CN220008701U - Mechanical arm - Google Patents

Mechanical arm Download PDF

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Publication number
CN220008701U
CN220008701U CN202321433231.2U CN202321433231U CN220008701U CN 220008701 U CN220008701 U CN 220008701U CN 202321433231 U CN202321433231 U CN 202321433231U CN 220008701 U CN220008701 U CN 220008701U
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CN
China
Prior art keywords
fixedly connected
rack
vertical plate
robotic arm
rod
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CN202321433231.2U
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Chinese (zh)
Inventor
杜腾飞
孙路路
刘汉文
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Kunshan Kaerda Precision Electronic Technology Co ltd
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Kunshan Kaerda Precision Electronic Technology Co ltd
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Priority to CN202321433231.2U priority Critical patent/CN220008701U/en
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Abstract

The utility model discloses a mechanical arm, and particularly relates to the technical field of injection molding production, which comprises a vertical rod, wherein a cross rod is fixedly connected to one side of the top of the vertical rod, a rotating mechanism is arranged above the cross rod, a vertical plate is arranged at one end of the rotating mechanism, and a lifting mechanism is arranged at one side of the vertical plate away from the rotating mechanism; the lifting mechanism comprises a lifting cylinder, the lifting cylinder is arranged at the top of one side of a vertical plate, an output shaft of the lifting cylinder is fixedly connected with a U-shaped block, a gear is rotationally connected in the U-shaped block, one side of the vertical plate, which is close to the lifting cylinder, is fixedly connected with a first rack, one side of the vertical plate, which is close to the first rack, is fixedly connected with a baffle plate, the baffle plate is symmetrically and fixedly connected to two sides of the first rack, a sliding rod is slidingly connected between one side, which is far away from the vertical plate, of the baffle plate, and a second rack is fixedly connected to one side, which is close to the first rack.

Description

Mechanical arm
Technical Field
The utility model relates to the technical field of injection molding production, in particular to a mechanical arm.
Background
Injection molding machines are the primary molding equipment for molding thermoplastic or thermoset materials into plastic products of various shapes using plastic molding dies, injection molding is accomplished by injection molding machines and dies, and after plastic parts are produced by the injection molding machines, the injection molded parts are generally removed by robotic arms.
Through searching, china patent discloses a mechanical arm (authorized bulletin number CN 217123870U) for injection molding production, which comprises a lifting mechanism for driving an injection molding product to lift, a moving mechanism for driving the injection molding product to move and a frame, wherein the lifting mechanism is positioned at the front side of the moving mechanism, and the frame is positioned below the moving mechanism. According to the utility model, the tilt angle sensors on the two sides of the turnover seat are used for detecting the horizontal and vertical directions of the turnover frame, so that the damage to the mold caused by collision between the turnover frame and the injection mold is prevented when the injection molding product is taken out, the screw rod is driven to rotate by the rotating part of the adjusting motor, and the distance between the two adjusting frames can be automatically adjusted by the rotation of the screw rod, so that the injection molding products with different lengths can be adsorbed and taken out.
However, this robotic arm drives the adsorption holder through the lift cylinder and reciprocates in actual application process, and the decurrent displacement of adsorption holder equals the length that lift cylinder output shaft stretched, and only gets to put the injection molding through horizontal and vertical displacement, needs robotic arm to rise in place earlier and then can carry out lateral shifting, has lengthened and has got to put injection molding time, has reduced robotic arm's work efficiency, and for this reason, we propose a robotic arm and be used for solving above-mentioned problem.
Disclosure of Invention
The present utility model is directed to a robot arm, which solves the above-mentioned problems.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the mechanical arm comprises a vertical rod, wherein a cross rod is fixedly connected to one side of the top of the vertical rod, a rotating mechanism is arranged above the cross rod, a vertical plate is arranged at one end of the rotating mechanism, and a lifting mechanism is arranged on one side, away from the rotating mechanism, of the vertical plate;
the lifting mechanism comprises a lifting cylinder, the lifting cylinder is arranged at the top of one side of a vertical plate, the lifting cylinder is connected with the vertical plate through a bolt, an output shaft of the lifting cylinder is fixedly connected with a U-shaped block, a gear is rotationally connected to the inside of the U-shaped block, one side of the vertical plate, which is close to the lifting cylinder, is fixedly connected with a first rack, one side of the vertical plate, which is close to the first rack, is fixedly connected with a baffle plate, two sides of the first rack are symmetrically and fixedly connected with the baffle plate, one side, which is far away from the vertical plate, of the baffle plate is slidingly connected with a slide bar, one side, which is close to the first rack, of the slide bar is fixedly connected with a second rack, the gear is respectively connected with an adsorption seat in a meshed mode of the corresponding first rack and the second rack, and the bottom of the adsorption seat is provided with a suction nozzle.
Preferably, the rotating mechanism comprises a rotating motor, and an output shaft of the rotating motor is fixedly connected with one side of the vertical plate, which is far away from the sliding rod.
Preferably, all fixedly connected with mounting panel between one side at montant top and the side that the montant was kept away from to the horizontal pole, rotate between the mounting panel and be connected with the lead screw, the outside threaded connection of lead screw has the slider, rotating electrical machines passes through bolt fixed mounting on the top of slider, the spacing groove has been seted up to the inside of slider, the top fixedly connected with gag lever post of horizontal pole, gag lever post sliding joint is in the outside of spacing groove, one of them one side fixed mounting of mounting panel has servo motor, servo motor's drive end and lead screw fixed connection.
Preferably, the bottom of montant fixedly connected with bottom plate, the top four corners department of bottom plate has all seted up the locating hole.
Preferably, a reinforcing rib is arranged between the top of the vertical rod and the bottom of the transverse rod.
Compared with the prior art, the utility model has the beneficial effects that:
1. by arranging the lifting mechanism, the extension of the output shaft of the lifting cylinder is doubled when the cross rod descends to displace, and when the descending distance is a certain distance, the descending speed of the adsorption seat is doubled, so that the problem that the downward displacement of the adsorption seat is equal to the extension length of the output shaft of the lifting cylinder when the lifting cylinder drives the adsorption seat to move up and down is avoided;
2. through setting up rotary mechanism, utilize revolving cylinder to drive elevating system and rotate to suitable angle, place the suitable position with the injection molding, avoided getting through horizontal and vertical displacement and put the injection molding, need robotic arm rise in place earlier just can carry out lateral shifting after, lengthened get the problem of putting injection molding time, improved injection molding efficiency.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a back view of the present utility model.
Fig. 3 is a side view of the present utility model.
Fig. 4 is an enlarged view of the utility model at a in fig. 3.
FIG. 5 is a schematic view of the structure of the sliding plate and the limiting groove in the present utility model.
In the figure: 1. a vertical rod; 2. a cross bar; 3. a lifting mechanism; 31. a lifting cylinder; 32. a U-shaped block; 33. a gear; 34. a first rack; 35. a baffle; 36. a slide bar; 37. a second rack; 4. an adsorption seat; 5. a rotation mechanism; 51. a rotating electric machine; 6. a mounting plate; 7. a screw rod; 8. a servo motor; 9. a slide block; 10. a limit groove; 11. a limit rod; 12. a bottom plate; 13. positioning holes; 14. reinforcing ribs; 15. a vertical plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples: as shown in fig. 1-5, the utility model provides a mechanical arm, which comprises a vertical rod 1, wherein one side of the top of the vertical rod 1 is fixedly connected with a cross rod 2, a rotating mechanism 5 is arranged above the cross rod 2, one end of the rotating mechanism 5 is provided with a vertical plate 15, one side of the vertical plate 15 far away from the rotating mechanism 5 is provided with a lifting mechanism 3, the lifting mechanism 3 is driven to rotate by the rotating mechanism 5, and an injection molding piece is driven to vertically move by the lifting mechanism 3;
the lifting mechanism 3 comprises a lifting cylinder 31, the lifting cylinder 31 is arranged at the top of one side of the vertical plate 15, the lifting cylinder 31 is connected with the vertical plate 15 through a bolt, an output shaft of the lifting cylinder 31 is fixedly connected with a U-shaped block 32, a gear 33 is rotationally connected in the U-shaped block 32, one side of the vertical plate 15, which is close to the lifting cylinder 31, is fixedly connected with a first rack 34, one side of the vertical plate 15, which is close to the first rack 34, is fixedly connected with a baffle 35, the baffle 35 is symmetrically and fixedly connected to two sides of the first rack 34, a sliding rod 36 is slidingly connected between one side, which is far away from the vertical plate 15, of the baffle 35, one side, which is close to the first rack 34, is fixedly connected with a second rack 37, the gear 33 is respectively meshed and connected with the corresponding first rack 34 and second rack 37, the bottom of the sliding rod 36 is rotationally connected with an adsorption seat 4, and the bottom of the adsorption seat 4 is provided with a suction nozzle.
The rotating mechanism 5 comprises a rotating motor 51, an output shaft of the rotating motor 51 is fixedly connected with one side, far away from the sliding rod 36, of the vertical plate 15, and the vertical plate 15 is driven to rotate through the rotating motor 51, so that the placement angle of the lifting mechanism 3 is adjusted.
All fixedly connected with mounting panel 6 between one side at montant 1 top and the one side that montant 1 was kept away from to horizontal pole 2, rotate between the mounting panel 6 and be connected with lead screw 7, the outside threaded connection of lead screw 7 has slider 9, rotating electrical machines 51 pass through bolt fixed mounting on the top of slider 9, slider 9 slip joint in the outside of horizontal pole 2, rotating electrical machines 51 pass through bolt fixed mounting on the top of slider 9, one side fixed mounting of one of them mounting panel 6 has servo motor 8, servo motor 8's drive end and lead screw 7 fixed connection.
Through adopting above-mentioned technical scheme, drive lead screw 7 through servo motor 8 and rotate, drive slider 9 simultaneously along the outside lateral sliding of horizontal pole 2.
The inside of slider 9 has offered spacing groove 10, and the top fixedly connected with gag lever post 11 of horizontal pole 2, and gag lever post 11 sliding joint is in the outside of spacing groove 10.
Through adopting above-mentioned technical scheme, through the cooperation between gag lever post 11 and the spacing groove 10, the slider 9 of being convenient for slides better.
The bottom of the vertical rod 1 is fixedly connected with a bottom plate 12, and four corners of the top end of the bottom plate 12 are provided with positioning holes 13.
Through adopting above-mentioned technical scheme, through the cooperation between bottom plate 12 and the locating hole 13, the better equipment of placing of being convenient for.
A reinforcing rib 14 is arranged between the top of the vertical rod 1 and the bottom of the cross rod 2.
Through adopting above-mentioned technical scheme, through setting up strengthening rib 14, be convenient for strengthen the stability that montant 1 and horizontal pole 2 are connected.
Working principle: when the mechanical arm is used for taking an injection molding, the screw rod 7 is driven to rotate through the servo motor 8, meanwhile, the sliding block 9 is driven to transversely slide along the outer side of the cross rod 2, the lifting mechanism 3 is adjusted to a proper position, when the injection mold is opened, the lifting cylinder 31 is used for driving the gear 33 to move downwards, the gear 33 is respectively meshed with the corresponding first rack 34 and the corresponding second rack 37, meanwhile, the sliding rod 36 is driven to slide downwards along the outer side of the baffle 35, at the moment, the downward displacement of the sliding rod 36 is twice as much as the elongation of the output shaft of the lifting cylinder 31, the same distance is reduced, the speed of the sliding rod 36 is doubled, the injection molding is adsorbed by the suction nozzle after the adsorption seat 4 is lowered to a proper position, the lifting cylinder 31 is contracted to drive the injection molding to move upwards, and then the rotating motor 51 is used for driving the lifting mechanism 3 to rotate to a moving angle, and then the mechanical arm is elongated again, and the injection molding is placed to a set position.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. A mechanical arm, comprising a vertical rod (1), characterized in that: a cross rod (2) is fixedly connected to one side of the top of the vertical rod (1), a rotating mechanism (5) is arranged above the cross rod (2), a vertical plate (15) is arranged at one end of the rotating mechanism (5), and a lifting mechanism (3) is arranged on one side, far away from the rotating mechanism (5), of the vertical plate (15);
elevating system (3) are including lift cylinder (31), lift cylinder (31) set up the top in riser (15) one side, the output shaft fixedly connected with U type piece (32) of lift cylinder (31), the inside rotation of U type piece (32) is connected with gear (33), one side fixedly connected with first rack (34) that riser (15) is close to lift cylinder (31), one side fixedly connected with baffle (35) that riser (15) is close to first rack (34), baffle (35) symmetry fixedly connected with is in the both sides of first rack (34), sliding connection has slide bar (36) between one side that riser (15) are kept away from to baffle (35), one side fixedly connected with second rack (37) that slide bar (36) is close to first rack (34), gear (33) are connected in corresponding first rack (34) and second rack (37) meshing respectively, the bottom rotation of slide bar (36) is connected with adsorption seat (4), the bottom of adsorption seat (4) is provided with.
2. A robotic arm as claimed in claim 1, wherein: the rotating mechanism (5) comprises a rotating motor (51), and an output shaft of the rotating motor (51) is fixedly connected with one side, far away from the sliding rod (36), of the vertical plate (15).
3. A robotic arm as claimed in claim 2, wherein: all fixedly connected with mounting panel (6) between one side at montant (1) top and one side that montant (1) was kept away from to horizontal pole (2), rotate between mounting panel (6) and be connected with lead screw (7), the outside threaded connection of lead screw (7) has slider (9), rotating electrical machines (51) set up the top at slider (9), slider (9) slip joint is in the outside of horizontal pole (2), one of them one side fixed mounting of mounting panel (6) has servo motor (8), the drive end and the lead screw (7) fixed connection of servo motor (8).
4. A robotic arm as claimed in claim 3, wherein: the inside of slider (9) has seted up spacing groove (10), the top fixedly connected with gag lever post (11) of horizontal pole (2), gag lever post (11) slip joint is in the outside of spacing groove (10).
5. A robotic arm as claimed in claim 1, wherein: the bottom of montant (1) fixedly connected with bottom plate (12), locating holes (13) have all been seted up at top four corners department of bottom plate (12).
6. A robotic arm as claimed in claim 1, wherein: reinforcing ribs (14) are arranged between the top of the vertical rod (1) and the bottom of the cross rod (2).
7. A robotic arm as claimed in claim 2, wherein: the rotating motor (51) is fixedly arranged at the top end of the sliding block (9) through bolts.
8. A robotic arm as claimed in claim 1, wherein: the lifting cylinder (31) is connected with the vertical plate (15) through bolts.
CN202321433231.2U 2023-06-07 2023-06-07 Mechanical arm Active CN220008701U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321433231.2U CN220008701U (en) 2023-06-07 2023-06-07 Mechanical arm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321433231.2U CN220008701U (en) 2023-06-07 2023-06-07 Mechanical arm

Publications (1)

Publication Number Publication Date
CN220008701U true CN220008701U (en) 2023-11-14

Family

ID=88686985

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321433231.2U Active CN220008701U (en) 2023-06-07 2023-06-07 Mechanical arm

Country Status (1)

Country Link
CN (1) CN220008701U (en)

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