CN113857887A - Elastic lateral positioning assembly for automatically correcting angle of workpiece - Google Patents
Elastic lateral positioning assembly for automatically correcting angle of workpiece Download PDFInfo
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- CN113857887A CN113857887A CN202010613349.8A CN202010613349A CN113857887A CN 113857887 A CN113857887 A CN 113857887A CN 202010613349 A CN202010613349 A CN 202010613349A CN 113857887 A CN113857887 A CN 113857887A
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- positioning block
- movable positioning
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- 238000003754 machining Methods 0.000 abstract description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention provides an elastic lateral positioning assembly capable of automatically correcting the angle of a workpiece. Belongs to the technical field of machining. The automatic positioning device comprises a guide mounting plate, a movable positioning block, a limiting rod, a limiting plate and a spring, wherein a guide groove is formed in the lower end face of the guide mounting plate and is provided with the movable positioning block in a clearance fit mode, the limiting rod penetrates through the spring to be mounted in the movable positioning block and limits the moving stroke of the movable positioning block through a limiting plate mounted on a guide mounting plate, when a workpiece is positioned, the movable positioning block retracts along the guide groove to enable the end face of the movable positioning block to be in contact with the inner side end face of the limiting plate, then a V-shaped groove used for positioning on the movable positioning block is in contact with a positioning area set by a workpiece lateral profile, and due to the acting force of the spring, the automatic correction of the circumferential rotation state of the workpiece can be achieved, so that the lateral accurate positioning of the outline of the workpiece is achieved.
Description
Technical Field
The invention belongs to the technical field of machining, and particularly relates to an elastic lateral positioning assembly capable of automatically correcting the angle of a workpiece.
Background
In machining, lateral positioning for limiting the rotational degree of freedom of a workpiece is generally achieved by contacting an adjustable lateral positioning element with a fixed positioning area of a lateral profile of the workpiece, thereby realizing lateral positioning for limiting the rotational degree of freedom of the workpiece. The lateral positioning mode has the advantages that the positioning original piece only contacts a certain fixed positioning area of the lateral outline of the workpiece, the machined hole position can be greatly deviated relative to the outline of the workpiece for the workpiece with larger machining error such as a blank manufactured by a casting or forging process, the workpiece is scrapped, the manufacturing cost is increased, particularly, considerable loss can be caused for the workpieces produced in large batch, and the lateral positioning mode which is pushed by the air cylinder and can contact two points with the lateral outline of the workpiece and limit the rotational freedom of the workpiece is adopted.
Disclosure of Invention
In machining, lateral positioning for limiting the rotational degree of freedom of a workpiece is generally achieved by contacting an adjustable lateral positioning element with a fixed positioning area of a lateral profile of the workpiece, thereby realizing lateral positioning for limiting the rotational degree of freedom of the workpiece. The lateral positioning mode has the advantages that the positioning original piece only contacts a certain fixed positioning area of the lateral outline of the workpiece, the machined hole position can be greatly deviated relative to the outline of the workpiece for the workpiece with larger machining error such as a blank manufactured by a casting or forging process, the workpiece is scrapped, the manufacturing cost is increased, particularly, considerable loss can be caused for the workpieces produced in large batch, and the lateral positioning mode which is pushed by the air cylinder and can contact two points with the lateral outline of the workpiece and limit the rotational freedom of the workpiece is adopted.
The invention aims to provide an elastic automatic workpiece angle correcting lateral positioning component which is simple in structure, small and exquisite and accurate in positioning, aiming at the problems that a lateral positioning device in the prior art is complex in structure, large in occupied space, not accurate in positioning, high in positioning cost and the like.
In order to achieve the purpose, the invention adopts the technical scheme that: an elastic lateral positioning assembly for automatically correcting the angle of a workpiece comprises a guide mounting plate, wherein a guide groove is formed in the lower end face of the guide mounting plate, a movable positioning block is installed on the lower end face of the guide mounting plate in a clearance fit mode and divided into a front end and a rear end, the front end width of the movable positioning block is larger than the rear end width of the movable positioning block, the guide groove of the guide mounting plate is correspondingly divided into a front end and a rear end, the rear end length of the guide groove is consistent with the rear end length of the movable positioning block, the front end length of the guide groove is shorter than the rear end length of the movable positioning block, a positioning groove matched with a positioning workpiece is formed in the front end of the movable positioning block, the moving direction of the movable positioning block is consistent with the moving direction limited by the rear end of the guide groove of the guide mounting plate, a limiting plate is installed on the rear end face of the guide mounting plate, a through hole is formed in the middle of the limiting plate, a counter bore is formed in the tail of the movable positioning block corresponding to the through hole, and a spring is arranged in the counter bore, the limiting rod penetrates through the limiting plate through hole and the inner diameter of the spring to be connected with the tail of the movable positioning block, and the tail end of the limiting rod is provided with a limiting flat head.
According to the improvement of the technical scheme, the front end of the limiting rod is provided with an external thread, and a threaded hole is formed in a counter bore in the tail of the movable positioning block and is correspondingly installed with the counter bore.
The further improvement to the technical scheme is that the limit flat head at the tail end of the limit rod is cut with two parallel notches.
According to the technical scheme, the guide mounting plate is further improved, two mounting holes are punched in the upper end face of the guide mounting plate, and the mounting holes are countersunk holes.
The technical proposal is further improved, the front end of the movable positioning block is provided with a V-shaped groove or a groove with two ends protruding and a middle concave groove which can be used for positioning.
According to the technical scheme, the length of the spring when the spring is not stressed is larger than the depth of a counter bore at the tail of the movable positioning block.
Advantageous effects
The invention has the advantages of simple structure, small volume, convenient installation, simple operation, accurate positioning and the like.
The guide mounting plate of the positioning assembly is provided with the guide groove, the movable positioning block is mounted through clearance fit, and the structure can protect the movable positioning block from being influenced by scrap iron and stains on the workbench, so that the movable positioning block can freely move in the guide mounting plate, and the service life of the positioning assembly can be effectively prolonged.
The front end of the limiting rod is provided with an external thread, a threaded hole is formed in a counter bore at the tail of the movable positioning block and is correspondingly installed with the counter bore, and the whole structure is more stable due to the connection mode.
The limiting flat head at the tail end of the limiting rod is symmetrically cut with two parallel notches, and the structure can be assembled by using a wrench, so that the assembly is more convenient.
The mounting hole of the upper end face of the guide mounting plate is a counter bore, and the screw head can sink into the counter bore by using the counter bore, so that the structure of the guide mounting plate is simpler, more attractive and smaller.
V-shaped grooves or concave grooves can be formed in the grooves at the front ends of the movable positioning blocks according to conditions, and different positioning grooves can be adopted by the positioning assemblies according to different workpieces, so that the practicability of the positioning assemblies is improved.
The length of the spring when not stressed is larger than the depth of the counter bore at the tail of the movable positioning block, so that the acting force of the spring is ensured, and the positioning is more stable.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a right side view of the present invention.
Fig. 3 is a top view of the present invention.
FIG. 4 is an isometric view of the present invention
Fig. 5 is a sectional view taken along line a-a of fig. 2.
FIG. 6 is a schematic view of a V-shaped groove of the movable positioning block.
FIG. 7 is a schematic view of a groove of the movable positioning block.
Number 1 in the figure, guide the mounting plate; 2. moving the positioning block; 3. a limiting rod; 4. a limiting plate; 5; a spring; 6. and (5) a workpiece.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings and embodiments, but the embodiment should not be construed as limiting the present invention.
The invention is shown in figures 1 to 7:
an elastic lateral positioning component for automatically correcting the angle of a workpiece comprises a guide mounting plate 1, a movable positioning block 2, a limiting rod 3, a limiting plate 4 and a spring 5, wherein two countersunk holes for installation are formed in the upper end face of the guide mounting plate 1, a guide groove is formed in the lower end face of the guide mounting plate 1, the shape of the guide groove is consistent with that of the movable positioning block 2, the movable positioning block 2 is arranged through clearance fit, the movable positioning block 2 is divided into a front end part and a rear end part, the width of the front end is larger than that of the rear end, the guide groove of the guide mounting plate 1 is correspondingly divided into a front end and a rear end part, the length of the rear end of the guide groove is consistent with that of the rear end of the movable positioning block 2, the length of the front end of the guide groove is short and that of the rear end of the movable positioning block, the front end of the movable positioning block 2 is provided with a positioning groove adaptive to a positioning workpiece, and the moving direction of the movable positioning block 2 is consistent with that the moving direction limited by the rear end of the guide groove of the guide mounting plate 1, install limiting plate 4 on the rear end face of guide mounting panel, the middle part of limiting plate 4 is equipped with the through-hole, the afterbody of removing locating piece 2 corresponds this through-hole position and has been beaten a counter bore, is equipped with a spring 5 in this counter bore, the external screw thread that limiting rod 3 passed limiting plate 4 through-hole and spring 5 and was equipped with through its front end is connected with the screw hole that the afterbody of removing locating piece 2 was equipped with, the tail end of limiting rod 3 is equipped with spacing flat head, and the symmetry is cut with two parallel breachs on this flat head. After the assembly is completed, the spring 5 is not under the condition of external force, the movable positioning block 2 is in a protruding state at the moment, a distance is reserved between the inner end face of the tail end of the limiting rod 3 and the outer end face of the limiting plate 4, when the inner end face of the tail end of the limiting rod 3 is in contact with the outer end face of the limiting plate 4, the movable positioning block 2 can protrude forwards, the protruding stroke of the movable positioning block 2 is limited at the moment, and when the end face of the tail end of the movable positioning block 2 is in contact with the inner end face of the limiting plate 4, the retracting stroke of the movable positioning block 2 is limited.
The working principle of the invention is as follows:
when the workpiece 6 needs to be positioned, the movable positioning block 2 retracts along the guide groove, so that the end face of the tail end of the movable positioning block is in contact with the end face of the inner side of the limiting plate 4, then the V-shaped groove or the groove for positioning on the movable positioning block 2 is in contact with the positioning area set by the lateral profile of the workpiece 6, and due to the acting force of the spring 5, the circumferential rotation state of the workpiece 6 can be automatically corrected, and therefore the lateral accurate positioning of the outer profile of the workpiece is achieved.
Those skilled in the art will appreciate that the details of the present invention are not described in detail herein.
The above description is only exemplary of the invention and is not intended to limit the invention, which may be modified within the spirit and scope of the invention. Equivalents, modifications, etc. are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides an automatic work piece angle side direction locating component of rectifying of elasticity which characterized in that: the guide positioning device comprises a guide mounting plate, wherein a guide groove is formed in the lower end face of the guide mounting plate, a movable positioning block is installed through clearance fit, the movable positioning block is divided into a front end and a rear end, the width of the front end is larger than that of the rear end, the guide groove of the guide mounting plate is correspondingly divided into a front end and a rear end, the length of the rear end of the guide groove is consistent with that of the rear end of the movable positioning block, the length of the front end of the guide groove is shorter than that of the front end of the movable positioning block, a positioning groove matched with a positioning workpiece is formed in the front end of the movable positioning block, the moving direction of the movable positioning block is consistent with that defined by the rear end of the guide groove of the guide mounting plate, a limiting plate is installed on the rear end face of the guide mounting plate, a through hole is formed in the middle of the limiting plate, a counter bore is formed in the tail of the movable positioning block and corresponds to the through hole, a spring is arranged in the counter bore, and the limiting rod penetrates through the through hole of the limiting plate and is connected with the tail of the movable positioning plate, the tail end of the limiting rod is provided with a limiting flat head.
2. The elastic automatic angle-correcting lateral positioning assembly of claim 1, wherein: the front end of the limiting rod is provided with an external thread, and a threaded hole is arranged in a counter bore at the tail of the movable positioning block and is correspondingly installed with the counter bore.
3. An elastic automatic angle correcting lateral positioning assembly for workpieces according to claim 1 or 2, wherein: two parallel notches are symmetrically cut at the limit flat head at the tail end of the limit rod.
4. The elastic automatic angle-correcting lateral positioning assembly of claim 1, wherein: two mounting holes are punched on the upper end face of the guide mounting plate, and the mounting holes are countersunk holes.
5. The elastic automatic angle-correcting lateral positioning assembly of claim 1, wherein: the front end of the movable positioning block is provided with a V-shaped groove or a groove which can be used for positioning.
6. The elastic automatic angle-correcting lateral positioning assembly of claim 1, wherein: the length of the spring when the spring is not stressed is larger than the depth of a counter bore at the tail part of the movable positioning block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010613349.8A CN113857887A (en) | 2020-06-30 | 2020-06-30 | Elastic lateral positioning assembly for automatically correcting angle of workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010613349.8A CN113857887A (en) | 2020-06-30 | 2020-06-30 | Elastic lateral positioning assembly for automatically correcting angle of workpiece |
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| Publication Number | Publication Date |
|---|---|
| CN113857887A true CN113857887A (en) | 2021-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010613349.8A Pending CN113857887A (en) | 2020-06-30 | 2020-06-30 | Elastic lateral positioning assembly for automatically correcting angle of workpiece |
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| Country | Link |
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| CN (1) | CN113857887A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10340947A (en) * | 1997-06-09 | 1998-12-22 | Shibaura Eng Works Co Ltd | Spin processor |
| CA2381473A1 (en) * | 2001-04-19 | 2002-10-19 | Luciano Migliori | Toggle lever clamping device |
| CN109048439A (en) * | 2018-07-24 | 2018-12-21 | 武汉船用机械有限责任公司 | A kind of V-type support device |
| CN210115715U (en) * | 2019-03-27 | 2020-02-28 | 杭州益拓精密机械设备有限公司 | Automobile wheel hub processing is with swift loading and unloading anchor clamps |
| CN210819969U (en) * | 2019-07-23 | 2020-06-23 | 安徽永卓自动化科技有限公司 | Device for fixing bar |
| CN212683161U (en) * | 2020-06-30 | 2021-03-12 | 东风（十堰）汽车液压动力有限公司 | Elastic lateral positioning assembly for automatically correcting angle of workpiece |
-
2020
- 2020-06-30 CN CN202010613349.8A patent/CN113857887A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10340947A (en) * | 1997-06-09 | 1998-12-22 | Shibaura Eng Works Co Ltd | Spin processor |
| CA2381473A1 (en) * | 2001-04-19 | 2002-10-19 | Luciano Migliori | Toggle lever clamping device |
| CN109048439A (en) * | 2018-07-24 | 2018-12-21 | 武汉船用机械有限责任公司 | A kind of V-type support device |
| CN210115715U (en) * | 2019-03-27 | 2020-02-28 | 杭州益拓精密机械设备有限公司 | Automobile wheel hub processing is with swift loading and unloading anchor clamps |
| CN210819969U (en) * | 2019-07-23 | 2020-06-23 | 安徽永卓自动化科技有限公司 | Device for fixing bar |
| CN212683161U (en) * | 2020-06-30 | 2021-03-12 | 东风（十堰）汽车液压动力有限公司 | Elastic lateral positioning assembly for automatically correcting angle of workpiece |
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