Metal sheet precision drilling device

Abstract

The utility model discloses a metal sheet precision drilling device which comprises a material carrying tray installed on the surface of a drilling machine, two U-shaped supporting plates are welded to the left side and the right side of the material carrying tray respectively, U-shaped plates are fixedly connected to inner cavities of the U-shaped supporting plates, three round holes are formed in the inner walls of the U-shaped plates, and the round holes are communicated with the U-shaped plates. A U-shaped block is connected to the surface of the U-shaped supporting plate in a sliding mode, a limiting structure is arranged in an inner cavity of the U-shaped block, and the limiting structure comprises a supporting block welded to the inner cavity of the U-shaped block. And the metal sheet at the top of the material carrying tray is pressed down and fixed, so that the purpose that the metal sheet is fixed in the drilling process of the metal sheet so as to avoid the situation that the drilling size is error due to the fact that the metal sheet moves in the drilling process is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to metal sheet drilling technical field, especially, relate to a metal sheet precision drilling device. BACKGROUND

[0002] In mechanical manufacturing and assembly, many metal sheet parts need to be connected with other components, through drilling process, can make bolt, nut or rivet connecting piece, firmly connect them with other parts together, ensure the stability and reliability of the whole mechanical structure.

[0003] In order to be fixed in the process of drilling metal sheet, avoid its movement, design a kind of metal sheet precision drilling device, the cooperation of limiting structure and fixed structure can make metal sheet after being placed on the top of load tray, can get the fixed force of depression, that is, in the process of drilling metal sheet, metal sheet is fixed, to avoid the movement when drilling, leading to the error of the size of drilling. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of metal sheet precision drilling device, with in the process of drilling metal sheet, metal sheet is fixed, to avoid the movement when drilling, leading to the error of the size of drilling, to solve the above background technical problems.

[0005] The utility model solves the technical scheme as follows to the above technical problems: a kind of metal sheet precision drilling device, it includes the load tray of installation on the surface of drilling machine: the left and right sides of the load tray are all welded with two U-shaped support plates, the inner chamber of the U-shaped support plate is fixedly connected with U-shaped plate, three round holes are arranged in the inner wall of the U-shaped plate, the surface of the U-shaped support plate is slidably connected with U-shaped block, the inner chamber of the U-shaped block is provided with limiting structure, the limiting structure includes the support block welded in the inner chamber of U-shaped block, the side, opposite to the round hole of the support block, is fixedly connected with circular tube, the inner chamber of the circular tube is slidably connected with circular ring, the spring is welded between the inner chamber of the circular ring and the inner chamber of the circular tube, the inner chamber of the circular ring is rotatably connected with ball, the surface of the U-shaped block is provided with fixed structure.

[0006] Preferably, the support block is slidably connected to the inner chamber of the U-shaped support plate, and the surface of the ball is rollingly connected to the inner chamber of the round hole.

[0007] Preferably, the fixed structure includes the aperture block welded on the surface of the U-shaped block, the inner chamber of the aperture block is threadedly connected with threaded peg, and the top end of the threaded peg is fixedly connected with star-shaped head.

[0008] Preferably, the bottom end of the threaded nail is rotationally connected with a fixing sheet, and the bottom of the fixing sheet is fixedly connected with a rubber pad strip.

[0009] Preferably, the left and right sides of the loading tray are both fixedly connected with two L-shaped support plates through bolts, the U-shaped support plate is welded to the top of the L-shaped support plate, and the front and rear sides of the inner cavity of the U-shaped support plate are both provided with guide grooves.

[0010] Preferably, the front and rear sides of the support block are both welded with limiting strips, and the surface of the limiting strip is slidably connected to the inner cavity of the guide groove.

[0011] The utility model discloses the beneficial effect is:

[0012] 1, the utility model discloses a down -slide is driven to the limiting structure and fixed structure through the U -shaped block, then down -slide is driven to the fixed sheet, and the metal sheet on the top of loading tray is fixed down -pressing, can reach the purpose of fixing the metal sheet in the process of drilling the metal sheet, to avoid the error of the size of drilling due to the movement of the metal sheet when drilling,

[0013] 2, the utility model discloses the setting of rubber pad strip can make the friction between the bottom of fixed sheet and metal sheet increase, can make the fixed sheet in the process of down -pressing fixed metal sheet, can reach better effect,

[0014] 3, the utility model discloses the cooperation of guide groove and limiting strip can get a vertical direction guide force in the process of up and down movement of sliding U -shaped block, can make the U -shaped block be limited when sliding, to make the U -shaped block more stable when sliding. BRIEF DESCRIPTION OF DRAWINGS

[0015] Among them:

[0016] Figure 1 It is the front view schematic drawing of an embodiment of the utility model;

[0017] Figure 2 It is the front view schematic drawing of an embodiment of the utility model;

[0018] Figure 3 It is the fixed structure schematic drawing of an embodiment of the utility model;

[0019] Figure 4 It is the U-shaped support plate schematic drawing of an embodiment of the utility model;

[0020] Figure 5 It is the limiting structure schematic drawing of an embodiment of the utility model.

[0021] In the drawings, the component list represented by each sign is as follows:

[0022] 1, drill, 2, material tray, 3, U-shaped support plate, 4, U-shaped plate, 5, round hole, 6, U-shaped block, 7, limiting structure, 71, support block, 72, round pipe, 73, round ring, 74, spring, 75, ball, 8, fixing structure, 81, opening block, 82, threaded peg, 83, star head, 84, fixing piece, 85, rubber pad strip, 9, L-shaped support plate, 10, guide groove, 11, limiting strip. DETAILED DESCRIPTION

[0023] Hereinafter, an embodiment of the metal sheet precision drilling device of the present application will be described with reference to the accompanying drawings.

[0024] Example one:

[0025] Figures 1-5 A metal sheet precision drilling device according to an embodiment of the present application is shown, which comprises: a material tray 2 mounted on the surface of a drill 1; both sides of the material tray 2 are welded with two U-shaped support plates 3, the inner cavity of the U-shaped support plate 3 is fixedly connected with a U-shaped plate 4, the inner wall of the U-shaped plate 4 is provided with three round holes 5, the surface of the U-shaped support plate 3 is slidingly connected with a U-shaped block 6, the inner cavity of the U-shaped block 6 is provided with a limiting structure 7, the limiting structure 7 comprises a support block 71 welded in the inner cavity of the U-shaped block 6, the side opposite to the round hole 5 of the support block 71 is fixedly connected with a round pipe 72, the inner cavity of the round pipe 72 is slidingly connected with a round ring 73, the spring 74 is welded between the inner cavity of the round ring 73 and the inner cavity of the round pipe 72, the inner cavity of the round ring 73 is rotatably connected with a ball 75, the surface of the U-shaped block 6 is provided with a fixing structure 8, the support block 71 is slidingly connected in the inner cavity of the U-shaped support plate 3, the surface of the ball 75 is rollingly connected in the inner cavity of the round hole 5, the fixing structure 8 comprises an opening block 81 welded on the surface of the U-shaped block 6, the inner cavity of the opening block 81 is threadedly connected with a threaded peg 82, the top end of the threaded peg 82 is fixedly connected with a star head 83, the bottom end of the threaded peg 82 is rotatably connected with a fixing piece 84, the bottom of the fixing piece 84 is fixedly connected with a rubber pad strip 85, through the setting of the rubber pad strip 85, the friction between the bottom of the fixing piece 84 and the metal sheet can be increased, and better effect can be achieved during the process of pressing and fixing the metal sheet by the fixing piece 84.

[0026] Example two:

[0027] Figures 1-5The metal sheet precision drilling device shown in an embodiment of the utility model, it includes: install on the surface of drilling machine 1 load tray 2: the left and right sides of load tray 2 are welded with two U-shaped support plates 3, the inner chamber of U-shaped support plate 3 is fixedly connected with U-shaped plate 4, the inner wall of U-shaped plate 4 is provided with three round holes 5, the surface of U-shaped support plate 3 is slidably connected with U-shaped block 6, the inner chamber of U-shaped block 6 is provided with limiting structure 7, limiting structure 7 includes support block 71 welded in the inner chamber of U-shaped block 6, the side opposite to round hole 5 of support block 71 is fixedly connected with circular tube 72, the inner chamber of circular tube 72 is slidably connected with circular ring 73, spring 74 is welded between the inner chamber of circular ring 73 and circular tube 72, the inner chamber of circular ring 73 is rotatably connected with ball 75, the surface of U-shaped block 6 is provided with fixed structure 8, the left and right sides of load tray 2 are fixedly connected with two L-shaped support plates 9 through bolt, U-shaped support plate 3 is welded on the top of L-shaped support plate 9, the front and back sides of the inner chamber of U-shaped support plate 3 are provided with guide slot 10, limiting strip 11 is welded on the front and back sides of support block 71, the inner chamber of guide slot 10 is slidably connected with the surface of limiting strip 11, through the cooperation of guide slot 10 and limiting strip 11, a vertical direction guiding force can be obtained in the process of sliding U-shaped block 6 to move up and down, so that U-shaped block 6 can be limited when sliding, so that U-shaped block 6 can slide more stably.

[0028] Working principle: when the utility model is used, the user places the metal sheet on the top of load tray 2, then rotates U-shaped block 6 to drive support block 71 and hole block 81 to slide downward, when support block 71 slides, ball 75 under the support of circular ring 73 and spring 74 will slide along the inner wall of U-shaped plate 4, and the sliding position of ball 75 is limited under the action of round hole 5, so as to limit the position of U-shaped block 6 and hole block 81, then rotates star-shaped head 83 to drive threaded peg 82 to rotate in the inner chamber of hole block 81, then under the action of screw thread, threaded peg 82 pushes fixed sheet 84 to slide downward, and the metal sheet on the top of load tray 2 is pressed and fixed, so that the position of the metal sheet is fixed, and the metal sheet can be fixed during drilling to avoid the movement of the metal sheet during drilling, which causes the size error of the drilled hole.

[0029] In conclusion: the metal sheet precision drilling device, through rotating U-shaped block 6 to drive limiting structure 7 and fixed structure 8 to slide downward, then rotating push fixed sheet 84 to slide downward, and pressing and fixing the metal sheet on the top of load tray 2, the metal sheet can be fixed during drilling to avoid the movement of the metal sheet during drilling, which causes the size error of the drilled hole.

Claims

1. A precision drilling device for metal sheets, characterized in that, The utility model provides a material loading tray is installed on the surface of drill (1), left and right sides of the material loading tray (2) are welded with two U-shaped support plates (3), the inner chamber fixed connection of U-shaped support plate (3) has U-shaped board (4), three round holes (5) are seted up in the inner wall of U-shaped board (4), the surface sliding connection of U-shaped support plate (3) has U-shaped block (6), the inner chamber of U-shaped block (6) is provided with limiting structure (7), limiting structure (7) includes the support block (71) of welding in the inner chamber of U-shaped block (6), the fixed connection of support block (71) with the one side of round hole (5) opposite has round pipe (72), the inner chamber sliding connection of round pipe (72) has round ring (73), spring (74) is welded between the inner chamber of round ring (73) and round pipe (72), the inner chamber rotation connection of round ring (73) has ball (75), the surface of U-shaped block (6) is provided with fixed structure (8).

2. The metal sheet precision drilling apparatus according to claim 1, wherein The support block (71) is slidingly connected to the inner chamber of the U-shaped support plate (3), and the surface of the ball (75) is rollingly connected to the inner chamber of the round hole (5).

3. The metal foil precision drilling apparatus according to claim 2, wherein The fixed structure (8) includes an aperture block (81) welded to the surface of the U-shaped block (6), a threaded peg (82) threadedly connected to the inner chamber of the aperture block (81), and a star-shaped head (83) fixedly connected to the top end of the threaded peg (82).

4. The metal foil precision drilling apparatus according to claim 3, wherein The bottom end of the threaded peg (82) is rotationally connected to a fixing sheet (84), and the bottom of the fixing sheet (84) is fixedly connected to a rubber pad strip (85).

5. The metal foil precision drilling apparatus according to claim 4, wherein The left and right sides of the material loading tray (2) are fixedly connected to two L-shaped support plates (9) by bolts, the U-shaped support plates (3) are welded to the top of the L-shaped support plates (9), and the front and rear sides of the inner chamber of the U-shaped support plates (3) are provided with guide grooves (10).

6. The metal foil precision drilling apparatus according to claim 5, wherein The front and rear sides of the support block (71) are welded to limiting strips (11), and the surface of the limiting strips (11) is slidingly connected to the inner chamber of the guide grooves (10).

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