Mining rim forming equipment with buffering function

Abstract

The invention relates to the technical field of rim production, in particular to mining rim forming equipment with a buffering function, which comprises a rack, and further comprises a movable beam, a buffering device, a driving device, a driving device and a buffering device, and the movable beam is longitudinally arranged above the rack in a sliding manner; the spinning mechanism is used for spinning the turned-over edge of the to-be-formed mining rim; the groove pressing mechanism is used for performing groove pressing on the middle part of the turned edge of the to-be-formed mining rim; the attaching assembly is used for driving the longitudinal position and the horizontal position of the spinning mechanism and the groove pressing mechanism, so that a spinning wheel body and a pressing wheel body are attached to the to-be-formed mining rim; the buffering and positioning assembly is used for positioning the to-be-formed mining rim, and the buffering and positioning assembly comprises a placing plate, a pressing plate and a core mold. The invention aims to solve or at least alleviate the problem of position deviation when a rim is placed in the current rim forming equipment, and provides the mining rim forming equipment with the buffering function.

Description

Technical Field

[0001] The invention relates to the technical field of wheel rim production, and in particular to a mining wheel rim forming device with a buffer function. Background Art

[0002] As an important safety component in the vehicle structure, the performance of the wheel hub directly affects the safety performance of the vehicle. However, the manufacturing process of aluminum alloy wheel hubs has not reached the international leading level. Some aluminum alloy wheel hubs with special structures still need to be manufactured by turning or milling, and cannot be processed by casting, forging, or spinning. For example, the root groove structure at the connection between the spoke and the rim is generally machined. The turning process cuts off the metal flow line at the root groove, reduces the strength of this part, and makes this part prone to fatigue failure after the wheel hub has been in service for a long time. At present, the rim structure includes integral type, two-piece type, multi-piece type, etc. For the two-piece and multi-piece types, the production of the rim part usually adopts the following methods: rolling forming after the plate is welded into a cylinder; forging forming; forging-spinning forming; casting forming, etc.

[0003] Conventional low-pressure rims are thick and heavy, and are die-casted using mature technology and low pressure. The finished products are machined and have thick rims and heavy weight, which can easily increase the energy consumption of the car.

[0004] The rim forming equipment is to expand and press the rim into shape, and then spin the rim by spinning the wheel close to the fitting rim. Most of the current rim forming equipment just presses the rim to be formed directly onto the core mold. If the placement position of the rim deviates, after the rim is pressed onto the core mold, the rim will tilt and fit onto the core mold. At this time, spinning will cause dimensional deviation, and the rim after spinning is tightly fitted onto the core mold and is not easy to return. For example, the utility model patent with the authorization announcement number CN217831448U discloses a device for extruding the rim by spinning process, which relates to the field of rim processing technology, and mainly includes an upper connecting plate, a spinning upper mold, a positioning rod, an ejector mold, a pre-spin blank, a spinning lower mold, an ejector rod, a lower connecting seat, a spring and a connecting rod. It is characterized in that the spinning upper mold is installed on the upper connecting plate, the spinning lower mold is connected to the lower connecting seat, the pre-spin blank is sleeved on the spinning lower mold, the ejector mold is connected to the spinning lower mold, and the spring acts to eject the mold to eject the spun rim. The advantage is that the rear rim is extruded separately for rear rotation, which increases density and strength, thereby reducing weight. Although the technical solution provides an ejection mold for material withdrawal, thereby realizing the material withdrawal function, it cannot guarantee the relative position between the rim to be formed and the core mold. Summary of the invention

[0005] The purpose of the present invention is to overcome the deficiencies in the prior art, solve or at least alleviate the problem of position deviation when placing the rim in the current rim forming equipment, and provide a mining rim forming equipment with a buffer function.

[0006] The present invention is achieved through the following technical solutions: A mining rim forming device with a buffering function, including a frame, and further including: A movable beam, which is longitudinally slidably arranged above the frame; A spinning mechanism, which is used to spin the flanging part of the mining rim to be formed. The spinning mechanism is arranged on the upper side of the frame. The spinning mechanism includes: A spinning wheel chamber, which is located on the upper side of the frame; A spinning wheel body, which is horizontally rotatably arranged at the lower end of the spinning wheel chamber; A grooving mechanism, which is used to groove the middle part of the flanging part of the mining rim to be formed. The grooving mechanism is arranged at the rear part above the frame. The grooving mechanism includes: A grooving wheel chamber, which is located at the rear upper side of the frame; A grooving wheel body, which is horizontally rotatably arranged at the lower end of the grooving wheel chamber; A fitting component, which is used to drive the longitudinal and horizontal positions of the spinning mechanism and the grooving mechanism, so that the spinning wheel body and the grooving wheel body are fitted to the mining rim to be formed; A buffering and positioning component, which is used to position the mining rim to be formed. The buffering and positioning component includes: A placement plate, which is longitudinally slidably arranged below the movable beam. The placement plate moves in the opposite direction to the movable beam. The mining rim to be formed is placed in the middle of the upper surface of the placement plate; A pressing plate, which is used to press the mining rim to be formed onto the placement plate and is tightly arranged below the movable beam; A core mold, which is used for the forming and positioning of the mining rim to be formed. The core mold is rotatably arranged on the upper part of the frame. A spring is arranged between the core mold and the frame. The spring drives the core mold to move upward. During forming, the core mold moves upward through the placement plate and is fitted into the mining rim to be formed.

[0007] In order to further implement the present invention, the following technical solutions can be preferably selected: Preferably, the fitting component includes: A lifting seat, which is longitudinally slidably arranged outside the frame; A lifting hydraulic cylinder, which is used to drive the lifting of the lifting seat. The fixed part of the lifting hydraulic cylinder is fixedly arranged on the frame. The telescopic part of the lifting hydraulic cylinder extends vertically upward and its end is fixedly connected to the lifting seat; A translation seat, which is used to drive the spinning wheel pressing chamber or the grooving wheel chamber to translate to the mining rim to be formed. The translation seat is horizontally slidably arranged on the upper part of the lifting seat. The spinning wheel pressing chamber or the grooving wheel chamber is fixedly arranged at one end of the translation seat close to the mining rim to be formed; A translation hydraulic cylinder, which is used to drive the translation seat to translate. The fixed part of the translation hydraulic cylinder is fixedly arranged on the lifting seat, and the telescopic part of the translation hydraulic cylinder faces the mining wheel rim to be formed and its end is fixedly connected to the translation seat.

[0008] Preferably, the fitting assembly further includes a buffer fitting mechanism, and the buffer fitting mechanism includes: A buffer chamber, which includes a fast section and a slow section arranged coaxially. The cross-sectional area of the fast section is larger than that of the slow section, and there is a smooth transition between the fast section and the slow section; A fast piston plate, which is hermetically and slidably arranged in the fast section; A slow piston plate, which is located on the side of the fast piston plate close to the slow section. When the slow piston plate is located in the slow section, the outer circumference of the slow piston plate is hermetically and slidably fitted with the inner circumference of the slow section.

[0009] Preferably, the buffer fitting mechanism further includes: A fast hydraulic cylinder, which is used to drive the fast piston plate to move in the buffer chamber. The fixed part of the fast hydraulic cylinder is fixedly arranged outside the buffer chamber, and the telescopic part of the fast hydraulic cylinder extends into the buffer chamber and its end is fixedly connected to the fast piston plate; A slow hydraulic cylinder, which is used to drive the slow piston plate to move in the buffer chamber. The fixed part of the slow hydraulic cylinder is fixedly arranged outside the buffer chamber, and the telescopic part of the slow hydraulic cylinder extends into the buffer chamber and its end is fixedly connected to the slow piston plate. The telescopic part of the slow hydraulic cylinder is hermetically and slidably sleeved on the fast piston plate.

[0010] Preferably, the configurations of the fast hydraulic cylinder and the slow hydraulic cylinder are as follows: When the fast hydraulic cylinder is in the extended state, the slow hydraulic cylinder is in the passive state. When the fast hydraulic cylinder extends to the limit position, the slow hydraulic cylinder enters the extended state, and the extension speed of the slow hydraulic cylinder is not greater than that of the fast hydraulic cylinder; When the slow hydraulic cylinder is in the contracted state, the fast hydraulic cylinder is in the passive state.

[0011] Preferably, it further includes a rotating assembly, which is used to drive the core mold to rotate. The rotating assembly includes: A rotating seat, which is rotatably arranged on the upper part of the frame and is driven by a motor to rotate in the frame; A rotating shaft, which is axially and slidably sleeved in the rotating seat. The upper end of the rotating shaft is fixedly connected to the core mold, and the spring is sleeved on the rotating shaft. The upper and lower ends of the spring respectively abut against the upper end of the rotating shaft and the rotating seat.

[0012] Preferably, the frame includes: A frame body; Vertical columns, four of which are vertically arranged above the frame body, and the movable beam is slidably sleeved on the vertical columns; Upper beam, which is fixedly arranged at the upper ends of the vertical columns; Longitudinal hydraulic cylinder, which is used to control the longitudinal position of the movable beam. The fixed section of the longitudinal hydraulic cylinder is fixedly arranged on the upper beam, and the telescopic section of the longitudinal hydraulic cylinder is fixedly connected to the movable beam.

[0013] Preferably, the buffer positioning assembly further includes: Clamping hydraulic cylinder, which is used to drive the placing plate to move longitudinally. The fixed part of the clamping hydraulic cylinder is fixedly arranged on the movable beam, the telescopic part of the clamping hydraulic cylinder is vertically downward, and its end is fixedly connected to the placing plate.

[0014] Preferably, a rotating sleeve is fixedly arranged in the middle of the movable beam, a pressing rod is arranged in the rotating sleeve, the upper end of the pressing rod is rotatably sleeved in the rotating sleeve, and the pressing plate is coaxially and fixedly arranged at the lower end of the pressing rod; A rotating plate is arranged on the upper surface of the placing plate, the rotating plate is rotatably arranged on the upper surface of the placing plate, and the to-be-formed mining wheel rim is placed on the rotating plate.

[0015] Preferably, the number of the spinning mechanisms is two, and the two spinning mechanisms are respectively located on both sides of the frame.

[0016] By the above technical solutions, the beneficial effects of the present invention are: The present invention is provided with a buffer positioning assembly. The to-be-formed mining wheel rim is placed on the horizontally arranged placing plate and is pressed by the pressing plate to ensure that the to-be-formed mining wheel rim is in a horizontal state and there will be no inclination between the wheel rim and the core mold. During the pressing process of the wheel rim, the core mold extends upward into the wheel rim on the placing plate to keep the wheel rim and the core mold coaxial. And, the formed wheel rim will rise with the placing plate to separate from the core mold, thus completing the unloading. Description of the Drawings

[0017] Figure 1 is the structural schematic diagram of the present invention; Figure 2 is the structural sectional view of the present invention; Figure 3 is of the present invention Figure 2 the enlarged view of A in; Figure 4 is the structural sectional view of the buffer positioning assembly of the present invention; Figure 5 is of the present invention Figure 4 the enlarged view of B in; Figure 6 is the structural schematic diagram of the buffer fitting mechanism of the present invention; Figure 7 is the structural sectional view of the buffer fitting mechanism of the present invention; Wherein: 1 - frame; 2 - core mold; 3 - movable beam; 4 - spinning mechanism; 5 - spinning wheel chamber; 6 - spinning wheel body; 7 - grooving mechanism; 8 - pressing wheel chamber; 9 - pressing wheel body; 10 - placing plate; 11 - pressing plate; 12 - lifting seat; 13 - lifting hydraulic cylinder; 14 - translation seat; 15 - translation hydraulic cylinder; 16 - buffer bin; 17 - fast piston plate; 18 - slow piston plate; 19 - fast hydraulic cylinder; 20 - slow hydraulic cylinder; 21 - rotating seat; 22 - rotating shaft; 23 - frame body; 24 - column; 25 - upper beam; 26 - longitudinal hydraulic cylinder; 27 - clamping hydraulic cylinder; 28 - rotating sleeve; 29 - pressing rod; 30 - rotating plate.

[0018] In the specific implementation manner, in the description of the present invention, it should also be noted that unless otherwise clearly specified and limited, the terms "set", "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention. Embodiment 1

[0020] Most of the current rim forming equipment directly presses the rim to be formed on the core mold 2. If the placement position of the rim is deviated, after the rim is pressed onto the core mold 2, the rim will be sleeved on the core mold 2 obliquely. At this time, spinning will cause dimensional deviation, and the spun rim is tightly sleeved on the core mold 2 and is not easy to unload.

[0021] As Figures 1-5 shown, a mining rim forming equipment with a buffering function includes a frame 1, and further includes: A movable beam 3, which is longitudinally slidably arranged above the frame 1; A spinning mechanism 4, which is used to spin the flanging part of the mining rim to be formed. The spinning mechanism 4 is arranged on the upper side of the frame 1, and the spinning mechanism 4 includes: A spinning wheel chamber 5, which is located on the upper side of the frame 1; A spinning wheel body 6, which is horizontally rotatably arranged at the lower end of the spinning wheel chamber 5; The grooving mechanism 7 is used to groove the middle part of the flanging of the to-be-formed mining rim. The grooving mechanism 7 is arranged at the rear part above the frame 1 and includes: The grooving wheel chamber 8 is located at the rear part on the upper side of the frame 1; The grooving wheel body 9 is horizontally rotatably arranged at the lower end of the grooving wheel chamber 8; The fitting component is used to drive the longitudinal position and horizontal position of the spinning mechanism 4 and the grooving mechanism 7, so that the spinning wheel body 6 and the grooving wheel body 9 are fitted to the to-be-formed mining rim; The buffer positioning component is used to position the to-be-formed mining rim. The buffer positioning component includes: The placing plate 10 is longitudinally slidably arranged below the movable beam 3. The placing plate 10 moves in the opposite direction to the movable beam 3. The to-be-formed mining rim is placed in the middle of the upper surface of the placing plate 10; The pressing plate 11 is used to press the to-be-formed mining rim onto the placing plate 10 and is tightly arranged below the movable beam 3; The core mold 2 is used for the forming positioning of the to-be-formed mining rim. The core mold 2 is rotatably arranged at the upper part of the frame 1. A spring is arranged between the core mold 2 and the frame 1. The spring drives the core mold 2 to move upward. During forming, the core mold 2 passes upward through the placing plate 10 and is fitted into the to-be-formed mining rim.

[0022] The fitting component includes: The lifting seat 12 is longitudinally slidably arranged outside the frame 1; The lifting hydraulic cylinder 13 is used to drive the lifting of the lifting seat 12. The fixed part of the lifting hydraulic cylinder 13 is fixedly arranged on the frame 1. The telescopic part of the lifting hydraulic cylinder 13 extends vertically upward and its end is fixedly connected to the lifting seat 12; The translation seat 14 is used to drive the spinning wheel pressure chamber or the grooving wheel chamber 8 to translate to the to-be-formed mining rim. The translation seat 14 is horizontally slidably arranged on the upper part of the lifting seat 12. The spinning wheel pressure chamber or the grooving wheel chamber 8 is fixedly arranged at one end of the translation seat 14 close to the to-be-formed mining rim; The translation hydraulic cylinder 15 is used to drive the translation of the translation seat 14. The fixed part of the translation hydraulic cylinder 15 is fixedly arranged on the lifting seat 12. The telescopic part of the translation hydraulic cylinder 15 faces the to-be-formed mining rim and its end is fixedly connected to the translation seat 14.

[0023] In this embodiment, the frame 1 includes: The frame body 23; The columns 24. Four columns 24 are vertically arranged above the frame body 23. The movable beam 3 is slidably sleeved on the columns 24; The upper beam 25 is fixedly arranged at the upper ends of the columns 24; A longitudinal hydraulic cylinder 26 is used to control the longitudinal position of the movable beam 3. The fixed section of the longitudinal hydraulic cylinder 26 is fixedly arranged on the upper beam 25, and the telescopic section of the longitudinal hydraulic cylinder 26 is fixedly connected to the movable beam 3.

[0024] To ensure the stability of the rotation of the core mold 2, a rotation assembly is further included, which is used to drive the core mold 2 to rotate. The rotation assembly includes: A rotating seat 21 is rotatably arranged on the upper part of the frame 1, and the rotating seat 21 is driven by a motor to rotate within the frame 1; A rotating shaft 22 is axially slidably sleeved within the rotating seat 21. The upper end of the rotating shaft 22 is fixedly connected to the core mold 2, and a spring is sleeved on the rotating shaft 22. The upper and lower ends of the spring respectively abut against the upper end of the rotating shaft 22 and the rotating seat 21.

[0025] To optimize the product structure, the buffer positioning assembly further includes: A clamping hydraulic cylinder 27 is used to drive the placing plate 10 to move longitudinally. The fixed part of the clamping hydraulic cylinder 27 is fixedly arranged on the movable beam 3. The telescopic part of the clamping hydraulic cylinder 27 is vertically downward, and its end is fixedly connected to the placing plate 10.

[0026] To enable the mining wheel rim sleeved on the core mold 2 to rotate together with the core mold 2, a rotating sleeve 28 is fixedly arranged in the middle of the movable beam 3. A pressure rod 29 is arranged within the rotating sleeve 28. The upper end of the pressure rod 29 is rotatably sleeved within the rotating sleeve 28, and a pressing plate 11 is coaxially and fixedly arranged at the lower end of the pressure rod 29; A rotating plate 30 is arranged on the upper surface of the placing plate 10. The rotating plate 30 is rotatably arranged on the upper surface of the placing plate 10, and the mining wheel rim to be formed is placed on the rotating plate 30.

[0027] To ensure the spinning effect, the number of the spinning mechanisms 4 is two, and the two spinning mechanisms 4 are respectively located on both sides of the frame 1 In the present invention, a buffer positioning assembly is provided. The mining wheel rim to be formed is placed on the horizontally arranged placing plate 10 and is pressed by the pressing plate 11 against the wheel rim, ensuring that the mining wheel rim to be formed is in a horizontal state and there is no inclination between it and the core mold 2. During the pressing process of the wheel rim, the core mold 2 extends upward into the wheel rim on the placing plate 10, keeping the wheel rim and the core mold 2 in a coaxial state. Moreover, the formed wheel rim will rise with the placing plate 10 to disengage from the core mold 2, thus completing the unloading. Embodiment Two

[0028] In the technical solution of Embodiment One, although the position state of the wheel rim to be formed and the core mold 2 can be ensured, the placing process is simplified, and the forming efficiency is improved to a certain extent.

[0029] To improve the forming efficiency more quickly, the telescopic speed of the horizontal hydraulic cylinder during spinning can be adjusted. However, when the speed of the horizontal hydraulic cylinder is relatively fast, it is easy to directly cause the spinning wheel body 6 to quickly touch the rim on the core mold 2, damaging the equipment and the rim. Moreover, it is not easy to accurately control the telescopic speed of the horizontal hydraulic cylinder.

[0030] As Figure 6 and Figure 7 shown, the fitting assembly further includes a buffer fitting mechanism, and the buffer fitting mechanism includes: A buffer chamber 16, the buffer chamber 16 includes a fast section and a slow section arranged coaxially. The cross-sectional area of the fast section is larger than that of the slow section, and there is a smooth transition between the fast section and the slow section; A fast piston plate 17, the fast piston plate 17 is hermetically and slidably arranged in the fast section; A slow piston plate 18, the slow piston plate 18 is located on the side of the fast piston plate 17 close to the slow section. When the slow piston plate 18 is located in the slow section, the outer circumference of the slow piston plate 18 is hermetically and slidably fitted with the inner circumference of the slow section.

[0031] In order to optimize the product structure, in this embodiment, the buffer fitting mechanism further includes: A fast hydraulic cylinder 19, which is used to drive the fast piston plate 17 to move in the buffer chamber 16. The fixed part of the fast hydraulic cylinder 19 is fixedly arranged outside the buffer chamber 16, and the telescopic part of the fast hydraulic cylinder 19 extends into the buffer chamber 16 and its end is fixedly connected to the fast piston plate 17; A slow hydraulic cylinder 20, which is used to drive the slow piston plate 18 to move in the buffer chamber 16. The fixed part of the slow hydraulic cylinder 20 is fixedly arranged outside the buffer chamber 16, and the telescopic part of the slow hydraulic cylinder 20 extends into the buffer chamber 16 and its end is fixedly connected to the slow piston plate 18. The telescopic part of the slow hydraulic cylinder 20 is hermetically and slidably sleeved on the fast piston plate 17.

[0032] The configurations of the fast hydraulic cylinder 19 and the slow hydraulic cylinder 20 are as follows: When the fast hydraulic cylinder 19 is in the extended state, the slow hydraulic cylinder 20 is in the passive state. When the fast hydraulic cylinder 19 extends to the limit position, the slow hydraulic cylinder 20 enters the extended state, and the extension speed of the slow hydraulic cylinder 20 is not greater than the extension speed of the fast hydraulic cylinder 19; When the slow hydraulic cylinder 20 is in the contracted state, the fast hydraulic cylinder 19 is in the passive state.

[0033] Before forming, when the spinning mechanism 4 is far away from the core mold 2, the fast hydraulic cylinder 19 is in the extended state. The slow piston plate 18 moves with the fast piston plate 17, quickly pressing the hydraulic oil into the horizontal hydraulic cylinder, and the spinning mechanism 4 quickly approaches the core mold 2. When the spinning mechanism 4 approaches the core mold 2, the fast piston plate 17 moves to the limit position, and the slow piston plate 18 first enters the transition area between the fast section and the slow section. At this time, the spinning mechanism 4 temporarily stops moving, and then the slow piston plate 18 enters the slow section, slowly pressing the hydraulic oil into the horizontal hydraulic cylinder, and the spinning mechanism 4 spins and forms the rim on the core mold 2. This not only ensures the spinning effect but also improves the forming efficiency.

[0034] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A mining rim forming device with a buffering function, including a frame (1), characterized in that, Further included are: A movable beam (3), which is longitudinally slidably arranged above the frame (1); A spinning mechanism (4) for spinning the flanging part of the to-be-formed mining rim. The spinning mechanism (4) is arranged on the upper side of the frame (1). The spinning mechanism (4) includes: A spinning wheel chamber (5), which is located on the upper side of the frame (1); A spinning wheel body (6), which is horizontally rotatably arranged at the lower end of the spinning wheel chamber (5); A grooving mechanism (7) for grooving the middle part of the flanging part of the to-be-formed mining rim. The grooving mechanism (7) is arranged at the rear part above the frame (1). The grooving mechanism (7) includes: A pressing wheel chamber (8), which is located at the rear part on the upper side of the frame (1); A pressing wheel body (9), which is horizontally rotatably arranged at the lower end of the pressing wheel chamber (8); A fitting component for driving the longitudinal position and the horizontal position of the spinning mechanism (4) and the grooving mechanism (7) so that the spinning wheel body (6) and the pressing wheel body (9) are fitted to the to-be-formed mining rim; A buffer positioning component for positioning the to-be-formed mining rim. The buffer positioning component includes: A placing plate (10), which is longitudinally slidably arranged below the movable beam (3). The placing plate (10) moves in the opposite direction to the movable beam (3). The to-be-formed mining rim is placed in the middle of the upper surface of the placing plate (10); A pressing plate (11) for pressing the to-be-formed mining rim onto the placing plate (10), which is tightly arranged below the movable beam (3); A core mold (2) for forming and positioning the to-be-formed mining rim. The core mold (2) is rotatably arranged on the upper part of the frame (1). A spring is arranged between the core mold (2) and the frame (1). The spring drives the core mold (2) to move upward. During forming, the core mold (2) moves upward through the placing plate (10) and is fitted into the to-be-formed mining rim.

2. A mining rim forming device with a buffering function according to claim 1, characterized in that, The fitting component includes: A lifting seat (12), which is longitudinally slidably arranged outside the frame (1); A lifting hydraulic cylinder (13) for driving the lifting seat (12) to lift. The fixed part of the lifting hydraulic cylinder (13) is fixedly arranged on the frame (1). The telescopic part of the lifting hydraulic cylinder (13) extends vertically upward and its end is fixedly connected to the lifting seat (12); A translation seat (14) for driving the spinning wheel pressing chamber or the pressing wheel chamber (8) to translate to the to-be-formed mining rim. The translation seat (14) is horizontally slidably arranged on the upper part of the lifting seat (12). The spinning wheel pressing chamber or the pressing wheel chamber (8) is fixedly arranged at one end of the translation seat (14) close to the to-be-formed mining rim; A translation hydraulic cylinder (15) for driving the translation seat (14) to translate. The fixed part of the translation hydraulic cylinder (15) is fixedly arranged on the lifting seat (12). The telescopic part of the translation hydraulic cylinder (15) faces the to-be-formed mining rim and its end is fixedly connected to the translation seat (14).

3. A mining rim forming device with a buffering function according to claim 2, characterized in that The fitting component further includes a buffer fitting mechanism. The buffer fitting mechanism includes: A buffer bin (16), the buffer bin (16) includes a fast section and a slow section arranged coaxially, the cross-sectional area of the fast section is larger than that of the slow section, and there is a smooth transition between the fast section and the slow section; A fast piston plate (17), the fast piston plate (17) is hermetically and slidably arranged in the fast section; A slow piston plate (18), the slow piston plate (18) is located on the side of the fast piston plate (17) close to the slow section. When the slow piston plate (18) is located in the slow section, the outer circumference of the slow piston plate (18) is hermetically and slidably fitted with the inner circumference of the slow section.

4. A mining rim forming device with a buffering function according to claim 3, characterized in that, The buffer fitting mechanism further includes: A fast hydraulic cylinder (19), which is used to drive the fast piston plate (17) to move in the buffer bin (16). The fixed part of the fast hydraulic cylinder (19) is fixedly arranged outside the buffer bin (16), and the telescopic part of the fast hydraulic cylinder (19) extends into the buffer bin (16) and its end is fixedly connected to the fast piston plate (17); A slow hydraulic cylinder (20), which is used to drive the slow piston plate (18) to move in the buffer bin (16). The fixed part of the slow hydraulic cylinder (20) is fixedly arranged outside the buffer bin (16), and the telescopic part of the slow hydraulic cylinder (20) extends into the buffer bin (16) and its end is fixedly connected to the slow piston plate (18). The telescopic part of the slow hydraulic cylinder (20) is hermetically and slidably sleeved on the fast piston plate (17).

5. The rim forming device for mining with a buffering function according to claim 4, characterized in that, The configurations of the fast hydraulic cylinder (19) and the slow hydraulic cylinder (20) are as follows: When the fast hydraulic cylinder (19) is in the extended state, the slow hydraulic cylinder (20) is in the passive state. When the fast hydraulic cylinder (19) extends to the limit position, the slow hydraulic cylinder (20) enters the extended state, and the extension speed of the slow hydraulic cylinder (20) is not greater than the extension speed of the fast hydraulic cylinder (19); When the slow hydraulic cylinder (20) is in the contracted state, the fast hydraulic cylinder (19) is in the passive state.

6. A mining rim forming device with a buffering function according to claim 1, characterized in that It further includes a rotating assembly, which is used to drive the core mold (2) to rotate. The rotating assembly includes: A rotating seat (21), the rotating seat (21) is rotatably arranged on the upper part of the frame (1), and the rotating seat (21) is driven by a motor to rotate in the frame (1); A rotating shaft (22), the rotating shaft (22) is axially slidably sleeved in the rotating seat (21), the upper end of the rotating shaft (22) is fixedly connected to the core mold (2), and the spring is sleeved on the rotating shaft (22), and the upper and lower ends of the spring respectively abut against the upper end of the rotating shaft (22) and the rotating seat (21).

7. A mining rim forming device with a buffering function according to claim 1, characterized in that The frame (1) includes: A frame body (23); Columns (24), four of the columns (24) are vertically arranged above the frame body (23), and the movable beam (3) is slidably sleeved on the columns (24); An upper beam (25), the upper beam (25) is fixedly arranged at the upper ends of the columns (24); A longitudinal hydraulic cylinder (26), which is used to control the longitudinal position of the movable beam (3). The fixed section of the longitudinal hydraulic cylinder (26) is fixedly arranged on the upper beam (25), and the telescopic section of the longitudinal hydraulic cylinder (26) is fixedly connected to the movable beam (3).

8. A mining rim forming device with a buffering function according to claim 1, wherein, The buffer positioning component further includes: A clamping hydraulic cylinder (27) is used to drive the longitudinal movement of the placement plate (10). The fixed part of the clamping hydraulic cylinder (27) is fixedly arranged on the movable beam (3), and the telescopic part of the clamping hydraulic cylinder (27) is vertically downward and its end is fixedly connected to the placement plate (10).

9. A mining rim forming device with a buffering function according to claim 1, characterized in that, A rotating sleeve (28) is fixedly arranged in the middle of the movable beam (3). A pressure rod (29) is arranged in the rotating sleeve (28). The upper end of the pressure rod (29) is rotatably sleeved in the rotating sleeve (28), and the pressing plate (11) is coaxially and fixedly arranged at the lower end of the pressure rod (29); A rotating plate (30) is arranged on the upper surface of the placement plate (10). The rotating plate (30) is rotatably arranged on the upper surface of the placement plate (10), and the to-be-formed mining wheel rim is placed on the rotating plate (30).

10. A mining rim forming device with a buffering function according to claim 1, characterized in that, The number of the spinning mechanisms (4) is two, and the two spinning mechanisms (4) are respectively located on both sides of the frame (1).

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