Mortise and tenon pulling assembly force testing machine

Abstract

The utility model discloses a mortise and tenon drawing assembly force testing machine, including frame, controller, rivet drawing test device and assembly force testing device, be provided with the placement area on the frame, the rivet drawing test device is located the X -axis direction of placement area, the rivet drawing test device at least includes X -axis drive mechanism, first force sensor and first drawing clamping mechanism, the assembly force testing device at least includes Y -axis drive mechanism, second force sensor and second drawing clamping mechanism, second force sensor is connected in second drawing clamping mechanism, Y -axis drive mechanism is connected in second drawing clamping mechanism to control second drawing clamping mechanism and go back and forth along Y -axis direction, like this, the rivet drawing test of X -axis direction and the assembly force test of Y -axis direction are integrated in the same equipment, can realize the quick, continuous test of two different mechanical properties of the same sample, improve test efficiency.

Description

Technical Field

[0001] This utility model relates to the field of furniture board testing devices, and in particular to a tenon and mortise pull-out assembly force testing machine, which mainly, but is not limited to, testing the tenon and mortise pull-out force and assembly force on furniture boards. Background Technology

[0002] In the field of production, research and development and quality control of mortise and tenon structures, testing their connection performance is the core link to ensure product reliability. It is necessary to assess the reasonableness of the fit during mortise and tenon assembly (avoiding installation problems caused by being too loose or too tight), and to verify the pull-out load-bearing capacity after assembly (to ensure that there is no loosening or separation during use). At the same time, some mortise and tenon structures also need to be reinforced with rivets, and the pull-out stability of the rivets needs to be tested simultaneously.

[0003] However, current testing equipment for mortise and tenon joints in the industry has significant limitations and cannot meet the full-dimensional testing needs. For example, most existing testing equipment can only test the assembly force of mortise and tenon joints (such as simulating the insertion process manually or with simple machinery and manually recording the force value), or can only test the pull-out force of mortise and tenon joints or rivets. If the full process of testing assembly force and rivet pull-out force needs to be completed, multiple devices need to be used for testing. This not only occupies space, but also results in low testing accuracy due to differences in testing benchmarks and force value accuracy between devices.

[0004] Therefore, a new technical solution needs to be researched to address the above problems. Utility Model Content

[0005] In view of this, the present invention addresses the deficiencies of the existing technology, and its main objective is to provide a tenon and mortise pull-out assembly force testing machine. Through the structural design and coordination of the rivet pull-out testing device and the assembly force testing device, the rivet pull-out test in the X-axis direction and the assembly force test in the Y-axis direction are integrated on the same device. This enables rapid and continuous testing of two different mechanical properties (rivet pull-out force and assembly force) of the same sample, improving testing efficiency, reducing the equipment footprint, and avoiding errors caused by differences in data benchmarks between multiple devices.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A tenon and mortise pull-out assembly force testing machine includes a frame and a controller, a rivet pull-out testing device, and an assembly force testing device mounted on the frame; the rivet pull-out testing device and the assembly force testing device are electrically connected to the controller.

[0008] The frame is provided with a placement area for placing the sample; the rivet pull-out testing device is located in the X-axis direction of the placement area, and the rivet pull-out testing device includes at least an X-axis drive mechanism, a first force sensor and a first pull-out clamping mechanism. The first pull-out clamping mechanism is used to clamp the rivet on the sample. The first force sensor is connected to the first pull-out clamping mechanism. The X-axis drive mechanism is connected to the first pull-out clamping mechanism to control the first pull-out clamping mechanism to move back and forth along the X-axis direction.

[0009] The assembly force testing device includes at least a Y-axis drive mechanism, a second force sensor, and a second pull-out clamping mechanism. The second pull-out clamping mechanism is used to install and cooperate with the positioning groove on the sample. The second force sensor is connected to the second pull-out clamping mechanism. The Y-axis drive mechanism is connected to the second pull-out clamping mechanism to control the second pull-out clamping mechanism to move back and forth along the Y-axis.

[0010] As a preferred embodiment, the rivet pull-out testing device further includes a first mounting frame and a first Y-axis guide rail. The first mounting frame is slidably connected to the first Y-axis guide rail to move along the extension direction of the first Y-axis guide rail. The X-axis drive mechanism, the first force sensor, and the first pull-out clamping mechanism are disposed on the first mounting frame, so that the rivet pull-out testing device can selectively move in the Y-axis direction to meet the pull-out test requirements of rivets of different specifications.

[0011] As a preferred embodiment, the X-axis drive mechanism includes a first drive motor, a first electric cylinder, a first X-axis guide rail, and a first mounting plate slidably connected to the first X-axis guide rail. The first force sensor and the first pull-out clamping mechanism are mounted on the first mounting plate. The first drive motor is connected to the first electric cylinder, and the drive shaft of the first electric cylinder is connected to the rear end of the first mounting plate, so that the first drive motor drives the first electric cylinder to move, thereby driving the first pull-out clamping mechanism to move back and forth along the X-axis direction, thus realizing the test of rivet pull-out force.

[0012] As a preferred embodiment, the first pull-out clamping mechanism includes a first clamping mounting base, a first clamping arm, and a second clamping arm. The rear ends of the first and second clamping arms are mounted and positioned on the first clamping mounting base, and the front ends of the first and second clamping arms form a clamping space for clamping rivets on the sample. The first force sensor is connected to the first clamping mounting base. By utilizing the design of the clamping space, the rivets are clamped, preventing them from loosening and affecting their use.

[0013] As a preferred embodiment, the assembly force testing device further includes a second mounting bracket and a second X-axis guide rail. The second mounting bracket is slidably connected to the second X-axis guide rail to move along the extension direction of the second X-axis guide rail. The Y-axis drive mechanism, the second force sensor, and the second pull-out clamping mechanism are disposed on the second mounting bracket, so that the assembly force testing device can move selectively in the X-axis direction to meet the assembly force testing of samples of different specifications.

[0014] As a preferred embodiment, the Y-axis drive mechanism includes a second drive motor, a second electric cylinder, a second Y-axis guide rail, and a second mounting plate slidably connected to the second X-axis guide rail. The first force sensor and the first pull-and-grip mechanism are mounted on the second mounting plate. The second drive motor is connected to the second electric cylinder, and the drive shaft of the second electric cylinder is connected to the rear end of the second mounting plate, so that the second drive motor drives the second electric cylinder to move, thereby driving the second pull-and-grip mechanism to move back and forth along the Y-axis direction.

[0015] As a preferred embodiment, the second pull-out clamping mechanism includes a second clamping mounting base and an extension arm. The rear end of the extension arm is mounted and positioned on the second clamping mounting base. The second force sensor is connected to the second clamping mounting base. The lower edge of the front end of the extension arm is provided with a positioning element for mounting and engaging with a positioning groove on the sample.

[0016] As a preferred embodiment, an auxiliary support platform is also provided on the side of the frame, and the auxiliary support platform and the placement area form a specific processing area to meet the testing requirements of samples of different specifications.

[0017] As a preferred embodiment, the placement area is further provided with several positioning blocks for positioning the sample.

[0018] As a preferred embodiment, the controller is positioned on the frame via a cantilever mounting.

[0019] Compared with the prior art, this utility model has obvious advantages and beneficial effects. Specifically, as can be seen from the above technical solution, it mainly achieves rapid and continuous testing of two different mechanical properties (rivet pull-out force and assembly force) of the same sample by combining the structural design and cooperation of the rivet pull-out test device and the assembly force test device. In this way, the rivet pull-out test in the X-axis direction and the assembly force test in the Y-axis direction are integrated on the same device, which can improve the testing efficiency, reduce the equipment footprint, and avoid errors caused by the difference in data benchmarks between multiple devices.

[0020] Secondly, the first force sensor is connected to the first pulling and clamping mechanism, and the X-axis drive mechanism is connected to the first pulling and clamping mechanism to control the first pulling and clamping mechanism to move back and forth along the X-axis direction; the second force sensor is connected to the second pulling and clamping mechanism, and the Y-axis drive mechanism is connected to the second pulling and clamping mechanism to control the second pulling and clamping mechanism to move back and forth along the Y-axis direction. In this way, the first and second force sensors can capture the subtle force changes in the pulling and assembly process in real time, and the X-axis and Y-axis drive mechanisms can accurately control the movement direction and speed of the corresponding clamping mechanisms, avoiding force deviations caused by manual operation or instability of the mechanism;

[0021] In particular, the two testing devices are independently arranged in the mutually perpendicular X-axis and Y-axis directions, so that when one test is performed, it will not cause mechanical interference to the clamping state or sample position of the other test.

[0022] The design also includes an electrical connection between the rivet pull-out test device and the assembly force test device and the controller. The controller can centrally collect and process sensor data, reducing human error in recording.

[0023] To more clearly illustrate the structural features and effects of this utility model, the following detailed description of this utility model is provided in conjunction with the accompanying drawings and specific embodiments. Attached Figure Description

[0024] Figure 1 This is a perspective view of an embodiment of the present utility model;

[0025] Figure 2 This is another perspective view of an embodiment of the present utility model;

[0026] Figure 3 This is another perspective view of an embodiment of the present utility model;

[0027] Figure 4 yes Figure 2 A magnified view of a section at point A in the middle;

[0028] Figure 5 This is a partial structural schematic diagram of an embodiment of the present utility model.

[0029] Explanation of reference numerals in the attached diagram:

[0030] 10. Rack 11. Placement Area

[0031] 111. Positioning block; 12. Auxiliary support platform

[0032] 20. Controller 21. Cantilever

[0033] 30. Rivet pull-out test device; 31. X-axis drive mechanism

[0034] 32. First force sensor; 33. First pull-out clamping mechanism

[0035] 34. First mounting bracket; 35. First Y-axis guide rail

[0036] 311. First drive motor; 312. First electric cylinder

[0037] 313. First X-axis guide rail; 314. First mounting plate

[0038] 331. First clamping mounting base; 332. First clamping arm

[0039] 333. Second clamping arm

[0040] 40. Assembly force testing device; 41. Y-axis drive mechanism

[0041] 42. Second force sensor; 43. Second pull-out clamping mechanism

[0042] 44. Second mounting bracket 45. Second X-axis guide rail

[0043] 411. Second drive motor; 412. Second electric cylinder

[0044] 413. Second Y-axis guide rail; 414. Second mounting plate

[0045] 431. Second clamping mounting base; 432. Extension arm

[0046] 50. Sample 51. Rivet

[0047] 52. Positioning groove. Detailed Implementation

[0048] Please refer to Figures 1 to 5 As shown, it illustrates the specific structure of an embodiment of the present invention.

[0049] In the description of this utility model, it should be noted that the directional terms such as "up", "down", "front", "back", "left", and "right" indicate the orientation and positional relationship based on the accompanying drawings or the orientation or positional relationship shown when wearing and using the device normally. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. They should not be construed as limiting the specific protection scope of this utility model.

[0050] A tenon and mortise pull-out assembly force testing machine includes a frame 10, a controller 20, a rivet pull-out testing device 30, and an assembly force testing device 40.

[0051] The controller 20, the rivet pull-out test device 30, and the assembly force test device 40 are mounted on the frame 10. The rivet pull-out test device 30 and the assembly force test device 40 are electrically connected to the controller 20. Preferably, the controller 20 is mounted and positioned on the frame 10 via a cantilever 21.

[0052] The frame 10 is provided with a placement area 11 for placing the sample 50; preferably, the placement area 11 is also provided with a plurality of positioning blocks 111 for positioning the sample 50.

[0053] Preferably, an auxiliary support platform 12 is also provided on the side of the frame 10, and the auxiliary support platform 12 and the placement area 11 form a specific processing area to meet the testing requirements of samples 50 of different specifications.

[0054] The rivet pull-out testing device 30 is located in the X-axis direction of the placement area 11. The rivet pull-out testing device 30 includes at least an X-axis drive mechanism 31, a first force sensor 32, and a first pull-out clamping mechanism 33. The first pull-out clamping mechanism 33 is used to clamp the rivet 51 on the sample 50. The first force sensor 32 is connected to the first pull-out clamping mechanism 33. The X-axis drive mechanism 31 is connected to the first pull-out clamping mechanism 33 to control the first pull-out clamping mechanism 33 to move back and forth along the X-axis direction.

[0055] Preferably, the rivet pull-out testing device 30 further includes a first mounting frame 34 and a first Y-axis guide rail 35. The first mounting frame 34 is slidably connected to the first Y-axis guide rail 35 via a first slider, so as to move in the extension direction of the first Y-axis guide rail 35. The X-axis drive mechanism 31, the first force sensor 32, and the first pull-out clamping mechanism 33 are disposed on the first mounting frame 34, so that the rivet pull-out testing device 30 can selectively move in the Y-axis direction to meet the pull-out test of rivets 51 of different specifications.

[0056] In this embodiment, the rivet pull-out testing device 30 further includes a first Y-axis driving device for driving the first mounting frame 34 to move. The first Y-axis driving device is connected to the first mounting frame 34 to drive the first mounting frame 34 to move along the length direction of the first Y-axis guide rail 35, so as to meet the pull-out test of rivets 51 of different specifications. Since the size of the sample 50 is different, the setting position of the rivets 51 on the sample 50 will also be different. Thus, the first Y-axis driving device and the first Y-axis guide rail 35 are used to achieve the test at different positions.

[0057] Preferably, the X-axis drive mechanism 31 includes a first drive motor 311, a first electric cylinder 312, a first X-axis guide rail 313, and a first mounting plate 314 slidably connected to the first X-axis guide rail 313. The first force sensor 32 and the first pull-out clamping mechanism 33 are mounted on the first mounting plate 314. The first drive motor 311 is connected to the first electric cylinder 312, and the drive shaft of the first electric cylinder 312 is connected to the rear end of the first mounting plate 314, so that the first drive motor 311 drives the first electric cylinder 312 to move, thereby driving the first pull-out clamping mechanism 33 to move back and forth along the X-axis direction, thus realizing the test of the pull-out force of the rivet 51.

[0058] Preferably, the first pull-out clamping mechanism 33 includes a first clamping mounting base 331, a first clamping arm 332, and a second clamping arm 333. The rear ends of the first clamping arm 332 and the second clamping arm 333 are mounted and positioned on the first clamping mounting base 331. The front ends of the first clamping arm 332 and the second clamping arm 333 form a clamping space for clamping the rivet 51 on the sample 50. The first force sensor 32 is connected to the first clamping mounting base 331. By utilizing the design of the clamping space, the rivet 51 is clamped, preventing it from loosening and affecting its use.

[0059] The assembly force testing device 40 includes at least a Y-axis drive mechanism 41, a second force sensor 42, and a second pull-out clamping mechanism 43. The second pull-out clamping mechanism 43 is used to install and cooperate with the positioning groove 52 on the sample 50. The second force sensor 42 is connected to the second pull-out clamping mechanism 43. The Y-axis drive mechanism 41 is connected to the second pull-out clamping mechanism 43 to control the second pull-out clamping mechanism 43 to move back and forth along the Y-axis direction.

[0060] Preferably, the assembly force testing device 40 further includes a second mounting bracket 44 and a second X-axis guide rail 45. The second mounting bracket 44 is slidably connected to the second X-axis guide rail 45 via a second slider so as to move in the extension direction of the second X-axis guide rail 45. The Y-axis drive mechanism 41, the second force sensor 42, and the second pull-out clamping mechanism 43 are disposed on the second mounting bracket 44, so that the assembly force testing device 40 can be selectively moved in the X-axis direction to meet the assembly force testing of samples 50 of different specifications.

[0061] In this embodiment, the assembly force testing device 40 further includes a first X-axis driving device for driving the second mounting bracket 44 to move. The first X-axis driving device is connected to the second mounting bracket 44 to drive the second mounting bracket 44 to move along the length direction of the first X-axis guide rail 313. Since the size of the sample 50 is different, the positioning groove 52 on the sample 50 will also be set in different positions. Thus, the first X-axis driving device and the second X-axis guide rail 45 are used to achieve testing at different positions.

[0062] Preferably, the Y-axis drive mechanism 41 includes a second drive motor 411, a second electric cylinder 412, a second Y-axis guide rail 413, and a second mounting plate 414 slidably connected to the second X-axis guide rail 45. The first force sensor 32 and the first pull-and-grip mechanism 33 are mounted on the second mounting plate 414. The second drive motor 411 is connected to the second electric cylinder 412, and the drive shaft of the second electric cylinder 412 is connected to the rear end of the second mounting plate 414, so that the second drive motor 411 drives the second electric cylinder 412 to move, thereby driving the second pull-and-grip mechanism 43 to move back and forth along the Y-axis direction.

[0063] Preferably, the second pull-out clamping mechanism 43 includes a second clamping mounting base 431 and an extension arm 432. The rear end of the extension arm 432 is mounted and positioned on the second clamping mounting base 431. The second force sensor 42 is connected to the second clamping mounting base 431. The lower edge of the front end of the extension arm 432 is provided with a positioning element for mounting and engaging with the positioning groove 52 on the sample 50.

[0064] The general working process of this embodiment is described in detail below:

[0065] Positioning steps for sample 50:

[0066] First, the sample 50 is placed horizontally on the placement area 11. The positioning block 111 on the placement area 11 is used to position the sample 50. A rivet 51 is provided on the X-axis direction of the sample 50, and a positioning groove 52 is provided on the upper end surface of the sample 50.

[0067] Rivet 51 pull-out test procedure:

[0068] The first pull-out clamping mechanism 33 clamps the rivet 51 through the clamping space formed by the first clamping arm 332 and the second clamping arm 333. The first electric cylinder 312 is driven by the first drive motor 311 to move, so as to drive the first pull-out clamping mechanism 33 to move along the X-axis to pull the sample 50. The pull-out force is measured by the design of the first force sensor 32.

[0069] Assembly force test procedure:

[0070] The second pull-out clamping mechanism 43 uses a positioning element provided at the lower edge of the front end of the extension arm 432 to cooperate with the positioning groove 52 on the sample 50. The second electric cylinder 412 is driven by the second drive motor 411 to move, so as to drive the second pull-out clamping mechanism 43 to move along the Y-axis to pull the sample 50. The maximum force of the process is accurately measured by the second force sensor 42.

[0071] The key design feature of this invention lies in the structural design and coordination of the rivet pull-out testing device and the assembly force testing device. This integrates the rivet pull-out test in the X-axis direction and the assembly force test in the Y-axis direction onto the same device, enabling rapid and continuous testing of two different mechanical properties (rivet pull-out force and assembly force) of the same sample. This improves testing efficiency, reduces the equipment footprint, and avoids errors caused by differences in data benchmarks between multiple devices.

[0072] Secondly, the first force sensor is connected to the first pulling and clamping mechanism, and the X-axis drive mechanism is connected to the first pulling and clamping mechanism to control the first pulling and clamping mechanism to move back and forth along the X-axis direction; the second force sensor is connected to the second pulling and clamping mechanism, and the Y-axis drive mechanism is connected to the second pulling and clamping mechanism to control the second pulling and clamping mechanism to move back and forth along the Y-axis direction. In this way, the first and second force sensors can capture the subtle force changes in the pulling and assembly process in real time, and the X-axis and Y-axis drive mechanisms can accurately control the movement direction and speed of the corresponding clamping mechanisms, avoiding force deviations caused by manual operation or instability of the mechanism;

[0073] In particular, the two testing devices are independently arranged in the mutually perpendicular X-axis and Y-axis directions, so that when one test is performed, it will not cause mechanical interference to the clamping state or sample position of the other test.

[0074] The design also includes an electrical connection between the rivet pull-out test device and the assembly force test device and the controller. The controller can centrally collect and process sensor data, reducing human error in recording.

[0075] The above description is merely a preferred embodiment of the present utility model and does not constitute any limitation on the technical scope of the present utility model. Therefore, any minor modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model shall still fall within the scope of the technical solution of the present utility model.

Claims

1. A tenon and mortise pull-out assembly force testing machine, characterized in that: It includes a frame and a controller mounted on the frame, a rivet pull-out testing device, and an assembly force testing device; the rivet pull-out testing device and the assembly force testing device are electrically connected to the controller; The frame is provided with a placement area for placing the sample; the rivet pull-out testing device is located in the X-axis direction of the placement area, and the rivet pull-out testing device includes at least an X-axis drive mechanism, a first force sensor and a first pull-out clamping mechanism. The first pull-out clamping mechanism is used to clamp the rivet on the sample. The first force sensor is connected to the first pull-out clamping mechanism. The X-axis drive mechanism is connected to the first pull-out clamping mechanism to control the first pull-out clamping mechanism to move back and forth along the X-axis direction. The assembly force testing device includes at least a Y-axis drive mechanism, a second force sensor, and a second pull-out clamping mechanism. The second pull-out clamping mechanism is used to install and cooperate with the positioning groove on the sample. The second force sensor is connected to the second pull-out clamping mechanism. The Y-axis drive mechanism is connected to the second pull-out clamping mechanism to control the second pull-out clamping mechanism to move back and forth along the Y-axis.

2. The tenon and mortise pull-out assembly force testing machine according to claim 1, characterized in that: The rivet pull-out testing device further includes a first mounting frame and a first Y-axis guide rail. The first mounting frame is slidably connected to the first Y-axis guide rail so as to move in the extension direction of the first Y-axis guide rail. The X-axis drive mechanism, the first force sensor and the first pull-out clamping mechanism are disposed on the first mounting frame.

3. The tenon and mortise pull-out assembly force testing machine according to claim 1, characterized in that: The X-axis drive mechanism includes a first drive motor, a first electric cylinder, a first X-axis guide rail, and a first mounting plate slidably connected to the first X-axis guide rail. The first force sensor and the first pull-and-grip mechanism are mounted on the first mounting plate. The first drive motor is connected to the first electric cylinder, and the drive shaft of the first electric cylinder is connected to the rear end of the first mounting plate, so that the first drive motor drives the first electric cylinder to move, thereby driving the first pull-and-grip mechanism to move back and forth along the X-axis direction.

4. The tenon and mortise pull-out assembly force testing machine according to claim 1 or 3, characterized in that: The first pull-out clamping mechanism includes a first clamping mounting base, a first clamping arm, and a second clamping arm. The rear ends of the first clamping arm and the second clamping arm are mounted and positioned on the first clamping mounting base. The front ends of the first clamping arm and the second clamping arm form a clamping space for clamping rivets on the sample. The first force sensor is connected to the first clamping mounting base.

5. The tenon and mortise pull-out assembly force testing machine according to claim 1, characterized in that: The assembly force testing device further includes a second mounting bracket and a second X-axis guide rail. The second mounting bracket is slidably connected to the second X-axis guide rail to move along the extension direction of the second X-axis guide rail. The Y-axis drive mechanism, the second force sensor, and the second pull-out clamping mechanism are disposed on the second mounting bracket.

6. The tenon and mortise pull-out assembly force testing machine according to claim 1 or 5, characterized in that: The Y-axis drive mechanism includes a second drive motor, a second electric cylinder, a second Y-axis guide rail, and a second mounting plate slidably connected to the second X-axis guide rail. The first force sensor and the first pull-and-grip mechanism are mounted on the second mounting plate. The second drive motor is connected to the second electric cylinder, and the drive shaft of the second electric cylinder is connected to the rear end of the second mounting plate, so that the second drive motor drives the second electric cylinder to move, thereby driving the second pull-and-grip mechanism to move back and forth along the Y-axis direction.

7. The tenon and mortise pull-out assembly force testing machine according to claim 1 or 6, characterized in that: The second pull-out clamping mechanism includes a second clamping mounting base and an extension arm. The rear end of the extension arm is mounted and positioned on the second clamping mounting base. The second force sensor is connected to the second clamping mounting base. The lower edge of the front end of the extension arm is provided with a positioning element for mounting and engaging with the positioning groove on the sample.

8. The tenon and mortise pull-out assembly force testing machine according to claim 1, characterized in that: An auxiliary support platform is also provided on the side of the frame, and the auxiliary support platform and the placement area form a processing area.

9. The tenon and mortise pull-out assembly force testing machine according to claim 1, characterized in that: The placement area is also equipped with several positioning blocks for positioning the sample.

10. The tenon and mortise pull-out assembly force testing machine according to claim 1, characterized in that: The controller is positioned on the frame via a cantilever mounting.

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