Grabbing device for mold hoisting

Abstract

The utility model discloses a gripping device for mould hoisting, which relates to the mould hoisting field, and comprises a mechanical arm, the left side of the mechanical arm is provided with a device body, the front surface and the back surface of the bottom of the device body are symmetrically and movably connected with gripping group components, and the opposite sides of the two gripping group components are symmetrically and movably connected with buffer blocks; hydraulic lifting rods are symmetrically and fixedly connected to the opposite sides of the two grabbing assembly assemblies, contact columns are symmetrically and fixedly connected to the bottoms of the two hydraulic lifting rods, movable grooves are symmetrically formed in the left side and the right side of the bottom of the device body, and a guide rod is fixedly connected into an inner cavity of the left movable groove. The back face of the servo motor is fixedly connected to the front face of the bidirectional lead screw through a rotating shaft. The grabbing device for hoisting the mold, disclosed by the utility model, can be matched with molds with various sizes and shapes to grab and hoist the molds, and meanwhile, the fastening degree can be ensured after the molds are grabbed.

Description

Technical Field

[0001] The utility model relates to the field of mold hoisting, in particular to a grabbing device for mold hoisting. Background Art

[0002] A mold is a tool that uses a specific shape to form a blank into a product with a certain shape and size under the action of an external force. The mold is extremely widely used in forging, stamping, powder metallurgy pressing, pressure casting, and compression and injection molding of engineering plastics, rubber, ceramics and other products. The mold is generally divided into two parts, which are divided into a movable mold and a fixed mold according to the state of motion.

[0003] When grasping the mold, the adaptability is poor. A single grasping device cannot adapt to molds of various shapes and sizes for grasping, resulting in falling off when forced grasping, which will affect the quality of the mold.

[0004] Therefore, it is necessary to propose a grabbing device for mold hoisting to solve the above problems. Utility Model Content

[0005] The main purpose of the utility model is to provide a grabbing device for mold hoisting, which can effectively solve the problems in the background technology.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A grabbing device for hoisting a mold, comprising a mechanical arm, a device body is installed on the left side of the mechanical arm, grabbing group components are symmetrically and movably connected on the front and back sides of the bottom of the device body, and buffer blocks are symmetrically and movably connected on the opposite sides of the two grabbing group components;

[0008] The two grabbing group assemblies are symmetrically fixedly connected with hydraulic lifting rods on the opposite sides thereof, the bottoms of the two hydraulic lifting rods are symmetrically fixedly connected with contact columns, and the bottoms of the two grabbing group assemblies are symmetrically and movably connected with bottom limiting plates.

[0009] Preferably, movable grooves are symmetrically opened on the left and right sides of the bottom of the device body, a guide rod is fixedly connected to the inner cavity of the movable groove on the left, a bidirectional screw rod is rotatably connected to the inner cavity of the movable groove on the right, a servo motor is installed in the inner cavity of the device body, and the back of the servo motor is fixedly connected to the front of the bidirectional screw rod through a rotating shaft.

[0010] Preferably, movable blocks are symmetrically fixedly connected to the left and right sides of the top of the grabbing group assembly, and the movable blocks are movably connected in the inner cavity of the movable groove. The movable block on the left side is sleeved on the outer wall of the guide rod, and the movable block on the right side is threadedly connected to the outer wall of the bidirectional screw rod.

[0011] Preferably, limiting grooves are symmetrically provided in the middle of opposite sides of the two grasping group components, and limiting blocks are symmetrically fixedly connected on opposite sides of the two buffer blocks, the size of the limiting blocks is larger than the limiting grooves, and the limiting blocks are movably connected in the inner cavity of the grasping group components. Fixed columns are symmetrically fixedly connected on both sides of the inner cavity of the grasping group components, and an extrusion spring is wound around the outer wall of the fixed column, one end of the extrusion spring is fixedly connected to the inner cavity of the grasping group components, and the other end of the extrusion spring is fixedly connected to the outer wall of the limiting block, the limiting block and the buffer block are both sleeved on the outer wall of the fixed column, and an inclined surface is provided on the bottom of the buffer block.

[0012] Preferably, inclined grooves are symmetrically formed on opposite sides of the two bottom limit plates, the contact pillars and the inclined grooves are matched in shape, and the contact pillars and the inclined grooves are located on the same axis.

[0013] Preferably, slide grooves are symmetrically provided on the left and right sides of the top of the grab group assembly, and sliders are symmetrically fixedly connected on the left and right sides of the top of the bottom limit plate, a fixing rod is fixedly connected in the inner cavity of the slide groove, a spring is wound around the outer wall of the fixing rod, one end of the spring is fixedly connected in the inner cavity of the slide groove, and the other end of the spring is fixedly connected to the outer wall of the slider, and the extrusion spring is movably connected in the inner cavity of the slide groove and sleeved on the outer wall of the fixing rod.

[0014] Beneficial Effects

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. The grabbing device for hoisting the mold can drive the device body to move freely through the set mechanical arm, so that the device body can be moved to a suitable position for hoisting according to the position of the mold. By starting the set servo motor, the bidirectional lead screw can be driven to rotate, so that the movable block on the right side can be threadedly connected with the bidirectional lead screw. At this time, the grabbing group components at both ends can be driven to grab the mold.

[0017] 2. The grabbing device for hoisting the mold has a buffer block, which will squeeze the extrusion spring after contacting the mold, so as to achieve a buffering effect. When grabbing the mold, through the set inclined surface, when the distance between the two grabbing group components is not much different from the mold, the grabbing group components and the inclined surface can be directly clamped on the outer wall of the mold by pressing down, so that the efficiency can also be guaranteed during grabbing.

[0018] 3. The grabbing device for hoisting the mold can drive the contact column to press down by starting the hydraulic lifting rod. When the contact column enters the inner cavity of the inclined groove, the bottom limit plate can be bounced outward. At this time, the bottom limit plate can limit the bottom of the mold after grabbing, which can further ensure the tightness after grabbing. Through the set spring, after the hydraulic lifting rod is reset, the bottom limit plate can be driven to reset, which is convenient for subsequent grabbing work. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the front side of the utility model;

[0020] Figure 2 It is a structural schematic diagram of the main body of the device of the utility model;

[0021] Figure 3 It is a structural schematic diagram of the grab group assembly on the back of the utility model;

[0022] Figure 4 It is a structural schematic diagram of the bottom limiting plate on the front side of the utility model.

[0023] In the figure: 1. Robotic arm; 2. Device body; 3. Servo motor; 4. Grasping group assembly; 5. Movable block; 6. Bidirectional screw rod; 7. Guide rod; 8. Limiting groove; 9. Fixed column; 10. Extrusion spring; 11. Buffer block; 12. Limiting block; 13. Inclined surface; 14. Hydraulic lifting rod; 15. Bottom limiting plate; 16. Contact column; 17. Sliding block; 18. Fixed rod; 19. Spring; 20. Inclined groove. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0025] like Figure 1-Figure 3As shown, a grabbing device for mold hoisting includes a mechanical arm 1, a device body 2 is installed on the left side of the mechanical arm 1, grabbing group components 4 are symmetrically and movably connected on the front and back sides of the bottom of the device body 2, and buffer blocks 1 are symmetrically and movably connected on the opposite sides of the two grabbing group components 4, and movable grooves are symmetrically opened on the left and right sides of the bottom of the device body 2, a guide rod 7 is fixedly connected in the inner cavity of the left movable groove, and a bidirectional screw rod 6 is rotatably connected in the inner cavity of the right movable groove, a servo motor 3 is installed in the inner cavity of the device body 2, and the back side of the servo motor 3 is fixedly connected to the front side of the bidirectional screw rod 6 through a rotating shaft, and movable blocks 5 are symmetrically and fixedly connected on the left and right sides of the top of the grabbing group components 4, and the movable blocks 5 are movably connected in the inner cavity of the movable groove. The left movable block 5 is sleeved on the outer wall of the guide rod 7, and the right movable block 5 is threadedly connected to the outer wall of the bidirectional screw rod 6. A limiting groove 8 is symmetrically opened in the middle of the opposite side of the two grasping group components 4. The limiting blocks 12 are symmetrically fixedly connected on the opposite sides of the two buffer blocks 11. The size of the limiting block 12 is larger than the limiting groove 8. The limiting block 12 is movably connected in the inner cavity of the grasping group component 4. Fixed columns 9 are symmetrically fixedly connected on both sides of the inner cavity of the grasping group component 4. The outer wall of the fixed column 9 is wound with an extrusion spring 10. One end of the extrusion spring 10 is fixedly connected to the inner cavity of the grasping group component 4, and the other end of the extrusion spring 10 is fixedly connected to the outer wall of the limiting block 12. The limiting block 12 and the buffer block 11 are both sleeved on the outer wall of the fixed column 9.

[0026] By means of the set mechanical arm 1, the device body 2 can be driven to move freely, so that the device body 2 can be moved to a suitable position according to the position of the mold for hoisting work. By starting the set servo motor 3, the bidirectional screw rod 6 can be driven to rotate, so that the movable block 5 on the right side can be threadedly connected with the bidirectional screw rod 6. At this time, the grasping group components 4 at both ends can be driven to grasp the mold. The buffer block 11 is set, and after it contacts the mold, it will squeeze the extrusion spring 10 to achieve a buffering effect. When grasping the mold, through the set inclined surface 13, when the distance between the two grasping group components 4 is not much different from that of the mold, the grasping group component 4 and the inclined surface 13 can be directly clamped on the outer wall of the mold by pressing down, and the efficiency can also be guaranteed during grasping.

[0027] like Figure 1 , Figure 2 , Figure 4As shown, a grabbing device for mold hoisting, the two grabbing group components 4 are symmetrically fixedly connected with hydraulic lifting rods 14 on the opposite sides, the two hydraulic lifting rods 14 are symmetrically fixedly connected with contact columns 16 at the bottom, the two grabbing group components 4 are symmetrically movably connected with bottom limit plates 15 at the bottom, and the two bottom limit plates 15 are symmetrically provided with inclined grooves 20 on the opposite sides. The shapes of the contact columns 16 and the inclined grooves 20 are adapted to each other, and the contact columns 16 and the inclined grooves 20 are on the same axis. Slide grooves are symmetrically provided on the left and right sides of the top of the grabbing group components 4, and sliders 17 are symmetrically fixedly connected with the left and right sides of the top of the bottom limit plates 15. A fixing rod 18 is fixedly connected in the inner cavity of the slide groove, and a spring 19 is wound around the outer wall of the fixing rod 18. One end of the spring 19 is fixedly connected in the inner cavity of the slide groove, and the other end of the spring 19 is fixedly connected to the outer wall of the slider 17. The extrusion spring 10 is movably connected in the inner cavity of the slide groove and sleeved on the outer wall of the fixing rod 18.

[0028] By starting the hydraulic lifting rod 14, the contact column 16 can be driven to press down. When the contact column 16 enters the inner cavity of the inclined groove 20, the bottom limit plate 15 can be bounced outward. At this time, the bottom limit plate 15 can limit the bottom of the mold after grasping, which can further ensure the tightness after grasping. Through the set spring 19, after the hydraulic lifting rod 14 is reset, the bottom limit plate 15 can be driven to reset, which is convenient for subsequent grasping work.

[0029] It should be noted that the utility model is a grabbing device for hoisting molds. When in use, the mechanical arm 1 is started, the device body 2 is moved to a suitable position, the servo motor 3 is started, and the bidirectional screw rod 6 is driven to rotate, so that the movable block 5 on the right side can be threadedly connected with the bidirectional screw rod 6, and then the grabbing group components 4 at both ends can be driven to move to the opposite side. After moving to a suitable position, the mechanical arm 1 is started to drive the device body 2 to press down. At this time, the device body 2 can drive the grabbing group component 4 to press down. After the grabbing group component 4 drives the buffer block 11 to contact the outer wall of the mold, it will pass The inclined surface 13 squeezes the buffer block 11 into the inner cavity of the grasping group component 4. When the grasping group component 4 contacts the table surface on which the mold is placed, the servo motor 3 continues to be started until the grasping group component 4 drives the buffer block 11 to fit tightly against the outer wall of the mold. At this time, the robot arm 1 can be started to lift the device body 2 to complete the lifting, and the hydraulic lifting rod 14 is started to drive the contact column 16 to contact the bottom limit plate 15 through the inclined groove 20, so as to bounce the bottom limit plate 15 outward. At this time, the bottom limit plate 15 can be moved to the bottom of the mold and limit the bottom of the mold.

[0030] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A gripping device for hoisting a mold, comprising a mechanical arm (1), characterized in that: A device body (2) is installed on the left side of the mechanical arm (1); the front and back sides of the bottom of the device body (2) are symmetrically and movably connected with grabbing group components (4); and the opposite sides of the two grabbing group components (4) are symmetrically and movably connected with buffer blocks (11); A hydraulic lifting rod (14) is symmetrically fixedly connected to the opposite side of the two grasping group assemblies (4), a contact column (16) is symmetrically fixedly connected to the bottom of the two hydraulic lifting rods (14), and a bottom limit plate (15) is symmetrically movably connected to the bottom of the two grasping group assemblies (4).

2. A grabbing device for hoisting a mold according to claim 1, characterized in that: The bottom of the device body (2) is symmetrically provided with movable grooves on the left and right sides, a guide rod (7) is fixedly connected to the inner cavity of the movable groove on the left side, and a bidirectional screw rod (6) is rotatably connected to the inner cavity of the movable groove on the right side. A servo motor (3) is installed in the inner cavity of the device body (2), and the back side of the servo motor (3) is fixedly connected to the front side of the bidirectional screw rod (6) via a rotating shaft.

3. The mold hoisting grabbing device according to claim 1, characterized in that: The left and right sides of the top of the grabbing group component (4) are symmetrically fixedly connected with movable blocks (5), and the movable blocks (5) are movably connected in the inner cavity of the movable groove. The movable block (5) on the left side is sleeved on the outer wall of the guide rod (7), and the movable block (5) on the right side is threadedly connected to the outer wall of the bidirectional screw rod (6).

4. The grabbing device for hoisting a mold according to claim 1, characterized in that: A limiting groove (8) is symmetrically provided in the middle of the opposite side of the two grasping group components (4); a limiting block (12) is symmetrically fixedly connected to the opposite side of the two buffer blocks (11); the size of the limiting block (12) is larger than the limiting groove (8); the limiting block (12) is movably connected in the inner cavity of the grasping group component (4); fixed columns (9) are symmetrically fixedly connected on both sides of the inner cavity of the grasping group component (4); an extrusion spring (10) is wound around the outer wall of the fixed column (9); one end of the extrusion spring (10) is fixedly connected in the inner cavity of the grasping group component (4); the other end of the extrusion spring (10) is fixedly connected to the outer wall of the limiting block (12); the limiting block (12) and the buffer block (11) are both sleeved on the outer wall of the fixed column (9); and an inclined surface (13) is provided at the bottom of the buffer block (11).

5. The mold hoisting grabbing device according to claim 1, characterized in that: The two bottom limit plates (15) are symmetrically provided with inclined grooves (20) on opposite sides thereof, the contact pillars (16) and the inclined grooves (20) are adapted in shape, and the contact pillars (16) and the inclined grooves (20) are located on the same axis.

6. A grabbing device for hoisting a mold according to claim 4, characterized in that: The grabbing group component (4) has symmetrically opened slide grooves on the left and right sides of the top, and the bottom limit plate (15) has symmetrically fixedly connected slide blocks (17) on the left and right sides of the top. A fixing rod (18) is fixedly connected in the inner cavity of the slide groove, and a spring (19) is wound around the outer wall of the fixing rod (18). One end of the spring (19) is fixedly connected in the inner cavity of the slide groove, and the other end of the spring (19) is fixedly connected to the outer wall of the slide block (17). The extrusion spring (10) is movably connected in the inner cavity of the slide groove and sleeved on the outer wall of the fixing rod (18).

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