Injection mold frame capable of improving stability

Abstract

The utility model discloses an injection mould frame capable of improving stability, which belongs to the technical field of injection mould frames, and comprises an upper mould frame, a lower mould frame and a guide mechanism, the guide mechanism comprises a hydraulic rod and a plurality of guide rods, the guide rods are fixedly arranged on the lower mould frame, the lower mould frame is connected with a fixed plate, and the fixed plate is connected with the hydraulic rod. A fixing hole is formed in the fixing plate, the guide rod is inserted into the fixing hole, a connecting hole is formed in the upper die frame, the guide rod penetrates through the fixing hole to be inserted into the connecting hole, the two hydraulic rods are arranged on the fixing plate in a mirror image mode, a fixing ring is fixedly arranged on the upper die frame, the hydraulic rods are sleeved with the fixing ring, and the hydraulic rods are fixedly connected with a limiting plate. The limiting plate abuts against the fixing ring, a lifting rod is fixedly arranged on the fixing plate, a receding block is fixedly arranged on the upper mold frame, a receding hole is formed in the receding block, the lifting rod is sleeved with the receding hole, a fixing block is fixedly arranged on the lifting rod, and the fixing block abuts against the receding block. The injection mold frame has the advantage that the stability of the injection mold frame is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of injection mold frames, in particular to an injection mold frame with improved stability. Background Art

[0002] Injection molding machine is also called injection molding machine or injection machine. It is the main molding equipment that uses plastic molding molds to make plastic products of various shapes from thermoplastics or thermosetting plastics. The mold frame is the support of the mold. The various parts of the mold are combined and fixed according to a certain rule and position, and the part that enables the mold to be installed on the injection molding machine is called the mold frame.

[0003] The common injection mold frame now consists of an ejection mechanism, a guide mechanism, a pre-reset mechanism, a mold foot pad, and a seat plate. After the plastic rice is heated and melted by the injection molding machine, it is injection molded with the cooperation of the various components of the injection mold frame.

[0004] Regarding the above technical conditions, there is also a guide mechanism on the injection mold frame to enable the upper mold frame and the lower mold frame of the injection mold frame to be accurately aligned when the mold is closed. However, the stability of the guide mechanism of the injection mold frame is not good enough, resulting in the defect that the alignment between the upper mold frame and the lower mold frame is not very accurate.

[0005] Based on this, the utility model designs an injection mold frame with improved stability to solve the above problems. Utility Model Content

[0006] The utility model aims to provide an injection mold frame with improved stability to solve the above technical problems.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an injection mold frame with improved stability, comprising an upper mold frame, a lower mold frame and a guide mechanism, wherein the upper mold frame is arranged above the lower mold frame, the guide mechanism is arranged on the upper mold frame, the guide mechanism is connected to the lower mold frame, the guide mechanism comprises a hydraulic rod and a guide rod, the guide rod is fixedly arranged on the lower mold frame, a plurality of guide rods are arranged on the lower mold frame, the lower mold frame is connected to a fixing plate, a fixing hole is opened on the fixing plate, the guide rod is inserted into the fixing hole, the upper mold frame is opened with a connecting hole, and the guide rod passes through the fixing hole. The hole is inserted in the connecting hole, and two hydraulic rods are mirror-imaged on the fixed plate. A fixing ring is fixedly arranged on the upper mold frame, and the fixing ring is sleeved on the hydraulic rod. The hydraulic rod is fixedly connected to a limiting plate, and the limiting plate abuts against the fixing ring. The fixing ring is between the fixing plate and the limiting plate. A plurality of lifting rods are fixedly arranged on the fixed plate, and a giving block is fixedly arranged on the upper mold frame. The giving block has a giving hole, and the giving hole is sleeved on the lifting rod. A fixing block is fixedly arranged on the lifting rod, and the fixing block abuts against the giving block, and the giving block is between the fixing plate and the fixing block.

[0008] Preferably, the clearance hole is a square hole, and the shape of the outer side wall of the lifting rod is compatible with the shape of the clearance hole.

[0009] Preferably, a plug-in ring is fixedly provided on the connecting hole, and a plug-in groove is provided on a side of the fixing hole close to the upper mold frame, and the plug-in ring is plugged into the plug-in groove.

[0010] Preferably, a mounting hole is provided on the give-way block, two mounting holes are arranged on the give-way block, the give-way hole is between the two mounting holes, a buffer spring is fixedly arranged in the mounting hole, the spring extends out of the mounting hole, and the buffer spring is between the fixed block and the give-way block.

[0011] Preferably, a square tube sleeve is fixedly provided on the outer side wall of the hydraulic rod, and the fixing ring is plugged into the square tube sleeve.

[0012] In summary, the present application has the following beneficial technical effects: when the upper mold frame and the lower mold frame are closed and aligned, the upper mold frame is pressed down to approach the lower mold frame, and the top of the upper mold frame is pressed against the fixed block and the limit plate. As the upper mold frame is pressed down, the fixed ring and the clearance block move downward on the hydraulic rod and the lifting rod respectively, and the hydraulic rod and the lifting rod are compressed. When the length of the hydraulic rod and the retracting rod are compressed to the shortest, the upper mold frame is pressed against the fixed plate, and the guide rod is inserted into the connecting hole, and the upper mold frame continues to be pressed down, and the fixed plate and the upper mold frame move downward along the guide rod, and the upper mold frame is finally closed on the lower mold frame. At this time, under the action of the guide rod, the hydraulic rod and the lifting rod, the upper mold frame moves more stably during the downward pressing process, and the closing and alignment of the upper mold frame and the lower mold frame are more precise, thereby achieving the effect of improving the stability of the injection mold frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0014] Figure 1 This is a schematic diagram of the structure of the injection mold frame of this embodiment;

[0015] Figure 2 This is a schematic structural diagram of the upper mold frame of the injection mold frame of this embodiment being opened;

[0016] Figure 3 This is a schematic structural diagram of the upper mold frame and the lower mold frame of the injection mold frame of this embodiment being opened;

[0017] Figure 4 This is a schematic structural diagram of the upper mold frame and the lower mold frame of the injection mold frame of this embodiment being opened.

[0018] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0019] 1. Fixed block; 2. Lifting rod; 3. Buffer spring; 4. Clearance block; 5. Mounting hole; 6. Clearance hole; 7. Lower mold frame; 8. Fixed plate; 9. Fixed ring; 10. Square pipe sleeve; 11. Limit plate; 12. Upper mold frame; 13. Plug-in groove; 14. Guide rod; 15. Plug-in ring; 16. Fixed hole; 17. Connecting hole; 18. Hydraulic rod. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] The following is combined with Figure 1-4 This application is described in further detail.

[0022] An injection mold frame with improved stability includes an upper mold frame 12, a lower mold frame 7 and a guide mechanism. The upper mold frame 12 is arranged above the lower mold frame 7, and the guide mechanism is arranged on the upper mold frame 12. The guide mechanism is connected to the lower mold frame 7. When the upper mold frame 12 is molded to the mold frame, the guide mechanism plays a guiding role, so that the upper mold frame 12 can be accurately molded with the lower mold frame 7.

[0023] The guide mechanism includes a hydraulic rod 18 and a guide rod 14. The guide rod 14 is fixedly arranged on the lower mold frame 7. A plurality of guide rods 14 are arranged on the lower mold frame 7. A fixing plate 8 is arranged on the lower mold frame 7. The fixing plate 8 is between the upper mold frame 12 and the lower mold frame 7. A fixing hole 16 is provided on the fixing plate 8. The guide rod 14 is inserted into the fixing hole 16. A connecting hole 17 is provided on one side of the upper mold frame 12 close to the fixing plate 8. The guide rod 14 passes through the fixing hole 16 and is inserted into the connecting hole 17.

[0024] Two hydraulic rods 18 are mirror-imaged on the fixed plate 8, a fixed ring 9 is sleeved on the hydraulic rod 18, and the fixed ring 9 is fixedly set on the upper mold frame 12. A limiting plate 11 is fixedly set on one end of the hydraulic rod 18 close to the upper mold frame 12, and the fixing ring 9 is between the limiting plate 11 and the fixed plate 8, and the limiting plate 11 abuts against the fixing ring 9.

[0025] A lifting rod 2 is fixedly arranged on the fixed plate 8, and a plurality of lifting rods 2 are arranged on the fixed plate 8. A clearance block 4 is fixedly arranged on the upper mold frame 12, and a clearance hole 6 is opened on the clearance block 4. The clearance hole 6 is sleeved on the lifting rod 2, and the clearance hole 6 is a square hole. The shape of the outer wall of the lifting rod 2 is adapted to the shape of the clearance hole 6. When the clearance block 4 moves up and down on the lifting rod 2, the shape of the clearance hole 6 makes it difficult for the upper mold frame 12 to shift.

[0026] A fixed block 1 is fixedly arranged at one end of the lifting rod 2 away from the lower mold frame 7, and the fixed block 1 abuts against the side of the displacement block 4 away from the lower mold frame 7. The fixed block 1 prevents the displacement block 4 from falling off the lifting rod 2 when the fixing ring 9 moves up and down on the lifting rod 2.

[0027] A plug-in ring 15 is fixedly provided on the connecting hole 17, and a plug-in groove 13 is provided on the side of the fixing hole 16 close to the upper mold frame 12. The plug-in ring 15 is plugged into the plug-in groove 13. When the upper mold frame 12 and the lower mold frame 7 are molded together, the setting of the plug-in ring 15 and the plug-in groove 13 makes the molding of the upper mold frame 12 and the lower mold frame 7 more precise.

[0028] A mounting hole 5 is provided on the side of the clearance block 4 away from the lower mold frame 7. Two mounting holes 5 are provided on the clearance block 4. The clearance hole 6 is between the two mounting holes 5. A buffer spring 3 is fixedly provided in the mounting hole 5. The buffer spring 3 extends out of the mounting hole 5. When the fixed block 1 abuts against the clearance block 4, the buffer spring 3 abuts against the fixed block 1, and the buffer spring 3 is compressed. The buffer spring 3 plays a role in buffering the impact force of the fixed block 1 on the clearance block 4.

[0029] A square sleeve 10 is fixedly provided on the outer side wall of the hydraulic rod 18 . The square sleeve 10 is integrally formed with the outer side wall of the hydraulic rod 18 . The fixing ring 9 is inserted into the square sleeve 10 . The square sleeve 10 makes the movement of the fixing ring 9 on the hydraulic rod 18 more stable.

[0030] The implementation principle of this embodiment is as follows: when the upper mold frame 12 and the lower mold frame 7 are molded and aligned, the upper mold frame 12 presses down to approach the lower mold frame 7, and the top of the upper mold frame 12 is pressed against the fixed block 1 and the limit plate 11. As the upper mold frame 12 is pressed down, the fixed ring 9 and the stop block 4 move downward on the hydraulic rod 18 and the lifting rod 2 respectively, and the hydraulic rod 18 and the lifting rod 2 are compressed. When the length of the hydraulic rod 18 and the shrinkage rod is compressed to the shortest, the upper mold frame 12 is pressed against the fixed plate 8, and the guide rod 14 is inserted into the connecting hole 17, and the upper mold frame 12 continues to be pressed down. The fixed plate 8 and the upper mold frame 12 move downward along the guide rod 14, and the upper mold frame 12 is finally molded on the lower mold frame 7. At this time, under the action of the guide rod 14, the hydraulic rod 18 and the lifting rod 2, the movement of the upper mold frame 12 during the downward pressing process is more stable, and the mold alignment of the upper mold frame 12 and the lower mold frame 7 is more accurate, thereby achieving the effect of improving the stability of the injection mold frame.

[0031] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0032] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An injection mold frame with improved stability, comprising an upper mold frame (12), a lower mold frame (7) and a guide mechanism, characterized in that: The upper mold frame (12) is arranged above the lower mold frame (7); the guide mechanism is arranged on the upper mold frame (12); the guide mechanism is connected to the lower mold frame (7); the guide mechanism comprises a hydraulic rod (18) and a guide rod (14); the guide rod (14) is fixedly arranged on the lower mold frame (7); a plurality of guide rods (14) are arranged on the lower mold frame (7); the lower mold frame (7) is connected to a fixing plate (8); a fixing hole (16) is provided on the fixing plate (8); the guide rod (14) is inserted into the fixing hole (16); the upper mold frame (12) is provided with a connecting hole (17); the guide rod (14) passes through the fixing hole (16) and is inserted into the connecting hole (17); the hydraulic rod (18) is mirror-arranged on the fixing plate (8); There are two, the upper mold frame (12) is fixedly provided with a fixing ring (9), the fixing ring (9) is sleeved on the hydraulic rod (18), the hydraulic rod (18) is fixedly connected to the limiting plate (11), the limiting plate (11) abuts against the fixing ring (9), the fixing ring (9) is between the fixing plate (8) and the limiting plate (11), a plurality of lifting rods (2) are fixedly provided on the fixing plate (8), the upper mold frame (12) is fixedly provided with a clearance block (4), the clearance block (4) is provided with a clearance hole (6), the clearance hole (6) is sleeved on the lifting rod (2), the lifting rod (2) is fixedly provided with a fixing block (1), the fixing block (1) abuts against the clearance block (4), and the clearance block (4) is between the fixing plate (8) and the fixing block (1).

2. The injection mold frame with improved stability according to claim 1, characterized in that: The clearance hole (6) is a square hole, and the shape of the outer side wall of the lifting rod (2) is compatible with the shape of the clearance hole (6).

3. The injection mold frame with improved stability according to claim 1, characterized in that: A plug-in ring (15) is fixedly arranged on the connection hole (17), and a plug-in groove (13) is provided on a side of the fixing hole (16) close to the upper mold frame (12), and the plug-in ring (15) is plugged into the plug-in groove (13).

4. The injection mold frame with improved stability according to claim 1, characterized in that: The give-way block (4) is provided with a mounting hole (5), two mounting holes (5) are provided on the give-way block (4), the give-way hole (6) is between the two mounting holes (5), a buffer spring (3) is fixedly provided in the mounting hole (5), the spring extends outside the mounting hole (5), and the buffer spring (3) is between the fixed block (1) and the give-way block (4).

5. The injection mold frame with improved stability according to claim 1, characterized in that: A square pipe sleeve (10) is fixedly arranged on the outer side wall of the hydraulic rod (18), and the fixing ring (9) is inserted into the square pipe sleeve (10).

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