Liquid silica gel product forming device

Abstract

The utility model discloses a liquid silica gel product forming device, which belongs to the technical field of silica gel products and comprises a bottom frame. The device is characterized in that discharging stations are symmetrically arranged on the two sides of the forming die assembly station, and the positions of the forming die assembly station and the discharging stations are switched by pushing air cylinders to horizontally slide along parallel guide rails; the two discharging stations are each provided with a jacking rod moving in the vertical direction, and the jacking rods drive jacking plates of the lower molds to jack the silica gel products to the outer sides of the lower molds. The liquid silica gel product forming device with the double discharging stations has the advantages that the waiting time for collecting the mold is shortened, the production efficiency is improved, and the jacking rod drives the jacking plate of the lower mold to jack a silica gel product to the outer side of the lower mold; and the damage to the material when the silica gel product is taken out of the trough is avoided.

Description

Technical field:

[0001] The utility model belongs to the technical field of silicone products, and more specifically relates to a liquid silicone product molding device. Background technology:

[0002] Liquid silicone products have been widely used due to their good performance. At present, liquid silicone has good fluidity, so liquid silicone products are mostly manufactured by mold molding. A set of molds is installed on the existing molding equipment. When producing liquid silicone products, liquid silicone is injected into the cavity of the mold. After the silicone is shaped, the mold is opened to take out the molded part, thus completing the production.

[0003] Since it takes a certain amount of time to remove the molded part from the fixed mold, the molding equipment will stop working, which will cause waste and low production efficiency. Utility model content:

[0004] In order to solve the above problems and overcome the shortcomings of the prior art, the utility model provides a liquid silicone product molding device;

[0005] The first technical problem to be solved is that it takes a certain amount of time to remove the molded part from the fixed mold, which causes the molding equipment to stop working, resulting in waste and low production efficiency.

[0006] The specific technical solution of the utility model to solve the above technical problems is: a liquid silicone product molding device, comprising a base frame; a molding and clamping station is arranged in the middle of the upper end surface of the base frame, and the characteristics are: unloading stations are symmetrically arranged on both sides of the molding and clamping station,

[0007] The upper end surface of the bottom frame is provided with a parallel guide rail, on which two lower molds are slidably arranged. The two lower molds are pushed by the cylinder to slide horizontally along the parallel guide rail to switch the positions of the molding and clamping station and the unloading station;

[0008] The molding and clamping station comprises a downward pressing cylinder bracket, the downward pressing cylinder bracket is provided with a downward pressing cylinder in a vertical direction, the guide shaft of the downward pressing cylinder is connected to the downward pressing plate, the lower end surface of the downward pressing plate is provided with a guide pin in a vertical direction, the guide pin penetrates the upper mold and is plugged and matched with the guide groove of the lower mold,

[0009] Both unloading stations are provided with a lifting rod that moves in the vertical direction, and the lifting rod drives the lifting plate of the lower mold to lift the silicone product to the outside of the lower mold;

[0010] The lower mold includes a main body, the upper end surface of the main body is provided with a material trough, the lower end surface of the material trough is provided with a lifting plate that moves in the vertical direction, a return spring and a limit block are also provided between the lifting plate and the main body, an annular material collection trough is provided on the outside of the material trough, and the annular material collection trough is communicated with the outside through a material guide hole, and the lower end surface of the upper mold is provided with a pressing block adapted to the annular material collection trough.

[0011] Furthermore, a buffer spring is sleeved on the outer side of the guide pin located above the upper mold, and the buffer spring is respectively fixed to the lower pressing plate and the upper mold.

[0012] Furthermore, the lifting rods are passed through a base frame, a preset number of lifting rods are fixed on a connecting rod, and the connecting rod is connected to a lifting cylinder.

[0013] Furthermore, the lifting cylinder is fixed to the lower end surface of the base frame through a cylinder seat.

[0014] Furthermore, a waste material barrel is arranged outside the molding and clamping station, and the waste material barrel cooperates with the material guide hole of the annular material collecting trough through a material guide pipe and a trumpet interface.

[0015] Furthermore, the jacking plate is connected to the jacking plate push plate through a support rod, and the jacking plate push plate cooperates with the jacking rod.

[0016] Furthermore, the piston rod of the pushing cylinder is clearance-matched with the circular hole of the guide rail seat arranged below the lower mold, the piston rod reciprocates in the circular hole, a baffle is arranged on the piston rod, and a spring is arranged between the baffle and the circular hole of the guide rail seat.

[0017] The beneficial effects of the utility model are:

[0018] One advantage of the utility model is that it provides a liquid silicone product molding device with double unloading stations, which switches the molding and closing mold station and the unloading station by pushing the cylinder to slide horizontally along parallel guide rails; when one of the lower molds receives the molded part at the unloading station, the other lower mold can cooperate with the upper mold at the molding and closing mold station to complete glue injection and plasticization, thereby reducing the waiting time when receiving the mold and improving production efficiency.

[0019] One advantage of the utility model is that both unloading stations are provided with lifting rods that move in the vertical direction. The lifting rods drive the lifting plate of the lower mold to lift the silicone product to the outside of the lower mold, thereby avoiding damage to the material when taking the silicone product out of the material trough. Description of the drawings:

[0020] Attached Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Attached Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0022] Attached Figure 3 This is a schematic structural diagram of the upper mold and the lower mold of the utility model in the first implementation state;

[0023] Attached Figure 4 This is a schematic diagram of the structure of the upper mold and the lower mold of the utility model in the second implementation state;

[0024] Attached Figure 5 This is a schematic structural diagram of the upper mold and the lower mold of the utility model in the third implementation state;

[0025] In the attached figure:

[0026] 1. Base frame; 2. Push cylinder; 3. Parallel guide rails; 4. Lifting rod; 5. Guide pin; 6. Buffer spring; 7. Lower pressure plate; 8. Lower pressure cylinder bracket; 9. Lower pressure cylinder; 10. Molding and clamping station; 11. Lower mold; 12. Unloading station; 13. Speaker interface; 14. Waste barrel; 15. Cylinder seat; 16. Lifting cylinder; 17. Connecting rod; 18. Pressure block; 19. Guide groove; 20. Collecting trough; 21. Lifting plate; 22. Support rod; 23. Reset spring; 24. Limit block; 25. Material guide hole; 26. Main body; 27. Lifting plate push plate. Specific implementation method:

[0027] In the description of the present invention, it should be understood that the terms "center", "upper", "lower", "left", "right", "rear", "lower left", "upper right", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0028] The specific implementation mode of the utility model: the liquid silicone product molding device comprises a base frame 1; a molding and clamping station 10 is arranged in the middle of the upper end surface of the base frame 1, characterized in that: a material unloading station 12 is symmetrically arranged on both sides of the molding and clamping station 10,

[0029] The upper end surface of the bottom frame 1 is provided with a parallel guide rail 3, on which two lower molds 11 are slidably arranged. The two lower molds 11 switch the positions of the molding and clamping station 10 and the unloading station 12 by pushing the cylinder 2 to slide horizontally along the parallel guide rail 3;

[0030] The molding and clamping station 10 includes a pressing cylinder support 8, a pressing cylinder 9 is arranged on the pressing cylinder support 8 in the vertical direction, a guide shaft of the pressing cylinder 9 is connected to a pressing plate 7, a guide pin 5 is arranged on the lower end surface of the pressing plate 7 in the vertical direction, the guide pin 5 penetrates the upper mold and is plugged into the guide groove 19 of the lower mold 11.

[0031] Both unloading stations 12 are provided with a lifting rod 4 that moves in the vertical direction, and the lifting rod 4 drives the lifting plate 21 of the lower mold 11 to lift the silicone product to the outside of the lower mold 11;

[0032] The lower mold 11 includes a main body 26, the upper end surface of the main body 26 is provided with a material trough, the lower end surface of the material trough is provided with a lifting plate 21 that moves in the vertical direction, and a return spring 23 and a limit block 24 are also provided between the lifting plate 21 and the main body 26. An annular material collection trough 20 is provided on the outer side of the material trough, and the material collection trough is communicated with the outside through a material guide hole 25. The lower end surface of the upper mold is provided with a pressing block 18 that is compatible with the annular material collection trough 20.

[0033] Furthermore, a buffer spring 6 is sleeved on the outer side of the guide pin 5 located above the upper mold, and the buffer spring 6 is respectively fixed to the lower pressing plate 7 and the upper mold.

[0034] Furthermore, the lifting rods 4 pass through the base frame 1 , and a preset number of lifting rods 4 are fixed on the connecting rod 17 , and the connecting rod 17 is connected to the lifting cylinder 16 .

[0035] Furthermore, the lifting cylinder 16 is fixed to the lower end surface of the base frame 1 through a cylinder seat 15 .

[0036] Furthermore, a waste barrel 14 is provided on the outer side of the molding and clamping station 10 , and the waste barrel 14 cooperates with the material guide hole 25 of the annular material collecting trough 20 through a material guide pipe and a horn interface 13 .

[0037] Furthermore, the lifting plate 21 is connected to the lifting plate push plate 27 through the support rod 22 , and the lifting plate push plate 27 cooperates with the lifting rod 4 .

[0038] Furthermore, the piston rod of the push cylinder 2 is clearance-fitted with the circular hole of the guide rail seat arranged below the lower mold 11, and the piston rod reciprocates in the circular hole. A baffle is arranged on the piston rod, and a spring is arranged between the baffle and the circular hole of the guide rail seat.

[0039] It should be noted that the utility model is a liquid silicone product molding device. When working,

[0040] 1. Use the injection head to inject liquid silicone into the material groove of the lower mold 11. At this time, the excess liquid will overflow into the annular collecting groove 20. At this time, the guide shaft of the pressing cylinder 9 extends out of the lower pressing plate 7 and moves downward, driving the lower mold 11, the guide pin 5 and the buffer spring 6 to move downward together. The guide pin 5 penetrates the upper mold and is plugged into the guide groove 19 of the lower mold 11, achieving a good guiding and positioning effect. At the same time, the upper mold is slowly pressed down under the action of the buffer spring 6. The annular collecting groove 20, under the action of the pressing block 18, squeezes the air and excess liquid silicone in the annular collecting groove 20 into the guide hole 25, and presses it into the waste barrel 14 through the horn interface 13; the waste barrel 14 can be provided with an exhaust pipe and a baffle; the discharge of gas can also prevent the liquid silicone from being sprayed out due to high pressure;

[0041] 2. The mold after mold closing is molded by various means, including but not limited to high temperature, and the high temperature can be provided by the high temperature medium in the flow channel of the upper mold and / or the lower mold 11. The setting of the flow channel is within the protection scope of the utility model as long as it can provide uniform heat energy to the liquid silicone in the feed tank;

[0042] 3. After the liquid silicone is formed, the push cylinder 2 is used to slide horizontally along the parallel guide rail 3 to switch the positions of the molding and clamping station 10 and the unloading station 12; at this time, the lifting cylinder 16 and the connecting rod 17 are used to lift the lifting rods 4 of the two unloading stations 12 at the same time, and the lifting rods 4 drive the lifting plate 21 of the lower mold 11 to lift the silicone product to the outside of the lower mold 11; thus, damage to the material is avoided when the silicone product is taken out of the trough.

[0043] 4. As a preferred embodiment of the utility model:

[0044] The piston rod of the push cylinder 2 is clearance-matched with the circular hole of the guide rail seat provided below the lower mold 11. The piston rod reciprocates in the circular hole. A baffle is provided on the piston rod, and a spring is provided between the baffle and the circular hole of the guide rail seat.

[0045] The setting of the spring can not only fix the guide rail seat in a relative position, but also play a certain buffering role in the process of pushing the cylinder 2 to move. Moreover, when the guide pin 5 moves downward, if the lower mold 11 and the upper mold do not fit well, the lower mold 11 can be displaced to a certain extent under the action of the guide pin 5, so that the lower mold 11 can better fit with the upper mold.

[0046] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A liquid silicone product molding device, comprising a base frame (1); a molding and clamping station (10) is provided in the middle of the upper end surface of the base frame (1), characterized in that: The two sides of the molding and clamping station (10) are symmetrically provided with unloading stations (12). The upper end surface of the bottom frame (1) is provided with a parallel guide rail (3), and two lower molds (11) are slidably provided on the parallel guide rail (3). The two lower molds (11) are switched between the positions of the molding and clamping station (10) and the unloading station (12) by pushing the cylinder (2) to slide horizontally along the parallel guide rail (3); The molding and clamping station (10) comprises a downward pressing cylinder support (8), the downward pressing cylinder support (8) is provided with a downward pressing cylinder (9) in a vertical direction, the guide shaft of the downward pressing cylinder (9) is connected to a downward pressing plate (7), the lower end surface of the downward pressing plate (7) is provided with a guide pin (5) in a vertical direction, the guide pin (5) penetrates the upper mold and is plugged into and matched with a guide groove (19) of a lower mold (11), Both unloading stations (12) are provided with a lifting rod (4) that moves in a vertical direction, and the lifting rod (4) drives a lifting plate (21) of the lower mold (11) to lift the silicone product to the outside of the lower mold (11); The lower mold (11) comprises a main body (26), the upper end surface of the main body (26) is provided with a material trough, the lower end surface of the material trough is provided with a lifting plate (21) movable in the vertical direction, a return spring (23) and a limit block (24) are also provided between the lifting plate (21) and the main body (26), an annular material collection trough (20) is provided on the outer side of the material trough, and the annular material collection trough (20) is communicated with the outside through a material guide hole (25), and a pressing block (18) adapted to the annular material collection trough (20) is provided on the lower end surface of the upper mold.

2. The liquid silicone product molding device according to claim 1, characterized in that A buffer spring (6) is sleeved on the outer side of the guide pin (5) located above the upper mold, and the buffer spring (6) is respectively fixed to the lower pressing plate (7) and the upper mold.

3. The liquid silicone product molding device according to claim 1, characterized in that The lifting rods (4) are passed through the base frame (1), a preset number of lifting rods (4) are fixed on a connecting rod (17), and the connecting rod (17) is connected to a lifting cylinder (16).

4. The liquid silicone product molding device according to claim 3, characterized in that The lifting cylinder (16) is fixed to the lower end surface of the base frame (1) via a cylinder seat (15).

5. The liquid silicone product molding device according to claim 1, characterized in that A waste material barrel (14) is arranged outside the molding and clamping station (10), and the waste material barrel (14) is matched with a material guide hole (25) of the annular material collecting trough (20) through a material guide pipe and a horn interface (13).

6. The liquid silicone product molding device according to claim 1, characterized in that The jacking plate (21) is connected to the jacking plate push plate (27) via a support rod (22), and the jacking plate push plate (27) cooperates with the jacking rod (4).

7. The liquid silicone product molding device according to claim 1, characterized in that The piston rod of the push cylinder (2) is clearance-matched with the circular hole of the guide rail seat arranged below the lower mold (11), and the piston rod reciprocates in the circular hole. A baffle is arranged on the piston rod, and a spring is arranged between the baffle and the circular hole of the guide rail seat.

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