CN108856740A - A kind of numerically-controlled machine tool is with applying precision bearing device - Google Patents

Abstract

The invention discloses a precision bearing device for supporting a numerically controlled machine tool, and relates to the technical field for supporting a numerically controlled machine tool. The CNC machine tool is equipped with a precision bearing device, including a left bearing seat and a right bearing seat, the lower end of the right bearing seat is fixedly connected with a base, and a first thread groove is opened on the left end side of the left bearing seat and the base, and the The shape of the first thread groove is a slope type, and the first bolt is threaded inside the first thread groove. The CNC machine tool is equipped with a precision bearing device, through the left bearing seat, the right bearing seat, the first hinge, the base, the first thread groove, the first bolt, the limit device, the hinge, the limit block, the card slot, and the bar , the setting of the second groove and the third bolt can adjust the angle of the bearing when people use it. When different angles are needed, the third bolt can be taken out from the second groove, and then the clip The angle of the bearing can be adjusted by removing it from the slot.

Description

A precision bearing device for CNC machine tools

technical field

The invention relates to the technical field of matching of numerical control machine tools, in particular to a precision bearing device for matching of numerical control machine tools.

Background technique

CNC machine tool is a numerically controlled machine tool, which is an automatic machine tool equipped with a program control system. The control system can logically process programs with control codes or other symbolic instructions, decode them, express them in coded numbers, and input them into the numerical control device through the information carrier. After calculation and processing, various control signals are sent by the numerical control device to control the movement of the machine tool, and the parts are automatically processed according to the shape and size required by the drawing. The processing problem is a flexible and high-efficiency automatic machine tool, which represents the development direction of modern machine tool control technology and is a typical mechatronic product. The processing of parts on CNC machine tools mainly depends on the processing program. Unlike ordinary machine tools, it does not need to be manufactured, many molds and fixtures need to be replaced, and the machine tool does not need to be readjusted frequently. Therefore, CNC machine tools are suitable for occasions where the processed parts are frequently replaced, that is, suitable for single-piece, small-batch production and new product development, thereby shortening the production preparation cycle and saving a lot of process equipment costs.

At present, the CNC machine tools on the market are equipped with precision bearing devices, and people cannot adjust the angle of the bearings when they are in use. For example, the authorized patent with the publication (announcement) number: CN104482055A discloses a bearing seat that can hold double bearings. The double-bearing bearing seat involved in the invention has a simple structure and can realize effective positioning and load bearing, but the angle of the bearing cannot be adjusted. When different angles are required, it cannot be adjusted so that it is not convenient for people to use.

Contents of the invention

(1) Solved technical problems

Aiming at the deficiencies of the prior art, the present invention provides a precision bearing device for CNC machine tools, which solves the problem that the angle of the bearing cannot be adjusted when people use it, and it is inconvenient for people to use because it cannot be adjusted when a different angle is required. question.

(2) Technical solutions

In order to achieve the above purpose, the present invention is achieved through the following technical solutions: a precision bearing device for a CNC machine tool, including a left bearing seat and a right bearing seat, the lower end of the right bearing seat is fixedly connected with a base, and the left bearing seat There is a first thread groove on the left end side of the base, the shape of the first thread groove is slope type, the first bolt is threaded inside the first thread groove, the left bearing seat and the right bearing seat Both are provided with a first groove, and the inside of the first groove is movably connected with a left cover plate and a right cover plate respectively through a pin shaft, and the left cover plate and the right cover plate can move at a certain angle through the pin shaft, The number of the pin shafts is two, the left bearing seat and the base are provided with a limit device, and the insides of the left bearing seat, the right bearing seat, the left cover plate and the right cover plate are all provided with annular grooves. The inside of the annular groove is provided with a connecting block, the inside of the annular groove and the outer ring of the connecting block are fixedly connected with anti-slip lines, the number of the anti-slip lines is two, and the inside of the connecting block is fixedly connected with a precision bearing body .

Preferably, the middle parts of the left bearing seat and the right bearing seat are movably connected together through a first hinge, and the left bearing seat can move at a certain angle through the first hinge, and the number of the first hinges is two indivual.

Preferably, the left bearing seat, the right bearing seat, the left cover plate, and the right cover plate are all provided with second thread grooves, and the inner threads of the second thread grooves are connected with second bolts, and the second thread grooves And the number of second bolts is four.

Preferably, the limiting device includes a hinge, a limiting block, a slot, a clip, a second groove, and a third bolt, the upper end of the hinge is fixedly connected to the left cover, and the left cover The lower end is fixedly connected with the limit block, the shape of the limit block is trapezoidal, the limit block and the base are provided with a card slot, the inside of the card slot is provided with a clip bar, the hinge and the limit block are Each is provided with a second groove, and the inner thread of the second groove is connected with a third bolt.

Preferably, the outer ring of the base is fixedly connected with a bottom plate, and a rivet groove is opened on the bottom plate, and the inside of the rivet groove is fixedly connected to an external item through rivets, and the rivets are not less than four.

Preferably, the precision bearing body includes a bearing outer ring, balls, a bearing inner ring, a ball groove, and a wear-resistant layer. The bearing outer ring is movably connected to a bearing inner ring through balls, and a ball The ball is embedded in the ball groove, and the outer ring of the ball and the inside of the ball groove are fixedly connected with a wear-resistant layer.

Preferably, the inner ring of the bearing is fixedly connected with an anti-slip layer, and the number of the balls and ball grooves is not less than ten.

(3) Beneficial effects

The invention provides a precision bearing device for a numerical control machine tool. Has the following beneficial effects:

(1) The CNC machine tool is equipped with a precision bearing device, through the left bearing seat, the right bearing seat, the first hinge, the base, the first thread groove, the first bolt, the limit device, the hinge, the limit block, the card The arrangement of the groove, the clip, the second groove and the third bolt can adjust the angle of the bearing when people use it. When different angles are needed, the third bolt can be taken out from the second groove, and then After the clip strip is removed from the clip slot, the angle of the bearing can be adjusted, which is convenient for people to use.

(2) The CNC machine tool is equipped with a precision bearing device, through the left bearing seat, the right bearing seat, the first hinge, the base, the first thread groove, the first bolt, the pin shaft, the first groove, and the second thread The groove, the second bolt, the left cover plate, the right cover plate, the annular groove, the connecting block, the anti-skid pattern and the setting of the precision bearing body are used to facilitate the installation of the bearing when people use it. The precision bearing body and the right cover plate can be clamped in the annular groove, so as to be fixed firmly, and the bearing will not be separated due to shaking when people use it, which can reduce the cost of the precision bearing and is convenient for people to use.

(3) The CNC machine tool is equipped with a precision bearing device. By setting the bottom plate, rivet slots and rivets, it is easy to install. The base can be fixed and connected to the peripheral items through the rivets, which is simple and convenient. 1. The setting of anti-slip pattern has a good anti-slip effect, can increase the friction force between parts, and is convenient for people to use.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a side plan view of the annular groove of the present invention;

Fig. 3 is a partial schematic diagram of the precision bearing body of the present invention;

Fig. 4 is a schematic diagram of the inner side of the annular groove of the present invention;

Fig. 5 is an enlarged view of A in Fig. 1 of the present invention.

In the figure: 1 left bearing seat, 2 right bearing seat, 3 first hinge, 4 base, 5 first thread groove, 6 first bolt, 7 pin shaft, 8 first groove, 9 second thread groove, 10 The second bolt, 11 left cover plate, 12 right cover plate, 13 anti-skid layer, 14 limit device, 1401 hinge, 1402 limit block, 1403 card slot, 1404 card bar, 1405 second groove, 1406 third bolt, 15 base plate, 16 rivet groove, 17 rivet, 18 annular groove, 19 connecting block, 20 anti-skid pattern, 21 precision bearing body, 2101 bearing outer ring, 2102 ball, 2103 bearing inner ring, 2104 ball groove, 2105 wear-resistant layer.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

Examples of the described embodiments are shown in the drawings, wherein like or similar reference numerals designate like or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial", The orientation or positional relationship indicated by "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the referred device or element Must be in a particular orientation, be constructed in a particular orientation, and operate in a particular orientation, and therefore should not be construed as limiting the invention.

In the present invention, unless otherwise clearly specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection , or integrated; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

Please refer to Figures 1-5, the present invention provides a technical solution: a precision bearing device for a CNC machine tool, including a left bearing seat 1 and a right bearing seat 2, and the middle parts of the left bearing seat 1 and the right bearing seat 2 pass through the first The hinges 3 are movably connected together, the left bearing seat 1 can move at a certain angle through the first hinge 3, the number of the first hinges 3 is two, the lower end of the right bearing seat 2 is fixedly connected with the base 4, the left bearing seat 1 and the left side of the base 4 are provided with a first threaded groove 5, the shape of the first threaded groove 5 is a slope type, the internal thread of the first threaded groove 5 is connected with the first bolt 6, the left bearing seat 1 and the right bearing seat 2 are provided with a first groove 8, and the inside of the first groove 8 is respectively movably connected with a left cover plate 11 and a right cover plate 12, a left bearing seat 1, a right bearing seat 2 and a left cover plate 11 through a pin shaft 7. 1. The right cover plate 12 is provided with a second threaded groove 9, and the inner thread of the second threaded groove 9 is connected with a second bolt 10, the number of the second threaded groove 9 and the second bolt 10 is four, and the left cover plate 11 And right cover plate 12 all can move certain angle by pin 7, and the quantity of pin 7 is two, and left bearing block 1 and base 4 are provided with limiting device 14, and limiting device 14 package block hinge 1401, position-limiting Block 1402, card slot 1403, clip bar 1404, second groove 1405, third bolt 1406, the upper end of hinge 1401 is fixedly connected on the left cover plate 11, and the lower end of left cover plate 11 is fixedly connected with limiting block 1402, and the limiter The shape of the block 1402 is trapezoidal. Both the limiting block 1402 and the base 4 are provided with a card slot 1403. The inside of the card slot 1403 is provided with a card bar 1404. The hinge 1401 and the limiting block 1402 are provided with a second groove 1405. The inner thread of the second groove 1405 is connected with a third bolt 1406, the left bearing seat 1, the right bearing seat 2, the first hinge 3, the base 4, the first thread groove 5, the first bolt 6, the limiter 14, The setting of the hinge 1401, the stopper 1402, the slot 1403, the bar 1404, the second groove 1405, and the third bolt 1406 can adjust the angle of the bearing when people use it. Take out the third bolt 1406 from the second groove 1405, and then remove the clamp strip 1404 from the clamp groove 1403 to adjust the angle of the bearing, the left bearing seat 1, the right bearing seat 2 and the left cover plate 11, The inside of the right cover plate 12 is provided with an annular groove 18, the outer ring of the base 4 is fixedly connected with a base plate 15, and the base plate 15 is provided with a rivet groove 16, and the inside of the rivet groove 16 is fixedly connected to the peripheral article by a rivet 17, and the rivet 17 Not less than four, the inside of the annular groove 18 is provided with a connecting block 19, and the inside of the annular groove 18 and the outer ring of the connecting block 19 are fixedly connected with anti-slip lines 20, and the bottom plate 15, the rivet groove 16, and the rivet 17 are provided. To facilitate installation, the base 4 can be fixedly connected to the peripheral items through the rivet 17, which is simple and convenient, and the anti-skid effect is good by setting the anti-skid layer 13 and the anti-skid pattern 20, which can increase the distance between the parts. Friction, the number of anti-skid lines 20 is two, the inside of the connection block 19 is fixedly connected with a precision bearing body 21, a left bearing seat 1, a right bearing seat 2, a first hinge 3, a base 4, a first thread groove 5, First bolt 6, pin shaft 7, first groove 8, second thread groove 9, second bolt 10, left cover plate 11, right cover plate 12, annular groove 18, connecting block 19, anti-skid pattern 20, precision bearing The setting of the body 21 facilitates the installation of the bearing when people use it. The precision bearing body 21 can be clamped in the annular groove 18 by 3 connecting the left cover plate 11 and the right cover plate 12 through the first hinge, thereby fixing it firmly , the bearing will not be separated due to shaking when people use it. The precision bearing body 21 includes a bearing outer ring 2101, balls 2102, bearing inner ring 2103, ball grooves 2104, wear-resistant layer 2105, and the bearing outer ring 2101 is movably connected by balls 2102. There is a bearing inner ring 2103, and the outside of the bearing inner ring 2103 is provided with a ball groove 2104, and the ball 2102 is embedded in the ball groove 2104, and the outer ring of the ball 2102 and the inside of the ball groove 2104 are fixedly connected with a wear-resistant layer 2105, and the bearing inner ring The inside of 2103 is fixedly connected with anti-slip layer 13, and the number of balls 2102 and ball grooves 2104 is not less than ten.

When the precision bearing device for the CNC machine tool is installed, after the left cover plate 11 and the right cover plate 12 are opened through the pin shaft 7, after the precision bearing body 21 is clamped in the annular groove 18, the second bolt 10 After the left cover plate 11 and the right cover plate 12 are fixed on the left bearing seat 1 and the right bearing seat 2, the precision bearing body 21 can be fixed firmly, and then when people need to move the left precision bearing body 21 body, by placing the second A thread groove 5 is taken out from the first bolt 6, the third bolt 1406 is taken out from the second groove 1405, and then the angle of the left precision bearing body 21 can be adjusted after the clip 1404 is taken out, which is convenient for people to use.

To sum up, the CNC machine tool is equipped with a precision bearing device, through the left bearing seat 1, the right bearing seat 2, the first hinge 3, the base 4, the first thread groove 5, the first bolt 6, and the limit device 14 , hinge 1401, limit block 1402, card groove 1403, card bar 1404, second groove 1405, and third bolt 1406 are set up, so that people can adjust the angle of the bearing when using it, and when different angles are required, it can By taking out the third bolt 1406 from the second groove 1405, and then removing the clip bar 1404 from the clip slot 1403, the angle of the bearing can be adjusted, which is convenient for people to use.

At the same time, the CNC machine tool is equipped with a precision bearing device, through the left bearing seat 1, the right bearing seat 2, the first hinge 3, the base 4, the first thread groove 5, the first bolt 6, the pin shaft 7, the first concave Groove 8, the second screw groove 9, the second bolt 10, the left cover plate 11, the right cover plate 12, the annular groove 18, the connecting block 19, the anti-skid pattern 20, the setting of the precision bearing body 21, have played when people use It is convenient to install the bearing, and the precision bearing body 21 can be clamped in the annular groove 18 by 3 connecting the left cover plate 11 and the right cover plate 12 through the first hinge, so as to fix it firmly, and the bearing will not be damaged due to shaking when people use it. Separation can reduce the cost of precision bearings and is convenient for people to use.

At the same time, the CNC machine tool is equipped with a precision bearing device. By setting the bottom plate 15, the rivet groove 16 and the rivet 17, it is easy to install. The base 4 can be fixedly connected to the peripheral items through the rivet 17, which is simple and convenient. The anti-skid layer 13 and the 20 settings of the anti-skid lines have played a good anti-skid effect, can increase the friction between the parts, and are convenient for people to use.

The electrical components appearing in this article are all connected with the external main controller and 130V mains electricity, and the main controller can be a conventionally known device that plays a control such as a computer.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, according to the technical solution of the present invention Any equivalent replacement or change of the inventive concepts thereof shall fall within the protection scope of the present invention.

Claims (7)

1. A precision bearing device for a CNC machine tool, comprising a left bearing seat (1) and a right bearing seat (2), characterized in that: the lower end of the right bearing seat (2) is fixedly connected with a base (4), the The first thread groove (5) is provided on the left side of the left bearing seat (1) and the base (4). The shape of the first thread groove (5) is a slope type. The first thread groove (5) There are first bolts (6) in the internal threaded connection, the first groove (8) is opened on the left bearing seat (1) and the right bearing seat (2), and the inside of the first groove (8) The left cover plate (11) and the right cover plate (12) are respectively movably connected through the pin shaft (7), and the left cover plate (11) and the right cover plate (12) can move to a certain extent through the pin shaft (7). Angle, the number of the pin shaft (7) is two, the left bearing seat (1) and the base (4) are provided with a limit device (14), the left bearing seat (1), the right bearing seat ( 2) There is an annular groove (18) inside the left cover plate (11) and the right cover plate (12), and a connecting block (19) is arranged inside the annular groove (18), and the annular groove (18) ) and the outer ring of the connection block (19) are fixedly connected with anti-slip lines (20), the number of the anti-slip lines (20) is two, and the interior of the connection block (19) is fixedly connected with a precision bearing body (twenty one). 2. A precision bearing device for CNC machine tools according to claim 1, characterized in that: the middle parts of the left bearing seat (1) and the right bearing seat (2) are movably connected by the first hinge (3) Together, the left bearing seat (1) can move at a certain angle through the first hinge (3), and the number of the first hinge (3) is two. 3. A precision bearing device for a CNC machine tool according to claim 1, characterized in that: the left bearing seat (1), the right bearing seat (2), the left cover plate (11), the right cover plate ( 12) are provided with a second thread groove (9), the internal thread of the second thread groove (9) is connected with a second bolt (10), the second thread groove (9) and the second bolt (10) ) is four. 4. A precision bearing device for a CNC machine tool according to claim 1, characterized in that: the limiting device (14) includes a block hinge (1401), a limiting block (1402), and a slot (1403) , clip (1404), second groove (1405), third bolt (1406), the upper end of the hinge (1401) is fixedly connected to the left cover (11), and the left cover (11) The lower end is fixedly connected with a limit block (1402), the shape of the limit block (1402) is trapezoidal, and a card slot (1403) is opened on the limit block (1402) and the base (4), and the card slot (1403) is provided with a clip (1404), the hinge (1401) and the limit block (1402) are provided with a second groove (1405), the internal thread of the second groove (1405) Attached is a third bolt (1406). 5. A precision bearing device for a CNC machine tool according to claim 1, characterized in that: the outer ring of the base (4) is fixedly connected with a bottom plate (15), and a rivet groove is opened on the bottom plate (15) (16), the inside of the rivet groove (16) is fixedly connected to the peripheral item through rivets (17), and the rivets (17) are not less than four. 6. A precision bearing device for a CNC machine tool according to claim 1, characterized in that: the precision bearing body (21) includes a bearing outer ring (2101), balls (2102), and a bearing inner ring (2103) , ball groove (2104), wear-resistant layer (2105), the outer ring of the bearing (2101) is movably connected to the inner ring of the bearing (2103) through the ball (2102), and the outer ring of the bearing (2103) is provided with balls groove (2104), the ball (2102) is embedded in the ball groove (2104), and the outer ring of the ball (2102) and the inside of the ball groove (2104) are fixedly connected with a wear-resistant layer (2105). 7. A precision bearing device for a CNC machine tool according to claim 6, characterized in that: the inner ring of the bearing (2103) is fixedly connected with an anti-slip layer (13), and the ball (2102) and the ball The number of slots (2104) is not less than ten.