Injection molding machine with limiting structure

Abstract

The utility model provides an injection molding machine with a limiting structure. Comprising a base, a lifting assembly is arranged on the rear side of the base, an injection molding assembly is arranged at the bottom of the lifting assembly, and limiting assemblies are arranged at the top of the base and located on the left and right sides of the injection molding assembly. According to the injection molding machine with the limiting structure, all parts of the device are arranged in a matched mode, the rotating sleeve is driven to rotate through the handle, the adjusting plate is driven to slide on the inner side of the adjusting frame through the threaded connection relation between the rotating sleeve and the threaded rod, and the adjusting plate drives the limiting piece to be attached to the surface of the fixed tooth block; and meanwhile, an adjusting plate drives a driving plate to move, the driving plate slowly moves towards the surface of a sliding frame and drives the sliding frame to slide on the surface of a sliding rod, so that a limiting rod is inserted into the inner sides of a first positioning hole and a second positioning hole, a clamping block is stably inserted into the inner side of a clamping groove, and it is guaranteed that the fixed mold and the movable mold are aligned and tightly attached.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molding machines, in particular to an injection molding machine with a limiting structure. Background Art

[0002] Injection molding, also known as injection molding, is a molding method that combines injection and molding. The advantages of injection molding are fast production speed, high efficiency, automated operation, a wide variety of colors, shapes from simple to complex, sizes from large to small, and precise product size. The product is easy to update and can be made into complex-shaped parts. Injection molding is suitable for mass production and complex-shaped products and other molding and processing fields.

[0003] In the related art, when using an injection molding machine to process injection molded parts, it is necessary to ensure that the movable mold and the fixed mold are accurately positioned. Usually, after the mold is assembled, they are connected by direct snap-fit ​​extrusion, which can easily cause the movable mold and the fixed mold to be misaligned during extrusion, resulting in reduced injection molding effect of the injection molding machine, and easily causing the molds to not fit closely enough, resulting in the workpiece not meeting the standards.

[0004] Therefore, it is necessary to provide an injection molding machine with a limiting structure to solve the above technical problems. Utility Model Content

[0005] The utility model provides an injection molding machine with a limiting structure, which solves the problem that when using the injection molding machine to process injection molded parts, it is necessary to ensure that the movable mold and the fixed mold are accurately positioned. Usually, after the molds are assembled, they are connected by direct clamping and extrusion, which easily causes the movable mold and the fixed mold to be misaligned during extrusion, resulting in reduced injection molding effect of the injection molding machine. At the same time, it is easy for the molds to not fit closely enough, resulting in the problem that the workpiece does not meet the standards.

[0006] In order to solve the above technical problems, the utility model provides an injection molding machine with a limiting structure, comprising: a base, a lifting assembly is arranged at the rear side of the base, an injection molding assembly is arranged at the bottom of the lifting assembly, and limiting assemblies are arranged at the top of the base and on the left and right sides of the injection molding assembly;

[0007] The lifting assembly comprises a connecting frame arranged at the rear side of the base, a vertical plate is fixedly installed on the top of the connecting frame, a lifting frame is slidably arranged on the front side of the vertical plate, and an electric push rod is fixedly installed on the top of the connecting frame to drive the lifting frame to move up and down;

[0008] The injection molding assembly includes a movable mold arranged at the bottom of the lifting frame, two fixed tooth blocks are fixedly installed on the left and right sides of the movable mold, a plurality of fixed blocks are fixedly installed on the top of the fixed tooth blocks near the left and right sides, a sliding rod is fixedly installed between the two fixed blocks on the same side, and a sliding frame is slidably arranged on the surfaces of the two sliding rods on the same side, two limiting rods are fixedly installed on the adjacent sides of the two sliding frames, and two first fixed blocks are fixedly installed on the front and rear sides of the movable mold, and the first fixed blocks are provided with first positioning holes adapted to the limiting rods on the inner sides;

[0009] The limiting assembly includes an adjustment frame arranged on the top of the base and located on the left and right sides of the movable mold, an adjustment plate is slidably arranged on the inner side of the adjustment frame, and a limiting piece adapted to the fixed gear block is fixedly installed on the side wall of the adjustment plate, a rotating sleeve is rotatably arranged on the side wall of the adjustment frame, a threaded rod is threadedly arranged on the inner side of the rotating sleeve, and one end of the threaded rod passes through the inner side of the adjustment frame and is fixedly connected to the surface of the adjustment plate.

[0010] Preferably, a lifting block is fixedly installed on the rear side of the lifting frame, a lifting slot for the lifting block to move up and down is opened on the front side of the vertical plate, and the bottom of the connecting frame and the bottom of the base are arranged at the same level.

[0011] Preferably, elastic members for driving the sliding frame to slide are arranged on the surfaces of the four fixed blocks near the center and on the outer edges of the sliding rods, and an injection port is arranged on the top of the movable mold.

[0012] Preferably, a fixed mold matched with the movable mold is fixedly installed on the top of the base, second fixed blocks are fixedly installed on both the front and rear sides of the fixed mold, and a clamping block is fixedly installed on the top of the second fixed block.

[0013] Preferably, a clamping groove matched with the clamping block is provided at the bottom of the first fixing block, and a second positioning hole matched with the limiting rod is provided on the inner side of the clamping block.

[0014] Preferably, two handles are fixedly mounted on the surface of the rotating sleeve, and a driving plate is fixedly mounted on the surface of the adjustment plate near the top.

[0015] Compared with the related art, the injection molding machine with a limiting structure provided by the utility model has the following beneficial effects:

[0016] The utility model provides an injection molding machine with a limiting structure. The components of the device are arranged in cooperation with each other. The handle drives the rotating sleeve to rotate, and the threaded connection relationship with the threaded rod drives the adjusting plate to slide on the inner side of the adjusting frame. The adjusting plate drives the limiting piece to fit on the surface of the fixed tooth block to limit the movable mold. At the same time, the adjusting plate drives the driving plate to move, and the driving plate slowly moves toward the surface of the sliding frame and drives the sliding frame to slide on the surface of the sliding rod, so that the limiting rod is inserted into the inner sides of the first positioning hole and the second positioning hole, and the clamping block is stably inserted into the inner side of the clamping groove, thereby ensuring that the fixed mold and the movable mold are aligned and tightly fitted. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A structural schematic diagram of a preferred embodiment of an injection molding machine with a limiting structure provided by the utility model;

[0018] Figure 2 for Figure 1 A schematic diagram of the structure of the side view of the limit assembly shown;

[0019] Figure 3 for Figure 1 A schematic structural diagram of a side view of an injection molding assembly shown;

[0020] Figure 4 for Figure 1 A schematic structural diagram of a side view of the lifting assembly is shown.

[0021] Numbers in the figure: 10, base; 20, lifting assembly; 21, connecting frame; 22, vertical plate; 23, lifting frame; 24, electric push rod; 25, lifting block; 30, injection molding assembly; 31, movable mold; 32, fixed gear block; 33, sliding rod; 34, sliding frame; 35, limiting rod; 36, first fixed block; 37, elastic member; 38, fixed mold; 39, second fixed block; 40, limiting assembly; 41, adjusting frame; 42, adjusting plate; 43, limiting member; 44, rotating sleeve; 45, threaded rod; 46, driving plate. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0023] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 ,in, Figure 1 A structural schematic diagram of a preferred embodiment of an injection molding machine with a limiting structure provided by the utility model; Figure 2 for Figure 1 A schematic diagram of the structure of the side view of the limit assembly shown; Figure 3 for Figure 1 A schematic structural diagram of a side view of an injection molding assembly shown; Figure 4 for Figure 1 An injection molding machine with a limiting structure comprises: a base 10, a lifting assembly 20 is arranged at the rear side of the base 10, an injection molding assembly 30 is arranged at the bottom of the lifting assembly 20, and a limiting assembly 40 is arranged at the top of the base 10 and on the left and right sides of the injection molding assembly 30;

[0024] The lifting assembly 20 includes a connecting frame 21 disposed at the rear side of the base 10, a vertical plate 22 is fixedly mounted on the top of the connecting frame 21, a lifting frame 23 is slidably mounted on the front side of the vertical plate 22, and an electric push rod 24 is fixedly mounted on the top of the connecting frame 21 to drive the lifting frame 23 to move up and down;

[0025] The injection molding assembly 30 includes a movable mold 31 arranged at the bottom of the lifting frame 23, two fixed tooth blocks 32 are fixedly installed on the left and right sides of the movable mold 31, a plurality of fixed blocks are fixedly installed on the top of the fixed tooth blocks 32 near the left and right sides, a sliding rod 33 is fixedly installed between the two fixed blocks on the same side, a sliding frame 34 is slidably arranged on the surfaces of the two sliding rods 33 on the same side, two limiting rods 35 are fixedly installed on the adjacent sides of the two sliding frames 34, two first fixed blocks 36 are fixedly installed on the front and rear sides of the movable mold 31, and first positioning holes adapted to the limiting rods 35 are opened on the inner sides of the first fixed blocks 36;

[0026] When the device is in use, the electric push rod 24 drives the lifting frame 23 to move downward, and the lifting frame 23 drives the lifting block 25 to slide inside the lifting groove, thereby increasing the stability of the lifting frame 23, so that the fixed mold 38 and the movable mold 31 are fitted together. During the movement, the block on the top of the second fixed block 39 is engaged with the slot provided in the first fixed block 36, so that the fixed mold 38 and the movable mold 31 are aligned.

[0027] The limiting assembly 40 includes an adjusting frame 41 disposed on the top of the base 10 and located on the left and right sides of the movable mold 31, an adjusting plate 42 is slidably disposed inside the adjusting frame 41, and a limiting member 43 adapted to the fixed gear block 32 is fixedly installed on the side wall of the adjusting plate 42, and a rotating sleeve 44 is rotatably disposed on the side wall of the adjusting frame 41, and a threaded rod 45 is threadedly disposed inside the rotating sleeve 44, and one end of the threaded rod 45 passes through the inside of the adjusting frame 41 and is fixedly connected to the surface of the adjusting plate 42;

[0028] The handle drives the rotating sleeve 44 to rotate, and through the threaded connection relationship with the threaded rod 45, drives the adjustment plate 42 to slide on the inner side of the adjustment frame 41, and the adjustment plate 42 drives the limit piece 43 to fit on the surface of the fixed gear block 32 to limit the movable mold 31. At the same time, the adjustment plate 42 drives the driving plate 46 to move, and the driving plate 46 slowly moves toward the surface of the sliding frame 34, and drives the sliding frame 34 to slide on the surface of the sliding rod 33, so that the limit rod 35 is inserted into the inner side of the first positioning hole and the second positioning hole, so that the card block is stably inserted into the inner side of the card slot, thereby ensuring that the fixed mold 38 and the movable mold 31 are aligned and tightly fitted.

[0029] A lifting block 25 is fixedly installed on the rear side of the lifting frame 23 , and a lifting slot for the lifting block 25 to move up and down is opened on the front side of the vertical plate 22 . The bottom of the connecting frame 21 and the bottom of the base 10 are arranged at the same level.

[0030] Elastic members 37 for driving the sliding frame 34 to slide are arranged on the surfaces of the four fixed blocks near the center and on the outer edges of the sliding rods 33 , and an injection port is arranged on the top of the movable mold 31 .

[0031] A fixed mold 38 matched with the movable mold 31 is fixedly installed on the top of the base 10 , and second fixed blocks 39 are fixedly installed on both the front and rear sides of the fixed mold 38 , and a clamping block is fixedly installed on the top of the second fixed block 39 .

[0032] A clamping groove matched with the clamping block is formed at the bottom of the first fixing block 36 , and a second positioning hole matched with the limiting rod 35 is formed inside the clamping block.

[0033] Two handles are fixedly mounted on the surface of the rotating sleeve 44 , and a driving plate 46 is fixedly mounted on the surface of the adjusting plate 42 near the top.

[0034] The working principle of the injection molding machine with a limiting structure provided by the utility model is as follows:

[0035] Step 1: When the device is in use, the electric push rod 24 drives the lifting frame 23 to move downward, and the lifting frame 23 drives the lifting block 25 to slide inside the lifting slot to increase the stability of the lifting frame 23, so that the fixed mold 38 and the movable mold 31 are fitted together. During the movement, the block on the top of the second fixed block 39 is engaged with the slot provided in the first fixed block 36, so that the fixed mold 38 and the movable mold 31 are aligned;

[0036] Step 2: The handle drives the rotating sleeve 44 to rotate, and through the threaded connection relationship with the threaded rod 45, drives the adjustment plate 42 to slide on the inner side of the adjustment frame 41, and the adjustment plate 42 drives the limit piece 43 to fit on the surface of the fixed tooth block 32 to limit the movable mold 31. At the same time, the adjustment plate 42 drives the driving plate 46 to move, and the driving plate 46 slowly moves toward the surface of the sliding frame 34, and drives the sliding frame 34 to slide on the surface of the sliding rod 33, so that the limit rod 35 is inserted into the inner side of the first positioning hole and the second positioning hole, so that the card block is stably inserted into the inner side of the card slot, thereby ensuring that the fixed mold 38 and the movable mold 31 are aligned and tightly attached.

[0037] Compared with the related art, the injection molding machine with a limiting structure provided by the utility model has the following beneficial effects:

[0038] Through the mutual coordination of the various parts of the device, the handle drives the rotating sleeve 44 to rotate, and through the threaded connection relationship with the threaded rod 45, the adjusting plate 42 is driven to slide on the inner side of the adjusting frame 41, and the adjusting plate 42 drives the limiting member 43 to fit on the surface of the fixed tooth block 32 to limit the movable mold 31. At the same time, the adjusting plate 42 drives the driving plate 46 to move, and the driving plate 46 slowly moves toward the surface of the sliding frame 34, and drives the sliding frame 34 to slide on the surface of the sliding rod 33, so that the limiting rod 35 is inserted into the inner side of the first positioning hole and the second positioning hole, and the card block is stably inserted into the inner side of the card slot, thereby ensuring that the fixed mold 38 and the movable mold 31 are aligned and tightly fitted.

[0039] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. An injection molding machine with a limiting structure, characterized in that: include: A base (10), wherein a lifting assembly (20) is arranged at the rear side of the base (10), an injection molding assembly (30) is arranged at the bottom of the lifting assembly (20), and a limiting assembly (40) is arranged at the top of the base (10) and on the left and right sides of the injection molding assembly (30); The lifting assembly (20) comprises a connecting frame (21) arranged at the rear side of the base (10), a vertical plate (22) is fixedly installed on the top of the connecting frame (21), a lifting frame (23) is slidably arranged on the front side of the vertical plate (22), and an electric push rod (24) is fixedly installed on the top of the connecting frame (21) for driving the lifting frame (23) to move up and down; The injection molding assembly (30) comprises a movable mold (31) arranged at the bottom of the lifting frame (23), two fixed tooth blocks (32) are fixedly installed on the left and right sides of the movable mold (31), a plurality of fixed blocks are fixedly installed on the top of the fixed tooth blocks (32) near the left and right sides, a sliding rod (33) is fixedly installed between the two fixed blocks on the same side, a sliding frame (34) is slidably arranged on the surfaces of the two sliding rods (33) on the same side, two limiting rods (35) are fixedly installed on the adjacent sides of the two sliding frames (34), two first fixed blocks (36) are fixedly installed on the front and rear sides of the movable mold (31), and first positioning holes adapted to the limiting rods (35) are provided on the inner sides of the first fixed blocks (36); The limiting assembly (40) comprises an adjusting frame (41) arranged on the top of the base (10) and located on the left and right sides of the movable mold (31); an adjusting plate (42) is slidably arranged on the inner side of the adjusting frame (41); a limiting member (43) adapted to the fixed tooth block (32) is fixedly installed on the side wall of the adjusting plate (42); a rotating sleeve (44) is rotatably arranged on the side wall of the adjusting frame (41); a threaded rod (45) is threadedly arranged on the inner side of the rotating sleeve (44); one end of the threaded rod (45) passes through the inner side of the adjusting frame (41) and is fixedly connected to the surface of the adjusting plate (42).

2. The injection molding machine with a limiting structure according to claim 1, characterized in that: A lifting block (25) is fixedly mounted on the rear side of the lifting frame (23), a lifting slot for the lifting block (25) to move up and down is provided on the front side of the vertical plate (22), and the bottom of the connecting frame (21) is arranged at the same level as the bottom of the base (10).

3. The injection molding machine with a limiting structure according to claim 1, characterized in that: Elastic parts (37) for driving the sliding frame (34) to slide are arranged on the surfaces of the four fixed blocks near the center and located on the outer edges of the sliding rod (33), and an injection port is arranged at the top of the movable mold (31).

4. The injection molding machine with a limiting structure according to claim 1, characterized in that: A fixed mold (38) adapted to the movable mold (31) is fixedly mounted on the top of the base (10), second fixed blocks (39) are fixedly mounted on both the front and rear sides of the fixed mold (38), and a clamping block is fixedly mounted on the top of the second fixed block (39).

5. The injection molding machine with a limiting structure according to claim 4, characterized in that: The bottom of the first fixing block (36) is provided with a slot matched with the clamping block, and the inner side of the clamping block is provided with a second positioning hole matched with the limiting rod (35).

6. The injection molding machine with a limiting structure according to claim 1, characterized in that: Two handles are fixedly mounted on the surface of the rotating sleeve (44), and a driving plate (46) is fixedly mounted on the surface of the adjusting plate (42) near the top.

Images