CN219403150U - Automatic screw locking machine for handle of drag-lever box - Google Patents

Abstract

The utility model relates to an automatic screw locking machine for a handle of a drag-bar box. The device comprises a frame, a rotating disc, a positioning assembly, a long bolt feeding assembly, a short bolt feeding assembly and a tightening mechanism; the long bolt feeding assembly comprises a vibration disc, a guide chute connected with the vibration disc, a clamping assembly and a feeding mechanism, and two elastic baffles used for blocking the long bolts are arranged at the tail end of the guide chute. The handle is arranged on the positioning assembly, then the positioning assembly is moved to the tightening mechanism by the rotating disc, the corresponding bolts are conveyed to the tightening mechanism by the long bolt feeding assembly and the short bolt feeding assembly, the corresponding holes of the handle are screwed in by the tightening mechanism, the positioning assembly is moved to the personnel station by the rotating disc again, and the handle is manually taken down. The utility model can finish automatic screwing of the handle, only the feeding and discharging of the handle needs manual work, thereby greatly reducing the manpower requirement, greatly improving the assembling speed and quality of the bolt and improving the overall production efficiency and yield.

Description

Automatic screw locking machine for handle of drag-lever box

Technical Field

The utility model relates to a screw locking machine, in particular to an automatic screw locking machine for a handle of a drag-bar box.

Background

The hauling bar box is a common storage box for traveling and generally comprises a box body, a hauling bar and rollers, and a handle is connected to the hauling bar. At present, a long bolt and a short bolt are assembled on a handle of a towing bar box on the market (see figure 2), and in the production process, the existing automatic bolt feeding device cannot convey the bolt with the overlong length, so that the handle is also required to be assembled manually, the labor cost is increased, and the production efficiency is also influenced.

Disclosure of Invention

The utility model provides an automatic screw locking machine for a handle of a drag-lever box; solves the problem that the long bolt on the handle of the trawl box can not realize automatic feeding and can not realize automatic assembly in the prior art.

The technical problems of the utility model are mainly solved by the following technical proposal: the automatic screw locking machine for the handle of the drag-lever box comprises a frame, a rotating disc, a positioning assembly, a long bolt feeding assembly, a short bolt feeding assembly and a tightening mechanism, wherein the positioning assembly, the long bolt feeding assembly, the short bolt feeding assembly and the tightening mechanism are arranged on the rotating disc; the long bolt feeding assembly comprises a vibration disc, a guide chute connected with the vibration disc, a clamping hand assembly and a feeding mechanism, and two elastic baffles for blocking the long bolts are arranged at the tail end of the guide chute; the long bolt feeding assembly and the short bolt feeding assembly are used for conveying corresponding bolts to the tightening mechanism.

The short bolt feeding assembly is conventional customization equipment, short bolts can be output through hoses as required, and the specific structure is not repeated. The long bolts are sent into the guide chute by the vibrating plate in a fixed posture, finally reach the elastic baffle plate in a vertical downward posture, and the gap between the two elastic baffle plates is smaller than the outer diameter of the long bolts. The clamping hand assembly can move to the tail end of the guide chute and clamp the long bolt, then the long bolt is forced to be pulled, the two elastic baffles are forced to elastically deform to enlarge the distance so as to pull out the long bolt, and then the long bolt is moved into the feeding mechanism. The working principle of the utility model is as follows: the handle is installed on locating component with fixed gesture by the manual work, then the rotating disk removes locating component to screw up mechanism department, and long bolt feeding assembly, short bolt feeding assembly are with the bolt of corresponding for screw up mechanism, screw up the hole site that the mechanism screwed in the handle with the bolt and correspond, and the rotating disk removes locating component to the people station again, and the handle is taken off to the manual work. The utility model can finish automatic screwing of the handle, only the feeding and discharging of the handle needs manual work, thereby greatly reducing the manpower requirement, greatly improving the assembling speed and quality of the bolt and improving the overall production efficiency and yield.

Further, the feeding mechanism comprises a base, a blanking pipe fixed on the base, a first air cylinder driving the base to move up and down, a distributing block positioned on the lower side of the base, a second air cylinder driving the distributing block to move back and forth, and two output air pipes positioned on the distributing block. The feeding mechanism is integrally located in the lower side area of the clamping assembly, after the clamping assembly moves to the upper portion of the blanking pipe, the first air cylinder drives the base to move upwards, the blanking pipe is close to the long bolt on the clamping assembly, then the clamping assembly falls into the blanking pipe after being loosened, the second air cylinder can control the position of the distributing block, and therefore the long bolt can be controlled to fall into the output air pipe. The output air pipe is communicated with the high-pressure air pump, and the bolt is pushed to be output by high-pressure air flow.

Further, screw up mechanism including the guide pillar of vertical setting, sliding assembly be in first sliding plate, the sliding assembly on the guide pillar are in on the guide pillar and be located the second sliding plate of first sliding plate downside, be equipped with a plurality of motors on the first sliding plate, be fixed with the bolt anchor clamps of the same quantity relatively on the second sliding plate, bolt anchor clamps include two mutually articulated clamping pieces, are formed with the passageway between two clamping pieces, still are equipped with the elasticity piece that resets between two clamping pieces simultaneously, the long bolt feeding assembly or the pay-off port of short bolt feeding assembly with bolt anchor clamps intercommunication, the upper end of bolt anchor clamps is equipped with the pipe box, wear to be equipped with in the pipe box and screw up the pivot, screw up the pivot and be connected with corresponding motor drive. The action of the tightening mechanism is as follows: the second sliding plate descends to enable all the bolt clamps to descend to the upper side of the handle, each bolt clamp is opposite to one screw hole, the long bolt feeding assembly and the short bolt feeding assembly convey bolts to the bolt clamps, then the first sliding plate descends, and meanwhile the motor drives the tightening rotating shaft to rotate, and the tightening rotating shaft is pressed downwards while screwing the bolts until the bolts are screwed. The motor is preferably a servo motor, and the screw and the nut are not screwed well and automatically alarm through torque identification of the servo motor.

Further, a position-adjustable adjusting rod is arranged on the second sliding plate, the bolt clamp is fixed on the adjusting rod, and a universal shaft assembly is connected between the tightening rotating shaft and the motor. Therefore, the bolt clamp can be freely adjusted in position in a certain range, and the debugging work is facilitated.

Further, screw up the mechanism and still including fixing the third cylinder and the push rod that vertical downward set up in the guide pillar upper end, the bottom of push rod is equipped with the support the bearing piece of second sliding plate, two stop nut are established at the middle part of push rod, are equipped with two springs between two stop nut, and first sliding plate is between stop nut and spring, the bottom of guide pillar is equipped with the stopper. Under the spacing of spring, the screw up pivot lower extreme under the normality is kept away from the bolt jig, avoids producing the shielding to the bolt delivery port, and when the bolt jig needs to descend, the third cylinder promotes the push rod and descends, and the second sliding plate receives gravity along with the support piece together descends, until supporting with the stopper in proper place, and then the push rod continues to push down, and first sliding plate is synchronous to descend with the screw up pivot, because the decline speed of screw up bolt and the speed of push rod are not necessarily synchronous, and the spring accessible self-adaptation warp and avoid the mechanical shock that the speed difference produced.

Further, the positioning assembly comprises a base fixed on the rotating disc, a compressing block connected with the base in a rotating mode and a positioning cylinder driving the compressing block to overturn up and down.

Further, the positioning assembly further comprises a positioning plate fixed on one side of the base, and a pressing cylinder and a pressing block are further arranged on the frame. Before the tightening mechanism starts to act, the compression cylinder drives the compression block to be abutted against the handle to be tightened, and the handle can be firmly fixed by matching with the positioning plate.

Therefore, compared with the prior art, the utility model has the following characteristics: 1. the long bolt feeding assembly realizes automatic conveying of long bolts, the bolts can be automatically screwed by matching with the screwing mechanism, labor is required for feeding and discharging of the handles, the labor requirement is greatly reduced, meanwhile, the assembling speed and quality of the bolts are greatly improved, and the overall production efficiency and yield are improved.

Drawings

FIG. 1 is a schematic illustration of a construction of the present utility model;

FIG. 2 is a schematic view of the structure of the positioning assembly;

FIG. 3 is an enlarged view of portion A of FIG. 1;

FIG. 4 is a schematic structural view of a long bolt feed assembly;

FIG. 5 is a schematic structural view of a feeding mechanism;

FIG. 6 is a cross-sectional view of the feed mechanism;

FIG. 7 is a schematic structural view of a bolt clamp;

fig. 8 is a schematic structural view of a single set of tightening mechanisms.

Detailed Description

The technical scheme of the utility model is further specifically described below through examples and with reference to the accompanying drawings.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Example 1: referring to fig. 1 and 4, an automatic screw locking machine for a handle of a drag-lever box comprises a frame 100, a rotating disc 200, four positioning assemblies 300 arranged on the rotating disc, a long bolt feeding assembly 400, a short bolt feeding assembly 500 and a tightening mechanism 600; the long bolt feeding assembly comprises a vibration disc 410, a guide chute 420 connected with the vibration disc, a clamping hand assembly 430 and a feeding mechanism 440, wherein the clamping hand assembly is a finger cylinder, is an existing product, the appearance of the clamping hand can be customized according to the specific model of a bolt, and two elastic baffles 450 for blocking the long bolt are arranged at the tail end of the guide chute; the long bolt feeding assembly and the short bolt feeding assembly are used for conveying corresponding bolts to the tightening mechanism.

The short bolt feeding assembly is conventional customization equipment, short bolts can be output through hoses as required, and the specific structure is not repeated. The long bolts are sent into the guide chute by the vibrating plate in a fixed posture, finally reach the elastic baffle plate in a vertical downward posture, and the gap between the two elastic baffle plates is smaller than the outer diameter of the long bolts. The clamping hand assembly can move to the tail end of the guide chute and clamp the long bolt, then the long bolt is forced to be pulled, the two elastic baffles are forced to elastically deform to enlarge the distance so as to pull out the long bolt, and then the long bolt is moved into the feeding mechanism. The working principle of the embodiment is as follows: the handle is installed on locating component with fixed gesture by the manual work, then the rotating disk removes locating component to screw up mechanism department, and long bolt feeding assembly, short bolt feeding assembly are with the bolt of corresponding for screw up mechanism, screw up the hole site that the mechanism screwed in the handle with the bolt and correspond, and the rotating disk removes locating component to the people station again, and the handle is taken off to the manual work. According to the embodiment, the automatic screwing of the handle can be completed, only the feeding and discharging of the handle needs manual work, the manpower demand is greatly reduced, the assembling speed and quality of the bolts are greatly improved, and the overall production efficiency and yield are improved.

Referring to fig. 5 and 6, the feeding mechanism includes a base 441, a blanking pipe 442 fixed to the base, a first air cylinder 443 driving the base to move up and down, a distributor block 444 positioned at the lower side of the base, a second air cylinder 445 driving the distributor block to reciprocate, and two output air pipes 446 positioned on the distributor block. The feeding mechanism is integrally located in the lower side area of the clamping assembly, after the clamping assembly moves to the upper portion of the blanking pipe, the first air cylinder drives the base to move upwards, the blanking pipe is close to the long bolt on the clamping assembly, then the clamping assembly falls into the blanking pipe after being loosened, the second air cylinder can control the position of the distributing block, and therefore the long bolt can be controlled to fall into the output air pipe. The output air pipe is communicated with the high-pressure air pump, and the bolt is pushed to be output by high-pressure air flow.

Referring to fig. 7 and 8, the tightening mechanism includes two vertically disposed guide posts 610, a first sliding plate 620 slidingly assembled on the guide posts, a second sliding plate 630 slidingly assembled on the guide posts and located at the lower side of the first sliding plate, four motors 640 are disposed on the first sliding plate, four sets of bolt clamps 650 are relatively fixed on the second sliding plate, two sets of bolt clamps are used for tightening long bolts, two sets of bolt clamps include two clamping pieces 651 hinged to each other, a channel 652 is formed between the two clamping pieces, an elastic reset piece 653 is also disposed between the two clamping pieces, a feeding port of the long bolt feeding assembly or the short bolt feeding assembly is communicated with the bolt clamps, a pipe sleeve 660 is disposed at the upper end of the bolt clamps, a tightening rotating shaft 670 is disposed in the pipe sleeve in a penetrating manner, and the tightening rotating shaft is in transmission connection with the corresponding motor. The action of the tightening mechanism is as follows: the second sliding plate descends to enable all the bolt clamps to descend to the upper side of the handle, each bolt clamp is opposite to one screw hole, the long bolt feeding assembly and the short bolt feeding assembly convey bolts to the bolt clamps, then the first sliding plate descends, and meanwhile the motor drives the tightening rotating shaft to rotate, and the tightening rotating shaft is pressed downwards while screwing the bolts until the bolts are screwed. The motor is preferably a servo motor, and the screw and the nut are not screwed well and automatically alarm through torque identification of the servo motor.

Referring to fig. 8, a position-adjustable adjusting rod 631 is provided on the second sliding plate, a bolt fixture is fixed on the adjusting rod, and a universal shaft assembly 680 is connected between the tightening shaft and the motor. Therefore, the bolt clamp can be freely adjusted in position in a certain range, and the debugging work is facilitated.

Referring to fig. 8, the tightening mechanism further includes a third cylinder 690 fixed at the upper end of the guide post and a push rod 691 arranged vertically downward, a supporting member 692 for supporting the second sliding plate is arranged at the bottom of the push rod, two limit nuts 693 are arranged in the middle of the push rod, two springs 694 are arranged between the two limit nuts, the first sliding plate is arranged between the limit nuts and the springs, and a limiting block 611 is arranged at the bottom of the guide post. Under the spacing of spring, the screw up pivot lower extreme under the normality is kept away from the bolt jig, avoids producing the shielding to the bolt delivery port, and when the bolt jig needs to descend, the third cylinder promotes the push rod and descends, and the second sliding plate receives gravity along with the support piece together descends, until supporting with the stopper in proper place, and then the push rod continues to push down, and first sliding plate is synchronous to descend with the screw up pivot, because the decline speed of screw up bolt and the speed of push rod are not necessarily synchronous, and the spring accessible self-adaptation warp and avoid the mechanical shock that the speed difference produced.

Referring to fig. 1 and 2, the positioning assembly includes a base 310 fixed to a rotating disc, a compressing block 320 rotatably coupled with respect to the base, and a positioning cylinder 330 driving the compressing block to be turned upside down.

Referring to fig. 3, the positioning assembly further includes a positioning plate 340 fixed on one side of the base, and a pressing cylinder 350 and a pressing block 360 are further disposed on the frame. Before the screwing mechanism starts to act, the pressing cylinder drives the pressing block to be abutted against the handle to be screwed, and the handle can be firmly fixed by matching with the positioning plate.

It will be obvious to those skilled in the art that the present utility model may be varied in a number of ways without departing from the scope of the utility model. All such modifications as would be obvious to one skilled in the art are intended to be included within the scope of this claims.

Claims (6)

1. The utility model provides a tow bar case handle automatic lock screw machine, be equipped with long bolt and short bolt on the handle, its characterized in that: the device comprises a rotating disc, a positioning assembly, a long bolt feeding assembly, a short bolt feeding assembly and a tightening mechanism, wherein the positioning assembly, the long bolt feeding assembly, the short bolt feeding assembly and the tightening mechanism are arranged on the rotating disc; the long bolt feeding assembly comprises a vibration disc, a guide chute connected with the vibration disc, a clamping hand assembly and a feeding mechanism, wherein two elastic baffles for blocking the long bolt are arranged at the tail end of the guide chute, and the clamping hand assembly is configured to forcedly pull the long bolt out of the elastic baffles and put the long bolt into the feeding mechanism; the long bolt feeding assembly and the short bolt feeding assembly are used for conveying corresponding bolts to the tightening mechanism.

2. The automatic screw locking machine for a handle of a draw-bar box of claim 1, wherein: the feeding mechanism comprises a base, a blanking pipe fixed on the base, a first air cylinder driving the base to move up and down, a distributing block positioned on the lower side of the base, a second air cylinder driving the distributing block to move back and forth, and two output air pipes positioned on the distributing block.

3. The automatic screw locking machine for a handle of a draw-bar box of claim 2, wherein: the tightening mechanism comprises a guide pillar which is vertically arranged, a first sliding plate which is assembled on the guide pillar in a sliding manner, and a second sliding plate which is assembled on the guide pillar and is positioned at the lower side of the first sliding plate, wherein a plurality of motors are arranged on the first sliding plate, the same number of bolt clamps are relatively fixed on the second sliding plate, each bolt clamp comprises two clamping pieces which are mutually hinged, a channel is formed between the two clamping pieces, an elastic reset piece is arranged between the two clamping pieces, a long bolt feeding assembly or a feeding port of the short bolt feeding assembly is communicated with the corresponding bolt clamps, a pipe sleeve is arranged at the upper end of each bolt clamp, a tightening rotating shaft is arranged in the pipe sleeve in a penetrating manner, and the tightening rotating shaft is in transmission connection with the corresponding motor.

4. A draw-bar box handle automatic screw locking machine according to claim 3, characterized in that: the second sliding plate is provided with a position-adjustable adjusting rod, the bolt clamp is fixed on the adjusting rod, and a universal shaft assembly is connected between the tightening rotating shaft and the motor.

5. The automatic screw locking machine for a handle of a draw-bar box of claim 4, wherein: the tightening mechanism further comprises a third cylinder fixed at the upper end of the guide post and a push rod vertically arranged downwards, a supporting piece for supporting the second sliding plate is arranged at the bottom of the push rod, two limit nuts are arranged in the middle of the push rod, two springs are arranged between the two limit nuts, the first sliding plate is arranged between the limit nuts and the springs, and a limiting block is arranged at the bottom of the guide post.

6. The automatic screw locking machine for a handle of a draw-bar box of claim 1, wherein: the positioning assembly comprises a base fixed on the rotating disc, a compressing block connected with the base in a rotating mode and a positioning cylinder driving the compressing block to overturn up and down.