Guiding and positioning mechanism of plastic mold

Abstract

The utility model discloses a guiding and positioning mechanism of a plastic mould, which comprises a bottom plate, the bottom surface of the bottom plate is fixedly connected with a supporting block, the top surface of the bottom plate is provided with a limiting sliding groove in a penetrating manner, the inner wall of the limiting sliding groove is connected with a limiting sliding block in a sliding manner, and the top surface of the limiting sliding block is fixedly connected with a fixing plate. The positioning mechanism is started to detect the compression molding precision, the moving assembly is started to drive the fixing plate and the mold body to transversely move along the top face of the bottom plate through the limiting sliding block, the transverse compression molding position can be adjusted, the driving mechanism is started to drive the extrusion assembly to longitudinally move, and the longitudinal compression molding position can be adjusted. And meanwhile, the extrusion assembly is pushed to enter the mold body for compression molding work, the aim of automatically positioning and adjusting the compression molding position of the plastic mold conveniently is achieved, and the problem that the quality of compression molding finished products is uneven due to the fact that errors occur during compression molding, deformation of the compression molding finished products and damage to the mold are likely to be caused is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic molds, in particular to a guiding and positioning mechanism of a plastic mold. Background Art

[0002] Plastic mold is the abbreviation of a combined mold used for compression molding, extrusion molding, injection molding, blow molding and low-foaming molding. The coordinated changes of the mold convex and concave molds and the auxiliary molding system can process a series of plastic parts of different shapes and sizes.

[0003] When a plastic mold is performing compression molding, the extrusion accuracy of the mold needs to be ensured. However, existing plastic molds will inevitably have some errors during compression molding. When the extrusion error is large, it is easy to cause deformation of the compression molded product and damage to the mold, resulting in uneven quality of the compression molded product. Utility Model Content

[0004] In view of the deficiencies of the prior art, the utility model provides a guiding and positioning mechanism for a plastic mold, which is used to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A guiding and positioning mechanism for a plastic mold comprises a base plate, the bottom surface of the base plate is fixedly connected to a support block, the top surface of the base plate is penetrated by a limiting slide groove, the inner wall of the limiting slide groove is slidably connected to a limiting slider, the top surface of the limiting slider is fixedly connected to a fixed plate, and the bottom surface of the fixed plate is slidably connected to the top surface of the base plate, the top surface of the fixed plate is fixedly connected to a mold body, the back surface of the base plate is fixedly connected to a fixing frame, a driving mechanism is arranged inside the fixing frame, an extrusion assembly is arranged below the fixing frame, a positioning mechanism is arranged on the surface of the mold body, and a moving assembly is arranged on the left side of the base plate.

[0007] Preferably, the driving mechanism consists of a linear motor, a fixed ring and an electric push rod, the linear motor is fixedly connected to the inner wall of the fixed frame, the fixed ring is fixedly connected to the movable end of the linear motor, and the electric push rod is fixedly connected to the inner wall of the fixed ring.

[0008] Preferably, the extrusion assembly consists of a top plate and an extrusion plate, the top plate is fixedly connected to the output end of the electric push rod, and the top plate overlaps the top surface of the mold body, the extrusion plate is fixedly connected to the bottom surface of the top plate, and the extrusion plate is slidably connected to the inner wall of the mold body.

[0009] Preferably, the positioning mechanism consists of a laser receiver and a laser locator, the laser receiver is fixedly connected to the surface of the mold body, and the laser locator is fixedly connected to the surface of the top plate.

[0010] Preferably, the moving assembly consists of a servo motor, a threaded rod, a limit ring and a threaded sleeve, the servo motor is fixedly connected to the left side of the base plate, the threaded rod is fixedly connected to the output end of the servo motor, the limit ring is fixedly connected to the bottom surface of the base plate, and the inner wall of the limit ring is rotatably connected to the threaded rod, the threaded sleeve is fixedly connected to the bottom surface of the limit slider, and the inner wall of the threaded sleeve is threadedly connected to the threaded rod.

[0011] Preferably, the fixing plate is rectangular and is made of metal material.

[0012] Preferably, there are multiple laser locators, and the multiple laser locators are symmetrically arranged with the vertical center line of the front side of the mold body as the symmetry axis.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the guiding and positioning mechanism of the plastic mold injects plastic into the mold body, starts the positioning mechanism to detect the compression molding accuracy, starts the moving component to drive the fixed plate and the mold body to move horizontally along the top surface of the bottom plate through the limit slider, and the horizontal compression molding position can be adjusted; starts the driving mechanism to drive the extrusion component to move longitudinally, and the longitudinal compression molding position can be adjusted, and at the same time, the extrusion component is pushed into the mold body to perform compression molding; the goal of facilitating automatic positioning and adjustment of the compression molding position of the plastic mold is achieved, and errors during compression molding are avoided, which easily cause deformation of the compression molded product and damage to the mold, thereby leading to the problem of uneven quality of the compression molded product. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is the structural survey drawing of the utility model;

[0015] Figure 2 This is a front cross-sectional view of the structure of the utility model;

[0016] Figure 3 This is an enlarged view of the structure A of the utility model.

[0017] In the figure: 1. bottom plate; 2. support block; 3. limit slide groove; 4. limit slider; 5. fixed plate; 6. mold body; 7. fixed frame; 8. linear motor; 9. fixed ring; 10. electric push rod; 11. top plate; 12. extrusion plate; 13. laser receiver; 14. laser locator; 15. servo motor; 16. threaded rod; 17. limit ring; 18. threaded sleeve. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] Reference Figure 1-3A guiding and positioning mechanism for a plastic mold comprises a bottom plate 1, a support block 2 is fixedly connected to the bottom surface of the bottom plate 1, a limited sliding groove 3 is provided on the top surface of the bottom plate 1, a limited sliding block 4 is slidably connected to the inner wall of the limited sliding groove 3, a fixed plate 5 is fixedly connected to the top surface of the limited sliding block 4, and the bottom surface of the fixed plate 5 is slidably connected to the top surface of the bottom plate 1, the fixed plate 5 is rectangular, and the fixed plate 5 is made of metal material. The fixed plate 5 made of metal material has higher strength, is not easy to wear, deform or damage, and is more durable, a mold body 6 is fixedly connected to the top surface of the fixed plate 5, a fixed frame 7 is fixedly connected to the back of the bottom plate 1, a driving mechanism is arranged inside the fixed frame 7, and the driving mechanism is composed of a linear motor 8, a fixing ring 9 and an electric push rod 10, and the linear motor 8 is fixedly connected to the inner wall of the fixed frame 7 The fixing ring 9 is fixedly connected to the moving end of the linear motor 8, and the electric push rod 10 is fixedly connected to the inner wall of the fixing ring 9, which is used to drive the extrusion assembly to move, so as to facilitate the compression molding and longitudinal adjustment work. An extrusion assembly is arranged below the fixing frame 7, and the extrusion assembly consists of a top plate 11 and an extrusion plate 12. The top plate 11 is fixedly connected to the output end of the electric push rod 10, and the top plate 11 overlaps the top surface of the mold body 6. The extrusion plate 12 is fixedly connected to the bottom surface of the top plate 11, and the extrusion plate 12 is slidably connected to the inner wall of the mold body 6 for extrusion sealing work, so as to facilitate the compression molding of the plastic. A positioning mechanism is arranged on the surface of the mold body 6, and the positioning mechanism consists of a laser receiver 13 and a laser locator 14. The number of the laser locators 14 is multiple. And multiple laser locators 14 are symmetrically arranged with the vertical center line of the front side of the mold body 6 as the symmetry axis, which are used for positioning work, thereby improving the positioning accuracy. The laser receiver 13 is fixedly connected to the surface of the mold body 6, and the laser locator 14 is fixedly connected to the surface of the top plate 11, which is used for positioning work, thereby avoiding errors in compression molding. A moving component is arranged on the left side of the bottom plate 1, and the moving component consists of a servo motor 15, a threaded rod 16, a limit ring 17 and a threaded sleeve 18. The servo motor 15 is fixedly connected to the left side of the bottom plate 1, the threaded rod 16 is fixedly connected to the output end of the servo motor 15, the limit ring 17 is fixedly connected to the bottom surface of the bottom plate 1, and the inner wall of the limit ring 17 is rotatably connected to the threaded rod 16, and the threaded sleeve 18 is fixedly connected to the bottom surface of the limit slider 4. The inner wall of the threaded sleeve 18 is threadedly connected to the threaded rod 16, which is used to drive the mold body 6 to move horizontally, so as to adjust the horizontal compression molding position. The plastic is injected into the mold body 6, and the positioning mechanism is started to detect the compression molding accuracy. The moving component is started to drive the fixed plate 5 and the mold body 6 to move horizontally along the top surface of the bottom plate 1 through the limit slider 4, so as to adjust the horizontal compression molding position. The driving mechanism is started to drive the extrusion component to move longitudinally, so as to adjust the longitudinal compression molding position, and at the same time, the extrusion component is pushed into the mold body 6 to perform compression molding, thereby achieving the goal of automatically positioning and adjusting the compression molding position of the plastic mold, avoiding the problem of uneven quality of the compression molded products caused by errors during compression molding, which may easily cause deformation of the compression molded products and damage to the mold.

[0020] The electrical components mentioned in this article are all connected to an external main controller and 220V mains electricity, and the main controller can be a conventional known device for controlling a computer or the like.

[0021] When in use: first, inject plastic into the mold body 6, start the laser locator 14 to emit laser, and detect the accuracy of compression molding by receiving laser through the laser receiver 13. When the compression molding position needs to be adjusted, start the servo motor 15 to drive the threaded rod 16 to rotate along the inner wall of the limit ring 17, and drive the limit slider 4 to slide horizontally along the inner wall of the limit slide groove 3 through the threaded connection between the threaded rod 16 and the threaded sleeve 18. The movement of the limit slider 4 drives the fixed plate 5 and the mold body 6 to move horizontally along the top surface of the bottom plate 1, so as to adjust the horizontal compression molding position, start the linear motor 8 to drive the fixed ring 9 and the electric push rod 10 to move longitudinally, and drive the top plate 11 and the extrusion plate 12 to move longitudinally through the movement of the electric push rod 10, so as to adjust the longitudinal compression molding position. After the adjustment is completed, start the electric push rod 10 to push the extrusion plate 12 downward through the top plate 11 into the mold body 6, and then the compression molding work can be carried out.

[0022] To summarize, the guiding and positioning mechanism of the plastic mold injects plastic into the mold body 6, starts the positioning mechanism to detect the accuracy of compression molding, starts the moving component to drive the fixed plate 5 and the mold body 6 to move laterally along the top surface of the bottom plate 1 through the limit slider 4, so as to adjust the lateral compression molding position, starts the driving mechanism to drive the extrusion component to move longitudinally, so as to adjust the longitudinal compression molding position, and at the same time pushes the extrusion component into the mold body 6 to perform compression molding, thereby achieving the goal of facilitating automatic positioning and adjustment of the compression molding position of the plastic mold, avoiding the problem of uneven quality of the compression molded products caused by errors during compression molding, and is used to solve the problems raised in the above-mentioned background technology.

[0023] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A guiding and positioning mechanism for a plastic mold, comprising a base plate (1), characterized in that: The bottom surface of the bottom plate (1) is fixedly connected to a support block (2); a limit slide groove (3) is provided through the top surface of the bottom plate (1); the inner wall of the limit slide groove (3) is slidably connected to a limit slide block (4); the top surface of the limit slide block (4) is fixedly connected to a fixed plate (5); the bottom surface of the fixed plate (5) is slidably connected to the top surface of the bottom plate (1); the top surface of the fixed plate (5) is fixedly connected to a mold body (6); the back surface of the bottom plate (1) is fixedly connected to a fixed frame (7); a driving mechanism is arranged inside the fixed frame (7); an extrusion component is arranged below the fixed frame (7); a positioning mechanism is arranged on the surface of the mold body (6); and a moving component is arranged on the left side of the bottom plate (1).

2. A guiding and positioning mechanism for a plastic mold according to claim 1, characterized in that: The driving mechanism is composed of a linear motor (8), a fixed ring (9) and an electric push rod (10); the linear motor (8) is fixedly connected to the inner wall of the fixed frame (7); the fixed ring (9) is fixedly connected to the movable end of the linear motor (8); and the electric push rod (10) is fixedly connected to the inner wall of the fixed ring (9).

3. A guiding and positioning mechanism for a plastic mold according to claim 2, characterized in that: The extrusion assembly is composed of a top plate (11) and an extrusion plate (12); the top plate (11) is fixedly connected to the output end of the electric push rod (10), and the top plate (11) overlaps the top surface of the mold body (6); the extrusion plate (12) is fixedly connected to the bottom surface of the top plate (11), and the extrusion plate (12) is slidably connected to the inner wall of the mold body (6).

4. A guiding and positioning mechanism for a plastic mold according to claim 1, characterized in that: The positioning mechanism is composed of a laser receiver (13) and a laser positioner (14); the laser receiver (13) is fixedly connected to the surface of the mold body (6); and the laser positioner (14) is fixedly connected to the surface of the top plate (11).

5. The guiding and positioning mechanism of a plastic mold according to claim 1, characterized in that: The moving assembly is composed of a servo motor (15), a threaded rod (16), a limit ring (17) and a threaded sleeve (18); the servo motor (15) is fixedly connected to the left side of the base plate (1); the threaded rod (16) is fixedly connected to the output end of the servo motor (15); the limit ring (17) is fixedly connected to the bottom surface of the base plate (1), and the inner wall of the limit ring (17) is rotatably connected to the threaded rod (16); the threaded sleeve (18) is fixedly connected to the bottom surface of the limit slider (4), and the inner wall of the threaded sleeve (18) is threadedly connected to the threaded rod (16).

6. A guiding and positioning mechanism for a plastic mold according to claim 1, characterized in that: The fixing plate (5) is rectangular in shape, and is made of metal material.

7. A guiding and positioning mechanism for a plastic mold according to claim 4, characterized in that: The number of the laser locators (14) is multiple, and the multiple laser locators (14) are symmetrically arranged with the vertical center line of the front side of the mold body (6) as the symmetry axis.

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