Adjustable feeding and discharging mechanical arm

Abstract

The utility model relates to an adjustable feeding and discharging mechanical arm which comprises a base, a supporting column is arranged above the base, a movable plate is attached to the top of the supporting column, a limiting frame is fixedly connected to the surface of the movable plate, an adjusting mechanism is arranged in the limiting frame, and a set of clamping jaws are symmetrically clamped to the two sides in the adjusting mechanism. A set of limiting assemblies are symmetrically arranged on the front portion and the rear portion of the clamping jaw, two sets of hydraulic cylinders are annularly and evenly embedded in the base, a rotating frame is fixedly connected to the bottom of the movable plate, and a driving motor is connected to the bottom of the rotating frame. When the clamping jaw is installed, the clamping jaw is clamped into the sliding frame on the basis of maintaining outward pulling of the spherical pull rod, then the spherical pull rod is loosened, one end of the limiting rod pops up and is effectively clamped into the clamping jaw under the influence of resilience force of the spring, and rapid limiting and fixing of the clamping jaw are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical arm technical field especially relates to a kind of adjustable feeding and discharging mechanical arm. BACKGROUND

[0002] Mechanical arm is a kind of electromechanical integration device similar to arm, its function is to be transported to the given position by the workpiece of being grabbed.In the mechanical part production and processing process, usually using mechanical arm to feed and discharge.

[0003] Patent No. CN214981168U discloses a robot manipulator convenient to disassemble, relating to the technical field of robot arm. The utility model discloses a mechanical arm base, fixed plate and first mounting block, mechanical arm base is fixedly connected with fixed plate, the lower surface of fixed plate is fixedly connected with second mounting block, and is provided with first sliding slot, the first sliding slot is slidably connected with first sliding plate, the upper surface of first sliding plate is fixedly connected with tension spring, the lower surface of first sliding plate is fixedly connected with first sliding column, the side surface of first sliding column is provided with screw hole, the screw hole is threadedly connected with threaded rod, the side surface of threaded rod is fixedly connected with adjusting handle, the surface of first mounting block is provided with slot, and the outer surface of first mounting block is provided with second through hole. The utility model is convenient to disassemble, increases the fixing strength, improves the speed when disassembling, reduces the labor intensity, and has good popularization prospect.

[0004] However, the above-mentioned robot manipulator convenient to disassemble still has the following shortcomings:

[0005] In the above-mentioned device, when disassembling the mechanical arm body, it is necessary to frequently screw several threaded rods, which is time-consuming and labor-consuming, and reduces the disassembly efficiency of the mechanical arm body. In view of this, we propose a kind of adjustable feeding and discharging mechanical arm. UTILITY MODEL CONTENTS

[0006] The utility model aims at overcoming the shortcomings of prior art, adapting to the actual needs, providing a kind of adjustable feeding and discharging mechanical arm to solve the technical problems that in the current device, when disassembling the mechanical arm body, it is necessary to frequently screw several threaded rods, which is time-consuming and labor-consuming, and reduces the disassembly efficiency of the mechanical arm body.

[0007] In order to realize the purpose of the utility model, the technical scheme adopted by the utility model is as follows: a kind of adjustable feeding and discharging mechanical arm is designed, including base, the upper portion of the base is provided with support, the top of the support is attached with movable plate, the surface of the movable plate is fixedly connected with limiting frame, the limiting frame is provided with adjusting mechanism inside, a group of clamping jaws is symmetrically clamped on both sides of the adjusting mechanism, a group of limiting components is symmetrically provided in front of and behind the clamping jaw, two groups of hydraulic cylinders are uniformly embedded in the interior of the base in a ring shape, the bottom of the movable plate is fixedly connected with rotary table, the bottom of the rotary table is connected with driving motor, and the driving motor is arranged on the inner side of the top of the support.

[0008] Preferably, the movable plate, the rotating frame, the driving motor and the support constitute a rotating structure, and the support and the base constitute a lifting structure through the hydraulic cylinder.

[0009] Preferably, the adjusting mechanism comprises an electric push rod fixedly arranged in the limiting frame, a clamping block connected to the movable end of the electric push rod, a barrel frame arranged outside the clamping block, a plurality of limiting lugs fixedly arranged on the surface of the barrel frame in a symmetrical manner, an adjusting plate clamped to the inside of the limiting lugs, and a sliding frame clamped to the outside of the end of the adjusting plate away from the limiting lugs.

[0010] Preferably, the barrel frame, the clamping block, the electric push rod and the limiting frame constitute a clamping lifting structure, and a plurality of the sliding frames are horizontally and symmetrically clamped to the inside of the bottom of the limiting frame.

[0011] Preferably, the two ends of the adjusting plate can be freely rotated along the limiting lugs and the sliding frames, respectively.

[0012] Preferably, the limiting assembly comprises a slot hole arranged in the sliding frame, a limiting rod penetrating through the inside of the slot hole, a spherical pull rod fixedly arranged at the outer end of the limiting rod, a ring plate fixedly arranged outside the limiting rod, and a spring connected to the surface of the ring plate.

[0013] Preferably, the end of the limiting rod away from the spherical pull rod is matched and clamped to the inside of the clamping jaw, and the limiting rod, the ring plate and the spring constitute an elastic structure.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1. The utility model discloses a spherical pull rod is effectively driven to move the limiting rod, so that the end of the limiting rod is quickly separated from the inside of the clamping jaw, the clamping jaw is clamped to the inside of the sliding frame on the basis of maintaining the spherical pull rod, then the spherical pull rod is loosened, the end of the limiting rod is bounced out and effectively clamped to the inside of the clamping jaw under the influence of the spring rebound force, and the quick positioning and fixing of the clamping jaw are realized.

[0016] 2. The utility model discloses a hydraulic cylinder effectively drives the support, the movable plate and the limiting frame to move up and down, so that the height of the workpiece inside a group of clamping jaws is adjusted, and the driving motor effectively drives the movable plate and the limiting frame to rotate, so that the orientation of the workpiece inside a group of clamping jaws is adjusted, and the flexibility of the mechanical arm is improved.

[0017] 3.The utility model discloses a effective driving cylinder frame up by electric push rod and card block, the adjusting plate of horizontal state gradually inclines to effectively drive a group of sliding frames to be close to each other, and the spacing between a group of clamping jaws is reduced, and the workpiece of different size is clamped, and the feeding is completed, and then when the workpiece is transferred to the required place, the cylinder frame is effectively driven down by electric push rod and card block, and a group of sliding frames are driven to be far away from each other, and the spacing between a group of clamping jaws is increased, and the discharging is completed. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is overall structure schematic diagram of the utility model;

[0019] Figure 2 It is local internal structure schematic diagram of the utility model;

[0020] Figure 3 It is adjusting mechanism adjusting state structure schematic diagram of the utility model;

[0021] Figure 4 It is limiting frame cross section structure schematic diagram of the utility model;

[0022] Figure 5 It is local partial dismounting structure schematic diagram of the utility model;

[0023] Figure 6 It is sliding frame cross section structure schematic diagram of the utility model;

[0024] In the drawing: 1, base;2, support post;3, movable plate;4, limiting frame;5, adjusting mechanism;6, clamping jaw;7, limiting component;8, hydraulic cylinder;9, rotating frame;10, drive motor;

[0025] 501, electric push rod;502, card block;503, cylinder frame;504, limiting lug;505, adjusting plate;506, sliding frame;

[0026] 701, slot hole;702, limiting rod;703, spherical pull rod;704, ring plate;705, spring. DETAILED DESCRIPTION

[0027] The utility model is further explained in connection with the drawings and examples:

[0028] A kind of adjustable feeding and discharging mechanical arm, referring to Figures 1 to 6The utility model provides a kind of mechanical arm, including pedestal 1, pedestal 1 is equipped with support 2 above, support 2 top is attached with movable plate 3, movable plate 3 surface is fixedly connected with limiting frame 4, adjusting mechanism 5 is equipped inside limiting frame 4, a group of clamping jaw 6 is symmetrically clamped inside adjusting mechanism 5, a group of limiting components 7 is symmetrically equipped before and after clamping jaw 6, two groups of hydraulic cylinders 8 are evenly embedded in the inside annular of pedestal 1, swivel base 9 is fixedly connected in the bottom of movable plate 3, driving motor 10 is connected in the bottom of swivel base 9, driving motor 10 is equipped in the inside top of support 2, wherein, movable plate 3 is rotated with support 2 by swivel base 9, driving motor 10 and support 2 constitute rotating structure, support 2 is lifted with pedestal 1 by hydraulic cylinder 8 and constitutes lifting structure.The utility model effectively drives support 2, movable plate 3 and limiting frame 4 to move up and down by hydraulic cylinder 8, to realize the adjustment of workpiece height inside a group of clamping jaw 6, effectively drives movable plate 3 and limiting frame 4 to rotate by driving motor 10, to realize the adjustment of workpiece orientation inside a group of clamping jaw 6, improve the flexibility of mechanical arm.

[0029] It is worth noting that adjusting mechanism 5 includes electric push rod 501, electric push rod 501 is fixedly arranged in the inside of limiting frame 4, electric push rod 501 movable end is connected with clamping block 502, clamping block 502 is equipped with cylinder frame 503 outside, a group of limiting ears 504 are symmetrically fixedly connected on the surface of cylinder frame 503, adjusting plate 505 is clamped in the inside of limiting ear 504, sliding frame 506 is clamped on the outside of the end of adjusting plate 505 away from limiting ear 504, wherein, cylinder frame 503 is clamped and lifted with limiting frame 4 by clamping block 502, electric push rod 501 and limiting frame 4, a group of sliding frames 506 are horizontally symmetrically clamped in the inside of the bottom of limiting frame 4, further, adjusting plate 505 both ends can be rotated freely along limiting ear 504 and sliding frame 506 respectively.The utility model effectively drives cylinder frame 503 to move up by electric push rod 501 and clamping block 502, at this time, the horizontal state of adjusting plate 505 gradually inclines, to effectively drive a group of sliding frames 506 to be close to each other, to realize the reduction of the distance between a group of clamping jaw 6, facilitate the clamping of workpiece of different sizes, complete feeding, then when workpiece is transferred to the required place, effectively drive cylinder frame 503 to move down by electric push rod 501 and clamping block 502, to drive a group of sliding frames 506 to be far away from each other, to realize the increase of the distance between a group of clamping jaw 6, complete discharging.

[0030] It is worth mentioning that the limiting assembly 7 comprises a slot hole 701, the slot hole 701 is arranged in the slide 506, a limiting rod 702 is arranged in the slot hole 701, a spherical pull rod 703 is fixed to the outer end of the limiting rod 702, a ring plate 704 is fixedly sleeved on the outer portion of the limiting rod 702, and a spring 705 is connected to the surface of the ring plate 704, wherein the end of the limiting rod 702 away from the spherical pull rod 703 is matched and clamped in the inside of the clamping jaw 6, and the limiting rod 702, the ring plate 704 and the spring 705 form an elastic structure with the slide 506. The spherical pull rod 703 is effectively pulled out to drive the limiting rod 702 to move, so that the end of the limiting rod 702 is quickly separated from the inside of the clamping jaw 6, the clamping jaw 6 is quickly disassembled, and the clamping jaw 6 is clamped into the inside of the slide 506 on the basis of maintaining the spherical pull rod 703, then the spherical pull rod 703 is loosened, the end of the limiting rod 702 is popped out and effectively clamped in the inside of the clamping jaw 6 under the influence of the spring 705, and the quick limiting and fixing of the clamping jaw 6 are realized.

[0031] Working principle: the support column 2, the movable plate 3 and the limiting frame 4 are driven by the hydraulic cylinder 8 to move up and down, so that the height of the group of clamping jaws 6 is adjusted, then the cylinder frame 503 is driven by the electric push rod 501 and the clamping block 502 to move up, at this time, the adjusting plate 505 in the horizontal state is gradually inclined, so that the group of slides 506 are close to each other, and then the distance between the group of clamping jaws 6 is reduced, different sizes of workpieces can be clamped, feeding is completed, then the movable plate 3 and the limiting frame 4 are driven by the driving motor 10 to rotate, so that the position of the workpiece in the inside of the group of clamping jaws 6 is adjusted, when the workpiece is transferred to the required position, the group of clamping jaws 6 is first lowered, then the cylinder frame 503 is driven by the electric push rod 501 and the clamping block 502 to move down, so that the group of slides 506 are away from each other, and then the distance between the group of clamping jaws 6 is increased, and unloading is completed, when the clamping jaw 6 needs to be replaced, the limiting rod 702 is driven by the spherical pull rod 703 to move, so that the end of the limiting rod 702 is quickly separated from the inside of the clamping jaw 6, the clamping jaw 6 is quickly disassembled, the clamping jaw 6 is clamped into the inside of the slide 506 on the basis of maintaining the spherical pull rod 703, then the spherical pull rod 703 is loosened, the end of the limiting rod 702 is popped out and clamped in the inside of the clamping jaw 6 under the influence of the spring 705, and the quick limiting and fixing of the clamping jaw 6 are realized.

[0032] The embodiments of the utility model discloses the better embodiment, but is not limited to this, the ordinary skill of the art, the spirit of the utility model is appreciated to the above-mentioned embodiment, and different induction and change are made, but as long as not departing from the spirit of the utility model, all are within the protection scope of the utility model.

Claims

1. An adjustable feeding and discharging mechanical arm, comprising a base (1), characterized in that, The base (1) is provided with a support (2), the top of the support (2) is attached with a movable plate (3), the surface of the movable plate (3) is fixedly connected with a limiting frame (4), the inside of the limiting frame (4) is provided with an adjusting mechanism (5), the inside of the adjusting mechanism (5) is symmetrically clamped with a group of clamping jaws (6), the front and back of the clamping jaw (6) is symmetrically provided with a group of limiting components (7), the inside of the base (1) is uniformly embedded with two groups of hydraulic cylinders (8), the bottom of the movable plate (3) is fixedly connected with a rotating frame (9), the bottom of the rotating frame (9) is connected with a driving motor (10), and the driving motor (10) is arranged on the inside of the top of the support (2).

2. The adjustable feeding and discharging mechanical arm according to claim 1, wherein, The movable plate (3) constitutes a rotating structure with the rotating frame (9), the driving motor (10) and the support (2), and the support (2) constitutes a lifting structure with the base (1) and the hydraulic cylinder (8).

3. The adjustable feeding and discharging mechanical arm according to claim 1, wherein, The adjusting mechanism (5) comprises an electric push rod (501), the electric push rod (501) is fixedly arranged on the inside of the limiting frame (4), the movable end of the electric push rod (501) is connected with a clamping block (502), the clamping block (502) is sleeved with a barrel frame (503) outside, a group of limiting ears (504) are symmetrically fixedly connected on the surface of the barrel frame (503), an adjusting plate (505) is clamped on the inside of the limiting ear (504), and the sliding frame (506) is clamped on the outside of the end of the adjusting plate (505) away from the limiting ear (504).

4. The adjustable feeding and discharging mechanical arm according to claim 3, characterized in that, The barrel frame (503) constitutes a clamping lifting structure with the clamping block (502), the electric push rod (501) and the limiting frame (4), and a group of the sliding frames (506) are horizontally and symmetrically clamped on the inside of the bottom of the limiting frame (4).

5. The adjustable feeding and discharging mechanical arm according to claim 3, wherein, The adjusting plate (505) can be freely rotated along the limiting ear (504) and the sliding frame (506) respectively.

6. The adjustable feeding and discharging mechanical arm according to claim 3, wherein, The limiting component (7) comprises a slot hole (701), the slot hole (701) is arranged in the inside of the sliding frame (506), the limiting rod (702) penetrates through the inside of the slot hole (701), the spherical pull rod (703) is fixedly connected with the outer end of the limiting rod (702), the ring plate (704) is fixedly sleeved with the outside of the limiting rod (702), and the spring (705) is connected with the surface of the ring plate (704).

7. The adjustable feeding and discharging mechanical arm according to claim 6, characterized in that, The end of the limiting rod (702) away from the spherical pull rod (703) is matched and clamped in the inside of the clamping jaw (6), and the limiting rod (702) constitutes an elastic structure with the ring plate (704) and the spring (705) and the sliding frame (506).

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