Mould assembly for dispensing machine

Abstract

The utility model discloses a die assembly for a dispensing machine, which belongs to the technical field of dispensing machines and comprises a die main body mounted on the dispensing machine, a limiting groove for limiting a workpiece is formed in the center of the top of the die main body, and threaded rods are rotatably connected to the periphery of an inner cavity of the die main body through bearings. The outer side of the threaded rod is in threaded connection with a movable block through a threaded sleeve, and through grooves communicated with an inner cavity of the die body are formed in the periphery of the top of the die body. And it is ensured that the workpiece is kept stable in the dispensing machining process, the situation that the dispensing machine drives the workpiece to move through glue in the dispensing process, and consequently the subsequent dispensing precision is improved is avoided, meanwhile, the workpiece in the containing groove is ejected out through the ejection assembly, and the workpiece can be conveniently moved out of the limiting groove.

Description

Technical Field

[0001] The utility model relates to the technical field of dispensing machines, and specifically relates to a mold assembly for a dispensing machine. Background Technique

[0002] A dispensing machine, also known as a glue coating machine, a glue dropping machine, a glue applying machine, a potting machine, etc., is specialized for controlling fluids. It is an automated machine that drops and coats fluids on the surface or inside of products, and can achieve three-dimensional and four-dimensional path dispensing, precise positioning, accurate glue control, no wire drawing, no glue leakage, and no glue dripping.

[0003] In the prior art, the Chinese utility model content with the authorization announcement number: CN218078768U discloses a mold assembly for a dispensing machine, including a fixed seat and a moving chute. The moving chute is fixedly connected to both ends inside the fixed seat. In this utility model, through the heating mold block structure, it is easy to install and can quickly dry the glue during dispensing. When installing the heating mold block, first, rotate the threaded round rod at the four corners of the upper end of the first stainless steel plate and fixedly install it on the mold fixing block by rotating. In this way, it is fixedly connected and installed by rotating the bolt, making the installation more convenient and facilitating disassembly and maintenance later. And through the heating air joint at the rear side of the right end of the first stainless steel plate, it is convenient to connect to the external heating pipeline, so that the heating air can be blown to the dispensing position. When blowing, through the honeycomb mesh plate at the bottom of the first stainless steel plate, the warm air is evenly discharged, so that the glue dries quickly to prevent the glue from dripping on the product.

[0004] In the above technical solution, the workpiece to be dispensed is placed on the moving placement plate, and then it is processed by dispensing with a dispensing syringe. Since the glue has a certain viscosity, when the dispensing syringe moves, it is easy to drive the workpiece to displace through the glue, resulting in a change in the position of the workpiece. Subsequently, when the dispensing syringe moves along the original trajectory, it cannot accurately complete the dispensing work, affecting the quality of dispensing. Content of the Utility Model

[0005] The purpose of the utility model is to provide a mold assembly for a dispensing machine. By driving four moving blocks to move towards the middle with a threaded rod, and then driving an extrusion plate to move with a connecting spring, the workpiece above the mold body can be moved towards the middle to ensure that the workpiece falls into the limiting groove for positioning the workpiece. Then, the extrusion plate is used to clamp and fix the workpiece to prevent the workpiece from displacing again during subsequent dispensing, so as to solve the problems raised in the above background technique.

[0006] To achieve the above object, the present utility model provides the following technical solutions: A mold assembly for a dispensing machine, including a mold body installed on the dispensing machine. A limiting groove for limiting the workpiece is provided at the center of the top of the mold body. Threaded rods are rotatably connected to the four circumferences of the inner cavity of the mold body through bearings. A moving block is threadedly connected to the outer side of the threaded rod through a threaded sleeve. Through grooves communicating with the inner cavity of the mold body are provided at the four circumferences of the top of the mold body. An extrusion plate is slidably connected to the inner cavity of the through groove. A connecting spring is fixedly connected between the extrusion plate and the moving block. A driving component for synchronously driving the threaded rods is arranged in the inner cavity of the mold body;

[0007] It further includes an ejecting component arranged below the limiting groove for ejecting the workpiece.

[0008] Preferably, the driving component includes a driving motor fixed to the bottom of the mold body. The output shaft of the driving motor penetrates into the inner cavity of the mold body and is fixed with a driving bevel gear. Driven bevel gears are fixed to the opposite ends of the threaded rods. The opposite sides of the driving bevel gear and the driven bevel gear are meshed with each other.

[0009] Preferably, the ejecting component includes an electric push rod. A supporting plate is fixed to the piston rod of the electric push rod. A receiving groove is provided at the bottom of the limiting groove. The electric push rod and the supporting plate are both located in the inner cavity of the receiving groove.

[0010] Preferably, an inclined guiding groove is provided in the inner cavity of the through groove. A guiding block is slidably arranged in the inner cavity of the guiding groove. The opposite sides of the guiding block are fixed to the outer side of the extrusion plate.

[0011] Preferably, limiting rods are fixed to the four circumferences of the bottom of the supporting plate. Limiting holes inserted with the limiting rods are provided on the mold body.

[0012] Preferably, two groups of slide rails are installed at the bottom of the mold body. The slide rails are located on both sides of the driving motor.

[0013] Compared with the prior art, the beneficial effects of the present utility model are:

[0014] 1. The present utility model moves the workpiece by the moving blocks moving towards each other to pull the extrusion plate, so that the workpiece is moved from the top of the mold body to the limiting groove, ensuring that the workpiece remains stable during the dispensing process, avoiding the displacement of the workpiece driven by the glue during the dispensing process of the dispensing machine, resulting in the accuracy of subsequent dispensing. At the same time, the ejecting component is used to eject the workpiece in the receiving groove, facilitating the removal of the workpiece from the limiting groove.

[0015] 2. The utility model facilitates the guiding of the extrusion plate through the cooperation of the guiding groove and the guiding block, enabling the extrusion plate to move up and down in the through groove. During the process of closing towards the middle, the extrusion plate moves upward, facilitating the fitting with the workpiece. Description of the Drawings

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 It is a sectional three-dimensional structural schematic diagram of the mold body of the utility model;

[0018] Figure 3 It is a three-dimensional structural schematic diagram of the mold body of the utility model;

[0019] Figure 4 It is a partial three-dimensional structural schematic diagram of the ejecting component of the utility model.

[0020] Reference numerals in the figure: 1, mold body; 2, limit groove; 3, threaded rod; 4, moving block; 5, through groove; 6, extrusion plate; 7, connecting spring; 8, driving component; 81, driving motor; 82, driving bevel gear; 83, driven bevel gear; 9, ejecting component; 91, electric push rod; 92, support plate; 93, storage groove; 10, guiding groove; 11, guiding block; 12, limit rod; 13, limit hole; 14, slide rail. Specific Embodiments

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0022] The present utility model provides a Figures 1 to 4 shown mold assembly for a dispensing machine, including a mold body 1 installed on the dispensing machine. A limit groove 2 for limiting the workpiece is provided at the center of the top of the mold body 1. Threaded rods 3 are rotatably connected to the four sides of the inner cavity of the mold body 1 through bearings. A moving block 4 is threadedly connected to the outside of the threaded rod 3 through a threaded sleeve. Through grooves 5 communicating with the inner cavity of the mold body 1 are provided at the four sides of the top of the mold body 1. An extrusion plate 6 is slidably connected to the inner cavity of the through groove 5. A connecting spring 7 is fixedly connected between the extrusion plate 6 and the moving block 4. A driving component 8 for synchronously driving the threaded rod 3 is arranged in the inner cavity of the mold body 1;

[0023] It further includes an ejecting component 9 arranged below the limit groove 2 for ejecting the workpiece;

[0024] The moving block 4 that moves towards each other pulls the extrusion plate 6 to move the workpiece, so that the workpiece is moved to the limiting groove 2 on the top of the mold body 1, ensuring that the workpiece remains stable during the dispensing process, avoiding the displacement of the workpiece driven by the glue during the dispensing process of the dispenser, resulting in the accuracy of subsequent dispensing. At the same time, the ejecting assembly 9 ejects the workpiece in the receiving groove 93, facilitating the removal of the workpiece from the limiting groove 2.

[0025] The driving assembly 8 includes a driving motor 81 fixed to the bottom of the mold body 1. The output shaft of the driving motor 81 penetrates into the inner cavity of the mold body 1 and is fixed with a driving bevel gear 82. One end of the threaded rod 3 facing each other is fixed with a driven bevel gear 83. The side of the driving bevel gear 82 facing the driven bevel gear 83 meshes with each other. By driving the driving bevel gear 82 to rotate through the driving motor 81, and then the driving bevel gear 82 drives the threaded rod 3 to rotate through the driven bevel gear 83, so that the threaded rod 3 drives the moving block 4 to translate on the threaded rod 3 through the threaded sleeve, facilitating driving the extrusion plate 6 to calibrate the position of the workpiece.

[0026] The ejecting assembly 9 includes an electric push rod 91. The piston rod of the electric push rod 91 is fixed with a support plate 92. A receiving groove 93 is opened at the bottom of the limiting groove 2. The electric push rod 91 and the support plate 92 are both located in the inner cavity of the receiving groove 93. By driving the support plate 92 to move up and down through the electric push rod 91, it is convenient to eject the workpiece in the limiting groove 2.

[0027] An inclined guiding groove 10 is opened in the inner cavity of the through groove 5. A guiding block 11 is slidably arranged in the inner cavity of the guiding groove 10. The side of the guiding block 11 facing each other is fixed to the outside of the extrusion plate 6. Through the cooperation of the guiding groove 10 and the guiding block 11, it is convenient to guide the extrusion plate 6, so that the extrusion plate 6 moves up and down in the through groove 5. During the process of closing towards the middle, the extrusion plate 6 moves upward, facilitating the fitting with the workpiece.

[0028] Limit rods 12 are fixed to the four circumferences of the bottom of the support plate 92. Limit holes 13 into which the limit rods 12 are inserted are opened on the mold body 1. By moving the limit rods 12 in the limit holes 13, it is convenient to limit the support plate 92, ensuring the stability of the lower support plate 92 and preventing the support plate 92 from shaking when supporting the workpiece, resulting in the workpiece slipping off the support plate 92.

[0029] Two groups of slide rails 14 are installed at the bottom of the mold body 1. The slide rails 14 are located on both sides of the driving motor 81. Through the arrangement of the two groups of slide rails 14, it is convenient to move the mold body 1 on the dispenser.

[0030] During specific use, place the workpiece to be processed by dispensing glue on the top of the mold body 1, and then start the driving motor 81. The output shaft of the driving motor 81 drives the driving helical gear 82 to rotate, and then the driving helical gear 82 drives the driven helical gear 83 to rotate. The driven helical gear 83 drives the threaded rod 3 to rotate. The threaded rod 3 drives the moving block 4 to move towards the middle through the threaded sleeve. Subsequently, the moving block 4 drives the pressing plate 6 to move towards the middle of the mold body 1 in the through groove 5 through the connecting spring 7. When the pressing plate 6 moves inwards, affected by the guiding block 11, it extends upwards along the guiding groove 10, and the workpiece is pushed by the pressing plate 6 to move into the limiting groove 2 in the middle position. Under the pushing of the four groups of pressing plates 6, the workpiece moves into the limiting groove 2 and is limited and fixed by the pressing plate 6. After the dispensing is completed, the electric push rod 91 drives the support plate 92 to move upwards to eject the workpiece from the limiting groove 2, facilitating the blanking.

[0031] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A mold assembly for a dispensing machine, comprising a mold body (1) installed on the dispensing machine, characterized in that: A limiting groove (2) for limiting the workpiece is provided at the center of the top of the mold body (1). The four sides of the inner cavity of the mold body (1) are all rotatably connected with threaded rods (3) through bearings. A moving block (4) is threadedly connected to the outer side of the threaded rod (3) through a threaded sleeve. Through grooves (5) communicating with the inner cavity of the mold body (1) are provided at the four sides of the top of the mold body (1). An extrusion plate (6) is slidably connected to the inner cavity of the through groove (5). A connecting spring (7) is fixedly connected between the extrusion plate (6) and the moving block (4). A driving assembly (8) for synchronously driving the threaded rods (3) is arranged in the inner cavity of the mold body (1). It further includes an ejecting assembly (9) arranged below the limiting groove (2) for ejecting the workpiece.

2. The mold assembly for a dispensing machine according to claim 1, wherein: The driving assembly (8) includes a driving motor (81) fixed to the bottom of the mold body (1). The output shaft of the driving motor (81) penetrates into the inner cavity of the mold body (1) and is fixed with a driving bevel gear (82). Driven bevel gears (83) are fixed to the opposite ends of the threaded rods (3). The opposite sides of the driving bevel gear (82) and the driven bevel gear (83) are meshed with each other.

3. The mold assembly for a dispensing machine according to claim 1, characterized in that: The ejecting assembly (9) includes an electric push rod (91). A support plate (92) is fixed to the piston rod of the electric push rod (91). A receiving groove (93) is provided at the bottom of the limiting groove (2). The electric push rod (91) and the support plate (92) are both located in the inner cavity of the receiving groove (93).

4. The mold assembly for a dispensing machine according to claim 1, characterized in that: An inclined guiding groove (10) is provided in the inner cavity of the through groove (5). A guiding block (11) is slidably arranged in the inner cavity of the guiding groove (10). The opposite sides of the guiding block (11) are fixed to the outer side of the extrusion plate (6).

5. The mold assembly for a dispensing machine according to claim 3, characterized in that: Limit rods (12) are fixed to the four sides of the bottom of the support plate (92). Limit holes (13) inserted with the limit rods (12) are provided on the mold body (1).

6. The mold assembly for a dispensing machine according to claim 1, wherein: Two groups of slide rails (14) are installed at the bottom of the mold body (1). The slide rails (14) are located on both sides of the driving motor (81).

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