CN211360672U - Novel numerical control machining center is built-in to have a sword, center goes out water permanent magnetism synchronous electric main shaft - Google Patents
Novel numerical control machining center is built-in to have a sword, center goes out water permanent magnetism synchronous electric main shaft Download PDFInfo
- Publication number
- CN211360672U CN211360672U CN201922260895.3U CN201922260895U CN211360672U CN 211360672 U CN211360672 U CN 211360672U CN 201922260895 U CN201922260895 U CN 201922260895U CN 211360672 U CN211360672 U CN 211360672U
- Authority
- CN
- China
- Prior art keywords
- pull rod
- piston
- connecting rod
- main shaft
- pull
- 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
- Gripping On Spindles (AREA)
Abstract
The utility model discloses a novel numerical control machining center built-in knife beating and central water outlet permanent magnet synchronous electric main shaft, which comprises a shell, a pull rod connecting rod, a piston, a rotary joint, a knife handle, a water leakage hole, a piston cover and a cylinder body which are arranged on the shell, and a main shaft, a pull rod, a stator, a rotor, a pulling claw and a disc spring which are arranged inside the shell; the knife handle is connected to the right end of the pull rod through the pull claw; the device has good sealing performance; the connecting rod of the pull rod and the connecting rod of the pull rod in the main shaft are firmly connected, the transmission is reliable, and the rotation precision is greatly improved, so that the vibration problem of the main shaft during high-speed operation is reduced, the smoothness of a workpiece during cutting and machining is improved, and the service life of a bearing is prolonged; the pull rod connecting rod penetrates through the center of the piston to be connected with the pull rod, and the main shaft does not need to penetrate through the piston to extend out, so that the axial size of the device can be greatly shortened, the cost is saved, and the processing difficulty of the main shaft is also reduced.
Description
Technical Field
The utility model belongs to the technical field of the numerical control processing, especially, relate to novel numerical control machining center embeds and beats sword, central water permanent magnetism synchronization electric main shaft.
Background
With the wide application of light alloy materials in the design and manufacture of technical products such as automobiles, aviation, aerospace and the like in recent years, high-speed processing becomes an important development trend of advanced manufacturing technology. The high-speed electric spindle is a core component of a high-speed processing machine tool, and the working principle of a tool clamping and loosening device in the electric spindle is as follows: the air (liquid) cylinder provides the power needed by loosening the cutter, and the disc spring provides the pulling force needed by clamping the cutter. When the cutter is released, the air (liquid) cylinder pushes the piston to move downwards, and then pushes the cutter pull rod to move forwards to realize cutter feeding action. When the cutter is clamped, the piston moves downwards, and the pull rod moves upwards under the action of the elasticity of the belleville spring, so that the cutter is tensioned. The electric main shaft adopts a mode that the motor directly drives the main shaft to rotate, zero transmission of the machine tool main shaft is realized, and the electric main shaft has the advantages of compact structure, easiness in balance, high transmission efficiency and the like.
However, since the matching of the parts of the electric spindle is very tight, once one of the parts is damaged during operation, the operation of the whole electric spindle is affected.
The machining center in the market at present is built internally with the cutter, and central play water electricity main shaft causes the problem such as leaking, vibrations because of the structure is special easily to lead to the bearing to damage prematurely, the life of electricity main shaft shortens.
SUMMERY OF THE UTILITY MODEL
For solving the above drawback of current electricity main shaft structure, realize preventing that electricity main shaft from leaking, reducing vibrations, improving main shaft and cutter life to improve the purpose of main shaft machining precision, the utility model provides a novel numerical control machining center embeds and beats sword, central play water permanent magnetism synchronization electricity main shaft, specific technical scheme as follows:
a novel numerical control machining center is internally provided with a cutter and a central water outlet permanent magnet synchronous electric spindle and comprises a shell, a pull rod connecting rod, a piston, a rotary joint and a cutter handle,
a water leakage hole arranged on the shell, a piston cover and a cylinder body,
the main shaft, the pull rod, the stator, the rotor, the pull claw and the disc spring are arranged in the shell;
the knife handle is connected to the lower end of the pull rod through the pull claw;
the rotary joint is connected to the upper end of the pull rod connecting rod;
the pull rod is positioned in the cavity of the main shaft;
the piston is sleeved outside the periphery of the pull rod connecting rod, the outer circle of the pull rod connecting rod is provided with a step, the piston is clamped at the upper part of the step of the outer circle of the pull rod connecting rod, and the cylinder body is sleeved outside the periphery of the piston;
the two ends of the cylinder body are respectively connected with the shell and the piston cover, the piston cover and the cylinder body form a unclamping cylinder, an oil cavity is positioned in the unclamping cylinder, hydraulic oil in the oil cavity pushes the piston to move downwards, and the piston pushes the pull rod connecting rod and the pull rod to move rightwards, so that the aim of unclamping is fulfilled;
the utility model discloses a tool, including rotary joint, pull rod and handle of a knife, the cavity sets up in rotary joint, pull rod and the handle of a knife, and the rotary joint upper end is the water inlet, and the water inlet of rotary joint, the pull rod connect the pole, the cavity intercommunication of pull rod and handle of a knife and coaxial, and when main shaft during operation, cooling water lets in from rotary joint's water inlet, and rivers connect the pole through the pull rod, the downthehole flow of pull rod handle to the handle of a knife of lower extreme is inside, flows through the cutter at last, has reached the purpose that the center goes out water, cools off.
The motor rotor is formed by attaching permanent magnets to the outer circumference of the rotor and forming a permanent magnet synchronous motor with a stator thermally rotating in a shell;
preferably, the pull rod extension rod and the piston extend out of the housing.
Preferably, the pull rod and the pull rod connecting rod are connected by long threads, two symmetrically distributed screws are adopted for radial locking, and the disc spring is pre-pressed between the lower end surface of the pull rod connecting rod and the step surface of the pull rod; and the upper end surface of the pull rod is tightly pressed with the inner end surface of the pull rod connecting rod, and when the cutter is loosened, the right end surface of the pull rod and the threads bear the force required by loosening the cutter simultaneously.
Preferably, the utility model provides an among the electricity main shaft structure, the pull rod connects the pole to adopt the close clearance fit to be connected with the main shaft hole, adopt the transmission of cross keyway, the pull rod connects the pole excircle to set up the cross keyway, spindle nose sets up and cross keyway complex concave-convex structure, the pull rod connects pole cross keyway notch portion to detain with the bulge of main shaft mutually, the hindrance of pull rod extension pole back-and-forth movement has been avoided, make the pull rod connect the pole can free back-and-forth movement, accurate sliding fit is constituteed to the axial, main shaft direct drive pull rod extension pole has been increased on transmission's basis in the past and has been transmitted power, driven reliability and pulling and broach function have been realized.
The utility model provides an electric main shaft structure, which also comprises a piston induction sleeve, a loose broach induction sleeve, a piston sensor, a loose broach sensor and a broach sensor;
the piston induction sleeve and the loosening broach induction sleeve are respectively and fixedly arranged on the pull rod connecting rod;
a first bracket is arranged at the upper end of the piston cover, and the piston sensor is arranged on the first bracket;
the upper end of the piston cover is also provided with a second support, and the cutter loosening sensor and the cutter pulling sensor are arranged on the second support.
The excircle of the induction sleeve is stepped, the sensor can sense the protruding position of the induction sleeve, the sensor is provided with a wire and an LED lamp, and an indicator lamp of the sensor can shine when sensing the protruding position of the induction sleeve, so that the three sensors can shine respectively at three positions of the cutter loosening position, the cutter pulling position and the piston returning position, and the working state of the spindle is intuitively reflected.
Specifically, the loose broach induction sleeve and the pull rod connecting rod are fastened by a set screw.
Preferably, a first O-shaped ring is arranged between the lower end face of the loose broach induction sleeve and the step of the pull rod extension rod in a pressing mode, the O-shaped ring is arranged at the position to prevent water leaked by a cooling cutter from entering the main shaft, and the loose broach induction sleeve throws out most of the water to form first sealing.
Furthermore, a rear sealing nut is arranged inside the shell and at the rear end of the main shaft, a boss of the rear nut and an end surface groove of an inner cavity of the shell form labyrinth seal, a second seal is formed, water is blocked in the cavity of the shell, and then the water flows out along the water leakage hole.
Preferably, a second O-shaped ring is arranged between the upper end face of the pull rod and an inner concave platform of the pull rod connecting rod for pressing, so that cooling water is prevented from flowing out of the position; the cooling water enters from the water inlet of the rotary joint, flows through the inner hole of the connecting rod of the pull rod connected with the rotary joint, flows into the interior of the cutter handle at the lower end through the small hole at the center of the pull rod, and finally flows out through the cutter.
The pull rod connecting rod is provided with a groove at the outer circle, a third O-shaped ring is placed in the groove, and the third O-shaped ring is matched with an inner hole of the main shaft, so that the matching tightness is enhanced.
Preferably, two wear-resistant belts with low friction coefficients are placed between the outer circle of the upper end of the connecting rod of the pull rod and the piston to play a role in auxiliary support, so that the rotation precision of the connecting rod is ensured. The service life of the bearing is effectively prolonged.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the multi-way sealing formed by the first O-shaped ring, the second O-shaped ring and the labyrinth sealing is adopted, so that the sealing effect is greatly improved, and the service life of the main shaft is prolonged;
(2) the connecting rod of the pull rod and the connecting rod of the pull rod in the main shaft are firmly connected, the transmission is reliable, and the rotation precision is greatly improved, so that the vibration problem of the main shaft during high-speed operation is reduced, the smoothness of a workpiece during cutting and machining is improved, and the service life of a bearing is prolonged;
(3) in the electric spindle structure provided by the utility model, the pull rod connecting rod is adopted to pass through the center of the piston, the outer part is directly connected with the rotary joint, and the inner part is connected with the pull rod, so as to prevent the cooling liquid of the cooling tool from leaking, and avoid the burning out of the motor due to the damp;
(4) the outer circle of the lower end of the connecting rod of the pull rod is in small clearance fit with the inner hole of the main shaft, and two wear-resistant belts with low friction coefficients are arranged between the outer circle of the upper end and the piston to play a role of auxiliary support, so that the rotation precision of the connecting rod is ensured, and the service life of the bearing is effectively prolonged;
(5) the pull rod connecting rod penetrates through the center of the piston to be connected with the pull rod, and the main shaft does not need to penetrate through the piston to extend out, so that the axial size of the device can be greatly reduced, the cost is saved, the processing difficulty of the main shaft is reduced, and the device has economy;
(6) the upper end of the main shaft is provided with the induction sleeves on the piston and the pull rod connecting rod respectively, so that the condition of loosening the cutter and the condition of returning the piston can be reflected more intuitively, the reliability of rotation is ensured, and the phenomena of friction and damage caused by the fact that the piston does not return to the bin to promote starting are avoided.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.
Fig. 1 is a structural diagram of a permanent magnet synchronous electric spindle provided by the present invention;
fig. 2 is a lateral view of a pull rod connecting rod and a cross key groove transmission structure of a main shaft in the permanent magnet synchronous electric main shaft provided by the utility model;
FIG. 3 is a transverse view of a transmission structure of a connecting rod of a pull rod and a cross key slot of a main shaft in the permanent magnet synchronous electric main shaft provided by the invention;
FIG. 4 is a schematic diagram of a structure of a connecting rod and a spindle of a conventional electric spindle;
fig. 5 is a schematic view of the mutual structure of the tension rod connecting rod and the main shaft in the permanent magnet synchronous electric main shaft according to the present invention.
The device comprises a main shaft 1, a rear sealing nut 2, a pull rod 3, a piston 4, a piston 5, a piston sensor 6, a piston sensing sleeve 7, a loose broach sensing sleeve 8, a first O-shaped ring 9, a loose broach sensor 10, a second O-shaped ring 11, a pull rod 12, a third O-shaped ring 13, a shell 14, a water leakage hole 15, a wear-resistant belt 16, a piston cover 17, a stator 18, a rotor 19, a claw 20, a knife handle 21, a rotary joint 22, a first support 23, a second support 24, a disc spring 25, a cylinder body 26, an oil cylinder 27 and a screw 28.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and the like are used herein for illustrative purposes only, and represent the relative positions of the components, and do not limit the direction of use of the device.
A novel numerical control machining center is internally provided with a tool beating and central water outlet permanent magnet synchronous electric spindle, which comprises a shell 14, a pull rod connecting rod 3, a piston 4, a tool handle 21 and a rotary joint 22,
a water leakage hole 15 arranged on the shell 14, a piston cover 17 and a cylinder body 26,
the main shaft 1, the pull rod 12, the stator 18, the rotor 19, the pull claw 20 and the disc spring 25 are arranged in the shell 14;
the knife handle 21 is connected to the lower end of the pull rod 12 through the pull claw 20;
the rotary joint 22 is connected to the upper end of the pull rod connecting rod 3;
the pull rod 12 is positioned in the cavity of the main shaft 1;
the piston 4 is externally sleeved on the periphery of the pull rod connecting rod 3, a step is arranged on the outer circle of the pull rod connecting rod 3, the piston 4 is clamped on the upper part of the step of the outer circle of the pull rod connecting rod 3, and the cylinder body 26 is externally sleeved on the periphery of the piston 4;
the two ends of the cylinder body 26 are respectively connected with the shell 14 and the piston cover 17, the piston 4, the piston cover 17 and the cylinder body 26 form a unclamping cylinder, the oil cavity 27 is positioned in the unclamping cylinder, hydraulic oil in the oil cavity 27 pushes the piston to move rightwards, and the piston pushes the pull rod connecting rod 3 and the pull rod 12 to move downwards, so that the purpose of unclamping is achieved;
rotary joint 22, the pull rod connects pole 3, pull rod 12 and handle of a knife 21 are connected in order, rotary joint 22, the pull rod connects pole 3, set up the cavity in pull rod 12 and the handle of a knife 21, the rotary joint upper end is the water inlet, rotary joint's water inlet, the pull rod connects the pole, the cavity intercommunication and the coaxial of pull rod and handle of a knife, when main shaft during operation, cooling water lets in from rotary joint 22's water inlet, rivers connect pole 3 through the pull rod, the downthehole handle of a knife 21 of lower extreme flows to the aperture at pull rod 12 center, at last through the cutter outflow, the center has been reached and has been gone out water, the purpose of cooling.
The motor rotor 19 is a permanent magnet synchronous motor formed by attaching permanent magnets to the outer circumference of the rotor and the stator 18 which is thermally arranged in the shell 14;
preferably, the rod extension rod 3 and the piston 4 extend outside the housing 14.
Preferably, the pull rod 12 and the pull rod connecting rod 3 are connected by long threads, and are radially locked by two symmetrically distributed screws 28, so that the disc spring 25 is pre-pressed between the lower end surface of the pull rod connecting rod 3 and the step surface of the pull rod 12; and the upper end surface of the pull rod 12 is tightly pressed with the inner end surface of the pull rod connecting rod 3, and when the cutter is loosened, the right end surface of the pull rod 12 and the threads bear the force required by the cutter loosening.
In the existing electric main shaft structure in the market, the pull rod only tensions the tool handle under the elasticity of the disc spring, the tool handle rotates by the friction force between the conical surface of the tool handle and the conical surface of the main shaft, and the tool handle drives the pull rod and the pull rod connecting rod to rotate, so that the problem that the machining precision is affected by the jumping caused by the transmission due to the fact that the connecting rod part is too long is solved. And the utility model provides an among the electricity main shaft structure, the pull rod connects pole 3 and the little clearance fit of 1 hole of main shaft, adopts the transmission of cross keyway, and the pull rod connects the pole 3 excircle to set up the cross keyway, and 1 tip of main shaft sets up and cross keyway complex concave-convex structure, and the pull rod connects pole 3 and main shaft cross keyway cooperation transmission structure as shown in figure 2 and figure 3. The cross keyway notch part of the pull rod connecting rod 3 is buckled with the convex part of the spindle, so that the obstruction of the pull rod connecting rod 3 in moving up and down is avoided, the pull rod connecting rod 3 can move up and down freely, the spindle forms precise sliding fit, the spindle directly drives the pull rod connecting rod 3 to transmit power on the basis of the conventional transmission mode, and the transmission reliability, the pulling function and the broaching function are realized. The pull rod connects pole 3 excircle to set up the recess, places third O shape circle 13 in the recess, third O shape circle 13 and the cooperation of main shaft 1 hole have strengthened the complex tightness.
The connecting transmission between the pull rod connecting rod 3 and the main shaft 1 is reliable and the matching is tight.
The electric spindle structure provided by the utility model also comprises a piston induction sleeve 6, a loose broach induction sleeve 7, a piston sensor 5, a broach sensor 9 and a loose broach sensor 10;
the piston induction sleeve 6 and the loose broach induction sleeve 7 are respectively and fixedly arranged on the pull rod connecting rod 3;
a first bracket 23 is arranged at the upper end of the piston cover 17, and the piston sensor 5 is arranged on the first bracket 23;
the upper end of the piston cover 17 is also provided with a second bracket 24, and the broach sensor 9 and the unclamp sensor 10 are arranged on the second bracket 24.
The excircle of the induction sleeve is stepped, the sensor can sense the protruding position of the induction sleeve, the sensor is provided with a wire and an LED lamp, and an indicator lamp of the sensor can shine when sensing the protruding position of the induction sleeve, so that the three sensors can shine respectively at three positions of the cutter loosening position, the cutter pulling position and the piston returning position, and the working state of the spindle is intuitively reflected.
Specifically, the loose broach induction sleeve 7 and the pull rod connecting rod 3 are fastened by a set screw.
Preferably, a first O-shaped ring 8 is further arranged and pressed between the lower end face of the loose broach induction sleeve 7 and the step of the pull rod extension rod 3, the O-shaped ring is arranged here, water leaked by a cooling cutter can be prevented from entering the main shaft, and most of the water is thrown out by the loose broach induction sleeve 7 to form first sealing.
Furthermore, a rear sealing nut 2 is arranged inside the shell 14 and at the rear end of the main shaft, a boss of the rear sealing nut 2 and a groove on the end face of the inner cavity of the shell 14 form labyrinth seal, a second seal is formed, water is blocked in the cavity of the shell 14, and then the water flows out along the water leakage hole 15.
Preferably, a second O-shaped ring 11 is arranged between the upper end surface of the pull rod 12 and an inner concave platform of the pull rod connecting rod 3 for compressing, so that cooling water is prevented from flowing out of the position; the cooling water enters from the water inlet of the rotary joint, flows through the inner hole of the connecting rod 3 of the pull rod connected with the rotary joint, flows into the knife handle 21 at the right end through the small hole at the center of the pull rod 12, and finally flows out through the knife.
The arrangement of three O-shaped rings ensures the sealing performance of the device.
Preferably, two wear-resistant belts 16 with low friction coefficients are arranged between the outer circle of the upper end of the pull rod connecting rod 3 and the piston 4, so that the function of auxiliary support is achieved, and the rotation precision of the connecting rod is guaranteed. The service life of the bearing is effectively prolonged.
The use process of the device is as follows: when the spindle stops and needs to be changed, hydraulic oil in the oil cavity 27 pushes the piston 4 to move downwards, then the piston 4 pushes the pull rod extension rod 3, the pull rod 12 and the pull claw 20 connected with the pull rod to move rightwards, under the action of pushing force, the disc spring 25 is compressed due to the blocking of the inner hole step at the upper end of the spindle, the pull rod and the pull claw 20 continue to move downwards, and when four claw pieces of the pull claw enter the cavity at the front end of the spindle, the disc spring can automatically open, so that the action of breaking the cutter is realized.
The electric spindle structure provided by the utility model adopts the pull rod and the connecting rod to directly extend out from the interior of the piston, and is not a structure of the traditional electric spindle which extends out through the inner hole of the piston and the connecting rod and then through the shaft hole, as shown in figure 4; the structure provided by the utility model, as shown in fig. 5, greatly shortens the length of the main shaft, not only saves materials, reduces the processing cost, but also reduces the processing difficulty of the main shaft; meanwhile, because the main shaft does not pass through the center of the piston any more, the related components can be reduced in size appropriately, and the installation space is saved.
When the piston 4 and the piston sensing sleeve 6 move downwards, the pull rod connecting rod 3, the knife loosening sensing sleeve 7 and the pull rod 12 are driven to move downwards, and when a certain position (knife loosening) is reached, an indicator light of the knife loosening sensor 10 is on; when the pull rod connecting rod 3, the loosening broach induction sleeve 7 and the pull rod 12 move upwards, the piston 4 and the piston induction sleeve 6 are pushed to move upwards, and when the cutter is tensioned, the broach sensor 9 is on. At the moment, the pull rod connecting rod 3, the loosening broach induction sleeve 7 and the pull rod 12 do not move any more, the piston 4 and the piston induction sleeve 6 continue to move leftwards, when the piston 4 and the piston induction sleeve 6 are contacted with the piston cover, the piston sensor 5 stops moving, at the moment, an indicator light is turned on to indicate that the piston returns and is separated from the pull rod connecting rod 3, and the machine tool can be started to work; the phenomenon that the piston is damaged due to non-return and friction with the pull rod connecting rod 3 is avoided, and the device has intuition.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A novel numerical control machining center is internally provided with a tool beating and central water outlet permanent magnet synchronous electric spindle and is characterized by comprising a shell, a pull rod connecting rod, a piston, a rotary joint and a tool handle,
a water leakage hole arranged on the shell, a piston cover and a cylinder body,
the main shaft, the pull rod, the stator, the rotor, the pull claw and the disc spring are arranged in the shell;
the knife handle is connected to the right end of the pull rod through the pull claw;
the rotary joint is connected to the left end of the pull rod connecting rod;
the pull rod is positioned in the cavity of the main shaft;
the piston is sleeved outside the periphery of the pull rod connecting rod, the outer circle of the pull rod connecting rod is provided with a step, the piston is clamped at the upper part of the step of the outer circle of the pull rod connecting rod, and the cylinder body is sleeved outside the periphery of the piston;
the two ends of the cylinder body are respectively connected with the shell and the piston cover, the piston cover and the cylinder body form a unclamping cylinder, an oil cavity is positioned in the unclamping cylinder, hydraulic oil in the oil cavity pushes the piston to move rightwards, and the piston pushes the pull rod connecting rod and the pull rod to move downwards;
the rotary joint, the pull rod connecting rod, the pull rod and the knife handle are sequentially connected, a cavity is arranged in the rotary joint, the pull rod connecting rod, the pull rod and the knife handle, the upper end of the rotary joint is a water inlet, the cavity of the water inlet of the rotary joint, the cavity of the pull rod connecting rod, the cavity of the pull rod and the cavity of the knife handle are communicated and coaxial, when the spindle works, cooling water is introduced from the water inlet of the rotary joint, water flows into the knife handle at the lower end through the small hole in the center of the pull rod connecting rod and the.
2. The novel numerical control machining center built-in unclamping and center water outlet permanent magnet synchronous electric spindle as claimed in claim 1, wherein the pull rod extension rod and the piston extend out of the housing.
3. The novel numerical control machining center built-in unclamping and central water outlet permanent magnet synchronous electric spindle as claimed in claim 1, wherein the pull rod and the pull rod connecting rod are connected by long threads, and are radially locked by two symmetrically distributed screws, and a disc spring is pre-pressed between the right end surface of the pull rod connecting rod and the step surface of the pull rod; the left end face of the pull rod is tightly pressed with the inner end face of the pull rod connecting rod.
4. The novel permanent magnet synchronous electric spindle with built-in unclamping and central water outlet functions in a numerical control machining center according to claim 1, wherein a pull rod connecting rod is connected with an inner hole of the spindle in a small clearance fit mode and is driven by a cross key groove, the cross key groove is formed in the outer circle of the pull rod connecting rod, a concave-convex structure matched with the cross key groove is arranged at the end part of the spindle, and the groove opening part of the cross key groove of the pull rod connecting rod is buckled with the convex part of the spindle.
5. The novel numerical control machining center built-in unclamping and central water outlet permanent magnet synchronous electric spindle according to claim 1, further comprising a piston induction sleeve, a loose broach induction sleeve, a piston sensor, a loose broach sensor and a broach sensor;
the piston induction sleeve and the loosening broach induction sleeve are respectively and fixedly arranged on the pull rod connecting rod;
the left end of the piston cover is provided with a first bracket, and the piston sensor is arranged on the first bracket;
the left end of the piston cover is further provided with a second support, and the cutter loosening sensor and the cutter pulling sensor are arranged on the second support.
6. The novel numerical control machining center built-in unclamping and central water outlet permanent magnet synchronous electric spindle as claimed in claim 5, further comprising a first O-shaped ring compressed between the lower end surface of the loose broach induction sleeve and the step of the pull rod extension rod.
7. The novel permanent magnet synchronous electric spindle with a built-in unclamping and central water outlet function for the numerical control machining center as claimed in claim 1, wherein a rear sealing nut is arranged at the rear end of the spindle inside the shell, and a boss of the rear sealing nut and a groove at the end face of the inner cavity of the shell form a labyrinth seal to form a second seal.
8. The novel numerical control machining center built-in unclamping and central water outlet permanent magnet synchronous electric spindle as claimed in claim 1, wherein a second O-shaped ring is arranged between the upper end face of the pull rod and a concave platform in the pull rod extension rod and is pressed tightly.
9. The novel numerical control machining center built-in unclamping and center water outlet permanent magnet synchronous electric spindle as claimed in claim 1, wherein a groove is formed in an outer circle of the pull rod connecting rod, and a third O-shaped ring is placed in the groove.
10. The novel numerical control machining center built-in unclamping and central water outlet permanent magnet synchronous electric spindle as claimed in claim 1, wherein two low-friction-coefficient wear-resistant belts are placed between the outer circle of the upper end of the pull rod connecting rod and the piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922260895.3U CN211360672U (en) | 2019-12-13 | 2019-12-13 | Novel numerical control machining center is built-in to have a sword, center goes out water permanent magnetism synchronous electric main shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922260895.3U CN211360672U (en) | 2019-12-13 | 2019-12-13 | Novel numerical control machining center is built-in to have a sword, center goes out water permanent magnetism synchronous electric main shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211360672U true CN211360672U (en) | 2020-08-28 |
Family
ID=72159415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922260895.3U Active CN211360672U (en) | 2019-12-13 | 2019-12-13 | Novel numerical control machining center is built-in to have a sword, center goes out water permanent magnetism synchronous electric main shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211360672U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114433923A (en) * | 2022-03-10 | 2022-05-06 | 纽威数控装备(苏州)股份有限公司 | Full-automatic right angle milling head of central play water of disconnect-type rotary joint |
-
2019
- 2019-12-13 CN CN201922260895.3U patent/CN211360672U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114433923A (en) * | 2022-03-10 | 2022-05-06 | 纽威数控装备(苏州)股份有限公司 | Full-automatic right angle milling head of central play water of disconnect-type rotary joint |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110947981A (en) | Novel numerical control machining center is built-in to have a sword, center goes out water permanent magnetism synchronous electric main shaft | |
| CN102328100B (en) | Electric main shaft for worm gear machine cutter | |
| US11400555B2 (en) | Outer rotor motor direct-drive drilling or milling machine | |
| CN103934481B (en) | A kind of high-speed automatic tool changing electrical spindle adopting non-contact rotary joint | |
| CN202263941U (en) | Gear slicing device cutter main axle | |
| CN106041131A (en) | Mechanical tool-changing permanent magnet synchronous electric spindle | |
| CN211360672U (en) | Novel numerical control machining center is built-in to have a sword, center goes out water permanent magnetism synchronous electric main shaft | |
| CN215237937U (en) | Spindle assembly of high-speed boring machine with loosening cutter oil cylinder center water outlet | |
| CN209157136U (en) | A kind of permanent magnet synchronization motor spindle | |
| WO2015100942A1 (en) | High-speed engraving and milling electric spindle | |
| CN103121110B (en) | A kind of energy-saving machine tool main spindle box being furnished with rare-earth permanent-magnet electric machine | |
| CN112139521A (en) | Lathe electric spindle device | |
| CN102371364B (en) | Tooling spindle of gear grinding machine | |
| CN207239790U (en) | A kind of novel high speed ball bearing electro spindle | |
| CN213559931U (en) | Servo sword tower of quick accurate locate mode | |
| CN106761482B (en) | A kind of Automatic-clamping release mechanism formula chuck | |
| CN210215808U (en) | Needle bar rotating mechanism of sewing machine | |
| CN210451031U (en) | Tooth-type positioning locking mechanism with back tension for servo turret of numerical control lathe | |
| CN110193734B (en) | Internal pushing type hydraulic dismounting quasi-stop permanent magnet synchronous high-power loose broach electric spindle | |
| CN209953822U (en) | Mechanical main shaft convenient to dismantle | |
| CN220679447U (en) | Dynamic and static pressure permanent magnet synchronous boring machine spindle | |
| CN218015803U (en) | Tool changing electric spindle | |
| CN211127455U (en) | Electromagnetic motor with detachable shaft sleeve connected with impeller | |
| CN215966340U (en) | Sliding table type box servo electric spindle | |
| CN203830745U (en) | High-speed automatic tool replacing electric main shaft with non-contact type rotating connector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |