Double-channel dispensing valve

Abstract

The utility model relates to the technical field of glue injection machines, in particular to a double-channel glue dispensing valve which comprises an assembling plate, a glue barrel is arranged in the middle of the front face of the assembling plate, and glue injection assemblies composed of a first glue injection assembly and a second glue injection assembly are arranged on the left side and the right side of the glue barrel respectively. Glue injection channels are arranged between the glue cylinder and the first glue injection assembly and between the glue cylinder and the second glue injection assembly. Wherein strip-shaped through holes are formed in the left side and the right side of the surface layer of the assembling plate, a displacement driving mechanism is arranged behind the assembling plate and comprises a driving gear assembled in the middle of the back of the assembling plate, and the upper end and the lower end of the driving gear are meshed with a first transmission rack and a second transmission rack in the left side direction and the right side direction respectively; connecting pieces are arranged at the outer end parts of the first transmission rack and the second transmission rack; according to the technical scheme, a double-dispensing-valve mode is adopted, and the glue injection mold with two glue injection heads is designed, so that the working efficiency in the lens glue injection process can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of glue injection machines, in particular to a double-channel glue dispensing valve. Background Art

[0002] The main components of glasses are lenses and frames. The lenses are one of the core components of glasses. Their main function is to refract light through lenses to correct vision problems. For the processing technology of the lens front process, it is necessary to inject resin glue into the lens mold to complete the lens injection.

[0003] The completion of the glue injection of the lens mainly depends on the cooperation between the glue injection assembly and the glue injection mold. In the glue injection process of the lens mold, the existing method is that the glue injection assembly usually has only one glue injection head. Therefore, in order to further improve the working efficiency of the glue injection process, a glue injection head assembly with a dual-channel glue dispensing valve can be designed. Utility Model Content

[0004] The utility model aims to overcome the above-mentioned shortcomings and provide a technical solution that can solve the above-mentioned problems.

[0005] A dual-channel glue dispensing valve comprises an assembly plate, a glue cylinder is provided in the middle of the front of the assembly plate, and glue injection assemblies consisting of a first glue injection assembly and a second glue injection assembly are respectively provided on the left and right sides of the glue cylinder, and glue injection channels are provided between the glue cylinder and the first glue injection assembly, and between the glue cylinder and the second glue injection assembly; wherein, strip-shaped through holes are provided on the left and right sides of the surface of the assembly plate, and a displacement driving mechanism is provided at the rear of the assembly plate, and the displacement driving mechanism comprises a driving gear assembled in the middle of the rear of the assembly plate, and the upper and lower ends of the driving gear are respectively meshed with a first transmission rack and a second transmission rack along the left and right directions; the outer ends of the first transmission rack and the second transmission rack are both provided with connecting pieces, and the connecting piece fixes and assembles the first transmission rack with the first glue injection assembly through the front and rear parts of the strip-shaped through hole, and the connecting piece assembles and connects the second transmission rack with the second glue injection assembly through the front and rear parts of the connecting strip.

[0006] Furthermore, the glue injection channel is configured as a strip-shaped cylinder, which connects the glue cylinder with the first glue injection assembly, and the glue cylinder with the second glue injection assembly, and the end of the glue injection channel extends into the first glue injection assembly and the second glue injection assembly.

[0007] Furthermore, the first glue injection assembly and the second glue injection assembly both include a feed frame connected to the barrel, and a glue injection head group is connected to the lower end of the feed frame.

[0008] Furthermore, the connecting piece is composed of three sections, the middle section is accommodated in the strip-shaped through hole, the rear end is connected to the displacement driving mechanism, and the front end is connected to the glue injection assembly.

[0009] Furthermore, a sliding groove for sliding the first transmission rack and the second transmission rack is provided at the rear of the assembly plate.

[0010] The beneficial effects of the utility model are:

[0011] (1) A double dispensing valve method is used to design a glue injection mold with two glue injection heads, so that the work efficiency in the lens injection process can be improved.

[0012] (2) Through displacement drive, the distance between the two injection heads can be adjusted to adapt to the placement of lens injection molds with different distances, ensuring the precision adaptation between the injection head and the injection port on the mold.

[0013] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the front structure of the assembly board.

[0015] Figure 2 This is a schematic diagram of the back structure of the assembly board.

[0016] Figure 3 The schematic diagram shows the structure of the injection molding component.

[0017] The accompanying drawings are marked as follows:

[0018] Assembly plate-1, glue cylinder-2, first glue injection component-3, second glue injection component-4, glue injection channel-5, strip through hole-6, driving gear-7, first transmission rack-8, second transmission rack-9, connecting piece-10, feeding frame-11, glue injection head group-12, sliding slot-13. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] See also Figures 1 to 3The utility model includes an assembly plate 1, a rubber cylinder 2 is provided in the middle of the front of the assembly plate 1, and a rubber injection assembly consisting of a first rubber injection assembly 3 and a second rubber injection assembly 4 is respectively provided on the left and right sides of the rubber cylinder 2, and a rubber injection channel 5 is provided between the rubber cylinder 2 and the first rubber injection assembly 3, and between the rubber cylinder 2 and the second rubber injection assembly 4; wherein, strip-shaped through holes 6 are provided on the left and right sides of the surface of the assembly plate 1, and a displacement driving mechanism is provided at the back of the assembly plate 1, and the displacement driving mechanism includes a driving gear 7 assembled in the middle of the back of the assembly plate, and the upper and lower ends of the driving gear 7 are respectively meshed with a first transmission rack 8 and a second transmission rack 9 along the left and right directions; the outer ends of the first transmission rack 8 and the second transmission rack 9 are both provided with connecting pieces 10, and the connecting piece 10 passes through the front and rear parts of the strip-shaped through hole 6 to fix and assemble the first transmission rack 8 with the first rubber injection assembly 3, and the connecting piece 10 passes through the front and rear parts of the connecting strip to assemble and connect the second transmission rack 9 with the second rubber injection assembly 4.

[0021] The structure of the dual-channel dispensing valve firstly uses an assembly plate 1 as a base plate to reasonably assemble the corresponding parts and components. The assembly plate 1 is designed with a front and a back, and the assembly plate 1 is provided with left and right opposite strip-shaped through holes 6. Secondly, the assembly plate 1 mainly includes a dual-channel dispensing head group 12 pieces for dispensing glue, and an adjustment component for adjusting the spacing between the dual-channel dispensing head group 12 pieces.

[0022] Specifically, the double-channel glue injection head group 12 is designed for the front of the assembly plate 1, including a glue cylinder 2 in the middle of the front of the assembly plate 1, and a first glue injection component 3 and a second glue injection component 4 on the left and right sides of the glue cylinder 2, and a glue injection channel 5 between the glue cylinder 2 and the first glue injection component 3, and between the glue cylinder 2 and the second glue injection component 4, and the first glue injection component 3 and the second glue injection component 4 both include a feed frame 11 connected to the cylinder body, and the lower end of the feed frame 11 is connected to the glue injection head group 12. The principle part is: the glue in the glue cylinder 2 can be injected into the feed frame 11 through the pump body and valve control, and then the feed frame 11 is injected along the glue injection head group 12, and the double-channel inflow is realized through the first glue injection component 3 and the second glue injection component 4. The design purpose is to cooperate with the glue injection process of the batch lens glue injection mold to improve its process efficiency.

[0023] In order to adjust the spacing between the two injection components, ensure that the first injection component 3 and the second injection component 4 can be aligned with the injection port on the lens injection mold. A displacement drive mechanism is provided at the back of the assembly plate, and the displacement drive mechanism includes a driving gear 7 assembled in the middle of the back of the assembly plate. The upper and lower ends of the driving gear 7 are respectively meshed with the first transmission rack 8 and the second transmission rack 9 along the left and right directions, and a motor group connected to the driving gear 7 and a sliding groove 13 for the first transmission rack 8 and the second transmission rack 9 to slide are provided at the back of the assembly plate, that is, when driven by the motor group, the first transmission rack 8 and the second transmission rack 9 slide in the sliding groove 13 accordingly to form a motion system. At the same time, strip-shaped through holes 6 are provided on the left and right sides of the surface of the assembly plate, and the front and rear ends are connected through the strip-shaped through holes 6, and then a connecting piece 10 is provided between the first transmission rack 8 and the first injection component 3, and between the second transmission rack 9 and the second injection component 4, so that the displacement drive mechanism synchronously drives the first injection component 3 and the second injection component 4 to move closer or farther, thereby accurately adjusting the spacing distance between the two. At the same time, in order to ensure that the glue injection channel 5 is located inside the first glue injection component 3 and the second glue injection component 4 during displacement, the glue injection channel 5 is set to a strip-shaped cylinder, the cylinder connects the glue cylinder 2 and the first glue injection component 3, and the glue cylinder 2 and the second glue injection component 4, and the end of the glue injection channel 5 extends into the first glue injection component 3 and the second glue injection component 4, and a ring is set at the connection to make the first glue injection component 3, the second glue injection component 4 and the glue injection channel 5 movably and slidably connected.

[0024] In order to facilitate the connection of the connector 10 to the displacement drive mechanism and the glue injection assembly at the same time, the connector 10 is configured to have three sections (not shown in the figure), the middle section is accommodated in the strip through hole 6, the rear end is connected to the displacement drive mechanism, and the front end is connected to the glue injection assembly.

[0025] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model is disclosed as a preferred embodiment as above, it is not used to limit the utility model. Any technician familiar with this profession can make some changes or modifications to equivalent embodiments of equivalent changes by using the technical content disclosed above without departing from the scope of the technical solution of the utility model. However, any simple modification, equivalent change and modification made to the above embodiments according to the technology of the utility model, which does not depart from the content of the technical solution of the utility model, belongs to the scope of the technical solution of the utility model.

Claims

1. A dual-channel dispensing valve, characterized in that: The assembly plate (1) comprises a rubber cylinder (2) provided in the middle of the front of the assembly plate (1), and rubber injection components composed of a first rubber injection component (3) and a second rubber injection component (4) are provided on the left and right sides of the rubber cylinder (2), and rubber injection channels (5) are provided between the rubber cylinder (2) and the first rubber injection component (3), and between the rubber cylinder (2) and the second rubber injection component (4); Wherein, strip-shaped through holes (6) are provided on the left and right sides of the surface of the assembly plate (1), and a displacement driving mechanism is provided at the rear of the assembly plate (1), the displacement driving mechanism comprising a driving gear (7) assembled at the middle of the rear of the assembly plate, and the upper and lower ends of the driving gear (7) are respectively meshed with a first transmission rack (8) and a second transmission rack (9) along the left and right directions; The outer ends of the first transmission rack (8) and the second transmission rack (9) are both provided with connecting pieces (10), and the connecting piece (10) passes through the front and rear parts of the bar-shaped through hole (6) to fix the first transmission rack (8) and the first glue injection component (3) in an assembled connection, and the connecting piece (10) passes through the front and rear parts of the connecting bar to assemble the second transmission rack (9) and the second glue injection component (4) in an assembled connection.

2. A dual-channel dispensing valve according to claim 1, characterized in that: The glue injection channel (5) is configured as a strip-shaped cylinder, the cylinder connects the glue cylinder (2) and the first glue injection component (3), and the glue cylinder (2) and the second glue injection component (4), and the end of the glue injection channel (5) extends into the first glue injection component (3) and the second glue injection component (4).

3. A dual-channel dispensing valve according to claim 2, characterized in that: The first glue injection assembly (3) and the second glue injection assembly (4) both comprise a feed frame (11) which is connected to the glue injection channel (5) and is slidable in the glue injection channel (5), and a glue injection head group (12) is connected to the lower end of the feed frame (11).

4. A dual-channel dispensing valve according to claim 1, characterized in that: The connecting piece (10) is composed of three sections, the middle section is accommodated in the strip-shaped through hole (6), the rear end is connected to the displacement driving mechanism, and the front end is connected to the glue injection assembly.

5. A dual-channel dispensing valve according to claim 1, characterized in that: A sliding groove (13) for the first transmission rack (8) and the second transmission rack (9) to slide is provided at the rear of the assembly plate.

Images