Rotary table for sheet metal part machining

Abstract

The utility model discloses a rotary table for machining sheet metal parts, and relates to the field of sheet metal machining. The rotary table is rotationally mounted above the supporting seat and used for placing a to-be-machined sheet metal part; the rotating shaft is fixedly installed at the center of the bottom face of the rotary table, the bottom of the rotating shaft penetrates through the supporting base and extends to the position below the supporting base, and an angle encoder is installed on the bottom face of the rotating shaft; the turbine is fixedly sleeved on the rotating shaft, and one side of the turbine is connected with a worm in a matching manner; the driving element is fixedly installed on the supporting base, and an output shaft of the driving element is connected with the worm and used for driving the worm to operate. A high-precision transmission structure of the turbine and the worm is matched with the driving element to drive the rotary table to rotate on the supporting seat, meanwhile, the angle encoder is arranged for real-time detection, and compared with existing gear transmission, the rotary control precision of the rotary table is greatly improved, the requirement for machining and using of precise parts is met, and the production cost is reduced. And the turbine and the worm can realize a self-locking function, so that the rotary table is prevented from deflecting, and the accuracy of the angle is not influenced.

Description

Technical Field

[0001] This utility model relates to the field of sheet metal processing, and in particular to a turntable for processing sheet metal parts. Background Technology

[0002] A rotary table is a machine tool accessory with a rotatable table surface used to clamp workpieces and achieve rotation and indexing positioning; it is also called a rotary table or fourth axis.

[0003] The existing patent number is 202120886588.0, which discloses a turntable for sheet metal processing, including a support mechanism and a rotating mechanism. The support mechanism includes a lower support plate, a power component assembled on the lower support plate, and a drive gear driven by the power component. The rotating mechanism includes a turntable sliding on the lower support plate, a connector for inserting workpieces, a fixing component for fixing workpieces, and an internal gear tooth meshing with the drive gear.

[0004] The aforementioned existing technology uses gears to drive the turntable, but the precision of gear drive is limited and cannot meet the fine angle rotation adjustment, thus it cannot be used to process precision parts and has certain limitations. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the present invention provides a turntable for sheet metal processing to solve the problems existing in the background art.

[0006] This utility model provides the following technical solution: a turntable for sheet metal processing, comprising:

[0007] Support base;

[0008] A turntable is rotatably mounted above a support base and is used to place sheet metal parts to be processed.

[0009] The rotating shaft is fixedly installed at the center of the bottom surface of the turntable. Its bottom passes through the support base and extends to the bottom of the support base. An angle encoder is installed on the bottom surface of the rotating shaft.

[0010] The turbine is fixedly sleeved on the rotating shaft, and a worm gear is connected to one side of it.

[0011] The drive element is fixedly mounted on the support base, and its output shaft is connected to the worm gear to drive the worm gear to rotate.

[0012] Preferably, the driving element includes a motor and a reducer, wherein the output shaft of the motor is connected to the input end of the reducer, and the output end of the reducer is connected to a worm gear.

[0013] Preferably, the top surface of the support base is provided with multiple support rods, which are evenly arranged along the circumference of the support base. The bottom of the turntable is detachably equipped with a slewing bearing, and the multiple support rods abut against the slewing bearing.

[0014] Preferably, the bottom of the support base is detachably equipped with multiple mounting bases, which are evenly arranged along the circumference of the support base.

[0015] Preferably, a protective shell is detachably installed on the outside of the turbine and worm gear.

[0016] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0017] This invention employs a high-precision transmission structure of worm gear and turbine, combined with a drive element, to rotate the turntable on the support base. It is also equipped with an angle encoder for real-time detection. Compared with existing gear transmissions, this greatly improves the rotation control accuracy of the turntable, meeting the requirements for machining precision parts. Furthermore, the worm gear and turbine can achieve a self-locking function to prevent the turntable from deflecting and affecting the accuracy of the angle. Attached Figure Description

[0018] Figure 1 This is a top view of the structure of this utility model.

[0019] Figure 2 This is a schematic diagram of the operating structure of this utility model.

[0020] Figure 3 This is a schematic diagram of the structure of this utility model from a bottom view.

[0021] The attached figures are labeled as follows: 1. Support base; 2. Turntable; 3. Assembly base; 4. Drive element; 41. Motor; 42. Reducer; 5. Rotating shaft; 6. Turbine; 7. Worm gear; 8. Angle encoder; 9. Slewing bearing; 10. Support rod. Detailed Implementation

[0022] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby providing a clearer and more definite definition of the scope of protection of the present invention.

[0023] This utility model provides a turntable for sheet metal processing, such as Figure 1-3 As shown, it includes:

[0024] Support 1;

[0025] Turntable 2 is rotatably mounted above support base 1 and is used to place sheet metal parts to be processed;

[0026] The rotating shaft 5 is fixedly installed at the center of the bottom surface of the turntable 2. Its bottom passes through the support base 1 and extends to the bottom of the support base 1. An angle encoder 8 is installed on the bottom surface of the rotating shaft 5.

[0027] The turbine 6 is fixedly sleeved on the rotating shaft 5, and a worm gear 7 is connected to one side of it.

[0028] The drive element 4 is fixedly mounted on the support base 1, and its output shaft is connected to the worm gear 7 to drive the worm gear 7 to rotate.

[0029] The high-precision transmission structure of worm gear 6 and worm 7, together with the drive element 4, drives the turntable 2 to rotate on the support base 1. At the same time, an angle encoder 8 is configured for real-time detection. Compared with the existing gear transmission, the rotation control accuracy of the turntable 2 is greatly improved, which meets the requirements of precision parts processing. In addition, the worm gear 6 and worm 7 can realize the self-locking function to prevent the turntable 2 from deflecting and affecting the accuracy of the angle.

[0030] In this embodiment, the driving element 4 includes a motor 41 and a reducer 42. The output shaft of the motor 41 is connected to the input end of the reducer 42, and the output end of the reducer 42 is connected to the worm gear 7. By connecting the motor 41 to the reducer 42, the output end of the reducer 42 is made to rotate slowly, thereby driving the worm gear 7 to rotate slowly and improving the precision of angle adjustment.

[0031] In this embodiment, a plurality of support rods 10 are provided on the top surface of the support base 1. The plurality of support rods 10 are evenly arranged along the circumferential direction of the support base 1. A slewing bearing 9 is detachably installed on the bottom of the turntable 2, and the plurality of support rods 10 abut against the slewing bearing 9. The turntable 2 is rotatably mounted on the support base 1 by means of the support rods 10 and the slewing bearing 9, and a certain gap is provided between them for installing the turbine 6, the worm gear 7 and the drive element 4.

[0032] In this embodiment, a plurality of mounting bases 3 are detachably installed on the bottom of the support base 1. The plurality of mounting bases 3 are evenly arranged along the circumferential direction of the support base 1, and the turntable can be assembled onto the processing equipment through the plurality of mounting bases 3.

[0033] In this embodiment, a protective shell is detachably installed on the outside of the turbine 6 and the worm gear 7 to protect the turbine 6 and the worm gear 7 from the intrusion of external dust and impurities, and to prevent workers from accidentally touching them and getting injured.

[0034] Several points should be noted: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection" and "linkage" should be interpreted broadly, and can be mechanical or electrical connection, or internal connection between two components, or direct connection. "Up", "down", "left", "right", etc. are only used to indicate relative positional relationship. When the absolute position of the described object changes, the relative positional relationship may change.

[0035] The above description is only a preferred embodiment of the present utility model. The protection scope of the present utility model is not limited to the above embodiments. Any equivalent modifications or changes made by those skilled in the art based on the content disclosed in the present utility model should be included in the protection scope recorded in the claims.

Claims

1. A rotary table for processing sheet metal parts, characterized in that, include: Support base (1); Turntable (2) is rotatably mounted above support base (1) and is used to place sheet metal parts to be processed; A rotating shaft (5) is fixedly installed at the center of the bottom surface of the turntable (2). Its bottom passes through the support base (1) and extends to the bottom of the support base (1). An angle encoder (8) is installed on the bottom surface of the rotating shaft (5). The turbine (6) is fixedly sleeved on the rotating shaft (5), and a worm gear (7) is connected to one side of it; The drive element (4) is fixedly mounted on the support base (1), and its output shaft is connected to the worm (7) to drive the worm (7) to rotate.

2. The rotary table for sheet metal processing according to claim 1, characterized in that: The drive element (4) includes a motor (41) and a reducer (42), wherein the output shaft of the motor (41) is connected to the input end of the reducer (42), and the output end of the reducer (42) is connected to the worm (7).

3. The rotary table for sheet metal processing according to claim 1, characterized in that: The top surface of the support base (1) is provided with multiple support rods (10), which are evenly arranged along the circumferential direction of the support base (1). The bottom of the turntable (2) is detachably equipped with a slewing bearing (9), and the multiple support rods (10) abut against the slewing bearing (9).

4. The rotary table for sheet metal processing according to claim 1, characterized in that: The bottom of the support base (1) is detachably equipped with multiple mounting bases (3), which are evenly arranged along the circumference of the support base (1).

5. A rotary table for sheet metal processing according to claim 1, characterized in that: The turbine (6) and the worm gear are detachably fitted with protective shells on their outer sides.

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