CN204818093U - Main shaft of lathe - Google Patents

Main shaft of lathe Download PDF

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Publication number
CN204818093U
CN204818093U CN201520375874.5U CN201520375874U CN204818093U CN 204818093 U CN204818093 U CN 204818093U CN 201520375874 U CN201520375874 U CN 201520375874U CN 204818093 U CN204818093 U CN 204818093U
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CN
China
Prior art keywords
main shaft
hollow
pawl
axle core
chuck
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
Application number
CN201520375874.5U
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Chinese (zh)
Inventor
刘文聪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Zhong Cong Intelligent Equipment Co., Ltd.
Original Assignee
Guangdong Science And Technology Ltd Of Zhong Cong Robot
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangdong Science And Technology Ltd Of Zhong Cong Robot filed Critical Guangdong Science And Technology Ltd Of Zhong Cong Robot
Priority to CN201520375874.5U priority Critical patent/CN204818093U/en
Application granted granted Critical
Publication of CN204818093U publication Critical patent/CN204818093U/en
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Abstract

The utility model provides a main shaft of lathe, relate to lathe technical field, its structure includes hollow axle core, hollow sleeve pipe, hollow tooth pipe, claw in the main shaft, claw sliding sleeve subassembly in chuck and the main shaft, locate hollow axle in -core behind chuck and the hollow tooth pipe spiro union, the one end of hollow axle core is established to holding with chuck shape assorted chuck, hollow axle core passes through the bearing and sets up inside hollow sheathed tube, hollow axle core can rotary motion, the outer end of hollow axle core is located to claw sliding sleeve subassembly cover in the main shaft, reciprocating motion can be managed in order to drive hollow tooth by reciprocating motion to claw sliding sleeve subassembly in the main shaft, the reciprocating motion of hollow tooth pipe drives the chuck and accomodates in the chuck end of axle core in order to realize pressing from both sides tightly or to be located that the chuck end of hollow axle core is outside to be loosened in order realizing, the utility model discloses exposing with claw in prior art's the main shaft and comparing in the sleeve pipe, main shaft of lathe saves space, is difficult to by the maloperation, and is safe in utilization.

Description

A kind of main shaft of lathe
Technical field
The utility model relates to machine tool technology field, particularly relates to a kind of main shaft of lathe.
Background technology
Machine tool chief axis refers to the axle that lathe drives workpiece or cutter to rotate.Usually spindle unit is formed by main shaft, bearing and driving member (gear or belt wheel) etc.Be mainly used in the machine support driving parts as gear, belt wheel, transmit motion and moment of torsion, as machine tool chief axis; What have is used for clamping workpiece, as axle.
Prior art be used for the main shaft of clamping workpiece generally comprise can stretch axle core, sleeve pipe and for fixing flexible after axle core main shaft in pawl, in its main shaft, pawl exposes to sleeve pipe usually, comparatively takes up room, and is easily encountered and maloperation by foreign object.
Secondly, axle core and sleeve pipe are spirally connected by internal and external threads, is unfavorable for die sinking, and the required precision of die sinking is higher.
Utility model content
The main shaft that the purpose of this utility model is to avoid weak point of the prior art and provides a kind of lathe, space saved by the main shaft of this lathe, is not easy to be misused, use safety.
The purpose of this utility model is achieved through the following technical solutions:
A kind of main shaft of lathe is provided, comprise the axle core of hollow, the sleeve pipe of hollow, the tooth pipe of hollow, pawl in main shaft, pawl slide bushing assembly in chuck and main shaft, the axle in-core of described hollow is located at after the tooth pipe of described chuck and described hollow is spirally connected, one end of the axle core of described hollow is set to the chuck end matched with described collet shapes, the axle core of described hollow is arranged at the inside of the sleeve pipe of described hollow by bearing, the axle core of described hollow can rotary motion, in described main shaft, pawl slide bushing assembly is sheathed on the outer end of the axle core of described hollow, in described main shaft, pawl slide bushing assembly can move back and forth to drive the tooth pipe of described hollow to move back and forth, the chuck end that the reciprocating motion of the tooth pipe of described hollow drives described chuck to be accommodated in described axle core is unclamped with realization so that the chuck end realizing the axle core clamping or be positioned at described hollow is outside.
The slip accessory that in described main shaft, pawl slide bushing assembly comprises slide rail parts and can horizontally slip in described slide rail parts, described slide rail parts is fixed on the axle core of described hollow, described slip accessory is fixed on the tooth pipe of described hollow, described slip accessory horizontally slips and drives the tooth pipe of described hollow and chuck to move left and right at the axle core inner of described hollow, described slide rail parts is provided with pawl in the main shaft that can rotate, the sliding part that in described main shaft, pawl includes pawl point and is connected with described pawl point, in described main shaft, the pawl point of pawl abuts with described slip accessory, and the tooth pipe of described chuck and hollow stops at described axle core inner and moves left and right, in described main shaft, the pawl point of pawl is separated with described slip accessory, and the tooth pipe of described chuck and hollow can move left and right along the sliding part of pawl in described main shaft at described axle core inner.
Described slide rail parts is provided with the first pin-and-hole, and in described main shaft, pawl is provided with the second pin-and-hole, and in described slide rail parts and described main shaft, pawl is fixed on described first pin-and-hole and the second pin-and-hole by bearing pin simultaneously and is combined together.
The axle core of described hollow is provided with for supplying pawl pawl screens in the main shaft of one end activity of described second pin-and-hole in described main shaft.
In described main shaft, pawl is provided with two, and in two described main shafts, pawl is symmetrical arranged.
The axle core outside of described hollow is also provided with sleeve pipe.
The axle core of described hollow is provided with main shaft forward flange, and described sleeve pipe is provided with sleeve pipe mounting flange, and described main shaft forward flange is laminated on described sleeve pipe mounting flange, and described main shaft forward flange and described sleeve pipe mounting flange are screwed.
The axle core of described hollow is connected with synchronizing wheel.
A sidepiece of described synchronizing wheel is connected with electromagnetic brake.
The main shaft of described lathe also comprises tooth pipe lock nut assembly, and the tooth pipe of described tooth pipe lock nut assembly and described hollow is spirally connected.
The beneficial effects of the utility model: the utility model comprises the axle core of hollow, the sleeve pipe of hollow, the tooth pipe of hollow, pawl in main shaft, pawl slide bushing assembly in chuck and main shaft, the axle in-core of described hollow is located at after the tooth pipe of described chuck and described hollow is spirally connected, one end of the axle core of described hollow is set to the chuck end matched with described collet shapes, the axle core of described hollow is arranged at the inside of the sleeve pipe of described hollow by bearing, the axle core of described hollow can rotary motion, in described main shaft, pawl slide bushing assembly is sheathed on the outer end of the axle core of described hollow, in described main shaft, pawl slide bushing assembly can move back and forth to drive the tooth pipe of described hollow to move back and forth, the chuck end that the reciprocating motion of the tooth pipe of described hollow drives described chuck to be accommodated in described axle core is unclamped with realization so that the chuck end realizing the axle core clamping or be positioned at described hollow is outside.
In main shaft of the present utility model, pawl slide bushing assembly drives tooth pipe to move back and forth, tooth pipe and chuck are spirally connected, and then tooth pipe racks moves chuck reciprocating motion to realize the clamping of chuck and to unclamp, to be arranged in axle core and main shaft between pawl slide bushing assembly by pawl in main shaft is hidden, compared with exposing to sleeve pipe with pawl in the main shaft of prior art, space saved by the main shaft of lathe, is not easy to be misused, use safety.
Accompanying drawing explanation
Accompanying drawing is utilized to be described further utility model, but the embodiment in accompanying drawing does not form any restriction of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the following drawings.
Fig. 1 is the overall structure schematic diagram of the main shaft of a kind of lathe of the present utility model.
Fig. 2 is a generalized section of the main shaft of a kind of lathe of the present utility model.
Fig. 3 is a partial structurtes schematic diagram of the main shaft of a kind of lathe of the present utility model.
Fig. 4 is another partial structurtes schematic diagram of the main shaft of a kind of lathe of the present utility model.
Include in figure:
1---tooth pipe;
2---chuck;
3---axle core, 31---pawl screens, 32 in main shaft---main shaft forward flanges;
4---pawl slide bushing assembly, 41 in main shaft---slide rail parts, 411---pawl, 4111 in main shaft---pawl point, 4112---sliding part, 4113---second pin-and-hole, 42---slip accessories;
5---sleeve pipe, 51---sleeve pipe mounting flange;
6---synchronizing wheel;
7---electromagnetic brake;
8---tooth pipe lock nut assembly.
Detailed description of the invention
With the following Examples the utility model is further described.
The main shaft of a kind of lathe of the present embodiment, as shown in Figures 1 to 4, comprise the axle core 3 of hollow, the sleeve pipe 5 of hollow, the tooth pipe 1 of hollow, pawl 411 in main shaft, pawl slide bushing assembly 4 in chuck 2 and main shaft, be located in the axle core 3 of described hollow after described chuck 2 and the tooth pipe 1 of described hollow are spirally connected, one end of the axle core 3 of described hollow is set to the chuck end with described chuck 2 mating shapes, the axle core 3 of described hollow is arranged at the inside of the sleeve pipe 5 of described hollow by bearing, the axle core 3 of described hollow can rotary motion, in described main shaft, pawl slide bushing assembly 4 is sheathed on the outer end of the axle core 3 of described hollow, in described main shaft, pawl slide bushing assembly 4 can move back and forth to drive the tooth pipe 1 of described hollow to move back and forth, the chuck end that the reciprocating motion of tooth pipe 1 drives described chuck 2 to be accommodated in described axle core 3 is unclamped with realization so that the chuck end realizing clamping or being positioned at described axle core 3 is outside.
In the main shaft of the present embodiment, pawl slide bushing assembly 4 drives tooth pipe 1 to move back and forth, tooth pipe 1 and chuck 2 are spirally connected, and then tooth pipe 1 drives chuck 2 move back and forth to realize the clamping of chuck 2 and unclamp, to be arranged in axle core 3 and main shaft between pawl slide bushing assembly 4 by pawl in main shaft 411 is hidden, compared with exposing to sleeve pipe with pawl in the main shaft of prior art, space saved by the main shaft of lathe, is not easy to be misused, use safety.
The slip accessory 42 that in described main shaft, pawl slide bushing assembly 4 comprises slide rail parts 41 and can horizontally slip in described slide rail parts 41, described slide rail parts 41 is fixed on the axle core 3 of described hollow, described slip accessory 42 is fixed on the tooth pipe 1 of described hollow, described slip accessory 42 horizontally slips and drives the tooth pipe 1 of described hollow and chuck 2 to move left and right in axle core 3 inside of described hollow, described slide rail parts 41 is provided with pawl 411 in the main shaft that can rotate, the sliding part 4112 that in described main shaft, pawl 411 includes pawl point 4111 and is connected with described pawl point 4111, in described main shaft, the pawl point of pawl 411 4111 abuts with described slip accessory 42, and axle core 3 inside that the tooth pipe 1 of described chuck 2 and hollow stops at described hollow moves left and right, in described main shaft, the pawl point 4111 of pawl 411 is separated with described slip accessory 42, and the tooth pipe 1 of described chuck 2 and hollow can move left and right along axle core 3 inside of the sliding part 4112 of pawl 411 in described main shaft in described hollow.
The operation principle of the present embodiment is:
As shown in Figure 2, described slip accessory 42 is driven to move right, in the main shaft of slide rail parts 41, the pawl point 4111 of pawl 411 is separated with described slip accessory 42, and the tooth pipe 1 of described chuck 2 and hollow can move left and right along axle core 3 inside of the sliding part 4112 of pawl 411 in described main shaft in described hollow, chuck 2 is released, chuck 2 unclamps gripping can be treated the workpiece of car or places milling cutter tool, described slip accessory 42 is driven to be moved to the left, in the main shaft of slide rail parts 41, the pawl point of pawl 411 4111 abuts with described slip accessory 42, and axle core 3 inside that the tooth pipe 1 of described chuck 2 and hollow stops at described hollow moves left and right, chuck 2 is folded, then can clamp the workpiece treating car or milling cutter tool.
Described slide rail parts 41 is provided with the first pin-and-hole, in described main shaft, pawl 411 is provided with the second pin-and-hole 4113, in described slide rail parts 41 and described main shaft, pawl 411 is fixed on described first pin-and-hole by bearing pin and the second pin-and-hole 4113 is combined together simultaneously, in described main shaft, pawl 411 can rotate around described bearing pin, and pawl 411 in main shaft can be clamped and unclamp.
The axle core 3 of described hollow is provided with for for pawl 411 pawl 411 screens 31 in the main shaft of one end activity of described second pin-and-hole 4113 in described main shaft, makes pawl 411 in main shaft have certain activity space when bearing pin rotates.
In described main shaft, pawl 411 is provided with two, and in two described main shafts, pawl 411 is symmetrical arranged, firmly more even.
Axle core 3 outside of described hollow is also provided with sleeve pipe 5, and sleeve pipe 5, for being fixed by the axle core 3 etc. of hollow, makes the axle core 3 of hollow rotatable.
The axle core 3 of described hollow is provided with main shaft forward flange 32, described sleeve pipe 5 is provided with sleeve pipe mounting flange 51, described main shaft forward flange 32 is laminated on described sleeve pipe mounting flange 51, described main shaft forward flange 32 and described sleeve pipe mounting flange 51 are screwed, the mode be screwed makes die sinking more simple, and the required precision of die sinking is low.
The axle core 3 of described hollow is connected with synchronizing wheel 6, rotates for connecting motor drive shaft.
A sidepiece of described synchronizing wheel 6 is connected with electromagnetic brake 7, after the axle core 3 of hollow, the tooth pipe 1 of hollow and chuck 2 adjust angle, utilizes electromagnetic brake 7 can prevent synchronizing wheel 6 and arbitrarily rotates, remain on this angle.
Also comprise tooth pipe lock nut assembly 8, described tooth pipe lock nut assembly 8 is spirally connected with the tooth pipe 1 of described hollow, when the size of chuck 2 changes, the axle core 3 of chuck 2 and hollow coordinate closely time, finely tune by rotating gripper pipe lock nut assembly 8, the axle core 3 of chuck 2 and hollow is coordinated closely.
Finally should be noted that; above embodiment is only in order to illustrate the technical solution of the utility model; but not the restriction to the utility model protection domain; although done to explain to the utility model with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify to the technical solution of the utility model or equivalent replacement, and not depart from essence and the scope of technical solutions of the utility model.

Claims (10)

1. the main shaft of a lathe, it is characterized in that: the axle core comprising hollow, the sleeve pipe of hollow, the tooth pipe of hollow, pawl in main shaft, pawl slide bushing assembly in chuck and main shaft, the axle in-core of described hollow is located at after the tooth pipe of described chuck and described hollow is spirally connected, one end of the axle core of described hollow is set to the chuck end matched with described collet shapes, the axle core of described hollow is arranged at the inside of the sleeve pipe of described hollow by bearing, the axle core of described hollow can rotary motion, in described main shaft, pawl slide bushing assembly is sheathed on the outer end of the axle core of described hollow, in described main shaft, pawl slide bushing assembly can move back and forth to drive the tooth pipe of described hollow to move back and forth, the chuck end that the reciprocating motion of the tooth pipe of described hollow drives described chuck to be accommodated in described axle core is unclamped with realization so that the chuck end realizing the axle core clamping or be positioned at described hollow is outside.
2. the main shaft of a kind of lathe as claimed in claim 1, it is characterized in that: the slip accessory that in described main shaft, pawl slide bushing assembly comprises slide rail parts and can horizontally slip in described slide rail parts, described slide rail parts is fixed on the axle core of described hollow, described slip accessory is fixed on the tooth pipe of described hollow, described slip accessory horizontally slips and drives the tooth pipe of described hollow and chuck to move left and right at the axle core inner of described hollow, described slide rail parts is provided with pawl in the main shaft that can rotate, the sliding part that in described main shaft, pawl includes pawl point and is connected with described pawl point, in described main shaft, the pawl point of pawl abuts with described slip accessory, and the tooth pipe of described chuck and hollow stops at described axle core inner and moves left and right, in described main shaft, the pawl point of pawl is separated with described slip accessory, and the tooth pipe of described chuck and hollow can move left and right along the sliding part of pawl in described main shaft at described axle core inner.
3. the main shaft of a kind of lathe as claimed in claim 2, it is characterized in that: described slide rail parts is provided with the first pin-and-hole, in described main shaft, pawl is provided with the second pin-and-hole, and in described slide rail parts and described main shaft, pawl is fixed on described first pin-and-hole and the second pin-and-hole by bearing pin simultaneously and is combined together.
4. the main shaft of a kind of lathe as claimed in claim 3, is characterized in that: the axle core of described hollow is provided with for supplying pawl pawl screens in the main shaft of one end activity of described second pin-and-hole in described main shaft.
5. the main shaft of a kind of lathe as claimed in claim 1, is characterized in that: in described main shaft, pawl is provided with two, in two described main shafts, pawl is symmetrical arranged.
6. the main shaft of a kind of lathe as claimed in claim 1, is characterized in that: the axle core outside of described hollow is also provided with sleeve pipe.
7. the main shaft of a kind of lathe as claimed in claim 6, it is characterized in that: the axle core of described hollow is provided with main shaft forward flange, described sleeve pipe is provided with sleeve pipe mounting flange, described main shaft forward flange is laminated on described sleeve pipe mounting flange, and described main shaft forward flange and described sleeve pipe mounting flange are screwed.
8. the main shaft of a kind of lathe as claimed in claim 1, is characterized in that: the axle core of described hollow is connected with synchronizing wheel.
9. the main shaft of a kind of lathe as claimed in claim 8, is characterized in that: a sidepiece of described synchronizing wheel is connected with electromagnetic brake.
10. the main shaft of a kind of lathe as claimed in claim 1, is characterized in that: the main shaft of described lathe also comprises tooth pipe lock nut assembly, and the tooth pipe of described tooth pipe lock nut assembly and described hollow is spirally connected.
CN201520375874.5U 2015-06-03 2015-06-03 Main shaft of lathe Active CN204818093U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520375874.5U CN204818093U (en) 2015-06-03 2015-06-03 Main shaft of lathe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520375874.5U CN204818093U (en) 2015-06-03 2015-06-03 Main shaft of lathe

Publications (1)

Publication Number Publication Date
CN204818093U true CN204818093U (en) 2015-12-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520375874.5U Active CN204818093U (en) 2015-06-03 2015-06-03 Main shaft of lathe

Country Status (1)

Country Link
CN (1) CN204818093U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110514387A (en) * 2019-08-06 2019-11-29 中国航空工业集团公司哈尔滨空气动力研究所 Wind-tunnel open jet working section rotary system spindle drive

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110514387A (en) * 2019-08-06 2019-11-29 中国航空工业集团公司哈尔滨空气动力研究所 Wind-tunnel open jet working section rotary system spindle drive
CN110514387B (en) * 2019-08-06 2021-06-29 中国航空工业集团公司哈尔滨空气动力研究所 Main shaft driving mechanism for wind tunnel opening test section rotating system

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CP03 Change of name, title or address

Address after: 523000 first floor, No. 688-33, Fumin industrial town, Dalang, Dongguan, Guangdong

Patentee after: Guangdong Zhong Cong Intelligent Equipment Co., Ltd.

Address before: Room 503, 505, 507, 509 and 511, No. 6 Industrial South Road, Songshan Lake High-tech Industrial Development Zone, Dongguan City, Guangdong Province

Patentee before: Guangdong Science and Technology Ltd. of Zhong Cong robot

CP03 Change of name, title or address