Automatic demolding device for silicone rubber part demolding

Abstract

The utility model discloses an automatic demoulding device for demoulding a silicone rubber piece, which comprises an upper demoulding box, the upper end of the upper demoulding box is fixedly connected with a butt joint plate, the upper end of the butt joint plate is fixedly connected with a cylinder, the cylinder penetrates through the upper demoulding box, and the top of the silicone rubber piece is clamped with a limiting thread arranged on a film forming plate, so that the silicone rubber piece is automatically demoulded. The electric telescopic rod is started, so that position adjustment of a limiting bolt at the top end of the electric telescopic rod is completed, the lower end of the silicon rubber part and the surface of the limiting bolt are limited and clamped, a limiting plate slides to drive a sliding block at the lower end of the limiting plate to slide, and a fastening bolt is rotated at the moment when the sliding block slides to a proper position. And meanwhile, by adjusting the length of the adjusting bolt, the upper clamping ring at the top end of the adjusting bolt can be clamped to the surface of the silicone rubber part more closely, so that the stability of the silicone rubber part in the demolding period is guaranteed, and the quality of the silicone rubber part obtained after demolding is completed is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of demoulding of silicone rubber parts, in particular to an automatic demoulding device for silicone rubber parts. Background Art

[0002] Silicone rubber refers to a rubber whose backbone consists of alternating silicon and oxygen atoms, with two organic groups typically attached to the silicon atoms. Ordinary silicone rubber is primarily composed of siloxane chains containing methyl groups and a small amount of vinyl groups. The introduction of phenyl groups improves silicone rubber's resistance to high and low temperatures, while the introduction of trifluoropropyl and cyano groups enhances its heat and oil resistance. Silicone rubber has excellent air permeability, with the highest oxygen permeability among synthetic polymers. Furthermore, silicone rubber is physiologically inert and does not induce blood clotting, which is why it is widely used in the medical field.

[0003] The existing authorization announcement number is CN219114701U, which discloses a demolding device for silicone rubber parts. The side of the silicone rubber part is provided with a demolding side edge, and the demolding device is arranged inside the mold. The mold includes an upper mold and a lower mold. Side edge grooves are provided on both sides of the mold groove in the middle of the lower mold surface. A demolding flow channel is provided outward from the middle of the side edge groove. A support column is provided above the demolding flow channel. The support column is connected to the lower surface of the upper mold. An edge groove is provided above the side edge groove. The edge grooves are arranged on both sides of the pressure mold of the upper mold.

[0004] The above-mentioned device ensures the integrity and unity of the silicone rubber part by directly pulling the support column out when the upper mold is lifted after injection molding, and there will be no parting line on the surface. However, since the sizes of different silicone rubbers are inconsistent, when performing the demolding work, it is necessary to first prioritize its stability to achieve a better demolding effect. However, the above-mentioned device does not have a certain limiting mechanism. For this reason, we propose an automatic demolding device for silicone rubber parts. Utility Model Content

[0005] The purpose of the present utility model is to provide an automatic demolding device for silicone rubber parts to solve the problem raised in the above background technology that since the sizes of different silicone rubbers are inconsistent, it is necessary to first ensure their stability during demolding to achieve a better demolding effect, but the above device does not have a certain limiting mechanism.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic demolding device for silicone rubber parts, comprising an upper demolding box, the upper end of the upper demolding box is fixedly connected to a docking plate, the upper end of the docking plate is fixedly connected to a cylinder, the upper end of the docking plate is fixedly connected to a companion rod, the cylinder passes through the upper demolding box, the output end of the cylinder is fixedly connected to a push rod, the end of the push rod away from the cylinder is fixedly connected to a pressure plate, and the end of the pressure plate away from the push rod is fixedly connected to a film forming plate.

[0007] As a further preferred embodiment of the present technical solution, a limiting thread is provided on the inner wall of the film forming plate, the inner wall of the film forming plate is slidably connected to the limiting plate, an adjusting bolt is fixedly connected to the front of the limiting plate, and an upper retaining ring is fixedly connected to the end of the adjusting bolt away from the film forming plate.

[0008] As a further preferred embodiment of the present technical solution, the surface of the upper retaining ring is rotatably connected to a movable column, and the end of the movable column away from the upper retaining ring is fixedly connected to a lower retaining ring. The number of the adjusting bolts is set to two, and the two adjusting bolts are symmetrically arranged about the center of the film forming plate.

[0009] As a further preferred embodiment of the present technical solution, a sliding groove is provided on the inner wall of the upper demolding box, and a slider is slidably connected to the bottom end of the inner wall of the sliding groove. The end of the slider away from the sliding groove is fixedly connected to a limiting plate, and the surface of the limiting plate is fixedly connected to a connecting plate, and the upper end of the connecting plate is rotatably connected to a fastening bolt.

[0010] As a further preferred embodiment of the present technical solution, the lower end of the upper demoulding box is fixedly connected to a telescopic column, the end of the telescopic column away from the upper demoulding box is fixedly connected to the lower demoulding box, and an expansion opening is provided on the front of the lower demoulding box. The number of the telescopic columns is set to several, and the several telescopic columns are fixedly connected to the four sides of the upper end of the lower demoulding box.

[0011] As a further preferred embodiment of the present technical solution, the inner wall of the lower demoulding box is fixedly connected with a docking block, the inner wall of the docking block is fixedly connected with an electric telescopic rod, the end of the electric telescopic rod away from the docking block is fixedly connected with a limiting bolt, the number of the electric telescopic rods is set to two, and the two electric telescopic rods are symmetrically arranged about the center of the lower demoulding box.

[0012] As a further preferred embodiment of the present technical solution, a grab block is fixedly connected to the front of the docking card block, and the grab block is located directly in front of the deployment opening; a fixed block is fixedly connected to the inner wall of the lower demolding box, and the surface of the fixed block is fixedly connected to the surface of the docking card block, and the fixed block is located directly in front of the docking card block.

[0013] The utility model provides an automatic demoulding device for silicone rubber parts, which has the following beneficial effects:

[0014] (1) The utility model achieves the goal of clamping the top of the silicone rubber part with the limiting thread provided on the film forming plate, and at the same time, by starting the electric telescopic rod inside the docking block, the position adjustment of the limiting bolt at the top of the electric telescopic rod is completed, thereby making the lower end of the silicone rubber part and the surface of the limiting bolt complete the limiting clamping connection. At the same time, since a slide groove is provided inside the upper demoulding box, the limiting plate can be slid by the sliding limit plate, so that the slider at its lower end can be driven to slide, and the belt slides to a suitable position. At this time, the fastening bolt is rotated to complete the limiting fixation of the connecting plate. At the same time, by adjusting the length of the adjusting bolt, the upper clamping ring at its top can be clamped more closely with the surface of the silicone rubber part, thereby ensuring its stability during demoulding to the greatest extent, thereby improving the quality of the silicone rubber part after demoulding.

[0015] (2) The utility model starts the cylinder, which drives the accompanying rod and the push rod at its output end to move up and down repeatedly, thereby pushing the pressure plate below the push rod. Since the lower end of the pressure plate is fixedly connected to the film forming plate, the film forming plate will continue to move downward, so that the silicone rubber parts inside it will contact the lower demoulding box, thereby completing the demoulding work, and finally opening the expansion port, so that the grab block can be used to grab the docking card block, thus completing the final demoulding work, which can effectively improve the quality of the silicone rubber parts obtained and improve the demoulding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic cross-sectional view of the overall structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the internal structure of the upper demoulding box of the utility model;

[0019] Figure 4 This is a schematic diagram of the internal structure of the lower demoulding box of the utility model;

[0020] Figure 5 This is a schematic diagram of the structure of the connecting plate of the utility model;

[0021] Figure 6 For this utility model Figure 3 Enlarged schematic diagram of the structure of part A in the middle.

[0022] In the figure: 1. Upper demoulding box; 2. Lower demoulding box; 3. Telescopic column; 4. Deployment opening; 5. Docking plate; 6. Accompanying rod; 7. Cylinder; 8. Push rod; 9. Pressing plate; 10. Film forming plate; 11. Limiting plate; 12. Limiting thread; 13. Docking block; 14. Grabbing block; 15. Electric telescopic rod; 16. Fixing block; 17. Limiting bolt; 18. Adjusting bolt; 19. Upper retaining ring; 20. Movable column; 21. Lower retaining ring; 22. Slide groove; 23. Slider; 24. Connecting plate; 25. Fastening bolt. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0024] The utility model provides a technical solution: Figures 1 to 6 As shown, in this embodiment, an automatic demolding device for silicone rubber parts comprises an upper demolding box 1, the upper end of the upper demolding box 1 is fixedly connected with a docking plate 5, the upper end of the docking plate 5 is fixedly connected with a cylinder 7, the upper end of the docking plate 5 is fixedly connected with a companion rod 6, the cylinder 7 passes through the upper demolding box 1, the output end of the cylinder 7 is fixedly connected with a push rod 8, the end of the push rod 8 away from the cylinder 7 is fixedly connected with a pressure plate 9, and the end of the pressure plate 9 away from the push rod 8 is fixedly connected with a film forming plate 10.

[0025] The inner wall of the film forming plate 10 is provided with a limiting thread 12, and the inner wall of the film forming plate 10 is slidably connected to the limiting plate 11. The device adopts a double limit plate 11 replacement. At the same time, the front of the limit plate 11 is fixedly connected with an adjusting bolt 18, and the end of the adjusting bolt 18 away from the film forming plate 10 is fixedly connected with an upper clamping ring 19. By starting the cylinder 7, the cylinder 7 will drive the accompanying rod 6 and the pushing rod 8 at its output end to move up and down repeatedly, thereby pushing the pressure plate 9 under the pushing rod 8. Since the lower end of the pressing plate 9 is fixedly connected to the film forming plate 10, the film forming plate 10 will continue to move downward, so that the silicone rubber parts inside it contact with the lower demoulding box 2, thereby completing the demoulding work, and finally opening the expansion port 4, so that the grab block 14 is used to grab the docking block 13, so that the final demoulding work can be completed, which can effectively improve the quality of the obtained silicone rubber parts while improving the demoulding efficiency.

[0026] The surface of the upper retaining ring 19 is rotatably connected to a movable column 20, and the end of the movable column 20 away from the upper retaining ring 19 is fixedly connected to a lower retaining ring 21. The number of the adjusting bolts 18 is set to two, and the two adjusting bolts 18 are symmetrically arranged about the center of the film forming plate 10.

[0027] The inner wall of the upper demoulding box 1 is provided with a slide groove 22, and the bottom end of the inner wall of the slide groove 22 is slidably connected to a slider 23, and the end of the slider 23 away from the slide groove 22 is fixedly connected to the limit plate 11, and the surface of the limit plate 11 is fixedly connected to a connecting plate 24, and the upper end of the connecting plate 24 is rotatably connected to a fastening bolt 25. By clamping the top of the silicone rubber part with the limiting thread 12 opened on the film forming plate 10, and at the same time starting the electric telescopic rod 15 inside the docking block 13, the position adjustment of the limit bolt 17 at the top of the electric telescopic rod 15 is completed, so that the lower end of the silicone rubber part The limit clamping is completed with the surface of the limit bolt 17. At the same time, since a slide groove 22 is provided inside the upper demoulding box 1, the limit plate 11 is slid, so that the limit plate 11 will drive the slider 23 at its lower end to slide, and slide to a suitable position. At this time, the fastening bolt 25 is rotated to complete the limit fixation of the connecting plate 24. At the same time, by adjusting the length of the adjusting bolt 18, the upper clamping ring 19 at its top can be more closely clamped with the surface of the silicone rubber part, thereby ensuring its stability during demoulding to the greatest extent, thereby improving the quality of the demoulding silicone rubber part.

[0028] The lower end of the upper demoulding box 1 is fixedly connected to a telescopic column 3, and the end of the telescopic column 3 away from the upper demoulding box 1 is fixedly connected to the lower demoulding box 2. The front of the lower demoulding box 2 is provided with a deployment opening 4. The number of telescopic columns 3 is set to be several, and the several telescopic columns 3 are fixedly connected to the upper end of the lower demoulding box 2 around.

[0029] The inner wall of the lower demoulding box 2 is fixedly connected with a docking block 13, and the inner wall of the docking block 13 is fixedly connected with an electric telescopic rod 15. One end of the electric telescopic rod 15 away from the docking block 13 is fixedly connected to a limiting bolt 17. The number of the electric telescopic rods 15 is set to two, and the two electric telescopic rods 15 are symmetrically arranged about the center of the lower demoulding box 2.

[0030] The front of the docking block 13 is fixedly connected to a grab block 14, which is located directly in front of the deployment opening 4. The inner wall of the lower demoulding box 2 is fixedly connected to a fixed block 16, and the surface of the fixed block 16 is fixedly connected to the surface of the docking block 13. The fixed block 16 is located directly in front of the docking block 13.

[0031] The utility model provides an automatic demoulding device for silicone rubber parts, and the specific working principle is as follows:

[0032] During use, the user needs to place the silicone rubber part that needs to be demoulded inside the upper demoulding box 1, and at the same time, the top of the silicone rubber part will be clamped with the limiting thread 12 opened on the film forming plate 10, and at the same time, the electric telescopic rod 15 inside the docking block 13 is started to complete the position adjustment of the limiting bolt 17 at the top of the electric telescopic rod 15, so that the lower end of the silicone rubber part and the surface of the limiting bolt 17 are completed in a limited clamping connection. At the same time, since a slide groove 22 is provided inside the upper demoulding box 1, the limiting plate 11 is slid, so that the limiting plate 11 will drive the slider 23 at its lower end to slide and slide to the appropriate position. At this time, the fastening bolt 25 is rotated to complete the limiting fixation of the connecting plate 24, and at the same time, the length of the adjusting bolt 18 is adjusted to make its top The upper clamping ring 19 can be more closely connected to the surface of the silicone rubber part, so as to ensure its stability during demolding to the greatest extent. After completing the above steps, the user needs to start the cylinder 7. The cylinder 7 will drive the accompanying rod 6 and the push rod 8 at its output end to move up and down repeatedly, thereby pushing the pressure plate 9 under the push rod 8. Since the lower end of the pressure plate 9 is fixedly connected to the film forming plate 10, the film forming plate 10 will continue to move downward, so that the silicone rubber part inside it contacts the lower demolding box 2, thereby completing the demolding work, and finally opening the expansion port 4, so that the grab block 14 is used to grab the docking block 13, and the demolding machine claws matched with it will automatically extract the product, so that the final demolding work can be completed, thereby effectively improving the quality of the obtained silicone rubber parts.

[0033] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic demoulding device for silicone rubber parts, comprising an upper demoulding box (1), characterized in that: The upper end of the upper demoulding box (1) is fixedly connected to a docking plate (5), the upper end of the docking plate (5) is fixedly connected to a cylinder (7), the upper end of the docking plate (5) is fixedly connected to a companion rod (6), the cylinder (7) passes through the upper demoulding box (1), the output end of the cylinder (7) is fixedly connected to a push rod (8), the end of the push rod (8) away from the cylinder (7) is fixedly connected to a pressure plate (9), and the end of the pressure plate (9) away from the push rod (8) is fixedly connected to a film forming plate (10).

2. The automatic demoulding device for silicone rubber parts according to claim 1, characterized in that: The inner wall of the film forming plate (10) is provided with a limiting thread (12), and the inner wall of the film forming plate (10) is slidably connected to the limiting plate (11). The front of the limiting plate (11) is fixedly connected to an adjusting bolt (18), and the end of the adjusting bolt (18) away from the film forming plate (10) is fixedly connected to an upper clamping ring (19).

3. The automatic demoulding device for silicone rubber parts according to claim 2, characterized in that: The surface of the upper retaining ring (19) is rotatably connected to a movable column (20), and one end of the movable column (20) away from the upper retaining ring (19) is fixedly connected to a lower retaining ring (21). The number of the adjusting bolts (18) is set to two, and the two adjusting bolts (18) are symmetrically arranged about the center of the film forming plate (10).

4. The automatic demoulding device for silicone rubber parts according to claim 1, characterized in that: A slide groove (22) is provided on the inner wall of the upper demoulding box (1), and a slider (23) is slidably connected to the bottom end of the inner wall of the slide groove (22), and the end of the slider (23) away from the slide groove (22) is fixedly connected to the limit plate (11), and a connecting plate (24) is fixedly connected to the surface of the limit plate (11), and the upper end of the connecting plate (24) is rotatably connected to a fastening bolt (25).

5. The automatic demoulding device for silicone rubber parts according to claim 1, characterized in that: The lower end of the upper demoulding box (1) is fixedly connected to a telescopic column (3), and one end of the telescopic column (3) away from the upper demoulding box (1) is fixedly connected to the lower demoulding box (2). The front of the lower demoulding box (2) is provided with an expansion opening (4). The number of the telescopic columns (3) is set to be several, and the several telescopic columns (3) are all fixedly connected to the upper end of the lower demoulding box (2) around.

6. The automatic demoulding device for silicone rubber parts according to claim 5, characterized in that: The inner wall of the lower demoulding box (2) is fixedly connected to a docking block (13), and the inner wall of the docking block (13) is fixedly connected to an electric telescopic rod (15). One end of the electric telescopic rod (15) away from the docking block (13) is fixedly connected to a limit bolt (17). The number of the electric telescopic rods (15) is set to two, and the two electric telescopic rods (15) are symmetrically arranged with respect to the center of the lower demoulding box (2).

7. The automatic demoulding device for silicone rubber parts according to claim 6, characterized in that: The front of the docking block (13) is fixedly connected to a gripping block (14), and the gripping block (14) is located directly in front of the deployment opening (4). The inner wall of the lower demoulding box (2) is fixedly connected to a fixing block (16), and the surface of the fixing block (16) is fixedly connected to the surface of the docking block (13), and the fixing block (16) is located directly in front of the docking block (13).

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