Permanent magnet synchronous linear motor testing device and method thereof

Abstract

The invention discloses a permanent magnet synchronous linear motor testing device and method, and belongs to the technical field of magnetic variable detection, the testing device comprises a testing box and a movable support, a transfer device is fixed on the movable support, the movable support comprises a base, trundles distributed in an array are fixed below the base, and an L-shaped support is fixed above the base. The transfer equipment comprises a vertical third electric telescopic rod, the third electric telescopic rod is fixed to the lower portion of the top plate of the L-shaped support, a second driving box is fixed to the lower portion of an output shaft of the third electric telescopic rod, a third motor is fixed in the second driving box, and an output shaft of the third motor penetrates through a bottom plate of the second driving box and is fixedly provided with a third driving box; a fourth motor is fixed in the third driving box, an output shaft of the fourth motor penetrates through a side plate on one side of the third driving box and is fixedly provided with a clamping assembly, and the testing device is provided with the transfer equipment, so that on one hand, the size of a test piece can be tested in the process of clamping the test piece, and on the other hand, opening and closing of a door of the high-low temperature constant-temperature box are controlled.

Description

Technical Field

[0001] The invention belongs to the technical field of magnetic variable detection, and in particular relates to a permanent magnet synchronous linear motor testing device and a method thereof. Background Art

[0002] ‌Permanent magnet synchronous linear motor, also known as linear motor, is a transmission device that directly converts electrical energy into linear motion mechanical energy without the need for any intermediate conversion mechanism. The linear motor includes a linear guide rail and a slider arranged on the linear guide rail, and a magnet is arranged inside the slider.

[0003] The magnetic variables of a magnet will be affected by factors such as temperature, stress, and material imperfections. Changes in the magnetic variables may affect the performance of the linear motor. Due to the large number of influencing factors and the need to manually adjust different factors before traditional detection and then detect the magnetic variables, the detection process is complicated, tedious, time-consuming, and labor-intensive. In order to solve the above problems, a permanent magnet synchronous linear motor testing device and method are provided.

[0004] It should be noted that the above contents belong to the technical knowledge of the inventor and do not necessarily constitute prior art. Summary of the invention

[0005] In order to solve the above problems, the purpose of the present invention is to provide a permanent magnet synchronous linear motor testing device and method thereof. By setting up a transfer device, on the one hand, the size of the test piece can be tested during the clamping process, and on the other hand, the clamping position can be determined when the first clamping component clamps the test piece. On the other hand, the insertion rod can be controlled to be inserted into the slot. By starting the sixth motor to control the rotation of the grinding disk, the rotation of the rod can be driven to realize the opening and closing of the high and low temperature constant temperature box door, so that the testing device can automatically complete the test of the magnetic variables of the test piece, which is simple, efficient and saves labor.

[0006] To achieve the above-mentioned purpose, the present invention proposes a permanent magnet synchronous linear motor testing device, which includes a test box and a movable bracket, a transfer device is fixed on the movable bracket, and the movable bracket includes a base, an array of casters is fixed below the base, and an L-shaped bracket is fixed above the base.

[0007] The transfer equipment includes a vertical third electric telescopic rod, which is fixed under the top plate of the L-shaped bracket, a second drive box is fixed under the output shaft of the third electric telescopic rod, a third motor is fixed in the second drive box, the output shaft of the third motor passes through the bottom plate of the second drive box and the third drive box is fixed, a fourth motor is fixed in the third drive box, the output shaft of the fourth motor passes through a side plate of the third drive box and a clamping assembly is fixed thereon.

[0008] The clamping assembly includes a fixed bracket fixed on the output shaft of the fourth motor, a horizontal fourth electric telescopic rod is fixed on both sides of the fixed bracket, the fourth electric telescopic rod is perpendicular to the output shaft of the fourth motor, a horizontal fifth electric telescopic rod is vertically fixed on the output shaft of the fourth electric telescopic rod, and a first connecting plate is fixed on the output shaft of the fifth electric telescopic rod.

[0009] A fifth motor is fixed to one side of the first connecting plate, and the output shaft of the fifth motor passes through the first connecting plate and is fixed with a second sleeve, a second sliding shaft is slidably provided in the second sleeve, a second clamping plate is fixed to the end of the second sliding shaft located at the outside, a second spring is fixedly connected between the second clamping plate and the second sleeve, the two second clamping plates correspond to each other, and a second distance sensor for detecting the length of the second spring is fixed to one side of the second clamping plate close to the second sleeve.

[0010] Furthermore, the test box includes a high and low temperature constant temperature box, the door of the high and low temperature constant temperature box faces the L-shaped bracket, a first clamping assembly is fixed under the top plate of the high and low temperature constant temperature box, a test assembly is fixed above the bottom plate of the high and low temperature constant temperature box, and a support assembly for supporting the test piece is provided on the side panel of the high and low temperature constant temperature box.

[0011] Furthermore, a connecting bracket is fixed on the door of the high and low temperature constant temperature box, a vertical plug rod is fixed on the connecting bracket, the plug rod is located above the high and low temperature constant temperature box, and the rotating shaft on the door of the high and low temperature constant temperature box is vertical.

[0012] Furthermore, the first clamping assembly includes a first driving box fixed below the top plate of the high and low temperature constant temperature box, a first motor is fixed in the first driving box, an output shaft of the first motor passes through the bottom plate of the first driving box and is fixed with a vertical first electric telescopic rod, a first connecting block is fixed below the first electric telescopic rod, horizontal second electric telescopic rods are fixed on both sides of the first connecting block, a first vertical bracket is fixed on the output shaft of the second electric telescopic rod, a second motor is fixed on one side of the first vertical bracket, the output shaft of the second motor passes through the first vertical bracket and is fixed with a vertical first clamping plate, and the two first clamping plates correspond to each other.

[0013] Furthermore, the test assembly includes a vertical first sleeve, which is fixed above the bottom plate of the high and low temperature constant temperature box. A first sliding shaft is slidably provided in the first sleeve, a magnetic block is fixed to the upper end of the first sliding shaft, a first spring is fixedly connected between the magnetic block and the first sleeve, and a first distance sensor for detecting the length of the first spring is fixed to the side of the magnetic block close to the first sleeve.

[0014] Furthermore, the support assembly includes two third sliding shafts, the surfaces of which are provided with a rubber layer, and the two third sliding shafts respectively penetrate the side walls of the high and low temperature constant temperature box. A support plate is fixed to one end of the third sliding shaft located inside the high and low temperature constant temperature box, and a drive bar is fixed to the other end located outside the high and low temperature constant temperature box.

[0015] Furthermore, the fixed bracket is L-shaped, and two fourth electric telescopic rods are respectively fixed on both sides of the vertical plate of the fixed bracket. A sixth motor is fixed under the horizontal plate of the fixed bracket. The output shaft of the sixth motor passes through the horizontal plate of the fixed bracket and is fixed with a sanding disc, and a slot is opened at an eccentric position above the sanding disc.

[0016] The distance between the slot and the sixth motor axis is the same as the distance between the rotating shaft and the insertion rod on the high and low temperature constant temperature box door.

[0017] Furthermore, the testing device also includes a pad, the testing box and the movable bracket are both arranged on the pad, and a cleaning device is installed on the pad.

[0018] The cleaning device comprises a second vertical bracket fixed above the pad, an L-shaped support block is fixed on the second vertical bracket, and the cleaning device also comprises a strip brush, and a limiting hole adapted to the L-shaped support block is opened on the strip brush.

[0019] A permanent magnet synchronous linear motor testing method is applied to the testing device, and the testing method is as follows: By adjusting the sanding disc to above the second clamping plate, adjusting the position of the second clamping plate so that the two second clamping plates are respectively located on both sides of the test piece to be tested, the test piece is clamped, and then the test piece is clamped up, and then the fixed bracket is controlled to flip, and the size of the test piece in the clamping position of the second clamping plate is calculated according to the output length of the fourth electric telescopic rod and the distance detected by the second distance sensor, and then the test piece is controlled to rotate horizontally by a preset angle and then released onto the sanding disc, and the test piece is controlled to rotate by a preset angle by starting the sixth motor, and then the test piece is clamped again by the second clamping plate, the clamping position of the second clamping plate on the test piece is adjusted, and other dimensions of the test piece are measured until the measurement of the length, width and height of the test piece is completed, and then the test piece is released on the pad.

[0020] Control the test piece to move away from the sanding disc, control the fixed bracket to flip again, control the two second clamps to clamp the two sides of the high and low temperature constant temperature box, and then control the movable bracket to move, so that the sanding disc is coaxial with the rotating shaft on the door of the high and low temperature constant temperature box, adjust the slot to correspond to the insertion rod, and then control the insertion rod to be inserted into the slot, and start the sixth motor to control the opening and closing of the door of the high and low temperature constant temperature box.

[0021] Then the second clamp is controlled to clamp the test piece again, and then the test piece is sent into the high and low temperature constant temperature box. After the high and low temperature constant temperature box is adjusted to the preset temperature and the test piece is kept warm for a predicted time, the first clamp is controlled to clamp the test piece, and the influence of the test piece at the current position on the height of the magnetic block is judged by the distance detected by the first distance sensor, thereby determining the magnetic variable at the corresponding position.

[0022] Then adjust the clamping surface of the test piece to measure the magnetic variables at different positions on the test piece in all directions; By adjusting the temperature of the high and low temperature constant temperature box several times and measuring the magnetic variables of the test piece at different temperatures, the influence of temperature on the magnetic properties of the test piece can be determined.

[0023] By controlling the two support plates to approach each other and releasing the test piece so that its two ends are supported on the two support plates respectively, the magnetic variables of the test piece are measured, and then the first clamping plate is controlled to press down on the middle suspended part of the test piece. By setting different pressure sizes, the change of the magnetic variables of the test piece under different pressure sizes is tested to determine the influence of pressure on the magnetic variables of the test piece.

[0024] Furthermore, the test piece is taken out from the high and low temperature constant temperature box, and the clamping position of the first clamp on the test piece is adjusted. The first clamp is adjusted to below the sanding disk, and the height of the test piece is adjusted by starting the third electric telescopic rod. The test piece is released by controlling the two first clamps to move away from each other and fall on the pad. The test piece is then put back into the high and low temperature constant temperature box to test its magnetic variables and determine the impact of the impact on the magnetism of the test piece.

[0025] When the test piece is a magnet inside the slider, after adjusting the clamping position of the test piece by the first clamping plate, one side edge of the magnet is controlled to contact the side of the sanding disc, and the sixth motor is started to control the sanding disc to rotate to grind the magnet. The fifth electric telescopic rod is adjusted to ensure that the magnet is always in contact with the sanding disc during the grinding process.

[0026] The third electric telescopic rod and the third motor are used to control the magnet to contact the strip brush. One of the fourth electric telescopic rods is extended and the other fourth electric telescopic rod is shortened to control the magnet to move on the strip brush. The debris on the magnet is removed, and then the test piece is placed in the high and low temperature constant temperature box again to test its magnetic variables and determine the effect of wear on magnetism.

[0027] The two ends of the strip brush are clamped by two first clamping plates, and then the bristles on the strip brush are controlled to rotate downward, and the strip brush is controlled to contact the pad by starting the third electric telescopic rod, and the strip brush is controlled to move on the pad by the third motor and the fifth electric telescopic rod to clean the surface of the pad.

[0028] The permanent magnet synchronous linear motor testing device and method proposed by the present invention can bring the following beneficial effects: The test device of the present invention can test the size of the test piece in the process of clamping it by setting the transfer device, determine the clamping position when the first clamping component clamps the test piece, and control the insertion rod to be inserted into the slot. By starting the sixth motor to control the rotation of the grinding disk, the rotation of the rod can be driven to realize the opening and closing of the high and low temperature constant temperature box door, so that the test device can automatically complete the test of the magnetic variable of the test piece, which is simple, efficient and labor-saving. The test device of the present invention can support the test piece and facilitate the adjustment of the clamping position when the first clamping plate clamps the test piece by setting a movable support component, and can also make the test piece The two ends are respectively supported on two supporting plates, which is convenient for the first clamping component to press it and test the influence of pressure on the magnetism of the test piece; the test device of the present invention can assist the second clamping plate in adjusting the clamping surface on the side of the test piece by arranging a rotatable sanding disc, and can drive the switch of the temperature constant temperature box door, and at the same time, it can clamp the test piece on the second clamping plate to grind its edge, so as to judge the influence of wear on magnetism, which can realize multiple uses of one machine and save equipment cost; when the test device of the present invention clamps the test piece in the transfer equipment, the polished test piece can be rubbed on the strip brush to brush off the debris on its surface, and when the transfer component clamps the strip brush, the strip brush can be controlled to clean the pad. BRIEF DESCRIPTION OF THE DRAWINGS The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings: Figure 1 The present invention is a structural schematic diagram of a permanent magnet synchronous linear motor testing device.

[0029] Figure 2 It is a schematic diagram of the cross-section structure of the test box of the present invention from the first viewing angle.

[0030] Figure 3 It is a schematic diagram of the cross-section structure of the test box of the present invention from a second viewing angle.

[0031] Figure 4 for Figure 1 Enlarged structural diagram at A in the middle.

[0032] Figure 5 It is a schematic structural diagram of the clamping assembly of the present invention.

[0033] Figure 6 for Figure 1 Enlarged structural diagram at B in the middle.

[0034] In the figure: 1, pad; 2, test box; 3, movable bracket; 4, transfer equipment; 5, cleaning equipment; 21, high and low temperature constant temperature box; 22, first clamping assembly; 23, support assembly; 24, test assembly; 26, connecting bracket; 27, plug rod; 221, first drive box; 222, first motor; 223, first electric telescopic rod; 224, first connecting block; 225, second electric telescopic rod; 226, first vertical bracket; 227, second motor; 228, first clamping plate; 231, third sliding shaft; 232, support plate; 233, driving strip; 241, first sleeve; 242, first sliding shaft; 243, magnetic block; 244, the first spring; 31, the base; 32, the casters; 33, the L-shaped bracket; 41, the third electric telescopic rod; 42, the second drive box; 43, the third motor; 44, the third drive box; 45, the fourth motor; 46, the fixed bracket; 47, the fourth electric telescopic rod; 48, the fifth electric telescopic rod; 49, the first connecting plate; 410, the fifth motor; 411, the second sleeve; 412, the second spring; 413, the second clamping plate; 414, the second sliding shaft; 415, the sixth motor; 416, the frosting disc; 417, the slot; 51, the second vertical bracket; 52, the L-shaped support block; 53, the strip brush; 54, the limit hole. DETAILED DESCRIPTION

[0035] In order to more clearly illustrate the overall concept of the present invention, a detailed description is given below in an exemplary manner in conjunction with the accompanying drawings.

[0036] In the description of the present invention, it is necessary to understand that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0037] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0038] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0039] In the present invention, unless otherwise clearly specified and limited, the first feature "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description with reference to the terms "one scheme", "some schemes", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the scheme or example are included in at least one scheme or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same scheme or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more schemes or examples in a suitable manner.

[0040] The embodiment of the present invention provides a permanent magnet synchronous linear motor test device, the test device includes a pad 1, such as Figure 1 As shown, a test box 2 and a movable bracket 3 are provided on the backing plate 1 , a transfer device 4 is fixed on the movable bracket 3 , and a cleaning device 5 is installed on the backing plate 1 .

[0041] The movable bracket 3 includes a base 31 , casters 32 distributed in an array are fixed below the base 31 , and an L-shaped bracket 33 is fixed above the base 31 .

[0042] The test box 2 includes a high and low temperature constant temperature box 21, the door of the high and low temperature constant temperature box 21 faces the L-shaped bracket 33, a connecting bracket 26 is fixed on the door of the high and low temperature constant temperature box 21, a vertical plug rod 27 is fixed on the connecting bracket 26, the plug rod 27 is located above the high and low temperature constant temperature box 21, and the rotating shaft on the door of the high and low temperature constant temperature box 21 is vertical.

[0043] A first clamping assembly 22 is fixed below the top plate of the high and low temperature constant temperature box 21. Figure 2 A test assembly 24 is fixed on the bottom plate of the high and low temperature constant temperature box 21, and a support assembly 23 for supporting the test piece is provided on the side plate of the high and low temperature constant temperature box 21. The test piece is a slider on the permanent magnet synchronous linear motor, or it can be a magnet inside the slider.

[0044] The first clamping assembly 22 includes a first driving box 221 fixed below the top plate of the high and low temperature constant temperature box 21, a first motor 222 is fixed inside the first driving box 221, an output shaft of the first motor 222 passes through the bottom plate of the first driving box 221 and is fixed with a vertical first electric telescopic rod 223, a first connecting block 224 is fixed below the first electric telescopic rod 223, horizontal second electric telescopic rods 225 are fixed on both sides of the first connecting block 224, a first vertical bracket 226 is fixed on the output shaft of the second electric telescopic rod 225, a second motor 227 is fixed on one side of the first vertical bracket 226, an output shaft of the second motor 227 passes through the first vertical bracket 226 and is fixed with a vertical first clamping plate 228, and the two first clamping plates 228 correspond to each other.

[0045] The support assembly 23 includes two third sliding shafts 231, the surface of the third sliding shafts 231 is provided with a rubber layer, and the two third sliding shafts 231 respectively penetrate the side walls of the high and low temperature constant temperature box 21. The end of the third sliding shaft 231 located inside the high and low temperature constant temperature box 21 is fixed with a support plate 232, and the end located outside the high and low temperature constant temperature box 21 is fixed with a driving bar 233.

[0046] The test assembly 24 includes a vertical first sleeve 241, such as Figure 3 As shown, the first sleeve 241 is fixed above the bottom plate of the high and low temperature constant temperature box 21, and a first sliding shaft 242 is slidably provided in the first sleeve 241. A magnetic block 243 is fixed to the upper end of the first sliding shaft 242, and a first spring 244 is fixedly connected between the magnetic block 243 and the first sleeve 241. A first distance sensor for detecting the length of the first spring 244 is fixed to the side of the magnetic block 243 close to the first sleeve 241.

[0047] The transfer device 4 includes a vertical third electric telescopic rod 41, such as Figure 4 As shown, the third electric telescopic rod 41 is fixed under the top plate of the L-shaped bracket 33, a second drive box 42 is fixed below the output shaft of the third electric telescopic rod 41, a third motor 43 is fixed in the second drive box 42, the output shaft of the third motor 43 passes through the bottom plate of the second drive box 42 and a third drive box 44 is fixed thereto, a fourth motor 45 is fixed therein, the output shaft of the fourth motor 45 passes through a side plate of the third drive box 44 and a clamping assembly is fixed thereto.

[0048] The clamping assembly includes a fixing bracket 46 fixed on the output shaft of the fourth motor 45, such as Figure 5 As shown, a fourth horizontal electric telescopic rod 47 is fixed on both sides of the fixed bracket 46, the fourth electric telescopic rod 47 is perpendicular to the output shaft of the fourth motor 45, a fifth horizontal electric telescopic rod 48 is vertically fixed on the output shaft of the fourth electric telescopic rod 47, and a first connecting plate 49 is fixed on the output shaft of the fifth electric telescopic rod 48.

[0049] A fifth motor 410 is fixed to one side of the first connecting plate 49, and a second sleeve 411 is fixed to the output shaft of the fifth motor 410 passing through the first connecting plate 49, and a second sliding shaft 414 is slidably provided in the second sleeve 411, and a second clamping plate 413 is fixed to the end of the second sliding shaft 414 located on the outside, and a second spring 412 is fixedly connected between the second clamping plate 413 and the second sleeve 411, and the two second clamping plates 413 correspond to each other, and a second distance sensor for detecting the length of the second spring 412 is fixed to the side of the second clamping plate 413 close to the second sleeve 411, and the first distance sensor and the second distance sensor are both electrically connected to a preset control system.

[0050] The fixed bracket 46 is L-shaped, and two fourth electric telescopic rods 47 are respectively fixed on both sides of the vertical plate of the fixed bracket 46. A sixth motor 415 is fixed under the horizontal plate of the fixed bracket 46. The output shaft of the sixth motor 415 passes through the horizontal plate of the fixed bracket 46 and is fixed with a sanding disc 416. A slot 417 is opened at an eccentric position above the sanding disc 416.

[0051] The distance between the slot 417 and the axis of the sixth motor 415 is the same as the distance between the rotating shaft on the door of the high and low temperature constant temperature box 21 and the insertion rod 27 .

[0052] The cleaning device 5 comprises a second vertical support 51 fixed above the pad 1, such as Figure 6 As shown, an L-shaped support block 52 is fixed on the second vertical bracket 51 , and the cleaning device 5 further includes a strip brush 53 , and a limiting hole 54 adapted to the L-shaped support block 52 is opened on the strip brush 53 .

[0053] A permanent magnet synchronous linear motor testing method is applied to the above-mentioned testing device, and the testing method is as follows: The fourth motor 45 is started to control the fixed bracket 46 to rotate, and the sanding disc 416 is adjusted to the top of the second clamping plate 413. The third electric telescopic rod 41, the fourth motor 45, the fourth electric telescopic rod 47 and the fifth electric telescopic rod 48 are used to adjust the position of the second clamping plate 413 so that the two second clamping plates 413 are respectively located on both sides of the test piece to be tested. The second clamping plates 413 are controlled to approach each other to clamp the test piece by contracting the fourth electric telescopic rod 47. The test piece is clamped by contracting the third electric telescopic rod 41. Then, the fourth motor 45 is started to control the fixed bracket 46 to flip. According to the fourth electric telescopic rod The size of the test piece in the clamping position of the second clamping plate 413 is calculated based on the output length of 47 and the distance detected by the second distance sensor, and then the fifth motor 410 is started to control the test piece to rotate horizontally by a preset angle, and then the fourth electric telescopic rod 47 is extended to release the test piece onto the sanding disc 416, and the sixth motor 415 is started to control the test piece to rotate by a preset angle, and then the test piece is clamped again by the second clamping plate 413, and the clamping position of the second clamping plate 413 on the test piece can be adjusted to measure other dimensions of the test piece, until the measurement of the length, width and height of the test piece is completed, and then the test piece is released on the pad 1.

[0054] The test piece is controlled to be away from the sanding disc 416 by retracting the fifth electric telescopic rod 48, and the fixed bracket 46 is controlled to flip again by starting the fourth motor 45. The two second clamping plates 413 are controlled by the fourth electric telescopic rod 47 and the fifth electric telescopic rod 48 to clamp the two sides of the high and low temperature constant temperature box 21. The movable bracket 3 is controlled to move by the fourth electric telescopic rod 47 and the fifth electric telescopic rod 48, so that the sanding disc 416 is coaxial with the rotating shaft on the door of the high and low temperature constant temperature box 21. The slot 417 is adjusted to correspond to the insertion rod 27 by starting the sixth motor 415, and the insertion rod 27 is controlled to be inserted into the slot 417 by retracting the third electric telescopic rod 41. The sanding disc 416 is controlled to rotate by starting the sixth motor 415, thereby driving the insertion rod 27 to rotate to realize the opening and closing of the door of the high and low temperature constant temperature box 21.

[0055] Then, the second clamping plate 413 is controlled to clamp the test piece again, and then the test piece is sent into the high and low temperature constant temperature box 21 through the cooperation of the fifth electric telescopic rod 48 and the third electric telescopic rod 41. After the high and low temperature constant temperature box 21 is adjusted to the preset temperature, and the insulation time of the test piece is predicted, the first clamping plate 228 is controlled to clamp the test piece through the cooperation of the first motor 222, the first electric telescopic rod 223 and the second electric telescopic rod 225. The influence of the test piece at the current position on the height of the magnetic block 243 is judged by the distance detected by the first distance sensor, so as to determine the magnetic variable at the corresponding position, and the height of the test piece is adjusted by the first electric telescopic rod 223. By controlling one of the second electric telescopic rods 225 to extend the other The second electric telescopic rod 225 is shortened to control the left and right movement of the test piece, and the test piece is controlled to rotate around the horizontal axis by starting the second motor 227. The two second clamps 413 are controlled to push the two drive bars 233 to move toward the side close to the high and low temperature constant temperature box 21, so that the two support plates 232 are close to each other, and then the two first clamps 228 are controlled to release the test piece on the support plates 232. The clamping position of the first clamp 228 is adjusted by starting the first motor 222, and then the first clamp 228 is controlled to re-clamp the test piece. Then, the two support plates 232 are controlled to move away from each other by the second clamp 413, so that the clamping surface of the test piece can be adjusted, so that the magnetic variables at different positions on the test piece can be measured in all directions.

[0056] By adjusting the temperature of the high and low temperature constant temperature box 21 for multiple times and measuring the magnetic variables of the test piece at different temperatures, the influence of temperature on the magnetic properties of the test piece can be determined.

[0057] By controlling the two support plates 232 to approach each other and releasing the test piece so that its two ends are supported on the two support plates 232 respectively, the magnetic variables of the test piece are measured, and then the first clamping plate 228 is controlled to press down the middle suspended part of the test piece. By setting different pressure sizes, the change of the magnetic variables of the test piece under different pressure sizes is tested, so as to determine the influence of pressure on the magnetic variables of the test piece.

[0058] The test piece is then taken out from the high and low temperature constant temperature box 21, and the clamping position of the first clamping plate 228 on the test piece is adjusted. The first clamping plate 228 is adjusted to below the sanding disk 416, and the height of the test piece is adjusted by starting the third electric telescopic rod 41. The test piece is released by controlling the two first clamping plates 228 to move away from each other and fall onto the pad 1. The test piece is then put back into the high and low temperature constant temperature box 21 to test its magnetic variables, so as to determine the impact of the impact on the magnetism of the test piece.

[0059] When the test piece is a magnet inside the slider, after adjusting the clamping position of the test piece by the first clamping plate 228, one side edge of the magnet can be controlled to contact the side of the sanding disc 416, and the sixth motor 415 can be started to control the sanding disc 416 to rotate to grind the magnet. By adjusting the fifth electric telescopic rod 48, the magnet is always in contact with the sanding disc 416 during the grinding process.

[0060] The third electric telescopic rod 41 and the third motor 43 cooperate to control the magnet to contact the strip brush 53. By controlling one of the fourth electric telescopic rods 47 to extend and the other fourth electric telescopic rod 47 to shorten, the magnet is controlled to move on the strip brush 53, and the debris on the magnet is removed. Then, the test piece is placed in the high and low temperature constant temperature box 21 again to test its magnetic variables, so as to determine the influence of wear on magnetism.

[0061] The two ends of the strip brush 53 are clamped by the two first clamping plates 228, and then the bristles on the strip brush 53 are controlled to rotate downward, and the strip brush 53 is controlled to contact the pad 1 by starting the third electric telescopic rod 41, and the strip brush 53 is controlled to move on the pad 1 by the third motor 43 and the fifth electric telescopic rod 48, so that the surface of the pad 1 can be cleaned.

[0062] Each embodiment in this specification is described in a progressive manner, and the same or similar parts between the embodiments can be referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the system embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the partial description of the method embodiment.

[0063] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A permanent magnet synchronous linear motor testing device, comprising a testing box (2) and a movable bracket (3), characterized in that: The transfer device (4) is fixed on the movable bracket (3), and the movable bracket (3) comprises a base (31), casters (32) arranged in an array are fixed below the base (31), and an L-shaped bracket (33) is fixed above the base (31); The transfer device (4) comprises a vertical third electric telescopic rod (41), the third electric telescopic rod (41) being fixed below the top plate of the L-shaped bracket (33), a second drive box (42) being fixed below the output shaft of the third electric telescopic rod (41), a third motor (43) being fixed inside the second drive box (42), an output shaft of the third motor (43) passing through the bottom plate of the second drive box (42) to be fixed with a third drive box (44), a fourth motor (45) being fixed inside the third drive box (44), an output shaft of the fourth motor (45) passing through a side plate of the third drive box (44) to be fixed with a clamping assembly; The clamping assembly comprises a fixed bracket (46) fixed on the output shaft of the fourth motor (45), a horizontal fourth electric telescopic rod (47) being fixed on both sides of the fixed bracket (46), the fourth electric telescopic rod (47) being perpendicular to the output shaft of the fourth motor (45), a horizontal fifth electric telescopic rod (48) being perpendicularly fixed on the output shaft of the fourth electric telescopic rod (47), and a first connecting plate (49) being fixed on the output shaft of the fifth electric telescopic rod (48); A fifth motor (410) is fixed to one side of the first connecting plate (49); an output shaft of the fifth motor (410) passes through the first connecting plate (49) and is fixed to a second shaft sleeve (411); a second sliding shaft (414) is slidably provided in the second shaft sleeve (411); a second clamping plate (413) is fixed to one end of the second sliding shaft (414) located outside; a second spring (412) is fixedly connected between the second clamping plate (413) and the second shaft sleeve (411); the two second clamping plates (413) correspond to each other; and a second distance sensor for detecting the length of the second spring (412) is fixed to one side of the second clamping plate (413) close to the second shaft sleeve (411).

2. A permanent magnet synchronous linear motor testing device according to claim 1, characterized in that: The test box (2) comprises a high and low temperature constant temperature box (21), the box door of the high and low temperature constant temperature box (21) faces the L-shaped bracket (33), a first clamping assembly (22) is fixed below the top plate of the high and low temperature constant temperature box (21), a test assembly (24) is fixed above the bottom plate of the high and low temperature constant temperature box (21), and a support assembly (23) for supporting a test piece is provided on the side plate of the high and low temperature constant temperature box (21).

3. A permanent magnet synchronous linear motor testing device according to claim 2, characterized in that: A connecting bracket (26) is fixed on the door of the high and low temperature constant temperature box (21), a vertical plug rod (27) is fixed on the connecting bracket (26), the plug rod (27) is located above the high and low temperature constant temperature box (21), and the rotating shaft on the door of the high and low temperature constant temperature box (21) is vertical.

4. A permanent magnet synchronous linear motor testing device according to claim 3, characterized in that: The first clamping assembly (22) comprises a first driving box (221) fixed below the top plate of the high and low temperature constant temperature box (21); a first motor (222) is fixed inside the first driving box (221); an output shaft of the first motor (222) passes through the bottom plate of the first driving box (221) and is fixed with a vertical first electric telescopic rod (223); a first connecting block (224) is fixed below the first electric telescopic rod (223); horizontal second electric telescopic rods (225) are fixed on both sides of the first connecting block (224); a first vertical bracket (226) is fixed on the output shaft of the second electric telescopic rod (225); a second motor (227) is fixed on one side of the first vertical bracket (226); an output shaft of the second motor (227) passes through the first vertical bracket (226) and is fixed with a vertical first clamping plate (228); the two first clamping plates (228) correspond to each other.

5. A permanent magnet synchronous linear motor testing device according to claim 4, characterized in that: The test assembly (24) comprises a vertical first shaft sleeve (241), the first shaft sleeve (241) being fixed above the bottom plate of the high and low temperature constant temperature box (21), a first sliding shaft (242) being slidably arranged in the first shaft sleeve (241), a magnetic block (243) being fixed at the upper end of the first sliding shaft (242), a first spring (244) being fixedly connected between the magnetic block (243) and the first shaft sleeve (241), and a first distance sensor for detecting the length of the first spring (244) being fixed on a side of the magnetic block (243) close to the first shaft sleeve (241).

6. A permanent magnet synchronous linear motor testing device according to claim 5, characterized in that: The support assembly (23) comprises two third sliding shafts (231), the surfaces of the third sliding shafts (231) being provided with a rubber layer, the two third sliding shafts (231) respectively penetrating two side walls of the high and low temperature constant temperature box (21), one end of the third sliding shaft (231) located inside the high and low temperature constant temperature box (21) being fixed with a support plate (232), and the other end of the third sliding shaft (231) located outside the high and low temperature constant temperature box (21) being fixed with a driving bar (233).

7. A permanent magnet synchronous linear motor testing device according to claim 6, characterized in that: The fixed bracket (46) is L-shaped, and two fourth electric telescopic rods (47) are respectively fixed on both sides of the vertical plate of the fixed bracket (46); a sixth motor (415) is fixed below the horizontal plate of the fixed bracket (46); an output shaft of the sixth motor (415) passes through the horizontal plate of the fixed bracket (46) and is fixed with a sanding disc (416); a slot (417) is provided at an eccentric position above the sanding disc (416); The distance between the slot (417) and the axis of the sixth motor (415) is the same as the distance between the rotating shaft on the door of the high and low temperature constant temperature box (21) and the insertion rod (27).

8. A permanent magnet synchronous linear motor testing device according to claim 7, characterized in that: The testing device further comprises a backing plate (1), the testing box (2) and the movable bracket (3) are both arranged on the backing plate (1), and a cleaning device (5) is installed on the backing plate (1); The cleaning device (5) comprises a second vertical support (51) fixed above the pad (1), an L-shaped support block (52) being fixed on the second vertical support (51), and the cleaning device (5) further comprises a strip brush (53), a limiting hole (54) adapted to fit the L-shaped support block (52) being provided on the strip brush (53).

9. A method for testing a permanent magnet synchronous linear motor, applied to the testing device according to claim 8, characterized in that: The test method is as follows: The sanding disc (416) is adjusted to the position above the second clamping plate (413), and the position of the second clamping plate (413) is adjusted so that the two second clamping plates (413) are respectively located on both sides of the test piece to be tested, the test piece is clamped, and then the test piece is clamped, and then the fixed bracket (46) is controlled to flip, and the size of the test piece in the clamping position of the second clamping plate (413) is calculated according to the output length of the fourth electric telescopic rod (47) and the distance detected by the second distance sensor, and then the test piece is controlled to rotate a preset angle in the horizontal direction and then released onto the sanding disc (416), and the test piece is controlled to rotate a preset angle by starting the sixth motor (415), and then the test piece is clamped again by the second clamping plate (413), and the clamping position of the second clamping plate (413) on the test piece is adjusted, and other dimensions of the test piece are measured until the length, width and height of the test piece are measured, and then the test piece is released onto the pad (1); Control the test piece to move away from the sanding disc (416), control the fixed bracket (46) to flip again, control the two second clamping plates (413) to clamp the two sides of the high and low temperature constant temperature box (21), and then control the movable bracket (3) to move so that the sanding disc (416) is coaxial with the rotating shaft on the door of the high and low temperature constant temperature box (21), adjust the slot (417) to correspond to the insertion rod (27), and then control the insertion rod (27) to be inserted into the slot (417), and start the sixth motor (415) to control the opening and closing of the door of the high and low temperature constant temperature box (21); Then, the second clamping plate (413) is controlled to clamp the test piece again, and then the test piece is sent into the high and low temperature constant temperature box (21). After the high and low temperature constant temperature box (21) is adjusted to a preset temperature and the test piece is kept warm for a predicted time, the first clamping plate (228) is controlled to clamp the test piece, and the influence of the test piece at the current position on the height of the magnetic block (243) is judged through the distance detected by the first distance sensor, thereby determining the magnetic variable at the corresponding position; Then adjust the clamping surface of the test piece to measure the magnetic variables at different positions on the test piece in all directions; By adjusting the temperature of the high and low temperature constant temperature box (21) multiple times and measuring the magnetic variables of the test piece at different temperatures, the influence of temperature on the magnetic properties of the test piece is determined; By controlling the two support plates (232) to move closer to each other and releasing the test piece so that its two ends are supported on the two support plates (232) respectively, the magnetic variable of the test piece is measured, and then the first clamping plate (228) is controlled to press down the middle suspended part of the test piece. By setting different pressures, the change of the magnetic variable of the test piece under different pressures is tested to determine the influence of pressure on the magnetic variable of the test piece.

10. A permanent magnet synchronous linear motor testing method according to claim 9, characterized in that: The test piece is taken out from the high and low temperature constant temperature box (21), and the clamping position of the first clamping plate (228) on the test piece is adjusted, and the first clamping plate (228) is adjusted to below the sanding disc (416), and the height of the test piece is adjusted by starting the third electric telescopic rod (41), and the test piece is released by controlling the two first clamping plates (228) to move away from each other so that the test piece falls on the pad (1), and then the test piece is put into the high and low temperature constant temperature box (21) again to test its magnetic variables, and determine the impact of the impact on the magnetism of the test piece; When the test piece is a magnet inside the slider, after adjusting the clamping position of the first clamping plate (228) on the test piece, one side edge of the magnet is controlled to contact the side of the sanding disc (416), the sixth motor (415) is started to control the sanding disc (416) to rotate to grind the magnet, and the fifth electric telescopic rod (48) is adjusted so that the magnet is always in contact with the sanding disc (416) during the grinding process; The third electric telescopic rod (41) and the third motor (43) cooperate to control the magnet to contact the strip brush (53), and the magnet is controlled to move on the strip brush (53) by controlling one of the fourth electric telescopic rods (47) to extend and the other fourth electric telescopic rod (47) to shorten, so as to remove debris contaminated on the magnet, and then the test piece is placed in the high and low temperature constant temperature box (21) again to test its magnetic variables and determine the influence of wear on the magnetism; The two ends of the strip brush (53) are clamped by two first clamping plates (228), and then the bristles on the strip brush (53) are controlled to rotate downward, and the strip brush (53) is controlled to contact the pad (1) by starting the third electric telescopic rod (41), and the strip brush (53) is controlled to move on the pad (1) by the third motor (43) and the fifth electric telescopic rod (48), so as to clean the surface of the pad (1).

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