阅读说明：本技术 一种密封条边角热成型装置 (Sealing strip corner thermoforming device ) 是由 王小兵 杨银平 李翔 于 2019-03-07 设计创作，主要内容包括：本发明提供了一种密封条边角热成型装置,在导热板前端的支架上设置一台板,该台板上端面与导热板上端面齐平,在台板下方的支架前端安装一储物筐；模具包括下模具、后模片、前模片和上模具,下模具、前模片、后模片和上模具相互组装后的内部形成型腔。本发明中,利用定位板可以实现模具的快速定位放置,台板和储物筐避免了密封条掉落到地上而受到污染以及节省了清理的时间,另外模具组装和脱模时均很方便,每个步骤均节省了操作时间,每个条形部分和边角部分的热成型与现有技术相比,节省了70％的时间,极大的提高了工作效率。(The invention provides a hot forming device for sealing strip corners, wherein a bedplate is arranged on a bracket at the front end of a heat conducting plate, the upper end surface of the bedplate is flush with the upper end surface of the heat conducting plate, and a storage basket is arranged at the front end of the bracket below the bedplate; the die comprises a lower die, a rear die piece, a front die piece and an upper die, wherein a cavity is formed in the lower die, the front die piece, the rear die piece and the upper die after the lower die, the front die piece, the rear die piece and the upper die are assembled with each other. According to the invention, the positioning plate is utilized to realize rapid positioning and placement of the mold, the bedplate and the storage basket avoid pollution caused by the falling of the sealing strip on the ground and save cleaning time, in addition, the mold is convenient to assemble and demold, the operation time is saved in each step, compared with the prior art, the thermal forming of each strip-shaped part and each corner part saves 70% of time, and the working efficiency is greatly improved.)

1. The utility model provides a sealing strip corner thermoforming device, includes support, goes up hydro-cylinder, lower hydro-cylinder and electric cabinet, and the hydro-cylinder is installed to the upper end of support, and hydro-cylinder under the lower extreme installation of support, the piston rod lower extreme of going up the hydro-cylinder pass through the clamp plate and connect the heat insulating board, and the heat-conducting plate is connected to the piston rod upper end of lower hydro-cylinder, and heat insulating board and heat-conducting plate press respectively at thermoforming mould's up end and bottom surface, its characterized: a bedplate is arranged on a support at the front end of the heat conducting plate, the upper end surface of the bedplate is flush with the upper end surface of the heat conducting plate, and a storage basket is arranged at the front end of the support below the bedplate;

the die comprises a lower die, a rear die piece, a front die piece and an upper die, wherein the cavity is formed in the lower die, the front die piece, the rear die piece and the upper die after the lower die, the front die piece, the rear die piece and the upper die are assembled with each other.

2. The weatherstrip corner thermoforming device of claim 1, wherein: the support of heat-conducting plate both sides all is provided with the locating plate that can lateral shifting, be provided with the locating plate that can longitudinal movement on the support of heat-conducting plate rear end.

3. The weatherstrip corner thermoforming device of claim 2, wherein: the positioning plates on the two sides of the heat conducting plate are arranged in a staggered mode.

4. The weatherstrip corner thermoforming device of claim 3, wherein: the locating plate is connected with a telescopic rod, the telescopic rod is arranged in a mounting rack in a penetrating mode, the mounting rack is connected with the supports at the two sides and the rear end of the heat conducting plate, and the telescopic rod is located on the outer edge of the outer side and the inner side of the mounting rack and is respectively sleeved with the adjusting disc and the locking disc.

5. The weatherstrip corner thermoforming apparatus according to claim 1, 2, 3 or 4, wherein: two positioning columns are symmetrically arranged on two sides of the rear end of the upper end face of the lower die, the rear die piece can be sleeved on the two positioning columns, the front end surface of the upper end face of the lower die is provided with a downward recess for embedding the front die piece, the upper end face of the front die piece embedded in the recess is lower than the rear end surface of the upper end face of the lower die, the rear end of the upper die is sleeved on the positioning columns, the bottom surface of the upper die piece is pressed on the upper end face of the rear die piece, the bottom surface of the front end of the upper die piece is pressed on the upper end face of the front die piece, and a downward convex edge integrally manufactured by the front end of the upper die is embedded in the rearward recess, and the cavity is formed inside the lower die, the front die piece, the rear die piece and the upper die after being assembled mutually.

6. The weatherstrip corner thermoforming device of claim 5, wherein: a spanner plate is arranged on the end face of the outer side of the upper die, and a heat insulation layer is arranged on the bottom face of the spanner plate.

Technical Field

The invention belongs to an improved technology of a hot forming device for corners of sealing stripsFIELDIn particular to a sealing strip corner thermoforming device.

Background

The sealing strip is required to be installed in the aluminum alloy window frame or the aluminum alloy door frame, the cross section of the sealing strip is complex, the sealing strip is formed by connecting a strip-shaped part and a corner part, namely, the end part of the strip-shaped part is inserted into the two ends of the corner part, the corner part is placed into a mold, the mold is placed into thermal forming equipment, under a certain pressure condition, thermal forming is carried out, and the strip-shaped part after demolding is stably connected with the corner part. The structure of the equipment is as follows: the device comprises a support 3, an upper oil cylinder 1, a lower oil cylinder 14 and an electric cabinet 11, wherein the upper oil cylinder is installed at the upper end of the support, the lower oil cylinder is installed at the lower end of the support, the lower end of a piston rod of the upper oil cylinder is connected with a heat insulation plate 5 through a pressing plate 4, the pressing plate is provided with a guide post 2, and the upper end of a piston rod of the lower oil cylinder is connected with a heat. When the mould is used, the mould 18 is placed on the heat conducting plate, the upper oil cylinder and the lower oil cylinder are started to tightly press the mould, the heat of the heat conducting plate is transferred to the connecting part of the strip-shaped part and the corner part inside the mould, and the rubber is heated and connected together. The above apparatus has the following problems: 1. because the area of the heat conducting plate is smaller, the whole size of the sealing strip is larger, and particularly the sealing strip of the French window frame with the oversize size is larger, the sealing strip can not be effectively prevented during thermal forming, so that the sealing strip can be stained with oil stains or dust on the ground and equipment; 2. the size of the die is smaller than that of the heat conducting plate, and when the die is placed, the positions of the die placed at each time are different, so that the die is not favorably pressed by the upper oil cylinder and the lower oil cylinder.

The structure of the die comprises an upper die base 30, an upper die 31, a middle die 32, a front die 34 and a lower die base 35, wherein two outer pin holes 38 are symmetrically arranged on the outer side of the upper end face of the lower die base, two inner pin holes 39 are symmetrically arranged on the inner side of the upper end face of the lower die base, the upper die base is provided with an outer pin hole and an inner pin hole in alignment, the upper die and the middle die are provided with an outer pin hole in alignment, and the front die is provided with an inner pin hole. When the die is used, the lower die base is placed well, the middle die plate and the upper die plate are sequentially placed on the outer side of the upper end face of the lower die base, the front die plate is placed on the inner side of the upper end face of the lower die base, the outer pin columns 36 are inserted into the outer pin holes aligned with the upper die plate, the inner pin columns 37 are inserted into the inner pin holes aligned with the lower die base, the end portions of the two strip-shaped portions are inserted into the two ends of the corner portion and are inserted into the die cavity 33 by an operator, the outer pin holes and the inner pin holes of the upper die base are pressed downwards after being aligned with the outer pin columns and the inner pin columns, the die is placed into a thermoforming machine to be pressed and heated, and thermal connection of the strip-shaped portions and the corner portions is completed. The above mold has the following problems: 1. the die comprises an upper die base, an upper die sheet, a middle die sheet, a front die sheet and a lower die base, and has a more complex structure and longer assembly time; 2. after the die is heated, all parts expand, the upper die base needs to be laboriously taken down during demolding, the outer pin columns and the inner pin columns can be pulled out by using pliers, and then the connected strip-shaped parts and corner parts can be taken out after the front mold piece, the upper mold piece and the middle mold piece are disassembled, so that the demolding time is long; 3. due to the fact that the number of parts is large, once a plurality of parts are abraded, the shape of the cavity is affected, and the problem that the connection part of the strip-shaped part and the corner part is loosened is caused.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provides a sealing strip corner thermoforming device which utilizes a bedplate and a storage basket to effectively place a sealing strip and ensures the placement position of a mold through a positioning plate.

The technical scheme adopted by the invention is as follows:

the utility model provides a sealing strip corner thermoforming device, includes support, goes up hydro-cylinder, lower hydro-cylinder and electric cabinet, and the hydro-cylinder is installed to the upper end of support, and hydro-cylinder under the lower extreme installation of support, the piston rod lower extreme of going up the hydro-cylinder pass through the clamp plate and connect the heat insulating board, and the heat-conducting plate is connected to the piston rod upper end of lower hydro-cylinder, and heat insulating board and heat-conducting plate press respectively at thermoforming mould's up end and bottom surface, its characterized: a bedplate is arranged on a support at the front end of the heat conducting plate, the upper end surface of the bedplate is flush with the upper end surface of the heat conducting plate, and a storage basket is arranged at the front end of the support below the bedplate;

the die comprises a lower die, a rear die piece, a front die piece and an upper die, wherein the cavity is formed in the lower die, the front die piece, the rear die piece and the upper die after the lower die, the front die piece, the rear die piece and the upper die are assembled with each other.

And moreover, the brackets on two sides of the heat-conducting plate are both provided with positioning plates capable of moving transversely, and the bracket at the rear end of the heat-conducting plate is provided with a positioning plate capable of moving longitudinally.

Furthermore, the positioning plates on the two sides of the heat conducting plate are arranged in a staggered mode.

And the positioning plate is connected with a telescopic rod, the telescopic rod is arranged in a mounting frame in a penetrating mode, the mounting frame is connected with the two sides of the heat conducting plate and the support at the rear end of the heat conducting plate, and the telescopic rod is positioned on the outer edges of the outer side and the inner side of the mounting frame and is respectively sleeved with the adjusting disc and the locking disc.

Furthermore, two positioning columns are symmetrically arranged on two sides of the rear end of the upper end face of the lower die, the rear die piece can be sleeved on the two positioning columns, the front end surface of the upper end face of the lower die is provided with a downward recess for embedding the front die piece, the upper end face of the front die piece embedded in the recess is lower than the rear end surface of the upper end face of the lower die, the rear end of the upper die is sleeved on the positioning columns, the bottom surface of the upper die piece is pressed on the upper end face of the rear die piece, the bottom surface of the front end of the upper die is pressed on the upper end face of the front die piece, and a downward convex edge integrally manufactured by the front end of the upper die is embedded in the rearward recess, and the inside of the lower die, the front die, the rear die and the upper die after being assembled mutually forms the die cavity.

And a spanner plate is arranged on the end face of the outer side of the upper die, and a heat insulation layer is arranged on the bottom surface of the spanner plate.

The invention has the advantages and positive effects that:

in 1 this device, the heat-conducting plate front end sets up the platen, the platen below sets up the storing basket, when placing the mould on the heat-conducting plate, the part of sealing strip is located the platen, the remainder is placed in the storing basket, avoided the sealing strip to place improperly and dropped the phenomenon by the greasy dirt pollution that appears on the ground, be provided with the locating plate that can remove in heat-conducting plate both sides and rear end, after the locating plate is adjusted a position, a restricted area has been formed, can put into the mould in this restricted area, and make the mould be in the best position that compresses tightly, the effect that has guaranteed to compress tightly and the identity of the hot-forming's batch product.

2. In the device, when the die is assembled, the connected bar-shaped part and the connected corner part can be placed into the rear die piece and the front die piece after being installed, the rear die piece and the front die piece are buckled on the die to be thermoformed, the operation is simple and convenient, the speed is high, during the demolding, the spanner plate is held by hands, the upper die is taken down, then the front die piece is taken down directly, the connected bar-shaped part and the connected corner part in the cavity can be separated, when the connection effect is checked, a cooling time is given to the die, then the rear die piece can be directly detached, the demolding speed is high, the efficiency is high, parts are fewer, even if the parts are worn, the whole error is smaller, and the connection stability of the bar-shaped part and the corner part is effectively ensured.

3. According to the invention, the positioning plate is utilized to realize rapid positioning and placement of the mold, the bedplate and the storage basket avoid pollution caused by the falling of the sealing strip on the ground and save cleaning time, in addition, the mold is convenient to assemble and demold, the operation time is saved in each step, compared with the prior art, the thermal forming of each strip-shaped part and each corner part saves 70% of time, and the working efficiency is greatly improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a left side view of FIG. 1;

FIG. 3 is a schematic illustration of the mold of FIG. 1 placed and compacted;

FIG. 4 is a schematic view of the three positioning plates of FIG. 3;

FIG. 5 is an enlarged view of the left side mounting bracket, telescoping rod, limiting plate, etc. of FIG. 3;

FIG. 6 is a schematic structural view of a mold;

FIG. 7 is a top view of FIG. 6;

FIG. 8 is a schematic view of FIG. 6 with the upper mold removed;

FIG. 9 is a schematic view of the die of FIG. 8 after removal;

FIG. 10 is a schematic view of the pre-demolded die of FIG. 9;

FIG. 11 is a schematic view of a prior art mold;

FIG. 12 is a top view of FIG. 11;

fig. 13 is a schematic view of the structural set spanner plate of fig. 7.

Detailed Description

The present invention is further illustrated by the following examples, which are intended to be illustrative, not limiting and are not intended to limit the scope of the invention.

The invention discloses a sealing strip corner thermoforming device, which comprises a support 3, an upper oil cylinder 1, a lower oil cylinder 14 and an electric cabinet 11, wherein the upper oil cylinder is installed at the upper end of the support, the lower oil cylinder is installed at the lower end of the support, the lower end of a piston rod of the upper oil cylinder is connected with a heat insulation plate 5 through a pressing plate 4, and the upper end of a piston rod of the lower oil cylinder is connected with a heat conduction plate 17, and the invention has the innovation that: a bedplate 10 is arranged on a bracket at the front end of the heat conducting plate, the upper end surface of the bedplate is flush with the upper end surface of the heat conducting plate, and a storage basket 13 is arranged at the front end of the bracket below the bedplate.

In this embodiment, a support frame 16 extending forward is provided at the front end of the support below the heat conducting plate, the bedplate is provided on the upper end surface of the support frame by means of bolts or welding, and two oblique beams 15 are provided on two sides of the bottom surface of the support frame in order to improve the stability of the bedplate. The mounting plate 12 is arranged on two sides of the rear end of the storage basket and is arranged on the front end face of the support in a bolt or welding mode.

The brackets on two sides of the heat conducting plate are both provided with positioning plates 6 which can move transversely. The bracket at the rear end of the heat conducting plate is provided with a positioning plate capable of moving longitudinally. The mounting structure of locating plate is: the locating plate is connected with a telescopic rod 9 which is arranged in a mounting rack 7 in a penetrating way, the mounting rack is connected with the supports at the two sides and the rear end of the heat conducting plate, the end part of the inner side of the telescopic rod penetrates through a hole 20 of the mounting rack, and the other end of the telescopic rod is positioned on the outer edges of the outer side and the inner side of the mounting rack and is respectively meshed with a sleeved adjusting disk 8 and a locking disk.

The positioning plates on the two sides of the heat conducting plate are arranged in a staggered way as shown in figure 4. The dislocation set can be as shown in fig. 4, also can exchange the position that both sides set up, adapts to the direction of placing of mould promptly, fixes the mounting bracket in homonymy support different positions during specific adjustment can.

The left locating plate and the rear locating plate are in contact with the left long side of the mold 18, and the right locating plate is in contact with the right short side of the mold.

The working process of the device is as follows:

1. selecting a die with a proper size, and adjusting the position of the positioning plate according to the size;

2. screwing the Song adjusting disc and the locking disc to enable the telescopic rod to move in the mounting frame, and screwing the adjusting disc and the locking disc after the positions are adjusted;

3. inserting the strip-shaped part into the end parts at two sides of the corner part, placing the strip-shaped part into a mold, covering the mold, and starting a heating part at the heat conducting plate to heat the heat conducting plate;

4. placing the mold between the positioning plates, and placing the other parts of the sealing strips in the bedplate and the storage basket;

5. and (3) the upper oil cylinder and the lower oil cylinder act to tightly press the die, the die is kept still for a period of time, after the reaction of the strip-shaped part and the corner part is finished and cured, the die is taken out for demoulding, and the thermal forming of the next corner is carried out until all corners are processed.

A hot forming die for sealing strips is shown in figures 6-13 and comprises a cavity 3, and the innovation of the invention is as follows: the die further comprises a lower die 25, a rear die 22, a front die 24 and an upper die 21, wherein two positioning columns 26 are symmetrically arranged on two sides of the rear end of the upper end face of the lower die, pin holes 41 are formed in the rear die and the upper die in alignment with the positioning columns, and the two positioning columns can penetrate into the pin holes of the rear die and the upper die.

The front end surface of the upper end surface of the lower die is provided with a downward recess 29 for embedding the front die piece, the upper end surface H2 of the front die piece after being embedded into the recess is lower than the rear end surface H1 of the upper end surface of the lower die, the upper end of the front end surface of the lower die is provided with a backward recess 28, the rear end of the upper die is sleeved on the positioning column, the bottom surface of the upper die is pressed on the upper end surface of the front die piece, the downward convex edge 27 integrally manufactured at the front end of the upper die is embedded into the backward recess, and the inside of the lower die, the front die piece, the rear die piece and the upper die after being assembled mutually forms a die cavity.

The die cavity is the same as that of the prior art die, the prior art middle die sheet and the prior art lower die are integrally manufactured, the width of the front die sheet is reduced, and the front end surface and the backward depression keep the same inclination so as to facilitate the attachment of the convex edge to the front end surface of the front die sheet and the front end surface of the lower die.

The outer end face of the upper die is provided with a spanner plate 40, the bottom surface of the spanner plate is provided with a heat insulation layer, and the heat insulation layer can be of a layered structure made of materials with lower heat conductivity coefficient, such as rubber, leather, plastics and the like.

The use process of the die is as follows:

when assembling:

1. taking the upper die and the rear die from the positioning column, taking the front die from the lower die, and putting the strip-shaped part and the corner part which are mutually spliced into the rest die cavity;

2. and mounting the rear die sheet and the front die sheet, and sleeving the upper die on the positioning columns to complete the assembly of the die.

And (3) demolding:

1. holding the spanner plate by hand, and taking down the upper die;

2. after the upper die is taken away, the convex edge limits the front die piece for hours, and the front die piece is directly taken away;

3. at the moment, most of the cavity is exposed, and the connecting part of the thermoformed strip-shaped part and the corner part can be pulled outwards slightly to be removed; naturally, if the mold is cooled slightly, the rear mold piece can be directly taken down and then taken out continuously;

4. after detecting the thermoforming effect at the joint, the mold is cooled slightly, and the rear mold piece is taken down and then continuously placed into the next structure to be thermoformed.

According to the invention, the positioning plate is utilized to realize rapid positioning and placement of the mold, the bedplate and the storage basket avoid pollution caused by the falling of the sealing strip on the ground and save cleaning time, in addition, the mold is convenient to assemble and demold, the operation time is saved in each step, compared with the prior art, the thermal forming of each strip-shaped part and each corner part saves 70% of time, and the working efficiency is greatly improved.