CN219170205U - Lifting clamping linkage mechanism - Google Patents
Lifting clamping linkage mechanism Download PDFInfo
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- CN219170205U CN219170205U CN202223596808.XU CN202223596808U CN219170205U CN 219170205 U CN219170205 U CN 219170205U CN 202223596808 U CN202223596808 U CN 202223596808U CN 219170205 U CN219170205 U CN 219170205U
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- upper jaw
- jaw
- lifting
- connecting shaft
- clamping
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model discloses a lifting clamping linkage mechanism which comprises a machine base, a lifting clamping assembly and a driving assembly, wherein the lifting clamping assembly comprises an upper jaw, a lower jaw, an elastic piece and a limiting structure, the upper jaw is arranged on the machine base in a vertically sliding manner, the elastic piece is used for providing an elastic force for the upper jaw to draw the lower jaw downwards, and the limiting structure is used for limiting an upper limit for the upper jaw to slide upwards; the driving assembly is used for driving the lower jaw to move up and down. The driving assembly drives the lower jaw to lift upwards, the clamping force born by the workpiece in the lifting starting stage is the elasticity of the elastic piece until the upper jaw rises to the position where the limiting structure limits the upper jaw to slide upwards, the clamping force born by the workpiece at the moment is converted into the thrust of the driving assembly, and the upper jaw is made to be close to the workpiece as much as possible in the starting stage of workpiece lifting clamping, so that the workpiece is immediately propped against the upper jaw in the lifting starting stage without side turning and sliding out, lifting and clamping actions are completed in a synchronous linkage mode, and the lifting and clamping mechanism has the advantages of being more efficient and saving space.
Description
Technical Field
The utility model relates to the technical field of workpiece clamping and conveying, in particular to a lifting and clamping linkage mechanism.
Background
In automatic equipment, synchronous in-line transmission of workpieces among stations (steps) is a common feeding mode, various transmission modes are realized, such as straight-pushing and straight-pulling type transmission along a fixed slideway, turntable arc-shaped transmission, robot (manipulator) air transmission and the like, the former two modes are simple and effective choices, but for products of cutting processing, the surfaces of the products are extremely easy to splash, scrap iron residues remained on the slideway are attached to influence positioning accuracy or are directly scratched and pulled. If the cost and the working space are not considered to be large enough, the overhead transmission of the manipulator is the most effective and is not easily influenced by splashing of scrap iron residues, and the clamping mechanism is used for clamping the workpiece in the transmission mode, wherein the clamping mechanism generally clamps the workpiece through two clamping parts which can be mutually close to and far away from each other, the workpiece is required to be lifted when being clamped in actual cutting operation, so that the clamping of the workpiece is realized, the lifting driving assembly is required to be additionally arranged in the clamping mechanism, the workpiece is easy to turn over when the workpiece is lifted, and the subsequent machining is influenced.
Disclosure of Invention
The present utility model is directed to a lift clamp linkage that solves one or more of the problems of the prior art, and provides at least one of a beneficial choice or creation.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides a lifting and clamping linkage mechanism, which comprises the following components: the lifting clamping assembly comprises an upper jaw and a lower jaw which are oppositely arranged at an upper-lower interval, the upper jaw is arranged on the machine base in a sliding manner up and down, an elastic piece and a limiting structure are arranged between the upper jaw and the machine base, the elastic piece is used for providing an elastic force for the upper jaw to draw the lower jaw downwards, and the limiting structure is used for limiting the upper jaw to be limited to slide upwards relative to the machine base; the driving assembly is in transmission connection with the lower jaw and is used for driving the lower jaw to move up and down relative to the machine base.
The beneficial effects of the utility model are as follows: when the clamping mechanism is used, in a standby state, the lower jaw is driven by the driving assembly to be at the lower limit (initial) position, the upper jaw is closed downwards under the action of the elastic piece, the clamping opening between the lower jaw and the upper jaw at the moment is closed, when a workpiece is clamped and lifted, the workpiece is firstly placed in the clamping opening, the driving assembly drives the lower jaw to lift upwards, when the workpiece rises to the upper surface of the workpiece to contact the upper jaw, the lower jaw and the workpiece clamped by the lower jaw are combined into a whole, the lower jaw continues to rise under the driving of the driving assembly, the clamping force borne by the workpiece at the moment is the elastic force of the elastic piece until the upper jaw rises to the position where the limiting structure limits the upward sliding of the upper jaw, namely the lifting displacement is finished, the clamping force borne by the workpiece at the moment is converted into the thrust of the driving assembly, so that the clamping action is finished, and the upper jaw is pressed close to the workpiece as much as possible during the lifting and clamping stage of the workpiece, the workpiece is immediately supported by the upper jaw without side turning over, and the side turning over, lifting and clamping actions are more synchronous, and the lifting mechanism is more efficient in the synchronous.
As a further improvement of the technical scheme, the upper jaw is arranged on the machine base in a vertical sliding manner through the connecting shaft, and the lower jaw is sleeved on the connecting shaft in a vertical movable manner.
According to the scheme, the upper jaw and the lower jaw are guided to move in the up-down direction through the connecting shaft, so that the structure is more compact.
As a further improvement of the technical scheme, the limiting structure comprises a stop block, and the lower end of the connecting shaft is connected with the stop block after sliding through the stand.
The upper limit of the upper jaw is limited through the stop block, the connecting shaft and the upper jaw in the scheme are relatively fixedly arranged, the connecting shaft is in up-down sliding fit with the machine base, and when the connecting shaft moves upwards to the upper limit, the stop block at the lower end of the connecting shaft is abutted with the bottom surface of the machine base, so that the upper jaw is limited to move upwards.
As a further improvement of the technical scheme, the stop block is arranged on the connecting shaft in an up-down adjustable mode.
For the upper limit of the upper jaw, the height of the workpiece lifted, namely the movement amount of the upper jaw floating up and down, can be adjusted by adjusting the upper and lower positions of the stop block on the connecting shaft.
As a further improvement of the technical scheme, the elastic piece comprises a spring, the spring is sleeved between the lower end of the connecting shaft and the stop block, and the stop block is provided with a collision step which is in collision with the lower end of the spring.
According to the scheme, the elastic force is transmitted to the upper jaw through the connecting shaft through the spring acting between the base and the collision step on the stop block, the connecting shaft tends to pull downwards under the action of the spring, the upper jaw is regulated to be limited, and the elastic force of the spring can be regulated.
As a further improvement of the technical scheme, the connecting shaft is provided with a limiting shaft shoulder which is abutted against the top surface of the machine base. The limiting shaft shoulder mainly limits the lower limit of the connecting shaft in a standby state, so that an initial clamping opening is reserved between the upper jaw and the lower jaw.
As a further improvement of the above technical solution, the upper jaw is detachably mounted at the upper end of the connecting shaft.
The upper jaw can be replaced according to different workpieces so as to improve the adaptability of the mechanism.
As a further improvement of the technical scheme, the lower jaw is sleeved on the connecting shaft through the sliding sleeve, and the lower jaw is detachably connected with the sliding sleeve.
The lower jaw can be disassembled and assembled from the sliding sleeve, and the lower jaw is replaced according to different workpieces.
As a further improvement of the technical scheme, the driving end of the driving assembly is detachably connected with the sliding sleeve.
The drive assembly of this scheme drives down through the drive slip cap and keeps silent up-and-down motion to drive assembly and slip cap are detachable, can change different drive assembly according to different demands.
As a further improvement of the technical scheme, a plurality of lifting clamping assemblies are arranged, and the driving assembly is in transmission connection with a plurality of lower jaws at the same time.
According to the scheme, the lower jaw on the lifting clamping assemblies is synchronously driven to move through the driving assembly, so that the application range of the lifting clamping assemblies is further expanded in the field of multi-station synchronous feeding.
Drawings
The utility model is further described below with reference to the drawings and examples;
FIG. 1 is a schematic view of an embodiment of a lift clamp linkage provided by the present utility model;
FIG. 2 is a cross-sectional view of one embodiment of a lift clamp assembly provided by the present utility model.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, if there is a word description such as "a plurality" or the like, the meaning of a plurality is one or more, and the meaning of a plurality is two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
Referring to fig. 1 to 2, a lift clamp linkage of the present utility model is as follows:
the lifting and clamping linkage mechanism of the embodiment comprises a machine base 100, a driving assembly 300 and a lifting and clamping assembly 200, wherein the machine base 100 of the embodiment is of a turntable structure, and when in use, the machine base 100 can be installed on an external rotary conveying device to realize rotary conveying of workpieces, and in other embodiments, the lifting and clamping linkage mechanism can also be installed on a linear conveying device or a conveying manipulator.
The lifting clamping assembly 200 of the present embodiment includes an upper jaw 210 and a lower jaw 220, wherein the upper jaw 210 and the lower jaw 220 are disposed at an upper-lower opposite interval, a clamping opening for clamping a workpiece is formed between the upper jaw 210 and the lower jaw 220 in an initial state of standby, the upper jaw 210 in the present embodiment is slidably mounted on the machine base 100 up and down, and the lower jaw 220 is in transmission connection with the driving assembly 300.
The present embodiment further provides an elastic member and a limiting structure between the frame 100 and the upper jaw 210, wherein the elastic member acts between the upper jaw 210 and the frame 100, the elastic member provides an elastic force for the upper jaw 210 to draw the lower jaw 220 downward, and the limiting structure also acts between the upper jaw 210 and the frame 100, and the limiting structure is used for limiting a relative position of the upper jaw 210 moving upward relative to the frame 100, that is, limiting an upper limit of the upper jaw 210.
Specifically: the upper jaw 210 is slidably mounted on the stand 100 up and down through a vertical connection shaft 230, the upper jaw 210 is fixedly mounted on the upper end of the connection shaft 230, the lower end of the connection shaft 230 is slidably engaged with a sliding hole on the stand 100, the lower jaw 220 is movably sleeved up and down with the connection shaft 230, the lower jaw 220 is slidably sleeved up and down with the connection shaft 230 through a sliding sleeve 260, and the upper jaw 210 and the lower jaw 220 are guided up and down through the connection shaft 230, so that the structure is more compact.
The limit structure includes a stopper 240, the stopper 240 is mounted at the lower end of the connecting shaft 230, the upper limit of the upper jaw 210 is defined by the stopper 240 in this embodiment, when the connecting shaft 230 moves upward to the upper limit, the stopper 240 at the lower end of the connecting shaft 230 abuts against the bottom surface of the stand 100, so as to define the upper jaw 210 to move upward.
The elastic member of this embodiment adopts the spring 250, the spring 250 is sleeved between the lower end of the connecting shaft 230 and the stopper 240, the outer periphery of the stopper 240 is provided with the abutting step 241, the upper and lower ends of the spring 250 are respectively abutted against the bottom surface of the stand 100 and the abutting step 241, in this embodiment, the spring 250 acts between the stand 100 and the abutting step 241 on the stopper 240, the elastic force is transmitted to the upper jaw 210 through the connecting shaft 230, and the connecting shaft 230 tends to pull downwards under the action of the spring 250.
The driving assembly 300 of the present embodiment is in driving connection with the lower jaw 220, and the driving assembly 300 is used for driving the lower jaw 220 to move up and down relative to the stand 100.
When in use, in a standby state, the driving assembly 300 drives the lower jaw 220 to be at a lower limit (initial) position, the upper jaw 210 is closed downwards under the action of the elastic piece, the clamping opening between the lower jaw 220 and the upper jaw 210 is closed, when a workpiece is clamped and lifted, the workpiece is firstly placed in the clamping opening, the driving assembly 300 drives the lower jaw 220 to lift upwards, when the workpiece is lifted to the upper surface of the workpiece and contacts the upper jaw 210, the lower jaw 220 and the workpiece clamped by the upper jaw 220 are combined into a whole, the lower jaw 220 is driven by the driving assembly 300 to continuously lift, the clamping force borne by the workpiece at the moment is the elasticity of the elastic piece until the upper jaw 210 is lifted to the position where the stop dog 240 is abutted against the bottom surface of the machine base 100, the position where the upper jaw 210 slides upwards is limited, namely the position where the upper jaw 210 is lifted to be limited, namely the displacement is ended, the clamping force borne by the workpiece at the moment is converted into the thrust of the driving assembly 300, so that lifting and clamping actions are ended, when the workpiece is lifted to the upper jaw 210 to the upper surface of the upper jaw contacts the upper jaw 210, the workpiece is enabled to be pressed to be close to the workpiece as much as possible, when the workpiece is lifted, the workpiece is clamped by the upper jaw 220, the lifting actions are enabled to be more synchronous, and the lifting actions can not be completed, and the lifting actions are more synchronously, and the lifting actions can be completed in the lifting and the lifting mechanism and the workpiece clamping mechanism.
Further, the stopper 240 of the present embodiment is mounted on the connecting shaft 230 in an up-down adjustable manner, wherein the stopper 240 can be connected with the connecting shaft 230 in an up-down adjustable manner by means of threaded socket connection, and the stopper 240 can be connected with an end portion of the connecting shaft 230 by means of a connecting bolt, as shown in fig. 2.
In this embodiment, for the upper limit of the upper jaw 210, the height of the workpiece that is lifted, that is, the amount of movement of the upper jaw 210 that floats up and down, is adjusted by adjusting the up and down position of the connecting shaft 230 through the adjusting stop 240, and the elastic force of the spring 250 can be adjusted when the upper limit of the upper jaw 210 is adjusted.
And, the peripheral wall of the connecting shaft 230 is convexly provided with a limiting shaft shoulder 231, the limiting shaft shoulder 231 is in contact with the top surface of the stand 100, and the limiting shaft shoulder 231 in the embodiment mainly limits the lower limit of the connecting shaft 230 in the standby state, so that the upper jaw 210 and the lower jaw 220 leave an initial clamping opening.
In addition, the upper jaw 210 is detachably connected to the upper end of the connecting shaft 230, and the upper jaw 210 can be replaced according to different workpieces, so that the adaptability of the mechanism is improved.
The lower jaw 220 and the sliding sleeve 260 of the present embodiment are also detachably mounted together, and the present embodiment can detach the lower jaw 220 from the sliding sleeve 260, and replace the lower jaw 220 according to different workpieces.
The driving end of the driving assembly 300 in this embodiment is detachably connected with the sliding sleeve 260, the driving assembly 300 drives the lower jaw 220 to move up and down by driving the sliding sleeve 260, and the driving assembly 300 and the sliding sleeve 260 are detachable, so that different driving assemblies 300 can be replaced according to different requirements.
Furthermore, a plurality of lifting clamping assemblies 200 can be provided, and the driving assembly 300 is in transmission connection with a plurality of lower jaws 220 at the same time, so that the lower jaws 220 on the plurality of lifting clamping assemblies 200 can be synchronously driven to move by one driving assembly 300, and the application range of the lifting clamping assemblies is further expanded to the field of multi-station synchronous feeding.
As shown in fig. 1, the driving assembly 300 in this embodiment is configured with two lifting and clamping assemblies 200, the driving assembly 300 can implement the actions of the two lifting and clamping assemblies 200, the machine base 100 in this embodiment is of a turntable structure, and the lifting and clamping assemblies 200 are annularly arranged on the machine base 100 at intervals, so that the workpiece which is clamped and lifted can be rotated along with the machine base 100 to be conveyed to a new station.
It is apparent that the number of lift clamp assemblies 200 can be increased further to further expand the range of applications for multi-station synchronous feeding.
With respect to the structure of the driving assembly 300, the driving assembly 300 of the present embodiment includes a driving cylinder 310 mounted on the base 100, the driving cylinder 310 is connected to two sliding sleeves 260 through a force transmission arm 320, and in other embodiments, the force transmission arm 320 may be connected to more than two sliding sleeves 260.
In other embodiments, the drive assembly 300 may employ other linear drive configurations.
While the preferred embodiments of the present utility model have been illustrated and described, the present utility model is not limited to the embodiments, and various equivalent modifications and substitutions can be made by one skilled in the art without departing from the spirit of the present utility model, and these are intended to be included in the scope of the present utility model as defined in the appended claims.
Claims (10)
1. The utility model provides a lifting clamping link gear which characterized in that: it comprises the following steps:
a base (100);
the lifting clamping assembly (200) comprises an upper jaw (210) and a lower jaw (220) which are oppositely arranged at an upper-lower interval, wherein the upper jaw (210) is arranged on the machine base (100) in an up-down sliding manner, an elastic piece and a limiting structure are arranged between the upper jaw (210) and the machine base (100), the elastic piece is used for providing an elastic force for the upper jaw (210) to draw the lower jaw (220) downwards, and the limiting structure is used for limiting an upper limit of the upper jaw (210) to slide upwards relative to the machine base (100);
the driving assembly (300) is in transmission connection with the lower jaw (220), and the driving assembly (300) is used for driving the lower jaw (220) to move up and down relative to the machine base (100).
2. The lift clamp linkage of claim 1, wherein:
the upper jaw (210) is arranged on the machine base (100) in an up-and-down sliding mode through a connecting shaft (230), and the lower jaw (220) is sleeved on the connecting shaft (230) in an up-and-down movable mode.
3. The lift clamp linkage of claim 2, wherein:
the limiting structure comprises a stop block (240), and the lower end of the connecting shaft (230) is connected with the stop block (240) after penetrating through the stand (100) in a sliding mode.
4. A lift clamp linkage according to claim 3, wherein:
the stop block (240) is arranged on the connecting shaft (230) in an up-down adjustable mode.
5. The lift clamp linkage of claim 4, wherein:
the elastic piece comprises a spring (250), the spring (250) is sleeved between the lower end of the connecting shaft (230) and the stop block (240), and the stop block (240) is provided with a collision step (241) which is in collision with the lower end of the spring (250).
6. A lift clamp linkage according to claim 3, wherein:
the connecting shaft (230) is provided with a limiting shaft shoulder (231) which is abutted against the top surface of the base (100).
7. The lift clamp linkage of claim 2, wherein:
the upper jaw (210) is detachably mounted to the upper end of the connecting shaft (230).
8. The lift clamp linkage of claim 2, wherein:
the lower jaw (220) is sleeved on the connecting shaft (230) through the sliding sleeve (260), and the lower jaw (220) is detachably connected with the sliding sleeve (260).
9. The lift clamp linkage of claim 8, wherein:
the driving end of the driving assembly (300) is detachably connected with the sliding sleeve (260).
10. A lift clamp linkage according to any one of claims 1 to 9, wherein:
the lifting clamping assemblies (200) are provided with a plurality of lifting clamping assemblies, and the driving assemblies (300) are simultaneously connected with a plurality of lower jaws (220) in a transmission mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223596808.XU CN219170205U (en) | 2022-12-29 | 2022-12-29 | Lifting clamping linkage mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223596808.XU CN219170205U (en) | 2022-12-29 | 2022-12-29 | Lifting clamping linkage mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219170205U true CN219170205U (en) | 2023-06-13 |
Family
ID=86660482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223596808.XU Active CN219170205U (en) | 2022-12-29 | 2022-12-29 | Lifting clamping linkage mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219170205U (en) |
-
2022
- 2022-12-29 CN CN202223596808.XU patent/CN219170205U/en active Active
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