Semi-automatic grinding device for injection molding shell

Abstract

The utility model discloses a semi-automatic polishing device for an injection molding shell. The semi-automatic polishing device comprises a workbench, a mounting frame, a discharging table, a fixing head, a driving mechanism, a mechanical arm and a polishing head. The fixing head moves back and forth to move out of the side wall of the discharging table. The driving mechanism is arranged on the discharging table and drives the fixing head to move back and forth. According to the grinding device for the loudspeaker box shell, the fixing head is arranged on the feeding table and matched with the free end of the mechanical arm to move back and forth beside the feeding table, so that the fixing head extends out of the side wall of the feeding table to be fixed and tightly supported with the loudspeaker box shell, and then the mechanical arm drives the grinding head to achieve the semi-automatic grinding process. And the polishing force can be accurately controlled in the polishing process of the mechanical arm, and the polishing quality is guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of grinding and processing technology, and in particular to a semi-automatic grinding device for injection molded housings. Background Technology

[0002] Grinding is a surface modification technique that generally refers to a processing method that uses a rough object (such as sandpaper containing high-hardness particles) to change the physical properties of a material surface through friction, with the main purpose of obtaining a specific surface roughness. Especially after injection molding, products often have many burrs on their surface. Therefore, grinding is necessary to remove these burrs after injection molding. Speaker housings, for example, require grinding after injection molding.

[0003] Currently, speaker enclosures are mostly polished manually, which is not only labor-intensive but also makes it difficult to precisely control the polishing pressure. Excessive pressure can damage the product, while insufficient pressure can leave burrs, thus compromising the quality of the polishing. Therefore, it is necessary to research a new technical solution to address these problems. Utility Model Content

[0004] In view of this, the present invention addresses the deficiencies of the existing technology and its main purpose is to provide a semi-automatic grinding device for injection molded housings, which can effectively solve the problems of high labor intensity, uncontrollable grinding force, and unreliable grinding quality in the existing speaker housing grinding process.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A semi-automatic grinding device for injection molded housings includes a worktable, a mounting frame, a feeding platform, a fixed head, a drive mechanism, a robotic arm, and a grinding head. The mounting frame is mounted on the worktable. The feeding platform is mounted on the mounting frame and located at the upper end of the mounting frame. The fixed head is movably mounted on the feeding platform, and the fixed head moves back and forth beyond the side wall of the feeding platform. The drive mechanism is mounted on the feeding platform and drives the fixed head to move back and forth. The robotic arm is mounted on the worktable, and the free end of the robotic arm moves back and forth beside the feeding platform. The grinding head is mounted on the free end of the robotic arm and is driven by the robotic arm to move back and forth.

[0007] As a preferred option, a feeding plate is provided on the upper end of the feeding platform. The feeding plate is detachably mounted on the upper end of the feeding platform by fixing bolts, and the upper surface of the feeding plate is recessed inward to provide a clearance groove for cooperating with external products.

[0008] As a preferred embodiment, a cushioning pad is fitted to the outer wall of the fixing head, and the fixing head contacts the external product through the cushioning pad.

[0009] As a preferred scheme, the outer lateral wall of the fixing head is outwardly convexly provided with protrusions arranged in front and back, and a through slot is formed between the two protrusions and penetrates the upper and lower end faces of the fixing head.

[0010] As a preferred scheme, the fixing head is two laterally symmetrically arranged, each of which extends the side wall of the corresponding material discharging table, and the corresponding driving mechanism is also provided with two, each of which drives the corresponding fixing head to move back and forth.

[0011] The utility model discloses have obvious advantages and beneficial effects compared with prior art, specifically speaking, from the above technical scheme can know that:

[0012] Through the lateral wall of the material discharging table of the back and forth movement of the fixing head, the driving mechanism is arranged on the material discharging table and drives the back and forth movement of the fixing head, and cooperates with the back and forth movement of the free end of the mechanical arm in the side of the material discharging table, so that the fixing head is outwardly extended from the lateral wall of the material discharging table and is fixed between the loudspeaker shell, then the polishing head is driven by the mechanical arm to realize the semi-automatic polishing process, which not only effectively reduces the labor intensity, but also accurately controls the polishing intensity of the mechanical arm, and guarantees the polishing quality.

[0013] In order to more clearly set forth the structural features and functions of the utility model, the utility model will be described in detail below in combination with the drawings and specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is the working state schematic diagram of the preferred embodiment of the utility model;

[0015] Fig. 2 It is the local assembly schematic diagram of the preferred embodiment of the utility model;

[0016] Fig. 3 It is the cross section schematic diagram of the preferred embodiment of the utility model.

[0017] Brief description of drawings:

[0018] 10, workbench 20, mounting frame

[0019] 30, material discharging table 301, let -go slot

[0020] 31, material discharging plate 32, fixed bolt

[0021] 40, fixing head 401, through slot

[0022] 41, buffer pad 42, protrusion

[0023] 50, driving mechanism 60, mechanical arm

[0024] 70, polishing head. DETAILED DESCRIPTION

[0025] Referring to Figs. 1 to 3 The specific structure of the preferred embodiment of the utility model is shown in the drawings, which comprises a workbench 10, a mounting frame 20, a material placing table 30, a fixing head 40, a driving mechanism 50, a mechanical arm 60 and a polishing head 70.

[0026] The mounting frame 20 is arranged on the workbench 10.

[0027] The material placing table 30 is arranged on the mounting frame 20 and located at the upper end of the mounting frame 20. In this embodiment, the material placing table 30 is provided with a material placing plate 31 at the upper end, which is detachably arranged on the upper end of the material placing table 30 through fixing bolts 32. The upper surface of the material placing plate 31 is inwardly recessed to form a clearance groove 301 matched with the external product. The material placing plate 31 is used to support the inner side wall of the external speaker shell, and the clearance groove 301 is used to give way to the protruding parts of the inner side wall of the speaker shell, so as to ensure the flatness of the outer side wall of the speaker shell and further ensure the polishing effect. Meanwhile, the detachable material placing plate 31 can be replaced according to different products, so as to meet the polishing process of different models of products.

[0028] The fixing head 40 is movably arranged on the material placing table 30 and moves back and forth out of the side wall of the material placing table 30. The fixing head 40 is outwardly moved out of the side wall of the material placing table 30 and tightly contacts with the inner side wall of the speaker shell, so as to fix the speaker shell. In this embodiment, the outer side wall of the fixing head 40 is attached with a buffer pad 41, and the fixing head 40 contacts with the external product through the buffer pad 41, which prevents the fixing head 40 from damaging the product when it is tightly contacted with the speaker shell. The outer side wall of the fixing head 40 is outwardly protruded with front and rear spaced-apart protrusions 42, and a through groove 401 is formed between the two protrusions 42 and penetrates the upper and lower end faces of the fixing head. The through groove 401 is connected with the external air, which avoids the negative pressure between the contact surface of the fixing head 40 and the shell, so as to make the speaker shell more convenient to take out. The fixing head 40 is horizontally symmetrically arranged in two, and each fixing head 40 extends out of the corresponding side wall of the material placing table 30. Meanwhile, in other embodiments, the fixing head 40 can also be arranged in four, which are arranged on the four side walls of the material placing table 30. As long as it can tightly contact with the external speaker shell, the specific number and position are not limited.

[0029] The driving mechanism 50 is arranged on the material placing table 30 and drives the fixing head 40 to move back and forth. In this embodiment, the driving mechanism 50 is a pneumatic cylinder. In this embodiment, the driving mechanism 50 is also arranged in two, and each driving mechanism 50 drives the corresponding fixing head to move back and forth.

[0030] The mechanical arm 60 is arranged on the workbench 10, and the free end of the mechanical arm 60 moves back and forth beside the feeding table 30. The free end of the mechanical arm 60 is provided with a positioning sensor, and the change of the position of the positioning sensor transmits a signal to an external controller, and the working state of the polishing head 70 is controlled by the controller.

[0031] The polishing head 70 is arranged at the free end of the mechanical arm 60 and is driven by the mechanical arm 60 to move back and forth.

[0032] The working principle of the embodiment is as follows:

[0033] In work, the driving mechanism 50, the mechanical arm 60 and the polishing head 70 are connected with the external controller, then the speaker shell is arranged on the feeding table 30 by artificial, then the driving mechanism 50 works, drives the fixed head 40 to extend out of the feeding table 30 and tightly supports the inner side wall of the speaker shell, so as to fix the speaker shell on the feeding table 30, then the mechanical arm 60 drives the polishing head 70 to polish along the outer surface of one side of the speaker shell, after processing, the mechanical arm 60 drives the polishing head 70 to move away from the feeding table, then the driving mechanism 50 drives the fixed head 40 to reset inwards, and the speaker shell is taken off by artificial, then it is placed on the feeding table 30 after rotating 180 DEG, and the above steps are repeated to complete the polishing process of the outer surface of the other side of the speaker shell, and the product is taken off after polishing.

[0034] The design emphasis of the utility model lies in: the fixed head moves back and forth out of the side wall of the feeding table; the driving mechanism is arranged on the feeding table and drives the fixed head to move back and forth; and the free end of the mechanical arm moves back and forth beside the feeding table, so that the fixed head extends out of the side wall of the feeding table and is fixed and tightly supported between the speaker shell, then the polishing head is driven by the mechanical arm to realize the semi-automatic polishing process, which not only effectively reduces the labor intensity, but also accurately controls the polishing intensity of the mechanical arm, and guarantees the polishing quality.

[0035] The above is only a preferred embodiment of the utility model, and does not limit the technical range of the utility model, so any slight modification, equivalent change and modification according to the technical essence of the utility model are still within the technical range of the utility model.

Claims

1. A semi-automated polishing device for injection molded housings, characterized by: The polishing device comprises a workbench, a mounting frame, a feeding table, a fixing head, a driving mechanism, a mechanical arm and a polishing head; the mounting frame is arranged on the workbench; the feeding table is arranged on the mounting frame and located at the upper end of the mounting frame; the fixing head is movably arranged on the feeding table and moves back and forth out of the side wall of the feeding table; the driving mechanism is arranged on the feeding table and drives the fixing head to move back and forth; the mechanical arm is arranged on the workbench, and the free end of the mechanical arm moves back and forth beside the feeding table; the polishing head is arranged at the free end of the mechanical arm and is driven by the mechanical arm to move back and forth.

2. The injection molded housing semi-automated polishing apparatus of claim 1, wherein: The upper end of the feeding table is provided with a feeding plate which is detachably arranged on the upper end of the feeding table through fixing bolts, and the upper surface of the feeding plate is inwardly recessed to form a recessed groove matched with the external product.

3. The injection molded housing semi-automated polishing apparatus of claim 1, wherein: The outer side wall of the fixing head is attached with a buffer pad, and the fixing head contacts the external product through the buffer pad.

4. The injection molded housing semi-automated polishing apparatus of claim 1, wherein: The outer side wall of the fixing head is outwardly convexly provided with front and rear spaced-apart convex portions, and a through groove is formed between the two convex portions and penetrates the upper and lower end faces of the fixing head.

5. The injection molded housing semi-automated polishing apparatus of claim 1, wherein: The fixing head is horizontally symmetrically arranged in two, each fixing head extends out of the corresponding side wall of the feeding table, and correspondingly, the driving mechanism is also arranged in two, each driving mechanism drives the corresponding fixing head to move back and forth.

Images