阅读说明：本技术 一种活塞专用转台锯床及其工作过程 (Special rotary table sawing machine for piston and working process of special rotary table sawing machine ) 是由 夏志荣 马有宝 常国华 于 2021-08-05 设计创作，主要内容包括：本发明涉及一种活塞专用转台锯床及其工作过程。包括床座,所述床座上设置有锯除机构,在所述床座上设置和所述锯除机构对应的旋转台,所述旋转台上设置有若干个工装安装座；相邻工装安装座设置的方式满足当锯除机构对活塞进行锯除时,其中一活塞的浇冒口处于锯除机构的锯除路径上,另一活塞的浇道口处于锯除机构的锯除路径上。本发明一次即可锯除活塞的浇帽口和浇道口,加工效率大大提高,本发明通过旋转台等机构的设置,并配以锯除机构的动作配合,使得本发明的锯床能实现相邻活塞之间的快速切换定位,加工节拍得到大幅度提高,具备极大的应用价值。(The invention relates to a special rotary table sawing machine for a piston and a working process thereof. The sawing machine comprises a bed seat, wherein a sawing mechanism is arranged on the bed seat, a rotating table corresponding to the sawing mechanism is arranged on the bed seat, and a plurality of tool mounting seats are arranged on the rotating table; the mode that adjacent frock mount pad set up satisfies when the sawing mechanism saws the piston, and the casting head of one of them piston is in the sawing route of sawing the mechanism, and the sprue gate of another piston is in the sawing route of sawing the mechanism. The invention can saw off the sprue gate and the sprue gate of the piston at one time, greatly improves the processing efficiency, and ensures that the sawing machine can realize the quick switching and positioning between the adjacent pistons through the arrangement of the mechanisms such as the rotating table and the like and the action matching of the sawing mechanism, greatly improves the processing beat and has great application value.)

1. The rotary table sawing machine special for the piston is characterized by comprising a bed base (1), wherein a sawing mechanism is arranged on the bed base (1), a rotary table (6) corresponding to the sawing mechanism is arranged on the bed base (1), and a plurality of tool mounting bases (7) are arranged on the rotary table (6);

the arrangement mode of the adjacent tool mounting seats (7) meets the condition that when the sawing mechanism saws the pistons, the casting head of one piston is positioned on the sawing path of the sawing mechanism, and the pouring gate of the other piston is positioned on the sawing path of the sawing mechanism.

2. A special rotary table sawing machine for pistons according to claim 1, wherein the sawing mechanism comprises a saddle (2) arranged on the bed base (1), a motor (4) and a main shaft (3) driven by the motor (4) are mounted on the saddle (2), the output end of the main shaft (3) is connected with a saw disc (5), and the saw disc (5) and the rotary table (6) are correspondingly arranged.

3. The sawing machine with the rotary table special for the piston as claimed in claim 1, wherein four tool mounting seats (7) are arranged on the rotary table (6), and the rotation angle of the rotary table (6) is 90 degrees when the adjacent processes are switched;

and the pistons (11) arranged on the adjacent tool mounting seats (7) are perpendicular to each other.

4. The special rotary table sawing machine for the piston as claimed in claim 1, wherein the tool mounting seat (7) comprises a fixed tool (8) arranged on the rotary table (6), a pressing block (10) which is arranged on the fixed tool (6) and can move up and down is arranged on the fixed tool (6), a space formed between the pressing block (10) and the fixed tool (8) is used for the piston to penetrate, and the pressing block (10) is driven by a driving source (9) to press the piston.

5. Turntable saw machine for piston applications, according to claim 2, characterized in that said saddle (2) is mounted on said bed (1) by means of a lead screw guide or a rigid rail.

6. The special rotary table sawing machine for the piston as claimed in claim 1, wherein the contact surfaces of the pressing block (10), the fixing tool (8) and the piston (11) are arc surfaces, so that the pressing block (10) and the fixing tool (8) can be attached to press the piston (11).

7. The special rotary table sawing machine for the piston as claimed in claim 6, wherein an upper compressing pad with certain elasticity is fixedly connected to the lower surface of the compressing block (10), the periphery of the upper compressing pad is in sealing connection with the compressing block (10), an air channel is arranged on the compressing block (10), and the air channel is arranged to penetrate downwards so that high-pressure air can form pressing on the upper compressing pad through the air channel, and the upper compressing pad is tightly attached to the piston (11);

fixed surface fixedly connected with possesses the lower pressure pad of certain elasticity on fixed frock (8), down compress tightly the pad all around with fixed frock (8) form sealing connection, be provided with gas passage on fixed frock (8), gas passage upwards link up the setting and make high-pressure gas pass through gas passage forms pairwise the suppression of compressing tightly the pad down makes the pressure pad closely laminates down on piston (11).

8. The special rotary table sawing machine for the piston as claimed in claim 7, wherein corresponding guide holes are formed in the pressing block (10) and the fixing tool (8), a telescopic guide rod is arranged to extend into the guide holes, and the pressing block (10) moves up and down under the guidance of the guide rod.

9. The working process of the special rotary table sawing machine for the piston is characterized by comprising the following steps of:

1) a first piston (11) is pressed through a pressing block (10), then the rotating table (6) rotates by 90 degrees, a second piston (11) is pressed through the pressing block (10), the rotating table rotates by 90 degrees again, and a third piston (11) is pressed through the pressing block (10);

2) the sawing disc (5) is started, the sliding saddle (2) moves, a pouring gate of the first piston (11) is sawed, the sliding saddle (2) retracts, the rotating platform (6) rotates for 90 degrees, and the fourth piston (11) is installed;

3) the sawing disc (5) is started, the sliding saddle (2) moves to saw off a casting head of the first piston (11) and a pouring gate of the second piston (11), the sliding saddle (2) retracts, the rotating table (6) rotates for 90 degrees, the first piston (11) is taken down, and the fifth piston (11) is installed;

4) and (3) starting the saw disc (5), moving the saddle (2) to saw off a casting head of the second piston (11) and a pouring gate of the third piston (11), withdrawing the saddle (2), rotating the rotating table (6) for 90 degrees, taking down the second piston (11), installing the sixth piston (11), and circulating in sequence.

Technical Field

The invention relates to a special rotary table sawing machine for a piston and a working process thereof, and belongs to the technical field of machining equipment.

Background

The casting head opening and the pouring gate opening existing after the piston is cast can influence the subsequent processing of the piston, so the casting head opening and the pouring gate opening need to be sawn off after the piston is cast, the existing operation is generally to clamp one piston on a sawing machine for sawing off at one time through an operator, and the casting head opening and the pouring gate opening are sawn off sequentially for a single piston in two steps; the method has the problems of low processing efficiency, high labor intensity of operators and the like, can not meet the processing requirement, and needs to be improved.

Disclosure of Invention

Aiming at the defects, the invention aims to provide the special rotary table sawing machine for the piston, which has a reasonable structure and improves the sawing efficiency of the sprue gate and the sprue gate, and the working process of the special rotary table sawing machine.

The technical scheme adopted by the invention is as follows: a rotary table sawing machine special for a piston comprises a bed base (1), wherein a sawing mechanism is arranged on the bed base (1), a rotary table (6) corresponding to the sawing mechanism is arranged on the bed base (1), and a plurality of tool mounting bases (7) are arranged on the rotary table (6);

the arrangement mode of the adjacent tool mounting seats (7) meets the condition that when the sawing mechanism saws the pistons, the casting head of one piston is positioned on the sawing path of the sawing mechanism, and the pouring gate of the other piston is positioned on the sawing path of the sawing mechanism.

Further, saw remove the mechanism including setting up saddle (2) on bed seat (1), install motor (4) on saddle (2) and by motor (4) drive moving main shaft (3), saw disc (5) is connected to the output of main shaft (3), saw disc (5) with revolving stage (6) correspond the setting.

Furthermore, four tool mounting seats (7) are arranged on the rotating table (6), and the rotating angle of the rotating table (6) is 90 degrees when adjacent processes are switched;

and the pistons (11) arranged on the adjacent tool mounting seats (7) are perpendicular to each other.

Further, frock mount pad (7) are including setting up fixed frock (8) on revolving stage (6) be provided with on fixed frock (6) with but the up-and-down motion's that fixed frock (6) correspond the setting compact heap (10), compact heap (10) with the space that forms between fixed frock (8) supplies the piston to penetrate to make under the drive of driving source (9) compact heap (10) compresses tightly the piston.

Furthermore, the saddle (2) is arranged on the bed base (1) through a lead screw guide rail or a hard rail.

Furthermore, the contact surfaces of the pressing block (10), the fixing tool (8) and the piston (11) are arc surfaces, so that the pressing block (10) and the fixing tool (8) can be attached to compress the piston (11).

Furthermore, an upper compression pad with certain elasticity is fixedly connected to the lower surface of the compression block (10), the periphery of the upper compression pad is in sealing connection with the compression block (10), a gas channel is arranged on the compression block (10), and the gas channel is arranged to penetrate downwards so that high-pressure gas can form pressing on the upper compression pad through the gas channel, and the upper compression pad is tightly attached to the piston (11);

fixed surface fixedly connected with possesses the lower pressure pad of certain elasticity on fixed frock (8), down compress tightly the pad all around with fixed frock (8) form sealing connection, be provided with gas passage on fixed frock (8), gas passage upwards link up the setting and make high-pressure gas pass through gas passage forms pairwise the suppression of compressing tightly the pad down makes the pressure pad closely laminates down on piston (11).

Furthermore, the compressing block (10) and the fixing tool (8) are provided with corresponding guide holes, telescopic guide rods are arranged to stretch into the guide holes, and the compressing block (10) moves up and down under the guide of the guide rods.

The working process of the special rotary table sawing machine for the piston is carried out according to the following processes:

1) a first piston (11) is pressed through a pressing block (10), then the rotating table (6) rotates by 90 degrees, a second piston (11) is pressed through the pressing block (10), the rotating table rotates by 90 degrees again, and a third piston (11) is pressed through the pressing block (10);

2) the sawing disc (5) is started, the sliding saddle (2) moves, a pouring gate of the first piston (11) is sawed, the sliding saddle (2) retracts, the rotating platform (6) rotates for 90 degrees, and the fourth piston (11) is installed;

3) the sawing disc (5) is started, the sliding saddle (2) moves to saw off a casting head of the first piston (11) and a pouring gate of the second piston (11), the sliding saddle (2) retracts, the rotating table (6) rotates for 90 degrees, the first piston (11) is taken down, and the fifth piston (11) is installed;

4) and (3) starting the saw disc (5), moving the saddle (2) to saw off a casting head of the second piston (11) and a pouring gate of the third piston (11), withdrawing the saddle (2), rotating the rotating table (6) for 90 degrees, taking down the second piston (11), installing the sixth piston (11), and circulating in sequence.

The invention has the advantages that: the invention can saw off the sprue gate and the sprue gate of the piston at one time, greatly improves the processing efficiency, and ensures that the sawing machine can realize the quick switching and positioning between the adjacent pistons through the arrangement of the mechanisms such as the rotating table and the like and the action matching of the sawing mechanism, greatly improves the processing beat and has great application value.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a left side view of fig. 1.

FIG. 3 is a right side view of FIG. 1

Fig. 4 is a top view of fig. 1.

In the figure, 1 a bed seat, 2 a sliding saddle, 3 a main shaft, 4 motors, 5 saw discs, 6 a rotating table, 7 tool mounting seats, 8 fixed tools, 9 driving sources, 10 pressing blocks and 11 pistons are arranged.

Detailed Description

A special rotary table sawing machine for a piston comprises a bed base 1, wherein a sawing mechanism is arranged on the bed base 1, a rotary table 6 corresponding to the sawing mechanism is arranged on the bed base 1, and a plurality of tool mounting bases 7 are arranged on the rotary table 6;

the arrangement mode of the adjacent tool mounting seats 7 meets the condition that when the sawing mechanism saws the pistons, the casting head of one piston is positioned on the sawing path of the sawing mechanism, and the runner port of the other piston is positioned on the sawing path of the sawing mechanism.

Further, saw remove the mechanism including setting up saddle 2 on the bed seat 1, install motor 4 on the saddle 2 and by motor 4 drive moving main shaft 3, saw disc 5 is connected to the output of main shaft 3, saw disc 5 with revolving stage 6 corresponds the setting.

Further, the four tool mounting seats 7 are arranged on the rotating platform 6, the rotating angle of the rotating platform 6 converted between the adjacent processes is 90 degrees, and the pistons 11 mounted on the tool mounting seats 7 are arranged vertically.

Further, the tool mounting base 7 comprises a fixed tool 8 arranged on the rotating table 6, a pressing block 10 which is arranged on the fixed tool 6 and can move up and down is arranged on the fixed tool 6, the pressing block 10 and a space formed between the fixed tools 8 are used for a piston to penetrate, and the pressing block 10 is driven by the driving source 9 to press the piston tightly.

Further, the saddle 2 is mounted on the bed base 1 through a lead screw guide rail or a hard rail.

Further, the surfaces of the pressing block 10, the fixed tool 8 and the piston 11 in contact are arc surfaces, so that the pressing block 10 and the fixed tool 8 can be attached to compress the piston 11.

Further, an upper compression pad with certain elasticity is fixedly connected to the lower surface of the compression block 10, the periphery of the upper compression pad is in sealing connection with the compression block 10, a gas channel is formed in the compression block 10, and the gas channel is arranged to penetrate downwards so that high-pressure gas passes through the gas channel to form compression on the upper compression pad, and the upper compression pad is tightly attached to the piston 11;

fixed surface fixedly connected with possesses the lower pressure pad of certain elasticity on the fixed frock 8, down compress tightly around the pad with fixed frock 8 forms sealing connection, be provided with gas passage on the fixed frock 8, gas passage upwards link up the setting and make high-pressure gas pass through gas passage forms the suppression of packing down, makes the pressure pad closely laminates down on the piston 11.

Furthermore, the compressing block 10 and the fixing tool 8 are provided with corresponding guide holes, telescopic guide rods are arranged to stretch into the guide holes, and the compressing block 10 moves up and down under the guide of the guide rods.

The working process of the special rotary table sawing machine for the piston is carried out according to the following processes:

1) the first piston 11 is pressed through the pressing block 10, then the rotating table 6 rotates by 90 degrees, the second piston 11 is pressed through the pressing block 10, the rotating table rotates by 90 degrees, and the third piston 11 is pressed through the pressing block 10;

2) the sawing disc 5 is started, the sliding saddle 2 moves, the pouring gate of the first piston 11 is sawed, the sliding saddle 2 retracts, the rotating platform 6 rotates by 90 degrees, and the fourth piston 11 is installed;

3) the sawing disc 5 is started, the sliding saddle 2 moves to saw off a casting head of the first piston 11 and a pouring gate of the second piston 11, the sliding saddle 2 retracts, the rotating platform 6 rotates for 90 degrees again, the first piston 11 is taken down, and the fifth piston 11 is installed;

4) and (3) starting the saw disc 5, moving the sliding saddle 2 to saw off a casting head of the second piston 11 and a pouring gate of the third piston 11, withdrawing the sliding saddle 2, rotating the rotating platform 6 for 90 degrees, taking down the second piston 11, installing the sixth piston 11, and circulating in sequence.

A sliding saddle 2 is arranged on a bed base 1 through a lead screw guide rail (or a hard rail is selected), a main shaft 3 and a motor 4 are arranged on the sliding saddle 2, a saw disc 5 is arranged on the main shaft 3, a rotating table 6 is arranged on the bed base 1, a tool mounting seat 7 is arranged on the rotating table 6, a driving source 9 and a fixed tool 8 are arranged on the tool mounting seat 7, and a pressing block 10 is arranged on the driving source 9.

According to the invention, as the casting head and the pouring gate of the piston 11 are generally vertically arranged, the piston 11 is rotated in a 90-degree manner in one working procedure, and the piston 11 is arranged in an arrangement manner of 360/90=4 tool mounting seats 7, so that the adjacent pistons just form a 90-degree position relationship, and when the saw disc 5 is sawed, the casting head and the pouring gate of the adjacent piston 11 are just positioned on a sawing path of the saw disc 5, thereby realizing simultaneous removal of the casting head and the pouring gate and improving the working efficiency of the sawing machine.

The invention adopts the fixing tool 8, the driving source 9 and the pressing block 10 to press the piston 11, has simple structure and convenient operation, and can be applied to other fixing mechanisms.