CN219133208U - Blow molding machine forming die convenient to drawing of patterns - Google Patents

Abstract

The utility model provides a molding die of a blow molding machine convenient for demolding, which relates to the field of blow molding processing equipment and comprises two fixing tables, wherein blow molding cylinders are arranged on the fixing tables in a right-facing manner, the blow molding cylinders are connected with a die, connecting plates are symmetrically arranged on the die, clamping cylinders are arranged on the connecting plates in a right-facing manner, the clamping cylinders are connected with clamping plates, a laser sensor is arranged on one connecting plate, and the laser sensor is positioned above the clamping plates; this device presss from both sides tightly the leftover bits and pieces of blowing spare, accompanies the die sinking flow and can realize the swift drawing of patterns of blowing spare, can not directly act on blowing spare itself in the drawing of patterns process, avoids the ejecting blowing spare of direct drive roof to cause the problem of blowing spare surface deformation among the prior art.

Description

Blow molding machine forming die convenient to drawing of patterns

Technical Field

The utility model relates to the field of blow molding equipment, in particular to a blow molding machine forming die convenient to demolding.

Background

The plastic blow molding process includes extruding thermoplastic resin to obtain tubular plastic parison, hot setting in opposite mold, closing mold, introducing compressed air to blow the parison to form the parison, cooling and demolding to obtain various hollow products.

Bulletin number CN214214721U provides a blowing machine convenient to drawing of patterns, and the device includes the mounting bracket, and the top sliding connection of mounting bracket has the feed cylinder, and the equal fixedly connected with second hydraulic cylinder of inner wall about the mounting bracket, the equal fixedly connected with die cavity of output of two second hydraulic cylinders, all evenly offered a plurality of roof holes on the inner wall of two die cavities. According to the blow molding machine convenient to demolding, the thermal fluid plastic is extruded through the charging barrel, then the two die cavities are clamped, a cavity is formed in the two die cavities after the die clamping, the thermal fluid plastic is blown and expanded in the cavity, the cooling speed of the die cavities is enhanced by the cooling holes, after the thermal fluid plastic is fixedly molded, the two die cavities are opened, and then the first hydraulic cylinder is started to drive the top plate to reset, so that the demolding is smoother by gradually reducing the contact area between the die cavities and the die; however, in the process of opening the mold, the blow molding part is not completely cooled, and the blow molding part is extruded by directly using the second hydraulic cylinder to drive the top plate, so that the problem of deformation of the blow molding part can be caused.

Disclosure of Invention

The utility model aims to solve the problems in the background art, and further provides a molding die of a blow molding machine, which is convenient for demolding.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides a blowing machine forming die convenient to drawing of patterns, includes two fixed stations, just is provided with the blowing cylinder on the fixed station, and the blowing cylinder is connected with the mould, and the symmetry is provided with the connecting plate on the mould, just is provided with the clamp cylinder on the connecting plate, and the clamp cylinder is connected with the clamp plate, is provided with laser sensor on one of them connecting plate, and laser sensor is in the clamp plate top.

This device presss from both sides tightly the leftover bits and pieces of blowing spare, accompanies the die sinking flow and can realize the swift drawing of patterns of blowing spare, can not directly act on blowing spare itself in the drawing of patterns process, avoids the ejecting blowing spare of direct drive roof to cause the problem of blowing spare surface deformation among the prior art.

Further, one of the dies is provided with a mounting plate, the mounting plate is provided with a driving assembly, the driving assembly is provided with a clamping cylinder, and the clamping cylinder is connected with a clamping jaw.

According to the scheme, the clamping jaw moves to the lower side of one side of the injection nozzle through the driving assembly, the blow molding piece is automatically transferred to the next place for processing by means of the telescopic matching of the clamping jaw of the clamping cylinder, and the clamping cylinder immediately releases clamping of the residual material at the lower end of the blow molding piece after the clamping jaw is clamped, so that an automatic transfer process is not hindered.

Further, be provided with the water injection hole on the mould, the inside water-cooling chamber that is provided with of mould, water-cooling chamber intercommunication water injection hole, water injection hole is connected with the water pump through the hose.

According to the scheme, the water pump pumps cold water and then injects the cold water into the water cooling cavity of the die, and the die can be cooled by water at the moment, so that the demolding effect of the blow molding piece is effectively improved.

Further, the drive assembly includes slide rail, slider, motor, lead screw and fixed plate, is provided with motor, slide rail and fixed plate on the mounting panel, and the motor is connected with the lead screw, and the one end and the fixed plate rotation of lead screw are connected, threaded connection has the slider with slide rail sliding fit on the lead screw.

According to the scheme, the automatic directional transfer of the blow molding piece is realized by using the driving assembly, so that the labor intensity of manually transferring the blow molding piece can be reduced.

Further, the clamping jaw adopts a parallel clamping jaw.

Further, the laser sensor and the clamping cylinder are electrically connected with the controller.

Compared with the prior art, the utility model has the beneficial effects that:

the device utilizes the cooperation of laser sensor, press from both sides tight cylinder and clamping plate to press from both sides tight the leftover bits and pieces of blowing spare, the one end of raw materials is closed after pressing from both sides tight, immediately two blowing cylinders simultaneous movement drive mould closures, the raw materials begin the cooling and closely laminate with the die cavity of mould this moment, after blowing process is accomplished, carry out the mould opening flow this moment, two moulds simultaneously to both sides motion, but the shrink pole of pressing from both sides tight cylinder continues to extend this moment, the one end that blowing spare is in the mouth keeps motionless, realize the convenient drawing of patterns flow of blowing spare immediately, compare in the drawing of patterns in-process of blowing spare can not directly act on blowing spare itself, avoid the ejecting blowing spare of roof to cause the problem of blowing spare surface deformation among the prior art.

Drawings

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

FIG. 2 is a schematic view of the installation of the jaws;

FIG. 3 is a schematic view of a water injection hole;

reference numerals:

1. a fixed table; 11. a blow molding cylinder; 12. a mold; 13. a connecting plate; 14. a clamping cylinder; 15. a clamping plate; 16. a laser sensor; 2. a nozzle; 31. a mounting plate; 32. a slide rail; 33. a slide block; 34. a motor; 35. a screw rod; 36. a clamping cylinder; 37. a clamping jaw; 41. and water injection holes.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model. The utility model will be further described with reference to the accompanying drawings and examples:

as shown in fig. 1, a molding die of a blow molding machine convenient for demolding comprises two fixing tables 1 and a nozzle 2, wherein two blow molding cylinders 11 are arranged on the fixing tables 1 in a right opposite mode, the blow molding cylinders 11 are connected with a die 12, raw materials flow out of the nozzle 2 at first, blow molding of the raw materials is realized by opening and closing of the die 12, two connecting plates 13 are symmetrically arranged on the die 12, clamping cylinders 14 are arranged on the connecting plates 13 in a right opposite mode, the clamping cylinders 14 are connected with clamping plates 15, a laser sensor 16 is arranged on one connecting plate 13, the laser sensor 16 is arranged above the clamping plates 15, the laser sensor 16 and the clamping cylinders 14 are electrically connected with a controller, and the controller is not shown in the figure.

The working flow of the utility model is as follows:

firstly, raw materials flow out from the injection nozzle 2, then slowly move downwards, after the laser sensor 16 detects that the raw materials pass through, signals are fed back to the controller at the moment, the controller feeds back signals to the clamping cylinders 14, then the two clamping cylinders 14 simultaneously move to drive the clamping plates 15 to clamp one end of the raw materials, at the moment, one end of the raw materials is closed, then the two blowing cylinders 11 simultaneously move to drive the mould 12 to be closed, the raw materials begin to cool and are tightly attached to the cavity of the mould 12 at the moment, after the blowing process is finished, a mould opening process is carried out, the two moulds 12 simultaneously move towards two sides, at the moment, the shrinkage rod of the clamping cylinders 14 continues to stretch, one end of the blowing piece in the injection nozzle 2 is kept motionless, then convenient demoulding of the blowing piece is realized, as the part clamped by the two clamping plates 15 belongs to the corner residual materials of the blowing piece, the blowing piece can not deform, compared with the prior art, the fast demoulding of the blowing piece can be realized along with the mould opening process, the problem that in the prior art, the surface deformation of the blowing piece is caused by directly driving the top plate in the demoulding process is avoided.

In some embodiments, as shown in fig. 2, one of the molds 12 is provided with a mounting plate 31, the mounting plate 31 is provided with a driving assembly, the driving assembly is provided with a clamping cylinder 36, the clamping cylinder 36 is connected with a clamping jaw 37, and the clamping jaw 37 adopts parallel clamping jaws; when the die 12 is demolded, the driving assembly drives the clamping jaw 37 to move to the lower side of one side of the injection nozzle 2, then the clamping cylinder 36 stretches and is close to the upper end residual material of the blow molding piece, at the moment, the clamping jaw 37 moves to clamp the upper end residual material of the blow molding piece, then the two clamping cylinders 14 begin to shrink to not clamp the lower end residual material of the blow molding piece, then the blow molding piece is separated from the injection nozzle 2 to realize automatic transfer, and after the blow molding piece is transferred to the next place, the automatic blanking begins to carry out the next processing flow, so that the labor intensity of manually transferring the blow molding piece can be reduced.

In some embodiments, as shown in fig. 3, a water injection hole 41 is provided on the mold 12, a water cooling cavity is provided inside the mold 12, the water cooling cavity is not shown in the figure, the water cooling cavity is communicated with the water injection hole 41, the water injection hole 41 is connected with a water pump through a hose, the water pump is connected with a cooling tower, the water pump and the cooling tower are not shown in the figure, cold water is extracted from the cooling tower through the water pump and then injected into the water cooling cavity of the mold 12, and at this time, the mold 12 can be cooled by water, so that the demolding effect of the blow molding piece is effectively improved.

In order to realize automatic transfer of the blow molding part, as shown in fig. 2 and 3, the scheme is further refined, the driving assembly comprises a sliding rail 32, a sliding block 33, a motor 34, a lead screw 35 and a fixed plate, the motor 34, the sliding rail 32 and the fixed plate are arranged on the mounting plate 31, the fixed plate is not shown in the figure, the lead screw 35 is connected with the motor 34, one end of the lead screw 35 is rotationally connected with the fixed plate through a bearing, and the sliding block 33 which is in sliding fit with the sliding rail 32 is connected with the lead screw 35 through threads; the motor 34 works to drive the screw rod 35 to rotate, the screw rod 35 rotates to realize the directional reciprocating motion of the sliding block 33 along the sliding rail 32, and finally, the automatic directional transfer of the blow molding piece is realized after the upper end excess material of the blow molding piece is clamped by the parallel clamping jaws.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the foregoing examples, and that the foregoing description and description are merely illustrative of the principles of this utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a blowing machine forming die convenient to drawing of patterns, a serial communication port, including two fixed stations (1), just be provided with blowing cylinder (11) on fixed station (1), blowing cylinder (11) are connected with mould (12), the symmetry is provided with connecting plate (13) on mould (12), just be provided with clamping cylinder (14) on connecting plate (13), clamping cylinder (14) are connected with clamping plate (15), be provided with laser sensor (16) on one of them connecting plate (13), laser sensor (16) are in clamping plate (15) top.

2. A blow moulding machine moulding mould according to claim 1, wherein one of the moulds (12) is provided with a mounting plate (31), the mounting plate (31) is provided with a drive assembly, the drive assembly is provided with a clamping cylinder (36), and the clamping cylinder (36) is connected with clamping jaws (37).

3. The blow molding machine forming mold convenient for demolding according to claim 1, wherein a water injection hole (41) is formed in the mold (12), a water cooling cavity is formed in the mold (12), the water cooling cavity is communicated with the water injection hole (41), and the water injection hole (41) is connected with a water pump through a hose.

4. The blow molding machine forming die convenient to demolding according to claim 2, wherein the driving assembly comprises a sliding rail (32), a sliding block (33), a motor (34), a lead screw (35) and a fixing plate, the motor (34), the sliding rail (32) and the fixing plate are arranged on the mounting plate (31), the lead screw (35) is connected to the motor (34), one end of the lead screw (35) is rotationally connected with the fixing plate, and the sliding block (33) which is in sliding fit with the sliding rail (32) is connected to the lead screw (35) in a threaded manner.

5. A blow molding machine mold according to claim 2, wherein said clamping jaws (37) are parallel clamping jaws.

6. A blow molding machine forming die facilitating demolding according to claim 1, wherein the laser sensor (16) and the clamping cylinder (14) are electrically connected to the controller.

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