Electric clamping and rotating device

Abstract

The utility model discloses an electric clamping and rotating device which comprises a mechanical chuck, a rotating shaft, a rotating shaft, a rotating shaft, a rotating shaft, a rotating shaft and a driving device. The mechanical chuck comprises a shell, an annular tooth plate and three clamping jaw bases, and the clamping jaw bases are meshed with the annular tooth plate; the three clamping jaws are detachably fixed on the three clamping jaw bases respectively; the clamping control assembly comprises a rotating shaft, a first servo motor and a first transmission unit, one end of the rotating shaft is connected with the annular tooth plate, and the other end of the rotating shaft is connected with the first servo motor through the first transmission unit; and the rotation driving assembly comprises a sleeve, a second servo motor and a second transmission unit, the sleeve is arranged on the outer side of the rotating shaft in a sleeving mode through a bearing, one end of the sleeve is connected with the shell, and the other end of the sleeve is connected with the second servo motor through the second transmission unit. The three clamping jaws and the mechanical chuck are used for clamping a cylindrical part, and the size of the clamping space and the size of the clamping force can be adjusted through the clamping control assembly so as to find a proper clamping center.

Description

TECHNICAL FIELD

[0001] The utility model relates to part clamping equipment technical field, concretely relates to a kind of electric clamping rotary devices. BACKGROUND

[0002] In some mechanical processing production, the inner wall of some cylindrical parts needs to be coated with glue, and then other related parts are assembled;Or the outer wall and / or inner wall of some cylindrical parts needs to be polished, so that the inner diameter of the cylindrical part is increased or the outer diameter is reduced, or the rust on the inner wall and outer wall of the cylindrical part is removed, to meet the conditions of use.

[0003] Whether it is to coat glue or polish the cylindrical part, clamping equipment is needed to clamp and drive the cylindrical part to rotate. The common cylindrical part processing device generally has the following problems: 1. The fixing and positioning of the cylindrical part is not accurate, and the cylindrical part is easy to rotate eccentrically during coating or polishing. 2. The size of the cylindrical part is various, and the size of the cylindrical part that can be processed by the common cylindrical part processing device is fixed, and the scope of application is small. SUMMARY

[0004] To solve at least one technical problem of the prior art, the utility model provides an electric clamping rotary device.

[0005] To achieve the above utility model purposes, the utility model adopts the technical scheme: an electric clamping rotary device, comprising: a mechanical chuck, including a housing, an annular jaw plate rotatably arranged in the housing, and three jaw base engaged with the annular jaw plate, the jaw base is slidably arranged in the housing;

[0006] Three clamping jaws constitute a clamping space for clamping a cylindrical part, and the three clamping jaws are detachably fixed on the three jaw bases respectively.

[0007] A clamping control assembly, comprising a rotating shaft, a first servo motor and a first transmission unit, one end of the rotating shaft is connected with the annular jaw plate, and the other end is connected with the first servo motor through the first transmission unit.

[0008] And a rotary drive assembly, comprising a sleeve, a second servo motor and a second transmission unit, the sleeve is sleeved on the outside of the rotating shaft through a bearing, one end of the sleeve is connected with the housing, and the other end is connected with the second servo motor through the second transmission unit.

[0009] In some embodiments, the top of the annular jaw plate is provided with a spiral slide, and the bottom of the jaw base is provided with a plurality of arc-shaped sliding grooves, which are engaged with the spiral slide.

[0010] In some embodiments, the shell comprises a mounting seat and a cover connected with the mounting seat, the mounting seat and the cover form a mounting cavity, and the annular tooth plate is rotatably arranged in the mounting cavity.

[0011] The cover is provided with three grooves which are mutually 120°, the lower end of the groove is communicated with the mounting cavity, and the clamping jaw base is slidably arranged in the groove.

[0012] In some embodiments, the annular tooth plate is provided with a first shaft hole.

[0013] The mounting seat is provided with a second shaft hole communicated with the mounting cavity, and the rotating shaft is movably arranged in the second shaft hole and fixedly arranged in the first shaft hole.

[0014] In some embodiments, one end of the sleeve is connected with a flange, and the flange is detachably connected with the shell through screws.

[0015] In some embodiments, the first transmission unit comprises a first driving wheel, a first driven wheel and a first synchronous belt, the first driving wheel is fixed on the first servo motor, the first driven wheel is fixed on the rotating shaft, and the first synchronous belt is connected between the first driving wheel and the first driven wheel.

[0016] In some embodiments, the first transmission unit comprises a shaft coupling, the shaft coupling connects the output shaft of the first servo motor and the rotating shaft.

[0017] In some embodiments, the second transmission unit comprises a driving gear and a driven gear, the driving gear is fixed on the output shaft of the second servo motor, the driven gear is fixed on the sleeve, and the driving gear is engaged with the driven gear.

[0018] In some embodiments, the clamping jaw comprises oppositely arranged connecting blocks and limiting blocks, and a side connecting block connecting corresponding edges of the connecting blocks and the limiting blocks, the connecting block is connected with the mechanical chuck through a pin, the inner side surface of the limiting block is a limiting surface, and the limiting surface is a circular arc.

[0019] In some embodiments, the electric clamping and rotating device further comprises a support seat, the top of the support seat is provided with a support channel, and the sleeve is arranged in the support channel through a bearing.

[0020] Thanks to the above technical scheme, the present application has the following advantages compared with the prior art:

[0021] The utility model discloses a three clamping jaws and mechanical chuck are clamped to cylindrical part, through the clamping control subassembly can adjust the size of three clamping jaws's clamping space and the size of clamping force, to find the suitable clamping center, make cylindrical part not eccentric rotation when gluing or polishing, can also make electric clamping rotating device can be applicable to different diameter's cylindrical part. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 The assembly of the electric clamping rotating device of the utility model Figure 1 ;

[0023] Figure 2 The assembly of the electric clamping rotating device of the utility model Figure 2 ;

[0024] Figure 3 The exploded view of the mechanical chuck of the utility model omits part of components;

[0025] Figure 4 It is the perspective view of the clamping jaw of the utility model. DETAILED DESCRIPTION

[0026] In order to make the personnel in the technical field better understand the present application scheme, the technical scheme in the present application embodiment will be clearly and completely described below in conjunction with the drawings in the present application embodiment, obviously, the described embodiment is only a part of the embodiment of the present application, and is not all the embodiment. Based on the embodiment in the present application, all other embodiments obtained by the person skilled in the art without creative labor should belong to the scope of protection of the present application.

[0027] It should be noted that the terms "first", "second" and the like in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and do not necessarily have to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, the process, method, system, product or equipment including a series of steps or units does not have to be limited to those steps or units clearly listed, but can include other steps or units not clearly listed or inherent to these processes, methods, products or equipment.

[0028] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "transverse", "longitudinal" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not intended to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0029] In addition, in addition to indicating the orientation or positional relationship, the above-mentioned terms may also be used to indicate other meanings, for example, the term "upper" may also be used to indicate a certain dependent relationship or connection relationship in some cases. For those skilled in the art, the specific meaning of these terms in the present application can be understood according to the specific circumstances.

[0030] In addition, the terms "mounting", "setting", "provided with", "connecting", "connecting", "sleeving" should be broadly understood. For example, it can be fixedly connected, detachably connected, or integrally constructed; it can be mechanically connected or electrically connected; it can be directly connected, or indirectly connected through an intermediate medium, or internal communication between two devices, elements or components. For those skilled in the art, the specific meaning of the above-mentioned terms in the present application can be understood according to the specific circumstances.

[0031] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in conjunction with the embodiments.

[0032] Referring to Figure 1 and Figure 2 The utility model provides a kind of electric clamping rotary device, including mechanical chuck 1, three clamping jaws 2, clamping control component and rotary drive component, wherein clamping control component and rotary drive component are connected with mechanical chuck 1 respectively, clamping control component includes rotating shaft 31, first servo motor 32 and first transmission unit 33, rotary drive component includes sleeve 41, second servo motor and second transmission unit 42, sleeve 41 is sleeved on the outside of rotating shaft 31 by bearing.

[0033] Referring to Figure 3The mechanical chuck 1 comprises a housing, an annular jaw plate 13 rotatably arranged in the housing, and three jaw base 12 engaged with the annular jaw plate 13, the three jaw base 12 are slidably arranged in the housing, three clamping jaws 2 are respectively detachably fixed on the three jaw base 12, and the three clamping jaws 2 form a clamping space for clamping a cylindrical part. The annular jaw plate 13 is connected with a rotating shaft 31 of a clamping control assembly and is driven to rotate by the clamping control assembly. When the annular jaw plate 13 rotates, the three clamping jaws 2 can be brought together or away from each other to adjust the size of the clamping space and the size of the clamping force, so as to find the clamping center of the cylindrical part.

[0034] In some embodiments, the top of the annular jaw plate 13 is provided with a spiral sliding seat 130, and the bottom of the jaw base 12 is provided with a plurality of arc-shaped sliding grooves 120 engaged with the spiral sliding seat 130.

[0035] In some embodiments, the housing comprises a mounting seat 10 and a cover 11 connected with the mounting seat 10, the mounting seat 10 and the cover 11 form a mounting cavity 100, and the annular jaw plate 13 is rotatably arranged in the mounting cavity 100; the cover 11 is provided with three sliding grooves 110 which are 120° apart, the lower ends of the sliding grooves 110 are communicated with the mounting cavity 100, and the jaw base 12 is slidably arranged in the sliding grooves 110.

[0036] In some embodiments, the annular jaw plate 13 is provided with a first shaft hole, the mounting seat 10 is provided with a second shaft hole communicated with the mounting cavity 100, and the rotating shaft 31 is movably arranged in the second shaft hole and fixedly arranged in the first shaft hole.

[0037] Referring to Figure 4 In some embodiments, the clamping jaw comprises oppositely arranged connecting blocks 21 and limiting blocks 22, and side connecting blocks 23 connecting corresponding sides of the connecting blocks 21 and the limiting blocks 22, the connecting blocks 21 are connected with the mechanical chuck 1 through pins, the inner side surface of the limiting block 22 is a limiting surface 220, and the limiting surface 220 is arc-shaped.

[0038] Further, the clamping jaw is further provided with an elastic sheet fixed on the limiting surface 220, and the elastic sheet can prevent the clamping jaw 2 from damaging the outer surface of the cylindrical part during clamping.

[0039] In some embodiments, the first transmission unit 33 comprises a first driving wheel 331, a first driven wheel 332, and a first synchronous belt 333, the first driving wheel 331 is fixed on the first servo motor 32, the first driven wheel 332 is fixed on the rotating shaft 31, the first synchronous belt 333 is connected between the first driving wheel 331 and the first driven wheel 332, the first servo motor 32 drives the rotating shaft 31 to rotate through the first driving wheel 331, the first driven wheel 332, and the first synchronous belt 333, so as to drive the annular jaw plate 13 to rotate around the rotating shaft 31.

[0040] In some embodiments, the first transmission unit 33 comprises a coupling connecting the output shaft of the first servo motor 32 and the rotating shaft 31, the first servo motor 32 drives the rotating shaft 31 to rotate through the coupling, thereby driving the annular toothed plate 13 to rotate around the rotating shaft 31.

[0041] Further, the clamping control assembly further comprises a speed reducer 34 connected between the first servo motor 32 and the transmission unit 33.

[0042] In some embodiments, one end of the sleeve 41 is connected with a flange, the flange is detachably connected with the housing through screws, and the other end of the sleeve 41 is connected with the second transmission unit 42.

[0043] In some embodiments, the second transmission unit 42 comprises a driving gear and a driven gear, the driving gear is fixed on the output shaft of the second servo motor, the driven gear is fixed on the sleeve 41, the driving gear is engaged with the driven gear, and the second servo motor drives the sleeve 41 to rotate through the driving gear and the driven gear, thereby rotating the mechanical chuck 1 to complete the gluing or polishing of the inner wall and / or the outer wall of the cylindrical part.

[0044] In some embodiments, the second transmission unit 42 comprises a second driving wheel, a second driven wheel and a second synchronous belt, the second driving wheel is fixed on the output shaft of the second servo motor, the second driven wheel is fixed on the sleeve, and the second synchronous belt connects the second driving wheel and the second driven wheel.

[0045] In some embodiments, the electric clamping and rotating device further comprises a support base 5, the top of the support base 5 is provided with a support channel, the sleeve 41 is arranged in the support channel through bearings, and the first servo motor 32 and the second servo motor are both fixed on the support base 5.

[0046] The above description of the disclosed embodiments enables a person skilled in the art to implement or use the present application. Various modifications to the above-described embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the above-described embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An electrically powered clamping rotary device, characterized in that The utility model relates to a kind of electric chucking rotary devices, including: Mechanical chuck (1), including shell, annular jaw plate (13) rotatably configured in the shell and three jaw base (12) engaged with the annular jaw plate (13), the jaw base (12) is slidably configured in the shell; Three jaws (2), constitute a chucking space of chucking cylindrical part, three jaw base (12) is detachably fixed on the jaw (2) of three described respectively; Chucking control assembly, including rotating shaft (31), first servo motor (32) and first transmission unit (33), one end of the rotating shaft (31) is connected with the annular jaw plate (13), and the other end is connected with the first servo motor (32) by the first transmission unit (33);And Rotary drive assembly, including sleeve (41), second servo motor and second transmission unit (42), the sleeve (41) is sleeved on the outside of the rotating shaft (31) by bearing, one end of the sleeve (41) is connected with the shell, and the other end is connected with the second servo motor by second transmission unit (42).

2. The electric chucking rotary device of claim 1, wherein: A top of the annular jaw plate (13) is provided with a spiral slide (130), and a bottom of the jaw base (12) is provided with a plurality of arc-shaped sliding grooves (120), and the arc-shaped sliding grooves (120) are engaged with the spiral slide (130).

3. The electric chucking rotary device of claim 1, wherein: The shell includes a mounting seat (10) and a cover (11) connected with the mounting seat (10), and the mounting seat (10) and the cover (11) form a mounting cavity (100), and the annular jaw plate (13) is rotatably arranged in the mounting cavity (100); The cover (11) is provided with three sliding grooves (110) which are 120 degrees apart from each other, the lower ends of the sliding grooves (110) are communicated with the mounting cavity (100), and the jaw base (12) is slidably arranged in the sliding grooves (110).

4. The electric chucking rotary device of claim 3, wherein: The annular jaw plate (13) is provided with a first shaft hole; The mounting seat (10) is provided with a second shaft hole communicated with the mounting cavity (100), and the rotating shaft (31) is movably arranged in the first shaft hole after passing through the second shaft hole.

5. The electric chucking rotary device of claim 1, wherein: One end of the sleeve (41) is connected with a flange, and the flange is detachably connected with the shell by screws.

6. The electric chucking rotary device of claim 1, wherein: The first transmission unit (33) includes a first driving wheel (331), a first driven wheel (332) and a first synchronous belt (333), the first driving wheel (331) is fixed on the first servo motor (32), the first driven wheel (332) is fixed on the rotating shaft (31), and the first synchronous belt (333) is connected between the first driving wheel (331) and the first driven wheel (332).

7. The electric clamping and rotating device according to claim 1, wherein the first transmission unit (33) comprises a shaft coupling connecting the output shaft of the first servo motor (32) and the rotating shaft (31).

8. The electric clamping and rotating device according to claim 1, wherein the second transmission unit (42) comprises a driving gear and a driven gear, the driving gear is fixed on the output shaft of the second servo motor, the driven gear is fixed on the sleeve (41), and the driving gear is engaged with the driven gear.

9. The electric clamping and rotating device according to any one of claims 1 to 8, wherein the clamping jaw comprises oppositely arranged connecting blocks (21) and limiting blocks (22), and side connecting blocks (23) connecting corresponding edges of the connecting blocks (21) and the limiting blocks (22), the connecting blocks (21) are connected with the mechanical chuck (1) through pins, the inner side of the limiting blocks (22) is a limiting surface (220), and the limiting surface (220) is a circular arc.

10. The electric clamping and rotating device according to any one of claims 1 to 8, further comprising a support seat (5), the top of the support seat (5) is provided with a support channel, and the sleeve (41) is arranged in the support channel through a bearing. ​ ​ ​ ​

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