CN113236911B - Device and method for determining thickness of steel adjusting gasket by adopting pouring form - Google Patents

Device and method for determining thickness of steel adjusting gasket by adopting pouring form Download PDF

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Publication number
CN113236911B
CN113236911B CN202110364566.2A CN202110364566A CN113236911B CN 113236911 B CN113236911 B CN 113236911B CN 202110364566 A CN202110364566 A CN 202110364566A CN 113236911 B CN113236911 B CN 113236911B
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shell
pouring
gasket
equipment
thickness
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CN113236911A (en
Inventor
杨文波
赵春杰
王波
刘志宇
王创柱
佟浩
李鹏
明少航
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Bohai Shipyard Group Co Ltd
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Bohai Shipyard Group Co Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M7/00—Details of attaching or adjusting engine beds, frames, or supporting-legs on foundation or base; Attaching non-moving engine parts, e.g. cylinder blocks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/02—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles
    • B29C39/10—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. casting around inserts or for coating articles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M5/00—Engine beds, i.e. means for supporting engines or machines on foundations

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gasket Seals (AREA)

Abstract

The invention provides a device and a method for determining the thickness of a steel adjusting gasket by adopting a pouring mode. Comprises a shell component, a positioning screw component and a surrounding frame sponge strip. The shell assembly is fixed on the installation surface of the machine leg of the equipment through the positioning bolt assembly, and the enclosure frame sponge strip is used for sealing a gap between the shell and the base to form a sealed pouring cavity. The method for determining the thickness of the steel adjusting gasket by adopting the pouring form is carried out by adopting the device and is used for determining the thickness of the steel adjusting gasket between the machine foot and the base. According to the invention, the cavity is established, and the model gasket formed by pouring is used for measuring the real gasket machining size, the value is accurate, the equipment positioning requirement and the gasket installation requirement can be met by one-time machining, the measuring device has a simple structure, is simple and convenient to operate and easy to disassemble and assemble, and the equipment installation precision is ensured. The device and the method are suitable for determining the thickness of the steel adjusting gasket in a pouring mode.

Description

Device and method for determining thickness of steel adjusting gasket by adopting pouring form
Technical Field
The invention relates to an installation fitting in the field of machinery, in particular to a device and a method for determining the thickness of a steel adjusting gasket in a pouring mode.
Background
When equipment needs to be accurately positioned and installed, particularly equipment needing to be centrally positioned, in order to eliminate the machining deviation of height and angle between a machine leg installation surface and a base panel after the equipment is positioned, compensation is usually performed by adding a steel adjusting gasket between the machine leg and the base. The thickness of the steel spacer is generally determined by measuring with mechanical measuring tools such as calipers and bore gages after the equipment is positioned.
For some installation parts with special structures, such as pit type or well type installation structures, common mechanical measuring tools cannot be placed in and reach the measurement parts due to insufficient required operation space, even if some special mechanical tools are adopted for measurement, the accuracy of the measurement parts and the accuracy of measurement data cannot be guaranteed due to visual inaccessibility, the measurement error is large, even the measurement result cannot be used as the basis for manufacturing the gasket, the joint clearance between the steel adjusting gasket manufactured in the state and a machine leg and a base cannot meet the installation requirement, the equipment positioning requirement and the installation requirement of the gasket can be met after repeated grinding, the construction period is long, the repeated construction content is more, and material waste is very easily caused.
Disclosure of Invention
In order to accurately determine the thickness of the steel adjusting shim, the invention provides a device and a method for determining the thickness of the steel adjusting shim in a pouring mode. According to the method, the real gasket machining size is measured through the model gasket formed by casting, and the technical problem of adjusting the thickness of the steel gasket is solved.
The technical scheme adopted by the invention for solving the technical problem is as follows:
a device for determining the thickness of a steel adjusting gasket in a pouring mode comprises a shell assembly, a positioning bolt assembly and a surrounding frame sponge strip, wherein the shell assembly comprises a shell, a screw, a ventilating baffle, a small gasket and an overflow pipe; the positioning bolt assembly comprises a positioning bolt, a large washer and a nut. The shell assembly is fixed on the installation surface of the machine leg of the equipment through the positioning bolt assembly, and the enclosure frame sponge strip is used for sealing a gap between the shell and the base to form a sealed pouring cavity. The positioning bolt assembly is a fastening piece for connecting the shell assembly and the equipment and is also an injection port for pouring liquid.
Furthermore, the mounting surface of the shell in the shell assembly is a ground plane, so that the mounting surface can be completely attached to the mounting surface of the machine leg of the equipment, the mounting surface of the shell is provided with a first threaded through hole with equal hole distance with a bolt hole of the machine leg, and the single-hole steel adjusting gasket can be arranged according to a hole theory positioning ruler; a closed diversion trench which is penetrated transversely and longitudinally is arranged in the shell; two second threaded through holes and one air vent are formed in one end of the wide side of the shell, the second threaded through holes are arranged in the transverse center of the wide side of the shell, and the air vent is arranged on the upper side of the transverse center of the wide side of the shell; an overflow hole is formed in one end of the long edge of the shell, the position of the overflow hole is lower than the upper end face of the air-permeable baffle, and pouring liquid can preferentially flow out of the overflow hole; the overflow pipe is inserted in the overflow hole.
Furthermore, the ventilating baffle in the shell assembly is of a lath structure, two through holes are formed in the ventilating baffle, in order to enable the upper end face of the ventilating baffle and the shell installation face to leave enough ventilating space, the through holes are arranged on the upper position of the transverse center of the ventilating baffle, the ventilating baffle is installed in the second threaded through hole through the screw and the small washer, and the ventilating holes and the side face of the shell form a pouring ventilating channel.
Further, the positioning bolt in the positioning bolt assembly is a hollow stud, an inner diameter hole of the positioning bolt assembly is a poured injection port, and an outer diameter part is a section: the thread cutting machine comprises an upper thread section, a middle section and a lower thread section, wherein the outer diameter of the middle section is larger than that of the upper thread section and that of the lower thread section. The lower thread section is screwed and fixed with the shell, the upper thread section is matched with the large washer and the nut to fixedly connect the shell with the machine leg of the equipment, the structural outer diameter of the middle section is matched with the bolt hole of the machine leg in a clearance fit mode according to the bolt hole of the machine leg, and the matching clearance is less than or equal to 0.1mm, so that the middle section can be used for accurately positioning the position of the shell on the installation surface of the machine leg.
Furthermore, the enclosing frame sponge strip is made of high-density sponge in a cutting mode, and the sponge strip is connected with the shell in an adhering mode through strong glue.
The invention also provides a method for determining the thickness of the steel adjusting gasket by adopting a pouring mode, which is used for determining the thickness of the steel adjusting gasket between the machine leg and the base: the device is adopted to establish a closed cavity between the equipment leg and the base by utilizing the characteristics of fluidity, solidifiability, certain hardness after solidification and the like of the casting liquid, then the casting liquid is used to completely fill the closed cavity, the casting liquid forms a model gasket with a shell in the device after solidification, and the thickness dimension of the model gasket is measured to manufacture the steel gasket.
The method specifically comprises the following steps:
s1, equipment machine leg and base inspection: and inspecting the planeness of the equipment machine leg and the base in the steel adjusting gasket mounting area, wherein the planeness is smaller than the height value of a positioning reference point of equipment from the equipment machine leg of a required value measuring equipment after the steel adjusting gasket is mounted and is subjected to fitting degree inspection, and calculating the estimated thickness of the steel adjusting gasket.
S2, manufacturing a pouring device: the shell in the casting device is manufactured according to the overall dimension and the number of the steel adjusting gaskets, and the following steps are required: the thickness of the shell is smaller than the estimated thickness of the steel adjusting gasket, so that the equipment has enough adjusting size.
S3, installing a pouring device: before the equipment is positioned, fixing the casting device shell assembly at the position of the equipment machine leg by using a positioning bolt assembly, manually screwing, and checking and recording the fit state between the shell and the equipment machine leg; adhering a surrounding frame sponge strip around the outer side of the shell assembly, wherein the adhering is continuous and has no fracture, the upper end surface of the surrounding frame sponge strip is lower than the upper end surface of the shell assembly, and the lower end of the surrounding frame sponge strip is protruded out of the lower end surface of the shell assembly; meanwhile, the aluminum-based or calcium-based grease of the layer is wiped in advance in the region where the steel adjusting gasket is installed on the base, the grease is wiped uniformly, and the thickness of the grease is as thin as possible.
S4, equipment centering/positioning: and hoisting the equipment in place, adjusting and positioning according to the centering/positioning requirement, and marking the position of the shell on the base for installing the steel adjusting gasket.
S5, pouring a gasket model: and after the pouring liquid is uniformly stirred, pouring the pouring liquid into the pouring opening at a constant speed, slowly and automatically, and stopping pouring after the pouring liquid appears in the overflow pipe. And after the casting liquid is solidified, the casting liquid and the shell are solidified into a whole to form the model of the steel adjusting gasket.
S6, determining the thickness of the steel adjusting gasket: and taking down the model gasket formed by combining the casting solid and the shell, wherein the thickness H of the model gasket is the thickness dimension of the steel adjusting gasket, and manufacturing and processing the steel adjusting gasket according to the dimension.
As described above, the apparatus and method according to the present invention have the following advantageous effects: the cavity is established after the equipment is positioned, the real machining size of the gasket is measured through the cast model gasket, the value is accurate, the steel adjusting gasket can meet the requirement of the equipment positioning by machining once, the process that the gasket manufactured by measurement in the prior art needs to be polished and machined for multiple times is avoided, the construction period is shortened, and the material cost is saved; meanwhile, the model gasket simulates the state of the real gasket after the equipment is positioned, and the steel adjusting gasket manufactured by the model gasket can be completely attached to the installation surface of the equipment stand and the base, so that the installation requirements of the equipment and the steel adjusting gasket are met. The measuring device has the advantages of simple structure, simple and convenient operation and easy disassembly and assembly. The measuring method by using the measuring device can obtain the high-precision steel adjusting gasket, and ensures the installation precision of equipment. The device and the method are suitable for determining the thickness of the steel adjusting shim in a pouring mode.
Drawings
FIG. 1 is a schematic diagram of the apparatus of the present invention;
FIG. 2 is a schematic view of the housing assembly 1 assembly of the apparatus of the present invention;
FIG. 3 is a bottom view of the housing assembly 1 of the device of the present invention;
FIG. 4 is a schematic structural view of a gas-permeable baffle 13 in the apparatus of the present invention;
FIG. 5 is a schematic view of a positioning bolt 21 of the apparatus of the present invention;
FIG. 6 is a cross-sectional view of the apparatus of the present invention after mounting with the frame legs 4 and the base 5;
fig. 7 is an effective cross-sectional view of a mold gasket formed by a shell 11 and a solidified casting liquid in the device of the present invention.
In the figure, 1, a shell assembly, 11, a shell, 111, a first threaded through hole, 112, a diversion trench, 113, an air hole, 114, a second threaded through hole, 115, an overflow hole, 12, a screw, 13, a ventilation baffle, 131, a through hole, 14, a small gasket, 15, an overflow pipe, 2, a positioning bolt assembly, 21, a positioning bolt, 211, an injection port, 212, an upper threaded section, 213, a middle section, 214, a lower threaded section, 22, a large gasket, 23, a nut, 3, a surrounding frame sponge strip, 4, an equipment foot, 41, a foot bolt hole, 5, a base, 6, pouring liquid and H, wherein the thickness of a model gasket are shown in the specification.
Detailed Description
Other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure of the present specification, wherein the following detailed description is provided for the embodiments of the present invention with reference to the accompanying drawings 1 to 7. It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used for limiting the conditions under which the invention can be implemented, so that the invention has no technical significance, and any structural modification, ratio relationship change or size adjustment should fall within the scope of the disclosure of the invention without affecting the efficacy and the achievable purpose of the invention.
As shown in fig. 1 to 5, the device for determining the thickness of a steel shim in a casting manner according to the present invention mainly comprises: casing assembly 1, positioning bolt subassembly 2, enclose frame sponge strip 3, wherein casing assembly 1 includes: a shell 11, a screw 12, a ventilating baffle 13, a small gasket 14 and an overflow pipe 15; the positioning bolt assembly 2 includes: a positioning bolt 21, a large washer 22 and a nut 23; the surrounding frame sponge strip 3 is made of high-density sponge and is adhered and connected with the shell 11 by using strong glue.
The shell assembly 1 is fixed on the installation surface of an equipment machine leg 4 through a positioning bolt assembly 2, and the enclosure frame sponge strip 3 is used for closing a gap between the shell 11 and the base 5, so that a closed pouring cavity is formed. The device disclosed by the invention is simple in structure, and can accurately simulate the thickness dimension of the steel adjusting gasket, so that the high-precision steel adjusting gasket is obtained, and the installation requirement of the equipment positioning precision gasket is ensured.
As shown in fig. 1 to 6, the device for determining the thickness of the steel adjusting shim by casting according to the present invention is assembled as follows: the screw 12 penetrates through the through hole 131 of the air permeable baffle 13, the small washer 14 is sleeved on the screw 12, the screw 12 is screwed into the second threaded through hole 114 of the shell 11 and is fixed in a screwing mode, a gap with the thickness of the small washer 14 is reserved between the air permeable baffle 13 and the wide-edge end face of the shell 11, the air vent 113 is formed between the two second threaded through holes 114, a lateral air permeable channel is formed, the overflow pipe 15 is inserted into the overflow port 115 of the shell 1, and the overflow pipe 15 and the overflow port 115 are installed in an interference mode to guarantee installation and fastening. After the shell assembly 1 is assembled, the lower thread 214 of the positioning bolt 21 is screwed into the first thread through hole 111 of the shell 11, the positioning bolt 21 is pressed and fixed with the mounting surface of the shell 11 through the shoulder at the lower end of the middle section 213, then the positioning bolt 21 is inserted into the machine leg bolt hole 41, the large washer 22 and the nut 23 are sequentially sleeved in the upper thread section 212 of the positioning bolt 21, in order to prevent the deformation of the shell 11 caused by the overlarge screwing tension, the nut 23 is screwed manually without using tools such as a wrench and the like, meanwhile, in the screwing process of the nut 23, the joint between the mounting surface of the shell 11 and the mounting surface of the equipment machine leg 4 should be checked by using a feeler gauge, the joint check requirement of the gasket should be met, and if the gap between the shell 11 and the equipment machine leg 4 exceeds the joint requirement value, the exceeding value should be calculated into the measured value of the model gasket.
As a preferred design, as shown in fig. 2 and fig. 6, the threaded holes provided on the mounting surface of the housing 11 are threaded through holes with the same hole distance as the machine leg bolt holes 41, the single-hole steel adjusting spacers can be arranged according to the theoretical positioning size of the holes, and the outer diameter size of the middle section 213 of the positioning bolt 21 is configured according to the size of the machine leg bolt holes 41 at the mounting position, and the fit clearance is less than or equal to 0.1mm, so as to ensure that the mounting position of the housing 11 on the machine leg 4 is consistent with the mounting position of the steel adjusting spacers.
As shown in the attached drawing 6, the shell component 1 and the positioning bolt component 2 are mounted and then adhered with the enclosure frame sponge strip 3, the adhering position of the upper end of the enclosure frame sponge strip 3 does not exceed the upper end of the air permeable baffle 13, and the lower end of the enclosure frame sponge strip 3 exceeds the lower end face of the shell 1, so that the enclosure frame sponge strip 3 can be tightly pressed on the mounting surface of the base 5.
It needs to be noted that, for the dismantlement after convenient pouring, all threaded part parts all need the fat liquoring before the installation, prevent that casting liquid 6 from getting into the solidification of threaded part, unable dismantlement.
The invention also provides a method for determining the thickness of the steel adjusting shim in a pouring mode, which is used for determining the thickness of the steel adjusting shim between the machine leg 4 and the base 5 of the equipment and specifically comprises the following steps:
s1, checking an equipment machine leg 4 and a base 5:
referring to fig. 6, the flatness of the equipment pedestal 4 and the base 5 in the installation region of the steel adjusting shim is checked, and the flatness is smaller than a required value of the joint test after the steel adjusting shim is installed; and measuring the height value of the positioning reference point of the equipment from the machine leg 4 of the equipment, and calculating the estimated thickness of the steel adjusting gasket.
S2, manufacturing a pouring device:
referring to fig. 1 and fig. 6, the housing 11 of the casting device is manufactured according to the external dimensions and the number of the steel spacers, and it should be noted that: the thickness of the housing 11 is sized to be less than the predicted thickness of the steel spacer to allow for sufficient adjustment of the device.
S3, mounting of a pouring device:
as shown in fig. 6, before the equipment is positioned, the casting device shell assembly 1 is fixed at the position of the equipment machine leg 4 by using a positioning bolt assembly 2, manually screwed, and the attaching state between the shell 11 and the machine leg 4 is checked and recorded; adhering the enclosure frame sponge strips 3 to the periphery of the outer side of the shell assembly 1, wherein the adhesion is continuous and has no fracture, the upper end surfaces of the enclosure frame sponge strips 3 do not exceed the upper end surface of the ventilating baffle 13, and the lower ends of the enclosure frame sponge strips 3 protrude out of the lower end surface of the shell assembly 1, so that the enclosure frame sponge strips 3 can be tightly pressed on the mounting surface of the base 5; meanwhile, a layer of aluminum-based or calcium-based grease is wiped in advance in the region where the steel adjusting gasket is arranged on the base 5, the grease is wiped uniformly, and the thickness of the grease is as thin as possible.
S4, equipment centering/positioning:
and hoisting the equipment in place, and marking the position of the shell 11 on the base 5 for installing the steel adjusting gasket after adjusting and positioning according to the centering/positioning requirement.
S5, pouring a gasket model:
as shown in the attached figures 6 and 7, the pouring liquid 6 is uniformly stirred and slowly and automatically poured from the filling opening 211 at a constant speed, and the pouring is stopped after the pouring liquid 6 appears on the overflow pipe 15. After the casting liquid 6 is solidified, the casting liquid and the shell 11 are solidified into a whole to form a model of the steel adjusting gasket.
S6, determining the thickness of the steel adjusting shim:
as shown in fig. 7, the model shim composed of the cast solid and the shell 11 is removed, the thickness H of the model shim is the thickness dimension of the steel adjusting shim, and the steel adjusting shim is manufactured according to the dimension.
Description of casting liquid: the casting liquid used for casting is a commercially available epoxy resin, which is not the content of the invention, and the casting type epoxy resin with general characteristics and shrinkage rate less than 1 per mill can meet the application of the invention, so the invention is not particularly described.
In conclusion, the invention overcomes the defects in the prior art and has higher industrial utilization value.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still make modifications to the technical solutions described in the foregoing embodiments, or make equivalent substitutions and improvements to part of the technical features of the foregoing embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (2)

1. A method for determining the thickness of a steel adjusting gasket by adopting a pouring mode is characterized by comprising the following steps:
the device comprises a casting device, a closed cavity, a casting liquid (6), a shell (11) and a steel adjusting gasket, wherein the casting device is used for determining the thickness of the steel adjusting gasket between a device machine leg (4) and a base (5), the closed cavity is established between the device machine leg (4) and the base (5) by utilizing the characteristics of the casting liquid (6) such as flowability, solidifiability and certain hardness after solidification, the casting liquid (6) is used for completely filling the closed cavity, the casting liquid (6) forms a model gasket with the shell (11) in the casting device after solidification, and the steel adjusting gasket is manufactured according to the thickness dimension of the measured model gasket;
the pouring device comprises a shell assembly (1), a positioning bolt assembly (2) and a surrounding frame sponge strip (3), wherein the shell assembly (1) comprises a shell (11), a screw (12), a ventilating baffle (13), a small washer (14) and an overflow pipe (15); the positioning bolt assembly (2) comprises a positioning bolt (21), a large washer (22) and a nut (23); the shell assembly (1) is fixed on the installation surface of an equipment machine leg (4) through the positioning bolt assembly (2), and the enclosure frame sponge strip (3) is used for sealing a gap between the shell (11) and the base (5) to form a sealed pouring cavity; the positioning bolt assembly (2) is a fastening piece for connecting the shell assembly (1) with equipment and is also an injection port of the pouring liquid (6);
the mounting surface of a shell (11) in the shell assembly (1) is a ground plane, so that the mounting surface can be completely attached to the mounting surface of an equipment machine leg (4), and a first threaded through hole (111) with the same hole pitch as a machine leg bolt hole (41) is formed in the mounting surface of the shell (11); a closed diversion trench (112) which is transversely and longitudinally penetrated inside is arranged inside the shell (11); one end of the wide side of the shell (11) is provided with two second threaded through holes (114) and an air hole (113), the second threaded through holes (114) are arranged at the transverse center of the wide side of the shell (11), and the air hole (113) is arranged at the upper position of the transverse center of the wide side of the shell (11); an overflow hole (115) is formed in one end of the long edge of the shell (11), the position of the overflow hole (115) is lower than the upper end face of the air-permeable baffle (13), and the overflow pipe (15) is inserted into the overflow hole (115);
the ventilating baffle (13) in the shell assembly (1) is of a batten structure, two bolt mounting through holes (131) are formed in the ventilating baffle, a sufficient ventilating space is reserved between the upper end surface of the ventilating baffle (13) and the mounting surface of the shell (11), the through holes (131) are arranged at the upper position of the transverse center of the ventilating baffle (13), the ventilating baffle (13) is mounted in a second threaded through hole (114) of the shell (11) through the screws (12) and the small washer (14), and a pouring ventilating channel is formed by the ventilating holes (113) and the side surface structure of the shell (11);
positioning bolt (21) in positioning bolt subassembly (2) be hollow formula stud, the injection mouth (211) of internal diameter hole for the pouring, the partial three sections of being divided into of external diameter: the thread cutting machine comprises an upper thread section (212), a middle section (213) and a lower thread section (214), wherein the outer diameter of the middle section (213) is larger than the sizes of the upper thread section and the lower thread section; the lower thread section (214) is screwed and fixed with the shell (11), the upper thread section (212) is matched with the large washer (22) and the nut (23) to connect and fix the shell (11) and the equipment machine leg (4), the structural outer diameter of the middle section (213) is configured according to the machine leg bolt hole (41) and is in clearance fit with the machine leg bolt hole (41), and the fit clearance is less than or equal to 0.1mm;
the method specifically comprises the following steps:
s1, checking an equipment machine leg (4) and a base (5):
inspecting the flatness of a base (5) of an equipment foot (4) in an adjusting gasket mounting area, wherein the flatness of the base is smaller than a required value of the inspection of the fitting degree after the steel adjusting gasket is mounted; measuring the height value of the positioning reference point of the equipment from the machine leg (4) of the equipment, and calculating the estimated thickness of the steel adjusting gasket;
s2, manufacturing a pouring device:
manufacturing a shell (11) in the pouring device according to the overall dimension of the steel adjusting gasket, wherein the thickness dimension of the shell (11) is smaller than the estimated thickness of the steel adjusting gasket;
s3, installing a pouring device:
before the equipment is positioned, fixing the casting device shell assembly (1) at the position of an equipment machine leg (4) by using a positioning bolt assembly (2), manually screwing, and checking and recording the attaching state between the shell (11) and the equipment machine leg (4); adhering enclosure frame sponge strips (3) to the periphery of the outer side of the shell assembly (1), wherein the adhesion is continuous without fracture, the upper end surfaces of the enclosure frame sponge strips (3) do not exceed the upper end surfaces of the breathable baffles (13), and the lower ends of the enclosure frame sponge strips (3) protrude out of the lower end surface of the shell assembly (1); meanwhile, a layer of aluminum-based or calcium-based grease should be wiped in advance in the region where the steel adjusting gasket is arranged on the base (5), the grease wiping should be uniform, and the thickness should be as thin as possible;
s4, equipment centering/positioning:
hoisting equipment in place, adjusting and positioning according to the centering/positioning requirement, and marking the position of the shell (11) on the base (5) for mounting a steel adjusting gasket;
s5, pouring a gasket model:
uniformly stirring the pouring liquid (6), pouring the pouring liquid into the pouring opening (211) at a constant speed, slowly and automatically, and stopping pouring after the pouring liquid (6) appears in the overflow pipe (15); after the casting liquid (6) is solidified, the casting liquid and the shell (11) are solidified into a whole to form a model of the steel adjusting gasket;
s6, determining the thickness of the steel adjusting gasket:
and taking down the model gasket formed by combining the casting solid and the shell (11), wherein the thickness H of the model gasket is the thickness dimension of the steel adjusting gasket, and manufacturing and processing the steel adjusting gasket according to the dimension.
2. A method of determining the thickness of a steel shim as cast in accordance with claim 1, wherein:
the enclosure frame sponge strip (3) is made by cutting density sponge, and the enclosure frame sponge strip (3) is connected with the shell (11) by adhering strong glue.
CN202110364566.2A 2021-04-02 2021-04-02 Device and method for determining thickness of steel adjusting gasket by adopting pouring form Active CN113236911B (en)

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CN204828222U (en) * 2015-08-15 2015-12-02 浙江东浩紧固件有限公司 Plug screw
CN208495711U (en) * 2018-07-10 2019-02-15 天津源远精密机械有限公司 A kind of bearing cap casting mould
CN212384538U (en) * 2020-06-04 2021-01-22 南昌市南方连铸工程有限责任公司 A casting mold for car precision casting spare

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