Mould for polylactic acid molding
Technical Field
The utility model relates to the technical field of polylactic acid production, in particular to a mold for molding polylactic acid.
Background
Polylactic acid molded bio-based plastics have wide applications including cans, cups, bottles, bags, electronic and electrical packaging materials, and the like.
According to China patent CN212948697U, a mold for molding polylactic acid is provided, and the mold is matched with a dovetail table and a dovetail groove in the device, so that the positioning accuracy of the upper mold and the lower mold during mold closing is ensured.
However, there may be some defects in the patent, in the process of molding polylactic acid, polylactic acid with different shapes is often needed to be molded through different templates, and in the device, the operator is inconvenient to replace different templates, so that the molding efficiency of polylactic acid is affected, and therefore, we propose a mold for molding polylactic acid.
Disclosure of utility model
The utility model aims to provide a mold for molding polylactic acid, which solves the problems in the prior art.
In order to achieve the aim, the utility model provides the technical scheme that the mold for molding the polylactic acid comprises a lower mold base;
the upper die holder is arranged above the lower die holder;
And the processing assembly is arranged above the lower die holder and comprises a buffer mechanism arranged at the top of the lower die holder, and an installation mechanism is arranged on the side surface of the buffer mechanism.
Preferably, the buffer gear includes the guide pillar with the top fixed connection of die holder, the outer wall sliding connection of guide pillar has the guide pin bushing, the side inner wall fixed connection of the outer wall upper die base of guide pin bushing, the bottom fixed mounting of guide pin bushing has buffer spring, buffer spring's the other end and the top fixed connection of die holder, through setting up buffer gear, when the mould in the in-process of using, the upper die base pushes down to slide at the outer wall of guide pillar through the guide pin bushing, can compress buffer spring at the in-process that the guide pin bushing pushed down, can play the effect of buffering to the upper die base of pushing down the in-process through buffer spring, in order to prevent that it from receiving the damage in long-term punching press in-process.
Preferably, the mounting mechanism comprises a T-shaped mounting block which is arranged in the lower die holder in a sliding manner, a rectangular sleeve is arranged on one side surface of one end of the T-shaped mounting block, a connecting spring is fixedly arranged on the inner wall of the rectangular sleeve, a moving block is fixedly arranged at the other end of the connecting spring, the outer wall of the moving block is in sliding connection with the inner wall of the bottom of the rectangular sleeve, a clamping block is fixedly arranged at the other end of the moving block, the side wall of the clamping block is in sliding connection with the inner wall of the side surface of the T-shaped mounting block, a lower die plate is fixedly arranged at the top of the T-shaped mounting block, a side plate is arranged on the side surface of the lower die plate, a bidirectional threaded rod is rotationally connected with the side wall of the side plate, an adjusting handle I is fixedly arranged on the outer wall of the middle section of the bidirectional threaded rod, a sleeve block is connected with the outer wall of the bidirectional threaded rod, a clamping plate is fixedly arranged at the other end of the sleeve block, the side wall of the clamping plate is in sliding connection with the outer wall of the lower die plate, the lower die plate is positioned below the upper die holder, an L-shaped top plate is fixedly arranged at the bottom of the upper die holder, an installation plate is slidably connected with the inner wall of the L-shaped top plate, the upper die plate is fixedly arranged on the side wall of the installation plate, a bolt is connected with the inner wall of one end of the L-shaped top plate in a threaded manner, an adjusting handle II is fixedly arranged on the outer wall of the bottom of the bolt, a limiting block is rotatably connected with the top of the bolt, the side wall of the limiting block is slidably connected with the outer wall of the installation plate, when the lower die plate is required to be installed, an operator can move the moving block with a clamping block through pulling the moving block, then insert the T-shaped installation block into the lower die holder, then eject the clamping block under the reaction of a connecting spring through releasing the moving block, so that the outer wall of fixture block and the side inner wall block of T type installation piece to reach the effect of fixing T type installation piece, in order to accomplish and install the lower bolster, operating personnel accessible rotation adjustment handle one, rotate with taking the two-way threaded rod, can take the cover piece to remove at the in-process that the cover piece removed at two-way threaded rod pivoted in-process can take the grip block to remove, can laminate with the outer wall of lower bolster after two grip blocks opposite movement, in order to reach the effect of fixing the lower bolster, when needs are installed the cope match-plate pattern, operating personnel can insert the mounting panel to the inside of L type roof, make the lateral wall of mounting panel laminate with the side inner wall of L type roof, then rotate with taking the bolt through rotation adjustment handle two, can take the stopper to rise after the top of messenger's stopper and the laminating of the bottom of upper die holder at the bolt pivoted in-process, can be spacing the mounting panel through the lateral wall of stopper.
Preferably, the number of the guide posts is four, the sizes of the four guide posts are equal, the four guide posts are fixedly arranged at four corners of the top of the lower die holder at equal intervals, and through the arrangement, the upper die holder in the up-and-down moving process can be limited through the guide posts, so that the upper die holder can move stably.
Preferably, the inner wall of the guide sleeve is in sliding connection with the outer wall of the guide post, the outer wall of the guide sleeve is fixedly connected with the inner wall of the upper die holder, and through the arrangement, the guide sleeve can move on the outer wall of the guide post so as to limit the upper die holder.
Preferably, the number of the rectangular sleeves is two, the sizes of the two rectangular sleeves are equal, the two rectangular sleeves are symmetrically distributed along the central plane of the T-shaped mounting block, and through the arrangement, the T-shaped mounting block can be conveniently mounted and dismounted through the clamping blocks inside the rectangular sleeves.
Preferably, the outer wall of the bottom of the upper template is matched with the inner wall of the lower template, and through the arrangement, the upper template and the lower template can be closed to facilitate the molding of the polylactic acid.
The utility model provides a mold for molding polylactic acid. The polylactic acid molding die has the following beneficial effects:
(1) According to the polylactic acid forming die, the buffer mechanism is arranged, when the die is used, the upper die holder is pressed downwards to slide on the outer wall of the guide post through the guide sleeve, the buffer spring is compressed in the process of pressing the guide sleeve downwards, and the buffer spring can buffer the upper die holder in the pressing process so as to prevent the upper die holder from being damaged in the long-term punching process;
(2) This mould for polylactic acid shaping through setting up installation mechanism, when needs are installed the lower bolster, operating personnel accessible pulling movable block makes the movable block take the fixture block to remove, then inject T type installation piece to the inside of lower bolster, then through releasing the movable block, can pop out the fixture block under the reaction of connecting spring, so that the outer wall of fixture block and the side inner wall block of T type installation piece, with reach the effect of fixing T type installation piece, install the lower bolster, operating personnel accessible rotation adjustment handle one, rotate with taking two-way threaded rod, can take the cover piece to remove at the in-process that the cover piece removed at two-way threaded rod pivoted, can laminate with the outer wall of lower bolster after two centre gripping boards are to the opposite directions remove, so as to reach the effect of fixing the lower bolster, when needs are installed the cope match-plate pattern, operating personnel can inject the mounting panel to the inside of L type roof, make the lateral wall of mounting panel and the side inner wall block of L type roof, then laminate through rotating adjustment handle two, with rotating the rotation adjustment handle, can take the rotation in the pivoted in-process and can laminate the top of stopper and the top of the stopper through the bolt that the top of rising of the stopper.
Drawings
FIG. 1 is a schematic diagram showing a three-dimensional structure of a mold for molding polylactic acid according to the present utility model;
FIG. 2 is a schematic view showing the structure of an internal processing assembly of a mold for molding polylactic acid according to the present utility model;
FIG. 3 is a schematic view showing the structure of an internal buffer mechanism of a mold for molding polylactic acid according to the present utility model;
FIG. 4 is a schematic view showing the structure of an internal mounting mechanism of a mold for molding polylactic acid according to the present utility model;
FIG. 5 is an enlarged view of a portion of a polylactic acid molding die A according to the present utility model;
FIG. 6 is an exploded view of an internal mounting mechanism of a mold for molding polylactic acid according to the present utility model;
fig. 7 is a schematic view showing a partial structure of an internal mounting mechanism of a mold for molding polylactic acid according to the present utility model.
The device comprises a lower die holder 1, an upper die holder 2, a processing assembly 31, a buffer mechanism 311, a guide pillar 312, a guide sleeve 313, a buffer spring 32, an installation mechanism 321, a T-shaped installation block 322, a rectangular sleeve 323, a connecting spring 324, a moving block 325, a clamping block 326, a lower die plate 327, a side plate 328, a bidirectional threaded rod 329, an adjusting handle I, a 3210, a sleeve block 3211, a clamping plate 3212, an L-shaped top plate 3213, an installation plate 3214, an upper die plate, a 3215, a bolt 3216, an adjusting handle II, a 3217 and a limiting block.
Detailed Description
For a clearer understanding of technical features, objects, and effects of the present utility model, a specific embodiment of the present utility model will be described with reference to the accompanying drawings.
Example 1
The preferred embodiment of a mold for molding polylactic acid provided by the utility model is shown in fig. 1 to 7, and comprises a lower mold base 1;
an upper die holder 2 disposed above the lower die holder 1;
And the processing component 3 is arranged above the lower die holder 1, the processing component 3 comprises a buffer mechanism 31 arranged at the top of the lower die holder 1, the side surface of the buffer mechanism 31 is provided with a mounting mechanism 32, when the polylactic acid is molded through a die, the upper die holder 2 can be buffered through the buffer mechanism 31 to prevent the upper die holder 2 from being damaged, and the lower die plate 326 and the upper die plate 3214 can be conveniently mounted and dismounted through the mounting mechanism 32.
The buffer mechanism 31 comprises a guide post 311 fixedly connected with the top of the lower die holder 1, a guide sleeve 312 is slidably connected with the outer wall of the guide post 311, the inner wall of the side face of the upper die holder 2 on the outer wall of the guide sleeve 312 is fixedly connected, a buffer spring 313 is fixedly arranged at the bottom of the guide sleeve 312, and the other end of the buffer spring 313 is fixedly connected with the top of the lower die holder 1.
In this embodiment, by providing the buffer mechanism 31, when the die is in use, the upper die holder 2 is pressed down to slide on the outer wall of the guide post 311 through the guide sleeve 312, the buffer spring 313 is compressed in the pressing process of the guide sleeve 312, and the buffer spring 313 can buffer the upper die holder 2 in the pressing process, so as to prevent the upper die holder from being damaged in the long-term punching process.
Example 2
On the basis of embodiment 1, the preferred embodiment of the mold for molding polylactic acid provided by the utility model is shown in fig. 1 to 7, wherein the mounting mechanism 32 comprises a T-shaped mounting block 321 which is arranged in a lower mold base 1 in a sliding manner, one side surface of one end of the T-shaped mounting block 321 is provided with a rectangular sleeve 322, the inner wall of the rectangular sleeve 322 is fixedly provided with a connecting spring 323, the other end of the connecting spring 323 is fixedly provided with a moving block 324, the outer wall of the moving block 324 is in sliding connection with the inner wall of the bottom of the rectangular sleeve 322, the other end of the moving block 324 is fixedly provided with a clamping block 325, the side wall of the clamping block 325 is in sliding connection with the side inner wall of the T-shaped mounting block 321, the top of the T-shaped mounting block 321 is fixedly provided with a lower mold plate 326, the side surface of the lower mold plate 326 is provided with a side plate 327, the side wall of the side plate 327 is rotatably connected with a two-way threaded rod 328, the middle section outer wall of the two-way threaded rod 328 is fixedly provided with an adjusting handle one 329, the outer wall of the two-way threaded rod 328 is in threaded connection with a sleeve block 3210, the other end of the sleeve 3210 is fixedly provided with a clamping plate 3211, the side wall of the clamping plate 3211 is in sliding connection with the outer wall of the lower mold base 326, the side wall is in sliding connection with the outer wall of the lower mold base 2 is positioned below the upper mold base 2, the lower mold base 2 is fixedly connected with the side wall of the upper mold base 3L 3 is fixedly provided with a limiting block 3212, one end is fixedly connected with the side wall 3 is fixedly connected with the side wall 3 is fixedly connected with the side 3, 3 is fixedly connected with the side-threaded top 3 is fixedly mounted 3, 3 is fixedly 5, 5 is fixedly connected with the upper side 3 is 5 to the upper side 3.
In this embodiment, through setting up installation mechanism 32, when needs are installed to lower bolster 326, operating personnel accessible pulling movable block 324 makes movable block 324 take the fixture block 325 to remove, then inject T type installation piece 321 to the inside of lower bolster 1, then through releasing movable block 324, can pop out fixture block 325 under the reaction of connecting spring 323, so that the outer wall of fixture block 325 and the side inner wall block of T type installation piece 321, in order to reach the effect of fixing T type installation piece 321, in order to accomplish and install lower bolster 326, operating personnel accessible rotation adjustment handle one 329, in order to rotate with taking bi-directional threaded rod 328, can take the cover piece 3210 to remove in the in-process that cover piece 3210 removed and can take grip block 3211, can laminate with the outer wall of lower bolster 326 after two grip block 3211 subtended movements, in order to reach the effect of fixing lower bolster 326, when needs are installed to upper bolster 3214, operating personnel can insert 3 to the inside of L type 3212, make the inside of L type 3213 and make the inside of side wall 3213 and side wall 3213 rotate with the top side wall 3215 through the regulation of top plate 3, then side wall 3215 and side wall 3215 are in the installation plate 7 are in the installation plate 3 is in the process of going on the side wall 3 is adjusted to the side wall 3215.
Further, the number of the guide posts 311 is four, the sizes of the four guide posts 311 are equal, the four guide posts 311 are fixedly arranged at four corners of the top of the lower die holder 1 at equal intervals, and through the arrangement, the upper die holder 2 in the up-and-down moving process can be limited through the guide posts 311, so that the upper die holder is stable in movement.
Further, the inner wall of the guide sleeve 312 is slidably connected with the outer wall of the guide post 311, and the outer wall of the guide sleeve 312 is fixedly connected with the inner wall of the upper die holder 2, so that the guide sleeve 312 can move on the outer wall of the guide post 311 to limit the upper die holder 2.
In a further step, the number of the rectangular sleeves 322 is two, the sizes of the two rectangular sleeves 322 are equal, the two rectangular sleeves 322 are symmetrically distributed along the central surface of the T-shaped mounting block 321, and through the arrangement, the clamping blocks 325 inside the rectangular sleeves 322 can be conveniently mounted and dismounted on the T-shaped mounting block 321.
In addition, the outer wall of the bottom of the upper template 3214 is matched with the inner wall of the lower template 326, and by the arrangement, the upper template 3214 and the lower template 326 can be closed to facilitate the molding of the polylactic acid.
The foregoing is illustrative of the present utility model and is not to be construed as limiting the scope of the utility model. Any equivalent changes and modifications can be made by those skilled in the art without departing from the spirit and principles of this utility model, and are intended to be within the scope of this utility model. Moreover, it should be noted that the components of the present utility model are not limited to the above-mentioned overall application, and each technical feature described in the specification of the present utility model may be selected to be used alone or in combination of a plurality of options according to actual needs, so that other combinations and specific applications related to the present utility model are covered by the present utility model.