Finishing device for injection molded part

Abstract

The utility model relates to the technical field of finishing, and discloses an injection molding part finishing device which comprises a finishing frame, the inner side of the finishing frame is rotationally connected with a transmission disc, the outer side of the transmission disc is fixedly connected with a rotating assembly, and the left end of the transmission disc is fixedly connected with a connecting motor. A bidirectional threaded rod is fixedly connected to the outer side of an output shaft of the connecting motor through a coupler, a limiting shell is fixedly connected to the left end of the transmission disc, two threaded sleeves are in transmission connection to the outer side of the bidirectional threaded rod through threads, and connecting blocks are fixedly connected to the top ends and the bottom ends of the threaded sleeves correspondingly; a connecting assembly is fixedly connected to the outer side of the connecting block, an arc-shaped block is fixedly connected to the outer side of the connecting assembly, a limiting assembly is fixedly connected to the outer side of the arc-shaped block, and a connecting plate is fixedly connected to the right end of the finishing frame. The trimming device for the injection molded part has the advantages that the surface of the injection molded part can be conveniently trimmed, and the overall operation is simple and rapid.

Description

Technical Field

[0001] The utility model relates to the technical field of trimming, in particular to an injection molding trimming device. Background Art

[0002] Injection molded parts refer to various injection molded products produced by injection molding machines, including various packages, parts, etc. They are mainly made of materials such as polyethylene or polypropylene and added with a variety of organic solvents; during the production process of injection molded parts, there will be many burrs on their edges, and thus a trimming device is needed to trim the surface of the injection molded parts.

[0003] The existing burr trimming of injection molded parts usually requires manual hand-held trimming knives to trim the burrs, and the overall operation is relatively cumbersome. When many injection molded parts need to be trimmed, the overall operation is relatively tiring, and the longer the trimming time, the more the manual trimming flatness will be greatly reduced, thereby reducing the qualified rate of trimming. Therefore, an injection molded part trimming device is proposed to solve the above problems. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides an injection molded part trimming device, which has the advantages of being convenient for trimming the surface of the injection molded part and being simple and quick in overall operation. It solves the problem of the existing injection molded part burr trimming, which usually requires manual hand-held trimming knives to trim the burrs, and the overall operation is relatively cumbersome. When many injection molded parts need to be trimmed, the overall operation is relatively tiring, and the longer the trimming time, the significantly reduced manual trimming flatness will be, thereby reducing the qualified rate of trimming.

[0006] (II) Technical solution

[0007] The technical solution of the utility model for solving the above technical problems is as follows: an injection molded parts trimming device comprises a trimming frame, the inner side of the trimming frame is rotatably connected with a transmission plate, the outer side of the transmission plate is fixedly connected with a rotating assembly, the left end of the transmission plate is fixedly connected with a connecting motor, the outer side of the output shaft of the connecting motor is fixedly connected with a two-way threaded rod through a coupling, the left end of the transmission plate is fixedly connected with a limiting shell, the outer side of the two-way threaded rod is connected with two threaded sleeves through threaded transmission, the top and bottom ends of the threaded sleeve are fixedly connected with a connecting block, the outer side of the connecting block is fixedly connected with a connecting assembly, the outer side of the connecting assembly is fixedly connected with an arc block, the outer side of the arc block is fixedly connected with a limiting assembly, the right end of the trimming frame is fixedly connected with a connecting plate, the bottom end of the connecting plate is fixedly connected with a pushing cylinder, the top end of the output shaft of the pushing cylinder is fixedly connected with a pushing long plate, and the inner side of the pushing long plate is movably connected with a detachable trimming blade.

[0008] The beneficial effects of the utility model are:

[0009] The injection molded part trimming device has the advantages of being convenient for trimming the surface of the injection molded part and being simple and quick in overall operation.

[0010] On the basis of the above technical solution, the present invention can also be improved as follows.

[0011] Furthermore, the outer side of the arc block is clamped with the injection molded part to be trimmed, the outer side of the injection molded part to be trimmed is in contact with the outer side of the detachable trimming blade, and the injection molded part to be trimmed is clamped on the right side of the transmission disc through the arc block.

[0012] The beneficial effect of adopting the above further solution is that the outer side of the injection-molded part to be trimmed and the outer side of the detachable trimming blade are in contact with each other, so that a trimming operation can be performed on the outer side of the injection-molded part to be trimmed.

[0013] Furthermore, the rotating assembly includes a large gear fixedly connected to the outer side of the transmission disk, the left end of the trimming frame is fixedly connected to a rotating motor, the outer side of the output shaft of the rotating motor is fixedly connected to a small gear through a coupling, and the outer side of the large gear is meshed with the outer side of the small gear.

[0014] The beneficial effect of adopting the above further solution is that the rotating assembly can cause the transmission disc to rotate.

[0015] Furthermore, the connecting assembly includes a first hinge seat fixedly connected to the outer side of the connecting block, the inner side of the first hinge seat is rotatably connected to a connecting rod, the other end of the connecting rod is rotatably connected to a second hinge seat, and the outer side of the second hinge seat is fixedly connected to the outer side of the arc block.

[0016] Furthermore, the limiting assembly includes a protective shell fixedly connected to the outer side of the arc block, the outer side of the limiting shell is fixedly connected to a limiting rod, and the outer side of the limiting rod is slidably connected to the outer side of the protective shell.

[0017] The beneficial effect of adopting the above further solution is that the limiting assembly can limit the position of the movement of the arc block.

[0018] Furthermore, the detachable trimming blade comprises a sliding block movably connected to the inner side of the pushing long plate, and the top end of the sliding block is fixedly connected to the trimming blade body.

[0019] The beneficial effect of adopting the above further solution is that the sliding block can facilitate the disassembly and replacement of the trimming blade body. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0021] Figure 2 This is a cross-sectional view of the structure of the utility model;

[0022] Figure 3 It is an enlarged view of point A in the figure of the utility model;

[0023] Figure 4 This is the connection diagram of the large gear and small gear of the utility model.

[0024] In the figure: 1. trimming frame; 2. transmission plate; 3. rotating assembly; 31. large gear; 32. rotating motor; 33. small gear; 4. connecting motor; 5. bidirectional threaded rod; 6. limiting shell; 7. threaded sleeve; 8. connecting block; 9. connecting assembly; 91. first hinge seat; 92. connecting rod; 93. second hinge seat; 10. arc block; 11. limiting assembly; 111. protective shell; 112. limiting rod; 12. connecting plate; 13. pushing cylinder; 14. pushing long plate; 15. detachable trimming blade; 151. sliding block; 152. trimming blade body; 16. injection molded part to be trimmed. 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] In the embodiment, Figure 1-4 A trimming device for injection molded parts is given. The utility model includes a trimming frame 1, the inner side of the trimming frame 1 is rotatably connected to a transmission disk 2, the outer side of the transmission disk 2 is fixedly connected to a rotating component 3, the left end of the transmission disk 2 is fixedly connected to a connecting motor 4, the outer side of the output shaft of the connecting motor 4 is fixedly connected to a bidirectional threaded rod 5 through a coupling, the left end of the transmission disk 2 is fixedly connected to a limiting shell 6, the outer side of the bidirectional threaded rod 5 is connected to two threaded sleeves 7 through threaded transmission, the top and bottom ends of the threaded sleeves 7 are fixedly connected to a connecting block 8, the outer side of the connecting block 8 is fixedly connected to a connecting component 9, the outer side of the connecting component 9 is fixedly connected to an arc block 10, the outer side of the arc block 10 is fixedly connected to a limiting component 11, the right end of the trimming frame 1 is fixedly connected to a connecting plate 12, the bottom end of the connecting plate 12 is fixedly connected to a pushing cylinder 13, the top end of the output shaft of the pushing cylinder 13 is fixedly connected to a pushing long plate 14, and the inner side of the pushing long plate 14 is movably connected to a detachable trimming blade 15.

[0027] The connecting motor 4 is driven by a battery.

[0028] The outer side of the arc block 10 is clamped with the injection molded part 16 to be trimmed, and the outer side of the injection molded part 16 to be trimmed contacts the outer side of the detachable trimming blade 15 . The injection molded part 16 to be trimmed is clamped on the right side of the transmission disc 2 through the arc block 10 .

[0029] The outer side of the injection molded part 16 to be trimmed and the outer side of the detachable trimming blade 15 are in contact with each other, so that a trimming operation can be performed on the outer side of the injection molded part 16 to be trimmed.

[0030] Among them, the rotating component 3 includes a large gear 31 fixedly connected to the outer side of the transmission disk 2, a rotating motor 32 is fixedly connected to the left end of the dressing frame 1, and a small gear 33 is fixedly connected to the outer side of the output shaft of the rotating motor 32 through a coupling, and the outer side of the large gear 31 is meshed with the outer side of the small gear 33.

[0031] Starting the rotary motor 32 can cause the small gear 33 to rotate, and then the large gear 31 and the lower transmission plate 2 can rotate.

[0032] Among them, the connecting component 9 includes a first articulated seat 91 fixedly connected to the outer side of the connecting block 8, the inner side of the first articulated seat 91 is rotatably connected to a connecting rod 92, the other end of the connecting rod 92 is rotatably connected to a second articulated seat 93, and the outer side of the second articulated seat 93 is fixedly connected to the outer side of the arc block 10.

[0033] The limiting assembly 11 includes a protective shell 111 fixedly connected to the outer side of the arc block 10 , the outer side of the limiting shell 6 is fixedly connected to a limiting rod 112 , and the outer side of the limiting rod 112 is slidably connected to the outer side of the protective shell 111 .

[0034] The limiting assembly 11 can limit the movement of the arc block 10 and effectively prevent the arc block 10 from being offset during the movement.

[0035] The detachable trimming blade 15 includes a sliding block 151 movably connected to the inner side of the pushing long plate 14 , and a trimming blade body 152 is fixedly connected to the top of the sliding block 151 .

[0036] The sliding block 151 can facilitate the disassembly and replacement of the trimming blade body 152, thereby facilitating the maintenance of the trimming blade body 152, thereby improving the trimming effect of the injection molded part 16 to be trimmed.

[0037] Working principle:

[0038] When the injection molded part 16 to be trimmed needs to be trimmed, the injection molded part 16 to be trimmed is placed outside the arc block 10, and the connecting motor 4 is started to rotate the bidirectional threaded rod 5, thereby driving the two threaded sleeves 7 to move closer to each other, so that the arc block 10 can be moved to the inner surface wall of the injection molded part 16 to be trimmed, and squeezed against the inner surface wall of the injection molded part 16 to be trimmed;

[0039] Subsequently, starting the pushing cylinder 13 can cause the outer side of the trimming blade body 152 and the outer side of the injection molded part 16 to be trimmed to be squeezed against each other, and starting the rotating motor 32 can cause the small gear 33 to rotate, and then the large gear 31 and the lower transmission plate 2 can rotate, and then the trimming blade body 152 can be used to trim the outer side of the injection molded part 16 to be trimmed.

[0040] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0041] 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. A device for trimming injection molded parts, comprising a trimming frame (1), characterized in that: The inner side of the trimming frame (1) is rotatably connected to a transmission disc (2), the outer side of the transmission disc (2) is fixedly connected to a rotating assembly (3), the left end of the transmission disc (2) is fixedly connected to a connecting motor (4), the outer side of the output shaft of the connecting motor (4) is fixedly connected to a bidirectional threaded rod (5) via a coupling, the left end of the transmission disc (2) is fixedly connected to a limiting shell (6), the outer side of the bidirectional threaded rod (5) is connected to two threaded sleeves (7) via threaded transmission, and the top and bottom ends of the threaded sleeves (7) are fixedly connected to a connecting block ( 8), the outer side of the connecting block (8) is fixedly connected to a connecting assembly (9), the outer side of the connecting assembly (9) is fixedly connected to an arc block (10), the outer side of the arc block (10) is fixedly connected to a limiting assembly (11), the right end of the trimming frame (1) is fixedly connected to a connecting plate (12), the bottom end of the connecting plate (12) is fixedly connected to a pushing cylinder (13), the top end of the output shaft of the pushing cylinder (13) is fixedly connected to a pushing long plate (14), and the inner side of the pushing long plate (14) is movably connected to a detachable trimming blade (15).

2. The injection molded part trimming device according to claim 1, characterized in that: The outer side of the arc block (10) is clamped with an injection molded part (16) to be trimmed, the outer side of the injection molded part (16) to be trimmed is in contact with the outer side of the detachable trimming blade (15), and the injection molded part (16) to be trimmed is clamped to the right side of the transmission disc (2) through the arc block (10).

3. The injection molded part trimming device according to claim 1, characterized in that: The rotating assembly (3) comprises a large gear (31) fixedly connected to the outside of the transmission disc (2); the left end of the trimming frame (1) is fixedly connected to a rotating motor (32); the outside of the output shaft of the rotating motor (32) is fixedly connected to a small gear (33) via a coupling; the outside of the large gear (31) and the outside of the small gear (33) are meshed with each other.

4. The injection molded part trimming device according to claim 1, characterized in that: The connecting assembly (9) includes a first hinge seat (91) fixedly connected to the outside of the connecting block (8), the inner side of the first hinge seat (91) is rotatably connected to a connecting rod (92), the other end of the connecting rod (92) is rotatably connected to a second hinge seat (93), and the outer side of the second hinge seat (93) is fixedly connected to the outer side of the arc block (10).

5. The injection molded part trimming device according to claim 1, characterized in that: The limiting assembly (11) comprises a protective shell (111) fixedly connected to the outside of the arc block (10); the outside of the limiting shell (6) is fixedly connected to a limiting rod (112); the outside of the limiting rod (112) is slidably connected to the outside of the protective shell (111).

6. The injection molded part trimming device according to claim 1, characterized in that: The detachable trimming blade (15) comprises a sliding block (151) movably connected to the inner side of the pushing long plate (14), and the top end of the sliding block (151) is fixedly connected to the trimming blade body (152).

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