CN203409303U - Graduated deep hole drilling machine - Google Patents

Abstract

The utility model discloses a graduated deep hole drilling machine. The graduated deep hole drilling machine comprises a drilling machine body (10), a guide rail and a drill feed base (20), wherein the drill feed base (20) carries a driving device (22). The graduated deep hole drilling machine further comprises a workpiece clamping mechanism (40) in sliding fit on one end of the guide rail and far away from the drill feed base (20), and a workpiece locating base (30) in sliding fit on the guide rail, wherein the workpiece locating base (30) is provided with a workpiece locating device (31); the workpiece locating base (30) and the workpiece locating device (31) are provided with through holes for the drill to pass through; the workpiece clamping mechanism (40) comprises a servo motor (46), and a workpiece clamping device (43) which is driven to rotate by the servo motor (46) and can move vertically. The graduated deep hole drilling machine is simple to operate, can improve the deep hole processing efficiency, and is suitable for processing the workpieces in various shapes.

Description

Indexing deep hole drilling machine

technical field

The utility model relates to the field of mechanical processing, specifically an indexing deep hole drilling machine.

Background technique

Deep hole processing is an important part of mechanical processing, especially the processing of long and thin holes. When the number is small, the method of directly punching holes on the workpiece is generally used. When the number is large and the holes to be punched have certain rules , Using the drilling template for indexing processing, that is, aligning the drill bit with the hole on the drilling template to process the workpiece. The above indexing drilling method has low indexing accuracy and it is difficult to realize automatic drilling. In view of the above existing problems, some people have made some designs and improvements to the indexing drilling, such as adopting the following structure to index the workpiece: it includes a motor, a transmission shaft, a rotating shaft, a workbench and a cylindrical support, and the rotating shaft is located on the support. in the seat and connected with the worktable at one end of the support, the motor is connected with the other end of the support, the inner end of the transmission shaft is connected with the rotating shaft and the outer end of the transmission shaft passes through the support and is connected with the output shaft of the motor. The support is provided with a clamping mechanism that can move along the axial direction of the transmission shaft and clamp and position the transmission shaft when the motor drives the transmission shaft to rotate through a certain angle. Using the above structure to index the workpiece first and then use the tool to machine the workpiece has the following disadvantages: the use of a cylindrical bracket, the output shaft of the motor, the transmission shaft and the rotating shaft are set coaxially, which is only suitable for the classification of cylindrical workpieces. The ordinary motor in the support drives the rotation angle of the transmission shaft, and the processing accuracy cannot be guaranteed; after the transmission shaft rotates through a certain angle, the clamping mechanism clamps the transmission shaft to process the workpiece hole, and releases the transmission shaft after processing. Then rotate an angle, cycle processing, and change the clamping structure many times, the operation process is complicated, the labor load is large, and the work efficiency is low.

Utility model content

The technical problem to be solved by the utility model is: to overcome the defects of the prior art above, to provide an indexing deep hole drilling machine which is suitable for various shapes of workpieces, improves the processing accuracy, is simple to operate, and can improve the efficiency of deep hole processing.

The technical solution adopted by the utility model is to provide an indexing deep hole drilling machine, which includes a drilling machine bed and a guide rail arranged on the bed, and a drill feed seat slidingly fitted on one end of the guide rail. The feed seat is equipped with a driving device for driving the drill bit to rotate. The drill feed seat and the drilling machine bed are also provided with a supporting device for driving the drill feed seat to move linearly. The indexing deep hole drilling machine also includes a sliding fit The workpiece clamping mechanism on the guide rail and away from the end of the drill bit feeding seat, and the workpiece positioning seat slidingly fitted on the guide rail between the drill bit feeding seat and the workpiece clamping mechanism, the workpiece positioning seat and the workpiece The clamping mechanism is provided with a positioning device that can be positioned at a predetermined position on the guide rail; a workpiece positioning device that can move in the vertical direction is installed on the described workpiece positioning seat; The height is provided with a through hole for the drill bit to pass through; the workpiece clamping mechanism includes a servo motor that can move in the vertical direction and a workpiece clamping device that is driven by the servo motor to rotate and can move in the vertical direction; the described The axes of the drill bit, the workpiece positioning device and the workpiece clamping device are located on the same vertical plane.

After adopting the above structure, the indexing deep hole drilling machine of the utility model has the following advantages compared with the prior art: a workpiece positioning device that can move in the vertical direction is installed on the workpiece positioning seat, which plays a role of installation and reinforcement for the workpiece to be processed. And the position of the workpiece can be adjusted up and down; the workpiece positioning seat and the workpiece positioning device have a through hole at the height of the corresponding drill bit, so that the drill bit passes through the workpiece positioning seat to punch the workpiece to prevent the drill bit from shifting; the workpiece clamping mechanism Slidingly fitted on the track, it can be translated along the guide rail, which is convenient for adjusting the workpiece to an appropriate position on the horizontal line; the continuous indexing of the servo motor improves the machining accuracy and reduces the indexing error. Through the adjustment of the servo motor, the center of the workpiece installation remains unchanged and the eccentricity The hole is aligned with the tool for processing, which simplifies the operation process, reduces labor intensity, and improves work efficiency; the axes of the drill bit, the workpiece positioning device and the workpiece clamping device are located on the same vertical plane, so that the drill bit can correctly punch the workpiece without Offset occurs.

As an improvement, the workpiece positioning device is installed on the end of the workpiece positioning seat close to the workpiece clamping mechanism, and is used for mounting and fixing the workpiece.

As an improvement, the workpiece positioning device can move in the vertical direction, which means that the workpiece positioning device is slidingly matched with the track at the end of the workpiece positioning seat close to the workpiece clamping mechanism, and the workpiece positioning seat is also provided with a bolt seat and a bolt, the screw rod of the bolt is threaded, and passes through the threaded hole on the bolt seat and the through hole in the vertical direction on the upper part of the workpiece positioning device in turn, and the contact position between the bolt and the workpiece positioning device is axially limited, so that the workpiece The positioning device can move freely in the vertical direction to adjust the workpiece to a suitable height position.

As an improvement, the workpiece clamping mechanism also includes a concave support that can translate along the guide rail, and a support frame that can move vertically along it is arranged in the concave support, and the support frame and the concave support The contact part of the shaped support is provided with a positioning device that can position the support frame at a predetermined height position. The servo motor is connected to the workpiece clamping device and arranged on the support frame. The servo motor and the workpiece clamping device are supported by the support frame. Adjust the workpiece to a suitable height in the vertical direction to facilitate accurate drilling.

As an improvement, the connection between the servo motor and the workpiece clamping device means that the workpiece clamping mechanism also includes a transmission shaft and a reducer, the output shaft of the servo motor is connected with the reducer, and the output shaft of the reducer is connected with the transmission shaft connected, the transmission shaft is detachably connected to the workpiece clamping device through the support frame, and different workpiece clamping devices can be replaced according to workpieces of different shapes.

As an improvement, the workpiece positioning device has a truncated cone-shaped protrusion in the middle, which can reinforce and limit the workpiece when installing the workpiece, and prevent the workpiece from moving during processing.

As an improvement, the number of the drill bits is 2 and they are arranged in parallel, and they are all connected to the same driving device; On the workpiece positioning seat, it slides and fits with two vertical rails on the side of the workpiece positioning seat; the number of workpiece clamping devices and transmission shafts on the workpiece clamping mechanism are both 2 and arranged in parallel with each other, and are controlled by the same servo The motor is connected to the workpiece clamping device through the reducer and the drive shaft, which can process two workpieces with the same drilling requirements at the same time, improving the processing efficiency of the workpiece.

Description of drawings

Fig. 1 is the three-dimensional structural schematic diagram of the indexing deep hole drilling machine of the present invention.

Fig. 2 is a side view of the workpiece positioning device of the utility model indexing deep hole drilling machine.

Fig. 3 is a top view of the workpiece clamping mechanism of the indexing deep hole drilling machine of the present invention.

Fig. 4 is a schematic diagram of the workpiece to be processed according to the embodiment of the utility model.

Among them, 10, drilling machine, 20, drill bit feeding seat, 21, drill bit, 22, driving device, 30, workpiece positioning seat, 31, workpiece positioning device, 32, drill bit fixing sleeve, 40, workpiece clamping mechanism, 41, Concave support, 42, bracing frame, 43, workpiece clamping device, 44, transmission shaft, 45, speed reducer, 46, servo motor.

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment, the utility model is further described.

As shown in Figure 1, the utility model includes providing an indexing deep hole drilling machine, comprising a drilling machine bed 10 and a guide rail arranged on the bed 10, and a drill feed seat 20 slidingly fitted at one end of the guide rail, so that The drill bit feeding base 20 is equipped with a driving device 22 for driving the drill bit 21 to rotate, and the described drill bit feeding base 20 is also provided with a device for driving the drill bit feeding base 20 to move linearly. The indexing deep hole drilling machine It also includes a workpiece clamping mechanism 40 that is slidably fitted on the guide rail and away from the end of the drill bit feeding seat 20, and a workpiece positioning seat that is slidably fitted on the guide rail between the drill bit feeding seat 20 and the workpiece clamping mechanism 40 30, the workpiece positioning seat 30 and the workpiece clamping mechanism 40 are all provided with a positioning device that can be positioned at a predetermined position on the guide rail; The workpiece positioning device 31 that moves in the vertical direction is provided with a positioning device that enables the workpiece positioning device 31 to be positioned at a predetermined height on the workpiece positioning seat 30. There is a truncated cone-shaped protrusion in the middle of the described workpiece positioning device 31; The workpiece positioning seat 30 and the workpiece positioning device 31 are provided with a through hole for the drill bit to pass through at the height corresponding to the drill bit 21; the workpiece clamping mechanism 40 includes a workpiece clamp that is driven by a servo motor 46 and can move in the vertical direction. tightening device 43; the axes of the drill bit 21, the workpiece positioning device 31 and the workpiece clamping device 43 are located on the same vertical plane; the workpiece clamping mechanism 40 also includes a concave support 41 that can translate along the guide rail , the concave support 41 is provided with a support frame 42 that can move vertically along it, and a positioning device that enables the support frame 42 to be positioned at a predetermined height position is provided on the workpiece clamping mechanism 40, and the servo The output shaft of the motor 46 is connected with the reducer 45 , the output shaft of the reducer 45 is connected with the transmission shaft 44 , and the transmission shaft 44 passes through the support frame 42 and is detachably connected with the workpiece clamping device 43 . The number of the drill bits 21 is 2 and arranged in parallel, all connected to the same drive device 22; on the side of the workpiece positioning seat 30 to slide and cooperate with the two vertical rails; the number of the workpiece clamping device 43 and the transmission shaft 44 on the workpiece clamping mechanism 40 are both two and arranged in parallel with each other, and the same The servo motor 46 is connected to the workpiece clamping device 43 via a reducer 45 and a drive shaft 44 .

When the utility model processes the workpiece as shown in Figure 4, move the workpiece positioning seat 30 to an appropriate position on the guide rail, the positioning device on the workpiece positioning seat 30 adopts the top tightening screw to tighten the position, and the workpiece clamping device 43 clamps the left end of the workpiece. Generally, a three-jaw chuck is used at the mark, and the thick solid line part at the right end of the workpiece and the protruding part of the workpiece positioning device 31 are pushed against the workpiece to ensure that the workpiece does not move relative to each other during processing. Tighten the workpiece clamping mechanism 40 and the guide rail. The contact tightening screw is the positioning device on the workpiece clamping mechanism 40 . Adjust the height of the workpiece positioning device 31 in the vertical direction so that the drill bit fixing sleeve 32 is coaxial with the hole to be processed on the workpiece, and then adjust the workpiece clamping device 43 to the same height as the workpiece positioning device 31, so that the center of the workpiece The axis is parallel to the hole to be machined. The operation of the drill drive device 22 drives the drill bit 21 to operate, and the drill bit feeding seat 20 is driven by a device capable of linear motion to punch holes in the workpiece. Servo motor 46 runs to make the workpiece rotate, rotate to the required angle of the workpiece, and then process.

The preferred embodiments of the present invention have been described above, but should not be construed as limiting the claims. The utility model is not limited to the above embodiments, and its specific structure allows changes, such as: according to the actual situation, the number of drill bits and supporting facilities can be appropriately increased; the workpiece clamping device can be replaced when processing workpieces of other shapes. Various changes made within the protection scope of the independent requirements of the utility model all fall within the protection scope of the utility model.

Claims (8)

1. a calibration deep hole drilling machine, comprise drilling machine lathe bed (10) and be arranged on the guide rail on lathe bed (10), and the drill bit feeding seat (20) that is slidably fitted in described guide rail one end, described drill bit feeding seat (20) is uploaded and is useful on the drive unit (22) that drives drill bit (21) to rotate, on described drill bit feeding seat (20) and drilling machine lathe bed (10), be also provided with and drive the straight-line corollary apparatus of drill bit feeding seat (20), it is characterized in that: described calibration deep hole drilling machine also comprises and being slidably fitted on described guide rail and away from the clamping workpiece mechanism (40) of drill bit feeding seat (20) one end, and be slidably fitted in the workpiece positioning seat (30) on the guide rail between described drill bit feeding seat (20) and clamping workpiece mechanism (40), described workpiece positioning seat (30) and clamping workpiece mechanism (40) be equipped with can be on guide rail the positioner of location, precalculated position, the Working piece positioning device (31) that can move at vertical direction is installed on described workpiece positioning seat (30), described workpiece positioning seat (30) is provided with at the height of corresponding drill bit (21) through hole passing through for drill bit with Working piece positioning device (31), described clamping workpiece mechanism (40) comprises servomotor (46) and by servomotor (46), is driven the Workpiece clamping device (43) that rotates and can move at vertical direction, described drill bit (21), Working piece positioning device (31) and Workpiece clamping device (43) three's axis is positioned on same vertical plane.

2. calibration deep hole drilling machine according to claim 1, is characterized in that: described Working piece positioning device (31) is arranged on described workpiece positioning seat (30) near on one end of described clamping workpiece mechanism (40).

3. calibration deep hole drilling machine according to claim 1 and 2, it is characterized in that: described Working piece positioning device (31) can move and refer at vertical direction, described Working piece positioning device (31) is slidably matched with the track of workpiece positioning seat (30) near clamping workpiece mechanism (40) one end, on described workpiece positioning seat (30), be also provided with bolt block and bolt, on the screw rod of described bolt, be threaded, and successively through the screwed hole on bolt block and the through hole of Working piece positioning device (31) top vertical direction, and the contact site axial limiting of bolt and Working piece positioning device.

4. calibration deep hole drilling machine according to claim 1, it is characterized in that: described clamping workpiece mechanism (40) also comprises can be along the spill bearing (41) of guide rail translation, in described spill bearing (41), be provided with along spill bearing (41) and make the bracing frame (42) that vertical direction moves, and in bracing frame (42) and the contact site of spill bearing (41), be provided with the positioner that can make bracing frame (42) locate in desired height position, described servomotor (46) is connected with Workpiece clamping device (43) and is all arranged on bracing frame (42).

5. calibration deep hole drilling machine according to claim 4, it is characterized in that: described servomotor (46) is connected and refers to Workpiece clamping device (43), the output shaft of servomotor (46) is connected with decelerator (45), the output shaft of decelerator (45) is connected with power transmission shaft (44), and described power transmission shaft (44) is through bracing frame (42) and removable connection of Workpiece clamping device (43).

6. calibration deep hole drilling machine according to claim 1, is characterized in that: described Working piece positioning device (31) is middle with frustum projection.

7. according to the calibration deep hole drilling machine described in any one in claim 1,2,4,5,6, it is characterized in that: the quantity of described drill bit (21) is 2 and be arranged in parallel, is all connected with same drive unit (22); The quantity of described Working piece positioning device (31), bolt and bolt block is 2 and parallel to each other being arranged on same workpiece positioning seat (30), is slidably matched with two vertical rails of workpiece positioning seat (30) side; Workpiece clamping device (43) in described clamping workpiece mechanism (40) and the quantity of power transmission shaft (44) are 2 and setting parallel to each other, by same servomotor (46), through decelerator (45), are connected Workpiece clamping device (43) with power transmission shaft (44).

8. calibration deep hole drilling machine according to claim 3, is characterized in that: the quantity of described drill bit (21) is 2 and be arranged in parallel, is all connected with same drive unit (22); The quantity of described Working piece positioning device (31), bolt and bolt block is 2 and parallel to each other being arranged on same workpiece positioning seat (30), is slidably matched with two vertical rails of workpiece positioning seat (30) side; Workpiece clamping device (43) in described clamping workpiece mechanism (40) and the quantity of power transmission shaft (44) are 2 and setting parallel to each other, by same servomotor (46), through decelerator (45), are connected Workpiece clamping device (43) with power transmission shaft (44).

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