TWI326749B - - Google Patents

Description

IX. Description of the invention: [Technical field to which the invention pertains] The present invention relates to a clutch ball screw, in particular, a screw and a slide rail characteristic, which is suitable for control by a clutch cap. The ball joint position 'the light and the contact movement between the screw shaft, so as to improve the application age of the ball screw' is a ball screw suitable for the reciprocating of the mosquito shaft. [Prior Art] The ball screw has the advantages of high transmission efficiency (small friction coefficient) and high positioning accuracy. The industrial system is mostly composed of two screws, the screw shaft and the screw sleeve, the spiral groove groove, and the upper ring. 'The screw shaft is rotated to generate the screw sleeve reciprocatingly moving on the screw shaft. After the period of use, (4) causing the difference in the degree of ball wear, the movement error offset is too large, and even more occasionally The loss of the screw groove caused by the manufacture of the screw groove causes the screw to be skewed or broken; the Republic of China Patent Certificate No. 376 "Improvement of the circulation structure of the nut of the ball screw" Xin Lie made a heart-breaking 7 ball turned to its screw-like hybrid There are more than one ball privately. The rolling element of the number of shirts is between the ball screw and the combination nut. The spiral groove between the single screw is 'swinging'. The introduction of the returning pipe population is introduced back to the person. And the combination of the nut and the single spiral groove to form a loop path; - The Republic of China Patent Certificate No. 1258875 "High load limited stroke ball screw suppression" invention structure 'Content reveals - ball screw system, with - The screw shaft, the outer seat body, a 1326749 ball ring sleeve and a limiting element are arranged, and the t screw shaft is provided with a spiral groove on the pumping body, and is characterized in that the ball ring sleeve is bushed on the screw shaft through the cutter shaft Between the outer seat and the outer seat, the limiting component is set by the -locking lock, and the convex (four) of the marine component is disposed in the positioning hole of the ball ring sleeve, so that the button component controls the ball contact on the ball ring sleeve. The interface of the rotary groove is connected to the clamp position, and the division is relying on the effect of the bead ring set on the deviation of the production of the nano-shift, and further enhances the service life of the ball screw; however, the technical characteristics of the conventional knowledge are also derived from the slightest. For example, the structural combination is complicated or cannot be moved at high speed and reciprocating. Among them, the side of the ball screw does not seem to conform to its effect on the application of small household appliances. Therefore, how to make a more perfect ball-shaped screw shaft joint design improvement, especially By utilizing the characteristics of both screw rolling and sliding rail movement, it is suitable to match different relative movement mechanisms, and by using the consumption mode of the contact movement between the clutch cap and the screw shaft, k liter; the application arm of the bead screw, especially Be applicable The ball screw which can be quickly reciprocated in a limited stroke is the technical feature that the inventor of the present invention wants to solve. SUMMARY OF THE INVENTION The present invention provides a clutch ball screw, which mainly includes: a screw shaft, the screw shaft is provided with a spiral groove on the shaft body, and a transmission ring is sequentially disposed on the screw shaft. a plurality of balls and a clutch cap, the ball is densely embedded in the hole of the ring surface of the transmission ring; a transmission ring, the transmission ring is hollow, and the transmission ring is sleeved on the screw shaft, and the transmission ring thereof a hole is arranged in the ring surface and a ball is embedded in the hole; a plurality of balls are embedded in the hole in the transmission ring to serve as a power transmission medium between the transmission ring and the screw shaft; and - clutch The cap and the hybrid cap are also provided as a towel, and the cap of the cap is provided with a groove on the inner ring surface of the cap, and the torus and the groove are used to limit the position of the ball when the ball is placed in the groove. Shooting, screw shaft and transmission can not be transmitted _ force, showing a translational motion similar to the slide rail; if the ball is subjected to the ring __, this is the general ball screw drive state. In combination with the above-mentioned various configurations, the position of the ball is made through the "transparent and 贱 clutch cap", and the method of transferring the purity and the screw-contact movement is set to improve the material of the ball screw, especially in the limited stroke. Reciprocating ball screw. [Embodiment] In order to make it easier for your examiner to understand the other features and advantages of this creation, the effect achieved by it is more vivid. (10) The g& mines are detailed as follows: Please refer to Figure - and Figure 2 As shown, the present invention provides a clutch ball screw i, which mainly comprises: - a screw shaft 10 'the contact surface is provided with a screw groove (10) and is sequentially sleeved on the screw shaft 1G - The transmission ring 13 and the plurality of balls 14 and the cap 12 are at the end of the transmission ring 13 and can be provided with a fixing piece 11 to seal the transmission ring 13 and the balls 14 on the transmission ring 13 are densely embedded therein. The hole 131 on the ring surface 13A of the transmission ring, and the ball of the ball 14 can be secreted on the upper surface of the surface 13A, and the inner ring surface 12B of the clutch cap is in contact with the inner surface 12B of the ball 14 Most of the exposed holes are in the hole 1326749 131 of the ring surface, and are disposed on the spiral groove 100 of the screw shaft 10; a transmission ring 13 having a hollow shape on the transmission ring 13 The annular surface 13A is arranged with a hole 131', and a hole 14 is disposed in the hole 131, and the hole 131 is arranged. The spiral groove 1 of the screw shaft 10 corresponds to each other; and a clutch cap 12, the clutch cap 12 also has a hollow shape, and the annular surface 12B of the clutch cap 12 is provided with a plurality of axial grooves 12BX' The inner ring surface 12B can form a circle, and the ring surface 13 of the transmission ring 13 is sleeved, and the circular ball 14 embedded in the hole 131 of the ring 13 of the transmission ring 13 is embedded in the circular ring 14 The clutch cap 12 has an inner annular surface 12Β and a screw shaft 10; the clutch cap 12 can extend and protrude from an annular rib 12C at one end thereof, and the annular rib 12C is adapted to match the annular stopper 13C of the transmission ring 13 The relative position of the axial groove 12?/ and the ball 14 on the inner ring surface 12 of the clutch cap 12 is controlled by the angle between the annular rib 12C and the annular stopper 13C. When the ball 14 and the axial groove 12Β' are in a straight line, the ball 14 can be moved outwardly to contact with the axial groove 12Β, and the ball 14 is disengaged from the spiral groove 1〇〇 on the screw shaft 1〇, at this time, the transmission The ring 13 and the screw shaft 1〇 slide in parallel; however, when the ball cymbal 4 and the inner ring surface 12 of the clutch cap 12 correspond in a straight line, the ball 14 is restrained in the hole 131 of the transmission ring 13, so that the ball 14 is embedded in the screw The spiral groove 1 in the shaft 10 is inside, and the transmission ring 13 and the screw shaft 10 are only rotationally driven. In detail, the annular rib 12C provided on the extending side of the clutch cap 12 and the transmission ring 13 is in contact with the annular stopper 13C, and can be converted into a sliding translation by the rolling contact between the screw shaft 1〇 and the ball 14. The starting relative position of the contact. Referring to the third figure, the annular rib 12C provided on the extending side of the clutch cap 12 is rotated counterclockwise. The annular stopper 13C' disposed on the extending side of the transmission ring 13 transmits the two resistances.

S 1326749 The annular rib 12C and the annular stopper 13C are integrally formed. At this time, the ball μ is located at the axial groove 12B of the inner annular surface 12B of the clutch cap 12, wherein the ball 14 and the screw shaft at the groove 12B' are drawn. The spiral groove 100 of the 10 is disengaged from the contact; when the screw shaft 1 is rotated in the reverse (cis) time, the power is not transmitted to the transmission ring 13 through the ball 14, so the transmission ring 13 and the clutch cap 12 do not follow the screw shaft. 10 rotation and movement in the X-axis 'This is the sliding contact between the screw shaft 1〇 and the transmission ring 13, which becomes a so-called slide movement.

Please refer to the fourth embodiment of the ring-shaped rib 12C provided on the extension/extension side to rotate clockwise 'the ring-shaped block 13C provided on the extending side of the transmission ring 13 through the two-shaped annular rib 12C and the ring-shaped ring Stopper 13 (: forming a __ body, at this time, the roll_bit_clutch cap is at the inner annular face 12B, wherein the roll _ at the auxiliary ring face 12B forms a rolling miscellaneous contact with the screw groove 1 螺杆 of the screw_; When the rod _ reverse (shun) clockwise rotation, the ball U is on the spiral groove 1GG of the screw shaft ι, and passes through the hole (3) on the rolling transmission ring 13, and the transmission ring 13 and the clutch cap are positively oriented (4) This is the rolling contact drive between the screw shaft and the ball, which becomes the so-called ball screw drive.

By the mechanism of moving between the screw _ and the transmission ring 13 and the clutch cap 12, the screw can be cut and matched (4) to form a screw (10) and a ball yoke, which can be effectively utilized for various screw rolling drives to effectively reduce the screw. The spiral rotation of the contact from the rolling contact or the translational contact movement of a slide rail, and the stroke control, time and speed in which the slide rail is quickly disengaged, thereby improving the instantness of the separation between the f (four) rod shaft miscellaneous parts and the screw body Demand for purpose;

Referring to the fifth riding, the application example of the ball screw 1 of the present invention applied to the 9 1326749 silicone rubber grab Gp is mainly described as the use of the clutch ball screw and the Sp plug pipe. By controlling the screw shaft to drive the component by the driving device, the Gp can be grabbed by Shi Xijiao (4), and the user can take the money and slow down the journey. In the initial position, it is convenient for the user to easily replace the replacement of the Shi Xiyi tube Sp, so as to achieve an effortless and fast eye... wherein the principle is the through screw _- the end is the force end and the drive and the clutch cap 12 combined with a ball screw drive. The transmission ring (3) is limited to rotate in a fixed position, and the screw shaft 10 has a plane that cooperates with the Gp body to restrict its movement along the yaw axis, and when the transmission ring 13 drives the screw shaft 10 to translate forward, by the push rod The live wire is squeezed in the object _, so that it can be output along the Spp end of the county. The _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ The relative position of the cap 12 causes the ball 14 to be disengaged from the screw shaft ι. At this time, the screw shaft H) can be quickly detached, that is, the nipple is quickly separated from the damper Sp plug. The above describes the 'Transfer 13 and the clutch cap 12 暇 姊 _ movement mode, to achieve the purpose of fast catch selection switch rail or ball screw; but in fact, in addition to the rotation mode, it can also be moved in parallel as shown below The (4) movement mode of the regional job movement to achieve the same switching purpose. Referring to FIG. 6 to FIG. 8 again, it is another embodiment of the present invention, wherein the clutching ball 22 of the clutch ball lion 2 and the clutch cap 21 are relatively moving; ^ is parallel movement 'in its clutching 顚崎Face 2 secret series shape Zhejiang 21〇 to control the position of the Lai,

10 1326749 to achieve the coupling type of the ball 24 and the screw shaft 20; or to design the groove on the clutch cap 2 / inner ring surface 2 as a spiral groove 21 〇, then the transmission ring 22 and the clutch cap The relative motion between the two is a parallel axis distorting motion, which allows the groove 21 to be controlled (to control the position of the bead 24, thereby achieving the taste pattern of the ball 24 and the screw shaft 20; in the overall design, the transmission ring 22 The ring surface 22 is provided with a hole 22 (the arrangement of the cymbal can be matched with the different groove 21 of the inner ring surface of the clutch cap 21 (Γ, by distributing the density of the ball 14 S and its nature] It has the ability to withstand high heavy loads and can be used for the purpose of (4) conversion for sliding rail translation. It is also connected to the end of the four ends of the transmission ring. There is a gap which allows the clutch cap 21 to be in the position of the transmission arm, and to adjust the position of the ball 14 to the translational woman, and to cooperate with the side of the clutch brain groove 210 or the spiral groove 21G, as the screw shaft 20 and the transmission ring Starting relative position. The detailed description above is specific to the possible embodiments of the present invention. However, this embodiment is not intended to be used in the context of the invention. The equivalent implementation or modification of the Silke County spirit is included in the patent scope of this case. To make the creation more progressive. Compared with the real secret, Lai (four) - comparative analysis is as follows: Conventional technology: 1. It only has the touch movement of the screw touch _. 2. The structure is complicated, the assembly is not easy, and the manufacturing cost is not easy to reduce. 11 1326749 3· Can not be relied upon Change (4) and screw inter-level material requirements, poor activity. Advantages of the invention: 1. Simultaneously with the screw-bump contact, the micro-rotation is flat and the translation is slow. 2. The structure is stable, solid, simple in components and easy to assemble. With the negative controllable speed, the flexibility is good. In summary, the invention has achieved the desired effect under the previous technical structure, and is not easy to be familiar with the technology. Thinking, again, the application of the present invention:

It has not been made public, and its progressiveness and practicability have been met. (4) The application for a patent is required to be Z-Mai, "Please," riding a tree to invent a special financial project, to face the face, to the sense of virtue. The first picture is a schematic view of the decomposition of the components of the ball bearing town of the present invention. The third figure is a schematic diagram of the separation state of the screw shaft and the ball of the present invention. The schematic diagram of the screw shaft and the ball combined with the transmission state. The fifth figure is a schematic diagram of the combination of the screw and the tube in the invention. The first figure is the schematic diagram of the stereoscopic appearance of the hair shaft screw. The seventh figure is a schematic diagram of the decomposition of the structure. The eighth figure is a schematic diagram of the separation state of the stem-rolling ball of the present invention. [Main component symbol description]

(S 12 1326749

I, 2. Ball screw 10. Screw shaft II. Fixing ring 12C.. Annular rib 12B'. Axial groove 13A.. Ring surface 131.. Hole 15.. Push rod piston 21, 2Γ. Clutch cap 210.. Annular groove 22: Drive ring 22C.. Annular baffle 24: Ball Gp.. Glue gun 100.. Spiral groove 12.. Clutch cap 12B.. Inner ring surface 13.. Drive ring 13C.. annular load block 14: ball 20.. screw shaft 21A, 21A', inner ring surface 210'. spiral groove 22A.. ring surface 220'. hole

Sp..

13

Claims (1)

1326749 X. Patent Application Range·· 1. A clutch type ball screw, comprising: a screw shaft, the screw shaft is provided with a spiral groove on the shaft body thereof, and the transmission ring is arranged on the screw shaft in sequence; - a plurality of materials and _ age caps, and the beads are densely embedded in the holes of the ring surface of the transmission ring; - the transmission ring 'the transmission ring is -t empty, the transmission ring is sleeved on the screw sleeve and the transmission ring thereof The ring surface is arranged to be turned over, and the secret lake is embedded with balls; a plurality of balls are inserted into the thief drive ring to act as a power transmission medium between the transmission ring and the screw shaft; and a clutch cap ' _ cap is also present - towel records, women's bribes are set on the transmission ring, there is a groove in the clutch cap, so that the torus and the ride to close the rolling position, when the ball is placed in the groove, the screw shaft and the tree The law spreads Weng Li, showing similar slides The grooves are axially shaped, wherein the axial grooves may be plural. Inter-ring selection switching positioning system is in an axial rotation relative to 14 5 :::::,~一运 5=The clutch ball screw described in item 1, wherein the clutch cap and the transmission ring are in an axial translation relative motion. 7. 6. ^ Apply for the clutch shaft of the patented fine boring machine, the cap clutch cap drive (4) select the switch _--axial rotation plus flat _ pair movement. = Please turn the 5th or 6th item to make up the clutch bead screw. The belt of the transmission ring _ block has a clearance from the clutch cap-end. This clearance allows the clutch cap and the transmission ring to be __ move and cooperate with the clutch. __ Groove action to limit the position of the ball's starting position relative to the translational movement (sliding) of the Linapu flat (four) movement (spinning). 8. The clutch ball screw of claim 5, wherein the groove in the clutch cap is in the shape of a ring, wherein the annular groove may be plural. The clutch ball screw of the fifth or sixth aspect of the invention, wherein the groove in the clutch cap is a screw groove, and the groove of the towel groove can be corrected or plural. 10. The clutch ball screw according to claim i, which can be disposed on the body of the Shishi glue gun, wherein the transmission ring is restricted to rotate at a fixed position, and the screw shaft has a (four) smashing body fit. The plane limits its movement along the χ axis, when the drive ring drives the screw shaft to translate forward 'by the push rod piston in the _ tube squeezing squeezing rubber; and # (four) the transmission ring and the clutch cap's position, can make _ _, the speed of the transfer material is separated from the plug of the Shishi rubber hose for replacement of a brand new rubber hose. 15