CN212552629U - Automatic screw locking equipment for box - Google Patents

Abstract

The utility model discloses a box automatic screw locking device, which comprises a transfer jig, an electric screwdriver module, a feeding module and a control system, wherein the transfer jig, the electric screwdriver module, the feeding module and the control system are arranged on a frame; the machine frame is provided with a feeding and discharging station and an assembling station which are arranged at intervals along the X axial direction, the transfer jig is movably arranged on the machine frame along the X axial direction, and the transfer jig horizontally reciprocates the feeding and discharging station and the assembling station along the X axial direction; the electric batch module comprises a plurality of electric batches and an electric batch driving mechanism, and is provided with an electric batch conveying mechanism; the electric batch transfer mechanism drives the electric batches to enter or exit the assembly station along the Y-axis direction. The box is transferred to an assembly station by the transfer jig, the electric screwdriver module enters the assembly station to lock and attach screws to the box, and the screws are sent to the electric screwdriver module by the feeding module; the automation degree is high, and the assembly efficiency is higher compared with the mode adopted in the traditional technology.

Description

Automatic screw locking equipment for box

Technical Field

The utility model belongs to the technical field of automation equipment and specifically relates to indicate a case automatic locking screw equipment.

Background

In industrial production, the traditional screw tightening method is generally manual tightening, the manual tightening method comprises pure manual tightening and electric screw driver tightening, and although the electric screw driver tightening method generates rotary power in an electric mode to replace the action of frequent manual tightening, the work intensity of screw locking is reduced to some extent, the manual screw placing and screw head aligning still need to occupy a large amount of work time, and therefore, the efficiency improvement is limited.

Later, automatic screw locking devices or equipment have appeared, which can achieve automatic screw locking, and the efficiency is improved compared with manual operation; however, although many automatic screw locking devices or equipment are commercially available for the trolley luggage case, the screw positions of the automatic screw locking devices or equipment are at the left and right ends of the bottom in the case, so that the existing automatic screw locking devices or equipment are difficult to align and convey the case, and the screw locking positions at the left and right ends of the bottom of the case are narrow, so that the existing automatic screw locking devices or equipment cannot be accurately operated at the screw locking positions, so that the case locking process still needs to be operated by manually holding an electric screwdriver, and particularly, the automatic screw locking is difficult to realize under the condition of high requirement on the accuracy of the locking position.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention is directed to the deficiency of the prior art, and the main objective of the present invention is to provide an automatic screw locking device for a box, which can effectively solve the problem of low efficiency of the conventional screw locking method.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an automatic screw locking device for a box comprises

The device comprises a rack, a feeding and discharging station and an assembling station, wherein the feeding and discharging station and the assembling station are arranged at intervals along the X axis;

the transfer jig is movably arranged on the rack along the X axial direction; the transfer jig is connected with a first transmission mechanism, and the first transmission mechanism drives the transfer jig to horizontally reciprocate on the feeding and discharging station and the assembling station along the X axial direction;

the electric screwdriver module is arranged on the frame and is arranged corresponding to the assembling station; the electric batch module comprises a plurality of electric batches and an electric batch driving mechanism, and is provided with an electric batch conveying mechanism; the electric batch conveying mechanism drives the electric batches to enter or exit the assembly station along the Y-axis direction;

the feeding module is arranged on the rack; the feeding module comprises a storage box, a feeding pipe and a material pushing mechanism, screws are fed from the storage box to the material pushing mechanism through the feeding pipe, and the screws are moved to the positions below the electric batches by the material pushing mechanism so as to be correspondingly sucked by the electric batches;

and the control system is respectively connected with the first transmission mechanism, the electric batch driving mechanism, the electric batch transferring mechanism and the feeding module.

As a preferred embodiment: the feeding and discharging stations are arranged at the left end and the right end of the rack, and the assembling stations are arranged in the middle of the rack;

the electric screwdriver module is arranged in the middle of the rack and located at the front end of the assembling station.

As a preferred embodiment: the left and right transfer jigs are arranged, and the two transfer jigs are connected to a first transmission mechanism;

when one of the transfer jigs enters the assembly station, the other one of the transfer jigs enters the feeding and discharging station.

As a preferred embodiment: the frame is provided with a positioning jig which can selectively move synchronously with the transfer jig;

or the positioning jig is connected with a second transmission mechanism, and the second transmission mechanism drives the positioning jig to move to the front of the transfer jig along the X axial direction.

As a preferred embodiment: the positioning jig is connected with an air cylinder and used for controlling the positioning jig to stretch along the Y-axis direction so as to enter or exit from the left end and the right end of the bottom in the box.

As a preferred embodiment: the electric screwdriver module is provided with two along the X axial direction and is respectively a first electric screwdriver module and a second electric screwdriver module.

As a preferred embodiment: a plurality of electric screwdriver of the electric screwdriver module are arranged on the electric screwdriver fixing plate, and the bottoms of the electric screwdriver are provided with suction heads;

a connecting piece for connecting a vacuum pipeline is arranged on the side edge of the suction head; the connecting piece is located all electricity of same electricity criticize the module and criticize in enclosing the regional, perhaps, the connecting piece is only in Y axial and is kept away from box side protrusion and expose all electricity of same electricity criticize the module and criticize all enclosing the regional.

Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme: the box is transferred to an assembly station by the transfer jig, the electric screwdriver module enters the assembly station to lock and attach screws to the box, and the screws are sent to the electric screwdriver module by the feeding module; the automation degree is high, and the assembly efficiency is higher compared with the mode adopted in the traditional technology;

secondly, taking two ends of the frame as feeding and discharging stations, and taking the middle part of the frame as an assembling station; the corresponding transfer jigs are arranged on the left and the right, wherein when one transfer jig carries out loading and unloading on the loading and unloading station, the other transfer jig carries out screw locking operation on the assembling station; therefore, the assembly efficiency of the equipment can be prevented from being influenced by loading and unloading, and the assembly efficiency can be further improved;

moreover, by utilizing the first electric screwdriver module and the second electric screwdriver module, one side of each electric screwdriver module, which corresponds to the box, is subjected to screw locking operation, so that the positioning and the transmission of the box can be more accurate, and the displacement error in the transmission process of the box can be reduced, thereby improving the assembly precision and the assembly yield;

the two transfer jigs share one first transmission mechanism; the whole structure of the device is simpler, the power consumption is low, and the electric energy is saved.

To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is a front view of the automatic screw locking device of the preferred embodiment of the present invention;

FIG. 2 is a left side view of the automatic screw locking device of the preferred embodiment of the present invention;

FIG. 3 is a top view of the automatic screw locking device for box according to the preferred embodiment of the present invention;

FIG. 4 is a partial schematic structural view of the automatic screw locking device of the box according to the preferred embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a first configuration of the suction head according to the preferred embodiment of the present invention;

FIG. 6 is a schematic structural view of a second embodiment of the present invention;

FIG. 7 is a schematic view of the left transfer jig according to the preferred embodiment of the present invention;

FIG. 8 is a schematic diagram of the right transfer jig according to the preferred embodiment of the present invention;

fig. 9 is a schematic structural view of a box according to a preferred embodiment of the present invention.

The attached drawings indicate the following:

10. frame 11, unloading station

12. Assembly station 13 and positioning jig

130. Cylinder 131, second transmission mechanism

1311. Second screw rod 20 and transfer jig

201. Jig 202 is transferred to left side, jig is transferred to right side

21. First transmission mechanism 211 and first screw rod

30. Electric screwdriver module 301 and first electric screwdriver module

302. Second electric screwdriver module 31, electric screwdriver

311. Electric screwdriver fixing plate 312 and suction head

313. Connecting piece 32 and electric screwdriver driving mechanism

331. Y-axis cylinder 332 and Z-axis cylinder

333. Moving plate 40 and feeding module

41. Storage box 42, feeding pipe

43. Material pushing mechanism 431 and first downward moving cylinder

432. First push cylinder 433 and push plate

50. Case 51, raised position.

Detailed Description

Referring to fig. 1 to 9, which show the specific structure of the preferred embodiment of the present invention, the present invention is an automatic screw locking device for a box 50, which comprises a frame 10, a transferring fixture 20, a screwdriver module 30, a feeding module 40 and a control system.

Referring to fig. 1 to 4, the frame 10 is provided with a feeding and discharging station 11 and an assembling station 12 which are arranged at intervals along the X-axis, and the transfer jig 20 is movably arranged on the frame 10 along the X-axis; the transfer jig 20 is connected to a first transmission mechanism 21, and the first transmission mechanism 21 drives the transfer jig 20 to horizontally reciprocate along the X-axis direction at the loading/unloading station 11 and the assembling station 12. Specifically, the first transmission mechanism 21 is a first servo motor, and the output end of the first servo motor is connected with a first screw rod 211; the first screw rod 211 extends along the X-axis, a first transmission screw hole is formed in the rear surface of the transfer fixture 20, and the first screw rod 211 is inserted into the first transmission screw hole so that the first screw rod 211 rotates to transmit the transfer fixture 20 to move; the first screw rod 211 is adopted for transmission, so that the transmission is stable, and the moving precision is higher; of course, the first transmission mechanism 21 can be replaced by a motor and a belt, a motor and a chain or a cylinder, and is not limited to the first screw 211 of the embodiment.

Referring to fig. 1 to 4, the loading and unloading stations 11 are disposed at the left and right ends of the frame 10, and the assembling station 12 is disposed at the middle of the frame 10. The left and right transfer jigs 20 are respectively a left transfer jig 201 and a right transfer jig 202, and the two transfer jigs 20 are both connected to a first transmission mechanism 21; the specific distance between the left and right sides of the transfer jig 20 is required to meet the requirement that when one transfer jig 20 enters the assembly station 12, the other transfer jig enters the feeding and discharging station 11; for example, when the left transfer jig 201 is located at the loading/unloading station 11 at the left end, the right transfer jig 201 is located in the assembling station 12; when the right transfer jig 202 is positioned at the loading and unloading station 11, the left transfer jig 201 is positioned at the assembling station 12; two transfer tool 20 for synchronous transfer, so structural setting can make this case 50 automatic screw locking equipment can satisfy go on in step with the assembly operation of going up unloading operation, stops to reduce the thing of assembly efficiency because of going up the consuming time of unloading and takes place.

Referring to fig. 1-4 and 9, the frame 10 is provided with a positioning fixture 13, and the positioning fixture 13 can selectively move synchronously with the transferring fixture 20; when the positioning fixture 13 moves synchronously with the transferring fixture 20, the positioning fixture 13 may be connected to the first transmission mechanism 21. Or, the positioning fixture 13 is connected to a second transmission mechanism 131, and the second transmission mechanism 131 drives the positioning fixture 13 to move to the front of the transferring fixture 20 along the X-axis direction; specifically, the second transmission mechanism 131 may be a second servo motor, and a second lead screw 1311 is connected to an output end of the second servo motor; the first screw rod 211 extends along the X-axis, a second transmission screw hole connected with the second screw rod 1311 is disposed on the positioning fixture 13, and the second screw rod 1311 is inserted into the second transmission screw hole to transmit the positioning fixture 13 to move along the X-axis. The positioning fixture 13 is connected with an air cylinder 130 for controlling the air cylinder to extend and retract along the Y-axis direction so as to enter or exit from the left end and the right end of the bottom in the box 50; the first transmission screw hole is formed at the bottom of the cylinder 130. In actual use, each transfer fixture 20 is correspondingly provided with one positioning fixture 13; in order to ensure better positioning of the box 50, two positioning fixtures 13 are usually required to be arranged in front of each transfer fixture 20, and the protruding position 51 at the bottom in the box 50 can be limited at the same time to ensure better positioning.

Referring to fig. 1-4, 7 and 8, the electric screwdriver module 30 is mounted in the middle of the frame 10 and is disposed corresponding to the assembling station 12 and located at the front end of the assembling station 12. The electric screwdriver module 30 comprises a plurality of electric screwdrivers 31 and electric screwdriver driving mechanisms 32; the electrode batch module 30 is configured with an electrode batch transfer mechanism that drives a plurality of electrode batches 31 in the Y-axis direction into and out of the assembly station 12. In the embodiment of the present application, two electric batch modules 30 are disposed along the X axis, namely, a first electric batch module 301 on the left side and a second electric batch module 302 on the right side; in the operation process of the equipment, if the left transfer jig 201 is located at the loading and unloading station 11 at the left end, the open end of the box 50 is directed forward and installed on the transfer jig 20, and then the first transmission mechanism 2121 is started by the control system to move the left transfer jig 201 to move right to enter the assembling station 12; after entering the assembly station 12, firstly, the screw locking operation is performed on the right side of the box 50 through the first electric screwdriver module 301, then, the right movement is continued, and the screw locking operation is performed on the left side of the box 50 through the second electric screwdriver module 302; when the left transfer jig 201 is located at the assembly station 12, the right transfer jig 202 can be loaded, and after screws are locked on the left side and the right side of the box 50 in the left transfer jig 201 completely, the box is pushed out of the assembly station 12 and reset to the left loading and unloading station 11 for unloading; after the right transfer jig 202 enters the assembly station 12, the second electric batch module 302 firstly locks the screw on the left side of the box 50 in the right transfer jig 202; the first electric batch module 301 then locks the screws on the right side of the box 50 in the right transfer tool 202. That is, the first electric screwdriver module 301 is responsible for locking the right side of the box 50, and the second electric screwdriver module 302 is responsible for locking the left side of the box 50. Due to the structural arrangement, the time for transferring the transferring jig 20 can be shortened, the assembling efficiency is higher, and the operation action of the equipment is more reasonable.

Referring to fig. 1 to 4, the electric batch transfer mechanism includes a Z-axis cylinder 332, a Y-axis cylinder 331, and a moving plate 333; the Z-axis cylinder 332 and the Y-axis cylinder 331 are installed at the frame 10, and output ends of the Z-axis cylinder 332 and the Y-axis cylinder 331 are connected to the moving plate 333, so that the moving plate 333 is movably installed at the frame 10. After the electric batch 31 is transferred into the box 50 by the Y-axis cylinder 331, the Z-axis cylinder 332 drives the electric batch to move down to a position close to the box 50 where the screw locking is needed so as to complete the screw locking operation of the electric batch.

Referring to fig. 5 and 6, preferably, the plurality of electric screwdriver blades 31 of the electric screwdriver blade module 30 are disposed on the electric screwdriver blade fixing plate 311, and the electric screwdriver blade fixing plate 311 is adjustably installed; in this way, the specific position of the electric screwdriver fixing plate 311 can be adjusted to facilitate the screw locking operation of several electric screwdrivers adapted to the boxes 50 of various gears. The bottom of the electric screwdriver is provided with a suction head 312, and the side edge of the suction head 312 is provided with a connecting piece 313 for externally connecting a vacuum pipeline; preferably, the connecting element 313 is located in all the electric screwdriver surrounding areas of the same electric screwdriver module 30, or the connecting element 313 protrudes to expose all the electric screwdriver surrounding areas of the same electric screwdriver module 30 away from the box body side only in the Y-axis direction; in this way, when the vacuum pipes are arranged, the vacuum pipes can extend upwards from the centers of the electric batons 31 to be connected with the vacuum generator or extend outwards from one sides of the electric batons 31 far away from the box body to be connected with the vacuum generator; by optimizing the specific arrangement position of the connecting part 313, the arrangement of the electric screwdriver 31 can be more compact, and the screw locking operation is more convenient.

Referring to fig. 1-4, the feeding module 40 is mounted on the frame 10, the feeding module 40 includes a storage box 41, a feeding pipe 42 and a material pushing mechanism 43, screws are fed from the storage box 41 to the material pushing mechanism 43 through the feeding pipe 42, and the screws are moved by the material pushing mechanism 43 to the lower side of the electric lots for the electric lots to correspondingly suck. Preferably, the magazine 41 is mounted on the frame 10, and a blower (not shown) is disposed in the magazine 41 to feed screws in the magazine 41 to the feeding pipe 42. The material pushing mechanism 43 includes a first downward moving cylinder 431, a first pushing cylinder 432 and a pushing plate 433, the first downward moving cylinder 431 is mounted on the moving plate 333, the first pushing cylinder 432 is mounted at the output end of the first downward moving cylinder 431, the pushing plate 433 is mounted at the output end of the first pushing cylinder 432, and the discharging end of the feeding pipe 42 is located above the pushing plate 433. The screw is pushed in a general way that the first downward moving cylinder 431 moves downward at a certain position, so that the screw in the feeding pipe 42 falls onto the pushing plate 433; then, the pushing plate 433 moves backwards to a certain position so that the screw falling into the pushing plate 433 exits from the position of the feeding pipe 42, and then the discharging end of the feeding pipe 42 of the pushing plate 433 is moved upwards to be blocked so as to prevent the screw from continuously falling out; then, the pushing plate 433 moves backwards and is driven by the first pushing cylinder 432 to move backwards, so that the screws of the pushing plate 433 are sent to the lower part of the screwdriver, and the sucking head 312 sucks the screws.

The control system is respectively connected with the first transmission mechanism 21, the electric batch driving mechanism 32, the electric batch transferring mechanism and the feeding module 40 so as to realize the automatic operation of the equipment.

Referring to fig. 7 and 8, the method for automatically locking the screw of the box comprises

Step 1, vertically installing a box 50 on a transfer jig 20 at a loading and unloading station 11, wherein a cavity opening of the box 50 is arranged forwards;

step 2, the first transmission mechanism 21 drives the transfer jig 20 to horizontally shift to the assembly station 12 along the X axis, and the screw locking process is performed: the feeding module 40 feeds screws to the lower parts of the electric batons for the screws to be absorbed, and the electric baton conveying mechanism drives the electric batons to enter from the cavity opening of the box 50 along the Y-axis direction and lock the screws; when the screw locking is completed, the electric screwdriver exits the box 50 along the Y-axis direction;

and 3, the first transmission mechanism 21 drives the transfer jig 20 to reset to the loading and unloading station 11, and the box 50 is taken down.

Specifically, two electric screwdriver modules 30 are arranged along the X-axis direction; in step 2, the first transmission mechanism 21 firstly transmits the transfer jig 20 to the rear side of the nearby electric batch module 30, the screw locking operation is firstly performed on one end of the bottom in the box 50, which is located at the rear side of the nearby electric batch module 30, and after the screw locking operation is completed on the one end, the electric batch module 30 exits from the box 50 along the Y axis; then, the first transmission mechanism 21 continues to drive the transfer jig 20 to displace along the X-axis direction until the other end of the bottom in the box 50 is located at the rear side of the other electric screwdriver module 30, the other electric screwdriver module 30 performs screw locking operation on the other end, and the other electric screwdriver module 30 exits from the box 50 along the Y-axis direction after the screw locking operation is completed; and then step 3 is carried out.

The feeding and discharging stations 11 are arranged on the left side and the right side of the frame 10, and the transfer jigs 20 are arranged on the left side and the right side; when the left transfer jig 20 enters the assembly station 12 from the left feeding and discharging station 11, the right transfer jig 20 exits the assembly station 12 and enters the right feeding and discharging station 11 along with the movement of the left transfer jig 20; when the right transfer jig 20 enters the assembly station 12 from the right loading and unloading station 11, the left transfer jig 20 exits the assembly station 12 and enters the left loading and unloading station 11 along with the movement of the right transfer jig 20; thus, the left and right boxes 50 are alternately loaded and unloaded and screw-locked.

The utility model discloses a design focus lies in: mainly through the arrangement of the transfer jig 20, the electric screwdriver module 30 and the feeding module 40, after the transfer jig 20 transfers the box 50 to the assembling station 12, the electric screwdriver module 30 enters the assembling station 12 to lock and attach screws on the box 50, and the screws are sent to the electric screwdriver module 30 through the feeding module 40; the automation degree is high, and the assembly efficiency is higher compared with the mode adopted in the traditional technology;

secondly, two ends of the frame 10 are used as a feeding and discharging station 11, and the middle part is used as an assembling station 12; the corresponding transfer jigs 20 are arranged on the left and the right, wherein when one transfer jig 20 carries out loading and unloading on the loading and unloading station 11, the other transfer jig 20 carries out screw locking operation on the assembling station 12; therefore, the assembly efficiency of the equipment can be prevented from being influenced by loading and unloading, and the assembly efficiency can be further improved;

furthermore, by using the first electric screwdriver module 301 and the second electric screwdriver module 302, each electric screwdriver module 30 performs screw locking operation on one side of the corresponding box 50, so that the positioning and the transmission of the box 50 can be more accurate, and the displacement error in the transmission process of the box 50 can be reduced, thereby improving the assembly precision and the assembly yield;

the two transfer jigs 20 share one first transmission mechanism 21; the whole structure of the device is simpler, the power consumption is low, and the electric energy is saved.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims (7)

1. The utility model provides a case automatic locking screw equipment which characterized in that: comprises that

The device comprises a rack, a feeding and discharging station and an assembling station, wherein the feeding and discharging station and the assembling station are arranged at intervals along the X axis;

the transfer jig is movably arranged on the rack along the X axial direction; the transfer jig is connected with a first transmission mechanism, and the first transmission mechanism drives the transfer jig to horizontally reciprocate on the feeding and discharging station and the assembling station along the X axial direction;

the electric screwdriver module is arranged on the frame and is arranged corresponding to the assembling station; the electric batch module comprises a plurality of electric batches and an electric batch driving mechanism, and is provided with an electric batch conveying mechanism; the electric batch conveying mechanism drives the electric batches to enter or exit the assembly station along the Y-axis direction;

the feeding module is arranged on the rack; the feeding module comprises a storage box, a feeding pipe and a material pushing mechanism, screws are fed from the storage box to the material pushing mechanism through the feeding pipe, and the screws are moved to the positions below the electric batches by the material pushing mechanism so as to be correspondingly sucked by the electric batches;

and the control system is respectively connected with the first transmission mechanism, the electric batch driving mechanism, the electric batch transferring mechanism and the feeding module.

2. The box automatic screw locking apparatus of claim 1, wherein: the feeding and discharging stations are arranged at the left end and the right end of the rack, and the assembling stations are arranged in the middle of the rack;

the electric screwdriver module is arranged in the middle of the rack and located at the front end of the assembling station.

3. The box automatic screw locking apparatus of claim 2, wherein: the left and right transfer jigs are arranged, and the two transfer jigs are connected to a first transmission mechanism;

when one of the transfer jigs enters the assembly station, the other one of the transfer jigs enters the feeding and discharging station.

4. The box automatic screw locking apparatus of claim 1, wherein: the frame is provided with a positioning jig which can selectively move synchronously with the transfer jig;

or the positioning jig is connected with a second transmission mechanism, and the second transmission mechanism drives the positioning jig to move to the front of the transfer jig along the X axial direction.

5. The box automatic screw locking apparatus of claim 4, wherein: the positioning jig is connected with an air cylinder and used for controlling the positioning jig to stretch along the Y-axis direction so as to enter or exit from the left end and the right end of the bottom in the box.

6. The box automatic screw locking apparatus of claim 1, wherein: the electric screwdriver module is provided with two along the X axial direction and is respectively a first electric screwdriver module and a second electric screwdriver module.

7. The box automatic screw locking apparatus of claim 1, wherein: a plurality of electric screwdriver of the electric screwdriver module are arranged on the electric screwdriver fixing plate, and the bottoms of the electric screwdriver are provided with suction heads;

a connecting piece for connecting a vacuum pipeline is arranged on the side edge of the suction head; the connecting piece is located all electricity of same electricity criticize the module and criticize in enclosing the regional, perhaps, the connecting piece is only in Y axial and is kept away from box side protrusion and expose all electricity of same electricity criticize the module and criticize all enclosing the regional.

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