阅读说明：本技术 一种制造被动组件的模压机构 (Molding press mechanism for manufacturing passive component ) 是由 杨桢堂 刘学琥 温英才 舒浩梅 陈凌娟 沈健 朱文杰 张辉斌 于 2021-08-18 设计创作，主要内容包括：本发明提供一种制造被动组件的模压机构,包括：机架本体,所述机架本体设有用于放置原料的工作台面,所述机架本体设有模压板以及用于驱动所述模压板下压的驱动装置,所述模压板对应设置在所述工作台面上方,所述机架本体设有用于控制所述模压板下压压力的压力控制机构,所述压力控制机构包括马达油箱以及用于控制所述马达油箱输出流量的可变泵,所述可变泵与所述马达油箱连接,所述压力控制机构还包括用于检测所述模压板下压压力的压力检测装置。本发明制造被动组件的模压机构,结构简单,生产成本低；压力控制精度高,压力显示更加准确直观；机架本体能够导正防形变,保证了模压机整机结构的稳定性及可靠性。(The invention provides a molding press for manufacturing a passive component, comprising: the automatic feeding machine comprises a machine frame body, wherein the machine frame body is provided with a workbench surface for placing raw materials, the machine frame body is provided with a mould pressing plate and a driving device for driving the mould pressing plate to press downwards, the mould pressing plate is correspondingly arranged above the workbench surface, the machine frame body is provided with a pressure control mechanism for controlling the pressing pressure of the mould pressing plate, the pressure control mechanism comprises a motor oil tank and a variable pump for controlling the output flow of the motor oil tank, the variable pump is connected with the motor oil tank, and the pressure control mechanism further comprises a pressure detection device for detecting the pressing pressure of the mould pressing plate. The mould pressing mechanism for manufacturing the passive component has the advantages of simple structure and low production cost; the pressure control precision is high, and the pressure display is more accurate and visual; the frame body can be guided to be positive and prevent deformation, and the stability and the reliability of the whole structure of the molding press are guaranteed.)

1. A die press mechanism for manufacturing a passive component, comprising: the automatic feeding machine is characterized in that the machine frame body (1) is provided with a mould pressing plate (2) and a driving device (3) used for driving the mould pressing plate (2) to press downwards, the mould pressing plate (2) is correspondingly arranged above the working table top (101), the machine frame body (1) is provided with a pressure control mechanism used for controlling the pressure of the mould pressing plate (2), the pressure control mechanism comprises a motor oil tank (4) and a variable pump (5) used for controlling the output flow of the motor oil tank (4), the variable pump (5) is connected with the motor oil tank (4), and the pressure control mechanism further comprises a pressure detection device (6) used for detecting the pressure of the mould pressing plate (2).

2. The die press mechanism for manufacturing passive components according to claim 1, characterized in that the pressure detecting means (6) comprises a load cell (601), the load cell (601) being provided on the die press plate (2).

3. The die press mechanism for manufacturing passive elements as claimed in claim 2, wherein said pressure detecting means (6) further comprises a load cell display (602), said load cell display (602) being electrically connected to said load cell (601), said load cell display (602) being a digital display.

4. The die press mechanism for manufacturing passive assemblies according to claim 1, characterized in that the driving means (3) is a master cylinder which drives the die press plate (2) up and down by a piston rod; and an air-cooled cooler (401) is arranged on one side of the motor oil tank (4).

5. The molding press for manufacturing a passive assembly according to claim 2, wherein an upper heat plate (201) and an adjustment heat shield plate (202) are provided above the molding plate (2), the adjustment heat shield plate (202) is interposed between the upper heat plate (201) and the molding plate (2), and the adjustment heat shield plate (202) is fixed by an adjustment bolt (203).

6. The die press mechanism for manufacturing passive components according to claim 1, characterized in that the frame body (1) is provided with a frame alignment deformation prevention mechanism, the frame alignment deformation prevention mechanism comprises a first alignment guide plate (7), a second alignment guide plate (8) and a connecting rod (9), the first alignment guide plate (7) and the second alignment guide plate (8) are fixedly arranged on the frame body (1), and the connecting rod (9) penetrates through the first alignment guide plate (7) and the second alignment guide plate (8).

7. The die press mechanism for manufacturing passive components according to claim 6, characterized in that the first pilot plate (7) is fixedly arranged on the upper seat (102) of the frame body (1), the second pilot plate (8) is fixedly arranged on the lower seat (103) of the frame body (1), and the connecting rod (9) is respectively fixed with the first pilot plate (7) and the second pilot plate (8) through adjusting bolts (901).

8. The die press mechanism for manufacturing passive components according to claim 3, wherein an electric control box (10) is provided at one side of the frame body (1), the load cell display (602) is provided on the electric control box (10), the electric control box (10) is provided with a temperature controller (11) and a control switch (12), and the temperature controller (11) is used for controlling the temperature of the upper hot plate (201) above the die press plate (2).

9. Moulding press for manufacturing passive components according to claim 1, characterized in that the frame body (1) is provided with a safety grating (13) on one side.

10. The die press mechanism for manufacturing passive components according to claim 1, characterized in that the frame body (1) is a C-shaped frame, the frame body (1) and the motor oil tank (4) are integrally welded and fixed, a base workbench (104) is arranged at the bottom of the frame body (1), the base workbench (104) is provided with an adjustable plastic steel foot seat (14), and the base workbench (104) is provided with an electric bottom plate (105) for mounting electric components.

Technical Field

The invention relates to the technical field of passive component molding presses, in particular to a molding mechanism for manufacturing a passive component.

Background

With the continuous progress of social development and scientific technology, the market scale of passive components is continuously improved, the labor cost is also increased dramatically, the cost of enterprises is reduced, the improvement of the capacity is a big problem facing companies and enterprises, and the requirement of people on the efficiency of various passive component molding presses is higher and higher. In addition, the safety awareness of the society and the enterprise staff to the production process is continuously improved, and particularly, the personal safety is more and more emphasized by the enterprises. Therefore, it is an important design direction for manufacturers of passive component molding presses to develop high-efficiency, high-performance, and safe passive component molding presses.

As the mechanical equipment for manufacturing the passive component, the whole structure, stability and reliability of the molding press are important indexes for measuring the quality of the molding press; the close connection control device of the molding press, the speed of the oil hydraulic cylinder and whether the guide device can work accurately and stably are also important indexes for measuring the quality of the molding press; the die press is often of a four-post type construction. In the prior art, the C-shaped die press has poor stability and reliability due to a special C-shaped structure, the close-connection control and guide precision is unsatisfactory, the open hydraulic space safety is low, the common C-shaped die press has the same structure, the volume is large, the maintenance is complex, and the control performance is poor.

In summary, a passive component molding mechanism with high efficiency, high performance, safety and reliability needs to be designed.

Disclosure of Invention

Technical problem to be solved

The technical problem to be solved by the invention is to provide a die pressing mechanism for manufacturing a passive component, which has a simple structure and low production cost; the pressure control precision is high, and the pressure display is more accurate and visual; the frame body can be guided to be positive and prevent deformation, and the stability and the reliability of the whole structure of the molding press are guaranteed.

(II) technical scheme

To solve the above technical problem, the present invention provides a molding press for manufacturing a passive component, including: the automatic feeding device comprises a rack body, wherein the rack body is provided with a working table top for placing raw materials, the rack body is provided with a mould pressing plate and a driving device for driving the mould pressing plate to press downwards, the mould pressing plate is correspondingly arranged above the working table top, the rack body is provided with a pressure control mechanism for controlling the pressing pressure of the mould pressing plate, and the pressure control mechanism comprises a motor oil tank and a variable pump for controlling the output flow of the motor oil tank, so that the flow is adjusted at an initial end, and the pressure is more stable; the variable pump is connected with the motor oil tank. In the past, a double-contact pressure gauge is generally adopted for a machine table, a motor standard pump is adopted for controlling the pressure, and larger deviation exists; the design adopts a motor to be provided with a variable pump to adjust the output flow of the motor oil tank from the source, and the excessive flow is restrained from flowing through under the condition of ensuring the enough flow. The pressure control mechanism also comprises a pressure detection device for detecting the pressing pressure of the mould pressing plate, so that the detection precision is high, an operator can conveniently read related real-time data, and the subsequent process and the product quality can be conveniently improved; reliable use, prevents the pressure from being too large or too small, and ensures the yield.

According to the die pressing mechanism for manufacturing the passive component, the rack body is a C-shaped rack, the rack body and the motor oil tank are integrally welded and fixed, the auxiliary reinforcing plate is additionally arranged, and the integral strength of the rack body is improved; the structure is simple, and the production cost is low; the pressure control precision is high, and the pressure display is more accurate and visual; the rack body can guide and prevent deformation, so that the stability and reliability of the whole structure of the molding press are ensured; one side of the frame body is provided with a safety grating for necessary production safety protection of operators; an air-cooled cooler is additionally arranged behind the oil tank to cool the hydraulic oil, so that pressure deviation caused by oil temperature rise is prevented; the design adopts a motor to be provided with a variable pump to adjust the output flow of a motor oil tank from the source, and the excessive flow is restrained from flowing through under the condition of ensuring enough flow; the guide effect is greatly improved by adopting the common guide of the plurality of connecting rods and the guide plate, so that the whole structure of the machine table is ensured to be stable in a long-time running state, and the deformation of the machine table is reduced; an electrical control box is arranged on one side of the rack body, and the control is convenient.

Furthermore, the pressure detection device comprises a load cell which is arranged on the mould pressing plate, so that the detection precision is high.

Furthermore, the pressure detection device further comprises a load cell display, the load cell display is electrically connected with the load cell, and the load cell display is a digital display. The load cell is adopted to detect pressure and the load cell display is used for pressure control and direct display, and the original pointer type display is converted into a digital display type, so that the reading is simpler and more visual. The load cell detection data is not operated through the PLC so as to avoid display errors caused by PLC programming human errors. The load cell display adopts multi-channel output display to feed back the working upper limit, the working lower limit and the alarm information to the PLC for display and setting through a touch screen of the load cell display, and a communication interface is added to read related real-time data by an upper computer, so that the follow-up process and the product quality are conveniently improved, and the use is reliable.

Further, the driving device is a main oil cylinder, and the main oil cylinder drives the mould pressing plate to lift through a piston rod; and an air-cooled cooler is arranged on one side of the motor oil tank. An air-cooled cooler is added behind the oil tank to cool hydraulic oil, and pressure deviation caused by oil temperature rising is prevented.

Furthermore, an upper hot plate and an adjusting heat insulation plate are arranged above the mould pressing plate, the adjusting heat insulation plate is arranged between the upper hot plate and the mould pressing plate, and the adjusting heat insulation plate is arranged between the upper hot plate and the mould pressing plate through an adjusting screwThe bolt is fixed. Because the load cell temperature resistant degree is limited, increase the heat insulating board and carry out thermal-insulated processing, through rotatory adjusting bolt nut all around make the quotation reach required flatness, can adjust the mounted position and the level of moulded board and load cell through adjusting the heat insulating board, keep apart the high temperature of passive subassembly mould. The oil control ring at the front end of the oil cylinder and the piston rod thereof in the past adopts the oil control ring which can resist the temperature of-25 to 100 ℃ and the pressure of 140kgf/cm²Improved to resist temperature of-35 to 100 ℃ and withstand pressure of 300kgf/cm²And the pressure-resistant degree is greatly improved, so that the pressure-resistant effect of the machine table in the pressure-resistant process is greatly improved.

Further, the frame body is provided with a frame guide anti-deformation mechanism, the frame guide anti-deformation mechanism comprises a first guide plate, a second guide plate and a connecting rod, the first guide plate and the second guide plate are fixedly arranged on the frame body, and the connecting rod penetrates through the first guide plate and the second guide plate. The first guide plate is fixedly arranged on the upper seat of the rack body, the second guide plate is fixedly arranged on the lower seat of the rack body, and the connecting rod is respectively fixed with the first guide plate and the second guide plate through adjusting bolts. Adopt a plurality of tie rods, lead positive board and lead just jointly and make and lead positive effect and greatly promote, make the overall structure guarantee steadily under the state of long-time operation of board, reduce board deformation.

Furthermore, an electrical control box is arranged on one side of the rack body, the load cell display is arranged on the electrical control box, the electrical control box is provided with a temperature controller and a control switch, and the temperature controller is used for controlling the temperature of the upper hot plate above the mould pressing plate. The temperature required by the production of the passive component die is controlled by the temperature controller, and the control is convenient. The control mode of the control switch is divided into a full-automatic mode and a manual mode, and the upper die can stay in any stroke range through the manual control mode, so that the debugging and the maintenance are facilitated; the pressure and the up-down stroke are controllable, the operation is simple, and the maintenance is easy.

Furthermore, a safety grating is arranged on one side of the rack body and used for necessary production safety protection of operators. If the mechanism breaks down, the emergency button is pressed down and the safety grating senses, the hydraulic mechanism stops acting, safety of operators and equipment is guaranteed, and the automatic hydraulic mechanism is humanized in design. The motor oil tank, the variable pump, the air-cooled cooler, the safety grating, the load cell display, the temperature controller and the control switch are connected through electric signals of a cable. The motor, the oil pump, the main oil cylinder, the load cell, the temperature controller and the safety grating are all implemented by an electric control box control system.

Furthermore, the rack body is a C-shaped rack, and the rack body and the motor oil tank are integrally welded and fixed, and an auxiliary reinforcing plate is added, so that the overall strength of the rack body is improved; the bottom of the frame body is provided with a base workbench, the base workbench is provided with an adjustable plastic steel foot seat, and the height level of the machine table can be adjusted by adjusting the plastic steel foot seat; the base workbench is provided with an electric bottom plate for mounting electric components, and the electric components are placed so as to change the idle space in the past, so that the structure is compact, and the utilization rate of the equipment space is high.

The main operation steps of the molding mechanism for manufacturing the passive component of the invention are as follows: the downward pressing action of the main oil cylinder is realized by adopting a hydraulic load cell control system; the motor oil tank, the main oil cylinder, the load cell, the temperature controller and the safety grating are all implemented by an electric control box control system; the production process parameters are preset on a human-computer interface by an operator, a temperature control system is started, the temperature of a production mold is heated to the required temperature through a temperature controller, a production material part is placed in the mold on a workbench surface, a safety grating is separated, an automatic mode is started through an automatic button on an operation box, a main oil cylinder automatically descends and pressurizes to the set pressure, a product is molded through pressure maintaining heating for a period of time, the flow is stopped after the main oil cylinder ascends to the set distance after the set time is reached, the operator takes out a finished product and puts the required raw material of the next mold, and accordingly the circular operation is started.

(III) advantageous effects

The mould pressing mechanism for manufacturing the passive component has the advantages of simple structure and low production cost; the pressure control precision is high, and the pressure display is more accurate and visual; the rack body can guide and prevent deformation, so that the stability and reliability of the whole structure of the molding press are ensured; one side of the frame body is provided with a safety grating for necessary production safety protection of operators; an air-cooled cooler is additionally arranged behind the oil tank to cool the hydraulic oil, so that pressure deviation caused by oil temperature rise is prevented; the design adopts a motor to be provided with a variable pump to adjust the output flow of a motor oil tank from the source, and the excessive flow is restrained from flowing through under the condition of ensuring enough flow; the guide effect is greatly improved by adopting the common guide of the plurality of connecting rods and the guide plate, so that the whole structure of the machine table is ensured to be stable in a long-time running state, and the deformation of the machine table is reduced; an electrical control box is arranged on one side of the rack body, so that the control is convenient; the frame body is C type frame, and frame body and motor oil tank integral type welded fastening increase and assist the strong board, increase its bulk strength.

Drawings

FIG. 1 is a front view of a molding mechanism for manufacturing passive components according to the present invention;

FIG. 2 is a side view of the molding mechanism for manufacturing passive components of the present invention;

wherein: the device comprises a frame body 1, a worktable 101, an upper seat 102, a lower seat 103, a base worktable 104, an electric bottom plate 105, a molding plate 2, an upper hot plate 201, an adjusting heat insulation plate 202, an adjusting bolt 203, a driving device 3, a motor oil tank 4, an air-cooled cooler 401, a variable pump 5, a detection device 6, a load cell 601, a load cell display 602, a first correcting plate 7, a second correcting plate 8, a connecting rod 9, an adjusting bolt 901, an electric control box 10, a temperature controller 11, a control switch 12, a safety grating 13 and an adjustable plastic steel foot stool 14.

Detailed Description

Referring to fig. 1 and 2, the present invention provides a molding press for manufacturing a passive component, including: the automatic feeding device comprises a rack body 1, wherein the rack body 1 is provided with a working table top 101 for placing raw materials, the rack body 1 is provided with a mould pressing plate 2 and a driving device 3 for driving the mould pressing plate 2 to press downwards, the mould pressing plate 2 is correspondingly arranged above the working table top 101, the rack body 1 is provided with a pressure control mechanism for controlling the pressing pressure of the mould pressing plate 2, and the pressure control mechanism comprises a motor oil tank 4 and a variable pump 5 for controlling the output flow of the motor oil tank 4, so that the flow is adjusted at the initial end, and the pressure is more stable; the variable pump 5 is connected to the motor oil tank 4. In the past, a double-contact pressure gauge is generally adopted for a machine table, a motor standard pump is adopted for controlling the pressure, and larger deviation exists; the design adopts a motor configuration variable pump to adjust the output flow of the motor oil tank 4 from the source, and the excessive flow is restrained from flowing through under the condition of ensuring the enough flow. The pressure control mechanism also comprises a pressure detection device 6 for detecting the pressing pressure of the mould pressing plate 2, the detection precision is high, the operator can read the relevant real-time data conveniently, and the subsequent process and the product quality can be improved conveniently; reliable use, prevents the pressure from being too large or too small, and ensures the yield. According to the mould pressing mechanism for manufacturing the passive assembly, the electrical control box is arranged on one side of the rack body, so that the control is convenient; the rack body is a C-shaped rack, and the rack body and the motor oil tank are integrally welded and fixed, and an auxiliary strength plate is added, so that the integral strength of the rack body is improved; the structure is simple, and the production cost is low; the pressure control precision is high, and the pressure display is more accurate and visual; the rack body can guide and prevent deformation, so that the stability and reliability of the whole structure of the molding press are ensured; one side of the frame body is provided with a safety grating for necessary production safety protection of operators; an air-cooled cooler is additionally arranged behind the oil tank to cool the hydraulic oil, so that pressure deviation caused by oil temperature rise is prevented; the design adopts a motor to be provided with a variable pump to adjust the output flow of a motor oil tank from the source, and the excessive flow is restrained from flowing through under the condition of ensuring enough flow; adopt a plurality of tie rods, lead positive board and lead just jointly and make and lead positive effect and greatly promote, make the overall structure guarantee steadily under the state of long-time operation of board, reduce board deformation.

Referring to fig. 1 and 2, the pressure detecting device 6 includes a load cell 601, and the load cell 601 is disposed on the mold pressing plate 2, so that the detecting precision is high. The pressure detecting device 6 further includes a load cell display 602, the load cell display 602 is electrically connected to the load cell 601, and the load cell display 602 is a digital display. The load cell is adopted to detect pressure and the load cell display is used for pressure control and direct display, and the original pointer type display is converted into a digital display type, so that the reading is simpler and more visual. The load cell detection data is not operated through the PLC so as to avoid display errors caused by PLC programming human errors. The load cell display adopts multi-channel output display to feed back the working upper limit, the working lower limit and the alarm information to the PLC for display and setting through a touch screen of the load cell display, and a communication interface is added to read related real-time data by an upper computer, so that the follow-up process and the product quality are conveniently improved, and the use is reliable.

Referring to fig. 1 and 2, the driving device 3 is a master cylinder, a motor oil tank is connected with the master cylinder, and the master cylinder drives the mold pressing plate 2 to lift through a piston rod; an air-cooled cooler 401 is provided on one side of the motor oil tank 4. An air-cooled cooler is added behind the oil tank to cool hydraulic oil, and pressure deviation caused by oil temperature rising is prevented. An upper hot plate 201 and an adjusting heat insulation plate 202 are arranged above the mould pressing plate 2, the adjusting heat insulation plate 202 is arranged between the upper hot plate 201 and the mould pressing plate 2, and the adjusting heat insulation plate 202 is fixed through an adjusting bolt 203. Because the load cell temperature resistant degree is limited, increase the heat insulating board and carry out thermal-insulated processing, through rotatory adjusting bolt nut all around make the quotation reach required flatness, can adjust the mounted position and the level of moulded board and load cell through adjusting the heat insulating board, keep apart the high temperature of passive subassembly mould. The oil control ring at the front end of the oil cylinder and the piston rod thereof in the past adopts the oil control ring which can resist the temperature of-25 to 100 ℃ and the pressure of 140kgf/cm²The temperature resistance is improved to be minus 35 to 100 ℃ and the pressure resistance is 300kgf/cm²And the pressure-resistant degree is greatly improved, so that the pressure-resistant effect of the machine table in the pressure-resistant process is greatly improved.

Referring to fig. 1 and 2, the rack body 1 is provided with a rack guide anti-deformation mechanism, the rack guide anti-deformation mechanism comprises a first guide plate 7, a second guide plate 8 and a connecting rod 9, the first guide plate 7 and the second guide plate 8 are both fixedly arranged on the rack body 1, and the connecting rod 9 penetrates through the first guide plate 7 and the second guide plate 8. The first guide plate 7 is fixedly arranged on the upper seat 102 of the rack body 1, the second guide plate 8 is fixedly arranged on the lower seat 103 of the rack body 1, and the connecting rod 9 is respectively fixed with the first guide plate 7 and the second guide plate 8 through adjusting bolts 901. Adopt a plurality of tie rods, lead positive board and lead just jointly and make and lead positive effect and greatly promote, make the overall structure guarantee steadily under the state of long-time operation of board, reduce board deformation.

Referring to fig. 1, an electrical control box 10 is disposed on one side of the rack body 1, the load cell display 602 is disposed on the electrical control box 10, the electrical control box 10 is provided with a temperature controller 11 and a control switch 12, and the temperature controller 11 is used for controlling the temperature of the upper hot plate 201 above the control platen 2. The temperature required by the production of the passive component die is controlled by the temperature controller, and the control is convenient. The control mode of the control switch is divided into a full-automatic mode and a manual mode, and the upper die can stay in any stroke range through the manual control mode, so that the debugging and the maintenance are facilitated; the pressure and the up-down stroke are controllable, the operation is simple, and the maintenance is easy.

Referring to fig. 1, a safety grating 13 is disposed on one side of the frame body 1 for safety protection of operators. If the mechanism breaks down, the emergency button is pressed down and the safety grating senses, the hydraulic mechanism stops acting, safety of operators and equipment is guaranteed, and the automatic hydraulic mechanism is humanized in design. The motor oil tank, the variable pump, the air-cooled cooler, the safety grating, the load cell display, the temperature controller and the control switch are electrically connected through electric signals of cables. The motor, the oil pump, the main oil cylinder, the load cell, the temperature controller and the safety grating are all implemented by an electric control box control system.

Referring to fig. 1 and 2, the frame body 1 is a C-shaped frame, and the frame body 1 and the motor oil tank 4 are integrally welded and fixed, and an auxiliary reinforcing plate is added to increase the overall strength; a base workbench 104 is arranged at the bottom of the frame body 1, the base workbench 104 is provided with an adjustable plastic steel foot seat 14, and the height level of the machine table can be adjusted by adjusting the plastic steel foot seat; the base workbench 104 is provided with an electric bottom plate 105 for mounting electric components, and the electric components are placed so as to change the idle space at the position in the past, so that the structure is compact, and the utilization rate of the equipment space is high.

The main operation steps of the molding mechanism for manufacturing the passive component of the invention are as follows: the downward pressing action of the main oil cylinder is realized by adopting a hydraulic load cell control system; the motor oil tank, the main oil cylinder, the load cell, the temperature controller and the safety grating are all implemented by an electric control box control system; the production process parameters are preset on a human-computer interface by an operator, a temperature control system is started, the temperature of a production mold is heated to the required temperature through a temperature controller, a production material part is placed in the mold on a workbench surface, a safety grating is separated, an automatic mode is started through an automatic button on an operation box, a main oil cylinder automatically descends and pressurizes to the set pressure, a product is molded through pressure maintaining heating for a period of time, the flow is stopped after the main oil cylinder ascends to the set distance after the set time is reached, the operator takes out a finished product and puts the required raw material of the next mold, and accordingly the circular operation is started.

According to the mould pressing mechanism for manufacturing the passive assembly, the guide effect is greatly improved by adopting the common guide of the plurality of connecting rods and the guide plate, so that the integral structure of a machine table is ensured to be stable in a long-time running state, and the deformation of the machine table is reduced; an electrical control box is arranged on one side of the rack body, so that the control is convenient; the rack body is a C-shaped rack, and the rack body and the motor oil tank are integrally welded and fixed, and an auxiliary reinforcing plate is added, so that the integral strength of the rack body is improved; the structure is simple, and the production cost is low; the pressure control precision is high, and the pressure display is more accurate and visual; the rack body can guide and prevent deformation, so that the stability and reliability of the whole structure of the molding press are ensured; one side of the frame body is provided with a safety grating for necessary production safety protection of operators; an air-cooled cooler is additionally arranged behind the oil tank to cool the hydraulic oil, so that pressure deviation caused by oil temperature rise is prevented; the design adopts the motor to be provided with the variable pump to adjust the output flow of the motor oil tank from the source, and the excessive flow is restrained from flowing through under the condition of ensuring the enough flow.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention.