Dispensing control device

Abstract

The utility model discloses an adhesive dispensing control device which comprises a translation structure, the translation structure is connected with a connecting plate, one end of the connecting plate is connected with an adhesive dispensing seat, an adhesive cavity is formed in the adhesive dispensing seat, a piston plate is movably arranged in the adhesive cavity, the bottom of the piston plate is connected with a piston rod, and the piston rod is connected with a piston rod. A glue dispensing channel communicated with the glue cavity is formed in the piston plate and the piston rod, the bottom of the piston rod penetrates through the bottom of the glue dispensing base, extends downwards and is connected with a glue dispensing head, a guide part is arranged on the side edge of the glue dispensing head and comprises a hollow pipe, and a guide roller is rotationally arranged at the bottom of the hollow pipe; and the bottom of the guide roller is lower than the bottom of the dispensing head. According to the scheme, the production cost can be reduced while the glue outlet height is controlled.

Description

Technical Field

[0001] The utility model relates to the technical field of glue dispensing devices, and specifically to a glue dispensing control device. Background Art

[0002] Glue dispensing machine is also called glue coating machine, glue dripping machine, glue spraying machine, glue filling machine, etc. It is specially used to control fluid. It is an automated machine that drips and applies fluid to the surface or inside of the product. It can realize three-dimensional and four-dimensional path dispensing, precise positioning, precise glue control, no drawing, no glue leakage, and no glue dripping. Glue dispensing machine is mainly used for glue, paint and other liquids in product processes to accurately point, inject, apply and drip to the precise position of each product. It can be used to achieve dotting, drawing lines, circles or arcs. In the prior art, in order to control the accuracy of glue discharge, the accuracy of glue discharge is often controlled by controlling the height of glue discharge.

[0003] The Chinese patent application number 2021216302948 discloses a dense dispensing controller, which includes a workbench, a first guide rail, a rotating motor, a screw, a sliding seat and a hose. The first guide rail is provided on one side of the workbench, the sliding seat is slidably provided on the first guide rail, the rotating motor is provided on the workbench, the output end of the rotating motor is connected to the screw rod, the sliding seat passes through the screw rod, the hose is adjusted up and down on the sliding seat, and a distance sensor is fixedly provided on one side of the hose for detecting the height of the hose dispensing glue. The distance sensor is provided around the hose to facilitate the distance sensor to detect the height of the hose dispensing glue when the hose dispensing glue, and the accuracy of the glue dispensing is controlled by controlling the height of the glue dispensing glue to reduce the phenomenon of glue overflow or insufficient glue.

[0004] The above patent solution has the effect of controlling the glue discharge height, but it is necessary to set a distance sensor around the hose for detection, and push the sliding plate up and down on the second guide rail by a pen-shaped cylinder to adjust the height of the hose from the workbench. The above solution involves more hardware product structures and software product structures, and the production cost of the product is relatively high. Utility Model Content

[0005] In order to solve the above problems, the utility model provides a glue dispensing control device, including a translation structure, the translation structure is connected to a connecting plate, one end of the connecting plate is connected to a glue dispensing seat, a glue cavity is provided inside the glue dispensing seat, a piston plate is movably provided inside the glue cavity, the bottom of the piston plate is connected to a piston rod, a glue dispensing channel connected to the glue cavity is provided on the piston plate and the piston rod, the bottom of the piston rod extends downward through the bottom of the glue dispensing seat and is connected to a glue dispensing head, a guide part is provided on the side of the glue dispensing head, the guide part includes a hollow tube, a guide roller is rotatably provided at the bottom of the hollow tube, and the bottom of the guide roller is lower than the bottom of the glue dispensing head.

[0006] Preferably, a return spring is connected between the top of the dispensing head and the bottom of the dispensing seat.

[0007] Preferably, a pressure balance seat is provided on the side of the dispensing seat, a pressure balance chamber is provided inside the pressure balance seat, one side of the pressure balance chamber is connected to the glue chamber, a balance plate is slidably provided in the pressure balance chamber, one end of the balance plate is connected to a limiting rod, and one end of the limiting rod extends outward through the pressure balance seat.

[0008] Preferably, the translation structure includes a support frame, a drive motor, a threaded rod and an L-shaped plate, a threaded rod is provided in the middle of the support frame for horizontal rotation, the drive motor is provided on the support frame, the output end of the drive motor is connected to the threaded rod, one end of the L-shaped plate is horizontally slidably provided on the support frame, a sliding sleeve is provided on one side of the L-shaped plate, an internal thread is provided on the inner side of the sliding sleeve, and the sliding sleeve is slidably provided on the threaded rod.

[0009] Preferably, a connecting sleeve is provided on the side of the dispensing head, the hollow tube is embedded in the connecting sleeve, and a locking bolt is provided on the side of the connecting sleeve.

[0010] The advantages of the utility model are:

[0011] 1. The dispensing head in this solution can always maintain the same height with the working surface under the action of the guide part. The accuracy of the dispensing can be controlled by controlling the dispensing height, reducing the phenomenon of glue overflow or insufficient glue. Compared with traditional technologies, it does not require more hardware and software equipment, which can effectively reduce the production cost of the product.

[0012] 2. In this solution, a return spring is connected between the top of the dispensing head and the bottom of the dispensing seat. The return spring can help the dispensing head maintain a stable pressure during the dispensing process and improve the accuracy of the dispensing head.

[0013] 3. In this solution, a pressure balancing seat is provided on the side of the dispensing seat, and a pressure balancing chamber is provided inside the pressure balancing seat. The pressure balancing chamber is connected with the glue chamber to ensure that the pressure in the glue chamber is balanced in time, thereby avoiding the accuracy and stability of dispensing being affected by pressure fluctuations. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is the structural diagram of the glue dispensing seat of the utility model.

[0015] Figure 2 This is a cross-sectional structural diagram of the glue dispensing seat of the utility model.

[0016] Figure 3 This is a structural diagram of the mobile state of the dispensing seat of the utility model.

[0017] Figure 4 It is a schematic diagram of the translation structure of the utility model.

[0018] Figure 5 It is a side structural diagram of the translation structure of the utility model.

[0019] In the figure: 1 connecting plate, 2 glue dispensing seat, 3 glue chamber, 4 piston plate, 5 piston rod, 6 glue dispensing channel, 7 glue dispensing head, 8 hollow tube, 9 guide roller, 10 return spring, 11 pressure balance seat, 12 pressure balance chamber, 13 balance plate, 14 limit rod, 15 support frame, 16 drive motor, 17 threaded rod, 18 sliding sleeve, 19 connecting sleeve, 20 locking bolt, 21 L-shaped plate. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0021] In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They 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 orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0022] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be a connection between the two elements. At the same time, when an element is referred to as "fixed on" or "provided on" another element, it can be directly on the other element or there may be a central element at the same time. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be a central element at the same time. When an element is referred to as being "fixedly connected to" another element, it can be a common fixed connection method such as welding, bolting, or gluing. In short, for ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. Example 1

[0023] like Figure 1-5As shown, a dispensing control device includes a translation structure, which includes a support frame 15, a drive motor 16, a threaded rod 17 and an L-shaped plate 21. The middle of the support frame 15 is provided with a threaded rod 17 for horizontal rotation. The drive motor 16 is arranged on the support frame 15. The output end of the drive motor 16 is connected to a transmission belt. One end of the threaded rod 17 passes through the support frame 15 and is also connected to the transmission belt. The threaded rod 17 can be driven to rotate by the drive motor 16.

[0024] Combination Figure 5 One end of the L-shaped plate 21 is slidably disposed on the support frame 15 in a transverse manner. A dovetail-shaped slide rail is disposed on the upper and lower beams of the support frame 15. A dovetail-shaped slide groove is disposed on the upper and lower sides of the L-shaped plate 21. The L-shaped plate 21 is slidably connected to the slide rail on the support frame 15 through the corresponding slide groove. A sliding sleeve 18 is disposed on one side of the L-shaped plate 21. An internal thread is disposed on the inner side of the sliding sleeve 18. The sliding sleeve 18 is slidably disposed on the threaded rod 17. When the threaded rod 17 rotates, the L-shaped plate 21 can be driven to move.

[0025] Combination Figure 1-3 The bottom of the L-shaped plate 21 is connected with a connecting plate 1, one end of the connecting plate 1 is connected with a dispensing seat 2, a dispensing seat 2 is provided with a dispensing cavity 3, a piston plate 4 is movably provided inside the dispensing cavity 3, a piston rod 5 is connected with the bottom of the piston plate 4, a dispensing channel 6 connected with the dispensing cavity 3 is provided on the piston plate 4 and the piston rod 5, the bottom of the piston rod 5 passes through the bottom of the dispensing seat 2 and extends downward and is connected with a dispensing head 7, a guide portion is provided on the side of the dispensing head 7, the guide portion includes a hollow tube 8, and a guide roller 9 is rotatably provided at the bottom of the hollow tube 8. A connecting sleeve 19 is provided on the side of the dispensing head 7, the hollow tube 8 is embedded in the connecting sleeve 19, and a locking bolt 20 is provided on the side of the connecting sleeve 19, and the locking bolt 20 enters the side of the connecting sleeve 19 horizontally, and can lock and fix the hollow tube 8 embedded in the connecting sleeve 19. The bottom of the guide roller 9 is lower than the bottom of the glue dispensing head 7. When dispensing glue on the working surface, the guide roller 9 moves close to the working surface to ensure that the glue dispensing head 7 can maintain a fixed distance from the working surface. When encountering a slope on the working surface, the guide roller 9 will drive the glue dispensing head 7 to rise. Through the design of the guide part, the glue dispensing head 7 can always maintain the same height as the working surface. This design ensures that no matter how the shape of the working surface changes, the glue dispensing head 7 can be accurately maintained at an appropriate height, thereby achieving accurate glue dispensing. This high degree of stability greatly improves the accuracy of glue dispensing, reduces the phenomenon of overflow or insufficient glue, and improves product quality. In addition, this solution does not require the use of a large number of hardware and software equipment, which greatly simplifies the design and production process of the equipment and reduces costs.

[0026] A return spring 10 is connected between the top of the glue head and the bottom of the glue dispensing seat 2. The return spring 10 can help the glue dispensing head 7 maintain a stable pressure during the glue dispensing process. When the glue dispensing head 7 contacts the working surface, the glue dispensing head 7 may be subjected to a certain reaction force due to the unevenness of the working surface or other factors. At this time, the return spring 10 can provide a reverse elastic force, so that the glue dispensing head 7 can maintain appropriate pressure to ensure the accuracy and stability of glue dispensing.

[0027] Secondly, the reset spring 10 also plays a buffering role. During the dispensing process, the dispensing head 7 may produce slight vibrations or shocks due to various factors. The presence of the reset spring 10 can absorb these vibrations and shocks, reduce their impact on the dispensing accuracy, and make the dispensing process smoother. Finally, the reset spring 10 also helps to reset the dispensing head 7. After completing a dispensing operation, the reset spring 10 can quickly restore the dispensing head 7 to its initial position to prepare for the next dispensing operation. This rapid reset capability improves the dispensing efficiency and ensures the accuracy and consistency of continuous dispensing.

[0028] A pressure balance seat 11 is provided on the side of the dispensing seat 2, and a pressure balance chamber 12 is provided inside the pressure balance seat 11. One side of the pressure balance chamber 12 is connected to the glue chamber 3. A balance plate 13 is slidably provided in the pressure balance chamber 12. The balance plate 13 is a piston-like structure. One end of the balance plate 13 is connected to a limit rod 14. One end of the limit rod 14 passes through the pressure balance seat 11 and slides outward to extend. A spring is also provided between the balance plate 13 and the inner side wall of the pressure balance seat 11 for resetting. The design of the pressure balance seat 11 and the pressure balance chamber 12 helps to stabilize the pressure in the glue chamber 3. During the dispensing process, the glue in the glue chamber 3 will produce pressure changes due to the movement and dispensing of the dispensing head 7. By connecting the pressure balance chamber 12 with the glue chamber 3, it can be ensured that the pressure in the glue chamber 3 is balanced in time to avoid affecting the accuracy and stability of dispensing due to pressure fluctuations.

[0029] Secondly, the arrangement of the balance plate 13 and the limit rod 14 further enhances the stability of the pressure control. The balance plate 13 slides in the pressure balance chamber 12 and can automatically adjust according to the pressure changes in the rubber chamber 3 to maintain the pressure balance. The limit rod 14 limits the movement range of the balance plate 13 to prevent it from excessive movement or separation from the pressure balance chamber 12, thereby ensuring the stability and reliability of the entire pressure balance system.

[0030] In addition, this design also helps to improve the continuity and consistency of glue dispensing. Since the pressure is effectively controlled, the glue dispensing head 7 can maintain a stable glue dispensing speed and glue dispensing amount during the continuous glue dispensing process, avoiding uneven glue dispensing or glue breaking caused by pressure fluctuations.

[0031] 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 dispensing control device, characterized in that: The invention comprises a translation structure, wherein the translation structure is connected to a connecting plate (1), one end of the connecting plate (1) is connected to a dispensing seat (2), a dispensing seat (2) is provided with a dispensing cavity (3) inside, a piston plate (4) is movably provided inside the dispensing cavity (3), a piston rod (5) is connected to the bottom of the piston plate (4), a dispensing channel (6) communicating with the dispensing cavity (3) is provided on the piston plate (4) and the piston rod (5), the bottom of the piston rod (5) passes through the bottom of the dispensing seat (2) and extends downward and is connected to a dispensing head (7), a guide portion is provided on the side of the dispensing head (7), the guide portion comprises a hollow tube (8), a guide roller (9) is rotatably provided at the bottom of the hollow tube (8), and the bottom of the guide roller (9) is lower than the bottom of the dispensing head (7).

2. The dispensing control device according to claim 1, characterized in that: A return spring (10) is connected between the top of the glue dispensing head (7) and the bottom of the glue dispensing seat (2).

3. The dispensing control device according to claim 2, characterized in that: A pressure balance seat (11) is provided on the side of the glue dispensing seat (2), a pressure balance chamber (12) is provided inside the pressure balance seat (11), one side of the pressure balance chamber (12) is connected to the glue chamber (3), a balance plate (13) is slidably provided in the pressure balance chamber (12), one end of the balance plate (13) is connected to a limit rod (14), and one end of the limit rod (14) passes through the pressure balance seat (11) and extends outward.

4. The dispensing control device according to claim 3, characterized in that: The translation structure comprises a support frame (15), a drive motor (16), a threaded rod (17) and an L-shaped plate (21); the threaded rod (17) is provided in the middle of the support frame (15) for transverse rotation; the drive motor (16) is provided on the support frame (15); the output end of the drive motor (16) is connected to the threaded rod (17); one end of the L-shaped plate (21) is transversely slidably provided on the support frame (15); a sliding sleeve (18) is provided on one side of the L-shaped plate (21); an internal thread is provided on the inner side of the sliding sleeve (18); and the sliding sleeve (18) is slidably provided on the threaded rod (17).

5. The dispensing control device according to claim 4, characterized in that: A connecting sleeve (19) is provided on the side of the dispensing head (7), the hollow tube (8) is embedded in the connecting sleeve (19), and a locking bolt (20) is provided on the side of the connecting sleeve (19).

Images