Construction of column formwork with fixed mold

By setting a combination of reinforcement mechanisms and reinforcing rods on the template, the problem of uneven stress on the template is solved, ensuring uniform stress on the template and improving the surface quality of the structural column.

CN117266550BActive Publication Date: 2026-07-03CSCEC STRAIT CONSTR & DEV

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CSCEC STRAIT CONSTR & DEV
Filing Date
2023-11-10
Publication Date
2026-07-03

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Abstract

The application relates to a construction column formwork reinforcing and fixing type mold, which comprises a reinforcing mechanism and a driving mechanism, the reinforcing mechanism is enclosed in a formwork body, the reinforcing mechanism is provided with two groups, the two groups of reinforcing mechanisms are distributed along the vertical direction, the periphery of the formwork body is respectively provided with reinforcing rods, and the two ends of the reinforcing rods are respectively spherically hinged to the two groups of reinforcing mechanisms. The application has the effect of improving the surface quality of the construction column.
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Description

Technical Field

[0001] This application relates to the field of template technology, and in particular to structural column templates with fixing molds. Background Technology

[0002] Formwork reinforcement is an indispensable part of building construction and a crucial step in concrete forming. In existing technologies, column reinforcement typically involves using square column clamps to reinforce the formwork during casting. However, due to the limited effective area of ​​these clamps, the force is concentrated on a finite region. Areas of the formwork outside the clamps experience uneven stress compared to the area reinforced by the clamps, easily leading to bulges or pits in the cast column and ultimately affecting the quality of the structural column. Summary of the Invention

[0003] To improve the surface quality of structural columns, this application provides a structural column template plus a fixing mold.

[0004] The technical solution for the structural column formwork plus fixed mold provided in this application is as follows:

[0005] The structural column template with a fixed mold includes a reinforcing mechanism and a driving mechanism. The reinforcing mechanism surrounds the template body and is provided in two sets, which are distributed vertically. Reinforcing rods are provided around the template body, and the two ends of the reinforcing rods are respectively ball-hinged to the two sets of reinforcing mechanisms.

[0006] By adopting the above technical solution, the formwork body can be reinforced by the reinforcement mechanism, and a reinforcing rod is set between the two reinforcement mechanisms. When the reinforcement mechanism reinforces the formwork, the reinforcing rod abuts against the outer side of the formwork body and applies force to the middle of the formwork, so that the formwork body is subjected to uniform force, thereby reducing the phenomenon of uneven surface of the cast square column caused by uneven force on the formwork body, which affects the quality of the cast square column.

[0007] Optionally, a fastening frame is provided between two adjacent reinforcing rods. The fastening frame is L-shaped, and its two ends are respectively connected to the two adjacent reinforcing rods. The adjacent segments of the two adjacent reinforcing rods are located on the same side of the template body.

[0008] By adopting the above technical solution, a fastening frame is set on the reinforcing rod. The fastening frame is L-shaped, and the right angle of the fastening frame can be matched with the corner of the template body, thereby applying a fixing force to the corner of the template body, thus further fixing the template body and improving the installation stability of the template body.

[0009] Optionally, the reinforcement mechanism includes a locking component, which includes a plurality of racks surrounding the outside of the template body. The driving mechanism can drive the plurality of racks to clamp onto the template body.

[0010] By adopting the above technical solution, the rack can be driven to slide through the drive mechanism, thereby causing the rack to retract inward. After the rack retracts inward, it applies a force to the template body and applies a fastening force to the template body to fix the template body.

[0011] Optionally, the driving mechanism includes a quantitative driving component and a limiting component. The quantitative driving component includes two gears, and the racks are two first racks and two second racks. The two first racks and two second racks are arranged in a cross order and surround the template body. The gears are located at the intersection of the first racks and the second racks and mesh with both racks simultaneously, driving the first racks and the second racks to slide and approach the template body. The limiting component is used to limit the rotation of the gears.

[0012] By adopting the above technical solution, rotating the gear can move the first rack and the second rack simultaneously. Since the first rack and the second rack are driven by the same gear, the first rack and the second rack are subjected to the same force. The two adjacent first racks and the second rack exert the same force on the adjacent sides of the template, that is, the adjacent sides of the template body are subjected to uniform force, which makes it difficult for the surface of the square column cast inside the template body to have pits and unevenness.

[0013] Optionally, the limiting component includes a ratchet and a pawl, the template body is provided with a support plate, the ratchet is rotatably mounted on the support plate, the gear is coaxially arranged with the ratchet, the pawl meshes with the ratchet, and a knob is coaxially arranged with the gear.

[0014] By adopting the above technical solution, the gear can be driven to rotate by turning the knob, thereby driving the first rack and the second rack to rotate, so as to lock the template body. After the template body is locked, the pawl engages with the ratchet, thereby restricting the rotation of the ratchet, and then restricting the rotation of the gear, so that the first rack and the second rack will not move, thus ensuring that the template body can always remain in a locked state.

[0015] Optionally, the support plate is provided with an elastic element that forces the pawl to engage with the ratchet. The elastic element is a torsion spring. The lower surface of the pawl is provided with a rotating shaft that is rotatably connected to the support plate. The support plate is provided with a rotating groove. The torsion spring is coaxially sleeved on the rotating shaft. The two ends of the torsion spring are respectively connected to the support plate and the pawl.

[0016] By adopting the above technical solution, a torsion spring is provided. When it is necessary to force the first rack and the second rack to fix the template body, the gear needs to be rotated. At this time, the pawl can avoid the gear. When rotated to a suitable position, the pawl can engage with the gear under the action of the torsion spring, thereby reducing the possibility of the gear rotating in the opposite direction, so that the first rack and the second rack can clamp and fix the template body.

[0017] Optionally, the first and second racks of the upper and lower reinforcing mechanisms are staggered. The reinforcing rod is a telescopic structure, which includes a telescopic tube and a telescopic rod that slides vertically connected to the telescopic tube. One end of the telescopic tube is ball-hung to the lower surface of the upper first or second rack, and the other end of the telescopic rod is ball-hung to the lower first or second rack.

[0018] By adopting the above technical solution, when the first and second racks on the upper and lower sides move under the action of the quantitative drive component, the first and second racks on the upper and lower sides move in a direction away from each other. At this time, the distance between the connection points at both ends of the reinforcing rod is far away from each other. Therefore, in order to realize the feasibility of this structure, the length of the reinforcing rod needs to be set to be telescopically adjustable.

[0019] Optionally, springs are provided at both ends of the reinforcing rod. The axis of the spring is inclined to the vertical direction, and the axes of the two springs are parallel. One end of the upper spring is connected to the lower surface of the upper first or second rack, and the other end of the spring is connected to the telescopic tube. One end of the lower spring is connected to the lower surface of the upper first or second rack, and the other end of the spring is connected to the telescopic tube. The template body has an installation groove for the first or second rack to be engaged.

[0020] By adopting the above technical solution, when the first and second racks located on the same side of the template body move away from each other, the reinforcing rod will gradually tilt, thereby compressing the spring. The spring can apply a force that moves away from each other to the first and second racks, so that the first and second racks abut against the upper and lower side walls of the mounting groove respectively, thereby improving the fixing effect of the first and second racks.

[0021] Optionally, the first and second racks located on the same side of the template body are both located in the same mounting groove.

[0022] By adopting the above technical solution, the first rack and the second rack are set in the same mounting groove, so that the reinforcing rod can apply force to the template body by abutting against the groove wall of the mounting groove.

[0023] Optionally, the teeth of the first rack face the template body, the teeth of the second rack face the other side, and a covering is provided on the first rack. The covering is C-shaped and covers the teeth of the first rack.

[0024] By adopting the above technical solution, since the teeth of the first rack face the template body, the teeth on the first rack are easily stuck on the template body during sliding. Therefore, a covering is provided on the first rack to cover the teeth on the first rack.

[0025] In summary, the present invention has the following beneficial effects:

[0026] 1. The formwork body can be reinforced by the reinforcement mechanism, and a reinforcing rod is set between the two reinforcement mechanisms. When the reinforcement mechanism reinforces the formwork, the reinforcing rod abuts against the outer side of the formwork body and applies force to the middle of the formwork, so that the formwork body is evenly stressed, thereby reducing the phenomenon of uneven surface of the cast square column due to uneven stress on the formwork body, which affects the quality of the cast square column.

[0027] 2. When the first and second racks located on the same side of the template body move away from each other, the reinforcing rod will gradually tilt, thereby compressing the spring. The spring can apply a force that moves away from each other to the first and second racks, so that the first and second racks abut against the upper and lower side walls of the mounting groove respectively, thereby improving the fixing effect of the first and second racks. Attached Figure Description

[0028] Figure 1 This is a structural schematic diagram of this embodiment;

[0029] Figure 2 This is a schematic diagram of the structure of the first mounting component in this embodiment;

[0030] Figure 3 yes Figure 2 Enlarged view of point A in the middle;

[0031] Figure 4 This is a schematic diagram of the mechanism of the second mounting component in this embodiment;

[0032] Figure 5 yes Figure 2 Enlarged view of point B in the middle;

[0033] Figure 6 yes Figure 1 Enlarged view of point C;

[0034] Figure 7 This is a schematic diagram of the structure of the covering component in this embodiment;

[0035] Figure 8 yes Figure 1 Enlarged view of point D in the middle;

[0036] Figure 9 yes Figure 1 Enlarged view of point E in the middle;

[0037] Figure 10 This is a schematic diagram of the reinforcing rod in this embodiment.

[0038] In the diagram, 1. Template body; 11. First positioning groove; 111. First slot; 12. Second positioning groove; 121. Second slot; 13. Mounting groove; 2. First mounting component; 21. First mounting rod; 211. First through hole; 212. Second locking block; 22. Second mounting rod; 221. First locking block; 3. Second mounting component; 31. Third mounting rod; 311. Second through hole; 312. Third positioning groove; 32. Fourth mounting rod; 321. Fourth 322, fourth positioning groove; 4, locking assembly; 41, first rack; 42, second rack; 43, locking block; 44, covering part; 5, gear; 6, limiting assembly; 61, ratchet; 62, pawl; 63, support plate; 64, rotating groove; 65, rotating shaft; 66, torsion spring; 7, reinforcing rod; 71, telescopic tube; 72, telescopic rod; 73, spring; 8, first fastening frame; 81, first connecting rod; 9, second fastening frame; 92, second connecting rod. Detailed Implementation

[0039] The following is in conjunction with the appendix Figure 1-10 This application will be described in further detail.

[0040] This application discloses a structural column formwork plus a fixing mold, as shown in the embodiments below. Figure 1 It includes a reinforcement mechanism and a driving mechanism. In this embodiment, there are two reinforcement mechanisms. The two reinforcement mechanisms are distributed in the vertical direction and are offset at 90 degrees around the template body 1. The reinforcement mechanisms surround the template body 1. The driving mechanism can drive the reinforcement mechanisms to reinforce the template.

[0041] Reference Figure 1 and Figure 2The template body 1 is composed of several base plates, and the outer surface of the base plates is provided with several back ribs. The reinforcement mechanism includes a first mounting component 2, a second mounting component 3, and a locking component 4. The first mounting component 2 is configured in two sets, and the second mounting component 3 is configured in two sets. The two sets of first mounting components 2 and the two sets of second mounting components 3 are located at the four corners of the template body 1 and are arranged alternately. The first mounting component 2 and the second mounting component 3 of the lower reinforcement mechanism are staggered with the first mounting component 2 and the second mounting component 3 of the upper reinforcement mechanism. That is, the first mounting component 2 of the lower reinforcement mechanism is located below the second mounting component 3 of the upper reinforcement mechanism, and the second mounting component 3 of the lower reinforcement mechanism is located below the first mounting component 2 of the upper reinforcement mechanism.

[0042] Reference Figure 2 , Figure 3 and Figure 4 The first mounting component 2 includes a first mounting rod 21 and a second mounting rod 22 arranged intersecting each other. The first mounting rod 21 has a first through hole 211, and one end of the second mounting rod 22 passes through the first through hole 211. Two back ribs located on both sides of the corner of the template body 1 each have a first positioning groove 11. The two sides of the first positioning groove 11 extend to both sides of the back rib along its width direction. When installing the first mounting component 2, the first mounting rod 21 and the second mounting rod 22 are respectively engaged in the first positioning grooves 11 on both sides of the corner.

[0043] Reference Figure 2 , Figure 3 and Figure 4 To facilitate the installation of the first mounting component 2 onto the template body 1, the second mounting rod 22 is provided with a first locking block 221. One of the first positioning grooves 11 has a first locking slot 111 for the first locking block 221 to engage with it. During installation, the first locking block 221 is engaged within the first locking slot 111, thus initially limiting the position of the first mounting rod 21. A second locking block 212 is fixedly connected to one end of the first mounting rod 21 near the first positioning groove 11. After the first mounting rod 21 is fitted onto the second mounting rod 22, the first locking block 221 hooks onto another back rib to limit the position of the first mounting rod 21. Then, the first mounting rod 21 and the second mounting rod 22 are further secured with bolts.

[0044] Reference Figure 2 , Figure 4 and Figure 5The second mounting component 3 includes a third mounting rod 31 and a fourth mounting rod 32. The third mounting rod 31 has a second through hole 311 and passes through the second through hole 311. The back ribs on both sides of the corner of the template body 1 where the second mounting component 3 is installed are provided with second positioning grooves 12. When installing the second mounting component 3, the third mounting rod 31 and the fourth mounting rod 32 are respectively locked in the second positioning grooves 12 on both sides of the corner.

[0045] Reference Figure 2 , Figure 4 and Figure 5 To facilitate the installation of the second mounting component 3 onto the template body 1, a third locking block is fixedly connected to the third mounting rod 31. One of the second positioning grooves 12 has a second locking slot 121 for the third locking block to engage with it. During installation, the third locking block is engaged within the second locking slot 121, thus initially limiting the position of the third mounting rod 31. A fourth locking block 321 is fixedly connected to the end of the fourth mounting rod 32 furthest from the third mounting rod 31. After the fourth mounting rod 32 is fitted onto the third mounting rod 31, the fourth locking block 321 hooks onto another back rib to limit the position of the fourth mounting rod 32. Then, the third mounting rod 31 and the fourth mounting rod 32 are further secured with bolts.

[0046] Reference Figure 1 The locking component 4 includes several racks, and in this embodiment, there are four racks, including two first racks 41 and two second racks 42. The two first racks 41 and the two second racks 42 are alternately arranged and surround the outer periphery of the template body 1. Several back ribs are provided with mounting grooves 13 for the first racks 41 or the second racks 42 to be engaged. Limiting blocks are provided on the upper and lower sides of the mounting grooves 13. The first racks 41 and the second racks 42 are limited by the limiting blocks, so that the first racks 41 and the second racks 42 can slide and connect to the template body 1 along the width direction of the template body 1. The lower locking component 4 is staggered with the upper locking component 4, that is, the first rack 41 of the lower locking component 4 is located below the second rack 42 of the upper locking component 4, and the second rack 42 of the lower locking component 4 is located below the first rack 41 of the upper locking component 4.

[0047] Reference Figure 1 and Figure 6 Locking blocks 43 are fixedly connected to one side of the first rack 41 and the second rack 42. The locking blocks 43 extend along the thickness direction of the rack. The end of the first rack 41 with the locking blocks 43 is fixed to the end of the second rack 42 with the locking blocks 43, and the two sets of locking blocks 43 are located at the diagonal position and at the corner where the second mounting component 3 is located.

[0048] Reference Figure 1 , Figure 5 and Figure 6 The driving mechanism includes two sets of quantitative driving components, which are located at the corner where the first mounting component 2 is located. The quantitative driving components drive the first rack 41 and the second rack 42 to move away from the locking block 43, causing the locking block 43 on the first rack 41 to hook onto the side wall of the second rack 42, and vice versa. After the locking blocks 43 are engaged, the first rack 41 and the second rack 42 can clamp and fix the template body 1. The third mounting rod 31 and the fourth mounting rod 32 near the locking block 43 each have a third positioning groove 312 and a fourth positioning groove 322, respectively. The first rack 41 and the second rack 42 pass through the corresponding third positioning groove 312 and fourth positioning groove 322.

[0049] Reference Figure 1 and Figure 7 Since the first rack 41 and the second rack 42 need to move relative to each other, the teeth of the first rack 41 are positioned facing the timber, while the teeth of the second rack 42 are positioned facing away from the timber. A covering member 44, which is C-shaped, is provided on the first rack 41 to cover the teeth of the first rack 41. Because the teeth of the first rack 41 face the template body 1, the teeth of the first rack 41 are prone to getting stuck on the template body 1 during sliding. Therefore, the covering member 44 is provided on the first rack 41 to cover the teeth of the first rack 41, reducing the possibility of contact between the teeth of the first rack 41 and the template body 1, and reducing the possibility of the movement of the first rack 41 being affected.

[0050] Reference Figure 1 and Figure 8 A support plate 63 is provided on the first mounting rod 21 and the second mounting rod 22, and the drive mechanism is mounted on the support plate 63. The drive mechanism includes a quantitative drive component and a limiting component 6. The quantitative drive component includes two gears 5, which are located diagonally away from the locking block 43. The gears 5 are rotatably mounted on the support plate 63 and simultaneously mesh with the first rack 41 and the second rack 42, which intersect each other. Rotating the gears 5 drives the first rack 41 and the second rack 42 to move away from the locking block 43. When reinforcing the template body 1, the two gears 5 rotate the same number of times, so that the same tension is applied to the two sets of racks. This effectively ensures that the reinforcement mechanism applies the same force to the template body 1, making the template body 1 uniformly stressed. This reduces the phenomenon that uneven stress on the template body 1 can cause pits and unevenness on the surface of the cast square column, thus affecting the quality of the cast square column.

[0051] Reference Figure 1 and Figure 8The limiting component 6 includes a ratchet 61 and a pawl 62. The ratchet 61 is rotatably connected to the support plate 63 and coaxially connected to the gear 5 via a connecting shaft. The pawl 62 is rotatably connected to the support plate 63 and engages with the ratchet 61. The support plate 63 is provided with an elastic element that forces the pawl 62 to engage with the ratchet 61. The elastic element is a torsion spring 66. A rotating shaft 65 is fixed to the lower surface of the pawl 62. A rotating groove 64 is provided on the upper part of the support plate 63. The rotating shaft 65 is rotatably connected to the rotating groove 64. The torsion spring 66 is coaxially sleeved on the rotating shaft 65. One end of the torsion spring 66 is fixedly connected to the groove wall of the rotating groove 64, and the other end of the torsion spring 66 is fixedly connected to the lower surface of the pawl 62.

[0052] Reference Figure 1 , Figure 9 and Figure 10 The template body 1 is equipped with reinforcing rods 7 around its perimeter. The reinforcing rods 7 are inclined, with the adjacent ends of two adjacent reinforcing rods 7 located on the same side of the template body 1. The reinforcing rods 7 are telescopically adjustable and include a telescopic tube 71 and a telescopic rod 72 slidably connected to the telescopic tube 71. One end of the telescopic tube 71 is ball-hinged to the lower surface of the corresponding upper rack 41 or second rack 42, and the end of the telescopic rod 72 away from the telescopic tube 71 is hinged to the upper surface of the corresponding lower rack 41 or second rack 42. The reinforcing rods 7 can lock and fix the template body 1, thereby improving the fixing effect.

[0053] Referring to the figure, when the reinforcing mechanism locks and fixes the template body 1, the first rack 41 and the second rack 42 tend to retract and move inward, thereby driving the reinforcing rod 7 to move closer to the template body 1. The reinforcing rod 7 abuts against the outer side of the template body 1, thereby applying force to the middle of the template body 1, making the overall force of the template body 1 more uniform, thereby reducing the phenomenon of unevenness on the surface of the cast square column due to uneven force on the template body 1, which affects the quality of the cast square column.

[0054] Reference Figure 1 and Figure 9Taking the first rack 41 as an example, springs 73 are provided at the angles between the telescopic tube 71 and the upper first rack 41, and at the angles between the telescopic rod 72 and the lower first rack 41. One end of the upper spring 73 is hinged to the lower surface of the upper first rack 41, and the other end of the spring 73 is hinged to the telescopic tube 71. One end of the lower spring 73 is hinged to the upper surface of the lower first rack 41. When the template body is reinforced by the reinforcement mechanism, the first rack 41 and the second rack 42 located on the same side of the template body 1 will move away from each other, which will cause the reinforcing rod 7 to tilt. During the tilting process, the angle between the reinforcing rod 7 and the first rack 41 or the second rack 42 will become smaller, thereby compressing the spring 73. After the spring 73 is compressed, the spring 73 will apply a force away from each other to the first rack 41 and the second rack 42 on the upper and lower sides, so that the first rack 41 and the second rack 42 abut against the upper and lower side walls of the mounting groove 13 respectively, and further apply force to the mounting groove 13, thereby improving the fixing effect of the first rack 41 and the second rack 42.

[0055] Reference Figure 1 and Figure 9 A clamping frame is provided between two adjacent reinforcing rods 7. There are four clamping frames in total. The four clamping frames are located at the corners of the template body 1. The clamping frame located below the quantitative driving component is the first clamping frame, and the clamping frame located below the quantitative driving component is the second clamping frame.

[0056] Reference Figure 1 and Figure 9 The first clamping frame includes two first connecting rods 81, which are arranged perpendicularly along their length. The ends of the two connecting rods 81 that are close to each other are fixedly connected, while the ends that are far apart are fixedly connected to telescopic tubes 71 on adjacent reinforcing rods 7. When two adjacent reinforcing rods 7 tilt, the first clamping frame swings downwards, thereby applying a fixing force to the corners of the template body 1, further securing the template body 1 and improving its installation stability.

[0057] Reference Figure 1 and Figure 9 The second clamping frame includes two second connecting rods 92, which are arranged vertically along their length. The ends of the two second connecting rods 92 that are far apart from each other are respectively connected to connecting rods on adjacent reinforcing rods 7. The ends of the two second connecting rods 92 that are close to each other overlap and abut each other and are fixed by binding with steel wire, thereby further fixing the corners of the template body to improve the installation stability of the template body.

[0058] The implementation principle of the structural column template with fixing mold in this application embodiment is as follows: When it is necessary to reinforce the template body 1, by rotating the two diagonal gears 5, the first rack 41 and the second rack 42 are engaged with each other, thereby fixing the template body 1. During the process of locking and fixing the template body 1, the first rack 41 and the second rack 42 can drive the reinforcing rod 7 to abut against the groove wall of the mounting groove 13 to further fix the template body 1.

[0059] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A structural column formwork with a fixed mold, characterized in that: It includes a reinforcement mechanism and a drive mechanism. The reinforcement mechanism surrounds the template body (1). There are two sets of reinforcement mechanisms. The two sets of reinforcement mechanisms are distributed in the vertical direction. Reinforcing rods (7) are respectively provided around the template body (1). The two ends of the reinforcing rods (7) are respectively ball-hinged to the two sets of reinforcement mechanisms. A fastening frame is provided between two adjacent reinforcing rods (7). The fastening frame is L-shaped and its two ends are respectively connected to two adjacent reinforcing rods (7). The adjacent sections of two adjacent reinforcing rods (7) are located on the same side of the template body (1). The reinforcement mechanism includes a locking component (4), which includes several racks. The racks are arranged around the outside of the template body (1), and the driving mechanism can drive the racks to clamp the template body (1). The first rack (41) and the second rack (42) of the upper and lower sets of reinforcing mechanisms are staggered. The reinforcing rod (7) is a telescopic structure. The reinforcing rod (7) includes a telescopic tube (71) and a telescopic rod (72) that slides vertically connected to the telescopic tube (71). One end of the telescopic tube (71) is ball-hinged to the lower surface of the upper first rack (41) or the second rack (42). The other end of the telescopic rod (72) is ball-hinged to the lower first rack (41) or the second rack (42). Both ends of the reinforcing rod (7) are provided with springs (73). The axis of the springs (73) is inclined to the vertical direction. The axes of the two springs (73) are parallel. One end of the upper spring (73) is connected to the lower surface of the upper first rack (41) or the second rack (42), and the other end of the spring (73) is connected to the telescopic tube (71). One end of the lower spring (73) is connected to the lower surface of the upper first rack (41) or the second rack (42), and the other end of the spring (73) is connected to the telescopic tube (71). The template body (1) is provided with an installation groove (13) for the first rack (41) or the second rack (42) to be engaged.

2. The structural column template with a fixing mold according to claim 1, characterized in that: The driving mechanism includes a quantitative driving component and a limiting component (6). The quantitative driving component includes two gears (5). The racks are two first racks (41) and two second racks (42). The two first racks (41) and two second racks (42) are arranged in a cross order and surround the template body (1). The gear (5) is located at the intersection of the first rack (41) and the second rack (42) and meshes with the first rack (41) and the second rack (42) at the same time. It is used to drive the first rack (41) and the second rack (42) to slide and approach the template body (1). The limiting component (6) is used to limit the rotation of the gear (5).

3. The structural column template with a fixing mold according to claim 2, characterized in that: The limiting component (6) includes a ratchet (61) and a pawl (62). The template body (1) is provided with a support plate (63). The ratchet (61) is rotatably mounted on the support plate (63). The gear (5) is coaxially mounted with the ratchet (61). The pawl (62) meshes with the ratchet (61). The gear (5) is coaxially mounted with a knob.

4. The structural column template with a fixing mold according to claim 3, characterized in that: The support plate (63) is provided with an elastic element that forces the pawl (62) to engage with the ratchet (61). The elastic element is a torsion spring (66). The lower surface of the pawl (62) is provided with a rotating shaft (65) rotatably connected to the support plate (63). The support plate (63) is provided with a rotating groove (64). The torsion spring (66) is coaxially sleeved on the rotating shaft (65). The two ends of the torsion spring (66) are respectively connected to the support plate (63) and the pawl (62).

5. The structural column template with a fixing mold according to claim 1, characterized in that: The first rack (41) and the second rack (42) located on the same side of the template body (1) are both located in the same mounting groove (13).

6. The structural column template with a fixing mold according to claim 2, characterized in that: The teeth of the first rack (41) face the template body (1), and the teeth of the second rack (42) face the other side. A covering (44) is provided on the first rack (41). The covering (44) is C-shaped and covers the teeth of the first rack (41).