CN109926814A - It is a kind of automatically to the equipment of embedded power lock screw - Google Patents

Abstract

The invention discloses a kind of automatically to the equipment of embedded power lock screw, it includes workbench, the turnover mechanism that can clamp workpiece is provided on workbench, the side of turnover mechanism is provided with automatically for screw mechanism, being additionally provided on workbench can be from the automatic locking screw machine structure automatically for screw mechanism taking-up screw and by screwed lock on workpiece, turnover mechanism includes the fixing seat fixed with workbench, the rotating turret being hinged in fixing seat, turnover mechanism further includes the first driving mechanism that rotating turret can be driven to rotate relative to fixing seat, it is provided with live spindle on rotating turret and drives the second driving mechanism of live spindle rotation, the support board that can be rotated together with live spindle is provided in live spindle, the positioning clamping device that can be clamped workpiece and be positioned to workpiece is provided on support board.The present invention can carry out lock screw on five faces of workpiece respectively, and work efficiency is high, reduces production cost.

Description

A device for automatically locking screws for embedded power

technical field

The invention relates to the technical field of automatic locking screws, in particular to a device for automatically locking screws for embedded power supplies.

Background technique

The automatic locking screw machine realizes the automatic conveying, tightening, testing and other processes of screws through various electric and pneumatic components, and simplifies the screw tightening process through equipment, so as to reduce the number of labor and reduce the adverse factors caused by manual misoperation. It has been widely used in various automated production lines. Automatic locking screw machine is mainly divided into: hand-held screw locking machine, multi-axis automatic locking screw machine, coordinate automatic locking screw machine. Among them, the coordinate type automatic locking screw machine is the most widely used. The batch head of the coordinate type automatic locking screw machine can be moved in translation. During the working process, the batch head moves to each point where the screw needs to be locked to tighten the screws one by one, which has a wide range of applications.

In the existing coordinate-type automatic screw-locking machine, one of the bit heads on it faces the same direction, generally downward, and the clamps of the screw-locking machine are all fixed. For the workpiece with multiple surfaces that need to be screwed, such as an embedded power supply, it needs to be clamped multiple times to achieve this, and the work efficiency is low.

SUMMARY OF THE INVENTION

In view of this, the purpose of the present invention is to provide a device for automatically locking screws on an embedded power supply. The fixture of the device can be turned over on five sides so that the bits can respectively lock the screws on the five surfaces of the workpiece.

The technical scheme that the present invention adopts for solving its technical problem is:

A device for automatically locking screws for an embedded power supply, comprising a workbench, on which a turning mechanism capable of clamping a workpiece is arranged, an automatic screw supply mechanism is arranged on one side of the turning mechanism, and the workbench is provided with an automatic screw supply mechanism. There is also an automatic locking screw mechanism that can take out the screw from the automatic screw supply mechanism and lock the screw on the workpiece. , the turning mechanism further includes a first driving mechanism capable of driving the turret to rotate relative to the fixed seat, the turret is provided with a rotating spindle and a second driving mechanism that drives the rotating spindle to rotate, and the rotating spindle is provided with a second driving mechanism. An object carrier that can be rotated together with the rotating spindle is provided, and a positioning and clamping device capable of clamping the workpiece and positioning the workpiece is provided on the object carrier.

Preferably, the main axis of rotation is perpendicular to the pivot axis of the turret.

Preferably, the positioning and clamping device includes a front-rear positioning and clamping device capable of positioning and clamping the workpiece in the front-rear direction, and a left-right positioning and clamping device capable of positioning and clamping the workpiece in the left-right direction.

Preferably, the left and right positioning and clamping device includes a limit plate fixed on the left end of the object plate and a first cylinder disposed at the right end of the object plate, the output end of the first cylinder is connected with a The ejector block pushes the workpiece toward the limit plate, and the front and rear positioning and clamping device includes a pneumatic clamping jaw capable of clamping the workpiece from the front and rear sides of the workpiece.

Preferably, both the object carrier plate and the limit plate are provided with through holes through which the bits of the automatic screw locking mechanism can pass.

Preferably, a cylinder mounting seat is fixed on the worktable, the first driving mechanism includes a second cylinder hinged on the cylinder mounting seat, and the output end of the second cylinder is connected to the turret connection.

Preferably, the second driving mechanism includes a servo motor arranged on the turret and connected with the rotating spindle.

Preferably, the worktable is provided with a conveying mechanism for conveying workpieces, the conveying mechanism is provided with a reclaiming area located on one side of the loading plate, and the conveying mechanism includes a material capable of blocking the workpieces so that the workpieces stay at The positioning and intercepting device in the reclaiming area is also provided with a manipulator capable of transporting the workpieces in the reclaiming area to the loading plate on the worktable.

Preferably, the conveying mechanism includes a conveyor belt stand fixed on the workbench, the material reclaiming area is formed in the middle of the conveyor belt stand, and the conveyor belt stand is provided with a conveyor belt and The third driving mechanism that drives the conveyor belt to run along the left and right directions, the positioning and intercepting device includes a first clamping block and a second clamping block respectively arranged on the front and rear sides of the reclaiming area, the first clamping block and the second clamping block. The clamping blocks are driven by the same driving device to move closer to or away from each other. The first clamping block is located in front of the second clamping block. an intercepting block, the second clamping block is provided with a second intercepting block protruding from the front side wall of the second clamping block, the first intercepting block is used for intercepting the side surface of the workpiece and the second intercepting block is used for intercepting The sides of the workpiece are flush.

Preferably, the conveyor belt stand is also provided with a gate mechanism capable of blocking the workpiece to restrict the workpiece from entering the reclaiming area.

The beneficial effects of the present invention are:

First, the overturning mechanism in the present invention can carry out five-sided overturning with the workpiece, so that the automatic screw locking mechanism can lock the screws on the five surfaces of the workpiece respectively;

Second, each action in the present invention is automatically completed, the work efficiency is high, and the production cost is reduced.

Description of drawings

Fig. 1 is the perspective view of the working state of the present invention;

Fig. 2 is the perspective view of the turning mechanism in the present invention;

Fig. 3 is a perspective view of a working state of the turning mechanism;

Figure 4 is a perspective view of another working state of the turning mechanism;

Fig. 5 is the perspective view of the working state of the conveying mechanism;

6 is a top view of the working state of the conveying mechanism;

Fig. 7 is the structural representation of positioning interception device;

FIG. 8 is a schematic diagram of the structure of the gate mechanism.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

Referring to FIGS. 1 to 8 , an embodiment of the present invention proposes a device for automatically locking screws for an embedded power supply, which includes a worktable 1, and a turning mechanism 3 capable of clamping a workpiece 2 is provided on the worktable 1, One side of the turning mechanism 3 is provided with an automatic screw supply mechanism 42, and the worktable 1 is also provided with an automatic screw locking mechanism 41 that can take out screws from the automatic screw supply mechanism 42 and lock the screws on the workpiece 2, so The turning mechanism 3 includes a fixed base 301 fixed to the worktable 1 , and a turret 302 hinged on the fixed base 301 . The first driving mechanism, the turret 302 is provided with a rotating spindle 303 and a second driving mechanism for driving the rotating spindle 303 to rotate, and the rotating spindle 303 is provided with a carrier plate that can rotate together with the rotating spindle 303 304 , a positioning and clamping device capable of clamping the workpiece 2 and positioning the workpiece 2 is provided on the object carrier plate 304 .

The automatic screw locking mechanism 41 is set in the form that the bit head 411 can move in three axes. Such automatic screw feeding mechanism 42 and automatic screw locking mechanism 41 are already mature technologies, and the specific structures of the two are not described here.

Preferably, the rotating main shaft 303 is substantially perpendicular to the pivot axis of the turret 302 .

Referring to FIGS. 1 to 4 , the bit 411 of the automatic screw locking mechanism 41 is located above the object carrier 304 , the object carrier 304 is arranged on the upper part of the turret 302 , and the object carrier 304 can be arranged around a line along the left-right direction. When the horizontal axis is rotated, the turret 302 can be rotated about a horizontal axis arranged in the front-rear direction. After the workpiece 2 is fixed on the object carrier 304 by the positioning and clamping device, firstly, the automatic screw locking mechanism 41 can lock the top of the workpiece 2 with screws, and then, driven by the second driving mechanism, the workpiece 2 follows the object carrier. 304 rotates a certain angle relative to the turret 302 together, so that the front side, the rear side and the bottom of the workpiece 2 are rotated to face upward in turn, so that the automatic locking screw mechanism 41 can respectively perform the front side, the rear side and the bottom of the workpiece 2. Screw locking operation; after the screws on the four surfaces of the workpiece 2 are locked, the first driving mechanism drives the turret 302, the loading plate 304 and the workpiece 2 to rotate 90 degrees relative to the fixed seat 301, so that the turning mechanism 3 is switched to FIG. 4 In the state shown, at this time, the left side of the workpiece 2 faces upward, and the automatic screw locking mechanism 41 can perform the screw locking operation on the left side of the workpiece 2 . After one workpiece 2 is completed, the turret 302 and the carrier plate 304 are restored to the initial state, and the workpiece 2 is replaced, so that a new round of five-sided locking screw operation can be performed. To sum up, the turning mechanism 3 in the present invention can take the workpiece 2 to turn five sides together, so that the automatic locking screw mechanism 41 can lock the screws on the five faces of the workpiece 2 respectively, the work efficiency is high, and the production is reduced. cost.

Preferably, the positioning and clamping device includes a front-rear positioning and clamping device 324 capable of positioning and clamping the workpiece 2 in the front-rear direction, and a left-right positioning and clamping device 305 capable of positioning and clamping the workpiece 2 in the left-right direction.

Referring to FIG. 1 , the left-right positioning and clamping device 305 includes a limiting plate 306 fixed on the left end of the object carrier 304 and a first air cylinder 307 disposed on the right end of the object carrier 304 . The first air cylinder 307 The output end is connected with a push block 308 that can push the workpiece 2 toward the limiting plate 306 .

The first air cylinder 307 pushes the workpiece 2 placed on the object carrier 304 to the left and right positions of the workpiece 2 when it is in contact with the limiting plate 306 . The front and rear positions are positioned. In this way, after the workpiece 2 is fixed on the object carrier 304, its position coordinates are determined, which is convenient for the automatic locking screw mechanism 41 to align the screw holes on the workpiece 2 to lock the screws.

Of course, the above-mentioned positioning and clamping device can also adopt other structural forms. For example, only one pneumatic clamping jaw is used. The inner sides of the two clamping blocks of the pneumatic clamping jaw are respectively provided with right-angled inner grooves, and the two clamping blocks are respectively It is clamped at the two corners of the workpiece 2 to position the workpiece 2 .

Furthermore, both the object carrier plate 304 and the limiting plate 306 are provided with through holes 309 through which the bits 411 of the automatic screw locking mechanism 41 can pass. After the workpiece 2 is fixed on the object carrier plate 304, the holes of some locking screws on the workpiece 2 may be blocked by the object carrier plate 304 or the limit plate 306. The head 411 can be inserted into the corresponding hole to perform the screw locking operation.

Referring to FIG. 3 , in this embodiment, a cylinder mounting seat 310 is fixed on the worktable 1 , and the first driving mechanism includes a second cylinder 311 hinged on the cylinder mounting seat 310 . The output end of the second cylinder 311 is connected to the turret 302 . The second driving mechanism includes a servo motor 312 arranged on the turret 302 and connected to the rotating spindle 303 .

Referring to FIG. 1 , in order to further improve the degree of automation of the present invention, the worktable 1 is provided with a conveying mechanism 5 for conveying the workpiece 2 , and the conveying mechanism 5 is provided with a reclaiming area 501 located on one side of the loading board 304 , the conveying mechanism 5 includes a positioning and intercepting device that can block the workpiece 2 to make the workpiece 2 stay in the reclaiming area 501, and the worktable 1 is also provided with a workpiece 2 capable of transporting the workpiece 2 in the reclaiming area 501 to the loading plate. Robot 6 on 304. The manipulator 6 is a common three-axis linkage manipulator 6 , and the end of the manipulator 6 is provided with at least one pneumatic gripper for clamping the workpiece 2 . One function of the manipulator 6 is to transport the workpiece 2 in the reclaiming area 501 to the loading plate 304, and another function is to take away the workpiece 2 with the screw locked. Preferably, the number of pneumatic grippers is two, When one of the pneumatic grippers is used to hold the workpiece 2, a workpiece 2 can be temporarily stored on the other pneumatic gripper for backup.

Referring to FIGS. 5 to 7 , the conveying mechanism 5 includes a conveyor belt frame 502 fixed on the workbench 1 , the reclaiming area 501 is formed in the middle of the conveyor belt frame 502 , and the conveyor belt The platform 502 is provided with a conveyor belt 503 and a third drive mechanism that drives the conveyor belt 503 to run in the left-right direction. The third drive mechanism includes a forward and reversible motor 504 disposed at the bottom of the conveyor belt platform. The positioning intercepts The device includes a first clamping block 505 and a second clamping block 506 which are respectively arranged on the front and rear sides of the reclaiming area 501. The first clamping block 505 and the second clamping block 506 are driven by the same driving device 507 and can approach or be close to each other. Moving away, the first clamping block 505 is located in front of the second clamping block 506. The first clamping block 505 is provided with a first intercepting block 508 protruding from the rear side wall of the first clamping block 505. The second clamping block 506 is provided with a second intercepting block 509 protruding from the front side wall of the second clamping block 506. The first intercepting block 508 is used to intercept the side surface of the workpiece 2 and the second intercepting block 509 is used to intercept the workpiece. 2 are flush on the sides. The driving device 507 includes a pneumatic gripper fixed at the bottom of the conveyor belt frame 502, and the two output ends of the pneumatic gripper extend to the front and rear sides of the reclaiming area 501 respectively. The two clamping blocks 506 are respectively fixed on the two output ends of the pneumatic clamping jaws. When the workpiece 2 input from one end of the conveyor belt 503 is conveyed to the reclaiming area 501, it is intercepted by the first intercepting block 508 and the second intercepting block 509, and then the first clamping block 505 and the second clamping block 506 are driven by the pneumatic clamping jaws. The workpiece 2 is clamped, and the workpiece 2 can be positioned in this process, and the positioned workpiece 2 can be taken away by the manipulator 6 .

Referring to FIG. 8 , the conveyor belt stand 502 is further provided with a gate mechanism capable of blocking the workpiece 2 to restrict the workpiece 2 from entering the reclaiming area 501 . In this embodiment, the structure of the above-mentioned gate mechanism includes a wide pneumatic gripper 511 arranged at the bottom of the workbench 1, and the two output ends of the wide pneumatic gripper 511 are located on the front and rear sides thereof. Blocks 512 located above the conveyor belt 503 are respectively fixed. When the first workpiece 2 is transported to the reclaiming area 501, the two blocks are closed to the middle under the drive of the pneumatic gripper, which can remove the other blocks on the conveyor belt 503. The workpiece 2 is blocked to avoid the problem of inaccurate positioning caused by the subsequent workpiece 2 hitting the first workpiece 2 .

The above descriptions are only the preferred embodiments of the present invention, as long as the technical solutions that achieve the purpose of the present invention by basically the same means fall within the protection scope of the present invention.

Claims (10)

1. A device for automatically locking screws to an embedded power supply, characterized in that it comprises a workbench (1), and the workbench (1) is provided with a turning mechanism (3) capable of clamping the workpiece (2), so that the One side of the turning mechanism (3) is provided with an automatic screw supply mechanism (42), and the worktable (1) is also provided with a screw capable of taking out the screw from the automatic screw supply mechanism (42) and locking the screw on the workpiece (2) The automatic locking screw mechanism (41) on the upper part, the turning mechanism (3) includes a fixing base (301) fixed with the worktable (1), and a turret (302) is hinged on the fixing base (301). , the turning mechanism (3) further comprises a first driving mechanism capable of driving the turret (302) to rotate relative to the fixed seat (301), and the turret (302) is provided with a rotating spindle (303) and a drive A second drive mechanism for rotating the rotating spindle (303), the rotating spindle (303) is provided with an object carrier (304) that can rotate together with the rotating spindle (303), and the object carrier (304) is provided on the object carrier (304) A positioning and clamping device capable of clamping the workpiece (2) and positioning the workpiece (2) is provided. 2 . The device for automatically locking screws for an embedded power supply according to claim 1 , wherein the rotating spindle ( 303 ) is perpendicular to the pivot axis of the turret ( 302 ). 3 . 3. A device for automatically locking screws for an embedded power supply according to claim 2, wherein the positioning and clamping device comprises a front and rear positioning clip capable of positioning and clamping the workpiece (2) in the front and rear directions A clamping device (324) and a left-right positioning and clamping device (305) capable of positioning and clamping the workpiece (2) in the left-right direction. 4. A device for automatically locking screws for an embedded power supply according to claim 3, wherein the left and right positioning and clamping devices (305) comprise a limiter fixed on the left end of the object carrier (304). A position plate (306) and a first air cylinder (307) arranged at the right end of the object carrier plate (304), the output end of the first air cylinder (307) is connected with an output end capable of moving the workpiece (2) toward the limit plate ( 306) A pushing block (308) for pushing, the front and rear positioning and clamping device (324) includes a pneumatic clamping jaw capable of clamping the workpiece (2) from the front and rear sides of the workpiece (2). 5 . The device for automatically locking screws for an embedded power supply according to claim 4 , wherein the object carrier plate ( 304 ) and the limit plate ( 306 ) are provided with screws for automatic locking. 6 . The through hole (309) through which the bit (411) of the mechanism (41) passes. 6 . The device for automatically locking screws for an embedded power supply according to claim 1 , wherein a cylinder mounting seat ( 310 ) is fixedly arranged on the worktable ( 1 ), and the first driving mechanism It comprises a second cylinder (311) hinged on the cylinder mounting seat (310), and the output end of the second cylinder (311) is connected with the turret (302). 7. A device for automatically locking a screw to an embedded power supply according to claim 1, wherein the second driving mechanism comprises a servo motor arranged on the turret (302) and connected to the rotating spindle (303). motor (312). 8. A device for automatically locking screws for an embedded power supply according to claim 1, wherein the worktable (1) is provided with a conveying mechanism (5) for conveying the workpiece (2). The conveying mechanism (5) is provided with a reclaiming area (501) on one side of the carrier plate (304), and the conveying mechanism (5) includes a material capable of stopping the workpiece (2) so that the workpiece (2) stays in the reclaiming A positioning and intercepting device in the area (501) is provided, and the worktable (1) is further provided with a manipulator (6) capable of transporting the workpiece (2) in the reclaiming area (501) to the loading plate (304). 9. A device for automatically locking screws to an embedded power supply according to claim 8, wherein the conveying mechanism (5) comprises a conveyor belt stand (502) fixed on the workbench (1) , the reclaiming area (501) is formed in the middle of the conveyor belt stand (502), and the conveyor belt stand (502) is provided with a conveyor belt (503) and a driving conveyor belt (503) along the A third drive mechanism operating in the left-right direction, the positioning and intercepting device includes a first clamping block (505) and a second clamping block (506) respectively disposed on the front and rear sides of the reclaiming area (501), the first clamping block (506). The block (505) and the second clamping block (506) are driven by the same driving device (507) to move closer to or away from each other, the first clamping block (505) is located in front of the second clamping block (506), the A first blocking block (508) protruding from the rear side wall of the first clamping block (505) is provided on the first clamping block (505), and the second clamping block (506) is provided with a protruding second clamping block (506) A second intercepting block (509) on the front side wall, the side of the first intercepting block (508) for intercepting the workpiece (2) and the second intercepting block (509) for intercepting the workpiece (2) side is flush. 10. A device for automatically locking screws for an embedded power supply according to claim 9, wherein the conveyor belt stand (502) is also provided with a device capable of blocking the workpiece (2) to limit the workpiece (2). ) into the gate mechanism of the reclaiming area (501).