A rotary press machine
By using linear guide mechanism, laser positioning sensor and compact rolling device in the rotary press, combined with multiple sensors and servo motors, the problems of insufficient structural strength and incomplete pressing are solved, and efficient and precise pressing effect is achieved .
Patent Information
- Application Number
- CN202411338178.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-25
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2044-09-25
AI Technical Summary
During the pressing process, existing rotary press machines have problems such as insufficient structural strength, insufficient compression and insufficient flatness of compression surfaces, which leads to low pressure assembly efficiency and requires a disposable high-quality compression assembly device.
Using linear guide mechanism, laser positioning sensor, electric push rod, mobile seat, pressure head and compact rolling device, precise positioning and uniform pressure application are achieved through multiple sensors and servo motors, ensuring the flatness and complete pressure installation of the pressing parts. .
It realizes high-precision pressing without manual operation, improves pressing quality and efficiency, avoids repeated pressing, and ensures uniformity and thoroughness of pressing parts.
Smart Images

Figure CN118848487B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of press-fitting machines, in particular to a rotary press-fitting machine. Background Art
[0002] A press is a mechanical device used for precise assembly and fixing of components, and is widely used in the automotive, electronics and manufacturing industries. Its main function is to press one or more components into another component by applying pressure, thereby achieving a firm connection. A press usually consists of a pressure control system, a press head and a support structure. The pressure control system can adjust the applied force to ensure the stability and accuracy of the press process. The press head directly contacts the component being pressed and can be designed in different shapes and sizes as required. The support structure provides a stable foundation for the entire operation. Modern presses are also equipped with automated control systems, making the operation more efficient and accurate. When performing press operations, it is necessary to select the appropriate pressure according to the material and size of the component being pressed to avoid damage to the component.
[0003] The invention with authorization announcement number CN211730399U discloses a rotary press machine. The utility model realizes the rotation of the rotating shaft by driving a motor to realize the rotation adjustment of the press machine body. The press machine body on the mounting seat presses the objects to be pressed in the storage slot, thereby improving work efficiency.
[0004] The above-mentioned device can achieve the purpose of pressing the object to be pressed, but the pressing machine body of the device is connected to the turntable through a connecting rod. The strength of this structure is not high enough, and the object to be pressed cannot be pressed accurately. When the object to be pressed is pressed, due to the stress of different components, the pressing is not thorough enough and the pressing surface is not flat enough. The existing technology improves the pressing quality by repeated pressing, which is time-consuming and labor-intensive and is not conducive to improving the pressing efficiency. Therefore, a one-time high-quality pressing device is needed. Summary of the invention
[0005] The object of the present invention is to provide a rotary press to solve the problems raised in the above background technology.
[0006] To achieve the above object, the present invention provides the following technical solutions:
[0007] A rotary press machine comprises a first bracket, a linear guide mechanism is relatively fixedly arranged above the first bracket, a plurality of conveying devices are evenly arranged above the linear guide mechanism, a second bracket is fixedly arranged outside the linear guide mechanism and located above the first bracket, a crossbeam is fixedly arranged at the front side of the second bracket, a laser positioning sensor is fixedly arranged at the middle of the rear end face of the crossbeam, a first electric push rod is fixedly arranged at the center of the lower end face of the second bracket, a first moving seat is arranged below the first electric push rod, and limiting sliding rods are fixedly arranged at four corners of the upper end face of the first moving seat, and the limiting sliding rod passes through the second bracket and is slidably connected to the second bracket;
[0008] A second moving seat is arranged below the first moving seat, and second electric push rods are evenly fixedly arranged at four corners of the lower end surface of the first moving seat, and stepped grooves are provided at four corners of the upper end surface of the second moving seat corresponding to the second electric push rod, and a lower limit rod is installed in the stepped groove, and a plurality of springs are evenly arranged in the stepped groove on the outer side of the lower limit rod, and the end of the output shaft of the second electric push rod is connected to the upper end of the lower limit rod through a joint bearing, and laser distance sensors corresponding to the second electric push rod are evenly embedded on the lower end surface of the second moving seat, and a stepped hole is provided on the second moving seat, and a pressure head is slidably installed in the stepped hole, and a third bracket is fixedly arranged above the middle part of the second moving seat, and a first dense rolling device is provided in the middle part between the third bracket and the pressure head.
[0009] As a further solution of the present invention: the conveying device includes a support seat, a mold is arranged above the support seat, and a press-fitting groove is opened on the upper end surface of the mold.
[0010] As a further solution of the present invention: a first pressure sensor is fixedly provided at the end of the output shaft of the first electric push rod.
[0011] As a further solution of the present invention: the laser distance sensor is located outside the press-fitting groove, and the second electric push rod and the laser distance sensor are coaxial in the vertical direction.
[0012] As a further solution of the present invention: the first compacting rolling device includes a third electric push rod, the third electric push rod is fixedly arranged on the lower end surface of the third bracket, a second pressure sensor is fixedly arranged on the end of the output shaft of the third electric push rod, a first servo motor is fixedly arranged below the second pressure sensor, and a first pressure turntable is fixedly arranged on the end of the output shaft of the first servo motor.
[0013] As a further solution of the present invention: a plurality of first roller strips are embedded and rotate evenly under the first pressure rotating disk.
[0014] As a further solution of the present invention: the first compacting rolling device is replaced by a second compacting rolling device, the second compacting rolling device includes a fourth electric push rod, a second servo motor is arranged below the fourth electric push rod, a first connecting shaft is arranged below the second servo motor, a second connecting shaft is arranged below the first connecting shaft, the output shaft of the second servo motor is fixedly connected to the upper end of the first connecting shaft by a cross universal joint, the lower end of the first connecting shaft is connected to the upper end of the second connecting shaft by a cross universal joint, a second pressure turntable is fixedly arranged at the lower end of the second connecting shaft, the second pressure turntable is shaped like a Lenaud triangle and matches the stepped hole on the second movable seat.
[0015] As a further solution of the present invention: a third pressure sensor is fixedly provided at the end of the output shaft of the fourth electric push rod.
[0016] As a further solution of the present invention: a second roller strip is embedded under the second pressure turntable in a three-pointed star-shaped distribution and rotates evenly.
[0017] Compared with the prior art, the present invention has the following beneficial effects:
[0018] 1. The conveying device is gradually fed to the bottom of the second bracket through the linear guide mechanism. The laser positioning sensor positions the conveying device. The first pressure sensor monitors the force applied by the first electric push rod, which facilitates the subsequent press-fitting of the press-fitted parts in the conveying device without manual operation.
[0019] 2. Use multiple laser distance sensors to detect the distance between the second movable seat and the mold to determine whether the second movable seat is in a horizontal state relative to the mold. If it is not in a horizontal state, adjust the extension amount of the second electric push rod to make the second movable seat in a horizontal state, thereby facilitating the subsequent press-fitting of the press-fitted parts and improving the press-fitting accuracy. The joint bearing has a universal adjustment function to facilitate the leveling of the second movable seat;
[0020] 3. The third electric push rod is used to apply secondary pressure to the pressure head. The second pressure sensor monitors the force applied by the third electric push rod, so as to press the press-fit parts in the conveying device more accurately. The first servo motor drives the first pressure turntable and the first roller strip to rotate. The stepped hole in the second movable seat limits the first pressure turntable and the first roller strip. The circular pressure operation surface is used to apply pressure to the pressure head, so that the pressure head can be pressed evenly, so that the press-fit parts in the conveying device can be pressed more evenly, avoiding incomplete press-fitting of the press-fit parts due to stress, and improving the press-fitting quality and efficiency of the device.
[0021] 4. The pressure head is subjected to secondary pressure through the fourth electric push rod, the third pressure sensor monitors the force applied by the fourth electric push rod, the stepped hole on the second movable seat acts as a limiter, so that the second pressure turntable rotates in the stepped hole, and the second servo motor drives the second pressure turntable and the second roller pressure strip to rotate through the cross universal joint, the first connecting shaft, and the second connecting shaft, so that the second pressure turntable and the second roller pressure strip can uniformly apply pressure to the pressure head over the maximum area (a square pressure method can be formed). BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 It is a schematic diagram of the three-dimensional structure of Example 1 of the present invention.
[0023] Figure 2 It is a schematic diagram of the top structure of embodiment 1 of the present invention.
[0024] Figure 3 This is a schematic diagram of the main structure of Example 1 of the present invention.
[0025] Figure 4 Embodiment 1 of the present invention Figure 2 Schematic diagram of the three-dimensional structure of the cross section at AA in the middle.
[0026] Figure 5 Embodiment 1 of the present invention Figure 2 Schematic diagram of the cross-sectional structure at AA in the middle.
[0027] Figure 6 Embodiment 1 of the present invention Figure 2 Schematic diagram of the cross-sectional structure at BB in the middle.
[0028] Figure 7 It is a schematic diagram of the three-dimensional structure of the first compacting rolling device in Example 1 of the present invention.
[0029] Figure 8 It is a schematic diagram of the local cross-sectional structure of the first compacting rolling device in Example 1 of the present invention.
[0030] Fig. 9 This is an exploded view of the first compacting rolling device in Example 1 of the present invention.
[0031] Fig.10 It is a schematic diagram of the three-dimensional structure of Example 2 of the present invention.
[0032] Fig.11 It is a schematic diagram of the local three-dimensional structure of the second compacting rolling device in Example 2 of the present invention.
[0033] Fig.12 It is a schematic diagram of the local cross-sectional three-dimensional structure of the second compacting rolling device in Example 2 of the present invention.
[0034] Figure numerals: 1. first bracket; 2. linear guide mechanism; 3. transport device; 31. support seat; 32. mold; 33. press-fitting groove; 4. second bracket; 5. first electric push rod; 6. first pressure sensor; 7. limit slide bar; 8. first moving seat; 9. third bracket; 10. first compacting rolling device; 101. third electric push rod; 102. second pressure sensor; 103. first servo motor; 104. first pressure rotary disc; 105. first roller strip; 11. Pressure head; 12. Second moving seat; 13. Second electric push rod; 14. Joint bearing; 15. Lower limit rod; 16. Spring; 17. Crossbeam; 18. Laser positioning sensor; 19. Laser distance sensor; 20. Second dense rolling device; 201. Fourth electric push rod; 202. Third pressure sensor; 203. Second servo motor; 204. Cross universal joint; 205. First connecting shaft; 206. Second connecting shaft; 207. Second pressure turntable; 208. Second roller pressure strip. DETAILED DESCRIPTION
[0035] The following embodiments will be described in detail with reference to the accompanying drawings. In the drawings or descriptions, similar or identical parts use the same reference numerals, and in actual applications, the shape, thickness or height of each component may be enlarged or reduced. The embodiments listed in the present invention are only used to illustrate the present invention and are not used to limit the scope of the present invention. Any obvious modifications or changes made to the present invention do not depart from the spirit and scope of the present invention.
[0036] Example 1
[0037] See also Figures 1 to 9In an embodiment of the present invention, a rotary press machine includes a first bracket 1, a linear guide mechanism 2 is relatively fixedly arranged above the first bracket 1, a plurality of conveying devices 3 are evenly arranged above the linear guide mechanism 2, the conveying device 3 includes a support seat 31, a mold 32 is arranged above the support seat 31, and a press-fitting groove 33 is opened on the upper end surface of the mold 32, a second bracket 4 is fixedly arranged above the first bracket 1 on the outer side of the linear guide mechanism 2, a crossbeam 17 is fixedly arranged on the front side of the second bracket 4, a laser positioning sensor 18 is fixedly arranged in the middle of the rear end surface of the crossbeam 17, and a laser positioning sensor 18 is fixedly arranged in the middle of the lower end surface of the second bracket 4 A first electric push rod 5 is fixedly provided at the center, a first pressure sensor 6 is fixedly provided at the end of the output shaft of the first electric push rod 5, a first movable seat 8 is provided below the first pressure sensor 6, and limiting slide bars 7 are fixedly provided at the four corners of the upper end surface of the first movable seat 8, and the limiting slide bar 7 passes through the second bracket 4 and is slidably connected to the second bracket 4. The conveying device 3 is gradually fed to the bottom of the second bracket 4 through the linear guide mechanism 2, the laser positioning sensor 18 positions the conveying device 3, and the first pressure sensor 6 monitors the force applied by the first electric push rod 5, so as to facilitate the subsequent press-fitting of the press-fitted parts in the conveying device 3 without manual operation.
[0038] A second moving seat 12 is arranged below the first moving seat 8, and second electric push rods 13 are evenly fixedly arranged at the four corners of the lower end surface of the first moving seat 8, and stepped grooves are opened at the four corners of the upper end surface of the second moving seat 12 corresponding to the second electric push rod 13, and a lower limit rod 15 is installed in the stepped groove, and a plurality of springs 16 are evenly arranged in the stepped groove on the outer side of the lower limit rod 15, and the output shaft end of the second electric push rod 13 is connected to the upper end of the lower limit rod 15 through a joint bearing 14, and a laser distance sensor 19 corresponding to the second electric push rod 13 is evenly embedded on the lower end surface of the second moving seat 12, and the laser distance sensor 19 is located at On the outside of the press-fitting groove 33, the second electric push rod 13 and the laser distance sensor 19 are coaxial in the vertical direction, and a stepped hole is opened on the second movable seat 12, in which a pressure head 11 is slidably installed, and the distance between the second movable seat 12 and the mold 32 is detected by multiple laser distance sensors 19, so as to determine whether the second movable seat 12 is in a horizontal state relative to the mold 32. If it is not in a horizontal state, the extension and contraction amount of the second electric push rod 13 is adjusted to make the second movable seat 12 in a horizontal state, thereby facilitating the subsequent press-fitting of the press-fitted parts and improving the press-fitting accuracy. The joint bearing 14 has a universal adjustment function, which is convenient for the leveling of the second movable seat 12.
[0039] A third bracket 9 is fixedly arranged above the middle of the second movable seat 12, and a first compacting rolling device 10 is arranged in the middle between the third bracket 9 and the pressure head 11. The first compacting rolling device 10 includes a third electric push rod 101, and the third electric push rod 101 is fixedly arranged on the lower end surface of the third bracket 9. A second pressure sensor 102 is fixedly arranged on the end of the output shaft of the third electric push rod 101, and a first servo motor 103 is fixedly arranged below the second pressure sensor 102. A first pressure rotating disk 104 is fixedly arranged on the end of the output shaft of the first servo motor 103, and a plurality of first rolling strips 10 are embedded and rotate evenly below the first pressure rotating disk 104. 5. The third electric push rod 101 is used to apply secondary pressure to the pressure head 11, and the second pressure sensor 102 monitors the force applied by the third electric push rod 101, so as to press the press-fitted parts in the conveying device 3 more accurately. The first servo motor 103 drives the first pressure turntable 104 and the first roller pressure strip 105 to rotate, and the stepped hole in the second movable seat 12 limits the first pressure turntable 104 and the first roller pressure strip 105. The circular pressure operation surface is used to apply pressure to the pressure head 11, and then the pressure head 11 can be evenly pressed, so that the press-fitted parts in the conveying device 3 can be pressed more smoothly and evenly, avoiding the press-fitting of the press-fitted parts due to stress. The press-fitting quality and efficiency of the device are improved.
[0040] The linear guide mechanism 2, the first electric push rod 5, the first pressure sensor 6, the second electric push rod 13, the laser positioning sensor 18, the laser distance sensor 19, the third electric push rod 101 and the second pressure sensor 102 are connected to the control circuit board through wires. This connection method is a prior art and will not be explained here.
[0041] When the device is used, the part to be pressed is placed in the pressing groove 33, the linear guide mechanism 2 transports the part to be pressed and the conveying device 3 to the bottom of the second bracket 4, the laser positioning sensor 18 monitors the conveying device 3 until the part to be pressed and the conveying device 3 move to the set position, and then the multiple laser distance sensors 19 are started to measure the distance of the conveying device 3, the control circuit board evaluates the horizontality of the second moving seat 12, and then adjusts the second electric push rod 13 at the corresponding position so that the second moving seat 12 is in a horizontal state, the first electric push rod 5 is started, and the pressure head 11 in the second moving seat 12 applies initial pressure to the part to be pressed, and the first pressure sensor 6 monitors the horizontality of the second moving seat 12. The applied pressure is measured until the set pressure is reached, the first electric push rod 5 is closed, and then the third electric push rod 101 is started, driving the first pressure turntable 104 and the first roller pressure strip 105 to contact the upper surface of the pressure head 11, and the second pressure sensor 102 monitors the applied pressure. When the set value is reached, the third electric push rod 101 is closed, and the first servo motor 103 is started to drive the first pressure turntable 104 and the first roller pressure strip 105 to rotate, thereby performing secondary pressure and pressure maintenance on the pressure head 11, so that the parts to be pressed can be pressed more evenly and evenly, thereby improving the pressing quality of the parts to be pressed, and the pressing can be completed in one operation without repeated pressing, thereby improving the pressing efficiency.
[0042] Example 2
[0043] See also Figures 10-12The difference between the embodiment of the present invention and the embodiment 1 is that the first compacting rolling device 10 is replaced by a second compacting rolling device 20, the second compacting rolling device 20 includes a fourth electric push rod 201, a third pressure sensor 202 is fixedly provided at the end of the output shaft of the fourth electric push rod 201, a second servo motor 203 is provided below the third pressure sensor 202, a first connecting shaft 205 is provided below the second servo motor 203, a second connecting shaft 206 is provided below the first connecting shaft 205, the output shaft of the second servo motor 203 is fixedly connected to the upper end of the first connecting shaft 205 through a cross universal joint 204, the lower end of the first connecting shaft 205 is connected to the upper end of the second connecting shaft 206 through a cross universal joint 204, and the lower end of the second connecting shaft 206 is fixedly provided with a second The pressure turntable 207 is in the shape of a Lenaud triangle and matches the stepped hole on the second movable seat 12. A second roller strip 208 is embedded below the second pressure turntable 207 in a three-pointed star distribution and rotates evenly. The pressure head 11 is subjected to secondary pressure through the fourth electric push rod 201. The third pressure sensor 202 monitors the force applied by the fourth electric push rod 201. The stepped hole on the second movable seat 12 acts as a limiter, so that the second pressure turntable 207 rotates in the stepped hole. The second servo motor 203 drives the second pressure turntable 207 and the second roller strip 208 to rotate via the cross universal joint 204, the first connecting shaft 205, and the second connecting shaft 206, so that the second pressure turntable 207 and the second roller strip 208 can evenly apply pressure to the pressure head 11 over the maximum area (a square pressure method can be formed).
[0044] When the device is in use, the fourth electric push rod 201 is adjusted to drive the second pressure turntable 207 and the second roller pressure strip 208 to contact the upper surface of the pressure head 11, and the third pressure sensor 202 monitors the applied pressure. When the set value is reached, the second servo motor 203 is started to drive the second pressure turntable 207 and the second roller pressure strip 208 to rotate through the cross universal joint 204, the first connecting shaft 205, and the second connecting shaft 206, thereby performing secondary pressure and maintaining pressure on the pressure head 11, thereby improving the press-fitting quality of the parts to be press-fitted without the need for repeated press-fitting.
[0045] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.
[0046] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A rotary press machine, comprising a first bracket (1), characterized in that: A linear guide mechanism (2) is relatively fixedly arranged above the first bracket (1), a plurality of conveying devices (3) are evenly arranged above the linear guide mechanism (2), a second bracket (4) is fixedly arranged outside the linear guide mechanism (2) and located above the first bracket (1), a crossbeam (17) is fixedly arranged on the front side of the second bracket (4), a laser positioning sensor (18) is fixedly arranged in the middle of the rear end face of the crossbeam (17), a first electric push rod (5) is fixedly arranged at the center of the lower end face of the second bracket (4), a first moving seat (8) is arranged below the first electric push rod (5), and limiting slide bars (7) are respectively fixedly arranged at the four corners of the upper end face of the first moving seat (8), and the limiting slide bar (7) passes through the second bracket (4) and is slidably connected to the second bracket (4); A second moving seat (12) is arranged below the first moving seat (8); second electric push rods (13) are evenly and fixedly arranged at four corners of the lower end surface of the first moving seat (8); stepped grooves are provided at four corners of the upper end surface of the second moving seat (12) at positions corresponding to the second electric push rods (13); a lower limit rod (15) is installed in the stepped groove; a plurality of springs (16) are evenly arranged on the outer side of the lower limit rod (15) in the stepped groove; and the second electric push rod (15) is fixedly arranged in the stepped groove via a joint bearing (14). 3) the end of the output shaft is connected to the upper end of the lower limit rod (15); a laser distance sensor (19) corresponding to the second electric push rod (13) is evenly embedded on the lower end surface of the second movable seat (12); a stepped hole is opened on the second movable seat (12); a pressure head (11) is slidably installed in the stepped hole; a third bracket (9) is fixedly arranged above the middle of the second movable seat (12); and a first compacting rolling device (10) is arranged in the middle between the third bracket (9) and the pressure head (11); The first compacting rolling device (10) comprises a third electric push rod (101), the third electric push rod (101) is fixedly arranged on the lower end surface of the third bracket (9), a second pressure sensor (102) is fixedly arranged at the end of the output shaft of the third electric push rod (101), a first servo motor (103) is fixedly arranged below the second pressure sensor (102), a first pressure rotating disk (104) is fixedly arranged at the end of the output shaft of the first servo motor (103), and a plurality of first roller pressure strips (105) are evenly rotated and embedded below the first pressure rotating disk (104).
2. The rotary press machine according to claim 1, characterized in that: The conveying device (3) comprises a support seat (31), a mold (32) is arranged above the support seat (31), and a press-fitting groove (33) is provided on the upper end surface of the mold (32).
3. The rotary press assembly machine according to claim 1, characterized in that: A first pressure sensor (6) is fixedly arranged at the end of the output shaft of the first electric push rod (5).
4. The rotary press assembly machine according to claim 2, characterized in that: The laser distance sensor (19) is located outside the press-fitting groove (33), and the second electric push rod (13) and the laser distance sensor (19) are coaxial in the vertical direction.
5. The rotary press according to any one of claims 1 to 4, characterized in that: The first compacting rolling device (10) is replaced by a second compacting rolling device (20), wherein the second compacting rolling device (20) comprises a fourth electric push rod (201), a second servo motor (203) is arranged below the fourth electric push rod (201), a first connecting shaft (205) is arranged below the second servo motor (203), a second connecting shaft (206) is arranged below the first connecting shaft (205), an output shaft of the second servo motor (203) is fixedly connected to an upper end of the first connecting shaft (205) via a cross universal joint (204), a lower end of the first connecting shaft (205) is connected to an upper end of the second connecting shaft (206) via a cross universal joint (204), a second pressure rotating disk (207) is fixedly arranged at the lower end of the second connecting shaft (206), and the second pressure rotating disk (207) is in the shape of a Lenaud triangle and matches the stepped hole on the second movable seat (12).
6. The rotary press assembly machine according to claim 5, characterized in that: A third pressure sensor (202) is fixedly arranged at the end of the output shaft of the fourth electric push rod (201).
7. The rotary press assembly machine according to claim 6, characterized in that: A second roller pressure strip (208) is embedded below the second pressure rotating disk (207) in a three-pointed star-shaped pattern so as to rotate evenly.
