CN113203344A

CN113203344A - Precision-adjustable metering device for irregular surface or contour

Info

Publication number: CN113203344A
Application number: CN202110754725.XA
Authority: CN
Inventors: 王婉真
Original assignee: Chengdu Chenmai Technology Co ltd
Current assignee: Chengdu Chenmai Technology Co ltd
Priority date: 2021-07-05
Filing date: 2021-07-05
Publication date: 2021-08-03
Anticipated expiration: 2041-07-05
Also published as: CN113203344B

Abstract

The application provides a metering device with an adjustable-precision irregular surface or profile, which comprises a shell and an electric heating wire, wherein a clamping component is attached to the inside of the shell, an adjusting component is arranged above the shell, and a transmission component is arranged at the front end of the adjusting component; the rear end of the shell is provided with a calibration assembly, the front end of the calibration assembly is provided with a pressing assembly, and the front end of the pressing assembly is connected with a contour fitting assembly; the shell comprises a top shell, a bottom shell, a fixed shaft, a movable plate, a clamping groove, an inner groove and a limiting plate; a bottom shell is movably mounted below the top shell, and fixing shafts are fixedly connected to the left side and the right side of the top shell and the left side of the bottom shell. This application improves on current basis, through adjusting part, drive assembly, the linkage structure between pressing the subassembly and the contour fitting subassembly that sets up for the device can adapt to the object of different sizes and carry out more comprehensive contour sampling, can in time show the whole shape of contour after the sample moreover.

Description

Precision-adjustable metering device for irregular surface or contour

Technical Field

The invention relates to the field of contour sampling, in particular to a metering device for an irregular surface or contour with adjustable precision.

Background

Aiming at the Chinese invention patent application number: CN200610032807.9 proposes a surface profile detection apparatus and method, which includes the following steps: providing a first sensor, a second sensor and a numerical control system; providing a workpiece to be detected, wherein the workpiece to be detected is provided with a first detection surface and a second detection surface; aligning the first sensor to the first detection surface so that an included angle formed by an extension line of a central axis of the first sensor along the detection direction and a tangent plane of the first detection surface is larger than 45 degrees, and aligning the second sensor to the second detection surface so that an included angle formed by an extension line of a central axis of the second sensor along the detection direction and a tangent plane of the second detection surface is larger than 45 degrees; respectively setting detection paths of a first sensor and a second sensor through a numerical control system; detecting a first detection surface with a first sensor, a second detection surface with a second sensor; the numerical control system processes detection signals from the first sensor and the second sensor to obtain a result. The surface contour detection method has the advantage of easily detecting the workpiece with a large surface inclination angle.

However, in the actual use process of the device, the device can only detect the outline of one line on one surface of an object, the whole outline cannot be sampled, the application range is low, in the use process, the shape of the outline cannot be visually displayed on a real object, the adjustability is low, the detection precision and the detection range of the device cannot be adjusted according to the size of the object, the use mode is single, and the error of the existing outline sampling device is large during sampling, so that the device is improved, and the metering device with the adjustable-precision irregular surface or outline is provided.

Disclosure of Invention

The invention aims to: the device aims at solving the problems that the existing profile sampling device cannot simultaneously sample a plurality of positions of an object, has poor using effect, and cannot adjust the detection precision and the detection range of the device according to the size of the object in the using process.

In order to achieve the above purpose, the invention provides the following technical scheme:

an irregular surface or profile metering device with adjustable precision to ameliorate the above problems.

The present application is specifically such that:

the electric heating wire clamping device comprises a shell and an electric heating wire, wherein a clamping assembly is attached to the inside of the shell, an adjusting assembly is arranged above the shell, and a transmission assembly is arranged at the front end of the adjusting assembly; the rear end of shell is provided with calibration subassembly, and calibration subassembly's front end is provided with presses the subassembly, presses the front end of subassembly and is connected with the contour fitting subassembly.

As the preferable technical scheme of the application, the shell comprises a top shell, a bottom shell, a fixed shaft, a movable plate, a clamping groove, an inner groove and a limiting plate; the top shell is movably mounted below the bottom shell, a fixed shaft is fixedly connected to the left side and the right side of the top shell and the bottom shell, a movable plate is arranged on the outer side of the fixed shaft in a laminating mode, a clamping groove used for moving the fixed shaft is formed in the middle of the movable plate, inner grooves are formed in the top shell and the bottom shell, a limiting plate is arranged on the inner portion of each inner groove in the laminating mode, the top shell and the bottom shell are symmetrically distributed on the upper side and the lower side of the limiting plate, and the top shell is of a sliding structure through the inner grooves, the limiting plate and the bottom shell.

As the preferable technical scheme of the application, the clamping assembly comprises a clamping plate, a rubber mat and a groove; the inside left and right sides of grip block all pastes and is provided with the cushion, and the recess that is used for placing the cushion is offered to the inside of grip block, the cushion has preceding width to the back and scales up, the width of grip block is the same with the width of top shell and the width of drain pan all, and the grip block links to each other with adjusting part's bottom, and electric heating wire is all installed with the rear side of drain pan bottom to the rear side of grip block.

As the preferable technical scheme, the adjusting component comprises a disc, a ratchet disc, a first belt pulley, a crank, a screw, a pawl, a first spring and a rotating shaft; the disc is characterized in that a first belt pulley is fixedly arranged on the surface of the disc, a crank is welded at the top end of the first belt pulley, a ratchet disc is rotatably arranged on the surface of the disc, a screw rod is welded below the disc, a rotating shaft is welded at the bottom end of the screw rod and is positioned in the groove, the upper surface and the lower surface of the rotating shaft are mutually attached to the inner wall of the groove, a pawl is rotatably connected inside the disc, and a first spring is fixedly connected between the front end of the pawl and the disc; the adjusting assembly is connected with the calibration assembly through a first traction rope.

As the preferable technical scheme, the transmission assembly comprises a transmission belt, a second belt pulley, a first bevel gear, a second bevel gear, a transmission rod, a convex block, a connecting plate, a fixing ring, a rotating plate, a sliding rod, an arc-shaped groove and a rotating block; a second belt pulley is mounted on the front side of the transmission belt in a meshed mode, a first bevel gear is welded on the surface of the second belt pulley, a second bevel gear is mounted at the front end of the first bevel gear in a meshed mode, a transmission rod is fixedly arranged at the rear end of the second bevel gear, a bump is fixedly connected to the surface of the transmission rod, a connecting plate is rotatably connected to the outer sides of the second bevel gear and the transmission rod, a fixing ring is welded at the front end of the transmission rod, a rotating plate is arranged on the outer side of the fixing ring in a fitted mode, and a sliding rod is welded at the bottom of the connecting plate; the surface of the top shell is provided with an arc-shaped groove used for sliding the sliding rod, the circle center of the arc-shaped groove is located on the central axis of the screw rod, and the front end of the rotating plate is rotatably provided with a rotating block.

As the preferred technical scheme of this application, be connected for the meshing between drive belt's the rear side and the first belt pulley, the connected mode between slide bar and the second belt pulley is the bearing connection, the second belt pulley passes through to constitute rotating-structure between drive belt and first belt pulley and the slide bar.

As the preferable technical scheme of the application, the calibration assembly comprises a push rod, a through hole, an elastic rope and a side groove; the surface of the push rod is fixedly connected with an elastic rope, the surface of the push rod is provided with a through hole for the elastic rope on the lower layer of the push rod to pass through, the front end of the elastic rope is connected with a first traction rope, and the left side and the right side of the push rod are both provided with side grooves; the push rod is the form of piling up and distributes in the inside of shell, and the initiating position homogeneous phase of opening rear end on the push rod is the same, and opening front end termination point leans on the back by upper strata to lower floor gradually on the push rod.

As a preferred technical scheme of the application, the connection mode between the calibration component and the pressing component is sliding connection, and the pressing component comprises an outer bushing, a second spring, a connecting rod, a third spring, an inner connecting rod, a connecting shaft, a cutting knife, a connector and an overlapping block; a second spring is fixedly arranged inside the rear side of the outer bushing, the front end of the second spring is fixedly connected with a connecting rod, the front end of the connecting rod is fixedly connected with a third spring, the front end of the third spring is fixedly provided with an inner connecting rod, the inner connecting rod and the connecting rod are in sliding connection, the second spring and the third spring are both made of memory alloy materials, the inner connecting rod is rotatably connected with a connecting shaft inside, a cutting knife is fixedly arranged in the middle of the connecting shaft, the front end of the connecting shaft is fixedly provided with a connecting head, and the front end surface of the connecting head is mutually attached to the tail end of the contour attaching assembly; the tail end of the outer bushing is fixedly provided with a lapping block, and the outer wall of the lapping block is mutually attached to the inner wall of the side groove; the pressing assembly is connected with the calibration assembly through a second traction rope.

As the preferable technical scheme, the contour fitting assembly comprises an inner shaft, a damping cushion, a connecting sleeve and a fitting plate; the inner shaft is fixedly arranged at the front end of the outer bushing, a damping cushion is fixedly arranged in the middle of the inner shaft, a connecting sleeve is tightly attached to the outer side of the damping cushion, an attaching plate is fixedly arranged at the front end of the connecting sleeve, and a straight section is arranged at the tail end of the connecting sleeve; the connecting shaft, the cutting knife and the connecting head form a rotating structure between the straight section of the rear side of the connecting sleeve and the inner connecting rod, and the connecting sleeve forms a rotating structure between the inner shaft and the outer bushing.

According to the preferable technical scheme, the second traction rope penetrates through the inner connecting rod and the joint rod, the inner connecting rod and the outer bushing form a sliding structure, and the surface of the outer bushing is provided with an adjusting groove for the connecting shaft to move and rotate.

Compared with the prior art, the invention has the beneficial effects that:

in the scheme of the application:

1. the device has the advantages that the effect of adjusting the detection precision during sampling of the device is realized through the top shell, the bottom shell and the adjusting assembly, the number of the pressing assemblies is adjusted by adjusting the distance between the top shell and the bottom shell, so that the device can perform contour sampling and detection on objects with large sizes, and the problem that the sampling precision of the objects with different sizes cannot be adjusted in a targeted manner conveniently in the prior art is solved;

2. the effect of reducing sampling errors is achieved through the arranged calibration assembly, the push rod is pulled to move forwards through the elastic rope and the traction rope, so that the rotating structure at the front end is enabled to tightly press the surface of an object, the accuracy of contour sampling is guaranteed, and the problem of large errors in contour sampling in the prior art is solved;

3. through the arranged adjusting assembly, the effects of automatically compressing the pressing assembly and automatically pushing the calibrating assembly while automatically sampling are realized, through a linkage structure on the device, the device can drive the calibrating assembly to work while adjusting the whole size of the device, sampling is carried out while compressing each pressing assembly, meanwhile, a traction mechanism is driven by the rotation of a screw rod to keep compressing the surface profile of an object, and a rotating block can be driven by a belt transmission structure to knock a sampling plate, so that a pattern consistent with the surface profile of the object is automatically formed, and the problems that the use mode in the prior art is single, the functionality is poor, the surface of the object cannot be automatically compressed and the objects with different sizes cannot be automatically adapted in the sampling process are solved;

4. through the contour fitting assembly who sets up, the effect of the automatic in-process of sampling showing the object contour on the face of sampling board has been realized, the device is at the in-process that uses, the fitting plate and the object surface laminating of utilizing the device front end, carve the cutting knife again with the contour angle on object surface through the connecting axle on, then strike the sampling board through the turning block, through sampling board striking cutting knife, make the device can with the image automatic display of sampling at the face of sampling board, the relatively poor problem of observable journey degree among the prior art has been solved.

5. Through the pressing assembly that the form that piles up that sets up distributes, realized carrying out the effect of sampling completely to the surface of object, solved and to have can only carry out the problem of the sampling on a certain line to the surface of object among the prior art, have the more comprehensive advantage of sampling.

Drawings

FIG. 1 is a schematic diagram of the overall construction of a precision-tunable irregular surface or profile metrology device provided herein;

FIG. 2 is a schematic view of the structure at A in FIG. 1 of the precision tunable irregular surface or profile metrology device provided herein;

FIG. 3 is a schematic view of a disk and ratchet disk connection of the precision adjustable irregular surface or profile metering device provided herein;

FIG. 4 is a front cross-sectional structural schematic view of the housing of the precision adjustable irregular surface or profile metering device provided herein;

FIG. 5 is a schematic view of a clamping assembly and electrical heater wire connection configuration of the precision adjustable irregular surface or profile metering device provided herein;

FIG. 6 is a schematic view of a housing and clamping assembly connection configuration of the precision adjustable irregular surface or profile metering device provided herein;

FIG. 7 is a schematic view of the calibration assembly and pressing assembly connection configuration of the precision adjustable irregular surface or profile metering device provided herein;

FIG. 8 is a schematic view of the structure at B in FIG. 7 of the precision adjustable irregular surface or profile metrology apparatus provided herein;

FIG. 9 is a schematic view of the structure at C of FIG. 7 of the precision adjustable irregular surface or profile metrology apparatus provided herein;

FIG. 10 is a top cross-sectional schematic view of a pressing assembly of the precision adjustable irregular surface or profile metrology device provided herein.

The following are marked in the figure:

1. a housing; 101. a top shell; 102. a bottom case; 103. a fixed shaft; 104. a movable plate; 105. a card slot; 106. an inner tank; 107. a limiting plate;

2. a clamping assembly; 201. a clamping plate; 202. a rubber pad; 203. a groove;

3. an adjustment assembly; 301. a disc; 302. a ratchet plate; 303. a first pulley; 304. a crank; 305. a screw; 306. a pawl; 307. a first spring; 308. a rotating shaft;

4. a transmission assembly; 401. a drive belt; 402. a second pulley; 403. a first bevel gear; 404. a second bevel gear; 405. a transmission rod; 406. a bump; 407. a connecting plate; 408. a fixing ring; 409. rotating the plate; 410. a slide bar; 411. an arc-shaped slot; 412. rotating the block;

5. calibrating the component; 501. a push rod; 502. a port; 503. a bungee cord; 504. a side groove;

6. a first pull cord;

7. an electric heating wire;

8. a pressing assembly; 801. an outer liner; 802. a second spring; 803. a connecting rod; 804. a third spring; 805. an inner connecting rod; 806. a connecting shaft; 807. a cutting knife; 808. a connector; 809. a lapping block;

9. a contour conforming assembly; 901. an inner shaft; 902. a damping pad; 903. connecting sleeves; 904. attaching a plate;

10. a second pull cord;

11. and (4) adjusting the groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments.

Thus, the following detailed description of the embodiments of the invention is not intended to limit the scope of the invention as claimed, but is merely representative of some embodiments of the invention. 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.

It should be noted that the embodiments of the present invention and the features and technical solutions thereof may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", and the like refer to orientations or positional relationships based on those shown in the drawings, or orientations or positional relationships that are conventionally arranged when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and such terms are used for convenience of description and simplification of the description, and do not refer to or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

As shown in fig. 1 and fig. 6, the present embodiment provides a precision-adjustable irregular surface or contour metering device, which includes a housing 1 and an electric heating wire 7, wherein a clamping assembly 2 is attached to the inside of the housing 1, an adjusting assembly 3 is disposed above the housing 1, and a transmission assembly 4 is disposed at the front end of the adjusting assembly 3; the rear end of shell 1 is provided with calibration subassembly 5, and the front end of calibration subassembly 5 is provided with presses down subassembly 8, and the front end of pressing down subassembly 8 is connected with contour fitting assembly 9, and the device's adjusting part 3, transmission assembly 4, calibration subassembly 5 and press and interact between the subassembly 8 realize synchronous linkage effect, have strengthened the functional of device when promoting the sampling precision.

As shown in fig. 1, 4 and 6, as a preferred embodiment, in addition to the above manner, the housing 1 further includes a top case 101, a bottom case 102, a fixed shaft 103, a movable plate 104, a locking groove 105, an inner groove 106 and a limiting plate 107; the bottom shell 102 is movably mounted below the top shell 101, the left side and the right side of the top shell 101 and the bottom shell 102 are fixedly connected with the fixed shaft 103, the movable plate 104 is attached to the outer side of the fixed shaft 103, the middle of the movable plate 104 is provided with a clamping groove 105 used for moving the fixed shaft 103, the inner grooves 106 are formed in the top shell 101 and the bottom shell 102, the limiting plate 107 is attached to the inner portion of the inner groove 106, it is guaranteed that the top shell 101 and the bottom shell 102 can vertically move up and down, the top shell 101 and the bottom shell 102 are symmetrically distributed on the upper side and the lower side of the limiting plate 107, the top shell 101 forms a sliding structure with the bottom shell 102 through the inner groove 106 and the limiting plate 107, follow-up adjustment of the number of the calibration assemblies 5 and the number of the pressing assemblies 8 in the device is facilitated, adaptive adjustment is carried out on objects of different sizes, and the sampling precision of the device is adjusted according to the objects of different sizes.

As shown in fig. 1, 4, 5 and 6, as a preferred embodiment, on the basis of the above manner, further, the clamping assembly 2 comprises a clamping plate 201, an adhesive pad 202 and a groove 203; all paste and be provided with cushion 202 in the inside left and right sides of grip block 201, the inside recess 203 that is used for placing cushion 202 is offered to grip block 201, utilize inside cushion 202 of recess 203 to fix the sampling board, the sampling board can use hardboard or sheet material, cushion 202 has preceding back width to increase progressively, make the device can adapt to not unidimensional sampling board and carry out the fixing work, the width of grip block 201 is the same with the width of top shell 101 and the width of drain pan 102, grip block 201 links to each other with adjusting part 3's bottom, electric heating wire 7 is all installed with the rear side of drain pan 102 bottom to the rear side of grip block 201, it resets to the memory alloy spring subsequently to utilize electric heating wire 7, the convenience of device use has been promoted.

As shown in fig. 1, 3, 4, 5 and 6, as a preferred embodiment, on the basis of the above manner, further, the adjusting assembly 3 comprises a circular disc 301, a ratchet disc 302, a first pulley 303, a crank 304, a screw 305, a pawl 306, a first spring 307 and a rotating shaft 308; a first belt pulley 303 is fixedly arranged on the surface of the disc 301, a crank 304 is welded at the top end of the first belt pulley 303, a ratchet disc 302 is rotatably arranged on the surface of the disc 301, a screw 305 is welded below the disc 301, a rotating shaft 308 is welded at the bottom end of the screw 305, the rotating shaft 308 is positioned in the groove 203, the upper surface and the lower surface of the rotating shaft 308 are mutually attached to the inner wall of the groove 203, a pawl 306 is rotatably connected inside the disc 301, a first spring 307 is fixedly connected between the front end of the pawl 306 and the disc 301, and a ratchet mechanism is utilized to ensure that the device cannot break a traction assembly when the push rod 501 is pulled to move forwards and can maintain a certain pulling force; the adjusting component 3 is connected with the calibrating component 5 through a first traction rope 6, and the ratchet mechanism is connected with a push rod 501 used for improving sampling precision through the first traction rope 6, so that subsequent sampling error reduction is facilitated.

As shown in fig. 1, 4 and 6, as a preferred embodiment, on the basis of the above manner, further, the transmission assembly 4 includes a transmission belt 401, a second pulley 402, a first bevel gear 403, a second bevel gear 404, a transmission rod 405, a projection 406, a connecting plate 407, a fixed ring 408, a rotating plate 409, a sliding rod 410, an arc-shaped slot 411 and a rotating block 412; the transmission assembly 4 can fully utilize the rotation of the screw 305 to drive the rotating plate 409, the front side of the transmission belt 401 is engaged with and provided with a second belt pulley 402, the surface of the second belt pulley 402 is welded with a first bevel gear 403, the front end of the first bevel gear 403 is engaged with and provided with a second bevel gear 404, the rear end of the second bevel gear 404 is fixedly provided with a transmission rod 405, the transmission rod 405 can rotate under the action of the belt pulley and the bevel gear, the surface of the transmission rod 405 is fixedly connected with a lug 406, the lug 406 enables the rotating plate 409 to move straightly, the outer sides of the second bevel gear 404 and the transmission rod 405 are both rotatably connected with a connecting plate 407, the front end of the transmission rod 405 is welded with a fixing ring 408, the outer side of the fixing ring 408 is provided with the rotating plate 409 in an attaching manner, the fixing ring 408 can prevent the rotating plate 409 from being separated from the transmission rod 405, and the bottom of the connecting plate 407 is welded with a sliding rod 410; the gliding arc wall 411 that is used for slide bar 410 is seted up on the surface of top shell 101, the centre of a circle of arc wall 411 is located the axis of screw rod 305, arc wall 411 is used for adjusting commentaries on classics board 409 pivoted position, the turning block 412 is installed in the front end rotation of commentaries on classics board 409, the turning block 412 of commentaries on classics board 409 front end, reduce gliding resistance when making turning block 412 can strike the sampling board, and can adjust the position of striking through lug 406 on arc wall 411 and the transfer line 405, guarantee the effect of sampling.

As shown in fig. 1 and fig. 6, as a preferred embodiment, in addition to the above-mentioned manner, the rear side of the transmission belt 401 is connected with the first pulley 303 in a meshing manner, the connection manner between the slide bar 410 and the second pulley 402 is a bearing connection, and the second pulley 402 forms a rotating structure through the transmission belt 401 and the first pulley 303 and the slide bar 410, so as to achieve the purpose of synchronous rotation, improve the linkage effect of the device, save the driving source, and reduce the use cost of the device.

As shown in fig. 1, 6, 7, 8 and 10, in addition to the above-mentioned manner, the calibration member 5 further includes a push rod 501, an opening 502, an elastic cord 503, and a side groove 504; the surface of the push rod 501 is fixedly connected with an elastic rope 503, the surface of the push rod 501 is provided with a through hole 502 for the elastic rope 503 on the lower push rod 501 to pass through, the front end of the elastic rope 503 is connected with a first traction rope 6, and the left side and the right side of the push rod 501 are both provided with side grooves 504, so that the push rod 501 can slide back and forth straightly; push rod 501 is the form of piling up and distributes in the inside of shell 1 for the device can fully sample this surface when the sampling, the initiating position homogeneous phase of opening 502 rear end on push rod 501, opening 502 front end terminating position leans on the back to the lower floor by the upper strata gradually on push rod 501, utilize the distribution state of each layer opening 502, each layer push rod 501 on the assurance device all can be under drive mechanism's pulling force effect, all produce thrust to the front end of device, guarantee to the effect that compresses tightly on object surface.

As shown in fig. 1, 2, 6, 7, 8, 9 and 10, as a preferred embodiment, on the basis of the above manner, further, the connection manner between the calibration assembly 5 and the pressing assembly 8 is a sliding connection, and the pressing assembly 8 includes an outer bushing 801, a second spring 802, an engaging rod 803, a third spring 804, an inner connecting rod 805, a connecting shaft 806, a cutting knife 807, a connecting head 808 and an overlapping block 809; a second spring 802 is fixedly arranged in the rear side of the outer bushing 801, a joint rod 803 is fixedly connected to the front end of the second spring 802, a third spring 804 is fixedly connected to the front end of the joint rod 803, an inner joint rod 805 is fixedly arranged at the front end of the third spring 804, the inner joint rod 805 is in sliding connection with the joint rod 803, the second spring 802 and the third spring 804 are both made of memory alloy materials, after sampling is completed, the second spring 802 and the third spring 804 automatically retract under the action of the memory alloy materials by electrifying the electric heating wire 7, sampling errors caused by the fact that the second spring 802 and the third spring 804 abut against the contour fitting assembly 9 are avoided, a connecting shaft 806 is rotatably connected to the inner part of the inner joint rod 805, a cutting knife 807 is fixedly arranged in the middle of the connecting shaft 806, a connecting head 808 is fixedly arranged at the front end of the connecting shaft 806, and the front end surface of the connecting head 808 is mutually fitted with the tail end of the contour fitting assembly 9, the straight section of the rear end of the contour fitting assembly 9 corresponds to the straight section of the front end of the connector 808; the tail end of the outer bushing 801 is fixedly provided with a lapping block 809, and the outer wall of the lapping block 809 is mutually attached to the inner wall of the side groove 504; the pressing component 8 is connected with the calibration component 5 through a second traction rope 10, and the linkage effect of the device is improved.

As shown in fig. 1, 2, 7, 8, 9 and 10, as a preferred embodiment, on the basis of the above manner, further, the contour joint assembly 9 includes an inner shaft 901, a damping pad 902, a connecting sleeve 903 and a joint plate 904; an inner shaft 901 is fixedly arranged at the front end of an outer bushing 801, a damping pad 902 is fixedly arranged in the middle of the inner shaft 901, a connecting sleeve 903 is tightly attached to the outer side of the damping pad 902, the damping pad 902 can keep the position of the connecting sleeve 903 still after the connecting sleeve 903 rotates, an attaching plate 904 is fixedly arranged at the front end of the connecting sleeve 903, and a straight section is arranged at the tail end of the connecting sleeve 903; the connecting shaft 806, the cutting knife 807 and the connecting head 808 form a rotating structure with the inner connecting rod 805 through a straight section on the rear side of the connecting sleeve 903, and the connecting sleeve 903 forms a rotating structure with the outer bushing 801 through the inner shaft 901, so that the angle of the cutting knife 807 is the same as that of the attaching plate 904.

As shown in fig. 6, 7, 8 and 9, as a preferred embodiment, based on the above manner, further, the second traction rope 10 penetrates through the inner connecting rod 805 and the joint rod 803, the inner connecting rod 805 forms a sliding structure with the outer bushing 801 through the joint rod 803, the surface of the outer bushing 801 is provided with an adjusting groove 11 for the connecting shaft 806 to move and rotate, and the adjusting groove 11 enables the cutting knife 807 to protrude outside the device for displaying the surface contour shape of the object in real time.

In particular, the precision-adjustable irregular surface or profile metering device is used for: as shown in fig. 1, 4, 5 and 6, firstly, the calibration component 5 and the pressing component 8 inside the device are fixed by the housing 1, the position of the clamping component 2 inside the housing 1 is adjusted according to the size of the object to be detected, so that the clamping component 2 can press the pressing component 8 tightly, when the size of the object to be sampled is large, the number of mounting lines of the pressing component 8 can be increased, so that the device can adjust the accuracy of sampling the contour of the object, after the number of the mounting lines of the pressing component 8 is adjusted, the pressing component 8 is pressed tightly, the front end of the pressing component 8 is firstly attached to the surface of the object to be sampled, the disc 301 and the screw 305 are driven to rotate by rotating the crank 304, the rotation of the screw 305 can drive the rotating shaft 308 to rotate inside the clamping component 2, and as the screw 305 is in threaded connection with the top shell 101, the screw 305 is rotatably connected with the clamping plate 201, the clamping plate 201 is attached to the inner wall of the top shell 101, therefore, the clamping component 2 can be driven by the rotation of the screw 305 to move vertically and vertically, the pressing component 8 is pressed by the lower part of the clamping plate 201, and finally the fixing of the pressing component 8 is completed, during the process that the holding member 2 pushes the pressing member 8, the top case 101 and the bottom case 102 move away from each other, the limit plate 107 slides inside the inner groove 106, the fixed shaft 103 slides inside the movable plate 104 through the catching groove 105, thereby ensuring that the top case 101 and the bottom case 102 can vertically move up and down, and further ensuring the pressing effect of the top case 101 and the bottom case 102, and at the same time, the groove 203 of the device is used for placing sampling plates, the sampling plates can be made of hard boards, and the clamping assembly 2 can be used for fixing the sampling plates with different sizes through the rubber mat 202 with the trapezoid structure;

as shown in fig. 1, 3 and 6, the first traction rope 6 is also driven to wind around the outer side of the ratchet disc 302 during the rotation of the disc 301, because the ratchet 306 and the first spring 307 form a ratchet structure between the disc 301 and the ratchet disc 302, during the rotation of the disc 301, the ratchet disc 302 will always pull the first traction rope 6, so as to keep the first traction rope 6 always having a certain pulling force, and will not break the first traction rope 6, when the pulling force is too large, the first spring 307 is compressed, the ratchet disc 302 idles on the disc 301, the first traction rope 6 pulls the push rods 501 of each layer through the elastic rope 503, it can be seen from the distribution condition of the through holes 502 on the push rods 501 in combination with fig. 1 and 6, it can be known that the starting position of the rear end of the through holes 502 on the push rods 501 is the same, the ending position of the front end of the through holes 502 on the push rods 501 gradually comes back from the upper layer to the lower layer, so that the first traction rope 6 can not only pull the push rods 501 on the top layer to move towards the corresponding pressing assemblies 8, the push rods 501 at all positions can be pulled to move towards the corresponding pressing assemblies 8 at the same time;

as shown in fig. 1, 6, 7, 8, 9 and 10, during the forward movement of the calibration assembly 5, the overlapping block 809 and the side groove 504 are used to limit the position of the push rod 501, so as to ensure that the push rod 501 can move straight and forward, during the movement of the push rod 501, the connecting rod 803 can be pushed to move forward, at this time, the second spring 802 is stretched, the third spring 804 is compressed, the inner connecting rod 805 is pushed to move forward, during the forward movement of the inner connecting rod 805, the contour attachment assembly 9 can also be pushed to move forward, because the contour attachment assembly 9 is integrally rotatably mounted on the pressing assembly 8, the push rod 501 can push the pressing assembly 8 to move forward as a whole, the calibration assembly 5 is provided to enable the front end of the pressing assembly 8 to fit the recess of the surface of the object as much as possible by the pulling force of the calibration assembly 5 when the apparatus detects the contour of the surface of the object with large undulation and deep recess, when the front end of the contour joint assembly 9 joints the surface of an object, the joint plate 904 can rotate due to the contour shape of the surface of the object, the connection sleeve 903 rotates at the front end of the inner shaft 901 through the inner shaft 901 and the damping pad 902, the damping pad 902 is used for keeping the joint plate 904 from rotating easily after rotating, the straight section at the rear side of the connecting sleeve 903 ensures that the straight section at the front end of the connecting head 808 can be attached to the connecting sleeve, so that the overall inclination angle of the cutting knife 807 on the connecting shaft 806 is the same as that of the attaching plate 904, so that the profile formed by the cutting blade 807 on the outer bushing 801 is as close as possible to the surface profile of the object, it should be noted that, in the actual use process of the device, after sampling, the error generated by the distance between the inner shaft 901 and the cutting knife 807 needs to be considered, and the proportion of the actual contour of an object is slightly larger than that of the contour formed by combining the cutting knives 807 at each position;

as shown in fig. 1, 2, 6, 7, 8, 9 and 10, the device drives a transmission belt 401 to rotate on a first belt pulley 303 and a second belt pulley 402 by the rotation of the first belt pulley 303, so as to drive the second belt pulley 402, a first bevel gear 403 and a second bevel gear 404 to synchronously rotate, and further drive a transmission rod 405 to rotate, and drive a rotating plate 409 to rotate by a bump 406, so that the screw 305 strikes a sampling plate installed inside the groove 203 by the rotating block 412 in the rotating process, the arc-shaped groove 411 can adjust the position of the rotating block 412 by matching with a sliding rod 410 installed in the sliding groove, so as to adjust the position of the rotating block 412 when the rotating block 412 strikes against a cutting knife 807, and can achieve a more accurate sampling effect by matching with the sliding of the rotating plate 409 on the transmission rod 405, the sampling plate strikes against the cutting knife 807, so that the surface of the sampling plate forms a contour corresponding to the surface contour of an object, after the sampling operation of the contour is completed, as shown in fig. 4 and fig. 6, the device heats the second spring 802 and the third spring 804 inside the outer bushing 801 by the electric heating wire 7, because the second spring 802 and the third spring 804 are made of memory alloy, the second spring 802 and the third spring 804 automatically reset the inner extension rod 805, the connecting rod 803 pushes the push rod 501 backwards, so that the front end of the connecting head 808 no longer abuts against the contour fitting assembly 9, the angle of the fitting plate 904 can be kept unchanged, the sampling operation of the whole surface of the object is completed, finally, the second traction rope 10 pulls the connecting shaft 806 and the cutting knife, so that the connecting shaft 806 slides backwards inside the adjusting groove 11 until all positions 807 on the device are in a straight state, and through the contour on the sampling plate and the shape shown by all fitting plates 904 at the front end of the device, the entire surface of the object surface is sampled.

The above embodiments are only used for illustrating the invention and not for limiting the technical solutions described in the invention, and although the present invention has been described in detail in the present specification with reference to the above embodiments, the present invention is not limited to the above embodiments, and therefore, any modification or equivalent replacement of the present invention is made; all such modifications and variations are intended to be included herein within the scope of this disclosure and the appended claims.

Claims

1. The metering device with the adjustable precision and the irregular surface or contour comprises a shell (1) and an electric heating wire (7), and is characterized in that a clamping assembly (2) is attached to the inside of the shell (1), an adjusting assembly (3) is arranged above the shell (1), and a transmission assembly (4) is arranged at the front end of the adjusting assembly (3); the rear end of shell (1) is provided with calibration subassembly (5), and the front end of calibration subassembly (5) is provided with presses down subassembly (8), presses the front end of subassembly (8) and is connected with contour fitting subassembly (9).

2. An adjustable precision irregular surface or contour metering device as claimed in claim 1, characterized in that said housing (1) comprises a top shell (101), a bottom shell (102), a fixed shaft (103), a movable plate (104), a slot (105), an internal groove (106) and a limit plate (107); the movable mounting of the lower portion of the top shell (101) is provided with a bottom shell (102), the left side and the right side of the top shell (101) and the bottom shell (102) are fixedly connected with a fixed shaft (103), a movable plate (104) is attached to the outer side of the fixed shaft (103), a clamping groove (105) used for moving the fixed shaft (103) is formed in the middle of the movable plate (104), inner grooves (106) are formed in the top shell (101) and the bottom shell (102), a limiting plate (107) is attached to the inner portion of the inner grooves (106), the top shell (101) and the bottom shell (102) are symmetrically distributed on the upper side and the lower side of the limiting plate (107), and the top shell (101) forms a sliding structure with the bottom shell (102) through the inner grooves (106) and the limiting plate (107).

3. An adjustable precision irregular surface or profile metering device as claimed in claim 2, characterized in that said clamping assembly (2) comprises a clamping plate (201), a rubber pad (202) and a groove (203); all paste and be provided with cushion (202) in the inside left and right sides of grip block (201), recess (203) that are used for placing cushion (202) are offered to the inside of grip block (201), cushion (202) have preceding width to the back and increase progressively, the width of grip block (201) is the same with the width of top shell (101) and the width of drain pan (102) is all, and grip block (201) link to each other with the bottom of adjusting part (3), and electric heating wire (7) are all installed with the rear side of drain pan (102) bottom to the rear side of grip block (201).

4. An adjustable precision irregular surface or profile metering device as claimed in claim 3, characterized in that said adjusting assembly (3) comprises a disc (301), a ratchet disc (302), a first pulley (303), a crank (304), a screw (305), a pawl (306), a first spring (307) and a rotating shaft (308); a first belt pulley (303) is fixedly arranged on the surface of the disc (301), a crank (304) is welded at the top end of the first belt pulley (303), a ratchet plate (302) is rotatably installed on the surface of the disc (301), a screw rod (305) is welded below the disc (301), a rotating shaft (308) is welded at the bottom end of the screw rod (305), the rotating shaft (308) is located in the groove (203), the upper surface and the lower surface of the rotating shaft (308) are mutually attached to the inner wall of the groove (203), a pawl (306) is rotatably connected inside the disc (301), and a first spring (307) is fixedly connected between the front end of the pawl (306) and the disc (301); the adjusting component (3) is connected with the calibrating component (5) through a first traction rope (6).

5. A precision adjustable irregular surface or profile metering device as claimed in claim 4, characterized in that the transmission assembly (4) comprises a transmission belt (401), a second pulley (402), a first bevel gear (403), a second bevel gear (404), a transmission rod (405), a lug (406), a connecting plate (407), a fixed ring (408), a rotating plate (409), a sliding rod (410), an arc-shaped groove (411) and a rotating block (412); a second belt pulley (402) is mounted on the front side of the transmission belt (401) in a meshed mode, a first bevel gear (403) is welded on the surface of the second belt pulley (402), a second bevel gear (404) is mounted at the front end of the first bevel gear (403) in a meshed mode, a transmission rod (405) is fixedly arranged at the rear end of the second bevel gear (404), a convex block (406) is fixedly connected to the surface of the transmission rod (405), connecting plates (407) are rotatably connected to the outer sides of the second bevel gear (404) and the transmission rod (405), a fixing ring (408) is welded at the front end of the transmission rod (405), a rotating plate (409) is attached to the outer side of the fixing ring (408), and a sliding rod (410) is welded at the bottom of the connecting plate (407); an arc-shaped groove (411) used for sliding of the sliding rod (410) is formed in the surface of the top shell (101), the circle center of the arc-shaped groove (411) is located on the central axis of the screw rod (305), and a rotating block (412) is rotatably mounted at the front end of the rotating plate (409).

6. A precision adjustable irregular surface or profile metering device as claimed in claim 5, characterized in that the back side of the drive belt (401) is in engagement with the first pulley (303), the slide bar (410) is in bearing connection with the second pulley (402), and the second pulley (402) is in rotation with the slide bar (410) via the drive belt (401) and the first pulley (303).

7. An adjustable accuracy irregular surface or profile metering device as claimed in claim 6, characterized in that said calibration assembly (5) comprises a push rod (501), a through opening (502), a bungee cord (503), a side slot (504); the surface of the push rod (501) is fixedly connected with an elastic rope (503), the surface of the push rod (501) is provided with a through hole (502) for the elastic rope (503) on the lower layer of the push rod (501) to pass through, the front end of the elastic rope (503) is connected with a first traction rope (6), and the left side and the right side of the push rod (501) are both provided with side grooves (504); the push rod (501) is distributed in the shell (1) in a stacking mode, the starting positions of the rear ends of the upper through holes (502) of the push rod (501) are identical, and the ending positions of the front ends of the upper through holes (502) of the push rod (501) are gradually arranged from the upper layer to the lower layer.

8. An adjustable precision irregular surface or profile gauge as claimed in claim 7, wherein the calibration assembly (5) and the pressing assembly (8) are connected in a sliding manner, and the pressing assembly (8) comprises an outer bushing (801), a second spring (802), a joint rod (803), a third spring (804), an inner joint rod (805), a connecting shaft (806), a cutting knife (807), a joint (808) and a joint block (809); a second spring (802) is fixedly installed inside the rear side of the outer bushing (801), a joint rod (803) is fixedly connected to the front end of the second spring (802), a third spring (804) is fixedly connected to the front end of the joint rod (803), an inner joint rod (805) is fixedly arranged at the front end of the third spring (804), the inner joint rod (805) and the joint rod (803) are in sliding connection, the second spring (802) and the third spring (804) are made of memory alloy materials, a connecting shaft (806) is rotatably connected to the inside of the inner joint rod (805), a cutting knife (807) is fixedly installed in the middle of the connecting shaft (806), a connecting head (808) is fixedly arranged at the front end of the connecting shaft (806), and the front end surface of the connecting head (808) is attached to the tail end of the contour attaching assembly (9); the tail end of the outer bushing (801) is fixedly provided with a lapping block (809), and the outer wall of the lapping block (809) is mutually attached to the inner wall of the side groove (504); the pressing component (8) is connected with the calibration component (5) through a second traction rope (10).

9. An adjustable accuracy irregular surface or profile metrology device as claimed in claim 8 wherein the profile conforming assembly (9) comprises an inner shaft (901), a damping pad (902), a connecting sleeve (903) and a conforming plate (904); the inner shaft (901) is fixedly arranged at the front end of the outer bushing (801), a damping pad (902) is fixedly arranged in the middle of the inner shaft (901), a connecting sleeve (903) is tightly attached to the outer side of the damping pad (902), an attaching plate (904) is fixedly arranged at the front end of the connecting sleeve (903), and a straight section is arranged at the tail end of the connecting sleeve (903); the connecting shaft (806), the cutting knife (807) and the connecting head (808) form a rotating structure through a straight section at the rear side of the connecting sleeve (903) and the inner connecting rod (805), and the connecting sleeve (903) forms a rotating structure through an inner shaft (901) and an outer bushing (801).

10. An accurate and adjustable metering device with irregular surface or contour as claimed in claim 8, characterized in that the second traction rope (10) penetrates through the inner connecting rod (805) and the joint rod (803), the inner connecting rod (805) and the outer bushing (801) form a sliding structure through the joint rod (803), and the surface of the outer bushing (801) is provided with an adjusting groove (11) for the connecting shaft (806) to move and rotate.