CN210307111U

CN210307111U - Automatic burr removing machine for simple castings

Info

Publication number: CN210307111U
Application number: CN201921376947.7U
Authority: CN
Inventors: 高冠顺; 逯振国; 王志文; 李旭; 吕瑞波
Original assignee: Shandong University of Science and Technology
Current assignee: Shandong University of Science and Technology
Priority date: 2019-08-23
Filing date: 2019-08-23
Publication date: 2020-04-14
Anticipated expiration: 2029-08-23

Abstract

A simple automatic casting deburring machine belongs to the field of casting deburring and comprises a base, a clamp body, a base arm, a main arm, a profile arm and an automatic control system, wherein the clamp body is positioned at one end of the base, a lifting hydraulic cylinder is arranged at the other end of the base, a main shaft is arranged on the lifting hydraulic cylinder, the main shaft is connected with a connecting rod through a rotary hydraulic cylinder, one end of the profile arm is sleeved on the connecting rod, and one end of the base arm is rotatably connected to the main shaft; a free transverse moving rod is arranged between the base arm and the main arm, one end of the free transverse moving rod is inserted on the base arm, the other end of the free transverse moving rod is connected with the main arm through a rotating bracket, and the lower end and the upper end of the main arm are respectively connected with a grinding head and a magnetic head; the other end of type arm has connected gradually sideslip pole and flexible pneumatic cylinder, and the flexible pneumatic cylinder other end is fixed with the model through sample frame body, and the model is the same with the foundry goods shape of unhairing limit in advance, and the material of model is magnetic material. The utility model discloses simple structure, easy operation, stability is high, gets rid of whole process and need not artificial participation, has improved work efficiency.

Description

Automatic burr removing machine for simple castings

Technical Field

The utility model relates to an automatic unhairing limit machine of simple foundry goods belongs to foundry goods unhairing limit technical field.

Background

The casting is a metal molding object obtained by various casting methods, namely, the smelted liquid metal is injected into a casting mold prepared in advance by a casting method, and after the liquid metal is cooled and subjected to subsequent processing means such as polishing and the like, the object with certain shape, size and performance is obtained. The casting is mainly used as a blank of machine parts, also can be used as a precision casting, and can also be directly used as parts of machines. The casting occupies a large proportion in mechanical products, such as agricultural tractors, the weight of the casting accounts for 50-70% of the weight of the whole machine, and the weight of a machine tool internal combustion engine and the like is as high as 70-90%.

With the development of society and the progress of science and technology, the consumption of castings is gradually increased, the structures of the castings are also greatly changed, and the castings are various from simple blanks to complex and precise castings. Most of casting deburring machines in the market at present are complex castings deburring, and multiple functions of polishing, chamfering, cleaning and the like of the castings are added, so that a single deburring machine is high in selling price and is not suitable for deburring simple castings.

When carrying out mass production to simple structure's foundry goods, the deckle edge of foundry goods is more, and it is not only inefficiency when adopting the manual work to go deckle edge, has the potential safety hazard moreover, can fish tail workman's hand, when getting rid of deckle edge, deckle edge flying chip can get into eyes. Therefore, there is a need to design a machine for simple casting deburring.

Disclosure of Invention

The utility model provides a not enough to prior art, the utility model provides an automatic unhairing limit machine of simple foundry goods, simple structure, easy operation, stability is high, gets rid of whole process and need not artificial participation, has improved work efficiency.

The utility model adopts the following technical scheme:

an automatic deburring machine for simple castings comprises a base, a clamp body for clamping castings, a base arm and a main arm for supporting a grinding head, a profile arm for supporting a sample plate and an automatic control system, wherein the clamp body is arranged at one end of the base, a lifting hydraulic cylinder is arranged at the other end of the base, a main shaft is arranged on the lifting hydraulic cylinder, a connecting rod is connected to the main shaft through a rotary hydraulic cylinder, the rotary hydraulic cylinder is used for finely adjusting the rotation of the connecting rod relative to the main shaft, so that the sample plate and a magnetic head are more accurately positioned, one end of the profile arm is sleeved on the connecting rod and is provided with a locking device, and one end of the base arm is fixed at a certain position of the main;

a free transverse moving rod is arranged between the base arm and the main arm, one end of the free transverse moving rod is inserted on the base arm, the other end of the free transverse moving rod is connected with the main arm through a rotating support, the main arm can transversely move relative to the base arm and rotate in a horizontal plane, the main arm is of a vertically symmetrical U-shaped structure, the lower end of the main arm is connected with a grinding head for removing burrs on the edge of a casting, and the upper end of the main arm is connected with a magnetic head;

the other end of type arm has connected gradually sideslip pole and flexible pneumatic cylinder, and the horizontal distance between adjustable model of sideslip pole and the magnetic head makes magnetic head and model can fully contact and can satisfy the foundry goods unhairing limit of different diameters through the rotation of main arm and the horizontal activity of free sideslip pole, and flexible pneumatic cylinder is used for the fine setting to make the model location more accurate, flexible pneumatic cylinder other end fixedly connected with sample frame body is fixed with the model on the sample frame body, the model is the same with the foundry goods shape of unhairing limit in advance, the material of model is magnetic material, and the foundry goods material does not have the requirement, and during operation, the centre of gyration collineatly of model and the foundry goods of unhairing limit in advance, bistrique and magnetic head are respectively through high-speed motor and buncher drive to follow high-speed motor and buncher respectively and.

The utility model discloses in, unhairing limit's foundry goods is fixed on the base by the anchor clamps body in advance, makes the bistrique can keep away from and contact foundry goods deckle edge through hydraulic cylinder's lift, the utility model discloses a model is the same with unhairing limit's foundry goods shape in advance, and the during operation, the model and the centre of gyration collineation of unhairing limit's foundry goods in advance, wherein, the model is for getting rid of unedged structure, utilizes the profiling mechanism principle to recover getting rid of unedged model, through recovering of route, gets rid of deckle edge to the foundry goods that the circumference contains the deckle edge, and then realizes unhairing automation to improve work efficiency and foundry goods quality, simultaneously, improve workman operational environment.

Preferably, the automatic control system comprises a hydraulic pump, a pilot-operated overflow valve, a first two-position two-way electromagnetic directional valve, a second two-position two-way electromagnetic directional valve, a two-position three-way electromagnetic directional valve, a pressure relay, a three-position four-way manual directional valve and a lifting hydraulic cylinder;

a top travel switch and a bottom travel switch are arranged on one side of a lifting hydraulic cylinder on the base, a support rod is fixedly connected to a telescopic rod of the lifting hydraulic cylinder, contacts matched with the top travel switch and the bottom travel switch are arranged on the support rod, a clamp travel switch is arranged on the clamp body, and a transverse hydraulic cylinder is arranged on one side of the clamp body;

the hydraulic pump is respectively connected with a three-position four-way manual reversing valve and a pilot operated overflow valve, the pilot operated overflow valve is connected with a first two-position two-way electromagnetic reversing valve, the first two-position two-way electromagnetic reversing valve is connected with a two-position three-way electromagnetic reversing valve through a one-way valve, the two-position three-way electromagnetic reversing valve is respectively connected with the three-position four-way manual reversing valve, a lifting hydraulic cylinder, a traversing hydraulic cylinder and a second two-position two-way electromagnetic reversing valve, and the traversing hydraulic cylinder and the lifting hydraulic cylinder are both connected with the three-position four-way manual reversing valve through pressure;

the transverse hydraulic cylinder is matched with a clamp travel switch, and the lifting hydraulic cylinder is matched with a top travel switch and a bottom travel switch; the fixture travel switch is connected with the electromagnet 3DT of the second two-position two-way electromagnetic reversing valve, the bottom travel switch is connected with the electromagnet 1DT, the high-speed motor and the speed regulating motor of the first two-position two-way electromagnetic reversing valve and controls the on-off of the electromagnet 1DT, the high-speed motor and the speed regulating motor, and the pressure relay and the top travel switch are connected in series and are connected with the two-position three-way electromagnetic reversing valve and control the on-off of the electromagnet 2 DT.

Preferably, the type arm mainly plays a supporting role for supporting model plate and model plate frame body, be provided with in the type arm with sideslip pole matched with first regulation passageway, sideslip pole one end is inserted in first regulation passageway and can be followed first regulation passageway lateral shifting, and then adjust the horizontal distance between model plate and the magnetic head, satisfy not unidimensional foundry goods, be provided with horizontal distance locking screw above adjusting first regulation passageway on the type arm for locking sideslip pole after adjusting horizontal distance and fixing, the model plate is fixed on the model plate body and the distance between model plate frame and the magnetic head can be adjusted through the cooperation of horizontal distance locking screw and sideslip pole, makes magnetic head and model plate can fully contact and can satisfy the foundry goods unhairing limit of different diameters.

Preferably, to prevent rotation of the traverse bar, the first regulating passage is non-circular, preferably square.

Preferably, the rotary hydraulic cylinder is in threaded connection with the main shaft, an inner thread groove is formed in the outer shell of the rotary hydraulic cylinder, and the rotary hydraulic cylinder can control the rotation of the connecting rod so as to control the rotation of the sample plate rotation center around the main shaft. Through the effect of rotary hydraulic cylinder, the type arm can rotate but not free rotation for the main shaft, needs artifical the participation, drives the connecting rod through adjusting rotary hydraulic cylinder and rotates around the main shaft, and then drives the type arm and rotates around the main shaft and accomplish accurate positioning.

Preferably, the clamp body comprises a clamp body base, an end cover and an inner expansion body, the clamp body base and the end cover are fixed on the base, the inner expansion body is fixed on the end cover, a telescopic rod of the transverse hydraulic cylinder is connected with one end of a wedge push rod, the other end of the wedge push rod is in contact connection with a wedge, the wedge is located between the clamp body base and the end cover, a limiting hole is formed in the end cover in the vertical direction, a push rod is arranged in the limiting hole, the bottom of the push rod is in contact connection with the wedge, an inner expansion push rod is connected above the push rod, a plurality of inner expansion blocks are arranged around the inner expansion push rod, springs are connected between the inner expansion blocks and the inner expansion body, the inner expansion body is used for preliminarily positioning a casting, the casting is placed on the inner expansion body, and the inner; the lift angle of the wedge is smaller than the sum of the friction angles between the wedge and the push rod, the wedge and the clamp body, and the wedge can not return after the pressure of the hydraulic cylinder is removed due to the self-locking characteristic.

The rough edges of the pre-rough edge casting are in the same plane, the boundary line with the rough edges is continuous and free of blocking, the middle of the rough edge casting is provided with a circular positioning hole, the inner expansion block is located in the circular positioning hole, and the casting shape comprises but is not limited to a circular casting.

Preferably, the preferred 3-6cm of diameter of circular locating hole, the utility model discloses only be applicable to foundry goods simple structure, need not the simple foundry goods of operations such as other polishing chamfers, degree of automation is high, has improved work efficiency greatly, need not to use the high-grade unhairing limit machine that the cost is high, has practiced thrift the cost.

Preferably, a second adjusting channel is arranged in the base arm, one end of the free transverse moving rod is inserted into the second adjusting channel, the other end of the free transverse moving rod is fixedly connected with the rotating support, the rotating support comprises a vertical connecting plate and connecting lugs located at the upper end and the lower end of the vertical connecting plate, a fixing hole used for fixing the free transverse moving rod is formed in the middle of the vertical connecting plate, hinge holes are formed in the two connecting lugs, and the main arm is hinged to the connecting lugs through hinge shafts. Through the rotating support, the main arm can rotate in the horizontal plane relative to the free transverse moving rod, and the free transverse moving rod can move horizontally, so that the size change of a casting within a certain range can be met, and the profiling motion can be conveniently completed according to the shape of a sample plate.

The second adjusting channel is non-circular, preferably square, and ensures that the free transverse moving rod can only move left and right but can not rotate.

Preferably, the upper end of the main arm is fixedly connected with a speed regulating motor support, the speed regulating motor is fixed on the speed regulating motor support, and the magnetic head is fixed on a rotating shaft of the speed regulating motor;

the lower end of the main arm is fixedly connected with a high-speed motor support, the high-speed motor is fixed on the high-speed motor support, and the grinding head is fixed on a rotating shaft of the high-speed motor.

Further preferably, a travel switch frame is arranged on one side of the clamp body, and the travel switch of the clamp is positioned on the travel switch frame;

preferably, a thrust bearing is arranged between the main shaft and the base arm, a stepped shaft is arranged on the main shaft, the thrust bearing is installed on the stepped shaft and is in interference fit with the main shaft, the base arm is connected with a bearing cover of the thrust bearing, the thrust bearing can be fixed on the main shaft due to the existence of the stepped shaft, the base arm can be fixed on the main shaft and can rotate relatively, and the thrust bearing is used for fixing the base arm and enabling the base arm to rotate relative to the main shaft.

The utility model discloses in, the base arm can rotate for the main shaft, and the main arm can rotate for the base arm, is favorable to profile modeling in-process main arm to rotate more in a flexible way like this, can satisfy bigger size foundry goods and accomplish unhairing limit work.

Be fixed with the electric appliance cabinet on the main shaft, be provided with electrical switch and speed governing switch on the electric appliance cabinet, electrical switch is used for controlling the break-make of whole unhairing limit circuit part for emergency's scram, the speed governing switch is connected with the buncher for the direction of rotation and the speed of control magnetic head make the bistrique can keep away from and contact foundry goods deckle edge through hydraulic cylinder's lift, can adjust work efficiency through adjusting the speed governing switch, accomplish whole process, realize automaticly.

Locking device is vertical distance locking handle, vertical distance locking handle include the nut, with nut matched with bolt and with bolted connection's handle, the one end of type arm is provided with vertical cylinder through-hole, the connecting rod is located to the cylinder through-hole cover, cylinder through-hole side sets up the regulation hole, the nut is fixed in regulation hole department, the bolt passes the regulation hole top on the connecting rod with the one end of nut cooperation and bolt, through the precession back-out of rotatory handle control bolt, and then reaches the purpose of locking and relaxing the connecting rod.

The working method of the simple casting automatic deburring machine comprises the following steps:

a piston rod of the transverse hydraulic cylinder extends out, a casting with burrs removed in advance is clamped by using a clamp body, the transverse rod is adjusted, when the rotation center of the sample plate and the rotation center of the casting are collinear, namely, are aligned with each other, the transverse rod is locked by a horizontal distance locking screw, a vertical distance locking handle is loosened, the vertical distance of the sample plate is adjusted, when the edge of the sample plate is contacted with a magnetic head, the vertical distance locking handle is locked, and at the moment, the relative position of the magnetic head and the sample plate is fixed;

the lifting hydraulic cylinder descends to enable the base arm and the model arm to descend simultaneously, when a contact of a supporting rod on the lifting hydraulic cylinder descends to contact with the bottom travel switch, the grinding head just contacts with the edge of the casting, the positions of the bottom travel switch and the contact can be determined through continuous adjustment in the early stage according to the height of the casting, when the contact contacts with the bottom travel switch, the grinding head just contacts with the edge of the casting (the magnetic head is always in contact with the edge of the model plate in the descending process of the lifting hydraulic cylinder), the high-speed motor and the speed regulating motor start to work for profiling machining, as the magnetic head and the model plate are both magnetic and mutually attracted, friction is generated through attraction between the magnetic head and the model plate, pure rolling friction is further formed between the magnetic head and the model plate, the surfaces of the magnetic head and the model plate have certain roughness, and as the magnetic head and the model, the magnetic head advances along the edge of the periphery of the sample plate to carry out profiling, the main arm and the base arm can rotate around respective rotating shafts in the plane to ensure that the magnetic head and the sample plate are always contacted together in the profiling process, because the rotation centers of the grinding head and the magnetic head are collinear and are fixed on the main arm, the path of the grinding head is completely the same as that of the magnetic head, the grinding head restores the path of the magnetic head, the grinding head grinds and removes burrs through rotation, and further burrs of a casting are removed, the grinding head is of a common cylindrical grinding wheel structure, burrs at the edge of the casting are removed through high-speed rotating friction, the plane of the casting is not polished and only the burrs at the edge are removed, and later-stage manual processing is needed for a right-angled;

get rid of deckle edge after, hydraulic cylinder's telescopic link rises, and contact on branch rises, and speed governing motor and high-speed motor all stall, when contact top travel switch, sideslip pneumatic cylinder piston rod contracts back, and the foundry goods that deckle edge in advance that more renews repeats above-mentioned process, carries out the profile modeling of a new round and deckle edge.

Preferably, the specific process of clamping the pre-deburred casting by the clamp body is as follows:

a piston rod of the transverse hydraulic cylinder extends out and pushes the wedge iron to move right through a right wedge iron pushing rod, the push rod is pushed to move upwards due to the fact that the upper surface of the wedge iron is an inclined surface in the right direction, the push rod pushes an inner expansion block ejector rod to move upwards, so that the inner expansion block is diffused towards two sides, when the outer diameter continues to be diffused, the outer wall of the inner expansion block is in contact with the inner wall of a casting, and the casting is clamped;

when the burrs of the casting are removed, the piston rod of the transverse hydraulic cylinder retracts, the wedge iron moves leftwards, the casting is loosened, and the casting which is replaced by a new casting with the burrs removed in advance is taken down.

Preferably, in the working process, a hydraulic control valve and a travel switch are needed to control the extension and contraction of the lifting hydraulic cylinder and the transverse hydraulic cylinder and the switch of the high-speed motor and the speed regulating motor, and when the mechanism is static at the highest point, the lifting hydraulic cylinder needs to maintain pressure, and the hydraulic pump needs to unload; the hydraulic pump also needs to be unloaded when the hydraulic pump is at the lowest point, which requires that the hydraulic system is provided with an unloading and pressure maintaining loop;

the hydraulic principle specifically is as follows: the clamp travel switch controls an electromagnet 3DT, the bottom travel switch controls the electromagnet 1DT and a speed regulating motor and a high-speed motor to be switched on and off, and a pressure relay is connected with a top travel switch in series to control the 2DT to be switched on and off, wherein the normal positions of the clamp travel switch, the top travel switch and the bottom travel switch are normally open, the normal position of the pressure relay is normally closed, when the three-position four-way manual reversing valve works at the right position, a piston rod of a lifting hydraulic cylinder moves downwards to touch the bottom travel switch, so that the electromagnet 1DT is electrified by a hydraulic pump to be unloaded through a pilot type overflow valve, and the speed regulating motor and the high-speed motor are switched on to; after the processing is finished, the three-position four-way manual reversing valve is pulled to enable the left position of the three-position four-way manual reversing valve to start working, the piston rod of the lifting hydraulic cylinder moves upwards, the bottom travel switch is switched off, and the electromagnet 1DT, the speed regulating motor and the high-speed motor are switched off; the check valve has the function that pressure oil seals a pilot cavity of the pilot overflow valve at the moment after the direction is changed, so that the pilot overflow valve stops overflowing;

the piston rod of the lifting hydraulic cylinder moves upwards to touch a top travel switch to electrify the electromagnet 2DT, the left position of the two-position three-way electromagnetic directional valve works, the bottom oil of the lifting hydraulic cylinder is closed, the holding mechanism is static at the upper part, the hydraulic oil flows into the right cavity of the transverse hydraulic cylinder to cause the piston rod to retract, the hydraulic oil flows into the transverse hydraulic cylinder to cause the piston rod to retract, the workpiece is loosened to replace the next pre-deburring casting, the piston rod of the transverse hydraulic cylinder retracts to touch a clamp travel switch to electrify the electromagnet 3DT, the hydraulic pump is unloaded, after the workpiece is replaced, the three-position four-way manual directional valve is pulled to cause the right position to work, the hydraulic oil in the hydraulic pump enters the upper cavity, the bottom hydraulic oil of the lifting hydraulic cylinder is closed at the moment, the hydraulic oil flows into the, the pressure of an oil inlet path is increased, a pressure relay sends an electric signal to cut off the power of the electromagnet 2DT, the right position of the two-position three-way electromagnetic directional valve is connected into the loop to work, and a piston rod of the lifting hydraulic cylinder moves downwards;

and the top travel switch is disconnected, even if the switch controlled by the pressure relay is closed due to the pressure reduction of the oil inlet cavity, the electromagnet 2DT cannot be electrified, and meanwhile, the wedge iron in the clamp body has the self-locking characteristic, cannot return after the pressure of the transverse moving hydraulic cylinder is removed, cannot loosen a workpiece due to the pressure reduction of the oil inlet cavity, and keeps that the casting is clamped in the whole machining process.

In the utility model, if the member is a symmetrical figure, the center of rotation indicates the center of its shape or center of gravity.

The utility model discloses in, the part of not giving full details all can adopt prior art to go on.

The utility model has the advantages that:

1) the utility model discloses a profile modeling principle, can be accurate carry out the reduction to the model foundry goods, the accuracy is high.

2) The anchor clamps body can move relative to the base, satisfies the foundry goods unhairing limit of different sizes and structure.

3) The utility model discloses a magnetic head can adjust the magnetic head rotational speed and then adjust the speed of grinding by speed governing control, strong adaptability.

4) The utility model discloses simple structure, easy operation, stability is high, and light in weight is applicable to well, mass production, and is with low costs, and the whole process of getting rid of the clamp of part and deckle edge need not artificial participation, has improved work efficiency.

To sum up, this utilize the profile modeling principle to carry out the route to the model that has got rid of deckle edge and restore, through the recovery in route, can get rid of deckle edge in batches to the foundry goods that the edge contains the deckle edge, and then realize the automation of deckle edge to improve work efficiency and foundry goods quality, simultaneously, improve workman operational environment.

Drawings

FIG. 1 is a side view of a simple automatic casting deburring machine of the present invention;

FIG. 2 is a schematic view of the three-dimensional structure of the automatic deburring machine for simple castings according to the present invention;

FIG. 3 is a schematic view of the hydraulic working principle of the automatic deburring machine for simple castings according to the present invention;

fig. 4 is a schematic structural view of the clamp body of the present invention;

fig. 5 is a cross-sectional view of the clamp body of the present invention;

fig. 6 is a top view of the clamp body of the present invention;

fig. 7(a) is a schematic structural view of the arm of the present invention;

FIG. 7(b) is a sectional view taken along line A-A of FIG. 7 (a);

fig. 8 is a schematic structural view of the rotating bracket of the present invention;

wherein, 1-a hydraulic pump, 2-a pilot operated overflow valve, 3-a first two-position two-way electromagnetic directional valve, 4-a one-way valve, 5-a two-position three-way electromagnetic directional valve, 6-a second two-position two-way electromagnetic directional valve, 7-a transverse hydraulic cylinder, 8-a clamp travel switch, 9-a top travel switch, 10-a bottom travel switch, 11-a lifting hydraulic cylinder, 12-a pressure relay, 13-a three-position four-way manual directional valve, 14-a base, 15-a support rod, 16-a main shaft, 17-a speed regulating switch, 18-an electric appliance cabinet, 19-a connecting rod, 20-a type arm, 21-a horizontal distance locking screw, 22-a transverse moving rod, 23-a sample plate frame body, 24-a sample plate, 25-a magnetic head and 26-a speed regulating motor, 27-speed regulating motor, 28-high speed motor, 29-grinding head, 30-fixture body, 31-main arm, 32-base arm, 33-hinged shaft, 34-fixture body fixing bolt, 35-vertical distance locking handle, 36-travel switch contact rod, 37-internal expanding block, 38-internal expanding ejector rod, 39-screw, 40-fixture body base, 41-travel switch frame, 42-end cover, 44-internal expanding body, 45-wedge iron, 46-push rod, 47-casting, 48-spring, 49-wedge iron push rod, 50-travel switch fixing bolt, 52-telescopic hydraulic cylinder, 53-rotary hydraulic cylinder, 54-electric switch, 55-free transverse moving rod, 56-rotary support and 57-first regulating channel, 58-vertical connecting plate, 59-connecting lug, 60-fixing hole and 61-hinge hole.

The specific implementation mode is as follows:

in order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be made with reference to the accompanying drawings and specific embodiments, but not limited thereto, and the present invention is not described in detail, and is in accordance with the conventional techniques in the art.

Example 1:

an automatic deburring machine for simple castings, as shown in figures 1-8, comprises a base 14, a clamp body 30 for clamping a casting 47, a base arm 32 and a main arm 31 for supporting a grinding head 29, a profile arm 20 for supporting a template 24 and an automatic control system, wherein the clamp body 30 is arranged at one end of the base 14, a lifting hydraulic cylinder 11 is arranged at the other end of the base 14, a main shaft 16 is arranged on the lifting hydraulic cylinder 11, a connecting rod 19 is connected to the main shaft 16 through a rotary hydraulic cylinder 53, the rotary hydraulic cylinder 53 is used for finely adjusting the rotation of the connecting rod 19 relative to the main shaft 16 so as to realize more accurate positioning of the template 24 and a magnetic head 25, one end of the profile arm 20 is sleeved on the connecting, and is provided with a locking device, one end of the base arm 32 is fixed at a certain position of the main shaft and is rotatably connected to the main shaft 16, that is, the base arm 32 is fixed in the vertical direction of the main shaft 16 and is rotatable with respect to the main shaft 16;

a free transverse moving rod 55 is arranged between the base arm 32 and the main arm 31, one end of the free transverse moving rod 55 is inserted on the base arm 32, the other end of the free transverse moving rod 55 is connected with the main arm 31 through a rotating bracket 56, the main arm 31 can transversely move relative to the base arm 32 and rotate in a horizontal plane, the main arm 31 is of a vertically symmetrical U-shaped structure, the lower end of the main arm 31 is connected with a grinding head 29 for removing burrs on the edge of a casting, and the upper end of the main arm 31 and the grinding head 29 are symmetrically connected with magnetic;

the other end of the model arm 20 is sequentially connected with a transverse rod 22 and a telescopic hydraulic cylinder 52, the transverse rod 22 can adjust the horizontal distance between the model plate 24 and the magnetic head 25, so that the magnetic head 25 and the model plate 24 can be fully contacted, and burrs of castings with different diameters can be removed through the rotation of the main arm 31 and the horizontal movement of the free transverse rod 55, the telescopic hydraulic cylinder 52 is used for fine adjustment to enable the model plate 24 to be positioned more accurately, the other end of the telescopic hydraulic cylinder 52 is fixedly connected with a sample rack body 23, the model plate 24 is fixed on the sample rack body 23, the model plate 24 is the same as the casting 47 with the burrs to be removed, the material of the model plate 24 is a magnetic material, the material, the template 24 is collinear with the center of rotation of the pre-deburred casting 47, and the grinding head 29 and the magnetic head 25 are driven by and rotate with the high speed motor 28 and the adjustable speed motor 27, respectively.

The utility model discloses in, the foundry goods 47 of unhairing limit in advance is fixed on base 14 by anchor clamps body 30, makes bistrique 29 can keep away from and contact foundry goods deckle edge through hydraulic cylinder 15's lift, the utility model discloses a model 24 is the same with the foundry goods shape of unhairing limit in advance, and the during operation, and model 24 and the centre of turning collineation of the foundry goods 47 of unhairing limit in advance, wherein, model 24 is for getting rid of deckle edge's structure, utilizes the profiling mechanism principle to recover the deckle edge's of getting rid of deckle edge's model, through recovering of route, gets rid of deckle edge to the foundry goods that the circumference contains the deckle edge, and then realizes the automation of unhairing limit to improve work efficiency and foundry goods quality.

Example 2:

the structure of the automatic deburring machine for the simple castings is as shown in embodiment 1, and is different in that an automatic control system comprises a hydraulic pump 1, a pilot overflow valve 2, a first two-position two-way electromagnetic directional valve 3, a second two-position two-way electromagnetic directional valve 6, a two-position three-way electromagnetic directional valve 5, a pressure relay 12, a three-position four-way manual directional valve 13 and a lifting hydraulic cylinder 11;

a top travel switch 9 and a bottom travel switch 10 are arranged on one side of a lifting hydraulic cylinder 11 on a base 14, a support rod 15 is fixedly connected to a telescopic rod of the lifting hydraulic cylinder 15, a contact matched with the top travel switch 9 and the bottom travel switch 10 is arranged on the support rod 15, a clamp travel switch 8 is arranged on a clamp body 30, a transverse hydraulic cylinder 7 is arranged on one side of the clamp body 30, a travel switch contact rod 36 matched with the clamp travel switch 8 is arranged on a telescopic rod of the transverse hydraulic cylinder, when the travel switch contact rod 36 moves leftwards and touches the clamp travel switch 8, the transverse hydraulic cylinder stops moving leftwards, and the clamp travel switch 8 plays a role in protection and is equivalent to a position switch;

as shown in fig. 3, a hydraulic pump 1 is respectively connected with a three-position four-way manual directional valve 13 and a pilot overflow valve 2, the pilot overflow valve 2 is connected with a first two-position two-way electromagnetic directional valve 3, the first two-position two-way electromagnetic directional valve 3 is connected with a two-position three-way electromagnetic directional valve 5 through a one-way valve 4, the two-position three-way electromagnetic directional valve 5 is respectively connected with the three-position four-way manual directional valve 13, a lifting hydraulic cylinder 11, a traversing hydraulic cylinder 7 and a second two-position two-way electromagnetic directional valve 6, and the traversing hydraulic cylinder 7 and the lifting hydraulic cylinder 11 are both connected with the three-position four-way manual directional;

the transverse hydraulic cylinder 7 is matched with the clamp travel switch 8, and the lifting hydraulic cylinder 11 is matched with the top travel switch 9 and the bottom travel switch 10; the clamp travel switch 8 is connected with the electromagnet 3DT of the second two-position two-way electromagnetic directional valve 6, the bottom travel switch 10 is connected with the electromagnet 1DT, the high-speed motor 28 and the speed regulating motor 27 of the first two-position two-way electromagnetic directional valve 3 and controls the on-off of the electromagnet 1DT, the high-speed motor 28 and the speed regulating motor 27, and the pressure relay 12 and the top travel switch 9 are connected in series and are connected with the two-position three-way electromagnetic directional valve 5 and control the on-off of the electromagnet 2 DT.

Example 3:

an automatic burr removing machine for simple castings is disclosed in embodiment 2, except that a mold arm 20 is mainly used for supporting a mold plate 24 and a mold plate frame body 23, etc., a first adjusting passage 57 is provided in the mold arm 20 to be engaged with a traverse bar 22, as shown in fig. 7(a) and 7(b), one end of the traverse bar 22 is inserted into the first adjusting passage 57 and can move laterally along the first adjusting passage 57, so as to adjust the horizontal distance between the mold plate 24 and a magnetic head 25, thereby satisfying castings 47 with different sizes, a horizontal distance locking screw 21 is provided on the mold arm 20 above the first adjusting passage 57 for locking the traverse bar 22 after adjusting the horizontal distance for fixing, the mold plate 24 is fixed on the mold plate frame body 23, and the distance between the mold plate 24 and the magnetic head 25 can be adjusted by the engagement of the horizontal distance locking screw 21 and the traverse bar, the magnetic head 25 and the sample plate 24 can be fully contacted, and burrs of castings 47 with different diameters can be removed;

to prevent rotation of the traverse bar, the first regulating passage 57 is square.

Example 4:

an automatic deburring machine for simple castings is structurally shown in embodiment 3, and is different in that a rotary hydraulic cylinder 53 is in threaded connection with a main shaft 16, and an outer shell of the rotary hydraulic cylinder 53 is provided with an internal thread groove which can control the rotation of a connecting rod 19 so as to control the rotation of a template rotation center around the main shaft. Through the effect of rotary hydraulic cylinder 53, type arm 20 can rotate but not free rotation for main shaft 16, needs artifical the participation, drives connecting rod 19 through adjusting rotary hydraulic cylinder 53 and rotates around main shaft 16, and then drives type arm 20 and rotates around main shaft 16 and accomplish accurate positioning.

Example 5:

an automatic deburring machine for simple castings is structurally shown in embodiment 4, and is different from the structure shown in fig. 4-6, a fixture body 30 comprises a fixture body base 40, an end cover 42 and an inner expansion body 44, the fixture body base 40 and the end cover 42 are both fixed on a base 14, the inner expansion body 44 is fixed on the end cover 42, the fixture body base 40 is fixed on the base 14 through a fixture body fixing bolt 34, a traversing hydraulic cylinder 7 is fixed on the end cover 42 through a bolt 39, a telescopic rod of the traversing hydraulic cylinder 7 is connected with one end of a wedge push rod 49, the other end of the wedge push rod 49 is connected with a wedge 45 in a contact manner, the wedge 45 is positioned between the fixture body base 40 and the end cover 42, a limit hole is vertically arranged on the end cover 42, a push rod 46 is arranged in the limit hole, the push rod 46 is vertically arranged, the bottom of the push rod 46 is connected with the wedge 45 in a contact manner, a plurality of inner expansion blocks 37 are arranged around the inner expansion ejector rod 38, a spring 48 is connected between each inner expansion block 37 and each inner expansion body 44, each inner expansion body 44 is used for preliminarily positioning a casting, the casting is placed on each inner expansion body 44, and the castings are clamped by the inner expansion blocks 37 through diffusion; the lift angle of the wedge 45 is smaller than the sum of the friction angles between the wedge 45 and the push rod 46, between the wedge 45 and the clamp body 30, and is a self-locking condition, the wedge of the utility model has the self-locking characteristic, and can not return after the pressure of the hydraulic cylinder is removed.

The rough edges of the pre-rough edge casting 47 are in the same plane, the boundary line with the rough edges is continuous and free of obstruction, the middle part is provided with a circular positioning hole, the inner expansion block 37 is positioned in the circular positioning hole, the inner expansion block is diffused outwards to be in contact with the original positioning hole, the casting is positioned by means of friction, and the shape of the casting 47 comprises but is not limited to a circular casting.

The diameter of circular locating hole is 3-6cm, the utility model discloses only be applicable to foundry goods 47 simple structure, need not the simple foundry goods of operations such as other polishing chamfers, degree of automation is high, has improved work efficiency greatly, need not to use the high-grade unhairing limit machine that the cost is high, has practiced thrift the cost.

Example 6:

an automatic deburring machine for simple castings is structurally shown in embodiment 5, and is different from the structure that a second adjusting channel is arranged in a base arm 32, the second adjusting channel is square, one end of a free transverse moving rod 55 is inserted into the second adjusting channel, the other end of the free transverse moving rod is fixedly connected with a rotating support 56, as shown in fig. 8, the rotating support 56 comprises a vertical connecting plate 58 and connecting lugs 59 positioned at the upper end and the lower end of the vertical connecting plate, a fixing hole 60 used for fixing the free transverse moving rod is arranged in the middle of the vertical connecting plate 58, hinge holes 61 are arranged in two connecting lugs 59, and a main arm 31 is hinged with the connecting lugs 59 through a hinge shaft 33. Through the rotating bracket 56, the main arm 31 can rotate in the horizontal plane relative to the free transverse moving rod 55, and the free transverse moving rod 55 can move horizontally, so that the size change of a casting within a certain range can be met, and the profiling motion can be conveniently completed according to the shape of a sample plate.

Example 7:

the automatic deburring machine for the simple castings is structurally shown in embodiment 6, and is different in that the upper end of a main arm 31 is fixedly connected with a speed regulating motor support 26, a speed regulating motor 27 is fixed on the speed regulating motor support 26, and a magnetic head 25 is fixed on a rotating shaft of the speed regulating motor 27;

the lower end of the main arm 31 is fixedly connected with a high-speed motor support, the high-speed motor 28 is fixed on the high-speed motor support, and the grinding head 29 is fixed on a rotating shaft of the high-speed motor 28.

Example 8:

the automatic burr removing machine for the simple castings is structurally as shown in embodiment 7, and is different in that a travel switch frame 41 is arranged on one side of a clamp body 30, and a clamp travel switch 8 is located on the travel switch frame 41 and fixed through a travel switch fixing bolt 50;

a thrust bearing is arranged between the main shaft 16 and the base arm 32, a stepped shaft is arranged on the main shaft 16, the thrust bearing is arranged on the stepped shaft and is in interference fit with the main shaft, the base arm 32 is connected with a bearing cover of the thrust bearing, the thrust bearing can be fixed on the main shaft due to the existence of the stepped shaft, the base arm 32 can be fixed on the main shaft 16 and can rotate relatively, and the thrust bearing is used for fixing the base arm 32 and enabling the base arm 32 to rotate relative to the main shaft 16.

The utility model discloses in, base arm 32 can rotate for main shaft 16, and main arm 31 can rotate for base arm 32, is favorable to the profile modeling in-process main arm to rotate more in a flexible way like this, can satisfy the bigger size foundry goods and accomplish unhairing limit work.

Be fixed with electrical apparatus cabinet 18 on the main shaft 16, be provided with electrical apparatus switch 54 and speed governing switch 17 on the electrical apparatus cabinet 18, electrical apparatus switch 54 is used for controlling the break-make of whole unhairing limit circuit part, an emergency's scram, speed governing switch 17 is connected with buncher 27, a direction of rotation and speed for controlling magnetic head 25, make bistrique 29 can keep away from and contact foundry goods deckle edge through the lift of hydraulic cylinder 11, can adjust work efficiency through adjusting speed governing switch 17, accomplish whole process, realize automaticly.

Example 9:

the utility model provides an automatic unhairing limit machine of simple foundry goods, its structure is as shown in embodiment 8, the difference is, locking device is perpendicular distance locking handle 35, perpendicular distance locking handle 35 includes the nut, with nut matched with bolt and with bolted connection's handle, the one end of type arm 20 is provided with vertical cylinder through-hole, the cylinder through-hole cover is located on connecting rod 19, cylinder through-hole side sets up the regulation hole, the nut is fixed in regulation hole department, the regulation hole top is passed on connecting rod 19 to the one end of bolt and nut cooperation and bolt, through the precession back-out of rotatory handle control bolt, and then reach the purpose of locking and relaxing the connecting rod.

Example 10:

the working method of the automatic simple casting deburring machine comprises the following steps:

the piston rod of the traverse hydraulic cylinder 7 extends out, the casting with the burrs removed is clamped by the clamp body 30, the traverse rod 22 is adjusted, when the rotation center of the sample plate 24 and the rotation center of the casting 47 are collinear, namely, are aligned with each other, the traverse rod 22 is locked by the horizontal distance locking screw 21, the vertical distance locking handle 35 is loosened, the vertical distance of the sample plate 24 is adjusted, when the edge of the sample plate 24 is contacted with the magnetic head 25, the vertical distance locking handle 35 is locked, and at the moment, the relative position of the magnetic head 25 and the sample plate 24 is fixed and is always kept in contact;

the lifting hydraulic cylinder 15 descends to enable the base arm 32 and the model arm 20 to descend simultaneously, when a contact of an upper support rod 15 of the lifting hydraulic cylinder 11 descends to contact with the bottom travel switch 10, the grinding head 29 just contacts with the edge of the casting 47, the positions of the bottom travel switch 10 and the contact can be determined through continuous adjustment in the early stage according to the height of the casting 47, when the contact contacts with the bottom travel switch, the grinding head 29 just contacts with the edge of the casting 47 (in the descending process of the lifting hydraulic cylinder, the magnetic head 25 is always in contact with the edge of the model plate 24), the high-speed motor 28 and the speed regulating motor 27 start to work to perform profiling machining, as the magnetic head 25 and the model plate 24 are both magnetic and attract each other, friction force is generated through attraction between the magnetic head 25 and the model plate 24, pure rolling friction is further formed between the magnetic head 25 and the model plate 24, the surfaces of the magnetic head 25 and the model plate 24 have certain roughness, and as the magnetic head, the magnetic head 25 advances along the peripheral edge of the sample plate 24 to carry out profiling, the main arm 31 and the base arm 32 rotate around respective rotating shafts in a plane to ensure that the magnetic head 25 and the sample plate 24 are always contacted together in the profiling process, because the rotation centers of the grinding head 29 and the magnetic head 25 are collinear and are fixed on the main arm 31, the path of the grinding head 29 is completely the same as that of the magnetic head 25, the grinding head 29 restores the path of the magnetic head 25, the grinding head 29 grinds and removes burrs through rotation, further the burrs of the casting 47 are removed, the grinding head 29 is of a common cylindrical grinding wheel structure, the burrs at the edge of the casting are removed through high-speed rotating friction, the plane of the casting 47 is not polished and the burrs are removed, only the burrs at the edge are removed, and the right-angle part needs to be manually;

after deckle edge is removed, hydraulic cylinder 11's telescopic link rises, and contact on branch 15 rises, and speed governing motor 27 and high-speed motor 28 all stall, and when contact top travel switch 9, the sideslip pneumatic cylinder 7 piston rod retracts, changes the new foundry goods 47 that deckle edge in advance, repeats above-mentioned process, carries out the profile modeling of a new round and deckle edge.

Example 11:

a method of operating an automatic simple casting deburring machine, as described in example 10, except that the clamp body 30 clamps a pre-deburred casting by:

the piston rod of the transverse hydraulic cylinder 7 extends out and pushes the wedge iron 45 to move right through a right wedge iron pushing rod 49, the push rod 46 is pushed to move upwards because the upper surface of the wedge iron 45 is an inclined plane in the right direction, the push rod 46 pushes the inner expansion block ejector rod 38 to move upwards, so that the inner expansion block 37 is diffused towards two sides, when the outer diameter is continuously diffused, the outer wall of the inner expansion block 37 is contacted with the inner wall of the casting 47, and the casting 47 is clamped;

when the burrs of the casting 47 are removed, the piston rod of the transverse hydraulic cylinder 7 retracts, the wedge 45 moves leftwards, the casting 47 loosens, and the casting which is replaced by a new casting with the burrs removed in advance is taken down.

Example 12:

the working method of the automatic simple casting deburring machine is as shown in embodiment 11, and is different in that in the working process, a hydraulic control valve and a travel switch are needed to control the extension and contraction of a lifting hydraulic cylinder 11 and a transverse moving hydraulic cylinder 7 and the switch of a high-speed motor 28 and a speed regulating motor 27, when a mechanism is static at the highest point, the lifting hydraulic cylinder 11 needs to maintain pressure, and a hydraulic pump 1 needs to unload; the hydraulic pump 1 also needs unloading at the lowest point, which requires a hydraulic system to be provided with an unloading and pressure maintaining loop;

the hydraulic principle specifically is as follows: the clamp travel switch 8 controls the electromagnet 3DT, the bottom travel switch 10 controls the electromagnet 1DT and the speed regulating motor 27, the high speed motor 28 to be switched on and off, the pressure relay 12 is connected with the top travel switch 9 in series to control the 2DT to be switched on and off, wherein the normal positions of the clamp travel switch 8, the top travel switch 9 and the bottom travel switch 10 are normally open, the normal position of the pressure relay 12 is normally closed, when the three-position four-way manual reversing valve 13 works at the right position, the piston rod of the lifting hydraulic cylinder 11 moves downwards to touch the bottom travel switch 10, so that the electromagnet 1DT electrified hydraulic pump 1 is unloaded through the pilot operated overflow valve 2, and at the moment, the speed regulating motor 27 and the high speed motor 28 are switched on to start profiling machining; after the processing is finished, the three-position four-way manual reversing valve 13 is pulled to enable the left position of the three-position four-way manual reversing valve to start working, the piston rod of the lifting hydraulic cylinder 11 moves upwards, the bottom travel switch 10 is switched off, and the electromagnet 1DT, the speed regulating motor 27 and the high-speed motor 28 are switched off; the check valve 4 is used for sealing the pilot cavity of the pilot overflow valve 2 by pressure oil at the moment after the direction is changed, so that the pilot overflow valve 2 stops overflowing;

the piston rod of a lifting hydraulic cylinder 11 moves upwards to touch a top travel switch 9 to electrify an electromagnet 2DT, the left position of a two-position three-way electromagnetic directional valve 5 works, the bottom oil of the lifting hydraulic cylinder 11 is closed, a holding mechanism is static at the upper part, the hydraulic oil flows into the right cavity of a transverse hydraulic cylinder 7 to cause the piston rod to retract, the hydraulic oil flows into the transverse hydraulic cylinder 7 to cause the piston rod to retract, a workpiece is loosened to replace the next pre-deburring casting 47, the piston rod of the transverse hydraulic cylinder 7 retracts to touch a clamp travel switch 8 to electrify the electromagnet 3DT, a hydraulic pump 1 is unloaded, after the workpiece is replaced, a three-position four-way manual directional valve 13 is pulled to cause the right position to work, the hydraulic oil in the hydraulic pump 1 enters an upper cavity, the bottom hydraulic oil of the lifting hydraulic cylinder 11 is closed at the, the wedge iron 45 is pushed to clamp a workpiece, when the workpiece is clamped, the pressure of an oil inlet path is raised, the pressure relay 12 sends an electric signal to cut off the power of the electromagnet 2DT, the right position of the two-position three-way electromagnetic directional valve 5 is connected into a loop to work, and the piston rod of the lifting hydraulic cylinder 11 moves downwards;

and the top travel switch 9 is switched off, even if the switch controlled by the pressure relay 12 is switched on due to the pressure reduction of the oil inlet cavity, the electromagnet 2DT cannot be electrified, and meanwhile, the wedge iron in the clamp body 30 has the self-locking characteristic, cannot retreat after the pressure of the transverse moving hydraulic cylinder 7 is removed, cannot loosen a workpiece due to the pressure reduction of the oil inlet cavity, and keeps the casting 47 clamped in the whole machining process.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The automatic deburring machine for the simple castings is characterized by comprising a base, a clamp body for clamping the castings, a base arm and a main arm for supporting a grinding head, a profile arm for supporting a sample plate and an automatic control system, wherein the clamp body is arranged at one end of the base, a lifting hydraulic cylinder is arranged at the other end of the clamp body, a main shaft is arranged on the lifting hydraulic cylinder, a connecting rod is connected to the main shaft through a rotary hydraulic cylinder, the rotary hydraulic cylinder is used for finely adjusting the rotation of the connecting rod relative to the main shaft, one end of the profile arm is sleeved on the connecting rod and is provided with a locking device, and one end of the base arm is fixed at a certain position of the main shaft and;

the other end of type arm has connected gradually sideslip pole and flexible pneumatic cylinder for adjust the horizontal distance between model and the magnetic head, flexible pneumatic cylinder other end fixedly connected with sample frame body is fixed with the model on the sample frame body, the model is the same with the foundry goods shape of unhairing limit in advance, the material of model is magnetic material, and the during operation, the model is collinear with the centre of rotation of the foundry goods of unhairing limit in advance, bistrique and magnetic head are respectively through high-speed motor and buncher drive.

2. The automatic simple casting deburring machine of claim 1, wherein the automatic control system comprises a hydraulic pump, a pilot operated overflow valve, a first two-position two-way electromagnetic directional valve, a second two-position two-way electromagnetic directional valve, a two-position three-way electromagnetic directional valve, a pressure relay, a three-position four-way manual directional valve and a lifting hydraulic cylinder;

3. The automatic simple casting deburring machine of claim 2 wherein said arm defines a first adjustment channel therein for cooperating with the traverse bar, the traverse bar having one end inserted into and capable of traversing along the first adjustment channel, said arm defining a horizontal distance locking screw disposed above the first adjustment channel for locking the traverse bar.

4. The automatic simple casting deburring machine of claim 3 wherein said first conditioning passage is square;

the rotary hydraulic cylinder is in threaded connection with the main shaft, an inner thread groove is formed in the outer shell of the rotary hydraulic cylinder, and the rotary hydraulic cylinder can control the connecting rod to rotate so as to control the rotation of the sample plate rotation center around the main shaft.

5. The automatic deburring machine for simple castings according to claim 4, wherein the fixture body comprises a fixture body base, an end cover and an inner expansion body, the fixture body base and the end cover are both fixed on the base, the inner expansion body is fixed on the end cover, the telescopic rod of the traversing hydraulic cylinder is connected with one end of a wedge push rod, the other end of the wedge push rod is in contact connection with a wedge, the wedge is positioned between the fixture body base and the end cover, the end cover is provided with a limit hole along the vertical direction, a push rod is arranged in the limit hole, the bottom of the push rod is in contact connection with the wedge, an inner expansion push rod is connected above the push rod, a plurality of inner expansion blocks are arranged around the inner expansion push rod, springs are connected between the inner expansion blocks and the inner expansion body, the inner expansion body is used for primarily positioning the castings, the castings are placed on the inner expansion body, the inner expansion blocks clamp the castings through diffusion, and burrs of the pre-debu, the boundary line with the burr is continuous without blocking, the middle part of the boundary line is provided with a circular positioning hole, and the inner expansion block is positioned in the circular positioning hole;

the diameter of the circular positioning hole is 3-6 cm.

6. The automatic deburring machine for simple castings according to claim 5, wherein a second adjusting channel is arranged in the base arm, one end of the free-translation rod is inserted into the second adjusting channel, the other end of the free-translation rod is fixedly connected with the rotating bracket, the rotating bracket comprises a vertical connecting plate and connecting lugs positioned at the upper end and the lower end of the vertical connecting plate, a fixing hole for fixing the free-translation rod is formed in the middle of the vertical connecting plate, hinge holes are formed in both the connecting lugs, and the main arm is hinged with the connecting lugs through hinge shafts;

the second regulating passage is square.

7. The automatic simple casting deburring machine of claim 6, wherein the upper end of the main arm is fixedly connected with a speed regulating motor bracket, the speed regulating motor is fixed on the speed regulating motor bracket, and the magnetic head is fixed on a rotating shaft of the speed regulating motor;

8. The automatic simple casting deburring machine of claim 7, wherein said clamp body is provided with a travel switch bracket on one side, said clamp travel switch being located on said travel switch bracket.

9. The automatic simple casting deburring machine of claim 8, wherein a thrust bearing is arranged between the main shaft and the base arm, a stepped shaft is arranged on the main shaft, the thrust bearing is arranged on the stepped shaft and is in interference fit with the main shaft, the base arm is connected with a bearing cover of the thrust bearing, the thrust bearing is fixed on the main shaft in the vertical direction due to the existence of the stepped shaft, and the base arm is fixed on the main shaft and can rotate relatively;

an electric appliance cabinet is fixed on the main shaft, an electric switch and a speed regulating switch are arranged on the electric appliance cabinet, and the electric switch is used for controlling the on-off of the circuit part of the whole deburring machine.

10. The automatic deburring machine of simple foundry goods according to claim 9, characterized in that, locking device is vertical distance locking handle, vertical distance locking handle includes the nut, with nut matched with bolt and with bolted connection's handle, the one end of type arm is provided with vertical cylinder through-hole, the cylinder through-hole cover is located on the connecting rod, cylinder through-hole side sets up the regulation hole, the nut is fixed in regulation hole department, the bolt passes the regulation hole with the nut cooperation and the one end of bolt and pushes up on the connecting rod, through the precession and the precession of rotatory handle control bolt, and then reach the purpose of locking and relaxing the connecting rod.