CN217494311U

CN217494311U - Flexible clamping jaw

Info

Publication number: CN217494311U
Application number: CN202221327324.2U
Authority: CN
Inventors: 姜成武; 李文; 温正方; 黄大杰
Original assignee: Dongguan Tec Rich Engineering Co Ltd
Current assignee: Dongguan Tec Rich Engineering Co Ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2022-09-27
Anticipated expiration: 2032-05-30

Abstract

The utility model discloses a flexible clamping jaw, which comprises a bracket, a driving mechanism and a pair of clamping jaw components, wherein the two clamping jaw components are oppositely arranged and are arranged on the bracket in a sliding way; the driving mechanism is arranged on the bracket and drives the two clamping jaw assemblies to move away from or close to each other; the clamping jaw assembly comprises a sliding frame, a clamp body, a clamping jaw and an elastic buffer mechanism, wherein the sliding frame is slidably arranged on the support, the clamp body is arranged on the sliding frame, the clamping jaw is arranged on the clamp body, and the elastic buffer mechanism is arranged on the clamping jaw to elastically clamp an object. The utility model discloses flexible clamping jaw can prevent to press from both sides and hinder the product, is applicable to the product of not unidimensional size, and is compatible high.

Description

Flexible clamping jaw

Technical Field

The utility model relates to a manipulator especially relates to a can prevent to press from both sides and hinder the product, is applicable to the product of unidimensional size and kind, the flexible clamping jaw that compatibility is high.

Background

The lithium battery needs to be baked before liquid injection, and when baking, the battery needs to be carried to the baking clamp through a mechanical arm, and the battery is generally clamped through a clamping jaw cylinder. In the prior art, a battery is fixed by clamping two sides, and a clamping jaw supports a flange of an aluminum shell battery pole piece to realize the lifting action of the battery. The aluminum-shell battery is a battery with an aluminum alloy material as a shell, and compared with the existing lithium battery, the aluminum-shell battery has a mature technology, so that batteries with various shapes and sizes have uncertainty in the shape and size. When the existing manipulator is used for carrying the aluminum-shell battery and faces different batteries, the manipulator needs to be designed independently to adapt to the appearance of the battery, and the existing manipulator is not good in compatibility; in addition, when the flange of the pole piece is small and is not enough to be supported, the battery cannot be clamped by the existing manipulator; if a rigid structure is adopted to clamp the battery, the surface of the battery can be deformed, and the battery can be damaged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can prevent to press from both sides and hinder the product, be applicable to the product of not unidimensional size, the flexible clamping jaw that compatibility is high.

In order to achieve the above object, the flexible clamping jaw provided by the present invention comprises a support, a driving mechanism and a pair of clamping jaw assemblies, wherein the two clamping jaw assemblies are oppositely arranged and slidably arranged on the support; the driving mechanism is arranged on the bracket and drives the two clamping jaw assemblies to move away from or close to each other; the clamping jaw assembly comprises a sliding frame, a clamp body, a clamping jaw and an elastic buffer mechanism, wherein the sliding frame is slidably arranged on the support, the clamp body is arranged on the sliding frame, the clamping jaw is arranged on the clamp body, and the elastic buffer mechanism is arranged on the clamping jaw to elastically clamp an object.

Compared with the prior art, the clamping jaw assembly is provided with the clamping jaw, the clamping jaw is provided with the elastic buffer mechanism, and the driving mechanism is utilized to drive the clamping jaw assembly to move and clamp products, so that the distance between the two clamping jaws can automatically adapt to the sizes of different products by utilizing the elastic buffer mechanism; moreover, after the elastic buffering mechanism generates elastic buffering, the counterforce is increased, so that the clamping force applied to the product is increased, the product with larger size and heavier weight is increased, the products with different sizes can be clamped effectively, and the compatibility is high. And the elastic buffer mechanism has a soft buffer effect, can avoid clamping the battery, and plays a role in protecting the battery.

The clamp body is provided with a holding cavity, one end of the clamping jaw is slidably arranged in the holding cavity, the elastic buffer mechanism is arranged in the holding cavity, one end of the elastic buffer mechanism is elastically abutted to one end of the clamping jaw, and the other end of the elastic buffer mechanism is elastically abutted to the clamp body. Through the arrangement of the accommodating cavity, the elastic buffer mechanism can be protected from being influenced by foreign objects, and can be limited, so that the elastic buffer mechanism is prevented from being out of work.

Specifically, the jack catch includes guiding axle, sliding part and buffering head, the interior bottom in holding chamber is equipped with the guiding hole, the guiding axle cup joints in with sliding the guiding hole, the sliding part is arranged in with sliding the holding intracavity, the buffering head stretches out outside the holding chamber.

Preferably, the elastic buffer mechanism is an elastic member, one end of the elastic member abuts against the clamping jaw, and the other end of the elastic member abuts against the clamping body. The elasticity of the elastic piece can be utilized to realize elastic buffering of the jack catch on a product, and the structure is very simple and convenient to use.

Preferably, the elastic buffer mechanism comprises an air pipe, an air valve and an air source, the claw is of a flexible structure, an air cavity is formed in the claw, one end of the air pipe is communicated with the air cavity, the other end of the air pipe is communicated with the air source, and the air valve is arranged on the air pipe to inflate and deflate the claw, so that the claw is expanded or shrunk. Through control fill into the atmospheric pressure size in the gas chamber can control the degree of inflation or the reduction of jack catch to reach the dynamics of distance and centre gripping between the two jack catches of control, with the product that adapts to different sizes and weight, compatibility is high, has elastic buffer's function again simultaneously, can effectively protect the product, avoids causing the damage to the product.

Preferably, the clamp body is provided with a positioning mechanism capable of guiding and positioning the clamped object. Because the clamping force is only applied to one direction of the product by the clamping jaws, in order to improve the stability of the product when the product is clamped, other directions of the product can be positioned by arranging the positioning mechanism, the product is prevented from inclining or deviating, and the clamping effectiveness and stability are ensured.

Specifically, positioning mechanism includes first locating clip and second locating clip, first locating clip and second locating clip be set up relatively in the both sides of clamp body. Therefore, the product can be positioned in the direction perpendicular to the clamping direction, and the product is ensured not to incline.

Specifically, the first positioning clamp and the second positioning clamp are arranged in a vertically staggered manner. The clamp body is designed to be narrow in order to adapt to the width of a product, and cannot accommodate the first positioning clamp and the second positioning clamp at the same horizontal height, so that the first positioning clamp and the second positioning clamp are arranged in a staggered mode, the positioning function can be achieved, the clamp body can adapt to the size of the clamp body, the structure of the clamping jaw assembly is compact, the size of the clamping jaw assembly is smaller, more clamp bodies can be arranged on the premise of the same size, and more products can be clamped at a time.

Preferably, the driving mechanism includes a translation mechanism, a gear and a pair of racks, the gear is pivoted to the bracket, one end of one of the racks is connected to the sliding frame of one of the clamping jaw assemblies, one end of the other rack is connected to the sliding frame of the other clamping jaw assembly, and the two racks are meshed with the gear; the output end of the translation mechanism is connected with the sliding frame of any one of the clamping jaw members. The two racks are respectively connected with the two sliding frames of the clamping jaw assembly, the rack is driven by the same gear, so that one of the sliding frames can be driven by a translation mechanism to synchronously drive the two sliding frames to move towards or away from each other, and the clamping jaws clamp or release a product.

Preferably, the sliding frame includes a first sliding plate and a second sliding plate, the first sliding plate is slidably disposed on the bracket, the second sliding plate is slidably disposed on the first sliding plate, and the sliding direction of the second sliding plate is perpendicular to the sliding direction of the first sliding plate. Through setting up first slide and second slide that slide each other to must the carriage can drive the jack catch along horizontal direction or vertical direction motion, thereby the realization can be accurately be close to the product, improves the flexibility of centre gripping product.

Drawings

Fig. 1 is a perspective view of the flexible jaw of the present invention.

Figure 2 is a side view of the flexible jaw of the present invention.

Fig. 3 is a bottom view of the flexible jaw of the present invention.

Figure 4 is an exploded view of the flexible jaw of the present invention.

Fig. 5 is a structural view of the clamp body of the flexible clamping jaw of the invention.

Figure 6 is a front view of the clamp body of the flexible clamping jaw of the present invention.

Figure 7 is a partial cross-sectional view of the body of the flexible jaw of the present invention.

Detailed Description

In order to explain technical contents, structural features, and effects achieved by the present invention in detail, the following description is given in conjunction with the embodiments and the accompanying drawings.

As shown in fig. 1, fig. 4 and fig. 7, the flexible clamping jaw 100 of the present invention is suitable for a lithium battery whose clamping pole piece flange is very small and is not enough to be held up by a conventional manipulator, and includes a support 1, a driving mechanism 2 and a pair of clamping jaw assemblies 3, wherein the support 1 is transversely disposed. The two clamping jaw assemblies 3 are oppositely arranged and are arranged at the lower side of the bracket 1 in a sliding manner; the driving mechanism 2 is arranged on the upper side of the bracket 1 and drives the two clamping jaw assemblies 3 to be away from or close to each other. The utility model discloses a two clamping jaw assembly 3 is the symmetry and sets up and the structure is the same, consequently, only describe one of them below clamping jaw assembly 3's structure. The clamping jaw assembly 3 comprises a sliding frame 31, a clamping body 32, a clamping jaw 33 and an elastic buffer mechanism 34, wherein the sliding frame 31 is arranged on the support 1 in a sliding mode. The number of the clamp bodies 32 is multiple, and the clamp bodies are arranged on the sliding frame 31 in a transverse arrangement; the clamping jaws 33 are arranged on the clamp body 32, and the number of the clamping jaws 33 on each clamp body 32 is multiple and is vertically arranged. The jaws 33 have an elastic buffer mechanism 34 thereon to elastically hold an object.

Referring to fig. 5 to 7, the clip body 32 is provided with an accommodating cavity 321, one end of the claw 33 is slidably disposed in the accommodating cavity 321, and the elastic buffer mechanism 34 is disposed in the accommodating cavity 321, and one end of the elastic buffer mechanism elastically abuts against one end of the claw 33, and the other end elastically abuts against the clip body 32. By arranging the accommodating cavity 321, the elastic buffer mechanism 34 can be protected from being influenced by foreign objects, and the elastic buffer mechanism 34 can be limited, so that the elastic buffer mechanism 34 is prevented from being out of work. Specifically, the claw 33 includes a guide shaft 331, a sliding portion 332, and a buffer head 333, a guide hole 321a is formed in the inner bottom of the accommodating cavity 321, the guide shaft 331 is slidably sleeved in the guide hole 321a, the sliding portion 332 is slidably disposed in the accommodating cavity 321, and the buffer head 333 extends out of the accommodating cavity 321; the buffer head 33 is of a cylindrical structure. The elastic buffer mechanism 34 is a compression spring. Utilize compression spring's elasticity can realize jack catch 33 and to product elastic buffer, and the structure is very simple, convenient to use. The utility model discloses can change the compression spring of different elastic coefficient according to size, the weight of battery to can the different kinds of battery of centre gripping. Additionally, the utility model discloses can also be in guiding axle 331 with set up a locating pin between the clamp 32, through locking guiding axle 331 in different positions, can adjust jack catch 33 is right at initial stage compression spring's decrement, thereby makes compression spring's elasticity at the beginning is different to also can realize adjusting the purpose of elasticity, be favorable to the different types of battery of centre gripping.

Referring to fig. 5 to 7, the clamp body 32 is provided with a positioning mechanism 322 for guiding and positioning the clamped object. Because the clamping force is only applied to one direction of the product by the clamping jaws 33, in order to improve the stability when the product is clamped, the other directions of the product can be positioned by arranging the positioning mechanisms 322, so that the product is prevented from inclining or deviating, and the clamping effectiveness and stability are ensured. Specifically, the positioning mechanism 322 includes a first positioning clip 3221 and a second positioning clip 3222, and the first positioning clip 3221 and the second positioning clip 3222 are oppositely disposed on two sides of the clip body 32 and above the clamping claw 33. This allows positioning of the product in a direction perpendicular to the gripping direction of the jaws 33, ensuring that the product does not tilt. Specifically, the first positioning clip 3221 and the second positioning clip 3222 are arranged in a staggered manner up and down. The clamp body 32 is designed to be narrow to adapt to the width of a product, and cannot accommodate the first positioning clamp 3221 and the second positioning clamp 3222 at the same horizontal height, so that the positioning function can be realized by arranging the two positioning clamps in a staggered manner, and the size of the clamp body 32 can be adapted to, so that the structure of the clamping jaw assembly 3 is more compact, the volume is smaller, and more clamp bodies 32 can be arranged on the premise of the same volume, so that more products can be clamped at a time. The distance between the front ends of the first positioning clip 3221 and the second positioning clip 3222 gradually decreases to the tail ends thereof. This provides a guiding function for the product during clamping, thereby allowing the positioning mechanism 322 and the jaws 33 to clamp the product more accurately. In addition, a buffer pad is disposed at one side of the first positioning clip 3221 and the second positioning clip 3222 opposite to each other. Therefore, the first positioning clamp 3221 and the second positioning clamp 3222 can be prevented from wearing the surface of the product, and the product can be effectively protected.

As further shown in fig. 1 to 4, the driving mechanism 2 includes a translating mechanism 21, a gear 22 and a pair of racks 23, the gear 22 is pivotally connected to the bracket 1, one end of one of the racks 23 is connected to the sliding frame 31 of one of the jaw assemblies 3 through a connecting rod, one end of the other rack 23 is connected to the sliding frame 31 of the other jaw assembly 3 through a connecting rod, and the two racks 23 are engaged with the gear 22. The output of the translation mechanism 21 is connected to the carriage 31 of either of the jaw members. The two racks 23 are respectively connected with the sliding frames 31 of the two clamping jaw assemblies 3, the same gear 22 is used for driving the racks 23, so that the sliding frames 31 can be driven by a translation mechanism 21 to synchronously drive the two sliding frames 31 to move towards or away from each other, and the clamping jaws 33 clamp or release a product. Specifically, the support 1 is provided with a slide rail 11 along the transverse direction, the sliding rack 31 and the rack 23 are both provided with a slide block 12, and the slide block 12 is slidably matched with the slide rail 11. By means of the cooperation between the slide rail 11 and the slide block 12, the sliding of the sliding frame 31 can be more smoothly and smoothly performed. Translation mechanism 21 includes motor 211, lead screw 212 and nut piece 213, motor 211 set up in on the support 1, the output of motor 211 with lead screw 212 connects, nut piece 213 with lead screw 212 threaded connection, nut piece 213 with arbitrary carriage 31 connects, in order to drive carriage 31 removes.

As shown in fig. 4, the sliding frame 31 includes a first sliding plate 311 and a second sliding plate 312, the first sliding plate 311 is slidably disposed on the bracket 1, and the slider 12 is disposed on the first sliding plate. The second sliding plate 312 is slidably and adjustably disposed on the first sliding plate 311 and has a sliding direction perpendicular to the sliding direction of the first sliding plate 311. Specifically, the second sliding plate 312 is provided with an adjusting slide rail 3121 along the vertical direction, one side of the first sliding plate 311 is provided with an adjusting slider 3111, and the adjusting slider 3111 is slidably engaged with the adjusting slide rail 3121, so that the second sliding plate 312 is vertically slidably adjusted relative to the first sliding plate 311. Through the arrangement of the first sliding plate 311 and the second sliding plate 312 which slide with each other, the sliding frame 31 can drive the claws 33 to move in the horizontal direction or the vertical direction, so that the product can be accurately approached, and the flexibility of clamping the product is improved.

In view of the above, and in conjunction with the accompanying drawings, the working principle of the flexible clamping jaw 100 of the present invention is described in detail as follows:

firstly, the motor 211 is started, the motor 211 drives the screw rod 212 to rotate, so as to drive the nut block 213 to move, the nut block 213 drives one of the racks 31 to move, the rack 31 drives the rack 23 connected with the rack to move, and the gear 22 rotates to drive the other rack 23 and the other rack 31 to move. At this time, the two sliding frames 31 move toward each other. When approaching a battery, the two ends of the battery are positioned between the first and

second positioning clips

3221, 3222 under the guidance of the two clips. Meanwhile, the buffer heads 333 of the claws 33 elastically abut against both ends of the battery. As the sliding frame 31 moves, the compression spring is compressed, and the claw 33 clamps the battery under the elastic force of the compression spring. Finally, the battery can be lifted and transferred.

Compared with the prior art, the clamping jaw assembly 3 is provided with the clamping jaws 33, the clamping jaws 33 are provided with the elastic buffer mechanisms 34, the driving mechanism 2 is utilized to drive the clamping jaw assembly 3 to move and clamp products, and therefore the distance between the two clamping jaws 33 can automatically adapt to the sizes of different products by utilizing the elastic buffer mechanisms 34; moreover, after the elastic buffering mechanism 34 generates elastic buffering, the reaction force is increased, so that the clamping force applied to the product is increased, and the clamping force applied to the product is increased, so that the product with larger size and heavier weight is increased, the products with different sizes can be effectively clamped, and the compatibility is high. Moreover, the elastic buffer mechanism 34 has a soft buffer effect, so that the battery can be prevented from being pinched, and the battery can be protected.

Additionally, the utility model discloses an elastic buffer mechanism can also include other forms, for example elastic buffer mechanism includes trachea, pneumatic valve and air supply, jack catch 33 is soft structure and inside has the air cavity, tracheal one end with the air cavity intercommunication, the other end with the air supply intercommunication, the pneumatic valve set up in on the trachea, it is right jack catch 33 fills, exits, makes jack catch 33 inflation or shrink. Through control fill into the atmospheric pressure size in the gas chamber, can control the degree of the inflation or the shrink of jack catch 33 to reach the dynamics of distance and centre gripping between the two jack catch 33 of control, with the product that adapts to different sizes and weight, compatibility is high, has elastic buffer's function again simultaneously, can effectively protect the product, avoids causing the damage to the product.

The above disclosure is only a preferred embodiment of the present invention, and certainly, the scope of the present invention should not be limited thereto, and therefore, the scope of the present invention is not limited to the above embodiments.

Claims

1. A flexible jaw, characterized by: the clamping jaw clamping device comprises a support, a driving mechanism and a pair of clamping jaw components, wherein the two clamping jaw components are oppositely arranged and are arranged on the support in a sliding manner; the driving mechanism is arranged on the bracket and drives the two clamping jaw assemblies to move away from or approach to each other; the clamping jaw assembly comprises a sliding frame, a clamp body, a clamping jaw and an elastic buffer mechanism, wherein the sliding frame is slidably arranged on the support, the clamp body is arranged on the sliding frame, the clamping jaw is arranged on the clamp body, and the elastic buffer mechanism is arranged on the clamping jaw to elastically clamp an object.

2. The flexible jaw of claim 1, wherein: the clamp body is provided with a holding cavity, one end of the clamping jaw is slidably arranged in the holding cavity, the elastic buffer mechanism is arranged in the holding cavity, one end of the elastic buffer mechanism is elastically abutted to one end of the clamping jaw, and the other end of the elastic buffer mechanism is elastically abutted to the clamp body.

3. The flexible jaw of claim 2, wherein: the jack catch includes guiding axle, sliding part and buffering head, the interior bottom in holding chamber is equipped with the guiding hole, the guiding axle cup joints in with sliding in the guiding hole, the sliding part is arranged in with sliding in the holding intracavity, the buffering head stretches out outside the holding chamber.

4. The flexible jaw of claim 1, wherein: the elastic buffer mechanism is an elastic piece, one end of the elastic piece abuts against the clamping jaw, and the other end of the elastic piece abuts against the clamping body.

5. The flexible jaw of claim 1, wherein: the elastic buffer mechanism comprises an air pipe, an air valve and an air source, the claw is of a flexible structure, an air cavity is formed in the claw, one end of the air pipe is communicated with the air cavity, the other end of the air pipe is communicated with the air source, and the air valve is arranged on the air pipe to charge and discharge the claw so as to expand or contract the claw.

6. The flexible jaw of claim 1, wherein: the clamp body is provided with a positioning mechanism which can guide and position the clamped object.

7. The flexible jaw of claim 6, wherein: the positioning mechanism comprises a first positioning clamp and a second positioning clamp, and the first positioning clamp and the second positioning clamp are oppositely arranged on two sides of the clamp body.

8. The flexible jaw of claim 7, wherein: the first positioning clamp and the second positioning clamp are arranged in a vertically staggered manner.

9. The flexible jaw of claim 1, wherein: the driving mechanism comprises a translation mechanism, a gear and a pair of racks, the gear is pivoted to the bracket, one end of one rack is connected to the sliding frame of one clamping jaw assembly, one end of the other rack is connected to the sliding frame of the other clamping jaw assembly, and the two racks are meshed with the gear; the output end of the translation mechanism is connected to the sliding frame of any clamping jaw assembly.

10. A flexible jaw as claimed in any one of claims 1 to 9, wherein: the sliding frame comprises a first sliding plate and a second sliding plate, the first sliding plate is arranged on the support in a sliding mode, the second sliding plate is arranged on the first sliding plate in a sliding adjusting mode, and the sliding direction of the first sliding plate is perpendicular to the sliding direction of the second sliding plate.