WO2021135671A1

WO2021135671A1 - Upright clamping mechanism

Info

Publication number: WO2021135671A1
Application number: PCT/CN2020/128401
Authority: WO
Inventors: 吴加富; 缪磊; 蒋玉斌; 肖夕全; 万发
Original assignee: 苏州富强科技有限公司
Priority date: 2019-12-30
Filing date: 2020-11-12
Publication date: 2021-07-08
Also published as: CN111003457A; CN111003457B

Abstract

An upright clamping mechanism, comprising a rotating base (242) and a fastening base (245) arranged in correspondence and at an interval, wherein the rotating base comprises: a left upright plate (2421) and a right upright plate (2422) arranged in correspondence and at an interval; and a rotating shaft (2423) arranged between the left upright plate and the right upright plate, with at least one rotating piece (246) being sleeved on the rotating shaft; at least one fastening piece (2451) is formed on the fastening base, each fastening piece being arranged in correspondence with a corresponding rotating piece; a position return component (2424) is provided on the rotating shaft, the position return component acting on the rotating piece and allowing the rotating piece to rotate around an axis of the rotating shaft, so as to make at least a portion of the rotating piece be continuously near the fastening piece. The upright clamping mechanism allows material to maintain being held in a relatively stable position after the material is unclamped, thereby increasing the material picking success rate of a pick and place machine.

Description

Upright clamping mechanism

Technical field

The invention relates to the field of non-standard automation, in particular to an upright clamping mechanism.

Background technique

In the process of applying non-standard automatic filming lines or equipment to the surface of the material, it is well-known to use clamping mechanisms of different structures to achieve a stable clamping of the material to be filmed to improve the success rate and efficiency of the film. In the process of researching and realizing the stable clamping of the product to be laminated, the inventor found that the clamping mechanism in the prior art has at least the following problems:

When the two ends of a material with a cylindrical structure, such as a button battery, are clamped axially, since the material of this structure type has a cylindrical side surface, this type of material is either taken out of the clamping mechanism or put into the clamp. During the process of the holding mechanism, slippage is extremely easy to occur, and after the existing clamping mechanism loosens the material, it cannot guarantee that the material is always kept in a relatively stable position, which leads to the low success rate of the pick-and-place mechanism. Finally, the filming efficiency is low.

In view of this, it is necessary to develop an upright clamping mechanism to solve the above-mentioned problems.

Summary of the invention

In view of the shortcomings in the prior art, the main purpose of the present invention is to provide an upright clamping mechanism, which can keep the material in a relatively stable position when the material is loosened, thereby improving the pick-and-place The success rate of reclaiming of the organization

In order to achieve the above-mentioned objects and other advantages according to the present invention, an upright clamping mechanism is provided, which includes a rotating base and a tightening base that are opposed and spaced apart, wherein the rotating base includes:

The left vertical board and the right vertical board arranged oppositely and spaced apart; and

The rotating shaft is arranged between the left vertical plate and the right vertical plate, at least one rotating member is sleeved on the rotating shaft, at least one clamping member is formed on the clamping base, and each clamping member is associated with a corresponding A rotating part is arranged oppositely; the rotating shaft is provided with a resetting part, and the resetting part acts on the rotating part so that the rotating part can rotate around the axis of the rotating shaft so that at least part of the rotating part continuously approaches the Top tight pieces.

Optionally, it further includes a mounting base plate, the rotation base and the tightening base are both fixed to the top surface of the mounting base plate, and at least two positioning blocks are provided on the bottom surface of the mounting base plate.

Optionally, the rotating member includes a clamping section, a straight section and a toggle section, the straight section is substantially linear, and the clamping section and the toggle section are respectively connected to two ends of the straight section.

Optionally, a socket hole is formed on the straight section, and the rotating member is sleeved on the rotating shaft through the socket hole.

Optionally, each of the tightening members is formed with a tightening end, and each tightening end is spaced from and opposite to a corresponding clamping section to form a clamping space between the two. When the toggle section is used, the rotating member may reciprocately rotate around the rotating shaft of the rotating shaft so that the clamping section is close to or away from the tightening end.

Optionally, the toggle section extends from the end of the straight section in a direction away from the tightening base, so that an included angle γ is formed between the toggle section and the straight section.

Optionally, the angle size of the included angle γ is 90°-150°.

Optionally, an inclined section is diagonally connected between the clamping section and the straight section, and the inclined section starts from the end of the straight section and extends in a direction close to the tightening base. The section is connected to the end of the straight section through the inclined section.

Optionally, a vacuum path leading to the respective tightening ends is opened inside each of the tightening members.

Optionally, a corresponding suction port is provided on the surface of each of the tightening members, and a suction port is provided on the opposite end surface of each of the tightening ends and the corresponding clamping section, and each vacuum path runs from one of them. The suction port extends to a corresponding suction port.

Optionally, at least one annular reset accommodating groove is formed on the circumferential surface of the rotating shaft, and the reset accommodating groove is arranged adjacent to the rotating member; the resetting member includes a spring portion, a first torsion arm, and a first torsion arm. Two torsion arms, the first torsion arm and the second torsion arm are respectively connected to the two ends of the spring portion, and each of the reset components is sleeved on the corresponding one of the reset accommodating grooves through the spring portion thereon.

Optionally, a positioning base located between the left upright plate and the right upright plate is provided below the rotating shaft, and the first torsion arm and the second torsion arm act on the rotating member and the positioning base, respectively on.

Optionally, at least one protruding positioning portion is formed on the positioning base, an outwardly protruding reset column is formed near the clamping section of the rotating member, the first torsion arm and the second torsion arm Act on the reset column and the positioning part respectively.

Optionally, a positioning groove adapted to the second torsion arm is formed on the positioning portion, and the second torsion arm is accommodated in the positioning groove.

Optionally, a clamping limit post is provided between the rotating member and the tightening member, so that the minimum distance between the clamping section and the tightening end can be controlled by the Restricted by the clamping limit post.

Optionally, a guide groove for accommodating and guiding the clamping and limiting post is formed on the tightening member; one end of the clamping and limiting post is fixedly connected to the straight section, and the other end is connected to the straight section. The guide grooves are opposite; the clamping and limiting column selectively enters and exits the guide groove during the reciprocating rotation of the rotating member around the axis of the rotating shaft.

Optionally, assuming that the axial thickness of the material is h, and the minimum distance between the clamping section and the tight end is d, then 0.98h≤d≤h.

Optionally, each of the tightening members is provided with a material positioning groove directly below the corresponding one of the clamping spaces, and the material positioning groove is adapted to the side surface of the material.

One of the above-mentioned technical solutions has the following advantages or beneficial effects: because it can keep the materials in a relatively stable position when the materials are loosened, the success rate of the pick-and-place mechanism is improved.

Description of the drawings

Fig. 1 is a perspective view of an upright clamping mechanism according to an embodiment of the present invention;

2 is a perspective view of the upright clamping mechanism according to an embodiment of the present invention from another perspective;

Fig. 3 is a front view of an upright clamping mechanism according to an embodiment of the present invention;

Figure 4 is a left side view of the upright clamping mechanism proposed according to an embodiment of the present invention;

Fig. 5 is a partial perspective view of an upright clamping mechanism according to an embodiment of the present invention;

6 is a perspective view of the rotating shaft, rotating member, positioning base, and resetting component in the upright clamping mechanism proposed according to an embodiment of the present invention;

FIG. 7 is a perspective view of the rotating shaft, the rotating part and the resetting part in the upright clamping mechanism proposed according to an embodiment of the present invention;

8 is a perspective view of the upright clamping mechanism according to an embodiment of the present invention with the reset component hidden;

Figure 9 is a left view of the upright clamping mechanism according to an embodiment of the present invention with the reset component hidden;

10 is a longitudinal cross-sectional view of the upright clamping mechanism according to an embodiment of the present invention with the reset component hidden;

Fig. 11 is a left side view of the rotating member in the upright clamping mechanism proposed according to an embodiment of the present invention.

Detailed ways

The technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of them. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used in all the drawings to indicate the same or similar parts.

In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, etc. are defined relative to the configuration shown in the drawings In particular, "height" is equivalent to the size from top to bottom, "width" is equivalent to the size from left to right, and "depth" is equivalent to the size from front to back. They are relative concepts, so they may be based on It changes accordingly in different positions and different usage states. Therefore, these or other positions should not be interpreted as restrictive terms.

Terms related to attachment, coupling, etc. (for example, "connection" and "attachment") refer to the relationship in which these structures are directly or indirectly fixed or attached to each other through intermediate structures, and the movable or rigid attachment or relationship, unless Other ways are clearly stated.

According to an embodiment of the present invention in conjunction with the illustrations of FIGS. 1 to 4, it can be seen that the upright clamping mechanism 24 includes a rotating base 242 and a tightening base 245 that are arranged opposite and spaced apart, wherein the rotating base 242 includes:

The left vertical plate 2421 and the right vertical plate 2422 are arranged oppositely and spaced apart; and

A rotating shaft 2423 provided between the left vertical plate 2421 and the right vertical plate 2422, at least one rotating member 246 is sleeved on the rotating shaft 2423, and at least one clamping member 2451 is formed on the clamping base 245, Each tightening member 2451 is arranged opposite to a corresponding rotating member 246; the rotating shaft 2423 is provided with a resetting member 2424, and the resetting member 2424 acts on the rotating member 246 so that the rotating member 246 can rotate around the rotating shaft 2423. The axis rotates to make at least part of the rotating member 246 continue to approach the tightening member 2451, thereby continuously clamping the material between the rotating member 246 and the tightening member 2451, such as button batteries, to prevent loosening. In one embodiment, the rotating member 246 is fixedly sleeved on the rotating shaft 2423, and the rotating shaft 2423 is rotatably connected with the left vertical plate 2421 and the right vertical plate 2422, so that when the dial rotating member 246 rotates around the axis of the rotating shaft 2423 , The rotating shaft 2423 can rotate together with the rotating member 246; in this embodiment, the rotating member 246 is rotatably sleeved on the rotating shaft 2423, and the rotating shaft 2423 is fixed between the left vertical plate 2421 and the right vertical plate 2422, so that Toggling the rotating member 246 makes the rotating member 246 rotate around the axis of the rotating shaft 2423.

In the vertical clamping mechanism 24, the restoring force of the reset component 2424 combined with the rotating member 246 presses the cylindrical product from an upright state, so that the cylindrical side of the product can be exposed, which is convenient for performing filming, polishing, and polishing on the cylindrical side of the product. When waiting for work, it can ensure that the product can be fixed and reliable during the movement on the carrier.

3 and 4, it also includes a mounting bottom plate 241, the rotating base 242 and the tightening base 245 are both fixed to the top surface of the mounting bottom plate 241, the bottom surface of the mounting bottom plate 241 is provided with at least two Positioning blocks 244, each positioning block 244 is provided with a clamping positioning slot 2441 on the bottom surface thereof. In one embodiment, the bottom surface of the mounting base plate 241 is provided with a sliding rail adapter block 243, and the positioning blocks 244 are symmetrically provided on both sides of the sliding rail adapter block 243. In a preferred embodiment, the V-shaped positioning block 244 can quickly locate the position of the mounting base plate 241, and the slide rail adapter block 243 can ensure that the mounting base plate 241 moves smoothly on the slide rail and maintains a precise position, and is aligned on the rotation line. Reverse switching improves the efficiency of flexible material turnover.

Next, referring to Figures 10 and 11, one of the implementations of the rotating member 246 is shown in detail. Specifically, the rotating member 246 includes a clamping section 2463, a straight section 2461, and a toggle section 2464. The section 2461 is substantially linear, and the clamping section 2463 and the toggle section 2464 are respectively connected to two ends of the linear section 2461. The rotating member 246 uses a point of the straight section 2461 as a rotating point. When the toggle section 2464 is toggled, the clamping section 2463 can be close to or away from the tightening member 2451.

In one embodiment, a sleeve hole 2462 is formed on the straight section 2461, and the rotating member 246 is sleeved on the rotating shaft 2423 through the sleeve hole 2462.

9, which shows in detail one of the implementation of the tightening member 2451, specifically, each tightening member 2451 is formed with a tightening end 2452, each tightening end 2452 and a corresponding one The clamping sections 2463 are spaced apart and arranged opposite to each other to form a clamping space between the two. When the toggle section 2464 is toggled, the rotating member 246 can be made to reciprocately rotate around the rotating shaft of the rotating shaft 2423 to make the The clamping section 2463 is close to or away from the tightening end 2452.

11 again, the toggle section 2464 extends from the end of the straight section 2461 in a direction away from the tightening base 245, so that the toggle section 2464 is between the straight section 2461 An included angle γ is formed.

Further, the angle size of the included angle γ is 90°-150°. In this embodiment, the angular magnitude of γ is 135°.

11 again, an inclined section 2466 is diagonally connected between the clamping section 2463 and the straight section 2461, and the inclined section 2466 starts from the end of the straight section 2461 and runs along an area close to the tightening base 245. The clamping section 2463 is connected to the end of the straight section 2461 through the inclined section 2466. The inclined section 2466 can make the clamping section 2463 tilt toward the tightening end 2452, so that the tightening end 2452 and the tightening end 2452 are clamped more tightly.

Referring to FIG. 10, the inside of each tightening member 2451 is provided with a vacuum passage 2453 leading to the respective tightening end 2452. In one embodiment, all vacuum air passages 2453 finally converge into a general air passage, and the general air passage is finally connected with the vacuum generator.

Furthermore, the surface of each tightening member 2451 is provided with a corresponding suction port 2453a, and the opposite end surface of each tightening end 2452 and the corresponding clamping section 2463 is provided with a suction port 2453b. The path 2453 extends from one of the suction ports 2453a to the corresponding suction port 2453b.

6 and 7, at least one ring-shaped reset accommodating groove 2423a is formed on the circumferential surface of the rotating shaft 2423, and the reset accommodating groove 2423a is arranged adjacent to the rotating member 246; the resetting member 2424 includes a spring Part 2424a, a first torsion arm 2424b and a second torsion arm 2424c, the first torsion arm 2424b and the second torsion arm 2424c are respectively connected to both ends of the spring part 2424a, and each of the resetting parts 2424 passes therethrough The spring portion 2424a is sleeved on the corresponding one of the reset accommodating grooves 2423a. The reset accommodating groove 2423a can define the position of the spring portion 2424a on the rotating shaft 2423, and prevent the problem of unstable transmission of the restoring force due to the reciprocating movement of the reset member 2424 on the rotating shaft 2423.

Further, a positioning base 2425 located between the left upright plate 2421 and the right upright plate 2422 is provided below the rotating shaft 2423, and the first torsion arm 2424b and the second torsion arm 2424c act on the rotation respectively. On the member 246 and the positioning base 2425, the rotating member 246 and the positioning base 2425 are used to receive the restoring force from the first torsion arm 2424b and the second torsion arm 2424c, respectively.

In one embodiment, at least one protruding positioning portion 2425a is formed on the positioning base 2425, and an outwardly protruding reset post 2464 is formed near the clamping section 2463 of the rotating member 246, and the first The torsion arm 2424b and the second torsion arm 2424c act on the resetting column 2464 and the positioning portion 2425a, respectively, and the resetting column 2464 and the positioning portion 2425a are used to receive the first torsion arm 2424b and the second torsion arm 2424c, respectively.

Further, a positioning groove 2425b corresponding to the second torsion arm 2424c is formed on the positioning portion 2425a, and the second torsion arm 2424c is received in the positioning groove 2425b. The positioning groove 2425b can prevent the second torsion arm 2424c from sliding or moving.

9 and 10, a clamping limit post 2467 located between the rotating member 246 and the tightening member 2451 is provided between the rotating member 246 and the tightening member 2451. When the rotating member 246 and the tightening member 2451 are close to each other, the clamping limit The position post 2467 can be held between the rotating member 246 and the tightening member 2451, so that the minimum distance between the clamping section 2463 and the tightening end 2452 can be restricted by the clamping limit post 2467.

Further, a guide groove 2454 for accommodating and guiding the clamping and limiting post 2467 is formed on the tightening member 2451; one end of the clamping and limiting post 2467 is fixed to the straight section 2461, and the other One end is opposite to the guide groove 2454; the clamping and limiting post 2467 selectively enters and exits the guide groove 2454 during the reciprocating rotation of the rotating member 246 around the axis of the rotating shaft 2423.

Further, assuming that the axial thickness of the material is h, and the minimum distance between the clamping section 2463 and the tightening end 2452 is d, then 0.98h≤d≤h. In this embodiment, in order to make the material clamped tighter without being damaged, d=0.99h can be set.

Referring to FIG. 5, each of the tightening members 2451 is provided with a material positioning groove 2455 located directly below the corresponding one of the clamping spaces, and the material positioning groove 2455 is adapted to the side surface of the material. The material positioning groove 2455 can be used to hold the side of the material, so that the material can be at least partially positioned on the side, and cooperate with the vacuum air path 2454 opened in the tight end 2452 to prevent the material from losing the grip between the clamping section 2463 and the top tight end 2452. After the clamping action, its position in the clamping space cannot be determined, thereby improving the pick-and-place accuracy of the pick-and-place mechanism and the stability during the pick-and-place process.

The number of equipment and the processing scale described here are used to simplify the description of the present invention. The applications, modifications and changes to the present invention are obvious to those skilled in the art.

Although the embodiments of the present invention have been disclosed as above, they are not limited to the applications listed in the specification and embodiments. It can be applied to various fields suitable for the present invention. For those skilled in the art, it can be easily Other modifications are implemented, so without departing from the general concept defined by the claims and equivalent scope, the present invention is not limited to the specific details and the legends shown and described here.

Claims

An upright clamping mechanism, characterized in that it comprises a rotating base (242) and a tightening base (245) which are arranged oppositely and spaced apart, wherein the rotating base (242) comprises:

The left vertical plate (2421) and the right vertical plate (2422) arranged oppositely and spaced apart; and

A rotating shaft (2423) arranged between the left vertical plate (2421) and the right vertical plate (2422), the rotating shaft (2423) is sleeved with at least one rotating member (246), and the jacking base ( At least one tightening member (2451) is formed on the 245), and each tightening member (2451) is arranged opposite to a corresponding rotating member (246); the rotating shaft (2423) is provided with a resetting member (2424), and The reset component (2424) acts on the rotating member (246) so that the rotating member (246) can rotate around the axis of the rotating shaft (2423) so that at least part of the rotating member (246) continues to approach the top tightening Pieces (2451).
The upright clamping mechanism according to claim 1, wherein the upright clamping mechanism further comprises a mounting base (241), and the rotating base (242) and the jacking base (245) are both fixedly connected to At least two positioning blocks (244) are provided on the top surface of the installation bottom plate (241) and the bottom surface of the installation bottom plate (241).
The upright clamping mechanism according to claim 1, wherein the rotating member (246) comprises a clamping section (2463), a straight section (2461) and a toggle section (2464), the straight section (2461) ) Is roughly linear, and the clamping section (2463) and the toggle section (2464) are respectively connected to two ends of the linear section (2461).
The upright clamping mechanism according to claim 3, wherein a sleeve hole (2462) is formed on the straight section (2461), and the rotating member (246) is sleeved through the sleeve hole (2462). Set on the rotating shaft (2423).
The upright clamping mechanism according to claim 3, wherein each of the tightening members (2451) is formed with a tightening end (2452), and each tightening end (2452) is connected to a corresponding clamp The holding sections (2463) are spaced apart and arranged opposite to each other to form a clamping space between the two. When the toggle section (2464) is toggled, the rotating member (246) can rotate around the shaft (2423). The rotating shaft reciprocally rotates so that the clamping section (2463) is close to or away from the tightening end (2452).
The upright clamping mechanism of claim 3, wherein the toggle section (2464) starts from the end of the straight section (2461) along a direction away from the tightening base (245) Extend, so that an included angle γ is formed between the toggle section (2464) and the straight section (2461).
The upright clamping mechanism according to claim 6, wherein the angle size of the included angle γ is 90°-150°.
The upright clamping mechanism according to claim 3, characterized in that, an inclined section (2466) is diagonally connected between the clamping section (2463) and the straight section (2461), and the inclined section (2466) punches The end of the straight section (2461) extends along the direction close to the tightening base (245), and the clamping section (2463) is connected to the straight section (2461) through the inclined section (2466). ) At the end.
The upright clamping mechanism according to claim 5, characterized in that, inside each of the tightening members (2451) is provided with a vacuum path (2453) leading to the respective tightening ends (2452).
The upright clamping mechanism according to claim 9, characterized in that, a corresponding suction port (2453a) is opened on the surface of each of the tightening members (2451), and each of the tightening ends (2452) is connected to the corresponding A suction port (2453b) is opened on the opposite end surface of a clamping section (2463), and each vacuum path (2453) extends from one of the suction ports (2453a) to a corresponding suction port (2453b).
The upright clamping mechanism according to claim 3, characterized in that, at least one annular reset receiving groove (2423a) is opened on the circumferential surface of the rotating shaft (2423), and the reset receiving groove (2423a) is connected to the The rotating members (246) are arranged adjacent to each other; the resetting member (2424) includes a spring portion (2424a), a first torsion arm (2424b) and a second torsion arm (2424c), the first torsion arm (2424b) and The second torsion arm (2424c) is respectively connected to the two ends of the spring portion (2424a), and each of the reset components (2424) is sleeved in the corresponding one of the reset accommodating grooves ( 2423a) on.
The upright clamping mechanism according to claim 11, characterized in that, a positioning base (2425) located between the left vertical plate (2421) and the right vertical plate (2422) is provided below the rotating shaft (2423). ), the first torsion arm (2424b) and the second torsion arm (2424c) act on the rotating member (246) and the positioning base (2425) respectively.
The upright clamping mechanism according to claim 12, characterized in that, at least one raised positioning portion (2425a) is formed on the positioning base (2425), and the clamping section (2425a) of the rotating member (246) is formed on the positioning base (2425). 2463) is formed with an outwardly protruding reset post (2464), the first torsion arm (2424b) and the second torsion arm (2424c) act on the reset post (2464) and the positioning portion (2425a) respectively .
The upright clamping mechanism of claim 13, wherein the positioning portion (2425a) is formed with a positioning groove (2425b) adapted to the second torsion arm (2424c), and the second torsion arm (2424c) is formed with a positioning groove (2425b). The arm (2424c) is received in the positioning groove (2425b).
The upright clamping mechanism according to claim 5, wherein a clamping limit post (2467) is provided between the rotating member (246) and the top tightening member (2451). , So that the minimum distance between the clamping section (2463) and the tightening end (2452) can be restricted by the clamping limit post (2467).
The upright clamping mechanism according to claim 15, characterized in that, a guide groove (2454) for accommodating and guiding the clamping limit post (2467) is formed on the pressing member (2451); the One end of the clamping limit post (2467) is fixed to the straight section (2461), and the other end is opposite to the guide groove (2454); the clamping limit post (2467) is rotating with the rotation During the reciprocating rotation of the member (246) around the axis of the rotating shaft (2423), it selectively enters and exits the guide groove (2454).
The upright clamping mechanism according to claim 15, characterized in that, assuming that the axial thickness of the material is h and the minimum distance between the clamping section (2463) and the tight end (2452) is d, then 0.98h≤d≤h.
The upright clamping mechanism according to claim 5, characterized in that, each of the tightening members (2451) is provided with a material positioning groove (2455) directly below the corresponding one of the clamping spaces, and the The material positioning groove (2455) is adapted to the side of the material.