CN113119288A - Molding machine servo mechanism with controllable feeding process and working process thereof - Google Patents

Molding machine servo mechanism with controllable feeding process and working process thereof Download PDF

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Publication number
CN113119288A
CN113119288A CN201911392397.2A CN201911392397A CN113119288A CN 113119288 A CN113119288 A CN 113119288A CN 201911392397 A CN201911392397 A CN 201911392397A CN 113119288 A CN113119288 A CN 113119288A
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shoe
detection switch
fixed
material shoe
hinged
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蒋正信
闫德亮
栾长平
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Yangzhou Haili Precision Machinery Manufacturing Co Ltd
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Yangzhou Haili Precision Machinery Manufacturing Co Ltd
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Priority to CN201911392397.2A priority Critical patent/CN113119288A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
    • B28B13/02—Feeding the unshaped material to moulds or apparatus for producing shaped articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
    • B28B17/0063—Control arrangements
    • B28B17/0081—Process control

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Manufacturing & Machinery (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

本发明涉及一种送料过程可控制的成型机伺服机构及其工作过程。本机构采用了伺服电机，料靴动作由机床PLC智能控制，料靴运动曲线可根据制品需要进行调整，能实现生产效能最佳化。对用于5G的陶瓷滤波器等成型难度大的制品：（1）料靴前进后退角度可根据生产需要进行设定。（2)料靴在阴模腔来回抖动次数可由原来的2‑3次增加至4‑5次，对用于5G的陶瓷滤波器时因粉料流动差，增加抖动次数更利于粉料充填。(3)伺服控制料靴运动，每次到达阴模腔的重复定位精度在0.01mm.这样就可保证用于5G的陶瓷滤波器等成型难度大的制品成型质量稳定，质量偏差小，密度均匀，制品合格率高等优点。

Figure 201911392397

The invention relates to a molding machine servo mechanism with controllable feeding process and its working process. This mechanism adopts a servo motor, the movement of the material shoe is intelligently controlled by the PLC of the machine tool, and the movement curve of the material shoe can be adjusted according to the needs of the product, which can optimize the production efficiency. For products that are difficult to form such as ceramic filters for 5G: (1) The forward and backward angles of the material shoes can be set according to production needs. (2) The number of back-and-forth jitters of the material shoe in the female mold cavity can be increased from 2-3 times to 4-5 times. For ceramic filters used in 5G, due to poor powder flow, increasing the number of jitters is more conducive to powder filling. (3) The movement of the material shoe is controlled by servo, and the repeated positioning accuracy of each time it reaches the female mold cavity is 0.01mm. This can ensure stable molding quality, small quality deviation and uniform density of products that are difficult to shape, such as ceramic filters for 5G. , the advantages of high product qualification rate.

Figure 201911392397

Description

Molding machine servo mechanism with controllable feeding process and working process thereof
Technical Field
The invention relates to a forming machine servo mechanism with controllable feeding process and a working process thereof, belonging to the technical field of powder metallurgy.
Background
The feeding angle of the existing powder press structure is difficult to adjust, and the number of times of the feeding shoe shaking back and forth in the feeding cavity is small, so that products such as 5G ceramic filters and the like which are difficult to form, the quality of the products cannot be guaranteed, and the quality stability and consistency of the products are difficult to guarantee, so that improvement is needed.
Disclosure of Invention
Aiming at the defects, the invention aims to provide a servo mechanism of a forming machine with a controllable feeding process, which has a reasonable structure and can effectively improve the quality of products with high forming difficulty, such as a 5G ceramic filter and the like, and a working process thereof.
The technical scheme adopted by the invention is as follows: a servo mechanism of a forming machine with controllable feeding process comprises a servo motor (19), wherein the servo motor (19) is connected with a speed reducer (21) and fixed on a speed reducer base (22), and the speed reducer base (22) is fixedly connected to a machine body (1);
an output shaft (23) is connected with a speed reducer (21), the output shaft (23) is connected with a swing rod (25), a connecting shaft (11) is fixedly connected on the swing rod (25), one end of a connecting plate (9) is hinged on the connecting shaft (11), the other end of the connecting plate (9) is hinged on a material shoe (8), the connecting shaft (10) is fixedly connected in the middle of the connecting plate (9), the upper end of a tensioning cylinder (6) is hinged on a cylinder support (5) fixed on a lathe bed (1), the lower end of the tensioning cylinder (6) is hinged on the connecting shaft (10), the material shoe (8) moves back and forth on a material feeding panel (26), the material feeding panel (26) is fixed on a female die plate (28) arranged on a die set of the lathe bed (1), a lower punch is fixed under a female die cavity of the female die plate (28), a hopper (2) is hinged on a hopper support (3) fixed on the lathe bed (1), and the, the lower end is fixed on the material boot material pipe (7);
the material shoe material pipe (7) is connected to the material shoe (8), the material shoe material pipe (7) can be adjusted on the material shoe (8) in a telescopic mode, the detection base is fixed on the connecting plate (18), the detection support (16) is fixed on the connecting plate (18), the material shoe (8) detection switch (13) is installed on the front detection support (16), and the material shoe (8) detection switch (15) is installed on the rear detection support (16).
Furthermore, the servo motor (19) is connected with the speed reducer (21) through a motor connecting plate (20) and is fixed on the speed reducer base (22), and the speed reducer base (22) is fixedly connected with the lathe bed (1) through a connecting plate (18).
Furthermore, an output shaft (23) is connected with a speed reducer (21) through a speed reducer base (22), and the output shaft (23) is connected with a swing rod (25) through a key (24).
Furthermore, a front position detection switch (12) and an over-front position detection switch (13) of the charging shoe (8) are arranged on the front detection support (16), and an in-situ detection switch (14) and an over-in-situ detection switch (15) of the charging shoe (8) are arranged on the rear detection support (16).
A working process of a servo mechanism of a forming machine with controllable feeding process,
the method comprises the following steps: 1) When the machine tool spindle is at 300 degrees, the machine tool PLC sends forward signals to a servo motor (19) through a rotary encoder arranged on the machine tool spindle, the servo motor (19) drives a swing rod (25) to swing forwards through an output shaft (23), the swing rod (25) drives the other end to be hinged to a feeding shoe (8) of a connecting shaft (11) through a connecting plate (9) hinged to the connecting shaft (11) to move forwards, and the feeding shoe (8) is tightly attached to a feeding panel (26) through a tensioning cylinder (6) hinged to the connecting shaft (10);
2) when the spindle of the machine tool is at 360 degrees, the material boot (8) reaches the upper opening of the female die cavity of the female die plate 28, the front position detection switch 12 is turned on, if the front position detection switch 12 is turned off, the machine alarm lamp is turned on, if the material boot 8 exceeds the position, the front position detection switch 13 is turned on, and the machine is stopped immediately. At the moment, the female die is filled to the highest position and is not moved, powder in the hopper 2 is conveyed to the material shoe 8 through the material shoe material pipe 7 through the rubber hose 4, and the powder falls into the female die cavity between the lower punch 27 and the female die plate 28 when the material shoe 8 shakes back and forth at the upper opening of the female die cavity of the female die plate 28;
3) when the shaking of the settable angle is finished at 40-70 degrees, the machine tool PLC gives a backward signal to the servo motor 19 through a rotary encoder arranged on the machine tool spindle, the material boot 8 returns to the original position when the machine tool spindle is at 120 degrees, the original position detection switch 14 is on, if the original position detection switch 14 is not on, the machine alarm lamp is on, if the material boot 8 exceeds the position, and if the original position detection switch 15 is on, the machine is stopped immediately.
The invention has the advantages that: 1. a servo feeding mechanism with controllable feeding process is adopted. The servo motor is arranged, the speed reducer drives the feeding swing rod to swing back and forth, and the feeding swing rod drives the material boot to move back and forth. The servo motor sets a front-back motion curve of the material shoe through a PLC touch screen of the machine tool according to the spindle rotation angle of a rotary encoder arranged on a spindle of the machine tool.
2. The mechanism adopts a servo motor, the movement of the material shoe is intelligently controlled by a machine tool PLC, the motion curve of the material shoe can be adjusted according to the requirement of a product, and the optimization of production efficiency can be realized. For products such as 5G ceramic filters, which are difficult to mold: (1) the forward and backward moving angle of the material boot can be set according to production requirements. (2) The shaking times of the material boot in the female die cavity can be increased from the original 2-3 times to 4-5 times, and the increase of the shaking times is more beneficial to powder filling due to poor powder flowing when the material boot is used for a 5G ceramic filter. (3) The servo control material shoe moves, the repeated positioning precision of the material shoe reaching the female die cavity is 0.01mm each time, and therefore the advantages of stable molding quality, small quality deviation, uniform density, high product qualification rate and the like of products used for 5G ceramic filters and the like with high molding difficulty can be guaranteed.
3. The servo speed-reducing swing rod mechanism has the advantages of large output torque, high feeding speed, low power required by a servo motor, high production efficiency and the like.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is an enlarged view of a portion B in fig. 1.
Fig. 4 is an enlarged view of a portion C in fig. 1.
Fig. 5 is a side view of fig. 1.
Fig. 6 is an enlarged view of a portion D of fig. 5.
Fig. 7 is an enlarged view of a portion E of fig. 5.
FIG. 8 is a graph showing the movement of the shoe according to the present invention.
Detailed Description
A servo mechanism of a forming machine with controllable feeding process comprises a servo motor 19, wherein the servo motor 19 is connected with a speed reducer 21 and is fixed on a speed reducer base 22, and the speed reducer base 22 is fixedly connected to a machine body 1;
an output shaft 23 is connected with a speed reducer 21, the output shaft 23 is connected with a swing rod 25, a connecting shaft 11 is fixedly connected with the swing rod 25, one end of a connecting plate 9 is hinged on the connecting shaft 11, the other end of the connecting plate 9 is hinged on a material shoe 8, the connecting shaft 10 is fixedly connected in the middle of the connecting plate 9, the upper end of a tensioning cylinder 6 is hinged on a cylinder support 5 fixed on a lathe bed 1, the lower end of the tensioning cylinder 6 is hinged on the connecting shaft 10, the material shoe 8 moves back and forth on a material feeding panel 26, the material feeding panel 26 is fixed on a female die plate 28 arranged on a die frame of the lathe bed 1, a lower punch is fixed below a female die cavity of the female die plate 28, a hopper 2 is hinged on a hopper support 3 fixed on;
the material shoe material pipe 7 is connected to the material shoe 8, the material shoe material pipe 7 can be telescopically adjusted on the material shoe 8, the detection base is fixed on the connecting plate 18, the detection support 16 is fixed on the connecting plate 18, the material shoe 8 detection switch 13 is installed on the front detection support 16, and the material shoe 8 detection switch 15 is installed on the rear detection support 16.
Further, the servo motor 19 is connected with the speed reducer 21 through a motor connecting plate 20 and is fixed on a speed reducer base 22, and the speed reducer base 22 is fixedly connected with the lathe bed 1 through a connecting plate 18.
Further, the output shaft 23 is connected with the speed reducer 21 through the speed reducer base 22, and the output shaft 23 is connected with the swing rod 25 through the key 24.
Further, a front detection bracket 16 is provided with a material shoe 8 front position detection switch 12 and an excess front position detection switch 13, a rear detection bracket 16 is provided with a material shoe 8 in-situ detection switch 14 and an excess in-situ detection switch 15, and the front detection bracket 16 is arranged on a bracket base 17.
A working process of a servo mechanism of a forming machine with controllable feeding process,
the method comprises the following steps: 1) When the machine tool spindle is at 300 degrees, the machine tool PLC sends forward signals to the servo motor 19 through a rotary encoder arranged on the machine tool spindle, the servo motor 19 drives the swing rod 25 to swing forward through the output shaft 23, the swing rod 25 drives the other end to be hinged to the connecting shaft 11 through a connecting plate 9 hinged to the connecting shaft 11 to feed the material shoe 8 to move forward, and the material shoe 8 is tightly attached to the feeding panel 26 through a tensioning cylinder 6 hinged to the connecting shaft 10;
2) when the machine tool spindle is at 360 degrees, the material boot 8 reaches the upper opening of the female die cavity of the female die plate 28, the front detection switch 12 is turned on by a signal lamp, if the front detection switch 12 is turned off by a signal lamp, the machine alarm lamp is turned on, if the material boot 8 exceeds the position, the front detection switch 13 is turned on by a signal lamp, and the machine is stopped immediately. At the moment, the female die is filled to the highest position and is not moved, powder in the hopper 2 is conveyed to the material shoe 8 through the material shoe material pipe 7 through the rubber hose 4, and the powder falls into the female die cavity between the lower punch 27 and the female die plate 28 when the material shoe 8 shakes back and forth at the upper opening of the female die cavity of the female die plate 28;
3) when the shaking of the settable angle is finished at 40-70 degrees, the machine tool PLC gives a backward signal to the servo motor 19 through a rotary encoder arranged on the machine tool spindle, the material boot 8 returns to the original position when the machine tool spindle is at 120 degrees, the original position detection switch 14 is on, if the original position detection switch 14 is not on, the machine alarm lamp is on, if the material boot 8 exceeds the position, and if the original position detection switch 15 is on, the machine is stopped immediately.
The invention solves the problems that the feeding angle of the forming press can not be adjusted, and products with high forming difficulty such as a 5G ceramic filter and the like are difficult to form due to the fact that the feeding shoe shakes back and forth in the feeding cavity for a few times.

Claims (6)

1.一种送料过程可控制的成型机伺服机构，其特征在于，包括伺服电机（19），所述伺服电机（19）与减速机（21）相连，并固定在减速机座（22）上，所述减速机座（22）通固连于床身（1）上；1. A molding machine servo mechanism with a controllable feeding process, characterized in that it comprises a servo motor (19), the servo motor (19) is connected with a reducer (21), and is fixed on the reducer base (22) , the reducer base (22) is through and fixed on the bed (1); 输出轴（23）与减速机（21）相连，输出轴（23）与摆杆（25）连接,连接轴（11）固连于摆杆（25）上，连接板（9）一端铰接在连接轴（11）上，连接板（9）另一端铰接在料靴（8）上，连接轴（10）固连于连接板（9）中间，张紧气缸（6）上端铰链于固定在床身（1）的气缸支架（5）上，张紧气缸（6）下端铰链于连接轴（10）上，料靴（8）在送料面板（26）上来回运动，送料面板（26）固定在安装在床身（1）模架的阴模板（28）上，下冲固定在阴模板（28）的阴模腔下面，料斗（2）铰接于固定在床身（1）上的料斗支架（3）上，橡胶软管（4）上端固定在料斗（2）底部，下端固定在料靴料管（7）上；The output shaft (23) is connected with the reducer (21), the output shaft (23) is connected with the swing rod (25), the connecting shaft (11) is fixed on the swing rod (25), and one end of the connecting plate (9) is hinged on the connecting rod (25). On the shaft (11), the other end of the connecting plate (9) is hinged on the material shoe (8), the connecting shaft (10) is fixed in the middle of the connecting plate (9), and the upper end of the tensioning cylinder (6) is hinged on the bed. On the cylinder bracket (5) of (1), the lower end of the tensioning cylinder (6) is hinged on the connecting shaft (10), the material shoe (8) moves back and forth on the feeding panel (26), and the feeding panel (26) is fixed on the installation On the female die plate (28) of the die frame of the bed (1), the lower punch is fixed under the female die cavity of the female die plate (28), and the hopper (2) is hinged to the hopper bracket (3) fixed on the bed (1). ), the upper end of the rubber hose (4) is fixed on the bottom of the hopper (2), and the lower end is fixed on the material shoe tube (7); 料靴料管（7）连接于料靴（8）上，料靴料管（7）在料靴（8）上可伸缩调节，检测座固定在连接板（18）上，检测支架（16）固定在连接板（18）上，前检测支架（16）装有料靴（8）检测开关（13），后检测支架（16）装有料靴（8）检测开关（15）。The material shoe material tube (7) is connected to the material shoe (8), the material shoe material pipe (7) can be telescopically adjusted on the material shoe (8), the detection seat is fixed on the connecting plate (18), and the detection bracket (16) It is fixed on the connecting plate (18), the front detection bracket (16) is equipped with a material shoe (8) detection switch (13), and the rear detection bracket (16) is equipped with a material shoe (8) detection switch (15). 2.根据权利要求1所述的一种送料过程可控制的成型机伺服机构，其特征在于，所述伺服电机（19）通过电机连接板（20）与减速机（21）相连，并固定在减速机座（22）上，所述减速机座（22）通过连接板（18）固连与床身（1）上。2. A molding machine servo mechanism with controllable feeding process according to claim 1, characterized in that the servo motor (19) is connected with the reducer (21) through the motor connecting plate (20), and is fixed on the On the reducer base (22), the reducer base (22) is fixedly connected to the bed (1) through a connecting plate (18). 3.根据权利要求1所述的一种送料过程可控制的成型机伺服机构，其特征在于，输出轴（23）通过减速机座（22）与减速机（21）相连，输出轴（23）通过键（24）与摆杆（25）连接。3. A molding machine servo mechanism with a controllable feeding process according to claim 1, characterized in that the output shaft (23) is connected to the reducer (21) through the reducer base (22), and the output shaft (23) It is connected with the pendulum rod (25) through the key (24). 4.根据权利要求1所述的一种送料过程可控制的成型机伺服机构，其特征在于，前检测支架（16）装有料靴（8）前位检测开关（12）与超过前位检测开关（13），后检测支架（16）装有料靴（8）原位检测开关（14）与超过原位检测开关（15）。4. A molding machine servo mechanism with a controllable feeding process according to claim 1, characterized in that the front detection bracket (16) is equipped with a material shoe (8) a front position detection switch (12) and an over-front position detection switch (13), the rear detection bracket (16) is equipped with a material shoe (8) in-situ detection switch (14) and an over-in-situ detection switch (15). 5.一种送料过程可控制的成型机伺服机构的工作过程，其特征在于，5. A working process of a molding machine servo mechanism with a controllable feeding process, characterized in that, 按照以下步骤进行： 1）机床主轴在300°时，机床PLC通过安装于机床主轴上的旋转编码器给伺服电机（19）前进信号，伺服电机（19）通过输出轴（23）带动摆杆（25）向前摆动，摆杆（25）通过铰接在连接轴（11）上连接板（9）带动另一端铰接在连接轴（11）上料靴（8）向前运动，料靴（8）通过铰链于连接轴（10）上张紧气缸（6）紧贴在送料面板（26）上；Follow the steps below: 1) When the machine tool spindle is at 300°, the machine tool PLC sends forward signals to the servo motor (19) through the rotary encoder installed on the machine tool spindle, and the servo motor (19) drives the pendulum (19) through the output shaft (23). 25) Swing forward, the swing rod (25) is hinged on the connecting shaft (11) and the connecting plate (9) drives the other end hinged on the connecting shaft (11) to move the feeding shoe (8) forward, and the feeding shoe (8) The tensioning cylinder (6) is tightly attached to the feeding panel (26) on the connecting shaft (10) through a hinge; 2）在机床主轴在360°时料靴（8）到达阴模板28的阴模腔上口，前位检测开关12信号灯亮，如前位检测开关12信号灯不亮，机器报警灯亮，如料靴8超出此位置，超过前位检测开关13信号灯亮，机器立刻停机。2) When the main shaft of the machine tool is at 360°, the material shoe (8) reaches the upper opening of the female mold cavity of the female template 28, and the signal light of the front position detection switch 12 is on. 8 When this position is exceeded, the signal light of the front position detection switch 13 is on, and the machine stops immediately. 6.此时阴模充填到最高位置不动，粉料通过橡胶软管4将料斗2内粉料通过料靴料管7送至料靴8，料靴8在阴模板28的阴模腔上口来回抖动时粉料落于下冲27与阴模板28间的阴模腔中；6. At this time, the female mold is filled to the highest position and does not move, the powder material in the hopper 2 is sent to the material shoe 8 through the material shoe material pipe 7 through the rubber hose 4, and the material shoe 8 is on the female mold cavity of the female template 28. When the mouth shakes back and forth, the powder falls into the female mold cavity between the lower punch 27 and the female mold plate 28; 3）在40°-70°可设定角度抖动结束，机床PLC通过安装于机床主轴上的旋转编码器给伺服电机19给后退信号，料靴8在机床主轴在120°时回到原位，原位检测开关14信号灯亮，如原位检测开关14信号灯不亮，机器报警灯亮，如料靴8超出此位置，超过原位检测开关15信号灯亮，机器立刻停机。3) At 40°-70°, the angle shaking can be set, and the PLC of the machine tool sends a backward signal to the servo motor 19 through the rotary encoder installed on the spindle of the machine tool, and the material shoe 8 returns to the original position when the spindle of the machine tool is at 120°. The signal light of the in-situ detection switch 14 is on. If the signal light of the in-situ detection switch 14 is not on, the machine alarm light is on. If the material shoe 8 exceeds this position, the signal light of the in-situ detection switch 15 is on, and the machine stops immediately.
CN201911392397.2A 2019-12-30 2019-12-30 Molding machine servo mechanism with controllable feeding process and working process thereof Pending CN113119288A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112707186A (en) * 2020-12-31 2021-04-27 扬州市海力精密机械制造有限公司 Servo feeding mechanism of forming machine with controllable feeding process
CN114261135A (en) * 2021-12-24 2022-04-01 桂林特邦新材料有限公司 Digital control simulation manual operation fills diamond string bead powder system

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