Servo toggle type press machine

Abstract

The invention discloses a servo toggle type press machine which comprises a machine body. A power mechanism is arranged at the top of the machine body; the power mechanism comprises a driving assembly, a power arm, a toggle transmission part, a connecting rod and a press sliding seat; one end of the power arm is connected with the driving assembly, and the other end of the power arm is hinged to one end of the toggle transmission piece. The other end of the toggle transmission piece is hinged with one end of the connecting rod; and the other end of the connecting rod is hinged with the press sliding seat. The design of the power mechanism is optimized, particularly, the toggle transmission piece and the supporting shaft are connected through the sliding bearing, the detection mechanism is arranged to monitor the temperature of the sliding bearing in real time, friction loss and heat accumulation in the transmission process are effectively reduced, and therefore the transmission efficiency and the overall stability of equipment are improved; by means of the design, part abrasion and faults caused by too high temperature can be found and prevented in time, and the service life of equipment is prolonged.

Description

Technical Field

[0001] The invention relates to the technical field of presses, in particular to a servo toggle press. Background Art

[0002] As an important mechanical equipment, the toggle press is widely used in various stamping, forging and forming processes. The traditional toggle press is relatively simple in design and mainly relies on mechanical transmission to achieve power output. However, during long-term and high-frequency operation, various problems are prone to occur, such as component wear, lubrication failure caused by temperature rise, and low transmission efficiency.

[0003] In the prior art, a toggle press usually includes basic components such as a machine body, a power mechanism, and a press slide. The power mechanism transmits power to the press slide through a series of transmission components to achieve the stamping operation of the workpiece. However, during long-term operation, these transmission components will cause temperature rise due to friction and load changes, which will affect the lubrication effect and transmission efficiency, and may even cause failures.

[0004] Especially at the connection between the toggle transmission and the support shaft, wear and temperature rise are prone to occur due to the large torque and radial force. If there is a lack of effective temperature monitoring means, once the temperature is too high, it will not only accelerate the wear of the components, but also cause the deterioration of the lubricating oil, further affecting the stability and service life of the equipment.

[0005] In addition, the lubrication system of existing elbow-jointed presses is often simply designed and lacks effective monitoring and protection of key lubrication points. For example, the connection between the drive assembly and the power arm, the hinge between the power arm and the elbow transmission part, the hinge between the elbow transmission part and the connecting rod, the hinge between the connecting rod and the press slide, and the connection between the press slide and the body, etc. These parts require good lubrication to maintain their normal operation due to frequent movement and friction. However, traditional lubrication systems are often unable to accurately lubricate these key parts, nor can they monitor the temperature and oil level of the lubricating oil in real time, making it difficult to ensure the long-term stable operation of the equipment.

[0006] In addition, the design of the drive assembly also directly affects the performance and stability of the toggle press. Traditional drive assemblies usually use a single drive motor and eccentric shaft structure. This design is prone to overload and wear of the drive motor when the load changes greatly, thus affecting the overall performance of the equipment.

[0007] Therefore, it is necessary to design a toggle press to overcome the above-mentioned technical defects. Summary of the invention

[0008] The purpose of the present invention is to provide a servo toggle press machine in view of the deficiencies of the prior art.

[0009] The technical solution of the present invention is: a servo elbow-joint press, comprising a machine body; a power mechanism is provided on the top of the machine body; the power mechanism comprises a driving assembly, a power arm, an elbow-joint transmission member, a connecting rod and a press slide; one end of the power arm is connected to the driving assembly, and the other end is hinged to one end of the elbow-joint transmission member; the other end of the elbow-joint transmission member is hinged to one end of the connecting rod; the other end of the connecting rod is hinged to the press slide; the press slide is slidably connected to the machine body; the elbow-joint transmission member is rotatably connected to the machine body through a support shaft, and the elbow-joint transmission member and the support shaft are connected through a sliding bearing; a detection mechanism for detecting the temperature of the sliding bearing is provided on the elbow-joint transmission member.

[0010] It also includes a lubrication mechanism; the lubrication mechanism is used to lubricate the connection between the drive assembly and the power arm, the hinge between the power arm and the elbow transmission member, the hinge between the elbow transmission member and the connecting rod, the hinge between the connecting rod and the press slide, and the connection between the press slide and the machine body.

[0011] The oil suction port of the lubricating mechanism is provided with two identical filters.

[0012] The lubricating mechanism also has an oil temperature detection device and a high and low oil level detection device.

[0013] The oil temperature detection device and the high and low oil level detection device are respectively a first temperature sensor and an oil level sensor.

[0014] The detection mechanism is a second temperature sensor.

[0015] The driving assembly comprises a driving motor and an eccentric shaft; the eccentric shaft is rotatably connected to the power arm; a driving shaft with two ends extending out of the eccentric shaft (2-1-2) is arranged inside the eccentric shaft; the driving motors are symmetrically arranged at two ends of the driving shaft, and the two driving motors are fixedly connected to the two driving shafts respectively.

[0016] The machine body adopts a four-horizontal and four-vertical frame structure.

[0017] The drive motor is a servo drive motor.

[0018] It also includes a broken shaft protection mechanism; the broken shaft protection mechanism includes a displacement sensor, a controller and a circuit breaker; the displacement sensor, the controller and the circuit breaker are all electrically connected to the controller; a mounting bracket for the displacement sensor is provided on the toggle transmission member; and a scale mark is provided on the toggle transmission member at the corresponding mounting bracket.

[0019] By adopting the above technical solution, the present invention has the following beneficial effects: (1) The present invention optimizes the design of the power mechanism, especially adopts a sliding bearing connection between the toggle transmission member and the support shaft, and sets a detection mechanism to monitor the temperature of the sliding bearing in real time, thereby effectively reducing the friction loss and heat accumulation in the transmission process, thereby improving the transmission efficiency and the overall stability of the equipment; this design helps to timely detect and prevent component wear and failure caused by excessive temperature, thereby extending the service life of the equipment.

[0020] (2) The present invention adds a lubrication mechanism to accurately lubricate key transmission parts, effectively reducing friction and wear between components and improving the operating efficiency and accuracy of the equipment; at the same time, the lubrication mechanism is equipped with a filter, an oil temperature detection device, and a high and low oil level detection device, which further ensures the cleanliness and proper supply of the lubricating oil, thereby improving the reliability and durability of the equipment.

[0021] (3) The drive assembly of the present invention adopts a dual drive motor and drive shaft design, which not only improves the stability and controllability of power output, but also enhances the load capacity and adaptability of the equipment; in particular, the use of a servo drive motor realizes precise control and adjustment of power output, meeting the efficient and stable operation under different process requirements.

[0022] (4) The machine body of the present invention adopts a four-horizontal and four-vertical frame structure, which enhances the overall rigidity and stability of the equipment and improves its anti-deformation ability; this design helps to ensure that the equipment can still maintain good processing accuracy and stability under high-pressure and high-frequency operating environments.

[0023] (5) The present invention realizes real-time monitoring and protection of the operating status of the toggle transmission parts by introducing a broken shaft protection mechanism; once abnormal displacement or breakage is detected, the circuit breaker is immediately triggered to cut off the power supply, effectively avoiding equipment failures and safety accidents caused by component damage, thereby improving the safety and reliability of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to make the contents of the present invention more clearly understood, the present invention is further described in detail below based on specific embodiments in conjunction with the accompanying drawings.

[0025] Figure 1 It is a structural schematic diagram of the present invention.

[0026] Figure 2 It is a structural schematic diagram of the power mechanism of the present invention.

[0027] Figure 3 It is a structural schematic diagram of the toggle transmission component of the present invention.

[0028] Figure 4 It is a schematic diagram of the structure of the driving assembly of the present invention.

[0029] Figure 5 It is a schematic diagram of the structural circuit of the lubrication mechanism of the present invention.

[0030] The reference numerals in the accompanying drawings are:

[0031] Machine body 1, power mechanism 2, driving assembly 2-1, driving motor 2-1-1, eccentric shaft 2-1-2, driving shaft 2-1-3, power arm 2-2, elbow transmission part 2-3, connecting rod 2-4, press slide 2-5, supporting shaft 2-6, detection mechanism 3, lubrication mechanism 4, filter 4-1, oil temperature detection device 4-2, high and low oil level detection device 4-3, mounting bracket 5, scale mark 6. DETAILED DESCRIPTION

[0032] (Example 1)

[0033] See Figures 1 to 5 A servo elbow press of the present embodiment comprises a machine body 1; a power mechanism 2 is provided on the top of the machine body 1; the power mechanism 2 comprises a driving assembly 2-1, a power arm 2-2, an elbow transmission member 2-3, a connecting rod 2-4 and a press slide 2-5; one end of the power arm 2-2 is connected to the driving assembly 2-1, and the other end is hinged to one end of the elbow transmission member 2-3; the other end of the elbow transmission member 2-3 is hinged to one end of the connecting rod 2-4; the other end of the connecting rod 2-4 is hinged to the press slide 2-5; the press slide 2-5 is slidably connected to the machine body 1; the elbow transmission member 2-3 is rotatably connected to the machine body 1 through a support shaft 2-6, and the elbow transmission member 2-3 and the support shaft 2-6 are connected through a sliding bearing; a detection mechanism 3 for detecting the temperature of the sliding bearing is provided on the elbow transmission member 2-3.

[0034] Furthermore, it also includes a lubrication mechanism 4; the lubrication mechanism 4 is used to lubricate the connection between the drive assembly 2-1 and the power arm 2-2, the hinge between the power arm 2-2 and the elbow transmission member 2-3, the hinge between the elbow transmission member 2-3 and the connecting rod 2-4, the hinge between the connecting rod 2-4 and the press slide 2-5, and the connection between the press slide 2-5 and the body 1.

[0035] Furthermore, the oil suction port of the lubricating mechanism 4 is provided with two identical filters 4 - 1 , which not only has an oil suction blockage alarm system, but also can replace the filter 4 - 1 without stopping the machine for uninterrupted operation.

[0036] Furthermore, the lubrication mechanism 4 also has an oil temperature detection device 4-2 and a high and low oil level detection device 4-3.

[0037] Furthermore, the oil temperature detection device 4-2 and the high and low oil level detection device 4-3 are respectively a first temperature sensor and an oil level sensor.

[0038] Furthermore, the detection mechanism 3 is a second temperature sensor.

[0039] Furthermore, the driving assembly 2-1 includes a driving motor 2-1-1 and an eccentric shaft 2-1-2; the eccentric shaft 2-1-2 is rotatably connected to the power arm 2-2; a driving shaft 2-1-3 with two ends extending out of the eccentric shaft (2-1-2) is provided inside the eccentric shaft 2-1-2; the driving motor 2-1-1 is symmetrically arranged at both ends of the driving shaft 2-1-3, and the two driving motors 2-1-1 are fixedly connected to the two driving shafts 2-1-3 respectively; the eccentric shaft 2-1-2 is sleeved on the outside of the driving shaft 2-1-3, and the synchronous rotation of the eccentric body 2-1-2 and the driving shaft 2-1-3 is fixed by a spline or an expansion sleeve.

[0040] Furthermore, the machine body 1 adopts a four-horizontal and four-vertical frame structure.

[0041] Furthermore, the drive motor 2-1-1 is a servo drive motor.

[0042] Furthermore, it also includes a broken shaft protection mechanism; the broken shaft protection mechanism includes a displacement sensor, a controller and a circuit breaker; the displacement sensor, controller and circuit breaker are all electrically connected to the controller; a mounting bracket 5 for the displacement sensor is provided on the toggle transmission member 2-3; a scale mark 6 is provided on the toggle transmission member 2-3 corresponding to the mounting bracket 5.

[0043] The toggle press of the present embodiment is a servo toggle press, which has achieved significant improvements in transmission efficiency, lubrication effect, driving performance, body structure and safety protection, providing more efficient, stable and safe stamping processing equipment for modern manufacturing industry.

[0044] The specific embodiments described above further illustrate the objectives, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A servo toggle press, characterized in that: The invention comprises a machine body (1); a power mechanism (2) is arranged on the top of the machine body (1); the power mechanism (2) comprises a driving assembly (2-1), a power arm (2-2), a toggle transmission member (2-3), a connecting rod (2-4) and a press slide seat (2-5); one end of the power arm (2-2) is connected to the driving assembly (2-1), and the other end is hinged to one end of the toggle transmission member (2-3); the other end of the toggle transmission member (2-3) is hinged to the connecting rod (2-4). 4); the other end of the connecting rod (2-4) is hinged to the press slide (2-5); the press slide (2-5) is slidably connected to the machine body (1); the toggle transmission member (2-3) is rotatably connected to the machine body (1) via a support shaft (2-6), and the toggle transmission member (2-3) and the support shaft (2-6) are connected via a sliding bearing; the toggle transmission member (2-3) is provided with a detection mechanism (3) for detecting the temperature of the sliding bearing.

2. A servo toggle press according to claim 1, characterized in that: It also includes a lubrication mechanism (4); the lubrication mechanism (4) is used to lubricate the connection between the drive assembly (2-1) and the power arm (2-2), the hinge between the power arm (2-2) and the toggle transmission member (2-3), the hinge between the toggle transmission member (2-3) and the connecting rod (2-4), the hinge between the connecting rod (2-4) and the press slide (2-5), and the connection between the press slide (2-5) and the machine body (1).

3. A servo toggle press according to claim 2, characterized in that: The oil suction port of the lubricating mechanism (4) is provided with two identical filters (4-1).

4. A servo toggle press according to claim 2, characterized in that: The lubrication mechanism (4) also has an oil temperature detection device (4-2) and a high and low oil level detection device (4-3).

5. A servo toggle press according to claim 4, characterized in that: The oil temperature detection device (4-2) and the high and low oil level detection device (4-3) are respectively a first temperature sensor and an oil level sensor.

6. A servo toggle press according to claim 1, characterized in that: The detection mechanism (3) is a second temperature sensor.

7. A servo toggle press according to claim 1, characterized in that: The driving assembly (2-1) comprises a driving motor (2-1-1) and an eccentric shaft (2-1-2); the eccentric shaft (2-1-2) is rotatably connected to the power arm (2-2); a driving shaft (2-1-3) is provided inside the eccentric shaft (2-1-2) with two ends extending out of the eccentric shaft (2-1-2); the driving motor (2-1-1) is symmetrically arranged at two ends of the driving shaft (2-1-3), and the two driving motors (2-1-1) are fixedly connected to the two driving shafts (2-1-3) respectively.

8. A servo toggle press according to claim 1, characterized in that: The machine body (1) adopts a four-horizontal and four-vertical frame structure.

9. A servo toggle press according to claim 7, characterized in that: The drive motor (2-1-1) is a servo drive motor.

10. A servo toggle press according to claim 1, characterized in that: The invention also comprises a broken shaft protection mechanism; the broken shaft protection mechanism comprises a displacement sensor, a controller and a circuit breaker; the displacement sensor, the controller and the circuit breaker are all electrically connected to the controller; a mounting bracket (5) of the displacement sensor is provided on the toggle transmission member (2-3); and a scale mark (6) is provided on the toggle transmission member (2-3) at a position corresponding to the mounting bracket (5).

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