CN217834692U

CN217834692U - Flash cutting structure for blow molding die

Info

Publication number: CN217834692U
Application number: CN202221531728.3U
Authority: CN
Inventors: 张绘林
Original assignee: Zhangjiagang Ruixin Precision Mould Co ltd
Current assignee: Zhangjiagang Ruixin Precision Mould Co ltd
Priority date: 2022-06-20
Filing date: 2022-06-20
Publication date: 2022-11-18
Anticipated expiration: 2032-06-20

Abstract

The utility model relates to a blow mold technical field, concretely relates to overlap cutting structure for blow mold, including the bottom plate, its characterized in that, the top surface of bottom plate is fixed with the guide rail, the top sliding connection of guide rail has the support column, one side of support column is fixed with anchor clamps, the top and the bottom of anchor clamps are provided with cutting piece one and cutting piece two respectively, be provided with the driving piece that is used for driving cutting piece one and cutting piece two functions between cutting piece one and the cutting piece two. The utility model discloses in, it takes the gear revolve to make a rack tooth area L shape pole to the direction removal of plastic bottle through the motor four times, thereby make the cutting piece on the cutting piece one cut away the unnecessary overlap of bottleneck, two areas of rack tooth are the connecting rod rebound, thereby make the annular die cutter on the cutting piece two cut away the outlying overlap in plastic bottle bottom, save the manual work and get rid of the overlap, improved the overlap and got rid of the effect, and the overlap of bottleneck and bottle bottom is got rid of simultaneously, be favorable to improving the efficiency that the overlap was got rid of.

Description

Flash cutting structure for blow molding die

Technical Field

The utility model relates to a blow mold technical field, concretely relates to overlap cutting structure for blow mold.

Background

After a plastic melt is extruded and molded from a parting surface of a mold, a protruding useless sheet can be generated at the edge of a plastic product, the sheet is also called as flash and flash, during the process of manufacturing a plastic bottle by using a blow molding mold, the flash generally exists at the bottle mouth and the bottle bottom edge of the plastic bottle, the flash on the bottle is scraped by using a cutter in the traditional flash removing process, the labor input in the flash removing process is large, the flash removing effect is poor, and sometimes the cutter damages other positions except the bottle flash and influences the product quality.

SUMMERY OF THE UTILITY MODEL

In order to overcome foretell technical problem, an object of the utility model is to provide a burr cutting structure for blow mold, it takes L shape pole to the direction removal of plastic bottle to make L shape pole take the cutting member to move earlier on the bottleneck direction of plastic bottle to take gear rotation through the motor four times, cutting piece on the cutting member cuts away the unnecessary burr of bottleneck, two strip teeth take the connecting rod rebound simultaneously, thereby make the connecting rod take the cutting member to move to the bottle bottom of two-way plastic bottle, the annular die cutter on the cutting member two cuts away the outlying burr in plastic bottle bottom, save the manual work and get rid of the burr, the effect is got rid of to the burr has been improved, and the burr of bottleneck and bottle bottom is got rid of simultaneously, be favorable to improving the efficiency that the burr was got rid of.

The purpose of the utility model can be realized by the following technical scheme:

a flash cutting structure for a blow mold comprises a bottom plate fixedly connected with the bottom of blow mold equipment, and is characterized in that a guide rail is fixed on the top surface of the bottom plate, a support column is slidably connected to the top of the guide rail, a clamp is fixed on one side of the support column, a first cutting part and a second cutting part are respectively arranged at the top and the bottom of the clamp, a driving part for driving the first cutting part and the second cutting part to operate is arranged between the first cutting part and the second cutting part, the first cutting part comprises a first cross beam, a plurality of connecting shafts are rotatably connected to the first cross beam, cutting pieces are fixed on the bottom surface of the connecting shafts, the second cutting part comprises a second cross beam and a supporting plate fixedly connected with the blow mold equipment, the top surface of the cross beam II is fixed with a plurality of Contraband-shaped frames, the top of the Contraband-shaped frame is fixed with an annular punching knife, the rack teeth I drive the L-shaped rod to move towards the plastic bottle through the rotation of the motor four with gears, so that the L-shaped rod drives the cutting piece to move towards the bottle opening of the plastic bottle, the cutting piece on the cutting piece I cuts off redundant flash at the bottle opening, meanwhile, the rack teeth II drive the connecting rod to move upwards, so that the connecting rod drives the cutting piece to move towards the bottom of the plastic bottle, the annular punching knife on the cutting piece II cuts off the peripheral flash at the bottom of the plastic bottle, manual flash removal is omitted, the flash removal effect is improved, the bottle opening and the flash at the bottom are removed simultaneously, and the flash removal efficiency is improved.

Further, the method comprises the following steps: the driving piece comprises a case four, the bottom surface of the case four is fixed with a connecting column one fixedly connected with the bottom plate, the top surface of the case four is fixed with a connecting column two, a motor four is fixed inside the case four, the output end of the motor four is fixed with a gear, a first rack tooth and a second rack tooth are in meshing transmission on the outer side wall of the gear, the motor four drives the gear to rotate, the first rack tooth and the second rack tooth which are in gear meshing transmission are enabled to move, and therefore the first cutting piece and the second cutting piece can cut off the flash of the plastic bottle simultaneously.

Further, the method comprises the following steps: one end of the top surface of the first rack is fixedly provided with an L-shaped rod fixedly connected with the first cross beam, the top surface of the second connecting column is fixedly provided with a Contraband shaped plate in sliding connection with the L-shaped rod, and the L-shaped rod slides on the v-21274shaped plate to realize a stable moving position of the L-shaped rod with the cutting element.

Further, the method comprises the following steps: the outer side of the second rack is fixedly provided with a connecting rod fixedly connected with the second beam, the outer side of the first connecting column is fixedly provided with a guide plate in sliding connection with the second rack, and the second rack slides on the guide plate to drive the second rack to drive a stable moving position of the second cutting piece through the connecting rod.

Further, the method comprises the following steps: the top surface of the first cross beam is fixed with a plurality of third machine cases at equal intervals, the inside of each third machine case is fixed with a third motor, and the output end of each third motor is fixedly connected with a connecting shaft at a corresponding position, so that the third motors drive the connecting shafts to rotate to enable the cutting blades to rotate to cut redundant plastic of the bottle opening until the cutting blades cut off all the plastic of the bottle opening.

Further, the method comprises the following steps: the top surface of the supporting plate is provided with a plurality of round holes at equal intervals, the inner side of the Contraband-shaped frame is in sliding connection with the outer sides of two long edges of the supporting plate, and the round holes are convenient for finished plastic bottles to fall rapidly through the supporting plate.

The method is further characterized in that: the top of the guide rail is rotatably connected with a screw rod which is rotatably connected with the support column, the top surface of the bottom plate is fixedly provided with a first case, and a first motor for driving the screw rod to rotate is fixedly arranged in the first case, so that the screw rod drives the support column to move on the bottom plate.

Further, the method comprises the following steps: the clamp comprises a rectangular frame, a bidirectional screw is connected to the inside of the rectangular frame in a rotating mode, a second case is fixed to one end of the rectangular frame, a second motor used for driving the bidirectional screw to rotate is fixed to the inside of the second case, two clamping plates which are symmetrically distributed are connected to the outer side wall of the bidirectional screw in a rotating mode, and the clamping plates are connected with the rectangular frame in a sliding mode, so that two clamping plates can clamp and fix the plastic bottle, the plastic bottle can be conveniently removed from flash, and the plastic bottle can be conveniently moved through a support column.

The utility model has the advantages that:

1. the motor rotates with the gear to enable the first rack teeth to drive the L-shaped rod to move towards the direction of the plastic bottle, so that the L-shaped rod drives the cutting piece to move towards the direction of the bottle opening of the plastic bottle, redundant flashes of the bottle opening are cut off by the cutting piece on the first cutting piece, meanwhile, the second rack teeth drive the connecting rod to move upwards, the connecting rod drives the cutting piece to move towards the bottom of the plastic bottle, the flashes on the periphery of the bottom of the plastic bottle are cut off by the annular punching knife on the second cutting piece, manual removal of the flashes is omitted, the flash removal effect is improved, the flashes of the bottle opening and the bottle bottom are removed simultaneously, and the flash removal efficiency is improved;

2. the support column moves along the screw rod through the rotation of the screw rod, so that the support column drives the clamp to move into the expanded blow molding mold, the two clamp plates are driven by the bidirectional screw rod to open and close, a plurality of blow molding extrusion-molded plastic bottles are conveniently clamped and fixed, the plastic bottles are moved out along with the movement of the support column, manual bottle taking is omitted, and the plastic bottles are conveniently clamped to assist in removing flash;

3. through having seted up a plurality of round holes at the top surface of layer board, after the plastic bottle overlap was got rid of, rotate through the screw rod and drive the support column and remove the plastic bottle and move the top that the round hole in corresponding position, one of them plastic bottle moves the layer board and is close to the one end of support column, and two splint deviate from the removal after that, realize releasing a plurality of finished product plastic bottles.

Drawings

The present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of the whole structure of the blow mold of the present invention;

FIG. 2 is a schematic view of the structure of the clamp of the present invention;

FIG. 3 is a schematic structural view of a driving member of the present invention;

FIG. 4 is a schematic view of a cutting member according to the present invention;

fig. 5 is a schematic structural view of the middle cutting member of the present invention.

In the figure: 100. a base plate; 110. a guide rail; 111. a screw; 120. a first case; 200. a support pillar; 300. a clamp; 310. a rectangular frame; 320. a bidirectional lead screw; 330. a second case; 340. a splint; 400. cutting a first part; 410. a first cross beam; 420. a connecting shaft; 421. cutting the slices; 430. a third case; 500. cutting a second workpiece; 510. a second cross beam; 520. a support plate; 521. a circular hole; 530. contraband form; 531. an annular punching cutter; 600. a drive member; 610. a fourth case; 611. a gear; 620. connecting a column I; 621. a guide plate; 630. connecting a second column; 640. a rack gear I; 641. an L-shaped rod; 650. a rack gear II; 651. a connecting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-5, a flash cutting structure for a blow mold comprises a bottom plate 100 fixedly connected to the bottom of a blow mold device, a guide rail 110 is fixed to the top surface of the bottom plate 100, a support pillar 200 is slidably connected to the top of the guide rail 110, a clamp 300 is fixed to one side of the support pillar 200, a first cutting element 400 and a second cutting element 500 are respectively arranged at the top and the bottom of the clamp 300, a driving element 600 for driving the first cutting element 400 and the second cutting element 500 to operate is arranged between the first cutting element 400 and the second cutting element 500, the first cutting element 400 comprises a first cross beam 410, a plurality of connecting shafts 420 are rotatably connected to the first cross beam 410, a cutting piece 421 is fixed to the bottom surface of the connecting shafts 420, and the second cutting element 500 comprises a second cross beam 510 and a support plate 520 fixedly connected to the blow mold device, the top surface of the beam II 510 is fixedly provided with a plurality of Contraband-shaped frames 530, 21274, the top of each of the annular frames 530 is fixedly provided with an annular punching knife 531, the motor rotates around the gear 611 to enable the first rack 640 to drive the L-shaped rod 641 to move towards the direction of the plastic bottle, so that the L-shaped rod 641 drives the first cutting piece 400 to move towards the bottle opening of the plastic bottle, the cutting piece 421 on the first cutting piece 400 cuts off redundant flash at the bottle opening, meanwhile, the second rack 650 drives the connecting rod 651 to move upwards, the connecting rod 651 drives the second cutting piece 500 to move towards the bottle bottom of the plastic bottle, the annular punching knife 531 on the second cutting piece 500 removes the flash at the periphery of the bottom of the plastic bottle, manual flash removal is omitted, flash removal effect is improved, the flash at the same time of the bottle opening and the flash at the bottle bottom is removed, and the flash removal efficiency is improved.

The driving piece 600 comprises a case four 610, a connection column one 620 fixedly connected with the bottom plate 100 is fixed on the bottom surface of the case four 610, a connection column two 630 is fixed on the top surface of the case four 610, a motor four is fixed inside the case four 610, a gear 611 is fixed on the output end of the motor four, a first rack tooth 640 and a second rack tooth 650 are in meshing transmission on the outer side wall of the gear 611, the motor four drives the gear 611 to rotate, and the first rack tooth 640 and the second rack tooth 650 which are in meshing transmission with the gear 611 move, so that the first cutting piece 400 and the second cutting piece 500 can simultaneously cut off the flash of the plastic bottle; one end of the top surface of the first rack 640 is fixedly provided with an L-shaped rod 641 fixedly connected with the first cross beam 410, the top surface of the second connecting column 630 is fixedly provided with a Contraband shaped plate slidably connected with the L-shaped rod 641, and the L-shaped rod 641 slides on the V-shaped plate to realize the stable moving position of the L-shaped rod 641 with the first cutting element 400; a connecting rod 651 fixedly connected with the second beam 510 is fixed on the outer side of the second rack 650, a guide plate 621 in sliding connection with the second rack 650 is fixed on the outer side of the first connecting column 620, and the second rack 650 slides on the guide plate 621 to enable the second rack 650 to carry the second cutter 500 to a stable moving position through the connecting rod 651.

A plurality of case III 430 are fixed on the top surface of the first cross beam 410 at equal intervals, a motor III is fixed inside the case III 430, and the output end of the motor III is fixedly connected with a connecting shaft 420 at a corresponding position, so that the motor III drives the connecting shaft 420 to rotate, the cutting blade 421 rotates to cut redundant plastic at the bottle mouth until the plastic at the bottle mouth is completely cut off by the cutting blade 421; the top surface of the supporting plate 520 is provided with a plurality of round holes 521, 21274at equal intervals, the inner side of the shape frame 530 is connected with the outer sides of two long sides of the supporting plate 520 in a sliding way, and the round holes 521 are convenient for finished plastic bottles to fall quickly through the supporting plate 520; the top of the guide rail 110 is rotatably connected with a screw 111 which is rotatably connected with the support column 200, the top surface of the base plate 100 is fixed with a first case 120, and a first motor for driving the screw 111 to rotate is fixed inside the first case 120, so that the screw 111 drives the support column 200 to move on the base plate 100.

Anchor clamps 300 include rectangular frame 310, rectangular frame 310 is inside to be rotated and is connected with two-way lead screw 320, rectangular frame 310's one end is fixed with two machine casees 330, the inside of two machine casees 330 is fixed with and is used for driving two-way lead screw 320 pivoted motor two, two-way lead screw 320's lateral wall closes soon and is connected with the splint 340 of two symmetric distributions, splint 340 and rectangular frame 310 sliding connection, thereby make two splint 340 can the fixed plastic bottle of centre gripping, be convenient for the plastic bottle get rid of the overlap, also be convenient for take the plastic bottle shift position through support column 200.

The working principle is as follows: when the plastic bottle mold is used, a discharge pipe of a blow mold releases raw materials of plastic melt, then the two molds clamp the plastic melt mutually, the plastic melt is blow molded in the molds, then the two molds are opened, at the moment, a motor drives a screw 111 to rotate to enable a supporting column 200 to move towards the direction of the molds, two clamping plates 340 on a clamp 300 move between the two molds and are positioned at the outer sides of a plurality of plastic bottles, a motor drives a bidirectional screw 320 to rotate to enable the two clamping plates 340 to move close to each other, arc notches arranged oppositely on the two clamping plates 340 are matched to clamp and fix the plastic bottles, then, the motor drives the screw 111 to rotate reversely to enable the supporting column 200 to drive the clamp 300 and the plurality of plastic bottles to move out of the molds, at the moment, referring to the description of figure 1, then the motor drives a gear 611 to rotate to enable a rack tooth 640 to drive an L-shaped rod 641 to move towards the plastic bottles, so that the L-shaped rod 641 drives the first cutting element 400 to move towards the mouth of the plastic bottle, the third motor on the first cutting element 400 drives the cutting piece 421 to rotate to cut off the redundant flash at the mouth of the plastic bottle, meanwhile, the second rack 650 drives the connecting rod 651 to move upwards, so that the connecting rod 651 drives the second cutting element 500 to move towards the bottom of the plastic bottle, the annular punching knife 531 on the second cutting element 500 cuts off the flash at the periphery of the bottom of the plastic bottle, at the moment, the second beam 510 drives the Contraband rack 530 to slide on the supporting plate 520, after the flash is cut off, the fourth motor drives the gear 611 to rotate in reverse direction, so that the first cutting element 400 and the second cutting element 500 return to the initial position, finally, the screw 111 rotates again to move the supporting column 200, so that the clamp 300 moves the plastic bottle above the circular hole 521 at the corresponding position on the supporting plate 520, one plastic bottle supporting plate 520 is close to one end of the supporting column 200, and then the bidirectional screw 320 rotates to move the two clamping plates 340 away from each other, the blanking of a plurality of finished plastic bottles through the supporting plate 520 is completed.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is illustrative and explanatory only, and it is intended that all such modifications, additions and substitutions as would be apparent to one skilled in the art to the specific embodiments described are within the scope of the invention as claimed.

Claims

1. A flash cutting structure for a blow mold comprises a bottom plate (100) fixedly connected with the bottom of blow mold equipment, and is characterized in that a guide rail (110) is fixed on the top surface of the bottom plate (100), a support column (200) is slidably connected to the top of the guide rail (110), a clamp (300) is fixed on one side of the support column (200), a first cutting piece (400) and a second cutting piece (500) are respectively arranged at the top and the bottom of the clamp (300), and a driving piece (600) for driving the first cutting piece (400) and the second cutting piece (500) to operate is arranged between the first cutting piece (400) and the second cutting piece (500);

the cutting piece I (400) comprises a beam I (410), a plurality of connecting shafts (420) are connected to the beam I (410) in a rotating mode, cutting pieces (421) are fixed to the bottom surfaces of the connecting shafts (420), the cutting piece II (500) comprises a beam II (510) and a supporting plate (520) fixedly connected with blow molding die equipment, a plurality of Contraband shape frames (530) are fixed to the top surface of the beam II (510), and annular stamping knives (531) are fixed to the tops of the Contraband shape frames (530).

2. The flash cutting structure for the blow mold according to claim 1, wherein the driving member (600) comprises a case four (610), a connecting column one (620) fixedly connected with the bottom plate (100) is fixed on the bottom surface of the case four (610), a connecting column two (630) is fixed on the top surface of the case four (610), a motor four is fixed inside the case four (610), a gear (611) is fixed on the output end of the motor four, and a rack tooth one (640) and a rack tooth two (650) are engaged and driven on the outer side wall of the gear (611).

3. The flash cutting structure for blow molding dies according to claim 2, characterized in that an L-shaped rod (641) fixedly connected with the first cross beam (410) is fixed at one end of the top surface of the first rack (640), and a Contraband shaped plate slidably connected with the L-shaped rod (641) is fixed on the top surface of the second connecting column (630).

4. The flash cutting structure for a blow mold according to claim 2, wherein the outer side of the second rack (650) is fixed with a connecting rod (651) fixedly connected with the second cross beam (510), and the outer side of the first connecting rod (620) is fixed with a guide plate (621) slidably connected with the second rack (650).

5. The flash cutting structure for a blow mold according to claim 1, wherein a plurality of third boxes (430) are fixed on the top surface of the first beam (410) at equal intervals, a third motor is fixed inside the third boxes (430), and the output end of the third motor is fixedly connected with the connecting shaft (420) at the corresponding position.

6. The flash cutting structure for the blow mold according to claim 1, wherein the top surface of the supporting plate (520) is provided with a plurality of round holes (521) at equal intervals, and the inner side of the Contraband-shaped frame (530) is slidably connected with the outer sides of two long sides of the supporting plate (520).

7. The flash cutting structure for the blow mold according to claim 1, wherein the top of the guide rail (110) is rotatably connected with a screw (111) rotatably connected with the support pillar (200), the top surface of the base plate (100) is fixed with a first cabinet (120), and a first motor for driving the screw (111) to rotate is fixed inside the first cabinet (120).

8. The flash cutting structure for the blow mold according to claim 1, wherein the clamp (300) comprises a rectangular frame (310), a bidirectional screw (320) is rotatably connected inside the rectangular frame (310), a second chassis (330) is fixed at one end of the rectangular frame (310), a second motor for driving the bidirectional screw (320) to rotate is fixed inside the second chassis (330), two symmetrically distributed clamping plates (340) are rotatably connected to the outer side wall of the bidirectional screw (320), and the clamping plates (340) are slidably connected with the rectangular frame (310).