Positioning device for automatic drilling machine

Abstract

The utility model discloses a positioning device for an automatic drilling machine, which relates to the technical field of drilling machines and comprises a workbench, a limiting mechanism is movably mounted at the top of the workbench, the limiting mechanism comprises two groups of transverse positioning plates and two groups of longitudinal positioning plates, a positioning mechanism is arranged at the center of the workbench and comprises a bearing seat, and the bearing seat is movably mounted on the workbench. The bearing seat is installed on the workbench in a lifting mode, a negative pressure cavity is formed in a top plate of the bearing seat, and an air exhaust opening is formed in the bottom of the bearing seat. According to the design scheme, through the design that the bearing seat is installed in the center of the workbench in a liftable mode, the transverse positioning plate and the longitudinal positioning plate on the periphery of the bearing seat are matched with each other to push a workpiece to the center of the workbench, the bearing seat ascends to make contact with the workpiece, and meanwhile the workpiece is fixed through negative pressure adsorption; and subsequent machining of the automatic drilling machine is facilitated, the positioning speed of the workpiece is effectively increased, and the labor intensity of workers can be relieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a drilling machine technical field especially a positioning device for automatic drilling machine. BACKGROUND

[0002] Drilling machine refers to the utilization more hard, more sharp tool through the rotation cutting or rotation extrusion mode, on the target material leave cylindrical hole or hole mechanical and equipment collectively, and drilling machine's application is very extensive can carry out drilling processing to metal, wood, glass etc.

[0003] The existing automatic drilling machine is when drilling the board workpiece such as glass, wood board, need manual work on the workbench and use frock to position the workpiece placed on the workbench, then can carry out drilling processing, the automation degree is lower, and the positioning speed is slow, influence the processing efficiency of workpiece, and the work load of staff is big. UTILITY MODEL CONTENTS

[0004] In order to overcome the above-mentioned defects existing in the prior art, the utility model provides a positioning device for automatic drilling machine.

[0005] The utility model solves its technical scheme that adopts technical scheme: a positioning device for automatic drilling machine, including workbench, the workbench top movable installation limit mechanism, the limit mechanism includes two groups of horizontal positioning plate and two groups of longitudinal positioning plate, the horizontal positioning plate and longitudinal positioning plate are perpendicular to each other and are arranged, the bottom of workbench is equipped with drive mechanism, the center of workbench is equipped with positioning mechanism, the positioning mechanism includes bearing seat, the bearing seat is liftable and is installed on workbench, the top plate of bearing seat is equipped with negative pressure chamber, the bottom of bearing seat is equipped with suction port, and the suction port is connected with negative pressure chamber.

[0006] Further, the workbench is of rectangular structure, two groups of the horizontal positioning plate are movably installed at the left and right ends of the workbench, the bottom end of the horizontal positioning plate is provided with two groups of first connecting parts, the top of the workbench is provided with a horizontal sliding slot matched with the first connecting part, and the first connecting part is fitted and installed in the sliding slot.

[0007] Further, the driving mechanism comprises a transverse driving assembly and a longitudinal driving assembly, the transverse driving assembly comprises a bidirectional screw rod, the bidirectional screw rod is rotatably installed at the bottom of the workbench, a servo motor is fixedly installed at the left side of the workbench, the power output shaft of the servo motor is fixedly connected with the bidirectional screw rod, screw nuts are movably installed at the two ends of the bidirectional screw rod, the two groups of screw nuts are fixedly connected with one group of first connecting parts at the bottom ends of the two groups of transverse positioning plates respectively, the other group of first connecting parts at the bottom ends of the two groups of transverse positioning plates are fixedly installed with sliding seats, the sliding seats are slidably installed on guide rods, and the guide rods are fixedly installed at the bottom of the workbench.

[0008] Further, the two groups of longitudinal positioning plates are movably installed at the front and rear ends of the workbench, the bottom ends of the longitudinal positioning plates are provided with two groups of second connecting parts, the top of the workbench is provided with longitudinal sliding grooves matched with the second connecting parts, and the second connecting parts are movably installed in the longitudinal sliding grooves.

[0009] Further, the longitudinal driving assembly is the same as the transverse driving assembly in structure, and each component of the longitudinal driving assembly is connected with the longitudinal positioning plate through the second connecting parts.

[0010] Further, a through hole is formed at the center of the workbench, the bearing seat is movably installed in the through hole, a plurality of light rods are fixedly installed at the bottom end edges of the through hole, a bottom plate is slidably installed on the light rods, a plurality of support rods are fixedly installed at the bottom end of the bearing seat, the bottom ends of the support rods are fixedly connected with the bottom plate, a fixing frame is arranged below the bottom plate, the fixing frame is fixedly installed at the bottom of the workbench, an electric telescopic rod is fixedly installed on the fixing frame, and the power output shaft of the electric telescopic rod is fixedly connected with the bottom plate.

[0011] Further, the top surfaces of the bearing seat, the transverse positioning plate and the longitudinal positioning plate are attached with anti-skid pads.

[0012] The workbench of the utility model has the advantages that the bearing seat is installed at the center of the workbench and can be lifted, when the workpiece is positioned, the transverse positioning plate and the longitudinal positioning plate around the bearing seat are matched with each other to push the workpiece to the center of the workbench, the bearing seat is lifted to contact the workpiece, the workpiece is fixed by negative pressure adsorption, and the workpiece is lifted from the workbench, so that subsequent processing of the automatic drilling machine is facilitated, the positioning speed of the workpiece is effectively improved, and the labor intensity of workers is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0013] The utility model is further described below in combination with the drawings and examples.

[0014] Figure 1The utility model discloses a three-dimensional structure schematic diagram.

[0015] Figure 2 The utility model discloses a front view.

[0016] Figure 3 The utility model discloses a top view.

[0017] Figure 4 The utility model discloses a bottom view.

[0018] Figure 5 For Figure 3 The utility model discloses a cross section structure schematic diagram of A-A direction.

[0019] In the drawing: 1. workbench, 101. horizontal slide, 102. vertical slide, 103. through hole, 2. horizontal positioning plate, 201. first connecting part, 3. horizontal drive assembly, 301. bidirectional screw rod, 302. screw nut, 303. slide, 304. guide rod, 4. vertical positioning plate, 401. second connecting part, 5. vertical drive assembly, 6. bearing seat, 601. negative pressure chamber, 602. air outlet, 7. light pole, 8. bottom plate, 9. support rod, 10. fixed frame, 11. electric telescopic rod, 12. antiskid pad. DETAILED DESCRIPTION

[0020] In order to more clearly illustrate the technical scheme of the utility model, the utility model will be further described below in conjunction with the drawings, and obviously, the drawings described below are only one embodiment of the utility model, and for ordinary skilled person in the art, according to the drawings and embodiment, other embodiments are obtained without paying creative labor, and all belong to the protection scope of the utility model.

[0021] According to Figures 1-5 As shown in the figure, a positioning device for automatic drilling machine includes workbench 1, the top movable mounting of workbench 1 is equipped with limiting mechanism, limiting mechanism includes two groups of horizontal positioning plate 2 and two groups of vertical positioning plate 4, horizontal positioning plate 2 and vertical positioning plate 4 are perpendicular to each other and are arranged, the bottom of workbench 1 is equipped with drive mechanism, the center of workbench 1 is equipped with limiting mechanism, limiting mechanism includes bearing seat 6, bearing seat 6 is liftable and is installed on workbench 1, the top plate of bearing seat 6 is equipped with negative pressure chamber 601, the bottom of bearing seat 6 is equipped with air outlet 602, and air outlet 602 is connected with negative pressure chamber 601.

[0022] In the embodiment, the workbench 1 is of rectangular structure, two groups of transverse positioning plates 2 are movably installed at the left and right ends of the workbench 1, the bottom ends of the transverse positioning plates 2 are provided with two groups of first connecting parts 201, the top of the workbench 1 is provided with transverse sliding grooves 101 matched with the first connecting parts 201, the first connecting parts 201 are fitted and installed in the sliding grooves, the driving mechanism comprises transverse driving assemblies 3 and longitudinal driving assemblies 5, the transverse driving assembly 3 comprises a bidirectional lead screw 301, the bidirectional lead screw 301 is rotatably installed at the bottom of the workbench 1 through a bearing seat, a servo motor 305 is fixedly installed at the left side of the workbench 1 through a motor support, the power output shaft of the servo motor 305 is fixedly connected with the bidirectional lead screw 301 through a shaft coupling, lead screw nuts 302 are fitted and installed at the two ends of the bidirectional lead screw 301, the two groups of lead screw nuts 302 are fixedly connected with one group of the first connecting parts 201 at the bottom ends of the two groups of transverse positioning plates 2 respectively, the other group of the first connecting parts 201 at the bottom ends of the two groups of transverse positioning plates 2 is fixedly installed with a sliding seat 303, the sliding seat 303 is slidably installed on a guide rod 304, the guide rod 304 is fixedly installed at the bottom of the workbench 1 through a support, two groups of longitudinal positioning plates 4 are movably installed at the front and rear ends of the workbench 1, the bottom ends of the longitudinal positioning plates 4 are provided with two groups of second connecting parts 401, the top of the workbench 1 is provided with longitudinal sliding grooves 102 matched with the second connecting parts 401, the second connecting parts 401 are fitted and installed in the longitudinal sliding grooves 102, the longitudinal driving assemblies 5 are the same in structure as the transverse driving assemblies 3, and do not be repeated here, the components of the longitudinal driving assemblies 5 are connected with the longitudinal positioning plates 4 through the second connecting parts 401, the length of the second connecting parts 401 is greater than that of the first connecting parts 201, the longitudinal driving assemblies 5 are located below the transverse driving assemblies 3 as a whole, the components of the longitudinal driving assemblies 5 and the components of the transverse driving assemblies 3 are staggered with each other, are driven to rotate by motors respectively, and move the positioning plates oppositely under the cooperation of the bidirectional lead screw 301 and the lead screw nut 302, push the workpiece to the center of the workbench 1 under the cooperation of the transverse positioning plates 2 and the longitudinal positioning plates 4, and after the workpiece is lifted and fixed by the bearing seat 6 from the workbench 1, the positioning plates continue to move to below the workpiece and support the edges of the workpiece in cooperation with the bearing seat 6.

[0023] In the embodiment, a through hole 103 is formed at the center of the workbench 1, the bearing seat 6 is movably installed in the through hole 103, a plurality of groups of light poles 7 are fixedly installed at the bottom end edge of the through hole 103, the bottom plate 8 is slidably installed on the light poles 7, a plurality of groups of supporting poles 9 are fixedly installed at the bottom end of the bearing seat 6, the bottom end of the supporting pole 9 is fixedly connected with the bottom plate 8, the fixed frame 10 is arranged below the bottom plate 8 and is fixedly installed at the bottom of the workbench 1 through bolts, the electric telescopic rod 11 is fixedly installed on the fixed frame 10, the power output shaft of the electric telescopic rod 11 is fixedly connected with the bottom plate 8, in the positioning process, the bottom plate 8 is driven to ascend along the light poles 7 through the electric telescopic rod 11, the bearing seat 6 is synchronously moved with the bottom plate 8 and is contacted with the workpiece, and the workpiece is lifted from the workbench 1, and the workpiece is fixed through negative pressure adsorption, so that the workpiece is drilled.

[0024] In the embodiment, the top surfaces of the bearing seat 6, the transverse positioning plate 2 and the longitudinal positioning plate 4 are attached with anti-skid pads 12, the friction between the workpiece and the anti-skid pads 12 is increased, the positioning effect of the workpiece is improved, and the workpiece is protected through the anti-skid pads 12, so that the workpiece is not broken when the glass and other fragile materials are machined.

[0025] In use, first, the workpiece to be machined is placed to the inside of the transverse positioning plate 2 and the longitudinal positioning plate 4, then the transverse positioning plate 2 and the longitudinal positioning plate 4 are driven to move to the center of the workbench 1 through the transverse driving assembly 3 and the longitudinal driving assembly 5, the workpiece is moved to the center of the workbench 1 under the pushing of the positioning plate, then the electric telescopic rod 11 is started, the electric telescopic rod 11 drives the bearing seat 6 to ascend and contact the bottom surface of the workpiece, the suction port 602 is connected with a suction device (not shown in the figure) through an air pipe, air in the negative pressure chamber 601 is sucked out, so that the workpiece is fixed through negative pressure adsorption, the electric telescopic rod 11 continues to drive the bearing seat 6 to ascend and lift the workpiece from the workbench 1, at this time, the transverse positioning plate 2 and the longitudinal positioning plate 4 continue to move to below the workpiece, and the edge of the workpiece is supported by the bearing seat 6, so that the subsequent machining of the automatic drilling machine is facilitated, the positioning speed of the workpiece is effectively improved, and the labor intensity of workers is reduced.

[0026] The above embodiment is only an exemplary embodiment of the utility model and is not used for limiting the utility model, and the protection scope of the utility model is defined by the claims. Those skilled in the art can make various modifications or equivalent replacements to the utility model within the spirit and protection scope of the utility model, and the modification or equivalent replacement should also be regarded as falling within the protection scope of the utility model.

Claims

1. A positioning device for an automatic drilling machine, characterized in that: The device includes a workbench (1), on the top of which a limiting mechanism is movably installed. The limiting mechanism includes two sets of horizontal positioning plates (2) and two sets of vertical positioning plates (4). The horizontal positioning plates (2) and the vertical positioning plates (4) are arranged perpendicular to each other. The bottom of the workbench (1) is provided with a driving mechanism. The center of the workbench (1) is provided with a positioning mechanism. The positioning mechanism includes a support seat (6). The support seat (6) is movably installed on the workbench (1). The top plate of the support seat (6) is provided with a negative pressure chamber (601). The bottom of the support seat (6) is provided with an air extraction port (602). The air extraction port (602) is connected to the negative pressure chamber (601).

2. The positioning device for an automatic drilling machine according to claim 1, characterized in that, The workbench (1) has a rectangular structure. Two sets of horizontal positioning plates (2) are movably installed on the left and right ends of the workbench (1). The bottom end of the horizontal positioning plate (2) is provided with two sets of first connecting parts (201). The top of the workbench (1) is provided with a horizontal sliding groove (101) that matches the first connecting part (201). The first connecting part (201) is installed in the sliding groove.

3. The positioning device for an automatic drilling machine according to claim 2, characterized in that, The driving mechanism includes a transverse driving component (3) and a longitudinal driving component (5). The transverse driving component (3) includes a bidirectional lead screw (301). The bidirectional lead screw (301) is rotatably mounted on the bottom of the worktable (1). A servo motor (305) is fixedly mounted on the left side of the worktable (1). The power output shaft of the servo motor (305) is fixedly connected to the bidirectional lead screw (301). Lead screw nuts (302) are fitted at both ends of the bidirectional lead screw (301). The two sets of lead screw nuts (302) are fixedly connected to one of the first connecting parts (201) at the bottom of the two sets of transverse positioning plates (2). A slide (303) is fixedly mounted on the other set of first connecting parts (201) at the bottom of the two sets of transverse positioning plates (2). The slide (303) is slidably mounted on a guide rod (304). The guide rod (304) is fixedly mounted on the bottom of the worktable (1).

4. The positioning device for an automatic drilling machine according to claim 3, characterized in that, Two sets of longitudinal positioning plates (4) are movably installed at the front and rear ends of the workbench (1). The bottom end of the longitudinal positioning plate (4) is provided with two sets of second connecting parts (401). The top of the workbench (1) is provided with a longitudinal slide groove (102) that matches the second connecting part (401). The second connecting part (401) is installed in the longitudinal slide groove (102).

5. A positioning device for an automatic drilling machine according to claim 4, characterized in that, The structure of the longitudinal drive assembly (5) is the same as that of the transverse drive assembly (3). Each component of the longitudinal drive assembly (5) is connected to the longitudinal positioning plate (4) through the second connecting part (401). The length of the second connecting part (401) is greater than the length of the first connecting part (201).

6. A positioning device for an automatic drilling machine according to claim 1, characterized in that, A through hole (103) is provided at the center of the workbench (1). The bearing seat (6) is movably installed in the through hole (103). Several sets of light rods (7) are fixedly installed at the bottom edge of the through hole (103). A base plate (8) is slidably installed on the light rods (7). Several sets of support rods (9) are fixedly installed at the bottom of the bearing seat (6). The bottom end of the support rods (9) is fixedly connected to the base plate (8). A fixing frame (10) is provided below the base plate (8). The fixing frame (10) is fixedly installed at the bottom of the workbench (1). An electric telescopic rod (11) is fixedly installed on the fixing frame (10). The power output shaft of the electric telescopic rod (11) is fixedly connected to the base plate (8).

7. A positioning device for an automatic drilling machine according to claim 6, characterized in that, Anti-slip pads (12) are attached to the top surfaces of the bearing seat (6), the transverse positioning plate (2) and the longitudinal positioning plate (4).

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