CN209986330U

CN209986330U - Broach scrap cleaning device

Info

Publication number: CN209986330U
Application number: CN201920391725.6U
Authority: CN
Inventors: 林丽勇; 曾宽和; 刘铜强
Original assignee: Aiqi Technology Foshan Co ltd
Current assignee: Aiqi Technology Foshan Co ltd
Priority date: 2019-03-26
Filing date: 2019-03-26
Publication date: 2020-01-24
Anticipated expiration: 2029-03-26

Abstract

The utility model discloses a broach scrap-cleaning device, which comprises a frame and a base plate arranged on the frame, wherein the base plate is provided with a mounting hole for mounting a scrap-cleaning mechanism, the scrap-cleaning mechanism comprises a cylinder, a bearing arranged in the mounting hole and a brush hair component arranged in the cylinder, the cylinder is connected with the base plate through the bearing, the base plate is also provided with a vertically arranged first driving motor, and the first driving motor drives the cylinder to rotate through a transmission mechanism; the bottom of the cylinder is also provided with a collecting groove for collecting cuttings. The utility model provides a broach clear chip device drives drum and brush hair subassembly through a driving motor and rotates around the broach axial, and the smear metal is collected to the collecting vat on the broach in the brush hair clearance is attached to the automatic clear bits and the smear metal of accomplishing the broach to improve clear chip efficiency, avoid the smear metal to influence the processing environment, and then improve the life of broach, reduce the processing cost.

Description

Broach scrap cleaning device

Technical Field

The utility model relates to a product internal tooth processing field, in particular to broach clear chip device.

Background

A broach is a tool that is commonly used for cutting an inner peripheral surface or a surface of a workpiece, and can machine a groove such as a contour of the broach by one pass, and chips are generated during machining. Further, since the cutting edge of the broach is formed in multiple stages in the axial direction thereof, the chips may be stuck in a curled state in the edge groove between the cutting edges immediately after the chips are cut. When chips are deposited in the edge groove, the chips are likely to be jammed during the next machining, which may impair machining efficiency, and may damage the cutting edge of the broach or the machined surface of the workpiece. In the existing production process, a worker is required to wipe the broach by using a brush to clean the cuttings attached to the broach in the blade groove, but the cleaning effect is poor, the cleaned cuttings are difficult to collect, and the labor burden of the worker is increased.

It is seen that improvements and enhancements to the prior art are needed.

SUMMERY OF THE UTILITY MODEL

In view of the foregoing prior art, an object of the utility model is to provide a clear bits device of broach aims at carrying out the clearance and the collection of smear metal to the broach, improves the life of broach.

In order to achieve the purpose, the utility model adopts the following technical proposal:

a broach scrap cleaning device comprises a rack and a base plate arranged on the rack, wherein a mounting hole for mounting a scrap cleaning mechanism is formed in the base plate, the scrap cleaning mechanism comprises a cylinder, a bearing arranged in the mounting hole and a brush hair assembly arranged in the cylinder, the cylinder is connected with the base plate through the bearing, a first driving motor which is vertically arranged is also arranged on the base plate, and the first driving motor drives the cylinder to rotate through a transmission mechanism; the bottom of the cylinder is also provided with a collecting groove for collecting cuttings.

The brush hair subassembly includes a ring and a plurality of group circumference array sets up the brush hair at the ring inboard, and the clearance passageway that supplies the broach to pass through is enclosed into to the free end of all brush hairs, and the outside and the drum fixed connection of ring.

The collecting groove is a circular groove, the inner bottom surface of the circular groove is stretched towards the direction of the groove opening to form a boss portion, and a through hole for the broach to pass through is formed in the upper surface of the boss portion.

The bottom of the collecting groove is also connected with a chip removal pipe, and a valve is arranged on the chip removal pipe.

The transmission assembly comprises a first gear sleeved on the first driving motor spindle and a second gear sleeved on the cylinder, the second gear is located below the substrate, and the first gear and the second gear are in meshing transmission.

The substrate can move transversely relative to the frame through the guide mechanism; the guide mechanism comprises two linear guide rails which are arranged on the rack in parallel and a sliding plate which is connected with the two linear guide rails in a sliding manner, each linear guide rail is provided with two linear bearings, each linear bearing is connected with the bottom of the sliding plate, the outer side of the collecting tank is connected with the sliding plate through an L-shaped support arm, and the rack is further provided with a driving structure for driving the sliding plate to move.

The driving structure comprises a rack which is arranged on the rack and is vertical to the linear guide rail, and a second driving motor which is vertically arranged on the sliding plate; and a main shaft of the second driving motor penetrates through the sliding plate and is sleeved with a third gear, and the third gear is meshed with the rack.

The driving structure comprises an air cylinder arranged on the rack, and the piston rod end of the air cylinder is connected with the sliding plate through a connecting block.

The rack is also provided with a limiting component for limiting the transverse movement of the sliding plate; the limiting assembly comprises a transverse plate arranged on the rack and a vertical plate vertically arranged on the transverse plate, a bolt is arranged on the end face, facing the sliding plate, of the vertical plate, and the bolt is in threaded connection with the vertical plate.

The frame includes two parallel arrangement's backup pad, and the bottom of every backup pad sets up two landing legs, is provided with a connecting rod between the landing leg that two backup pads set up relatively respectively.

Has the advantages that:

the utility model provides a broach clear shred device compares prior art, the utility model discloses a set up first driving motor, drum, brush hair subassembly and drive assembly, drive drum and brush hair subassembly through first driving motor and rotate around the broach axial, the smear metal is in to the collecting vat on the broach is adhered to in the brush hair clearance to accomplish the automatic clear shred and the smear metal of broach and collect, improved clear shred efficiency, avoid the smear metal to influence the processing environment, and then improve the life of broach, reduce the processing cost.

Drawings

Fig. 1 is a schematic structural view of the broach scrap-removing device provided by the utility model.

Fig. 2 is a bottom view of the broach chip-cleaning device provided by the utility model.

Fig. 3 is a schematic view of the working state of the broach scrap-removing device provided by the utility model.

Fig. 4 is a partially enlarged view of the region L in fig. 3.

Detailed Description

The utility model provides a clear bits device of broach, for making the utility model discloses a purpose, technical scheme and effect are clearer, clear and definite, and it is right that the embodiment is lifted with reference to the attached drawing below the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the scope of the invention.

Referring to fig. 1-4, the present invention provides a broach scrap-removing device, in which the parts are not in proportion to the actual product. The dotted line portion in fig. 4 is an internal structure.

The broach scrap cleaning device comprises a rack 1 and a substrate 2 arranged on the rack, wherein a mounting hole 3 for mounting a scrap cleaning mechanism is formed in the substrate, the scrap cleaning mechanism comprises a cylinder 4, a bearing 31 arranged in the mounting hole and a brush hair component 5 arranged in the cylinder, the cylinder 4 is connected with the substrate 2 through the bearing 31, a first driving motor 61 vertically arranged is also arranged on the substrate 2, and the first driving motor 61 drives the cylinder 4 to rotate through a transmission mechanism 7; the bottom of the cylinder 4 is also provided with a collecting trough 8 for collecting the cuttings.

In practical application, the outside of broach clear chip device still is provided with the shower nozzle (not drawn in the picture), and the shower nozzle is inside towards the drum, and during the smear metal that the shower nozzle blowout flush fluid will be attached to brush hair and drum inner wall washed to the collecting tank, for the convenience of smear metal collection processing, the bottom of collecting tank still is connected with chip removal pipe 81, is provided with the valve on the chip removal pipe (not shown in the figure). Preferably, the evacuation pipe is connected to a collection tank (not shown) which has more room for collecting cuttings and flushing fluid for transport and disposal.

Specifically, the bristle assembly 5 comprises a circular ring 51 and a plurality of groups of bristles 52 arranged on the inner side of the circular ring in a circumferential array, the free ends of all the bristles define a cleaning channel 53 for a broach to pass through, and the outer side of the circular ring is fixedly connected with the cylinder. Through setting up like this, guarantee that each position homoenergetic of broach is cleared up, the residual quantity of the smear metal attached to on the broach that significantly reduces.

In order to facilitate the arrangement of the collecting groove corresponding to the cylinder, the collecting groove 8 is a circular groove, the inner bottom surface of the circular groove stretches towards the direction of the groove opening to form a boss part 82, and the upper surface of the boss part is provided with a through hole 83 for the broach to pass through. The boss part 82 is preferably provided in a circular truncated cone shape, so that the processing and manufacturing are convenient; the through hole and the broach are coaxially arranged, the through hole and the broach do not interfere with each other, and preferably, the through hole and the broach are in interference fit, so that chips are reduced to the greatest extent and fall onto a workpiece machining reference surface after passing through the through hole. During assembly, the boss part extends into the cylinder to guide flushing liquid and cutting chips.

After the broaching tool finishes broaching the workpiece, the broaching tool A is positioned on a lower broaching machine clamping part B at the lower side of the workpiece, then the machined workpiece D is conveyed to the next machining procedure, the broaching machine drives the broaching tool to vertically move upwards to an upper broaching machine clamping part C, the broaching tool sequentially passes through a through hole 83 and a cleaning channel 53, a first driving motor 61 drives a cylinder 4 and parts in the cylinder to rotate through a transmission mechanism 7, so that bristles 52 rotate around the axis of the broaching tool A to clean chips attached to the broaching tool, and most of the chips fall onto a collecting tank 8; the smear metal in the supplementary drum of shower nozzle can spout the flush fluid and along with the guide inclined plane landing of boss to the bottom of collecting tank, can accomplish the holistic automatic clear bits of broach, improves clear bits efficiency, guarantees the life of broach, avoids the smear metal directly to drop to the reference surface in addition, influences the processing environment.

Further, referring to fig. 2, the transmission assembly 7 includes a first gear 71 sleeved on the main shaft of the first driving motor and a second gear 72 sleeved on the cylinder, the second gear is located below the substrate, and the first gear and the second gear are in meshing transmission. Through setting up like this, the transmission is stable between first driving motor and the drum, compact structure, and transmission efficiency is high.

Preferably, referring to fig. 1, the substrate 2 can move laterally relative to the frame by a guide mechanism 9; the guide mechanism comprises two linear guide rails 91 arranged on the rack in parallel and a sliding plate 92 connected with the two linear guide rails in a sliding manner, each linear guide rail is provided with two linear bearings 93 (only 3 linear bearings can be observed in the figure), each linear bearing is connected with the bottom of the sliding plate, and the rack is also provided with a driving structure for driving the sliding plate to move. That is, four linear bearings are provided in total, so that the slide plate is stably supported to prevent the substrate from shaking during lateral movement. It should be noted that, by arranging the guide mechanism, after the broach completes the processing of the workpiece, the broach is located on the clamping part of the lower broaching machine, and at the moment, the substrate moves transversely relative to the machine frame through the guide mechanism, so that the cylinder and the broach are coaxially arranged, and the situation that the broach is clamped in the cylinder due to the cutter clamping or the broach cutting-off in the processing process is avoided, which is inconvenient for maintenance and cutter resetting.

Preferably, referring to fig. 2, the driving structure includes a rack 63 disposed on the frame and perpendicular to the linear guide, and a second driving motor 62 vertically disposed on the sliding plate; the main shaft of the second driving motor penetrates through the sliding plate and is sleeved with a third gear 64, and the third gear is meshed with the rack. Therefore, the second driving motor is started to drive the sliding plate to move linearly under the transmission of the rack and the gear, and the chip cleaning efficiency is further improved. Of course, the driving structure can also adopt the air cylinder and the connecting block to replace the technical scheme of the rack, the third gear and the second driving motor in the embodiment, the air cylinder is arranged on the rack, the piston rod end of the air cylinder is connected with the sliding plate through the connecting block, and the piston rod of the driving air cylinder is started to extend out to drive the sliding plate to move linearly.

Preferably, referring to fig. 1, a limiting assembly 10 for limiting the transverse movement of the sliding plate is further disposed on the frame; the limiting component comprises a transverse plate 101 arranged on the rack and a vertical plate 102 vertically arranged on the transverse plate, wherein a bolt 103 is arranged on the end face, facing the sliding plate, of the vertical plate, and the bolt is in threaded connection with the vertical plate. It should be noted that, by adjusting the position of the screwing end of the bolt relative to the vertical plate, when the sliding plate is pressed against the screwing end of the bolt, the sliding plate moves to the cylinder and the through hole and is coaxially arranged with the broach, so that the accuracy of the sliding movement position is ensured, and the broach is prevented from interfering with components.

Preferably, the outer side of the collecting gutter 8 is connected to the sliding plate 92 by means of an L-shaped arm 86. Through setting up like this, collecting vat and drum mutually noninterfere and influence, the collection of the smear metal of being convenient for and flush fluid. Preferably, the L-shaped arm is integral with the collection trough.

In this embodiment, frame 1 includes two parallel arrangement's backup pad 11, and the bottom of every backup pad sets up two landing legs 13, is provided with a connecting rod 12 between the landing leg that two backup pads set up relatively respectively, and linear guide and spacing subassembly set up the upper surface at the backup pad, and the rack setting is on the side of backup pad, simple structure, and the manufacturing and processing of being convenient for.

To sum up, the utility model discloses a set up first driving motor, drum, brush hair subassembly and drive assembly, drive drum and brush hair subassembly through first driving motor and rotate around the broach axial, the smear metal is collected to the collecting vat on the broach to the automatic clear bits and the smear metal of accomplishing the broach are collected, have improved clear bits efficiency, avoid the smear metal to influence the processing environment, and then improve the life of broach, reduce the processing cost. Further, by arranging the guide mechanism, the second driving motor, the rack and the gear, the sliding plate and the components arranged on the sliding plate can stably and transversely move. Through setting up spacing subassembly, guarantee to slide the accuracy of removal position.

It is understood that equivalent substitutions or changes can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such changes or substitutions shall fall within the scope of the present invention.

Claims

1. A broach scrap cleaning device is characterized by comprising a rack and a base plate arranged on the rack, wherein a mounting hole for mounting a scrap cleaning mechanism is formed in the base plate, the scrap cleaning mechanism comprises a cylinder, a bearing arranged in the mounting hole and a brush hair assembly arranged in the cylinder, the cylinder is connected with the base plate through the bearing, a first driving motor which is vertically arranged is also arranged on the base plate, and the first driving motor drives the cylinder to rotate through a transmission mechanism; the bottom of the cylinder is also provided with a collecting groove for collecting cuttings.

2. A broach dust-removing device according to claim 1, wherein the bristle sub-assembly comprises a ring and a plurality of groups of bristles arranged in a circumferential array on the inner side of the ring, the free ends of all the bristles defining a cleaning passage for the broach to pass through, the outer side of the ring being fixedly connected to the cylinder.

3. The broach scrap-removing apparatus according to claim 1, wherein the collecting groove is formed as a circular groove, the inner bottom surface of which is stretched in the direction of the notch to form a boss portion, and the upper surface of the boss portion is provided with a through hole for passing the broach.

4. The broach chip-cleaning device according to claim 3, wherein a chip removal pipe is further connected to the bottom of the collecting groove, and a valve is disposed on the chip removal pipe.

5. The broach chip-cleaning apparatus according to claim 1, wherein the transmission mechanism includes a first gear fitted over the spindle of the first driving motor and a second gear fitted over the cylinder, the second gear being located below the base plate, the first gear and the second gear being in meshing transmission.

6. A broach insert chip removing device according to claim 1, wherein the base plate is movable laterally relative to the frame by a guide mechanism; the guide mechanism comprises two linear guide rails which are arranged on the rack in parallel and a sliding plate which is connected with the two linear guide rails in a sliding manner, each linear guide rail is provided with two linear bearings, each linear bearing is connected with the bottom of the sliding plate, the outer side of the collecting tank is connected with the sliding plate through an L-shaped support arm, and the rack is further provided with a driving structure for driving the sliding plate to move.

7. A broach chip removing device according to claim 6, wherein the driving structure includes a rack provided on the frame perpendicularly to the linear guide, a second driving motor vertically provided on the slide plate; and a main shaft of the second driving motor penetrates through the sliding plate and is sleeved with a third gear, and the third gear is meshed with the rack.

8. A broach chip-removing device according to claim 6, wherein the actuating structure comprises a cylinder provided on the frame, and a rod end of the cylinder is connected with the slide plate through a connecting block.

9. The broach scrap-removing device according to claim 7 or 8, wherein the frame is further provided with a limiting assembly for limiting the transverse movement of the slide plate; the limiting assembly comprises a transverse plate arranged on the rack and a vertical plate vertically arranged on the transverse plate, a bolt is arranged on the end face, facing the sliding plate, of the vertical plate, and the bolt is in threaded connection with the vertical plate.

10. The broach scrap-removing device according to claim 1, wherein the frame comprises two support plates arranged in parallel, two legs are provided at the bottom of each support plate, and a connecting rod is provided between the legs opposite to the two support plates.