CN212264234U - Auxiliary tool for three-roller plate bending machine - Google Patents
Auxiliary tool for three-roller plate bending machine Download PDFInfo
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- CN212264234U CN212264234U CN202020143064.8U CN202020143064U CN212264234U CN 212264234 U CN212264234 U CN 212264234U CN 202020143064 U CN202020143064 U CN 202020143064U CN 212264234 U CN212264234 U CN 212264234U
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- auxiliary tool
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- plate bending
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Abstract
The utility model relates to an auxiliary fixtures for three-roller plate bending machine, the purpose is in order to solve the large-scale toper front bezel manufacturing process who exists among the prior art, damages the problem of three-roller plate bending machine frame easily. The utility model comprises a vertical main shaft and a cylindrical sleeve; the lower end of the vertical main shaft is fixed on a working table surface on one side of the lower roll of the three-roll plate bending machine, and the upper end of the vertical main shaft extends into the cylindrical sleeve and is rotatably connected with the cylindrical sleeve through a bearing assembly. The device also comprises a U-shaped base and a cross shaft; the opening of the U-shaped base is upward; the cross shaft penetrates through the two vertical arms of the U-shaped base; the lower end of the vertical main shaft extends into the U-shaped base and is hinged with the U-shaped base through a cross shaft. When the three-roller plate bending machine rolls the conical front disc, the small opening end of the conical front disc is contacted with the cylindrical sleeve and rotates, and the conical front disc is limited by the auxiliary tool, so that the conical front disc cannot collide with a rack at the front end of the three-roller plate bending machine and cannot block the rotation of the conical front disc.
Description
Technical Field
The utility model relates to a three-roller plate bending machine, concretely relates to auxiliary fixtures for three-roller plate bending machine.
Background
A three-roller plate bending machine is a universal device for bending a metal plate into a cylindrical, arc or other-shaped workpiece. Two lower rolls of the three-roll plate bending machine are driving rolls, the two lower rolls are driven to rotate through mechanical transmission of a motor and a speed reducer, an upper roll is driven, the upper roll is lifted and lowered through mechanical transmission, and the three-roll plate bending machine is realized through the motor, the speed reducer, a worm and a turbine. The three-roller plate bending machine is widely applied to the industries of boilers, shipbuilding, petroleum, chemical engineering, metallurgy, metal structures and other machinery manufacturing.
The conical front disc of the impeller of the existing large-scale ventilator or sintering machine is manufactured by a three-roller plate bending machine, the conical front disc is usually of a large-scale hollow frustum structure, the diameter is 1-4 m, the thickness is 6-20 mm, and the materials mostly adopt low-carbon alloy steel, stainless steel, high-strength steel and wear-resistant steel plates. Part of the conical front disc is made of high-strength welding structural steel HG785 and steel with the thickness of more than 14mm, and the hardness of the front disc is high; when the three-roller plate bending machine rolls the conical front disc, the conical front disc is clamped between the two lower rollers and the upper roller; the gap between the two lower rollers and the upper roller is adjusted to be in a state that one end is small and the other end is large through the control panel; the rolled workpiece is of a conical structure, so that the rolled workpiece can rotate around the rack at the end with a smaller gap of the three-roller plate rolling machine, and the small-opening end of the conical front disc often collides and rubs with the rack at the end during rotation, so that the rack of the three-roller plate rolling machine is seriously damaged.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the rack of the three-roller plate bending machine is easy to damage in the manufacturing process of the large conical front disc existing in the prior art, and providing an auxiliary tool for the three-roller plate bending machine.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the utility model provides an auxiliary fixtures for three-roller plate bending machine which characterized in that: comprises a vertical main shaft and a cylindrical sleeve;
the lower end of the vertical main shaft is fixed on a working table surface on one side of the lower roll of the three-roll plate bending machine, and the upper end of the vertical main shaft extends into the cylindrical sleeve and is rotatably connected with the cylindrical sleeve through a bearing assembly.
Furthermore, in order to ensure that the three-roller plate bending machine is not influenced by the auxiliary tool when processing other workpieces, the three-roller plate bending machine also comprises a U-shaped base and a transverse shaft;
the opening of the U-shaped base is upward;
the cross shaft penetrates through the two vertical arms of the U-shaped base;
the lower end of the vertical main shaft extends into the U-shaped base and is hinged with the U-shaped base through a transverse shaft.
Further, in order to enable the vertical main shaft and the cylindrical sleeve to be stable in the vertical state, the vertical main shaft and the cylindrical sleeve further comprise positioning pins;
at least one vertical arm on the U-shaped base is provided with a positioning hole;
a positioning spigot corresponding to the positioning hole is arranged on the vertical main shaft;
one end of the positioning pin penetrates through the positioning spigot, and the other end of the positioning pin penetrates through the positioning hole.
Furthermore, the positioning hole and the positioning spigot are both positioned below the transverse shaft.
Further, when the vertical main shaft rotates around the transverse shaft to be in a horizontal state, the cylindrical sleeve meets the following conditions: the highest point of the cylindrical sleeve is lower than that of the lower roller of the external three-roller plate bending machine.
Further, the bearing assembly comprises two bearings, a supporting cylinder and a bearing gland;
the two bearings are respectively sleeved on the vertical main shaft and positioned in the cylindrical sleeve;
the supporting cylinder is positioned between the two bearings and between the outer wall of the vertical main shaft and the inner wall of the cylindrical sleeve;
the bearing gland is vertically connected with the upper end face of the vertical main shaft, and the outer diameter of the bearing gland is larger than the inner diameter of the bearing.
Further, to extend the useful life of the bearing assembly inside the cylindrical sleeve, the cylindrical sleeve comprises a sleeve body, an upper cover plate and a lower cover plate;
the upper cover plate and the lower cover plate are respectively arranged at the upper end and the lower end of the sleeve body;
and the lower cover plate is provided with a through hole for the vertical spindle to pass through.
Further, the cross shaft comprises a cross shaft body, a bolt and a gasket;
one end of the cross shaft body is provided with a threaded hole along the axial direction;
and the bolt penetrates through the gasket and is in threaded connection with the cross shaft body through the threaded hole.
Further, in order to prolong the service life of the auxiliary tool, the U-shaped base, the vertical main shaft, the supporting cylinder and the cylindrical sleeve are made of materials with the outer surfaces subjected to quenching and tempering heat treatment.
The utility model has the advantages that:
1. the utility model has the advantages that the vertical main shaft is fixedly arranged on the working table surface at one side of the lower roll of the three-roll plate bending machine, the cylindrical sleeve is sleeved at the upper end of the vertical main shaft through the bearing assembly, when the conical front disc is rolled by the three-roll plate bending machine, the small-opening end of the conical front disc is contacted with the cylindrical sleeve and rotates, and therefore the conical front disc is limited by the auxiliary tool, so that the conical front disc can not collide with the frame at the front end of the three-roll plate bending machine, and the rotation of the conical front disc can not; if the three-roller plate bending machine is damaged, only the cylindrical sleeve needs to be replaced, so that the service life of the three-roller plate bending machine is prolonged, and the on-site safety production of an operator is ensured.
2. The utility model is provided with a U-shaped base, the U-shaped base is fixed on the working table surface at one side of the lower roll of the three-roll plate bending machine, and then the vertical main shaft is hinged with the U-shaped base through a cross shaft; the cylindrical sleeve and the vertical main shaft can be placed in a toppling mode, and when the vertical main shaft rotates around the transverse shaft to be in a horizontal state, the highest point of the cylindrical sleeve is lower than that of the lower roller of the external three-roller plate bending machine; the three-roller plate bending machine is not hindered by the auxiliary tool when processing other non-conical workpieces; the work time that the auxiliary tool is repeatedly disassembled to avoid blocking can be effectively saved, and the use and safety requirements are met.
3. In the utility model, the U-shaped base is provided with a positioning hole, and the vertical main shaft is provided with a positioning spigot corresponding to the positioning hole; when the vertical main shaft rotates to the vertical position around the transverse shaft, the positioning pin is inserted into the positioning hole and the positioning spigot, so that the vertical main shaft and the cylindrical sleeve are in a vertical fixed state, and the phenomenon that the vertical main shaft and the cylindrical sleeve are loosened to influence the processing of the conical front disc is avoided.
4. The U-shaped base, the vertical main shaft, the supporting cylinder and the cylindrical sleeve of the utility model all adopt materials with outer surfaces for quenching and tempering heat treatment, thus prolonging the service life of the auxiliary tool; meanwhile, the safe production and use effects are guaranteed.
Drawings
FIG. 1 is a schematic structural view of an auxiliary tool for a three-roll plate bending machine of the present invention;
fig. 2 is a left side view of fig. 1 (not fully showing the cylindrical sleeve internal structure).
Reference numerals:
1-U-shaped base, 11-positioning hole;
2-horizontal shaft, 21-horizontal shaft body, 22-bolt, 23-gasket;
3-cylindrical sleeve, 31-sleeve body, 32-upper cover plate, 33-lower cover plate;
4-vertical main shaft, 41-positioning spigot;
5-bearing assembly, 51-bearing, 52-support cylinder, 53-bearing gland;
6-positioning pin.
Detailed Description
To make the objects, advantages and features of the present invention clearer, the following detailed description of the auxiliary tool for a three-roll plate bending machine according to the present invention is provided with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more apparent from the following detailed description. It should be noted that: the drawings are in a very simplified form and are not to precise scale, and are provided solely for the purpose of facilitating and distinctly aiding in the description of the embodiments of the present invention; second, the structures shown in the drawings are often part of actual structures.
The following describes in detail an auxiliary tool for a three-roller plate bending machine according to the present invention with reference to the accompanying drawings and the detailed description.
As shown in fig. 1 and 2, the present invention includes two auxiliary tools, which are respectively located on the working tables at both sides of the lower roll of the three-roll plate bending machine and are arranged near the easy-wear frame end, and each auxiliary tool includes a U-shaped base 1, a cross shaft 2, a vertical main shaft 4, a cylindrical sleeve 3 and two positioning pins 6; the U-shaped base 1 is fixed on the working table top, and the opening of the U-shaped base 1 faces upwards; the cross shaft 2 is arranged on two vertical arms of the U-shaped base 1 in a penetrating way; the lower end of the vertical main shaft 4 extends into the U-shaped base 1 and is hinged with the U-shaped base 1 through a cross shaft 2; the U-shaped base 1 is fixed on one side of the three-roller plate bending machine, and the upper end of the vertical main shaft 4 extends into the cylindrical sleeve 3 and is rotatably connected with the cylindrical sleeve 3 through a bearing assembly 5. When the vertical main shaft 4 is turned into a horizontal state around the transverse shaft 2, the highest point of the cylindrical sleeve 3 is lower than the highest point of the lower roller of the external three-roller plate bending machine.
Therefore, when the three-roller plate bending machine is used for machining the conical front plate, the conical front plate is rotated around the two auxiliary tools, the small-opening end of the conical front plate is contacted with the outer wall of the cylindrical sleeve 3, and the cylindrical sleeve 3 smoothly rotates along with the conical front plate under the action of friction force during rotation, so that the conical front plate is prevented from damaging a rack due to moving friction;
the U-shaped base 1, the vertical main shaft 4, the supporting cylinder 52 and the cylindrical sleeve 3 are made of materials with outer surfaces subjected to quenching and tempering heat treatment, so that the U-shaped base is harder and wear-resistant, and even if the cylindrical sleeve 3 or the U-shaped base 1 is damaged due to friction, only the cylindrical sleeve 3 or the U-shaped base 1 needs to be replaced independently, a rack of the three-roller plate bending machine does not need to be replaced, and the cost caused by equipment damage is reduced.
Two positioning holes 11 are respectively arranged on two vertical arms of the U-shaped base 1 below the cross shaft 2, and positioning spigots 41 corresponding to the two positioning holes 11 are arranged on two sides of the lower end of the vertical main shaft 4; one end of each positioning pin 6 penetrates through the positioning spigot 41, and the other end penetrates through the positioning hole 11. Therefore, when the vertical main shaft 4 and the cylindrical sleeve 3 rotate to the vertical direction, the cylindrical sleeve 3 can be fixed through the positioning pin 6, so that the front disc in machining rotates around the cylindrical sleeve 3 more stably, and the machined front disc meets the standard better.
Preferably, the cylindrical sleeve 3 comprises a sleeve body 31, an upper cover plate 32 and a lower cover plate 33; the upper cover plate 32 and the lower cover plate 33 are respectively arranged at the upper end and the lower end of the sleeve body 31; thereby, the sleeve body 31, the upper cover plate 32, and the lower cover plate 33; a relatively sealed inner cavity is formed between the bearing component and the bearing component, and a bearing component 5 is arranged in the inner cavity; so that the bearing assembly 5 is not affected by dust impurities in the process; the lower cover plate 33 is provided with a through hole for the vertical spindle 4 to pass through.
Preferably, the bearing assembly 5 includes two bearings 51, a support cylinder 52 and a bearing gland 53; the two bearings 51 are respectively sleeved on the vertical main shaft 4 and positioned inside the cylindrical sleeve 3; the support cylinder 52 is located between the two bearings 51 and between the outer wall of the vertical main shaft 4 and the inner wall of the cylindrical sleeve 3. Thereby making the rotation of the vertical main shaft 4 more stable; the bearing gland 53 is vertically connected with the upper end surface of the vertical main shaft 4, and the outer diameter of the bearing gland is larger than the inner diameter of the bearing 51, so that the bearing 51 is prevented from moving or shifting to influence the work.
Preferably, the cross shaft 2 comprises a cross shaft body 21, a bolt 22 and a gasket 23; one end of the cross shaft body 21 is provided with a threaded hole along the axial direction; the bolt 22 passes through the gasket 23 and then is in threaded connection with the transverse shaft body 21 through a threaded hole. Therefore, the auxiliary tool is more convenient to mount and dismount.
Claims (9)
1. The utility model provides an auxiliary fixtures for three-roller plate bending machine which characterized in that: comprises a vertical main shaft (4) and a cylindrical sleeve (3);
the lower end of the vertical main shaft (4) is fixed on a working table surface on one side of the lower roller of the three-roller plate bending machine, and the upper end of the vertical main shaft extends into the cylindrical sleeve (3) and is rotatably connected with the cylindrical sleeve (3) through a bearing assembly (5).
2. The auxiliary tool for the three-roller plate bending machine according to claim 1, wherein the auxiliary tool comprises:
the device also comprises a U-shaped base (1) and a transverse shaft (2);
the opening of the U-shaped base (1) is upward;
the cross shaft (2) is arranged on two vertical arms of the U-shaped base (1) in a penetrating manner;
the lower end of the vertical main shaft (4) extends into the U-shaped base (1) and is hinged with the U-shaped base (1) through the cross shaft (2).
3. The auxiliary tool for the three-roller plate bending machine according to claim 2, wherein the auxiliary tool comprises: also comprises a positioning pin (6);
at least one vertical arm on the U-shaped base (1) is provided with a positioning hole (11);
a positioning spigot (41) corresponding to the positioning hole (11) is arranged on the vertical main shaft (4);
one end of the positioning pin (6) penetrates through the positioning spigot (41), and the other end of the positioning pin penetrates through the positioning hole (11).
4. The auxiliary tool for the three-roller plate bending machine according to claim 3, wherein the auxiliary tool comprises:
the positioning hole (11) and the positioning spigot (41) are both positioned below the transverse shaft (2).
5. The auxiliary tool for the three-roller plate bending machine according to claim 4, wherein the auxiliary tool comprises: when the vertical main shaft (4) rotates around the transverse shaft (2) to be in a horizontal state, the cylindrical sleeve (3) meets the following conditions: the highest point of the cylindrical sleeve (3) is lower than that of the lower roller of the external three-roller plate bending machine.
6. The auxiliary tool for the three-roll plate bending machine according to any one of claims 2 to 5, wherein the auxiliary tool comprises:
the bearing assembly (5) comprises two bearings (51), a supporting cylinder (52) and a bearing gland (53);
the two bearings (51) are respectively sleeved on the vertical main shaft (4) and positioned in the cylindrical sleeve (3);
the supporting cylinder (52) is positioned between the two bearings (51) and between the outer wall of the vertical main shaft (4) and the inner wall of the cylindrical sleeve (3);
the bearing gland (53) is vertically connected with the upper end face of the vertical main shaft (4), and the outer diameter of the bearing gland is larger than the inner diameter of the bearing (51).
7. The auxiliary tool for the three-roller plate bending machine according to claim 6, wherein the auxiliary tool comprises:
the cylindrical sleeve (3) comprises a sleeve body (31), an upper cover plate (32) and a lower cover plate (33);
the upper cover plate (32) and the lower cover plate (33) are respectively arranged at the upper end and the lower end of the sleeve body (31);
and a through hole for the vertical main shaft (4) to pass through is formed in the lower cover plate (33).
8. The auxiliary tool for the three-roll plate bending machine according to any one of claims 2 to 5, wherein the auxiliary tool comprises:
the transverse shaft (2) comprises a transverse shaft body (21), a bolt (22) and a gasket (23);
one end of the cross shaft body (21) is provided with a threaded hole along the axial direction;
the bolt (22) penetrates through the gasket (23) and then is in threaded connection with the cross shaft body (21) through a threaded hole.
9. The auxiliary tool for the three-roller plate bending machine according to claim 7, wherein the auxiliary tool comprises:
the U-shaped base (1), the vertical main shaft (4), the supporting cylinder (52) and the cylindrical sleeve (3) are made of materials with the outer surfaces subjected to quenching and tempering heat treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020143064.8U CN212264234U (en) | 2020-01-22 | 2020-01-22 | Auxiliary tool for three-roller plate bending machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020143064.8U CN212264234U (en) | 2020-01-22 | 2020-01-22 | Auxiliary tool for three-roller plate bending machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212264234U true CN212264234U (en) | 2021-01-01 |
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ID=73873385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020143064.8U Active CN212264234U (en) | 2020-01-22 | 2020-01-22 | Auxiliary tool for three-roller plate bending machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212264234U (en) |
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2020
- 2020-01-22 CN CN202020143064.8U patent/CN212264234U/en active Active
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