CN212949135U

CN212949135U - Pipe blank slitting equipment for blow molding

Info

Publication number: CN212949135U
Application number: CN202021775205.4U
Authority: CN
Inventors: 戴胜
Original assignee: Tianjin Credit Technology Co ltd
Current assignee: Tianjin Credit Technology Co ltd
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2021-04-13
Anticipated expiration: 2030-08-21

Abstract

The utility model discloses a pipe equipment of cutting for blowing, including the blowing frame, two extrusion pipes of blowing frame front end fixedly connected with, two extrusion pipe lower extreme fixedly connected with ejection of compact mouths of pipe, the frame is prolonged behind blowing frame rear end fixedly connected with, blow frame one end fixedly connected with hydraulic stem is kept away from to the frame that prolongs afterwards, hydraulic stem work end fixedly connected with divides and cuts the frame, divide and cut the frame and keep away from the heating wire that hydraulic stem one end fixedly connected with is used for cutting the pipe, it is equipped with clean mechanism to prolong frame one side to be close to extrusion pipe, clean mechanism is fixed to be set up in blowing frame middle part, clean mechanism is located between dividing and cutting frame and the heating wire, clean mechanism includes well pedestal, swing swivel mount and interlock ratch. The utility model discloses the linkage ratch that makes and remove along with the slitting frame drives from changeing the ratch and rotate, and then makes the transfer axostylus axostyle drive two clean crotch swings and clear up the pipe blank of adhesion on the heating wire to reduce the pipe blank and to the influence of heating wire cutting efficiency.

Description

Pipe blank slitting equipment for blow molding

Technical Field

The utility model relates to a blowing production facility technical field especially relates to a equipment is cut to pipe for blowing.

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, can use the heating wire after the circular telegram to generate heat and cut, nevertheless because the pipe temperature is less than the temperature of heating wire, after cutting, partial pipe blank adheres to on the heating wire, not only separation heating wire's follow-up blank reduces the cutting efficiency of cutting equipment, and unnecessary waste material after the dropout is easy in addition with the pipe port adhesion, influences the finished product quality of blow molding.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an equipment is cut to pipe for blowing can clear up the heating wire after cutting the pipe, reduces the pipe blank of adhesion on the heating wire, improves the finished product quality of blowing.

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

a tube blank cutting device for blow molding comprises a blow molding rack, wherein the front end of the blow molding rack is fixedly connected with two extrusion molding tubes, the lower ends of the two extrusion molding tubes are fixedly connected with a discharge tube opening, the rear end of the blow molding rack is fixedly connected with a rear extension frame, one end, away from the blow molding rack, of the rear extension frame is fixedly connected with a hydraulic rod, the working end of the hydraulic rod is fixedly connected with a cutting frame, one end, away from the hydraulic rod, of the cutting frame is fixedly connected with a heating wire used for cutting a tube blank, one side, close to the extrusion molding tubes, of the rear extension frame is provided with a cleaning mechanism, the cleaning mechanism is fixedly arranged in the middle of the blow molding rack, the cleaning mechanism is located between the cutting frame and the heating; the middle shaft bracket is fixedly arranged at a position close to one side of the discharging pipe orifice in the middle of the blow molding machine frame, the lower end of the middle shaft bracket is rotatably connected with a transfer shaft rod, a secondary transfer gear is sleeved in the middle of the transfer shaft rod, and two ends of the transfer shaft rod are respectively and fixedly connected with a first bevel gear; the device comprises a blowing rack, a first bevel gear, a second bevel gear, a cleaning fork frame, a heating wire, two swinging rotating frames, a first bevel gear, a second bevel gear, a cleaning fork frame and a heating wire, wherein the number of the swinging rotating frames is two, the two swinging rotating frames are respectively arranged at one side, away from each other, of the two first bevel gears, the upper end of each swinging rotating frame is rotatably connected with the inner wall of the blowing rack, the middle part of each swinging rotating frame is sleeved with the; the linkage toothed bar is arranged on the upper side of the middle part of the transfer shaft rod, one end, far away from the electric heating wire, of the linkage toothed bar is fixedly connected with the cutting frame, and the linkage toothed bar is meshed with the driven rotary gear.

Through adopting above-mentioned technical scheme, make the linkage ratch that removes along with the slitting frame drive and rotate from changeing the gear wheel, and then make the transfer axostylus axostyle drive two clean crotch swings and clear up the pipe blank of adhesion on the heating wire to reduce the influence of pipe blank to heating wire cutting efficiency.

Further setting the following steps: the cleaning fork frame is internally provided with a metal bristle layer which slides along the electric heating wire.

Through adopting above-mentioned technical scheme, at the inside metal brush hair layer that sets up of interlock ratch, when making metal brush hair layer laminating heating wire slide, clear up the pipe blank of adhesion on the heating wire, improve the clearance effect of clean crotch to the heating wire.

Further setting the following steps: the middle shaft brackets are arranged in two groups, the middle shaft brackets are rotationally connected with the two middle shaft brackets, the two middle shaft brackets are respectively arranged on two sides of the driven rotating gear, and the upper ends of the two middle shaft brackets are fixedly connected with the inner wall of the blow molding machine frame.

Through adopting above-mentioned technical scheme, the well pedestal that is connected with the transfer axostylus axostyle is two sets of to make two sets of pedestals carry out the bearing to the epaxial follow commentaries on classics gear of transfer axostylus axostyle, improve from changeing the gear and receive the removal of interlock ratula and stability when rotating.

Further setting the following steps: the middle rotating shaft rod is sleeved with two ball bearings, the inner wall of each ball bearing is fixedly connected with the middle rotating shaft rod, the outer wall of each ball bearing is fixedly connected with the middle shaft frame, and the middle rotating shaft rod is rotatably connected with the middle shaft frame through the ball bearings.

Through adopting above-mentioned technical scheme, the ball bearing of establishing is overlapped on the transfer axostylus axostyle, is convenient for reduce the rotational friction between transfer axostylus axostyle and the well pedestal, improves the stationarity of transfer axostylus axostyle when the pedestal rotation.

Further setting the following steps: two one side that first bevel gear kept away from each other is equipped with the dross removal mechanism, the dross removal mechanism includes the side bed frame and indulges the slide bar that moves, side bed frame fixed connection is on the inboard lateral wall of blowing frame, indulge move slide bar sliding connection in the side bed frame, indulge move slide bar lower extreme fixedly connected with cleaning brush frame.

Through adopting above-mentioned technical scheme, the slagging-off mechanism that sets up at first bevel gear side makes the cleaning brush frame among the slagging-off mechanism fall when the heating wire transversely slides, rotates the pipe impurity of stirring to the heating wire both sides to receiving the cleaning crotch and clears up to the pipe blank after making the cleaning crotch clearance is separated with the heating wire.

Further setting the following steps: the upper end of the reset spring is fixedly connected with the upper end of the longitudinal moving slide rod, and the lower end of the reset spring is abutted to the side base frame.

Through adopting above-mentioned technical scheme, indulge the reset spring that establishes on moving the slide bar, make reset spring pulling indulge move the slide bar and have the trend of downward movement, indulge move the slide bar and receive reset spring pulling downstream to the tube blank that separates to the heating wire both sides clears up.

Further setting the following steps: the cleaning brush frame is far away from first bevel gear one side fixedly connected with direction lug, blowing frame lateral wall is close to cleaning brush frame department and is provided with spacing foundation pile, spacing foundation pile lower extreme and slitting frame fixed connection, the arc slide has been seted up to spacing foundation pile upper end, the arc slide on the spacing foundation pile of direction lug laminating slides.

Through adopting above-mentioned technical scheme, make spacing foundation pile drive clean brush yoke longitudinal movement, at the spacing foundation pile that clean brush yoke side set up promptly, when making spacing foundation pile move along with the slitting frame, the arc slide through the upside drives the direction lug of clean brush yoke side and slides, and then drives the sliding of clean brush yoke at the heating wire side, clears up the pipe blank of adhesion on the heating wire.

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

the utility model discloses a drive along with the linkage ratch that the slitting frame removed from changeing the gear wheel and rotating, and then make the transfer axostylus axostyle from changeing the gear wheel side drive two clean crotch swings and clear up the pipe blank of adhesion on the heating wire, reduce the pipe blank to the influence of heating wire cutting efficiency, improve the port quality of cutting back pipe.

Drawings

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

FIG. 2 is a schematic view of the structure at A in FIG. 1;

fig. 3 is a right side cross-sectional view of an embodiment of the present invention;

fig. 4 is a schematic perspective view of an embodiment of the present invention, which is mainly used to show the structure of the secondary gear part.

Reference numerals: 1. a blow molding frame; 2. extruding a plastic pipe; 3. a discharge pipe orifice; 4. a rear extension frame; 5. a hydraulic lever; 6. a cutting frame; 7. an electric heating wire; 8. a middle shaft bracket; 9. a transfer shaft lever; 10. a driven gear; 11. a first bevel gear; 12. a second bevel gear; 13. cleaning the fork; 14. a linkage toothed bar; 15. a side pedestal; 16. longitudinally moving the slide bar; 17. a cleaning brush holder; 18. limiting foundation piles; 19. an arc-shaped slideway; 20. a guide projection; 21. a return spring.

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 cutting equipment for blowing, including blowing frame 1, two extrusion pipes 2 of 1 front end fixedly connected with of blowing frame, two extrusion pipes 2 lower extreme fixedly connected with ejection of compact mouth of

pipe

3, 1 rear end fixedly connected with of blowing frame postpones frame 4, postpones frame 4 and keeps away from 1 one end fixedly connected with hydraulic stem 5 of blowing frame, and 5 work end fixedly connected with of hydraulic stem divides and cuts frame 6, divides and cuts frame 6 and keeps away from 5 one end fixedly connected with of hydraulic stem and be used for cutting the heating wire 7 of pipe. The pipe that extrudes in the extruded pipe 2 is via the ejection of compact mouth of pipe 3 ejection of compact, and behind the pipe ejection of compact length reached setting for length, 5 work ends of hydraulic stem promote the branch and cut frame 6 and move to being close to ejection of compact mouth of pipe 3 one side, make the heating wire 7 that is in high temperature state on the branch and cut frame 6 cut the geminate transistors blank.

Referring to fig. 3, a cleaning mechanism is arranged on one side of the rear extension frame 4 close to the extrusion pipe 2, the cleaning mechanism is fixedly arranged in the middle of the blow molding machine frame 1, the cleaning mechanism is positioned between the cutting frame 6 and the electric heating wire 7, and the cleaning mechanism comprises a middle shaft frame 8, a swinging rotating frame and a linkage rack bar 14.

Well pedestal 8 is fixed to be set up in 1 middle part of blow molding frame and is close to discharge tube mouth 3 one side position, and well pedestal 8 lower extreme rotates and is connected with well transfer axostylus axostyle 9, and the transfer axostylus axostyle 9 middle part has cup jointed from changeing gear 10, and the first bevel gear 11 of fixedly connected with respectively in the transfer axostylus axostyle 9 both ends. Well pedestal 8 sets up to two sets ofly, and well axostylus axostyle 9 rotates with two well pedestals 8 to be connected, and two well pedestals 8 set up respectively in the both sides from commentaries on

classics gear

10, and 8 upper ends of two well pedestals all with 1 inner wall fixed connection of blowing frame. The two sets of the middle shaft brackets 8 connected with the middle shaft rod 9 enable the two sets of the middle shaft brackets 8 to support the driven rotating gear 10 on the middle shaft rod 9, and stability of the driven rotating gear 10 when the driven rotating gear 10 is moved by the linkage gear rod 14 and rotates is improved. The cover is equipped with two ball bearings on the transfer axostylus axostyle 9, ball bearing inner wall and transfer axostylus axostyle 9 fixed connection, ball bearing outer wall and 8 fixed connection of center shaft frame, and transfer axostylus axostyle 9 rotates with center shaft frame 8 through ball bearing and is connected. The ball bearing sleeved on the transfer shaft rod 9 is convenient for reducing the rotation friction between the transfer shaft rod 9 and the middle shaft bracket 8, and improves the stability of the transfer shaft rod 9 when rotating in the middle shaft bracket 8.

Referring to fig. 1 and 4, two swing turrets are provided, the two swing turrets are respectively provided at one side of the two first bevel gears 11, the upper end of the swing turrets is rotatably connected with the inner wall of the blow molding machine frame 1, the middle part of the swing turrets is sleeved with a second bevel gear 12, the second bevel gear 12 is meshed with the first bevel gear 11, the lower end of the second bevel gear 12 is fixedly connected with a cleaning fork frame 13, and the cleaning fork frame 13 is attached to the electric heating wire 7 to slide. A metal bristle layer is arranged inside the cleaning fork 13 and is attached to the electric heating wire 7 to slide. The metal brush layer provided in the interlocking rack bar 14 facilitates cleaning of the tube blank adhered to the heating wire 7 when the metal brush layer slides in conformity with the heating wire 7, thereby improving the cleaning effect of the cleaning fork 13 on the heating wire 7.

The linkage rack bar 14 is arranged on the upper side of the middle part of the transfer shaft rod 9, one end, far away from the electric heating wire 7, of the linkage rack bar 14 is fixedly connected with the cutting frame 6, and the linkage rack bar 14 is meshed with the driven rotary gear 10.

Referring to fig. 1 and 2, a deslagging mechanism is disposed on a side of each of the two first bevel gears 11 away from each other, the deslagging mechanism includes a side base frame 15 and a longitudinally moving slide bar 16, the side base frame 15 is fixedly connected to a side wall of the inner side of the blow molding frame 1, the longitudinally moving slide bar 16 is slidably connected to the inside of the side base frame 15, and a cleaning brush frame 17 is fixedly connected to a lower end of the longitudinally moving slide bar 16. The deslagging mechanism arranged at the side edge of the first bevel gear 11 enables a cleaning brush frame 17 in the deslagging mechanism to fall down when the electric heating wire 7 slides transversely, and tube blank impurities stirred to the two sides of the electric heating wire 7 by the rotation of the cleaning fork frame 13 are cleaned, so that the tube blank cleaned by the cleaning fork frame 13 is separated from the electric heating wire 7. The longitudinal slide bar 16 is sleeved with a return spring 21, the upper end of the return spring 21 is fixedly connected with the upper end of the longitudinal slide bar 16, and the lower end of the return spring 21 is abutted against the side pedestal 15. The return spring 21 is sleeved on the longitudinal slide bar 16, so that the longitudinal slide bar 16 is pulled by the return spring 21 to have a downward movement tendency, and the longitudinal slide bar 16 is pulled by the return spring 21 to move downward, so that the tube blanks separated to two sides of the heating wire 7 are cleaned.

The cleaning brush frame 17 is far away from the first bevel gear 11 one side fixedly connected with direction lug 20, the side wall of the blow molding machine frame 1 is provided with a limit foundation pile 18 near the cleaning brush frame 17, the lower end of the limit foundation pile 18 is fixedly connected with the slitting frame 6, an arc-shaped slide way 19 is arranged at the upper end of the limit foundation pile 18, and the direction lug 20 is attached to the arc-shaped slide way 19 on the limit foundation pile 18 and slides. The limiting foundation piles 18 are used for driving the cleaning brush holder 17 to longitudinally move, namely the limiting foundation piles 18 arranged on the side edge of the cleaning brush holder 17 are used for driving the guide convex blocks 20 on the side edge of the cleaning brush holder 17 to slide through the arc-shaped slide ways 19 on the upper side when the limiting foundation piles 18 move along with the cutting frame 6, and further driving the cleaning brush holder 17 to slide on the side edge of the electric heating wire 7 to clean pipe blanks adhered to the electric heating wire 7.

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

referring to fig. 4, after the hydraulic rod 5 drives the heating wire 7 on the cutting frame 6 to move transversely to cut the tube blank, when the cutting frame 6 finishes cutting and moves to a side close to the rear extension frame 4, the linking rack 14 on the cutting frame 6 drives the transfer shaft rod 9 to rotate clockwise through meshing action, so that the first bevel gears 11 on both sides are driven by the transfer shaft rod 9 from the transfer gear 10, the second bevel gears 12 and the cleaning fork frame 13 are driven to rotate coaxially through the meshing action of the first bevel gears 11 and the second bevel gears 12, when the cleaning fork frame 13 slides along both sides of the heating wire 7, the tube blank adhered to the heating wire 7 is shifted to both sides, and the tube blank adhered to the edge of the heating wire 7 is pushed to separate from the heating wire 7 when the cleaning brush frame 17 moves downwards, thereby cleaning the tube blank adhered to the heating wire 7 and reducing the influence of the tube blank on the cutting efficiency of the heating wire 7, the port quality of the cut tube blank 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

1. The utility model provides a pipe slitting equipment for blowing, includes blowing frame (1), two extruded pipe (2) of blowing frame (1) front end fixedly connected with, two extruded pipe (2) lower extreme fixedly connected with ejection of compact mouth of pipe (3), frame (4) are prolonged behind blowing frame (1) rear end fixedly connected with, frame (4) are prolonged after and keep away from blowing frame (1) one end fixedly connected with hydraulic stem (5), hydraulic stem (5) work end fixedly connected with divides and cuts frame (6), divide and cut frame (6) and keep away from hydraulic stem (5) one end fixedly connected with and be used for cutting heating wire (7) of pipe, its characterized in that: a cleaning mechanism is arranged on one side, close to the extrusion molding pipe (2), of the rear extension frame (4), the cleaning mechanism is fixedly arranged in the middle of the blow molding frame (1), the cleaning mechanism is positioned between the cutting frame (6) and the electric heating wire (7), and the cleaning mechanism comprises a middle shaft frame (8), a swinging rotating frame and a linkage toothed bar (14);

the middle shaft bracket (8) is fixedly arranged at one side of the middle part of the blow molding machine frame (1) close to the discharge pipe orifice (3), the lower end of the middle shaft bracket (8) is rotatably connected with a transfer shaft rod (9), the middle part of the transfer shaft rod (9) is sleeved with a driven transfer gear (10), and two ends of the transfer shaft rod (9) are respectively and fixedly connected with a first bevel gear (11);

the device comprises two swing rotating frames, wherein the two swing rotating frames are respectively arranged on one side, away from each other, of two first bevel gears (11), the upper ends of the swing rotating frames are rotatably connected with the inner wall of a blow molding machine frame (1), the middle parts of the swing rotating frames are sleeved with second bevel gears (12), the second bevel gears (12) are meshed with the first bevel gears (11) and connected, the lower ends of the second bevel gears (12) are fixedly connected with cleaning fork frames (13), and the cleaning fork frames (13) are attached to electric heating wires (7) in a sliding manner;

the linkage toothed bar (14) is arranged on the upper side of the middle part of the transfer shaft rod (9), one end, far away from the electric heating wire (7), of the linkage toothed bar (14) is fixedly connected with the cutting frame (6), and the linkage toothed bar (14) is meshed with the driven transfer gear (10).

2. A tube blank slitting device for blow molding according to claim 1, characterized in that: the cleaning fork frame (13) is internally provided with a metal bristle layer which slides along the electric heating wire (7).

3. A tube blank slitting device for blow molding according to claim 1, characterized in that: the middle shaft brackets (8) are arranged into two groups, the middle shaft rods (9) are rotatably connected with the two middle shaft brackets (8), the two middle shaft brackets (8) are respectively arranged on two sides of the driven rotating gear (10), and the upper ends of the two middle shaft brackets (8) are fixedly connected with the inner wall of the blow molding machine frame (1).

4. A tube blank slitting device for blow molding according to claim 3, characterized in that: the transfer shaft lever (9) is sleeved with two ball bearings, the inner wall of each ball bearing is fixedly connected with the transfer shaft lever (9), the outer wall of each ball bearing is fixedly connected with the middle shaft bracket (8), and the transfer shaft lever (9) is rotatably connected with the middle shaft bracket (8) through the ball bearings.

5. A tube blank slitting device for blow molding according to claim 1, characterized in that: two one side of keeping away from each other of first bevel gear (11) is equipped with the dross removal mechanism, the dross removal mechanism includes side bed frame (15) and moves slide bar (16) indulgedly, side bed frame (15) fixed connection is on blow molding frame (1) inboard lateral wall, move slide bar (16) sliding connection indulge in side bed frame (15), move slide bar (16) lower extreme fixedly connected with cleaning brush frame (17) indulge.

6. A tube blank slitting device for blow molding according to claim 5, characterized in that: the longitudinal moving slide rod (16) is sleeved with a return spring (21), the upper end of the return spring (21) is fixedly connected with the upper end of the longitudinal moving slide rod (16), and the lower end of the return spring (21) is abutted to the side base frame (15).

7. A tube blank slitting device for blow molding according to claim 5, characterized in that: the cleaning brush frame (17) is far away from one side of the first bevel gear (11) and is fixedly connected with a guide convex block (20), a position limiting foundation pile (18) is arranged at the position, close to the cleaning brush frame (17), of the side wall of the blow molding machine frame (1), the lower end of the limiting foundation pile (18) is fixedly connected with the cutting frame (6), an arc-shaped slide way (19) is formed in the upper end of the limiting foundation pile (18), and the guide convex block (20) is attached to the arc-shaped slide way (19) on the limiting foundation pile (18) and slides.