Liquid silica gel feeding machine with material shortage sensing mechanism

Abstract

The utility model discloses a liquid silica gel feeding machine with a material shortage sensing mechanism, which comprises a bottom rack, a control box, a lifting driving mechanism and a feeding mechanism, a longitudinally arranged material shortage contact push rod is arranged on a lifting part of the lifting driving mechanism, a sensor mounting plate is arranged on the control box, a material shortage contact sensor is arranged on the sensor mounting plate, and the feeding mechanism is arranged on the material shortage contact sensor. The material shortage sensing device is simple in structure and reasonable in design, the material shortage sensing mechanism is additionally arranged, when liquid silica gel in the material barrel is used up, the lifting driving mechanism can drive the material shortage contact push rod to descend to a designated position, and the material shortage contact push rod can be driven by the lifting driving mechanism to move downwards to the designated position when the liquid silica gel in the material barrel is used up. At the moment, the bottom of the lower end of the material shortage contact push rod can be in contact with the sensing part of the material shortage contact sensor, so that the material shortage contact sensor is triggered to send out a material shortage signal to remind a worker, the situation that the production of silica gel products is affected by material shortage is avoided, and the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to liquid silicone rubber feeding machine technical field more specifically, it is a kind of liquid silicone rubber feeding machine with material lack induction mechanism. BACKGROUND

[0002] In the production process of liquid silicone rubber, generally need to use liquid silicone rubber feeding equipment to transport and feed liquid silicone rubber, so as to inject liquid silicone rubber into injection molding machine or other forming equipment. Such as the vertical liquid silicone rubber feeding machine with mixer head of announcement number CN206357549U, it includes base, control box, A glue pressure material suction device and B glue pressure material suction device, A glue pressure material suction device and B glue pressure material suction device both have two height same piston cylinders, one piston rod is arranged on two piston cylinders, the end of two piston rods is connected by a connecting plate, the material suction pipeline of A glue pressure material suction device and B glue pressure material suction device is connected on a mixer discharge machine head. However, the liquid silicone rubber feeding machine has the following shortcomings: when the liquid silicone rubber in the material bucket is used up, the existing liquid silicone rubber feeding machine lacks material lack reminding function, so that there is no liquid silicone rubber injection into injection molding machine or other forming equipment, affect the production of silicone rubber product. SUMMARY

[0003] The utility model aims at overcoming the above-mentioned defects in the prior art, provide a kind of liquid silicone rubber feeding machine with material lack induction mechanism.

[0004] To achieve the above object, the utility model provides a kind of liquid silicone rubber feeding machine with material lack induction mechanism, including bottom frame, control box, at least one lifting drive mechanism and at least one feeding mechanism, the control box is installed at the top front side of bottom frame, the lifting drive mechanism is installed at the top rear side of bottom frame, the feeding mechanism is vertically installed on lifting drive mechanism, the lifting drive mechanism can drive feeding mechanism to move up and down, the lifting part of lifting drive mechanism is equipped with the longitudinal material lack contact push rod, the control box is equipped with sensor mounting plate, the sensor mounting plate is equipped with material lack contact sensor, the sensing part of material lack contact sensor is located below material lack contact push rod, when lifting drive mechanism drives material lack contact push rod to descend to specified position, the lower end bottom of material lack contact push rod can be contacted with the sensing part of material lack contact sensor, so as to make material lack contact sensor send material lack signal.

[0005] As preferred, the upper end of the material lack contact push rod is externally provided with external threads, a limiting nut is installed on the material lack contact push rod, and the limiting nut is located above and / or below the lifting part of the lifting drive mechanism.

[0006] Preferably, the bottom of the lower end of the material shortage contact push rod is in the shape of a cone.

[0007] Preferably, the material shortage contact sensor is a travel switch, and a roller for contacting the material shortage contact push rod is arranged on a swing arm of the travel switch.

[0008] Preferably, the lifting driving mechanism comprises two lifting driving cylinders arranged in parallel and upwardly, and a lifting beam, two ends of the lifting beam are connected with output rods of the two lifting driving cylinders respectively, and the material shortage contact push rod is longitudinally arranged on the lifting beam.

[0009] Compared with the prior art, the material shortage sensing mechanism has the following beneficial effects:

[0010] The material shortage sensing mechanism is simple in structure and reasonable in design, when the liquid silica gel in the material barrel is used up, the lifting driving mechanism drives the material shortage contact push rod to descend to a specified position, at this time, the lower end of the material shortage contact push rod can contact the sensing part of the material shortage contact sensor, so as to trigger the material shortage contact sensor and send a material shortage signal to remind the staff, avoid affecting the production of silica gel products due to material shortage, and improve the production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0011] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0012] Figure 1 is a structural schematic view of the liquid silica gel feeding machine with the material shortage sensing mechanism provided by the embodiment of the present application;

[0013] Figure 2 is an enlarged view of the material shortage sensing part of the liquid silica gel feeding machine provided by the embodiment of the present application;

[0014] Figure 3 is a structural schematic view of the material shortage contact push rod provided by the embodiment of the present application;

[0015] Figure 4 is a structural schematic view of the material shortage contact sensor provided by the embodiment of the present application. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0017] Please refer to Figure 1 The embodiments of the utility model provide a liquid silicone rubber feeding machine with material shortage induction mechanism, including bottom frame 1, control box 2, lifting drive mechanism 3, feeding mechanism 4, lifting drive mechanism 5, feeding mechanism 6 and material shortage induction mechanism 7, the following will be described in detail in combination with the drawings of each component of the embodiment.

[0018] As Figure 1 Indicated, control box 2 is installed at the top front side of bottom frame 1, lifting drive mechanism 3 and lifting drive mechanism 5 are installed at the top rear side of bottom frame 1 mutually parallel, feeding mechanism 4 is installed on lifting drive mechanism 3 longitudinally, lifting drive mechanism 3 can drive feeding mechanism 4 to move up and down, feeding mechanism 6 is installed on lifting drive mechanism 5 longitudinally, and lifting drive mechanism 5 can drive feeding mechanism 6 to move up and down.

[0019] As Figure 2 Indicated, lifting drive mechanism 3 and lifting drive mechanism 5 can include lifting drive cylinder 31 and lifting crossbeam 32, lifting drive cylinder 31 is equipped with two, two lifting drive cylinders 31 are mutually parallel and set upwards, and the two ends of lifting crossbeam 32 are connected with the output rods of two lifting drive cylinders 31 respectively.

[0020] It needs to be explained here that the feeding mechanism of the embodiment can adopt various feeding devices, such as feeding device driven by hydraulic cylinder, feeding device driven by cylinder or vacuum suction feeding device, etc.

[0021] As Figure 2 Indicated, material shortage induction mechanism 7 can include material shortage contact push rod 71, inductor mounting plate 72 and material shortage contact inductor 73, material shortage contact push rod 71 is installed on lifting crossbeam 32 longitudinally, material shortage contact inductor 73 is installed on control box 2 through inductor mounting plate 72, and the inductive part of material shortage contact inductor 73 is located below material shortage contact push rod 71,

[0022] In order to facilitate the installation and fixation of material shortage contact push rod 71, as Figure 2 And Figure 3As shown, the upper end of the material shortage contact push rod 71 is externally threaded, and a limiting nut 74 is mounted on the material shortage contact push rod 71, and the limiting nut 74 is located above and / or below the lifting cross beam 32. The material shortage contact push rod 71 can be adjusted in height.

[0023] As shown, in specific implementation, the material shortage contact sensor 73 can be preferably set as a travel switch, and a roller for contacting the material shortage contact push rod 71 is arranged on the swing arm of the travel switch. Figure 4

[0024] In order to facilitate the cooperation and contact of the swing arm and the roller of the travel switch, the lower end of the material shortage contact push rod 71 can be set as a cone shape.

[0025] When the liquid silica gel in the barrel is used up, the lifting drive mechanism drives the material shortage contact push rod to drop to a specified position, and the lower end of the material shortage contact push rod can contact the sensing part of the material shortage contact sensor, thereby triggering the material shortage contact sensor to send a material shortage signal to remind the staff, avoiding the influence of material shortage on the production of silica gel products, and improving the production efficiency.

[0026] The above embodiment is a preferred embodiment of the present application, but the embodiment of the present application is not limited by the above embodiment, and any change, modification, replacement, combination, simplification made without departing from the spirit and principle of the present application should be an equivalent replacement mode, and all are included in the protection scope of the present application.​

Claims

1. A liquid silicone rubber feeding machine with material shortage sensing mechanism, comprising a bottom frame, a control box, at least one lifting driving mechanism and at least one feeding mechanism, the control box is installed on the top front side of the bottom frame, the lifting driving mechanism is installed on the top rear side of the bottom frame, the feeding mechanism is longitudinally installed on the lifting driving mechanism, and the lifting driving mechanism can drive the feeding mechanism to move up and down, characterized in that: The lifting part of the lifting driving mechanism is provided with a longitudinally arranged material shortage contact push rod, the control box is provided with a sensor mounting plate, the sensor mounting plate is provided with a material shortage contact sensor, the sensing part of the material shortage contact sensor is located below the material shortage contact push rod, when the lifting driving mechanism drives the material shortage contact push rod to descend to a specified position, the lower end bottom of the material shortage contact push rod can be in contact with the sensing part of the material shortage contact sensor, so that the material shortage contact sensor sends a material shortage signal.

2. The liquid silicone supply machine with a missing material sensing mechanism according to claim 1, characterized in that: The upper end of the material shortage contact push rod is externally provided with external threads, and a limiting nut is mounted on the material shortage contact push rod, and the limiting nut is located above and / or below the lifting part of the lifting driving mechanism.

3. The liquid silicone supply machine with a missing material sensing mechanism of claim 1, wherein: The lower end bottom of the material shortage contact push rod is provided in a conical shape.

4. The liquid silicone supply machine with a missing material sensing mechanism of claim 1, wherein: The material shortage contact sensor is arranged as a travel switch, and the swing arm of the travel switch is provided with a roller for contacting the material shortage contact push rod.

5. The liquid silicone supply machine with a missing material sensing mechanism of claim 1, wherein: The lifting driving mechanism comprises lifting driving cylinders and a lifting cross beam, the lifting driving cylinders are provided in two, the two lifting driving cylinders are arranged in parallel and upward, the two ends of the lifting cross beam are respectively connected with the output rods of the two lifting driving cylinders, and the material shortage contact push rod is longitudinally mounted on the lifting cross beam.

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