CN213006687U - Crankshaft and gear assembling device for punch press - Google Patents
Crankshaft and gear assembling device for punch press Download PDFInfo
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- CN213006687U CN213006687U CN202020660582.7U CN202020660582U CN213006687U CN 213006687 U CN213006687 U CN 213006687U CN 202020660582 U CN202020660582 U CN 202020660582U CN 213006687 U CN213006687 U CN 213006687U
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- oil groove
- crankshaft
- straight shaft
- radial oil
- punch press
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Abstract
The utility model discloses a crankshaft and gear assembly device for a punch press, which belongs to the technical field of punch press equipment and comprises a crankshaft, a gear and a circular end plate, wherein the end part of the crankshaft is fixedly connected with a straight shaft, the center of a hub of the gear is provided with a through hole, the through hole is pressed into the straight shaft and is in interference fit with the straight shaft, the straight shaft is provided with a first radial oil groove and a second radial oil groove, the first radial oil groove and the second radial oil groove are annularly arranged on the outer wall of the straight shaft, the straight shaft is provided with an axial oil groove, one end of the axial oil groove is communicated with the first radial oil groove, the other end of the axial oil groove is communicated with the second radial oil groove, the end part of the straight shaft is provided with a pair of first threaded holes, the circular end plate is provided with a pair of second threaded holes, the hole diameters of the first threaded holes are the same as that of the second threaded holes, the circular end plate is, the bearing capacity of the crankshaft is insufficient.
Description
Technical Field
The utility model relates to a punch press equipment technical field, more specifically say, relate to a bent axle and gear assembly quality for punch press.
Background
The power of the punch is provided by a motor, the motor transmits the power to a gear through an output shaft, and then the gear drives a crankshaft to rotate, so that the crankshaft finally drives a connecting rod and a sliding block to reciprocate along a guide rail. In the process that the gear drives the crankshaft to rotate, the gear and the crankshaft must have a certain matching relationship when the crankshaft is required to rotate. The conventional machine tool adopts the traditional key connection mode for matching between the gear and the crankshaft, and although the key connection mode has a simple structure and is convenient to assemble and disassemble, due to the existence of the key slot on the crankshaft, the strength of the crankshaft is weakened, the transmission capacity is reduced, the fatigue failure and stress concentration of the crankshaft are caused, the bearing capacity and the service life of the crankshaft are further influenced, and the reliability and the stability of the operation of a punch press are finally influenced. Considering the strength problem of the crankshaft in the transmission process of the gear and the crankshaft of the punch press, the stability problem of the operation of the punch press when bearing impact load and alternating load and the assembling and disassembling problem of the gear and the crankshaft piece, the conventional matching structure has the problems that the crankshaft is easy to fatigue and damage when bearing larger load, and the bearing capacity of the crankshaft is insufficient.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a crankshaft and gear assembling device for a punch press, which solves the problems that a crankshaft is easy to fatigue and damage when a conventional matching structure bears a large load, and the bearing capacity of the crankshaft is insufficient.
The purpose of the utility model can be realized by the following technical scheme:
the utility model provides a bent axle and gear assembly quality for punch press, includes bent axle, gear and circular end plate, bent axle tip fixedly connected with straight axle, the through-hole has been seted up at the wheel hub center of gear, the through-hole impress in the straight axle and with straight axle interference fit, first radial oil groove and the radial oil groove of second have been seted up on the straight axle, first radial oil groove and the radial oil groove of second are the outer wall of annular setting at the straight axle, axial oil groove has been seted up on the straight axle, the one end and the first radial oil groove intercommunication of axial oil groove, the other end and the radial oil groove intercommunication of second of axial oil groove, a pair of first screw hole has been seted up to the tip of straight axle, a pair of second screw hole has been seted up on the circular end plate, and the hole diameter of first screw hole and second screw hole is the same, circular end plate is through a pair of bolt.
As an optimal scheme of the utility model, the groove depth homogeneous phase of first radial oil groove, the radial oil groove of second and axial oil groove is the same.
As an optimal scheme of the utility model, the groove depth of first radial oil groove and the radial oil groove of second is the same, the groove depth of axial oil groove is greater than the groove depth of first radial oil groove.
As an optimal scheme of the utility model, the groove depth of first radial oil groove is less than the groove depth of axial oil groove, the groove depth of axial oil groove is less than the groove depth of the radial oil groove of second.
As an optimized scheme of the utility model, the axis inclination of axial oil groove and straight axle is 0 to 5 degrees.
As an optimized scheme of the utility model, the axis inclination of axial oil groove and straight axle is 3 degrees.
As an optimized proposal of the utility model, the crankshaft, the gear and the straight shaft are all made of nodular cast iron.
The utility model has the advantages that:
the utility model discloses a change bent axle and gear cooperation structure, solved conventional cooperation structure bent axle easy fatigue failure when bearing great load, the not enough problem of bearing capacity of bent axle to prolong its life, and have the characteristics that can bear impact load and alternating load.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the present crankshaft;
FIG. 3 is a schematic structural view of a straight shaft;
fig. 4 is a schematic structural view of a circular end plate.
The reference numbers in the figures illustrate:
1 crankshaft, 2 gears, 3 straight shafts, 4 first radial oil grooves, 5 second radial oil grooves, 6 axial oil grooves, 7 circular end plates, 8 first threaded holes and 9 second threaded holes
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in the figure, the crankshaft and gear assembling device for the punch press comprises a crankshaft 1, a gear 2 and a circular end plate 7, wherein the end part of the crankshaft 1 is fixedly connected with a straight shaft 3, the center of a hub of the gear 2 is provided with a through hole which is pressed into the straight shaft 3 and is in interference fit with the straight shaft 3, the straight shaft 3 is provided with a first radial oil groove 4 and a second radial oil groove 5, the first radial oil groove 4 and the second radial oil groove 5 are annularly arranged on the outer wall of the straight shaft 3, the straight shaft 3 is provided with an axial oil groove 6, one end of the axial oil groove 6 is communicated with the first radial oil groove 4, the other end of the axial oil groove 6 is communicated with the second radial oil groove 5, the end part of the straight shaft 3 is provided with a pair of first threaded holes 8, and the circular, and the diameter of the first threaded hole 8 is the same as that of the second threaded hole 9, and the circular end plate 7 is fixedly connected to the straight shaft 3 through a pair of bolts. This technical scheme has solved the easy fatigue failure of bent axle 1 when bearing great load of conventional cooperation structure through changing bent axle 1 and gear 2 cooperation structure, and the not enough problem of bent axle 1's bearing capacity to prolong its life, and have the characteristics that can bear impact load and alternating load.
The groove depths of the first radial oil groove 4, the second radial oil groove 5 and the axial oil groove 6 are all the same.
The groove depth of the first radial oil groove 4 is the same as that of the second radial oil groove 5, and the groove depth of the axial oil groove 6 is larger than that of the first radial oil groove 4.
The groove depth of the first radial oil groove 4 is smaller than that of the axial oil groove 6, and the groove depth of the axial oil groove 6 is smaller than that of the second radial oil groove 5.
The axial oil groove 6 and the straight shaft 3 are inclined at an angle of 0-5 degrees. The bearing capacity of the crankshaft is improved by the inclination angle of the axial oil groove and the axial line of the straight shaft being 0-5 degrees. The axial oil groove 6 and the axis of the straight shaft 3 are inclined at an angle of 3 degrees. The tilt angle is best 3 degrees as tested by those skilled in the art.
The crankshaft 1, the gear 2 and the straight shaft 3 are all made of nodular cast iron.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (7)
1. The utility model provides a bent axle and gear assembly quality for punch press which characterized in that: the connecting structure comprises a crankshaft (1), a gear (2) and a circular end plate (7), wherein the end part of the crankshaft (1) is fixedly connected with a straight shaft (3), a through hole is formed in the center of a wheel hub of the gear (2), the through hole is pressed into the straight shaft (3) and is in interference fit with the straight shaft (3), a first radial oil groove (4) and a second radial oil groove (5) are formed in the straight shaft (3), the first radial oil groove (4) and the second radial oil groove (5) are annularly arranged on the outer wall of the straight shaft (3), an axial oil groove (6) is formed in the straight shaft (3), one end of the axial oil groove (6) is communicated with the first radial oil groove (4), the other end of the axial oil groove (6) is communicated with the second radial oil groove (5), a pair of first threaded holes (8) is formed in the end part of the straight shaft (3), a pair of second threaded holes (9) is formed in the circular end plate (7, and the diameter of the first threaded hole (8) is the same as that of the second threaded hole (9), and the circular end plate (7) is fixedly connected to the straight shaft (3) through a pair of bolts.
2. The apparatus as claimed in claim 1, wherein the crankshaft and gear assembly apparatus for a punch press comprises: the groove depths of the first radial oil groove (4), the second radial oil groove (5) and the axial oil groove (6) are the same.
3. The apparatus as claimed in claim 1, wherein the crankshaft and gear assembly apparatus for a punch press comprises: the groove depth of the first radial oil groove (4) is the same as that of the second radial oil groove (5), and the groove depth of the axial oil groove (6) is larger than that of the first radial oil groove (4).
4. The apparatus as claimed in claim 1, wherein the crankshaft and gear assembly apparatus for a punch press comprises: the groove depth of the first radial oil groove (4) is smaller than that of the axial oil groove (6), and the groove depth of the axial oil groove (6) is smaller than that of the second radial oil groove (5).
5. The apparatus as claimed in claim 1, wherein the crankshaft and gear assembly apparatus for a punch press comprises: and the axial line inclination angle of the axial oil groove (6) and the straight shaft (3) is 0-5 degrees.
6. The apparatus as claimed in claim 1, wherein the crankshaft and gear assembly apparatus for a punch press comprises: and the axial line inclination angle of the axial oil groove (6) and the straight shaft (3) is 3 degrees.
7. The apparatus as claimed in claim 1, wherein the crankshaft and gear assembly apparatus for a punch press comprises: the crankshaft (1), the gear (2) and the straight shaft (3) are all made of nodular cast iron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020660582.7U CN213006687U (en) | 2020-04-26 | 2020-04-26 | Crankshaft and gear assembling device for punch press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020660582.7U CN213006687U (en) | 2020-04-26 | 2020-04-26 | Crankshaft and gear assembling device for punch press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213006687U true CN213006687U (en) | 2021-04-20 |
Family
ID=75483438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020660582.7U Active CN213006687U (en) | 2020-04-26 | 2020-04-26 | Crankshaft and gear assembling device for punch press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213006687U (en) |
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2020
- 2020-04-26 CN CN202020660582.7U patent/CN213006687U/en active Active
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