CN210450934U

CN210450934U - Special numerical control cutting machine tool for aluminum billet casting head of electric baking pan

Info

Publication number: CN210450934U
Application number: CN201920951912.5U
Authority: CN
Inventors: 朱庆亮; 骆伟
Original assignee: Shandong Xinmaide Cnc Equipment Co ltd
Current assignee: Shandong Xinmaide Cnc Equipment Co ltd
Priority date: 2019-06-21
Filing date: 2019-06-21
Publication date: 2020-05-05
Anticipated expiration: 2029-06-21

Abstract

The utility model discloses a special numerical control cutting machine tool for an aluminum billet casting head of an electric baking pan, which comprises a metal fine adjustment bracket, a welding bracket arranged on the metal fine adjustment bracket, a positioning and clamping assembly arranged on the welding bracket and a three-axis cutting device arranged on the welding bracket; the utility model discloses a special numerical control cutting machine tool for an aluminum billet casting head of an electric baking pan, which is brand new in design, compact in structure and high in operation precision; the pneumatic foot switch can clamp a workpiece, visually and manually complete zero-point tool setting of the workpiece quickly, and can be started by one key to complete casting head cutting, so that the operation is simple and convenient, the requirement on the skill of an operator is low, the labor intensity is greatly reduced, the processing of a single aluminum billet is carried out for 3 minutes, the efficiency is high, the cutting parameters and paths are optimized to the maximum extent by a special control program, the performance is stable, the casting head after cutting is complete, the collection and the recovery of recasting are facilitated, the product cost is reduced, and the pneumatic foot switch has good economic and social benefits.

Description

Special numerical control cutting machine tool for aluminum billet casting head of electric baking pan

Technical Field

The utility model belongs to the technical field of machining equipment, concretely relates to special numerical control cutting off machine of electricity cake clang aluminium base dead head, its work content is to cut off the dead head of electricity cake clang blank.

Background

Under the prior art, the casting head of the casting is processed by high-frequency impact, laser cutting, turning, band saw cutting, circular saw cutting and the like. However, these methods are only suitable for casting blanks with overhung casting heads and large machining space.

The electric baking pan aluminum blank is of a disc-shaped revolving body structure, is small in thickness and is difficult to clamp; the periphery of the casting head is provided with a flange, and the casting head is positioned in the center of the revolving body and is relatively sunken. The casting head is cut off and the operation is required to be carried out along the position of the working surface of the casting pan as far as possible, and the maximum height difference is not more than 1 mm. Under the standard, modes such as impact, laser cutting, band saw cutting and the like cannot be realized, and the conventional circular saw cannot be realized due to the limitation of the installation form of a cutter. Turning is the only feasible processing method at present, but the turning at present has the following problems, at first because the thickness of the aluminium blank of the electric baking pan is small, the position used for clamping the chuck on the lathe has casting chamfers (steps), so the clamping is very difficult, and workpieces are easy to fly out during processing, which causes danger; secondly, lathe tool-cutting has a limit, and 3-5 tools are needed for machining one casting head, so that the efficiency is low. And the turned casting head is completely changed into aluminum scraps, is doped with cutting fluid and is pasted on a machine tool, so that the casting head is difficult to clean and difficult to recover, the quality of secondary recasting is greatly reduced, resource waste is caused, and the manufacturing cost is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a special numerical control cutting off machine of electricity cake clang aluminium base dead head to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model discloses a special numerical control cutting machine tool for an aluminum billet casting head of an electric baking pan, which comprises a metal fine adjustment bracket, a welding bracket arranged on the metal fine adjustment bracket, a positioning and clamping assembly arranged on the welding bracket and a three-axis cutting device arranged on the welding bracket; the positioning and clamping assembly comprises a three-dimensional triangular support, an upper reference backup plate arranged at the upper end of the three-dimensional triangular support, an upper pressing cylinder arranged at the upper end of the three-dimensional triangular support through an upper pressing cylinder mounting plate, an upper pressing block arranged on the upper pressing cylinder, a lower pressing plate arranged at the lower end of the three-dimensional triangular support and a lower positioning backup plate, wherein a lower cylinder pull plate is arranged at the lower end of the three-dimensional triangular support, a lower pressing cylinder is arranged on the lower pressing cylinder pull plate and is connected with the lower positioning backup plate through a lower pressing cylinder seat, the lower end of an electric baking pan blank is arranged between the lower pressing plate and the lower positioning backup plate, and the upper end of the electric baking pan blank is limited between the upper reference backup plate and the.

Further, the three-axis cutting device comprises an X-axis slide rail, an X-axis slide block matched with the X-axis slide rail, an X-axis slide plate arranged on the X-axis slide block, a Y-axis slide block arranged on the X-axis slide plate, a Y-axis slide rail matched with the Y-axis slide block, a Z-axis slide rail and a Z-axis slide block matched with the Z-axis slide rail, wherein the lower end of a Y-axis frame is connected with the Y-axis slide rail, one side of the Y-axis frame is connected with the Z-axis slide block, one side of the Z-axis slide rail is provided with the Z-axis slide plate, the Z-axis slide plate is provided with a cutting motor, the cutting motor is provided with a cutting cutter disc, a main shaft of the cutting motor is provided with the cutting cutter disc through a shaft sleeve, the cutting cutter disc is connected with the shaft sleeve of the cutting motor through a countersunk head bolt or a countersunk head screw, a shaft shoulder for positioning the cutting, the bottom end of the cutter head is provided with a hole, the cutter setting cup can be fixed on a shaft shoulder through a bolt or a screw, the plane of the cutter head can be in close contact with the aluminum blank surface of the electric baking pan during working, the levelness of the plane after cutting and the aluminum blank surface of the original electric baking pan is guaranteed to the greatest extent, convenience is brought to subsequent processing, the middle of the shaft shoulder is provided with threads, the cutter setting cup is arranged outside the bolt or the screw, the cutter head is manually moved to sleeve the cutter setting cup on a riser during cutter setting, and the center of the riser is coaxial with the center of the cutter setting cup.

Further, the reciprocating linear motion is realized between the X-axis slide rail and the X-axis slide block, and the following implementation modes can be adopted, but are not limited to: the servo motor drives the lead screw, the gear and rack transmission, the chain wheel and chain transmission, the cylinder transmission and the oil cylinder transmission.

Further, the back of the blank of the electric baking pan is provided with a plurality of steps, a dead head to be cut is arranged in the pan body on the front side, the upper reference backup plate is attached to the vertical surface of the steps, the lower positioning backup plate is provided with a shape matched with the steps, and the matching of the lower positioning backup plate and the lower end of the blank of the electric baking pan is similar to the matching of a mold and a workpiece, so that the blank of the electric baking pan is accurately positioned.

Furthermore, the contact position of the upper pressing block and the blank of the electric baking pan is an arc-shaped inclined plane, so that the electric baking pan blank is effectively and tightly attached, and acting forces in the X direction and the Z direction are applied to the blank of the electric baking pan under the action of the upper pressing cylinder.

Furthermore, a plurality of guide shafts are arranged between the lower cylinder pulling plate and the lower positioning backup plate, so that the supporting and guiding effects are achieved, and the uniform and stable movement of the lower pressing plate is realized.

Furthermore, a push-pull shield is arranged on the outer side of the three-dimensional triangular support through an air cylinder, so that an operator and a cutting saw blade are isolated during cutting, cuttings and cooling liquid are blocked, and a safety protection effect is achieved.

The positioning principle and method explained by the working principle: the utility model discloses equipment leans on the top standard backup plate, goes up compact heap, holding down plate, lower location backup plate to realize the accurate location to electric cake clan blank, goes up the top standard backup plate and fixes a position the backup plate down and has realized the accurate spacing to electric cake clan blank left and right direction, the holding down plate is equipped with the shape that matches with the electric cake clan blank outside, i.e. multi-step structure, play lift and the fore-and-aft direction spacing effect to electric cake clan blank, under the effect of lower pressure cylinder, electric cake clan blank receives the right effort of lower pressure cylinder, the arc inclined plane of upper compact heap is exerted to electric cake clan blank effort and is responded to lower pressure cylinder right effort and the electric cake clan blank effort of multi-step structure lift, the arcwall face is in order to respond to the arc outer fringe of electric cake clan blank at first, the inclined plane is in order to carry out the conversion transmission with the effort of pushing down, decompose into decurrent pressure and extrusion force to left, the left extrusion force and the right acting force of the lower pressing cylinder act together to realize the X-axis accurate positioning of the blank of the electric baking pan, and the downward pressure and the lifting acting force of the multi-step structure on the blank of the electric baking pan act together to realize the accurate positioning of the blank of the electric baking pan in the Z-axis direction; in addition, the arc-shaped surface and the multi-step structure can accurately position the blank of the electric baking pan in the Y-axis direction, which is the principle that the positioning and clamping assembly accurately positions the blank of the electric baking pan.

The three-axis cutting device has the advantages that the working principle of the three-axis cutting device is explained, the X-axis sliding plate is driven by the ball screw to controllably move along the X-axis sliding rail in the X-axis direction, the Y-axis rack passes through the Y-axis sliding block, the Y-axis sliding rail is integrated on the X-axis sliding plate, and is driven by the ball screw to controllably move along the Y-axis sliding rail in the Y-axis direction, the Y-axis rack and the Y-axis rack are overlapped to realize controllable movement in a plane formed by the X, Y axes, the Z-axis sliding plate is also driven by the Z-axis sliding rail, and the Z-axis sliding block is integrated on the Y-axis rack, so that a cutting cutter head connected with a cutting motor realizes X, Y, Z three-dimensional.

Tool setting principle description: when the tool is adjusted, the cutter head is manually moved to sleeve the tool adjusting cup on the riser, the center of the riser is coaxial with the center of the tool adjusting cup, a horizontally placed U-shaped walking path is programmed in advance, the center position of a U-shaped semi-arc is the center of the riser and is set as a reference point, therefore, the tool adjusting cup is only required to be buckled on the riser to find the reference point, the machining can be completed by one key according to the programming path, the tool adjusting efficiency and the machining efficiency are greatly improved, the tool adjusting device is simple, and the tool adjusting can be completed by visual observation; the clamping groove type positioning device does not need to be aligned; when the system is started and stopped by one key, an operator does not contact a program level, and the system can be used with countless control operation experiences.

The three-dimensional direction accurate positioning clamping of the positioning clamping assembly is additionally provided with the space three-dimensional controllable accurate positioning movement of the cutting cutter disc, so that accurate college cutting of the dead head of the blank of the electric baking pan is realized.

Compared with the prior art, the utility model discloses an advantage is with positive effect: firstly, a spindle motor is arranged on a Z-axis sliding plate of a numerical control machine head, a cutting cutter disc is arranged on a cutting motor, the XYZ three-axis numerical control machine head is driven by a servo motor matched with a ball screw, and operation parameters are set by a special control system, so that the cutting cutter disc can accurately move along a programming path; secondly, a base of the lower pressing plate is a special die customized according to the shape of an aluminum blank of the electric baking pan, the base is arranged on one side of the numerical control machine head, a clamping assembly adopts a pneumatic pressing mode, consists of a side pressing part and an upper pressing part and is arranged on a positioning assembly, and accurate positioning and stable clamping are realized; the third cooling and lubricating system adopts pneumatic kerosene for cooling, the flow regulation is arranged beside the spindle motor, the cooling spray head is arranged at the position of the cutting saw blade, the cooling takes away the processing waste heat, and the equipment is safer and more reliable; the machine tool protection comprises a machine head protection cover and an operation protection cover, the machine head protection cover is arranged on the XYZ three-axis numerical control machine tool head and used for protecting transmission components such as a servo motor and a ball screw, the operation protection cover is arranged on the front side of the machine head and is of a push-pull structure, and when in cutting, an operator and a cutting saw blade are isolated, so that cuttings and cooling liquid are blocked, and a safety protection effect is achieved; fifthly, the special control system is customized for processing the aluminum blank of the electric baking pan, is compatible with a general G code program of a numerical control machine, and simultaneously expands the specific feed track and the cutter lifting limit; to sum up the utility model discloses a special numerical control cutting off machine of electricity cake clang aluminium base dead head, for brand-new design, compact structure, the running accuracy is high. The pneumatic foot switch can clamp a workpiece, visually and manually complete zero-point tool setting of the workpiece quickly, and can be started by one key to complete casting head cutting, so that the operation is simple and convenient, the requirement on the skill of an operator is low, the labor intensity is greatly reduced, the processing of a single aluminum billet is carried out for 3 minutes, the efficiency is high, the cutting parameters and paths are optimized to the maximum extent by a special control program, the performance is stable, the casting head after cutting is complete, the collection and the recovery of recasting are facilitated, the product cost is reduced, and the pneumatic foot switch has good economic and social benefits.

Drawings

FIG. 1 is a schematic view of the overall structure of the numerical control cutting machine tool special for the electric baking pan aluminum billet casting head of the present invention.

FIG. 2 is a schematic view of a first view structure of the numerical control cutting machine tool special for an aluminum billet casting head of the electric baking pan of the present invention.

Fig. 3 is a schematic structural view of the three-axis cutting device of the present invention.

FIG. 4 is a schematic structural view of a positioning and clamping assembly of the numerical control cutting machine tool special for an aluminum billet casting head of the electric baking pan of the utility model.

FIG. 5 is a schematic view of a second visual angle structure of the numerical control cutting machine tool special for the electric baking pan aluminum billet casting head of the present invention.

FIG. 6 is a schematic view of a third view angle structure of the numerical control cutting machine tool special for an electric baking pan aluminum billet casting head of the present invention.

FIG. 7 is a schematic view of the first view angle structure of the blank of the electric baking pan of the present invention.

FIG. 8 is a schematic view of a second perspective structure of the blank of the electric baking pan of the present invention.

Fig. 9 is an enlarged schematic view of the cutter disc.

In the figure: 1. the device comprises a metal fine adjustment support, 2 a welding support, 3 a positioning clamping assembly, 31 a three-dimensional triangular support, 32 an upper datum backup plate, 33 an upper pressing cylinder mounting plate, 34 an upper pressing cylinder, 35 an upper pressing block, 35A an arc inclined plane, 36 a lower pressing plate, 37 a lower positioning backup plate, 38 a lower cylinder pulling plate, 39 a lower pressing cylinder, 310 a lower pressing cylinder seat, 4 a three-axis cutting device, 41 an X-axis sliding rail, 42 an X-axis sliding block, 43 an X-axis sliding plate, 44 a Y-axis sliding block, 45. a Y-axis sliding rail, 46 a Z-axis sliding rail, 47 a Z-axis sliding block, 48 and Z-axis sliding plate, 49 a cutting motor, 410 a cutting cutter head, 5 an electric cake pan blank, 51 a step, 52 a riser, 6 a guide shaft, 7 a push-pull shield, 8 a Y-axis machine frame and 9 a tool setting cup.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 9, the present invention provides a technical solution: a special numerical control cutting machine tool for an aluminum billet casting head of an electric baking pan comprises a metal fine adjustment support 1, a welding support 2 arranged on the metal fine adjustment support 1, a positioning and clamping assembly 3 arranged on the welding support 2, and a three-axis cutting device 4 arranged on the welding support 2; the positioning and clamping assembly 3 comprises a three-dimensional triangular support 31, an upper reference backup plate 32 arranged at the upper end of the three-dimensional triangular support 31, an upper pressing cylinder 34 arranged at the upper end of the three-dimensional triangular support 31 through an upper pressing cylinder mounting plate 33, an upper pressing block 35 arranged on the upper pressing cylinder 34, a lower pressing plate 36 arranged at the lower end of the three-dimensional triangular support 31 and a lower positioning backup plate 37, wherein a lower cylinder pulling plate 38 is arranged at the lower end of the three-dimensional triangular support 31, a lower pressing cylinder 39 is arranged on the lower pressing cylinder pulling plate 38, the lower pressing cylinder 39 is connected with the lower positioning backup plate 37 through a lower pressing cylinder seat 310, the lower end of the electric baking pan blank 5 is placed between the lower pressing plate 36 and the lower positioning backup plate 37, and the upper end of the electric baking pan blank 5 is limited between the upper reference backup; the three-axis cutting device 4 comprises an X-axis slide rail 41, an X-axis slide block 42 matched with the X-axis slide rail 41, an X-axis slide plate 43 arranged on the X-axis slide block 42, a Y-axis slide block 44 arranged on the X-axis slide plate 43, a Y-axis slide rail 45 matched with the Y-axis slide block 44, a Z-axis slide rail 46 and a Z-axis slide block 47 matched with the Z-axis slide rail 46, wherein the lower end of a Y-axis frame 8 is connected with the Y-axis slide rail 45, one side of the Y-axis frame 8 is connected with the Z-axis slide block 47, one side of the Z-axis slide rail 46 is provided with a Z-axis slide plate 48, the Z-axis slide plate 48 is provided with a cutting motor 49, the cutting motor 49 is provided with a cutting cutter disc 410 on a main shaft, the cutting cutter disc 410 is connected with a shaft sleeve of the cutting motor 49 through a sunk bolt or sunk bolt, a shaft shoulder for positioning the cutting cutter, the cutter setting cup 9 is arranged outside through a bolt or a screw; the X-axis slide rail 41 and the X-axis slide block 42 move in a matching way through a servo motor and a lead screw transmission assembly; the back of the blank 5 of the electric baking pan is provided with a plurality of steps 51, a dead head 52 to be cut is arranged in the tray body on the front side, the upper reference backup plate 32 is attached to the vertical surface of the steps 51, and the lower positioning backup plate 37 is provided with a shape matched with the steps 51; the contact part of the upper pressing block 35 and the blank 5 of the electric baking pan is an arc-shaped inclined plane 35A; a plurality of guide shafts 6 are arranged between the lower cylinder pulling plate 38 and the lower positioning backup plate 37; the outer side of the three-dimensional triangular support 31 is provided with a push-pull shield 7 through an air cylinder.

The positioning principle and method explained by the working principle: the utility model discloses an equipment leans on upper benchmark backup plate 32, last compact heap, holding down plate 36, lower location backup plate 37 to realize the accurate location to electric cake clan blank 5, upper benchmark backup plate 32 and lower location backup plate 37 realize the accurate spacing to electric cake clan blank 5 left and right direction, holding down plate 36 is equipped with the shape that matches with the outside of electric cake clan blank 5, i.e. many step structures, play lift and fore-and-aft direction spacing effect to electric cake clan blank 5, under the effect of holding down cylinder 39, electric cake clan blank 5 receives the right effort of holding down cylinder 39, the arc slope plane 35A of upper compact heap 35 is applied to electric cake clan blank 5 effort and is called down the right effort of hold down cylinder 39 and the effort of many step structures to electric cake clan blank 5, at first the arc face is in order to call the arc outer edge of electric cake blank 5, the inclined plane is in order to transmit the effort of will pushing down, the downward pressure and the leftward extrusion force are decomposed, the leftward extrusion force and the rightward action force of the lower pressing cylinder 39 act together to realize the X-axis accurate positioning of the blank 5 of the electric baking pan, and the downward pressure and the multi-step structure act together to lift the blank 5 of the electric baking pan to realize the accurate positioning of the blank 5 of the electric baking pan in the Z-axis direction; in addition, the arc-shaped surface and the multi-step structure can realize the accurate positioning of the blank 5 of the electric baking pan in the Y-axis direction, which is the principle that the positioning and clamping assembly 3 can accurately position the blank 5 of the electric baking pan.

The three-axis cutting device 4 has the working principle that the X-axis sliding plate 43 is driven by the ball screw to controllably move along the X-axis sliding rail in the X-axis direction, the Y-axis frame 8 is integrated on the X-axis sliding plate 43 through the Y-axis sliding block 44 and the Y-axis sliding rail 45, and similarly, the Y-axis sliding plate is driven by the ball screw to controllably move along the Y-axis sliding rail in the Y-axis direction, the Y-axis frame 8 and the Y-axis sliding plate are stacked to controllably move in a plane formed by the X, Y axes, and the Z-axis sliding plate is integrated on the Y-axis frame 8 through the Z-axis sliding rail 46 and the Z-axis sliding block 47, so that the cutter disc 410 connected with the cutting motor 49 realizes X, Y, Z three-dimensional controllable accurate positioning movement, and completes cutting.

The three-dimensional accurate positioning and clamping of the positioning and clamping component 3 and the spatial three-dimensional controllable accurate positioning and moving of the cutter disc 410 are added, so that the accurate college cutting of the dead head 52 of the electric baking pan blank 5 is realized.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a special numerical control cutting off machine of electricity cake clang aluminium base dead head which characterized in that includes: the device comprises a metal fine-tuning support (1), a welding support (2) arranged on the metal fine-tuning support (1), a positioning and clamping assembly (3) arranged on the welding support (2), and a three-axis cutting device (4) arranged on the welding support (2);

the positioning and clamping assembly (3) comprises a three-dimensional triangular support (31), an upper reference backup plate (32) arranged at the upper end of the three-dimensional triangular support (31), an upper pressing cylinder (34) arranged at the upper end of the three-dimensional triangular support (31) through an upper pressing cylinder mounting plate (33), an upper pressing block (35) arranged on the upper pressing cylinder (34), a lower pressing plate (36) and a lower positioning backup plate (37) arranged at the lower end of the three-dimensional triangular support (31), a lower cylinder pull plate (38) is arranged at the lower end of the three-dimensional triangular support (31), a lower pressing cylinder (39) is arranged on the lower pressing cylinder pull plate (38), the lower pressing cylinder (39) is connected with the lower positioning backup plate (37) through a lower pressing cylinder seat (310), the lower end of the electric baking pan blank (5) is arranged between the lower pressing plate (36) and the lower positioning backup plate (37), and the upper end of the electric baking pan blank (5) is limited on the upper reference backup plate, Between the upper compression blocks (35).

2. The numerical control cutting machine tool special for the pouring head of the aluminum billet of the electric baking pan as claimed in claim 1, characterized in that: the three-axis cutting device (4) comprises an X-axis sliding rail (41), an X-axis sliding block (42) matched with the X-axis sliding rail (41), an X-axis sliding plate (43) arranged on the X-axis sliding block (42), a Y-axis sliding block (44) arranged on the X-axis sliding plate (43), a Y-axis sliding rail (45) matched with the Y-axis sliding block (44), a Z-axis sliding rail (46) and a Z-axis sliding block (47) matched with the Z-axis sliding rail (46), wherein the lower end of a Y-axis rack (8) is connected with the Y-axis sliding rail (45), one side of the Y-axis rack (8) is connected with the Z-axis sliding block (47), one side of the Z-axis sliding rail (46) is provided with a Z-axis sliding plate (48), a cutting motor (49) is arranged on the cutting motor (49), a cutting cutter head (410) is arranged on a main shaft of the cutting motor (49) through a shaft sleeve, the shaft sleeve is provided with a shaft shoulder for positioning the cutting cutter disc (410), the plane of the cutting cutter disc (410) can be in close contact with the aluminum blank surface of the electric baking pan during working, the middle part of the shaft shoulder is provided with threads, and the tool setting cup (9) is arranged outside through bolts or screws.

3. The numerical control cutting machine tool special for the pouring head of the aluminum billet of the electric baking pan as claimed in claim 2, characterized in that: the X-axis sliding rail (41) and the X-axis sliding block (42) realize reciprocating linear motion, and the following realization modes can be adopted but not limited: the servo motor drives the lead screw, the gear and rack transmission, the chain wheel and chain transmission, the cylinder transmission and the oil cylinder transmission.

4. The numerical control cutting machine tool special for the pouring head of the aluminum billet of the electric baking pan as claimed in claim 3, characterized in that: the back of electric baking pan blank (5) is equipped with a plurality of steps (51), is equipped with in the front disk body and treats riser (52) of cutting, last benchmark backup plate (32) laminate with the vertical face of step (51), location backup plate (37) are equipped with down with step (51) matched with shape.

5. The numerical control cutting machine tool special for the pouring head of the aluminum billet of the electric baking pan as claimed in claim 3, characterized in that: the contact position of the upper compaction block (35) and the electric baking pan blank (5) is an arc-shaped inclined plane (35A).

6. The numerical control cutting machine tool special for the pouring head of the aluminum billet of the electric baking pan as claimed in claim 3, characterized in that: a plurality of guide shafts (6) are arranged between the lower cylinder pulling plate (38) and the lower positioning backup plate (37).

7. The numerical control cutting machine tool special for the pouring head of the aluminum billet of the electric baking pan as claimed in claim 1, characterized in that: and a push-pull shield (7) is arranged on the outer side of the three-dimensional triangular support (31) through an air cylinder.