CN110743952B - Multipoint flexible digital forming die for concrete helical blade - Google Patents
Multipoint flexible digital forming die for concrete helical blade Download PDFInfo
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- CN110743952B CN110743952B CN201911056407.5A CN201911056407A CN110743952B CN 110743952 B CN110743952 B CN 110743952B CN 201911056407 A CN201911056407 A CN 201911056407A CN 110743952 B CN110743952 B CN 110743952B
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- helical blade
- lifting mechanism
- concrete
- shaft rod
- concrete helical
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
- B21D22/06—Stamping using rigid devices or tools having relatively-movable die parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/04—Movable or exchangeable mountings for tools
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- Engineering & Computer Science (AREA)
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Abstract
The invention discloses a multi-point flexible digital forming die for a concrete helical blade, which comprises an upper die guide box and a lower die guide box which are connected with each other, an upper die arranged in the upper die guide box, and a lower die arranged in the lower die guide box, wherein the upper die and the lower die are consistent in structure and respectively comprise a body, a plurality of spherical square blocks are arranged on the body through lifting mechanisms, each lifting mechanism comprises a servo motor, a shaft rod and a ball head structure, the power end of the servo motor is connected with the shaft rod through a fixed connecting structure, the shaft rod is connected with the body through a lifting mechanism, the ball head structure is arranged at the upper end of the shaft rod, and each ball head structure is provided with a spherical square block; the forming die further comprises a control system for controlling the action of each lifting mechanism and a positioning mechanism for fixing the position of the concrete helical blade. The invention realizes the molding of parts by the spherical square blocks by controlling the lifting of each lifting mechanism through the control system, and is particularly suitable for the small-batch production of three-dimensional curved surfaces and various products.
Description
Technical Field
The invention relates to the technical field of moulds, in particular to a multi-point flexible digital forming mould for a concrete helical blade.
Background
The blade A shown in figure 1 is mainly used on a concrete tank truck, mutually welded on a main shaft in the tank, made of a 4mm wear-resistant plate and belongs to a simply-shaped stamping type welding part, wherein the blade is hundreds of types in specification and model, different in part size and shape change, corresponding dies are manufactured according to different specifications of the blade at present, the cost is high, and the processing error difference between different parts is large. Therefore, a concrete helical blade multi-point flexible digital forming die is needed to be designed to solve the problem.
Disclosure of Invention
The invention aims to provide a multi-point flexible digital forming die for a concrete helical blade, which aims to solve the problems in the prior art.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a multi-point flexible digital forming die for a concrete helical blade comprises an upper die guide box and a lower die guide box which are connected with each other, an upper die arranged in the upper die guide box, and a lower die arranged in the lower die guide box, wherein the upper die and the lower die are consistent in structure and respectively comprise a body, a plurality of spherical square blocks are arranged on the body through a lifting mechanism, each lifting mechanism comprises a servo motor, a shaft rod and a ball head structure, the power end of the servo motor is connected with the shaft rod through a fixed connection structure, the shaft rod is connected with the body through a lifting mechanism, the ball head structure is arranged at the upper end of the shaft rod, and each ball head structure is provided with a spherical square block; the forming die further comprises a control system for controlling the action of each lifting mechanism and a positioning mechanism for fixing the position of the concrete helical blade.
Further, the lifting mechanism comprises a shaft sleeve, an internal thread is arranged in the shaft sleeve, an external thread is arranged at the upper end of the shaft rod, the internal thread in the shaft sleeve is matched with the external thread of the shaft rod, and the shaft sleeve is arranged in the body.
Furthermore, the outer side of the shaft sleeve is also provided with a limiting groove, and a limiting ring matched with the limiting groove is also arranged in the body.
Furthermore, the fixed connection structure comprises a coupler which is arranged at the lower end of the shaft lever and provided with a spline and connected with the power end of the servo motor; and a key groove matched with the spline is arranged in the coupler.
Further, positioning mechanism is including locating four stands on the body of lower mould, and the outside cover of every stand is equipped with the position sleeve, and two adjacent stands are used for the one side of location concrete helical blade, and two adjacent other stands are used for the opposite side of location concrete helical blade, and form a trapezium structure between four stands.
Further, the control system includes:
a model database for storing characteristic data of the concrete helical blade, the characteristic data including coordinate values (X0, Y0, Z0) of a reference point and coordinate values (Xn, Yn, Zn) of N points on the blade;
the selection module is used for selecting a corresponding concrete helical blade in the system according to an actually processed product;
the calculation module selects a specific concrete spiral blade, positions the position of each lifting mechanism according to the coordinate values (Xn, Yn and Zn) of N points on the blade, calculates the coordinate difference value (Xi, Yi and Zi) between the coordinate values of the N points on the blade and the coordinate values of the datum point, calculates the lifting displacement of the lifting mechanism on each upper die to be-Yi and the lifting displacement of the lifting mechanism on each lower die to be Yi, and transmits the data to the driving module;
and the driving module is used for driving the servo motor of each lifting mechanism to act according to the calculated lifting displacement.
Further, the device also comprises an input module used for inputting the characteristic data of the concrete helical blade.
Compared with the prior art, the invention has the advantages that: when the forming machine is used, the lifting of each lifting mechanism is controlled by the control system to form parts by the spherical square blocks, and the forming machine is particularly suitable for small-batch production of three-dimensional curved surfaces and various products.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a block diagram of a prior art blade.
Fig. 2 is a perspective view of the concrete helical blade multi-point flexible digital forming die of the invention.
Fig. 3 is a structural view of a lower die in the present invention.
Fig. 4 is a structural view of the drive mechanism of the present invention.
Fig. 5 is an exploded structural view of the driving mechanism of the present invention.
Fig. 6 is a control schematic of the present invention.
In the figure: the device comprises an upper die guide box 10, a lower die guide box 20, an upper die 30, a lower die 40, a spherical square block 50, a servo motor 60, a cross coupling 61, a positioning column 70, a positioning sleeve 71, an 80 shaft sleeve, a 90 shaft rod, a spline 100, an upper cavity 101, a square fixing column 102, an external thread 110, a ball head structure 120, a limiting groove 130, an input module 200, a lower cavity 201, a square positioning cavity 202, a positioning connecting plate 203, a model database 300, a selection module 400, a calculation module 500 and a driving module 600.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention will be more clearly and clearly defined.
Referring to fig. 2, the invention provides a multi-point flexible digital forming die for a concrete helical blade, which comprises an upper die guide box 10 and a lower die guide box 20 which are connected with each other, an upper die 30 arranged in the upper die guide box 10, and a lower die 40 arranged in the lower die guide box 20, wherein the upper die 30 and the lower die 40 have the same structure, and both comprise a body, a plurality of spherical square blocks 50 arranged on the body through a lifting mechanism, each lifting mechanism comprises a servo motor 60, a shaft rod 90 and a ball head structure 120, the power end of the servo motor 60 is connected with the shaft rod 90 through a fixed connection structure, the shaft rod 90 is connected with the body through a lifting mechanism, the ball head structure 120 is arranged at the upper end of the shaft rod 90, and each ball head structure 120 is provided with a spherical square block 50; the forming die further comprises a control system for controlling the action of each lifting mechanism and a positioning mechanism for fixing the position of the concrete helical blade.
In this embodiment, referring to fig. 4 and 5, the lifting mechanism includes a shaft sleeve 80, an internal thread is disposed in the shaft sleeve 80, an external thread is disposed at the upper end of the shaft rod 90, the internal thread in the shaft sleeve 80 is matched with the external thread of the shaft rod 90, the shaft sleeve 80 is installed in the body, a limiting groove 130 is further disposed on the outer side of the shaft sleeve 80, and a limiting ring matched with the limiting groove 130 is further disposed in the body. Because the position of the shaft sleeve 80 is fixed, when the servo motor 60 drives the shaft rod 90 to rotate, when the internal thread of the shaft sleeve 80 is matched with the external thread of the shaft rod 90, the shaft rod 90 can move upwards or descend, and then the spherical square block 50 is driven to move upwards or descend.
In this embodiment, the fixed connection structure includes a spline 100 disposed at the lower end of the shaft rod 90, and a coupling 70 connected to the power end of the servo motor 60; coupler 70 is provided with a keyway that mates with spline 100. This structure can transmit the power of the servo motor 60 to the shaft rod 90 well.
In this embodiment, referring to fig. 3, the positioning mechanism includes four columns 70 disposed on the body of the lower mold 40, a positioning sleeve 71 is sleeved outside each column 70, two adjacent columns 70 are used for positioning one side of the concrete helical blade, another two adjacent columns 70 are used for positioning the other side of the concrete helical blade, and a trapezoidal structure is formed between the four columns 70.
In this embodiment, four corners of the lower end of the upper mold guide box 10 are square fixing columns 102, four corners of the upper end of the lower mold guide box 20 are square positioning cavities 202, and the square fixing columns 102 and the square positioning cavities 202 are fixedly connected together through positioning connecting plates 203. And an upper cavity 101 is provided at the front side of the upper mold guide box 10 and a lower cavity 201 is provided at the front side of the lower mold guide box 20, so that the overall weight can be reduced.
In this embodiment, referring to fig. 1 and 6, the control system includes:
a model database 300 for storing characteristic data of the concrete helical blade, the characteristic data including coordinate values (X0, Y0, Z0) of a reference point O point and coordinate values (Xn, Yn, Zn) of N points on the blade;
the selection module 400 is configured to select a corresponding concrete helical blade in the system according to an actually processed product, that is, select a corresponding part to be processed according to a prompt of a graphical interface during actual use.
The calculation module 500 selects a specific concrete helical blade, positions the position of each lifting mechanism according to the coordinate values (Xn, Yn, Zn) of N points on the blade, calculates the coordinate difference value (Xi, Yi, Zi) between the coordinate values of the N points on the blade and the coordinate values of the reference point, calculates the lifting displacement of the lifting mechanism on each upper die 30 as-Yi, and the lifting displacement of the lifting mechanism on each lower die 40 as Yi, and transmits the data to the drive module 600;
the driving module 600 is used for driving the servo motor 60 of each lifting mechanism to act according to the calculated lifting displacement, so that all the spherical square blocks 50 on the upper die 30 and the lower die 40 can be extruded on the surface of the part to form the part according to a preset scheme.
The control system of this embodiment may further include an input module 200 for inputting characteristic data of the concrete helical blade, so that different blade data are input through the input module 200 to facilitate more data stored in the model database 300, in order to facilitate the universality of the forming mold.
The working principle of the invention is as follows: the workpiece is placed on the lower dies 40, the positioning sleeve 71 is used for positioning, the workpiece is placed to deviate, the control system is started at the moment, the lifting mechanism on each upper die 30 is driven to move according to the type of the blade, the lifting mechanism on each lower die 40 moves, and then the blade is formed.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, various changes or modifications may be made by the patentees within the scope of the appended claims, and within the scope of the invention, as long as they do not exceed the scope of the invention described in the claims.
Claims (6)
1. The utility model provides a concrete helical blade multiple spot flexibility digital forming die, includes interconnect's last mould guide box and lower mould guide box, locates the last mould in the mould guide box, locates the lower mould in the lower mould guide box, its characterized in that: the upper die and the lower die are consistent in structure and respectively comprise a body, a plurality of spherical square blocks are arranged on the body through a lifting mechanism, each lifting mechanism comprises a servo motor, a shaft rod and a ball head structure, the power end of the servo motor is connected with the shaft rod through a fixed connecting structure, the shaft rod is connected with the body through a lifting mechanism, the ball head structure is arranged at the upper end of the shaft rod, and each ball head structure is provided with a spherical square block; the forming die also comprises a control system for controlling the action of each lifting mechanism and a positioning mechanism for fixing the position of the concrete helical blade;
the control system includes:
a model database for storing characteristic data of the concrete helical blade, the characteristic data including coordinate values (X0, Y0, Z0) of a reference point and coordinate values (Xn, Yn, Zn) of N points on the blade;
the selection module is used for selecting a corresponding concrete helical blade in the system according to an actually processed product;
the calculation module selects a specific concrete spiral blade, positions the position of each lifting mechanism according to the coordinate values (Xn, Yn and Zn) of N points on the blade, calculates the coordinate difference value (Xi, Yi and Zi) between the coordinate values of the N points on the blade and the coordinate values of the datum point, calculates the lifting displacement of the lifting mechanism on each upper die to be-Yi and the lifting displacement of the lifting mechanism on each lower die to be Yi, and transmits the data to the driving module;
and the driving module is used for driving the servo motor of each lifting mechanism to act according to the calculated lifting displacement.
2. The concrete helical blade multi-point flexible digital forming die of claim 1, wherein: the lifting mechanism comprises a shaft sleeve, an internal thread is arranged in the shaft sleeve, an external thread is arranged at the upper end of the shaft rod, the internal thread in the shaft sleeve is matched with the external thread of the shaft rod, and the shaft sleeve is arranged in the body.
3. The concrete helical blade multi-point flexible digital forming die of claim 2, wherein: the outer side of the shaft sleeve is also provided with a limiting groove, and a limiting ring matched with the limiting groove is also arranged in the body.
4. The concrete helical blade multi-point flexible digital forming die of claim 2, wherein: the fixed connection structure comprises a spline arranged at the lower end of the shaft lever and a coupler connected with the power end of the servo motor; and a key groove matched with the spline is arranged in the coupler.
5. The concrete helical blade multi-point flexible digital forming die of claim 1, wherein: the positioning mechanism comprises four stand columns arranged on the body of the lower die, a positioning sleeve is sleeved on the outer side of each stand column, two adjacent stand columns are used for positioning one side of the concrete helical blade, the other two adjacent stand columns are used for positioning the other side of the concrete helical blade, and a trapezoidal structure is formed between the four stand columns.
6. The concrete helical blade multi-point flexible digital forming die of claim 1, wherein: the device also comprises an input module used for inputting the characteristic data of the concrete helical blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911056407.5A CN110743952B (en) | 2019-10-31 | 2019-10-31 | Multipoint flexible digital forming die for concrete helical blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911056407.5A CN110743952B (en) | 2019-10-31 | 2019-10-31 | Multipoint flexible digital forming die for concrete helical blade |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110743952A CN110743952A (en) | 2020-02-04 |
| CN110743952B true CN110743952B (en) | 2021-02-12 |
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| CN201911056407.5A Expired - Fee Related CN110743952B (en) | 2019-10-31 | 2019-10-31 | Multipoint flexible digital forming die for concrete helical blade |
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| CN101342558A (en) * | 2008-08-18 | 2009-01-14 | 吉林大学 | Sectional type multi-point shape adjusting device for three-dimensional curve generation of sheet |
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| CN104226751A (en) * | 2014-07-30 | 2014-12-24 | 西北工业大学 | Flexible stretch-bending and forming device for airplane sectional material |
| CN106825183A (en) * | 2017-01-18 | 2017-06-13 | 吉林大学 | The curved surface stretch forming device of multipoint excitation control |
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| CN110743952A (en) | 2020-02-04 |
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