Workpiece transposition manipulator of hydraulic stretching machine

Abstract

The utility model discloses a hydraulic stretching machine workpiece transposition manipulator which comprises a base, a fixed plate is arranged above the base, a movable plate is arranged above the fixed plate, a limiting rod is connected in the movable plate in a sliding mode, the bottom of the limiting rod is fixedly connected with the top of the fixed plate, and the bottom of the limiting rod is fixedly connected with the top of the fixed plate. And a first screw rod is in threaded connection with the interior of the moving plate, and an adjusting mechanism is arranged above the moving plate. According to the workpiece transposition manipulator of the hydraulic stretching machine, the adjusting mechanism is arranged, a rear motor above is started, the motor drives a second screw rod to rotate, the second screw rod rotates to enable a first moving block to move, the first moving block ejects a movable rod, the movable rod pushes a rectangular block to move, and the rectangular block drives a connecting block, a second moving block, a connecting rod and an object clamping mechanism to move; in this way, the clamping mechanisms can be separated, the two ends of a long workpiece can be clamped, and the long workpiece can be clamped conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of manipulators, in particular to a workpiece transposition manipulator for a hydraulic stretching machine. Background Art

[0002] In today's life, with the rapid development of science and technology, the biggest difference between robot arms and human arms is flexibility and endurance, that is, the biggest advantage of the robot is that it can repeat the same action under normal mechanical conditions. The application of robot arms will become more and more extensive. The robot is a high-tech automatic production equipment developed in recent decades. It has the accuracy of operation and the ability to complete the operation in the environment. It is an important branch of industrial robot robots.

[0003] After searching, the existing patent (publication number: CN218487069U) discloses a hydraulic stretching machine workpiece transposition manipulator, including a workbench, a controller is fixed to the front of the workbench by bolts, a control panel is fixed inside the controller by bolts, digital keys are arranged on the surface of the control panel, a display screen is arranged on the right side of the digital keys, a function panel is arranged on the right side of the display screen, function keys are arranged inside the function panel, a power switch is arranged on the right side of the function keys, a power interface is arranged on the right side of the controller, a mounting seat is fixed to the upper surface of the workbench by bolts, an electric lifting device is fixed to the lower part of the mounting seat by bolts, a first rotating motor is connected to the upper part of the electric lifting device by bolts, a first connecting plate is connected to the lower part of the first rotating motor by bolts, and a secondary rotating arm is fixed to the upper part of the first connecting plate by rear welding; this hydraulic stretching machine workpiece transposition manipulator has the advantages of easy use, strong grasping or placement stability, and high work efficiency.

[0004] It grabs or places products more tightly, avoiding products falling and affecting the normal operation of the discharge robot, greatly improving work efficiency and making it more convenient for users to use. However, it has its shortcomings. It only has one supporting mechanism, which can clamp shorter workpieces, but it is not convenient to clamp longer workpieces. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a workpiece transposition manipulator for a hydraulic stretching machine, which solves the problems raised by the above-mentioned background technology.

[0006] To achieve the above objectives, the utility model is implemented through the following technical scheme: a hydraulic stretching machine workpiece replacement robot, comprising a base, a fixed plate is provided above the base, a movable plate is provided above the fixed plate, the movable plate is internally slidably connected to a limit rod, the bottom of the limit rod is fixedly connected to the top of the fixed plate, a first screw is screwed inside the movable plate, an adjustment mechanism is provided above the movable plate, the adjustment mechanism comprises a second screw, a first moving block, two movable rods, two round rods, two connecting blocks, two second moving blocks and two connecting rods, a clamping mechanism is fixed at the front end of the connecting rod, the clamping mechanism comprises a fixed frame, a hydraulic rod and two clamping arms, a clamping mechanism is provided inside the fixed frame, the clamping mechanism comprises a movable frame, a sliding rod and a fixed cylinder, and a plurality of support rods are fixed on the top of the fixed plate.

[0007] Preferably, one and two motors are fixed inside the base and on the top of the fixed plate respectively, the output shaft of the lower motor is fixedly connected to the bottom of the fixed plate, the output shafts of the two upper motors are fixedly connected to the bottom ends of the first screw and the second screw respectively, the top end of the second screw passes through the movable plate, the inner side wall of the first movable block is screwed to the outer side of the second screw, and the opposite sides of the two movable rods are rotatably connected to the left and right sides of the first movable block respectively.

[0008] Preferably, the opposite sides of the two movable rods are rotatably connected with rectangular blocks, the front end of the rectangular block and the rear end of the connecting block are rotatably connected, the front end of the connecting block and the rear surface of the second movable block are rotatably connected, the interior of the second movable block and the outer side wall of the round rod are slidingly connected, the top left and right sides of the movable plate are rotatably connected with rotating blocks, and the bottom end of the round rod and the top of the rotating block are fixedly connected.

[0009] Preferably, an outer side wall of the limiting rod is slidably connected with a moving rod, a cross bar is fixed inside the moving rod, and two ends of the cross bar pass through the two fixing frames respectively.

[0010] Preferably, the inner upper surface of the fixed frame is fixedly connected to the top of the hydraulic rod, the output shaft of the hydraulic rod is fixed with a rectangular plate, the front and rear ends of the rectangular plate are rotatably connected to push rods, the bottom end of the push rod is rotatably connected to the clamping arm, and the top of the clamping arm is rotatably connected to the inside of the fixed frame.

[0011] Preferably, a through groove is provided on the front surface of the clamp arm, the movable frame is located inside the through groove, the top of the movable frame is fixedly connected to the bottom end of the sliding rod, the outer wall of the sliding rod is slidably connected to the inner wall of the fixed cylinder, the top of the fixed cylinder is fixedly connected to the bottom of the rectangular plate, a spring is fixed inside the fixed cylinder, and the other end of the spring is fixedly connected to the top of the sliding rod.

[0012] Beneficial Effects

[0013] The utility model provides a hydraulic stretching machine workpiece transposition manipulator. Compared with the prior art, it has the following beneficial effects:

[0014] 1. The workpiece transposition manipulator of the hydraulic stretching machine starts the upper rear motor by setting an adjustment mechanism. The motor drives the second screw to rotate. The second screw rotates to move the first moving block. The first moving block pushes the movable rod. The movable rod pushes the rectangular block to move. The rectangular block drives the connecting block, the second moving block, the connecting rod and the clamping mechanism to move. In this way, the clamping mechanism can be separated, and the two ends of the longer workpiece can be clamped, which is convenient for clamping the longer workpiece.

[0015] 2. The workpiece transposition manipulator of the hydraulic stretching machine sets a clamping mechanism and starts the hydraulic rod. The hydraulic rod raises the rectangular plate, and the rectangular plate moves with the connecting rod. The connecting rod opens the clamping arm. After the clamping arm is closed, the rectangular plate moves with the fixed cylinder, spring and mobile frame. The mobile frame clamps the workpiece, so that smaller workpieces can be tightened to prevent them from falling. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a cross-sectional structural schematic diagram of the clamping mechanism in the utility model;

[0018] Figure 3 It is a structural schematic diagram of the base in the utility model;

[0019] Figure 4 It is a structural schematic diagram of the fixing plate in the utility model.

[0020] In the figure: 1, rectangular block; 2, second moving block; 3, connecting rod; 4, movable rod; 5, fixed frame; 6, support rod; 7, moving plate; 8, fixed plate; 9, base; 10, clamping mechanism; 11, rotating block; 12, first screw; 13, second screw; 14, moving rod; 15, limiting rod; 16, cross bar; 17, round rod; 18, connecting block; 19, through groove; 20, clamping mechanism; 21, moving frame; 22, sliding rod; 23, fixed cylinder; 24, spring; 25, push rod; 26, rectangular plate; 27, hydraulic rod; 28, motor; 29, first moving block; 30, adjustment mechanism; 31, clamping arm. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4The utility model provides a technical solution: a hydraulic stretching machine workpiece transposition manipulator, comprising a base 9, a fixed plate 8 is arranged above the base 9, a movable plate 7 is arranged above the fixed plate 8, a limit rod 15 is slidably connected inside the movable plate 7, the bottom of the limit rod 15 is fixedly connected to the top of the fixed plate 8, a first screw rod 12 is screwed inside the movable plate 7, an adjustment mechanism 30 is arranged above the movable plate 7, and the adjustment mechanism 30 comprises a second screw rod 13, a first moving block 29, two movable rods 4, two round rods 17, two connecting blocks 18, two second moving blocks 2 and two connecting rods 3 A clamping mechanism 10 is fixed at the front end of the connecting rod 3, and the clamping mechanism 10 includes a fixed frame 5, a hydraulic rod 27 and two clamping arms 31. A clamping mechanism 20 is arranged inside the fixed frame 5, and the clamping mechanism 20 includes a moving frame 21, a sliding rod 22 and a fixed cylinder 23. A plurality of support rods 6 are fixed on the top of the fixed plate 8. One and two motors 28 are fixed inside the base 9 and on the top of the fixed plate 8, respectively. The output shaft of the lower motor 28 is fixedly connected to the bottom of the fixed plate 8, and the output shafts of the two upper motors 28 are fixedly connected to the bottom ends of the first screw 12 and the second screw 13, respectively. The top end of the rod 13 passes through the movable plate 7, the inner wall of the first movable block 29 and the outer side of the second screw rod 13 are screwed, the opposite sides of the two movable rods 4 are respectively rotatably connected to the left and right sides of the first movable block 29, the opposite sides of the two movable rods 4 are rotatably connected with the rectangular block 1, the front end of the rectangular block 1 is rotatably connected to the rear end of the connecting block 18, the front end of the connecting block 18 is rotatably connected to the rear surface of the second movable block 2, the inside of the second movable block 2 is slidably connected to the outer side wall of the round rod 17, the left and right sides of the top of the movable plate 7 are rotatably connected with the rotating block 11, and the bottom end of the round rod 17 is fixedly connected to the top of the rotating block 11 The outer wall of the limit rod 15 is slidably connected with the moving rod 14, and a cross bar 16 is fixed inside the moving rod 14. The two ends of the cross bar 16 pass through the two fixed frames 5 respectively. The upper rear motor 28 is started, and the motor 28 drives the second screw 13 to rotate. The second screw 13 rotates to move the first moving block 29. The first moving block 29 pushes the movable rod 4, and the movable rod 4 pushes the rectangular block 1 to move. The rectangular block 1 drives the connecting block 18, the second moving block 2, the connecting rod 3 and the clamping mechanism 10 to move. In this way, the clamping mechanism 10 can be separated, and the two ends of the longer workpiece can be clamped, which is convenient for clamping the longer workpiece.

[0023] Furthermore, the inner upper surface of the fixed frame 5 is fixedly connected to the top of the hydraulic rod 27, the output shaft of the hydraulic rod 27 is fixed with a rectangular plate 26, the front and rear ends of the rectangular plate 26 are rotatably connected to the push rod 25, the bottom end of the push rod 25 is rotatably connected to the clamp arm 31, the top of the clamp arm 31 is rotatably connected to the inside of the fixed frame 5, the front surface of the clamp arm 31 is provided with a through groove 19, the mobile frame 21 is located inside the through groove 19, the top of the mobile frame 21 is fixedly connected to the bottom end of the slide rod 22, and the outer wall of the slide rod 22 is slidably connected to the inner wall of the fixed cylinder 23 The top of the fixed cylinder 23 is fixedly connected to the bottom of the rectangular plate 26, a spring 24 is fixed inside the fixed cylinder 23, the other end of the spring 24 is fixedly connected to the top of the slide bar 22, the hydraulic rod 27 is started, the hydraulic rod 27 brings the rectangular plate 26 up, the rectangular plate 26 moves with the push rod 25, the push rod 25 opens the clamping arm 31, and after the clamping arm 31 is closed, the rectangular plate 26 moves with the fixed cylinder 23, the spring 24 and the moving frame 21, and the moving frame 21 clamps the workpiece, so that relatively small workpieces can be fastened to prevent them from falling.

[0024] During operation, the upper rear motor 28 is started, the motor 28 drives the second screw 13 to rotate, the second screw 13 rotates to move the first moving block 29, the first moving block 29 pushes the movable rod 4, the movable rod 4 pushes the rectangular block 1 to move, the rectangular block 1 drives the connecting block 18, the second moving block 2, the connecting rod 3 and the clamping mechanism 10 to move, so that the clamping mechanism 10 can be separated, and then the hydraulic rod 27 is started, the hydraulic rod 27 drives the rectangular plate 26 to rise, the rectangular plate 26 drives the push rod 25 to move, the push rod 25 drives the clamping arm 31 to open, and after the clamping arm 31 is closed, the two ends of the longer workpiece can be clamped, which is convenient for clamping the longer workpiece, and the rectangular plate 26 drives the fixed tube 23, the spring 24 and the movable frame 21 to move, and the movable frame 21 clamps the workpiece, so that the smaller workpiece can be fastened to prevent it from falling.

[0025] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0026] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0027] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A workpiece transposition manipulator for a hydraulic stretching machine, comprising a base (9), characterized in that: A fixed plate (8) is provided above the base (9), a movable plate (7) is provided above the fixed plate (8), a limit rod (15) is slidably connected inside the movable plate (7), the bottom of the limit rod (15) is fixedly connected to the top of the fixed plate (8), a first screw rod (12) is screwed inside the movable plate (7), an adjustment mechanism (30) is provided above the movable plate (7), the adjustment mechanism (30) comprises a second screw rod (13), a first movable block (29), two movable rods (4), Two round rods (17), two connecting blocks (18), two second moving blocks (2) and two connecting rods (3); a clamping mechanism (10) is fixed to the front end of each connecting rod (3); the clamping mechanism (10) comprises a fixed frame (5), a hydraulic rod (27) and two clamping arms (31); a clamping mechanism (20) is provided inside the fixed frame (5); the clamping mechanism (20) comprises a moving frame (21), a sliding rod (22) and a fixed cylinder (23); and a plurality of support rods (6) are fixed to the top of the fixed plate (8).

2. A hydraulic stretching machine workpiece transposition manipulator according to claim 1, characterized in that: One and two motors (28) are fixed inside the base (9) and on the top of the fixed plate (8), respectively. The output shaft of the motor (28) at the bottom is fixedly connected to the bottom of the fixed plate (8), and the output shafts of the two motors (28) at the top are fixedly connected to the bottom ends of the first screw rod (12) and the second screw rod (13), respectively. The top end of the second screw rod (13) passes through the movable plate (7), the inner side wall of the first movable block (29) is screwed to the outer side of the second screw rod (13), and the opposite sides of the two movable rods (4) are rotatably connected to the left and right sides of the first movable block (29), respectively.

3. A hydraulic stretching machine workpiece transposition manipulator according to claim 2, characterized in that: The two movable rods (4) are rotatably connected to rectangular blocks (1) on opposite sides thereof; the front end of the rectangular block (1) is rotatably connected to the rear end of the connecting block (18); the front end of the connecting block (18) is rotatably connected to the rear surface of the second movable block (2); the interior of the second movable block (2) is slidably connected to the outer wall of the round rod (17); the left and right sides of the top of the movable plate (7) are rotatably connected to rotating blocks (11); and the bottom end of the round rod (17) is fixedly connected to the top of the rotating block (11).

4. A hydraulic stretching machine workpiece transposition manipulator according to claim 3, characterized in that: The outer side wall of the limiting rod (15) is slidably connected to a moving rod (14), a cross rod (16) is fixed inside the moving rod (14), and two ends of the cross rod (16) pass through the two fixing frames (5) respectively.

5. A workpiece transposition manipulator for a hydraulic stretching machine according to claim 4, characterized in that: The inner upper surface of the fixed frame (5) is fixedly connected to the top of the hydraulic rod (27); a rectangular plate (26) is fixed to the output shaft of the hydraulic rod (27); the front and rear ends of the rectangular plate (26) are rotatably connected to a push rod (25); the bottom end of the push rod (25) is rotatably connected to the clamping arm (31); and the top of the clamping arm (31) is rotatably connected to the inside of the fixed frame (5).

6. A workpiece transposition manipulator for a hydraulic stretching machine according to claim 5, characterized in that: A through slot (19) is formed on the front surface of the clamp arm (31), the movable frame (21) is located inside the through slot (19), the top of the movable frame (21) is fixedly connected to the bottom end of the slide bar (22), the outer wall of the slide bar (22) is slidably connected to the inner wall of the fixed cylinder (23), the top of the fixed cylinder (23) is fixedly connected to the bottom of the rectangular plate (26), a spring (24) is fixed inside the fixed cylinder (23), and the other end of the spring (24) is fixedly connected to the top of the slide bar (22).

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