Charging tray feeding positioning mechanism

Abstract

The utility model provides a charging tray feeding positioning mechanism which comprises a support seat and a material fixing air cylinder, the material fixing air cylinder is vertically arranged, the output end of the lower end of the material fixing air cylinder is provided with a material fixing assembly, the material fixing assembly comprises an installation seat, and positioning claws are arranged on the periphery of the installation seat, are horizontally matched in a sliding mode and can move in the direction close to or away from the installation seat. The inner sides of the positioning claws are provided with positioning surfaces which can be in contact with the edge of the charging tray and realize the positioning of the charging tray, positioning areas are formed among the positioning surfaces, and a driving mechanism for driving the positioning claws to slide inwards or outwards at the same time is arranged in the mounting seat; a pressing plate and a third elastic component enabling the pressing plate to tend to move downwards are vertically arranged at the lower end of the mounting base in a sliding mode, the pressing plate is located in the positioning area, and the bottom face of the pressing plate is a pressing face and can make contact with the upper surface of the material disc. The charging tray feeding positioning mechanism is compact in structure, small in size, capable of rapidly and accurately positioning a material plate, and reliable and stable in operation.

Description

Technical Field

[0001] The utility model relates to a locking device, in particular to a material tray feeding positioning mechanism. Background Art

[0002] During the processing of optical lenses, the optical lenses need to be placed in a receiving component to facilitate turnover and multi-step processing of the optical lenses. The receiving component is generally composed of plate A and plate B. Plate A serves as a bottom plate for placing the lenses, and plate B serves as a cover plate for covering to prevent the lenses from falling and facilitate storage and transportation of the lenses. In the prior art, the two plates are installed manually, which is inefficient. Therefore, there is an urgent need for a locking solution that can achieve automatic assembly and precise feeding. Utility Model Content

[0003] Technical issues to be solved

[0004] The technical problem to be solved by the utility model is to provide a material tray feeding positioning mechanism which has a compact structure, is easy to operate and can quickly and accurately position the material tray.

[0005] Technical solutions to the problem

[0006] The utility model provides a material tray feeding positioning mechanism, including a bracket seat 302 and a material fixing cylinder 303 fixed on the bracket seat 302, the material fixing cylinder 303 is vertically arranged and a material fixing component is provided at its lower output end, the material fixing component includes a mounting seat fixed at the output end of the material fixing cylinder 303, a positioning claw 307 is provided around the mounting seat, the positioning claw 307 is horizontally slidable and can move in a direction close to or away from the mounting seat, the inner side of the positioning claw 307 is provided with a positioning surface that can contact the edge of the material tray and realize the positioning of the material tray, a positioning area is formed between each of the positioning surfaces, and a driving mechanism for driving the positioning claw 307 to slide inward or outward at the same time is provided in the mounting seat; the lower end of the mounting seat is vertically slidable with a pressing plate 306 and a third elastic component 3062 that makes the pressing plate 306 have a downward movement tendency, the pressing plate 306 is located in the positioning area, and the bottom surface of the pressing plate 306 is a pressing surface 306a and can contact the upper surface of the material tray.

[0007] Furthermore, when the pressing plate 306 is located at the lower limit position, the pressing surface 306 a is located below the positioning claw 307 .

[0008] Furthermore, the positioning surface is a plane and is perpendicular to the horizontal plane.

[0009] Furthermore, an elastic buffer layer is provided on the positioning surface and / or the pressing surface 306a.

[0010] Furthermore, a guide rail is horizontally arranged in the mounting seat, a slider is horizontally slidably arranged on the guide rail, and the positioning claw 307 is fixed on the slider.

[0011] Furthermore, the mounting seat includes an upper base plate 304 and a lower base plate 305 which are arranged in parallel and rigidly connected by a connecting column 3051, and a gap is provided between the upper base plate 304 and the lower base plate 305 to form a mounting area, and the guide rail and the slider are located in the mounting area.

[0012] Furthermore, the slider includes a first slider 3071a symmetrically arranged on the left and right sides of the lower base plate 305 and a second slider 3071b symmetrically arranged at the front and rear ends of the lower base plate 305, the two first sliders 3071a are provided with a first lever 3082a with the same direction, the two second sliders 3071b are provided with a second lever 3082b with the same direction, and the second lever and the first lever are located on different horizontal planes, the front end or rear end side wall of the mounting seat is provided with a first finger cylinder 308a, the two output ends of the first finger cylinder 308a are rigidly connected to the two first levers 3082a respectively, the left side or right side of the mounting seat is provided with a second finger cylinder 308b, and the two output shafts of the second finger cylinder 308b are rigidly connected to the two second levers 3082b respectively.

[0013] Furthermore, a distance sensor 309 facing vertically downward is provided on the side wall of the mounting base.

[0014] Furthermore, the support seat includes a vertically arranged longitudinal beam and a horizontally arranged cross beam fixed on the top of the longitudinal beam, and the metering cylinder 303 is fixed at the end of the cross beam.

[0015] Furthermore, a guide rod 3061 is vertically fixed to the top surface of the pressing plate 306 , a guide hole is opened on the mounting seat for accommodating the guide rod 3061 to pass through and realize vertical sliding, and the third elastic component 3062 is a spring and is sleeved on the guide rod 3061 .

[0016] Beneficial Effects

[0017] The feed positioning mechanism of the utility model adopts a four-positioning claw structure, which can contact the edge of the material tray and realize rapid positioning, has high positioning accuracy and efficiency, greatly improves the feeding efficiency and accuracy of the locking device, and thus improves the processing efficiency; a pressing surface is provided, which can fit the upper surface of the material tray, ensure the flatness of the material tray, avoid the deflection of the material tray on the manipulator, and improve the positioning reliability and stability; an elastic pressing plate is provided to avoid impact caused by rigid contact with the upper surface of the material plate, protect the material plate, and at the same time, can form a downward thrust to ensure that the material tray is completely placed in the material placement slot of the locking device, and the operation is reliable and stable; the double-finger cylinder structure can realize synchronous control of the positioning claws, and has a compact structure and a small installation space; the feed positioning mechanism of the utility model has a compact structure and a small size, can realize rapid and accurate positioning of the material plate, and has reliable and stable operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the use status of the tray feeding positioning mechanism of the utility model;

[0019] Figure 2 This is a structural schematic diagram of the material tray feeding positioning mechanism of the utility model;

[0020] Figure 3 This is a schematic structural diagram of the tray feeding positioning mechanism of the utility model from another angle;

[0021] Figure 4 for Figure 3 Enlarged view of middle C;

[0022] Figure 5 This is a schematic diagram of the installation of the positioning claws of the tray feeding positioning mechanism of the utility model;

[0023] Figure 6 It is a schematic diagram of another angle installation of the positioning claw of the tray feeding positioning mechanism of the utility model;

[0024] Figure 7 It is a structural schematic diagram of the material pressing surface of the material tray feeding positioning mechanism of the utility model. DETAILED DESCRIPTION

[0025] The following is a detailed description of the embodiments of the present utility model in conjunction with the accompanying drawings.

[0026] See also Figure 1-Figure 7The utility model provides a material tray feeding positioning mechanism, which is used for accurately positioning the feeding of the material tray, so as to improve the feeding accuracy and speed of the locking device, thereby improving the working efficiency and operating reliability of the entire equipment; it includes a bracket seat 302 and a fixing cylinder 303 fixed on the bracket seat 302. In this embodiment, the bracket seat includes a longitudinal beam and a cross beam. The longitudinal beam is vertically arranged, that is, perpendicular to the horizontal plane. A mounting hole is provided at the bottom of the longitudinal beam for fixing to the mounting plate 301 of the locking device. The cross beam is horizontally arranged and fixed on the top of the longitudinal beam. The fixing cylinder 303 is fixed on the end of the cross beam.

[0027] The dosing cylinder 303 is vertically arranged, and its output shaft is oriented in the direction of the feed plate. A dosing assembly is fixed on the output shaft of the dosing cylinder for accurately positioning the feed tray to be fed in. The dosing assembly includes a mounting seat, which is fixed to the output end of the dosing cylinder 303. The dosing cylinder can lift the material tray up and down by moving the dosing cylinder. Positioning claws 307 are arranged around the mounting seat (i.e., front, back, left, and right). The positioning claws are horizontally slidable and can move toward or away from the mounting seat to achieve synchronous clamping or loosening. In the present application, a guide rail is horizontally arranged in the mounting seat, and a slider is horizontally slidable on the guide rail. The positioning claws 307 are fixed on the slider to achieve horizontal sliding. A positioning surface is provided on the inner side of the positioning claw 307, and the positioning surface can contact the edge of the material tray, thereby realizing precise positioning of the material tray. In the present embodiment, the positioning surface is a plane and is perpendicular to the horizontal plane. A positioning area is formed between each positioning surface, which is used to position the material tray in the horizontal direction. In order to avoid collision with the edge of the material tray and protect the material tray while reducing working noise, in the present embodiment, an elastic buffer layer is provided on the positioning surface, which is made of elastic material, such as rubber, silicone, etc., and is used to form a certain elastic contact with the side wall of the material tray, and the thickness of the elastic buffer layer is relatively small, usually 0.1-0.5mm, to avoid deformation thereof and affect the positioning accuracy.

[0028] A driving mechanism is provided in the mounting seat, and the driving mechanism is used to drive the positioning claws 307 to slide inward or outward at the same time, thereby clamping or loosening the material. In the present application, the driving mechanism is a cylinder.

[0029] The third elastic component 3062 is a spring, which is provided on the guide rod 3061; specifically, a guide rod 3061 is vertically fixed on the top surface of the press plate 306, the press plate 306 is rectangular, and there are two guide rods 3061, which are arranged at two opposite corners of the press plate 306. At the same time, a guide hole corresponding to the guide rod and capable of accommodating the guide rod 3061 to pass through is opened on the mounting seat to realize vertical sliding. In order to reduce processing costs and improve accuracy, a guide sleeve is provided in the guide hole, and the guide rod sleeve is arranged in the guide sleeve. The third elastic component 3062 is a spring, which is sleeved on the guide rod 3061; at the same time, the press plate 306 is located in the positioning area, and the bottom of the press plate 306 The surface is a plane, which serves as the pressing surface 306a, which can contact with the upper surface of the material tray, thereby ensuring the horizontality of the material tray. At the same time, it can press the positioned sheet into the placement hole of the locking device to achieve fast and accurate feeding; in this embodiment, when the pressing plate 306 is located at the lower limit position, the pressing surface 306a is located below the positioning claw 307, which can improve the pressing effect and efficiency and avoid the interference of the positioning claw. At the same time, there is no need to modify the placement seat; in order to avoid the rigid contact between the pressing surface 306a and the top surface of the material tray, thereby protecting the material tray and reducing the working noise, in this embodiment, an elastic buffer layer is also provided on the pressing surface 306a, which can elastically contact with the upper surface of the material tray, and is made of rubber, silicone or other elastic materials.

[0030] See also Figure 5-Figure 6 The mounting base includes an upper base plate 304 and a lower base plate 305, which are arranged in parallel and rigidly connected by a vertical connecting column 3051. In this embodiment, the upper base plate and the lower base plate are rectangular in shape, which is the same as the shape of the material tray. There are two connecting columns, which are diagonally arranged at two corners of the upper base plate and the lower base plate, and the connecting columns and the guide rods are located at different diagonals, which is convenient for realizing a compact structure and facilitating overall assembly; there is a gap (spacing) between the upper base plate 304 and the lower base plate 305 to form a mounting area, and the guide rail and the slider are located in the mounting area.

[0031] Specifically, the slider includes two first sliders 3071a and two second sliders 3072b, wherein the first sliders 3071a are symmetrically arranged on the left and right sides of the lower bottom plate 305, the first guide rails 3072a are symmetrically arranged on the left and right sides of the lower bottom plate, the first slider 3071a is horizontally slidably matched on the first guide rails 3072a, the second slider 3071b is symmetrically arranged on the front and rear ends of the lower bottom plate 305, the second guide rails 3072b are symmetrically arranged on the front and rear ends of the lower bottom plate, the second slider 3071b is horizontally slidably matched on the second guide rails, and the second slider The sliding direction of the block is perpendicular to the sliding direction of the first slider, and a first lever 3082a is provided on each of the two first sliders 3071a. The two first levers 3082a face the same direction and are arranged in parallel. At the same time, the length direction of the first lever is perpendicular to the sliding direction of the first slider; a second lever 3082b is provided on each of the two second sliders 3071b. The two second levers 3082b face the same direction and are arranged in parallel. The length direction of the second lever is perpendicular to the sliding direction of the second slider. At the same time, the two first levers and the two second levers are located at two different On the horizontal plane, that is, they are arranged up and down without interfering with each other; a first finger cylinder 308a is provided on the front end or rear end side wall of the mounting seat, and the first finger cylinder 308a is vertically arranged, and its output end is arranged downward, and the two output ends 3081a of the first finger cylinder 308a are rigidly connected to the two first levers 3082a respectively, and are used to control the two first levers (first sliders) to move synchronously toward or away from each other, that is, to achieve synchronous clamping or loosening; a second finger cylinder 308b is provided on the left side or right side of the mounting seat, and the second finger cylinder 308b is vertically arranged. The output end is arranged downward, and the two output ends 3081b of the second finger cylinder 308b are rigidly connected to the two second levers 3082b respectively, and are used to control the two second levers (second sliders) to move toward or away from each other synchronously, that is, to achieve synchronous clamping or loosening; a first positioning claw 307a is fixed to the outer end of the first slider 3071a, and a second positioning claw 307b is fixed to the end of the second slider 3071b; through the action of the first finger cylinder and the second finger cylinder, the four clamping claws are controlled, thereby realizing clamping positioning and loosening for feeding.

[0032] In this embodiment, a distance sensor 309 is provided on the side wall of the mounting seat. The distance sensor is vertically arranged with its output end facing downwards, and is used to detect the descending space of the clamping claw to achieve automatic operation.

[0033] The feed positioning mechanism of the utility model adopts a four-positioning claw structure, which can contact the edge of the material tray and realize rapid positioning, has high positioning accuracy and efficiency, greatly improves the feeding efficiency and accuracy of the locking device, and thus improves the processing efficiency; a pressing surface is provided, which can fit the upper surface of the material tray, ensure the flatness of the material tray, avoid the deflection of the material tray on the manipulator, and improve the positioning reliability and stability; an elastic pressing plate is provided to avoid impact caused by rigid contact with the upper surface of the material plate, protect the material plate, and at the same time, can form a downward thrust to ensure that the material tray is completely placed in the material placement slot of the locking device, and the operation is reliable and stable; the double-finger cylinder structure can realize synchronous control of the positioning claws, and has a compact structure and a small installation space; the feed positioning mechanism of the utility model has a compact structure and a small size, can realize rapid and accurate positioning of the material plate, and has reliable and stable operation.

[0034] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A tray feeding positioning mechanism, characterized in that: The invention comprises a bracket seat and a material fixing cylinder fixed on the bracket seat, the material fixing cylinder is vertically arranged and a material fixing component is provided at its lower output end, the material fixing component comprises a mounting seat fixed at the output end of the material fixing cylinder, positioning claws are provided around the mounting seat, the positioning claws are horizontally slidable and can move in a direction close to or away from the mounting seat, the inner side of the positioning claws is provided with a positioning surface that can contact the edge of the material tray and realize the positioning of the material tray, a positioning area is formed between each of the positioning surfaces, and a driving mechanism for driving the positioning claws to slide inward or outward at the same time is provided in the mounting seat; the lower end of the mounting seat is vertically slidable with a pressing plate and a third elastic component that makes the pressing plate have a downward movement tendency, the pressing plate is located in the positioning area, and the bottom surface of the pressing plate is the pressing surface and can contact the upper surface of the material tray.

2. The tray feeding positioning mechanism according to claim 1, characterized in that: When the pressing plate is located at the lower limit position, the pressing surface is located below the positioning claw.

3. The tray feeding positioning mechanism according to claim 1, characterized in that: The positioning surface is a plane and is perpendicular to the horizontal plane.

4. The tray feeding positioning mechanism according to claim 1, characterized in that: An elastic buffer layer is arranged on the positioning surface and / or the pressing surface.

5. The tray feeding positioning mechanism according to claim 1, characterized in that: A guide rail is horizontally arranged in the mounting seat, a slider is horizontally slidably arranged on the guide rail, and the positioning claw is fixed on the end of the slider.

6. The tray feeding positioning mechanism according to claim 5, characterized in that: The mounting seat comprises an upper base plate and a lower base plate which are arranged in parallel and rigidly connected by a connecting column. A gap is provided between the upper base plate and the lower base plate to form a mounting area. The guide rail and the slider are located in the mounting area.

7. The tray feeding positioning mechanism according to claim 6, characterized in that: The slider includes a first slider symmetrically arranged on the left and right sides of the lower base plate and a second slider symmetrically arranged on the front and rear ends of the lower base plate, the two first sliders are provided with a first lever in the same direction, the two second sliders are provided with a second lever in the same direction, and the second lever and the first lever are located on different horizontal planes, a first finger cylinder is provided on the front end or rear end side wall of the mounting seat, the two output ends of the first finger cylinder are rigidly connected to the two first levers respectively, a second finger cylinder is provided on the left side or right side of the mounting seat, and the two output shafts of the second finger cylinder are rigidly connected to the two second levers respectively.

8. The tray feeding positioning mechanism according to claim 1, characterized in that: The side wall of the mounting seat is provided with a distance sensor facing vertically downward.

9. The tray feeding positioning mechanism according to claim 1, characterized in that: The support seat comprises a vertically arranged longitudinal beam and a horizontally arranged cross beam fixed on the top of the longitudinal beam, and the dosing cylinder is fixed on the end of the cross beam.

10. The tray feeding positioning mechanism according to claim 1, characterized in that: A guide rod is vertically fixed on the top surface of the pressing plate, a guide hole is provided on the mounting seat for accommodating the guide rod to pass through and realize vertical sliding, and the third elastic component is a spring and is sleeved on the guide rod.

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