CN212976540U - Hoop bending machine head and hoop bending machine - Google Patents
Hoop bending machine head and hoop bending machine Download PDFInfo
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- CN212976540U CN212976540U CN202021196842.6U CN202021196842U CN212976540U CN 212976540 U CN212976540 U CN 212976540U CN 202021196842 U CN202021196842 U CN 202021196842U CN 212976540 U CN212976540 U CN 212976540U
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Abstract
A hoop bending machine head and a hoop bending machine comprise: the gear box comprises a shell, a driving gear, a driven gear, a mounting groove and a fastening hole, wherein the shell is provided with the driven gear hole, the mounting groove and the fastening hole; the driven gear can rotate in the driven gear hole and is provided with a main shaft hole coaxial with the driven gear and an eccentric shaft hole not coaxial with the driven gear; the arc groove plate is provided with an arc groove and a main shaft through hole, and the radius of a central arc line of the arc groove is equal to the axial eccentricity of the eccentric shaft hole; the spindle assembly can move up and down in the spindle hole; the eccentric shaft assembly can move up and down in the eccentric shaft hole; the eccentric shaft assembly can slide in the arc-shaped groove; a drive gear in meshing engagement with the driven gear.
Description
Technical Field
The invention relates to a hoop bending machine head and a hoop bending machine.
Background
In modern buildings, reinforced concrete is one of the necessary building materials. The reinforced concrete is formed by pouring a mixture of sand-stone cement and water into a reinforcement cage, and the reinforcement cage is a reinforcement cage formed by binding a plurality of reinforcement bodies to reinforcement hoops. The existing processing method of the steel bar hoop has a manual processing method with low efficiency and labor consumption, and is mainly suitable for sporadic work; and hydraulic equipment is adopted for processing, but the hydraulic equipment is expensive and large in size, and if steel bar hoops of different types are required, the hydraulic equipment can be realized only by complex debugging.
Therefore, a hoop bending machine which is simple and convenient to operate, low in price and light in volume is needed.
Disclosure of Invention
In order to solve the technical problems, the invention provides a hoop bending machine head and a hoop bending machine.
A hoop bending machine head, comprising:
the gear box comprises a shell, a driving gear, a driven gear, a mounting groove and a fastening hole, wherein the shell is provided with the driven gear hole, the mounting groove and the fastening hole;
the driven gear can rotate in the driven gear hole and is provided with a main shaft hole coaxial with the driven gear and an eccentric shaft hole not coaxial with the driven gear;
the arc groove plate is provided with an arc groove and a main shaft through hole, and the radius of a central arc line of the arc groove is equal to the axial eccentricity of the eccentric shaft hole;
the spindle assembly can move up and down in the spindle hole, and when the spindle assembly moves up and down, the lower end of the spindle can retract or extend out of the bottom of the shell, and the spindle assembly comprises a spindle body and a sliding sleeve capable of sliding on the spindle body;
the eccentric shaft assembly can move up and down in the eccentric shaft hole, and when the eccentric shaft assembly moves up and down, the lower end of the eccentric shaft assembly can be retracted or extended out of the bottom of the shell;
the eccentric shaft assembly can slide in the arc-shaped groove, so that the eccentric shaft assembly rotates around the main shaft assembly;
a drive gear in meshing engagement with the driven gear.
Preferably, the shell is further provided with a driving gear groove and a driven gear groove.
Preferably, the main shaft assembly is pressed downwards by the pressing hook assembly, the pressing hook assembly comprises a pressing hook seat, a pressing hook roller and a pressing hook screw, the pressing hook seat is fixedly connected to the arc groove plate, the pressing hook can swing on the pressing hook seat, the pressing hook roller capable of rolling is arranged at the tail of the pressing hook, the pressing hook screw with adjustable length is arranged at the head of the pressing hook, and the pressing hook can be pressed downwards by the pressing hook screw when swinging.
Preferably, the spindle is provided with a spring which maintains its upward tendency to move.
Preferably, an elastic element is arranged in the press hook assembly, and the press hook screw can be kept in a lifting state.
Preferably, an umbrella head shaft tongue pin assembly is arranged beside the main shaft assembly, and comprises an umbrella head, an umbrella head shaft, a tongue pin and a tongue pin seat, wherein the umbrella head shaft can move up and down in the umbrella head seat, and when the umbrella head shaft moves up and down, the tongue pin can retract in the tongue pin seat; and a spring for keeping the tongue pin to extend out is arranged behind the tongue pin, and when the tongue pin extends out, the spring can be pressed on the top of the spindle assembly to prevent the spindle assembly from moving upwards.
Preferably, the eccentric shaft assembly is disposed in an eccentric hole of the driven gear, and the driven gear is rotated by the driving gear, so that the eccentric shaft assembly rotates around the main shaft assembly.
Preferably, the eccentric shaft assembly comprises a top retainer ring, an eccentric shaft and an eccentric shaft seat, the top retainer ring is of a circular ring structure, an inner ring of the top retainer ring can be fastened with the eccentric shaft through a screw, and a spring is arranged on the eccentric shaft seat, so that the eccentric shaft has a tendency of extending out of the shell.
Preferably, the top retaining ring can contact with the umbrella head when rotating along with the eccentric shaft, so as to trigger the umbrella head to move axially, and further to cause the tongue pin to retract.
Preferably, the other sliding sleeve tongue round pin subassembly that still is provided with of sliding sleeve, the sliding sleeve tongue round pin subassembly includes eccentric shaft dog, eccentric shaft dog groove, sliding sleeve tongue round pin groove and tongue round pin axle, the tongue round pin axle can pass and be located the dog hole of eccentric shaft with be located the sliding sleeve tongue round pin blind hole of sliding sleeve tongue round pin, still be provided with waist shape hole on the base member of sliding sleeve tongue round pin subassembly, tongue round pin axle can make radial movement in the waist shape hole to drive the sliding sleeve tongue round pin with the eccentric shaft dog removes on the base member.
The tongue pin shaft can also axially move in the waist-shaped hole, the end part of the tongue pin shaft can leave or be inserted into the sliding sleeve tongue pin blind hole due to the moving effect, when the tongue pin shaft is inserted into the sliding sleeve tongue pin blind hole, the sliding sleeve tongue pin and the tongue pin shaft move together, and when the tongue pin shaft leaves the sliding sleeve tongue pin blind hole, the sliding sleeve tongue pin can be pushed out by an elastic element arranged behind the sliding sleeve tongue pin.
The axial movement of the tongue pin shaft is realized by a shifting pin rod assembly and an elastic element, the shifting pin rod assembly comprises a shifting pin rod seat, a shifting pin rod rolling shaft and a shifting pin hook, the shifting pin rod seat is fixed on the arc groove plate, the shifting pin rod can rotate around the shifting pin rod seat, the shifting pin hook is provided with an inclined plane, and when the shifting pin rod seat is in contact with the tongue pin shaft rolling shaft, the tongue pin shaft can be pulled, and the tongue pin shaft is separated from the sliding sleeve tongue pin.
Preferably, an upper plate is arranged above the arc groove plates, a cushion column is arranged between the upper plate and the arc groove plates, the cushion column guarantees the position between the upper plate and the arc groove plates, a spindle top hole is arranged in the middle of the upper plate, and a spindle assembly can pass through the spindle top hole.
Preferably, a material pressing plate is arranged on the side face of the shell, the material pressing plate can slide up and down in the material pressing plate sliding sleeve, and the material pressing plate keeps a downward movement trend under the action of the elastic element.
A hoop bending machine comprises 5 hoop bending machine heads, mounting rails, driving racks and driving convex rails, wherein the hoop bending machine heads are arranged on the mounting rails through the mounting grooves and are fixed through fastening holes; the driving gear is meshed with the driving gear, and the driving convex rail can drive the pin rod rolling shaft and the hook pressing rolling shaft.
The invention has the beneficial effects that: the hydraulic device works by adopting mechanical elements without hydraulic elements, has simple structure, stable work, low price and small dead weight, and can be conveniently moved.
Drawings
Fig. 1 is a schematic structural diagram of a housing of a hoop bending machine head.
Fig. 2 is a schematic diagram of an arc groove plate, a press hook assembly and a shifting pin rod assembly of the hoop bending machine head.
Fig. 3 is a schematic structural diagram of a main shaft of a hoop bending machine head.
Fig. 4 is a schematic structural view of a driving gear and a driven gear of the hoop bending machine head.
Fig. 5 is a schematic diagram of the structure of the shaft tongue pin assembly and the upper plate of the head of the hoop bending machine.
Fig. 6 is a schematic diagram of the eccentric shaft structure of the hoop bending machine head.
Fig. 7 is an exploded view of the toggle assembly of the looper head.
Fig. 8 is an overall structural exploded view of the hoop bending machine head.
Fig. 9 is a relative position relationship diagram of the mounting rail, the drive rack, the drive rail and the housing.
Fig. 10 is a process diagram of the hoop bending machine.
In the figure: 1-shell, 101-driven gear hole, 102-mounting groove, 103-fastening hole, 104-driving gear groove, 105-driven gear groove, 2-arc groove plate, 201-arc groove, 202-main shaft through hole, 3-upper plate, 301-main shaft body, 302-sliding sleeve, 303-main shaft top hole, 4-driven gear, 401-main shaft hole, 402-eccentric shaft hole, 5-driving gear, 6-driving gear shaft, 7-eccentric shaft component, 8-cushion column, 9-main shaft component, 10-umbrella head shaft tongue pin component, 1001-umbrella head, 1002-umbrella head shaft, 1003-tongue pin, 1004-tongue pin seat, 11-driven gear eccentric shaft, 1102-eccentric shaft, 1103-eccentric shaft seat, 12-top ring, etc, 13-hook pressing press head, 14-hook pressing block seat, 15-press head seat plate, 16-main shaft tongue pin assembly, 1601-kidney-shaped hole, 1602-tongue pin shaft, 1603-tongue pin shaft roller, 1604-eccentric shaft block, 1605-block hole, 1606-block top rod, 1607-sliding sleeve tongue pin blind hole, 1608-sliding sleeve tongue pin, 1609-sliding sleeve tongue pin groove, 1610-eccentric shaft block groove, 17-pin pulling assembly, 171-pin pulling rod seat, 172-pin pulling rod, 173-pin pulling rod roller, 174-pin pulling hook, 18-hook pressing assembly, 181-hook pressing seat, 182-hook pressing, 183-hook pressing roller, 184-hook pressing screw, 19-material pressing plate, 20-material pressing plate sliding sleeve, 21-pressure spring and 22-pin.
Detailed Description
In order to more clearly illustrate the present invention, embodiments of the present invention are further described below with reference to the accompanying drawings.
As shown in fig. 1 to 8, the present invention includes a housing, a driving gear, a driven gear, an arc groove plate, a main shaft assembly, and an eccentric shaft assembly, wherein:
the shell is provided with a driven gear hole, a mounting groove and a fastening hole;
the driven gear can rotate in the driven gear hole and is provided with a main shaft hole 401 coaxial with the driven gear and an eccentric shaft hole not coaxial with the driven gear;
the arc groove plate is provided with an arc groove and a main shaft through hole, and the radius of a central arc line of the arc groove is equal to the axial eccentricity of the eccentric shaft hole;
the spindle assembly can move up and down in the spindle hole, and when the spindle assembly moves up and down, the lower end of the spindle can retract into or extend out of the bottom of the shell and comprises a spindle body and a sliding sleeve capable of sliding on the spindle body; when the lower end of the main shaft extends out of the bottom of the shell, a fulcrum can be formed for the steel bar to be bent at the bottom of the shell;
the eccentric shaft assembly can move up and down in the eccentric shaft hole, and when the eccentric shaft assembly moves up and down, the lower end of the eccentric shaft assembly can retract or extend out of the bottom of the shell; when the eccentric shaft assembly extends out of the bottom of the shell, another fulcrum can be formed on the steel bar to be bent at the bottom of the shell, the fulcrum formed by the fulcrum and the main shaft is distributed on two sides of the steel bar to be bent, and when the two fulcrums rotate relatively, the steel bar to be bent can be bent; the eccentric shaft assembly can slide in the arc-shaped groove, so that the eccentric shaft assembly rotates around the main shaft assembly;
the driving gear is meshed with the driven gear.
The basic working principle is as follows: the reinforcing bar that waits to bend is arranged in between the main shaft assembly and the eccentric shaft subassembly of the below of casing, and the driving gear is rotatory by external force drive, drives driven gear rotatory, and when driven gear was rotatory, the main shaft assembly that is located on its axis does not rotate, and the eccentric shaft subassembly that is in eccentric position can be rotatory around the main shaft assembly to make the reinforcing bar that is located between main shaft assembly and the eccentric shaft subassembly bend. The bending angle of the reinforcing steel bar can be adjusted by adjusting the amplitude of the driving element of the driving gear.
In order to make the structure of the invention more compact, the shell is also provided with a driving gear groove and a driven gear groove.
The downward motion implementation of the spindle assembly is described below.
The downward movement of the main shaft assembly is downwards pressed by the pressing hook assembly, the pressing hook assembly comprises a pressing hook seat, a pressing hook rolling shaft and a pressing hook screw, the pressing hook seat is fixedly connected onto the arc groove plate, the pressing hook is hinged onto the pressing hook seat through a pin and can swing on the pressing hook seat, the tail portion of the pressing hook is provided with the pressing hook rolling shaft capable of rolling, the head portion of the pressing hook is provided with the pressing hook screw with adjustable length, and the pressing hook can downwards press the main shaft assembly through the pressing hook screw when swinging.
Since the hook pressing assembly can only press the main shaft assembly downwards, the main shaft is provided with a spring which can keep the main shaft assembly moving upwards. Meanwhile, an elastic element is also arranged in the press hook assembly, so that the press hook screw can be kept in a lifting state.
When the main shaft assembly is pressed down by the hook pressing assembly, the main shaft assembly is kept in a pressed-down state, and the umbrella head shaft tongue pin assembly is arranged beside the main shaft assembly and comprises an umbrella head, an umbrella head shaft, a tongue pin and a tongue pin seat, wherein the umbrella head shaft can move up and down in the umbrella head seat, and when the umbrella head shaft moves up and down, the tongue pin can retract in the tongue pin seat; and a spring for keeping the tongue pin to extend out is arranged behind the tongue pin, and when the tongue pin extends out, the spring can be pressed on the top of the spindle assembly to prevent the spindle assembly from moving upwards.
The retraction of the spindle assembly is described further below. The main shaft assembly retracts after the bending action is finished, so that the main shaft assembly needs to be matched with the bending action of the eccentric shaft assembly, namely the main shaft assembly retracts after the eccentric shaft assembly rotates and finishes the bending action. The motion implementation of the eccentric shaft assembly will be described.
The eccentric shaft assembly is arranged in an eccentric hole of the driven gear, and the driving gear drives the driven gear to rotate, so that the eccentric shaft assembly rotates around the main shaft assembly.
The eccentric shaft assembly comprises a top retainer ring, an eccentric shaft and an eccentric shaft seat, wherein the top retainer ring is of a circular ring structure, an inner ring of the top retainer ring can be fastened with the eccentric shaft through a screw, and a spring is arranged on the eccentric shaft seat to enable the eccentric shaft to have a tendency of extending out of the shell.
The top retainer ring can contact with the inclined plane of the umbrella head after rotating to complete the bending action along with the eccentric shaft, so that the umbrella head is triggered to move upwards axially, the latch pin is further prompted to retract, after the latch pin retracts, the spindle assembly has the tendency of retracting into the shell under the action of the elastic element, but the spindle assembly cannot move upwards under the obstruction of the sliding sleeve and the sliding sleeve latch pin, and after the sliding sleeve latch pin retracts, the spindle assembly retracts together with the eccentric shaft assembly. When the main shaft assembly and the eccentric shaft assembly retract, the reinforcing steel bars can move freely to leave the bottom of the shell, and then the reinforcing steel bars are moved next step or taken down.
The other sliding sleeve tongue pin subassembly that still is provided with of sliding sleeve, sliding sleeve tongue pin subassembly include eccentric shaft dog, eccentric shaft dog groove, sliding sleeve tongue pin groove and tongue pin axle, and the tongue pin axle can pass the dog hole that is located the eccentric shaft and the sliding sleeve tongue pin blind hole that is located the sliding sleeve tongue pin, still is provided with waist shape hole on the base member of sliding sleeve tongue pin subassembly, and the tongue pin axle can make radial movement in waist shape hole to drive sliding sleeve tongue pin and eccentric shaft dog and remove on the base member.
The tongue pin shaft can also axially move in the waist-shaped hole, the end part of the tongue pin shaft can leave or be inserted into the sliding sleeve tongue pin blind hole due to the moving effect, when the tongue pin shaft is inserted into the sliding sleeve tongue pin blind hole, the sliding sleeve tongue pin and the tongue pin shaft move together, and when the tongue pin shaft leaves the sliding sleeve tongue pin blind hole, the sliding sleeve tongue pin can be pushed out by an elastic element arranged behind the sliding sleeve tongue pin shaft. When the sliding sleeve latch is pushed out, the sliding sleeve latch is located in a path where the sliding sleeve moves up and down, so that the upward movement of the sliding sleeve can be prevented, and when the sliding sleeve latch retracts, the upward movement of the sliding sleeve latch can not be prevented.
When the eccentric shaft assembly is bent to finish returning, the eccentric shaft assembly can be contacted with the stop block ejector rod, so that the eccentric shaft stop block is pushed to move inwards, the tongue pin shaft is driven to move inwards in the kidney-shaped hole, the tongue pin shaft drives the sliding sleeve tongue pin to move inwards, the sliding sleeve tongue pin leaves the sliding sleeve, the sliding sleeve drives the eccentric shaft top retaining ring to move upwards under the action of the elastic element, and the eccentric shaft assembly is driven to move upwards together.
The axial movement of the tongue pin shaft is realized by a pin pulling rod component and an elastic element, the pin pulling rod component comprises a pin pulling rod seat, a pin pulling rod rolling shaft and a pin pulling hook, the pin pulling rod seat is fixed on the arc groove plate, the pin pulling rod can rotate around the pin pulling rod seat, the pin pulling hook is provided with an inclined surface, and when the pin pulling hook is in contact with the tongue pin shaft rolling shaft, the tongue pin shaft can be pulled and separated from the sliding sleeve tongue pin.
The arc groove plate top is provided with the upper plate, is provided with the filler post between upper plate and the arc groove plate, and the position between upper plate and the arc groove plate is guaranteed to the filler post, is provided with the main shaft apical pore in the middle of the upper plate, and main shaft assembly can pass through the main shaft apical pore.
The side of the shell is provided with a material pressing plate, the material pressing plate can slide up and down in the material pressing plate sliding sleeve, and the material pressing plate keeps the trend of moving downwards under the action of the elastic element.
The basic working principle is as follows: the reinforcing bar that waits to bend is arranged in between the main shaft assembly and the eccentric shaft subassembly of the below of casing, and the driving gear is rotatory by external force drive, drives driven gear rotatory, and when driven gear was rotatory, the main shaft assembly that is located on its axis does not rotate, and the eccentric shaft subassembly that is in eccentric position can be rotatory around the main shaft assembly to make the reinforcing bar that is located between main shaft assembly and the eccentric shaft subassembly bend. The bending angle of the reinforcing steel bar can be adjusted by adjusting the amplitude of the driving element of the driving gear.
As shown in fig. 9, a hoop bending machine comprises 5 hoop bending heads mounted side by side, a mounting rail, a driving rack and a driving convex rail, wherein the hoop bending heads are arranged on the mounting rail through mounting grooves and fixed through fastening holes; the driving gear is meshed with the driving gear and can reciprocate inside and outside at the position shown in the figure so as to drive the driving gear to rotate in a reciprocating manner; the driving convex rail can move left and right at the position shown in the figure, and the left and right movement respectively pushes the driving pin shifting rod rolling shaft and the hook pressing rolling shaft.
The process of bending a steel bar into a steel bar hoop is shown in fig. 10, and the hoop bending machine heads at two ends work firstly to bend two ends of the steel bar into acute angles, then the hoop bending machine heads at two sides in the middle work to bend the steel bar into a U-shaped structure, and finally the hoop bending machine heads in the middle work to bend the steel bar into a frame-shaped steel bar hoop. The positions of the 5 hoop bending heads on the mounting rail can be adjusted to obtain the reinforced hoops with different sizes.
Claims (9)
1. A hoop bending machine head is characterized in that: the method comprises the following steps: the gear box comprises a shell, a driving gear, a driven gear, a mounting groove and a fastening hole, wherein the shell is provided with the driven gear hole, the mounting groove and the fastening hole; the driven gear can rotate in the driven gear hole and is provided with a main shaft hole coaxial with the driven gear and an eccentric shaft hole not coaxial with the driven gear; the arc groove plate is provided with an arc groove and a main shaft through hole, and the radius of a central arc line of the arc groove is equal to the axial eccentricity of the eccentric shaft hole; the spindle assembly can move up and down in the spindle hole, and when the spindle assembly moves up and down, the lower end of the spindle can retract or extend out of the bottom of the shell, and the spindle assembly comprises a spindle body and a sliding sleeve capable of sliding on the spindle body; the eccentric shaft assembly can move up and down in the eccentric shaft hole, and when the eccentric shaft assembly moves up and down, the lower end of the eccentric shaft assembly can be retracted or extended out of the bottom of the shell; the eccentric shaft assembly can slide in the arc-shaped groove, so that the eccentric shaft assembly rotates around the main shaft assembly; a drive gear in meshing engagement with the driven gear.
2. The hoop bending machine head as claimed in claim 1, wherein: the main shaft assembly is pressed downwards by the pressing hook assembly, the pressing hook assembly comprises a pressing hook seat, a pressing hook rolling shaft and a pressing hook screw, the pressing hook seat is fixedly connected to the arc groove plate, the pressing hook can swing on the pressing hook seat, the pressing hook tail portion is provided with the pressing hook rolling shaft capable of rolling, the pressing hook head portion is provided with the pressing hook screw with adjustable length, and the pressing hook can be pressed downwards by the pressing hook screw when swinging.
3. The hoop bending machine head as claimed in claim 1, wherein: an umbrella head shaft and tongue pin assembly is arranged beside the main shaft assembly, and comprises an umbrella head, an umbrella head shaft, a tongue pin and a tongue pin seat, wherein the umbrella head shaft can move up and down in the umbrella head seat, and when the umbrella head shaft moves up and down, the tongue pin can retract in the tongue pin seat; and a spring for keeping the tongue pin to extend out is arranged behind the tongue pin, and when the tongue pin extends out, the spring can be pressed on the top of the spindle assembly to prevent the spindle assembly from moving upwards.
4. The hoop bending machine head as claimed in claim 1, wherein: the eccentric shaft assembly is arranged in an eccentric hole of the driven gear, and the driven gear is driven by the driving gear to rotate, so that the eccentric shaft assembly rotates around the main shaft assembly.
5. A hoop bending machine head as claimed in claim 3, wherein: the eccentric shaft assembly comprises a top retainer ring, an eccentric shaft and an eccentric shaft seat, wherein the top retainer ring is of a circular ring structure, an inner ring of the top retainer ring can be fastened with the eccentric shaft through a screw, and a spring is arranged on the eccentric shaft seat, so that the eccentric shaft has the tendency of extending out of the shell.
6. The hoop bending machine head as claimed in claim 5, wherein: when the top retaining ring rotates along with the eccentric shaft, the top retaining ring can be contacted with the umbrella head, so that the umbrella head is triggered to move axially, and the tongue pin is further prompted to retract.
7. The hoop bending machine head as claimed in claim 1, wherein: the other sliding sleeve tongue round pin subassembly that still is provided with of sliding sleeve, the sliding sleeve tongue round pin subassembly includes eccentric shaft dog, eccentric shaft dog groove, sliding sleeve tongue round pin groove and tongue round pin axle, the tongue round pin axle can pass and be located the dog hole of eccentric shaft and be located the sliding sleeve tongue round pin blind hole of sliding sleeve tongue round pin, still be provided with waist shape hole on the base member of sliding sleeve tongue round pin subassembly, the tongue round pin axle can make radial movement in the waist shape hole to drive the sliding sleeve tongue round pin with the eccentric shaft dog removes on the base member.
8. The hoop bending machine head as claimed in claim 7, wherein: the axial movement of the tongue pin shaft is realized by a shifting pin rod assembly and an elastic element, the shifting pin rod assembly comprises a shifting pin rod seat, a shifting pin rod rolling shaft and a shifting pin hook, the shifting pin rod seat is fixed on the arc groove plate, the shifting pin rod can rotate around the shifting pin rod seat, the shifting pin hook is provided with an inclined plane, and when the shifting pin rod seat is in contact with the tongue pin shaft rolling shaft, the tongue pin shaft can be pulled, and the tongue pin shaft is separated from the sliding sleeve tongue pin.
9. The hoop bending machine head as claimed in claim 1, wherein: the side face of the shell is provided with a material pressing plate, the material pressing plate can slide up and down in the material pressing plate sliding sleeve, and the material pressing plate keeps the trend of moving downwards under the action of the elastic element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021196842.6U CN212976540U (en) | 2020-06-24 | 2020-06-24 | Hoop bending machine head and hoop bending machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021196842.6U CN212976540U (en) | 2020-06-24 | 2020-06-24 | Hoop bending machine head and hoop bending machine |
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| CN212976540U true CN212976540U (en) | 2021-04-16 |
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| CN202021196842.6U Active CN212976540U (en) | 2020-06-24 | 2020-06-24 | Hoop bending machine head and hoop bending machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111589984A (en) * | 2020-06-24 | 2020-08-28 | 余承宏 | Hoop bending machine head and hoop bending machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111589984A (en) * | 2020-06-24 | 2020-08-28 | 余承宏 | Hoop bending machine head and hoop bending machine |
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