CN112139792A - Heat insulation sleeve pressing mechanism of heat insulation piston pin of air compressor - Google Patents

Heat insulation sleeve pressing mechanism of heat insulation piston pin of air compressor Download PDF

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Publication number
CN112139792A
CN112139792A CN202010990458.1A CN202010990458A CN112139792A CN 112139792 A CN112139792 A CN 112139792A CN 202010990458 A CN202010990458 A CN 202010990458A CN 112139792 A CN112139792 A CN 112139792A
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CN
China
Prior art keywords
fixed
plate
top surface
air compressor
piston pin
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.)
Pending
Application number
CN202010990458.1A
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Chinese (zh)
Inventor
许良鑫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Risan Compressor Co ltd
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Risan Compressor Co ltd
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Publication date
Application filed by Risan Compressor Co ltd filed Critical Risan Compressor Co ltd
Priority to CN202010990458.1A priority Critical patent/CN112139792A/en
Publication of CN112139792A publication Critical patent/CN112139792A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00Machines 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
    • B23P19/02Machines 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 for connecting objects by press fit or for detaching same
    • B23P19/027Machines 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 for connecting objects by press fit or for detaching same using hydraulic or pneumatic means

Abstract

The invention discloses a heat insulation sleeve pressing mechanism of a heat insulation piston pin of an air compressor, which comprises a fixed bottom plate, wherein a lower fixed block is fixed on the top surface of the middle part of the fixed bottom plate, a lower clamping block is fixed on the top surface of the lower fixed block, a lower arc-shaped groove is formed in the top surface of the lower clamping block, a rear supporting plate is fixed on the top surface of the fixed bottom plate behind the lower fixed block, an upper horizontal plate is fixed on the top surface of the rear supporting plate, an upper pressing air cylinder is fixed on the top surface of the upper horizontal plate, a push rod of the upper pressing air cylinder penetrates through the bottom surface of the upper horizontal plate and is fixed with an upper pressing plate, an upper clamping block is fixed on the bottom surface of the upper pressing plate, an upper arc-shaped groove is formed in the bottom surface of the upper clamping block, a pin shaft to be installed is positioned between the upper. The invention can automatically and completely press the heat insulation sleeve into the connecting shaft parts at the two ends of the pin shaft, so that the heat insulation sleeve is uniformly stressed and has good installation effect.

Description

Heat insulation sleeve pressing mechanism of heat insulation piston pin of air compressor
Technical Field
The invention relates to the technical field of air compressor equipment manufacturing, in particular to a heat insulation sleeve pressing mechanism of a heat insulation piston pin of an air compressor.
Background
In the existing piston type air compressor, a piston is arranged in an air cylinder body, a piston pin is required to be arranged between the piston and a connecting rod for connection, the piston pin can conduct heat, the heat of the piston is transferred to a needle bearing on the connecting rod, and the service life of the needle bearing is influenced, so that heat insulation sleeves are fixed at two ends of the piston pin to reduce heat conduction;
the existing mode is that the thermal sleeve is manually sleeved on the end connecting shaft part of the piston pin, and then manually downwards pushed and pressed, so that the thermal sleeve is very troublesome and low in efficiency, and is manually pushed and pressed, so that the stress of the thermal sleeve is not uniform, the thermal sleeve is easily damaged, and the installation effect is influenced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a heat insulation sleeve pressing mechanism of a heat insulation piston pin of an air compressor, which can automatically and completely press a heat insulation sleeve into connecting shaft parts at two ends of a pin shaft, so that the heat insulation sleeve is uniformly stressed and has a good installation effect.
The scheme for solving the technical problems is as follows:
a heat insulation sleeve pressing mechanism of a heat insulation piston pin of an air compressor comprises a fixed bottom plate, wherein a lower fixed block is fixed on the top surface of the middle of the fixed bottom plate, a lower clamping block is fixed on the top surface of the lower fixed block, a lower arc-shaped groove is formed in the top surface of the lower clamping block, a rear supporting plate is fixed on the top surface of the fixed bottom plate behind the lower fixed block, an upper horizontal plate is fixed on the top surface of the rear supporting plate, an upper pressing air cylinder is fixed on the top surface of the upper horizontal plate, a push rod of the upper pressing air cylinder penetrates through the bottom surface of the upper horizontal plate and is fixed with an upper pressing plate, an upper clamping block is fixed on the bottom surface of the upper pressing plate, an upper arc-shaped groove is formed in the bottom surface of the upper clamping block, a pin shaft to be installed is located between the upper arc-;
the left part and the right part of the top surface of the fixed base plate are both fixed with side supporting frames, the outer side wall of a vertical plate of each side supporting frame is fixed with a pushing oil cylinder, a pushing rod of each pushing oil cylinder penetrates through the corresponding vertical plate and is fixed with a pressing block, a limiting block is fixed on the wall surface of each pressing block, a positioning concave hole is formed in the middle of the end surface of each limiting block, and the outer end part of each heat insulation sleeve is inserted into the positioning concave hole in a sleeved mode.
A rear fixing plate is fixed on the top surface of a fixing bottom plate behind the rear supporting plate, a rear supporting frame is fixed on the rear wall surface of the rear fixing plate, a rear pushing cylinder is fixed on the rear wall surface of a rear wall plate of the rear supporting frame, a push rod of the rear pushing cylinder penetrates through the front wall surface of the rear wall plate of the rear supporting frame and is fixed with a movable fixing plate, a double-output-shaft motor is fixed in the middle of the front wall surface of the movable fixing plate, two connecting plates are fixed on the left part and the right part of the front wall surface of the movable fixing plate respectively, transverse moving screw rods are hinged on the two corresponding connecting plates through bearings, one end of each transverse moving screw rod extends out of the corresponding connecting plate and is connected with one end output shaft of the double-output-shaft motor through a coupler, a movable block is screwed on the corresponding transverse moving screw rod, the movable block is inserted in a transverse guiding through groove formed, the inner side wall of the positioning plate is tightly attached to the edge part of the end surface of the pin shaft.
The middle side wall of the moving block is tightly attached to the inner side wall of the transverse guiding through groove.
A slot is formed in the middle of the front wall surface of the positioning plate, and the connecting shaft portion is inserted and sleeved in the slot.
Two rear pushing cylinders are fixed on the rear wall surface of the rear wall plate of the rear supporting frame.
And the inner wall surface of the lower arc-shaped groove and the inner wall surface of the upper arc-shaped groove are both fixed with an anti-skid wear-resistant layer.
The upper pressing cylinder is a double-shaft cylinder.
And a transverse guide rod is fixed on the outer side wall of the upper part of the pressing block and is inserted in a transverse guide through hole formed in a vertical plate of the side support frame.
An inner guide sleeve is fixed on the inner side wall of the transverse guide through hole, and the transverse guide rod is inserted in the inner guide sleeve.
The outer end of the transverse guide rod is formed with external threads, and the limiting nut is in threaded connection with the outer end of the transverse guide rod.
The invention has the following outstanding effects: the heat insulation sleeve can be automatically and completely pressed into the connecting shaft parts at the two ends of the pin shaft, so that the heat insulation sleeve is uniform in stress and good in installation effect.
Drawings
FIG. 1 is a schematic view of a partial structure of the present invention;
fig. 2 is a partial top view schematic at the rear support frame of the present invention.
Detailed Description
Embodiment, as shown in fig. 1 to 2, an insulation sleeve pressing mechanism of an insulation piston pin of an air compressor, includes a fixed base plate 10, a lower fixing block 11 is fixed on the top surface of the middle of the fixing bottom plate 10, a lower clamping block 12 is fixed on the top surface of the lower fixing block 11, a lower arc-shaped groove 121 is formed on the top surface of the lower clamping block 12, a rear supporting plate 13 is fixed on the top surface of the fixing bottom plate 10 behind the lower fixing block 11, an upper horizontal plate 14 is fixed on the top surface of the rear supporting plate 13, an upper pressing cylinder 15 is fixed on the top surface of the upper horizontal plate 14, a push rod of the upper pressing cylinder 15 penetrates through the bottom surface of the upper horizontal plate 14 and is fixed with an upper pressing plate 16, an upper clamping block 17 is fixed on the bottom surface of the upper pressing plate 16, an upper arc-shaped groove 171 is formed on the bottom surface of the upper clamping block 17, a pin shaft 100 to be installed is located between the upper arc-shaped groove 171 and the lower arc-shaped groove 121, and;
the left part and the right part of the top surface of the fixed base plate 10 are both fixed with a side support frame 20, the outer side wall of the vertical plate of the side support frame 20 is fixed with a pushing oil cylinder 21, a pushing rod of the pushing oil cylinder 21 penetrates through the corresponding vertical plate and is fixed with a pressing block 22, a limiting block 23 is fixed on the wall surface of the pressing block 22, a positioning concave hole 231 is formed in the middle of the end surface of the limiting block 23, and the outer end part of the heat insulation sleeve 200 is inserted in the positioning concave hole 231.
Further, a rear fixing plate 30 is fixed on the top surface of the fixing base plate 10 behind the rear supporting plate 13, a rear supporting frame 31 is fixed on the rear wall surface of the rear fixing plate 30, a rear pushing cylinder 32 is fixed on the rear wall surface of the rear wall plate of the rear supporting frame 31, a push rod of the rear pushing cylinder 32 penetrates through the front wall surface of the rear wall plate of the rear supporting frame 31 and is fixed with a movable fixing plate 33, a double-output shaft motor 34 is fixed in the middle of the front wall surface of the movable fixing plate 33, two connecting plates 35 are fixed on the left part and the right part of the front wall surface of the movable fixing plate 33, a transverse moving screw 36 is hinged on the two corresponding connecting plates 35 through a bearing, one end of the transverse moving screw 36 extends out of the corresponding connecting plate and is connected with one end output shaft of the double-output shaft motor 34 through a coupler, a moving block 37 is screwed on the corresponding transverse moving screw 36, the moving block 37 is inserted in, the front wall of moving block 37 extends out of transverse guide through groove 331 and is fixed with positioning plate 38, and the inner side wall of positioning plate 38 is tightly attached to the end face edge of pin 100.
Further, the middle side wall of the moving block 37 is tightly attached to the inner side wall of the transverse guiding through groove 331.
Further, a slot 381 is formed in the middle of the front wall of the positioning plate 38, and the connecting shaft portion is inserted in the slot 381.
Further, two rear push cylinders 32 are fixed to a rear wall surface of the rear wall of the rear support frame 31.
Further, the inner wall surface of the lower arc-shaped groove 121 and the inner wall surface of the upper arc-shaped groove 171 are both fixed with the anti-skid wear-resistant layer 1.
Further, the upper pressing cylinder 15 is a double-shaft cylinder.
Further, a transverse guide rod 221 is fixed on the upper outer side wall of the pressing block 22, and the transverse guide rod 221 is inserted into a transverse guide through hole 24 formed in the vertical plate of the side support frame 20.
Further, an inner guide sleeve 25 is fixed on an inner side wall of the lateral guide through hole 24, and the lateral guide rod 221 is inserted into the inner guide sleeve 25.
Further, an external thread is formed at the outer end of the lateral guide rod 221, and the limit nut 2 is screwed on the outer end of the lateral guide rod 221.
In the embodiment, when the fixing device is used, the pin 100 to be installed can be automatically placed on the lower arc-shaped groove 121 by manual or mechanical equipment, the heat insulation sleeve 200 is clamped at the end part of the connecting shaft part at the two ends of the pin 100 at the moment, then the two positioning plates 38 are moved forward by the push rods of the two rear push cylinders 32, so that the connecting shaft part is inserted in the slot 381, then the two positioning plates 38 are close to each other by the operation of the double-out-shaft motor 34, so that the inner side walls of the positioning plates 38 are tightly attached to the end surface side parts of the pin 100, the position of the pin 100 is adjusted, then the push rod of the upper pressing cylinder 15 is pushed, so that the upper clamping block 17 is lowered, so that the pin 100 to be installed is positioned between the upper arc-shaped groove 171 and the lower arc-shaped groove 121 and clamped between the two anti-skid wear-resistant layers 1, so as to complete, meanwhile, the push rods of the two rear push cylinders 32 retract, so that the two positioning plates 38 retreat, then the push rods pushing the oil cylinders 21 push the outer end portions of the heat insulation sleeves 200 to be inserted in the positioning concave holes 231 and move along with the limiting blocks 23, the heat insulation sleeves 200 are integrally clamped in the connecting shaft portions of the pin shafts 100, installation is completed, the installation is quick, the effect is good, after the installation, all the components return, and manual taking or mechanical taking can be achieved, and the heat insulation sleeve is very convenient.
The above embodiments are only for illustrating the invention and are not to be construed as limiting the invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the invention, therefore, all equivalent technical solutions also belong to the scope of the invention, and the scope of the invention is defined by the claims.

Claims (10)

1. The utility model provides a thermal-insulated piston pin's of air compressor heat insulating sleeve hold-down mechanism, includes PMKD (10), its characterized in that: a lower fixing block (11) is fixed on the top surface of the middle of the fixing bottom plate (10), a lower clamping block (12) is fixed on the top surface of the lower fixing block (11), a lower arc-shaped groove (121) is formed in the top surface of the lower clamping block (12), a rear supporting plate (13) is fixed on the top surface of the fixing bottom plate (10) behind the lower fixing block (11), an upper horizontal plate (14) is fixed on the top surface of the rear supporting plate (13), an upper pressing cylinder (15) is fixed on the top surface of the upper horizontal plate (14), a push rod of the upper pressing cylinder (15) penetrates through the bottom surface of the upper horizontal plate (14) and is fixed with an upper pressing plate (16), an upper clamping block (17) is fixed on the bottom surface of the upper pressing plate (16), an upper arc-shaped groove (171) is formed in the bottom surface of the upper clamping block (17), a pin shaft (100) to be installed is located between the upper arc-shaped groove (171) and the lower arc-shaped groove (171), and a heat insulation sleeve;
the left part and the right part of the top surface of PMKD (10) all are fixed with collateral branch strut frame (20), be fixed with on the lateral wall of the vertical board of collateral branch strut frame (20) and bulldoze hydro-cylinder (21), the push rod that bulldozes hydro-cylinder (21) passes corresponding vertical board and is fixed with compact heap (22), be fixed with spacing piece (23) on the wall of compact heap (22), the terminal surface middle part shaping of spacing piece (23) has location shrinkage pool (231), the outer tip plug bush of radiation shield (200) is in location shrinkage pool (231).
2. The insulating sleeve pressing mechanism of the insulating piston pin of the air compressor as claimed in claim 1, wherein: a rear fixing plate (30) is fixed on the top surface of a fixing base plate (10) at the rear of the rear supporting plate (13), a rear supporting frame (31) is fixed on the rear wall surface of the rear supporting frame (31), a rear pushing cylinder (32) is fixed on the rear wall surface of the rear wall plate of the rear supporting frame (31), a push rod of the rear pushing cylinder (32) penetrates through the front wall surface of the rear wall plate of the rear supporting frame (31) and is fixed with a movable fixing plate (33), a double-output-shaft motor (34) is fixed in the middle of the front wall surface of the movable fixing plate (33), two connecting plates (35) are fixed on the left part and the right part of the front wall surface of the movable fixing plate (33), a transverse moving screw rod (36) is hinged on the two corresponding connecting plates (35) through a bearing, one end of the transverse moving screw rod (36) extends out of the corresponding connecting plate and is connected with one end output, the moving block (37) is in threaded connection with the corresponding transverse moving screw rod (36), the moving block (37) is inserted in a transverse guiding through groove (331) formed in the rear fixing plate (30), the front wall surface of the moving block (37) extends out of the transverse guiding through groove (331) and is fixed with a positioning plate (38), and the inner side wall of the positioning plate (38) is tightly attached to the edge part of the end surface of the pin shaft (100).
3. The insulating sleeve pressing mechanism of the insulating piston pin of the air compressor as claimed in claim 2, wherein: the side wall of the middle part of the moving block (37) is tightly attached to the inner side wall of the transverse guide through groove (331).
4. The insulating sleeve pressing mechanism of the insulating piston pin of the air compressor as claimed in claim 2, wherein: a slot (381) is formed in the middle of the front wall face of the positioning plate (38), and the connecting shaft portion is inserted in the slot (381).
5. The insulating sleeve pressing mechanism of the insulating piston pin of the air compressor as claimed in claim 2, wherein: two rear pushing cylinders (32) are fixed on the rear wall surface of the rear wall plate of the rear support frame (31).
6. The insulating sleeve pressing mechanism of the insulating piston pin of the air compressor as claimed in claim 1, wherein: and the inner wall surfaces of the lower arc-shaped groove (121) and the upper arc-shaped groove (171) are respectively fixed with an anti-skid wear-resistant layer (1).
7. The insulating sleeve pressing mechanism of the insulating piston pin of the air compressor as claimed in claim 1, wherein: the upper pressing cylinder (15) is a double-shaft cylinder.
8. The insulating sleeve pressing mechanism of the insulating piston pin of the air compressor as claimed in claim 1, wherein: and a transverse guide rod (221) is fixed on the outer side wall of the upper part of the pressing block (22), and the transverse guide rod (221) is inserted and sleeved in a transverse guide through hole (24) formed in a vertical plate of the side support frame (20).
9. The insulating sleeve pressing mechanism of the insulating piston pin of the air compressor as claimed in claim 8, wherein: an inner guide sleeve (25) is fixed on the inner side wall of the transverse guide through hole (24), and a transverse guide rod (221) is inserted in the inner guide sleeve (25).
10. The insulating sleeve pressing mechanism of the insulating piston pin of the air compressor as claimed in claim 8, wherein: the outer end of the transverse guide rod (221) is formed with external threads, and the limiting nut (2) is screwed on the outer end of the transverse guide rod (221).
CN202010990458.1A 2020-09-19 2020-09-19 Heat insulation sleeve pressing mechanism of heat insulation piston pin of air compressor Pending CN112139792A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010990458.1A CN112139792A (en) 2020-09-19 2020-09-19 Heat insulation sleeve pressing mechanism of heat insulation piston pin of air compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010990458.1A CN112139792A (en) 2020-09-19 2020-09-19 Heat insulation sleeve pressing mechanism of heat insulation piston pin of air compressor

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Publication Number Publication Date
CN112139792A true CN112139792A (en) 2020-12-29

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113478961A (en) * 2021-07-01 2021-10-08 南京人文印务有限公司 High-reliability rotary printing machine pressing device
CN114193367A (en) * 2021-10-22 2022-03-18 扬州恒德工业科技有限公司 Assembling die

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CN208496260U (en) * 2018-05-28 2019-02-15 佛山市达普光机电科技有限公司 A kind of high-precision thin-wall circular tube single-ended pressing device compression hoisting mechanism
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113478961A (en) * 2021-07-01 2021-10-08 南京人文印务有限公司 High-reliability rotary printing machine pressing device
CN113478961B (en) * 2021-07-01 2023-02-28 南京人文印务有限公司 High-reliability rotary printing machine pressing device
CN114193367A (en) * 2021-10-22 2022-03-18 扬州恒德工业科技有限公司 Assembling die

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Application publication date: 20201229