Tray positioning mechanism and PCB board testing equipment

Abstract

The utility model discloses a tray positioning mechanism and PCB board testing equipment, the tray positioning mechanism includes a base, a material cage and a transfer module, which is suitable for positioning and loading and unloading trays placed in the material cage; a guide rail is installed on the base; multiple trays are placed in the material cage, and the trays are provided with positioning grooves; the transfer module includes a transfer cylinder, a fork frame and a slider, the fork frame is installed on the base, the fork frame is connected to the transfer cylinder, the slider is installed under the fork frame and connected to the guide rail; the pressing module includes a pressing plate and a pressing cylinder, the pressing cylinder is installed on the base, and the pressing plate is connected to the output end of the pressing cylinder. It can automatically position the tray, automatically change the tray for loading and unloading, replace manual operation, perform precise positioning, ensure product position accuracy, improve detection efficiency, and reduce labor costs.

Description

Technical Field

[0001] The utility model relates to the technical field of PCB board testing equipment, in particular to a Tray positioning mechanism and PCB board testing equipment. Background Art

[0002] When testing PCBs (Printed Circuit Boards), multiple products to be tested are usually placed on a tray. Tray positioning and loading and unloading are done manually, and the tray cannot be changed and loaded and unloaded automatically. This results in high labor costs, inaccurate positioning, and low efficiency. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a tray positioning mechanism, which can realize automatic positioning of the tray, automatic tray changing and loading and unloading, and improve detection efficiency.

[0004] On the one hand, an embodiment of the utility model provides a tray positioning mechanism, including a base, a transfer module and a clamping module, which is suitable for positioning and loading and unloading a tray placed in a material cage; a guide rail is installed on the base; multiple trays are placed in the material cage, and the trays are provided with positioning grooves; the transfer module includes a transfer cylinder, a fork frame and a slider, the fork frame is installed on the base, the fork frame is connected to the transfer cylinder, and the slider is installed under the fork frame and connected to the guide rail; the clamping module includes a pressure plate and a downward pressure cylinder, the downward pressure cylinder is installed on the base, and the pressure plate is connected to the output end of the downward pressure cylinder.

[0005] According to some embodiments of the present utility model, the tray is provided with a positioning groove, and two positioning holes are provided in the positioning groove, and the two positioning holes are respectively located at two ends of the positioning groove.

[0006] According to some embodiments of the utility model, the pressure plate is provided with two positioning pins, and the diameter of the positioning pins is matched with the diameter of the positioning hole.

[0007] According to some embodiments of the present invention, the transfer module further includes a first buffer rod and a second buffer rod, and the first buffer rod and the second buffer rod are respectively located at two ends of the base.

[0008] According to some embodiments of the present utility model, the fork frame is provided with an anti-collision block, and the anti-collision block abuts against the first buffer rod or the second buffer rod.

[0009] According to some embodiments of the present invention, the pressing module further includes a push-pull plate, and the push-pull plate is located on both sides of the pressing plate.

[0010] According to some embodiments of the utility model, a support plate is provided in the middle of the base, a roller is installed on the upper end of the support plate, and the fork frame is mounted on the roller.

[0011] According to some embodiments of the present invention, an in-place sensor is provided on the base, and the in-place sensor is used to detect whether the Tray has moved to a designated position.

[0012] According to some embodiments of the utility model, a tray sensor is provided on one side of the base, and the tray sensor is used to detect whether a tray is placed in the material cage.

[0013] On the other hand, an embodiment of the present invention provides a PCB board testing device, including the above-mentioned Tray plate positioning mechanism.

[0014] The utility model has at least the following beneficial effects:

[0015] The tray positioning mechanism includes a base, a transfer module and a clamping module. A guide rail is installed on the base. The transfer module includes a transfer cylinder, a fork frame and a slider. The clamping module includes a pressure plate and a downward pressure cylinder. The transfer cylinder drives the fork frame to move forward and insert into the bottom of the tray to drag the tray out of the material cage. After the tray moves into position along the guide rail, the downward pressure cylinder drives the pressure plate downward to position and clamp the tray. After taking and placing materials from the tray, the tray is pushed into the material cage. The material cage descends to the height of one tray, repeatedly moves the tray and loads and unloads materials. After sensing that there is no tray, the material cage automatically moves to discharge materials, and the next material cage repeats the steps. It can automatically position the tray, automatically change trays and load and unload materials, replace manual operations, perform precise positioning, ensure product position accuracy, improve detection efficiency, and reduce labor costs.

[0016] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0018] Figure 1 This is a structural schematic diagram of a tray positioning mechanism according to an embodiment of the utility model;

[0019] Figure 2 for Figure 1The schematic diagram of the structure of the base and the transfer module of the tray positioning mechanism is shown;

[0020] Figure 3 for Figure 2 A schematic structural diagram of the base and the transfer module of the tray positioning mechanism from another perspective is shown;

[0021] Figure 4 for Figure 2 The structural schematic diagram of the pressing module of the transfer module of the tray positioning mechanism is shown;

[0022] Figure 5 for Figure 1 A schematic diagram of the structure of the tray of the material cage of the tray positioning mechanism shown;

[0023] Figure 6 for Figure 1 The structure schematic diagram of the tray positioning mechanism when positioning the tray is shown.

[0024] Reference numerals:

[0025] Base 100, guide rail 110, support plate 120, roller 121, in-position sensor 130, tray sensor 140;

[0026] The transfer module 200, the transfer cylinder 210, the fork frame 220, the anti-collision block 221, the slider 230, the first buffer rod 240, and the second buffer rod 250;

[0027] The clamping module 300, the pressing plate 310, the positioning pin 311, the pressing cylinder 320, and the push-pull plate 330;

[0028] Cage 400 , tray 410 , positioning groove 411 , positioning hole 412 , cover plate 420 , and handle 421 . DETAILED DESCRIPTION

[0029] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0030] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0031] In the description of the present utility model, "several" means one or more, "multiple" means more than two, greater than, less than, and exceeding are understood as not including the number itself, and "above", "below", and "within" are understood as including the number itself. If there is a description of "first", "second", etc., it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0032] In the description of the present utility model, unless otherwise clearly defined, words such as “set,” “install,” “connect,” and “connected” should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above words in the present utility model based on the specific content of the technical solution.

[0033] The technical solution of the utility model is described in detail below through the accompanying drawings and specific embodiments:

[0034] Please refer to Figures 1 to 3 The present embodiment discloses a tray positioning mechanism, including a base 100, a transfer module 200 and a clamping module 300, which is suitable for positioning and loading and unloading a tray 410 placed in a material cage 400; a guide rail 110 is installed on the base 100; the transfer module 200 includes a transfer cylinder 210, a fork frame 220 and a slider 230, the fork frame 220 is installed on the base 100, the fork frame 220 is connected to the transfer cylinder 210, and the slider 230 is installed under the fork frame 220 and connected to the guide rail 110; the clamping module 300 includes a pressing plate 310 and a pressing cylinder 320, the pressing cylinder 320 is installed on the base 100, and the pressing plate 310 is connected to the output end of the pressing cylinder 320. The transfer cylinder 210 drives the fork frame 220 to move forward and insert into the bottom of the Tray 410, and drag the Tray 410 out of the cage 400; after the Tray 410 moves into position along the guide rail 110, the pressing cylinder 320 drives the pressing plate 310 to press down, positioning and pressing the Tray 410; after taking and placing materials from the Tray 410, the Tray 410 is pushed into the cage 400; the cage 400 drops to the height of a Tray 410, repeatedly moves the Tray 410 and loads and unloads materials, and after sensing that there is no Tray 410, the cage 400 automatically moves to unload materials, and repeats the steps for the next cage 400. It can automatically position the Tray 410, automatically change trays and load and unload materials, improve detection efficiency, and reduce labor costs.

[0035] Please refer to Figure 1 and Figure 5The tray 410 is provided with a positioning groove 411, and two positioning holes 412 are provided in the positioning groove 411. The two positioning holes 412 are respectively located at both ends of the positioning groove 411. Positioning is performed through the positioning holes of the tray to ensure the position accuracy of the product.

[0036] Please refer to Figure 4 and Figure 5 The pressing plate 310 is provided with two positioning pins 311, and the diameter of the positioning pins 311 matches the diameter of the positioning hole 412. After the tray 410 is moved to the right position, the pressing cylinder 320 drives the pressing plate 310 to press down, and the two positioning pins 311 of the pressing plate 310 are respectively aligned with the two positioning holes 412 of the tray 410, so as to position and press the tray 410.

[0037] Please refer to Figure 3 The transfer module 200 further includes a first buffer rod 240 and a second buffer rod 250, which are respectively located at two ends of the base 100. The first buffer rod 240 and the second buffer rod 250 are used to achieve a slow deceleration during the movement of the transfer module 200, thereby stopping smoothly.

[0038] Please refer to Figure 3 The fork frame 220 is provided with an anti-collision block 221, and the anti-collision block 221 abuts against the first buffer rod 240 or the second buffer rod 250; to avoid collision and noise during the movement of the transfer module 200, and to improve the service life of the transfer module 200.

[0039] Please refer to Figure 4 The pressing module 300 also includes a push-pull plate 330, which is located on both sides of the pressing plate 310. After the material is taken out from the tray 410, the transfer cylinder 210 drives the fork frame 220 to move the tray 410 forward, and the push-pull plate 330 is used to push the tray 410 into the material cage 400.

[0040] Please refer to Figure 2 A support plate 120 is provided in the middle of the base 100, a roller 121 is installed on the upper end of the support plate 120, and the fork frame 220 is mounted on the roller 121. The roller 121 is provided to reduce the friction when the fork frame 220 moves.

[0041] Please refer to Figure 2 The base 100 is provided with an in-position sensor 130, which is used to detect whether the Tray has moved to the designated position. After the in-position sensor 130 senses that the Tray 410 has moved to the designated position, the downward pressure cylinder 320 drives the pressing plate 310 to press down, and the two positioning pins 311 of the pressing plate 310 are respectively aligned with the two positioning holes 412 of the Tray 410, so as to position and press the Tray 410.

[0042] Please refer to Figure 2 A tray sensor 140 is provided on one side of the base 100, and the tray sensor 140 is used to detect whether a tray 410 is placed in the material cage 400. After the tray sensor 140 senses that the tray 410 is in place, the transfer cylinder 210 drives the fork frame 220 to move forward and insert into the bottom of the tray 410, and the tray 410 is dragged out of the material cage 400 and moved along the guide rail 110.

[0043] Please refer to Figure 6 In some embodiments, a cover plate 420 is disposed on the top of the cage 400 , and a pair of handles 421 are disposed on the cover plate 420 to facilitate carrying and lifting the cage 400 .

[0044] This embodiment also discloses a PCB board testing device, including the above-mentioned Tray positioning mechanism.

[0045] When testing, please refer to Figure 1 , move the material cage 400 to the front of the base 100, and after the tray sensor 140 senses that the tray 410 is in place, the transfer cylinder 210 drives the fork frame 220 to move forward and insert into the bottom of the tray 410, and the tray 410 is pulled out of the material cage 400 and moved along the guide rail 110. Please refer to Figure 6 After the in-position sensor 130 senses that the Tray 410 has moved into position, the downward pressure cylinder 320 drives the pressing plate 310 to press down, and the two positioning pins 311 of the pressing plate 310 are respectively aligned with the two positioning holes 412 of the Tray 410 to position and press the Tray 410. After the robot takes and releases the material, the Tray 410 is pushed into the material cage 400; the material cage 400 drops to the height of one Tray 410, and starts moving, positioning, and loading and unloading again; after sensing that there is no Tray 410, the material cage 400 automatically moves to discharge the material, waiting for the next material cage 400 to repeat the steps. It can automatically position the Tray 410, automatically change the tray and load and unload materials, replace manual operation, perform precise positioning, ensure product position accuracy, improve detection efficiency, and reduce labor costs.

[0046] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A tray positioning mechanism, suitable for positioning and loading and unloading a tray (410) placed in a material cage (400), characterized in that: include: A base (100), wherein a guide rail (110) is mounted on the base (100); A transfer module (200), the transfer module (200) comprising a transfer cylinder (210), a fork frame (220) and a slider (230), the fork frame (220) being mounted on the base (100), the fork frame (220) being connected to the transfer cylinder (210), and the slider (230) being mounted below the fork frame (220) and connected to the guide rail (110); A pressing module (300), the pressing module (300) comprising a pressing plate (310) and a pressing cylinder (320), the pressing cylinder (320) being mounted on the base (100), the pressing plate (310) being connected to an output end of the pressing cylinder (320).

2. The tray positioning mechanism according to claim 1, characterized in that: The tray (410) is provided with a positioning groove (411), and two positioning holes (412) are provided in the positioning groove (411). The two positioning holes (412) are respectively located at two ends of the positioning groove (411).

3. The tray positioning mechanism according to claim 2, characterized in that: The pressing plate (310) is provided with two positioning pins (311), and the diameter of the positioning pins (311) is matched to the diameter of the positioning hole (412).

4. The tray positioning mechanism according to claim 1, characterized in that: The transfer module (200) further comprises a first buffer rod (240) and a second buffer rod (250), wherein the first buffer rod (240) and the second buffer rod (250) are respectively located at two ends of the base (100).

5. The tray positioning mechanism according to claim 4, characterized in that: The fork frame (220) is provided with an anti-collision block (221), and the anti-collision block (221) abuts against the first buffer rod (240) or the second buffer rod (250).

6. The tray positioning mechanism according to claim 1, characterized in that: The pressing module (300) further comprises a push-pull plate (330), wherein the push-pull plate (330) is located on both sides of the pressing plate (310).

7. The tray positioning mechanism according to claim 1, characterized in that: A support plate (120) is provided in the middle of the base (100), a roller (121) is installed on the upper end of the support plate (120), and the fork frame (220) is mounted on the roller (121).

8. The tray positioning mechanism according to claim 1, characterized in that: The base (100) is provided with an in-position sensor (130), and the in-position sensor (130) is used to detect whether the tray has moved to a designated position.

9. The tray positioning mechanism according to claim 1, characterized in that: A tray sensor (140) is provided on one side of the base (100), and the tray sensor (140) is used to detect whether a tray (410) is placed in the material cage (400).

10. A PCB board testing device, characterized in that: It comprises the tray positioning mechanism as described in any one of claims 1 to 9.

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