CN213337278U - Thrust testing mechanism - Google Patents
Thrust testing mechanism Download PDFInfo
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- CN213337278U CN213337278U CN202021280345.4U CN202021280345U CN213337278U CN 213337278 U CN213337278 U CN 213337278U CN 202021280345 U CN202021280345 U CN 202021280345U CN 213337278 U CN213337278 U CN 213337278U
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Abstract
本实用新型提供一种推力测试机构，用于对PCB板上的贴片元件进行推力测试，其特征在于：包括底板(1)、安装于底板上的基板夹持装置及测试组件，其中，基板夹持装置包括基板承载板(4)，基板承载板(4)为两端定位结构，两基板承载板通过导轨连接；测试组件包括测试头(15)和测试头的推进装置，测试头的推进装置为丝杆传动结构，测试头(15)上开设有腰型槽(151)，用以彻底解决了测试数据不稳定、测试效率低下、测试仪器有损坏风险、要求测量者技能水平极高等问题。
The utility model provides a thrust testing mechanism, which is used for thrust testing of patch components on a PCB board, which is characterized by comprising a base plate (1), a base plate clamping device mounted on the base plate, and a test assembly, wherein the base plate is The clamping device comprises a substrate carrier plate (4), the substrate carrier plate (4) is a two-end positioning structure, and the two substrate carrier plates are connected by a guide rail; the test assembly comprises a test head (15) and a propulsion device of the test head, and the propulsion of the test head The device is a screw drive structure, and the test head (15) is provided with a waist-shaped groove (151), which completely solves the problems of unstable test data, low test efficiency, the risk of damage to the test instrument, and the requirement of high skill level of the measurer. .
Description
Technical Field
The utility model relates to a PCB board thrust test fixture's the relevant field of mechanical structure is applicable to the power trade and even the thrust test behind the whole electron trade PCB board paster, can accurate quick measurement components and parts adhesive force on the base plate, can realize the quick test of not equidimension PCB board and not high components and parts simultaneously.
Background
In the electronic industry, the thrust test is widely applied to the test of components after mounting, and is particularly suitable for the red glue process. The electronic thrust tester purchased in the current market has no support for supporting and needs a professional to hold the thrust meter for thrust testing, and the test result is very unstable.
There are several problems during the entire thrust test:
1. in the process of thrust test operation, the tester is not fixed, and the operator completely holds the equipment by hands, so that the requirement on the operating skill level of the operator is extremely high;
2. the measured data is very unstable because the thrusting meter and the tested substrate are always in a free state;
3. in the thrust test process, when the height of the surface mounted device is different, the test heads of the thrustmeter are required to be switched, so that the test efficiency is low;
4. the thrust tester belongs to a precise instrument, and because the thrust meter is not fixed, the risk of damaging the instrument by falling in the test process of holding the thrust meter by a single hand is caused;
therefore, in order to solve the problems of inaccurate test data, low test efficiency, damage risk of a test instrument, extremely high skill level required by a measurer and the like, a mechanism capable of assisting the operation of the thrust tester is urgently needed. Simultaneously, the problems are thoroughly solved: inaccurate test data, low test efficiency, damage risk of a test instrument, extremely high skill level of a measurer, and the like.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model discloses an it glues thrust test to realize quick adjustment's PCB board on red, has thoroughly solved that thrust test data is unstable, efficiency of software testing is low, the test instrument has the damage risk, requires the person's of measurement skill level high scheduling problem.
In order to achieve the above object, the utility model adopts the following technical scheme:
a thrust test mechanism comprising: the device comprises a bottom plate (1), a guide rail connecting plate (2), a double-slider linear guide rail (3), a substrate bearing plate (4), a locking nut (5), a guide shaft support (6), a support with a bearing (7), a hand wheel (8), a screw rod (9), a thrustmeter connecting plate (10), an oil-free bush fixing seat assembly (11), a foot pad (12), a screw rod connecting nut (13), a screw rod support (14), a thrustmeter testing head (15), a testing head connecting shaft (16) and a guide shaft (17); the double-slider linear guide rail (3), the guide shaft support (6), the support with the bearing (7) and the foot pad (12) are connected to the bottom plate (1) through screws; the guide shaft (17) is connected with the guide shaft support (6); the screw rod (9) is connected with the bearing support (7) with the bearing; the thrust gauge connecting plate (10), the oilless bushing fixing seat assembly (11) and the lead screw connecting nut (13) are assembled into a whole, and then are assembled on the lead screw (9) and the guide shaft (17) and can slide smoothly; the hand wheel (8) is arranged at the tail end of the screw rod (9) and is locked by a screw; the guide rail connecting plate (2) is arranged on the double-slider linear guide rail (3) and slides along with the sliders; the substrate bearing plate (4) is arranged on the guide rail connecting plate (2) and is used for bearing the PCB substrate; the locking nut (5) locks the guide rail connecting plate (2) to adjust the stroke of the guide rail sliding block; and a thrust gauge testing head (15) and a testing head connecting shaft (16) are fixed on the thrust gauge for testing the thrust of the device.
Preferably, the bottom plate (1) is of a structure similar to a Chinese character pin, screw holes are formed in corresponding positions of the bottom plate (1) and used for fixing the double-slider linear guide rail (3), the guide shaft support (6), the support seat (7) with the bearing and the foot pad (12), and all devices are fixed on the bottom plate (1) to form a complete integral structure; meanwhile, in order to reduce the weight of the whole structure, a weight-reducing square hole is formed in the bottom plate (1).
Preferably, two double-slider linear guide rails (3) are installed on the bottom plate (1), the guide rail connecting plates (2) are installed on the sliders of the double-slider linear guide rails (3) through screws and are divided into two blocks on the left and the right, and two locking nuts (5) are arranged at the tail ends of the guide rail connecting plates (2). The sliding block can move left and right on the guide rail, and when the sliding block is adjusted to a proper position, the locking nut (5) is screwed to fix the moving position of the sliding block.
Preferably, the substrate bearing plates (4) are arranged on the guide rail connecting plate (2), the left and the right of the substrate bearing plates are respectively provided with two blocks, and the positioning positions of the substrate bearing plates (4) can be adjusted on the guide rail according to the sizes of the substrates; waist type groove I (42) has been seted up on base plate loading board (4), and the fixed screw of base plate loading board (4) passes through waist type groove I (42) and fixes the base plate loading board on bottom plate (1), after two guide rail connecting plate (2) adjusted about extreme position, adjustable base plate loading board (4) fixed position on waist type groove I (42). And loosening the substrate bearing plate (4) during adjustment, then placing the substrate on the clamping groove of the substrate bearing plate (4), and finally screwing the screw. The adjustment length of the substrate bearing plates (4) is determined according to the waist-shaped grooves I (42) at the connection part, the length of the waist-shaped groove I (42) of a single substrate bearing plate (4) is 10mm, namely the adjustment width of two substrate bearing plates (4) is 20mm, and the waist-shaped grooves I (42) can also be designed according to the width of the substrates.
Preferably, four guide shaft supports (6) and two support supports (7) with bearings are fixed on the bottom plate (1) by screws. Two ends of the guide shaft (17) are fixed on the guide shaft support (6), two ends of the screw rod (9) are fixed on the support (7) with the bearing, two ends of the shaft are clamped by the snap springs, and the screw rod (9) is guaranteed to rotate smoothly.
Preferably, the bearing is arranged in the middle of the support (7) with the bearing, so that the screw rod (9) can rotate smoothly after being fixed.
Preferably, the oilless bushing fixing seat assembly (11) is arranged on the guide shaft (17) and used for driving the thrust tester to enable the thrust tester to slide smoothly.
Preferably, the spindle connection nut (13) is mounted on the spindle support (14) and the mounted assembly is screwed onto the spindle (9).
Preferably, the thrust gauge attachment plate (10) is used for connecting the lead screw support (14) and the oilless bushing fixing seat assembly (11) and simultaneously supporting the thrust gauge so that the rotary motion of the lead screw is converted into the linear motion of the thrust gauge.
Preferably, the thrustmeter testing head (15) is locked on the testing head connecting shaft (16) by screws, a waist-shaped groove II (151) is designed on the thrustmeter testing head (15), the adjusting height of the waist-shaped groove II (151) is plus or minus 4mm, and the height of the waist-shaped groove II (151) can be adjusted according to the height of a product during a thrust test.
Preferably, the hand wheel (8) is installed at the tail end of the screw rod (9) and locked by screws, when the thrust gauge needs to move forwards or backwards, the operation can be completed only by rotating the hand wheel (8), and the displacement distance of the thrust gauge is plus or minus 175 mm.
The utility model also provides a thrust test mechanism for carrying out thrust test to the SMD component on the PCB board, including bottom plate (1), base plate clamping device and test assembly installed on the bottom plate, wherein, base plate clamping device includes base plate bearing board (4), base plate bearing board (4) is the both ends location structure, two base plate bearing boards pass through the guide rail and connect; the test assembly comprises a test head (15) and a propulsion device of the test head, the propulsion device of the test head is of a screw rod transmission structure, a waist-shaped groove II (151) is formed in the test head (15), and when a PCB (printed circuit board) is placed on the substrate clamping device, the two substrate bearing plates can move linearly along the guide rail according to the size of the PCB to adjust the positioning position; when testing the PCB substrate, the test head is pushed by the pushing device to move horizontally and also can move vertically along the waist-shaped groove II (151) to adjust the height position.
Preferably, the guide rail connecting part of the substrate clamping device comprises a guide rail connecting plate (2), two-slider linear guide rails (3) and locking nuts (5), a substrate bearing plate (4) is installed on the guide rail connecting plate (2), the left and right parts of the substrate bearing plate are respectively divided into two blocks, the two-slider linear guide rails (3) are installed on a bottom plate (1), the guide rail connecting plate (2) is installed on a slider of the two-slider linear guide rails (3) through screws, the left and right parts of the substrate bearing plate are respectively divided into two blocks, two locking nuts (5) are arranged at the tail end of each guide rail connecting plate (2), the slider can move left and right on the guide rail, and the locking nuts (5) are screwed to fix the moving position of the slider when the.
Preferably, the substrate bearing plate (4) of the substrate clamping device is provided with a pair of supports (41) along the inward convex inner surface of the lower end of the substrate bearing plate, the supports (41) are provided with a waist-shaped groove I (42), the substrate bearing plate (4) is fixed on the bottom plate (1) through the waist-shaped groove I (42) by fixing screws of the substrate bearing plate, and after the two guide rail connecting plates (2) are adjusted to a left limit position and a right limit position, the positioning position of the PCB can be adjusted by the substrate bearing plate (4) along the movement of the waist-shaped groove I (42).
Preferably, the propelling device of the test head of the test assembly comprises a hand wheel (8), a screw rod (9), a thrust meter connecting plate (10) and a guide shaft (17), wherein the hand wheel (8) is installed at the tail end of the screw rod (9) and locked by screws; the screw rod (9) is fixedly connected with the bottom plate (1) through a support (7) with a bearing; the guide shaft (17) is fixedly connected with the bottom plate (1) through a guide shaft support (6); the thrust gauge connecting plate (10) is used for connecting the screw rod support (14) and the oilless bushing fixing seat assembly (11) and supporting the thrust gauge, and the thrust gauge connecting plate (10), the oilless bushing fixing seat assembly (11) and the screw rod connecting nut (13) are assembled into a whole and then are assembled on the screw rod (9) and the guide shaft (17) and can slide smoothly.
Preferably, the bottom plate (1) is of a structure similar to a Chinese character pin and is used for fixing the double-slider linear guide rail (3), the guide shaft support (6), the bearing support (7) and the foot pad (12), so that all devices are fixed on the bottom plate (1) to form a complete integral structure; meanwhile, a weight-reducing square hole is formed in the bottom plate (1).
The utility model discloses thrust accredited testing organization's beneficial effect as follows:
1. in the process of thrust test operation, the thrust gauge is fixed on a thrust gauge connecting plate, an operator can complete operation only by shaking a hand wheel, and the requirement on the operating skill level of the operator can be avoided;
2. the thrustor and the substrate are in a fixed state and only have a unique position, so that the measured data are very stable and reliable;
3. in the thrust test process, when the height of the surface mounted device is different, only the thrust meter test head needs to be adjusted without replacing the thrust meter test head, and the compatibility of the thrust meter test head is strong, so that the working efficiency is improved;
4. the thrust tester is fixed on the thrust test mechanism, and the whole process does not need the hand to touch the instrument, has reduced the risk that the thrust tester damaged.
Drawings
Fig. 1 is a perspective view of an assembly structure of the thrust test mechanism of the present invention;
fig. 2 is a perspective view of the bottom plate of the thrust testing mechanism of the present invention;
fig. 2a is a perspective view of a foot pad of the thrust test mechanism of the present invention;
FIG. 3 is a perspective view of the guide rail connecting plate of the thrust test mechanism of the present invention;
fig. 4 is a structural perspective view of the double-slider linear guide rail of the thrust testing mechanism of the present invention;
fig. 5 is a perspective view of the lock nut of the thrust test mechanism of the present invention;
FIG. 6 is a perspective view of the substrate carrier plate of the thrust test mechanism of the present invention;
fig. 7 is a perspective view of the structure of the guide shaft support of the thrust test mechanism of the present invention;
fig. 8 is a perspective view of the thrust test mechanism with a bearing support according to the present invention;
fig. 9 is a perspective view of the hand wheel of the thrust testing mechanism of the present invention;
fig. 10 is a perspective view of the screw rod of the thrust test mechanism of the present invention;
fig. 11 is a perspective view of the thrust gauge connecting plate of the thrust testing mechanism of the present invention;
fig. 12 is a perspective view of the oil-free bushing fixing seat assembly of the thrust testing mechanism of the present invention;
fig. 13 is a perspective view of the structure of the guide shaft of the thrust test mechanism of the present invention;
fig. 14 is a perspective view of the screw connecting nut of the thrust testing mechanism of the present invention;
fig. 15 is a perspective view of the screw rod support of the thrust test mechanism of the present invention;
fig. 16 is a perspective view of the structure of the thrust gauge test head of the thrust test mechanism of the present invention;
fig. 17 is a perspective view of the connecting shaft of the test head of the thrust test mechanism of the present invention.
Detailed Description
The utility model discloses a thrust test mechanism is a processing tool for carrying out thrust test to the paster component on the PCB board, including the bottom plate, install base plate clamping device and the test assembly on the bottom plate, wherein, base plate clamping device includes the base plate loading board, and the base plate loading board is both ends location structure, and two base plate loading boards pass through the guide rail and connect; the test assembly comprises a test head and a propulsion device of the test head, the propulsion device of the test head is of a screw rod transmission structure, a waist-shaped groove is formed in the test head, and when the PCB is placed on the substrate clamping device, the two substrate bearing plates can move linearly along the guide rail according to the size of the PCB to adjust the positioning position; when testing the PCB substrate, the test head is pushed by the pushing device to move horizontally and also can move vertically along the waist-shaped groove to adjust the height position.
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution of the present invention will be described in detail below with reference to the accompanying drawings and the detailed description.
Fig. 1 is an assembly structure perspective view of the red glue thrust testing mechanism of the embodiment of the present invention. A thrust test mechanism comprising: the test device comprises a bottom plate 1, a guide rail connecting plate 2, a double-slider linear guide rail 3, a substrate bearing plate 4, a locking nut 5, a guide shaft support 6, a bearing support 7 with a bearing, a hand wheel 8, a lead screw 9, a thrustor connecting plate 10, an oil-free bush fixing seat assembly 11, a foot pad 12, a lead screw connecting nut 13, a lead screw support 14, a thrustor test head 15, a test head connecting shaft 16 and a guide shaft 17, wherein the guide rail connecting plate 2, the double-slider linear guide rail 3 and the locking nut 5 form a guide rail connecting part of a substrate clamping device, the hand wheel 8, the lead screw 9, the thrustor connecting plate 10 and the guide shaft 17 form a propelling device of the test head, and the double-slider linear guide rail 3, the guide shaft support 6, the bearing support 7 with a bearing; the guide shaft 17 is connected with the guide shaft support 6; the screw rod 9 is connected with the support 7 with the bearing; the thrust gauge connecting plate 10, the oilless bush fixing seat assembly 11 and the screw rod connecting nut 13 are assembled into a whole and then assembled on the screw rod 9 and the guide shaft 17 and can slide smoothly; the hand wheel 8 is arranged at the tail end of the screw rod 9 and is locked by a screw; the guide rail connecting plate 2 is arranged on the double-slider linear guide rail 3 and slides along with the sliders; the substrate bearing plate 4 is arranged on the guide rail connecting plate 2 and used for positioning and bearing the PCB substrate; the locking nut 5 locks the guide rail connecting plate 2 to adjust the stroke of the guide rail sliding block; the thrust gauge test head 15 and the test head connecting shaft 16 are fixed on the thrust gauge for testing the thrust of the device.
As shown in fig. 2 and 2a, preferably, the bottom plate 1 is of a structure similar to a Chinese character pin, and the bottom plate 1 is provided with screw holes 18 at corresponding positions for fixing the double-slider linear guide rail 3, the guide shaft support 6, the support with a bearing 7 and the foot pad 12, so that all the components are fixed on the bottom plate 1 to form a complete integral structure; meanwhile, in order to reduce the weight of the whole structure, a weight-reducing square hole 19 is formed on the bottom plate 1.
As shown in fig. 3-5, preferably, two double-slider linear guide rails 3 are mounted on the bottom plate 1, the guide rail connecting plates 2 are mounted on the sliders of the double-slider linear guide rails 3 by screws, the left and right blocks are two, and two locking nuts 5 are arranged at the tail end of each guide rail connecting plate 2. The sliding block can move left and right on the guide rail, and when the sliding block is adjusted to a proper position, the locking nut 5 is screwed to fix the moving position of the sliding block.
As shown in fig. 6, the substrate carrier plates 4 are preferably mounted on the rail connecting plate 2, two on the left and right, for carrying PCB substrates. The substrate carrier plate 4 can be adjusted in the positioning position on the guide rail according to the size of the substrate. After the two guide rail connecting plates 2 are adjusted to the extreme positions of the left and right extreme edges, the size requirements of the substrates cannot be met, and the substrates cannot be placed in the guide rail connecting plates, so that the fixed positions of the substrate bearing plates 4 need to be adjusted. The substrate bearing plate 4 is provided with a pair of supports 41 along the inner surface of the lower end of the substrate bearing plate in an inward protruding manner, the supports are provided with waist-shaped grooves I42, the substrate bearing plate is fixed on the bottom plate 1 through the waist-shaped grooves I42 by fixing screws of the substrate bearing plate, the fixing screws of the substrate bearing plate 4 are loosened during adjustment, then the substrate is placed on clamping grooves 43 of the substrate bearing plate 4, and finally the screws are tightened. The limit of the adjustment length of the substrate bearing plates 4 is determined according to the size of the waist-shaped groove I42 at the joint, the length of the waist-shaped groove I42 of a single substrate bearing plate 4 is 10mm, namely the adjustment width of two substrate bearing plates 4 is 20mm, and the size design of the waist-shaped groove I42 can be carried out according to the width of the substrate so as to realize the adjustment of the fixed position of the substrate bearing plates 4.
As shown in fig. 7 and 8, preferably, four guide shaft holders 6 and two tape bearing holders 7 are fixed to the base plate 1 by screws. Two ends of the guide shaft 17 are fixed on the guide shaft support 6, two ends of the screw rod 9 are fixed on the support 7 with the bearing, and two ends of the shaft are clamped by a snap spring, so that the screw rod 9 is ensured to rotate smoothly.
Preferably, the bearing is arranged in the middle of the bearing support 7 with the bearing, so that the screw rod 9 can smoothly rotate after being fixed.
As shown in fig. 9 and 10, preferably, the hand wheel 8 is mounted at the end of the screw rod 9 and is locked by a screw, when the thrust gauge needs to move forwards or backwards, the thrust gauge can be moved by only rotating the hand wheel 8, and the displacement distance of the thrust gauge is plus or minus 175 mm.
As shown in fig. 11, it is preferable that the gauge attachment plate 10 is used to connect the lead screw holder 14 and the oilless bushing fixing base assembly 11, and simultaneously support the gauge so that the rotational motion of the lead screw is converted into the linear motion of the gauge.
As shown in fig. 12 and 13, the oilless bushing retainer assembly 11 is preferably mounted on the guide shaft 17 to move the thrust tester smoothly when the thrust tester slides.
As shown in fig. 14 and 15, preferably, the lead screw coupling nut 13 is mounted on the lead screw support 14, and the mounted assembly is screwed onto the lead screw 9.
As shown in fig. 16 and 17, preferably, the thrust gauge test head 15 is locked on the test head connecting shaft 16 by screws, a waist-shaped groove ii 151 is designed on the thrust gauge test head 15, the adjustment height of the waist-shaped groove ii 151 is plus or minus 4mm, and the height can be adjusted according to the height of a product during a thrust test.
The embodiment of the utility model provides a thrust accredited testing organization's working process as follows:
1. and placing the PCB substrate needing thrust testing into the clamping groove of the substrate bearing plate 4, and fixing the position of the PCB substrate by fixing the locking nut 5.
2. The substrate bearing plates 4 are arranged on the guide rail connecting plate 2, and the left and the right of the substrate bearing plates are respectively provided with two blocks for bearing the PCB substrate. The substrate bearing plate 4 can be adjusted according to the size of the PCB substrate, and after the two guide rail connecting plates 2 are adjusted to the extreme positions of the left edge and the right edge, the substrate cannot be placed in the guide rail connecting plates according to the size requirement of the substrate, and the substrate bearing plate 4 needs to be adjusted at the moment.
3. When the substrate bearing plate 4 is adjusted, the hexagon socket head cap screws of the waist-shaped groove I42 are loosened to be adjusted to a proper position, and finally the screws are tightened. The adjustment width of the substrate carrier plates 4 is determined according to the waist-shaped grooves I42 at the joint, the length of the waist-shaped groove I42 of a single substrate carrier plate 4 is 10mm, namely the adjustment width of two substrate carrier plates 4 is 20mm, and the waist-shaped grooves I42 can also be designed according to the width of the substrate.
4. Hand shaking hand wheel 8, installing and locking with the screw between lead screw 9 and hand wheel 8, when hand wheel 8 clockwise turning, drive lead screw 9 clockwise turning, the lead screw clockwise turning round forward the propulsive distance be 2 mm. On the contrary, when the hand wheel 8 rotates anticlockwise, the lead screw 9 is driven to rotate anticlockwise, and the distance of backward return of the lead screw by one turn anticlockwise is 2 mm.
5. The thrustmeter and thrustmeter connecting plate 10 is locked by screws and fixed on the screw rod support 14, meanwhile, the screw rod connecting nut 13 is fixed on the screw rod support 14, and the screw rod 9 passes through the screw rod connecting nut to form rotary fit, so that the thrustmeter, the thrustmeter connecting plate 10, the screw rod support 14 and the screw rod connecting nut 13 form a whole, and the rotary motion of the screw rod 9 is converted into the linear motion of the thrustmeter. When the thrust gauge needs to move forwards or backwards, only the hand wheel 8 needs to be rotated, and the displacement distance of the thrust gauge is plus or minus 175 mm.
6. When the thrustor moves forward to contact the PCB substrate, the thrustor test head 15 needs to be adjusted up and down according to the height of the device on the substrate.
7. The thrustmeter testing head 15 is locked on the testing head connecting shaft 16 by screws, a waist-shaped groove II 151 is designed on the thrustmeter testing head 15, the adjusting height of the waist-shaped groove II 151 is plus or minus 4mm, and the height can be adjusted according to the height of a product during a thrust test. It is desirable that the test head contact the chip device without touching the PCB substrate.
8. After the thrust gauge testing head 15 contacts the surface mounted device, the hand wheel 8 is continuously rotated clockwise to enable the thrust gauge to move forward all the time, and when the surface mounted device falls off under the influence of the external force of the thrust gauge testing head 15, the numerical value on the display screen of the thrust gauge is recorded.
9. And comparing the measured thrust number with a set counting value to see whether the design requirement is met.
10. Other chip devices were tested according to the above procedure.
The above embodiments are only used to help understand the method and core idea of the present invention, and it will be obvious to those skilled in the art that the present invention can be naturally applied by the above description and examples without departing from the principle of the present invention, and that several modifications and improvements of the present invention are possible within the protection scope of the claims of the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021280345.4U CN213337278U (en) | 2020-07-02 | 2020-07-02 | Thrust testing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021280345.4U CN213337278U (en) | 2020-07-02 | 2020-07-02 | Thrust testing mechanism |
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| CN213337278U true CN213337278U (en) | 2021-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021280345.4U Expired - Fee Related CN213337278U (en) | 2020-07-02 | 2020-07-02 | Thrust testing mechanism |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113390710A (en) * | 2021-07-16 | 2021-09-14 | 深圳市德瑞茵智能科技有限公司 | Locking mechanism and mechanical detection equipment push-pull force machine |
| CN114166391A (en) * | 2021-10-25 | 2022-03-11 | 北京北机机电工业有限责任公司 | Pressure testing device |
| CN114839044A (en) * | 2022-05-12 | 2022-08-02 | 蚌埠学院 | Sample fracture measuring device and using method |
| CN116106214A (en) * | 2023-04-11 | 2023-05-12 | 四川富乐华半导体科技有限公司 | Method for testing adhesive force of dispensing of copper-clad ceramic carrier plate |
-
2020
- 2020-07-02 CN CN202021280345.4U patent/CN213337278U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113390710A (en) * | 2021-07-16 | 2021-09-14 | 深圳市德瑞茵智能科技有限公司 | Locking mechanism and mechanical detection equipment push-pull force machine |
| CN114166391A (en) * | 2021-10-25 | 2022-03-11 | 北京北机机电工业有限责任公司 | Pressure testing device |
| CN114839044A (en) * | 2022-05-12 | 2022-08-02 | 蚌埠学院 | Sample fracture measuring device and using method |
| CN116106214A (en) * | 2023-04-11 | 2023-05-12 | 四川富乐华半导体科技有限公司 | Method for testing adhesive force of dispensing of copper-clad ceramic carrier plate |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210601 |