Clamping mechanism of flange machining drilling machine

Abstract

The utility model discloses a clamping mechanism of a flange machining drilling machine, which relates to the technical field of flange machining and comprises a drilling machine main body, two arc-shaped clamping plates are arranged right above the drilling machine main body, and a clamping driving component used for enabling the two arc-shaped clamping plates to move towards each other or away from each other is mounted on the drilling machine main body. According to the flange clamping device, when the servo motor is started, the two arc-shaped clamping plates are driven by the two-way lead screw, the movable arm and the U-shaped connecting rod to move towards each other or away from each other to clamp and fix flanges with different diameters, and when the control hand wheel is rotated, the two arc-shaped clamping plates are driven by the two-way lead screw, the movable arm and the U-shaped connecting rod. The two vertical screws can be driven to rotate at the same time by controlling a rotating shaft, a second bevel gear, a hollow rotating shaft, a hexagonal rotating shaft and a first bevel gear, then the two upper pressing plates can be driven to move up and down at the same time, flanges of different thicknesses are rapidly pressed and fixed, workers do not need to sequentially control the two upper pressing plates, use is easy and convenient, and the working efficiency is improved. The working efficiency is improved, and the practicability is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to flange processing technical field especially relates to a clamping mechanism of flange processing drilling machine. BACKGROUND

[0002] Flange usually refers to the hole for connecting other things in the similar disc -shaped metal body's periphery fixedly used, and the flange usually has the eyelet, and the bolt can be tightly connected with two flanges, when producing and processing the flange, generally uses the drilling machine to carry out the punching, and generally needs to utilize the clamping mechanism to clamp and fix the flange before punching.

[0003] The prior art discloses a kind of clamping mechanisms of flange processing drilling machine in the patent with the publication number CN220783066U, different width flange processing pieces can be clamped by the clamping plate of setting, different thickness flange processing pieces can be clamped by the pressing plate of setting, so that it can keep stable in the processing process, prevent from deviating or one side warping and tilting phenomenon in the processing process, ensure that the punching position is accurate, but, in the process of use, staff need to rotate multiple handwheels in turn to press and fix flange of different thickness, operation is more complicated and time -consuming, lead to the reduction of work efficiency, it is inconvenient to use, for this, the utility model discloses a kind of clamping mechanisms of flange processing drilling machine to meet people's demand. UTILITY MODEL CONTENT

[0004] The utility model is to provide a kind of clamping mechanisms of flange processing drilling machine, to solve the problem that staff need to rotate multiple handwheels in turn to press and fix flange of different thickness in the above background art, it is more complicated and inconvenient to use.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: A clamping mechanism of flange machining drilling machine, the drilling machine main part is provided with two arc clamping plates in the directly upper side, the drilling machine main part is installed with the clamping drive assembly for making two arc clamping plates move towards or away from each other, the side of two arc clamping plates that are close to each other is fixedly installed with the lower pressing plate, the directly upper side of two lower pressing plates is provided with the upper pressing plate, the side of two arc clamping plates is evenly provided with vertical sliding hole, the bottom inner wall of two vertical sliding holes is provided with screw rod rotation hole, two screw rod rotation holes are rotatably installed with vertical screw rod, two upper pressing plates are respectively screwed on two vertical screw rods, the top of drilling machine main part is fixedly installed with two first mounting blocks, the side of two first mounting blocks is provided with first rotation hole, two first rotation holes are rotatably installed with hollow shaft, the bottom of two lower pressing plates is rotatably connected with hexagonal shaft through connecting unit, two hexagonal shafts are slidably connected in hollow shaft, the end of two hexagonal shafts that are away from each other and the bottom end of two vertical screw rods are fixedly installed with first bevel gear, two first bevel gears on the same side are meshed, the drilling machine main part is installed with control assembly for controlling the rotation of hollow shaft.

[0006] Preferably, the control assembly includes two second mounting blocks fixedly installed on the top of the drilling machine main body, the side of the two second mounting blocks is provided with a second rotation hole, the two second rotation holes are rotatably installed with a control shaft, one end of the control shaft and the hollow shaft are fixedly sleeved with a second bevel gear, the two second bevel gears are meshed, the other end of the control shaft is fixedly installed with a control hand wheel.

[0007] Preferably, the connecting unit includes a straight rod fixedly installed on the bottom of the lower pressing plate, the bottom end of the straight rod is fixedly installed with a connecting bearing, and the hexagonal shaft is fixedly sleeved in the connecting bearing.

[0008] Preferably, the clamping drive assembly includes a servo motor fixedly installed on the side of the drilling machine main body, the top of the drilling machine main body is provided with two strip-shaped sliding holes, two moving arms are slidably installed in the two strip-shaped sliding holes, the sides of the two arc clamping plates that are away from each other are fixedly installed with two U-shaped connecting rods, the two U-shaped connecting rods are respectively fixedly installed on the top ends of the two moving arms, the side walls of the two strip-shaped sliding holes that are close to each other are commonly provided with a screw rod rotation hole, a bidirectional screw rod is rotatably installed in the screw rod rotation hole, and the two moving arms are threadedly sleeved on the bidirectional screw rod.

[0009] Preferably, the control rotating shaft is sleeved with a locking gear, the top of the drilling machine body is fixedly provided with a fixed block, a horizontal sliding hole is formed in the side of the fixed block, a horizontal edge rod is slidably arranged in the horizontal sliding hole, one end of the horizontal edge rod is fixedly provided with a movable gear block engaged with the locking gear, the other end of the horizontal edge rod is fixedly provided with a handle block, and the fixed block is connected with an elastic extrusion unit for extruding the automatic reset of the horizontal edge rod.

[0010] Preferably, the elastic extrusion unit comprises a tab fixedly sleeved on the horizontal edge rod, the tab is located between the fixed block and the movable gear block, and the side of the fixed block and the tab that are close to each other are fixedly provided with an extrusion spring.

[0011] Preferably, the top of the drilling machine body is uniformly and fixedly provided with a plurality of supporting columns, and the top of the supporting column and the top of the lower pressing plate are located on the same horizontal plane.

[0012] In summary, the technical effects and advantages of the present application are:

[0013] 1. The utility model discloses a reasonable structure, when starting servo motor, will pass through two -way screw rod, moving arm and U -shaped link drive two arc clamping plates together to move towards or move away from each other to the flange of different diameters and carry out clamping fixation, when rotating control hand wheel, will pass through control rotating shaft, second bevel gear, hollow rotating shaft, hexagonal rotating shaft and first bevel gear drive two vertical screw rod rotate simultaneously, and two vertical screw rod rotate simultaneously will drive two upper pressing plate move up and down simultaneously, and then can fast to the flange of different thickness and carry out pressure fixation, and no longer need staff to control two upper pressing plate in turn, simple to use, save a large amount of time, improve work efficiency, and the practicality is good.

[0014] 2. In the utility model, when pulling or loosening the handle block, under the cooperation of the fixed block, the horizontal edge rod, the tab and the extrusion spring, the movable gear block can be away from and loosen the locking gear, or the movable gear block can be automatically reset and engaged with the locking gear, so that the control rotating shaft can be loosened or locked all the time. The utility model avoids the situation that the flange is loosened due to the self-rotation of the control rotating shaft during use, and is stable and reliable in use. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creating any creative labor.

[0016] Figure 1The utility model discloses a three -dimensional structure schematic diagram for the utility model;

[0017] Figure 2 The utility model discloses a front view cross section structure schematic diagram for the utility model;

[0018] Figure 3 It is the cooperation enlarged three -dimensional structure schematic diagram of arc clamping plate, control pivot and bidirectional screw rod in the utility model;

[0019] Figure 4 It is the partial enlarged structure schematic diagram of control pivot and mobile gear block joint in the utility model.

[0020] In the drawing: 1, drilling machine main body, 2, arc clamping plate, 3, lower pressing plate, 4, vertical screw rod, 5, upper pressing plate, 6, hollow pivot, 7, hexagonal pivot, 8, first bevel gear, 9, control pivot, 10, control hand wheel, 11, second bevel gear, 12, servo motor, 13, bidirectional screw rod, 14, mobile arm, 15, U-shaped connecting rod, 16, locking gear, 17, fixed block, 18, horizontal edge pole, 19, mobile gear block, 20, handle block, 21, extrusion spring, 22, support column. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and apparently, the described embodiments only are a 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 the ordinary skill in the art without making creative labor all belong to the range of protection of the utility model.

[0022] Embodiment: reference Figures 1-4The clamping mechanism of a flange machining drilling machine shown, including a drilling machine body 1, two arc-shaped clamping plates 2 are arranged above the drilling machine body 1, a clamping drive assembly for moving the two arc-shaped clamping plates 2 towards or away from each other is installed on the drilling machine body 1, the clamping drive assembly includes a servo motor 12 fixed on the side of the drilling machine body 1, two strip-shaped sliding holes are opened in the top of the drilling machine body 1, a moving arm 14 is slidingly installed in each of the two strip-shaped sliding holes, a U-shaped connecting rod 15 is fixedly installed on the side of each of the two arc-shaped clamping plates 2 away from each other, the two U-shaped connecting rods 15 are respectively fixedly installed on the top end of the two moving arms 14, a screw rod rotating hole is jointly opened in the inner wall of the side of the two strip-shaped sliding holes close to each other, a bidirectional screw rod 13 is rotatably installed in the screw rod rotating hole, the two moving arms 14 are threadedly sleeved on the bidirectional screw rod 13, one end of the bidirectional screw rod 13 extends out of the drilling machine body 1 and is fixedly connected with the output end of the servo motor 12, when the servo motor 12 is started, it will drive the bidirectional screw rod 13 to rotate, the bidirectional screw rod 13 rotating will drive the two moving arms 14 to move towards or away from each other, and then the two arc-shaped clamping plates 2 can be driven by the U-shaped connecting rod 15 to move towards or away from each other, so as to clamp and fix flanges of different diameters;

[0023] A lower pressing plate 3 is fixedly installed on the side of each of the two arc-shaped clamping plates 2 close to each other, an upper pressing plate 5 is arranged above each of the two lower pressing plates 3, vertical sliding holes are uniformly opened in the side of each of the two arc-shaped clamping plates 2, the two upper pressing plates 5 are respectively slidingly installed in the two vertical sliding holes, a screw rod rotating hole is opened in the inner wall of the bottom of each of the two vertical sliding holes, a vertical screw rod 4 is rotatably installed in each of the two screw rod rotating holes, the two upper pressing plates 5 are respectively threadedly sleeved on the two vertical screw rods 4, two first mounting blocks are fixedly installed on the top of the drilling machine body 1, a first rotating hole is opened in the side of each of the two first mounting blocks, a hollow rotating shaft 6 is jointly rotatably installed in the two first rotating holes, a hexagonal rotating shaft 7 is rotatably connected to the bottom of each of the two lower pressing plates 3 through a connecting unit, the two hexagonal rotating shafts 7 are slidingly sleeved in the hollow rotating shaft 6, a first bevel gear 8 is fixedly installed on the end of each of the two hexagonal rotating shafts 7 away from each other and the bottom end of each of the two vertical screw rods 4, the two first bevel gears 8 located on the same side are meshingly arranged, a control assembly for controlling the rotation of the hollow rotating shaft 6 is installed on the drilling machine body 1, the control assembly includes two second mounting blocks fixedly installed on the top of the drilling machine body 1, a second rotating hole is opened in the side of each of the two second mounting blocks, a control rotating shaft 9 is jointly rotatably installed in the two second rotating holes, a second bevel gear 11 is fixedly sleeved on one end of the control rotating shaft 9 and the hollow rotating shaft 6, the two second bevel gears 11 are meshingly arranged, a control hand wheel 10 is fixedly installed on the other end of the control rotating shaft 9.

[0024] By the above structure, when the servo motor 12 is started to move the two arc-shaped clamping plates 2 together to move towards each other to clamp and fix the flange, the operator can rotate the control hand wheel 10, which will drive the hollow rotating shaft 6 to rotate synchronously through the control rotating shaft 9 and the second bevel gear 11, and the hollow rotating shaft 6 will drive the two vertical screws 4 to rotate simultaneously through the hexagonal rotating shaft 7 and the first bevel gear 8, and the two vertical screws 4 will drive the two upper pressing plates 5 to move up and down simultaneously, thereby achieving the purpose of quickly pressing and fixing flanges of different thicknesses, and the operator no longer needs to manipulate the two upper pressing plates 5 one by one, which is simple and convenient to use, saves a lot of time, improves work efficiency, and has good practicality.

[0025] As shown in Figure 2 , the connecting unit includes a straight rod fixedly installed on the bottom of the lower pressing plate 3, and a connecting bearing is fixedly installed at the bottom end of the straight rod, and the hexagonal rotating shaft 7 is fixedly sleeved in the connecting bearing. The advantage of this arrangement is that the hexagonal rotating shaft 7 can move horizontally with the lower pressing plate 3, thereby ensuring that the first bevel gear 8 on the vertical screw 4 and the hexagonal rotating shaft 7 will always be in meshing state, which is stable during use.

[0026] As shown in Figure 3 and Figure 4 , the control rotating shaft 9 is fixedly sleeved with a locking gear 16, the top of the drilling machine body 1 is fixedly installed with a fixed block 17, a horizontal slide hole is formed in the side of the fixed block 17, a horizontal rib rod 18 is slidably installed in the horizontal slide hole, one end of the horizontal rib rod 18 is fixedly installed with a moving tooth block 19 engaged with the locking gear 16, the other end of the horizontal rib rod 18 is fixedly installed with a handle block 20, and the fixed block 17 is connected with an elastic extrusion unit for automatically resetting the horizontal rib rod 18, the elastic extrusion unit includes a tab fixedly sleeved on the horizontal rib rod 18, the tab is located between the fixed block 17 and the moving tooth block 19, and the side of the fixed block 17 and the tab are fixedly installed with an extrusion spring 21. When the handle block 20 is pulled, the moving tooth block 19 will be driven away from the locking gear 16 through the horizontal rib rod 18, and the control rotating shaft 9 will be in an unlocked state at this time, and the operator can rotate the control hand wheel 10 to press the flange, and when the handle block 20 is released, the tab will be automatically reset under the elastic force of the extrusion spring 21, and the moving tooth block 19 will be reset together through the horizontal rib rod 18 to automatically engage with the locking gear 16, so that the control rotating shaft 9 can be locked and cannot be rotated, thereby avoiding the self-rotation of the control rotating shaft 9 during use, which can cause the flange to loosen, and the device is stable and reliable during use.

[0027] As shown in Figure 1As shown, the top of the drill bed body 1 is uniformly fixed with a plurality of support columns 22, the top end of the support column 22 and the top of the lower pressing plate 3 are located on the same horizontal plane. Through the setting of the support column 22, the flange can be supported to reduce the bending of the flange during the machining process.

[0028] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing embodiments of the present application have been described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.

Claims

1. A clamping mechanism for a flange machining drilling machine, comprising a drilling machine body (1), characterized in that: Two arc-shaped clamping plates (2) are arranged directly above the main body (1) of the drilling machine. A clamping drive assembly for moving the two arc-shaped clamping plates (2) towards or away from each other is installed on the main body (1). Lower pressure plates (3) are fixedly installed on the sides of the two arc-shaped clamping plates (2) that are close to each other. An upper pressure plate (5) is arranged directly above the two lower pressure plates (3). Vertical sliding holes are evenly opened on the sides of the two arc-shaped clamping plates (2). Screw rotating holes are opened on the bottom inner walls of the two vertical sliding holes. Vertical screws (4) are rotatably installed in the two screw rotating holes. The two upper pressure plates (5) are respectively threaded onto the two vertical screws (4). Two first mounting blocks are fixedly installed on the top of (1). The sides of the two first mounting blocks are provided with first rotating holes. Hollow rotating shafts (6) are rotatably installed in the two first rotating holes. The bottoms of the two lower pressure plates (3) are rotatably connected to hexagonal rotating shafts (7) through connecting units. The two hexagonal rotating shafts (7) are slidably sleeved in the hollow rotating shafts (6). The ends of the two hexagonal rotating shafts (7) that are far apart from each other and the bottom ends of the two vertical screws (4) are fixedly installed with first bevel gears (8). The two first bevel gears (8) located on the same side are meshed with each other. A control component for controlling the rotation of the hollow rotating shafts (6) is installed on the main body (1) of the drilling machine.

2. The clamping mechanism of a flange machining drilling machine according to claim 1, characterized in that: The control assembly includes two second mounting blocks fixedly mounted on the top of the drill body (1). Each of the two second mounting blocks has a second rotating hole on its side. A control shaft (9) is rotatably mounted in both of the two second rotating holes. A second bevel gear (11) is fixedly sleeved on one end of the control shaft (9) and the hollow shaft (6). The two second bevel gears (11) are meshed with each other. A control handwheel (10) is fixedly mounted on the other end of the control shaft (9).

3. The clamping mechanism of a flange machining drilling machine according to claim 1, characterized in that: The connecting unit includes a straight rod fixedly installed on the bottom of the lower pressure plate (3), and a connecting bearing is fixedly installed at the bottom end of the straight rod. The hexagonal rotating shaft (7) is fixedly sleeved in the connecting bearing.

4. The clamping mechanism of a flange machining drilling machine according to claim 1, characterized in that: The clamping drive assembly includes a servo motor (12) fixed on the side of the drill body (1). The top of the drill body (1) has two strip-shaped sliding holes. Moving arms (14) are slidably installed in both strip-shaped sliding holes. U-shaped connecting rods (15) are fixedly installed on the sides of the two arc-shaped clamps (2) that are far apart from each other. The two U-shaped connecting rods (15) are respectively fixedly installed on the top ends of the two moving arms (14). A lead screw turning hole is opened on the inner wall of the sides of the two strip-shaped sliding holes that are close to each other. A bidirectional lead screw (13) is rotatably installed in the lead screw turning hole. Both moving arms (14) are threaded onto the bidirectional lead screw (13). One end of the bidirectional lead screw (13) extends to the outside of the drill body (1) and is fixedly connected to the output end of the servo motor (12).

5. The clamping mechanism of a flange machining drilling machine according to claim 2, characterized in that: A locking gear (16) is fixedly sleeved on the control shaft (9). A fixing block (17) is fixedly installed on the top of the drill body (1). A horizontal sliding hole is opened on the side of the fixing block (17). A horizontal rib (18) is slidably installed in the horizontal sliding hole. A movable tooth block (19) that meshes with the locking gear (16) is fixedly installed at one end of the horizontal rib (18). A handle block (20) is fixedly installed at the other end of the horizontal rib (18). An elastic extrusion unit for automatically resetting the horizontal rib (18) is connected to the fixing block (17).

6. The clamping mechanism of a flange machining drilling machine according to claim 5, characterized in that: The elastic compression unit includes a protrusion fixedly sleeved on the horizontal rib (18), the protrusion being located between the fixed block (17) and the moving tooth block (19), and a compression spring (21) being fixedly installed on the sides of the fixed block (17) and the protrusion that are close to each other.

7. The clamping mechanism of a flange machining drilling machine according to claim 1, characterized in that: The top of the drill body (1) is uniformly fixed with a plurality of support columns (22), and the top of the support columns (22) and the top of the lower pressure plate (3) are located on the same horizontal plane.

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