Injection molding part assembling hole grinding device

Abstract

The utility model belongs to the technical field of polishing devices, and particularly relates to an injection molding part assembling hole polishing device which comprises a workbench and a polishing mechanism and further comprises an inner support fixing mechanism. The X-axis linear module is fixed to the top of the working table; the Y-axis linear module is fixed on a sliding block of the X-axis linear module; a sliding block of the Z-axis linear module is fixed to a sliding block of the Y-axis linear module, and the grinding mechanism is fixed to the bottom end of the Z-axis linear module; according to the polishing device, the inner supporting fixing mechanism and the positioning clamping mechanism are used for fixing an injection molding part, the X-axis linear module, the Y-axis linear module and the Z-axis linear module are used for changing the position of the polishing mechanism, and assembly holes of different sizes and shapes can be polished under the condition that the polishing mechanism is not replaced; and the grinding efficiency is greatly improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of grinding devices, and in particular relates to a grinding device for assembly holes of injection molded parts. Background Art

[0002] The interior linings on cars are made up of various injection molded parts. Injection molded parts refer to the heated molten material that is injected into the cavity through the runner and gate. After the material cools and solidifies, it is removed from the mold to form an injection molded product with a certain shape and structure. Because the finished injection molded parts need to be installed and fixed, assembly holes need to be reserved on the injection molded parts during injection molding. The assembly holes of injection molding will have a lot of burrs, and a grinding device needs to be used to grind the inner wall of the assembly hole.

[0003] At present, a commonly used solution is to clamp and fix the injection molded parts with a special fixture, and then grind the inner wall of the assembly hole with a grinding device.

[0004] It was retrieved that in the prior art, a Chinese utility model patent with authorization announcement number CN218110194U discloses "a device for polishing assembly holes of automotive injection molded parts", which includes a support seat, a support frame, an electric push rod and an assembly plate. The support frame is vertically installed on the upper surface of the support seat, the lower surface of the support frame is fixedly connected to the electric push rod, and the transmission output end of the electric push rod is transmission-connected to the assembly plate; the upper surface of the support seat is fixedly connected to an assembly frame, and a rectangular support block is fixedly connected to the inside of the assembly groove of the assembly frame, which is not easy to cause wear and deformation on the surface of the injection molded part, thereby improving the use effect.

[0005] Although the assembly hole grinding devices in the prior art including the above-mentioned ones can improve the safety of injection molded parts during the grinding process, in actual use, the position of the grinding mechanism cannot be adjusted, which makes it inconvenient to quickly grind assembly holes of different sizes and shapes.

[0006] In order to solve the above problems, the present application proposes a device for polishing assembly holes of injection molded parts. Utility Model Content

[0007] In order to solve the above problems existing in the prior art, the utility model provides an injection molded part assembly hole grinding device, which has the characteristics of being easy to use, easy to adjust and having a wide range of applications.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for polishing assembly holes of injection molded parts, comprising a workbench and a polishing mechanism, and also comprising:

[0009] Internal support fixing mechanisms, two groups of the internal support fixing mechanisms are symmetrically fixed on the top of the workbench and are used to support the injection molded parts from the inside;

[0010] An X-axis linear module, wherein the X-axis linear module is fixed on the top of the workbench;

[0011] A Y-axis linear module, wherein the Y-axis linear module is fixed on a slider of the X-axis linear module;

[0012] A Z-axis linear module, a slider of the Z-axis linear module is fixed to a slider of the Y-axis linear module, and the grinding mechanism is fixed to the bottom end of the Z-axis linear module.

[0013] As a preferred technical solution of the utility model, the grinding mechanism includes:

[0014] A supporting plate, the supporting plate being fixed to the bottom end of the Z-axis linear module;

[0015] A grinding wheel, the grinding wheel is rotatably connected to the lower part of the supporting plate;

[0016] A driving motor is fixed to the top surface of the supporting plate and is used to drive the grinding wheel to rotate.

[0017] As a preferred technical solution of the utility model, the inner support fixing mechanism includes:

[0018] A No. 1 fixing plate, the No. 1 fixing plate being fixed to the top of the workbench;

[0019] A movable plate, the movable plate being located on one side of the first fixed plate;

[0020] A pneumatic suction cup, wherein the pneumatic suction cup is fixed to the movable plate;

[0021] A No. 1 horizontal cylinder, wherein the No. 1 horizontal cylinder is fixed on the No. 1 fixed plate, and a piston rod of the No. 1 horizontal cylinder penetrates through the No. 1 fixed plate and is fixedly connected to the movable plate.

[0022] As a preferred technical solution of the utility model, it also includes a positioning clamping mechanism, and two groups of the positioning clamping mechanisms are symmetrically fixed on the top of the workbench to clamp the injection molded parts toward the inside.

[0023] As a preferred technical solution of the utility model, the positioning and clamping mechanism includes:

[0024] A second fixing plate, the second fixing plate being fixed to the top of the workbench;

[0025] A clamping plate, the clamping plate being located on one side of the second fixing plate;

[0026] A No. 2 horizontal cylinder is fixed on the No. 2 fixed plate, and a piston rod of the No. 2 horizontal cylinder passes through the No. 2 fixed plate and is fixedly connected to the clamping plate.

[0027] As a preferred technical solution of the utility model, it also includes:

[0028] A positioning block is fixed to the end of the clamping plate.

[0029] As a preferred technical solution of the utility model, it also includes:

[0030] Guide rods, two of which are symmetrically fixed on the clamping plate, and the guide rods pass through the second fixing plate.

[0031] As a preferred technical solution of the utility model, a debris removal port is processed on the workbench.

[0032] Compared with the prior art, the beneficial effects of the utility model are:

[0033] In the utility model, an internal support fixing mechanism and a positioning clamping mechanism are provided to fix the injection molded parts, and an X-axis linear module, a Y-axis linear module and a Z-axis linear module are provided to change the position of the grinding mechanism. Assembly holes of different sizes and shapes can be ground without replacing the grinding mechanism, and the grinding efficiency is greatly improved.

[0034] Other additional advantages and beneficial effects of the present application will be given in part in the following description, and in part will become apparent from the following description, or will be understood through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0036] Figure 1 It is a schematic diagram of the structure of the utility model;

[0037] Figure 2 For this utility model Figure 1 A schematic diagram of the enlarged structure of the grinding mechanism;

[0038] Figure 3 This is a schematic diagram of the axonometric structure of the inner support fixing mechanism in the utility model;

[0039] Figure 4 It is a schematic diagram of the axonometric structure of the positioning and clamping mechanism in the utility model.

[0040] In the figure: 1. workbench; 11. debris removal port; 2. internal support fixing mechanism; 21. No. 1 fixed plate; 22. movable plate; 23. pneumatic suction cup; 24. No. 1 horizontal cylinder; 3. positioning clamping mechanism; 31. No. 2 fixed plate; 32. clamping plate; 321. positioning block; 33. No. 2 horizontal cylinder; 34. guide rod; 4. X-axis linear module; 5. Y-axis linear module; 6. Z-axis linear module; 7. grinding mechanism; 71. support plate; 72. grinding wheel; 73. drive motor. DETAILED DESCRIPTION

[0041] 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.

[0042] See also Figure 1-Figure 4 The utility model provides the following technical solutions: a device for polishing assembly holes of injection molded parts, including a workbench 1 and a polishing mechanism 7, and also including: an internal support fixing mechanism 2, an X-axis linear module 4, a Y-axis linear module 5 and a Z-axis linear module 6.

[0043] Further, by Figure 1 As shown, in this embodiment, two sets of inner support fixing mechanisms 2 are symmetrically fixed on the top of the workbench 1, and are used to tighten the injection molded part from the inside. The X-axis linear module 4 is fixed on the top of the workbench 1, the Y-axis linear module 5 is fixed on the slider of the X-axis linear module 4, the slider of the Z-axis linear module 6 is fixed to the slider of the Y-axis linear module 5, and the grinding mechanism 7 is fixed to the bottom end of the Z-axis linear module 6. After adopting the above scheme, when in use, the injection molded part to be polished is placed on the workbench 1, and the injection molded part is tightened from the inside by the inner support fixing mechanism 2. After fixing, the grinding mechanism 7 is started, and the X-axis linear module 4, the Y-axis linear module 5 and the Z-axis linear module 6 are started to adjust the position of the grinding mechanism 7, and the assembly hole is ground by the grinding mechanism 7. The utility model uses the inner support fixing mechanism 2 to fix the injection molded part, and the X-axis linear module 4, the Y-axis linear module 5 and the Z-axis linear module 6 are used to change the position of the grinding mechanism 7. Without replacing the grinding mechanism 7, assembly holes of different sizes and shapes can be ground, and the grinding efficiency is greatly improved.

[0044] Optionally, by Figure 1 and Figure 2As shown, in this embodiment, the grinding mechanism 7 includes: a support plate 71, a grinding wheel 72 and a driving motor 73. The support plate 71 is fixed to the bottom end of the Z-axis linear module 6, and the grinding wheel 72 is rotatably connected to the lower part of the support plate 71. The driving motor 73 is fixed to the top surface of the support plate 71 and is used to drive the grinding wheel 72 to rotate. After adopting the above scheme, when in use, start the driving motor 73 to drive the grinding wheel 72 to rotate, and the assembly hole of the injection molded part is polished by the grinding wheel 72.

[0045] Optionally, by Figure 1 and Figure 3 As shown, in the present embodiment, the inner support fixing mechanism 2 comprises: a No. 1 fixed plate 21, a movable plate 22, a pneumatic suction cup 23 and a No. 1 horizontal cylinder 24. The No. 1 fixed plate 21 is fixed to the top of the workbench 1, and the movable plate 22 is located on one side of the No. 1 fixed plate 21. The pneumatic suction cup 23 is fixed on the movable plate 22. The No. 1 horizontal cylinder 24 is fixed on the No. 1 fixed plate 21, and the piston rod of the No. 1 horizontal cylinder 24 penetrates through the No. 1 fixed plate 21 and is fixedly connected to the movable plate 22. After adopting the above scheme, when in use, the pneumatic suction cup 23 is connected to the air pump, the No. 1 horizontal cylinder 24 is started, and the movable plate 22 is pushed to move by the piston rod of the No. 1 horizontal cylinder 24, and the pneumatic suction cup 23 is used to press against the inner wall of the injection molded part. Then the air pump is evacuated, and the injection molded part is sucked by the pneumatic suction cup 23.

[0046] Preferably, by Figure 1 and Figure 4 As shown, in this embodiment, a positioning clamping mechanism 3 is also included. Two sets of positioning clamping mechanisms 3 are symmetrically fixed on the top of the workbench 1 and are used to clamp the injection molded parts toward the inside, further improving the stability of the injection molded parts and avoiding the injection molded parts from jumping during grinding.

[0047] Optionally, by Figure 1 and Figure 4 As shown, in this embodiment, the positioning and clamping mechanism 3 includes: a No. 2 fixed plate 31, a clamping plate 32 and a No. 2 horizontal cylinder 33. The No. 2 fixed plate 31 is fixed to the top of the workbench 1, and the clamping plate 32 is located on one side of the No. 2 fixed plate 31. The No. 2 horizontal cylinder 33 is fixed on the No. 2 fixed plate 31, and the piston rod of the No. 2 horizontal cylinder 33 passes through the No. 2 fixed plate 31 and is fixedly connected with the clamping plate 32. After adopting the above scheme, when in use, the No. 2 horizontal cylinder 33 is started, and the clamping plate 32 is pushed to move by the piston rod of the No. 2 horizontal cylinder 33, and the injection molded parts are clamped by the clamping plates 32 on both sides.

[0048] Preferably, by Figure 1 and Figure 4 As shown, in this embodiment, it also includes: a positioning block 321, which is fixed to the end of the clamping plate 32. The position of the injection molded part can be further positioned by setting the positioning block 321.

[0049] Preferably, by Figure 1 and Figure 4 As shown, in this embodiment, it also includes: guide rods 34, two guide rods 34 are symmetrically fixed on the clamping plate 32, and the guide rods 34 pass through the second fixed plate 31. After adopting the above scheme, the two guide rods 34 are used to guide the clamping plate 32, thereby improving the stability of the clamping plate 32.

[0050] Preferably, by Figure 1 As shown, in this embodiment, a debris removal opening 11 is processed on the workbench 1, and the debris generated by grinding is removed from the debris removal opening 11, which is convenient for cleaning.

[0051] It should be noted that the No. 1 horizontal cylinder 24, the No. 2 horizontal cylinder 33, the X-axis linear module 4, the Y-axis linear module 5, the Z-axis linear module 6 and the drive motor 73 are all conventional commercially available equipment with built-in power switches. Technicians in this field can make routine selections according to usage needs. Their working principles are common knowledge known to technicians in this field and have been fully disclosed by the prior art, so they will not be elaborated in this article.

[0052] The circuit connection involved in the utility model is a common means used by those skilled in the art, and technical inspiration can be obtained through a limited number of experiments, and it belongs to the widely used existing technology.

[0053] Components not described in detail herein are prior art.

[0054] Working principle and use process of the utility model: When using the grinding device of the utility model, the injection molded part to be ground is placed on the workbench 1, and then the No. 2 horizontal cylinder 33 is started, and the clamping plate 32 is pushed to move by the piston rod of the No. 2 horizontal cylinder 33. According to the width of the injection molded part, the distance between the two clamping plates 32 is adjusted, and then the position of the clamping plate 32 is adjusted so that the clamping plate 32 is against the positioning block 321, and the position of the injection molded part is positioned by the positioning block 321;

[0055] Start the No. 1 horizontal cylinder 24, push the movable plate 22 to move through the piston rod of the No. 1 horizontal cylinder 24, use the pneumatic suction cup 23 to press against the inner wall of the injection molded part, then use the air pump to evacuate air, and use the pneumatic suction cup 23 to suck the injection molded part;

[0056] Start the second horizontal cylinder 33 again, push the clamping plate 32 to move through the piston rod of the second horizontal cylinder 33, and use the clamping plates 32 on both sides to clamp the injection molded part;

[0057] Finally, the driving motor 73 is started to drive the grinding wheel 72 to rotate, and the X-axis linear module 4, the Y-axis linear module 5 and the Z-axis linear module 6 are started to adjust the position of the grinding mechanism 7, and the assembly hole is ground by the grinding wheel 72;

[0058] The utility model is used to fix the injection molded parts through the internal support fixing mechanism 2 and the positioning clamping mechanism 3, and is used to change the position of the grinding mechanism 7 through the X-axis linear module 4, the Y-axis linear module 5 and the Z-axis linear module 6. Without replacing the grinding mechanism 7, assembly holes of different sizes and shapes can be ground, and the grinding efficiency is greatly improved.

[0059] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A device for polishing assembly holes of injection molded parts, comprising a workbench (1) and a polishing mechanism (7), characterized in that: Also includes: Internal support fixing mechanisms (2), two groups of the internal support fixing mechanisms (2) are symmetrically fixed on the top of the workbench (1) and are used to support the injection molded part from the inside; An X-axis linear module (4), wherein the X-axis linear module (4) is fixed to the top of the workbench (1); A Y-axis linear module (5), wherein the Y-axis linear module (5) is fixed on a slider of the X-axis linear module (4); A Z-axis linear module (6), a slider of the Z-axis linear module (6) is fixed to a slider of the Y-axis linear module (5), and the grinding mechanism (7) is fixed to the bottom end of the Z-axis linear module (6).

2. The device for polishing assembly holes of injection molded parts according to claim 1, characterized in that: The grinding mechanism (7) comprises: A supporting plate (71), wherein the supporting plate (71) is fixed to the bottom end of the Z-axis linear module (6); A grinding wheel (72), the grinding wheel (72) being rotatably connected to the lower portion of the supporting plate (71); A driving motor (73) is fixed to the top surface of the supporting plate (71) and is used to drive the grinding wheel (72) to rotate.

3. The device for polishing assembly holes of injection molded parts according to claim 1, characterized in that: The inner support fixing mechanism (2) comprises: A first fixing plate (21), the first fixing plate (21) being fixed to the top of the workbench (1); A movable plate (22), the movable plate (22) being located on one side of the first fixed plate (21); A pneumatic suction cup (23), wherein the pneumatic suction cup (23) is fixed on the movable plate (22); A No. 1 horizontal cylinder (24), the No. 1 horizontal cylinder (24) is fixed on the No. 1 fixed plate (21), and the piston rod of the No. 1 horizontal cylinder (24) passes through the No. 1 fixed plate (21) and is fixedly connected to the movable plate (22).

4. The device for polishing assembly holes of injection molded parts according to claim 1, characterized in that: It also comprises a positioning clamping mechanism (3), wherein two groups of the positioning clamping mechanisms (3) are symmetrically fixed on the top of the workbench (1) and are used to clamp the injection molded part toward the inside.

5. The device for polishing assembly holes of injection molded parts according to claim 4, characterized in that: The positioning and clamping mechanism (3) comprises: A second fixing plate (31), the second fixing plate (31) being fixed to the top of the workbench (1); A clamping plate (32), wherein the clamping plate (32) is located on one side of the second fixing plate (31); A No. 2 horizontal cylinder (33), wherein the No. 2 horizontal cylinder (33) is fixed on the No. 2 fixed plate (31), and a piston rod of the No. 2 horizontal cylinder (33) passes through the No. 2 fixed plate (31) and is fixedly connected to the clamping plate (32).

6. The device for polishing assembly holes of injection molded parts according to claim 5, characterized in that: Also includes: A positioning block (321), wherein the positioning block (321) is fixed to an end portion of the clamping plate (32).

7. The device for polishing assembly holes of injection molded parts according to claim 5, characterized in that: Also includes: Guide rods (34), two guide rods (34) are symmetrically fixed on the clamping plate (32), and the guide rods (34) penetrate the second fixing plate (31).

8. The device for polishing assembly holes of injection molded parts according to claim 1, characterized in that: A debris removal opening (11) is processed on the workbench (1).

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