CN220348669U - Well mould shrink mechanism - Google Patents
Well mould shrink mechanism Download PDFInfo
- Publication number
- CN220348669U CN220348669U CN202321791920.0U CN202321791920U CN220348669U CN 220348669 U CN220348669 U CN 220348669U CN 202321791920 U CN202321791920 U CN 202321791920U CN 220348669 U CN220348669 U CN 220348669U
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- positive
- tooth
- mould
- mold
- negative double
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- 235000000621 Bidens tripartita Nutrition 0.000 claims abstract description 44
- 240000004082 Bidens tripartita Species 0.000 claims abstract description 44
- 208000006637 fused teeth Diseases 0.000 claims abstract description 44
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 230000001360 synchronised effect Effects 0.000 claims 1
- 238000000926 separation method Methods 0.000 abstract description 3
- 230000008602 contraction Effects 0.000 abstract 2
- 230000009194 climbing Effects 0.000 abstract 1
- 230000002441 reversible effect Effects 0.000 description 4
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Moulds, Cores, Or Mandrels (AREA)
Abstract
The utility model discloses a well mould shrinkage mechanism, which comprises a stand column mould and a movable column mould, wherein at least two coaxial positive and negative double-tooth screws are movably arranged on the stand column mould, the positive and negative double-tooth screws are connected through a connecting rod, two nut blocks are connected to the positive and negative double-tooth screws in a threaded manner, the two nut blocks synchronously move on the positive and negative double-tooth screws, a connecting plate is movably connected between the nut blocks and the movable column mould, and an executing element is in transmission connection with one positive and negative double-tooth screw through a driving shaft; according to the utility model, the positive and negative double-tooth screw is driven to rotate by the execution element, the movable column mould is contracted by the connecting plate movably connected with the nut block, the separation of the whole mould and the prefabricated part is realized, the demoulding is realized, a climbing manual rotation contraction mechanism is not needed, the operation is convenient, the mould disassembling efficiency is improved, the stress of the movable column mould is uniform, the supporting stability of the movable column mould is ensured, and the stability of the contraction operation is ensured.
Description
Technical Field
The utility model relates to the technical field of building construction, in particular to a well mold shrinkage mechanism.
Background
When demoulding is carried out after the concrete well is constructed and poured, the integral inner barrel mould needs to shrink inwards, and when shrinking, the mould plate needs to be driven to shrink inwards through the action of the demoulding shrinkage mechanism, so that the inner barrel mould and the inner wall of the well are separated. When the well mould is built, the shrinkage mechanism supports the template, so that the dimensional stability of the well mould is ensured. When the supporting points are less and concentrated, the whole movable column is concentrated in stress and easy to deform, and the main shaft is required to be manually lifted to rotate during shrinkage, so that the operation is inconvenient.
Disclosure of Invention
The utility model aims to solve the technical problems that: the well mould shrinkage mechanism is convenient to operate and stable to support.
In order to solve the technical problems, the utility model comprises an upright post die and a movable post die, wherein at least two coaxial positive and negative double-tooth screws are movably arranged on the upright post die, the positive and negative double-tooth screws are connected through a connecting rod, two nut blocks are connected to the positive and negative double-tooth screws in a threaded manner, the two nut blocks synchronously move on the positive and negative double-tooth screws, a connecting plate is movably connected between the nut blocks and the movable post die, and an executing element is in transmission connection with one positive and negative double-tooth screw through a driving shaft.
Preferably, the positive and negative double-tooth screw rod comprises an orthodontic thread section, a reverse thread section and smooth sections at two ends, wherein threaded holes are formed in the two nut blocks, threads in the threaded holes are respectively an orthodontic thread and a reverse thread, and the two nut blocks are respectively in threaded connection with the orthodontic thread section and the reverse thread section.
Preferably, the lower fixing block is welded on the upright post die, the upper fixing block is fixed on the lower fixing block through bolts, and a through hole for limiting the smooth section of the positive and negative double-tooth screw rod is formed between the lower fixing block and the upper fixing block in a surrounding mode.
Preferably, the positive and negative double-tooth screw rods are all provided with prismatic columns connected into a whole, and prismatic holes matched with the prismatic columns are formed at two ends of the connecting rod.
Preferably, a connecting block is arranged on the movable column die, and the connecting plate is connected with the connecting block through a bolt piece.
Preferably, the connecting block comprises a lower connecting block and an upper connecting block, the lower connecting block and the upper connecting block are clamped and fixed on the movable column die, and the bolt piece penetrates through the connecting plate and the movable column die and then is connected with the connecting block.
Preferably, the bolt piece comprises a screw rod section, a smooth surface section and a screw cap, wherein the smooth surface section and the screw rod section form a step, the smooth surface section is movably connected with the connecting plate, and the screw rod section is in threaded connection with the movable column die, the lower connecting block and the upper connecting block.
Preferably, the upright post mold is fixedly connected with a plurality of parallel guide rails, the guide rails are arranged along the width direction of the upright post mold, and the movable post mold is fixedly connected with a sliding block which is in sliding connection with the guide rails.
Preferably, the actuating element is a reversible motor.
The beneficial effects of the utility model are as follows: according to the utility model, the positive and negative double-tooth screw rods are driven to rotate by the execution element, the two nut blocks are driven to move, the movable column mould is contracted by the connecting plate movably connected with the nut blocks, and the separation of the whole mould and the prefabricated part is realized, so that the demoulding is realized, the shrinkage control of the well mould is realized by adopting electric drive, a lifting manual rotation shrinkage mechanism is not needed, the operation is convenient, the mould removing efficiency is improved, and each positive and negative double-tooth screw rod supports the movable column mould at two points through the connecting plate connected with the two nut blocks, so that the stress of the movable column mould is uniform, the supporting stability of the movable column mould is ensured, and meanwhile, the two nut blocks are simultaneously rotated on the positive and negative double-tooth screw rods, and the stability of shrinkage operation is ensured.
Drawings
FIG. 1 is a perspective view of the overall structure of the present utility model;
FIG. 2 is a schematic view of a portion of the structure of FIG. 1;
FIG. 3 is a schematic front view of a portion of the structure of the present utility model;
FIG. 4 is a schematic view of a portion of the structure of FIG. 3;
fig. 5 is a schematic cross-sectional view of A-A of fig. 4.
In the figure: 1. a column mould; 2. a movable column die; 3. an actuator; 4. a positive and negative double-tooth screw; 401. an orthodontic thread segment; 402. a back thread segment; 403. a smooth section; 404. prismatic columns; 5. a connecting rod; 6. a nut block; 7. a connecting plate; 8. a drive shaft; 9. a lower fixing block; 10. an upper fixing block; 11. a bolt member; 111. a screw section; 112. a smooth surface section; 113. a screw cap; 12. a lower connecting block; 13. an upper connecting block; 14. a guide rail; 15. a sliding block.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, in which all directional indications (such as up, down, left, right, front, and rear … …) are only used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
As shown in fig. 1-5, this embodiment provides a shrinkage mechanism of a hoistway mold, including an upright post mold 1, a movable post mold 2 and an executing element 3, the movable post mold 2 is two and is disposed at two sides of the upright post mold 1, the executing element 3 is a positive and negative motor, the positive and negative motor is a servo motor, two coaxial positive and negative double-tooth screws 4 are movably mounted on the upright post mold 1, the positive and negative double-tooth screws 4 are connected through a connecting rod 5, two nut blocks 6 are screwed on the positive and negative double-tooth screws 4, the two nut blocks 6 synchronously move on the positive and negative double-tooth screws 4, a connecting plate 7 is movably connected between the nut blocks 6 and the movable post mold 2, the two connecting plates 7 connected on the same positive and negative double-tooth screw 4 are distributed in a splayed structure, the executing element 3 is connected with one positive and negative double-tooth screw 4 through a driving shaft 8 in a transmission manner, and the positive and negative motor drives the positive and negative double-tooth screws 4 to rotate, thereby driving the nut blocks 6 to simultaneously move on the positive and negative double-tooth screws 4.
As shown in fig. 2 and 4, the positive and negative double-tooth screw 4 includes an orthodontic thread section 401, a negative thread section 402 and smooth sections 403 at two ends, threaded holes are respectively formed in two nut blocks 6, threads in the threaded holes are respectively an orthodontic thread and a negative thread, two nut blocks 6 are respectively connected with the orthodontic thread section 401 and the negative thread section 402, a specific threaded hole of the orthodontic thread is connected with the orthodontic thread section 401, the negative thread is connected with the negative thread section 402, the smooth sections 403 at two ends are used for limiting the positive and negative double-tooth screw 4, a specific lower fixing block 9 is welded on the upright post mold 1, an upper fixing block 10 is fixed on the lower fixing block 9 through bolts, a through hole for limiting the smooth sections 403 of the positive and negative double-tooth screw 4 is formed between the lower fixing block 9 and the upper fixing block 10, and the positive and negative double-tooth screw 4 is movably limited through the upper fixing block 9 and the lower fixing block 10. Meanwhile, in order to facilitate manual screwing of the positive and negative double-tooth screw 4, prismatic columns 404 connected into a whole are arranged at two ends of the positive and negative double-tooth screw 4, and prismatic holes matched with the prismatic columns 404 are arranged at two ends of the connecting rod 5, so that two adjacent positive and negative double-tooth screws 4 are connected together in a transmission way by the connecting rod 5.
As shown in fig. 2 to 5, a connecting block is mounted on the movable column die 2, a connecting plate 7 is connected with the connecting block through a bolt member 11, and a notch is formed in the nut block 6, and the connecting plate 7 is inserted into the notch and movably connected through a pin rod, so that the connecting plate 7 can rotate around the nut block 6 and the movable column die 2. Specifically, the connecting block includes lower connecting block 12 and last connecting block 13, and lower connecting block 12 and last connecting block 13 centre gripping are fixed on movable column mould 2, specifically can adopt the screw to fix lower connecting block 12 and last connecting block 13 on movable column mould 2, are provided with the arch simultaneously on last connecting block 13, and protruding laminating with movable column mould 2 is convenient for go up connecting block 13, and bolt 11 passes and links board 7, is connected with the connecting block behind the movable column mould 2, is connected link board 7 and movable column mould 2 through bolt 11. Simultaneously, the bolt 11 comprises a screw rod section 111, a smooth surface section 112 and a nut 113, the smooth surface section 112 and the screw rod section 111 form a step, the smooth surface section 112 is movably connected with the connecting plate 7, so that the connecting plate 7 can rotate around the bolt 11, the screw rod section 111 is in threaded connection with the movable column die 2, the lower connecting block 12 and the upper connecting block 13, the bolt 11 is fixedly connected with the movable column die 2, and meanwhile, the step formed between the smooth surface section 112 and the screw rod section 111 can press the upper connecting block 13, and meanwhile, free rotation of the connecting plate 7 and the smooth surface section 112 is ensured.
As shown in fig. 1-5, a plurality of parallel guide rails 14 are fixedly connected to the upright post mold 1, the guide rails 14 are arranged along the width direction of the upright post mold 1, a sliding block 15 which is slidably connected with the guide rails 14 is fixedly connected to the movable post mold 2, specifically, the sliding block 15 is fixed on the movable post mold 2 through bolts, and the sliding block 15 can slide freely on the guide rails 14, so that the movable post molds 2 on two sides of the upright post mold 1 slide along the width direction of the upright post mold 1, and the shrinkage and expansion directions of the movable post mold 2 are conveniently positioned.
The working principle is as follows: through positive and negative motor drive positive and negative double-tooth screw rod 4 rotation, drive two nut pieces 6 and remove, movable connection's even board 7 contracts movable column mould 2 on the nut piece 6, realize the separation of mould whole and prefab, thereby realize the drawing of patterns, adopt electric drive to realize the shrink control of well mould, need not ascend a height manual rotation shrink mechanism, convenient operation, the efficiency of dismantling the mould has been improved, and every positive and negative double-tooth screw rod 4 carries out two point positions to movable column mould 2 through the even board 7 that links of two nut pieces 6, make movable column mould 2's atress even, the supporting stability of movable column mould 2 has been guaranteed, simultaneously two nut pieces 6 rotate on positive and negative double-tooth screw rod 4 simultaneously, the stability of shrink operation has been guaranteed.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a well mould shrink mechanism, includes stand mould and movable column mould, its characterized in that, movable mounting has two at least coaxial positive and negative double-tooth screw rods on the stand mould, connect through the connecting rod between the positive and negative double-tooth screw rod, threaded connection has two nut pieces on the positive and negative double-tooth screw rod, two nut pieces synchronous movement on positive and negative double-tooth screw rod, swing joint has the link plate between nut piece and the movable column mould, actuating element passes through the drive shaft and is connected with one of them positive and negative double-tooth screw rod transmission.
2. The shrinkage mechanism of a well mold according to claim 1, wherein the positive and negative double-tooth screw comprises an positive tooth thread section, a negative tooth thread section and smooth sections at two ends, threaded holes are respectively formed in two nut blocks, threads in the threaded holes are respectively positive threads and negative threads, and the two nut blocks are respectively in threaded connection with the positive tooth thread section and the negative tooth thread section.
3. The shrinkage mechanism of a hoistway mold according to claim 2, wherein a lower fixing block is welded on the vertical column mold, an upper fixing block is fixed on the lower fixing block through bolts, and a through hole for limiting a smooth section of the positive and negative double-tooth screw is formed between the lower fixing block and the upper fixing block.
4. The shrinkage mechanism of a hoistway mold according to claim 2, wherein the positive and negative double-tooth screws are provided with prismatic columns connected into a whole, and prismatic holes matched with the prismatic columns are arranged at two ends of the connecting rod.
5. The hoistway mold shrinkage mechanism according to claim 1, wherein the movable column mold is provided with a connection block, and the connection plate is connected with the connection block by a bolt member.
6. The shrinkage mechanism of a hoistway mold according to claim 5, wherein the connection blocks comprise a lower connection block and an upper connection block, the lower connection block and the upper connection block are clamped and fixed on the movable column mold, and the bolt member is connected with the connection block after passing through the connection plate and the movable column mold.
7. The hoistway mold shrinkage mechanism according to claim 6, wherein the bolt member comprises a screw section, a smooth section and a nut, the smooth section forms a step with the screw section, the smooth section is movably connected with the connecting plate, and the screw section is in threaded connection with the movable column mold, the lower connecting block and the upper connecting block.
8. The hoistway mold shrinkage mechanism according to any of claims 1-7, wherein a plurality of parallel guide rails are fixedly connected to the column mold, the guide rails are arranged along the width direction of the column mold, and a slider slidably connected to the guide rails is fixedly connected to the movable column mold.
9. The hoistway mold shrinkage mechanism of claim 1, wherein the actuator is a positive and negative motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321791920.0U CN220348669U (en) | 2023-07-10 | 2023-07-10 | Well mould shrink mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321791920.0U CN220348669U (en) | 2023-07-10 | 2023-07-10 | Well mould shrink mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220348669U true CN220348669U (en) | 2024-01-16 |
Family
ID=89482755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321791920.0U Active CN220348669U (en) | 2023-07-10 | 2023-07-10 | Well mould shrink mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220348669U (en) |
-
2023
- 2023-07-10 CN CN202321791920.0U patent/CN220348669U/en active Active
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