TWM573668U - Angle-adjustable center tailstock - Google Patents

Abstract

The present invention provides an adjustable angle top end tailstock, comprising: a casing; an inner sleeve disposed in the casing; a screw; a transmission nut fixed to the rear end of the inner sleeve and locked on the screw; a Mohs taper center is inserted into the front end of the inner sleeve, wherein when the screw rotates, the transmission nut is rotated along the thread on the screw, so that the inner sleeve is driven to slide forward or backward, thus allowing the Morse taper core Advancing or retreating; two rotating bases; and two fixed shafts respectively fixed on two sides of the housing, each fixed shaft is also respectively coupled to one of the rotating bases to change the inclination angle of the housing, thereby adjusting the Morse taper The angle of inclination of the center of the heart. The locking force provided by the top end of the creation can be parallel to the sliding force of the workpiece, which can completely offset the sliding force of the workpiece and provide a stable processing method.

Description

Adjustable angle top tailstock

This creation is related to a top tailstock, and more particularly to an adjustable angled top tailstock.

When machining a long workpiece, if only one end holds the workpiece and the other end does not provide the corresponding locking force, the workpiece will sag due to the gravity effect, resulting in the workpiece not being able to maintain the level; or the force of clamping alone When it is insufficient, it provides a strong locking force behind the reliable rear.

General lathes are equipped with a dedicated top tailstock, but on the milling machine it is rare to see the top tailstock that can be used with it. In addition, the special top tailstock of the general lathe can only be fixed at a horizontal angle and fixed at the same height.

In order to summarize the above situation, it is necessary to provide an innovative and progressive adjustable angled tailstock, which has various functions to provide different work requirements, in order to cope with various workpieces can still be effectively used to enhance the convenience of use. Sex, while improving work efficiency.

In order to solve the problem that the traditional top tailstock cannot adjust the tilt angle, the present invention proposes an adjustable angle top end tailstock, comprising: a casing; an inner sleeve disposed in the casing; a screw; a transmission nut Fixing on the rear end of the inner sleeve and locking on the screw; a Morse taper center is inserted at the front end of the inner sleeve, wherein when the screw rotates, the transmission nut is placed along the screw Rotating the thread, thereby driving the inner sleeve to slide forward or backward, thereby advancing or retreating the top of the Morse taper; two rotating bases; and two fixed shafts respectively fixed on both sides of the housing, each of the fixing The shafts are also respectively coupled to one of the rotating bases to change the inclination angle of the housing, thereby adjusting the inclination angle of the Morse taper center.

The top end of the adjustable angle according to the present creation has at least the following advantages:

(1) A workpiece that has a strange or high-low variation in shape can be applied;

(2) Provide a more stable locking force, which can be used regardless of the need to clamp, push, top or withdraw;

(3) Small size and light weight, which can be disassembled and assembled according to different working places, thus improving work efficiency, processing safety and ease of use;

(4) The angle and height can be adjusted quickly and easily by using a rotatable seat bearing in combination with a height-adjustable block.

In order to make the above and other objects, features and advantages of the present invention more comprehensible, the following detailed description will be made in conjunction with the accompanying drawings. In the description of the present invention, the same components are denoted by the same reference numerals and will be described above.

Referring to FIG. 1 , the angled tailstock of the present invention includes a screw 110 , a front side cover 120 , a housing 130 , a transmission nut 140 , an inner sleeve 150 , an oil seal 160 , and a rear side cover . 170, an axial bearing 180, a hand wheel 190, two rotating bases 210, an angled plate 220, two fixed shafts 230, two blocks 240 and a Morse taper center 250.

Referring to FIG. 1 and FIG. 2 together, the housing 130 is a hollow structure having an opening at each of the front and rear ends. The front side cover 120 has a square structure with a circular opening in the center. The front side cover 120 is disposed at the front end of the housing 130 and covers the opening of the front end of the housing 130 and is locked to the front end of the housing 130. The rear side cover 170 has a square structure with a circular recess at the center and a circular opening at the bottom of the recess. The rear side cover 170 is disposed at the rear end of the housing 130 and covers the opening at the rear end of the housing 130 and is locked at the rear end of the housing 130. The inner sleeve 150 is disposed in the housing 130, and the front end thereof may protrude from the outside of the housing 130 by a circular opening in the center of the front side cover 120. The front end of the inner sleeve 150 is provided with a recess for inserting the rear end of the Morse taper center 250. The middle and rear sections of the inner sleeve 150 are hollow and have an opening at the rear end. The oil seal 160 is fixed to the rear surface of the front side cover 120 and is fitted to the outside of the inner cover 150. The drive nut 140 is fixed to the rear end of the inner sleeve 150. The axial bearing 180 is disposed within the circular recess of the rear side cover 170. The screw 110 has a trapezoidal tooth with its front end inserted into the rear end of the housing 130, wherein the drive nut 140 is locked to the thread of the screw 110. The axial bearing 180 is sleeved over the unthreaded portion of the rear end of the screw 110. The hand wheel 190 is disposed behind the housing 130 and is coupled to the rear end of the screw 110.

According to the angled tailstock of the adjustable angle of the present invention, when the hand wheel 190 is rotated, the screw 110 is rotated to rotate the transmission nut 140 along the thread on the screw 110, thereby driving the inner sleeve 150 to slide forward or backward. So let the Morse taper center 250 advance (as shown in Figure 2) or back (as shown in Figure 3). It should be noted that when the inner sleeve 150 is cylindrical, it does not move axially as the screw 110 rotates. Therefore, the inner sleeve 150 can be restricted from rotating within the housing 130, so that when the screw 110 is rotated, the inner sleeve 150 can be forced to move axially.

In addition, referring to FIG. 4 , the two fixed shafts 230 are respectively disposed on two sides of the housing 130 , and one ends of the fixed shafts 230 are respectively coupled to a rotating base 210 . The angled plate 220 is disposed outside the housing 130. Two spacers 240 are respectively disposed under the two rotating bases 210 for raising the rotating base 210 to adjust the height of the entire top tailstock.

According to the present invention, the angled tailstock of the adjustable angle, wherein the axial bearing 180 functions to reduce the frictional force, allows labor saving when the screw 110 is rotated. The function of the oil seal 160 is to prevent foreign matter from entering the housing 130 and to prevent the lubricating oil from leaking out. The arrangement of the rotating base 210 can change the angle of inclination of the top end tail, thereby adjusting the angle of inclination of the Morse taper center 250. An angled plate 220 disposed outside of the housing 130 allows the operator to understand the angle of inclination of the current Morse taper center 250.

Referring to FIG. 5 , according to the angled tailstock of the present invention, the tilt angle of the Morse taper center 250 can be adjusted, and the height of the entire top tail can be adjusted by the spacer 240. The provided locking force 291 can be parallel to the sliding force 292 of the workpiece 280 and can be completely offset against the sliding force 292 of the workpiece 280, providing a robust processing.

The top end of the adjustable angle according to the present creation has at least the following advantages:

(1) A workpiece that has a strange or high-low variation in shape can be applied;

(2) Provide a more stable locking force, which can be used regardless of the need to clamp, push, top or withdraw;

(3) Small size and light weight, which can be disassembled and assembled according to different working places, thus improving work efficiency, processing safety and ease of use;

(4) The angle and height can be adjusted quickly and easily by using a rotatable seat bearing in combination with a height-adjustable block.

Although the present invention has been disclosed in the foregoing examples, it is not intended to limit the present invention, and any one of ordinary skill in the art to which the present invention pertains can be modified and modified without departing from the spirit and scope of the present invention. Therefore, the scope of protection of this creation is subject to the definition of the scope of the patent application attached.

110‧‧‧ screw

120‧‧‧ front side cover

130‧‧‧Shell

140‧‧‧Drive nuts

150‧‧‧Inner set

160‧‧‧ oil seal

170‧‧‧Back side cover

180‧‧‧Axial bearing

190‧‧‧Handwheel

210‧‧‧Rotating base

220‧‧‧ angled stereotype

230‧‧‧Fixed shaft

240‧‧‧ pads

250‧‧‧Moss taper

280‧‧‧Workpiece

291‧‧‧Locking force

292‧‧‧Sliding force

Fig. 1 is an exploded perspective view of the top end of the adjustable angle of the present invention. Figure 2 is a partial cross-sectional view of the angled tailstock of the adjustable angle of the present invention. Figure 3 is a cross-sectional view of another portion of the angled tailstock of the adjustable angle of the present invention. Figure 4 is a perspective view of the angled tailstock of the adjustable angle of the present invention. Figure 5 shows the use of the angled tailstock of the adjustable angle of the present invention.

Claims (5)

An adjustable angle top end tailstock includes: a casing; an inner sleeve disposed in the casing; a screw; a transmission nut fixed to the rear end of the inner sleeve and locked on the screw; a Mohs taper center is inserted at the front end of the inner sleeve, wherein when the screw rotates, the drive nut is rotated along the thread on the screw, thereby driving the inner sleeve to slide forward or backward, thus allowing The Mohs taper center is advanced or retracted; two rotating bases; and two fixed shafts respectively disposed on two sides of the housing, each of the fixed shafts being respectively coupled to one of the rotating bases to change the housing The angle of inclination, thereby adjusting the angle of inclination of the top of the Morse taper. The adjustable angle top end tailstock according to claim 1, further comprising: a hand wheel connected to the screw, wherein rotating the hand wheel train can drive the screw to rotate. The adjustable angle top end tailstock according to claim 1, further comprising: an angled plate disposed outside the casing to allow an operator to understand the angle of inclination of the current Mohs taper center. The adjustable angle top end tailstock according to claim 1, further comprising: an axial bearing disposed on the screw to reduce the frictional force when the screw rotates. The adjustable angle top end tailstock according to claim 1 further includes: two spacer blocks respectively disposed under the two rotating bases, thereby adjusting the height of the Morse taper top core.