Workpiece hoisting device of numerically controlled lathe

Abstract

The utility model discloses a workpiece hoisting device for a numerically controlled lathe, which relates to the technical field of numerically controlled lathes and comprises a carriage, an electric pulley is movably connected in a chute of the carriage, an electric hoist is fixedly connected to the bottom surface of the electric pulley, and a hoisting component is arranged on the surface of a movable end movably connected with a steel wire rope of the electric hoist. The two ends of a workpiece needing to be hoisted are placed on the inner rings of the two fixing belts respectively, after placement is completed, the first electric push rod drives the installation frame to move downwards, and after the installation frame moves to the proper position, the workpiece is hoisted through the second electric push rod. An electric push rod II extends out to drive two fixing clamping blocks to move close to each other, so that a part of a fixing belt is clamped in a clamping groove, an inner ring of the fixing belt can completely wrap the arc-shaped surface of a workpiece, then an abutting block is driven by an air cylinder to abut against the surface of the workpiece to complete fixation, and the workpiece is not prone to shaking by the fixing belt during transportation after fixation; the stability is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of numerically controlled lathes, in particular to a workpiece hoisting device for numerically controlled lathes. Background Art

[0002] CNC lathes and turning centers are high-precision and high-efficiency automated machine tools. Equipped with a multi-station turret or a power turret, the machine tools have a wide range of processing capabilities and can process complex workpieces such as straight cylinders, oblique cylinders, arcs, and various threads, grooves, worms, etc. They have various compensation functions such as linear interpolation and circular interpolation, and have played a good economic role in the mass production of complex parts.

[0003] Some existing large workpieces need to be hoisted to the lathe by lifting equipment. Usually, the workpiece is first tied up manually with straps, and then the straps are connected to the hooks of the lifting equipment. Then, the electric hoist is moved to the top of the lathe by the pulley of the lifting equipment, and the workpiece is moved to the limit of the lathe for unloading. Since the workpiece needs to be tied up in advance, it is not only cumbersome but also easy to be fixed unstable, which has certain safety hazards, so it needs to be improved. Utility Model Content

[0004] The utility model aims to make up for the deficiencies of the prior art and provides a workpiece hoisting device for a CNC lathe.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a workpiece hoisting device for a CNC lathe, comprising a slide, an electric pulley is movably connected in a slide groove of the slide, an electric hoist is fixedly connected to the bottom surface of the electric pulley, a hoisting assembly is arranged on the surface of the movable end of the electric hoist wire rope movably connected, and dust cleaning assemblies are arranged on both ends of the front side and the back side of the shell of the electric pulley;

[0006] The lifting assembly includes a connecting frame and a fixing belt. The connecting frame is fixedly installed on the movable end surface of the electric hoist. Two holes are penetrated through the front of the connecting frame, and fixing belts are placed through the inner walls of the holes. The fixing belt is annular. Telescopic components are arranged at the four ends of the bottom surface of the connecting frame, and a fixing component is arranged at the middle end of the bottom surface of the connecting frame.

[0007] As mentioned above, the telescopic component includes an electric push rod and a mounting frame. The four ends of the outer surface of the connecting frame are fixedly connected to the electric push rod, and the movable ends of the electric push rod on the same side are fixedly connected to the mounting frame. The fixing belt passes through the mounting frame, and mounting holes are penetrated on the front and back sides of the mounting frame, and a limiting component is arranged on the inner wall of the mounting hole.

[0008] As mentioned above, the limiting assembly includes an electric push rod 2, a fixed clamp block and a clamp groove. The inner walls of the mounting holes on the front and back of the mounting frame are fixedly installed with the electric push rod 2. The movable ends of the electric push rod 2 are fixedly connected with fixed clamp blocks, and the opposite surfaces of the fixed clamp blocks are provided with clamp grooves.

[0009] As mentioned above, the inner wall of the clamping groove is provided with a plurality of fixing teeth, and the outer surface of the fixing belt is in contact with the inner wall of the clamping groove.

[0010] As mentioned above, the fixing assembly includes a cylinder and a stop block, the top surface of the cylinder is fixedly mounted on the middle end of the bottom surface of the connecting frame, and one end of the piston rod of the cylinder is fixedly connected to the stop block.

[0011] As mentioned above, the cleaning assembly includes an L-shaped tube and a nozzle. The L-shaped tube is fixedly installed on the front and side ends of the electric pulley housing through a bracket. One end of the L-shaped tube is fixedly connected to the nozzle and is connected to the inner cavity of the nozzle. The nozzle outlet faces the slide groove of the slide.

[0012] As mentioned above, an air intake fan is fixedly mounted on one end of the L-shaped tube, and a filter plate is fixedly connected to the air inlet of the air intake fan.

[0013] Compared with the prior art, this CNC lathe workpiece lifting device has the following beneficial effects:

[0014] 1. The utility model provides a connecting frame, a fixing belt, an electric push rod 1, a mounting frame, an electric push rod 2, a fixing clamp block, a clamp groove, a cylinder and a stop block, so that the two ends of the workpiece to be hoisted can be placed on the inner circles of the two fixing belts respectively. After the placement is completed, the mounting frame is driven downward by the electric push rod 1 to move it to a suitable position, and then the two fixing clamp blocks are driven to move closer to each other by the electric push rod 2, so that part of the fixing belt is clamped in the clamp groove, so that the inner circle of the fixing belt can be completely wrapped around the arc surface of the workpiece. At this time, the stop block is driven by the cylinder to press against the surface of the workpiece to complete the fixation, so that there is no need to tie the workpiece in advance, and the workpiece is not easy to shake with the fixing belt during transportation after fixation, and is more stable.

[0015] 2. The utility model provides an L-shaped tube, an air intake fan and a nozzle, so that the air intake fan can continuously supply air to the L-shaped tube, so that the airflow can be ejected from the nozzle along the L-shaped tube to clean the slide groove of the slide and prevent dust from accumulating in the slide groove of the slide. At the same time, the L-shaped tube can move with the electric pulley to clean multiple positions of the slide groove.

[0016] Other advantages, objectives and features of the present invention will be described in the following description to some extent, and will be apparent to those skilled in the art based on the following examination and study, or may be taught from the practice of the present invention to some extent. Description of the Drawings

[0017] Figure 1 It is a three - dimensional structural schematic diagram of the present utility model;

[0018] Figure 2 It is a front - view structural schematic diagram of the present utility model;

[0019] Figure 3 It is a front - view structural schematic diagram of the connecting frame of the present utility model;

[0020] Figure 4 It is a side - view structural schematic diagram of the mounting frame of the present utility model;

[0021] Figure 5 Of the present utility model Figure 1 Partial enlarged structural schematic diagram of A in;

[0022] Figure 6 It is a sectional structural schematic diagram of the L - shaped pipe of the present utility model.

[0023] In the figure: 1. Slide carriage; 2. Electric trolley; 3. Electric hoist; 4. Connecting frame; 5. Fixed belt; 6. Mounting frame; 7. Fixed clamping block; 8. First electric push rod; 9. Clamping groove; 10. Cylinder; 11. Block; 12. Second electric push rod; 13. L - shaped pipe; 14. Air intake fan; 15. Nozzle. Detailed Description of the Preferred Embodiment

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0025] As Figures 1-6 Shown, the present utility model provides a technical solution: A workpiece hoisting device for a numerically controlled lathe, including a slide carriage 1, an electric trolley 2 is movably connected in the chute of the slide carriage 1, an electric hoist 3 is fixedly connected to the bottom surface of the electric trolley 2, a hoisting assembly is arranged on the surface of the movable end of the steel wire rope of the electric hoist 3, and dust - cleaning assemblies are arranged at both ends of the front and back of the outer shell of the electric trolley 2;

[0026] The hoisting assembly includes a connecting frame 4 and a fixed belt 5. The connecting frame 4 is fixedly installed on the surface of the movable end of the electric hoist 3. Two holes are penetrated through the front of the connecting frame 4, and the fixed belt 5 is placed through the inner walls of the holes. The fixed belt 5 is annular. Telescopic assemblies are arranged at the four ends of the bottom surface of the connecting frame 4, and a fixing assembly is arranged at the middle end of the bottom surface of the connecting frame 4.

[0027] According to the overall structure of the device, after the electric hoist 3 is driven by the electric pulley 2 to move to the workpiece position, both ends of the workpiece to be lifted are respectively placed on the inner rings of the two fixing belts 5. After placement, the mounting frame 6 is driven by the first electric push rod 8 to move downward. After it moves to a suitable position, the second electric push rod 12 extends to drive the two fixed clamping blocks 7 to move closer to each other, so that a part of the fixing belt 5 is clamped in the clamping groove 9, enabling the inner ring of the fixing belt 5 to completely wrap around the arc surface of the workpiece. At this time, the cylinder 10 is used to drive the abutting block 11 to abut against the surface of the workpiece to complete the fixation. After the fixation is completed, the connecting frame 4 is driven by the electric hoist 3 to rise, and then the electric hoist 3 is driven by the electric pulley 2 to move to the lathe. Moreover, the intake fan 14 can continuously intake air into the L-shaped pipe 13, so that the air flow can spray out from the nozzle 15 along the L-shaped pipe 13 to clean the chute of the carriage 1, preventing dust from accumulating in the chute of the carriage 1. At the same time, the L-shaped pipe 13 can move together with the electric pulley 2, thereby cleaning multiple positions of the chute of the carriage 1.

[0028] As Figures 3-4 shown, the telescopic assembly includes the first electric push rod 8 and the mounting frame 6. The outer surfaces of the four ends of the connecting frame 4 are fixedly connected with the first electric push rod 8. The movable ends of the first electric push rods 8 on the same side are fixedly connected with the mounting frame 6. The fixing belt 5 passes through the mounting frame 6. Through holes are formed through the front and back of the mounting frame 6, and a limiting assembly is arranged on the inner wall of the through hole. The limiting assembly includes the second electric push rod 12, the fixed clamping block 7 and the clamping groove 9. The second electric push rods 12 are fixedly installed on the inner walls of the through holes on the front and back of the mounting frame 6. The movable ends of the second electric push rods 12 are fixedly connected with the fixed clamping blocks 7. Clamping grooves 9 are formed on the opposite surfaces of the fixed clamping blocks 7. A plurality of fixing teeth are arranged on the inner walls of the clamping grooves 9. The outer surface of the fixing belt 5 is attached to the inner wall of the clamping groove 9.

[0029] By providing the first electric push rod 8, the mounting frame 6, the second electric push rod 12, the fixed clamping block 7 and the clamping groove 9, after the workpiece is placed on the inner ring of the fixing belt 5, the mounting frame 6 can be driven by the first electric push rod 8 to move downward to a suitable position, and then the second electric push rod 12 extends to drive the two fixed clamping blocks 7 to move closer to each other, so that a part of the fixing belt 5 is clamped in the clamping groove 9, enabling the inner ring of the fixing belt 5 to completely wrap around the arc surface of the workpiece.

[0030] As Figure 3 shown, the fixing assembly includes the cylinder 10 and the abutting block 11. The top surface of the cylinder 10 is fixedly installed at the middle of the bottom surface of the connecting frame 4. One end of the piston rod of the cylinder 10 is fixedly connected with the abutting block 11.

[0031] By providing the cylinder 10 and the abutting block 11, the cylinder 10 can be used to drive the abutting block 11 to abut against the workpiece for fixation.

[0032] As Figures 5-6As shown in the figure, the dust cleaning component includes an L-shaped pipe 13 and a nozzle 15. The L-shaped pipe 13 is fixedly installed at both ends of the front and both ends of the side of the housing of the electric trolley 2 through brackets. One end of the L-shaped pipe 13 is fixedly connected to the nozzle 15 and is communicated with the inner cavity of the nozzle 15. The spray outlet of the nozzle 15 faces the chute of the carriage 1. An intake fan 14 is fixedly installed at one end of the L-shaped pipe 13, and a filter plate is fixedly connected to the air inlet of the intake fan 14.

[0033] By providing the L-shaped pipe 13, the nozzle 15 and the intake fan 14, the intake fan 14 can continuously intake air into the L-shaped pipe 13, so that the air flow can be ejected from the nozzle 15 along the L-shaped pipe 13 to clean the chute of the carriage 1, preventing dust from accumulating in the chute of the carriage 1. At the same time, the L-shaped pipe 13 can move along with the electric trolley 2 to clean multiple positions of the chute of the carriage 1.

[0034] Working principle: After the electric trolley 2 drives the electric hoist 3 to move to the position of the workpiece, the two ends of the workpiece to be lifted are respectively placed on the inner circles of the two fixing belts 5. After placement, the electric push rod 8 drives the mounting frame 6 to move downwards. After it moves to a suitable position, the electric push rod 2 extends to drive the two fixing clamp blocks 7 to move closer to each other, so that a part of the fixing belt 5 is clamped in the clamping groove 9, so that the inner circle of the fixing belt 5 can completely wrap the arc surface of the workpiece. At this time, the cylinder 10 drives the abutting block 11 to abut against the surface of the workpiece to complete the fixation. After the fixation is completed, the electric hoist 3 drives the connecting frame 4 to rise, and then the electric trolley 2 drives the electric hoist 3 to move to the lathe, and the intake fan 14 can continuously intake air into the L-shaped pipe 13, so that the air flow can be ejected from the nozzle 15 along the L-shaped pipe 13 to clean the chute of the carriage 1, preventing dust from accumulating in the chute of the carriage 1. At the same time, the L-shaped pipe 13 can move along with the electric trolley 2 to clean multiple positions of the chute of the carriage 1.

[0035] It should be noted that in this text, the orientation or positional relationship indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model; the terms "first", "second", "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance. In addition, unless otherwise clearly specified and defined, the terms "fixedly installed", "installed", "connected", "coupled" should be understood in a broad sense. For example, "installed" can be a fixed connection, a detachable connection, or an integral connection; "connected" can be a mechanical connection or an electrical connection; "coupled" can be a direct connection, an indirect connection through an intermediate medium, or an internal connection between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0036] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A workpiece hoisting device for a numerically controlled lathe, comprising a carriage (1), characterized in that: An electric trolley (2) is movably connected in a chute of the carriage (1). An electric hoist (3) is fixedly connected to the bottom surface of the electric trolley (2). A lifting assembly is arranged on the surface of the movable end of the steel wire rope of the electric hoist (3). Dust cleaning assemblies are arranged at both ends of the front and both ends of the back of the outer shell of the electric trolley (2); The lifting assembly includes a connecting frame (4) and a fixing belt (5). The connecting frame (4) is fixedly installed on the surface of the movable end of the electric hoist (3). Two holes are penetrated through the front surface of the connecting frame (4), and the fixing belt (5) is placed through the inner walls of the holes. The fixing belt (5) is annular. Telescopic assemblies are arranged at four ends of the bottom surface of the connecting frame (4), and a fixing assembly is arranged at the middle end of the bottom surface of the connecting frame (4).

2. The numerically controlled lathe workpiece hoisting device according to claim 1, characterized in that: The telescopic assembly includes a first electric push rod (8) and a mounting frame (6). The outer surfaces of four ends of the connecting frame (4) are fixedly connected with the first electric push rod (8). The movable ends of the first electric push rods (8) on the same side are fixedly connected with the mounting frame (6). The fixing belt (5) passes through the mounting frame (6). Mounting holes are penetrated through the front and back surfaces of the mounting frame (6), and a limiting assembly is arranged on the inner wall of the mounting hole.

3. The numerically controlled lathe workpiece hoisting device according to claim 2, characterized in that: The limiting assembly includes a second electric push rod (12), a fixed clamping block (7) and a clamping groove (9). The second electric push rods (12) are fixedly installed on the inner walls of the mounting holes on the front and back surfaces of the mounting frame (6). The movable ends of the second electric push rods (12) are fixedly connected with the fixed clamping block (7). Clamping grooves (9) are opened on the opposite surfaces of the fixed clamping block (7).

4. A workpiece hoisting device for a numerically controlled lathe according to claim 3, characterized in that: A plurality of fixing teeth are arranged on the inner walls of the clamping grooves (9). The outer surface of the fixing belt (5) is attached to the inner wall of the clamping groove (9).

5. A workpiece hoisting device for a numerically controlled lathe according to claim 1, characterized in that: The fixing assembly includes a cylinder (10) and a resisting block (11). The top surface of the cylinder (10) is fixedly installed at the middle end of the bottom surface of the connecting frame (4). One end of the piston rod of the cylinder (10) is fixedly connected with the resisting block (11).

6. A workpiece hoisting device for a numerically controlled lathe according to claim 1, characterized in that: The dust cleaning assembly includes an L-shaped pipe (13) and a nozzle (15). The L-shaped pipe (13) is fixedly installed at both ends of the front and both ends of the side of the outer shell of the electric trolley (2) through a bracket. One end of the L-shaped pipe (13) is fixedly connected with the nozzle (15) and is communicated with the inner cavity of the nozzle (15). The jet outlet of the nozzle (15) faces the chute of the carriage (1).

7. The workpiece hoisting device for a numerically controlled lathe according to claim 6, characterized in that: An intake fan (14) is fixedly installed at one end of the L-shaped pipe (13). A filter plate is fixedly connected to the air inlet of the intake fan (14).

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