TWI665428B - Pressing member and testing device - Google Patents

Abstract

A testing device includes a controller and at least one pressing head. At least one pressing head is controlled by the controller and moves toward an object to be tested for pressing test and away from the object to be tested for pulling test. Wherein, each pressing head has a pressing member and a pulling member. When the pressing head moves toward the object to be measured, when the controller detects that the pressing member contacts the object to be tested, the controller controls the pulling member to be inactive to perform the pressing test. When the pressing test is over, the controller controls the drawing member to actuate and controls the pressing member to actuate the drawing test.

Description

Pressing parts and testing devices

The invention relates to a pressing member, a testing device and a testing method, in particular to a pressing member, a testing device and a testing method which can perform a compression test and a pull test on an object to be tested.

In today's information society, the keyboard is almost an indispensable data input device for various electronic devices, such as common personal computers, notebook computers, electronic computers, and telephones. The keyboard is used as the main input for control commands or data Device. Therefore, whether the keyboard functions normally will affect the signal input to the electronic device; therefore, the keyboard usually undergoes a number of tests to improve the yield before leaving the factory.

Generally speaking, the multiple tests of the keyboard before leaving the factory are independent processes. Manufacturers need to purchase corresponding equipment for each test process, which results in increased costs. In detail, the keyboard is usually subjected to a compression test and a pull test before leaving the factory to ensure that the keyboard's pressing feel and assembly rate meet the requirements. However, in order to perform the compression test and pull test, the manufacturer must also have a compression test machine and The test machine is pulled, which increases the equipment purchase cost. In addition, when the keyboard needs to be moved to the next test flow after completing one test process, it needs to be moved by human or mobile device. This not only causes an increase in labor or equipment costs, but also spends more time moving, thereby making the test Reduced efficiency.

The invention aims to provide a pressing member, a testing device and a testing method, so as to solve the problems that the testing before the keyboard leaves the factory in the prior art is an independent operation process, resulting in increased costs and low testing efficiency.

The invention is to provide a pressing member for pressing an object to be tested. The pressing member has a pressing part and an exhaust channel, the exhaust channel runs through the pressing part, the pressing part is used to press the object to be tested to perform a compression test, and the exhaust channel is used for an exhaust element to extract Perform a pull test on the object under test.

The testing device disclosed in another embodiment of the present invention includes a controller and at least one pressing head. At least one pressing head is controlled by the controller and moves toward an object to be tested for pressing test and away from the object to be tested for pulling test. Wherein, each pressing head has a pressing member and a pulling member. When the pressing head moves toward the object to be measured, when the controller detects that the pressing member contacts the object to be tested, the controller controls the pulling member to be inactive to perform the pressing test. When the pressing test is over, the controller controls the drawing member to actuate and controls the pressing member to actuate the drawing test.

A testing method for a testing device disclosed in another embodiment of the present invention includes: pressing a pressing head to press a test object through a pressing member of a pressing head and performing a pressing test on the test object. The object to be tested is evacuated through an extraction channel of one of the pressing members of the pressing head. Lift the pressing head to perform a pull test on the object to be tested, and use the adhesion relationship between the pressing member of the pressing head and the object to be tested as the basis for judging the installation quality of the object to be tested.

According to the pressing member, the testing device, and the testing method disclosed in the above embodiments, after the pressing member performs the pressing test on the object to be tested, the pressing member may perform the pull test on the object to be tested. In this way, the test device can be used to perform a compression test and a pull test on the object to be tested, so it is not only unnecessary to purchase different equipment for the compression test and the pull test. After the pressure test is completed, the pull test can be performed without moving the object to be tested, so the cost can be effectively reduced and the test efficiency can be improved.

The above description of the content of the present invention and the description of the following embodiments are used to demonstrate and explain the principle of the present invention, and provide further explanation of the scope of the patent application of the present invention.

1‧‧‧test device

2‧‧‧mobile machine

3, 3’‧‧‧ Object to be tested

5, 5 "‧‧‧Press the head

10, 10 ’, 10” ‧‧‧ pressing pieces

11‧‧‧Relief section

12,12’‧‧‧Air extraction channel

13 ”‧‧‧Press the fixed end

14 ”‧‧‧ Scalable End

20, 20 "‧‧‧drawn parts

21 "‧‧‧Trolley

211 "‧‧‧drawn fixed end

212 "‧‧‧Expanded

2121 "‧‧‧Hawk

30‧‧‧Pressure sensor

40‧‧‧Barometric sensor

50‧‧‧controller

Y, Z‧‧‧ axial

S1-S3‧‧‧ steps

FIG. 1 is a schematic plan view of a testing device according to a first embodiment of the present invention disposed on a mobile machine.

FIG. 2 is a cross-sectional view of the test apparatus of FIG. 1.

FIG. 3 is a flowchart of a test method of the test apparatus of FIG. 1.

FIG. 4 is a schematic plan view of the pressing member of FIG. 1 pressing the object to be tested.

FIG. 5 is a schematic plan view of the pressing member in FIG. 1 sucking up the object to be tested.

FIG. 6 is a schematic plan view of a test device according to a second embodiment of the present invention.

FIG. 7 is a schematic plan view of a test device according to a third embodiment of the present invention.

Please refer to FIG. 1 and FIG. 2. FIG. 1 is a schematic plan view of a testing device according to a first embodiment of the present invention disposed on a mobile machine. FIG. 2 is a cross-sectional view of the test apparatus of FIG. 1.

In this embodiment, the test device 1 is disposed on a mobile machine 2, for example, and the test device 1 includes a pressing head 5. The moving machine 2 can drive the pressing head 5 of the testing device 1 along the Y and Z axes to test an object 3 to be tested. The object under test 3 is, for example, a keycap of a keyboard. Test device 1Press test and pull test on the object to be tested 3 to ensure that the pressing feel of the keyboard and the rate of assembling of the keyboard meet the requirements, which will be described in detail below.

The pressing head 5 includes a pressing member 10 and a pulling member 20. The pressing member 10 has a pressing portion 11 and a suction channel 12. The suction channel 12 penetrates the pressing portion 11. The pressing portion 11 of the pressing member 10 is used to contact the object 3 to be tested, so as to perform a pressing test on the object 3 when the pressing member 10 is forced to move toward the object 3 to be measured. The pulling member 20 is, for example, a suction element, and the pulling member 20 communicates with the suction channel 12 for suctioning the suction channel 12 to perform a pulling test on the object 3 to be tested.

In this embodiment, the testing device 1 includes a pressure head 5, a pressure sensor 30, a barometric pressure sensor 40, and a controller 50.

The pressure sensor 30 is disposed on the pressing portion 11, and the air pressure sensor 40 is disposed on the pressing member 10, and is located on the suction channel 12. The controller 50 is connected to the pressure sensor 30 and the air pressure sensor 40 by a signal, and adjusts the suction strength of the pulling member 20 according to a pressure value sensed by the pressure sensor 30 and a pressure value of the air pressure sensor 40. The pressing pressure channel of the pressing member 10.

Generally speaking, different types of keyboards have different requirements on the pressure channel and the strength of the air extraction. The pressure sensor 30 and the air pressure sensor 40 are used to sense the force and pull of the pressing member 10 against the object 3 to be tested, respectively. The extraction strength of the pull-out piece 20, and determine whether it is the test standard for this type of keyboard. For example, if the pressing pressure channel required for the object 3 to be tested in the pressing test is 60 grams, when the pressing pressure channel is found to be insufficient or excessive, the controller 50 can adjust the pressing pressure channel of the pressing member 10. Similarly, if the suction intensity required for the object 3 to be tested in the pull test is 1 kg, when it is found that the suction intensity is insufficient or too large, the controller 50 can adjust and pull the pump 20 Qi strength.

In this embodiment, the pressure sensor 30 is disposed in the air-exhaust passage 12 for example, but is not limited thereto. In other embodiments, the pressure sensor may be disposed on the drawing member.

Next, a test method for the test device 1 to test the object 3 to be tested will be described. Please refer to FIG. 3 and FIG. 5. FIG. 3 is a flowchart of a test method of the test apparatus of FIG. 1. FIG. 4 is a schematic plan view of the pressing member of FIG. 1 pressing the object to be tested. FIG. 5 is a schematic plan view of the pressing member in FIG. 1 sucking up the object to be tested.

As shown in FIG. 3 and FIG. 4, first, in step S1, the pressing head 5 is pushed down along the Z axis through the mobile machine 2, and the object 3 to be tested is pressed by the pressing member 10 of the pressing head 5 and the object 3 is pressed. test. In general practical experience, the keyboard is subjected to a pressure test before it leaves the factory. By pressing the keycap of the keyboard with the pressing member 10, the pressure sensor 30 can sense the pressure of the pressure channel during the keycap being depressed. Change while drawing into a spring curve. Among them, the elastic curve is the relationship between the stroke distance of the keycap depression and the force of pressing the keycap, so the manufacturer can use this elastic curve to determine whether the pressing feel of the keyboard meets the requirements.

Next, in step S2, the drawing member 20 is used to evacuate the object 3 to be tested from the suction channel 12 of the pressing member 10, so that the pressing member 10 sucks the object 3 to be tested.

Next, in step S3, the pressing head 5 is lifted up along the Z axis through the mobile machine 2 to perform a pull test on the object 3 to be tested, and the adhesion relationship between the pressing member 10 of the pressing head 5 and the object 3 to be tested is taken as The basis for judging the installation quality of the object 3 to be tested. In detail, as shown in FIG. 2, if the pressing member 10 is separated from the object to be measured 3 during the lifting process, and the object to be measured 3 is maintained at the original position, it means that the installation quality of the object to be measured 3 is consistent with Claim. As shown in FIG. 5, if the pressing member 10 lifts up the object to be measured 3 during the lifting process, the object to be measured 3 is separated. , It means that the installation quality of the object under test 3 is bad.

In this embodiment, in addition to judging whether the object to be measured is sucked up manually, it is also possible to observe the pressure sensor 30 or It is the sensing value of the air pressure sensor 40 to determine whether the object to be measured is sucked up. In detail, when the object to be measured 3 is sucked up, the sensing value of the pressure sensor 30 or the air pressure sensor 40 will maintain a specific value, but when the object to be measured 3 is not sucked up, the pressure sensing The change of the sensing value of the sensor 30 or the air pressure sensor 40 will be relatively obvious.

In this embodiment, after the pressing member 10 performs the pressing test on the object 3 to be tested, the pressing member 10 extracts air from the object 3 to be tested through the suction channel 12, so that the raised pressing head 5 extracts the object 3 to be tested. Pull test. In this way, the test device 1 can be used to perform a compression test and a pull test on the object 3 to be tested, so it is not only free of purchasing different equipment for the compression test and the pull test, but also after the compression test is completed. The pull test can be performed without moving the test object 3, so the cost can be effectively reduced and the test efficiency can be improved.

In the foregoing embodiment, the number of the pressing members 10 of the testing device 1 is set to one, which is not intended to limit the present invention. Please refer to FIG. 6, which is a schematic plan view of a test device according to a second embodiment of the present invention.

In this embodiment, the number of the pressing members 10 'is plural, and these pressing members 10' can be relatively moved along the Y axis. The drawing member (as shown in FIG. 1) communicates with the suction channel 12 ′ of the pressing members 10 ′, so that the test device can perform a pressing test and a pulling test on multiple objects under test 3 ′ through the pressing members 10 ′ at one time. .

According to the pressing member, the testing device, and the testing method disclosed in the above embodiments, the pressing member is provided with a suction channel, and the drawing member is connected to the suction channel of the pressing head, so that the pressing After the component has performed the compression test on the object to be tested, the object is then evacuated through the suction channel, so that the raised pressing head performs the pull test on the object to be tested. In this way, the test device can be used to perform a compression test and a pull test on the object to be tested, so it is not only unnecessary to purchase different equipment for the compression test and the pull test, but it can also be omitted after the compression test test is completed. Pull test can be carried out to carry out pull test, so it can effectively reduce costs and improve test efficiency.

In addition, please refer to FIG. 7, which is a schematic plan view of a test device according to a third embodiment of the present invention. The test device (as shown in FIG. 1) provided by another embodiment of the present invention can be implemented without using a suction method. The test device still includes a controller (as shown in FIG. 1) and at least one pressing head 5 ″, which is controlled by the controller and faces a The object to be tested (as shown in FIG. 1) is moved to perform a compression test and to be pulled away from the object to be tested. Among them, each pressing head 5 ″ has a pressing member 10 ″ and a pulling member 20 ″. When the pressing head 5 "is moved toward the object to be measured, and when the controller detects that the pressing member 10" is in contact with the object to be measured, the controller controls the pulling member 20 "to be inactive to perform the pressing test. When the pressing test is finished, the controller controls The pull piece 20 "is actuated and the pressing piece 10" is actuated to perform a pull test.

The pressing member 10 "has a pressing fixed end 13" and a retractable end 14 "connected to the pressing fixed end 13". The retractable end 14 "is retractable relative to the pressing head 5" and presses the object to be tested during the pressing test. The pulling member 20 "has at least two tie rods 21", and each tie rod 21 "has a pulling fixed end 211" and a spreading end 212 ". The pulling fixed end 211" is fixed and pressed against the fixed end 13 ", and the unfolded end The end of 212 "away from the pull fixing end 211" is provided with a hook 2121 "bent inward, and the deployed ends 212" of at least two tie rods 21 "are separated from each other for being positioned on the object to be tested during the pressing test. The periphery, and is controlled by the controller during the pull test to grasp the object under test by the hook claw 2121 ", but not limited to this. In other embodiments, the pull member has two sets of pull rods, Each set of tie rods includes two. The tie rods in the same group are connected to form a bracket through a horizontal connecting rod. The two brackets are connected by a spring. When the compression test is performed, the control part controls the spring so that the two brackets are opened and aligned. At the periphery of the object to be measured, the control unit controls the spring to make the two brackets approach and grasp the object to be measured during the pull test.

Although the present invention is disclosed in the foregoing preferred embodiments as above, it is not intended to limit the present invention. Any person skilled in similar arts can make some changes and retouch without departing from the spirit and scope of the present invention. The scope of patent protection of an invention shall be determined by the scope of patent application attached to this specification.

Claims (8)

A testing device includes: a controller; and at least one pressing head, which is controlled by the controller and moves toward an object to be tested for a pressing test and away from the object for a pull test; wherein each A pressing head has a pressing member and a pulling member. When the pressing head moves toward the object to be measured, when the controller detects that the pressing member contacts the object to be measured, the controller controls the pulling member to be inactive. To perform the compression test, when the compression test ends, the controller controls the pulling member to actuate and controls the pressing member to actuate the pulling test; wherein the pressing member has a pressing fixed end and a pressing fixed end A retractable end is connected, the retractable end is retractable relative to the pressing head and presses the object under test during the pressing test. The testing device according to item 1 of the scope of patent application, wherein the pressing member has a pressing portion and an exhaust channel, the exhaust channel runs through the pressing portion, and the pressing portion is used to press the object to be tested The pressing test is performed on the object to be tested; and the pull-out member is an air-exhausting element, which is connected to the air-exhaust channel, and is used to extract air from the air-exhaust channel to perform the pull test on the object. . The testing device described in item 2 of the scope of patent application, further includes a pressure sensor disposed on the pressing portion. The test device described in item 3 of the scope of patent application, further includes a pressure sensor, which is arranged on the drawing member or the suction channel. The testing device according to item 4 of the scope of patent application, wherein the controller is connected to the pressure sensor and the air pressure sensor, and according to a pressure value sensed by the pressure sensor and the pressure of the air pressure sensor An air pressure value adjusts the suction strength of the drawing member and the pressing pressure channel of the pressing member. The testing device according to item 1 of the scope of patent application, wherein the drawing member has at least two pull rods, and each of the pull rods has a pull fixing end and a spreading end, and the drawing fixing end is fixedly connected to the pressing A fixed end, an end of the unfolded end remote from the drawn fixed end is provided with a claw bent inward, and the unfolded ends of the at least two pull rods are separated from each other for being located on the periphery of the object to be tested during the compression test, It is controlled by the controller during the pull test to grasp the object under test by the hook. The testing device according to item 1 of the scope of patent application, wherein the pull-out member has two sets of pull rods, each set of pull rods includes two, and the pull rods of the same group are connected to form a bracket through a horizontal connecting rod, the The two brackets are connected by a spring. During the pressing test, the control unit controls the spring so that the two brackets are opened and positioned on the periphery of the object to be tested. During the pull test, the control unit controls the spring. The spring brings the two brackets close to and grasps the object under test. A pressing member is used for pressing an object to be tested. The pressing member has a pressing part and an air-exhaust channel. The air-exhaust channel runs through the pressing part, and the pressing part is used to press the object to be tested. The object to be tested is subjected to a compression test. The air extraction channel is used for extracting air from an air extraction element to perform a pull test on the object to be tested. The pressing member has a pressing fixed end and a pressing fixed end. A retractable end is connected, the retractable end is retractable relative to the pressing head and presses the object under test during the pressing test.