Die casting saw cutting system

Abstract

The utility model provides a die casting saw cutting system which comprises a fixing frame, a workpiece positioning tool, a sliding table assembly, a high-precision cutting unit, a first robot and a controller, the sliding table assembly is fixed on the fixing frame, the sliding table assembly comprises a sliding table and a driving unit driving the sliding table to move, the sliding table is provided with a feeding and discharging position and a cutting position, and the first robot is connected with the controller. The sliding table is used for driving the workpiece positioning tool to move between the feeding and discharging position and the cutting position. The cutting unit is arranged above the cutting position and comprises a cutting head; the first robot is fixed to the fixing frame, and the cutting head is installed at the handheld end of the first robot. And the driving unit, the first robot and the cutting unit are electrically connected with the controller. The cutting system composed of the sliding table, the high-precision cutting unit and the robot is adopted, the problem of loading of a cutting tool and the robot for saw cutting is effectively solved, and the environmental problem caused by the adoption of an oil press and the complex operation process and high cost when a trimming die is replaced are avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of die casting sawing, especially relates to a die casting sawing cutting system. BACKGROUND

[0002] Die casting is a kind of pressure casting parts, and the metal is pressed into the product needed by us by adopting the process of die casting, and the automobile parts and automobile engine pipe fittings are used. Generally, the die casting needs to be sawed after being taken out.

[0003] For the sawing of large die casting, the workpiece is heavy, so the cutter moves and the workpiece does not move. Through the development of special sawing equipment, the parts are processed. There are usually robot forms and machine tool forms. For the automatic sawing unit of the robot form - the flexibility of the equipment is insufficient: sawing adopts saw blade cutting, which is limited by the installation structure and the base material of the saw disc. The saw blade cannot be too large or too small. If the saw blade is too large, the cutting force is large, and the related equipment needs to improve the rigidity and power. At the same time, the large saw blade cannot enter the corner of the part, and many positions are difficult to clean. If the saw blade is too small, the installation is difficult, and the cutter is easy to be damaged. For the hydraulic edge cutting machine of the machine tool form: the larger the part is, the larger the tonnage of the oil press needed is. At the same time, the hydraulic system is complex, the hydraulic oil leaks and pollutes the environment. When the part is changed, the edge cutting die needs to be replaced. The edge cutting die is expensive and has a long manufacturing cycle, which cannot meet the flexible production demand. UTILITY MODEL CONTENTS

[0004] In view of the above technical problems, the utility model provides a die casting sawing cutting system, which adopts a cutting system composed of a sliding table, a high-precision cutting unit and a robot, effectively solves the tool and robot load problem of sawing, avoids the environmental problems brought by the oil press and the complex operation process and high cost when replacing the edge cutting die.

[0005] To achieve the above purpose, the technical scheme of the utility model is as follows:

[0006] A die casting sawing cutting system, comprising:

[0007] A fixed frame;

[0008] A workpiece positioning tool, on which the workpiece to be cut is installed;

[0009] A sliding table assembly fixed on the fixed frame, comprising a sliding table and a driving unit for driving the sliding table to move, the sliding table having a feeding and discharging position and a cutting position, and the sliding table drives the workpiece positioning tool to move between the feeding and discharging position and the cutting position on the sliding table, and can reciprocate between the feeding and discharging position and the cutting position;

[0010] A high-precision cutting unit is arranged above the cutting position, and the cutting unit comprises a cutting head;

[0011] A first robot is fixed on the fixing frame, and the cutting head is mounted on the hand-held end of the first robot;

[0012] A controller is electrically connected with the driving unit, the first robot and the cutting unit.

[0013] Preferably, the high-precision cutting unit is a laser, plasma or high-pressure water cutting unit.

[0014] Preferably, the sliding table assembly comprises a first sliding table assembly and a second sliding table assembly, and correspondingly, the driving unit comprises a first driving unit and a second driving unit, and the sliding table comprises a first sliding table and a second sliding table arranged on a straight line.

[0015] The first sliding table and the second sliding table each comprise a sliding rail, a plurality of sliding blocks and a sliding rail fixing frame, the sliding blocks are in sliding connection with the sliding rail, the workpiece positioning tool is fixed on the sliding blocks, the sliding rail fixing frame is fixed on the fixing frame, and the sliding rail is fixed on the sliding rail fixing frame.

[0016] Preferably, the first driving unit and the second driving unit comprise two groups of driving motors and two groups of transmission assemblies, and the two groups of driving motors and the two groups of transmission assemblies are symmetrically arranged about the sliding rail axis.

[0017] The transmission assembly comprises a first rotating shaft, a first pulley, a second pulley, a third pulley, a fourth pulley, a fifth pulley and a transmission belt, the driving motor is fixed on the sliding rail fixing frame, one end of the first rotating shaft is connected with the output end of the driving motor, the first pulley is arranged at the other end of the first rotating shaft, the second pulley, the third pulley, the fourth pulley and the first pulley are rotationally arranged at the feeding position of the sliding rail fixing frame, the fifth pulley is rotationally arranged at the cutting position of the sliding rail fixing frame, and the transmission belt is connected with the first pulley, the second pulley, the third pulley, the fourth pulley and the fifth pulley.

[0018] The upper part of the transmission belt connecting the third pulley and the fifth pulley is parallel to the horizontal line, and the workpiece positioning tool is connected with the transmission belt arranged horizontally.

[0019] Preferably, a protective cover is further included, the cutting position, the cutting unit and the first robot are arranged inside the protective cover, and the feeding position and the discharging position are located outside the protective cover.

[0020] The protective cover is provided with a first electric protective door and a second electric protective door, the first electric protective door corresponds to the first sliding table, the second electric protective door corresponds to the second sliding table, and the first electric protective door and the second electric protective door are electrically connected with the controller respectively.

[0021] Preferably, a second robot is further included for mounting the workpiece to be cut on a workpiece positioning tool.

[0022] Preferably, the first robot and the second robot are six-axis industrial robots or gantry robots.

[0023] The workpiece positioning tool is provided with a gravity sensor, and the gravity sensor is electrically connected with the controller.

[0024] Preferably, a waste basket is included and arranged below the cutting position.

[0025] The utility model has the following advantages and positive effects compared with the prior art due to the adoption of the above technical scheme:

[0026] The utility model discloses an automatic cutting system, including sliding table assembly, high accuracy cutting unit, first robot and controller, the workpiece positioning tool of fixed workpiece to be cut can be moved from the loading and unloading position to the cutting position in the sliding table of sliding table assembly, and then be moved to the loading and unloading position from the cutting position, when the workpiece positioning tool moves to the cutting position, the first robot drives high accuracy cutting unit to cut workpiece, because the high freedom robot and high accuracy cutting unit can cut the corner of workpiece, therefore equipment flexibility is good.Further, high accuracy cutting unit adopts laser, plasma and high pressure water cutting unit, and cutting flexibility is better.In addition, high accuracy cutting unit is not hydraulic system, and there is no environmental problem and complicated operation process and high cost of replacing the edge die that oil pressure machine brings. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is the schematic diagram of the die casting saw cutting cutting system of the utility model;

[0028] Figure 2 It is the schematic diagram of the sliding table in the die casting saw cutting cutting system of the utility model;

[0029] Figure 3 It is the schematic diagram of the first sliding table in the die casting saw cutting cutting system of the utility model;

[0030] Figure 4 It is Figure 3 The enlarged view of part A in the figure.

[0031] Explanation of reference numerals in the attached drawings: 1-Fixed frame; 2-Workpiece positioning fixture; 3-Cutting head; 4-Loading / unloading position; 5-Cutting position; 6-First robot; 7-First slide table; 8-Second slide table; 9-Slide rail; 10-Slider; 11-Slide rail fixing frame; 12-First pulley; 13-Second pulley; 14-Third pulley; 15-Fourth pulley; 16-Fifth pulley; 17-Conveyor belt; 18-Scrap basket; 19-Drive motor; 20-Control cabinet. Detailed Implementation

[0032] The following detailed description, in conjunction with the accompanying drawings and specific embodiments, provides a further detailed explanation of the die-casting sawing and cutting system proposed in this utility model. The advantages and features of this utility model will become clearer from the following description.

[0033] See Figure 1 A die-casting sawing and cutting system includes: a fixed frame 1, a workpiece positioning fixture 2, a slide assembly, a high-precision cutting unit, a first robot 6, and a controller;

[0034] The workpiece to be cut is mounted on the workpiece positioning fixture 2;

[0035] The slide assembly is fixed on the fixed frame 1. The slide assembly includes a slide and a drive unit that drives the slide to move. The slide has a loading / unloading position 4 and a cutting position 5. The slide drives the workpiece positioning fixture 2 to move between the loading / unloading position 4 and the cutting position 5. It can move from the loading / unloading position 4 to the cutting position 5 and then return from the cutting position 5 to the loading / unloading position 4.

[0036] A high-precision cutting unit is located above the cutting position 5, and the cutting unit includes a cutting head 3;

[0037] The first robot 6 is fixed on the fixed frame 1, and the cutting head 3 is installed on the hand-held end of the first robot 6;

[0038] The controller, drive unit, first robot 6, and cutting unit are electrically connected to the controller.

[0039] The mounting frame 1 is also equipped with a control cabinet 20, and the controller is located inside the control cabinet 20.

[0040] The embodiment adopts an automatic cutting system, which comprises a sliding table assembly, a high-precision cutting unit, a first robot 6 and a controller. The sliding table in the sliding table assembly can move the workpiece positioning tool 2, which is used to fix the workpiece to be cut, from the loading and unloading position 4 to the cutting position 5, and then from the cutting position 5 to the loading and unloading position 4. When the workpiece positioning tool 2 moves to the cutting position 5, the first robot 6 drives the high-precision cutting unit to cut the workpiece. Since the high-freedom robot and the high-precision cutting unit can cut the corners of the workpiece, the equipment has good flexibility. Further, the high-precision cutting unit adopts a laser, plasma and high-pressure water cutting unit, which has better cutting flexibility. In addition, the high-precision cutting unit is not a hydraulic system, and there is no environmental problem caused by the oil press and the complex operation process and high cost when replacing the trimming die.

[0041] Since the controller is adopted, high automation can be realized by using the controller. After the workpiece to be cut is installed on the workpiece positioning tool 2, the drive unit drives the sliding table to move the workpiece positioning tool 2 to the cutting position 5. At this time, the drive unit stops working, and the first robot 6 and the high-precision cutting unit work. The first robot 6 drives the cutting head 3 to cut. After the cutting is completed, the drive unit works to move the workpiece positioning tool 2 to the loading and unloading position 4.

[0042] The sliding table assembly comprises a first sliding table assembly and a second sliding table assembly, and correspondingly, the drive unit comprises a first drive unit and a second drive unit. The sliding table comprises a first sliding table 7 and a second sliding table 8 arranged on a straight line. The first robot 6 is also correspondingly arranged in two parts and distributed on both sides of the sliding table. The first sliding table 7 and the second sliding table 8 are on the same straight line. Since the first sliding table 7 and the second sliding table 8 are on the same straight line in the embodiment, they both comprise a sliding rail 9, a plurality of sliding blocks 10 and a sliding rail fixing frame 11. Since the first sliding table 7 and the second sliding table 8 are an integral sliding table, the sliding table comprises the sliding rail 9, the plurality of sliding blocks 10 and the sliding rail fixing frame 11. The sliding block 10 is slidably connected with the sliding rail 9. The workpiece positioning tool 2 is fixed on the sliding block 10. The sliding rail fixing frame 11 is fixed on the fixing frame 1. The sliding rail 9 is fixed on the sliding rail fixing frame 11. The first drive unit and the second drive unit have the same structure.

[0043] Taking the first driving unit as an example: the first driving unit comprises two groups of driving motors 19 and two groups of transmission assemblies, the two groups of driving motors 19 and the two groups of transmission assemblies are respectively arranged symmetrically on both sides of the axis of the slide rail 9, the transmission assembly comprises a first rotating shaft, a first pulley 12, a second pulley 13, a third pulley 14, a fourth pulley 15, a fifth pulley 16 and a transmission belt 17, the driving motor 19 is fixed on the slide rail fixing frame 11, the output end of the driving motor 19 is connected to one end of the first rotating shaft, the first pulley 12 is arranged at the other end of the first rotating shaft, the second pulley 13, the third pulley 14, the fourth pulley 15 and the first pulley 12 are rotationally arranged at the loading position of the slide rail fixing frame 11, the fifth pulley 16 is rotationally arranged at the cutting position 5 of the slide rail fixing frame 11, the transmission belt is connected to the first pulley 12, the second pulley 13, the third pulley 14, the fourth pulley 15 and the fifth pulley 16, the upper part of the transmission belt connecting the third pulley 14 and the fifth pulley 16 is parallel to the horizontal line, that is, the centers of the third pulley 14 and the fifth pulley 16 are on the same horizontal line, and the third pulley 14 and the fifth pulley 16 have the same radius, and the workpiece positioning tool 2 is connected to the horizontally arranged transmission belt. The driving motor 19 drives the first rotating shaft to rotate, thereby driving the first pulley 12 to rotate, and further driving the transmission belt to move, so as to drive the workpiece positioning tool 2 to move, thereby enabling the sliding block 10 to move on the slide rail 9, and moving the workpiece positioning tool 2 from the loading and unloading position 4 to the cutting position 5 or from the cutting position 5 to the loading and unloading position 4.

[0044] Preferably, a protective cover is further included, the cutting position 5, the cutting unit and the first robot 6 are arranged inside the protective cover, and the loading position and the unloading position are located outside the protective cover; since metal or sparks may splash when the cutting unit cuts the workpiece, the protective cover is arranged to wrap the cutting operation, thereby protecting the operating personnel.

[0045] A first electric protective door and a second electric protective door are arranged on the protective cover, so that the workpiece to be cut can enter the protective cover, the first electric protective door corresponds to the first sliding table 7, the second electric protective door corresponds to the second sliding table 8, and the first electric protective door and the second electric protective door are respectively electrically connected to the controller.

[0046] Preferably, a second robot is further included, and the second robot is used for installing the workpiece to be cut on the workpiece positioning tool 2.

[0047] Preferably, the first robot 6 and the second robot are six-axis industrial robots or truss robots.

[0048] Preferably, a gravity sensor is arranged on the workpiece positioning tool 2, and the gravity sensor is electrically connected to the controller.

[0049] Preferably, a waste basket 18 is further included, which is arranged below the cutting position 5, and in this embodiment, the waste basket 18 can also be arranged to move on a slide, during work, the waste basket 18 is moved to the cutting position 5, and during non-work or when the waste basket 18 is full, the waste basket 18 can be moved out of the cutting position 5, so as to facilitate replacement of the waste basket 18 or facilitate taking out of the waste in the waste basket 18.

[0050] The working flow of the die casting sawing and cutting system of the embodiment is as follows:

[0051] 1. At the loading position, the workpiece to be cut is placed on the workpiece positioning tool 2 on the first slide 7 by the second robot;

[0052] 2. The first automatic door is opened;

[0053] 3. The first slide 7 drives the workpiece positioning tool 2 to move to the cutting position 5 of the first slide 7, at this time, the first automatic door is closed;

[0054] 4. The first robot 6 holds the cutting head 3 to perform cutting operation, at this time, another workpiece to be cut is placed on the workpiece positioning tool 2 on the second slide 8 at the loading position of the second slide 8;

[0055] 5. After the workpiece is cut, the first automatic door is opened, and the first slide 7 drives the workpiece positioning tool 2 to move to the unloading position,

[0056] 6. The second automatic door is opened, and the second slide 8 drives the workpiece positioning tool 2 to move to the cutting position 5 of the second slide 8, and the second automatic door is closed;

[0057] 7. The first robot 6 holds the cutting head 3 to perform cutting operation, at the same time, the cut workpiece on the first slide 7 is taken off and a new workpiece to be cut is placed on the first slide 7;

[0058] 8. After the workpiece on the second slide 8 is cut, the second automatic door is opened, and the second slide 8 drives the workpiece positioning tool 2 to move to the unloading position, the cut workpiece is taken off and a new workpiece to be cut is placed on the second slide 8;

[0059] 9. Then, the workpieces on the first slide 7 and the second slide 8 are alternately operated according to the steps 2-8.

[0060] The waste cut by the cutting position 5 can directly fall into the waste basket 18 below the cutting position 5 for recycling.

[0061] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments. Even if various changes are made to the utility model, as long as the changes belong to the scope of the utility model claim and its equivalent technology, they still fall within the protection scope of the utility model.

Claims

1. A die casting sawing cutting system, characterized by, The utility model relates to a high-precision cutting device for cutting workpiece, comprising: a fixed frame; a workpiece positioning tool on which a workpiece to be cut is mounted; a sliding table assembly fixed on the fixed frame, the sliding table assembly comprising a sliding table and a driving unit for driving the sliding table to move, the sliding table having a loading and unloading position and a cutting position, and the sliding table being used to drive the workpiece positioning tool to move between the loading and unloading position and the cutting position on the sliding table; a high-precision cutting unit arranged above the cutting position, the cutting unit comprising a cutting head; a first robot fixed on the fixed frame, the cutting head being mounted on the hand-held end of the first robot; a controller, the driving unit, the first robot and the cutting unit being electrically connected to the controller.

2. The die casting sawing cutting system of claim 1, wherein, The high-precision cutting unit is a laser cutting unit, a plasma cutting unit or a high-pressure water cutting unit.

3. The die casting sawing cutting system of claim 1, wherein, The sliding table assembly comprises a first sliding table assembly and a second sliding table assembly, and correspondingly, the driving unit comprises a first driving unit and a second driving unit, and the sliding table comprises a first sliding table and a second sliding table arranged on a line.

4. The die casting sawing cutting system of claim 3, wherein, The first sliding table and the second sliding table each comprise a sliding rail, a plurality of sliding blocks and a sliding rail fixing frame, the sliding blocks being in sliding connection with the sliding rail, the workpiece positioning tool being fixed on the sliding blocks, the sliding rail fixing frame being fixed on the fixed frame, and the sliding rail being fixed on the sliding rail fixing frame.

5. The die casting sawing cutting system of claim 4, wherein, The first driving unit and the second driving unit comprise two groups of driving motors and two groups of transmission assemblies, the two groups of driving motors and the two groups of transmission assemblies being symmetrically arranged about the sliding rail axis; The transmission assembly comprises a first rotating shaft, a first pulley, a second pulley, a third pulley, a fourth pulley, a fifth pulley and a transmission belt, the driving motor being fixed on the sliding rail fixing frame, the output end of the driving motor being connected to one end of the first rotating shaft, the first pulley being arranged at the other end of the first rotating shaft, the second pulley, the third pulley, the fourth pulley and the first pulley being rotationally arranged at the loading and unloading position of the sliding rail fixing frame, the fifth pulley being rotationally arranged at the cutting position of the sliding rail fixing frame, and the transmission belt being connected to the first pulley, the second pulley, the third pulley, the fourth pulley and the fifth pulley; The upper part of the transmission belt connected to the third pulley and the fifth pulley is parallel to the horizontal line, and the workpiece positioning tool is connected to the transmission belt arranged horizontally.

6. The die casting sawing cutting system of claim 1, wherein, Further comprising a protective cover, the cutting position, the cutting unit and the first robot being arranged inside the protective cover; The protective cover is provided with a first electric protective door and a second electric protective door, the first electric protective door corresponding to the first sliding table, the second electric protective door corresponding to the second sliding table, and the first electric protective door and the second electric protective door being electrically connected to the controller respectively.

7. The die cast sawing cutting system of claim 1, wherein, Further comprising a second robot, the second robot being used to mount a workpiece to be cut on the workpiece positioning tool.

8. The die casting sawing cutting system of claim 7, wherein, The first robot and the second robot are six-axis industrial robots or truss robots.

9. The die cast sawing cutting system of claim 1, wherein, A gravity sensor is mounted on the workpiece positioning tool, and the gravity sensor is electrically connected to the controller.

10. The die casting sawing cutting system of claim 1, wherein, Further comprising a waste basket arranged below the cutting position.

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