Novel remodeling positioning mechanism

Abstract

The utility model discloses a novel remodeling positioning mechanism which comprises a fixing plate and a remodeling plate connected with the fixing plate, and a positioning air cylinder stretching out and drawing back in the vertical direction is installed on the remodeling plate. Wherein the positioning air cylinder is used for making contact with the end face of a product, the fixing plate and the remodeling plate extend in the vertical direction, a driving motor is installed on the side wall of the fixing plate, a driving part is installed on an output shaft of the driving motor, and a driven part matched with the driving part is arranged on the remodeling plate so that the positioning air cylinder on the remodeling plate can move in the horizontal direction. The driving motor on the fixing plate is used for driving the positioning air cylinder on the remodeling plate to conduct position fine adjustment in the horizontal direction, meanwhile, the positioning air cylinder makes contact with the end faces of the products in the vertical direction, products of multiple models can be limited, adjustment can be conducted at will along with changes of the products, and the device is simple in structure, convenient to operate and low in cost. The positioning device is low in cost, small in appearance and particularly suitable for model changing and positioning of small-size products.

Description

Technical Field

[0001] The utility model belongs to the technical field of tooling fixtures, and in particular relates to a novel type-changing positioning mechanism. Background Art

[0002] At present, in order to save costs and space, the production lines of most factories do not produce only one model of products, but multiple models of products share one production line. However, due to the different sizes of different models of products, when replacing different models of products, a set of positioning fixtures is often used to correspond to one product. When the product needs to be produced, the model is changed by installing and removing screws and pins. This is not only inefficient, but also costly. Some factories use modules to change models and position. This method is costly and it is difficult to control the shape of the entire mechanism to be very small, that is, it is used for automatic positioning of smaller products. Utility Model Content

[0003] The purpose of the utility model is to overcome the defects of the prior art and provide a novel mold changing and positioning mechanism, which utilizes a driving motor on a fixed plate to drive a positioning cylinder on a mold changing plate to perform fine position adjustment in the horizontal direction, and simultaneously utilizes the positioning cylinder to contact the end face of the product in the vertical direction, thereby limiting the position of products of multiple models, that is, it can be adjusted at will as the products change, has a simple structure, low cost and a small appearance, and is particularly suitable for mold changing and positioning of small-sized products.

[0004] The purpose of the utility model is achieved through the following technical solutions:

[0005] A novel type-changing positioning mechanism comprises a fixed plate and a type-changing plate connected to the fixed plate, wherein a positioning cylinder extending and retracting in a vertical direction is mounted on the type-changing plate;

[0006] Among them, the positioning cylinder is used to contact the end face of the product, the fixed plate and the change plate both extend in the vertical direction, a driving motor is installed on the side wall of the fixed plate, an active part is installed on the output shaft of the driving motor, and the change plate has a passive part that cooperates with the active part to allow the positioning cylinder on the change plate to move in the horizontal direction.

[0007] In one embodiment, the active member is a gear mounted on the output shaft, and the passive member is a rack meshing with the gear.

[0008] In one embodiment, the mold changing plate is further provided with a plurality of stabilizing components connected to the fixed plate, the stabilizing components are located on the side where the mold changing plate and the fixed plate are close to each other, the driving motor is arranged on the side of the fixed plate away from the stabilizing components, the output shaft of the driving motor passes through the fixed plate and the mold changing plate, and the active part on the output shaft is located on the side of the mold changing plate away from the stabilizing components.

[0009] In one embodiment, the fixing plate and the change plate are both provided with a through hole for the output shaft of the driving motor to pass through.

[0010] In one embodiment, a plurality of the stabilizing components are symmetrically arranged on both sides of the output shaft of the driving motor.

[0011] In one embodiment, the stabilizing component includes a linear guide rail and a slider matching the linear guide rail, the fixing plate is provided with a groove for installing the linear guide rail, one side of the slider is installed on the linear guide rail, and the other side is connected to the change plate.

[0012] In one embodiment, the sliding block has a protruding connecting portion on a side away from the linear guide rail, and the change plate is provided with a connecting hole for the connecting portion to penetrate.

[0013] In one embodiment, a connection hole is provided on the change plate, a screw connected to the slider is provided in the connection hole, the head of the screw contacts the side wall of the change plate, and the size of the screw is larger than the size of the connection hole.

[0014] In one embodiment, a photoelectric switch electrically connected to the drive motor is further disposed on the top of the fixed plate, and a sensor sheet for triggering the photoelectric switch is disposed on the top of the change plate.

[0015] In one embodiment, the length of the rack is 30 mm.

[0016] The beneficial effects of the utility model are:

[0017] (1) The driving motor on the fixed plate drives the positioning cylinder on the change plate to fine-tune the position in the horizontal direction, and the positioning cylinder is used to contact the end surface of the product in the vertical direction, so that multiple models of products can be limited, that is, they can be adjusted at will as the products change. It has a simple structure, low cost and small appearance, and is particularly suitable for the change and positioning of small-sized products;

[0018] (2) The stabilizing component is provided to make the connection between the fixed plate and the change plate more stable. At the same time, the driving motor and the gear are located on the side away from the stabilizing component, which reduces the volume of the positioning mechanism and makes the translation of the change plate more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention will be described in more detail below based on embodiments and with reference to the accompanying drawings.

[0020] in:

[0021] Figure 1 The schematic diagram of the structure of the utility model is shown;

[0022] Figure 2 A schematic diagram showing the structure of the utility model in another direction;

[0023] In the drawings, like reference numerals are used for like parts. The drawings are not necessarily to scale.

[0024] Reference numerals:

[0025] 1-fixed plate, 2-changing plate, 3-sensing plate, 4-linear guide, 5-slider, 6-driving motor, 7-gear, 8-photoelectric switch, 9-rack, 10-positioning cylinder, 11-through hole, 12-groove, 13-connecting hole, 601-output shaft. DETAILED DESCRIPTION

[0026] The utility model will be further described below in conjunction with the accompanying drawings.

[0027] The utility model provides a new type of positioning mechanism, such as Figure 1 and Figure 2 As shown, it includes a fixed plate 1 and a change plate 2 connected to the fixed plate 1, and a positioning cylinder 10 that can be extended and retracted in the vertical direction is installed on the change plate 2;

[0028] Among them, the positioning cylinder 10 is used to contact the end surface of the product, the fixed plate 1 and the changing plate 2 are extended in the vertical direction, the side wall of the fixed plate 1 is installed with a driving motor 6, the output shaft 601 of the driving motor 6 is installed with an active part, and the changing plate 2 has a passive part that cooperates with the active part, so that the positioning cylinder 10 on the changing plate 2 can be displaced in the horizontal direction;

[0029] It should be noted that the driving motor 6 on the fixed plate 1 drives the positioning cylinder 10 on the change plate 2 to perform fine position adjustment in the horizontal direction, and the positioning cylinder 10 is used to contact the end surface of the product in the vertical direction, so that multiple models of products can be limited, that is, it can be adjusted at will as the product changes. It has a simple structure, low cost and small appearance, and is particularly suitable for the change positioning of small-sized products.

[0030] Specifically, Figure 1As shown, the active part is the gear 7 installed on the output shaft 601, and the passive part is the rack 9 meshing with the gear 7, that is, the driving motor 6 drives the gear 7 to rotate clockwise or counterclockwise, thereby driving the rack 9 meshing with the gear 7 to move left or right, and the positioning cylinder 10 on the change plate 2 can be moved left or right to position products of different models;

[0031] In one embodiment, Figure 1 and Figure 2 As shown, the mold-changing plate 2 is also provided with a plurality of stabilizing components connected with the fixed plate 1, the stabilizing components are located on the side where the mold-changing plate 2 and the fixed plate 1 are close to each other, and the driving motor 6 is arranged on the side of the fixed plate 1 away from the stabilizing components, and the output shaft 601 of the driving motor 6 passes through the fixed plate 1 and the mold-changing plate 2, and the active part on the output shaft 601 is located on the side of the mold-changing plate 2 away from the stabilizing components, that is, the stabilizing components are used to make the connection between the fixed plate 1 and the mold-changing plate 2 more stable, and at the same time make the translation of the mold-changing plate 2 more stable, and the driving motor 6 and the gear 7 are both located on the side away from the stabilizing components, so as to reduce the volume of the entire positioning mechanism;

[0032] Furthermore, if Figure 1 As shown, two stabilizing components are arranged on the mold-changing plate 2, and the two stabilizing components are symmetrically arranged on both sides of the output shaft 601 of the driving motor 6, that is, they are located on the upper and lower sides of the output shaft 601, so that the mold-changing plate 2 does not affect the operation of the driving motor 6 during the movement, while improving the movement stability of the mold-changing plate 2;

[0033] Specifically, Figure 1 As shown, the fixed plate 1 and the change plate 2 are both provided with a through hole 11 for the output shaft 601 of the driving motor 6 to pass through, the stabilizing component includes a linear guide rail 4 and a slider 5 matched with the linear guide rail 4, the fixed plate 1 is provided with a groove 12 for installing the linear guide rail 4, one side of the slider 5 is installed on the linear guide rail 4, and the other side is connected to the change plate 2, that is, the fixed plate 1 and the change plate 2 are connected through the linear guide rail 4 and the slider 5 matched therewith, the linear guide rail 4 is installed in the groove 12 on the fixed plate 1, the slider 5 is connected with the change plate 2, and then the slider 5 is installed on the linear guide rail 4, so that the change plate 2 can slide smoothly, thereby improving the accuracy of its displacement;

[0034] In one embodiment, the slider 5 has a protruding connection part on one side away from the linear guide rail 4, and the mold changing plate 2 is provided with a connection hole 13 for the connection part to penetrate, that is, the slider 5 can be provided with a protruding connection part, and the connection part is connected with the connection hole 13 on the mold changing plate 2 by using the connection part, and the connection part can be interference fit with the connection hole 13, and a limit block fixed to the connection part can also be provided to press the mold changing block;

[0035] In one embodiment, a connection hole 13 may be provided on the mold-changing plate 2, and a screw connected to the slider 5 may be provided in the connection hole 13, the head of the screw may contact the side wall of the mold-changing plate 2, and the size of the screw may be larger than the size of the connection hole 13, that is, the mold-changing plate 2 may be pressed by the head of the screw, and the screw part of the screw may be fixedly connected to the slider 5, so that the mold-changing plate 2 and the slider 5 may be firmly connected together;

[0036] In one embodiment, the length of the rack 9 is 30 mm, which means that the positioning cylinder 10 can be adjusted within the range of 0 to 30 mm. This embodiment is suitable for the changeover positioning operation of small-sized products, and is suitable for the situation where the size difference between special-shaped products is less than 30 mm. It solves the problem that the conventional module changeover positioning structure is large in volume and difficult to be used for positioning small-sized products. The changeover block in this embodiment, driven by the gear 7, fine-tunes the horizontal position of the positioning cylinder 10 within the range of 0 to 30 mm, so that it can position small-sized products of different models on a production line without configuring multiple sets of positioning fixtures, thereby improving positioning efficiency and reducing production costs.

[0037] In one embodiment, a photoelectric switch 8 electrically connected to the drive motor 6 is also provided on the top of the fixed plate 1, and a sensor sheet 3 for triggering the photoelectric switch 8 is provided on the top of the mold-changing plate 2, that is, in this embodiment, the drive motor 6 is controlled by the controller to realize automatic mold-changing operation, that is, according to the sorting of products of different models on the production line and the conveying speed of the production line, the controller is preset with an instruction for the positioning cylinder 10 to move a distance to the left or right so that it can automatically change the model. In order to improve the accuracy of its automatic mold-changing, when the product model on the production line changes, the drive motor 6 drives the mold-changing plate 2 to reset, even if the sensor sheet 3 on the mold-changing plate 2 moves to trigger the photoelectric switch 8, at this time, the drive motor 6 is controlled to be turned off, so that the mold-changing plate 2 is reset to its initial position, that is, the initial position is always used as the coordinate origin. When the product model changes, the mold-changing plate 2 starts from the coordinate origin and moves a preset distance to the left or right for automatic mold-changing positioning, thereby improving the accuracy of its automatic mold-changing process;

[0038] In the description of the present invention, it should be understood that the terms "upper", "lower", "bottom", "top", "front", "back", "inside", "outside", "left", "right", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0039] Although the present invention is described herein with reference to specific embodiments, it should be understood that these embodiments are merely examples of the principles and applications of the present invention. It should therefore be understood that many modifications may be made to the exemplary embodiments, and other arrangements may be designed without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that the features described in the various dependent claims and herein may be combined in a manner different from that described in the original claims. It may also be understood that the features described in conjunction with the individual embodiments may be used in other described embodiments.

Claims

1. A new type of change positioning mechanism, characterized in that: It comprises a fixed plate and a change plate connected to the fixed plate, wherein a positioning cylinder extending and retracting in a vertical direction is installed on the change plate; Among them, the positioning cylinder is used to contact the end face of the product, the fixed plate and the change plate both extend in the vertical direction, a driving motor is installed on the side wall of the fixed plate, an active part is installed on the output shaft of the driving motor, and the change plate has a passive part that cooperates with the active part to allow the positioning cylinder on the change plate to move in the horizontal direction.

2. A new type of positioning mechanism according to claim 1, characterized in that: The active component is a gear mounted on the output shaft, and the passive component is a rack meshed with the gear.

3. A new type of positioning mechanism according to claim 1 or 2, characterized in that: The mold changing plate is also provided with a plurality of stabilizing components connected to the fixed plate, the stabilizing components are located on the side where the mold changing plate and the fixed plate are close to each other, the driving motor is arranged on the side of the fixed plate away from the stabilizing components, the output shaft of the driving motor passes through the fixed plate and the mold changing plate, and the active part on the output shaft is located on the side of the mold changing plate away from the stabilizing components.

4. A new type of positioning mechanism according to claim 3, characterized in that: The fixing plate and the change plate are both provided with through holes for the output shaft of the driving motor to pass through.

5. A new type of positioning mechanism according to claim 3, characterized in that: The plurality of stabilizing components are symmetrically arranged on both sides of the output shaft of the driving motor.

6. A new type of positioning mechanism according to claim 3, characterized in that: The stabilizing component includes a linear guide rail and a slider matching the linear guide rail. A groove for installing the linear guide rail is provided on the fixing plate. One side of the slider is installed on the linear guide rail, and the other side is connected to the change plate.

7. A novel type-changing positioning mechanism according to claim 6, characterized in that: The sliding block has a protruding connection portion on one side away from the linear guide rail, and the change plate is provided with a connection hole for the connection portion to penetrate.

8. A novel type-changing positioning mechanism according to claim 6, characterized in that: A connecting hole is provided on the mold-changing plate, and a screw connected to the sliding block is arranged in the connecting hole. The head of the screw contacts the side wall of the mold-changing plate, and the size of the screw is larger than that of the connecting hole.

9. A novel type-changing positioning mechanism according to claim 1, characterized in that: A photoelectric switch electrically connected to the driving motor is also arranged on the top of the fixing plate, and a sensing sheet for triggering the photoelectric switch is arranged on the top of the changing plate.

10. A novel type-changing positioning mechanism according to claim 2, characterized in that: The length of the rack is 30 mm.

Images