WO2022127031A1

WO2022127031A1 - Full-automatic rubber part demolding device

Info

Publication number: WO2022127031A1
Application number: PCT/CN2021/096045
Authority: WO
Inventors: 汤啸; 杨君平; 汤克红; 范淑贞
Original assignee: 浙江天台祥和实业股份有限公司
Priority date: 2020-12-19
Filing date: 2021-05-26
Publication date: 2022-06-23
Also published as: CN112757540B; CN112757540A

Abstract

The present invention relates to the technical field of workpiece demolding, and specifically to a full-automatic rubber part demolding device, comprising a top plate and a rotating disc. A rectangular groove is formed in the lower surface of the top plate. A horizontally-placed rotating shaft is rotatably connected in the rectangular groove, and one end of the rotating shaft is fixedly connected to an output shaft of the motor. A first bevel gear is fixedly connected to the middle of the rotating shaft. A fixed plate is provided below the middle of the rotating shaft. A vertically-placed rotating shaft is rotatably connected to the upper surface of the fixed plate, and a second bevel gear is fixedly connected to the upper end of the rotating shaft. The lower end of the rating shaft is designed to pass through the fixed plate, and a first telescopic rod is fixedly connected to the lower end of the rotating shaft. The rotating disc designed as a cylindrical structure is fixedly connected to the lower surface of the first telescopic rod, and the lower surface of the rotating disc is provided with evenly arranged suction discs. According to the present invention, a rubber part is subjected to upward pulling force while rotating around a mold core, so that the demolding difficulty of the rubber part is effectively reduced, and the mold core does not need to be taken out in advance, thereby improving the production efficiency of enterprises.

Description

A fully automatic rubber part demoulding device

technical field

The invention belongs to the technical field of workpiece demoulding, in particular to a fully automatic rubber piece demoulding device.

Background technique

Rubber refers to a highly elastic polymer material with reversible deformation, which is elastic at room temperature, can produce large deformation under the action of a small external force, and can return to its original shape after removing the external force. There are many rubber products serving us in daily life and various industries. Generally speaking, rubber products are processed by corresponding molds. After a rubber product is vulcanized at high temperature and high pressure, it is removed from the mold cavity or mold Core removal is commonly known as demoulding. After the product is opened, the product will shrink due to the cooling of the product, which will generate a large holding force on the core or pin, thus hindering the demoulding. Poor mold release is one of the important reasons for quality defects of rubber products and affecting production efficiency. It can cause defects such as distortion and tearing of parts, and some even damage the mold, which brings trouble to normal production. Appropriate demoulding device is of great significance to ensure product quality, prevent defects and improve production efficiency.

In the prior art, injection molds are often used to produce some cylindrical rubber parts. After the mold is opened, the cylindrical rubber is tightly hugged on the surface of the punch, which makes it difficult to demold the product. The traditional demolding device is ejected by setting an ejector mechanism on the mold. Product, although this method is simple, but for the newly formed rubber parts, the use of large pressing force will inevitably leave pits on the surface.

In the prior art, there are also some technical solutions about the demoulding device for rubber parts. For example, a Chinese patent with application number CN2019108379305 discloses a fully automatic demoulding device for rubber parts. The demolding device includes a machine table, a mold core The positioning seat, the sliding plate linear driving mechanism, the sliding plate, the air exhaust, the air exhaust linear driving mechanism and the product clamping and positioning mechanism are used to locate and clamp the mold core through the mold core positioning seat. Adjust the position of the product clamping and positioning mechanism through a movable sliding plate. The cylindrical rubber part is separated from the mold core by means of air blowing by means of a linearly movable air exhaust. Finally, the cylindrical rubber part is taken out from the mold core through the product clamping and positioning mechanism. However, this type of demolding device needs to take out the core plate from the mold in advance. Since the mold is generally fixed by screws and bolts and other parts, the disassembly and installation process of the core plate is relatively complicated, and it is easy to cause the loss of parts, which reduces the production efficiency of the enterprise. At the same time, the invention is only applicable to the cylindrical rubber parts connected at both ends. For the cylindrical rubber parts sealed at one end, it is difficult to inject gas between the rubber parts and the mold core, so that the rubber parts are difficult to be detached from the mold, and When the product clamping and positioning mechanism clamps the rubber parts, it is easy to scratch the rubber parts.

SUMMARY OF THE INVENTION

In order to make up for the shortcomings of the prior art, the demolding device in the prior art needs to take out the core plate from the mold in advance. Since the mold is generally fixed by screws and bolts and other parts, the disassembly and installation process of the core plate is relatively complicated, and it is easy to cause The loss of parts occurs, reducing the production efficiency of the enterprise and the difficulty of demoulding the cylindrical rubber parts sealed at one end, and the problem that the rubber parts are easily scratched when the product clamping and positioning mechanism clamps the rubber parts. Piece release device.

The technical solution adopted by the present invention to solve the technical problem is as follows: a fully automatic rubber part demoulding device according to the present invention includes a top plate and a turntable, the top plate as a whole has a rectangular structure design, and the top plate is fixed at the center of the upper surface. A guide post is connected, and the guide post is fixedly connected with the mechanical arm; one end of the top plate is provided with a placement slot, and a motor is arranged in the placement slot; a rectangular slot is opened on the lower surface of the top plate, and the rectangular slot is rotatably connected There is a horizontally placed rotating shaft, one end of the rotating shaft is fixedly connected with the output shaft of the motor; the middle part of the rotating shaft is fixedly connected with a first bevel gear; a fixing plate is arranged under the middle part of the rotating shaft, and the front and rear ends of the fixing plate are connected with the rectangular groove The inner wall is fixedly connected; the upper surface of the fixed plate is rotatably connected with a vertically placed rotating shaft, and the upper end of the rotating shaft is fixedly connected with a second bevel gear; Drive the rotating shaft to rotate; the lower end of the rotating shaft is designed to pass through the fixed plate, and the lower end of the rotating shaft is fixed with a first telescopic rod; the lower surface of the first telescopic rod is fixed with a cylindrically designed turntable, the The lower surface of the turntable is provided with evenly arranged suction cups; the two ends of the rotating shaft are respectively provided with positive thread and negative thread, both ends of the rotating shaft are sleeved with sliding rods, and the sliding rods are threadedly connected with the rotating shaft to realize the rotation of the rotating shaft The two sliding rods are driven to move towards each other or opposite to each other; the front and rear ends of the sliding rod are slidably connected with the first chute opened in the side wall of the top plate; the lower surface of the sliding rod is fixedly connected with a second telescopic rod, so The lower end of the second telescopic rod is fixedly connected with a push block with a trapezoidal cross-section, and one side of the push block relative to the turntable is designed with an inclined surface; the push block is made of hard rubber material; the push block The lower part is provided with a lower mold, and the core of the lower mold is provided with a rubber piece.

When working, after the mold is formed, the mold is opened to separate the upper mold and the lower mold. At this time, the top plate is moved to the upper part of the lower mold by the mechanical arm, and the turntable is positioned above the rubber part. At the same time, the motor is started to drive the shaft to rotate. Make the two second telescopic rods move toward each other, and then adjust the position of the second telescopic rod and the push block so that the push block is located above the two sides of the rubber piece; turn off the motor, and control the extension rods of the first telescopic rod and the second telescopic rod down When the extension rod of the first telescopic rod moves down, the turntable and the suction cup move down and are in close contact with the upper surface of the rubber piece. The rubber piece is adsorbed by the suction cup to reduce damage to the rubber piece and prevent the surface of the rubber piece from leaving dents. Pit scratches, etc., improve the quality of the rubber parts; at the same time, the second telescopic rod drives the push block to move down to contact the surface of the lower mold. At this time, start the motor again, the motor drives the shaft to rotate, and passes the first bevel gear and the second bevel gear. The mutual engagement drives the rotating shaft and the first telescopic rod to rotate, and the rotation of the rotating shaft and the first telescopic rod drives the rotation of the turntable and the suction cup, so that the suction cup drives the rubber piece to rotate; at the same time, the rotation of the rotating shaft drives the two sliding rods to move toward each other, thereby driving the second Both the telescopic rod and the push block move in the direction close to the rubber piece. The push block is squeezed into the gap between the rubber piece and the lower die relative to the bottom of the side of the rubber piece, so that the rubber piece is separated from the lower die. Since the push block is hard It is made of rubber material, which can reduce the scratch and damage to the lower mold; at the same time, the suction cup drives the rubber piece to rotate and controls the extension rods of the first telescopic rod and the second telescopic rod to move up, so that the rubber piece rotates around the core. At the same time, it is subjected to upward pulling force, which effectively reduces the difficulty of demolding the rubber parts through multi-directional stress, preventing the rubber parts from cooling to produce centripetal shrinkage after the mold is opened, resulting in a large clamping force on the core , thus hindering demoulding; and the push block can hold the rubber part to prevent the rubber part from falling off; at the same time, the rubber part can be rotated around the core to grind the inner surface of the rubber part to prevent the formation of barb burrs when the rubber part is demolded, so as to The quality of the rubber parts is improved; and the invention does not need to take out the core in advance, reduces the working time due to the installation and disassembly of the mold, and thus improves the production efficiency of the enterprise.

Preferably, the lower surface of the turntable is provided with evenly arranged second chutes along the radial direction of the turntable, and connecting rods with an "'S" shape are slidably connected to the second chutes, and the connecting rods are far away from the turntable. A suction cup is fixedly connected to one end; a third telescopic rod is arranged between the suction cup and the inner wall of the second chute; when working, when encountering a rubber piece with a larger size, the telescopic movement of the third telescopic rod can be controlled by controlling the telescopic movement Control the position of the suction cup, and then control the size of the rubber piece adsorbed by the suction cup, to prevent the suction effect of the suction cup on the rubber piece from being reduced due to the large size of the rubber piece, thereby improving the practicability and use range of the device; The position of the suction cup of the rubber piece can be adjusted so that the suction cup is adsorbed on the edge of the rubber piece, so that the present invention can be applied to the rapid demoulding of various rubber pieces, and further improves the practicability and application range of the present invention.

Preferably, the surfaces of the front and rear ends of the sliding rod are rotatably connected with evenly arranged balls; during operation, the front and rear ends of the sliding rod are slidably connected to the inner wall of the first chute, and the balls can slide the sliding rod and the first chute. The friction is converted into rolling friction, thereby reducing the frictional resistance between the sliding rod and the first chute, making the sliding rod slide more smoothly in the first sliding groove, reducing the friction damage to the sliding rod, and effectively improving the use of the sliding rod longevity and operating efficiency of the device.

Preferably, the push block is provided with uniformly arranged first micro-holes on one side surface of the push block relative to the rubber piece, and a first airbag is provided inside one side of the push block relative to the rubber piece. The block is arranged obliquely with respect to one side of the rubber piece; the first air bag is communicated with the first micro-hole; during operation, the rotation of the rotating shaft drives the second telescopic rod and the push block to move in the direction close to the rubber piece, and the push block is relative to the rubber piece. The bottom of one side of the piece is squeezed into the gap between the rubber piece and the lower die, thereby accelerating the separation speed of the rubber piece and the lower die. , the gas inside the first air bag is compressed and ejected through the first micro-holes; on the one hand, part of the gas ejected from the first micro-holes can enter the gap between the rubber piece and the mold core, so that the rubber piece expands outward, effectively Reduce the adhesion between the mold core and the rubber part, and further accelerate the separation of the rubber part and the mold core; More impurities are deposited on the surface of the lower mold, which in turn affects the machining accuracy of the mold.

Preferably, a first sliding groove with an "L" shape is opened inside the side of the push block away from the rubber piece, and a first sliding block is slidably connected to the vertical part of the first sliding groove. One end of the block protrudes from the first sliding groove, and a spring is fixed between the other end and the inner wall of the first sliding groove; the horizontal part of the first sliding groove extends to the side of the first air bag, and the horizontal part of the first sliding groove A second sliding block is slidably connected in the part; during operation, due to the weaker squeezing effect of the rubber with the thinner inner wall on the first airbag, the second telescopic rod drives the push block to contact the surface of the lower mold, so that the first sliding block moves upward. Sliding, the first slider moves up to compress the gas in the space above the first slider, and then pushes the second slider to move in the direction close to the first air bag, the first air bag is squeezed by the second slider to increase the first micropore The strength of the inner gas ejection further accelerates the separation of the rubber part and the mold core, and at the same time improves the cleaning effect of the ejected gas on the surface of the lower mold; It moves downward under the action of elastic force, thereby driving the second sliding block and the first air bag to return to their original state, so as to facilitate the demoulding of the rubber piece again.

Preferably, a second sliding groove is provided below the first sliding groove, a sliding block is slidably connected in the second sliding groove, a gear is provided between the sliding block and the first sliding block, and the sliding block and the first sliding block are provided with a gear. One side of the first sliding block opposite to the gear is provided with tooth patterns, and the tooth patterns are meshed with the gear; a second airbag is arranged under the sliding block, and the front and rear sides of the push block are provided with uniformly arranged airbags. The second micro-hole, the second micro-hole communicates with the second air bag; during operation, due to the limited position range of the first micro-hole, when the first slider moves up, the gear is driven to rotate, and the gear rotates to drive the slider to move down. When the sliding block moves down, it squeezes the second air bag to eject gas from the second micro-hole, thereby effectively improving the cleaning range of the lower mold and further improving the cleaning effect of the lower mold; at the same time, when the first slider moves down, it can The sliding block is moved up by the rotation of the gear, so that the sliding block and the second air bag are restored to the initial state, thereby improving the movement coordination of the device.

The beneficial effects of the present invention are as follows:

1. A fully automatic rubber piece demoulding device according to the present invention, by setting a turntable, the suction cup drives the rubber piece to rotate and controls the extension rods of the first telescopic rod and the second telescopic rod to move upward, so that the rubber piece surrounds the core. While doing the rotating movement, it is also subjected to upward pulling force, which effectively reduces the difficulty of demolding the rubber parts through multi-directional stress, and prevents the rubber parts from cooling and causing centripetal shrinkage on the core after the mold is opened. Holding force, thus hindering demoulding; and the push block can support the rubber parts to prevent the rubber parts from falling off; at the same time, the rubber parts rotate around the core to grind the inner surface of the rubber parts to prevent the formation of barb burrs when the rubber parts are demolded. etc., thereby improving the quality of the rubber parts; and the present invention does not need to take out the core in advance, reduces the working time due to the installation and disassembly of the mold, and thus improves the production efficiency of the enterprise.

2. A fully automatic rubber part demoulding device according to the present invention, by setting the first air bag, when the bottom of the push block is squeezed into the gap between the rubber part and the lower mold, the first air bag is squeezed, and the first air bag is squeezed. The gas inside is compressed and ejected through the first micro-holes; on the one hand, part of the gas ejected from the first micro-holes can enter the gap between the rubber part and the mold core, so that the rubber part expands outward, effectively reducing the mold core. The adhesion between the rubber part and the rubber part further accelerates the separation of the rubber part and the mold core; on the other hand, the gas ejected from the first micro-hole can clean the surface of the lower mold, preventing the deposition of dust and impurities in the workshop On the surface of the lower mold, which in turn affects the machining accuracy of the mold.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings.

Fig. 1 is the perspective view of the present invention;

Figure 2 is a perspective view of a turntable;

Figure 3 is a sectional view of a push block;

In the figure: top plate 1, guide post 11, placement slot 12, motor 13, rectangular slot 14, rotating shaft 15, first bevel gear 16, fixed plate 17, rotating shaft 18, second bevel gear 19, turntable 2, first telescopic Rod 21, suction cup 22, second chute 23, connecting rod 24, third telescopic rod 25, sliding rod 3, first chute 31, second telescopic rod 32, push block 33, ball 34, first micro hole 35 , the first air bag 36, the lower mold 4, the rubber piece 41, the first sliding groove 5, the first sliding block 51, the spring 52, the second sliding block 53, the second sliding groove 54, the sliding block 55, the gear 56, the second sliding block Airbag 57 , second micropore 58 .

Detailed ways

In order to make it easy to understand the technical means, creation features, achieved goals and effects of the present invention, the present invention will be further described below with reference to the specific embodiments.

As shown in FIGS. 1 to 3 , a fully automatic rubber part demoulding device according to the present invention includes a top plate 1 and a turntable 2 . A guide post 11 is connected, and the guide post 11 is fixedly connected with the mechanical arm; one end of the top plate 1 is provided with a placement slot 12, and the placement slot 12 is provided with a motor 13; the lower surface of the top plate 1 is provided with a rectangular slot 14. , a horizontally placed rotating shaft 15 is rotatably connected in the rectangular groove 14, and one end of the rotating shaft 15 is fixedly connected with the output shaft of the motor 13; the middle of the rotating shaft 15 is fixedly connected with a first bevel gear 16; A fixed plate 17 is provided, and the front and rear ends of the fixed plate 17 are fixedly connected with the inner wall of the rectangular slot 14; the upper surface of the fixed plate 17 is rotatably connected with a vertically placed rotating shaft 18, and the upper end of the rotating shaft 18 is fixedly connected with a first Two bevel gears 19; the first bevel gear 16 meshes with the second bevel gear 19, so that when the rotating shaft 15 rotates, the rotating shaft 18 is driven to rotate; the lower end of the rotating shaft 18 is designed to pass through the fixed plate 17, and the rotating shaft 18 A first telescopic rod 21 is fixedly connected to the lower end; the lower surface of the first telescopic rod 21 is fixedly connected with a turntable 2 designed with a cylindrical structure, and the lower surface of the turntable 2 is provided with evenly arranged suction cups 22 ; the two ends of the rotating shaft 15 A positive thread and a negative thread are respectively provided, and both ends of the rotating shaft 15 are sleeved with sliding rods 3, and the sliding rods 3 are threadedly connected with the rotating shaft 15, so that when the rotating shaft 15 rotates, the two sliding rods 3 are driven to face or face each other. The front and rear ends of the sliding rod 3 are slidably connected with the first chute 31 opened in the side wall of the top plate 1; the lower surface of the sliding rod 3 is fixedly connected with a second telescopic rod 32, The lower end of the rod 32 is fixedly connected with a push block 33 with a trapezoidal design, and the side surface of the push block 33 relative to the turntable 2 is designed as a slope; the push block 33 is made of hard rubber material; the push block 33 is made of hard rubber material; A lower mold 4 is provided below the block 33 , and a rubber piece 41 is provided on the core of the lower mold 4 .

When working, after the mold is formed, the mold is opened to separate the upper mold and the lower mold 4. At this time, the top plate 1 is moved to the top of the lower mold 4 by the mechanical arm, and the turntable 2 is located above the rubber piece 41. At the same time, start the motor 13 , the rotation of the shaft 15 is driven by the motor 13 to make the two second telescopic rods 32 move toward each other, and then the positions of the second telescopic rod 32 and the push block 33 are adjusted so that the push block 33 is located above both sides of the rubber piece 41; The extension rods of the first telescopic rod 21 and the second telescopic rod 32 move down, and the extension rods of the first telescopic rod 21 move down to drive the turntable 2 and the suction cup 22 to move down and make close contact with the upper surface of the rubber piece 41, and the suction cup 22 Adsorbing the rubber piece 41 can reduce damage to the rubber piece 41, prevent pits and scratches on the surface of the rubber piece 41, and improve the quality of the rubber piece 41; at the same time, the second telescopic rod 32 drives the push block 33 to move down and down The surface of the mold 4 is in contact. At this time, the motor 13 is started again. The motor 13 drives the rotating shaft 15 to rotate, and the first bevel gear 16 and the second bevel gear 19 are meshed with each other to drive the rotating shaft 18 and the first telescopic rod 21 to rotate. The rotating shaft 18 Rotating with the first telescopic rod 21 also drives the turntable 2 and the suction cup 22 to rotate, so that the suction cup 22 drives the rubber piece 41 to rotate; at the same time, the rotation of the rotating shaft 15 drives the two sliding rods 3 to move toward each other, thereby driving the second telescopic rod 32 and the push block 33 They all move in the direction close to the rubber piece 41, and the push block 33 squeezes into the gap between the rubber piece 41 and the lower die 4 relative to the bottom of the side of the rubber piece 41, so that the rubber piece 41 is separated from the lower die 4. Since the push block 33 It is made of hard rubber material, which can reduce the scratch and damage to the lower mold 4; at the same time, the suction cup 22 drives the rubber piece 41 to rotate and controls the extension rods of the first telescopic rod 21 and the second telescopic rod 32 to move upward, so that the While the rubber piece 41 rotates around the core, it is also subjected to an upward pulling force, which effectively reduces the difficulty of demolding the rubber piece 41 through multi-directional stress, preventing the rubber piece 41 from shrinking concentrically due to cooling after the mold is opened. A large holding force is generated on the core, thereby hindering demoulding; and the push block 33 can hold the rubber piece 41 to prevent the rubber piece 41 from falling off; at the same time, the rubber piece 41 rotates around the core to prevent the inner surface of the rubber piece 41 from falling off. Grinding is performed to prevent the formation of barb burrs and the like when the rubber piece 41 is demolded, thereby improving the quality of the rubber piece 41; and the present invention does not need to take out the core in advance, reduces the working time caused by the installation and disassembly of the mold, thereby improving the enterprise's productivity. Productivity.

As an embodiment of the present invention, the lower surface of the turntable 2 is provided with uniformly arranged second chute 23 along the radial direction of the turntable 2, and the second chute 23 is slidably connected with an "'S" shape design. The connecting rod 24, the end of the connecting rod 24 away from the turntable 2 is fixed with a suction cup 22; a third telescopic rod 25 is arranged between the suction cup 22 and the inner wall of the second chute 23; When the size of the rubber piece 41 is larger, the position of the suction cup 22 can be controlled by controlling the telescopic movement of the third telescopic rod 25, thereby controlling the size of the rubber piece 41 adsorbed by the suction cup 22, preventing the reduction of the pair of suction cups 22 due to the large size of the rubber piece 41. The adsorption effect of the rubber piece 41 improves the practicability and use range of the device; and the position of the suction cup 22 can be adjusted for the cylindrical rubber piece 41 connected at both ends, so that the suction cup 22 is adsorbed on the edge of the rubber piece 41, so that the present invention is applicable For the rapid demoulding of various rubber parts 41, the practicability and application range of the present invention are further improved.

As an embodiment of the present invention, the surfaces of the front and rear ends of the sliding rod 3 are rotatably connected with balls 34 that are evenly arranged; during operation, the front and rear ends of the sliding rod 3 are slidably connected to the inner wall of the first chute 31, and the balls 34 can The sliding friction between the sliding rod 3 and the first sliding groove 31 is converted into rolling friction, thereby reducing the frictional resistance between the sliding rod 3 and the first sliding groove 31 , so that the sliding rod 3 slides in the first sliding groove 31 more easily. Smooth and reduce friction damage to the sliding rod 3, thereby effectively improving the service life of the sliding rod 3 and the operation efficiency of the device.

As an embodiment of the present invention, the first micro-holes 35 are evenly arranged on one side surface of the push block 33 relative to the rubber member 41 , and the inside of the push block 33 relative to the rubber member 41 is provided with The first air bag 36, the first air bag 36 is inclined along the inclined plane of the push block 33 relative to the rubber piece 41; the first air bag 36 communicates with the first micro-hole 35; during operation, the rotating shaft 15 rotates to drive the second air bag 36. The telescopic rod 32 and the push block 33 move towards the direction close to the rubber piece 41, and the push block 33 squeezes into the gap between the rubber piece 41 and the lower die 4 relative to the bottom of the rubber piece 41, thereby accelerating the rubber piece 41 and the lower die At the same time, the bottom of the push block 33 is squeezed into the gap between the rubber piece 41 and the lower die 4, so that the first air bag 36 is squeezed, and the gas inside the first air bag 36 is compressed and ejected through the first micro-hole 35; On the one hand, part of the gas ejected from the first micro-holes 35 can enter the gap between the rubber piece 41 and the mold core, so that the rubber piece 41 expands outward, effectively reducing the adhesion between the mold core and the rubber piece 41 , to further accelerate the separation of the rubber piece 41 and the mold core; on the other hand, the gas ejected from the first micro-hole 35 can clean the surface of the lower mold 4 to prevent the dust and impurities in the workshop from being deposited on the surface of the lower mold 4, and then Affect the machining accuracy of the mold.

As an embodiment of the present invention, a first sliding groove 5 with an “L” shape is opened inside the side of the push block 33 away from the rubber member 41 , and the vertical part of the first sliding groove 5 is slidably connected with a The first sliding block 51, one end of the first sliding block 51 is designed to protrude from the first sliding groove 5, and a spring 52 is fixedly connected between the other end and the inner wall of the first sliding groove 5; the horizontal part of the first sliding groove 5 Extending to the side of the first air bag 36, a second sliding block 53 is slidably connected in the horizontal part of the first sliding groove 5; during operation, the squeezing effect of the first air bag 36 due to the thinner inner wall of the rubber piece 41 is relatively low. Weak, the second telescopic rod 32 drives the push block 33 to contact the surface of the lower mold 4 so that the first sliding block 51 slides upward, the first sliding block 51 moves upward to compress the gas in the space above the first sliding block 51, and then pushes the second sliding block 51. The block 53 moves in the direction close to the first air bag 36, and the first air bag 36 is squeezed by the second slider 53, which can increase the force of gas ejection in the first micro-hole 35, and further accelerate the separation of the rubber piece 41 from the mold core. At the same time, the cleaning effect of the ejected gas on the surface of the lower mold 4 is improved; when the rubber piece 41 is demolded, the push block 33 moves up, and the first slider 51 moves downward under the elastic force of the spring 52, thereby driving the second slider The block 53 and the first air bag 36 are restored to their original state, which facilitates the demolding of the rubber piece 41 again.

As an embodiment of the present invention, a second sliding groove 54 is provided below the first sliding groove 5, and a sliding block 55 is slidably connected in the second sliding groove 54, and the sliding block 55 and the first sliding block are slidably connected. There is a gear 56 between the 51, the sliding block 55 and the first sliding block 51 are provided with tooth patterns on one side of the gear 56, and the tooth patterns are meshed with the gear 56; the sliding block 55 is provided with For the second air bag 57, the front and rear sides of the push block 33 are provided with second micro-holes 58 evenly arranged, and the second micro-holes 58 communicate with the second air bag 57; When the first slider 51 moves up, it drives the gear 56 to rotate, the gear 56 rotates and then drives the slider 55 to move down, and the slider 55 moves down to squeeze the second air bag 57 to be ejected from the second micro-hole 58 air, thereby effectively improving the cleaning range of the lower mold 4 and further improving the cleaning effect of the lower mold 4; at the same time, when the first sliding block 51 moves down, the sliding block 55 can be moved upward through the rotation of the gear 56, so that the sliding block 55 and the The second air bag 57 is restored to the original state, thereby improving the movement coordination of the device.

The concrete work flow of the present invention is as follows:

When working, when the mold is formed, the mold is opened to separate the upper mold and the lower mold 4. At this time, the top plate 1 is moved to the top of the lower mold 4 by the mechanical arm, and the turntable 2 is located above the rubber piece 41. At the same time, start the motor 13 , the rotation of the shaft 15 is driven by the motor 13 to make the two second telescopic rods 32 move toward each other, and then the positions of the second telescopic rod 32 and the push block 33 are adjusted so that the push block 33 is located above both sides of the rubber piece 41; The extension rods of the first telescopic rod 21 and the second telescopic rod 32 move down, and the extension rods of the first telescopic rod 21 move down to drive the turntable 2 and the suction cup 22 to move down and make close contact with the upper surface of the rubber piece 41, and the suction cup 22 Adsorbing the rubber piece 41 can reduce damage to the rubber piece 41, prevent pits and scratches on the surface of the rubber piece 41, and improve the quality of the rubber piece 41; in addition, the suction cup can be controlled by controlling the telescopic movement of the third telescopic rod 25 22 position, and then control the size of the rubber piece 41 adsorbed by the suction cup 22, and the position of the suction cup 22 can be adjusted for the cylindrical rubber piece 41 connected at both ends so that the suction cup 22 is adsorbed on the edge of the rubber piece 41, so that the present invention can be applied to The rapid demoulding of various rubber parts 41 improves the practicability and use range of the device; at the same time, the second telescopic rod 32 drives the push block 33 to move down to contact the surface of the lower mold 4, and the motor 13 is started again at this time, and the motor 13 drives The rotating shaft 15 rotates, and through the mutual meshing of the first bevel gear 16 and the second bevel gear 19, the rotating shaft 18 and the first telescopic rod 21 are driven to rotate, and the rotating shaft 18 and the first telescopic rod 21 rotate and drive the turntable 2 and the suction cup 22 to rotate, Then, the suction cup 22 drives the rubber piece 41 to rotate; at the same time, the rotation of the rotating shaft 15 drives the two slide bars 3 to move toward each other, and the ball 34 can convert the sliding friction between the slide bar 3 and the first chute 31 into rolling friction, reducing the slide bar 3 The frictional resistance with the first chute 31 makes the sliding rod 3 slide more smoothly in the first chute 31, reducing the friction damage to the sliding rod 3, thereby effectively improving the service life of the sliding rod 3 and the operation of the device Efficiency; the sliding of the slider drives the second telescopic rod 32 and the push block 33 to move in the direction close to the rubber piece 41, and the push block 33 is squeezed into the gap between the rubber piece 41 and the lower die 4 relative to the bottom of the rubber piece 41. , so that the rubber piece 41 is separated from the lower die 4. Since the push block 33 is made of hard rubber material, the scratch and damage to the lower die 4 can be reduced; at the same time, the suction cup 22 drives the rubber piece 41 to rotate and controls the first telescopic rod 21 and the extension rods of the second telescopic rod 32 move up, so that the rubber piece 41 rotates around the core while being subjected to upward pulling force. After the mold is opened, the rubber piece 41 is concentrically contracted due to cooling, which generates a large holding force on the core, thereby hindering demolding; and the push block 33 can support the rubber piece 41 to prevent the rubber piece 41 from falling off; The inner surface of the rubber piece 41 can be polished by rotating the piece 41 around the core, preventing the formation of barb burrs and the like when the rubber piece 41 is demolded, thereby improving the performance of the rubber piece 41. 1 quality; and the present invention does not need to take out the core in advance, which reduces the working time caused by the installation and disassembly of the mold, thereby improving the production efficiency of the enterprise.

At the same time, after the bottom of the push block 33 is squeezed into the gap between the rubber piece 41 and the lower die 4, the first air bag 36 is squeezed, and the gas inside the first air bag 36 is compressed and ejected through the first micro-holes 35; The gas ejected from the first micro-hole 35 can enter the gap between the rubber piece 41 and the mold core, so that the rubber piece 41 expands outward, effectively reducing the adhesion between the mold core and the rubber piece 41, and further accelerating the rubber On the other hand, the gas ejected from the first micro-holes 35 can clean the surface of the lower mold 4 to prevent the dust and impurities in the workshop from depositing on the surface of the lower mold 4, thereby affecting the processing of the mold At the same time, because the rubber member 41 with the thinner inner wall has a weaker squeezing effect on the first airbag 36, the second telescopic rod 32 drives the push block 33 to contact the surface of the lower mold 4 so that the first slider 51 slides upward, and the first sliding block 51 slides upward. The sliding block 51 moves upward to compress the gas in the space above the first sliding block 51 , and then pushes the second sliding block 53 to move toward the direction close to the first air bag 36 , and the first air bag 36 is squeezed by the second sliding block 53 to increase the The strength of the gas ejection in the micro-hole 35 further accelerates the separation of the rubber piece 41 and the mold core, and improves the cleaning effect of the ejected gas on the surface of the lower mold 4; When the first sliding block 51 moves up, the gear 56 is driven to rotate, the gear 56 rotates and then drives the sliding block 55 to move down, and the sliding block 55 moves down to squeeze the second air bag 57 to eject gas from the second micro-hole 58, thereby effectively improving the The cleaning range of the lower mold 4 further improves the cleaning effect of the lower mold 4; at the same time, when the rubber piece 41 is demolded, the push block 33 moves up, and the first slider 51 moves down under the elastic force of the spring 52, and then The second sliding block 53 and the first air bag 36 are driven to return to their original state, which facilitates the demoulding of the rubber piece 41 again; and when the first sliding block 51 moves down, the sliding block 55 can be moved upward through the rotation of the gear 56, so that the sliding block 55 and the second air bag 57 to restore the initial state, thereby improving the movement coordination of the device.

The foregoing has shown and described the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments, and the descriptions in the above-mentioned embodiments and the description are only to illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have Various changes and modifications fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims

A fully automatic rubber piece demoulding device, characterized in that it comprises a top plate (1) and a turntable (2), the top plate (1) is of a rectangular structure design as a whole, and the top plate (1) is fixedly connected at the center of the upper surface of the top plate (1). A column (11), the guide column (11) is fixedly connected with the mechanical arm; a placement slot (12) is formed inside one end of the top plate (1), and a motor (13) is arranged in the placement slot (12); A rectangular groove (14) is formed on the lower surface of the top plate (1), and a horizontally placed rotating shaft (15) is rotatably connected in the rectangular groove (14), and one end of the rotating shaft (15) is fixed to the output shaft of the motor (13). A first bevel gear (16) is fixedly connected to the middle of the rotating shaft (15); a fixing plate (17) is arranged under the middle of the rotating shaft (15), and the front and rear ends of the fixing plate (17) are connected to the rectangular groove ( 14) The inner wall is fixedly connected; the upper surface of the fixing plate (17) is rotatably connected with a vertically placed rotating shaft (18), and the upper end of the rotating shaft (18) is fixedly connected with a second bevel gear (19); A bevel gear (16) meshes with the second bevel gear (19), so that when the rotating shaft (15) rotates, the rotating shaft (18) is driven to rotate; the lower end of the rotating shaft (18) is designed to pass through the fixing plate (17), and the A first telescopic rod (21) is fixedly connected to the lower end of the rotating shaft (18); There are evenly arranged suction cups (22); both ends of the rotating shaft (15) are respectively provided with positive thread and reverse thread, and both ends of the rotating shaft (15) are sleeved with sliding rods (3). The rod (3) is threadedly connected with the rotating shaft (15), so that when the rotating shaft (15) rotates, the two sliding rods (3) are driven to move toward or away from each other; the front and rear ends of the sliding rod (3) are connected to the top plate (1) side. The first sliding groove (31) provided in the wall is slidably connected; the lower surface of the sliding rod (3) is fixedly connected with a second telescopic rod (32), and the lower end of the second telescopic rod (32) is fixedly connected with a cross section The push block (33) is a trapezoidal design, and the side surface of the push block (33) relative to the turntable (2) is designed with an inclined plane; the push block (33) is made of hard rubber material; the push block (33) is made of hard rubber material; A lower mould (4) is arranged below the block (33), and a rubber piece (41) is arranged on the core of the lower mould (4).
A fully automatic rubber part demoulding device according to claim 1, characterized in that the lower surface of the turntable (2) is provided with a second chute (23) that is evenly arranged along the radial direction of the turntable (2), The second chute (23) is slidably connected with a connecting rod (24) with an "'S" shape, and a suction cup (22) is fixedly connected to one end of the connecting rod (24) away from the turntable (2); A third telescopic rod (25) is arranged between the suction cup (22) and the inner wall of the second chute (23).
The fully automatic rubber part demoulding device according to claim 1, characterized in that: the surfaces of the front and rear ends of the sliding rod (3) are rotatably connected with uniformly arranged balls (34).
The fully automatic rubber piece demoulding device according to claim 1, wherein the push block (33) is provided with uniformly arranged first micro-holes (35) on one side surface of the push block (33) relative to the rubber piece (41). ), a first airbag (36) is provided inside one side of the push block (33) relative to the rubber piece (41), and the first airbag (36) is opposite to the rubber piece (41) along the push block (33) The inclined plane on one side of the airbag is arranged obliquely; the first air bag (36) is communicated with the first micro-hole (35).
A fully automatic rubber piece demoulding device according to claim 4, characterized in that: a first sliding groove with an "L" shape is opened inside the side of the push block (33) away from the rubber piece (41). (5), the vertical part of the first sliding groove (5) is slidably connected with a first sliding block (51), one end of the first sliding block (51) is designed to protrude from the first sliding groove (5), and the other A spring (52) is fixedly connected between one end and the inner wall of the first sliding groove (5); the horizontal part of the first sliding groove (5) extends to the side of the first air bag (36), and the first sliding groove ( A second sliding block (53) is slidably connected in the horizontal part of 5).
A fully automatic rubber part demoulding device according to claim 5, characterized in that: a second sliding groove (54) is provided below the first sliding groove (5), and the second sliding groove (54) A sliding block (55) is slidably connected inside, a gear (56) is arranged between the sliding block (55) and the first sliding block (51), and the sliding block (55) is opposite to the first sliding block (51). A tooth pattern is arranged on one side of the gear (56), and the tooth pattern meshes with the gear (56); a second airbag (57) is arranged under the sliding block (55), and the push block (33) Evenly arranged second micro-holes (58) are opened on the side surfaces of the front and rear sides, and the second micro-holes (58) communicate with the second airbag (57).