CN218296998U

CN218296998U - Measuring device for outer diameter of screw rod

Info

Publication number: CN218296998U
Application number: CN202222430011.6U
Authority: CN
Inventors: 王宇航
Original assignee: Jiaxing Shengsimeng Precision Machinery Co ltd
Current assignee: Jiaxing Shengsimeng Precision Machinery Co ltd
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2023-01-13
Anticipated expiration: 2032-09-14

Abstract

The utility model discloses a measuring device of lead screw external diameter, which comprises a mounting table, on the outer wall of mount table one side respectively fixed mounting have first slide rail and second slide rail, first slide rail perpendicular to second slide rail, sliding connection has the platform of placing on the first slide rail, be provided with clamping measurement mechanism on the second slide rail, clamping measurement mechanism includes locating piece and measuring block, locating piece fixed mounting is in the outer wall of mount table one side, the fixed double-layered gauge stand that is provided with on the outer wall of mount table one side, be provided with the percentage table in the double-layered gauge stand, measuring block one side outer wall butt in percentage table sense terminal. The utility model provides a measuring device of lead screw external diameter measures the lead screw through the centre gripping mode, has replaced traditional micrometer to measure, can not be restricted by the measuring gimmick, guarantees the accuracy of testing result, the operation of being convenient for simultaneously, the efficiency that the lead screw external diameter that improves detected.

Description

Measuring device for outer diameter of screw rod

Technical Field

The utility model relates to a lead screw production and processing technology field relates to a measuring device of lead screw external diameter particularly.

Background

Ball screw transmission has that the drive ratio is big, the steady characteristics of transmission, and present ball screw transmission has become indispensable transmission mode in the mechanical transmission, in ball screw's production process, in order to ensure that the ball screw meet the requirements of production, need measure the external diameter of lead screw to the external diameter size of assurance lead screw is accurate.

According to the publication: CN108613643A, published as 2018-10-02, discloses a high-precision bearing inner and outer diameter measuring device, which comprises a supporting base plate, a vertical beam, a bearing outer diameter measuring mechanism and a bearing inner diameter measuring mechanism, wherein the vertical beam is installed at one side of the supporting base plate, the bearing outer diameter measuring mechanism and the bearing inner diameter measuring mechanism are installed on the vertical beam, the bearing outer diameter measuring mechanism comprises a first beam, a first outer diameter clamping plate, a second outer diameter clamping plate, a first ball screw, a first screw nut and a first hand wheel, one end of the first beam is welded with the side surface of the first vertical beam, the other end of the first beam is provided with the first outer diameter clamping plate, the middle of the first beam is movably provided with the second outer diameter clamping plate, the upper part of the first beam is provided with the first ball screw, and one end of the first ball screw is fixed with the second outer diameter clamping plate, the other end of the first ball screw is connected with a first hand wheel at the other side of the vertical beam, a first screw nut is installed on the first ball screw, the upper part of a second outer diameter clamping plate is connected with the first screw nut, the bearing inner diameter measuring mechanism comprises a second cross beam, a first inner diameter clamping plate, a second ball screw, a second screw nut and a second hand wheel, the first inner diameter clamping plate is installed at the free end of the second cross beam, the second inner diameter clamping plate is movably installed in the middle of the second cross beam, the second ball screw is arranged right above the second cross beam, one end of the second ball screw is fixed with the first inner diameter clamping plate, the other end of the second ball screw is connected with the second hand wheel at the other side of the vertical beam, the upper end of the second inner diameter clamping plate is connected with the second screw nut installed on the second ball screw, the supporting bottom plate is provided with a controller, and the controller is provided with a liquid crystal display. The main technical effects are as follows: through setting up first distance sensor and second distance sensor, during the use, after first external diameter splint and the second external diameter splint among the bearing external diameter measurement mechanism are fixed with the bearing centre gripping, install first distance sensor's on first external diameter splint ultrasonic transmitter to first external diameter splint transmission ultrasonic wave and rebound and be received by ultrasonic receiver, the time difference that the system can take notes the sound wave by transmitting to receiving simultaneously and calculate the distance between first external diameter splint and the second external diameter splint and present on LCD through the controller according to the sound velocity, and when carrying out bearing internal diameter measurement, ultrasonic transmitter among the second distance sensor is towards erecting roof beam one side transmission ultrasonic wave, and then can survey the distance between second internal diameter splint and the perpendicular roof beam after ultrasonic receiver receives, then take first splint internal diameter outside to erect the inboard limit distance of roof beam and subtract above-mentioned ultrasonic measurement distance can obtain bearing internal diameter size, the utility model discloses intelligent degree is high, the precision is high, the efficiency is poor.

When carrying out the external diameter measurement, current ball screw adopts the external micrometer to measure usually, when using the external micrometer to measure, usually because the user operation is improper, make the measuring terminal surface of external micrometer can not be tangent with the ball screw outer wall, thereby make the data that the external micrometer surveyed inaccurate, for this reason, a measuring device of lead screw external diameter is proposed, aim at solving current use micrometer and carry out the external diameter measurement, because user misoperation, make the measuring terminal surface of external micrometer can not be tangent with the ball screw outer wall, thereby make the unsafe problem of data that the external micrometer surveyed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a measuring device of lead screw external diameter aims at solving and has now used the micrometer to carry out the external diameter measurement, because user's misoperation for the measuring terminal surface of external micrometer can not be tangent with the ball screw outer wall, thereby makes the unsafe problem of data that external micrometer recorded.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides a measuring device of lead screw external diameter, includes the mount table, there are first slide rail and second slide rail respectively fixed mounting on the outer wall of mount table one side, first slide rail perpendicular to second slide rail, sliding connection has the platform of placing on the first slide rail, be provided with centre gripping measuring mechanism on the second slide rail, centre gripping measuring mechanism includes locating piece and measuring block, locating piece fixed mounting is in the outer wall of mount table one side, the fixed double-layered gauge stand that is provided with on the outer wall of mount table one side, be provided with the percentage table in the double-layered gauge stand, measuring block one side outer wall butt in percentage table sense terminal.

Preferably, the outer wall of one side of the positioning block is fixedly provided with a butting block, and one end of the butting block is butted with one end of the measuring block.

Preferably, the clamping and measuring mechanism further comprises a sliding table, the sliding table is connected to the second sliding rail in a sliding mode, a limiting block is fixedly arranged at one end of the second sliding rail, a sliding rod is arranged on the outer wall of one side of the sliding table, and the sliding table is connected to the outer wall of one side of the limiting block in a sliding mode through the sliding rod.

Preferably, an abutting spring is sleeved on the outer wall of the sliding rod, one end of the abutting spring abuts against the outer wall of one side of the sliding table, and the other end of the abutting spring abuts against the outer wall of one side of the limiting block.

In the technical scheme, the utility model provides a pair of measuring device of lead screw external diameter has following beneficial effect:

the utility model discloses a, the platform of placing through connecting on the first slide rail of mount table can the bearing lead screw that awaits measuring, the centre gripping measuring mechanism who sets up on the second slide rail carries out external diameter measurement to the lead screw that awaits measuring, the measuring block butt on the inside percentage table sense terminal of clamp meter seat and the second slide rail, it is flexible to order about the percentage table sense terminal through the slip of measuring block on the second slide rail, through the measuring block, the locating piece and place the platform and carry out the centre gripping to the lead screw that awaits measuring, and detect the lead screw external diameter through the measuring block drive percentage table sense terminal is flexible, measure the lead screw through the centre gripping mode, traditional micrometer has been replaced and has been measured, can not be restricted by the measuring gimmick, guarantee the accuracy of testing result, the operation of being convenient for simultaneously, the efficiency of the lead screw external diameter detection of improvement.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic perspective view of an embodiment of the present invention;

fig. 2 is a schematic structural view of a clamping and measuring mechanism provided in an embodiment of the present invention;

fig. 3 is a schematic view of a usage status structure according to an embodiment of the present invention.

Description of reference numerals:

1. an installation table; 2. a first slide rail; 3. a second slide rail; 4. a placing table; 5. clamping the measuring mechanism; 51. positioning a block; 511. a butting block; 52. a measuring block; 53. a sliding table; 531. a slide bar; 54. an abutment spring; 6. clamping a meter seat; 7. a dial indicator; 8. and a limiting block.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

Please refer to fig. 1-3, a measuring device for the outer diameter of a screw rod, comprising a mounting table 1, wherein a first slide rail 2 and a second slide rail 3 are respectively and fixedly mounted on the outer wall of one side of the mounting table 1, the first slide rail 2 is perpendicular to the second slide rail 3, a placing table 4 is slidably connected to the first slide rail 2, a clamping and measuring mechanism 5 is arranged on the second slide rail 3, the clamping and measuring mechanism 5 comprises a positioning block 51 and a measuring block 52, the positioning block 51 is fixedly mounted on the outer wall of one side of the mounting table 1, a dial indicator holder 6 is fixedly arranged on the outer wall of one side of the mounting table 1, a dial indicator 7 is arranged in the clamp indicator holder 6, and the outer wall of one side of the measuring block 52 abuts against the detection end of the dial indicator 7.

Specifically, the mounting table 1 is a rectangular plate-shaped structure, the mounting table 1 can be placed on a workbench to facilitate measurement operation of a lead screw to be measured by a worker, a first slide rail 2 and a second slide rail 3 are fixedly mounted on the outer wall of one side of the mounting table 1, preferably, the first slide rail 2 is perpendicular to the second slide rail 3, the length of the first slide rail 2 is greater than that of the second slide rail 3, the longer first slide rail 2 can be adapted to lead screws with different lengths, a clamping and measuring mechanism 5 is slidably connected onto the second slide rail 3, the clamping and measuring mechanism 5 comprises a positioning block 51 and a measuring block 52, the positioning block 51 is fixedly mounted on the outer wall of one side of the mounting table 1, and the positioning block 51 is located at one end of the second slide rail 3, measuring block 52 sliding connection is on second slide rail 3, fixed mounting has double-layered gauge stand 6 on the outer wall of mount table 1 one side, it is specific, double-layered gauge stand 6 is "L" type structure, "the one end fixed mounting of the double-layered gauge stand 6 of" L "type structure is on the outer wall of mount table 1 one side, there is percentage table 7 at the inside movable mounting of the other end of the double-layered gauge stand 6 of" L "type structure, can make percentage table 7 erect in second slide rail 3 top through double-layered gauge stand 6, thereby can make the sense terminal of percentage table 7 and measuring block 52 butt, make measuring block 52 can extrude the sense terminal of percentage table 7 when keeping gliding on second slide rail 3, make percentage table 7 data change, thereby can measure the external diameter of lead screw between measuring block 52 and locating piece 51. As shown in fig. 2, the number of the placing tables 4 is two, which is convenient for supporting the lead screw to be tested.

The utility model discloses a, through placing platform 4 and can bearing the lead screw that awaits measuring of connecting on the first slide rail 2 of mount table 1, the centre gripping measuring mechanism 5 that sets up on the second slide rail 3 comes to carry out the external diameter measurement to the lead screw that awaits measuring, the measuring block 52 butt on 7 sense terminals of the inside percentage table of clamp meter seat 6 and the second slide rail 3, it is flexible to order about 7 sense terminals of percentage table through measuring block 52 slip on the second slide rail 3, through measuring block 52, locating piece 51 and place platform 4 and carry out the centre gripping to the lead screw that awaits measuring, and detect the lead screw external diameter through measuring block 52 drive 7 sense terminals of percentage table are flexible, measure the lead screw through the centre gripping mode, traditional micrometer has been replaced and has been measured, can not be restricted by the measuring gimmick, guarantee the accuracy of testing result, and simultaneously be convenient for operation, the efficiency of the external diameter detection of lead screw of improvement.

The outer wall fixed mounting of locating piece 51 one side has butt joint piece 511, and is specific, and butt joint piece 511 is the rectangle structure, and the outer wall of its one side is planar structure, measures piece 52 and also is the rectangle structure, and the outer wall of its one side is planar structure, and the one end of butt joint piece 511 planar structure and the one end butt of measuring piece 52 planar structure.

The clamping and measuring mechanism 5 further comprises a sliding table 53, the sliding table 53 is slidably connected to the second slide rail 3, the sliding table 53 is located below the dial indicator 7, the sliding table 53 is of an L-shaped structure, an insertion groove is formed in the outer wall of one end of the sliding table 53 of the L-shaped structure, the measuring block 52 is fixedly installed in the insertion groove, the other end of the L-shaped structure of the sliding table 53 is slidably connected to the second slide rail 3, a sliding rod 531 is fixedly installed on the outer wall of one side of the sliding table 53, a limiting block 8 is fixedly arranged at one end of the second slide rail 3, a sliding groove is formed in the outer wall of one side of the limiting block 8, the sliding table 53 is slidably connected to the sliding groove of the limiting block 8 through the sliding rod 531, an abutting spring 54 is arranged between the outer wall of one side of the limiting block 8 and the outer wall of one side of the sliding table 53, the abutting spring 54 is a compression spring, the abutting spring 54 is sleeved on the outer wall of the sliding rod 531, the sliding table 53 can be driven to move towards one end of the positioning block 51 through the abutting spring 54, and the abutting end of the planar structure of the measuring block 52 on the sliding table 53 and the abutting block 511 is kept in abutting connection. As shown in fig. 2, a handle is fixedly mounted on the top of the sliding table 53, so that the sliding table 53 can be conveniently slid by an operator.

In use, the measuring block 52 and the abutment block 511 are first held in abutment, the dial indicator 7 is then mounted on the dial holder 6, the detection end of the dial indicator 7 and the outer wall on the measuring block 52 side are held in abutment, and the dial indicator 7 is then zeroed. The lead screw to be measured is placed on the placing table 4, the sliding table 53 is pulled to separate the measuring block 52 from the abutting block 511, the placing table 4 slides at the moment, one end of the lead screw to be measured on the placing table 4 moves between the measuring block 52 and the abutting block 511, the sliding table 53 is driven to move towards the positioning block 51 through the abutting spring 54, so that the measuring block 52 abuts against the outer wall of the lead screw to be measured, and the numerical value displayed by the dial indicator 7 is the outer diameter of the lead screw at the moment.

This article mention compression spring, its elastic coefficient accords with the technical requirement of the technical scheme of the utility model.

It will be appreciated by those skilled in the art that other similar connections may be used to implement the present invention. Such as welding, bonding, or screwing.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive on the scope of the appended claims.

Claims

1. The utility model provides a measuring device of lead screw external diameter, includes mount table (1), its characterized in that, on the outer wall of mount table (1) one side respectively fixed mounting have first slide rail (2) and second slide rail (3), first slide rail (2) perpendicular to second slide rail (3), sliding connection has place platform (4) on first slide rail (2), be provided with centre gripping measuring mechanism (5) on second slide rail (3), centre gripping measuring mechanism (5) are including locating piece (51) and measuring block (52), locating piece (51) fixed mounting is in the outer wall of mount table (1) one side, fixed being provided with on the outer wall of mount table (1) one side presss from both sides gauge stand (6), be provided with percentage table (7) in pressing from both sides gauge stand (6), measuring block (52) one side outer wall butt in percentage table (7) sense terminal.

2. The measuring device for the outer diameter of the screw rod according to claim 1, wherein a butting block (511) is fixedly mounted on the outer wall of one side of the positioning block (51), and one end of the butting block (511) is butted with one end of the measuring block (52).

3. The measuring device for the outer diameter of the screw rod according to claim 2, wherein the clamping measuring mechanism (5) further comprises a sliding table (53), the sliding table (53) is slidably connected to the second sliding rail (3), a limiting block (8) is fixedly arranged at one end of the second sliding rail (3), a sliding rod (531) is arranged on the outer wall of one side of the sliding table (53), and the sliding table (53) is slidably connected to the outer wall of one side of the limiting block (8) through the sliding rod (531).

4. The measuring device for the outer diameter of the screw rod according to claim 3, wherein the outer wall of the sliding rod (531) is sleeved with an abutting spring (54), one end of the abutting spring (54) abuts against the outer wall of one side of the sliding table (53), and the other end of the abutting spring (54) abuts against the outer wall of one side of the limiting block (8).