CN218135366U - Center distance adjusting device for broaching machine - Google Patents
Center distance adjusting device for broaching machine Download PDFInfo
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- CN218135366U CN218135366U CN202221891295.2U CN202221891295U CN218135366U CN 218135366 U CN218135366 U CN 218135366U CN 202221891295 U CN202221891295 U CN 202221891295U CN 218135366 U CN218135366 U CN 218135366U
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- broaching machine
- adjusting device
- distance adjusting
- center distance
- bolt
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Abstract
The utility model discloses a centre-to-centre spacing adjusting device for broaching machine, it includes: broaching machine broach inlet port lateral wall, broaching machine broach inlet port lateral wall department is provided with the installing port, the inboard of installing port is provided with preceding fastener, preceding fastener is located the intraoral lateral wall of installing and is provided with the connecting hole, preceding fastener be provided with the back splint, the leading flank fixedly connected with screw rod of back splint, the screw rod passes from the connecting hole, the trailing flank of back splint rotates and is connected with the rotating turret, the middle part of rotating turret is provided with two spouts that are 180 degrees distributions. The position of the axis of the connecting disc at the inner side of the rotating frame can be adjusted through the rotation of the connecting disc in the sliding groove on the rotating frame along the diameter direction of the rotating frame and the rotation of the rotating frame, and then the center distance between the broaching tool and the workpiece machining hole can be changed after the three-jaw clamp is installed on the connecting disc.
Description
Technical Field
The utility model relates to a broaching machine technical field, in particular to a centre-to-centre spacing adjusting device for broaching machine.
Background
The broaching machine is a machine tool for processing through holes, planes and formed surfaces of workpieces by using a broaching tool as a cutter. The broaching can obtain higher dimensional accuracy and smaller surface roughness, has high productivity and is suitable for mass production. Most broaching machines have only the main motion of straight broaching by the broaching tool and no feed motion.
After searching at the time of patent application, a patent with the patent number of 201220096202.7 is found: a center distance adjusting device for a broaching machine, comprising: a positioning hole configured such that the center thereof does not coincide with the center of the center distance adjusting means. The adjusting range of the center distance adjusting device is smaller when the device works, so that the center distance between the workpiece machining hole and the broaching tool and the adjusting range of the workpiece machining hole and the broaching tool are smaller, and therefore improvement is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve one of the technical problem that exists among the prior art at least, a centre-to-centre spacing adjusting device for broaching machine is provided, through the rotation of link in the spout on the rotating turret along rotating turret diameter direction, and the rotation of rotating turret, can adjust the axis of connection pad in the inboard position of rotating turret, and then can change the centre-to-centre spacing in broach and work piece processing hole behind the installation three-jaw anchor clamps on the connection pad, in addition through two bolts respectively with the cooperation of sharp scale strip and circular scale strip, can know the removal condition of connection pad.
The utility model discloses still provide and have above-mentioned centre-to-centre spacing adjusting device for broaching machine, include: the broaching machine broach inlet opening is provided with an installation opening, the inner side of the installation opening is provided with a front clamping piece, the side wall of the front clamping piece in the installation opening is provided with a connecting hole, the front clamping piece is provided with a rear clamping plate, the front side surface of the rear clamping plate is fixedly connected with a screw rod, and the screw rod penetrates through the connecting hole;
the rear side surface of the rear clamping plate is rotatably connected with a rotating frame, the middle part of the rotating frame is provided with two sliding grooves which are distributed in 180 degrees, the two sliding grooves are internally and slidably connected with connecting frames, one end of the two connecting frames which face each other is fixedly connected with a connecting disc, a first bolt is in threaded connection with the position of the rear clamping plate, which is positioned in the middle of the sliding grooves, the middle parts of the connecting frames are respectively provided with a linear guide groove, the rod part of the first bolt is positioned in the linear guide groove, a linear scale bar is embedded in the position of the rear side surface of the connecting frame, which is positioned on one side of the linear guide groove, and a zero scribed line of the linear scale bar is parallel to a tangent plane of the linear guide groove, which is connected to one side of the connecting disc;
the rear flank of back splint is embedded to have circular scale strip, circular scale strip is located the outside of rotating turret, just be located on the rotating turret and be provided with two arc guide ways between two spouts, the trailing flank threaded connection of back splint has two second bolts that are 180 degrees distributions, the pole portion of second bolt is located the inboard of arc guide way.
According to the center distance adjusting device for the broaching machine, the front side face of the part, located on the front side of the mounting opening, of the front clamping piece is provided with the accommodating groove, the screw rod extends into the accommodating groove, and the side face in the accommodating groove is in threaded connection with the nut. After the nut is screwed down, the front clamping piece and the rear clamping plate are clamped on the side wall of the inlet of the broaching tool of the broaching machine.
According to the center distance adjusting device for the broaching machine, the middle part of the connecting disc is communicated, and a mounting hole is formed in the side edge. The three-jaw clamp can be mounted on the connecting disc through the mounting hole.
According to the center distance adjusting device for the broaching machine, the side surface of the rod part of the first bolt is in contact with two parallel side surfaces of the linear guide groove, and the head part of the first bolt is positioned at the rear side of the connecting frame.
According to the center distance adjusting device for the broaching machine, the rear side face of the circular scale bar is flush with the rear side face of the rear clamping plate, and the front side face of the connecting frame is flush with the rear side face of the circular scale bar.
According to the center distance adjusting device for the broaching machine, the side face of the rod part of the second bolt is in contact with the inner side face of the arc-shaped guide groove, and the head part of the second bolt is positioned at the rear side of the rotating frame.
According to the center distance adjusting device for the broaching machine, the arc-shaped guide groove, the rotating frame, the front clamping piece, the circular scale bar and the rear clamping plate are coaxially arranged.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The present invention will be further described with reference to the accompanying drawings and examples;
fig. 1 is a schematic structural view of a center distance adjusting device for a broaching machine according to the present invention;
fig. 2 is a rear view of a center distance adjusting device for a broaching machine according to the present invention;
fig. 3 is a cross-sectional view of a center distance adjusting device for a broaching machine according to the present invention in the left-right direction;
fig. 4 is a cross-sectional view of the center distance adjusting device for the broaching machine of the present invention in the up-down direction.
Illustration of the drawings:
1. a front card member; 2. a nut; 3. a screw; 5. a rear splint; 6. a connecting frame; 7. a linear scale bar; 8. a first bolt; 9. a linear guide groove; 10. a second bolt; 11. a rotating frame; 12. a circular scale bar; 13. an arc-shaped guide groove; 14. and (7) connecting the disc.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
Referring to fig. 1-4, an embodiment of the present invention provides a center distance adjusting device for a broaching machine, including: the broaching machine broach inlet port side wall is the position for installing a workpiece fixture in the prior art, a mounting port is arranged on the side wall of the broaching machine broach inlet port, a front clamping piece 1 is arranged on the inner side of the mounting port, a connecting hole is formed in the side wall of the front clamping piece 1 in the mounting port, a rear clamping plate 5 is arranged on the front clamping piece 1, a screw rod 3 is fixedly connected to the front side surface of the rear clamping plate 5, the screw rod 3 penetrates through the connecting hole, an accommodating groove is formed in the front side surface of the front side part of the front clamping piece 1 in the mounting port, the screw rod 3 extends into the accommodating groove, a nut 2 is in threaded connection with the side surface of the accommodating groove, the screw rod 3 penetrates through the connecting hole, and after the nut 2 is tightened, the broaching machine broach inlet port side wall can be clamped and fixed through the cooperation of the front side part of the front clamping piece 1 and the rear clamping plate 5, so that the connection of the front clamping piece 1 and the rear clamping plate 5 on the side wall of the broaching machine broach inlet port can be completed;
the rear side surface of the rear clamping plate 5 is rotatably connected with a rotating frame 11, two sliding grooves distributed at 180 degrees are arranged in the middle of the rotating frame 11, connecting frames 6 are connected in the two sliding grooves in a sliding manner, namely the connecting frames 6 rotate in the diameter direction of the rotating frame 11 through the limiting effect of the sliding grooves to further drive the connecting disc 14 to move in the diameter direction of the rotating frame 11, one end, facing each other, of each of the two connecting frames 6 is fixedly connected with a connecting disc 14, the middle part of the connecting disc 14 is communicated, mounting holes are formed in the side edges, a three-jaw clamp can be fixedly mounted on the front side of the connecting disc 14 on the inner side of the front clamping piece 1 from the mounting holes, and a first bolt 8 is in threaded connection with the position, located in the middle of the sliding grooves, of the rear clamping plate 5, the side surface of the rod part of the first bolt 8 is contacted with two parallel side surfaces of the linear guide groove 9, the head part of the first bolt is positioned at the rear side of the connecting frame 6, after the first bolt 8 is screwed downwards, the sliding of the connecting frame 6 in the sliding groove is blocked by the friction force between the head part of the first bolt 8 and the connecting frame 6, the linear guide groove 9 is arranged at the middle part of the connecting frame 6, the rod part of the first bolt 8 is positioned in the linear guide groove 9, the linear scale strip 7 is embedded at the rear side surface of the connecting frame 6 and at one side of the linear guide groove 9, the moving distance of the connecting frame 6 in the sliding groove can be known through the correspondence of the first bolt 8 and the linear scale strip 7, and the zero scale line of the linear scale strip 7 is level with the tangent plane at the side of the linear guide groove 9 connected to the connecting disc 14;
the rear side face of the rear clamping plate 5 is embedded with a circular scale strip 12, the angle of the rotating frame 11 can be conveniently determined through the cooperation of the circular scale strip 12 and the second bolt 10, the circular scale strip 12 is located on the outer side of the rotating frame 11, two arc-shaped guide grooves 13 are formed in the rotating frame 11 and located between the two slide grooves, the rear side face of the rear clamping plate 5 is in threaded connection with the two second bolts 10 distributed at 180 degrees, the rod parts of the second bolts 10 are located on the inner sides of the arc-shaped guide grooves 13, the side faces of the rod parts of the second bolts 10 are in contact with the inner side faces of the arc-shaped guide grooves 13, the head parts of the second bolts 10 are located on the rear side of the rotating frame 11, after the head parts of the second bolts 10 are screwed on the rotating frame 11, continuous rotation of the rotating frame 11 is blocked through friction force effect of the second bolts, and the connecting frame 6 and the connecting disc 14 are driven to rotate during rotation of the rotating frame 11.
The back side of the round scale bar 12 is level with the back side of the back splint 5, and the front side of the connecting frame 6 is level with the back side of the round scale bar 12.
The arc-shaped guide groove 13, the rotating frame 11, the front clamping piece 1, the circular scale bar 12 and the rear clamping plate 5 are all arranged coaxially.
The working principle is as follows: after the front clamping piece 1 and the rear clamping plate 5 are installed on the side wall of a broach inlet of a broaching machine, the three-jaw clamp is fixedly installed on the connecting disc 14, after the first bolt 8 is unscrewed, the connecting disc 14 and the three-jaw clamp can be driven to move along the diameter direction of the rotating frame 11 by pulling the connecting frame 6, the diameter of the connecting disc 14 is located at a fixed value, the radius of the connecting disc 14 is added to the corresponding scale of the first bolt 8 on the circular scale bar 12, namely the distance between the center of the connecting disc 14 and the axis of the first bolt 8, the offset of the connecting disc 14 in movement can be known by comparing the size of the corresponding scale of the first bolt 8 on the circular scale bar 12 with the size of the circular scale bar 12 corresponding to the two first bolts 8 when the corresponding to the same numerical value, the rotating frame 11 is matched for rotating within the range of the second bolt 10 and the arc-shaped guide groove 13, and the position of the axis of the connecting disc 14 in the rotating frame 11 can be adjusted.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (7)
1. A center distance adjusting device for a broaching machine, comprising: the broaching machine broach inlet port comprises a side wall, wherein a mounting port is formed in the side wall of the broaching machine broach inlet port, a front clamping piece (1) is arranged on the inner side of the mounting port, a connecting hole is formed in the side wall, located in the mounting port, of the front clamping piece (1), a rear clamping plate (5) is arranged on the front clamping piece (1), a screw rod (3) is fixedly connected to the front side surface of the rear clamping plate (5), and the screw rod (3) penetrates through the connecting hole;
the rear side surface of the rear clamping plate (5) is rotatably connected with a rotating frame (11), two sliding grooves which are distributed at 180 degrees are formed in the middle of the rotating frame (11), connecting frames (6) are connected in the two sliding grooves in a sliding mode, one end, facing each other, of each connecting frame (6) is fixedly connected with a connecting disc (14), a first bolt (8) is connected to the middle position of each sliding groove of the rear clamping plate (5) in a threaded mode, a linear guide groove (9) is formed in the middle of each connecting frame (6), the rod portion of each first bolt (8) is located in each linear guide groove (9), a linear scale bar (7) is embedded in the rear side surface of each connecting frame (6) and located on one side of each linear guide groove (9), and a zero scribing line of each linear scale bar (7) is level with a tangent plane where the linear guide groove (9) is connected to one side of each connecting disc (14);
the trailing flank of back splint (5) is embedded to have circular scale strip (12), circular scale strip (12) are located the outside of rotating turret (11), just be located and be provided with two arc guide ways (13) between two spouts on rotating turret (11), the trailing flank threaded connection of back splint (5) has two second bolts (10) that are 180 degrees distributions, the pole portion of second bolt (10) is located the inboard of arc guide way (13).
2. The center distance adjusting device for the broaching machine as recited in claim 1, wherein a receiving groove is provided on a front side surface of a portion of the front jaw (1) located on a front side of the mounting opening, the screw (3) is extended into the receiving groove, and a nut (2) is threadedly coupled to a side surface in the receiving groove.
3. The center distance adjusting device for the broaching machine as recited in claim 1, wherein the connecting plate (14) is penetrated at a middle portion thereof and is provided with a mounting hole at a side edge thereof.
4. Center distance adjusting device for a broaching machine according to claim 1, characterized in that the side of the shank of the first bolt (8) is in contact with the two parallel sides of the linear guide groove (9) and the head is located at the rear side of the connecting frame (6).
5. The center distance adjusting device for the broaching machine as recited in claim 1, wherein a rear side of the circular scale bar (12) is flush with a rear side of the rear jaw (5), and a front side of the connecting frame (6) is flush with a rear side of the circular scale bar (12).
6. The center-distance adjusting device for a broaching machine as recited in claim 1, wherein the side surface of the shank of the second bolt (10) is in contact with the inner side surface of the arc-shaped guide groove (13), and the head of the second bolt (10) is located at the rear side of the turret (11).
7. The center distance adjusting device for the broaching machine as recited in claim 1, wherein the arc-shaped guide groove (13), the rotating frame (11), the front clamping piece (1), the circular scale bar (12) and the rear clamping plate (5) are coaxially arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221891295.2U CN218135366U (en) | 2022-07-21 | 2022-07-21 | Center distance adjusting device for broaching machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221891295.2U CN218135366U (en) | 2022-07-21 | 2022-07-21 | Center distance adjusting device for broaching machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218135366U true CN218135366U (en) | 2022-12-27 |
Family
ID=84592874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221891295.2U Active CN218135366U (en) | 2022-07-21 | 2022-07-21 | Center distance adjusting device for broaching machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218135366U (en) |
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2022
- 2022-07-21 CN CN202221891295.2U patent/CN218135366U/en active Active
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