A turntable device

Abstract

The present invention discloses a turntable device, comprising: a base, a rotating shaft core, a rotating disk and a bearing assembly. The rotating disk is fixedly connected to the rotating shaft core, the axial direction of the rotating shaft core is arranged along the up-down direction, the rotating shaft core is provided with a load-bearing part, and the load-bearing part is in a cone shape that is wide at the top and narrow at the bottom. The bearing assembly is installed on the base, and the bearing assembly is provided with a load-bearing bearing, the shape of the inner ring of the load-bearing bearing is consistent with the load-bearing part, and the load-bearing part is coaxially installed on the load-bearing bearing. The present invention transfers the load on the rotating disk to the base by arranging a bearing assembly, thereby avoiding contact friction between the rotating disk and the base, and avoiding the need for frequent replacement of wear-resistant copper plates or copper columns when the turntable device is overloaded. The present invention can be applied to automation equipment.

Description

Technical Field

[0001] The invention relates to the field of automation equipment, and in particular to a turntable device. Background Art

[0002] Turntable devices are widely used in automated processing equipment. Different from linear transmission, the workstations of turntable devices are usually evenly distributed in a circle. The workpiece moves in a circle on the turntable device. The workpiece rotates continuously or distributedly in a relatively concentrated area. Therefore, different processing procedures can be performed on the workpiece at each workstation on the turntable device. The completed workpiece needs to be discharged from the turntable device through a specific mechanism.

[0003] In the prior art, for a turntable device with a large load, a wear-resistant copper plate or copper column needs to be arranged between the rotating disk and the bottom plate for support, so that the rotating disk can bear a large load, and then a driving mechanism is used to rotate the rotating disk. The copper plate or copper column arranged between the rotating disk and the bottom plate needs to be replaced regularly, resulting in high parts cost and maintenance time cost. Summary of the invention

[0004] The object of the present invention is to provide a turntable device to solve one or more technical problems existing in the prior art and at least provide a beneficial choice or create conditions.

[0005] The technical solutions adopted to solve the above technical problems are:

[0006] A turntable device comprises: a base, a rotating shaft core, a rotating disk and a bearing assembly;

[0007] The rotating disk is fixedly connected to the rotating shaft core;

[0008] The axial direction of the rotating shaft core is arranged along the up-down direction, and the rotating shaft core is provided with a load-bearing portion, and the load-bearing portion is in a cone shape that is wide at the top and narrow at the bottom;

[0009] The bearing assembly is installed on the base, and the bearing assembly is provided with a load-bearing bearing. The shape of the inner ring of the load-bearing bearing is consistent with the shape of the load-bearing part, and the load-bearing part is coaxially installed on the inner side of the load-bearing bearing.

[0010] The beneficial effect of the present invention is that the load-bearing part is coaxially installed on the inner ring of the load-bearing bearing, so that the load of the rotating disk fixedly installed on the rotating shaft core can be transmitted to the load-bearing bearing through the load-bearing part, and then transmitted to the base through the load-bearing bearing, thereby avoiding the need to set a wear-resistant copper plate or copper column between the rotating disk and the base, greatly saving maintenance costs.

[0011] As a further improvement of the above technical solution, the rotating disk is in the shape of a disk, the rotating disk is coaxially arranged with the rotating shaft core, and the rotating disk is fixedly installed at the upper end of the rotating shaft core. Through the above technical solution, the rotating disk is in the shape of a disk and coaxially arranged with the rotating shaft core, so that the rotating disk occupies less space when rotating, and it is easier to set a processing station on the rotating disk.

[0012] As a further improvement of the above technical solution, the rotating disk is fixedly mounted with a turntable gear, the turntable gear is coaxially arranged with the rotating shaft core, the base is fixedly mounted with a driving mechanism, the driving mechanism is provided with a driving motor and a driving gear, the driving gear is meshed with the turntable gear, and the driving gear is synchronously connected with the output shaft of the driving motor. Through the above technical solution, the driving motor can be effectively transmitted with the rotating disk through the driving gear and the turntable gear to achieve synchronous connection, and the driving motor can make the rotating disk rotate cyclically or stop.

[0013] As a further improvement of the above technical solution, the base is further provided with a plurality of limit mounting blocks, the limit mounting blocks are arranged on the outer side of the rotating disk and fixedly connected to the base, the limit mounting blocks are provided with a limit roller and / or a turntable pressure code, the turntable pressure code is fixedly arranged on the upper side of the turntable gear, the limit roller is rotatably arranged on the outer side of the rotating disk, the outer periphery of the limit roller rolls and abuts against the outer periphery of the rotating disk, and the limit roller. Through the above technical solution, the rotation range of the rotating disk can be limited by the limit roller to prevent the rotating disk from rotating and swaying; the turntable gear is limited by the plurality of turntable pressure codes to prevent the rotating disk from being unevenly installed and tilted, thereby affecting the service life of the turntable device.

[0014] As a further improvement of the above technical solution, a guide groove is provided on the upper side of the rotating disk, and a guide cavity is provided in the middle of the rotating shaft core, and the guide cavity is connected to the guide groove. Through the above technical solution, the guide groove and the guide cavity can be provided with wires, air pipes, water pipes, etc., or directly conduct fluid, so that the station on the rotating disk can be provided with a cylinder or other components without winding problems.

[0015] As a further improvement of the above technical solution, a rotating joint is fixedly installed at the lower end of the guide cavity, a diverter block is provided at the end of the guide groove, and the diverter block is provided with an air inlet and multiple air outlets, and the multiple air outlets are all connected to the air inlet. A plurality of workstations are generally arranged on the rotating disk. Through the above technical solution, the compressed gas transported through the guide cavity and the guide groove can be diverted to multiple workstations through the diverter block, meeting the situation of setting multiple workstations on the rotating disk.

[0016] As a further improvement of the above technical solution, the base is provided with a positioning assembly, the positioning assembly includes a positioning cylinder and a positioning block, the positioning block is slidably mounted on the base and fixedly connected to the piston rod of the positioning cylinder, and the positioning cylinder is fixedly mounted on the base; the outer edge of the rotating disk is provided with a positioning groove for the positioning block to be embedded in. Through the above technical solution, when the rotating disk is rotated into place, the positioning cylinder extends out to drive the positioning block to embed into the positioning groove of the rotating disk, so that the rotating disk will not rotate before the positioning cylinder is retracted, effectively avoiding the malfunction of misrotation.

[0017] As a further improvement of the above technical solution, the turntable is in the shape of a disk, the side of the turntable is a circumferential surface, a sensing part is provided on the side, a sensing component is installed on the base, the sensing component is provided with a plurality of proximity switches, and the proximity switches are installed on the outer side of the circumferential surface of the turntable. Through the above technical solution, the proximity switches of the sensing component can sense the sensing part on the side of the rotating disk, so as to determine the rotation position of the rotating disk, and facilitate the automatic control of the turntable device.

[0018] As a further improvement of the above technical solution, the bearing assembly is further provided with an adjustment nut, the adjustment nut is arranged below the load-bearing bearing, the adjustment nut is coaxially threadedly installed on the rotating shaft core, a plurality of thrust ball bearings are arranged between the adjustment nut and the load-bearing bearing, the thrust ball bearings are coaxially arranged with the rotating shaft core, and the inner ring and outer ring of the thrust ball bearing are respectively pressed against the rotating shaft core and the base. Through the above technical solution, the thrust ball bearing is matched with the load-bearing bearing, so that the rotating shaft core and the base are connected through multiple bearings, and it is not easy to deflect; the adjustment nut is threadedly connected with the rotating shaft core so that it can adjust the distance between it and the rotating shaft core, so that the bearing assembly can press against each other in the up and down directions, increasing the rotation stability.

[0019] As a further improvement of the above technical solution, the base is provided with a shaft cavity, the rotating shaft core and the bearing assembly are both provided in the shaft cavity, the upper and lower ends of the shaft cavity are respectively provided with a shaft seal gland and a shaft seal support cover, the shaft seal gland and the shaft seal support cover are both installed with an annular shaft seal, and the base is provided with an oil filling hole, the oil filling hole is connected with the outer side of the base and the shaft cavity. Through the above technical solution, the annular shaft seal is installed at the upper and lower ends of the shaft cavity through the shaft seal gland and the shaft seal support cover, so that a dynamic seal is formed between the rotating shaft core and the base, so that the shaft cavity is protected from external contamination, and the grease in the shaft cavity can be continuously lubricated, reducing energy loss during rotation. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention will be further described below in conjunction with the accompanying drawings and embodiments;

[0021] Figure 1 is a three-dimensional schematic diagram of an embodiment of the turntable device provided by the present invention;

[0022] Figure 2 is a side view of an embodiment of the turntable device provided by the present invention;

[0023] Figure 3 is a top view of an embodiment of the turntable device provided by the present invention;

[0024] Figure 4 is a side cross-sectional view of an embodiment of the turntable device provided by the present invention;

[0025] Figure 5 yes Figure 4 A partial enlarged view of

[0026] Figure 6 yes Figure 2 A partial enlarged view of .

[0027] 100, base, 110, driving mechanism, 111, driving motor, 112, driving gear, 120, limit mounting block, 121, limit roller, 122, turntable code, 130, positioning assembly, 131, positioning block, 132, positioning cylinder, 140, induction assembly, 150, oil filling hole,

[0028] 200, rotating shaft core, 210, load-bearing part, 220, guide cavity,

[0029] 300, rotating disk, 310, rotating disk gear, 320, guide groove, 330, diverter block, 340, positioning groove, 350, induction part,

[0030] 400. Bearing assembly; 410. Load-bearing bearing; 420. Adjusting nut; 430. Thrust ball bearing; 440. Shaft seal gland; 450. Shaft seal support cover. DETAILED DESCRIPTION

[0031] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0032] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., and orientations or positional relationships indicated are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0033] In the description of the present invention, if there are words such as "several", it means one or more, "more" means more than two, greater than, less than, exceed, etc. are understood as not including the number, and above, below, within, etc. are understood as including the number.

[0034] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0035] Reference Figures 1 to 6 The turntable device of the present invention is implemented as follows:

[0036] A turntable device includes: a base 100, a rotating shaft core 200, a rotating disk 300 and a bearing assembly 400.

[0037] The rotating disk 300 is in the shape of a disk, the rotating shaft core 200 is in the shape of a cylinder, and the rotating disk 300 is coaxially fixedly installed on the upper end of the rotating shaft core 200. The axial direction of the rotating shaft core 200 is arranged along the up-down direction, and the rotating shaft core 200 is provided with a bearing part 210, and the bearing part 210 is in the shape of a cone that is wide at the top and narrow at the bottom.

[0038] A guide groove 320 is provided on the upper side of the rotating disk 300, and a guide cavity 220 is provided in the middle of the rotating shaft core 200, and the guide cavity 220 is connected to the guide groove 320. A rotating joint is fixedly installed at the lower end of the guide cavity 220, and a diverter block 330 is provided at the end of the guide groove 320. The diverter block 330 is provided with an air inlet and multiple air outlets, and the multiple air outlets are all connected to the air inlet.

[0039] The base 100 is provided with a rotating shaft cavity, and the rotating shaft core 200 and the bearing assembly 400 are both arranged in the rotating shaft cavity. The bearing assembly 400 is provided with a load-bearing bearing 410 and an adjusting nut 420. The shape of the inner ring of the load-bearing bearing 410 is consistent with that of the load-bearing part 210, and the load-bearing part 210 is coaxially mounted on the load-bearing bearing 410. The load-bearing bearing 410 and the adjusting nut 420 are both coaxially threadedly mounted on the rotating shaft core 200. Two thrust ball bearings 430 are arranged between the adjusting nut 420 and the load-bearing bearing 410, and the two thrust ball bearings 430 are coaxially arranged with the rotating shaft core 200, and the inner ring and outer ring of the thrust ball bearing 430 are respectively pressed against the rotating shaft core 200 and the base 100. A shaft seal pressure cover 440 and a shaft seal support cover 450 are respectively provided at the upper and lower ends of the shaft cavity. Both the shaft seal pressure cover 440 and the shaft seal support cover 450 are installed with annular shaft seals. The base 100 is provided with an oil filling hole 150, and the oil filling hole 150 is connected to the outer side of the base 100 and the shaft cavity.

[0040] The rotating disk 300 is fixedly mounted with a rotating disk gear 310, and the rotating disk gear 310 is coaxially arranged with the rotating disk 300. The base 100 is fixedly mounted with a driving mechanism 110, and the driving mechanism 110 is provided with a driving motor 111 and a driving gear 112, and the driving gear 112 is meshed with the rotating disk gear 310, and the driving gear 112 is synchronously connected with the output shaft of the driving motor 111.

[0041] The base 100 is provided with a positioning assembly 130, and the positioning assembly 130 includes a positioning cylinder 132 and a positioning block 131. The positioning block 131 is slidably installed on the base 100 and fixedly connected to the piston rod of the positioning cylinder 132. The positioning cylinder 132 is fixedly installed on the base 100; the outer edge of the rotating disk 300 is provided with a positioning groove 340 for the positioning block 131 to be clamped and embedded.

[0042] The base 100 is also provided with four limit mounting blocks 120. The limit mounting blocks 120 are all arranged on the outer side of the rotating disk 300 and fixedly connected to the base 100. Two of the limit mounting blocks 120 are fixedly installed with turntable pressure codes 122, and the other two limit mounting blocks 120 are installed with limit rollers 121 and turntable pressure blocks. The turntable pressure code 122 is fixedly arranged on the upper side of the turntable gear 310; the limit roller 121 is rotatably arranged on the outer side of the rotating disk 300, and the outer periphery of the limit roller 121 rolls and abuts against the outer periphery of the rotating disk 300. The limit mounting block 120 provided with the limit roller 121 and the driving gear 112 are respectively arranged on both sides of the rotating disk 300, so that the radial force of the rotating disk 300 is more uniform.

[0043] The side surface of the rotating disk is a circumferential surface, on which a sensing part 350 is disposed. A sensing component 140 is mounted on the base 100, and the sensing component 140 is provided with a plurality of proximity switches, and the proximity switches are mounted on the outer side of the circumferential surface of the rotating disk.

[0044] Reference Figures 1 to 6 When using the turntable device of the present invention: First, by adjusting the position of the adjusting nut 420, the two thrust ball bearings 430 between the load-bearing bearing 410 and the adjusting nut 420 are in contact with the load-bearing bearing 410 and the rotating shaft cavity of the base 100 in the up-down direction, and the load-bearing part 210 of the rotating shaft core 200 is in contact with the inner ring of the load-bearing bearing 410. Then, the driving motor 111 drives the driving gear 112 to rotate, so that the turntable gear 310 and the rotating disk 300 rotate, and the workstation on the rotating disk 300 is transferred. In addition, the compressed gas supply of the workstation on the turntable can be transmitted to the guide groove 320 through the guide cavity 220 of the rotating shaft core 200 and diverted for use through the diverter block 330. The rotation position of the rotating disk 300 can be determined by the proximity switch of the sensing component 140 sensing the sensing part 350 on the side of the rotating disk 300, so as to conveniently realize automatic control. When the rotating disk 300 rotates to the right position, the positioning cylinder 132 extends to drive the positioning block 131 to be embedded in the positioning groove 340 of the rotating disk 300, so that the rotating disk 300 will not rotate before the positioning cylinder 132 retracts, thereby effectively avoiding the malfunction of misrotation.

[0045] The preferred embodiments of the present invention are described in detail above, but the present invention is not limited to the embodiments. Those skilled in the art may make various equivalent modifications or substitutions without violating the spirit of the present invention. These equivalent modifications or substitutions are all included in the scope defined by the claims of this application.

Claims

1. A turntable device, characterized in that: include: Base, rotating shaft core, rotating disk and bearing assembly; The rotating disk is fixedly connected to the rotating shaft core; The axial direction of the rotating shaft core is arranged along the up-down direction, and the rotating shaft core is provided with a load-bearing portion, and the load-bearing portion is in a cone shape that is wide at the top and narrow at the bottom; The bearing assembly is mounted on the base, and the bearing assembly is provided with a load-bearing bearing, the shape of the inner ring of the load-bearing bearing is consistent with the shape of the load-bearing part, and the load-bearing part is coaxially mounted on the inner side of the load-bearing bearing; A guide groove is provided on the upper side of the rotating disk, and a guide cavity is provided in the middle of the rotating shaft core, and the guide cavity is connected to the guide groove; A rotating joint is fixedly installed at the lower end of the guide cavity, a diverter block is provided at the end of the guide groove, and the diverter block is provided with an air inlet and a plurality of air outlets, and the plurality of air outlets are all connected to the air inlet; The bearing assembly is also provided with an adjusting nut, which is arranged below the load-bearing bearing. The adjusting nut is coaxially threadedly installed on the rotating shaft core. A plurality of thrust ball bearings are arranged between the adjusting nut and the load-bearing bearing. The thrust ball bearings are all coaxially arranged with the rotating shaft core. The inner ring and outer ring of the thrust ball bearing are respectively tightly pressed against the rotating shaft core and the base.

2. The turntable device according to claim 1, characterized in that: The rotating disk is in the shape of a disk, is coaxially arranged with the rotating shaft core, and is fixedly mounted on the upper end of the rotating shaft core.

3. The turntable device according to claim 2, characterized in that: The rotating disk is fixedly mounted with a turntable gear, which is coaxially arranged with the rotating shaft core; the base is fixedly mounted with a driving mechanism, which is provided with a driving motor and a driving gear, which is meshed with the turntable gear, and the driving gear is synchronously connected with the output shaft of the driving motor.

4. The turntable device according to claim 3, characterized in that: The base is also provided with a plurality of limit mounting blocks, the limit mounting blocks are arranged on the outer side of the rotating disk and fixedly connected to the base, the limit mounting blocks are provided with a limit roller and / or a turntable pressure code, the turntable pressure code is fixedly arranged on the upper side of the turntable gear, the limit roller is rotatably arranged on the outer side of the rotating disk, and the outer periphery of the limit roller rolls and abuts against the outer periphery of the rotating disk.

5. The turntable device according to claim 1, characterized in that: The base is provided with a positioning assembly, which includes a positioning cylinder and a positioning block. The positioning block is slidably mounted on the base and fixedly connected to the piston rod of the positioning cylinder. The positioning cylinder is fixedly mounted on the base. The outer edge of the rotating disk is provided with a positioning groove for the positioning block to be clamped and embedded.

6. The turntable device according to claim 1, characterized in that: The rotating disk is in the shape of a disk, the side surface of the rotating disk is a circumferential surface, a sensing part is arranged on the side surface, a sensing component is installed on the base, the sensing component is provided with a plurality of proximity switches, and the proximity switches are installed on the outer side of the circumferential surface of the rotating disk.

7. The turntable device according to claim 1, characterized in that: The base is provided with a rotating shaft cavity, the rotating shaft core and the bearing assembly are both arranged in the rotating shaft cavity, the upper and lower ends of the rotating shaft cavity are respectively provided with a shaft seal pressure cover and a shaft seal support cover, the shaft seal pressure cover and the shaft seal support cover are both installed with annular shaft seals, and the base is provided with an oil filling hole, and the oil filling hole is connected with the outer side of the base and the rotating shaft cavity.

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