Material pressing equipment and material pressing method for rubber sealing strip mixing mill

Abstract

The invention relates to the technical field of rubber sealing strip mixing, in particular to material pressing equipment for a rubber sealing strip mixing mill and a material pressing method.The material pressing equipment comprises a bottom plate and a material pressing barrel, a supporting plate is fixedly arranged on the bottom plate, and a material pressing device is arranged on the supporting plate; second moving plates are symmetrically arranged on the two sides, under the material pressing device, of the supporting plate in a sliding mode, clamping plates are arranged below the second moving plates, and first moving plates are arranged at the positions, corresponding to the second moving plates, of the bottom plate in a sliding mode. A fixing ring is fixedly arranged on the material pressing barrel, an annular clamping groove is formed in the fixing ring, a semicircular through opening is formed in the center of the clamping plate, first containing grooves are symmetrically formed in the front ends of the two sides of the semicircular through opening, and first adjusting assemblies are movably arranged in the first containing grooves; the first adjusting assembly comprises a first rolling wheel arranged in the first containing groove in a sliding mode, and a second buffering spring and a first buffering spring for buffering longitudinal and transverse displacement of the first rolling wheel are arranged in the first containing groove.

Description

Technical Field

[0001] The present invention relates to the technical field of rubber sealing strip mixing, and specifically to a material pressing device and a material pressing method for a rubber sealing strip mixer. Background Art

[0002] As an important type of rubber products, rubber sealing strips are widely used in fields such as automobiles, buildings, and machinery, playing roles such as sealing, waterproofing, and dustproofing.

[0003] In the actual operation of the rubber sealing strip mixing process, existing material pressing devices usually require precise pushing of the material barrel directly below the press to ensure the centering operation of the material barrel and the press, which is a key step to achieve efficient mixing. However, in the actual operation process, there are a series of challenges. Specifically, in order to ensure that the material barrel can be accurately positioned below the press and at the same time require the clamping device to firmly clamp the material barrel, in this process, the initial position of the material barrel often fails to accurately align with the geometric center of the clamping device. This deviation may cause unnecessary friction and wear to the edge or side wall of the material barrel when the clamping device applies the clamping force, and in severe cases, it may even cause damage to the structure of the material barrel. More critically, this position deviation may also cause the press to be unable to fully align with the center position of the material barrel during subsequent pressing operations, thus affecting the uniformity and efficiency of mixing, and even may cause equipment failures or safety hazards.

[0004] Based on this, the present invention discloses a material pressing device and a material pressing method for a rubber sealing strip mixer. Summary of the Invention

[0005] To solve the problems raised in the background art, the present invention provides a material pressing device for a rubber sealing strip mixer, which includes a bottom plate and a material pressing barrel. A support plate is fixedly provided on the bottom plate, and a material pressing device is arranged on the support plate; Preferably, second moving plates are symmetrically and slidably arranged on both sides directly below the material pressing device on the support plate. A clamping plate for clamping the material pressing barrel is arranged below the second moving plates. A first moving plate is slidably arranged on the bottom plate at a position corresponding to the second moving plates. A lifting device for driving the clamping plate to lift is arranged on the first moving plate, and a driving component for driving the two clamping plates to clamp towards each other is also arranged on the bottom plate; Wherein, a fixed ring is fixedly provided on the material pressing barrel. An annular clamping groove is opened on the fixed ring. A semi-circular through opening for clamping the fixed ring is opened at the center position of the clamping plate. First accommodating grooves are symmetrically opened at the front ends on both sides of the semi-circular through opening. First adjusting components are movably arranged in the first accommodating grooves; The first adjusting component includes a first roller slidably arranged in the first accommodating groove. A second buffer spring for buffering the longitudinal displacement of the first roller is arranged in the first accommodating groove. A first buffer spring for buffering the lateral displacement of the first roller is also arranged in the first accommodating groove.

[0006] As a further improvement of this technical solution, a limiting rod is provided on the first moving plate. The first moving plate is fixedly connected to the second moving plate through the limiting rod, and the clamping plate is slidably connected to the limiting rod.

[0007] As a further improvement of this technical solution, the driving assembly includes a servo motor fixedly arranged on the bottom plate. A driving bevel gear is fixedly arranged at the output end of the servo motor. A bidirectional threaded rod is arranged between the two clamping plates. A driven bevel gear is fixedly arranged at the middle position of the bidirectional threaded rod. In the initial stage, the driven bevel gear is engaged with the driving bevel gear. The two clamping plates are respectively threadedly connected to both ends of the bidirectional threaded rod, and the thread directions at both ends of the bidirectional threaded rod are opposite. The rotation of the bidirectional threaded rod drives the two clamping plates to move towards or away from each other.

[0008] As a further improvement of this technical solution, a sliding groove is further opened in the first accommodating groove. The first adjusting assembly further includes a slider slidably connected in the sliding groove. The opening direction of the sliding groove is perpendicular to the direction in which the two clamping plates clamp. A buffer tube is fixedly arranged on the slider. A first support rod is slidably connected in the buffer tube. The first roller is rotatably connected to the first support rod. A first buffer spring is arranged in the buffer tube. One end of the first buffer spring is fixedly connected to the first support rod, and the other end is fixedly connected to the inner wall of the buffer tube. The buffering direction of the first buffer spring is perpendicular to the direction of the sliding groove.

[0009] Preferably, a top plate is fixedly arranged on the slider. One end of the second buffer spring is fixedly connected to the top plate, and the other end is fixedly connected to the inner wall of the first accommodating groove. The buffering direction of the second buffer spring is parallel to the direction of the sliding groove.

[0010] As a further improvement of this technical solution, second accommodating grooves are symmetrically opened along the central axis position of the semicircular through - opening on the inner side of the semicircular through - opening and behind the first adjusting assembly. A second adjusting assembly is slidably arranged in the second accommodating grooves. The second adjusting assembly includes a sliding plate slidably connected in the second accommodating grooves. One side of the sliding plate close to the semicircular through - opening is fixedly connected to a second support rod. A second roller is rotatably connected to the second support rod. A third buffer spring is arranged on the side of the sliding plate away from the semicircular through - opening. One end of the third buffer spring is fixedly connected to the sliding plate, and the other end is fixedly connected to the inner wall of the second accommodating groove.

[0011] Preferably, the space of the second accommodating groove is sufficient to completely accommodate the second roller and the third buffer spring.

[0012] As a further improvement of this technical solution, the radius of the first roller is greater than the radius of the second roller. And in the initial stage, the first roller is exposed inside the semicircular through - opening and at the top of the semicircular through - opening, and the second roller is exposed inside the semicircular through - opening.

[0013] Preferably, a plurality of universal wheels are evenly arranged around the center of the bottom of the pressure barrel, and a limiting component for guiding and positioning the universal wheels one by one is arranged in the bottom plate; Among them, the limiting component includes a first adjustment groove opened on the bottom plate, the universal wheel rolls along the first adjustment groove, a second adjustment groove communicated with the first adjustment groove is opened at the rear end of the bottom plate in the rolling direction of the universal wheel along the first adjustment groove, and a third adjustment groove communicated with the second adjustment groove is opened at one end of the bottom plate away from the first adjustment groove and away from the second adjustment groove; A lifting block is arranged at the bottom of the third adjustment groove in a lifting manner, a wedge-shaped block is fixed in the first adjustment groove, one end of the wedge-shaped block away from the second adjustment groove is flush with the top surface of the bottom plate, and one end of the wedge-shaped block connected to the second adjustment groove is flush with the bottom of the second adjustment groove; The first adjustment groove is of a conical structure, its narrower end is communicated with the second adjustment groove, the width of the second adjustment groove is adapted to the width of the wheel of the universal wheel, and the width of the third adjustment groove is greater than the width of the wheel of the universal wheel; When the wheel of the universal wheel abuts against the inner wall of one end of the third adjustment groove away from the second adjustment groove, the pressure barrel is located below the pressure device.

[0014] The second object of the present invention is to provide a pressure application method for a pressure application device for a rubber sealing strip mixer, and the specific steps are as follows: S1. Push the pressure barrel so that a plurality of universal wheels enter the third adjustment groove through the first adjustment groove and the second adjustment groove; S2. Start the servo motor, drive the bidirectional threaded rod to rotate through the driven bevel gear, and drive the two clamping plates to move towards each other to clamp the clamping groove; S3. The first adjustment component and the second adjustment component dynamically adjust longitudinally and transversely to realize the clamping and fixing of the clamping groove; S4. Start the lifting device, so that the clamping plate drives the pressure barrel to rise to a specified position, and start the pressure device to work for pressure application.

[0015] Compared with the prior art, the beneficial effects of the present invention are: 1. In the pressure application device and pressure application method for the rubber sealing strip mixer, through the disengaging fit of the bidirectional threaded rod and the bevel gear: when the lifting device drives the clamping plate to rise, the driven bevel gear automatically disengages from the driving bevel gear. At this time, the bidirectional threaded rod relies on the reverse thread structure to maintain the clamping force of the clamping plate. This design can maintain a stable clamping state without continuously driving the motor, reduces energy consumption, and at the same time avoids clamping loosening caused by mechanical vibration, ensuring that the pressure barrel is always in a tightened state during the rising and pressure application processes.

[0016] 2. In the pressure-feeding device and method for the rubber sealing strip mixer, the synergistic effect between the first adjustment component and the chute buffer system is realized: the first rollers on both sides of the semi-circular through-hole of the clamping plate slide horizontally through the chute and buffer longitudinally through the buffer tube. Combining the two-way buffer mechanism of the first buffer spring and the second buffer spring, the rollers can adaptively contract and adjust along with the position of the clamping groove during the clamping process. This structure converts rigid clamping into flexible positioning, which can not only absorb the impact caused by the initial position deviation but also reduce friction and wear through the rotation of the rollers, ultimately achieving dynamic and precise alignment between the center of the pressure-feeding barrel and the pressure-feeding device.

[0017] 3. In the pressure-feeding device and method for the rubber sealing strip mixer, the guiding and positioning linkage between the limiting component and the universal wheels is realized: the universal wheels are guided successively through the conical first adjustment groove, the linear second adjustment groove, and the movable third adjustment groove, and cooperate with the smooth transition of the wedge-shaped block to force the pressure-feeding barrel into the preset track. This structure realizes rough positioning during the manual pushing stage, making the pressure-feeding barrel initially centered below the pressure-feeding device and reducing the amplitude of subsequent clamping adjustment. At the same time, the lifting block fills the third adjustment groove after pressure-feeding to ensure that the universal wheels land smoothly when the pressure-feeding barrel descends and prevent reset deviation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The first overall structural schematic diagram of the present invention; Figure 2 The second overall structural schematic diagram of the present invention; Figure 3 The structural schematic diagram of the clamping plate of the present invention; Figure 4 The top view of the sectional structure of the clamping plate of the present invention; Figure 5 For Figure 4 The enlarged structural view at A in Figure 6 The sectional structural diagram of the clamping plate of the present invention; Figure 7 The structural schematic diagram of the first adjustment component of the present invention; Figure 8 The structural schematic diagram of the pressure-feeding barrel of the present invention; Figure 9 The structural schematic diagram of the limiting component of the present invention; Figure 10 The structural schematic diagram of the bottom plate of the present invention.

[0019] The meanings of each reference numeral in the figure are as follows: 1. Bottom plate; 2. Support plate; 3. Material pressing device; 4. First moving plate; 5. Second moving plate; 6. Limiting rod; 7. Clamping plate; 8. Lifting device; 9. Bi-directional threaded lead screw; 10. Driven bevel gear; 11. Driving bevel gear; 12. Servo motor; 13. Material pressing barrel; 14. Fixed ring; 15. Clamping groove; 16. Universal wheel; 17. Limiting component; 18. First adjustment component; 19. Second adjustment component; 20. First accommodation groove; 21. Sliding groove; 22. Second accommodation groove; 171. First adjustment groove; 172. Second adjustment groove; 173. Third adjustment groove; 174. Lifting block; 175. Wedge block; 181. Slide block; 182. First support rod; 183. First roller; 184. Buffer tube; 185. First buffer spring; 186. Top plate; 187. Second buffer spring; 191. Slide plate; 192. Second support rod; 193. Second roller; 194. Third buffer spring. Specific embodiments

[0020] 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 present 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 shall fall within the protection scope of the present invention.

[0021] In existing material pressing equipment, the initial position of the material barrel is often deviated from the center of the clamping device, resulting in wear, damage during the clamping process, and the press cannot accurately align with the material barrel, affecting the mixing efficiency and product quality.

[0022] For this reason, the present invention provides a material pressing equipment and a material pressing method for a rubber sealing strip mixer. Refer to Figures 1-2 as shown, which includes a bottom plate 1 and a material pressing barrel 13. A support plate 2 is fixedly arranged on the bottom plate 1. A material pressing device 3 is arranged on the support plate 2. Second moving plates 5 are symmetrically and slidably arranged on both sides of the support plate 2 directly below the material pressing device 3. A clamping plate 7 for clamping the material pressing barrel 13 is arranged below the second moving plate 5. A first moving plate 4 is slidably arranged on the bottom plate 1 at a position corresponding to the second moving plate 5. A lifting device 8 for driving the clamping plate 7 to lift is arranged on the first moving plate 4. A limiting rod 6 is arranged on the first moving plate 4. The first moving plate 4 is fixedly connected to the second moving plate 5 through the limiting rod 6. The clamping plate 7 is slidably connected to the limiting rod 6.

[0023] When the device is working, the material pressing barrel 13 is pushed under the material pressing device 3, and then the material pressing barrel 13 is clamped by the clamping plate 7. Then, the clamping plate 7 drives the material pressing barrel 13 to rise. After rising, through the downward pressure of the material pressing device 3, the material pressing plate on the material pressing device 3 presses the material in the material pressing barrel 13 out.

[0024] Specifically, as shown in Figure 2 As shown, a driving assembly for driving the two clamping plates 7 to clamp towards each other is further provided on the bottom plate 1. The driving assembly includes a servo motor 12 fixed on the bottom plate 1. A driving bevel gear 11 is fixed to the output end of the servo motor 12. A bidirectional threaded screw 9 is arranged between the two clamping plates 7. A driven bevel gear 10 is fixed at the middle position of the bidirectional threaded screw 9. In the initial stage, the driven bevel gear 10 meshes with the driving bevel gear 11. The two clamping plates 7 are respectively threadedly connected to both ends of the bidirectional threaded screw 9, and the thread directions at both ends of the bidirectional threaded screw 9 are opposite. The rotation of the bidirectional threaded screw 9 drives the two clamping plates 7 to move towards or away from each other.

[0025] When the device is in use, when the clamping plate 7 is directly below the material pressing barrel 13, the servo motor 12 is driven to rotate the bidirectional threaded screw 9. Due to the existence of the limiting rod 6, and then relying on the structure of the bidirectional threaded screw 9, the clamping plate 7 moves towards each other to achieve clamping. Then, driven by the lifting device 8, the two clamping plates 7 clamp the material pressing barrel 13 and rise. Secondly, when the clamping plate 7 is driven to rise by the lifting device 8, the driven bevel gear 10 disengages from the driving bevel gear 11. Due to the thread structure of the bidirectional threaded screw 9, the two clamping plates 7 will always maintain the clamping of the material pressing barrel 13.

[0026] Furthermore, as shown in Figures 6-7 As shown, a fixing ring 14 is fixed on the material pressing barrel 13. An annular clamping groove 15 is formed on the fixing ring 14. A semi-circular through opening for clamping the fixing ring 14 is formed at the center position of the clamping plate 7. First accommodating grooves 20 are symmetrically formed at the front ends on both sides of the semi-circular through opening. A sliding groove 21 is further formed in the first accommodating groove 20. The first adjusting assembly 18 further includes a slider 181 slidably connected in the sliding groove 21. The opening direction of the sliding groove 21 is perpendicular to the clamping direction of the two clamping plates 7. A buffer tube 184 is fixed on the slider 181. A first support rod 182 is slidably connected in the buffer tube 184. A first roller 183 is rotatably connected to the first support rod 182. A first buffer spring 185 is arranged in the buffer tube 184. One end of the first buffer spring 185 is fixedly connected to the first support rod 182, and the other end is fixedly connected to the inner wall of the buffer tube 184. A top plate 186 is fixed on the slider 181. One end of a second buffer spring 187 is fixedly connected to the top plate 186, and the other end is fixedly connected to the inner wall of the first accommodating groove 20. Among them, as shown in Figure 5As shown, the buffering direction of the first buffer spring 185 is perpendicular to the direction of the sliding groove 21, and the buffering direction of the second buffer spring 187 is parallel to the direction of the sliding groove 21.

[0027] When the device is in use, due to the existence of the fixing ring 14 and the clamping groove 15, first, it is convenient for the clamping plate 7 to clamp and position the clamping groove 15, making it easier for the clamping plate 7 to align with the pressing barrel 13 for clamping. Secondly, it can protect the pressing barrel 13. Finally, the outer edge of the fixing ring 14 can also support the clamping plate 7, preventing the clamping and positioning of the pressing barrel 13 from relying entirely on friction. When the pressing barrel 13 is directly below the pressing device 3, the two clamping plates 7 move towards each other. First, the top of the first roller 183 comes into contact with the clamping groove 15 first. Then, the first roller 183 starts to rotate during the continuous clamping of the clamping plate 7 and slides into the buffer tube 184. Then, it gradually transfers to the side of the first roller 183 by relying on the rotation of the first roller 183, that is, the side of the first roller 183 located inside the semi-circular through-hole comes into contact with the clamping groove 15. At this time, the central position of the pressing barrel 13 is aligned more precisely with the position directly below the pressing device 3. During this process, the clamping plate 7 continuously clamps, causing the side of the first roller 183 located inside the semi-circular through-hole to be squeezed. Then, the first roller 183 starts to slide in the sliding groove 21 by relying on the slider 181 and is gradually accommodated into the first accommodation groove 20. During this process, the rotation of the first roller 183 first reduces the wear of the clamping groove 15 during the positioning of the pressing barrel 13. Secondly, by relying on the rotation and the transverse and longitudinal buffering displacement of the first roller 183, that is, continuously shrinking into the first accommodation groove 20, the positioning and clamping of the clamping groove 15 are realized, that is, the positioning and clamping of the pressing barrel 13.

[0028] Furthermore, as shown in Figure 5 and Figure 6 As shown, second accommodation grooves 22 are symmetrically formed along the central axis position of the semi-circular through-hole at the rear of the inner side of the semi-circular through-hole. A second adjustment component 19 is slidably arranged in the second accommodation grooves 22. The second adjustment component 19 includes a sliding plate 191 slidably connected in the second accommodation grooves 22. A second support rod 192 is fixedly connected to the side of the sliding plate 191 close to the semi-circular through-hole. A second roller 193 is rotatably connected to the second support rod 192. A third buffer spring 194 is arranged on the side of the sliding plate 191 away from the semi-circular through-hole. One end of the third buffer spring 194 is fixedly connected to the sliding plate 191, and the other end is fixedly connected to the inner wall of the second accommodation groove 22. Secondly, it should be noted that the space of the second receiving groove 22 is sufficient to completely accommodate the second roller 193 and the third buffer spring 194. The radius of the first roller 183 is greater than that of the second roller 193. In the initial stage, the first roller 183 is exposed inside the semi-circular through-port and at the top of the semi-circular through-port, and the second roller 193 is exposed inside the semi-circular through-port.

[0029] When the device is in use, in combination with the positioning and clamping of the clamping groove 15 by the first roller 183 in the above text, when the first roller 183 gradually enters the first receiving groove 20, the inner wall of the rear end of the semi-circular through-port gradually contacts the clamping groove 15. To prevent the wear of the clamping groove 15 during this process and to more accurately position and clamp the pressure feeding barrel 13, the second roller 193 begins to contact the clamping groove 15. Then, in combination with the working principle of the first roller 183, the second roller 193 also starts to rotate while contracting into the second receiving groove 22 until the second roller 193 is completely contracted into the second receiving groove 22, making the entire semi-circular through-port fit with the clamping groove 15 to achieve the positioning and clamping of the pressure feeding barrel 13. During this process, in combination with the rotation of the first roller 183 and the second roller 193 and the longitudinal and lateral contraction buffering, the stability of the pressure feeding barrel 13 is maintained and wear is reduced during the process of positioning and clamping the pressure feeding barrel 13, improving the efficiency and stability of the positioning and clamping.

[0030] Specifically, as Figure 8 shown, a number of universal wheels 16 are evenly arranged around the center of the bottom of the pressure feeding barrel 13, and a limiting component 17 corresponding to each universal wheel 16 for guiding and positioning the universal wheel 16 is arranged inside the bottom plate 1; Among them, referring to Figure 9 and Figure 10 shown, the limiting component 17 includes a first adjustment groove 171 opened on the bottom plate 1, and the universal wheel 16 rolls along the first adjustment groove 171. A second adjustment groove 172 communicating with the first adjustment groove 171 is opened at the rear end of the bottom plate 1 in the rolling direction of the universal wheel 16 along the first adjustment groove 171. A third adjustment groove 173 communicating with the second adjustment groove 172 is opened at one end of the bottom plate 1 away from the first adjustment groove 171 of the second adjustment groove 172; and a lifting block 174 is arranged at the bottom of the third adjustment groove 173 in a lifting manner, and a wedge-shaped block 175 is fixedly arranged in the first adjustment groove 171. The end of the wedge-shaped block 175 away from the second adjustment groove 172 is flush with the top surface of the bottom plate 1, and the end of the wedge-shaped block 175 connected to the second adjustment groove 172 is flush with the bottom of the second adjustment groove 172.

[0031] Further, the first adjustment groove 171 has a conical structure, and its narrower end communicates with the second adjustment groove 172. The width of the second adjustment groove 172 is adapted to the width of the wheel of the universal wheel 16, and the width of the third adjustment groove 173 is greater than the width of the wheel of the universal wheel 16. When the wheel of the universal wheel 16 abuts against the inner wall of the end of the third adjustment groove 173 away from the second adjustment groove 172, the pressure barrel 13 is located below the pressure device 3.

[0032] When the device is in use, based on the protection of the clamping and positioning of the pressure barrel 13 by the above-mentioned first adjustment assembly 18 and second adjustment assembly 19, but it is also necessary to ensure that the pressure barrel 13 is roughly located directly below the pressure device 3 as much as possible during the preliminary pre-positioning process, which is more conducive to protecting the pressure barrel 13 and making the entire clamping plate 7 clamp more smoothly. Therefore, when pushing the pressure barrel 13 into directly below the pressure device 3, referring to Figure 8 First and Figure 9 , taking three universal wheels 16 arranged in a triangular layout as an example in this article, first let the universal wheel 16 in front of the bottom of the pressure barrel 13 enter the first adjustment groove 171. The working methods of other universal wheels 16 refer to the following text. When the universal wheel 16 enters the first adjustment groove 171, relying on the conical structure of the first adjustment groove 171, it is convenient for the universal wheel 16 to enter the track first, and then with the help of the wedge block 175, the universal wheel 16 smoothly enters the second adjustment groove 172. At this time, the direction of the universal wheel 16 is locked and limited, and it can only move vertically forward. When the universal wheel 16 enters the third adjustment groove 173 and abuts against the inner wall of the side of the third adjustment groove 173 away from the second adjustment groove 172, the other universal wheels 16 also abut against the inner walls of the corresponding third adjustment grooves 173. At this time, the pressure barrel 13 is roughly located directly below the pressure device 3, and the moving space of the third adjustment groove 173 is greater than the width of the universal wheel 16, which is to facilitate the subsequent first adjustment assembly 18 and second adjustment assembly 19 on the clamping plate 7 to provide a moving space for the deviation correction of the pressure barrel 13. Then when the clamping plate 7 clamps the pressure barrel 13 and starts to rise for work, the third adjustment groove 173 starts to rise to be flush with the top of the bottom plate 1. In this way, when the pressing is completed and the pressure barrel 13 descends, it can land smoothly on the bottom plate 1, preventing the universal wheel 16 from changing direction due to vibration during the pressing process, resulting in the universal wheel 16 being unable to enter the third adjustment groove 173. Therefore, the lifting block 174 is used to fill the third adjustment groove 173, making it easier for the universal wheel 16 to land smoothly. After that, when the clamping plate 7 releases the pressure barrel 13, the pressure barrel 13 can be laterally moved to complete the extraction of the entire pressure barrel 13.

[0033] In summary, it effectively solves the problems that existing pressure devices often have deviations in the initial position alignment of the material barrel with the center of the clamping device, resulting in wear, damage during the clamping process, and the press being unable to accurately align with the material barrel, affecting the mixing efficiency and product quality.

[0034] The foregoing has shown and described the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and the descriptions in the specification are only preferred examples of the present invention and are not used to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of the present invention claimed is defined by the appended claims and their equivalents.

Claims

1. A material pressing device for a rubber sealing strip mixer, which comprises a bottom plate (1) and a material pressing barrel (13), a support plate (2) is fixedly arranged on the bottom plate (1), and a material pressing device (3) is arranged on the support plate (2), and is characterized in that: On both sides of the support plate (2) symmetrically and slidably arranged directly below the material pressing device (3), there are second moving plates (5). Below the second moving plates (5), there are clamping plates (7) for clamping the material pressing barrel (13). On the bottom plate (1) at a position corresponding to the second moving plates (5), there is a first moving plate (4) slidably arranged. On the first moving plate (4), there is a lifting device (8) for driving the clamping plates (7) to lift and lower. On the bottom plate (1), there is also a driving assembly for driving the two clamping plates (7) to clamp towards each other; Among them, a fixed ring (14) is fixedly arranged on the material pressing barrel (13). An annular clamping groove (15) is opened on the fixed ring (14). A semi-circular through opening for clamping the fixed ring (14) is opened at the central position of the clamping plate (7). On both sides of the front end of the semi-circular through opening, first receiving grooves (20) are symmetrically opened. A first adjusting assembly (18) is movably arranged in the first receiving grooves (20); The first adjusting assembly (18) includes a first roller (183) slidably arranged in the first receiving groove (20). In the first receiving groove (20), there is a second buffer spring (187) for buffering the longitudinal displacement of the first roller (183). In the first receiving groove (20), there is also a first buffer spring (185) for buffering the lateral displacement of the first roller (183).

2. The pressure feeding device for a rubber sealing strip mixer according to claim 1, characterized in that: A limiting rod (6) is arranged on the first moving plate (4). The first moving plate (4) is fixedly connected to the second moving plate (5) through the limiting rod (6). The clamping plate (7) is slidably connected to the limiting rod (6).

3. The pressure feeding device for a rubber sealing strip mixer according to claim 2, characterized in that: The driving assembly includes a servo motor (12) fixedly arranged on the bottom plate (1). A driving bevel gear (11) is fixedly arranged at the output end of the servo motor (12). A bidirectional threaded screw rod (9) is arranged between the two clamping plates (7). A driven bevel gear (10) is fixedly arranged at the middle position of the bidirectional threaded screw rod (9). In the initial stage, the driven bevel gear (10) is engaged with the driving bevel gear (11). The two clamping plates (7) are respectively threadedly connected to both ends of the bidirectional threaded screw rod (9), and the thread directions at both ends of the bidirectional threaded screw rod (9) are opposite. The rotation of the bidirectional threaded screw rod (9) drives the two clamping plates (7) to move towards or away from each other.

4. The material pressing device for the rubber sealing strip mixer according to claim 1, wherein: A sliding groove (21) is also opened in the first receiving groove (20). The first adjusting assembly (18) further includes a slider (181) slidably connected in the sliding groove (21). The opening direction of the sliding groove (21) is perpendicular to the clamping direction of the two clamping plates (7); A buffer tube (184) is fixedly arranged on the slider (181). A first support rod (182) is slidably connected in the buffer tube (184). The first roller (183) is rotatably connected to the first support rod (182). The first buffer spring (185) is arranged in the buffer tube (184). One end of the first buffer spring (185) is fixedly connected to the first support rod (182), and the other end is fixedly connected to the inner wall of the buffer tube (184); The buffering direction of the first buffer spring (185) is perpendicular to the direction of the sliding groove (21).

5. The pressure feeding device for a rubber sealing strip mixer according to claim 4, characterized in that: A top plate (186) is fixedly arranged on the slider (181). One end of the second buffer spring (187) is fixedly connected to the top plate (186), and the other end is fixedly connected to the inner wall of the first receiving groove (20). The buffering direction of the second buffer spring (187) is parallel to the direction of the sliding groove (21).

6. The material pressing device for a rubber sealing strip mixer according to claim 1, characterized in that: On the inner side of the semi-circular through opening and symmetrically along the central axis position of the semi-circular through opening behind the first adjustment assembly (18), a second receiving groove (22) is opened. A second adjustment assembly (19) is slidably arranged in the second receiving groove (22). The second adjustment assembly (19) includes a sliding plate (191) slidably connected in the second receiving groove (22). On one side of the sliding plate (191) close to the semi-circular through opening, a second support rod (192) is fixedly connected. A second roller (193) is rotatably connected to the second support rod (192). On the side of the sliding plate (191) away from the semi-circular through opening, a third buffer spring (194) is arranged. One end of the third buffer spring (194) is fixedly connected to the sliding plate (191), and the other end is fixedly connected to the inner wall of the second receiving groove (22).

7. The pressure feeding device for a rubber sealing strip mixer according to claim 6, characterized in that: The space of the second receiving groove (22) is sufficient to completely accommodate the second roller (193) and the third buffer spring (194).

8. The pressure feeding device for a rubber sealing strip mixer according to claim 6, characterized in that: The radius of the first roller (183) is greater than the radius of the second roller (193). And in the initial stage, the first roller (183) is exposed inside the semi-circular through opening and at the top of the semi-circular through opening, and the second roller (193) is exposed inside the semi-circular through opening.

9. The pressure feeding device for a rubber sealing strip kneader according to claim 1, wherein: A plurality of universal wheels (16) are evenly arranged around the center of the bottom of the material pressing barrel (13). A limiting assembly (17) for guiding and positioning the universal wheels (16) one by one is arranged in the bottom plate (1). Among them, the limiting assembly (17) includes a first adjustment groove (171) opened on the bottom plate (1). The universal wheel (16) rolls along the first adjustment groove (171). At the rear end of the bottom plate (1) in the rolling direction of the universal wheel (16) along the first adjustment groove (171), a second adjustment groove (172) communicating with the first adjustment groove (171) is opened. At one end of the bottom plate (1) away from the first adjustment groove (171) in the second adjustment groove (172), a third adjustment groove (173) communicating with the second adjustment groove (172) is opened. A lifting block (174) is arranged to be lifted and lowered at the inner bottom of the third adjustment groove (173). A wedge-shaped block (175) is fixedly arranged in the first adjustment groove (171). One end of the wedge-shaped block (175) away from the second adjustment groove (172) is flush with the top surface of the bottom plate (1). One end of the wedge-shaped block (175) connected to the second adjustment groove (172) is flush with the bottom of the second adjustment groove (172). The first adjustment groove (171) is in a conical structure. Its narrower end communicates with the second adjustment groove (172). The width of the second adjustment groove (172) is adapted to the width of the wheel of the universal wheel (16). The width of the third adjustment groove (173) is greater than the width of the wheel of the universal wheel (16). When the wheel of the swivel wheel (16) abuts against the inner wall of one end of the third adjustment groove (173) away from the second adjustment groove (172), the pressure barrel (13) is located below the pressure device (3).

10. A pressure application method for a pressure application device of a rubber sealing strip mixer used in any one of claims 1-9, characterized in that: It includes the following steps: S1. Push the pressure barrel (13) so that several swivel wheels (16) enter the third adjustment groove (173) through the second adjustment groove (172) via the first adjustment groove (171); S2. Start the servo motor (12), drive the bidirectional threaded screw rod (9) to rotate through the driven bevel gear (10), and drive the two clamping plates (7) to move towards each other to clamp the clamping groove (15); S3. The first adjustment assembly (18) and the second adjustment assembly (19) are dynamically adjusted longitudinally and transversely to realize the clamping and fixing of the clamping groove (15); S4. Start the lifting device (8) to make the clamping plate (7) drive the pressure barrel (13) to rise to a specified position, and start the pressure device (3) to work for pressure application.

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