Sheet taking mechanism

Abstract

The utility model relates to the technical field of picking devices, in particular to a sheet material taking mechanism which comprises a first guide rail and an annular belt, the first guide rail is slidably connected with a sliding block, the sliding block is slidably connected with a second guide rail, the second guide rail and the first guide rail are arranged at an included angle, and the two ends of the second guide rail are rotatably connected with a first rotating wheel and a second rotating wheel respectively. A first motor and a second motor are fixedly arranged at the two ends of the first guide rail, the belt surrounds the first rotating wheel, the second rotating wheel, the output end of the first motor and the output end of the second motor, and an adsorption assembly is fixedly arranged at one end of the second guide rail. And meanwhile, due to the fact that the belt is in a closed loop and continuously moves, smooth transition can be achieved between the two guide rails, impact and vibration generated by sudden movement change are reduced, and therefore the precision and stability of material grabbing are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pick up device technical field, especially in a kind of take sheet material mechanism. BACKGROUND

[0002] In automated production line and material handling system, take sheet material mechanism plays a vital role.Taking sheet material mechanism can accurately, stably grab material from raw material pile or conveying belt, and deliver it to next processing or processing link.

[0003] Taking sheet material mechanism needs to move in two directions to realize transfer material, the movement of existing taking sheet material mechanism in different directions is relatively independent, and the horizontal and vertical direction movement components are respectively driven by different control systems, so in the process of taking sheet material, the movement of two directions can not be accurately matched, and this asynchronous phenomenon can cause deviation or misplacement of material in the process of grabbing, and further affect the accuracy and stability of subsequent processing or processing. UTILITY MODEL CONTENT

[0004] The utility model aims at: provide a kind of take sheet material mechanism, to solve the problem of deviation of material in the process of grabbing caused by the movement of the internal structure of taking sheet material mechanism in existing technology out of step.

[0005] The technical scheme of the utility model is: a kind of take sheet material mechanism, comprising: first guide rail and annular belt, first guide rail is slidably connected with sliding block, the sliding block is slidably connected with second guide rail, the second guide rail and the first guide rail are arranged at an angle, the two ends of the second guide rail are rotatably connected with first runner and second runner, the two ends of the first guide rail are fixed with first motor and second motor, the belt is around the output end of the first motor and the output end of the second motor, one end of the second guide rail is fixed with adsorption assembly.

[0006] Preferably, the first guide rail is arranged along the horizontal direction, and the second guide rail is arranged along the vertical direction.

[0007] Preferably, the sliding block is rotatably connected with a plurality of rollers, the rotation central axes of the plurality of rollers are parallel to the rotation central axis of the first runner, and the belt passes around the plurality of rollers to tension the belt.

[0008] Preferably, the plurality of rollers are four, and the four rollers include a first idler, a second idler, a third idler and a fourth idler, the rotation central axes of the first idler, the second idler, the third idler and the fourth idler are parallel in pairs, and the outer side of the belt passes around the first idler, the second idler, the third idler and the fourth idler, respectively.

[0009] Preferably, opposite edges of the first idler and the second idler are tangent to the first runner in the vertical direction, and opposite edges of the third idler and the fourth idler are tangent to the second runner in the vertical direction.

[0010] Preferably, the output end of the first motor is fixedly connected with a first ratchet wheel, the output end of the second motor is fixedly connected with a second ratchet wheel, and the belt is a synchronous belt, and the inner wall of the belt passes around the first ratchet wheel and the second ratchet wheel.

[0011] Preferably, opposite edges of the first idler and the third idler are tangent to the first ratchet wheel in the horizontal direction, and opposite edges of the second idler and the fourth idler are tangent to the second ratchet wheel in the horizontal direction.

[0012] Preferably, the adsorption assembly comprises a support frame and an adsorption nozzle, the support frame is fixedly connected to the second guide rail away from the second runner, the adsorption nozzle is fixedly arranged on the support frame, and the output end of the adsorption nozzle extends towards the bottom of the support frame.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The first guide rail and the second guide rail realize simultaneous movement in two directions through a single closed loop belt, can ensure that the movement in the direction of the first guide rail and the second guide rail is accurately synchronized, reduces the deviation caused by asynchronization of movement, and simultaneously, since the belt is closed loop and continuously moves, it can realize smooth transition between the two guide rails, and the smooth transition helps to reduce impact and vibration caused by sudden movement, thereby improving the precision and stability of the grabbed material. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model will be further described below in combination with the drawings and examples:

[0016] Figure 1 It is a structure schematic view of the slice taking mechanism of the utility model;

[0017] Figure 2 It is a structure schematic view of the adsorption assembly of the utility model;

[0018] Figure 3 It is a movement state schematic view of the belt of the utility model.

[0019] MARKS OF THE DRAWINGS:

[0020] 1, first guide rail; 2, belt; 21, first section; 22, second section; 23, third section; 24, fourth section; 3, second guide rail; 31, first rotating wheel; 32, second rotating wheel; 4, sliding block; 5, first motor; 51, first ratchet wheel; 6, second motor; 61, second ratchet wheel; 7, adsorption assembly; 71, support frame; 72, adsorption nozzle; 8, roller; 81, first idler; 82, second idler; 83, third idler; 84, fourth idler. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the present application clearer, the technical scheme of the present application will be described clearly and completely below in combination with specific embodiments of the present application and corresponding drawings. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] The embodiments of the present application will be described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation of the present application.

[0023] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation of the present application.

[0024] As Figure 1As shown, a kind of material taking mechanism, including first guide rail 1 and the belt 2 of annular, first guide rail 1 slidingly connected with slider 4, slider 4 slidingly connected with second guide rail 3, second guide rail 3 and first guide rail 1 are arranged at the angle, first guide rail 1 as the load-bearing main body, second guide rail 3 has two directions of translational freedom degree relative to second guide rail 3 by slider 4.The both ends of second guide rail 3 are rotatably connected with first pulley 31 and second pulley 32, and the both ends of first guide rail 1 are fixed with first motor 5 and second motor 6, and the output end of first motor 5 and the output end of second motor 6 are surrounded by the belt 2, and one end of second guide rail 3 is fixed with adsorption assembly 7.First motor 5 and second motor 6 can drive second guide rail 3 to move along two directions or along one direction by annular belt 2, to drive adsorption assembly 7 to transfer material in space.

[0025] In the embodiment, first guide rail 1 is arranged along horizontal direction, and second guide rail 3 is arranged along vertical direction, and first guide rail 1 and second guide rail 3 can drive adsorption assembly 7 to move on vertical plane.The first guide rail 1 arranged along horizontal direction can bear greater vertical and horizontal load, ensure that vertical guide rail has good stability during movement, and reduce transmission error caused by guide rail deformation or instability.

[0026] Slider 4 is rotatably connected with a plurality of rollers 8, and the rotational central axis of a plurality of rollers 8 is parallel to the rotational central axis of first pulley 31, and the belt 2 is wound around a plurality of rollers 8 for tensioning the belt 2.In order to ensure the tensioning degree of the belt 2, the outer side of the belt 2 between first motor 5 and first pulley 31 at least winds around one roller 8, the outer side of the belt 2 between first pulley 31 and second motor 6 at least winds around one roller 8, the outer side of the belt 2 between second motor 6 and second pulley 32 at least winds around one roller 8, and the outer side of the belt 2 between second pulley 32 and first motor 5 at least winds around one roller 8.

[0027] In the embodiment, the plurality of rollers 8 are four, and the four rollers 8 include first idler 81, second idler 82, third idler 83 and fourth idler 84, the rotational central axis of first idler 81, the rotational central axis of second idler 82, the rotational central axis of third idler 83 and the rotational central axis of fourth idler 84 are parallel to each other, and the outer side of the belt 2 is wound around first idler 81, second idler 82, third idler 83 and fourth idler 84 respectively.In other embodiments, the number of rollers 8 can be eight or sixteen.

[0028] The output shaft of the first motor 5 is fixedly provided with a first ratchet wheel 51, the output shaft of the second motor 6 is fixedly provided with a second ratchet wheel 61, the rotation central axis of the first ratchet wheel 51 and the rotation central axis of the second ratchet wheel 61 are in the same horizontal plane, the rotation central axis of the first pulley 31 and the rotation central axis of the second pulley 32 are in the same vertical plane, the central axis of the intersection of the horizontal plane and the vertical plane is the center line of the sliding block 4, and the first idler wheel 81, the second idler wheel 82, the third idler wheel 83 and the fourth idler wheel 84 are arranged around the center line.

[0029] Preferably, the belt 2 is a synchronous belt, that is, the inner side of the belt 2 has a tooth portion engaged with the first ratchet wheel 51 and the second ratchet wheel 61. More preferably, the first pulley 31 and the second pulley 32 are both gear wheels, so as to improve the moving accuracy of the second guide rail 3.

[0030] Specifically, the opposite edges of the first idler wheel 81 and the second idler wheel 82 are tangent to the first pulley 31 in the vertical direction, so that the belt 2 segments on both sides of the first pulley 31 are parallel to each other; the opposite edges of the third idler wheel 83 and the fourth idler wheel 84 are tangent to the second pulley 32 in the vertical direction, so that the belt 2 segments on both sides of the second pulley 32 are parallel to each other; the opposite edges of the first idler wheel 81 and the third idler wheel 83 are tangent to the first ratchet wheel 51 in the horizontal direction, so that the belt 2 segments on both sides of the first ratchet wheel 51 are parallel to each other; and the opposite edges of the second idler wheel 82 and the fourth idler wheel 84 are tangent to the second ratchet wheel 61 in the horizontal direction, so that the belt 2 segments on both sides of the second ratchet wheel 61 are parallel to each other. More preferably, the outer diameters of the first pulley 31, the second pulley 32, the first ratchet wheel 51 and the second ratchet wheel 61 are the same, so as to further improve the tensioning effect of the belt 2 and the stability of the rotation of the belt 2.

[0031] As shown in Figure 2 The adsorption assembly 7 includes a support frame 71 and an adsorption nozzle 72, the support frame 71 is fixedly connected to the second guide rail 3 away from the second pulley 32 side, the adsorption nozzle 72 is fixedly provided on the support frame 71, the output end of the adsorption nozzle 72 extends towards the bottom of the support frame 71, and the adsorption nozzle 72 is used for adsorbing materials. The first motor 5 cooperates with the second motor 6 to drive the second guide rail 3 to move in the horizontal direction and / or the vertical direction, thereby driving the materials adsorbed by the adsorption nozzle 72 to be transported.

[0032] As shown in Figure 3As shown, for the convenience of description, the annular belt 2 is divided into a first section 21, a second section 22, a third section 23 and a fourth section 24. Specifically, the belt 2 above the first idler 81 and the second idler 82 is the first section 21, that is, the belt 2 around the first pulley 31 is the first section 21; the belt 2 below the third idler 83 and the fourth idler 84 is the second section 22, that is, the belt 2 around the second pulley 32 is the second section 22; the belt 2 on the left side of the first idler 81 and the third idler 83 is the third section 23, that is, the belt 2 around the first ratchet 51 is the third section 23; the belt 2 on the right side of the second idler 82 and the fourth idler 84 is the third section 23, that is, the belt 2 around the second ratchet 61 is the fourth section 24; the clockwise rotation of the motor is forward rotation, and the counterclockwise rotation of the motor is reverse rotation.

[0033] The first motor 5 cooperates with the second motor 6 to have multiple motion states:

[0034] State one: when the output shaft of the first motor 5 rotates forward and the second motor 6 is stationary, the second guide rail 3 only rises in the vertical direction.

[0035] State two: when the output shaft of the first motor 5 rotates reversely and the second motor 6 is stationary, the second guide rail 3 only descends in the vertical direction.

[0036] State three: when the output shaft of the second motor 6 rotates forward and the first motor 5 is stationary, the second guide rail 3 only descends in the vertical direction.

[0037] State four: when the output shaft of the second motor 6 rotates reversely and the first motor 5 is stationary, the second guide rail 3 only rises in the vertical direction.

[0038] State five: when the output shaft of the first motor 5 and the output shaft of the second motor 6 rotate in the same direction and at the same speed, the slider 4 slides relative to the first guide rail 1.

[0039] State six: when the output shaft of the first motor 5 and the output shaft of the second motor 6 rotate in different directions and at different speeds, the first guide rail 1 and the second guide rail 3 move synchronously in the horizontal direction and the vertical direction.

[0040] In addition to the above motion states, there are other motion states, which are not described one by one in this application.

[0041] The above examples are only for illustrating the technical concept and characteristics of the present application, and the purpose is to enable those skilled in the art to understand the content of the present application and to implement it, and cannot limit the protection scope of the present application. For those skilled in the art, it is obvious that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or basic characteristics of the present application, therefore, from any point of view, the examples should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application.

Claims

1. A sheet material taking mechanism, characterized in that, The utility model relates to a kind of first guide rail (1) and ring belt (2), first guide rail (1) slidingly connected with slider (4), the slider (4) slidingly connected with second guide rail (3), the second guide rail (3) and the first guide rail (1) are arranged at angle, the both ends of the second guide rail (3) are rotatably connected with first runner (31) and second runner (32) respectively, the both ends of the first guide rail (1) are fixed with first motor (5) and second motor (6), the belt (2) surrounds first runner (31), second runner (32), the output end of first motor (5) and the output end of second motor (6), one end of the second guide rail (3) is fixed with adsorption subassembly (7). The first guide rail (1) is arranged along the horizontal direction, and the second guide rail (3) is arranged along the vertical direction.

2. A sheet taking mechanism according to claim 1, characterized in that: The slider (4) is rotatably connected with a plurality of rollers (8), the rotation central axes of the plurality of rollers (8) are parallel to the rotation central axis of the first runner (31), and the belt (2) passes around the plurality of rollers (8) to tension the belt (2).

3. The sheet taking mechanism according to claim 1, wherein: The plurality of rollers (8) are four, and the four rollers (8) include a first idler (81), a second idler (82), a third idler (83), and a fourth idler (84). The rotation central axes of the first idler (81), the second idler (82), the third idler (83), and the fourth idler (84) are parallel to each other in pairs. The outer side of the belt (2) passes around the first idler (81), the second idler (82), the third idler (83), and the fourth idler (84) respectively.

4. A sheet taking mechanism according to claim 3, wherein: The opposite edges of the first idler (81) and the second idler (82) are tangent to the first runner (31) in the vertical direction, and the opposite edges of the third idler (83) and the fourth idler (84) are tangent to the second runner (32) in the vertical direction.

5. A sheet taking mechanism according to claim 4, wherein: The output end of the first motor (5) is fixedly connected with a first ratchet wheel (51), the output end of the second motor (6) is fixedly connected with a second ratchet wheel (61), the belt (2) is a synchronous belt, and the inner wall of the belt (2) passes around the first ratchet wheel (51) and the second ratchet wheel (61).

6. A sheet taking mechanism according to claim 4, wherein: The opposite edges of the first idler (81) and the third idler (83) are tangent to the first ratchet wheel (51) in the horizontal direction, and the opposite edges of the second idler (82) and the fourth idler (84) are tangent to the second ratchet wheel (61) in the horizontal direction.

7. A sheet taking mechanism according to claim 6, wherein: The adsorption subassembly (7) includes a support frame (71) and an adsorption nozzle (72). The support frame (71) is fixedly connected to the second guide rail (3) away from the second runner (32) side. The adsorption nozzle (72) is fixedly arranged on the support frame (71), and the output end of the adsorption nozzle (72) extends towards the bottom of the support frame (71).

8. The sheet taking mechanism according to claim 1, wherein: ​

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