CN115255428A

CN115255428A - Online boring machining device

Info

Publication number: CN115255428A
Application number: CN202210674218.XA
Authority: CN
Inventors: 梁铭坚; 韩亮; 陈坛; 梁振宇
Original assignee: Hainan Jingyi Mechanical And Electrical Equipment Co ltd
Current assignee: Hainan Jingyi Mechanical And Electrical Equipment Co ltd
Priority date: 2022-06-15
Filing date: 2022-06-15
Publication date: 2022-11-01

Abstract

The invention relates to the technical field of boring processing, and discloses an online boring processing device which comprises a machine tool, a fixed seat, a boring mechanism and a moving mechanism, wherein the fixed seat plays a role in clamping a processed part, the boring mechanism comprises a motor, a boring cutter bar and a cutter, the boring cutter bar is clamped with the output end of the motor, the cutter is fixed on the outer side wall of the front end of the boring cutter bar, the cutter is vertical to the axis of the boring cutter bar, a detection rod made of brittle materials is arranged behind the cutter, the detection rod is parallel to the cutter, the detection rod is connected with the boring mechanism through a connecting piece, the distance between the front end of the detection rod and the boring cutter bar is smaller than that between the front end of the cutter and the boring cutter bar, the device can know the abrasion condition of the cutter in time, avoid invalid boring due to the abrasion of the cutter, and replace the cutter in time, so that the processing time is shortened.

Description

Online boring machining device

Technical Field

The invention relates to a boring device, in particular to an online boring device.

Background

The hole boring refers to further processing of forged, cast or drilled holes, and can enlarge the aperture, improve the precision, reduce the surface roughness and better correct the deviation of the original hole axis. The boring method is roughly divided into two methods, one method is to fix a cutter, clamp a workpiece by using a clamping piece, drive the workpiece to rotate through a driving part, and gradually approach the cutter for processing; and the other mode is opposite, the workpiece is fixed, and the cutter is driven to rotate by the driving part to gradually approach the workpiece for processing. Because the change of the inner diameter of the machined part is difficult to see by naked eyes, the hole diameter and the like can be measured by the measuring tool after the boring operation of the machined part is finished, and whether the detection is qualified or not can be judged. However, in the boring process, the cutter may be worn, once the cutter is worn, the hole diameter of the front end of the workpiece is inevitably larger than that of the rear end, and if the length of the workpiece is long, the workpiece is measured and reworked after the boring is finished, so that a great amount of time is wasted.

Disclosure of Invention

Therefore, the invention provides an online boring device to solve the technical problems.

The technical scheme of the invention is realized as follows:

the invention provides an online boring processing device which comprises a machine tool, a fixed seat, a boring mechanism and a moving mechanism, wherein the fixed seat plays a role in clamping a workpiece, the moving mechanism drives the boring mechanism to move, the boring mechanism comprises a motor, a boring cutter bar and a cutter, the boring cutter bar is clamped with the output end of the motor, the cutter is fixed on the outer side wall of the front end of the boring cutter bar, the cutter is vertical to the axis of the boring cutter bar, a detection rod made of brittle materials is arranged behind the cutter, the detection rod is parallel to the cutter, the detection rod is connected with the boring mechanism through a connecting piece, and the distance between the front end of the detection rod and the boring cutter bar is smaller than the distance between the front end of the cutter and the boring cutter bar.

Preferably, the detection rod is connected with the boring cutter bar through a clamp, the detection rod is detachably connected with the clamp, and the clamp is detachably connected with the boring cutter bar.

Preferably, the fixed seat is connected with the machine tool, the boring mechanism is mounted above the fixed seat through a connecting frame, the moving mechanism is arranged on the connecting frame, and the boring mechanism is connected with the moving mechanism.

Preferably, the fixing base includes fixed station and centre gripping subassembly, centre gripping subassembly evenly distributed is in around the fixed station, the centre gripping subassembly includes grip slipper and telescopic machanism, telescopic machanism installs the inside of fixed station, the hole of placing has been seted up at the center of fixed station, the grip slipper is located place downtheholely, set up radial hole groove in the fixed station, telescopic machanism pass the hole groove with the grip slipper is connected.

Preferably, the holder is "L" type, the holder includes horizontally supporting baseplate and vertical centre gripping curb plate, supporting baseplate and centre gripping curb plate fixed connection, telescopic machanism with the centre gripping curb plate is connected.

Preferably, the telescopic mechanism comprises a hydraulic cylinder, the hydraulic cylinder is installed inside the fixed table, a supporting shaft is arranged in the hole groove, the supporting shaft is connected with the inner wall of the hole groove in a sliding mode, the front end of the supporting shaft is connected with the clamping seat, and the rear end of the supporting shaft is connected with a piston rod of the hydraulic cylinder.

Preferably, an arc-shaped clamping piece is further arranged at the front end of the clamping side plate, a clamping groove is formed in the front end of the clamping side plate, a clamping column in sliding connection with the clamping groove is arranged at the rear end of the clamping piece, and the clamping piece is detachably connected with the clamping side plate through the clamping column.

Preferably, a waste material box for collecting scrap iron is arranged below the fixing table and communicated with the placing hole.

Preferably, the outer surface of the detection rod is coated with a color pigment for easy observation.

Preferably, a connecting plate parallel to the boring cutter bar is fixedly mounted on a shell of the motor, a bottom support is arranged on the connecting plate and detachably connected with the connecting plate, the detection rod is detachably connected with the bottom support and mutually perpendicular to the connecting plate.

Compared with the prior art, the invention has the beneficial effects that:

the invention provides an online boring device, which is characterized in that a workpiece is fixed through a fixed seat, a motor drives a boring cutter bar and a cutter to rotate, the cutter cuts an inner hole of the workpiece under high-speed rotation, a detection rod enters the inner hole of the workpiece behind the cutter to detect the inner diameter of the inner hole, if the cutter is abraded in the boring process, the inner diameter of a front section hole of the workpiece is large, and the inner diameter of a rear section hole of the workpiece is small, at the moment, when the detection rod moves continuously, the inner wall of a small-diameter hole can be contacted with the detection rod to cause breakage of the detection rod, the abrasion condition of the cutter can be known in time by observing whether the detection rod is broken, invalid boring caused by cutter abrasion is avoided, the cutter is replaced in time, and the machining time is shortened.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only preferred embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic front structural view of a first embodiment of the present invention;

FIG. 2 is a top plan view of a mounting plate according to one embodiment of the present invention;

FIG. 3 is a top cross-sectional view of a mounting plate according to one embodiment of the invention;

FIG. 4 is a schematic diagram illustrating a positional relationship between a cutter and a detection rod according to a first embodiment of the present invention;

FIG. 5 is a schematic view showing a connecting structure of a cutter and a detection rod according to a second embodiment of the present invention;

fig. 6 is a schematic front view of a connecting plate according to a second embodiment of the present invention.

In the figure, 1 machine tool, 2 moving mechanism, 3 motor, 4 boring cutter bar, 5 cutter, 6 detection rod, 7 clamp, 8 fixed table, 9 clamping seat, 10 supporting bottom plate, 11 clamping side plate, 12 hydraulic cylinder, 13 supporting shaft, 14 clamping piece, 15 clamping column, 16 waste material box, 17 connecting plate and 18 bottom support.

Detailed Description

In order to better understand the technical content of the invention, specific embodiments are provided below, and the invention is further described with reference to the accompanying drawings.

Example one

Referring to fig. 1 to 4, the invention provides an online boring device, which includes a machine tool 1, a fixed seat for clamping a workpiece, a boring mechanism and a moving mechanism 2 for driving the boring mechanism to move, wherein the moving mechanism 2 may be a commercially available hydraulic telescopic cylinder or a lifting motor 3 cooperating with a guide rail and other existing devices, and the improvement point of the online boring device is that the moving mechanism 2 is not used, so that too much description is not provided, the boring mechanism includes a motor 3, a boring cutter bar 4 and a cutter 5, the boring cutter bar 4 is clamped with an output end of the motor 3, the cutter 5 is fixed on an outer side wall of a front end of the boring cutter bar 4, the cutter 5 is perpendicular to an axis of the boring cutter bar 4, a detection rod 6 made of brittle materials such as ceramic or glass is arranged behind the cutter 5, the detection rod 6 of the online boring device is a thin glass rod which is easy to fold, the detection rod 6 is parallel to the cutter 5, the detection rod 6 is connected with the boring mechanism through a connecting piece, and a distance between the front end of the detection rod 6 and the boring cutter bar 4 is smaller than a distance between the front end of the cutter bar 4 and the boring mechanism.

Put into lathe 1's fixing base with the machined part in, fix the machined part through the fixing base, starting motor 3 drives bore hole cutter arbor 4 and cutter 5 and rotates, utilizes hydraulic telescoping rod control motor 3 to remove to the machined part, and cutter 5 cuts the hole of machined part under high-speed rotation to the internal diameter in enlarged hole, motor 3 toward the in-process that the machined part direction removed, detect stick 6 with the hole that gets into the machined part behind cutter 5, detect the internal diameter of hole. If the cutter 5 is not worn, the detection rod 6 shorter than the cutter 5 cannot be contacted with the wall surface of the inner hole, and the detection rod 6 is kept in a complete state; if the tool 5 is worn in the boring process, the inner diameter of the hole bored by the worn tool 5 is smaller than the inner diameter of the hole bored by the undamaged tool 5, and the inner diameter of the front section of the hole of the workpiece is larger than the inner diameter of the rear section of the hole, at this time, when the detection rod 6 continues to move, the inner wall of the small-diameter hole may contact with the detection rod 6 to cause the detection rod 6 to break. Assuming that the allowable error value of the boring hole is Y, the distance difference between the cutter 5 and the detection rod 6 can be adjusted to be Y, if the abrasion degree of the cutter 5 is less than Y, the detection rod 6 cannot be contacted with the inner wall of the workpiece, and the workpiece cannot be cracked; if the tool 5 is worn more than Y, the inspection bar 6 will contact the inner wall of the workpiece, and the inspection bar 6 will be broken. Whether break through observing the detection stick 6 can in time know the wearing and tearing condition of cutter 5, avoid causing invalid bore hole because of cutter 5 wearing and tearing, accomplish in time to change cutter 5 to shorten processing duration.

Detect stick 6 through anchor clamps 7 with bore hole cutter arbor 4 is connected, detect stick 6 with anchor clamps 7 can dismantle the connection, anchor clamps 7 with bore hole cutter arbor 4 can dismantle the connection, will detect stick 6 and fix on bore hole cutter arbor 4, following closely get into the machined part hole behind cutter 5, cutter 5 carries out the bore hole to the machined part earlier, detects stick 6 and detects the internal diameter after the bore hole again. After the detection rod 6 is broken, the clamp 7 can be taken off from the boring cutter bar 4, and then the damaged detection rod 6 is taken out from the clamp 7 and can be reinstalled for continuous use by replacing with a new detection rod 6.

The fixed seat is connected with the machine tool 1, the boring mechanism is installed above the fixed seat through the connecting frame, the moving mechanism 2 is arranged on the connecting frame, the boring mechanism is connected with the moving mechanism 2, the workpiece is vertically fixed in the fixed seat through the vertically-distributed fixed seat and the boring mechanism, the workpiece is bored in the vertical direction, in the process of boring, scrap iron can freely fall to the bottom of the fixed seat, the scrap iron is prevented from being accumulated in the workpiece and contacting with the detection rod 6, and the detection rod 6 is prevented from being accidentally broken, so that the reliability of the detection rod 6 is ensured.

The fixing base includes fixed station 8 and centre gripping subassembly, sets up four group's centre gripping subassemblies evenly distributed and is in around fixed station 8, the centre gripping subassembly includes grip slipper 9 and telescopic machanism, telescopic machanism installs the inside of fixed station 8, the hole of placing has been seted up at the center of fixed station 8, grip slipper 9 is located place downtheholely, set up radial hole groove in the fixed station 8, telescopic machanism passes the hole groove with grip slipper 9 is connected.

The clamping seat 9 is L-shaped, the clamping seat 9 comprises a horizontal supporting bottom plate 10 and a vertical clamping side plate 11, the supporting bottom plate 10 is fixedly connected with the clamping side plate 11, and the telescopic mechanism is connected with the clamping side plate 11.

Telescopic machanism includes pneumatic cylinder 12, pneumatic cylinder 12 is installed the inside of fixed station 8, the downthehole back shaft 13 that is equipped with of hole, back shaft 13 with the inner wall sliding connection in hole groove, the front end of back shaft 13 with grip slipper 9 is connected, the rear end of back shaft 13 with the piston rod of pneumatic cylinder 12 is connected.

The front end of the clamping side plate 11 is further provided with an arc-shaped clamping piece 14, the front end of the clamping side plate 11 is provided with a clamping groove, the rear end of the clamping piece 14 is provided with a clamping column 15 in sliding connection with the clamping groove, and the clamping piece 14 is detachably connected with the clamping side plate 11 through the clamping column 15.

When carrying out the centre gripping fixed to the machined part, put into the machined part in the hole of placing of

fixed station

8, 4 pneumatic cylinders 12 synchronous start of group through current PLC controller control, promote back shaft 13 through the piston rod and outwards slide along the hole groove, it moves to fixed station 8 center to drive grip slipper 9, it is fixed to utilize grip 14 to carry out the centre gripping to the outer wall of machined part, supporting baseplate 10 then plays the bearing effect to the machined part, prevent that the machined part from receiving heavy gliding, grip 14 is removable, select for use assorted arc grip 14 according to the external diameter of machined part, with the centre gripping effect to the machined part that improves.

The below of fixed station 8 is equipped with the waste material box 16 that is used for collecting iron fillings, waste material box 16 with place the hole intercommunication, grip slipper 9 accomplishes fixed back to the machined part, can not shelter from the hole of machined part, and the iron fillings that the bore hole produced fall along hole free fall, and the waste material box 16 that falls the below is collected in unison.

Detect the surface of stick 6 and scribble the color pigment who easily observes, after detecting that stick 6 takes place to break, the piece that has color pigment can follow iron fillings and fall into waste material box 16, and there is obvious difference in the colour of colored piece and iron fillings, through observing whether appear in waste material box 16 colored piece alright learn to detect stick 6 impaired or not, can directly perceivedly understand the in service behavior of cutter 5. The front end of the detection rod 6 can be coated with color pigments, when the detection rod 6 rotates along with the boring cutter bar 4, the front end can generate a colored diaphragm, once the detection rod 6 breaks, the diaphragm disappears, and the using condition of the cutter 5 can be known through the existence of the diaphragm.

Example two

Referring to fig. 5 to 6, the difference between the first embodiment and the second embodiment is that a connecting plate 17 parallel to the boring cutter bar 4 is fixedly installed on the housing of the motor 3, a bottom support 18 is arranged on the connecting plate 17, the bottom support 18 is detachably connected to the connecting plate 17, the detection rod 6 is detachably connected to the bottom support 18, the detection rod 6 is perpendicular to the connecting plate 17, and when considering that centrifugal force may affect the detection rod 6 in the process of rotating along with the boring cutter bar 4, the detection rod 6 is fixedly installed on the housing of the motor 3 and does not contact with the boring cutter bar 4, and when the boring cutter bar 4 rotates, the detection rod 6 keeps a static state, so that interference of external factors on the detection rod 6 is effectively avoided, and reliability of the detection rod 6 is greatly improved.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides an online boring processingequipment, includes the lathe, plays the fixing base of clamping action, boring mechanism and the drive to the machined part the moving mechanism that boring mechanism removed, its characterized in that, boring mechanism includes motor, boring cutter arbor and cutter, the boring cutter arbor with the output joint of motor, the cutter is fixed in the front end lateral wall of boring cutter arbor, the cutter with the axis of boring cutter arbor is mutually perpendicular, the rear of cutter is equipped with the detection stick of being made by brittle material, the detection stick with the cutter is parallel, the detection stick pass through the connecting piece with boring mechanism connects, the distance of detection stick front end and boring cutter arbor is less than the distance of cutter front end and boring cutter arbor.

2. The on-line boring device as claimed in claim 1, wherein the detection rod is connected to the boring bar through a clamp, the detection rod is detachably connected to the clamp, and the clamp is detachably connected to the boring bar.

3. The on-line boring device as claimed in claim 1, wherein the fixed base is connected to the machine tool, the boring mechanism is mounted above the fixed base through a connecting frame, the moving mechanism is disposed on the connecting frame, and the boring mechanism is connected to the moving mechanism.

4. The on-line boring device according to claim 1, wherein the fixing base comprises a fixing table and clamping assemblies, the clamping assemblies are evenly distributed around the fixing table, the clamping assemblies comprise a clamping base and a telescopic mechanism, the telescopic mechanism is installed inside the fixing table, a placing hole is formed in the center of the fixing table, the clamping base is located in the placing hole, a radial hole groove is formed in the fixing table, and the telescopic mechanism penetrates through the hole groove and is connected with the clamping base.

5. The on-line boring device as claimed in claim 4, wherein the holder is "L" shaped, the holder includes a horizontal support base plate and a vertical holding side plate, the support base plate is fixedly connected with the holding side plate, and the telescoping mechanism is connected with the holding side plate.

6. The on-line boring device as claimed in claim 4, wherein the telescoping mechanism includes a hydraulic cylinder, the hydraulic cylinder is mounted inside the fixed table, a support shaft is disposed in the hole slot, the support shaft is slidably connected to an inner wall of the hole slot, a front end of the support shaft is connected to the clamping base, and a rear end of the support shaft is connected to a piston rod of the hydraulic cylinder.

7. The on-line boring device as claimed in claim 5, wherein the front end of the clamping side plate is further provided with an arc-shaped clamping member, the front end of the clamping side plate is provided with a clamping groove, the rear end of the clamping member is provided with a clamping post slidably connected with the clamping groove, and the clamping member is detachably connected with the clamping side plate through the clamping post.

8. An on-line boring processing device according to claim 4, wherein a scrap box for collecting scrap iron is provided below the fixing table, and the scrap box is communicated with the placing hole.

9. An on-line boring device as claimed in claim 1, wherein the outer surface of the sensing rod is coated with a color pigment for easy observation.

10. The on-line boring device as claimed in claim 1, wherein a connecting plate parallel to the boring cutter bar is fixedly mounted on a housing of the motor, a bottom support is arranged on the connecting plate, the bottom support is detachably connected with the connecting plate, the detecting rod is detachably connected with the bottom support, and the detecting rod is perpendicular to the connecting plate.