CN216634425U - Opening angle adjustable asymmetric grabbing mechanism - Google Patents
Opening angle adjustable asymmetric grabbing mechanism Download PDFInfo
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- CN216634425U CN216634425U CN202123260536.1U CN202123260536U CN216634425U CN 216634425 U CN216634425 U CN 216634425U CN 202123260536 U CN202123260536 U CN 202123260536U CN 216634425 U CN216634425 U CN 216634425U
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- clamping jaw
- cylindrical rack
- opening angle
- asymmetric
- cylinder
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Abstract
The utility model relates to an opening angle adjustable asymmetric grabbing mechanism which comprises a working platform, an air cylinder, a cylindrical rack, a large gear, a small gear, an installation vertical seat, a first clamping jaw and a second clamping jaw, wherein the air cylinder, the cylindrical rack and the installation vertical seat are all arranged on the working platform, the cylindrical rack is driven by the air cylinder to move, the installation vertical seat is arranged on one side of the cylindrical rack, the large gear and the small gear are all arranged on the installation vertical seat, the lower side of the large gear is meshed with the cylindrical rack, the small gear is meshed with one side of the large gear, the large gear is coaxially and fixedly connected with the lower end of the first clamping jaw, and the small gear is coaxially and fixedly connected with the lower end of the second clamping jaw. The utility model can realize the asymmetric grabbing of workpieces, increases the grabbing range of the clamping jaw, realizes the adjustment of the opening angle of the clamping jaw by controlling the stroke of the air cylinder, and is suitable for grabbing workpieces with different specifications.
Description
Technical Field
The utility model relates to an asymmetric grabbing mechanism with an adjustable opening angle.
Background
In recent years, with the development of intelligent manufacturing technology, automation upgrading of traditional operation has become a great trend, various automation technologies have come to the end, and in more typical fields such as part processing, assembly, stacking and the like, a robot is required to grab workpieces, and in the face of workpieces with different specifications, the robot clamping jaws are various in types and numerous in series, and most clamping jaws are small in variable stroke and narrow in application range.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an opening angle adjustable asymmetric grabbing mechanism, which can realize asymmetric grabbing of workpieces through the matching action of a large gear, a small gear and a cylindrical rack, enlarge the grabbing range of a clamping jaw, realize the adjustment of the opening angle of the clamping jaw through controlling the stroke of an air cylinder, and is suitable for grabbing workpieces of different specifications.
The purpose of the utility model is realized by the following technical scheme:
the utility model provides an opening angle adjustable asymmetric mechanism of snatching, includes work platform, cylinder rack, gear wheel, pinion, the upright seat of installation, first clamping jaw and second clamping jaw, and wherein cylinder, cylinder rack and the upright seat of installation all locate work platform is last, and the cylinder rack passes through the cylinder drive removes, and the upright seat of installation is located cylinder rack one side, gear wheel and pinion all locate on the upright seat of installation, and the gear wheel downside with cylinder rack toothing, pinion and gear wheel one side meshing, the gear wheel links firmly with first clamping jaw lower extreme is coaxial, the pinion links firmly with the second clamping jaw lower extreme is coaxial.
The working platform is provided with a first support and a second support, and oil-free bushes are arranged inside the first support and inside the second support and sleeved on corresponding end portions of the cylindrical racks.
The cylindrical rack is provided with a rack part meshed with the gear wheel, and the part of the cylindrical rack matched with the oilless bushing is an optical axis.
The cylinder output shaft through connect with cylinder rack one end links firmly, the cylinder rack other end is equipped with the stop pin, work platform keeps away from cylinder one end is equipped with the stopper, just the cylinder rack passes through the stop pin with the stopper offsets spacingly.
The limiting block is fixed on the working platform through bolts, a plurality of groups of screw holes are formed in the working platform, and the bolts are inserted into the corresponding group of screw holes when the position of the limiting block is determined.
The large gear is installed on a large gear shaft, the lower end of the first clamping jaw is fixedly connected with the large gear shaft, the small gear is installed on a small gear shaft, and the lower end of the second clamping jaw is fixedly connected with the small gear shaft.
The rear ends of the large gear shaft and the small gear shaft are rotatably arranged on the vertical mounting base through bearing supports and are locked through locking rings.
The upper end of the first clamping jaw and the upper end of the second clamping jaw are both provided with clamping openings matched with the appearance of a workpiece.
The utility model has the advantages and positive effects that:
1. the utility model can realize the asymmetrical grabbing of the workpiece by the matching action of the large gear, the small gear and the cylindrical rack, enlarge the grabbing range of the clamping jaw and solve the problems of small stroke and multiple series of the traditional clamping jaw.
2. The utility model realizes the adjustment of the opening angle of the clamping jaw by controlling the stroke of the air cylinder, is suitable for grabbing workpieces with different specifications, and improves the application range of the utility model.
3. The utility model can change the telescopic stroke of the cylinder by adjusting the position of the limit block, thereby further adjusting the opening and closing range of the clamping jaw.
Drawings
Figure 1 is a schematic structural view of the present invention,
figure 2 is a schematic view of the first jaw and the second jaw of figure 1 open,
figure 3 is a schematic view of the meshing of the bull gear, pinion gear and cylindrical rack of figure 1,
fig. 4 is a schematic view of the bull and pinion gear mounting of fig. 3.
The device comprises a working platform 1, a cylinder 2, a joint 3, a first support 4, an oilless bushing 5, a cylindrical rack 6, a rack portion 601, a second support 7, a stop pin 8, a limit block 9, a mounting vertical base 10, a large gear 11, a small gear 12, a small gear shaft 13, a bearing 14, a locking ring 15, a first clamping jaw 16, a second clamping jaw 17, a workpiece 18 and a large gear shaft 19.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 4, the clamping device comprises a working platform 1, a cylinder 2, a cylindrical rack 6, a gearwheel 11, a pinion 12, an installation vertical seat 10, a first clamping jaw 16 and a second clamping jaw 17, wherein the cylinder 2, the cylindrical rack 6 and the installation vertical seat 10 are all arranged on the working platform 1, the cylindrical rack 6 is driven by the cylinder 2 to move, the installation vertical seat 10 is arranged on one side of the cylindrical rack 6, the gearwheel 11 and the pinion 12 are both arranged on the installation vertical seat 10, the lower side of the gearwheel 11 is meshed with the cylindrical rack 6, the pinion 12 is meshed with one side of the gearwheel 11, the gearwheel 11 is coaxially and fixedly connected with the lower end of the first clamping jaw 16, and the pinion 12 is coaxially and fixedly connected with the lower end of the second clamping jaw 17. When the clamping device works, the cylindrical rack 6 is driven by the cylinder 2 to reciprocate and drive the large gear 11 to rotate, the large gear 11 simultaneously drives the small gear 12 to synchronously rotate in the opposite direction, and further drives the first clamping jaw 16 and the second clamping jaw 17 to open and close to clamp a workpiece 18.
As shown in fig. 1, be equipped with first support 4 and second support 7 on work platform 1, just inside and the inside oilless bush 5 suit that all is equipped with of second support 7 of first support 4 in the corresponding tip of cylinder rack 6, two oilless bushes 5 are right cylinder rack 6 plays the support guide effect to guarantee that cylinder rack 6 removes smoothly. The oilless bushing 5 is well known in the art.
As shown in fig. 1, the output shaft of the cylinder 2 is fixedly connected with one end of the cylindrical rack 6 through the joint 3, the other end of the cylindrical rack 6 is provided with a stop pin 8 and a limit protrusion, the end of the working platform 1, which is far away from the cylinder 2, is provided with a limit block 9, the stop pin 8 abuts against the limit block 9 to limit the maximum range of forward movement of the cylindrical rack 6, and the limit protrusion abuts against the second support 7 when the cylindrical rack 6 retreats to prevent the front end of the cylindrical rack 6 from separating from the second support 7. The limiting block 9 plays a limiting role, is fixed on the working platform 1 through bolts, and can properly adjust the position of the working platform as required.
As shown in fig. 4, the large gear 11 is mounted on a large gear shaft 19, the lower end of the first clamping jaw 16 is fixedly connected with the large gear shaft 19, the small gear 12 is mounted on a small gear shaft 13, the lower end of the second clamping jaw 17 is fixedly connected with the small gear shaft 13, and the rear end of the large gear shaft 19 and the rear end of the small gear shaft 13 are both rotatably mounted on the mounting vertical base 10 through bearings 14 and are both locked through a locking ring 15. The locking ring 15 is well known in the art.
As shown in fig. 1, the upper end of the first clamping jaw 16 and the upper end of the second clamping jaw 17 are both provided with clamping openings matched with the shape of the workpiece 18, as shown in fig. 3, a rack portion 601 meshed with the gearwheel 11 is arranged on the cylindrical rack 6, and the part of the cylindrical rack 6 matched with the oilless bushing 5 is an optical axis to realize movement.
The working principle of the utility model is as follows:
the utility model comprises two working states during working, the first is a clamping jaw opening state, as shown in figure 2, when materials are supplied, the cylinder 2 retracts, because the cylindrical rack 6 is connected with a cylinder rod of the cylinder 2 through the joint 3, the cylindrical rack 6 moves rightwards, the two oilless bushings 5 play a role in guiding and supporting, and because the large gear 11 and the cylindrical rack 6 have a meshing relationship, the large gear 11 rotates anticlockwise, under the driving of the large gear shaft 19, the first clamping jaw 16 also rotates anticlockwise, and similarly, the large gear 11 and the small gear 12 have a meshing relationship, the small gear 12 rotates clockwise, and drives the second clamping jaw 17 to rotate clockwise, the rotating range of the two depends on the telescopic stroke of the cylinder 2 and the gear ratio between the large gear 11 and the small gear 12, the opening and closing angle of the first clamping jaw 16 and the second clamping jaw 17 can be controlled by controlling the telescopic stroke of the cylinder 2, thus, the workpiece 18 can be adjusted according to different workpieces 18, and the workpiece 18 has a larger range to be gripped under the opening state of the asymmetric clamping jaw.
The second type is a clamping jaw clamping state, as shown in fig. 1, the cylinder 2 extends out, the cylindrical rack 6 moves leftwards, the two oilless bushes 5 play guiding and supporting roles, the gearwheel 11 rotates clockwise, the first clamping jaw 16 also rotates clockwise, the pinion 12 rotates anticlockwise, the second clamping jaw 17 also rotates anticlockwise, and the first clamping jaw 16 and the second clamping jaw 17 clamp the workpiece 18 tightly.
The limiting block 9 plays a limiting role, is fixed on the working platform 1 through bolts, and can be properly adjusted in position as required, so that the telescopic range of the cylinder 2 is further adjusted. When the clamping jaws are empty, the stop pin 8 collides with the stop block 9, the cylindrical rack 6 stops moving, the large gear 11 and the small gear 12 stop rotating, and the first clamping jaw 16 and the second clamping jaw 17 stop acting before colliding with each other.
Claims (8)
1. The utility model provides an opening angle adjustable asymmetric mechanism of snatching which characterized in that: including work platform (1), cylinder (2), cylindrical rack (6), gear wheel (11), pinion (12), installation founds seat (10), first clamping jaw (16) and second clamping jaw (17), wherein cylinder (2), cylindrical rack (6) and installation found seat (10) and all locates on work platform (1), and cylindrical rack (6) pass through cylinder (2) drive removes, and the installation founds seat (10) and locates cylindrical rack (6) one side, gear wheel (11) and pinion (12) all locate on the installation founds seat (10), and gear wheel (11) downside with cylindrical rack (6) meshing, pinion (12) and gear wheel (11) one side meshing, gear wheel (11) and first clamping jaw (16) lower extreme are coaxial to be linked firmly, pinion (12) and second clamping jaw (17) lower extreme are coaxial to be linked firmly.
2. The asymmetric grabbing mechanism with the adjustable opening angle of claim 1, wherein: be equipped with first support (4) and second support (7) on work platform (1), just inside and the inside oilless bush (5) suit that all is equipped with of second support (7) of first support (4) in the corresponding tip of cylindrical rack (6).
3. The asymmetric grabbing mechanism with the adjustable opening angle of claim 2, wherein: the oil-free cylinder is characterized in that a rack portion (601) meshed with the large gear (11) is arranged on the cylindrical rack (6), and the cylindrical rack (6) and the part matched with the oil-free bushing (5) are optical axes.
4. The asymmetric grabbing mechanism with the adjustable opening angle of claim 1, wherein: the air cylinder (2) output shaft is fixedly connected with one end of the cylindrical rack (6) through the connector (3), the other end of the cylindrical rack (6) is provided with a stop pin (8), the working platform (1) is far away from one end of the air cylinder (2) and is provided with a stop block (9), and the cylindrical rack (6) is abutted and limited through the stop pin (8) and the stop block (9).
5. The asymmetric grabbing mechanism with the adjustable opening angle of claim 4, wherein: the limiting block (9) is fixed on the working platform (1) through bolts, a plurality of groups of screw holes are formed in the working platform (1), and the limiting block (9) is fixed in a corresponding group of screw holes through bolts when the position is determined.
6. The asymmetric grabbing mechanism with the adjustable opening angle of claim 1, wherein: the large gear (11) is installed on a large gear shaft (19), the lower end of the first clamping jaw (16) is fixedly connected with the large gear shaft (19), the small gear (12) is installed on a small gear shaft (13), and the lower end of the second clamping jaw (17) is fixedly connected with the small gear shaft (13).
7. The asymmetric grabbing mechanism with the adjustable opening angle of claim 6, wherein: the rear ends of the large gear shaft (19) and the small gear shaft (13) are supported by a bearing (14) to be rotatably mounted on the mounting vertical base (10) and locked by a locking ring (15).
8. The asymmetric grabbing mechanism with the adjustable opening angle of claim 1, wherein: the upper end of the first clamping jaw (16) and the upper end of the second clamping jaw (17) are respectively provided with a clamping opening matched with the shape of a workpiece (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123260536.1U CN216634425U (en) | 2021-12-23 | 2021-12-23 | Opening angle adjustable asymmetric grabbing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123260536.1U CN216634425U (en) | 2021-12-23 | 2021-12-23 | Opening angle adjustable asymmetric grabbing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216634425U true CN216634425U (en) | 2022-05-31 |
Family
ID=81743943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123260536.1U Active CN216634425U (en) | 2021-12-23 | 2021-12-23 | Opening angle adjustable asymmetric grabbing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216634425U (en) |
-
2021
- 2021-12-23 CN CN202123260536.1U patent/CN216634425U/en active Active
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