An integrated forming device for wear-resistant rubber valve seats

Abstract

This utility model discloses an integrated molding device for wear-resistant rubber valve seats, relating to the field of rubber valve seat technology. The integrated molding device for wear-resistant rubber valve seats includes a processing table with supporting legs at its lower end. A molding device is mounted on the upper end of the processing table, and a support frame is mounted on the upper end of the molding device. The molding device includes an upper mold, a second hydraulic cylinder, and a lower mold. The second hydraulic cylinder is located at the lower end of the support frame, and the upper mold is located at the lower end of the second hydraulic cylinder. A lower mold is located at the lower end of the upper mold and on the upper end of the processing table. A pushing device is located inside the lower mold, and a cleaning device is located outside the pushing device. A storage box is located on one side of the processing table, and an injection molding device is located on the upper end of the storage box. This solution solves the problem of difficult demolding and the inability to resolve the burr problem generated during molding.

Description

Technical Field

[0001] This utility model relates to the field of rubber valve seat technology, specifically to an integrated molding device for a wear-resistant rubber valve seat. Background Technology

[0002] Rubber valve seats are a crucial component widely used in valve systems, primarily ensuring sealing performance and extending valve life. They are typically made of high-performance rubber materials such as EPDM (ethylene propylene diene monomer) and NBR (nitrile butadiene rubber), exhibiting excellent high-temperature resistance, corrosion resistance, wear resistance, and aging resistance. The main function of rubber valve seats is to achieve an airtight seal through elastic deformation, preventing media leakage, and to provide a uniform pressure distribution when the valve is closed, thereby avoiding rubber damage caused by uneven stress. Furthermore, rubber valve seats also possess good wear resistance and vibration damping properties, effectively reducing noise and improving system operational stability. With their superior performance and wide range of applications, rubber valve seats have become an indispensable key component in valve systems, providing efficient and reliable sealing solutions for industrial production.

[0003] A rubber valve seat injection molding machine, as disclosed in announcement number CN221089755U, includes a base plate, a mounting plate fixedly mounted on the top surface of the base plate, a support plate fixedly mounted on the top surface of the base plate, four bolts movably mounted on the top surface of the base plate, a motor fixedly mounted on the top surface of the base plate, a hydraulic rod fixedly mounted on the output end of the motor, four connecting rods fixedly mounted on the side of the mounting plate near the support plate, and a molding box movably sleeved on the outer side of the four connecting rods. The molding box has two exhaust slots inside, an injection hole on the top surface of the molding box, and a molding groove inside the molding box. Fixing blocks and connecting blocks are fixedly mounted on both sides of the molding box. Through the provided air pump and exhaust slots, when rubber is injected into the molding groove, air is pumped into the exhaust slots to accelerate the airflow, speeding up the cooling and setting of the product and improving production efficiency.

[0004] The aforementioned device is difficult to demold during use and cannot solve the problem of burrs generated during molding; therefore, we propose an integrated molding device for wear-resistant rubber valve seats to solve the problems mentioned above. Utility Model Content

[0005] The purpose of this invention is to provide an integrated molding device for wear-resistant rubber valve seats, so as to solve the problems of existing demolding difficulties and the inability to solve the problem of burrs generated during molding mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an integrated molding device for wear-resistant rubber valve seats, comprising a processing table, a support foot at the lower end of the processing table, a molding device at the upper end of the processing table, a support frame at the upper end of the molding device, the molding device comprising an upper mold, a second hydraulic cylinder, and a lower mold, the second hydraulic cylinder being located at the lower end of the support frame, the upper mold being located at the lower end of the second hydraulic cylinder, a lower mold being located at the lower end of the upper mold, the lower mold being located at the upper end of the processing table, a pushing device being located inside the lower mold, a cleaning device being located outside the pushing device, a storage box being located on one side of the processing table, and an injection molding device being located at the upper end of the storage box.

[0007] Preferably, the pushing device includes a top plate, a third hydraulic cylinder, and a support base. The top plate is disposed inside the lower mold, the third hydraulic cylinder is disposed at the lower end of the top plate, the support base is disposed at the lower end of the third hydraulic cylinder, and the lower end of the support base is disposed on the lower surface of the processing table.

[0008] Preferably, the cleaning device includes a blade, a blade holder, a first hydraulic cylinder, a guide rod, and a fixing device. The blade is disposed on the outer side of the top plate and inside the blade holder. Two sets of fixing devices are disposed inside the blade holder. The first hydraulic cylinder is disposed at the lower end of the blade holder and is disposed on the lower surface of the processing table. A guide rod is disposed on the outer side of the first hydraulic cylinder, and the lower ends of the guide rods all penetrate through and extend to the lower end of the processing table.

[0009] Preferably, the fixing device includes a first pin, a second pin, and pin slots. Pin slots are provided on both sides of the tool holder. A first pin is provided in each of the two sets of pin slots. Two sets of second pins are provided and are symmetrically arranged in the first pins.

[0010] Preferably, the storage bin has a feed inlet at the top and a discharge outlet at the bottom.

[0011] Preferably, a feed groove is provided on one side of the upper mold.

[0012] Preferably, the injection molding device includes a feeding device, a conveying pipe, and a conveying head. The feeding device is located at the top of the storage tank. A conveying pipe is provided on one side of the feeding device, and a conveying head is provided on the other side of the conveying pipe. The conveying head is located in the feed trough.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] (1) This utility model has a cleaning device at the lower end of the lower mold. After injection molding, the blade is attached to the inner wall of the lower mold. The first hydraulic cylinder cuts upward to remove the burrs around the valve seat and the excess rubber in the feed groove on one side of the upper mold. After cutting, the upper mold is lifted by the second hydraulic cylinder, thus solving the problem of burrs generated during molding.

[0015] (2) By setting a pusher device inside the cleaning device, after the surface is cleaned, the top plate moves upward by the third hydraulic cylinder, and the blade rises at the same time, thereby discharging the valve seat and waste together, thus solving the problem of difficult demolding. Attached Figure Description

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

[0017] Figure 2 This is a front view of the present invention;

[0018] Figure 3 This is a cross-sectional view of the present invention;

[0019] Figure 4 This is an unfolded view of the cleaning device of this utility model;

[0020] In the diagram: 1. Processing table; 2. Support frame; 3. Support leg; 4. Storage box; 5. Feed inlet; 6. Discharge outlet; 7. Feeding device; 8. Conveying pipe; 9. Conveying head; 10. Feed trough; 11. Cleaning device; 111. Blade; 112. Blade holder; 113. First hydraulic cylinder; 114. Guide rod; 12. Forming device; 121. Upper mold; 122. Second hydraulic cylinder; 123. Lower mold; 124. Top plate; 125. Third hydraulic cylinder; 126. Support base; 13. Fixing device; 131. First pin; 132. Second pin; 133. Pin slot. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0022] Please see Figure 1-4This utility model provides an embodiment of an integrated molding device for wear-resistant rubber valve seats, comprising a processing table 1, a support leg 3 at the lower end of the processing table 1, a molding device 12 at the upper end of the processing table 1, a support frame 2 at the upper end of the molding device 12, the molding device 12 comprising an upper mold 121, a second hydraulic cylinder 122, and a lower mold 123, the second hydraulic cylinder 122 being located at the lower end of the support frame 2, the upper mold 121 being located at the lower end of the second hydraulic cylinder 122, the lower mold 123 being located at the lower end of the upper mold 121, the lower mold 123 being located at the upper end of the processing table 1, a pushing device being provided inside the lower mold 123, a cleaning device 11 being provided outside the pushing device, a storage box 4 being provided on one side of the processing table 1, and a [missing information - likely a device name or design element] being provided at the upper end of the storage box 4. The injection molding device has a cleaning device 11 at the lower end of the lower mold 123. After injection molding, the blade 111, which is attached to the inner wall of the lower mold 123, cuts upward by the first hydraulic cylinder 113 to remove burrs around the valve seat and excess rubber in the feed groove 10 on one side of the upper mold 121. After cutting, the upper mold 121 is lifted by the second hydraulic cylinder 122, thus solving the problem of burrs generated during molding. The device has a pusher inside the cleaning device 11. After the surface is cleaned, the top plate 124 moves upward by the third hydraulic cylinder 125, which rises simultaneously with the blade 111 to discharge the valve seat and waste material together, thus solving the problem of difficult demolding.

[0023] Please see Figure 3 The pushing device includes a top plate 124, a third hydraulic cylinder 125, and a support base 126. The top plate 124 is installed inside the lower mold 123. The third hydraulic cylinder 125 is installed at the lower end of the top plate 124. The support base 126 is installed at the lower end of the third hydraulic cylinder 125. The lower end of the support base 126 is installed on the lower surface of the processing table 1, which serves to demold.

[0024] Please see Figure 4 The cleaning device 11 includes a blade 111, a blade holder 112, a first hydraulic cylinder 113, a guide rod 114, and a fixing device 13. The blade 111 is located on the outside of the top plate 124 and inside the blade holder 112. Two sets of fixing devices 13 are installed inside the blade holder 112. The first hydraulic cylinder 113 is located at the lower end of the blade holder 112 and is located on the lower surface of the processing table 1. The guide rod 114 is located on the outside of the first hydraulic cylinder 113. The lower ends of the guide rods 114 all penetrate through and extend to the lower end of the processing table 1, serving to clean the outer burrs.

[0025] Please see Figure 4The fixing device 13 includes a first pin 131, a second pin 132 and a pin groove 133. The blade holder 112 is provided with pin grooves 133 on both sides. The first pin 131 is provided in each of the two sets of pin grooves 133. There are two sets of second pins 132, which are symmetrically arranged in the first pins 131, so as to quickly fix the blade 111.

[0026] Please see Figure 1 The storage bin 4 has a feed inlet 5 at the top and a discharge outlet 6 at the bottom, which facilitates the feeding and discharging of materials.

[0027] Please see Figure 3 The upper mold 121 has a feed groove 10 on one side.

[0028] Please see Figure 3 The injection molding device includes a feeding device 7, a conveying pipe 8, and a conveying head 9. The feeding device 7 is located at the top of the storage box 4. The conveying pipe 8 is located on one side of the feeding device 7, and the conveying head 9 is located on the other side of the conveying pipe 8. The conveying head 9 is located in the feed trough 10 and performs the function of injection molding.

[0029] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. An integrated molding device for wear-resistant rubber valve seats, comprising a processing table (1), characterized in that: The processing table (1) is provided with a support foot (3) at the lower end, and a molding device (12) is provided at the upper end of the processing table (1). A support frame (2) is provided at the upper end of the molding device (12). The molding device (12) includes an upper mold (121), a second hydraulic cylinder (122) and a lower mold (123). The second hydraulic cylinder (122) is located at the lower end of the support frame (2). The upper mold (121) is located at the lower end of the second hydraulic cylinder (122). A lower mold (123) is located at the lower end of the upper mold (121). A lower mold (123) is located at the upper end of the processing table (1). A pushing device is provided inside the lower mold (123). A cleaning device (11) is provided outside the pushing device. A storage box (4) is provided on one side of the processing table (1). An injection molding device is provided at the upper end of the storage box (4).

2. The integrated molding device for a wear-resistant rubber valve seat according to claim 1, characterized in that: The pushing device includes a top plate (124), a third hydraulic cylinder (125), and a support base (126). The top plate (124) is disposed inside the lower mold (123). The third hydraulic cylinder (125) is disposed at the lower end of the top plate (124). The support base (126) is disposed at the lower end of the third hydraulic cylinder (125). The lower end of the support base (126) is disposed on the lower surface of the processing table (1).

3. The integrated molding device for a wear-resistant rubber valve seat according to claim 2, characterized in that: The cleaning device (11) includes a blade (111), a blade holder (112), a first hydraulic cylinder (113), a guide rod (114), and a fixing device (13). The blade (111) is located on the outside of the top plate (124). The blade (111) is located inside the blade holder (112). Two sets of fixing devices (13) are provided inside the blade holder (112). The first hydraulic cylinder (113) is located at the lower end of the blade holder (112). The first hydraulic cylinder (113) is located on the lower surface of the processing table (1). The guide rod (114) is located on the outside of the first hydraulic cylinder (113). The lower ends of the guide rod (114) all penetrate through and extend to the lower end of the processing table (1).

4. The integrated molding device for a wear-resistant rubber valve seat according to claim 3, characterized in that: The fixing device (13) includes a first pin (131), a second pin (132) and a pin groove (133). The tool holder (112) is provided with pin grooves (133) on both sides. The first pin (131) is provided in both sets of pin grooves (133). There are two sets of second pins (132) and they are symmetrically arranged in the first pins (131).

5. The integrated molding device for a wear-resistant rubber valve seat according to claim 4, characterized in that: The storage box (4) is provided with a feed inlet (5) at the upper end and a discharge outlet (6) at the lower end.

6. The integrated molding device for a wear-resistant rubber valve seat according to claim 5, characterized in that: A feed groove (10) is provided on one side of the upper mold (121).

7. The integrated molding device for a wear-resistant rubber valve seat according to claim 6, characterized in that: The injection molding device includes a feeding device (7), a conveying pipe (8) and a conveying head (9). The feeding device (7) is located at the upper end of the storage box (4). The feeding device (7) has a conveying pipe (8) on one side and a conveying head (9) on the other side. The conveying head (9) is located in the feed trough (10).

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