Double-station cast pipe airtight machine for nodular cast iron pipe production

Abstract

The utility model discloses a double-station cast pipe airtight machine for nodular cast iron pipe production, and relates to the field of cast pipe detection. Comprising a workbench plate and a supporting assembly on the top side of the workbench plate. An end limiting assembly and an air tightness detection assembly are assembled on the left side and the right side of the working table plate respectively. A main body of the end limiting assembly is a pushing oil cylinder, the outer end of an output shaft of the pushing oil cylinder is fixedly connected with a support, and the outer end of the support is fixedly connected with a pressing disc. The main body of the air tightness detection assembly is an air pump, the output end of the air pump is fixedly connected with an air pipe, the air pipe is a Y-shaped pipe, the air pipe is fixedly provided with a reversing valve for regulating and controlling the air pipe, and the outer end of the air pipe is fixedly connected with a valve disc. The double-station air tightness detection of two groups of cast pipes is realized, and the problems that an existing device needs two groups of independent driving assemblies, the structure is complicated, and the working practicability is low are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of cast pipe detection, in particular to a double-station cast pipe airtight machine for producing ductile iron pipes. Background Art

[0002] During the production process of cast pipes, an airtight machine is required to monitor their sealing performance;

[0003] After searching, the specification of patent announcement number CN201765095U discloses a double-station pipe casting airtight machine for ductile iron pipe production, which includes a chassis, and the key is that it also includes two groups of support rollers symmetrically arranged on the chassis, a spigot retaining wall arranged on the left side of the chassis, a socket retaining wall arranged on the right side of the chassis, a spigot top-pushing oil cylinder positioned on the spigot retaining wall, a spigot plug connected to the spigot top-pushing oil cylinder, a socket top-pushing oil cylinder positioned on the socket retaining wall, and a socket plug positioned on the socket retaining wall; the reinforcement ribs of the socket retaining wall and the spigot retaining wall are cross-shaped ribs, and their strength is improved; the spigot plug is fixed via a spigot plug fixing seat, and the fixing is more convenient and flexible;

[0004] The above-mentioned double-station casting pipe airtight machine achieves the effect of double-station clamping and limiting through a driving component, but still requires two sets of separate detection components to realize airtightness detection, and the components are complicated and have low practicality.

[0005] Therefore, we proposed a double-station pipe casting airtight machine for ductile iron pipe production. Utility Model Content

[0006] 1. Technical issues to be solved

[0007] In view of the deficiencies in the prior art, the utility model provides a double-station pipe casting airtight machine for the production of ductile iron pipes, which solves the problem that the prior device requires two sets of separate drive components, has a complicated structure and low practicality.

[0008] (II) Technical solution

[0009] To achieve the above objectives, the utility model is implemented through the following technical solutions: a double-station pipe casting airtight machine for ductile iron pipe production, including a workbench and a support assembly on the top side thereof, wherein the left and right sides of the workbench are respectively equipped with an end stop assembly and an airtightness detection assembly;

[0010] The main body of the end stop assembly is a push cylinder, the outer end of the output shaft of the push cylinder is fixedly connected to a bracket, and the outer end of the bracket is fixedly connected to a pressure plate;

[0011] The main body of the air tightness detection component is an air pump, the output end of the air pump is fixedly connected to an air pipe, the air pipe is a Y-shaped pipe, a reversing valve for regulating it is fixedly installed on the air pipe, and the outer end of the air pipe is fixedly connected to a valve disc.

[0012] Preferably, two sets of vertical plates are fixedly installed on both side edges of the top of the workbench, and a push cylinder and an air pump are fixedly installed on the outer walls of the two sets of vertical plates respectively;

[0013] Among them, the setting of two sets of vertical plates can carry out corresponding installation of the end limit assembly and the air tightness detection assembly.

[0014] Preferably, a sealing groove matching the specification of the outer end of the cast pipe is provided on the sealing portion of the outer wall of the valve disc, and an air hole connected to the air pipe is provided at the center of the valve disc;

[0015] Among them, the setting of the air holes in the valve disc facilitates the air pump to cooperate with the air pipe to inflate the two groups of cast pipes and the subsequent air tightness test.

[0016] Preferably, the bracket is a Y-shaped bracket, the bracket is slidably sleeved in the left side plate, and a sealing groove matching the specification of the outer end of the cast pipe is also opened on the sealing portion of the outer wall of the pressure plate;

[0017] Among them, the Y-shaped setting of the valve disc can directly drive two sets of pressure plates to synchronously limit the two sets of cast pipes to ensure the limiting effect.

[0018] Preferably, four groups of supporting components in opposite positions are fixedly mounted on the top of the workbench, and the cast pipe to be tested is placed on the front and rear groups of supporting components.

[0019] Preferably, the support assembly is equipped with two sets of rollers which are positioned opposite to each other via a bearing ring.

[0020] (III) Beneficial effects

[0021] The utility model provides a double-station pipe casting airtight machine for producing ductile iron pipes. It has the following beneficial effects:

[0022] The double-station cast pipe airtight machine, through the arrangement of various components on the top side of the worktable, can utilize the pressure plate and the valve disc in the end limit component and the airtightness detection component to seal and clamp the two groups of cast pipes therebetween, while an air pump performs airtightness detection on the two groups of cast pipes through an air pipe, and a reversing valve regulates the gas conduction path, thereby realizing double-station airtightness detection of the two groups of cast pipes, solving the problem that the existing device requires two groups of separate drive components, has a complicated structure and low practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of the utility model;

[0024] Figure 2 It is a schematic diagram of the structure of the utility model from the side;

[0025] Figure 3 This is a schematic diagram of the structure of the airtightness detection component of the utility model;

[0026] Figure 4 It is a structural schematic diagram of the end limit assembly of the utility model.

[0027] In the figure: 1. workbench; 2. support assembly; 3. end limit assembly; 31. push cylinder; 32. bracket; 33. pressure plate; 4. air tightness detection assembly; 41. air pump; 42. air pipe; 43. valve disc; 44. reversing valve. DETAILED DESCRIPTION

[0028] 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.

[0029] See also Figure 1-4 The utility model provides a technical solution: a double-station casting pipe airtight machine for ductile iron pipe production, comprising a workbench 1 and a support assembly 2 on the top side thereof, the left and right sides of the workbench 1 are respectively equipped with an end stop assembly 3 and an airtightness detection assembly 4; the main body of the end stop assembly 3 is a top-pushing oil cylinder 31, the outer end of the output shaft of the top-pushing oil cylinder 31 is fixedly connected with a bracket 32, and the outer end of the bracket 32 ​​is fixedly connected with a pressure plate 33; the main body of the airtightness detection assembly 4 is an air pump 41, the output end of the air pump 41 is fixedly connected with an air pipe 42, the air pipe 42 is a Y-shaped pipe, a reversing valve 44 for regulating the air pump 41 is fixedly installed on the air pipe 42, and the outer end of the air pipe 42 is fixedly connected with a valve disc 43;

[0030] Among them, the double-station cast pipe airtight machine, through the arrangement of various components on the top side of the work table 1, can use the pressure plate 33 and the valve disc 43 in the end limit component 3 and the airtightness detection component 4 to seal and clamp the two groups of cast pipes therebetween, and at the same time, the air pump 41 performs airtightness detection on the two groups of cast pipes through the air pipe 42, and the reversing valve 44 regulates the gas conduction path to realize double-station airtightness detection of the two groups of cast pipes, thereby solving the problem that the existing device requires two sets of separate driving components, which has complicated structure and low practicality.

[0031] Embodiment 2:

[0032] Two sets of vertical plates are fixedly installed on the two side edges of the top of the workbench 1, and the outer walls of the two sets of vertical plates are respectively fixedly installed with a push cylinder 31 and an air pump 41; wherein, the setting of the two sets of vertical plates can perform corresponding installation of the end limit assembly 3 and the air tightness detection assembly 4.

[0033] A sealing groove matching the specifications of the outer end of the cast pipe is provided on the sealing portion of the outer wall of the valve disc 43, and an air hole connected to the air pipe 42 is provided at the center of the valve disc 43; wherein, the setting of the air hole in the valve disc 43 facilitates the air pump 41 to cooperate with the air pipe 42 to inflate the two groups of cast pipes and the subsequent air tightness test.

[0034] The bracket 32 ​​is a Y-shaped bracket, which is slidably mounted in the left side plate, and a sealing groove matching the specifications of the outer end of the cast pipe is also provided on the sealing portion of the outer wall of the pressure plate 33; wherein, the Y-shaped setting of the valve disc 43 can directly drive the two groups of pressure plates 33 to synchronously limit the two groups of cast pipes, thereby ensuring the limiting effect.

[0035] Four sets of supporting assemblies 2 in opposite positions are fixedly installed on the top of the workbench 1, and the cast pipes to be tested are placed on the front and rear sets of supporting assemblies 2. Two sets of rotating rollers in opposite positions are assembled in the supporting assemblies 2 through bearing rings.

[0036] The working principle and use process of the utility model are as follows: when the device is needed to work, the cast pipe is placed on the top side of each group of support components 2, and then the cast pipe is driven to move outward by the push cylinder 31, and is clamped between the pressure plate 33 and the valve plate 43, and then the air pump 41 uses the air pipe 42 to inflate the two groups of cast pipes to achieve air tightness detection, and the setting of the reversing valve 44 can perform synchronous monitoring or single detection of the two groups of cast pipes to ensure the detection effect.

[0037] To sum up, the double-station cast pipe airtight machine, through the arrangement of various components on the top side of the worktable, can utilize the pressure plate and valve disc in the end limit assembly and the airtightness detection assembly to seal and clamp the two groups of cast pipes therebetween, and at the same time, an air pump performs airtightness detection on the two groups of cast pipes through the air pipe, and the reversing valve regulates the gas conduction path to realize double-station airtightness detection of the two groups of cast pipes, thereby solving the problem that the existing device requires two sets of separate driving components, has a complicated structure and low practicality.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A double-station pipe casting airtight machine for producing ductile iron pipes, comprising a workbench (1) and a top support assembly (2), characterized in that: The left and right sides of the workbench (1) are respectively equipped with an end stop assembly (3) and an air tightness detection assembly (4); The main body of the end stop assembly (3) is a push cylinder (31), the outer end of the output shaft of the push cylinder (31) is fixedly connected to a bracket (32), and the outer end of the bracket (32) is fixedly connected to a pressure plate (33); The main body of the air tightness detection component (4) is an air pump (41), the output end of the air pump (41) is fixedly connected to an air pipe (42), the air pipe (42) is a Y-shaped pipe, a reversing valve (44) for regulating the air pipe (42) is fixedly installed on the air pipe (42), and the outer end of the air pipe (42) is fixedly connected to a valve disc (43).

2. A double-station pipe casting airtight machine for producing ductile iron pipes according to claim 1, characterized in that: Two sets of vertical plates are fixedly mounted on both side edges of the top of the workbench (1), and a push cylinder (31) and an air pump (41) are fixedly mounted on the outer walls of the two sets of vertical plates, respectively.

3. A double-station pipe casting airtight machine for producing ductile iron pipes according to claim 2, characterized in that: A sealing groove matching the specification of the outer end of the cast pipe is provided on the sealing portion of the outer wall of the valve disc (43), and an air hole communicating with the air pipe (42) is provided at the center of the valve disc (43).

4. A double-station pipe casting airtight machine for producing ductile iron pipes according to claim 1, characterized in that: The bracket (32) is a Y-shaped bracket, and the bracket (32) is slidably mounted in the left side plate. A sealing groove matching the specifications of the outer end of the cast pipe is also provided on the sealing portion of the outer wall of the pressure plate (33).

5. The double-station pipe casting airtight machine for producing ductile iron pipes according to claim 1, characterized in that: Four groups of supporting components (2) in opposite positions are fixedly installed on the top of the workbench (1), and the cast pipe to be tested is placed on the front and rear groups of supporting components (2).

6. A double-station pipe casting airtight machine for producing ductile iron pipes according to claim 5, characterized in that: The support assembly (2) is equipped with two sets of rotating rollers which are located opposite to each other via a bearing ring.

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