom end of the protruding tube (73) is fixed with a spring (74); the bottom end of the spring (74) is fixed to the middle position inside the upper end of the contact rod (75).

4. The novel 3D printer circuit board tester as claimed in claim 1, characterized in that: The two ends of the fixing plate (61) are respectively fixed by bolts to the middle position of the inner wall of the groove opened inside the upper end of the test bench (1); the sliding frame (62) is respectively arranged on the left and right sides of the groove opened inside the upper end of the test bench (1).

5. The novel 3D printer circuit board tester as claimed in claim 2, characterized in that: The bottom ends of the electric telescopic rod (5) are respectively bolted to the left and right sides of the upper end of the lifting seat (71).

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