CN219589944U - Efficiency and torque comprehensive testing machine - Google Patents
Efficiency and torque comprehensive testing machine Download PDFInfo
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- CN219589944U CN219589944U CN202320793205.4U CN202320793205U CN219589944U CN 219589944 U CN219589944 U CN 219589944U CN 202320793205 U CN202320793205 U CN 202320793205U CN 219589944 U CN219589944 U CN 219589944U
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Abstract
The utility model discloses an efficiency torque comprehensive testing machine, which comprises a frame, a main shaft device, a torque testing member, a guide assembly and a tension testing assembly, wherein the main shaft device is arranged on the frame and is provided with a rotatable main shaft, the end part of the main shaft is provided with a clamping part, and the clamping part is used for clamping a screw rod to be tested; the main shaft of the main shaft device is penetrated through a torsion testing member, and the torsion testing member is used for testing the torsion of the screw rod to be tested; the guide component is arranged on the frame and is parallel to the main shaft; the tensile force testing assembly comprises a first movable frame, a second movable frame and a tensile force sensor arranged between the first movable frame and the second movable frame, the first movable frame is movably arranged on the guide assembly, the second movable frame is provided with a nut clamp, and the nut clamp can be used for installing a testing nut. The technical scheme of the utility model can realize the detection of the working efficiency of the ball screw, thereby ensuring the qualification rate of the ball screw products.
Description
Technical Field
The utility model relates to the technical field of screw rod detection, in particular to an efficiency and torque comprehensive testing machine.
Background
Ball screw is an ideal product for converting rotary motion into linear motion or vice versa. The ball screw is a transmission element most commonly used on tool machines and precision machines, and has a main function of converting rotary motion into linear motion or converting torque into axial repeated acting force, and has the characteristics of high precision, reversibility and high efficiency, and is widely applied to various industrial equipment and precision instruments due to small friction resistance.
In real life, because dead weights such as workstation, work piece can produce compressive load to the lead screw to influence its work efficiency, and lack ball screw efficiency testing arrangement on the market, can't carry out test screening to its efficiency after ball screw production is accomplished, lead to the ball screw that work efficiency is lower like this to mix in the ball screw that work efficiency is higher, thereby reduce the qualification rate of product.
Disclosure of Invention
The utility model mainly aims to provide an efficiency and torque comprehensive testing machine, which aims to realize the detection of the working efficiency of a ball screw so as to ensure the qualification rate of the ball screw product.
In order to achieve the above object, the present utility model provides an efficiency and torque integrated test machine, comprising:
a frame;
the main shaft device is arranged on the frame and is provided with a rotatable main shaft, the end part of the main shaft is provided with a clamping part, and the clamping part is used for clamping the screw rod to be tested;
the main shaft of the main shaft device penetrates through the torsion testing member, and the torsion testing member is used for testing the torque of the screw rod to be tested;
the guide assembly is arranged on the frame and is arranged in parallel with the main shaft; and
the tension testing assembly comprises a first movable frame, a second movable frame and a tension sensor arranged between the first movable frame and the second movable frame, wherein the first movable frame is movably arranged on the guide assembly, the second movable frame is provided with a nut clamp, and the nut clamp can be used for installing a testing nut.
Optionally, the spindle device further comprises a driving motor, and the driving motor is arranged on the frame; the output end of the driving motor is provided with a first synchronous wheel, the end part of the main shaft is provided with a second synchronous wheel, and the first synchronous wheel is in transmission connection with the second synchronous wheel through a synchronous belt.
Optionally, the spindle device further includes a bracket, the bracket is disposed on the frame and corresponds to the spindle, one end of the screw rod to be tested is mounted on the spindle, and the other end of the screw rod to be tested is mounted on the bracket.
Optionally, the frame is further provided with an adjusting guide groove extending along the axial direction of the main shaft, and the bracket is movably and adjustably arranged in the adjusting guide groove.
Optionally, a mounting groove is formed in the top edge of the second movable frame, and the nut clamp is mounted in the mounting groove; the rack is provided with a sliding rail extending along the direction of the main shaft, the bottom of the second movable frame is a sliding part, and the sliding part is connected with the sliding rail in a matching way; the two opposite sides of the second movable frame are respectively provided with an installation position, the tension sensor is installed at the installation positions, and the tension sensor is also connected with the first movable frame.
Optionally, the two sides of the main shaft are respectively provided with the parallel guide assemblies; the guide assembly comprises a guide screw rod and fixing seats arranged at two ends of the guide screw rod, the guide screw rod is parallel to the main shaft, and the guide screw rod is rotatably arranged on the fixing seats.
Optionally, an avoidance groove is formed at the top edge of the first movable frame corresponding to the mounting groove; and screw nuts are arranged on two opposite sides of the first movable frame, and the screw nuts are sleeved on the guide screw rods.
Optionally, the comprehensive efficiency and torque testing machine further comprises a braking device, wherein the braking device is arranged on the rack; the end part of the guide screw rod is provided with a third synchronous wheel, and the third synchronous wheel is in transmission connection with the braking device.
Optionally, the braking device is a magnetic powder brake.
According to the technical scheme, the screw rod to be tested is clamped through the clamping part arranged on the main shaft device, the screw rod to be tested is driven to rotate through rotation of the main shaft, meanwhile, the test nut is arranged on the second movable frame, the screw rod to be tested is connected with the test nut, the screw rod to be tested is driven to rotate through the main shaft, so that the test nut is displaced in the horizontal direction, and the second movable frame drives the first movable frame to move along the extending direction of the main shaft together with the guide assembly. The torsion testing member penetrating through the spindle can detect the torsion value of the screw rod, and the tension sensor arranged between the first movable frame and the second movable frame is used for detecting the tension or the pressure of the screw rod to be tested passing through the testing nut and the second movable frame and finally transmitting the tension or the pressure to the first movable frame. The efficiency of the ball screw is obtained through the torque value obtained by the torque force test component and the tension value and load obtained by the tension test component. In this way, the ball screw is detected through the efficiency and torque comprehensive testing machine, and the detection of the working efficiency of the ball screw is obtained, so that the qualification rate of the ball screw product is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an embodiment of an efficiency and torque integrated tester according to the present utility model;
FIG. 2 is a left side view of an embodiment of the efficiency torque vectoring machine of the present utility model;
FIG. 3 is a right side view of an embodiment of the efficiency torque vectoring machine of the present utility model;
FIG. 4 is a schematic diagram of another embodiment of an efficiency torque testing machine according to the present utility model;
FIG. 5 is a front view of another embodiment of the efficiency torque vectoring machine of the present utility model;
FIG. 6 is a top view of another embodiment of the efficiency torque vectoring machine of the present utility model;
FIG. 7 is a schematic diagram of a tensile testing assembly of the efficiency and torque integrated tester of the present utility model;
FIG. 8 is a top view of a tensile testing assembly of the efficiency and torque integrated tester of the present utility model.
Reference numerals illustrate:
the achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
The utility model provides an efficiency and torque comprehensive testing machine.
Referring to fig. 1 to 8, in an embodiment of the present utility model, the efficiency torque integration test machine includes:
a frame 1;
a spindle device 2, wherein the spindle device 2 is arranged on the frame 1, the spindle device 2 is provided with a rotatable spindle, the end part of the spindle is provided with a clamping part 21, and the clamping part 21 is used for clamping the screw rod 7 to be tested;
a torsion testing member 3, wherein a main shaft of the main shaft device 2 is arranged through the torsion testing member 3, and the torsion testing member 3 is used for testing the torsion of the screw rod 7 to be tested;
the guide assembly 4 is arranged on the frame 1 and is arranged in parallel with the main shaft; and
the tensile force testing assembly 5 comprises a first movable frame 51, a second movable frame 52 and a tensile force sensor 53 arranged between the first movable frame 51 and the second movable frame 52, wherein the first movable frame 51 is movably arranged on the guiding assembly 4, the second movable frame 52 is provided with a nut clamp 54, and the nut clamp 54 can be used for installing a testing nut 55.
According to the technical scheme, the screw rod 7 to be tested is clamped through the clamping part 21 arranged on the spindle device 2, the screw rod 7 to be tested is driven to rotate through rotation of the spindle, meanwhile, the test nut 55 is arranged on the second movable frame 52, the screw rod 7 to be tested is connected with the test nut 55, the screw rod 7 to be tested is driven to rotate through the spindle, so that the test nut 55 is displaced in the horizontal direction, and the second movable frame 52 drives the first movable frame 51 to move along the extending direction of the spindle along the guide assembly 4. The torsion testing member 3 through which the spindle passes can detect the screw torsion value, and the tension sensor 53 disposed between the first movable frame 51 and the second movable frame 52 is used to detect the tension or pressure of the screw 7 to be tested passing through the testing nut 55 and the second movable frame and finally transmitted to the first movable frame 51. The torque value obtained by the torque force test member 3 and the tension value and load obtained by the tension test assembly 5 thus give the efficiency of the ball screw. In this way, the ball screw is detected through the efficiency and torque comprehensive testing machine, and the detection of the working efficiency of the ball screw is obtained, so that the qualification rate of the ball screw product is ensured.
It should be noted that, in this embodiment, a calculation formula of efficiency of the screw to be tested using the efficiency torque comprehensive testing machine is: η=n (push/pull load) x0.1 (integrated friction coefficient) xI (lead screw lead)/[ 2x3, 14xnm (torque value) ].
The working efficiency of the ball screw can be calculated through the formula, and then a conclusion whether the ball screw is good or not can be obtained. However, the formula for obtaining the working efficiency of the ball screw in the present design is not limited to one of the embodiments, and may also include other similar parameters, such as a rolling friction coefficient.
Further, the spindle device 2 further comprises a driving motor 22, and the driving motor 22 is arranged on the frame 1; the output end of the driving motor 22 is provided with a first synchronizing wheel 23, the end part of the main shaft is provided with a second synchronizing wheel 24, and the first synchronizing wheel 23 and the second synchronizing wheel 24 are in transmission connection through a synchronous belt. Specifically, in the present embodiment, the driving motor 22 is a servo motor. In this embodiment, belt transmission is adopted, and in other embodiments, power output may be realized by a gear transmission or a chain transmission.
Further, the spindle device 2 further includes a bracket 25, the bracket 25 is disposed on the frame 1 and corresponds to the spindle, one end of the screw rod 7 to be tested is mounted on the spindle, and the other end is mounted on the bracket 25. In this embodiment, the bracket 25 mainly fixes the other end of the screw 7 to be tested. If the length of the screw rod 7 to be measured in the rotating process is too long, slight or partial falling of the screw rod can be caused, so that the screw rod 7 to be measured is deviated in the rotating process.
Further, the frame 1 is further provided with an adjusting guide groove 11 extending along the axial direction of the main shaft, and the bracket 25 is movably and adjustably provided in the adjusting guide groove 11. It should be noted that, in the present embodiment, the function of the adjusting guide groove 11 is mainly to adjust the distance between the bracket 25 and the clamping portion 21 of the spindle, so that the bracket 25 and the clamping portion 21 can accommodate or hold the screw rods 7 to be tested with different sizes therebetween, so as to meet the detection requirements of the screw rods 7 to be tested with different lengths.
Further, a mounting groove 521 is formed at the top edge of the second movable frame 52, and the nut clamp 54 is mounted to the mounting groove 521. It should be noted that, in the present embodiment, the mounting groove 521 can accommodate the nut clamp 54, however, it is obvious that the lowest position of the mounting groove 521 is lower than the height of the rotation center of the spindle, so that the screw 7 to be tested, which is in clamping connection with the spindle, can pass through the test nut 55 on the nut clamp 54.
Further, a sliding rail 12 extending along the main shaft direction is provided on the frame 1, a sliding portion 522 is provided at the bottom of the second movable frame 52, and the sliding portion 522 is connected with the sliding rail 12 in a matching manner. It should be noted that, in the present embodiment, in the process of the spindle driving the screw rod 7 to be tested to rotate, the screw rod 7 to be tested rotates to drive the test nut 55 to move, and the test nut is fixed on the second movable frame 52 by the nut clamp 54, so that the movement of the test nut can drive the second movable frame 52 to move. The two opposite sides of the second movable frame 52 are respectively provided with a mounting position 523, the tension sensor 53 is mounted on the mounting positions 523, and the tension sensor 53 is also connected with the first movable frame 51. The second movable frame 52 is connected to the first movable frame 51, so that the second movable frame 52 can also drive the first movable frame 51 to move, and the tension sensor 53 disposed between the first movable frame 51 and the second movable frame 52 can detect the compression force or the tension force between the first movable frame 51 and the second movable frame 52.
Further, the two sides of the main shaft are respectively provided with the parallel guide assemblies 4, the guide assemblies 4 comprise guide screw rods 41 and fixing seats 42 arranged at two ends of the guide screw rods 41, the guide screw rods 41 are parallel to the main shaft, and the guide screw rods 41 are rotatably arranged on the fixing seats 42. In this embodiment, the guide assembly 4 includes a guide screw 41 and fixing bases 42 disposed at two ends of the guide screw 41. In other embodiments, the guide assembly 4 includes a guide slide bar or other guide bar.
Further, the top edge of the first movable frame 51 is provided with a avoiding groove 512 corresponding to the mounting groove 521; the two opposite sides of the first movable frame 51 are respectively provided with a screw nut 511, and the screw nuts 511 are sleeved on the guide screw 41.
Further, the comprehensive efficiency and torque testing machine further comprises a braking device 6, wherein the braking device 6 is arranged on the frame 1; a third synchronizing wheel 43 is arranged at the end of the guide screw 41, and the third synchronizing wheel 43 is in transmission connection with the braking device 6.
In this embodiment, protection covers are disposed on two opposite sides of the frame 1, for protecting the braking device 6 and the servo motor in the frame 1.
In the present embodiment, the braking device 6 is a magnetic powder brake. It is noted that the exciting current and the transmission torque have a substantially linear relationship. Can transmit certain torque under the condition of no slip, and has the advantages of high response speed, simple structure, no pollution, no noise, no impact vibration, energy conservation and the like. Is a multipurpose and excellent automatic control element. Has been widely used for unreeling and reeling tension control in paper, printing, plastics, rubber, textile, printing and dyeing, wire and cable, metallurgy, tablet presses, and other related reeling industries. Magnetic particle brakes are also often used for dynamometer loading and braking of transmission machinery, etc.
The calculation formula of the efficiency of the screw rod to be tested by the efficiency and torque comprehensive testing machine is as follows: η=n (push/pull load) x0.1 (integrated friction coefficient) xI (lead screw lead)/[ 2x3, 14xnm (torque value) ].
The foregoing description is only of the optional embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all the equivalent structural changes made by the description of the present utility model and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the utility model.
Claims (9)
1. An efficiency and torque comprehensive testing machine for testing the working efficiency of a screw rod to be tested, which is characterized in that the efficiency and torque comprehensive testing machine comprises:
a frame;
the main shaft device is arranged on the frame and is provided with a rotatable main shaft, the end part of the main shaft is provided with a clamping part, and the clamping part is used for clamping the screw rod to be tested;
the main shaft of the main shaft device penetrates through the torsion testing member, and the torsion testing member is used for testing the torque of the screw rod to be tested;
the guide assembly is arranged on the frame and is arranged in parallel with the main shaft; and
the tension testing assembly comprises a first movable frame, a second movable frame and a tension sensor arranged between the first movable frame and the second movable frame, wherein the first movable frame is movably arranged on the guide assembly, the second movable frame is provided with a nut clamp, and the nut clamp can be used for installing a testing nut.
2. The machine of claim 1, wherein the spindle assembly further comprises a drive motor, the drive motor being disposed on the frame;
the output end of the driving motor is provided with a first synchronous wheel, the end part of the main shaft is provided with a second synchronous wheel, and the first synchronous wheel is in transmission connection with the second synchronous wheel through a synchronous belt.
3. The machine of claim 2, wherein the spindle assembly further comprises a bracket disposed on the frame and corresponding to the spindle, wherein one end of the spindle is mounted on the spindle, and the other end of the spindle is mounted on the bracket.
4. The machine of claim 3, wherein the frame is further provided with an adjustment guide extending in an axial direction of the spindle, and the bracket is movably and adjustably provided in the adjustment guide.
5. The machine for testing the comprehensive efficiency and torque according to claim 1, wherein a mounting groove is formed in the top edge of the second movable frame, and the nut clamp is mounted in the mounting groove;
the rack is provided with a sliding rail extending along the direction of the main shaft, the bottom of the second movable frame is a sliding part, and the sliding part is connected with the sliding rail in a matching way;
the two opposite sides of the second movable frame are respectively provided with an installation position, the tension sensor is installed at the installation positions, and the tension sensor is also connected with the first movable frame.
6. The comprehensive efficiency and torque testing machine according to claim 5, wherein the two sides of the main shaft are respectively provided with the parallel guide assemblies;
the guide assembly comprises a guide screw rod and fixing seats arranged at two ends of the guide screw rod, the guide screw rod is parallel to the main shaft, and the guide screw rod is rotatably arranged on the fixing seats.
7. The comprehensive efficiency and torque testing machine according to claim 6, wherein the top edge of the first movable frame is provided with an avoidance groove corresponding to the installation groove;
and screw nuts are arranged on two opposite sides of the first movable frame, and the screw nuts are sleeved on the guide screw rods.
8. The machine of claim 6, further comprising a brake device disposed on the frame;
the end part of the guide screw rod is provided with a third synchronous wheel, and the third synchronous wheel is in transmission connection with the braking device.
9. The machine of claim 8 wherein the braking means is a magnetic particle brake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320793205.4U CN219589944U (en) | 2023-04-06 | 2023-04-06 | Efficiency and torque comprehensive testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320793205.4U CN219589944U (en) | 2023-04-06 | 2023-04-06 | Efficiency and torque comprehensive testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219589944U true CN219589944U (en) | 2023-08-25 |
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ID=87666278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320793205.4U Active CN219589944U (en) | 2023-04-06 | 2023-04-06 | Efficiency and torque comprehensive testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219589944U (en) |
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2023
- 2023-04-06 CN CN202320793205.4U patent/CN219589944U/en active Active
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