CN212146481U - Tongs quick change mechanism - Google Patents
Tongs quick change mechanism Download PDFInfo
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- CN212146481U CN212146481U CN201922492409.0U CN201922492409U CN212146481U CN 212146481 U CN212146481 U CN 212146481U CN 201922492409 U CN201922492409 U CN 201922492409U CN 212146481 U CN212146481 U CN 212146481U
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- elastic arm
- change mechanism
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Abstract
The utility model discloses a tongs quick change mechanism for assemble tongs detachably in arm, include: the base column is assembled below the mechanical arm, and a connector is arranged below the base column and connected with the hand grip; the side wall of the base pillar is provided with a groove; the ejection assembly comprises a stress plate and an annular fixed table connected with the stress plate; the inner wall of the annular fixed table is matched with the groove to be clamped in the groove; the elastic arm is connected between the base column and the ejection assembly, and a distance is formed between the base column and the inner wall of the annular fixed table by the elastic arm. The utility model discloses compact structure, can effectual utilization space, practice thrift manufacturing cost, realize that quick replacement, the practicality of anchor clamps, tool are strong, stability can be good.
Description
Technical Field
The utility model relates to an automation equipment field, in particular to tongs quick change mechanism.
Background
A fixture is used in the field of machine manufacturing as a tool to assist in controlling position or motion (or both). There are many types of fixtures that are customized for the purpose of increasing productivity, repeating a particular action, or making work more accurate.
The existing jig occupies a large space, the manufacturing cost is high, and different jigs need to be designed and manufactured according to different models when the special jig is used for positioning the iron piece, so that the number of the jigs is large. The precision of the positioning jig can change during the use process, which may result in inaccurate positioning.
When the automobile parts are packaged, the automobile parts need to be placed into corresponding jigs for batch packaging, the weight of the automobile parts needs to be quickly replaced by the clamps and jigs for transferring products within 1Kg, and the automobile parts are grabbed by electromagnets applied to an automobile timing system. At present, the placement is mainly carried out manually, when the manual placement works for a long time, due to the reasons of fatigue and the like, the picking efficiency is low, the packaging efficiency is greatly reduced, more manual work hours are consumed, and the packaging cost is higher; especially, in the occasion that needs to snatch different products, need change different tongs, can increase the cost of labor and prolong working time, and then influence encapsulation efficiency and product yield.
SUMMERY OF THE UTILITY MODEL
In order to use manpower sparingly, raise the efficiency, solve prior art's problem, the embodiment of the utility model provides a tongs quick change mechanism, technical scheme is as follows:
a tongs quick change mechanism for assemble the tongs detachably in the arm, tongs quick change mechanism includes:
the base column is assembled below the mechanical arm, and a connector is arranged below the base column and connected with the hand grip; the side wall of the base pillar is provided with a groove;
the ejection assembly comprises a stress plate and an annular fixed table connected with the stress plate; the inner wall of the annular fixed table is matched with the groove to be clamped in the groove;
the elastic arm is connected between the base column and the ejection assembly, and a gap is formed between the base column and the inner wall of the annular fixed table by the elastic arm; the stress plate compresses the elastic arm under the action of an external force so as to expand the distance;
when the elastic arm drives the annular fixed table to move and expand the distance, the annular fixed table is separated from the groove, and the base column drives the hand grip to penetrate through an annular hole of the annular fixed table, so that the hand grip is detached and replaced; after the external force is removed, the elastic arms recover the distance to enable the annular fixed table to be abutted in the groove, and the ejection assembly is abutted on the base column through the elastic arms.
As a further improvement of the embodiment of the present invention, the elastic arms are disposed at four corners of the stress plate relatively, and the elastic arms are springs between the base posts and the stress plate for reciprocating motion.
As a further improvement of the embodiment of the present invention, the gripper quick-change mechanism further includes: the shell forms a containing space, and the ejection assembly and the base column are contained in the containing space; the inner wall of the shell facing the accommodating space is provided with a fixing structure, and when the elastic arm is compressed to expand the distance, the elastic arm maintains the expanded distance.
As a further improvement of the embodiment of the present invention, the fixing structure is a fixing column, and the annular fixing platform has a fastening hole for accommodating the fixing column; the fixing column is ejected from the inner wall and extends into the annular hole of the annular fixing table;
when the elastic arm is compressed to expand the distance, the fixed column is clamped in the clamping hole, so that the expanded distance of the elastic arm is maintained.
As a further improvement of the embodiment of the present invention, the fixing structure includes a cam structure embedded on the inner wall, and the annular fixing table has a chute matched with the cam structure; when the elastic arm is compressed to expand the distance, the cam structure is abutted against the sliding groove, so that the elastic arm maintains the expanded distance.
As a further improvement of the embodiment of the present invention, the fixing column and the interference force between the fastening holes are greater than the restoring force of the elastic arm.
As a further improvement of the embodiment of the present invention, the gripper quick-change mechanism further includes a fixing seat, the fixing seat is riveted on the mechanical arm and passes the mechanical arm and is assembled to the foundation column.
The utility model has the advantages that:
the utility model has compact structure, can effectively utilize space and save manufacturing cost; the positioning precision is high, the positioning speed is high, the practicability is strong, and the stability is good; quick replacement is achieved without sacrificing positioning accuracy.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a quick-change mechanism for grippers according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a quick-change mechanism for grippers according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a fixing structure of a quick-change gripper mechanism according to an embodiment of the present invention;
the examples in the figures are represented as:
1-a pillar; 2-an ejection assembly; 21-a stress plate; 22-ring-shaped fixed table; 3-a resilient arm; 4-a mechanical arm; 5-a connector; 6, gripping the hand; 7-fixing the column; 8-a clamping hole; 9-a groove; 10-a housing; 11-accommodation space.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the following description will clearly and completely describe the technical solutions in the embodiments of the present invention 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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment of the utility model discloses tongs quick change mechanism for assemble tongs detachably in the arm, as shown in fig. 1 and fig. 2, tongs quick change mechanism includes:
the device comprises a base column 1, a manipulator 4 and a connector 5, wherein the base column 1 is assembled below the manipulator 4, and the connector 5 is arranged below the base column 1 and connected with a gripper 6; the sidewall of the foundation column 1 is provided with a groove 9;
the ejection assembly 2 comprises a stress plate 21 and an annular fixed table 22 connected with the stress plate 21; the inner wall of the annular fixed table 22 is provided with a groove 9 which is matched with the groove so as to realize that the base column 1 is clamped on the annular fixed table 22;
the elastic arm 3 is connected between the base column 1 and the ejection assembly 2, and the elastic arm 3 forms a distance between the base column 1 and the inner wall of the annular fixed table 22; the stress plate 21 compresses the elastic arm 3 by an external force to expand the distance;
when the elastic arm 3 drives the annular fixed table 22 to move and expand the distance, the protruding part is separated from the groove, and the base column 1 drives the hand grip 6 to penetrate through an annular hole of the annular fixed table 22, so that the hand grip 6 is detached and replaced; after the external force is removed, the elastic arms 3 restore the spacing so that the annular fixing table 22 abuts against the groove 9, and the ejection assembly 2 abuts against the base column 1 through the elastic arms 3.
Specifically, the elastic arms 3 are oppositely arranged at four corners of the force-bearing plate 21, and the elastic arms 3 are springs and reciprocate between the base column 1 and the force-bearing plate 21.
The embodiment of the utility model provides an in, tongs quick change mechanism still includes: the ejection mechanism comprises a shell 10, wherein the shell 10 forms a containing space 11, and the ejection assembly 2 and the base column 1 are contained in the containing space 11; the inner wall of the housing 10 facing the receiving space 11 is provided with a fixing structure for maintaining the elastic arms 3 at the expanded pitch when the elastic arms 3 are compressed to expand the pitch.
Specifically, as shown in fig. 3, the fixing structure is a fixing post 7, and the annular fixing table 22 has a fastening hole 8 for accommodating the fixing post 7; the fixing column 7 is projected from the inner wall of the shell 10 and extends into an annular hole of the annular fixing table 22;
when the elastic arm 3 is compressed to expand the distance, the fixing post 7 is clamped in the clamping hole 8, so that the elastic arm 3 maintains the expanded distance.
In other alternative embodiments, the fixing structure may further include a cam structure embedded on the inner wall of the housing 10, and the annular fixing table has a sliding groove matched with the cam structure; when the elastic arm 3 is compressed to expand the distance, the cam structure is abutted against the chute, so that the elastic arm maintains the expanded distance.
It should be noted that the interference force between the fixing post 7 and the locking hole 8 is greater than the restoring force of the elastic arm 3.
The gripper quick-change mechanism further comprises a fixing seat, and the fixing seat is riveted on the mechanical arm 4 and penetrates through the mechanical arm 4 to be assembled to the foundation column 1.
The utility model has the advantages that:
the utility model has compact structure, can effectively utilize space and save manufacturing cost; the positioning precision is high, the positioning speed is high, the practicability is strong, and the stability is good; quick replacement is achieved without sacrificing positioning accuracy.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (7)
1. The utility model provides a tongs quick change mechanism for assemble tongs detachably in the arm, its characterized in that tongs quick change mechanism includes:
the base column is assembled below the mechanical arm, and a connector is arranged below the base column and connected with the hand grip; the side wall of the base pillar is provided with a groove;
the ejection assembly comprises a stress plate and an annular fixed table connected with the stress plate; the inner wall of the annular fixed table is matched with the groove to be clamped in the groove;
the elastic arm is connected between the base column and the ejection assembly, and a gap is formed between the base column and the inner wall of the annular fixed table by the elastic arm; the stress plate compresses the elastic arm under the action of an external force so as to expand the distance;
when the elastic arm drives the annular fixed table to move and expand the distance, the annular fixed table is separated from the groove, and the base column drives the hand grip to penetrate through an annular hole of the annular fixed table, so that the hand grip is detached and replaced; after the external force is removed, the elastic arms recover the distance to enable the annular fixed table to be abutted in the groove, and the ejection assembly is abutted on the base column through the elastic arms.
2. The quick-change mechanism for graspers as claimed in claim 1, wherein the elastic arms are oppositely disposed at four corners of the force-bearing plate, and the elastic arms are springs for reciprocating between the base posts and the force-bearing plate.
3. The gripper quick-change mechanism according to claim 1, further comprising: the shell forms a containing space, and the ejection assembly and the base column are contained in the containing space; the inner wall of the shell facing the accommodating space is provided with a fixing structure, and when the elastic arm is compressed to expand the distance, the elastic arm maintains the expanded distance.
4. The quick-change mechanism for the gripper according to claim 3, wherein the fixing structure is a fixing column, and the annular fixing table has a clamping hole for accommodating the fixing column; the fixing column is ejected from the inner wall of the shell and extends into the annular hole of the annular fixing table;
when the elastic arm is compressed to expand the distance, the fixed column is clamped in the clamping hole, so that the expanded distance of the elastic arm is maintained.
5. The quick-change mechanism for the gripper as claimed in claim 3, wherein the fixing structure comprises a cam structure embedded on the inner wall, and the annular fixing table has a sliding groove matched with the cam structure; when the elastic arm is compressed to expand the distance, the cam structure is abutted against the sliding groove, so that the elastic arm maintains the expanded distance.
6. The quick-change mechanism for the gripper as claimed in claim 4, wherein the interference force between the fixing post and the locking hole is greater than the restoring force of the elastic arm.
7. The quick gripper change mechanism of claim 1, further comprising a retaining block riveted to a robotic arm and assembled to the base post through the robotic arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922492409.0U CN212146481U (en) | 2019-12-31 | 2019-12-31 | Tongs quick change mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922492409.0U CN212146481U (en) | 2019-12-31 | 2019-12-31 | Tongs quick change mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212146481U true CN212146481U (en) | 2020-12-15 |
Family
ID=73709196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922492409.0U Active CN212146481U (en) | 2019-12-31 | 2019-12-31 | Tongs quick change mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212146481U (en) |
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2019
- 2019-12-31 CN CN201922492409.0U patent/CN212146481U/en active Active
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