CN115255901B - Screw locking method and device for flexible production - Google Patents
Screw locking method and device for flexible production Download PDFInfo
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- CN115255901B CN115255901B CN202210982120.0A CN202210982120A CN115255901B CN 115255901 B CN115255901 B CN 115255901B CN 202210982120 A CN202210982120 A CN 202210982120A CN 115255901 B CN115255901 B CN 115255901B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 99
- 238000007906 compression Methods 0.000 claims description 13
- 230000006835 compression Effects 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000001179 sorption measurement Methods 0.000 claims description 2
- 230000008878 coupling Effects 0.000 description 7
- 238000010168 coupling process Methods 0.000 description 7
- 238000005859 coupling reaction Methods 0.000 description 7
- 230000003139 buffering effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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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
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention relates to the technical field of screw locking, in particular to a screw locking method and device for flexible production. The technical problem to be solved is to provide a screw locking method and equipment for flexible production, which are convenient for accurately locking screws and can lock and attach articles with different thicknesses. A screw locking method and device for flexible production comprises a bottom plate, a grooved square rod, a vertical sliding rod, an electric screwdriver, a screw feeding mechanism and the like; two grooved square bars are fixedly connected on the bottom plate and are symmetrically arranged. The screw rack drives the screw guide pipe to move towards the direction close to the vertical sliding rod, so that the screw guide pipe moves to be just aligned with the electric screw driver, the screw in the screw guide pipe is conveniently added to the lower end of the electric screw driver, the height of the adjusting nut is adjusted, and therefore the height of the electric screw driver when the screw is screwed in can be adjusted, and the depth of the screw is adjusted.
Description
Technical Field
The invention relates to the technical field of screw locking, in particular to a screw locking method and device for flexible production.
Background
The screw is very common instrument, is applied to multiple field, and the screw is generally cylindrical, and the surface is carved with unsmooth screw thread, and the screw has multiple specification, can use in the article of different kinds, equidimension, often need use the screw simultaneously in the in-process of producing the processing to the article, and the screw can fasten the article progressively to this accomplishes the operation that the screw lock was attached.
In the current intelligent field, an industrial robot is adopted to realize screw locking operation, but the relative cost is higher.
In the process of locking the screw, a worker is required to hold the screw driver, the screw is aligned with the threaded hole on the object, then the screw is inserted into the threaded hole of the object, then the screw driver is aligned with the screw on the object, the screw driver is started, the tool bit of the screw driver is rotated, the screw is screwed into the threaded hole on the object, thus the operation is required to be performed for many times, the worker is easy to fatigue after long-time operation, and the subsequent screw locking can be deviated; when the screw is locked, the pressing height of the screwdriver is required to be adjusted according to the thickness of the object, so that the screw can be just screwed into the object, and when the screw is locked on a thinner object, if the screwdriver is directly pressed down, the object is easy to be penetrated.
Disclosure of Invention
In order to overcome the defect that the manual screw locking needs to be aligned for many times, workers are easy to fatigue after long-time operation, and deflection can occur when the screw is locked subsequently; the screw driver is directly pressed down, so that the defect of penetrating objects is easily caused, and the technical problem to be solved is to provide a screw locking method and equipment for flexible production, which are convenient for accurately locking screws and can lock objects with different thicknesses.
The technical scheme adopted by the invention is as follows:
the screw locking method and equipment for flexible production comprise a bottom plate, grooved square rods, vertical sliding rods, an electric screwdriver, an upper screw mechanism, a buffer mechanism, a rubber sheet, a material placing mechanism, a thin sliding block, a screw placing frame, a screw guide pipe, an air pump, a servo motor and a driving mechanism, wherein the two grooved square rods are fixedly connected to the bottom plate, the two grooved square rods are symmetrically arranged, the vertical sliding rods are fixedly connected between the two grooved square rods, the upper screw mechanism is arranged on the vertical sliding rods, the electric screwdriver is arranged on the upper screw mechanism, the buffer mechanism is provided with the rubber sheet and is connected with the bottom plate, the material placing mechanism is arranged on the bottom plate, the thin sliding block is connected between the two grooved square rods in a sliding mode, the screw placing frame is fixedly connected to one side of the thin sliding block, the screw guide pipe is fixedly connected to the screw placing frame, threads are arranged on the inner wall of the screw guide pipe, the air pump is arranged on the upper screw mechanism, the driving mechanism is arranged on the vertical sliding rods, and the servo motor is arranged on the driving mechanism, and the driving mechanism is arranged between the two grooved square rods and is connected with the vertical sliding rods.
Further, go up screw mechanism including carriage, annular fixed plate, supporting spring and trompil backup pad, vertical sliding rod upper portion slidingtype is connected with the carriage, and the sliding connection has electric screwdriver on the carriage, and the rigid coupling has annular fixed plate on the electric screwdriver, is connected with supporting spring between annular fixed plate and the carriage, and electric screwdriver passes supporting spring, and the carriage lower part rigid coupling has the trompil backup pad, and electric screwdriver is connected with the trompil backup pad slidingtype, has the air pump in the trompil backup pad rigid coupling simultaneously.
Further, buffer gear is including circular slide bar, the circular pipe support, compression spring, bolt clamping plate and take the circular rod backup pad, trompil backup pad bottom rigid coupling has two circular slide bars, two circular slide bars are the symmetry setting, sliding connection has the circular pipe support between two circular slide bars, electric screwdriver is connected with the circular pipe support is sliding, circular pipe support and air pump intercommunication, circular pipe support bottom rigid coupling has three sheet rubber, be connected with two compression springs between circular pipe support and the trompil backup pad, the circular slide bar passes compression spring, the bottom plate top rigid coupling has two bolt clamping plates, it has the screw hole to open on the bolt clamping plate, also open threaded hole on the fixture block, be connected with the fixture block through little threaded rod on the bolt clamping plate, place between two bolt clamping plates and take the circular rod backup pad, take the circular rod backup pad to be located under the circular pipe support.
Further, the discharging mechanism comprises a rotating disc with round rods, square rod plates and tension springs, the rotating disc with round rods is rotatably connected to the top of the bottom plate, a plurality of square rod plates are slidably connected to the rotating disc with round rods, and the tension springs are connected between the square rod plates and the rotating disc with round rods.
Further, the driving mechanism comprises a motor support frame, a large gear and a screw rod, wherein one side, far away from the electric screwdriver, of the upper part of the vertical sliding rod is fixedly connected with the motor support frame, a servo motor is fixedly connected on the motor support frame, an output shaft of the servo motor is rotationally connected with the motor support frame, the large gear is fixedly connected on the output shaft of the servo motor, one side, far away from the motor support frame, of the vertical sliding rod is rotationally connected with the screw rod, the upper end of the screw rod is fixedly connected with the large gear, the two large gears are meshed, and the screw rod is in threaded connection with the sliding frame.
Further, the pushing mechanism is arranged between the two grooved square bars and is connected with the vertical sliding bar, the pushing mechanism comprises a pushing spring, a thick sliding block, a first reset spring, a diagonal plate with a bar, an opening guide block, a bent bar and a second reset spring, the pushing spring is connected between the thin sliding block and the bottom plate, the thick sliding block is connected between the two grooved square bars in a sliding mode, the thick sliding block is contacted with the thin sliding block, the first reset spring is connected between the thick sliding block and the vertical sliding bar, the diagonal plate with the bar is fixedly connected on the thick sliding block, an inclined surface is arranged on the diagonal plate with the bar, the inclined surface on the diagonal plate is contacted with the sliding frame, one side, far away from the sliding frame, of the upper portion of the vertical sliding bar is fixedly connected with the opening guide block, the bent bar is connected on the opening guide block in a sliding mode, the lower end of the bent bar is contacted with one side of the thin sliding block, and the second reset spring is connected between the bent bar and the opening guide block.
Further, the novel sliding rack comprises a rotating mechanism, wherein the rotating mechanism is arranged on a bottom plate and is connected with a rotating disc with a round rod, the rotating mechanism comprises a slotted guide rod, a rack rod, an extension spring, an overrun clutch, a pinion and a T-shaped rod, the slotted guide rod is fixedly connected to the top of the bottom plate, the rack rod is connected to the slotted guide rod in a sliding mode, the extension spring is connected between the rack rod and the bottom plate, the overrun clutch is fixedly connected to the lower portion of the rotating disc with the round rod, the pinion is fixedly connected to the overrun clutch, the rack rod is meshed with the pinion, the T-shaped rod is connected to the bottom plate in a sliding mode and is located under the sliding frame, and the lower end of the T-shaped rod is in contact with the top of the rack rod.
Further, the device also comprises a limiting mechanism, wherein the limiting mechanism is arranged on the bottom plate and comprises an L-shaped rod and an adjusting nut, the L-shaped rod is fixedly connected to the top of the bottom plate, the adjusting nut is connected to the upper portion of the L-shaped rod through threads, and the adjusting nut is located below the annular fixing plate.
Further, the screw fixing mechanism is arranged on the screw placing frame and comprises an L-shaped fixing plate, a clamping plate with an inclined plane and a pressure spring, one side, close to the screw guide tube, of the screw placing frame is fixedly connected with the two L-shaped fixing plates, the two L-shaped fixing plates are symmetrically arranged, the bottom of the screw placing frame is connected with the two clamping plates with the inclined plane in a sliding mode, the two clamping plates with the inclined plane are symmetrically arranged, the two clamping plates with the inclined plane are in contact, and the pressure spring is connected between the clamping plates with the inclined plane and the L-shaped fixing plates.
Further, the method comprises the following working steps:
step one: placing a screw: the worker places the screws on the screw placing frame, the screws on the screw placing frame are arranged in a straight line, and one screw is positioned under the screw guide pipe; step two: clamping an object: the worker puts the object on the rotating disc with the round rod, and the object extrudes a plurality of square rod plates to move in the direction away from each other, so that the square rod plates clamp the object; step three: height adjustment: the worker adjusts the height of the round bar supporting plate according to the thickness of the object, so that the height of the round bar supporting plate is consistent with the height of the object; step four: the electric screwdriver rises: the worker controls the servo motor to reversely rotate, the servo motor drives one of the large gears to reversely rotate through the output shaft, one of the large gears drives the other large gear to reversely rotate, and the large gear drives the screw to reversely rotate, so that the screw drives the sliding frame and the electric screwdriver to move upwards, the electric screwdriver drives the perforated support plate and the circular sliding rod to move upwards, and the circular sliding rod drives the circular pipe frame and the rubber sheet to move upwards; step five: conveying screw: the screw placing frame drives the screw guide tube to move towards the direction close to the vertical sliding rod, so that the screw guide tube moves to be just aligned with the electric screwdriver; step six: adsorption screw: when the screw guide pipe moves to the position right below the other rubber sheet, the screw guide pipe contacts with the bottom of the other rubber sheet, and the air pump pumps air, so that one screw on the screw placing rack moves upwards into the circular pipe rack along the screw guide pipe and is adsorbed to the lower end of the electric screw driver; step seven: the electric screwdriver descends: the worker controls the servo motor to rotate positively, the servo motor drives one of the large gears to rotate positively through the output shaft, one of the large gears drives the other large gear to rotate positively, the other large gear drives the screw to rotate positively, the screw drives the sliding frame and the electric screwdriver to move downwards, the electric screwdriver drives the perforated support plate and the circular sliding rod to move downwards, and the circular sliding rod drives the circular pipe rack and the rubber sheet to move downwards; step eight: screwing in a screw: the screw at the lower end of the electric screwdriver is inserted into one of the threaded holes on the object, a worker starts the electric screwdriver, the electric screwdriver screws the screw into one of the threaded holes on the object, and the object to be processed is locked and attached with the screw; step nine: rotating the workpiece: the rack bar drives the pinion and the overrunning clutch to rotate reversely by forty-five degrees, the overrunning clutch drives the rotating disc with the round bar and the square bar plate to rotate reversely by forty-five degrees, the square bar plate drives the object on the rotating disc with the round bar to rotate reversely by forty-five degrees, the angle of the object on the rotating disc with the round bar is adjusted, and the threaded hole on the object can be just aligned with the screw at the lower end of the electric screw driver.
The invention has the beneficial effects that:
1. the workman rotates little threaded rod for the fixture block loosens and takes the round bar backup pad, pull-up or pushes down again and takes the round bar backup pad, make the height of taking the round bar backup pad unanimous with the height of article, reverse rotation little threaded rod, make the fixture block again block take the round bar backup pad, be convenient for adjust the height of taking the round bar backup pad according to the thickness of article, when two wherein rubber sheets down move to with take the contact of round bar backup pad, one of them screw hole on the article is aimed at to another one rubber sheet, electric screwdriver screws into one of them screw hole on the article with the screw, carry out the screw lock to the processing article and attach, reached the effect that can carry out the screw lock to the article of different thickness and attach.
2. The screw placing frame drives the screw guide tube to move towards the direction close to the vertical sliding rod, so that the screw guide tube moves to be just aligned with the electric screwdriver, and the screw in the screw guide tube is conveniently added to the lower end of the electric screwdriver; the square rod plate drives the object on the rotating disc with the round rod to rotate in a reversing way by forty-five degrees, and the angle of the object on the rotating disc with the round rod is adjusted, so that the threaded hole on the object can be just aligned with the screw at the lower end of the electric screwdriver.
3. When the annular fixing plate moves downwards to be in contact with the L-shaped rod, the annular fixing plate and the electric screwdriver stop moving downwards, the height of the electric screwdriver when screwing in the screw is limited, before the screw is locked, a worker can rotate the adjusting nut, the height of the adjusting nut can be adjusted, and therefore the height of the electric screwdriver when screwing in the screw can be adjusted, and the depth of screwing in the screw can be adjusted.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of the present invention.
Fig. 2 is a schematic perspective view of a second embodiment of the present invention.
Fig. 3 is a schematic perspective view of the screw feeding mechanism, the buffering mechanism and the discharging mechanism.
Fig. 4 is a schematic perspective view of the driving mechanism of the present invention.
Fig. 5 is a schematic perspective view of the pushing mechanism of the present invention.
Fig. 6 is a schematic perspective view of a rotating mechanism according to the present invention.
Fig. 7 is a schematic perspective view of a screw fixing mechanism according to the present invention.
Fig. 8 is a schematic cross-sectional perspective view of a screw guide tube according to the present invention.
Fig. 9 is a schematic view of a part of a rotating mechanism of the present invention.
Reference numerals: 1_bottom plate, 2_grooved square bar, 3_vertical slide bar, 4_electric screwdriver, 5_screw up mechanism, 51_slide, 52_annular fixed plate, 53_support spring, 54_perforated support plate, 6_buffer mechanism, 61_circular slide bar, 62_circular tube rack, 63_compression spring, 64_bolt clamping plate, 65_round bar support plate, 66_fixture block, 67_small threaded rod, 7_rubber sheet, 8_discharge mechanism, 81_round bar rotating disc, 82_square bar with plate, 83_tension spring, 91_thin slide block, 92_screw placement frame, 93_screw guide tube, 94_air pump, 10_servo motor, 11_drive mechanism, 111_motor support frame, 112_large gear, 113_screw, 12_push mechanism, 121_push spring, 122_thick slide, 123_return spring one, 124_belted ramp plate, 125_apertured guide block, 126_bent rod, 127_return spring two, 13_rotation mechanism, 131_slotted guide rod, 132_rack rod, 133_extension spring, 134_overrun clutch, 135_pinion, 136_t rod, 14_limit mechanism, 141_l rod, 142_adjustment nut, 15_screw fixation mechanism, 151_l fixation plate, 152_beveled clamping plate, 153_compression spring.
Detailed Description
Standard parts used in the invention can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, and the specific connection modes of the parts adopt conventional means such as mature bolts, rivets, welding, pasting and the like in the prior art, and the detailed description is omitted.
Example 1
The utility model provides a screw lock attaches method and equipment for flexible production, as shown in fig. 1-9, including bottom plate 1, fluting square pole 2, vertical slide pole 3, electric screwdriver 4, go up screw mechanism 5, buffer gear 6, the sheet rubber 7, feed mechanism 8, thin slider 91, screw rack 92, screw guide tube 93, air pump 94, servo motor 10 and actuating mechanism 11, the rigid coupling has two fluting square poles 2 on bottom plate 1, two fluting square poles 2 are the symmetry setting, there is vertical slide pole 3 through bolted connection between two fluting square poles 2, be equipped with screw mechanism 5 on the vertical slide pole 3, electric screwdriver 4 sets up on last screw mechanism 5, electric screwdriver 4 is used for screwing in the screw hole of article, start electric screwdriver 4, electric screwdriver 4's lower extreme screwdriver can rotate, be equipped with buffer gear 6 on last screw mechanism 5 and be connected with bottom plate 1, buffer gear 6 is used for buffering, can protect the article, be equipped with sheet rubber 7 on buffer gear 6, the sheet rubber 7 plays the cushioning effect, be equipped with feed mechanism 8 on bottom plate 1, be equipped with feed mechanism 92 on two fluting square poles 92, be used for setting up the guide tube 92, two guide tube 92, be equipped with screw mechanism 92 is used for setting up two guide tube 92, be equipped with screw mechanism 3 between two guide tube 3, the guide tube 3 is connected with screw mechanism 92, the guide tube 3 is connected with screw mechanism is equipped with screw 3, the screw mechanism is connected with 3, the screw mechanism is used for setting up between the guide tube 3, and is connected with 3 is used for setting up 3, and is used for setting up 3 has 3.
The upper screw mechanism 5 comprises a sliding frame 51, an annular fixing plate 52, a supporting spring 53 and an opening supporting plate 54, wherein the sliding frame 51 is connected to the upper portion of the vertical sliding rod 3 in a sliding mode, an electric screw driver 4 is connected to the sliding frame 51 in a sliding mode, the annular fixing plate 52 is fixedly connected to the electric screw driver 4, the supporting spring 53 is connected between the annular fixing plate 52 and the sliding frame 51 through a hook, the electric screw driver 4 penetrates through the supporting spring 53, the opening supporting plate 54 is welded to the lower portion of the sliding frame 51, the electric screw driver 4 is connected with the opening supporting plate 54 in a sliding mode, and an air pump 94 is fixedly installed on the opening supporting plate 54 at the same time.
The buffer mechanism 6 comprises round slide bars 61, round tube frames 62, compression springs 63, bolt clamping plates 64 and a round rod supporting plate 65 with holes, wherein two round slide bars 61 are fixedly connected to the bottom of the hole supporting plate 54, the two round slide bars 61 are symmetrically arranged, the round tube frames 62 are connected between the two round slide bars 61 in a sliding mode, the electric screw driver 4 is connected with the round tube frames 62 in a sliding mode, the round tube frames 62 are communicated with the air pumps 94, three rubber sheets 7 are fixedly connected to the bottom of the round tube frames 62, the rubber sheets 7 play a buffering role, the round tube frames 62 are connected with the hole supporting plate 54 through hooks, the two compression springs 63 are connected between the round tube frames 62 and the hole supporting plate 54, the round slide bars 61 penetrate through the compression springs 63, the top of the bottom plate 1 is fixedly connected with the two bolt clamping plates 64, threaded holes are formed in the clamping plates 66, the threaded holes in the threaded rod clamping plates 66 penetrate through the fixing clamping plates, the round rod supporting plate 65 are placed between the two bolt clamping plates 64, the bolt clamping plates 64 and the clamping blocks 66 are used for clamping the round rod supporting plate 65, the round tube frames 65 are located under the round tube frames 62, the round rod supporting plate 65 moves downwards to block the round rod supporting plate 65, and contacts the round rod supporting plate 65, and enables the round rod 65 to move downwards.
The discharging mechanism 8 comprises a round rod rotating disc 81, a square rod plate 82 and a tension spring 83, wherein the round rod rotating disc 81 is rotatably connected to the top of the bottom plate 1, the round rod rotating disc 81 is used for placing objects, a plurality of square rod plates 82 are slidably connected to the round rod rotating disc 81, the square rod plates 82 are used for clamping the objects on the round rod rotating disc 81, and the tension spring 83 is connected between the square rod plates 82 and the round rod rotating disc 81, so that the objects can be better locked by screws.
The driving mechanism 11 comprises a motor support 111, a large gear 112 and a screw 113, wherein the motor support 111 is welded on one side, far away from the electric screwdriver 4, of the upper part of the vertical sliding rod 3, a servo motor 10 is fixedly installed on the motor support 111, an output shaft of the servo motor 10 is rotationally connected with the motor support 111, an output shaft of the servo motor 10 penetrates through the motor support 111, one end of an output shaft of the servo motor 10 is fixedly connected with the large gear 112, one side, far away from the motor support 111, of the vertical sliding rod 3 is rotationally connected with the screw 113, the screw 113 rotates to drive the sliding frame 51 and the electric screwdriver 4 to move downwards, the large gear 112 is connected to the upper end of the screw 113 through a flat key, the two large gears 112 are meshed, and the screw 113 is in threaded connection with the sliding frame 51.
First, a worker places the screws on the screw placing frame 92, the screws on the screw placing frame 92 are arranged in a straight line, one of the screws is located under the screw guide tube 93, the worker places the object on the round bar rotating disc 81, and the object presses the square bar plates 82 to move away from each other, so that the square bar plates 82 clamp the object, and the bolt clamping plate 64 clamps the round bar supporting plate 65. The worker activates the air pump 94 and places a screw under the electric screw driver 4, and the air pump 94 pumps air so that the screw is sucked to the lower end of the electric screw driver 4.
Then, the worker controls the servo motor 10 to rotate positively and simultaneously starts the electric screwdriver 4, the servo motor 10 drives one of the large gears 112 to rotate positively through the output shaft, one of the large gears 112 drives the other large gear 112 to rotate positively, the other large gear 112 drives the screw 113 to rotate positively, the screw 113 drives the sliding frame 51 and the electric screwdriver 4 to move downwards, the electric screwdriver 4 drives the perforated support plate 54 and the circular sliding rod 61 to move downwards, the circular sliding rod 61 drives the circular pipe rack 62 and the rubber sheet 7 to move downwards, and when the two rubber sheets 7 move downwards to be in contact with the round pipe support plate 65, the rubber sheet 7 and the circular pipe rack 62 stop moving downwards; the worker rotates the small threaded rod 67 to enable the clamping block 66 to loosen the round bar supporting plate 65, then pulls up or pushes down the round bar supporting plate 65 to enable the height of the round bar supporting plate 65 to be consistent with the height of an object, and reversely rotates the small threaded rod 67 to enable the clamping block 66 to clamp the round bar supporting plate 65 again, so that the height of the round bar supporting plate 65 can be adjusted according to the thickness of the object; when two of the rubber sheets 7 move downwards to be in contact with the supporting plate 65 with the round rod, the other rubber sheet 7 is aligned with one of the threaded holes on the object, then the sliding frame 51 drives the electric screwdriver 4 to move downwards continuously, the compression spring 63 is compressed, the compression spring 63 and the rubber sheet 7 play a buffering role, the object can be protected, a screw at the lower end of the electric screwdriver 4 is inserted into one of the threaded holes on the object, the electric screwdriver 4 screws the screw into one of the threaded holes on the object, and the processed object is locked by the screw, so that the effect of locking the screws on the objects with different thicknesses is achieved.
When one screw is screwed, a worker controls the servo motor 10 to rotate reversely, the servo motor 10 drives one of the large gears 112 to rotate reversely through the output shaft, one of the large gears 112 drives the other large gear 112 to rotate reversely, the other large gear 112 drives the screw rod 113 to rotate reversely, the screw rod 113 drives the sliding frame 51 and the electric screw driver 4 to move upwards, the electric screw driver 4 drives the perforated support plate 54 and the round sliding rod 61 to move upwards, the round sliding rod 61 drives the round pipe rack 62 and the rubber sheet 7 to move upwards, when the rubber sheet 7 moves upwards to the upper side of the screw guide tube 93, the worker controls the servo motor 10 to stop rotating, the worker pushes the thin sliding block 91 and the screw guide frame 92 to move towards the direction close to the vertical sliding rod 3, the screw guide frame 92 drives the screw and the screw guide tube 93 to move towards the direction close to the vertical sliding rod 3, when the screw guide tube 93 moves to the right under the other rubber sheet 7, the screw guide tube 93 is contacted with the bottom of the other rubber sheet 7, the air pump 94 is pumped, one screw on the screw guide frame 92 moves upwards into the round pipe frame 62 along the threads in the screw guide tube 93, then the lower end of the electric screw guide tube 4 is adsorbed to the lower end of the round screw guide tube 4, then the round screw guide tube 82 is rotated, the worker rotates the round screw guide plate 81 again, and the round screw rod is driven to be processed, and the round object is processed by the round object is rotated, and the round object is then processed by the rotary plate 81. The above operations are repeated, and the screw locking operation can be continuously performed, and when the screw locking operation is completed, the worker turns off the servo motor 10, and the worker takes out the article on the rotating disc 81 with the round bar.
Example 2
On the basis of embodiment 1, as shown in fig. 5, the device further comprises a pushing mechanism 12, the pushing mechanism 12 is arranged between two grooved square rods 2 and is connected with a vertical sliding rod 3, the pushing mechanism 12 comprises a pushing spring 121, a thick sliding block 122, a first return spring 123, a first inclined rod panel 124, an opening guide block 125, a bent rod 126 and a second return spring 127, a pushing spring 121 is connected between the thin sliding block 91 and the bottom plate 1 through a hook, a thick sliding block 122 is connected between the two grooved square rods 2 in a sliding manner, the thick sliding block 122 is contacted with the Bao Huakuai 91, a first return spring 123 is connected between the thick sliding block 122 and the vertical sliding rod 3 through a hook, the inclined rod panel 124 is fixedly connected onto the thick sliding block 122, an inclined surface on the upper part of the inclined rod panel 124 is provided with an inclined surface, the inclined surface on the upper part of the inclined rod panel 124 is contacted with the sliding frame 51, the sliding frame 51 is used for propping against the inclined rod panel 124 and the thick sliding block 122, the first return spring 123 is in a stretched state, one side of the upper part of the vertical sliding rod 3 far away from the sliding frame 51 is fixedly connected with the opening guide block 125, the upper side of the opening guide block 126 is slidably connected with the bent rod 126, the lower end 126 is in a sliding state of the bent rod 126 is connected with the bent rod 126 through a hook, one side of the bent rod 126 is contacted with the bent rod 126 is used for being in a compressed state between the bent rod 126 and the side of the bent rod 91 is contacted with the thin sliding rod 126.
The sliding frame 51 is propped against the inclined rod panel 124 and the thick sliding block 122, the first return spring 123 is in a stretched state, the bent rod 126 is propped against the Bao Huakuai 91, the pushing spring 121 is in a compressed state, when the sliding frame 51 moves upwards, the sliding frame 51 does not prop against the inclined rod panel 124 any more, the first return spring 123 is restored and drives the thick sliding block 122 and the inclined rod panel 124 to move towards the direction close to the vertical sliding rod 3, the sliding frame 51 moves upwards to be contacted with the bent rod 126, the sliding frame 51 pushes the bent rod 126 to move upwards, the bent rod 126 is separated from the thin sliding block 91, the bent rod 126 does not prop against the thin sliding block 91 any more, the pushing spring 121 is restored and drives the thin sliding block 91 and the screw placing frame 92 to move towards the direction close to the vertical sliding rod 3, the screw guiding tube 93 is driven by the screw guiding tube 93 to move towards the direction just aiming at the electric screw driver 4, and screws in the screw guiding tube 93 are conveniently added to the lower end of the electric screw driver 4, and screw locking is conveniently carried out.
When the sliding frame 51 moves downwards, the sliding frame 51 is separated from the bent rod 126, the second reset spring 127 drives the bent rod 126 to reset downwards, then one screw on the screw placing frame 92 moves upwards into the round tube frame 62 along the screw guide tube 93 under the action of the air pump 94, then the sliding frame 51 continues to move downwards, the sliding frame 51 pushes the inclined rod panel 124 to reset towards the direction away from the vertical sliding rod 3, the inclined rod panel 124 drives the thick sliding block 122 to reset towards the direction away from the vertical sliding rod 3, the thick sliding block 122 pushes the thin sliding block 91 to move towards the direction away from the vertical sliding rod 3, the thin sliding block 91 pushes the bent rod 126 to move upwards, the thin sliding block 91 continues to move towards the direction away from the vertical sliding rod 3, the thin sliding block 91 is enabled to reset, the Bao Huakuai does not push the bent rod 126 any more, and the second reset spring 127 drives the bent rod 126 to reset downwards, so that the bent rod 126 is enabled to re-prop against the thin sliding block 91.
Example 3
On the basis of embodiment 2, as shown in fig. 6 and 9, the device further comprises a rotating mechanism 13, the rotating mechanism 13 is arranged on the bottom plate 1 and is connected with the rotating disc 81 with the round rod, the rotating mechanism 13 is used for driving an object to rotate, the other threaded hole on the object is just located below a screw at the lower end of the electric screwdriver 4, screw locking is facilitated, the rotating mechanism 13 comprises a slotted guide rod 131, a rack rod 132, a tension spring 133, an overrunning clutch 134, a pinion 135 and a T-shaped rod 136, the top of the bottom plate 1 is welded with the slotted guide rod 131, the slotted guide rod 131 is connected with the rack rod 132 in a sliding mode, the tension spring 133 is connected between the rack rod 132 and the bottom plate 1, the overrunning clutch 134 is fixedly connected with the pinion 135 on the lower portion of the rotating disc 81 with the round rod, the rack rod 132 is meshed with the pinion 135, the rack rod 132 is used for driving the pinion 135 to rotate, the bottom plate 1 is connected with the T-shaped rod 136 in a vertical mode, the T-shaped rod 136 is located under the sliding frame 51, the sliding frame 51 moves downwards to drive the T-shaped rod 136 to move downwards, and the T-shaped rod 136 moves downwards to be in contact with the rack rod 132.
When the sliding frame 51 moves downwards, the sliding frame 51 pushes the T-shaped rod 136 to move downwards, the T-shaped rod 136 pushes the rack rod 132 to move, the rack rod 132 drives the pinion 135 to rotate forwards for forty-five degrees, the round rod rotating disc 81 cannot rotate under the effect of the overrunning clutch 134, when the sliding frame 51 moves upwards, the sliding frame 51 is separated from the T-shaped rod 136, the sliding frame 51 does not push the T-shaped rod 136 any more, the tension spring 133 can reset and drives the rack rod 132 to reset, the rack rod 132 drives the T-shaped rod 136 to reset, meanwhile, the rack rod 132 drives the pinion 135 and the overrunning clutch 134 to rotate reversely for forty-five degrees, the overrunning clutch 134 drives the round rod rotating disc 81 and the square rod plate 82 to rotate reversely for forty-five degrees, and drives the object on the round rod rotating disc 81 to rotate, so that the other threaded hole on the object is located just below the screw at the lower end of the electric screwdriver 4, and locking is convenient.
Example 4
On the basis of embodiment 3, as shown in fig. 5, the electric screwdriver further comprises a limiting mechanism 14, the limiting mechanism 14 is arranged on the bottom plate 1, the limiting mechanism 14 is used for limiting the height of the electric screwdriver 4 when screwing in a screw, the limiting mechanism 14 comprises an L-shaped rod 141 and an adjusting nut 142, the L-shaped rod 141 is welded on the top of the bottom plate 1, the adjusting nut 142 is connected with the upper portion of the L-shaped rod 141 through threads, the adjusting nut 142 is located below the annular fixing plate 52, and the annular fixing plate 52 moves downwards to be in contact with the adjusting nut 142, so that the adjusting nut 142 blocks the annular fixing plate 52.
When the electric screw driver 4 moves downwards, the electric screw driver 4 drives the annular fixing plate 52 to move downwards, when the annular fixing plate 52 moves downwards to be in contact with the adjusting nut 142, the annular fixing plate 52 and the electric screw driver 4 stop moving downwards, the adjusting nut 142 limits the height of the electric screw driver 4 when screwing in the screw, before the screw is locked, a worker can rotate the adjusting nut 142, and the height of the adjusting nut 142 can be adjusted, so that the height of the electric screw driver 4 when screwing in the screw can be adjusted, and the depth of screwing in the screw can be adjusted.
Example 5
On the basis of embodiment 4, as shown in fig. 7, the screw fixing mechanism 15 is further included, the screw fixing mechanism 15 is disposed on the screw placing frame 92, the screw fixing mechanism 15 is used for keeping the screw between the two inclined clamping plates 152 in a vertical state, the screw fixing mechanism 15 includes an L-shaped fixing plate 151, the inclined clamping plates 152 and a pressure spring 153, one side of the screw placing frame 92, which is close to the screw guide tube 93, is welded with the two L-shaped fixing plates 151, the two L-shaped fixing plates 151 are symmetrically disposed, the bottom of the screw placing frame 92 is slidably connected with the two inclined clamping plates 152, the inclined clamping plates 152 are disposed between the two L-shaped fixing plates 151, the inclined clamping plates 152 are used for limiting the screw, the screw between the two inclined clamping plates 152 is kept in a vertical state, the two inclined clamping plates 152 are symmetrically disposed, the two inclined clamping plates 152 are in contact, and the pressure spring 153 is connected between the inclined clamping plates 152 and the L-shaped fixing plates 151.
When the screw below the screw guide tube 93 runs out, the worker pushes the rest of the screws on the screw placing frame 92 to move, one of the screws on the screw placing frame 92 pushes the two inclined clamping plates 152 to move in the direction away from each other, so that one of the screws is located between the two inclined clamping plates 152, the two inclined clamping plates 152 limit the screws, the screws between the two inclined clamping plates 152 are kept in a vertical state, then the worker continues to push the screws on the screw placing frame 92, the screws between the two inclined clamping plates 152 can move below the screw guide tube 93, the screws are conveniently supplemented, the vertical state of the screws is maintained, and the screws are conveniently and better locked.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The screw locking equipment for flexible production is characterized by comprising a bottom plate (1), grooved square rods (2), vertical sliding rods (3), an electric screw driver (4), an upper screw driver (5), a buffer mechanism (6), a rubber sheet (7), a material placing mechanism (8), a thin sliding block (91), a screw placing frame (92), a screw guide tube (93), an air pump (94), a servo motor (10) and a driving mechanism (11), wherein two grooved square rods (2) are fixedly connected to the bottom plate (1), the two grooved square rods (2) are symmetrically arranged, a vertical sliding rod (3) is fixedly connected between the two grooved square rods (2), an upper screw driver (5) is arranged on the vertical sliding rod (3), the electric screw driver (4) is arranged on the upper screw driver (5), the buffer mechanism (6) is connected with the bottom plate (1), the rubber sheet (7) is arranged on the buffer mechanism (6), the material placing mechanism (8) is arranged on the bottom plate (1), the thin sliding block (91) is connected between the two grooved square rods (2), the screw guide tube (93) is fixedly connected to one side of the screw placing frame (92), the screw guide tube (93) is fixedly connected to the screw driver (92), the air pump (94) is arranged on the upper screw mechanism (5), the driving mechanism (11) is arranged on the vertical sliding rod (3), the servo motor (10) is arranged on the driving mechanism (11), and the pushing mechanism (12) is arranged between the two grooved square rods (2) and connected with the vertical sliding rod (3);
the upper screw mechanism (5) comprises a sliding frame (51), an annular fixed plate (52), a supporting spring (53) and an opening supporting plate (54), wherein the sliding frame (51) is connected to the upper portion of the vertical sliding rod (3) in a sliding manner, an electric screw driver (4) is connected to the sliding frame (51) in a sliding manner, the annular fixed plate (52) is fixedly connected to the electric screw driver (4), the supporting spring (53) is connected between the annular fixed plate (52) and the sliding frame (51), the electric screw driver (4) penetrates through the supporting spring (53), the opening supporting plate (54) is fixedly connected to the lower portion of the sliding frame (51), the electric screw driver (4) is connected with the opening supporting plate (54) in a sliding manner, and an air pump (94) is fixedly connected to the opening supporting plate (54) at the same time;
the buffer mechanism (6) comprises round slide bars (61), round tube frames (62), compression springs (63), bolt clamping plates (64) and round rod bearing plates (65), two round slide bars (61) are fixedly connected to the bottom of each perforated support plate (54), the two round slide bars (61) are symmetrically arranged, the round tube frames (62) are connected between the two round slide bars (61) in a sliding mode, an electric screwdriver (4) is connected with the round tube frames (62) in a sliding mode, the round tube frames (62) are communicated with an air pump (94), three rubber sheets (7) are fixedly connected to the bottom of each round tube frame (62), two compression springs (63) are connected between each round tube frame (62) and each perforated support plate (54), the round slide bars (61) penetrate through the compression springs (63), two bolt clamping plates (64) are fixedly connected to the top of each bottom plate (1), threaded holes are formed in each bolt clamping plate (64), clamping blocks (66) are also formed in the corresponding threaded holes, clamping blocks (66) are connected through small threaded rods (67), the round rod bearing plates (65) are placed between the two bolt clamping plates (64), and the round rod bearing plates (65) are located under the round tube frames (62);
the discharging mechanism (8) comprises a round rod rotating disc (81), a square rod plate (82) and a tension spring (83), the round rod rotating disc (81) is rotatably connected to the top of the bottom plate (1), a plurality of square rod plates (82) are slidably connected to the round rod rotating disc (81), and the tension spring (83) is connected between the square rod plates (82) and the round rod rotating disc (81);
the driving mechanism (11) comprises a motor support frame (111), a large gear (112) and a screw (113), wherein one side, far away from the electric screw driver (4), of the upper part of the vertical sliding rod (3) is fixedly connected with the motor support frame (111), a servo motor (10) is fixedly connected to the motor support frame (111), an output shaft of the servo motor (10) is rotationally connected with the motor support frame (111), the large gear (112) is fixedly connected to the output shaft of the servo motor (10), one side, far away from the motor support frame (111), of the vertical sliding rod (3) is rotationally connected with the screw (113), the upper end of the screw (113) is fixedly connected with the large gear (112), the two large gears (112) are meshed, and the screw (113) is in threaded connection with the sliding frame (51);
the device also comprises a pushing mechanism (12), wherein the pushing mechanism (12) is arranged between the two grooved square rods (2) and is connected with the vertical sliding rod (3), the pushing mechanism (12) comprises a pushing spring (121), a thick sliding block (122) and a first reset spring (123), the device comprises a diagonal plate (124) with a rod, an opening guide block (125), a bent rod (126) and a second reset spring (127), wherein a pushing spring (121) is connected between the thin sliding block (91) and the bottom plate (1), a thick sliding block (122) is connected between the two grooved square rods (2) in a sliding mode, the thick sliding block (122) is contacted with the Bao Huakuai (91), a first reset spring (123) is connected between the thick sliding block (122) and the vertical sliding rod (3), the diagonal plate (124) with the rod is fixedly connected on the thick sliding block (122), an inclined surface is arranged on the upper portion of the diagonal plate (124) with the inclined surface, the inclined surface on the upper portion of the diagonal plate (124) with the sliding frame (51) is contacted, the side, far away from the sliding frame (51), of the upper portion of the vertical sliding rod (3) is fixedly connected with the opening guide block (125), the bent rod (126) is connected on the upper sliding mode, the lower end of the bent rod (126) is contacted with one side of the Bao Huakuai (91), and the second reset spring (127) is connected between the bent rod (126) and the opening guide block (125);
the automatic lifting device is characterized by further comprising a rotating mechanism (13), wherein the rotating mechanism (13) is arranged on the bottom plate (1) and is connected with the rotating disc (81) with the round rod, the rotating mechanism (13) comprises a slotted guide rod (131), a rack rod (132), an extension spring (133), an overrunning clutch (134), a pinion (135) and a T-shaped rod (136), the slotted guide rod (131) is fixedly connected to the top of the bottom plate (1), the rack rod (132) is slidably connected to the slotted guide rod (131), the extension spring (133) is connected between the rack rod (132) and the bottom plate (1), the overrunning clutch (134) is fixedly connected to the lower portion of the rotating disc (81) with the round rod, the pinion (135) is meshed with the rack rod (132), the T-shaped rod (136) is slidably connected to the bottom plate (1) and is positioned under the sliding frame (51), and the lower end of the T-shaped rod (136) is in contact with the top of the rack rod (132);
the device is characterized by further comprising a limiting mechanism (14), wherein the limiting mechanism (14) is arranged on the bottom plate (1), the limiting mechanism (14) comprises an L-shaped rod (141) and an adjusting nut (142), the L-shaped rod (141) is fixedly connected to the top of the bottom plate (1), the adjusting nut (142) is connected to the upper portion of the L-shaped rod (141) through threads, and the adjusting nut (142) is located below the annular fixing plate (52).
2. The screw locking equipment for flexible production according to claim 1, further comprising a screw fixing mechanism (15), wherein the screw fixing mechanism (15) is arranged on the screw placing frame (92), the screw fixing mechanism (15) comprises an L-shaped fixing plate (151), a bevel clamping plate (152) and a pressure spring (153), one side, close to the screw guide tube (93), of the screw placing frame (92) is fixedly connected with the two L-shaped fixing plates (151), the two L-shaped fixing plates (151) are symmetrically arranged, the bottom of the screw placing frame (92) is connected with the two bevel clamping plates (152) in a sliding mode, the two bevel clamping plates (152) are symmetrically arranged, the two bevel clamping plates (152) are in contact, and the pressure spring (153) is connected between the bevel clamping plates (152) and the L-shaped fixing plates (151).
3. A screw locking method for flexible production, which is realized by the screw locking equipment for flexible production according to claim 1, and specifically comprises the following working steps:
step one: placing a screw: the worker places the screws on the screw placing frame (92), the screws on the screw placing frame (92) are arranged in a straight line, and one screw is positioned under the screw guide pipe (93);
step two: clamping an object: the worker puts the object on the rotating disc (81) with the round rod, and the object extrudes a plurality of square rod plates (82) with the square rod to move away from each other, so that the square rod plates (82) with the square rod clamp the object;
step three: height adjustment: the worker adjusts the height of the round bar supporting plate (65) according to the thickness of the object, so that the height of the round bar supporting plate (65) is consistent with the height of the object;
step four: the electric screwdriver (4) rises: the worker controls the servo motor (10) to rotate reversely, the servo motor (10) drives one of the large gears (112) to rotate reversely through the output shaft, one of the large gears (112) drives the other large gear (112) to rotate reversely, the one large gear (112) drives the screw rod (113) to rotate reversely, the screw rod (113) drives the sliding frame (51) and the electric screwdriver (4) to move upwards, the electric screwdriver (4) drives the perforated support plate (54) and the circular sliding rod (61) to move upwards, and the circular sliding rod (61) drives the circular pipe rack (62) and the rubber sheet (7) to move upwards;
step five: conveying screw: the screw placing frame (92) drives the screw guide tube (93) to move towards the direction close to the vertical sliding rod (3), so that the screw guide tube (93) moves to be just aligned with the electric screwdriver (4);
step six: adsorption screw: when the screw guide pipe (93) moves to the position right below the other rubber sheet (7), the screw guide pipe (93) is in contact with the bottom of the other rubber sheet (7), and the air pump (94) pumps air, so that one screw on the screw placing frame (92) moves upwards into the circular tube frame (62) along the screw guide pipe (93) and is adsorbed to the lower end of the electric screwdriver (4);
step seven: the electric screwdriver (4) descends: the worker controls the servo motor (10) to rotate positively, the servo motor (10) drives one of the large gears (112) to rotate positively through an output shaft, one of the large gears (112) drives the other large gear (112) to rotate positively, the other large gear (112) drives the screw (113) to rotate positively, the screw (113) drives the sliding frame (51) and the electric screwdriver (4) to move downwards, the electric screwdriver (4) drives the perforated support plate (54) and the circular sliding rod (61) to move downwards, and the circular sliding rod (61) drives the circular pipe rack (62) and the rubber sheet (7) to move downwards;
step eight: screwing in a screw: the screw at the lower end of the electric screwdriver (4) is inserted into one of the threaded holes on the object, a worker starts the electric screwdriver (4), the electric screwdriver (4) screws the screw into one of the threaded holes on the object, and the object to be processed is locked and attached with the screw;
step nine: rotating the workpiece: the rack rod (132) drives the pinion (135) and the overrunning clutch (134) to rotate reversely by forty-five degrees, the overrunning clutch (134) drives the round rod rotating disc (81) and the square rod plate (82) to rotate reversely by forty-five degrees, the square rod plate (82) drives the object on the round rod rotating disc (81) to rotate reversely by forty-five degrees, the angle of the object on the round rod rotating disc (81) is adjusted, and the threaded hole on the object can be just aligned with the screw at the lower end of the electric screw driver (4).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210982120.0A CN115255901B (en) | 2022-08-16 | 2022-08-16 | Screw locking method and device for flexible production |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210982120.0A CN115255901B (en) | 2022-08-16 | 2022-08-16 | Screw locking method and device for flexible production |
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| CN115255901A CN115255901A (en) | 2022-11-01 |
| CN115255901B true CN115255901B (en) | 2024-04-02 |
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| CN115255901A (en) | 2022-11-01 |
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