Hardware fitting surface polishing device

Abstract

The utility model relates to a hardware fitting surface polishing device, which belongs to the technical field of lighter metal shell production, and comprises a polishing table, a linear slide rail and a polishing unit which are mounted at the top of the polishing table, and a control machine table and a positioning mechanism which are mounted at the top of the polishing table. According to the surface polishing device for the hardware fittings, the hardware fittings are accurately fixed on the polishing table, the hardware fittings are prevented from moving due to vibration or stress in the polishing process, the accuracy of the polishing position is ensured, the polishing quality is improved, uneven polishing or damage caused by movement of the fittings is avoided, automatic operation of positioning is achieved, and the production efficiency is improved. The hardware fitting polishing device can be flexibly adjusted according to the height of hardware fittings, can meet the polishing requirements of the hardware fittings of different sizes, is expanded in application range, is suitable for metal shells of lighters and can also be used for polishing the surfaces of various hardware fittings, and the polishing efficiency is improved. And the method has relatively high universality.

Description

TECHNICAL FIELD

[0001] The utility model relates to lighter metal shell production technical field especially a kind of hardware fittings surface polishing device. BACKGROUND

[0002] The material of lighter metal shell is stainless steel, aluminum alloy or zinc alloy, its production procedure includes stamping process, die casting process and machining process etc., wherein lighter metal shell is processed using stamping process, according to the shape and size of lighter shell, blanking is carried out using punch press into the required shape, blank after blanking is placed into drawing die, and pressure is applied by press to stretch flat plate-shaped blank into cylindrical or other shape with certain depth, to form the basic outline of lighter shell, then trimming treatment is carried out on the stretched shell to remove excess material, so that edge is smooth, using forming die, further forming operation such as bending, embossing, ribbing etc. is carried out on the stretched shell, to increase the structural strength and aesthetic degree of shell, and finally surface treatment of lighter metal shell is carried out, to obtain finished lighter metal shell after steps such as polishing, electroplating, paint spraying or plastic spraying etc.

[0003] In prior art, during surface treatment process of lighter metal shell, workers need to polish using sandpaper or operate against lighter shell using semi-automatic handheld polishing machine, so that the labor intensity of workers is large, and using full-automatic polishing machine to process lighter metal shell needs to replace different shape clamps to adapt to lighter metal shell of different shape, so that polishing of lighter metal shell is more troublesome, therefore a kind of hardware fittings surface polishing device is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of prior art, the utility model provides a kind of hardware fittings surface polishing device, with the advantages of fixing lighter metal shell of different shape, solve the problem that workers need to polish using sandpaper or operate against lighter shell using semi-automatic handheld polishing machine during surface treatment process of lighter metal shell, so that the labor intensity of workers is large, and using full-automatic polishing machine to process lighter metal shell needs to replace different shape clamps to adapt to lighter metal shell of different shape, so that polishing of lighter metal shell is more troublesome.

[0005] In summary, the utility model provides the following technical scheme: a kind of hardware fittings surface polishing device, including polishing table, straight line sliding rail and polishing unit installed in the top of the polishing table, control machine table and positioning mechanism installed in the top of the polishing table;

[0006] The positioning mechanism comprises a control box fixedly installed on the top of the polishing table, two connecting frames slidably installed in the control box, a guide component installed on the rear sidewall of the inner cavity of the control box and used for supporting the sliding of the two connecting frames, a connecting block slidably installed in the two connecting frames, a feeding component installed on the two connecting frames and used for controlling the left-right movement of the two connecting blocks, positioning pieces respectively fixedly installed on the right sides of the two connecting blocks and used for abutting against the inner wall of the metal shell of the lighter, and a driving assembly installed in the control box and used for controlling the movement of the two connecting frames.

[0007] The driving assembly comprises a threaded rod rotatably installed in the control box and used for controlling the movement of the two connecting frames to the opposite side or the opposite side, an asynchronous motor fixedly installed on the top of the control box, a transmission component installed on one side of the asynchronous motor and used for driving the rotation of the threaded rod, and an induction component installed in the control box.

[0008] The technical scheme has the advantages that the hardware fittings can be accurately fixed on the polishing table, the hardware fittings are prevented from moving due to vibration or stress during polishing, the accuracy of the polishing position is ensured, the polishing quality is improved, the uneven polishing or damage caused by the movement of the fittings is avoided, the automation operation of positioning can be realized through the asynchronous motor of the driving assembly and the electric push rod of the feeding component, the complexity and error of manual operation are reduced, and the work efficiency is improved.

[0009] Further, the induction component comprises displacement sensors fixedly installed on the opposite sides of the two connecting frames, respectively, and pressure sensors fixedly installed on one side of the two connecting blocks, respectively.

[0010] The above-mentioned further scheme has the advantages that the pressure applied by the positioning pieces to the hardware fittings can be easily perceived, and damage to the hardware fittings caused by excessive pressure is avoided.

[0011] Further, the linear slide rail is fixedly installed on the top of the polishing table, the polishing unit is slidably installed on the top of the linear slide rail, and the control machine is fixedly installed on the top of the polishing table.

[0012] The above-mentioned further scheme has the advantages that the movement of the polishing unit is facilitated.

[0013] Further, the guide component comprises a guide frame and two guide blocks, the two guide blocks are slidably connected with the inner walls of the guide frame, respectively, the guide frame is fixedly installed on the rear sidewall of the inner cavity of the control box, and the two guide blocks are fixedly connected with the two connecting frames, respectively.

[0014] The above-mentioned further scheme has the advantages that the linear movement of the two connecting frames on the guide frame is limited.

[0015] Further, the feeding component comprises two electric push rods, the telescopic ends of the two electric push rods are fixedly connected with two connecting blocks respectively, and the two electric push rods are fixedly installed on the two connecting frames respectively.

[0016] The above further scheme has the beneficial effect that the left and right movement of the connecting block can be controlled by the telescopic control of the electric push rod.

[0017] Further, the two positioning members each comprise a hexagonal column and an anti-skid rubber sleeve, the anti-skid rubber sleeve is installed on the hexagonal column, a through slot is formed in the right side of the control box, one end of the hexagonal column is fixedly connected with the connecting block, and the other end of the hexagonal column penetrates through the through slot and extends to the outside of the control box.

[0018] The above further scheme has the beneficial effect that the two positioning members can abut against the inner wall of the metal shell of the lighter.

[0019] Further, the transmission component comprises two bevel gears, the outer surfaces of the two bevel gears are engaged with each other, the two bevel gears are fixedly installed on the outer surfaces of the threaded rod and the output shaft of the asynchronous motor respectively, the two threads on the outer surface of the threaded rod are symmetrically distributed in an up-down direction, and two mounting blocks are threadedly installed on the outer surface of the threaded rod and fixedly connected with the two connecting frames respectively.

[0020] The above further scheme has the beneficial effect that the rotation of the threaded rod can control the movement of the two connecting frames to the opposite side or the opposite side.

[0021] Further, the polishing unit comprises two multi-stage electric push rods, two handheld polishers and a feeding table, the two handheld polishers are slidingly installed on the feeding table, the feeding table is installed on the linear slide rail, and the multi-stage electric push rods are fixedly installed on the feeding table and the telescopic ends of the multi-stage electric push rods are fixedly connected with the handheld polishers.

[0022] The above further scheme has the beneficial effect that the multi-stage electric push rods can be flexibly adjusted according to the height of the hardware fittings, the polishing requirements of hardware fittings of different sizes can be met, and the application range of the device is expanded.

[0023] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:

[0024] The hardware fitting surface polishing device, through the positioning mechanism and the polishing unit, realizes accurate fixing of the hardware fitting on the polishing table, prevents movement of the hardware fitting due to vibration or stress in the polishing process, ensures accuracy of the polishing position, improves polishing quality, avoids uneven polishing or damage caused by movement of the fitting, through the asynchronous motor of the driving assembly and the electric push rod of the feeding component, automatic operation of positioning can be realized, complexity and errors of manual operation are reduced, work efficiency is improved, the handheld polishing machine can be flexibly adjusted according to the height of the hardware fitting due to the multi-stage electric push rod, polishing requirements of hardware fittings of different sizes can be met, the application range of the device is expanded, and the device is not only suitable for polishing of the lighter metal shell, but also suitable for surface polishing of various hardware fittings, and has strong universality. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a structural schematic view of the utility model;

[0026] Figure 2 It is a structural schematic view of the utility model Figure 1 It is a sectional view of the control box;

[0027] Figure 3 It is a three-dimensional schematic view of the structural positioning piece, the connecting frame and the connecting block.

[0028] BRIEF DESCRIPTION OF DRAWINGS:

[0029] 1, the polishing table; 2, linear slide rail; 3, polishing unit; 4, control machine table; 51, control box; 52, connecting frame; 53, guide component; 54, connecting block; 55, feeding component; 56, positioning piece; 57, threaded rod; 58, asynchronous motor; 59, transmission component; 60, sensing component. DETAILED DESCRIPTION

[0030] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0031] Please refer to Figures 1 to 3 A hardware fitting surface polishing device in the embodiment comprises a polishing table 1, linear slide rails 2 and polishing units 3 installed on the top of the polishing table 1, a control machine table 4 and a positioning mechanism installed on the top of the polishing table 1, the linear slide rails 2 are fixedly installed on the top of the polishing table 1, the polishing units 3 are slidably installed on the top of the linear slide rails 2, and the control machine table 4 is fixedly installed on the top of the polishing table 1.

[0032] Please refer to Figures 1 to 3 In this example implementation, the positioning mechanism includes a control box 51 fixedly installed on the top of the polishing table 1, two connecting frames 52 slidingly installed inside the control box 51, a guide component 53 installed on the rear side wall of the inner cavity of the control box 51 and used to support the sliding of the two connecting frames 52, a connecting block 54 slidingly installed inside the two connecting frames 52, a feeding component 55 installed on the two connecting frames 52 and used to control the left-right movement of the two connecting blocks 54, positioning pieces 56 respectively fixedly installed on the right side of the two connecting blocks 54 and used to abut against the inner wall of the metal shell of the lighter, and a driving assembly installed in the control box 51 and used to control the movement of the two connecting frames 52.

[0033] The guide component 53 includes a guide frame and two guide blocks, the two guide blocks are respectively in sliding connection with the inner wall of the guide frame, the guide frame is fixedly installed on the rear side wall of the inner cavity of the control box 51, and the two guide blocks are respectively in fixed connection with the two connecting frames 52, so as to facilitate limiting the two connecting frames 52 to only make linear motion on the guide frame.

[0034] In addition, the feeding component 55 includes two electric push rods, the telescopic ends of the two electric push rods are respectively in fixed connection with the two connecting blocks 54, and the two electric push rods are respectively fixedly installed on the two connecting frames 52, so as to facilitate driving the connecting blocks 54 to move by the extension and retraction of the electric push rods, thereby controlling the left-right movement of the positioning pieces 56.

[0035] It should be noted that the two positioning pieces 56 each include a hexagonal column and an anti-skid rubber sleeve, the anti-skid rubber sleeve is installed on the hexagonal column, a through slot is formed in the right side of the control box 51, one end of the hexagonal column is in fixed connection with the connecting block 54, and the other end of the hexagonal column penetrates through the through slot and extends to the outside of the control box 51, so as to facilitate inserting the two positioning pieces 56 into the inside of the metal shell of the lighter and abutting against the inner wall thereof, thereby realizing the position fixation of the metal shell of the lighter.

[0036] By adopting the above technical scheme, the two connecting frames 52 are controlled to move to the opposite sides under the support of the guide component 53, so that the connecting frames 52 drive the two connecting blocks 54 to move towards each other, when the connecting blocks 54 move, the positioning pieces 56 move accordingly, so that the anti-skid rubber sleeves on the two hexagonal columns abut against the inner wall of the metal shell of the lighter or other hardware fittings, thereby realizing the positioning and fixation of the metal shell of the lighter, then the two electric push rods in the feeding component 55 are started, thereby controlling the two connecting blocks 54 to drive the two positioning pieces 56 to move to the right side, and then the metal shell of the lighter fixedly installed on the two positioning pieces 56 is moved away from the control box 51, thereby facilitating the polishing and grinding.

[0037] Please refer to Figures 1 to 3In the embodiment, the driving assembly comprises a threaded rod 57 rotatably arranged in the control box 51 and used for controlling the two connecting frames 52 to move to the opposite side or the opposite side, an asynchronous motor 58 fixedly arranged on the top of the control box 51, a transmission component 59 arranged on one side of the asynchronous motor 58 and used for driving the threaded rod 57 to rotate, and an inductive component 60 arranged in the control box 51, which comprises displacement sensors fixedly arranged on the opposite sides of the two connecting frames 52 respectively and pressure sensors fixedly arranged on one side of the two connecting blocks 54 respectively.

[0038] The transmission component 59 comprises two conical gears, the outer surfaces of the two conical gears are engaged, and the two conical gears are fixedly arranged on the outer surfaces of the threaded rod 57 and the output shaft of the asynchronous motor 58 respectively, so that the rotating output shaft drives the threaded rod 57 to rotate through the two engaged conical gears.

[0039] In addition, the two threads on the outer surface of the threaded rod 57 are symmetrically distributed in up and down directions, two mounting blocks are threadedly arranged on the outer surface of the threaded rod 57 and fixedly connected with the two connecting frames 52 respectively, so that the rotating threaded rod 57 can control the two connecting frames 52 to slide to the opposite side or move to the opposite side.

[0040] It should be noted that the pressure sensors can sense the pressure applied by the positioning member 56 to the hardware fittings, so as to avoid damage to the hardware fittings due to excessive pressure and ensure the integrity and appearance quality of the hardware fittings.

[0041] According to the above technical scheme, the lighter metal shell is sleeved on the two positioning members 56, the asynchronous motor 58 in the driving assembly is started, the two engaged conical gears in the transmission component 59 drive the threaded rod 57 to rotate, when the threaded rod 57 rotates, the two connecting frames 52 move to the opposite side under the support of the guide component 53, the displacement sensors and the pressure sensors in the inductive component 60 monitor the positions and stress conditions of the connecting frames 52 and the connecting blocks 54, the displacement sensors can sense the displacement of the connecting frames 52 to ensure that they move to the predetermined positions, and the pressure sensors can sense the pressure of the positioning member 56 on the hardware fittings to prevent damage to the fittings due to excessive pressure and ensure firm positioning.

[0042] The working principle of the above embodiment is as follows:

[0043] The hardware fitting surface polishing device, when in use, will be connected with the lighter metal shell on the two positioning members 56, after the asynchronous motor 58 in the drive assembly is started, the two meshing bevel gears in the transmission component 59 drive the threaded rod 57 to rotate, when the threaded rod 57 rotates, the two connecting frames 52 will move to the opposite side under the support of the guide component 53, so that the connecting frame 52 drives the two connecting blocks 54 to move towards each other, when the connecting block 54 moves, the positioning member 56 moves, so that the anti-skid rubber sleeve on the two hexagonal columns can resist the inner wall of the hardware fitting such as the lighter metal shell, so as to realize the positioning and fixing of the lighter metal shell;

[0044] The displacement sensor and the pressure sensor in the sensing component 60 can monitor the position and stress of the connecting frame 52 and the connecting block 54, the displacement sensor can sense the displacement of the connecting frame 52, to ensure that it moves to the predetermined position, the pressure sensor can sense the pressure of the positioning member 56 on the hardware fitting, to prevent the excessive pressure from damaging the fitting, and to ensure firm positioning;

[0045] Then, by starting the two electric push rods in the feeding component 55, the two connecting blocks 54 drive the two positioning members 56 to move to the right, and then the lighter metal shell fixed on the two positioning members 56 moves away from the control box 51, the feeding table is installed on the top of the polishing table 1 through the linear slide rail 2, and can slide along the linear slide rail 2, which is convenient for polishing different positions of the hardware fitting, and the height of the handheld polisher can be adjusted through the extension and retraction of the multi-stage electric push rod, so as to polish the lighter metal shell by using the two handheld polishers.

Claims

1. A hardware fitting surface polishing apparatus, characterized by: The utility model provides a polishing platform, a linear slide rail and a polishing unit are arranged on the polishing platform, and a control machine table and a positioning mechanism are arranged on the top of the polishing platform. The positioning mechanism comprises a control box fixedly arranged on the top of the polishing platform, two connecting frames slidably arranged in the control box, a guide component arranged on the rear sidewall of the inner cavity of the control box and used for supporting the sliding of the two connecting frames, a connecting block slidably arranged in the two connecting frames, a feeding component arranged on the two connecting frames and used for controlling the left and right movement of the two connecting blocks, a positioning piece fixedly arranged on the right side of each connecting block and used for abutting against the inner wall of the metal shell of the lighter, and a driving assembly arranged in the control box and used for controlling the movement of the two connecting frames. The driving assembly comprises a threaded rod rotatably arranged in the control box and used for controlling the movement of the two connecting frames to the opposite side or the opposite side, an asynchronous motor fixedly arranged on the top of the control box, a transmission component arranged on one side of the asynchronous motor and used for driving the rotation of the threaded rod, and an induction component arranged in the control box.

2. A device for polishing surfaces of hardware fittings as claimed in claim 1, wherein: The induction component comprises displacement sensors fixedly arranged on the opposite sides of the two connecting frames and pressure sensors fixedly arranged on one side of the two connecting blocks.

3. A device for polishing surfaces of hardware fittings as claimed in claim 1, wherein: The linear slide rail is fixedly arranged on the top of the polishing platform, the polishing unit is slidably arranged on the top of the linear slide rail, and the control machine table is fixedly arranged on the top of the polishing platform.

4. A device for polishing surfaces of hardware fittings as claimed in claim 1, wherein: The guide component comprises a guide frame and two guide blocks, the two guide blocks are slidably connected with the inner wall of the guide frame, the guide frame is fixedly arranged on the rear sidewall of the inner cavity of the control box, and the two guide blocks are fixedly connected with the two connecting frames.

5. A device for polishing surfaces of hardware fittings as claimed in claim 1, wherein: The feeding component comprises two electric push rods, the telescopic ends of the two electric push rods are fixedly connected with the two connecting blocks, and the two electric push rods are fixedly arranged on the two connecting frames.

6. A device for polishing surfaces of hardware fittings as claimed in claim 1, wherein: Each positioning piece comprises a hexagonal column and an anti-skid rubber sleeve, the anti-skid rubber sleeve is arranged on the hexagonal column, a through groove is formed in the right side of the control box, one end of the hexagonal column is fixedly connected with the connecting block, and the other end of the hexagonal column penetrates through the through groove and extends to the outside of the control box.

7. A device for polishing surfaces of hardware fittings as claimed in claim 1, wherein: The transmission component (59) comprises two bevel gears, the outer surfaces of the two bevel gears are engaged, the two bevel gears are fixedly installed on the outer surfaces of the threaded rod (57) and the output shaft of the asynchronous motor (58) respectively, the two threads on the outer surface of the threaded rod (57) are symmetrically distributed up and down, and the threaded rod (57) is threadedly provided with two mounting blocks, and the two mounting blocks are fixedly connected with two connecting frames (52) respectively.

8. A device for polishing surfaces of hardware fittings as claimed in claim 3, wherein: The polishing unit (3) comprises two multi-stage electric push rods, two handheld polishers and a feeding table, the two handheld polishers are both slidably installed on the feeding table, the feeding table is installed on the linear slide rail (2), and the multi-stage electric push rod is fixedly installed on the feeding table and the telescopic end of the multi-stage electric push rod is fixedly connected with the handheld polisher.

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