CN220371975U - Pipe end forming device of engine pipe fitting - Google Patents

Abstract

The utility model provides a pipe end forming device of an engine pipe fitting, which relates to the technical field of pipe end forming of the pipe fitting and comprises a control table, a driving motor and a rolling core, wherein the driving motor and the rolling core are fixedly arranged on the upper surface of the control table, the driving motor is in transmission fit with the rolling core, a convex ring shaft core is detachably arranged at the top end of the rolling core, a drag hook is arranged on the convex ring shaft core, rollers capable of longitudinally moving are respectively arranged at corresponding positions on the upper side and the lower side of the convex ring shaft core, and a limit shaft core capable of transversely moving is arranged at corresponding positions on the right side of the convex ring shaft core.

Description

Pipe end forming device of engine pipe fitting

Technical Field

The utility model relates to the technical field of pipe end forming of pipe fittings, in particular to a pipe end forming device of an engine pipe fitting.

Background

When the engine transmits gas, different pipe fittings are used, and tight connection of the pipe fittings is a key for ensuring that the engine can normally run, various hoses can be tightly connected by bulging the end parts of the pipe fittings in the prior art, but the bulged end parts of the bulged end parts are tightly matched with convex rings in forming equipment, so that the bulged end parts of the bulged end parts are not easy to take off from the forming equipment.

The utility model patent with the application number of 201420509491.8 discloses a pipe end forming device of an automobile engine precise pipe fitting, which comprises an operation table, a rolling seat, a wheel shaft and a rolling core, wherein an extrusion convex ring is arranged on the periphery of the rolling core, a rolling oil cylinder and a rolling pressing die are arranged on the rolling seat, the device also comprises an adjusting bracket, a limiting oil cylinder is fixedly arranged on the adjusting bracket, the end part of the limiting oil cylinder is rotationally connected with a limiting core extending towards the rolling core, the limiting core and the rolling core are coaxially arranged, and the wheel shaft is in transmission connection with a driving device. The utility model is characterized in that a rolling piece is sleeved on a rolling core, a rolling pressing die is driven to move downwards by a rolling oil cylinder and is in extrusion contact with the rolling piece, meanwhile, a driving device drives the rolling core to rotate by a driving wheel shaft, so that complete stranding of the circumferential surface of the rolling piece is completed;

however, in actual use, the rolling pinch roller is only arranged on the upper side of the rolling core, so that the rolling core is easy to deform after long-time extrusion of the rolling pinch roller, the end part of the pipe fitting is not uniformly bulged, and after the rolling pinch roller is used for many times, an oil film on the outer surface of the working mandrel is thickened and flows onto the outer surface of the end part of the pipe fitting, so that the outer surface of the end part of the pipe fitting becomes smooth, and the rolling pinch roller is not easy to take off from the rolling core after extrusion and bulging.

Disclosure of Invention

In order to solve the technical problems that in the prior art, a rolling core is easy to deform and the end part of a pipe fitting after being extruded and raised is not easy to take off from the upper surface of the rolling core, the utility model provides a pipe end forming device of an engine pipe fitting;

the pipe end forming device of the engine pipe fitting provided by the utility model adopts the following technical scheme:

the pipe end forming device of the engine pipe fitting comprises a control table, a driving motor and a rolling core, wherein the driving motor and the rolling core are fixedly arranged on the upper surface of the control table, the driving motor is in transmission fit with the rolling core, a convex ring shaft core is detachably arranged at the top end of the rolling core, a drag hook is arranged on the convex ring shaft core, rollers capable of longitudinally moving are respectively arranged at corresponding positions on the upper side and the lower side of the convex ring shaft core, and a limiting shaft core capable of transversely moving is arranged at a corresponding position on the right side of the convex ring shaft core;

further, the console comprises a fixed panel and supporting legs, wherein the fixed panel is fixedly arranged on the upper surfaces of the supporting legs;

further, a motor fixing frame and a fixing frame are fixedly arranged on the upper surface of the fixing panel, a driving motor is fixedly arranged on the upper surface of the motor fixing frame, a hydraulic oil cylinder (4) is connected to the top of the fixing frame (3) through bolts, two penetrating through holes are formed in the fixing frame, an output shaft is arranged on the driving motor and is in rotary fit with one through hole in the fixing frame, a driving gear is fixedly arranged at the end part of the upper output shaft penetrating through the through hole in the fixing frame, a rolling core is in rotary connection with the other through hole in the fixing frame, a transmission gear is fixedly arranged on one side, close to the through hole in the fixing frame, of the rolling core, and the driving motor and the rolling core form gear fit through the driving gear and the transmission gear;

further, through holes are formed in the upper surface of the fixing frame, through holes with the same size are formed in positions, corresponding to the through holes, of the fixing panel, connecting shafts are arranged on the hydraulic oil cylinders and are correspondingly arranged in the two through holes respectively, the connecting shafts in the hydraulic oil cylinders and the two through holes are longitudinally and movably arranged, roller seats are fixedly arranged at the top ends of the connecting shafts in the hydraulic oil cylinders, slotted holes are formed in the bottoms of the roller seats, and the rollers are arranged in the slotted holes and form rotary fit with the roller seats;

further, a limiting plate is fixedly arranged on the upper surface of the fixed panel, a limiting hydraulic cylinder is fixedly arranged on the limiting plate, a through hole is formed in the limiting plate, a connecting shaft is arranged on the limiting hydraulic cylinder and is transversely and movably arranged in the through hole, and a limiting shaft core is rotatably arranged at the top of the connecting shaft on the limiting hydraulic cylinder;

further, a fixed slot is formed in the right side of the rolling core, a positioning shaft is arranged at a position, corresponding to the fixed slot, of the left side of the convex ring shaft core, the positioning shaft is fixedly arranged in the fixed slot, a spring plate is fixedly arranged on the upper side of the end face of the positioning shaft in the convex ring shaft core, a pull plate is fixedly arranged on the lower side of the end face of the positioning shaft, a limit spring is fixedly arranged on the upper surface of the pull plate, the lower surface of the limit spring is fixedly arranged with the pull plate, the upper surface of the limit spring is fixedly arranged with the spring plate, a positioning pin is fixedly arranged on the upper surface of the spring plate, a position, corresponding to the positioning pin, of the fixed slot in the rolling core is provided with a limit slot, the positioning pin is clamped in the limit slot, a pressing plate is fixedly arranged on the outer surface of the rolling core, a pressure spring is arranged on the lower surface of the pressing plate, a side end face of the pressure spring is fixedly arranged with the pressing plate, a circular pressing plate, corresponding to the end face of the left side of the rolling core is fixedly arranged on the outer surface of the rolling core, a circular pressing plate communicated with the fixed slot in the rolling core is arranged on the upper surface of the rolling core, a circular top post is correspondingly arranged on the circular sliding post, and the circular sliding post is correspondingly arranged in the circular sliding post.

In summary, the beneficial effects of the utility model are as follows:

1. according to the utility model, the rollers are respectively arranged on the upper side and the lower side of the convex ring shaft core, the pipe end part is sleeved on the convex ring shaft core in the extrusion molding process of the pipe end part, and the rollers are used for simultaneously extruding and molding the pipe end part on the convex ring shaft core up and down, so that the technical problem that the convex ring shaft core is deformed due to the extrusion of only one side of the convex ring shaft core is prevented;

2. according to the utility model, the convex ring shaft core and the rolling core are arranged to be detachable, after the end part of the pipe fitting is extruded and molded, the molded end part of the pipe fitting and the convex ring shaft core can be detached from the rolling core at the same time, the convex ring shaft core is also provided with the draw hook, and the end part of the pipe fitting sleeved on the convex ring shaft core can be easily taken out from the convex ring shaft core by pulling the draw hook outwards.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic front view of the present utility model;

FIG. 3 is a schematic view of the section A-A of FIG. 2 in accordance with the present utility model;

FIG. 4 is a schematic top view of the present utility model;

FIG. 5 is a schematic view of the section B-B of FIG. 4 in cross-section in accordance with the present utility model;

FIG. 6 is an enlarged view of the portion C of FIG. 2 in accordance with the present utility model;

FIG. 7 is an enlarged view of the portion D of FIG. 2 in accordance with the present utility model;

fig. 8 is an enlarged view of the portion E of fig. 5 according to the present utility model.

The following figures are shown: 1-a console; 2-driving a motor; 3-fixing frame; 4-a hydraulic cylinder; 5-a rolling core; 6-limiting a hydraulic cylinder; 7-limiting the shaft core; 8-limiting plates; 101-fixing a panel; 102-supporting legs; 201-a drive gear; 202-a transmission gear; 301-a motor fixing frame; 401-roller seat; 402-a roller; 501-a convex ring shaft core; 502-shrapnel; 503-pulling plate; 504-a limit spring; 505-platen; 506-a pressure spring; 507-top column.

Detailed Description

The utility model will be further described with reference to specific examples, illustrative examples and illustrations of which are provided herein to illustrate the utility model, but are not to be construed as limiting the utility model.

Examples: pipe end forming devices for engine pipe fittings as shown in fig. 1, 2, 3, 4, 5, 6, 7, 8;

as shown in fig. 1 and fig. 6-8, the pipe end forming device of the engine pipe fitting comprises a control table 1, a driving motor 2 and a rolling core 5, wherein the driving motor 2 and the rolling core 5 are fixedly arranged on the upper surface of the control table 1, the driving motor 2 and the rolling core 5 are in transmission fit, a convex ring shaft core 501 is detachably arranged at the top end of the rolling core 5, a drag hook is arranged on the convex ring shaft core 501, rollers 402 capable of longitudinally moving are respectively arranged at corresponding positions of the upper side and the lower side of the ring shaft core 501, and a limit shaft core 7 capable of transversely moving is arranged at corresponding positions of the right side of the ring shaft core 501. In the extrusion molding process of the pipe fitting end part, the pipe fitting end part is sleeved on the convex ring shaft core 501, the roller is used for simultaneously extruding and molding the pipe fitting end part on the convex ring shaft core 501 up and down, the convex ring shaft core 501 and the rolling core 5 are arranged to be detachable, after the pipe fitting end part is extruded and molded, the molded pipe fitting end part and the convex ring shaft core 501 can be detached from the rolling core 5 at the same time, a drag hook is further arranged on the convex ring shaft core 501, and the pipe fitting end part can be easily taken out from the convex ring shaft core by pulling the drag hook outwards.

As shown in fig. 2 and 3, the console 1 includes a fixed panel 101 and support legs 102, and the fixed panel 101 is fixedly provided on the upper surface of the support legs 102. The upper surface of the fixed panel 101 is fixedly provided with a motor fixing frame 301 and a fixing frame 3, the driving motor 2 is fixedly arranged on the upper surface of the motor fixing frame 301, the top of the fixing frame (3) is connected with a hydraulic oil cylinder (4) through bolts, two penetrating through holes are formed in the fixing frame 3, an output shaft is arranged on the driving motor 2 and is in running fit with one through hole in the fixing frame 3, the upper output shaft of the driving motor 2 penetrates through the through hole in the fixing frame 3 and is fixedly provided with a driving gear 201 at the end part of the upper output shaft, the rolling core 5 is in running connection with the other through hole in the fixing frame 3, one side of the rolling core 5, close to the through hole in the fixing frame 3, is fixedly provided with a transmission gear 202, and the driving motor 2 and the rolling core 5 form gear fit through the driving gear 201 and the transmission gear 202. When the pipe fitting extrusion forming device is used, the driving motor 2 drives the output shaft to rotate, the output shaft drives the driving gear 201 to rotate, the driving gear 201 drives the transmission gear 202 to rotate, and the transmission gear 202 drives the rolling core 5 to rotate to perform pipe fitting end extrusion forming work.

As shown in fig. 6 and 7, a through hole is formed on the upper surface of the fixing frame 3, through holes with the same size are formed at positions corresponding to the through holes on the fixing panel 101, connecting shafts are arranged on the hydraulic cylinder 4, the connecting shafts are correspondingly arranged in the two through holes respectively, the connecting shafts in the hydraulic cylinder 4 and the two through holes are longitudinally and movably arranged, a roller seat 401 is fixedly arranged at the top end of the connecting shaft in the hydraulic cylinder 4, a slot hole is formed at the bottom of the roller seat 401, and the roller 402 is arranged in the slot hole and forms a running fit with the roller seat 401. When the hydraulic cylinder 4 is used, the hydraulic cylinder 4 pushes the rollers 402 on the upper side and the lower side of the convex ring shaft core 501 to squeeze the convex ring shaft core, and the rollers 402 and the convex ring shaft core 501 can rotate together in the squeezing process, so that friction damage to the end part of the pipe is prevented from being caused by the rollers 402 in the squeezing process. As shown in fig. 2 and 7, a limiting plate 8 is fixedly arranged on the upper surface of the fixed panel 101, a limiting hydraulic cylinder 6 is fixedly arranged on the limiting plate 8, a through hole is formed in the limiting plate 8, a connecting shaft is arranged on the limiting hydraulic cylinder 6, the connecting shaft is transversely and movably arranged in the through hole, and a limiting shaft core 7 is rotatably arranged at the top of the connecting shaft on the limiting hydraulic cylinder 6. In the extrusion forming process of the pipe fitting end part, the limiting hydraulic cylinder 6 drives the limiting shaft core 7 to move towards the convex ring shaft core 501, the pipe fitting end part on the convex ring shaft core 501 is fixed, and the limiting shaft core 7 and the convex ring shaft core 501 can rotate together in the extrusion forming process, so that resistance can not be generated to the rotation of the convex ring shaft core 501.

As shown in fig. 8, a fixing groove is formed on the right side of the rolling core 5, a positioning shaft is arranged at a position corresponding to the fixing groove on the left side of the convex ring shaft core 501, the positioning shaft is fixedly arranged in the fixing groove, a spring plate 502 is fixedly arranged on the upper side of the end face of the positioning shaft in the convex ring shaft core 501, a pull plate 503 is fixedly arranged on the lower side of the end face of the positioning shaft, a drag hook is arranged on the left side of the pull plate 503, a limit spring 504 is fixedly arranged on the upper surface of the drag hook, the lower surface of the limit spring 504 is fixedly arranged with the pull plate 503, the upper surface of the drag hook is fixedly arranged with the spring plate 502, a positioning pin is fixedly arranged on the upper surface of the spring plate 502, a positioning groove is arranged in the fixing groove in the rolling core 5, a pressing plate 505 is fixedly clamped in the limiting groove, a pressing plate 505 is fixedly arranged on the outer surface of the rolling core 5, a pressure spring 506 is arranged on the lower surface of the pressing plate 505, one side end face of the pressure spring 506 is fixedly arranged with the outer surface of the pressing plate 505, a circular slide rail is arranged at a position corresponding to the left end of the rolling core 5 to the spring plate 502, a pressing plate 507 is fixedly arranged on the upper surface of the rolling core 5 to the circular slide rail is correspondingly arranged at the circular slide rail 507, and a sliding post is arranged at the position corresponding to the circular slide rail 507. During the use, insert the fixed slot in the roll core 5 with the locating shaft on the bulge loop axle core 501, through the locating pin card in the shell fragment 502 in the bulge loop axle core 501 in the spacing groove on the fixed slot in the roll core 5, fix roll core 5 and bulge loop axle core 501, after accomplishing pipe fitting tip extrusion molding work, can be through pressing down clamp plate 505, clamp plate 505 drives jack post 507 and moves down, jack post 507 promotes shell fragment 502 downwards, make the locating pin on the shell fragment 502 break away from in the spacing groove on the fixed slot in the roll core 5, dismantle simultaneously from roll core 5 with the pipe fitting tip after the shaping and bulge loop axle core 501, the arm-tie 503 tip on the bulge loop axle core 501 still is provided with the drag hook, can take off easily from the bulge loop axle core 501 through outwards pulling the drag hook with the pipe fitting tip.

The implementation principle of the utility model is as follows:

according to the utility model, the hydraulic oil cylinders 4 are respectively arranged on the upper side and the lower side of the convex ring shaft core 501, the rotatable rollers 402 are arranged at the end parts of the connecting shafts of the hydraulic oil cylinders 4, in the process of extrusion molding of pipe end parts, the pipe end parts are sleeved on the convex ring shaft core 501, the rollers 402 are used for extrusion molding of the pipe end parts on the convex ring shaft core 501 up and down simultaneously, the technical problem that the convex ring shaft core 501 is deformed when only one side of the convex ring shaft core 501 is extruded is prevented, the convex ring shaft core 501 and the rolling core 5 are arranged to be detachable, after extrusion molding of the pipe end parts, the molded pipe end parts and the convex ring shaft core 501 can be detached from the rolling core simultaneously, the convex ring shaft core 501 is provided with the pull plates 503, and the end parts of the pull plates 503 are also provided with the pull hooks, so that the extruded pipe end parts can be easily taken out from the convex ring shaft core 501 by pulling the pull plates 503 outwards.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. Various components mentioned in the present utility model are common in the art, and it should be understood by those skilled in the art that the present utility model is not limited by the above embodiments, and the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications can be made in the present utility model without departing from the spirit and scope of the utility model, which is defined in the claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. The pipe end forming device of the engine pipe fitting comprises a control table (1), a driving motor (2) and a rolling core (5), wherein the driving motor (2) and the rolling core (5) are fixedly arranged on the upper surface of the control table (1), and the driving motor (2) and the rolling core (5) are in transmission fit.

2. Pipe end forming device of an engine pipe fitting according to claim 1, characterized in that the console (1) comprises a fixing panel (101) and a support leg (102), the fixing panel (101) being fixedly arranged on the upper surface of the support leg (102).

3. The pipe end forming device of an engine pipe fitting according to claim 2, characterized in that a motor fixing frame (301) and a fixing frame (3) are fixedly arranged on the upper surface of the fixing panel (101), the driving motor (2) is fixedly arranged on the upper surface of the motor fixing frame (301), a hydraulic cylinder (4) is connected to the top of the fixing frame (3) through bolts, two penetrating through holes are formed in the fixing frame (3), an output shaft is arranged on the driving motor (2) and is in rotary fit with one through hole in the fixing frame (3), a driving gear (201) is fixedly arranged at the end portion of the upper output shaft of the driving motor (2) penetrating through the through hole in the fixing frame (3), a rolling core (5) is in rotary connection with the other through hole in the fixing frame (3), a transmission gear (202) is fixedly arranged on one side, close to the through hole in the fixing frame (3), of the driving motor (2) and the rolling core (5) form gear fit with the transmission gear (202) through the driving gear (201).

4. The pipe end forming device of the engine pipe fitting according to claim 3, wherein through holes are formed in the upper surface of the fixing frame (3), through holes with the same size are formed in positions, corresponding to the through holes, of the fixing panel (101), connecting shafts are arranged on the hydraulic cylinder (4) and are correspondingly arranged in the two through holes respectively, the connecting shafts in the hydraulic cylinder (4) and the two through holes are longitudinally and movably arranged, roller seats (401) are fixedly arranged at the top ends of the connecting shafts in the hydraulic cylinder (4), slotted holes are formed in the bottoms of the roller seats (401), and the rollers (402) are arranged in the slotted holes to form a rotating fit with the roller seats (401).

5. The pipe end forming device of the engine pipe fitting according to claim 2, characterized in that a limiting plate (8) is fixedly arranged on the upper surface of the fixing panel (101), a limiting hydraulic cylinder (6) is fixedly arranged on the limiting plate (8), a through hole is formed in the limiting plate (8), a connecting shaft is arranged on the limiting hydraulic cylinder (6), the connecting shaft is transversely movably arranged in the through hole, and a limiting shaft core (7) is rotatably arranged at the top of the connecting shaft on the limiting hydraulic cylinder (6).

6. The pipe end forming device of engine pipe fittings according to claim 4, wherein the right side of the rolling core (5) is provided with a fixing groove, a positioning shaft is arranged at a position corresponding to the fixing groove on the left side of the convex ring shaft core (501), the positioning shaft is fixedly arranged in the fixing groove, a spring piece (502) is fixedly arranged at the upper side of the end face of the positioning shaft in the convex ring shaft core (501), a pulling plate (503) is fixedly arranged at the lower side of the end face of the positioning shaft, a draw hook is arranged at the left side of the pulling plate (503), a limit spring (504) is fixedly arranged on the upper surface of the pulling plate, the lower surface of the limit spring (504) is fixedly arranged with the pulling plate (503), a positioning pin is fixedly arranged on the upper surface of the spring piece (502), a limit groove is arranged at a position corresponding to the positioning pin in the fixing groove in the rolling core (5), the positioning pin is clamped in the limit groove, a pressing plate (505) is fixedly arranged on the outer surface of the rolling core (5), a pressing plate (505) is fixedly arranged on the outer surface of the rolling core, a pressing plate (506) is fixedly arranged on the lower surface of the rolling core (5), a position corresponding to the end face of the rolling core (5) is fixedly arranged on the other side of the rolling core (5), a round pressing plate (506) is fixedly arranged on the end face of the rolling core (5), and the rolling core is fixedly arranged on the other side of the rolling core (5), a jacking column (507) is arranged on the pressing plate (505) at a position corresponding to the circular slideway, and the jacking column (507) is slidably arranged in the circular slideway.