CN104625911A - Workpiece deburring device - Google Patents

Abstract

The invention discloses a workpiece deburring processing equipment, which includes a workpiece holder and a tool holder, wherein: the processing equipment also includes a first horizontal axis, a first vertical axis, a second horizontal axis, a second vertical axis and a third The horizontal axis, the first horizontal axis and the third horizontal axis are parallel to each other; the second horizontal axis is perpendicular to the first horizontal axis and the third horizontal axis; the workpiece holder is installed on the second vertical axis; the second vertical axis passes through the first The connecting box is installed on the second horizontal axis; the tool holder is installed on the third horizontal axis and rotates around the third horizontal axis; the third horizontal axis is installed on the first vertical axis through the second connecting box; the first vertical The straight shaft is installed on the first horizontal shaft through the third connection box. The workpiece deburring processing equipment provided by the present invention meets the flexible processing requirements of multiple degrees of freedom on the basis of low cost, can meet the switching of different grinding tools for a single workpiece, and can also realize the switching of different workpieces, so as to achieve the multi-purpose of one machine The purpose is to maximize the investment efficiency.

Description

Workpiece deburring processing equipment

technical field

The invention relates to mechanical processing technology, in particular to a workpiece deburring processing equipment.

Background technique

Many workpieces require deburring after preliminary machining, such as metal castings and plastic parts. The curved surface of the workpiece is complex, and the machining accuracy requirements of different positions are also different. There is no related automation equipment, and manual operation is required in most cases.

In order to meet the precision requirements, special equipment can be designed for specific castings. At present, the equipment that can meet the high degree of freedom processing includes robots and machining centers. However, the cost of robots and machining centers is relatively high, which does not meet investment expectations.

Contents of the invention

The invention provides a workpiece deburring processing equipment to meet the requirements of flexible processing with multiple degrees of freedom, reduce costs, and maximize investment efficiency.

The present invention provides a workpiece deburring processing equipment, including a workpiece holder and a tool holder, wherein: the processing equipment further includes a first horizontal axis, a first vertical axis, a second horizontal axis, a second vertical axis and a second Three horizontal axes, where:

said first horizontal axis and said third horizontal axis are parallel to each other;

the second horizontal axis is perpendicular to the first and third horizontal axes;

the workpiece holder is mounted on the second vertical axis and rotates around the second vertical axis;

The second vertical shaft is mounted on the second horizontal shaft through the first connection box and moves linearly along the second horizontal shaft;

The tool holder is mounted on the third horizontal axis and rotates around the third horizontal axis;

The third horizontal shaft is mounted on the first vertical shaft through the second connection box and moves linearly along the first vertical shaft;

The first vertical shaft is mounted on the first horizontal shaft through a third connection box and moves linearly along the first horizontal shaft.

In the workpiece deburring processing equipment as described above, preferably: the first connecting box is in the shape of a cuboid, the first connecting box is provided with a first track, and the second horizontal axis is connected to the first A track is used for coordinating and positioning the lead screw, so that the first connection box slides and positions on the second horizontal axis.

The workpiece deburring processing equipment as described above, wherein, preferably: the second connecting box is composed of a pair of splints and a horizontal positioning plate fixed above the splints;

The splint is provided with a positioning hole, and the positioning hole cooperates with the third horizontal axis as an axis hole;

The horizontal positioning plate is provided with a second track, and the second track is positioned in cooperation with the first vertical shaft as a screw, so that the second connecting box slides and positions on the first vertical shaft .

The workpiece deburring processing equipment as described above, wherein, preferably: the third connection box includes a vertical positioning plate, and a third track is arranged on the vertical positioning plate, and the third track is connected to the first The horizontal axis is used for coordinating positioning with the lead screw, so that the third connection box can slide and be positioned on the first horizontal axis.

In the workpiece deburring processing equipment described above, preferably, the workpiece holder is connected to the second vertical shaft through a universal connection block, and the universal connection block is used for installing a workpiece holder with a universal interface.

In the workpiece deburring processing equipment described above, preferably, the tool holder is fixed to the third horizontal shaft through a universal connecting plate, and the universal connecting plate is used to clamp a tool holder with a universal interface.

The workpiece deburring processing equipment as described above, wherein, preferably: the first horizontal axis, the first vertical axis, the second horizontal axis, the second vertical axis and the third horizontal axis are respectively driven by servo motors or steps into the motor drive.

The workpiece deburring processing equipment as described above, wherein, preferably: the servo motor or stepping motor is connected to the first horizontal shaft, the first vertical shaft, the second horizontal shaft, and the second vertical shaft through a coupling The straight axis is connected to the third horizontal axis.

In the above workpiece deburring processing equipment, preferably, the tool holder is provided with a clamping portion for clamping four tools, and the four tools are evenly distributed on both sides of the tool holder.

The workpiece deburring processing equipment as described above, preferably, further includes an electronic control unit, and the electronic control unit is electrically connected with the servo motor or stepping motor to control the servo motor or stepping motor operation; the electric control unit includes a PLC, a touch screen, and the electric control unit also includes a pulse generator or a motion controller.

The workpiece deburring processing equipment provided by the present invention meets the flexible processing requirements of multiple degrees of freedom on the basis of low cost, can meet the switching of different grinding tools for a single workpiece, and can also realize the switching of different workpieces, so as to achieve the multi-purpose of one machine The purpose is to maximize the investment efficiency. Compared with the existing technology, the main shaft on the machine tool of the prior art is cancelled, and the tool is directly installed on the tool holder, so the tool is a self-powered tool, and the material used for the frame is also reduced in weight due to the small force of the tool and low cost.

Description of drawings

Fig. 1 is the perspective view of the structure of the workpiece deburring processing equipment provided by the embodiment of the present invention;

Fig. 2 is the front view of the workpiece deburring processing equipment provided by the embodiment of the present invention;

Figure 3 is a partially enlarged view of Figure 2;

Fig. 4 is a top view of the workpiece deburring processing equipment provided by the embodiment of the present invention.

Detailed ways

The present invention will be described in detail below in conjunction with examples. Wherein the same components are denoted by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the words "inner" and "outer ” refer to directions towards or away from the geometric center of a particular part, respectively.

Figure 1 is a perspective view of the structure of the workpiece deburring processing equipment provided by the embodiment of the present invention, Figure 2 is a front view of the workpiece deburring processing equipment provided by the embodiment of the present invention, Figure 3 is a partial enlarged view of Figure 2, and Figure 4 is the present invention A top view of the workpiece deburring processing equipment provided in the embodiment.

The embodiment of the present invention provides a workpiece deburring processing equipment, including a workpiece frame 1, a tool frame 2, a first horizontal shaft 3, a first vertical shaft 4, a second horizontal shaft 5, a second vertical shaft 6 and a The three horizontal axes 7 use the principle of multi-axis linkage to meet the use requirements of high degrees of freedom.

As shown in Figures 1 to 3, wherein, the first horizontal axis 3 and the third horizontal axis 7 are parallel to each other; the second horizontal axis 5 is perpendicular to the first horizontal axis 3 and the third horizontal axis 7; The two vertical shafts 6 rotate, specifically, the workpiece holder 1 is mounted on the second vertical shaft 6 and rotates around the second vertical shaft 6, thereby realizing a movement track of the workpiece holder. The second vertical shaft 6 is mounted on the second horizontal shaft 5 through the first connection box 12 and moves linearly along the second horizontal shaft 5 .

Preferably, the first connection box 12 is in the shape of a cuboid, which can be machined from metal materials in the prior art. The first connection box 12 is provided with a first rail 121, and the second horizontal axis 5 is connected The track 121 is used to coordinate and position the lead screw, so that the first connection box 12 can slide and be positioned on the second horizontal axis 5 .

The tool holder 2 is installed on the third horizontal axis 7 and rotates around the third horizontal axis 7, and the third horizontal axis 7 is installed on the first vertical axis 4 through the second connection box 13 and is aligned along the first vertical axis 4 Move; the first vertical shaft 4 is installed on the first horizontal shaft 3 through the third connection box 14 and moves linearly along the first horizontal shaft 3, so that the tool holder 2, the third horizontal shaft 7 and the first vertical shaft 4 can move linearly along the first horizontal axis 3 together.

Preferably, the second connection box 13 is composed of a pair of splints 131 and a horizontal positioning plate 132 fixed above the splint; the splint 131 is provided with a positioning hole 134, and the positioning hole 134 is matched with the third horizontal shaft 7 as a shaft hole. Thus, the third horizontal shaft 7 and the splint 131 are fixed together. The horizontal positioning plate 132 is provided with a second rail 133 , and the second rail 133 is positioned in cooperation with the first vertical shaft 4 as a screw, so that the second connecting box 13 can slide and be positioned on the first vertical shaft 4 .

Further, the third connection box includes a vertical positioning plate 14, on which a third track 141 is arranged, and the third track 141 is positioned in cooperation with the first horizontal shaft 3 as a lead screw, so that the third connection box The body slides and positions on a first horizontal axis 3.

The above-mentioned workpiece holder 1 and tool holder 2 are all processed by metal materials, and the first horizontal axis 3, the first vertical axis 4, and the second horizontal axis 5 are guided by rails. The second vertical shaft 6 and the third horizontal shaft 7 are processed from cylindrical steel. In this processing equipment, the second vertical axis 6 is a workpiece holding axis, which can replace the hand holding the workpiece during manual grinding, and the third horizontal axis 7 is a tool holding axis, which can replace the hand holding the grinding tool in manual grinding.

Preferably, four cutters 9 are clamped on the tool holder 2, and the four cutters 9 are evenly distributed on both sides of the tool holder 2. As shown in Figure 4, the tool holder 2 rotates around the third horizontal axis 7, which can realize The switching between the four tools 9 is to change the tools according to different grinding requirements, and there is no interference between the tools 9, and the positioning of different tools around the third horizontal axis 7 at any angle can be realized according to the processing needs. The workpiece holder 1 rotates around the second vertical axis 6, which can realize multi-angle positioning of the workpiece 10, so as to adapt to grinding in different situations. During the application process, one to four cutters can be installed according to actual needs.

Preferably, the workpiece holder 1 is connected to the second vertical shaft 6 through a universal connecting block 8, and the universal connecting block 8 is used for installing the workpiece holder 1 with a universal interface. The external connection of the universal connection block 8 is set as a general interface, so that when using different fixtures or jigs, only the interface of the jig or jig needs to be designed as a common interface, and then it can be connected to the universal connection block 8, so that Different workpieces can be adapted to be installed on the second vertical axis 6, and the versatility is stronger.

Further, the tool holder 2 is fixed to the third horizontal shaft 7 through a universal connecting plate 11, and the universal connecting plate 11 is used to clamp the tool holder 2 with a universal interface. Using the standardized universal connection plate 11 as an interface, in addition to pneumatic or electric grinding tools, devices such as sensors or fixed drills can also be connected according to actual needs.

On the basis of the above embodiment, for the first horizontal axis 3, the first vertical axis 4, the second horizontal axis 5, the second vertical axis 6 and the third horizontal axis 7, servo motors or stepping motors can be used Direct drive technology, the servo motor or stepping motor is connected with the first horizontal axis 3, the first vertical axis 4, the second horizontal axis 5, the second vertical axis 6 and the third horizontal axis 7 through the coupling connect. Taking the servo motor as an example, its function is to:

1) Positioning processing can be performed without exceeding the rated torque of the servo motor;

2) In the case of exceeding the rated torque of the servo motor but not exceeding the maximum torque, the short-term overload characteristic of the servo motor can be used to realize the tracking processing on the surface of the workpiece, so that a certain force can be maintained between the workpiece and the tool, so that To achieve a good grinding effect;

3) When the maximum torque is exceeded, it will alarm and stop to ensure the safety of processing.

The processing equipment provided in this embodiment is controlled by an electronic control unit, and the electronic control unit is electrically connected with the servo motor or the stepping motor to control the operation of the servo motor or the stepping motor. The electronic control unit includes PLC, touch screen and motion control related devices such as pulse generator or motion controller. Using numerical control programming, the strategy of open-loop control, semi-closed-loop control or closed-loop control is used to control tool conversion and deburring processing.

The workpiece deburring processing equipment provided by the embodiment of the present invention can completely simulate the process of manual deburring, the workpiece is clamped by the workpiece holder on the second vertical axis, and the tool is clamped by the tool holder on the third horizontal axis to perform deburring Machining not only meets the requirements of the degree of freedom, but also satisfies the position accuracy at the same time, and controls the grinding force within a certain range by controlling the motor, so as to achieve a good grinding effect.

The processing equipment provided in this embodiment meets the requirements of flexible processing with multiple degrees of freedom on the basis of low cost, can meet the switching of different grinding tools for a single workpiece, and can also realize the switching of different workpieces, so as to achieve the purpose of one machine with multiple functions, and realize Maximize investment efficiency. In actual production, for a die-casting workpiece with a complex shape, it takes no more than 18 seconds to polish the riser and less than 22 seconds to remove the burrs by using this processing equipment. The whole process is automatically completed, and there is no switching between processes, which improves the efficiency of manual grinding by about double.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it can still be Modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features; such as using different forms of guide rails or synchronous belts, gear sets, etc., or using linear modules for functional replacement, etc., and These modifications or replacements do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. A workpiece deburring processing equipment, comprising a workpiece holder (1) and a tool holder (2), characterized in that: the processing equipment also includes a first horizontal axis (3), a first vertical axis (4), Second horizontal axis (5), second vertical axis (6) and third horizontal axis (7), where: The first horizontal axis (3) and the third horizontal axis (7) are parallel to each other; The second horizontal axis (5) is perpendicular to the first horizontal axis (3) and the third horizontal axis (7); The workpiece holder (1) is installed on the second vertical shaft (6) and rotates around the second vertical shaft (6); The second vertical shaft (6) is mounted on the second horizontal shaft (5) through the first connection box (12) and moves linearly along the second horizontal shaft (5); The tool holder (2) is installed on the third horizontal axis (7) and rotates around the third horizontal axis (7); The third horizontal shaft (7) is installed on the first vertical shaft (4) through the second connection box (13) and moves linearly along the first vertical shaft (4); The first vertical shaft (4) is installed on the first horizontal shaft (3) through a third connection box (14) and moves linearly along the first horizontal shaft (3). 2. The workpiece deburring processing equipment according to claim 1, characterized in that: the first connecting box (12) is in the shape of a cuboid, and the first connecting box (12) is provided with a first track (121 ), the second horizontal shaft (5) and the first track (121) are positioned in cooperation with the screw, so that the first connecting box (12) slides on the second horizontal shaft (5) and positioning. 3. The workpiece deburring processing equipment according to claim 2, characterized in that: the second connection box (13) is composed of a pair of splints (131) and a horizontal positioning plate (132) fixed above the splints; The splint (131) is provided with a positioning hole (134), and the positioning hole (134) cooperates with the third horizontal shaft (7) as an axis hole; The horizontal positioning plate (132) is provided with a second rail (133), and the second rail (133) is positioned in cooperation with the first vertical shaft (4) as a screw, so that the second connecting box (13) Sliding and positioning on said first vertical axis (4). 4. The workpiece deburring processing equipment according to claim 3, characterized in that: the third connection box includes a vertical positioning plate (14), and a third track is arranged on the vertical positioning plate (14) (141), the third track (141) is positioned in cooperation with the first horizontal shaft (3) as a lead screw, so that the third connection box slides and is positioned on the first horizontal shaft (3). 5. The workpiece deburring processing equipment according to any one of claims 1-4, characterized in that: the workpiece holder (1) is connected to the second vertical shaft (6) through a universal connecting block (8), and the The universal connection block (8) is used to install the workpiece holder (1) with universal interface. 6. The workpiece deburring processing equipment according to any one of claims 1-4, characterized in that: the tool holder (2) is fixed to the third horizontal shaft (7) through a universal connecting plate (11), so The universal connection plate (11) described above is used to hold the tool holder (2) with the universal interface. 7. The workpiece deburring processing equipment according to any one of claims 1-4, characterized in that: the first horizontal axis (3), the first vertical axis (4), the second horizontal axis (5), The second vertical axis (6) and the third horizontal axis (7) are respectively driven by a servo motor or a stepping motor. 8. The workpiece deburring processing equipment according to claim 7, characterized in that: the servo motor or stepping motor is connected to the first horizontal shaft (3) and the first vertical shaft (4) through a coupling , the second horizontal axis (5), the second vertical axis (6) and the third horizontal axis (7). 9. The workpiece deburring processing equipment according to any one of claims 1-4, characterized in that: the tool holder (2) is provided with a clamping part for clamping four tools (9), and the four tools (9) Both sides are evenly distributed on the tool holder (2). 10. The workpiece deburring processing equipment according to claim 9, further comprising an electric control unit, the electric control unit is electrically connected with the servo motor or stepping motor to control the servo motor or The operation of the stepping motor; the electric control unit includes a PLC and a touch screen, and the electric control unit also includes a pulse generator or a motion controller.