CN216831482U - Inner mold holding and retracting type flue forming mold - Google Patents
Inner mold holding and retracting type flue forming mold Download PDFInfo
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- CN216831482U CN216831482U CN202121313201.9U CN202121313201U CN216831482U CN 216831482 U CN216831482 U CN 216831482U CN 202121313201 U CN202121313201 U CN 202121313201U CN 216831482 U CN216831482 U CN 216831482U
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Abstract
The utility model relates to an interior mode is embraced and is received formula flue forming die belongs to flue equipment technical field. The inner mold assembly is placed in the outer mold assembly, and the die heads are sleeved at two ends of the inner mold assembly; the bottom end of the outer die assembly is provided with a power-assisted assembly, the power-assisted assembly is connected with the outer die assembly through a connecting assembly, and the power-assisted assembly is used for assisting the outer die assembly to open and close; the upper template, the lower template, the left template and the right template in the inner template assembly are encircled to form a rectangular wide flue mold; the upper template, the left template, the right template and the lower template are combined into an □ shape after being stretched. The utility model discloses a L type pull rod and pull rod drive left template, right template and cope match-plate pattern receive and release, and the centre form draws in the range of changing the drawing of patterns greatly in, and it is more convenient that the mould clearance is maintained, and the centre form draws in to extend and adopts the cooperation of optical axis slider to fix a position, and it is more accurate to make the centre form draw in to extend more lightly, the centre form extends the back size, and the product size of production is more guaranteed, product quality is higher.
Description
Technical Field
The utility model relates to an interior mode is embraced and is received formula flue forming die belongs to flue equipment technical field.
Background
The existing flue mould is like a 'flue gas channel vibrating casting machine with a telescopic inner mould with two panels' disclosed in Chinese patent CN 106142332B, wherein a forming mechanism of the inner mould mechanism is composed of an upper panel and a lower panel, the upper panel is in a shape of a straight line, the left end and the right end of the upper panel are flanged downwards, the lower panel is bent into a front surface, a rear surface and a bottom surface 3 by one panel to be in a shape of a U, the tops of the left end plate and the right end plate are flanged inwards to form movable fit with the flanged part of the upper panel, and a contraction mechanism in the inner mould mechanism realizes the contraction and expansion of the inner mould by a pair of left-handed nuts, right-handed nuts and a plurality of groups of pull rods. The existing flue mould, such as the prefabricated thin-wall exhaust passage forming mould disclosed in chinese patent CN 101462300 a, comprises an outer membrane and a core mould formed by matching an upper core mould and a lower core mould, wherein the upper core mould and the lower core mould are respectively formed by matching a core mould frame and a core mould frame retraction mechanism, the outer membrane mould frame is formed by a bottom mould and side moulds connected at two sides in a matching way, and the upper ends of the side moulds at two sides are connected and matched through a tie rod. In the process of retracting and releasing the die, the pull rods are used for applying pulling force to the side die, and the left pull rod and the right pull rod are V-shaped, so that the retracting and releasing range of the die is small, the resistance is large when the die or the flue is discharged, the inner wall of the flue is cut and rubbed, and inconvenience is brought to the operation of workers and the cleaning of the die.
SUMMERY OF THE UTILITY MODEL
The utility model provides an interior mould embraces receipts formula flue forming die to above-mentioned problem.
The utility model adopts the following technical scheme:
the inner mold holding type flue forming mold comprises an outer mold component, an inner mold component and a mold head, wherein the outer mold component comprises an outer mold plate component, a connecting component and a power-assisted component; the inner mold assembly is placed in the outer mold assembly, and the die heads are sleeved at two ends of the inner mold assembly; the bottom end of the outer die assembly is provided with a power-assisted assembly, the power-assisted assembly is connected with the outer die assembly through a connecting assembly, and the power-assisted assembly is used for assisting the outer die assembly to open and close;
the inner die assembly comprises an inner die plate assembly and an inner die retracting and expanding mechanism; an inner die plate group is arranged on the outer side of the inner die retracting and expanding mechanism; the inner template group is arranged on the inner template folding and unfolding mechanism in a surrounding manner; the internal mold retracting and expanding mechanism is driven by an external driving device to act, and drives the internal mold plate component to fold inwards or extend outwards through the internal mold retracting and expanding mechanism;
the inner template assembly comprises an upper template, a lower template, a left template and a right template; the upper template, the lower template, the left template and the right template surround to form a rectangular wide flue inner mold; the upper template, the left template, the right template and the lower template are combined into an □ shape after being stretched.
The inner mold contracting and expanding mechanism of the inner mold contracting and expanding flue forming mold comprises a supporting seat plate, a guide sleeve, a lead screw assembly, an upper mold plate supporting assembly, a slide block, a pull rod and a side mold plate contracting and expanding mechanism;
the supporting seat plate is fixedly connected with the lower template, and a plurality of groups of supporting seat plates are arranged along the extension direction of the lower template; a guide sleeve is fixed at the upper end of the supporting seat plate, sliding blocks are fixedly connected to the supporting seat plates at the two ends of the lower template in the extension direction, a lead screw assembly is arranged in the guide sleeve on the supporting seat plate, a plurality of pull rods are arranged on the upper side of the lead screw assembly, the lead screw assembly is connected with the upper template supporting assembly through the pull rods, a side template retracting mechanism is further arranged on the lead screw assembly, and the side template retracting mechanism is connected with the left template and the right template; the cope match-plate supporting assembly is used for installing the cope match-plate.
The utility model discloses an interior mould embraces receipts formula flue forming die, lead screw assembly include lead screw, lead screw nut, square pipe, round pin axle, stop nut, limiting plate; the screw rod is a positive and negative screw rod, positive and negative teeth of the screw rod are respectively provided with a screw rod nut, a square tube is sleeved on the screw rod nut and fixedly connected with the screw rod nut, a limiting nut is fixed at the middle position of the screw rod, and the upper end of the square tube is respectively fixed with a plurality of pin shafts; the limiting plate is positioned in the middle of the lower template, the upper end of the limiting plate is provided with a limiting nut, and the junction of the orthodontic section and the anti-tooth section of the screw rod is arranged in the limiting nut and fixedly connected with the limiting nut.
The inner mold holding type flue forming mold of the utility model is characterized in that the upper mold plate supporting component comprises a longitudinal frame, a pin shaft, a pull rod and an optical axis; the upper template is arranged on the longitudinal frame; the longitudinal frame is provided with a plurality of pin shafts which are transversely arranged; a plurality of optical axes vertical to the longitudinal frame are arranged on the lower end face of the longitudinal frame, and the optical axes are in sliding fit with the sliding blocks on the bearing seat plate; one end of the pull rod is hinged with the longitudinal frame, and the other end of the pull rod is hinged with a pin shaft on the upper side of the square tube.
The inner mold holding and retracting type flue forming mold of the utility model is characterized in that the side mold plate retracting and releasing mechanism comprises a U-shaped seat plate, an L-shaped pull rod, a pull rod and a traction pin shaft;
the square tube is also provided with a traction pin shaft, the U-shaped seat plate is horizontally arranged and fixedly connected with the guide sleeve, pin shafts hinged with the L-shaped pull rod are respectively arranged on the plate body of the opening part of the U-shaped seat plate, and the middle part of the L-shaped pull rod is rotationally connected with the pin shafts on the U-shaped seat plate; one end of the L-shaped pull rod is provided with a through hole, and the other end of the L-shaped pull rod is provided with a waist-shaped hole;
the through hole part of the L-shaped pull rod is hinged with the pull rod through a pin shaft, and a traction pin shaft on the square tube is arranged in a kidney-shaped hole of the L-shaped pull rod; the other end of the pull rod is hinged with the left template or the right template through a pin shaft.
The inner mold holding type flue forming mold of the utility model is characterized in that the outer edge surface of the upper mold plate or the lower mold plate or the left mold plate or the right mold plate is provided with grooves which are consistent along the extending direction of the mold plate; the groove is of a whole section type or a multi-section type.
The inner mold holding and folding type flue forming mold of the utility model, the outer mold plate component comprises a left side panel, a right side panel and a bottom side panel, the connecting component comprises a connecting lug plate, a rotating block, a transverse adjusting screw rod and a locking nut, and the power assisting component comprises an air spring, a compression spring and a connecting lug plate;
the two side edge parts of the bottom side panel in the extending direction are respectively provided with a left side panel and a right side panel; the two side ends of the bottom side panel are respectively provided with a connecting lug plate; the connecting lug plate is provided with a rotatable rotating block, one end of the rotating block is fixedly connected with the left side panel or the right side panel through a transverse adjusting screw rod, the other end of the rotating block is hinged with the gas spring, the gas spring is arranged at the bottom end of the bottom side panel, the connecting lug plate is further fixed on the lower side of the bottom side panel and is hinged with the gas spring, and the telescopic rods of the gas springs on two sides are further provided with compression springs; and a locking nut is arranged on the transverse adjusting screw rod.
The inner mold holding type flue forming mold of the utility model is characterized in that the lower side of the bottom side panel in the outer mold panel component is also provided with a pulley or a directional wheel; the top of left side panel and right side panel is equipped with couple pull rod and the couple that is used for cooperating the external formwork subassembly to open and shut respectively.
Advantageous effects
The utility model provides an interior mould embraces and receives formula flue forming die drives left template, right template and cope match-plate pattern through L type pull rod and receive and releases, and the centre form draws in the range of changing the drawing of patterns greatly in, and it is more convenient that the mould clearance is maintained, and the centre form draws in to extend and adopts the optical axis slider cooperation to fix a position, makes the centre form draw in to extend more lightly, the centre form extends the back size more accurate, and the product size of production is more guaranteed, product quality is higher.
Drawings
Fig. 1 is a structural front view of the inner mold clasping and folding type flue forming mold of the utility model;
FIG. 2 is a structural axonometric view of the inner mold contracting type flue forming mold of the present invention;
fig. 3 is a front view of the inner mold plate assembly of the inner mold clasping type flue forming mold of the utility model after being unfolded;
fig. 4 is a schematic view of the internal structure of the internal mold clasping-folding type flue forming mold of the present invention;
fig. 5 is a front view of the inner mold plate assembly of the inner mold clasping type flue forming mold after being folded;
fig. 6 is a drawing schematic view of a side template retracting mechanism of the inner mold clasping type flue forming mold of the utility model;
fig. 7 is an expanded schematic view of a side template retracting mechanism of the inner mold clasping type flue forming mold of the utility model;
fig. 8 is a schematic structural view of an outer mold component of the inner mold clasping and folding type flue forming mold of the present invention;
fig. 9 is an enlarged schematic structural view of the inner mold retracting and expanding mechanism in fig. 4.
Detailed Description
In order to make the purpose and technical solution of the embodiment of the present invention clearer, the attached drawings of the embodiment of the present invention will be combined below to clearly and completely describe the technical solution of the embodiment of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the described embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, 2, and 3: the internal mold embracing and retracting type flue forming mold comprises an external mold component 1, an internal mold component 2 and a mold head 41, wherein the internal mold component 2 is placed in the external mold component 1, the mold head 41 is sleeved at two ends of the internal mold component 2, the external mold component 1 comprises an external mold plate component 3, a connecting component 4 and a power assisting component 5, the internal mold component 2 comprises an internal mold plate component 6 and an internal mold retracting and expanding mechanism 7, the internal mold plate component 6 comprises an upper mold plate 8, a lower mold plate 9, a left mold plate 10 and a right mold plate 11, and the left mold plate 10 and the right mold plate 11 are connected with the lower mold plate 9 through hinges or welding. The upper template 8, the lower template 9, the left template 10 and the right template 11 are combined into an □ shape after being stretched, and the inner template assembly 6 is driven to fold inwards or stretch outwards by the inner template stretching and retracting mechanism 7.
As shown in fig. 4: the internal mold retracting and expanding mechanism 7 is longitudinally provided with a plurality of groups along the internal mold plate component 6, and the internal mold retracting and expanding mechanism 7 comprises a supporting seat plate 12, a guide sleeve 13, a screw rod component 14, an upper mold plate supporting component 15, a sliding block 16, a pull rod 17 and a side mold plate retracting and expanding mechanism 18; the bearing seat plate 12 is fixedly connected with the lower template 9, a guide sleeve 13 is fixed at the upper end of the bearing seat plate 12, and a sliding block 16 is arranged on the bearing seat plate 12;
the screw component 14 comprises a screw 19, screw nuts 20, square tubes 21, pin shafts 22, limiting nuts 23 and limiting plates 24, the two ends of the screw 19 are respectively provided with positive and negative teeth, the two sides of the screw 19 are respectively provided with two screw nuts 20 screwed with the screw nuts, the square tubes 21 are provided with two square tubes 21, the square tubes 21 are sleeved on the screw 19 and fixedly connected with the screw nuts 20, the limiting nuts 23 are fixed at the middle positions of the screw 19, the upper ends of the square tubes 21 are respectively fixed with a plurality of pin shafts 22, the left and right sides of the square tubes 21 are symmetrically and respectively fixed with a plurality of traction pin shafts 221, the lower template 9 is fixed with a limiting plate 24, and the inner sides of the limiting plates 24 are abutted against the two sides of the limiting nuts 23.
The upper template supporting assembly 15 comprises a longitudinal frame 25, pin shafts 22 and optical shafts 26, the pin shafts 22 are transversely arranged in the middle of the longitudinal frame 25, the upper template 8 is installed on the upper side face of the longitudinal frame 25, the optical shafts 26 are fixed on the lower sides of two ends of the longitudinal frame 25 respectively, the optical shafts 26 are in sliding fit with the upper sliding block 16 of the supporting seat plate 12, the upper template supporting assembly 15 can move up and down in the vertical direction, the lead screw assembly 14 penetrates through the guide sleeve 13 at the upper end of the supporting seat plate 12 and can longitudinally move back and forth along the direction of the longitudinal frame 25, the pull rod 17 is arranged above the lead screw assembly 14, through holes are formed in two side ends of the pull rod 17 respectively, the upper end of the pull rod 17 is rotatably connected with the pin shafts 22 in the middle of the longitudinal frame 25, and the lower end of the pull rod 17 is rotatably connected with the pin shafts 22 at the upper end of the square tube 21.
As shown in fig. 4, 6, and 7: the side formwork retracting and releasing mechanism 18 comprises a pin 22, a U-shaped base plate 27, an L-shaped pull rod 28, a pull rod 17 and a pulling pin 221;
the square tube 21 is also provided with a drawing pin shaft 221, the U-shaped seat plate 27 is horizontally placed and fixedly connected with the guide sleeve 13, the plate body of the opening part of the U-shaped seat plate 27 is respectively provided with a pin shaft 22 hinged with the L-shaped pull rod 28, and the middle part of the L-shaped pull rod 28 is rotationally connected with the pin shaft 22 on the U-shaped seat plate 27; one end of the L-shaped pull rod 28 is provided with a through hole, and the other end is provided with a waist-shaped hole.
The through hole part of the L-shaped pull rod 28 is hinged with the pull rod 17 through a pin shaft, and a drawing pin shaft 221 on the square tube 21 is arranged in a waist-shaped hole of the L-shaped pull rod 28; the other end of the pull rod 17 is hinged with the left template 10 or the right template 11 through a pin 22.
As shown in fig. 5, 6, and 7: when the inner formwork assembly 6 is in a furled state, the screw rod 19 is rotated clockwise, the screw rod 19 drives the square pipes 21 at two sides of the screw rod 19 to move towards two ends through the screw rod nuts 20, the square pipes 21 drive the lower ends of the pull rods 17 above the square pipes 21 to move towards two ends through the pin shafts 22, the other ends of the pull rods 17 drive the upper formwork supporting assembly 15 to move upwards, the upper formwork 8 moves upwards and opens at the moment, the traction pin shafts 221 at two sides of the square pipes 21 synchronously move towards two ends when the square pipes 21 move towards two ends, the traction pin shafts 221 drive the L-shaped pull rods 28 to rotate towards the outer side, the left formwork 10 and the right formwork 11 are pushed to open towards two sides through the pull rods 17 when the L-shaped pull rods 28 rotate, the screw rod 19 stops rotating when the inner formwork assembly 6 opens in place, and the opening action of the inner formwork assembly 6 is completed.
When the flue is solidified to have strength, the inner template assembly 6 needs to be changed from an opening state to a closing state, when the inner template assembly 6 is in the opening state, the screw rod 19 is rotated anticlockwise, the screw rod 19 drives the square tubes 21 at two sides of the screw rod 19 to move inwards through the screw rod nut 20, the square tubes 21 drive the lower ends of the pull rods 17 above the square tubes 21 to move inwards through the pin shafts 22, the other ends of the pull rods 17 drive the upper template supporting assembly 15 to move downwards, at the moment, the upper template 8 moves downwards and closes, when the square tubes 21 move inwards, the traction pin shafts 221 at two sides of the square tubes 21 synchronously move inwards, the traction pin shafts 221 drive the L-shaped pull rods 27 to rotate inwards, when the L-shaped pull rods 27 rotate, the left template 10 and the right template 11 are pulled inwards and closed, when the inner template assembly 6 is opened in place, the screw rod 19 stops rotating, and the closing action of the inner template assembly 6 is completed.
As shown in fig. 4: the outer edge surface of the upper template or the lower template or the left template or the right template in the inner mold component 2 is provided with grooves which are consistent along the extending direction of the template, and a single groove can also be used; the groove is of a whole section type or a multi-section type.
As shown in fig. 8: the outer template assembly 3 comprises a left side panel 29, a right side panel 30 and a bottom side panel 31, the connecting assembly 4 comprises a connecting lug plate 32, a rotating block 33, a pin shaft 22, a transverse adjusting screw 34 and a locking nut 35, and the power assisting assembly comprises a gas spring 36, a compression spring 37 and the connecting lug plate 32; the connecting lug plate 32 is fixed on the side surface of the bottom side plate 31, the rotating block 33 is rotatably connected with the connecting lug plate 32 through a pin shaft 22, a through hole is formed in the upper end of the rotating block 33, the transverse adjusting screw 34 penetrates through the through hole in the upper end of the rotating block 33 and is locked and fixed through a locking nut 35, and one end of the transverse adjusting screw 34 is fixed on the outer side surfaces of the left side plate 29 and the right side plate 30. The other end of the rotating block 33 is connected with a gas spring 36, the gas spring 36 is arranged at the bottom end of the bottom side panel 31, a connecting lug plate 32 is further fixed at the lower side of the bottom side panel 31, the connecting lug plate 32 is hinged with the gas spring 36, and a compression spring 37 is arranged on the gas spring 36.
The lower side of the bottom side panel 31 in the outer template component 3 is also provided with a pulley or a directional wheel 38; the top ends of the left side panel 29 and the right side panel 30 are respectively provided with a hook pull rod 39 and a hook 40 which are used for matching the outer template component 3 to open and close.
During operation, after the flue is solidified and has strength, the upper end hook 40 of the right side panel 30 is opened after the inner die assembly 2 contracts, the left side panel 29 is rotated, the right side panel 30 turns downwards, the rotating block 33 rotates to push the gas spring 36 to contract, the gas spring 36 pushes the compression spring 37 to enable the compression spring 37 to generate elastic force, so that the impact generated by the downward rotation of the left side panel 29 and the right side panel 30 is buffered, after the flue is carried and opened, the left side panel 29 is rotated, the right side panel 30 turns upwards, at the moment, the compression spring 37 and the gas spring 36 apply upward force to the upward rotation of the left side panel 29 and the right side panel 30, so that the rotating weight of the left side panel 29 and the right side panel 30 is reduced, and the operation is lighter.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. An inner mold holding type flue forming mold comprises an outer mold component and an inner mold component, wherein the outer mold component comprises an outer mold plate component, a connecting component and a boosting component; the inner die assembly is placed in the outer die assembly; the bottom end of the outer die assembly is provided with a power-assisted assembly, the power-assisted assembly is connected with the outer die assembly through a connecting assembly, and the power-assisted assembly is used for assisting the outer die assembly to open and close;
the inner die assembly comprises an inner die plate assembly and an inner die retracting and expanding mechanism; an inner die plate group is arranged on the outer side of the inner die retracting and expanding mechanism; the inner template group is arranged on the inner template folding and unfolding mechanism in a surrounding manner; the internal mold retracting and expanding mechanism is driven by an external driving device to act, and drives the internal mold plate component to fold inwards or extend outwards through the internal mold retracting and expanding mechanism;
the method is characterized in that: the inner template assembly comprises an upper template, a lower template, a left template and a right template; the upper template, the lower template, the left template and the right template surround to form a rectangular wide flue mold; the upper template, the left template, the right template and the lower template are combined into an □ shape after being stretched.
2. The inner mold clasping type flue forming mold as claimed in claim 1, wherein: the inner mold retracting and expanding mechanism comprises a supporting seat plate, a guide sleeve, a screw rod assembly, an upper mold plate supporting assembly, a sliding block, a pull rod and a side mold plate retracting and expanding mechanism;
the supporting seat plate is fixedly connected with the lower template, and a plurality of groups of supporting seat plates are arranged along the extension direction of the lower template; a guide sleeve is fixed at the upper end of the supporting seat plate, sliding blocks are fixedly connected to the supporting seat plates at the two ends of the lower template in the extension direction, a lead screw assembly is arranged in the guide sleeve on the supporting seat plate, a plurality of pull rods are arranged on the upper side of the lead screw assembly, the lead screw assembly is connected with the upper template supporting assembly through the pull rods, a side template retracting mechanism is further arranged on the lead screw assembly, and the side template retracting mechanism is connected with the left template and the right template; the cope match-plate supporting assembly is used for installing the cope match-plate.
3. The internal holding type flue forming die as claimed in claim 2, wherein: the screw rod assembly comprises a screw rod, a screw rod nut, a square tube, a pin shaft, a limiting nut and a limiting plate; the screw rod is a positive and negative screw rod, the positive and negative teeth of the screw rod are respectively provided with a screw rod nut, the square tube is sleeved on the screw rod nut, the limiting nut is fixed in the middle of the screw rod, and the upper end of the square tube is respectively fixed with a plurality of pin shafts; the limiting plate is positioned in the middle of the lower template, the upper end of the limiting plate is provided with a limiting nut, and the junction of the orthodontic section and the anti-tooth section of the screw rod is arranged in the limiting nut and fixedly connected with the limiting nut.
4. The internal holding type flue forming die as claimed in claim 2, wherein: the upper template supporting assembly comprises a longitudinal frame, a pin shaft, a pull rod and an optical axis; the upper template is arranged on the longitudinal frame; the longitudinal frame is provided with a plurality of pin shafts which are transversely arranged; a plurality of optical axes vertical to the longitudinal frame are arranged on the lower end face of the longitudinal frame, and the optical axes are in sliding fit with the sliding blocks on the bearing seat plate; one end of the pull rod is hinged with the longitudinal frame, and the other end of the pull rod is hinged with a pin shaft on the upper side of the square tube.
5. The internal holding type flue forming die as claimed in claim 2 or 3, wherein: the side formwork retracting mechanism comprises a U-shaped seat plate, an L-shaped pull rod, a pull rod and a traction pin shaft;
the square tube is also provided with a traction pin shaft, the U-shaped seat plate is horizontally arranged and fixedly connected with the guide sleeve, pin shafts hinged with the L-shaped pull rod are respectively arranged on the plate body of the opening part of the U-shaped seat plate, and the middle part of the L-shaped pull rod is rotationally connected with the pin shafts on the U-shaped seat plate; one end of the L-shaped pull rod is provided with a through hole, and the other end of the L-shaped pull rod is provided with a waist-shaped hole;
the through hole part of the L-shaped pull rod is hinged with the pull rod through a pin shaft, and a traction pin shaft on the square tube is arranged in a kidney-shaped hole of the L-shaped pull rod; the other end of the pull rod is hinged with the left template or the right template through a pin shaft.
6. The internal holding type flue forming die as claimed in claim 1, wherein: the outer edge surface of the upper template or the lower template or the left template or the right template is provided with grooves which are parallel to the extending direction of the template; the groove is of a whole section type or a multi-section type.
7. The internal holding type flue forming die as claimed in claim 1, wherein: the outer template assembly comprises a left side panel, a right side panel and a bottom side panel, the connecting assembly is connected with an ear plate, a rotating block, a transverse adjusting screw rod and a locking nut, and the power assisting assembly comprises a gas spring, a compression spring and a connecting ear plate;
the two side edges of the extending direction of the bottom side panel are respectively provided with a left side panel and a right side panel; the two side ends of the bottom side panel are respectively provided with a connecting lug plate; a rotatable rotating block is arranged on the connecting lug plate, and one end of the rotating block is fixed with the left side panel or the right side panel through a transverse adjusting screw rod; the other end of the rotating block is hinged with a gas spring, the gas spring is arranged at the bottom end of the bottom side panel, and a compression spring is arranged on the gas spring; and a locking nut is arranged on the transverse adjusting screw rod.
8. The internal holding type flue forming die as claimed in claim 1 or 7, wherein: the lower side of the bottom side panel in the outer panel assembly is also provided with a pulley or a directional wheel; the top ends of the left side panel and the right side panel are respectively provided with a hook pull rod and a hook which are used for being matched with each other to open and close.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121313201.9U CN216831482U (en) | 2021-06-12 | 2021-06-12 | Inner mold holding and retracting type flue forming mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121313201.9U CN216831482U (en) | 2021-06-12 | 2021-06-12 | Inner mold holding and retracting type flue forming mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216831482U true CN216831482U (en) | 2022-06-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121313201.9U Active CN216831482U (en) | 2021-06-12 | 2021-06-12 | Inner mold holding and retracting type flue forming mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216831482U (en) |
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2021
- 2021-06-12 CN CN202121313201.9U patent/CN216831482U/en active Active
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