Deburring device for cooling fins
By designing a deburring device for heat dissipation fins, and utilizing the reciprocating threaded connection of fluid high-pressure abrasive and clamping parts, efficient and uniform deburring of the surface of heat dissipation fins is achieved, solving the problems of low efficiency and high cost in the existing technology.
Patent Information
- Application Number
- CN202423170659.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2034-12-20
AI Technical Summary
In existing technologies, the deburring process for heat dissipation fins is inefficient and costly, and manual deburring makes it difficult to ensure uniformity.
A device for deburring heat sink fins is designed. High-pressure fluid abrasive flows up and down in the abrasive channel. Combined with the reciprocating threaded connection of the clamping component, the abrasive is used to extrude and grind the fin surface. The positioning block of the clamping component changes the contact position when the shaft rotates to avoid obstruction.
It improves the efficiency and effectiveness of deburring heat dissipation fins, ensures uniform deburring of fin surfaces, reduces costs, and improves processing efficiency.
Smart Images
Figure CN223656787U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to surface polishing technical field especially, relates to a heat dissipation fin deburring device. BACKGROUND
[0002] Heat dissipation fin, simply referred to as heat dissipation fin, is classified as "passive heat dissipation element" in the field of electronic engineering design. The metal (mostly aluminum or copper) with good thermal conductivity, light weight and easy processing is attached to the heat surface to dissipate heat by composite heat exchange mode.
[0003] In the production process of heat dissipation fin, metal material needs to be cut, and the surface will appear protruding excess metal residual part, that is, burr, and due to the narrow gap space between fins, manual deburring mode is not only expensive, and inefficient, and it is difficult to ensure that burrs are removed uniformly on the surface of fins. INVENTION CONTENTS
[0004] In order to overcome the above-mentioned shortcomings in the prior art, the utility model provides a heat dissipation fin deburring device.
[0005] Technical scheme as follows: a heat dissipation fin deburring device, including bottom disc, shell, pivot and motor, the bottom disc top is equipped with the shell of cylinder, the bottom disc center is rotatably connected with pivot, and the bottom disc bottom is installed with motor, and the output shaft of motor is coaxially connected with pivot, still including fixed disc and movable disc, the pivot lower part is fixedly connected with fixed disc, and the pivot upper part is slidably connected with movable disc, the fixed disc and movable disc are opened with two rows of abrasive channels that are arranged in annular array, and the abrasive channel is divided into inner ring and outer ring.
[0006] More preferably, the abrasive channel is composed of uplink channel and downlink channel, the uplink channel and downlink channel are sequentially and alternately arranged, and the abrasive channel port is all inverted with round angle.
[0007] More preferably, the pivot is screwedly connected with a limiting ring, the limiting ring is located at the lower side of the movable disc, and the movable disc is limited to move down when the movable disc falls along the pivot and contacts the limiting ring.
[0008] More preferably, it further includes a connecting ring, the pivot is provided with reciprocating threaded part, the connecting ring is movably connected with the pivot through reciprocating thread, and the connecting ring is located between the fixed disc and the limiting ring.
[0009] More preferably, it further includes a clamping piece, at least two groups of clamping pieces are symmetrically arranged on the connecting ring, and the clamping piece extends radially along the connecting ring.
[0010] More preferably, the clamping piece comprises support rods and positioning blocks, the support rods are in pairs, one end of the support rods is connected to the circumferential side of the connecting ring, the other end of the support rods is connected with the positioning blocks, and the two positioning blocks jointly form a ring matched with the workpiece to limit the workpiece.
[0011] The beneficial effects are: 1. The fluid high-pressure abrasive is circulated in the abrasive channel in the up-down mode to perform deburring treatment on the heat dissipation fins, the abrasive can flow into the gap space of the fins to sufficiently extrude and grind the fin surface, and the deburring processing efficiency and effect on the heat dissipation fins are effectively improved.
[0012] 2. The clamping piece is connected with the rotating shaft through reciprocating threads, so that the positioning blocks at the end of the support rods can reciprocate up and down along with the connecting ring when the rotating shaft rotates, the contact position of the positioning blocks and the heat dissipation fins is changed, the blocking of the contact position is effectively avoided while the limiting effect on the workpiece is ensured, and the heat dissipation fin surface can be fully ground to realize deburring treatment. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.
[0014] Figure 2 It is a schematic diagram of the three-dimensional structure of the fixed disc and the movable disc of the utility model.
[0015] Figure 3 It is a schematic diagram of the three-dimensional structure of the limiting ring and the connecting ring of the utility model.
[0016] Figure 4 It is a schematic diagram of the three-dimensional structure of the support rod and the positioning block of the utility model.
[0017] The marks of various components in the drawings are as follows: 1_bottom disc, 2_housing, 3_rotating shaft, 4_motor, 5_fixed disc, 6_movable disc, 7_abrasive channel, 8_limiting ring, 9_connecting ring, 10_support rod, and 11_positioning block. DETAILED DESCRIPTION
[0018] The technical scheme in the embodiments of the utility model will be clearly and completely described below, obviously, the described embodiments are only part of the embodiments of the utility model, not 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.
[0019] A heat dissipation fin deburring device, like Figures 1-4As shown, including the chassis 1, shell 2, shaft 3 and motor 4, the top of the chassis 1 is provided with a cylindrical shell 2, the center of the chassis 1 is rotatably connected with the shaft 3, the bottom of the chassis 1 is provided with a motor 4 through bolt, the output shaft of the motor 4 is coaxially connected with the shaft 3, further comprising a fixed disc 5 and a movable disc 6, the lower part of the shaft 3 is fixedly connected with the fixed disc 5, and the gap between the fixed disc 5 and the chassis 1 is left for accommodating abrasive, the upper part of the shaft 3 is slidably connected with the movable disc 6, the fixed disc 5 and the movable disc 6 are provided with two rows of abrasive channels 7 arranged in annular array, the abrasive channels 7 are divided into inner ring and outer ring, the upper side of the fixed disc 5 and the lower side of the movable disc 6 are provided with hydraulic drive devices to apply pressure to the abrasive to make it flow upward or downward.
[0020] The abrasive channel 7 is composed of an ascending channel and a descending channel, the ascending channel and the descending channel are arranged alternately, and the ports of the abrasive channel 7 are rounded to facilitate the abrasive entering the channel, when the hydraulic drive devices on the upper and lower sides work, the abrasive flows along the ascending channel to the upper side of the fixed disc 5 and then flows along the adjacent descending channel to the lower side of the movable disc 6 under the action of the hydraulic drive device on the upper side, that is, the abrasive can flow along the abrasive channel in the machining cavity in a snakelike manner along the annular channel.
[0021] The shaft 3 is threadedly connected with a limiting ring 8, the limiting ring 8 is located on the lower side of the movable disc 6, when the movable disc 6 falls along the shaft 3 to contact the limiting ring 8, the movable disc 6 is limited to move downward, the height of the movable disc 6 is adjusted through the cooperation of the limiting ring 8, and the length of the abrasive channel 7 is adjusted to better adapt to the workpiece, and the efficiency of deburring treatment is improved.
[0022] Further comprising a connecting ring 9, the shaft 3 is provided with a reciprocating threaded part, the connecting ring 9 is movably connected with the shaft 3 through the reciprocating thread, and the connecting ring 9 is located between the fixed disc 5 and the limiting ring 8.
[0023] Further comprising a clamping piece, at least two groups of clamping pieces are symmetrically arranged on the connecting ring 9, and the clamping pieces extend radially along the connecting ring 9.
[0024] The clamping piece comprises a support rod 10 and a positioning block 11, two support rods 10 form a group, one end of the support rod 10 is connected to the circumferential side of the connecting ring 9, the other end of the support rod 10 is connected with the positioning block 11, and the two positioning blocks 11 jointly form a ring shape adapted to the workpiece to limit the workpiece, in addition, the support rod 10 and the connecting ring 9 can be slidably connected by arranging an annular slide rail on the circumferential surface of the connecting ring 9, and the spacing between the support rods 10 is adjusted, and the applicability of the device is further improved.
[0025] When deburring of the heat dissipation fins is needed, the plurality of heat dissipation fins are respectively positioned in the annular space formed by the positioning blocks 11 in each group of clamping pieces, then the limiting ring 8 is adjusted to the appropriate position according to the height of the workpiece, the movable disc 6 is slid down to the limiting ring 8 along the rotating shaft 3, at this time the workpiece is in the processing chamber formed by the fixed disc 5, the movable disc 6 and the shell 2, and the fins of the workpiece are located at the abrasive channel 7, the abrasive is subjected to pressure by hydraulic drive (not shown in the figure, this part is prior art and will not be described here), so that the abrasive flows in the abrasive channel 7 formed by the inner ring and the outer ring, since the abrasive channel 7 is alternately provided with uplink channel and downlink channel, the abrasive can flow back and forth in the abrasive channel 7, and then repeatedly extrude and grind the surface of each workpiece in the processing chamber, so as to completely remove the burrs on the surface of the heat dissipation fins, at the same time, since the connecting ring 9 is connected with the rotating shaft 3 through the reciprocating thread on the rotating shaft 3, when the rotating shaft 3 rotates, the connecting ring 9 drives the clamping piece to make reciprocating lifting movement in the vertical direction, so that the contact position of the positioning block 11 in the clamping piece and the heat dissipation fin changes, avoiding the positioning block 11 blocking the surface of the heat dissipation fin, so that the clamping contact area cannot be deburred sufficiently.
[0026] The above embodiments are only for illustrating the technical concept and characteristics of the present application, the purpose is to enable those skilled in the art to understand the content of the present application and to implement it, and cannot limit the protection scope of the present application. Any equivalent changes or modifications made according to the spirit and essence of the present application shall be covered within the protection scope of the present application.
Claims
1. A deburring device for heat dissipation fins, comprising a base plate (1), a cylindrical shell (2), a rotating shaft (3) and a motor (4), wherein the top of the base plate (1) is provided with the cylindrical shell (2), the center of the base plate (1) is rotatably connected with the rotating shaft (3), and the bottom of the base plate (1) is provided with the motor (4), and the output shaft of the motor (4) is coaxially connected with the rotating shaft (3), characterized in that, Also include the fixed disc (5) and the movable disc (6), the lower part of the rotating shaft (3) is fixedly connected with the fixed disc (5), the upper part of the rotating shaft (3) is slidably connected with the movable disc (6), the fixed disc (5) and the movable disc (6) are provided with two rows of abrasive channels (7) arranged in annular array, the abrasive channels (7) are divided into inner ring and outer ring.
2. The deburring device for heat dissipation fins according to claim 1, characterized in that, The abrasive channel (7) is composed of an uplink channel and a downlink channel, the uplink channel and the downlink channel are arranged alternately, and the ports of the abrasive channel (7) are all chamfered.
3. A device for deburring heat sink fins according to claim 2, wherein The rotating shaft (3) is threadedly connected with a limiting ring (8), the limiting ring (8) is located below the movable disc (6), and the movable disc (6) is limited to move downward when the movable disc (6) falls along the rotating shaft (3) to contact the limiting ring (8).
4. The deburring device for heat dissipation fins according to claim 3, wherein Also include a connecting ring (9), the rotating shaft (3) is provided with a reciprocating threaded portion, the connecting ring (9) is movably connected with the rotating shaft (3) through the reciprocating threaded portion, and the connecting ring (9) is located between the fixed disc (5) and the limiting ring (8).
5. A device for deburring heat sink fins according to claim 4, wherein Also include a clamping piece, at least two groups of clamping pieces are symmetrically arranged on the connecting ring (9), and the clamping pieces extend radially along the connecting ring (9).
6. A device for deburring heat sink fins according to claim 5, wherein The clamping piece includes a supporting rod (10) and a positioning block (11), two supporting rods (10) form a group, one end of the supporting rod (10) is connected to the circumferential side of the connecting ring (9), the other end of the supporting rod (10) is connected with the positioning block (11), and two positioning blocks (11) jointly form an annular adapted to the workpiece to limit the workpiece.