CN113320003A - Centrifugal forming die of high-strength conical cement rod - Google Patents

Centrifugal forming die of high-strength conical cement rod Download PDF

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Publication number
CN113320003A
CN113320003A CN202110610269.1A CN202110610269A CN113320003A CN 113320003 A CN113320003 A CN 113320003A CN 202110610269 A CN202110610269 A CN 202110610269A CN 113320003 A CN113320003 A CN 113320003A
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CN
China
Prior art keywords
die
rod
servo motor
worm
flange
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110610269.1A
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Chinese (zh)
Inventor
杨克松
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hefei Yangtze River Concrete Products Co ltd
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Hefei Yangtze River Concrete Products Co ltd
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Publication date
Application filed by Hefei Yangtze River Concrete Products Co ltd filed Critical Hefei Yangtze River Concrete Products Co ltd
Priority to CN202110610269.1A priority Critical patent/CN113320003A/en
Publication of CN113320003A publication Critical patent/CN113320003A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B21/00Methods or machines specially adapted for the production of tubular articles
    • B28B21/76Moulds
    • B28B21/80Moulds adapted to centrifugal or rotational moulding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B21/00Methods or machines specially adapted for the production of tubular articles
    • B28B21/76Moulds
    • B28B21/82Moulds built-up from several parts; Multiple moulds; Moulds with adjustable parts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B21/00Methods or machines specially adapted for the production of tubular articles
    • B28B21/86Cores

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)

Abstract

The invention discloses a centrifugal forming die for a high-strength conical cement rod, which relates to the technical field of cement rod dies and comprises an outer die and an inner die, wherein the outer surface of the outer die is connected with a rotary driving mechanism for driving the outer die to axially rotate. The end part of the outer die is integrally formed with an outer die flange, and the end part of the inner die is integrally formed with an inner die flange. The end part of the outer die is fixedly connected with a cover plate through a bolt, and the cover plate is provided with an exhaust hole. An irrigation channel is axially formed in the inner die, a plurality of through holes are communicated with the side wall of the irrigation channel, and one end, far away from the irrigation channel, of each through hole is communicated with the outside. According to the invention, the rotary driving mechanism is arranged, the servo motor provides power to drive the driving gear to rotate, the driving gear drives the driven gear to rotate, and the driven gear drives the outer mold to axially rotate, so that the outer mold is continuously rotated to carry out centrifugal molding, and the concrete in the outer mold is more tightly filled.

Description

Centrifugal forming die of high-strength conical cement rod
Technical Field
The invention relates to the technical field of cement rod molds, in particular to a centrifugal forming mold for a high-strength conical cement rod.
Background
The existing general cement rod manufacturing method mainly adopts a mould as a single external mould centrifugal molding process to manufacture the cement rod, namely: the manufactured reinforcing rib framework is firstly arranged in an outer die, then the stirred concrete cement paste is arranged in the outer die, the die is placed on a centrifuge to rotate at a high speed, the concrete arranged in the die rotates and centrifuges, and the concrete is uniformly distributed on the inner wall of the die. And (4) taking the mold off the centrifuge, curing the concrete by steam after the concrete is solidified, and then cooling and demolding to finish the main production flow. In the process, because the inner hole of the product is not limited by a mould, the inner surface of the concrete cement paste is in a free state, and the excess cement paste is thrown out from the two ends of the mould, the working environment is dirty, and the cement paste which is not thrown out flows on the inner surface of the cement rod, so that the wall thickness of the cement rod is uneven, and the quality of the inner wall is poor. The centrifugal process is only limited to the forming and manufacturing of concrete containing coarse aggregate, and when cement mortar without coarse aggregate is used for manufacturing the cement rod, the inner wall of the cement rod is collapsed, the outer wall of the cement rod is sunk and the like. In addition, in the process method, because the diameters of the two ends of the cement rod are different, the centrifugal force generated by cement mortar at the two ends is also different during rotation, and the cement mortar can continuously flow from the small end to the large end in the traditional horizontal centrifugal process, so that the wall thickness of the cement rod is difficult to control. In addition, the top end of a product produced by the process method is in a hole opening form, a cement end socket is required to be manufactured after the product is manufactured for preventing rainwater erosion, the working procedures are increased, and the end socket is not firm in secondary bonding and is easy to fall off.
Disclosure of Invention
The invention aims to solve the problems and provides a centrifugal forming die for a high-strength conical cement rod.
In order to achieve the purpose, the invention adopts the following technical scheme:
a centrifugal shaping mould for high-strength conic cement rod is composed of external mould and internal mould.
The outer surface of the outer die is connected with a rotary driving mechanism which drives the outer die to rotate axially.
The end part of the outer die is integrally formed with an outer die flange, and the end part of the inner die is integrally formed with an inner die flange.
The end part of the outer die is fixedly connected with a cover plate through a bolt, and the cover plate is provided with an exhaust hole.
An irrigation channel is axially formed in the inner die, a plurality of through holes are communicated with the side wall of the irrigation channel, and one end, far away from the irrigation channel, of each through hole is communicated with the outside.
Optionally, the rotary driving mechanism is composed of a driven gear, a driving gear and a servo motor;
the driven gear is meshed with the driving gear, the driven gear is fixedly connected to the outer surface of the outer die, and the driving gear is in key connection with an output shaft of the servo motor.
Optionally, the through holes are arranged along a radial direction of the inner die.
Optionally, the inner mold rib is connected with a hoisting mechanism for driving the inner mold rib to move linearly.
Optionally, the hoisting mechanism comprises a support plate, a polish rod and a lead screw;
the supporting plate is fixedly connected with the polished rod, the polished rod is connected with the inner mold flange in a sliding mode, the supporting plate is connected with the screw rod in a rotating mode, and the screw rod is in threaded connection with the inner mold flange.
Optionally, the hoisting mechanism further comprises a driving assembly, and the driving assembly is composed of a second servo motor, a worm wheel, a worm and a bearing seat;
the second servo motor is installed on the supporting plate, an output rod of the second servo motor is fixedly connected with a worm, the worm is meshed with a worm wheel, the worm wheel is connected with a lead screw key, the worm is connected with a bearing seat, and the bearing seat is installed on the supporting plate.
Optionally, the polished rod and the screw rod are fixedly connected with a stop block at the end opening of the supporting plate.
The invention has the following advantages:
according to the invention, the rotary driving mechanism is arranged, the servo motor provides power to drive the driving gear to rotate, the driving gear drives the driven gear to rotate, and the driven gear drives the outer mold to axially rotate, so that the outer mold is continuously rotated to carry out centrifugal molding, and the concrete in the outer mold is more tightly filled.
According to the invention, the pouring channel and the through hole are arranged on the inner die, so that on one hand, the screening effect of the through hole is realized, the large-particle concrete is prevented from participating in pouring operation, on the other hand, the pouring forming from inside to outside is facilitated, and thus the radial pouring is formed.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the hoisting structure in fig. 1.
In the figure: the device comprises an outer die 1, an inner die 2, a through hole 3, a driven gear 4, a driving gear 5, a servo motor 6, an outer die flange 7, a cover plate 8, a bolt 9, an inner die flange 10, an irrigation channel 11, a hoisting mechanism 12, a support plate 121, a polished rod 122, a lead screw 123, a stop 124, a second servo motor 125, a worm gear 126, a worm 127, a bearing seat 128 and an exhaust hole 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-2, a centrifugal forming die for a high-strength conical cement rod comprises an outer die 1 and an inner die 2, wherein the outer die 1 and the inner die 2 both adopt a conical structure, as shown in fig. 1.
The outer surface of the outer die 1 is connected with a rotary driving mechanism which drives the outer die to axially rotate. The rotary driving mechanism consists of a driven gear 4, a driving gear 5 and a servo motor 6, and the details of the rotary driving mechanism are as follows:
driven gear 4 meshes with driving gear 5, and driven gear 4 fixed connection is at the surface of external mold 1, and driving gear 5 is connected with servo motor 6's output shaft key.
The rotary driving mechanism provides power through the servo motor 6 to drive the driving gear 5 to rotate, the driving gear 5 drives the driven gear 4 to rotate, and the driven gear 4 drives the outer mold 1 to axially rotate, so that the outer mold 1 continuously rotates, and concrete in the outer mold is filled more tightly.
The end part of the outer mold 1 is integrally provided with an outer mold flange 7, and the end part of the inner mold 2 is integrally provided with an inner mold flange 10.
The internal mold flange 10 is connected with a hoisting mechanism 12 for driving the internal mold flange to do linear motion, the hoisting mechanism 12 comprises a supporting plate 121, a polished rod 122 and a screw rod 123, and the specific details of the hoisting mechanism 12 are as follows:
the supporting plate 121 is fixedly connected with the polish rod 122, the polish rod 122 is slidably connected with the inner mold flange 10, the supporting plate 121 is rotatably connected with the screw rod 123, and the screw rod 123 is in threaded connection with the inner mold flange 10.
The hoisting mechanism 12 enables the inner mold flange 10 to move linearly only along the axial direction of the polish rod 122 through the limit of the polish rod 122, and the screw rod 123 enables the inner mold flange 10 to move linearly along with the rotation of the screw rod 123.
The hoisting mechanism 12 further comprises a driving assembly, the driving assembly is composed of a second servo motor 125, a worm wheel 126, a worm 127 and a bearing seat 128, and the specific details of the driving assembly are as follows:
the second servo motor 125 is installed on the support plate 121, an output rod of the second servo motor 125 is fixedly connected with a worm 127, the worm 127 is meshed with a worm wheel 126, the worm wheel 126 is in key connection with a screw rod 123, the worm 127 is connected with a bearing block 128, and the bearing block 128 is installed on the support plate 121.
The driving assembly drives the worm 127 to rotate through the driving of the second servo motor 125, the worm 127 drives the worm wheel 126 to rotate, and the worm 126 finally drives the screw rod 123 to rotate, so that the axial displacement of the inner mold rib 10 is realized.
In this embodiment, polish rod 122 and lead screw 123 are kept away from equal fixedly connected with dog 124 in one end port department of backup pad 121, and setting up of dog 124 has played spacing, anticreep effect, and the minimum motion height of restriction centre form flange 10 avoids it to deviate from simultaneously.
The end part of the outer die 1 is fixedly connected with a cover plate 8 through a bolt 9, the cover plate 8 is provided with an exhaust hole 13, and the exhaust hole 13 is used for exhausting gas in the outer die 1.
Watering passageway 11 has been seted up to the axial in the centre form 2, and the intercommunication has a plurality of through-holes 3 on watering passageway 11's the lateral wall, and the one end and the external intercommunication of watering passageway 11 are kept away from to through-hole 3.
In this embodiment, the through hole 3 is radially arranged along the inner mold 2, and the through hole 3 is made to have the shortest length by radial arrangement, so that concrete can be saved, and later-stage dredging and cleaning are facilitated.
The hoisting mechanism 12 drives the inner mold flange 10 and the inner mold 2 to enter the outer mold 1 and descend to a specified position, concrete is poured through the pouring channel 11, the outer mold 1 is driven to rotate continuously through the rotary driving mechanism during pouring, centrifugal forming is achieved, filling of the concrete is enabled to be tighter, and bubbles and gaps in the concrete are reduced to the minimum. After the concrete is formed, the external mold 1 is continuously driven to rotate through the rotary driving mechanism, and shearing is realized through the rotation of the external mold 1, so that the concrete in the through hole 3 can be separated from the concrete between the external mold 1 and the internal mold 2, and finally, the internal mold 2 is lifted out for dredging and cleaning through the hoisting mechanism 12 after the conical electric pole is formed.
The above description is only a preferred embodiment of the present invention, and not intended to be exhaustive or to limit the scope of the present invention, and any person skilled in the art can substitute or change the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims (7)

1. The utility model provides a centrifugal molding mould of high strength toper cement pole, includes external mold (1) and centre form (2), its characterized in that:
the outer surface of the outer die (1) is connected with a rotary driving mechanism which drives the outer die to axially rotate;
the end part of the outer die (1) is integrally formed with an outer die flange (7), and the end part of the inner die (2) is integrally formed with an inner die flange (10);
the end part of the outer die (1) is fixedly connected with a cover plate (8) through a bolt (9), and the cover plate (8) is provided with an exhaust hole (13);
watering passageway (11) have been seted up to the axial in centre form (2), the intercommunication has a plurality of through-holes (3) on the lateral wall of watering passageway (11), the one end and the external world intercommunication of watering passageway (11) are kept away from in through-hole (3).
2. The centrifugal molding die for high-strength conical cement poles as claimed in claim 1, wherein said rotary driving mechanism is composed of a driven gear (4), a driving gear (5) and a servo motor (6);
the driven gear (4) is meshed with the driving gear (5), the driven gear (4) is fixedly connected to the outer surface of the outer die (1), and the driving gear (5) is in key connection with an output shaft of the servo motor (6).
3. The centrifugal forming die for the high-strength conical cement pole as claimed in claim 1, wherein the through holes (3) are arranged along the radial direction of the inner die (2).
4. The centrifugal molding die for high-strength conical cement poles as claimed in claim 1, characterized in that said inner mold rib (10) is connected with a hoisting mechanism (12) for driving the inner mold rib to move linearly.
5. The centrifugal molding die for the high-strength conical cement pole as claimed in claim 4, wherein the hoisting mechanism (12) comprises a support plate (121), a polish rod (122) and a lead screw (123);
the supporting plate (121) is fixedly connected with the polish rod (122), the polish rod (122) is in sliding connection with the inner mold flange (10), the supporting plate (121) is rotatably connected with the screw rod (123), and the screw rod (123) is in threaded connection with the inner mold flange (10).
6. The centrifugal molding die for the high-strength conical cement pole as claimed in claim 5, wherein the hoisting mechanism (12) further comprises a driving component, the driving component is composed of a second servo motor (125), a worm wheel (126), a worm (127) and a bearing seat (128);
the second servo motor (125) is installed on the supporting plate (121), an output rod of the second servo motor (125) is fixedly connected with a worm (127), the worm (127) is meshed with a worm wheel (126), the worm wheel (126) is connected with a screw rod (123) in a key mode, the worm (127) is connected with a bearing seat (128), and the bearing seat (128) is installed on the supporting plate (121).
7. The centrifugal molding die for the high-strength conical cement rod as claimed in claim 5, wherein a stop block (124) is fixedly connected to each of the port of the polish rod (122) and the port of the lead screw (123) far away from the supporting plate (121).
CN202110610269.1A 2021-06-01 2021-06-01 Centrifugal forming die of high-strength conical cement rod Pending CN113320003A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110610269.1A CN113320003A (en) 2021-06-01 2021-06-01 Centrifugal forming die of high-strength conical cement rod

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110610269.1A CN113320003A (en) 2021-06-01 2021-06-01 Centrifugal forming die of high-strength conical cement rod

Publications (1)

Publication Number Publication Date
CN113320003A true CN113320003A (en) 2021-08-31

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CN202110610269.1A Pending CN113320003A (en) 2021-06-01 2021-06-01 Centrifugal forming die of high-strength conical cement rod

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119175774A (en) * 2024-11-26 2024-12-24 赣州艺佳兴陶瓷有限公司 A molding die for a ceramic crucible

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1982016A (en) * 2006-01-18 2007-06-20 邱则有 A thin-walled tube rotary forming machine
WO2012139160A1 (en) * 2011-04-11 2012-10-18 Vijay Investments Pty Ltd Method and system for forming a support structure
CN102941622A (en) * 2012-11-16 2013-02-27 祁锦明 Centrifugal forming die and construction method for high-strength conical cement pole
CN105729622A (en) * 2016-02-23 2016-07-06 初明进 Production process of concrete hollow square pile
CN206690282U (en) * 2017-05-10 2017-12-01 煤炭工业合肥设计研究院 A kind of manufacture mould of the prefabricated pier of high-strength light
CN208576015U (en) * 2018-07-18 2019-03-05 天津雍美特建材有限公司 A kind of molding machine of pipe of cement
CN209775446U (en) * 2019-03-26 2019-12-13 常熟祥博精密机械有限公司 Demoulding device
CN210389637U (en) * 2019-05-21 2020-04-24 浙江双冠建材股份有限公司 Forming die is used in cement pipe production
CN111136784A (en) * 2020-03-30 2020-05-12 高唐县鼎力建筑机械有限公司 Cement pipe manufacturing equipment and manufacturing process
CN212288126U (en) * 2020-05-04 2021-01-05 南京云海电气有限公司 Mould is used in production of toper cement pipe

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1982016A (en) * 2006-01-18 2007-06-20 邱则有 A thin-walled tube rotary forming machine
WO2012139160A1 (en) * 2011-04-11 2012-10-18 Vijay Investments Pty Ltd Method and system for forming a support structure
CN102941622A (en) * 2012-11-16 2013-02-27 祁锦明 Centrifugal forming die and construction method for high-strength conical cement pole
CN105729622A (en) * 2016-02-23 2016-07-06 初明进 Production process of concrete hollow square pile
CN206690282U (en) * 2017-05-10 2017-12-01 煤炭工业合肥设计研究院 A kind of manufacture mould of the prefabricated pier of high-strength light
CN208576015U (en) * 2018-07-18 2019-03-05 天津雍美特建材有限公司 A kind of molding machine of pipe of cement
CN209775446U (en) * 2019-03-26 2019-12-13 常熟祥博精密机械有限公司 Demoulding device
CN210389637U (en) * 2019-05-21 2020-04-24 浙江双冠建材股份有限公司 Forming die is used in cement pipe production
CN111136784A (en) * 2020-03-30 2020-05-12 高唐县鼎力建筑机械有限公司 Cement pipe manufacturing equipment and manufacturing process
CN212288126U (en) * 2020-05-04 2021-01-05 南京云海电气有限公司 Mould is used in production of toper cement pipe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119175774A (en) * 2024-11-26 2024-12-24 赣州艺佳兴陶瓷有限公司 A molding die for a ceramic crucible

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Application publication date: 20210831