CN204052046U - A kind of Multi needle glue dispensing valve for point gum machine - Google Patents

Abstract

The utility model discloses a kind of Multi needle glue dispensing valve for point gum machine, relate to spot gluing equipment technical field, comprise cylinder, described cylinder interior is provided with the piston of upward-downward translation, the cavity of upper piston area is inlet chamber, inlet chamber is connected with air inlet pipe, the cavity of piston lower portion is glue chamber, the bottom of cylinder is provided with gum outlet, the side of cylinder is provided with support, support is provided with guide pin bushing, guide pin bushing is socketed with motion bar, motion bar is connected with discoidal mount pad by swivel bearing, on mount pad, circumference is provided with four mutually different dispensing needle heads of needle diameter, dispensing needle head upper end is connected with feed pipe, described gum outlet is connected with discharge nozzle, the diameter of feed pipe is larger and can be socketed on discharge nozzle than discharge nozzle, this kind of glue dispensing valve, facilitate point gum machine carries out dispensing needle head replacing when carrying out the work of different product point glue, without the need to changing whole spot gluing equipment, time saving and energy saving, operating efficiency is high, and saved manufacturing cost.

Description

A multi-needle dispensing valve for a dispensing machine

technical field

The utility model relates to the field of dispensing machine equipment, in particular to a multi-needle dispensing valve for a dispensing machine. the

Background technique

Dispensing machine and dispensing machine is a small mechanical arm automatic equipment, which is widely used in dispensing, dispensing, bonding, pouring, coating, sealing, filling, dripping and gluing in the product process etc. Among them, the dispensing valve is an important part of the dispensing machine and the plastic dropping machine. Through the opening and closing control of the valve of the dispensing valve, the outflow of colloid can be controlled to achieve accurate dispensing of the product, Dispensing, bonding, pouring, coating, sealing, filling, dripping or gluing, the application number is CN 201320723774.8 discloses a double-rod dispensing valve, including a main frame plate with a front surface and a rear back surface, on the front surface There are two sets of dispensing mechanisms arranged vertically, and a control valve located below the dispensing mechanism. On the front surface, there is a glue screw located below the control valve. The glue screw is connected to the first glue outlet interface and the second glue outlet through the pipeline. The two glue outlets are connected; the back is provided with a container containing glue, which is connected to the two glue dispensing mechanisms; the control valve is used to control the suction when one of the glue dispensing mechanisms is dispensing and the other glue dispensing mechanism is connected to the container. Glue connection state, this kind of double-rod dispensing valve, one piston rod is used for pumping glue, and the other piston rod is used for dispensing glue. When the control valve is switched to another state, the piston rod used for pumping glue and the The state of the dispensing piston rod is interchangeable; compared with the existing dispensing valve, there is no need to wait for the glue suction time between two dispensings, and the continuous execution of dispensing can be realized without waiting for the glue pumping time, which improves the efficiency. However, because the dispensing head and the electronic teaching mechanism of this kind of dispensing machine are of an integrated structure, they generally cannot be replaced at will. Low efficiency and high cost. the

Contents of the invention

The purpose of the utility model is to provide a multi-needle dispensing valve for a dispensing machine, so as to solve the above-mentioned defects in the prior art. the

A multi-needle dispensing valve for a glue dispensing machine, comprising a cylinder, the cylinder is provided with a piston that moves up and down, the cavity above the piston is an air intake chamber, the air intake chamber is connected with an air intake pipe, and the piston below the piston The cavity is a rubber chamber, the bottom of the cylinder is provided with a glue outlet, the side of the cylinder is provided with a bracket, the bracket is provided with a guide sleeve, the guide sleeve is sleeved with a movable rod, and the movable rod is connected with a disc-shaped mounting seat through a rotating bearing. There are four dispensing needles on the circumferential direction of the mounting seat, the upper end of the dispensing needle is connected with a feed pipe, and the glue outlet is connected with a discharge pipe. The diameter of the feed pipe is larger than the discharge pipe and can be sleeved on the outlet. on the feed tube. the

Preferably, a sealing locking sleeve is provided on the discharge pipe. the

Preferably, the top of the movable rod is fixed with a flange, the lower end of the flange is connected to a pneumatic rod, the bottom of the pneumatic rod is arranged on a bracket, and the pneumatic rod is connected to an air motor. the

Preferably, a sealing gasket is provided on the inner side of the top of the sealing locking sleeve. the

Preferably, the air intake pipe is provided with an air flow regulating valve. the

Preferably, the diameters of the dispensing needles are 1.6mm, 1.19mm, 0.84mm and 0.58mm respectively. the

The utility model has the advantages that: this kind of dispensing valve is provided with a mounting seat with multiple dispensing needles on the side of the cylinder and a discharge pipe provided on the glue outlet, which facilitates the dispensing machine for different products. The dispensing needle is replaced during the dispensing work without replacing the entire dispensing equipment, which saves time and effort, high work efficiency, and saves manufacturing costs. After the discharge pipe is connected, the two can be locked and sealed to avoid rubber leakage. The top of the movable rod is provided with a flange, which is connected to a pneumatic rod, and the pneumatic rod is connected to an air motor. The pneumatic drive mounting seat is used. Move up and down to complete the connection between the dispensing needle and the cylinder, with a high degree of automation. A sealing gasket is provided on the inner side of the top of the sealing locking sleeve to improve the sealing performance of the sealing locking sleeve. There is an airflow regulating valve, which can adjust the size of the airflow, so as to adjust the glue delivery speed. The diameters of the dispensing needles are 1.6mm, 1.19mm, 0.84mm and 0.58mm respectively, and the application range is wide. the

Description of drawings

Fig. 1 is a structural schematic diagram of a multi-needle dispensing valve for a dispensing machine described in the present invention. the

Fig. 2 is a top view of a sealing and locking sleeve for a multi-needle dispensing valve of a dispensing machine according to the present invention. the

Fig. 3 is an axial sectional view of a sealing and locking sleeve of a multi-needle dispensing valve for a dispensing machine according to the present invention. the

Among them: 1—cylinder, 2—piston, 3—intake chamber, 4—intake pipe, 5—glue cavity, 6—glue outlet, 7—bracket, 8—guide sleeve, 9—movable rod, 10—rotary bearing , 11—installation seat, 12—dispensing needle, 13—feeding pipe, 14—discharging pipe, 15—sealing locking sleeve, 16—flange, 17—pneumatic rod, 18—air motor, 19—sealing washer , 20—airflow regulating valve. the

Detailed ways

In order to make the technical means, creative features, goals and effects achieved by the utility model easy to understand, the utility model will be further elaborated below in conjunction with specific embodiments. the

As shown in Figure 1, a multi-needle dispensing valve for a dispensing machine includes a cylinder 1, the cylinder 1 is provided with a piston 2 that moves up and down in translation, and the cavity above the piston 2 is an air intake chamber 3. The air intake chamber 3 is connected with an air intake pipe 4, the cavity at the bottom of the piston 2 is a glue chamber 5, the bottom of the cylinder 1 is provided with a glue outlet 6, the side of the cylinder 1 is provided with a bracket 7, and the bracket 7 is provided with a guide sleeve 8, The guide sleeve 8 is sleeved with a movable rod 9, and the movable rod 9 is connected with a disc-shaped mounting seat 11 through a rotating bearing 10. The mounting seat 11 is provided with four dispensing needles 12 in the upper direction, and the upper end of the dispensing needle 12 is connected with a Material pipe 13, the said glue outlet 6 is connected with a discharge pipe 14, and the feed pipe 13 can be sleeved on the discharge pipe 14. This kind of dispensing valve is equipped with multiple points on the side of the cylinder 1. The mounting seat 11 of the glue needle 12 and the discharge pipe 14 provided on the glue outlet 6 facilitate the replacement of the glue dispenser when dispensing different products without replacing the entire glue dispensing equipment, saving time Labor saving, high work efficiency, and save manufacturing cost. the

It should be noted that, as shown in Figure 2 and Figure 3, the top of the movable rod 9 is fixed with a flange 16, the lower end of the flange 16 is connected with a pneumatic rod 17, the bottom of the pneumatic rod 17 is arranged on the support 7, and the pneumatic A pneumatic motor 18 is connected to the rod 17 . the

In this embodiment, the top of the movable rod 9 is provided with a flange 16, and the flange 16 is connected with a pneumatic rod 17, and the pneumatic rod 17 is connected with an air motor 18, and the mounting seat 11 is driven upward and downward by pneumatic power, and the completion point The connection between the rubber needle head 12 and the cylinder 1 has a high degree of automation. the

In this embodiment, a sealing washer 19 is provided on the inner side of the top of the sealing locking sleeve 15 to improve the sealing performance of the sealing locking sleeve 15 . the

In this embodiment, the air inlet pipe 4 is provided with an air flow regulating valve 20, which can adjust the size of the air flow, thereby adjusting the glue output speed. the

In addition, the diameters of the dispensing needles 12 are 1.6mm, 1.19mm, 0.84mm and 0.58mm, respectively, which have a wide range of applications. the

Based on the above, this kind of dispensing valve is provided with a mounting seat 11 with a plurality of dispensing needles 12 installed on the side of the cylinder 1 and a discharge pipe 14 provided on the glue outlet 6, which facilitates the dispensing of the dispensing machine. When dispensing different products, the dispensing needle is replaced without replacing the entire dispensing equipment, which saves time and effort, high work efficiency, and saves manufacturing costs. the

It can be known from technical knowledge that the utility model can be realized through other implementations without departing from its spirit or essential features. Accordingly, the above-disclosed embodiments are, in all respects, illustrative and not exclusive. All changes within the scope of the utility model or within the range equivalent to the utility model are included in the utility model. the

Claims (6)

1. A multi-needle dispensing valve for a glue dispensing machine, comprising a cylinder, the inside of which is provided with a piston that moves up and down in translation, the cavity above the piston is an air intake chamber, the air intake chamber is connected with an air intake pipe, and the piston The lower cavity is a glue chamber, and the bottom of the cylinder is provided with a glue outlet. It is characterized in that: a bracket is provided on the side of the cylinder, and a guide sleeve is provided on the bracket. Disc-shaped mounting seat, four dispensing needles are arranged on the circumference of the mounting seat, the upper end of the dispensing needle is connected with a feed pipe, and the glue outlet is connected with a discharge pipe, and the diameter of the feed pipe is larger than the discharge pipe And it can be sleeved on the discharge pipe. 2. A multi-needle dispensing valve for a dispensing machine according to claim 1, characterized in that: the discharge pipe is provided with a sealing locking sleeve. 3. A multi-needle dispensing valve for dispensing machines according to claim 1, characterized in that: the top of the movable rod is fixed with a flange, the lower end of the flange is connected to a pneumatic rod, and the bottom of the pneumatic rod It is arranged on the bracket, and the pneumatic rod is connected with the pneumatic motor. 4. A multi-needle dispensing valve for a dispensing machine according to claim 2, characterized in that: a sealing gasket is provided on the inner side of the top of the sealing locking sleeve. 5 . The multi-needle dispensing valve for a glue dispensing machine according to claim 1 , wherein an airflow regulating valve is arranged on the air inlet pipe. 6 . 6. A multi-needle dispensing valve for a dispensing machine according to claim 1, wherein the diameters of the dispensing needles are 1.6mm, 1.19mm, 0.84mm and 0.58mm respectively.