CN112958708A - Necking mechanism of air conditioner throttle valve - Google Patents
Necking mechanism of air conditioner throttle valve Download PDFInfo
- Publication number
- CN112958708A CN112958708A CN202110258958.0A CN202110258958A CN112958708A CN 112958708 A CN112958708 A CN 112958708A CN 202110258958 A CN202110258958 A CN 202110258958A CN 112958708 A CN112958708 A CN 112958708A
- Authority
- CN
- China
- Prior art keywords
- necking
- limiting
- sleeve
- mechanical clamping
- clamping jaw
- 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
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D41/00—Application of procedures in order to alter the diameter of tube ends
- B21D41/04—Reducing; Closing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
- B21D43/10—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by grippers
- B21D43/105—Manipulators, i.e. mechanical arms carrying a gripper element having several degrees of freedom
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Straightening Metal Sheet-Like Bodies (AREA)
Abstract
The invention discloses a necking mechanism of an air conditioner throttle valve, which comprises a workbench, wherein a limiting seat for limiting blanks is arranged on the workbench, a plurality of groups of limiting seats are arranged on the limiting seat, a mechanical clamping jaw assembly for clamping the blanks in the limiting seat is arranged above the limiting seat, and a necking mechanism are sequentially arranged on the workbench; according to the invention, the necking part with the caliber slightly smaller than the preset caliber is firstly extruded, and then the extruded necking part is expanded to the preset caliber through the opening expansion thimble with the diameter the same as the preset caliber, so that the necking precision can be greatly improved.
Description
Technical Field
The invention mainly relates to the technical field of non-standard equipment, in particular to a reducing structure of a blank of an air conditioner throttle valve.
Background
An air conditioner throttle valve is an important part in an air conditioner internal circulation system, and referring to fig. 1, the structure of the air conditioner throttle valve is shown in fig. 1, and the air conditioner throttle valve comprises a cylindrical main body part 1 which is cylindrical and comprises a cylinder part 11 with a larger hole diameter, a cylinder part 12 with a smaller hole diameter and a third cylinder part 13 connected between the cylinder part and the cylinder part.
The conventional necking mechanism directly presses a cylindrical blank into a necking sleeve with a preset aperture, thereby completing a necking process. However, in the above method, when the reduction diameter is small, a defect that the machining accuracy is not sufficient is likely to occur.
For the above reasons, there is a need for improvements in the prior art.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a necking mechanism of an air conditioner throttle valve.
The invention is realized by the following technical scheme: necking down mechanism of air conditioner choke valve includes:
the device comprises a workbench, wherein a limiting seat for limiting blanks is arranged on the workbench, a plurality of groups of limiting seats are arranged on the limiting seat, a mechanical clamping jaw assembly for clamping the blanks in the limiting seat is arranged above the limiting seat, and a necking mechanism and a flaring mechanism are sequentially arranged on the workbench;
the limiting seat right opposite to the necking mechanism comprises two limiting blocks, one limiting block is driven by a limiting block driving mechanism, the necking mechanism comprises a necking mechanism base, a translation cylinder for pushing the necking mechanism to move is arranged on one side of the necking mechanism base, a necking sleeve is fixedly arranged on the necking mechanism base, a positioning ejector pin is fixedly arranged in the necking sleeve, a necking space with the caliber smaller than the required necking caliber is formed between the necking sleeve and the positioning ejector pin, a pressing sleeve is movably arranged outside the necking sleeve, and a pressing sleeve pushing mechanism for pushing the pressing sleeve to move is arranged on one side of the necking mechanism base;
the opening expanding mechanism comprises an opening expanding thimble and a third translation cylinder for pushing the opening expanding thimble, wherein the first opening expanding thimble has the diameter the same as the required necking caliber.
The mechanical clamping jaw assembly comprises a mechanical clamping jaw mounting seat, mechanical clamping jaws and a driving mechanism, wherein the mechanical clamping jaws are fixedly arranged on the mechanical clamping jaw mounting seat, the mechanical clamping jaws correspond to the limiting seats in number, and the driving mechanism drives the mechanical clamping jaw mounting seat to reciprocate.
The end part of the necking sleeve is provided with a plurality of strip-shaped grooves which axially extend along the necking sleeve.
The limiting block of the limiting seat is provided with an installation groove, an embedded block is fixedly arranged in the installation groove through a buckling plate, and an opening shape matched with the blank shape is formed in the embedded block.
The invention has the following beneficial effects: according to the invention, the necking part with the caliber slightly smaller than the preset caliber is firstly extruded, and then the extruded necking part is expanded to the preset caliber through the opening expansion thimble with the diameter the same as the preset caliber, so that the necking precision can be greatly improved.
Drawings
Fig. 1 shows a product schematic of an air conditioner throttle valve.
Fig. 2 is a schematic perspective view of the present invention.
Fig. 3 is a schematic top view of the present invention.
Fig. 4 is a schematic cross-sectional view of the present invention.
Fig. 5 is a partially enlarged schematic view of a portion a of fig. 4.
Fig. 6 is a schematic perspective view of the necking mechanism.
Fig. 7 is a schematic view of the pressure jacket of fig. 6 when hidden.
Fig. 8 is a front view of the necking sleeve.
Fig. 9 is a schematic perspective view of the limiting seat.
Detailed Description
The invention is described in further detail below with reference to the following detailed description and accompanying drawings: referring to fig. 2 to 9, the necking mechanism of the air conditioner throttle valve comprises a workbench 1, wherein a limiting seat 2 used for limiting blanks is arranged on the workbench 1, a plurality of groups of limiting seats 2 are arranged, a mechanical clamping jaw assembly 3 used for clamping blanks in the limiting seat is arranged above the limiting seat 2, the mechanical clamping jaw assembly 3 comprises a mechanical clamping jaw mounting seat 30, mechanical clamping jaws 31 corresponding to the limiting seats in number are fixedly arranged on the mechanical clamping jaw mounting seat 30, and a driving mechanism used for driving the mechanical clamping jaw mounting seat to perform reciprocating motion is arranged. The mechanical jaws are of the same construction as the mechanical jaws of the prior art and the principle thereof will not be described in detail in this application.
A necking mechanism 4 and a mouth-expanding mechanism 5 are sequentially arranged on the workbench 1, a limiting seat 2 opposite to the necking mechanism 4 comprises two limiting blocks 20, one limiting block 20 is driven by a limiting block driving mechanism 21, the necking mechanism 4 comprises a necking mechanism base 40, a translation cylinder 41 for pushing the necking mechanism base to move is arranged on one side of the necking mechanism base 40, a necking sleeve 42 is fixedly arranged on the necking mechanism base 40, and a positioning thimble 44 is fixedly arranged in the necking sleeve 42; a necking space 200 for necking the blank is formed between the necking sleeve 42 and the positioning thimble 44, a pressing sleeve 45 is movably arranged outside the necking sleeve 42, and a pressing sleeve pushing mechanism 43 for pushing the pressing sleeve 45 to move is arranged on one side of the necking mechanism base 40.
A plurality of strip-shaped grooves 42a extending axially along the necking sleeve are formed in the end portion of the necking sleeve 42, so that when the blank enters the necking space 200 formed between the necking sleeve 42 and the positioning thimble 44, the end portion of the necking sleeve 42 can deform along the strip-shaped grooves 42a to facilitate the blank to enter smoothly; when the blank enters the upper necking space, the pressing sleeve pushing mechanism 43 pushes the pressing sleeve 45, so that the pressing sleeve 45 extrudes the necking sleeve 42, and the blank in the necking space 200 is extruded out of the cylinder part with the reduced aperture.
When the necking mechanism 4 operates, firstly, the limiting block driving mechanism 21 drives one limiting block 20 to approach to the other limiting block, so that the part of the blank needing necking is exposed, then the translation cylinder 41 acts to push the necking mechanism base 40 to translate, the necking mechanism base 40 drives a necking sleeve and a positioning ejector pin 44 fixed with the necking mechanism base to press the blank, firstly, the positioning ejector pin 44 is pressed into the blank to further press the filter screen to a preset position, and meanwhile, the blank can be limited; then the pressing sleeve pushing mechanism 43 pushes the pressing sleeve 45 to translate towards the position of the necking sleeve 42, so that the blank is pressed out of the cylinder part with the reduced aperture in the necking space 200.
After the blank is pressed out of the cylinder part with the reduced aperture by the necking mechanism 4, the blank is transferred from the limiting seat corresponding to the necking mechanism 4 to the limiting seat 2 corresponding to the expansion mechanism 5 by the mechanical clamping jaw of the mechanical clamping jaw assembly 3.
Because it is difficult to extrude the cylinder part with smaller aperture by necking in practice, the aperture of the cylinder part of the blank and the actual aperture of the cylinder part in the presetting are smaller in the actual necking mechanism 7, and then the blank is expanded to the preset aperture by the expanding mechanism 5. Specifically, the opening expanding mechanism 5 includes an opening expanding thimble 50 and a third translation cylinder 51 for pushing the opening expanding thimble 50, wherein the diameter of the third opening expanding thimble 50 is the same as the diameter of the required reduced opening, and the third translation cylinder 51 pushes the opening expanding thimble 50 to push the blank, so as to expand the barrel part of the blank to a preset aperture.
The limiting block 20 of the limiting seat 2 is provided with an installation groove 22, an embedded block 24 is fixedly arranged in the installation groove 22 through a buckling plate 23, and the embedded block 24 is formed with an opening shape matched with the shape of the blank. In this configuration, different types of inserts 24 may be replaced for different types of blanks.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be appreciated by persons skilled in the art that the present invention is not limited by the embodiments described above. The foregoing embodiments and description of the invention have been provided for the purposes of illustrating the principles of the invention and is subject to various changes and modifications without departing from the spirit and scope of the invention. Such variations and modifications are intended to be within the scope of the claimed invention.
Claims (4)
1. Necking down mechanism of air conditioner choke valve, its characterized in that includes:
the device comprises a workbench (1), wherein a limiting seat (2) for limiting blanks is arranged on the workbench (1), a plurality of groups of limiting seats (2) are arranged, a mechanical clamping jaw assembly (3) for clamping the blanks in the limiting seat is arranged above the limiting seat (2), and a necking mechanism (4) and a belling mechanism (5) are sequentially arranged on the workbench (1);
the limiting seat (2) opposite to the necking mechanism (4) comprises two limiting blocks (20), one limiting block (20) is driven by a limiting block driving mechanism (21), the necking mechanism (4) comprises a necking mechanism base (40), a translation cylinder (41) for pushing the necking mechanism base to move is arranged on one side of the necking mechanism base, a necking sleeve (42) is fixedly arranged on the necking mechanism base (40), a positioning thimble (44) is fixedly arranged in the necking sleeve (42), a necking space (200) with the caliber smaller than the required necking caliber is formed between the necking sleeve (42) and the positioning thimble (44), a pressing sleeve (45) is movably arranged outside the necking sleeve (42), and a pressing sleeve pushing mechanism (43) for pushing the pressing sleeve (45) to move is arranged on one side of the necking mechanism base (40);
the mouth expanding mechanism (5) comprises a mouth expanding thimble (50) and a third translation cylinder (51) for pushing the mouth expanding thimble (50), wherein the diameter of the first mouth expanding thimble (50) is the same as the required mouth reducing caliber.
2. A reducing mechanism of an air conditioning throttle valve as claimed in claim 1, wherein: the mechanical clamping jaw assembly (3) comprises a mechanical clamping jaw mounting seat (30) and mechanical clamping jaws (31) which correspond to the limiting seats in number and are fixedly arranged on the mechanical clamping jaw mounting seat (30), and a driving mechanism for driving the mechanical clamping jaw mounting seat to reciprocate.
3. A reducing mechanism of an air conditioning throttle valve as claimed in claim 1, wherein: wherein, the end part of the necking sleeve (42) is provided with a plurality of strip-shaped grooves (42a) which axially extend along the necking sleeve.
4. A reducing mechanism of an air conditioning throttle valve according to any one of claims 1 or 3, characterized in that: be provided with an installation groove (22) on stopper (20) of spacing seat (2) inlay piece (24) are fixed to be provided with through buckle (23) in installation groove (22), the shaping has the opening shape that matches with the stock shape on inlay piece (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110258958.0A CN112958708B (en) | 2021-03-10 | 2021-03-10 | Necking mechanism of air conditioner throttle valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110258958.0A CN112958708B (en) | 2021-03-10 | 2021-03-10 | Necking mechanism of air conditioner throttle valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112958708A true CN112958708A (en) | 2021-06-15 |
| CN112958708B CN112958708B (en) | 2022-12-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110258958.0A Active CN112958708B (en) | 2021-03-10 | 2021-03-10 | Necking mechanism of air conditioner throttle valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112958708B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203992080U (en) * | 2014-08-28 | 2014-12-10 | 翟祖学 | The inside and outside trimmer of the numerical control mouth of pipe |
| CN104889274A (en) * | 2015-05-14 | 2015-09-09 | 南通福乐达汽车配件有限公司 | Universal round tube necking and flaring forming tool |
| WO2018119753A1 (en) * | 2016-12-28 | 2018-07-05 | 深圳市配天机器人技术有限公司 | Multi-station pipe necking device |
| JP2020040073A (en) * | 2018-09-06 | 2020-03-19 | 株式会社三五 | Pipe end diameter expansion/reduction device |
| CN210172389U (en) * | 2019-05-13 | 2020-03-24 | 佛山市恒合信管业有限公司 | Mouth expanding and contracting device for stainless steel pipe |
| CN111570642A (en) * | 2020-05-12 | 2020-08-25 | 青岛东峻智能科技设备有限公司 | Necking machine |
| CN211564286U (en) * | 2020-01-19 | 2020-09-25 | 苏州库迅机器人有限公司 | Automatic necking device for circular pipe fitting |
-
2021
- 2021-03-10 CN CN202110258958.0A patent/CN112958708B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203992080U (en) * | 2014-08-28 | 2014-12-10 | 翟祖学 | The inside and outside trimmer of the numerical control mouth of pipe |
| CN104889274A (en) * | 2015-05-14 | 2015-09-09 | 南通福乐达汽车配件有限公司 | Universal round tube necking and flaring forming tool |
| WO2018119753A1 (en) * | 2016-12-28 | 2018-07-05 | 深圳市配天机器人技术有限公司 | Multi-station pipe necking device |
| JP2020040073A (en) * | 2018-09-06 | 2020-03-19 | 株式会社三五 | Pipe end diameter expansion/reduction device |
| CN210172389U (en) * | 2019-05-13 | 2020-03-24 | 佛山市恒合信管业有限公司 | Mouth expanding and contracting device for stainless steel pipe |
| CN211564286U (en) * | 2020-01-19 | 2020-09-25 | 苏州库迅机器人有限公司 | Automatic necking device for circular pipe fitting |
| CN111570642A (en) * | 2020-05-12 | 2020-08-25 | 青岛东峻智能科技设备有限公司 | Necking machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112958708B (en) | 2022-12-06 |
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| PB01 | Publication | ||
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| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 312000 No. 15 Aofeng Road, Wozhou Town, Shaoxing City, Zhejiang Province (application for residence) Applicant after: Shaoxing Jingding CNC Equipment Co.,Ltd. Address before: Building 1, No.15, Wangjiayuan Road, Yulin street, Xinchang County, Shaoxing City, Zhejiang Province Applicant before: Xinchang JINGDING CNC Equipment Co.,Ltd. |
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| GR01 | Patent grant |