Salt core pressing die with proportional cavity design

Abstract

The utility model relates to the technical field of die pressing, and discloses a salt core pressing die with a proportional cavity design, which comprises a main body, the top of the main body is connected with a pressed block in a sliding manner, the side surface of the pressed block is fixedly connected with a connecting rod, the connecting rod is connected to the side surface of the main body in a penetrating manner, and the top of the main body is fixedly connected with the connecting rod. According to the salt core pressing die with the proportional cavity design, by arranging the pressing mechanism, rapid and standardized die manufacturing of raw materials is achieved, the die manufacturing efficiency and quality can be improved, and the salt core pressing die has the advantages of being high in practicability, convenient to use and high in practicability. The compression column is attached to the arc in the middle of the main body and the arc groove in the lower portion of the compression block so that a standardized mold can be manufactured, equipment can be reset through the reset effect of the connecting rod and the compression spring after manufacturing is completed, repeated use of the equipment is facilitated, and the number of operation steps is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of mold pressing, in particular to a salt core pressing mold with a proportional cavity design. Background Art

[0002] With the development of industrialization, castings with cavity structures can further improve the structural rigidity of castings and reduce component weight, meeting the requirements of lightweight vehicles. By applying salt core technology, the currently widely used high-pressure casting production technology can be adapted to the casting requirements of cavity structure castings.

[0003] At present, most of the salt core pressing equipment on the market has a simple structure and a single function, which cannot meet the growing market requirements. During the mold making process, it is easy for the produced molds to fail to meet the use requirements due to unreasonable equipment, and it is very easy to cause damage to the products during transportation and storage. It is not conducive to reducing costs, improving production efficiency, and is not conducive to the smooth and orderly operation of production and business activities. Summary of the Invention

[0004] The purpose of the utility model is to provide a salt core pressing die with a proportional cavity design to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a salt core pressing mold with a proportional cavity design, comprising a main body, a pressure block slidably connected to the top of the main body, a connecting rod fixedly connected to the side of the pressure block, the connecting rod passing through and connected to the side of the main body, a pressure spring wound around the outer wall of the connecting rod, a lubrication mechanism provided inside the main body, a solution tank provided on the side of the main body, a pressing mechanism provided above the main body, the top of the pressing mechanism fixedly connected to the bottom of the connecting column, the top of the connecting column rotatably connected to the outer wall of the rotating shaft, the outer side of the rotating shaft rotatably connected to the side of the pressing rod, the middle part of the pressing rod is hingedly connected to the top of the fixed column, and the pressing mechanism comprises:

[0006] A sliding groove, wherein the top of the sliding groove is fixedly connected to the bottom of the connecting column, the two sides of the sliding groove are fixedly connected with ladder-shaped blocks, the sliding block is slidably connected inside the sliding groove, and the two sides of the sliding block are fixedly connected with sliding rods;

[0007] Arc slide, the side of the sliding groove is provided with an arc slide, the inside of the arc slide is slidably connected with a sliding rod, the top of the sliding block is fixedly connected to the bottom of the telescopic rod, the top of the telescopic rod is fixedly connected to the top of the inner wall of the sliding groove, the bottom of the sliding block is fixedly connected to the top of the fixing plate, and the side of the fixing plate is penetrated and connected with a rotating rod;

[0008] The pressing column is arranged below the sliding block, the side of the pressing column is fixedly connected to one side of the rotating rod, the other side of the rotating rod is fixedly connected to a gear, the back side of the main body is fixedly connected to one side of the fixed plate, the other side of the fixed plate is fixedly connected to a toothed plate, and the gear and the toothed plate are meshed and connected.

[0009] Preferably, a lubrication mechanism is provided inside the main body, and the lubrication mechanism includes a water inlet pipe. The water inlet pipe is connected to the side of the main body, one side of the water inlet pipe is connected to the side of the solution tank, and the other side of the water inlet pipe is fixedly connected to the side of the water inlet trough. By setting up the lubrication mechanism, the mold can be coated with lubricating liquid to protect it from wear.

[0010] Preferably, a pressure groove is provided in the middle section of the water inlet groove, and a sloped piston is slidably connected to the inside of the pressure groove. The sloped piston is slidably connected to the pressure groove and the inner wall of the water inlet groove. A pressing plate is fixedly connected to the outer wall of the sloped piston. The side of the pressing plate is fixedly connected to one side of the pressing spring, and the other side of the pressing spring is fixedly connected to the inner wall of the pressure groove. By setting the sloped piston, the liquid in the water inlet groove is squeezed to accelerate the flow of the internal liquid.

[0011] Preferably, a telescopic rod is fixedly connected to the top of the sliding block, and the telescopic rod includes an outer sleeve, the outer side of the outer sleeve is fixedly connected to the top of the sliding block, the inner side of the outer sleeve is provided with an opening, the inside of the opening is slidably connected to an inner connecting rod, and both sides of the inner connecting rod are fixedly connected to a pressure platform, the pressure platform is fixedly connected to one side of the return spring, and the other side of the return spring is fixedly connected to the inner wall of the outer sleeve. By setting the telescopic rod, the pressing column is connected to press the lower body to press the mold, and at the same time, the pressing column is buffered to protect the equipment.

[0012] Preferably, a pressure inclined surface is provided on the outside of the pressure block, and the pressure inclined surface is located below the trapezoidal clamping block. A limiting groove is provided below the pressure inclined surface on the main body. One side of the water inlet groove is provided inside the arc groove in the middle section of the main body, and the other side of the water inlet groove is provided inside the limiting groove. The inclined surface part of the inclined surface piston is slidably connected to the connection point between the water inlet groove and the limiting groove. The pressure inclined surface is provided to connect the mold for extrusion, wrapping and shaping.

[0013] Preferably, a pressing column is provided below the sliding block, and the pressing column is located above the central axis of the main body, and the arc grooves provided in the middle of the main body and below the middle of the pressure block are fitted with the outer wall of the pressing column.

[0014] Compared with the prior art, the present invention provides a salt core pressing die with a proportional cavity design, which has the following beneficial effects:

[0015] 1. The salt core pressing mold with the proportional cavity design plays a role in rapid and standardized mold production of raw materials by setting a pressing mechanism, which is beneficial to improving the efficiency and quality of mold production. The arrangement of the pressure column fits the arc in the middle of the main body and the arc groove below the pressure block, which is conducive to the production of standardized molds. The reset function of the connecting rod and the pressure spring is conducive to resetting the equipment after the production is completed, which is conducive to the reuse of the equipment and reduces the number of operating steps.

[0016] 2. The salt core pressing mold with this proportional cavity design has a lubrication mechanism to lubricate the outer surface of the mold, which prevents the mold from being worn during transportation. At the same time, the lubricating liquid also isolates oxygen to prevent the mold from oxidation and rusting, which is beneficial to the storage and transportation of the mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a front view of the overall structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the back of the overall structure of the utility model;

[0019] Figure 3 This is a schematic cross-sectional view of a partial structure of the pressing mechanism of the utility model;

[0020] Figure 4 This is a partial structural diagram of the lubrication mechanism of the utility model;

[0021] Figure 5 This is a schematic cross-sectional view of a portion of the structure of the lubrication mechanism of the utility model;

[0022] Figure 6 This is a schematic cross-sectional view of the telescopic rod structure of the present utility model.

[0023] In the figure: 1. main body; 2. pressure block; 3. connecting rod; 4. pressure spring; 5. lubrication mechanism; 6. solution tank; 7. pressing mechanism; 8. connecting column; 9. rotating shaft; 10. pressure rod; 11. limiting groove; 12. fixing column; 21. pressure inclined surface; 51. water inlet pipe; 52. water inlet groove; 53. pressure groove; 54. inclined piston; 55. pressing plate; 56. pressing spring; 71. sliding groove; 72. ladder-shaped block; 73. sliding block; 74. sliding rod; 75. arc sliding groove; 76. telescopic rod; 77. fixing plate; 78. rotating rod; 79. pressing column; 710. gear; 711. fixing plate; 712. tooth plate; 7601. outer sleeve; 7602. opening; 7603. inner connecting rod; 7604. pressure platform; 7605. return spring. DETAILED DESCRIPTION

[0024] like Figure 1-6As shown, the utility model provides a technical solution: a salt core pressing mold with a proportional cavity design, including a main body 1, a pressure block 2 is slidably connected to the top of the main body 1, a connecting rod 3 is fixedly connected to the side of the pressure block 2, the connecting rod 3 is connected through the side of the main body 1, a pressure spring 4 is wound around the outer wall of the connecting rod 3, a lubrication mechanism 5 is provided inside the main body 1, a solution tank 6 is provided on the side of the main body 1, a pressing mechanism 7 is provided above the main body 1, the top of the pressing mechanism 7 is fixedly connected to the bottom of the connecting column 8, the top of the connecting column 8 is rotatably connected to the outer wall of the rotating shaft 9, the outer side of the rotating shaft 9 is rotatably connected to the side of the pressing rod 10, and the middle part of the pressing rod 10 is hingedly connected to the top of the fixed column 12.

[0025] The pressing mechanism 7 includes a sliding groove 71, the top of the sliding groove 71 is fixedly connected to the bottom of the connecting column 8, the two sides of the sliding groove 71 are fixedly connected with a ladder-shaped block 72, the sliding groove 71 is internally slidably connected with a sliding block 73, the two sides of the sliding block 73 are fixedly connected with a sliding rod 74, an arc sliding groove 75, the side of the sliding groove 71 is provided with an arc sliding groove 75, the arc sliding groove 75 is internally slidably connected with a sliding rod 74, the top of the sliding block 73 is fixedly connected to the bottom of the telescopic rod 76, and the top of the telescopic rod 76 is fixedly connected At the top of the inner wall of the sliding groove 71, the bottom of the sliding block 73 is fixedly connected to the top of the fixed plate 77, and the side of the fixed plate 77 is connected with a rotating rod 78 and a pressing column 79. The pressing column 79 is arranged below the sliding block 73, and the side of the pressing column 79 is fixedly connected to one side of the rotating rod 78. The other side of the rotating rod 78 is fixedly connected to a gear 710. The back of the main body 1 is fixedly connected to one side of the fixed plate 711, and the other side of the fixed plate 711 is fixedly connected to a tooth plate 712. The gear 710 and the tooth plate 712 are meshed and connected. A telescopic rod 76 is fixedly connected to the top of the sliding block 73, and the telescopic rod 76 includes an outer sleeve 7601. The outer side of the outer sleeve 7601 is fixedly connected to the top of the sliding block 73. An opening 7602 is provided on the inner side of the outer sleeve 7601. An inner connecting rod 7603 is slidably connected to the inside of the opening 7602. Pressure platforms 7604 are fixedly connected on both sides of the inner connecting rod 7603. The pressure platform 7604 is fixedly connected to one side of the return spring 7605, and the other side of the return spring 7605 is fixedly connected to the inner wall of the outer sleeve 7601. By setting the pressing mechanism 7, the raw materials can be pressed and formed.

[0026] The lubrication mechanism 5 includes a water inlet pipe 51, which is connected to the side of the main body 1. One side of the water inlet pipe 51 is connected to the side of the solution tank 6, and the other side of the water inlet pipe 51 is fixedly connected to the side of the water inlet tank 52. A pressure groove 53 is opened in the middle of the water inlet tank 52, and a ramp piston 54 is slidably connected inside the pressure groove 53. The ramp piston 54 is slidably connected to the pressure groove 53 and the inner wall of the water inlet tank 52. A pressing plate 55 is fixedly connected to the outer wall of the ramp piston 54. The side of the pressing plate 55 is fixedly connected to one side of the pressing spring 56, and the other side of the pressing spring 56 is fixedly connected to the inner wall of the pressure groove 53. A pressure-bearing inclined surface 21 is provided on the outside of the pressure block 2. The pressure-bearing inclined surface 21 is located below the trapezoidal block 72. A limiting groove 11 is provided below the pressure-bearing inclined surface 21 of the main body 1. One side of the water inlet groove 52 is provided inside the arc-shaped groove in the middle section of the main body 1, and the other side of the water inlet groove 52 is provided inside the limiting groove 11. The inclined surface portion of the inclined piston 54 is slidably connected to the connection between the water inlet groove 52 and the limiting groove 11. A pressing column 79 is provided below the sliding block 73. The pressing column 79 is located above the central axis of the main body 1. The arc-shaped grooves provided in the middle of the main body 1 and below the middle of the pressure block 2 are in contact with the outer wall of the pressing column 79. The lubrication mechanism 5 is provided to connect the material to be pressed and formed while lubricating the outer wall of the workpiece to protect it from wear.

[0027] Working principle: By lifting the outer side of the pressure rod 10, the sliding groove 71 and the trapezoidal block 72 are squeezed downward under the action of the lever, so that the pressing column 79 below is stuck in the arc groove in the middle of the main body 1, and the trapezoidal blocks 72 on both sides of the sliding groove 71 squeeze the pressure inclined surface 21 opened on the pressure block 2 so that the two pressure blocks 2 above the main body 1 move toward the middle of the main body 1 at the same time, so that the arc part below the pressure block 2 and the arc part in the middle of the main body 1 form a closed loop circle, and the outer wall of the pressing column 79 is fitted and connected to the inner wall of the closed loop circle, thereby achieving the effect of pressing and molding the raw material. After the model is completed, the sliding block 79 is pressed by pressing the pressure rod 10. 73 is lifted, and the pressure block 2 is reset by the pressure spring 4 wound around the outer wall of the connecting rod 3 on both sides, so that the equipment can be reused. While the material is being pressed and molded, the trapezoidal block 72 squeezes the inclined piston 54 to make the inclined piston 54 slide on the inner wall of the water inlet groove 52, thereby driving the lubricating liquid in the solution tank 6 to flow into the arc inside the middle section of the main body 1 through the water inlet pipe 51 and the water inlet groove 52, and then the mold on the outer wall of the pressing column 79 is rotated when the gear 710 and the rack are engaged, so that the outer wall of the mold is evenly coated with lubricating liquid, thereby protecting the mold from wear.

[0028] The above generally describes the present invention in detail. However, it is obvious to those skilled in the art that modifications or improvements may be made to the present invention. Therefore, modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A salt core pressing die with a proportional cavity design, comprising a main body (1), characterized in that: The top of the main body (1) is slidably connected to a pressure block (2), and the side of the pressure block (2) is fixedly connected to a connecting rod (3), the connecting rod (3) is connected through the side of the main body (1), and a pressure spring (4) is wound around the outer wall of the connecting rod (3). A lubrication mechanism (5) is provided inside the main body (1), and a solution tank (6) is provided on the side of the main body (1). A pressing mechanism (7) is provided above the main body (1), and the top of the pressing mechanism (7) is fixedly connected to the bottom of the connecting column (8), and the top of the connecting column (8) is rotatably connected to the outer wall of the rotating shaft (9). The outer side of the rotating shaft (9) is rotatably connected to the side of the pressing rod (10), and the middle part of the pressing rod (10) is hingedly connected to the top of the fixed column (12). The pressing mechanism (7) includes: A sliding groove (71), wherein the top of the sliding groove (71) is fixedly connected to the bottom of the connecting column (8), the two sides of the sliding groove (71) are fixedly connected with ladder-shaped blocks (72), the interior of the sliding groove (71) is slidably connected with a sliding block (73), and the two sides of the sliding block (73) are fixedly connected with sliding rods (74); A circular arc slide groove (75), a circular arc slide groove (75) is opened on the side of the sliding groove (71), a sliding rod (74) is slidably connected inside the circular arc slide groove (75), the top of the sliding block (73) is fixedly connected to the bottom of the telescopic rod (76), the top of the telescopic rod (76) is fixedly connected to the top of the inner wall of the sliding groove (71), the bottom of the sliding block (73) is fixedly connected to the top of the fixed plate (77), and the side of the fixed plate (77) is penetrated and connected with a rotating rod (78); A pressing column (79) is provided below the sliding block (73); a side surface of the pressing column (79) is fixedly connected to one side of the rotating rod (78); a gear (710) is fixedly connected to the other side of the rotating rod (78); a back surface of the main body (1) is fixedly connected to one side of a fixed plate (711); a toothed plate (712) is fixedly connected to the other side of the fixed plate (711); and the gear (710) and the toothed plate (712) are meshedly connected.

2. The salt core pressing die with a proportional cavity design according to claim 1, characterized in that: A lubricating mechanism (5) is provided inside the main body (1), and the lubricating mechanism (5) includes a water inlet pipe (51). The water inlet pipe (51) is connected to the side of the main body (1). One side of the water inlet pipe (51) is connected to the side of the solution tank (6), and the other side of the water inlet pipe (51) is fixedly connected to the side of the water inlet tank (52).

3. The salt core pressing die with a proportional cavity design according to claim 2, characterized in that: A pressure groove (53) is provided in the middle section of the water inlet groove (52), and a sloped piston (54) is slidably connected inside the pressure groove (53). The sloped piston (54) is slidably connected to the pressure groove (53) and the inner wall of the water inlet groove (52). A pressing plate (55) is fixedly connected to the outer wall of the sloped piston (54). The side of the pressing plate (55) is fixedly connected to one side of a pressing spring (56), and the other side of the pressing spring (56) is fixedly connected to the inner wall of the pressure groove (53).

4. The salt core pressing die with a proportional cavity design according to claim 1, characterized in that: The top of the sliding block (73) is fixedly connected to a telescopic rod (76), and the telescopic rod (76) includes an outer sleeve (7601). The outer side of the outer sleeve (7601) is fixedly connected to the top of the sliding block (73). The inner side of the outer sleeve (7601) is provided with an opening (7602). The inner side of the opening (7602) is slidably connected to an inner connecting rod (7603). Both sides of the inner connecting rod (7603) are fixedly connected to pressure platforms (7604). The pressure platform (7604) is fixedly connected to one side of a return spring (7605), and the other side of the return spring (7605) is fixedly connected to the inner wall of the outer sleeve (7601).

5. The salt core pressing die with a proportional cavity design according to claim 3, characterized in that: A pressure-bearing inclined surface (21) is provided on the outside of the pressure block (2), and the pressure-bearing inclined surface (21) is located below the trapezoidal block (72). A limiting groove (11) is provided on the main body (1) below the pressure-bearing inclined surface (21). One side of the water inlet groove (52) is provided inside the arc groove in the middle section of the main body (1), and the other side of the water inlet groove (52) is provided inside the limiting groove (11). The inclined surface portion of the inclined surface piston (54) is slidably connected to the connection point between the water inlet groove (52) and the limiting groove (11).

6. The salt core pressing die with a proportional cavity design according to claim 1, characterized in that: A pressing column (79) is provided below the sliding block (73), and the pressing column (79) is located above the central axis of the main body (1). The arc grooves provided below the central part of the main body (1) and the central part of the pressure block (2) are in contact with the outer wall of the pressing column (79).

Images