Hollow rotating platform with protective device

Abstract

The utility model discloses a hollow rotating platform with a protective device, which relates to the technical field of hollow rotating platforms and comprises a worktable, the hollow rotating platform is fixedly mounted at the top of the worktable, a protective cover is arranged at the top of the hollow rotating platform, fixing components are arranged on the left side and the right side of the protective cover, and a transmission shaft is arranged at the top of the protective cover. The top of the transmission shaft is fixedly connected with a connecting plate, the top of the connecting plate is fixedly connected with a placing seat, the top of the placing seat is provided with a pair of sliding plates, the tops of the sliding plates are fixedly connected with clamping plates, and a driving assembly is arranged between the two sliding plates. The protective cover and the fixing assembly are arranged, the clamping blocks are matched with the clamping grooves, the protective cover is fixedly installed on the top of the hollow rotating platform, dust and chippings are blocked, external impurities are prevented from entering the device, normal operation of precise working parts is guaranteed, the protective cover is easy to disassemble and assemble, and the working efficiency is improved. And regular maintenance and overhaul by workers are facilitated, and the practicability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to hollow rotating platform technical field, concretely relates to a hollow rotating platform with protection device. BACKGROUND

[0002] Hollow rotating platform is a kind of rotating mechanism, the rotation part of the center is hollow, mostly through motor and gear transmission to drive the rotation of the inner ring ring to rotate, usually can withstand larger load, and provide very high rotation accuracy, widely used in industry, automation, test equipment and robot etc.

[0003] At present, the dust, chippings and other impurities in external environment are easy to enter the inside of platform when the traditional hollow rotating platform works, increase the equipment wear and tear, influence the normal operation of its precision working parts, reduce the service life of equipment. UTILITY MODEL CONTENT

[0004] To solve above-mentioned technical problem, provide a kind of hollow rotating platform with protection device, the technical scheme of the present application solves the problem that the dust, chippings and other impurities in external environment are easy to enter the inside of platform when the traditional hollow rotating platform works in above-mentioned background art, increase the equipment wear and tear, influence the normal operation of its precision working parts, reduce the service life of equipment.

[0005] To achieve the above purpose, the technical scheme adopted by the utility model is as follows:

[0006] A kind of hollow rotating platform with protection device, including workbench, the top of the workbench is fixedly installed with hollow rotating platform, the top of the hollow rotating platform is equipped with protective cover, the left and right sides of the protective cover are equipped with fixed component, the top of the protective cover is rotatably installed with transmission shaft, the top of the transmission shaft is fixedly connected with connecting plate, the top of the connecting plate is fixedly connected with placing seat, the top left and right sides of the placing seat are equipped with sliding slot, the inside of the sliding slot is slidably installed with sliding plate, the top of the sliding plate is fixedly connected with clamping plate, driving component is equipped between the two sliding plates.

[0007] Optionally, the right fixed component includes fixed block and two protrusions, the fixed block is fixedly connected to the right side wall of protective cover, a pair of guide grooves are formed in the bottom of the fixed block, the inside of the guide groove is slidably installed with clamping block, the side, where the two clamping blocks are close to each other, is fixedly connected with damping spring, a pair of through grooves are formed in the right side of the fixed block, the right end of the clamping block is fixedly connected with push block, the push block extends out through the through groove, and the side wall of the push block is slidably connected with the inner wall of the through groove, the two protrusions are fixedly connected to the right side wall of hollow rotating platform, the top of the protrusion is equipped with clamping groove, and the lower end of the two clamping blocks is respectively clamped with the inside of the two clamping grooves.

[0008] Optionally, the driving assembly comprises a column, a pair of hinged seats and a cylinder, the column is fixedly connected to the top of the connecting plate, the top of the column is rotatably installed with a rotating plate, the top of the rotating plate is rotatably installed with a hinged rod on the front and rear sides, the two hinged seats are fixedly connected to the side of the two sliding plates close to each other, the other end of the hinged rod is hinged to the inside of the hinged seat, and the cylinder is fixedly installed on the top right side of the connecting plate, and the output end of the cylinder is fixedly connected to the right end of the right sliding plate.

[0009] Optionally, the top of the hollow rotating platform is provided with a plurality of positioning grooves, and the bottom of the protective cover is fixedly connected with a plurality of positioning pins, and the surface of the positioning pin is in sliding connection with the inside of the positioning groove.

[0010] Optionally, the lower end of the transmission shaft is connected with the rotating ring of the hollow rotating platform through a key and a key groove.

[0011] Compared with the prior art, the beneficial effects of the utility model lie in:

[0012] 1. The protective cover is fixedly installed on the top of the hollow rotating platform by setting the protective cover and the fixing assembly, the cooperation of the clamping block and the clamping groove blocks the dust and debris, prevents foreign matters from entering the inside of the device, ensures the normal operation of the precise working parts, the protective cover is easy to disassemble and assemble, regular maintenance and repair are facilitated for workers, and the practicability is improved.

[0013] 2. The two sliding plates drive the clamping plate to be close to each other by setting the clamping plate and the driving assembly, the workpiece is clamped and fixed, the use is flexible, the workpiece of different shapes and sizes is suitable, the stability in the workpiece machining process is ensured, and the product quality is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0015] Figure 2 It is a three-dimensional structure sectional view of the utility model;

[0016] Figure 3 It is a three-dimensional structure sectional view of the utility model;

[0017] Figure 4 It is Figure 2 It is a local enlarged schematic view of structure A in the utility model.

[0018] The figure mark is:

[0019] 1, workbench; 2, hollow rotating platform; 21, positioning groove; 3, protective cover; 31, positioning pin; 4, fixing assembly; 41, fixing block; 42, guide groove; 43, clamping block; 44, damping spring; 45, through groove; 46, push block; 47, protruding block; 48, clamping groove; 5, transmission shaft; 6, connecting plate; 7, placing seat; 8, sliding groove; 9, sliding plate; 10, clamping plate; 11, driving assembly; 111, stand; 112, rotating plate; 113, hinged rod; 114, hinged seat; 115, air cylinder. DETAILED DESCRIPTION

[0020] The following description is used to disclose the utility model so that those skilled in the art can implement the utility model. The preferred embodiments in the following description are only as examples, and other obvious modifications can be thought of by those skilled in the art.

[0021] Referring to Figure 1 As shown in the figure, a hollow rotating platform with a protective device comprises a workbench 1, the top of the workbench 1 is fixedly installed with a hollow rotating platform 2, the top of the hollow rotating platform 2 is provided with a protective cover 3, the left and right sides of the protective cover 3 are provided with fixing assemblies 4, the top of the protective cover 3 is rotatably installed with a transmission shaft 5, the top of the transmission shaft 5 is fixedly connected with a connecting plate 6, the top of the connecting plate 6 is fixedly connected with a placing seat 7, the top of the placing seat 7 is provided with sliding grooves 8 on the left and right sides, the inside of the sliding grooves 8 is slidably installed with sliding plates 9, the top of the sliding plates 9 is fixedly connected with clamping plates 10, the driving assembly 11 is arranged between the two sliding plates 9, the top of the hollow rotating platform 2 is provided with a plurality of positioning grooves 21, the bottom of the protective cover 3 is fixedly connected with a plurality of positioning pins 31, the surface of the positioning pins 31 is slidably connected with the inside of the positioning grooves 21, the lower end of the transmission shaft 5 is connected with the rotating ring of the hollow rotating platform 2 through a key and a key groove, when in use, the protective cover 3 blocks dust and debris, avoiding foreign matter from entering the inside of the device, ensuring the normal operation of the precise working components in the device, the rotating plate 112 in the driving assembly 11 drives the hinged rods 113 at both ends to move, so that the sliding plates 9 drive the clamping plates 10 to move close to each other, clamping and fixing the workpiece on the top of the placing seat 7 for processing, the hollow rotating platform 2 drives the transmission shaft 5 and the connecting plate 6 to rotate, driving the workpiece to rotate and process, when maintaining the equipment, the clamping block 43 is removed from the clamping groove 48 by turning the push block 46 in the fixing assembly 4, so that the fixing can be released, the protective cover 3 is removed from the top of the hollow rotating platform 2, the structure is simple, the operation is convenient, and the practicability of the device is improved.

[0022] Further, as Figure 2 Figure 4 ​As shown, the right-side fixing component 4 includes a fixing block 41 and two protrusions 47. The fixing block 41 is fixedly connected to the right side wall of the protective cover 3. A pair of guide grooves 42 are provided at the bottom of the fixing block 41. A locking block 43 is slidably installed inside the guide grooves 42. A damping spring 44 is fixedly connected to the side of the two locking blocks 43 that are close to each other. A pair of through grooves 45 are provided on the right side of the fixing block 41. A lever 46 is fixedly connected to the right end of the locking block 43. The lever 46 extends out through the through grooves 45, and the side wall of the lever 46 is slidably connected to the inner wall of the through groove 45. The two protrusions 47 are fixedly connected to the right side wall of the hollow rotating platform 2. A slot 48 is provided at the top of the protrusions 47. The lower ends of the two locking blocks 43 are respectively connected to the two slots 48. When installing the protective cover 3, the internal locking mechanism of the 8-type rotating platform 2 is used. The positioning pin 31 and the positioning groove 21 are used for positioning connection. At this time, the locking block 43 enters the groove 48 under the pressure of the protrusion 47. The damping spring 44 drives the locking block 43 to move, so that the locking block 43 engages with the groove 48, fixing the protective cover 3 on the top of the hollow rotating platform 2. In daily use, it blocks external dust, debris and other impurities, preventing impurities from entering the interior of the rotating platform, ensuring the normal operation of the precision working parts inside the platform, and improving the service life of the platform. When the worker performs regular maintenance, the locking block 43 can be removed from the groove 48 by moving the lever 46, releasing the fixation between the two, making it convenient for the worker to remove the protective cover 3, thus improving its practicality.

[0023] The drive assembly 11 includes a column 111, a pair of hinge seats 114, and a cylinder 115. The column 111 is fixedly connected to the top of the connecting plate 6. A rotating plate 112 is rotatably mounted on the top of the column 111. Hinges 113 are rotatably mounted on both the front and rear sides of the top of the rotating plate 112. The two hinge seats 114 are respectively fixedly connected to the sides of the two slide plates 9 that are close to each other. The other end of the hinge rod 113 is hinged to the inside of the hinge seat 114. The cylinder 115 is fixedly mounted on the top right side of the connecting plate 6. The output end of the cylinder 115 is connected to the right slide plate. The right end of 9 is fixedly connected, and the right slide plate 9 is pushed by the cylinder 115. The right slide plate 9 drives the right hinge rod 113 to move. The right hinge rod 113 drives the rotating plate 112 to rotate, which in turn drives the left hinge rod 113 to move. The left hinge rod 113 drives the left slide plate 9 to move. The two slide plates 9 drive the two clamping plates 10 to move closer to each other, clamping and fixing workpieces of different shapes and sizes. It is flexible in use, ensures the stability of the workpiece during processing, and improves product quality.

[0024] The working principle of this utility model is as follows: When in use, the workpiece to be processed is placed on the top of the placement seat 7, the cylinder 115 is started, and through the cooperation of the rotating plate 112 and the hinge rod 113, the sliding plate 9 drives the clamping plate 10 to move closer to each other, clamping and fixing the workpiece. The rotating ring of the hollow rotating platform 2 drives the transmission shaft 5 to rotate, thereby causing the connecting plate 6 and the placement seat 7 to rotate together to process the workpiece. In daily use, the protective cover 3 blocks external dust, debris and other impurities to prevent them from entering the platform. When maintaining the equipment, by moving the lever 46 to move the locking block 43 out of the locking slot 48, the protective cover 3 can be released from the hollow rotating platform 2, making it convenient for workers to remove the protective cover 3 for equipment maintenance. The operation is simple and the practicality is improved.

[0025] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A hollow rotating platform with a protective device, characterized in that: The system includes a workbench (1), a hollow rotating platform (2) fixedly installed on the top of the workbench (1), a protective cover (3) on the top of the hollow rotating platform (2), a fixing component (4) on both the left and right sides of the protective cover (3), a drive shaft (5) rotatably installed on the top of the protective cover (3), a connecting plate (6) fixedly connected to the top of the drive shaft (5), a placement seat (7) fixedly connected to the top of the connecting plate (6), a sliding groove (8) on both the left and right sides of the top of the placement seat (7), a sliding plate (9) slidably installed inside the sliding groove (8), a clamping plate (10) fixedly connected to the top of the sliding plate (9), and a drive component (11) between the two sliding plates (9).

2. A hollow rotating platform with a protective device according to claim 1, characterized in that: The fixing component (4) on the right side includes a fixing block (41) and two protrusions (47). The fixing block (41) is fixedly connected to the right side wall of the protective cover (3). A pair of guide grooves (42) are provided at the bottom of the fixing block (41). A locking block (43) is slidably installed inside the guide groove (42). A damping spring (44) is fixedly connected to the side of the two locking blocks (43) that are close to each other. A pair of through grooves are provided on the right side of the fixing block (41). 45) A lever (46) is fixedly connected to the right end of the locking block (43). The lever (46) extends out through the through groove (45), and the side wall of the lever (46) is slidably connected to the inner wall of the through groove (45). The two protrusions (47) are fixedly connected to the right side wall of the hollow rotating platform (2). The top of the protrusion (47) is provided with a locking groove (48), and the lower ends of the two locking blocks (43) are respectively engaged with the inside of the two locking grooves (48).

3. A hollow rotating platform with a protective device according to claim 1, characterized in that: The drive assembly (11) includes a column (111), a pair of hinge seats (114), and a cylinder (115). The column (111) is fixedly connected to the top of the connecting plate (6). A rotating plate (112) is rotatably mounted on the top of the column (111). Hinges (113) are rotatably mounted on both the front and rear sides of the top of the rotating plate (112). The two hinge seats (114) are respectively fixedly connected to the sides of the two slide plates (9) that are close to each other. The other end of the hinge rod (113) is hinged to the inside of the hinge seat (114). The cylinder (115) is fixedly mounted on the top right side of the connecting plate (6). The output end of the cylinder (115) is fixedly connected to the right end of the right slide plate (9).

4. A hollow rotating platform with a protective device according to claim 1, characterized in that: The top of the hollow rotating platform (2) is provided with several positioning grooves (21), and the bottom of the protective cover (3) is fixedly connected with several positioning pins (31). The surface of the positioning pins (31) is slidably connected to the inside of the positioning grooves (21).

5. A hollow rotating platform with a protective device according to claim 1, characterized in that: The lower end of the drive shaft (5) is connected to the rotating ring of the hollow rotating platform (2) via a key and a keyway.

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