Automatic testing device for service life of hinge

Abstract

A hinge service life automatic testing device comprises a testing platform and a testing mechanism arranged on the testing platform, the testing mechanism comprises a bearing part used for installing various types of hinges and a driving motor used for testing the hinges, and the bearing part is connected to the testing platform in a sliding mode. A connecting structure for connecting different hinges is arranged on the bearing part; the test platform is provided with a counter and a positive and negative rotation detection controller, and the test platform is also provided with a control system electrically connected with the test mechanism; compared with the prior art, the connecting structure is arranged on the bearing piece of the testing mechanism and used for installing different types of hinges, meanwhile, the forward and reverse rotation detection controller controls the driving direction of the driving motor, the hinges are tested under the action of the driving motor, and the folding times of the hinges are recorded through the counter; therefore, the test work of different types of hinges is realized, the service life of the hinge is ensured to meet the requirements of products, and the reliability of the hinge is ensured.

Description

Technical Field

[0001] The present invention relates to the technical field of hinge detection, and in particular to an automatic hinge life testing device. Background Art

[0002] A hinge is a mechanical device used to connect two solid objects and allow them to rotate relative to each other. Hinges can be used to connect two parts of machines, vehicles, doors, windows, and objects, and the two connected parts or one of them can rotate around the hinge axis. Hinges are widely used in furniture such as cabinets, wardrobes, shoe cabinets, wall cabinets, and mechanical equipment. Their quality and performance directly affect the service life and user experience of furniture and equipment.

[0003] A Chinese patent with application number 202111128224.7 discloses a hinge testing device. The hinge testing device disclosed above includes a base plate, a first positioning plate, a second positioning plate, a rotating cylinder, a counter and an intake pressure regulator; the first positioning plate is fixed to the base plate for fixing the first connecting plate in the hinge; the rotating cylinder is fixed to the base plate, and the output shaft of the rotating cylinder is fixed to the second positioning plate, and is fixed to the second connecting plate in the hinge through the second positioning plate to drive the second connecting plate to rotate relative to the first connecting plate; the counter is fixed to the base plate and can detect the number of times the second positioning plate rotates with the rotating cylinder. The intake pressure regulator is arranged on the air path of the rotating cylinder to adjust the pressure entering the rotating cylinder. A Chinese patent with application number 202311134661.9 discloses a hinge life testing machine and a control system. The hinge life testing machine and a control system disclosed above include a hinge testing platform, on which a hinge test piece is arranged, and both sides of the hinge test piece are clamped with a clamping mechanism, and the clamping mechanism is connected to a sliding rod of a sliding rod assembly, and the sliding rod assembly is installed on a transmission mechanism and the sliding rod of the sliding rod assembly moves in an arc through the transmission mechanism, and the center of the movement arc of the sliding rod of the sliding rod assembly coincides with the hinge hinge point of the hinge test piece.

[0004] In the above disclosed prior art, the hinge is connected to the first positioning plate and the second positioning plate, and the rotating cylinder drives the first positioning plate and the second positioning plate to rotate relative to each other. The number of rotations of the hinge is recorded by a counter, thereby realizing the detection of the hinge life. In the above scheme, the positions of the first positioning plate and the second positioning plate are fixed. When testing the hinge, only a single type of hinge can be tested, and it cannot meet the testing work of different types of hinges. Summary of the invention

[0005] The present invention aims to overcome the defects in the prior art and to provide an automatic hinge life test device capable of testing different types of hinges.

[0006] In order to achieve the above-mentioned invention objectives, the present invention adopts the following technical scheme: an automatic hinge life test device, comprising a test platform and a test mechanism arranged on the test platform, the test mechanism comprising a carrier for installing various types of hinges and a drive motor for testing the hinge, the carrier is slidably connected to the test platform, and the carrier is provided with a connecting structure for connecting different hinges; a counter and a forward and reverse detection controller are provided on the test platform, and a control system electrically connected to the test mechanism is also provided on the test platform.

[0007] As a preferred solution of the present invention, the output shaft of the drive motor is connected to a sleeve, the bearing member is located in the axial direction of the sleeve, and a slide groove is provided on the test platform for moving the bearing member along the axial direction of the sleeve.

[0008] As a preferred solution of the present invention, the forward and reverse detection controller is located on opposite sides of the sleeve, and two detection members are provided on the outer wall of the sleeve for counting with the forward and reverse detection controller, and the two detection members are arranged vertically.

[0009] As a preferred solution of the present invention, a slide rail is provided in the slide groove, and a slider for connecting the bearing member is slidably connected to the slide rail.

[0010] As a preferred solution of the present invention, a fixing groove parallel to the slide groove is provided on the test platform, and fixing holes matched with the fixing groove are provided at both ends of the bearing member.

[0011] As a preferred solution of the present invention, the bearing member is provided with a plurality of mounting holes for mounting the connecting structure.

[0012] As a preferred solution of the present invention, the control system includes a motor control board electrically connected to the testing mechanism, a power adapter, and a counting display electrically connected to the counter.

[0013] As a preferred solution of the present invention, the connection structure is a first adapter fixing block arranged on the carrier for fixing the straight hinge, a first adapter block is provided on the sleeve, and both ends of the straight hinge are respectively connected to the first adapter fixing block and the first adapter block.

[0014] As a preferred solution of the present invention, the connection structure is a second adapter fixing block arranged on the carrier for fixing the disc spring hinge, a second adapter block is provided on the sleeve, and both ends of the disc spring hinge are respectively connected to the second adapter fixing block and the second adapter block.

[0015] As a preferred solution of the present invention, the test platform is provided with a tooling plate, on which a rotating tooling is rotatably connected, and the rotating tooling is connected to a mounting plate, the two ends of the hinge are respectively connected to the tooling plate and the mounting plate, and the rotating tooling is connected to the shaft sleeve.

[0016] Compared with the prior art, the present invention has the following beneficial effects: 1. By setting a connection structure on the bearing of the test mechanism for installing different types of hinges, the forward and reverse detection controller controls the driving direction of the drive motor, the hinge is tested under the action of the drive motor, and the number of hinge folding times is recorded by a counter, thereby realizing the testing of different types of hinges, ensuring that the service life of the hinge meets the product requirements and the reliability of the hinge is guaranteed; 2. Furthermore, by arranging two detection members on the outer wall of the sleeve to cooperate with the forward and reverse detection controllers located on the opposite sides of the sleeve, the two detection members are perpendicular to each other, and when the drive motor drives the sleeve to rotate, when one detection member is in a horizontal state and the other detection member is in a vertical state, the forward and reverse detection controller detects the position states of the two detection members, thereby determining the rotation angle of the hinge driven by the sleeve, and then controlling the drive motor to drive the sleeve to rotate in the opposite direction, thereby realizing the folding and resetting of the hinge, thereby ensuring that the hinge is folded to the same degree each time, avoiding the situation where the hinge is damaged or broken due to excessive folding of the hinge, and improving the accuracy of hinge detection; 3. Furthermore, the testing of the straight hinge is realized by the first transfer fixing block and the first transfer block, and the testing of the disc spring hinge is realized by the second transfer block and the second transfer fixing block, thereby improving the versatility of the testing device, facilitating the testing of different types of hinges, and improving the convenience of hinge testing without replacing the testing equipment; 4. Furthermore, by setting up a rotating tooling and a mounting plate installed on the rotating tooling, the hinge is connected to the mounting plate and the tooling plate, and at the same time the rotating tooling is connected to the shaft sleeve. Under the action of the driving motor, the rotating tooling is driven to rotate, and then the mounting plate is driven to rotate, thereby simulating the use of the hinge in an actual working environment, thereby improving the accuracy of the hinge test. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 It is a structural schematic diagram of the testing mechanism of the present invention; Figure 3 is a schematic structural diagram of Embodiment 1 of the present invention; Figure 4 is a structural diagram of Embodiment 2 of the present invention; Figure 5 This is a schematic diagram of the structure of the third embodiment of the present invention. Figure markings: test platform 1, slide 101, slide rail 1011, slider 1012, fixed slot 102, control system 2, power adapter 201, motor control board 202, counting display 203, start switch 204, power switch 205, test mechanism 3, drive motor 301, sleeve 3011, detection member 3012, bearing member 302, fixing hole 3021, mounting hole 3022, forward and reverse detection controller 303, counter 304, motor mounting seat 305, first adapter fixing block 401, first adapter block 402, second adapter fixing block 501, second adapter block 502, tooling plate 6, mounting plate 601, rotating tooling 602, rotating support seat 603. DETAILED DESCRIPTION

[0018] The embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0019] like Figure 1-Figure 2 As shown, an automatic hinge life test device includes a test platform 1 and a test mechanism 3 arranged on the test platform 1, the test mechanism 3 includes a carrier 302 for installing various types of hinges and a drive motor 301 for testing the hinge, the carrier 302 is slidably connected to the test platform 1, and the carrier 302 is provided with a connecting structure for connecting different hinges; a counter 304 and a forward and reverse detection controller 303 are provided on the test platform 1, and a control system 2 electrically connected to the test mechanism 2 is also provided on the test platform 1.

[0020] Furthermore, the driving motor 301 is fixed on the test platform 1 through the motor mounting base 305, and the supporting member 302 is movably arranged on the test platform 1. The position of the supporting member 302 is adjusted according to the hinge that needs to be tested, thereby ensuring the testing of different types of hinges. At the same time, a connecting structure is set on the supporting member 302, and a suitable connecting structure is selected to fix the hinge according to different hinge types, thereby realizing the testing of different types of hinges; with the cooperation of the driving motor 301 and the forward and reverse detection controller 303, the hinge is driven to fold and reset multiple times, and the counter 304 is used for counting at the same time, thereby realizing the detection of the hinge life, ensuring that the service life of the hinge meets the product requirements and ensuring the reliability of the hinge.

[0021] The output shaft sleeve of the driving motor 301 is connected with a shaft sleeve 3011, the bearing member 302 is located in the axial direction of the shaft sleeve 3011, and a slide groove (101) is provided on the test platform (1) for moving the bearing member 302 along the axial direction of the shaft sleeve 3011. Furthermore, the output shaft of the driving motor 301 passes through the motor mounting seat 305, and the shaft sleeve 3011 is installed on the output shaft. The shaft sleeve 3011 and the driving motor 301 are respectively located on both sides of the motor mounting seat 3025, and the connecting structure is connected to the shaft sleeve 3011; at the same time, the bearing member 302 is located on the axial extension line of the shaft sleeve 3011, and the bearing member 302 moves along the axial direction of the shaft sleeve 3011. By adjusting the position of the bearing member 302, the distance between the bearing member 302 and the shaft sleeve 3011 is adjusted, thereby meeting the installation test of different types of hinges.

[0022] The forward and reverse detection controller 303 is located on the opposite sides of the sleeve 3011, and two detection pieces 3012 are provided on the outer wall of the sleeve 3011 for facilitating the counting of the forward and reverse detection controller 303. The two detection pieces 3012 are vertically arranged. Further, the forward and reverse detection controller 303 is used to detect the rotation angle of the sleeve 3011 and control the rotation direction of the output shaft of the drive motor 301. Specifically, there are two forward and reverse detection controllers 303, and the two forward and reverse detection controllers 303 are respectively located on the opposite sides of the sleeve 3011, and the detection heads of the two forward and reverse detection controllers 303 are both arranged in the direction of the sleeve 3011. Two detection pieces 3012 are provided on the outer wall of the sleeve 3011, and the detection pieces 3012 are plate-shaped structures, and The two detection parts 3012 are located on opposite sides of the sleeve 3011, and the two detection parts 3012 are arranged perpendicular to each other. When the sleeve 3011 rotates, the two detection parts 3012 rotate synchronously with the sleeve 3011. When one of the detection parts 3012 is in a vertical state, the other detection part 3012 is in a horizontal state. At this time, the detection head of the forward and reverse detection controller 303 on the same side of the detection part 3012 in the vertical state detects the detection part 3012, while the other detection part 3012 cannot detect the detection part 3012 in the horizontal state, so as to determine the rotation angle of the sleeve 3011, and then the forward and reverse detection controller 303 controls the rotation direction of the output shaft of the drive motor 301, thereby controlling the folding and resetting of the hinge.

[0023] A slide rail 1011 is provided in the slide groove 101, and a slider 1012 for connecting the supporting member 302 is slidably connected to the slide rail 1011. Furthermore, two slide grooves 101 are provided, and the two slide grooves 101 are arranged in parallel, and the two slide grooves 101 are arranged along the axial direction of the sleeve 3011. At the same time, the two slide grooves 101 and the sleeve 3011 are located on the same side of the motor mounting seat 305. A slide rail 1011 arranged along the length direction of the slide groove 101 is provided in the slide groove 101, and a slider 1012 is slidably connected to the slide rail 1011. The supporting member 302 is installed on the slider 1012, and the supporting member 302 is driven to slide on the slide rail 1011 by the slider 1012, so as to adjust the distance between the supporting member 302 and the sleeve 3011.

[0024] A fixing groove 102 parallel to the slide groove 101 is provided on the test platform 1, and fixing holes 3021 matched with the fixing groove 102 are provided at both ends of the support member 302. Furthermore, two fixing grooves 102 are provided, and the two fixing grooves 102 are located on opposite sides of the slide groove 101, and the fixing grooves 102 are arranged along the length direction of the slide groove 101. In addition, fixing holes 3021 are respectively provided at the bottom of both ends of the support member 302. When the support member 302 is adjusted to a suitable position, the fixing holes 3021 are connected and fixed to the fixing groove 102 by bolts, thereby fixing the position of the support member 302 and ensuring that the support member 302 does not move during the hinge test.

[0025] The carrier 302 is provided with a plurality of mounting holes 3022 for mounting the connecting structure. Furthermore, the plurality of mounting holes 3022 are distributed in an array on the surface of the carrier 302. The plurality of mounting holes 3022 are used to realize the installation and fixation of different connecting structures, thereby ensuring that the carrier 302 can be installed with different types of hinges.

[0026] The control system 2 includes a motor control board 202 electrically connected to the test mechanism 3, a power adapter 201 and a counting display 203 electrically connected to the counter 304. Furthermore, the motor control board 202, the power adapter 201 and the counting display 203 are all arranged on the test platform 1. The motor control board 202 is electrically connected to the forward and reverse detection controller 303 and the drive motor 301, and is used to receive the signal of the forward and reverse detection controller 303 and control the rotation direction of the output shaft of the drive motor 301. The counting display 203 is electrically connected to the counter 304 for displaying the number of times the hinge is folded; the power adapter 201 is electrically connected to the motor control board 202 and the counter 304, and is used to provide power to the motor control board 202 and the counter 304; in addition, a start switch 204 and a power switch 205 are also provided on one side of the counting display 203 for controlling the start of the test device.

[0027] Working principle: 1. Turn on the power switch 205 and press the start switch 204 to start the device working; 2. Power the motor control board 202 and the counter 304 through the power adapter 201; 3. The motor control board 202 controls the forward and reverse rotation of the drive motor 301. The motor control board 202 has multiple modes to choose from: a. The driving motor 301 rotates forward all the time; b. The driving motor 301 keeps reversing; c. The driving motor 301 rotates forward all the time, and then rotates reversely after receiving the control signal from the forward and reverse detection controller 303; d. The driving motor 301 rotates in reverse all the time, and rotates in the forward direction all the time after encountering the control signal of the forward and reverse detection controller 303; e. Control the rotation of the drive motor 301 by controlling the time of forward rotation, reverse rotation and intermediate stop; f. Control forward and reverse rotation through the control signal of the forward and reverse detection controller 303, and set the stop time between forward and reverse rotation separately to control the rotation of the drive motor 301; 4. The counter 304 counts the number of hinge rotations through the forward and reverse detection controller 303 and displays it.

[0028] 5. The driving motor 301 rotates to control the rotation of the hinge, and the hinge test is performed through the testing mechanism 3.

[0029] In actual use, Example 1: like Figure 3 As shown, in the present embodiment, the connection structure is a first transfer fixing block 401 arranged on the carrier 302 for fixing the straight hinge, a first transfer block 402 is arranged on the shaft sleeve 3011, and two ends of the straight hinge are respectively connected to the first transfer fixing block 401 and the first transfer block 402. Furthermore, the first transfer fixing block 401 is connected and fixed to the carrier 302 through the mounting hole 3022 on the carrier 302, the first transfer block 402 is connected to the shaft sleeve 3011 and rotates synchronously with the shaft sleeve 3011, the structures of the first transfer fixing block 401 and the first transfer block 402 are adapted to the straight hinge, and two ends of the straight hinge are respectively connected to the first transfer fixing block 401 and the first transfer block 302, and the first transfer block 402 is driven to rotate through the shaft sleeve 3011, thereby driving the straight hinge to rotate, thereby realizing the testing of the straight hinge.

[0030] In actual use, Example 2: like Figure 4As shown, in the present embodiment, the connection structure is a second adapter fixing block 501 arranged on the carrier 302 for fixing the disc spring hinge, a second adapter block 502 is arranged on the shaft sleeve 3011, and two ends of the disc spring hinge are respectively connected to the second adapter fixing block 501 and the second adapter block 502. Furthermore, the second adapter fixing block 501 is connected and fixed to the carrier 302 through the mounting hole 3022 on the carrier 302, the second adapter block 502 is connected to the shaft sleeve 3011 and rotates synchronously with the shaft sleeve 3011, the second adapter fixing block 501 and the second adapter block 502 are adapted to the structure of the disc spring hinge, and the two ends of the disc spring hinge are respectively connected to the second adapter fixing block 501 and the second adapter block 502, and the second adapter block 502 is driven to rotate through the shaft sleeve 3011, thereby driving the disc spring hinge to rotate, thereby realizing the testing of the disc spring hinge.

[0031] In actual use, Example 3: like Figure 5 As shown, in this embodiment, the test platform 1 is provided with a tooling plate 6, the tooling plate 6 is rotatably connected with a rotating tooling 602, the rotating tooling 602 is connected with a mounting plate 601, the two ends of the hinge are respectively connected to the tooling plate 6 and the mounting plate 601, the rotating tooling 602 is connected to the shaft sleeve 3011, and further, a rotating support seat 603 is provided on the tooling plate 6, the rotating tooling 602 is a U-shaped structure, the two ends of the U-shaped structure are respectively connected to the rotating support seat 603 and the shaft sleeve 3011, and the shaft sleeve 301 is connected to the rotating support seat 603. 1 drives the rotating fixture 602 to rotate, and at the same time, the top end of the mounting plate 601 is fixedly connected to the rotating fixture 602, and the bottom end of the mounting plate 601 is used to connect the hinge. Specifically, the two ends of the hinge are respectively connected to the bottom of the mounting plate 601 and the fixture plate 6. The rotation of the rotating fixture 602 drives the mounting plate 601 to rotate, thereby causing the hinge to bend. The above settings realize the simulation of the actual working environment of the hinge, so that the life test of the hinge is more in line with reality, and the accuracy of the hinge life test is improved.

[0032] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention; therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

[0033] Although the following terms are used more frequently in this paper: test platform 1, slide 101, slide rail 1011, slider 1012, fixed slot 102, control system 2, power adapter 201, motor control board 202, counting display 203, start switch 204, power switch 205, test mechanism 3, drive motor 301, shaft sleeve 3011, detection member 3012, bearing member 302, fixing hole 3021, mounting hole 3022, forward and reverse detection controller 303, counter 304, motor mounting seat 305, first transfer fixing block 401, first transfer block 402, second transfer fixing block 501, second transfer block 502, tooling plate 6, mounting plate 601, rotating tooling 602, rotating support seat 603, etc., the possibility of using other terms is not excluded. These terms are used only to more conveniently describe and explain the essence of the present invention; interpreting them as any additional restrictions is contrary to the spirit of the present invention.

Claims

1. A hinge life automatic testing device, characterized in that: The invention comprises a test platform (1) and a test mechanism (3) arranged on the test platform (1); the test mechanism (3) comprises a bearing member (302) for mounting various types of hinges and a drive motor (301) for testing the hinges; the bearing member (302) is slidably connected to the test platform (1); a connection structure for connecting different hinges is provided on the bearing member (302); a counter (304) and a forward and reverse rotation detection controller (303) are provided on the test platform (1); and a control system (2) electrically connected to the test mechanism (3) is also provided on the test platform (1).

2. The hinge life automatic testing device according to claim 1, characterized in that: The output shaft sleeve of the driving motor (301) is connected to a shaft sleeve (3011), the bearing member (302) is located in the axial direction of the shaft sleeve (3011), and a slide groove (101) is provided on the test platform (1) for moving the bearing member (302) along the axial direction of the shaft sleeve (3011).

3. The hinge life automatic testing device according to claim 2, characterized in that: The forward and reverse rotation detection controller (303) is located on opposite sides of the shaft sleeve (3011), and two detection members (3012) are provided on the outer wall of the shaft sleeve (3011) for facilitating the counting of the forward and reverse rotation detection controller (303), and the two detection members (3012) are arranged vertically.

4. The hinge life automatic testing device according to claim 2, characterized in that: A slide rail (1011) is provided in the slide groove (101), and a slider (1012) for connecting to the bearing member (302) is slidably connected to the slide rail (1011).

5. The hinge life automatic testing device according to claim 4, characterized in that: The test platform (1) is provided with a fixing groove (102) parallel to the sliding groove (101), and fixing holes (3021) matching the fixing groove (102) are provided at both ends of the bearing member (302).

6. The hinge life automatic testing device according to claim 1, characterized in that: The bearing member (302) is provided with a plurality of mounting holes (3022) for mounting the connection structure.

7. The hinge life automatic testing device according to claim 1, characterized in that: The control system (2) comprises a motor control board (202) electrically connected to the test mechanism (3), a power adapter (201), and a counting display (203) electrically connected to the counter (304).

8. The hinge life automatic testing device according to claim 2, characterized in that: The connection structure is a first transfer fixing block (401) arranged on the bearing member (302) for fixing the straight hinge, the shaft sleeve (3011) is provided with the first transfer block (402), and the two ends of the straight hinge are respectively connected to the first transfer fixing block (401) and the first transfer block (402).

9. The hinge life automatic testing device according to claim 2, characterized in that: The connection structure is a second transfer fixing block (501) arranged on the bearing member (302) for fixing the disc spring hinge, the second transfer block (502) is arranged on the shaft sleeve (3011), and the two ends of the disc spring hinge are respectively connected to the second transfer fixing block (501) and the second transfer block (502).

10. The hinge life automatic testing device according to claim 2, characterized in that: The test platform (1) is provided with a tooling plate (6), the tooling plate (6) is rotatably connected to a rotating tooling (602), the rotating tooling (602) is connected to a mounting plate (601), two ends of a hinge are respectively connected to the tooling plate (6) and the mounting plate (601), and the rotating tooling (602) is connected to a shaft sleeve (3011).

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