Small dual-power pneumatic forming device

By designing a small dual-powered pneumatic forming device and using pneumatic component sets and electronic control boxes to achieve automated forming, the problems of uncontrollable forming force and high labor intensity in the prior art are solved, and the stability and versatility of molding quality are improved.

CN119702802APending Publication Date: 2025-03-28G & A TECH
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Patent Information

Application Number
CN202411752928.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-02
Publication Date
2025-03-28

AI Technical Summary

Technical Problem

The existing coil ring and bending molding technology of small batch reed parts has problems such as uncontrollable man-made molding force, high labor intensity and poor versatility.

Method used

A small double-powered pneumatic forming device is designed, including a prepressing mechanism, a coil forming mechanism, a stroke adjustment mechanism, a molding block positioning mechanism, a working proximity trigger mechanism, a pneumatic component group and an electronic control box. Through the cooperation of the pneumatic component group and an electronic control box, automated forming is realized and manpower operations are replaced.

Benefits of technology

It realizes flexible interchange of molded working parts, completely replaces manpower operations, solves the problems of uncontrollable forming force and high labor intensity, and improves the stability and versatility of molding quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a small dual-power pneumatic forming device. The dual-power pneumatic forming device comprises a device rack, a pre-pressing mechanism, a coiling forming mechanism, a stroke adjusting mechanism, a forming block positioning mechanism, a work approaching triggering mechanism, a pneumatic component set and an electric control box. Molding work parts of the device can be flexibly interchanged to replace manual operation, and the problems that manual operation forming force is uncontrollable, and operation labor intensity is large are solved.
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Description

Technical Field

[0001] The invention relates to pneumatic technology, in particular to pneumatic coiling and bending forming technology, specifically to a small dual-power pneumatic forming device. Background Art

[0002] The coiling and bending of small batches of reed parts are completed using manual forming tools. There are nearly 100 types of such reed parts, and each part requires the design and manufacture of a full set of manual coiling and bending small molds. The versatility is poor, the forming is manually operated, the forming force is uncontrollable, the forming quality of the reed parts is unstable, and the labor intensity of the operator is high. Summary of the invention

[0003] The purpose of the present invention is to provide a small dual-power pneumatic forming device to address the deficiencies of the prior art. The forming working parts of the device are flexibly interchangeable and can replace manual labor, thereby solving the problem of uncontrollable forming force and high labor intensity of manual labor.

[0004] The technical solution for achieving the purpose of the present invention is: A small dual-power pneumatic forming device, comprising a device stand, a pre-pressing mechanism, a coil forming mechanism, a stroke adjustment mechanism, a forming block positioning mechanism, a working proximity trigger mechanism, a pneumatic component group and an electric control box, wherein: The device stand comprises a device bottom plate, on which three support plates of the same structure are arranged at intervals and perpendicular to the device bottom plate, and the workbench panel is fixed on the support plates; The pre-stressing mechanism is fixedly placed on the upper left part of the workbench panel, the pre-stressing adjustment fixing seat in the pre-stressing mechanism is sleeved on the pre-stressing adjustment fixing plate, the pre-stressing cylinder is fixed on the pre-stressing cylinder fixing plate and fixed on the pre-stressing adjustment fixing seat, the pre-stressing cylinder connecting head is fixed in front of the push rod of the pre-stressing cylinder, the pre-stressing cylinder connecting head is connected to the pre-stressing pushing block, the pre-stressing pushing block is placed in the pre-stressing guide seat, the pre-stressing pushing block is connected to the pre-stressing forming block through the pre-stressing forming connecting pin, and the pre-stressing mechanism can slide left and right on the workbench panel to adjust the position, so as to realize the pre-stressing requirements of different positions of different parts; The coil forming mechanism is arranged on the workbench panel and is different from the pre-pressing mechanism. The coil forming mechanism is composed of a forming cylinder, a forming cylinder connecting head, a forming force lever, a hinge connecting shaft, a fixed rotating shaft, a force lever support plate, a support plate support seat, a forming push rod and a movable block. The coil forming mechanism is fixed to the stroke adjustment fixed shaft of the stroke adjustment mechanism through the earring at the tail of the forming cylinder. When the forming cylinder is in motion, it rotates around the stroke adjustment fixed shaft. The forming cylinder connecting head is fixed to the forming cylinder push rod and is connected to the forming force lever. The other end of the forming force lever is connected to the fixed rotating shaft. The fixed rotating shaft is fixed to the lower left part of the other side of the workbench panel. The forming cylinder push rod is fixed in the middle of the forming force lever. The other end of the forming cylinder push rod passes through the front of the workbench panel. The movable block is connected to the end of the forming cylinder push rod exposed from the front of the workbench panel. The movable block is placed in the movable block guide seat, and the movable block can slide in the movable block guide seat. The stroke adjustment mechanism is arranged on the upper right side of the same side of the workbench panel and the coil forming mechanism, and the coil forming cylinder is fixed. The adjusting screw fixing seat is fixed on the right rear side of the workbench panel. The stroke adjustment screw passes through the adjusting screw fixing seat and is connected with the stroke adjustment sliding seat. The stroke adjustment fixed shaft is placed in the stroke adjustment sliding seat. The stroke adjustment sliding seat is placed in the stroke adjustment fixing seat. The stroke adjustment fixing seat is close to the stroke adjustment sliding seat and fixed on the workbench panel to realize the stroke adjustment of the forming mechanism. The adjusting screw fixing seat in the stroke adjustment device is locked and fixed to the right end face of the table panel by two first hexagon socket screws. The stroke adjustment screw is placed in the adjusting screw fixing seat. The stroke adjustment fixing seat 4 is fixed to the back of the table panel by four first hexagon socket screws in the seat screw hole, the stroke adjustment sliding seat is placed in the stroke adjustment fixing seat slide groove, and connected with the adjusting screw fixing seat, the stroke adjustment fixing shaft passes through the tail hole of the forming cylinder and is connected with the stroke adjustment sliding seat, the adjusting screw fixing seat is fixed to the right rear side of the working table panel, the stroke adjustment screw passes through the adjusting screw fixing seat and is connected with the stroke adjustment sliding seat, the stroke adjustment fixing shaft is placed in the stroke adjustment sliding seat, the stroke adjustment sliding seat is placed in the stroke adjustment fixing seat, the stroke adjustment fixing seat is close to the stroke adjustment sliding seat, and is fixed on the working table panel to realize the stroke adjustment of the forming mechanism; The forming block positioning mechanism is arranged on the same surface of the workbench panel and the coil forming mechanism, the forming block fixed base is fixed on the lower left side of the workbench panel, the forming block guide fixed seat is fixed on the middle of the left side of the forming block fixed base, the forming block is placed in the forming block guide fixed seat, and is fixed on the forming block fixed base; the moving block guide seat is fixed on the middle of the right side of the forming block fixed base, the moving block is placed in the moving block guide seat, the moving block can slide in the moving block guide seat, and the forming block meets the principle of convenient replacement positioning accuracy and convenient operation and loading; The working proximity trigger mechanism is composed of a proximity switch fixing seat and a proximity trigger switch. The proximity switch fixing seat is fixed to the bottom of the fixed base of the fixed block by two second hexagon socket screws and is fixed by two hexagon socket screws. The working proximity trigger mechanism is located on the lower left side of the workbench panel and can only be triggered by metal objects, and non-metal objects cannot be triggered, which can effectively prevent accidental triggering by clothes or hands. The pneumatic component group is composed of a solenoid valve, an air combination two-piece, a device mounting plate and a mounting plate fixing bracket. The pneumatic component group is placed on the rear side of the device stand and is fixed to the bottom plate of the device stand through the device mounting plate and the mounting plate fixing bracket. The pneumatic component group is placed on the rear side of the molding device. The solenoid valve is placed on the upper right side of the rear device mounting plate to control the movement of the cylinder. The air combination two-piece is placed on the upper left side of the rear device mounting plate to dry and filter the input air source and adjust the air source pressure at the same time. The above components are all connected to the electrical control box and controlled by the electrical switch in the electrical control box. The electrical control box is placed on the right side of the forming block positioning mechanism and above the workbench panel. The electrical control box is equipped with an electrical switch, a delay regulator and a counter.

[0005] In the technical scheme, the prestressing mechanism is placed on the upper left part of the workbench panel, the prestressing cylinder is fixed on the prestressing cylinder fixing plate and fixed on the prestressing device slide seat, the prestressing guide seat is fixed above the prestressing device slide seat, the prestressing forming block is placed in the prestressing guide seat slide groove, and is fixed on the prestressing push seat through the prestressing push shaft, and the prestressing push seat is at the upper end of the slide groove of the prestressing guide seat; one end of the prestressing cylinder connecting shaft is fixed on the prestressing cylinder, and the other end is clamped on the prestressing push seat, the prestressing device slide rail penetrates the square hole at the lower part of the prestressing device slide seat, and is fixed on the workbench panel, the prestressing device can slide left and right on the prestressing device slide rail, which is convenient for position adjustment, and a locking bolt is fixed on the bottom of the prestressing device slide seat, which can be locked and fixed after being adjusted to the predetermined position according to the actual situation. In this way, the position of the prestressing device can be adjusted according to the actual situation to meet the prestressing forming requirements of different parts; The forming mechanism is placed on the back of the workbench panel, and the right side is connected through the forming cylinder stroke adjustment slider fixing seat and the hexagon socket screw, the stroke adjustment screw is limited by the rear screw fixing seat, and the stroke adjustment screw fixing seat is fixed to the right side of the workbench panel through the hexagon socket screw, the forming cylinder is connected to the cylinder push joint, the cylinder push joint is connected to one end of the thrust connecting rod through a hinge shaft, the other end of the thrust connecting rod is limited to the connecting rod fixing shaft, and the push force shaft is fixed to the middle part of the thrust connecting rod. The beneficial effects of adopting this technical solution are: through the lever effect formed by the push connecting rod, on the one hand, the stamping forming force is increased, and on the other hand, the linear motion of the cylinder is converted into arc motion to meet the working requirements; According to the actual application situation, the small dual-power pneumatic forming device has the function of stamping forming pressure holding delay, and the sequence of the action of the pre-pressing device and the forming device cylinder can be adjusted to meet the working requirements.

[0006] The effects of this technical solution are: The small dual-power pneumatic forming device meets the specified index requirements, and the forming working parts are flexibly interchangeable. Due to its versatility and stability of pneumatic forming and the ability to completely replace manual operations, it can be promoted and applied according to actual production needs.

[0007] The trigger proximity switch in the working proximity trigger mechanism of the technical solution can only be triggered by metal and is fixed on the lower side of the molding block positioning workbench, which is convenient for working triggering and can also avoid false triggering and malfunction. The proximity switch trigger distance is 0 to 2 mm.

[0008] The effect of adopting the above technical solution is: the worker works with tweezers and directly uses the tweezers to trigger. The proximity switch is only sensitive to metal parts and cannot be triggered by non-metallic objects, thus avoiding the possibility of false operation during the operation process, and the operation is convenient and safer.

[0009] The forming working parts of the device are flexibly interchangeable and can replace manual labor, thus solving the problems of uncontrollable forming force and high labor intensity of manual labor. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a front view of the embodiment device; Figure 2 It is a left side view of the embodiment device; Figure 3 is a rear view of the embodiment device; Figure 4 This is a front view of the pre-pressed forming block in the embodiment; Figure 5 This is the front view of the moving block in this embodiment; Figure 6 It is the front view of the fixed block of the present invention.

[0011] In the figure, 1. Device stand 101. Bottom plate 102. Support plate 103. Table plate 2 Pre-pressing mechanism 201. Pre-pressing adjustment fixing plate 202. Pre-pressing adjustment fixing seat 203. Pre-pressing guide seat 204. Pre-pressing push block 205. Pre-pressing cylinder fixing plate 206. Pre-pressing cylinder 207. Pre-pressing cylinder connector 208. Pre-pressing forming connecting pin 209. Pre-pressing forming block 3 Coil forming mechanism 301. Forming cylinder 302. Forming cylinder connector 303. Forming booster lever 304. Hinge connecting shaft 305. Fixed rotating shaft 306. Boosting lever support plate 307. Support seat 308. Forming cylinder Push rod 309. Moving block 4 Stroke adjustment mechanism 401. Stroke adjustment screw 402. Adjustment screw fixing seat 403. Stroke adjustment sliding seat 404. Stroke adjustment fixed shaft 405. Stroke adjustment fixing seat 5 Molding block positioning mechanism 501. Molding block fixing base 502. Molding block guide fixing seat 503. Moving block guide seat 504. Molding block 6 Working proximity trigger mechanism 601. Proximity switch fixing seat 602. Proximity trigger switch 7 Pneumatic component group 701. Solenoid valve 702. Air combination two-piece 703. Device mounting plate 704. Mounting plate fixing bracket 8 Electrical control box 801. Electrical switch. DETAILED DESCRIPTION

[0012] The content of the present invention is further described below in conjunction with the drawings and embodiments, but the present invention is not limited thereto.

[0013] Example:

[0014] Reference Figure 1 , Figure 2 , Figure 3 A small dual-power pneumatic forming device, characterized in that it includes a device stand 1, a pre-pressing mechanism 2, a coil forming mechanism 3, a stroke adjustment mechanism 4, a forming block positioning mechanism 5, a working proximity trigger mechanism 6, a pneumatic component group 7 and an electric control box 8, wherein: The device stand 1 comprises a device bottom plate 101, on which three support plates 102 of the same structure are arranged at intervals and perpendicular to the device bottom plate 101, and a workbench panel 103 is fixed on the support plate 102; The prestressing mechanism 2 is fixedly placed on the upper left part of the workbench panel 103, the prestressing adjustment fixing seat 202 in the prestressing mechanism 2 is sleeved on the prestressing adjustment fixing plate 201, the prestressing cylinder 206 is fixed on the prestressing cylinder fixing plate 201 and fixed on the prestressing adjustment fixing seat 202, the prestressing cylinder connector 207 is fixed in front of the push rod of the prestressing cylinder 206, the prestressing cylinder connector 207 is connected to the prestressing push block 204, the prestressing push block 204 is placed in the prestressing guide seat 203, the prestressing push block 204 is connected to the prestressing forming block 209 through the prestressing forming connecting pin 208, the prestressing mechanism can slide left and right on the workbench panel 103 to adjust the position, so as to realize the prestressing requirements of different positions of different parts; The coil forming mechanism 3 is arranged on the workbench panel 103 on a different surface from the pre-pressing mechanism 2. The coil forming mechanism 3 is composed of a forming cylinder 301, a forming cylinder connector 302, a forming force lever 303, a hinge connecting shaft 304, a fixed rotating shaft 305, a force lever support plate 306, a support plate support seat 307, a forming push rod 308 and a movable block 309. The coil forming mechanism 3 is fixed to the stroke adjustment fixed shaft 404 of the stroke adjustment mechanism 4 through the tail earring of the forming cylinder 301. When the forming cylinder 301 is in motion, it rotates around the stroke adjustment fixed shaft 404. The forming cylinder connector 302 is fixed to the forming cylinder push rod 308 and is connected to the forming force lever The other end of the forming force lever 303 is connected to the fixed rotating shaft 305, and the fixed rotating shaft 305 is fixed to the lower left part of the other side of the workbench panel 103. The forming cylinder push rod 308 is fixed to the middle part of the forming force lever 303, and the other end of the forming cylinder push rod 308 passes through the front of the workbench panel 103. The movable block 309 is connected to the end of the forming cylinder push rod 308 exposed from the front of the workbench panel 103, and the movable block 309 is placed in the movable block guide seat, and the movable block 309 can slide in the movable block guide seat; in this example, the force lever support plate 306 supports and lifts the forming force lever 303, so that it remains parallel to the table panel 103 and moves smoothly; The stroke adjustment mechanism 4 is arranged on the upper right side of the same surface of the workbench panel 103 and the coil forming mechanism 3, and the coil forming cylinder 301 is fixed. The adjusting screw fixing seat 402 is fixed on the right rear side of the workbench panel 103. The stroke adjustment screw 401 passes through the adjusting screw fixing seat 404 and is connected with the stroke adjustment sliding seat 403. The stroke adjustment fixed shaft 404 is placed in the stroke adjustment sliding seat 403. The stroke adjustment sliding seat 403 is placed in the stroke adjustment fixing seat 402. The stroke adjustment fixing seat 402 is close to the stroke adjustment sliding seat 403 and fixed on the workbench panel 103 to realize the stroke adjustment of the forming mechanism. The adjusting screw fixing seat 402 in the stroke adjustment device 4 is locked and fixed to the right end face of the table panel 103 by two first hexagon socket screws. The stroke adjustment screw 401 is placed in the adjusting screw fixing seat 402. In the screw hole, the stroke adjustment fixing seat 405 is locked and fixed to the back of the table panel 103 by four first hexagon socket screws, the stroke adjustment sliding seat 403 is placed in the sliding groove of the stroke adjustment fixing seat 405, and is connected to the adjusting screw fixing seat 402, the stroke adjustment fixing shaft 404 passes through the tail hole of the molding cylinder 301 and is connected to the stroke adjustment sliding seat 403, the adjusting screw fixing seat 402 is fixed to the right rear side of the working table panel 103, the stroke adjustment screw 401 passes through the adjusting screw fixing seat 404 and is connected to the stroke adjustment sliding seat 403, the stroke adjustment fixing shaft 404 is placed in the stroke adjustment sliding seat 403, the stroke adjustment sliding seat 403 is placed in the stroke adjustment fixing seat 402, the stroke adjustment fixing seat 402 is close to the stroke adjustment sliding seat 403, and is fixed on the working table panel 103, so as to realize the stroke adjustment of the molding mechanism; The forming block positioning mechanism 5 is arranged on the same surface of the workbench panel 103 and the coil forming mechanism 3, the forming block fixed base 501 is fixed to the lower left side of the workbench panel 103, the shaping block guide fixed seat 502 is fixed to the middle of the left side of the shaping block fixed base 501, the shaping block 504 is placed in the shaping block guide fixed seat 502, and is fixed on the shaping block fixed base 501; the moving block guide seat 503 is fixed to the middle of the right side of the shaping block fixed base 501, the moving block is placed in the moving block guide seat 503, the moving block can slide in the moving block guide seat 503, and the shaping block is convenient for replacement The principle of positioning accuracy and the principle of convenient operation and loading; in this example, the forming block fixed base 501 is fixed to the lower left of the workbench panel 103 by three first cylindrical pins and four first hexagon socket screws, the shaping block guide fixed base 502 is fixed to the left side of the fixed forming block fixed base 501 by two second cylindrical pins and four second hexagon socket screws, the dynamic block guide base 503 is fixed to the right side of the fixed forming block fixed base 501 by two second cylindrical pins and four second hexagon socket screws, and the shaping block 504 is embedded in the shaping block guide fixed base 502 and fixed by one second hexagon socket screw; The working proximity trigger mechanism 6 is composed of a proximity switch fixing seat 601 and a proximity trigger switch 602. The proximity switch fixing seat 601 is fixed to the bottom of the fixed block fixing base 501 by two second hexagon socket screws and is fixed by two hexagon socket screws. The working proximity trigger mechanism 6 is positioned at the lower left side of the workbench panel 103 and can only be triggered by metal objects, and cannot be triggered by non-metal objects, which can effectively prevent accidental triggering by clothes or human hands. The pneumatic component group 7 is composed of a solenoid valve 701, an air combination double body 702, a device mounting plate 703 and a mounting plate fixing bracket 704. The pneumatic component group 7 is placed on the rear side of the device stand 1 and is fixed to the device stand bottom plate 101 through the device mounting plate 703 and the mounting plate fixing bracket 704. The pneumatic component group 7 is placed on the rear side of the molding device, the solenoid valve is placed on the upper right side of the rear device mounting plate to control the cylinder movement, and the air combination double body is placed on the upper left side of the rear device mounting plate to dry and filter the input air source and adjust the air source pressure at the same time; The above components are all connected to the electrical control box 8 and controlled by the electrical switch 801 in the electrical control box 8. The electrical control box 8 is placed on the right side of the forming block positioning mechanism 5 and above the workbench panel 103. The electrical control box 8 is provided with an electrical switch 801, a delay regulator and a counter.

[0015] In this example, the stroke adjustment mechanism 4 is arranged on the upper right side of the same surface of the worktable panel 103 and the coil forming mechanism 3, and the coil forming cylinder 301 is fixed to realize the stroke adjustment of the coil forming device. The adjusting screw fixing seat 402 in the stroke adjustment device 4 is locked and fixed to the right end surface of the table panel 103 by two first hexagon socket screws, the stroke adjustment screw 401 is placed in the screw hole of the adjusting screw fixing seat 402, and the stroke adjustment fixing seat 405 is locked and fixed to the back of the table panel 103 by four first hexagon socket screws. The stroke adjustment sliding seat 403 is placed in the sliding groove of the stroke adjustment fixing seat 405, and is connected with the adjusting screw fixing seat 402 and the stroke adjustment fixing shaft 404 through the tail hole of the forming cylinder 301 and the stroke adjustment sliding seat 403; The forming block positioning mechanism 5 is arranged on the same surface of the workbench panel 103 and the coil forming mechanism 3. The forming block fixed base 501 is fixed to the lower left of the workbench panel 103 by three first cylindrical pins and four first hexagon socket screws. The shaping block guide fixed seat 502 is fixed to the left side of the fixed forming block fixed base 501 by two second cylindrical pins and four second hexagon socket screws. The dynamic forming block guide seat 503 is fixed to the right side of the fixed forming block fixed base 501 by two second cylindrical pins and four second hexagon socket screws. The shaping block 504 is embedded in the shaping block guide fixed seat 502 and fixed by one second hexagon socket screw. The working proximity trigger mechanism 6 is composed of a proximity switch fixing seat 601 and a proximity trigger switch 602. The proximity switch fixing seat 601 is fixed to the bottom of the fixed block fixing base 501 by two second hexagon socket screws and is fixed by two hexagon socket screws. The pneumatic component group 7 is placed at the rear side of the device stand 1 and fixed on the device stand bottom plate 101 through the component mounting plate 703 and the mounting plate fixing bracket 704; The pneumatic component group 7 is composed of a solenoid valve 701, an air combination double body 702, a component mounting plate 703 and a mounting plate fixing bracket 704; The above components are all connected to the electrical control box 8 and controlled by the electrical switch 801 in the electrical control box 8.

[0016] like Figure 4 , Figure 5 and Figure 6 As shown, the pre-pressing forming block 209, the moving forming block 309 and the fixing forming block 504 in this example are universal, and the size and shape of the forming part can be determined according to the actual forming requirements. They are universal quick-change standard parts.

[0017] In this example, the prestressing adjustment fixing plate 201 in the prestressing mechanism 2 is fixed to the upper left of the table panel 103 by four second hexagonal screws and two second cylindrical pins, the upper surface of the prestressing adjustment fixing seat 202 is flush with the upper surface of the forming block fixed base 501, the prestressing guide seat 203 and the prestressing cylinder fixing plate 205 are respectively fixed on the prestressing adjustment fixing seat 202, the prestressing push block 204 is placed in the prestressing guide seat 203, the tail of the prestressing push block 204 is connected to the prestressing cylinder connector 207, the prestressing cylinder connector 207 is connected to the prestressing cylinder 206, the action of the prestressing cylinder drives the prestressing forming block 209 in the prestressing guide seat 203 to move downward, and completes the prestressing forming action; The working process of the device in this example is: the electrical switch 801 is turned to the on position, and the gas source switch is turned on; The metal tweezers grasp the parts and place them on the positioning surface of the shaping block 504; Use metal tweezers to trigger the proximity trigger switch 602, and the first control solenoid valve 701 is activated; The pre-pressing cylinder 206 is driven to move, and the pre-pressing pushing block 204 is driven to move, and the pre-pressing forming block 209 is driven to move downward; After the pre-pressing forming block 209 completes the action, the second control solenoid valve 701 is activated to drive the forming cylinder 301 to act; The forming cylinder 301 is driven to move, thereby driving the forming force lever 303 to move; Push the molding push rod 308 to move from right to left, and the movable block 309 connected to the molding push rod 308 moves together; After the molding is completed, the pre-pressing cylinder 206 and the molding cylinder 301 are retracted at the same time; The pre-pressing forming block 209 and the movable forming block 309 return to their initial positions, and the tweezers take out the formed parts.

Claims

1. A small dual-power pneumatic forming device, characterized in that: It includes a device stand, a pre-pressing mechanism, a coil forming mechanism, a stroke adjustment mechanism, a forming block positioning mechanism, a working proximity trigger mechanism, a pneumatic component group and an electric control box, wherein: The device stand comprises a device bottom plate, on which three support plates of the same structure are arranged at intervals and perpendicular to the device bottom plate, and the workbench panel is fixed on the support plates; The pre-stressing mechanism is fixedly placed on the upper left part of the workbench panel, the pre-stressing adjustment fixing seat in the pre-stressing mechanism is sleeved on the pre-stressing adjustment fixing plate, the pre-stressing cylinder is fixed on the pre-stressing cylinder fixing plate and fixed on the pre-stressing adjustment fixing seat, the pre-stressing cylinder connecting head is fixed in front of the push rod of the pre-stressing cylinder, the pre-stressing cylinder connecting head is connected to the pre-stressing pushing block, the pre-stressing pushing block is placed in the pre-stressing guide seat, the pre-stressing pushing block is connected to the pre-stressing forming block through the pre-stressing forming connecting pin, and the pre-stressing mechanism can slide left and right on the workbench panel to adjust the position; The coil forming mechanism is arranged on the workbench panel and is different from the pre-pressing mechanism. The coil forming mechanism is composed of a forming cylinder, a forming cylinder connecting head, a forming force lever, a hinge connecting shaft, a fixed rotating shaft, a force lever support plate, a support plate support seat, a forming push rod and a movable block. The coil forming mechanism is fixed to the stroke adjustment fixed shaft of the stroke adjustment mechanism through the earring at the tail of the forming cylinder. When the forming cylinder is in motion, it rotates around the stroke adjustment fixed shaft. The forming cylinder connecting head is fixed to the forming cylinder push rod and is connected to the forming force lever. The other end of the forming force lever is connected to the fixed rotating shaft. The fixed rotating shaft is fixed to the lower left part of the other side of the workbench panel. The forming cylinder push rod is fixed in the middle of the forming force lever. The other end of the forming cylinder push rod passes through the front of the workbench panel. The movable block is connected to the end of the forming cylinder push rod exposed from the front of the workbench panel. The movable block is placed in the movable block guide seat, and the movable block can slide in the movable block guide seat. The stroke adjustment mechanism is arranged on the upper right side of the same side of the workbench panel and the coil forming mechanism, and the coil forming cylinder is fixed. The adjusting screw fixing seat is fixed on the right rear side of the workbench panel. The stroke adjustment screw passes through the adjusting screw fixing seat and is connected with the stroke adjustment sliding seat. The stroke adjustment fixed shaft is placed in the stroke adjustment sliding seat. The stroke adjustment sliding seat is placed in the stroke adjustment fixing seat. The stroke adjustment fixing seat is close to the stroke adjustment sliding seat and fixed on the workbench panel to realize the stroke adjustment of the forming mechanism. The adjusting screw fixing seat in the stroke adjustment device is locked and fixed to the right end face of the table panel by two first hexagon socket screws. The stroke adjustment screw is placed in the adjusting screw fixing seat. The stroke adjustment fixed seat is in the fixed seat screw hole, and is locked and fixed to the back of the table panel by four first hexagon socket screws. The stroke adjustment sliding seat is placed in the stroke adjustment fixed seat slide groove and connected with the adjusting screw fixed seat. The stroke adjustment fixed shaft passes through the tail hole of the forming cylinder and is connected with the stroke adjustment sliding seat. The adjusting screw fixed seat is fixed to the right rear side of the working table panel. The stroke adjustment screw passes through the adjusting screw fixed seat and is connected with the stroke adjustment sliding seat. The stroke adjustment fixed shaft is placed in the stroke adjustment sliding seat. The stroke adjustment sliding seat is placed in the stroke adjustment fixed seat. The stroke adjustment fixed seat is close to the stroke adjustment sliding seat and is fixed on the working table panel to realize the stroke adjustment of the forming mechanism. The forming block positioning mechanism is arranged on the same surface of the workbench panel and the coil forming mechanism, the forming block fixed base is fixed on the lower left side of the workbench panel, the shaping block guide fixed seat is fixed on the middle of the left side of the shaping block fixed base, the shaping block is placed in the shaping block guide fixed seat, and is fixed on the shaping block fixed base; the moving block guide seat is fixed on the middle of the right side of the shaping block fixed base, the moving block is placed in the moving block guide seat, and the moving block can slide in the moving block guide seat; The working proximity trigger mechanism is composed of a proximity switch fixing seat and a proximity trigger switch. The proximity switch fixing seat is fixed below the fixed base of the fixed block by two second hexagon socket screws and is fixed by two hexagon socket screws. The pneumatic component group is composed of a solenoid valve, an air combination two-piece, a component mounting plate and a mounting plate fixing bracket. The pneumatic component group is placed on the rear side of the device stand and is fixed to the bottom plate of the device stand through the component mounting plate and the mounting plate fixing bracket. The above components are all connected to the electrical control box and controlled by the electrical switch in the electrical control box. The electrical control box is placed on the right side of the forming block positioning mechanism and above the workbench panel. The electrical control box is equipped with an electrical switch, a delay regulator and a counter.