Plastic suction forming device for plastic part of draw-bar box
Technical Field
The utility model belongs to the technical field of the working of plastics technique of sucking moulding and specifically relates to a plastic uptake forming device for draw-bar box working of plastics.
Background
The draw-bar box is a luggage box with draw bars and rollers, is formed by plastic suction molding, is also called vacuum forming, is one of thermoplastic plastic thermoforming methods, and is characterized in that a sheet-shaped or plate-shaped material is clamped on a frame of a vacuum forming machine, is heated and softened, passes through an air channel at the edge of a mould, is adsorbed on the mould by vacuum, and is cooled for a short time to obtain a formed plastic product; the handle working of plastics that traditional draw-bar box was used utilizes the fashioned production and processing process of plastic uptake of softened platelike plastics, and the drawing of patterns is comparatively difficult after the handle working of plastics shaping, and platelike plastics centre gripping is difficult, is unfavorable for the plastic uptake shaping.
SUMMERY OF THE UTILITY MODEL
To the above circumstances, for overcoming prior art's defect, the utility model provides a plastic uptake forming device for draw-bar box working of plastics is used for solving above-mentioned problem.
In order to achieve the purpose, the utility model relates to a plastic uptake forming device for draw-bar box working of plastics, the test platform comprises a pedestal, the pedestal is fixed with the lower mould, the inside wall of lower mould is fixed with the plastic uptake board, the pedestal is fixed with solid fixed cylinder, gu fixed cylinder sliding connection has the block rubber, gu fixed cylinder is fixed with electric putter, electric putter with fixed connection between the block rubber, gu fixed cylinder with be fixed with the straw between the plastic uptake board, the pedestal rotates and is connected with the lead screw, lead screw threaded connection has the fixing base, the fixing base is fixed with the mould, the pedestal is fixed with the dead lever, the lateral wall of going up the mould is fixed with another the fixing base, the dead lever with sliding connection between the fixing base, it has two briquetting to go up mould sliding connection, the briquetting with be fixed with the spring between the last mould.
Preferably, the cross-section on the top of dead lever is cruciform structure, two the bottom of fixing base all is fixed with the clamping bar, two the clamping bar all rotates and is connected with the gyro wheel, the gyro wheel with roll connection between the lower mould.
Preferably, a pressing plate is fixed at the bottom end of the upper die, the pressing blocks are located at the top end of the lower die, and the pressing plate is located between the two pressing blocks.
Preferably, the cross section of the top end of the plastic suction plate is of a concave arc structure, the suction pipe is communicated with the lower die, and the cross section of the suction pipe is of an L-shaped structure.
Preferably, a motor is fixed at the bottom end of the pedestal, the lead screw is connected with the motor, a shaft seat is fixed on the pedestal, and the lead screw is rotatably connected with the shaft seat.
Has the advantages that:
1. the utility model discloses a place the top at the lower mould with the plate-shaped plastics that softens, work drives the lead screw and rotates for the fixing base moves down, moves down on the drive, makes two briquetting conflict plate-shaped plastics, goes up the mould and continues when moving down, makes the briquetting slide in the inside compression spring of mould, and the elasticity of spring makes the firm centre gripping plate-shaped plastics of briquetting, does benefit to plate-shaped plastics plastic uptake.
2. The utility model discloses the clamp of platelike plastics is when going up between mould and the lower mould for lower mould internal seal, electric putter work pulling block rubber slide and keep away from the straw, with the inside gas of lower mould by the straw suction fixed cylinder inside, at this moment platelike plastics's bottom pressure reduces, impresses platelike plastics into the lower mould inside and contradicts with the plastic uptake board through platelike plastics's top pressure, forms the handle working of plastics after making platelike plastics plastic uptake shaping cooling.
3. The utility model discloses a control motor drives lead screw antiport, makes the fixing base shift up, moves up the mould and shifts up and break away from the lower mould, can shift up fashioned platelike plastics at this moment and break away from the lower mould, accomplishes the drawing of patterns of handle working of plastics.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the state of the upper die and the lower die clamping the plate-shaped plastic according to the present invention.
Fig. 3 is a schematic view of the state of the plate-shaped plastic blister of the present invention.
In the figure: 1. the plastic mould comprises a pedestal, 2, a lower mould, 3, a plastic suction plate, 4, a suction pipe, 5, a fixing cylinder, 6, an electric push rod, 7, a rubber block, 8, an upper mould, 9, a fixing rod, 10, a fixing seat, 11, a screw rod, 12, a motor, 13, a pressing block, 14, a spring, 15, a clamping rod, 16, a roller, 17, a shaft seat, 18, a pressing plate, 19 and plate-shaped plastic.
Detailed Description
The following describes the present invention in further detail with reference to the accompanying fig. 1-3.
Given by figures 1-3, the utility model relates to a plastic uptake forming device for draw-bar box plastic part, including pedestal 1, pedestal 1 is fixed with lower mould 2, the inside wall of lower mould 2 is fixed with plastic uptake board 3, pedestal 1 is fixed with solid fixed cylinder 5, gu fixed cylinder 5 sliding connection has rubber 7, gu fixed cylinder 5 is fixed with electric putter 6, electric putter 6 and rubber 7 between the fixed connection, gu fixed cylinder 5 and plastic uptake board 3 between be fixed with straw 4, pedestal 1 rotates and is connected with lead screw 11, lead screw 11 threaded connection has fixing base 10, fixing base 10 is fixed with last mould 8, pedestal 1 is fixed with dead lever 9, the lateral wall of last mould 8 is fixed with another fixing base 10, sliding connection between dead lever 9 and fixing base 10, go up mould 8 sliding connection has two briquetting 13, be fixed with spring 14 between briquetting 13 and last mould 8; the softened platy plastic 19 is placed at the top end of the lower die 2, an external power switch of a motor 12 is turned on, a screw rod 11 is driven to rotate, a fixing seat 10 is driven to move downwards, an upper die 8 is driven to move downwards, two pressing blocks 13 are enabled to be abutted against the platy plastic, when the upper die 8 moves downwards continuously, the pressing blocks 13 slide into a compression spring 14 inside the upper die 8, at the moment, a pressing plate 18 is abutted against the platy plastic 19, the pressing blocks 13 are enabled to firmly clamp the platy plastic 19 by the elasticity of the spring 14, the plastic 19 is sucked into the fixing cylinder 5 by the platy plastic 19, when the platy plastic 19 is clamped between the upper die 8 and the lower die 2, the lower die 2 is sealed, at the moment, an external power supply of an electric push rod 6 is turned on, a rubber block 7 is pulled to slide away from a suction pipe 4, the gas inside the lower die 2 is sucked into the fixing cylinder 5 by the suction pipe 4, at the bottom end pressure of the platy plastic 19 is reduced, the platy plastic 19 is pressed into the inside of the lower die 2 to be abutted against the plastic 3 by the suction pipe 3, the plate-shaped plastic 19 is formed into a handle plastic part after plastic suction molding and cooling, the screw rod 11 is driven to rotate reversely by the control motor 12, the fixing seat 10 moves upwards to drive the upper die 8 to move upwards to be separated from the lower die 2, and the formed plate-shaped plastic 19 can move upwards to be separated from the lower die 2, so that the demoulding of the handle plastic part is completed.
As a technical optimization scheme, the cross-section on the top of dead lever 9 is cruciform structure, and the bottom of two fixing bases 10 all is fixed with clamping bar 15, and two clamping bar 15 all rotate and are connected with gyro wheel 16, and roll connection goes up 8 and reciprocates the in-process between gyro wheel 16 and the lower mould 2, makes one of them fixing base 10 slide from top to bottom in dead lever 9 outside for gyro wheel 16 rolls at 2 lateral walls of lower mould, does benefit to the firm reciprocating of last mould 8.
As the utility model discloses a technical optimization scheme, the bottom mounting of going up mould 8 has clamp plate 18, and briquetting 13 is located the top of lower mould 2, and clamp plate 18 is located between two briquetting 13, for compressing tightly platelike plastics 19, motor 12 auto-lock step motor.
As a technical optimization scheme of the utility model, the cross-section on the top of plastic uptake board 3 is recessed arc structure, and straw 4 intercommunication lower mould 2, the cross-section of straw 4 are L shape structure, in order to siphon away 2 inside gases of lower mould.
As the utility model discloses a technical optimization scheme, the bottom mounting of pedestal 1 has motor 12, and motor 12 is connected to lead screw 11, and pedestal 1 is fixed with axle bed 17, rotates between lead screw 11 and the axle bed 17 to be connected, for the convenience of driving lead screw 11 and rotate.
The working principle is as follows: the utility model discloses a through placing softened slabby plastics 19 on the top of lower mould 2, open motor 12 external power switch, drive lead screw 11 and rotate, make fixing base 10 move down, drive upper mould 8 and move down, make two briquetting 13 conflict slabby plastics, when upper mould 8 continues to move down, make briquetting 13 slide into the interior compression spring 14 of upper mould 8, at this moment clamp plate 18 conflicts slabby plastics 19, the elasticity of spring 14 makes briquetting 13 firmly centre gripping slabby plastics 19, do benefit to slabby plastics 19 plastic uptake, slabby plastics 19 centre gripping is between upper mould 8 and lower mould 2, make the interior of lower mould 2 sealed, at this moment open the external power supply of electric putter 6, pulling block rubber 7 and sliding and keeping away from straw 4, inhale the gas inside of lower mould 2 into the inside of stationary cylinder 5 by straw 4, at this moment the bottom of slabby plastics 19 reduces, the pressure of slabby plastics 19 impresses plastics 19 into the inside of lower mould 2 and plastic uptake board 3 through the top of slabby plastics 19, the plate-shaped plastic 19 is formed into a handle plastic part after plastic suction molding and cooling, the screw rod 11 is driven to rotate reversely by the control motor 12, the fixing seat 10 moves upwards to drive the upper die 8 to move upwards to be separated from the lower die 2, and the formed plate-shaped plastic 19 can move upwards to be separated from the lower die 2, so that the demoulding of the handle plastic part is completed.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.