CN219319310U - Ball screw stride stick distance verifying attachment - Google Patents
Ball screw stride stick distance verifying attachment Download PDFInfo
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- CN219319310U CN219319310U CN202223411005.2U CN202223411005U CN219319310U CN 219319310 U CN219319310 U CN 219319310U CN 202223411005 U CN202223411005 U CN 202223411005U CN 219319310 U CN219319310 U CN 219319310U
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- supporting seat
- ball screw
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The utility model discloses a ball screw rod span checking device, which comprises a supporting seat and a measuring head, wherein a control system and a display are arranged on the supporting seat, a first motor and a first fixing mechanism for clamping a screw rod to be checked are fixedly arranged on the supporting seat, the first motor is used for driving the screw rod to be checked to rotate, the measuring head is matched with the screw rod to be checked and is used for checking the rod span of the screw rod to be checked, a translation driving mechanism for driving the measuring head to move is arranged on the supporting seat, and the moving speed and the moving direction of the measuring head driven by the translation driving mechanism are the same as the moving speed and the moving direction of the measuring head driven by the screw rod to be checked; the device has the advantages that the cross rod distance test of each roller path on the ball screw can be rapidly and accurately realized, and the operation is simple.
Description
Technical Field
The utility model relates to the technical field of ball screw inspection, in particular to a ball screw rod span inspection device.
Background
The ball screw is a transmission element most commonly used on tool machinery and precision machinery, and has the main functions of converting rotary motion into linear motion or converting torque into axial repeated acting force, and meanwhile, the ball screw has the characteristics of high precision, reversibility and high efficiency, plays a vital role in the modern machinery industry, and the precision of the ball screw influences the performance of a ball screw product, so that the ball screw is particularly important for detecting parameters of the ball screw, and the stick-crossing distance is one of the parameters.
The conventional ball screw span rod distance detection device generally adopts a dial indicator and a measuring rod, because the measuring rod is slender, the matching degree with a screw ball track is poor, the measurement difficulty is high, the force track and the measurement mode of a user can influence the final value, so that the measurement data have deviation, the value of one ball track can be measured at one time, and the measurement of each ball track on the ball screw is very low in efficiency.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a device for testing the span rod distance of a ball screw, which can quickly and accurately test the span rod distance of each roller path on the ball screw and is simple to operate.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides a ball strides excellent distance verifying attachment, includes supporting seat and measuring head, be provided with control system and display on the supporting seat, fixedly on the supporting seat be provided with first motor and be used for the centre gripping to await measuring the first fixed establishment of a thread of lead screw, first motor is used for driving to await measuring the lead screw rotation, measuring head cooperatees and is used for checking to await measuring the excellent distance of striding of lead screw with the lead screw that awaits measuring, be provided with on the supporting seat and be used for the drive the translation actuating mechanism that the measuring head removed, translation actuating mechanism drive the moving speed and the direction of measuring head all drive with the lead screw that awaits measuring the speed and the direction that the measuring head removed are the same.
Further, the first fixing mechanism comprises a fixing seat and a sliding seat which are oppositely arranged, the fixing seat is fixed on the supporting seat, a guide rail is fixedly arranged on the supporting seat, the sliding seat is horizontally matched with the guide rail in a sliding mode, a first locking mechanism for locking the sliding seat on the guide rail is arranged on the sliding seat, the fixing seat and the sliding seat are respectively connected with a matching piece for connecting a screw rod to be tested in a rotating mode, the matching piece on the fixing seat is coaxially fixed with an output shaft of the first motor, and two ends of the screw rod to be tested are respectively connected with matching pieces at corresponding ends of the screw rod to be tested.
Further, the first locking mechanism comprises a first locking handle arranged on one side of the sliding seat, and a fastening screw on the first locking handle abuts against the guide rail to lock the sliding seat.
Furthermore, the two ends of the screw rod to be tested are provided with slots, and the matching piece is integrally provided with an inserting block matched with the slots, and the inserting block is inserted into the slots, so that the screw rod to be tested is connected with the matching piece.
Further, the measuring head comprises an upper measuring head, a lower measuring head and a pressure sensor, a measuring head opening and closing mechanism is arranged between the upper measuring head and the lower measuring head, a base is arranged at the lower end of the lower measuring head, the base is connected with the translation driving mechanism, an upper threaded portion matched with a screw to be measured is integrally arranged on the upper measuring head, a lower threaded portion matched with the screw to be measured is integrally arranged on the lower measuring head, the pressure sensor is arranged in the upper measuring head, an elastic touch assembly is arranged in the upper measuring head and is used for being contacted with the pressure sensor, the elastic touch assembly comprises a first spring and a steel ball, the steel ball penetrates through a screw tooth of the upper threaded portion, the steel ball is used for being abutted against a screw groove of the screw to be measured, and the first spring is abutted between the steel ball and the pressure sensor.
Further, the base is detachably connected with the lower measuring head.
Further, the pressure sensor is a resistive strain gauge sensor.
Further, the measuring head opening and closing mechanism comprises at least one first guide pillar fixedly arranged on the lower measuring head, the upper measuring head is sleeved on the first guide pillar, a nut is fixed at the upper end of the first guide pillar, one of the first guide pillars is sleeved with a reset spring, the reset spring abuts against the position between the upper measuring head and the lower measuring head, and the upper measuring head is provided with a second locking mechanism for locking the upper measuring head.
Further, the second locking mechanism comprises a second locking handle arranged on the upper measuring head, and a set screw on the second locking handle abuts against one of the first guide posts, so that the upper measuring head is locked.
Further, the translation actuating mechanism includes second motor and transmission lead screw, the second motor is fixed on the supporting seat, the one end of transmission lead screw with the output shaft coaxial fixed of second motor, the other end of transmission lead screw with the fixing base rotates to be connected, the base with transmission lead screw looks spiro union, the fixed guide arm connecting seat that is provided with in upper surface of supporting seat, the guide arm connecting seat with fixedly between the fixing base be provided with the guide arm that transmission lead screw paralleled, the guide arm passes the base makes the measuring head is followed guide arm horizontal slip.
Compared with the prior art, the utility model has the advantages that:
1. each roller path of the screw to be detected can be automatically and continuously detected, and the detection efficiency is high;
2. the measuring head is provided with an upper thread part and a lower thread part which are matched with the screw rod to be measured, and steel balls of threads which partially penetrate through the upper thread part are used for propping against a spiral groove of the screw rod to be measured, so that the matching degree of the measuring head and a rolling way of the screw rod to be measured is good, and the measuring data is accurate;
3. the driving screw rod is arranged to drive the measuring head to axially move, so that hard friction between the measuring head and the screw rod to be measured can be avoided;
4. the measuring head is replaceable, so that the inspection requirements of lead screws to be detected with different specifications can be met.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a top view of the present utility model;
FIG. 3 is a schematic view of the structure of the measuring head of the present utility model;
fig. 4 is a schematic diagram illustrating the cooperation between the elastic touch assembly and the pressure sensor according to the present utility model.
In the figure: 1. a support base; 2. a guide rod; 3. a display; 4. a first motor; 5. a second motor; 6. a transmission screw; 7. a screw rod to be tested; 8. a measuring head; 9. a fixing seat; 10. a sliding seat; 11. a guide rail; 12. a first locking handle; 13. a mating member; 14. a guide rod connecting seat; 15. an upper measuring head; 16. a lower measuring head; 17. a first guide post; 18. a return spring; 19. a second locking handle; 20. a base; 21. a pressure sensor; 22. an upper thread portion; 23. a lower thread portion; 24. steel balls; 25. a first spring.
Detailed Description
The utility model is described in further detail below with reference to the embodiments of the drawings.
As shown in fig. 1-4, a ball screw span inspection device comprises a supporting seat 1 and a measuring head 8, wherein a control system and a display 3 are arranged on the supporting seat 1, a first motor 4 for driving a screw 7 to be inspected to rotate and a first fixing mechanism for clamping the screw 7 to be inspected are fixedly arranged on the supporting seat 1, the first fixing mechanism comprises a fixing seat 9 and a sliding seat 10 which are oppositely arranged, the fixing seat 9 is fixed on the supporting seat 1, a guide rail 11 is fixedly arranged on the supporting seat 1, the sliding seat 10 is horizontally matched with the guide rail 11 in a sliding manner, a first locking mechanism for locking the sliding seat 10 on the guide rail 11 is arranged on the sliding seat 10, the first locking mechanism comprises a first locking handle 12 arranged on one side of the sliding seat 10, a fastening screw on the first locking handle 12 is abutted on the guide rail 11 to lock the sliding seat 10, so that the screws to be inspected with different lengths can be clamped, the fixed seat 9 and the sliding seat 10 are respectively provided with a matching piece 13 for connecting a screw rod to be tested, bearings can be respectively arranged on the fixed seat 9 and the sliding seat 10, the matching piece 13 is arranged in the bearings, so that the fixed seat 9 and the sliding seat 10 are rotationally connected with the corresponding matching piece 13, the matching piece 13 on the fixed seat 9 can be coaxially fixed with an output shaft of the first motor 4 through a coupler and the like, two ends of the screw rod 7 to be tested are respectively connected with the matching piece 13 at the corresponding ends thereof, the measuring head 8 is matched with the screw rod 7 to be tested and is used for checking the span rod distance of the screw rod to be tested, the measuring head 8 comprises an upper measuring head 15, a lower measuring head 16 and a pressure sensor 21, a measuring head opening and closing mechanism for opening and closing the measuring head is arranged between the upper measuring head 15 and the lower measuring head 16, an upper threaded part 22 matched with the screw rod 7 to be tested is integrally arranged on the upper measuring head 15, the lower measuring head 16 is integrally provided with a lower threaded part 23 matched with the lead screw 7 to be measured, the pressure sensor 21 is arranged in the upper measuring head 15, an elastic touch component used for being in contact with the pressure sensor 21 is arranged in the upper measuring head 15, the elastic touch component comprises a first spring 25 and a steel ball 24 of a screw thread of which part penetrates out of the upper threaded part 22, the steel ball 24 is used for being abutted against a spiral groove of the lead screw to be measured, the first spring 25 is abutted between the steel ball 24 and the pressure sensor 21, the lower end of the lower measuring head 16 is provided with a base 20, the base 20 is connected with a translation driving mechanism used for driving the measuring head 8 to move, the translation driving mechanism comprises a second motor 5 and a transmission lead screw 6, the second motor 5 is fixed on a supporting seat 1, one end of the transmission lead screw 6 is coaxially fixed with an output shaft of the second motor 5, the other end of the transmission lead screw 6 is rotatably connected with a fixed seat 9 through a bearing, the transmission lead screw 6 is in threaded connection with the base 20, a guide rod connecting seat 14 is fixedly arranged on the upper surface of the supporting seat 1, a guide rod 2 parallel to the transmission lead screw 6 is fixedly arranged between the guide rod connecting seat 14 and the fixed seat 9, the guide rod 2 and the guide rod 2 penetrates the base 20, the measuring head 8 is enabled to move along the direction of the measuring head 8 and the same as the rolling direction of the rolling joint 7 and the rolling joint 7 of the lead screw 8, and the rolling joint 7 is enabled to move along the measuring speed of the measuring head 7 and the rolling joint 7 and the measuring direction of the rolling joint 7 and the measuring lead screw 8.
In this embodiment, slots are formed at two ends of the screw rod 7 to be tested, and an insert block matched with the slots is integrally arranged on the matching piece 15, and the insert block is inserted into the slots, so that the screw rod 7 to be tested is connected with the matching piece 15.
In this embodiment, the probe opening and closing mechanism includes at least one first guide post 17 fixedly disposed on the lower probe, the upper probe 15 is sleeved on the first guide post 17, a nut is fixed at the upper end of the first guide post 17, a return spring 18 is sleeved on one first guide post 17, the return spring 18 abuts between the upper probe 15 and the lower probe 16, so that the upper probe 15 can move up and down along the first guide post 17 and can be reset through the return spring 18, the upper probe 15 is provided with a second locking mechanism for locking the upper probe 15, the second locking mechanism includes a second locking handle 19 disposed on the upper probe 15, and a set screw on the second locking handle 19 abuts on one first guide post 17, so that the upper probe 15 is locked.
In the present embodiment, the pressure sensor 21 is a conventional resistance strain sensor, and when the elastic element of the resistance strain sensor is deformed by pressure, the resistance strain gauge attached to the sensor converts the deformation of the elastic element into a change in resistance, and the change is converted into an analog electrical signal proportional to the pressure by the calculation conversion module and outputted.
For realizing the universality of the device, for the lead screw to be measured of different specifications, measuring heads 8 of different specifications are arranged, an upper threaded part 22 and a lower threaded part 23 of each measuring head 8 of different specifications are matched with the lead screw 7 to be measured, the lower measuring head 16 and a base 20 of the measuring head 8 are detachably fixed in the existing modes of plugging, clamping and the like, and when the measuring heads 8 of different specifications are required to be replaced, only the lower measuring head 16 and the upper measuring head 15 are required to be detached from the base 20, and then the other lower measuring head 16 is required to be installed.
The working principle of the device is as follows: the standard screw is placed on the lower measuring head 16 of the measuring head 8, the lower threaded part 23 on the lower measuring head 16 is attached to the rolling way of the standard screw, after the two ends of the standard screw are fixed, the upper measuring head 15 is pressed down, the upper threaded part 22 is attached to the rolling way of the standard screw, and the steel balls 24 are abutted to the spiral grooves until the display 3 shows detection data, so that the measuring head 8 is completely attached to the standard screw, the second locking handle 19 is rotated to lock the upper measuring head 15, the first motor 4 and the second motor 5 are controlled to work simultaneously, the standard screw and the driving screw 6 rotate, the driving screw 6 drives the moving speed and the moving direction of the measuring head 8 to be the same as the speed and the moving direction of the standard screw driving the measuring head 8, the measuring head 8 is always attached to the rolling way of the standard screw, the steel balls 24 are sequentially subjected to the pressure given by the rolling ways, and the pressure sensor 21 is transmitted in real time through the first spring 25, so that the value of the span of each rolling way of the standard screw can be detected and recorded by the control system as a reference value. Rotating the second rotating handle 19 to loosen the upper measuring head 15, detaching the standard screw, starting the second motor 5 to drive the transmission screw 6 to rotate so as to reset the measuring head 8, installing and detecting the screw to be measured according to the step of installing the standard screw, comparing the detected value of the span rod distance of the screw to be measured with a reference value, and if the value is within a specified error range, obtaining a qualified product; if the error range is exceeded, the product is a defective product.
The scope of the present utility model includes, but is not limited to, the above embodiments, and any alterations, modifications, and improvements made by those skilled in the art are intended to fall within the scope of the utility model.
Claims (10)
1. A ball strides stick distance verifying attachment, its characterized in that: including supporting seat and measuring head, be provided with control system and display on the supporting seat, fixed first motor and the first fixed establishment that is used for the centre gripping lead screw that awaits measuring of being provided with on the supporting seat, first motor is used for driving the lead screw rotation that awaits measuring, the measuring head cooperatees and is used for checking the span stick distance of lead screw that awaits measuring, be provided with on the supporting seat and be used for the drive the translation actuating mechanism that the measuring head removed, translation actuating mechanism drive the moving speed and the direction of measuring head all drive with the lead screw that awaits measuring the speed and the direction that the measuring head removed are the same.
2. The ball screw pitch testing device of claim 1, wherein: the first fixing mechanism comprises a fixing seat and a sliding seat which are opposite to each other, the fixing seat is fixed on the supporting seat, a guide rail is fixedly arranged on the supporting seat, the sliding seat is horizontally matched with the guide rail in a sliding mode, a first locking mechanism for locking the sliding seat on the guide rail is arranged on the sliding seat, the fixing seat and the sliding seat are respectively connected with a matching piece for connecting a screw rod to be tested in a rotating mode, the matching piece on the fixing seat is coaxially fixed with an output shaft of the first motor, and two ends of the screw rod to be tested are respectively connected with matching pieces at corresponding ends of the screw rod to be tested.
3. A ball screw pitch testing device according to claim 2, wherein: the first locking mechanism comprises a first locking handle arranged on one side of the sliding seat, and a fastening screw on the first locking handle abuts against the guide rail to lock the sliding seat.
4. A ball screw pitch testing device according to claim 2, wherein: the two ends of the screw rod to be tested are provided with slots, and the matching piece is integrally provided with an inserting block matched with the slots, and the inserting block is inserted into the slots, so that the screw rod to be tested is connected with the matching piece.
5. A ball screw pitch testing device according to claim 2, wherein: the measuring head comprises an upper measuring head, a lower measuring head and a pressure sensor, a measuring head opening and closing mechanism is arranged between the upper measuring head and the lower measuring head, a base is arranged at the lower end of the lower measuring head, the base is connected with the translation driving mechanism, an upper threaded portion matched with a screw to be measured is integrally arranged on the upper measuring head, a lower threaded portion matched with the screw to be measured is integrally arranged on the lower measuring head, the pressure sensor is arranged in the upper measuring head, an elastic touch assembly used for being contacted with the pressure sensor is arranged in the upper measuring head, the elastic touch assembly comprises a first spring and steel balls, the steel balls partially penetrate out of threads of the upper threaded portion, the steel balls are used for being abutted against spiral grooves of the screw to be measured, and the first spring is abutted between the steel balls and the pressure sensor.
6. The ball screw span inspection device of claim 5, wherein: the base is detachably connected with the lower measuring head.
7. The ball screw span inspection device of claim 5, wherein: the pressure sensor is a resistance strain sensor.
8. The ball screw span inspection device of claim 5, wherein: the measuring head opening and closing mechanism comprises at least one first guide post fixedly arranged on the lower measuring head, the upper measuring head is sleeved on the first guide post, a nut is fixed at the upper end of the first guide post, one of the first guide posts is sleeved with a reset spring, the reset spring is propped between the upper measuring head and the lower measuring head, and the upper measuring head is provided with a second locking mechanism for locking the upper measuring head.
9. The ball screw pitch testing device of claim 8, wherein: the second locking mechanism comprises a second locking handle arranged on the upper measuring head, and a set screw on the second locking handle is abutted against one of the first guide posts, so that the upper measuring head is locked.
10. The ball screw span inspection device of claim 5, wherein: the translation actuating mechanism includes second motor and transmission lead screw, the second motor is fixed on the supporting seat, the one end of transmission lead screw with the output shaft coaxial fixed of second motor, the other end of transmission lead screw with the fixing base rotates to be connected, the base with transmission lead screw looks spiro union, the last fixed surface of supporting seat is provided with the guide arm connecting seat, the guide arm connecting seat with fixedly between the fixing base be provided with the guide arm that transmission lead screw paralleled, the guide arm passes the base makes the measuring head is followed the guide arm horizontal slip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223411005.2U CN219319310U (en) | 2022-12-16 | 2022-12-16 | Ball screw stride stick distance verifying attachment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223411005.2U CN219319310U (en) | 2022-12-16 | 2022-12-16 | Ball screw stride stick distance verifying attachment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219319310U true CN219319310U (en) | 2023-07-07 |
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ID=87031630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223411005.2U Active CN219319310U (en) | 2022-12-16 | 2022-12-16 | Ball screw stride stick distance verifying attachment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219319310U (en) |
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2022
- 2022-12-16 CN CN202223411005.2U patent/CN219319310U/en active Active
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