Plastic product injection molding equipment

Abstract

The utility model relates to the technical field of plastic product injection molding, in particular to plastic product injection molding equipment which comprises a fixing frame, a bottom plate fixedly installed on the fixing frame and a mold core corresponding to the bottom plate, an installation frame is arranged on the fixing frame, and a replacement mechanism used for automatically replacing the mold core is arranged on the installation frame. The bottom plate is provided with a positioning mechanism for quickly mounting the mold core; the replacing mechanism comprises a fixing frame installed on the installation frame in a sliding mode, a lead screw is arranged in the installation frame, and four sets of symmetrically-distributed positioning blocks are arranged in the fixing frame. Different types of mold cores needed in the production process of injection molding equipment are fixed to the fixing frame in the mounting frame through the arranged replacing mechanism, and the distance between the four sets of positioning blocks can be rapidly adjusted through rapid movement between the two sets of first sliding rods and the two sets of second sliding rods in the fixing frame. And therefore, the mold core can be quickly fixed or disassembled.

Description

TECHNICAL FIELD

[0001] The utility model relates to plastic product injection molding technical field, concretely is a kind of plastic product injection molding equipment. BACKGROUND

[0002] Plastic injection molding machine has the ability to one-time molding complex shape, size accurate or with metal insert dense plastic product, is widely used in national defense, machinery, automobile, transportation, building materials, packaging, agriculture, culture and health and people's daily life each field.Injection molding machine is usually composed of injection system, mold clamping system, hydraulic transmission system, electrical control system, lubrication system, heating and cooling system, safety monitoring system etc.

[0003] Injection molding equipment usually needs to replace different molds when producing different models of plastic products, but the mold replacement time of injection molding equipment in the prior art is longer, thereby affecting the production and processing efficiency of plastic products, so we provide a kind of plastic product injection molding equipment to solve the above problems. UTILITY MODEL CONTENT

[0004] (I) technical problem solved

[0005] In view of the deficiencies of the prior art, the utility model provides a kind of plastic product injection molding equipment, solves the problems raised in the above background art.

[0006] (II) technical scheme

[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of plastic product injection molding equipment, including fixed frame, and fixedly installed bottom plate and the die core corresponding with bottom plate on fixed frame, the fixed frame is equipped with mounting bracket, and mounting bracket is equipped with the replacement mechanism for automatically replacing die core, and bottom plate is equipped with the positioning mechanism for quickly installing die core;

[0008] Replacement mechanism includes fixed frame slidingly installed on mounting bracket, mounting bracket is equipped with screw rod, fixed frame is equipped with four groups of symmetrical distribution positioning blocks, two groups of symmetrical distribution first sliding rods are slidingly installed in fixed frame, two groups of symmetrical distribution second sliding rods are slidingly installed in fixed frame, two groups of first sliding rods and second sliding rods are vertically distributed, and four groups of positioning blocks are slidingly connected with a group of first sliding rods and second sliding rods respectively, four groups of symmetrical distribution positioning grooves are set on die core, four groups of positioning blocks are correspondingly set with positioning groove, four groups of positioning blocks are movably clamped with corresponding die core through positioning groove, positioning mechanism includes four groups of symmetrical distribution installation rods fixedly installed in bottom plate, and adjusting rod is slidingly installed in installation rod, and four groups of symmetrical distribution positioning plates are set on adjusting rod.

[0009] Preferably, the two ends of the lead screw are respectively penetrated through the mounting frame and are rotationally connected with the mounting frame through bearings, the lead screw is penetrated through the fixed frame and is threadedly connected with the fixed frame, the fixed frame is provided with a first air cylinder, and the mounting frame is fixedly connected with the output end of the piston rod of the first air cylinder.

[0010] Preferably, a first double-rod air cylinder is arranged between the two groups of first sliding rods, the two groups of first sliding rods are respectively fixedly connected with the output ends of the piston rods of the first double-rod air cylinder, a second double-rod air cylinder is arranged between the two groups of second sliding rods, and the two groups of second sliding rods are respectively fixedly connected with the output ends of the piston rods of the second double-rod air cylinder.

[0011] Preferably, a second air cylinder is fixedly arranged in the mounting rod, and the adjusting rod is fixedly connected with the output end of the piston rod of the second air cylinder.

[0012] Preferably, first adjusting frames and second adjusting frames are arranged in a cross distribution between the four groups of positioning plates and the adjusting rod, and the two ends of the first adjusting frame are rotationally connected with the positioning plate and the adjusting rod through pivots.

[0013] Preferably, the left end of the second adjusting frame is rotationally connected with the mounting rod through a pivot, and the right end of the second adjusting frame is slidingly connected with the positioning plate through a pivot.

[0014] Preferably, the positioning mechanism further comprises four groups of symmetrical insertion slots arranged on the back surface of the mold core, four groups of symmetrical clamping grooves are arranged in the insertion slots, the positioning plates are arranged in correspondence with the clamping grooves, the positioning plates are movably clamped with the mold core through the clamping grooves, and rubber suction cups are fixedly arranged on the four groups of positioning plates.

[0015] (Three) beneficial effects

[0016] Compared with the prior art, the plastic product injection molding equipment has the following advantages

[0017] Beneficial effects:

[0018] The different types of mold cores required in the production process of the injection molding equipment are fixed on the fixed frame in the mounting frame through the setting of the replacement mechanism, the rapid movement between the two groups of first sliding rods and the second sliding rods in the fixed frame can realize the rapid adjustment of the spacing between the four groups of positioning blocks, thereby realizing the rapid fixing or dismounting of the mold core, and when the fixed frame is sliding on the mounting frame and corresponds to the bottom plate, the positioning mechanism is matched to realize the rapid fixing of the mold core on the bottom plate, the overall mold replacement time is reduced, and the production and processing efficiency of the plastic product is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] The drawings described herein are used to provide further understanding of the present application, constitute a part of the present application, the illustrative embodiments of the present application and the description thereof are used to explain the present application, and do not constitute improper limitation on the present application. In the drawings:

[0020] Figure 1 It is the whole structure schematic view of the utility model;

[0021] Figure 2 It is the structure schematic view of the utility model replacement mechanism;

[0022] Figure 3 It is the structure separation schematic view of the utility model fixed frame and positioning block;

[0023] Figure 4 It is the structure schematic view of the utility model positioning mechanism;

[0024] Figure 5 It is the structure separation schematic view of the utility model installation rod and adjusting rod.

[0025] In the drawing: 1, fixed frame; 2, mounting frame; 3, bottom plate; 4, die; 5, replacement mechanism; 501, fixed frame; 502, screw rod; 503, first air cylinder; 504, positioning block; 505, first sliding rod; 506, second sliding rod; 507, first double rod air cylinder; 508, second double rod air cylinder; 509, positioning groove; 6, positioning mechanism; 601, insertion slot; 602, clamping groove; 603, installation rod; 604, adjusting rod; 605, second air cylinder; 606, positioning plate; 607, first adjusting frame; 608, second adjusting frame; 609, rubber suction cup. DETAILED DESCRIPTION

[0026] The embodiments of the present application will be described in detail below with the accompanying drawings and examples, so that the realization process of how to apply technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.

[0027] Figures 1-5For an embodiment of the utility model, a plastic product injection molding equipment, including fixed frame 1, and fixedly installed bottom plate 3 and the die core 4 corresponding with bottom plate 3 on fixed frame 1, be equipped with mounting bracket 2 on fixed frame 1, be equipped with replacement mechanism 5 for automatically replacing die core 4 on mounting bracket 2, be equipped with positioning mechanism 6 for quickly installing die core 4 on bottom plate 3;Replacement mechanism 5 includes the fixed frame 501 of sliding installation on mounting bracket 2, be equipped with screw rod 502 in mounting bracket 2, be equipped with four groups of symmetrical distribution positioning block 504 in fixed frame 501, two groups of symmetrical distribution first sliding rod 505 are slidably installed in fixed frame 501, two groups of symmetrical distribution second sliding rod 506 are slidably installed in fixed frame 501, two groups of first sliding rod 505 and second sliding rod 506 are vertically distributed, and four groups of positioning block 504 are slidably connected with a group of first sliding rod 505 and second sliding rod 506 respectively, four groups of symmetrical distribution positioning groove 509 are set up on die core 4, four groups of positioning block 504 are set up correspondingly with positioning groove 509, four groups of positioning block 504 are movably connected with corresponding die core 4 through positioning groove 509, positioning mechanism 6 includes four groups of symmetrical distribution mounting rod 603 fixedly installed in bottom plate 3, and adjusting rod 604 is slidably installed in mounting rod 603, four groups of symmetrical distribution positioning plate 606 are set up around adjusting rod 604, different types of die core 4 needed in the production process of injection molding equipment are fixed on the fixed frame 501 in mounting bracket 2 through the replacement mechanism 5 set up, the quick movement between two groups of first sliding rod 505, second sliding rod 506 in fixed frame 501 can realize the quick adjustment of the interval between four groups of positioning block 504, then the quick fixing or disassembly of die core 4 can be realized, and when fixed frame 501 is slid on mounting bracket 2 and corresponds with bottom plate 3, the quick fixing of die core 4 on bottom plate 3 is realized by cooperating with positioning mechanism 6, the overall die replacement time is reduced, and the production and processing efficiency of plastic products is improved.

[0028] In the embodiment, reference is made to Figure 2 、 Figure 3As shown, the two ends of the lead screw 502 are respectively penetrated through the mounting frame 2 and are rotatably connected with the mounting frame 2 through bearings, the lead screw 502 is penetrated through the fixed frame 501 and is threadedly connected with the fixed frame 501, the fixed frame 1 is provided with a first air cylinder 503, the mounting frame 2 is fixedly connected with the output end of the piston rod of the first air cylinder 503, the two groups of first sliding rods 505 are provided with a first double-rod air cylinder 507, the two groups of first sliding rods 505 are respectively fixedly connected with the output ends of the piston rods of the first double-rod air cylinder 507, the two groups of second sliding rods 506 are provided with a second double-rod air cylinder 508, the two groups of second sliding rods 506 are respectively fixedly connected with the output ends of the piston rods of the second double-rod air cylinder 508, the starting of the first double-rod air cylinder 507 and the second double-rod air cylinder 508 in the fixed frame 501 respectively drives the two groups of first sliding rods 505 and the second sliding rods 506 to synchronously slide inward or outward, and then the four groups of positioning blocks 504 in the fixed frame 501 synchronously slide inward or outward on the fixed frame 501, so as to realize the pre-installation of different models of the mold core 4 in cooperation with the positioning groove 509, when the mold core 4 needs to be replaced, the lead screw 502 in the mounting frame 2 rotates, under the limiting action of the mounting frame 2, the fixed frame 501 drives the corresponding mold core 4 to slide, until the mold core 4 corresponds to the bottom plate 3, the first air cylinder 503 in the fixed frame 1 is started to drive the mounting frame 2, the fixed frame 501 and the mold core 4 in the fixed frame 501 to synchronously move close to the bottom plate 3.

[0029] In this embodiment, reference is made to Figure 4 and Figure 5As shown, the second cylinder 605 is fixedly installed in the mounting rod 603, and the adjusting rod 604 is fixedly connected with the output end of the piston rod of the second cylinder 605. The first adjusting frame 607 and the second adjusting frame 608 are cross-distributed between the four sets of positioning plates 606 and the adjusting rod 604. The two ends of the first adjusting frame 607 are rotatably connected with the positioning plate 606 and the adjusting rod 604 through the rotating shafts, respectively. The left end of the second adjusting frame 608 is rotatably connected with the mounting rod 603 through the rotating shaft, and the right end of the second adjusting frame 608 is slidably connected with the positioning plate 606 through the rotating shaft. The positioning mechanism 6 further comprises four sets of symmetrical insertion slots 601 opened on the back surface of the mold core 4. Four sets of symmetrical clamping grooves 602 are opened in the insertion slots 601. The positioning plate 606 is correspondingly arranged with the clamping groove 602. The positioning plate 606 is movably clamped with the mold core 4 through the clamping groove 602. The four sets of positioning plates 606 are all fixedly installed with rubber suction cups 610. The adjusting rod 604 and the positioning plate 606 at the corresponding position on the bottom plate 3 are clamped into the four sets of insertion slots 601 on the back side of the mold core 4. The second cylinder 605 in the mounting rod 603 is started to drive the adjusting rod 604 to slide inward. In the sliding process of the adjusting rod 604, the first adjusting frame 607 and the second adjusting frame 608 cross-distributed between the adjusting rod 604 and the positioning plate 606 are lifted to top out the positioning plate 606. The positioning plate 606 is clamped into the corresponding clamping groove 602. The rubber suction cup 610 is suctioned with the side wall of the clamping groove 602. The quick fixing of the mold core 4 on the bottom plate 3 is completed. The quick replacement of the whole mold core 4 is completed. The time required for the replacement of the mold core 4 through the cooperation of the positioning mechanism 6 and the replacement mechanism 5 is short. The working efficiency of the plastic product injection molding equipment is improved.

[0030] In the working of the embodiment, the starting of the first double-rod air cylinder 507 and the second double-rod air cylinder 508 in the fixed frame 501 drives the two groups of first sliding rods 505 and second sliding rods 506 to slide synchronously inward or outward, and then makes the four groups of positioning blocks 504 in the fixed frame 501 slide synchronously inward or outward on the fixed frame 501, and realizes the prior installation of the different models of the mold cores 4 in cooperation with the positioning grooves 509, when the mold cores 4 need to be replaced, the rotation of the lead screw 502 in the mounting frame 2 drives the corresponding mold cores 4 to slide under the limiting action of the mounting frame 2 until the mold cores 4 correspond to the bottom plate 3, the starting of the first air cylinder 503 in the fixed frame 1 makes the mounting frame 2 drive the fixed frame 501 and the mold cores 4 in the fixed frame 501 to approach the bottom plate 3 synchronously, the adjusting rods 604 and the positioning plates 606 at the corresponding positions on the bottom plate 3 are clamped into the four groups of insertion grooves 601 at the rear side of the mold cores 4, the starting of the second air cylinder 605 in the mounting rod 603 drives the adjusting rods 604 to slide inward, and the first adjusting frame 607 and the second adjusting frame 608 distributed crosswise between the adjusting rods 604 and the positioning plates 606 are supported in the sliding process of the adjusting rods 604, so that the positioning plates 606 are ejected, the positioning plates 606 are clamped into the corresponding clamping grooves 602, the rubber suction cups 610 are suctioned to the side walls of the clamping grooves 602, the quick fixing of the mold cores 4 on the bottom plate 3 is completed, the quick replacement of the mold cores 4 as a whole is completed, the time consumed for the replacement of the mold cores 4 by the cooperation of the positioning mechanism 6 and the replacement mechanism 5 is short, and the working efficiency of the plastic product injection molding equipment is improved.

[0031] The control mode of the utility model is automatically controlled through the controller, the control circuit of the controller can be realized through simple programming of the person skilled in the art, the power supply also belongs to the public knowledge in the field, and the utility model is mainly used for protecting the mechanical device, so the control mode and the circuit connection of the utility model will not be explained in detail.

[0032] It should be noted that the terms "comprising", "containing" or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or device.

[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A plastic product injection molding device, comprising a fixed frame (1), a bottom plate (3) fixedly installed on the fixed frame (1), and a mold core (4) corresponding to the bottom plate (3), characterized in that: The fixing frame (1) is provided with a mounting frame (2), the mounting frame (2) is provided with a replacement mechanism (5) for automatically replacing a mold core (4), and the bottom plate (3) is provided with a positioning mechanism (6) for quickly mounting the mold core (4); The replacement mechanism (5) comprises a fixed frame (501) slidably mounted on the mounting frame (2), a lead screw (502) arranged in the mounting frame (2), four groups of symmetrical positioning blocks (504) arranged in the fixed frame (501), two groups of symmetrical first sliding rods (505) slidably arranged in the fixed frame (501), two groups of symmetrical second sliding rods (506) slidably arranged in the fixed frame (501), the two groups of first sliding rods (505) and the second sliding rods (506) being vertically distributed, the four groups of positioning blocks (504) being slidably connected with a group of first sliding rods (505) and a group of second sliding rods (506) respectively, four groups of symmetrical positioning grooves (509) being formed in the mold core (4), the four groups of positioning blocks (504) being correspondingly arranged with the positioning grooves (509), the four groups of positioning blocks (504) being movably clamped with the corresponding mold core (4) through the positioning grooves (509), and the positioning mechanism (6) comprises four groups of symmetrical mounting rods (603) fixedly arranged in the bottom plate (3), and an adjusting rod (604) slidably arranged in the mounting rod (603).

2. The injection molding apparatus of claim 1, wherein: Both ends of the lead screw (502) penetrate through the mounting frame (2) and are rotationally connected with the mounting frame (2) through bearings, the lead screw (502) penetrates through the fixed frame (501) and is threadedly connected with the fixed frame (501), and the fixing frame (1) is provided with a first air cylinder (503), and the mounting frame (2) is fixedly connected with the output end of the piston rod of the first air cylinder (503).

3. The injection molding apparatus of claim 1, wherein: First double-rod air cylinders (507) are arranged between the two groups of first sliding rods (505), the two groups of first sliding rods (505) are fixedly connected with the output ends of the piston rods of the first double-rod air cylinders (507) respectively, second double-rod air cylinders (508) are arranged between the two groups of second sliding rods (506), and the two groups of second sliding rods (506) are fixedly connected with the output ends of the piston rods of the second double-rod air cylinders (508) respectively.

4. The plastic product injection molding apparatus of claim 1, wherein: The mounting rod (603) is fixedly provided with a second air cylinder (605), and the adjusting rod (604) is fixedly connected with the output end of the piston rod of the second air cylinder (605).

5. The injection molding apparatus of claim 1, wherein: First adjusting frames (607) and second adjusting frames (608) are arranged in a cross distribution between the four groups of positioning plates (606) and the adjusting rod (604), and both ends of the first adjusting frame (607) are rotationally connected with the positioning plate (606) and the adjusting rod (604) through pivots.

6. The plastic product injection molding apparatus of claim 5, wherein: The left end of the second adjusting frame (608) is rotationally connected with the mounting rod (603) through a pivot, and the right end of the second adjusting frame (608) is slidably connected with the positioning plate (606) through a pivot.

7. The plastic product injection molding apparatus of claim 1, wherein: The positioning mechanism (6) further comprises four groups of symmetrically formed insertion slots (601) on the back of the mold core (4), four groups of symmetrically distributed clamping grooves (602) are formed in the insertion slots (601), the positioning plates (606) are correspondingly arranged with the clamping grooves (602), the positioning plates (606) are movably clamped with the mold core (4) through the clamping grooves (602), and the four groups of positioning plates (606) are all fixedly installed with rubber suction cups (610).

Images