CN113083948B - Workpiece surface leveling device and method - Google Patents
Workpiece surface leveling device and method Download PDFInfo
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- CN113083948B CN113083948B CN202110474674.5A CN202110474674A CN113083948B CN 113083948 B CN113083948 B CN 113083948B CN 202110474674 A CN202110474674 A CN 202110474674A CN 113083948 B CN113083948 B CN 113083948B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
- B21D3/10—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts between rams and anvils or abutments
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Workshop Equipment, Work Benches, Supports, Or Storage Means (AREA)
Abstract
The invention relates to a workpiece surface leveling device and a workpiece surface leveling method, belonging to the technical field of workpiece surface leveling, and the device comprises a workbench, wherein two clamping pieces for clamping workpieces are arranged on the workbench.
Description
Technical Field
The invention belongs to the technical field of workpiece surface leveling, and particularly relates to a workpiece surface leveling device and method.
Background
The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.
In the hardness measurement process, the levelness of the surface to be measured of the workpiece is of great importance, and the problems of precision, accuracy and the like of the measurement result are directly influenced. The levelness of the surface to be measured of a workpiece is influenced by various factors, before hardness measurement, a cut workpiece needs to be subjected to a series of operations such as grinding and polishing on the surface to be measured, a certain inclination is easily ground on the surface to be measured in the grinding and polishing process, hardness gradient measurement in the depth direction needs to be performed on the surface to be measured of a workpiece sometimes, and an inclined plane is artificially processed on the workpiece, so that hardness measurement has certain difficulty. For example, after the workpiece is cut, the surface to be measured of the workpiece needs to be polished, and in the polishing process, especially when a thin-walled workpiece is polished, the surface to be measured of the thin-walled workpiece is inevitably polished to a certain inclination, so that the measurement of the hardness of the surface to be measured is directly influenced.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention provides a workpiece surface leveling device and a workpiece surface leveling method.
The embodiment of the invention provides a workpiece surface leveling device which comprises a workbench, wherein two clamping pieces for clamping workpieces are arranged on the workbench, at least two pressing plates which are horizontally arranged are arranged at the top of the workbench, an accommodating space is arranged in the workbench, a vertical groove communicated with the accommodating space is formed in the surface of the workbench, a plurality of elastic pieces which are vertically arranged are arranged in the accommodating space, a top plate is arranged at the upper part of each elastic piece, the top plate can slide along the vertical groove under the elastic action of each elastic piece and is in contact with the bottom surface of the workpiece, a slot is formed in the side surface perpendicular to the surface of the workbench, and a limiting plate which is detachably arranged in the slot and is used for fixing the top plate is arranged in the slot.
Furthermore, place the top in the accommodation space and be open box, the elastic component sets up in the box, is equipped with the spout that vertical recess docks mutually on the lateral wall face of box, and the roof setting is in the box, and connects the slide bar on the roof, the slide bar sets up in the spout.
Furthermore, two gasket grooves are arranged at the bottom of the side wall surface slot of the workbench, are respectively provided with two sides of the vertical groove, are communicated with the vertical groove and are perpendicular to the vertical groove.
Furthermore, a hard gasket is placed in one gasket groove, and a soft gasket is placed in the other gasket groove.
Further, be equipped with two on the workstation and stand mutually, and the vertical board on perpendicular to workstation surface is equipped with the socket on the vertical board, the holder slides and sets up in the socket.
Furthermore, a sliding groove is formed in the top of the vertical plate, and the pressing plate is arranged in the sliding groove and can move in the sliding groove.
Furthermore, a bottom plate used for placing a workpiece is arranged at the top of the vertical groove in the workbench and can be jacked up by a top plate in the workbench.
Further, the slot is perpendicular to the vertical groove, and the limiting plate can be inserted into or pulled out of the slot.
Further, the end of the clamping piece, which is contacted with the workpiece, is of a spherical structure.
The embodiment of the invention also provides a leveling method of the workpiece surface leveling device based on any one of the above, which comprises the following steps:
placing a workpiece to be detected on a workbench;
adjusting the horizontally placed pressing plates to two ends above the surface to be measured of the workpiece;
taking out the limiting plate in the workbench, enabling the top plate to slide in the vertical sliding groove under the action of the elastic piece so as to jack up the workpiece to be measured, and enabling the surface to be measured of the workpiece to be measured to be adjusted to be in a horizontal position under the combined action of the pressing plate and the top plate;
a gasket is arranged below the inner top plate of the vertical groove to maintain the position of the workpiece in a leveling state; and finishing leveling the surface to be measured of the workpiece.
The invention has the following beneficial effects:
according to the workpiece surface leveling device provided by the invention, the workpiece is placed on the vertical groove of the workbench, the top plate can move along the vertical sliding groove under the elastic action of the spring at the bottom by taking down the limiting plate, so that the workpiece on the working platform is jacked up, the surface to be measured of the workpiece is adjusted to the horizontal position under the dual actions of the spring and the pressing plate, a large amount of adjustment time is saved, particularly, the surface to be measured of a thin-wall part is not required to be polished, the measurement efficiency and the measurement precision are improved, and the practicability is strong.
Drawings
Fig. 1 is an overall structural view of a workpiece surface leveling device provided in an embodiment of the present invention;
fig. 2 is a schematic view of a positional relationship of components of a workpiece leveling system in the workpiece surface leveling device according to the embodiment of the present invention;
FIG. 3 is a structural diagram of a worktable in the leveling device provided by the embodiment of the invention;
fig. 4 is a mounting structure diagram of an elastic rubber sheet set and a positioning gasket set in the leveling device provided by the embodiment of the invention;
fig. 5 is a structural diagram of an elastic rubber sheet set or a positioning gasket set in the leveling device provided by the embodiment of the invention;
fig. 6 is a schematic diagram of a leveling device according to an embodiment of the present invention, in which a workpiece is leveled.
In the figure: 1. the automatic positioning device comprises a sliding block, 2, a sliding table, 3, a spring box, 4, a workbench, 5, an elastic rubber sheet group, 6, a positioning gasket group, 7, a spring box locking cover, 8, a clamping rod, 9, a workpiece adjusting platform, 10, a spring box cover plate, 101, a flat plate, 102, a limiting rod, 11, a horizontal pressing plate, 12, a vertical groove, 13, a vertical plate, 14, a horizontal groove, 15, a stirring end, 16 and a workpiece to be measured.
Detailed Description
As shown in fig. 1, an embodiment of the present invention provides an overall structure diagram of a workpiece surface leveling apparatus for a hardness tester, and the structure mainly includes four major parts, namely a workpiece clamping system, a workpiece leveling system, a workpiece positioning system, and a workbench 4.
Specifically, referring to fig. 1-3, in the embodiment of the present invention, an accommodating space for placing the spring box 3 is provided inside the workbench 4, the top of the spring box 3 is open, a vertical groove 12 is formed by extending downward on the surface of the workbench 4 for placing the workpiece to be tested, the vertical groove 12 is communicated with the accommodating space for placing the spring box 3, a plurality of vertically placed springs are provided in the spring box 3, and a spring box cover 10 is connected to the tops of the springs, and the spring box cover 10 can slide and move on the surface of the workbench in the vertical sliding groove 12 under the elastic action of the springs to jack up the workpiece to be tested on the surface.
In the embodiment of the invention, a workpiece adjusting platform 9 is arranged on the surface of the workbench, the workpiece adjusting platform 9 is used for bearing a workpiece to be detected, and the workpiece adjusting platform 9 is placed at the top of the vertical groove 12, so that the spring box cover plate 10 can be contacted with the workpiece adjusting platform 9 after being lifted.
Further, in the embodiment of the present invention, two vertical plates 13 are respectively disposed on two sides of the working table 4, and two horizontal pressing plates 11 are respectively slidably disposed at two ends of the top of the two vertical plates 13, and it is necessary to ensure the levelness of the two horizontal pressing plates 11, so that when the workpiece is jacked up, the measured surface of the measured workpiece is never leveled by the limitation of the two horizontal pressing plates 11.
As shown in fig. 1, before leveling of a workpiece to be measured is not started, in order to fix a spring box cover plate 10 in a vertical groove 12 of a workbench 4 without moving, in the embodiment of the present invention, a horizontal groove 14 is formed on a side surface of the workbench 4 perpendicular to the horizontal table top, the horizontal groove 14 is perpendicular to the vertical groove 12, and a spring box stop cover 7 is inserted into the horizontal groove 14, before leveling of the workpiece is not started, the spring box stop cover 7 is inserted into the horizontal groove 14 for fixing the spring box cover plate 10, when the workpiece is leveled, the spring box stop cover 7 in the horizontal groove can be pulled out, so that the spring box cover plate 10 moves upwards under the action of extension and contraction of a bottom spring to jack up the workpiece leveling platform 9 and the workpiece to be measured on the upper portion, as shown in fig. 4.
Therefore, the workpiece surface leveling device that this embodiment provided places the work piece on the vertical recess of workstation, through taking off the limiting plate, the roof can remove and then give the jack-up with the work piece on the work platform along vertical spout under the elastic action of bottom spring, like this under the dual function of spring and clamp plate, makes the work piece await measuring the surface and adjusts horizontal position, saves a large amount of adjustment time, has improved measurement of efficiency and measurement accuracy, and the practicality is strong.
Referring to fig. 2, the spring box 3 in this embodiment is a rectangular housing with an open top, and two sets of springs may be disposed in the rectangular housing, and each set of springs is disposed at two ends of the rectangular housing in the length direction for supporting the spring box cover 10.
Of course, in other embodiments, the springs disposed within the spring cage may employ other alternative resilient elements or the like instead of controlling the automatic movement of the spring cage cover flap 10.
Further, as shown in fig. 2, in the present embodiment, the spring box 3 is provided with a limiting groove on each of two side wall surfaces in the length direction thereof, as shown in the figure, the spring box cover sheet 10 in the spring box mainly includes a flat plate 101 and limiting rods 102 disposed at two ends of the flat plate, wherein the two limiting rods 102 are disposed in the limiting grooves on the side walls at two sides of the spring box respectively, so as to ensure that the spring box cover sheet 10 keeps moving vertically up and down.
Wherein the size of flat board 101 slightly is less than the open size at the spring case top, or be equipped with the clearance between the inner wall of flat board 101 and spring case 3, just so can guarantee the smooth slip of spring case cover plate 10.
In the embodiment of the invention, the limiting groove on the side wall of the spring box 3 corresponds to the vertical groove 12 on the workbench. Meanwhile, a notch larger than the spring box cover plate 10 is arranged on the surface of the workbench, and the workpiece adjusting platform 9 just covers the notch, so that the spring box cover plate 10 can penetrate through the notch to be in contact with the bottom surface of the workpiece adjusting platform 9 to jack the workpiece adjusting platform after rising.
It should be noted that, in other embodiments of the present invention, the spring box 3 may also be omitted directly, for example, a space with the same size as the spring box 3 is directly machined inside the workbench, and then some springs are placed inside the space.
When the surface leveling of the workpiece to be tested is subjected to a hardness test, in order to ensure the stability of the workpiece in the testing process, referring to fig. 4, in the embodiment of the invention, two sides of a vertical groove 12 and the bottom of a horizontal groove on the side wall surface of a workbench 4 are respectively extended to process a gasket groove, wherein one gasket groove is used for placing an elastic rubber sheet group 5, the other gasket groove is used for placing a positioning gasket group 6, the elastic rubber sheet group 5 is formed by overlapping a plurality of elastic rubber sheets, and the positioning gasket group 6 is formed by a plurality of positioning gaskets.
The shapes of the elastic rubber sheet and the positioning gaskets are the same, as shown in fig. 5, the gaskets are provided with a poking end 15, when the elastic rubber sheet group 5 and the positioning gasket group 6 are placed in the gasket groove, the poking end 15 is placed at the outer end, as shown in fig. 1, when the spring box cover plate 10 is lifted to a certain height of the gasket groove, the positioning gasket group 6 and the elastic rubber sheet group 5 can be respectively poked out of the gaskets, and then the gaskets play a supporting role at the bottom of the spring box cover plate 10.
The positioning gaskets are rigid bodies, and the elastic rubber sheets are elastic bodies, so that when a part of the positioning gaskets are pulled out, and the distance between the positioning gasket positioned at the top and the bottom surface of the spring box cover plate 10 is smaller than the thickness of one positioning gasket, one elastic rubber sheet can be pulled out and inserted between the positioning gaskets and the spring box cover plate 10 by using the elastic characteristic of the elastic rubber sheet, so that the spring box cover plate 10 is supported.
The thicknesses of the positioning gaskets and the elastic rubber sheets in the embodiment can be the same or different, meanwhile, the depth of the gasket grooves is determined, the lifting range of the spring box cover plate 10 is ensured to be within the height range of the gasket grooves, of course, if the lifting height of the spring box cover plate 10 exceeds the height of the gasket grooves, the positioning gaskets can be completely pulled out, and then some gasket pads are found at the tops of the positioning gaskets so as to be in contact with the bottoms of the spring box cover plates, and the supporting effect on workpieces is realized.
Further, as shown in fig. 1, two ends of the surface of the workbench in the embodiment of the present invention are respectively provided with a vertical plate 13, the vertical plates are fixedly connected with the surface of the workbench 4, the same position of the top of each of the two vertical plates 13 is provided with a transverse groove, and the two horizontal pressing plates 11 are installed in the transverse grooves of the two vertical plates 13 for propping against the workpiece to be measured, so that when the workpiece to be measured is lifted, the top of the workpiece is automatically adjusted under the restriction of the two horizontal pressing plates 11, and the top surface of the workpiece is ensured to be in a horizontal state.
The horizontal pressing sheet 11 is arranged in the transverse groove of the vertical plate in a sliding mode, so that the distance between the horizontal pressing sheet and the vertical plate can be adjusted according to different sizes of workpieces.
Further, as shown in fig. 1, in the embodiment of the present invention, the workbench 4 is connected to two rectangular sliding tables 2 on two sides of the vertical plate 13, the two rectangular sliding tables 2 are provided with a groove guide rail at a middle position facing the workbench, the clamping rod 8 is provided with a sliding block 1, the sliding block 1 is disposed in the groove guide rail and can slide inside the groove guide rail, so as to adjust a distance between the two clamping rods 8.
Referring to fig. 1, in the embodiment of the present invention, the clamping rod 8 is an L-shaped rod, a through hole is formed in the vertical plate 13 of the horizontal table 4, one end of the clamping rod 8 is connected to the sliding block 1, and the other end of the clamping rod is vertically inserted into the through hole of the vertical plate.
Preferably, the end of the clamping rod 8 contacting with the workpiece to be measured is arranged in a spherical structure, so that the end is in point contact with the workpiece, and the damage to the surface of the workpiece is reduced.
The following describes in detail the leveling method based on the workpiece surface leveling device for the hardness tester, which comprises the following steps,
step 1, a workpiece 16 to be measured is placed on a workpiece adjusting platform 9 of a workbench 4;
and 6, finishing the leveling of the surface to be measured of the workpiece.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.
Claims (4)
1. The workpiece surface leveling device comprises a workbench, wherein two clamping pieces for clamping workpieces are arranged on the workbench, and the workpiece surface leveling device is characterized in that at least two pressing plates which are horizontally placed are arranged at the top of the workbench, a containing space is arranged in the workbench, a vertical groove communicated with the containing space is formed in the surface of the workbench, a plurality of vertically placed elastic pieces are arranged on the containing space, a top plate is arranged on the upper portion of each elastic piece, the top plate can slide along the vertical groove under the elastic action of each elastic piece and is in contact with the bottom surface of a bottom plate, a slot is formed in the side surface perpendicular to the surface of the workbench, and a detachable part is arranged in the slot and fixes a limiting plate of the top plate;
a box body with an open top is placed in the accommodating space, the elastic piece is arranged in the box body, sliding grooves in butt joint with vertical grooves are formed in the side wall surface of the box body, the top plate is arranged in the box body, and the top plate is connected with sliding rods which are arranged in the sliding grooves;
two gasket grooves are arranged at the bottom of the side wall surface slot of the workbench, are respectively provided with two sides of the vertical groove, are communicated with the vertical groove and are perpendicular to the vertical groove;
hard gaskets are placed in one gasket groove, and soft gaskets are placed in the other gasket groove;
two opposite vertical plates which are perpendicular to the surface of the workbench are arranged on the workbench, a socket is arranged on each vertical plate, and the clamping piece is arranged in the socket in a sliding manner;
a bottom plate for placing a workpiece is arranged at the top of the vertical groove on the workbench and can be jacked up by a top plate in the workbench;
the slot is perpendicular to the vertical groove, and the limiting plate can be inserted into or pulled out of the slot.
2. A workpiece surface leveling device as recited in claim 1 wherein a chute is provided at the top of said vertical plate, said pressing plate being disposed within said chute and being movable within said chute.
3. The workpiece surface leveling device according to any one of claims 1 to 2 wherein the end of the holding member which contacts the workpiece is of spherical configuration.
4. The method for leveling a workpiece surface leveling device according to any one of claims 1 to 2,
placing a workpiece to be detected on a workbench;
adjusting the horizontally placed pressing plates to two ends above the surface to be measured of the workpiece;
taking out the limiting plate in the workbench, enabling the top plate to slide in the vertical groove under the action of the elastic piece so as to jack up the workpiece to be measured, and enabling the surface to be measured of the workpiece to be measured to be adjusted to be in a horizontal position under the combined action of the pressing plate and the top plate;
a gasket is arranged below the inner top plate of the vertical groove to maintain the position of the workpiece in a leveling state; and finishing leveling the surface to be measured of the workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110474674.5A CN113083948B (en) | 2021-04-29 | 2021-04-29 | Workpiece surface leveling device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110474674.5A CN113083948B (en) | 2021-04-29 | 2021-04-29 | Workpiece surface leveling device and method |
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| Publication Number | Publication Date |
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| CN113083948A CN113083948A (en) | 2021-07-09 |
| CN113083948B true CN113083948B (en) | 2023-01-20 |
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Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003130774A (en) * | 2001-10-25 | 2003-05-08 | Shimadzu Corp | Micro hardness meter |
| CN105371794B (en) * | 2015-11-16 | 2017-12-22 | 长安大学 | Leveling aligning micro displacement workbench |
| CN205661052U (en) * | 2016-06-06 | 2016-10-26 | 内蒙古机电职业技术学院 | Novel auto leveling of 3D printer device |
| CN106644691A (en) * | 2016-12-09 | 2017-05-10 | 安徽省建筑工程质量监督检测站 | Support leveling device for testing of splitting tensile strength and clamp thereof |
| DE102016125815A1 (en) * | 2016-12-28 | 2018-06-28 | VON ARDENNE Asset GmbH & Co. KG | Horizontal processing arrangement and method |
| CN206671098U (en) * | 2017-05-02 | 2017-11-24 | 陕西柴油机重工有限公司 | A kind of engine air valve valve face rigidity detection device |
| CN207139271U (en) * | 2017-07-11 | 2018-03-27 | 天津贝林思模具有限公司 | A kind of leveling worktable |
| CN208283544U (en) * | 2018-06-27 | 2018-12-25 | 北京行易道科技有限公司 | Levelling mechanism and corner reflector levelling device |
| CN208981427U (en) * | 2018-07-27 | 2019-06-14 | 中能科成流体科技有限公司 | A kind of non-negative pressure water-supply device with high cooling efficiency |
| CN110153748B (en) * | 2019-06-18 | 2020-10-20 | 河南理工大学 | Auxiliary positioning device for machining |
| CN210390135U (en) * | 2019-07-24 | 2020-04-24 | 肇庆学院 | SLM forming platform with leveling function |
| CN212494623U (en) * | 2020-06-01 | 2021-02-09 | 庞鑫 | Steel plate leveling device |
| CN212275419U (en) * | 2020-06-17 | 2021-01-01 | 李鹏 | Industrial building material hardness detection device |
| CN112128520A (en) * | 2020-09-12 | 2020-12-25 | 李技涵 | Special leveling mechanism of engineering machine tool |
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2021
- 2021-04-29 CN CN202110474674.5A patent/CN113083948B/en active Active
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