CN220612803U - Clamping device - Google Patents

Abstract

The utility model discloses a clamping device, which comprises a rotating base, a supporting mechanism, a clamping mechanism, a rotating mechanism and a driving mechanism, wherein the rotating base is provided with a plurality of clamping grooves; the supporting mechanism is arranged on the rotating base; the clamping mechanism comprises a plurality of clamping assemblies, the clamping assemblies are movably mounted on the supporting mechanism, the clamping assemblies are distributed at intervals along the circumferential direction of the rotating base, and the clamping assemblies are used for jointly clamping or jointly releasing a to-be-clamped piece; the rotating mechanism is rotatably mounted on the supporting mechanism, the driving mechanism is mounted on the rotating base and connected with the rotating mechanism, the driving mechanism is used for driving the rotating mechanism to rotate along the circumferential direction of the rotating base, the clamping assemblies are in transmission fit with the rotating mechanism, and the rotating mechanism is used for driving the clamping assemblies to clamp synchronously and centrally or synchronously release the clamping pieces to be clamped when rotating. Through the arrangement, the problems that the suitability of the existing clamp for clamping batteries with various sizes is low and the centering degree of the batteries is poor are effectively solved.

Description

Clamping device

Technical Field

The utility model relates to the technical field of clamps, in particular to a clamping device.

Background

In the production and manufacturing process, a process of clamping a product to be processed is generally involved, for example, in the battery manufacturing process, a welding process of a top cover and a battery main body is critical, the welding quality directly affects the air tightness and the safety of the battery, and in order to ensure the production quality, the battery needs to be clamped and fixed by a clamp before the top cover of the battery is pre-welded and fully welded.

Because the variety of battery is various, the size of each battery is different, and current anchor clamps can not carry out centering centre gripping fixed to the battery that has the size deviation better, can't satisfy the demand of the battery of centre gripping multiple size, have the lower problem of suitability of the battery of centre gripping all kinds of sizes, and the centering degree of battery is relatively poor moreover, has influenced welding process's quality.

Disclosure of Invention

The utility model mainly provides a clamping device to solve the problems of low suitability for clamping batteries with various sizes and poor centering degree of the batteries by using the existing clamp.

In order to achieve the above object, the present utility model provides a clamping device, which includes a rotating base, a supporting mechanism, a clamping mechanism, a rotating mechanism, and a driving mechanism; wherein,

the supporting mechanism is arranged on the rotating base;

the clamping mechanism comprises a plurality of clamping assemblies, the clamping assemblies are movably mounted on the supporting mechanism, the clamping assemblies are distributed at intervals along the circumferential direction of the rotating base, and the clamping assemblies are used for jointly clamping or jointly releasing a to-be-clamped piece;

the rotating mechanism is rotatably mounted on the supporting mechanism, the driving mechanism is mounted on the rotating base, the driving mechanism is connected with the rotating mechanism and used for driving the rotating mechanism to rotate along the circumferential direction of the rotating base, the clamping assemblies are in transmission fit with the rotating mechanism, and the rotating mechanism is used for driving the clamping assemblies to synchronously clamp in the middle or synchronously release the clamping pieces to be clamped when rotating.

In some embodiments of the present utility model, the rotating mechanism includes a driving member and a rotating assembly, the rotating assembly is mounted on the supporting mechanism, the rotating assembly is further connected with the driving mechanism, the rotating assembly is used for mounting the driving member, and the plurality of clamping assemblies are in transmission fit with the driving member;

the driving piece is provided with a compressing state and a releasing state, the clamping components clamp the to-be-clamped piece together when the driving piece is in the compressing state, the clamping components release the to-be-clamped piece together when the driving piece is in the releasing state, and the driving mechanism drives the driving piece to be switched from the compressing state to the releasing state or from the releasing state to the compressing state through the rotating component.

In some embodiments of the present utility model, the driving member is disposed in a ring shape, and the driving member has an inner driving side, where the inner driving side is provided with a plurality of driving portions, the plurality of driving portions are sequentially distributed along a circumferential direction of the driving member, and the plurality of driving portions are in transmission fit with the plurality of clamping assemblies in a one-to-one correspondence manner.

In some embodiments of the present utility model, the driving part includes a compressing section, a transition section, and an unlocking section, where the compressing section, the transition section, and the unlocking section are sequentially distributed and sequentially connected along a circumferential direction of the driving part;

the pressing section is in transmission fit with the corresponding clamping assembly and used for driving the corresponding clamping assembly to clamp the to-be-clamped piece, the unlocking section is in transmission fit with the corresponding clamping assembly and used for driving the corresponding clamping assembly to release the to-be-clamped piece, and the transition section is used for enabling the corresponding clamping assembly to transition from the pressing state to the releasing state or from the releasing state to the pressing state.

In some embodiments of the utility model, the clamping mechanism further comprises a press-fitting member mounted to the support mechanism, the press-fitting member being provided with a mounting opening through which the clip member to be clamped passes;

the clamping components are movably connected to the press fitting piece, clamping portions corresponding to the clamping components are arranged at the mounting opening, and the clamping portions corresponding to the clamping components are distributed at intervals along the circumferential direction of the mounting opening.

In some embodiments of the present utility model, an annular protrusion is disposed on a side of the press-fitting member facing the supporting mechanism, the annular protrusion is disposed around an edge of the mounting opening, a plurality of mounting holes penetrate through a sidewall of the annular protrusion, the plurality of mounting holes are distributed at intervals along an annular direction of the annular protrusion, and the plurality of mounting holes are all communicated with the mounting opening;

the clamping assembly comprises a clamping piece and a pushing piece, wherein the clamping piece is arranged in the mounting opening, one side, deviating from the side wall of the mounting opening, of the clamping piece is provided with the clamping part, the pushing piece is movably arranged in a corresponding mounting hole, one end of the pushing piece is connected to the clamping piece, the other end of the pushing piece is in transmission fit with the rotating mechanism, and the pushing piece is used for pushing the clamping piece to move under the action of the rotating mechanism.

In some embodiments of the present utility model, the clamping assembly further includes a reset member, an abutment portion is disposed on an outer portion of the pushing member, a stop portion is disposed on a hole wall of the mounting hole, the reset member is sleeved on an outer portion of the pushing member, one end of the reset member abuts against the abutment portion, the other end of the reset member abuts against the stop portion, and the reset member is used for driving the pushing member to reset so as to drive the clamping member to reset.

In some embodiments of the present utility model, the clamping assembly further includes an elastic member and a rolling member, wherein a mounting groove is formed at one end of the pushing member facing the rotating mechanism, the elastic member is disposed in the mounting groove, the rolling member is movably disposed at a notch of the mounting groove, one end of the elastic member is abutted against a bottom of the mounting groove, and the other end of the elastic member is abutted against the rolling member;

the rotating mechanism comprises a driving piece rotationally arranged on the supporting mechanism, the driving piece is in an annular arrangement, the driving piece is provided with an inner driving side, the rolling piece is in transmission fit with the inner driving side, the rolling piece is used for converting circumferential motion of the driving piece into translational motion, the pushing piece moves under the action of the rolling piece and drives the clamping piece to move, and the clamping piece elastically clamps the clamping piece to be clamped under the action of the elastic piece.

In some embodiments of the present utility model, a guiding notch is arranged at one end of the pushing member, which is close to the driving member, the guiding notch is communicated with the mounting groove, the inner driving side extends into the guiding notch, and the inner driving side is in guiding fit with the guiding notch;

the groove wall of the mounting groove is provided with a guide part, and the guide part is used for guiding the rolling element to move along the direction limited by the mounting groove.

In some embodiments of the present utility model, the press-fitting member is provided with a plurality of guide holes, the plurality of guide holes are distributed at intervals along the circumferential direction of the press-fitting member, and the plurality of guide holes are all communicated with the mounting port;

the clamping assembly further comprises a guide piece, the guide piece is arranged in the corresponding guide hole and is in guide fit with the corresponding guide hole, one end of the guide piece is connected with one end of the pushing piece, which is close to the clamping piece, and the guide piece is used for guiding the pushing piece to move.

The beneficial effects of the utility model are as follows: compared with the prior art, the clamping device disclosed by the utility model drives the rotating mechanism to circumferentially rotate through the driving mechanism, so that the rotating mechanism synchronously drives the clamping assemblies to move along respective moving directions in the circumferential movement process, namely, the circumferential movement of the rotating mechanism is converted into translational movement of the clamping assemblies, so that the clamping assemblies can synchronously clamp the to-be-clamped piece in a centered manner, the clamping assemblies are distributed at intervals along the circumferential direction of the rotating base, the requirements of clamping the to-be-clamped piece in various sizes can be met under the combined action of the clamping assemblies, and the clamping device is adapted to batteries in various specifications and various sizes, so that the adaptability of the clamping device can be improved, the clamping effect of the clamping device can be improved, and the consistency of clamping the to-be-clamped piece can be well ensured under the synchronous movement of the clamping assemblies, so that the centering degree of the to-be-clamped piece is improved, and the to-be-clamped piece can be conveniently processed, so that the production and processing quality is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of an embodiment of a clamping device according to the present utility model;

FIG. 2 is a schematic view of a cut-away structure of an embodiment of the clamping device of the present utility model;

FIG. 3 is an enlarged partial schematic view of FIG. 2A;

FIG. 4 is a schematic view of an exploded view of an embodiment of the clamping device of the present utility model;

FIG. 5 is a schematic view of an embodiment of a pusher member according to the present utility model;

FIG. 6 is a schematic view of a press-fitting structure according to an embodiment of the present utility model;

FIG. 7 is a schematic view of a clamping assembly and press-fitting structure according to an embodiment of the present utility model

FIG. 8 is a schematic view of a clamping assembly and a driving member according to an embodiment of the present utility model in a compressed state;

FIG. 9 is a schematic plan view of a clamping assembly and a driving member according to an embodiment of the present utility model in a compressed state;

FIG. 10 is a schematic view of a clamping assembly and a driving member according to an embodiment of the present utility model in a released state;

FIG. 11 is a schematic plan view of a clamping assembly and driving member according to an embodiment of the present utility model in a released state.

Reference numerals illustrate:

10. a clamping device; 1. rotating the base; 11. avoidance holes; 2. a support mechanism; 21. a support plate; 22. a support column; 23. a first press-holding member; 24. a second press-holding member; 3. a clamping mechanism; 31. a clamping assembly; 311. a clamping member; 3111. a clamping part; 312. a pushing member; 3121. a mounting part; 3122. a pushing part; 3123. an abutting portion; 3124. a mounting groove; 3125. a guide notch; 3126. a guide part; 313. a reset member; 314. an elastic member; 315. a rolling member; 316. a baffle; 32. a press-fitting member; 321. a mounting port; 322. a connecting column; 323. an annular convex portion; 3231. a mounting hole; 3232. a stop portion; 324. a guide hole; 33. a guide member; 34. a guide seat; 4. a rotating mechanism; 41. a driving member; 411. an inner driving side; 412. a driving section; 4121. a compacting section; 4122. a transition section; 4123. unlocking the section; 42. a rotating assembly; 421. a rolling bearing; 422. a mounting plate; 4221. a convex ring; 423. an external gear; 5. a driving mechanism; 51. a servo motor.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The present utility model proposes a clamping device, referring to fig. 1, the clamping device 10 is used for synchronously and centrally clamping a to-be-clamped piece, and the clamping device 10 can clamp to-be-clamped pieces of various sizes and ensure the centering degree of the to-be-clamped piece. The to-be-clamped piece can be a blade battery, a lithium battery, a cell aluminum shell and the like, and can be any other product needing to be subjected to a clamping process. For convenience of explanation, the blade battery will be exemplified below to try to explain, which is only an example and not a limitation.

Referring to fig. 1 to 7, the clamping device 10 includes a rotating base 1, a supporting mechanism 2, a clamping mechanism 3, a rotating mechanism 4, and a driving mechanism 5, wherein the supporting mechanism 2 is mounted on the rotating base 1. The clamping mechanism 3 comprises a plurality of clamping assemblies 31, the clamping assemblies 31 are movably mounted on the supporting mechanism 2, the clamping assemblies 31 are distributed at intervals along the circumferential direction of the rotating base 1, and the clamping assemblies 31 are used for clamping or releasing the blade battery together.

The rotary mechanism 4 is rotatably mounted on the supporting mechanism 2, the driving mechanism 5 is mounted on the rotary base 1, the driving mechanism 5 is connected with the rotary mechanism 4, the driving mechanism 5 is used for driving the rotary mechanism 4 to rotate along the circumferential direction of the rotary base 1, the clamping components 31 are in transmission fit with the rotary mechanism 4, and the rotary mechanism 4 is used for driving the clamping components 31 to clamp synchronously and centrally or synchronously release the blade battery during rotation.

The arrangement is that the rotating mechanism 4 is driven to rotate circumferentially through the driving mechanism 5, the rotating mechanism 4 synchronously drives the clamping assemblies 31 to move along respective moving directions in the circumferential movement process, namely, the circumferential movement of the rotating mechanism 4 is converted into the translational movement of the clamping assemblies 31, the clamping assemblies 31 can synchronously clamp the blade battery in the middle, the clamping assemblies 31 are distributed at intervals along the circumferential direction of the rotating base 1, thus, the requirements of clamping the blade battery with various sizes can be met under the combined action of the clamping assemblies 31, the clamping assemblies are adapted to batteries with various specifications and various sizes, the clamping effect of the clamping device 10 can be improved, and under the synchronous movement of the clamping assemblies 31, the consistency of clamping the blade battery can be well ensured, so that the centering degree of the blade battery can be improved, and the blade battery can be conveniently processed, thereby improving the production and processing quality.

In addition, the plurality of clamping assemblies 31 can also compress the blade battery having the dimensional deviation in an overpressure manner as compared with the conventional clamp, so that the defect that the conventional clamp cannot clamp the blade battery having the dimensional deviation well with the right angle as the reference side can be effectively overcome, so that the blade batteries of various specifications and various sizes can be clamped well, and the adaptability of the clamping device 10 is improved.

The rotating base 1 is used for driving the supporting mechanism 2, the clamping mechanism 3, the rotating mechanism 4 and the blade battery to rotate, so that when the blade battery is clamped by the clamping assemblies 31 together, the rotating base 1 can adjust the position of the blade battery in the rotating process, and therefore, in the welding process, the welding manipulator can sufficiently weld the long side and the short side of the blade battery, so that the reliability of welding is improved, and the air tightness and the safety of the battery are improved.

The rotary base 1 can realize driving rotation through the motor, and the rotary base 1 is also provided with an avoidance hole 11, and the avoidance hole 11 is used for passing through a charging blade battery. The supporting mechanism 2 comprises a supporting plate 21, the supporting plate 21 is in an annular arrangement, the supporting plate 21 is fixedly arranged with the rotating base 1 through a plurality of supporting columns 22, the supporting columns 22 are distributed along the circumferential direction of the rotating base 1 at intervals, one end of each corresponding supporting column 22 is fixedly connected with the supporting plate 21, and the other end of each corresponding supporting column 22 is fixedly connected with the rotating base 1. The height of the supporting plate 21 can be increased through the supporting columns 22, and a space is reserved between the supporting plate 21 and the rotating base 1, so that the feeding condition of the battery with the feeding blade can be conveniently observed.

The rotating mechanism 4 is provided with a through hole, and the avoiding hole 11 is communicated with the through hole, so that a feeding space is reserved for feeding the charging blade battery, and therefore, the charging blade battery is convenient to feed, the structure is compact, and the utilization rate of the structural space can be improved.

Referring to fig. 2 to 4 and 8 to 11, the rotating mechanism 4 includes a driving member 41 and a rotating assembly 42, the rotating assembly 42 is mounted on the supporting mechanism 2, that is, on the supporting plate 21, the rotating assembly 42 is further connected with the driving mechanism 5, the rotating assembly 42 is used for mounting the driving member 41, and the plurality of clamping assemblies 31 are in transmission fit with the driving member 41.

The driving member 41 has a compressed state and a released state, the plurality of clamping assemblies 31 clamp the blade battery together when the driving member 41 is in the compressed state, the plurality of clamping assemblies 31 release the blade battery together when the driving member 41 is in the released state, and the driving mechanism 5 drives the driving member 41 to switch from the compressed state to the released state or from the released state to the compressed state through the rotating assembly 42.

So arranged, to drive the synchronous movement of the plurality of clamping assemblies 31 by the driving member 41 and to achieve synchronous and centered clamping or synchronous release of the blade batteries under the action of the driving mechanism 5.

The support mechanism 2 further includes a first presser 23 and a second presser 24, and the rotating assembly 42 includes a rolling bearing 421, a mounting plate 422, and an external gear 423. The rolling bearing 421 is mounted on the support plate 21, the second pressing member 24 is located above the first pressing member 23, and the first pressing member 23 and the second pressing member 24 are used for jointly pressing and fixing the rolling bearing 421. The mounting plate 422 is annular, and one side of the mounting plate 422 facing the rotating base 1 is provided with a convex ring 4221, the convex ring 4221 is fixedly connected with the inner ring of the rolling bearing 421, and the rolling bearing 421 is used for driving the mounting plate 422 to rotate. The external gear 423 is fixedly mounted on a side of the mounting plate 422 facing away from the rotation base 1, and the driving member 41 is mounted on the external gear 423.

The first pressing member 23 and the second pressing member 24 may be bearing pressing plates, or the first pressing member 23 and the second pressing member 24 may be pressing frames, or the first pressing member 23 and the second pressing member 24 may be other structural members with pressing fastening functions, so long as the rolling bearing 421 can be pressed, which will not be described in detail herein.

The driving mechanism 5 includes a servo motor 51, the servo motor 51 is mounted on the rotating base 1, an output end of the servo motor 51 is engaged with an external gear portion of the external gear 423 through a coupling or a driving gear, and the servo motor 51 is used for driving the external gear 423 to rotate, so that the external gear 423 can drive the driving member 41 to rotate.

With continued reference to fig. 2 to 4 and fig. 8 to 11, the driving member 41 is disposed in a ring shape, the driving member 41 has an inner driving side 411, the inner driving side 411 is provided with a plurality of driving portions 412, the plurality of driving portions 412 are sequentially distributed along the circumferential direction of the driving member 41, and the plurality of driving portions 412 are in one-to-one transmission fit with the plurality of clamping assemblies 31.

The corresponding clamping assemblies 31 can be driven to move through the driving parts 412 in the rotation process of the driving part 41, and then synchronous movement of the clamping assemblies 31 is driven to be realized, so that the blade battery can be driven to be centered gradually in the process of clamping the blade battery, the centering degree of the blade battery is improved, the coaxiality of the blade battery and the rotating center is improved, the position of the blade battery can be better adjusted in the rotating process of the rotating base 1 is ensured, and the welding manipulator can weld the blade battery conveniently, so that the welding quality is improved.

In some embodiments, the driving member 41 may be a driving wheel, with the inner driving side 411 being configured in a contoured shape. It is understood that the driving member 41 may be other structural members having annular configuration and having a profiled side wall surface on the inner side, so long as the circumferential movement is converted into the translational movement when the driving member is engaged with the clamping assembly 31, which will not be described in detail herein.

In some embodiments, the driving portion 412 includes a compressing section 4121, a transition section 4122, and an unlocking section 4123, where the compressing section 4121, the transition section 4122, and the unlocking section 4123 are sequentially distributed and sequentially engaged along the circumferential direction of the driving member 41. The hold-down section 4121 is in driving engagement with the corresponding clamp assembly 31 and is configured to drive the corresponding clamp assembly 31 to clamp the blade battery, the unlock section 4123 is in driving engagement with the corresponding clamp assembly 31 and is configured to drive the corresponding clamp assembly 31 to release the blade battery, and the transition section 4122 is configured to allow the corresponding clamp assembly 31 to transition from the hold-down state to the release state or from the release state to the hold-down state.

The joint of the compressing section 4121, the transition section 4122 and the unlocking section 4123 is subjected to arc transition, the driving member 41 is circular, and the distance between the driving portion 412 and the peripheral wall of the driving member 41 is gradually reduced from the compressing section 4121 to the unlocking section 4123.

Through compressing tightly section 4121, changeover portion 4122 and unblock section 4123 to can realize increasing or reducing the travel distance of corresponding clamping component 31, thereby realize that a plurality of clamping components 31 press from both sides tightly in the middle or synchronous release blade battery, so not only simple structure, the compactness is high between the structure moreover, steady motion is favorable to avoiding producing great rocking, make a plurality of clamping components 31 can be more steady clamp blade battery, avoid blade battery impaired or damaged effectively, be favorable to promoting the effect of centre gripping blade battery, promote production quality.

In addition, when the clamping assembly 31 is transited from the compression state to the release state or transited from the release state to the compression state, the transition section 4122 can effectively avoid the intense movement of the clamping assembly 31, so that on one hand, the blade battery can be smoothly released, the blade battery can be prevented from being scratched, and on the other hand, the rigid collision and rigid damage between the driving member 41 and the clamping assembly 31 can be reduced, thereby prolonging the service life of the driving member 41.

It will be appreciated that the compressed state of the driving member 41 is when the corresponding clamping assembly 31 is slidably engaged with the corresponding compressing segment 4121, and the released state of the driving member 41 is when the corresponding clamping assembly 31 is slidably engaged with the corresponding unlocking segment 4123.

Referring to fig. 1 to 7, the clamping mechanism 3 further includes a press-fitting member 32, the press-fitting member 32 being mounted to the supporting mechanism 2, that is, the press-fitting member 32 being mounted to the supporting plate 21, the press-fitting member 32 being provided with a mounting opening 321 through which the blade battery passes. The clamping components 31 are movably connected to the press fitting component 32, the clamping portions 3111 corresponding to the clamping components 31 are arranged at the mounting opening 321, and the clamping portions 3111 corresponding to the clamping components 31 are further distributed at intervals along the circumferential direction of the mounting opening 321.

The clamping assembly 31 is installed through the press fitting piece 32, and the clamping assembly 31 is pressed on the supporting plate 21, so that the overall stability of the clamping device 10 is enhanced, the clamping assembly 31 can better clamp the blade battery, and the stability of clamping and clamping the blade battery is improved.

The plurality of clamping assemblies 31 may be grouped in pairs, one clamping assembly 31 for commonly clamping or releasing two opposite sides of the blade battery, and another clamping assembly 31 for commonly clamping or releasing the other two opposite sides of the blade battery.

The press-fitting member 32 is mounted on the support plate 21 through a plurality of connecting columns 322, the plurality of connecting columns 322 are distributed at intervals along the circumferential direction of the support plate 21, one end of each connecting column 322 is fixedly mounted on the support plate 21, and the other end of each connecting column 322 is fixedly mounted on the press-fitting member 32. So set up, on the one hand guarantee that pressure equipment piece 32 can fixed mounting, on the other hand make the clearance between pressure equipment piece 32 and the backup pad 21, the purpose is in order to be convenient for reveal external gear 423 to make things convenient for servo motor 51 and external gear 423 to be connected, in order to realize driving external gear 423 rotation.

In some embodiments, the press-fitting member 32 is configured in a plate-shaped structure, such as a press-mounting plate or a press-holding plate, the press-fitting member 32 may also be a structure such as a press-holding frame or a press-holding ring, and the press-fitting member 32 may also be other structural members with mounting and press-holding functions, so long as the mounting of the clamping assembly 31 and the pressing of the clamping assembly 31 can be realized.

The shape of the mounting opening 321 may be circular or square, and the shape of the mounting opening 321 may be adjusted according to the number of the clamping assemblies 31 or the shape of the to-be-clamped piece. It is understood that the mounting opening 321 may be provided in any other shape, as long as the clamping portion 3111 of the clamping assembly 31 and the to-be-clamped member can be mounted, which will not be described in detail herein.

With continued reference to fig. 1 to 7, the press-fitting member 32 is provided with an annular protrusion 323 on a side facing the support mechanism 2, the annular protrusion 323 is disposed around an edge of the mounting opening 321, a plurality of mounting holes 3231 penetrate through a sidewall of the annular protrusion 323, the plurality of mounting holes 3231 are distributed at intervals along an annular direction of the annular protrusion 323, and the plurality of mounting holes 3231 are all communicated with the mounting opening 321.

The clamping assembly 31 comprises a clamping piece 311 and a pushing piece 312, wherein the clamping piece 311 is arranged in the mounting opening 321, a clamping part 3111 is formed on one side of the side wall of the clamping piece 311, which is away from the mounting opening 321, the pushing piece 312 is movably arranged in a corresponding mounting hole 3231, one end of the pushing piece 312 is connected to the clamping piece 311, the other end of the pushing piece 312 is in transmission fit with the rotating mechanism 4, the pushing piece 312 is used for pushing the clamping piece 311 to move under the action of the rotating mechanism 4, namely, the other end of the pushing piece 312 is in sliding fit with the driving part 412, and the pushing piece 312 is driven to move under the action of the driving piece 41.

The clamping member 311 may be a clamping plate or a silicone pressure plate. The clamping piece 311 is in a strip shape or a strip plate shape, and part of the clamping piece 311 extends out of the mounting opening 321 to be arranged, so that after the blade battery is clamped, the top cover end of the blade battery is exposed, and the blade battery is conveniently welded by the welding manipulator. The width of the clamping piece 311 can be set according to the width of the blade battery, and is adapted to the width of the blade battery so as to meet the requirements of clamping blade batteries with various sizes.

For example, the width dimension of the corresponding clamping portion 3111 in one set of clamping members 311 may be set to a large width dimension, the width dimension of the corresponding clamping portion 3111 in the other set of clamping members 311 may be set to a small width dimension, two clamping portions 3111 set to the large width dimension are used to clamp two opposite sides of the large width dimension of the blade battery, and two clamping portions 3111 set to the small width dimension are used to clamp the other two opposite sides of the small width dimension of the blade battery.

The pushing member 312 includes a mounting portion 3121 and a pushing portion 3122, the mounting portion 3121 is provided in a plate shape, the mounting portion 3121 is provided in the mounting port 321, and the mounting portion 3121 is provided for mounting the clamping member 311. The pushing portion 3122 is in a rod shape, the pushing portion 3122 is movably disposed in the corresponding mounting hole 3231, one end of the pushing portion 3122 extends out from one end of the corresponding mounting hole 3231 and is fixedly connected with the mounting portion 3121, and one end of the pushing portion 3122 extends out from the other end of the corresponding mounting hole 3231 and is in sliding fit with the driving portion 412.

Wherein, the mounting portion 3121 may be a loading plate, and the pushing portion 3122 may be a pushing rod.

With continued reference to fig. 1 to 7, the clamping assembly 31 further includes a reset element 313, an abutment portion 3123 is provided on the outer portion of the pushing element 312, that is, an abutment portion 3123 is formed on the outer circumferential wall of the pushing rod, a stop portion 3232 is provided on the hole wall of the mounting hole 3231, the reset element 313 is sleeved on the outer portion of the pushing element 312, one end of the reset element 313 abuts against the abutment portion 3123, the other end of the reset element 313 abuts against the stop portion 3232, and the reset element 313 is used for driving the pushing element 312 to reset so as to drive the clamping element 311 to reset.

The pushing rod can be driven to reset through the reset piece 313, so that the pushing rod can be quickly reset in the process of releasing the blade battery by the clamping piece 311, the smoothness of movement of the pushing part 3122 is improved, the phenomenon of blocking or shell blocking is avoided, the effect of clamping the blade battery by the clamping piece 311 is improved, the whole performance of the clamping device 10 is prevented from being influenced, and the production efficiency is improved.

The restoring member 313 may be a restoring spring or an elastic sleeve, and the restoring member 313 may be other elastic structural members with restoring functions.

In some embodiments, the clamping assembly 31 further includes an elastic member 314 and a rolling member 315, the end of the pushing member 312 facing the rotating mechanism 4 is provided with a mounting groove 3124, the elastic member 314 is disposed in the mounting groove 3124, the rolling member 315 is movably disposed in a notch of the mounting groove 3124, one end of the elastic member 314 is abutted to a bottom of the mounting groove 3124, and the other end of the elastic member 314 is abutted to the rolling member 315.

The rotating mechanism 4 comprises a driving piece 41 rotatably mounted on the supporting mechanism 2, the driving piece 41 is in an annular arrangement, the driving piece 41 is provided with an inner driving side 411, the inner driving side 411 is provided with a plurality of driving parts 412, the driving parts 412 are distributed along the circumference of the inner driving side 411, the rolling piece 315 is in transmission fit with the inner driving side 411, the rolling piece 315 is used for converting circumferential motion of the driving piece 41 into translational motion, the pushing piece 312 moves under the action of the rolling piece 315 and drives the clamping piece 311 to move, and the clamping piece 311 elastically clamps the blade battery under the action of the elastic piece 314, so that the clamping piece 311 can clamp the blade battery in an overpressure mode to adaptively clamp the blade batteries with various sizes.

The rolling element 315 is in sliding fit with the driving part 412, and friction force between the pushing rod and the driving part 412 can be reduced through the rolling element 315, so that the driving element 41 can smoothly drive the rolling element 315 to move in a rotating process, the pushing element 312 can smoothly do translational motion, and further the clamping element 311 can stably clamp the blade battery, and the effect of improving the blade battery clamping is achieved. Meanwhile, the consistency of synchronous movement of the clamping pieces 311 can be guaranteed, so that the blade battery can be clamped synchronously, the centering degree of the blade battery is higher, and the centering effect of the battery is improved.

The pushing member 312 can be elastically driven to move through the elastic member 314 and the rolling member 315, so that the clamping member 311 can elastically clamp the blade point battery, and thus the clamping member 311 can clamp the blade battery in an overvoltage mode, the effect of clamping the blade battery is improved, and the welding quality of the blade battery is improved.

The elastic member 314 may be a spring, and the elastic member 314 may be other structural members with elastic function. The rolling element 315 may be steel balls, and the rolling element 315 may be other structural members with rolling motion function.

In other embodiments, the clamping assembly 31 may further include a baffle 316, where the baffle 316 is disposed in a circular shape, and the baffle 316 is disposed in the mounting groove 3124 and between the elastic member 314 and the rolling member 315. The rolling element 315 can drive the pushing element 312 to move smoothly through the baffle 316 in the moving process, on one hand, the rigid damage of the elastic element 314 and the rolling element 315 can be avoided, the blocking phenomenon can be avoided, the moving fluency of the rolling element 315 and the pushing element 312 can be improved, on the other hand, the elastic element 314 can be extruded by the rolling element 315 conveniently through the baffle 316, the elastic element 314 can bear force uniformly, the shaking of the pushing element 312 in the moving process can be effectively avoided, and therefore the moving stability of the pushing element 312 can be improved, and the clamping element 311 can be driven to clamp the blade battery better.

With continued reference to fig. 1 to 7, the end of the pushing member 312 adjacent to the driving member 41 is provided with a guiding notch 3125, the guiding notch 3125 is communicated with the mounting slot 3124, the inner driving side 411 extends into the guiding notch 3125, and the inner driving side 411 is in guiding engagement with the guiding notch 3125. The groove wall of the installation groove 3124 is provided with a guide portion 3126, and the guide portion 3126 is used to guide the movement of the rolling member 315 along the direction defined by the installation groove 3124, thereby improving the convenience of the movement of the rolling member 315. Wherein the guide 3126 may be a guide slot or a guide channel.

The arrangement effectively reduces the possibility of the driving member 41 and the pushing member 312 from being blocked, so that the driving member 41 can easily drive the pushing member 312 to move in the circumferential rotation process, thereby being beneficial to improving the smoothness and stability of converting the circumferential motion of the driving member 41 into the translational motion, and on the other hand, effectively preventing the pushing member 312 from being separated from the driving member 41, so as to enhance the connection stability between the structures.

Referring to fig. 1 to 7, the press-fitting member 32 is provided with a plurality of guide holes 324, the plurality of guide holes 324 being spaced apart in the circumferential direction of the press-fitting member 32, the plurality of guide holes 324 each communicating with the mounting port 321. The clamping assembly 31 further includes a guide member 33, where the guide member 33 is disposed in the corresponding guide hole 324 and is in guiding fit with the corresponding guide hole 324, one end of the guide member 33 is connected with one end of the pushing member 312 near the clamping member 311, that is, one end of the guide member 33 is fixedly connected with the mounting portion 3121, and the guide member 33 is used for guiding the pushing member 312 to move so as to ensure the moving stability of the clamping member 311, so as to improve the stability of the clamping blade battery.

The guide 33 may be a guide rod or a guide shaft. The number of the guide members 33 may be two, and the number of the guide members 33 may be plural.

The clamping assembly 31 further comprises a plurality of guide seats 34, the guide seats 34 are installed at the openings of the corresponding guide holes 324, the guide seats 34 are used for installing the guide pieces 33, and the guide seats 34 are matched with the guide pieces 33 in a guiding manner, so that the guide pieces 33 can stably guide the pushing pieces 312 and the clamping pieces 311 to move, and the moving stability of the pushing pieces 312 and the clamping pieces 311 is improved.

Referring to fig. 1 to 11, the clamping device 10 clamps a blade battery as follows:

in a state that the blade battery is not clamped, the corresponding rolling element 315 is in contact with the corresponding unlocking section 4123, the servo motor 51 drives the driving element 41 to rotate circumferentially through driving the external gear 423 to rotate, when the driving element 41 rotates in the circumferential direction (such as rotates circumferentially in the clockwise direction), the contact between the unlocking section 4123 and the rolling element 315 is switched to the contact between the transition section 4122 and the rolling element 315, and finally the contact between the pressing section 4121 and the rolling element 315 is switched to the contact between the pressing section 4121, and in the process, the rolling element 315 is abutted to increase the moving stroke of the pushing element 312, so that the clamping element 311 is driven to move, that is, the clamping elements 311 move synchronously, and the blade battery is clamped synchronously and centrally.

The process of releasing the blade battery by the clamping device 10 is as follows:

in a state of clamping the blade battery, the corresponding rolling element 315 is in contact with the corresponding pressing section 4121, the servo motor 51 drives the driving element 41 to rotate circumferentially through the driving external gear 423, when the driving element 41 rotates in the circumferential direction (such as rotates circumferentially in the anticlockwise direction), the contact between the pressing section 4121 and the rolling element 315 is switched to the contact between the transition section 4122 and the rolling element 315, and finally the contact between the unlocking section 4123 and the rolling element 315 is switched to, in the process, the rolling element 315 is released and the pushing element 312 is driven to reset under the action of the resetting element 313, so that the clamping element 311 is driven to release the blade battery, namely the synchronous release of the blade battery by the clamping elements 311 is realized.

The foregoing description is only of the optional embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all the equivalent structural changes made by the description of the present utility model and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims (10)

1. A clamping device, which is characterized by comprising a rotary base, a supporting mechanism, a clamping mechanism, a rotating mechanism and a driving mechanism; wherein,

the supporting mechanism is arranged on the rotating base;

the clamping mechanism comprises a plurality of clamping assemblies, the clamping assemblies are movably mounted on the supporting mechanism, the clamping assemblies are distributed at intervals along the circumferential direction of the rotating base, and the clamping assemblies are used for jointly clamping or jointly releasing a to-be-clamped piece;

the rotating mechanism is rotatably mounted on the supporting mechanism, the driving mechanism is mounted on the rotating base, the driving mechanism is connected with the rotating mechanism and used for driving the rotating mechanism to rotate along the circumferential direction of the rotating base, the clamping assemblies are in transmission fit with the rotating mechanism, and the rotating mechanism is used for driving the clamping assemblies to synchronously clamp in the middle or synchronously release the clamping pieces to be clamped when rotating.

2. The clamping device as recited in claim 1, wherein said rotating mechanism includes a driving member and a rotating assembly, said rotating assembly being mounted to said support mechanism, said rotating assembly being further coupled to said driving mechanism, said rotating assembly being configured for mounting said driving member, said plurality of clamping assemblies each being in driving engagement with said driving member;

the driving piece is provided with a compressing state and a releasing state, the clamping components clamp the to-be-clamped piece together when the driving piece is in the compressing state, the clamping components release the to-be-clamped piece together when the driving piece is in the releasing state, and the driving mechanism drives the driving piece to be switched from the compressing state to the releasing state or from the releasing state to the compressing state through the rotating component.

3. The clamping device as claimed in claim 2, characterized in that the driving member is arranged in a ring shape, the driving member has an inner driving side, the inner driving side is provided with a plurality of driving portions, the driving portions are sequentially distributed along the circumferential direction of the driving member, and the driving portions are in transmission fit with the clamping assemblies in a one-to-one correspondence.

4. A clamping device as claimed in claim 3, characterised in that the drive section comprises a compression section, a transition section and an unlocking section, which are distributed in sequence and joined in sequence in the circumferential direction of the drive member;

the pressing section is in transmission fit with the corresponding clamping assembly and used for driving the corresponding clamping assembly to clamp the to-be-clamped piece, the unlocking section is in transmission fit with the corresponding clamping assembly and used for driving the corresponding clamping assembly to release the to-be-clamped piece, and the transition section is used for enabling the corresponding clamping assembly to transition from the pressing state to the releasing state or from the releasing state to the pressing state.

5. The clamping device as recited in claim 1, wherein the clamping mechanism further comprises a press-fit member mounted to the support mechanism, the press-fit member having a mounting opening through which the clip member is to be passed;

the clamping components are movably connected to the press fitting piece, clamping portions corresponding to the clamping components are arranged at the mounting opening, and the clamping portions corresponding to the clamping components are distributed at intervals along the circumferential direction of the mounting opening.

6. The clamping device as claimed in claim 5, wherein an annular protrusion is provided on a side of the press-fitting member facing the supporting mechanism, the annular protrusion is provided around an edge of the mounting opening, a plurality of mounting holes are formed through a sidewall of the annular protrusion, the plurality of mounting holes are distributed at intervals along an annular direction of the annular protrusion, and the plurality of mounting holes are all communicated with the mounting opening;

the clamping assembly comprises a clamping piece and a pushing piece, wherein the clamping piece is arranged in the mounting opening, one side, deviating from the side wall of the mounting opening, of the clamping piece is provided with the clamping part, the pushing piece is movably arranged in a corresponding mounting hole, one end of the pushing piece is connected to the clamping piece, the other end of the pushing piece is in transmission fit with the rotating mechanism, and the pushing piece is used for pushing the clamping piece to move under the action of the rotating mechanism.

7. The clamping device of claim 6, wherein the clamping assembly further comprises a reset member, an abutting portion is arranged outside the pushing member, a stop portion is arranged on the wall of the mounting hole, the reset member is sleeved outside the pushing member, one end of the reset member abuts against the abutting portion, the other end of the reset member abuts against the stop portion, and the reset member is used for driving the pushing member to reset so as to drive the clamping member to reset.

8. The clamping device as claimed in claim 6, wherein the clamping assembly further comprises an elastic member and a rolling member, wherein a mounting groove is formed in one end of the pushing member facing the rotating mechanism, the elastic member is arranged in the mounting groove, the rolling member is movably arranged at a notch of the mounting groove, one end of the elastic member is abutted to the bottom of the mounting groove, and the other end of the elastic member is abutted to the rolling member;

the rotating mechanism comprises a driving piece rotationally arranged on the supporting mechanism, the driving piece is in an annular arrangement, the driving piece is provided with an inner driving side, the rolling piece is in transmission fit with the inner driving side, the rolling piece is used for converting circumferential motion of the driving piece into translational motion, the pushing piece moves under the action of the rolling piece and drives the clamping piece to move, and the clamping piece elastically clamps the clamping piece to be clamped under the action of the elastic piece.

9. The clamping device as claimed in claim 8, wherein a guide notch is formed in an end of said pushing member adjacent said driving member, said guide notch being in communication with said mounting slot, said inner driving side extending into said guide notch, said inner driving side being in guide engagement with said guide notch;

the groove wall of the mounting groove is provided with a guide part, and the guide part is used for guiding the rolling element to move along the direction limited by the mounting groove.

10. The clamping device as claimed in claim 6, wherein the press-fitting member is provided with a plurality of guide holes which are spaced apart in a circumferential direction of the press-fitting member, and the plurality of guide holes are communicated with the mounting port;

the clamping assembly further comprises a guide piece, the guide piece is arranged in the corresponding guide hole and is in guide fit with the corresponding guide hole, one end of the guide piece is connected with one end of the pushing piece, which is close to the clamping piece, and the guide piece is used for guiding the pushing piece to move.