CN217965862U - Center frame for horizontal inclined lathe bed - Google Patents
Center frame for horizontal inclined lathe bed Download PDFInfo
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- CN217965862U CN217965862U CN202222507835.9U CN202222507835U CN217965862U CN 217965862 U CN217965862 U CN 217965862U CN 202222507835 U CN202222507835 U CN 202222507835U CN 217965862 U CN217965862 U CN 217965862U
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Abstract
The utility model discloses a horizontal centre frame for inclined lathe bed, including base, upper bracket, adjustment arm, gyro wheel and gyro wheel support, upper bracket and base are in one side down to one side through first pivot support hinge and lock through holding nut, set up the recess chamber on the side of upper bracket and base opposite side slant up respectively, the upper bracket and base slant up recess chamber intercommunication merge and form the work piece centre gripping chamber that the side radial is uncovered to one side up, work piece centre gripping chamber uncovered width is not less than lathe and crosses the saddle diameter; the middle section of the adjusting arm is supported and mounted on the upper support through a second rotating shaft and is suspended above the workpiece clamping cavity, and the angle position of the adjusting arm relative to the upper support is adjusted and limited through an angle adjusting mechanism; two roller supports are mounted on the base, rollers are mounted at the front ends of the adjusting arm and the front ends of the roller supports through roller shaft supports, three rollers form three-point support clamping for a workpiece, and the defect that the maximum clamping diameter is smaller than the diameter of the saddle due to interference avoidance is overcome.
Description
Technical Field
The utility model belongs to the technical field of the lathe, especially, relate to a horizontal centre frame for inclined lathe bed lathe.
Background
The horizontal inclined lathe body lathe is provided with a main spindle box at one end of the lathe body, an upper group of transverse guide rails and a lower group of transverse guide rails are arranged on the inclined surface of the lathe body, one group of guide rails at the upper part are used for moving, supporting and guiding a saddle provided with a cutter tower, and one group of guide rails at the lower part are used for moving, supporting and guiding a center frame. When a long-shaft pipe workpiece is machined, the maximum machining diameter of the lathe is determined by the diameter of the saddle, and the diameter of the saddle is the maximum rotation diameter between the center of a chuck on a spindle box and the top plane of the saddle. Adopt the traditional centre frame of the two angle opening forms of three point location, for avoiding centre frame opening angle and saddle to produce the interference, need choose for use less small centre frame for use, lead to the biggest centre gripping diameter of centre frame to be less than the saddle diameter, reduced the processing work piece diameter of lathe.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a purpose aims at solving two angles of traditional three point location and opens the defect that form centre frame leads to the biggest centre gripping diameter to be less than the saddle diameter because of avoiding interfering, provides one kind and can realize the biggest centre gripping diameter and cross the same horizontal slant bed lathe bed centre frame for lathe of saddle diameter.
Therefore, the utility model adopts the following technical proposal: a kind of horizontal oblique lathe bed uses the centre frame, there are upper and lower two-sets of transverse rails on the oblique top surface of the said oblique lathe bed, the said centre frame includes the base, the bottom surface of base has concrete chutes to connect and cooperate with a set of said guide rail of lower side, a set of guide rail of upper side is used for supporting the saddle of the lathe, its characteristic is, the said centre frame also includes upper bracket, adjusting arm, gyro wheel and gyro wheel support, upper bracket and said base are through the first pivot support hinge joint on one side of oblique downward, and lock the mutual position of upper bracket and base through the nut of tightening on the first pivot, upper bracket and base another side set up the groove cavity on the oblique upward side separately, upper bracket and said groove cavity that base tilt upward connect and make up the oblique upward side open and horizontally-through work piece grip cavity, the open width of the work piece grip cavity is not smaller than the lathe and crosses the saddle diameter of bed, loosen the nut on the first pivot, the upper bracket can be swung and rotated as the centre of rotation with the first pivot, expand the width of the work piece grip cavity, make the grip channel, facilitate the grip loading and unloading; the middle section of the adjusting arm is supported and installed on the upper support through a second rotating shaft, the angle position of the adjusting arm relative to the upper support is adjusted and limited through an angle adjusting mechanism, the front section of the adjusting arm is arranged above the workpiece clamping cavity in an overhanging mode, and the front end of the adjusting arm is provided with the roller through a roller shaft in a supporting mode; the base on install two gyro wheel support, the gyro wheel support front end towards work piece centre gripping chamber support through the roller shaft and install the gyro wheel, the gyro wheel of adjustment arm front end and two gyro wheel support front ends forms the three point support centre gripping to the work piece, the centre of a circle of the cross section of work piece is located the triangle that the centre of a circle of three gyro wheel cross sections is even becomes.
As a supplement and improvement to the above scheme, the utility model also comprises the following technical characteristics.
The roller support comprises a support seat, a telescopic part, a screw shaft and a locking nut, wherein the support seat is provided with an axial hole, and the telescopic part is embedded in the axial hole and can only axially move; the screw shaft and the bracket seat form circumferential rotation fit and are axially locked through the locking nut; the rear end of the telescopic piece is provided with a screw hole, and the screw shaft and the screw hole form threaded fit; the roller rotating shaft is arranged at the top end of the telescopic piece.
Furthermore, the axial hole is a stepped hole with a front section larger than a rear section, a shaft shoulder is formed in the middle section of the screw shaft and is positioned in the front section of the axial hole, and the screw shaft can only circumferentially rotate through axial limiting of the shaft shoulder and the locking nut.
The angle adjusting mechanism comprises a fixing screw, a set screw and an installation block, the installation block is installed on the upper support, the set screw penetrates through a screw hole in the installation block and abuts against the adjusting arm, an abutting point is located between the second rotating shaft and the front end of the adjusting arm, the rear end of the adjusting arm is provided with an arc long slotted hole, a screw hole is formed in the upper support in a corresponding position, the fixing screw is screwed in the screw hole and located in the arc long slotted hole, the angle position of the adjusting arm relative to the upper support is driven by adjusting the position of the set screw on the installation block, and the angle position of the adjusting arm is fixed through the fixing screw.
The utility model discloses following beneficial effect can be reached: the upper support is hinged to the base, the side face of one side of the upper support and the side face of one side of the base, which faces upwards, of the upper support is provided with the radial open clamping cavity, the adjusting arm which is arranged on the upper support and stretches out of the clamping cavity in an inclined mode is supported and installed, the top of the adjusting arm is pressed against the roller and the two bottom supporting rollers form a workpiece clamping mechanism, a completely open workpiece loading and unloading space is achieved, workpieces are convenient to load and unload, and the size of the center frame can meet the requirement that the diameter of the maximum clamped workpiece reaches the diameter of a saddle and cannot interfere with the saddle.
Drawings
Fig. 1 is a three-dimensional structure view of the utility model mounted on an inclined bed.
Fig. 2 is a three-dimensional structure view of the utility model mounted on an inclined bed.
Fig. 3 is a front view of the utility model mounted on an inclined bed.
Fig. 4 isbase:Sub>A partial sectional view taken along linebase:Sub>A-base:Sub>A of fig. 3.
Detailed Description
The embodiments of the present invention will be described in detail with reference to the drawings, and the described embodiments are illustrative and explanatory of the invention and do not limit the invention.
It should be noted that unless otherwise defined, technical and scientific terms used in the embodiments of the present invention should have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs. The use of "first," "second," and the like in this disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or component appearing before the word covers the elements or components listed after the word and their equivalents, without excluding other elements or components. The terms "connected" and "connected" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect, "upper, lower, left, right, front, rear, top, bottom," and the like, merely indicate relative positional relationships, which may change when the absolute position of the object being described changes.
As shown in fig. 1-4, the utility model relates to a horizontal centre frame for inclined lathe bed lathe for be provided with upper and lower two sets of transverse guide on the oblique top surface of the inclined lathe bed 1 of supporting installation centre frame, a set of guide rail of upside of inclined lathe bed is used for supporting the saddle 10 of lathe, inclined lathe bed one end installation lathe headstock 6. The centre frame includes base 4, upper bracket 5, adjusting arm 8, gyro wheel and gyro wheel support 2, and the base bottom surface is seted up the spout and is connected the cooperation with a set of transverse guide of downside on the inclined lathe bed 1, and upper bracket 5 and base 4 support articulated through first pivot 3 in one side of inclining downwards to through screwing up 14 locking nuts on first pivot 3 to the mutual position of upper bracket and base locks. The side surfaces of the upper support and the other side of the base, which face obliquely upwards, are respectively provided with an arc-shaped groove-shaped cavity, the groove-shaped cavities of the upper support and the base, which face obliquely upwards, are communicated and combined to form an arc-shaped workpiece clamping cavity, which faces obliquely upwards and is radially open and transversely communicated, and the opening width of the workpiece clamping cavity is not less than the diameter of the lathe saddle. The upper support can swing around the first rotating shaft as a rotating center by loosening the fastening nut on the first rotating shaft, so that the open width of the workpiece clamping cavity is enlarged, the clamping and loading and unloading channel is wider, and the clamping and loading and unloading are facilitated. The middle section of the adjusting arm 8 is supported and installed on the upper support 5 through a second rotating shaft 9, the angle position of the adjusting arm relative to the upper support is adjusted and limited through an angle adjusting mechanism, the front section of the adjusting arm is located above the workpiece clamping cavity in an overhanging mode, and one roller is installed at the front end of the adjusting arm through a roller shaft in a supporting mode and serves as a pressing roller 11.
Two roller supports 2 are mounted on the base 4, and each roller support 2 comprises a support base 25, a telescopic part 22, a screw shaft 24 and a locking nut 21. The support base 25 is provided with a cylindrical axial hole, the axial hole is a step hole with a front section larger than a rear section, the cylindrical telescopic part 22 is embedded in the front section of the axial hole, an axially long groove is formed in the outer circular surface of the telescopic part 22, a limit screw hole is correspondingly formed in the support base 25, a limit screw is screwed in the limit screw hole, and the limit screw is inserted into the axially long groove in the outer circular surface of the telescopic part 22, so that the telescopic part 22 can only axially move. The rear end of the telescopic piece 22 is provided with a screw hole, the middle section of the screw shaft is provided with a shaft shoulder, the shaft shoulder is positioned in the front section of the axial hole, the front section of the screw shaft is provided with threads which are in threaded fit with the screw hole on the telescopic piece, and the shaft shoulder of the screw shaft 24 and the locking nut 21 are axially limited on the screw shaft so that the screw shaft can only circumferentially rotate. The front section of the telescopic piece is provided with a roller mounting groove, and one roller is supported and mounted in the roller mounting groove through a roller rotating shaft and serves as a supporting roller 23. The supporting roller 23 extends into the workpiece clamping cavity to form three-point supporting clamping on the workpiece with the pressing roller 11, and the circle center of the cross section of the workpiece is positioned in a triangle formed by connecting the circle centers of the cross sections of the three rollers.
The angle adjusting mechanism comprises a fixing screw 13, a set screw 12 and an installation block 7, the installation block 7 is installed on the upper support 5, the set screw 12 penetrates through a screw hole in the installation block 7 and abuts against the adjusting arm 8, an abutting point is located between the second rotating shaft 9 and the front end of the adjusting arm, the rear end of the adjusting arm is provided with an arc long groove hole, a screw hole is formed in the upper support in a corresponding position, the fixing screw 13 is screwed in the screw hole and located in the arc long groove hole, the position of the set screw on the installation block is adjusted, the angle position of the adjusting arm relative to the upper support is driven, and the angle position of the adjusting arm is fixed through the fixing screw.
Claims (4)
1. The utility model provides a horizontal oblique lathe bed is centre frame for lathe, includes the base, the base bottom surface seted up the spout with a set of transverse guide of downside of oblique lathe bed connects cooperation, its characterized in that: the center frame further comprises an upper support, an adjusting arm, a roller and a roller support, the upper support and the base are hinged on one side of the inclined downward side through a first rotating shaft, the mutual positions of the upper support and the base are locked through a fastening nut screwed on the first rotating shaft, groove-shaped cavities are respectively arranged on the inclined upward side faces of the other sides of the upper support and the base, the inclined upward groove-shaped cavities of the upper support and the base are communicated and combined to form an inclined upward workpiece clamping cavity with a radial opening and a transverse through, and the opening width of the workpiece clamping cavity is not less than the diameter of a lathe saddle; the middle section of the adjusting arm is supported and mounted on the upper support through a second rotating shaft, the angle position of the adjusting arm relative to the upper support is adjusted and limited through an angle adjusting mechanism, the front section of the adjusting arm is positioned above the workpiece clamping cavity in a hanging mode, and the front end of the adjusting arm is supported and mounted with the roller through a roller shaft; the base on install two the gyro wheel support, the gyro wheel support front end towards work piece centre gripping chamber is installed through the roller shaft support the gyro wheel, the gyro wheel of adjustment arm front end and gyro wheel support front end forms the three point support centre gripping to the work piece.
2. The center frame for a horizontal inclined lathe according to claim 1, wherein: the roller support comprises a support seat, a telescopic part, a screw shaft and a locking nut, wherein the support seat is provided with an axial hole, and the telescopic part is embedded in the axial hole and can only axially move; the screw shaft and the bracket seat form circumferential rotation fit and are axially locked through the locking nut; the rear end of the telescopic piece is provided with a screw hole, and the screw shaft and the screw hole form threaded fit; the roller rotating shaft is arranged at the top end of the telescopic piece.
3. The center rest for a horizontal inclined lathe according to claim 2, wherein: the axial hole is a stepped hole with a front section larger than a rear section, a shaft shoulder is formed in the middle section of the screw shaft and is positioned in the front section of the axial hole, and the screw shaft can only rotate in the circumferential direction through the axial limiting of the shaft shoulder and the locking nut.
4. The center frame for a horizontal type inclined lathe according to claim 2 or 3, wherein: the angle adjusting mechanism comprises a fixing screw, a set screw and an installation block, the installation block is installed on the upper support, the set screw penetrates through a screw hole in the installation block and abuts against the adjusting arm, an abutting point is located between the second rotating shaft and the front end of the adjusting arm, an arc long groove hole is formed in the rear end of the adjusting arm, a screw hole is formed in the corresponding position on the upper support, and the fixing screw is screwed in the screw hole and located in the arc long groove hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222507835.9U CN217965862U (en) | 2022-09-21 | 2022-09-21 | Center frame for horizontal inclined lathe bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222507835.9U CN217965862U (en) | 2022-09-21 | 2022-09-21 | Center frame for horizontal inclined lathe bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217965862U true CN217965862U (en) | 2022-12-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222507835.9U Active CN217965862U (en) | 2022-09-21 | 2022-09-21 | Center frame for horizontal inclined lathe bed |
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| Country | Link |
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| CN (1) | CN217965862U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116511551A (en) * | 2023-07-03 | 2023-08-01 | 广东亚数智能科技股份有限公司 | High-speed synchronous tool rest of numerical control lathe and machining method |
-
2022
- 2022-09-21 CN CN202222507835.9U patent/CN217965862U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116511551A (en) * | 2023-07-03 | 2023-08-01 | 广东亚数智能科技股份有限公司 | High-speed synchronous tool rest of numerical control lathe and machining method |
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