CN110860600B - Eccentric balance mechanism - Google Patents
Eccentric balance mechanism Download PDFInfo
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- CN110860600B CN110860600B CN201911187596.XA CN201911187596A CN110860600B CN 110860600 B CN110860600 B CN 110860600B CN 201911187596 A CN201911187596 A CN 201911187596A CN 110860600 B CN110860600 B CN 110860600B
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- 230000005540 biological transmission Effects 0.000 claims abstract description 24
- 230000001360 synchronised effect Effects 0.000 claims description 7
- 230000003068 static effect Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 10
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/20—Applications of drives for reducing noise or wear
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Abstract
The invention discloses an eccentric balance mechanism which comprises an eccentric shaft with a balance weight and a balance wheel device, wherein the balance wheel device is in transmission connection with the eccentric shaft. The eccentricity D is 15-30mm, and the motor is applied to a numerical control cutting machine, so that the rotary motion of the motor is converted into the reciprocating linear motion of the pushing piston, and the problem that the working capacity of the traditional equipment is not strong due to small eccentricity can be solved. The invention is provided with the eccentric shaft with the balance weight and the balance wheel device, the balance wheel device is in transmission connection with the eccentric shaft, the balance weight and the first balance center A formed by the connecting rod assembly sleeved on the eccentric inertia shaft and the resultant force point of the second balance center B formed by the balance wheel device, namely the balance mechanism center C is positioned on the center of gravity of the eccentric main shaft, thus the unbalanced force generated by eccentric motion under the action of the gravity of the connecting rod assembly arranged on the eccentric inertia shaft can be eliminated, and vibration and noise caused by the action of the centrifugal force in high-speed rotation can be reduced.
Description
Technical Field
The invention relates to the technical field of shaft parts, in particular to an eccentric balancing mechanism.
Background
The numerical control cutting machine used in the current market adopts an eccentric shaft body to convert the rotary motion of a motor into pushing pistons to perform reciprocating linear motion. In the prior art, the eccentric radius of the eccentric shaft body is smaller than or equal to 12.5mm, so that the working capacity of the whole equipment is not strong, the cutting of the equipment can be improved by increasing the eccentric distance, but as the shaft is an eccentric mechanism and is additionally provided with a heavy object, vibration and noise are necessarily caused by the action of centrifugal force when the eccentric shaft rotates at high speed, the larger the eccentric distance is, the more obvious the noise and vibration are, and the noise standard of a GB/T14574-2000 numerical control cutting bed for marking and verifying the noise emission values of machines and equipment cannot be reached.
The invention increases the eccentric distance and simultaneously sets the balance mechanism on the eccentric shaft, which can offset the gravity of the connecting rod component on the eccentric shaft, and generate unbalanced force under the eccentric motion, thereby reducing the vibration and noise caused by the action of centrifugal force when rotating at high speed.
Disclosure of Invention
In order to solve the above-mentioned problems, an object of the present invention is to provide an eccentric balancing mechanism.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
an eccentric balance mechanism comprises an eccentric shaft with a balance weight and a balance wheel device, wherein the balance wheel device is in transmission connection with the eccentric shaft.
In the technical scheme, the eccentric shaft comprises an eccentric main shaft, an eccentric inertia shaft used for sleeving the connecting rod assembly is arranged on the end face of the power output end of the eccentric main shaft, and the balance weight is further arranged on the end face of the eccentric main shaft, provided with the eccentric inertia shaft;
The connecting rod assembly sleeved on the balance weight and the eccentric inertia shaft forms a first balance gravity center A, when the eccentric main shaft is static or rotates, the resultant force point of a second balance gravity center B formed by the first balance gravity center A and the balance wheel device is a balance mechanism gravity center C, the balance mechanism gravity center C is positioned on the eccentric main shaft center, and the first balance gravity center A is the resultant force point of the connecting rod assembly gravity center E and the balance weight gravity center F sleeved on the eccentric inertia shaft.
In the technical scheme, the balance wheel device is in transmission connection with the eccentric main shaft, the balance wheel device comprises two balance wheels, the two balance wheels are symmetrically arranged at the left side and the right side of the axial lead of the eccentric main shaft, and the two balance wheels are in transmission connection with the eccentric main shaft wheel arranged at the power output end of the eccentric main shaft; and each balance wheel is provided with a balance wheel balancing weight, and the resultant force gravity center point of the two balance wheel balancing weights is the second balance gravity center B of the balance wheel device.
In the technical scheme, the eccentricity D of the eccentric main shaft and the eccentric inertia shaft is 15-30mm.
In the above technical scheme, when the eccentric main shaft is stationary or rotates, the distance P between the first balance gravity center A formed by the balance weight and the connecting rod assembly sleeved on the eccentric inertial shaft and the center of the circle of the eccentric main shaft is within 5mm, wherein the first balance gravity center A is the resultant force point of the gravity center E of the connecting rod assembly sleeved on the eccentric inertial shaft and the gravity center F of the balance weight.
In the technical scheme, the two balance wheels are identical in steering, and the eccentric main shaft wheel and the balance wheels are opposite in steering.
In the technical scheme, each balance wheel is synchronously driven by a first tensioning wheel, and the two first tensioning wheels are also in transmission connection with the two balance wheels and the eccentric main shaft wheel through synchronous belts.
In the above technical scheme, the two balance wheels are opposite in steering, and the eccentric main shaft wheel is identical to one of the balance wheels in steering.
In the above technical scheme, a second tensioning wheel is arranged above one of the balance wheels, and the second tensioning wheel, the two balance wheels and an eccentric main shaft wheel are in transmission connection through a synchronous belt.
Compared with the prior art, the invention has the beneficial effects that:
1. The eccentricity D is 15-30mm, and the motor is applied to a numerical control cutting machine, so that the rotary motion of the motor is converted into the reciprocating linear motion of the pushing piston, and the problem that the working capacity of the traditional equipment is not strong due to small eccentricity can be solved.
2. The invention is provided with the eccentric shaft with the balance weight and the balance wheel device, the balance wheel device is in transmission connection with the eccentric shaft, the balance weight and the first balance center A formed by the connecting rod assembly sleeved on the eccentric inertia shaft and the resultant force point of the second balance center B formed by the balance wheel device, namely the balance mechanism center C is positioned on the center of gravity of the eccentric main shaft, thus the unbalanced force generated by eccentric motion under the action of the gravity of the connecting rod assembly arranged on the eccentric inertia shaft can be eliminated, and vibration and noise caused by the action of the centrifugal force in high-speed rotation can be reduced.
Drawings
FIG. 1 is a schematic structural diagram of embodiment 1 of the present invention;
FIG. 2 is a side sectional view of example 2 of the present invention;
FIG. 3a is a schematic view showing the position of the first equilibrium gravity center A in the first position state according to embodiment 1;
FIG. 3b is a schematic view showing the position of the first equilibrium gravity center A in the second position state according to embodiment 1;
FIG. 3c is a schematic view showing the position of the first equilibrium gravity center A in the third position state according to the embodiment 1;
FIG. 3d is a schematic view showing the position of the first equilibrium gravity center A in the fourth position state according to the embodiment 1;
fig. 4a is a schematic diagram illustrating the position of the center of gravity C of the balancing mechanism in the first position state according to embodiment 1, wherein the point a corresponds to fig. 3 a;
fig. 4b is a schematic diagram illustrating the position of the center of gravity C of the balancing mechanism in the second position state according to embodiment 1, wherein the point a corresponds to fig. 3 b;
fig. 4C is a schematic diagram illustrating the position of the center of gravity C of the balancing mechanism in the third position state according to embodiment 1, wherein the point a corresponds to fig. 3C;
Fig. 4d is a schematic diagram illustrating the position of the center of gravity C of the balancing mechanism in the fourth position state of embodiment 1, wherein the point a corresponds to fig. 3 d;
FIG. 5 is a schematic structural diagram of embodiment 2 of the present invention;
FIG. 6a is a schematic view showing the position of the first equilibrium gravity center A in the first position state according to embodiment 2;
FIG. 6b is a schematic view showing the position of the first equilibrium gravity center A in the second position state according to embodiment 2;
FIG. 6c is a schematic view showing the position of the first equilibrium gravity center A in the third position state according to embodiment 2;
FIG. 6d is a schematic view showing the position of the first equilibrium gravity center A in the fourth position state according to the embodiment 2;
Fig. 7a is a schematic diagram illustrating a position of a center of gravity C of the balancing mechanism in the first position state according to embodiment 2, wherein a point a corresponds to fig. 6 a;
Fig. 7b is a schematic diagram illustrating the position of the center of gravity C of the balancing mechanism in the second position state according to embodiment 2, wherein the point a corresponds to fig. 6 b;
fig. 7C is a schematic diagram illustrating the position of the center of gravity C of the balancing mechanism in the third position state according to embodiment 2, wherein the point a corresponds to fig. 6C;
Fig. 7d is a schematic diagram illustrating the position of the center of gravity C of the balancing mechanism in the fourth position state according to embodiment 2, wherein the point a corresponds to fig. 6 d;
In fig. 3a to 3d and fig. 6a to 6d, E is the center of gravity of the connecting rod assembly sleeved on the eccentric inertial shaft, F is the center of gravity of the balance block, a is the first balance center of gravity, namely the resultant force point of the connecting rod assembly and the balance block, and P is the distance between the first balance center of gravity a and the center of the eccentric main shaft;
In fig. 4a to 4d and fig. 7a to 7d, H is the center of gravity of the balance wheel balancing weights, B is the center of gravity of the two balance wheel balancing weights, and C is the center of gravity of the balancing mechanism, namely the resultant force point of the first balance center of gravity and the center of gravity of the two balance wheel balancing weights;
D is eccentricity and represents the axle center distance between the eccentric main axle and the eccentric inertia axle;
Reference numerals illustrate:
1. An eccentric spindle; 1.1, an eccentric main shaft wheel; 2. an eccentric inertial shaft; 3. a connecting rod assembly; 4. balance wheel device; 4.1, balance wheels; 4.2, balancing weight of balance wheel; 4.3, a first tensioning wheel; 4.4, a second tensioning wheel; 4.5, a synchronous belt; 5. a balance weight; 6. a main shaft support seat; 7. and (3) a piston.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the present invention easy to understand, the following further describes how the present invention is implemented with reference to the accompanying drawings and the detailed description.
The invention provides an eccentric balance mechanism, which comprises an eccentric shaft with a balance weight 5 and a balance wheel device 4, wherein the balance wheel device 4 is in transmission connection with the eccentric shaft.
The eccentric shaft comprises an eccentric main shaft 1, an eccentric inertia shaft 2 used for sleeving a connecting rod assembly 3 is arranged on the end face of the power output end of the eccentric main shaft 1, and a balance weight 5 is further arranged on the end face of the eccentric main shaft 1, provided with the eccentric inertia shaft 2; the eccentricity D of the eccentric main shaft 1 and the eccentric inertial shaft 2 is 15-30mm.
The connecting rod assembly 3 sleeved on the balance weight 5 and the eccentric inertia shaft 2 forms a first balance gravity center A, when the eccentric main shaft 1 is static or rotates, a resultant force point of a second balance gravity center B formed by the first balance gravity center A and the balance wheel device 4 is a balance mechanism gravity center C, the balance mechanism gravity center C is positioned on the center of the eccentric main shaft 1, and meanwhile, the distance P between the first balance gravity center A and the center of the eccentric main shaft 1 is within 5mm, wherein the first balance gravity center A is a resultant force point of the connecting rod assembly 3 gravity center E sleeved on the eccentric inertia shaft 2 and the balance weight 4 gravity center F.
The balance wheel device 4 is in transmission connection with the eccentric main shaft 1, the balance wheel device 4 comprises two balance wheels 4.1, the two balance wheels 4.1 are symmetrically arranged at the left side and the right side of the axial lead of the eccentric main shaft 1, and the two balance wheels 4.1 are in transmission connection with the eccentric main shaft wheel 1.1 arranged at the power output end of the eccentric main shaft 1; and each balance wheel 4.1 is provided with a balance wheel balancing weight 4.2, and the resultant force gravity center point of the two balance wheel balancing weights 4.2 is the second balance gravity center B of the balance wheel device 4.
Example 1
As shown in fig. 1 to 2, the present embodiment provides an eccentric balancing mechanism comprising an eccentric shaft with a weight 5 and a balance wheel device 4, said balance wheel device 4 being in driving connection with the eccentric shaft.
The eccentric shaft comprises an eccentric main shaft 1, the eccentric main shaft 1 is fixed on an eccentric main shaft supporting seat 6 through a bearing, and the power output end of the eccentric main shaft 1 is in transmission connection with a power mechanism (such as a servo motor); an eccentric inertia shaft 2 used for sleeving a connecting rod assembly 3 is arranged on the end face of the power output end of the eccentric main shaft 1, one end of the sleeved connecting rod assembly 3 is sleeved on the eccentric inertia shaft 2, and the other end of the sleeved connecting rod assembly pushes a piston 7 to do reciprocating linear motion; the end face of the eccentric main shaft 1 provided with the eccentric inertia shaft 2 is also provided with the balance weight 5; the eccentricity D of the eccentric main shaft 1 and the eccentric inertial shaft 2 is 15-30mm.
The center of gravity of the connecting rod assembly 3 sleeved on the balance weight 5 and the eccentric inertia shaft 2 forms a first balance center of gravity A, when the eccentric main shaft 1 rotates, the resultant force point of the second balance center of gravity B formed by the first balance center of gravity A and the balance wheel device 4 is a balance mechanism center of gravity C, the balance mechanism center of gravity C is positioned on the center of the eccentric main shaft 1, and the first balance center of gravity A is the resultant force point of the connecting rod assembly center of gravity E sleeved on the eccentric inertia shaft and the balance weight center of gravity F.
The balance wheel device 4 is in transmission connection with the eccentric main shaft 1, the balance wheel device 4 comprises two balance wheels 4.1, the two balance wheels 4.1 are symmetrically arranged at the left side and the right side of the axis of the eccentric main shaft 1, the two balance wheels 4.1 are arranged at one side of the main shaft supporting seat 6, which is close to the power output end of the eccentric main shaft 1, and the two balance wheels 4.1 are in transmission connection with the eccentric main shaft wheel 1.1 arranged at the power output end of the eccentric main shaft 1; the upper part of each balance wheel 4.1 is provided with a first tension wheel 4.3, each balance wheel 4.1 is synchronously driven by a corresponding first tension wheel 4.3, the two first tension wheels 4.3 are also in transmission connection with the two balance wheels 4.1 and the eccentric main shaft wheel 1.1 through a synchronous belt 4.5, so that the two balance wheels 4.1 are identical in steering, and the eccentric main shaft wheel 1.1 is opposite to the two balance wheels 4.1 in steering.
And each balance wheel 4.1 is provided with a balance wheel balancing weight 4.2, and the force combining point of the gravity centers of the two balance wheel balancing weights 4.2 is the second balance gravity center B of the balance wheel device 4.
As shown in fig. 3a to 3d and fig. 4a to 4d, during the rotation of the eccentric main shaft 1, the balance wheel device 4 and the balance weight 5 rotate along with the rotation of the eccentric main shaft 1 to form dynamic balance, and along with the rotation of the eccentric main shaft 1, the center of gravity (i.e. the first balance center of gravity a) of the connecting rod assembly 3 and the balance weight 5 sleeved on the eccentric inertial shaft 2 and the second balance center of gravity B of the balance wheel device 4 all change in position, but the resultant force center of gravity C of the second balance center of gravity B formed by the first balance center of gravity a and the balance wheel device 4 is always located on the center of gravity of the eccentric main shaft 1, so that most unbalanced force on the eccentric inertial shaft is eliminated, and vibration and noise caused by the action of centrifugal force during high-speed rotation are reduced. The first balance gravity center A is a resultant force point of the gravity center E of the connecting rod assembly 3 and the gravity center F of the balance block 5 sleeved on the eccentric inertia shaft 2, namely a point A; the second balance center of gravity B is the resultant force point of the centers of gravity H of the two balance wheel balancing weights 4.2 (namely the key point of the connecting line of the centers of gravity H), namely the point B.
Example 2
As shown in fig. 5, the present embodiment provides an eccentric balancing mechanism comprising an eccentric shaft with a balancing weight 5 and a balance wheel device 4, said balance wheel device 4 being in driving connection with the eccentric shaft.
The eccentric shaft comprises an eccentric main shaft 1, the eccentric main shaft 1 is fixed on an eccentric main shaft supporting seat 6 through a bearing, and the power output end of the eccentric main shaft 1 is in transmission connection with a power mechanism (such as a servo motor); an eccentric inertia shaft 2 used for sleeving a connecting rod assembly 3 is arranged on the end face of the power output end of the eccentric main shaft 1, one end of the sleeved connecting rod assembly 3 is sleeved on the eccentric inertia shaft 2, and the other end of the sleeved connecting rod assembly pushes a piston 7 to do reciprocating linear motion; the end face of the eccentric main shaft 1 provided with the eccentric inertia shaft 2 is also provided with the balance weight 5; the eccentricity D of the eccentric main shaft 1 and the eccentric inertial shaft 2 is 15-30mm.
The center of gravity of the connecting rod assembly 3 sleeved on the balance weight 5 and the eccentric inertia shaft 2 forms a first balance center of gravity A, when the eccentric main shaft 1 is static or rotates, a resultant force point of a second balance center of gravity B formed by the first balance center of gravity A and the balance wheel device 4 is a balance mechanism center of gravity C, the balance mechanism center of gravity C is positioned on the center of the eccentric main shaft 1, and the first balance center of gravity A is a resultant force point of the connecting rod assembly center of gravity E sleeved on the eccentric inertia shaft and the balance weight center of gravity F.
The balance wheel device 4 is in transmission connection with the eccentric main shaft 1, the balance wheel device 4 comprises two balance wheels 4.1, the two balance wheels 4.1 are symmetrically arranged at the left side and the right side of the axis of the eccentric main shaft 1, the two balance wheels 4.1 are arranged at one side of the main shaft supporting seat 6, which is close to the power output end of the eccentric main shaft 1, and the two balance wheels 4.1 are in transmission connection with the eccentric main shaft wheel 1.1 arranged at the power output end of the eccentric main shaft 1; the upper part of one balance wheel 4.1 is provided with a second tensioning wheel 4.4, the second tensioning wheel 4.4 is fixedly arranged on a main shaft supporting seat 6, the second tensioning wheel 4.4, the two balance wheels 4.1 and an eccentric main shaft wheel 1.1 are in transmission connection through a synchronous belt 4.5, so that the two balance wheels 4.1 are opposite in steering, and the eccentric main shaft wheel 1.1 and one balance wheel 4.1 are identical in steering.
Each balance wheel 4.1 is provided with a balance wheel balancing weight 4.2, and the gravity centers of the two balance wheel balancing weights 4.2 are the second balance gravity center B of the balance wheel device 4.
As shown in fig. 6a to 6d and fig. 7a to 7d, during the rotation of the eccentric main shaft 1, the balance wheel device 4 and the balance weight 5 rotate along with the rotation of the eccentric main shaft 1 to form dynamic balance, the gravity centers (namely, the first balance gravity center a) of the connecting rod assembly 3 and the balance weight 5 sleeved on the eccentric inertial shaft 2 and the second balance gravity center B of the balance wheel device 4 are all changed in position, and the resultant force gravity center point C of the second balance gravity center B formed by the first balance gravity center a and the balance wheel device 4 is always positioned on the circle center of the eccentric main shaft 1, so that most unbalanced force on the eccentric inertial shaft is eliminated, and vibration and noise caused by the action of centrifugal force during high-speed rotation are reduced. The first balance gravity center A is a resultant force point of the gravity center E of the connecting rod assembly 3 and the gravity center F of the balance block 5 sleeved on the eccentric inertia shaft 2, namely a point A; the second balance center of gravity B is the resultant force point of the centers of gravity H of the two balance wheel balancing weights 4.2 (namely the key point of the connecting line of the centers of gravity H), namely the point B.
In the invention, the setting basis of the eccentric distance is as follows:
the eccentric shafts provided in example 1 were set with different eccentricities, and vibration and noise experiments were performed to obtain experimental data as shown in table 1:
As shown in Table 1, when the eccentric distance is larger than 32mm, the vibration value is as high as 0.116mm/s and the noise is as high as 91Db, and the noise of the numerical control cutting machine is less than or equal to 85 according to GB/T14574-2000 "marking and verifying of noise emission values of machines and devices", and the eccentric distance is within 30mm. Therefore, the invention is provided with the eccentric shaft with the balance weight and the balance wheel device, the balance wheel device is in transmission connection with the eccentric shaft, and the eccentric distance of the eccentric shaft can be set to be 15mm-30mm.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and 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 modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention.
Claims (6)
1. The eccentric balance mechanism is characterized by comprising an eccentric shaft with a balance weight (5) and a balance wheel device (4), wherein the balance wheel device (4) is in transmission connection with the eccentric shaft;
The eccentric shaft comprises an eccentric main shaft (1), an eccentric inertia shaft (2) used for sleeving a connecting rod assembly (3) is arranged on the end face of the power output end of the eccentric main shaft (1), the eccentric distance (D) between the eccentric main shaft (1) and the eccentric inertia shaft (2) is 15-30mm, and the balance block (5) is further arranged on the end face of the eccentric main shaft (1) provided with the eccentric inertia shaft (2);
The balance weight (5) and the connecting rod assembly (3) sleeved on the eccentric inertia shaft (2) form a first balance gravity center (A), when the eccentric main shaft (1) is static or rotates, a resultant force point of a second balance gravity center (B) formed by the first balance gravity center (A) and the balance wheel device (4) is a balance mechanism gravity center (C), and the balance mechanism gravity center (C) is positioned on the circle center of the eccentric main shaft (1);
The balance wheel device (4) is in transmission connection with the eccentric main shaft (1), the balance wheel device (4) comprises two balance wheels (4.1), the two balance wheels (4.1) are symmetrically arranged on the left side and the right side of the axial lead of the eccentric main shaft (1), and the two balance wheels (4.1) are in transmission connection with the eccentric main shaft wheel (1.1) arranged at the power output end of the eccentric main shaft (1);
And each balance wheel (4.1) is provided with a balance wheel balancing weight (4.2), and the force combining point of the gravity centers of the two balance wheel balancing weights (4.2) is the second balance gravity center (B) of the balance wheel device (4).
2. The eccentric balancing mechanism according to claim 1, wherein when the eccentric main shaft (1) is stationary or rotating, a distance (P) between a first balancing gravity center (a) formed by the balancing weight (5) and the connecting rod assembly (3) sleeved on the eccentric inertial shaft (2) and a circle center of the eccentric main shaft (1) is within 5mm, and the first balancing gravity center (a) is a resultant force point of the gravity center (E) of the connecting rod assembly (3) sleeved on the eccentric inertial shaft (2) and the gravity center (F) of the balancing weight (5).
3. Eccentric balancing mechanism according to claim 1, characterized in that the two balancing wheels (4.1) are turned identically, the eccentric main shaft wheel (1.1) being turned counter to the balancing wheel (4.1).
4. An eccentric balancing mechanism according to claim 3, characterized in that each balance wheel (4.1) is synchronously driven by a first tensioning wheel (4.3), and that two first tensioning wheels (4.3) are also in driving connection with two balance wheels (4.1) and one eccentric main shaft wheel (1.1) by means of a synchronous belt (4.5).
5. Eccentric balancing mechanism according to claim 1, characterized in that the steering of both balancing wheels (4.1) is opposite, the eccentric main shaft wheel (1.1) being the same as the steering of one of the balancing wheels (4.1).
6. The eccentric balancing mechanism according to claim 5, characterized in that a second tensioning wheel (4.4) is arranged above one of the balancing wheels (4.1), and the second tensioning wheel (4.4), the two balancing wheels (4.1) and the eccentric main shaft wheel (1.1) are in transmission connection through a synchronous belt (4.5).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911187596.XA CN110860600B (en) | 2019-11-28 | 2019-11-28 | Eccentric balance mechanism |
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| CN201911187596.XA CN110860600B (en) | 2019-11-28 | 2019-11-28 | Eccentric balance mechanism |
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| CN110860600B true CN110860600B (en) | 2024-07-09 |
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| CN211564177U (en) * | 2019-11-28 | 2020-09-25 | 武汉科普易能科技有限公司 | Eccentric balance mechanism |
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| JP4752241B2 (en) * | 2004-11-01 | 2011-08-17 | パナソニック株式会社 | Reciprocating compressor |
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| CN203510310U (en) * | 2013-10-14 | 2014-04-02 | 上海绿顺包装机械有限公司 | Balance wheel mechanism for cutting device of high-speed honeycomb paper core continuous production line |
| JP6090405B1 (en) * | 2015-10-16 | 2017-03-08 | ダイキン工業株式会社 | Compressor |
| JP2017101712A (en) * | 2015-11-30 | 2017-06-08 | 武蔵精密工業株式会社 | Transmission device and differential gear |
| CN205260759U (en) * | 2015-12-28 | 2016-05-25 | 江西省慧泽实业有限公司 | Alleviate impulse inertia's cutter crank and rocker mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103112028A (en) * | 2013-02-08 | 2013-05-22 | 杭州爱科科技有限公司 | Machine head of cutting machine |
| CN205223708U (en) * | 2015-12-28 | 2016-05-11 | 江西省慧泽实业有限公司 | Tailoring machine cut mechanism |
| CN211564177U (en) * | 2019-11-28 | 2020-09-25 | 武汉科普易能科技有限公司 | Eccentric balance mechanism |
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