CN212763744U - Pipe blank slitting equipment with pipe orifice limiting mechanism - Google Patents

Abstract

The utility model discloses a pipe equipment of cutting with mouth of pipe stop gear, including the blowing frame, discharging pipe and back extension board are fixed respectively and set up both sides around the blowing frame, and the slip of back extension board lower extreme is provided with and is used for carrying out the cutting crotch that cuts to the pipe that the discharging pipe was extruded, and back extension board keeps away from the fixed hydraulic stem that is used for driving the cutting crotch to slide that is provided with in blowing frame one side, and the discharging pipe downside is equipped with epitaxial frame, and epitaxial frame is fixed to be set up in blowing frame front side, two parallel arrangement's of epitaxial frame middle part fixedly connected with mouth of pipe stop gear. The utility model discloses the rotation that makes the individual driven awl tooth pole of regulation cutting crotch drives the rotation of toughness billet to make first bull stick and second bull stick to the inside lateral buckling, it is spacing to carry out the hoop to the billet outside, and two sets of mouth of pipe stop gear laminate respectively in the upper and lower both sides that the pipe waited to cut the port, thereby reduce the deformation of pipe cutting pipe orifice department, improve the finished product quality of blow molding product.

Description

Pipe blank slitting equipment with pipe orifice limiting mechanism

Technical Field

The utility model relates to a blowing production facility technical field especially relates to a pipe equipment of cutting with mouth of pipe stop gear.

Background

The blow molding process is a common method for manufacturing hollow plastic products, generally, an injection machine is used to inject molten plastic into an injection mold to form a tube blank, the tube blank is formed on a hollow male mold with micropores on the peripheral wall, then the tube blank is moved into the blow molding mold while the tube blank is hot, then the mold is closed, compressed air is introduced from a pipeline of a core rod to blow and stick the blank on the cavity wall of the mold, finally, the pressure is maintained, the compressed air is discharged after cooling and shaping, and the mold is opened to take out a plastic part.

The utility model discloses a blow molding board cutterbar for current patent publication No. CN2164969, it realizes the cutting function to utilize the electric heat silk to generate heat. The cutter uses a battery as a power supply, and a loop of the battery, the conductive rod and the electric heating wire is formed in the cutter. When the power supply is turned on, the electric heating wire generates heat, the cutter works, and meanwhile, the length of the electric heating wire can be adjusted through the up-and-down movement of the conductive rod, so that the blowing plates with different thicknesses can be cut.

Among the above-mentioned technical scheme, when using the electric heat wire to cut the pipe billet, because the pipe billet needs heat the cutting, is in the hot melt state, consequently the pipe orifice department of pipe billet that is cut easily takes place to warp along with the removal of electric heat wire, leads to the finished product quality of blow molding product to reduce.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an equipment is cut to pipe with mouth of pipe stop gear can carry on spacingly to the mouth of pipe of waiting to cut the pipe, reduces the deformation of the pipe mouth of pipe department that is in the hot melt state to improve the finished product quality of blow molding product.

The utility model discloses a can realize through following technical scheme:

a pipe blank slitting device with a pipe orifice limiting mechanism comprises a blowing frame, a discharging pipe and a rear extension plate, wherein the discharging pipe and the rear extension plate are respectively and fixedly arranged on the front side and the rear side of the blowing frame, the lower end of the rear extension plate is slidably provided with a cutting fork frame used for cutting a pipe blank extruded by the discharging pipe, one side, away from the blowing frame, of the rear extension plate is fixedly provided with a hydraulic rod used for driving the cutting fork frame to slide, the lower side of the discharging pipe is provided with an extension frame, the extension frame is fixedly arranged on the front side of the blowing frame, the middle of the extension frame is fixedly connected with two pipe orifice limiting mechanisms arranged in parallel, the two pipe orifice limiting mechanisms are respectively positioned on the upper side and the lower side of the cutting fork frame, each pipe orifice limiting mechanism comprises a limiting base frame and a; two sides of the limiting base frame are provided with two adjusting rotating holes, a driven bevel gear rod is rotatably connected in the two adjusting rotating holes, and one end of the driven bevel gear rod is fixedly connected with a flexible steel bar in a bending state; the hoop subassembly sets up to two, two the hoop subassembly rotates to be set up and keeps away from driven awl ratch one side in spacing bed frame, the hoop subassembly includes first bull stick and second bull stick, first bull stick and second bull stick rotate to be connected, all seted up the adversion sliding hole in first bull stick and the second bull stick, the toughness billet runs through adversion sliding hole and first bull stick and second bull stick sliding connection.

Through adopting above-mentioned technical scheme, the rotation that makes the individual driven awl tooth pole of regulation cutting crotch drives the rotation of toughness billet to make first bull stick and second bull stick inside lateral buckling, it is spacing to carry out the hoop to the pipe billet outside, and two sets of mouth of pipe stop gear laminate respectively in the upper and lower both sides of pipe billet waiting to cut the port, thereby reduce the deformation of pipe billet cutting mouth of pipe department, improve the finished product quality of blow molding product.

Further setting the following steps: the pipe orifice limiting mechanism further comprises a driving assembly, the driving assembly comprises two translation double-tooth rods and four transfer bevel gears which are rotatably arranged on two sides of the extension frame, the two translation double-tooth rods are fixedly connected with two ends of the cutting fork frame respectively, the transfer bevel gears are meshed with adjacent driven bevel gear rods, the outer ends of the four transfer bevel gears are fixedly connected with transfer gears, and the two transfer gears on the side edge of the extension frame are meshed with the translation double-tooth rods respectively.

By adopting the technical scheme, the transfer bevel gears and the transfer gears are arranged on two sides of the driven bevel gear rod, so that the cutting fork frame drives the four transfer gears to rotate relatively when driving the translation double-gear rod to move, thereby driving the four driven bevel gear rods to rotate, and finishing the limiting treatment of the pipe blank when the cutting fork frame cuts.

Further setting the following steps: one end, far away from the second rotating rod, of the first rotating rod is rotatably connected with an inward-folding rotating shaft, and the first rotating rod is rotatably connected with the limiting base frame through the inward-folding rotating shaft.

Through adopting above-mentioned technical scheme, first bull stick rotates on spacing bed frame through the infolding pivot, makes first bull stick can laminate in the pipe side after the rotation, leaves the interval with the pipe port to reduce the pipe deformation that causes because of the rotation of first bull stick.

Further setting the following steps: a buffering sponge ring is arranged between the first rotating rod and the second rotating rod, and the buffering sponge ring is sleeved outside the tough steel rod.

Through adopting above-mentioned technical scheme, the buffering sponge circle that sets up between first bull stick and second bull stick is convenient for when the toughness billet drives first bull stick and second bull stick and rotates, alleviates the collision when relative rotation between second bull stick and the first bull stick.

Further setting the following steps: the buffering sponge ring is filled with lubricating oil, and the buffering sponge ring is attached to the opening of the inward-rotation sliding hole.

Through adopting above-mentioned technical scheme, the lubricating oil of intussuseption in the buffering sponge circle makes the second bull stick extrude buffering sponge circle when first bull stick side rotates, makes the interior lubricating oil of buffering sponge circle lubricate the rotation position between first bull stick and the second bull stick.

Further setting the following steps: and a buffer rubber pad is arranged on one side of each second rotating rod, which is close to each other, and the buffer rubber pad is tightly attached to one end, far away from the first rotating rod, of each second rotating rod.

Through adopting above-mentioned technical scheme, the buffering cushion that sets up between two second bull sticks is convenient for drive the second bull stick and rotate when drawing in at the toughness billet, alleviates the collision when two second bull sticks are close to each other, prolongs the life of second bull stick.

Further setting the following steps: first bull stick and second bull stick are close to spacing bed frame one side and have seted up the polishing face, the polishing face becomes the arc and sets up in first bull stick and second bull stick inboard.

By adopting the technical scheme, the polishing surfaces arranged on the inner sides of the first rotating rod and the second rotating rod are convenient for reducing the influence on the surface of the tube blank when the first rotating rod and the second rotating rod are attached to the surface of the tube blank, and the tightness when the first rotating rod and the second rotating rod are attached to the surface of the tube blank is improved.

To sum up, the utility model discloses a beneficial technological effect does:

the utility model discloses an adjust the rotation that the rotation of driven awl ratch drove the toughness billet, make first bull stick and second bull stick to the inside bending, it is spacing to carry out the hoop to the billet outside, and two sets of mouth of pipe stop gear laminate respectively in the upper and lower both sides of the pipe mouth of waiting to cut the port to reduce the deformation that the pipe cut pipe mouth department, improve the finished product quality of blow molding product.

Drawings

Fig. 1 is a schematic view of the overall structure of an embodiment of the present invention;

fig. 2 is a top cross-sectional view of an embodiment of the present invention;

FIG. 3 is a schematic structural view of the pipe orifice limiting mechanism of the present invention;

fig. 4 is a top cross-sectional view of the nozzle stop mechanism portion of the present invention.

Reference numerals: 1. a blow molding frame; 2. a discharge pipe; 3. a rear extension plate; 4. cutting the fork frame; 5. a hydraulic lever; 6. an extension frame; 7. a limiting base frame; 8. a folding-in rotating shaft; 9. a first rotating lever; 10. a second rotating rod; 11. an inward-rotation sliding hole; 12. a tough steel strip; 13. a driven bevel gear rod; 14. transferring a bevel gear; 15. rotating the gear; 16. a translational double-toothed bar; 17. and adjusting the rotary hole.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

In the description of the present invention, it is to be understood that the terms "central", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore are not to be construed as limiting the scope of the invention.

Referring to fig. 1, for the utility model discloses a pipe equipment of cutting with mouth of pipe stop gear, including blowing frame 1, discharging pipe 2 and back extension board 3 are fixed respectively and are set up in both sides around blowing frame 1, and 3 lower extremes of back extension board slide and are provided with the cutting crotch 4 that is used for carrying out the cutting to the pipe that discharging pipe 2 extruded, and back extension board 3 is kept away from the fixed hydraulic stem 5 that is used for driving cutting crotch 4 to slide that is provided with in 1 one side of blowing frame, and 2 downside of discharging pipe are equipped with extension frame 6, and extension frame 6 is fixed to be set up in 1 front side of blowing frame. When discharging, a pipe blank is extruded from the discharging pipe 2, the working end of the hydraulic rod 5 pushes the cutting fork frame 4 to move, and the electric heating wire on the cutting fork frame 4 cuts the pipe blank.

Referring to fig. 3 and 4, two parallel pipe orifice limiting mechanisms are fixedly connected to the middle of the outer extension frame 6, the two pipe orifice limiting mechanisms are respectively located at the upper side and the lower side of the cutting fork frame 4, each pipe orifice limiting mechanism comprises a limiting base frame 7 and a hoop component, and the hoop component is arranged on one side, close to the cutting fork frame 4, of the limiting base frame 7. Two adjusting rotating holes 17 are formed in two sides of the limiting base frame 7, a driven bevel gear rod 13 is connected in the two adjusting rotating holes 17 in a rotating mode, one end of the driven bevel gear rod 13 is fixedly connected with a toughness steel rod 12 in a bending state, and the driven bevel gear rod 13 rotates in the adjusting rotating holes 17 to drive the toughness steel rod 12 to rotate.

Referring to fig. 1 and 2, two hoop components are provided, the two hoop components are rotatably disposed on one side of the limiting base frame 7 away from the driven bevel gear rod 13, each hoop component includes a first rotating rod 9 and a second rotating rod 10, the first rotating rod 9 and the second rotating rod 10 are rotatably connected, inward-rotation sliding holes 11 are respectively formed in the first rotating rod 9 and the second rotating rod 10, and a ductile steel bar 12 penetrates through the inward-rotation sliding holes 11 and is slidably connected with the first rotating rod 9 and the second rotating rod 10. One end of the first rotating rod 9, which is far away from the second rotating rod 10, is rotatably connected with an inward-folding rotating shaft 8, and the first rotating rod 9 is rotatably connected with the limiting base frame 7 through the inward-folding rotating shaft 8. First bull stick 9 rotates on spacing bed frame 7 through infolding pivot 8, makes first bull stick 9 can laminate in the pipe side after the rotation, leaves the interval with the pipe port to reduce the pipe deformation that causes because of the rotation of first bull stick 9.

Referring to fig. 1, the pipe orifice limiting mechanism further includes a driving assembly, the driving assembly includes two translation double-toothed bars 16 and four transfer bevel gears 14 rotatably disposed on two sides of the extension frame 6, the two translation double-toothed bars 16 are respectively and fixedly connected with two ends of the cutting fork frame 4, the transfer bevel gears 14 are engaged with the adjacent driven bevel gear bars 13, the outer ends of the four transfer bevel gears 14 are fixedly connected with transfer gears 15, and the two transfer gears 15 on the side edges of the extension frame 6 are respectively engaged with the translation double-toothed bars 16. The transfer bevel gears 14 and the transfer gears 15 arranged on the two sides of the driven bevel gear rod 13 drive the four transfer gears 15 to rotate relatively when the cutting fork frame 4 drives the translation double-gear rod 16 to move, so that the four driven bevel gear rods 13 are driven to rotate, and the limit treatment on the pipe blank is completed when the cutting fork frame 4 cuts the pipe blank.

A buffer sponge ring is arranged between the first rotating rod 9 and the second rotating rod 10, and the buffer sponge ring is sleeved outside the tough steel bar 12. The buffering sponge circle that sets up between first bull stick 9 and second bull stick 10 is convenient for when toughness billet 12 drives first bull stick 9 and second bull stick 10 and rotates, alleviates the collision when relative rotation between second bull stick 10 and the first bull stick 9. The buffering sponge ring is filled with lubricating oil and is attached to the opening of the inward rotating sliding hole 11. Lubricating oil filled in the buffering sponge ring extrudes the buffering sponge ring when the second rotating rod 10 rotates at the side edge of the first rotating rod 9, so that the lubricating oil in the buffering sponge ring lubricates the rotating part between the first rotating rod 9 and the second rotating rod 10.

The two second rotating rods 10 are provided with a buffer rubber pad at one side close to each other, and the buffer rubber pad is closely attached to one end of the second rotating rod 10 far away from the first rotating rod 9. The buffering cushion that sets up between two second bull sticks 10 is convenient for drive second bull stick 10 and first bull stick 9 rotation when drawing in at toughness billet 12, alleviates the collision when two second bull sticks 10 are close to each other, prolongs the life of second bull stick 10.

The first rotating rod 9 and the second rotating rod 10 are close to one side of the limiting base frame 7 and are provided with polishing surfaces, and the polishing surfaces are arranged on the inner sides of the first rotating rod 9 and the second rotating rod 10 in an arc shape. The polishing surfaces arranged on the inner sides of the first rotating rod 9 and the second rotating rod 10 are convenient for reducing the influence on the surface of the tube blank when the first rotating rod 9 and the second rotating rod 10 are attached to the surface of the tube blank, and improving the tightness when the first rotating rod 9 and the second rotating rod 10 are attached to the surface of the tube blank.

The utility model discloses a theory of operation and beneficial effect do:

when the tube blank before blow molding is required to be discharged, the tube blank extruded from the discharge tube 2 is cut by moving the cutting fork 4 pushed by the working end of the hydraulic rod 5, when the cutting fork 4 moves to a side close to the discharge tube 2, the two translational double-toothed rods 16 at the front end of the cutting fork 4 drive the rotary gears 15 in meshed connection with the cutting fork, the four rotary gears 15 drive the rotary bevel gears 14 at the inner side of the extension frame 6 to rotate, and further the rotary bevel gears 14 are meshed with the driven bevel gear 13 to drive the tough steel bar 12 in the limiting base frame 7 to rotate, the tough steel bar 12 is limited by the first rotary rod 9 and the second rotary rod 10 to be in a stretched state, meanwhile, the stretched state of the tough steel bar 12 enables the first rotary rod 9 and the second rotary rod 10 to be in a stretched state, and when the tough steel bar 12 rotates, the first rotary rod 9 and the second rotary rod 10 which are originally in the stretched state are driven to rotate, the first rotating rod 9 and the second rotating rod 10 after rotating encircle the tube blank, the outer portion of the tube blank is limited in a hoop mode, the two groups of tube opening limiting mechanisms are attached to the upper side and the lower side of the end opening to be cut of the tube blank respectively, when the tube blank is cut by the cutting fork frame 4, deformation of the tube opening of the tube blank is reduced, and the quality of a finished product of a blow molding product is improved.

The above, only do the preferred embodiment of the present invention, not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (7)

1. The utility model provides an equipment is cut to pipe with mouth of pipe stop gear, includes blowing frame (1), discharging pipe (2) and back extension board (3) are fixed respectively and are set up in both sides around blowing frame (1), back extension board (3) lower extreme slides and is provided with cutting crotch (4) that are used for carrying out the cutting to the pipe that discharging pipe (2) were extruded, back extension board (3) are kept away from fixed hydraulic stem (5) that are used for driving cutting crotch (4) to slide that are provided with in blowing frame (1) one side, its characterized in that: an extension frame (6) is arranged on the lower side of the discharge pipe (2), the extension frame (6) is fixedly arranged on the front side of the blowing frame (1), two parallel pipe orifice limiting mechanisms are fixedly connected to the middle of the extension frame (6), the two pipe orifice limiting mechanisms are respectively positioned on the upper side and the lower side of the cutting fork frame (4), each pipe orifice limiting mechanism comprises a limiting base frame (7) and a hoop component, and the hoop component is arranged on one side, close to the cutting fork frame (4), of the limiting base frame (7);

two adjusting rotating holes (17) are formed in two sides of the limiting base frame (7), a driven bevel gear rod (13) is rotatably connected in the two adjusting rotating holes (17), and one end of the driven bevel gear rod (13) is fixedly connected with a flexible steel bar (12) in a bending state;

the hoop subassembly sets up to two, two the hoop subassembly rotates to be set up and keeps away from driven awl ratch (13) one side in spacing bed frame (7), the hoop subassembly includes first bull stick (9) and second bull stick (10), first bull stick (9) and second bull stick (10) rotate to be connected, adversion slide opening (11) have all been seted up in first bull stick (9) and second bull stick (10), toughness billet (12) run through adversion slide opening (11) and first bull stick (9) and second bull stick (10) sliding connection.

2. A tube blank slitting device with a tube opening limiting mechanism according to claim 1, characterized in that: the pipe orifice limiting mechanism further comprises a driving assembly, the driving assembly comprises two translation double-toothed rods (16) and four transfer bevel gears (14) rotatably arranged on two sides of the extension frame (6), the two translation double-toothed rods (16) are fixedly connected with two ends of the cutting fork frame (4) respectively, the transfer bevel gears (14) are meshed with the adjacent driven bevel gears (13), the outer ends of the four transfer bevel gears (14) are fixedly connected with transfer gears (15), and the two transfer gears (15) on the side edges of the extension frame (6) are meshed with the translation double-toothed rods (16) respectively.

3. A tube blank slitting device with a tube opening limiting mechanism according to claim 1, characterized in that: one end, far away from the second rotating rod (10), of the first rotating rod (9) is rotatably connected with an inward folding rotating shaft (8), and the first rotating rod (9) is rotatably connected with the limiting base frame (7) through the inward folding rotating shaft (8).

4. A tube blank slitting device with a tube opening limiting mechanism according to claim 1, characterized in that: a buffer sponge ring is arranged between the first rotating rod (9) and the second rotating rod (10), and the buffer sponge ring is sleeved outside the tough steel bar (12).

5. A tube blank slitting device with a tube opening limiting mechanism according to claim 4, characterized in that: the buffering sponge ring is filled with lubricating oil, and the buffering sponge ring is attached to the opening of the inward rotating sliding hole (11).

6. A tube blank slitting device with a tube opening limiting mechanism according to claim 1, characterized in that: and one side of each second rotating rod (10) close to each other is provided with a buffer rubber pad, and the buffer rubber pads are tightly attached to one end, far away from the first rotating rod (9), of each second rotating rod (10).

7. A tube blank slitting device with a tube opening limiting mechanism according to claim 1, characterized in that: and polishing surfaces are arranged on one sides of the first rotating rod (9) and the second rotating rod (10) close to the limiting base frame (7) and are arranged on the inner sides of the first rotating rod (9) and the second rotating rod (10) in an arc shape.

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