CN210254546U

CN210254546U - Chamfering machine

Info

Publication number: CN210254546U
Application number: CN201921170564.4U
Authority: CN
Inventors: 周小玲
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-24
Filing date: 2019-07-24
Publication date: 2020-04-07
Anticipated expiration: 2029-07-24

Abstract

The utility model discloses a chamfering machine, it is equipped with the locating part on removing seat or chamfer cutter, and accessible feeding device drive removes the cutting part that the seat drove the chamfer cutter and the locating part tightly supports respectively the chamfer district of work piece terminal surface and the region of work piece side surface access end face, add man-hour, a supporting bench drives the work piece rotation under first drive arrangement's drive, the cutter arbor then drives the chamfer cutter under second drive arrangement's drive and rotates and to treat the chamfer region of work piece terminal surface rather than counterbalance and chamfer, and at the in-process of chamfer, because the locating part offsets and relative slip with the region of work piece side surface access end face, can control the chamfer size of chamfer cutter to the treating chamfer region of work piece terminal surface, thereby realize treating the regional even chamfer of chamfer to the work piece terminal surface, improve the chamfer quality, and applicable chamfer in circular, oval, square or the dissimilar shape work piece, The deburring processing has strong universality, high efficiency and low processing cost.

Description

Chamfering machine

Technical Field

The utility model relates to the technical field of machining, in particular to beveler.

Background

Many workpieces (particularly stamped or drawn shell-shaped metal workpieces, blow-reverse-molded shell-shaped plastic workpieces, and the like) are formed, and the outer edges of the end faces of the workpieces are sharp or have burrs, so that the workpieces need to be chamfered or deburred.

The traditional chamfering and deburring modes mainly comprise three modes: 1. the grinding is carried out by an angle grinder or a straight grinder, but the grinding wheel has sand grains, dust and scrap iron, so that the problems of low efficiency, dangerous operation and poor processing quality (such as uneven chamfer angle size) exist; 2. the machining mode is extremely low in efficiency, is mainly suitable for chamfering and deburring of cylindrical workpieces, and cannot be used for machining oval, square or special-shaped workpieces; 3. through the vibrating screen or the polishing machine, the processing mode has the problems of high equipment cost, high material consumption cost and unstable processing quality (such as uneven chamfer size).

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a beveler aims at improving the chamfer quality and the efficiency of work piece to reduce the processing cost.

In order to achieve the above object, the utility model provides a chamfering machine, include:

a machine platform;

the supporting platform can be pivotally arranged on the machine platform and is used for placing and supporting a non-chamfered area of the end face of the workpiece to be processed;

the first driving device is used for driving the supporting platform to rotate around the rotation center line of the first driving device;

the fastening mechanism is used for locking the workpiece to be processed on the supporting table and enabling the workpiece to be processed to rotate along with the supporting table;

a movable seat movably mounted to the machine table directly or indirectly and movable between positions away from and close to the support table;

the cutter bar is provided with a chamfering cutter and can move between positions which are abutted against and separated from a region to be chamfered on the end face of the workpiece under the driving of the movable seat;

the limiting piece is arranged on the movable seat or the chamfering tool and can be driven by the movable seat to move between positions which are abutted against an area close to the end face on the side surface of the workpiece and follow up and separate;

the second driving device is arranged on the movable seat and used for driving the cutter bar to drive the chamfering cutter to rotate and chamfer and cut a to-be-chamfered area of the end face of the workpiece; and

and the feeding device is directly or indirectly arranged on the machine table and is used for driving the movable seat to move, and when the chamfering tool performs chamfering cutting on the to-be-chamfered area of the end face of the workpiece to a certain value, the limiting piece tightly abuts against the area of the side surface of the workpiece, which is close to the end face.

The utility model discloses technical scheme is equipped with the locating part on removing seat or chamfer cutter, and accessible feeding device drive removes the cutting part that the seat drove chamfer cutter and locating part tightly support the chamfer district of work piece terminal surface and the region of work piece side surface near end face respectively, add man-hour, the brace table drives the work piece rotation under first drive arrangement's drive, the cutter arbor then drives the chamfer cutter under second drive arrangement's drive and rotates and to waiting to chamfer region (or waiting to deburr region) rather than the work piece terminal surface of offsetting, and at the in-process of chamfer, because the locating part offsets and relative slip with the region of work piece side surface near end face, can control the chamfer size of chamfer cutter to the waiting to chamfer region of work piece terminal surface, thereby realize waiting to the regional even chamfer of work piece terminal surface, improve the chamfer quality, and applicable in circular, oval, The chamfering and deburring processing of the square or anisotropic workpiece has strong universality, high efficiency and low processing cost.

Drawings

FIG. 1 is a schematic perspective view of a shell-shaped workpiece to be chamfered;

fig. 2 is a schematic perspective view of an operating state of an embodiment of the chamfering machine of the present invention;

fig. 3 is an assembly view of a fastening mechanism, a chamfering tool, a tool bar, a second driving device, a feeding device, a moving seat, etc. according to an embodiment of the present invention;

fig. 4 is an assembly diagram of the chamfering tool, the tool bar, the second driving device, the feeding device, and the moving base according to an embodiment of the present invention;

fig. 5 is a schematic perspective view of another embodiment of the chamfering machine according to the present invention;

FIG. 6 is an enlarged detail view of portion A of FIG. 5;

fig. 7 is a schematic view of an operating state of another embodiment of the present invention;

fig. 8 is a schematic view of another embodiment of the present invention, illustrating the assembly of the chamfering tool, the tool bar, the second driving device, the feeding device, and the movable base.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indicators (such as … …, upper, lower, left, right, front, back, top, bottom, inner, outer, vertical, horizontal, longitudinal, counterclockwise, clockwise, circumferential, radial, axial) are involved in the embodiments of the present invention, the directional indicators are only used to explain the relative position, motion, etc. of the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicators are changed accordingly.

In addition, if there is a description relating to "first" or "second", etc. in the embodiments of the present invention, the description of "first" or "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a chamfering machine.

In the embodiment of the present invention, as shown in fig. 1 to 8, this chamfering machine includes machine table 1, supporting table 2, first driving device 3, fastening mechanism 4, moving seat 5, cutter bar 6, chamfering tool 7, limiting part 71, second driving device 8 and feeding device 9.

The supporting table 2 is pivotally mounted on the machine table 1 and used for placing and supporting a non-chamfered area of the end face of the workpiece 100 to be processed; the first driving device 3 is used for driving the supporting platform 2 to rotate around the rotation center line of the supporting platform; the fastening mechanism 4 is used for locking the workpiece 100 to be processed on the support table 2 and enabling the workpiece 100 to be processed to rotate along with the support table 2; the moving seat 5 is directly or indirectly movably arranged on the machine table 1 and can move between a position far away from and a position close to the support table 2; the chamfering tool 7 is mounted on the tool bar 6 and can move between positions abutting against and separating from an area to be chamfered of the end surface of the workpiece 100 under the driving of the movable seat 5, the limiting piece 71 is mounted on the movable seat 5 or the chamfering tool 7 and can move between positions abutting against, following and separating from an area near the end surface of the side surface of the workpiece 100 under the driving of the movable seat 5, and the second driving device 8 is mounted on the movable seat 5 and is used for driving the tool bar 6 to drive the chamfering tool 7 to rotate and chamfer and cut the area to be chamfered of the end surface of the workpiece (namely when the chamfering tool 7 rotates and abuts against the area to be chamfered of the end surface of the workpiece, chamfer and cut the area to be chamfered of the end surface of the workpiece); the feeding device 9 is directly or indirectly mounted on the machine table 1, and is configured to drive the movable base 5 to perform the movement (i.e., move between a position far away from and a position close to the supporting table), and when the chamfering tool performs chamfering cutting on the region to be chamfered of the end surface of the workpiece to a certain value (e.g., the cutting reaches or is about to reach the required chamfering size), the limiting member 71 abuts against the region of the side surface of the workpiece 100 close to the end surface. When in processing, the supporting table 2 drives the workpiece 100 to rotate under the drive of the first driving device 3, the cutter bar 6 drives the chamfering tool 7 to rotate under the drive of the second driving device 8 and chamfer the region to be chamfered (or the region to be deburred) of the end surface of the workpiece 100 which is abutted against the cutter bar, and in the chamfering process, as the limiting piece 71 is abutted against and relatively slides with the region of the side surface of the workpiece 100 which is abutted against the end surface, the chamfering size of the region to be chamfered of the end surface of the workpiece 100 by the chamfering tool can be controlled, so that uniform chamfering of the region to be chamfered of the end surface of the workpiece 100 is realized (generally speaking, the cutting part of the chamfering tool 7 is abutted against the chamfering region of the end surface of the workpiece first to chamfer the end surface of the workpiece first, when the workpiece is to be cut to basically reach the required chamfering size, the limiting piece 71 is contacted with the region of the side surface of the, the chamfering machine has the advantages of improving the chamfering quality, being applicable to chamfering and deburring of workpieces 100 in shapes of circles, ellipses, squares or different shapes, and being strong in universality, high in efficiency and low in processing cost.

Specifically, the first driving device 3 is a rotating motor (e.g., a servo motor) or a rotating cylinder, the first driving device 3 is installed on the machine platform 1, and a rotating shaft of the first driving device 3 is connected to the supporting platform 2 directly or through a transmission member (e.g., a speed reducer, a belt transmission mechanism, or a gear transmission mechanism, not shown). More specifically, the machine table 1 is provided with a vertical through hole (not labeled) and is provided with a guide sleeve 10, the supporting table 2 is rotatably installed on the guide sleeve 10, the lower end of the supporting table 2 passes through the guide sleeve 10 downwards and then is connected with a rotating shaft of the first driving device 3 directly or through a transmission part, and when the rotating shaft of the first driving device 3 rotates, the supporting table 2 can be driven to rotate. The vertical through-hole is preferably a non-circular hole, such as a square, triangle, oval, etc., to position the guide sleeve 10 fitted to the vertical through-hole to prevent the guide sleeve 10 from rotating.

In an embodiment of the present invention, the workpiece 100 is in a shell shape, and the inside of the workpiece is defined with a cavity 101 having an opening on the end surface (i.e. the bottom), the upper portion of the supporting platform 2 is in a step shape with a small upper section 21 and a large lower section 22, the upper section 21 is inserted into the cavity 101 of the workpiece 100 and fits into the cavity 101, the lower section 22 contacts with the non-chamfered area of the end surface of the workpiece 100 to support the workpiece, and the end surface of the workpiece 100 is generally flush and level so as to be chamfered.

In a preferred embodiment of the present invention, the machine table 1 is directly or indirectly equipped with the support 12, the fastening mechanism 4 includes a third driving device 41 installed on the support 12 and located above the supporting table 2 and the workpiece 100, the retractable end of the third driving device 41 is pivotally installed with a pressing member 42, the third driving device 41 can drive the pressing member 42 to move between the positions of pressing and fixing the workpiece 100 to the supporting table 2 and separating from the workpiece 100, and during machining, the third driving device 41 needs to press the pressing member 42 to move to abut against the workpiece 100 and fix the workpiece 100 to the supporting table 2 before subsequent chamfering and deburring operations can be performed. Specifically, the third driving device 41 may be a telescopic cylinder or a telescopic motor, and the like, and at least a portion of the pressing member 42 abutting against the workpiece is preferably made of plastic so as to prevent the pressing member 42 from being too hard to crush the workpiece 100, and the pressing member 42 may be pivotally mounted at a telescopic end of the third driving device 41 through a bearing or a pivot shaft, for example, the pressing member 42 is fixedly connected to an outer ring of the bearing, and an inner ring of the bearing is fixedly connected to a telescopic end (such as a piston rod of the cylinder) of the third driving device 41. Of course, if the workpiece 100 is a block-shaped structure, the fastening mechanism 4 may be an electromagnetic absorption type, that is, an electromagnetic absorption device is disposed on the supporting platform 2 to absorb the workpiece 100 placed on the supporting platform 2 (in the case that the workpiece 100 is made of ferromagnetic material).

Specifically, the second driving device 8 is a rotating motor or a rotating cylinder, and the second driving device 8 is mounted on the moving base 5.

In a preferred embodiment, as shown in fig. 2 to 4, the machine table 1 is provided with a support frame 15 on the top surface, and the movable base 5 is slidably mounted (e.g. slidably mounted by the cooperation of a guide rail and a slide block) on the support frame 15 and is movable along the support frame 15 between a position away from and a position close to the support table 2. The cutter arbor 6 is perpendicular or roughly perpendicular with a supporting bench 2, and the cutter arbor 6 is installed towards the one end of supporting bench 2 chamfering tool 7, and the other end of cutter arbor 6 is connected with second drive arrangement 8, can drive chamfering tool 7 and rotate under the drive of second drive arrangement 8. Furthermore, a cover 300 for covering the upper side of the chamfering tool 7 and both sides perpendicular to the moving direction of the chamfering tool 7 is provided on the position of the support 15 close to the support table 2 or the moving base 5 to prevent the work scraps generated during chamfering from being splashed around. Furthermore, the machine table 1 is perforated at a position below the cover 300 and is provided with a collection bin 200 for collecting scraps generated by chamfering. Specifically, the collection bin 200 is funnel-shaped, and has a waste outlet 201 at the bottom thereof, and a pipe (not shown) may be installed at the waste outlet to guide waste entering the collection bin 200 to a waste storage area (e.g., a waste bin) through the pipe. In the embodiment of the present invention, the movable base is provided with a cantilever 51 extending toward the support base 2, and the positioning member 71 is provided in the cantilever 51. Illustratively, the positioning member 71 is preferably a bearing or swivel that is pivotally mounted to the cantilever 51.

In another embodiment of the present invention, as shown in fig. 5-8, the movable base 5 is slidably mounted on the lower surface of the machine table 1 and the slidable machine table is moved between a position away from and a position close to the supporting table 2. The cutter bar 6 can be pivotally arranged on the movable seat 5 (for example, through a bearing) and is parallel to the support platform 2 (namely, vertically arranged) or forms a small angle with the support platform; a limiting piece 71 is arranged at one end of the chamfering tool 7 far away from the tool bar 6; the machine table 1 is provided with a guide chute 11 through which the upper part of the cutter bar 6 penetrates upwards and along which the cutter bar 6 can move between positions abutting against and separating from a to-be-chamfered area on the end surface of the workpiece 100, and the chamfering tool 7 is arranged on the upper part of the cutter bar 6; the rotating shaft of the second driving device 8 is connected with the cutter bar 6 directly or through a transmission mechanism. Illustratively, a driving pulley 811 is connected to a rotating shaft of the first driving device 3, a driven pulley 812 is mounted at a lower portion of the tool bar 6, a belt 813 is connected between the driving pulley 811 and the driven pulley 812, and when the rotating shaft of the second driving device 8 drives the driving pulley 811 to rotate, the driving pulley 811 drives the driven pulley 812 to rotate through the belt 813, so that the tool bar 6 and the chamfering tool 7 are driven to rotate by the driven pulley 812 to chamfer the workpiece 100. Of course, the second driving device 8 may also drive the knife bar 6 to rotate through a gear transmission mechanism, and how to install the knife bar is the prior art, which is not described herein again. Specifically, the limiting member 71 includes a pivot portion 711 extending upward from one end of the chamfering tool 7 away from the tool bar 6, and a bearing 712 (or a swivel pivotally mounted to the pivot portion, not shown) mounted to the pivot portion 711, wherein during machining, the bearing 712 or the swivel abuts against an area of the side surface of the workpiece 100 near the end surface, and rolls against an area of the side surface of the workpiece 100 near the end surface when the workpiece 100 rotates, so as to reduce friction with the workpiece 100 and prevent the workpiece 100 from being worn during machining.

It can be understood that, as shown in fig. 4 and 8, the chamfering tool 7 and the tool bar 6 are prior art, and the specific structure of the chamfering tool 7 and the specific connection manner with the tool bar 6 are both prior art and will not be described herein again. The chamfering tool 7 generally includes a tool bit and a blade (i.e., the above-mentioned cutting portion) attached to the tool bit, and the size of the chamfer on the end face of the workpiece 100 by the chamfering tool 7 can be realized by selecting blades of different specifications or adjusting the clamping position of the blade at the tool bit, and the number of the blades is preferably more than two, and the chamfering effect is better when more than two.

In the embodiment of the present invention, as shown in fig. 4 and fig. 8, the feeding device 9 is a telescopic cylinder, a telescopic motor or a nitrogen spring, etc., and its telescopic end (e.g., the piston rod of the cylinder) is connected to the movable seat 5, and during operation, the telescopic end applies an acting force to the movable seat 5 to drive the cutting portion and the position-limiting member 71 of the movable seat 5 to drive the chamfering tool 7, and respectively tightly support the end surface of the workpiece 100 and the area of the side surface of the workpiece 100 to be chamfered. It should be noted that, during the chamfering process of the workpiece 100, under the thrust force of the feed device 9 and the reaction force of the workpiece 100, the cutting portion and the stopper 71 of the chamfering tool 7 abut against and move relative to the region to be chamfered of the end face of the workpiece 100 and the region of the side surface of the workpiece 100 near the end face, respectively, so that workpieces 100 of different shapes can be chamfered.

Further, as shown in fig. 2 and 7, the machine 1 is disposed on a frame 13, and at least one side (three sides as shown in fig. 2 and 7) of the frame 13 corresponding to the machine is provided with a guard rail 14 for safety protection.

It can be understood that the first driving device 3, the second driving device 8, the feeding device 9, and the third driving device 41 are all electrically connected to the control system 600 configured to the chamfering machine, and are used to control whether and when the first driving device 3, the second driving device 8, the feeding device 9, and the third driving device 41 are activated, and as for the specific structure and the working principle of the control system, detailed description is omitted here, and there are various embodiments in the prior art. For example, as shown in fig. 2, a first control switch 400 for controlling whether the second driving device 8 and the feeding device 9 are started or not may be provided on the machine table 1, a second control switch 500 for controlling the first driving device 3 and the third driving device 41 may be provided on the machine table, and the first control switch 400 and the second control switch 500 may be manually pressed to implement the operation.

Specifically, as shown in fig. 2, the support 12 is mounted on a bracket 15, so as to be mounted on the machine table 1 through the bracket 15. As shown in fig. 5, the support 12 is directly mounted on the machine platform 1.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. A chamfering machine characterized by comprising:

a machine platform;

2. The chamfering machine according to claim 1, wherein: the first driving device is a rotating motor or a rotating cylinder, the first driving device is arranged on the machine table, and a rotating shaft of the first driving device is directly connected with the supporting table or is connected with the supporting table through a transmission piece.

3. The chamfering machine according to claim 2, wherein: the machine table is provided with a vertical through hole and is provided with a guide sleeve, the supporting table is rotatably arranged on the guide sleeve, and the lower end of the supporting table is connected with the rotating shaft of the first driving device directly or through a driving part after penetrating through the guide sleeve downwards.

4. The chamfering machine according to claim 1, wherein: the workpiece is in a shell shape, a cavity with an opening on the end face is limited in the workpiece, the upper part of the support platform is in a step shape with a small upper section and a large lower section, the upper section is inserted into the cavity of the workpiece and is matched with the cavity, and the lower section is in contact with a non-chamfered area on the end face of the workpiece.

5. The chamfering machine according to claim 1, wherein: the machine table is directly or indirectly provided with a support, the fastening mechanism comprises a third driving device arranged on the support and positioned above the support table and the workpiece, a telescopic end of the third driving device is provided with a pressing piece in a pivoting way, and the third driving device can drive the pressing piece to move between a position where the workpiece is tightly pressed and fixed on the support table and a position where the workpiece is separated from the workpiece.

6. The chamfering machine according to claim 5, wherein: the third driving device is a telescopic cylinder or a telescopic motor, at least the part of the pressing piece, which is abutted against the workpiece, is made of plastic, and the pressing piece is pivotally arranged at the telescopic end of the third driving device through a bearing or a pivot shaft.

7. The chamfering machine according to any one of claims 1 to 6, wherein: the second driving device is a rotating motor or a rotating cylinder, the second driving device is arranged on a moving seat, the top surface of the machine table is provided with a support, and the moving seat is slidably arranged on the support and can move between a position far away from and a position close to the supporting table along the support.

8. The chamfering machine according to claim 7, wherein: the cutter arbor is perpendicular or roughly perpendicular with the brace table, and the cutter arbor is installed towards the one end of brace table chamfering tool, and the other end and the second drive arrangement of cutter arbor are connected, can drive chamfering tool and rotate under second drive arrangement's drive.

9. The chamfering machine according to claim 8, wherein: and a cover body which covers the upper part of the chamfering tool and two sides perpendicular to the moving direction of the chamfering tool is arranged at the position of the support close to the support table or on the moving seat.

10. The chamfering machine according to claim 9, wherein: the machine station is provided with a hole at the position below the cover body and is provided with a collection bin for collecting scraps generated by the chamfer.

11. The chamfering machine according to claim 7, wherein: the movable base is provided with a cantilever extending in the direction of the support base, and a positioning element bearing or swivel, which is pivotally mounted to the cantilever.