CN216758323U

CN216758323U - Electric milling cutter

Info

Publication number: CN216758323U
Application number: CN202220167925.5U
Authority: CN
Inventors: 张继彪
Original assignee: Dongguan Jieshun Precision Technology Co ltd
Current assignee: Dongguan Jieshun Precision Technology Co ltd
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2022-06-17
Anticipated expiration: 2032-01-21

Abstract

The utility model relates to the technical field of processing equipment, in particular to an electric milling cutter, which comprises a base, wherein the top surface of the base is vertically and fixedly connected with a supporting seat, the front surface of the supporting seat is fixedly provided with a lifting slide rail, the lifting slide rail is provided with a slide block, the outer side surface of the slide block is fixedly connected with a slide plate, and the base is provided with a lifting device for driving the slide plate to reciprocate; the outer side surface of the sliding plate is fixedly connected with a driving motor and a spindle support, the spindle support is positioned below the driving motor, the spindle support is provided with a rotating shaft, two ends of the rotating shaft are respectively and fixedly connected with a left milling cutter and a right milling cutter, an output shaft of the driving motor is fixedly connected with a driving belt wheel, a driven belt wheel is fixedly sleeved on the outer peripheral side of the rotating shaft, and the driving belt wheel is in transmission connection with the driven belt wheel through a synchronous belt; the lower part of pivot is equipped with and is used for bearing product and the anchor clamps body of fixed mounting on the base, and the anchor clamps body is equipped with the pressure that is used for pressing to hold the product and holds the device. The mirror image workpiece can be synchronously processed, the processing consistency and synchronism are ensured, and the product quality is improved.

Description

Electric milling cutter

Technical Field

The utility model relates to an electric milling cutter which is suitable for the technical field of processing equipment.

Background

In the field of workpiece structures, in order to facilitate production and improve the structural strength of workpieces, most castings are in mirror image structures. Referring to the workpiece of fig. 1, which is a workpiece 1 with a mirror image structure, since the workpiece 1 is prepared by casting, the prepared workpiece 1 often needs to be further processed for practical use, for example, the workpiece 1 is provided with two mounting lugs 11 that are mirror images of each other, in order to be able to overlap other components such as a rotating shaft between the two mounting lugs 11, a smooth notch needs to be processed for each mounting lug 11, that is, a left notch 12 is processed on the left mounting lug 11, and a right notch 13 is processed on the right mounting lug 11. In the face of such a workpiece 1, the conventional machining method is to place the workpiece 1 on a conventional milling machine, and then machine the workpiece twice, wherein the left mounting lug 11 is machined for the first time to machine the left notch 12, and the right mounting lug 11 is machined for the second time to machine the right notch 13. Two problems exist with this conventional machining approach: firstly, because the two processes are divided into two processes which are independent of each other, the problem that the consistency cannot be ensured in the processes exists, and the problem that the specifications of two notches are different often occurs; secondly, two machining operations are required, and thus, two cutting operations are required, which causes problems of long machining time and low machining efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to design an electric milling cutter which can solve the problem of low processing efficiency.

The utility model provides an electric milling cutter, which comprises a base, wherein a supporting seat is vertically and fixedly connected to the top surface of the base, a lifting slide rail is fixedly arranged on the front surface of the supporting seat, the lifting slide rail is provided with a slide block capable of reciprocating along the lifting slide rail in the vertical direction, the outer side surface of the slide block is fixedly connected with a slide plate, and the base is provided with a lifting device for driving the slide plate to reciprocate in the vertical direction; the outer side surface of the sliding plate is fixedly connected with a driving motor and a spindle support, the spindle support is positioned below the driving motor, the spindle support is provided with a rotating shaft which can rotate relative to the spindle support, the two ends of the rotating shaft are respectively fixedly connected with a left milling cutter and a right milling cutter, an output shaft of the driving motor is fixedly connected with a driving belt wheel, the outer peripheral side of the rotating shaft is fixedly sleeved with a driven belt wheel, and the driving belt wheel is in transmission connection with the driven belt wheel through a synchronous belt; the lower part of pivot is equipped with and is used for bearing work piece and fixed mounting's anchor clamps body on the base, and the anchor clamps body is equipped with the pressure that is used for pressing the work piece and holds the device.

Wherein, still be equipped with counter weight mechanism, counter weight mechanism includes balancing weight, pulley and counterweight belt, and the pulley is rotationally installed on the top of supporting seat, and the counterweight belt is taken to lean on in the outside of pulley and one of them one end and the slide rigid coupling in counterweight belt, and the other end and the balancing weight rigid coupling in counterweight belt, the balancing weight suspends in midair at the back of supporting seat.

Wherein, the bottom surface of slide is equipped with buffer spring, and buffer spring's top and the bottom surface rigid coupling of slide, buffer spring's bottom butt base.

The lifting device comprises a lifting oil cylinder, a cylinder body of the lifting oil cylinder is fixedly arranged on the base, and a telescopic rod of the lifting oil cylinder is fixedly connected with the back face of the sliding plate.

Wherein, the anchor clamps body is equipped with spacing hole including the U type support of invering, the middle part of U type support, and the top surface of U type support is equipped with mated stopper, and mated stopper symmetry sets up the left and right sides in spacing hole.

Wherein, each stopper is L type structure, and the corner between the vertical section and the horizontal section of stopper is formed with the groove of keeping away of arranging along vertical direction.

The pressing and holding device comprises paired corner cylinders, the two corner cylinders are respectively positioned on the left side and the right side of the limiting hole, the cylinder body of each corner cylinder is fixedly mounted on the U-shaped support, and the rotating shaft of each corner cylinder is fixedly connected with at least two pressing and holding blocks.

The two adjacent pressing blocks are arranged on the same corner cylinder at intervals in the vertical direction, and the projections of the two adjacent pressing blocks on the horizontal plane are perpendicular to each other.

Wherein, still include the handle, the one end of handle is articulated through the side of articulated elements with the supporting seat, and the other end of handle extends to the side of slide, and the side rigid coupling of slide has two spacing posts of arranging at an interval, and the handle is put into between two spacing posts.

Wherein, elevating gear includes the lift cylinder, and the cylinder body fixed mounting of lift cylinder is on the base, and the telescopic link of lift cylinder and the back rigid coupling of slide.

The working process of the electric milling cutter of the utility model is as follows: firstly, placing a workpiece into a clamp body, then starting a pressing device, and pressing the workpiece on the clamp body by the pressing device; secondly, starting a driving motor, wherein an output shaft of the driving motor drives a driving belt wheel to rotate, the driving belt wheel drives a driven belt wheel to rotate through a synchronous belt, and the driven belt wheel and a rotating shaft are relatively fixed, so that the driving motor indirectly drives the rotating shaft to rotate, and the left milling cutter and the right milling cutter at the two ends of the rotating shaft are driven to synchronously rotate; and thirdly, starting a lifting device, driving the whole sliding plate to reciprocate in the vertical direction by the lifting device, and indirectly driving the left milling cutter and the right milling cutter to reciprocate in the vertical direction by the lifting device because the rotating shaft is fixed on the sliding plate through the main shaft bracket, so that the left milling cutter and the right milling cutter synchronously cut a left notch and a right notch of a workpiece pressed and held in the clamp body.

The electric milling cutter has the following beneficial effects:

(1) the driving motor drives the left milling cutter and the right milling cutter to synchronously rotate under the assistance of the driving belt wheel, the synchronous belt and the driven belt wheel, and drives the left milling cutter and the right milling cutter to move in the vertical direction simultaneously through the lifting device, so that the left milling cutter and the right milling cutter can simultaneously contact with workpieces and can synchronously process mirror image workpieces, the consistency and the synchronism of processing are ensured, and the quality of products is improved.

(2) The left milling cutter and the right milling cutter are fixedly connected to the same rotating shaft, and only one driving motor is needed to drive the left milling cutter and the right milling cutter, so that parts are saved, the production cost is reduced, the structure of the milling cutter is simplified, and the overall weight of the milling cutter is reduced.

(3) The milling cutter can finish the cutting of mirror image workpieces at one time, shortens the processing time, improves the production efficiency, reduces the production cost, and has good cutting effect and high processing reliability.

(4) The milling cutter of the utility model has simple and compact structure, light weight, convenient carrying and simple maintenance.

Drawings

Fig. 1 is a schematic structural diagram of a workpiece in the prior art.

Fig. 2 is a schematic structural diagram of the electric milling cutter in the embodiment.

Fig. 3 is a schematic structural diagram of another perspective view of the electric milling cutter according to the embodiment.

Fig. 4 is a schematic structural diagram of the driving device in this embodiment.

Fig. 5 is a schematic structural diagram of the clamp body and the pressing device in this embodiment.

Fig. 6 is a schematic structural diagram of a limiting block in this embodiment.

Reference numerals: the workpiece comprises a workpiece 1, a mounting lug 11, a left notch 12, a right notch 13, a base 21, a supporting seat 22, a reinforcing plate 23, a lifting slide rail 31, a slide block 32, a sliding plate 33, a balancing weight 41, a pulley 42, a balancing weight belt 43, a lifting oil cylinder 5, a buffer spring 6, a U-shaped support 71, an angle cylinder 72, a pressing block 73, a limiting block 74, a limiting hole 75, a spacing groove 76, a handle 81, a limiting column 82, an articulated seat 83, a driving motor 91, a driving pulley 92, a driven pulley 93, a synchronous belt 94, a left milling cutter 95 and a right milling cutter 96.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments of the present invention may be arbitrarily combined with each other without conflict.

Referring to fig. 1 to 3, the milling cutter of the present embodiment includes a base 21, a supporting seat 22 is vertically and fixedly connected to a top surface of the base 21, and in order to improve structural strength of the supporting seat 22 and enhance connection rigidity between the supporting seat 22 and the base 21, vertical reinforcing plates 23 are formed on left and right side surfaces of the supporting seat 22. The front of the supporting seat 22 is fixedly provided with a lifting slide rail 31, the lifting slide rail 31 is provided with a slide block 32 capable of reciprocating along the lifting slide rail 31 in the vertical direction, the outer side surface of the slide block 32 is fixedly connected with a sliding plate 33, and the base 21 is provided with a lifting device for driving the sliding plate 33 to reciprocate in the vertical direction. In this embodiment, the lifting device includes a lifting cylinder 5, a cylinder body of the lifting cylinder 5 is fixedly installed on the base 21, and a telescopic rod of the lifting cylinder 5 is fixedly connected with the back surface of the sliding plate 33. The working process of the lifting device is as follows: lift cylinder 5 starts, lift cylinder 5's telescopic link can be at vertical direction up-and-down motion, because lift cylinder 5's telescopic link and slide 33's back rigid coupling, therefore, lift cylinder 5's telescopic link motion's in-process can drive slide 33 at vertical direction up-and-down motion, if fixed mounting has other spare parts on slide 33, slide 33 can drive these other spare parts up-and-down motion in vertical direction, slide 33 is under slider 32 and lift slide rail 31's effect, the fluency of motion has been promoted, slider 32 and lift slide rail 31 can also play the effect of direction, improve elevating gear's job stabilization nature and work fluency degree.

In another embodiment, the lifting device may further employ a lifting cylinder as a driving source. Specifically, the cylinder body of the lifting cylinder is fixedly installed on the base 21, and the telescopic rod of the lifting cylinder is fixedly connected with the back of the sliding plate 33. The working mode of the lifting cylinder is the same as that of the lifting oil cylinder 5, the pneumatic transmission mode is adopted to act more quickly, automation control is more convenient, and the pneumatic transmission mode or the hydraulic transmission mode can be set according to actual requirements.

With reference to fig. 4, in this embodiment, the outer side surface (front surface) of the sliding plate 33 is fixedly connected with a driving motor 91 and a spindle support, the spindle support is located below the driving motor 91, the spindle support is provided with a rotating shaft capable of rotating relative to the spindle support, it should be noted that the spindle support comprises two symmetrically arranged mounting plates, each mounting plate is vertically fixed on the outer side surface of the sliding plate 33, a through hole is formed in the middle of each mounting plate, a bearing is fixedly mounted in the through hole, and the rotating shaft sequentially penetrates through the bearing of each mounting plate, so that the rotating shaft can rotate relative to the spindle support.

As a modification, the left milling cutter 95 and the right milling cutter 96 are respectively fixed to two ends of the rotating shaft, so that when the rotating shaft rotates, the left milling cutter 95 and the right milling cutter 96 can be synchronously driven to work. A driving pulley 92 is fixedly connected to an output shaft of the driving motor 91, a driven pulley 93 is fixedly sleeved on the outer peripheral side of the rotating shaft, and the driving pulley 92 is in transmission connection with the driven pulley 93 through a synchronous belt 94. Of course, the driving pulley 92, the driven pulley 93 and the synchronous belt 94 can be replaced by a driving structure of a driving sprocket, a driven sprocket and a chain, and the arrangement can be selected according to actual requirements.

In this embodiment, in order to facilitate fixing of the workpiece 1, referring to fig. 5 and 6, a jig body for supporting the workpiece 1 and fixedly mounted on the base 21 is provided below the rotating shaft, and the jig body is provided with a pressing device for pressing and holding the workpiece 1. Specifically, the anchor clamps body is equipped with spacing hole 75 including the U type support 71 of invering, the middle part of U type support 71, and the top surface of U type support 71 is equipped with mated stopper 74, and mated stopper 74 symmetry sets up the left and right sides in spacing hole 75.

Please see fig. 6, each of the limiting blocks 74 is an L-shaped structure, a avoiding groove 76 arranged along the vertical direction is formed at a corner between the longitudinal section and the transverse section of the limiting block 74, and the avoiding groove 76 can prevent the right-angled structure of the workpiece 1 from directly touching the limiting block 74 to cause damage, thereby achieving the effect of avoiding protection.

In the present embodiment, referring to fig. 5, the pressing device includes a pair of corner cylinders 72, and it should be noted that the corner cylinders 72 are conventional corner cylinders 72 on the market, and the rotating shafts of the corner cylinders 72 have a pressing function. The two corner cylinders 72 are respectively positioned at the left side and the right side of the limiting hole 75, the cylinder body of each corner cylinder 72 is fixedly installed on the U-shaped support 71, and the rotating shaft of each corner cylinder 72 is fixedly connected with at least two pressing blocks 73. Specifically, two adjacent pressing blocks 73 are arranged on the same corner cylinder 72 at intervals in the vertical direction, and the projections of the two adjacent pressing blocks 73 on the horizontal plane are perpendicular to each other, that is, the two adjacent pressing blocks 73 are 90 degrees each other. The two pressing blocks 73 which are perpendicular to each other on the horizontal plane are arranged, the two pressing blocks 73 are arranged at intervals in the vertical direction, the rotating shaft of the corner cylinder 72 is controlled to rotate forwards by 90 degrees or rotate reversely by 90 degrees, so that the pressing blocks 73 with different heights are selected to be arranged above the workpiece 1, after the proper pressing block 73 is selected, the rotating shaft is driven to press downwards by the corner cylinder 72, the workpiece 1 can be pressed, the two pressing blocks 73 with different positions in the height direction can be suitable for pressing two kinds of workpieces 1, frequent replacement of the corner cylinder 72 is avoided, the pressing of at least two kinds of workpieces 1 can be suitable, the number of times for replacing the corner cylinder 72 is reduced, and the applicability and flexibility of the milling cutter are improved.

In practical application, since the components such as the driving device and the spindle bracket are all fixedly mounted on the front surface of the sliding plate 33, the front surface of the sliding plate 33 receives a large load and has a tendency of falling outward, which may cause problems such as an excessive load of the lifting device and a non-smooth movement between the sliding block 32 and the sliding rail, and in order to reduce the load received by the sliding plate 33, the milling cutter further includes a counterweight mechanism, see fig. 2 and 3, the counterweight mechanism includes a counterweight 41, a pulley 42 and a counterweight belt 43, the pulley 42 is rotatably mounted on the top end of the supporting seat 22, the counterweight belt 43 is abutted against the outer side of the pulley 42, one end of the counterweight belt 43 is fixedly connected with the sliding plate 33, the other end of the counterweight belt 43 is fixedly connected with the counterweight 41, and the counterweight 41 is suspended on the back surface of the supporting seat 22. The counterweight 41 can make the sliding plate 33 obtain an upward oblique pulling force through the counterweight belt 43, thereby offsetting part of the load born by the sliding plate 33, making the load of the sliding plate 33 on the sliding block 32 and the lifting device more uniform, and further improving the service life and the sliding fluency of the sliding plate 33.

Referring to fig. 2, the bottom surface of the slide plate 33 is provided with a buffer spring 6, the top end of the buffer spring 6 is fixed to the bottom surface of the slide plate 33, and the bottom end of the buffer spring 6 abuts against the base 21. The buffer spring 6 can play a role of buffering, and can also reduce the load borne by the sliding plate 33 and reduce the impact.

The milling cutter of this embodiment still includes the controller, and outside oil pump, driving motor 91 all are connected with the controller electricity, and outside oil pump passes through oil pipe and lift cylinder 5 intercommunication to can start or close through controller control lift cylinder 5 and driving motor 91, realize electric drive's function, improve milling cutter's degree of automation. The milling cutter of the embodiment has a function of manually controlling machining in addition to the electric control operation mode. Specifically, please see fig. 3, the milling cutter further includes a handle 81, one end of the handle 81 is hinged to the side of the support seat 22 through a hinge member, the hinge member is a conventional hinge seat 83 on the market, the other end of the handle 81 extends to the side of the sliding plate 33, two spacing columns 82 arranged at intervals are fixedly connected to the side of the sliding plate 33, and the handle 81 is placed between the two spacing columns 82. In the manual operation mode, the handle 81 is pushed by an external force, and the handle 81 abuts against the limiting column 82 on the side surface of the sliding plate 33, so that the sliding block 32 is pushed to slide in a reciprocating manner in the vertical direction, and the left milling cutter 95 and the right milling cutter 96 are indirectly driven to slide in a reciprocating manner in the vertical direction. Therefore, the milling cutter machine of the embodiment can be electrically driven and also manually controlled, and is high in flexibility and simple and convenient to operate.

The working process of the electric milling cutter of the embodiment is as follows: firstly, placing a workpiece 1 into a clamp body, then starting a pressing device, and pressing the workpiece 1 on the clamp body by the pressing device; secondly, starting the driving motor 91, driving the driving pulley 92 to rotate by an output shaft of the driving motor 91, driving the driven pulley 93 to rotate by the driving pulley 92 through the synchronous belt 94, and indirectly driving the rotating shaft to rotate by the driving motor 91 because the driven pulley 93 is relatively fixed with the rotating shaft, thereby realizing the synchronous rotation of the left milling cutter 95 and the right milling cutter 96 at the two ends of the driving rotating shaft; and thirdly, starting the lifting device, driving the whole sliding plate 33 to reciprocate in the vertical direction by the lifting device, and indirectly driving the left milling cutter 95 and the right milling cutter 96 to reciprocate in the vertical direction because the rotating shaft is fixed on the sliding plate 33 through the main shaft bracket, so that the left milling cutter 95 and the right milling cutter 96 synchronously cut the left notch 12 and the right notch 13 of the workpiece 1 pressed in the clamp body.

The electric milling cutter of the embodiment has the following characteristics that firstly, the driving motor 91 drives the left milling cutter 95 and the right milling cutter 96 to synchronously rotate under the assistance of the driving pulley 92, the synchronous belt 94 and the driven pulley 93, and the left milling cutter 95 and the right milling cutter 96 are driven to move in the vertical direction by the lifting device, so that the left milling cutter 95 and the right milling cutter 96 can simultaneously contact with the workpiece 1 and can synchronously process the mirror image workpiece 1, the processing consistency and synchronism are ensured, and the product quality is improved. Secondly, through with left milling cutter 95 and right milling cutter 96 rigid coupling on same pivot, only need a driving motor 91 can accomplish the drive of left milling cutter 95 and right milling cutter 96, saved the part, reduced manufacturing cost, simplified the structure of milling cutter machine, reduced the whole weight of milling cutter machine. Thirdly, the milling cutter can finish the cutting of the mirror image workpiece 1 at one time, the processing time is shortened, the production efficiency is improved, the production cost is reduced, the cutting effect is good, and the processing reliability is high. Fourthly, the milling cutter has simple and compact structure, light weight, convenient carrying and simple maintenance.

Although the embodiments of the present invention have been described above, the embodiments are only used for understanding the present invention, and are not intended to limit the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The electric milling cutter is characterized by comprising a base, wherein a supporting seat is vertically and fixedly connected to the top surface of the base, a lifting slide rail is fixedly mounted on the front surface of the supporting seat, the lifting slide rail is provided with a slide block capable of reciprocating along the lifting slide rail in the vertical direction, a slide plate is fixedly connected to the outer side surface of the slide block, and the base is provided with a lifting device for driving the slide plate to reciprocate in the vertical direction;

a driving motor and a spindle support are fixedly connected to the outer side surface of the sliding plate, the spindle support is located below the driving motor, a rotating shaft capable of rotating relative to the spindle support is arranged on the spindle support, a left milling cutter and a right milling cutter are fixedly connected to two ends of the rotating shaft respectively, an output shaft of the driving motor is fixedly connected with a driving belt wheel, a driven belt wheel is fixedly sleeved on the outer peripheral side of the rotating shaft, and the driving belt wheel is in transmission connection with the driven belt wheel through a synchronous belt;

the fixture comprises a base, a rotating shaft and a fixture body, wherein the fixture body is used for supporting a workpiece and is fixedly installed on the base, and the fixture body is provided with a pressing device used for pressing the workpiece.

2. The electric milling cutter according to claim 1, wherein a weight mechanism is further provided, the weight mechanism comprises a weight block, a pulley and a weight belt, the pulley is rotatably mounted on the top end of the support base, the weight belt is abutted against the outer side of the pulley, one end of the weight belt is fixedly connected with the sliding plate, the other end of the weight belt is fixedly connected with the weight block, and the weight block is suspended on the back surface of the support base.

3. The electric milling cutter according to claim 1, wherein the bottom surface of the sliding plate is provided with a buffer spring, the top end of the buffer spring is fixedly connected with the bottom surface of the sliding plate, and the bottom end of the buffer spring abuts against the base.

4. The electric milling cutter according to claim 1, wherein the lifting device comprises a lifting cylinder, a cylinder body of the lifting cylinder is fixedly mounted on the base, and a telescopic rod of the lifting cylinder is fixedly connected with the back surface of the sliding plate.

5. The electric milling cutter according to claim 1, wherein the clamp body comprises an inverted U-shaped bracket, a limiting hole is formed in the middle of the U-shaped bracket, and the top surface of the U-shaped bracket is provided with a pair of limiting blocks, and the pair of limiting blocks are symmetrically arranged on the left side and the right side of the limiting hole.

6. The electric milling cutter machine according to claim 5, wherein each of the stoppers is of an L-shaped structure, and a vertical-direction-arranged avoiding groove is formed at a corner between the longitudinal section and the transverse section of each stopper.

7. The electric milling cutter according to claim 5, wherein the pressing device comprises a pair of corner cylinders, the two corner cylinders are respectively located at the left and right sides of the limiting hole, the cylinder body of each corner cylinder is fixedly mounted on the U-shaped bracket, and at least two pressing blocks are fixedly connected to the rotating shaft of each corner cylinder.

8. The electric milling cutter machine according to claim 7, wherein two adjacent pressing blocks on the same corner cylinder are arranged at intervals in the vertical direction, and the projections of the two adjacent pressing blocks on the horizontal plane are perpendicular to each other.

9. The electric milling cutter according to claim 1, further comprising a handle, wherein one end of the handle is hinged to the side of the support base through a hinge, the other end of the handle extends to the side of the sliding plate, two spacing posts are fixed to the side of the sliding plate, and the handle is inserted between the two spacing posts.

10. The electric milling cutter according to claim 1, wherein the lifting device comprises a lifting cylinder, a cylinder body of the lifting cylinder is fixedly mounted on the base, and a telescopic rod of the lifting cylinder is fixedly connected with the back surface of the sliding plate.