CN214134008U

CN214134008U - Portable spline main shaft

Info

Publication number: CN214134008U
Application number: CN202023228023.8U
Authority: CN
Inventors: 李维; 葛建国; 魏特; 马银亮; 李彤
Original assignee: Jiangsu Swift Machinery Technology Co ltd
Current assignee: Jiangsu Swift Machinery Technology Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-09-07
Anticipated expiration: 2030-12-28

Abstract

The utility model discloses a portable spline main shaft relates to spindle unit technical field, has solved current main shaft and has been difficult to freely reciprocate, and the part of being connected with the driving medium takes place to damage or wearing and tearing back, needs the whole change, maintains and the high problem of installation cost. The novel gear box is characterized by comprising a sleeve, a mandrel is rotatably connected with the sleeve through a front bearing and a rear bearing in the sleeve, the mandrel comprises a clamping shaft and a spline shaft which are coaxially arranged and can be detachably connected together, a clamping shaft outer end is used for clamping a cutter, an external spline is arranged on the periphery of the spline shaft, a spline housing matched with the spline shaft is sleeved outside the spline shaft, and the spline housing slides and is connected onto the spline shaft along the length direction of the spline shaft. The effect of being convenient for control main shaft and for the driving piece upper and lower sliding has been reached, and for split type structure, be convenient for installation and use and spline shaft part maintain.

Description

Portable spline main shaft

Technical Field

The utility model relates to a spindle unit technical field, in particular to portable spline main shaft.

Background

The spindle refers to a shaft on a machine tool for driving a workpiece or a cutter to rotate. The main shaft component is generally composed of a main shaft, a bearing, a transmission member (gear or pulley), and the like. The machine is mainly used for supporting transmission parts such as gears and belt wheels and transmitting motion and torque, such as a machine tool spindle; some are used to clamp a workpiece, such as a mandrel.

However, because of the fixed transmission member, the conventional spindle is difficult to freely move up and down, and the part connected with the transmission member is damaged or abraded, so that the whole spindle needs to be replaced, and the maintenance and installation costs are high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a portable spline main shaft, it is convenient for control main shaft and slides from top to bottom for the driving piece, and is split type structure, the maintenance of being convenient for install and use and spline shaft part.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a portable spline spindle, includes the sleeve, it is connected with the dabber to rotate through fore bearing and rear bearing in the sleeve, the dabber includes coaxial setting and can dismantle clamping axle and the integral key shaft that links together, and clamping axle outer end is used for the clamping cutter, and the integral key shaft periphery is equipped with the external splines, and the integral key shaft overcoat is equipped with the spline housing of looks adaptation, and the spline housing slides along integral key shaft length direction and connects on the integral key shaft.

Furthermore, a fixing hole is coaxially formed in one end, close to the spline shaft, of the clamping shaft, an inserting cylinder matched with the fixing hole is arranged at one end, close to the clamping shaft, of the spline shaft, a plurality of screws are connected to the clamping shaft in a threaded mode, and the tail ends of the screws are connected to the inserting cylinder.

Furthermore, the diameter of one end, close to the clamping shaft, of the spline shaft is smaller than that of one end, close to the spline shaft, of the clamping shaft, the spline shaft is sleeved with a first spacer ring and a rear bearing, and the first spacer ring abuts against the end face of the clamping shaft and the inner ring of the rear bearing.

Furthermore, the outer end of the clamping shaft is connected with a waterproof cover, and the waterproof cover is arranged outside the end part of the sleeve.

Furthermore, a circle of baffle ring is arranged on the periphery of the sleeve and is arranged at one end, far away from the cutter, of the waterproof cover.

Furthermore, the periphery of one end, far away from the cutter, of the waterproof cover is chamfered, and the periphery of the blocking ring is provided with a circle of abutting ring matched with the chamfer.

Furthermore, an opening is formed in the inner periphery of the waterproof cover, a spring and a positioning rod are arranged in the opening, the spring pushes the positioning rod to slide towards the inner periphery of the waterproof rod, the head of the positioning rod is a hemisphere, and a positioning hole matched with the positioning rod is formed in the outer periphery of the clamping shaft.

Furthermore, the positioning hole is in a semi-sphere shape.

To sum up, the utility model discloses following beneficial effect has:

the main shaft is convenient to control to slide up and down relative to the driving piece through the arrangement of the external spline and the spline sleeve; the mandrel is of a split structure, so that the mandrel is convenient to install and use and maintain the part of the spline shaft; the waterproof cover and the baffle ring improve the waterproof effect of the main shaft; and the positioning and installation of the waterproof cover are facilitated through the arrangement of the positioning rod and the spring.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is an enlarged schematic view of a portion a of fig. 1.

In the figure, 1, a sleeve; 11. a front bearing; 12. a rear bearing; 2. a mandrel; 21. clamping a shaft; 22. a spline shaft; 221. inserting a cylinder; 3. a spline housing; 4. a waterproof cover; 41. a spring; 42. positioning a rod; 5. and (4) a baffle ring.

Detailed Description

The following description will be further described with reference to the accompanying drawings, which are not intended to limit the present invention.

The utility model provides a portable spline spindle, as shown in figure 1, including sleeve 1, rotate through fore bearing 11 and rear bearing 12 in the sleeve 1 and be connected with dabber 2, dabber 2 includes coaxial setting and can dismantle clamping axle 21 and the integral key shaft 22 that link together, the clamping axle 21 outer end is used for the clamping cutter, integral key shaft 22 periphery is equipped with the external splines, integral key shaft 22 overcoat is equipped with the spline housing 3 of looks adaptation, spline housing 3 slides along integral key shaft 22 length direction and connects on integral key shaft 22.

As shown in fig. 1, a fixing hole is coaxially formed at one end of the clamping shaft 21 close to the spline shaft 22, an inserting cylinder 221 matched with the fixing hole is arranged at one end of the spline shaft 22 close to the clamping shaft 21, a plurality of countersunk head screws are connected to the periphery of the clamping shaft 21 in a threaded manner, and the tail ends of the screws are connected to the inserting cylinder 221.

As shown in fig. 1, the diameter of the spline shaft 22 near the clamping shaft 21 is smaller than the diameter of the clamping shaft 21 near the spline shaft 22, the front bearing 11 and the rear bearing 12 have the same structure, the spline shaft 22 is sleeved with a first spacer ring and the rear bearing 12, the rear bearing 12 comprises two angular contact bearings, and the first spacer ring abuts against the inner ring of the rear bearing 12 and the end surface of the clamping shaft 21.

As shown in fig. 1 and 2, the outer end of the clamping shaft 21 is connected with a waterproof cover 4 and a snap ring through threads, the waterproof cover 4 is covered outside the end part of the sleeve 1, and the snap ring is abutted against one end of the waterproof cover 4 close to the cutter;

the periphery of the sleeve 1 is connected with a circle of baffle ring 5, and the baffle ring 5 is arranged at one end of the waterproof cover 4 far away from the cutter; the periphery of one end of the waterproof cover 4, which is far away from the cutter, is chamfered, and the periphery of the baffle ring 5 is integrally connected with a circle of support ring matched with the chamfer.

As shown in fig. 1 and 2, an opening and a plurality of threaded through holes are formed in the inner periphery of the waterproof cover 4, the threaded through holes are located on one side, away from the cutter, of the opening, a spring 41 is arranged at the bottom end of the opening, a positioning rod 42 is connected to the outer periphery of the spring 41, the spring 41 pushes the positioning rod 42 to slide towards the inner periphery of the waterproof rod, the head of the positioning rod 42 is a hemisphere, and a hemisphere-shaped positioning hole matched with the positioning rod 42 is formed in the outer periphery of the clamping shaft 21; threaded through hole female connection screw, the screw is pegged graft in clamping axle 21 in order to fix waterproof cover 4, and the locating hole all evenly sets up with the threaded through hole and threaded through hole number is the integral multiple of locating hole to it is fixed through the screw hole after positioning rod 42 is fixed in arbitrary locating hole.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and those skilled in the art can make various modifications or equivalent substitutions within the spirit and scope of the present invention, and such modifications or equivalent substitutions should also be considered as falling within the scope of the present invention.

Claims

1. The utility model provides a portable spline main shaft which characterized in that: including sleeve (1), it is connected with dabber (2) to rotate through fore bearing (11) and rear bearing (12) in sleeve (1), dabber (2) including coaxial setting and can dismantle clamping axle (21) and integral key shaft (22) that link together, clamping axle (21) outer end is used for the clamping cutter, integral key shaft (22) periphery is equipped with external splines, integral key shaft (22) overcoat is equipped with spline housing (3) of looks adaptation, spline housing (3) are followed spline shaft (22) length direction and are slided and connect on integral key shaft (22).

2. The portable spline spindle of claim 1, wherein: the clamping shaft (21) is close to one end of the spline shaft (22) and is coaxially provided with a fixing hole, one end of the spline shaft (22) close to the clamping shaft (21) is provided with an inserting cylinder (221) matched with the fixing hole, the clamping shaft (21) is connected with a plurality of screws in a threaded mode, and the tail ends of the screws are connected to the inserting cylinder (221).

3. The portable spline spindle of claim 2, wherein: the diameter that integral key shaft (22) is close to clamping shaft (21) one end is less than clamping shaft (21) and is close to integral key shaft (22) one end diameter, and the cover is equipped with first spacer ring and rear bearing (12) on integral key shaft (22), and first spacer ring butt is between rear bearing (12) inner circle and clamping shaft (21) terminal surface.

4. The portable spline spindle of claim 1, wherein: the outer end of the clamping shaft (21) is connected with a waterproof cover (4), and the waterproof cover (4) is arranged outside the end part of the sleeve (1).

5. The portable spline spindle of claim 4, wherein: the periphery of the sleeve (1) is provided with a circle of baffle ring (5), and the baffle ring (5) is arranged at one end, far away from the cutter, of the waterproof cover (4).

6. The portable spline spindle of claim 5, wherein: the periphery of one end of the waterproof cover (4) far away from the cutter is chamfered, and the periphery of the baffle ring (5) is provided with a circle of support ring matched with the chamfer.

7. The portable spline spindle of claim 4, wherein: the inner periphery of the waterproof cover (4) is provided with an opening, a spring (41) and a positioning rod (42) are arranged in the opening, the spring (41) pushes the positioning rod (42) to slide towards the inner periphery of the waterproof rod, the head of the positioning rod (42) is a hemisphere, and the outer periphery of the clamping shaft (21) is provided with a positioning hole matched with the positioning rod (42).

8. The portable spline spindle of claim 7, wherein: the positioning holes are hemispheroid.