Injection mold convenient to change
Technical Field
The utility model relates to an injection mold technical field specifically is an injection mold convenient to change.
Background
Injection molding is a processing method used in mass production of parts with complex shapes, an injection mold is an important part for injection molding processing, the injection mold is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and accurate sizes, and generally, plastic melted by heating is injected into a mold cavity from an injection molding machine under high pressure, and a formed product is obtained after cooling and solidification.
The injection mold who actually uses comprises bed die and last mould, utilizes the screw to fix the bed die in the bottom, will go up the mould and fix in the elevating system at top to utilize elevating system to make the coincidence of bed die and bed die form the die cavity, but need use different injection mold when processing different parts, just need change injection mold, and go up mould and bed die and all screw on the fixing base through the screw, it is very inconvenient to dismantle.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an injection mold convenient to change to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an injection mold convenient to replace comprises a fixed seat, a positioning block, an injection mold body, a positioning groove, a clamping groove and a limiting mechanism, wherein the positioning block is fixedly connected to the middle point of the top of the fixed seat;
the limiting mechanism comprises a shell, the bottom of the shell is fixedly connected with the top of a fixed seat, the top and the bottom of the left side and the right side of the inner wall of the shell are fixedly connected through slide bars, the two slide bars are connected in a sliding way through slide plates, the surfaces of the slide bars are sleeved with return springs, one ends of the return springs, which are close to the slide plates, are fixedly connected with the top of the shell, one ends of the return springs, which are far away from the slide plates, are fixedly connected with the inner wall of the shell, a clamping block is fixedly connected at the middle point of one side of the slide plates, which is close to an injection mold body, the side of the clamping block, which is far away from the slide plates, sequentially penetrates through the shell and the clamping grooves and extends into the clamping grooves, the clamping blocks are movably connected with the shell, a semicircular ring, the inner part of the bearing is movably connected with a supporting rotating shaft, the bottom of the supporting rotating shaft penetrates through the bearing and extends to the outer part of the bearing and is fixedly connected with a winding drum, the surface of the winding drum is wound with a nylon rope, one end of the nylon rope, far away from the winding drum, penetrates through the shell and extends to the inner part of the shell and is fixedly connected with the semicircular ring, the top of the supporting rotating shaft sequentially penetrates through the bearing and the supporting plate and extends to the outer part of the supporting plate and is fixedly connected with a disc, the top of the disc is fixedly connected with a handle, eight limiting grooves are formed in the bottom of the disc in a surrounding manner, convex grooves are formed in the top of the supporting plate and correspond to the limiting grooves, a fixed plate is movably connected in the inner part of the convex grooves, a limit block is fixedly connected at the middle point of the top of the fixed plate, the top of the limit block, the bottom fixedly connected with supporting spring of fixed plate, the bottom of supporting spring and the bottom fixed connection of tongue inner wall.
Preferably, the positioning block is movably connected with the positioning groove.
Preferably, the surface of the sliding plate is movably connected with the inner wall of the shell.
Preferably, the clamping block is movably connected with the clamping groove.
Preferably, the limiting block is movably connected with the limiting groove.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model discloses a fixing base, locating piece, injection mold body, constant head tank, draw-in groove and stop gear mutually support, have realized the effect of being convenient for change the injection mold body, and the change process operation is very simple, and labour saving and time saving has greatly reduced staff's intensity of labour moreover, and the change process need not the instrument with the help of any specialty, brings very big facility for the user.
Drawings
FIG. 1 is a structural section view in elevation of the present invention;
fig. 2 is a schematic structural view of a bottom view of the disc of the present invention;
fig. 3 is an enlarged schematic view of a in fig. 1 according to the present invention.
In the figure: the device comprises a fixed seat 1, a positioning block 2, an injection mold body 3, a positioning groove 4, a clamping groove 5, a limiting mechanism 6, a shell 601, a sliding rod 602, a sliding plate 603, a return spring 604, a fixture block 605, a semicircular ring 606, a support plate 607, a bearing 608, a rotating shaft 609 support, a winding drum 610, a nylon rope 611, a disc 612, a handle 613, a limiting groove 614, a convex groove 615, a fixing plate 616, a limiting block 617, a pressing block 618 and a spring 619 support.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in 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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Please refer to fig. 1-3, an injection mold convenient to replace, including fixing base 1, locating piece 2, injection mold body 3, constant head tank 4, draw-in groove 5 and stop gear 6, the midpoint of fixing base 1 top is fixedly connected with locating piece 2, the midpoint of fixing base 1 top is swing joint has injection mold body 3, constant head tank 4 has been seted up to the midpoint of injection mold body 3 bottom, the top of locating piece 2 runs through constant head tank 4 and extends to its inside, swing joint between locating piece 2 and the constant head tank 4, draw-in groove 5 has all been seted up to the left and right sides of injection mold body 3, the equal fixedly connected with stop gear 6 of the left and right sides at fixing base 1 top.
The limiting mechanism 6 comprises a shell 601, the bottom of the shell 601 is fixedly connected with the top of the fixed seat 1, the top and the bottom of the left side and the right side of the inner wall of the shell 601 are fixedly connected through a sliding rod 602, the two sliding rods 602 are slidably connected through a sliding plate 603, the surface of the sliding plate 603 is movably connected with the inner wall of the shell 601, the surface of the sliding rod 602 is sleeved with a return spring 604, one end of the return spring 604 close to the sliding plate 603 is fixedly connected with the sliding plate 603, one end of the return spring 604 far away from the sliding plate 603 is fixedly connected with the inner wall of the shell 601, a clamping block 605 is fixedly connected at the midpoint of one side of the sliding plate 603 close to the injection mold body 3, one side of the clamping block 605 far away from the sliding plate 603 sequentially penetrates through the shell 601 and the clamping groove 5 and extends to the inside of the clamping groove 5, the clamping block 605, the top of one side of the housing 601 far away from the injection mold body 3 is fixedly connected with a support plate 607, the bottom of the support plate 607 is fixedly connected with a bearing 608, the inside of the bearing 608 is movably connected with a support rotating shaft 609, the bottom of the support rotating shaft 609 penetrates through the bearing 608 and extends to the outside thereof to be fixedly connected with a winding drum 610, the surface of the winding drum 610 is wound with a nylon rope 611, one end of the nylon rope 611 far away from the winding drum 610 penetrates through the housing 601 and extends to the inside thereof to be fixedly connected with a semicircular ring 606, the top of the support rotating shaft 609 penetrates through the bearing 608 and the support plate 607 in sequence and extends to the outside of the support plate 607 to be fixedly connected with a disc 612, the top of the disc 612 is fixedly connected with a handle 613, the bottom of the disc 612 is surrounded with eight limit grooves 614, the top of the support plate 607 is provided with a convex, the top of stopper 617 runs through tongue 615 and spacing groove 614 in proper order and extends to the inside of spacing groove 614, swing joint between stopper 617 and the spacing groove 614, stopper 617 keeps away from injection mold body 3 one side and is located the position fixedly connected with between disc 612 and the backup pad 607 and presses briquetting 618, the bottom fixedly connected with supporting spring 619 of fixed plate 616, the bottom fixedly connected with of supporting spring 619 and the bottom fixed connection of tongue 615 inner wall.
When the injection mold body 3 needs to be replaced, a user pulls the pressing block 618 downwards to drive the limiting block 617 and the fixing plate 616 to move downwards and compress the supporting spring 619, so that the limiting block 617 completely breaks away from the limiting groove 614, then the user rotates the handle 613 forwards to drive the disc 612, the supporting rotating shaft 609 and the winding drum 610 to rotate, so that the winding drum 610 winds the nylon rope 611, the other end of the nylon rope 611 sequentially pulls the semicircular ring 606, the sliding plate 603 and the fixture block 605 to move towards one side far away from the injection mold body 3, and compresses the return spring 604 until the fixture block 605 completely breaks away from the clamping groove 5, then releases the pressing block 618, so that the limiting block 617 is driven to move upwards under the elastic force of the supporting spring 619, so that the limiting block 617 can be inserted into the corresponding limiting groove 614, and then the injection mold body 3 can be taken down, then place the injection mold body 3 that needs to be changed on fixing base 1, and make locating piece 2 insert in the constant head tank 4 of injection mold body 3 bottom, then the user repeats above step and makes stopper 617 break away from spacing groove 614, then loosen handle 613, thereby under the spring action of reset spring 604, drive slide 603 and fixture block 605 in proper order and reset, thereby make fixture block 605 insert in the draw-in groove 5 of injection mold body 3 can, then repeat above step, make stopper 617 insert on the disc 612 on the corresponding spacing groove 614 can, through above step, can accomplish whole change work.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.