A device for cutting residual material after injection molding of automobile injection molded parts

Abstract

The utility model relates to the technical field of automobile injection molding, and specifically to a device for cutting residual materials after injection molding of automobile injection molding parts, which is convenient for workers to perform cutting work and reduces the fatigue degree of hands of workers. The utility model comprises an operating handle, a cutting knife is detachably installed at the bottom of the operating handle, a connecting block is fixedly arranged on the side wall of the operating handle, a lead screw is connected to the connecting block through a thread, a mounting frame is rotatably connected to the bottom of the lead screw, a connecting shaft is arranged on the mounting frame, a roller is rotatably installed on the connecting shaft, the operating handle and the cutting knife are detachably installed through bolts and nuts, a connecting groove for installing bolts is arranged on the cutting knife, a mounting hole for the bolts to pass through is arranged on the operating handle, a mounting groove matching the cutting knife is arranged on the operating handle, a plurality of positioning pins are arranged on the operating handle, a plurality of positioning holes matching the positioning pins are arranged on the cutting knife, a sliding groove matching the connecting shaft is arranged on the operating handle, and one end of the connecting shaft extends into the sliding groove.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile injection molding, in particular to a device for cutting residual material after injection molding of automobile injection molding parts. Background Art

[0002] As we all know, automotive molds are the general term for molds used to manufacture all parts of a car, such as stamping molds, injection molds, forging molds, casting wax molds, glass molds, etc. The advantages of the injection molding method of injection molds are fast production speed, high efficiency, and automated operation.

[0003] After the injection molding is completed, there will be residual material at the edge of the injection molded part. At this time, the staff needs to cut off the residual material at the edge of the injection molded part. When cutting, the staff needs to use a tool for cutting, but the existing tool has a simple structure. During the cutting process, the staff needs to hold the tool by hand and keep the tool at a corresponding height, and then use the tool to cut along the edge of the injection molded part. Therefore, during the cutting process, the staff needs to keep the tool at a corresponding height, and the staff's hands will be very tired after a long time. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a device for cutting residual material after injection molding of automobile injection molded parts, which is convenient for workers to perform cutting work and reduces the fatigue of the workers' hands.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for cutting residual material after injection molding of automobile injection molded parts, comprising an operating handle, a cutting knife is detachably installed on the bottom of the operating handle, a connecting block is fixedly arranged on the side wall of the operating handle, a lead screw is threadedly connected to the connecting block, a mounting frame is rotatably connected to the bottom of the lead screw, a connecting shaft is arranged on the mounting frame, and a roller is rotatably installed on the connecting shaft.

[0008] Furthermore, the operating handle and the cutting knife are detachably mounted via bolts and nuts, the cutting knife is provided with a connecting groove for mounting the bolt, and the operating handle is provided with a mounting hole for the bolt to pass through.

[0009] Furthermore, the operating handle is provided with a mounting groove matching the cutting knife.

[0010] Furthermore, the operating handle is provided with a plurality of positioning pins, and the cutting knife is provided with a plurality of positioning holes matching the positioning pins.

[0011] Furthermore, the operating handle is provided with a slide groove matching the connecting shaft, and one end of the connecting shaft extends into the slide groove.

[0012] Furthermore, the slide groove passes through the operating handle, one end of the connecting shaft passes through the slide groove, and a limiting block is arranged at one end of the connecting shaft, and the diameter of the limiting block is greater than the width of the slide groove.

[0013] Furthermore, the lead screw is provided with a rotating assembly for rotating the lead screw.

[0014] Furthermore, the outside of the roller is wrapped with a rubber sleeve.

[0015] Furthermore, a scale is provided on the outer wall of the operating handle.

[0016] (III) Beneficial effects

[0017] Compared with the prior art, the utility model provides a device for cutting residual material after injection molding of automobile injection molded parts, which has the following beneficial effects:

[0018] 1. A device for cutting residual material after injection molding of automobile injection molding parts, through the arrangement of a mounting frame, a connecting shaft and a roller, the roller is placed above the edge of the injection molding part, and the roller is used to support the operating handle and the cutting knife. The staff only needs to pull the operating handle along the edge of the injection molding part, and the cutting knife cuts the edge of the injection molding machine. The staff does not need to keep the cutting knife at a certain height by hand (no need to hold the knife by hand all the time), so it is convenient for the staff to perform cutting work and reduces the fatigue of the staff's hands;

[0019] 2. The device for cutting the residual material after the automobile injection molding parts is provided with a lead screw, and the height of the roller can be adjusted by rotating the lead screw, so the device can be suitable for injection molding parts of different heights, thereby improving the practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the first three-dimensional structure of the utility model;

[0021] Figure 2 It is a second three-dimensional structural schematic diagram of the utility model;

[0022] Figure 3 It is a schematic diagram of the exploded three-dimensional structure of the utility model;

[0023] Figure 4 It is a three-dimensional structural schematic diagram of the roller of the utility model.

[0024] In the figure: 1. operating handle; 2. cutting knife; 3. connecting block; 4. lead screw; 5. mounting bracket; 6. connecting shaft; 7. roller; 8. rotating assembly; 9. mounting groove; 10. positioning pin; 11. positioning hole; 12. mounting hole; 13. connecting groove; 14. bolt; 15. nut; 16. slide groove; 17. limit block; 18. anti-slip handle. DETAILED DESCRIPTION

[0025] 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 in 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.

[0026] See also Figure 1-4 The utility model discloses a device for cutting residual material after injection molding of automobile injection molded parts, comprising an operating handle 1, a cutting knife 2 is detachably mounted on the bottom of the operating handle 1, a connecting block 3 is fixedly mounted on the side wall of the operating handle 1, a lead screw 4 is threadedly connected to the connecting block 3, a mounting frame 5 is rotatably connected to the bottom of the lead screw 4, a connecting shaft 6 is arranged on the mounting frame 5, and a roller 7 is rotatably mounted on the connecting shaft 6.

[0027] The operating handle 1 and the cutting blade 2 are detachably mounted via bolts 14 and nuts 15 . The cutting blade 2 is provided with a connecting groove 13 for mounting the bolt 14 , and the operating handle 1 is provided with a mounting hole 12 for the bolt 14 to pass through.

[0028] In the first method of positioning the cutting blade 2 , the operating handle 1 is provided with a mounting groove 9 matching the cutting blade 2 .

[0029] The second method for positioning the cutting blade 2 is that a plurality of positioning pins 10 are provided on the operating handle 1 , and a plurality of positioning holes 11 matching with the positioning pins 10 are provided on the cutting blade 2 .

[0030] In the first matching mode of the slide groove 16 and the connecting shaft 6, a slide groove 16 matching the connecting shaft 6 is provided on the operating handle 1, one end of the connecting shaft 6 extends into the slide groove 16, the slide groove 16 may pass through the operating handle 1, or the slide groove 16 may not pass through the operating handle 1.

[0031] The second way of matching the slide groove 16 and the connecting shaft 6 is that the slide groove 16 passes through the operating handle 1, one end of the connecting shaft 6 passes through the slide groove 16, and a limit block 17 is set at one end of the connecting shaft 6. The diameter of the limit block 17 is greater than the width of the slide groove 16. The limit block 17 effectively prevents the connecting shaft 6 and the slide groove 16 from detaching.

[0032] The cooperation of the slide groove 16 of the connecting shaft 6 improves the stability of the roller 7 moving up and down.

[0033] The lead screw 4 is provided with a rotating assembly 8 for rotating the lead screw 4 to facilitate the rotation of the lead screw 4 .

[0034] The outside of the roller 7 is wrapped with a rubber sleeve to prevent slipping and protect the injection molded parts.

[0035] Among them, a scale is set on the outer wall of the operating handle 1 to facilitate accurate adjustment of the height of the roller 7.

[0036] To sum up, when using this device for cutting residual material after injection molding of automobile injection molded parts, the height of the roller 7 is accurately adjusted by rotating the screw 4 according to the height of the edge of the injection molded part, and the roller 7 is placed above the edge of the injection molded part. The roller 7 is used to support the operating handle 1 and the cutting knife 2. The staff pulls the operating handle 1 along the edge of the injection molded part and uses the cutting knife 2 to cut the edge of the injection molding machine.

[0037] The technical terms or scientific terms used in the description of this application should be the common meanings understood by ordinary technicians in the field to which this application belongs. The words "upper", "lower", "left", "right", "center", "vertical", "horizontal", "inside", "outside" and other words indicating orientation used in the description of this application are only used to indicate relative directions or positional relationships, and do not imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation. When the absolute position of the described object changes, its relative positional relationship may also change accordingly, so it cannot be understood as a limitation on this application. The "first", "second", "third" and similar terms used in the description of this application are only used for descriptive purposes to distinguish different components, and cannot be understood as indicating or implying relative importance.

[0038] The words "one", "an" or "the" and the like used in the description of this application should not be understood as an absolute limitation on quantity, but should be understood as the existence of at least one. The words "include" or "comprise" and the like used in the description of this application mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, but do not exclude other elements or objects.

[0039] Although the 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. A device for cutting residual material after injection molding of automobile injection molded parts, comprising an operating handle (1), characterized in that: A cutting knife (2) is detachably mounted on the bottom of the operating handle (1); a connecting block (3) is fixedly mounted on the side wall of the operating handle (1); a lead screw (4) is threadedly connected to the connecting block (3); a mounting frame (5) is rotatably connected to the bottom of the lead screw (4); a connecting shaft (6) is disposed on the mounting frame (5); and a roller (7) is rotatably mounted on the connecting shaft (6).

2. The device for cutting residual material after injection molding of automobile injection molded parts according to claim 1, characterized in that: The operating handle (1) and the cutting blade (2) are detachably mounted via a bolt (14) and a nut (15); the cutting blade (2) is provided with a connecting groove (13) for mounting the bolt (14); and the operating handle (1) is provided with a mounting hole (12) for the bolt (14) to pass through.

3. A device for cutting residual material after injection molding of automobile injection molded parts according to claim 1 or 2, characterized in that: The operating handle (1) is provided with a mounting groove (9) matching the cutting knife (2).

4. A device for cutting residual material after injection molding of automobile injection molded parts according to claim 1 or 2, characterized in that: The operating handle (1) is provided with a plurality of positioning pins (10), and the cutting knife (2) is provided with a plurality of positioning holes (11) matching the positioning pins (10).

5. The device for cutting residual material after injection molding of automobile injection molded parts according to claim 1, characterized in that: The operating handle (1) is provided with a slide groove (16) matching the connecting shaft (6), and one end of the connecting shaft (6) extends into the slide groove (16).

6. The device for cutting residual material after injection molding of automobile injection molded parts according to claim 5, characterized in that: The slide groove (16) passes through the operating handle (1), one end of the connecting shaft (6) passes through the slide groove (16), and a limit block (17) is provided at one end of the connecting shaft (6), and the diameter of the limit block (17) is greater than the width of the slide groove (16).

7. The device for cutting residual material after injection molding of automobile injection molded parts according to claim 1, characterized in that: The lead screw (4) is provided with a rotating assembly (8) for rotating the lead screw (4).

8. The device for cutting residual material after injection molding of automobile injection molded parts according to claim 1, characterized in that: The outside of the roller (7) is wrapped with a rubber sleeve.

9. The device for cutting residual material after injection molding of automobile injection molded parts according to claim 1, characterized in that: The outer wall of the operating handle (1) is provided with scales.

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