CN111390618A - Novel general valve body frock - Google Patents
Novel general valve body frock Download PDFInfo
- Publication number
- CN111390618A CN111390618A CN201910810298.5A CN201910810298A CN111390618A CN 111390618 A CN111390618 A CN 111390618A CN 201910810298 A CN201910810298 A CN 201910810298A CN 111390618 A CN111390618 A CN 111390618A
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- CN
- China
- Prior art keywords
- positioning
- connecting plate
- disc
- valve body
- compression
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000006835 compression Effects 0.000 claims abstract description 56
- 238000007906 compression Methods 0.000 claims abstract description 56
- 238000003825 pressing Methods 0.000 claims description 12
- 238000003754 machining Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 7
- 238000005452 bending Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/12—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/10—Devices for clamping workpieces of a particular form or made from a particular material
Abstract
The invention discloses a novel universal valve body tool, which comprises a lower connecting plate, a positioning disc, an upper connecting plate and a connecting disc which are sequentially connected and fixed, wherein the lower connecting plate and the upper connecting plate are oppositely arranged; the positioning disc is provided with a connecting hole matched with a fixing piece on the lathe, the lower connecting plate is provided with a positioning mandrel, the positioning mandrel is connected with the lower connecting plate, the upper connecting plate is provided with a compression screw, the compression screw is in threaded connection with the upper connecting disc, the compression screw is provided with a compression disc towards one end of the accommodating space, the compression disc is connected with the compression screw, and the connecting disc is provided with an avoiding hole. The invention provides a novel universal valve body tool which has the advantages of fast workpiece assembling and disassembling, high positioning precision and the like.
Description
Technical Field
The invention relates to the field of clamps, in particular to a novel universal valve body tool.
Background
At present, in the field of valve machining, according to the characteristics of valve body products of valves, most machining equipment used by various valve factories and having highest efficiency are lathes and machining centers, and factors such as production scale, batch, equipment cost and cutter cost are comprehensively considered, so that the lathes are more widely applied. When a lathe is used for production and processing, a four-claw clamping method or a right-angle bent plate clamping method is generally used; clamping with a four-jaw chuck: when single pieces are produced in small batches, the four-jaw chuck is directly used for clamping, the clamping alignment efficiency is low, the clamping is unreliable, parts are easy to be damaged, and the parts deform after being machined and disassembled; and (3) positioning and clamping a right-angle bent plate: the frock processing degree of difficulty is big because of the frock design is unreasonable to cause, and the frock is dismantled inefficiency down, and product part handling efficiency is low, is difficult to guarantee product shape, position tolerance required precision when the counter weight balance goes wrong, damages equipment easily.
Chinese patent application publication No. CN201783656U, published as 2011, 04/06/2011, entitled "jig for turning end faces of flanges of valve bodies of flanged gate valves", discloses a jig for turning end faces of flanges of valve bodies of flanged gate valves, which is characterized by comprising a right-angle bent plate, an elastic positioning support assembly arranged on a horizontal plate of the right-angle bent plate and used for placing a valve body, and a pneumatic pressure head assembly arranged on a straight plate of the right-angle bent plate connected with a main shaft and used for pressing down the valve body, wherein the elastic positioning support assembly is composed of a valve body support block, a clamping plate, a spring sleeve, a spring, a bolt and an adjusting nut, and the bolt penetrates through a bolt through hole of a valve body support block and the spring, penetrates out of a bottom through hole of the spring sleeve, and is fixed by; the pneumatic pressure head assembly consists of a cylinder, a bearing connector, a connecting rod, a bending pull arm, a pressure head frame and a pressure head, wherein one square head end of the bending pull arm is inserted into a square hole of the pressure head, the other end of the bending pull arm is hinged with the connecting rod and connected to a piston rod, and the top end of the bending angle of the bending pull arm is hinged on the pressure head frame. However, the patent still uses a right-angle bending plate tool, and the problems still exist: the tool is low in disassembly efficiency, the assembly and disassembly efficiency of product parts is low, the requirements on the product shape and the position tolerance precision are difficult to guarantee when the balance weight is in a problem, and equipment is easy to damage.
Disclosure of Invention
The invention provides a novel universal valve body tool for overcoming the problems of low tool positioning precision and inconvenience in clamping in the prior art, and the novel universal valve body tool has the advantages of fast workpiece assembling and disassembling, high positioning precision and the like.
In order to achieve the purpose, the invention adopts the following technical scheme:
a novel universal valve body tool comprises a lower connecting plate, a positioning disc, an upper connecting plate and a connecting disc which are sequentially connected and fixed, wherein the lower connecting plate and the upper connecting plate are oppositely arranged, the positioning disc and the connecting disc are oppositely arranged and are arranged between the lower connecting plate and the upper connecting plate, and an accommodating space is defined by the connecting plate, the positioning disc, the upper connecting plate and the connecting disc; the positioning disc is provided with a connecting hole matched with a fixing piece on the lathe, the lower connecting plate is provided with a positioning mandrel, the positioning mandrel is connected with the lower connecting plate, the upper connecting plate is provided with a compression screw, the compression screw is in threaded connection with the upper connecting disc, the compression screw is provided with a compression disc towards one end of the accommodating space, the compression disc is connected with the compression screw, and the connecting disc is provided with an avoiding hole.
Among the above-mentioned technical scheme, lower connecting plate, positioning disk, upper junction plate and connection pad pass through the bolt reciprocal anchorage, strictly guarantee the installation accuracy during the installation. The positioning core shaft is matched with the valve body, and the positioning disc and the positioning core shaft clamp the valve body together. The upper connecting plate and the lower connecting plate play roles in positioning and connecting, and simultaneously play a role in eliminating unbalance force by punching the hole. The lower connecting plate, the positioning disc, the upper connecting plate and the connecting disc are processed in a split mode, the processing difficulty is greatly reduced, the requirements of the shape and the position tolerance of parts can be met through grinding, and the tool precision after combination is guaranteed. When the tool is used, the positioning disc is fixed on a lathe, the valve body is placed into the accommodating space, one end of the valve body is in contact with the positioning mandrel and is positioned, the other end of the valve body is in contact with the positioning disc, and then the compression screw is screwed down to enable the positioning disc to compress the valve body, so that installation can be realized. And the lathe tool penetrates through the avoiding hole to install the valve body.
Preferably, the connecting disc is provided with an anti-rotation device, and the anti-rotation device is arranged in the avoiding hole and fixed on the side wall of the avoiding hole. The valve body needs to be turned on one end face of the valve body through a lathe, and an inner hole of the valve body is machined. The anti-rotation device is in contact with a part to be machined on the valve body, so that the pressure of a cutter on the valve body during machining can be offset, the deformation of the valve body during machining is reduced, and the machining precision is increased. The anti-rotation device is arranged in the avoiding hole, so that the tool structure is more compact.
Preferably, the rotation preventing device comprises a fixed positioning block, a sliding positioning block and a telescopic spring, the fixed positioning block is fixed to the connecting disc, a sliding groove is formed in the fixed positioning block, the sliding positioning block is matched with the sliding groove and is in sliding connection with the fixed positioning block, one end of the telescopic spring is connected with the fixed positioning block, and the other end of the telescopic spring is connected with the sliding positioning block. When the valve body is installed, the sliding positioning block can be pulled open, and the valve body is convenient to install.
Preferably, the lower connecting plate is provided with a positioning pin, and the lower connecting plate is positioned with the positioning disc and the connecting disc through the positioning pin; the upper connecting plate is provided with a positioning pin, and the upper connecting plate is positioned with the positioning disc and the connecting disc through the positioning pin. The locating pin can guarantee the installation accuracy when the frock is assembled to guarantee the machining precision of valve body.
Preferably, the lower connecting plate is provided with a positioning hole, one end of the positioning mandrel is matched with the positioning hole, and the lower connecting plate is detachably connected with the positioning mandrel. The lower connecting plate and the positioning mandrel can be connected through bolts, interference fit can be achieved through a proper amount of interference between the positioning holes and the positioning mandrel, and the positioning holes can be directly in threaded connection with the positioning mandrel. The positioning core shaft can be replaced according to the specific size of the valve body model, the coincidence of the rotation center of the valve body and the axis of the connecting hole of the positioning disc is guaranteed, and the machining precision is guaranteed.
Preferably, the upper connecting plate is provided with a compression nut matched with the compression screw, the compression nut is fixed with the upper connecting plate, and the compression screw is connected with the upper connecting plate through the compression nut. The structure can reduce the processing degree of difficulty of upper junction plate. Because the nut and the compression screw frequently move relatively, abrasion is generated, the structure can also facilitate the independent replacement of the compression nut, and the replacement cost is reduced.
Preferably, an avoiding counter bore is formed in one end, facing the valve body, of the pressing disc. When the compressing disc compresses the valve body, the sealing surface on the valve body can be avoided, and the sealing surface is protected from being damaged.
Preferably, the pressing plate is rotatably connected with the pressing screw. The pressing plate is sleeved on the pressing screw and can rotate on the pressing screw relatively, and the pressing plate is connected with the pressing screw through a bolt or a clamp spring to avoid separation. The structure can avoid compressing tightly the surface production relative motion of dish and valve body when compressing tightly, prevents to compress tightly the dish and abrade the valve body.
Preferably, the compression screw is arranged coaxially with the positioning mandrel and the compression screw is arranged coaxially with the compression disc. The structure can ensure that the pressing disc can deviate as little as possible when pressing the valve body, thereby increasing the processing precision.
The invention has the beneficial effects that: (1) the combined tool clamp has low processing difficulty and low cost of tool parts; (2) the tool can realize quick replacement of the tool and quick assembly and disassembly of workpieces, and has high positioning precision; (3) the unbalanced force generated when the equipment drives the tool and the workpiece to rotate can be eliminated.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a cross-sectional view of the present invention.
In the figure: the anti-rotation device comprises a lower connecting plate 1, a positioning hole 1.1, a positioning disc 2, a connecting hole 2.1, an upper connecting plate 3, a connecting disc 4, an avoiding hole 4.1, a containing space 5, a positioning mandrel 6, a compression screw 7, a compression disc 8, an avoiding counter bore 8.1, a compression nut 9, an anti-rotation device 10, a fixed positioning block 10.1, a sliding positioning block 10.2, a sliding groove 10.2.1, a telescopic spring 10.3, a positioning pin 11 and a valve body 12.
Detailed Description
The invention is further described with reference to the following figures and specific embodiments.
Example 1:
as shown in fig. 1 and 2, the novel universal valve body tool comprises a lower connecting plate 1, a positioning disc 2, an upper connecting plate 3 and a connecting disc 4 which are sequentially connected and fixed, wherein the lower connecting plate 1 and the upper connecting plate 3 are oppositely arranged, the positioning disc 2 and the connecting disc 4 are oppositely arranged and arranged between the lower connecting plate 1 and the upper connecting plate 3, a positioning pin 11 is arranged on the lower connecting plate 1, and the lower connecting plate 1 is positioned with the positioning disc 2 and the connecting disc 4 through the positioning pin 11 and is fixed through a bolt; the upper connecting plate 3 is provided with a positioning pin 11, and the upper connecting plate 3 is positioned with the positioning disc 2 and the connecting disc 4 through the positioning pin 11 and is fixed through a bolt; the connecting plate, the positioning plate 2, the upper connecting plate 3 and the connecting plate 4 enclose an accommodating space 5; a connecting hole 2.1 matched with a fixing piece on a lathe is formed in the positioning disc 2, a positioning mandrel 6 and a positioning hole 1.1 are formed in the lower connecting plate 1, and one end of the positioning mandrel 6 is matched with the positioning hole 1.1 and is connected with the positioning hole through threads; a compression nut 9 and a compression screw 7 are arranged on the upper connecting plate 3, the compression nut 9 is fixed with the upper connecting plate 3, the compression screw 7 is connected with the upper connecting plate 3 through the compression nut 9, a compression disc 8 is arranged at one end, facing the accommodating space 5, of the compression screw 7, the compression disc 8 is rotatably connected with the compression screw 7, and an avoidance counter bore 8.1 is arranged at one end, facing the valve body 12, of the compression disc 8; the compression screw 7 is coaxially arranged with the positioning mandrel 6, and the compression screw 7 is coaxially arranged with the compression disc 8; be equipped with on connection pad 4 and dodge hole 4.1 and anti-rotating device 10, anti-rotating device 10 includes fixed positioning piece 10.1, slide positioning piece 10.2 and expanding spring 10.3, fixed positioning piece 10.1 passes through the bolt fastening on dodging the lateral wall of hole 4.1, be equipped with spout 10.2.1 on the fixed positioning piece 10.1, slide positioning piece 10.2 and spout 10.2.1 adaptation and with fixed positioning piece 10.1 sliding connection, expanding spring 10.3's one end is connected with fixed positioning piece 10.1, expanding spring 10.3's the other end is connected with slide positioning piece 10.2.
Among the above-mentioned technical scheme, lower connecting plate 1, positioning disk 2, upper junction plate 3 and connection pad 4 pass through the bolt reciprocal anchorage, strictly guarantee the installation accuracy during the installation. The positioning mandrel 6 is matched with the valve body 12, and the positioning disc 2 and the positioning mandrel 6 clamp the valve body 12 together. The upper connecting plate 3 and the lower connecting plate 1 play roles in positioning and connecting, and play a role in balancing weight and eliminating unbalance force through punching. The lower connecting plate 1, the positioning disc 2, the upper connecting plate 3 and the connecting disc 4 are processed in a split mode, the processing difficulty is greatly reduced, the requirements of the shape and the position tolerance of parts can be met through grinding, and the tool precision after combination is guaranteed. When the tool is used, the positioning disc 2 is fixed on a lathe, the valve body 12 is placed into the accommodating space 5, one end of the valve body 12 is in contact with the positioning core shaft 6 and is positioned, the other end of the valve body 12 is in contact with the positioning disc 2, then the compression screw 7 is screwed, the positioning disc 2 compresses the valve body 12, and installation can be achieved. The lathe tool passes through the avoidance hole 4.1 to install the valve body 12.
The invention has the beneficial effects that: the combined tool clamp has low processing difficulty and low cost of tool parts; the tool can realize quick replacement of the tool and quick assembly and disassembly of workpieces, and has high positioning precision; the unbalanced force generated when the equipment drives the tool and the workpiece to rotate can be eliminated.
Claims (9)
1. A novel universal valve body tool is characterized by comprising a lower connecting plate, a positioning disc, an upper connecting plate and a connecting disc which are sequentially connected and fixed, wherein the lower connecting plate and the upper connecting plate are oppositely arranged; the positioning disc is provided with a connecting hole matched with a fixing piece on the lathe, the lower connecting plate is provided with a positioning mandrel, the positioning mandrel is connected with the lower connecting plate, the upper connecting plate is provided with a compression screw, the compression screw is in threaded connection with the upper connecting disc, the compression screw is provided with a compression disc towards one end of the accommodating space, the compression disc is connected with the compression screw, and the connecting disc is provided with an avoiding hole.
2. The novel universal valve body tool according to claim 1, wherein the connecting disc is provided with an anti-rotation device, and the anti-rotation device is arranged in the avoiding hole and fixed on the side wall of the avoiding hole.
3. The novel universal valve body tool according to claim 2, wherein the rotation preventing device comprises a fixed positioning block, a sliding positioning block and a telescopic spring, the fixed positioning block is fixed to the connecting plate, a sliding groove is formed in the fixed positioning block, the sliding positioning block is matched with the sliding groove and is in sliding connection with the fixed positioning block, one end of the telescopic spring is connected with the fixed positioning block, and the other end of the telescopic spring is connected with the sliding positioning block.
4. The novel universal valve body tool according to claim 1, wherein the lower connecting plate is provided with a positioning pin, and the lower connecting plate is positioned with the positioning disc and the connecting disc through the positioning pin; the upper connecting plate is provided with a positioning pin, and the upper connecting plate is positioned with the positioning disc and the connecting disc through the positioning pin.
5. The novel universal valve body tool as claimed in claim 1, 2, 3 or 4, wherein the lower connecting plate is provided with a positioning hole, one end of the positioning mandrel is matched with the positioning hole, and the lower connecting plate is detachably connected with the positioning mandrel.
6. The novel universal valve body tool as claimed in claim 1, 2, 3 or 4, wherein a compression nut matched with the compression screw is arranged on the upper connecting plate, the compression nut is fixed with the upper connecting plate, and the compression screw is connected with the upper connecting plate through the compression nut.
7. The novel universal valve body tool as claimed in claim 1, 2, 3 or 4, wherein an avoiding counter bore is formed in one end, facing the valve body, of the pressing disc.
8. The novel universal valve body tool as claimed in claim 1, 2, 3 or 4, wherein the compression plate is rotatably connected with the compression screw.
9. The novel universal valve body tool as claimed in claim 1, 2, 3 or 4, wherein the compression screw is coaxially arranged with the positioning mandrel, and the compression screw is coaxially arranged with the compression disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910810298.5A CN111390618B (en) | 2019-08-29 | 2019-08-29 | Novel general valve body frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910810298.5A CN111390618B (en) | 2019-08-29 | 2019-08-29 | Novel general valve body frock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111390618A true CN111390618A (en) | 2020-07-10 |
| CN111390618B CN111390618B (en) | 2021-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910810298.5A Active CN111390618B (en) | 2019-08-29 | 2019-08-29 | Novel general valve body frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111390618B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RO110430B1 (en) * | 1994-03-18 | 1996-01-30 | Sc Intreprinderea De Armaturi | Fixing device |
| CN103072018A (en) * | 2013-01-11 | 2013-05-01 | 吴忠仪表有限责任公司 | Turning device for main valve body of special ball valve |
| CN104493556A (en) * | 2014-12-17 | 2015-04-08 | 重庆健杰科技有限公司 | Fast pipe clamping device |
| CN205437851U (en) * | 2016-03-29 | 2016-08-10 | 吴忠仪表有限责任公司 | Small -bore triple offset butterfly valve lathe closes borer dress |
| CN206779994U (en) * | 2017-03-30 | 2017-12-22 | 苏州多维精密机电有限公司 | Alumiaum article processes clamping device |
| CN206883238U (en) * | 2017-07-05 | 2018-01-16 | 大连誉程精密机械有限公司 | A kind of valve body machining mould |
| CN207255708U (en) * | 2017-09-27 | 2018-04-20 | 济南迈克阀门科技有限公司 | A kind of rotary fixture for processing butterfly valve body |
| CN208117333U (en) * | 2018-04-17 | 2018-11-20 | 无锡德申精密机械制造有限公司 | A kind of lathe dog for irregular shape valve body |
-
2019
- 2019-08-29 CN CN201910810298.5A patent/CN111390618B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RO110430B1 (en) * | 1994-03-18 | 1996-01-30 | Sc Intreprinderea De Armaturi | Fixing device |
| CN103072018A (en) * | 2013-01-11 | 2013-05-01 | 吴忠仪表有限责任公司 | Turning device for main valve body of special ball valve |
| CN104493556A (en) * | 2014-12-17 | 2015-04-08 | 重庆健杰科技有限公司 | Fast pipe clamping device |
| CN205437851U (en) * | 2016-03-29 | 2016-08-10 | 吴忠仪表有限责任公司 | Small -bore triple offset butterfly valve lathe closes borer dress |
| CN206779994U (en) * | 2017-03-30 | 2017-12-22 | 苏州多维精密机电有限公司 | Alumiaum article processes clamping device |
| CN206883238U (en) * | 2017-07-05 | 2018-01-16 | 大连誉程精密机械有限公司 | A kind of valve body machining mould |
| CN207255708U (en) * | 2017-09-27 | 2018-04-20 | 济南迈克阀门科技有限公司 | A kind of rotary fixture for processing butterfly valve body |
| CN208117333U (en) * | 2018-04-17 | 2018-11-20 | 无锡德申精密机械制造有限公司 | A kind of lathe dog for irregular shape valve body |
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| CN111390618B (en) | 2021-09-03 |
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Address after: 309 Liuhe Road, Binjiang District, Hangzhou, Zhejiang 310000 Patentee after: Zhongkong Technology Co.,Ltd. Country or region after: China Patentee after: ZHEJIANG SUPCON FLUID TECHNOLOGY Co.,Ltd. Address before: 309 Liuhe Road, Binjiang District, Hangzhou, Zhejiang 310000 Patentee before: ZHEJIANG SUPCON TECHNOLOGY Co.,Ltd. Country or region before: China Patentee before: ZHEJIANG SUPCON FLUID TECHNOLOGY Co.,Ltd. |