Mechanical automatic material grabbing device

Abstract

The utility model relates to the field of mechanical automation, in particular to a mechanical automatic material grabbing device. A lifting assembly is fixedly connected to the upper end of the bottom plate, a placing and positioning seat is fixedly connected to the pushing end of the lifting assembly, an air cylinder pushing assembly is fixedly connected to the inner wall of the placing and positioning seat, a plurality of clamping blocks are arranged on the inner side of the air cylinder pushing assembly, and the air cylinder pushing assembly can push the clamping blocks to be attached to the surface of a workpiece. The multiple clamping blocks can make better contact with and be attached to a workpiece through the attaching assembly in an elastic attaching mode, the workpiece can be driven to ascend through the lifting assembly, meanwhile, the attaching assembly is pushed to descend through the gravity of the workpiece, and the attaching assembly converts the downward pressing gravity into side face attaching pushing force through an inclined face to increase the fixing effect on materials.

Description

Technical Field

[0001] The utility model relates to the field of mechanical automation, in particular to a mechanical automation material grabbing device. Background Art

[0002] Automated material handling is an important application in the field of industrial automation, mainly achieved through automated equipment such as robot hands or robot grippers. This technology has significant advantages and a wide range of application scenarios;

[0003] After searching, a Chinese patent discloses a mechanical automatic material grasping device (publication number CN216582855). The patent technology is designed with a rotating shaft on the mounting seat, and the clamping plate on the clamping cylinder is also designed as a hinge structure. When the clamping cylinder clamps the material, the mounting seat and the clamping cylinder can fine-tune their respective clamping angles according to the shape of the material surface so as to fit closely with the material surface and increase the contact area between the two. The rubber pad on the clamping plate can increase the friction, which can enable the grasping mechanism to clamp the material more stably. However, in the technical solution of the above patent document, multiple clamping blocks are rigidly clamped with the polygonal workpiece, and the clamping force of some clamping blocks is relatively small. At the same time, when clamping heavy objects, the workpiece is easy to fall down.

[0004] Therefore, a mechanical automatic material grabbing device is proposed to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a mechanical automated material grabbing device in order to solve the above-mentioned problem, thereby improving the rigid clamping of multiple clamping blocks and polygonal workpieces, the problem that some clamping blocks have a small clamping force and the workpiece is prone to falling downward when clamping heavy objects.

[0006] The utility model achieves the above-mentioned purpose through the following technical solutions: a mechanical automatic material grasping device, comprising: a base plate, the upper end of the base plate is fixedly connected with a lifting component, the pushing end of the lifting component is fixedly connected with a placement and positioning seat, the inner wall of the placement and positioning seat is fixedly connected with a cylinder pushing component, and a plurality of clamping blocks are arranged on the inner side of the cylinder pushing component; a fixing mechanism, the fixing mechanism for bonding the workpiece is arranged on one side of the clamping block; wherein the fixing mechanism is provided with multiple groups, each group of the fixing mechanism includes a bonding component arranged on one side of the clamping block, and a limiting component is arranged on one side of the bonding component.

[0007] Preferably, the bonding component includes a first spring fixedly connected to the inner wall of the cylinder pushing component, one end of the first spring is fixedly connected to a hinge seat, one end of the hinge seat is movably hinged to the clamping block, and the side of the clamping block is slidably connected to the bonding block. The bonding component can achieve a better bonding effect when clamping materials and increase the fixing effect.

[0008] Preferably, a telescopic rod is fixedly connected to the side end of the cylinder pushing assembly, one end of the telescopic rod is fixedly connected to a hinge seat, and the first spring is sleeved on the surface of the telescopic rod. The first spring can be supported by the telescopic rod, so that the first spring is more stable when pushed and is not prone to lateral elastic deformation and damage.

[0009] Preferably, a mounting groove is provided at a side end of the fitting block, and a rubber friction pad is fixedly connected to the inner wall of the mounting groove, so that the friction force during clamping can be increased by the rubber friction pad, thereby increasing the stability of the clamping and fixing.

[0010] Preferably, the cross-section of the clamping block in the direction perpendicular to the bottom is a right-angled trapezoid, and the bonding surface between the bonding block and the clamping block is an inclined surface. By fitting the inclined surfaces of the bonding block and the clamping block, when clamping heavier objects, the workpiece can be squeezed and fitted more tightly, thereby increasing the clamping and fixing force.

[0011] Preferably, the limiting assembly includes a limiting block fixedly connected to the side end of the bonding block, and a limiting groove is provided at the side end of the clamping block. The limiting block is slidably matched with the inner wall of the limiting groove. The limiting assembly can make the bonding block more stable when clamping the workpiece through the inclined surface and less prone to skewing and shaking.

[0012] Preferably, protrusions are provided on both sides of the limit block, and the cross-section of the limit block in the parallel direction is "T"-shaped. The limit block fits closely with the inner wall of the limit groove. Through the shape of the limit block, when the fitting block slides on one side of the clamping block, it is not easy to get skewed, detached or damaged accidentally.

[0013] Preferably, a second spring is fixedly connected to the lower end of the limit block, and the lower end of the second spring is fixedly connected to the lower inner wall of the limit groove. The second spring can push the bonding block back to reset the bonding block when the workpiece is not clamped.

[0014] The beneficial effects of the utility model are:

[0015] 1. The cylinder push component can push the clamping block to fit the workpiece surface. The fitting component can make multiple clamping blocks better contact and fit the workpiece through elastic fitting. The lifting component can drive the workpiece to move upward. At the same time, the gravity of the workpiece itself pushes the fitting component down. The fitting component converts the downward pressure of gravity into the side fitting driving force through the inclined surface to increase the fixing effect of the material;

[0016] 2. The shape of the limit block can prevent the bonding block from tilting, detaching, or being damaged accidentally when sliding on one side of the clamping block. The bonding block can be pushed back by the second spring to reset the bonding block when the workpiece is not clamped. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a main perspective view of the utility model;

[0018] Figure 2 For the utility model Figure 1 A magnified view of middle;

[0019] Figure 3 This is a cutaway stereogram of the utility model from a first viewing angle;

[0020] Figure 4 For the utility model Figure 3 Enlarged view of B.

[0021] In the figure: 1. bottom plate; 2. lifting assembly; 3. positioning seat; 4. clamping block; 5. cylinder pushing assembly; 6. fixing mechanism; 601. fitting assembly; 6011. first spring; 6012. hinge seat; 6013. fitting block; 6014. mounting groove; 6015. rubber friction pad; 6016. telescopic rod; 602. limiting assembly; 6021. limiting block; 6022. limiting groove; 6023. second spring. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] When implementing: Figure 1-4As shown, a mechanical automated material grabbing device comprises: a bottom plate 1, a lifting assembly 2 is fixedly connected to the upper end of the bottom plate 1, a placing and positioning seat 3 is fixedly connected to the pushing end of the lifting assembly 2, a cylinder pushing assembly 5 is fixedly connected to the inner wall of the placing and positioning seat 3, and a plurality of clamping blocks 4 are arranged inside the cylinder pushing assembly 5; a fixing mechanism 6, the fixing mechanism 6 for laminating the workpiece is arranged on one side of the clamping block 4; wherein the fixing mechanism 6 is provided with multiple groups, each group of the fixing mechanism 6 comprises a laminating assembly 601 arranged on one side of the clamping block 4, and a limiting assembly 602 is arranged on one side of the laminating assembly 601, and when the workpiece material is clamped by the device, the clamp is pushed by the cylinder pushing assembly 5 The holding block 4 fits the surface of the workpiece, and the fitting component 601 uses elastic fitting to make multiple clamping blocks 4 better contact and fit the workpiece. At this time, the workpiece is driven to rise and move through the lifting component 2. While rising, the gravity of the workpiece itself pushes the fitting component 601 down. The fitting component 601 converts the downward pressure of gravity into a side fitting driving force through the inclined surface to increase the fixing effect of the material. The lifting component 2 can drive the material to rise, which is the same as the ball screw rising part structure in the comparative document and will not be elaborated in detail here. The cylinder pushing component 5 includes a pushing cylinder for the mounting frame. For those working in this technical field, the cylinder pushing component 5 is a prior art and will not be elaborated in detail here.

[0024] like Figure 2 and Figure 4As shown, the fitting component 601 includes a first spring 6011 fixedly connected to the inner wall of the cylinder pushing component 5, one end of the first spring 6011 is fixedly connected to a hinge seat 6012, one end of the hinge seat 6012 is movably hinged to the clamping block 4, and the side of the clamping block 4 is slidably connected to a fitting block 6013. When the cylinder pushing component 5 is started to fix the workpiece, the cylinder pushing component 5 pushes the first spring 6011 and the hinge seat 6012 to move, and the hinge seat 6012 pushes the clamping block 4 and the fitting block 6013 to fit the fixed workpiece for clamping. When fixed, the elastic force of the first spring 6011 can make the fitting and clamping effect of multiple fitting blocks 6013 better. The side end of the cylinder pushing component 5 is fixedly connected to a telescopic rod 6016, one end of the telescopic rod 6016 is fixedly connected to the hinge seat 6012, and the first spring 6011 is sleeved on the telescopic rod 6016. When the first spring 6011 pushes the workpiece with elastic force to clamp it, the first spring 6011 is prone to lateral elastic deformation and damage. The support of the hinge seat 6012 by the telescopic rod 6016 can make the first spring 6011 less likely to undergo lateral elastic deformation and more stable. A mounting groove 6014 is provided on the side end of the bonding block 6013. A rubber friction pad 6015 is fixedly connected to the inner wall of the mounting groove 6014. The rubber friction pad 6015 can increase the friction force of clamping the workpiece and increase the fixing stability. The cross-section of the clamping block 4 in the vertical direction of the bottom is a right-angled trapezoid. The bonding surface of the bonding block 6013 and the clamping block 4 are inclined. Through the inclined surface of the bonding block 6013, when the lifting component 2 lifts the goods, the gravity of the goods will drive the bonding block 6013 to drop. At this time, the bonding block 6013 is pushed inward by the inclined surface to increase the fixing effect.

[0025] like Figure 4 As shown, the limiting assembly 602 includes a limiting block 6021 fixedly connected to the side end of the bonding block 6013, and a limiting groove 6022 is provided at the side end of the clamping block 4. The limiting block 6021 slides with the inner wall of the limiting groove 6022. When the bonding block 6013 slides down, it will drive the limiting block 6021 to slide in the limiting groove 6022 for limiting. The sliding cooperation between the limiting block 6021 and the limiting groove 6022 can make the bonding block 6013 more stable when sliding and less prone to skewing. Both sides of the limiting block 6021 are provided with protrusions to limit The cross-section of the limit block 6021 in the parallel direction is in a "T" shape, and the limit block 6021 fits closely with the inner wall of the limit groove 6022. The shape of the limit block 6021 can prevent the bonding block 6013 from being skewed, disengaged, or damaged accidentally when sliding on one side of the clamping block 4. A second spring 6023 is fixedly connected to the lower end of the limit block 6021, and the lower end of the second spring 6023 is fixedly connected to the lower inner wall of the limit groove 6022. The second spring 6023 can be used to push the bonding block 6013 back to its original position when the workpiece is not clamped.

[0026] When the utility model is in use, when the device is used to clamp the workpiece material, the first spring 6011 and the hinge seat 6012 are pushed to move by the cylinder pushing component 5, and the hinge seat 6012 pushes the clamping block 4 and the bonding block 6013 to clamp the fixed workpiece. The elastic force of the first spring 6011 can make the bonding and clamping effect of multiple bonding blocks 6013 better. When the clamping is completed, the lifting component 2 is started to drive the workpiece to rise. When the lifting component 2 lifts the goods, the gravity of the goods will drive the bonding block 6013 to descend. At this time, the bonding block 6013 is pushed inward by the inclined surface to increase the fixing effect and make the fixation more firm. At this time, it is fixed by the elastic force of the first spring 6011, which makes the fit better. Through the bonding block 6013 and the inclined surface of the clamping block 4, gravity is converted into lateral driving force to increase the fixing effect.

[0027] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A mechanical automatic material grabbing device, characterized in that: include: A bottom plate (1), the upper end of the bottom plate (1) is fixedly connected to a lifting assembly (2), the pushing end of the lifting assembly (2) is fixedly connected to a placement and positioning seat (3), the inner wall of the placement and positioning seat (3) is fixedly connected to a cylinder pushing assembly (5), and a plurality of clamping blocks (4) are arranged on the inner side of the cylinder pushing assembly (5); A fixing mechanism (6), used for laminating the workpiece, the fixing mechanism (6) being arranged on one side of the clamping block (4); There are multiple groups of the fixing mechanisms (6), and each group of the fixing mechanisms (6) comprises a fitting component (601) arranged on one side of the clamping block (4), and a limiting component (602) is arranged on one side of the fitting component (601).

2. The mechanical automatic material grabbing device according to claim 1, characterized in that: The fitting component (601) includes a first spring (6011) fixedly connected to the inner wall of the cylinder pushing component (5), one end of the first spring (6011) is fixedly connected to a hinge seat (6012), one end of the hinge seat (6012) is movably hinged to a clamping block (4), and the side of the clamping block (4) is slidably connected to a fitting block (6013).

3. The mechanical automatic material grabbing device according to claim 2, characterized in that: The side end of the cylinder pushing assembly (5) is fixedly connected to a telescopic rod (6016), one end of the telescopic rod (6016) is fixedly connected to a hinge seat (6012), and the first spring (6011) is sleeved on the surface of the telescopic rod (6016).

4. The mechanical automatic material grabbing device according to claim 2, characterized in that: A mounting groove (6014) is provided at the side end of the fitting block (6013), and a rubber friction pad (6015) is fixedly connected to the inner wall of the mounting groove (6014).

5. The mechanical automatic material grabbing device according to claim 2, characterized in that: The cross section of the clamping block (4) in the direction perpendicular to the bottom is a right-angled trapezoid, and the bonding surface between the bonding block (6013) and the clamping block (4) is an inclined surface.

6. The mechanical automatic material grabbing device according to claim 2, characterized in that: The limiting assembly (602) comprises a limiting block (6021) fixedly connected to the side end of the fitting block (6013); a limiting groove (6022) is provided on the side end of the clamping block (4); and the limiting block (6021) is slidably matched with the inner wall of the limiting groove (6022).

7. The mechanical automatic material grabbing device according to claim 6, characterized in that: Protrusions are provided on both sides of the limit block (6021); a cross section of the limit block (6021) in a parallel direction is in a "T" shape; the limit block (6021) is relatively close to the inner wall of the limit groove (6022).

8. The mechanical automatic material grabbing device according to claim 7, characterized in that: The lower end of the limiting block (6021) is fixedly connected to a second spring (6023), and the lower end of the second spring (6023) is fixedly connected to the lower inner wall of the limiting groove (6022).

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