CN210254395U - Bolt hole drilling and positioning tool for high-pressure connecting pipe flange for pressure container - Google Patents
Bolt hole drilling and positioning tool for high-pressure connecting pipe flange for pressure container Download PDFInfo
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- CN210254395U CN210254395U CN201920930595.9U CN201920930595U CN210254395U CN 210254395 U CN210254395 U CN 210254395U CN 201920930595 U CN201920930595 U CN 201920930595U CN 210254395 U CN210254395 U CN 210254395U
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- flange
- upper die
- drilled
- bolt hole
- lower die
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Abstract
The drilling and positioning tool for the bolt hole for the high-pressure connecting pipe flange for the pressure container mainly comprises an upper die, a lower die and a circular base, wherein the cross section of the base is L-shaped and comprises a horizontal supporting part and a vertical connecting part; the upper part of the inner wall of the vertical connecting part is provided with a first connecting thread, the middle part of the inner wall is uniformly provided with a plurality of abutting blocks along the circumferential direction, and the lower part of the inner wall is provided with a second connecting thread; the upper die is uniformly provided with a plurality of upper die drill holes along the circumferential direction, and the lower die is uniformly provided with a plurality of lower die drill holes corresponding to the upper die drill holes along the circumferential direction; the drilling positioning tool is scientific in structural design, the flange to be drilled is firmly clamped, and cutting fluid is smoothly drained.
Description
Technical Field
The utility model relates to a pressure vessel is with high pressure connecting pipe flange field of making especially relates to pressure vessel is with bolt hole drilling location frock for high pressure connecting pipe flange.
Background
A Flange (Flange), also known as a Flange collar or Flange. The flange is a part for connecting the shafts and is used for connecting pipe ends; there are also flanges on the inlet and outlet of the device for the connection between two devices, and therefore also for the connection of the high-pressure connection of the pressure vessel.
The forging process of the high-pressure pipe flange for the pressure container generally comprises the following procedures of selecting high-quality steel billets for blanking, heating, forming, cooling after forging and drilling. Bolt hole drilling of flanges requires uniform bolt hole intervals and consistent bolt hole sizes, and drilling machines and drilling positioning devices are generally used for drilling.
The current drilling positioning device has the following problems:
1. the impact force is large during drilling, so that the flange is not firmly clamped, the flange moves during drilling, and the drilling precision is influenced;
2. the cutting fluid is not smooth to drain;
3. the drill jig hole is accidentally damaged by a drill bit in the drilling process.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome prior art not enough, provide a structural design science, it is firm to treat drilling flange centre gripping, and the unblocked pressure vessel of cutting fluid flowing back is with bolt hole drilling location frock for the high pressure connecting pipe flange.
For realizing the utility model provides the following technical scheme:
the drilling and positioning tool for the bolt hole for the high-pressure connecting pipe flange for the pressure container mainly comprises an upper die, a lower die and a circular base, wherein the cross section of the base is L-shaped and comprises a horizontal supporting part and a vertical connecting part; the upper part of the inner wall of the vertical connecting part is provided with a first connecting thread, the middle part of the inner wall is uniformly provided with a plurality of abutting blocks along the circumferential direction, and the lower part of the inner wall is provided with a second connecting thread; the upper die is uniformly provided with a plurality of upper die drill holes along the circumferential direction, the side wall of the upper die is provided with an upper connecting thread meshed with the first connecting thread of the vertical connecting part, and the center of the upper die is provided with a first pin shaft hole; the lower die is uniformly provided with a plurality of lower die drill holes corresponding to the upper die drill holes along the circumferential direction, the center of the lower die is provided with a second pin shaft hole, and the side wall of the lower die is provided with a lower connecting thread meshed with a second connecting thread of the vertical connecting part; the flange to be drilled is positioned between the upper die and the lower die, and the side wall of the flange to be drilled is abutted to the abutting block.
Further, the top of the base is provided with an inclined part which inclines downwards outwards from the center of the base.
Furthermore, through holes are uniformly formed in the side wall of the base between the abutting block and the abutting block.
Further, the diameter of the upper die drill hole is smaller than that of the lower die drill hole, and a drill hole sheath is further arranged in the upper die drill hole.
Furthermore, the contact surface between the abutting block and the flange to be drilled is arc-shaped and is attached to the flange to be drilled, and a buffer layer is arranged between the abutting block and the flange to be drilled.
And further, a pin shaft is arranged among the first pin shaft hole, the to-be-drilled flange center hole and the second pin shaft hole.
The utility model discloses an useful part:
firstly, the method comprises the following steps: the upper die, the lower die and the base are connected through threads, the flange to be drilled is preliminarily clamped in the vertical direction, and the abutting block is used for clamping the flange to be drilled in the horizontal direction;
secondly, the method comprises the following steps: the upper die, the lower die and the flange to be drilled are clamped again by the pin shaft, so that the clamping firmness of the flange to be drilled is good;
thirdly, the method comprises the following steps: the top of the base is provided with an inclined part which is beneficial to discharging the cutting fluid;
fourthly: through holes are uniformly formed in the side wall of the base between the abutting blocks, so that the cutting fluid is further discharged;
fifth, the method comprises the following steps: set up the drilling sheath in going up the mould drilling, prevent that the drill bit from damaging the mould drilling of going up.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1 is an upper die, 1.1 is an upper die drilling hole, 1.2 is an upper connecting thread, 1.3 is a first pin hole, 2 is a lower die, 2.1 is a lower die drilling hole, 2.2 is a lower connecting thread, 2.3 is a second pin hole, 3 is a base, 3.1 is a horizontal supporting part, 3.2 is a vertical connecting part, 3.2.1 is a first connecting thread, 3.2.2 is a resisting block, 3.2.3 is a second connecting thread, 3.3 is an inclined part, 4 is a drilling protective sleeve, 5 is a buffer layer, 6 is a pin shaft, and 7 is a flange to be drilled.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The bolt hole drilling and positioning tool for the high-pressure connecting pipe flange for the pressure container mainly comprises an upper die 1, a lower die 2 and a circular base 3, wherein the cross section of the base 3 is L-shaped and comprises a horizontal supporting part 3.1 and a vertical connecting part 3.2; the upper part of the inner wall of the vertical connecting part 3.2 is provided with a first connecting thread 3.2.1, the middle part of the inner wall is uniformly provided with a plurality of abutting blocks 3.2.2 along the circumferential direction, and the lower part of the inner wall is provided with a second connecting thread 3.2.3; the upper die 1 is uniformly provided with a plurality of upper die drill holes 1.1 along the circumferential direction, the side wall of the upper die 1 is provided with an upper connecting thread 1.2 meshed with a first connecting thread 3.2.1 of the vertical connecting part 3.2, and the center of the upper die 1 is provided with a first pin shaft hole 1.3; the lower die 2 is uniformly provided with a plurality of lower die drill holes 2.1 corresponding to the upper die drill holes 1.1 along the circumferential direction, the center of the lower die is provided with a second pin shaft hole 2.3, and the side wall of the lower die 2 is provided with a lower connecting thread 2.2 meshed with a second connecting thread 3.2.3 of the vertical connecting part 3.2; treat that drilling flange 7 is located between mould 1 and lower mould 2, treat that drilling flange 7 lateral wall offsets with supporting piece 3.2.2, 3 top settings of base lean out decurrent rake 3.3 by base 3 center, support piece 3.2.2 and support 3 lateral walls of base between the piece 3.2.2 and still evenly set up the through-hole (not mark in the picture), the diameter of going up mould drilling 1.1 is less than the diameter of lower mould drilling 2.1, still set up drilling sheath 4 in the mould drilling 1.1, support piece 3.2.2 and treat that the contact surface between the drilling flange 7 is the arc and with treat that drilling flange 7 laminates, support piece 3.2.2 and treat and still set up buffer layer 5 between the drilling flange 7, first round pin axle hole 1.3, treat and still set up round pin axle 6 between drilling flange 7 and the second round pin axle hole 2.3.
The working principle of the drilling positioning tool is as follows:
the diameter of a first pin shaft hole 1.3 of the upper die 1 and the diameter of a second pin shaft hole 2.3 of the lower die 2 are consistent with the diameter of a center hole of a flange 7 to be drilled, the lower die 2 is connected to the lower portion of the base 3, then the flange 7 to be drilled is installed, the upper die 1 is installed, the drilling sheath 4 is inserted into the upper die drilling hole 1.1, the upper die 1, the lower die 2 and the flange 7 to be drilled are further clamped tightly through the pin shaft 6, and then the base 3 is fixed on a drilling machine tool to drill holes.
The present invention is not limited to the bolt hole drilling positioning tool for the high-pressure pipe flange for the pressure vessel according to the above-mentioned embodiments, and those skilled in the art can make various changes according to the above-mentioned embodiments, but any changes equivalent or similar to the present invention are also intended to be covered by the scope of the present invention.
Claims (6)
1. High pressure is for flange bolt hole drilling location frock of adapter for pressure vessel, its characterized in that: the base is L-shaped in cross section and comprises a horizontal supporting part and a vertical connecting part; the upper part of the inner wall of the vertical connecting part is provided with a first connecting thread, the middle part of the inner wall is uniformly provided with a plurality of abutting blocks along the circumferential direction, and the lower part of the inner wall is provided with a second connecting thread; the upper die is uniformly provided with a plurality of upper die drill holes along the circumferential direction, the side wall of the upper die is provided with an upper connecting thread meshed with the first connecting thread of the vertical connecting part, and the center of the upper die is provided with a first pin shaft hole; the lower die is uniformly provided with a plurality of lower die drill holes corresponding to the upper die drill holes along the circumferential direction, the center of the lower die is provided with a second pin shaft hole, and the side wall of the lower die is provided with a lower connecting thread meshed with a second connecting thread of the vertical connecting part; the flange to be drilled is positioned between the upper die and the lower die, and the side wall of the flange to be drilled is abutted to the abutting block.
2. The pressure vessel is with bolt hole drilling location frock for high pressure connecting pipe flange of claim 1, its characterized in that: the top of the base is provided with an inclined part which inclines downwards outwards from the center of the base.
3. The pressure vessel is with bolt hole drilling location frock for high pressure connecting pipe flange of claim 1, its characterized in that: through holes are uniformly formed in the side wall of the base between the abutting block and the abutting block.
4. The pressure vessel is with bolt hole drilling location frock for high pressure connecting pipe flange of claim 1, its characterized in that: the diameter of the upper die drill hole is smaller than that of the lower die drill hole, and a drill hole sheath is further arranged in the upper die drill hole.
5. The pressure vessel is with bolt hole drilling location frock for high pressure connecting pipe flange of claim 1, its characterized in that: the contact surface between the abutting block and the flange to be drilled is arc-shaped and is attached to the flange to be drilled, and a buffer layer is arranged between the abutting block and the flange to be drilled.
6. The pressure vessel is with bolt hole drilling location frock for high pressure connecting pipe flange of claim 1, its characterized in that: and a pin shaft is further arranged among the first pin shaft hole, the to-be-drilled flange center hole and the second pin shaft hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920930595.9U CN210254395U (en) | 2019-06-20 | 2019-06-20 | Bolt hole drilling and positioning tool for high-pressure connecting pipe flange for pressure container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920930595.9U CN210254395U (en) | 2019-06-20 | 2019-06-20 | Bolt hole drilling and positioning tool for high-pressure connecting pipe flange for pressure container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210254395U true CN210254395U (en) | 2020-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920930595.9U Expired - Fee Related CN210254395U (en) | 2019-06-20 | 2019-06-20 | Bolt hole drilling and positioning tool for high-pressure connecting pipe flange for pressure container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210254395U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117817011A (en) * | 2024-03-05 | 2024-04-05 | 东方蓝天钛金科技有限公司 | Machining device and machining method for bolt open pin hole |
-
2019
- 2019-06-20 CN CN201920930595.9U patent/CN210254395U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117817011A (en) * | 2024-03-05 | 2024-04-05 | 东方蓝天钛金科技有限公司 | Machining device and machining method for bolt open pin hole |
| CN117817011B (en) * | 2024-03-05 | 2024-04-30 | 东方蓝天钛金科技有限公司 | Machining device and machining method for bolt open pin hole |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200407 |