Pneumatic press for assembling electric connector

Abstract

The invention relates to the related technical field of pneumatic press machines, in particular to a pneumatic press machine for assembling an electric connector, which comprises a base, a first-stage feeding structure, a second-stage feeding structure, a first-stage feeding structure, a second-stage feeding structure, a telescopic cylinder and an unloading conveying belt, a rotating shaft seat is fixedly mounted at the upper side end of the mounting plate through a first support, the first-stage feeding structure is fixed to the rotating shaft seat through a second support, and the first-stage feeding structure is used for feeding a first component; according to the pneumatic press for assembling the electric connector, the base, the first-stage feeding structure, the second-stage feeding structure, the first-stage feeding structure, the second-stage feeding structure, the telescopic air cylinder and the discharging conveying belt are combined to form the pneumatic press for assembling the electric connector, so that the pneumatic press can continuously press and position a first component and a second component; compared with a traditional machining mode of feeding, pressing and discharging, the machining efficiency of the device is higher, and therefore the assembling efficiency of the device is effectively improved.

Description

Technical Field

[0001] The present invention relates to the technical field of pneumatic presses, and particularly to a pneumatic press for assembling electrical connectors. Background Art

[0002] A press is a general-purpose press with a delicate structure. It has the characteristics of wide application and high production efficiency. The press can be widely used in processes such as cutting, punching, blanking, bending, riveting, and forming. By applying a strong pressure to a metal blank, the metal is plastically deformed and fractured to process into parts; A Chinese patent document with the publication number CN110588038A discloses a press. Its solution includes a main body fuselage, a translation bracket, a translation structure, a translation motor, an upper pressing cylinder structure, a lower pressing cylinder structure, a hydraulic system, and an electrical system. The translation bracket is installed on the left side of the main body fuselage, and its upper plane is flush with the upper end surface of the mounting plate provided at the lower end of the main body fuselage. The translation structure is arranged above the translation bracket. At the same time, the guide rail provided on the translation mechanism is placed on the translation bracket, and the guide rail extends to the upper end of the mounting plate provided at the lower end of the main body fuselage. The lower pressing cylinder structure is installed on the mounting plate provided at the lower end of the main body fuselage, and the lower pressing cylinder structure is located between the two guide rails. The translation motor is installed on the platform provided at the lower end of the main body fuselage, and the translation motor is arranged on the right side of the lower pressing cylinder structure. The upper pressing cylinder mechanism is installed at the upper end of the main body fuselage. At the same time, the replaceable pressing head provided on the upper pressing cylinder structure is arranged opposite to the lower pressing head provided on the lower pressing cylinder structure; However, in the above solution, the feeding process and the assembly process of the equipment can only be carried out intermittently, which has a certain impact on the overall assembly efficiency of the equipment. Therefore, the present invention proposes a pneumatic press for assembling electrical connectors to solve the above problems. Summary of the Invention

[0003] The purpose of the present invention is to provide a pneumatic press for assembling electrical connectors to solve the problems raised in the above background art.

[0004] To achieve the above purpose, the present invention provides the following technical solution: A pneumatic press for assembling electrical connectors, comprising: A base, on which a mounting plate is fixedly installed through a first support leg, and a rotating shaft seat is fixedly installed at the upper side end of the mounting plate through a first bracket; A primary feeding structure, which is fixed on the rotating shaft seat through a second bracket, and the primary feeding structure is used for feeding part one; A secondary feeding structure, which is fixed on the rotating shaft seat through a third bracket, and the secondary feeding structure is used for feeding part two; The first-level feeding structure is used to convey Component 1; The second-level feeding structure is used to convey Component 2; The telescopic air cylinder, the main body of which is fixed on the rotating shaft seat through the fourth bracket, and the telescopic air cylinder is used to press-fit and connect Component 1 and Component 2; The unloading conveyor belt is fixed on the base through the second support leg, and the unloading conveyor belt is used to convey the electrical connector formed by connecting Component 1 and Component 2 to the packing station.

[0005] Preferably, a first-level rotating shaft, a second-level rotating shaft, a third-level rotating shaft, a fourth-level rotating shaft, a fifth-level rotating shaft and a sixth-level rotating shaft are rotatably installed between the mounting plate and the rotating shaft seat. The first-level rotating shaft, the third-level rotating shaft and the fifth-level rotating shaft are arranged side by side. The second-level rotating shaft, the fourth-level rotating shaft and the sixth-level rotating shaft are arranged side by side. A first-level pulley and a second-level pulley are fixedly installed on the first-level rotating shaft. A third-level pulley and a fourth-level pulley are fixedly installed on the second-level rotating shaft. A fifth-level pulley is fixedly installed on the third-level rotating shaft. A sixth-level pulley is fixedly installed on the fourth-level rotating shaft. A seventh-level pulley is fixedly installed on the fifth-level rotating shaft. An eighth-level pulley is fixedly installed on the sixth-level rotating shaft. The first-level pulley, the second-level pulley, the third-level pulley, the fourth-level pulley, the fifth-level pulley, the sixth-level pulley, the seventh-level pulley and the eighth-level pulley have the same model.

[0006] Preferably, the first-level feeding structure includes a first-level conveyor belt and a second-level conveyor belt. The first-level conveyor belt is installed between the first-level pulley and the seventh-level pulley. The second-level conveyor belt is installed between the third-level pulley and the eighth-level pulley. The first-level conveyor belt and the second-level conveyor belt are symmetrically installed. Corresponding load-bearing grooves are formed on the first-level conveyor belt and the second-level conveyor belt. When the first-level feeding structure conveys Component 1, Component 1 is placed in the load-bearing groove.

[0007] Preferably, the second-level feeding structure includes a third-level conveyor belt and a fourth-level conveyor belt. The third-level conveyor belt is installed between the second-level pulley and the fifth-level pulley. The fourth-level conveyor belt is installed between the fourth-level pulley and the sixth-level pulley. The third-level conveyor belt and the fourth-level conveyor belt are symmetrically installed. Corresponding guiding grooves are formed on the third-level conveyor belt and the fourth-level conveyor belt. Positioning grooves are formed at the lower end positions of the side walls of the guiding grooves. Positioning plates are fixedly connected to the upper end positions of the positioning grooves. Elastic pieces are integrally formed at the lower side ends of the positioning plates. When the elastic pieces are in the reset state, the lower side ends of the elastic pieces are inclined outwards. When the second-level feeding structure conveys Component 2, Component 2 is located in the guiding groove, and the lower side end of Component 2 is placed on the elastic piece.

[0008] Preferably, the bearing grooves on the primary conveyor belt and the secondary conveyor belt and the guide grooves on the tertiary conveyor belt and the fourth conveyor belt are arranged correspondingly. When the bearing grooves and the guide grooves move to the position directly below the telescopic rod of the telescopic cylinder, the telescopic cylinder moves, thereby pushing the telescopic rod of the telescopic cylinder downward, so that component two is pressed and positioned on component one, and at this time, the elastic sheet is fully retracted into the positioning groove under the force.

[0009] Preferably, a stepper motor is fixedly mounted on the base, and the output shaft of the stepper motor is transmission-connected to the lower side end of the primary rotating shaft through a coupling, a transmission gear is fixedly mounted on the primary rotating shaft, and a driven gear is fixedly mounted on the secondary rotating shaft, the transmission gear and the driven gear are of the same model, and the transmission gear and the driven gear are meshingly arranged, and during a single driving process of the stepper motor, the movement distances of the primary conveyor belt, the secondary conveyor belt, the tertiary conveyor belt, and the fourth conveyor belt are all equal to the spacing value of adjacent bearing grooves.

[0010] Preferably, a material guide chute is fixedly installed on the side plate of the unloading conveyor belt through a connecting block, the material guide chute is inclined, and the upper end of the material guide chute is located directly below the drop point on the primary conveyor belt and the secondary conveyor belt, and the lower port of the material guide chute is located directly above the unloading conveyor belt.

[0011] Preferably, a support platform is fixedly mounted on the mounting plate, a force-bearing seat is fixedly mounted on the upper surface of the support platform, a wedge-shaped surface is provided on the upper surface of the force-bearing seat, and the horizontal portion of the upper surface of the force-bearing seat is located directly below the telescopic cylinder, and the lowest point of the wedge-shaped surface on the force-bearing seat is lower than the bottom surface of the bearing groove, and the highest point of the wedge-shaped surface on the force-bearing seat is higher than the bottom surface of the bearing groove.

[0012] Preferably, the distance between the lower end surface of the primary feeding structure and the upper surface of the primary conveyor belt is smaller than the length value of component one, and the distance between the lower end surface of the secondary feeding structure and the upper surface of the tertiary conveyor belt is smaller than the length value of component two.

[0013] Preferably, the first-stage pulley, the second-stage pulley, the third-stage pulley, the fourth-stage pulley, the fifth-stage pulley, the sixth-stage pulley, the seventh-stage pulley and the eighth-stage pulley are all toothed pulleys.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. By setting up a pneumatic press for assembling electrical connectors, which is composed of a base, a first-stage feeding structure, a second-stage feeding structure, a first-stage feeding conveyor, a second-stage feeding conveyor, a telescopic cylinder, and a discharging conveyor belt, the pneumatic press can continuously press-fit and position Component 1 and Component 2. Compared with the traditional processing method of feeding, press-fitting, and discharging, the processing efficiency of this device is higher, thus effectively improving the assembly efficiency of the equipment; 2. By setting the first-stage feeding conveyor as a combination of a first-stage conveyor belt and a second-stage conveyor belt, and opening a carrying groove on the first-stage conveyor belt and the second-stage conveyor belt, and setting the second-stage feeding conveyor as a combination of a third-stage conveyor belt and a fourth-stage conveyor belt, and opening a guiding groove on the third-stage conveyor belt and the fourth-stage conveyor belt, and setting a positioning plate with an elastic piece in the positioning groove on the side wall of the guiding groove, the Component 2 is positioned by the elastic piece. When the telescopic cylinder presses down, the elastic piece will rebound, so that Component 1 and Component 2 can be smoothly connected together. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic structural diagram of the present invention; Figure 2 is Figure 1 an enlarged schematic view of the structure at A in Figure 3 It is a schematic diagram of the overall framework of the present invention; Figure 4 It is a schematic diagram of the distribution of the conveyor belts of the present invention; Figure 5 is Figure 4 an enlarged schematic view of the structure at B in Figure 6 It is a sectional view of the present invention along the positions of the first-stage feeding structure and the second-stage feeding structure; Figure 7 is Figure 6 an enlarged schematic view of the structure at C in Figure 8 is Figure 6 an enlarged schematic view of the structure at D in Figure 9 It is a sectional view of the present invention along the position of the telescopic cylinder; Figure 10 is Figure 9 an enlarged schematic view of the structure at E in Figure 11 It is a schematic diagram of the first-stage conveyor belt structure of the present invention; Figure 12 is Figure 11 an enlarged schematic view of the structure at F in Figure 13 It is a schematic diagram of the third-stage conveyor belt structure of the present invention; Figure 14For Figure 13 Schematic enlarged view of the structure at position G in Figure 15 Schematic diagram of the positioning plate and elastic sheet structure of the present invention.

[0016] In the figure: base 1, primary feeding structure 2, secondary feeding structure 3, telescopic air cylinder 4, discharging conveyor belt 5, first support leg 6, mounting plate 7, first bracket 8, rotating shaft seat 9, second bracket 10, third bracket 11, fourth bracket 13, second support leg 14, primary rotating shaft 15, secondary rotating shaft 16, tertiary rotating shaft 17, quaternary rotating shaft 18, quinary rotating shaft 19, senary rotating shaft 20, primary pulley 21, secondary pulley 22, tertiary pulley 23, quaternary pulley 24, quinary pulley 25, senary pulley 26, septenary pulley 27, octal pulley 28, primary conveyor belt 29, secondary conveyor belt 30, tertiary conveyor belt 31, quaternary conveyor belt 32, bearing groove 33, guiding groove 34, positioning groove 35, positioning plate 36, elastic sheet 37, component one 38, component two 39, stepping motor 40, driving gear 41, driven gear 42, connecting block 43, material guiding channel 44, support platform 45, force receiving seat 46. Specific embodiments

[0017] 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.

[0018] Please refer to Figures 1 - 15 , and the present invention provides embodiments of the following three preferred solutions: Embodiment 1: A pneumatic press for assembling an electrical connector, comprising a base 1, a primary feeding structure 2, a secondary feeding structure 3, a primary feeding conveyor, a secondary feeding conveyor, a telescopic cylinder 4, and a discharging conveyor belt 5. An installation plate 7 is fixedly installed on the base 1 through a first support leg 6. A rotating shaft seat 9 is fixedly installed on the upper side end of the installation plate 7 through a first bracket 8. The primary feeding structure 2 is fixed on the rotating shaft seat 9 through a second bracket 10, and the primary feeding structure 2 is used for feeding part one 38. The secondary feeding structure 3 is fixed on the rotating shaft seat 9 through a third bracket 11, and the secondary feeding structure 3 is used for feeding part two 39. The primary feeding conveyor is used for conveying part one 38, and the secondary feeding conveyor is used for conveying part two 39. The main body of the telescopic cylinder 4 is fixed on the rotating shaft seat 9 through a fourth bracket 13, and the telescopic cylinder 4 is used for press-fitting and connecting part one 38 and part two 39. The discharging conveyor belt 5 is fixed on the base 1 through a second support leg 14, and the discharging conveyor belt 5 is used for conveying the electrical connector formed by connecting part one 38 and part two 39 to the packing station. By providing a pneumatic press for assembling an electrical connector composed of the base 1, the primary feeding structure 2, the secondary feeding structure 3, the primary feeding conveyor, the secondary feeding conveyor, the telescopic cylinder 4, and the discharging conveyor belt 5, the pneumatic press can continuously perform press-fitting and positioning on part one 38 and part two 39. Compared with the traditional processing method of feeding, press-fitting, and discharging, the processing efficiency of this device is higher, thus effectively improving the assembly efficiency of the equipment.

[0019] A primary rotating shaft 15, a secondary rotating shaft 16, a tertiary rotating shaft 17, a quaternary rotating shaft 18, a quinary rotating shaft 19, and a senary rotating shaft 20 are rotatably installed between the installation plate 7 and the rotating shaft seat 9. The primary rotating shaft 15, the tertiary rotating shaft 17, and the quinary rotating shaft 19 are arranged side by side, and the secondary rotating shaft 16, the quaternary rotating shaft 18, and the senary rotating shaft 20 are arranged side by side. A primary pulley 21 and a secondary pulley 22 are fixedly installed on the primary rotating shaft 15. A tertiary pulley 23 and a quaternary pulley 24 are fixedly installed on the secondary rotating shaft 16. A quinary pulley 25 is fixedly installed on the tertiary rotating shaft 17. A senary pulley 26 is fixedly installed on the quaternary rotating shaft 18. A septenary pulley 27 is fixedly installed on the quinary rotating shaft 19. An octal pulley 28 is fixedly installed on the senary rotating shaft 20. The primary pulley 21, the secondary pulley 22, the tertiary pulley 23, the quaternary pulley 24, the quinary pulley 25, the senary pulley 26, the septenary pulley 27, and the octal pulley 28 have the same model.

[0020] The first-level feeding structure includes a first-level conveyor belt 29 and a second-level conveyor belt 30. The first-level conveyor belt 29 is installed between the first-level pulley 21 and the seventh-level pulley 27. The second-level conveyor belt 30 is installed between the third-level pulley 23 and the eighth-level pulley 28. The first-level conveyor belt 29 and the second-level conveyor belt 30 are symmetrically installed. And corresponding load-bearing grooves 33 are provided on the first-level conveyor belt 29 and the second-level conveyor belt 30. When the first-level feeding structure conveys the first component 38, the first component 38 is placed in the load-bearing groove 33. The second-level feeding structure includes a third-level conveyor belt 31 and a fourth-level conveyor belt 32. The third-level conveyor belt 31 is installed between the second-level pulley 22 and the fifth-level pulley 25. The fourth-level conveyor belt 32 is installed between the fourth-level pulley 24 and the sixth-level pulley 26. The third-level conveyor belt 31 and the fourth-level conveyor belt 32 are symmetrically installed. And corresponding guide grooves 34 are provided on the third-level conveyor belt 31 and the fourth-level conveyor belt 32. Positioning grooves 35 are provided at the lower positions of the side walls of the guide grooves 34. A positioning plate 36 is fixedly connected to the upper position of the positioning groove 35. An elastic piece 37 is integrally formed at the lower side end of the positioning plate 36. When the elastic piece 37 is in the reset state, the lower side end of the elastic piece 37 is inclined outward. When the second-level feeding structure conveys the second component 39, the second component 39 is located in the guide groove 34, and the lower side end of the second component 39 is placed on the elastic piece 37.

[0021] The load-bearing grooves 33 on the first-level conveyor belt 29 and the second-level conveyor belt 30 correspond to the guide grooves 34 on the third-level conveyor belt 31 and the fourth-level conveyor belt 32. When the load-bearing grooves 33 and the guide grooves 34 move to the position directly below the telescopic rod of the telescopic cylinder 4, the telescopic cylinder 4 moves forward, thereby pushing the telescopic rod of the telescopic cylinder 4 downward, so that the second component 39 is pressed and positioned on the first component 38. And at this time, the elastic piece 37 is completely received into the positioning groove 35 under force. By setting the first-level feeding structure to be composed of the combination of the first-level conveyor belt 29 and the second-level conveyor belt 30, and providing the load-bearing grooves 33 on the first-level conveyor belt 29 and the second-level conveyor belt 30, and setting the second-level feeding structure to be composed of the combination of the third-level conveyor belt 31 and the fourth-level conveyor belt 32, and providing the guide grooves 34 on the third-level conveyor belt 31 and the fourth-level conveyor belt 32, and providing the positioning plate 36 with the elastic piece 37 in the positioning groove 35 on the side wall of the guide groove 34, the second component 39 is positioned by the elastic piece 37. When the telescopic cylinder 4 presses downward, the elastic piece 37 will rebound, so that the first component 38 and the second component 39 can be smoothly connected together.

[0022] Embodiment 2: On the basis of Embodiment 1, a stepping motor 40 is fixedly installed on the base 1. The output shaft of the stepping motor 40 is drivingly connected to the lower end of the first-stage rotating shaft 15 through a coupling. A transmission gear 41 is fixedly installed on the first-stage rotating shaft 15, and a driven gear 42 is fixedly installed on the second-stage rotating shaft 16. The transmission gear 41 and the driven gear 42 have the same model, and the transmission gear 41 and the driven gear 42 are meshed with each other. During a single drive process of the stepping motor 40, the moving distances of the first-stage conveyor belt 29, the second-stage conveyor belt 30, the third-stage conveyor belt 31, and the fourth-stage conveyor belt 32 are all equal to the spacing value between adjacent bearing grooves 33.

[0023] A material guiding channel 44 is fixedly installed on the side plate of the discharging conveyor belt 5 through a connecting block 43. The material guiding channel 44 is inclined, and the upper end of the material guiding channel 44 is directly below the material falling points on the first-stage conveyor belt 29 and the second-stage conveyor belt 30, and the lower end port of the material guiding channel 44 is directly above the discharging conveyor belt 5, which is convenient for the processed electrical connectors to better fall on the discharging conveyor belt 5.

[0024] A support platform 45 is fixedly installed on the mounting plate 7. A force-bearing seat 46 is fixedly installed on the upper surface of the support platform 45. A wedge surface is provided on the upper surface of the force-bearing seat 46. The horizontal part of the upper surface of the force-bearing seat 46 is directly below the telescopic cylinder 4. The lowest point of the wedge surface on the force-bearing seat 46 is lower than the bottom surface of the bearing groove 33, and the highest point of the wedge surface on the force-bearing seat 46 is higher than the bottom surface of the bearing groove 33. Through the settings of the support platform 45 and the force-bearing seat 46, the lower-side force-bearing stability of the component 38 is improved, thereby ensuring the stability after the component 39 and the component 38 are press-fitted.

[0025] Embodiment 3: On the basis of Embodiment 2, the spacing value between the lower end surface of the first-stage feeding structure 2 and the upper surface of the first-stage conveyor belt 29 is less than the length value of the component 38, and the spacing value between the lower end surface of the second-stage feeding structure 3 and the upper surface of the third-stage conveyor belt 31 is less than the length value of the component 39. The component 38 is manually added to the first-stage feeding structure 2 in a specific direction, and the component 39 is manually added to the second-stage feeding structure 3 in a specific direction, so that the component 38 and the component 39 can be stably and quickly added subsequently, and the adding position is far from the telescopic cylinder 4, thereby effectively ensuring the safety of the staff during the operation process.

[0026] The first-stage pulley 21, the second-stage pulley 22, the third-stage pulley 23, the fourth-stage pulley 24, the fifth-stage pulley 25, the sixth-stage pulley 26, the seventh-stage pulley 27, and the eighth-stage pulley 28 are all toothed pulleys, which improve the transmission stability and transmission accuracy of the first-stage conveyor belt 29, the second-stage conveyor belt 30, the third-stage conveyor belt 31, and the fourth-stage conveyor belt 32.

[0027] Although the above-described illustrative specific embodiments of the present application have been described to enable those skilled in the art to understand the present application, the present application is not limited to the scope of the specific embodiments. For those of ordinary skill in the art, as long as various changes are within the spirit and scope of the present application defined and determined by the appended claims, all inventions created using the concept of the present application are within the scope of protection.

Claims

1. A pneumatic press for assembling an electrical connector, characterized in that: Including: A base (1), on which a mounting plate (7) is fixedly installed through a first support leg (6), and a rotating shaft seat (9) is fixedly installed on the upper side end of the mounting plate (7) through a first bracket (8); A primary feeding structure (2), which is fixedly installed on the rotating shaft seat (9) through a second bracket (10), and the primary feeding structure (2) is used for feeding a first component (38); A secondary feeding structure (3), which is fixedly installed on the rotating shaft seat (9) through a third bracket (11), and the secondary feeding structure (3) is used for feeding a second component (39); A primary feeding structure for conveying the first component (38); A secondary feeding structure for conveying the second component (39); A telescopic cylinder (4), the main body of which is fixedly installed on the rotating shaft seat (9) through a fourth bracket (13), and the telescopic cylinder (4) is used for press-fitting and connecting the first component (38) and the second component (39); A discharging conveyor belt (5), which is fixedly installed on the base (1) through a second support leg (14), and the discharging conveyor belt (5) is used for conveying the electrical connector formed by connecting the first component (38) and the second component (39) to the packing station; 2. The pneumatic press for assembling an electrical connector according to claim 1, wherein: A primary rotating shaft (15), a secondary rotating shaft (16), a tertiary rotating shaft (17), a quaternary rotating shaft (18), a quinary rotating shaft (19) and a senary rotating shaft (20) are rotatably installed between the mounting plate (7) and the rotating shaft seat (9). The primary rotating shaft (15), the tertiary rotating shaft (17) and the quinary rotating shaft (19) are arranged side by side, and the secondary rotating shaft (16), the quaternary rotating shaft (18) and the senary rotating shaft (20) are arranged side by side. A primary pulley (21) and a secondary pulley (22) are fixedly installed on the primary rotating shaft (15), a tertiary pulley (23) and a quaternary pulley (24) are fixedly installed on the secondary rotating shaft (16), a quinary pulley (25) is fixedly installed on the tertiary rotating shaft (17), a senary pulley (26) is fixedly installed on the quaternary rotating shaft (18), a septenary pulley (27) is fixedly installed on the quinary rotating shaft (19), and an octal pulley (28) is fixedly installed on the senary rotating shaft (20). The primary pulley (21), the secondary pulley (22), the tertiary pulley (23), the quaternary pulley (24), the quinary pulley (25), the senary pulley (26), the septenary pulley (27) and the octal pulley (28) are of the same model.

3. The pneumatic press for assembling an electrical connector according to claim 2, wherein: The primary feeding structure includes a primary conveyor belt (29) and a secondary conveyor belt (30). The primary conveyor belt (29) is installed between the primary pulley (21) and the seventh pulley (27). The secondary conveyor belt (30) is installed between the third pulley (23) and the eighth pulley (28). The primary conveyor belt (29) and the secondary conveyor belt (30) are symmetrically installed. And corresponding load-bearing grooves (33) are provided on the primary conveyor belt (29) and the secondary conveyor belt (30). When the primary feeding structure conveys the first component (38), the first component (38) is placed in the load-bearing groove (33).

4. The pneumatic press for assembling an electrical connector according to claim 3, characterized in that: The secondary feeding structure includes a third conveyor belt (31) and a fourth conveyor belt (32). The third conveyor belt (31) is installed between the secondary pulley (22) and the fifth pulley (25). The fourth conveyor belt (32) is installed between the fourth pulley (24) and the sixth pulley (26). The third conveyor belt (31) and the fourth conveyor belt (32) are symmetrically installed. And corresponding guiding grooves (34) are provided on the third conveyor belt (31) and the fourth conveyor belt (32). Positioning grooves (35) are provided at the lower end positions of the side walls of the guiding grooves (34). A positioning plate (36) is fixedly connected to the upper end position of the positioning groove (35). An elastic sheet (37) is integrally formed at the lower side end of the positioning plate (36). When the elastic sheet (37) is in the reset state, the lower side end of the elastic sheet (37) is inclined outward. When the secondary feeding structure conveys the second component (39), the second component (39) is located in the guiding groove (34), and the lower side end of the second component (39) is placed on the elastic sheet (37).

5. The pneumatic press for assembling an electrical connector according to claim 4, wherein: The load-bearing grooves (33) on the primary conveyor belt (29) and the secondary conveyor belt (30) and the guiding grooves (34) on the third conveyor belt (31) and the fourth conveyor belt (32) are arranged correspondingly. When the load-bearing grooves (33) and the guiding grooves (34) move to the position directly below the telescopic rod of the telescopic cylinder (4), the telescopic cylinder (4) moves forward, thereby pushing the telescopic rod of the telescopic cylinder (4) downward, so that the second component (39) is pressed and positioned on the first component (38). And at this time, the elastic sheet (37) is completely received into the positioning groove (35) under the action of force.

6. The pneumatic press for assembling an electrical connector according to claim 5, characterized in that: A stepper motor (40) is fixedly installed on the base (1). The output shaft of the stepper motor (40) is drivingly connected to the lower end of the first-level rotating shaft (15) through a coupling. A transmission gear (41) is fixedly installed on the first-level rotating shaft (15). A driven gear (42) is fixedly installed on the second-level rotating shaft (16). The transmission gear (41) and the driven gear (42) have the same model, and the transmission gear (41) and the driven gear (42) are meshed with each other. During a single drive of the stepper motor (40), the moving distances of the first-level conveyor belt (29), the second-level conveyor belt (30), the third-level conveyor belt (31), and the fourth-level conveyor belt (32) are all equal to the spacing value between adjacent loading slots (33).

7. An air pressure press for assembling an electrical connector according to claim 6, characterized in that: A material guiding channel (44) is fixedly installed on the side plate of the discharging conveyor belt (5) through a connecting block (43). The material guiding channel (44) is inclined, and the upper end of the material guiding channel (44) is directly below the material dropping points on the first-level conveyor belt (29) and the second-level conveyor belt (30), and the lower end port of the material guiding channel (44) is directly above the discharging conveyor belt (5).

8. The pneumatic press for assembling an electrical connector according to claim 7, characterized in that: A support platform (45) is fixedly installed on the mounting plate (7). A force-bearing seat (46) is fixedly installed on the upper surface of the support platform (45). A wedge surface is provided on the upper surface of the force-bearing seat (46). The horizontal part of the upper surface of the force-bearing seat (46) is directly below the telescopic cylinder (4). The lowest point of the wedge surface on the force-bearing seat (46) is lower than the bottom surface of the loading slot (33), and the highest point of the wedge surface on the force-bearing seat (46) is higher than the bottom surface of the loading slot (33).

9. The pneumatic press for assembling an electrical connector according to claim 8, wherein: The spacing value between the lower end surface of the first-level feeding structure (2) and the upper surface of the first-level conveyor belt (29) is less than the length value of the first component (38); The spacing value between the lower end surface of the second-level feeding structure (3) and the upper surface of the third-level conveyor belt (31) is less than the length value of the second component (39).

10. The pneumatic press for assembling an electrical connector according to claim 9, wherein: The first-level pulley (21), the second-level pulley (22), the third-level pulley (23), the fourth-level pulley (24), the fifth-level pulley (25), the sixth-level pulley (26), the seventh-level pulley (27), and the eighth-level pulley (28) are all toothed pulleys.

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