CN219504683U - Automatic tightening assembly device for rod-shaped externally-threaded workpiece - Google Patents
Automatic tightening assembly device for rod-shaped externally-threaded workpiece Download PDFInfo
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- CN219504683U CN219504683U CN202320903377.2U CN202320903377U CN219504683U CN 219504683 U CN219504683 U CN 219504683U CN 202320903377 U CN202320903377 U CN 202320903377U CN 219504683 U CN219504683 U CN 219504683U
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- sliding table
- rod
- pressing
- assembled
- clamps
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Abstract
The utility model provides an automatic tightening assembly device for a rod-shaped externally threaded workpiece, which is characterized in that a rod piece is forced downwards, and the rod piece and a bottom part are assembled by being driven by rotation of the bottom part, so that the assembly efficiency is high. It comprises the following steps: a workbench comprising a bottom supporting surface and an upward protruding vertical plate; a servo rotary table; the base of the component clamp is fixedly arranged on the turntable of the servo turntable, and a pair of clamping jaws of the component clamp are used for clamping the bottom position of a bottom component to be assembled; a pressing cylinder; pressing down the sliding table; at least two sets of clamps; the lower output end of the pressing cylinder is fixedly connected with the upper end of the pressing sliding table, the back of the pressing sliding table is embedded in the linear track, the front end surface of the pressing sliding table is sequentially provided with corresponding groups of clamps along the height direction, and each group of clamps respectively clamps the height direction position of the rod-shaped externally-threaded workpiece; the center axis formed by each group of jigs in the clamped state and the center axis of the screw hole to be assembled of the bottom member to be assembled are coaxially arranged.
Description
Technical Field
The utility model relates to the technical field of workpiece assembly devices, in particular to an automatic tightening assembly device for a rod-shaped workpiece with external threads.
Background
In the automatic screwing assembly process of the rod-shaped externally-threaded workpiece, the automatic screwing assembly process is limited by the inherent thinking in manual screwing assembly, and is often designed by referring to a manual assembly mode in the scheme design process of automatic assembly, namely, the assembly part with a threaded mounting hole and larger size is fixed, the smaller workpiece with the rod-shaped externally-threaded workpiece to be mounted is rotated, and the mode imitates the human screw screwing mode, so that the assembly can be completed in theory, but the assembly efficiency is lower, the assembly mechanism design is complex, and the cost is high.
Disclosure of Invention
In order to solve the problems, the utility model provides an automatic tightening assembly device for a rod-shaped externally-threaded workpiece, which is used for applying force downwards to a rod piece, and the rod piece and the bottom part are assembled by rotating the bottom part, so that the assembly efficiency is high.
An automatic tightening assembly device for a rod-shaped externally threaded workpiece, comprising:
a workbench comprising a bottom supporting surface and an upward protruding vertical plate;
a servo rotary table;
the base of the component clamp is fixedly arranged on the turntable of the servo turntable, and a pair of clamping jaws of the component clamp are used for clamping the bottom position of a bottom component to be assembled;
a pressing cylinder;
pressing down the sliding table;
at least two sets of clamps;
the lower output end of the pressing cylinder is fixedly connected with the upper end of the pressing sliding table, the back of the pressing sliding table is embedded in the linear track, corresponding groups of clamps are sequentially arranged on the front end surface of the pressing sliding table along the height direction, and each group of clamps respectively clamps the height direction position of the rod-shaped externally-threaded workpiece;
the central shaft formed by each group of clamps in the clamping state and the central shaft of the threaded hole to be assembled of the bottom part to be assembled are coaxially arranged, and the central shaft of the threaded hole to be assembled and the central rotating shaft of the servo rotating platform are coaxially arranged.
It is further characterized by:
the device also comprises an auxiliary mounting rack, the back of the auxiliary mounting rack is fixedly arranged on the front end surface of the upper convex vertical plate, the upper part of the front end surface of the auxiliary mounting rack is fixedly provided with the lower pressure cylinder, the lower part of the front end surface of the auxiliary mounting rack is provided with a linear rail, and the back of the lower pressing sliding table is embedded in the linear rail and is movably arranged;
the lower output end of the lower pressing cylinder is fixedly connected with the upper end of the lower pressing sliding table through a linear elastic assembly.
After the utility model is adopted, a plurality of groups of clamps respectively clamp corresponding positions of the workpieces in the height direction, the lower pressing cylinder stretches out to drive the lower pressing sliding table and the workpieces to move downwards, the component clamps are arranged on the servo rotating table, after the component clamps clamp the bottom component to be assembled, the rotating center of the servo rotating table is concentric with the thread mounting hole of the assembly component, the servo rotating table rotates to drive the bottom component to be assembled to rotate around the center of the thread mounting hole of the servo rotating table, the workpieces with external threads are pressed downwards and can be automatically aligned into the threaded holes, and the threaded parts are automatically screwed into the threaded holes along with the lower pressing force of the cylinder and the rotation of the assembly component around the threaded holes; the device rotates the original fixed relatively large part at the bottom to be assembled, so that the rod-shaped externally threaded workpiece can be threaded only by receiving a downward driving force; the rod piece is forced downwards, the rod piece and the bottom part are assembled through the rotation of the bottom part, and the assembly efficiency is high.
Drawings
FIG. 1 is a schematic view of an assembled structure to which the present utility model is applied;
FIG. 2 is a schematic diagram of the apparatus of the present utility model;
fig. 3 is a schematic diagram of a linear elastic assembly of the present application.
Detailed Description
An automatic tightening assembly device for a rod-shaped externally threaded workpiece, see fig. 2 and 3, comprises a workbench 10, a servo rotary table 20, a part clamp 30, a pressing cylinder 40, a pressing sliding table 50 and two groups of clamps;
the workbench 10 comprises a bottom supporting surface 11 and an upper convex vertical plate 12;
the base 31 of the component clamp 30 is fixedly mounted on the turntable of the servo turntable 20, and a pair of clamping jaws 32 of the component clamp 30 are used for clamping the bottom position of the bottom component to be assembled;
the two groups of clamps are specifically an upper clamp 60 and a lower clamp 70, and the upper clamp 60 and the lower clamp 70 are arranged at intervals in the height direction;
the lower output end of the pressing cylinder 40 is fixedly connected with the upper end of the pressing sliding table 50, the back of the pressing sliding table 50 is embedded in a linear track (which is the prior art and is shielded), the front end surface of the pressing sliding table 50 is sequentially provided with an upper clamp 60 and a lower clamp 70 along the height direction, and each group of clamps respectively clamps the height direction position of the rod-shaped externally-threaded workpiece 1;
the center axes of the rod-shaped externally threaded workpiece 1 held by the upper jig 60 and the lower jig 70 in the held state and the center axis of the screw hole 201 to be assembled of the bottom member 2 to be assembled are coaxially arranged, and the center axis of the screw hole 201 to be assembled and the center rotation axis of the servo rotation stage 20 are coaxially arranged.
The specific implementation method comprises the following steps: the auxiliary mounting rack 80 is fixedly arranged on the front end face of the upper protruding vertical plate 12, the lower pressing cylinder 40 is fixedly arranged on the upper portion of the front end face of the auxiliary mounting rack 80, a linear rail (blocked in the figure) is arranged on the lower portion of the front end face of the auxiliary mounting rack 80, and the back embedded by the lower pressing sliding table 50 is embedded in the linear rail and is movably arranged;
the lower output end of the pressing cylinder 40 is fixedly connected with the upper end of the pressing sliding table 50 through a linear elastic assembly 90.
The linear elastic assembly 90 comprises a lower protruding rod 91, a linear spring 92 and a guide hole 93, an upper large-diameter stop 94 is arranged at the upper end of the lower protruding rod 91, a lower large-diameter stop 95 is arranged at the bottom end of the lower protruding rod 91, the guide hole 93 is formed in the upper plate 51 of the lower sliding table 50, the lower portion of the upper plate 51 of the lower sliding table 50 is a cavity 52, the aperture of the guide hole 93 is equal to the outer diameter of the lower protruding rod 91, the lower large-diameter stop 95 is located in the cavity 52 of the lower sliding table 50, the linear spring 92 is sleeved on the lower protruding rod corresponding to the upper surface of the upper plate 51 and the upper large-diameter stop 94, and the linear elastic assembly 90 ensures that the buffer exists in the height direction when the rod-shaped workpiece 1 descends with external threads 101, so that hard extrusion collision cannot occur.
The working principle is as follows: the two clamps respectively clamp the corresponding positions of the workpieces in the height direction, the pressing cylinder stretches out to drive the pressing sliding table and the workpieces to move downwards, the component clamps are arranged on the servo rotating table, after the component clamps clamp the bottom component to be assembled, the rotating center of the servo rotating table is concentric with the threaded mounting hole of the assembly component, the servo rotating table rotates to drive the bottom component to be assembled to rotate around the center of the threaded mounting hole of the servo rotating table, the workpieces with external threads are pressed downwards and can automatically be aligned into the threaded holes, and the threaded parts are automatically screwed into the threaded holes along with the pressing force of the cylinder and the rotation of the assembly component around the threaded holes; the device rotates the original fixed relatively large part at the bottom to be assembled, so that the rod-shaped externally threaded workpiece can be threaded only by receiving a downward driving force; the rod piece is forced downwards, the rod piece and the bottom part are assembled by being driven by the rotation of the bottom part, the bottom part can continuously rotate and also can intermittently rotate, and the assembly efficiency is high.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (3)
1. An automatic tightening assembly device for a rod-shaped externally threaded workpiece, comprising:
a workbench comprising a bottom supporting surface and an upward protruding vertical plate;
a servo rotary table;
the base of the component clamp is fixedly arranged on the turntable of the servo turntable, and a pair of clamping jaws of the component clamp are used for clamping the bottom position of a bottom component to be assembled;
a pressing cylinder;
pressing down the sliding table;
at least two sets of clamps;
the lower output end of the pressing cylinder is fixedly connected with the upper end of the pressing sliding table, the back of the pressing sliding table is embedded in the linear track, corresponding groups of clamps are sequentially arranged on the front end surface of the pressing sliding table along the height direction, and each group of clamps respectively clamps the height direction position of the rod-shaped externally-threaded workpiece;
the central shaft formed by each group of clamps in the clamping state and the central shaft of the threaded hole to be assembled of the bottom part to be assembled are coaxially arranged, and the central shaft of the threaded hole to be assembled and the central rotating shaft of the servo rotating platform are coaxially arranged.
2. An automatic tightening assembly device for a rod-shaped externally threaded workpiece according to claim 1, wherein: the novel lifting device comprises a lifting vertical plate, and is characterized by further comprising an auxiliary mounting frame, wherein the back of the auxiliary mounting frame is fixedly arranged on the front end face of the lifting vertical plate, the upper part of the front end face of the auxiliary mounting frame is fixedly provided with a pressing cylinder, the lower part of the front end face of the auxiliary mounting frame is provided with a linear rail, and the back embedded by the pressing sliding table is embedded in the linear rail and is movably arranged.
3. An automatic tightening assembly device for a rod-shaped externally threaded workpiece according to claim 2, wherein: the lower output end of the lower pressing cylinder is fixedly connected with the upper end of the lower pressing sliding table through a linear elastic assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320903377.2U CN219504683U (en) | 2023-04-21 | 2023-04-21 | Automatic tightening assembly device for rod-shaped externally-threaded workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320903377.2U CN219504683U (en) | 2023-04-21 | 2023-04-21 | Automatic tightening assembly device for rod-shaped externally-threaded workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219504683U true CN219504683U (en) | 2023-08-11 |
Family
ID=87549512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320903377.2U Active CN219504683U (en) | 2023-04-21 | 2023-04-21 | Automatic tightening assembly device for rod-shaped externally-threaded workpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219504683U (en) |
-
2023
- 2023-04-21 CN CN202320903377.2U patent/CN219504683U/en active Active
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