Keyboard bottom plate stress detection equipment

Abstract

The utility model discloses stress detection equipment for a keyboard bottom plate. The stress detection equipment comprises a workbench, a positioning material conveying mechanism, a deviation rectifying mechanism and a detection mechanism, the positioning conveying mechanism is mounted at the top of the workbench and comprises a first conveying belt, a second conveying belt and a positioning assembly, the first conveying belt is adjacent to the second conveying belt, and the positioning assembly is located on one side between the first conveying belt and the second conveying belt; the deviation rectifying mechanism is used for preventing the to-be-detected bottom plate from inclining; the detection mechanism comprises a lifting assembly and a detection assembly, the lifting assembly is installed between the first conveying belt and the second conveying belt, and the detection assembly is installed on the workbench and located above one side of the lifting assembly. According to the equipment, automatic feeding and automatic discharging can be achieved, meanwhile, all the bottom plates can be separated, the situation that the error rate of the bottom plates is increased due to the fact that the rear bottom plates collide with the front bottom plates is avoided, and the accuracy rate during bottom plate detection is increased; and meanwhile, the equipment can be used for treating the inclination of the bottom plate caused by various reasons in the transportation process.

Description

Technical Field

[0001] The utility model relates to the technical field of keyboard base plates, in particular to a keyboard base plate force detection device. Background Art

[0002] The keyboard is an important device in the operation of computer equipment. During the production process of the keyboard, various components of the keyboard need to be tested multiple times, and the keyboard base is one of them. During the testing process of the keyboard base, the pressure resistance test of the keyboard base is one of the testing items.

[0003] Chinese patent CN219870645U discloses a keyboard base plate compression detection device, whose structural base plate is fixedly connected to a support plate, and a positioning component is arranged on the upper end of the support plate. The keyboard base plate is arranged inside the positioning component, and a connecting plate is fixedly connected to the base plate, and a detection component is arranged on the upper end of the connecting plate. Support legs are fixedly connected to both sides of the lower surface of the base plate.

[0004] However, its structure requires manual positioning of the bottom plate before and after detection, and the detection process is cumbersome and the use steps are complicated; secondly, its structure cannot accurately determine whether the bottom plate is tilted when positioning the bottom plate.

[0005] Based on this, the utility model designs a keyboard bottom plate force detection device to solve the above problem. Utility Model Content

[0006] In view of the above-mentioned shortcomings of the prior art, the utility model provides a keyboard bottom plate force detection device.

[0007] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0008] A keyboard bottom plate force detection device, comprising:

[0009] Workbench;

[0010] A positioning and feeding mechanism is installed on the top of the workbench, the positioning and feeding mechanism comprises a first conveyor belt, a second conveyor belt and a positioning assembly, the first conveyor belt is adjacent to the second conveyor belt and the conveying paths are colinear, the positioning assembly is located on one side between the first conveyor belt and the second conveyor belt, and is used to position the bottom plate to be inspected;

[0011] A deflection correction mechanism, which is used to prevent the bottom plate to be inspected from tilting; and

[0012] The detection mechanism includes a lifting component and a detection component. The lifting component is installed between the first conveyor belt and the second conveyor belt, and is used to move the bottom plate to be detected upward. The detection component is installed on the workbench and located above one side of the lifting component, and is used to detect the moved-up bottom plate.

[0013] Furthermore, the positioning assembly includes a first cylinder, a connecting piece, a first connecting plate, a first positioning plate and a second positioning plate, the first cylinder is fixedly connected to the detection assembly and its output shaft can span the conveying path of the first conveyor belt and the second conveyor belt, the output shaft end of the first cylinder is fixedly connected to the connecting piece, the connecting piece is fixedly connected to the first connecting plate, one end of the first connecting plate is located on the first conveyor belt and the first positioning plate is provided on the side of the end away from the first cylinder, the other end of the first connecting plate is located on the second conveyor belt and the second positioning plate is provided on the side of the end close to the first cylinder, and the first positioning plate and the second positioning plate are both perpendicular to the conveying path of the first conveyor belt and the second conveyor belt.

[0014] Furthermore, the correcting mechanism is located between the first positioning plate and the second positioning plate, and the correcting mechanism includes a support platform, a second cylinder, a second connecting plate, a T-shaped connecting block, a gantry, a clamping block and a sliding groove, the support platform is arranged on the top of the workbench and is located on one side of the first conveyor belt and the second conveyor belt, the top of the support platform is fixedly connected with the second cylinder, the output shaft of the second cylinder is parallel to the output shaft of the first cylinder, the end of the output shaft of the second cylinder is fixedly connected with the second connecting plate, both ends of the second connecting plate are fixedly connected with T-shaped connecting blocks, the two gantry frames respectively span above the first conveyor belt and the second conveyor belt, the bottom of the two gantry frames on one side away from the support platform is provided with a clamping block, the top of the two gantry frames on one side close to the support platform is provided with a sliding groove, the two T-shaped connecting blocks are respectively slidably connected to the sliding groove and the bottom ends pass through the bottom of the sliding groove.

[0015] Furthermore, the lifting assembly includes a third cylinder and a lifting plate, the third cylinder is fixedly connected to the top of the workbench, and the output end of the third cylinder faces upward and is fixedly connected to the lifting plate.

[0016] Furthermore, the detection assembly includes a support column, a fixed bracket, a connecting block, a third connecting plate and a pressure detection assembly, the support column is fixedly connected to the top of the workbench, the top of the support column is fixedly connected to the rear end of the fixed bracket, the lower side of the front end of the fixed bracket is fixedly connected to the connecting block, the lower side of the connecting block is fixedly connected to the third connecting plate, the left and right sides of the third connecting plate are fixedly connected with pressure detection assemblies, and the third connecting plate is located directly above the lifting plate.

[0017] Furthermore, a working groove connecting the front and rear ends is provided in the middle of the support column, and the first cylinder is located inside the working groove and fixedly connected to the support column.

[0018] The utility model has the following technical effects:

[0019] 1. When the utility model is used, the initial state of the first cylinder is a contracted state, the first conveyor belt and the second conveyor belt are started, the second conveyor belt drives the first bottom plate to move to the left, the first bottom plate passes through the detection mechanism and enters the upper surface of the first conveyor belt, the first conveyor belt drives the first bottom plate to move to the left until the first bottom plate contacts the first positioning plate; at this time, the first conveyor belt and the second conveyor belt are closed, and the first cylinder is started at the same time, the output end of the first cylinder extends out and drives the second positioning plate to move forward, so that the second positioning plate contacts the second bottom plate, to prevent the second bottom plate from continuing to move due to inertia and colliding with the first bottom plate, the first cylinder is started again, the output end of the first cylinder contracts, the connecting piece passes through the spacing between the first conveyor belt and the second conveyor belt, The first connecting plate moves backward and contacts the rear side wall of the first conveyor belt and the rear side wall of the second conveyor belt. At this time, the bottom plate is located directly above the lifting assembly, and the correction mechanism and the detection mechanism are started to perform a pressure resistance test; after the test is completed, the first cylinder is started, and the output end of the first cylinder extends out and drives the first positioning plate to move forward. When the test is completed, the first conveyor belt and the second conveyor belt are started, and the first conveyor belt and the second conveyor belt drive the first bottom plate out of the detection area, and the first cylinder is started again, and the output end of the first cylinder contracts to complete the reset, and the second bottom plate is inspected; the mechanisms cooperate with each other to realize autonomous loading and unloading, and at the same time can separate the bottom plates to prevent the rear bottom plate from colliding with the front bottom plate, resulting in an increase in the error rate of the bottom plate, thereby improving the accuracy of bottom plate detection.

[0020] 2. When the utility model is used, the first positioning plate conveys the bottom plate to the top of the detection mechanism, and the lifting assembly is started to lift the bottom plate upward. During the lifting process, the bottom plate may be tilted due to the contact between the bottom plate and the first positioning plate, or the detection mechanism swings during the lifting process, resulting in inaccurate detection results. At this time, the second cylinder is started, the output end of the second cylinder extends out and drives the second connecting plate to be pushed to the rear side, and the second connecting plate drives the T-shaped connecting block to be pushed to the rear side under the limit of the sliding groove, so that the front and rear sides of the bottom plate are respectively in contact with the clamping block and the T-shaped connecting block, so that the bottom plate is straightened for easy detection; this mechanism can handle the inclination of the bottom plate caused by various reasons during transportation, and improve the accuracy of the detection results.

[0021] 3. When the utility model is used, the third cylinder is started, and the third cylinder drives the lifting plate to move upward, and prevents the bottom plate from tilting under the correction positioning of the clamping block and the T-shaped connecting block of the correction mechanism, and the lifting plate continues to push the bottom plate so that the upper surface of the bottom plate contacts the lower surface of the gantry, and the lifting plate continues to push the bottom plate to bend the bottom plate, and the lifting plate continues to push the bottom plate so that the upper surface of the bottom plate contacts the pressure detection component of the detection component; if the bottom plate can withstand the force applied by the lifting plate, the bottom plate will produce elastic deformation, and the value measured by the pressure detection component can reach the standard range; if the bottom plate cannot withstand the force applied by the lifting plate, the bottom plate will produce plastic deformation, the bottom plate will produce excessive bending, and the value measured by the pressure detection component cannot reach the standard range; the mechanism can judge whether the product quality meets expectations by detecting the force and bending of the bottom plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0023] Figure 1 The three-dimensional Figure 1 ;

[0024] Figure 2 It is a front view of the utility model;

[0025] Figure 3 The three-dimensional Figure 2 ;

[0026] Figure 4 The three-dimensional Figure 3 ;

[0027] Figure 5 It is a positioning component of the positioning feeding mechanism of the utility model;

[0028] Figure 6 It is the deviation correction mechanism of the utility model;

[0029] Figure 7 It is the detection mechanism of the utility model.

[0030] The numbers in the figure represent:

[0031] 1. Workbench; 2. Positioning and feeding mechanism; 21. First conveyor belt; 22. Second conveyor belt; 23. Positioning assembly; 231. First cylinder; 232. Connecting piece; 233. First connecting plate; 234. First positioning plate; 235. Second positioning plate; 3. Correction mechanism; 31. Support table; 32. Second cylinder; 33. Second connecting plate; 34. T-shaped connecting block; 35. Door frame; 36. Clamping block; 37. Sliding groove; 4. Detection mechanism; 41. Lifting assembly; 411. Third cylinder; 412. Lifting plate; 42. Detection assembly; 421. Support column; 422. Fixed bracket; 423. Connecting block; 424. Third connecting plate; 425. Pressure detection assembly; 426. Work groove. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] The utility model is further described below in conjunction with embodiments.

[0034] In the following description, the terms “left”, “right”, “front”, “back”, “up” and “down” are used to refer to Figure 2 The viewing direction is oriented.

[0035] Please refer to the instruction manual Figure 1-7 A keyboard base plate force detection device includes a workbench 1, a positioning and feeding mechanism 2, a correction mechanism 3 and a detection mechanism 4.

[0036] The positioning and feeding mechanism 2 is installed on the top of the workbench 1. The positioning and feeding mechanism 2 includes a first conveyor belt 21, a second conveyor belt 22 and a positioning component 23. The first conveyor belt 21 is adjacent to the second conveyor belt 21 and the conveying paths are colinear. The positioning component 23 is located on one side between the first conveyor belt 21 and the second conveyor belt 21, and is used to position the base plate to be inspected.

[0037] Specifically, the positioning assembly 23 includes a first cylinder 231, a connecting piece 232, a first connecting plate 233, a first positioning plate 234 and a second positioning plate 235. The first cylinder 231 is fixedly connected to the detection assembly 42 and its output shaft can span the conveying path of the first conveyor belt 21 and the second conveyor belt 21. The output shaft end of the first cylinder 231 is fixedly connected to the connecting piece 232, and the connecting piece 232 is fixedly connected to the first connecting plate 233. One end of the first connecting plate 233 is located on the first conveyor belt 21 and the first positioning plate 234 is provided on the side of the end away from the first cylinder 231. The other end of the first connecting plate 233 is located on the second conveyor belt 22 and the second positioning plate 235 is provided on the side of the end close to the first cylinder 231. The first positioning plate 234 and the second positioning plate 235 are both perpendicular to the conveying path of the first conveyor belt 21 and the second conveyor belt 21.

[0038] It should be noted that the bottom height of the first connecting plate 233 and the connecting member 232 is higher than the height of the bottom plate and does not hinder the transportation of the bottom plate, while the bottom height of the first positioning plate 234 and the second positioning plate 235 should be lower than the top height of the bottom plate to achieve positioning of the bottom plate.

[0039] When in use, the initial state of the first cylinder 231 is the retracted state, the first conveyor belt 21 and the second conveyor belt 22 are started, the second conveyor belt 22 drives the first bottom plate to move to the left, the first bottom plate passes through the detection mechanism 4 and enters the upper surface of the first conveyor belt 21, the first conveyor belt 21 drives the first bottom plate to move to the left until the first bottom plate contacts the first positioning plate 234; at this time, the first conveyor belt 21 and the second conveyor belt 22 are closed, and the first cylinder 231 is started at the same time, the output end of the first cylinder 231 extends out and drives the second positioning plate 235 to move forward, so that the second positioning plate 235 contacts the second bottom plate to prevent the second bottom plate from continuing to move due to inertia and colliding with the first bottom plate, and the first cylinder 231 is started again, the output end of the first cylinder 231 is retracted, and the connecting piece 232 passes through the gap between the first conveyor belt 21 and the second conveyor belt 22 The spacing causes the first connecting plate 233 to move backward and contact the rear side wall of the first conveyor belt 21 and the rear side wall of the second conveyor belt 22. At this time, the bottom plate is located directly above the lifting assembly 41, and the correction mechanism 3 and the detection mechanism 4 are started to perform a pressure resistance test; after the test is completed, the first cylinder 231 is started, and the output end of the first cylinder 231 extends out and drives the first positioning plate 234 to move forward. When the test is completed, the first conveyor belt 21 and the second conveyor belt 22 are started, and the first conveyor belt 21 and the second conveyor belt 22 drive the first bottom plate to move out of the detection area, and the first cylinder 231 is started again, and the output end of the first cylinder 231 contracts to complete the reset, and the second bottom plate is inspected; the cooperation of the mechanisms can realize autonomous loading and unloading, and at the same time can separate the bottom plates to prevent the rear bottom plate from colliding with the front bottom plate, resulting in an increase in the error rate of the bottom plate, thereby improving the accuracy of bottom plate detection.

[0040] The deviation correction mechanism 3 is used to prevent the bottom plate to be detected from tilting.

[0041] Specifically, the deviation correction mechanism 3 is located between the first positioning plate 234 and the second positioning plate 235. The deviation correction mechanism 3 includes a support platform 31, a second cylinder 32, a second connecting plate 33, a T-shaped connecting block 34, a door frame 35, a clamping block 36 and a sliding groove 37. The support platform 31 is arranged on the top of the workbench 1 and is located on one side of the first conveyor belt 21 and the second conveyor belt 21. The top of the support platform 31 is fixedly connected to the second cylinder 32. The output shaft of the second cylinder 32 is parallel to the output shaft of the first cylinder 231. The output shaft end of the cylinder 32 is fixedly connected to the second connecting plate 33, and both ends of the second connecting plate 33 are fixedly connected to T-shaped connecting blocks 34. The two door frames 35 span the top of the first conveyor belt 21 and the second conveyor belt 21 respectively. The bottom of the two door frames 35 on the side away from the support platform 31 is provided with a clamping block 36, and the top of the two door frames 35 is close to the support platform 31. The side is provided with a sliding groove 37, and the two T-shaped connecting blocks 34 are respectively slidably connected to the sliding groove 37 and the bottom ends pass through the bottom of the sliding groove 37.

[0042] When in use, the first positioning plate 234 conveys the bottom plate to the top of the detection mechanism 4, and the lifting assembly 41 is started to lift the bottom plate upward. During the lifting process, the bottom plate may be tilted due to the contact between the bottom plate and the first positioning plate 234, or the detection mechanism 4 swings during the lifting process, resulting in inaccurate detection results. At this time, the second cylinder 32 is started, and the output end of the second cylinder 32 extends out and drives the second connecting plate 33 to push toward the rear side. The second connecting plate 33 drives the T-shaped connecting block 34 to push toward the rear side under the limit of the sliding groove 37, so that the front and rear sides of the bottom plate are respectively in contact with the clamping block 36 and the T-shaped connecting block 34, so that the bottom plate is straightened for easy detection; this mechanism can handle the inclination of the bottom plate caused by various reasons during transportation, and improve the accuracy of the detection results.

[0043] The detection mechanism 4 includes a lifting component 41 and a detection component 42. The lifting component 41 is installed between the first conveyor belt 21 and the second conveyor belt 21, and is used to move the bottom plate to be detected up. The detection component 42 is installed on the workbench 1 and is located above one side of the lifting component 41, and is used to detect the moved up bottom plate.

[0044] Specifically, the lifting assembly 41 includes a third cylinder 411 and a lifting plate 412. The third cylinder 411 is fixedly connected to the top of the workbench 1, and the output end of the third cylinder 411 faces upward and is fixedly connected to the lifting plate 412.

[0045] Furthermore, the detection component 42 includes a support column 421, a fixed bracket 422, a connecting block 423, a third connecting plate 424 and a pressure detection component 425. The support column 421 is fixedly connected to the top of the workbench 1, the top of the support column 421 is fixedly connected to the rear end of the fixed bracket 422, the lower side of the front end of the fixed bracket 422 is fixedly connected to the connecting block 423, the lower side of the connecting block 423 is fixedly connected to the third connecting plate 424, the left and right sides of the third connecting plate 424 are fixedly connected with the pressure detection component 425, and the third connecting plate 424 is located directly above the lifting plate 412.

[0046] Preferably, a working groove 426 connecting the front and rear ends is opened in the middle of the support column 421, and the first cylinder 231 is located inside the working groove 426 and fixedly connected to the support column 421. This structure facilitates the installation of the first cylinder 231 and can make the overall structure more compact.

[0047] When in use, the third cylinder 411 is started, and the third cylinder 411 drives the lifting plate 412 to move upward, and prevents the bottom plate from tilting under the correction positioning of the clamping block 36 and the T-shaped connecting block 34 of the correction mechanism 3, and the lifting plate 412 continues to push the bottom plate so that the upper surface of the bottom plate contacts the lower surface of the gantry 35, and the lifting plate 412 continues to push the bottom plate to bend the bottom plate, and the lifting plate 412 continues to push the bottom plate so that the upper surface of the bottom plate contacts the pressure detection component 425 of the detection component 42; if the bottom plate can withstand the force applied by the lifting plate 412, the bottom plate will produce elastic deformation, and the value measured by the pressure detection component 425 can reach the standard range; if the bottom plate cannot withstand the force applied by the lifting plate 412, the bottom plate will produce plastic deformation, the bottom plate will produce excessive bending, and the value measured by the pressure detection component 425 cannot reach the standard range; the mechanism can judge whether the product quality meets expectations by detecting the force and bending of the bottom plate.

[0048] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A keyboard bottom plate force detection device, characterized in that: include: Workbench (1); A positioning and conveying mechanism (2) is installed on the top of the workbench (1), the positioning and conveying mechanism (2) comprises a first conveyor belt (21), a second conveyor belt (22) and a positioning assembly (23), the first conveyor belt (21) and the second conveyor belt (22) are adjacent to each other and the conveying paths are colinear, the positioning assembly (23) is located on one side between the first conveyor belt (21) and the second conveyor belt (22), and is used for positioning the bottom plate to be inspected; A deviation correction mechanism (3) for preventing the bottom plate to be inspected from tilting; and The detection mechanism (4) comprises a lifting assembly (41) and a detection assembly (42), wherein the lifting assembly (41) is installed between the first conveyor belt (21) and the second conveyor belt (22) and is used to move the bottom plate to be detected upward, and the detection assembly (42) is installed on the workbench (1) and is located above one side of the lifting assembly (41) and is used to detect the upwardly moved bottom plate.

2. The keyboard bottom plate force detection device according to claim 1, characterized in that: The positioning assembly (23) comprises a first cylinder (231), a connecting member (232), a first connecting plate (233), a first positioning plate (234) and a second positioning plate (235); the first cylinder (231) is fixedly connected to the detection assembly (42) and its output shaft can cross the conveying path of the first conveyor belt (21) and the second conveyor belt (22); the output shaft end of the first cylinder (231) is fixedly connected to the connecting member (232); the connecting member (232) and the first connecting plate (233) are fixedly connected to each other. The first connecting plate (233) is fixedly connected, one end of the first connecting plate (233) is located on the first conveyor belt (21), and a first positioning plate (234) is provided on the side of the end away from the first cylinder (231), the other end of the first connecting plate (233) is located on the second conveyor belt (22), and a second positioning plate (235) is provided on the side of the end close to the first cylinder (231), and the first positioning plate (234) and the second positioning plate (235) are both perpendicular to the conveying paths of the first conveyor belt (21) and the second conveyor belt (22).

3. The keyboard bottom plate force detection device according to claim 2, characterized in that: The deviation-correcting mechanism (3) is located between the first positioning plate (234) and the second positioning plate (235), and comprises a support platform (31), a second cylinder (32), a second connecting plate (33), a T-shaped connecting block (34), a gantry (35), a clamping block (36) and a sliding groove (37). The support platform (31) is arranged on the top of the workbench (1) and is located on one side of the first conveyor belt (21) and the second conveyor belt (22). The top of the support platform (31) is fixedly connected with the second cylinder (32), and the output shaft of the second cylinder (32) is parallel to the output shaft of the first cylinder (231). The output shaft end of the second cylinder (32) is fixedly connected to a second connecting plate (33), and both ends of the second connecting plate (33) are fixedly connected to T-shaped connecting blocks (34). The two gantry frames (35) respectively span over the first conveyor belt (21) and the second conveyor belt (22). A clamping block (36) is provided at the bottom of the top of the two gantry frames (35) on a side away from the support platform (31). A sliding groove (37) is provided at the top of the two gantry frames (35) on a side close to the support platform (31). The two T-shaped connecting blocks (34) are respectively slidably connected to the sliding groove (37) and the bottom ends thereof pass through the bottom of the sliding groove (37).

4. The keyboard bottom plate force detection device according to claim 3, characterized in that: The lifting assembly (41) comprises a third cylinder (411) and a lifting plate (412); the third cylinder (411) is fixedly connected to the top of the workbench (1); the output end of the third cylinder (411) faces upward and is fixedly connected to the lifting plate (412).

5. The keyboard bottom plate force detection device according to claim 4, characterized in that: The detection assembly (42) comprises a support column (421), a fixed bracket (422), a connecting block (423), a third connecting plate (424) and a pressure detection assembly (425); the support column (421) is fixedly connected to the top of the workbench (1); the top of the support column (421) is fixedly connected to the rear end of the fixed bracket (422); the lower side of the front end of the fixed bracket (422) is fixedly connected to the connecting block (423); the lower side of the connecting block (423) is fixedly connected to the third connecting plate (424); the left and right sides of the third connecting plate (424) are fixedly connected with the pressure detection assembly (425); the third connecting plate (424) is located directly above the lifting plate (412).

6. The keyboard bottom plate force detection device according to claim 5, characterized in that: A working groove (426) communicating the front and rear ends is provided in the middle of the support column (421), and the first cylinder (231) is located inside the working groove (426) and is fixedly connected to the support column (421).

Images