TWM614651U - Apparatus for testing torsion - Google Patents

Abstract

A torsion detection device includes a base, a load sensing element, a pusher, a transmission module with a torque transmission part, a drive module, a fixing member and a housing. One side of the load-sensing element is connected to a fixing piece, and the fixing piece is suspended on the base, the ejector abuts against the load-sensing element, the driving module is coupled to the transmission module, and the transmission module is The group actuates correspondingly according to the driving of the driving module. The ejector receives the reciprocating pressing force from the torque transmission part of the transmission module, so as to transmit the pressing force to the load sensing element, so that The load sensing element senses and transmits the torque value.

Description

Torque detection device

This creation is related to a torque detection device, especially a torque detection device that can adjust the transmission element to eliminate the torsion gap problem generated during operation.

According to, the production of pivoting parts, such as screws, bolts or knob switches, etc. are parts of related products, and the finished products manufactured by the pivoting parts should still meet the quality requirements of production management, so that the pivoting parts can be installed After related products, functions such as control or adjustment can be performed normally. At present, torsion testing devices are used to test the quality of the pivoting member, such as torsion tests such as the tightening, loosening, torque, and stopping resistance of the pivoting member. The existing torque detection device is mainly composed of a driving device, a transmission element and a load sensor. The transmission element has a pusher and a bearing, the bearing is arranged in the groove of the pusher, and the two sides of the bearing abut against the inner wall of the groove; the driving device is connected to the bearing. When testing the pivoting member, when the driving device drives the two sides of the bearing to reciprocate and apply force to both sides of the inner wall of the groove, the pusher will transmit the torsion force to the load sensor, which is sensed by the load sensor. Measure the torque value of the pivot member when it is tested.

However, if the bearing is used as the torque transmission function, because the bearings are installed in the groove of the ejector with a fixed size, there will be a gap between the bearing and the ejector due to factors such as the number of torsion test operations and time, and The large side width of the bearing will also generate additional torque during operation, resulting in an inaccurate torque value when the sensing pivot is tested. Therefore, how to improve the accuracy of detecting torque is a problem to be solved urgently.

In view of the shortcomings of the above-mentioned conventional knowledge, it is necessary to develop a problem to improve the accuracy of the torque detection device. Adhering to the creative spirit of perseverance, after many discussions and trial works and fully perfected ideas and improvements, this creation is launched.

The main purpose of this creation is to provide a torsion detection device, especially to adjust the closeness between the adjustable transmission member and the outer wall of the ejector by simple operation, so as to eliminate the torsion gap generated by the operation, and then Improve the accuracy of detecting the maximum static friction torque value of the workpiece to be tested.

The secondary purpose of this creation is to provide a torque detection device, especially the use of equal torque transmission structure design, which can solve the problem of large measurement errors in the existing torque transmission due to displacement deviation.

In order to achieve the above-mentioned objective, this creation proposes a torque detection device, which includes a base, a load sensing element arranged on the base, a pusher, a transmission module, and a drive module. The ejector has a symmetrical first extending side wall and a second extending side wall. The first extending side wall and the second extending side wall are connected to form an abutting portion, and the abutting portion abuts on the load sensing element. The transmission module includes a main body and two adjustable transmission parts installed on both sides of the main body. Each adjustable transmission part includes a torque transmission part and an active adjustment element. The torque transmission parts respectively abut against the first The outer side wall of the extension side wall and the second extension side wall, and the active adjustment element is used for adjusting the tight abutment degree between the torsion transmission part and the outer side wall. The drive module is coupled to the drive module, and the drive module is actuated correspondingly according to the drive of the drive module. The pusher receives the reciprocating pushing force from the torque transmission portion to transmit the pushing force The load sensing element is used to measure the maximum static friction torque value of the workpiece to be tested.

10: Pedestal

20: Load sensing element

30: pusher

31: The first extension side wall

32: second extension side wall

33: abutment

34: third extension side wall

35: Slotting

40: Transmission module

41: body

411: pivot shaft

412: first transmission arm

413: second transmission arm

42: Adjustable transmission parts

421: Torque Transmission Department

4211: Rollable element

4212: driven adjuster

422: Active adjustment component

50: drive module

51: drive shaft

52: Installation Department

60: fixed parts

61: Bearing Department

70: shell

71: accommodating space

72: opening

73: cover

74: mounting hole

80: Fixture

A: Workpiece to be tested

D: spacing

The first picture is the three-dimensional structure diagram of the creation.

Figure 2 is a three-dimensional structure diagram from another perspective of the creation.

Fig. 3 is a perspective view of a part of the components of Fig. 2 in perspective.

Figure 4 is an exploded perspective view of Figure 1.

Figure 5 is a partial enlarged view from the first perspective of the creation.

Figure 6 is a partial enlarged view from the second perspective of the creation.

Figure 7 is a partial enlarged view of the third perspective of the creation.

Figure 8 is a cross-sectional view of the structure of Figure 1.

Figure 9 is a schematic diagram of the creation and installation of the fixture to be tested.

Figure 10 is a schematic diagram of the operation created to detect the workpiece to be tested.

Figure 11 is a schematic diagram of the adjustment and use of the creative cover detachment.

Please refer to Figures 1 to 3 at the same time. Figure 1 is a three-dimensional structure diagram of the creation; Figure 2 is a three-dimensional structure diagram of the creation from another perspective; Figure 3 is a perspective perspective view of some of the components in Figure 2 Structure diagram. The torque detection device includes a base 10, a load sensing element 20, an ejector 30, a transmission module 40, a driving module 50, a fixing member 60 and a housing 70. The fixing member 60 is disposed on the base 10, the load sensing element 20 is suspended on the base 10 by the fixing member 60, and the ejector 30 abuts against the load sensing element 20. The drive module 50 is coupled to the drive module 40, and the drive module 40 acts accordingly according to the drive of the drive module 50. The ejector 30 receives the reciprocating pressing force from the torque transmission part 421 of the drive module 40, thereby The pushing force is transmitted to the load sensing element 20, and the load sensing element 20 is used to sense the pushing force to generate a sensing signal, and transmit the sensing signal to an external electronic device for processing, so as to obtain the workpiece A under test Maximum static friction torque value. A motor drive is installed on one side of the drive module 50 (not shown in the figure).

In order to further understand that this creation can achieve the above-mentioned effects, the components of this creation and their assembly methods will be described in detail later. Please refer to Figs. 4 to 8 at the same time. Fig. 4 is a perspective exploded view of Fig. 1; Figs. 5 to 7 are partial enlarged views of the creation from various perspectives; Fig. 8 is a cross-sectional view of the structure of Fig. 1. . The fixing member 60 is used to fix the load sensing element 20 and the base 10, and the fixing member 60 has a The carrying portion 61 is used to support the bottom of the load sensing element 20 to form a horizontal correction and support function, so that a distance D is formed between the load sensing element 20 and the base 10; that is, the load sensing element 20 can reach Hengping effect and avoid excess force. The ejector 30 has a first extending side wall 31 and a second extending side wall 32 that are symmetrical. The first extension side wall 31 and the second extension side wall 32 are connected to form an abutting portion 33, and the abutting portion 33 abuts on the load sensing element 20. There is a slot 35 between the first extension side wall 31 and the second extension side wall 32. The slot 35 is located on the opposite side of the abutment portion 33. The slot 35 has the effect of reducing the weight of the overall ejector 30 and reducing the transmission module. 40 The strength of the torsion force transmitted by the ejector 30. Wherein, the second extending side wall 32 extends vertically with a third extending side wall 34, and the third extending side wall 34 is installed and fixed on a side of the load sensing element 20. In this embodiment, the design of the ejector 30 is a ㄐ-shaped structure. Of course, this creation is not limited to the structure of the ejector 30. As long as the effect of torsion can be transmitted, it belongs to the scope of protection of this patent.

The transmission module 40 includes a main body 41 and two adjustable transmission members 42 installed on both sides of the main body 41. The two adjustable transmission members 42 have the same structure and are used to transmit the torsion force of the workpiece A to be measured and adjust the torque gap. effect. The main body 41 has a pivotal axis portion 411 and a first transmission arm 412 and a second transmission arm 413 extending from both sides of the pivotal axis portion 411. It is worth noting that the pivotal shaft portion 411 is taken as the central driving position, so that the first transmission arm 412 and the second transmission arm 413 have the same torque length, which mainly allows the pivotal torsion to move from the pivotal shaft portion 411 toward the first transmission arm. The transmission arm 412 and the second transmission arm 413 are conducted equidistantly. The adjustable transmission member 42 includes a torque transmission portion 421 and an active adjustment element 422, and the torque transmission portion 421 includes a rollable element 4211 and a driven adjustment member 4212 connected to each other. The torque transmission portion 421 respectively abuts against the outer side walls of the first extension side wall 31 and the second extension side wall 32 of the ejector 30, and the active adjustment element 422 is used to adjust the tight contact between the torque transmission portion 421 and the outer side wall. Depends on the degree. The driven adjusting member 4212 and the active adjusting member 422 are matched. For example, the driven adjusting member 4212 is a screw rod, and the active adjusting member 422 is a nut. The rollable element 4211 is mounted on the driven adjusting element 4212 and is far away from the active adjusting element 422. The rollable element 4211 abuts against the outer side walls of the first extending side wall 31 and the second extending side wall 32 of the ejector 30. The rolling element 4211 can be a ball. With the above structure The connection relationship shows that the adjustment range between the driven adjustment element 4212 and the active adjustment element 422 is to adjust the roll element 4211 and the outer side wall of the first extension side wall 31 and the second extension side wall 32 of the ejector 30 The tightness between the walls.

Continuing from the content of the previous paragraph, the pivotal torsion force is transmitted equidistantly from the pivotal shaft portion 411 toward the first transmission arm 412 and the second transmission arm 413. This creation is a structural design with the ejector 30, and the first extension side wall 31 The wall thickness of the second extension side wall 32 is greater than that of the second extension side wall 32. The weight of the center of gravity of the torsion transmission can be adjusted by different wall thicknesses. The rotation produces an offset, thereby reducing the effect of clearance and torque loss.

The housing 70 has an accommodating space 71, and the housing 70 is used to cover the base 10 so that the load sensing element 20, the ejector 30, the transmission module 40 and some components of the drive module 50 are located in the accommodating space. Space 71. The housing 70 includes at least two openings 72, two cover plates 73 and a mounting hole 74. The opening 72 communicates with the accommodating space 71, and the opening 72 corresponds to the positions of the ejector 30 and the transmission module 40. The drive module 50 has a drive shaft 51 and a mounting portion 52. The drive shaft 51 penetrates the mounting hole 74 and is axially connected to the transmission module 40, that is, the drive shaft 51 is axially connected to the pivotal shaft portion of the body 41 411. The mounting portion 52 is pivotally connected to the drive shaft 51, the mounting portion 52 is located outside the housing 70, and the mounting portion 52 is far away from the transmission module 40, and the mounting portion 52 is used to mount a jig 80 of the workpiece A to be tested.

In order to increase the operation stability and structural strength, the main body 41 further includes at least one shaft connection hole 414 and a shaft connection member 415. The shaft connection member 415 is used to pass through the shaft connection hole 414 and be fixed to the drive shaft member 51. The shaft connection part 415 can be composed of a stop screw and a nut. The shaft connection hole 414 can be a screw hole. The corresponding screw hole of the stop screw is used to screw until the stop screw presses the drive shaft 51 to achieve a fixing effect. A stop screw is used to fix the outer edge of the shaft hole 414 of the main body 41. In addition, the number of shaft connecting holes 414 and shaft connecting pieces 415 can be increased according to actual operational requirements for stability and structural strength, and the number used in this creation is not limited here. Among them, the matching structure design of the stop screw, the nut and the screw hole is only illustrative of the application aspect of this embodiment. As long as the fixing method between the shaft connection part 415 and the drive shaft part 51 can be adjusted, it is the patent protection of this creation. category.

The above-mentioned assembly method between the various elements can be any type of structural design. For example, the housing 70 and the fixing member 60 are assembled on the base 10, and the third extending side wall 34 of the ejector 30 is assembled on the load sensing element. One side of 20, part of the main body of the drive module 50 is assembled on the housing 70, etc., which can be assembled, fixed and disassembled by the combination of fixing elements and fixing holes, or the male and female parts can be assembled and fixed with each other. Since the assembly method is a common technical method, it will not be repeated here. As long as the components can be assembled and fixed to each other, it belongs to the scope of patent protection of this creation.

After understanding the components, assembly methods, and functional uses of this creation from the above description, the actual application methods will be detailed in the follow-up. Please refer to Figure 9 and Figure 10 at the same time. Figure 9 is a schematic diagram of the creation and installation of the workpiece to be tested; Figure 10 is a schematic diagram of the creation of the work in detecting the workpiece to be tested. The mounting part 52 of the drive module 50 is used to install a jig 80 and place a workpiece A to be tested into the jig 80. The jig 80 is a product workpiece that matches the workpiece A to be tested. The driving module 50 is used for driving and detecting the pivoting operation of the workpiece A to be tested. By the pivoting torque of the driving shaft 51, the driving module 40 is actuated correspondingly according to the driving of the driving module 50. Specifically, the pivotal torsion force extends from both sides of the pivotal shaft portion 411 to the first transmission arm 412 and the second transmission arm 413, and at the same time drives the rollable element 4211 of the torsion transmission portion 421 to reciprocately push the first transmission member 30 An extension side wall 31 and an outer side wall of the second extension side wall 32. The ejector 30 receives the reciprocating pressing force of the rolling element 4211 from the torque transmission portion 421, thereby transmitting the pressing force to the load sensing element 20, and the load sensing element 20 is used to sense the pressing force to generate The sensing signal is sent to an external electronic device for processing (such as a computer, a smart phone or other electronic device that can calculate the value of the sensed torque, etc.) to obtain the maximum static friction torque value of the workpiece A to be tested.

It is worth noting that this creation can reduce the residual force generated during the operation of the torsion transmission part 421, so the ball is used as the outer wall of the first extension side wall 31 and the second extension side wall 32 of the pusher 30 to sense the load. The element 20 can sense precise torque. This solves the problem that the large contact area of the bearing in the prior art leads to a large excess force, which in turn affects the sensing accuracy of the load sensing element 20.

When the number of times and time of the detected torque increases, the torsion gap between the ejector 30 and the two adjustable transmission members 42 will be generated, and the torque measurement will produce an error value, in order to solve the torque error value. For the problem, please refer to Figure 11. The opening 72 can be exposed by removing the cover 73. This creation specifically corresponds the position of the opening 72 to the position of the ejector 30 and the transmission module 40 to facilitate the adjustment of the two adjustable transmission components. 42 make adjustments. In detail, the operator operates the active adjustment element 422 to adjust the tight abutment between the rollable element 4211 of the torque transmission portion 421 and the outer side walls of the first extension side wall 31 and the second extension side wall 32 of the ejector 30 With the calculation processing function of the external electronic device, the external electronic device eliminates the extra torque generated according to the degree of adjustment of the gap between the roll element 4211 and the outer side wall (equivalent to the degree of tight abutment), so that Detect the maximum static friction torque value to achieve accuracy. After adjustment, cover the opening 72 with the cover 73 to complete the adjustment operation.

To sum up, the adjustment method of this creation is not only convenient to operate, but also effective in eliminating the torsion gap generated by the operation. It can also use the equal torque transmission structure design to solve the existing torque transmission caused by displacement deviation. Problems with large measurement errors. Knowing that this creation can indeed be widely used by related industries, and that this creation has already complied with the provisions of the Patent Law before the application, Yan filed a new patent application in accordance with the law, and I implore the Jun Bureau to investigate and approve the patent. It is indeed a prayer.

However, the foregoing is only a feasible embodiment of this creation and should be able to limit the scope of implementation of this creation, that is, all changes or modifications made in accordance with the characteristics and spirit described in the scope of this creation application should still belong to This creation patent covers the scope.

10: Pedestal

20: Load sensing element

30: pusher

40: Transmission module

50: drive module

60: fixed parts

70: shell

73: cover

Claims (10)

A torque detection device includes: A pedestal A load sensing element arranged on the base; A pusher having a symmetrical first extending side wall and a second extending side wall, the first extending side wall and the second extending side wall are connected to form an abutting portion, and the abutting portion abuts against the load sensor Component A transmission module includes a main body and the two adjustable transmission parts installed on both sides of the main body, each of the adjustable transmission parts includes a torque transmission part and an active adjustment element, the torque transmission part is each Do not correspond to the outer side walls of the first extension side wall and the second extension side wall, and the active adjustment element is used to adjust the degree of tight abutment between the torque transmission portion and the outer side wall; and A driving module, coupled to the transmission module; Wherein, the transmission module is actuated correspondingly according to the driving of the driving module, and the pusher receives the reciprocating pressing force from the torque transmission part, so as to transmit the pressing force to the load sensing element. The torque detection device according to claim 1, wherein the second extension side wall extends vertically with a third extension side wall, and the third extension side wall is installed and fixed to a side of the load sensing element. The torque detection device according to claim 1, wherein the body has a pivotal shaft portion and a first transmission arm and a second transmission arm extending from both sides of the pivotal shaft portion, and the drive module has a drive A shaft, the drive shaft is axially connected to the pivotal shaft portion, the two adjustable transmission members are respectively installed between the first transmission arm and the first extending side wall, and the second transmission arm and the first Between two extending side walls. The torque detection device according to claim 1, wherein the wall thickness of the first extension side wall is greater than the wall thickness of the second extension side wall. The torque detection device according to claim 1, further comprising a fixing member for fixing between the load sensing element and the base, and the fixing member has a bearing portion for supporting the The bottom of the load-sensing element forms a distance between the load-sensing element and the base. The torque detection device according to claim 1, further comprising a housing with an accommodating space, the housing is used to cover the base, the load sensing element, the ejector, and the transmission The module and some components of the driving module are located in the accommodating space. The torque detection device according to claim 6, wherein the housing includes at least two openings, two cover plates, and a mounting hole, the opening communicates with the accommodating space, and the opening corresponds to the pusher and the transmission module Position, the drive module has a drive shaft, the drive shaft penetrates the mounting hole and is axially connected to the transmission module. The torque detection device according to claim 1, wherein the drive module has a drive shaft, and the body further includes at least one shaft connection hole and a shaft connection part, the shaft connection part is used to penetrate the shaft connection hole and be fixed to The drive shaft. The torque detection device according to claim 1, wherein the torque transmission portion includes a rollable element and a driven adjuster connected to each other, and the rollable element abuts against the first extension side wall and the second extension side wall The driven adjusting element and the active adjusting element are matched, and the adjustment range between the driven adjusting element and the active adjusting element is the tight resistance between the adjustable rolling element and the outer side wall Depends on the degree. The torque detection device according to claim 1, wherein the drive module further includes a mounting part for mounting a jig of the workpiece to be tested.

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