CN216990754U

CN216990754U - Screw locking device

Info

Publication number: CN216990754U
Application number: CN202123413672.XU
Authority: CN
Inventors: 徐江炜; 徐国荣
Original assignee: Changzhou Huachuang Electronic Equipment Co ltd
Current assignee: Changzhou Huachuang Electronic Equipment Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-07-19
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses a screw locking device, which comprises a rack, wherein a bracket is fixed at the upper end of the rack, two groups of transverse modules are fixed on the bracket, a vertical module is fixed on the transverse module at one side, a screw placing mechanism is fixed on the transverse module at the other side, and a screw locking mechanism is fixed on the vertical module, and the screw locking device is characterized in that: the automatic assembling machine comprises a rack, a support, a workpiece clamping mechanism, a workpiece clamping plate, a workpiece, two groups of conveying modules and a workpiece clamping mechanism, wherein the upper end face of the rack is fixedly provided with the two groups of conveying modules, one group of conveying modules is used for placing screws, the other group of conveying modules is used for locking the screws, the conveying modules are positioned below the transverse modules on the support, the workpiece clamping mechanism is fixedly arranged on a sliding part of each conveying module and comprises the placing plate.

Description

Screw locking device

Technical Field

The utility model relates to the technical field of assembly equipment, in particular to a screw locking device.

Background

The screw locking device is an automatic device which uses an automatic mechanism to replace hands to finish taking, placing and screwing screws, is widely applied at home and abroad, is mainly applied to automobile part production and automatic assembly of computers, display screens, motors, lamps, mobile phones, printers, circuit boards, batteries, instruments and the like, can greatly improve the production efficiency, reduce the production cost and improve the reliability.

However, in the working process of the traditional screw locking device, only one workpiece can be placed, the screw needs to be placed first and then locked, so that the assembly time of the mechanism is long, the assembly line cannot work, the improvement of the assembly efficiency is not facilitated, generally, the placement and the locking of the screw are controlled by utilizing a vertical module, the assembly at each time needs to be highly calibrated, and the assembly efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a screw locking device to solve the problem of low assembly efficiency in the conventional screw locking device.

In order to solve the technical problems, the utility model provides the following technical scheme: screw locking device, which comprises a frame, the upper end of frame is fixed with the support, be fixed with two sets of horizontal modules on the support, be fixed with vertical module on the horizontal module of one side, be fixed with screw placement machine to construct on the horizontal module of opposite side, be fixed with screw locking mechanism, its characterized in that on the vertical module: the upper end face of the rack is fixedly provided with two groups of conveying modules, the conveying modules are located below the transverse modules on the support, the conveying modules are fixedly provided with workpiece clamping mechanisms, the workpiece clamping mechanisms slide together with the conveying modules, each workpiece clamping mechanism comprises a placing plate, bosses are formed on any two adjacent directions of the outer edge of each placing plate, fastening cylinders are fixed on the bosses, the tail ends of the fastening cylinders are fixedly connected with locking plates, and fastening plates are fixed on the other two directions of the outer edge of each placing plate.

According to the technical scheme, screw locking mechanism includes the mounting panel, be provided with the slide rail on the mounting panel, sliding connection slider on the slide rail, the outer end of slider is fixed with the grip block that is used for the centre gripping electricity to criticize, be provided with the fine setting cylinder on the terminal surface of grip block, the fine setting cylinder is fixed on the mounting panel, the lower terminal surface of mounting panel is fixed with the limiting plate that is located the grip block below.

According to the technical scheme, the one end of fine setting cylinder is provided with camera lens and light source, be fixed with the fixed block that sets up in fine setting cylinder one end on the mounting panel, the inside sliding connection of fixed block has the movable block, the camera lens is fixed on the outer terminal surface of movable block, the inboard threaded connection of fixed block has the adjustment handle who is used for fixed movable block, and when adjustment handle's end and movable block offset, the movable block was locked.

According to the technical scheme, the screw placing mechanism comprises a suction fixing plate, a lifting cylinder is installed on the suction fixing plate, the end part of a piston rod of the lifting cylinder is fixed with the upper end face of the suction fixing plate, a through hole is formed in the suction fixing plate, and a sucker for sucking a screw is fixed in the through hole through a bolt.

According to the technical scheme, the conveying module, the transverse module and the vertical module are linear modules, each linear module comprises a module motor, a linear guide rail, a lead screw and a nut, the module motors are in transmission connection with the lead screws, lead screw bearings are connected inside the linear guide rails, the nuts are in sliding connection with the lead screws, and the nuts are in sliding connection with the linear guide rails.

According to the technical scheme, one end of the linear guide rail is fixedly provided with the induction switches, the induction pieces are arranged among the induction switches, and the induction pieces are fixed to the back of the nut.

According to the technical scheme, the screw boxes are fixed between the conveying modules and fixed on the rack.

Compared with the prior art, the utility model has the following beneficial effects: in the utility model, the raw materials are mixed,

(1) the workpiece is fixed on the conveying modules through the two groups of conveying modules, and the screw placing process and the screw locking process are separated through the group of placing screws and the group of locking screws, so that the workpieces can work simultaneously, assembly line assembly is realized, and assembly efficiency is improved;

(2) through being provided with screw locking mechanism, utilize its inside fine setting cylinder to carry out the adjustment of position to the grip block of centre gripping batch head to the rising and the decline of control batch head are locked the screw, have avoided adjusting screw locking mechanism's height with vertical module, only need adjust the fine setting cylinder during the calibration, have reduced the stroke of mechanism's calibration, have improved assembly efficiency.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the screw locking mechanism of the present invention;

FIG. 3 is a schematic view of a lens structure of the screw locking mechanism of the present invention;

FIG. 4 is a schematic structural view of the screw placement mechanism of the present invention;

FIG. 5 is a schematic structural view of the workpiece holding mechanism of the present invention;

FIG. 6 is a schematic structural diagram of the linear module of the present invention;

in the figure: 1. a frame; 2. a support; 3. a conveying module; 31. a modular motor; 32. a lead screw; 33. a nut; 34. a linear guide rail; 35. an inductive switch; 36. an induction sheet; 4. a workpiece clamping mechanism; 41. placing the plate; 42. a fastening plate; 43. fastening the air cylinder; 44. a locking plate; 5. a transverse module; 6. a vertical module; 7. a screw locking mechanism; 71. mounting a plate; 72. a slide rail; 73. a slider; 74. a clamping plate; 741. a limiting plate; 75. finely adjusting the cylinder; 76. a fixed block; 761. a movable block; 77. a lens; 78. a light source; 79. adjusting the handle; 8. 81, a screw placing mechanism, a suction fixing plate; 82. a suction cup; 83. a lifting cylinder; 9. and (5) a screw box.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: screw locking device, including frame 1, the upper end of frame 1 is fixed with support 2, is fixed with two sets of horizontal modules 5 on the support 2, is fixed with vertical module 6 on the horizontal module 5 of one side, is fixed with screw placement mechanism 8 on the horizontal module 5 of opposite side, is fixed with screw locking mechanism 7, its characterized in that on the vertical module 6: two groups of conveying modules 3 are fixed on the upper end face of the rack 1, the conveying modules 3 are positioned below a transverse module 5 on the support 2, a workpiece clamping mechanism 4 is fixed on the conveying modules 3, the workpiece clamping mechanism 4 and the conveying modules 5 slide together, the workpiece clamping mechanism 4 comprises a placing plate 41, bosses are formed on any two directions of the outer edge of the placing plate 41, fastening cylinders 43 are fixed on the bosses, locking plates 44 are fixedly connected to the tail ends of the fastening cylinders 43, fastening plates 42 are fixed on the other two directions of the outer edge of the placing plate 41, the workpiece is clamped and fixed on the placing plate 41 by utilizing locking in two directions, screws are placed by utilizing one group through the two groups of conveying modules 3, the screws are locked by utilizing the other group, two processes are separated, so that assembly line production can be carried out, the screws are placed below the screw placing mechanism manually, meanwhile, the workpiece with the screw placed is placed below the screw locking mechanism to lock the screw, and the assembly efficiency is improved.

As shown in fig. 2, the screw locking mechanism 7 includes a mounting plate 71, a slide rail 72 is disposed on the mounting plate 71, a slide block 73 is slidably connected to the slide rail 72, a clamping plate 74 for clamping the screwdriver is fixed to an outer end of the slide block 73, a fine adjustment cylinder 75 is disposed on an end surface of the clamping plate 74, the fine adjustment cylinder 75 is fixed to the mounting plate 71, a limiting plate 741 located below the clamping plate 74 is fixed to a lower end surface of the mounting plate 71, when the screw is locked, the screw locking mechanism 7 is moved to above the component by a transverse module, and then the air pressure in the fine adjustment cylinder 75 is adjusted, so as to adjust the position of the clamping plate 74, so that the screwdriver head clamped in the clamping plate 74 can pass through the limiting plate to enter the component to be engaged with the screw, then the screwdriver head is started to lock the screw, after the screw is locked, the air pressure in the fine adjustment cylinder 75 is adjusted, so that the clamping plate 74 is lifted to drive the screwdriver head to leave, thereby realize the locking of screw, thereby utilize fine setting cylinder 75 to adjust the position of grip block 74 and control the height of criticizing the head and lock the screw, carried out many times height calibration when having avoided removing vertical module to the assembly of the same part, improved assembly efficiency, and the setting of limiting plate 741 avoids criticizing the head excessively and stretches out, causes the damage to spare part.

As shown in fig. 3, a lens 77 and a light source 78 are disposed at one end of the fine adjustment cylinder 75, a fixed block 76 disposed at one end of the fine adjustment cylinder 75 is fixed on the mounting plate 71, a movable block 761 is slidably connected inside the fixed block 76, the lens 77 is fixed on an outer end surface of the movable block 761, an adjustment handle 79 for fixing the movable block 761 is threadedly connected inside the fixed block 76, when an end of the adjustment handle 79 abuts against the movable block 761, the movable block 761 is locked, a frictional force between the movable block 761 and the fixed block 76 is controlled by an insertion depth of the adjustment handle 79 in the fixed block 76, when the adjustment handle 79 abuts against the movable block 761, the frictional force between the movable block 761 and the fixed block 76 is increased, thereby locking the movable block 761, and when the adjustment handle 79 does not abut against the movable block 761, the movable block 761 can slide in the fixed block 76, thereby adjusting a height of the lens 77, the lens 77 can be clearly imaged, and the recognition capability of the lens 77 on the screw hole position is improved.

As shown in fig. 4, the screw placing mechanism 8 includes a suction fixing plate 81, a lifting cylinder 83 is installed on the suction fixing plate 81, the end portion of a piston rod of the lifting cylinder 83 is fixed to the upper end face of the suction fixing plate 81, a through hole is formed in the suction fixing plate 81, a suction cup 82 for sucking a screw is fixed in the through hole through a bolt, the height of the suction fixing plate 81 is controlled by the movement of the piston rod of the lifting cylinder 83, the height of the suction cup 82 is further controlled, and therefore automatic suction of the screw is achieved.

As shown in fig. 5, carry module 3, horizontal module 5 and vertical module 6 are the straight line module, the straight line module includes module motor 31, linear guide 34, lead screw 32 and nut 33, module motor 31 is connected for the transmission with lead screw 32, lead screw 32 bearing connection is in linear guide 34's inside, nut 33 sliding connection is on lead screw 32, nut 33 is sliding connection with linear guide 34, it is rotatory to utilize module motor 31 rotation to drive lead screw 32, thereby drive nut 33 on the lead screw 32 and remove, the mechanism of fixing on the messenger linear module through the removal of nut 33 removes.

As shown in fig. 6, an inductive switch 35 is fixed at one end of the linear guide 34, an inductive sheet 36 is arranged between the inductive switches 35, the inductive sheet 36 is fixed at the back of the nut 33, and the inductive switch 35 is arranged at the side of the linear guide 34, so that when the nut 33 slides to the inductive switch 35, the switch of the module motor 31 can be controlled, and the nut 33 is limited.

As shown in fig. 1, the screw boxes 9 are fixed between the conveying modules 3, the screw boxes 9 are fixed on the frame 1, and the suction cups 82 are moved by the suction cups 82 to extend into the screw boxes 9 and suck screws, so that the screws are sucked into the suction cups 82, and the screws are conveniently sucked.

The working process comprises the following steps: placing screws: manually putting a workpiece into the workpiece clamping mechanism, clamping and fixing the workpiece by using the fastening air cylinder, then moving the conveying module to convey the workpiece to the lower part of the transverse module, then moving the suction disc by using the lifting air cylinder and the transverse module of the screw placing mechanism to enable the screw to be sucked by the suction disc, then moving the suction disc to the upper part of the workpiece, and putting the screw into the workpiece;

and (3) locking screws: the workpiece with the screws placed is placed on the conveying module, the workpiece is clamped by the workpiece clamping mechanism, the workpiece is moved to the lower part of the transverse module by the adjusting conveying module, the screw locking mechanism is moved to the upper part of the workpiece by the adjusting transverse module, the position of the vertical module is adjusted again, the height of the screw locking mechanism is adjusted to a position slightly higher than that of the workpiece, the screw is locked by the fine adjustment cylinder by extending the batch head into the workpiece by adjusting the position of the batch head, the batch head can be moved away by adjusting the fine adjustment cylinder, the vertical module is not required to be adjusted when the screws of large-batch workpieces are locked, the calibration stroke is shortened, the assembly efficiency is improved, the assembly line operation of screw placement and screw locking is realized simultaneously, and the assembly efficiency is improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Screw locking device, which comprises a frame, the upper end of frame is fixed with the support, be fixed with two sets of horizontal modules on the support, be fixed with vertical module on the horizontal module of one side, be fixed with screw placement machine to construct on the horizontal module of opposite side, be fixed with screw locking mechanism, its characterized in that on the vertical module: the upper end face of the rack is fixedly provided with two groups of conveying modules, the conveying modules are located below the transverse modules on the support, the conveying modules are fixedly provided with workpiece clamping mechanisms, the workpiece clamping mechanisms slide together with the conveying modules, each workpiece clamping mechanism comprises a placing plate, bosses are formed on any two adjacent directions of the outer edge of each placing plate, fastening cylinders are fixed on the bosses, the tail ends of the fastening cylinders are fixedly connected with locking plates, and fastening plates are fixed on the other two directions of the outer edge of each placing plate.

2. The screw locking device according to claim 1, wherein: screw locking mechanism includes the mounting panel, be provided with the slide rail on the mounting panel, sliding connection slider on the slide rail, the outer end of slider is fixed with the grip block that is used for the centre gripping electricity to criticize, be provided with the fine setting cylinder on the terminal surface of grip block, the fine setting cylinder is fixed on the mounting panel, the lower terminal surface of mounting panel is fixed with the limiting plate that is located the grip block below.

3. A screw locking device according to claim 2, wherein: the one end of fine setting cylinder is provided with camera lens and light source, be fixed with the fixed block that sets up in fine setting cylinder one end on the mounting panel, the inside sliding connection of fixed block has the movable block, the camera lens is fixed on the outer terminal surface of movable block, the inboard threaded connection of fixed block has the adjustment handle who is used for fixed movable block, and when adjustment handle's end and movable block offset, the movable block was locked.

4. The screw locking device according to claim 1, wherein: the screw placement mechanism is including absorbing the fixed plate, absorb and install the lift cylinder on the fixed plate, the piston rod tip of lift cylinder is fixed with the up end of absorbing the fixed plate, the through-hole has been seted up to the inside of absorbing the fixed plate, be fixed with the sucking disc that is used for absorbing the screw through the bolt in the through-hole.

5. The screw locking device according to claim 1, wherein: carry module, horizontal module and vertical module and be the linear module, the linear module includes module motor, linear guide, lead screw and nut, the module motor is connected for the transmission with the lead screw, lead screw bearing connects the inside at linear guide, nut sliding connection is on the lead screw, the nut is sliding connection with linear guide.

6. The screw locking device according to claim 5, wherein: and one end of the linear guide rail is fixedly provided with an inductive switch, an inductive sheet is arranged between the inductive switches, and the inductive sheet is fixed on the back of the nut.

7. The screw locking device according to claim 1, wherein: and a screw box is fixed between the conveying modules and is fixed on the frame.