CN210338379U

CN210338379U - Box body tightening machine

Info

Publication number: CN210338379U
Application number: CN201920734497.8U
Authority: CN
Inventors: 张鹏; 彭增义; 张建新
Original assignee: Suzhou Xiaojiang Intelligent Manufacturing Technology Co Ltd
Current assignee: Suzhou Xiaojiang Intelligent Manufacturing Technology Co Ltd
Priority date: 2019-05-21
Filing date: 2019-05-21
Publication date: 2020-04-17
Anticipated expiration: 2029-05-21

Abstract

The utility model discloses a box body tightening machine, it includes: the device comprises a frame (2), a lifting device (5) and a tightening device (6); the lifting device (5) comprises a lifting component (50) arranged on the rack (2) and a clamping component (52) connected with the lifting component (50); the clamping component (52) clamps the lower box body (11), and the lifting component (50) drives the clamping component (52) to lift; tightening means (6) including install in mounting bracket (60) in frame (2), install in second motor (61) on mounting bracket (60) and by second motor (61) drive rotatory second pneumatic finger (63), box body (10) are gone up in the centre gripping of second pneumatic finger (63), and last box body (10) of second pneumatic finger (63) centre gripping are located directly over lower box body (11) of centre gripping subassembly (52) centre gripping. The utility model discloses a box body tightening machine can screw up box body and lower box body automatically.

Description

Box body tightening machine

Technical Field

The utility model relates to an automation equipment field, in particular to box body tightens up machine.

Background

As shown in fig. 1, when a product boxing operation is performed, a product (not shown) needs to be placed in the lower box body 11, then the outer flange 12 of the upper box body 10 is sleeved with the O-ring 13, the upper box body 10 and the lower box body 11 are provided with mutually matched threads, and the upper box body 10 and the lower box body 11 are aligned and then screwed to complete the product boxing operation.

At present, the boxing operation of the products is manually completed, so that the labor cost is high, the boxing efficiency is low, the production cost is not reduced, and the production efficiency is improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to the above-mentioned defect among the prior art, provide a box body tightening machine, it can be automatic will go up the box body and tighten down the box body to use manpower sparingly, improve production efficiency.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme: a box body tightening machine, comprising:

a frame;

the lifting device comprises a lifting component arranged on the rack and a clamping component connected with the lifting component; the clamping assembly clamps the lower box body, and the lifting assembly drives the clamping assembly to lift;

the tightening device comprises a mounting frame mounted on the rack, a second motor mounted on the mounting frame and a second pneumatic finger driven by the second motor to rotate, the second pneumatic finger is clamped by the upper box body, and the upper box body clamped by the second pneumatic finger is located right above the lower box body clamped by the clamping component.

Furthermore, the utility model discloses still provide following subsidiary technical scheme:

the lifting assembly comprises a first motor connected to the rack, a lead screw driven to rotate by the first motor and a lead screw nut matched and connected with the lead screw.

The clamping assembly comprises a first air claw connected with the lead screw nut and clamping plates connected to fingers on two sides of the first air claw.

The tightening device further comprises a rotating shaft connected with the second pneumatic finger, a bearing with a seat fixed on the mounting rack and a transmission assembly connected between the rotating shaft and the second motor.

The box body screwing machine further comprises a conveying line for conveying the lower box body, and the conveying line conveys the lower box body to the position below the clamping assembly.

The box body screwing machine further comprises an anti-disengaging device, wherein the anti-disengaging device comprises a first air cylinder arranged on the rack and a first push plate connected with the first air cylinder, an O-shaped ring is sleeved on the upper box body, and the first air cylinder drives the first push plate to extend to the position below the O-shaped ring.

The box body tightening machine further comprises a positioning device for positioning the upper box body and a carrying device for moving the upper box body at the positioning device to the second pneumatic finger.

The positioning device comprises a second pneumatic claw and a fixing plate connected to fingers on two sides of the second pneumatic claw, and the fixing plate is provided with an inwards-concave arc-shaped surface.

The carrying device comprises an industrial robot, an adapter connected with the industrial robot, a first pneumatic finger connected to the adapter and a plurality of supporting pieces driven by the first pneumatic finger to open and close, and the supporting pieces are connected with the inner surface of the upper box body in a matched mode.

The carrying device further comprises an anti-falling part connected to the adapter, an O-shaped ring is sleeved on the upper box body, and a blocking part extending to the position below the O-shaped ring is arranged on the anti-falling part.

Compared with the prior art, the utility model has the advantages of:

1. the box body screwing machine can automatically screw the upper box body and the lower box body by arranging the lifting device which can clamp the lower box body and drive the lower box body to move up and down and the screwing device which can clamp the upper box body and drive the upper box body to rotate, so that the upper box body and the lower box body are installed, and the production efficiency is greatly improved;

2. by arranging the anti-falling assembly, the O-shaped ring on the upper box body cannot fall off accidentally, and the reliability is higher;

3. the box body screwing machine can automatically screw the positioning device and the upper and lower box bodies at the conveying line through the arrangement of the conveying line for conveying the lower box body, the positioning device for placing the upper box body and the conveying device for moving the upper box body, so that the production efficiency is higher;

4. the carrying device is provided with the anti-falling piece, so that the O-shaped ring on the upper box body after the upper box body is turned over can be prevented from falling, and the reliability is higher.

Drawings

Fig. 1 is a schematic structural view of the upper and lower box bodies of the present invention.

Fig. 2 is a schematic structural view of the box body tightening machine of the present invention.

Fig. 3 is a schematic structural diagram of the middle lifting device of the present invention.

Fig. 4 is a schematic structural view of another viewing direction of the lifting device of the present invention.

Fig. 5 is a schematic structural view of the first air gripper of the present invention.

Fig. 6 is a schematic structural view of the placing rack of the present invention.

Fig. 7 is a schematic structural view of the conveying device of the present invention.

Fig. 8 is an enlarged view of a portion a in fig. 7.

Fig. 9 is a schematic structural view of the upper box body fixed by the middle carrying device of the present invention.

Fig. 10 is a schematic plan view of the structure of fig. 9.

Fig. 11 is a schematic structural view of the tightening device of the present invention connected to the frame.

Fig. 12 is a schematic structural view of the tightening device according to the present invention.

Fig. 13 is a schematic structural view of the anti-separation device connected to the frame.

Fig. 14 is a schematic structural view of the first cylinder and the first push plate of the present invention.

Detailed Description

The following non-limiting detailed description of the present invention is provided in connection with the preferred embodiments and accompanying drawings.

As shown in fig. 2, the upper and lower box screwing machine according to the preferred embodiment of the present invention includes a frame 2, a conveying line 3, a carrying device 4, a lifting device 5, a screwing device 6, an O-ring anti-loosening device 7, and an upper box positioning device 8.

The frame 2 is used for mounting devices such as a lifting device 5, a tightening device 6, an O-ring anti-drop device 7, and the like, and is preferably formed by welding square pipes.

The conveying line 3 is used for conveying the lower box body 11 filled with the products to the lower part of the lifting device 5, and can adopt a belt conveying line or a chain plate conveying line and the like which are commonly used in the prior art. An opposite type photoelectric sensor (not shown) can be arranged at a position below the lifting device 5 on the conveying line 3, when the lower box body 11 shields light rays between the opposite type photoelectric sensors, the conveying is indicated to be in place, and the control system controls the conveying line 3 to stop conveying.

As shown in fig. 3 to 5, the lifting device 5 includes a lifting member 50 mounted on the frame 2, a mounting plate 501 connected to the lifting member 50, and a clamping member 52 mounted on the mounting plate 501. The clamping assembly 52 is used for clamping the lower box body 11 on the conveying line 3, and the lifting device 5 is used for driving the clamping assembly 52 to ascend or descend.

The lifting assembly 50 includes a first motor 51 mounted on the frame 2, a lead screw 54 driven by the first motor 51, and a lead screw nut 59 coupled to the lead screw 54. The first motor 51 and the lead screw 54 transmit power through a timing belt assembly, and the timing belt assembly comprises a first belt wheel 541 mounted at the shaft end of the first motor 51, a second belt wheel 540 mounted at the end of the lead screw 54, and a timing belt 542 connected between the first belt wheel 541 and the second belt wheel 540. The two ends of the lead screw 54 are connected to the frame 2 through the lead screw supporting seat 53, and when the first motor 51 rotates, the lead screw 54 is driven to rotate, and the lead screw nut 59 will make a linear motion on the lead screw 54. A slide rail 510 is provided between the mounting plate 501 and the frame 2 to allow smooth movement.

The mounting plate 501 is bolted to the spindle nut 59 and is movable with the spindle nut 59.

The clamping assembly 52 comprises a first air claw 55 installed on the installation plate 501, fingers 56 on two sides of the first air claw 55 are connected with a clamping plate 57, the clamping plate 57 is provided with an inwards concave arc surface 58, the lower box body 11 is clamped in the arc surface 58, the lower box body 11 can be conveniently clamped, and the lower box body 11 is prevented from shifting. Preferably, the first pneumatic gripper 55 is a translational pneumatic gripper which drives the fingers 56 on both sides thereof toward and away from each other, and the two clamping plates 57 toward and away from each other, thereby clamping or unclamping the lower case 11. After the lower box 11 is moved to the proper position, the lifting assembly 50 can drive the clamping assembly 52 to move downward under the control of the control system, the clamping assembly 52 clamps the lower box 11, and then the lifting assembly 50 can lift the lower box 11.

As shown in fig. 6, the positioning device 8 is used for placing the upper box body 10 sleeved with the O-ring 13, the upper box body 10 is placed on the positioning device 8, and the opening of the upper box body 10 faces upwards. The positioning device 8 is positioned at the left side of the conveyor line 3 and comprises a placing frame 84 and a positioning assembly 80 connected to the placing frame 84, wherein the positioning assembly 80 is used for positioning the upper box body 10 and comprises a second pneumatic claw 81 fixed on the placing frame 84. All be connected with a fixed plate 82 on the finger of second gas claw 81 both sides, set up the arcwall face 83 of indent on the fixed plate 82, with last box body 10 centre gripping in arcwall face 83, box body 10 in the location that can be accurate. The second air gripper 81 is preferably a translational type air gripper which drives the two fixing plates 82 to move toward and away from each other, thereby clamping or releasing the upper case 10, and when the second air gripper 81 clamps the upper case 10, the upper case 10 is positioned on the positioning device 8.

As shown in fig. 7 to 9, the handling device 4 is used for moving the upper case 10 on the positioning device 8 to the tightening device 6, and includes an industrial robot 40, an adaptor 41 connected to a wrist portion of the industrial robot 40, a first pneumatic finger 42 mounted on the adaptor 41, and a release preventing member 43 connected to the adaptor 41. The first pneumatic finger 42 has three fingers capable of being opened and closed, a support 44 is provided on each finger, and the support 44 is provided with an outer arc surface 44a matched with the inner surface of the upper case 10. When the first pneumatic finger 42 is in a contracted state, the support members 44 can extend into the upper box 10, and after the first pneumatic finger 42 is opened, the three support members 44 support the inner surface of the upper box 10, and at this time, the industrial robot 40 drives the upper box 10 to move.

Because the opening of the lower box body 11 at the clamping assembly 52 faces upwards, the upper box body 10 needs to be turned downwards to be matched and screwed with the lower box body 11, and the anti-falling part 43 can prevent the O-shaped ring 13 from falling off from the upper box body 10 in the turning process. Specifically, as shown in fig. 10, the retaining member 43 includes a main body 430 connected to the adaptor 41 and a blocking portion 431 connected to the main body 430, the blocking portion 431 extends from the main body 430 to a lower portion of the O-ring 13 toward the first pneumatic finger 42, and when the upper case 10 is turned over, the blocking portion 431 can be supported below the O-ring 13 to prevent the O-ring 13 from falling.

As shown in fig. 11 to 12, the tightening device 6 is used to grip the upper case 10 and rotate, thereby tightening the upper case 10 to the lower case 11. The tightening device 6 includes a mounting bracket 60 attached to the frame 2, a second motor 61 mounted to the mounting bracket 60, a shaft 62 mounted to the mounting bracket 60, a second pneumatic finger 63 mounted to the shaft 62, and a transmission assembly 64 connected between the shaft 62 and the second motor 61. The drive assembly 64 is preferably a timing belt drive, and the structure can be referred to a timing belt assembly in the lifting assembly 50. The mounting bracket 60 includes a horizontal plate 600 and a vertical plate 601 connected to each other, the horizontal plate 600 and the vertical plate 601 are perpendicular to each other, the second motor 61 is installed on the horizontal plate 600, the rotating shaft 62 is installed on the vertical plate 601 through two bearings 66, and the second motor 61 can drive the rotating shaft 62 to rotate, thereby driving the second pneumatic finger 63 to rotate.

The second pneumatic finger 63 has three fingers capable of being opened and closed, a clamping piece 65 is arranged on each finger, and the three clamping pieces 65 can be driven to be opened and closed by the second pneumatic finger 63 so as to clamp the upper box body 10. When the industrial robot 40 moves the upper box body 10 to the second pneumatic finger 63, the second pneumatic finger 63 retracts to clamp the upper box body 10, the upper box body 10 at the industrial robot 40 can be transferred to the screwing device 6, at the moment, the upper box body 10 is positioned right above the lower box body 11, and the axes of the upper box body and the lower box body are consistent.

After the second pneumatic finger 63 clamps the upper box 10, the industrial robot 40 needs to remove the first pneumatic finger 42, and at this time, the O-ring 13 loses the support of the anti-falling piece 43 and falls, and the anti-falling device 7 is used for preventing the O-ring 13 from falling. As shown in fig. 13 and 14, the retaining device 7 includes a first cylinder 70 and a second cylinder 71 respectively installed at both sides of the frame 2. The first air cylinder 70 is connected with a first push plate 72, which can drive the first push plate 72 to move towards the upper box 10; the second pushing plate 73 is connected to the second cylinder 71, and drives the second pushing plate 73 to move toward the upper case 10 clamped at the second pneumatic finger 63. After the first cylinder 70 and the second cylinder 71 extend out, the first push plate 72 and the second push plate 73 extend to the lower positions of the left side and the right side of the O-ring 13 respectively, so as to support the O-ring 13, preferably, the first push plate 72 and the second push plate 73 are provided with arc surfaces 74 matched with the outer convex edge 12, and when the first cylinder 70 and the second cylinder 71 extend out, the arc surfaces 74 are in contact with the outer convex edge 12. After the first push plate 72 and the second push plate 73 support the O-ring 13, the industrial robot 40 can remove the adaptor 41, and then the lifting assembly 50 drives the lower box body 11 to ascend to contact with the upper box body 10, at this time, the first air cylinder 70 and the second air cylinder 71 retract, and the second motor 61 drives the upper box body 10 to rotate, so as to screw the upper box body 10 onto the lower box body 11.

It can be understood that only one of the first push plate 72 and the second push plate 73 can achieve the effect of preventing the O-ring 13 from falling off, and the first push plate 72 and the second push plate 73 can prevent the O-ring 13 from tilting.

The utility model discloses a box body tightening machine still includes control system (not shown), and control system can adopt PLC and industrial computer etc.. The control system is electrically connected with electric components such as a motor, a pneumatic finger, a pneumatic claw, an air cylinder and the like in the tightening machine and is used for receiving signals sent by the electric components and sending control commands. The first motor 51 and the second motor 61 are preferably servo motors, which facilitate control.

The utility model discloses a machine during operation is screwed to upper and lower box includes following step usually:

firstly, a worker places a lower box body 11 filled with products on a conveying line 3; placing the product with the O-shaped ring 13 on the positioning device 8, and clamping and positioning the product by the second air claw 81; of course, the placement of the upper and

lower cases

10, 11 in this step can also be automated by automated equipment known in the art.

And secondly, the lower box body 11 is conveyed to the lower part of the lifting device 5 by the conveying line 3, when the correlation type photoelectric sensor is shielded, the lower box body 11 is conveyed in place, the control system controls the conveying line 3 to stop conveying, and the lifting assembly 50 drives the clamping assembly 52 to descend and clamp the lower box body 11.

And thirdly, the industrial robot 40 drives the first pneumatic finger 42 to move to the second pneumatic claw 81, the second pneumatic claw 81 is loosened after the first pneumatic finger 42 clamps the upper box body 10, the industrial robot 40 overturns the upper box body 10 and moves to the second pneumatic finger 63, and the second pneumatic finger 63 clamps the upper box body 10.

Fourthly, the first air cylinder 70 and the second air cylinder 71 extend out, so that the first push plate 72 and the second push plate 73 are supported below the O-shaped ring 13; thereafter, the first pneumatic finger 42 releases the upper case 10, and the industrial robot 40 moves the first pneumatic finger 42 away.

Fifthly, the lifting assembly 50 drives the clamping assembly 52 to move upwards, and after the upper box body 10 is contacted with the lower box body 11, the first air cylinder 70 and the second air cylinder 71 retract; the second motor 61 drives the second pneumatic finger 63 to rotate, the upper box body 10 is screwed to the lower box body 11, and in the screwing process, the lifting assembly 50 drives the clamping assembly 52 to ascend and cooperate with the clamping assembly to screw.

Sixthly, the second pneumatic finger 63 loosens the upper box body 10, the lifting assembly 50 places the upper box body and the lower box body which are connected with each other on the conveying line 3, and the conveying line 3 continues to convey.

In the above steps, the order between the second step and the third step can be interchanged, and the same technical effect can be achieved.

In the above steps, the motion of the industrial robot 40 may be preset by a program or set in an online manner by teaching; the distance traveled by the lift assembly 50 may be preset in the control system and the distance traveled up and down may be determined by the number of turns the motor turns.

The utility model discloses a box body tightens up machine possesses following advantage at least:

It should be noted that the above-mentioned preferred embodiments are only for illustrating the technical concepts and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention accordingly, and the protection scope of the present invention cannot be limited thereby. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. A box body tightening machine, characterized by comprising:

a frame (2);

the lifting device (5) comprises a lifting component (50) arranged on the rack (2) and a clamping component (52) connected with the lifting component (50); the clamping assembly (52) clamps the lower box body (11), and the lifting assembly (50) drives the clamping assembly (52) to lift;

screw up device (6), screw up device (6) including install in mounting bracket (60) in frame (2), install in second motor (61) on mounting bracket (60) and by the rotatory pneumatic finger of second motor (61) drive (63), box body (10) are gone up in the pneumatic finger of second (63) centre gripping, last box body (10) of the pneumatic finger of second (63) centre gripping are located directly over the lower box body (11) of centre gripping subassembly (52) centre gripping.

2. The box tightening machine according to claim 1, characterized in that: the lifting assembly (50) comprises a first motor (51) connected to the rack (2), a lead screw (54) driven by the first motor (51) to rotate, and a lead screw nut (59) matched with the lead screw (54).

3. The box tightening machine according to claim 2, characterized in that: the clamping assembly (52) comprises a first air claw (55) connected with the lead screw nut (59) and clamping plates (57) connected to fingers (56) on two sides of the first air claw (55).

4. The box tightening machine according to claim 1, characterized in that: the tightening device (6) further comprises a rotating shaft (62) connected with the second pneumatic finger (63), a bearing with a seat (66) for fixing the rotating shaft (62) to the mounting frame (60), and a transmission assembly (64) connected between the rotating shaft (62) and the second motor (61).

5. The box tightening machine according to claim 1, characterized in that: the automatic box loading and unloading device is characterized by further comprising a conveying line (3) for conveying the lower box body (11), wherein the conveying line (3) conveys the lower box body (11) to the position below the clamping assembly (52).

6. The box tightening machine according to claim 1, characterized in that: it still includes anticreep device (7), anticreep device (7) including install in first cylinder (70) in frame (2) and with first push pedal (72) that first cylinder (70) link to each other, it is equipped with O type circle (13) to go up the cover on box body (10), first cylinder (70) drive first push pedal (72) extend O type circle (13) below.

7. The box tightening machine according to claim 1, characterized in that: the device also comprises a positioning device (8) for positioning the upper box body (10) and a carrying device (4) for moving the upper box body (10) at the positioning device (8) to the second pneumatic finger (63).

8. The box tightener according to claim 7, characterized in that: the positioning device (8) comprises a second pneumatic claw (81) and a fixing plate (82) connected to fingers on two sides of the second pneumatic claw (81), and the fixing plate (82) is provided with an inwards concave arc-shaped surface (83).

9. The box tightener according to claim 7, characterized in that: the carrying device (4) comprises an industrial robot (40), an adapter (41) connected with the industrial robot (40), a first pneumatic finger (42) connected to the adapter (41) and a plurality of supporting pieces (44) driven by the first pneumatic finger (42) to open and close, wherein the supporting pieces (44) are connected with the inner surface of the upper box body (10) in a matching mode.

10. The box tightener according to claim 9, characterized in that: handling device (4) still including connect in anticreep spare (43) on adapter (41), it is equipped with O type circle (13) to go up the cover on box body (10), anticreep spare (43) are provided with and extend to stop part (431) of O type circle (13) below.