An intensity testing device for a semiconductor plastic package

Abstract

The present invention belongs to the technical field of semiconductor plastic package strength testing, and particularly relates to a strength testing device for semiconductor plastic packages. It includes a C-shaped frame, a first sleeve is fixedly connected to the C-shaped frame, a placing plate is slidably connected to the first sleeve, a driving motor is fixedly connected to the C-shaped frame, an impact member is slidably connected to the C-shaped frame, a threaded rod is fixedly connected to the output shaft of the driving motor, the threaded rod is threadedly connected to a moving plate, a support rod is fixedly connected to the lower side of the placing plate, a spline rod is arranged on the support rod, a first floating plug is fixedly connected to the spline rod, and a second floating plug is slidably connected to the first sleeve. By changing the flow state of the liquid in the first sleeve and the change in the position of the lower pressing plate, the present invention automatically adjusts the height of the placing plate, so that the distance between the upper surface of plastic packages with different thicknesses and the lower surface of the impact member is the same, and further enables the impact member to apply a consistent impact force to plastic packages with different thicknesses, improving the detection efficiency.

Description

Technical Field

[0001] The invention belongs to the technical field of semiconductor plastic package strength testing, in particular to a semiconductor plastic package strength testing device. Background Art

[0002] Semiconductor plastic package refers to the plastic packaging material used to protect the chip and its lead frame during the semiconductor device packaging process. Before chip production, the plastic package needs to be strength tested to meet the usage requirements of different chips.

[0003] The existing impact strength test is to use a falling hammer to freely fall from a certain height to directly impact the plastic package, and then use laser detectors and other equipment to observe whether the plastic package is broken and deformed, so as to evaluate the impact strength of the plastic package. Before the test starts, the distance between the test bench and the falling hammer position needs to be adjusted to an appropriate value according to the properties of the plastic package, and then the plastic package is tested. In the process of testing different batches of plastic packages, the thickness of different plastic packages will be inconsistent, which will cause the impact force exerted by the falling hammer on plastic packages of different thicknesses to be inconsistent. In order to ensure the accuracy of the test results, it is often necessary to adjust the distance between the test bench and the falling hammer. However, the height of the test bench of the existing testing device cannot be adjusted, and only the height of the falling hammer can be adjusted separately. In order to achieve the effect of testing plastic packages of different thicknesses, the position of the falling hammer needs to be repeatedly adjusted. In this way, the test time will be extended, thereby reducing the efficiency of the test. At the same time, if the position of the falling hammer is not adjusted accurately, the test value will be deviated, resulting in inaccurate test results, which will cause unqualified products to enter the market. Summary of the invention

[0004] In order to overcome the disadvantage of inconsistent impact force in the process of strength testing of semiconductor plastic package bodies by existing devices, the present invention provides a strength testing device for semiconductor plastic package bodies.

[0005] Technical solution: A strength testing device for a semiconductor plastic package body, including a C-shaped frame, the C-shaped frame is fixedly connected with a first sleeve, the first sleeve is slidably connected with a placing plate, the C-shaped frame is fixedly connected with a driving motor, the output shaft of the driving motor is rotatably connected with the C-shaped frame, a striking member is slidably connected to the upper side of the C-shaped frame, a threaded rod is fixedly connected to the output shaft of the driving motor, the threaded rod is threadedly connected with a moving plate, a support rod is fixedly connected to the lower side of the placing plate, a spline rod is arranged on the side of the support rod away from the placing plate, a first floating plug is fixedly connected to the spline rod, the first floating plug is slidably connected with the first sleeve, a second floating plug is slidably connected inside the first sleeve, two chambers are arranged inside the first sleeve, the first floating plug and the second floating plug are respectively located in the two cavities of the first sleeve, a first elastic member is fixedly connected between the second floating plug and the first sleeve, a pressure regulating assembly for regulating the impact force of the striking member is arranged on the upper side of the C-shaped frame, a one-way switch assembly for controlling the movement of the liquid in the first sleeve is arranged on the first sleeve, and an auxiliary limiting assembly for limiting the striking member is arranged on the side of the C-shaped frame away from the first sleeve.

[0006] Further explanation, the pressure regulating assembly includes an electric push rod, the electric push rod is fixedly connected to the side of the C-shaped frame close to the driving motor, the telescopic end of the electric push rod is fixedly connected with a lower pressing plate, the lower pressing plate is slidably connected with the striking member, a force applying plate is slidably connected to the striking member, the force applying plate is in pressing fit with the striking member, the force applying plate is slidably connected with the C-shaped frame, and a second elastic member is fixedly connected between the force applying plate and the lower pressing plate.

[0007] Further explanation, the auxiliary limiting assembly includes a second sleeve, the second sleeve is fixedly connected to the C-shaped frame through a round rod, a first limiting member is slidably connected to the second sleeve, a blocking block is fixedly connected to the C-shaped frame, a third sleeve is fixedly connected to the blocking block, a second limiting member is slidably connected to the third sleeve, the second limiting member is in pressing fit with the moving plate, a third elastic member is fixedly connected between the third sleeve and the second limiting member, a sliding block is fixedly connected to the striking member, the sliding block is in pressing fit with the first limiting member, a one-way block is rotatably connected to the side of the sliding block away from the striking member, a fourth elastic member is fixedly connected between the one-way block and the sliding block, and an auxiliary pressing-down assembly for adjusting the position of plastic packages with different thicknesses is arranged on the side of the moving plate close to the first sleeve.

[0008] Further illustration, the auxiliary pressing-down assembly includes Z-shaped rods symmetrically distributed. The symmetrically distributed Z-shaped rods are all slidably connected to the moving plate. The one-way block is in extrusion fit with the adjacent Z-shaped rod. A fifth elastic member is fixedly connected between each of the symmetrically distributed Z-shaped rods and the moving plate. The Z-shaped rod is slidably connected with a pressing-down frame through a round rod, and the Z-shaped rod is slidably connected with a transfer member through a round rod. The Z-shaped rod is in extrusion fit with the blocking block. A sixth elastic member is fixedly connected between the transfer member and the adjacent pressing-down frame, and a seventh elastic member is fixedly connected between the transfer member and the adjacent Z-shaped rod. The pressing-down frame is rotatably connected with a roller. The symmetrically distributed rollers are in mutual extrusion fit, and the roller is in extrusion fit with the impact member. The first sleeve is fixedly connected with symmetrically distributed first limiting plates, and the first limiting plate is in extrusion fit with the adjacent transfer member.

[0009] Further illustration, the one-way switch assembly includes a first pipe, the first pipe is fixedly connected to the first sleeve, both ends of the first pipe are communicated with two cavities of the first sleeve respectively. The first sleeve is fixedly connected with a second pipe, a one-way valve is arranged inside the second pipe, and both ends of the second pipe are communicated with two cavities of the first sleeve respectively. The first sleeve is fixedly connected with symmetrically distributed fixed sliding rods, and a limiting sliding plate is jointly slidably connected by the symmetrically distributed fixed sliding rods. The limiting sliding plate is fixedly connected with a plugging long rod, the plugging long rod is slidably connected with the second pipe, the plugging long rod is slidably connected with the first pipe, and the plugging long rod is in plugging fit with both the first pipe and the second pipe. An eighth elastic member is fixedly connected between the first sleeve and the limiting sliding plate. The first sleeve is fixedly connected with a fourth sleeve, a plugging sliding rod is slidably connected to the fourth sleeve, the plugging sliding rod is slidably connected with the first pipe, and the plugging long rod is in plugging fit with the first pipe. The C-shaped frame is fixedly connected with a fifth sleeve through a round rod, the fourth sleeve and the fifth sleeve are communicated through a pipe, a third limiting member is slidably connected to the fifth sleeve, a ninth elastic member is fixedly connected between the fifth sleeve and the third limiting member, and the third limiting member is in extrusion fit with the sliding block.

[0010] Further description: It further includes a clamping and positioning mechanism. The clamping and positioning mechanism is used to center the plastic-sealed body on the placing plate. The clamping and positioning mechanism includes a sixth sleeve. The sixth sleeve is fixedly connected to the C-shaped frame. The sixth sleeve is slidably connected to a first sliding rod. The first sliding rod is fixedly connected to the moving plate. A seventh sleeve is fixedly connected to the side wall of the C-shaped frame. The seventh sleeve is communicated with the sixth sleeve through a pipeline. The seventh sleeve is slidably connected to a second sliding rod. The second sliding rod is slidably connected to the first sleeve. A rack is fixedly connected to one side of the second sliding rod away from the seventh sleeve. A spline rod is splined with a gear. The gear meshes with the rack. The spline rod is rotatably connected to a holding engagement plate. The holding engagement plate is slidably connected to the rack. A rotating plate is fixedly connected to the spline rod. The spline rod is rotatably connected to the support rod. The rotating plate is slidably connected to circumferentially distributed rotating rods. The rotating rods are in pressing fit with the rotating plate. The rotating rods are slidably connected to T-shaped clamping rods. The T-shaped clamping rods are slidably connected to the placing plate. A tenth elastic member is fixedly connected between the T-shaped clamping rod and the adjacent rotating rod. The T-shaped clamping rod penetrates through the placing plate and is slidably connected thereto. A size detection component is arranged inside the first sleeve. The size detection component is used to detect the size of the plastic-sealed body between the T-shaped clamping rods. An impact plate adjusting component is arranged on the lower side of the impact member. The impact plate adjusting component is used to adjust the size of the impact cross-section of the impact member.

[0011] Further description: The size detection component includes an eighth sleeve. The eighth sleeve is fixedly connected to the first sleeve through an L-shaped bracket. The eighth sleeve is slidably connected to a third sliding rod. A fourth sliding rod is fixedly connected to the T-shaped clamping rod on one side of the L-shaped bracket close to the eighth sleeve. The fourth sliding rod is slidably connected to a ninth sleeve. The ninth sleeve is fixedly connected to the placing plate. The ninth sleeve is slidably connected to the first sleeve. The ninth sleeve is communicated with the eighth sleeve through a pipeline. A fifth sliding rod is fixedly connected to the T-shaped clamping rod on the side away from the threaded rod. The fifth sliding rod is slidably connected to a tenth sleeve. The tenth sleeve is fixedly connected to the placing plate. The tenth sleeve is slidably connected to the first sleeve. The tenth sleeve is communicated with the eighth sleeve through a pipeline.

[0012] Further description: The impact plate adjusting assembly includes a first outer shell, which is slidably connected to the impact member. The impact member is slidably connected to a second outer shell. Both the second outer shell and the first outer shell are fixedly connected with second limiting plates, which are in limiting cooperation with the impact member. The second limiting plates are slidably connected to the impact member and are in pressing cooperation with the third sliding rod. The impact member is fixedly connected with a limiting anti-rotation plate, and the limiting anti-rotation plate is fixedly connected with a limiting anti-rotation rod. The limiting anti-rotation rod is slidably connected with symmetrically distributed inclined surface telescopic cylinders. An eleventh elastic member is fixedly connected between the inclined surface telescopic cylinder and the limiting anti-rotation rod. The inclined surface telescopic cylinder is slidably connected with a telescopic inclined surface, which is in limiting cooperation with the adjacent second limiting plate. A twelfth elastic member is fixedly connected between the telescopic inclined surface and the adjacent inclined surface telescopic cylinder. The C-shaped frame is fixedly connected with a reset rod, and the inclined surface telescopic cylinder is in pressing cooperation with the reset rod.

[0013] Further description: The elastic force of the twelfth elastic member between the telescopic inclined surface and the adjacent inclined surface telescopic cylinder is greater than the impact force of the impact member on the plastic-sealed body.

[0014] Further description: The lower sides of the first outer shell and the second outer shell are flush with the lower side of the impact member.

[0015] The beneficial effects of the present invention are as follows: By changing the flow state of the liquid in the first sleeve and the change in the position of the lower pressing plate, the height of the placing plate is automatically adjusted, so that the distance between the upper surface of the plastic-sealed body with different thicknesses and the lower surface of the impact member is the same, and then the impact member applies a consistent impact force to the plastic-sealed bodies with different thicknesses, improving the detection efficiency.

[0016] The present invention drives the lower pressing plate to move through the electric push rod, so that the force applied by the force-applying plate to the impact member changes, thereby regulating the impact force of the impact member on the plastic-sealed body on the placing plate, and further improving the applicability of the device.

[0017] The present invention moves the moving plate downward, so that the T-shaped clamping rod clamps the plastic-sealed body, and then achieves the effect of automatically centering the plastic-sealed body.

[0018] The present invention moves the T-shaped clamping rod, so that the impact cross-section of the impact member changes, thereby achieving the use of a suitable impact cross-section for plastic-sealed bodies of different sizes, preventing the impact stress on the plastic-sealed body from being concentrated, resulting in different impact stresses at the center position and the edge position of the measured object, and further ensuring the uniform impact force of the impact head on the plastic-sealed body. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a three-dimensional structural schematic diagram of the present invention;

[0020] Figure 2 is a three-dimensional structural schematic diagram of the impact member and the first sleeve of the present invention;

[0021] Figure 3 Schematic three-dimensional structure diagram of the moving plate and the impact member of the present invention;

[0022] Figure 4 Schematic three-dimensional structure diagram of the spline rod and the first sleeve of the present invention;

[0023] Figure 5 Schematic three-dimensional structure diagram of the pressure regulating assembly of the present invention;

[0024] Figure 6 Schematic three-dimensional structure diagram of the auxiliary limiting assembly of the present invention;

[0025] Figure 7 Schematic three-dimensional structure diagram of the auxiliary pressing-down assembly of the present invention;

[0026] Figure 8 Schematic cross-sectional view of the three-dimensional structure of the second pipeline and the plugging long rod of the present invention;

[0027] Figure 9 Schematic three-dimensional structure diagram of the fifth sleeve and the third limiting member of the present invention;

[0028] Figure 10 Schematic three-dimensional structure diagram of the sixth sleeve and the seventh sleeve of the present invention;

[0029] Figure 11 Schematic three-dimensional structure diagram of the rack and the spline rod of the present invention;

[0030] Figure 12 Schematic three-dimensional structure diagram of the rotating rod and the T-shaped clamping rod of the present invention;

[0031] Figure 13 Schematic three-dimensional structure diagram of the size detection assembly of the present invention;

[0032] Figure 14 Schematic three-dimensional structure diagram of the impact plate adjusting assembly of the present invention.

[0033] Reference numerals: 1 - C-shaped frame, 2 - first sleeve, 3 - placing plate, 4 - drive motor, 5 - impact member, 6 - threaded rod, 7 - moving plate, 9 - support rod, 10 - spline rod, 11 - first floating plug, 12 - second floating plug, 201 - electric push rod, 202 - lower pressing plate, 203 - force-applying plate, 302 - second sleeve, 303 - first limiting member, 304 - blocking block, 305 - third sleeve, 306 - second limiting member, 308 - sliding block, 309 - one-way block, 401 - Z-shaped rod, 403 - lower pressing frame, 404 - transfer member, 406 - roller, 407 - first limiting plate, 501 - first pipe, 502 - second pipe, 503 - fixed sliding rod, 504 - limiting sliding plate, 505 - plugging long rod, 508 - fourth sleeve, 509 - plugging sliding rod, 511 - fifth sleeve, 512 - third limiting member, 701 - sixth sleeve, 702 - first sliding rod, 703 - seventh sleeve, 704 - second sliding rod, 705 - rack, 706 - gear, 707 - maintaining engagement plate, 708 - rotating plate, 709 - rotating rod, 710 - T-shaped clamping rod, 802 - eighth sleeve, 803 - third sliding rod, 804 - fourth sliding rod, 805 - ninth sleeve, 806 - fifth sliding rod, 807 - tenth sleeve, 901 - first housing, 902 - second housing, 903 - second limiting plate, 904 - limiting anti-rotation plate, 905 - limiting anti-rotation rod, 906 - inclined surface expansion cylinder, 908 - expansion inclined surface, 910 - reset rod. Detailed implementation manners

[0034] The present invention will be further described below in conjunction with the drawings and embodiments.

[0035] Embodiment 1: A strength testing device for a semiconductor plastic package, as Figures 1-9As shown in the figure, it includes a C-shaped frame 1. There are two through holes on the upper side of the C-shaped frame 1. The lower side inside the C-shaped frame 1 is fixedly connected with a first sleeve 2. The C-shaped frame is provided with a control terminal (not shown in the figure). The upper side of the first sleeve 2 is slidably connected with a holding plate 3. The upper side of the C-shaped frame 1 is fixedly connected with a driving motor 4. The output shaft of the driving motor 4 is rotatably connected with the C-shaped frame 1. The output shaft of the driving motor 4 is located in the through hole on the front side of the C-shaped frame 1. The driving motor 4 is electrically connected with the control terminal on the C-shaped frame. The upper side of the C-shaped frame 1 is slidably connected with an impact member 5. The impact member 5 is composed of three circular plates and a circular rod. The upper side is a force-receiving plate, the middle part is an installation plate, and the lower side is an impact plate. A threaded rod 6 is fixedly connected to the output shaft of the driving motor 4. The threaded rod 6 is threadedly connected with a moving plate 7. The moving plate 7 is composed of an H-shaped plate, a circular rod, and a square block. The lower side of the holding plate 3 is fixedly connected with a support rod 9. The lower side of the support rod 9 is provided with a spline rod 10. The lower side of the spline rod 10 is fixedly connected with a first floating plug 11. The first floating plug 11 is slidably connected with the first sleeve 2. A second floating plug 12 is slidably connected inside the first sleeve 2. There are two chambers inside the first sleeve 2, namely an upper chamber and a lower chamber. The first floating plug 11 and the second floating plug 12 are respectively located in the upper chamber and the lower chamber of the first sleeve 2. The two chambers of the first sleeve 2 are both filled with liquid, and the liquid is water. There is a through hole on the upper side of the side wall of the lower chamber of the first sleeve 2 for the smooth sliding of the second floating plug 12. This through hole is always above the second floating plug 12 (not shown in the figure). A first elastic member is fixedly connected between the second floating plug 12 and the first sleeve 2. The first elastic member is a tension spring for driving the liquid in the first sleeve 2 to reset. The upper side of the C-shaped frame 1 is provided with a pressure regulating component for regulating the impact force of the impact member 5. The front side of the first sleeve 2 is provided with a one-way switch component for controlling the movement of the liquid in the first sleeve 2. The upper side inside the C-shaped frame 1 is provided with an auxiliary limiting component for limiting the impact member 5.

[0036] As Figure 1 , Figure 2 and Figure 5As shown in the figure, the pressure regulating assembly includes an electric push rod 201. The electric push rod 201 is fixedly connected to the upper side of the C-shaped frame 1. The electric push rod 201 is electrically connected to the control terminal on the C-shaped frame. The telescopic end of the electric push rod 201 is fixedly connected with a lower pressing plate 202. The lower pressing plate 202 is slidably connected to the round rod of the impact member 5. A force-applying plate 203 is slidably connected to the round rod of the impact member 5. The force-applying plate 203 is in extrusion fit with the force-receiving plate of the impact member 5. The force-applying plate 203 slides in the through hole at the rear side of the upper part of the C-shaped frame 1. The through hole has the same area as the force-applying plate 203, which is used to increase the adjustment range of the impact force adjustment of the device. The contact area between the force-applying plate 203 and the force-receiving plate of the impact member 5 is equal, ensuring that the impact force of the force-applying plate 203 is evenly transmitted to the impact member 5. The force-applying plate 203 is slidably connected to the C-shaped frame 1. A second elastic member is fixedly connected between the force-applying plate 203 and the lower pressing plate 202. The second elastic member is a spring, which is used to apply an impact force to the impact member 5. By adjusting the position of the force-applying plate 203 through the electric push rod 201, the compression amount of the second elastic member fixedly connected to the force-applying plate 203 is changed, and the impact force of the force-applying plate 203 on the impact member 5 is changed, thereby adjusting the impact force of the impact member 5 on the plastic-sealed body.

[0037] As Figure 2 , Figure 3 , Figure 5 and Figure 6As shown, the auxiliary limit assembly includes a second sleeve 302. The second sleeve 302 is fixedly connected to the C-shaped frame 1 through a round rod. A first limiting member 303 is slidably connected to the second sleeve 302. The second sleeve 302 is filled with hydraulic oil. A blocking block 304 is fixedly connected to the upper side inside the C-shaped frame 1. The blocking block 304 is provided with inclined surfaces symmetrically distributed left and right, and vertical surfaces symmetrically distributed left and right. The vertical surfaces of the blocking block 304 are located above its adjacent inclined surfaces. A third sleeve 305 is fixedly connected to the middle of the blocking block 304. The third sleeve 305 is filled with hydraulic oil. A second limiting member 306 is slidably connected to the third sleeve 305. The second limiting member 306 is provided with a trapezoidal notch. The inclined surface of the second limiting member 306 is in pressing fit with the square block on the moving plate 7. A third elastic member is fixedly connected between the third sleeve 305 and the second limiting member 306. The third elastic member is a tension spring. The impact member 5 is fixedly connected with a sliding block 308. The sliding block 308 is located above the mounting plate of the impact member 5. The sliding block 308 is in pressing fit with the first limiting member 303. By the square block on the moving plate 7 pressing the inclined surface of the second limiting member 306 and using a series of hydraulic transmissions, the first limiting member 303 is moved, so as to release the limit of the first limiting member 303 on the sliding block 308, and complete the release of the impact force of the device. A one-way block 309 is rotatably connected to the front side of the sliding block 308. Under the limiting action of the sliding block 308, the one-way block 309 can only rotate downward. A fourth elastic member is fixedly connected between the one-way block 309 and the sliding block 308. The fourth elastic member is a torsion spring, which is used to reset the one-way block 309. By the one-way movement of the first limiting member 303, the impact member 5 is restricted to a fixed position above the first limiting member 303, so that the impact member 5 stays in the fixed position, ensuring that under normal use, the impact force released by the device is the same for each impact force test. An auxiliary pressing-down assembly is arranged at the rear side of the moving plate 7, and the auxiliary pressing-down assembly is used for position adjustment of plastic-sealed bodies with different thicknesses.

[0038] As Figure 3 and Figure 7As shown, the auxiliary pressing-down component includes two Z-shaped rods 401 symmetrically distributed. The Z-shaped rod 401 is composed of a Z-shaped rod and a round rod at the rear. Both Z-shaped rods 401 are slidably connected to the round rod at the rear of the moving plate 7. The one-way block 309 is in extrusion fit with the adjacent Z-shaped rod 401. A fifth elastic member is fixedly connected between both Z-shaped rods 401 and the moving plate 7. The fifth elastic member is a spring and is used to drive the Z-shaped rod 401 to reset. The Z-shaped rod 401 is slidably connected with a pressing-down frame 403 through the round rod, and the Z-shaped rod 401 is slidably connected with a transfer member 404 through the round rod. The two pressing-down frames 403 are located between the two transfer members 404. The front side of the Z-shaped rod 401 is in extrusion fit with the adjacent inclined surface of the blocking block 304. A sixth elastic member is fixedly connected between the transfer member 404 and the adjacent pressing-down frame 403. The sixth elastic member is a spring and is used to drive the pressing-down frame 403 to reset. A seventh elastic member is fixedly connected between the transfer member 404 and the adjacent Z-shaped rod 401. The seventh elastic member is a tension spring and is used to drive the transfer member 404 to reset. The pressing-down frame 403 is rotatably connected with a roller 406. The two symmetrically distributed rollers 406 are in extrusion fit with each other, and the roller 406 is in extrusion fit with the vertical rod of the impact member 5, which is used to prevent the pressing-down frame 403 from directly contacting the impact member 5 and avoid damage to the impact member 5 caused by friction between the pressing-down frame 403 and the impact member 5, thereby ensuring the service life of the device. Two first limiting plates 407 are fixedly connected to the upper side of the first sleeve 2. The first limiting plate 407 is provided with an inclined surface and a vertical surface, and its inclined surface is located above its vertical surface. The distance between the inclined surfaces of the two first limiting plates 407 gradually decreases from top to bottom. The first limiting plate 407 is in extrusion fit with the adjacent transfer member 404. By moving the moving plate 7, the pressing-down frame 403 reaches the specified position, so that the upper surface of the plastic-sealed body reaches the specified position, and further makes the impact forces received by plastic-sealed bodies of different thicknesses consistent.

[0039] As Figure 8 and Figure 9As shown in the figure, the one-way switch assembly includes a first pipeline 501, which is fixedly connected to the front side of the first sleeve 2. The upper and lower ends of the first pipeline 501 are respectively communicated with the two cavities of the first sleeve 2. The first sleeve 2 is fixedly connected with a second pipeline 502, and a one-way valve is arranged inside the second pipeline 502, which enables the liquid to flow only from top to bottom. The two ends of the second pipeline 502 are respectively communicated with the two cavities of the first sleeve 2. The first pipeline 501 is located on the right side of the second pipeline 502. Two symmetrically distributed fixed sliding rods 503 are fixedly connected to the front side of the first sleeve 2. The two symmetrically distributed fixed sliding rods 503 are located between the first pipeline 501 and the second pipeline 502. A limiting sliding plate 504 is slidably connected to the two symmetrically distributed fixed sliding rods 503 together. The limiting sliding plate 504 is fixedly connected with a blocking long rod 505. The blocking long rod 505 is composed of an inclined plane block, an L-shaped rod and a U-shaped part. The blocking long rod 505 is slidably connected with the second pipeline 502 and the first pipeline 501. The T-shaped part of the blocking long rod 505 is in sealing cooperation with both the first pipeline 501 and the second pipeline 502, and is used to change the flow state of the first pipeline 501 and the second pipeline 502, so as to regulate the movement of the placing plate 3, and further assist the device to reach an appropriate impact distance and a stable impact force. An eighth elastic member is fixedly connected between the first sleeve 2 and the limiting sliding plate 504. The eighth elastic member is a tension spring, and is used to release the blocking of the first pipeline 501 and the second pipeline 502 by the blocking long rod 505. A fourth sleeve 508 is fixedly connected to the lower side of the first sleeve 2. A blocking sliding rod 509 is slidably connected to the fourth sleeve 508. The fourth sleeve 508 is filled with hydraulic oil. The blocking sliding rod 509 is slidably connected with the first pipeline 501. The blocking long rod 505 is in sealing cooperation with the first pipeline 501. When the U-shaped frame of the blocking long rod 505 enters the first pipeline 501 and the second pipeline 502, the liquid in the first pipeline 501 and the second pipeline 502 cannot flow. The upper side inside the C-shaped frame is fixedly connected with a fifth sleeve 511 through a round rod. The fourth sleeve 508 and the fifth sleeve 511 are communicated through a pipeline. A third limiting member 512 is slidably connected to the fifth sleeve 511. The fifth sleeve 511 is filled with hydraulic oil. A ninth elastic member is fixedly connected between the fifth sleeve 511 and the third limiting member 512. The ninth elastic member is a tension spring and is in an initial stretched state. The third limiting member 512 is in extrusion cooperation with the sliding block 308, and is used to block the first pipeline 501 by the blocking sliding rod 509, so that the liquid in the first sleeve 2 flows unidirectionally, and further enables the plastic sealing body to move only unidirectionally when the lower pressing frame 403 presses down. By the movement of the moving plate 7, the fixed sliding rod 505 and the blocking sliding rod 509 block the first pipeline 501 and the second pipeline 502, so as to change the flow state of the liquid in the upper and lower chambers of the first sleeve 2, thereby changing the position of the placing plate 3, and further realizing the control of the position of the plastic sealing body.

[0040] When the staff needs to conduct a strength test on the plastic-sealed body, the staff places the plastic-sealed body to be tested on the upper side of the placing plate 3 of this device, and then turns on the electric push rod 201. According to the required impact strength, the downward movement distance of the electric push rod 201 is adjusted, so as to adjust the impact force when the impact member 5 moves downward. After the adjustment is completed, the electric push rod 201 is turned off to complete the preparation work of this equipment. Then, the staff starts the control terminal on the C-shaped frame 1, and the control terminal on the C-shaped frame 1 starts the drive motor 4. The drive motor 4 drives the threaded rod 6 to rotate, and the threaded rod 6 drives the moving plate 7 to move downward. The moving plate 7 drives the Z-shaped rod 401, the pressing frame 403, the transfer member 404, and the roller 406 to all move downward.

[0041] During the downward movement of the transfer member 404, when the transfer member 404 contacts the adjacent first limiting plate 407, the symmetrically distributed transfer members 404 move towards each other under the extrusion of the adjacent first limiting plates 407. The transfer member 404 moves away from the adjacent Z-shaped rod 401, and the seventh elastic member is stretched. The transfer member 404 drives the adjacent pressing frame 403 to move through the adjacent sixth elastic member, and the two pressing frames 403 move towards each other. When the symmetrically distributed rollers 406 contact each other, when the transfer member 404 reaches the vertical part of the adjacent first limiting plate 407, the symmetrically distributed pressing frames 403 continue to move downward, and the two rollers 406 stop moving towards each other. When the pressing frame 403 contacts the plastic-sealed body, the pressing frame 403 drives the plastic-sealed body to move downward, and the plastic-sealed body drives the placing plate 3, the support rod 9, and the spline rod 10 to all move downward, and squeezes the liquid in the upper chamber of the first sleeve 2. The liquid in the upper chamber of the first sleeve 2 enters its lower chamber through the one-way valve in the second pipeline 502 and is located below the second floating plug 12, and the first elastic member is stretched.

[0042] During the downward movement of the transfer member 404, when the transfer member 404 reaches the lower side of the vertical portion of the adjacent first limiting plate 407, the drive motor 4 starts to rotate in the reverse direction and moves the moving plate 7 upward. The moving plate 7 drives the Z-shaped rod 401, the pressing frame 403, the transfer member 404, and the roller 406 to move upward together. The pressing frame 403 loses contact with the plastic-sealed body. Under the action of the one-way valve in the first pipeline 501, the liquid in the lower chamber of the first sleeve 2 cannot flow along the second pipeline 502. At the same time, under the blocking action of the blocking slide rod 509, the liquid in the chamber of the first sleeve 2 cannot move upward into the upper chamber along the first pipeline 501, so that the first floating plug 11 and the parts connected thereto cannot move, and thus the plastic-sealed body cannot move. The symmetrically distributed transfer members 404 move away from each other under the elastic force of the adjacent seventh elastic members. The transfer member 404 drives the adjacent pressing frame 403 and the roller 406 thereon to move through the adjacent sixth elastic member. The symmetrically distributed rollers 406 lose contact with each other. When the transfer member 404 loses contact with the adjacent first limiting plate 407, the symmetrically distributed transfer members 404 and the parts thereon are reset. As the Z-shaped rod 401 continues to move upward, when the Z-shaped rod 401 contacts the one-way block 309, the Z-shaped rod 401 drives the one-way block 309 and the parts connected thereto to move upward synchronously. When the Z-shaped rod 401 contacts the blocking block 304 and is squeezed by it, the symmetrically distributed Z-shaped rods 401 move away from each other. The Z-shaped rod 401 drives the adjacent pressing frame 403, the transfer member 404, and the roller 406 to move, and the fifth elastic member is stretched.

[0043] During the upward movement of the Z-shaped rod 401, when the Z-shaped rod 401 is on the vertical surface of the blocking block 304, the distance between the two Z-shaped rods 401 is the largest at this time, and the Z-shaped rod 401 loses contact with the adjacent one-way block 309. The impact member 5 moves downward under the combined action of the elastic force of the second elastic member and gravity. When the sliding block 308 contacts the first limiting member 303, the sliding block 308 and the parts connected thereto stop moving. When the moving plate 7 is about to contact the second limiting member 306, the moving plate 7 contacts and squeezes the blocking long rod 505. The blocking long rod 505 moves forward. The blocking long rod 505 drives the limiting sliding plate 504 to move, and the eighth elastic member is stretched. The blocking long rod 505 starts to block the first pipeline 501 and the second pipeline 502. When the blocking long rod 505 completely blocks the first pipeline 501 and the second pipeline 502, the moving plate 7 contacts and squeezes the second limiting member 306. The second limiting member 306 moves forward. The movement of the second limiting member 306 increases the volume of the space at the rear side of the third sleeve 305. A negative pressure is generated at the rear side of the third sleeve 305. The negative pressure drives the liquid in the second sleeve 302 to move into the third sleeve 305 and then drives the first limiting member 303 to move forward, and the third elastic member is stretched.

[0044] During the upward movement of the moving plate 7, when the second limiting member 306 loses contact with the inclined surface of the moving plate 7, the driving motor 4 stops rotating, and the first limiting member 303 loses contact with the sliding block 308. The impact member 5 moves downward under the combined action of the elastic force of the second elastic member and gravity. The impact member 5 drives the sliding block 308 to move synchronously. When the sliding block 308 loses contact with the third limiting member 512, the ninth elastic member retracts and drives the third limiting member 512 to protrude forward. The space volume between the rear side of the third limiting member 512 and the fifth sleeve 511 increases and generates negative pressure. The negative pressure causes the liquid in the fourth sleeve 508 to move into the fifth sleeve 511 and drives the plugging slide rod 509 to move to the right, and the plugging slide rod 509 releases the plugging of the first pipe 501.

[0045] During the downward movement of the impact member 5, when the force - applying plate 203 loses contact with the force - receiving circular plate on the impact member 5, the second elastic member resets under the action of the elastic force. When the impact member 5 contacts the plastic - sealed body on the placing plate 3 and applies an impact force, the internal liquid in the upper chamber and the lower chamber of the first sleeve 2 cannot move under the restriction of the plugging long rod 505, which is used to make the impact member 5 apply an impact force to the plastic - sealed body on the placing plate 3. At this time, the impact test of the impact member 5 on the plastic - sealed body on the placing plate 3 is completed.

[0046] When the impact member 5 completes the impact test on the plastic - sealed body on the placing plate 3, the control terminal on the C - shaped frame 1 turns on the driving motor 4. The driving motor 4 rotates forward and makes the moving plate 7 move downward. When the moving plate 7 loses contact with the second limiting member 306, the third elastic member resets and drives the second limiting member 306 to move backward. The second limiting member 306 makes the liquid in the third sleeve 305 move into the second sleeve 302. The liquid in the second sleeve 302 drives the first limiting member 303 to reset. When the moving plate 7 loses contact with the plugging long rod 505, the eighth elastic member retracts. Under the pulling force of the eighth elastic member, the plugging long rod 505 moves backward, and the plugging long rod 505 releases the plugging of the first pipe 501 and the second pipe 502. The upper chamber and the lower chamber of the first sleeve 2 communicate with each other, and the first elastic member starts to reset. The second floating plug 12 moves downward under the action of the pulling force. The liquid in the lower chamber of the first sleeve 2 enters its upper chamber through the second pipe 501. The liquid in the upper chamber of the first sleeve 2 makes the first floating plug 11 and its connecting parts move upward. The placing plate 3 drives the plastic - sealed body and the impact member 5 to move upward, and the liquid in the first sleeve 2 is reset.

[0047] The moving plate 7 descends and gradually loses contact with the blocking block 304. The two Z-shaped rods 401 move towards each other. After the Z-shaped rod 401 loses contact with the blocking block 304, the fifth elastic member resets. As the moving plate 7 moves downward, the Z-shaped rod 401 drives the parts it is connected to move downward and contact the upper side of the one-way block 309. Then, the Z-shaped rod 401 squeezes the one-way block 309 to make it deflect downward, and the fourth elastic member is twisted until the Z-shaped rod 401 passes through. When the Z-shaped rod 401 loses contact with the one-way block 309, the one-way block 309 resets under the action of the fourth elastic member. When the intermediate member 404 contacts and squeezes the first limiting plate 407, the movement of the Z-shaped rod 401 as described above is repeated. When the roller 406 contacts the mounting plate of the impact member 5 and stops moving, the sixth elastic member is compressed, and the action of the liquid in the first sleeve 2 when pressing the plastic-sealed body as described above is repeated. When the sixth elastic member is compressed to the limit position and when the one-way block 309 has completed resetting, the control terminal on the C-shaped frame 1 causes the drive motor 4 to reverse. The reverse rotation of the drive motor 4 causes the moving plate 7 and its connected parts to move upward. The Z-shaped rod 401 contacts the lower side of the one-way block 309, and the Z-shaped rod 401 drives the one-way block 309 and all the parts moving synchronously upward thereon to move upward, and the impact member 5 disengages from the contact with the plastic-sealed body.

[0048] When the Z-shaped rod 401 contacts the blocking block 304, the sliding block 308 starts to contact and squeeze the third limiting member 512. The third limiting member 512 moves backward, causing the liquid in the fifth sleeve 511 to move into the fourth sleeve 508. The ninth elastic member is stretched. The liquid in the fourth sleeve 508 causes the plugging slide rod 509 to move leftward. When the plugging slide rod 509 completely plugs the second pipeline 501, the reset of the impact member 5 is completed. At the same time, when the Z-shaped rod 401 contacts the blocking block 304, the Z-shaped rod 401 repeats the action of moving backward by itself. At this time, the force-applying plate 203 contacts the force-receiving circular plate on the impact member 5 and moves upward. The second elastic member is compressed. During the process of the one-way block 309 driving the sliding block 308 to move upward, when the sliding block 308 contacts the first limiting member 303, the sliding block 308 squeezes the first limiting member 303 to move forward. The first limiting member 303 causes the liquid in the second sleeve 302 to move into the third sleeve 305 and drives the second limiting member 306 to move forward. The third elastic member is stretched. When the sliding block 308 loses contact with the first limiting member 303, the first limiting member 303 extends and is located below the sliding block 308. Repeat the reset action of the first limiting member 303. When the Z-shaped rod 401 contacts the inclined surface of the blocking block 304, repeat the opening action of the Z-shaped rod 401. When the Z-shaped rod 401 loses contact with the lower side surface of the one-way block 309, the impact member 5 moves downward under the combined action of the elastic force and gravity of the second elastic member. The sliding block 308 stops moving after contacting the upper side surface of the first limiting member 303. Then, the control terminal on the C-shaped frame 1 makes the driving motor 4 rotate forward. The driving motor 4 makes the moving plate 7 and its connecting parts move downward. The Z-shaped rod 401 gradually resets under the action of the fifth elastic member. When the Z-shaped rod 401 contacts the upper side of the one-way block 309, repeat the action through the one-way block 309. The moving plate 7 and its connecting parts return to the initial position. Then, the control terminal on the C-shaped frame 1 makes the electric push rod 201 drive the lower pressing plate 202 to reset, so that the second elastic member between the force-applying plate 203 and the lower pressing plate 202 returns to the initial working state. The staff turns off the device and takes away the plastic-sealed body, completing the use of the device this time.

[0049] Embodiment 2: On the basis of Embodiment 1, as Figure 1 and Figures 10-13As shown, it further includes a clamping and positioning mechanism. The clamping and positioning mechanism is used to center the plastic-sealed body on the placing plate 3. The clamping and positioning mechanism includes a sixth sleeve 701, and the sixth sleeve 701 is fixedly connected to the lower side inside the C-shaped frame 1. The sixth sleeve 701 is slidably connected with a first slide rod 702. The sixth sleeve 701 is filled with hydraulic oil. The first slide rod 702 is fixedly connected to the lower side of the moving plate 7. The left side of the C-shaped frame 1 is fixedly connected with a seventh sleeve 703. The seventh sleeve 703 is communicated with the sixth sleeve 701 through a pipeline. The seventh sleeve 703 is slidably connected with a second slide rod 704. The seventh sleeve 703 is filled with hydraulic oil. The second slide rod 704 is slidably connected to the left side of the first sleeve 2. The right side of the second slide rod 704 is fixedly connected with a rack 705. The spline rod 10 is spline-connected with a gear 706. The gear 706 meshes with the rack 705. The lower side of the spline rod 10 is rotatably connected with a holding engagement plate 707. The holding engagement plate 707 is slidably connected with the rack 705. A bearing is arranged between the holding engagement plate 707 and the spline rod 10. The holding engagement plate 707 is used to keep the rack 706 and the gear 706 engaged when the placing plate 3 drives the parts below it to move. The upper side of the spline rod 10 is fixedly connected with a rotating plate 708. The rotating plate 708 is provided with four arc-shaped grooves distributed circumferentially. The spline rod 10 is rotatably connected with the support rod 9. Four rotating rods 709 distributed circumferentially are slidably connected in the arc-shaped grooves of the rotating plate 708. The rotating rods 709 are in pressing fit with the arc-shaped grooves on the rotating plate 708. The rotating rods 709 are slidably connected with T-shaped clamping rods 710. The T-shaped clamping rods 710 are composed of a T-shaped plate and a cylinder. The rotating rods 709 slide on the cylinders of the T-shaped clamping rods 710. For the rotating force applied by the rotating plate 708 to the rotating rods 709, the rotating rods 709 are changed from the rotational motion to a linear motion through the limiting sliding of the T-shaped clamping rods 710, so that the circumferentially distributed T-shaped clamping rods move towards each other, thereby completing the centering effect of the plastic-sealed body. The placing plate 3 is provided with four straight grooves distributed circumferentially. The T-shaped clamping rods 710 are slidably connected with the straight grooves on the placing plate 3. A tenth elastic member is fixedly connected between the T-shaped clamping rods 710 and the adjacent rotating rods 709. The tenth elastic member is a tension spring, which is used to drive the rotating rods 709 to reset on the adjacent T-shaped clamping rods 710. The T-shaped clamping rods 710 penetrate through the placing plate 3 and are slidably connected with it. A size detection component is arranged inside the first sleeve 2. The size detection component is used to detect the size of the plastic-sealed body between the T-shaped clamping rods 710. An impact plate adjusting component is arranged on the lower side of the impact member 5. The impact plate adjusting component is used to adjust the size of the impact cross-section of the impact member 5. By the movement of the moving plate 7, the circumferentially distributed T-shaped clamping rods 710 clamp the plastic-sealed body, thereby achieving the effect of centering and positioning the plastic-sealed body.

[0050] As Figure 10 , Figure 13 and Figure 14As shown in the figure, the size detection component includes an eighth sleeve 802, which is fixedly connected to the upper side of the first sleeve 2. A third sliding rod 803 is slidably connected to the eighth sleeve 802. The eighth sleeve 802 is filled with hydraulic oil. A fourth sliding rod 804 is fixedly connected to the T-shaped clamping rod 710 at the rear side. The fourth sliding rod 804 is slidably connected to a ninth sleeve 805. There is hydraulic oil in the ninth sleeve 805. The ninth sleeve 805 is fixedly connected to the lower side of the placing plate 3. The ninth sleeve 805 is slidably connected to the first sleeve 2. The ninth sleeve 805 is communicated with the eighth sleeve 802 through a flexible pipe. A fifth sliding rod 806 is fixedly connected to the T-shaped clamping rod 710 on the left side. The fifth sliding rod 806 is slidably connected to a tenth sleeve 807. The tenth sleeve 807 is filled with hydraulic oil. The tenth sleeve 807 is fixedly connected to the lower side of the placing plate 3. The tenth sleeve 807 is slidably connected to the first sleeve 2. The first sleeve 2 is provided with sliding grooves at the rear side and the left side. The tenth sleeve 807 and the ninth sleeve 805 slide on the adjacent sliding grooves on the first sleeve 2 respectively. The tenth sleeve 807 is communicated with the eighth sleeve 802 through a flexible pipe. By moving the T-shaped clamping rod 710, the third sliding rod 803 extends forward by a specified distance, and then the size of the plastic-sealed body is detected.

[0051] As Figure 13 and Figure 14As shown, the impact plate adjustment assembly includes a first shell 901, the first shell 901 is slidably connected to the mounting plate of the impact member 5, the impact member 5 is slidably connected to the second shell 902, the upper side of the second shell 902 and the upper side of the first shell 901 are fixedly connected with a second limit plate 903, the second limit plate 903 is limitedly matched with the impact member 5, the second limit plate 903 is slidably connected to the impact member 5, the second limit plate 903 is extruded and matched with the third slide bar 803, a limited anti-rotation plate 904 is fixedly connected to the mounting plate on the impact member 5, a limited anti-rotation rod 905 is fixedly connected to the upper side of the limited anti-rotation plate 904, the limited anti-rotation rod 905 is slidably connected with two symmetrically distributed inclined telescopic cylinders 906, an eleventh elastic member is fixedly connected between the inclined telescopic cylinder 906 and the limited anti-rotation rod 905, the eleventh elastic member is a spring, the inclined telescopic cylinder 906 is slidably connected with a telescopic inclined plane 908, and the telescopic inclined plane 908 is connected to the adjacent first The two limiting plates 903 are matched to limit the positions of the second shell 902 and the first shell 901. A twelfth elastic member is fixedly connected between the telescopic inclined surface 908 and the adjacent inclined telescopic cylinder 906. The twelfth elastic member is a spring. The extrusion force of the telescopic inclined surface 908 on the adjacent second limiting plate 903 is greater than the impact force of the impact member 5 on the plastic package body. A reset rod 910 is fixedly connected to the upper side of the C-shaped frame 1. The inclined telescopic cylinder 906 is extruded and matched with the inclined surface of the reset rod 910. The second shell 902 and the first shell 901 are located at different heights by moving the third sliding bar 803. The unidirectionality of the telescopic inclined surface 908 is used to control the impact cross section of the device. The lower side surfaces of the first shell 901 and the second shell 902 are flush with the lower side surface of the impact member 5, ensuring that the first shell 901, the second shell 902 and the impact member 5 fit with the upper surface of the plastic package body, so that the plastic package body is evenly stressed.

[0052] When the movable plate 7 and its connecting parts move downward, the movable plate 7 drives the first slide bar 702 to move synchronously and moves the liquid in the sixth sleeve 701 into the seventh sleeve 703. The liquid in the seventh sleeve 703 causes the second slide bar 704 to move to the right. The second slide bar 704 drives the rack 705 to move synchronously. The rack 705 drives the gear 706 to rotate. The gear 706 drives the spline rod 10 and the rotating plate 708 connected thereto to rotate synchronously. The rotating plate 708 squeezes the adjacent rotating rod 709 through the arc groove thereon. The rotating rod 709 and the adjacent T-clamping rod slide along the straight groove of the adjacent holding plate 3. The circumferentially distributed T-clamping rods move toward each other, thereby clamping the plastic sealing body to complete the centering of the plastic sealing body. When all the T-clamping rods 710 contact the plastic sealing body, the T-clamping rod 710 stops moving, the rotating rod 709 continues to move, and the adjacent tenth elastic member is stretched.

[0053] When the moving plate 7 and its connecting parts complete the action of pressing down the plastic-sealed body, the rotating rod 709 reaches the position near the center of the arc-shaped groove of the rotating plate 708. When the driving motor 4 rotates in the reverse direction to make the moving plate 7 move upward, the moving plate 7 drives the first sliding rod 702 to move synchronously, increasing the volume of the lower side of the sixth sleeve 701 and generating negative pressure. The negative pressure causes the liquid in the seventh sleeve 703 to move into the sixth sleeve 701. The liquid in the seventh sleeve 703 makes the second sliding rod 704 move to the left. The second sliding rod 704 drives the rack 705 to move to the left. The rack 705 drives the gear 706 to rotate in the reverse direction. The gear 706 drives the spline rod 10 and the connected rotating plate 708 to rotate synchronously. The rotating plate 708 squeezes the adjacent rotating rod 709 through the arc-shaped groove on it. The rotating rod 709 slides along the straight groove of the adjacent holding plate 3 with the adjacent T-shaped clamping rod. The circumferentially distributed T-shaped clamping rods move away from each other. The rotating rod 709 drives the adjacent T-shaped clamping rod 710 to move. During the upward movement of the moving plate 7, when the moving plate 7 loses contact with the inclined surface of the second limiting member 306, the rotating rod 709 and the adjacent T-shaped clamping rod 710 respectively reach the extreme positions away from the center of the adjacent arc-shaped groove of the rotating plate 708 and the straight groove of the adjacent holding plate 3. When the moving plate 7 and its connecting parts return to the initial position, the rotating rod 709 and the T-shaped clamping rod 710 also complete the resetting.

[0054] During the opposite movement of the circumferentially distributed T-shaped clamping rods 710, the rear T-shaped clamping rod 710 drives the fourth sliding rod 804 to move synchronously, and the left T-shaped clamping rod 710 drives the fifth sliding rod 806 to move synchronously. The movements of the fourth sliding rod 804 and the fifth sliding rod 806 respectively form negative pressure in the ninth sleeve 805 and the tenth sleeve 807, and further cause the ninth sleeve 805 and the tenth sleeve 807 to extract the liquid in the eighth sleeve 802. The liquid in the eighth sleeve 802 decreases, causing the third sliding rod 803 to move forward. When the area of the plastic-sealed body is smaller than the sum of the areas of the impact plate of the impact member 5, the first outer shell 901 and the second outer shell 902, the eighth sliding rod contacts and squeezes the second limiting plate 903 near the rear side. The second limiting plate 903 near the rear side moves upward under the extrusion of the third sliding rod 803. The second limiting plate 903 near the rear side drives the second outer shell 902 to move upward. The second limiting plate 903 near the rear side contacts and squeezes the adjacent telescopic inclined surface 908 and makes it move to the right. The twelfth elastic member is compressed. When the second limiting plate 903 near the rear side loses contact with the adjacent telescopic inclined surface 908, the telescopic inclined surface 908 resets under the action of the elastic force of the twelfth elastic member, making the telescopic inclined surface 908 located below the second limiting plate 903 near the rear side, and the twelfth elastic member returns to the initial state.

[0055] When the area of the plastic-sealed body is smaller than the sum of the areas of the impact plate of the impact member 5 and the first outer shell 901, when the third slide bar 803 continues to move forward, the second limiting plate 903 near the front side moves upward and drives the first outer shell 901 thereon to move. The second limiting plate 903 near the front side contacts and presses the adjacent telescopic inclined plane 908 and makes it move to the right side, and the twelfth elastic member is compressed. When the second limiting plate 903 loses contact with the adjacent telescopic inclined plane 908, the telescopic inclined plane 908 resets under the action of the elastic force of the twelfth elastic member, and the twelfth elastic member returns to its initial state. When the T-shaped clamping rod 710 loses contact with the plastic-sealed body, the T-shaped clamping rod 710 drives the fourth slide bar 804 and the fifth slide bar 806 to reset and move. The fourth slide bar 804 and the fifth slide bar 806 respectively squeeze the liquid in the ninth sleeve 805 and the tenth sleeve 807, so that the liquid enters the eighth sleeve 802 through the adjacent flexible pipeline. The liquid in the eighth sleeve 802 drives the third slide bar 803 to move backward. When the third slide bar 803 loses contact with the two juxtaposed second limiting plates 903, the two juxtaposed second limiting plates 903 start to move under the action of gravity. The two juxtaposed second limiting plates 903 respectively stop moving under the limitation of the adjacent telescopic inclined planes 908. The area of the plastic-sealed body is detected by the movement of the T-shaped clamping rod 710, so that the third slide bar 803 moves correspondingly, and the impact area of the impact member 5 on the plastic-sealed body is controlled. At this time, the adjustment of the size of the impact section of the device is completed. When the moving plate 7 moves for the second time and reaches the vertical surface contact between the Z-shaped rod 401 and the blocking block 304, the symmetrically distributed inclined plane telescopic cylinders 906 move away from each other under the extrusion of the reset rod 910, and the eleventh elastic member is compressed. The two juxtaposed second limiting plates 903 lose the limitation of the adjacent telescopic inclined planes 908, and the two juxtaposed second limiting plates 903 return to their initial positions, completing the automatic detection and adjustment function of the impact section size of the device.

[0056] It should be understood that the above description is only for exemplary purposes and does not mean to limit the present invention. Those skilled in the art will understand that the variant forms of the present invention will be included within the scope of this article.

Claims

1. A strength testing device for a semiconductor plastic package, comprising a C-shaped frame (1), the C-shaped frame (1) being fixedly connected to a first sleeve (2), the first sleeve (2) being slidably connected to a containing plate (3), the C-shaped frame (1) being fixedly connected to a driving motor (4), the output shaft of the driving motor (4) being rotatably connected to the C-shaped frame (1), and an impact piece (5) being slidably connected to the upper side of the C-shaped frame (1), wherein: It also includes a threaded rod (6), the threaded rod (6) being fixedly connected to the output shaft of the driving motor (4), the threaded rod (6) being threadedly connected to a movable plate (7), a support rod (9) being fixedly connected to the lower side of the containing plate (3), a spline rod (10) being provided on a side of the support rod (9) away from the containing plate (3), the spline rod (10) being fixedly connected to a first floating plug (11), the first floating plug (11) being slidably connected to the first sleeve (2), a second floating plug (12) being slidably connected inside the first sleeve (2), and two chambers being provided inside the first sleeve (2). The first floating plug (11) and the second floating plug (12) are respectively located in two cavities of the first sleeve (2); a first elastic member is fixedly connected between the second floating plug (12) and the first sleeve (2); a pressure regulating component for regulating the impact force of the impact member (5) is arranged on the upper side of the C-shaped frame (1); a one-way switch component for controlling the movement of liquid in the first sleeve (2) is arranged on the first sleeve (2); and an auxiliary limiting component for limiting the impact member (5) is arranged on a side of the C-shaped frame (1) away from the first sleeve (2).

2. The strength testing device for a semiconductor plastic package according to claim 1, characterized in that: The pressure regulating assembly comprises an electric push rod (201), the electric push rod (201) being fixedly connected to a side of the C-shaped frame (1) close to the driving motor (4), the telescopic end of the electric push rod (201) being fixedly connected to a lower pressure plate (202), the lower pressure plate (202) being slidably connected to the impact member (5), the impact member (5) being slidably connected to a force plate (203), the force plate (203) being extrusion-fitted with the impact member (5), the force plate (203) being slidably connected to the C-shaped frame (1), and a second elastic member being fixedly connected between the force plate (203) and the lower pressure plate (202).

3. The strength testing device for a semiconductor plastic package according to claim 1, characterized in that: The auxiliary limiting assembly comprises a second sleeve (302), the second sleeve (302) being fixedly connected to the C-shaped frame (1) via a round rod, the second sleeve (302) being slidably connected to a first limiting member (303), the C-shaped frame (1) being fixedly connected to a blocking block (304), the blocking block (304) being fixedly connected to a third sleeve (305), the third sleeve (305) being slidably connected to a second limiting member (306), the second limiting member (306) being extruded and matched with the movable plate (7), the third sleeve (305) being slidably connected to the first limiting member (303), the second limiting member (306) being extruded and matched with the movable plate (7), the third sleeve (305) being slidably connected to the first limiting member (306), and the second limiting member (306) being extruded and matched with the movable plate (7). A third elastic member is fixedly connected between the two limiting members (306); a sliding block (308) is fixedly connected to the impact member (5); the sliding block (308) is extruded and matched with the first limiting member (303); a side of the sliding block (308) away from the impact member (5) is rotatably connected to a one-way block (309); a fourth elastic member is fixedly connected between the one-way block (309) and the sliding block (308); and an auxiliary pressing component for adjusting the position of plastic sealing bodies of different thicknesses is arranged on a side of the movable plate (7) close to the first sleeve (2).

4. A semiconductor plastic package strength testing device according to claim 3, characterized in that: The auxiliary pressing assembly comprises symmetrically distributed Z-shaped rods (401), the symmetrically distributed Z-shaped rods (401) are all slidably connected to the movable plate (7), the one-way block (309) is pressed and matched with the adjacent Z-shaped rods (401), a fifth elastic member is fixedly connected between the symmetrically distributed Z-shaped rods (401) and the movable plate (7), the Z-shaped rods (401) are slidably connected to the pressing frame (403) through round rods, the Z-shaped rods (401) are slidably connected to the transfer member (404) through round rods, the Z-shaped rods (401) are pressed and matched with the blocking block (304) In cooperation, a sixth elastic member is fixedly connected between the transfer member (404) and the adjacent lower pressure frame (403), a seventh elastic member is fixedly connected between the transfer member (404) and the adjacent Z-shaped rod (401), the lower pressure frame (403) is rotatably connected with a roller (406), the symmetrically distributed rollers (406) are pressed and matched with each other, and the rollers (406) and the impact member (5) are pressed and matched, the first sleeve (2) is fixedly connected with a symmetrically distributed first limit plate (407), and the first limit plate (407) is pressed and matched with the adjacent transfer member (404).

5. The strength testing device for a semiconductor plastic package according to claim 4, characterized in that: The one-way switch assembly comprises a first pipe (501), the first pipe (501) being fixedly connected to the first sleeve (2), the two ends of the first pipe (501) being respectively connected to the two cavities of the first sleeve (2), the first sleeve (2) being fixedly connected to a second pipe (502), the second pipe (502) being provided with a one-way valve inside, the two ends of the second pipe (502) being respectively connected to the two cavities of the first sleeve (2), the first sleeve (2) being fixedly connected to symmetrically distributed fixed sliding rods (503), the symmetrically distributed fixed sliding rods (503) being slidably connected together with a limiting sliding plate (504), the limiting sliding plate (504) being fixedly connected to a blocking long rod (505), the blocking long rod (505) being slidably connected to the second pipe (502), the blocking long rod (505) being slidably connected to the first pipe (501), the blocking long rod (505) being slidably connected to the first pipe (501), the blocking long rod (505) being slidably connected to the first pipe (501), the blocking long rod (505) being slidably connected to the first pipe (501), the blocking long rod (505) being slidably connected to the first sleeve (2), and the blocking long rod (505) being slidably connected to the first sleeve (2). The first pipe (501) and the second pipe (502) are both blocked and matched. An eighth elastic member is fixedly connected between the first sleeve (2) and the limiting sliding plate (504). The first sleeve (2) is fixedly connected to a fourth sleeve (508). The fourth sleeve (508) is slidably connected to a blocking sliding rod (509). The blocking sliding rod (509) is slidably connected to the first pipe (501). The blocking long rod (505) is blocked and matched with the first pipe (501). The C-shaped frame (1) is fixedly connected to a fifth sleeve (511) via a round rod. The fourth sleeve (508) and the fifth sleeve (511) are connected via a pipe. The fifth sleeve (511) is slidably connected to a third limiting member (512). A ninth elastic member is fixedly connected between the fifth sleeve (511) and the third limiting member (512). The third limiting member (512) is pressed and matched with the sliding block (308).

6. A semiconductor plastic package strength testing device according to claim 5, characterized in that: The device also includes a clamping and positioning mechanism, which is used to center the plastic package on the holding plate (3), and the clamping and positioning mechanism includes a sixth sleeve (701), the sixth sleeve (701) is fixedly connected to the C-shaped frame (1), the sixth sleeve (701) is slidably connected to a first sliding rod (702), the first sliding rod (702) is fixedly connected to the movable plate (7), and a seventh sleeve (703) is fixedly connected to the side wall of the C-shaped frame (1), and the seventh sleeve (703) is slidably connected to the sixth sleeve (701) are connected by a pipeline, the seventh sleeve (703) is slidably connected to the second slide bar (704), the second slide bar (704) is slidably connected to the first sleeve (2), the second slide bar (704) is fixedly connected to a rack (705) on the side away from the seventh sleeve (703), the spline rod (10) is spline-connected to a gear (706), the gear (706) is meshed with the rack (705), the spline rod (10) is rotatably connected to a retaining meshing plate (707), the retaining plate (707) is fixedly ... the side away from the seventh sleeve (703), the spline rod (10) is spline-connected to a gear (706), the gear (706) is meshed with the rack (705), the spline rod (10) is rotatably connected to a retaining meshing plate (707), the retaining plate (707) is fixedly connected to the first sleeve (2), the second slide bar (704) is fixedly connected to the side away from the seventh sleeve (703), the second slide bar (704) is fixedly connected to the rack (705) The meshing plate (707) is slidably connected to the rack (705); the spline rod (10) is fixedly connected to a rotating plate (708); the spline rod (10) is rotatably connected to the support rod (9); the rotating plate (708) is slidably connected to circumferentially distributed rotating rods (709); the rotating rods (709) are extruded and matched with the rotating plate (708); the rotating rods (709) are slidably connected to a T-shaped clamping rod (710); the T-shaped clamping rod (710) is slidably connected to the containing plate (3); A tenth elastic member is fixedly connected between the T-shaped clamping rod (710) and the adjacent rotating rod (709); the T-shaped clamping rod (710) passes through the containing plate (3) and is slidably connected thereto; a size detection component is arranged inside the first sleeve (2); the size detection component is used to detect the size of the plastic package between the T-shaped clamping rods (710); an impact plate adjustment component is arranged on the lower side of the impact member (5); the impact plate adjustment component is used to adjust the impact cross-section size of the impact member (5).

7. A semiconductor plastic package strength testing device according to claim 6, characterized in that: The size detection assembly comprises an eighth sleeve (802), the eighth sleeve (802) being fixedly connected to the first sleeve (2) via an L-shaped bracket, the eighth sleeve (802) being slidably connected to a third slide bar (803), the T-shaped clamping rod (710) on the side of the L-shaped bracket close to the eighth sleeve (802) being fixedly connected to a fourth slide bar (804), the fourth slide bar (804) being slidably connected to a ninth sleeve (805), the ninth sleeve (805) being fixedly connected to the containing plate (3), the ninth sleeve (805) being slidably connected to the third slide bar (803), A sleeve (2) is slidably connected, the ninth sleeve (805) is connected to the eighth sleeve (802) through a pipeline, the T-shaped clamping rod (710) on the side away from the threaded rod (6) is fixedly connected to a fifth sliding rod (806), the fifth sliding rod (806) is slidably connected to a tenth sleeve (807), the tenth sleeve (807) is fixedly connected to the containing plate (3), the tenth sleeve (807) is slidably connected to the first sleeve (2), and the tenth sleeve (807) is connected to the eighth sleeve (802) through a pipeline.

8. The strength testing device for a semiconductor plastic package according to claim 7, characterized in that: The impact plate adjustment assembly comprises a first housing (901), the first housing (901) is slidably connected to the impact member (5), the impact member (5) is slidably connected to a second housing (902), the second housing (902) and the first housing (901) are both fixedly connected to a second limit plate (903), the second limit plate (903) and the impact member (5) are limitedly matched, the second limit plate (903) and the impact member (5) are slidably connected, the second limit plate (903) and the third slide bar (803) are pressed together, the impact member (5) is fixedly connected to a limit anti-rotation plate (904), the limit anti-rotation plate (904) is fixedly connected to A position-limiting anti-rotation rod (905) is slidably connected to a symmetrically distributed inclined telescopic cylinder (906), an eleventh elastic member is fixedly connected between the inclined telescopic cylinder (906) and the position-limiting anti-rotation rod (905), the inclined telescopic cylinder (906) is slidably connected to a telescopic inclined plane (908), the telescopic inclined plane (908) is position-limitingly matched with the adjacent second position-limiting plate (903), a twelfth elastic member is fixedly connected between the telescopic inclined plane (908) and the adjacent inclined telescopic cylinder (906), and a reset rod (910) is fixedly connected to the C-shaped frame (1), and the inclined telescopic cylinder (906) is extrusion-matched with the reset rod (910).

9. A semiconductor plastic package strength testing device according to claim 8, characterized in that: The elastic force of the twelfth elastic member between the telescopic inclined surface (908) and the adjacent inclined telescopic cylinder (906) is greater than the impact force of the impact member (5) on the plastic package body.

10. The strength testing device for a semiconductor plastic package according to claim 8, characterized in that: The lower side surfaces of the first shell (901) and the second shell (902) are flush with the lower side surface of the impact member (5).

Images