Clamping device for an injection molding machine

Abstract

This utility model relates to a clamping device for injection molding machines, belonging to the technical field of injection molding machine auxiliary equipment. It includes a mounting slot, with a sliding base slidably mounted inside the mounting slot. A supporting arm is fixedly mounted on the top of the sliding base. A rotating block is rotatably mounted on one side of the supporting arm. Three clamping arms are fixedly mounted on the surface of the rotating block. A clamping base is provided at one end of each clamping arm, and a cooling component is provided on the other side of the supporting arm. This clamping device for injection molding machines, by mounting three clamping arms on one side of the supporting arm via the rotating block, creates an extra space between the mold and the placement position when the workpiece is removed. A fan is installed on one side of a fixed disc, blowing airflow onto the workpiece to cool it during the process of removing and placing it down, facilitating subsequent processing by the operator.

Description

Technical Field

[0001] This utility model relates to the technical field of auxiliary equipment for injection molding machines, specifically a clamping device for injection molding machines. Background Technology

[0002] An injection molding machine is an automated device that melts thermoplastic or thermosetting plastics, injects them under high pressure into a mold cavity, and then cools and solidifies them to form plastic products. Through screw rotation and a heating coil, plastic granules are uniformly heated to a molten state. The screw injects the molten plastic into a closed mold at high speed and high pressure, ensuring defect-free filling. The mold temperature is maintained to allow the plastic to solidify and form a stable shape. The molded product is then ejected from the mold by an ejector device, completing the production cycle.

[0003] A clamping device is needed during the use of an injection molding machine to remove the molded workpiece from the mold. Utility model patent CN221187404U discloses a clamping device for an injection molding machine, including a base, a shaft seat, a column, a crossbeam, an electric slide rail, an electric slide block, a first electric telescopic rod, a mounting plate, a three-jaw clamp, and a horizontal rotation mechanism, all located beside the injection molding machine. The shaft seat is fixedly installed on the top of the base, the column is rotatably mounted on the shaft seat, the crossbeam is fixedly installed on the top of the column, the electric slide rail is fixedly installed on the bottom of the crossbeam, the electric slide block is slidably mounted on the electric slide rail, and the first electric telescopic rod is fixedly installed on the bottom of the electric slide block. This utility model has the following advantages and effects: the three-jaw clamp can reliably clamp the injection-molded workpiece, and it is applicable to reliably clamping injection-molded workpieces of different shapes. Furthermore, it allows for multi-directional transfer of the clamped injection-molded workpiece as needed, better meeting usage requirements.

[0004] However, after the clamping device used in the injection molding machine removes the molded workpiece, the workpiece temperature remains very high, which is not conducive to subsequent processing by the operator. Therefore, a clamping device for injection molding machines is proposed to solve the problems mentioned above. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a clamping device for injection molding machines, which has the advantages of cooling the workpiece before it is placed down, facilitating subsequent processing by operators, and solving the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A clamping device for an injection molding machine includes a mounting slot, a sliding base slidably mounted inside the mounting slot, a support arm fixedly mounted on the top of the sliding base, a rotating block rotatably mounted on one side of the support arm, three clamping arms fixedly mounted on the surface of the rotating block, a clamping base provided at one end of each clamping arm, and a cooling assembly provided on the other side of the support arm.

[0008] The cooling assembly includes a fixed disc fixedly installed on one side of the support arm. A mounting cylinder aligned with the clamping base is inserted through one side of the fixed disc. A mounting mesh plate is fixedly installed inside the mounting cylinder. A fan is rotatably installed on one side of the mounting mesh plate. A motor is fixedly installed on the other side of the mounting mesh plate. The output shaft of the motor is fixedly connected to the fan.

[0009] Furthermore, a shifting motor is fixedly installed on one side of the fixed disc, and the output shaft of the shifting motor is fixedly connected to one side of the rotating block.

[0010] Furthermore, a proximity cylinder is fixedly installed on one side of the clamping arm, and the movable end of the proximity cylinder is fixedly connected to the clamping base.

[0011] Furthermore, the clamping base has three clamping slots on one side, and a clamping electric cylinder is fixedly installed inside the clamping slot.

[0012] Furthermore, a clamping plate is fixedly installed on the movable end of the clamping electric cylinder, and an anti-slip pad is fixedly installed on one side of the clamping plate.

[0013] Furthermore, a movable screw is rotatably mounted on the inner side wall of the mounting slot, and the movable screw is threadedly connected to the sliding base.

[0014] Furthermore, a movable motor is fixedly installed on one side of the mounting slot, and the output shaft of the movable motor is fixedly connected to one end of the movable screw.

[0015] Furthermore, a battery box is fixedly installed on one side of the clamping arm, and the output end of the battery box is electrically connected to the proximity cylinder and the clamping cylinder.

[0016] Compared with the prior art, the present invention provides a clamping device for injection molding machines, which has the following advantages:

[0017] The clamping device used in this injection molding machine features three clamping arms mounted on one side of the supporting arm via a rotating block. This creates an extra space between the mold and the placement position when the workpiece is removed. A fan is installed on one side of the fixed disc, blowing airflow onto the workpiece to cool it down during the process of removing and placing it down. This facilitates subsequent processing by the operator and solves the problem of common clamping devices used in injection molding machines where the workpiece remains hot after being clamped, hindering subsequent processing. Attached Figure Description

[0018] Figure 1 This is a front sectional view of the structure of this utility model;

[0019] Figure 2 This is a side sectional view of the structure of this utility model;

[0020] Figure 3 This is a side view of the clamping base of this utility model;

[0021] Figure 4 This is a three-dimensional view of the fixed disc of this utility model.

[0022] In the diagram: 1. Mounting slot; 2. Sliding base; 3. Support arm; 4. Rotating block; 5. Clamping arm; 6. Clamping base; 7. Fixed disc; 8. Mounting cylinder; 9. Mounting mesh plate; 10. Fan; 11. Motor; 12. Positioning motor; 13. Proximity cylinder; 14. Clamping slot; 15. Clamping cylinder; 16. Clamping plate; 17. Anti-slip pad; 18. Moving screw; 19. Moving motor; 20. Battery box. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figures 1 to 4This embodiment of a clamping device for an injection molding machine includes a mounting slot 1. A sliding base 2 is slidably mounted inside the mounting slot 1. A support arm 3 is fixedly mounted on the top of the sliding base 2. A rotating block 4 is rotatably mounted on one side of the support arm 3. Three clamping arms 5 are fixedly mounted on the surface of the rotating block 4. A clamping base 6 is provided at one end of each clamping arm 5. A cooling component is provided on the other side of the support arm 3. When the rotating block 4 rotates, it drives the three clamping arms 5 to rotate, causing the three clamping bases 6 to change position, creating an additional waiting position between the mold and the placement position, thus increasing the cooling time.

[0025] The cooling assembly includes a fixed disc 7 fixedly mounted on one side of the support arm 3. A mounting cylinder 8, aligned with the clamping base 6, passes through one side of the fixed disc 7. A mounting mesh plate 9 is fixedly mounted inside the mounting cylinder 8. A fan 10 is rotatably mounted on one side of the mounting mesh plate 9, and a motor 11 is fixedly mounted on the other side of the mounting mesh plate 9. The output shaft of the motor 11 is fixedly connected to the fan 10. The motor 11 drives the fan 10 to rotate, causing airflow to blow towards the clamping base 6, cooling the workpiece and preventing it from overheating and affecting subsequent processing by the operator.

[0026] Specifically, the rotating block 4 rotates, causing the three clamping arms 5 to rotate, which in turn causes the three clamping bases 6 to change position, creating an additional waiting position between the mold and the placement position, thus increasing the cooling time. At the same time, the motor 11 drives the fan 10 to rotate, causing airflow to blow towards the clamping base 6 to cool the workpiece.

[0027] Please see Figure 1 and Figure 3 In this embodiment, a shifting motor 12 is fixedly installed on one side of the fixed disk 7, and the output shaft of the shifting motor 12 is fixedly connected to one side of the rotating block 4. When the shifting motor 12 is started once, it drives the rotating block 4 to rotate 120 degrees, so that the three clamping bases 6 are shifted once.

[0028] A proximity cylinder 13 is fixedly installed on one side of the clamping arm 5, and the movable end of the proximity cylinder 13 is fixedly connected to the clamping base 6. The proximity cylinder 13 drives the clamping base 6 to move closer to and away from the mold.

[0029] Meanwhile, three clamping slots 14 are provided on one side of the clamping base 6, and a clamping electric cylinder 15 is fixedly installed inside the clamping slot 14.

[0030] The clamping electric cylinder 15 has a clamping plate 16 fixedly installed on its movable end, and an anti-slip pad 17 is fixedly installed on one side of the clamping plate 16. The clamping electric cylinder 15 drives the clamping plate 16 to move, which in turn drives the anti-slip pad 17 to move, clamping the workpiece between the three clamping plates 16.

[0031] Please see Figure 1 and Figure 2 In this embodiment, a movable screw 18 is rotatably mounted on the inner side wall of the mounting slot 1, and the movable screw 18 is threadedly connected to the sliding base 2.

[0032] A movable motor 19 is fixedly installed on one side of the mounting slot 1, and the output shaft of the movable motor 19 is fixedly connected to one end of the movable screw 18. The movable motor 19 drives the movable screw 18 to rotate, which in turn drives the sliding base 2 to move, and then drives the clamping base 6 to move to align with the mold.

[0033] Secondly, a battery box 20 is fixedly installed on one side of the clamping arm 5. The output end of the battery box 20 is electrically connected to the proximity cylinder 13 and the clamping cylinder 15. Batteries are placed in the battery box 20 to power the proximity cylinder 13 and the clamping cylinder 15, avoiding the wires from getting tangled due to external power supply.

[0034] The working principle of the above embodiment is as follows: the rotating block 4 rotates, which drives the three clamping arms 5 to rotate, and drives the three clamping bases 6 to change position, creating an additional waiting position between the mold and the placement position, increasing the cooling time. At the same time, the motor 11 drives the fan 10 to rotate, which drives the airflow to blow towards the clamping base 6.

[0035] The installation, connection, or setting methods disclosed in this embodiment are all common mechanical connection methods, and any method that achieves the desired beneficial effect can be implemented. Furthermore, all electrical components in this embodiment are electrically connected to the main controller and power supply. The main controller can be a conventional, known device such as a computer that performs control functions. Those skilled in the art can control the electrical components through simple programming, and the existing disclosed power connection technologies are common knowledge in the field. Therefore, this embodiment will not elaborate further on their specific structural composition and working principles.

[0036] It should be noted that the orientations or positional relationships indicated herein are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the purpose of facilitating the description of this application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0037] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0038] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A clamping device for an injection molding machine, comprising a mounting slot (1), characterized in that: A sliding base (2) is slidably installed inside the mounting slot (1). A support arm (3) is fixedly installed on the top of the sliding base (2). A rotating block (4) is rotatably installed on one side of the support arm (3). Three clamping arms (5) are fixedly installed on the surface of the rotating block (4). A clamping base (6) is provided at one end of the clamping arm (5). A cooling component is provided on the other side of the support arm (3). The cooling assembly includes a fixed disc (7) fixedly installed on one side of the support arm (3). A mounting cylinder (8) aligned with the clamping base (6) is provided on one side of the fixed disc (7). A mounting mesh plate (9) is fixedly installed inside the mounting cylinder (8). A fan (10) is rotatably installed on one side of the mounting mesh plate (9). A motor (11) is fixedly installed on the other side of the mounting mesh plate (9). The output shaft of the motor (11) is fixedly connected to the fan (10).

2. The clamping device for an injection molding machine according to claim 1, characterized in that: A shift motor (12) is fixedly installed on one side of the fixed disc (7), and the output shaft of the shift motor (12) is fixedly connected to one side of the rotating block (4).

3. The clamping device for an injection molding machine according to claim 1, characterized in that: A proximity cylinder (13) is fixedly installed on one side of the clamping arm (5), and the movable end of the proximity cylinder (13) is fixedly connected to the clamping base (6).

4. The clamping device for an injection molding machine according to claim 3, characterized in that: The clamping base (6) has three clamping slots (14) on one side, and a clamping electric cylinder (15) is fixedly installed inside the clamping slot (14).

5. A clamping device for an injection molding machine according to claim 4, characterized in that: The clamping electric cylinder (15) has a clamping plate (16) fixedly installed on its movable end, and an anti-slip pad (17) is fixedly installed on one side of the clamping plate (16).

6. A clamping device for an injection molding machine according to claim 1, characterized in that: The inner wall of the mounting slot (1) is rotatably mounted with a movable screw (18), which is threadedly connected to the sliding base (2).

7. A clamping device for an injection molding machine according to claim 6, characterized in that: A movable motor (19) is fixedly installed on one side of the mounting slot (1), and the output shaft of the movable motor (19) is fixedly connected to one end of the movable screw (18).

8. A clamping device for an injection molding machine according to claim 4, characterized in that: A battery box (20) is fixedly installed on one side of the clamping arm (5), and the output end of the battery box (20) is electrically connected to the proximity cylinder (13) and the clamping cylinder (15).

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