TWI491817B - Having adjustable transmission element of spacers - Google Patents

Description

Transmission element with adjustable spacer

The invention is a transmission component, in particular a transmission component with an adjustable spacer.

Due to the increasing use of linear transmission components in modern industries, various linear transmission components have been widely used in human life, processing plants and high-tech equipment, such as linear slides, rolling element screws, roller screws. In particular, in general, large-scale precision machines are equipped with different rolling element screws or linear slide systems of various sizes. Although the development of linear transmission components technology is very rapid, consumer users still need continuous improvement of technology. There are also many problems that still need to be developed, especially in the field of many high-precision manufacturing industrial machines that need more stable and quiet, and there are more and more sounds and developments. Therefore, some technical blind spots of linear transmission components are urgently needed to be developed and improved.

In the rolling track (3) of a linear transmission element (for example, a rolling element screw, a roller screw or a linear slide) which generally has a spacer, the arrangement of the rolling element (1) and the spacer (2) is as shown in the eighth figure. As shown in the ninth figure, spacers (2) are arranged between the rolling elements (1) as components for eliminating collision friction and noise, and the spacer (2) products are mostly required to be miniaturized, single-material, and integrated. It is not practical for the following reasons: Since the linear transmission element is placed in a large number of rolling elements (1), the clearance reserved between the rolling elements (1) must be minimized. Prevent spacers (2) because the rolling elements (1) reserve gaps In the case of concentration, a space sufficient for the spacer (2) to traverse is formed, and the spacer (2) is poured, and the spacer (2) is interfered with the rolling track (3), so the prevention method is to roll the body (1) The clearance after concentration is minimized to make the rolling element (1) roll more smoothly (the rolling elements are not stuck in the system). However, in order to minimize the gap after the rolling element (1) is concentrated, the commonly used methods are adjusted by using spacers of different thicknesses, but spacers of different thicknesses need different storage positions to be managed, so the storage management cost is increased. At the time of assembly, the assembler must also distinguish the size of each spacer to assemble, thus extending the assembly time; the spacers of different sizes must be manufactured using different molds, and the accuracy of the mold after the mold is used for a long time. There will be deviations, so that the size of each spacer is different from the originally set size, that is, the original intention is lost; therefore, the spacers of different sizes are quite inconvenient in manufacturing, storage management and assembly, and relatively increase the cost.

Based on the problems of the above-mentioned conventional techniques, the inventors of the present invention have succeeded in research and development, and the inventions which can achieve the object of the following inventions are finally born.

That is, it is an object of the present invention to develop an adjustable spacer that minimizes the gap between the rolling elements and the spacer.

In order to achieve the above object, the present invention is a transmission component having an adjustable spacer, comprising: a long axis; a moving body disposed on the long axis and reciprocally movable relative to the long axis; a rolling die The set is disposed between the long axis and the moving body, and the rolling module comprises: a plurality of rolling elements, a plurality of fixed spacers, and one or more adjustable spacers, the fixed type spacer and the adjusted type spacer Between the rolling elements, The fixed spacer has two holding faces respectively disposed opposite to the two rolling bodies; the adjusting type spacer comprises: a first member and a second member, the first member has a groove at one end and the other end has a first holding surface provided with respect to the rolling body, the groove has an internal thread, the second member has a convex portion on one end surface, and the other end surface has a second holding surface disposed opposite to the rolling body, the convex portion has The external thread that is screwed with the internal thread, the first member and the second member are screwed together by the internal thread and the external thread to adjust the distance between the first holding surface and the second holding surface.

In order to further understand the features and technical aspects of the present invention, reference should be made to the description of the embodiments of the present invention and the accompanying drawings. .

Conventional technology

(1)‧‧‧ rolling elements

(2) ‧‧‧ spacer

(3) ‧‧‧ rolling track

this invention

(1) ‧‧‧Adjustable spacers

(11) ‧‧‧ first component

(111)‧‧‧First holding surface

(112)‧‧‧ Groove

(1121)‧‧‧ internal thread

(113)‧‧‧First through hole

(114)‧‧‧First dialing slot

(12) ‧‧‧Second components

(121)‧‧‧second holding surface

(122)‧‧‧Bumps

(1221)‧‧‧ External thread

(123)‧‧‧Second through hole

(124)‧‧‧Second dial

(2) ‧‧‧Fixed spacers

(21)‧‧‧ Keep face

(22)‧‧‧through holes

(3) ‧ ‧ rolling elements

(4) ‧ ‧ long axis

(41) ‧ ‧ rolling grooves

(5) ‧‧‧Mobile

(51)‧‧‧Perforation

(511)‧‧‧ rolling trough

(52)‧‧‧Installation holes

(90)‧‧‧Load path

(6) ‧‧‧Reflux components

(61) ‧‧‧Half return flow

(100)‧‧‧ rolling module

(d, D, L) ‧ ‧ spacing

The first figure is a system diagram of the adjustment spacer of the present invention.

The second figure is a combination diagram of the adjustment type spacer of the present invention.

The third figure is a system diagram of the rolling module formed by the adjusting spacer, the fixed spacer and the rolling body of the present invention.

The fourth figure is a system diagram of the transmission element with the adjustment spacer of the present invention.

The fifth figure is a combination diagram of the transmission element with the adjustment spacer of the present invention.

Figure 6 is a cross-sectional view of the transmission element of the invention with an adjustable spacer in the axial direction.

The seventh figure is a cross-sectional view of the transmission element of the invention with the adjustment spacer in the axial direction.

The eighth figure is a view of a conventional art rolling element and spacer mounted on a rolling track of a transmission element.

The ninth diagram is a state diagram of a conventional technique for dumping a spacer.

A preferred embodiment will be further described below in conjunction with the drawings to further illustrate the components and functions of the present invention. The brief description of each drawing is as follows:

The first figure is a system diagram of the adjustment spacer of the present invention.

The second figure is a combination diagram of the adjustment type spacer of the present invention.

The third figure is a system diagram of the rolling module formed by the adjusting spacer, the fixed spacer and the rolling body of the present invention.

The fourth figure is a system diagram of the transmission element with the adjustment spacer of the present invention.

The fifth figure is a combination diagram of the transmission element with the adjustment spacer of the present invention.

Figure 6 is a cross-sectional view of the transmission element of the invention with an adjustable spacer in the axial direction.

The seventh figure is a cross-sectional view of the transmission element of the invention with the adjustment spacer in the axial direction.

Referring to the first to sixth figures, which are diagrams of the adjustment spacer (1) of the present invention, the adjustment spacer (1) includes: a first member (11) and a second member (12) The first member (11) has a recess (112) at one end and a first retaining surface (111) disposed opposite the rolling body (3), the recess (112) having an internal thread ( 1121), the second member (12) has a convex portion (122) protruding from one end surface, and the other end surface has a second holding surface (121) disposed opposite to the rolling body (3), the convex portion (122) having the same The internal thread (1121) is screwed to the external thread (1221), and the first member (11) and the second member (12) are screwed together by the internal thread (1121) and the external thread (1221) to adjust the a distance (D) between the first holding surface (111) and the second holding surface (121); and a first through hole (113) respectively disposed on the first holding surface (111) and the second holding surface (121) And a second through hole (123), the first through hole (113) and the second through hole (123) mainly provide lubricating oil to be stored or circulated to the first holding surface (111) and the second holding surface (121) In addition, the first member (11) and the second member (12) are respectively provided with a first dialing groove (114) and a second dialing groove (124), and the first dialing groove (114) The main function of the second dialing groove (124) is that when the adjusting type spacer (1) is placed in the transmission element, the first holding surface (111) and the second holding surface cannot be manually adjusted due to space limitation. (121), when the distance (D) between the first holding surface (111) and the second holding surface (121) is to be adjusted, the two needle-shaped tools are respectively inserted into the first dialing groove. And (114) and the second dial groove (124), and the first dialing groove (114) and the second dialing groove (124) are moved in different directions to make the first member (11) and the second member (12) The effect of adjusting the distance (D) between the first holding surface (111) and the second holding surface (121) can be achieved by relative rotation; further, the adjusting type spacer (1) is matched with a plurality of fixed Type spacers (2) are placed together between the plurality of rolling elements (3) to form a roll The movable module (100) is as shown in the third to sixth figures; and the fixed type spacer (2) has two holding faces (21) respectively disposed opposite to the two rolling elements (3), and the two retaining faces The pitch (L) of the surface (21) cannot be adjusted, but the pitch (L) of the two holding surfaces (21) of each of the fixed spacers (2) is not necessarily the same, and there may be manufacturing errors. Differently, the fixed type spacer (2) is further provided with a through hole (22) penetrating through the two holding surfaces (21), and the through hole (22) mainly supplies lubricating oil to be stored or circulated to the two holding surfaces (21). And the adjustment type spacer (1) mainly eliminates the gap between the fixed type spacer (2) and the rolling element (3) which can cause the spacers (1) and (2) to be dumped, because the foregoing And the solid The spacing (L) of the two retaining faces (21) of the shaped spacer (2) is constant, so it is assumed that the last fixed spacer (2) is placed between the two rolling bodies (3) and cannot fill the entire rolling die. In the group (100), it is necessary to adjust the appropriate thickness placement by the spacing of the two rolling elements by the adjusting spacer (1) to fill the entire rolling module (100) and let the rolling elements (3) There is no gap between the spacers (1) and (2) that can make the spacers (1) and (2) fall. Usually, the number of the adjustment spacers (1) in the rolling module (100) is only one to Three can be, this embodiment is taken as an example.

Referring to the fourth to seventh embodiments, the rolling module is applied to a ball screw (which can also be used for a transmission component such as a bearing, a linear slide rail, a roller screw, etc.) according to the preferred embodiment. The ball screw comprises: a long shaft (4) having a long strip structure with a spiral rolling groove (41) on the outer edge surface; and a moving body (5) having the long axis (4) a perforation (51), the inner edge surface of the perforation (51) is provided with a rolling groove (511) opposite to the rolling groove (41), and the rolling groove (41) and the rolling groove (511) constitute a load a path (90), and the moving body (5) is provided with a plurality of mounting holes (52) on the outer diameter surface, the mounting holes (52) are engaged with the rolling groove (511); and a plurality of reflow elements (6) In this embodiment, it is L-shaped, the reflow element (6) has a half return channel (61), the reflow element (6) is disposed in the mounting hole (52), and the two halves of the two reflow elements (6) are reflowed. (61) are connected to each other (as shown in the seventh figure) to form a return path, and the two ends of the return path are respectively connected to both ends of the load path (90) to form a circulation path, and the circulation path is provided The rolling module (100) capacity By setting the rolling module (100), the energy consumption of the long axis (4) and the moving body (5) during operation is reduced to achieve environmental protection.

Finally, referring to the sixth to seventh figures, when the rolling element (3) and the fixed type spacer (2) almost cover the entire circulation path, the spacing between the two rolling elements (3) cannot be When the fixed type spacer (2) is filled or cannot be placed in the fixed type spacer (2), the size of the gap can be measured first, and the first member (11) of the adjusted type spacer (1) is rotated first. Or the second member (12) adjusts the spacing (D) between the first holding surface (111) and the second holding surface (121) to meet the spacing, and the adjustment spacer (1) can be placed into the In the spacing, or first, the spacing (D) between the first holding surface (111) and the second holding surface (121) of the adjusting spacer (1) is adjusted to be smaller than the spacing between the two rolling elements (3). Then, the adjustment spacer (1) is placed between the two rolling elements (3), and then inserted into the first dialing groove (114) and the second toggle by two needle-shaped tools respectively. a groove (124), and the first movement groove (114) and the second movement groove (124) are moved in different directions, so that the first member (11) and the second member (12) are relatively rotated, that is, Adjusting the first holding surface (111) and the second holding surface (121) The distance from (D) to the spacing of the two rolling elements (3), and the sixth figure shows between the first holding surface (111) and the second holding surface (121) of the adjusting spacer (1) The spacing (D) is the largest, and the seventh is the minimum spacing (d) between the first holding surface (111) and the second holding surface (121) of the adjusting spacer (1). In this way, to fulfill the appeal of filling the entire circulation path, to avoid the tilting of the fixed type spacer (2) during operation, causing the transmission component to run unsmoothly, and the problem of jamming and unserviceability is serious. .

In view of the above, the "industrial availability" of the present invention should be unquestionable. In addition, the feature technology disclosed in the embodiment of the present invention has not been seen in publications before the application, nor has it been disclosed. Use, not only have the above work The fact that the effect is enhanced is more indispensable. Therefore, the "novelty" and "progressiveness" of the present invention are in compliance with the patent regulations, and the application for the invention patent is filed according to law, and the application is reviewed and given as soon as possible. Quasi-patent, real sense of virtue.

The above description of the embodiments is intended to be illustrative of the invention and is not intended to limit the scope of the invention.

(1) ‧‧‧Adjustable spacers

(11) ‧‧‧ first component

(112)‧‧‧ Groove

(1121)‧‧‧ internal thread

(113)‧‧‧First through hole

(114)‧‧‧First dialing slot

(12) ‧‧‧Second components

(121)‧‧‧second holding surface

(122)‧‧‧Bumps

(1221)‧‧‧ External thread

(123)‧‧‧Second through hole

(124)‧‧‧Second dial

Claims (2)

A transmission component with an adjustable spacer includes: a long axis; a moving body disposed on the long axis and reciprocally movable relative to the long axis; and a rolling module accommodated in the long axis Between the moving bodies, the rolling module includes: a plurality of rolling elements, a plurality of fixed type spacers, and one or more adjusting type spacers, wherein the fixed type spacers and the adjusting type spacers are respectively disposed between the rolling bodies, The fixed spacer has two holding faces respectively disposed opposite to the two rolling bodies; the adjusting type spacer comprises: a first member and a second member, the first member has a groove at one end and one end at the other end a first holding surface provided with respect to the rolling body, the groove has an internal thread, the second member has a convex portion on one end surface, and the other end surface has a second holding surface disposed opposite to the rolling body, the convex portion has a The first thread and the second member are screwed together by the internal thread and the external thread to adjust the distance between the first holding surface and the second holding surface, and the first Component and second component Respectively provided with first and second toggle toggle slot groove. The transmission element with the adjustment spacer according to claim 1, wherein the first holding surface and the second holding surface are respectively provided with a first through hole and a second through hole.