CN114131319A - Screw locking device and screw locking method - Google Patents
Screw locking device and screw locking method Download PDFInfo
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- CN114131319A CN114131319A CN202111496999.XA CN202111496999A CN114131319A CN 114131319 A CN114131319 A CN 114131319A CN 202111496999 A CN202111496999 A CN 202111496999A CN 114131319 A CN114131319 A CN 114131319A
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- clamping
- screw
- screwdriver
- fingers
- locking device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
Abstract
The utility model relates to a screw locking device and a screw locking method, comprising a screw driver and a clamping component; the clamping assembly comprises two clamping fingers and a first driving mechanism for driving the two clamping fingers to move; the clamping fingers are of an L-shaped structure, the two clamping fingers are arranged on two opposite sides of the screwdriver, the tail end of each clamping finger is provided with a clamping groove, and the clamping grooves of the two clamping fingers are matched for clamping the screw; when the clamping assembly is in a clamping state, the axis of the screwdriver coincides with the centers of the two clamping grooves. The screw locking device is suitable for locking screws in narrow spaces or close to wall surfaces, can effectively avoid the situation that the screws are prone to being skewed after the screws are sucked, and avoids damaging screw holes or causing screw screwing failure when the screws are screwed.
Description
Technical Field
The disclosure relates to the technical field of screw locking assembly, in particular to a screw locking device and a screw locking method.
Background
With the development and application of industrial automation technology, customized production puts higher requirements on assembly, the automatic assembly field of screw locking can be operated through a mechanical arm and an electric screwdriver, the assembly flexibility is improved, but the assembly positions of screw holes of certain workpieces are narrow or close to a wall surface, and great challenges are formed on screw locking.
The current electric screw driver mainly comprises a magnetic suction type screw driver, an air blowing type screw driver and an adsorption type screw driver according to a screw suction mode. The air blowing type and the adsorption type are matched with an air nozzle at the tail end of a general screwdriver head of a screwdriver, the magnetic adsorption type tail end is simple in structure, a screw is adsorbed by the magnetism of the screwdriver head, and the air blowing type and the adsorption type are generally matched with a screw feeding machine for use.
Air blowing type and absorption formula screwdriver air cock structure size are great, are not suitable for the counter bore and press close to the screw hole of wall, and magnetism is inhaled formula screwdriver end simple structure, is applicable to narrow space or pastes tight wall screw lock and pays, but to the screw skew easily behind the slightly long screw absorption, can damage the screw hole or cause to twist the screw and fail during the screwing.
Therefore, the present application provides a screw locking device and a screw locking method.
Disclosure of Invention
In order to solve the technical problem, the present disclosure provides a screw locking device and a screw locking method.
The technical scheme adopted by the invention is as follows:
a screw locking device comprises a screw driver and a clamping assembly;
the clamping assembly comprises two clamping fingers and a first driving mechanism for driving the two clamping fingers to move;
the clamping fingers are of an L-shaped structure, the two clamping fingers are arranged on two opposite sides of the screwdriver, the tail end of each clamping finger is provided with a clamping groove, and the clamping grooves of the two clamping fingers are matched for clamping the screw;
when the clamping assembly is in a clamping state, the axis of the screwdriver coincides with the centers of the two clamping grooves.
Preferably, the first driving mechanism comprises at least one of a pneumatic cylinder, a hydraulic cylinder and an electric cylinder.
Preferably, two of the clamping fingers are connected to two opposite sides of the first driving mechanism, and each clamping finger is detachably connected with the first driving mechanism.
Preferably, the screwdriver is one of a magnetic-attraction type electric screwdriver, an air-blowing type screwdriver and an adsorption type screwdriver.
Preferably, the clamping assembly is detachably connected with the screwdriver.
Preferably, an elastic pad is attached to a wall surface of each clamping groove, and the elastic pad is used for limiting a gap between the screw and the clamping finger.
Preferably, the screw locking device further comprises a driver electrically connected with the first driving mechanism, and the driver is communicated with the first driving mechanism.
Preferably, the screw locking device further comprises a second driving mechanism in transmission connection with the screwdriver, and the second driving mechanism controls the screwdriver to ascend, descend and/or rotate.
The screw locking method is realized by the screw locking device, and comprises the following steps:
the first driving mechanism controls the two clamping fingers to be opened;
the screwdriver head adsorbs the required screw;
the first driving mechanism controls the two clamping fingers to fold and clamps the adsorbed screw;
the screw locking device controls the screw to enter the hole and performs locking operation.
Preferably, the locking operation comprises: and carrying out primary locking and pre-tightening, wherein the first driving mechanism controls the two clamping fingers to be opened, and compresses the screwdriver to carry out secondary locking.
In summary, the present application has the following beneficial effects:
(1) the screw locking device is suitable for a narrow space or a screw locking pair attached to a wall surface, can effectively avoid the situation that the screw is easy to skew after the screw is sucked, and avoids damaging screw holes or causing screw screwing failure when screwing the screw;
(2) the clamping assembly is detachably connected with the screwdriver and can adapt to screwdrivers of different specifications and models;
(3) the clamping fingers are detachably connected with the first driving mechanism and can be adapted to screws with different specifications.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the disclosure and together with the description serve to explain the principles of the disclosure.
FIG. 1 is a schematic structural diagram of the present application;
FIG. 2 is a schematic structural view of a clamping assembly of the present application;
FIG. 3 is a schematic view of a finger of the present application;
fig. 4 is a schematic view of another finger of the present application.
The labels in the figure are: 1 is the screwdriver, 2 is pressing from both sides and indicates, 3 is first actuating mechanism, 4 is the centre gripping groove, 5 is criticizing the head, 6 is first mount pad, 7 is the second mount pad, 8 is the connecting seat, 9 is rectangular shape hole, 10 is the stopper.
Detailed Description
The present disclosure will be described in further detail with reference to the drawings and embodiments. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limitations of the present disclosure. It should be further noted that, for the convenience of description, only the portions relevant to the present disclosure are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present disclosure may be combined with each other without conflict. The present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 to 4, a screw locking device includes a screw driver 1, a clamping assembly; the screwdriver 1 is one of a magnetic type electric screwdriver 1, an air blowing type screwdriver 1 and an adsorption type screwdriver 1, and the magnetic type electric screwdriver 1 is specifically arranged here;
the clamping assembly comprises two clamping fingers 2 and a first driving mechanism 3 for driving the two clamping fingers 2 to move; the first driving mechanism 3 comprises at least one of an air cylinder, a hydraulic cylinder and an electric cylinder, and is specifically provided as an air cylinder; specifically, the two clamping fingers 2 are rotationally connected with the first driving mechanism 3, the first driving mechanism 3 is used for controlling the two clamping fingers 2 to rotate, the whole structure and action process are more reasonable due to the design of rotational control, the first driving mechanism 3 controls the two clamping fingers 2 to rotate to realize folding and separating actions, and then the folding and separating actions of the two clamping grooves 4 are realized;
the clamping fingers 2 are of an L-shaped structure, the two clamping fingers 2 are arranged on two opposite sides of the screwdriver 1, the tail end of each clamping finger 2 is provided with a clamping groove 4, and the clamping grooves 4 of the two clamping fingers 2 are matched for clamping and righting the screw;
when the clamping assembly is in a clamping state, the axis of the screwdriver 1 coincides with the centers of the two clamping grooves 4, specifically, the two clamping grooves 4 are semicircular grooves, after the two clamping grooves are folded, the two clamping grooves form a round hole, the diameter of the round hole is matched with that of the screw, after the two clamping grooves are folded, the screw penetrates through the round hole formed by the two clamping grooves 4, and the axis of the screwdriver 1 coincides with the axis of the round hole.
Further, the screw locking device further comprises a driver electrically connected with the first driving mechanism 3, the driver is communicated with the first driving mechanism 3, and the driver is used for controlling the first driving mechanism 3 to work.
Further, the screw locking device further comprises a second driving mechanism (not shown in the figure) in transmission connection with the screw driver 1, and the second driving mechanism controls the screw driver 1 to lift and/or rotate.
Further, still include second mount pad 7, second mount pad 7 can be dismantled with screwdriver 1 and centre gripping subassembly and be connected fixedly, and second mount pad 7 is used for dismantling and connects outside arm or other actuating mechanism, so sets up, and second mount pad 7 provides reliable and stable connection contact for outside arm to through arm or other actuating mechanism control whole screw locking device removal, second mount pad 7 can adapt to different arm or other actuating mechanism, has increased screw locking device's application scope.
In one embodiment of the present disclosure, as shown in fig. 1 to 4, two clamping fingers 2 are connected to two opposite sides of the first driving mechanism 3, and each clamping finger 2 is detachably connected, in particular bolted, to the first driving mechanism 3. According to the arrangement, the clamping fingers 2 with different lengths can be adaptively replaced or the fixing positions of the two clamping fingers 2 can be vertically adjusted according to the specific vertical position of the screwdriver bit 5 of the screwdriver 1, so that the proper vertical distance between the screwdriver bit 5 and the two clamping grooves 4 is ensured; meanwhile, the two clamping fingers 2 can be replaced, so that the two clamping grooves 4 can be replaced, the clamping fingers 2 can be replaced according to the size of the screw locked according to actual needs, and the application range of the whole device is enlarged.
Specifically, press from both sides 2 upper ends and have connecting seat 8, the rectangular shape hole 9 of vertical extension is seted up to connecting seat 8, press from both sides to indicate 2 can dismantle with first actuating mechanism 3 through connecting seat 8 and be connected, so set up, according to the vertical position of the batch head 5 of screwdriver 1, the fixed position of two clamp fingers 2 of adaptability vertical adjustment to it is suitable to guarantee that the vertical distance between batch head 5 and the centre gripping groove 4, and rectangular shape hole 9 makes vertical adjustment process convenient and fast more.
In one embodiment of the present disclosure, as shown in fig. 1 and 2, the clamping assembly is detachably connected, in particular bolted, to the screwdriver 1; so set up for the screwdriver 1 of different specifications can be used to the accordant connection to the centre gripping subassembly, makes the centre gripping subassembly can cooperate and is used for the screwdriver 1 of different specifications.
Further, the clamping component is detachably connected with the screwdriver 1 through the first mounting seat 6, the lower portion of the first mounting seat 6 is connected with the first driving mechanism 3, the upper portion of the first mounting seat is connected with the screwdriver 1, the mounting position of the first mounting seat 6 on the first driving mechanism 3 can be horizontally adjusted, the arrangement is such that after the first mounting seat 6 is connected with the screwdriver 1, according to the specific horizontal position of the screwdriver head 5 of the screwdriver 1, the first driving mechanism 3 can be horizontally adjusted in an adaptive mode, and then the two clamping fingers 2 can be horizontally adjusted, so that the axis of the screwdriver 1 is coincident with the centers of the two clamping grooves 4, meanwhile, the first mounting seat 6 can be used for mounting the screwdrivers 1 with different specifications, and the clamping component can be matched with the screwdrivers 1 with different specifications.
In one embodiment of the present disclosure, an elastic pad (not shown) is attached to a wall surface of each clamping groove 4, and the elastic pad is used for limiting a gap between the screw and the clamping finger 2, so as to ensure a clamping and centering effect.
In an embodiment of the present disclosure, as shown in fig. 2 to 4, the two clamping fingers 2 have the limiting blocks 10, the limiting blocks 10 on the two clamping fingers 2 are used in cooperation and used for limiting the folding action range of the two clamping fingers 2, so as to prevent the two clamping fingers 2 from being excessively closed to damage parts, when the limiting blocks 10 on the two clamping fingers 2 are in contact, the two clamping fingers 2 are just folded, and at this time, the two clamping grooves 4 are just folded.
In an embodiment of the present disclosure, a centering seat (not shown in the figure) is detachably mounted at an end portion of the clamping finger 2, and the clamping groove 4 is opened in the centering seat, so that the clamping groove 4 on the clamping finger 2 is replaceable, the corresponding matched centering seat can be replaced according to the size of the screw to be locked according to actual needs, and the application range of the whole device is increased.
The screw locking method is realized by the screw locking device, and comprises the following steps:
the first driving mechanism 3 controls the two clamping fingers 2 to open;
the screwdriver head 5 of the screwdriver 1 adsorbs the required screw, the screwdriver 1 is lifted, when the screw is adsorbed, the screwdriver 1 is controlled to rotate while descending and pressing, so that the screwdriver head 5 can enter the screw, and the screw is adsorbed by the magnetic force of the screwdriver head;
the first driving mechanism 3 controls the two clamping fingers 2 to fold and clamp the adsorbed screw;
the screw locking and paying device controls a screw inlet hole and performs locking and paying operation, and the specific locking and paying operation comprises the following steps: and the first driving mechanism 3 controls the two clamping fingers 2 to be opened to compress the screwdriver 1, and the second locking is carried out, so that the situation that the screw is not inclined is avoided, and the screw hole is effectively prevented from being damaged or the screw screwing failure is avoided.
In the description herein, reference to the description of the terms "one embodiment/mode," "some embodiments/modes," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment/mode or example is included in at least one embodiment/mode or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to be the same embodiment/mode or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/aspects or examples and features of the various embodiments/aspects or examples described in this specification can be combined and combined by one skilled in the art without conflicting therewith.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
It will be understood by those skilled in the art that the foregoing embodiments are merely for clarity of illustration of the disclosure and are not intended to limit the scope of the disclosure. Other variations or modifications may occur to those skilled in the art, based on the foregoing disclosure, and are still within the scope of the present disclosure.
Claims (10)
1. A screw locking device is characterized by comprising a screw driver (1) and a clamping assembly;
the clamping assembly comprises two clamping fingers (2) and a first driving mechanism (3) for driving the two clamping fingers (2) to move;
the clamping fingers (2) are of an L-shaped structure, the two clamping fingers (2) are arranged on two opposite sides of the screwdriver (1), the tail end of each clamping finger (2) is provided with a clamping groove (4), and the clamping grooves (4) of the two clamping fingers (2) are matched for clamping a screw;
when the clamping assembly is in a clamping state, the axis of the screwdriver (1) is superposed with the centers of the two clamping grooves (4).
2. A screw locking device according to claim 1, wherein said first driving means (3) comprises at least one of a pneumatic cylinder, a hydraulic cylinder, an electric cylinder.
3. A screw locking device according to claim 1, wherein two of said gripping fingers (2) are connected to opposite sides of said first drive mechanism (3), each of said gripping fingers (2) being detachably connected to said first drive mechanism (3).
4. A screw driver device according to claim 1, wherein said screw driver (1) is one of a magnetic-type electric screw driver (1), an air-blowing type screw driver (1) and an adsorption type screw driver (1).
5. A screw locking device according to claim 1, wherein said clamping assembly is removably connected to said screwdriver (1).
6. A screw locking device according to claim 1, wherein an elastic pad is attached to the wall of each clamping groove (4) for limiting the gap between the screw and the clamping finger (2).
7. A screw locking device according to claim 1, further comprising a driver electrically connected to said first drive mechanism (3), said driver being in communication with said first drive mechanism (3).
8. A screw locking device according to claim 1, further comprising a second driving mechanism in driving connection with said screwdriver (1), said second driving mechanism controlling the raising and lowering and/or rotation of said screwdriver (1).
9. The screw locking method is realized by the screw locking device of any one of claims 1 to 8, and comprises the following steps:
the first driving mechanism (3) controls the two clamping fingers (2) to be opened;
a screwdriver head (5) of the screwdriver (1) adsorbs the required screw;
the first driving mechanism (3) controls the two clamping fingers (2) to fold and clamps the adsorbed screw;
the screw locking device controls the screw to enter the hole and performs locking operation.
10. The screw locking method of claim 9, wherein the locking operation comprises: and (3) carrying out primary locking and pre-tightening, controlling the two clamping fingers (2) to be opened by the first driving mechanism (3), pressing the screwdriver (1) and carrying out secondary locking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111496999.XA CN114131319B (en) | 2021-12-09 | 2021-12-09 | Screw locking device and screw locking method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111496999.XA CN114131319B (en) | 2021-12-09 | 2021-12-09 | Screw locking device and screw locking method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114131319A true CN114131319A (en) | 2022-03-04 |
| CN114131319B CN114131319B (en) | 2022-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111496999.XA Active CN114131319B (en) | 2021-12-09 | 2021-12-09 | Screw locking device and screw locking method |
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| CN (1) | CN114131319B (en) |
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| CN114131319B (en) | 2022-12-06 |
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