CN218503751U - Positioning mechanism for concentrically positioning two workpieces - Google Patents
Positioning mechanism for concentrically positioning two workpieces Download PDFInfo
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- CN218503751U CN218503751U CN202222938205.7U CN202222938205U CN218503751U CN 218503751 U CN218503751 U CN 218503751U CN 202222938205 U CN202222938205 U CN 202222938205U CN 218503751 U CN218503751 U CN 218503751U
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Abstract
The utility model relates to a positioning mechanism for two work pieces concentric positioning, including base, cylinder, movable rod, two connecting rods and two movable pins, the movable rod is connected in the base in a sliding manner, and one end is connected with the cylinder output end, the other end of the movable rod is hinged with the two connecting rods through a pin shaft, one end of the two connecting rods far away from the movable rod is respectively hinged with the two movable pins, and the movable pins are connected on the base in a sliding manner; the two workpieces are respectively connected to the two movable pins. The positioning mechanism can synchronously position two workpieces to be positioned.
Description
Technical Field
The utility model relates to a positioning mechanism of two work pieces location with one heart belongs to product positioning mechanism technical field.
Background
For structures such as automobile motor brackets and auxiliary frames which need double-lifting-lug installation, workpieces such as two lifting lugs need to be concentrically positioned and then welded; however, the existing positioning mechanism is difficult to ensure the concentricity of the two workpieces.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the problem that exists among the prior art, provide one kind and can treat two work pieces of location and carry out the mechanism of synchronous positioning.
In order to achieve the above object, the utility model provides a technical scheme does: a positioning mechanism for concentrically positioning two workpieces comprises a base, an air cylinder, a movable rod, two connecting rods and two movable pins, wherein the movable rod is connected in the base in a sliding mode, one end of the movable rod is connected with the output end of the air cylinder, the other end of the movable rod is hinged to the two connecting rods through a pin shaft, one end, far away from the movable rod, of each connecting rod is hinged to the two movable pins respectively, and the movable pins are connected to the base in a sliding mode; the two workpieces are respectively connected to the two movable pins.
The technical scheme is further designed as follows: the base bottom is equipped with first mating holes, movable rod sliding connection is in first mating holes.
And a bushing is arranged in the first matching hole in an interference fit manner, and is sleeved on the movable rod and is in sliding connection with the movable rod.
The base bottom is equipped with first mounting hole near first cooperation hole department, be equipped with the through-hole with first mounting hole department of corresponding on the casing of cylinder, the cylinder passes the first mounting hole of spiro union after the through-hole through the bolt and fixes on the base.
And second matching holes are respectively formed in two sides of the base, and the movable pin is connected in the second matching holes in a sliding manner.
And a bushing is arranged in the second matching hole in an interference fit manner, and is sleeved on the movable pin and is in sliding connection with the movable pin.
The base is provided with a second mounting hole close to the second matching hole, the second mounting hole is connected with a supporting block, a through hole is formed in the position, corresponding to the first mounting hole, of the supporting block, and the supporting block is fixed on the base in a threaded mode after penetrating through the through hole through a bolt; the center of the supporting block is provided with a sliding hole, and the end part of the movable pin penetrates through the sliding hole and is in sliding connection with the sliding hole.
The base top is equipped with the third mounting hole, be connected with the switching piece on the third mounting hole, the switching piece is equipped with the through-hole with third mounting hole department of corresponding, and the switching piece passes behind the through-hole spiro union third mounting hole through the bolt and fixes on the base.
The bottom of the switching block is provided with a limiting block.
And a fourth mounting hole is formed in the side surface of the base.
The beneficial effects of the utility model reside in that:
the utility model discloses in, with the round pin axle of two connecting rods corresponding to the center department of two work piece locating position, the cylinder output shaft is movable from top to bottom, drives the movable rod and slides along the base, and the movable rod drives two connecting rod motions through the round pin axle, and two connecting rods drive two movable pin synchronous motion to realize the concentric location of two work pieces.
Drawings
FIG. 1 is a schematic structural view of a positioning mechanism for concentrically positioning two workpieces;
FIG. 2 is a schematic view of the structure of FIG. 1 with the base removed;
FIG. 3 is a schematic view of the structure of FIG. 2 with the bushing removed;
FIG. 4 is a schematic view of two connecting rods and two movable pins;
FIG. 5 is a first schematic view of the base structure;
FIG. 6 is a second schematic view of the base structure;
in the figure: the device comprises a cylinder 1, a connector 11, a base 2, a first matching hole 21, a second matching hole 22, a first mounting hole 23, a second mounting hole 24, a third mounting hole 25, a fourth mounting hole 26, a supporting block 3, a transfer block 4, a limiting block 5, a bushing 6, a movable rod 7, a connecting rod 8, a pin shaft 81 and a movable pin 9.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Example one
As shown in fig. 1, the positioning mechanism for concentrically positioning two workpieces of this embodiment includes a cylinder 1, a base 2, a movable rod 7, two connecting rods 8 and two movable pins 9, the cylinder 1 is fixed at the bottom of the base 2, an output end of the cylinder 1 is connected with one end of the movable rod 7, the movable rod 7 is slidably connected with the base 2 and slides relative to the base 2 under the driving of the cylinder 1, the other end of the movable rod 7 is hinged to the two connecting rods 8 through a pin 81, one ends of the two connecting rods 8, which are far away from the movable rod 7, are respectively hinged to the two movable pins 9, as shown in fig. 4, the movable pins 9 are slidably connected to the base 2; in the embodiment, the pin shaft 81 between the two connecting rods 8 corresponds to the center of the positioning position of the two workpieces, the output shaft of the air cylinder 1 moves up and down to drive the movable rod 7 to slide along the base 2, the movable rod 7 drives the two connecting rods 8 to move through the pin shaft, the two connecting rods 8 drive the two movable pins 9 to synchronously move, and the two workpieces are respectively connected to the two movable pins 9, so that the two workpieces are positioned concentrically, and can be welded after being positioned, and the concentricity of the workpieces is ensured.
Example two
The positioning mechanism for concentrically positioning two workpieces in this embodiment has substantially the same structure as the first embodiment, except that: referring to fig. 5 and 6, a first fitting hole 21 is formed in the bottom of the base 2 in this embodiment, a bushing 6 is fitted in the first fitting hole 21 in an interference fit manner, and the bushing 6 is sleeved on the movable rod 7 and is slidably connected with the movable rod 7.
The bottom of the base 2 is provided with a first mounting hole 23 near the first fitting hole 21, a through hole is formed in a position, corresponding to the first mounting hole 23, of the shell of the cylinder 1, and the cylinder 1 is fixed on the base 2 through the first mounting hole in a threaded manner after penetrating through the through hole through a bolt.
The two sides of the base 2 are respectively provided with a second matching hole 22, a bushing 6 is arranged in the second matching hole 22 in an interference fit manner, and the bushing 6 is sleeved on the movable pin 9 and is in sliding connection with the movable pin 9, as shown in fig. 2.
The output end of the cylinder 1 is connected with the movable rod 7 through a connector 11, as shown in fig. 3.
A second mounting hole 24 is formed in the position, close to the second matching hole 22, of the base 2, a supporting block 3 is connected to the second mounting hole 24, a through hole is formed in the position, corresponding to the first mounting hole 24, of the supporting block 3, and the supporting block 3 penetrates through the through hole through a bolt and then is fixed to the base 2 in a threaded mode through the second mounting hole; the center of the supporting block 3 is provided with a sliding hole matched with the diameter of the end part of the movable pin 9, and the end part of the movable pin 9 passes through the sliding hole and is in sliding connection with the sliding hole, so that the up-and-down swing of the movable pin is limited, and the movable pin can only do sliding motion along the second matching hole 22, as shown in fig. 2.
Referring to fig. 1, a third mounting hole 25 is formed in the top of the base 2, a transfer block 4 is connected to the third mounting hole 25, a through hole is formed in a position, corresponding to the third mounting hole, of the transfer block 4, the transfer block 4 penetrates through the through hole through a bolt and then is fixed to the base 3 in a threaded mode through the third mounting hole, and the transfer block is used for being connected with the center of the positioning position of the two workpieces. The bottom of the switching block 4 is provided with a limiting block 5 for limiting the moving space of the movable rod 7 and preventing the two workpieces from interfering with each other due to the overlarge moving space.
The side surface of the base 2 is provided with a fourth mounting hole 26 for fixing the positioning mechanism on the fixed seat, so that the displacement in the positioning process is prevented.
The technical scheme of the utility model is not limited to above-mentioned each embodiment, and the technical scheme that all adopt to equate substitution mode to obtain all falls the utility model discloses the within range that claims.
Claims (10)
1. A positioning mechanism for concentrically positioning two workpieces is characterized in that: the device comprises a base, an air cylinder, a movable rod, two connecting rods and two movable pins, wherein the movable rod is connected in the base in a sliding mode, one end of the movable rod is connected with the output end of the air cylinder, the other end of the movable rod is hinged with the two connecting rods through a pin shaft, one ends of the two connecting rods, far away from the movable rod, are hinged with the two movable pins respectively, and the movable pins are connected to the base in a sliding mode; the two workpieces are connected to the two movable pins respectively.
2. A positioning mechanism for concentrically positioning two workpieces as recited in claim 1, wherein: the base bottom is equipped with first mating holes, movable rod sliding connection is in first mating holes.
3. A positioning mechanism for concentrically positioning two workpieces as recited in claim 2, wherein: and a bushing is arranged in the first matching hole in an interference fit manner, and the bushing is sleeved on the movable rod and is connected with the movable rod in a sliding manner.
4. A positioning mechanism for concentrically positioning two workpieces as recited in claim 3, wherein: the base bottom is equipped with first mounting hole near first cooperation hole department, be equipped with the through-hole with first mounting hole department of corresponding on the casing of cylinder, the cylinder passes the first mounting hole of spiro union after the through-hole through the bolt and fixes on the base.
5. A positioning mechanism for concentrically positioning two workpieces as recited in claim 1, wherein: and second matching holes are respectively formed in two sides of the base, and the movable pin is connected in the second matching holes in a sliding manner.
6. A positioning mechanism for concentrically positioning two workpieces as recited in claim 5, wherein: and a bushing is arranged in the second matching hole in an interference fit manner, and is sleeved on the movable pin and is in sliding connection with the movable pin.
7. A positioning mechanism for concentrically positioning two workpieces as recited in claim 6, wherein: the base is provided with a second mounting hole close to the second matching hole, the second mounting hole is connected with a supporting block, a through hole is formed in the position, corresponding to the first mounting hole, of the supporting block, and the supporting block is fixed on the base in a threaded mode after penetrating through the through hole through a bolt; the center of the supporting block is provided with a sliding hole, and the end part of the movable pin penetrates through the sliding hole and is in sliding connection with the sliding hole.
8. A positioning mechanism for concentrically positioning two workpieces as recited in claim 1, wherein: the base top is equipped with the third mounting hole, be connected with the switching piece on the third mounting hole, the switching piece is equipped with the through-hole with third mounting hole department of corresponding, and the switching piece passes behind the through-hole spiro union third mounting hole through the bolt and fixes on the base.
9. A positioning mechanism for concentrically positioning two workpieces as recited in claim 8, wherein: the bottom of the switching block is provided with a limiting block.
10. A positioning mechanism for concentrically positioning two workpieces as recited in claim 9, wherein: and a fourth mounting hole is formed in the side surface of the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222938205.7U CN218503751U (en) | 2022-11-04 | 2022-11-04 | Positioning mechanism for concentrically positioning two workpieces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222938205.7U CN218503751U (en) | 2022-11-04 | 2022-11-04 | Positioning mechanism for concentrically positioning two workpieces |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218503751U true CN218503751U (en) | 2023-02-21 |
Family
ID=85219438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222938205.7U Active CN218503751U (en) | 2022-11-04 | 2022-11-04 | Positioning mechanism for concentrically positioning two workpieces |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218503751U (en) |
-
2022
- 2022-11-04 CN CN202222938205.7U patent/CN218503751U/en active Active
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