CN108582014B - Workpiece hole site marking tool - Google Patents
Workpiece hole site marking tool Download PDFInfo
- Publication number
- CN108582014B CN108582014B CN201810767810.8A CN201810767810A CN108582014B CN 108582014 B CN108582014 B CN 108582014B CN 201810767810 A CN201810767810 A CN 201810767810A CN 108582014 B CN108582014 B CN 108582014B
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- Prior art keywords
- needle
- punching needle
- limiting
- vertical
- rod
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- 238000004080 punching Methods 0.000 claims abstract description 40
- 239000000758 substrate Substances 0.000 claims abstract 4
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052721 tungsten Inorganic materials 0.000 claims description 4
- 239000010937 tungsten Substances 0.000 claims description 4
- 238000003754 machining Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005553 drilling Methods 0.000 description 11
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 210000003128 head Anatomy 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 210000000887 face Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B49/00—Measuring or gauging equipment on boring machines for positioning or guiding the drill; Devices for indicating failure of drills during boring; Centering devices for holes to be bored
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention relates to the technical field of tool fixtures and discloses a workpiece hole site marking tool which comprises a bottom plate, wherein a vertical supporting column is arranged on the bottom plate, a substrate is fixed between the upper ends of the supporting columns, a supporting plate is fixed at the middle part of each supporting column, a lifting plate is arranged above each supporting plate, the lifting plate is in sliding connection with each supporting column, a vertical screw rod is arranged at the center of each supporting plate, the screw rods are in threaded connection with the supporting plates, the upper ends of the screw rods are in rotary connection with the bottom surface of the lifting plate, a rotary handle is arranged at the lower end of each screw rod, a rotary seat is arranged at the lower side of the substrate, a vertical rotary shaft is arranged in each rotary seat, a limiting disc is arranged at the upper end of each rotary shaft, a horizontal support is arranged at the lower end of each rotary shaft, a laser pen is arranged in each first connecting sleeve, emitted light rays of the laser pen are perpendicular to the bottom plate, a vertical punching needle is arranged in each second connecting sleeve, a sliding sleeve is fixed at the bottom of each substrate, and a push rod is arranged in each sliding sleeve. The invention has the beneficial effects of convenient use and capability of improving the hole site machining precision of the workpiece.
Description
Technical Field
The invention relates to the technical field of tool fixtures, in particular to a workpiece hole site marking tool.
Background
The drilling operation is needed for connecting and assembling a plurality of workpieces with other parts, a numerical control machine tool, a machining center and the like are usually adopted for drilling the workpieces with very high precision requirements, however, the machining cost is high, especially for small batches or independent workpieces, the numerical control machine tool needs to modify the machining program every time, the machining cost is high, and the numerical control machine tool is adopted for machining holes under the condition that the precision requirements are not very strict, so that the drilling operation is obviously uneconomical, the cost is high on one hand, and the machining program needs to be modified every time on the other hand; as shown in fig. 10, the workpiece is made of 45# steel, and the connecting holes at the four corners are used for facilitating connection with other parts, so that the machining is obviously most economical and cost-effective by using a bench drill, and in order to improve the hole position accuracy when the bench drill is used for punching, a marking needle is usually used for marking a cross line on the surface of the workpiece, and when the bench drill is used for drilling, a drill bit is aligned with the center of the cross line. However, in the actual operation process, due to factors such as deviation of visual angles of naked eyes, the drill bit lacks guidance when contacting with the surface of the workpiece, so that deviation exists between the machined hole site and the marked position, and particularly when a plurality of hole sites are required to be machined on the workpiece, accumulated deviation exists among the plurality of hole sites, so that subsequent assembly of the workpiece is seriously affected.
Disclosure of Invention
The invention provides a workpiece hole position marking tool for solving the problem of low hole position precision when a workpiece passes through a bench drill for drilling in the prior art, and a guide hole is punched on the surface of the workpiece through the tool, and the guide hole has a guide effect on a drill bit, so that the hole position precision is greatly improved.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a work piece hole site mark frock, includes the bottom plate, all is equipped with vertical support column on four angles of bottom plate, be fixed with the base plate between the upper end of support column, the middle part of support column is fixed with the backup pad, the top of backup pad is equipped with the lifter plate, sliding connection between lifter plate and the support column, the center of backup pad is equipped with vertical screw rod, screw rod and backup pad between threaded connection, the upper end of screw rod and the bottom surface rotation connection of lifter plate, the lower extreme of screw rod is equipped with the twist grip, the downside of base plate is equipped with the rotation seat, the rotation seat in be equipped with vertical pivot, the upper end of pivot is equipped with the spacing dish, the side of spacing dish is located the both ends department of same diameter all is equipped with the spacing groove, the base plate top surface be equipped with spacing groove complex ball locating terminal, the lower extreme of pivot is equipped with the horizontal stand, the one end of horizontal stand is equipped with first adapter sleeve, the other end of horizontal stand is equipped with the second adapter sleeve, the axis parallel and about the axis symmetry of pivot distributes, the lower extreme of second adapter sleeve is equipped with the axis symmetry of pivot, be equipped with the stopper in the perpendicular adapter sleeve, the bottom plate is equipped with the perpendicular needle, when the needle is equipped with the bottom plate, the needle is equipped with the needle in the perpendicular adapter sleeve, the needle.
Firstly, sliding out of a cross line on the surface of a workpiece to be drilled by using a scriber, then placing the workpiece on the top surface of a lifting plate, rotating a handle, and adjusting the height of the lifting plate by using a screw rod so as to adjust the distance between the surface of the workpiece and the lower end of the scriber; the limiting disc is rotated to enable the first connecting sleeve to be coaxial with the ejector rod, the workpiece is moved to enable the intersection point of the cross line marks to be aligned with the laser beam emitted by the laser pen, the limiting disc is rotated for 180 degrees, the position right below the head of the punching needle is the intersection point of the cross line, then the hammer is used for lightly beating the limiting block, the head of the punching needle punches a guide hole at the cross line marks on the metal workpiece, the position accuracy of the guide hole is very high, the steps are repeated, all the cross line marks are punched to form the guide hole, the guide hole is the center point of the machining hole position, finally the workpiece is taken to the bench drill for drilling, and the guide hole has a guide effect on the drill bit when the workpiece is drilled, so that the axis of the drill bit is aligned with the axis of the hole to be machined, and the drilling accuracy of the workpiece is improved.
Preferably, a linear bearing is arranged at the lower end of the second connecting sleeve, the punching needle is in sliding connection with the linear bearing, a clamping ring is arranged at the upper end of the second connecting sleeve, the upper end of the punching needle penetrates through the clamping ring, a limiting convex ring is arranged at the position, located between the linear bearing and the limiting convex ring, of the punching needle, and a pressure spring is sleeved at the position, located between the linear bearing and the limiting convex ring, of the punching needle. After punching, the pressure spring is convenient for resetting the punching pin.
Preferably, the punching needle comprises a needle rod and a needle head, the upper end face of the needle rod is a spherical surface, a threaded hole is formed in the center of the lower end of the needle rod, a stud is arranged at the upper end of the needle head, the stud is in threaded connection with the threaded hole, the lower end of the needle head is conical, a limiting plane is arranged at the top of the lower end of the needle head, and a hemispherical boss is arranged in the center of the limiting plane. During punching, a small hemispherical hole is formed on the surface of the metal workpiece, the limiting plane is used for limiting, the punched hole is prevented from being oversized, and even if the external factors cause obvious deviation between the punched hole and the cross line, secondary punching cannot be affected.
Preferably, the punch needle is made of tungsten steel. The tungsten steel has high hardness and can be suitable for punching most metal workpieces.
Preferably, the edge of the top surface of the limit disc is provided with an annular convex edge, the side surface of the ejector rod is provided with an annular groove, the annular convex edge is clamped into the annular groove, and the corresponding part of the annular convex edge and one of the limit grooves is provided with an arc
Avoiding the notch; when the first connecting sleeve rotates to be coaxial with the ejector rod, the annular convex eave is clamped into the annular groove, and when the second connecting sleeve rotates to be coaxial with the ejector rod, the arc-shaped avoidance notch faces to the ejector rod, and the lower end of the ejector rod just contacts with the upper end of the punching needle. When the ejector rod is aligned with the laser pen, the ejector rod is limited by the annular convex eave, even if the hammer strikes the upper end of the ejector rod, the ejector rod cannot move, misoperation in the operation process is prevented from damaging the laser pen, and only when the punching needle moves to the position that the ejector rod is coaxial, an arc avoidance notch on the annular convex eave just moves to the annular groove, and then the ejector rod can be moved by striking the ejector rod by the hammer, so that a guide hole is punched on a metal workpiece; after punching, the hammer is separated from the ejector rod, the punching needle is reset, and when the limiting disc rotates 180 degrees, the annular convex eave is clamped into the annular groove again to limit the ejector rod.
Preferably, the upper end of the rotating shaft is fixedly provided with a handle, the bottom of the limiting disc is provided with an arc-shaped groove, the base plate is fixedly provided with a limiting column, and the limiting column extends into the arc-shaped groove. The handle is convenient for the rotation of the limiting disc, and the arc-shaped groove is matched with the limiting column and used for limiting the rotation area of the limiting disc.
Preferably, the screw is sleeved with a pre-tightening spring at a position between the supporting plate and the lifting plate. The pre-tightening spring plays a pre-tightening role.
Therefore, the invention has the beneficial effects of convenient use and capability of improving the processing precision of the hole site of the workpiece.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of the state of the punch needle when punching.
Fig. 3 is a top view of fig. 1.
Fig. 4 is a top view of fig. 2.
Fig. 5 is an enlarged schematic view of a portion of fig. 1.
Fig. 6 is an enlarged schematic view of a portion of fig. 5 at a.
Fig. 7 is a schematic structural view of the limiting plate.
Fig. 8 is a cross-hatched metal workpiece.
Fig. 9 is a metal workpiece after a pilot hole is punched by a pilot hole punching tool.
Fig. 10 is a view of the metal workpiece after final drilling by the bench drill.
In the figure: the device comprises a bottom plate 1, a support column 100, a lifting plate 101, a screw 102, a rotating handle 103, a pre-tightening spring 104, a support plate 2, a base plate 3, a rotating seat 4, a rotating shaft 5, a limiting disc 6, a limiting groove 60, an arc groove 61, an annular convex eave 62, an arc avoidance notch 63, a handle 7, a limiting column 8, a ball positioning terminal 9, a horizontal support 10, a first connecting sleeve 11, a second connecting sleeve 12, a laser pen 13, a punching needle 14, a punching needle rod 140, a punching needle head 141, a threaded hole 142, a stud 143, a limiting plane 144, a hemispherical boss 145, a sliding sleeve 15, a push rod 16, an annular groove 160, a limiting block 17, a linear bearing 18, a clamping ring 19, a limiting convex ring 20, a pressure spring 21, a workpiece 22 and a guide hole 23.
Detailed Description
The invention is further described with reference to the drawings and detailed description which follow:
the workpiece hole site marking tool as shown in fig. 1, 2, 3 and 5 comprises a bottom plate 1, vertical supporting columns 100 are arranged at four corners of the bottom plate, a base plate 3 is fixed between the upper ends of the supporting columns, a supporting plate 2 is fixed at the middle part of each supporting column, a lifting plate 101 is arranged above each supporting plate, the lifting plates are in sliding connection with the supporting columns, a vertical screw 102 is arranged at the center of each supporting plate, the screw is in threaded connection with the supporting plates, the upper ends of the screws are in rotary connection with the bottom surfaces of the lifting plates, a rotary handle 103 is arranged at the lower ends of the screws, and a pre-tightening spring 104 is sleeved at the part, located between each supporting plate and each lifting plate, of the screws; the lower side of the base plate is provided with a rotating seat 4, a vertical rotating shaft 5 is arranged in the rotating seat, the upper end of the rotating shaft is provided with a limiting disc 6, as shown in fig. 4 and 7, both ends of the side surface of the limiting disc 6, which are positioned at the same diameter, are provided with limiting grooves 60, the upper end of the rotating shaft 5 is fixedly provided with a handle 7, the bottom of the limiting disc is provided with an arc-shaped groove 61, the base plate is fixedly provided with a limiting column 8, and the limiting column extends into the arc-shaped groove; the base plate top surface is located one side of spacing dish and is equipped with ball locating terminal 9 with spacing groove complex, the lower extreme of pivot is equipped with horizontal support 10, the one end of horizontal support is equipped with first adapter sleeve 11, the other end of horizontal support is equipped with second adapter sleeve 12, first adapter sleeve, the axis of second adapter sleeve is parallel and about the axis symmetric distribution of pivot, be equipped with laser pen 13 in the first adapter sleeve, the head orientation bottom plate of laser pen, the light perpendicular to bottom plate that jets out of laser pen, be equipped with vertical punch pin 14 in the second adapter sleeve, sliding connection between punch pin and the second adapter sleeve, the bottom of base plate is fixed with sliding sleeve 15, be equipped with ejector pin 16 in the sliding sleeve, the upper end of ejector pin is equipped with stopper 17, when ball locating terminal and spacing groove complex, the axis of ejector pin is coaxial with the punch pin (or the axis of ejector pin is coaxial with the light beam that the laser pen jetted out).
As shown in fig. 5, a linear bearing 18 is arranged at the lower end of the inside of the second connecting sleeve 12, a punch pin is in sliding connection with the linear bearing, a clamping ring 19 is arranged at the upper end of the second connecting sleeve, the upper end of the punch pin penetrates through the clamping ring, a limiting convex ring 20 is arranged at the position, between the linear bearing and the limiting convex ring, of the punch pin, and a pressure spring 21 is sleeved at the position, between the linear bearing and the limiting convex ring, of the punch pin; as shown in fig. 6, the punch pin 14 includes a punch pin rod 140 and a punch pin head 141, the upper end surface of the punch pin rod is spherical, a threaded hole 142 is provided in the center of the lower end of the punch pin rod, a stud 143 is provided in the upper end of the punch pin head, the stud is in threaded connection with the threaded hole, the lower end of the punch pin head is cone-shaped, a limit plane 144 is provided at the top of the lower end of the punch pin head, a hemispherical boss 145 is provided in the center of the limit plane, and the punch pin head is made of tungsten steel.
As shown in fig. 7, the edge of the top surface of the limiting disc 6 is provided with an annular ledge 62, the side surface of the ejector rod 16 is provided with an annular groove 160, the annular ledge is clamped into the annular groove, an arc avoidance notch 63 is arranged at a position corresponding to one of the limiting grooves on the annular ledge, when the first connecting sleeve rotates to be coaxial with the ejector rod, the annular ledge is clamped into the annular groove, when the second connecting sleeve rotates to be coaxial with the ejector rod, the arc avoidance notch faces the ejector rod, and the lower end of the ejector rod just contacts with the upper end of the punching needle.
The principle of the invention is as follows, in combination with the accompanying drawings: as shown in fig. 8, firstly, a scribing needle slides out of a cross line mark on a workpiece 22 to be drilled, then the workpiece is moved to a lifting plate of a tool, a handle is rotated, the height of the lifting plate is adjusted through a screw rod, and the distance between the top surface of the workpiece and a punch needle is adjusted to be 5mm-10 mm; the limiting disc is rotated through the handle, so that the ball positioning terminal is matched with the limiting groove on the limiting disc, the first connecting sleeve is coaxial with the ejector rod, and at the moment, the annular groove 160 on the ejector rod 16 is limited by the annular convex eave and cannot move downwards, as shown in fig. 1 and 3, so that the damage to the laser pen caused by the fact that the hammer for misoperation strikes the ejector rod at the moment is prevented; the workpiece is moved, the intersection point of the cross lines is completely aligned with the laser beam emitted by the laser pen, the limiting disc is rotated for 180 degrees through the handle, at the moment, the intersection point of the cross lines is just under the head of the punching needle, the arc avoidance notch 63 on the annular convex eave just rotates to the annular groove, the lower end of the ejector rod is in contact with the upper end of the punching needle, as shown in fig. 2 and 4, the limiting block is lightly beaten by a hammer, a hemispherical boss on the punching needle punches a guide hole 25 at the cross line mark position on the surface of the workpiece, the position accuracy of the guide hole is very high, the steps are repeated, all the cross line positions are punched with the guide hole, as shown in fig. 9, finally, the workpiece is taken to the bench drill for drilling, and the guide hole has a guide effect on the drill bit, so that the axis of the drill bit is automatically and finely aligned with the axis of the hole to be processed, and finally the workpiece is obtained, as shown in fig. 10. The guide hole punched after the tool is used for marking the hole position, and the drill bit is guided during drilling, so that the drilling precision of the bench drill is greatly improved.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any of the inventions
On the basis of the description, in order to solve the basically same technical problems and realize basically same technical effects, simple changes, equivalent substitutions or modifications and the like are made, and all are covered in the protection scope of the invention.
Claims (4)
1. The utility model provides a work piece hole site mark frock, includes the bottom plate, characterized by, all be equipped with vertical support column on four angles of bottom plate, be fixed with the base plate between the upper end of support column, the middle part of support column is fixed with the backup pad, the top of backup pad is equipped with the lifter plate, sliding connection between lifter plate and the support column, the center of backup pad is equipped with vertical screw rod, screw thread connection between screw rod and the backup pad, the upper end of screw rod and the bottom surface of lifter plate rotate to be connected, the lower extreme of screw rod is equipped with the twist grip, the downside of base plate is equipped with the rotating seat, the rotating seat in be equipped with vertical pivot, the upper end of pivot is equipped with the spacing dish, the side of spacing dish is located the both ends department of same diameter all is equipped with the spacing groove, the base plate top surface be located one side of spacing dish be equipped with spacing groove complex ball location terminal, the lower extreme of pivot is equipped with the horizontal support, the one end of horizontal support is equipped with first adapter sleeve, the other end of horizontal support is equipped with the second adapter sleeve, the axis parallel and about the axis of pivot and the axis symmetry of pivot, be equipped with the needle punch pin and the vertical pin that is equipped with the position sleeve, the needle is equipped with the needle in the bottom plate of the two-stop collar, the needle punch pin is equipped with the vertical needle that is equipped with the needle in the tip punch pin, the needle that is equipped with the needle in the vertical needle;
the lower end of the inside of the second connecting sleeve is provided with a linear bearing, the punching needle is in sliding connection with the linear bearing, the upper end of the second connecting sleeve is provided with a clamping ring, the upper end of the punching needle penetrates through the clamping ring, a limiting convex ring is arranged at the position, located between the linear bearing and the limiting convex ring, of the punching needle, and a pressure spring is sleeved at the position, located between the linear bearing and the limiting convex ring, of the punching needle; the edge of the top surface of the limiting disc is provided with an annular convex edge, the side surface of the ejector rod is provided with an annular groove, the annular convex edge is clamped into the annular groove, and an arc-shaped avoidance notch is arranged at the position, corresponding to one of the limiting grooves, on the annular convex edge; when the first connecting sleeve rotates to be coaxial with the ejector rod, the annular convex eave is clamped into the annular groove, and when the second connecting sleeve rotates to be coaxial with the ejector rod, the arc-shaped avoidance notch faces the ejector rod, and the lower end of the ejector rod just contacts with the upper end of the punching needle;
the screw rod on be located the backup pad and lifter plate between the position cover be equipped with the pretension spring.
2. The workpiece hole site marking tool according to claim 1, wherein the punching needle comprises a punching needle rod and a punching needle head, the upper end face of the punching needle rod is a spherical surface, a threaded hole is formed in the center of the lower end of the punching needle rod, a stud is arranged at the upper end of the punching needle head, the stud is in threaded connection with the threaded hole, the lower end of the punching needle head is conical, a limiting plane is arranged at the top of the lower end of the punching needle head, and a hemispherical boss is arranged in the center of the limiting plane.
3. A workpiece hole site marking tool as claimed in claim 2 wherein said punch head is made of tungsten steel.
4. The workpiece hole site marking tool according to claim 1, wherein a handle is fixed at the upper end of the rotating shaft, an arc-shaped groove is formed in the bottom of the limiting disc, and a limiting column is fixed on the substrate and extends into the arc-shaped groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810767810.8A CN108582014B (en) | 2018-07-13 | 2018-07-13 | Workpiece hole site marking tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810767810.8A CN108582014B (en) | 2018-07-13 | 2018-07-13 | Workpiece hole site marking tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108582014A CN108582014A (en) | 2018-09-28 |
| CN108582014B true CN108582014B (en) | 2023-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810767810.8A Active CN108582014B (en) | 2018-07-13 | 2018-07-13 | Workpiece hole site marking tool |
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| CN (1) | CN108582014B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109604956B (en) * | 2018-12-15 | 2020-11-24 | 烟台大丰轴瓦有限责任公司 | High-precision bearing bush machining method without manual control |
| CN112620713A (en) * | 2020-12-22 | 2021-04-09 | 南昌市彦畅机电科技有限公司 | Intelligent aircraft skin hole-making production line |
| CN113523320B (en) * | 2021-07-30 | 2023-07-14 | 云南正成工精密机械有限公司 | Symmetrical spindle machining machine tool |
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