Automatic machine for removing flash at root of insert

Abstract

The utility model provides an automatic machine for removing insert root flash, which comprises a base, a first mounting seat, a motor mounting seat, a cutting mechanism, a positioning mechanism, a limit switch, a proximity switch, a first indicator light, a second indicator light, a PLC (programmable logic controller) and a counter, and is characterized in that the first mounting seat and the motor mounting seat are fixed on the base; the cutting mechanism comprises a motor mounted on the motor mounting seat, a drill chuck mounted on the motor and a cutter mounted on the drill chuck, and the cutter is provided with an inner hole; the positioning mechanism is mounted on the first mounting seat, the workpiece is mounted on the positioning mechanism, and the insert is inserted into an inner hole of the cutter; the limiting switch is arranged on the first mounting base and electrically connected with the PLC, and the PLC is electrically connected with the motor and the first indicator lamp; the proximity switch is arranged on the first mounting base and electrically connected with the PLC, and the PLC is further electrically connected with the second indicator lamp and the counter.

Description

Technical Field

[0001] The utility model relates to the technical field of post-processing equipment for castings, and particularly relates to an automatic machine for removing flash at the root of inserts. Background Art

[0002] As Figure 1 shown in the figure, flash burrs are likely to appear at the joint A between the alloy casting 102 and the iron insert 101. To ensure the quality of the final product, the flash needs to be removed. The flash removal operation belongs to the post-processing work of castings. Currently, there are two methods: manual processing and machine processing. After the heat-treated iron insert undergoes the cutting processing operation of flash removal, no scratches will appear on the surface of the insert. Therefore, in order to improve production efficiency, the machine can be preferentially used to remove the flash at the root of the iron insert.

[0003] When the existing burr-removing machine equipment is in use, the workpiece to be processed for flash is first installed on a specific support. The operator judges whether the installation position is reasonable, and then presses the motor start switch. The motor drives the tool to rotate to remove the flash at the root of the insert. After the processing is completed, the workpiece product is taken down, and the worker records the number of processed workpieces by himself. As described above, the existing technology has certain deficiencies: one is that it depends on the experience of workers for operation, and the other is that manual counting is required. Summary of the Utility Model

[0004] In order to solve the above problems, the utility model aims to provide an automatic machine for removing flash at the root of inserts, which can be prompted by the machine whether the installation is in place, prompted when the processing is completed, and automatically counted.

[0005] To achieve the above object, the utility model adopts the following technical solutions:

[0006] The utility model provides an automatic machine for removing flash at the root of inserts, including: a base, a first mounting seat, a motor mounting seat, a cutting mechanism, a positioning mechanism, a limit switch, a proximity switch, a first indicator light, a second indicator light, a PLC controller, and a counter. Among them, the first mounting seat and the motor mounting seat are fixed on the base; the cutting mechanism includes a motor mounted on the motor mounting seat, a drill chuck mounted on the motor, and a tool mounted on the drill chuck. The tool has an inner hole; the positioning mechanism is mounted on the first mounting seat, the workpiece is mounted on the positioning mechanism, and the insert is inserted into the inner hole of the tool; the limit switch is arranged on the first mounting seat and is electrically connected to the PLC controller. The PLC controller is electrically connected to the motor and the first indicator light; the proximity switch is arranged on the first mounting seat and is electrically connected to the PLC controller. The PLC controller is also electrically connected to the second indicator light and the counter.

[0007] Furthermore, in the automatic machine for removing the flash at the root of the insert provided by the present utility model, it can also have the following features: Among them, the positioning mechanism includes a fixed plate, a plurality of guide post assemblies, a plurality of connecting bolts, and a movable plate; the fixed plate is vertically arranged and fixed on the first mounting seat, and the fixed plate is provided with a plurality of first guide post mounting holes and first bolt mounting holes; the plurality of guide post assemblies are correspondingly installed in the first guide post mounting holes; the plurality of connecting bolts are correspondingly installed in the first bolt mounting holes; the movable plate is located on the back of the casting of the workpiece and is connected to the guide post assemblies and the connecting bolts.

[0008] Furthermore, in the automatic machine for removing the flash at the root of the insert provided by the present utility model, it can also have the following features: Among them, the movable plate is provided with second bolt mounting holes; one end of the connecting bolt is fixed in the second bolt mounting hole, and the other end of the connecting bolt is movably installed in the first bolt mounting hole of the fixed plate.

[0009] Furthermore, in the automatic machine for removing the flash at the root of the insert provided by the present utility model, it can also have the following features: Among them, the movable plate is provided with second guide post mounting holes; each guide post assembly is composed of a guide sleeve and a guide post; the guide sleeve is fixed in the first guide post mounting hole of the fixed plate; one end of the guide post is fixed in the second guide post mounting hole, and the other end of the guide post is movably installed in the guide sleeve.

[0010] Furthermore, in the automatic machine for removing the flash at the root of the insert provided by the present utility model, it can also have the following features: Among them, there are three guide post assemblies and four connecting bolts.

[0011] Furthermore, in the automatic machine for removing the flash at the root of the insert provided by the present utility model, it can also have the following features: Among them, the position of the limit switch corresponds to the position of one of the connecting bolts; the position of the proximity switch corresponds to the position of one of the guide posts.

[0012] Furthermore, in the automatic machine for removing the flash at the root of the insert provided by the present utility model, it can also have the following features: Among them, the movable plate is provided with a gripper rod mounting hole, and a gripper rod is installed in the gripper rod mounting hole.

[0013] Furthermore, in the automatic machine for removing the flash at the root of the insert provided by the present utility model, it can also have the following features: Among them, a protective cover is also provided outside the positioning mechanism.

[0014] Furthermore, in the automatic machine for removing the flash at the root of the insert provided by the present utility model, it can also have the following features: Among them, the inner hole of the tool is 0.04 mm larger than the diameter of the insert.

[0015] Furthermore, in the automatic machine for removing the flash at the root of the insert provided by the present utility model, it can also have the following features: Among them, the PLC controller is a controller of model DVP-14SS2.

[0016] Functions and effects of the present utility model:

[0017] The automatic machine for removing flash at the root of the insert of the present utility model can achieve mechanical automation for removing flash at the root of the insert, and can also remind whether the workpiece is installed in place, and remind and count when the workpiece processing is completed. Compared with the prior art, the automatic machine for removing flash at the root of the insert of the present utility model can reduce the dependence on workers and improve the factory management level. Description of the drawings

[0018] Figure 1 is a schematic diagram of an alloy casting and an iron insert;

[0019] Figure 2 is a schematic diagram of the overall structure of the automatic machine for removing flash at the root of the insert in the embodiment of the present utility model;

[0020] Figure 3 is a schematic diagram of a partial structure in the automatic machine for removing flash at the root of the insert in the embodiment of the present utility model;

[0021] Figure 4 is the control circuit diagram of the automatic machine for removing flash at the root of the insert in the embodiment of the present utility model;

[0022] Figure 5 is a schematic diagram of the structure of the cutting tool in the embodiment of the present utility model;

[0023] Figure 6 is a schematic diagram of the structure of the fixing plate in the embodiment of the present utility model;

[0024] Figure 7 is a schematic diagram of the structure of the movable plate in the embodiment of the present utility model.

[0025] Figure 8 is a schematic diagram of the installation situation of the movable plate and the workpiece in the embodiment of the present utility model. Detailed implementation manners

[0026] In order to make the technical means, creative features, achieved purposes and effects realized by the present utility model easy to understand, the following embodiments will specifically elaborate on the technical solutions of the present utility model in conjunction with the drawings.

[0027] Refer to Figures 1 to 3 The embodiment of the present utility model provides an automatic machine for removing flash at the root of the insert. The automatic machine includes: a base 1, a first mounting seat 2, a cutting mechanism, a positioning mechanism, a position switch 4, a proximity switch 5, a first indicator light 6a, a second indicator light 6b, a first analog-to-digital converter 7, a second analog-to-digital converter 8, a PLC controller 9, and a counter 10.

[0028] Refer toFigure 2 , the first mounting base 2 and the motor mounting base (not marked in the figure) are fixed on the base 1. A power switch 11a is provided on the base 1.

[0029] Refer to Figure 3 , the cutting mechanism includes a motor 11, a drill chuck 12 and a tool 13. The motor 11 is mounted on the motor mounting base. The motor 11 is a servo motor, and a speed regulating switch 11b and an emergency stop switch 11c are provided on the motor circuit (see Figure 2 and Figure 4 ). The base 1 is also provided with a platform 1a, and a display screen for displaying the working conditions of the motor is provided on the platform 1a. Workers can observe motor working parameters such as motor speed and rotation direction from the display screen. This way of displaying motor working parameters on the display screen is a conventional means of the prior art. In addition, a counter 10 is also provided on the platform 1a.

[0030] Refer to Figure 3 , the drill chuck 12 is mounted on the motor 11. The tool 13 is mounted on the drill chuck 12. Refer to Figure 5 , the tool 13 has an inner hole, and the inner hole is 0.04 mm larger than the diameter of the insert. In actual production, tools with different inner hole sizes can be customized according to the insert size of the workpiece to be processed.

[0031] Refer to Figure 3 , the positioning mechanism is mounted on the first mounting base 2. The positioning mechanism includes a fixing plate 14, a plurality of guide post assemblies, a plurality of connecting bolts 17, and a movable plate 18. Preferably, the number of guide post assemblies is set to three, and the number of connecting bolts 17 is set to four.

[0032] Refer to Figure 3 , the fixing plate 14 is vertically arranged and fixed on the first mounting base 2. Refer to Figure 6 , the fixing plate 14 is provided with a central through hole 14c for the tool 13 to pass through. Four first guide post mounting holes 14a and three first bolt mounting holes 14b are also provided on the fixing plate 14.

[0033] Refer to Figure 7 , the movable plate 18 is provided with four second guide post mounting holes 18a, three second bolt mounting holes 18b and a gripper rod mounting hole 18d. Refer to Figure 2 and Figure 8 , a gripper rod 18c is installed in the gripper rod mounting hole.

[0034] Refer to Figure 3 , each guide post 16 assembly is composed of a guide sleeve 15 and a guide post 16. The guide sleeve 15 is installed and fixed in the first guide post mounting hole 14a of the fixing plate 14. One end of the guide post 16 is fixed in the second guide post mounting hole 18a of the movable plate 18, and the other end of the guide post 16 is movably installed in the guide sleeve 15 and can move back and forth in the guide sleeve 15.

[0035] Refer to Figure 3 , one end of the connecting bolt 17 is fixed in the second bolt mounting hole 14b of the movable plate 18, and the other end is inserted into the first bolt mounting hole 14b of the fixed plate 14 to form a movable mounting and can move back and forth. Further, a plurality of return springs (not shown in the figure) are also fixed on the back of the fixed plate 14. When the operator pushes the movable plate 18 towards the motor side by hand, the return springs are compressed. When the operator releases the hand, the return springs recover and push the movable plate to reset.

[0036] The positioning mechanism is used to position the workpiece to be processed. Refer to Figure 7 , the alloy casting 102 of the workpiece is installed in cooperation with the movable plate 18. Refer to Figure 1 , Figure 3 and Figure 5 , the insert 101 of the workpiece is aligned with the inner hole of the tool 13 and slowly pushed in so that the insert completely enters the inner hole of the tool 13.

[0037] Refer to Figure 3 and Figure 4 , the limit switch 4 is arranged on the first mounting seat 2. In this embodiment, the limit switch 4 is a commercially available product. The limit switch is an electronic component that uses the collision of a moving part to make its contact act to realize the on or off control circuit. The limit switch 4 is used to confirm whether the workpiece is installed in place. The method is that when one of the connecting bolts 17 touches the limit switch and the limit switch 4 emits an induction signal, it is regarded that the workpiece is installed in place. Which connecting bolt 17 is specifically used as the trigger can be selected according to the actual situation, and the position of the limit switch should also be arranged accordingly. The limit switch 4 is electrically connected to the PLC controller 9, and the PLC controller 9 is electrically connected to the first indicator light 6a. The PLC controller uses a controller of model DVP-14SS2. The induction signal of the limit switch 4 is input to the PLC controller 9. The PLC controller 9 receives the signal and conducts the relay 11d circuit of the motor 11, and at the same time conducts the circuit of the first indicator light 6a. The motor 11 starts and the first indicator light 6a lights up.

[0038] The proximity switch 5 is arranged on the first mounting seat 2. In this embodiment, the proximity switch 5 is a commercially available product. A proximity switch is a position switch that can operate without direct contact with moving parts. When an object reaches a predetermined induction surface position, the proximity switch can be actuated. The proximity switch 5 is used to confirm whether the workpiece has moved to a predetermined position. The method is that when a guide post 16 moves to this predetermined position, the proximity switch 5 emits an induction signal, indicating that the processing of the workpiece is completed. The proximity switch 5 is electrically connected to the PLC controller 9, and the PLC controller 9 is electrically connected to the second indicator light 6b and the counter 10. The induction signal of the proximity switch 5 is input into the PLC controller 9, and the PLC controller 9 receives the signal to turn on the circuit of the second indicator light 6b and the counter circuit.

[0039] In this embodiment, the first indicator light 6a and the second indicator light 6b are indicator lights of different colors. For example, the first indicator light 6a is a yellow light, and the second indicator light 6b is a green light. However, it is not limited to this, and the colors of the two indicator lights can also be other colors. Figure 1 In the figure, the reference numeral 6 is an indicator light.

[0040] Refer to Figure 2 , the automatic machine for removing the flash at the root of the insert of this embodiment is also provided with a protective cover 3 made of metal material, and a window made of transparent material is arranged on the protective cover. The protective cover is used to prevent iron filings from splashing during the processing.

[0041] The working conditions of the automatic machine for removing the flash at the root of the insert in the embodiment of the present utility model are as follows:

[0042] The automatic machine in the embodiment of the present utility model is used for removing the flash at the root of the insert of the alloy casting 102, and the insert is a heat-treated iron insert 101.

[0043] First, the operator turns on the main power supply of the automatic machine and installs the workpiece product to be processed: make the alloy casting surface of the workpiece product contact the movable plate 18, the guide post 15 and the guide sleeve 16 adopt a plug-in sliding fit, and the connecting bolt 17 and the fixed plate 14 adopt a plug-in sliding fit. Then, put the insert of the product to be processed into the inner hole of the cutter 13. At the same time, make the casting part of the product flat against the movable plate 18, and push the movable plate 18 by hand until the connecting bolt 17 touches the limit switch 4, that is, the product is installed in place, the motor 11 starts and the first indicator light 6a lights up. After the motor 11 starts, it drives the cutter 13 to rotate to process the product. Then, the operator continues to push the movable plate 18 for processing until the proximity switch 5 senses that the guide post 16 reaches the predetermined position, the second indicator light 6b lights up and the counter 10 counts once, that is, the processing of one workpiece is completed.

[0044] The above embodiments are only preferred embodiments of the present utility model and are not intended to limit the protection scope of the present utility model. For those skilled in the art, various modifications and variations can be made to the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. An automatic machine for removing the root flash of an insert, used for processing a casting workpiece provided with an insert, characterized in that: include: Base, first mounting seat, motor mounting seat, cutting mechanism, positioning mechanism, limit switch, proximity switch, first indicator light, second indicator light, PLC controller, counter, Wherein, the first mounting seat and the motor mounting seat are fixed on the base; The cutting mechanism comprises a motor mounted on the motor mounting seat, a drill chuck mounted on the motor, and a tool mounted on the drill chuck, wherein the tool has an inner hole; The positioning mechanism is mounted on the first mounting seat, the workpiece is mounted on the positioning mechanism, and the insert is inserted into the inner hole of the tool; The limit switch is arranged on the first mounting seat and is electrically connected to the PLC controller, and the PLC controller is electrically connected to the motor and the first indicator light; The proximity switch is arranged on the first mounting seat and is electrically connected to the PLC controller, and the PLC controller is electrically connected to the second indicator light and the counter.

2. The automatic machine for removing the root flash of an insert as claimed in claim 1, characterized in that: in, The positioning mechanism includes a fixed plate, a plurality of guide column assemblies, a plurality of connecting bolts, and a movable plate; The fixing plate is vertically arranged and fixed on the first mounting seat, and a plurality of first guide column mounting holes and first bolt mounting holes are arranged on the fixing plate; A plurality of guide post assemblies are correspondingly installed in the first guide post installation holes; A plurality of the connecting bolts are correspondingly installed in the first bolt installation holes; The movable plate is located at the back of the workpiece and is connected with the guide column assembly and the connecting bolts.

3. The automatic machine for removing the root flash of an insert as claimed in claim 2, characterized in that: in, The movable plate is provided with a second bolt mounting hole; One end of the connecting bolt is fixed in the second bolt mounting hole, and the other end of the connecting bolt is movably mounted in the first bolt mounting hole of the fixing plate.

4. The automatic machine for removing the root flash of an insert as claimed in claim 2, characterized in that: in, The movable plate is provided with a second guide post mounting hole; Each of the guide post assemblies is composed of a guide sleeve and a guide post; The guide sleeve is fixed in the first guide post mounting hole of the fixing plate; One end of the guide post is fixed in the second guide post mounting hole, and the other end of the guide post is movably mounted in the guide sleeve.

5. The automatic machine for removing the root flash of an insert according to any one of claims 2 to 4, characterized in that: in, The number of the guide column assemblies is three, and the number of the connecting bolts is four.

6. The automatic machine for removing the root flash of an insert as claimed in claim 4, characterized in that: in, The position of the limit switch corresponds to the position of one of the connecting bolts; The position of the proximity switch corresponds to the position of one of the guide pillars.

7. The automatic machine for removing the root flash of an insert as claimed in claim 2, characterized in that: in, The movable plate is provided with a gripping rod installation hole, and a gripping rod is installed in the gripping rod installation hole.

8. The automatic machine for removing the root flash of an insert as claimed in claim 1, characterized in that: in, A protective cover is also arranged on the outer side of the positioning mechanism.

9. The automatic machine for removing the root flash of an insert as claimed in claim 1, characterized in that: in, The inner hole of the tool is 0.04 mm larger than the diameter of the insert.

10. The automatic machine for removing the root flash of an insert as claimed in claim 1, characterized in that: in, The PLC controller is a controller of model DVP-14SS2.

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