CN108673797B

CN108673797B - Demoulding device

Info

Publication number: CN108673797B
Application number: CN201810300150.2A
Authority: CN
Inventors: 王玉宝; 詹金珠; 洪家驹; 周勇; 董琪军
Original assignee: Anhui Anlan Mould Co ltd
Current assignee: Anhui Anlan Mould Co ltd
Priority date: 2018-04-04
Filing date: 2018-04-04
Publication date: 2020-08-04
Anticipated expiration: 2038-04-04
Also published as: CN108673797A

Abstract

The invention discloses a demoulding device which comprises a workbench, wherein an upper support is fixedly arranged at the top of the workbench, a lower support is fixedly arranged at the bottom of the workbench, a placing groove is formed in the workbench, a guide pipe is arranged at the bottom of the placing groove, the guide pipe is nested at the bottom of the placing groove, a guide rod penetrates through the upper support, a first cylinder is arranged on one side of the guide rod, a fixing frame is arranged on the other side of the guide rod, the first cylinder and the fixing frame are fixedly arranged at the top of the upper support, a limiting ring is sleeved on the outer side of the guide rod, a connecting block is arranged on one side of the limiting ring, and the connecting block is fixedly. The guide rod can form effective guide for the ejector rod, so that the ejector rod is more stably descended, the demolding quality and the integrity of a mold after demolding are effectively guaranteed, and meanwhile compared with the prior art, the ejector rod effectively reduces the structural wear speed, prolongs the service life of equipment, and has higher treatment efficiency.

Description

Demoulding device

Technical Field

The invention relates to the technical field of demolding, in particular to a demolding device.

Background

The demolding device is used for pushing out a formed workpiece from a mold, and has the advantages of simplicity in operation, labor saving and high demolding speed compared with manual demolding, but the existing demolding device has some defects in practical use, for example, a cylinder in the prior art is not stable enough in the pressing process, and after the demolding device is used for a long time, due to the fact that equipment is abraded, an ejector rod on the demolding device possibly collides with the mold, and the mold is damaged or directly damaged.

Therefore, it is necessary to invent a mold release device to solve the above problems.

Disclosure of Invention

The present invention is directed to a mold release device to solve the above problems.

In order to achieve the purpose, the invention provides the following technical scheme: a demoulding device comprises a workbench, an upper bracket is fixedly arranged at the top of the workbench, a lower bracket is fixedly arranged at the bottom of the workbench, the workbench is provided with a placing groove, the bottom of the placing groove is provided with a guide pipe, the guide pipe is nested at the bottom of the placing groove, a guide rod is arranged on the upper bracket in a penetrating way, a first air cylinder is arranged on one side of the guide rod, a fixing frame is arranged on the other side of the guide rod, the first cylinder and the fixing frame are both fixedly arranged at the top of the upper bracket, the outer side of the guide rod is sleeved with a limiting ring, a connecting block is arranged on one side of the limiting ring, the connecting block is fixedly arranged on the side surface of the first cylinder, a connecting plate is fixedly arranged on the guide rod and the bottom end of the first cylinder, the fixed block that is equipped with is fixed to the connecting plate bottom, the fixed mounting ring that is equipped with in fixed block side, it is equipped with the screw to run through on the mounting ring lateral wall, the mounting ring inboard is equipped with the knockout pin, the knockout pin bottom is equipped with the buffer block.

Preferably, all be equipped with the sponge layer between guide arm and upper bracket and guide arm and the spacing ring, the mount end fixing is equipped with the oil storage tank, the oil storage tank bottom is equipped with oil outlet main, be equipped with the valve on the oil outlet main, oil outlet main side is equipped with the branch pipe that produces oil, the branch pipe tip that produces oil locates inside the sponge layer.

Preferably, the buffer block is made of a silica gel material, and the buffer block is hemispherical.

Preferably, the mounting ring is provided with a mounting hole, and the radius of the mounting hole is larger than that of the ejector rod.

Preferably, the screw penetrates through the mounting ring and extends to the inside of the mounting hole, the mounting ring is in threaded connection with the screw, and the ejection rod is detachably connected with the mounting ring through the screw.

Preferably, the lower support is provided with a buffer layer and a bearing plate fixedly arranged on the side face, the buffer layer is provided with a second cylinder in a penetrating mode, the top of the second cylinder is fixedly provided with a screw rod, the screw rod is provided with a nut in a sleeved mode, and a limiting plate is arranged on the outer side of the screw rod.

Preferably, the limiting plate is provided with a sliding chute, and the screw is arranged on the inner side of the sliding chute.

Preferably, the buffer layer is made of sponge, and the cross section of the buffer layer is in a right-angled trapezoid shape.

The invention has the technical effects and advantages that:

1: when the ejector rod descends, the guide rod can form effective guide for the first air cylinder and the ejector rod at the end part of the first air cylinder, so that the ejector rod descends more stably, the ejector rod is effectively prevented from colliding with a mold, the mold is prevented from being damaged or directly damaged, the demolding quality and the integrity of the mold after demolding are effectively guaranteed, and meanwhile, compared with the prior art, the ejector rod effectively reduces the structural abrasion speed, prolongs the service life of equipment, and has higher treatment efficiency;

2: the limiting plate is arranged, so that the limiting plate is pressed on the top of the mold to fix the mold, the mold is prevented from shifting in the demolding process, the demolding effect is influenced, and the mold is prevented from deforming;

3: the setting up of oil storage tank, oil outlet main pipe and valve makes operating personnel open the valve regularly, then makes the lubricating oil in the oil storage tank flow in the sponge layer to play the lubrication action, make the sponge layer more smooth and easy at upper and lower in-process, reduce the wearing and tearing that the guide arm produced at the up-and-down motion in-process, can play rust-resistant effect of losing simultaneously.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a schematic view of the structure of part A in FIG. 1.

Fig. 3 is a schematic diagram of a connecting plate structure according to the present invention.

Fig. 4 is a schematic view of the chute structure of the present invention.

Fig. 5 is a schematic top view of the mounting ring of the present invention.

In the figure: 1 workstation, 2 upper bracket, 3 lower carriage, 4 standing grooves, 5 stand pipes, 6 guide arms, 7 first cylinder, 8 mounts, 9 spacing rings, 10 connecting blocks, 11 sponge layer, 12 oil storage tanks, 13 oil outlet header pipes, 14 valves, 15 oil outlet branch pipes, 16 connecting plates, 17 fixed blocks, 18 collar rings, 19 screws, 20 knockout rods, 21 buffer blocks, 22 buffer layers, 23 loading boards, 24 second cylinders, 25 screw rods, 26 nuts, 27 limiting plates, 28 chutes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

According to the demolding device shown in fig. 1, an upper support 2 is fixedly arranged at the top of a workbench 1, a lower support 3 is fixedly arranged at the bottom of the workbench 1, a placing groove 4 is formed in the workbench 1 and used for placing a mold, a guide pipe 5 is arranged at the bottom of the placing groove 4 and used for guiding a falling workpiece, and the guide pipe 5 is nested in the bottom of the placing groove 4.

According to the demoulding device shown in fig. 2, a guide rod 6 is arranged on an upper support 2 in a penetrating manner, a first cylinder 7 is arranged on one side of the guide rod 6, a fixing frame 8 is arranged on the other side of the guide rod 6, the first cylinder 7 and the fixing frame 8 are both fixedly arranged at the top of the upper support 2, a limiting ring 9 is sleeved on the outer side of the guide rod 6, a connecting block 10 is arranged on one side of the limiting ring 9, the connecting block 10 is fixedly arranged on the side surface of the first cylinder 7, sponge layers 11 are respectively arranged between the guide rod 6 and the upper support 2 and between the guide rod 6 and the limiting ring 9, an oil storage tank 12 is fixedly arranged at the end part of the fixing frame 8, an oil outlet main pipe 13 is arranged at the bottom of the oil storage tank 12, a valve 14 is arranged on the oil outlet main pipe 13, an oil outlet branch pipe 15 is arranged on the side surface of the oil outlet main pipe 13, the end part of the, then make the lubricating oil in the oil storage tank 12 flow into the sponge layer 11 to play the lubrication action, make the sponge layer 11 more smooth and easy at the up-and-down in-process, reduce the wearing and tearing that the guide arm 6 produced at the up-and-down motion in-process, can play rust-resistant effect of corroding simultaneously.

According to a demoulding device shown in fig. 3 and 5, the guide rod 6 and the first cylinder 7 are fixedly provided with a connecting plate 16, the bottom end of the connecting plate 16 is fixedly provided with a fixed block 17, the fixed block 17 is fixedly provided with a mounting ring 18 on the side surface, the mounting ring 18 is provided with a mounting hole, the radius of the mounting hole is larger than the radius of an ejector rod 20, a screw 19 is arranged on the side wall of the mounting ring 18 in a penetrating manner, an ejector rod 20 is arranged on the inner side of the mounting ring 18, the screw 19 penetrates through the mounting ring 18 and extends into the mounting hole, the mounting ring 18 is in threaded connection with the screw 19, the ejector rod 20 is detachably connected with the mounting ring 18 through the screw 19, a buffer block 21 is arranged at the bottom of the ejector rod 20, the buffer block 21 is made of silica gel material, the silica gel has good elasticity, and can prevent the ejector rod 20 from damaging a workpiece, the buffer, in order to make it easier for the end of the ejector rod 20 to enter the mould.

Example 2

Different from the embodiment 1, according to the demolding device shown in fig. 4, the lower bracket 3 is provided with the buffer layer 22 and the bearing plate 23 fixedly arranged on the side surface, the buffer layer 22 is made of sponge, the section of the buffer layer 22 is set to be a right trapezoid, the buffer layer 22 is provided with the second cylinder 24 in a penetrating manner, the top of the second cylinder 24 is fixedly provided with the screw 25, the screw 25 is sleeved with the nut 26, the outer side of the screw 25 is provided with the limit plate 27, the limit plate 27 is provided with the chute 28, the screw 25 is arranged on the inner side of the chute 28 so as to control the second cylinder 24 to be shortened and drive the limit plate 27 to descend, so that the limit plate 27 is pressed on the top of the mold to fix the mold, thereby preventing the mold from shifting in the demolding process and affecting the demolding effect and the deformation of the mold, and simultaneously, the nut 26 can be rotated upwards along the screw 25, then, the stopper plate 27 is moved left and right so that the end of the stopper plate 27 does not collide with the ejector rod 20 when the ejector rod 20 descends while being attached to the top of the mold.

The working principle of the invention is as follows: when the device works, a mould is placed in the placing groove 4 at the top of the workbench 1, then the second cylinder 24 is controlled to be shortened, the second cylinder 24 drives the limit plate 27 to descend, so that the limit plate 27 is pressed at the top of the mould to fix the mould, the mould is prevented from deviating in the demoulding process, the demoulding effect and the mould deformation are influenced, meanwhile, the nut 26 can rotate upwards along the screw rod 25 according to the size of the mould, then the limit plate 27 is moved leftwards and rightwards, so that the end part of the limit plate 27 is attached to the top of the mould and cannot collide with the ejector rod 20 when the ejector rod 20 descends, the nut 26 is screwed after the position of the limit plate 27 is adjusted, then the first cylinder 7 is controlled to extend, the guide rod 6 and the ejector rod 20 descend when the first cylinder 7 extends, and the guide rod 6 is effectively fixed with the first cylinder 7 through the connecting plate 16, therefore, the guide rod 6 can form effective guide for the first cylinder 7 and the ejector rod 20 at the end part of the first cylinder 7 when descending, so that the ejector rod 20 descends more stably, thereby effectively avoiding collision between the ejector rod 20 and a mold, avoiding damage or direct damage of the mold, effectively ensuring demolding quality and integrity of the mold after demolding, enabling a workpiece ejected from the mold to fall onto the buffer layer 22 with a right trapezoid cross section from the bottom of the mold, then directly sliding down from the buffer layer 22 and falling onto the bearing plate 23, enabling an operator to take down the workpiece on the bearing plate 23, then controlling the fixing frame 8 to reset, extending the second cylinder 24, then taking down an empty mold on the placing groove 4, then replacing a new mold without demolding and repeating the processes again, compared with the prior art, the invention effectively reduces the structural wear speed, prolong equipment life, higher treatment effeciency has simultaneously, oil storage tank 12, the setting of oil outlet main pipe 13 and valve 14 makes operating personnel open valve 14 regularly, then make the lubricating oil in the oil storage tank 12 flow into in the sponge layer 11, thereby play the lubrication action, make sponge layer 11 more smooth and easy at the up-and-down in-process, reduce the wearing and tearing that guide arm 6 produced at the up-and-down motion in-process, can play rust-resistant effect of corroding simultaneously.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A demolding device comprises a workbench (1), and is characterized in that: the top of the workbench (1) is fixedly provided with an upper support (2) and the bottom of the workbench is fixedly provided with a lower support (3), the workbench (1) is provided with a placing groove (4), the bottom of the placing groove (4) is provided with a guide pipe (5), the guide pipe (5) is nested at the bottom of the placing groove (4), the upper support (2) is provided with a guide rod (6) in a penetrating manner, one side of the guide rod (6) is provided with a first air cylinder (7) and the other side of the guide rod is provided with a fixing frame (8), the first air cylinder (7) and the fixing frame (8) are both fixedly arranged at the top of the upper support (2), the outer side of the guide rod (6) is sleeved with a limiting ring (9), one side of the limiting ring (9) is provided with a connecting block (10), the connecting block (10) is fixedly arranged at the side face of the first air cylinder (7), the guide, a fixed block (17) is fixedly arranged at the bottom end of the connecting plate (16), a mounting ring (18) is fixedly arranged on the side face of the fixed block (17), a screw (19) penetrates through the side wall of the mounting ring (18), an ejector rod (20) is arranged on the inner side of the mounting ring (18), and a buffer block (21) is arranged at the bottom of the ejector rod (20);

sponge layers (11) are arranged between the guide rod (6) and the upper support (2) and between the guide rod (6) and the limiting ring (9), an oil storage tank (12) is fixedly arranged at the end part of the fixing frame (8), an oil outlet main pipe (13) is arranged at the bottom of the oil storage tank (12), a valve (14) is arranged on the oil outlet main pipe (13), an oil outlet branch pipe (15) is arranged on the side surface of the oil outlet main pipe (13), and the end part of the oil outlet branch pipe (15) is arranged in the sponge layers (11);

the buffer block (21) is made of a silica gel material, and the buffer block (21) is hemispherical;

the mounting ring (18) is provided with a mounting hole, and the radius of the mounting hole is larger than that of the ejector rod (20);

the screw (19) penetrates through the mounting ring (18) and extends into the mounting hole, the mounting ring (18) is in threaded connection with the screw (19), and the ejector rod (20) is detachably connected with the mounting ring (18) through the screw (19);

the lower support (3) is provided with a buffer layer (22) and a bearing plate (23) is fixedly arranged on the side face of the lower support, a second air cylinder (24) penetrates through the buffer layer (22), the top of the second air cylinder (24) is fixedly provided with a screw rod (25), the screw rod (25) is sleeved with a nut (26), and the outer side of the screw rod (25) is provided with a limiting plate (27);

the limiting plate (27) is provided with a sliding chute (28), and the screw rod (25) is arranged on the inner side of the sliding chute (28);

the buffer layer (22) is made of sponge, and the cross section of the buffer layer (22) is of a right-angled trapezoid shape.