CN220197029U - Shaft sleeve part clamping leveling mechanical arm - Google Patents
Shaft sleeve part clamping leveling mechanical arm Download PDFInfo
- Publication number
- CN220197029U CN220197029U CN202321012381.6U CN202321012381U CN220197029U CN 220197029 U CN220197029 U CN 220197029U CN 202321012381 U CN202321012381 U CN 202321012381U CN 220197029 U CN220197029 U CN 220197029U
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- China
- Prior art keywords
- shaft sleeve
- chassis
- sleeve part
- clamping
- mechanical arm
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- 239000000463 material Substances 0.000 claims description 2
- 238000003754 machining Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 6
- 239000002184 metal Substances 0.000 abstract description 3
- 210000000078 claw Anatomy 0.000 description 10
- 238000013459 approach Methods 0.000 description 2
- 230000001427 coherent effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
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Abstract
The utility model relates to the field of metal processing clamps and discloses a shaft sleeve part clamping leveling mechanical arm, which comprises a mechanical arm body and an installation seat arranged at the tail end of the mechanical arm body, wherein a first clamp holder for feeding is arranged on the installation seat, the first clamp holder comprises a chassis fixed on the installation seat and at least two clamping jaws capable of tightly supporting the inner wall of the shaft sleeve part or separating from the shaft sleeve part, which are arranged on the chassis, a leveling mechanism for leveling the step surface of the shaft sleeve part and the end surface of a lathe clamp, which is perpendicular to the clamping surface, is arranged on the chassis, the leveling mechanism levels the step surface of the shaft sleeve part and the end surface of the clamping surface, the shaft sleeve part and the three-jaw chuck are coaxial, and the machining error caused by clamping deviation can be reduced in subsequent machining.
Description
Technical Field
The utility model relates to the technical field of metal processing clamps, in particular to a shaft sleeve part clamping leveling mechanical arm.
Background
The shaft sleeve part is generally subjected to metal processing on a numerical control lathe, the shaft sleeve part is generally provided with a step surface, namely, the shaft sleeve part is formed by a large-diameter section and a small-diameter section, in the prior art, the shaft sleeve part is generally clamped by utilizing a three-jaw chuck, but the clamping, the dismounting and the starting of the shaft sleeve part are completely carried out by an operator, the smaller-type part is manually dismounted by manpower, the larger-type part can only be dismounted on a travelling bed by using travelling crane assistance due to overlarge quality, the conditions of unstable, unbiased, unapplied and the like of automatic clamping exist in general mechanical jaw assistance lathe, and once the conditions cause irreversible serious consequences, the situation is one of the obstacles existing in automatic production and is the bottleneck problem which must be solved.
The mechanical arm with clamping jaws has a structure disclosed by CN209273429U, and a clamp is arranged on the mechanical arm and comprises clamping jaws capable of clamping shaft sleeve parts.
The clamping jaw in the prior art only has a clamping function, when the mechanical arm for clamping the shaft sleeve part needs to be placed on a lathe fixture of a numerical control lathe, the conventional lathe fixture is a three-jaw chuck, so that the part can be clamped by the three-jaw chuck in an inclined state due to the movement and rotation errors of the mechanical arm in the clamping and conveying process, at the moment, one or two clamping jaws possibly exist in the three-jaw chuck in a point clamping state, so that the part and the three-jaw chuck are not in a coaxial state, and then the subsequent machining errors occur.
Disclosure of Invention
Aiming at the defect that the existing three-jaw chuck clamps shaft sleeve parts and is difficult to flatten, the utility model provides the shaft sleeve part clamping and leveling mechanical arm easy to flatten.
In order to solve the technical problems, the utility model is solved by the following technical scheme:
the utility model provides a axle sleeve class part centre gripping leveling arm, includes the arm body and sets up in the terminal mount pad of arm body, is provided with the first holder that is used for the material loading on the mount pad, first holder is including being fixed in the chassis on the mount pad and at least two jack catch that can prop up tight axle sleeve class part inner wall or break away from axle sleeve class part that set up on the chassis, is provided with the subsides flat mechanism of the terminal surface subsides of step face and lathe fixture perpendicular to holding surface of order about axle sleeve class part on the chassis.
By adopting the scheme, the claw is locally inserted into the shaft sleeve part and is far away from the inner wall of the shaft sleeve part until the outer end face of the claw is abutted against the inner wall of the shaft sleeve part, the shaft sleeve part is clamped, the flattening mechanism flattens the step face of the shaft sleeve part and the end face of the lathe fixture, which is perpendicular to the clamping face, and the shaft sleeve part and the chassis are kept coaxial, so that the machining error caused by clamping deviation can be reduced in subsequent machining.
Preferably, the leveling mechanism comprises a leveling plate which can be close to or far from the chassis, a thrust part for giving a force for the leveling plate to move towards one end away from the chassis, and a pushing guide part for driving the shaft sleeve type part to be inserted into the lathe fixture and enabling the step surface of the part to be automatically leveled with the end surface of the lathe fixture perpendicular to the clamping surface.
By adopting the scheme, when the shaft sleeve part is locally inserted into the lathe fixture, the leveling mechanism moves away from the chassis under the guidance of the pushing guide part, so that the step surface of the shaft sleeve part and the end surface of the lathe fixture perpendicular to the clamping surface are completely leveled.
Preferably, the pushing guide part comprises a fixed block arranged on the chassis and a movable rod vertically arranged on the flat plate, a movable hole is formed in the fixed block, the movable rod penetrates through the movable hole and forms a fit clearance with the movable hole, the flat plate can swing in a certain range, and a limiting block for limiting the movable rod to be separated from the movable hole is arranged at one end, far away from the flat plate, of the movable rod.
By adopting the scheme, the pasting flat plate can move close to or far away from the chassis along the moving rod, and the gap between the moving rod and the movable hole is used for the pasting flat plate to incline slightly, so that the step surface of the shaft sleeve part is flatly pasted with the end surface of the lathe fixture perpendicular to the clamping surface.
Preferably, the fixed blocks are arranged on the outer annular wall of the chassis and at least two fixed blocks are arranged around the circumferential direction of the chassis at intervals, and the number of the movable rods is consistent with that of the fixed blocks and is set in one-to-one correspondence.
By adopting the scheme, the shaft sleeve part is attached to the flat plate, and the flat plate swings in a certain amplitude, so that the step surface of the shaft sleeve part is attached to the end surface of the lathe fixture, which is perpendicular to the clamping surface.
Preferably, the thrust part comprises an elastic piece, wherein the elastic piece is sleeved on the moving rod, and two ends of the elastic piece are respectively elastically attached to one side opposite to the attaching plate and the fixing block.
By adopting the scheme, when the claw is inserted into the shaft sleeve part, the flat plate has extrusion force on the shaft sleeve part, the shaft sleeve part generates reaction force on the flat plate, the flat plate moves close to the chassis, the elastic piece is compressed, and the elastic piece resets, so that the flat plate has extrusion force on the shaft sleeve part, and the end face of the flat plate far away from the chassis is attached to the end face of the shaft sleeve part close to the chassis; when the shaft sleeve part is partially inserted into the lathe fixture at the position where one end of the shaft sleeve part is far away from the chassis, the clamping claws are mutually close to the inner wall of the shaft sleeve part, the elastic part elastically resets, and the shaft sleeve part is enabled to move in the direction where the shaft sleeve part is far away from the chassis by the thrust of the flat plate until the end face of the step of the shaft sleeve part is flat with the end face of the lathe fixture perpendicular to the clamping surface.
Preferably, the first clamp holder is a three-jaw chuck, and an inner supporting block which can be inserted into an inner hole of the shaft sleeve part and is tightly supported is fixedly extended to one end, away from the chassis, of the three jaws of the three-jaw chuck.
By adopting the scheme, the three claws are partially inserted into the shaft sleeve part, the three claws are mutually far away, the inner wall of the shaft sleeve part is tightly supported by the inner supporting block, and the three claws are more stable in taking and conveying the shaft sleeve part.
Preferably, a second clamp holder for blanking is arranged on the mounting seat, the second clamp holder is consistent with the first clamp holder in structure, and the second clamp holder and the first clamp holder are respectively arranged on two side walls of the mounting seat.
By adopting the scheme, the second clamp holder puts down the machined shaft sleeve part, and the first clamp holder can clamp and take down the shaft sleeve part to be machined, so that the shaft sleeve part can be taken and put in a coherent manner, and the coherent production requirement is realized.
Preferably, the first clamp holder and the second clamp holder are distributed on two side walls of the mounting seat in a V shape.
By adopting the scheme, the first clamp holder and the second clamp holder which are arranged in the V shape can reduce the rotating angle of the mechanical arm, so that the rotating time of the mechanical arm is saved, the working efficiency is improved, and the first clamp holder and the second clamp holder form an included angle to facilitate the continuous taking and placing of shaft sleeve parts.
The utility model has the remarkable technical effects due to the adoption of the technical scheme:
the clamping device is characterized in that the clamping device is additionally provided with a leveling mechanism, the clamping jaw is partially inserted into the shaft sleeve part and simultaneously far away from the outer end face of the clamping jaw until the outer end face of the clamping jaw abuts against the inner wall of the shaft sleeve part, the clamping jaw is opened, the inner supporting block tightly supports the shaft sleeve part to clamp the shaft sleeve part, the leveling mechanism enables the step face of the shaft sleeve part to be leveled with the end face of the clamping face, the shaft sleeve part and the lathe clamp are coaxially abutted, and machining errors caused by clamping deviation can be reduced in subsequent machining.
Drawings
FIG. 1 is an isometric view of the lathe of the present embodiment;
FIG. 2 is an isometric view of the robotic arm of the present embodiment;
FIG. 3 is an enlarged view of A in FIG. 2;
FIG. 4 is a structural exploded view of the pasting mechanism and the first gripper of the present embodiment;
fig. 5 is an enlarged view of B in fig. 4;
FIG. 6 is a side view of the three jaw chuck of the lathe in this embodiment mated with the first gripper;
fig. 7 is a cross-sectional view of fig. 6.
The names of the parts indicated by the numerical reference numerals in the above drawings are as follows: 1. a lathe fixture; 2. a lathe; 3. a robot arm body; 4. a mounting base; 5. a first gripper; 501. a claw; 502. an inner support block; 503. a chassis; 6. a second gripper; 7. sticking a flat plate; 8. a moving rod; 9. an elastic member; 10. a limiting block; 11. a fixed block; 111. a movable hole; 12. shaft sleeve parts; 1201. a clamping surface; 1202. a step surface; 1203. an inner hole.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings and examples.
Examples
The mechanical arm, as shown in fig. 1-3, comprises a mechanical arm body 3 and an installation seat 4 arranged at the tail end of the mechanical arm body 3, wherein a first clamp holder 5 for feeding and a second clamp holder 6 for discharging are arranged on the installation seat 4, the first clamp holder 5 and the second clamp holder 6 are distributed on two side walls of the installation seat 4 in a V shape, and a step surface 1202 for driving a shaft sleeve part 12 and a leveling mechanism for leveling the end surface of a lathe clamp 1 perpendicular to a clamping surface 1201 are arranged on a chassis 503 of the first clamp holder 5.
The first gripper 5 and the second gripper 6 are identical in structure and are three-jaw chucks, the specific structure is shown with reference to fig. 3 and 5, the first gripper 5 comprises a chassis 503 fixed on the mounting seat 4 and three jaws 501 arranged on the chassis 503 and radially approaching or separating from the chassis 503, and inner supporting blocks 502 which can be inserted into through holes of shaft sleeve type parts 12 and tightly support the shaft sleeve type parts are vertically extended on one side, opposite to the side, far from the chassis 503, of the three jaws 501.
Referring to fig. 5-7, the leveling mechanism includes a leveling plate 7 parallel to the chassis 503 and capable of approaching or separating from the chassis 503, and a pushing guide part for driving the leveling plate 7 to slide in a guiding manner, the pushing guide part includes a fixed block 11 disposed on the chassis 503 and a movable rod 8 vertically disposed on the leveling plate 7, the fixed block 11 is provided with a movable hole 111, a fit gap for the leveling plate 7 to swing within a certain amplitude is formed between the movable rod and the movable hole 111, the fixed block 11 is disposed on an outer annular wall of the chassis 503 and is disposed around a circumferential space of the chassis, the movable rod 8 is disposed in a consistent and one-to-one correspondence with the fixed block 11, elastic members 9 with two ends respectively elastically abutting against the leveling plate 7 and the fixed block 11 are sleeved on the movable rod 8, the leveling plate 7 can approach or separate from the movement of the chassis 503 along the movable rod 8, the gap between the movable rod 8 and the movable hole 111 is slightly inclined, the elastic members 9 elastically reset, so that a step surface 1202 of a sleeve part is abutted against an end surface 10 of a clamping fixture 1 perpendicular to an end surface of the clamping fixture, and a clamping jaw 1201 is completely pressed against the end surface of the lathe tool 1, and a clamping jaw 1201 is completely abutted against the end surface of the end surface 12 of the lathe part 12 when the clamping jaw 1201 is completely abutted against the end surface of the lathe part 1, and the end surface is completely abutted against the end surface of the clamping part 1.
The mechanical arm is used for clamping the shaft sleeve part 12 and is put into the lathe fixture 1 for leveling, and the operation steps are as follows:
1. the first clamp holder clamps shaft sleeve parts: after the claws 501 of the first clamp holder 5 are closed, the inner supporting blocks 502 are inserted into the inner holes 1203 of the shaft sleeve type parts 12, and the claws 501 are opened until the inner supporting blocks 502 support the shaft sleeve type parts 12 in the inner holes 1203;
2. the first clamp holder is used for placing shaft sleeve parts: the mechanical arm body 3 rotates until the first clamp holder 5 is opposite to the lathe clamp 1, the lathe clamp 1 is folded to a small-diameter section with a clamping opening larger than the shaft sleeve part 12 and smaller than a large-diameter section of the shaft sleeve part 12, the clamping jaw 501 of the first clamp holder 5 is folded, the shaft sleeve part 12 is loosely hung on the inner supporting block 502, when the mechanical arm body 3 is close to the lathe clamp 1, the flat plate 7 is extruded by the mechanical arm body 3, the elastic piece 9 is contracted, the flat plate 7 gives the shaft sleeve part 12 a thrust close to the lathe clamp 1, and the gap between the movable rod 8 and the movable hole 111 enables the flat plate 7 to swing and adjust within a certain range, so that the step surface 1202 of the shaft sleeve part 12 is driven to be automatically leveled with the end surface of the lathe clamp 1 perpendicular to the clamping surface 1201;
3. the mechanical arm body 3 is far away from the lathe 2, and the lathe 2 processes the shaft sleeve part 12;
4. the second clamp holder clamps shaft sleeve parts: after the shaft sleeve part 12 is machined, the mechanical arm body 3 approaches the lathe fixture 1, the mechanical arm body 3 rotates until the second clamp holder 6 is opposite to the lathe fixture, the clamping jaw 501 of the second clamp holder 6 is folded first, the mechanical arm body 3 drives the inner supporting block 502 to be inserted into the inner hole 1203 of the shaft sleeve part 12, the clamping jaw 501 opens to tightly support the shaft sleeve part 12, and the mechanical arm body 3 enables the second clamp holder 6 to be far away from the lathe fixture 1.
The first clamp holder 5 and the second clamp holder 6 can realize the switching between feeding and discharging through the rotation of the mechanical arm body 3, and the working efficiency is improved.
Claims (8)
1. The utility model provides a axle sleeve class part centre gripping arm of making level, includes arm body (3) and sets up in terminal mount pad (4) of arm body (3), is provided with first holder (5) that are used for the material loading on mount pad (4), its characterized in that: the first clamp holder (5) comprises a chassis (503) fixed on the mounting seat (4) and at least two clamping jaws (501) which are arranged on the chassis (503) and can tightly support the inner wall of the shaft sleeve part or separate from the shaft sleeve part, wherein a step surface (1202) for driving the shaft sleeve part (12) and an end surface of the lathe clamp (1) perpendicular to the clamping surface (1201) are arranged on the chassis (503) and are automatically flatly pasted.
2. The shaft sleeve type part clamping leveling mechanical arm according to claim 1, wherein: the leveling mechanism comprises a leveling plate (7) which can be close to or far away from the chassis (503), a thrust part which gives a force for the leveling plate (7) to move towards one end away from the chassis (503), and a pushing guide part which drives the shaft sleeve part (12) to be inserted into the lathe fixture (1) and enables the step surface (1202) of the shaft sleeve part (12) to be automatically leveled with the end surface of the lathe fixture (1) perpendicular to the clamping surface (1201).
3. The shaft sleeve type part clamping leveling mechanical arm according to claim 2, wherein: the pushing guide part comprises a fixed block (11) arranged on a chassis (503) and a movable rod (8) vertically arranged on the sticking plate (7), a movable hole (111) is formed in the fixed block (11), the movable rod (8) penetrates through the movable hole (111) and forms a fit clearance with the movable hole (111) for the sticking plate (7) to swing in a certain range, and a limiting block (10) for limiting the movable rod (8) to be separated from the movable hole (111) is arranged at one end, far away from the sticking plate (7), of the movable rod (8).
4. A shaft sleeve type part clamping leveling mechanical arm according to claim 3, wherein: the fixed blocks (11) are arranged on the outer annular wall of the chassis (503) and at least two movable rods (8) are arranged around the circumferential direction of the chassis (503) at intervals, and the number of the movable rods is consistent with that of the fixed blocks (11) and the movable rods are arranged in a one-to-one correspondence mode.
5. The shaft sleeve type part clamping leveling mechanical arm according to claim 2, wherein: the thrust part comprises an elastic piece (9), wherein the elastic piece (9) is sleeved on the movable rod (8) and two ends of the elastic piece are respectively elastically attached to one side, opposite to the attaching plate (7) and the fixing block (11).
6. The shaft sleeve type part clamping leveling mechanical arm according to claim 1, wherein: the first clamp holder (5) is a three-jaw chuck, and an inner supporting block (502) which can be inserted into an inner hole (1203) of the shaft sleeve part (12) and tightly support the shaft sleeve part (12) extends to one end, which is far away from the chassis (503), of the three-jaw chuck.
7. The shaft sleeve type part clamping leveling mechanical arm according to claim 1, wherein: the second clamp holder (6) for blanking is arranged on the mounting seat (4), the second clamp holder (6) is consistent with the first clamp holder (5) in structure, and the second clamp holder (6) and the first clamp holder (5) are respectively arranged on two side walls of the mounting seat (4).
8. The shaft sleeve type part clamping leveling mechanical arm according to claim 7, wherein: the first clamp holder (5) and the second clamp holder (6) are distributed on two side walls of the mounting seat (4) in a V shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321012381.6U CN220197029U (en) | 2023-04-28 | 2023-04-28 | Shaft sleeve part clamping leveling mechanical arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321012381.6U CN220197029U (en) | 2023-04-28 | 2023-04-28 | Shaft sleeve part clamping leveling mechanical arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220197029U true CN220197029U (en) | 2023-12-19 |
Family
ID=89144388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321012381.6U Active CN220197029U (en) | 2023-04-28 | 2023-04-28 | Shaft sleeve part clamping leveling mechanical arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220197029U (en) |
-
2023
- 2023-04-28 CN CN202321012381.6U patent/CN220197029U/en active Active
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