Double-station test fixture

Abstract

The utility model relates to the technical field of test equipment, and discloses a double-station test fixture which comprises a bottom plate, the front end of the bottom plate is fixedly connected with a double-head hydraulic machine, the driving end of the double-head hydraulic machine is fixedly connected with a fixing sleeve, the inside of the fixing sleeve is rotatably connected with a rotating shaft, the front end of the rotating shaft is rotatably connected with a brush carrier, and the brush carrier is fixedly connected with the bottom plate. A limiting sleeve is fixedly connected to the front end of the brush frame, an inserting rod is slidably connected to the interior of the limiting sleeve, a scrubbing brush is fixedly connected to the rear end of the brush frame, a carrying plate is fixedly connected to the top end of the bottom plate, a support is fixedly connected to the top end of the bottom plate, and a limiting block is fixedly connected to the interior of the support; the front end of the support is fixedly connected with a downward pressing assembly. According to the automatic cleaning device, the scrubbing brush is driven by the brush frame to rotate, the bottom end of the scrubbing brush is attached to the top end surface of the carrier plate, the scrubbing brush is driven by the double-head hydraulic machine to slide left and right at the top end of the carrier plate, and therefore the effect of automatically cleaning the surface of the carrier plate is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to test equipment technical field especially relates to double position test fixture. BACKGROUND

[0002] Test fixture is a kind of in electronic, mechanical etc. Product production process, for realizing efficient, accurate product testing and specially designed and made tooling fixture. Through specific design and production, can accurately position and fix the product to be tested, then use and match the test circuit, probe etc. Component, according to the preset test procedure and parameter, to the performance index such as electrical performance, mechanical performance of product, such as automatic or semi-automatic detection, to judge whether the product is qualified quickly, improve test efficiency, guarantee product quality, reduce labor cost etc. Play a key role.

[0003] Double position test fixture is a kind of professional test equipment with two independent test stations. It integrates mechanical transmission, electrical control, signal detection and other systems, can test different or same products respectively, realizes alternate or synchronous test, effectively improves test efficiency. When running, according to the set test procedure and parameter, the performance index of product is accurately detected, is widely used in quality control link of various batch production electronic products, parts etc., greatly saves test time and guarantees the consistency and reliability of product quality.

[0004] The existing part double position test fixture needs artificial cleaning load plate surface in use, load plate surface has dirt, and will cause damage to the product to be tested, artificial cleaning will bring inconvenience to the work of staff, influence work efficiency, for this, double position test fixture is proposed to solve the above problems. UTILITY MODEL CONTENT

[0005] In order to make up for the above shortcomings, the utility model provides double position test fixture, aims at improving the problem that the existing technology needs artificial cleaning load plate surface.

[0006] In order to realize the above purpose, the utility model adopts the following technical scheme:

[0007] Double position test fixture, including bottom plate, the front end of the bottom plate is fixedly connected with double head hydraulic machine, the drive end of the double head hydraulic machine is fixedly connected with fixed sleeve, the inside rotationally connected with rotating shaft of fixed sleeve, the front end of rotating shaft is rotatably connected with brush holder, the front end of brush holder is fixedly connected with limit sleeve, the inside of limit sleeve is slidably connected with plug rod, the rear end of brush holder is fixedly connected with plate brush, the top of bottom plate is fixedly connected with load plate, the top of bottom plate is fixedly connected with support, the inside of support is fixedly connected with limit block, the front end of support is fixedly connected with lower pressure assembly;

[0008] As a further description of the above technical solutions:

[0009] The lower pressing assembly comprises two support plates, the front ends of the support plates are rotationally connected with rotating frames, the front ends of the rotating frames are rotationally connected with rotating blocks, the upper and lower ends of the rotating blocks are fixedly connected with fixed columns, the left and right ends of the rotating frames are rotationally connected with locking hooks, the proximal ends of the two rotating blocks are rotationally connected with gripping rods, the bottom end of the rotating frame is rotationally connected with a linkage frame, the bottom end of the linkage frame is rotationally connected with a guide column, and the bottom end of the guide column is fixedly connected with a pressing plate.

[0010] As a further description of the above technical solutions:

[0011] The top end of the insertion rod is provided with a stop block, and the inside of the limiting block is provided with a sliding groove.

[0012] As a further description of the above technical solutions:

[0013] The rear end of the support plate is fixedly connected to the front end of the support frame, and the outside of the guide column is slidingly connected to the inside of the support plate.

[0014] As a further description of the above technical solutions:

[0015] The outside of the pressing plate is slidingly connected to the inside of the support frame, and the inside of the pressing plate is provided with a plurality of holes.

[0016] As a further description of the above technical solutions:

[0017] The proximal ends of the two gripping rods are provided with clamping grooves, and the front end of the support plate is provided with a sliding sleeve.

[0018] As a further description of the above technical solutions:

[0019] The rear end of the insertion rod is slidingly connected to the front end of the brush holder, and the bottom end of the carrier plate is provided with a plurality of support columns.

[0020] As a further description of the above technical solutions:

[0021] The bottom end of the insertion rod is provided with a sliding block, and the proximal ends of the two rotating shafts are rotationally connected to the driving end of the double-head hydraulic machine.

[0022] The utility model has the following beneficial effects:

[0023] 1. The utility model discloses a rotating shaft rotates in the inside fixed cover and drives the brush holder to rotate, and the brush holder rotates and drives the plate brush to rotate, and the bottom end of the plate brush is pasted on the top end surface of the carrier plate through the rotation of the brush holder outside the rotating shaft, the fixed cover drives the rotating shaft to move left and right through the double -end hydraulic machine, the rotating shaft drives the brush holder and the plate brush to move left and right, and the plate brush slides left and right on the top end of the carrier plate simultaneously, thereby realize the effect of automatically cleaning the surface of the carrier plate.

[0024] 2. The utility model discloses rotate the handle and drive the rotary block to rotate in the front end of the rotary frame, and the locking hook is slidably connected outside the fixed column through the rotation of the locking hook, and the rotary frame and the locking hook fix the rotary block and the handle through the fixed column, and the staff is convenient to grip, thereby realizing the common movement mode or the individual movement mode of the quick switching guide column. DRAWINGS

[0025] Figure 1 It is the three -dimensional schematic view of double -station test fixture that the utility model proposes;

[0026] Figure 2 It is the structure schematic view of support of double -station test fixture that the utility model proposes;

[0027] Figure 3 It is the structure schematic view of support plate of double -station test fixture that the utility model proposes;

[0028] Figure 4 It is the structure schematic view of the compression plate of double -station test fixture that the utility model proposes.

[0029] Legend:

[0030] 1, bottom plate, 2, double -end hydraulic machine, 3, fixed cover, 4, rotating shaft, 5, brush holder, 6, limit cover, 7, plug rod, 8, plate brush, 9, limit block, 10, carrier plate, 11, support, 12, support plate, 13, rotary frame, 14, rotary block, 15, fixed column, 16, locking hook, 17, handle, 18, linkage frame, 19, guide column, 20, compression plate. DETAILED DESCRIPTION

[0031] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0032] Reference Figures 1 to 2The utility model provides a kind of embodiment: double-station test fixture, including bottom plate 1, bottom plate 1 is made of steel, with excellent deformation resistance and stability, can provide solid reliable foundation support for entire fixture, the front end of bottom plate 1 is fixedly connected with double-end hydraulic machine 2, double-end hydraulic machine 2 can provide sufficient power for subsequent components, ensure smooth operation, the driving end of double-end hydraulic machine 2 is fixedly connected with fixed sleeve 3, fixed sleeve 3 is made of wear-resistant alloy steel, inside smears with lubricating oil, rotating shaft 4 is rotatably connected in the inside of fixed sleeve 3, rotating shaft 4 is processed by high accuracy, rotates flexible and smooth, effectively reduces friction loss;

[0033] The front end of rotating shaft 4 is rotatably connected with brush holder 5, brush holder 5 is made of engineering plastics material, light and has good toughness, the front end of brush holder 5 is fixedly connected with limit sleeve 6, limit sleeve can limit the movement of relevant components to avoid excessive movement, limit sleeve 6 is slidably connected with plug rod 7, the surface of plug rod 7 is finely polished, to ensure that it slides freely in limit sleeve 6, the rear end of brush holder 5 is fixedly connected with plate brush 8, the bristles of plate brush 8 are made of high-quality nylon material, soft and wear-resistant, which can efficiently clean the stains and dust on the surface of subsequent components without scratching them, ensuring the flatness and smoothness of subsequent components;

[0034] The top end of bottom plate 1 is fixedly connected with carrier plate 10, carrier plate 10 is made of high-precision stainless steel plate, smooth and flat, providing a precise and stable plane for product placement, the top end of bottom plate 1 is fixedly connected with bracket 11, the structure of bracket 11 can provide stable support for the operation of relevant components. Limiting block 9 is fixedly connected inside bracket 11, and limiting block 9 cooperates with plug rod 7 to accurately guide and limit plate brush 8, allowing plate brush 8 to run stably along the predetermined trajectory when cleaning carrier plate 10, thereby thoroughly and evenly cleaning the surface of carrier plate 10, creating an ideal clean environment for subsequent product testing and effectively preventing test errors or product damage caused by dirty carrier plate 10.

[0035] Refer to Figures 1 to 3 The down-pressing assembly includes two support plates 12 made of durable stainless steel, providing stable and reliable support for the entire down-pressing assembly, ensuring that subsequent components do not shake during operation. The front end of support plate 12 is rotatably connected with rotating frame 13, which rotates flexibly and can smoothly change angle according to the application of external force, thereby driving the subsequent components connected to it to move accordingly, facilitating down-pressing operations. The front end of rotating frame 13 is rotatably connected with rotating block 14, which has good rotating performance and can accurately change its position under the drive of rotating frame 13, thereby creating conditions for the linkage of subsequent related components;

[0036] The upper and lower ends of the rotating block 14 are fixedly connected with fixed columns 15, which can play a role in connection and positioning. The left and right ends of the rotating frame 13 are rotatably connected with locking hooks 16, which can be flexibly rotated and accurately clamped outside the fixed column 15 when rotated to a specific position, thereby effectively fixing the rotating block 14 and ensuring that the relevant components remain stable in the fixed state to meet different working requirements. The proximal ends of the two rotating blocks 14 are rotatably connected with gripping rods 17, which facilitate the operation of the workers. The workers can easily transfer power by pushing the gripping rod 17, thereby driving the rotating frame 13 and other components to start the corresponding rotating action, and then causing the overall downward operation of the downward pressing assembly;

[0037] The bottom end of the rotating frame 13 is rotatably connected with a linkage frame 18, which can transmit and convert the rotating action of the rotating frame 13, coordinate the subsequent components connected thereto to move to the next step, and ensure the continuity of the downward pressing action. The bottom end of the linkage frame 18 is rotatably connected with a guide column 19, which can accurately move in the upward and downward directions under the driving of the linkage frame 18. The bottom end of the guide column 19 is fixedly connected with a pressing plate 20, which has a smooth surface and can stably contact the product when pressed, and apply appropriate pressure to the product under the driving of the guide column 19, thereby achieving clamping and fixing of the product and facilitating subsequent testing and other operations on the product.

[0038] Referring to Figures 2 to 4 The top end of the insertion rod 7 is provided with a stop block, which can effectively prevent the insertion rod 7 from being excessively inserted into the limiting block 9, thereby ensuring that the insertion rod 7 and the limiting block 9 are properly matched. The limiting block 9 has a sliding groove formed therein, and the inner wall of the sliding groove is finely polished to minimize friction when the insertion rod 7 slides therein, thereby ensuring smooth sliding of the insertion rod 7 in the limiting block 9 and enabling accurate and efficient completion of the guiding and limiting action of the plate brush 8. The rear end of the support plate 12 is fixedly connected to the front end of the support 11, and the connection position is fastened by high-strength bolts to ensure the stability of the connection and provide a reliable support foundation for the subsequent installation of many components, thereby ensuring the orderly development of the testing work. The outer surface of the guide column 19 is polished and coated with an appropriate amount of lubricating grease, which can easily and freely slide up and down in the support plate 12, and can maintain linearity when driving the pressing plate 20 to move, thereby making the pressure applied by the pressing plate 20 to the product more uniform and stable;

[0039] The outer sliding connection of the pressing plate 20 is connected to the inner part of the support 11, and the contact position of the pressing plate 20 and the support 11 is polished to ensure flatness and smoothness. The height can be accurately adjusted under the driving of the guide column 19 to effectively clamp and loosen the product and ensure that the product is in a stable state during testing. The inner part of the pressing plate 20 is provided with a plurality of holes, which can be inserted into the limiting rod according to the specific shape of different products, so as to realize secondary fixation of the product and further enhance the stability of the product during testing to prevent the product from changing position due to external slight vibration and affecting the accuracy of testing.

[0040] The front end of the support plate 12 is provided with a sliding sleeve which can be limited without affecting the guide column 19. The rear end of the insertion rod 7 is slidingly connected to the front end of the brush holder 5, so that the movement of the insertion rod 7 is more stable. The bottom end of the carrier plate 10 is provided with a plurality of support columns made of solid steel and having good bearing capacity, which can stably support the carrier plate 10 at a suitable height to provide a horizontal and stable platform for placing products and cleaning the surface of the brush 8, ensuring stable placement of the product. The bottom end of the insertion rod 7 is provided with a sliding block 6 which can make the insertion rod 7 slide more stably in the limiting block 9 without deviation. The proximal end of the two rotating shafts 4 is rotatably connected to the driving end of the double-head hydraulic machine 2. The connection structure of the rotating shaft 4 and the driving end of the double-head hydraulic machine 2 is designed precisely, which can not only ensure efficient power transmission from the double-head hydraulic machine 2 to the rotating shaft 4, but also enable the rotating shaft 4 to rotate smoothly in the fixed sleeve 3.

[0041] Working principle: before the staff needs to test the product, rotate the rotating shaft 4, which rotates in the fixed sleeve 3 while driving the brush holder 5 to rotate. When the brush holder 5 is rotated to the appropriate position, rotate the brush holder 5, which rotates outside the rotating shaft 4 while driving the limiting sleeve 6 and the brush 8 to rotate. When the limiting sleeve 6 drives the insertion rod 7 to rotate to the appropriate position, push the insertion rod 7, which slides in the limiting sleeve 6 while inserting into the limiting block 9 to guide and limit the brush 8. At this time, start the double-head hydraulic machine 2 to drive the fixed sleeve 3 and the rotating shaft 4 to move left and right, while the rotating shaft 4 drives the brush holder 5 to move left and right, and the brush holder 5 drives the brush 8 to slide on the top end of the carrier plate 10 to clean the surface of the carrier plate 10.

[0042] When the surface of the carrier plate 10 is cleaned, the product is placed on the top end of the carrier plate 10, at this time the gripping rod 17 is pushed, the rotating frame 13 is rotated in the inside of the support plate 12 while the guide column 19 is moved downward, the guide column 19 moves the pressing plate 20 downward to clamp the product, at this time the limiting rod is inserted into the hole in the inside of the pressing plate 20 according to the shape of the product, the product is fixed again, which is convenient for testing.

[0043] When the staff needs to change the movement mode of the guide column 19 from common movement to individual movement, the gripping rod 17 is rotated to the appropriate position, then the rotating block 14 is rotated, the rotating block 14 rotates the gripping rod 17 while the rotating frame 13 rotates, when the gripping rod 17 is rotated to be vertical, the locking hook 16 is rotated to be clamped on the outside of the fixed column 15, the fixing of the rotating block 14 is completed, and the change of the movement mode of the guide column is completed.

[0044] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. that is made within the spirit and principles of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A dual-station testing fixture, comprising a base plate (1), characterized in that: A double-headed hydraulic press (2) is fixedly connected to the front end of the base plate (1). A fixed sleeve (3) is fixedly connected to the drive end of the double-headed hydraulic press (2). A rotating shaft (4) is rotatably connected inside the fixed sleeve (3). A brush holder (5) is rotatably connected to the front end of the rotating shaft (4). A limiting sleeve (6) is fixedly connected to the front end of the brush holder (5). A plug rod (7) is slidably connected inside the limiting sleeve (6). A plate brush (8) is fixedly connected to the rear end of the brush holder (5). A carrier plate (10) is fixedly connected to the top end of the base plate (1). A bracket (11) is fixedly connected to the top end of the base plate (1). A limiting block (9) is fixedly connected inside the bracket (11). A pressing component is fixedly connected to the front end of the bracket (11).

2. The dual-station testing fixture according to claim 1, characterized in that: The pressing assembly includes two support plates (12). A rotating frame (13) is rotatably connected to the front end of the support plate (12). A rotating block (14) is rotatably connected to the front end of the rotating frame (13). A fixing column (15) is fixedly connected to both the upper and lower ends of the rotating block (14). A locking hook (16) is rotatably connected to both the left and right ends of the rotating frame (13). A gripping rod (17) is rotatably connected to the adjacent ends of the two rotating blocks (14). A linkage frame (18) is rotatably connected to the bottom end of the rotating frame (13). A guide column (19) is rotatably connected to the bottom end of the linkage frame (18). A pressure plate (20) is fixedly connected to the bottom end of the guide column (19).

3. The dual-station testing fixture according to claim 1, characterized in that: A stop block is installed at the top of the insertion rod (7), and a sliding groove is provided inside the limiting block (9).

4. The dual-station testing fixture according to claim 2, characterized in that: The rear end of the support plate (12) is fixedly connected to the front end of the bracket (11), and the outside of the guide column (19) is slidably connected to the inside of the support plate (12).

5. The dual-station testing fixture according to claim 2, characterized in that: The pressure plate (20) is slidably connected to the inside of the bracket (11), and the inside of the pressure plate (20) has multiple holes.

6. The dual-station testing fixture according to claim 2, characterized in that: Both gripping rods (17) have slots at their adjacent ends, and the front end of the support plate (12) is fitted with a sliding sleeve.

7. The dual-station testing fixture according to claim 1, characterized in that: The rear end of the insertion rod (7) is slidably connected to the front end of the brush holder (5), and multiple support pillars are installed at the bottom end of the carrier plate (10).

8. The dual-station testing fixture according to claim 1, characterized in that: The bottom end of the insertion rod (7) is equipped with a slider, and the two adjacent ends of the two rotating shafts (4) are rotatably connected to the drive end of the double-headed hydraulic press (2).

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