Positioning device for carton printing

Abstract

The utility model discloses a positioning device for carton printing, which comprises a horizontally arranged platform plate, an inner ring is fixedly connected onto the platform plate, an outer ring is coaxially arranged outside the inner ring, the outer ring is rotatably connected onto the platform plate, and a driving mechanism for controlling the outer ring to rotate relative to the inner ring is arranged on the platform plate. The inner ring is provided with a plurality of mounting holes which extend in the radial direction and are arranged in an annular array mode around the axis, positioning columns are connected into the mounting holes in a sliding mode, check rings arranged between the inner ring and the outer ring are arranged on the positioning columns, the positioning columns are sleeved with elastic pieces, and one ends of the elastic pieces abut against the inner ring, and the other ends of the elastic pieces abut against the outer ring. Protruding parts matched with the positioning columns one by one are distributed on the periphery of the inner side face of the outer ring, and the two sides of the protruding parts are in arc transition connection with the outer ring. The positioning column is rotatably connected with a guide wheel with the wheel face tightly attached to the outer ring, and the axis of the guide wheel is parallel to the axis of the outer ring. The positioning device has the advantages of being high in specificity, accurate in positioning, complete in overall function and high in practicability.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical equipment technical field more specifically, it relates to a positioning device for carton printing. BACKGROUND

[0002] The round carton is compared to the square carton without side positioning, when printing on its upper end face or lower end face, positioning is inconvenient. Inaccurate positioning will make the printing position deviate, influence printing quality, and the overall effect is not good. Accordingly, the utility model provides a positioning device for carton printing. UTILITY MODEL CONTENTS

[0003] The utility model aims at overcoming the deficiency in the prior art, and provides a positioning device for carton printing, which has the characteristics of strong speciality and accurate positioning.

[0004] To solve the above technical problem, the utility model aims at realizing the following: a positioning device for carton printing, which comprises a platform plate arranged horizontally, an inner ring is fixedly connected to the platform plate, an outer ring is coaxially arranged outside the inner ring, the outer ring is rotatably connected to the platform plate, a driving mechanism for rotating the outer ring relative to the inner ring is arranged on the platform plate, a plurality of mounting holes extending along the radial direction and arranged in annular array around the axis are formed in the inner ring, a positioning column is slidably connected in the mounting hole, a stop ring is arranged between the inner ring and the outer ring on the positioning column, an elastic member with one end abutting against the inner ring and the other end abutting against the outer ring is sleeved on the positioning column, a convex portion matched with the positioning column is arranged on the inner side of the outer ring, and the two sides of the convex portion are connected to the outer ring in arc transition.

[0005] The utility model is further provided with the following arrangement: a guide wheel with the wheel surface abutting against the outer ring is rotatably connected to the positioning column, and the axis of the guide wheel is parallel to the axis of the outer ring.

[0006] The utility model is further provided with the following arrangement: the driving mechanism comprises an arm rod extending along the radial direction of the outer ring, the arm rod is fixedly connected to the outer ring, a first pin is arranged on the arm rod, a second pin is arranged on the platform plate, and a push rod cylinder with one end hinged to the first pin and the other end hinged to the second pin is arranged between the first pin and the second pin.

[0007] The utility model is further provided with the following arrangement: a guide sleeve sleeved on the positioning column is embedded in the mounting hole, and the guide sleeve is slidably connected to the positioning column.

[0008] The utility model is further provided with the following arrangement: the end of the positioning column away from the outer ring has a ball head.

[0009] The utility model is further provided with the following arrangement: the elastic member is a compression spring.

[0010] In summary, the paper box printing positioning device has the advantages that the outer ring is rotated relative to the inner ring by operating the driving mechanism, the positioning column is driven to move axially through linkage of the mechanism, the circular paper box placed on the central platform plate is positioned, the device has strong speciality, high positioning accuracy, perfect overall function and high practicability. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 is a schematic diagram of the overall structure of the utility model;

[0012] Figure 2 is a schematic diagram of part of the structure of the utility model. DETAILED DESCRIPTION

[0013] In order to enable those skilled in the art to better understand the technical scheme of the utility model, the preferred implementation scheme of the utility model will be described below in combination with specific implementation examples, but it should be understood that these descriptions are only for further illustrating the features and advantages of the utility model, and are not a limitation on the utility model patent claims. Based on the examples in the utility model, all other examples obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0014] The utility model will be further described below in combination with the drawings and the preferred examples.

[0015] Example 1

[0016] Referring to Figure 1 and Figure 2 , the paper box printing positioning device of the present embodiment comprises a platform plate 1 arranged horizontally, the platform plate 1 is fixedly connected with an inner ring 2, the outer coaxial line of the inner ring 2 is provided with an outer ring 3, the outer ring 3 is rotatably connected to the platform plate 1, the platform plate 1 is provided with a driving mechanism for controlling the rotation of the outer ring relative to the inner ring, a plurality of mounting holes (not marked) extending along the radial direction and arranged in annular array around the axis are formed in the inner ring 2, a positioning column 4 is slidably connected in the mounting hole, the positioning column 4 is provided with a check ring 5 arranged between the inner ring and the outer ring, an elastic member 6 with one end abutting against the inner ring and the other end abutting against the outer ring is sleeved on the positioning column 4, the elastic member 6 is a compression spring, the inner side of the outer ring 3 is circumferentially provided with a protruding portion 7 matched with the positioning column one by one, the two sides of the protruding portion 7 are arc transitionally connected with the outer ring 3.

[0017] Further, the driving mechanism comprises an arm rod 9 extending along the radial direction of the outer ring 3, the arm rod 9 is fixedly connected to the outer ring 3, the arm rod 9 is provided with a first pin 10, the platform plate 1 is provided with a second pin 11, a push rod cylinder 12 with one end hinged to the first pin and the other end hinged to the second pin is arranged between the first pin 10 and the second pin 11.

[0018] Further, the positioning column 4 has a ball head 14 at the end away from the outer ring.

[0019] In this embodiment, the round paper box to be positioned for end face printing is first placed in the center of the platform plate 1 (i.e. inside the inner ring 2), then the push rod cylinder 12 is extended, the outer ring 3 is rotated relative to the inner ring 2, the protruding part 7 is moved to the rear of the positioning column 4, the positioning column 4 is pushed, and all the positioning columns 4 that are retracted outward position the round paper box located in the center.

[0020] When the round paper box needs to be taken out, the push rod cylinder 12 is shortened, the outer ring 3 is rotated in the opposite direction relative to the inner ring 2, the protruding part 7 is moved away from the rear of the positioning column 4, the positioning column 4 moves away from the round paper box under the resetting action of the elastic member 6, the round paper box is loosened, and the round paper box can be taken out from the center of the platform plate.

[0021] Among them, the elastic member 6 cooperates with the setting of the retaining ring 5 to reset the positioning column 4.

[0022] Among them, the ball head 14 is set to support positioning, reduce the stress surface, and make the positioning more accurate.

[0023] Example 2

[0024] Referring to Figure 1 and Figure 2 , the positioning device for paper box printing involved in this embodiment is further provided with a guide wheel 8 with a wheel surface closely contacting the outer ring, which is rotatably connected to the positioning column 4, and the axis of the guide wheel 8 is parallel to the axis of the outer ring 3.

[0025] In this embodiment, the sliding friction between the outer ring and the positioning column 4 is converted into rolling friction by the setting of the guide wheel 8, the friction is reduced, and the transmission is smoother and more reliable.

[0026] Example 3

[0027] Referring to Figure 1 and Figure 2 , the positioning device for paper box printing involved in this embodiment is further provided with a guide sleeve 13 nested on the positioning column 4 in the mounting hole, and the guide sleeve 13 is slidably connected to the positioning column 4.

[0028] In this embodiment, the guide sleeve 13 is set to guide the sliding of the positioning column 4.

[0029] The positioning device for paper box printing is characterized in that the outer ring is driven to rotate relative to the inner ring through the operation of the driving mechanism, the positioning column is driven to move axially through linkage of the mechanism, and the circular paper box placed on the central platform plate is positioned.

[0030] In the present application, if there are terms of "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. to indicate the orientation or positional relationship, it is based on the actual shown orientation or positional relationship, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms of describing the orientation or positional relationship in the present application are only used for exemplary illustration, and cannot be understood as the limitation of the present patent, and for the ordinary skilled in the art, the specific meaning of the above terms can be understood in combination with the embodiments and according to the specific situation.

[0031] Unless otherwise clearly specified and limited, in the present application, if there are terms of "setting", "connecting" and "connecting", they should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium, or the communication inside two elements. For the ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific situation.

[0032] The above detailed the preferred embodiments of the present application. It should be understood that the ordinary skilled in the art can make many modifications and changes without creative labor according to the concept of the present application. Therefore, any technical solution obtained by logical analysis, reasoning or limited experiment on the basis of the prior art according to the concept of the present application should be within the protection scope determined by the claims.

Claims

1. A positioning device for carton printing comprising a platform plate arranged horizontally, characterized in that: The inner ring is fixedly connected on the platform plate, the outer ring is coaxially arranged outside the inner ring, the outer ring is rotatably connected on the platform plate, the platform plate is provided with a driving mechanism for controlling the rotation of the outer ring relative to the inner ring, the inner ring is provided with a plurality of mounting holes which extend along the radial direction and are arranged in an annular array around the axis, a positioning column is slidably connected in the mounting hole, the positioning column is provided with a retaining ring between the inner ring and the outer ring, an elastic member is sleeved on the positioning column, one end of the elastic member abuts against the inner ring and the other end abuts against the outer ring, the inner side of the outer ring is circumferentially provided with a protruding portion matched with the positioning column, the two sides of the protruding portion are arc transitionally connected with the outer ring.

2. The paper box printing positioning device according to claim 1, characterized in that: A guide wheel is rotatably connected on the positioning column, the wheel surface of the guide wheel is tightly abutted against the outer ring, and the axis of the guide wheel is parallel to the axis of the outer ring.

3. The positioning device for carton printing according to claim 1 or 2, characterized in that: The driving mechanism comprises an arm rod which extends along the radial direction of the outer ring, the arm rod is fixedly connected on the outer ring, a first pin is arranged on the arm rod, a second pin is arranged on the platform plate, and a push rod cylinder is arranged between the first pin and the second pin, one end of the push rod cylinder is hingedly connected with the first pin and the other end is hingedly connected with the second pin.

4. The paper box printing positioning device according to claim 3, characterized in that: A guide sleeve is embedded in the mounting hole and sleeved on the positioning column, and the guide sleeve is slidably connected on the positioning column.

5. The paper box printing positioning device according to claim 1, wherein: The end of the positioning column away from the outer ring has a ball head.

6. The paper box printing positioning device according to claim 1, wherein: The elastic member is a compression spring.

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