Heat exchanger pressure test plate forming structure

Abstract

The utility model discloses a heat exchanger pressure test plate forming structure which comprises a fixed die holder and a movable die holder of a pressure test plate formed through die casting, and further comprises an installation mechanism which comprises an installation seat, a lifting air cylinder, a fixed block, a movable air cylinder, an installation block and a bottom plate connected with the bottom of the fixed die holder. The fixing blocks are installed in the upper corner positions of the side edges of the bottom plate, the separation blocks are arranged on the inner surface of the middle of the side edges of the bottom plate, the two ends of the movable air cylinder are connected with the separation blocks and the installation blocks correspondingly, and the electromagnets are arranged in the installation blocks. A contraction spring, a vibration isolation rubber plate and a flexible plate are arranged on the surface of the mounting seat; the design that the fixed mold base is lifted to facilitate rapid replacement is adopted, the lifting air cylinder lifts the bottom plate and the fixed mold base, the electromagnet is powered off, the movable air cylinder is shortened, the mounting block and the electromagnet move and leave the interior of the fixed block, the bottom plate and the lifting air cylinder are separated from each other in a connected state, and the fixed mold base can be rapidly replaced.

Description

Technical Field

[0001] The utility model belongs to the technical field of heat exchanger manufacturing and molding devices, and in particular relates to a heat exchanger pressure test plate molding structure. Background Art

[0002] Plate heat exchanger is a kind of heat exchange equipment widely used in chemical, petroleum, pharmaceutical and other industries. Plate heat exchanger is mainly composed of plates, gaskets, fixed pressure plates, movable pressure test fastening plates, guide rods, clamping studs and nuts, pillars, intermediate partitions and other parts. The pressure test of plate heat exchanger mainly checks whether the sealing performance of gaskets between plates meets the use requirements. The movable pressure test fastening plate can move freely during the operation of the heat exchanger and ensure the sealing between adjacent plates, and can complete the pressure test inspection operation. The movable pressure test fastening plate is a conventional metal plate, which is generally manufactured by die casting technology. The die casting mold is a commonly used molding tool in die casting technology.

[0003] The die-casting mold mainly includes a fixed mold base and a movable mold base. The movable mold base is molded together with the fixed mold base, and the molten metal is pressed into the cavity of the fixed mold precision metal mold at high speed by high pressure. The molten metal is cooled and solidified under pressure to form a casting. The manufacturing method of the movable test pressure fastening plate is a conventional technical means. The fixed mold base is usually fixed to the molding equipment by bolts. It is inconvenient to disassemble the fixed mold base, and it cannot be easily replaced according to different processing requirements; when the movable mold base is in use, there is a problem of no design to lift the fixed mold base for quick replacement. For this reason, the present application proposes a heat exchanger test pressure plate molding structure. Utility Model Content

[0004] The utility model aims to provide a heat exchanger test plate molding structure to solve the problem in the background art that the movable die seat has no design to lift the fixed die seat for quick replacement.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a heat exchanger test pressure plate molding structure, including a fixed mold seat and a movable mold seat of a die-casting test pressure plate, and also including a mounting mechanism, wherein the mounting mechanism includes a mounting seat, a lifting cylinder and a fixed block, a movable cylinder and a mounting block, and a base plate connected to the bottom of the fixed mold seat, the fixed block is installed inside the upper corner position of the side of the base plate, a partition block is provided on the inner surface in the middle of the side of the base plate, the two ends of the movable cylinder are respectively connected to the partition block and the mounting block, an electromagnet is provided inside the mounting block, a lifting cylinder passes through the top end of the mounting seat to set a limit block, the surface of the mounting seat is provided with a contraction spring, a vibration isolation rubber plate and a flexible plate, the vibration isolation rubber plate is distributed between the mounting seat and the flexible plate, the two ends of the contraction spring are respectively connected to the mounting seat and the flexible plate, and a clamping block is provided in the middle position of the surface of the flexible plate.

[0006] Preferably, a rectangular movable groove is provided on the bottom surface of the bottom plate side, and the partition block, movable cylinder, mounting block and fixed block are installed in the movable groove. A mounting groove is provided on the bottom surface of the fixed block, and the limit block is adapted to the gap of the mounting groove.

[0007] Preferably, a limiting groove is provided on the outer surface of the fixing block, the limiting groove is communicated with the mounting groove, the mounting block is a cubic structure with an open surface on one side, and the electromagnet is flush with the surface on the same side of the mounting block.

[0008] Preferably, a limiting column is provided on the surface of the mounting seat, and the contraction spring is sleeved on the outer side of the corresponding limiting column.

[0009] Preferably, a first circular hole is provided in the middle of the surface of the vibration-isolating rubber plate, and the contraction spring passes through the corresponding first circular hole.

[0010] Preferably, an elastic rubber plate is provided on the surface of the flexible plate, a rectangular groove for the card block to pass through is provided in the middle of the surface of the elastic rubber plate, the same square grooves are provided at the corners of the vibration isolation rubber plate and the elastic rubber plate, and a second circular hole for the lifting cylinder to pass through is provided at the corners of the mounting seat.

[0011] Preferably, the center of the groove above the vibration isolation rubber plate and the center of the second circular hole on the mounting seat are on the same axis, and a groove that matches the clearance of the block is provided on the bottom surface of the bottom plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] In the utility model, there is a design for lifting the fixed die seat for quick replacement, the lifting cylinder lifts the base plate and the fixed die seat, the electromagnet is powered off, the moving cylinder is shortened, the mounting block and the electromagnet move and leave the interior of the fixed block, the base plate and the lifting cylinder are separated from the connected state, the fixed die seat can be quickly replaced, and the assembly method of the fixed die seat is simple and easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a schematic cross-sectional structure diagram of the side position of the bottom plate of the utility model;

[0016] Figure 3 For the utility model Figure 2 A schematic diagram of the enlarged structure of the middle part A;

[0017] Figure 4 It is a three-dimensional structural schematic diagram of the fixing block of the utility model;

[0018] Figure 5 It is a schematic diagram of the top view structure of the flexible board of the utility model;

[0019] Figure 6 It is a schematic diagram of the top view of the mounting seat of the utility model;

[0020] In the figure: 1. fixed mold base; 2. movable mold base; 3. bottom plate; 4. mounting base; 6. lifting cylinder; 7. fixed block; 8. movable cylinder; 9. mounting block; 31. partition block; 41. contraction spring; 42. limit column; 51. vibration isolation rubber plate; 52. flexible plate; 53. clamping block; 61. limit block; 71. mounting slot; 72. limit slot; 91. electromagnet; 521. elastic rubber plate. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Example

[0023] See also Figures 1 to 6The utility model provides a technical solution: a heat exchanger pressure plate molding structure, including a fixed die seat 1 and a movable die seat 2 for die-casting the pressure plate, and also including a mounting mechanism. The principle of die-casting the fixed die seat 1 and the movable die seat 2 to manufacture the metal parts of the heat exchanger pressure plate is a conventional technical means, and this application will not be described in detail; the mounting mechanism includes a mounting seat 4, a lifting cylinder 6 and a fixed block 7, a moving cylinder 8 and a mounting block 9, and a bottom plate 3 connected to the bottom of the fixed die seat 1, the fixed block 7 is installed inside the upper corner position of the side of the bottom plate 3, and the bottom plate 3 A partition block 31 is provided on the inner surface in the middle of the side, the fixed block 7, the partition block 31 and the bottom plate 3 are combined by conventional means, the two ends of the mobile cylinder 8 are respectively connected to the partition block 31 and the mounting block 9, the mobile cylinder 8 is combined with the partition block 31 and the mounting block 9 by conventional means, an electromagnet 91 is provided inside the mounting block 9, the mobile cylinder 8 runs and becomes an extended elongated state, the mounting block 9 moves and is embedded in the limit block 61 to limit the limit block 61, the electromagnet 91 is turned on, and the electromagnet 91 further adsorbs and firmly fixes the limit block 61 , so that the split bottom plate 3 and the limit block 61 are firmly installed, which is convenient for disassembly and assembly of the bottom plate 3 and the fixed mold seat 1; the lifting cylinder 6 is provided with a limit block 61 at the top of the mounting seat 4, and the lifting cylinder 6 and the limit block 61 are combined by a conventional method. The lifting cylinder 6 runs and becomes an extended elongated state, and the limit block 61 and the bottom plate 3 are lifted and moved vertically upward, which is convenient for disassembly. The surface of the mounting seat 4 is provided with a contraction spring 41, a vibration isolation rubber plate 51 and a flexible plate 52. The vibration isolation rubber plate 51 is distributed between the mounting seat 4 and the flexible plate 52, and the vibration isolation rubber plate 5 1. The flexible plate 52 plays a vibration reduction role. The two ends of the contraction spring 41 are respectively connected to the mounting seat 4 and the flexible plate 52. The contraction spring 41 makes the flexible plate 52 flexibly contact the vibration isolation rubber plate 51. When the vibration isolation rubber plate 51 and the flexible plate 52 are fitted together, the contraction spring 41 is always in a contracted state. The contraction spring 41 does not undergo elastic changes visible to the naked eye. The contraction spring 41 does not produce obvious elastic changes on the fixed mold seat 1. A block 53 is provided in the middle position of the surface of the flexible plate 52. The block 53 is embedded in the interior of the bottom plate 3 to limit the bottom plate 3.

[0024] In this embodiment, a rectangular movable groove is provided on the bottom surface of the side of the base plate 3, and the partition block 31, the movable cylinder 8, the mounting block 9 and the fixed block 7 are installed in the movable groove. The bottom surface of the fixed block 7 is provided with a mounting groove 71, and the limit block 61 is gap-matched with the mounting groove 71. The outer surface of the fixed block 7 is provided with a limit groove 72, and the limit groove 72 is connected with the mounting groove 71. The mounting block 9 is a square structure with an open surface on one side. The electromagnet 91 is flush with the surface on the same side of the mounting block 9. The movable cylinder 8 runs and becomes an extended and elongated state. The mounting block 9 moves and is embedded in the interior of the limit block 61 to limit the limit block 61. The electromagnet 91 is turned on, and the electromagnet 91 further adsorbs and firmly fixes the limit block 61, so that the split base plate 3 and the limit block 61 are firmly installed, which is convenient for disassembly and assembly of the base plate 3.

[0025] In this embodiment, a limiting column 42 is provided on the surface of the mounting seat 4 , and the contraction spring 41 is sleeved on the outer side of the corresponding limiting column 42 , and the contraction spring 41 is limited by the limiting column 42 .

[0026] In this embodiment, a first circular hole is provided in the middle position of the surface of the vibration isolation rubber plate 51, and the contraction spring 41 passes through the corresponding first circular hole. The contraction spring 41 passes through the vibration isolation rubber plate 51, and the contraction spring 41 makes the flexible plate 52 flexibly contact the vibration isolation rubber plate 51. The flexible plate 52 is made of metal material to prevent the flexible plate 52 from causing large wear to the vibration isolation rubber plate 51.

[0027] In this embodiment, an elastic rubber plate 521 is provided on the surface of the flexible plate 52, so that the base plate 3 and the flexible plate 52 are in flexible contact. A rectangular groove for the card block 53 to pass through is provided in the middle position of the surface of the elastic rubber plate 521, which is conducive to the card block 53 being directly embedded in the bottom plate 3. The same square grooves are provided at the corners of the vibration isolation rubber plate 51 and the elastic rubber plate 521. A second circular hole for the lifting cylinder 6 to pass through is provided at the corner of the mounting seat 4. The fixing block 7 is matched with the square groove clearance, and the fixing block 7 is embedded in the square groove.

[0028] In this embodiment, the center of the groove above the vibration isolation rubber plate 51 and the center of the second circular hole on the mounting seat 4 are on the same axis, and a groove that matches the clearance of the block 53 is provided on the bottom surface of the bottom plate 3. The block 53 is embedded in the interior of the bottom plate 3 to limit the bottom plate 3.

[0029] The working principle and use process of this utility model:

[0030] When replacing the fixed die seat 1, there is a design for lifting the fixed die seat 1 for quick replacement, the lifting cylinder 6 runs and changes to an extended state, the fixed block 7 and the base plate 3 are lifted and moved vertically upward, the electromagnet 91 is powered off, the electromagnet 91 and the limit block 61 change from an adsorption state to a loose state, the moving cylinder 8 runs and changes to a shortened state, the mounting block 9 and the electromagnet 91 move and leave the inside of the fixed block 7, the base plate 3 and the lifting cylinder 6 are separated from the connected state, the fixed die seat 1 can be quickly replaced, the vibration isolation rubber plate 51, the flexible plate 52 and the elastic rubber plate 521 play a vibration reduction role, so that the fixed die seat 1 and the mounting seat 4 are installed stably.

[0031] Although the embodiments of the present invention have been shown and described (see the above detailed description for details), 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. A heat exchanger pressure plate molding structure, comprising a fixed die seat (1) and a movable die seat (2) for die-casting a pressure plate, and also comprising a mounting mechanism, characterized in that: The mounting mechanism comprises a mounting seat (4), a lifting cylinder (6) and a fixed block (7), a moving cylinder (8) and a mounting block (9), and a bottom plate (3) connected to the bottom of the fixed mold seat (1); the fixed block (7) is mounted inside the corner position of the side of the bottom plate (3); a partition block (31) is provided on the inner surface in the middle of the side of the bottom plate (3); the two ends of the moving cylinder (8) are respectively connected to the partition block (31) and the mounting block (9); an electromagnet (91) is provided inside the mounting block (9); a limiting block (61) is provided at the top end of the lifting cylinder (6) passing through the mounting seat (4); a contraction spring (41), a vibration isolation rubber plate (51) and a flexible plate (52) are provided on the surface of the mounting seat (4); the vibration isolation rubber plate (51) is distributed between the mounting seat (4) and the flexible plate (52); the two ends of the contraction spring (41) are respectively connected to the mounting seat (4) and the flexible plate (52); a clamping block (53) is provided in the middle position of the surface of the flexible plate (52).

2. A heat exchanger pressure test plate forming structure according to claim 1, characterized in that: A rectangular movable groove is provided on the bottom surface of the side of the bottom plate (3), and the partition block (31), the movable cylinder (8), the mounting block (9) and the fixed block (7) are installed in the movable groove. A mounting groove (71) is provided on the bottom surface of the fixed block (7), and the limit block (61) is gap-matched with the mounting groove (71).

3. A heat exchanger pressure test plate forming structure according to claim 2, characterized in that: The outer surface of the fixing block (7) is provided with a limiting groove (72), the limiting groove (72) is communicated with the mounting groove (71), the mounting block (9) is a cubic structure with an open surface on one side, and the electromagnet (91) is flush with the surface on the same side of the mounting block (9).

4. The heat exchanger pressure test plate forming structure according to claim 1, characterized in that: A limiting column (42) is provided on the surface of the mounting seat (4), and a contraction spring (41) is sleeved on the outer side of the corresponding limiting column (42).

5. The heat exchanger pressure test plate forming structure according to claim 1, characterized in that: A first circular hole is provided in the middle of the surface of the vibration-isolating rubber plate (51), and the contraction spring (41) passes through the corresponding first circular hole.

6. The heat exchanger pressure test plate forming structure according to claim 1, characterized in that: An elastic rubber plate (521) is provided on the surface of the flexible plate (52), a rectangular groove for the block (53) to pass through is provided in the middle of the surface of the elastic rubber plate (521), the same square grooves are provided at the corners of the vibration isolation rubber plate (51) and the elastic rubber plate (521), and a second circular hole for the lifting cylinder (6) to pass through is provided at the corner of the mounting seat (4).

7. A heat exchanger pressure test plate forming structure according to claim 6, characterized in that: The center of the groove above the vibration-isolating rubber plate (51) and the center of the second circular hole on the mounting seat (4) are on the same axis, and a groove that is clearance-matched with the clamping block (53) is provided on the bottom surface of the bottom plate (3).

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