Sheet body punching device of heat dissipation piece

Abstract

The utility model relates to the technical field of punching processing, in particular to a sheet body punching device of a heat dissipation piece, which comprises a machine table, a machine frame and a punching mechanism, the machine frame is arranged above the machine table, the punching mechanism used for punching a sheet body is arranged in the middle of the machine frame, the punching mechanism comprises a hydraulic cylinder, a punching head and a bearing table, and the hydraulic cylinder is connected with the punching head. A hydraulic cylinder is fixedly installed on the machine frame, the bottom of the hydraulic cylinder is connected with a stamping head, a bearing table installed on the machine table is arranged under the stamping head, a through hole matched with the stamping head is formed in the bearing table, the sheet body is arranged on the bearing table, and a pressing mechanism used for fixing the sheet body is installed on the stamping head. Through the cooperation of the fixing ring, the guide rod and the cylindrical pressing block, a sheet body can be automatically pressed and fixed on the bearing table when the sheet body is punched.

Description

TECHNICAL FIELD

[0001] The utility model relates to punch processing technical field especially relates to a sheet body punch device of heat dissipation part. BACKGROUND

[0002] In order to improve the heat dissipation efficiency and air flow, the heat dissipation part often adopts the punch design, through the hole on the heat dissipation part, increase the heat dissipation area, so that more air can pass through these holes, take away the heat, avoid heat accumulation, thereby reduce the surface temperature of heat dissipation part.

[0003] The utility model discloses a puncher for metal sheet processing, including puncher main part, the both sides outside of puncher main part top are all installed with adjusting base, and adjusting base is installed with support mechanism, the inside below of puncher main part front side is equipped with the collection mechanism. The puncher for metal sheet processing of this utility model is installed with support mechanism on the both sides of puncher main part top through adjusting base, so as to support the both sides of longer sheet material, and the puncher main part is equipped with collection mechanism, so as to clean the punch blanking quickly.

[0004] The above-mentioned patent can effectively support the both sides of the sheet material, but it needs manual placement of the sheet and adjustment of the support mechanism every time the workpiece is replaced during use, which cannot realize continuous automatic punching of the sheet, has low production efficiency and cannot meet the processing demand. UTILITY MODEL CONTENTS

[0005] In order to overcome the defects in the prior art, the utility model provides a sheet punching device for heat dissipation part.

[0006] Technical scheme: a sheet punching device for heat dissipation part, comprising a machine table, a rack and a punching mechanism, the machine table is provided with a rack, the rack is provided with a punching mechanism for punching the sheet, the punching mechanism comprises a hydraulic cylinder, a punch head and a bearing table, the rack is fixedly provided with a hydraulic cylinder, the bottom of the hydraulic cylinder is connected with a punch head, the punch head is provided below with a bearing table installed on the machine table, the bearing table is provided with a through hole matched with the punch head, the sheet is placed on the bearing table, and the punch head is provided with a pressing mechanism for fixing the sheet.

[0007] Further, the pressing mechanism comprises a fixing ring, a guide rod, a cylindrical pressing block and an elastic member, the punch head is sleeved with a fixing ring, the fixing ring is connected with a downward extending guide rod, the guide rod is slidably connected with a cylindrical pressing block, and the cylindrical pressing block and the fixing ring are connected with an elastic member.

[0008] Further, the machine table is hollow, and a containing frame is slidably connected in the machine table, and a handle is fixedly installed on the containing frame.

[0009] Further, a feeding table is fixedly installed on the machine table, and the feeding table is composed of a flat portion at two ends and an arc-shaped portion in the middle.

[0010] Further, the arc-shaped portion and the flat portion of the feeding table are provided with inwardly protruding guide grooves.

[0011] Further, a cylinder is fixedly installed on the machine table, and a positioning plate is connected to a movable end of the cylinder.

[0012] The utility model has the advantages of the following: 1. The utility model cooperates the fixed ring, the guide rod and the cylindrical briquetting, and can automatically fix the sheet on the bearing table when punching the sheet.

[0013] 2. The utility model is provided with the feeding table, and the sheet can be automatically fed, and the sheet is automatically moved to the bearing table under the limiting action of the baffle and the guiding action of the guide groove, and the sheet is automatically fed in sequence under the limiting of the intermittent reciprocating positioning plate, so that the sheet punching is continuously automatic, and the production efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic view of the utility model.

[0015] Figure 2 It is a three-dimensional structure schematic view of the punching mechanism of the utility model.

[0016] Figure 3 It is a three-dimensional structure schematic view of the pressing mechanism of the utility model.

[0017] Figure 4 It is a three-dimensional structure schematic view of the containing frame of the utility model.

[0018] Figure 5 It is a three-dimensional structure schematic view of the feeding table of the utility model.

[0019] Figure 6 It is a three-dimensional structure schematic view of the guide groove of the utility model.

[0020] Figure 7 It is a three-dimensional structure schematic view of the positioning plate of the utility model.

[0021] Marked in the figure: 1: machine, 2: rack, 301: hydraulic cylinder, 302: punch head, 303: bearing table, 401: fixed ring, 402: guide rod, 403: cylindrical pressure block, 404: elastic piece, 5: containing frame, 6: handle, 7: feeding table, 8: baffle, 9: guide groove, 10: cylinder, 11: positioning plate. DETAILED DESCRIPTION

[0022] To make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further explained in detail below in combination with specific implementation manners and with reference to the drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the utility model. In addition, in the following description, the description of known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0023] A sheet punching device of a heat dissipation piece, as shown in Figures 1-7 The machine 1 is provided with the rack 2 on the top, the rack 2 is provided with a punching mechanism for punching the sheet in the middle, the punching mechanism comprises the hydraulic cylinder 301, the punch head 302 and the bearing table 303, the hydraulic cylinder 301 is fixedly installed on the rack 2, the bottom of the hydraulic cylinder 301 is connected with the punch head 302, the punch head 302 can be a prism or a cylinder corresponding to a square hole or a round hole, the bearing table 303 is installed on the machine 1 below the punch head 302, the bearing table 303 is provided with a through hole matched with the punch head 302, the bearing table 303 is detachably installed through screws, the detachable design of the bearing table 303 can facilitate the bearing table 303 to be taken out when the through hole in the bearing table 303 is blocked, so that the blockage can be quickly processed or the bearing table 303 can be directly replaced, the sheet is placed on the bearing table 303, and the punch head 302 is provided with a pressing mechanism for fixing the sheet.

[0024] The pressing mechanism comprises the fixed ring 401, the guide rod 402, the cylindrical pressure block 403 and the elastic piece 404, the fixed ring 401 is sleeved on the punch head 302, the fixed ring 401 is provided with symmetrical ear portions extending in the radial direction, the ear portions of the fixed ring 401 are connected with the downward extending guide rods 402, the cylindrical pressure block 403 is slidably connected with the guide rods 402, the elastic piece 404 is connected between the cylindrical pressure block 403 and the fixed ring 401, and the elastic piece 404 can be a stainless steel compression spring.

[0025] The machine table 1 is hollow, and a containing frame 5 is slidably connected in the machine table 1. A handle 6 is fixedly installed on the containing frame 5. When the waste is pressed by the punch head 302, the waste falls into the containing frame 5 through the bearing table 303 and the machine table 1. The bottom surface of the containing frame 5 is provided with a middle convex inclined surface to facilitate the automatic movement of the waste to both sides.

[0026] The machine table 1 is fixedly installed with a feeding table 7. The feeding table 7 is composed of a flat portion at both ends and an arc-shaped portion in the middle. The top flat portion of the feeding table 7 can be circumscribed by a conveying belt. The bottom flat portion of the feeding table 7 is flush with the height of the bearing table 303, and the bottom of the feeding table 7 is attached to the bearing table 303.

[0027] Symmetrical baffles 8 are arranged on both sides of the feeding table 7 and the bearing table 303. The baffles 8 on both sides of the arc-shaped portion and the bottom flat portion of the feeding table 7 are inwardly convex to form guide grooves 9. The height of the guide grooves 9 is matched with the thickness of the sheet body.

[0028] A cylinder 10 is fixedly installed on the machine table 1. A positioning plate 11 is connected to the movable end of the cylinder 10. When the positioning plate 11 moves to be aligned with the bearing table 303, the sheet body on the bearing table 303 is in contact with the positioning plate 11 and is limited in movement.

[0029] When the continuous punching processing of the piece of the heat dissipation piece is needed, the piece is sequentially conveyed to the top end of the feeding table 7, then the piece can move along the top surface of the feeding table 7, and under the limiting action of the baffle 8 and the guiding action of the guide groove 9, the piece moves above the bearing table 303, at this time the positioning plate 11 is opposite to the bearing table 303, the piece cannot further move to the positioning plate 11 direction and then separate from the bearing table 303, then the control hydraulic cylinder 301 drives the punching head 302 to move downward, the cylindrical pressing block 403 first contacts the piece, and then moves upward along the guide rod 402 relative to the punching head 302 under the reaction force, the elastic element 404 is compressed under the force, the cylindrical pressing block 403 stably presses and fixes the piece below the punching head 302 under the action force of the elastic element 404, the punching head 302 continues to move downward and cooperates with the bearing table 303 to punch the piece, the waste produced in the punching process passes through the bearing table 303 and the machine table 1 and falls into the containing frame 5, and because the bottom surface of the containing frame 5 is provided with a middle convex inclined surface, the waste can slide to the two sides to avoid accumulation at the punching position, after the punching is completed, the control hydraulic cylinder 301 drives the punching head 302 to reset upward, the cylindrical pressing block 403 moves downward relative to the punching head 302, until the elastic element 404 returns to the initial state, the cylindrical pressing block 403 rises together with the punching head 302 and separates from the piece, the piece is no longer pressed, then the cylinder 10 drives the positioning plate 11 to move away and no longer blocks the piece, the punched piece moves out of the bearing table 303 under the pushing action of the next piece, then the control cylinder 10 drives the positioning plate 11 to move back to the position opposite to the bearing table 303, the next piece is limited to move, by setting the moving frequency of the positioning plate 11 by the PLC and repeating the above operation, the continuous automatic punching processing of the piece of the heat dissipation piece can be realized, and the production efficiency is improved.

[0030] The above only describes the preferred embodiments of the present application, and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A sheet punching device for heat dissipating member, comprising a machine table (1), a machine frame (2) and a punching mechanism, the machine frame (2) is installed above the machine table (1), and the punching mechanism is arranged in the middle of the machine frame (2) for punching the sheet, characterized in that, The punching mechanism comprises a hydraulic cylinder (301), a punch head (302) and a bearing table (303), the hydraulic cylinder (301) is fixedly installed on the rack (2), the punch head (302) is connected to the bottom of the hydraulic cylinder (301), the bearing table (303) is installed on the machine table (1) below the punch head (302), the bearing table (303) is provided with a through hole matched with the punch head (302), the sheet is placed on the bearing table (303), and the punch head (302) is provided with a pressing mechanism for fixing the sheet.

2. The sheet punching apparatus of claim 1, wherein The pressing mechanism comprises a fixing ring (401), a guide rod (402), a cylindrical pressing block (403) and an elastic member (404), the fixing ring (401) is sleeved on the punch head (302), the guide rod (402) extends downward and is connected to the fixing ring (401), the cylindrical pressing block (403) is slidably connected to the guide rod (402), and the elastic member (404) is connected between the cylindrical pressing block (403) and the fixing ring (401).

3. A fin punching apparatus for a heat sink according to claim 2, wherein The machine table (1) is designed to be hollow, and the containing frame (5) is slidably connected in the machine table (1), the handle (6) is fixedly installed on the containing frame (5), and when the waste is pressed down by the punch head (302), the waste falls into the containing frame (5) through the bearing table (303) and the machine table (1).

4. The fin punching apparatus of claim 3 wherein, The machine table (1) is fixedly installed with the feeding table (7), the feeding table (7) is composed of flat portions at both ends and an arc-shaped portion in the middle, and the bottom end of the feeding table (7) is attached to the bearing table (303).

5. A fin punching apparatus for a heat sink according to claim 4, wherein The feeding table (7) and the bearing table (303) are symmetrically provided with baffle plates (8) on both sides, the baffle plates (8) on both sides of the arc-shaped portion and the flat portion at the bottom end of the feeding table (7) are inwardly protruded to form guide grooves (9), and the height of the guide grooves (9) is matched with the thickness of the sheet.

6. A fin punching apparatus for a heat sink according to claim 5, wherein The machine table (1) is fixedly installed with the air cylinder (10), and the movable end of the air cylinder (10) is connected with the positioning plate (11).

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