Extrusion oil cylinder structure and extruder
By designing the combination of oil cylinder body, electric cylinder body and drive device in the extruder, the extruder's problems of high energy consumption and low efficiency when processing materials with high hardness are solved, and more efficient energy transfer and production efficiency are achieved. .
Patent Information
- Application Number
- CN202420737616.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-10
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-04-10
AI Technical Summary
When existing extruders deal with materials with high hardness or difficult to deform, the extrusion cylinder cannot provide sufficient extrusion pressure or speed, resulting in increased energy consumption and inefficient production efficiency.
An extrusion cylinder structure including a cylinder body, an electric cylinder body and a driving device is designed. It converts hydraulic energy into mechanical energy and provides additional power before the oil cylinder works. It uses the electric cylinder body and a driving device to speed up the extrusion speed and accuracy. Control the output of power and reduce energy consumption.
It realizes the reduction of cylinder load, reduces energy consumption, improves production efficiency, and enhances the stability and accuracy of the extrusion process under low load conditions.
Smart Images
Figure CN222343823U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of extrusion equipment, in particular to an extrusion oil cylinder structure and an extruder. Background Art
[0002] The extruder is an important industrial equipment. It uses the extrusion principle to apply external force to the metal billet placed in the extrusion barrel, so that it flows out from a specific die hole, thereby obtaining a profile with the desired cross-sectional shape and size. The working principle of the extruder is based on plastic processing, that is, by applying external force to the metal, it causes plastic deformation to obtain the desired shape and size. The extruder plays a vital role in the production of light alloy (such as aluminum alloy, copper alloy and magnesium alloy) tubes, rods and profiles. With the continuous advancement of science and technology and the development of industrial production, the types and performance of extruders are also constantly improving, providing strong technical support for the processing of various metal materials. The extruder needs to use an extrusion cylinder to work. The extrusion cylinder uses hydraulic oil as the medium and generates pressure by controlling the flow of oil, which is used for pressure processing of the workpiece.
[0003] However, the existing extruders rely solely on the extrusion cylinder for extrusion operations, and the extrusion cylinder consumes a lot of energy during operation. Especially under high load conditions, relying solely on the cylinder may lead to increased energy consumption, which is not conducive to energy saving. When processing materials with higher hardness or difficult to deform, the extrusion cylinder cannot provide sufficient extrusion force or speed, resulting in low production efficiency. Utility Model Content
[0004] Based on this, in order to solve the problem that the extruder only relies on the oil cylinder during operation, which may lead to increased energy consumption, which is not conducive to energy saving, and when processing materials with high hardness or difficult to deform, the extrusion oil cylinder cannot provide sufficient extrusion force or speed, resulting in low production efficiency, one of the purposes of the utility model is to provide an extrusion oil cylinder structure, and its specific technical solution is as follows:
[0005] An extrusion cylinder structure includes a cylinder body, an electric cylinder body and a driving device, wherein the electric cylinder body is fixedly connected to the cylinder body, the electric cylinder body includes a first cylinder barrel and a first telescopic assembly, the first telescopic assembly is arranged in the first cylinder barrel, one end of the first telescopic assembly passes through the first cylinder barrel and is fixedly connected to the cylinder body, the first cylinder barrel is fixedly connected to the cylinder body; the driving device is fixedly connected to the electric cylinder body.
[0006] Furthermore, the first telescopic assembly includes a first piston rod and a first piston, both of which are arranged in the first cylinder, one end of the first piston rod is connected to the first piston, and one end of the first piston rod away from the first piston passes through the first cylinder and is fixedly connected to the cylinder body.
[0007] Furthermore, the cylinder body includes a front cylinder head, a second cylinder barrel, a second telescopic assembly and a rear cylinder head, the second telescopic assembly is arranged in the second cylinder barrel and passes through the end of the second cylinder barrel away from the first cylinder barrel, the end of the second telescopic assembly close to the first cylinder barrel is fixedly connected to the first piston rod, the front cylinder head is connected to the end of the second cylinder barrel away from the first cylinder barrel, and is used to seal the front end of the second cylinder barrel, the rear cylinder head is connected to the end of the second cylinder barrel close to the first cylinder barrel, and is used to seal the rear end of the second cylinder barrel, the front cylinder head is provided with a first oil port, the rear cylinder head is provided with a second oil port, the first oil port and the second oil port are both connected to the second cylinder barrel, and the first cylinder barrel is fixedly connected to the rear cylinder head.
[0008] Furthermore, the second telescopic assembly includes a second piston rod and a second piston, both of which are arranged in the second cylinder, the end of the second piston rod close to the first cylinder is connected to the second piston, and the end of the second piston rod away from the second piston passes through the end of the second cylinder away from the first cylinder.
[0009] Furthermore, a piston nut is provided at the connection between the second piston rod and the second piston, and the piston nut and the second piston are tightly connected.
[0010] Furthermore, an electric cylinder flange is provided on the first cylinder barrel, and the first cylinder barrel is fixedly connected to the oil cylinder body through the electric cylinder flange.
[0011] Furthermore, a front cover flange is provided on one end of the second cylinder barrel away from the first cylinder barrel, and the second cylinder barrel is fixedly connected to the front cylinder cover via the front cover flange.
[0012] Furthermore, a rear cover flange is provided on one end of the second cylinder barrel close to the first cylinder barrel, and the second cylinder barrel is fixedly connected to the rear cylinder cover via the rear cover flange.
[0013] Furthermore, a dust cover is provided on one end of the front cylinder cover away from the first cylinder barrel, and the dust cover is detachably connected to the front cylinder cover.
[0014] Another object of the utility model is to provide an extruder.
[0015] An extruder comprises the extrusion cylinder structure as described above.
[0016] Compared with the prior art, the beneficial effects of the utility model are as follows: the extrusion oil cylinder structure of the utility model converts hydraulic energy into mechanical energy by setting the oil cylinder body, realizes the force transmission and conversion in the extrusion process, and enables the extruder to perform various extrusion tasks and complete the plastic deformation or forming of the material; by setting the electric cylinder body, before the oil cylinder works, additional power is provided, thereby accelerating the extrusion speed, improving the production efficiency, more accurately controlling the force output in the extrusion process, and reducing unnecessary energy consumption. Especially under low load or no-load conditions, the electric rod can effectively reduce the workload of the oil cylinder body, thereby reducing energy consumption, and also helps to maintain the stability of the production process. The electric cylinder body includes a first cylinder barrel and a first telescopic assembly, so that efficient energy transmission can be achieved between the electric cylinder body and the oil cylinder body; by setting a driving device for driving the first telescopic assembly to work, it can provide additional power when needed, thereby reducing the burden on the oil cylinder body. The extrusion oil cylinder structure of the utility model can effectively reduce unnecessary energy consumption and achieve energy saving through the cooperation of the oil cylinder body, the electric cylinder body and the driving device, and can also accelerate the extrusion speed, thereby improving the production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] The present invention may be further understood from the following description in conjunction with the accompanying drawings. The components in the drawings are not necessarily drawn to scale, but the emphasis is placed on illustrating the principles of the embodiments. In different views, the same figure numerals designate corresponding parts.
[0018] Figure 1 It is a structural schematic diagram of the extrusion cylinder structure according to an embodiment of the utility model;
[0019] Figure 2 yes Figure 1 A is a schematic diagram of the enlarged structure of the middle part;
[0020] Figure 3 yes Figure 1 Schematic diagram of the enlarged structure of B.
[0021] Description of reference numerals:
[0022] 1. Cylinder body; 11. Front cylinder head; 12. Second cylinder barrel; 13. Second telescopic assembly; 131. Second piston rod; 132. Second piston; 133. Piston nut; 14. Rear cylinder head; 15. First oil port; 16. Second oil port; 17. Front cover flange; 18. Rear cover flange; 19. Dust cover; 2. Electric cylinder body; 21. First cylinder barrel; 22. First telescopic assembly; 221. First piston rod; 222. First piston; 23. Electric cylinder flange; 3. Drive device; 31. Servo motor; 32. Reducer. DETAILED DESCRIPTION
[0023] In order to make the purpose, technical solutions and advantages of the utility model more clearly understood, the utility model is further described in detail below in conjunction with its embodiments. It should be understood that the specific implementation methods described here are only used to explain the utility model and do not limit the protection scope of the utility model.
[0024] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.
[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.
[0026] The “first” and “second” mentioned in the present invention do not represent specific quantities and orders, but are merely used to distinguish names.
[0027] like Figure 1-3As shown, an extrusion cylinder structure in an embodiment of the utility model includes a cylinder body 1, an electric cylinder body 2 and a driving device 3. The electric cylinder body 2 is fixedly connected to the cylinder body 1. The electric cylinder body 2 includes a first cylinder barrel 21 and a first telescopic assembly 22. The first telescopic assembly 22 is arranged in the first cylinder barrel 21. One end of the first telescopic assembly 22 passes through the first cylinder barrel 21 and is fixedly connected to the cylinder body 1. The first cylinder barrel 21 is fixedly connected to the cylinder body 1, so that efficient energy transfer can be achieved between the electric cylinder body 2 and the cylinder body 1; the driving device 3 is fixedly connected to the electric cylinder body 2, and is used to drive the first telescopic assembly 22 to work, and can provide additional power when needed, thereby reducing the load on the cylinder body 1. By setting the oil cylinder body 1, hydraulic energy is converted into mechanical energy, and the force transmission and conversion in the extrusion process are realized, so that the extruder can perform various extrusion tasks and complete the plastic deformation or forming of the material; by setting the electric cylinder body 2, before the oil cylinder works, additional power is provided, thereby accelerating the extrusion speed, improving production efficiency, more accurately controlling the force output in the extrusion process, and reducing unnecessary energy consumption. Especially under low load or no-load conditions, the electric rod can effectively reduce the workload of the oil cylinder body 1, thereby reducing energy consumption, and also helping to maintain the stability of the production process. In addition, in this embodiment, the electric cylinder body 2 and the oil cylinder body 1 are controlled by PLC (Programmable Logic Controller) to work separately.
[0028] As a preferred embodiment of the utility model, it may also have the following additional technical features: the first telescopic component 22 includes a first piston rod 221 and a first piston 222, the first piston rod 221 and the first piston 222 are both arranged in the first cylinder 21, one end of the first piston rod 221 is connected to the first piston 222, the end of the first piston rod 221 away from the first piston 222 passes through the first cylinder 21 and is fixedly connected to the cylinder body 1, the connection between the first piston rod 221 and the first piston 222 enables the first piston 222 to reciprocate smoothly in the first cylinder 21, thereby effectively transmitting force, improving the working efficiency of the extrusion cylinder, reducing the loss during energy transfer, and making the entire extrusion process more efficient.
[0029] As a preferred embodiment of the utility model, it may also have the following additional technical features: the oil cylinder body 1 includes a front cylinder cover 11, a second cylinder barrel 12, a second telescopic assembly 13 and a rear cylinder cover 14, the second telescopic assembly 13 is arranged in the second cylinder barrel 12 and passes through the end of the second cylinder barrel 12 away from the first cylinder barrel 21, the end of the second telescopic assembly 13 close to the first cylinder barrel 21 is fixedly connected to the first piston rod 221, the front cylinder cover 11 is connected to the end of the second cylinder barrel 12 away from the first cylinder barrel 21, and is used to The front end of the second cylinder 12 is sealed, and the rear cylinder cover 14 is connected to one end of the second cylinder 12 close to the first cylinder 21 to seal the rear end of the second cylinder 12. The front cylinder cover 11 is provided with a first oil port 15, and the rear cylinder cover 14 is provided with a second oil port 16. The first oil port 15 and the second oil port 16 are both connected to the second cylinder 12. The first cylinder 21 is fixedly connected to the rear cylinder cover 14. The front and rear ends of the second cylinder 12 are sealed respectively by the front cylinder cover 11 and the rear cylinder cover 14, forming a closed working The second telescopic assembly 13 is arranged in the second cylinder 12 and is fixedly connected with the first piston rod 221, so that efficient energy transfer can be achieved between the electric cylinder body 2 and the oil cylinder body 1. When the electric cylinder body 2 is working, the movement of the first piston rod 221 can drive the second telescopic assembly 13 to perform corresponding telescopic movement in the second cylinder 12, thereby completing the extrusion action, reducing the loss of energy conversion, and improving the energy utilization efficiency. By setting the first oil port 15 and the second oil port 16 and communicating with the second cylinder 12, the circulation flow of the hydraulic oil and the adjustment of the pressure can be achieved. When the extrusion action needs to be completed, the second oil port 16 is refueled, and the hydraulic oil pushes the second piston 132 forward until it stops when it abuts against the front cylinder cover 11, thereby realizing the extrusion of liquid or semi-liquid metal; when the retreat action needs to be performed, the first oil port 15 is refueled, and the hydraulic oil pushes the second piston 132 backward until it stops when it abuts against the rear cylinder cover 14, and the retreat action of the second piston 132 is completed.
[0030] As a preferred embodiment of the utility model, it may also have the following additional technical features: the second telescopic assembly 13 includes a second piston rod 131 and a second piston 132, the second piston rod 131 and the second piston 132 are both arranged in the second cylinder 12, the end of the second piston rod 131 close to the first cylinder 21 is connected to the second piston 132, and the end of the second piston rod 131 away from the second piston 132 passes through the end of the second cylinder 12 away from the first cylinder 21. By combining the first telescopic assembly 22 and the second telescopic assembly 13, the extrusion cylinder structure realizes a dual drive mechanism, so that during the extrusion process, the overall force output is enhanced, and for application scenarios requiring high extrusion force or rapid extrusion, it can provide more efficient and powerful performance.
[0031] As a preferred embodiment of the utility model, it may also have the following additional technical features: a piston nut 133 is provided at the connection between the second piston rod 131 and the second piston 132, and the piston nut 133 and the second piston 132 are tightly connected. The piston nut 133 tightly connects the piston and the piston rod to ensure a firm connection between them, so that the piston rod can stably drive the piston to move in the cylinder to prevent unstable movement or failure due to looseness or vibration. While fixing the piston rod, the piston nut 133 also helps to maintain the airtightness of the cylinder or oil cylinder to ensure that the piston rod will not move due to air pressure or other factors when moving at high speed, thereby maintaining the sealing of the internal space to prevent gas or liquid leakage.
[0032] As a preferred embodiment of the utility model, it may also have the following additional technical features: an electric cylinder flange 23 is provided on the first cylinder barrel 21, and the first cylinder barrel 21 is fixedly connected to the cylinder body 1 through the electric cylinder flange 23. The connection through the electric cylinder flange 23 can ensure that the connection between the first cylinder barrel 21 and the cylinder body 1 is more stable, reducing the risk of loosening and breakage due to vibration or impact.
[0033] As a preferred embodiment of the utility model, it may also have the following additional technical features: a front cover flange 17 is provided on the end of the second cylinder barrel 12 away from the first cylinder barrel 21, and the second cylinder barrel 12 is fixedly connected to the front cylinder head 11 through the front cover flange 17. The connection through the front cover flange 17 can ensure that the connection between the second cylinder barrel 12 and the front cylinder head 11 is more stable, and the risk of loosening and breakage caused by vibration or impact is reduced. At the same time, the connection between the front cover flange 17 and the front cylinder head 11 adopts a sealing design, which helps to prevent hydraulic oil leakage and ensure the normal operation of the cylinder.
[0034] As a preferred embodiment of the utility model, it may also have the following additional technical features: a rear cover flange 18 is provided on the end of the second cylinder barrel 12 close to the first cylinder barrel 21, and the second cylinder barrel 12 is fixedly connected to the rear cylinder head 14 through the rear cover flange 18. The connection through the rear cover flange 18 can ensure that the connection between the second cylinder barrel 12 and the front cylinder head 11 is more stable, reducing the risk of loosening and breakage caused by vibration or impact. At the same time, the connection between the rear cover flange 18 and the rear cylinder head 14 adopts a sealing design, which helps to prevent hydraulic oil leakage and ensure the normal operation of the cylinder.
[0035] As a preferred embodiment of the utility model, it may also have the following additional technical features: a dust cover 19 is provided on the end of the front cylinder head 11 away from the first cylinder barrel 21, and the dust cover 19 is detachably connected to the front cylinder head 11. The setting of the dust cover 19 can effectively prevent external dust and impurities from entering the interior of the oil cylinder, thereby reducing the maintenance frequency.
[0036] As a preferred embodiment of the utility model, it may also have the following additional technical features: the driving device 3 includes a servo motor 31 and a reduction box 32 , the reduction box 32 is connected to the servo motor 31 , and the reduction box 32 is fixedly connected to the electric cylinder body 2 .
[0037] The working process of the extrusion oil cylinder structure of this embodiment is as follows: when extrusion work is required, the PLC sends an instruction to start the electric cylinder body 2, and the first telescopic component 22 starts to work under the action of the driving device 3. Through precise control, the first telescopic component 22 telescopes in the first cylinder barrel 21 until it reaches the preset designated position. In this process, the electric cylinder and the oil cylinder body 1 are fixedly connected to achieve direct transmission and efficient conversion of force. When the electric cylinder reaches the designated position, the PLC receives the in-position signal of the electric cylinder and begins to prepare to start the oil cylinder body 1. At this time, the second oil port 16 is refueled, and the hydraulic oil pushes the second piston 132 forward until it stops when it abuts against the front cylinder cover 11, thereby realizing the extrusion of liquid or semi-liquid metal. When the extrusion is completed, the PLC receives the work completion signal, refuels the first oil port 15, and the hydraulic oil pushes the second piston 132 backward until it abuts against the rear cylinder cover 14, and stops. The retreat action of the second piston 132 is completed, and an instruction is sent to the electric cylinder body 2 to control its return stroke. The first telescopic component 22 moves in the opposite direction and returns to the initial position under the drive of the driving device 3.
[0038] This embodiment also provides an extruder, including the extrusion cylinder structure as described above. By adopting the extrusion cylinder structure as described above, it is of great significance in improving extrusion performance, enhancing stability and reliability, achieving precise control, simplifying maintenance and servicing, and having strong adaptability.
[0039] The extrusion cylinder structure of this embodiment has a reasonable structural design and is easy to use. This structure can also be used for other equipment with similar usage requirements. In this embodiment, the extrusion cylinder structure can effectively reduce unnecessary energy consumption through the cooperation of the cylinder body 1, the electric cylinder body 2 and the drive device 3, thereby achieving energy-saving effects, and at the same time can speed up the extrusion speed, thereby improving production efficiency.
[0040] In the description of the above embodiments, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, "several" and "multiple" mean more than one, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" and "second", it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.
[0041] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction between the combinations of these technical features, they should be considered to be within the scope recorded in this specification.
[0042] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.
Claims
1. An extrusion cylinder structure, characterized in that: include: Cylinder body (1); An electric cylinder body (2), the electric cylinder body (2) being fixedly connected to the oil cylinder body (1), the electric cylinder body (2) comprising a first cylinder barrel (21) and a first telescopic assembly (22), the first telescopic assembly (22) being arranged in the first cylinder barrel (21), one end of the first telescopic assembly (22) passing through the first cylinder barrel (21) and being fixedly connected to the oil cylinder body (1), the first cylinder barrel (21) being fixedly connected to the oil cylinder body (1); A driving device (3), wherein the driving device (3) is fixedly connected to the electric cylinder body (2).
2. The extrusion cylinder structure according to claim 1, characterized in that: The first telescopic assembly (22) comprises a first piston rod (221) and a first piston (222); the first piston rod (221) and the first piston (222) are both arranged in the first cylinder barrel (21); one end of the first piston rod (221) is connected to the first piston (222); and one end of the first piston rod (221) away from the first piston (222) passes through the first cylinder barrel (21) and is fixedly connected to the cylinder body (1).
3. The extrusion cylinder structure according to claim 2, characterized in that: The oil cylinder body (1) comprises a front cylinder cover (11), a second cylinder barrel (12), a second telescopic assembly (13) and a rear cylinder cover (14); the second telescopic assembly (13) is arranged in the second cylinder barrel (12) and passes through an end of the second cylinder barrel (12) away from the first cylinder barrel (21); an end of the second telescopic assembly (13) close to the first cylinder barrel (21) is fixedly connected to the first piston rod (221); the front cylinder cover (11) and an end of the second cylinder barrel (12) away from the first cylinder barrel (21) are connected to each other. The front cylinder head (11) is provided with a first oil port (15), and the rear cylinder head (14) is provided with a second oil port (16). The first oil port (15) and the second oil port (16) are both connected to the second cylinder (12). The first cylinder (21) and the rear cylinder head (14) are fixedly connected.
4. The extrusion cylinder structure according to claim 3, characterized in that: The second telescopic assembly (13) comprises a second piston rod (131) and a second piston (132). The second piston rod (131) and the second piston (132) are both arranged in the second cylinder (12). The end of the second piston rod (131) close to the first cylinder (21) is connected to the second piston (132), and the end of the second piston rod (131) away from the second piston (132) passes through the end of the second cylinder (12) away from the first cylinder (21).
5. The extrusion cylinder structure according to claim 4, characterized in that: A piston nut (133) is provided at the connection between the second piston rod (131) and the second piston (132), and the piston nut (133) and the second piston (132) are tightly connected.
6. The extrusion cylinder structure according to claim 1, characterized in that: The first cylinder barrel (21) is provided with an electric cylinder flange (23), and the first cylinder barrel (21) is fixedly connected to the oil cylinder body (1) via the electric cylinder flange (23).
7. The extrusion cylinder structure according to claim 3, characterized in that: A front cover flange (17) is provided on one end of the second cylinder barrel (12) away from the first cylinder barrel (21), and the second cylinder barrel (12) is fixedly connected to the front cylinder cover (11) via the front cover flange (17).
8. The extrusion cylinder structure according to claim 3, characterized in that: A rear cover flange (18) is provided on one end of the second cylinder barrel (12) close to the first cylinder barrel (21), and the second cylinder barrel (12) is fixedly connected to the rear cylinder cover (14) via the rear cover flange (18).
9. The extrusion cylinder structure according to claim 3, characterized in that: A dust cover (19) is provided on one end of the front cylinder cover (11) away from the first cylinder barrel (21), and the dust cover (19) is detachably connected to the front cylinder cover (11).
10. An extruder, characterized in that: It comprises the extrusion cylinder structure as described in any one of claims 1 to 9.