Portable chip pressing device

Abstract

The utility model provides a portable chip pressing device, which comprises a supporting seat, a base, a connector, a pressing rod and a pressing unit, the base is separably connected with the supporting seat, the connector is arranged at the bottom of the base, an accommodating position is formed between the connector and the base, the pressing rod is rotationally arranged on the supporting seat, and the pressing unit is arranged on the pressing rod. The first end, close to the rotating axis of the pressing rod, of the pressing rod is provided with a first pressing arc angle and a second pressing arc angle, the pressing rod is provided with a decompression position and a pressing position, the pressing unit is movably connected with the supporting base in the height direction of the supporting base, and the pressing unit is provided with a follower wheel. The follower wheel is switched from meshing with the first arc pressing angle to meshing with the second arc pressing angle, and the pressing unit is forced to move towards the base. The chip detection system is provided with the portable chip pressing device, and the portable chip pressing device is convenient to operate, labor-saving, long in service life and good in chip pressing stability.

Description

Technical Field

[0001] The utility model relates to the technical field of chip detection, in particular to a portable chip pressing device. Background Art

[0002] Chips need to be tested for performance before leaving the factory. One of the existing testing methods is to use automated or semi-automated chip pressing devices to test them; however, this method has obvious shortcomings. For example, the equipment is large and inconvenient to move, and testing can only be carried out in specific locations. In addition, the equipment operation requirements are high, the process is complex, and the cost is high.

[0003] In view of this, portable chip pressing devices have been developed, such as Figure 1 and Figure 2 As shown, the portable chip pressing device 9 includes a main body 91, an operating unit 92, a connector 93, a base 94 and a pressing unit 95; buckles 911 are rotatably provided on opposite sides of the main body 91; the operating unit 92 includes a threaded pressing column 921 and an operating knob 922, the threaded pressing column 921 is threadedly connected to the screw hole on the main body 91, and the operating knob 922 is fixedly connected to the threaded pressing column 921; a buckling portion 941 is provided on the base 94 that cooperates with the buckle 911, the base 94 is installed on the connector 93, and a receiving position is formed between the base 94 and the connector 93 for accommodating the chip 90. When the chip 90 is placed in the receiving position, the chip 90 can establish communication with the connector 93; the pressing unit 95 includes an upper pressing block 951, a lower pressing block 952 and a spring 953, and the spring 953 is connected between the upper pressing block 951 and the lower pressing block 952. When the portable chip pressing device 9 detects the chip 90, the connector 93 is installed on the PCB board to establish communication with the PCB board, and then the chip 90 is placed in the accommodation position; then, at least a part of the lower pressing block 952 of the pressing unit 95 is placed in the accommodation position to fit with the chip 90; then, the main body 91 is pressed onto the upper pressing block 951 of the pressing unit 95, and the buckle 911 is engaged with the buckling part 941 on the base 94 to lock the main body 91 on the base 94; then, the operating knob 922 of the operating unit 92 is rotated so that the operating knob 922 controls the threaded pressing column 921 to squeeze the upper pressing block 951, and then the lower pressing block 952 is forced to be pressed on the chip 90 by the spring 953, and finally, the test instrument is started to detect the chip 90.

[0004] The portable chip pressing device 9 has the advantages of small size, portability, flexible use location, low operation requirements and low cost. However, the portable chip pressing device 9 has the following disadvantages:

[0005] First, since the operating unit 92 is connected to the main body 91 via a threaded structure, after the operating unit 92 is repeatedly twisted relative to the main body 91, the threaded structure is highly worn, which can easily affect the stability of the chip 90, making it easy for the chip 90 to have poor contact during testing.

[0006] Second, when the threaded pressing column 921 presses the upper pressing block 951 downward, it needs to overcome the elastic force of the spring 953 of the pressing unit 95. That is, the spring 953 will increase the friction between the threads, resulting in a greater turning force required to operate the operating knob 922, and will also accelerate the wear of the thread structure;

[0007] Third, the ability of ordinary screw thread structures to withstand axial forces is poor, resulting in the chip 90 being easily affected by vibrations, the elastic force of the spring 953, etc. during testing, resulting in poor contact stability between the chip 90 and the connector 93, affecting the detection accuracy. If a screw thread structure such as a trapezoidal, sawtooth, or rectangular shape is adopted, the manufacturing cost of the portable chip pressing device 9 will be increased, and the manufacturing difficulty will be increased.

[0008] Fourth, the structure and layout of the portable chip pressing device 9 are not conducive to configuring a cooling fan for the portable chip pressing device 9 , which results in an inability to better simulate actual usage conditions during chip 90 detection, affecting detection accuracy. Utility Model Content

[0009] In order to solve the above problems, the main purpose of the utility model is to provide a portable chip pressing device which is easy to operate, labor-saving, has a long service life and good chip pressing stability.

[0010] In order to achieve the main purpose of the utility model, the utility model provides a portable chip pressing device, including a support seat, a base and a connector, the base is detachably connected to the support seat, the connector is installed at the bottom of the base and forms an accommodating position between the base, wherein the portable chip pressing device also includes a pressure rod and a clamping unit, the pressure rod is rotatably installed on the support seat, the first end of the pressure rod close to its own rotation axis is provided with a first pressure arc angle and a second pressure arc angle, the pressure rod has a decompression position and a pressing position, the clamping unit is movably connected to the support seat in the height direction of the support seat, the clamping unit is provided with a follower wheel, when the pressure rod rotates from the decompression position to the pressing position, the follower wheel switches from engaging with the first pressure arc angle to engaging with the second pressure arc angle, and the clamping unit is forced to move toward the base.

[0011] As can be seen from the above, the rotation coordination of the pressure rod and the support seat enables the pressure rod to achieve a lever-like force arm effect when it is under pressure, thereby cooperating with the follower wheel to easily drive the clamping unit to move to the accommodating position, making it more labor-saving to operate the pressure rod; the first pressure arc angle and the second pressure arc angle on the pressure rod can act as a cam, and with the coordination of the first pressure arc angle and the follower wheel, the pressure rod in the decompression position can be in a suspended state, which makes it convenient for the user to manipulate the pressure rod to rotate to the pressing position, and the coordination of the second pressure arc angle and the follower wheel can lock the pressure rod to prevent insufficient pressing force on the chip or loosening of the chip due to the rotation of the pressure rod during the chip detection process, thereby ensuring the reliability and accuracy of the chip detection; furthermore, the structural design and layout of the portable chip pressing device also enable it to be configured with a cooling fan to better simulate the actual use conditions of the chip and improve the detection accuracy.

[0012] A further solution is that when the pressure rod is in the release position, the angle between the pressure rod and the height direction is between 30° and 60°; when the pressure rod is in the compression position, the pressure rod is perpendicular to the height direction.

[0013] As can be seen from the above, by designing the hovering angle of the pressure rod, it can be ensured that when the pressure rod drives the pressing unit, the pressure block has sufficient downward pressing stroke, thereby ensuring the reliability of chip pressing.

[0014] A preferred solution is that the first arc length of the first arc pressure angle is 1.8 to 2.2 times the second arc length of the second arc pressure angle; the radius corresponding to the first arc length and the radius corresponding to the second arc length are both equal to the radius of the follower wheel.

[0015] As can be seen from the above, the design of the relationship between the first arc pressure angle and the second arc pressure angle, on the one hand, enables the pressure rod to hover better in the desired position to facilitate the user to operate the pressure rod, and on the other hand, ensures that when the pressure rod is in the pressing position, the second arc pressure angle applies vertical accommodating pressure to the follower wheel, so that the pressure rod is in a self-locking state, and ensures that the pressing force of the clamping unit on the chip is moderate.

[0016] Another preferred solution is that there is a transition curved surface between the first arc pressing angle and the second arc pressing angle.

[0017] As can be seen from the above, the transition surface enables the pressing unit to move smoothly without jumping when the follower wheel switches between the first arc pressing angle and the second arc pressing angle, thereby ensuring the accuracy of the connection between the chip and the connector during the pressing process.

[0018] Another preferred solution is that there are two pressure rods, which are distributed on opposite sides of the support seat on the rotation axis, a connecting rod is connected between the second ends of the two pressure rods, and there are two follower wheels, which are distributed on opposite sides of the clamping unit on the rotation axis, and the two follower wheels correspond one-to-one to the two pressure rods; the length of the pressure rod is between 7 cm and 15 cm.

[0019] As can be seen from the above, the above design can ensure that the pressing unit applies uniform pressing force to the chip, avoid excessive or insufficient pressing force in some areas of the chip, and prevent the chip from being damaged during the pressing process.

[0020] Another preferred solution is that the base is provided with a guide surface at the entrance of the accommodating position; and / or one of the bottom of the support seat and the top of the base is provided with a positioning hole and the other is provided with a positioning pin, and the positioning pin can be inserted into the positioning hole.

[0021] As can be seen from the above, the guide surface can guide the clamping unit to accurately enter the accommodating position; the design of the positioning hole and the positioning pin makes the docking of the support seat and the base more convenient, quick and accurate.

[0022] Another preferred solution is that buckles are rotatably provided on the opposite sides of the support seat, and a buckle portion is provided on the base to cooperate with the buckle; an elastic member is provided between the buckle and the support seat, and the elastic member forces the claw of the buckle to rotate toward the pressing portion of the clamping unit, and / or an ear is provided at one end of the buckle away from the pressing portion of the clamping unit, and the ear extends back to the support seat.

[0023] As can be seen from the above, the elastic member can ensure that the buckle is securely fastened to the buckle portion of the base, ensuring the reliability of the chip press fit; the arrangement of the ear portion on the buckle makes it easier for the user to operate the buckle and rotate it.

[0024] A further solution is that the clamping unit includes a follower frame, a pressure block, a first buffer assembly and a second buffer assembly. The follower frame is slidably connected to the support seat in the height direction. The follower frame is provided with a follower wheel. The pressure block is slidably connected to the follower frame in the height direction. The pressure block has a pressing portion. The first buffer assembly is arranged between the follower frame and the support seat, and the second buffer assembly is arranged between the follower frame and the pressure block.

[0025] As can be seen from the above, this design also ensures that the pressing force applied by the pressing unit to the chip is moderate, which not only ensures that the chip is reliably pressed, but also avoids damage to the chip due to excessive pressing force.

[0026] A further solution is that the portable chip pressing device also includes a fan unit and a fixing frame. The fan unit is installed on the support base, and the support base is located between the fan unit and the pressing unit. The support base is provided with an avoidance opening that penetrates itself in the height direction. The pressing block also has a heat dissipation part, which passes through the follower frame and into the avoidance opening. The base and the connector are both connected to the fixing frame.

[0027] As can be seen from the above, the fan unit can dissipate heat for the pressing block, ensuring effective heat dissipation during chip testing, so as to better simulate the actual working conditions of the chip and improve the accuracy of chip testing.

[0028] A further solution is that the heat dissipation portion includes a plurality of heat dissipation fins distributed in parallel, and a ventilation slot is formed between two adjacent heat dissipation fins.

[0029] As can be seen from the above, this design can improve the heat dissipation effect of the pressure block on the chip. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a structural diagram of an existing portable chip pressing device.

[0031] Figure 2 It is an exploded view of an existing portable chip pressing device.

[0032] Figure 3 This is a structural diagram of an embodiment of the portable chip pressing device of the present invention when the pressing rod is in the decompression position.

[0033] Figure 4 This is an exploded view of an embodiment of the portable chip pressing device of the present utility model.

[0034] Figure 5 This is a structural diagram of the first embodiment of the portable chip pressing device of the present invention after omitting some components.

[0035] Figure 6 This is a structural diagram of a pressing rod and a connecting rod of an embodiment of a portable chip pressing device of the present utility model.

[0036] Figure 7 This is a structural diagram of the second embodiment of the portable chip pressing device of the present invention after omitting some components.

[0037] Figure 8 This is a structural diagram of an embodiment of the portable chip pressing device of the present invention when the pressing rod is in the pressing position.

[0038] Figure 9 This is a diagram showing the connection structure between the base and the connector of an embodiment of the portable chip pressing device of the present utility model.

[0039] Figure 10 This is a diagram showing the connection structure of the connector, PCB board and fixing frame of an embodiment of the portable chip pressing device of the present invention.

[0040] The present invention will be further described below with reference to the accompanying drawings and embodiments. DETAILED DESCRIPTION

[0041] Portable chip pressing device embodiment

[0042] Reference Figure 3 and Figure 4 The portable chip pressing device 100 includes a support base 1, a pressing rod 2, a pressing unit 3, a base 4, a connector 5, a fan unit 6 and a fixing frame 7.

[0043] Combine Figure 5 , buckles 11 are provided on opposite sides of the support base 1. Since the support base 1 is supported by a metal material in this embodiment, the buckles 11 are rotatably connected to the support base 1 via a rotating shaft, so that the claws 111 of the two buckles 11 can rotate toward or away from each other. Preferably, an end of the buckle 11 away from the claws 111 (i.e., away from the pressing portion 321 described below) is provided with an ear 112, which extends away from the support base 1. The provision of the ear 112 makes it easier for the user to operate the buckle 11 for rotation. The support base 1 is fixedly connected or separated from the base 4 by the two buckles 11. To ensure the reliability of the connection between the buckle 11 and the base 4, an elastic member is further provided between the buckle 11 and the support base 1. The elastic member is used to force the claws 111 of the two buckles 11 to rotate toward each other (i.e., toward the pressing portion 321 described below), thereby firmly buckling on the base 4 and preventing the buckle 11 from detaching from the base 4 without human operation, thereby ensuring the stability and accuracy of the chip 10 during detection.

[0044] Combine Figure 6 The pressure rod 2 is rotatably mounted on the support seat 1, wherein the first end of the pressure rod 2 close to its own rotation axis is provided with a first arc angle 21 and a second arc angle 22; and the pressure rod 2 has a decompression position (such as Figure 3 The position of the middle pressure rod 2) and the pressing position (such as Figure 8 The position of the intermediate pressure rod 2).

[0045] Combine Figure 7 The pressing unit 3 is connected to the support base 1. Specifically, the pressing unit 3 includes a follower frame 31, a pressure block 32, a first buffer assembly 33, and a second buffer assembly 34. The follower frame 31 is located below the support base 1, that is, between the support base 1 and the base 4. The follower frame 31 is slidably connected to the support base 1 in the height direction Z of the support base 1, allowing the support base 1 to move relative to the follower frame 31. The follower frame 31 is slidably connected to the support base 1 via a first buffer assembly 33, wherein the first buffer assembly 33 includes a plurality of first bolts 331 and a plurality of first compression springs 332. In this embodiment, there are four first bolts 331 and four first compression springs 332. The follower frame 31 is a generally rectangular frame. The four first bolts 331 are distributed at the four corners of the follower frame 31 and are slidably connected to the four corresponding through holes on the support base 1. The first compression springs 332 are mounted on the first bolts 331 and abut between the support base 1 and the follower frame 31. It is understood that in some embodiments, the first compression springs 332 can be partially mounted on the first bolts 331 (such as the arrangement of the second compression springs 342 described below); in some embodiments, the first compression springs 332 can also be replaced with elastic cylinders.

[0046] The follower frame 31 is provided with a follower wheel 311 at the first end of the pressure rod 2. The follower wheel 311 can engage with either the first arc pressing angle 21 or the second arc pressing angle 22. In some embodiments, the follower wheel 311 can be fixedly connected to the follower frame 31, meaning that the follower wheel 311 cannot rotate relative to the follower frame 31. In some embodiments, the follower wheel 311 can also be rotatably connected to the follower frame 31. This design can reduce friction during the switching between engagement of the follower wheel 311 with the first arc pressing angle 21 and the second arc pressing angle 22, making rotation of the pressure rod 2 more effortless.

[0047] The pressure block 32 is slidably connected to the follower frame 31 in the height direction Z, allowing the pressure block 32 to move relative to the follower frame 31. The pressure block 32 is located below the follower frame 31, that is, between the follower frame 31 and the base 4. The pressure block 32 is slidably connected to the follower frame 31 via a second buffer assembly 34, wherein the second buffer assembly 34 includes a plurality of second bolts 341 and a plurality of second compression springs 342. The cam 342 is provided with a plurality of latches 346 which are fixed to the latch 348 and the plurality of latches 347 are provided with latching means 348 of the plurality of latches 348 are provided with latching means 349 of the plurality of latches 349. Similarly, in some embodiments, the second compression spring 342 may be an elastic column. In some embodiments, the number of second compression springs 342 may be equal to the number of second bolts 341, with one second compression spring 342 being sleeved onto one second bolt 341. The pressure block 32 has a compression portion 321 that protrudes toward the base 4. It is understood that in some embodiments, the second buffer assembly 34 may be eliminated, and the follower frame 31 and the pressure block 32 may be integrally formed.

[0048] The pressing rod 2 is used to control the movement of the pressing unit 3 toward the base 4 to press the chip 10, so that the chip 10 is securely fixed to the connector 5 and maintains stable communication with the connector 5. When the pressing rod 2 rotates from the release position to the pressing position, the follower wheel 311 switches from engaging with the first pressing angle 21 to engaging with the second pressing angle 22, and the pressing unit 3 is forced to move toward the base 4.

[0049] It is understood that when the pressure rod 2 is in the release position, the first pressure arc angle 21 is engaged with the follower wheel 311, and at this time, the pressure rod 2 is suspended at a position with a non-zero angle with the height direction Z. Preferably, when the pressure rod 2 is in the release position, the angle a between the pressure rod 2 and the height direction Z is between 30° and 60°; setting the angle a within 60° can ensure that when the pressure rod 2 drives the clamping unit 3, the pressure block 32 has sufficient downward stroke to ensure the reliability of clamping the chip 10; setting the angle a above 30° can provide the user with sufficient operating space when operating the pressure rod 2, so that the user's fingers can pass through the area between the connecting rod 24 and the cooling fan 62 (see below), avoiding interference with the user's operation of the pressure rod 2, and being more ergonomic. In this embodiment, the angle a is preferably 45°, which is convenient for both controlling the downward pressure of the pressure rod 2 and for fastening or separating the buckle 11 from the base 4.

[0050] When the pressure rod 2 is in the pressing position, the second pressing arc angle 22 is engaged with the follower wheel 311; preferably, as Figure 8 As shown, when the pressure rod 2 is in the pressing position, the pressure rod 2 is perpendicular to the height direction Z, so that the pressure rod 2 can be in a self-locking state, ensuring that the pressure rod 2 will not loosen or move during the chip 10 detection process, thereby ensuring that the chip 10 is reliably pressed on the connector 5 and establishes stable communication with the connector 5, thereby ensuring the stability and accuracy of the chip 10 detection.

[0051] Furthermore, in this embodiment, there are two pressure rods 2, which are located on opposite sides of the support base 1 along their respective rotational axes. A connecting rod 24 is connected between the second ends of the two pressure rods 2, forming a gantry-like structure. Accordingly, there are also two follower wheels 311, which are located on opposite sides of the follower frame 31 along the rotational axes of the pressure rods 2. This ensures a one-to-one correspondence between the two follower wheels 311 and the two pressure rods 2. By designing the number of pressure rods 2, the number of follower wheels 311, and the connecting rods 24, a user can simultaneously manipulate the two pressure rods 2 to engage the follower wheels 311 through the connecting rods 24. Consequently, the two pressure rods 2 and the follower wheels 311 cooperate to cause the pressure block 32 to apply a uniform pressing force to the chip 10, preventing excessive or insufficient pressing force in certain areas of the chip 10, which could damage the chip 10 during the pressing process. Preferably, the distribution direction of the two follower wheels 311 is perpendicular to the distribution direction of the two groups of second compression springs 342 to better balance the pressing force, so that the pressing block 32 applies a uniform pressing force to the chip 10 .

[0052] Furthermore, the length of the pressure rod 2 is preferably between 7 cm and 15 cm. From the above, it can be seen that the two pressure rods 2 and the connecting rod 24 form a gantry-like structure for the user's fingers to pass through. By designing the length of the pressure rod 2, on the one hand, it can be ensured that the two pressure rods 2 and the connecting rod 24 form an inner space area to avoid the user's fingers and the fan unit 6, thereby avoiding the pressure rod 2 from interfering with the fan unit 6, the support base 1, etc. when the user operates the connecting rod 24 due to its too short length; on the other hand, it can also avoid the portability of the portable chip pressing device 100 being affected by the excessive length of the pressure rod 2.

[0053] Furthermore, the first arc length L1 of the first arc-pressing angle 21 is designed to be 1.8 to 2.2 times the second arc length L2 of the second arc-pressing angle 22. For example, in this embodiment, the first arc length L1 is approximately twice the second arc length L2. By designing the relationship between the first arc-pressing angle 21 and the second arc-pressing angle 22, the pressure rod 2 can be better hovered in the desired position to facilitate user operation of the pressure rod 2. Furthermore, when the pressure rod 2 is in the pressing position, the second arc-pressing angle 22 applies pressure to the follower wheel 311 in the vertical receiving position 41 (see below), placing the pressure rod 2 in a self-locking state and ensuring that the pressing force of the pressure block 32 on the chip 10 is moderate.

[0054] For example, when the pressure rod 2 is in the decompression position, under the meshing action of the first arc pressure angle 21 and the follower wheel 311, the first arc pressure angle 21 can be well stuck on the follower wheel 311 to ensure that the pressure rod 2 remains in a hovering position, which is convenient for the user to hold it through the inner space area surrounded by the two pressure rods 2 and the connecting rod 24 without interfering with other components; when the pressure rod 2 is in the pressing position, under the meshing action of the second arc pressure angle 22 and the follower wheel 311, the second arc pressure angle 22 can generate a pressure vertical to the follower wheel 311 in the height direction Z, ensuring that the pressure block 32 can reliably press the chip 10. If the second arc length L2 is too long, the pressing force will be tilted to the side, which will make it difficult for the pressure rod 2 to remain in a horizontal position (perpendicular to the height direction Z).

[0055] In addition, the radius corresponding to the first arc length L1 and the radius corresponding to the second arc length L2 are preferably equal to the radius of the follower wheel 311. The radius design of the first arc pressure angle 21, the second arc pressure angle 22 and the follower wheel 311 enables the first arc pressure angle 21 to better engage with the follower wheel 311, ensuring that the pressure rod 2 is stably in a hovering state, which is convenient for the user to operate the pressure rod 2 to rotate to the pressing position. The second arc pressure angle 22 is better engaged with the follower wheel 311, ensuring that the pressure rod 2 is in a self-locking state, avoiding the chip 10 detection process due to the loosening of the pressure rod 2, resulting in insufficient pressing force of the pressure block 32 on the chip 10, or the loosening of the chip 10 resulting in poor contact with the connector 5, thereby ensuring the detection accuracy of the chip 10. It can be understood that the distance between the center of the first arc length L1 and the rotation axis of the pressure rod 2 is smaller than the distance between the center of the second arc length L2 and the rotation axis of the pressure rod 2, thereby ensuring that when the pressure rod 2 rotates from the decompression position to the pressing position, after the follower wheel 311 switches from engaging with the first arc pressure angle 21 to engaging with the second arc pressure angle 22, the pressure rod 2 can force the pressure block 32 to move toward the chip 10.

[0056] Furthermore, a transition surface 23 is provided between the first arc pressing angle 21 and the second arc pressing angle 22. The transition surface 23 enables the follower frame 31 and the pressing block 32 to move smoothly without jumping when the follower wheel 311 switches to engage with the first arc pressing angle 21 and the second arc pressing angle 22, so as to avoid the pins of the chip 10 and the pins of the connector 5 from being misaligned during the pressing process, thereby avoiding errors in the detection of the chip 10 and / or damage to the pins of the chip 10 and the connector 5; and it can avoid and ensure that the pins of the chip 10 will not collide with the connector 5 due to the instantaneous jump of the clamping unit 3 during the disassembly process (the jump may cause the chip 10 to detach from the connector 5 and then fall toward the connector 5, thereby colliding with the connector 5, misaligning the pin connections, etc.), thereby preventing the chip 10 from being damaged during detection.

[0057] Combine Figure 9 As can be seen from the above, the base 4 is used to cooperate with the buckle 11 on the support base 1. Specifically, the buckle 42 on the base 4 is used to cooperate with the claw 111 of the buckle 11, so that the claw 111 of the buckle 11 can be tightly buckled on the buckle 42, thereby reliably fixing the support base 1, the clamping unit 3, etc. on the base 4, ensuring the pressing effect of the clamping unit 3 on the chip 10.

[0058] Preferably, one of the bottom of the support seat 1 and the top of the base 4 is provided with a positioning hole 43, and the other is provided with a positioning pin 12, and the positioning pin 12 can be inserted into the positioning hole 43; for example, in this embodiment, the bottom of the support seat 1 is provided with a positioning pin 12, and the top of the base 4 is provided with a positioning hole that cooperates with the positioning pin 12; this design enables the support seat 1 and the base 4 to be quickly aligned when the support seat 1 and the base 4 are assembled, and makes the docking of the claw portion 111 of the buckle 11 and the buckling portion 42 of the base 4 more convenient, quick and accurate.

[0059] Combine Figure 10 Connector 5 is used to electrically connect PCB 8 and chip 10. When portable chip pressing device 100 is in use, base 4 and connector 5 are secured to PCB 8 via fixing bracket 7. Fixing bracket 7 is located on the back side of PCB 8, while base 4 and connector 5 are located on the upper side of PCB 8. Base 4 and connector 5 are connected to fixing bracket 7 via connectors (e.g., bolts). Fixing bracket 7 can be used to secure the cable connected to the tester. Connector 5 can be electrically connected to the tester via PCB 8 or directly via a cable.

[0060] Connector 5 is mounted on the bottom of base 4, and a receiving area 41 is formed between connector 5 and base 4. This receiving area 41 is used to accommodate chip 10 and enable chip 10 to establish communication with connector 5. When pressure block 32 is pressed downward, the pressing portion 321 of pressure block 32 enters receiving area 41 and applies a pressing force to chip 10, forcing chip 10 to rest against connector 5. Preferably, base 4 is provided with a guide surface 411 at the entrance of receiving area 41. When pressing portion 321 moves into receiving area 41, guide surface 411 can guide pressing portion 321 accurately into receiving area 41 and prevent damage to pressing portion 321 and / or base 4.

[0061] Furthermore, one of the bottom of the base 4 and the top of the connector 5 is provided with a second positioning hole 44, and the other is provided with a second positioning pin 51. As in this embodiment, the second positioning hole 44 is provided at the bottom of the base 4, and the second positioning pin 51 is provided at the top of the connector 5; this design enables the bottom of the base 4 and the connector 5 to be quickly aligned and connected during assembly.

[0062] To effectively dissipate heat during chip 10 testing, better simulate the actual operating conditions of chip 10, and improve chip 10 testing accuracy, the pressing block 32 also has a heat dissipation portion 322. A relief opening 13 is provided on the support base 1. The relief opening 13 extends through the support base 1 in the height direction Z, and the heat dissipation portion 322 passes through the follower frame 31 and the relief opening 13. Furthermore, a fan unit 6 is provided to assist the pressing block 32 in dissipating heat from the chip 10. The fan unit 6 includes a bracket 61 and a fan 62. The bracket 61 is mounted on the top of the support base 1, and the fan 62 is mounted on the bracket 61 and is positioned toward the heat dissipation portion 322. Preferably, the air outlet of the fan 62 is positioned toward the heat dissipation portion 322. The fan 62 is preferably connected directly to an external power supply or tester via a cable, eliminating the need for a built-in power supply in the portable chip pressing device 100 and improving the portability of the portable chip pressing device 100.

[0063] Furthermore, the heat dissipation portion 322 includes a plurality of heat dissipation fins 3221 arranged in parallel, and a ventilation slot 3222 is formed between two adjacent heat dissipation fins 3221 to enhance the heat dissipation effect of the pressing block 32 on the chip 10 .

[0064] From the above, it can be seen that, firstly, the pressure rod 2 is rotatably connected to the support seat 1 to form a lever structure, which, in combination with the follower frame 31 and the follower wheel 311, can effectively reduce the force required to drive the pressure block 32 to move to the accommodating position 41 by means of the lever arm effect, allowing the operator to save more effort when operating the pressure rod 2, and significantly improving the convenience of operation. Secondly, the first arc pressing angle 21 and the second arc pressing angle 22 on the pressure rod 2 act as cams. When the pressure rod 2 is in the decompression position, the first arc pressing angle 21 cooperates with the follower wheel 311 to make the pressure rod 2 hover stably, making it convenient for the user to easily rotate the pressure rod 2 to the pressing position; and in the pressing position, the second arc pressing angle 22 cooperates with the follower wheel 311 to lock the pressure rod 2, avoiding insufficient pressing force or loosening of the chip 10 due to accidental rotation of the pressure rod 2 during the chip 10 detection process, ensuring stable detection of the chip 10 and ensuring the reliability and accuracy of the detection results; furthermore, the sliding connection between the follower frame 31 and the support seat 1 in the pressing unit 3, and the pressing block 32 and the follower frame 31 The sliding connection, as well as the arrangement of the first buffer component 33 and the second buffer component 34, form a two-level buffer structure, so as to achieve smooth force transmission during the pressing process, and effectively avoid the instantaneous impact force of the pressing block 32 on the chip 10 through elastic buffering, thereby playing a good role in protecting the chip 10 and improving the safety of the pressing operation; in addition, the overall structural design of the portable chip pressing device 100 is compact and the layout is reasonable. While taking into account portability, it provides sufficient space for the installation of the fan unit 6. By configuring the fan unit 6, it can better simulate the working conditions of the chip 10 during actual use, reduce the impact of environmental differences on the detection results, and further improve the accuracy of chip 10 detection.

[0065] Finally, it should be emphasized that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various changes and modifications. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A portable chip pressing device comprising: Support seat; a base, the base being detachably connected to the support base; A connector, the connector being mounted on the bottom of the base and forming a receiving position between the connector and the base; Characterized in that, the portable chip pressing device further comprises: A pressure rod, the pressure rod is rotatably mounted on the support seat, the first end of the pressure rod close to its own rotation axis is provided with a first pressure arc angle and a second pressure arc angle, and the pressure rod has a decompression position and a compression position; A clamping unit, wherein the clamping unit is movably connected to the support seat in the height direction of the support seat, and the clamping unit is provided with a follower wheel. When the pressure rod rotates from the decompression position to the pressing position, the follower wheel switches from engaging with the first arc pressure angle to engaging with the second arc pressure angle, and the clamping unit is forced to move toward the base.

2. The portable chip pressing device according to claim 1, characterized in that: When the pressure rod is in the decompression position, the angle between the pressure rod and the height direction is between 30° and 60°; When the pressing rod is in the pressing position, the pressing rod is perpendicular to the height direction.

3. The portable chip pressing device according to claim 2, characterized in that: A first arc length of the first arc pressing angle is 1.8 to 2.2 times a second arc length of the second arc pressing angle; The radius corresponding to the first arc length and the radius corresponding to the second arc length are both equal to the radius of the follower wheel.

4. The portable chip pressing device according to claim 2, characterized in that: A transition curved surface is provided between the first arc pressing angle and the second arc pressing angle.

5. The portable chip pressing device according to claim 2, characterized in that: There are two pressure rods, which are distributed on opposite sides of the support seat on the rotation axis, and a connecting rod is connected between the second ends of the two pressure rods. There are two follower wheels, which are distributed on opposite sides of the pressing unit on the rotation axis, and the two follower wheels correspond one to one with the two pressure rods; The length of the pressure rod is between 7 cm and 15 cm.

6. The portable chip pressing device according to claim 2, wherein: The base is provided with a guide surface at the entrance of the accommodation position; and / or One of the bottom of the support seat and the top of the base is provided with a positioning hole, and the other is provided with a positioning pin, and the positioning pin can be inserted into the positioning hole.

7. The portable chip pressing device according to claim 2, characterized in that: Buckles are rotatably provided on opposite sides of the support seat, and a buckle portion is provided on the base to be engaged with the buckle; An elastic member is provided between the buckle and the support seat, and the elastic member forces the claw of the buckle to rotate toward the pressing portion of the pressing unit, and / or An ear is provided at one end of the buckle away from the pressing portion of the pressing unit, and the ear extends away from the supporting seat.

8. The portable chip pressing device according to any one of claims 1 to 7, characterized in that: The clamping unit includes a follower frame, a pressure block, a first buffer assembly and a second buffer assembly. The follower frame is slidably connected to the support seat in the height direction. The follower frame is provided with the follower wheel. The pressure block is slidably connected to the follower frame in the height direction. The pressure block has a pressing portion. The first buffer assembly is provided between the follower frame and the support seat, and the second buffer assembly is provided between the follower frame and the pressure block.

9. The portable chip pressing device according to claim 8, characterized in that: The portable chip pressing device further comprises: A fan unit, the fan unit being mounted on the support base, the support base being located between the fan unit and the pressing unit, the support base being provided with a relief opening penetrating the support base in the height direction, the pressing block further comprising a heat dissipation portion passing through the follower frame and penetrating the relief opening; A fixing frame, the base and the connector are both connected to the fixing frame.

10. The portable chip pressing device according to claim 9, characterized in that: The heat dissipation portion includes a plurality of heat dissipation fins distributed in parallel, and a ventilation slot is formed between two adjacent heat dissipation fins.

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