CN110883523B - Camshaft gear mounting device - Google Patents
Camshaft gear mounting device Download PDFInfo
- Publication number
- CN110883523B CN110883523B CN201911349445.XA CN201911349445A CN110883523B CN 110883523 B CN110883523 B CN 110883523B CN 201911349445 A CN201911349445 A CN 201911349445A CN 110883523 B CN110883523 B CN 110883523B
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- cam shaft
- gear
- camshaft
- pushing
- base
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- 230000000087 stabilizing effect Effects 0.000 claims abstract description 24
- 238000003825 pressing Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/10—Aligning parts to be fitted together
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
The invention discloses a camshaft gear mounting device, comprising: the cam shaft correction device comprises a base, a support for placing a cam shaft, a stabilizing mechanism for stabilizing the cam shaft, a pushing mechanism for installing a cam shaft gear and pushing the cam shaft gear to be installed on the cam shaft, and a correction mechanism for correcting the cam shaft and correcting the cam shaft gear installed on the pushing mechanism so that a locating pin on the cam shaft and a gear pin groove on the cam shaft gear are opposite. The camshaft gear mounting device can automatically and stably press-fit the camshaft gear onto the camshaft, so that the gear end face and the convex surface can be guaranteed to be attached, the assembly quality is guaranteed, the assembly efficiency can be improved, the labor intensity is improved, and the reworking probability is reduced.
Description
Technical Field
The invention relates to the technical field of camshafts, in particular to a camshaft gear mounting device.
Background
The camshaft is a driving mechanism of an engine, is a driving mechanism for pushing the valve to open and close, and the operation power of the camshaft is mainly transmitted by virtue of the power of the crankshaft, generally transmitted through a gear pair, a camshaft gear carries a transmission part of the power of the camshaft, and the camshaft gear is heated and sleeved to the journal of the camshaft, so that the end face of the gear is completely attached to the convex surface during installation, and tilting is forbidden.
The existing gear installation tool is characterized in that a gear is placed on the tool and is matched with a copper hammer to be knocked, the heated gear is assembled on a cam shaft, the gear is easy to press in the mode, deep press fitting is not in place, meanwhile, labor intensity is high, and production efficiency is low.
In summary, how to improve the accuracy of camshaft and gear installation, reduce labor intensity, and improve production efficiency is a problem to be solved by those skilled in the art.
Disclosure of Invention
Accordingly, the present invention is directed to a camshaft gear mounting device, which can accurately mount a camshaft gear on a camshaft, and has low labor intensity and high production efficiency.
In order to achieve the above object, the present invention provides the following technical solutions:
a camshaft gear mounting device, comprising: the cam shaft fixing device comprises a base, a support for placing a cam shaft, a stabilizing mechanism for stabilizing the cam shaft, a pushing mechanism for installing a cam shaft gear and pushing the cam shaft gear to be installed on the cam shaft, and a correcting mechanism for correcting the cam shaft and correcting the cam shaft gear installed on the pushing mechanism so that a locating pin on the cam shaft and a gear pin groove on the cam shaft gear are opposite, wherein the support, the stabilizing mechanism, the pushing mechanism and the correcting mechanism are all arranged on the base.
Preferably, the support comprises a fixed support for supporting one end of the cam shaft close to the locating pin and a movable support for supporting the other end of the cam shaft far away from the locating pin, wherein the fixed support is fixedly arranged on the base, and the movable support is movably arranged on the base.
Preferably, the movable support is connected to an adjusting push rod for moving the movable support to adjust the distance between the movable support and the fixed support, and the adjusting push rod is mounted on the base.
Preferably, the pushing mechanism comprises a hydraulic cylinder and a gear pushing disc for installing a cam shaft gear, the gear pushing disc is connected to the end part of a cylinder rod of the hydraulic cylinder through a connecting rod, and a cylinder barrel of the hydraulic cylinder is fixedly installed on the base.
Preferably, the gear pushing disc is provided with a positioning protrusion for positioning a gear pin groove of the cam shaft gear.
Preferably, the stabilizing mechanism is a compression bar for compressing the cam gear on the bracket, and the compression bar is movably arranged on the base.
Preferably, the correcting mechanism comprises a bottom plate and a vertical plate, and the vertical plate is movably provided with a cam shaft gear used for correcting the cam shaft and arranged on the pushing mechanism, so that a positioning pin on the cam shaft and a gear pin groove on the cam shaft gear are opposite to the clamping groove aligning mechanism.
Preferably, a vertical sliding rail is arranged on the vertical plate, and the clamping groove aligning mechanism can be arranged on the sliding rail in a sliding manner along the sliding rail.
The invention provides a camshaft gear mounting device, comprising: the cam shaft correction device comprises a base, a support for placing a cam shaft, a stabilizing mechanism for stabilizing the cam shaft, a pushing mechanism for installing a cam shaft gear and pushing the cam shaft gear to be installed on the cam shaft, and a correction mechanism for correcting the cam shaft and correcting the cam shaft gear installed on the pushing mechanism so that a locating pin on the cam shaft and a gear pin groove on the cam shaft gear are opposite.
When the cam shaft gear is arranged on the cam shaft, the cam shaft is firstly placed on the support, and the cam shaft is placed stably by the stabilizing mechanism, so that the cam shaft cannot rotate easily. The cam shaft gear is arranged on the pushing mechanism, the cam shaft gear and the cam shaft are corrected by the correction mechanism, so that a locating pin on the cam shaft is opposite to a gear pin groove on the cam shaft gear, and then the cam shaft gear is axially pushed and arranged on the cam shaft by the pushing mechanism until the end face of the cam shaft gear is attached to the convex surface, and then the installation can be completed.
The camshaft gear mounting device can automatically and stably press-fit the camshaft gear onto the camshaft, so that the gear end face and the convex surface can be guaranteed to be attached, the assembly quality is guaranteed, the assembly efficiency can be improved, the labor intensity is improved, and the reworking probability is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a camshaft gear mounting device provided by the present invention;
FIG. 2 is an enlarged view of a portion of a camshaft gear mount provided by the present invention;
fig. 3 is a schematic diagram of a gear pushing disc provided by the invention.
In fig. 1-3:
1-hydraulic cylinder, 2-cam gear, 3-depression bar, 4-fixed bolster, 5-camshaft, 6-movable support, 7-adjustment push rod, 8-gear pushing disc, 9-alignment pin, 10-diaphragm, 11-riser, 12-draw-in groove, 13 location arch.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention has the core of providing a camshaft gear mounting device, the camshaft gear can be accurately mounted on a camshaft by using the camshaft gear mounting device, the labor intensity is low, and the production efficiency is high.
Referring to fig. 1 to 3, fig. 1 is a schematic diagram of a camshaft gear mounting device provided by the present invention; FIG. 2 is an enlarged view of a portion of a camshaft gear mount provided by the present invention; fig. 3 is a schematic diagram of a gear pushing disc provided by the invention.
A camshaft gear mounting device, comprising: the cam shaft device comprises a base, a support for placing the cam shaft 5, a stabilizing mechanism for stabilizing the cam shaft 5, a pushing mechanism for installing the cam shaft gear 2 and pushing the cam shaft gear 2 to be installed on the cam shaft 5, a correcting mechanism for correcting the cam shaft 5 and correcting the cam shaft gear 2 installed on the pushing mechanism so that a locating pin on the cam shaft 5 and a gear pin groove on the cam shaft gear 2 are opposite, and the support, the stabilizing mechanism, the pushing mechanism and the correcting mechanism are all arranged on the base.
It should be noted that, the support is used for placing camshaft 5, and the support can be integral type structure, also can be split type structure, because camshaft 5 length is longer, for steadily placing camshaft 5, when setting up the support of integral type structure, can set up the longer support of length and support more positions of camshaft 5, promote stability, when setting up split type structure, set up the support into a plurality of little supports, little support supports support in the different positions of camshaft 5 respectively to promote stability.
The stabilizing mechanism is used for stabilizing the cam shaft 5, and can adopt modes such as clamping and pressing, and the cam shaft 5 after stabilizing can rotate under the condition of being subjected to certain external force so as to adjust the position of the locating pin on the cam shaft 5, but the cam shaft 5 can not rotate easily, and the magnitude of force required by rotation of the cam shaft 5 after stabilizing can be set according to the actual application condition so as to set the magnitude of stabilizing force of the stabilizing mechanism on the cam shaft 5.
The pushing mechanism has the capability of reciprocating motion so as to drive the camshaft gear 2 to be mounted on the camshaft 5, and because the camshaft gear 2 and the camshaft 5 are in interference fit, the pushing force of the pushing mechanism needs to reach the mounting force of the camshaft gear 2, and the pushing mechanism pushes the camshaft gear 2 to move along the axial direction of the camshaft gear 2 so as to be stably and rapidly mounted.
When the cam shaft gear 2 is installed on the cam shaft 5, the cam shaft 5 is placed on the support, and the placement of the cam shaft 5 is stabilized by the stabilizing mechanism, so that the cam shaft 5 cannot easily rotate. The camshaft gear 2 is arranged on the pushing mechanism, the camshaft gear 2 and the camshaft 5 are corrected by using the correcting mechanism, so that a locating pin on the camshaft 5 is opposite to a gear pin groove on the camshaft gear 2, and then the camshaft gear 2 is axially pushed and arranged on the camshaft 5 by using the pushing mechanism until the end face of the camshaft gear 2 is attached to the convex surface, and then the installation can be completed.
The camshaft gear mounting device provided by the application can automatically and stably press-fit the camshaft gear 2 onto the camshaft 5, so that the gear end face and the convex surface can be guaranteed to be attached, the assembly quality is guaranteed, the assembly efficiency can be improved, the labor intensity is improved, and the reworking probability is reduced.
On the basis of the above embodiment, as a further preferable mode, the bracket includes a fixed bracket 4 for supporting one end of the cam shaft 5 near the positioning pin and a movable bracket 6 for supporting the other end of the cam shaft 5 away from the positioning pin, the fixed bracket 4 is fixedly mounted on the base, and the movable bracket 6 is movably mounted on the base.
It should be noted that, the fixed support 4 and the movable support 6 support the camshaft 5 at the same time, the fixed support 4 can be mounted on the base by welding, etc., the movable support 6 can be movably arranged on the base to adjust the position between the movable support 6 and the fixed support 4, so as to adapt to the camshafts 5 with various lengths, and to mount the camshaft gears 2 on the camshafts 5 with various lengths. The application range is wide, and the cost can be saved.
Further preferably, on the basis of the above embodiment, the movable bracket 6 is connected to an adjusting push rod 7 for moving the movable bracket 6 to adjust the distance between the movable bracket 6 and the fixed bracket 4, and the adjusting push rod 7 is mounted on the base.
It should be noted that, in this embodiment, the fixed support 4 may be disposed close to the pushing mechanism, and the movable support 6 may be disposed far away from the pushing mechanism, so that the camshaft gear 2 may be mounted on the camshafts 5 with various lengths without increasing the stroke of the pushing mechanism. The adjusting push rod 7 pushes the moving direction of the movable support 6 to face the fixed support 4, the fixed support 4 and the movable support 6 are opposite to each other, the distance between the movable support 6 and the fixed support 4 can be adjusted by the shortest moving stroke of the movable support 6, and the aim of rapid adjustment can be achieved, so that the installation efficiency is improved.
On the basis of the above embodiment, as a further preferable mode, the pushing mechanism includes the hydraulic cylinder 1 and the gear pushing disc 8 for mounting the cam gear 2, the gear pushing disc 8 is connected to the cylinder rod end of the hydraulic cylinder 1 through a connecting rod, and the cylinder tube of the hydraulic cylinder 1 is fixedly mounted on the base.
It should be noted that, the device can be simplified by installing the cylinder barrel of the hydraulic cylinder 1 on the base, the gear pushing disc 8 comprises a cylindrical disc body, the front end center of the disc body is provided with an installation part for installing the cam shaft gear 2, the rear end center is provided with a connection part for connecting a connecting rod, and the connecting rod is coaxially connected with the cylinder rod of the hydraulic cylinder 1 and the gear pushing disc 8.
Because the transmission direction of the hydraulic cylinder 1 is linear reciprocating transmission, the camshaft gear 2 can be stably driven to axially move, so that the heated camshaft gear 2 can be stably pushed to be pressed into the camshaft 5, the transmission of the hydraulic cylinder 1 is stable, the stroke can be accurately controlled, the pushing force can be met, and the installation of the camshaft gear 2 is low in cost.
Further preferably, on the basis of the above-described embodiment, the gear pushing plate 8 is provided with a positioning projection 13 for positioning the gear pin groove of the cam shaft gear 2.
When the cam gear 2 is mounted, the positioning protrusion 13 is arranged, the gear pin groove is aligned with the positioning protrusion 13, the central hole of the cam gear 2 is aligned with the mounting part on the gear push disc 8 for mounting, the positioning protrusion 13 is arranged on the periphery of the mounting part, and the mounting part is a cylindrical protrusion and is coaxially arranged with the disc body. The positioning protrusion 13 is provided to prevent the cam gear 2 from being easily rotated when it is mounted on the gear push plate 8, so as to position the gear pin slot.
On the basis of the above embodiment, as a further preferred feature, the stabilizing mechanism is a pressing rod 3 for pressing the cam gear 2 on the bracket, and the pressing rod 3 is movably disposed on the base. It should be noted that, be equipped with the handle on the depression bar 3, can compress tightly in camshaft 5 under external force drive, the clamping force of depression bar 3 can be adjusted according to actual conditions, and depression bar 3 is convenient for operate, can stabilize camshaft 5 fast.
On the basis of the above embodiment, as a further preferable mode, the correcting mechanism includes a base plate and a vertical plate 11, the vertical plate 11 is provided with a cam gear 2 for correcting the cam shaft 5 and the cam gear 2 mounted on the correcting pushing mechanism so that a positioning pin on the cam shaft 5 and a gear pin groove on the cam gear 2 are opposite to the clamping groove aligning mechanism, and the base plate is movably arranged on the base.
The slot alignment mechanism includes a cross plate 10, and an alignment pin 9 and a slot 12 disposed below the cross plate 10, wherein the alignment pin 9 is inserted into a gear pin slot, the pin slot is used for inserting a positioning pin, and the pin slot and the alignment pin 9 are disposed side by side on the same straight line.
When correction is carried out, the bottom plate is moved to a position to be corrected, the clamping groove aligning mechanism is aligned with the positioning pin and the gear pin groove, the clamping groove aligning mechanism is vertically moved downwards, the aligning pin 9 on the clamping groove aligning mechanism is inserted into the gear pin groove, the clamping groove 12 on the clamping groove aligning mechanism is aligned with the positioning pin so that the positioning pin is inserted into the clamping groove 12, the clamping groove 12 and the aligning pin 9 are arranged on the same straight line side by side, and therefore the positioning pin and the gear pin groove are positioned on the same straight line so as to align the cam shaft gear 2 and the cam shaft 5, and then the installation is carried out.
The correction mechanism provided by the embodiment has the advantages of simple structure and convenience in operation, and can enable the gear pin groove to be opposite to the positioning pin rapidly, so that the installation efficiency can be improved.
Further preferably, on the basis of the above embodiment, the vertical plate 11 is provided with a vertical sliding rail, and the slot alignment mechanism is slidably disposed on the sliding rail along the sliding rail.
It should be noted that, by slidably mounting the slot alignment mechanism with the slide rail, friction between the slot alignment mechanism and the riser 11 can be reduced, and the movement direction of the slot alignment mechanism can be restricted so as to quickly align the gear pin slot and the positioning pin.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The camshaft gear mounting device provided by the invention is described in detail above. The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present invention and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.
Claims (3)
1. A camshaft gear mounting device, comprising: the device comprises a base, a bracket for placing a cam shaft (5), a stabilizing mechanism for stabilizing the cam shaft (5), a pushing mechanism for installing a cam shaft gear (2) and pushing the cam shaft gear (2) to be installed on the cam shaft (5), a correcting mechanism for correcting the cam shaft (5) and correcting the cam shaft gear (2) installed on the pushing mechanism so that a locating pin on the cam shaft (5) is opposite to a gear pin groove on the cam shaft gear (2), wherein the bracket, the stabilizing mechanism, the pushing mechanism and the correcting mechanism are all arranged on the base;
the support comprises a fixed support (4) used for supporting one end of the cam shaft (5) close to the locating pin and a movable support (6) used for supporting the other end of the cam shaft (5) far away from the locating pin, the fixed support (4) is fixedly arranged on the base, and the movable support (6) is movably arranged on the base;
the pushing mechanism comprises a hydraulic cylinder (1) and a gear pushing disc (8) for mounting a cam shaft gear (2), the gear pushing disc (8) is connected to the end part of a cylinder rod of the hydraulic cylinder (1) through a connecting rod, and a cylinder barrel of the hydraulic cylinder (1) is fixedly mounted on the base;
a positioning protrusion (13) for positioning a gear pin groove of the cam shaft gear (2) is arranged on the gear pushing disc (8);
the stabilizing mechanism is a pressing rod (3) for pressing the cam shaft gear (2) on the bracket, and the pressing rod (3) is movably arranged on the base;
the correcting mechanism comprises a bottom plate and a vertical plate (11), wherein the vertical plate (11) can move along the vertical direction and is provided with a cam shaft gear (2) used for correcting the cam shaft (5) and arranged on the pushing mechanism, so that a locating pin on the cam shaft (5) and a gear pin groove on the cam shaft gear (2) are opposite to the clamping groove aligning mechanism.
2. Camshaft gear mounting device according to claim 1, characterized in that the movable bracket (6) is connected to an adjusting push rod (7) for moving the movable bracket (6) to adjust the distance between the movable bracket (6) and the fixed bracket (4), the adjusting push rod (7) being mounted on the base.
3. The camshaft gear mounting device according to claim 2, wherein the riser (11) is provided with a vertical slide rail, and the slot alignment mechanism is slidably disposed on the slide rail along the slide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911349445.XA CN110883523B (en) | 2019-12-24 | 2019-12-24 | Camshaft gear mounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911349445.XA CN110883523B (en) | 2019-12-24 | 2019-12-24 | Camshaft gear mounting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110883523A CN110883523A (en) | 2020-03-17 |
| CN110883523B true CN110883523B (en) | 2024-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911349445.XA Active CN110883523B (en) | 2019-12-24 | 2019-12-24 | Camshaft gear mounting device |
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| Country | Link |
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| CN (1) | CN110883523B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111687784B (en) * | 2020-07-06 | 2024-04-19 | 广西玉柴机器股份有限公司 | Cam shaft gear and signal disc phase positioning device and method |
| CN111775107B (en) * | 2020-07-06 | 2024-04-16 | 广西玉柴机器股份有限公司 | Press-fitting tool and press-fitting method for cam shaft gear and signal disc |
| CN113334048B (en) * | 2021-06-18 | 2024-04-09 | 广西玉柴机器股份有限公司 | Camshaft gear and idler gear assembly fixture in right time |
| CN115255888B (en) * | 2022-07-29 | 2023-12-05 | 湖北天舒感应科技股份有限公司 | Crankshaft gear ring press-fitting machine and press-fitting method |
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| CN2880357Y (en) * | 2006-01-26 | 2007-03-21 | 重庆长安汽车股份有限公司 | Device for pressing camshaft helical gear |
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| Publication number | Publication date |
|---|---|
| CN110883523A (en) | 2020-03-17 |
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