Sealing connection structure between upper die and lower die of die

Abstract

The utility model discloses a sealing connection structure between an upper die and a lower die of a die, which relates to the technical field of die sealing and comprises the upper die and the lower die, a pressing block and a rubber ring are fixedly mounted at the bottom of the upper die, four positioning blocks are fixedly mounted at the bottom of the upper die, and connecting structures are arranged on two sides of the upper die and two sides of the lower die. The connecting structure comprises two L-shaped pressing plates and two fixing frames, two first bevel gears rotate to drive two second bevel gears to rotate in an engaged mode, so that two connecting shafts rotate, screw rods at the two ends of the two connecting shafts are driven to rotate, and two sets of moving blocks move in the opposite directions; the four L-shaped connecting plates drive the two U-shaped plates to move along with the two U-shaped plates, the connecting part of the upper die and the lower die is extruded and clamped during press fit, and therefore the connecting part of the upper die and the lower die is sealed, the sealing effect in the press fit state is further improved, deformation during material machining is prevented, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mold sealing, in particular to a sealing connection structure between an upper mold and a lower mold. Background Art

[0002] A mold is a tool used to create objects of a specific shape. Most molds consist of an upper mold and a lower mold, and are commonly used in industrial production. Mold design and manufacturing is a complex process involving material selection, processing technology, precision requirements, and other aspects. High-quality molds can improve production efficiency and reduce costs.

[0003] During the mold forming process, the sealing between the upper mold and the lower mold will have a direct impact on the quality of the molded material. The existing upper and lower molds are usually pressed together for sealing. If the processing accuracy of the upper and lower molds is low, the sealing effect between the two will be poor, resulting in deformation of the material, making the material unable to be processed and used in subsequent processing. New materials need to be made, which affects work efficiency and increases the production cost of the materials, resulting in poor results. Summary of the Invention

[0004] The purpose of the utility model is to provide a sealing connection structure between the upper and lower molds of a mold, so as to solve the problem in the prior art that if the processing accuracy of the upper and lower molds is low, the sealing effect between the two will be poor, resulting in deformation of the material, making the material unable to be subsequently processed and used, and requiring new materials to be remade, which affects work efficiency, increases the production cost of the material, and the effect of use is not very good.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sealing connection structure between the upper and lower molds of the mold, comprising an upper mold and a lower mold, a pressure block and a rubber ring are fixedly installed on the bottom of the upper mold, four positioning blocks are fixedly installed on the bottom of the upper mold, and a connecting structure is provided on both sides of the upper mold and the lower mold, and the connecting structure includes two L-shaped pressure plates and two fixed frames, the two L-shaped pressure plates are fixedly installed on both sides of the upper mold, and the two fixed frames are fixedly installed on both sides of the lower mold, and the inner sides of the two fixed frames are rotatably installed with a No. 1 gear, and the outer sides of the two No. 1 gears are meshed and connected with racks, and the two racks are respectively arranged on the inner sides of the two fixed frames and are in sliding contact with the two fixed frames respectively, and two return springs are fixedly installed on the inner sides of the two fixed frames, one end of the two return springs is fixedly connected to the rack, and the set return spring can drive the rack to move when the upper mold moves up after the pressing is completed, so that the U-shaped plates on both sides are automatically reset, thereby releasing the clamping effect of the U-shaped plates.

[0006] Preferably, a rotating shaft is fixedly installed on one side of the two No. 1 gears, and the two rotating shafts respectively pass through two fixed frames to fix the No. 1 bevel gears.

[0007] Preferably, two fixing seats are fixedly installed on one side of the two fixing frames, a connecting shaft is rotatably installed between the two fixing seats, a second bevel gear is fixedly installed on the outer side of the connecting shaft, and the first bevel gear and the second bevel gear are meshed and connected.

[0008] Preferably, both ends of the connecting shaft pass through two fixed seats and are fixedly installed with screws, the outer sides of the two screws are threadedly connected to moving blocks, one end of the screw is fixedly installed with a limiting plate, and the top of the moving block is fixedly installed with an L-shaped connecting plate, four L-shaped connecting plates are grouped in pairs, and a U-shaped plate is fixedly installed between each group of L-shaped connecting plates, and a rubber sealing gasket is fixedly installed on the inner side of the U-shaped plate to effectively seal the connection between the upper mold and the lower mold.

[0009] Preferably, the two L-shaped pressing plates are respectively arranged at the top positions of the two racks, and the size of one side of the L-shaped pressing plate is the same as the size of the rack.

[0010] Preferably, a circular groove is provided on the top of the lower mold, and the rubber ring and the circular groove are adaptively matched.

[0011] Preferably, four square positioning grooves are provided on the top of the lower mold, and the four positioning blocks are adaptively matched with the four square positioning grooves respectively.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] The present application drives the two No. 2 bevel gears to mesh and rotate by rotating the two No. 1 bevel gears, thereby driving the two connecting shafts to rotate, thereby driving the screws at both ends of the two connecting shafts to rotate, so that the two sets of moving blocks move in relative directions, thereby driving the two U-shaped plates to move accordingly through the four L-shaped connecting plates, squeezing and clamping the connecting part of the upper mold and the lower mold during pressing, thereby sealing the connection between the upper mold and the lower mold, further improving the sealing effect in the pressed state, preventing deformation during material processing, and improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall structure of the sealing connection structure between the upper and lower molds of the utility model;

[0015] Figure 2 This is a schematic structural diagram of the upper mold portion of the sealing connection structure between the upper mold and the lower mold of the utility model;

[0016] Figure 3This is a schematic structural diagram of the lower mold portion of the sealing connection structure between the upper mold and the lower mold of the utility model;

[0017] Figure 4 This is a cross-sectional view of the fixed frame structure of the sealing connection structure between the upper and lower molds of the utility model.

[0018] Numbers in the figure: 1. Upper mold; 2. Lower mold; 3. Pressure block; 4. Rubber ring; 5. Positioning block; 6. L-shaped pressure plate; 7. Fixed frame; 8. Gear No. 1; 9. Return spring; 10. Rack; 11. Rotating shaft; 12. Bevel gear No. 1; 13. Fixed seat; 14. Connecting shaft; 15. Bevel gear No. 2; 16. Screw; 17. Moving block; 18. Limiting plate; 19. L-shaped connecting plate; 20. U-shaped plate. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] Example: Figure 1 - Figure 4 As shown, the utility model provides a technical solution for a sealing connection structure between an upper mold and a lower mold, comprising an upper mold 1 and a lower mold 2, a pressure block 3 and a rubber ring 4 being fixedly installed on the bottom of the upper mold 1, four positioning blocks 5 being fixedly installed on the bottom of the upper mold 1, and a connection structure being provided on both sides of the upper mold 1 and the lower mold 2, the connection structure comprising two L-shaped pressure plates 6 and two fixed frames 7, the two L-shaped pressure plates 6 being fixedly installed on both sides of the upper mold 1, the two fixed frames 7 being fixedly installed on both sides of the lower mold 2, the inner sides of the two fixed frames 7 being rotatably installed with a No. 1 gear 8, the outer sides of the two No. 1 gears 8 being meshed and connected with a rack 10, the two racks 10 being respectively provided on the inner sides of the two fixed frames 7 and respectively in sliding contact with the two fixed frames 7, the inner sides of the two fixed frames 7 being fixedly installed with two return springs 9, one end of the two return springs 9 being fixedly connected to the rack 10.

[0021] A rotating shaft 11 is fixedly mounted on one side of the two number one gears 8 . The two rotating shafts 11 pass through the two fixed frames 7 and are fixedly mounted with number one bevel gears 12 .

[0022] Two fixing seats 13 are fixedly installed on one side of the two fixing frames 7. A connecting shaft 14 is rotatably installed between the two fixing seats 13. A second bevel gear 15 is fixedly installed on the outer side of the connecting shaft 14. The first bevel gear 12 and the second bevel gear 15 are meshed and connected.

[0023] The two ends of the connecting shaft 14 pass through the two fixed seats 13 respectively and are fixedly installed with screws 16. The outer sides of the two screws 16 are threadedly connected to moving blocks 17. One end of the screw 16 is fixedly installed with a limiting plate 18. The top of the moving block 17 is fixedly installed with an L-shaped connecting plate 19. The four L-shaped connecting plates 19 are grouped in pairs, and a U-shaped plate 20 is fixedly installed between each group of L-shaped connecting plates 19.

[0024] The two L-shaped pressing plates 6 are respectively arranged at the top positions of the two racks 10 , and the size of one side of the L-shaped pressing plate 6 is the same as that of the rack 10 .

[0025] A circular groove is provided on the top of the lower mold 2 , and the rubber ring 4 is adaptively matched with the circular groove.

[0026] Four square positioning grooves are provided on the top of the lower mold 2 , and the four positioning blocks 5 are adaptively matched with the four square positioning grooves respectively.

[0027] It should be noted that the present invention is a sealed connection structure between the upper and lower molds. During use, when the molds are pressed together, the rubber ring 4 at the bottom of the upper mold 1 enters the annular groove at the top of the lower mold 2. As the pressure acts, the rubber ring 4 is squeezed, thereby filling the annular groove, thereby performing a preliminary sealing process between the upper mold 1 and the lower mold 2.

[0028] During the pressing process, the L-shaped pressure plates 6 on both sides of the upper mold 1 will press down the two racks 10 to drive the two No. 1 gears 8 to rotate, thereby driving the two No. 1 bevel gears 12 to rotate, and making the two No. 2 bevel gears 15 mesh and rotate, to drive the two connecting shafts 14 to rotate, thereby driving the screws 16 at both ends of the two connecting shafts 14 to rotate, so that the two sets of moving blocks 17 move in relative directions, thereby driving the two U-shaped plates 20 to move accordingly through the four L-shaped connecting plates 19, and squeezing and clamping the connecting parts of the upper mold 1 and the lower mold 2 during pressing, so as to seal the connection between the upper mold 1 and the lower mold 2, further improving the sealing effect in the pressing state, preventing deformation during material processing, and improving the practicality of the device.

[0029] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. The sealed connection structure between the upper and lower molds is characterized by: The invention comprises an upper mold (1) and a lower mold (2), wherein a pressure block (3) and a rubber ring (4) are fixedly installed at the bottom of the upper mold (1), and four positioning blocks (5) are fixedly installed at the bottom of the upper mold (1). A connecting structure is provided on both sides of the upper mold (1) and the lower mold (2), and the connecting structure comprises two L-shaped pressure plates (6) and two fixed frames (7). The two L-shaped pressure plates (6) are fixedly installed on both sides of the upper mold (1), and the two fixed frames (7) are fixedly installed on both sides of the lower mold (2). A No. 1 gear (8) is rotatably installed on the inner sides of the two fixed frames (7), and the outer sides of the two No. 1 gears (8) are meshed and connected with racks (10). The two racks (10) are respectively provided on the inner sides of the two fixed frames (7) and are in sliding contact with the two fixed frames (7). Two return springs (9) are fixedly installed on the inner sides of the two fixed frames (7), and one end of the two return springs (9) is fixedly connected to the rack (10).

2. The sealed connection structure between the upper and lower molds according to claim 1, characterized in that: A rotating shaft (11) is fixedly mounted on one side of each of the two first gears (8), and the two rotating shafts (11) respectively penetrate two fixed frames (7) and are fixedly mounted with a first bevel gear (12).

3. The sealed connection structure between the upper and lower molds according to claim 2, characterized in that: Two fixing seats (13) are fixedly installed on one side of the two fixing frames (7), a connecting shaft (14) is rotatably installed between the two fixing seats (13), a second bevel gear (15) is fixedly installed on the outer side of the connecting shaft (14), and the first bevel gear (12) and the second bevel gear (15) are meshed and connected.

4. The sealed connection structure between the upper and lower molds according to claim 3, characterized in that: Both ends of the connecting shaft (14) pass through the two fixing seats (13) and are fixedly installed with screw rods (16). The outer sides of the two screw rods (16) are threadedly connected to the moving blocks (17). One end of the screw rod (16) is fixedly installed with a limit plate (18). The top of the moving block (17) is fixedly installed with an L-shaped connecting plate (19). The four L-shaped connecting plates (19) are grouped in pairs, and a U-shaped plate (20) is fixedly installed between each group of L-shaped connecting plates (19).

5. The sealed connection structure between the upper and lower molds according to claim 1, characterized in that: The two L-shaped pressing plates (6) are respectively arranged at the top positions of the two racks (10), and the size of one side of the L-shaped pressing plate (6) is the same as the size of the rack (10).

6. The sealed connection structure between the upper and lower molds according to claim 1, characterized in that: A circular groove is provided on the top of the lower mold (2), and the rubber ring (4) is adaptively matched with the circular groove.

7. The sealed connection structure between the upper and lower molds according to claim 1, characterized in that: Four square positioning grooves are provided on the top of the lower mold (2), and the four positioning blocks (5) are adaptively matched with the four square positioning grooves respectively.

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