Unsaturated polyester resin filling machine

Abstract

The utility model discloses an unsaturated polyester resin filling machine, which belongs to the technical field of resin filling machines and comprises a worktable, a frame, a mixing component and a pressurizing component. The pressurizing assembly comprises a pressurizing barrel, a movable cavity, a pressurizing cavity, a piston rod, a piston head, a driving mechanism, a discharging nozzle and a first one-way valve. According to the unsaturated polyester resin filling machine, the piston rod is driven by the driving mechanism to reciprocate in the pressurizing barrel, then the piston rod drives the piston head to extrude unsaturated polyester resin in the pressurizing cavity, and the unsaturated polyester resin is discharged through the discharging nozzle and the first one-way valve, so that the resin filling efficiency is improved, and the industrial production requirement is met; in addition, as the movable plate can stay for a short time at the two ends of the stroke when the movable shaft moves in the arc-shaped movable groove, the piston head can be fully extruded on the inner side of the pressurizing cavity, resin on the inner side of the pressurizing cavity is thoroughly discharged, and internal residues are prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to resin filling machine technical field, specifically is a kind of unsaturated polyester resin filling machine. BACKGROUND

[0002] Unsaturated polyester resin is the most commonly used one of thermosetting resin, it is generally by unsaturated dibasic acid and dihydric alcohol or saturated dibasic acid and unsaturated dihydric alcohol polycondensation and has ester bond and unsaturated double bond linear macromolecular compound. At present, when unsaturated polyester resin is filled, the unsaturated polyester resin with certain viscosity is generally filled into resin product by the way of pressurization.

[0003] The Chinese patent document with the authorized announcement number CN219029842U discloses a wiring arrangement device for computer network maintenance, comprising a mixing assembly and a pressurization assembly, the output end of the mixing assembly is connected with the pressurization assembly; the pressurization assembly comprises a pressurization shell, end cover one and end cover two are detachably installed at both ends of the pressurization shell, a pneumatic cylinder is fixedly installed on the side of the end cover two away from the pressurization shell, a piston head is installed at the output end of the pneumatic cylinder through one end of the end cover two, and the piston head is movably arranged in the pressurization shell. The utility model adjusts the setting of pressurized filling, shortens the pressurization time during filling, improves the pressurization efficiency, reduces the power consumption, is easy to operate, and has high practicability.

[0004] However, the above technical solution has the following defects in use: the activity efficiency of the piston rod of the pneumatic cylinder in the pressurization shell is low, which leads to low efficiency of resin filling, cannot meet the needs of industrial production, and because the resin has certain viscosity, the end of the piston in the pressurization shell cannot completely discharge the resin, and the practicability is poor. UTILITY MODEL CONTENTS

[0005] The utility model provides a kind of unsaturated polyester resin filling machine, to solve the problem that the activity efficiency of the piston rod of the pneumatic cylinder in the pressurization shell is low in the background art, which leads to low efficiency of resin filling, cannot meet the needs of industrial production, and because the resin has certain viscosity, the end of the piston in the pressurization shell cannot completely discharge the resin, and the practicability is poor.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an unsaturated polyester resin filling machine, comprising a workbench, a frame fixedly connected to one side of the top of the workbench, a mixing assembly fixedly installed on the top of the frame, and a pressurizing assembly fixedly connected to the bottom outlet of the mixing assembly; the pressurizing assembly comprises a pressurizing cylinder fixedly connected to the bottom of the mixing assembly, a movable chamber and a pressurizing chamber arranged axially and independently inside the pressurizing cylinder, a piston rod movably disposed inside the movable chamber, a piston head fixedly connected to one end of the piston rod extending into the pressurizing chamber, a drive mechanism fixedly connected to the other end of the piston rod, and an outlet fixedly connected to one end of the pressurizing chamber. The device includes a feeding nozzle and a first one-way valve fixedly installed on the feeding nozzle; the driving mechanism includes a drive motor fixedly installed on the bottom of one side of the frame, a first pulley fixedly installed on the output shaft of the drive motor, a fixed plate fixedly connected to one side of the frame, a rotating disk rotatably connected to one side of the fixed plate, a movable shaft fixedly connected to the surface of the rotating disk, two guide rods fixedly connected to one side of the frame, a movable plate slidably connected to the outer wall of the guide rods and fixedly connected to one end of the piston rod, an arc-shaped movable groove opened on the surface of the movable plate and adapted to the movable shaft, a second pulley fixedly installed on the side of the rotating disk away from the movable plate, and a belt sleeved on the first pulley and the second pulley.

[0007] During operation, the drive motor drives the first pulley to rotate, which in turn drives the second pulley to rotate via a belt. The second pulley then drives the rotating disk to rotate. The rotating disk, through a movable shaft and an arc-shaped movable groove, drives the movable plate to move back and forth along the guide rod. Simultaneously, the movable plate drives the piston rod to move back and forth within the pressure chamber. The piston rod then drives the piston head to squeeze the unsaturated polyester resin inside the pressure chamber and discharge it through the discharge nozzle and the first one-way valve. This improves the efficiency of resin filling and meets the needs of industrial production. Furthermore, because the movable shaft causes the movable plate to pause briefly at both ends of its stroke when moving in the arc-shaped movable groove, the piston head can fully squeeze the resin inside the pressure chamber, thus completely discharging the resin and preventing internal residue.

[0008] Preferably, the mixing assembly includes a tank, a stirring mechanism fixedly installed on the inner wall of the tank top cover, a discharge pipe fixedly installed on the bottom of the tank and connected to the pressurization chamber, and a second one-way valve fixedly installed on the discharge pipe.

[0009] Preferably, a limiting plate is fixedly installed on the outer side of the piston rod, and a buffer spring is connected between the limiting plate and the inner wall of the movable cavity.

[0010] Preferably, the frame has a through hole in the middle that is adapted to the piston rod.

[0011] Preferably, one side of the workbench is fixedly connected with an L-shaped protection frame, and the lower end of the L-shaped protection frame is fixedly installed with a reinforcing inclined rod.

[0012] Preferably, one side of the rack is fixedly connected with a supporting inclined rod, and the top of the supporting inclined rod is fixedly installed with a fixing ring matched with the booster cylinder.

[0013] The unsaturated polyester resin filling machine has simple structure and convenient use. The driving motor drives the first belt pulley to rotate, the first belt pulley drives the second belt pulley to rotate through the belt, the second belt pulley drives the rotating disc to rotate, the rotating disc drives the movable plate to reciprocate along the guide rod through the cooperation of the moving shaft and the arc-shaped movable groove, the movable plate drives the piston rod to reciprocate in the booster cylinder, the piston rod drives the piston head to extrude the unsaturated polyester resin in the booster cavity and discharge the resin through the discharge nozzle and the first one-way valve, so that the resin filling efficiency is improved, the needs of industrial production are met, and the piston head is fully extruded in the booster cavity, so that the resin in the booster cavity is completely discharged, and internal residues are prevented. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a front side structure schematic view of an unsaturated polyester resin filling machine.

[0015] Figure 2 It is a sectional structure schematic view of a part of an unsaturated polyester resin filling machine.

[0016] Figure 3 It is a rear side structure schematic view of an unsaturated polyester resin filling machine.

[0017] In the drawings:

[0018] 1, workbench;

[0019] 2, rack;

[0020] 3, mixing assembly; 31, tank body; 32, stirring mechanism; 33, discharge pipe; 34, second one-way valve;

[0021] 4, booster assembly; 41, booster cylinder; 42, movable cavity; 43, booster cavity; 44, piston rod; 441, limiting plate; 442, buffer spring; 45, piston head; 46, driving mechanism; 47, discharge nozzle; 48, first one-way valve;

[0022] 461, driving motor; 462, first pulley; 463, fixed plate; 464, rotating disc; 465, moving shaft; 466, guide rod; 467, movable plate; 468, arc movable groove; 469, second pulley; 4610, belt;

[0023] 5, L-shaped protection frame;

[0024] 6, reinforcing diagonal rod;

[0025] 7, supporting diagonal rod;

[0026] 8, fixed ring. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0028] The present embodiment provides an unsaturated polyester resin filling machine, which comprises Figures 1 to 3The unsaturated polyester resin filling machine shown includes a workbench 1, a rack 2 fixedly connected to one side of the top of the workbench 1, a mixing assembly 3 fixedly installed on the top of the rack 2, and a pressurizing assembly 4 fixedly connected to the discharge port at the bottom of the mixing assembly 3; the pressurizing assembly 4 includes a pressurizing cylinder 41 fixedly connected to the bottom of the mixing assembly 3, an active cavity 42 and a pressurizing cavity 43 arranged in the inside of the pressurizing cylinder 41 in sequence along the axial direction and independent of each other, a piston rod 44 movably arranged in the inside of the active cavity 42, a piston head 45 fixedly connected to the end of the piston rod 44 extending into the inside of the pressurizing cavity 43, a driving mechanism 46 fixedly connected to the other end of the piston rod 44, a discharge nozzle 47 fixedly connected to one end of the pressurizing cavity 43, and a first check valve 48 fixedly installed on the discharge nozzle 47; the driving mechanism 46 includes a driving motor 461 fixedly installed on the bottom of one side of the rack 2, a first belt pulley 462 fixedly installed on the output shaft of the driving motor 461, a fixed plate 463 fixedly connected to one side of the rack 2, a rotating disc 464 rotatably connected to one side of the fixed plate 463, a moving shaft 465 fixedly connected to the surface of the rotating disc 464, two guide rods 466 fixedly connected to one side of the rack 2, an active plate 467 slidably connected to the outer wall of the guide rods 466 and fixedly connected to one end of the piston rod 44, an arc-shaped active groove 468 opened on the surface of the active plate 467 and matched with the moving shaft 465, a second belt pulley 469 fixedly installed on the side of the rotating disc 464 away from the active plate 467, and a belt 4610 sleeved on the first belt pulley 462 and the second belt pulley 469.

[0029] In operation, the driving motor 461 drives the first belt pulley 462 to rotate, the first belt pulley 462 drives the second belt pulley 469 to rotate through the belt 4610, the second belt pulley 469 drives the rotating disc 464 to rotate, the rotating disc 464 drives the active plate 467 to reciprocate along the guide rods 466 through the cooperation of the moving shaft 465 and the arc-shaped active groove 468, the active plate 467 drives the piston rod 44 to reciprocate in the pressurizing cylinder 41, the piston rod 44 drives the piston head 45 to extrude the unsaturated polyester resin in the pressurizing cavity 43 and discharge it through the discharge nozzle 47 and the first check valve 48, thereby improving the efficiency of resin filling and meeting the needs of industrial production, and because the moving shaft 465 makes the active plate 467 stay for a short time at both ends of the stroke when moving in the arc-shaped active groove 468, the piston head 45 is fully extruded in the inside of the pressurizing cavity 43, thereby completely discharging the resin in the inside of the pressurizing cavity 43 and preventing internal residues.

[0030] In one embodiment, the mixing assembly 3 comprises a tank body 31, a stirring mechanism 32 fixedly installed on the inner wall of the top cover of the tank body 31, a discharge pipe 33 fixedly installed on the bottom of the tank body 31 and connected with the plenum 43, and a second one-way valve 34 fixedly installed on the discharge pipe 33.

[0031] In this embodiment, the unsaturated polyester resin in the tank body 31 is continuously stirred by the stirring mechanism 32, so that the resin remains uniform, and the resin is supplied to the plenum 43 through the discharge pipe 33 and the second one-way valve 34, improving the filling effect of the product and having high practicability. Figure 2

[0032] In one embodiment, the outer side of the piston rod 44 is fixedly installed with a limiting plate 441, and the limiting plate 441 is connected with the inner wall of the movable cavity 42 through a buffer spring 442.

[0033] In this embodiment, when the piston rod 44 moves in the plenum 41, the limiting plate 441 is also moved in the movable cavity 42, and the limiting plate 441 is buffered by the buffer spring 442, so as to buffer the piston rod 44 and the piston head 45, thereby prolonging the service life. Figure 2

[0034] In one embodiment, the middle part of the rack 2 is provided with a through hole 21 matched with the piston rod 44.

[0035] In this embodiment, the through hole 21 facilitates the piston rod 44 to pass through, and realizes the pressurization effect of the pressurization assembly 4. Figure 1

[0036] In one embodiment, one side of the workbench 1 is fixedly connected with an L-shaped protective frame 5, and the lower end of the L-shaped protective frame 5 is fixedly installed with a reinforcing inclined rod 6.

[0037] In this embodiment, the L-shaped protective frame 5 is arranged to protect the driving mechanism 46, and the reinforcing inclined rod 6 can increase the structural strength of the L-shaped protective frame 5. Figure 1

[0038] In one embodiment, one side of the rack 2 is fixedly connected with a supporting inclined rod 7, and the top of the supporting inclined rod 7 is fixedly installed with a fixing ring 8 matched with the plenum 41.

[0039] In this embodiment, the supporting inclined rod 7 and the fixing ring 8 are arranged to support the plenum 41, so as to improve the stability when the plenum 41 shakes during filling. Figure 1

[0040] ​​​​​The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. An unsaturated polyester resin filling machine, comprising a workbench (1), a rack (2) fixedly connected to one side of the top of the workbench (1), a mixing assembly (3) fixedly installed on the top of the rack (2), and a pressurizing assembly (4) fixedly connected to the discharge port at the bottom of the mixing assembly (3). characterized in that The pressurizing assembly (4) comprises a pressurizing cylinder (41) fixedly connected to the bottom of the mixing assembly (3), an active cavity (42) and a pressurizing cavity (43) arranged in the pressurizing cylinder (41) in sequence along the axial direction and independent of each other, a piston rod (44) movably arranged in the active cavity (42), a piston head (45) fixedly connected to the end of the piston rod (44) extending into the pressurizing cavity (43), a driving mechanism (46) fixedly connected to the other end of the piston rod (44), a discharge nozzle (47) fixedly connected to one end of the pressurizing cavity (43), and a first one-way valve (48) fixedly installed on the discharge nozzle (47). The driving mechanism (46) comprises a driving motor (461) fixedly installed on one side of the bottom of the rack (2), a first belt pulley (462) fixedly installed on the output shaft of the driving motor (461), a fixed plate (463) fixedly connected to one side of the rack (2), a rotating disc (464) rotatably connected to one side of the fixed plate (463), a moving shaft (465) fixedly connected to the surface of the rotating disc (464), two guide rods (466) fixedly connected to one side of the rack (2), a movable plate (467) slidably connected to the outer wall of the guide rod (466) and fixedly connected to one end of the piston rod (44), an arc-shaped movable groove (468) formed on the surface of the movable plate (467) and matched with the moving shaft (465), a second belt pulley (469) fixedly installed on the side of the rotating disc (464) away from the movable plate (467), and a belt (4610) sleeved on the first belt pulley (462) and the second belt pulley (469).

2. The unsaturated polyester resin filling machine according to claim 1, characterized in that: The mixing assembly (3) comprises a tank body (31), a stirring mechanism (32) fixedly installed on the inner wall of the top cover of the tank body (31), a discharge pipe (33) fixedly installed on the bottom of the tank body (31) and connected to the pressurizing cavity (43), and a second one-way valve (34) fixedly installed on the discharge pipe (33).

3. The unsaturated polyester resin filling machine according to claim 1, characterized in that: A limiting plate (441) is fixedly installed on the outer side of the piston rod (44), and a buffer spring (442) is connected between the limiting plate (441) and the inner wall of the active cavity (42).

4. The unsaturated polyester resin filling machine according to claim 1, characterized in that: A through hole (21) matched with the piston rod (44) is formed in the middle of the rack (2).

5. The unsaturated polyester resin filling machine according to claim 1, characterized in that: An L-shaped protective frame (5) is fixedly connected to one side of the workbench (1), and a reinforcing inclined rod (6) is fixedly installed on the lower end of the L-shaped protective frame (5).

6. The unsaturated polyester resin filling machine according to claim 1, characterized in that: A supporting inclined rod (7) is fixedly connected to one side of the rack (2), and a fixing ring (8) matched with the pressurizing cylinder (41) is fixedly installed on the top of the supporting inclined rod (7).

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