Pneumatic sole pressing machine

Abstract

The utility model relates to the technical field of shoemaking equipment, in particular to a pneumatic sole pressing machine which comprises a machine frame, a machine case, an electric box, a control panel, an edge pressing mechanism and an upper pressing mechanism, universal wheels are arranged on the lower portion of the machine frame, the machine case is arranged on the upper portion of the machine frame, the electric box is arranged in the machine case, the control panel is arranged on the upper portion of the machine case, and a machine table installation plate is arranged in the middle of the machine frame. The two sets of edge pressing mechanisms are fixed to the machine table mounting plate, the upper pressing top plate is arranged at the top of the machine box, the two sets of upper pressing mechanisms are fixed to the lower portion of the upper pressing top plate, and the air storage tank is arranged on the portion, on the lower portion of the machine table mounting plate, of the machine frame. The pneumatic structures act uniformly and softly in cooperation with an air storage tank, the upper pulling and pressing effects are stable, the whole machine is easy to operate, compared with an existing hydraulic drive structure, maintenance is easier, electric energy consumption is reduced, heat emission is reduced, and the low-temperature input cost of a plant is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of shoe-making equipment, in particular to a pneumatic sole pressing machine. Background Art

[0002] Shoes are indispensable to human life. With the improvement of human life quality, people also begin to pursue high-end shoes. As the shoemaking industry has also been replaced by machines from the initial manual shoemaking, of course, whether the shoes are durable depends on the shoe sole pasting, which is one of the most important links in the shoemaking process. The sole pressing machine is a device specially designed to assist in the sole pasting.

[0003] The sole pressing machines commonly used in the industry now all adopt hydraulic drive. Although they can complete the process of forming the upper and sole, hydraulic drive increases the equipment cost and the cost of use. In addition, the hydraulic system will inevitably have oil spills and is difficult to maintain. In addition, high temperature is easily generated when the hydraulic drive is working. The high temperature emitted by the equipment increases the room temperature of the factory and affects the working environment of the operators. Utility Model Content

[0004] The purpose of the utility model is to provide a pneumatic sole pressing machine in view of the deficiencies in the prior art. The structure of the pneumatic sole pressing machine is scientific and ingenious. It is driven by a pneumatic structure to complete the processes of sole pressing, edge pressing, and front and rear tightening. There is no need to use additional hydraulic oil. In conjunction with an air storage tank, the movements of each pneumatic structure are uniform and gentle, the side pressing effect is stable, the whole machine is simple to operate, and compared with the previous hydraulic drive structure, it is easier to maintain, saves electricity consumption, reduces heat emissions, and reduces the low-temperature investment cost of the factory.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A pneumatic sole pressing machine comprises a frame, a chassis, an electric box, a control panel, a side pressing mechanism, and an upper pressing mechanism. The lower part of the frame is provided with a universal wheel, the chassis is arranged on the upper part of the frame, the electric box is arranged inside the chassis, the control panel is arranged on the upper part of the chassis, a machine mounting plate is arranged in the middle part of the frame, the side pressing mechanism is fixed on the machine mounting plate in two groups, an upper pressing top plate is arranged on the top of the chassis, the upper pressing mechanism is fixed on the lower part of the upper pressing top plate in two groups, and an air storage tank is arranged on the frame below the machine mounting plate;

[0007] The edge pressing mechanism is provided with a lifting cylinder, which is fixed under the machine mounting plate, and the piston rod of the lifting cylinder penetrates the top of the machine mounting plate, and a edge pressing bottom plate is fixed on the top of the piston rod of the lifting cylinder, and a side pressing device and a tightening device are provided on the edge pressing bottom plate, and a lifting guide rod is provided under the edge pressing bottom plate, and the lifting guide rod is slidably connected to the machine mounting plate;

[0008] The upper pressure mechanism is provided with a pressure rod supporting bridge, a rotating pressure block, and a rotating cylinder. A rotating screw is fixed on the pressure rod supporting bridge. The pressure rod supporting bridge is movably connected to the upper pressure top plate through the rotating screw. The rotating pressure block and the rotating cylinder are fixed on the lower side of the upper pressure top plate. The rotating pressure block is an arc structure and is movably connected to one end of the pressure rod supporting bridge. The piston rod of the rotating cylinder is movably connected to one side of the pressure rod supporting bridge. A front pressure rod device, a rear pressure rod device, and a balancing device are provided below the pressure rod supporting bridge.

[0009] Furthermore, the side pressure device is symmetrically arranged in two groups, and the side pressure device is provided with an edge pressing integrated cylinder, which is fixed on the edge pressing bottom plate, and the edge pressing integrated cylinder is provided with a plurality of groups of piston rods, and the end of each group of piston rods is movably connected with an edge pressing rubber block;

[0010] The two groups of tightening devices are symmetrically arranged, and a tightening cylinder mounting plate is provided on the tightening device, which is fixed to the side of the pressure edge bottom plate, and a tightening cylinder is fixed to the inner side surface of the tightening cylinder mounting plate, and the piston rod of the tightening cylinder passes through the other side of the tightening cylinder mounting plate, and the end of the piston rod of the tightening cylinder is fixedly connected to the tightener mounting plate, and a tightening guide rod is fixed to the inner side surface of the tightener mounting plate, and the tightening guide rod is slidingly connected to the tightening cylinder mounting plate, and a tightening electric cylinder is fixed to the other side of the tightener mounting plate, and a tightening motor plate is fixed to the other end of the tightening electric cylinder, and a tightening servo motor is also fixed to the tightening motor plate, and the cylinder core of the tightening electric cylinder is connected to the main shaft of the tightening servo motor through a synchronous belt, and the other end of the cylinder core of the tightening electric cylinder passes through the other side of the tightener mounting plate, and a tightener is fixed to the end of the cylinder core of the tightening electric cylinder.

[0011] Furthermore, the pressure rod supporting bridge is an "I"-shaped structure, with supporting bridge slide grooves provided on both sides of the pressure rod supporting bridge, a pressure rod positioning hole provided on one side of the pressure rod supporting bridge, and two sets of pressure rod pushing handles movably connected to the other side of the pressure rod supporting bridge;

[0012] The front pressure rod device is provided with a front pressure rod seat at the top, and a front pressure rod is provided at the bottom of the front pressure rod seat. The rear pressure rod device is provided with a rear pressure rod seat, and a rear pressure rod is provided at the bottom of the rear pressure rod seat. A piston structure is provided between the front pressure rod seat and the front pressure rod, and a piston structure is provided between the rear pressure rod seat and the rear pressure rod. The front pressure rod seat and the rear pressure rod seat are both slidably connected with the pressure rod supporting bridge through a supporting bridge slide groove. The top sides of the front pressure rod seat and the rear pressure rod seat are provided with pressure rod locating pins, and the pressure rod locating pins are correspondingly arranged with the pressure rod locating holes. A pressure head is provided at the bottom of the front pressure rod, and a pressure foot is provided at the bottom of the rear pressure rod. An opening is provided in the middle of the front pressure rod seat and the rear pressure rod seat, and a balancing pressure shaft is provided in the opening that runs through both sides horizontally, and the balancing pressure shaft is respectively arranged at the top of the front pressure rod and the rear pressure rod;

[0013] The balancing device is a lever structure, which is arranged in the lower middle section of the pressure rod supporting bridge. A balancing shaft is arranged on the balancing device, and balancing rods are arranged on both sides of the balancing shaft. The middle part of the balancing rod is movably connected to the lower part of the pressure rod supporting bridge through the balancing shaft.

[0014] Furthermore, the edge pressing mechanism performs up and down reciprocating motion by the power of the lifting cylinder, and the upper pressing mechanism performs angular rotation displacement around the rotating screw by the power of the rotating cylinder.

[0015] Furthermore, the edge-pressing rubber blocks on the two groups of the side-pressing devices perform lateral reciprocating motion toward the opposite side through the power of the edge-pressing integrated cylinder on the same side; the tightening electric cylinders and the tightening servo motors on the two groups of the tightening devices synchronously perform forward and backward reciprocating motion toward the opposite side through the power of the tightening electric cylinders on the same side, and the tighteners and the tightening electric cylinders synchronously perform forward and backward reciprocating motion toward the opposite side, and the tighteners also perform forward and backward reciprocating motion by driving the tightening electric cylinders through the tightening servo motor.

[0016] Furthermore, both ends of the balancing rod are respectively arranged corresponding to the balancing pressure shafts on the front pressure rod seat and the rear pressure rod seat, and the balancing rod is arranged on the upper part of the balancing pressure shaft.

[0017] Furthermore, the two groups of pressure rod pushing handles on the sides of the pressure rod supporting bridge are movably connected to the balancing pressure shafts on the front pressure rod seat and the rear pressure rod seat respectively.

[0018] The utility model has the following beneficial effects compared with the prior art through the above technical solution:

[0019] 1. The utility model provides a pneumatic sole pressing machine, which completely replaces the previous hydraulic drive structure by driving the processes of sole pressing, edge pressing, and front and rear tightening with a pneumatic structure, and the processes of sole pressing, edge pressing, and front and rear tightening can be controlled synchronously or individually, which not only has high working efficiency, but also cooperates with the air storage tank to make the movements of each pneumatic structure uniform and soft, the side pressing effect is stable, the whole machine is simple to operate and easy to maintain, saves electricity consumption, reduces heat emission, and reduces the low-temperature investment cost of the factory.

[0020] 2. The utility model provides a pneumatic sole pressing machine, which uses front and rear bidirectional cylinders to pressurize the tightening device on the edge pressing mechanism, and accurately and quickly adjusts it through a servo motor, so as to facilitate the processing of shoes of different sizes. The size difference is automatically adjusted by the servo to keep the front and rear tightening distance unchanged, thereby ensuring the front and rear tightening pressure value.

[0021] 3. The utility model provides a pneumatic sole pressing machine, which automatically adjusts the front pressure rod device and the rear pressure rod device on the upper pressure mechanism through a balancing device of a lever structure, so that when the edge pressing mechanism applies pressure upward, the pressure head and the pressure foot on the upper pressure mechanism automatically balance the force through the balancing rod. Compared with the previous hydraulic cylinders working alone, the pressure force is more balanced, more energy-saving and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of the utility model;

[0023] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0024] Figure 3 It is a schematic diagram of the edge pressing mechanism of the utility model;

[0025] Figure 4 It is a schematic diagram of a single set of edge pressing mechanism of the utility model;

[0026] Figure 5 It is a schematic diagram of the upper pressing mechanism of the utility model;

[0027] Figure 6 It is a schematic diagram of the pressing mechanism of the utility model from another perspective;

[0028] Figure 7 It is a schematic diagram of a single group of pressing mechanism of the utility model. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] See Figure 1 to Figure 2 As shown: the utility model is a pneumatic sole pressing machine, including a frame 1, a chassis 2, an electric box 3, a control panel 4, a pressing mechanism 5, and an upper pressing mechanism 6. The lower part of the frame 1 is provided with a universal wheel 7, the chassis 2 is arranged on the upper part of the frame 1, the electric box 3 is arranged inside the chassis 2, the control panel 4 is arranged on the upper part of the chassis 2, and a machine mounting plate 10 is arranged in the middle of the frame. The pressing mechanism 5 is fixed on the machine mounting plate 10 in two groups, and an upper pressing top plate 60 is arranged on the top of the chassis 2. The upper pressing mechanism 6 is fixed under the upper pressing top plate 60 in two groups. An air storage tank 8 is arranged on the frame 1 below the machine mounting plate 10;

[0031] like Figure 3As shown, the edge pressing mechanism 5 is provided with a lifting cylinder 50, which is fixed under the machine mounting plate 10, and the piston rod of the lifting cylinder 50 penetrates the top of the machine mounting plate 10, and a edge pressing bottom plate 51 is fixed on the top of the piston rod of the lifting cylinder 50, and a side pressing device 52 and a tightening device 53 are provided on the edge pressing bottom plate 51, and a lifting guide rod 510 is provided under the edge pressing bottom plate 51, and the lifting guide rod 510 is slidably connected with the machine mounting plate 10;

[0032] like Figure 5-6 As shown, the upper pressure mechanism 6 is provided with a pressure rod supporting bridge 61, a rotating pressure block 62, and a rotating cylinder 63. A rotating screw 610 is fixed on the top of the pressure rod supporting bridge 61. The pressure rod supporting bridge 61 is movably connected to the upper pressure top plate 60 through the rotating screw 610. The rotating pressure block 62 and the rotating cylinder 63 are fixed on the bottom of the upper pressure top plate 60. The rotating pressure block 62 is an arc structure and is movably connected to one end of the pressure rod supporting bridge 61. The piston rod of the rotating cylinder 63 is movably connected to one side of the pressure rod supporting bridge 61. A front pressure rod device 64, a rear pressure rod device 65, and a balancing device 66 are provided below the pressure rod supporting bridge 61.

[0033] like Figure 4 As shown, the side pressure device 52 is symmetrically arranged in two groups, and the side pressure device 52 is provided with an edge pressing integrated cylinder 520, which is fixed on the edge pressing bottom plate 51, and the edge pressing integrated cylinder 520 is provided with a plurality of groups of piston rods, and the end of each group of piston rods is movably connected with an edge pressing rubber block 521;

[0034] The two groups of tightening devices 53 are symmetrically arranged. A tightening cylinder mounting plate 530 is provided on the tightening device 53. The tightening cylinder mounting plate 530 is fixed to the side of the pressure bottom plate 51. A tightening cylinder 531 is fixed to the inner side of the tightening cylinder mounting plate 530. The piston rod of the tightening cylinder 531 penetrates to the other side of the tightening cylinder mounting plate 530, and the piston rod end of the tightening cylinder 531 is fixedly connected to the tightening device mounting plate 533. A tightening guide rod 532 is fixed to the inner side of the tightening device mounting plate 533. The tightening guide rod 532 and the tightening gas The cylinder mounting plates 530 are slidingly connected, a tightening electric cylinder 534 is fixed to the other side of the tightening device mounting plate 533, a tightening motor plate 535 is fixed to the other end of the tightening electric cylinder 534, a tightening servo motor 536 is also fixed to the tightening motor plate 535, the cylinder core of the tightening electric cylinder 534 and the main shaft of the tightening servo motor 536 are connected by a synchronous belt 537, the other end of the cylinder core of the tightening electric cylinder 534 passes through the other side of the tightening device mounting plate 533, and a tightener 538 is fixed to the end of the cylinder core of the tightening electric cylinder 534.

[0035] like Figure 7As shown, the pressure rod supporting bridge 61 is an "I"-shaped structure, and bridge supporting grooves 611 are provided on both sides of the pressure rod supporting bridge 61, one side of the pressure rod supporting bridge 61 is provided with a pressure rod positioning hole 612, and the other side of the pressure rod supporting bridge 61 is movably connected with two groups of pressure rod pushing handles 614;

[0036] The front pressure rod device 64 is provided with a front pressure rod seat 640 at the top, and a front pressure rod 641 is provided at the bottom of the front pressure rod seat 640. The rear pressure rod device 65 is provided with a rear pressure rod seat 650, and a rear pressure rod 651 is provided at the bottom of the rear pressure rod seat 650. A piston structure is provided between the front pressure rod seat 640 and the front pressure rod 641, and a piston structure is provided between the rear pressure rod seat 650 and the rear pressure rod 651. The front pressure rod seat 640 and the rear pressure rod seat 651 are both slidably connected to the pressure rod supporting bridge 61 through the supporting bridge slide groove 611. The front pressure rod The top sides of the seat 640 and the rear pressure rod seat 650 are both provided with pressure rod positioning pins 613, and the pressure rod positioning pins 613 are arranged corresponding to the pressure rod positioning holes 612. The bottom of the front pressure rod 641 is provided with a pressure head 642, and the bottom of the rear pressure rod 651 is provided with a pressure foot 652. The middle parts of the front pressure rod seat 640 and the rear pressure rod seat 650 are both provided with openings, and the openings are provided with balance pressure shafts 662 that penetrate horizontally on both sides, and the balance pressure shafts 662 are respectively arranged on the tops of the front pressure rod 641 and the rear pressure rod 651;

[0037] The balancing device 66 is a lever structure, which is arranged in the lower middle section of the pressure rod supporting bridge 61. A balancing shaft 661 is provided on the balancing device 66, and balancing rods 660 are provided on both sides of the balancing shaft 661. The middle part of the balancing rod 660 is movably connected to the lower part of the pressure rod supporting bridge 61 through the balancing shaft 661.

[0038] The utility model provides a pneumatic sole pressing machine through improvement, and its working principle is as follows:

[0039] After the pneumatic sole pressing machine is powered on and started, the control panel 4 can perform program control on the machine.

[0040] The edge pressing mechanism 5 uses the power of the lifting cylinder 50 to make the single group of mechanisms move up and down reciprocatingly. The two groups of side pressing devices 52 on each group of edge pressing mechanisms 5 are arranged opposite to each other. The edge pressing rubber block 521 on the side pressing device 52 is moved laterally to the opposite side by the power of the same-side edge pressing integrated cylinder 520. The edge pressing rubber block 521 can press the two sides of the soles of various shoe types; the two groups of tightening devices 53 on each group of edge pressing mechanisms 5 are arranged opposite to each other, and the tightening devices 538 and the tightening devices 53 on the two groups of tightening devices 53 are arranged opposite to each other. The electric cylinder 534 synchronously reciprocates back and forth toward the opposite side through the power of the tightening electric cylinder 534, and the tightener 538 synchronously reciprocates back and forth toward the opposite side with the tightening electric cylinder 534. The tightener 538 can tighten and press the two ends of the soles of various shoe types; the tightener 538 can also drive the tightening electric cylinder 534 to reciprocate back and forth through the tightening servo motor 536, and can accurately and quickly adjust the size difference of different shoe sizes, so that the front and rear tightening distance remains unchanged, thereby ensuring the front and rear tightening pressure value.

[0041] The pressing mechanism 6 can rotate and swing horizontally around the rotating screw 610 through the power of the rotating cylinder 63. It can not only press different shoe types, but also save space compared to the previous vertically inclined structure, reduce the rack height and equipment footprint, and is more convenient for personnel to operate.

[0042] The front pressure rod device 64 and the rear pressure rod device 65 on the upper pressure mechanism 6 are automatically adjusted through the balancing device 66 of the lever structure. The two end heads of the balance rod 660 on the balancing device 66 are respectively arranged corresponding to the balancing pressure shafts 662 on the front pressure rod seat 640 and the rear pressure rod seat 650. The balance rod 660 is arranged on the upper part of the balancing pressure shaft 662. When the edge pressing mechanism 5 applies pressure upward, the pressure head 642 and the pressure foot 652 on the upper pressure mechanism 6 contact the shoe last on the edge pressing mechanism 5, and the front pressure rod 641 and the rear pressure rod 651 move upward through the balancing pressure shaft 662 and touch the balance rod 660, and automatically balance the force at both ends with the help of the lever principle. Compared with the previous hydraulic cylinder pressure structure that works alone, the pressing force of the upper pressure mechanism 6 is more balanced, more energy-saving and convenient.

[0043] The two sets of pressure rod pushing handles 614 on the side of the pressure rod supporting bridge 61 on the upper pressure mechanism 6 are respectively movably connected with the balancing pressure shafts 662 on the front pressure rod seat 640 and the rear pressure rod seat 650. When the distance between the pressure head 642 and the pressure foot 652 is adjusted according to the shoe shape and size, the pressure rod locating pin 613 can be manually pulled open, and then the balancing pressure shaft 662 can be pushed by the pressure rod pushing handle 614 to make the front pressure rod seat 640 and the rear pressure rod seat 650 move on the supporting bridge slide groove 611 of the pressure rod supporting bridge 61. It is easy to use and energy-saving and environmentally friendly.

[0044] In summary, the utility model is a pneumatic sole pressing machine, which is driven by a pneumatic structure to complete the processes of sole pressing, edge pressing, and front and rear tightening, without the need for additional hydraulic oil. In conjunction with an air storage tank, the movements of each pneumatic structure are uniform and gentle, the side pressing effect is stable, the whole machine is simple to operate, and compared with previous hydraulically driven structures, it is easier to maintain, saves electricity consumption, reduces heat emissions, and reduces the low-temperature investment cost of the factory.

[0045] The above description is only a preferred embodiment of the present utility model, so all equivalent changes or modifications made according to the structure, features and principles described in the scope of the present utility model patent application are included in the scope of the present utility model patent application.

Claims

1. A pneumatic sole pressing machine, comprising a frame (1), a chassis (2), an electrical box (3), a control panel (4), an edge pressing mechanism (5), and an upper pressing mechanism (6), characterized in that: The lower part of the frame (1) is provided with a universal wheel (7), the chassis (2) is arranged on the upper part of the frame (1), the electric box (3) is arranged inside the chassis (2), the control panel (4) is arranged on the upper part of the chassis (2), the middle part of the frame is provided with a machine mounting plate (10), the edge pressing mechanism (5) is fixed on the machine mounting plate (10) in two groups, the top of the chassis (2) is provided with an upper pressing plate (60), the upper pressing mechanism (6) is fixed under the upper pressing plate (60) in two groups, and the frame (1) below the machine mounting plate (10) is provided with a gas storage tank (8); The edge pressing mechanism (5) is provided with a lifting cylinder (50), the lifting cylinder (50) is fixed on the bottom of the machine mounting plate (10), the piston rod of the lifting cylinder (50) penetrates the top of the machine mounting plate (10), and a edge pressing bottom plate (51) is fixed on the top of the piston rod of the lifting cylinder (50), a side pressing device (52) and a tightening device (53) are provided on the edge pressing bottom plate (51), a lifting guide rod (510) is provided on the bottom of the edge pressing bottom plate (51), and the lifting guide rod (510) is slidably connected to the machine mounting plate (10); The upper pressing mechanism (6) is provided with a pressure rod supporting bridge (61), a rotating pressure block (62), and a rotating cylinder (63). A rotating screw (610) is fixed on the upper surface of the pressure rod supporting bridge (61). The pressure rod supporting bridge (61) is movably connected to the upper pressure top plate (60) through the rotating screw (610). The rotating pressure block (62) and the rotating cylinder (63) are fixed to the lower surface of the upper pressure top plate (60). The rotating pressure block (62) is an arc-shaped structure and is movably connected to one end of the pressure rod supporting bridge (61). The piston rod of the rotating cylinder (63) is movably connected to one side of the pressure rod supporting bridge (61). A front pressure rod device (64), a rear pressure rod device (65), and a balancing device (66) are provided below the pressure rod supporting bridge (61).

2. A pneumatic sole pressing machine according to claim 1, characterized in that: The side pressing device (52) is symmetrically arranged in two groups. The side pressing device (52) is provided with an edge pressing integrated cylinder (520). The edge pressing integrated cylinder (520) is fixed on the edge pressing bottom plate (51). The edge pressing integrated cylinder (520) is provided with a plurality of groups of piston rods. The end of each group of piston rods is movably connected to a edge pressing rubber block (521). The two groups of the tightening device (53) are symmetrically arranged, and a tightening cylinder mounting plate (530) is provided on the tightening device (53), and the tightening cylinder mounting plate (530) is fixed to the side of the edge pressing bottom plate (51), and a tightening cylinder (531) is fixed to the inner side surface of the tightening cylinder mounting plate (530), and the piston rod of the tightening cylinder (531) extends to the other side of the tightening cylinder mounting plate (530), and the end of the piston rod of the tightening cylinder (531) is fixedly connected to the tightening device mounting plate (533), and the inner side surface of the tightening device mounting plate (533) is fixed to a tightening guide rod (532), and the tightening guide rod (532) is connected to the tightening device. The cylinder mounting plates (530) are slidably connected to each other, a tightening electric cylinder (534) is fixed to the other side of the tightening device mounting plate (533), a tightening motor plate (535) is fixed to the other end of the tightening electric cylinder (534), a tightening servo motor (536) is also fixed to the tightening motor plate (535), a cylinder core of the tightening electric cylinder (534) and a main shaft of the tightening servo motor (536) are connected via a synchronous belt (537), the other end of the cylinder core of the tightening electric cylinder (534) passes through the other side of the tightening device mounting plate (533), and a tightener (538) is fixed to the cylinder core end of the tightening electric cylinder (534).

3. A pneumatic sole pressing machine according to claim 1, characterized in that: The pressure rod supporting bridge (61) is an "I"-shaped structure, and bridge supporting grooves (611) are provided on both sides of the pressure rod supporting bridge (61), a pressure rod positioning hole (612) is provided on one side of the pressure rod supporting bridge (61), and two groups of pressure rod pushing handles (614) are movably connected to the other side of the pressure rod supporting bridge (61); The front pressure rod device (64) is provided with a front pressure rod seat (640) at the top, and a front pressure rod (641) is provided at the bottom of the front pressure rod seat (640); the rear pressure rod device (65) is provided with a rear pressure rod seat (650), and a rear pressure rod (651) is provided at the bottom of the rear pressure rod seat (650); a piston structure is provided between the front pressure rod seat (640) and the front pressure rod (641); a piston structure is provided between the rear pressure rod seat (650) and the rear pressure rod (651); the front pressure rod seat (640) and the rear pressure rod seat (650) are both slidably connected to the pressure rod supporting bridge (61) via a supporting bridge slide groove (611); The top sides of the front pressure rod seat (640) and the rear pressure rod seat (650) are both provided with pressure rod positioning pins (613), the pressure rod positioning pins (613) are arranged corresponding to the pressure rod positioning holes (612), the bottom of the front pressure rod (641) is provided with a pressure head (642), the bottom of the rear pressure rod (651) is provided with a pressure foot (652), the middle parts of the front pressure rod seat (640) and the rear pressure rod seat (650) are both provided with openings, and the openings are provided with balancing pressure shafts (662) that penetrate horizontally on both sides, and the balancing pressure shafts (662) are respectively arranged on the tops of the front pressure rod (641) and the rear pressure rod (651); The balancing device (66) is a lever structure. The balancing device (66) is arranged at the middle section of the lower part of the pressure rod supporting bridge (61). A balancing shaft (661) is provided on the balancing device (66). Both sides of the balancing shaft (661) are provided with balancing rods (660). The middle part of the balancing rod (660) is movably connected to the lower part of the pressure rod supporting bridge (61) through the balancing shaft (661).

4. A pneumatic sole pressing machine according to claim 1, characterized in that: The edge pressing mechanism (5) performs up and down reciprocating motion by the power of the lifting cylinder (50), and the upper pressing mechanism (6) performs angular rotation displacement with the rotating screw (610) as the center by the power of the rotating cylinder (63).

5. A pneumatic sole pressing machine according to claim 2, characterized in that: The edge pressing rubber blocks (521) on the two sets of side pressing devices (52) perform lateral reciprocating motion toward the opposite side through the power of the edge pressing integrated cylinder (520) on the same side; the tightening electric cylinder (534) and the tightening servo motor (536) on the two sets of tightening devices (53) synchronously perform forward and backward reciprocating motion toward the opposite side through the power of the tightening electric cylinder (534) on the same side; the tightener (538) and the tightening electric cylinder (534) synchronously perform forward and backward reciprocating motion toward the opposite side; the tightener (538) also drives the tightening electric cylinder (534) to perform forward and backward reciprocating motion through the tightening servo motor (536).

6. A pneumatic sole pressing machine according to claim 3, characterized in that: The two ends of the balancing rod (660) are respectively arranged corresponding to the balancing pressure shafts (662) on the front pressure rod seat (640) and the rear pressure rod seat (650), and the balancing rod (660) is arranged on the upper part of the balancing pressure shaft (662).

7. A pneumatic sole pressing machine according to claim 3, characterized in that: Two groups of pressure rod pushing handles (614) on the side of the pressure rod supporting bridge (61) are movably connected to the balancing pressure shafts (662) on the front pressure rod seat (640) and the rear pressure rod seat (650), respectively.

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