CN205054464U - Move stable high -speed cell -phone core core shaft assembly - Google Patents
Move stable high -speed cell -phone core core shaft assembly Download PDFInfo
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- CN205054464U CN205054464U CN201520775636.3U CN201520775636U CN205054464U CN 205054464 U CN205054464 U CN 205054464U CN 201520775636 U CN201520775636 U CN 201520775636U CN 205054464 U CN205054464 U CN 205054464U
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Abstract
The utility model provides a move stable high -speed cell -phone core core shaft assembly, includes the dabber, be equipped with the cavity cavity in the dabber, follow the length direction of cavity is equipped with pressing piece, spring, chuck and uide bushing in proper order, the cavity cavity is the cylindric structure of internal diameter homogeneous, hollow installation cover with uide bushing interval suit is fixed in the cavity cavity, the one end of chuck is inserted in the installation cover and can the axle upward movement of installation cover, the inside wall of installation cover is equipped with the installation taper surface, just the bore of installation taper surface is close to more one side of spring is more little, the lateral wall of chuck one end be equipped with the cooperation taper surface with the inside wall adaptability cooperation of installation cover, it is corresponding, the bore of cooperation taper surface is close to more one side of spring is more little, with the external diameter adaptability cooperation of chuck. The clamping of car needle is very stable, firm.
Description
Technical field
This utility model relates to medical instruments field, is specifically related to a kind of stable high speed handpiece movement mandrel component.
Background technology
Dental handpiece is one of equipment of oral medical indispensability, and the field of application is more and more extensive, except the department of stomatology, also has the use of internal medicine, orthopaedics, beauty and shaping industry.The head that the structure of dental handpiece comprises handle, is connected with handle, head comprise with needle holder part rotating shaft, be placed on the wind wheel in rotating shaft and be symmetricly set on the bearing of wind wheel both sides, needle holder part is used for clamping trolley pin, is with motor-car pin to rotate when the spindle is rotated, polishing tooth.Therefore, car pin must clamp by needle holder part firmly, and car pin can not be allowed to come off, otherwise threatens to patient and doctor.Existing dental handpiece, the opening of its needle holder part is comparatively large, if the opening of needle holder part is comparatively large, then there is car pin and holds caducous danger; If the opening of needle holder part is less, then car pin be difficult to through, cannot clamping trolley pin.
Summary of the invention
The purpose of this utility model is to propose to provide a kind of stable high speed handpiece movement mandrel component, and car pin can clamp by firmly, makes car pin difficult drop-off.
For reaching this object, this utility model by the following technical solutions:
A stable high speed handpiece movement mandrel component, comprises mandrel, is provided with hollow cavity in described mandrel, and the length direction along described hollow cavity is provided with pressing piece, spring, chuck and fairlead successively; Described hollow cavity is the homogeneous cylinder-like structure of internal diameter, and the installation sleeve of hollow and described fairlead interval suit are fixed in described hollow cavity, and one end of described chuck to be inserted in described installation sleeve and can in the axially motion of described installation sleeve;
The medial wall of described installation sleeve is provided with installation taper surface, and the bore of described installation taper surface is less the closer to the side of described spring; The lateral wall of described chuck one end is provided with and coordinates taper surface to coordinate with the medial wall adaptability of described installation sleeve, and accordingly, the bore of described cooperation taper surface is less the closer to the side of described spring, coordinates with the external diameter adaptability of described chuck.
Preferably, the integral structure that described chuck is made up of successively pressing lever, collet body, spacing ring three part, the external diameter of described pressing lever is less than described collet body, and the external diameter of described collet body is less than the external diameter of described spacing ring;
Described pressing piece is fixed on one end of described pressing lever, and described spring housing is contained in described pressing lever;
Described collet body is the claw-like structures that sidewall is evenly provided with some U-type groove bodies, the opening of described U-type groove body is towards the side at described fairlead place, described cooperation taper surface is arranged on the lateral wall of described collet body, and the position that described cooperation taper surface is arranged is the side near described collet body;
Described spacing ring is assemblied in the hollow cavity between described installation sleeve and described fairlead.
Preferably, the two ends of described collet body are provided with the cylindric locating ring slidably coordinated with the internal diameter of described installation sleeve, and the external diameter of the collet body described in two between locating ring is less than the internal diameter of described installation sleeve;
Described cooperation taper surface is extended to form to described spring lopsidedness by the described locating ring edge near described fairlead side.
Preferably, described chuck is provided with interior chamfering at the opening part near described spring one end.
Preferably, the front end face that described spring is arranged on described installation sleeve to described mandrel front end face between hollow cavity in, one end of described pressing piece is fixed with described chuck through after described spring, the outside of the extended described hollow cavity of the other end of described pressing piece, described spring is in described hollow cavity.
Preferably, the T-shaped structure that described pressing piece is made up of press section and connecting portion, described press section is the cylindrical-shaped structure that can slide in described hollow cavity; Described connecting portion is arranged along the axis direction of described hollow cavity, and one end of described connecting portion is fixedly connected with described chuck, and the other end is fixedly connected with described press section, and described spring housing is contained in described connecting portion.
Preferably, the front end of described pressing lever is provided with screwed hole, and the outside of described connecting portion is provided with the external screw thread with described screwed hole secure fit, and the external screw thread on described connecting portion is left hand thread, screws direction contrary with the rotation direction of described mandrel.
Preferably, be set with packing ring between described press section and spring, the medial surface of described press section is by described packing ring and described spring contact.
Preferably, the external diameter of described hollow cavity is 3.3 ~ 3.7mm.
Preferably, described fairlead is weldingly fixed in described hollow cavity.
The front end of car pin from described mandrel, according to foregoing, is inserted by this utility model, and the large end through described chuck arrives its small end again and finally fixes, and the process of clamping is convenient and simple; And clamping is when completing, car pin wraps tightly by chuck, and under the resilient force of spring, both clamp at the small end of hollow cavity together: spring and pressing piece limit the motion in the axial direction of car pin, the tapering of chuck limits the rotation of car pin in hollow cavity, so the clamping of car pin is very stable, firm.
Accompanying drawing explanation
Fig. 1 is the explosive view of an embodiment of the present utility model;
Fig. 2 is the structural representation that in this utility model, chuck and installation sleeve are in non-clamped condition;
Fig. 3 is the structural representation that in this utility model, chuck and installation sleeve are in clamped condition;
Fig. 4 is the structural representation of an embodiment of chuck in this utility model.
Wherein: mandrel 1, hollow cavity 101; Pressing piece 2, press section 21, connecting portion 22;
Spring 3; Chuck 4, pressing lever 41, collet body 42, U-type groove body 421, locating ring 422; Spacing ring 43, coordinates taper surface 401; Fairlead 5; Installation sleeve 6, installs taper surface 601; Packing ring 7, car pin 8.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, embodiment of the present utility model is described in detail.It will be understood to those of skill in the art that the following drawings and detailed description of the invention are only preferred implementation of the present utility model, so that understand this utility model better, thus should not be considered as limiting scope of the present utility model.For a person skilled in the art, this utility model can have various modifications and variations, all within spirit of the present utility model and principle, and any amendment done, equivalent replacement or improvement etc., all should be included within protection domain of the present utility model.
As shown in Figure 1, a kind of stable high speed handpiece movement mandrel component, comprise mandrel 1, be provided with hollow cavity 101 in described mandrel 1, the length direction along described hollow cavity 101 is provided with pressing piece 2, spring 3, chuck 4 and fairlead 5 successively; Described hollow cavity 101 is the homogeneous cylinder-like structure of internal diameter, and the installation sleeve 6 of hollow and described fairlead 5 interval suit are fixed in described hollow cavity 101, and one end of described chuck 4 to be inserted in described installation sleeve 6 and can in the axially motion of described installation sleeve 6;
The medial wall of described installation sleeve 6 is provided with installs taper surface 601, and the bore of described installation taper surface 601 is less the closer to the side of described spring 3; The lateral wall of described chuck 4 one end is provided with and coordinates taper surface 401 to coordinate with the medial wall adaptability of described installation sleeve 6, and accordingly, the bore of described cooperation taper surface 401 is less the closer to the side of described spring 3, coordinates with the external diameter adaptability of described chuck 4.
As shown in Figure 1, pressing piece 2, spring 3, chuck 4 and wire sleeve 5 are the hollow structure that can hold car pin 8, and one end of pressing piece 2 and one end of chuck 4 are fixed, and spring 3 is arranged between described pressing piece 2 and chuck 4.
During clamping car pin 8, press pressing piece 2, described spring 3 is extruded on the end face of installation sleeve 5, promote the lateral movement of chuck 4 to fairlead 5 simultaneously, then coordinate the small end of taper surface 401 that the large end motion of taper surface 601 is installed on installation sleeve 6, as shown in Figure 2, then described chuck 4 is in relaxed state, car pin 8 is inserted described chuck 4 through after described fairlead 5, pressing piece 2 is unclamped when one end of car pin 8 moves to extreme position, the spring 3 be extruded starts to recover deformation, elastic potential energy changes into kinetic energy, promote described pressing piece 2 to move laterally, described pressing piece 2 drives described chuck 4 to move laterally simultaneously, move in direction along its small end, then chuck 4 slowly clamp-ons the small end of described hollow cavity 101, the sidewall of chuck 4 is radially polymerized, car pin 8 in chuck 4 is clamped gradually, until the stroke release of spring 3 completely, described chuck 4 and described pressing piece 2 stop motion, for final clamp position, as shown in Figure 3.
When needing to take off car pin 8, according to above-mentioned steps, when chuck 4 is in relaxed state, car pin 8 is extracted.
Fixing for car pin 8, installs taper surface 601 and coordinates taper surface 401 to be indispensable, and installation taper surface 601 is the cone structure in cavity, has certain difficulty of processing; And according to the structural design of the technical program, add man-hour, the homogeneous cylinder-like structure of internal diameter is processed as hollow cavity 101 in mandrel 1, in the installation sleeve 6 that length is less, taper surface 601 is installed in processing, again installation sleeve 6 is fixed in hollow cavity 101, avoids in prior art, installation taper surface 601 is directly processed the inside of the mandrel 1 strengthened in length, reduce difficulty of processing, improve assembly precision and stability.
As shown in Figure 4, the integral structure that described chuck 4 is made up of successively pressing lever 41, collet body 42, spacing ring 43 3 part, the external diameter of described pressing lever 41 is less than described collet body 42, and the external diameter of described collet body 42 is less than the external diameter of described spacing ring 43;
Described pressing piece 2 is fixed on one end of described pressing lever 41, and described spring 3 is sleeved on described pressing lever 41;
Described collet body 42 is the claw-like structures that sidewall is evenly provided with some U-type groove bodies 421, the opening of described U-type groove body 421 is towards the side at described fairlead 5 place, described cooperation taper surface 401 is arranged on the lateral wall of described collet body 42, and the position that described cooperation taper surface 401 is arranged is the side near described collet body 42;
Described spacing ring 43 is assemblied in the hollow cavity 101 between described installation sleeve 6 and described fairlead 5.
Directly by pressing lever 41 pocketed springs 3 of chuck 4, pressing piece 2 is fixed on chuck 4, and spring 3 props up the end face of fairlead 5, the compact conformation of whole mandrel component, overall good stability; Described collet body 42 is the claw-like structures that sidewall is evenly provided with some U-type groove bodies 421, makes collet body 42 have certain elasticity, is convenient to insertion and the clamping of car pin 8; Described spacing ring 43 is assemblied in the hollow cavity 101 between described installation sleeve 6 and described fairlead 5, during the end contact of the then rear end face of spacing ring 43 and fairlead 5, distance then between installation sleeve 6 and fairlead 5 defines the range of movement of spacing ring 43, can require that this range of movement of adjustment is to meet clamping stability, strong adaptability according to the concrete clamping of the specific performance of spring 3 and car pin 8.
Preferably, the two ends of described collet body 42 are provided with the cylindric locating ring 422 slidably coordinated with the internal diameter of described installation sleeve 6, and the external diameter of the collet body 42 described in two between locating ring 422 is less than the internal diameter of described installation sleeve 6;
Described cooperation taper surface 401 is extended to form to described spring 3 lopsidedness by described locating ring 422 edge near described fairlead 5 side.
When chuck 4 slides in installation sleeve 6, contact with conical surface portion by means of only locating ring between the two, while enough support forces are provided, reduce friction, reduce loss.Because car pin 8 inserts chuck 4, when chuck 4 and installation sleeve 6 pass through to coordinate taper surface 401 to clamp fixing with installation taper surface 601, due to the inner side coordinating taper surface 401 to be arranged on locating ring 422, then the cylindric locating ring 422 at collet body 42 two ends contacts with the medial wall of installation sleeve 6, the frictional force produced during contact, keeps and strengthens the clamping stability of car pin 8.
Preferably, described chuck 4 is provided with interior chamfering at the opening part near described spring 3 one end.
When car pin 8 inserts described chuck 4, by interior chamfered transition, easy accessibility, the more important thing is that the corner avoiding the end face of described chuck 4 and medial wall to cross scratches or the lateral wall of the car pin 8 that weares and teares, thus keeps the stability of car pin 8 clamping.
Preferably, the front end face that described spring 3 is arranged on described installation sleeve 6 to described mandrel 1 front end face between hollow cavity 101 in, one end of described pressing piece 2 is fixed with described chuck 4 through after described spring 3, the outside of the extended described hollow cavity 101 of the other end of described pressing piece 2, described spring 3 is in described hollow cavity 101.
Pressing piece 2 is pressed in inner side to hollow cavity 101, make chuck 4 toward the direction motion that the bore installing taper surface 601 increases, spring 3 is built in described hollow cavity, relative to the set-up mode of external, avoid the problem of life-time service rear spring 3 being hidden ash between spring coil and spring coil, extend its service life.
Preferably, the T-shaped structure that described pressing piece 2 is made up of press section 21 and connecting portion 22, described press section is 21 is the cylindrical-shaped structure that can slide in described hollow cavity 101; Described connecting portion 22 is arranged along the axis direction of described hollow cavity 101, and one end of described connecting portion 22 is fixedly connected with described chuck 4, and the other end is fixedly connected with described press section 21, and described spring 3 is sleeved on described connecting portion 22.
Spring 3 is sleeved on described connecting portion 22, be in the rear of chuck 4 opening direction, when being pressed by press section 21, the masterpiece of spring 3 is used on connecting portion 22, the effect of power is produced by connecting portion 22 pairs of chucks 4, under the interaction coordinating taper surface 401 and installation taper surface 601, clamp car pin 8, when overcoming the front owing to spring 3 to be arranged on chuck 4 opening direction, the masterpiece that spring 3 produces is used in chuck 4 opening and makes chuck 4 hold yielding impact.
Preferably, the front end of described pressing lever 41 is provided with screwed hole, and the outside of described connecting portion 22 is provided with the external screw thread with described screwed hole secure fit, and the external screw thread on described connecting portion 22 is left hand thread, screws direction contrary with the rotation direction of described mandrel 1.
The front end of described pressing lever 41 arranges screwed hole, and pressing lever 41 and connecting portion 22 are fixed by threaded engagement, process easy for installation; The more important thing is, the external screw thread on described connecting portion 22 is left hand thread, screws direction contrary with the rotation direction of described mandrel 1, and when occurring to rub with gland at special circumstances connecting portion 22, the connecting portion 22 of pressing piece 2 can not occur to loosen or come off.
Preferably, be set with packing ring 7 between described press section 21 and spring 3, the medial surface of described press section 21 is contacted with described spring 3 by described packing ring 7.
By packing ring 7, avoid pressing piece 2 and contact with the direct of spring 3, the while that raising spring 3 being elastic, extend its service life.
Preferably, the external diameter of described hollow cavity 101 is 3.3 ~ 3.7mm.
The nominal outer diameter of hollow cavity 101 of the prior art is 3.175mm, the car pin of the adaptation specification of hollow cavity 101 clampings of such specification, because the size of car pin is too little, this sample car pin clamps accessory when clamping inadequate to its chucking power, cannot meet the requirement more run up, so in the present embodiment, the size of car pin being amplified is set between 3.3 ~ 3.7mm, power is stronger, and chucking power is larger, more stable during rotation.
Preferably, described fairlead 5 is weldingly fixed in described hollow cavity 101.
Make described fairlead 5 be fixed on described hollow cavity 10 by the mode of welding, strengthen the stability of its position, thus also ensure that the stable of car pin 8 clamping and precision.
Below know-why of the present utility model is described in conjunction with specific embodiments.These describe just in order to explain principle of the present utility model, and can not be interpreted as the restriction to this utility model protection domain by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other detailed description of the invention of the present utility model, and these modes all will fall within protection domain of the present utility model.
Claims (10)
1. a stable high speed handpiece movement mandrel component, comprise mandrel, hollow cavity is provided with in described mandrel, length direction along described hollow cavity is provided with pressing piece, spring, chuck and fairlead successively, it is characterized in that: described hollow cavity is the homogeneous cylinder-like structure of internal diameter, the installation sleeve of hollow and described fairlead interval suit are fixed in described hollow cavity, and one end of described chuck is inserted also can in the axially motion of described installation sleeve in described installation sleeve;
The medial wall of described installation sleeve is provided with installation taper surface, and the bore of described installation taper surface is less the closer to the side of described spring; The lateral wall of described chuck one end is provided with and coordinates taper surface to coordinate with the medial wall adaptability of described installation sleeve, and accordingly, the bore of described cooperation taper surface is less the closer to the side of described spring, coordinates with the external diameter adaptability of described chuck.
2. a kind of stable high speed handpiece movement mandrel component according to claim 1, it is characterized in that: the integral structure that described chuck is made up of successively pressing lever, collet body, spacing ring three part, the external diameter of described pressing lever is less than described collet body, and the external diameter of described collet body is less than the external diameter of described spacing ring;
Described pressing piece is fixed on one end of described pressing lever, and described spring housing is contained in described pressing lever;
Described collet body is the claw-like structures that sidewall is evenly provided with some U-type groove bodies, the opening of described U-type groove body is towards the side at described fairlead place, described cooperation taper surface is arranged on the lateral wall of described collet body, and the position that described cooperation taper surface is arranged is the side near described collet body;
Described spacing ring is assemblied in the hollow cavity between described installation sleeve and described fairlead.
3. a kind of stable high speed handpiece movement mandrel component according to claim 2, it is characterized in that: the two ends of described collet body are provided with the cylindric locating ring slidably coordinated with the internal diameter of described installation sleeve, and the external diameter of the collet body described in two between locating ring is less than the internal diameter of described installation sleeve;
Described cooperation taper surface is extended to form to described spring lopsidedness by the described locating ring edge near described fairlead side.
4. a kind of stable high speed handpiece movement mandrel component according to Claims 2 or 3, is characterized in that: described chuck is provided with interior chamfering at the opening part near described spring one end.
5. a kind of stable high speed handpiece movement mandrel component according to claim 2, it is characterized in that: the front end face that described spring is arranged on described installation sleeve to described mandrel front end face between hollow cavity in, one end of described pressing piece is fixed with described chuck through after described spring, the outside of the extended described hollow cavity of the other end of described pressing piece, described spring is in described hollow cavity.
6. a kind of stable high speed handpiece movement mandrel component according to claim 5, it is characterized in that: the T-shaped structure that described pressing piece is made up of press section and connecting portion, described press section is the cylindrical-shaped structure that can slide in described hollow cavity; Described connecting portion is arranged along the axis direction of described hollow cavity, and one end of described connecting portion is fixedly connected with described chuck, and the other end is fixedly connected with described press section, and described spring housing is contained in described connecting portion.
7. a kind of stable high speed handpiece movement mandrel component according to claim 6, it is characterized in that: the front end of described pressing lever is provided with screwed hole, the outside of described connecting portion is provided with the external screw thread with described screwed hole secure fit, and the external screw thread on described connecting portion is left hand thread, screws direction contrary with the rotation direction of described mandrel.
8. a kind of stable high speed handpiece movement mandrel component according to claim 6, is characterized in that: be set with packing ring between described press section and spring, and the medial surface of described press section is by described packing ring and described spring contact.
9. a kind of stable high speed handpiece movement mandrel component according to claim 1, is characterized in that: the external diameter of described hollow cavity is 3.3 ~ 3.7mm.
10. a kind of stable high speed handpiece movement mandrel component according to claim 1, is characterized in that: described fairlead is weldingly fixed in described hollow cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520775636.3U CN205054464U (en) | 2015-09-30 | 2015-09-30 | Move stable high -speed cell -phone core core shaft assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520775636.3U CN205054464U (en) | 2015-09-30 | 2015-09-30 | Move stable high -speed cell -phone core core shaft assembly |
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| CN205054464U true CN205054464U (en) | 2016-03-02 |
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|---|---|---|---|
| CN201520775636.3U Active CN205054464U (en) | 2015-09-30 | 2015-09-30 | Move stable high -speed cell -phone core core shaft assembly |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106378722A (en) * | 2016-11-24 | 2017-02-08 | 重庆市万盛区顺达粉末冶金有限公司 | Two-head powder shaft sleeve pick-up device |
| CN106378723A (en) * | 2016-11-24 | 2017-02-08 | 重庆市万盛区顺达粉末冶金有限公司 | Split-type two-head powder shaft sleeve pick-up device |
| CN106378763A (en) * | 2016-11-30 | 2017-02-08 | 重庆市万盛区顺达粉末冶金有限公司 | Attachable core-driven double-head powder shaft sleeve pickup |
| CN106378752A (en) * | 2016-11-30 | 2017-02-08 | 重庆市万盛区顺达粉末冶金有限公司 | Handle of powder shaft sleeve pickup |
| CN106392992A (en) * | 2016-11-24 | 2017-02-15 | 重庆市万盛区顺达粉末冶金有限公司 | Push-type three-end installation device for powder shaft sleeve |
| CN106425913A (en) * | 2016-11-30 | 2017-02-22 | 重庆市万盛区顺达粉末冶金有限公司 | Multi-head assembly chuck for powder shaft sleeve |
| CN106425916A (en) * | 2016-11-24 | 2017-02-22 | 重庆市万盛区顺达粉末冶金有限公司 | Powder shaft sleeve chuck |
| CN106494879A (en) * | 2016-11-24 | 2017-03-15 | 重庆市万盛区顺达粉末冶金有限公司 | A kind of three powder axle sleeve erecting devices of pushing-type |
| CN106625404A (en) * | 2016-11-30 | 2017-05-10 | 重庆市万盛区顺达粉末冶金有限公司 | Inner-drive multi-head installing device for powder shaft sleeve |
| CN106625312A (en) * | 2016-11-24 | 2017-05-10 | 重庆市万盛区顺达粉末冶金有限公司 | Handle dedicated to installation of powder shaft sleeve |
| CN110171748A (en) * | 2019-02-15 | 2019-08-27 | 南通醋酸纤维有限公司 | A kind of centering mandrel and decoiling equipment |
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2015
- 2015-09-30 CN CN201520775636.3U patent/CN205054464U/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106625312A (en) * | 2016-11-24 | 2017-05-10 | 重庆市万盛区顺达粉末冶金有限公司 | Handle dedicated to installation of powder shaft sleeve |
| CN106425916A (en) * | 2016-11-24 | 2017-02-22 | 重庆市万盛区顺达粉末冶金有限公司 | Powder shaft sleeve chuck |
| CN106378722A (en) * | 2016-11-24 | 2017-02-08 | 重庆市万盛区顺达粉末冶金有限公司 | Two-head powder shaft sleeve pick-up device |
| CN106378723B (en) * | 2016-11-24 | 2018-08-31 | 重庆市万盛区顺达粉末冶金有限公司 | A kind of split type both ends powder axle sleeve pick-up |
| CN106392992A (en) * | 2016-11-24 | 2017-02-15 | 重庆市万盛区顺达粉末冶金有限公司 | Push-type three-end installation device for powder shaft sleeve |
| CN106494879A (en) * | 2016-11-24 | 2017-03-15 | 重庆市万盛区顺达粉末冶金有限公司 | A kind of three powder axle sleeve erecting devices of pushing-type |
| CN106378723A (en) * | 2016-11-24 | 2017-02-08 | 重庆市万盛区顺达粉末冶金有限公司 | Split-type two-head powder shaft sleeve pick-up device |
| CN106425913A (en) * | 2016-11-30 | 2017-02-22 | 重庆市万盛区顺达粉末冶金有限公司 | Multi-head assembly chuck for powder shaft sleeve |
| CN106378752A (en) * | 2016-11-30 | 2017-02-08 | 重庆市万盛区顺达粉末冶金有限公司 | Handle of powder shaft sleeve pickup |
| CN106378763A (en) * | 2016-11-30 | 2017-02-08 | 重庆市万盛区顺达粉末冶金有限公司 | Attachable core-driven double-head powder shaft sleeve pickup |
| CN106625404A (en) * | 2016-11-30 | 2017-05-10 | 重庆市万盛区顺达粉末冶金有限公司 | Inner-drive multi-head installing device for powder shaft sleeve |
| CN106625404B (en) * | 2016-11-30 | 2018-10-02 | 重庆市万盛区顺达粉末冶金有限公司 | Bull powder axle sleeve mounting device is driven in a kind of |
| CN106378763B (en) * | 2016-11-30 | 2019-01-11 | 重庆市万盛区顺达粉末冶金有限公司 | A kind of dnockout core driving both ends powder axle sleeve pick-up |
| CN110171748A (en) * | 2019-02-15 | 2019-08-27 | 南通醋酸纤维有限公司 | A kind of centering mandrel and decoiling equipment |
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