Mold locking and demolding structure of vertical rubber injection molding machine

Abstract

The utility model relates to the technical field of injection molding, in particular to a mold locking and demolding structure of a vertical rubber injection molding machine, which comprises a bottom plate, four supporting rods are connected to the rear side of the top of the bottom plate, the four supporting rods are distributed in a rectangular shape, a top plate is connected to the upper ends of the supporting rods, hydraulic cylinders are installed on the left side and the right side of the top of the top plate, the output ends of the hydraulic cylinders are connected with the lifting plate, and the lifting plate is connected with the inserting rods. Inserting rods are connected to four corners of the lower end of the lifting plate; by arranging the mounting cylinder, the pressure sensors, the lifting plate and the insertion rods, when the lower die and the upper die are locked, the hydraulic cylinder is started and can drive the insertion rods to press the pressure sensors, when the pressure difference monitored by the four pressure sensors is too large, interference of sundries exists, and at the moment, the hydraulic cylinder stops die closing operation; and therefore, the lower die and the upper die can be protected.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection molding technical field especially relates to a vertical rubber injection molding machine locking and demolding structure. BACKGROUND

[0002] The vertical rubber injection molding machine is a kind of injection molding equipment for rubber product production, and its core feature is that injection device and locking device are located on the same vertical center line, so that the opening and closing direction of mold is along up and down, and the vertical rubber injection molding machine usually adopts hydraulic system to provide necessary locking force to ensure that mold keeps tightly closed during injection process, and the size of locking force varies according to different machine types, for example, the locking force of some small vertical injection molding machine can be about 20 tons, and large machine type can reach hundreds of tons.

[0003] Some existing vertical rubber injection molding machine locking and demolding structure, when feeding injection molding machine, personnel long time labor may exist the condition of operating error, possibly leading to the surface of mold remaining other articles, so that it can influence subsequent locking, increase the wear of mold.

[0004] Therefore, aiming at the above-mentioned some existing vertical rubber injection molding machine locking and demolding structure, when feeding injection molding machine, personnel long time labor may exist the condition of operating error, possibly leading to the surface of mold remaining other articles, so that it can influence subsequent locking, increase the wear of mold problem, a vertical rubber injection molding machine locking and demolding structure can be designed, by setting installation cylinder, pressure sensor, lifting plate and inserting rod, when locking lower mold and upper mold, starting hydraulic cylinder, hydraulic cylinder can drive inserting rod to press pressure sensor, when the pressure difference monitored by four pressure sensors is too large, it indicates that there is rubbish interference, at this time, hydraulic cylinder stops mold closing operation, so as to play the protection role to lower mold and upper mold. SUMMARY

[0005] In order to overcome the problem that some existing vertical rubber injection molding machine locking and demolding structure, when feeding injection molding machine, personnel long time labor may exist the condition of operating error, possibly leading to the surface of mold remaining other articles, so that it can influence subsequent locking, increase the wear of mold.

[0006] The technical solution of this utility model is as follows: a vertical rubber injection molding machine locking and demolding structure, including a base plate; it also includes a mounting plate, a lower mold, a mounting cylinder, a pressure sensor, a first pressure plate, a spring, a second pressure plate, a lifting plate, insert rods, and an upper mold. Four support rods are connected to the top rear side of the base plate. The four support rods are arranged in a rectangular pattern. The upper end of the support rods is connected to a top plate. Hydraulic cylinders are installed on the left and right sides of the top of the top plate. The output end of the hydraulic cylinders is connected to the lifting plate. Insert rods are connected to the four corners of the lower end of the lifting plate. The upper mold is installed at the lower end of the lifting plate. A mounting plate is provided on the top front side of the base plate. The lower mold is installed on the top of the mounting plate. Mounting cylinders are connected to the four corners of the top of the mounting plate. A pressure sensor is installed at the bottom inside the mounting cylinder. The upper end of the pressure sensor is connected to a first pressure plate. The upper end of the first pressure plate is connected to a spring. The upper end of the spring is connected to a second pressure plate. A clearance hole is opened on the top of the mounting cylinder, and the clearance hole matches the insert rod.

[0007] Preferably, when locking the lower and upper molds, the hydraulic cylinder is activated. The output end of the hydraulic cylinder drives the lifting plate to move downward. The insert rod on the lifting plate can then extend into the interior of the mounting cylinder through the clearance hole. The insert rod can transmit pressure to the pressure sensors through the second pressure plate, the spring, and the first pressure plate. The four pressure sensors can then monitor the pressure at the four corners. When the pressure difference between the four pressure sensors is within a suitable error range, the mold locking is successful. When the pressure difference between the four pressure sensors is too large, it indicates that there is foreign interference. At this time, the hydraulic cylinder stops the mold closing operation, thereby protecting the lower and upper molds.

[0008] Preferably, the top rear side of the base plate is connected to side plates at both ends, and electric actuators are installed on the rear side of the side plates.

[0009] Preferably, the output end of the electric actuator is connected to a connecting plate, and the left and right connecting plates are respectively connected to the left and right sides of the mounting plate.

[0010] Preferably, a positioning plate is connected to the top of the base plate, and the positioning plate is located on the rear side of the mounting plate.

[0011] Preferably, a material cylinder is installed on the top of the lifting plate, and a motor is installed on the top of the material cylinder.

[0012] Preferably, the top of the top plate is provided with a relief groove, and the material cylinder is located inside the relief groove.

[0013] Preferably, the bottom of the base plate is connected to four support legs, which are located at the four corners of the bottom of the base plate.

[0014] The beneficial effects of this utility model are:

[0015] 1. By setting the mounting plate, the lower die, the mounting cylinder, the pressure sensor, the pressing plate one, the spring, the pressing plate two, the lifting plate, the inserting rod and the upper die, the model of the pressure sensor is BK-1D, when the lower die and the upper die are locked, the hydraulic cylinder is started, the output end of the hydraulic cylinder can drive the lifting plate to move downward, the inserting rod on the lifting plate can extend into the inside of the mounting cylinder through the clearance hole, the inserting rod can transmit the pressure to the pressure sensor through the pressing plate two, the spring and the pressing plate one, the four pressure sensors can monitor the pressure at the four corners, when the pressure difference of the four pressure sensors is within the suitable error range, the locking is successful, when the pressure difference of the four pressure sensors is too large, it indicates that there is foreign matter interference, at this time the hydraulic cylinder stops the locking operation, thereby the lower die and the upper die can be protected. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A three-dimensional structure schematic view of the bottom plate of the locking and demolding structure of the vertical rubber injection molding machine is shown.

[0017] Figure 2 A three-dimensional structure schematic view of the bottom plate of the locking and demolding structure of the vertical rubber injection molding machine is shown.

[0018] Figure 3 A three-dimensional structure schematic view of the bottom plate of the locking and demolding structure of the vertical rubber injection molding machine is shown.

[0019] Figure 4 A three-dimensional structure schematic view of the bottom plate of the locking and demolding structure of the vertical rubber injection molding machine is shown.

[0020] The reference signs are as follows: 1, bottom plate; 2, supporting rod; 3, top plate; 4, side plate; 5, electric push rod; 6, connecting plate; 7, mounting plate; 8, lower die; 9, mounting cylinder; 10, pressure sensor; 11, pressing plate one; 12, spring; 13, pressing plate two; 14, clearance hole; 15, positioning plate; 16, hydraulic cylinder; 17, lifting plate; 18, inserting rod; 19, upper die; 20, barrel; 21, motor; 22, clearance groove; 23, supporting leg. DETAILED DESCRIPTION

[0021] The utility model will be further explained in connection with the drawings and examples.

[0022] Please refer to Figures 1-4The utility model provides a kind of embodiment: a vertical rubber injection molding machine locking, stripping structure, including bottom plate 1;Still including mounting plate 7, lower mould 8, mounting cylinder 9, pressure sensor 10, pressing plate one 11, spring 12, pressing plate two 13, lifting plate 17, plug rod 18 and upper mould 19, the top rear side of bottom plate 1 is connected with four support rods 2, four support rods 2 are rectangular distribution, the upper end of support rod 2 is connected with top plate 3, the top left and right sides of top plate 3 are evenly installed with hydraulic cylinder 16, the output end of hydraulic cylinder 16 is connected with lifting plate 17, the lower end of lifting plate 17 four corners is connected with plug rod 18, the lower end of lifting plate 17 is installed with upper mould 19, the top front side of bottom plate 1 is provided with mounting plate 7, the top of mounting plate 7 is installed with lower mould 8, the top four corners of mounting plate 7 are connected with mounting cylinder 9, the inside bottom of mounting cylinder 9 is installed with pressure sensor 10, the upper end of pressure sensor 10 is connected with pressing plate one 11, the upper end of pressing plate one 11 is connected with spring 12, the upper end of spring 12 is connected with pressing plate two 13, the top of mounting cylinder 9 is provided with let -by hole 14, let -by hole 14 and plug rod 18 are mutually matched, when locking mould to lower mould 8 and upper mould 19, start hydraulic cylinder 16, the output end of hydraulic cylinder 16 can drive lifting plate 17 to move downwards, and plug rod 18 on lifting plate 17 can thus pass let -by hole 14 and extend into the inside of mounting cylinder 9, and plug rod 18 can pass pressing plate two 13, spring 12 and pressing plate one 11 and transmit pressure to pressure sensor 10, and four pressure sensors 10 can thus monitor the pressure at four corners, when the pressure difference of four pressure sensors 10 is within suitable error range, then locking is successful, when the pressure difference of four pressure sensors 10 is too large, then it indicates that there is sundry interference, at this time, hydraulic cylinder 16 stops closing operation, to play the role of protection to lower mould 8 and upper mould 19.

[0023] Please refer to Figure 2 In the embodiment, the top rear side left and right ends of bottom plate 1 are connected with side plate 4, the rear side of side plate 4 is installed with electric push rod 5, the output end of electric push rod 5 is connected with connecting plate 6, and left and right connecting plates 6 are connected on the left and right sides of mounting plate 7, the top of bottom plate 1 is connected with positioning plate 15, positioning plate 15 is located at the rear side of mounting plate 7, start electric push rod 5, the output end of electric push rod 5 can drive mounting plate 7 to move to front side through connecting plate 6, and mounting plate 7 can thus drive lower mould 8 to move to front side, personnel can carry out feeding and discharging operation to lower mould 8, after feeding is completed, drive mounting plate 7 to move to rear side through electric push rod 5, when mounting plate 7 moves to the front side of positioning plate 15, the positioning between lower mould 8 and upper mould 19 can be completed.

[0024] Please refer to Figures 1-4In this embodiment, the top of the lifting plate 17 is provided with a barrel 20, the top of the barrel 20 is provided with a motor 21, the top of the top plate 3 is provided with a let slot 22, the barrel 20 is located in the let slot 22, the bottom of the bottom plate 1 is connected with four supporting legs 23, the four supporting legs 23 are located at the bottom of the bottom plate 1 respectively, the supporting legs 23 can support the device, the let slot 22 can let the barrel 20 up and down, the motor 21 can drive the raw materials in the barrel 20, so as to inject the mold.

[0025] When working, the electric push rod 5 is started, the output end of the electric push rod 5 can drive the mounting plate 7 to move forward through the connecting plate 6, the mounting plate 7 can drive the lower mold 8 to move to the front side, personnel can operate the upper and lower molds 8, after the upper material is completed, the mounting plate 7 is driven to move backward by the electric push rod 5, when the mounting plate 7 moves to the front side of the positioning plate 15, the hydraulic cylinder 16 is started, the output end of the hydraulic cylinder 16 can drive the lifting plate 17 to move downward, the plug rod 18 on the lifting plate 17 can extend into the inside of the mounting cylinder 9 through the let hole 14, the plug rod 18 can transmit the pressure to the pressure sensor 10 through the second pressing plate 13, the spring 12 and the first pressing plate 11, the four pressure sensors 10 can monitor the pressure at the four corners, when the pressure difference of the four pressure sensors 10 is within the suitable error range, the mold locking is successful, the motor 21 can drive the raw materials in the barrel 20 to inject, when the pressure difference of the four pressure sensors 10 is too large, it means that there is interference, at this time the hydraulic cylinder 16 stops the mold closing operation, so as to protect the lower mold 8 and the upper mold 19.

[0026] Through the above steps, by setting the mounting cylinder 9, the pressure sensor 10, the lifting plate 17 and the plug rod 18, when the lower mold 8 and the upper mold 19 are locked, the hydraulic cylinder 16 is started, the hydraulic cylinder 16 can drive the plug rod 18 to press the pressure sensor 10, when the pressure difference monitored by the four pressure sensors 10 is too large, it means that there is interference, at this time the hydraulic cylinder 16 stops the mold closing operation, so as to protect the lower mold 8 and the upper mold 19, to solve the problem that some existing vertical rubber injection molding machine mold locking and demolding structure, when the injection molding machine is fed, the personnel may have operation error for a long time, which may cause other materials to remain on the surface of the mold, thereby affecting the subsequent mold locking and increasing the wear of the mold.

Claims

1. A locking and demolding structure of a vertical rubber injection molding machine, comprising a base plate (1); characterized in that: It also includes the mounting plate (7), lower die (8), mounting cylinder (9), pressure sensor (10), pressing plate one (11), spring (12), pressing plate two (13), lifting plate (17), plug rod (18) and upper die (19), the top rear side of the bottom plate (1) is connected with four support rods (2), four support rods (2) are distributed in a rectangular shape, the upper end of the support rod (2) is connected with the top plate (3), the top plate (3) is installed with hydraulic cylinders (16) on the top left and right sides, the output end of the hydraulic cylinder (16) is connected with the lifting plate (17), the lower end of the lifting plate (17) is connected with the plug rod (18) at the four corners, the lower end of the lifting plate (17) is installed with the upper die (19), the top front side of the bottom plate (1) is provided with the mounting plate (7), the top of the mounting plate (7) is installed with the lower die (8), the top of the mounting plate (7) is connected with the mounting cylinder (9) at the four corners, the inside bottom of the mounting cylinder (9) is installed with the pressure sensor (10), the upper end of the pressure sensor (10) is connected with the pressing plate one (11), the upper end of the pressing plate one (11) is connected with the spring (12), the upper end of the spring (12) is connected with the pressing plate two (13), the top of the mounting cylinder (9) is provided with the let hole (14), and the let hole (14) and the plug rod (18) are matched with each other.

2. The mold locking and releasing structure of a vertical rubber injection molding machine according to claim 1, characterized in that: The left and right ends of the top rear side of the bottom plate (1) are connected with the side plates (4), and the rear side of the side plate (4) is installed with the electric push rod (5).

3. The mold locking and releasing structure of a vertical rubber injection molding machine according to claim 2, characterized in that: The output end of the electric push rod (5) is connected with the connecting plate (6), and the left and right connecting plates (6) are connected on the left and right sides of the mounting plate (7).

4. The mold locking and releasing structure of a vertical rubber injection molding machine according to claim 1, characterized in that: The top of the bottom plate (1) is connected with the positioning plate (15), and the positioning plate (15) is located on the rear side of the mounting plate (7).

5. The mold locking and stripping structure for a vertical rubber injection molding machine according to claim 1, characterized in that: The top of the lifting plate (17) is installed with the barrel (20), and the top of the barrel (20) is installed with the motor (21).

6. The mold locking and stripping structure for a vertical rubber injection molding machine according to claim 1, characterized by: The top of the top plate (3) is provided with the let slot (22), and the barrel (20) is located in the inside of the let slot (22).

7. The mold locking and releasing structure of a vertical rubber injection molding machine according to claim 1, characterized in that: The bottom of the bottom plate (1) is connected with four supporting legs (23), and the four supporting legs (23) are respectively located at the bottom four corners of the bottom plate (1).

Images