Demoulding and spraying device for glass fiber reinforced plastic mortar pipe

Abstract

The utility model provides a glass fiber reinforced plastic mortar pipe demoulding and spraying device, which relates to the technical field of glass fiber reinforced plastic mortar pipe manufacturing instruments, and comprises a material conveying hose, the end part of the material conveying hose is rotatably connected with a rotary material pipe through a bearing and a sealing ring, and two conveying branch pipes are vertically arranged at the front end of the rotary material pipe; according to the sand inclusion pipe casting device, before casting work is carried out, the release agent applying mechanism can be controlled to spray a release agent on the inner surface of the mold, a release agent layer with the thickness of about 1-2 mm is formed, sand inclusion pipe casting materials are conveniently injected into the mold to be subjected to demolding after casting forming, and the casting efficiency is improved. A traditional waxing mode is improved, efficiency is high, and the problems that before pipe centrifugal casting work is carried out, in order to facilitate later demolding work, manual waxing needs to be carried out on the inner wall of a mold through a tool, and for a long and thin mold, waxing work wastes time and labor, production efficiency is low, and the waxing mode is not convenient enough are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of glass fiber reinforced plastic sand-filled pipe manufacturing equipment, in particular to a glass fiber reinforced plastic sand-filled pipe demoulding spraying device. Background Art

[0002] Sand-filled pipe centrifugal casting is a manufacturing process mainly used to produce FRP pipes, especially FRP sand-filled pipes. This process combines glass fiber reinforcement materials and sand to produce a non-porous dense composite material through a specific centrifugal casting process. In the centrifugal casting process, the cut glass fiber reinforcement materials and sand are first prepared and pumped into a steel mold fixed on a bearing. An unsaturated resin with a catalyst is injected into one end of the steel mold to impregnate the reinforcement material. Under the action of centrifugal force, the resin displaces the air in the fiber and filler, thereby producing a non-porous dense composite material.

[0003] For example, the invention patent with application number CN202310978241.2 discloses centrifugal casting molding equipment and molding method for the production of glass fiber reinforced plastic sand-filled pipes, including a bottom support platform, a molding mold is installed on the top of the bottom support platform, a mounting frame is provided on the top of the molding mold, a glue box is provided on the top of the bottom support platform, a nozzle is provided on the left side of the top of the glue box, and a pedal is provided on the left side of the bottom support platform; similar to the centrifugal casting of the pipe in the above patent, in order to facilitate the subsequent demolding work, it is necessary to manually use tools to wax the inner wall of the mold, and for slender molds, this waxing work is time-consuming and labor-intensive, the production efficiency is low, and the waxing method is not convenient enough. Utility Model Content

[0004] The disclosed embodiment relates to a demoulding spraying device for a glass fiber reinforced plastic sand-filled pipe, so as to solve the problem that before the centrifugal casting of the pipe is carried out, in order to facilitate the subsequent demoulding work, it is necessary to manually use tools to wax the inner wall of the mold, and for slender molds, this waxing work is time-consuming and labor-intensive, the production efficiency is low, and the waxing method is not convenient enough.

[0005] According to a first aspect of the present disclosure, a demoulding spraying device for a glass fiber reinforced plastic sand-filled pipe is provided, which specifically includes a feed hose, wherein the end of the feed hose is rotatably connected to a rotating material pipe via a bearing and a sealing ring, two delivery branches are vertically arranged at the front end of the rotating material pipe, and a telescopic branch is slidably connected inside each of the two delivery branches, a balancing support sleeve is rotatably connected to the rotating material pipe via a bearing, a motor support is welded below the rear end of the balancing support sleeve, a rotating driving member is fixedly connected to the motor support via bolts, a driving gear is fixedly connected to the rotating shaft of the rotating driving member, three movable connecting rods are fixedly connected to the balancing support sleeve via bolts, the outer ends of the movable connecting rods are fixedly connected to a parallel support frame, and a propulsion driving member is fixedly connected to the upper surface of the parallel support frame located below.

[0006] In at least some embodiments, the rear end of the rotating material tube is fixedly connected to a driven gear, the driven gear is meshed with the driving gear, a limiting slide groove is provided on the rear wall of the conveying branch pipe, and the rear surface end of the conveying branch pipe is fixedly connected to a first tension spring connecting plate.

[0007] In at least some embodiments, the rear surface of the telescopic branch pipe is fixedly connected to a second tension spring connecting plate, a tensioning spring is fixedly connected to the second tension spring connecting plate, the other end of the tensioning spring is fixedly connected to the first tension spring connecting plate, and a nozzle is fixedly connected to the outer end of the telescopic branch pipe.

[0008] In at least some embodiments, the nozzle is perpendicular to the telescopic branch pipe, the nozzle is connected to the telescopic branch pipe, a nozzle socket is opened through the outer wall of the nozzle, a release agent nozzle is fixedly connected to the nozzle socket, and two limiting wheels are rotatably connected to the nozzle, and the two limiting wheels are respectively located on both sides of the nozzle socket.

[0009] In at least some embodiments, three branch plates are welded on the outer surface of the balancing support sleeve, an angle of 120 degrees is set between two adjacent branch plates, and adjustment slots are opened on the branch plates.

[0010] In at least some embodiments, the three movable connecting rods are respectively connected to the three branch plate bolts, two guide rollers are rotatably connected to the parallel support frame, a propulsion friction wheel is fixedly connected to the rotating shaft of the propulsion drive member, and the wheel surface of the propulsion friction wheel is tightly rollingly connected to the wheel surface of the guide roller.

[0011] The utility model provides a demoulding spraying device for a glass fiber reinforced plastic sand-filled pipe, which has the following beneficial effects:

[0012] In the sand-filled tube casting device of the utility model, before the casting work is carried out, the mold release agent applying mechanism can be controlled to spray the mold release agent on the inner surface of the mold, so that the mold release agent is evenly distributed on the inner surface of the casting mold to form a mold release agent layer with a thickness of about 1-2mm, which is convenient for the sand-filled tube casting material to be injected into the mold for demolding after casting and forming, thereby improving the traditional waxing method, being highly efficient and reducing labor costs.

[0013] In addition, the release agent applying device is a rotary spraying mechanism, which can rotate and translate inside the mold so that the release agent can be evenly sprayed on the inner wall of the mold. A limiting wheel is provided to keep the release agent nozzle at a fixed distance from the inner wall of the mold, thereby more stably ensuring the spraying range and spraying density of the release agent nozzle and improving the spraying uniformity. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the drawings of the embodiment will be briefly introduced below.

[0015] The drawings described below only relate to some embodiments of the present invention, but are not intended to limit the present invention.

[0016] In the attached picture:

[0017] Figure 1 A schematic diagram showing the overall structure of the present application;

[0018] Figure 2 Shows a schematic diagram of the structure of the rear of this application;

[0019] Figure 3 The structural schematic diagram of the rotary material tube of the present application is shown;

[0020] Figure 4 The schematic diagram of the structure inside the rotating material tube of the present application is shown;

[0021] Figure 5 The schematic diagram of the structure of the telescopic branch pipe of the present application is shown;

[0022] Figure 6 A schematic structural diagram of the balancing support sleeve of the present application is shown.

[0023] Reference numerals list

[0024] 1. Feed hose; 2. Rotating feed pipe; 201. Driven gear; 202. Feed branch pipe; 203. Limiting slide; 204. First tension spring connecting plate; 3. Telescopic branch pipe; 301. Second tension spring connecting plate; 302. Tension spring; 303. Spray pipe; 304. Spray nozzle socket; 305. Release agent spray nozzle; 306. Limiting wheel; 5. Balance support sleeve; 501. Motor support; 502. Branch plate; 503. Adjusting slot; 6. Rotating drive member; 601. Driving gear; 7. Movable connecting rod; 701. Parallel support frame; 702. Guide roller; 8. Propulsion drive member; 801. Propulsion friction wheel. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution of the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings of the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Example 1: Please refer to Figures 1 to 6 :

[0027] The utility model proposes a demoulding spraying device for a glass fiber reinforced plastic sand-filled pipe, comprising a feeding hose 1, an end of the feeding hose 1 is rotatably connected to a rotating material pipe 2 through a bearing and a sealing ring, two feeding branches 202 are vertically arranged at the front end of the rotating material pipe 2, and a telescopic branch 3 is slidably connected inside the two feeding branches 202, respectively, a balancing support sleeve 5 is rotatably connected to the rotating material pipe 2 through a bearing, a motor support 501 is welded below the rear end of the balancing support sleeve 5, a rotating driving member 6 is fixedly connected to the motor support 501 through bolts, a driving gear 601 is fixedly connected to the rotating shaft of the rotating driving member 6, three movable connecting rods 7 are fixedly connected to the balancing support sleeve 5 through bolts, and the outer surface of the movable connecting rod 7 The end is fixedly connected with a parallel support frame 701, and the upper surface of the parallel support frame 701 located below is fixedly connected with a propulsion driving member 8. The rear end of the material tube 2 is fixedly connected with a driven gear 201, and the driven gear 201 is meshingly connected with the driving gear 601. A limiting slide groove 203 is provided on the rear wall of the conveying branch pipe 202, and the rear surface end of the conveying branch pipe 202 is fixedly connected with a first tension spring connecting plate 204; the rotating driving member 6 drives the driving gear 601 to rotate, and the meshing connection between the driving gear 601 and the driven gear 201 drives the rotating material tube 2 to rotate inside the balancing support sleeve 5, thereby driving the conveying branch pipe 202 to rotate, so that the release agent nozzle 305 performs surrounding spraying on the inner wall of the mold.

[0028] In the disclosed embodiment, when the release agent is sprayed, the fluid inside the rotating material tube 2 enters the two conveying branches 202 and then enters the inside of the two telescopic branches 3 .

[0029] In the embodiment of the present disclosure, the rear surface of the telescopic branch pipe 3 is fixedly connected to the second tension spring connecting plate 301, and the second tension spring connecting plate 301 is fixedly connected to the tension spring 302, and the other end of the tension spring 302 is fixedly connected to the first tension spring connecting plate 204, and the outer end of the telescopic branch pipe 3 is fixedly connected to the nozzle 303; the nozzle 303 is perpendicular to the telescopic branch pipe 3, and the nozzle 303 is connected to the telescopic branch pipe 3, and a nozzle socket 304 is opened on the outer wall of the nozzle 303, and a release agent is fixedly connected to the nozzle socket 304. The nozzle 305 and the nozzle pipe 303 are rotatably connected with two limiting wheels 306, and the two limiting wheels 306 are respectively located on both sides of the nozzle socket 304. Under normal conditions, the telescopic branch pipe 3 is inserted into the conveying branch pipe 202, and the two tension spring connecting plates are applied with tension by tightening the tension spring 302, and an outward pushing force is applied to the telescopic branch pipe 3, thereby maintaining the limiting wheel 306 in rolling connection with the inner wall of the mold, maintaining an appropriate distance between the release agent nozzle 305 and the inner wall of the mold, and ensuring the spraying effect of the release agent.

[0030] Embodiment 2, on the basis of embodiment 1, three branch plates 502 are welded on the outer surface of the balancing support sleeve 5, and an angle of 120 degrees is set between two adjacent branch plates 502, and an adjustment slot 503 is opened on the branch plate 502; three movable connecting rods 7 are respectively bolted to the three branch plates 502, two guide rollers 702 are rotatably connected to the parallel support frame 701, and a propulsion friction wheel 801 is fixedly connected to the rotating shaft of the propulsion drive member 8, and the wheel surface of the propulsion friction wheel 801 is tightly rollingly connected to the wheel surface of the guide roller 702, and the bolts can be used to The position of the movable link 7 on the branch plate 502 is adjusted, and the distance between the guide roller 702 and the axis of the rotating material tube 2 is adjusted to control the guide roller 702 to always be rollingly connected with the inner wall of the mold, and keep the axis of the rotating material tube 2 always colinear with the axis of the mold; by promoting the friction connection between the friction wheel 801 and the guide roller 702, the guide roller 702 is driven to rotate, and the rolling connection between the guide roller 702 and the inner wall of the mold drives the device to translate along the axis inside the mold as a whole, and the release agent is sprayed on different positions inside the mold.

[0031] The working principle of this embodiment is as follows: first, the input end of the feed hose 1 is connected to the release agent input pump, the device is placed inside the mold, the position of the movable connecting rod 7 on the branch plate 502 is adjusted, the guide roller 702 is connected to the inner wall of the mold by rolling, and the axis of the rotating material tube 2 is kept in line with the axis of the mold, the propulsion drive 8 is controlled to move, the drive device enters the inner end of the mold, the rotary drive 6 and the release agent input pump are started, the fluid inside the rotating material tube 2 enters the two delivery branches 202, the rotating material tube 2 is driven to rotate by the gear transmission between the driving gear 601 and the driven gear 201, the release agent enters the telescopic branch 3, and is evenly sprayed onto the inner surface of the mold through the release agent nozzle 305, the guide roller 702 is driven to rotate by the cooperation of the propulsion drive 8, the propulsion friction wheel 801 and the guide roller 702, the device is driven to move slowly backwards during the spraying process, and different positions inside the mold are sprayed, so that the release agent application work of sand-filled tube casting is completed.

[0032] In this article, there are a few points to note:

[0033] 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.

[0034] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.

[0035] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. Glass fiber reinforced plastic sand-filled pipe demoulding spraying device, including: A material delivery hose (1), wherein the end of the material delivery hose (1) is rotatably connected to a rotating material pipe (2) through a bearing and a sealing ring, and is characterized in that two delivery branches (202) are vertically arranged at the front end of the rotating material pipe (2), and a telescopic branch (3) is slidably connected inside each of the two delivery branches (202). A balancing support sleeve (5) is rotatably connected to the rotating material pipe (2) through a bearing, and a motor support (501) is welded below the rear end of the balancing support sleeve (5). A rotating drive member (6) is fixedly connected to the motor support (501) through bolts, and a driving gear (601) is fixedly connected to the rotating shaft of the rotating drive member (6). Three movable connecting rods (7) are fixedly connected to the balancing support sleeve (5) through bolts, and the outer ends of the movable connecting rods (7) are fixedly connected to a parallel support frame (701), and a propulsion driving member (8) is fixedly connected to the upper surface of the parallel support frame (701) located below.

2. The demoulding spraying device for glass fiber reinforced plastic sand-filled pipe according to claim 1 is characterized in that: The rear end of the rotating material tube (2) is fixedly connected to a driven gear (201), the driven gear (201) is meshedly connected to the driving gear (601), a limiting sliding groove (203) is provided on the rear wall of the conveying branch pipe (202), and the rear surface end of the conveying branch pipe (202) is fixedly connected to a first tension spring connecting plate (204).

3. The demoulding spraying device for glass fiber reinforced plastic sand-filled pipe according to claim 2 is characterized in that: The rear surface of the telescopic branch pipe (3) is fixedly connected to a second tension spring connecting plate (301), a tension spring (302) is fixedly connected to the second tension spring connecting plate (301), the other end of the tension spring (302) is fixedly connected to the first tension spring connecting plate (204), and the outer end of the telescopic branch pipe (3) is fixedly connected to a nozzle (303).

4. The demoulding spraying device for glass fiber reinforced plastic sand-filled pipe according to claim 3 is characterized in that: The nozzle (303) is perpendicular to the telescopic branch pipe (3), the nozzle (303) is connected to the telescopic branch pipe (3), a nozzle socket (304) is provided through the outer wall of the nozzle (303), a mold release agent nozzle (305) is fixedly connected to the nozzle socket (304), and two limiting wheels (306) are rotatably connected to the nozzle (303), and the two limiting wheels (306) are respectively located on both sides of the nozzle socket (304).

5. The demoulding spraying device for glass fiber reinforced plastic sand-filled pipe according to claim 1 is characterized in that: Three branch plates (502) are welded on the outer surface of the balancing support sleeve (5), and adjustment grooves (503) are provided on the branch plates (502).

6. The demoulding spraying device for glass fiber reinforced plastic sand-filled pipe according to claim 5 is characterized in that: The three movable connecting rods (7) are respectively bolted to the three branch plates (502); two guide rollers (702) are rotatably connected to the parallel support frame (701); a propulsion friction wheel (801) is fixedly connected to the rotating shaft of the propulsion driving member (8); and the wheel surface of the propulsion friction wheel (801) is tightly rollingly connected to the wheel surface of the guide roller (702).

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