Servo press capable of switching press-fitting modes

Abstract

The servo pressing machine comprises a pressing machine body, the pressing machine body comprises a bottom plate, a supporting column is fixed to the bottom plate, a punching mechanism is arranged on the top of the supporting column, and the punching mechanism comprises a switchable pressing head assembly. A switchable supporting head assembly is arranged at the position, facing the lower portion of the switchable pressing head assembly, of the bottom plate, press-fitting materials and torque can be switched in time through the switchable pressing head assembly and the switchable supporting head assembly, and multi-press-fitting-mode flexible machining of a single press is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of mechanical processing, and in particular to a servo press capable of switching press-fitting modes. Background Art

[0002] Servo press, also known as servo press or servo press, is a press that uses servo control technology to achieve precision control. The servo press uses a servo motor as the power source, and drives the screw drive system to move through the motor. The servo motor has high precision and high response performance, and can accurately control the position and movement speed of the screw according to the instructions of the control system. During the processing, the servo press uses a pressure sensor to monitor and feedback the pressure changes in real time, and converts the pressure signal into an electrical signal and transmits it to the control system for processing and analysis. The control system calculates the corresponding torque command based on the preset pressure value and the deviation of the feedback signal, and controls the torque through the motor output to keep the required pressure stable during the processing. The servo press is mainly composed of a frame, a head, a workbench, a push rod, a press plate, a servo motor, a motor controller, a reduction transmission, a brake, a position sensor, a programmable controller, a touch screen, a working mechanism, an auxiliary mechanism, etc. These components work together to achieve the precision pressure assembly operation of the servo press. However, some complex parts require multiple press-fitting with different torques and materials during the production process. If a conventional servo press is used, multiple presses will be needed to press-fit in sequence, which requires a high installation space for the servo press, has a high purchase cost for the press, and a complicated press-fitting process.

[0003] A servo press with application publication number CN111531005A discloses a servo press, including a base plate, a support table, four support rods, a cross plate, a loading table, a unloading table, a material taking and unloading mechanism, a material shifting mechanism, a stamping mechanism, an inspection mechanism and a control mechanism. The base plate is arranged horizontally, the support table is fixedly mounted on the upper part of the base plate, the four support rods are respectively fixedly and vertically mounted on the upper four corners of the support table, the cross plate is horizontally and fixedly mounted on the upper ends of the four support rods, the loading table is fixedly mounted on the upper part of the base plate, and the loading table is located on one side of the support table, and the upper part of the loading table also reserves a first station slot, the unloading table is fixedly mounted on the upper part of the base plate, and the unloading table is located on the other side of the support table, and the material taking and unloading mechanism is fixedly mounted on the upper part of the base plate. The present invention has the functions of automatic loading, stamping, inspection and unloading, has a high degree of intelligence, can effectively improve work efficiency and effectively reduce the labor intensity of staff. Summary of the invention

[0004] Some complex parts require multiple press-fitting with different torques and materials during the production process. If a conventional servo press is used, multiple presses will be needed to press-fit in sequence, which requires a high installation space for the servo press, has a high purchase cost for the press, and a complicated press-fitting process.

[0005] In order to solve the above problems, the technical solution adopted by the present invention is: a servo press with switchable press-fitting mode, including a press body, the press body including a bottom plate, a support column fixed on the bottom plate, a stamping mechanism provided on the top of the support column, a switchable press head assembly provided on the stamping mechanism, and a switchable support head assembly provided on the bottom plate facing below the switchable press head assembly. The switchable press head assembly and the switchable support head assembly can be used to switch the press-fitting material and torque in time, so as to realize flexible processing of multiple specifications by a single press.

[0006] As a further improvement of the present invention, the switchable ram assembly includes a ram slide, which is suspended on a ram slide rail, and the ram slide rail includes a support plate and a double-track guide rail. A number of rams of different specifications are fixed on the ram slide, and buffer blockers are provided at both ends of the ram slide to limit the rams at both ends of the ram slide, and an elastic structure is provided on the buffer blocker to buffer the collision of the ram slide.

[0007] As a further improvement of the present invention, a first cylinder is provided on the ram slide rail to control the movement of the ram slide, the first cylinder is fixed to the side of the ram slide rail, and the extendable end of the first cylinder is fixedly connected to the ram slide by a bolt structure. A limit cylinder is provided on the side of the support column, and the limit cylinder can be extended to the top of the ram slide to limit the ram in the middle of the ram slide. There are three rams of different specifications on the ram slide; the first cylinder controls the ram slide to move to different positions. When the buffer blocker at the left end of the ram slide collides with the left end of the ram slide to achieve blocking and limiting, the ram at the right end of the ram slide is in the middle of the ram slide and becomes the ram used by the stamping mechanism; when the buffer blocker at the right end of the ram slide collides with the right end of the ram slide to achieve blocking and limiting, the ram at the left end of the ram slide is in the middle of the ram slide and becomes the ram used by the stamping mechanism; when the limit cylinder on the side of the support column extends to the top of the ram slide, the ram limit in the middle of the ram slide can be fixed in the middle of the ram slide, making it the ram used by the stamping mechanism. Through the first cylinder, the buffer blocker and the limit cylinder cooperate with each other to achieve precise positioning and switching of the three rams on the ram slide.

[0008] As a further improvement of the present invention, the switchable support head assembly includes a support head slide rail, a support head slide is provided on the support head slide rail, a number of support heads of different specifications are fixed on the support head slide, buffer blockers are provided at both ends of the support head slide to limit the support heads at both ends of the support head slide, and an elastic structure is provided on the buffer blocker to buffer the collision of the support head slide.

[0009] As a further improvement of the present invention, a second cylinder is provided on the support head slide rail to control the movement of the support head slide, the second cylinder is fixed on the side of the pressure head slide rail, and the extendable end of the second cylinder is fixedly connected to the pressure head slide rail by a bolt structure. Two support heads of different specifications are provided on the support head slide rail, and the second cylinder controls the support head slide rail to move to different positions. When the buffer blocker at the left end of the support head slide rail collides with the left end of the support head slide rail to achieve blocking and limiting, the support head at the right end of the support head slide rail is in the middle position of the support head slide rail, and becomes the support head used by the stamping mechanism; when the buffer blocker at the right end of the support head slide rail collides with the right end of the support head slide rail to achieve blocking and limiting, the support head at the left end of the support head slide rail is in the middle position of the support head slide rail, and becomes the support head used by the stamping mechanism. The cooperation between the second cylinder and the buffer blockers at both ends of the support head slide rail can realize the precise positioning and switching of the two support heads on the support head slide rail.

[0010] The beneficial effect of the present invention is that in the production process of complex parts, when faced with production needs that require multiple press-fitting of different torques and materials, multiple materials and different torque requirements can be pressed on the same servo press, which is convenient for construction personnel to construct a single complex part, reduces the process flow, and makes the press-fitting process simpler. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is the overall structure diagram of the present invention.

[0012] Figure 2 It is the front view of the present invention.

[0013] In the figure, 1 is a base plate, 2 is a support column, 3 is a stamping mechanism, 4 is a ram slide rail, 5 is a ram slide table, 6 is a ram, 7 is a first cylinder, 8 is a limit cylinder, 9 is a buffer blocker, 10 is a support head slide rail, 11 is a support head slide table, 12 is a support head, 13 is a second cylinder, 14 is a spring, and 15 is an infrared sensor. DETAILED DESCRIPTION

[0014] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0015] Embodiment 1: Figure 1As shown, a servo press with switchable press-fitting mode includes a press body, the press body includes a base plate 1, a support column 2 is fixed on the base plate 1, a stamping mechanism 3 is provided on the top of the support column 2, the stamping mechanism 3 includes a switchable press head assembly, and a switchable support head assembly is provided at a position of the base plate 1 facing below the switchable press head assembly. Servo presses are widely used in many industries such as automobiles, motors, electronics, home appliances, and machinery. In the automotive industry, servo presses are used for press-fitting of engine assemblies, steering gear assemblies, transmission shaft assemblies and other components; in the motor industry, servo presses are used for press-fitting of micromotor assemblies and motor assemblies; in the electronics and home appliance industries, servo presses are used for press-fitting and riveting of circuit board assemblies, electronic components, and home appliance accessories. In addition, servo presses are also suitable for other occasions that require precise CNC press-fitting displacement and press-fitting force. The working principle of the servo press is to drive a high-precision ball screw through a servo motor to perform precise pressure assembly operations. During the press assembly process, the servo motor accurately controls the rotation angle and speed of the ball screw according to the preset program and control instructions, thereby achieving precise position control and pressure output of the press head. The highly sensitive pressure sensor installed at the front end of the press head can collect pressure data in real time, and realize precise pressure adjustment and monitoring through a closed-loop control system. When using a servo press for processing, many factors need to be considered. Pressure demand: Determine the sufficient pressure range that the servo press can provide based on the nature and process requirements of the workpiece being processed. Accuracy requirements: Pay attention to the pressure control accuracy and position control accuracy of the servo press to meet the needs of high-precision press assembly. Speed ​​and efficiency: Consider the needs of production efficiency and choose a servo press with high-speed response and fast positioning capabilities. Control function: Select a servo press with functions such as multi-stage pressure control, displacement control, and holding time control according to process requirements. Stability and reliability: Understand the manufacturing quality, brand reputation, and user reviews of the equipment, and choose products with high stability and reliability. Therefore, servo presses of different specifications are required in different processing occasions and application scenarios. Some complex parts require multiple press-fitting with different torques and materials during production. If a conventional servo press is used, multiple presses are required to press-fit in sequence, which requires a high installation space for the servo press, high press purchase costs, and complex press-fitting processes. The switchable press head assembly and switchable support head assembly provided by the present invention can switch the press-fitting materials and torques in time, and realize flexible processing of multiple specifications with a single press.

[0016] As a further improvement of the present invention, the switchable ram assembly includes a ram slide 5, which is suspended on a ram slide rail 4, on which three rams 6 of different specifications are fixed, and buffer blockers 9 are provided at both ends of the ram slide rail 4 to limit the rams 6 at both ends of the ram slide 5, and a first cylinder 7 is provided on the ram slide rail 4 to control the movement of the ram slide 5. A limiting cylinder 8 is provided on the side of the support column 2, and the limiting cylinder 8 can extend above the ram slide 5 to limit the ram 6 in the middle of the ram slide 5. Three rams 6 of different specifications are arranged on the ram slide 5; the first cylinder 7 controls the ram slide 5 to move to different positions, and the first cylinder 7 extends to make the ram slide 5 move to the left. When the buffer blocker 9 at the left end of the ram slide rail 4 collides with the left end of the ram slide 5 to achieve blocking limit, the ram 6 at the right end of the ram slide 5 is in the middle position of the ram slide rail 4 and becomes the ram 6 used by the stamping mechanism 3; when the first cylinder 7 contracts, the ram slide 5 moves to the right. When the buffer blocker 9 at the right end of the ram slide rail 4 collides with the right end of the ram slide 5 to achieve blocking limit, the ram 6 at the right end of the ram slide 5 is in the middle position of the ram slide rail 4 and becomes the ram 6 used by the stamping mechanism 3. When the pressure head 6 at the left end of the pressure head slide 5 is in the middle of the pressure head slide rail 4, it becomes the pressure head 6 used by the stamping mechanism 3; the first cylinder 7 extends first to move the pressure head slide 5 to the leftmost side of the pressure head slide rail 4, and when the limit cylinder 8 on the side of the support column 2 extends to the top of the pressure head slide 5, the first cylinder 7 contracts, so that the pressure head slide 5 moves to the right and is blocked and limited by the limit cylinder 8, so that the pressure head 6 in the middle of the pressure head slide 5 can be limited and fixed in the middle of the pressure head slide rail 4, so that it becomes the pressure head 6 used by the stamping mechanism 3. Through the first cylinder 7, the buffer blocker 9 and the limit cylinder 8 cooperate with each other to achieve accurate positioning and switching of the three pressure heads 6 on the pressure head slide 5.

[0017] As a further improvement of the present invention, the switchable support head assembly includes a support head slide rail 10, a support head slide 11 is provided on the support head slide rail 10, two support heads 12 of different specifications are fixed on the support head slide 11, buffer blockers 9 are provided at both ends of the support head slide rail 10 to limit the support heads 12 at both ends of the support head slide 11, and a second cylinder 13 is provided on the support head slide rail 10 to control the movement of the support head slide 11. Two support heads 12 of different specifications are arranged on the support head slide 11. The second cylinder 13 controls the support head slide 11 to move to different positions. When the second cylinder 13 extends, the support head slide 11 moves to the left. When the buffer blocker 9 at the left end of the support head slide rail 10 collides with the left end of the support head slide 11 to achieve blocking and limiting, the support head 12 at the right end of the support head slide 11 is in the middle of the support head slide rail 10, and becomes the support head 12 used by the stamping mechanism 3; when the second cylinder 13 contracts, the support head slide 11 moves to the right. When the buffer blocker 9 at the right end of the support head slide rail 10 collides with the right end of the support head slide 11 to achieve blocking and limiting, the support head 12 at the left end of the support head slide 11 is in the middle of the support head slide rail 10, and becomes the support head 12 used by the stamping mechanism 3. The precise positioning and switching of the two support heads 12 on the support head slide 11 can be achieved through the cooperation between the second cylinder 13 and the buffer blockers 9 at both ends of the support head slide rail 10.

[0018] The present invention realizes the pressing of multiple materials and different torque requirements on the same servo press through a switchable pressing head assembly and a switchable supporting head assembly. The present invention has high compatibility, and can switch to be compatible with multiple materials and torque requirements on the same press; at the same time, it reduces the working space. Conventional servo presses require three press substations to process three materials, but now only one press is needed to operate at the same station; this can reduce the fatigue of operators, and compared with the three press substations in the original mode, the operators' back and forth walking and material picking and placing operations are reduced; at the same time, production efficiency is improved. Compared with the three press substations in the original mode, the front station operators' back and forth walking and multiple material picking and placing operations are reduced, thereby reducing the production cycle by about 30s, and production efficiency is improved.

[0019] Embodiment 2: Figure 1As shown, a servo press with switchable press-fitting mode includes a press body, the press body includes a base plate 1, a support column 2 is fixed on the base plate 1, a stamping mechanism 3 is provided on the top of the support column 2, the stamping mechanism 3 includes a switchable press head assembly, and a switchable support head assembly is provided at a position of the base plate 1 facing below the switchable press head assembly. Servo presses are widely used in many industries such as automobiles, motors, electronics, home appliances, and machinery. In the automotive industry, servo presses are used for press-fitting of engine assemblies, steering gear assemblies, transmission shaft assemblies and other components; in the motor industry, servo presses are used for press-fitting of micromotor assemblies and motor assemblies; in the electronics and home appliance industries, servo presses are used for press-fitting and riveting of circuit board assemblies, electronic components, and home appliance accessories. In addition, servo presses are also suitable for other occasions that require precise CNC press-fitting displacement and press-fitting force. The working principle of the servo press is to drive a high-precision ball screw through a servo motor to perform precise pressure assembly operations. During the press assembly process, the servo motor accurately controls the rotation angle and speed of the ball screw according to the preset program and control instructions, thereby achieving precise position control and pressure output of the press head. The highly sensitive pressure sensor installed at the front end of the press head can collect pressure data in real time, and realize precise pressure adjustment and monitoring through a closed-loop control system. When using a servo press for processing, many factors need to be considered. Pressure demand: Determine the sufficient pressure range that the servo press can provide based on the nature and process requirements of the workpiece being processed. Accuracy requirements: Pay attention to the pressure control accuracy and position control accuracy of the servo press to meet the needs of high-precision press assembly. Speed ​​and efficiency: Consider the needs of production efficiency and choose a servo press with high-speed response and fast positioning capabilities. Control function: Select a servo press with functions such as multi-stage pressure control, displacement control, and holding time control according to process requirements. Stability and reliability: Understand the manufacturing quality, brand reputation, and user reviews of the equipment, and choose products with high stability and reliability. Therefore, servo presses of different specifications are required in different processing occasions and application scenarios. Some complex parts require multiple press-fitting with different torques and materials during production. If a conventional servo press is used, multiple presses are required to press-fit in sequence, which requires a high installation space for the servo press, high press purchase costs, and complex press-fitting processes. The switchable press head assembly and switchable support head assembly provided by the present invention can switch the press-fitting materials and torques in time, and realize flexible processing of multiple specifications with a single press.

[0020] As a further improvement of the present invention, the switchable ram assembly includes a ram slide 5, which is suspended on a ram slide rail 4, on which three rams 6 of different specifications are fixed, and buffer blockers 9 are provided at both ends of the ram slide rail 4 to limit the rams 6 at both ends of the ram slide 5, and a first cylinder 7 is provided on the ram slide rail 4 to control the movement of the ram slide 5. A limiting cylinder 8 is provided on the side of the support column 2, and the limiting cylinder 8 can extend above the ram slide 5 to limit the ram 6 in the middle of the ram slide 5. Three rams 6 of different specifications are arranged on the ram slide 5; the first cylinder 7 controls the ram slide 5 to move to different positions, and the first cylinder 7 extends to make the ram slide 5 move to the left. When the buffer blocker 9 at the left end of the ram slide rail 4 collides with the left end of the ram slide 5 to achieve blocking limit, the ram 6 at the right end of the ram slide 5 is in the middle position of the ram slide rail 4 and becomes the ram 6 used by the stamping mechanism 3; when the first cylinder 7 contracts, the ram slide 5 moves to the right. When the buffer blocker 9 at the right end of the ram slide rail 4 collides with the right end of the ram slide 5 to achieve blocking limit, the ram 6 at the right end of the ram slide 5 is in the middle position of the ram slide rail 4 and becomes the ram 6 used by the stamping mechanism 3. When the pressure head 6 at the left end of the pressure head slide 5 is in the middle of the pressure head slide rail 4, it becomes the pressure head 6 used by the stamping mechanism 3; the first cylinder 7 extends first to move the pressure head slide 5 to the leftmost side of the pressure head slide rail 4, and when the limit cylinder 8 on the side of the support column 2 extends to the top of the pressure head slide 5, the first cylinder 7 contracts, so that the pressure head slide 5 moves to the right and is blocked and limited by the limit cylinder 8, so that the pressure head 6 in the middle of the pressure head slide 5 can be limited and fixed in the middle of the pressure head slide rail 4, so that it becomes the pressure head 6 used by the stamping mechanism 3. Through the first cylinder 7, the buffer blocker 9 and the limit cylinder 8 cooperate with each other to achieve accurate positioning and switching of the three pressure heads 6 on the pressure head slide 5.

[0021] As a further improvement of the present invention, different from the first embodiment, in order to prevent the material after pressing from being lifted up along with the pressing head 6, a spring 14 is installed on the pressing head 6 tooling, so that the product after pressing can be restored by the spring 14 to withdraw from the pressing head 6, and the product assembly remains on the support head 12 tooling.

[0022] As a further improvement of the present invention, the switchable support head assembly includes a support head slide rail 10, a support head slide 11 is provided on the support head slide rail 10, two support heads 12 of different specifications are fixed on the support head slide 11, buffer blockers 9 are provided at both ends of the support head slide rail 10 to limit the support heads 12 at both ends of the support head slide 11, and a second cylinder 13 is provided on the support head slide rail 10 to control the movement of the support head slide 11. Two support heads 12 of different specifications are arranged on the support head slide 11. The second cylinder 13 controls the support head slide 11 to move to different positions. When the second cylinder 13 extends, the support head slide 11 moves to the left. When the buffer blocker 9 at the left end of the support head slide rail 10 collides with the left end of the support head slide 11 to achieve blocking and limiting, the support head 12 at the right end of the support head slide 11 is in the middle of the support head slide rail 10, and becomes the support head 12 used by the stamping mechanism 3; when the second cylinder 13 contracts, the support head slide 11 moves to the right. When the buffer blocker 9 at the right end of the support head slide rail 10 collides with the right end of the support head slide 11 to achieve blocking and limiting, the support head 12 at the left end of the support head slide 11 is in the middle of the support head slide rail 10, and becomes the support head 12 used by the stamping mechanism 3. The precise positioning and switching of the two support heads 12 on the support head slide 11 can be achieved through the cooperation between the second cylinder 13 and the buffer blockers 9 at both ends of the support head slide rail 10.

[0023] The present invention realizes the pressing of multiple materials and different torque requirements on the same servo press through a switchable pressing head assembly and a switchable supporting head assembly. The present invention has high compatibility, and can switch to be compatible with multiple materials and torque requirements on the same press; at the same time, it reduces the working space. Conventional servo presses require three press substations to process three materials, but now only one press is needed to operate at the same station; this can reduce the fatigue of operators, and compared with the three press substations in the original mode, the operators' back and forth walking and material picking and placing operations are reduced; at the same time, production efficiency is improved. Compared with the three press substations in the original mode, the front station operators' back and forth walking and multiple material picking and placing operations are reduced, thereby reducing the production cycle by about 30s, and production efficiency is improved.

[0024] Embodiment 3: Figure 1As shown, a servo press with switchable press-fitting mode includes a press body, the press body includes a base plate 1, a support column 2 is fixed on the base plate 1, a stamping mechanism 3 is provided on the top of the support column 2, the stamping mechanism 3 includes a switchable press head assembly, and a switchable support head assembly is provided at a position of the base plate 1 facing below the switchable press head assembly. Servo presses are widely used in many industries such as automobiles, motors, electronics, home appliances, and machinery. In the automotive industry, servo presses are used for press-fitting of engine assemblies, steering gear assemblies, transmission shaft assemblies and other components; in the motor industry, servo presses are used for press-fitting of micromotor assemblies and motor assemblies; in the electronics and home appliance industries, servo presses are used for press-fitting and riveting of circuit board assemblies, electronic components, and home appliance accessories. In addition, servo presses are also suitable for other occasions that require precise CNC press-fitting displacement and press-fitting force. The working principle of the servo press is to drive a high-precision ball screw through a servo motor to perform precise pressure assembly operations. During the press assembly process, the servo motor accurately controls the rotation angle and speed of the ball screw according to the preset program and control instructions, thereby achieving precise position control and pressure output of the press head. The highly sensitive pressure sensor installed at the front end of the press head can collect pressure data in real time, and realize precise pressure adjustment and monitoring through a closed-loop control system. When using a servo press for processing, many factors need to be considered. Pressure demand: Determine the sufficient pressure range that the servo press can provide based on the nature and process requirements of the workpiece being processed. Accuracy requirements: Pay attention to the pressure control accuracy and position control accuracy of the servo press to meet the needs of high-precision press assembly. Speed ​​and efficiency: Consider the needs of production efficiency and choose a servo press with high-speed response and fast positioning capabilities. Control function: Select a servo press with functions such as multi-stage pressure control, displacement control, and holding time control according to process requirements. Stability and reliability: Understand the manufacturing quality, brand reputation, and user reviews of the equipment, and choose products with high stability and reliability. Therefore, servo presses of different specifications are required in different processing occasions and application scenarios. Some complex parts require multiple press-fitting with different torques and materials during production. If a conventional servo press is used, multiple presses are required to press-fit in sequence, which requires a high installation space for the servo press, high press purchase costs, and complex press-fitting processes. The switchable press head assembly and switchable support head assembly provided by the present invention can switch the press-fitting materials and torques in time, and realize flexible processing of multiple specifications with a single press.

[0025] As a further improvement of the present invention, the switchable ram assembly includes a ram slide 5, which is suspended on a ram slide rail 4, on which three rams 6 of different specifications are fixed, and buffer blockers 9 are provided at both ends of the ram slide rail 4 to limit the rams 6 at both ends of the ram slide 5, and a first cylinder 7 is provided on the ram slide rail 4 to control the movement of the ram slide 5. A limiting cylinder 8 is provided on the side of the support column 2, and the limiting cylinder 8 can extend above the ram slide 5 to limit the ram 6 in the middle of the ram slide 5. Three rams 6 of different specifications are arranged on the ram slide 5; the first cylinder 7 controls the ram slide 5 to move to different positions, and the first cylinder 7 extends to make the ram slide 5 move to the left. When the buffer blocker 9 at the left end of the ram slide rail 4 collides with the left end of the ram slide 5 to achieve blocking limit, the ram 6 at the right end of the ram slide 5 is in the middle position of the ram slide rail 4 and becomes the ram 6 used by the stamping mechanism 3; when the first cylinder 7 contracts, the ram slide 5 moves to the right. When the buffer blocker 9 at the right end of the ram slide rail 4 collides with the right end of the ram slide 5 to achieve blocking limit, the ram 6 at the right end of the ram slide 5 is in the middle position of the ram slide rail 4 and becomes the ram 6 used by the stamping mechanism 3. When the pressure head 6 at the left end of the pressure head slide 5 is in the middle of the pressure head slide rail 4, it becomes the pressure head 6 used by the stamping mechanism 3; the first cylinder 7 extends first to move the pressure head slide 5 to the leftmost side of the pressure head slide rail 4, and when the limit cylinder 8 on the side of the support column 2 extends to the top of the pressure head slide 5, the first cylinder 7 contracts, so that the pressure head slide 5 moves to the right and is blocked and limited by the limit cylinder 8, so that the pressure head 6 in the middle of the pressure head slide 5 can be limited and fixed in the middle of the pressure head slide rail 4, so that it becomes the pressure head 6 used by the stamping mechanism 3. Through the first cylinder 7, the buffer blocker 9 and the limit cylinder 8 cooperate with each other to achieve accurate positioning and switching of the three pressure heads 6 on the pressure head slide 5.

[0026] As a further improvement of the present invention, different from the first embodiment, in order to prevent the material after pressing from being lifted up along with the pressing head 6, a spring 14 is installed on the pressing head 6 tooling, so that the product after pressing can be restored by the spring 14 to withdraw from the pressing head 6, and the product assembly remains on the support head 12 tooling.

[0027] As a further improvement of the present invention, the switchable support head assembly includes a support head slide rail 10, a support head slide 11 is provided on the support head slide rail 10, two support heads 12 of different specifications are fixed on the support head slide 11, buffer blockers 9 are provided at both ends of the support head slide rail 10 to limit the support heads 12 at both ends of the support head slide 11, and a second cylinder 13 is provided on the support head slide rail 10 to control the movement of the support head slide 11. Two support heads 12 of different specifications are arranged on the support head slide 11. The second cylinder 13 controls the support head slide 11 to move to different positions. When the second cylinder 13 extends, the support head slide 11 moves to the left. When the buffer blocker 9 at the left end of the support head slide rail 10 collides with the left end of the support head slide 11 to achieve blocking and limiting, the support head 12 at the right end of the support head slide 11 is in the middle of the support head slide rail 10, and becomes the support head 12 used by the stamping mechanism 3; when the second cylinder 13 contracts, the support head slide 11 moves to the right. When the buffer blocker 9 at the right end of the support head slide rail 10 collides with the right end of the support head slide 11 to achieve blocking and limiting, the support head 12 at the left end of the support head slide 11 is in the middle of the support head slide rail 10, and becomes the support head 12 used by the stamping mechanism 3. The precise positioning and switching of the two support heads 12 on the support head slide 11 can be achieved through the cooperation between the second cylinder 13 and the buffer blockers 9 at both ends of the support head slide rail 10.

[0028] As a further improvement of the present invention, different from the first and second embodiments, as Figure 2 As shown, an infrared sensor 15 is provided at the side of the support column 2 flush with the pressure head 6 and the support head 12 to detect the positions of the support head 12 and the pressure head 6. Pressing is allowed only when the positions are aligned. The detection of the infrared sensor 15 is used to prevent production accidents caused by faults such as misalignment of the slide rail and slide table, and to prevent accidents that cause damage to the pressure head 6 and the support head 12.

[0029] The present invention realizes the pressing of multiple materials and different torque requirements on the same servo press through a switchable pressing head assembly and a switchable supporting head assembly. The present invention has high compatibility, and can switch to be compatible with multiple materials and torque requirements on the same press; at the same time, it reduces the working space. Conventional servo presses require three press substations to process three materials, but now only one press is needed to operate at the same station; this can reduce the fatigue of operators, and compared with the three press substations in the original mode, the operators' back and forth walking and material picking and placing operations are reduced; at the same time, production efficiency is improved. Compared with the three press substations in the original mode, the front station operators' back and forth walking and multiple material picking and placing operations are reduced, thereby reducing the production cycle by about 30s, and production efficiency is improved.

[0030] The above specific embodiments are only preferred implementations of the present invention, and are not intended to limit the specific implementation structure and implementation scope of the present invention. In fact, some equivalent changes can also be made according to the shape, structure and design purpose of the present invention. Therefore, all equivalent changes made according to the shape, structure and design purpose of the present invention should be included in the protection scope of the present invention, that is, these equivalent changes should be protected by the present invention.

Claims

1. A servo press capable of switching press modes, characterized in that: It includes a press body, which includes a base plate, a support column is fixed on the base plate, a stamping mechanism is provided on the top of the support column, the stamping mechanism includes a switchable pressure head assembly, and a switchable support head assembly is provided at a position of the base plate facing below the switchable pressure head assembly.

2. The servo press with switchable press-fitting modes according to claim 1, characterized in that: The switchable ram assembly comprises a ram slide, which is suspended on a ram slide rail, and the ram slide rail comprises a support plate and a double-track guide rail.

3. The servo press with switchable press-fitting modes according to claim 2, characterized in that: A plurality of pressure heads of different specifications are fixed on the pressure head slide, and the pressure heads are fixed on the pressure head slide by a bolt structure.

4. The servo press with switchable press-fitting modes according to claim 1, characterized in that: The switchable supporting head assembly comprises a supporting head slide rail, on which a supporting head slide platform is arranged.

5. The servo press with switchable press-fitting modes according to claim 4, characterized in that: A plurality of support heads of different specifications are fixed on the support head slide, and the support heads are fixed on the support head slide by a bolt structure.

6. The servo press with switchable press-fitting modes according to claim 2, characterized in that: Buffer blockers are provided at both ends of the pressure head slide rail to limit the pressure heads at both ends of the pressure head slide, and the buffer blockers are provided with elastic structures to buffer the collision of the pressure head slide.

7. The servo press with switchable press-fitting modes according to claim 2 or 6, characterized in that: A first cylinder is provided on the pressure head slide rail to control the movement of the pressure head slide platform. The first cylinder is fixed to the side of the pressure head slide rail, and the extendable end of the first cylinder is fixedly connected to the pressure head slide platform through a bolt structure.

8. The servo press with switchable press-fitting modes according to claim 4, characterized in that: Buffer blockers are provided at both ends of the support head slide rail to limit the support heads at both ends of the support head slide, and the buffer blockers are provided with elastic structures to buffer the collision of the support head slide.

9. The servo press with switchable press-fitting modes according to claim 4 or 8, characterized in that: A second cylinder is provided on the support head slide rail to control the movement of the support head slide, the second cylinder is fixed to the side of the pressure head slide rail, and the extendable end of the second cylinder is fixedly connected to the pressure head slide by a bolt structure.

10. The servo press with switchable press-fitting modes according to claim 1, characterized in that: A limiting cylinder is provided on the side of the support column, and the limiting cylinder can be extended to the top of the pressure head slide to limit the pressure head in the middle of the pressure head slide.

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