CN214109520U - Semi-automatic rocker arm drilling and reaming machine - Google Patents
Semi-automatic rocker arm drilling and reaming machine Download PDFInfo
- Publication number
- CN214109520U CN214109520U CN202120134623.3U CN202120134623U CN214109520U CN 214109520 U CN214109520 U CN 214109520U CN 202120134623 U CN202120134623 U CN 202120134623U CN 214109520 U CN214109520 U CN 214109520U
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- China
- Prior art keywords
- rocker arm
- guide rail
- output shaft
- power output
- plate
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Abstract
The utility model discloses a semi-automatic rocker arm drilling and reaming machine, which comprises a drilling and reaming host machine and a rocker arm clamp, wherein the drilling and reaming host machine comprises a rack and a gearbox, the gearbox comprises a first power output shaft and a second power output shaft, the end part of the first power output shaft is provided with a first chuck for connecting a drill rod, and the end part of the second power output shaft is provided with a second chuck for connecting a reamer; the rocker arm clamp comprises a pedestal, a rectangular limiting guide rail and a piece pushing groove-shaped strip, and further comprises a piece pressing mechanism and a piece ejecting mechanism. The utility model discloses semi-automatic rocking arm bores reaming machine, it can be simultaneously to the rocking arm drill and ream, has solved the drilling and the reaming process of rocking arm side cross bore among the prior art and has accomplished the technical problem that the production efficiency is low that exists on the lathe of difference. And the utility model discloses semi-automatic rocking arm bores reaming machine, the loading and unloading of its rocking arm are simple and convenient, efficient.
Description
Technical Field
The utility model relates to a general gasoline engine makes technical field, in particular to material feeding unit of rocking arm in drilling processing on general gasoline engine.
Background
As shown in the attached figure 1 in the specification, the cross section of the rocker arm on the general engine is groove-shaped, transverse holes 1 are formed in two sides of the groove, the rocker arm is sleeved on a rocker arm shaft through the transverse holes, a hemispherical pit 2 matched with a steel ball at the end of a push rod is arranged at one end of the bottom of the rocker arm, a through hole 3 used for being connected with a valve clearance adjusting screw is formed in the other end of the bottom of the rocker arm, and a circular boss 4 protruding out of the bottom of the groove is arranged at one end, located on the inner side of the rocker arm groove, of the through hole 3.
In the prior art, the transverse holes on two sides of the rocker arm are firstly drilled and then reamed, and the drilling and reaming are finished on different equipment, so that the working procedure is longer and the production efficiency is lower.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a semi-automatic rocker arm bores reaming machine to solve and accomplish on the equipment of difference, the technical problem that production efficiency is low at the drilling and the reaming of the cross bore of prior art rocker arm both sides respectively.
The utility model discloses a semi-automatic rocker arm drilling and reaming machine, including drilling and reaming host computer and rocker arm anchor clamps, the drilling and reaming host computer includes the frame, sets up the straight guide rail in the frame, sets up slide on the straight guide rail, sets up the driving plate on the slide bottom surface perpendicularly, with straight guide rail parallel arrangement and with the lead screw of driving plate threaded connection, set up the rotatory first motor of driving lead screw in the frame, set up the second motor on the slide top surface and set up the gearbox on the slide top surface, the gearbox includes the power input shaft who is connected with the pivot of second motor, the first power output shaft that is connected with power input shaft through change gear and the second power output shaft that is connected with power input shaft through change gear, the central line of first power output shaft and second power output shaft is in same horizontal plane, the tip of first power output shaft is provided with the first chuck that is used for connecting the drilling rod, a second chuck for connecting a reamer is arranged at the end part of the second power output shaft;
the rocker arm clamp comprises a pedestal, a first support arranged on the pedestal, a rectangular limit guide rail arranged on the first support and in sliding fit with a groove surface of a rocker arm, support plates positioned at two sides of the rectangular limit guide rail, a limit plate arranged on the support plates and used for limiting the top of the rocker arm moving along the rectangular limit guide rail, and a push piece groove-shaped strip used for pushing the rocker arm to move along the rectangular limit guide rail, wherein a guide chute in sliding fit with the rectangular limit guide rail is arranged on the push piece groove-shaped strip, the rocker arm clamp further comprises a first air cylinder arranged on the pedestal and used for driving the push piece groove-shaped strip to slide on the rectangular limit guide rail in a reciprocating manner, the rectangular limit guide rail is vertical to a first power output shaft and a second power output shaft, a first positioning hole matched with a circular boss on a drilled rocker arm and a second positioning hole matched with the circular boss on the hinged rocker arm are arranged on the rectangular limit guide rail, a transverse hole for a drill rod and a reamer to pass through is formed in the side face of the supporting plate;
the rocker arm clamp further comprises a pressing mechanism, wherein the pressing mechanism comprises a first pressing plate used for pressing the drilled rocker arm, a second pressing plate used for pressing the reamed rocker arm, a first connecting plate connected with the first pressing plate and the second pressing plate, a second support arranged on the pedestal, a second air cylinder vertically arranged on the second support and connected with the first connecting plate at the end part of a piston rod, and a guide column arranged on the second support and in up-and-down sliding fit with the first connecting plate;
the rocker arm clamp further comprises a jacking mechanism, wherein the jacking mechanism comprises a first ejector rod in vertical sliding fit with the first positioning hole, a second ejector rod in vertical sliding fit with the second positioning hole, a second connecting plate connected with the lower ends of the first ejector rod and the second ejector rod, and a third cylinder which is vertically arranged on the pedestal and is connected with the second connecting plate at the end part of the piston rod.
Furthermore, pre-pressing elastic pads in contact with the tops of the rocker arms are arranged on the first pressing plate and the second pressing plate.
Further, a material receiving chute is arranged on the side face of the pedestal.
The utility model has the advantages that:
the utility model discloses semi-automatic rocking arm bores reaming machine, it can be simultaneously to the rocking arm drill and ream, has solved the drilling and the reaming process of rocking arm side cross bore among the prior art and has accomplished the technical problem that the production efficiency is low that exists on the lathe of difference. And the utility model discloses semi-automatic rocking arm bores reaming machine, the loading and unloading of its rocking arm are simple and convenient, efficient.
Drawings
FIG. 1 is a schematic perspective view of a rocker arm;
FIG. 2 is a schematic perspective view of a semi-automatic rocker arm drilling and reaming machine;
FIG. 3 is a schematic cross-sectional view of a semi-automatic rocker arm drilling and reaming machine;
FIG. 4 is a schematic structural view of the ejector mechanism;
FIG. 5 is an enlarged view of portion P of FIG. 3;
fig. 6 is a schematic perspective view of a push-piece channel strip.
Detailed Description
The invention is further described with reference to the following figures and examples.
As shown in the figure, the semi-automatic rocker arm drilling and reaming machine in the embodiment comprises a drilling and reaming host and a rocker arm clamp. The drilling and reaming host comprises a frame 5, a straight guide rail 6 arranged on the frame, a sliding plate 7 arranged on the straight guide rail, a transmission plate 8 vertically arranged on the bottom surface of the sliding plate, a screw rod 9 arranged in parallel with the straight guide rail and in threaded connection with the transmission plate, a first motor 10 arranged on the frame and driving the screw rod to rotate, a second motor 11 arranged on the top surface of the sliding plate and a gearbox 12 arranged on the top surface of the sliding plate, the gearbox comprises a power input shaft connected with a rotating shaft of a second motor, a first power output shaft connected with the power input shaft through a speed change gear and a second power output shaft connected with the power input shaft through a speed change gear, the center lines of the first power output shaft and the second power output shaft are located on the same horizontal plane, a first chuck 13 used for connecting a drill rod is arranged at the end part of the first power output shaft, and a second chuck 14 used for connecting a reamer is arranged at the end part of the second power output shaft.
The rocker arm clamp comprises a pedestal 15, a first support 16 arranged on the pedestal, a rectangular limit guide rail 17 arranged on the first support and in sliding fit with a groove surface of a rocker arm, support plates 18 positioned on two sides of the rectangular limit guide rail, a limit plate 19 arranged on the support plates and used for limiting the top of the rocker arm moving along the rectangular limit guide rail, and a push piece groove-shaped strip 20 used for pushing the rocker arm to move along the rectangular limit guide rail, wherein a guide sliding groove in sliding fit with the rectangular limit guide rail is arranged on the push piece groove-shaped strip, the rocker arm clamp further comprises a first air cylinder 21 arranged on the pedestal and used for driving the push piece groove-shaped strip to slide on the rectangular limit guide rail in a reciprocating manner, the rectangular limit guide rail is vertical to a first power output shaft and a second power output shaft, a first positioning hole 22 matched with a circular boss on the rocker arm to be drilled and a second positioning hole 23 matched with the circular boss on the rocker arm to be reamed are arranged on the rectangular limit guide rail, and the side surface of the supporting plate is provided with a transverse hole 24 for the drill rod and the reamer to pass through.
The rocker arm clamp further comprises a pressing mechanism, wherein the pressing mechanism comprises a first pressing plate 25 used for pressing the drilled rocker arm, a second pressing plate 26 used for pressing the drilled rocker arm, a first connecting plate 27 connected with the first pressing plate and the second pressing plate, a second support 28 arranged on the pedestal, a second air cylinder 29 vertically arranged on the second support and connected with the first connecting plate at the end part of a piston rod, and a guide column 30 arranged on the second support and in up-and-down sliding fit with the first connecting plate.
The rocker arm clamp further comprises a jacking piece mechanism, wherein the jacking piece mechanism comprises a first ejector rod 31 in vertical sliding fit with the first positioning hole, a second ejector rod 32 in vertical sliding fit with the second positioning hole, a second connecting plate 33 connected with the lower ends of the first ejector rod and the second ejector rod, and a third cylinder 34 which is vertically arranged on the pedestal and is connected with the second connecting plate at the end part of the piston rod.
In the semi-automatic rocker arm drilling and reaming machine in the embodiment, the rocker arm to be machined is manually placed at the feeding end of the rectangular limiting guide rail 17, the first cylinder drives the push piece groove-shaped strip to push the rocker arm to be drilled to the drilling station, and the drilled rocker arm is pushed to the front reaming hole position. Limiting plate 19 can avoid the rocking arm to rise upwards at the rocking arm along rectangle limit guide removal in-process, and the third cylinder pulling second even board makes first ejector pin and second ejector pin move down at the rocking arm along rectangle limit guide removal in-process to make the upper portion of first locating hole and second locating hole vacate, make the rocking arm can get into first locating hole and second locating hole automatically when moving to the machining station ring shape boss 4 on it, can be with being processed the rocking arm accurate positioning through rectangle limit guide, first locating hole and second locating hole like this, then the second cylinder drive first clamp plate and second clamp plate move down and compress tightly fixedly by the processing rocking arm. After the rocker arm is compressed and fixed, the first motor and the second motor work to drive the drill rod and the reamer to simultaneously process the cross hole on the side face of the rocker arm. After drilling and reaming, the second cylinder pushes the first pressing plate and the second pressing plate to rise, then the third cylinder pushes the first ejector rod and the second ejector rod to withdraw the circular boss 4 of the pressing plate from the positioning hole, and the first cylinder can push the rocker arm to be machined to move forwards again.
According to the semi-automatic rocker arm drilling and reaming machine in the embodiment, the rocker arm can be drilled and reamed simultaneously, and the technical problem that in the prior art, the drilling and reaming processes of the lateral cross hole of the rocker arm are finished on different machine tools, and the production efficiency is low is solved. And the utility model discloses semi-automatic rocking arm bores reaming machine, the loading and unloading of its rocking arm are simple and convenient, efficient.
As a modification of the above embodiment, the first and second pressing plates are provided with pre-pressing elastic pads 35 contacting the tops of the rocker arms. In the process that the first cylinder pushes the rocker arm to be machined to move forwards, the pre-pressing elastic pad can apply certain pre-pressing force to the rocker arm moving along the rectangular positioning guide rail, and therefore the circular-ring-shaped boss 4 on the rocker arm can rapidly enter the first positioning hole and the second positioning hole after reaching the corresponding position.
As an improvement to the above embodiment, the side of the pedestal is provided with a receiving chute 36, and the receiving chute can transfer the rocker arm discharged from the discharge end of the rectangular positioning guide rail to a receiving frame 37 below the receiving chute, so as to realize automatic discharging and receiving.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (3)
1. Semi-automatic rocking arm bores reaming machine, including boring reaming host computer and rocking arm anchor clamps, its characterized in that: the drilling and reaming host comprises a frame, a straight guide rail arranged on the frame, a sliding plate arranged on the straight guide rail, a transmission plate vertically arranged on the bottom surface of the sliding plate, a screw rod arranged in parallel with the straight guide rail and in threaded connection with the transmission plate, a first motor arranged on the frame and driving the screw rod to rotate, a second motor arranged on the top surface of the sliding plate and a gearbox arranged on the top surface of the sliding plate, the gearbox comprises a power input shaft connected with a rotating shaft of a second motor, a first power output shaft connected with the power input shaft through a speed change gear and a second power output shaft connected with the power input shaft through a speed change gear, the center lines of the first power output shaft and the second power output shaft are positioned on the same horizontal plane, a first chuck used for connecting a drill rod is arranged at the end part of the first power output shaft, and a second chuck used for connecting a reamer is arranged at the end part of the second power output shaft;
the rocker arm clamp comprises a pedestal, a first support arranged on the pedestal, a rectangular limit guide rail arranged on the first support and in sliding fit with a groove surface of a rocker arm, support plates positioned at two sides of the rectangular limit guide rail, a limit plate arranged on the support plates and used for limiting the top of the rocker arm moving along the rectangular limit guide rail, and a push piece groove-shaped strip used for pushing the rocker arm to move along the rectangular limit guide rail, wherein a guide chute in sliding fit with the rectangular limit guide rail is arranged on the push piece groove-shaped strip, the rocker arm clamp further comprises a first air cylinder arranged on the pedestal and used for driving the push piece groove-shaped strip to slide on the rectangular limit guide rail in a reciprocating manner, the rectangular limit guide rail is vertical to a first power output shaft and a second power output shaft, a first positioning hole matched with a circular boss on a drilled rocker arm and a second positioning hole matched with the circular boss on the hinged rocker arm are arranged on the rectangular limit guide rail, a transverse hole for a drill rod and a reamer to pass through is formed in the side face of the supporting plate;
the rocker arm clamp further comprises a pressing mechanism, wherein the pressing mechanism comprises a first pressing plate used for pressing the drilled rocker arm, a second pressing plate used for pressing the reamed rocker arm, a first connecting plate connected with the first pressing plate and the second pressing plate, a second support arranged on the pedestal, a second air cylinder vertically arranged on the second support and connected with the first connecting plate at the end part of a piston rod, and a guide column arranged on the second support and in up-and-down sliding fit with the first connecting plate;
the rocker arm clamp further comprises a jacking mechanism, wherein the jacking mechanism comprises a first ejector rod in vertical sliding fit with the first positioning hole, a second ejector rod in vertical sliding fit with the second positioning hole, a second connecting plate connected with the lower ends of the first ejector rod and the second ejector rod, and a third cylinder which is vertically arranged on the pedestal and is connected with the second connecting plate at the end part of the piston rod.
2. The semi-automatic rocker arm drilling and reaming machine of claim 1, characterized in that: and pre-pressing elastic pads in contact with the tops of the rocker arms are arranged on the first pressing plate and the second pressing plate.
3. The semi-automatic rocker arm drilling and reaming machine of claim 1, characterized in that: the side of the pedestal is provided with a material receiving chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120134623.3U CN214109520U (en) | 2021-01-19 | 2021-01-19 | Semi-automatic rocker arm drilling and reaming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120134623.3U CN214109520U (en) | 2021-01-19 | 2021-01-19 | Semi-automatic rocker arm drilling and reaming machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214109520U true CN214109520U (en) | 2021-09-03 |
Family
ID=77495457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120134623.3U Expired - Fee Related CN214109520U (en) | 2021-01-19 | 2021-01-19 | Semi-automatic rocker arm drilling and reaming machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214109520U (en) |
-
2021
- 2021-01-19 CN CN202120134623.3U patent/CN214109520U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210903 Termination date: 20220119 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |