Pressing device for wave-shaped protective plate

By designing the slide forming technology of the press and die assembly, the problem of poor quality of corrugated guard plates in boiler maintenance was solved, the efficient production of small presses was achieved, and the mold cost and equipment requirements were reduced.

CN223440797UActive Publication Date: 2025-10-17SICHUAN HONGJIAN HEAVY MACHINERY MFG
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Patent Information

Application Number
CN202422663494.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-01
Publication Date
2025-10-17
Estimated Expiration
2034-11-01

AI Technical Summary

Technical Problem

The existing technology lacks a dedicated rolling production line during boiler maintenance, resulting in poor quality and high production costs of corrugated guard plates. The blanks cannot be moved freely and a large press is required.

Method used

A corrugated guard plate pressing device is designed, which adopts a press and die assembly, including a fixed upper die, a movable upper die, a lower die and an elastic part. Through the cooperation of the bolt pair and the elastic part, the sliding forming of the steel plate is realized to avoid stretching and thinning. The requirements can be met using a small press.

Benefits of technology

Ensure the thickness of the steel plate remains unchanged, the waveform is consistent, the appearance quality is beautiful, reduce the mold cost, is suitable for small presses, and meets the needs of single wave forming.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model is suitable for the technical field of industrial boiler manufacturing equipment, and provides a pressing device of a wave-shaped protection plate. Comprising a pressing machine and a pressing die assembly installed on the pressing machine, and the pressing die assembly comprises a fixed upper die installed on a pressing head of the pressing machine and a lower die installed on a workbench of the pressing machine; a movable upper die is mounted at the bottom of the fixed upper die and is mounted on the fixed upper die through a plurality of bolt pairs; a first bulge is arranged below the movable upper die; a first groove matched with the bulge is formed in the lower die right below the bulge; a base plate is further arranged between the movable upper die and the fixed upper die, a second protrusion is further arranged at the bottom of the fixed upper die, a second groove is further formed in the lower die, the structure of the first protrusion is the same as that of the second protrusion, and the structure of the first groove is the same as that of the second groove. And an elastic piece is also arranged between the movable upper die and the fixed upper die.
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Description

TECHNICAL FIELD

[0001] The utility model relates to industrial boiler manufacturing equipment technical field, specifically is a kind of pressing device of wave-shaped fender. BACKGROUND

[0002] Wave-shaped fender on industrial boiler is made by pressing wave shape with steel plate.It is called furnace wall fender when being arranged on furnace wall, and called ceiling fender when being arranged on ceiling.The number of wave-shaped fender required on a industrial boiler is large, and it is made by using special rolling production line, which has high efficiency and good quality, and is suitable for batch production and used when whole new industrial boiler is made.

[0003] When repairing boiler and replacing a small amount of wave-shaped fender, production line manufacturing is not suitable, and general boiler repair unit does not have wave-shaped fender rolling production line.

[0004] For the manufacturing of wave-shaped fender of industrial boiler, there are currently two methods.One is to make on special rolling production line, and the other is to make by using whole mold.

[0005] Making on special rolling production line has good quality, high efficiency and is suitable for batch production and used when whole new industrial boiler is made; making by using whole mold needs large press and mold, which has large investment, and blank cannot move freely during whole pressing, steel plate is stretched greatly, and the quality of pressed wave-shaped fender is not good.In order to solve the technical problem, a pressing device of wave-shaped fender is provided. CONTENT OF UTILITY MODEL

[0006] The utility model aims to provide a kind of pressing device of wave-shaped fender to solve the problems raised in the above background.

[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0008] A kind of pressing device of wave-shaped fender, comprising: press and the pressure mold component installed on the press, the pressure mold component includes the fixed upper die installed on the press head and the lower die installed on the press workbench;

[0009] The fixed upper die bottom is provided with movable upper die, the movable upper die is installed on the fixed upper die by a plurality of bolt pairs;First protrusion is provided below the movable upper die, the first recess matched with the protrusion is provided on the lower die below the protrusion;The elastic member is further provided between the movable upper die and the fixed upper die;The second protrusion is further provided on the bottom of the fixed upper die, and the second recess is further provided on the lower die, wherein the first protrusion and the second protrusion have the same structure, and the first recess and the second recess have the same structure;The elastic member is further provided between the movable upper die and the fixed upper die.

[0010] As a further solution of the present invention: a plurality of first through holes are provided on the movable upper die, a plurality of second through holes are provided on the fixed upper die, and the bolt pairs are provided in the first through holes and the second through holes.

[0011] As a further solution of the present invention: one end of the elastic member abuts against the first step at the lower part of the first through hole, and the other end of the elastic member abuts against the second step of the second through hole.

[0012] As a further solution of the present invention: a third step is provided on the first through hole, the third step is located below the first step, and the lower end of the bolt pair abuts against the third step.

[0013] As a further solution of the present invention: the elastic member can be a coil spring.

[0014] As a further solution of the present invention: the bolt pair includes a screw rod and a nut.

[0015] As a further solution of the present invention: the fixed upper die is mounted on the press head by bolts.

[0016] As a further solution of the present invention: the lower die is fixedly mounted on the press workbench by bolts.

[0017] Compared with the existing technology, the beneficial effects of the utility model are: single-wave forming can make the steel plate slide fully during the forming process, avoiding the steel plate from being stretched and thinned, ensuring that the thickness of the steel plate after forming remains almost unchanged, and ensuring the quality of the corrugated guard plate. Single-wave forming can reduce the mold size and reduce mold costs. The pressing force required for single-wave forming is small, and no large press is required. An ordinary small press can meet the requirements. All waves of the guard plate are formed or shaped by the same mold, which can ensure consistent waveforms, accurate and uniform wave spacing, and beautiful appearance quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic structural diagram of a die assembly in a pressing device for a corrugated guard plate according to an embodiment of the present invention.

[0019] Figure 2 A side view of a die assembly according to an embodiment of the present invention.

[0020] Figure 3 FIG. 1 is a diagram showing the first wave state of a die assembly pressed in accordance with an embodiment of the present invention.

[0021] Figure 4 A second wave state diagram is shown for the die assembly of an embodiment of the present invention.

[0022] Figure 5 The third wave state is pressed by the die assembly of the embodiment of the present invention Figure 1 .

[0023] Figure 6 The third wave state pressed by the pressing die assembly of the embodiment of the present application Figure 2 .

[0024] In the figure: 1-fixed upper die, 2-bolt pair, 3-elastic member, 4-plate, 5-movable upper die, 6-steel plate to be pressed, 7-lower die. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be apparently and completely described below with reference to the drawings in the embodiments of the present application. Apparently, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0026] Referring to Figures 1-6 , the structure diagram of the pressing die assembly in the pressing device of the wave-shaped protective plate is shown. Figure 1 The structure diagram of the pressing die assembly in the pressing device of the wave-shaped protective plate is shown. Figure 2 The side view of the pressing die assembly of the embodiment of the present application is shown. Figure 3 The first wave state pressed by the pressing die assembly of the embodiment of the present application is shown. Figure 4 The second wave state pressed by the pressing die assembly of the embodiment of the present application is shown. Figure 5 The third wave state pressed by the pressing die assembly of the embodiment of the present application Figure 1 . The third wave state pressed by the pressing die assembly of the embodiment of the present application is shown. Figure 6 The third wave state pressed by the pressing die assembly of the embodiment of the present application is shown. Figure 2 ; on the special rolling production line, the quality is good, the efficiency is high, and the batch production is suitable. When the industrial boiler is newly made, the whole die pressing is adopted. The large-scale press and the die are needed, the investment is large, and the blank cannot be freely moved during the whole pressing. The steel plate is stretched, and the quality of the pressed wave-shaped protective plate is not good. In order to solve the technical problem, a pressing device of a wave-shaped protective plate is provided.

[0027] Some embodiments of the present application will be described in detail below with reference to the drawings. In the case of no conflict, the following embodiments and the features in the embodiments can be combined with each other.

[0028] Embodiment 1

[0029] Referring to Figures 1-6 , the structure diagram of the pressing device of the wave-shaped protective plate provided by the embodiment 1 of the present application is shown. The pressing device of the wave-shaped protective plate comprises a press and a pressing die assembly installed on the press. The pressing die assembly comprises a fixed upper die 1 installed on the press head of the press and a lower die 7 installed on the workbench of the press.

[0030] The movable upper die 5 is installed on the fixed upper die 1 through a plurality of bolt pairs 2; a first protrusion is arranged below the movable upper die 5; a first groove matched with the first protrusion is arranged on the lower die 7 directly below the first protrusion; a gasket 4 is further arranged between the movable upper die 5 and the fixed upper die 1; a second protrusion is further arranged on the bottom of the fixed upper die 1; a second groove is further arranged on the lower die 7, wherein the first protrusion and the second protrusion have the same structure, and the first groove and the second groove have the same structure; and an elastic member 3 is further arranged between the movable upper die 5 and the fixed upper die 1.

[0031] It should be noted that the gasket 4 is arranged between adjacent bolt pairs 2, which facilitates disassembly.

[0032] The first protrusion and the first groove cooperate to press and form the steel plate 6 laid on the movable upper die 5.

[0033] The single-wave forming can make the steel plate fully slide in the forming process, avoid the steel plate from being stretched and thinned, ensure that the thickness of the steel plate after forming is almost unchanged, ensure the quality of the corrugated guard plate, reduce the size of the die, reduce the cost of the die, require small pressing force, and thus a large press is not required, and a common small press can meet the requirements.

[0034] As shown in Figure 1 As a preferred embodiment of the utility model, a plurality of first through holes are arranged on the movable upper die 5, a plurality of second through holes are arranged on the fixed upper die 1, the bolt pairs 2 are arranged in the first through holes and the second through holes, the movable upper die 5 is detachably installed on the fixed upper die 1 through the first through holes and the second through holes, and thus the movable upper die 5 can be replaced, so that different forming requirements can be met.

[0035] As a preferred embodiment of the utility model, one end of the elastic member 3 abuts against a first step at the lower part of the first through hole, and the other end of the elastic member 3 abuts against a second step of the second through hole. Through the arrangement of the elastic member 3, the movable upper die 5 can be easily disassembled.

[0036] As a preferred embodiment of the utility model, a third step is arranged on the first through hole and located below the first step, and the lower end of the bolt pair 2 abuts against the third step, so that the lower end of the bolt pair 2 is limited.

[0037] As a preferred embodiment of the utility model, the elastic member 3 can be a spiral spring.

[0038] As a preferred embodiment of the utility model, the grooves on the lower die 7 can be two.

[0039] As a preferred embodiment of the utility model, the bolt pair 2 includes a screw rod and a nut, wherein the nut is located above the fixed upper die 1, so as to facilitate disassembly.

[0040] As a preferred embodiment of the utility model, the fixed upper die 1 is mounted on the press head through bolts.

[0041] As a preferred embodiment of the utility model, the lower die 7 is fixedly mounted on the press table through bolts.

[0042] The working method of the utility model:

[0043] The upper surface of the fixed upper die 1 is connected with the press head, and the lower die 7 is fixed on the press table; the steel plate 6 to be pressed is placed on the lower die 7;

[0044] The press head is pressed down to drive the upper die 1 to move downward, and the first wave is pressed out by the movable upper die 5. Figure 3 )

[0045] The bolt pair 2 is loosened, and the backing plate 4 is taken out. The first wave that has been formed is pressed by the gravity and spring pressure of the movable upper die 5, and the second wave is pressed out by the fixed upper die 1. Figure 4 )

[0046] The press head is lifted to drive the upper die 1 to move upward, then the backing plate 4 is loaded, and the bolt pair 2 is tightened. The steel plate 6 with two waves pressed is moved by one wave distance. Then the press head is pressed down again, so that the movable upper die 5 presses the second wave. Figure 5 In this way, the second wave pressed by the fixed upper die 1 is shaped by the movable upper die, so that all the waves are consistent.

[0047] The bolt pair 2 is loosened, and the steel plate 6 to be pressed is taken out. The second wave that has been shaped is pressed by the gravity and spring pressure of the movable upper die 5, and the third wave is pressed out by the fixed upper die 1. Figure 6 )

[0048] The above process is repeated, and the pressing of all the waves on a steel plate can be completed.

[0049] In the description of the utility model, need understanding is, the term "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and so on the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawing, just is for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, therefore can not be understood as the limitation of the utility model.

[0050] In the utility model, unless another explicit provision and limitation, the terms "mount", "connect", "connect", "fix" and so on the terms should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be the communication of two elements or the interaction of two elements.For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0051] In the utility model, unless another explicit provision and limitation, the first feature is "on" or "under" the second feature can be the direct contact of the first and second features, or the indirect contact of the first and second features through intermediate medium.Moreover, the first feature "on", "above" and "on" the second feature can be the first feature directly above or obliquely above the second feature, or just indicate that the horizontal height of the first feature is higher than the second feature.The first feature "under", "below" and "under" the second feature can be the first feature directly below or obliquely below the second feature, or just indicate that the horizontal height of the first feature is less than the second feature.

[0052] Although the embodiments of the utility model have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary, and can not be understood as the limitation of the utility model, and ordinary skilled in the art can change, modify, replace and change the above-mentioned embodiments within the scope of the utility model.

Claims

1. A pressing device for a corrugated guard plate, characterized in that: include: A press and a die assembly mounted on the press, the die assembly comprising a fixed upper die (1) mounted on a press head and a lower die (7) mounted on a press workbench; A movable upper mold (5) is installed at the bottom of the fixed upper mold (1), and the movable upper mold (5) is installed on the fixed upper mold (1) through a plurality of bolt pairs (2); a first protrusion is provided below the movable upper mold (5), and a first groove matching the protrusion is provided on the lower mold (7) just below the protrusion; a pad (4) is also provided between the movable upper mold (5) and the fixed upper mold (1), a second protrusion is also provided at the bottom of the fixed upper mold (1), and a second groove is also provided on the lower mold (7), wherein the first protrusion and the second protrusion have the same structure, and the first groove and the second groove have the same structure; an elastic member (3) is also provided between the movable upper mold (5) and the fixed upper mold (1).

2. The pressing device for a corrugated guard plate according to claim 1, characterized in that: The movable upper die (5) is provided with a plurality of first through holes, the fixed upper die (1) is provided with a plurality of second through holes, and the bolt pairs (2) are arranged in the first through holes and the second through holes.

3. The pressing device for a corrugated guard plate according to claim 2, characterized in that: One end of the elastic member (3) abuts against the first step at the lower portion of the first through hole, and the other end of the elastic member (3) abuts against the second step of the second through hole.

4. A pressing device for a corrugated guard plate according to claim 3, characterized in that: A third step is provided on the first through hole, the third step is located below the first step, and the lower end of the bolt pair (2) abuts against the third step.

5. The pressing device for a corrugated guard plate according to claim 1, characterized in that: The elastic member (3) is a coil spring.

6. The pressing device for a corrugated guard plate according to claim 1, characterized in that: The bolt pair (2) comprises a screw rod and a nut, wherein the nut is located above the fixed upper die (1).

7. The pressing device for a corrugated guard plate according to claim 1, characterized in that: The fixed upper die (1) is mounted on the press head via bolts.

8. The pressing device for a corrugated guard plate according to claim 7, characterized in that: The lower die (7) is fixedly mounted on the press workbench by means of bolts.