CN219820116U - Mould damping positioning structure for internal mould lifting type core mould vibration pipe making machine - Google Patents
Mould damping positioning structure for internal mould lifting type core mould vibration pipe making machine Download PDFInfo
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- CN219820116U CN219820116U CN202321161291.3U CN202321161291U CN219820116U CN 219820116 U CN219820116 U CN 219820116U CN 202321161291 U CN202321161291 U CN 202321161291U CN 219820116 U CN219820116 U CN 219820116U
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- vibration
- pin seat
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- 238000013016 damping Methods 0.000 title claims abstract description 23
- 238000003825 pressing Methods 0.000 claims abstract description 22
- 230000009467 reduction Effects 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
- 239000011150 reinforced concrete Substances 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 description 4
- 235000000396 iron Nutrition 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005119 centrifugation Methods 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
Abstract
A mould vibration damping positioning structure for an internal mould lifting type core mould vibration pipe making machine relates to a reinforced concrete pipe making process, comprising an external mould and a flange at the lower end of the external mould; a plurality of mounting holes are formed in the flange along the circumferential direction, each mounting hole is internally connected with a locating pin seat, each locating pin seat is provided with a central hole, the inner diameter of the upper part of each central hole of each locating pin seat is gradually increased to form a first step and a second step, a rubber damping spring is arranged on the first step of each locating pin seat, a pressing plate is arranged on the second step, the pressing plate presses the rubber damping spring, a clamp spring mounting groove is formed above the second step, a clamp spring is arranged in each clamp spring mounting groove, and the clamp springs are arranged above the pressing plates to prevent the pressing plates from axially moving; the die vibration reduction positioning structure further comprises a plurality of positioning pins, the number of the positioning pins is equal to that of the positioning pin seats, the positioning pins are arranged in a one-to-one correspondence mode, and the positioning pins penetrate through the positioning pin seats, the rubber vibration reduction springs and the pressing plate. The utility model adopts flexible positioning, avoids wearing the flange and eliminates impact noise.
Description
Technical Field
The utility model relates to a reinforced concrete pipe making process, in particular to a mould vibration reduction positioning structure for an internal mould lifting type core mould vibration pipe making machine.
Background
The existing medium-small-sized drain pipes are produced by adopting processes such as a suspension roller, centrifugation, radial extrusion and the like, the defects that the quality of the pipe is difficult to guarantee, the environmental protection requirement is not met and the like due to low production efficiency of the suspension roller and the centrifugation process are gradually eliminated by the market, and the problems that the radial extrusion process is high in energy consumption and high in raw material requirement and the like are caused by vast users. The internal mold lifting type core mold vibration pipe making machine successfully solves the problems, has the advantages of energy conservation, environmental protection, rapid production, small investment, low requirement on hardware of users and the like, and is suitable for most customers.
The existing internal mold lifting type core mold vibration pipe making machine mainly comprises a frame, a turntable, an external mold and an internal mold with a vibration source, wherein the internal mold is lifted through an internal mold lifting mechanism, a lower end connecting flange of the external mold is arranged on the turntable and needs to be positioned, the external mold is positioned mostly by adopting rigid positioning, namely four stop irons are uniformly distributed along the circumference of the outer diameter of the flange of the external mold, the stop irons are in a high-frequency vibration state during actual production, the stop irons are in rigid contact with the flange, the outer side of the flange is worn for a long time due to vibration, the positioning precision is influenced, and the design vibration noise is large and does not meet the environmental protection requirement.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides a die vibration damping positioning structure for an internal die lifting type core die vibration pipe making machine, which adopts flexible positioning, avoids wearing flanges and eliminates impact noise.
The purpose of the utility model is realized in the following way: a mould vibration damping positioning structure for an internal mould lifting type core mould vibration pipe making machine comprises an external mould and a flange at the lower end of the external mould; the flange is provided with a plurality of mounting holes along the circumferential direction, each mounting hole is internally connected with a locating pin seat, each locating pin seat is provided with a central hole, the inner diameter of the upper part of each central hole of each locating pin seat is gradually increased from bottom to top to form a first step and a second step, each first step of each locating pin seat is provided with a rubber damping spring, each second step is provided with a pressing plate, the pressing plate presses the rubber damping spring, a clamp spring mounting groove is formed above each second step, a clamp spring is arranged in each clamp spring mounting groove, and each clamp spring is arranged above the corresponding pressing plate to prevent the corresponding pressing plate from axially moving; the die vibration reduction positioning structure further comprises a plurality of positioning pins, the number of the positioning pins is equal to that of the positioning pin seats, the positioning pins are arranged in a one-to-one correspondence mode, and the positioning pins penetrate through the positioning pin seats, the rubber vibration reduction springs and the pressing plate.
Preferably, the lower part of the central hole of the locating pin seat is in a frustum shape with a small upper part and a large lower part.
Preferably, the upper end of the positioning pin is in a frustum shape with a small upper part and a large lower part.
Preferably, a circle of boss is integrally arranged at the upper end of the positioning pin seat, the boss is positioned above the flange, and the boss is connected with the flange through bolts.
Preferably, the number of the locating pins and the locating pin seats is four.
The beneficial effects of the utility model are as follows: when the outer die works, the outer die descends onto the rotary table from the upper part, the lower frustum-shaped part of the center hole of the positioning pin seat is contacted with the upper frustum-shaped part of the positioning pin, so that the outer die has the functions of correcting and guiding, and finally the outer die is centered by taking the positions of four positioning pins as the reference. During operation, the rubber vibration reduction spring in the positioning pin seat eliminates the vibration generated by the outer die and the positioning pin, and can effectively eliminate the rotation of the outer die caused by the vibration, so that the vibration force acts on the concrete to the maximum extent, and the best compaction effect is obtained. The design can exert the excitation force function to the greatest extent, eliminate the impact noise and meet the requirements of green environmental protection, energy conservation and consumption reduction.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic view of the structure of the locating pin and the locating pin holder.
In the figure, a locating pin 1, a locating pin seat 2, a rubber damping spring 3, a flange 4, an outer die 5, a bolt 6, a boss 7, a pressing plate 8, a clamp spring 9, a clamp spring 10, a step 11, a step 12 and a center hole 13.
Detailed Description
As shown in fig. 1 and 2, the vibration damping positioning structure of the die for the internal die lifting type core die vibration pipe making machine comprises an external die 5, wherein the lower end of the external die 5 is connected with a flange 4, four mounting holes are formed in the flange 4 along the circumferential direction, positioning pin seats 2 are formed in each mounting hole, a circle of boss 7 is integrally formed in the upper end of each positioning pin seat 2, the boss 7 is located above the flange 4, and the boss 7 is connected with the flange 4 through bolts 6.
The locating pin seat 2 is provided with a central hole 13, the lower part of the central hole 13 of the locating pin seat 2 is in a frustum shape with a small upper part and a large lower part, the inner diameter of the upper part of the central hole 13 of the locating pin seat 2 gradually increases from bottom to top to form a first step 11 and a second step 12, the first step 11 of the locating pin seat 2 is provided with a rubber damping spring 3, the second step 12 is provided with a pressing plate 8, and the pressing plate 8 presses the rubber damping spring 3. The clamp spring mounting groove 10 is further formed in the positioning pin seat 2, the clamp spring mounting groove 10 is formed in the upper portion of the second-stage step 12, the clamp spring 9 is arranged in the clamp spring mounting groove 10, and the clamp spring 9 is arranged above the pressing plate 8 to prevent the pressing plate 8 from moving axially.
The die vibration damping positioning structure further comprises four vertical positioning pins 1, the lower ends of the four positioning pins 1 are welded on a turntable of the inner die lifting type core die vibration pipe making machine, the upper ends of the positioning pins 1 are in a frustum shape with small upper parts and large lower parts, and the positioning pins 1 penetrate through the positioning pin seats 2, the rubber vibration damping springs 3 and the pressing plates 8.
When the outer die 5 is in operation, the outer die 5 descends onto the turntable from the upper side, the lower frustum-shaped part of the central hole 13 of the locating pin seat 2 is in contact with the upper frustum-shaped part of the locating pin 1, the deviation rectifying and guiding functions are achieved, the locating pin 1 passes through the locating pin seat 2, the rubber damping springs 3 and the pressing plate 8, and finally the outer die 5 is centered by taking the positions of the four locating pins 1 as the reference. During operation, the rubber vibration reduction spring 3 in the positioning pin seat 2 eliminates vibration generated by the outer die 5 and the positioning pin 1, and can effectively eliminate rotation of the outer die 5 caused by vibration, so that vibration force acts on concrete to the greatest extent, and the best compaction effect is obtained. The design can exert the excitation force function to the greatest extent and eliminate the impact noise.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (5)
1. A mould vibration damping positioning structure for an internal mould lifting type core mould vibration pipe making machine comprises an external mould and a flange at the lower end of the external mould; the method is characterized in that: the flange is provided with a plurality of mounting holes along the circumferential direction, each mounting hole is internally connected with a locating pin seat, each locating pin seat is provided with a central hole, the inner diameter of the upper part of each central hole of each locating pin seat is gradually increased from bottom to top to form a first step and a second step, each first step of each locating pin seat is provided with a rubber damping spring, each second step is provided with a pressing plate, the pressing plate presses the rubber damping spring, a clamp spring mounting groove is formed above each second step, a clamp spring is arranged in each clamp spring mounting groove, and each clamp spring is arranged above the corresponding pressing plate to prevent the corresponding pressing plate from axially moving; the die vibration reduction positioning structure further comprises a plurality of positioning pins, the number of the positioning pins is equal to that of the positioning pin seats, the positioning pins are arranged in a one-to-one correspondence mode, and the positioning pins penetrate through the positioning pin seats, the rubber vibration reduction springs and the pressing plate.
2. A die vibration damping positioning structure for an internal mold lifting type core mold vibration pipe making machine as defined in claim 1, wherein: the lower part of the central hole of the locating pin seat is in a frustum shape with a small upper part and a large lower part.
3. A die vibration damping positioning structure for an internal mold lifting type core mold vibration pipe making machine as defined in claim 1, wherein: the upper end of the locating pin is in a frustum shape with a small upper part and a large lower part.
4. A die vibration damping positioning structure for an internal mold lifting type core mold vibration pipe making machine as defined in claim 1, wherein: the upper end of the locating pin seat is integrally provided with a circle of boss, the boss is positioned above the flange, and the boss is connected with the flange through bolts.
5. A die vibration damping positioning structure for an internal mold lifting type core mold vibration pipe making machine as defined in claim 1, wherein: the number of the locating pins and the locating pin seats is four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321161291.3U CN219820116U (en) | 2023-05-15 | 2023-05-15 | Mould damping positioning structure for internal mould lifting type core mould vibration pipe making machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321161291.3U CN219820116U (en) | 2023-05-15 | 2023-05-15 | Mould damping positioning structure for internal mould lifting type core mould vibration pipe making machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219820116U true CN219820116U (en) | 2023-10-13 |
Family
ID=88274472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321161291.3U Active CN219820116U (en) | 2023-05-15 | 2023-05-15 | Mould damping positioning structure for internal mould lifting type core mould vibration pipe making machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219820116U (en) |
-
2023
- 2023-05-15 CN CN202321161291.3U patent/CN219820116U/en active Active
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