CN117921588A - Screw driver - Google Patents
Screw driver Download PDFInfo
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- CN117921588A CN117921588A CN202410127633.2A CN202410127633A CN117921588A CN 117921588 A CN117921588 A CN 117921588A CN 202410127633 A CN202410127633 A CN 202410127633A CN 117921588 A CN117921588 A CN 117921588A
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- sliding
- piece
- adsorption
- locking
- screw driver
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- 238000001179 sorption measurement Methods 0.000 claims abstract description 44
- 238000000034 method Methods 0.000 claims abstract description 18
- 230000008569 process Effects 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims description 27
- 238000003825 pressing Methods 0.000 claims description 8
- 238000013461 design Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention relates to the technical field of screw tools, in particular to a screw driver, which comprises a base, a sliding piece, a first elastic element, a fixed sleeve, a driver head and a second elastic element, wherein the base comprises a mounting part and a sliding part, one end of the sliding piece is provided with a limiting step, and one end of the sliding piece, which is positioned at the limiting step, is provided with a rear end cover; the first elastic element is sleeved outside the sliding piece, and two ends of the first elastic element are respectively abutted against the limiting step and the first abutting surface; the fixed sleeve comprises a connecting part arranged at one end of the sliding part, an adsorption part arranged at the connecting part and a locking part connected to the adsorption part, wherein the locking part is provided with a positioning groove, and the adsorption part is used for generating negative pressure for adsorbing screws by the positioning groove. The invention solves the problem that the existing automatic screwdriver has fixed stroke and only a single-section sliding structure. The sliding piece which can slide is matched with the sliding groove to slide, so that stability is better in the process of locking the screw.
Description
Technical Field
The invention relates to the technical field of screw tools, in particular to a screw driver.
Background
An automatic screw driver is a tool for automated screw tightening, typically used on an assembly line or production line. The automatic screw driver is an important device on an automatic assembly line, and relates to an automatic assembly technology, comprising an automatic feeding system, an automatic identification system, an automatic positioning system and the like, so as to realize efficient automatic screw tightening operation.
The stroke of the existing automatic screw driver structure is fixed, so that the installation and the use of the structure are affected, and particularly, in the process of locking a large-stroke automatic screw. Because the stability of the batch head structure is insufficient, the locking precision is deviated. The locking effect is affected, so the structure of the existing automatic screw driver needs to be improved.
Disclosure of Invention
In order to solve the problems, the invention provides a screw driver which solves the problems that the existing automatic screw driver is fixed in stroke and only has a single-section sliding structure. Adopt slidable slider cooperation spout slip, the better screwdriver of stability in locking system screw in-process.
The technical scheme adopted by the invention is as follows: the screwdriver comprises a base, a sliding piece, a first elastic element, a fixed sleeve, a screwdriver head and a second elastic element, wherein the base comprises a mounting part and a sliding part, the mounting part is arranged on the outer side of the sliding part, the sliding part is provided with a sliding groove, and two ends of the sliding part, which are positioned on the sliding groove, are respectively provided with a first abutting surface and a second abutting surface; the sliding piece is arranged in the sliding groove in a sliding way, one end of the sliding piece is provided with a limiting step, the limiting step is arranged opposite to the first abutting surface, one end of the sliding piece, which is positioned on the limiting step, is provided with a rear end cover, and a movable cavity is formed in the sliding piece; the first elastic element is sleeved outside the sliding piece, and two ends of the first elastic element are respectively abutted against the limiting step and the first abutting surface so as to generate elastic pressure between the limiting step and the first abutting surface; the fixing sleeve comprises a connecting part arranged at one end of the sliding part, an adsorption part arranged at the connecting part and a locking part connected with the adsorption part, wherein the locking part is provided with a positioning groove, and the adsorption part is used for generating negative pressure to adsorb screws; the screwdriver head is arranged in the movable cavity, one end of the screwdriver head extends to the rear end cover to be provided with a driving end, and the other end of the screwdriver head sequentially penetrates through the connecting part, the adsorption part and the locking part, and is provided with a locking head for driving and locking screws in the positioning groove; the second elastic element is arranged outside the batch head and used for enabling the batch head to movably provide reset elastic force in the movable cavity, and the driving end is provided with a driving pressing part so as to drive the sliding piece to slide in the sliding groove in the pressing process.
According to the technical scheme, the directional piece is arranged in the chute, the directional groove is formed in the periphery of the sliding piece, and the directional groove is matched with the directional piece, so that the sliding piece slides in a directional manner when sliding in the chute.
The sliding part is cylindrical, and the mounting parts are provided with at least two groups and are uniformly distributed on the periphery of the sliding part for fixedly mounting the sliding part.
The technical scheme is further improved in that the movable cavity is provided with a matching step positioned at the inner side of the limiting step, the rear end cover is provided with an assembling boss, and the rear end cover is arranged on the matching step through the assembling boss; the rear end cover is provided with a perforation, and one end of the perforation penetrates through the assembly boss to penetrate through the driving end.
The further improvement of the scheme is that one end of the sliding piece is provided with a sealing connector, and the sealing connector is used for being connected with the connecting part.
A further improvement of the above solution is that the first elastic element is a spring, which is arranged outside the sliding element to provide a return elastic force for the sliding element when sliding on the chute.
The sealing sleeve is characterized in that a sealing fixing piece is arranged in the fixing sleeve, one side of the sealing fixing piece is provided with a sealing piece, and the sealing piece is used for sealing between the adsorption part and the connecting part.
The technical scheme is further improved in that an adsorption step is arranged between the adsorption part and the locking part, a positioning step is arranged between the locking head and the batch head, and the adsorption step is used for positioning and limiting the positioning step.
The technical scheme is further improved in that the adsorption part is provided with adsorption connecting holes for connecting a negative pressure air pipe or a joint.
The technical scheme is further improved in that an adsorption gap is reserved between the locking part and the locking head so as to adsorb the screw in the positioning groove.
The technical scheme is further improved in that the groove wall of the positioning groove is arc-shaped.
According to a further improvement of the scheme, an elastic fixing sleeve is arranged on one side, close to the driving end, of the batch head, and the elastic fixing sleeve is used for fixing the second elastic element.
The invention has the beneficial effects that:
Compared with the existing screw driver, the screw driver is used for an automatic screw driver, the base is used for fixedly mounting a structure, the sliding piece can slide on the base, the driver head can move in the sliding piece, and a double-section movable structure is formed. In the screw locking process, the sliding piece slides on the sliding groove under the action of the driving structure, and meanwhile, the screwdriver head is driven to move downwards to lock the screw. The stroke of the automatic screw driver can be prolonged, and the structural stability is ensured. The problem of current automatic screwdriver stroke is fixed, has only single section sliding structure is solved. The sliding piece which can slide is matched with the sliding groove to slide, so that stability is better in the process of locking the screw.
Drawings
FIG. 1 is a schematic perspective view of a screw driver according to the present invention;
FIG. 2 is an exploded view of the screwdriver of FIG. 1;
FIG. 3 is a schematic front view of the screw driver of FIG. 1;
FIG. 4 is a cross-sectional view of A-A of FIG. 3;
FIG. 5 is an enlarged schematic view of FIG. 4 at A;
Fig. 6 is an enlarged schematic view at B in fig. 4.
Reference numerals illustrate: the base 1, the mounting portion 11, the sliding portion 12, the first abutment surface 121, the second abutment surface 122, the chute 13, the orientation piece 131;
The sliding part 2, the limiting step 21, the rear end cover 22, the assembling boss 221, the movable cavity 23, the matching step 231, the orientation groove 24 and the sealing connector 25;
A first elastic element 3;
Fixing sleeve 4, connecting portion 41, adsorbing portion 42, adsorbing step 421, adsorbing connecting hole 422, locking portion 43, positioning groove 431, adsorbing gap 432, sealing fixture 44, sealing fixture 441,
The screwdriver head 5, the driving end 51, the locking head 52, the positioning step 521 and the elastic fixing sleeve 53;
A second elastic element 6.
Detailed Description
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
As shown in fig. 1 to 6, in one embodiment of the present invention, a screwdriver includes a base 1, a slider 2, a first elastic element 3, a fixing sleeve 4, a screwdriver head 5 and a second elastic element 6, wherein the base 1 includes a mounting portion 11 and a sliding portion 12, the mounting portion 11 is disposed on the outer side of the sliding portion 12, the sliding portion 12 is provided with a chute 13, and two ends of the sliding portion 12 located at the chute 13 are respectively provided with a first abutting surface 121 and a second abutting surface 122; the sliding piece 2 is slidably arranged in the sliding groove 13, one end of the sliding piece 2 is provided with a limiting step 21, the limiting step 21 is opposite to the first abutting surface 121, one end of the sliding piece 2, which is positioned on the limiting step 21, is provided with a rear end cover 22, and a movable cavity 23 is arranged inside the sliding piece 2; the first elastic element 3 is sleeved outside the sliding piece 2, and two ends of the first elastic element 3 are respectively abutted against the limiting step 21 and the first abutting surface 121 so as to generate elastic pressure between the limiting step 21 and the first abutting surface 121; the fixing sleeve 4 comprises a connecting part 41 installed at one end of the sliding piece 2, an adsorption part 42 arranged at the connecting part 41 and a locking part 43 connected to the adsorption part 42, wherein the locking part 43 is provided with a positioning groove 431, and the adsorption part 42 is used for generating negative pressure to adsorb screws by the positioning groove 431; the screwdriver head 5 is arranged in the movable cavity 23, one end of the screwdriver head 5 extends to the rear end cover 22 and is provided with a driving end 51, the other end of the screwdriver head sequentially passes through the connecting part 41, the adsorption part 42 and the locking part 43, the screwdriver head 5 is provided with a locking head 52, and the locking head 52 is used for driving and locking screws in the positioning groove 431; the second elastic element 6 is arranged outside the batch head 5 and is used for movably providing reset elastic force for the batch head 5 in the movable cavity 23, and the driving end 51 is provided with a driving pressing part so as to drive the sliding piece 2 to slide in the sliding groove 13 in the pressing process. The embodiment is used for an automatic screw driver, the base 1 is used for structure fixed installation, the sliding piece 2 can slide on the base 1, the screwdriver head 5 can move in the sliding piece 2, and a double-section movable structure is formed. In the screw locking process, the sliding piece 2 slides on the sliding groove 13 under the action of the driving structure, and meanwhile, the screwdriver head 5 is driven to move downwards to lock the screw. The stroke of the automatic screw driver can be prolonged, and the structural stability is ensured. The problem of current automatic screwdriver stroke is fixed, has only single section sliding structure is solved. The sliding piece 2 which can slide is matched with the sliding groove 13 to slide, so that stability is better in the process of locking the screw.
In the above embodiment, through the design of the base 1, the sliding piece 2, the fixing sleeve 4 and the screwdriver head 5, stable fixing and driving of the screw are realized, loosening or sliding phenomena of the screw in the using process can be effectively avoided, and reliable connection of the screw is ensured.
In the above embodiment, the arrangement of the first elastic element 3 and the second elastic element 6 can provide elastic support and reset functions in the screw twisting and pressing process, so as to effectively reduce the impact force in the screw driving process and prolong the service lives of the screw and the screw driver.
In the above embodiment, the design of the sliding member 2 and the sliding groove 13 is adopted, so that the batch head 5 can flexibly move in the movable cavity 23, and the sliding member 2 can be stably driven to slide in the sliding groove 13 in the pressing process, thereby realizing accurate operation on the screw and improving the working efficiency.
In the above embodiment, the adsorption portion 42 and the locking portion 43 provided in the fixing sleeve 4 are combined with the positioning groove 431, so that negative pressure can be generated to adsorb the screw, so that the screw is more stable in the operation process, and the possibility of screw loss is reduced.
In the embodiment, the screw driver has reasonable overall structural design, is compact in connection among all the parts, is convenient for maintenance and replacement of parts, and can ensure the stability and durability of the screw driver.
An orientation member 131 is arranged in the chute 13, and an orientation groove 24 is arranged on the periphery of the sliding member 2, and the orientation groove 24 is matched with the orientation member 131 so that the sliding member 2 slides in an orientation when sliding in the chute 13. In this embodiment, through the cooperation design of the orientation piece 131 and the orientation groove 24 on the periphery of the sliding piece 2, the sliding piece 2 can slide in the chute 13 in an accurate orientation, so that the screwdriver can be accurately aligned with the screw hole in the operation process, and the installation accuracy of the screw is improved. The design of directional sliding can enable the screwdriver to be more stable in operation, damage or poor installation of screws caused by unstable sliding are avoided, and operation efficiency and safety are improved.
The sliding part 12 has a cylindrical shape, and the mounting part 11 is provided with at least two groups and uniformly distributed on the outer circumference of the sliding part 12 for the fixed mounting of the sliding part 12. In this embodiment, by arranging the plurality of groups of mounting portions 11 and uniformly distributing the plurality of groups of mounting portions around the sliding portion 12, the sliding portion 12 can be effectively fixed and stabilized, so that the screwdriver is not easy to shake or loosen during operation, and the stability and safety of work are improved.
The movable cavity 23 is provided with a matching step 231 positioned at the inner side of the limit step 21, the rear end cover 22 is provided with an assembling boss 221, and the rear end cover 22 is arranged on the matching step 231 through the assembling boss 221; the rear cover 22 is provided with a through hole having one end penetrating through the assembly boss 221 for passing through the driving end 51. In this embodiment, the movable cavity 23 is provided with a mating step 231 located inside the limiting step 21, and the rear end cap 22 is provided with an assembling boss 221. The rear end cover 22 can be installed on the matching step 231 through the assembling boss 221 by the design, so that the rear end cover 22 is firmly connected with the movable cavity 23, and the assembling firmness and reliability are ensured. The rear end cap 22 is provided with a through hole and one end is penetrated through the assembly boss 221 for penetrating the driving end 51, ensuring stable driving and operational reliability of the head 5.
One end of the slider 2 is provided with a sealing joint 25, said sealing joint 25 being intended to be connected with a connection 41. In this embodiment, the sealing connector 25 can effectively prevent external impurities from entering the sliding part 2, protect the parts inside the sliding part 2 from being polluted or corroded, and improve the service life and stability of the device.
The first elastic member 3 is a spring provided outside the slider 2 to provide a return elastic force to the slider 2 when sliding on the chute 13. In this embodiment, the spring is used as the first elastic element 3, and can provide a restoring elastic force for the sliding of the sliding piece 2 on the chute 13, so that the sliding piece 2 can be quickly returned to the original position after operation, and the normal operation and stability of the device are ensured.
A sealing fixing member 44 is provided in the fixing sleeve 4, and a sealing member 441 is provided on one side of the sealing fixing member 44, and the sealing member 441 is used for sealing between the suction portion 42 and the connection portion 41. In this embodiment, by providing the seal fixing member 44 and the seal member 441, sealing between the adsorption portion 42 and the connection portion 41 can be effectively achieved, entry of external substances such as liquid, gas or impurities is prevented, parts inside the apparatus are protected from corrosion or pollution, and the service life and reliability of the apparatus are improved.
An adsorption step 421 is arranged between the adsorption part 42 and the locking part 43, a positioning step 521 is arranged between the locking head 52 and the batch head 5, and the adsorption step 421 is used for limiting the positioning step 521. In this embodiment, the adsorption step 421 is disposed between the adsorption portion 42 and the locking portion 43, and the positioning step 521 is disposed between the locking head 52 and the batch head 5, so that accurate positioning of the screw position can be effectively achieved, and accuracy and stability of the screw in the adsorption, locking and tightening processes are ensured.
The suction portion 42 is provided with suction connection holes 422 for connection to a negative pressure air pipe or joint.
An adsorption gap 432 is left between the locking part 43 and the locking head 52 to adsorb the screw in the positioning groove 431. In this embodiment, through leaving adsorption gap 432, can make adsorption equipment more nimble, can adapt to the screw of different specifications and sizes, improve the suitability and the multifunctionality of equipment. The design of the adsorption gap 432 can effectively improve the efficiency of adsorbing the screw, so that the adsorption action is quicker and more stable, and the production efficiency and the processing quality are improved.
The groove wall of the positioning groove 431 is arc-shaped. In this embodiment, the adsorption of screw surface can be adapted to better to the arc cell wall, has improved the stability and the firmness of screw in the recess to adsorption effect has been improved.
An elastic fixing sleeve 53 is arranged on one side of the screwdriver bit 5 close to the driving end 51, and the elastic fixing sleeve 53 is used for fixing the second elastic element 6. In this embodiment, the elastic fixing sleeve 53 can be used as a fixing device of the second elastic element 6, so as to effectively perform the functions of shock absorption and buffering, reduce the impact and vibration suffered by the batch head 5 during working, and protect the stability and safety of the device. The elastic fixing sleeve 53 can absorb tiny deformation and displacement generated in the working process of the batch head 5, so that the relative position between the batch head 5 and the driving end 51 is kept stable, and the working accuracy of the device is improved.
The foregoing examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (10)
1.A screw driver, characterized in that: comprising
The base comprises a mounting part and a sliding part, wherein the mounting part is arranged on the outer side of the sliding part, the sliding part is provided with a sliding groove, and the two ends of the sliding part, which are positioned on the sliding groove, are respectively provided with a first abutting surface and a second abutting surface; the sliding part is cylindrical, and the mounting part is provided with at least two groups and is uniformly distributed on the periphery of the sliding part for fixedly mounting the sliding part;
the sliding piece is arranged in the sliding groove in a sliding way, one end of the sliding piece is provided with a limiting step, the limiting step is opposite to the first abutting surface, one end of the sliding piece, which is positioned on the limiting step, is provided with a rear end cover, and a movable cavity is formed in the sliding piece;
The first elastic element is sleeved outside the sliding piece, and two ends of the first elastic element are respectively abutted against the limiting step and the first abutting surface so as to generate elastic pressure between the limiting step and the first abutting surface;
the fixing sleeve comprises a connecting part arranged at one end of the sliding piece, an adsorption part arranged at the connecting part and a locking part connected with the adsorption part, wherein the locking part is provided with a positioning groove, and the adsorption part is used for generating negative pressure to adsorb screws;
The screwdriver head is arranged in the movable cavity, one end of the screwdriver head extends to the rear end cover to be provided with a driving end, the other end of the screwdriver head sequentially penetrates through the connecting part, the adsorption part and the locking part, the screwdriver head is provided with a locking head, the locking head is used for driving and locking screws in the positioning grooves, and the driving end is provided with a driving pressing part so as to drive the sliding piece to slide in the sliding groove in the pressing process; and
The second elastic element is arranged outside the batch head and used for movably providing reset elastic force for the batch head in the movable cavity.
2. A screw driver according to claim 1, wherein: the sliding chute is internally provided with an orientation piece, the periphery of the sliding piece is provided with an orientation groove, and the orientation groove is matched with the orientation piece so that the sliding piece slides in an orientation manner when sliding in the sliding chute.
3. A screw driver according to claim 1, wherein: the movable cavity is positioned at the inner side of the limit step and is provided with a matching step, the rear end cover is provided with an assembling boss, and the rear end cover is arranged on the matching step through the assembling boss; the rear end cover is provided with a perforation, and one end of the perforation penetrates through the assembly boss to penetrate through the driving end.
4. A screw driver according to claim 1, wherein: one end of the sliding piece is provided with a sealing connector, and the sealing connector is used for being connected with the connecting part.
5. A screw driver according to claim 1, wherein: the first elastic element is a spring which is arranged outside the sliding piece and used for providing reset elastic force for the sliding piece when sliding on the sliding groove.
6. A screw driver according to claim 1, wherein: the fixing sleeve is internally provided with a sealing fixing piece, one side of the sealing fixing piece is provided with a sealing piece, and the sealing piece is used for sealing between the adsorption part and the connecting part.
7. A screw driver according to claim 1, wherein: an adsorption step is arranged between the adsorption part and the locking part, a positioning step is arranged between the locking head and the batch head, and the adsorption step is used for positioning and limiting the positioning step.
8. A screw driver according to claim 1, wherein: the adsorption part is provided with an adsorption connecting hole for connecting a negative pressure air pipe or a joint; an adsorption gap is reserved between the locking part and the locking head so as to adsorb the screw in the positioning groove.
9. A screw driver according to claim 1, wherein: one side of the batch head close to the driving end is provided with an elastic fixing sleeve, and the elastic fixing sleeve is used for fixing the second elastic element.
10. A screw driver according to claim 1, wherein: the groove wall of the positioning groove is arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410127633.2A CN117921588A (en) | 2024-01-29 | 2024-01-29 | Screw driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410127633.2A CN117921588A (en) | 2024-01-29 | 2024-01-29 | Screw driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117921588A true CN117921588A (en) | 2024-04-26 |
Family
ID=90764581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410127633.2A Pending CN117921588A (en) | 2024-01-29 | 2024-01-29 | Screw driver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117921588A (en) |
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2024
- 2024-01-29 CN CN202410127633.2A patent/CN117921588A/en active Pending
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