CN212042720U - Motor casing simultaneous turning two-end-face core expansion clamp - Google Patents
Motor casing simultaneous turning two-end-face core expansion clamp Download PDFInfo
- Publication number
- CN212042720U CN212042720U CN202020392668.6U CN202020392668U CN212042720U CN 212042720 U CN212042720 U CN 212042720U CN 202020392668 U CN202020392668 U CN 202020392668U CN 212042720 U CN212042720 U CN 212042720U
- Authority
- CN
- China
- Prior art keywords
- taper body
- expanding
- pull rod
- sleeve
- clamp
- 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.)
- Active
Links
Images
Landscapes
- Jigs For Machine Tools (AREA)
Abstract
The utility model relates to a motor casing processing technology field, concretely relates to motor casing is car both ends face core anchor clamps that rise simultaneously, rise cover and axial positioning device including pull rod, tapering body, rubber. The accurate axial positioning of the calibration piece is realized through a positioning support plate, a guide post and an annular piston in the axial positioning device; the stable clamping of the calibration piece is realized by arranging the pull rod, the taper body and the rubber expansion sleeve, and the turning space is reserved by the positioning and clamping and restoring of the positioning and supporting plate after the positioning and clamping, so that the turning of the rabbets of the two end faces can be completed by one-time clamping. Not only improves the working efficiency, but also avoids the error caused by repeated positioning for many times, and effectively improves the processing precision. The rubber expansion sleeve is of a cylindrical structure, the inner hole is matched with the taper body to clamp the calibration piece, the rubber expansion sleeve and the inner hole of the motor shell have good coaxiality during machining, the form and position tolerance of the turned end face is low, and the yield of machining of the motor shell is greatly improved.
Description
Technical Field
The utility model relates to a motor casing processing technology field, concretely relates to motor casing is car both ends face core anchor clamps that rise simultaneously.
Background
The motor is widely applied to transmission of various mechanical equipment, a stator and a rotor are arranged in the motor, the size of a gap between the stator and the rotor can directly influence the performance of the motor, and the size of the gap is determined by the coaxiality of a core hole and rabbets at two ends of the motor shell. Therefore, with the increase in the size of the motor specification and the development of the high-voltage motor, the requirement for processing the coaxiality of the spigots at the two ends of the motor shell is higher and higher. However, in the traditional processing of the motor shell, the spigot at one end is positioned and clamped, and then the spigot at the other end is processed; or the inner cavity is used for positioning, and the rabbets at the two ends of the motor shell are processed by turning twice. Above-mentioned traditional processing not only machining efficiency is low, still can cause the error because of improper and the repeated positioning of processing mode, makes the motor casing inner chamber very big to the beat error of both ends tang axis, causes defects such as motor noise is big, generate heat. Therefore, the end face clamp tool of the motor shell lathe needs to be optimally designed and improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a motor casing car both ends face core anchor clamps that rise simultaneously to solve the prior art problem that exists among the above-mentioned background art.
For solving the above technical problem, the utility model provides a technical scheme does: the clamp for expanding the core of the motor shell simultaneously comprises a pull rod, a taper body, a rubber expanding sleeve and an axial positioning device; the pull rod is fixedly connected with a machine tool pull rod through a threaded pull sleeve, the taper body is sleeved on the outer side of the pull rod and is in sliding connection with the pull rod, the lower end of the taper body is fixedly connected with a flange plate through a bolt, and the flange plate is fixedly connected to a machine tool spindle; the rubber expansion sleeve is clamped on the pull rod and coaxially sleeved on the outer side of the taper body and is in sliding connection with the taper body; a cavity is formed in the lower portion inside the taper body, a base is arranged at the bottom end of the cavity, and the base is fixedly connected to the inner wall of the taper body; the axial positioning device comprises a positioning support plate, a guide post and an annular piston, wherein the positioning support plate is sleeved on the outer side of the taper body and fixedly connected with the guide post through a bolt, the lower end of the guide post is fixedly connected with the annular piston, and the annular piston is movably sleeved on the outer side of the taper body and slides along the taper body in the axial direction.
On the basis of the technical scheme, an air inlet support is arranged in the thread pull sleeve, an air pipe I, an air pipe II, an air path I and an air path II are fixedly arranged in the air inlet support, the tail end of the air pipe I is connected with the head end of the air path I in a penetrating manner, the tail end of the air pipe II is connected with the head end of the air path II in a penetrating manner, and the head ends of the air path I and the air path II penetrate through the thread pull sleeve and extend to the inside of the cavity.
On the basis of the technical scheme, an upper cavity is formed between the upper end face of the annular piston and the inner wall of the taper body, and a lower cavity is formed between the lower end face of the annular piston and the upper end face of the base.
On the basis of the technical scheme, the head end of the gas circuit I is in through connection with the upper cavity, and the head end of the gas circuit II is in through connection with the lower cavity.
On the basis of the technical scheme, the rubber expansion sleeve is of a cylindrical structure, the outer annular surface of the rubber expansion sleeve is a cylindrical surface, and the inner hole of the rubber expansion sleeve is a tapered hole matched with the tapered body.
On the basis of the technical scheme, a first groove is formed in the upper end face of the base, a second groove is formed in the lower end face of the annular piston, the first groove is matched with the second groove in position and forms an accommodating cavity, and a spring is arranged in the accommodating cavity.
On the basis of the technical scheme, the pull rod is fixedly provided with an anti-rotation screw.
On the basis of the technical scheme, the thread pull sleeve is fixedly provided with an anti-rotation pin.
The utility model provides a beneficial effect that technical scheme produced lies in:
1. accurate axial positioning to the calibration piece is realized through setting up location supporting disk, guide post and annular piston, then realize pressing from both sides tightly firmly to the calibration piece through setting up pull rod, tapering body and rubber cover that rises, and the location supporting disk reversion reserves the turning space after accomplishing the location and pressing from both sides tightly can realize that the turning of both ends face tang is accomplished simultaneously to the clamping. Not only improves the working efficiency, but also avoids the error caused by repeated positioning for many times, and effectively improves the processing precision.
2. The rubber expansion sleeve is of a cylindrical structure, the inner hole is matched with the taper body to clamp the calibration piece, and the outer ring surface is a cylindrical surface, so that the clamping effect on the calibration piece is more stable. The rubber expansion sleeve and the inner hole of the motor shell have good coaxiality during machining, the form and position tolerance of the turned end face is low, and the yield of machining of the motor shell is greatly improved.
3. Through set up on the pull rod prevent changeing the screw and set up the anti-rotating round pin on the screw pull sleeve, can prevent that pull rod, screw pull sleeve and tapering body from taking place relative rotation in the course of working to the clamp of calibration piece is firm more.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a cross-sectional view of the present invention;
Detailed Description
The invention will be further explained with reference to the following figures and examples:
in the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it is to be understood that the terms "left", "right", "front", "back", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 and 2, the motor casing is simultaneously turned with the two end-face core expanding clamp, which comprises a pull rod 1, a taper body 2, a rubber expanding sleeve 3 and an axial positioning device.
The pull rod 1 is fixedly connected with a machine tool pull rod through a threaded pull sleeve 4, the taper body 2 is sleeved on the outer side of the pull rod 1 and is in sliding connection with the pull rod 1, the lower end of the taper body 2 is fixedly connected with a flange plate 5 through a bolt, and the flange plate 5 is fixedly connected to a machine tool spindle. The rubber expansion sleeve 3 is clamped on the pull rod 1, and the rubber expansion sleeve 3 is coaxially sleeved on the outer side of the taper body 2 and is in sliding connection with the taper body 2; the cavity has been seted up to the inside below of tapering body 2, and the bottom of cavity is provided with base 6, and base 6 fixed connection is on the inner wall of tapering body 2. The axial positioning device comprises a positioning support plate 7, a guide post 8 and an annular piston 9, wherein the positioning support plate 7 is sleeved on the outer side of the taper body 2, the positioning support plate 7 is fixedly connected with the guide post 8 through a bolt, the lower end of the guide post 8 is fixedly connected with the annular piston 9, and the annular piston 9 is movably sleeved on the outer side of the taper body 2 and slides axially along the taper body 2.
Accurate axial positioning of the calibration piece is achieved by arranging the positioning support plate 7, the guide post 8 and the annular piston 9 in the axial positioning device, then the calibration piece 19 is stably clamped by arranging the pull rod 1, the taper body 2 and the rubber expansion sleeve 3, and after positioning and clamping are completed, the positioning support plate 7 returns to the original position to reserve a turning space, so that one-time clamping and turning of two end face rabbets can be completed. Because only one clamping and positioning process is needed, the machining efficiency can be effectively improved. In addition, good coaxiality between the rubber expansion sleeve and the inner hole of the motor shell can be guaranteed through one-time clamping and positioning, the end face form and position tolerance after turning is small, errors caused by repeated positioning are avoided, and the machining precision and the yield of the motor shell are effectively improved.
On the basis of the technical scheme, the rubber expansion sleeve 3 is arranged to be of a cylindrical structure, the outer annular surface of the rubber expansion sleeve is a cylindrical surface, and the inner hole of the rubber expansion sleeve is a tapered hole matched with the tapered body 2. Through setting up rubber expansion sleeve 3 and be cylindric structure, the hole realizes pressing from both sides tightly calibrating piece 19 with the cooperation of tapering body 2, and outer anchor ring is the face of cylinder, and is more firm to the clamping effect of calibrating piece 19. The rubber expansion sleeve 3 and the inner hole of the motor shell have good coaxiality during machining, the form and position tolerance of the turned end face is low, and the yield of machining the motor shell is greatly improved.
During specific work, gas enters the lower cavity through a gas pipe I11 connecting gas path I13, the annular piston 9 is pushed to move upwards along the axial direction through pressure, and the guide post 8 is fixedly connected with the annular piston 9, so that the guide post 8 pushes the positioning support plate 7 to move upwards to a required position along the axial direction, the calibration piece 19 is installed, and the axial positioning of the calibration piece is completed; then a machine tool pull rod pulls the pull rod 1 through the thread pull sleeve 4, the pull rod 1 compresses the rubber expansion sleeve 3 downwards along the axial direction, and the rubber expansion sleeve 3 expands outwards under the matching action of the taper body 2, so that the calibration piece 19 is clamped; after the positioning and clamping of the calibration piece 19 are completed, gas is connected with the gas circuit II14 through the gas pipe II12 to enter the upper cavity, the annular piston 9 is pushed to move downwards along the axial direction through pressure, the positioning support disc 7 is driven to return to the original position, and a turning space is reserved for the machining of the motor shell. Therefore, the process can realize one-time clamping and positioning, and the simultaneous processing of the two end faces and the seam allowance of the motor shell is completed. It should be noted that the calibration piece 19 is referred to herein as a workpiece in actual processing.
More preferably, a first groove is formed in the upper end face of the base 6, a second groove is formed in the lower end face of the annular piston 9, the first groove and the second groove are matched in position and form an accommodating cavity 15, and a spring 16 is arranged in the accommodating cavity 15. The spring 16 is arranged to assist the annular piston 9 to move axially upward, and specifically, the spring 16 is located in the accommodating cavity 15 and is in a compressed state, and when the starting air passage pushes the annular piston 9 to move axially upward along the taper body 2, the force of the spring 16 stretching while stretching can assist in pushing the annular piston 9 to move upward.
More preferably, an anti-rotation screw 17 is fixedly mounted on the pull rod 1. An anti-rotation pin 18 is fixedly arranged on the thread pulling sleeve 4. Through set up on pull rod 1 and prevent changeing screw 17 and set up on screw draws cover 4 and prevent changeing round pin 18, can prevent that pull rod 1, screw draw cover 4 and tapering body 2 from taking place relative rotation in the course of working to the clamp of calibration piece is firm more.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The motor shell is simultaneously turned with the two end surface core expanding clamp, and is characterized by comprising a pull rod (1), a taper body (2), a rubber expanding sleeve (3) and an axial positioning device; the pull rod (1) is fixedly connected with a machine tool pull rod through a threaded pull sleeve (4), the taper body (2) is sleeved on the outer side of the pull rod (1) and is in sliding connection with the pull rod (1), the lower end of the taper body (2) is fixedly connected with a flange plate (5) through a bolt, and the flange plate (5) is fixedly connected to a machine tool spindle; the rubber expansion sleeve (3) is clamped on the pull rod (1), and the rubber expansion sleeve (3) is coaxially sleeved on the outer side of the taper body (2) and is in sliding connection with the taper body (2); a cavity is formed in the lower portion of the inner portion of the taper body (2), a base (6) is arranged at the bottom end of the cavity, and the base (6) is fixedly connected to the inner wall of the taper body (2); the axial positioning device comprises a positioning support plate (7), a guide post (8) and an annular piston (9), wherein the positioning support plate (7) is sleeved on the outer side of the taper body (2), the positioning support plate (7) is fixedly connected with the guide post (8) through a bolt, the lower end of the guide post (8) is fixedly connected with the annular piston (9), and the annular piston (9) is movably sleeved on the outer side of the taper body (2) and slides axially along the taper body (2).
2. The motor casing is turned two end faces simultaneously and core expanding clamp is characterized in that an air inlet support (10) is arranged in the threaded pull sleeve (4), an air pipe I (11), an air pipe II (12), an air circuit I (13) and an air circuit II (14) are fixedly arranged in the air inlet support (10), the tail end of the air pipe I (11) is in through connection with the head end of the air circuit I (13), the tail end of the air pipe II (12) is in through connection with the head end of the air circuit II (14), and the head ends of the air circuit I (13) and the air circuit II (14) extend to the inside of the cavity through the threaded pull sleeve (4).
3. The clamp for expanding the core of the motor casing simultaneously turned into two end faces as claimed in claim 1, wherein the upper end face of the annular piston (9) and the inner wall of the taper body (2) form an upper cavity, and a lower cavity is formed between the lower end face of the annular piston (9) and the upper end face of the base (6).
4. The motor casing simultaneous turning two-end-face core expanding clamp as claimed in claim 3, wherein the head end of the gas path I (13) is in through connection with the upper chamber, and the head end of the gas path II (14) is in through connection with the lower chamber.
5. The clamp for expanding the core of the motor shell simultaneously turned into two end faces as claimed in claim 1, wherein the rubber expanding sleeve (3) is set into a cylindrical structure, the outer annular surface of the rubber expanding sleeve is a cylindrical surface, and the inner hole of the rubber expanding sleeve is a tapered hole matched with the tapered body (2).
6. The clamp for expanding the core of the motor casing simultaneously turned into two end faces as claimed in claim 1, wherein a first groove is formed in the upper end face of the base (6), a second groove is formed in the lower end face of the annular piston, the first groove and the second groove are matched in position and form an accommodating cavity (15), and a spring (16) is arranged in the accommodating cavity (15).
7. The clamp for simultaneously turning two end faces of a motor casing and expanding the core as claimed in any one of claims 1 to 6, wherein an anti-rotation screw (17) is fixedly mounted on the pull rod (1).
8. The clamp for simultaneously turning two end surfaces of a motor shell and expanding the core as claimed in any one of claims 1 to 6, wherein an anti-rotation pin (18) is fixedly mounted on the threaded pull sleeve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020392668.6U CN212042720U (en) | 2020-03-25 | 2020-03-25 | Motor casing simultaneous turning two-end-face core expansion clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020392668.6U CN212042720U (en) | 2020-03-25 | 2020-03-25 | Motor casing simultaneous turning two-end-face core expansion clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212042720U true CN212042720U (en) | 2020-12-01 |
Family
ID=73530004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020392668.6U Active CN212042720U (en) | 2020-03-25 | 2020-03-25 | Motor casing simultaneous turning two-end-face core expansion clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212042720U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115213445A (en) * | 2022-08-29 | 2022-10-21 | 南通美群节能应用技术有限公司 | Clamp and method capable of realizing finish machining of end face and two edges of seam allowance of motor shell |
| CN116380344A (en) * | 2023-06-05 | 2023-07-04 | 浙江华朔科技股份有限公司 | Fixing mechanism for new energy automobile motor shell detection tool and tool |
| CN118513883A (en) * | 2024-07-19 | 2024-08-20 | 通用技术集团机床工程研究院有限公司大连分公司 | Clamp for tensioning workpiece through inner hole |
-
2020
- 2020-03-25 CN CN202020392668.6U patent/CN212042720U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115213445A (en) * | 2022-08-29 | 2022-10-21 | 南通美群节能应用技术有限公司 | Clamp and method capable of realizing finish machining of end face and two edges of seam allowance of motor shell |
| CN116380344A (en) * | 2023-06-05 | 2023-07-04 | 浙江华朔科技股份有限公司 | Fixing mechanism for new energy automobile motor shell detection tool and tool |
| CN116380344B (en) * | 2023-06-05 | 2023-10-20 | 浙江华朔科技股份有限公司 | Fixing mechanism for new energy automobile motor shell detection tool and tool |
| CN118513883A (en) * | 2024-07-19 | 2024-08-20 | 通用技术集团机床工程研究院有限公司大连分公司 | Clamp for tensioning workpiece through inner hole |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212042720U (en) | Motor casing simultaneous turning two-end-face core expansion clamp | |
| CN107378004B (en) | Contact type central water outlet permanent magnet synchronous electric spindle | |
| CN210232619U (en) | Honing center | |
| CN203610707U (en) | Special fixture for turning excircle of thin-wall cylinder body | |
| CN104275495A (en) | Machining system and machining method of automobile differential shell | |
| CN104907868A (en) | Hydraulic automatic clamp for turning motor shell | |
| CN111482832A (en) | Self-centering clamping fixture and fixture assembly for machining shaft end surface hole | |
| CN108838417B (en) | Clamp for machining shaft sleeve parts | |
| CN212635026U (en) | Ultrasonic knife handle without sealing nut | |
| CN103212898B (en) | A kind of Pneumatic clamping system being applicable to thin-wall pipes | |
| CN219074939U (en) | Clamping device for thin-wall pipe fitting machining | |
| CN112605672B (en) | Auxiliary clamp for machining parts by taking square holes as reference | |
| CN212823462U (en) | Pneumatic clamping device for pipes and bars | |
| CN210335246U (en) | Lathe combined fixture for machining long-cylinder thin-wall parts | |
| CN211464867U (en) | Tool for integrally and finely turning spherical surface and inner hole of bevel gear by three claws | |
| CN212552828U (en) | Self-centering clamping fixture and fixture assembly for machining shaft end surface hole | |
| CN212286712U (en) | Motor casing numerical control anchor clamps | |
| CN111618317B (en) | Motor casing ultra-precision numerical control machine tool | |
| CN109474141B (en) | A kind of permanent magnet motor stator processing tool and its operating method | |
| CN208628467U (en) | Centering elastic expanding fixture | |
| CN104096963B (en) | A kind of steel pistons friction welding (FW) clamping and positioning method | |
| CN216178694U (en) | A ring flange drilling chamfer anchor clamps for motor housing | |
| CN111360556A (en) | Clamping fixture for outer barrel parts | |
| CN221658007U (en) | Motor housing clamp and machining device | |
| CN217990982U (en) | Lathe tool for machining long and thin-walled workpiece |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |