CN213976053U - Mechanical holding device with large suction force and small release force - Google Patents
Mechanical holding device with large suction force and small release force Download PDFInfo
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- CN213976053U CN213976053U CN202022411829.4U CN202022411829U CN213976053U CN 213976053 U CN213976053 U CN 213976053U CN 202022411829 U CN202022411829 U CN 202022411829U CN 213976053 U CN213976053 U CN 213976053U
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- wall body
- suction
- holding device
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Abstract
The utility model discloses a big suction small power release mechanical holding device, its simple structure easily realizes, the effect of sucker is through hugging closely and adsorbing the adsorbed body, the setting of intercommunication passageway is convenient for communicate between sucker adsorption chamber and the sleeve inner chamber, the supporting seal rod can axially move in the sleeve, so that whether control shelters from the air vent, can control whether the air vent communicates with each other with the intercommunication passageway through the sleeve inner chamber, namely whether control sucker adsorption chamber keeps the negative pressure state, its control is convenient, pure mechanical design, the cost is lower; the inner diameter of the sleeve is smaller than the caliber of the adsorption port of the sucker, so that when vacuum is broken, the force required by pulling the supporting sealing rod backwards relative to the sleeve is smaller than the force required by directly pulling the sucker to be separated from the adsorbed body through the sleeve, the effect of large suction and small force release is realized, and the practicability is good.
Description
Technical Field
The utility model relates to a mechanical holding device with large suction and small power release.
Background
At present, in automated industrial production, a robot is widely used in various kinds of assembly line equipment or devices for performing operations of moving objects, sucking workpieces, and the like. The existing sucker type manipulator generally adopts a mode of combining a vacuum sucker and an air cylinder, the vacuum sucker arranged at the lower end of the air cylinder forms negative pressure through a vacuum device to realize the suction of objects, and the telescopic motion of the air cylinder realizes the working process of the movement of the objects. Because the sucking disc needs negative pressure, the vacuum pump or the vacuum generator of the device generating the negative pressure consumes energy seriously, various pipelines outside the vacuum sucking disc and the sucking disc are arranged on the cylinder, so that the complexity of the device is greatly increased, the volume of the manipulator is increased, and the operation efficiency is reduced; in addition, the existing large-suction mechanical sucker needs large force during vacuum breaking, and the vacuum breaking is troublesome.
Therefore, how to overcome the above-mentioned drawbacks has become an important issue to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes the technical defects and provides a mechanical holding device with large suction force and small power release.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a mechanical holding device with large suction force and small release force comprises a supporting sealing rod 1, wherein one end of the supporting sealing rod 1 is sleeved with a sleeve 2 capable of axially moving, the other end of the sleeve 2 is connected with a sucker body 3, a communicating channel 4 is arranged between an adsorption cavity of the sucker body 3 and an inner cavity of the sleeve 2, the side wall of the supporting sealing rod 1 is provided with an axially extending stroke limiting groove 11, the outer side wall of the sleeve 2 is provided with a pin hole 21 for extending a pin 5 into the stroke limiting groove 11 for matching limiting and a vent hole 22 for communicating with the inner side wall of the sleeve 2, when the supporting sealing rod 1 does not shield the vent hole 22, the communication channel 4 is communicated with the vent hole 22 through the inner cavity of the sleeve 2, otherwise, the communication channel 4 is not communicated with the vent hole 22, and the inner diameter of the sleeve 2 is smaller than the caliber of an adsorption opening of the suction cup body 3.
Preferably, the suction cup body 3 is provided with a suction cup rear wall body 31 which is used for being in contact with the sleeve 2, the sleeve 2 is provided with a sleeve front wall body 23 which is used for being in contact with the suction cup rear wall body 31, the suction cup rear wall body 31 is fixedly connected with the sleeve front wall body 23 through screws, the communication channel 4 comprises a front section channel 41 which is arranged in the suction cup rear wall body 31 and a rear section channel 42 which is arranged in the sleeve front wall body 23, and the inner diameter of the rear section channel 42 is smaller than the inner diameter of the sleeve 2.
Preferably, at least 3 first screw holes 311 are circumferentially arranged on the suction cup rear wall body 31, a plurality of second screw holes 231 corresponding to the first screw holes 311 in number and position are circumferentially arranged on the sleeve front wall body 23, and the suction cup rear wall body 31 is fixedly connected with the sleeve front wall body 23 through screws passing through the first screw holes 311 and the second screw holes 231.
Preferably, the outer side wall of the front end of the supporting sealing rod 1 is provided with an annular groove 12, the annular groove 12 is sleeved with the sealing ring 6,
preferably, the rear end of the supporting sealing rod 1 is connected with a connecting block 7 which is convenient for pushing and pulling the supporting sealing rod 1.
Preferably, the connecting block 7 is fixedly connected with the supporting sealing rod 1 through a screw.
Preferably, the vent hole 22 is closer to the suction cup body 3 than the pin hole 21.
Compared with the prior art, this practical beneficial effect is:
1. the suction cup is simple in structure and easy to realize, the suction cup body is used for sucking an adsorbed body by clinging to the suction cup body, the communication channel is arranged to facilitate communication between the suction cup body suction cavity and the inner cavity of the sleeve, the supporting sealing rod can axially move in the sleeve to facilitate control on whether the vent hole is shielded, namely whether the vent hole is communicated with the communication channel through the inner cavity of the sleeve or not can be controlled, namely whether the suction cup body suction cavity keeps a negative pressure state or not is controlled, the control is convenient, the suction cup body suction cavity is designed purely mechanically, and the cost is low; the inner diameter of the sleeve is smaller than the caliber of the adsorption port of the sucker, so that when vacuum is broken, the force required for pulling the supporting sealing rod backwards relative to the sleeve is smaller than the force required for directly pulling the sucker to be separated from the adsorbed body through the sleeve, the effect of large suction and small force release is favorably realized, and the practicability is good.
2. According to the scheme, the sucking disc rear wall body is fixedly connected with the sleeve front wall body through screws, so that the sucking disc body is firmly connected with the sleeve; and the inner diameter of the rear section passage is smaller than that of the sleeve, so that the adsorption area of the rear section passage to the supporting sealing rod is smaller, and when the supporting sealing rod is pulled backwards relative to the sleeve at the beginning, the starting force is not needed to be much.
Drawings
Fig. 1 is a perspective view of the present disclosure.
Fig. 2 is a sectional view taken at a-a in fig. 1.
Fig. 3 is an exploded view of the present case.
Fig. 4 is a diagram of the sleeve of the present case.
Detailed Description
The features of the present invention and other related features are described in further detail below by way of examples to facilitate understanding by those skilled in the art:
as shown in fig. 1 to 4, a mechanical holding device with large suction force and small release force comprises a supporting sealing rod 1, one end of the supporting sealing rod 1 is sleeved with a sleeve 2 capable of moving axially, the other end of the sleeve 2 is connected with a sucker body 3, a communicating channel 4 is arranged between the suction cavity of the suction cup body 3 and the inner cavity of the sleeve 2, the side wall of the supporting sealing rod 1 is provided with an axially extending stroke limiting groove 11, the outer side wall of the sleeve 2 is provided with a pin hole 21 for the pin 5 to extend into the stroke limiting groove 11 for matching limiting and a vent hole 22 for communicating with the inner side wall of the sleeve 2, when the supporting sealing rod 1 does not shield the vent hole 22, the communication channel 4 is communicated with the vent hole 22 through the inner cavity of the sleeve 2, otherwise, the communication channel 4 is not communicated with the vent hole 22, and the inner diameter of the sleeve 2 is smaller than the caliber of an adsorption opening of the suction cup body 3.
As mentioned above, the structure of the suction cup body 3 is simple and easy to realize, the suction cup body 3 can be used for sucking an object to be sucked by clinging to the suction cup body, the communication channel 4 is arranged to facilitate the communication between the suction cavity of the suction cup body 3 and the inner cavity of the sleeve 2, the supporting sealing rod 1 can axially move in the sleeve 2 to facilitate the control of whether the vent hole 22 is shielded, namely, whether the vent hole 22 is communicated with the communication channel 4 through the inner cavity of the sleeve 2, namely, whether the suction cavity of the suction cup body 3 keeps a negative pressure state is controlled, the control is convenient, the design is purely mechanical, and the cost is lower; the inner diameter of the sleeve 2 is smaller than the caliber of the adsorption port of the sucker 3, so that when vacuum is broken, the force required by pulling the supporting sealing rod 1 backwards by the sleeve 2 is smaller than the force required by directly pulling the sucker 3 to be separated from the adsorbed body by the sleeve 2, the effect of large suction and small force release can be realized, and the practicability is good.
As described above, in specific implementation, the suction cup body 3 is provided with the suction cup rear wall body 31 for contacting the sleeve 2, the sleeve 2 is provided with the sleeve front wall body 23 for contacting the suction cup rear wall body 31, the suction cup rear wall body 31 is fixedly connected with the sleeve front wall body 23 through screws, the communication passage 4 includes the front passage 41 arranged in the suction cup rear wall body 31 and the rear passage 42 arranged in the sleeve front wall body 23, and the inner diameter of the rear passage 42 is smaller than the inner diameter of the sleeve 2.
As described above, the suction cup rear wall body 31 and the sleeve front wall body 23 are fixedly connected by screws, so that the suction cup body 3 and the sleeve 2 are firmly connected; the inner diameter of the rear passage 42 is smaller than the inner diameter of the sleeve 2, so that the suction area of the rear passage 42 to the support seal rod 1 is small, and the starting force is not much needed when the support seal rod 1 is initially pulled back relative to the sleeve 2.
As described above, in practical implementation, at least 3 first screw holes 311 are circumferentially arranged on the suction cup rear wall body 31, a plurality of second screw holes 231 corresponding to the first screw holes 311 in number and position are circumferentially arranged on the sleeve front wall body 23, and the suction cup rear wall body 31 is fixedly connected with the sleeve front wall body 23 through screws passing through the first screw holes 311 and the second screw holes 231.
As described above, in specific implementation, the outer side wall of the front end of the supporting sealing rod 1 is provided with the annular groove 12, and the sealing ring 6 is sleeved in the annular groove 12, so as to facilitate sealing connection.
In practical application, as described above, the rear end of the supporting sealing rod 1 is connected with the connecting block 7 for pushing and pulling the supporting sealing rod 1.
In practice, as described above, the connecting block 7 is fixedly connected to the supporting sealing rod 1 by screws.
As described above, in practical implementation, the vent hole 22 is closer to the suction cup body 3 than the pin hole 21.
As mentioned above, the present invention protects a mechanical holding device with large suction force and small release force, and all technical solutions identical or similar to the present invention should be considered to fall within the protection scope of the present invention.
Claims (7)
1. A large-suction small-power-release mechanical holding device is characterized by comprising a supporting sealing rod (1), wherein one end of the supporting sealing rod (1) is sleeved with a sleeve (2) capable of moving axially, the other end of the sleeve (2) is connected with a sucker body (3), a communication channel (4) is arranged between an absorption cavity of the sucker body (3) and an inner cavity of the sleeve (2), the side wall of the supporting sealing rod (1) is provided with an axially-extending stroke limiting groove (11), the outer side wall of the sleeve (2) is provided with a pin hole (21) for allowing a pin (5) to extend into the stroke limiting groove (11) for matching limiting and a vent hole (22) communicated with the inner side wall of the sleeve (2), and when the supporting sealing rod (1) does not shield the vent hole (22), the communication channel (4) is communicated with the vent hole (22) through the inner cavity of the sleeve (2), otherwise, the communication channel (4) is not communicated with the vent hole (22), and the inner diameter of the sleeve (2) is smaller than the caliber of the adsorption port of the sucker body (3).
2. A large-suction small-release mechanical holding device according to claim 1, wherein the suction cup body (3) is provided with a suction cup rear wall body (31) for contacting the sleeve (2), the sleeve (2) is provided with a sleeve front wall body (23) for contacting the suction cup rear wall body (31), the suction cup rear wall body (31) and the sleeve front wall body (23) are fixedly connected through screws, the communication passage (4) comprises a front section passage (41) arranged in the suction cup rear wall body (31) and a rear section passage (42) arranged in the sleeve front wall body (23), and the inner diameter of the rear section passage (42) is smaller than the inner diameter of the sleeve (2).
3. The mechanical holding device with large suction force and small release force as claimed in claim 2, wherein the sucking disc rear wall body (31) is circumferentially provided with at least 3 first screw holes (311), the sleeve front wall body (23) is circumferentially provided with a plurality of second screw holes (231) corresponding to the first screw holes (311) in number and position, and the sucking disc rear wall body (31) and the sleeve front wall body (23) are fixedly connected through screws passing through the first screw holes (311) and the second screw holes (231).
4. The mechanical holding device with large suction and small power release as claimed in claim 1, wherein the outer side wall of the front end of the supporting sealing rod (1) is provided with an annular groove (12), and the annular groove (12) is sleeved with the sealing ring (6).
5. The mechanical holding device with large suction and small release force as claimed in claim 1, wherein the rear end of the supporting sealing rod (1) is connected with a connecting block (7) which is convenient for pushing and pulling the supporting sealing rod (1).
6. A high-suction small-release mechanical holding device as claimed in claim 5, wherein said connecting block (7) is fixedly connected with said supporting sealing rod (1) by means of screws.
7. A high suction low force release mechanical holding device according to any one of claims 1 to 6, characterized in that said vent hole (22) is closer to said suction cup body (3) than said pin hole (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022411829.4U CN213976053U (en) | 2020-10-26 | 2020-10-26 | Mechanical holding device with large suction force and small release force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022411829.4U CN213976053U (en) | 2020-10-26 | 2020-10-26 | Mechanical holding device with large suction force and small release force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213976053U true CN213976053U (en) | 2021-08-17 |
Family
ID=77258465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022411829.4U Active CN213976053U (en) | 2020-10-26 | 2020-10-26 | Mechanical holding device with large suction force and small release force |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213976053U (en) |
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2020
- 2020-10-26 CN CN202022411829.4U patent/CN213976053U/en active Active
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