CN112254601A - Universal caliper calibrating device - Google Patents
Universal caliper calibrating device Download PDFInfo
- Publication number
- CN112254601A CN112254601A CN202011029257.1A CN202011029257A CN112254601A CN 112254601 A CN112254601 A CN 112254601A CN 202011029257 A CN202011029257 A CN 202011029257A CN 112254601 A CN112254601 A CN 112254601A
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- caliper
- storage rack
- adjustable
- block
- vertical
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B3/00—Measuring instruments characterised by the use of mechanical techniques
- G01B3/20—Slide gauges
Abstract
The invention discloses a universal caliper calibrating device, which belongs to the technical field of geometric calibration and comprises a workbench, wherein a vernier caliper clamping mechanism is arranged on the workbench and comprises a vertical bracket and a transverse storage rack which is connected with the vertical bracket in a sliding way and ascends and descends along the vertical direction, at least two clamping parts for fixing a caliper are connected on the transverse storage rack in a sliding way, and the clamping parts are fixedly connected with the transverse storage rack through a locking mechanism in a locking way. According to the invention, the clamping part for fixing the caliper is arranged on the liftable transverse storage bracket, so that the caliper can be calibrated in a lifting control mode only after being fixed, on one hand, the problem of high labor intensity of manual calibration is avoided, and on the other hand, the problem of high measurement error caused by phenomena of easy shaking and the like generated in the alignment process of the caliper and the gauge block during manual measurement is avoided.
Description
Technical Field
The invention relates to the technical field of geometric quantity calibration, in particular to a universal caliper calibration device.
Background
The universal caliper (caliper for short) is a measuring tool for measuring length, inner diameter, outer diameter and depth. The vernier caliper consists of a main ruler and a vernier attached to the main ruler and capable of sliding.
The universal caliper is one of the most widely and important measuring tools used in the mechanical industry, is widely applied to various fields of national economy such as manufacturing industry, installation industry, scientific research institutes and the like, and is a necessary tool for workers and inspectors in a processing workshop. The enterprise or the metering department producing the universal calipers needs to perform performance verification on the indication errors of the universal calipers according to the regulations set by the relevant departments. The traditional verification method is completed manually, has the defects of large workload, low efficiency, low precision and the like, and is influenced by human errors to cause the final verification result to be inaccurate. Whether the product is used correctly or not directly influences the qualification rate of the inspected product and even influences the economic benefit of enterprises.
The main ruler and the vernier of the caliper are provided with two pairs of movable measuring claws, namely an inner measuring claw and an outer measuring claw, wherein the inner measuring claw is generally used for measuring the inner diameter, and the outer measuring claw is generally used for measuring the length and the outer diameter; the depth gauge is connected with the vernier, and can measure the depth of the groove and the barrel. Common general calipers can be classified into 4 types according to the precision: i.e., 0.10 mm, 0.05 mm, 0.02 mm, and 0.01mm, of universal calipers.
The calipers and the gauge blocks of the existing calibrating mechanism are calibrated, the whole calibrating process is finished by pure hands, and the calibrating mechanism has the following defects: 1. the equal-height blocks are adopted for supporting and calibrating, so that the operation difficulty is high; 2. during the calibration process of a calibrator, the calipers and the measuring blocks are easy to generate displacement and relative displacement to influence the measurement result; 3. the requirement on personnel capacity is high, and the calibration process cannot be operated by one person, so that the waste of human resources is caused; 4. for the large-range caliper, a semicircular block is padded below the block gauge to adjust the position and the direction of the block gauge, so that the working surface of the block gauge is aligned with the working surface of the caliper, and the labor intensity is high; 5. inefficient calibration, and inconvenience.
Disclosure of Invention
The invention aims to provide a general caliper calibrating device which is convenient to operate, small in error and high in calibrating efficiency aiming at the defects and the defects of the prior art.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a universal caliper calibrating device which comprises a workbench, wherein a vernier caliper clamping mechanism is arranged on the workbench and comprises a vertical bracket and a transverse storage rack which is connected with the vertical bracket in a sliding manner and ascends and descends along the vertical direction, at least two clamping parts for fixing a caliper are connected on the transverse storage rack in a sliding manner, and the clamping parts are fixedly connected with the transverse storage rack in a locking manner through a locking mechanism.
Preferably, the clamping portion comprises a fixed clamping portion and/or an adjustable clamping portion; the fixed clamping part comprises a fixed support rod connecting block which is in sliding connection with the transverse storage rack and a fixed caliper support rod which is arranged on the fixed support rod connecting block; the adjustable clamping part comprises an adjustable supporting rod connecting block which is connected with the transverse storage rack in a sliding mode and a fine adjustment driving part which is arranged on the adjustable supporting rod connecting block, and the lower portion of the fine adjustment driving part is connected with the adjustable caliper supporting rod.
Preferably, when the fixed clamping portion and the adjustable clamping portion are simultaneously disposed on the transverse storage rack, the fixed clamping portion is located at an end portion of the transverse storage rack, and the adjustable clamping portion is located at a middle portion of the transverse storage rack.
Preferably, the fine setting drive division is including the fine setting pole and the regulation pole that from top to bottom connects gradually, the fine setting pole with adjustable branch connecting block threaded connection, the lower extreme of adjusting the pole with adjustable slide caliper rule branch is connected.
Preferably, the adjustable clamping part is provided with a limit screw, the lower end of the adjustable supporting rod connecting block is provided with a long round hole, one end of the limit screw is arranged at the lower end of the fine adjustment driving part, and the other end of the limit screw is at least positioned in the long round hole.
Preferably, the transverse storage rack is connected with the clamping part through a sliding connection structure, the sliding connection structure comprises a sliding block and a sliding groove which are matched with each other, and a locking screw hole for locking a locking bolt of the sliding block to penetrate is formed in the sliding block or the sliding groove.
Preferably, the horizontal storage rack is connected with the vertical bracket through a vertical lifting mechanism, the vertical lifting mechanism comprises a lifting driving motor, a rotating lead screw and a lead screw nut which are sequentially connected, the lead screw nut is fixedly connected with the horizontal storage rack, and the rotating lead screw is rotatably arranged on the vertical bracket.
Preferably, the number of the vertical brackets is at least 2, the transverse storage rack is connected with each vertical bracket through the corresponding vertical lifting mechanism, and the adjacent vertical lifting mechanisms are connected through a synchronous belt.
Preferably, a proximity switch is arranged on the vertical bracket.
Preferably, still be provided with gage block adjusting part on the workstation, gage block adjusting part include one end with workstation looks articulated gage block platform is in with rotatable setting cam mechanism on the workstation, cam mechanism is including dwang, thread piece, rocking arm and the pivot that connects gradually, the dwang with the workstation rotates to be connected, the dwang with thread piece threaded connection, the thread piece with the rocking arm is articulated mutually, be provided with in the pivot and be located the cam of gage block platform other end below.
Compared with the prior art, the invention has the following beneficial effects:
1. in the universal caliper calibrating device provided by the invention, the clamping part for fixing the caliper is arranged on the liftable transverse storage bracket, so that the caliper can be calibrated in a lifting control mode only after being fixed, on one hand, the problem of high labor intensity of manual calibration is avoided, and on the other hand, the problem of high measurement error caused by phenomena of easy shaking and the like in the process of aligning the caliper and a gauge block during manual measurement is avoided; furthermore, the mode that at least two clamping parts are arranged on the transverse storage rack is adopted, so that the head of the caliper is clamped, the tail of the caliper is supported and positioned, the problem that the head of the caliper is stressed and bent due to reasons such as tail shaking is avoided, and the measurement precision is further ensured.
2. In the universal caliper calibrating device provided by the invention, the adjustable clamping part is arranged, so that the head position or the tail position of the caliper can be finely adjusted, and the problem that the caliper cannot be effectively fixed due to the manufacturing error of the clamping part is solved;
3. in the universal caliper calibrating device provided by the invention, the mode that the proximity switch is arranged on the vertical bracket is adopted, so that the downward movement of the transverse storage rack can be effectively controlled, and the problem that the caliper is damaged by collision due to overlarge downward movement length is avoided.
4. In the universal caliper calibrating device provided by the invention, the measuring block adjusting component is arranged on the workbench, so that the measuring block is convenient to mount and fine adjust, and the calibrating efficiency is improved.
5. In the universal caliper calibrating device provided by the invention, one person can operate the whole calibrating process, so that the labor is saved, and the calibrating efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic diagram of the overall structure of a universal caliper calibration device according to the present invention;
FIG. 2 is a schematic structural view of the bracket and the vertical lifting mechanism of FIG. 1;
FIG. 3 is a schematic view of the transverse storage rack of FIG. 1;
FIG. 4 is a schematic structural view of the gauge block adjustment assembly of FIG. 1;
FIG. 5 is a schematic structural view of the fixing clip portion of FIG. 1;
FIG. 6 is a schematic view of the adjustable clamping portion of FIG. 1;
FIG. 7 is a schematic diagram of the cam mechanism of FIG. 4;
wherein, 1 workstation, 2 vertical brackets, 3 horizontal storage racks, 4 fixed clamping parts, 5 adjustable clamping parts, 6 fixed branch connecting blocks, 7 fixed slide caliper branches, 8 adjustable branch connecting blocks, 9 adjustable slide caliper branches, 10 fine adjustment rods, 11 regulation poles, 12 stop screw, 13 sliders, 14 chutes, 15 vertical elevating system, 16 elevating drive motors, 17 rotation lead screws, 18 lead screw nuts, 19 proximity switches, 20 gauge block adjusting components, 21 gauge block platforms, 22 rotation poles, 23 thread blocks, 24 rocker arms, 25 rotating shafts, 26 cams.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a general caliper calibrating device which is convenient to operate, small in error and high in calibrating efficiency aiming at the defects and the defects of the prior art.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1 to 7, the invention provides a universal caliper calibrating device, which comprises a workbench 1, wherein a vernier caliper clamping mechanism is arranged on the workbench 1, the vernier caliper clamping mechanism comprises a vertical bracket 2 and a transverse storage rack 3 which is connected with the vertical bracket 2 in a sliding manner and can vertically lift, at least two clamping parts for fixing a caliper are connected on the transverse storage rack 3 in a sliding manner, and the clamping parts are fixedly connected with the transverse storage rack 3 in a locking manner through a locking mechanism. The workbench 1 can be of a planar structure, can also be of a structure with a support, and is preferably of a hollow structure; the number of the vertical brackets 2 and the distance between the vertical brackets are determined according to the length of the transverse storage rack 3, and the transverse storage rack 3 can be only stably supported; the lifting mode of the transverse storage rack 3 can be various, and can be a telescopic oil cylinder, an air cylinder and other structures, a rack, a gear and other structures, or a screw rod structure with better stability and higher adjustment precision, of course, the lifting process can be controlled manually or electrically, and when the electric control is carried out automatically, an electric cabinet as shown in the figure needs to be arranged; the working process is as follows: the method comprises the following steps of placing a measuring block on a workbench 1, fixing a caliper on a clamping part, controlling the transverse storage rack 3 to move up and down to enable the caliper to move towards the measuring block, and finishing calibration according to a caliper calibration standard; in the technical scheme, the clamping part for fixing the caliper is arranged on the liftable transverse storage bracket, so that the caliper can be calibrated in a lifting control mode only after being fixed, on one hand, the problem of high labor intensity of manual calibration is avoided, and on the other hand, the problem of high measurement error caused by phenomena of easy shaking and the like in the process of aligning the caliper and a measuring block during manual measurement is avoided; further, the mode that sets up two at least clamping parts on horizontal storage rack 3 is adopted, has not only carried out the centre gripping to the slide caliper rule head, has still carried out the support location to the slide caliper rule tail, has avoided the afterbody to rock the scheduling reason and has caused the slide caliper rule head to receive the problem of stress bending, and then has guaranteed measurement accuracy.
The clamping part comprises a fixed clamping part 4 and/or an adjustable clamping part 5; the fixed clamping part 4 comprises a fixed support rod connecting block 6 which is connected with the transverse storage rack 3 in a sliding way and a fixed caliper support rod 7 which is arranged on the fixed support rod connecting block 6; the adjustable clamping part 5 comprises an adjustable supporting rod connecting block 8 which is connected with the transverse storage rack 3 in a sliding mode and a fine adjustment driving part which is arranged on the adjustable supporting rod connecting block 8, and the lower portion of the fine adjustment driving part is connected with an adjustable caliper supporting rod 9. The fixed clamping part 4 and the adjustable clamping part 5 can be arranged at one of the two sides, or at the same time, and further, when the fixed clamping part 4 and the adjustable clamping part 5 are simultaneously arranged on the transverse storage rack 3, the fixed clamping part 4 is positioned at the end part of the transverse storage rack 3, and the adjustable clamping part 5 is positioned at the middle part of the transverse storage rack 3; the fixed caliper support rod 7 or the adjustable caliper support rod 9 is provided with a plurality of clamping areas with diameters, so that the head of the caliper can be clamped effectively; the structure of the fine adjustment driving part is also various, and the fine adjustment driving part can be a telescopic cylinder or a manual threaded rod, if the fine adjustment driving part is arranged to comprise a fine adjustment rod 10 and an adjusting rod 11 which are sequentially connected from top to bottom, the fine adjustment rod 10 is in threaded connection with an adjustable support rod connecting block 8, the lower end of the adjusting rod 11 is connected with an adjustable caliper support rod 9, and when adjustment is carried out, the fine adjustment rod 10 is rotated to drive the adjusting rod 11 and the adjustable caliper rod which is vertically connected with the adjusting rod 11 to carry out up-and-down fine adjustment movement; the adjustable clamping part 5 is arranged, so that the head position or the tail position of the caliper can be finely adjusted, and the problem that the caliper cannot be effectively fixed due to the manufacturing error of the clamping part is solved; it is preferable to provide the fixed clamp 4 and the adjustable clamp 5 at the same time.
In order to limit the fine adjustment displacement and avoid the problem of overlarge adjustment range, the adjustable clamping part 5 is provided with a limit screw 12, the lower end of the adjustable support rod connecting block 8 is provided with a long round hole, one end of the limit screw 12 is arranged at the lower end of the fine adjustment driving part, and the other end of the limit screw 12 is at least positioned in the long round hole; namely, due to the limit screw 12, the adjusting range can only be the length of the long round hole; the mounting mode of limit screw 12 is diversified, can directly carry out detachable threaded connection with adjusting pole 11 with limit screw 12's one end, for the convenience of operation, also can be provided with the screw hole on adjusting pole 11 and adjustable slide caliper rule branch 9 for limit screw 12's the other end directly passes after adjusting pole 11 and adjustable slide caliper rule branch 9, realizes that limit screw 12's the other end is located the technological effect in the slotted hole at least.
In order to realize the locking and fixed connection of the clamping part and the transverse storage rack 3 through a locking mechanism, the transverse storage rack 3 and the clamping part are connected through a sliding connection structure, the sliding connection structure comprises a sliding block 13 and a sliding groove 14 which are matched for use, and the sliding block 13 or the sliding groove 14 is provided with a locking screw hole for a locking bolt of the locking sliding block 13 to pass through; that is, when the position of the clamping portion is adjusted, the locking work is performed by the locking bolt or other similar structure.
In order to realize the lifting work of the transverse storage rack 3, the transverse storage rack 3 is connected with the vertical bracket 2 through the vertical lifting mechanism 15, the vertical lifting mechanism 15 comprises a lifting driving motor 16, a rotating screw rod 17 and a screw rod nut 18 which are sequentially connected, the screw rod nut 18 is fixedly connected with the transverse storage rack 3, and the rotating screw rod is rotatably arranged on the vertical bracket 2.
In order to ensure the motion stability of the transverse storage rack 3, the number of the vertical brackets 2 is at least 2, the transverse storage rack 3 is connected with each vertical bracket 2 through a corresponding vertical lifting mechanism 15, and the adjacent vertical lifting mechanisms 15 are connected through synchronous belts; meanwhile, in order to ensure synchronism, the adjacent vertical lifting mechanisms 15 are connected through a synchronous belt, and the specific structure is shown in fig. 2.
In the invention, a proximity switch 19 is arranged on the vertical bracket 2, and the proximity switch 19 is an existing component and can be electrically connected with an electric cabinet; the downward movement of the transverse storage rack 3 can be effectively controlled, and the problem that the caliper is damaged by collision due to overlarge downward movement length is avoided.
In the invention, the worktable 1 is also provided with a gauge block adjusting assembly 20, namely, the worktable 1 is provided with the gauge block adjusting assembly 20, so that the gauge block is convenient to mount and fine adjust, and the calibration efficiency is improved; the gauge block adjusting assembly 20 comprises a gauge block table 21 with one end hinged to the workbench 1 and a cam mechanism rotatably arranged on the workbench 1, the cam mechanism comprises a rotating rod 22, a thread block 23, a rocker arm 24 and a rotating shaft 25 which are sequentially connected, the rotating rod 22 is rotatably connected with the workbench 1, the rotating rod 22 is in threaded connection with the thread block 23, the thread block 23 is hinged to the rocker arm 24, and a cam 26 positioned below the other end of the gauge block table 21 is arranged on the rotating shaft 25; the working process is for rotating dwang 22, and dwang 22 idles for workstation 1 (the principle of idle running is prior art, if set up an annular cavity and carry out axial displacement spacing or installation axial spacing key to dwang 22), does not produce ascending displacement promptly, drives screw block 23 at this in-process and reciprocates, and then drives rocking arm 24 and carry out the luffing motion, finally drives the cam 26 rotation on the pivot 25, realizes the removal to gage block platform 21.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (10)
1. The utility model provides a general slide caliper rule calibrating device, a serial communication port, includes the workstation, be provided with vernier caliper mechanism on the workstation, vernier caliper mechanism include vertical bracket and with vertical bracket sliding connection just follows the horizontal storage rack of vertical lift, sliding connection has two at least clamping parts that are used for fixed slide caliper rule on the horizontal storage rack, just the clamping part pass through locking mechanism with horizontal storage rack locking is fixed and is connected.
2. The universal caliper calibration device of claim 1 wherein the grip portion comprises a fixed grip portion and/or an adjustable grip portion; the fixed clamping part comprises a fixed support rod connecting block which is in sliding connection with the transverse storage rack and a fixed caliper support rod which is arranged on the fixed support rod connecting block; the adjustable clamping part comprises an adjustable supporting rod connecting block which is connected with the transverse storage rack in a sliding mode and a fine adjustment driving part which is arranged on the adjustable supporting rod connecting block, and the lower portion of the fine adjustment driving part is connected with the adjustable caliper supporting rod.
3. The universal caliper calibration device of claim 2 wherein said fixed gripping portion is located at an end of said transverse storage rack and said adjustable gripping portion is located at a middle of said transverse storage rack when said fixed gripping portion and said adjustable gripping portion are simultaneously disposed on said transverse storage rack.
4. The universal caliper calibration device according to claim 2, wherein the fine adjustment driving part comprises a fine adjustment rod and an adjustment rod which are sequentially connected from top to bottom, the fine adjustment rod is in threaded connection with the adjustable support rod connecting block, and the lower end of the adjustment rod is connected with the adjustable caliper support rod.
5. The universal caliper calibration device according to claim 2, wherein a limit screw is disposed on the adjustable clamping portion, a slotted hole is disposed at a lower end of the adjustable support rod connecting block, one end of the limit screw is disposed at a lower end of the fine adjustment driving portion, and the other end of the limit screw is at least located in the slotted hole.
6. The universal caliper calibrating device according to claim 1, wherein the transverse storage rack is connected to the clamping portion by a sliding connection structure, the sliding connection structure includes a sliding block and a sliding groove, the sliding block or the sliding groove is provided with a locking screw hole for allowing a locking bolt for locking the sliding block to pass through.
7. The universal caliper calibration device according to claim 1, wherein the horizontal storage rack is connected to the vertical bracket through a vertical lifting mechanism, the vertical lifting mechanism comprises a lifting driving motor, a rotating lead screw and a lead screw nut which are connected in sequence, the lead screw nut is fixedly connected to the horizontal storage rack, and the rotating lead screw is rotatably disposed on the vertical bracket.
8. The universal caliper calibration device of claim 7 wherein said vertical brackets are at least 2, said transverse storage rack is connected to each of said vertical brackets by a corresponding said vertical lift mechanism, and adjacent said vertical lift mechanisms are connected by a timing belt.
9. The universal caliper calibration device of claim 1 wherein a proximity switch is provided on said vertical bracket.
10. The universal caliper calibrating device according to any one of claims 1 to 9, wherein a gauge block adjusting assembly is further disposed on the workbench, the gauge block adjusting assembly comprises a gauge block table with one end hinged to the workbench and a cam mechanism rotatably disposed on the workbench, the cam mechanism comprises a rotating rod, a threaded block, a rocker arm and a rotating shaft which are sequentially connected, the rotating rod is rotatably connected with the workbench, the rotating rod is in threaded connection with the threaded block, the threaded block is hinged to the rocker arm, and a cam located below the other end of the gauge block table is disposed on the rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011029257.1A CN112254601A (en) | 2020-09-27 | 2020-09-27 | Universal caliper calibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011029257.1A CN112254601A (en) | 2020-09-27 | 2020-09-27 | Universal caliper calibrating device |
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| CN112254601A true CN112254601A (en) | 2021-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011029257.1A Pending CN112254601A (en) | 2020-09-27 | 2020-09-27 | Universal caliper calibrating device |
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| CN (1) | CN112254601A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113137899A (en) * | 2021-03-23 | 2021-07-20 | 中铁十六局集团有限公司 | Bridge embedded part positioning caliper |
-
2020
- 2020-09-27 CN CN202011029257.1A patent/CN112254601A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113137899A (en) * | 2021-03-23 | 2021-07-20 | 中铁十六局集团有限公司 | Bridge embedded part positioning caliper |
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Address after: 266000 second floor, building 4, No.19 Hechuan Road, Licang District, Qingdao City, Shandong Province Applicant after: Shandong aoshengtai Testing Technology Co.,Ltd. Address before: 266199 building 4, No.19 Hechuan Road, Licang District, Qingdao City, Shandong Province Applicant before: SHANDONG ZHONGJIANGAOKE TESTING TECHNOLOGY CO.,LTD. |
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Effective date of registration: 20230427 Address after: 266000 Building G, Industrial Park Road South, both sides of Yingjiu Road, Jiaodong Street Office, Jiaozhou City, Qingdao City, Shandong Province Applicant after: Aiyouxin (Shandong) Measurement and Testing Co.,Ltd. Address before: 266000 second floor, building 4, No.19 Hechuan Road, Licang District, Qingdao City, Shandong Province Applicant before: Shandong aoshengtai Testing Technology Co.,Ltd. |