Spacing-adjustable manipulator

Abstract

The utility model discloses a distance-adjustable manipulator, and relates to the technical field of manipulators. A spacing-adjustable manipulator comprises a supporting base and two rotary mounting blocks, limiting devices are arranged on the two rotary mounting blocks, each limiting device comprises a clamping jaw, a protective pad, two protective shells and two rotary threaded rods, and the two protective shells are correspondingly and fixedly connected on the outer walls of the upper sides and the lower sides of the rotary mounting blocks; in the limiting device, a rotating threaded rod is screwed to rotate to drive a limiting block to move oppositely while moving oppositely, then the limiting block moves oppositely to enable the outer wall of the other end of the limiting block to be disengaged from the interior of a first limiting block groove, and then a clamping jaw and a mounting seat can be taken down from a rotating mounting block by pulling the clamping jaw, so that disassembly is facilitated; the situation that a worker needs to dismount the device with the help of a special tool is avoided, the workload of the worker is effectively reduced, meanwhile, the working efficiency of the worker is improved, and meanwhile the maintenance and overhaul efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to manipulator technical field, especially a kind of manipulator with adjustable spacing. BACKGROUND

[0002] The manipulator with adjustable spacing is a kind of mechanical equipment that can adjust the distance between grippers as needed, which usually has a flexible structural design to allow operators or control systems to change the distance between grippers. This kind of manipulator is widely used in manufacturing, assembly lines and other occasions where the grasping object needs to be frequently changed.

[0003] Among them, the manipulator with adjustable spacing mainly supports the basic frame of the whole manipulator by the main body structure, the driving device is used for moving and adjusting the motor or other power source of gripper spacing, the part of gripper directly contacts and grasps object, usually movable to facilitate adjusting spacing, control system includes sensor and controller, for monitoring and adjusting the movement and spacing of manipulator.

[0004] The existing manipulator with adjustable spacing has a flexible structural design when in use, allowing operators or control systems to change the distance between grippers to adapt to objects of different sizes, which increases the flexibility of the manipulator. However, when the clamping jaw is worn or damaged after long-term use, the worker needs to use special tools and cooperate with multiple people to disassemble the clamping jaw, which increases the workload of the worker and reduces the work efficiency of the worker, and also reduces the maintenance and repair efficiency of the clamping jaw. UTILITY MODEL CONTENT

[0005] The utility model aims to solve at least one of the technical problems existing in the prior art, and provides a manipulator with adjustable spacing, which can solve the problem that the worker needs to use special tools and cooperate with multiple people to disassemble the clamping jaw when the clamping jaw is worn or damaged after long-term use, which increases the workload of the worker and reduces the work efficiency of the worker, and also reduces the maintenance and repair efficiency of the clamping jaw.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a manipulator with adjustable spacing, comprising a supporting base and two rotating mounting blocks, two rotating mounting blocks are provided with limiting devices;

[0007] The limiting device comprises a clamping jaw, a protective pad, two protective shells and two rotating threaded rods, the two protective shells are fixedly connected on the upper and lower outer walls of the rotating mounting block, the outer walls of the two rotating threaded rods are respectively threadedly connected inside the grooves of the corresponding protective shells, an installation seat groove is formed on one side of the outer wall of the rotating mounting block, two guide block grooves are formed on the upper and lower inner walls of the installation seat groove, and an installation seat is fixedly connected to one side of the outer wall of the clamping jaw.

[0008] The outer wall of the mounting base is slidably connected to the interior of the mounting base groove. The upper and lower inner walls of the mounting base groove are provided with second limiting block grooves, and the upper and lower outer walls of the mounting base are provided with first limiting block grooves. Limiting blocks are slidably connected inside the two second limiting block grooves. The protective pad is installed on the arc surface of the gripper away from the mounting base. There are two limiting devices, and both limiting devices are installed on the rotating mounting block.

[0009] Preferably, all four guide block grooves are conical, and the interiors of the two second limiting block grooves are respectively connected to the interiors of the corresponding protective shells;

[0010] Among them, the outer walls of the two protrusions on the upper and lower outer walls of the mounting base are slidably connected to the interior of the corresponding guide block grooves.

[0011] Preferably, the ends of the two limiting blocks near the first limiting block groove both slide into the interior of the mounting seat groove and respectively contact the inner wall of the corresponding first limiting block groove;

[0012] Among them, the ends of the two rotating threaded rods near the limiting block are threaded into the interior of the second limiting block groove and are rotatably connected to the outer wall of one side of the corresponding limiting block, and the side of the gripper away from the mounting base is arc-shaped.

[0013] Preferably, the support base is composed of two mounting plates that are installed together by fixing plates and bolts, and the ends of the two rotating mounting blocks away from the grippers are rotatably connected inside the support base;

[0014] The support base contains a push block.

[0015] Preferably, teeth are provided on both outer walls of the push block, and teeth are provided on the outer walls of the two rotating mounting blocks at the ends away from the grippers.

[0016] The teeth on both sides of the push block mesh with the teeth on one end of the corresponding rotating mounting block. T-slots are provided on the upper and lower inner walls of the support base. The outer walls of the T-slots on the upper and lower sides of the push block are slidably connected to the interior of the corresponding T-slots.

[0017] Preferably, an mounting plate is installed on the outer wall of the support base away from the rotating mounting block. The mounting plate is U-shaped, and a cylinder is installed on the outer wall of the mounting plate away from the support base.

[0018] The cylinder's output end slides into the interior of the support base and is fixedly connected to the outer wall of one end of the push block.

[0019] Compared with the prior art, the beneficial effects of this utility model are:

[0020] 1. In this adjustable-gap robotic arm, the rotating threaded rod in the limiting device rotates and moves in the opposite direction, simultaneously causing the limiting block to move in the opposite direction. Then, the outer wall of the other end of the limiting block disengages from the inside of the first limiting block groove. Then, pulling the gripper allows the gripper and mounting base to be removed from the rotating mounting block. This facilitates the disassembly of the gripper, avoiding the need for workers to use special tools for disassembly, effectively reducing the workload of workers and improving their work efficiency, while also improving the maintenance and repair efficiency of the gripper. Attached Figure Description

[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0022] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0023] Figure 2 This is a schematic diagram of the external structure of the gripper of this utility model;

[0024] Figure 3 This is a schematic diagram of the internal structure of the support base of this utility model;

[0025] Figure 4 This is a schematic diagram of the external structure of the push block of this utility model;

[0026] Figure 5 This utility model Figure 2 A structural schematic diagram of the enlarged view at point A in the middle.

[0027] Reference numerals: 1. Support base; 2. Cylinder; 3. Mounting plate; 4. Protective shell; 5. Rotating threaded rod; 6. Gripper; 7. T-slot; 8. Push block; 9. Rotating mounting block; 10. Limiting block; 11. Mounting seat slot; 12. First limiting block slot; 13. Guide block slot; 14. Second limiting block slot; 15. Mounting seat; 16. Protective pad. Detailed Implementation

[0028] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0029] In the description of the utility model, need understanding, relate to the direction description, for example the direction or positional relation of indication such as upper, lower, front, back, left, right is based on the direction or positional relation shown in drawing, only for the convenience of describing the utility model and simplifying the description, and is not the indication or the implied device or element must have the specific orientation, with specific orientation construction and operation, therefore can not be understood as the restriction of the utility model.

[0030] In the description of the utility model, greater than, less than, exceed and the like are understood as not including the number, and above, below, within and the like are understood as including the number. If it is described as first and second, it is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0031] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installing and connecting should be broadly understood, and the skilled in the art can reasonably determine the specific meaning of the above words in the utility model according to the specific content of the technical scheme.

[0032] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a mechanical hand with adjustable spacing, including support base 1 and two rotating mounting blocks 9;

[0033] Two rotating mounting blocks 9 are provided with limiting device;

[0034] The limiting device comprises a clamping jaw 6, a protective pad 16, two protective shells 4 and two rotating threaded rods 5. The two protective shells 4 are fixedly connected to the upper and lower outer walls of the rotating mounting block 9. The outer walls of the two rotating threaded rods 5 are internally threadedly connected to the outer walls of the corresponding protective shells 4. A mounting seat groove 11 is formed in one side outer wall of the rotating mounting block 9. Two guide block grooves 13 are formed in the upper and lower inner walls of the mounting seat groove 11. The four guide block grooves 13 are tapered. An installation seat 15 is fixedly connected to one side outer wall of the clamping jaw 6. The outer wall of the installation seat 15 is slidably connected to the inside of the mounting seat groove 11. Second limiting block grooves 14 are formed in the upper and lower inner walls of the mounting seat groove 11. The interiors of the two second limiting block grooves 14 are respectively communicated with the interiors of the corresponding protective shells 4. Two protrusions on the upper and lower outer walls of the installation seat 15 are respectively slidably connected to the interiors of the corresponding guide block grooves 13. First limiting block grooves 12 are formed in the upper and lower outer walls of the installation seat 15. Limiting blocks 10 are slidably connected to the interiors of the two second limiting block grooves 14. The ends of the two limiting blocks 10 close to the first limiting block grooves 12 are slidably extended into the interior of the mounting seat groove 11 and are respectively in contact with the inner walls of the corresponding first limiting block grooves 12. The ends of the two rotating threaded rods 5 close to the limiting blocks 10 are threadedly extended into the interiors of the second limiting block grooves 14 and are respectively rotatably connected to one side outer wall of the corresponding limiting blocks 10. One side of the clamping jaw 6 away from the installation seat 15 is arc-shaped. The protective pad 16 is installed on the arc-shaped side of the clamping jaw 6 away from the installation seat 15. There are two limiting devices, and the two limiting devices are both installed on the rotating mounting block 9.

[0035] The support base 1 is composed of two mounting plates, a fixed plate and a bolt. The ends of the two rotating mounting blocks 9 away from the clamping jaw 6 are rotatably connected to the interior of the support base 1. A pushing block 8 is arranged in the interior of the support base 1. The two side outer walls of the pushing block 8 are provided with teeth. The outer walls of the ends of the two rotating mounting blocks 9 away from the clamping jaw 6 are provided with teeth. The two side teeth of the pushing block 8 are respectively engaged with the upper teeth of the corresponding rotating mounting block 9. T-shaped grooves 7 are formed in the upper and lower inner walls of the support base 1. The outer walls of the two side T-shaped blocks of the pushing block 8 are respectively slidably connected to the interiors of the corresponding T-shaped grooves 7. A mounting plate 3 is installed on the outer wall of the end of the support base 1 away from the rotating mounting block 9. The mounting plate 3 is in the shape of "U". A gas cylinder 2 is installed on the outer wall of the side of the mounting plate 3 away from the support base 1. The output end of the gas cylinder 2 is slidably extended into the interior of the support base 1 and is fixedly connected to the outer wall of one end of the pushing block 8.

[0036] Further, in the use of the device, by connecting the external power supply to start, first of all, the device is installed on the external device through the mounting plate 3, then through the output end of the cylinder 2 to drive the push block 8 to move while the teeth on the push block 8 are engaged with the teeth on one end of the outer wall of the rotating mounting block 9, so that the rotating mounting block 9 is controlled to rotate around the connection inside the support base 1, while the clamping jaw 6 is controlled by the rotating mounting block 9 to clamp the object, and at the same time, the clamping jaw 6 is in contact with the object through the protective pad 16 on the arc surface of the clamping jaw 6, which protects the object and reduces the wear of the clamping jaw 6. Then, when it is necessary to disassemble the clamping jaw 6, the rotating screw rod 5 is twisted to rotate and move in the opposite direction, which drives the limiting block 10 to move in the opposite direction, then the other end of the limiting block 10 is disengaged from the inside of the first limiting block slot 12, and then the clamping jaw 6 can be pulled off to remove the clamping jaw 6 and the mounting seat 15 from the rotating mounting block 9.

[0037] By twisting the rotating screw rod 5 to rotate and move in the opposite direction, the limiting block 10 is driven to move in the opposite direction, then the other end of the limiting block 10 is disengaged from the inside of the first limiting block slot 12, and then the clamping jaw 6 can be pulled off to remove the clamping jaw 6 and the mounting seat 15 from the rotating mounting block 9, which facilitates the disassembly of the clamping jaw 6, avoids the need for workers to use special tools to disassemble it, effectively reduces the workload of the workers, improves the work efficiency of the workers, and improves the maintenance and repair efficiency of the clamping jaw 6.

[0038] Structure description: mounting plate 3: used to fix the entire device on the external device, providing a stable installation foundation to ensure the stability of the device during operation;

[0039] Cylinder 2: provides power to drive the push block 8 to move through the output end, and the cylinder serves as a power source, has the characteristics of rapid action and great power, and is suitable for application scenarios that require rapid movement and precise control;

[0040] Push block 8: engages with the rotating mounting block 9 through the teeth to transfer the power of the cylinder, and the design of the teeth ensures stable engagement between the push block and the rotating mounting block, effectively transferring power and facilitating control of the flipping action;

[0041] Rotating mounting block 9: rotates around the connection inside the support base 1 to control the action of the clamping jaw 6, and the rotating design allows the clamping jaw to adjust the angle flexibly to adapt to objects of different shapes and sizes;

[0042] Support base 1: provides support and positioning for the entire device, and a stable support base ensures the accuracy and reliability of the device;

[0043] Clamping jaw 6: for clamping objects, arc-shaped protective pad 16 is designed to protect the surface of the object, while reducing the wear of the clamping jaw and prolonging the service life;

[0044] Rotary threaded rod 5: opposite movement of limiting block 10 is achieved by rotation, and the threaded design provides precise displacement control, facilitating the disassembly and installation of the clamping jaw;

[0045] Limiting block 10: cooperates with the first limiting block slot 12 to realize the positioning and disassembly of the clamping jaw 6, and the limiting design ensures the stable position of the clamping jaw during operation, while facilitating quick disassembly;

[0046] First limiting block slot 12: cooperates with the limiting block 10 to realize the positioning of the clamping jaw 6, and the slot design provides a stable positioning mechanism to ensure the accuracy of the clamping jaw during operation;

[0047] Mounting seat 15: together with the clamping jaw 6, it is taken off from the rotary mounting block 9, and the mounting seat design facilitates the quick replacement and maintenance of the clamping jaw, improving the maintenance efficiency of the device.

[0048] The above embodiment of the utility model is described in detail in combination with the drawings, but the utility model is not limited to the above embodiment, and various changes can be made within the knowledge range possessed by ordinary skilled persons in the technical field without departing from the purpose of the utility model.

Claims

1. A distance-adjustable robot comprising a support base (1) and two rotationally mounted blocks (9), characterized in that: Both of the rotating mounting blocks (9) are provided with limit devices; The limiting device includes a gripper (6), a protective pad (16), two protective shells (4) and two rotating threaded rods (5). The two protective shells (4) are fixedly connected to the upper and lower outer walls of the rotating mounting block (9). The outer walls of the two rotating threaded rods (5) are respectively connected to the corresponding outer walls of the protective shells (4) by grooves. A mounting seat groove (11) is provided on one side of the outer wall of the rotating mounting block (9). Two guide block grooves (13) are provided on the upper and lower inner walls of the mounting seat groove (11). A mounting seat (15) is fixedly connected to one side of the outer wall of the gripper (6). Among them, the outer wall of the mounting base (15) is slidably connected to the interior of the mounting base groove (11). The inner walls of the upper and lower sides of the mounting base groove (11) are provided with second limiting block grooves (14). The outer walls of the upper and lower sides of the mounting base (15) are provided with first limiting block grooves (12). The interiors of the two second limiting block grooves (14) are slidably connected with limiting blocks (10). The protective pad (16) is installed on the arc surface of the gripper (6) away from the mounting base (15). There are two limiting devices in total, and both limiting devices are installed on the rotating mounting block (9).

2. The pitch adjustable robot of claim 1, wherein: All four guide block grooves (13) are conical, and the interiors of the two second limiting block grooves (14) are respectively connected to the interiors of the corresponding protective shells (4); Among them, the outer walls of the two protrusions on the upper and lower outer walls of the mounting base (15) are slidably connected to the interior of the corresponding guide block groove (13).

3. The pitch adjustable robot hand according to claim 1, wherein: The two limiting blocks (10) near the end of the first limiting block groove (12) slide into the interior of the mounting seat groove (11) and respectively contact the inner wall of the corresponding first limiting block groove (12); Among them, the ends of the two rotating threaded rods (5) near the limiting block (10) are threaded into the interior of the second limiting block groove (14) and are rotatably connected to the outer wall of one side of the corresponding limiting block (10). The side of the gripper (6) away from the mounting base (15) is arc-shaped.

4. The pitch adjustable robot of claim 1, wherein: The support base (1) is composed of two mounting plates that are installed together by fixing plates and bolts. The two rotating mounting blocks (9) are rotatably connected inside the support base (1) at the ends away from the clamps (6). The support base (1) has a push block (8) inside.

5. The pitch adjustable robot of claim 4, wherein: The outer walls on both sides of the push block (8) are provided with teeth, and the outer walls at the ends of the two rotating mounting blocks (9) away from the gripper (6) are provided with teeth. Among them, the teeth on both sides of the push block (8) respectively mesh with the upper teeth on one end of the corresponding rotating mounting block (9), and the upper and lower inner walls of the support base (1) are provided with T-shaped grooves (7), and the outer walls of the upper and lower T-shaped blocks of the push block (8) are respectively slidably connected to the interior of the corresponding T-shaped grooves (7).

6. The pitch adjustable robot of claim 1, wherein: An mounting plate (3) is installed on the outer wall of the support base (1) away from the rotating mounting block (9). The mounting plate (3) is U-shaped. A cylinder (2) is installed on the outer wall of the mounting plate (3) away from the support base (1). The output end of the cylinder (2) slides into the interior of the support base (1) and is fixedly connected to the outer wall of one end of the push block (8).

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