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 unit 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; the rotary driving unit comprises a sleeve, a second servo motor and a second transmission unit, the sleeve is arranged on the outer side of the rotary 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. A cylindrical part is clamped through the three clamping jaws and the mechanical chuck, and the size of the clamping space and the size of the clamping force can be adjusted through the clamping control unit so as to find a proper clamping center.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of spare part clamping equipment, and specifically relates to an electric clamping rotating device. 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 the 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 the outer wall of the cylindrical part is removed, so as to meet the use conditions.

[0003] Whether it is coating or polishing the cylindrical part, the clamping device is needed to clamp and drive the cylindrical part to rotate. The common cylindrical part processing device 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, so 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 rotating device.

[0005] To achieve the above utility model purposes, the utility model adopts the technical scheme: an electric clamping rotating device, two sliding rails, two sliding rails are arranged in parallel and are spaced apart;

[0006] Two clamping and rotating assemblies are slidingly arranged on the two sliding rails, the clamping and rotating assembly comprises a mechanical chuck, three clamping jaws which are detachably fixed on the mechanical chuck and form a clamping space for clamping the cylindrical part, a clamping control unit which drives the three clamping jaws to open or tighten to adjust the size of the clamping space, and a rotating drive unit which drives the mechanical chuck to rotate, and the clamping jaws of the two clamping and rotating assemblies are arranged oppositely;

[0007] And a sliding drive assembly is connected with at least one clamping and rotating assembly to drive the two clamping and rotating assemblies to move closer to each other or away from each other.

[0008] Further, the mechanical chuck comprises a housing, an annular toothed plate rotatably arranged in the housing, and three clamping jaw bases engaged with the annular toothed plate, the clamping jaw bases are slidingly arranged in the housing, the top of the annular toothed plate is provided with a spiral slide seat, and the bottom of the clamping jaw base is provided with a plurality of arc-shaped sliding grooves, the arc-shaped sliding grooves are engaged with the spiral slide seat.

[0009] Further, 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.

[0010] The cover is provided with three grooves which are 120 degrees apart, the lower end of the groove is communicated with the mounting cavity, and the clamping jaw base is slidably arranged in the groove.

[0011] Further, the clamping control unit 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 is connected with the first servo motor through the first transmission unit.

[0012] Further, 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] Further, the rotating drive unit comprises 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 shell, and the other end is connected with the second servo motor through the second transmission unit, one end of the sleeve is connected with a flange, and the flange is detachably connected with the shell through a screw.

[0015] Further, 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] Further, 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.

[0017] Further, 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 blocks are connected with the mechanical chuck through pins, the inner side surface of the limiting block is a limiting surface, and the limiting surface is a circular arc.

[0018] Further, the electric clamping and rotating device further comprises a support seat, the top of the support seat is provided with a support channel, the sleeve is arranged in the support channel through a bearing, the support seat is connected with the two sliding rails through a sliding block, and the support seat is connected with the sliding drive assembly.

[0019] By means of the technical scheme, the utility model discloses the following advantages compared with the prior art:

[0020] The utility model discloses two clamping rotary assemblies clamping the both ends of the cylindrical part, and the clamping of the cylindrical part is more stable, and the two clamping rotary assemblies are composed of three clamping claws, a mechanical chuck, a clamping control unit and a rotary drive unit, the size of the clamping space and the size of the clamping force of the three clamping claws are adjusted through the clamping control unit drive mechanical chuck, to find the suitable clamping center, so that the cylindrical part does not eccentric rotation when gluing or polishing. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the whole connection schematic drawing of the electric clamping rotary device of the utility model;

[0022] Figure 2 It is the assembly of the clamping rotary assembly of the utility model Figure 1 ;

[0023] Figure 3 It is the assembly of the clamping rotary assembly of the utility model Figure 2 ;

[0024] Figure 4 It is the explosion view of the mechanical chuck of the utility model and omits part of components;

[0025] Figure 5 It is the perspective view of the clamping claw of the utility model. DETAILED DESCRIPTION

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

[0027] It should be noted that the terms "first", "second" and the like in the specification and claims of the application and the above-described drawings are used to distinguish similar objects, and do not have to be used to describe a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the application described herein can be implemented. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device 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 the process, method, product or device.

[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 utility model and its embodiments, and are not used 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 being used to indicate 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 utility model can be understood according to the specific situation.

[0030] In addition, the terms "mounting", "setting", "provided with", "connection", "connected", "sleeved" should be understood broadly. 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 utility model can be understood according to the specific situation.

[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 The utility model provides a kind of electric clamping rotary device, including two sliding tracks B, two clamping rotary components A and at least one sliding drive component, two sliding tracks B are parallel and are arranged at an interval on a horizontal plane, two clamping rotary components A are slidably configured on two sliding tracks B, and sliding drive component is connected with at least one clamping rotary component A.

[0033] Referring to Figure 2 And Figure 3 Clamping rotary component A includes chuck 1, three clamping jaws 2, clamping control unit and rotary drive unit, wherein clamping control unit and rotary drive unit are connected with chuck 1 respectively, clamping control unit includes rotating shaft 31, first servo motor 32 and first transmission unit 33, rotary drive unit includes sleeve 41, second servo motor and second transmission unit 42, and sleeve 41 is sleeved on the outside of rotating shaft 31 by bearing.

[0034] Referring to Figure 4The 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 unit and is driven by the clamping control unit to rotate, 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.

[0035] 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.

[0036] 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 end of the sliding groove 110 is communicated with the mounting cavity 100, and the jaw base 12 is slidably arranged in the sliding groove 110.

[0037] 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 first shaft hole after passing through the second shaft hole.

[0038] Referring to Figure 5 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 a circular arc.

[0039] Further, the clamping jaw is further provided with an elastic sheet 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.

[0040] 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.

[0041] In some embodiments, the first transmission unit 33 comprises a coupling shaft connecting the output shaft of the first servo motor 32 and the rotating shaft 31, and the first servo motor 32 drives the rotating shaft 31 to rotate through the coupling shaft, thereby driving the annular toothed plate 13 to rotate around the rotating shaft 31.

[0042] Further, the clamping control unit further comprises a speed reducer 34 connected between the first servo motor 32 and the transmission unit 33.

[0043] In some embodiments, one end of the sleeve 41 is connected with a flange, and the flange is detachably connected with the shell through screws, and the other end of the sleeve 41 is connected with the second transmission unit 42.

[0044] 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.

[0045] 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.

[0046] 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, the first servo motor 32 and the second servo motor are both fixed on the support base 5, and the bottom of the support base 5 is fixed with at least two sliding blocks, and the sliding blocks are slidably connected with the sliding rails B.

[0047] In some embodiments, the sliding drive assembly is used to drive the two clamping and rotating assemblies A to move close to or away from each other, so that the electric clamping and rotating device can be suitable for cylindrical parts of different lengths. The sliding drive assembly can be an electric cylinder, which is arranged parallel to the two sliding rails B, and the telescopic rod of the electric cylinder is fixedly connected with the support base 5.

[0048] The above description of disclosed embodiments enables one of ordinary skill in the art to make or use the application. Various modifications to the above described embodiments will be readily apparent to those of ordinary skill in the art and the generic principles defined herein can be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An electric clamping and rotating device, characterized in that, include: Two sliding tracks (B) are arranged in parallel and spaced apart; Two clamping rotating assemblies (A) are slidably configured on two sliding tracks (B). Each clamping rotating assembly (A) includes a mechanical chuck (1), three jaws (2) detachably fixed to the mechanical chuck (1) and forming a clamping space for clamping cylindrical parts, a clamping control unit that drives the three jaws (2) to open or close to adjust the size of the clamping space, and a rotation drive unit that drives the mechanical chuck (1) to rotate. The jaws (2) of the two clamping rotating assemblies (A) are arranged opposite to each other. A sliding drive assembly, which is connected to at least one of the clamping rotating assemblies (A) to drive the two clamping rotating assemblies (A) to move closer to each other or further away from each other.

2. The electric clamping and rotating device as described in claim 1, characterized in that, The mechanical chuck (1) includes a housing, an annular toothed plate (13) rotatably disposed within the housing, and three jaw bases (12) that mesh with the annular toothed plate (13). The jaw bases (12) are slidably disposed within the housing. A spiral slide (130) is provided on the top of the annular toothed plate (13), and multiple arc-shaped grooves (120) are provided on the bottom of the jaw bases (12). The arc-shaped grooves (120) mesh with the spiral slides (130).

3. The electric clamping and rotating device as described in claim 2, characterized in that, The housing includes a mounting base (10) and a cover (11) connected to the mounting base (10), the mounting base (10) and the cover (11) forming a mounting cavity (100), and the annular toothed plate (13) is rotatably disposed in the mounting cavity (100); The cover (11) is provided with three sliding grooves (110) that are 120° apart. The lower end of the sliding groove (110) is connected to the mounting cavity (100). The gripper base (12) is slidably disposed in the sliding groove (110).

4. The electric clamping and rotating device as described in claim 3, characterized in that, The clamping control unit includes a rotating shaft (31), a first servo motor (32) and a first transmission unit (33). One end of the rotating shaft (31) is connected to the annular toothed plate (13), and the other end is connected to the first servo motor (32) through the first transmission unit (33).

5. The electric clamping and rotating device as described in claim 4, characterized in that, The annular toothed plate (13) is provided with a first shaft hole; The mounting base (10) is provided with a second shaft hole that communicates with the mounting cavity (100), and the rotating shaft (31) is fixedly disposed in the first shaft hole after passing through the second shaft hole.

6. The electric clamping and rotating device as described in claim 4, characterized in that, The rotary drive unit includes a sleeve (41), a second servo motor, and a second transmission unit (42). The sleeve (41) is sleeved on the outside of the rotating shaft (31) through a bearing. One end of the sleeve (41) is connected to the housing, and the other end is connected to the second servo motor through the second transmission unit (42). One end of the sleeve (41) is connected to a flange, and the flange is detachably connected to the housing by screws.

7. The electric clamping and rotating device as described in claim 6, characterized in that, 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 to 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 to the first driving wheel (331) and the first driven wheel (332).

8. The electric clamping and rotating device as described in claim 7, characterized in that, The second transmission unit (42) includes a driving gear and a driven gear. The driving gear is fixed on the output shaft of the second servo motor, and the driven gear is fixed on the sleeve (41). The driving gear meshes with the driven gear.

9. The electric clamping and rotating device according to any one of claims 1 to 8, characterized in that, The gripper includes a connecting block (21) and a limiting block (22) arranged opposite to each other, and a side connecting block (23) connecting the corresponding sides of the connecting block (21) and the limiting block (22). The connecting block (21) is connected to the mechanical chuck (1) by a pin. The inner surface of the limiting block (22) is a limiting surface (220), which is arc-shaped.

10. The electric clamping and rotating device according to any one of claims 6 to 8, characterized in that, The electric clamping and rotating device also includes a support base (5), the top of which is provided with a support channel. The sleeve (41) is configured in the support channel by a bearing. The support base (5) is connected to the two sliding rails (B) by a slider and the support base (5) is connected to the sliding drive assembly.

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