CN110064730B - Positioning device and assembling method used in white mold assembly process for casting - Google Patents
Positioning device and assembling method used in white mold assembly process for casting Download PDFInfo
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- CN110064730B CN110064730B CN201910491509.3A CN201910491509A CN110064730B CN 110064730 B CN110064730 B CN 110064730B CN 201910491509 A CN201910491509 A CN 201910491509A CN 110064730 B CN110064730 B CN 110064730B
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- 235000002245 Penicillium camembertii Nutrition 0.000 title claims abstract description 71
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000005266 casting Methods 0.000 title claims abstract description 21
- 241000221696 Sclerotinia sclerotiorum Species 0.000 claims description 29
- 238000009434 installation Methods 0.000 claims description 6
- 238000010114 lost-foam casting Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000008093 supporting effect Effects 0.000 claims description 2
- 238000000465 moulding Methods 0.000 abstract description 7
- 230000003014 reinforcing effect Effects 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C7/00—Patterns; Manufacture thereof so far as not provided for in other classes
- B22C7/02—Lost patterns
- B22C7/023—Patterns made from expanded plastic materials
- B22C7/026—Patterns made from expanded plastic materials by assembling preformed parts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a positioning device used in a white mold assembly molding process for casting, which comprises a sliding rail, a sliding block assembly body, a measuring rod and a positioning pin, wherein the sliding block assembly body is movably arranged on the sliding rail along the vertical direction and can be kept at a set height position, the measuring rod is arranged on the sliding block assembly body and can synchronously move with the sliding block assembly body, the positioning pin is arranged on the measuring rod and is used for being inserted into a bolt hole on a branch pipe white mold, the sliding rail is provided with scale marks for indicating the height position of the sliding block assembly body, and the positioning pin is arranged in a plurality of positions. The positioning device used in the white die assembly process for casting can accurately and rapidly position the branch pipe white die during die assembly, and improves the working efficiency and assembly precision of the white die assembly die. The invention also discloses a method for assembling the white mold assembly for casting.
Description
Technical Field
The invention belongs to the technical field of cast tube production equipment, and particularly relates to a positioning device and a die assembling method used in a die assembling process of a white die assembly for casting.
Background
In the casting process of cast iron pipe fittings for water and gas pipelines, the lost foam casting process is adopted, so that the product has good appearance, and the bolt holes can be widely applied without processing direct casting. In the Bai Mozu die process of a key ring in the casting process, for the flange branch pipe with the flange plate type three-way pipe fitting, bolt holes on the flange plate are required to be uniformly distributed in a midspan manner relative to a horizontal and vertical central line, and the horizontal and the size of the bolt holes are required to meet the requirements when the formed white die pipe assembly is used for die transportation.
When the white mould assembly is carried out, the existing operation mode is that the main pipe white mould is manually placed on the platform, the branch pipe white mould is leaned against the main pipe body, then the heights of bolt holes at two symmetrical parts of the center line on the flange plate are measured to ensure the positions of the branch pipe white moulds, the operation mode has the problem of low production efficiency in batch production, and the requirement on personnel quality is high, so that the product deviation is large.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides a positioning device used in the molding process of the white mold assembly for casting, and aims to improve the working efficiency of the white mold assembly.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the utility model provides a positioner that uses in white mould subassembly group mould process for casting, including the slide rail, along the movable slider assembly that sets up on the slide rail and can keep setting for high position department, set up on the slider assembly and can with the measuring beam of slider assembly synchronous motion and set up on the measuring beam and be arranged in inserting the locating pin in the bolt hole on the white mould of branch pipe, the slide rail has the scale mark that is used for instructing the high position that the slider assembly is located, the locating pin sets up a plurality ofly.
The locating pins are arranged in two and symmetrically arranged, and the sliding rail is located between the two locating pins.
The measuring rod is provided with a plurality of installation positions for installing the locating pins, and all the installation positions are sequentially arranged along the length direction of the measuring rod.
The distance between the locating pin and the sliding rail is adjustable.
The locating pin is installed on the measuring rod through a bolt, and the measuring rod is provided with an installation hole for the bolt to pass through.
The positioning device used in the casting white die assembly molding process further comprises a locking mechanism which is arranged on the sliding block assembly body and keeps the sliding block assembly body at a set height position.
The locking mechanism comprises a support connected with the sliding block assembly, a stop block rotatably arranged on the support and used for applying pressure to the sliding rail, and a control handle connected with the stop block.
And the sliding rail is provided with a cushion block which is used for being contacted with the stop block and made of rubber materials.
The positioning device used in the casting white die assembly process further comprises a workbench used for placing the main white die and a base arranged on the workbench, and the sliding rail is arranged on the base.
The invention also provides a method for assembling the white mold assembly for casting, which adopts the positioning device and comprises the following steps:
S1, positioning a main pipe white mold and a branch pipe white mold by using a positioning device;
S2, connecting the main pipe white mould and the branch pipe white mould.
The positioning device used in the white die assembly process for casting can accurately and rapidly position the branch pipe white die during die assembly, and improves the working efficiency and assembly precision of the white die assembly die.
Drawings
The present specification includes the following drawings, the contents of which are respectively:
FIG. 1 is a schematic view of a positioning device according to the present invention;
FIG. 2 is a view showing the state of use of the positioning device of the present invention;
FIG. 3 is a front view of the positioning device of the present invention;
FIG. 4 is a side view of the positioning device of the present invention;
FIG. 5 is a top view of the positioning device of the present invention;
FIG. 6 is a rear view of the positioning device of the present invention;
Marked in the figure as: 1. a slide rail; 2. a slider assembly; 3. a measuring rod; 4. a positioning pin; 5. a base; 6. a reinforcing plate; 7. a mounting hole; 8. a manipulation handle; 9. a support; 10. a stop block; 11. a work table; 12. a main pipe white mold; 13. branch pipe white mold; 14. a flange plate; 15. and (5) cushion blocks.
Detailed Description
The following detailed description of the embodiments of the invention, given by way of example only, is presented in the accompanying drawings to aid in a more complete, accurate and thorough understanding of the concepts and aspects of the invention, and to aid in its practice, by those skilled in the art.
It should be noted that, in the following embodiments, the "first", "second" and "third" do not represent an absolute distinction between structures and/or functions, and do not represent a sequential order of execution, but are merely for convenience of description.
As shown in fig. 1 to 6, the present invention provides a positioning device used in a white mold assembly molding process for casting, comprising a slide rail 1, a slide block assembly 2 movably arranged on the slide rail 1 in a vertical direction and capable of being held at a set height position, a measuring rod 3 arranged on the slide block assembly 2 and capable of being synchronously moved with the slide block assembly 2, and a positioning pin 4 arranged on the measuring rod 3 and used for being inserted into a bolt hole on a white mold of a branch pipe, wherein the slide rail 1 is provided with scale marks and corresponding scale values for indicating the height position of the slide block assembly 2, and the positioning pin 4 is provided in plurality.
Specifically, as shown in fig. 1 to 6, the positioning device used in the molding process of the white mold assembly for casting of the present invention further includes a table 11 for placing the main white mold and a base 5 provided on the table 11, and the slide rail 1 is provided on the base 5. The base 5 is fixedly arranged on the top surface of the workbench 11, the top surface of the workbench 11 is a horizontal plane, the base 5 has a certain length, the length direction of the base 5 is parallel to the first direction, the first direction is the horizontal direction, the sliding rail 1 is of a strip-shaped structure, the sliding rail 1 is vertically arranged, the length direction of the sliding rail 1 is vertical, the lower end of the sliding rail 1 is fixedly connected with the base 5, and the sliding rail 1 is fixedly connected with the base 5 at the middle position of the base 5 in the length direction. The white mold assembly is used when the lost foam casting process is adopted to cast the three-way pipe fitting, the main pipe white mold and the branch pipe white mold are both cylinders, one end of the branch pipe white mold is provided with a flange plate, the other end of the branch pipe white mold is connected with the main pipe white mold, a plurality of bolt holes are formed in the flange plate, the bolt holes are round holes, the axes of the bolt holes are parallel to the axes of the branch pipe white mold, the bolt holes are through holes which are formed in the flange plate in a penetrating mode, and all the bolt holes are uniformly distributed in the flange plate along the circumferential direction by taking the axes of the branch pipe white mold as a central line. When the mould is assembled, the main pipe white mould is placed on the top surface of the workbench 11 in a vertical state, the main pipe white mould is positioned on one side of the base 5, the axis of the main pipe white mould is a vertical line, the main pipe white mould and the base 5 are positioned on the same straight line parallel to a second direction, the second direction is a horizontal direction, and the second direction is vertical to the first direction; the branch pipe white mold is positioned through the positioning device, each positioning pin 4 is respectively inserted into one bolt hole on the flange plate of the branch pipe white mold, so that the branch pipe white mold is horizontally abutted against the main pipe white mold, the axis of the branch pipe white mold is parallel to the second direction, the accurate positioning of the branch pipe white mold is realized, and the levelness of the bolt hole is ensured.
As shown in fig. 1 to 6, two positioning pins 4 are provided and the two positioning pins 4 are symmetrically arranged, and the slide rail 1 is located between the two positioning pins 4. The two positioning pins 4 are positioned on the same straight line parallel to the first direction, the positioning pins 4 are cylindrical, the axis of the positioning pins 4 is parallel to the second direction, and the sliding rail 1 is positioned at the middle position of the two positioning pins 4. The measuring rod 3 is fixedly connected with the slider assembly 2, the measuring rod 3 is horizontally arranged, the measuring rod 3 has a certain length, the length direction of the measuring rod 3 is parallel to the first direction, the slider assembly 2 is located above the base 5, and the positioning pin 4 extends towards the outer side of the measuring rod 3 along the horizontal direction. When the mould is assembled, two locating pins 4 are respectively inserted into two symmetrical bolt holes on the flange plate of the branch pipe white mould, the diameter of the locating pins 4 is the same as the diameter of the bolt holes, and the locating device provides a supporting function for the branch pipe white mould and realizes accurate location of the branch pipe white mould.
As shown in fig. 1 to 6, the measuring rod 3 has a plurality of mounting positions for mounting the positioning pins 4, each positioning pin 4 is mounted at one mounting position, and all the mounting positions are sequentially arranged along the length direction of the measuring rod 3, so that the distance between the positioning pins 4 and the sliding rail 1 can be adjusted to adapt to the positioning of the white molds of the branch pipes with different specifications, the flanges of the white molds of the branch pipes with different specifications have different diameters, and correspondingly, the distances between the two bolt holes on the flanges for inserting the two positioning pins 4 are different. For the branch pipe white dies with different specifications, the installation positions of the two positioning pins 4 on the measuring rod 3 are required to be adjusted, so that the positioning requirements of the branch pipe white dies with different specifications are met, and the universality is good.
Preferably, as shown in fig. 1 to 6, the positioning pin 4 is mounted on the measuring rod 3 through a bolt, the measuring rod 3 is provided with mounting holes 7 for the bolt to pass through, the mounting holes 7 are positioned at mounting positions, one mounting hole 7 is respectively arranged at each mounting position, all the mounting holes 7 on the measuring rod 3 are distributed on two sides of the sliding rail 1, and all the mounting holes 7 are symmetrically distributed on two opposite sides of the sliding rail 1. The positioning pin 4 has a screw hole into which a bolt is inserted, and the positioning pin 4 is fixed in position by tightening the positioning pin 4 and the bolt. When the position of the locating pin 4 needs to be replaced, the locating pin 4 and the bolt are unscrewed, the locating pin 4 and the bolt are separated, then the bolt is inserted into the mounting hole 7 at the designated mounting position, and the locating pin 4 is mounted again, so that the distance between the two locating pins 4 is the same as the distance between the two bolt holes on the flange plate of the white mould of the branch pipe needing to be located. This way of installation facilitates the adjustment of the position of the locating pin 4.
The diameters of bolt holes on the flanges of the branch pipe white dies of different specifications are also different, so that the positioning pins 4 are arranged to be replaceable, the positioning pins 4 are provided with various specifications with different diameters, the diameters of threaded holes of the positioning pins 4 of different specifications are the same, the two positioning pins are suitable for being matched with the same bolt, and the diameters of two positioning pins 4 arranged on the measuring rod 3 are the same.
As shown in fig. 1 to 6, scale marks are disposed on a first surface of the sliding rail 1, the first surface is a surface of the sliding rail 1 facing the main pipe white mold, scale values of the scale marks gradually increase from a lower end of the sliding rail 1 to an upper end of the sliding rail 1 along a length direction of the sliding rail 1, and the scale values represent height positions of the branch pipe white mold during positioning. Therefore, before the die assembly, the sliding block assembly body 2 is adjusted to the designated height position according to the height position of the white die of the branch pipe, so that the sliding block assembly body 2 is aligned with a scale line on the sliding rail 1, and the scale value corresponding to the scale line is the height of the white die of the branch pipe during the positioning. According to the mode, through visual observation provided by the scale marks on the sliding rail 1, accurate positioning of the position of the white module of the branch pipe can be realized, accurate reference basis is provided for adjusting the positions of the sliding block assembly body 2 and the measuring rod 3, the operation is convenient and quick, the efficiency is high, and the precision of the white module is improved.
As shown in fig. 1 to 6, the slider assembly 2 has a U-shaped structure, the slider assembly 2 is fixedly connected with the measuring rod 3 at a middle position in the length direction of the measuring rod 3, the slider assembly 2 is sleeved on the sliding rail 1, the sliding rail 1 is inserted into an inner cavity of the slider assembly 2, the sliding rail 1 is positioned between the slider assembly 2 and the measuring rod 3, the measuring rod 3 seals an opening end of the slider assembly 2, and the sliding rail 1 is limited in the horizontal direction. The positioning device used in the casting white die assembly molding process of the invention further comprises a locking mechanism which is arranged on the sliding block assembly body 2 and keeps the sliding block assembly body 2 at a set height position, and the locking mechanism comprises a support 9 connected with the sliding block assembly body 2, a stop block 10 rotatably arranged on the support 9 and used for applying pressure to the sliding rail 1, and a control handle 8 connected with the stop block 10. The support 9 is fixedly arranged at the closed end of the slider assembly 2, the slider assembly 2 is provided with a avoidance hole through which the stop block 10 passes, and the stop block 10 is inserted into the inner cavity of the slider assembly 2 after passing through the avoidance hole. The stop 10 is rotatably connected to the support 9 via a rotation shaft, the rotation center line of the stop 10 (i.e. the axis of the rotation shaft) being parallel to the first direction. The control handle 8 has a certain length, the length direction of the control handle 8 is perpendicular to the first direction, the control handle 8 is fixedly connected with the stop block 10, the control handle 8 is used for enabling the hand of an operator to hold, and the control handle 8 is used for receiving acting force applied by the operator to enable the stop lever to rotate up and down. The slide rail 1 is provided with a cushion block 15 which is used for being in contact with the stop block 10, the cushion block 15 is fixedly arranged on the second surface of the slide rail 1, the first surface and the second surface of the slide rail 1 are surfaces on two opposite sides of the slide rail 1, and the first surface and the second surface are planes perpendicular to the second direction. When the slider assembly 2 is required to be fixed at a designated height position, an operator pulls the control handle 8 downwards, the control handle 8 drives the stop block 10 to rotate upwards, the end part of the stop block 10 is in contact with the cushion block 15, pressure on the second direction of the sliding rail 1 Shi Jiayan is applied to the slider assembly 2, meanwhile, the slider assembly 2 can move slightly along the second direction towards a position far away from the sliding rail 1, finally, the measuring rod 3 is in contact with the first surface of the sliding rail 1, the sliding rail 1 is clamped by the stop block 10 and the measuring rod 3, so that the slider assembly 2 is fixed, the slider assembly 2 and the sliding rail 1 are kept relatively fixed, and meanwhile, the fixing of the measuring rod 3 is realized. When the unlocking is needed, an operator pulls the control handle 8 upwards, the control handle 8 drives the stop block 10 to rotate downwards, the end part of the stop block 10 is separated from the cushion block 15, and the stop block 10 does not squeeze the sliding rail 1 any more, so that looseness is generated between the sliding block assembly 2 and the measuring rod 3 and the sliding rail 1, and then the sliding block assembly 2 can be slid up and down, and the height position of the sliding block assembly 2 is adjusted. The locking mechanism with the structure is convenient to operate, can simply and rapidly complete the fixing and unlocking of the sliding block assembly body 2, and is beneficial to improving the working efficiency.
Preferably, the cushion block 15 is made of rubber, and after the stop block 10 is contacted with the cushion block 15, the generated friction force is large, the cushion block is not easy to loosen, and the reliability is improved.
Preferably, the measuring rod 3, the sliding block assembly 2 and the positioning pin 4 are made of cast aluminum, so that the strength requirement is guaranteed, and the measuring rod is light and durable.
As shown in fig. 1 to 6, the positioning device used in the molding process of the white mold assembly for casting according to the present invention further includes a reinforcing plate 6 connected to the slide rail 1 and the base 5, and improves the connection strength between the slide rail 1 and the base 5. The reinforcing plate 6 is vertical setting and the reinforcing plate 6 is triangular plate, and the reinforcing plate 6 is located the top of base 5 and is located the outside of slide rail 1, and reinforcing plate 6 and base 5 and slide rail 1 fixed connection. The reinforcing plates 6 are arranged at two opposite sides of the sliding rail 1, and the reinforcing plates 6 are arranged at the middle position of the base in the length direction.
The invention also provides a mould assembling method of the white mould component for casting, which adopts the positioning device with the structure and comprises the following steps:
S1, positioning a main pipe white mold and a branch pipe white mold by using a positioning device;
S2, connecting the main pipe white mould and the branch pipe white mould.
In the step S1, the main pipe white mold is placed on the top surface of the workbench 11 in a vertical state, the positioning pin 4 of the positioning device is inserted into the bolt hole on the flange plate of the branch pipe white mold, the branch pipe white mold is positioned, the branch pipe white mold is horizontally abutted against the main pipe white mold, and the branch pipe white mold is positioned at an accurate height position by adjusting the height position of the slide block assembly 2.
In the step S2, the main pipe white mold and the branch pipe white mold are bonded by using an adhesive, so as to realize the fixed connection of the main pipe white mold and the branch pipe white mold, and complete the mold assembling work of the white mold assembly.
The invention is described above by way of example with reference to the accompanying drawings. It will be clear that the invention is not limited to the embodiments described above. As long as various insubstantial improvements are made using the method concepts and technical solutions of the present invention; or the invention is not improved, and the conception and the technical scheme are directly applied to other occasions and are all within the protection scope of the invention.
Claims (1)
1. The method for assembling the positioning device used in the process of assembling the white mold for casting is characterized in that the positioning device comprises a sliding rail, a sliding block assembly body which is movably arranged on the sliding rail along the vertical direction and can be kept at a set height position, a measuring rod which is arranged on the sliding block assembly body and can synchronously move with the sliding block assembly body, and a positioning pin which is arranged on the measuring rod and is used for being inserted into a bolt hole on a white mold of a branch pipe, wherein the sliding rail is provided with scale marks for indicating the height position of the sliding block assembly body, and a plurality of positioning pins are arranged;
The positioning device also comprises a workbench for placing the main pipe white mould and a base arranged on the workbench, and the sliding rail is arranged on the base; the base is fixedly arranged on the top surface of the workbench, the top surface of the workbench is a horizontal surface, the length direction of the base is parallel to the first direction, the first direction is a horizontal direction, the sliding rail is vertically arranged, the length direction of the sliding rail is a vertical direction, the lower end of the sliding rail is fixedly connected with the base, and the sliding rail is fixedly connected with the base at the middle position of the base in the length direction;
The white mold component is used when the lost foam casting process is adopted to cast the three-way pipe fitting, the main pipe white mold and the branch pipe white mold are both cylinders, one end of the branch pipe white mold is provided with a flange plate, the other end of the branch pipe white mold is connected with the main pipe white mold, the flange plate is provided with a plurality of bolt holes, the bolt holes are round holes, the axes of the bolt holes are parallel to the axes of the branch pipe white mold, the bolt holes are through holes which are arranged on the flange plate in a penetrating way, and all the bolt holes are uniformly distributed on the flange plate along the circumferential direction by taking the axes of the branch pipe white mold as a central line;
When the mould is assembled, the main pipe white mould is placed on the top surface of the workbench in a vertical state, the main pipe white mould is positioned on one side of the base, the axis of the main pipe white mould is a vertical line, the main pipe white mould and the base are positioned on the same straight line parallel to the second direction, the second direction is a horizontal direction, and the second direction is perpendicular to the first direction; positioning the branch pipe white mold through a positioning device, wherein each positioning pin is respectively inserted into one bolt hole on a flange plate of the branch pipe white mold, so that the branch pipe white mold is horizontally abutted against the main pipe white mold, the axis of the branch pipe white mold is parallel to the second direction, accurate positioning of the branch pipe white mold is realized, and the levelness of the bolt hole is ensured;
The two positioning pins are symmetrically arranged, and the sliding rail is positioned between the two positioning pins; the two positioning pins are positioned on the same straight line parallel to the first direction, the positioning pins are cylindrical, the axes of the positioning pins are parallel to the second direction, and the sliding rail is positioned at the middle position of the two positioning pins;
The measuring rod is fixedly connected with the slider assembly body, the measuring rod is horizontally arranged, the length direction of the measuring rod is parallel to the first direction, the slider assembly body is positioned above the base, and the positioning pin extends towards the outer side of the measuring rod along the horizontal direction; when the mould is assembled, two locating pins are respectively inserted into two symmetrical bolt holes on the flange plate of the branch pipe white mould, the diameters of the locating pins are the same as the diameters of the bolt holes, and the locating device provides a supporting effect for the branch pipe white mould so as to realize accurate locating of the branch pipe white mould;
The measuring rod is provided with a plurality of mounting positions for mounting the positioning pins, each positioning pin is respectively mounted at one mounting position, all the mounting positions are sequentially arranged along the length direction of the measuring rod, so that the distance between the positioning pins and the sliding rail can be adjusted to be suitable for positioning of the white mold of the branch pipe with different specifications, the diameters of flanges of the white mold of the branch pipe with different specifications are different, and correspondingly, the distances between two bolt holes in the flanges for inserting the two positioning pins are different; for the branch pipe white molds with different specifications, the installation positions of the two positioning pins on the measuring rod are required to be adjusted, so that the positioning requirements of the branch pipe white molds with different specifications are met;
The positioning pins are arranged on the measuring rod through bolts, the measuring rod is provided with mounting holes for the bolts to pass through, the mounting holes are positioned at mounting positions, one mounting hole is respectively arranged at each mounting position, all the mounting holes on the measuring rod are distributed on two sides of the sliding rail, and all the mounting holes are symmetrically distributed on two opposite sides of the sliding rail; the positioning pin is provided with a threaded hole for inserting the bolt, and the positioning pin and the bolt are screwed down to fix the position of the positioning pin; when the position of the locating pin needs to be replaced, unscrewing the locating pin and the bolt to separate the locating pin from the bolt, inserting the bolt into a mounting hole at a designated mounting position, and mounting the locating pin to enable the distance between the two locating pins to be the same as the distance between two bolt holes on a flange plate of a white mold of a branch pipe needing to be located;
The diameters of bolt holes on flanges of the branch pipe white dies of different specifications are also different, the positioning pins are arranged to be replaceable, the positioning pins are provided with various specifications with different diameters, the diameters of threaded holes of the positioning pins of different specifications are the same, the positioning pins are suitable for being matched with the same bolt, and the diameters of two positioning pins arranged on a measuring rod are the same;
The scale marks are arranged on the first surface of the sliding rail, the first surface is the surface of the sliding rail facing the main pipe white mold, scale values of the scale marks gradually increase from the lower end of the sliding rail to the upper end of the sliding rail along the length direction of the sliding rail, and the scale values represent the height positions of the branch pipe white mold during positioning; before the mould is assembled, the sliding block assembly is adjusted to a designated height position according to the height position of the white mould of the branch pipe, so that the sliding block assembly is aligned with a scale mark on the sliding rail, and the scale value corresponding to the scale mark is the height of the white mould of the branch pipe during positioning;
The sliding block assembly is of a U-shaped structure, the sliding block assembly is fixedly connected with the measuring rod at the middle position of the measuring rod in the length direction, the sliding block assembly is sleeved on the sliding rail, the sliding rail is inserted into the inner cavity of the sliding block assembly, the sliding rail is positioned between the sliding block assembly and the measuring rod, the measuring rod seals the opening end of the sliding block assembly, and the sliding rail is limited in the horizontal direction;
The positioning device further comprises a locking mechanism which is arranged on the sliding block assembly body and keeps the sliding block assembly body at a set height position, and the locking mechanism comprises a support seat connected with the sliding block assembly body, a stop block which is rotatably arranged on the support seat and used for applying pressure to the sliding rail, and a control handle connected with the stop block; the support is fixedly arranged at the closed end of the sliding block assembly body, the sliding block assembly body is provided with a avoidance hole for the stop block to pass through, and the stop block is inserted into the inner cavity of the sliding block assembly body after passing through the avoidance hole; the stop block is rotationally connected with the support through a rotating shaft, and the rotation center line of the stop block is parallel to the first direction; the length direction of the control handle is perpendicular to the first direction, the control handle is fixedly connected with the stop block, the control handle is used for enabling the hands of an operator to hold, and the control handle is used for receiving acting force applied by the operator to enable the stop lever to rotate up and down; the sliding rail is provided with a cushion block for contacting with the stop block, the cushion block is fixedly arranged on the second surface of the sliding rail, the first surface and the second surface of the sliding rail are the surfaces on two opposite sides of the sliding rail, and the first surface and the second surface are planes perpendicular to the second direction;
When the slider assembly is required to be fixed at a designated height position, an operator pulls the control handle downwards, the control handle drives the stop block to rotate upwards, the end part of the stop block is contacted with the cushion block, pressure along a second direction is applied to the sliding rail, meanwhile, the slider assembly moves slightly along the second direction towards a position far away from the sliding rail, finally, the measuring rod is contacted with the first surface of the sliding rail, the sliding rail is clamped by the stop block and the measuring rod, and therefore the slider assembly is fixed, the slider assembly and the sliding rail are kept relatively fixed, and meanwhile, the measuring rod is fixed; when the unlocking is needed, an operator pulls the control handle upwards, the control handle drives the stop block to rotate downwards, the end part of the stop block is separated from the cushion block, the stop block does not squeeze the sliding rail any more, so that looseness is generated between the sliding block assembly and the measuring rod and the sliding rail, then the sliding block assembly is slid up and down, and the height position of the sliding block assembly is adjusted.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910491509.3A CN110064730B (en) | 2019-06-06 | 2019-06-06 | Positioning device and assembling method used in white mold assembly process for casting |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910491509.3A CN110064730B (en) | 2019-06-06 | 2019-06-06 | Positioning device and assembling method used in white mold assembly process for casting |
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| CN110064730A CN110064730A (en) | 2019-07-30 |
| CN110064730B true CN110064730B (en) | 2024-09-24 |
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| CN113996752B (en) * | 2021-10-29 | 2022-06-28 | 北京航空航天大学 | Wax mold vertical position positioning device and positioning method for precision casting |
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| CN206643403U (en) * | 2017-04-13 | 2017-11-17 | 江苏建筑职业技术学院 | For boring the frock clamp of reaming |
| CN206816635U (en) * | 2017-05-03 | 2017-12-29 | 山西骏通铸管有限公司 | A kind of white mould of flanged tee pipe fitting bonds positioning tool |
| CN210254088U (en) * | 2019-06-06 | 2020-04-07 | 芜湖新兴铸管有限责任公司 | Positioning device used in mold assembling process of white mold assembly for casting |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR200472190Y1 (en) * | 2012-08-10 | 2014-04-08 | 주식회사 현대미포조선 | Jig for assembling flange |
| CN203069183U (en) * | 2012-12-17 | 2013-07-17 | 天津新港船舶重工有限责任公司 | Leveling instrument for assembling piping flange |
| CN104668492A (en) * | 2013-11-28 | 2015-06-03 | 青岛大运机械有限公司 | Locating fixture for evanescent-mode foam-losing pattern |
| CN206703170U (en) * | 2017-03-14 | 2017-12-05 | 霍邱县鑫瑞金属制品有限责任公司 | A kind of casting pattern cutter device of adjustable-angle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN205571809U (en) * | 2016-04-27 | 2016-09-14 | 中船黄埔文冲船舶有限公司 | Flange rapid Assembly frock |
| CN206643403U (en) * | 2017-04-13 | 2017-11-17 | 江苏建筑职业技术学院 | For boring the frock clamp of reaming |
| CN206816635U (en) * | 2017-05-03 | 2017-12-29 | 山西骏通铸管有限公司 | A kind of white mould of flanged tee pipe fitting bonds positioning tool |
| CN210254088U (en) * | 2019-06-06 | 2020-04-07 | 芜湖新兴铸管有限责任公司 | Positioning device used in mold assembling process of white mold assembly for casting |
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| CN110064730A (en) | 2019-07-30 |
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