CN213531767U - Round hole center point positioning device - Google Patents
Round hole center point positioning device Download PDFInfo
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- CN213531767U CN213531767U CN202021494506.XU CN202021494506U CN213531767U CN 213531767 U CN213531767 U CN 213531767U CN 202021494506 U CN202021494506 U CN 202021494506U CN 213531767 U CN213531767 U CN 213531767U
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Abstract
The utility model provides a positioning device for the center point of a circular hole, which comprises a positioning conical barrel component; the positioning cone barrel component is detachably arranged on the top cone and the bottom cone. The utility model discloses a round hole central point positioner can realize fast positioning the butt joint drilling of large-scale components of a whole that can function independently work piece, through the location voussoir in the drilling of the work piece that has accomplished the drilling fast accurate positioning corresponding another components of a whole that can function independently work piece need the position of the central point of drilling; the round hole center positioning device of the utility model can greatly save the calculated amount of processing and installing workers when installing the split workpieces, reduce the downtime of the drilling equipment and greatly improve the processing and installing efficiency of the split workpieces; the utility model discloses a round hole central point positioner each part all can be dismantled the installation, but device overall structure is simple and easy to maintain, but after the loss of parts such as location awl point quick replacement.
Description
Technical Field
The utility model belongs to the mechanical equipment field relates to industrial parts machining, concretely relates to round hole central point positioner.
Background
In the current production economic activities, various industries all need a large amount of mechanical equipment, and the requirements on the machining precision of the mechanical equipment are higher and higher. In addition, due to the demand of improving the productivity or efficiency, the current industrial equipment is large-sized and fine-sized, which is an important improvement way.
When large-scale mechanical equipment is installed, the whole equipment is usually too large and mostly has a complex structure, so that a large workpiece is usually machined by adopting a split casting or forging mode. During installation, the split bodies need to be punched, then the corresponding holes are aligned, and the split bodies are fixedly installed by using bolts or other methods.
In the installation process of the split workpieces of the large-scale mechanical equipment, the connection, installation and fixation of the split parts are generally required to be carried out through bolts or other modes. When in connection, the designed connection positions of the split workpieces are punched respectively, and then the split workpieces are fastened and installed through bolts or other modes. Punching is performed at a predetermined position according to a design drawing. However, due to the influence of positioning accuracy, actual machining errors and the like, a certain deviation exists between an actual punching position and a designed punching position, and the superposition of the errors of different split workpieces can cause the accumulation of errors, so that the bolt cannot be screwed up or even screwed in the process of connecting and fixing the bolt; or otherwise secured, may not be securely attached due to errors in the actual holes being machined. Furthermore, because the drill bit needs to be positioned during actual drilling, a worker usually needs to calculate and draw a central point on the surface of the split workpiece according to the drawing requirements and then drill, and the installation efficiency of the split workpiece is seriously affected. And still not eliminate the accumulated errors due to calculations and machining processes described above.
Therefore, at present, a device capable of quickly and accurately positioning the center point of the connection hole position of the split workpiece is particularly needed to solve the problem of low positioning efficiency of the center point of the connection hole position of the large split workpiece in the butt joint installation in the prior art.
Disclosure of Invention
To the not enough that exists among the prior art, the utility model aims to provide a round hole central point positioner to large-scale components of a whole that can function independently work piece connects the problem that drilling position central point location efficiency is low in the butt joint installation among the solution prior art.
In order to solve the technical problem, the application adopts the following technical scheme:
a positioning device for the center point of a circular hole comprises a positioning conical cylinder component;
the positioning cone barrel component is detachably arranged on the top cone and the bottom cone.
The utility model discloses still have following technical characteristic:
specifically, the tip cone comprises a cone tip nut, a thread section and a cone tip part;
the cone top screw cap, the thread section and the cone tip part are coaxially and fixedly arranged in sequence.
Specifically, the positioning cone cylinder assembly comprises a cone cylinder body and at least 3 groups of positioning wedge assemblies arranged on the cone cylinder body.
Specifically, the inner side of the upper part of the cone cylinder body is provided with an internal thread which is matched with the thread section, and the outer side of the upper part is provided with a multi-surface section;
the cone body also comprises a first cylinder section at the outer side of the middle part and a second cylinder section at the outer side of the lower part, and the outer diameter of the second cylinder section is smaller than that of the first cylinder section;
the first cylinder section and the second cylinder section are provided with wedge holes for mounting the positioning wedge assembly.
Specifically, the locating wedge assembly comprises a locating wedge block, a wedge block spring and a clamp which are sequentially installed on the cone body from inside to outside in the radial direction.
Specifically, the hoop is detachably mounted at the top of the second cylindrical section through a screw and at least comprises two sections which can be spliced into a circular ring;
the positioning wedge block comprises a wedge block inclined plane matched with the conical tip part, and a rectangular groove is formed in the opposite side of the wedge block inclined plane;
the wedge spring is arranged in the rectangular groove, and two sections of the wedge spring are respectively in non-fixed contact with the rectangular groove and the inner side of the hoop.
Specifically, the bottom cone assembly comprises a positioning cone tip and a cone tip protective cap which are arranged at the bottom of the second cylinder section;
the positioning conical tip is detachably arranged at the bottom of the second cylinder section through a screw.
Specifically, the conical tip protective cap is in clearance fit with the second cylindrical section;
the conical tip protective cap is provided with a U-shaped groove embedded with the positioning wedge block;
the conical tip protective cap is provided with at least one first through hole, and a screw is arranged on the second cylindrical section through the first through hole;
the bottom of the conical-tip protective cap is provided with a second through hole.
Specifically, the bottom cone assembly further comprises a cone tip spring;
one end of the conical tip spring is fixedly arranged at the bottom of the second cylinder section, and the other end of the conical tip spring is in contact with but not fixed with the conical tip protective cap;
the cone tip spring is sleeved outside the positioning cone tip in a non-contact manner.
Compared with the prior art, the utility model, profitable technological effect is:
the utility model discloses a round hole central point positioner can realize fast positioning the drilling that corresponds in the butt joint installation process of large-scale components of a whole that can function independently work piece, through the position voussoir in the drilling of the work piece that has accomplished the drilling fast accurate positioning on another components of a whole that can function independently work piece that corresponds need the position of the central point of drilling;
(II) the round hole center positioning device of the utility model can greatly save the calculated amount of the processing and installing workers when installing the split workpieces, reduce the downtime of the drilling equipment and greatly improve the processing and installing efficiency of the split workpieces;
(III) the utility model discloses a round hole central point positioner each part all can be dismantled the installation, but device overall structure is simple and easy to maintain, but after the loss of parts such as location awl point quick replacement.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the assembly structure of each component of the present invention;
FIG. 3 is a schematic view of the appearance and cross-sectional structure of the cone body of the present invention;
FIG. 4 is a schematic view of the front, top and cross-sectional structure of the cone tip cap of the present invention;
fig. 5a is a schematic view of the usage state of the present invention (the state of the central point of the bolt hole is not positioned);
fig. 5b is a schematic view of the usage status of the present invention (the status of the central point of the positioned bolt hole).
The meaning of the individual reference symbols in the figures is:
1-positioning cone barrel component, 2-tip cone and 3-base cone component;
11-a cone body and 12-a positioning wedge component;
111-internal thread, 112-polyhedral segment, 113-first cylinder segment, 114-second cylinder segment, 115-wedge hole;
121-positioning wedge block, 122-wedge block spring and 123-clamp;
1211-wedge bevel, 1212-rectangular groove;
21-conical top screw cap, 22-thread section, 23-conical tip;
31-positioning cone tip, 32-cone tip protective cap and 33-cone tip spring;
321-U-shaped groove, 322-first through hole, 323-second through hole.
The following examples are provided to explain the present invention in further detail.
Detailed Description
Obey above-mentioned technical scheme, following the present utility model discloses a specific embodiment, it needs to explain that the utility model discloses do not confine following specific embodiment to, all fall into the protection scope of the utility model to the equivalent transform of doing on the basis of this application technical scheme. The present invention will be described in further detail with reference to examples.
Example (b):
the embodiment provides a circular hole center point positioning device, which comprises a positioning conical cylinder assembly 1 as shown in fig. 1-4;
the device also comprises a top cone 2 and a bottom cone component 3 which are respectively detachably arranged at two ends of the positioning cone cylinder component 1. The positioning cone barrel assembly 1 is used for installing an upper cone 2 from the top end and a lower cone assembly 3 from the bottom end.
As a specific solution of this embodiment, the tip cone 2 of this embodiment includes a cone tip nut 21, a thread section 22 and a cone tip portion 23;
the conical top screw cap 21, the thread section 22 and the conical tip part 23 are coaxially and fixedly arranged in sequence.
As a specific solution of this embodiment, the positioning cone assembly 1 includes a cone body 11 and 3 sets of positioning wedge assemblies 12 mounted on the cone body 11.
The positioning wedge component 12 is arranged in the positioning cone component 1, and is extruded and pushed outwards in the radial direction by screwing the cone tip part 23 of the tip cone 2 into the cone body 11. After the positioning wedge assembly 12 is pushed outwards to a certain extent, the positioning wedge 121 abuts against the inner wall of the drilled bolt hole, so that the positioning cone tip 31 of the bottom cone assembly 3 is aligned with the central point of the position of the workpiece to be drilled.
As a preferred solution of this embodiment, the detent wedge assemblies 12 can also be selected to be 4 sets or more.
The locating wedge assemblies 12 of the present embodiment may be selected from three or four sets or more to ensure that the center points of the bolt holes of the non-punched workpiece are accurately located by more locating wedge assemblies 12.
As a specific scheme of this embodiment, the inner side of the upper portion of the cone body 11 of this embodiment is provided with an internal thread 111 installed in cooperation with the thread section 22, and the outer side of the upper portion is provided with a multi-surface section 112;
the multi-surface section 112 is used for being matched with the conical top nut 21 to be screwed and loosened, so that the central point of the bolt hole of the workpiece to be punched is accurately positioned and is not loosened, and the workpiece to be punched can be quickly disassembled by tools such as a wrench after positioning is finished.
The cone body 11 further comprises a first cylindrical section 113 outside the middle part and a second cylindrical section 114 outside the lower part, and the outer diameter of the second cylindrical section 114 is smaller than that of the first cylindrical section 113;
the portion of second cylindrical section 114 having an outer diameter less than that of first cylindrical section 113 is used to mount collar 123 and end cone assembly 3 that define the position of detent wedge assembly 12
First and second cylinder segments 113 and 114 are provided with wedge apertures 115 for receiving detent wedge assemblies 12.
The wedge holes on the first cylinder section 113 and the second cylinder section 114 are used for installing the positioning wedge assembly 12, and ensure that the positioning wedge block can horizontally extend out, thereby ensuring that the center point of the bolt hole of the workpiece to be punched is accurately positioned.
As a specific solution of this embodiment, the positioning wedge assembly 12 of this embodiment includes a positioning wedge 121, a wedge spring 122 and a clamp 123 that are installed on the cone body 11 in sequence from inside to outside in the radial direction.
The positioning wedge block 121 is directly used for being extruded by the conical tip part 23 of the tip cone 2 and extending out of the wedge hole 115 to tightly push against the punched workpiece, so that the positioning device for the center point of the circular hole of the embodiment is ensured to be accurately coaxial with the bolt hole of the punched workpiece. Wedge spring 122 is used for one end to push up clamp 123, and one end pushes up location voussoir 121, ensures after accomplishing the central point location, and after loosening the awl point portion 23 of apex cone 2, location voussoir 121 can kick-back to initial position.
As a specific solution of this embodiment, the clamp 123 of this embodiment is detachably mounted on the top of the second cylindrical section 114 by screws, and includes two sections that can be spliced into a circular ring;
the clip 123 serves to limit the maximum protruding position of the positioning wedge 121 and to provide a tightening position of the wedge spring 122.
As a preferable scheme of this embodiment, the clamp 123 of this embodiment may also be selected as three segments that can be spliced into a circular ring;
the positioning wedge 121 comprises a wedge inclined surface 1211 matched with the conical tip part 23, and a rectangular groove 1212 is formed on the opposite side of the wedge inclined surface 1211;
the wedge spring 122 is mounted in the rectangular groove 1212, and two sections are in non-fixed contact with the inner sides of the rectangular groove 1212 and the clip 123, respectively.
The rectangular slot 1212 is used to provide a mounting location for the wedge spring 122.
As a specific solution of this embodiment, the bottom cone assembly 3 of this embodiment includes a positioning cone tip 31 and a cone tip protective cap 32 mounted at the bottom of the second cylindrical section 114;
the positioning cone tip 31 is detachably mounted to the bottom of the second cylindrical section 114 by screws.
The positioning conical tip 31 is used for striking a central point positioning mark on the surface of a workpiece to be punched after the positioning wedge block 121 extends out to tightly push against the inner wall of a bolt hole of the workpiece to be punched, so that the central point of punching can be positioned and subjected to tool setting when subsequent punching is ensured. The positioning conical point 31 needs to be replaced periodically due to the fact that marks need to be hit, and the positioning conical point 31 is replaced through the loose and tight bolts.
As a specific solution of this embodiment, the conical tip protection cap 32 of this embodiment is in clearance fit with the second cylindrical section 114;
the cone-tip protective cap 32 is provided with a U-shaped groove 321 for embedding the positioning wedge block 121;
the cone tip protective cap 32 is provided with a first through hole 322, and a screw is arranged on the second cylinder section 114 through the first through hole 322;
the bottom of the conical tip protective cap 32 is provided with a second through hole 323.
The cone tip cap 32 defines an up and down movement position by means of the through hole 322 and a bolt mounted on the second cylindrical section 114 through the through hole 322. The cone tip protective cap 32 is provided with a U-shaped groove 321, so that when the cone tip protective cap 32 moves up and down, the positioning wedge block 121 can still extend out smoothly. When the cone tip protection cap 32 moves to the highest point, the second through hole 323 formed in the bottom of the cone tip protection cap 32 can enable the positioning cone tip 31 to extend out of the cone tip protection cap 32, and when the cone tip protection cap 32 moves to the lowest point, the positioning cone tip 31 can be hidden, so that the positioning cone tip 31 is protected from leaving marks on the surface of a workpiece which is not punched when the positioning wedge block 121 is not tightly pressed against the inner wall of the workpiece which is punched, and the positioning of a central point is interfered.
As a specific solution of this embodiment, the bottom cone assembly 3 of this embodiment further includes a cone tip spring 33;
one end of the conical tip spring 33 is fixedly arranged at the bottom of the second cylinder section 114, and the other end of the conical tip spring is in contact with but not fixed with the conical tip protective cap 32;
the cone tip spring 33 is sleeved outside the positioning cone tip 31 without contact.
The cone tip spring 33 is sleeved outside the positioning cone tip 31, and the extension of the positioning cone tip 31 is not influenced. The upper part of the cone tip spring 33 is installed at the bottom of the second cylinder section 114 of the cone body 11, and the lower part of the cone tip spring tightly props against the bottom of the inner side of the cone tip protective cap 32, so that the positioning cone tip 31 is ensured not to leave marks on the surface of the workpiece which is not punched when the positioning wedge 121 is not tightly propped against the inner wall of the workpiece which is punched, and the positioning of the central point is interfered.
The components of a whole that can function independently of this embodiment adopt the bolt to connect, and the butt joint hole that the components of a whole that can function independently corresponds needs to use drilling equipment to punch, then adopts the bolt to install in the butt joint hole that corresponds between two adjacent work pieces.
The utility model discloses a round hole central point positioner's use and working process are shown as 5a and 5b to can go on through as follows the mode:
calculating according to a drawing and a designed bolt connecting position, calibrating drilling positions of all bolt holes of one of two adjacent split workpieces needing bolt connection, and drilling by using drilling equipment;
step two, butting the two split workpieces, and adjusting the butting and stagger joint of the split workpieces by using gravity or other clamping equipment to reduce the butting and stagger joint of the two split workpieces as much as possible so as to meet the requirement of machining and mounting precision;
the step of the staggered joint is the deviation of the butt joint contact part of the adjacent split machine shell parts caused by the insufficient butt joint precision of the split workpieces of the two adjacent parts in the butt joint installation process of the split workpieces, and the larger the deviation is, the larger the staggered joint is;
step three, will the utility model discloses put into the bolt hole that has beaten, rotatory apical cone 2's conical tip nut 21 makes apical cone 2's awl point portion 23 extrusion location voussoir 121, and the bolt hole inner wall that has beaten is hugged closely until all location voussoir 121. Knocking a cone top nut 21 of a top cone 2 by using a heavy object such as a hammer to enable the positioning cone barrel assembly 1 to integrally move downwards, enabling a positioning cone tip 31 arranged at the bottom of a cone barrel body 11 to extend out of a cone tip protective cap 32, and knocking a dent on the surface of an adjacent split workpiece which is not punched, wherein the dent is the central point of a bolt hole of the split workpiece which is not punched;
fourthly, the conical top nut 21 of the top cone 2 is rotated reversely, so that the conical tip part 23 of the top cone 2 is far away from the positioning wedge blocks 121 until all the positioning wedge blocks 121 are far away from the inner walls of the punched bolt holes, and the device of the utility model is taken down;
step five: and repeating the third step and the fourth step to complete the positioning of the bolt hole center points which need to be correspondingly punched on all the adjacent split workpieces.
Step six: the utility model discloses a device needs to be maintained after using a period, carries out the axiality to each part and rectifies, changes the location awl point 31 of wearing and tearing.
The split workpieces of the embodiment can also be mounted in other modes such as riveting and the like on the corresponding butt joint holes between the two adjacent workpieces.
Claims (9)
1. A circular hole center point positioning device is characterized by comprising a positioning cone assembly (1);
the device is characterized by further comprising a top cone (2) and a bottom cone component (3) which are detachably mounted at two ends of the positioning cone barrel component (1).
2. The round hole center point positioning device according to claim 1, wherein the tip cone (2) comprises a cone tip nut (21), a thread section (22) and a cone tip part (23);
the conical top screw cap (21), the thread section (22) and the conical tip part (23) are sequentially and coaxially fixedly installed.
3. The circular hole center point positioning device according to claim 2, wherein the positioning cone assembly (1) comprises a cone body (11) and at least 3 sets of positioning wedge assemblies (12) mounted on the cone body (11).
4. The round hole center point positioning device according to claim 3, wherein the inner side of the upper part of the cone body (11) is provided with an internal thread (111) which is matched and installed with the thread section (22), and the outer side of the upper part is provided with a multi-surface section (112);
the cone body (11) further comprises a first cylindrical section (113) on the outer side of the middle part and a second cylindrical section (114) on the outer side of the lower part, and the outer diameter of the second cylindrical section (114) is smaller than that of the first cylindrical section (113);
the first cylinder section (113) and the second cylinder section (114) are provided with wedge holes (115) for installing the positioning wedge assembly (12).
5. The round hole center point positioning device according to claim 4, wherein the positioning wedge assembly (12) comprises a positioning wedge (121), a wedge spring (122) and a clamp (123) which are sequentially arranged on the cone body (11) from inside to outside in the radial direction.
6. The round hole center point positioning device as claimed in claim 5, wherein said clip (123) is detachably mounted on the top of said second cylindrical section (114) by means of screws and comprises at least two sections which can be spliced into a ring;
the positioning wedge block (121) comprises a wedge block inclined surface (1211) matched with the conical tip part (23), and a rectangular groove (1212) is formed in the opposite side of the wedge block inclined surface (1211);
the wedge spring (122) is arranged in the rectangular groove (1212), and two sections of the wedge spring are respectively in non-fixed contact with the inner sides of the rectangular groove (1212) and the clamp (123).
7. The round hole center point positioning device as claimed in claim 5, wherein said bottom cone assembly (3) comprises a positioning cone tip (31) and a cone tip cap (32) mounted on the bottom of said second cylindrical section (114);
the positioning conical tip (31) is detachably arranged at the bottom of the second cylinder section (114) through a screw.
8. The device for locating the center point of a circular hole as claimed in claim 7, wherein said cone tip cap (32) is in clearance fit with said second cylindrical section (114);
the conical tip protective cap (32) is provided with a U-shaped groove (321) embedded with the positioning wedge block (121);
the conical tip protective cap (32) is provided with at least one first through hole (322), and a screw is arranged on the second cylindrical section (114) through the first through hole (322);
the bottom of the conical-tip protective cap (32) is provided with a second through hole (323).
9. The circular hole center point locating device of claim 7, wherein the bottom cone assembly (3) further comprises a cone tip spring (33);
one end of the conical tip spring (33) is fixedly arranged at the bottom of the second cylinder section (114), and the other end of the conical tip spring is in contact with the conical tip protective cap (32) but is not fixed;
the cone tip spring (33) is sleeved outside the positioning cone tip (31) in a non-contact manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021494506.XU CN213531767U (en) | 2020-07-24 | 2020-07-24 | Round hole center point positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021494506.XU CN213531767U (en) | 2020-07-24 | 2020-07-24 | Round hole center point positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213531767U true CN213531767U (en) | 2021-06-25 |
Family
ID=76487157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021494506.XU Active CN213531767U (en) | 2020-07-24 | 2020-07-24 | Round hole center point positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213531767U (en) |
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2020
- 2020-07-24 CN CN202021494506.XU patent/CN213531767U/en active Active
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