CN114542429B - Device for automatic alignment of compressor piston - Google Patents
Device for automatic alignment of compressor piston Download PDFInfo
- Publication number
- CN114542429B CN114542429B CN202210185154.7A CN202210185154A CN114542429B CN 114542429 B CN114542429 B CN 114542429B CN 202210185154 A CN202210185154 A CN 202210185154A CN 114542429 B CN114542429 B CN 114542429B
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- piston
- rotary
- jacking
- rotary rod
- sensor
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- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 238000005057 refrigeration Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000006073 displacement reaction Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/10—Aligning parts to be fitted together
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention discloses a device for automatic alignment of a compressor piston, which belongs to the field of mechanical manufacturing automation and is particularly suitable for alignment of an inner cavity direction of a refrigeration compressor piston part or a similar part during processing or automatic assembly. The main structure of the device comprises a positioning mechanism for fixing a piston and an alignment mechanism for rotating the piston, wherein the alignment mechanism comprises a rotating rod for rotating the piston, a rotary driving device for driving the rotating rod to rotate and a jacking device for jacking the rotating rod; the end face shape of one end of the rotating rod is matched with the hollow shape of the piston, the other end of the rotating rod is connected with the rotary driving device, and the jacking device is positioned below the rotary driving device. According to the device for automatically aligning the compressor piston, provided by the invention, the direction of the piston to be processed is aligned, so that the deflection directions of the piston are consistent, the subsequent part addition is facilitated, and the processing efficiency is improved.
Description
Technical Field
The invention relates to the field of mechanical manufacturing automation, in particular to a device for aligning the direction of an inner cavity of a piston of a refrigeration compressor or similar parts during processing or automatic assembly.
Background
The refrigerant compressor is the core and heart of the refrigeration system. Refrigeration compressors are classified into volumetric compressors and screw compressors. The positive displacement compressor realizes the processes of vapor suction, compression, vapor discharge and the like by the change of the volume of the working cavity, and cannot realize higher rotating speed, the machine is large and heavy, the exhaust is discontinuous, the air flow is easy to fluctuate, and the working process has larger vibration.
The screw compressor is a rotary positive displacement compressor. The change of the tooth space volume and the position of the screw rod is utilized to complete the processes of vapor suction, compression and exhaust. The piston type compressor is provided with the components such as a cylinder, a piston ring, a cylinder liner and the like required by the piston type compressor, and has the advantages of compact machine structure, small volume, light weight, wide application range and stable and reliable operation.
In addition to large displacement air conditioning systems for passenger cars and trucks, positive displacement compressors are used, and screw compressors are typically used in small displacement systems. The automatic level requirements for processing and assembling piston products in the field of processing in the industry of refrigeration compressors are higher and higher, the outer part of a piston is round, a rectangular inner groove is formed, the direction of an inner cavity cannot be aligned by adopting the shape in the process of automatic feeding, and the direction of the inner cavity of the piston products is distinguished by a method combining a visual imaging system and a servo system which is commonly adopted in the industry at present.
Disclosure of utility model
The utility model aims to provide a device for automatically aligning a compressor piston, which aims to solve the problem that the direction of an inner cavity cannot be aligned by adopting an external shape in the process of automatically feeding the piston.
In order to achieve the aim of the utility model, the technical scheme adopted is as follows: the device for automatically aligning the piston of the compressor is characterized by comprising a positioning mechanism for fixing the piston and an aligning mechanism for rotating the piston; the alignment mechanism comprises a rotary rod for rotating the piston, a rotary driving device for driving the rotary rod to rotate and a jacking device for jacking the rotary rod; the end face shape of one end of the rotating rod is matched with the hollow shape of the piston, the other end of the rotating rod is connected with the rotary driving device, and the jacking device is positioned below the rotary driving device.
The positioning mechanism is used for limiting the radial displacement of the piston, the piston can axially move or circumferentially rotate, and the positioning mechanism can be a V-shaped positioning block with an adjustable spigot size or a positioning device with a fixed spigot size. The rotary driving device can be a single-shaft rotary motor and a rotary cylinder, can also be a double-shaft rotary motor and a rotary cylinder, and can also be other rotary equipment with shaft self-driving, and the rotary shaft of the rotary driving device is fixedly connected with the rotary rod to drive the rotary rod to lift and rotate to a correct angle.
Further, the jacking device is connected with the rotary driving device. The rotary driving device stretches out and draws back along with the jacking device, and displacement change does not occur relatively.
Furthermore, the positioning mechanism is a positioning bushing, and the size of the inner hole of the positioning bushing is matched with the outer diameter of the piston.
Further, a sensor is arranged on the hole wall of the inner hole of the positioning mechanism, the sensor is arranged at a position which can be contacted only when the piston is sleeved with the rotating rod, and the sensor is electrically connected with the rotating driving device and the jacking device. And automatically controlling the rotation driving device and the jacking device through signals fed back by the sensor.
Further, the rotary rod is provided with a sensor which is arranged at a position which can be contacted only when the piston is sleeved with the rotary rod, and the sensor is electrically connected with the rotary driving device and the jacking device.
Further, the jacking device comprises a support, and a telescopic jacking table is arranged on the support. The jacking table can stretch out and draw back on the support, so that the jacking function of the jacking device is realized.
The beneficial effects of the utility model are as follows:
1. The method and the device for aligning the direction of the piston to be processed, so that the deflection directions of the piston are consistent, the subsequent part addition is facilitated, the processing efficiency is improved, and the processing quality of the part is also ensured;
2. The sensor is assembled, so that automatic processing of parts is realized, and labor cost is reduced;
3. The utility model has simple structure and low manufacturing cost, and reduces the production cost of enterprises.
Drawings
Fig. 1: schematic structural diagram of a part to be processed;
Fig. 2: a schematic structural diagram of a first embodiment of the present utility model;
Fig. 3: a schematic structural diagram of a second embodiment of the present utility model;
fig. 4: schematic diagram when the angle of the piston and the rotating rod are not matched;
fig. 5: schematic diagram when the piston is not matched with the rotating rod in angle.
In the drawings, the reference numerals and corresponding part names:
1-piston, 2-positioning mechanism, 3-rotary rod, 4-rotary driving device, 5-jacking device, 51-jacking platform, 52-support and 6-sensor.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Fig. 1 shows a piston to be machined, the outer diameter of the piston is circular, and a rectangular square hole is formed in the piston. The square hole which is required to be internally arranged is in a fixed angle during processing, so that the processing is convenient on the basis of the angle.
Embodiment one:
Fig. 2 shows a device for automatic alignment of a piston of a compressor, which comprises a positioning mechanism for fixing the piston and an alignment mechanism for rotating the piston, wherein the alignment mechanism comprises a rotary driving device 4, a rotary rod 3 for driving the piston to rotate and a jacking device 5, the rotary driving device 4 is a single-shaft rotary motor, the jacking device 5 comprises a support 52 and a jacking table 51, the jacking table 51 is telescopically connected to the support 52, one end of the rotary rod 3, which is contacted with the piston 1, is matched with an inner hole of the piston in shape, the other end of the rotary rod 3 is connected with a rotary output end of the single-shaft rotary motor, the jacking device 5 is positioned below the single-shaft rotary motor, one end, which is opposite to the output end of the single-shaft rotary motor, of the positioning mechanism 2 is a positioning bushing, the inner wall of the positioning bushing is provided with a sensor 6, the sensor 6 is arranged at a position which can only be contacted when the piston 1 is sleeved with the rotary rod 3, and the sensor 6 is electrically connected with the rotary driving device 4 and the jacking device 5.
As shown in fig. 4 and 5, when in use, the rotary rod 3 is initially positioned at a correct angle to be matched with the piston 1, the piston 1 is placed into the positioning mechanism 2 through the mechanical arm, the opening end is downward, when the inner cavity of the piston 1 just can be sleeved with the rotary rod 3, the direction of the part is correct, the sensor 6 senses the piston 1 and sends out a control signal to control the jacking device 5 to work, the jacking table 51 is lifted out, a single-shaft rotary motor connected with the jacking table is jacked, the rotary rod 3 connected with the output end of the rotary motor is jacked, the rotary rod 3 is driven to push the piston 1 out of the positioning mechanism 2, the mechanical arm takes the piston 1 out, and the subsequent processing is continued; when the mechanical arm is put into the piston 1 in the positioning mechanism 2, if the direction is incorrect, the inner cavity of the piston 1 cannot be sleeved with the rotary rod 3, the sensor 6 cannot sense the piston, a control signal is sent out, the single-shaft rotary motor is controlled to drive the rotary rod 3 to rotate until the rotary rod 3 rotates to an angle matched with the inner hole of the piston, the rotary rod 3 is sleeved into the inner hole of the piston 1, the sensor 6 senses the piston 1, the control signal is sent out, the jacking device 5 works to jack the piston, and meanwhile, the rotary rod 3 drives the piston 1 to rotate to an initial angle.
Embodiment two:
Fig. 3 shows an automatic alignment device for a compressor piston, which comprises a positioning mechanism for fixing the piston and an alignment mechanism for rotating the piston, wherein the alignment mechanism comprises a rotary driving device 4, a rotary rod 3 for driving the piston to rotate and a jacking device 5, the rotary driving device 4 is a double-shaft rotary motor, the jacking device 5 comprises a support 52 and a jacking table 51, the jacking table 51 is telescopically connected to the support 52, one end of the rotary rod 3, which is contacted with the piston, is matched with an inner hole of the piston in shape, the other end of the rotary rod 3 is connected with one rotary output end of the double-shaft rotary motor, the jacking device 5 is positioned below the double-shaft rotary motor, the other output end of the double-shaft rotary motor is connected with the jacking device 5 through a bearing, the positioning mechanism 2 is a positioning bushing, a sensor 6 is arranged on the rotary rod 3, the sensor 6 is arranged at a position which can only be contacted when the piston 1 is sleeved with the rotary rod 3, and the sensor 6 is electrically connected with the rotary driving device 4 and the jacking device 5.
As shown in fig. 4 and 5, when the rotary rod 3 is used, the piston 1 is initially positioned at a correct angle which needs to be matched with the piston 1, the piston 1 is placed into the positioning mechanism 2 through the mechanical arm, the opening end is downward, when the inner cavity of the piston 1 just can be sleeved with the rotary rod 3, the direction of the part is correct, the sensor 6 senses the piston 1 and sends out a control signal to control the jacking device 5 to work, the jacking table 51 is lifted out, the output end of the double-shaft rotary motor connected with the jacking table is jacked up, the whole motor is jacked up, the rotary rod 3 connected with the other output end of the rotary motor is jacked up, the rotary rod 3 is driven to jack the piston 1 out of the positioning mechanism 2, and the mechanical arm takes the piston 1 out for subsequent processing; when the direction of the piston 1 placed in the positioning mechanism 2 by the mechanical arm is incorrect, the inner cavity of the piston 1 cannot be sleeved with the rotary rod 3, the sensor 6 cannot sense the piston and send out a control signal, the double-shaft rotary motor drives the rotary rod 3 to rotate until the rotary rod 3 rotates to an angle matched with the inner hole of the piston, and the rotary rod 3 is sleeved into the inner hole of the piston 1; the other output end of the double-shaft rotating motor is connected with the jacking table 51 through a bearing, the output end rotates, rotates forwards or rotates reversely, the double-shaft rotating motor and the jacking table 51 keep circumferential static, the sensor 6 senses the piston 1 and sends out a control signal, the jacking device 5 works to jack the piston, and meanwhile, the rotating rod 3 drives the piston 1 to rotate to an initial angle.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (3)
1. The device for automatically aligning the piston of the compressor is characterized by comprising a positioning mechanism for fixing the piston and an aligning mechanism for rotating the piston, wherein the aligning mechanism comprises a rotating rod (3) for rotating the piston, a rotary driving device (4) for driving the rotating rod to rotate, and a jacking device (5) for jacking the rotating rod, and the jacking device (5) is connected with the rotary driving device (4); one end of the rotary rod corresponds to the position of the piston, the shape of the rotary rod is matched with the shape of the inner cavity of the piston, the other end of the rotary rod is connected with the rotary driving device, the jacking device (5) is positioned below the rotary driving device (4), the sensor (6) is arranged on the hole wall of the inner hole of the positioning mechanism (2), the sensor (6) is arranged at a position which can be contacted only when the piston (1) is sleeved with the rotary rod (3), and the sensor (6) is electrically connected with the rotary driving device (4) and the jacking device (5); or the rotary rod (3) is provided with a sensor (6), the sensor (6) is arranged at a position which can be contacted only when the piston (1) is sleeved with the rotary rod (3), and the sensor (6) is electrically connected with the rotary driving device (4) and the jacking device (5); the positioning mechanism (2) is a positioning bushing, and the size of an inner hole of the positioning bushing is matched with the outer diameter of the piston (1);
The rotary rod is initially positioned at a correct angle to be matched with the piston; when the part is put into the positioning mechanism in a state of correct direction, the inner cavity of the piston is sleeved with the rotating rod, the sensor senses the piston and sends out a control signal to control the jacking device to work, and the piston is jacked out of the positioning mechanism; when the part is placed in the positioning mechanism in an incorrect direction, the inner cavity of the piston cannot be sleeved with the rotary rod, the sensor cannot sense the piston and send a control signal, the rotary motor drives the rotary rod to rotate until the rotary rod rotates to an angle matched with the inner hole of the piston, the inner cavity of the piston is sleeved with the rotary rod, the sensor senses the piston and sends a control signal to control the jacking device to work, and the rotary rod drives the piston to rotate to an initial angle when the piston is jacked out of the positioning mechanism.
2. Device for automatic alignment of a compressor piston according to claim 1, characterized in that the jacking means (5) comprise a support (52) on which a telescopic jacking table (51) is provided.
3. A device for automatic alignment of a compressor piston according to claim 2, characterized in that the support (52) is provided with a hydraulic cylinder and the jacking table (51) is provided at the projecting end of the hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210185154.7A CN114542429B (en) | 2022-02-28 | 2022-02-28 | Device for automatic alignment of compressor piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210185154.7A CN114542429B (en) | 2022-02-28 | 2022-02-28 | Device for automatic alignment of compressor piston |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114542429A CN114542429A (en) | 2022-05-27 |
| CN114542429B true CN114542429B (en) | 2024-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210185154.7A Active CN114542429B (en) | 2022-02-28 | 2022-02-28 | Device for automatic alignment of compressor piston |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN209986516U (en) * | 2019-04-15 | 2020-01-24 | 儒拉玛特自动化技术(苏州)有限公司 | Product material loading machinery counterpoint mechanism |
| CN214186011U (en) * | 2020-10-28 | 2021-09-14 | 广汽零部件有限公司 | Automatic angle finding mechanism and assembly system of inner gear ring of motor |
| CN217193785U (en) * | 2022-02-28 | 2022-08-16 | 四川丹甫环境科技有限公司 | Device for automatically aligning compressor piston |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3322039B2 (en) * | 1994-10-26 | 2002-09-09 | いすゞ自動車株式会社 | Automatic piston ring assembly device |
| CN203679657U (en) * | 2013-12-31 | 2014-07-02 | 东莞市凯誉自动化设备有限公司 | Automatic feeding device with adjusting station |
| CN105173607B (en) * | 2015-07-31 | 2018-04-06 | 深圳市鹏煜威科技有限公司 | One kind correction rotating device |
| CN206493171U (en) * | 2016-12-29 | 2017-09-15 | 南京肯信精密机器制造有限公司 | A kind of piston pin hole automatic alignment mechanism |
| CN206936786U (en) * | 2017-04-10 | 2018-01-30 | 浙江亚太机电股份有限公司 | Brake caliper piston automatic assembling mechanism afterwards |
| CN107246860A (en) * | 2017-06-20 | 2017-10-13 | 苏州博众精工科技有限公司 | A kind of bent axle alignment device and aligning method |
| KR102032118B1 (en) * | 2017-11-10 | 2019-10-15 | 태양금속공업주식회사 | Automatic nut supply apparatus for spindle units |
| CN208019742U (en) * | 2018-04-09 | 2018-10-30 | 卢卡斯伟利达廊重制动器有限公司 | One kind is from centering piston loading mechanism flexible |
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2022
- 2022-02-28 CN CN202210185154.7A patent/CN114542429B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209986516U (en) * | 2019-04-15 | 2020-01-24 | 儒拉玛特自动化技术(苏州)有限公司 | Product material loading machinery counterpoint mechanism |
| CN214186011U (en) * | 2020-10-28 | 2021-09-14 | 广汽零部件有限公司 | Automatic angle finding mechanism and assembly system of inner gear ring of motor |
| CN217193785U (en) * | 2022-02-28 | 2022-08-16 | 四川丹甫环境科技有限公司 | Device for automatically aligning compressor piston |
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| CN114542429A (en) | 2022-05-27 |
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