CN210475612U - Device for machining central hole of crankshaft of compressor - Google Patents
Device for machining central hole of crankshaft of compressor Download PDFInfo
- Publication number
- CN210475612U CN210475612U CN201921261248.8U CN201921261248U CN210475612U CN 210475612 U CN210475612 U CN 210475612U CN 201921261248 U CN201921261248 U CN 201921261248U CN 210475612 U CN210475612 U CN 210475612U
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- CN
- China
- Prior art keywords
- crankshaft
- drilling
- output end
- compressor
- linear reciprocating
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Abstract
The utility model discloses a compressor crankshaft centre bore processingequipment, including the frame, set firmly in drilling equipment and the bent axle fixture of frame, drilling equipment contains two sets of drilling main shafts, bent axle fixture contains straight reciprocating drive mechanism, connects in the crossbeam of straight reciprocating drive mechanism's output, symmetrically locates the briquetting at crossbeam both ends, is located locating piece and stopper under the briquetting; the opposite surfaces of the positioning block and the pressing block are provided with V-shaped grooves, the output end of the linear reciprocating driving mechanism moves to drive the pressing block to press downwards to tightly press the long shaft end of the crankshaft in the V-shaped groove to clamp or drive the pressing block to move upwards to release the long shaft of the crankshaft, and the clamped long shaft of the crankshaft is coaxial with the drilling main shaft; the limiting block is fixedly arranged on the machine base, is positioned at the front end of the positioning block and is in contact with the crank end face of the crankshaft, and is axially limited when the drilling main shaft drills the long shaft of the crank.
Description
Technical Field
The utility model belongs to the technical field of the centre bore processingequipment, specifically speaking relate to a compressor crankshaft centre bore processingequipment.
Background
Referring to fig. 4, the compressor crankshaft 10 includes a crank portion 11, a short shaft 12 and a long shaft 13, the short shaft 12 and the long shaft 13 being located at both ends of the crank portion 11 and being non-coaxial; the cast blank needs to be machined in the machining process of the compressor crankshaft, wherein the long shaft and the short shaft of the compressor crankshaft are turned and ground so as to achieve the set shape and size, but the shaft ends need to be positioned in the turning and grinding processes of the short shaft and the long shaft, the existing method is to position through a center hole, and then a device is needed for machining the center hole of the compressor crankshaft.
Disclosure of Invention
The utility model aims at providing a compressor crankshaft centre bore processingequipment, its major axis axle head centre bore's that is meaning to solve the compressor processing problem.
In order to solve the technical problem, the purpose of the utility model is to realize like this:
a compressor crankshaft center hole machining device comprises a machine base, a drilling device and a crankshaft clamping mechanism, wherein the drilling device and the crankshaft clamping mechanism are fixedly arranged on the machine base, the drilling device comprises two groups of drilling main shafts, and the crankshaft clamping mechanism comprises a linear reciprocating driving mechanism, a cross beam connected to the output end of the linear reciprocating driving mechanism, pressing blocks symmetrically arranged at two ends of the cross beam, a positioning block and a limiting block, wherein the positioning block and the limiting block are positioned right below the pressing blocks; the opposite surfaces of the positioning block and the pressing block are provided with V-shaped grooves, the output end of the linear reciprocating driving mechanism moves to drive the pressing block to press downwards to tightly press the long shaft end of the crankshaft in the V-shaped groove to clamp or drive the pressing block to move upwards to release the long shaft of the crankshaft, and the clamped long shaft of the crankshaft is coaxial with the drilling main shaft; the limiting block is fixedly arranged on the machine base, is positioned at the front end of the positioning block and is in contact with the crank end face of the crankshaft, and is axially limited when the drilling main shaft drills the long shaft of the crank.
On the basis of the above scheme and as a preferable scheme of the scheme: the beam is movably connected with the output end of the linear reciprocating motion mechanism.
On the basis of the above scheme and as a preferable scheme of the scheme: the beam is provided with a containing groove for containing the output end of the linear reciprocating mechanism, and after the output end of the linear reciprocating mechanism is embedded into the containing groove, a pin shaft vertically penetrates through the beam and the output end of the linear reciprocating mechanism.
On the basis of the above scheme and as a preferable scheme of the scheme: still include drilling straight line toward motion, bent axle fixture passes through the sliding block set up in the frame that slides of slider component, drilling straight line reciprocating motion's output can drive bent axle fixture switches at clamping station and drilling station.
On the basis of the above scheme and as a preferable scheme of the scheme: the slide block assembly comprises a slide rail and a slide plate, the crankshaft clamping mechanism is fixedly arranged on the slide plate, the slide plate is connected with the machine base through the slide rail, the slide plate is fixedly arranged on the output end of the drilling reciprocating mechanism, and the crankshaft clamping mechanism is driven to switch between a clamping station and a drilling station by means of the motion of the output end of the drilling reciprocating mechanism.
Compared with the prior art, the utility model outstanding and profitable technological effect is: the compressor crankshaft clamping mechanism is provided with two groups of drilling main shafts, the compressor crankshafts are well and stably clamped through the crankshaft clamping mechanisms corresponding to the drilling main shafts, meanwhile, center holes of the two compressor crankshafts can be clamped and machined, the crankshaft clamping mechanism is simple in structure, stable and reliable in operation and higher in machining efficiency.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall structure of the clamping compressor crankshaft of the present invention;
FIG. 3 is a top view of the crankshaft structure of the clamping compressor of the present invention;
fig. 4 is a schematic view of a compressor crankshaft configuration.
Detailed Description
In order to make the purpose, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. All other embodiments obtained by a person skilled in the art without making any inventive step, based on the given embodiments, fall within the scope of protection of the present application.
In the description of the present application, it is to be understood that the terms "upper", "lower", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
In the description of the present application, the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated.
Referring to fig. 1-3, a compressor crankshaft central hole machining device includes a base 27, a drilling device 30 fixedly installed on the base 27, and a crankshaft clamping mechanism 20, where the drilling device 30 includes two sets of drilling spindles 33, the crankshaft clamping mechanism 20 includes a linear reciprocating driving mechanism 21, a cross beam 22 connected to an output end 211 of the linear reciprocating driving mechanism, pressing blocks 23 symmetrically installed at two ends of the cross beam 22, a positioning block 24 located right below the pressing block 23, and a limiting block 25; the opposite surfaces of the positioning block 25 and the pressing block 23 are provided with V-shaped grooves 241, the output end 211 of the linear reciprocating driving mechanism moves to drive the pressing block 23 to press downwards so as to press the long shaft 13 of the compressor crankshaft in the V-shaped grooves 241 to clamp or drive the pressing block 23 to move upwards so as to release the long shaft 13 of the crankshaft, and the clamped long shaft 13 of the compressor crankshaft is coaxial with the drilling spindle 33; at least three point contacts can be formed between the V-shaped groove 241 and the lower end face of the pressing block 23 and the long shaft 13, so that the clamping mode is more favorable for the stability of long shaft clamping and higher coaxiality with a cutting main shaft, and the positioning precision of a central hole of the clamping reliability is ensured.
In addition, further, because the axial pressure must be applied to the long shaft to ensure sufficient cutting feed when the drilling main shaft drives the drill bit to drill in contact with the end of the long shaft, the long shaft will slide in the direction of the axial pressure along the V-shaped groove, and the machining depth of the central hole is insufficient, in this embodiment, the limiting block 25 is fixedly arranged on the base 26, the limiting block 25 is positioned at the front end of the positioning block 25 and contacts with the end face of the crank portion 11 of the compressor crankshaft, axial limiting is performed when the drilling main shaft 33 drills the long shaft 13 of the compressor crankshaft, and the limiting block 25 blocks the crank portion when the axial pressure is applied, so that the axial movement of the compressor crankshaft is limited.
In this embodiment, the beam 22 is movably connected to the output end 211 of the linear reciprocating mechanism.
Specifically, as shown in fig. 1, the cross beam 22 is provided with a receiving groove 221 for receiving the output end 211 of the linear reciprocating mechanism, and after the output end 211 of the linear reciprocating mechanism is embedded in the receiving groove 221, a pin 222 vertically penetrates through the cross beam 22 and the output end 211 of the linear reciprocating mechanism.
Preferably, the end part 212 of the output end of the linear reciprocating mechanism is arc-shaped, and the accommodating groove 221 is in clearance fit with the output end to form a balance-shaped structure, so that when the output end of the linear reciprocating mechanism drives the beam 22 to press down, the pressure is distributed to the two pressing blocks in a balanced manner, and the balanced distribution of the pressure is realized.
Referring to fig. 3, the clamping device further comprises a drilling linear reciprocating mechanism 29, the crankshaft clamping mechanism 20 is slidably arranged on the base 27 through a sliding block assembly 28, and an output end of the drilling linear reciprocating mechanism 291 can drive the crankshaft clamping mechanism 20 to be switched between a clamping station and a drilling station, so that mechanical and rapid switching of the clamping mechanism in the process of center hole is realized.
The slide block assembly 28 comprises a slide rail 281 and a slide plate 282, the crankshaft clamping mechanism 20 is fixedly arranged on the slide plate 282, the slide rail comprises a guide rail 281 and a slide block 283, the slide block is fixedly connected with the slide plate 282, the slide block is slidably assembled on the guide rail, the guide rail is fixedly connected with the machine base, the slide plate 282 is connected with the machine base 27 through the slide rail 281, the slide plate 282 is fixedly arranged on the output end of the drilling reciprocating mechanism 29, and the output end of the drilling reciprocating mechanism 29 moves to drive the crankshaft clamping mechanism to switch between a clamping station and a drilling station.
Specifically, the clamping station is the position of the sliding plate from the drilling main shaft 33, a worker can control the crankshaft clamping mechanism 20 to clamp the compressor crankshaft at the position, the drilling station is the position of the sliding plate close to the drilling main shaft 33, and the long shaft end 131 of the compressor crankshaft can be drilled by the drilling main shaft at the position to form a center hole. The drilling reciprocating mechanism 29 comprises a servo motor 292 and a screw nut pair 291, a screw of the screw nut pair 291 is fixedly connected with an output shaft of the servo motor 292, a nut of the screw nut pair 291 is fixedly connected with a sliding plate 282, and the sliding plate is axially reciprocated along the screw rod by positive and negative rotation of the servo motor, so that the crankshaft clamping mechanism is driven to be switched between a clamping station and a drilling station.
The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (5)
1. The utility model provides a compressor crankshaft centre bore processingequipment, includes the frame, sets firmly in the drilling equipment and the bent axle fixture of frame, drilling equipment contains two sets of drilling main shafts, its characterized in that: the crankshaft clamping mechanism comprises a linear reciprocating driving mechanism, a cross beam connected to the output end of the linear reciprocating driving mechanism, press blocks symmetrically arranged at two ends of the cross beam, a positioning block positioned right below the press blocks and a limiting block; the opposite surfaces of the positioning block and the pressing block are provided with V-shaped grooves, the output end of the linear reciprocating driving mechanism moves to drive the pressing block to press downwards to tightly press the long shaft end of the crankshaft in the V-shaped groove to clamp or drive the pressing block to move upwards to release the long shaft of the crankshaft, and the clamped long shaft of the crankshaft is coaxial with the drilling main shaft; the limiting block is fixedly arranged on the machine base, is positioned at the front end of the positioning block and is in contact with the crank end face of the crankshaft, and is axially limited when the drilling main shaft drills the long shaft of the crank.
2. The central hole processing device for the crankshaft of the compressor as claimed in claim 1, wherein: the beam is movably connected with the output end of the linear reciprocating driving mechanism.
3. The central hole processing device for the crankshaft of the compressor as claimed in claim 1, wherein: the beam is provided with a containing groove for containing the output end of the linear reciprocating driving mechanism, and after the output end of the linear reciprocating driving mechanism is embedded into the containing groove, a pin shaft vertically penetrates through the beam and the output end of the linear reciprocating driving mechanism.
4. The central hole processing device for the crankshaft of the compressor as claimed in claim 1, wherein: still include drilling straight line toward motion, bent axle fixture passes through the sliding block set up in the frame that slides of slider component, drilling straight line reciprocating motion's output can drive bent axle fixture switches at clamping station and drilling station.
5. The central hole processing device for the crankshaft of the compressor as claimed in claim 4, wherein: the slide block assembly comprises a slide rail and a slide plate, the crankshaft clamping mechanism is fixedly arranged on the slide plate, the slide plate is connected with the machine base through the slide rail, the slide plate is fixedly arranged on the output end of the drilling reciprocating mechanism, and the crankshaft clamping mechanism is driven to switch between a clamping station and a drilling station by means of the motion of the output end of the drilling reciprocating mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921261248.8U CN210475612U (en) | 2019-08-06 | 2019-08-06 | Device for machining central hole of crankshaft of compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921261248.8U CN210475612U (en) | 2019-08-06 | 2019-08-06 | Device for machining central hole of crankshaft of compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210475612U true CN210475612U (en) | 2020-05-08 |
Family
ID=70534476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921261248.8U Expired - Fee Related CN210475612U (en) | 2019-08-06 | 2019-08-06 | Device for machining central hole of crankshaft of compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210475612U (en) |
-
2019
- 2019-08-06 CN CN201921261248.8U patent/CN210475612U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200508 |