CN213239326U - Shaft dynamic balance clamp - Google Patents
Shaft dynamic balance clamp Download PDFInfo
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- CN213239326U CN213239326U CN202022472510.2U CN202022472510U CN213239326U CN 213239326 U CN213239326 U CN 213239326U CN 202022472510 U CN202022472510 U CN 202022472510U CN 213239326 U CN213239326 U CN 213239326U
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Abstract
The utility model discloses an axle dynamic balance anchor clamps, include: the base is divided into a base shaft section A, a base shaft section B, a base shaft section C, a base shaft section D, a base shaft section A and a base shaft section B, the radius of the base shaft section C is sequentially increased, the radius of the base shaft section D is larger than that of the base shaft section A and smaller than that of the base shaft section B, and a threaded hole is formed in the base shaft section A; the axial direction of the base is provided with a weight port and a connecting hole which are not overlapped; the mandrel is divided into a mandrel shaft section A, a mandrel shaft section B, a mandrel shaft section C and a mandrel shaft section D, the external part of the tail end of the mandrel shaft section A is a thread screwed with the concentric threaded hole, and the external part of the tail end of the mandrel shaft section D is a thread. The dynamic balancing machine is started, the unbalanced position and the unbalanced amount of the clamp are found, the plasticine is added into the counter weight hole in the opposite direction of the base, the clamp tends to be in dynamic balance, the dynamic balance of the clamp can be achieved by repeating the steps for several times, the dynamic balance detection period of parts is shortened to 1-2 hours, and the production development efficiency of a new machine is limited.
Description
Technical Field
The utility model relates to an axle dynamic balance anchor clamps belongs to dynamic balance test fixture technical field.
Background
The rotary workpiece has a rotary center during rotation, the center is divided into theoretical and practical, due to the reasons of processing and material distribution, the two centers cannot be absolutely superposed, the part is generally assembled according to the designed rotary center during high-speed rotation, and the part generates a periodic centrifugal force during high-speed rotation due to the non-coincidence of the two rotary centers, so that the part vibrates, generates noise and accelerates bearing abrasion, and a dynamic balance clamp is required to be used for dynamic balance detection after the processing of the general rotary workpiece is finished;
at present, when a certain part on an aircraft engine is subjected to dynamic balance detection, the part is shown in fig. 4, and due to the fact that a dynamic balance clamp is unreasonable in design, the dynamic balance of the part needs a detection period of six hours, and the production development efficiency of a new machine is limited.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an axle dynamic balance anchor clamps.
The utility model discloses a following technical scheme can realize.
The utility model provides a pair of axle dynamic balance anchor clamps, include: the base comprises a base shaft section A, a base shaft section B, a base shaft section C, a base shaft section D, a base shaft section A and a base shaft section B, wherein the radius of the base shaft section C is sequentially increased, the radius of the base shaft section D is larger than that of the base shaft section A and smaller than that of the base shaft section B, and the base shaft section A is provided with a threaded hole; the axial direction of the base is provided with a weight port and a connecting hole which are not overlapped;
the mandrel comprises a mandrel body, wherein the mandrel body is divided into a mandrel shaft section A, a mandrel shaft section B, a mandrel shaft section C and a mandrel shaft section D, the outer part of the tail end of the mandrel shaft section A is provided with threads which are screwed with the concentric threaded holes, and the outer part of the tail end of the mandrel shaft section D is provided with threads.
And a central hole B is formed in the center of the end surface of the mandrel shaft section A.
The center of the end face of the base shaft section D is provided with a center hole A, and the threaded hole is concentric with the center hole A.
The connecting hole penetrates through the base shaft section C of the base.
The connecting holes are even number and are symmetrically distributed, and the number of the connecting holes is four.
The connecting hole is a round hole.
The counterweight hole is positioned on the base shaft section B and the base shaft section C of the base in a penetrating way.
The weight ports are even number and are symmetrically distributed, and the number of the weight ports is sixteen.
The weight port is a round hole.
The weight hole is a circular step hole, and a counter bore section of the weight hole is positioned on the base shaft section B.
The beneficial effects of the utility model reside in that: the device is well assembled and fixed with a dynamic balancing machine through a connecting hole, the planeness of an alignment positioning surface is 0.01, and the excircle runout matched with a part is 0.01; starting a dynamic balancing machine, finding out the unbalanced position and the unbalanced amount of the clamp, adding plasticine into the counter weight hole of the base, so that the clamp tends to be dynamically balanced, and repeating the steps for several times to realize the dynamic balance of the clamp; and stopping the dynamic balancing machine, and grinding the outer circle surfaces in the same direction at the grinding-allowed part position to shorten the dynamic balance detection period of the part to 1-2 hours, thereby improving the production and development efficiency of a certain new machine.
Drawings
Fig. 1 is a schematic structural view of the base of the present invention;
fig. 2 is a schematic structural view of the mandrel of the present invention;
FIG. 3 is a schematic view of the connection structure of the spindle and the base according to the present invention;
FIG. 4 is a front half-symmetrical cross-sectional view of a part;
in the figure: 1-a base; 11-base shaft section a; 12-base shaft section B; 13-base shaft section C; 14-base shaft segment D; 15-a threaded hole; 16-a central aperture A; 17-a weight port; 18-connecting hole 1; 2-mandrel; 21-mandrel shaft segment a; 22-mandrel shaft segment B; 23-mandrel shaft segment C; mandrel segment D is 24.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
See fig. 1-3.
The utility model discloses an axle dynamic balance anchor clamps, include: the base 1 is divided into a base shaft section A11, a base shaft section B12, a base shaft section C13, a base shaft section D14, a base shaft section A11 and a base shaft section B12 from left to right by taking the base 1 as a reference, the radius of the base shaft section C13 is sequentially increased, the radius of the base shaft section D14 is larger than that of the base shaft section A11 and smaller than that of the base shaft section B12, a threaded hole 15 of M22X2 is processed on the base shaft section A11 and used for realizing connection with a mandrel, and for a dynamic balance system with heavy parts and clamps, the connection part can be welded again after threaded connection for the rigidity of the clamps; the axial of base 1 is equipped with weight port 17, the connecting hole 18 that do not coincide, and connecting hole 18 is used for realizing the connection of anchor clamps and lathe work platform, and weight port 17 is used for adjusting the dynamic balance of anchor clamps. The number of the weight holes is as large as possible, so that the adjusting time of the dynamic balance of the clamp can be greatly shortened, and the precise adjustment can be realized more easily;
the mandrel 2 is divided into a mandrel shaft section A21, a mandrel shaft section B22, a mandrel shaft section C23 and a mandrel shaft section D24 from right to left by taking the mandrel 2 as a reference, the outer part of the rightmost tail end of the mandrel shaft section A21 is screwed with the concentric threaded hole 15, and the outer part of the leftmost tail end of the mandrel shaft section D24 is threaded.
The center of the end face of the mandrel shaft section A21 is provided with a center hole B of A4/8, and the center hole B is used for grinding after the clamp is combined, so that the precision of the clamp is improved.
A central hole A16 of A4/8 is machined in the center of the end face of the base shaft section D14, grinding is conducted after the clamps are combined, so that the precision of the clamps is improved, and the threaded hole 15 is concentric with the central hole A16.
The connecting hole 18 penetrates through the base shaft section C13 of the base 1.
The number of the connection holes 18 is even and is symmetrically distributed, for example, four.
The connecting hole 18 is a circular hole.
The weight port 17 penetrates through the base shaft section B12 and the base shaft section C13 of the base 1.
The weight ports 17 are even and symmetrically distributed with respect to each other, for example, sixteen.
The weight ports 17 are round holes.
The weight port 17 is a circular step hole, and a counter bore section of the weight port 17 is located on the base shaft section B12.
The mandrel 2 and the base 1 are assembled, a part is installed from the end of the mandrel 2, with reference to fig. 4 and 3, the right end of the part abuts against the left end face of a base shaft section B12, the middle of the part is positioned with the axial face of a mandrel shaft section C23 for positioning and checking, then a pressing plate is used for pressing on the left end face of the part, and finally a nut is used for screwing with the thread of a mandrel shaft section D24 to press the part;
the positioning device is well assembled and fixed with a V2-100 dynamic balancing machine through a connecting hole 18, the planeness of an alignment positioning surface is 0.01, and the excircle runout matched with a part is 0.01; starting a dynamic balancing machine, finding out the unbalanced position and the unbalanced amount of the clamp, adding plasticine into the counter weight hole 17 of the base 1 in the opposite direction to make the clamp tend to be dynamically balanced, and repeating the steps for several times to realize the dynamic balance of the clamp; and stopping the dynamic balancing machine, and grinding the outer circle surfaces in the same direction at the grinding-allowed part position to shorten the dynamic balance detection period of the part to 1-2 hours, thereby improving the production and development efficiency of a certain new machine.
Claims (10)
1. The utility model provides an axle dynamic balance anchor clamps which characterized in that includes: the base comprises a base (1), wherein the base (1) is divided into a base shaft section A (11), a base shaft section B (12), a base shaft section C (13) and a base shaft section D (14), the base shaft section A (11) and the base shaft section B (12), the radius of the base shaft section C (13) is sequentially increased, the radius of the base shaft section D (14) is larger than that of the base shaft section A (11) and smaller than that of the base shaft section B (12), and a threaded hole (15) is formed in the base shaft section A (11); the axial direction of the base (1) is provided with a weight hole (17) and a connecting hole (18) which are not overlapped;
dabber (2), dabber (2) divide into dabber axial region A (21), dabber axial region B (22), dabber axial region C (23), dabber axial region D (24), and dabber axial region A (21) terminal outside closes for screw thread and concentric screw hole (15) soon, and dabber axial region D (24) terminal outside is the screw thread.
2. The shaft dynamic balance clamp of claim 1, wherein: the center of the end surface of the mandrel shaft section A (21) is provided with a center hole B.
3. The shaft dynamic balance clamp of claim 1, wherein: the center of the end face of the base shaft section D (14) is provided with a center hole A (16), and the threaded hole (15) is concentric with the center hole A (16).
4. The shaft dynamic balance clamp of claim 1, wherein: the connecting hole (18) penetrates through a base shaft section C (13) of the base (1).
5. The shaft dynamic balance fixture according to claim 1 or 4, characterized in that: the number of the connecting holes (18) is even and the connecting holes are symmetrically distributed, and the number of the connecting holes (18) is four.
6. The shaft dynamic balance clamp of claim 5, wherein: the connecting hole (18) is a round hole.
7. The shaft dynamic balance clamp of claim 1, wherein: the counterweight hole (17) penetrates through a base shaft section B (12) and a base shaft section C (13) of the base (1).
8. The shaft dynamic balance fixture according to claim 1 or 7, characterized in that: the number of the weight holes (17) is even and the weight holes are symmetrically distributed, and sixteen weight holes (17) are provided.
9. The shaft dynamic balance clamp of claim 8, wherein: the weight hole (17) is a round hole.
10. The shaft dynamic balance clamp of claim 9, wherein: the weight hole (17) is a circular step hole, and a counter bore section of the weight hole (17) is positioned on the base shaft section B (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022472510.2U CN213239326U (en) | 2020-10-30 | 2020-10-30 | Shaft dynamic balance clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022472510.2U CN213239326U (en) | 2020-10-30 | 2020-10-30 | Shaft dynamic balance clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213239326U true CN213239326U (en) | 2021-05-18 |
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ID=75881215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022472510.2U Active CN213239326U (en) | 2020-10-30 | 2020-10-30 | Shaft dynamic balance clamp |
Country Status (1)
| Country | Link |
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| CN (1) | CN213239326U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114018481A (en) * | 2021-10-18 | 2022-02-08 | 横店集团东磁股份有限公司 | Tool for directly and rapidly balancing axial inner diameter dynamic balance and implementation method thereof |
-
2020
- 2020-10-30 CN CN202022472510.2U patent/CN213239326U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114018481A (en) * | 2021-10-18 | 2022-02-08 | 横店集团东磁股份有限公司 | Tool for directly and rapidly balancing axial inner diameter dynamic balance and implementation method thereof |
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