Self-adaptive vacuum adsorption lifting mechanism

Abstract

The invention provides a self-adaptive vacuum adsorption lifting mechanism, and relates to the technical field of vacuum adsorption lifting mechanisms, the self-adaptive vacuum adsorption lifting mechanism comprises four supports, an adjusting structure, a mounting structure and a connecting structure, the upper ends of the four supports are fixedly connected with the same fixing frame, and an adjusting lifting assembly is mounted on the surface of the fixing frame; the lower end of the adjusting and lifting assembly is fixedly connected with a connecting piece, a bottom plate is arranged below the connecting piece, a plurality of vacuum suction cups are installed in the bottom plate, a connecting frame is arranged below the fixing frame, a plurality of air cylinders are arranged on the upper surface of the bottom plate, and two connecting pipes are installed at the output ends of the air cylinders. The end, away from the air cylinder, of the connecting pipe is fixedly connected with the vacuum chuck. The vacuum suction lifting mechanism has the beneficial effects that the positions of the vacuum suction cups can be conveniently and rapidly adjusted, parallel suction and vertical suction of the vacuum suction cups can be adjusted according to different objects, and the adaptability of the vacuum suction lifting mechanism is greatly improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of vacuum suction lifting mechanism, and particularly relates to a self-adaptive vacuum suction lifting mechanism. BACKGROUND

[0002] The vacuum suction lifting mechanism is a material handling tool commonly used in automatic production lines and robot grabbing systems. It creates a vacuum (negative pressure) to make the suction cup tightly adhere to the surface of the object being transported, thereby achieving the purpose of lifting and transporting the object. The core advantage of the vacuum suction lifting mechanism lies in its ability to handle irregular, fragile or smooth-surfaced objects, especially in precision workpieces and scenarios requiring flexible operation.

[0003] The prior art such as the patent with the announcement number CN112192475A discloses an aluminum single plate self-adjusting vacuum suction platform. The patent adopts a supporting upper platform mechanism. The bottom of the supporting upper platform mechanism is fixedly installed with a supporting lower platform mechanism. A plurality of corner positioning limiting mechanisms are fixedly installed between the supporting upper platform mechanism and the supporting lower platform mechanism. The supporting upper platform mechanism includes an upper supporting aluminum single plate vacuum suction platform. The inside of the upper supporting aluminum single plate vacuum suction platform is provided with a first vacuum centrally located air pressure cavity. The present application sets the supporting upper platform mechanism and the supporting lower platform mechanism. The sealing rubber ring is inserted into the outer wall of the annular sealing clamping ring layer to form a sealed environment. The upper supporting aluminum single plate vacuum suction platform is rotated around the first outer supporting rubber limiting ring. The process of sealing and rotating the product is completed, and the convenience of the product and the upper supporting aluminum single plate vacuum suction platform rotating at a fixed angle is effectively improved.

[0004] The inventor finds in use that the existing vacuum suction lifting mechanism can only parallel or vertically suction objects. Therefore, the type of goods needs to be considered when using the vacuum suction lifting mechanism. Moreover, when different goods are targeted, it is difficult to adjust the suction cup because the position of the suction cup is relatively fixed when different objects are suctioned, resulting in the problem that the vacuum suction lifting mechanism has certain limitations when used. SUMMARY

[0005] The present application aims to solve the problem of the prior art that the vacuum suction cup cannot be quickly adjusted, and proposes a self-adaptive vacuum suction lifting mechanism.

[0006] In order to achieve the above object, the present application adopts the following technical scheme: An adaptive vacuum adsorption lifting mechanism, comprising four supports, an adjusting structure, a mounting structure and a connecting structure, the upper ends of the four supports are fixedly connected with a same fixed frame, the surface of the fixed frame is provided with an adjusting lifting assembly, the lower end of the adjusting lifting assembly is fixedly connected with a connecting piece, the lower side of the connecting piece is provided with a bottom plate, the inside of the bottom plate is provided with a plurality of vacuum suction cups, the lower side of the fixed frame is provided with a connecting frame, the upper surface of the bottom plate is provided with a plurality of air cylinders, the output ends of the air cylinders are provided with two connecting pipes, the ends of the connecting pipes away from the air cylinders are fixedly connected with the vacuum suction cups, and the lower end of the connecting frame is provided with the adjusting structure.

[0007] Preferably, the adjusting structure comprises two connecting rails, both of which are fixedly connected with the connecting frame, the inner wall of the connecting rail is slidably connected with two sliding blocks, the sliding blocks are fixedly connected with the bottom plate, the lower surface of the connecting rail is fixedly connected with two vertical rails, both of which are in communication with the connecting rail, the upper surface of the connecting rail is provided with two convex plates, both of which are in communication with the connecting rail, the inside of the connecting rail is fixedly connected with a resisting block, the upper surface of the sliding block is fixedly connected with a connecting plate, the inner wall of the end of the connecting plate away from the sliding block is threadedly connected with a screw rod, and the screw rod abuts against the connecting rail.

[0008] With the preferred scheme, when the position of the vacuum suction cup needs to be adjusted, the screw rod is rotated to move, the screw rod is loosened with the connecting rail, then the connecting plate is pulled to move, the connecting plate drives the sliding block and the screw rod to move, the sliding block slides on the inner wall of the connecting rail, the sliding block drives the bottom plate to move, the bottom plate drives the vacuum suction cup and the air cylinder to move, after moving to the appropriate position, the screw rod is screwed to fix, when the vacuum adsorption mode needs to be changed, the sliding block is pulled to move, after the sliding block moves to a certain position, the sliding block abuts against the resisting block, then the resisting block drives the sliding block to tilt, then the sliding block enters the inside of the convex plate, then the sliding block falls into the vertical rail, then the connecting plate is pulled to drive the screw rod to slide on the inner wall of the sliding block, then after moving into the vertical rail, the screw rod is reset, then the bottom plate and the air cylinder are erected with the vacuum suction cup, and then the screw rod is screwed to fix.

[0009] Preferably, the upper end of the screw rod is fixedly connected with a rotating plate, and the cross section of the rotating plate is in the shape of a plum blossom.

[0010] With the preferred scheme, when the screw rod needs to be rotated, the rotating plate can be directly rotated to drive the screw rod to rotate, and the rotating plate makes it more convenient to rotate the screw rod.

[0011] Preferably, the lower end of the screw rod is fixedly connected with an anti-skid pad, and the anti-skid pad is a rubber pad.

[0012] Adopting the preferred scheme, the anti-skid pad can increase the friction between the screw rod and the connecting rail, avoiding the sliding of the screw rod and the connecting rail when they are abutted and fixed.

[0013] Preferably, the abutting block is a stainless steel block, and the inclination angle of the abutting block is 45°.

[0014] Preferably, the inside of the connecting frame is provided with a mounting structure, the mounting structure includes four fixed rods, the four fixed rods are divided into two groups, the two groups of fixed rods are fixedly connected with the connecting frame, one end of the fixed rods close to each other is fixedly connected with a connecting frame, the inner wall of the connecting frame is provided with a servo motor, the output end of the servo motor is fixedly connected with a lead screw, the arc surface of the lead screw is threadedly connected with a threaded ring, the arc surface of the threaded ring is fixedly connected with a sliding plate, the inner wall of one end of the sliding plate away from the threaded ring is slidably connected with a circular rod, the circular rod is fixedly connected with the connecting frame, one side of the sliding plate away from the servo motor is fixedly connected with a connecting rod, one end of the connecting rod away from the sliding plate is fixedly connected with a frame plate, and the frame plate is abutted with the connecting piece.

[0015] Adopting the preferred scheme, when it is necessary to connect the connecting piece with the connecting frame, the connecting piece below is aligned with the frame plate, and then the servo motor is started to operate, the servo motor drives the lead screw to rotate, the lead screw drives the threaded ring to move, the threaded ring drives the sliding plate to move, the sliding plate slides on the arc surface of the circular rod, the sliding plate drives the connecting rod to move, and the connecting rod drives the frame plate to move, and then the frame plate is abutted and fixed with the connecting piece.

[0016] Preferably, the inside of the frame plate is fixedly connected with a plurality of positioning rods, the plurality of positioning rods are evenly distributed on the frame plate, and the positioning rods are slidably connected with the connecting piece.

[0017] Adopting the preferred scheme, the positioning rods can further increase the connection relationship between the frame plate and the connecting piece, and the stability of the connection between the connecting piece and the frame plate can be increased.

[0018] Preferably, the inner wall of the bottom plate is provided with a connecting structure, the connecting structure includes two sliding grooves, the two sliding grooves are formed in the bottom plate, the inner wall of the sliding groove is slidably connected with two adjusting rods, the arc surface of the upper end of the adjusting rod is fixedly connected with a connecting ring, one side of the two connecting rings away from each other is fixedly connected with an auxiliary rod, one side of the two auxiliary rods close to each other is fixedly connected with a plurality of connecting frames, the two ends of the connecting frame are fixedly connected with a magnetic sheet, the upper end of the adjusting rod is slidably connected with a mounting rod, and the connecting frame is clamped with the air cylinder.

[0019] Adopting the preferred scheme, when the air cylinder needs to be installed and fixed, the adjusting rod is pulled to move, the adjusting rod slides on the inner wall of the sliding groove, the adjusting rod drives the connecting ring to move, the connecting ring drives the auxiliary rod to move, the auxiliary rod drives the adapter frame to move, the adapter frame drives the magnetic sheet to move, then the adapter frame is clamped with the air cylinder, then the two magnetic sheets are adsorbed and fixed, then the installation rod is pulled to move, the installation rod is aligned with the adjusting rod, and the installation rod is inserted into the adjusting rod for fixation.

[0020] Preferably, the inner wall of the sliding groove is fixedly connected with a limiting rod, and the limiting rod is in sliding connection with the adjusting rod.

[0021] Adopting the preferred scheme, the limiting rod can limit the adjusting rod, so that the adjusting rod is prevented from deviating during use, and the stability of the sliding of the adjusting rod is improved.

[0022] Preferably, the inner wall of the adapter frame is fixedly connected with an elastic pad, and the cross section of the elastic pad is in the shape of "U".

[0023] Adopting the preferred scheme, the elastic force of the elastic pad can increase the friction between the adapter frame and the air cylinder, so that the air cylinder is prevented from sliding when being connected with the adapter frame.

[0024] Compared with the prior art, the application has the advantages and positive effects that, 1、In the application, by arranging the adjusting structure, the existing vacuum adsorption lifting mechanism can only adsorb articles in parallel or vertically, so when the vacuum adsorption lifting mechanism is used, the types of goods need to be considered, and when different goods are used, because the position of the suction cup is fixed, it is difficult to adjust when different articles are adsorbed, which leads to certain limitations of the vacuum adsorption lifting mechanism when used, the device not only can quickly adjust the position of the vacuum cup, but also can adjust the parallel adsorption and vertical adsorption of the vacuum cup according to different articles, greatly improving the adaptability of the vacuum adsorption lifting mechanism.

[0025] 2、In the application, by arranging the mounting structure, the vacuum adsorption device can be quickly connected with the lifting structure, and the vacuum adsorption device can be conveniently disassembled for positioning, maintenance and repair.

[0026] 3、In the application, by arranging the connecting structure, the air cylinder can be quickly installed and disassembled, avoiding the damage of a single air cylinder affecting the overall use, and greatly improving the stability of the vacuum cup. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 A three-dimensional structure schematic diagram of a self-adaptive vacuum adsorption lifting mechanism is provided for the application. Figure 2 This invention presents a partial structural schematic diagram of an adaptive vacuum adsorption lifting mechanism; Figure 3 A schematic diagram of the adjustment structure of an adaptive vacuum adsorption lifting mechanism is provided for this invention; Figure 4 This invention proposes an adaptive vacuum adsorption lifting mechanism. Figure 4 Enlarged view of point A; Figure 5 This invention proposes an adaptive vacuum adsorption lifting mechanism. Figure 4 Enlarged view of point B; Figure 6 A schematic diagram of the installation structure of an adaptive vacuum adsorption lifting mechanism is provided for this invention; Figure 7 This invention proposes an adaptive vacuum adsorption lifting mechanism. Figure 6 Enlarged view of point C; Figure 8 This invention provides a schematic diagram of the connection structure of an adaptive vacuum adsorption lifting mechanism; Figure 9 This invention proposes an adaptive vacuum adsorption lifting mechanism. Figure 8 Enlarged view of point D.

[0028] Legend: 1. Bracket; 2. Fixing frame; 3. Adjustment and lifting assembly; 4. Connector; 5. Connecting frame; 6. Vacuum suction cup; 7. Adjustment structure; 701. Connecting rail; 702. Abutment block; 703. Vertical rail; 704. Slider; 705. Connecting plate; 706. Rotating plate; 707. Screw; 708. Anti-slip pad; 709. Slide rod; 710. Protruding plate; 8. Installation structure; 801. Fixing rod; 802. Connecting frame; 803. Servo motor; 804. Lead screw; 805. Round rod; 806. Slide plate; 807. Threaded ring; 808. Positioning rod; 809. Frame plate; 810. Connecting rod; 9. Connecting structure; 91. Slide groove; 92. Limiting rod; 93. Mounting rod; 94. Adjusting rod; 95. Auxiliary rod; 96. Connecting frame; 97. Connecting ring; 98. Elastic pad; 99. Magnetic sheet; 10. Base plate; 11. Cylinder; 12. Connecting pipe. Detailed Implementation

[0029] To better understand the above-mentioned objectives, features, and advantages of the present invention, the present invention will be further described below in conjunction with the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0030] Numerous specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways than those described herein, and therefore the invention is not limited to the specific embodiments disclosed in the following specification.

[0031] Example 1, such as Figures 1-9 As shown, the present invention provides an adaptive vacuum adsorption lifting mechanism, including four supports 1, an adjustment structure 7, an installation structure 8, and a connecting structure 9. The upper ends of the four supports 1 are fixedly connected to the same fixed frame 2. An adjustment and lifting component 3 is installed on the surface of the fixed frame 2. A connector 4 is fixedly connected to the lower end of the adjustment and lifting component 3. A base plate 10 is provided below the connector 4. Several vacuum suction cups 6 are installed inside the base plate 10. A connecting frame 5 is provided below the fixed frame 2. Several cylinders 11 are provided on the upper surface of the base plate 10. Two connecting pipes 12 are installed at the output end of the cylinders 11. The end of the connecting pipe 12 away from the cylinder 11 is fixedly connected to the vacuum suction cup 6. The lower end of the connecting frame 5 is provided with the adjustment structure 7. The interior of the connecting frame 5 is provided with the installation structure 8. The inner wall of the base plate 10 is provided with the connecting structure 9.

[0032] The following section will explain the specific settings and functions of its adjustment structure 7, installation structure 8, and connection structure 9.

[0033] like Figures 3 to 5As shown, the adjusting structure 7 comprises two connecting rails 701, both of which are fixedly connected with the connecting frame 5, the inner wall of the connecting rail 701 is slidably connected with two sliding blocks 704, the sliding block 704 is fixedly connected with the bottom plate 10, the lower surface of the connecting rail 701 is fixedly connected with two vertical rails 703, both of which are in communication with the connecting rail 701, the upper surface of the connecting rail 701 is provided with two convex plates 710, both of which are in communication with the connecting rail 701, the inside of the connecting rail 701 is fixedly connected with a resisting block 702, the upper surface of the sliding block 704 is fixedly connected with a connecting plate 705, the inner wall of the end of the connecting plate 705 away from the sliding block 704 is threadedly connected with a screw rod 707, and the screw rod 707 is in abutment with the connecting rail 701. When it is necessary to adjust the position of the vacuum chuck 6, the screw rod 707 is rotated to move, the screw rod 707 is loosened with the connecting rail 701, then the connecting plate 705 is pulled to move, the connecting plate 705 drives the sliding block 704 and the screw rod 707 to move, the sliding block 704 slides on the inner wall of the connecting rail 701, the sliding block 704 drives the bottom plate 10 to move, and the bottom plate 10 drives the vacuum chuck 6 and the air cylinder 11 to move. After moving to the appropriate position, the screw rod 707 is tightened to fix, when it is necessary to change the vacuum adsorption mode, the sliding block 704 is pulled to move, the sliding block 704 is in abutment with the resisting block 702 after moving to a certain position, then the resisting block 702 drives the sliding block 704 to tilt, then the sliding block 704 enters the inside of the convex plate 710, then the sliding block 704 falls into the vertical rail 703, then the connecting plate 705 drives the sliding rod 709 to slide on the inner wall of the sliding block 704, then the sliding rod 709 is reset after moving into the vertical rail 703, then the bottom plate 10 and the air cylinder 11 are erected with the vacuum chuck 6, and then the screw rod 707 is tightened to fix. The upper end of the screw rod 707 is fixedly connected with a rotating plate 706, and the cross section of the rotating plate 706 is in the shape of plum blossom. When it is necessary to rotate the screw rod 707, the rotating plate 706 can be directly rotated, the rotating plate 706 drives the screw rod 707 to rotate, and the rotating plate 706 makes it more convenient to rotate the screw rod 707. The lower end of the screw rod 707 is fixedly connected with a non-slip pad 708 which is a rubber pad. The non-slip pad 708 can increase the friction between the screw rod 707 and the connecting rail 701, so as to avoid sliding when the screw rod 707 is in abutment with the connecting rail 701 for fixing. The resisting block 702 is a stainless steel block, and the inclination angle of the resisting block 702 is 45°.

[0034] The whole adjusting structure 7 can not only conveniently and quickly adjust the position of the vacuum chuck 6, but also adjust the parallel adsorption and vertical adsorption of the vacuum chuck 6 according to different objects, thereby greatly improving the adaptability of the vacuum adsorption lifting mechanism.

[0035] As Figure 6 and Figure 7As shown, the mounting structure 8 comprises four fixed rods 801, the four fixed rods 801 are divided into two groups, the two groups of fixed rods 801 are fixedly connected with the connecting frame 5, one end of the fixed rods 801 close to each other is fixedly connected with a connecting frame 802, the inner wall of the connecting frame 802 is provided with a servo motor 803, the output end of the servo motor 803 is fixedly connected with a lead screw 804, the arc surface of the lead screw 804 is threadedly connected with a threaded ring 807, the arc surface of the threaded ring 807 is fixedly connected with a sliding plate 806, the inner wall of the end of the sliding plate 806 away from the threaded ring 807 is slidably connected with a round rod 805, the round rod 805 is fixedly connected with the connecting frame 5, one side of the sliding plate 806 away from the servo motor 803 is fixedly connected with a connecting rod 810, one end of the connecting rod 810 away from the sliding plate 806 is fixedly connected with a frame plate 809, and the frame plate 809 abuts against the connecting piece 4. When it is necessary to connect the connecting piece 4 and the connecting frame 5, the connecting piece 4 below is aligned with the frame plate 809, then the servo motor 803 is started to operate, the servo motor 803 drives the lead screw 804 to rotate, the lead screw 804 drives the threaded ring 807 to move, the threaded ring 807 drives the sliding plate 806 to move, the sliding plate 806 slides on the arc surface of the round rod 805, the sliding plate 806 drives the connecting rod 810 to move, the connecting rod 810 drives the frame plate 809 to move, then the frame plate 809 is abutted and fixed with the connecting piece 4, a plurality of positioning rods 808 are fixedly connected in the frame plate 809, the plurality of positioning rods 808 are evenly distributed on the frame plate 809, and the positioning rods 808 are slidably connected with the connecting piece 4. The positioning rods 808 can further increase the connection relationship between the frame plate 809 and the connecting piece 4, and can increase the stability of the connection between the connecting piece 4 and the frame plate 809.

[0036] The whole mounting structure 8 can conveniently and quickly connect the vacuum adsorption device and the lifting structure, and can conveniently disassemble the vacuum adsorption device for positioning, maintenance and repair.

[0037] As Figure 8 and Figure 9As shown, the connecting structure 9 comprises two sliding grooves 91, both of which are formed on the bottom plate 10, the inner wall of the sliding groove 91 is slidably connected with two adjusting rods 94, the upper end of the adjusting rod 94 is fixedly connected with a connecting ring 97, the side of the two connecting rings 97 away from each other is fixedly connected with an auxiliary rod 95, the side of the two auxiliary rods 95 close to each other is fixedly connected with a plurality of link frames 96, both ends of the link frame 96 are fixedly connected with a magnetic sheet 99, the upper end of the adjusting rod 94 is slidably connected with a mounting rod 93, and the link frame 96 is clamped with the air cylinder 11. When it is necessary to install and fix the air cylinder 11, pull the adjusting rod 94 to move, the adjusting rod 94 slides on the inner wall of the sliding groove 91, the adjusting rod 94 drives the connecting ring 97 to move, the connecting ring 97 drives the auxiliary rod 95 to move, the auxiliary rod 95 drives the link frame 96 to move, the link frame 96 drives the magnetic sheet 99 to move, then the link frame 96 is clamped with the air cylinder 11, then the two magnetic sheets 99 are adsorbed and fixed, then pull the mounting rod 93 to move, align the mounting rod 93 with the adjusting rod 94, insert the mounting rod 93 into the adjusting rod 94 for fixation, the inner wall of the sliding groove 91 is fixedly connected with a limiting rod 92, and the limiting rod 92 is slidably connected with the adjusting rod 94. The limiting rod 92 can limit the adjusting rod 94 to avoid deviation of the adjusting rod 94 during use, thereby improving the stability of the sliding of the adjusting rod 94, and the inner wall of the link frame 96 is fixedly connected with an elastic pad 98, and the cross section of the elastic pad 98 is "U" shaped. The elastic force of the elastic pad 98 can increase the friction between the link frame 96 and the air cylinder 11, so that the air cylinder 11 and the link frame 96 are connected without sliding.

[0038] The whole connecting structure 9 can quickly install and disassemble the air cylinder 11, avoid the damage of a single air cylinder 11 affecting the overall use, and greatly improve the stability of the vacuum chuck 6.

[0039] The working principle of the whole is that when the position of the vacuum chuck 6 needs to be adjusted, the screw rod 707 is rotated to move, the screw rod 707 is loosened with the connecting rail 701, then the connecting plate 705 is pulled to move, the connecting plate 705 drives the sliding block 704 and the screw rod 707 to move, the sliding block 704 slides on the inner wall of the connecting rail 701, the sliding block 704 drives the bottom plate 10 to move, the bottom plate 10 drives the vacuum chuck 6 and the air cylinder 11 to move, after moving to the appropriate position, the screw rod 707 is screwed to fix, when the vacuum adsorption mode needs to be changed, the sliding block 704 is pulled to move, the sliding block 704 is abutted with the abutting block 702 after moving to a certain position, then the abutting block 702 drives the sliding block 704 to tilt, then the sliding block 704 enters the inside of the convex plate 710, then the sliding block 704 falls into the vertical rail 703, then the connecting plate 705 is pulled to drive the sliding rod 709 to slide on the inner wall of the sliding block 704, then after moving to the vertical rail 703, the sliding rod 709 is reset, then the bottom plate 10 and the air cylinder 11 are erected with the vacuum chuck 6, and then the screw rod 707 is screwed to fix, when the screw rod 707 needs to be rotated, the rotating plate 706 can be directly rotated, the rotating plate 706 drives the screw rod 707 to rotate, the rotating plate 706 makes it more convenient to rotate the screw rod 707, and the non-slip pad 708 can increase the friction between the screw rod 707 and the connecting rail 701, so that the screw rod 707 and the connecting rail 701 are prevented from sliding when being abutted and fixed.

[0040] When the connecting piece 4 needs to be connected with the connecting frame 5, the connecting piece 4 below is aligned with the frame plate 809, then the servo motor 803 is started to rotate, the servo motor 803 drives the lead screw 804 to rotate, the lead screw 804 drives the threaded ring 807 to move, the threaded ring 807 drives the sliding plate 806 to move, the sliding plate 806 slides on the arc surface of the round rod 805, the sliding plate 806 drives the connecting rod 810 to move, the connecting rod 810 drives the frame plate 809 to move, then the frame plate 809 is abutted and fixed with the connecting piece 4, the positioning rod 808 can further increase the connection relationship between the frame plate 809 and the connecting piece 4, and can increase the stability of the connection between the connecting piece 4 and the frame plate 809.

[0041] When the air cylinder 11 needs to be installed and fixed, the adjusting rod 94 is pulled to move, the adjusting rod 94 slides on the inner wall of the sliding groove 91, the adjusting rod 94 drives the connecting ring 97 to move, the connecting ring 97 drives the auxiliary rod 95 to move, the auxiliary rod 95 drives the connecting frame 96 to move, the connecting frame 96 drives the magnetic sheet 99 to move, then the connecting frame 96 is clamped with the air cylinder 11, then the two magnetic sheets 99 are adsorbed and fixed, then the mounting rod 93 is pulled to move, the mounting rod 93 is aligned with the adjusting rod 94, the mounting rod 93 is inserted into the adjusting rod 94 to be fixed, the limiting rod 92 can limit the adjusting rod 94, so that the adjusting rod 94 is prevented from deviating during use, and the stability of the sliding of the adjusting rod 94 is improved, and the elasticity of the elastic pad 98 can increase the friction between the connecting frame 96 and the air cylinder 11, so that the air cylinder 11 is prevented from sliding when being connected with the connecting frame 96.

[0042] The above is only a preferred embodiment of the present application, and does not limit the present application in other forms. Any person skilled in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above embodiments without departing from the technical solution of the present application, according to the technical essence of the present application, still belongs to the protection scope of the technical solution of the present application.

Claims

1. An adaptive vacuum suction lifting mechanism, comprising four supports (1), an adjusting structure (7), a mounting structure (8) and a connecting structure (9), characterized in that: The upper end of four supports (1) is fixedly connected with the same fixed frame (2), the surface of the fixed frame (2) is provided with an adjusting and lifting assembly (3), the lower end of the adjusting and lifting assembly (3) is fixedly connected with a connecting piece (4), the lower side of the connecting piece (4) is provided with a bottom plate (10), the inside of the bottom plate (10) is provided with a plurality of vacuum suction cups (6), the lower side of the fixed frame (2) is provided with a connecting frame (5), the upper surface of the bottom plate (10) is provided with a plurality of air cylinders (11), the output end of the air cylinder (11) is provided with two connecting pipes (12), the end, away from the air cylinder (11), of the connecting pipe (12) is fixedly connected with the vacuum suction cup (6), and the lower end of the connecting frame (5) is provided with an adjusting structure (7).

2. The self-adapting vacuum suction lifting mechanism according to claim 1, wherein: The adjusting structure (7) comprises two connecting rails (701), both the connecting rails (701) are fixedly connected with the connecting frame (5), the inner wall of the connecting rail (701) is slidably connected with two sliding blocks (704), the sliding block (704) is fixedly connected with the bottom plate (10), the lower surface of the connecting rail (701) is fixedly connected with two vertical rails (703), both the vertical rails (703) are connected with the connecting rail (701), the upper surface of the connecting rail (701) is provided with two convex plates (710), both the convex plates (710) are connected with the connecting rail (701), the inside of the connecting rail (701) is fixedly connected with a resisting block (702), the upper surface of the sliding block (704) is fixedly connected with a connecting plate (705), the inner wall of the end, away from the sliding block (704), of the connecting plate (705) is threadedly connected with a screw rod (707), and the screw rod (707) abuts against the connecting rail (701).

3. The self-adapting vacuum suction lifting mechanism according to claim 2, wherein: The upper end of the screw rod (707) is fixedly connected with a rotating plate (706), and the cross section of the rotating plate (706) is in the shape of plum blossom.

4. The self-adapting vacuum suction lifting mechanism according to claim 2, wherein: The lower end of the screw rod (707) is fixedly connected with an antiskid pad (708), and the antiskid pad (708) is a rubber pad.

5. The self-adapting vacuum suction lifting mechanism according to claim 2, wherein: The resisting block (702) is a stainless steel block, and the inclination angle of the resisting block (702) is 45°. The upper end of the screw rod (707) is fixedly connected with a rotating plate (706), and the cross section of the rotating plate (706) is in the shape of plum blossom.

6. The self-adapting vacuum suction lifting mechanism according to claim 1, wherein: The inside of the connecting frame (5) is provided with a mounting structure (8), the mounting structure (8) comprises four fixed rods (801), four fixed rods (801) are divided into a group two by two, two groups of fixed rods (801) are fixedly connected with the connecting frame (5), and one end of the fixed rod (801) close to each other is fixedly connected with a connecting frame (802), the inner wall of the connecting frame (802) is provided with a servo motor (803), the output end of the servo motor (803) is fixedly connected with a lead screw (804), the arc surface of the lead screw (804) is threadedly connected with a threaded ring (807), the arc surface of the threaded ring (807) is fixedly connected with a sliding plate (806), the inner wall of one end of the sliding plate (806) away from the threaded ring (807) is slidably connected with a circular rod (805), the circular rod (805) is fixedly connected with the connecting frame (5), and the side of the sliding plate (806) away from the servo motor (803) is fixedly connected with a connecting rod (810), one end of the connecting rod (810) away from the sliding plate (806) is fixedly connected with a frame plate (809), and the frame plate (809) abuts against the connecting piece (4).

7. The self-adapting vacuum suction lifting mechanism according to claim 6, wherein: The inside of the frame plate (809) is fixedly connected with a plurality of positioning rods (808), and a plurality of positioning rods (808) are uniformly distributed on the frame plate (809), and the positioning rod (808) is slidably connected with the connecting piece (4).

8. The self-adapting vacuum suction lifting mechanism according to claim 1, wherein: The inner wall of the bottom plate (10) is provided with a connecting structure (9), the connecting structure (9) comprises two sliding grooves (91), and the two sliding grooves (91) are arranged on the bottom plate (10). The inner wall of the sliding groove (91) is slidably connected with two adjusting rods (94), the arc surface of the upper end of the adjusting rod (94) is fixedly connected with a connecting ring (97), the side of the two connecting rings (97) away from each other is fixedly connected with an auxiliary rod (95), the side of the two auxiliary rods (95) close to each other is fixedly connected with a plurality of connecting frames (96), and the two ends of the connecting frame (96) are fixedly connected with a magnetic sheet (99). The upper end of the adjusting rod (94) is slidably connected with a mounting rod (93), and the connecting frame (96) is clamped with the air cylinder (11).

9. The self-adapting vacuum suction lifting mechanism according to claim 8, wherein: The inner wall of the sliding groove (91) is fixedly connected with a limiting rod (92), and the limiting rod (92) is slidably connected with the adjusting rod (94).

10. The self-adapting vacuum suction lifting mechanism according to claim 8, wherein: The inner wall of the connecting frame (96) is fixedly connected with an elastic pad (98), and the cross section of the elastic pad (98) is "U" shaped.

Images