CN109732687B - Multi freedom foam material cutting table - Google Patents
Multi freedom foam material cutting table Download PDFInfo
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- CN109732687B CN109732687B CN201910001640.7A CN201910001640A CN109732687B CN 109732687 B CN109732687 B CN 109732687B CN 201910001640 A CN201910001640 A CN 201910001640A CN 109732687 B CN109732687 B CN 109732687B
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Abstract
The invention discloses a multi-degree-of-freedom foam material cutting workbench, which comprises: a chassis; the pair of sliding rails are arranged on two sides of the underframe in parallel; the lead screw is positioned between the pair of slide rails, two ends of the lead screw are provided with bearings, the lead screw is rotatably arranged on the underframe through a bearing seat, and one end of the lead screw is provided with a linear motion motor; the sliding table can be arranged on the sliding rail in a sliding mode; the side tilting frame is rotatably connected with the side edge of the sliding table through a rotating shaft arranged on one side, a side tilting motor is arranged on one side of the rotating shaft, and a dovetail-shaped sliding block is fixedly arranged above the side tilting frame; the bottom of the workbench is provided with a sliding chute and can be rotatably connected with the side tilting frame through the sliding chute and the dovetail-shaped sliding block; the rack is fixed on the side tilting frame; the rotating motor is fixed on the bottom surface of the workbench through a rotating motor base, one end of the rotating motor is connected with a gear, and the position of the gear is meshed with the rack. The invention solves the defects of insufficient cutter freedom degree, low flexibility and the like of the foam cutting machine in the traditional foam material processing process.
Description
Technical Field
The invention belongs to the technical field of material cutting equipment, and particularly relates to a multi-degree-of-freedom foam material cutting workbench and a cutting mode thereof.
Background
The foam cutting equipment in the prior art has two processes of hot cutting and cold cutting, the hot cutting is electrified through a resistance wire to generate heat, and the foam is partially melted to be cut. The cutter adopted for cold cutting of the foam is provided with an annular blade, a vibrating blade and a linear cutting wire. When the annular blade works, the blade moves in a single direction to cut the material, the cutting process is stable, and the effect is best; the vibrating blade reciprocates during working, and the vibration of the machine tool is large; the wire cutting wire is used for cutting and processing materials in a grinding mode, has more dust and generally needs a dust suction device.
Foam cutting requires not only a tool, but also a cutting device to provide a relative feed motion between the workpiece and the tool to cut the desired surface. The cutting equipment in the prior art generally adopts a gantry type frame structure, a cutter is vertically installed and can transversely move, a workpiece is placed on a horizontal working table, the workpiece is driven by a front belt and a rear belt to longitudinally move, and the moving speeds in two directions are controlled by calculation, so that surfaces in any shapes vertical to the working table can be cut, including planes and cylindrical surfaces. However, for the processing of an inclined processing surface which is not perpendicular to the bottom surface, or a cylindrical surface and a conical surface which are not perpendicular to the surface of the workbench in the axial direction, the horizontal cutting workbench in the prior art cannot perform complex feeding motion, often only can be used for cutting by a manual method, the processing error is large, and the operation process is dangerous.
Disclosure of Invention
The invention aims to solve the defects that the existing foam cutting workbench has insufficient degree of freedom, low flexibility and single movement mode and is difficult to process the complicated shape of the foam.
To achieve the above object, according to a first aspect of the present invention, there is provided a multi-degree-of-freedom foam material cutting table, comprising:
a base frame for supporting the work table;
the pair of sliding rails are arranged on two sides of the underframe in parallel;
the screw rod is positioned between the pair of slide rails and is arranged in parallel with the slide rails, two ends of the screw rod are provided with bearings and can be rotatably arranged on the underframe through bearing seats, and one end of the screw rod is provided with a linear motion motor to drive the screw rod to rotate;
the sliding tables are slidably arranged on the pair of sliding rails;
the side tilting frame is rotatably connected with the side edge of the sliding table through a rotating shaft arranged on one side, a side tilting motor is arranged on one side of the rotating shaft and used for driving the rotating shaft to rotate, and a dovetail-shaped sliding block is fixedly arranged above the side tilting frame;
the bottom of the workbench is provided with a sliding chute matched with the dovetail-shaped sliding block of the side tilting frame and is rotatably connected with the side tilting frame through the sliding chute and the dovetail-shaped sliding block;
the rack is fixed on the side tilting frame;
the rotary motor is fixed on the bottom surface of the workbench through a rotary motor base, one end of the rotary motor is connected with a gear, and the gear is meshed with the rack, so that the rotation of the rotary motor can drive the gear to move along the rack.
According to the invention, two groups of sliding blocks are arranged at the bottom of the sliding table, each group corresponds to one sliding rail, and the configuration of the bottom of each sliding block is matched with that of the corresponding sliding rail, so that the sliding blocks can slide along the sliding rails.
According to a preferred embodiment of the invention, the number of said sliders per group is 2.
According to the preferred embodiment of the invention, the rotating shaft which is used for being rotatably connected with the sliding table on the side tilting frame is a pin shaft and is connected with the sliding table through a bearing.
According to the invention, a flange plate is fixed on one side of the sliding table, and the side-tipping motor is fixed on the flange plate and is connected with the rotating shaft through a coupler, so that the rotating shaft can be driven to rotate by the rotation of the side-tipping motor.
According to a preferred embodiment, the dovetail-shaped slider is two arranged above each other.
According to the invention, one end of the underframe is provided with the linear motion motor base, and the linear motion motor is arranged on the linear motion motor base and is connected with the screw rod through the screw rod coupler, so that the rotation of the linear motion motor can drive the screw rod to rotate.
According to the preferred embodiment of the invention, the bottom of the sliding table is fixed with the screw nut, the screw nut is provided with threads matched with the screw, and the screw nut is sleeved on the screw, so that the rotation of the screw can be linked with the sliding table to move along the screw.
According to the invention, the workbench is of a hollow cavity structure, the bottom surface of the workbench is provided with a plurality of grooves for mounting the suckers, and the grooves are provided with holes for sucking foam materials to be processed on the workbench; the front surface of the workbench is provided with a plurality of cover plates to cover the positions of the holes.
In a second aspect of the present invention, there is provided a cutting processing method using the above multi-degree-of-freedom foam material cutting table, including the following steps:
the method comprises the following steps: installing a vacuum sucker in a circular groove on the bottom surface of a workbench, starting the vacuum sucker, opening or closing a cover plate on the workbench surface according to the size requirement of a machined part, sucking a foam material on the workbench surface, driving the workbench to move to the position near a cutting knife by using a lead screw motor, and enabling the workpiece to complete complex feeding motion by using the cooperative motion of the lead screw motor, a tilting motor and a rotating motor so as to enable the cutting knife to machine the workpiece;
step two: after the machining is finished, the tilting motor moves to reset the workbench, the rotating motor drives the workbench to rotate to the horizontal position, the lead screw motor drives the workbench to withdraw from the working area, the operation of the vacuum chuck is closed, and the machined workpiece is taken down.
The multi-degree-of-freedom foam material cutting workbench can realize foam cutting processing of complex feeding motion, overcomes the defects that the cutter of a foam cutting machine in the traditional foam material processing process is insufficient in degree of freedom, low in flexibility, single in motion mode of the processing workbench, and difficult to process the side face of a cuboid workpiece into a complex curved surface such as an arc groove which is not perpendicular to the top face, and has good popularization and application values.
Drawings
FIG. 1 is a schematic view of the overall structure of a multi-degree-of-freedom foam material cutting table according to the present invention.
Fig. 2 is a schematic view of the overall structure from the opposite view of fig. 1.
Fig. 3 is a schematic view of a connection structure of the sliding table and the roll frame.
Fig. 4 is a schematic structural view of the slide table.
FIG. 5 is an enlarged view of the connection of the runner of the table to the dovetail slide of the roll stand.
Fig. 6 is an enlarged schematic view of a pin shaft portion connecting the sliding table and the roll stand in fig. 1.
FIG. 7 is an enlarged schematic view of a lead screw nut and a lead screw connected to the bottom of the sliding table.
Fig. 8 is an enlarged schematic view of the gear and rack engagement connection of the rotary electric machine.
Description of the figure numbers:
a chassis-1; a linear motion motor base-2; a linear motion motor-3; a screw coupling-4;
a lead screw-5; a slide rail-6; a slide block-7; a sliding table-8; a roll frame-9; a working table top-10; a cover plate-11;
a screw bearing-12; a screw bearing block-13; a pin-14; a coupler-15; a flange-16;
a lead screw nut-17; a roll motor-18; bearing-19; a rack-20; gear-21;
a rotating motor base-22; a rotating electrical machine-23; dovetail slide-24; a groove-25; a chute-26.
Detailed Description
The multi-degree-of-freedom foam material cutting table of the invention is further described in detail by specific embodiments in the following with reference to the attached drawings. It should be understood that the following examples are illustrative only and are not intended to limit the scope of the present invention.
As shown in fig. 1 and 2, the multi-degree-of-freedom foam material cutting table of the present invention includes:
a base frame 1 for supporting a table 10;
a pair of slide rails 6 arranged in parallel on both sides of the base frame 1;
the lead screw 5 is positioned between the pair of slide rails 6 and is arranged in parallel with the slide rails 6, two ends of the lead screw 5 are provided with bearings 12, the lead screw is rotatably arranged on the underframe 1 through a bearing seat 13, and one end of the lead screw 5 is provided with a linear motion motor 3 to drive the lead screw 5 to rotate;
the sliding table 8 is slidably arranged on the pair of sliding rails 6;
the side tilting frame 9 is rotatably connected with the side edge of the sliding table 8 through a rotating shaft 14 arranged on one side, a side tilting motor 18 is arranged on one side of the rotating shaft 14 and used for driving the rotating shaft 14 to rotate, and a dovetail-shaped sliding block 24 is fixedly arranged above the side tilting frame 9;
a sliding groove 26 (fig. 5) matched with the dovetail-shaped sliding block 24 of the side stand 9 is arranged at the bottom of the workbench 10, and as shown in fig. 5, the workbench 10 is rotatably connected with the side stand 9 through the sliding groove 26 and the dovetail-shaped sliding block 24;
a rack 20 fixed to the roll stand 9;
a rotating motor 23, as shown in the enlarged schematic view of fig. 8, the rotating motor 23 is fixed on the bottom surface of the worktable 10 through a rotating motor base 22, a gear 21 is connected to one end of the rotating motor 23, and the gear 21 is positioned to be exactly meshed with the rack 20, so that the rotation of the rotating motor 23 can drive the gear 21 to move along the rack 20, and further drive the worktable 10 to rotate along the dovetail slide 24.
Thus, since the sliding table 8 can move linearly along the sliding rail 6, the roll stand 9 can rotate along the rotating shaft 14, and the workbench 10 can rotate along the dovetail-shaped slider 24, the working surface of the workbench 10 has three degrees of freedom of linear movement, roll movement and rotating movement, and the roll shaft and the rotating shaft are perpendicular to each other.
As shown in fig. 4, two sets of sliding blocks 7 are arranged at the bottom of the sliding table 8, and each set corresponds to one sliding rail 6; in this embodiment, each set of 2 sliders is 4, and the configuration of the bottom of the slider 7 matches with the configuration of the slide rail 6, so that the slider 7 can slide along the slide rail 6.
As shown in fig. 3, the rotating shaft 14 of the roll stand 9, which is rotatably connected to the sliding table 8, is a pin shaft and is connected to the sliding table 8 through a bearing 19.
As shown in the enlarged schematic diagrams of fig. 5, fig. 1 and fig. 6, a flange 16 is fixed on one side of the sliding table 8, and the roll motor 18 is fixed on the flange 16 and connected with the pin 14 through the coupling 15, so that the rotation of the roll motor 18 can drive the pin 14 to rotate, and further, the roll movement of the roll frame 9 and the workbench 10 thereon is linked.
As shown in fig. 3, the number of the dovetail sliders 24 is preferably two in the vertical direction, so that the stability of the table 10 can be ensured.
Returning to fig. 1, a linear motion motor base 2 is installed at one end of the bottom frame 1, and a linear motion motor 3 is installed on the linear motion motor base 2 and connected with a lead screw 5 through a lead screw coupler 4, so that the lead screw 5 can be driven to rotate by the rotation of the linear motion motor 3.
As shown in fig. 4, fig. 1 and the enlarged schematic view of fig. 7, a screw nut 17 is fixed at the bottom of the sliding table 8, and the screw nut 17 is provided with a thread matching with the screw 5 and sleeved on the screw 5, so that the rotation of the screw 5 can link the sliding table 8 to move along the screw 5.
In order to facilitate cutting and processing of the foam material, the workbench 10 is a hollow cavity structure, as shown in fig. 1 and 2, a plurality of grooves 25 for mounting suction cups are formed in the bottom surface of the workbench, and holes (not shown in the figure) are formed in the grooves 25 for sucking the foam material to be processed on the workbench 10; the front of the working table 10 is provided with a plurality of cover plates 11 to cover the positions of the holes, so that the adsorption function can be opened in different areas through opening and closing of the cover plates 11, thereby facilitating cutting processing.
The worktable 10 can be further provided with a controller to intelligently control the cutting process of the equipment through computer programming.
The cutting processing method of the multi-degree-of-freedom foam material cutting workbench comprises the following steps:
the method comprises the following steps: installing a vacuum sucker in a circular groove on the bottom surface of a workbench 10, starting the vacuum sucker, opening or closing a cover plate 11 on the workbench according to the size requirement of a machined part, sucking foam materials on the workbench, driving the workbench 10 to move to the position near a cutting knife by using a lead screw motor 3, and enabling the workpiece to complete complex feeding motion by using the cooperative motion of the lead screw motor 3, a side-tipping motor 18 and a rotating motor 23 so as to machine the workpiece by using the cutting knife;
step two: after the machining is finished, the tilting motor 18 moves to reset the workbench 10, the rotating motor 23 drives the workbench 10 to rotate to the horizontal position, the lead screw motor 5 drives the workbench to exit from the working area, the operation of the vacuum chuck is closed, and the machined workpiece is taken down.
The foam cutting workbench has the advantages that the foam cutting workbench is convenient to process and capable of achieving complex feeding motion, and the defects that in the traditional foam material processing process, the cutter of a foam cutting machine is insufficient in freedom degree and low in flexibility, the motion mode of the processing workbench is single, and complex appearance processing is difficult to perform on foam are overcome.
It will be understood by those skilled in the art that various modifications and equivalent changes may be made to the patented embodiments without departing from the spirit and scope of the claims, and the scope of the invention is to be determined by the appended claims.
Claims (9)
1. A multi freedom foam material cutting workstation which characterized in that includes:
a base frame for supporting the work table;
the pair of sliding rails are arranged on two sides of the underframe in parallel;
the screw rod is positioned between the pair of slide rails and is arranged in parallel with the slide rails, two ends of the screw rod are provided with bearings and can be rotatably arranged on the underframe through bearing seats, and one end of the screw rod is provided with a linear motion motor to drive the screw rod to rotate;
the sliding tables are slidably arranged on the pair of sliding rails;
the side tilting frame is rotatably connected with the side edge of the sliding table through a rotating shaft arranged on one side, a side tilting motor is arranged on one side of the rotating shaft and used for driving the rotating shaft to rotate, and a dovetail-shaped sliding block is fixedly arranged above the side tilting frame and is two in up-and-down arrangement;
the bottom of the workbench is provided with a sliding chute matched with the dovetail-shaped sliding block of the side tilting frame and is rotatably connected with the side tilting frame through the sliding chute and the dovetail-shaped sliding block;
the rack is fixed on the side tilting frame;
the rotary motor is fixed on the bottom surface of the workbench through a rotary motor base, one end of the rotary motor is connected with a gear, and the gear is meshed with the rack, so that the rotation of the rotary motor can drive the gear to move along the rack.
2. The multi-degree-of-freedom foam material cutting workbench according to claim 1, wherein two sets of sliding blocks are arranged at the bottom of the sliding table, each set corresponds to one sliding rail, and the configuration of the bottom of each sliding block is matched with that of each sliding rail, so that each sliding block can slide along each sliding rail.
3. The multiple degree of freedom foam cutting table of claim 2, wherein each set of slides is 2 in number.
4. The multi-degree-of-freedom foam material cutting workbench according to claim 1, wherein the rotating shaft on the tipping frame for rotatable connection with the sliding table is a pin shaft and is connected with the sliding table through a bearing.
5. The multi-degree-of-freedom foam material cutting workbench according to claim 1, wherein a flange is fixed on one side of the sliding table, and the roll motor is fixed on the flange and connected with the rotating shaft through a coupler, so that the rotation of the roll motor can drive the rotating shaft to rotate.
6. The multi-degree-of-freedom foam material cutting workbench according to claim 1, wherein a linear motion motor base is mounted at one end of the bottom frame, and the linear motion motor is mounted on the linear motion motor base and connected with the lead screw through a lead screw coupling, so that the lead screw can be driven to rotate by rotation of the linear motion motor.
7. The multi-degree-of-freedom foam material cutting workbench according to claim 1, wherein a lead screw nut is fixed at the bottom of the sliding table, is provided with threads matched with the lead screw, and is sleeved on the lead screw, so that the rotation of the lead screw can link the sliding table to move along the lead screw.
8. The multi-degree-of-freedom foam material cutting workbench according to claim 1, wherein the workbench is a hollow cavity structure, a plurality of grooves for mounting suckers are formed in the bottom surface of the workbench, and holes are formed in the grooves and used for sucking foam materials to be processed on the workbench; the front surface of the workbench is provided with a plurality of cover plates to cover the positions of the holes.
9. The cutting processing method adopting the multi-degree-of-freedom foam material cutting workbench according to any one of claims 1 to 8, characterized by comprising the following steps:
the method comprises the following steps: installing a vacuum sucker in a circular groove on the bottom surface of a workbench, starting the vacuum sucker, opening or closing a cover plate on the workbench surface according to the size requirement of a machined part, sucking a foam material on the workbench surface, driving the workbench to move to the position near a cutting knife by using a lead screw motor, and enabling the workpiece to complete complex feeding motion by using the cooperative motion of the lead screw motor, a tilting motor and a rotating motor so as to enable the cutting knife to machine the workpiece;
step two: after the machining is finished, the tilting motor moves to reset the workbench, the rotating motor drives the workbench to rotate to the horizontal position, the lead screw motor drives the workbench to withdraw from the working area, the operation of the vacuum chuck is closed, and the machined workpiece is taken down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910001640.7A CN109732687B (en) | 2019-01-02 | 2019-01-02 | Multi freedom foam material cutting table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910001640.7A CN109732687B (en) | 2019-01-02 | 2019-01-02 | Multi freedom foam material cutting table |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109732687A CN109732687A (en) | 2019-05-10 |
| CN109732687B true CN109732687B (en) | 2020-08-18 |
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ID=66363190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910001640.7A Active CN109732687B (en) | 2019-01-02 | 2019-01-02 | Multi freedom foam material cutting table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109732687B (en) |
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- 2019-01-02 CN CN201910001640.7A patent/CN109732687B/en active Active
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| CN109732687A (en) | 2019-05-10 |
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