Automatic feeding and fixing mechanism for calipers

Abstract

The invention discloses an automatic caliper feeding and fixing mechanism which comprises a bottom plate, vertical plates, a stepping motor, a synchronous belt wheel, a synchronous belt, a driving shaft, a driving chain wheel, a chain, a bearing seat assembly, an idler shaft, a shaft support, an idler, a caliper fixing part and a stepping motor mounting plate, the vertical plates are arranged on the two sides of the bottom plate, and the bearing seat assembly and the shaft support are symmetrically arranged on the upper end faces of the vertical plates on the two sides; the driving shaft is arranged on the bearing seat assembly, the synchronous pulley and the driving chain wheel are arranged on the driving shaft, the idle wheel shaft is arranged on the shaft support, the idle wheel is arranged on the idle wheel shaft, the chain is arranged on the driving chain wheel and the idle wheel, the caliper fixing piece is fixed to an installation hole in the chain, and the caliper is fixed in the caliper fixing piece. The stepping motor is arranged on the bottom plate through the stepping motor mounting seat, rotation motion is transmitted to the synchronous belt wheel through the synchronous belt, so that the driving shaft is driven to rotate, the driving chain wheel rotates along with the driving shaft after the driving shaft rotates, the chain and the idle wheel are driven to move circularly, and the caliper on the chain is made to move circularly.

Description

Technical Field

[0001] The invention relates to the technical field of measurement and detection, and in particular to an automatic caliper feeding and fixing mechanism. Background Art

[0002] The calipers currently used frequently contact workpieces during the measurement process. Some workpieces have high surface hardness, while others have rough surfaces. This will inevitably cause wear on the measuring surface of the caliper. In addition, the caliper itself needs to be pushed, pulled, and extended and retracted constantly during the measurement process, which will cause the caliper itself to wear and loosen.

[0003] At present, the calibration of calipers is mainly done manually, requiring measurement personnel to manually measure the caliper to be tested, manually clamp and fix the caliper, and manually replace different-sized gauge blocks to perform calibration and measurement operations on the caliper. This operation method is relatively cumbersome, and multiple manual contacts with the caliper to be tested and the standard gauge block will have an adverse effect on the measurement results. At the same time, all data are recorded manually, which has the disadvantages of low detection efficiency, long working hours, large manual visual errors, poor detection consistency, etc., and is not conducive to encoding and recording the caliper. Summary of the invention

[0004] The invention provides an automatic caliper feeding and fixing mechanism, which can solve the technical problems in the prior art.

[0005] The present invention provides a caliper automatic feeding and fixing mechanism, wherein the mechanism comprises a base plate, a vertical plate, a stepper motor, a synchronous pulley, a synchronous belt, a driving shaft, a driving sprocket, a chain, a bearing seat assembly, an idler shaft, a shaft support, an idler, a caliper fixing piece and a stepper motor mounting plate, the vertical plates are arranged on both sides of the base plate, the bearing seat assemblies and the shaft support are symmetrically arranged on the upper end surfaces of the vertical plates on both sides, the driving shaft is arranged on the bearing seat assembly, the synchronous pulley and the driving sprocket are arranged on the driving shaft, the idler shaft is arranged on the shaft support, and the idler is arranged on the The caliper fixing part is fixed on the mounting hole on the chain, and the caliper is fixed in the caliper fixing part. The stepper motor is arranged on the bottom plate through the stepper motor mounting seat, and the rotational motion is transmitted to the synchronous belt pulley through the synchronous belt, thereby driving the driving shaft to rotate. After the driving shaft rotates, the driving sprocket rotates accordingly, driving the chain and the idler to circulate, so that the caliper on the chain realizes circulatory motion.

[0006] Preferably, the mechanism also includes a support, an axle support, a tensioning wheel device and a tensioning wheel device mounting shaft, the supports are also symmetrically arranged on the upper end surfaces of the vertical plates on both sides, the axle support is arranged on the support, the tensioning wheel device mounting shaft is arranged on the axle support, and the tensioning wheel device is arranged on the chain on the left and right sides of the tensioning wheel device mounting shaft for tensioning the chain.

[0007] Preferably, the mechanism also includes a limiting unit, which is arranged on the caliper, and multi-directional limiting is performed by adjusting the clamping force of the limiting unit to ensure that the caliper is not easy to fall off while being fixed, and the caliper can be released from the limit of the limiting unit after being clamped by the robot.

[0008] Preferably, the limiting unit is a spring plunger.

[0009] Preferably, the bottom plate is a square plate.

[0010] Through the above technical solution, the caliper to be inspected can be transported to the position to be inspected according to the station cycle by means of a stepper motor driving a sprocket and a chain, which provides support for the caliper calibration equipment to realize an automated loading method, making the caliper automated detection more convenient, improving the detection efficiency, and reducing labor costs. In addition, the present invention makes the various components reasonably arranged in structure, realizes the automatic circulation of the caliper in a certain space to the maximum extent, and the structure of each component is reliable and the operation is stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The included drawings are used to provide a further understanding of the embodiments of the present invention, which constitute a part of the specification, are used to illustrate the embodiments of the present invention, and together with the text description, explain the principles of the present invention. Obviously, the drawings in the following description are only some embodiments of the present invention, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0012] Figure 1 It shows an axial side view of an automatic caliper loading and fixing mechanism according to an embodiment of the present invention;

[0013] Figure 2 It shows a front view of a caliper automatic feeding and fixing mechanism according to an embodiment of the present invention;

[0014] Figure 3 A top view of an automatic caliper loading and fixing mechanism according to an embodiment of the present invention is shown;

[0015] Figure 4 A right side view of an automatic caliper loading and fixing mechanism according to an embodiment of the present invention is shown;

[0016] Figure 5 A structural view of a caliper fixing member of an automatic caliper feeding and fixing mechanism according to an embodiment of the present invention is shown;

[0017] Figure 6 A structural view of a spring plunger of an automatic caliper loading and fixing mechanism according to an embodiment of the present invention is shown.

[0018] Description of Reference Numerals

[0019] 1 base plate, 2 vertical plate, 3 stepper motor, 4 synchronous pulley, 5 synchronous belt, 6 driving shaft, 7 driving sprocket, 8 chain, 9 bearing seat assembly, 10 idler shaft, 11 shaft support, 12 idler, 13 support, 14 shaft support, 15 tensioner device, 16 caliper fixing part, 17 caliper, 18 limit unit, 19 stepper motor mounting plate, 20 tensioner device mounting shaft. DETAILED DESCRIPTION

[0020] It should be noted that, in the absence of conflict, the embodiments in this application and the features in the embodiments can be combined with each other. The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means intended to limit the present invention and its application or use. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0022] Unless otherwise specifically stated, the relative arrangement of the parts and steps described in these embodiments, numerical expressions and numerical values ​​do not limit the scope of the present invention. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, method and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, method and equipment should be regarded as a part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once a certain item is defined in an accompanying drawing, it does not need to be further discussed in subsequent drawings.

[0023] The automatic caliper loading and fixing mechanism of the present invention can be used to provide automatic caliper loading and fixing for an automatic caliper calibration device.

[0024] like Figure 1-5 As shown, an embodiment of the present invention provides an automatic feeding and fixing mechanism for a caliper, wherein the mechanism includes a base plate 1, a vertical plate 2, a stepping motor 3, a synchronous pulley 4, a synchronous belt 5, a driving shaft 6, a driving sprocket 7, a chain 8, a bearing seat assembly 9, an idler shaft 10, a shaft support 11, an idler wheel 12, a caliper fixing member 16 and a stepping motor mounting plate 19, wherein the vertical plates 2 are arranged on both sides of the base plate 1, the bearing seat assemblies 9 and the shaft support 11 are symmetrically arranged on the upper end surfaces of the vertical plates 2 on both sides, the driving shaft 6 is arranged on the bearing seat assembly 9, the synchronous pulley 4 and the driving sprocket 7 are arranged on the driving shaft 6, the idler shaft 10 is arranged on the shaft support 11, and the idler The wheel 12 is arranged on the idler shaft 10, the chain 8 is arranged on the driving sprocket 7 and the idler 12, forming a closed chain circulation mechanism, the caliper fixing part 16 is fixed on the mounting hole on the chain 8, the caliper (caliper to be inspected) 17 is fixed in the caliper fixing part 16, the stepper motor 3 is arranged on the base plate 1 through the stepper motor mounting seat 19, and the rotational motion is transmitted to the synchronous pulley 4 through the synchronous belt 5, thereby driving the driving shaft 6 to rotate. After the driving shaft 6 rotates, the driving sprocket 7 rotates accordingly, driving the chain 8 and the idler 12 to circulate, so that the caliper 17 on the chain 8 can realize circulatory motion.

[0025] Among them, reference Figure 3 When the caliper 17 moves to the horizontal position, the stepper motor 3 stops rotating. At this time, the position of the caliper 17 is the loading station where the manipulator of the caliper automatic calibration device can perform a grabbing action. Thus, the caliper of each station can move to the horizontal position to enter the inspection process.

[0026] Through the above technical solution, the caliper to be inspected can be transported to the position to be inspected according to the station cycle by means of a stepper motor driving a sprocket and a chain, which provides support for the caliper calibration equipment to realize an automated loading method, making the caliper automated detection more convenient, improving the detection efficiency, and reducing labor costs. In addition, the present invention makes the various components reasonably arranged in structure, realizes the automatic circulation of the caliper in a certain space to the maximum extent, and the structure of each component is reliable and the operation is stable.

[0027] That is, the automatic caliper loading and fixing mechanism described in the present invention can effectively realize the automatic caliper loading (automatically transporting the caliper at each workstation to a position where the robot can clamp it), providing technical support for the realization of automatic caliper measurement and testing equipment.

[0028] According to one embodiment of the present invention, the mechanism also includes a support 13, an axle support 14, a tensioning wheel device 15 and a tensioning wheel device mounting shaft 20, the support 13 is also symmetrically arranged on the upper end surfaces of the vertical plates 2 on both sides, the axle support 14 is arranged on the support 13, the tensioning wheel device mounting shaft 20 is arranged on the axle support 14, and the tensioning wheel device 15 is arranged on the chain 8 on the left and right sides of the tensioning wheel device mounting shaft 20, for tensioning the chain 8.

[0029] According to one embodiment of the present invention, the mechanism also includes a limiting unit 18, which is arranged on the caliper 17. Multi-directional limiting is performed by adjusting the clamping force of the limiting unit 18 to ensure that the caliper 17 is not easy to fall off while being fixed, and the caliper 17 can be released from the limiting position of the limiting unit 18 after being clamped by the robot.

[0030] Thereby, the reliable fixation of the caliper during the conveying process and the rapid grasping of the robot arm after the caliper moves to the horizontal position can be further achieved.

[0031] According to an embodiment of the present invention, the limiting unit 18 is a spring plunger. Figure 6 shown.

[0032] According to an embodiment of the present invention, the bottom plate is a square plate.

[0033] The automatic loading and fixing mechanism of the caliper of the present invention is described below with reference to examples.

[0034] Among them, the caliper automatic loading and fixing mechanism can realize the clamping, fixing and automatic loading and unloading of calipers of different specifications and types. Specifically:

[0035] 1) The mechanism includes a base plate, a vertical plate, a stepper motor, a synchronous pulley, a synchronous belt, a driving shaft, a driving sprocket, a chain, a bearing seat assembly, an idler shaft, a shaft support, an idler, a support, a shaft support, a tensioning wheel device, a tensioning wheel device mounting shaft, a caliper fixing, a stepper motor mounting plate and a spring plunger;

[0036] 2) The bottom plate is a square plate structure, which supports the entire mechanism and can be fixed on the whole machine. Vertical plates are installed on the left and right sides of the bottom plate. Three types of supports are installed above the vertical plates on both sides to support three types of transmission shafts. The driving sprocket, idler wheel and tensioning wheel device are installed on the transmission shaft. A chain is installed between the driving sprocket and the idler wheel, which can move in a cycle.

[0037] 3) Install a synchronous pulley at one end of the driving sprocket, install the stepper motor on the bottom plate through the stepper motor mounting seat, drive the driving sprocket to rotate through the synchronous belt, and drive the idler wheel to rotate synchronously through the chain. At this time, the chain can realize the cyclic rotation movement of the caliper loading and unloading device through the movement of the driving wheel and the driven wheel;

[0038] 4) The tensioning device is installed on the transmission shaft in the middle position (the tensioning wheel device installation shaft on the shaft support), and one group is installed in the middle of the left and right sets of chains. The chain tensioning function can be realized by adjusting the tensioning device, and the chain tensioning adjustment can be realized to achieve smooth rotation of the loading and unloading device.

[0039] 5) The caliper fixing part is installed on the chain and follows the cyclic movement of the chain. The caliper is installed on the caliper fixing part and is limited by multiple spring plungers.

[0040] In the description of the present invention, it is necessary to understand that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings. They are only for the convenience of describing the present invention and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the devices or elements referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of the present invention. The directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0041] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0042] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the present invention.

[0043] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A caliper automatic feeding and fixing mechanism, characterized in that: The mechanism comprises a base plate (1), a vertical plate (2), a stepping motor (3), a synchronous pulley (4), a synchronous belt (5), a driving shaft (6), a driving sprocket (7), a chain (8), a bearing seat assembly (9), an idler shaft (10), a shaft support (11), an idler wheel (12), a caliper fixing member (16) and a stepping motor mounting plate (19), wherein the vertical plates (2) are arranged on both sides of the base plate (1), the bearing seat assembly (9) and the shaft support (11) are symmetrically arranged on the upper end surfaces of the vertical plates (2) on both sides, the driving shaft (6) is arranged on the bearing seat assembly (9), the synchronous pulley (4) and the driving sprocket (7) are arranged on the driving shaft (6), the idler shaft (10) is arranged on the shaft support (11), and the idler wheel (12) is arranged on the upper end surfaces of the vertical plates (2) on both sides. On the idler shaft (10), the chain (8) is arranged on the driving sprocket (7) and the idler (12) to form a closed chain circulation mechanism, the caliper fixing part (16) is fixed on the mounting hole on the chain (8), and the caliper (17) is fixed in the caliper fixing part (16). The stepper motor (3) is arranged on the base plate (1) through the stepper motor mounting seat (19), and the rotational motion is transmitted to the synchronous belt wheel (4) through the synchronous belt (5), thereby driving the driving shaft (6) to rotate. After the driving shaft (6) rotates, the driving sprocket (7) rotates accordingly, driving the chain (8) and the idler (12) to circulate, so that the caliper (17) on the chain (8) can realize circulatory motion.

2. The mechanism according to claim 1, characterized in that: The mechanism also includes a support (13), an axle support (14), a tensioning wheel device (15) and a tensioning wheel device mounting shaft (20); the support (13) is also symmetrically arranged on the upper end surfaces of the vertical plates (2) on both sides; the axle support (14) is arranged on the support (13); the tensioning wheel device mounting shaft (20) is arranged on the axle support (14); the tensioning wheel device (15) is arranged on the chain (8) on the left and right sides of the tensioning wheel device mounting shaft (20) for tensioning the chain (8).

3. The mechanism according to claim 2, characterized in that: The mechanism also includes a limiting unit (18) which is arranged on the caliper (17) and performs multi-directional limiting by adjusting the pressing force of the limiting unit (18), thereby ensuring that the caliper (17) is not easy to fall off while being fixed, and allowing the caliper (17) to escape from the limiting position of the limiting unit (18) after being clamped by the robot.

4. The mechanism according to claim 3, characterized in that: The limiting unit (18) is a spring plunger.

5. The mechanism according to claim 4, characterized in that: The bottom plate is a square plate.

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