CN109693220B - Central line planning device with roller mechanism - Google Patents
Central line planning device with roller mechanism Download PDFInfo
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- CN109693220B CN109693220B CN201811587719.4A CN201811587719A CN109693220B CN 109693220 B CN109693220 B CN 109693220B CN 201811587719 A CN201811587719 A CN 201811587719A CN 109693220 B CN109693220 B CN 109693220B
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- connecting rod
- tail end
- roller
- hinged
- hinge
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H7/00—Marking-out or setting-out work
- B25H7/04—Devices, e.g. scribers, for marking
- B25H7/045—Devices, e.g. scribers, for marking characterised by constructional details of the marking elements
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- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a center line planning device with a roller mechanism, which comprises a fixed support and a movable support, wherein the movable support is movably connected to the fixed support, the head end of a first connecting rod is hinged to the fixed support, the head end of a second connecting rod is hinged to the movable support, the tail end of the first connecting rod is hinged to the tail end of the second connecting rod, and the length of the first connecting rod is equal to that of the second connecting rod; and a marking tool is arranged at the hinged position of the tail end of the first connecting rod and the tail end of the second connecting rod. The head end of the third connecting rod is hinged to the fixed support, the head end of the fourth connecting rod is hinged to the movable support, the tail end of the third connecting rod is hinged to the tail end of the fourth connecting rod, and the length of the third connecting rod is equal to that of the fourth connecting rod; and a roller mechanism is arranged at the hinged position of the tail end of the third connecting rod and the tail end of the fourth connecting rod. The invention utilizes the principle that the center line of the isosceles triangle is overlapped with the height, so that a worker can conveniently find and determine the center line of the shaft part, and the roller mechanism plays a stabilizing role in the scribing process of the planning device.
Description
Technical Field
The invention relates to the technical field of production, in particular to auxiliary equipment for raw material processing.
Background
For example, a center line of a circular tube or a square tube needs to be found so that the center of the groove or the hole to be machined falls on the center line.
Disclosure of Invention
The technical problems solved by the invention are as follows: the center line of the raw material is found simply and stably.
In order to solve the technical problems, the invention provides the following technical scheme: a central line planning device with a roller mechanism comprises a fixed support and a movable support, wherein the movable support is movably connected to the fixed support, the head end of a first connecting rod is hinged to the fixed support, the head end of a second connecting rod is hinged to the movable support, the tail end of the first connecting rod is hinged to the tail end of the second connecting rod, and the length of the first connecting rod is equal to that of the second connecting rod; the hinge point of the head end of the first connecting rod and the fixed support is a first hinge point, and the hinge point of the head end of the second connecting rod and the movable support is a second hinge point; the movable support and the fixed support are clamped at two sides of the raw material, and the midpoint of a connecting line connecting the first hinge point and the second hinge point falls on the central line of the raw material; a marking tool is arranged at the hinged position of the tail end of the first connecting rod and the tail end of the second connecting rod;
the head end of the third connecting rod is hinged to the fixed support, the head end of the fourth connecting rod is hinged to the movable support, the tail end of the third connecting rod is hinged to the tail end of the fourth connecting rod, and the length of the third connecting rod is equal to that of the fourth connecting rod; the hinge point of the head end of the third connecting rod and the fixed support is a third hinge point, and the hinge point of the head end of the fourth connecting rod and the movable support is a fourth hinge point; the midpoint of a connecting line connecting the third hinge point and the fourth hinge point is positioned on the central line of the raw material; and a roller mechanism is arranged at the hinged position of the tail end of the third connecting rod and the tail end of the fourth connecting rod.
The movable support can move relative to the fixed support to be close to or far away from the fixed support so as to adapt to raw materials with different outer diameters.
Because the first connecting rod and the second connecting rod are equal in length, and when the movable support and the fixed support are clamped on two sides of the raw material, the middle point of a connecting line connecting the first hinge point and the second hinge point is located on the central line of the raw material, namely, the middle point of a connecting line between the head end of the first connecting rod and the head end of the second connecting rod is located on the central line of the raw material, the connecting line between the first connecting rod, the second connecting rod, the head end of the first connecting rod and the head end of the second connecting rod forms an isosceles triangle, the height of the isosceles triangle is superposed with the central line, no matter how the distance between the head end of the first connecting rod and the head end of the second connecting rod is changed, namely, no matter how the outer diameter of the raw material is changed, the hinge point between the tail end of the first connecting rod and the tail end of the second connecting rod is always located on the central line of the raw material, and therefore, the marking tool is always located on the central line of the raw material. The center line planning device is dragged along the length direction of the raw material, and the marking tool can mark a center line of the raw material on the outer side wall of the raw material.
The center line planning device is designed by utilizing the principle that the center line of the isosceles triangle is overlapped with the height, so that workers can conveniently find and determine the center lines of shaft parts such as square tubes, round tubes and the like, and a foundation is laid for further processing of raw materials.
Like the first connecting rod and the second connecting rod, a connecting line between the head ends of the third connecting rod, the fourth connecting rod and the fourth connecting rod forms an isosceles triangle, so that the roller mechanism is always positioned on the central line of the raw materials, and like a marking tool is always positioned on the central line of the raw materials, so that the roller mechanism is suitable for the raw materials with different outer diameters or widths.
In operation, the raw material is flatly placed, the movable support and the fixed support are clamped on the left side and the right side of the raw material, the roller mechanisms are pressed on the top of the raw material, the marking tool is in contact with the top of the raw material, therefore, the central line planning device moves along the axis of the raw material, the roller mechanisms roll along the top of the raw material, the movable support and the fixed support move along the left side and the right side of the raw material, and the moving stability of the central line planning device is guaranteed.
Drawings
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic view of a centerline planning device with a roller mechanism in combination with stock material;
FIG. 2 is an enlarged view of FIG. 1 at A;
fig. 3 is an exploded view of fig. 2.
The symbols in the drawings illustrate that:
10. fixing a bracket; 11. a slide rail; 12. a first drum;
20. a movable support; 22. a second drum;
31. a first link; 32. a second link;
33. a third link; 34. a fourth link;
41. a roller frame; 42. a roller; 43. a frame shaft; 44. a roller shaft; 441. a limiting block; 442. a stopper block; 443. a threaded hole on the roller shaft; 45. a first sheave;
51. a feed screw nut; 52. a screw rod; 53. rotating the handle;
70. a marking pen; 71. a second sheave; 72. a sheave bracket; 73. a threaded barrel; 74. a hinge barrel; 75. a wire guide;
80. raw materials.
Detailed Description
The following detailed description refers to fig. 1-3.
A center line planning device provided with a roller mechanism comprises a fixed support 10, a movable support 20, a first connecting rod 31, a second connecting rod 32, a third connecting rod 33, a fourth connecting rod 34, a marking tool and the roller mechanism.
The movable bracket 20 is connected to the fixed bracket 10 through a screw mechanism. The fixed support is provided with a slide rail 11, and the movable support is matched on the slide rail. The screw rod nut 51 of the screw rod mechanism is arranged on the movable support, the head end of a screw rod 52 of the screw rod mechanism is pivoted on the fixed support, and the tail end of the screw rod mechanism is provided with a rotating handle 53. The rotary handle is rotated, the screw rod drives the movable support to move along the slide rail of the fixed support through the screw rod nut, and the movable support is far away from or close to the fixed support so as to adapt to raw materials with different outer diameters.
The fixed bracket 10 is provided with a pair of first rollers 12, the movable bracket 20 is provided with a pair of second rollers 22, and the plane of the rotation center line of the pair of first rollers is parallel to the plane of the rotation center line of the pair of second rollers. Therefore, when the fixed support and the movable support are clamped on the left side and the right side of the raw material in opposite directions, the pair of first rollers positioned on the left side of the raw material can simultaneously abut against the left side of the raw material, and the pair of second rollers positioned on the right side of the raw material can simultaneously abut against the right side of the raw material, so that the central line planning device is ensured to be stably clamped on the raw material.
The head end of the first connecting rod 31 is hinged on the fixed support, the head end of the second connecting rod 32 is hinged on the movable support, the tail end of the first connecting rod is hinged with the tail end of the second connecting rod, and the length of the first connecting rod is equal to that of the second connecting rod.
The head end of the third connecting rod 33 is hinged on the fixed support, the head end of the fourth connecting rod 34 is hinged on the movable support, the tail end of the third connecting rod is hinged with the tail end of the fourth connecting rod, and the length of the third connecting rod is equal to that of the fourth connecting rod; the hinge point of the head end of the third connecting rod and the fixed support is a third hinge point, and the hinge point of the head end of the fourth connecting rod and the movable support is a fourth hinge point; the midpoint of a connecting line connecting the third hinge point and the fourth hinge point is positioned on the central line of the raw material; and a roller mechanism is arranged at the hinged position of the tail end of the third connecting rod and the tail end of the fourth connecting rod.
The roller mechanism comprises a roller frame 41 and a pair of rollers 42, all the rollers are mounted on the roller frame, the roller frame is provided with a frame shaft 43, the tail end of the third connecting rod 33 is provided with a third hinge hole, the tail end of the fourth connecting rod 34 is provided with a fourth hinge hole, and the frame shaft is matched in the third hinge hole and the fourth hinge hole. The frame shaft serves as a hinge shaft of the third link and the fourth link, so that the center line planning device is simplified in structure.
Any roller is arranged on the roller frame 41 through a roller shaft, and a first grooved wheel 45 is arranged on the roller shaft 44 of one roller in all the rollers; a transmission line is wound on the first grooved wheel, the transmission line is wound on the second grooved wheel 71 at the same time, the second grooved wheel is pivoted on a grooved wheel support 72, the grooved wheel support is installed on the second connecting rod 32, a threaded hole is formed in the center of the second grooved wheel, a threaded barrel 73 is screwed in the threaded hole, and the marking tool is inserted into the threaded barrel; the tail end of the first connecting rod 31 is provided with a first hinge hole, the tail end of the second connecting rod is provided with a second hinge hole, a hinge cylinder 74 is inserted into the first hinge hole and the second hinge hole, the inner side wall of the hinge cylinder is provided with a guide block, the outer side wall of the threaded cylinder is provided with a guide groove, the threaded cylinder is in clearance fit in the hinge cylinder, and the guide block is matched with the guide groove. Wherein, the marking tool is a consumable marking pen, such as a pencil and a chalk. The marking pen is fixedly inserted in the threaded cylinder. When the center line planning device is used for planning the center line of the raw material, the pair of rollers roll on the raw material, the rollers drive the first grooved wheel, the first grooved wheel is wound by the transmission line, the transmission line drives the second grooved wheel, under the matching of the guide block and the guide groove, the threaded hole of the second grooved wheel drives the threaded cylinder to linearly descend, the marking pen inserted in the threaded cylinder descends along with the threaded cylinder, and the marking pen point can be in contact with the raw material under the condition of continuous consumption. The second grooved wheel is pivoted on the grooved wheel support through a bearing, a wire guiding piece 75 is arranged on the grooved wheel support, a wire guiding hole is formed in the wire guiding piece, and the transmission line penetrates through the wire guiding hole, so that the transmission line can be accurately wound on the second grooved wheel. Accordingly, a wire guide may also be provided in the vicinity of the first sheave.
The roller shaft 44 provided with the first sheave is provided with a limiting block 441, the end part of the roller shaft provided with the first sheave is screwed with a stop block 442, and the stop block and the limiting block can clamp the first sheave 45 on the roller shaft. Not hard up the stop block, first sheave can rotate relative to the roller shaft, adjusts the transmission line and twines the number of turns on first sheave, aim at: the transmission line is in the state of tightening, and the nib of marking pen can contact with raw and other materials when a pair of gyro wheels contact with raw and other materials. After the adjustment is finished, the stop block is screwed, and the stop block and the limiting block clamp the first grooved wheel tightly, so that the roller rotates, the roller shaft rotates, and the first grooved wheel rotates along with the roller shaft.
In operation, the rotary knob 53 is operated to adjust the distance between the fixed frame 10 and the movable frame 20 to be adapted to the outer diameter of the raw material so that the pair of first rollers 12 and the pair of second rollers 22 are closely attached to the left and right sides of the raw material, and the height of the center line scribing apparatus is manually controlled so that the scribing bottom end of the scribing pen is brought into contact with the raw material. The middle point of a connecting line connecting the first hinge point and the second hinge point falls on the center line of the raw material.
And then, manually dragging the center line planning device to move along the length direction of the raw material, rolling the raw material by the pair of rollers, and drawing the center line of the raw material on the outer side wall of the raw material by the marking pen.
Because the scribing pen has the damaged and gradually shortened scribing bottom end in the scribing process, one roller of the pair of rollers 42 drives the first grooved pulley 45 to synchronously rotate, the first grooved pulley drives the second grooved pulley 71 through the transmission line, and the second grooved pulley drives the threaded cylinder 73 and the scribing pen in the threaded cylinder to move downwards, so that the scribing bottom end of the scribing pen is in contact with the outer side wall of the raw material, and the center line of the raw material is smoothly scribed.
Claims (4)
1. A central line planning device with a roller mechanism comprises a fixed support (10) and a movable support (20), wherein the movable support is movably connected to the fixed support, the head end of a first connecting rod (31) is hinged to the fixed support, the head end of a second connecting rod (32) is hinged to the movable support, the tail end of the first connecting rod is hinged to the tail end of the second connecting rod, and the length of the first connecting rod is equal to that of the second connecting rod;
the hinge point of the head end of the first connecting rod and the fixed support is a first hinge point, and the hinge point of the head end of the second connecting rod and the movable support is a second hinge point;
the movable support and the fixed support are clamped at two sides of the raw material, and the midpoint of a connecting line connecting the first hinge point and the second hinge point falls on the central line of the raw material;
a marking tool is arranged at the hinged position of the tail end of the first connecting rod and the tail end of the second connecting rod;
the method is characterized in that: the head end of a third connecting rod (33) is hinged on the fixed support, the head end of a fourth connecting rod (34) is hinged on the movable support, the tail end of the third connecting rod is hinged with the tail end of the fourth connecting rod, and the length of the third connecting rod is equal to that of the fourth connecting rod;
the hinge point of the head end of the third connecting rod and the fixed support is a third hinge point, and the hinge point of the head end of the fourth connecting rod and the movable support is a fourth hinge point;
the midpoint of a connecting line connecting the third hinge point and the fourth hinge point is positioned on the central line of the raw material;
a roller mechanism is arranged at the hinged position of the tail end of the third connecting rod and the tail end of the fourth connecting rod;
the roller mechanism comprises a roller frame (41) and at least one pair of rollers (42), all the rollers are mounted on the roller frame, the roller frame is provided with a frame shaft (43), the tail end of the third connecting rod (33) is provided with a third hinge hole, the tail end of the fourth connecting rod (34) is provided with a fourth hinge hole, and the frame shaft is matched in the third hinge hole and the fourth hinge hole;
any roller is arranged on the roller frame (41) through a roller shaft, and a first grooved wheel (45) is arranged on the roller shaft (44) of one roller in all the rollers;
a transmission line is wound on the first grooved wheel, the transmission line is wound on a second grooved wheel (71) at the same time, the second grooved wheel is pivoted on a grooved wheel support (72), the grooved wheel support is installed on a second connecting rod (32), a threaded hole is formed in the center of the second grooved wheel, a threaded barrel (73) is screwed in the threaded hole, and the marking tool is inserted in the threaded barrel;
the tail end of the first connecting rod (31) is provided with a first hinge hole, the tail end of the second connecting rod is provided with a second hinge hole, a hinge cylinder (74) is inserted into the first hinge hole and the second hinge hole, the inner side wall of the hinge cylinder is provided with a guide block, the outer side wall of the threaded cylinder is provided with a guide groove, the threaded cylinder is in clearance fit in the hinge cylinder, and the guide block is matched with the guide groove.
2. The centerline planning apparatus provided with a roller mechanism according to claim 1, wherein: the movable bracket (20) is connected to the fixed bracket (10) through a screw rod mechanism;
a slide rail (11) is arranged on the fixed bracket, and the movable bracket is matched on the slide rail; a screw rod nut (51) of the screw rod mechanism is arranged on the movable support, the head end of a screw rod (52) of the screw rod mechanism is pivoted on the fixed support, and a rotary handle (53) is arranged at the tail end of the screw rod mechanism.
3. The centerline planning apparatus provided with a roller mechanism according to claim 1, wherein: the fixed support (10) is provided with a pair of first rollers (12), the movable support (20) is provided with a pair of second rollers (22), and the plane of the rotating center lines of the first rollers is parallel to the plane of the rotating center lines of the second rollers.
4. The centerline planning apparatus provided with a roller mechanism according to claim 1, wherein: a limiting block (441) is arranged on the roller shaft (44) provided with the first grooved wheel, a stopping block (442) is screwed at the end part of the roller shaft provided with the first grooved wheel, and the stopping block and the limiting block can clamp the first grooved wheel (45) on the roller shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811587719.4A CN109693220B (en) | 2018-12-25 | 2018-12-25 | Central line planning device with roller mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811587719.4A CN109693220B (en) | 2018-12-25 | 2018-12-25 | Central line planning device with roller mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109693220A CN109693220A (en) | 2019-04-30 |
| CN109693220B true CN109693220B (en) | 2022-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811587719.4A Active CN109693220B (en) | 2018-12-25 | 2018-12-25 | Central line planning device with roller mechanism |
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| Country | Link |
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| CN (1) | CN109693220B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111037532B (en) * | 2019-12-23 | 2023-03-10 | 渤海造船厂集团有限公司 | Pipeline central axis marking and drawing method |
| CN114473992A (en) * | 2021-12-03 | 2022-05-13 | 西南交通大学 | Automobile radiator brazing centering marking device |
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|---|---|---|---|---|
| DE202008008825U1 (en) * | 2008-08-29 | 2008-11-13 | Yazar, Fatma | Holder for a marking or cutting device |
| CN104275690A (en) * | 2014-09-12 | 2015-01-14 | 大连职业技术学院 | Hole self-centering marking gauge and using method thereof |
| CN107901016A (en) * | 2017-12-18 | 2018-04-13 | 集美大学 | The experiment pipe fitting chalker and method of a kind of angle adjustable |
| CN207414432U (en) * | 2018-03-20 | 2018-05-29 | 湖北沛函建设有限公司 | Build square tube center line drilling auxiliary guide mechanism |
| CN207874208U (en) * | 2018-01-31 | 2018-09-18 | 河南科技学院 | A kind of teaching mechanical workpieces lineation device |
| CN108972493A (en) * | 2018-09-27 | 2018-12-11 | 袁年来 | It is a kind of for drawing the mobile mechanism of center line |
| CN208246782U (en) * | 2018-05-28 | 2018-12-18 | 山西四建集团有限公司 | A kind of tubing draw in the Line tool |
-
2018
- 2018-12-25 CN CN201811587719.4A patent/CN109693220B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202008008825U1 (en) * | 2008-08-29 | 2008-11-13 | Yazar, Fatma | Holder for a marking or cutting device |
| CN104275690A (en) * | 2014-09-12 | 2015-01-14 | 大连职业技术学院 | Hole self-centering marking gauge and using method thereof |
| CN107901016A (en) * | 2017-12-18 | 2018-04-13 | 集美大学 | The experiment pipe fitting chalker and method of a kind of angle adjustable |
| CN207874208U (en) * | 2018-01-31 | 2018-09-18 | 河南科技学院 | A kind of teaching mechanical workpieces lineation device |
| CN207414432U (en) * | 2018-03-20 | 2018-05-29 | 湖北沛函建设有限公司 | Build square tube center line drilling auxiliary guide mechanism |
| CN208246782U (en) * | 2018-05-28 | 2018-12-18 | 山西四建集团有限公司 | A kind of tubing draw in the Line tool |
| CN108972493A (en) * | 2018-09-27 | 2018-12-11 | 袁年来 | It is a kind of for drawing the mobile mechanism of center line |
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| Publication number | Publication date |
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| CN109693220A (en) | 2019-04-30 |
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| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: You Danlei Inventor after: Zhao Mingshuang Inventor before: You Danlei |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A central line planning device with roller mechanism Effective date of registration: 20230207 Granted publication date: 20220218 Pledgee: Shanghai Bank Co.,Ltd. Suzhou Branch Pledgor: ACCU JIANGSU Co.,Ltd. Registration number: Y2023320010080 |
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