Rotary expansion forming equipment and control method thereof

Abstract

The invention provides rotary expansion forming equipment and a control method thereof, and relates to the field of spinning machines, and the rotary expansion forming equipment comprises a supporting base, a position limiting ring, a third electric push rod, a sliding mounting plate, a driving bevel gear, a pipe fitting limiting block, a driven bevel gear and a position adjusting screw rod; the position limiting ring is fixedly connected to the upper portion of the supporting base. The third electric push rod is in bolted connection with the lower part of the supporting base; the sliding mounting plate is fixedly connected to the upper part of a third electric push rod piston rod; the driving bevel gear is rotationally connected to the upper part of the sliding mounting plate; the position adjusting screw rod is rotationally connected to the upper part of the sliding mounting plate; the pipe fitting limiting block is in threaded connection with the outer side of the position adjusting screw rod; the driven bevel gear is fixedly connected to the inner side of the position adjusting screw rod; the blanking speed of the metal pipe fitting is increased, a large amount of time is saved, the replacement efficiency of the metal pipe fitting is improved, and the problems that the replacement of the metal pipe fitting consumes long time and the replacement efficiency of the metal pipe fitting is influenced are solved.

Description

Technical Field

[0001] The invention relates to the technical field of spinning machines, and in particular to a spinning expansion forming device and a control method thereof. Background Art

[0002] In the manufacturing industry, rotational forming technology is widely used in the field of metal processing. For example, in the manufacture of products with complex shapes such as cylindrical, conical, and special-shaped shells, when processing the ends of metal pipes, it is necessary to continuously apply pressure to the pipes through the rotation and movement of the mold in the spinning machine, so that it produces continuous local plastic deformation, thereby forming pipes of the desired shape or size.

[0003] However, after the existing spinning machine completes the processing of metal pipe fittings, it is necessary to first pull the pipe fittings out of the center of the spinning machine, move the pipe fittings to other positions and replace them with new metal pipe fittings. The whole process takes a long time, which affects the replacement efficiency of the metal pipe fittings, and in turn causes a long downtime of the spinning machine, which affects the processing efficiency of the metal pipe fittings and the use effect of the spinning machine. Summary of the invention

[0004] In view of this, the present invention provides a rotary expansion forming device and a control method thereof, which can automatically push the processed pipe fittings out of the spinning machine, effectively improving the feeding speed of the metal pipe fittings, saving a lot of time, and improving the replacement efficiency of the metal pipe fittings, thereby reducing the downtime of the spinning machine, improving the processing efficiency of the metal pipe fittings, and improving the use effect of the spinning machine. It can prevent impurities from falling on the pipe fittings and affecting the processing quality of the pipe fittings, thereby ensuring the forming effect of the pipe fittings, and also preventing the staff from accidentally touching the spinning machine and being injured, thereby reducing safety hazards and ensuring the safety of the use of the spinning machine.

[0005] The present invention provides a rotary expansion forming device and a control method thereof, which specifically includes a support base, a position limiting ring, a transmission structure, a third electric push rod, a sliding mounting plate, an active bevel gear, a pipe limiting block, a push piece structure, a driven bevel gear and a position adjustment screw; the position limiting ring is fixedly connected to the upper part of the support base; the transmission structure is arranged on the inner side of the support base; two third electric push rods are provided, and the two third electric push rods are bolted to the lower part of the support base; the sliding mounting plate is fixedly connected to the upper part of the piston rods of the two third electric push rods; the active bevel gear Rotatably connected to the upper part of the sliding mounting plate; a plurality of position adjusting screws are provided, and a plurality of the position adjusting screws are rotatably connected to the upper part of the sliding mounting plate in a circular array; the pipe limit block is a U-shaped structure, and a plurality of the pipe limit blocks are provided, and a plurality of the pipe limit blocks are respectively threadedly connected to the outer sides of a plurality of the position adjusting screws; the pusher structure is provided on the inner side of the support base; a plurality of driven bevel gears are provided, and a plurality of the driven bevel gears are respectively fixedly connected to the inner sides of a plurality of the position adjusting screws, and a plurality of the driven bevel gears are all meshed with the active bevel gear.

[0006] Furthermore, the transmission structure includes a first electric push rod and a sliding mounting shaft; the first electric push rod is bolted to the left side of the support base; and the sliding mounting shaft is rotatably connected to the upper part of the piston rod of the first electric push rod.

[0007] Furthermore, the transmission structure also includes a first driven gear, a first reciprocating self-locking driving member and a first driving gear; the first driven gear is rotatably connected to the upper part of the support base, and the first driven gear is splined to the sliding mounting shaft; the first driving gear is rotatably connected to the upper part of the support base, and the first driving gear and the first driven gear are meshed with each other; the first reciprocating self-locking driving member is bolted to the upper part of the support base, and the output shaft of the first reciprocating self-locking driving member is coaxially fixedly connected to the first driving gear.

[0008] Furthermore, the transmission structure also includes a safety protection cover and a conical limiting cylinder; the safety protection cover is fixedly connected to the upper part of the sliding mounting shaft; and the conical limiting cylinder is fixedly connected to the middle part of the safety protection cover.

[0009] Furthermore, the transmission structure also includes a positioning mounting plate, an external profiling mold and a second reset elastic member; the positioning mounting plate is fixedly connected to the lower part of the position limiting ring; a plurality of external profiling molds are provided, and a circular array of the plurality of external profiling molds is slidably connected to the upper part of the positioning mounting plate; a plurality of second reset elastic members are provided, and a plurality of the external profiling molds are elastically connected to the positioning mounting plate through a plurality of the second reset elastic members.

[0010] Furthermore, the pushing member structure includes a second reciprocating self-locking driving member and a guide connecting plate; the second reciprocating self-locking driving member is bolted to the lower part of the support base; there are multiple guide connecting plates, and the multiple guide connecting plates are respectively fixedly connected to the lower parts of the multiple pipe limit blocks, and the multiple guide connecting plates are all slidably connected to the sliding mounting plate.

[0011] Furthermore, the pusher structure also includes a second driving gear, a rotating mounting cylinder and a second driven gear; the second driving gear is rotatably connected to the lower part of the support base, and the second driving gear is coaxially fixedly connected to the output shaft of the second reciprocating self-locking driving member; the rotating mounting cylinder is rotatably connected to the middle part of the support base; the second driven gear is fixedly connected to the lower part of the rotating mounting cylinder, and the second driven gear and the second driving gear are meshed with each other.

[0012] Furthermore, the push piece structure also includes a second electric push rod and a tapered extrusion rod; the second electric push rod is bolted to the inner side of the rotating mounting cylinder; the tapered extrusion rod is fixedly connected to the upper part of the piston rod of the second electric push rod.

[0013] Furthermore, the push piece structure also includes an inner profiling mold and a first reset elastic member; the inner profiling mold is provided in plurality, and a plurality of the inner profiling molds are slidably connected in a circular array to the upper part of the rotating mounting cylinder; the first reset elastic member is provided in plurality, and a plurality of the inner profiling molds are elastically connected to the rotating mounting cylinder through a plurality of the first reset elastic members.

[0014] Beneficial Effects

[0015] The present invention can adjust the position of the pipe limit block according to the diameter of the metal pipe fitting, effectively ensuring the applicability of the spinning machine, limiting the position of the metal pipe fitting by the pipe limit block, and automatically pushing the processed pipe fitting out of the spinning machine by moving the sliding mounting plate and the pipe limit block, effectively improving the feeding speed of the metal pipe fitting, saving a lot of time, improving the replacement efficiency of the metal pipe fitting, thereby reducing the downtime of the spinning machine, improving the processing efficiency of the metal pipe fitting, and improving the use effect of the spinning machine. The working spinning machine is shielded by the safety protection cover to prevent impurities from falling on the pipe fitting and affecting the processing quality of the pipe fitting, thereby ensuring the forming effect of the pipe fitting, and also preventing the staff from accidentally touching the spinning machine and being injured, reducing safety hazards, and ensuring the safety of the use of the spinning machine. When replacing the pipe fitting, the safety protection cover and the conical limit cylinder are rotated to one side to avoid the abnormal falling and collision of the safety protection cover and the conical limit cylinder on the profiling mold when the first electric push rod fails, effectively preventing the profiling mold from being damaged, and ensuring the service life of the spinning machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0017] The drawings described below are only related to some embodiments of the present invention, but are not intended to limit the present invention.

[0018] In the attached picture:

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0020] Figure 2 It is a schematic diagram of the matching relationship between the first driving gear, the sliding mounting shaft and the first driven gear of the present invention.

[0021] Figure 3 It is a schematic diagram of the positions of the positioning mounting plate and the outer profiling mold of the present invention.

[0022] Figure 4 It is a schematic diagram of the disassembled structure of the outer profiling mold, the positioning installation plate, the inner profiling mold and the rotating installation cylinder of the present invention.

[0023] Figure 5 It is a schematic diagram of the positional relationship between the rotary installation cylinder and the tapered extrusion rod of the present invention.

[0024] Figure 6 It is a schematic diagram of the split structure of the rotary installation cylinder, the second electric push rod and the tapered extrusion rod of the present invention.

[0025] Figure 7 It is a schematic diagram of the positional relationship between the driven bevel gear and the position adjustment screw of the present invention.

[0026] Figure 8 It is a schematic diagram of the disassembled structure of the sliding mounting plate and the pipe limiting block of the present invention.

[0027] Reference numerals list

[0028] 1. Support base; 101. First electric push rod; 102. First driven gear; 103. Sliding mounting shaft; 104. First reciprocating self-locking driving member; 105. First driving gear; 106. Safety protection cover; 107. Conical limiting cylinder; 108. Second reciprocating self-locking driving member; 109. Second driving gear; 110. Rotating mounting cylinder; 111. Second driven gear; 112. Second electric push rod; 113. Conical extrusion rod; 114. Inner profiling mold; 115. First reset elastic member; 2. Position limiting ring; 201. Positioning mounting plate; 202. Outer profiling mold; 203. Second reset elastic member; 3. Third electric push rod; 4. Sliding mounting plate; 5. Active bevel gear; 6. Pipe fitting limiting block; 601. Guide connecting plate; 7. Driven bevel gear; 8. Position adjustment screw. DETAILED DESCRIPTION

[0029] Embodiment 1:

[0030] Please refer to Figures 1 to 3 As shown:

[0031] The present invention provides a rotary expansion molding device and a control method thereof, comprising: a support base 1, a position limiting ring 2 and a transmission structure; the position limiting ring 2 is fixedly connected to the upper part of the support base 1; and the transmission structure is arranged on the inner side of the support base 1.

[0032] The transmission structure includes a first electric push rod 101 and a sliding mounting shaft 103 ; the first electric push rod 101 is bolted to the left side of the support base 1 ; the sliding mounting shaft 103 is rotatably connected to the upper part of the piston rod of the first electric push rod 101 .

[0033] Among them, the transmission structure also includes a first driven gear 102, a first reciprocating self-locking driving member 104 and a first driving gear 105; the first driven gear 102 is rotatably connected to the upper part of the support base 1, and the first driven gear 102 is splined to the sliding mounting shaft 103; the first driving gear 105 is rotatably connected to the upper part of the support base 1, and the first driving gear 105 and the first driven gear 102 are meshed with each other; the first reciprocating self-locking driving member 104 is bolted to the upper part of the support base 1, and the output shaft of the first reciprocating self-locking driving member 104 is coaxially fixedly connected to the first driving gear 105.

[0034] The transmission structure further includes a safety protection cover 106 and a conical limiting cylinder 107 ; the safety protection cover 106 is fixedly connected to the upper part of the sliding mounting shaft 103 ; and the conical limiting cylinder 107 is fixedly connected to the middle part of the safety protection cover 106 .

[0035] Among them, the transmission structure also includes a positioning mounting plate 201, an external profiling mold 202 and a second reset elastic member 203; the positioning mounting plate 201 is fixedly connected to the lower part of the position limiting ring 2; a plurality of external profiling molds 202 are provided, and a plurality of external profiling molds 202 are slidably connected to the upper part of the positioning mounting plate 201 in a circular array; a plurality of second reset elastic members 203 are provided, and a plurality of external profiling molds 202 are elastically connected to the positioning mounting plate 201 through a plurality of second reset elastic members 203.

[0036] The specific usage and function of this embodiment are as follows: after the metal pipe is placed, the first reciprocating self-locking driving member 104 is started to rotate the first driving gear 105. When the first driving gear 105 rotates, it drives the first driven gear 102 and the sliding installation shaft 103 to rotate. When the safety protection cover 106 and the conical limiting cylinder 107 move back to their original positions and align with the position limiting ring 2, the first electric push rod 101 is started to drive the sliding installation shaft 103, the safety protection cover 106 and the conical limiting cylinder 107 to move downward, pushing the outer profiling mold 202 to slide along the positioning installation plate 201 until the conical limiting cylinder 107 presses the outer profiling mold 202, so that the outer profiling mold 202 is closely fitted with the metal pipe. After the end of the metal pipe is formed, the first reciprocating self-locking driving member 104 and the first electric push rod 101 control the safety protection cover 106 and the conical limiting cylinder 107 to return, and the second reset elastic member 203 pushes the outer profiling mold 202 to reset.

[0037] Embodiment 2:

[0038] like Figures 3 to 8 As shown:

[0039] On the basis of the first embodiment, it also includes a third electric push rod 3, a sliding mounting plate 4, an active bevel gear 5, a pipe limiting block 6, a push piece structure, a driven bevel gear 7 and a position adjustment screw 8; two third electric push rods 3 are provided, and the two third electric push rods 3 are bolted to the lower part of the support base 1; the sliding mounting plate 4 is fixedly connected to the upper part of the piston rods of the two third electric push rods 3; the active bevel gear 5 is rotatably connected to the upper part of the sliding mounting plate 4; a plurality of position adjustment screws 8 are provided, and a plurality of position adjustment screws 8 are rotatably connected to the upper part of the sliding mounting plate 4 in a circular array; the pipe limiting block 6 is a U-shaped structure, and a plurality of pipe limiting blocks 6 are provided, and the plurality of pipe limiting blocks 6 are respectively threadedly connected to the outer sides of the plurality of position adjustment screws 8; the push piece structure is provided on the inner side of the support base 1; a plurality of driven bevel gears 7 are provided, and the plurality of driven bevel gears 7 are respectively fixedly connected to the inner sides of the plurality of position adjustment screws 8, and the plurality of driven bevel gears 7 are all meshed with the active bevel gear 5.

[0040] Among them, the pushing member structure includes a second reciprocating self-locking driving member 108 and a guide connecting plate 601; the second reciprocating self-locking driving member 108 is bolted to the lower part of the support base 1; there are multiple guide connecting plates 601, and the multiple guide connecting plates 601 are respectively fixedly connected to the lower part of multiple pipe limit blocks 6, and the multiple guide connecting plates 601 are all slidably connected to the sliding mounting plate 4.

[0041] Among them, the pushing member structure also includes a second driving gear 109, a rotating mounting cylinder 110 and a second driven gear 111; the second driving gear 109 is rotatably connected to the lower part of the support base 1, and the second driving gear 109 is coaxially fixedly connected to the output shaft of the second reciprocating self-locking driving member 108; the rotating mounting cylinder 110 is rotatably connected to the middle part of the support base 1; the second driven gear 111 is fixedly connected to the lower part of the rotating mounting cylinder 110, and the second driven gear 111 and the second driving gear 109 are meshed with each other.

[0042] The pusher structure further includes a second electric push rod 112 and a tapered extrusion rod 113 ; the second electric push rod 112 is bolted to the inner side of the rotating mounting cylinder 110 ; the tapered extrusion rod 113 is fixedly connected to the upper part of the piston rod of the second electric push rod 112 .

[0043] Among them, the push piece structure also includes an inner profiling mold 114 and a first reset elastic member 115; a plurality of inner profiling molds 114 are provided, and a plurality of inner profiling molds 114 are slidably connected to the upper part of the rotating mounting cylinder 110 in a circular array; a plurality of first reset elastic members 115 are provided, and a plurality of inner profiling molds 114 are elastically connected to the rotating mounting cylinder 110 through a plurality of first reset elastic members 115.

[0044] The specific usage and function of this embodiment are as follows: the active bevel gear 5 is rotated to make the driven bevel gear 7 drive the position adjustment screw 8 to rotate and change the position of the pipe limit block 6. At this time, the guide connecting plate 601 will guide the movement of the pipe limit block 6. When the pipe limit block 6 moves to a suitable position, the metal pipe is placed on the pipe limit block 6. At this time, the third electric push rod 3 drives the sliding mounting plate 4 and the pipe to move downward until the pipe is flush with the profiling mold. At this time, the safety protection cover 106 and the conical limit cylinder 107 fall down, and the second electric push rod 112 is started to make the conical extrusion rod 113 move upward. The inner profiling die 114 is moved downward to extrude or release the inner profiling die 114. At this time, the inner profiling die 114 will slide outward along the rotating mounting cylinder 110 to extrude the metal pipe fitting, and then reset under the action of the first reset elastic member 115, and the second reciprocating self-locking driving member 108 is started to make the second driving gear 109 drive the second driven gear 111 and the rotating mounting cylinder 110 to rotate. At this time, the inner profiling die 114 will rotate with the rotating mounting cylinder 110, changing the extrusion position of the metal pipe fitting until the end of the metal pipe fitting is formed. At this time, the third electric push rod 3 will push the sliding mounting plate 4, the pipe fitting limit block 6 and the pipe fitting out of the spinning machine.

[0045] In this article, there are a few points to note:

[0046] 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.

[0047] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.

[0048] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. A rotary expansion molding device, comprising: A support base (1), a position limiting ring (2), a transmission structure, a third electric push rod (3), a sliding mounting plate (4), an active bevel gear (5), a pipe limit block (6), a push structure, a driven bevel gear (7) and a position adjustment screw (8); the position limiting ring (2) is fixedly connected to the upper part of the support base (1); it is characterized in that: the transmission structure is arranged on the inner side of the support base (1); two third electric push rods (3) are arranged, and the two third electric push rods (3) are bolted to the lower part of the support base (1); the sliding mounting plate (4) is fixedly connected to the upper part of the piston rods of the two third electric push rods (3); the active bevel gear (5) is rotatably connected to the The upper part of the sliding mounting plate (4); a plurality of position adjustment screws (8) are provided, and the plurality of position adjustment screws (8) are rotatably connected to the upper part of the sliding mounting plate (4) in a circular array; the pipe limit block (6) is a U-shaped structure, and a plurality of pipe limit blocks (6) are provided, and the plurality of pipe limit blocks (6) are respectively threadedly connected to the outer sides of the plurality of position adjustment screws (8); the pusher structure is provided on the inner side of the support base (1); a plurality of driven bevel gears (7) are provided, and the plurality of driven bevel gears (7) are respectively fixedly connected to the inner sides of the plurality of position adjustment screws (8), and the plurality of driven bevel gears (7) are all meshed with the active bevel gear (5).

2. A rotary expansion molding device as claimed in claim 1, characterized in that: The transmission structure comprises a first electric push rod (101) and a sliding mounting shaft (103); the first electric push rod (101) is bolted to the left side of the support base (1); and the sliding mounting shaft (103) is rotatably connected to the upper part of the piston rod of the first electric push rod (101).

3. A rotary expansion molding device as claimed in claim 2, characterized in that: The transmission structure further comprises a first driven gear (102), a first reciprocating self-locking driving member (104) and a first driving gear (105); the first driven gear (102) is rotatably connected to the upper part of the support base (1), and the first driven gear (102) is spline-connected to the sliding mounting shaft (103); the first driving gear (105) is rotatably connected to the upper part of the support base (1), and the first driving gear (105) and the first driven gear (102) are meshed with each other; the first reciprocating self-locking driving member (104) is bolted to the upper part of the support base (1), and the output shaft of the first reciprocating self-locking driving member (104) is coaxially fixedly connected to the first driving gear (105).

4. A rotary expansion molding device as claimed in claim 3, characterized in that: The transmission structure further comprises a safety protection cover (106) and a conical limiting cylinder (107); the safety protection cover (106) is fixedly connected to the upper part of the sliding mounting shaft (103); and the conical limiting cylinder (107) is fixedly connected to the middle part of the safety protection cover (106).

5. A rotary expansion molding device as claimed in claim 4, characterized in that: The transmission structure further comprises a positioning mounting plate (201), an external profiling die (202) and a second resetting elastic member (203); the positioning mounting plate (201) is fixedly connected to the lower part of the position limiting ring (2); a plurality of the external profiling die (202) are provided, and the plurality of the external profiling die (202) are slidably connected to the upper part of the positioning mounting plate (201) in a circular array; a plurality of the second resetting elastic members (203) are provided, and the plurality of the external profiling die (202) are elastically connected to the positioning mounting plate (201) via the plurality of the second resetting elastic members (203).

6. A rotary expansion molding device as claimed in claim 1, characterized in that: The push member structure comprises a second reciprocating self-locking driving member (108) and a guide connecting plate (601); the second reciprocating self-locking driving member (108) is bolted to the lower part of the support base (1); a plurality of guide connecting plates (601) are provided, and the plurality of guide connecting plates (601) are respectively fixedly connected to the lower parts of the plurality of pipe limit blocks (6), and the plurality of guide connecting plates (601) are all slidably connected to the sliding mounting plate (4).

7. A rotary expansion molding device as claimed in claim 6, characterized in that: The pusher structure further comprises a second driving gear (109), a rotating mounting cylinder (110) and a second driven gear (111); the second driving gear (109) is rotatably connected to the lower part of the support base (1), and the second driving gear (109) is coaxially fixedly connected to the output shaft of the second reciprocating self-locking driving member (108); the rotating mounting cylinder (110) is rotatably connected to the middle part of the support base (1); the second driven gear (111) is fixedly connected to the lower part of the rotating mounting cylinder (110), and the second driven gear (111) and the second driving gear (109) are meshed with each other.

8. A rotary expansion molding device and a control method thereof as claimed in claim 7, characterized in that: The push piece structure also includes a second electric push rod (112) and a conical extrusion rod (113); the second electric push rod (112) is bolted to the inner side of the rotating mounting cylinder (110); and the conical extrusion rod (113) is fixedly connected to the upper part of the piston rod of the second electric push rod (112).

9. A rotary expansion molding device and a control method thereof as claimed in claim 8, characterized in that: The push piece structure also includes an inner profiling mold (114) and a first reset elastic member (115); a plurality of the inner profiling molds (114) are provided, and the plurality of the inner profiling molds (114) are slidably connected in a circular array to the upper part of the rotating installation cylinder (110); a plurality of the first reset elastic members (115) are provided, and the plurality of the inner profiling molds (114) are elastically connected to the rotating installation cylinder (110) through the plurality of the first reset elastic members (115).

10. A control method for a rotary expansion molding device as claimed in claim 9, characterized in that: S1. The first electric push rod moves the safety cover and the conical limit cylinder downward, so that the conical limit cylinder presses the outer profiling mold tightly, so that the outer profiling mold fits tightly with the metal pipe; S2. The second electric push rod pushes the tapered extrusion rod to move back and forth to repeatedly extrude the inner profiling die, so that the inner profiling die continuously extrude the metal pipe; S3. The rotating mounting cylinder drives the inner profiling mold to rotate to change the contact position between the inner profiling mold and the metal pipe; S4. After the pipe is formed, the third electric push rod pushes the pipe limit block and the pipe out of the spinning machine to wait for new commands.

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