CN218135449U - Rotary cutting device and slot cutting machine - Google Patents

Abstract

The utility model discloses a rotary cutting device and a slot-cutting machine, which have the characteristics of high processing efficiency and wide processing applicability; the rotary cutting device comprises a mandrel component, a rotating component, a lifting component and a cutting component; the mandrel component comprises a shaft lever and a clamping die, one end of the shaft lever is fixed on the rack, and the other end of the shaft lever is detachably connected with the clamping die; the rotating assembly comprises a hollow rotating shaft sleeved with the shaft lever and a rotating power part for driving the hollow rotating shaft to rotate; the lifting assembly comprises a sliding shaft sleeve, a peripheral turntable and a lifting power piece, the sliding shaft sleeve is slidably sleeved with the hollow rotating shaft, the peripheral turntable is rotatably connected to the outer surface of the sliding shaft sleeve, and the lifting power piece is used for driving the sliding shaft sleeve to lift; the cutting assembly comprises a cutter group plate, a cutter and a sliding driving piece, the cutter group plate is arranged at the upper end of the hollow rotating shaft, the clamping die penetrates through the cutter group plate, the cutter is in sliding connection with the cutter group plate, and two ends of the sliding driving piece are respectively connected with a peripheral turntable and connected with the cutter; the grooving machine comprises a machine frame, a protective cover and the rotary cutting device.

Description

Rotary cutting device and slot cutting machine

Technical Field

The utility model relates to a relevant technical field of machining equipment especially relates to a rotary-cut device and grooving machine.

Background

The door handle generally has a handle and a columnar connecting column connected with the handle, a square hole or a clamping groove for the lock cylinder to penetrate is formed in the connecting column, and at least one annular groove is formed in the outer surface of the connecting column. Most of the existing annular grooves on the door handles are machined by an instrument lathe, and the annular grooves are machined mainly by rotating the product and linearly feeding a cutter. Because the product appearance is required to be clamped and positioned, a profiling jig matched with the appearance of the door handle is required (the jig of the door handle among different models is mostly not universal). When the door handle is clamped, the copying jig needs to be stopped at a specific angle (the door handle is convenient to take and place), the jig is required to clamp the door handle after the door handle is placed in, a machine needs to be stopped after a product is machined every time, the clamp is opened, the product can be taken out, machining efficiency is low, machining process is not smooth, and a large amount of time is consumed for assembling and disassembling workpieces. In addition, the defects that equipment universality is insufficient, a jig needs to be matched with the type of a workpiece for use, equipment cost investment is overlarge and the like exist.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rotary-cut device and grooving machine, it has machining efficiency height, and processes extensive applicability's characteristics to overcome not enough that exists among the prior art.

In order to achieve the above object, the present invention provides the following technical solutions:

a rotary cutting device comprises a mandrel component, a rotating component, a lifting component and a cutting component;

the mandrel component comprises a shaft lever and a clamping die, one end of the shaft lever is fixed on an external rack, and the other end of the shaft lever is detachably connected with the clamping die;

the rotating assembly comprises a hollow rotating shaft and a rotating power part, the shaft lever is sleeved on the hollow rotating shaft, the rotating power part is in transmission connection with the hollow rotating shaft, and the rotating power part is used for driving the hollow rotating shaft to rotate;

the lifting assembly comprises a sliding shaft sleeve, a peripheral turntable and a lifting power part, the sliding shaft sleeve is slidably sleeved on the hollow rotating shaft, the peripheral turntable is rotatably connected to the outer surface of the sliding shaft sleeve, the lifting power part is mounted on an external rack, and the lifting power part is used for driving the sliding shaft sleeve to slide along the axial direction of the hollow rotating shaft;

the cutting assembly comprises a cutter group plate, a cutter and a sliding driving piece, the cutter group plate is installed at one end, close to the clamping die, of the hollow rotating shaft, the clamping die penetrates through the cutter group plate, the cutter is in sliding connection with the cutter group plate, one end of the sliding driving piece is connected with the peripheral turntable, the other end of the sliding driving piece penetrates through the cutter group plate and is connected with the cutter, and the sliding driving piece is used for driving the cutter to be close to or far away from the clamping die.

In one embodiment, the mandrel assembly further comprises a pressing plate, the clamping die comprises a connecting portion and a working portion which are sequentially connected, a positioning hole for the connecting portion to be inserted is formed in one end, close to the clamping die, of the shaft rod, a through hole for the working portion to penetrate through is formed in the pressing plate, and the pressing plate is used for fixing the clamping die on the shaft rod.

In one embodiment, the rotating assembly further includes a first bearing, a second bearing and a third bearing, the first bearing and the second bearing are disposed in the hollow rotating shaft at an end far away from the clamping die, the third bearing is disposed in the hollow rotating shaft at an end close to the clamping die, and the shaft rod sequentially penetrates through the first bearing, the second bearing and the third bearing from bottom to top.

In one embodiment, the rotating assembly further comprises a driving wheel, the driving wheel is installed at one end, away from the clamping die, of the hollow rotating shaft, and the rotating power piece is connected with the driving wheel through a driving piece.

In one embodiment, the lifting assembly further includes a shaft seat, the shaft seat is fixedly connected to an external frame, the hollow rotating shaft is sleeved on the shaft seat, and the sliding shaft sleeve is slidably connected to an outer surface of the shaft seat.

In one embodiment, the lifting assembly further comprises a bottom plate, the bottom plate is mounted on an external machine frame, the hollow rotating shaft penetrates through the bottom plate, and the lifting power element and the shaft seat are mounted on the bottom plate.

In one embodiment, the lifting assembly further includes a fourth bearing, a fifth bearing, a sixth bearing and a seventh bearing, the fourth bearing is disposed in the shaft seat at an end away from the clamping mold, the fifth bearing is disposed in the shaft seat at an end close to the clamping mold, the fourth shaft seat and the fifth bearing are both sleeved on the outer surface of the hollow rotating shaft, the sixth bearing and the seventh bearing are disposed in the peripheral turntable from bottom to top, and the sixth bearing and the seventh bearing are both sleeved on the outer surface of the shaft seat.

In one embodiment, the cutting assembly further includes a tool post and a handle insert, the tool post is disposed on a side surface of the clamping die, the tool post is slidably connected to the tool set plate, the cutting tool is detachably connected to the tool post, the tool post is in threaded connection with a first abutting screw and a second abutting screw, the first abutting screw abuts against a top surface of the cutting tool, the second abutting screw abuts against a side surface of the cutting tool, one end of the tool post, which is far away from the clamping die, is connected to the sliding driving member, the handle insert is mounted on the tool post, one end of the cutting tool, which is far away from the clamping die, abuts against the handle insert, the handle insert is provided with a fine adjustment screw, and the fine adjustment screw is used for adjusting a length of the cutting tool, which extends out of the tool post.

In one embodiment, a T-shaped groove is formed in one end, away from the peripheral turntable, of the sliding driving member, the T-shaped groove is formed in the top of the sliding driving member and is inclined towards the tool apron, and a T-shaped block matched with the T-shaped groove is arranged at one end, away from the clamping die, of the tool apron.

The utility model provides a grooving machine, includes frame, safety cover and foretell rotary-cut device, the safety cover covers establishes the frame, the rotary-cut device is installed in the frame, seted up on the safety cover with the confession work piece male machining hole that the card mould corresponds.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a rotary-cut device, in inserting the square hole or the draw-in groove on the door handle of treating processing with the mould that blocks, it is rotatory to drive the cavity pivot by the rotary power spare, it is rotatory to drive the knife tackle board by the cavity pivot again, then it is rotatory around the mould that blocks to drive the cutter by the knife tackle board, the power spare that goes up and down drives slip axle sleeve and peripheral carousel along cavity pivot endwise slip, the slip driving piece changes the elevating movement of the direction of hanging down of peripheral carousel into the sliding movement of the horizontal direction of cutter, realize the feed or the back of a knife of cutter. Consequently, when utilizing this device to process the ring channel on the door handle, only need aim at the door handle card mould and insert, the door handle remains motionless, by the cutter around the rotatory and horizontal cutting feed realization ring channel's of card mould cutting process, it can not shut down the next product of direct processing to process, make the production beat of whole cutting process more smooth, the production efficiency of equipment has also been improved, furthermore, the card mould can be dismantled with the axostylus axostyle and be connected, can change corresponding card mould according to the product of processing, high convenience and fastness, and the commonality is good, be favorable to reducing equipment cost's input.

The grooving machine with the rotary cutting device only needs to insert a product to be processed into the processing hole, so that the difficulty of clamping the product is reduced, the production efficiency of equipment is improved, the safety factor in the production process is improved, the grooving machine has good universality, and the investment cost of enterprise equipment can be effectively reduced.

Drawings

Fig. 1 is a schematic structural view of a rotary cutting device according to a preferred embodiment of the present invention;

fig. 2 isbase:Sub>A cross-sectional view of the rotational atherectomy device of fig. 1 taken along linebase:Sub>A-base:Sub>A;

fig. 3 is an exploded view of the rotational atherectomy device of fig. 1;

fig. 4 is an exploded view of a mandrel assembly of the rotational atherectomy device of fig. 3;

fig. 5 is a schematic view of a cutting assembly of the rotary cutting apparatus shown in fig. 1;

FIG. 6 is a schematic view of the cutting blade, slide drive, tool holder and handle insert of the cutting assembly of FIG. 5;

fig. 7 is a diagram illustrating an example of an application of a slot cutting machine of the rotary cutting device according to an embodiment of the present invention;

reference is made to the accompanying drawings in which:

rotary cutting device 100:

the device comprises a mandrel component 10, a shaft rod 11, a positioning hole 111, a clamping die 12, a connecting part 121, a working part 122, a positioning pin 123 and a pressure plate 13; a rotating assembly 20, a hollow rotating shaft 21, a driving wheel 22, a first bearing 23, a second bearing 24 and a third bearing 25; the lifting assembly 30, the sliding shaft sleeve 31, the peripheral turntable 32, the lifting power part 33, the shaft seat 34, the bottom plate 35, the fourth bearing 36, the fifth bearing 37, the sixth bearing 38 and the seventh bearing 39; the cutting assembly 40, the knife group plate 41, the cutter 42, the sliding driving piece 43, the T-shaped groove 431, the knife seat 44, the T-shaped block 441, the knife handle insert 45, the back plate 46 and the knife seat pressing plate 47.

A slot cutting machine 200, a frame 10a and a protective cover 20a.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be embodied in many other forms different from those described herein and similar modifications may be made by those skilled in the art without departing from the spirit and scope of the invention and, therefore, the invention is not to be limited to the specific embodiments disclosed below.

The present invention will be described in detail with reference to embodiments shown in the drawings:

referring to fig. 1 to 6, a rotary cutting apparatus 100 according to a preferred embodiment of the present invention includes a mandrel assembly 10, a rotating assembly 20, a lifting assembly 30 and a cutting assembly 40; the mandrel component 10 comprises a shaft rod 11 and a clamping die 12, one end of the shaft rod 11 is fixed on an external frame, and the other end of the shaft rod 11 is detachably connected with the clamping die 12; the rotating assembly 20 comprises a hollow rotating shaft 21 and a rotating power part, the shaft lever 11 is sleeved on the hollow rotating shaft 21, the rotating power part is in transmission connection with the hollow rotating shaft 21, and the rotating power part is used for driving the hollow rotating shaft 21 to rotate; the lifting assembly 30 comprises a sliding shaft sleeve 31, a peripheral turntable 32 and a lifting power part 33, the sliding shaft sleeve 31 is slidably sleeved on the hollow rotating shaft 21, the peripheral turntable 32 is rotatably connected to the outer surface of the sliding shaft sleeve 31, the lifting power part 33 is mounted on an external frame, and the lifting power part 33 is used for driving the sliding shaft sleeve 31 to slide along the axial direction of the hollow rotating shaft 21; the cutting assembly 40 includes a cutting block plate 41, a cutting knife 42 and a sliding driving member 43, the cutting block plate 41 is installed at one end of the hollow rotating shaft 21 close to the clamping die 12, the clamping die 12 penetrates through the cutting block plate 41, the cutting knife 42 is slidably connected with the cutting block plate 41, one end of the sliding driving member 43 is connected with the peripheral turntable 32, the other end of the sliding driving member 43 penetrates through the cutting block plate 41 and is connected with the cutting knife 42, and the sliding driving member 43 is used for driving the cutting knife 42 to be close to or far away from the clamping die 12. The utility model discloses a rotary-cut device 100 has machining efficiency height, and processing extensive applicability's characteristics.

As shown in fig. 2 to 4, the mandrel assembly 10 includes a shaft 11 and a clamping die 12, one end of the shaft 11 is fixed on an external frame, and the other end is detachably connected to the clamping die 12. Further, in order to prevent the axle rod 11 from rotating along with the axle rod 11 under the reaction force of the cutting force during the operation of the axle rod 11, a rotation stop position (not shown) is provided at one end of the axle rod 11 away from the clamping die, and a clamping plate (not shown) corresponding to the rotation stop position is provided on the external frame. Furthermore, the card die 12 includes a connecting portion 121 and a working portion 122 connected in sequence, one end of the shaft rod 11 close to the card die 12 is provided with a positioning hole 111 for the connecting portion 121 to be inserted into, the cross-sectional shape of the positioning hole 111 corresponds to the shape of the connecting portion 121, and the cross-sectional shape of the working portion 122 corresponds to a square hole or a slot of a door handle to be processed, so that the working portion 122 is correspondingly inserted into the square hole or the slot of the door handle to realize positioning and rotation stopping during the processing of the door handle; further, in order to limit the depth of the working portion 122 inserted into the door handle, the clamping mold further includes a positioning pin 123, the positioning pin 123 is disposed on the working portion 122, and the positioning pin 123 protrudes from the working portion 122. Further, the mandrel assembly 10 further comprises a pressing plate 13, a through hole for the working portion 122 to penetrate is formed in the pressing plate 13, the pressing plate 13 is used for fixing the clamping die 12 on the shaft rod 11, the pressing plate 13 is detachably connected with the shaft rod 11 through a screw, and the user can replace the corresponding clamping die 12 according to the model of the workpiece to be processed by setting the pressing plate 13 conveniently.

Referring to fig. 1 to 3, the rotating assembly 20 includes a hollow rotating shaft 21 and a rotating power component (not shown), the hollow rotating shaft 21 is sleeved on the shaft rod 11, the rotating power component is in transmission connection with the hollow rotating shaft 21, and the rotating power component is used for driving the hollow rotating shaft 21 to rotate. Further, the rotating assembly 20 further comprises a driving wheel 22, the driving wheel 22 is installed at one end of the hollow rotating shaft 21 far away from the clamping die 12, and the rotating power piece is connected with the driving wheel 22 through a transmission piece; in this embodiment, the rotating power member is a motor, the transmission wheel 22 is a belt pulley, and the transmission member is a belt, in other embodiments, the transmission wheel and the transmission member may also be gears, or the transmission wheel is a sprocket, the transmission member is a chain, or the transmission wheel is a synchronous wheel, and the transmission member is a synchronous belt. Further, the rotating assembly 20 further includes a first bearing 23, a second bearing 24 and a third bearing 25, the first bearing 23 and the second bearing 24 are disposed in one end of the hollow rotating shaft 21 far away from the clamping die 12, the third bearing 25 is disposed in one end of the hollow rotating shaft 21 close to the clamping die 12, and the shaft rod 11 sequentially penetrates through the first bearing 23, the second bearing 24 and the third bearing 25 from bottom to top; the arrangement of the first bearing 23, the second bearing 24 and the third bearing 25 can enable the hollow rotating shaft 21 to smoothly rotate around the shaft rod 11, and can ensure that the hollow rotating shaft 21 and the shaft rod 11 keep coaxial. Alternatively, the first bearing 23 is a deep groove ball bearing, the second bearing 24 is a thrust bearing, and the third bearing 25 is a taper bearing.

Referring to fig. 1 to 3 again, the lifting assembly 30 includes a sliding shaft sleeve 31, a peripheral rotating disc 32 and a lifting power member 33, the sliding shaft sleeve 31 is slidably sleeved on the hollow rotating shaft 21, the peripheral rotating disc 32 is rotatably connected to an outer surface of the sliding shaft sleeve 31, the lifting power member 33 is mounted on an external frame, and the lifting power member 33 is used for driving the sliding shaft sleeve 31 to slide along an axial direction of the hollow rotating shaft 21. Furthermore, the bottom of the sliding shaft sleeve 31 is shaped like a disk, so that the arrangement can be used for supporting the peripheral turntable 32 and preventing the peripheral turntable 32 from slipping off the surface of the sliding shaft sleeve 31 due to the action of gravity, and can be convenient for the lifting power element 33 to push the sliding shaft sleeve 31 to slide along the axial direction of the hollow rotating shaft 21; in this embodiment, the lifting power member 33 is an air cylinder, and in other embodiments, the lifting power member 33 may also be an oil cylinder or a motor. In order to balance the stress on the sliding shaft sleeve 31, in this embodiment, the number of the lifting power members 33 is three, the three lifting power members 33 are uniformly arranged along the circumferential direction of the sliding shaft sleeve 31 at intervals, in other embodiments, the number of the lifting power members 33 may also be greater than or equal to one, and the lifting power members may be arranged in an increasing and decreasing manner according to actual requirements. Further, lifting unit 30 still includes axle bed 34, axle bed 34 and outside frame fixed connection, and hollow pivot 21 is established to axle bed 34 cover, and slip axle sleeve 31 sliding connection is in the surface of axle bed 34, can be convenient for slip axle sleeve 31 to slide through setting up axle bed 34, provides gliding benchmark for slip axle sleeve 31. Further, the lifting assembly 30 further includes a bottom plate 35, the bottom plate 35 is installed on an external frame, the hollow rotating shaft 21 penetrates through the bottom plate 35, and the lifting power member 33 and the shaft seat 34 are installed on the bottom plate 35.

In one embodiment, the lift assembly 30 further includes a fourth bearing 36, a fifth bearing 37, a sixth bearing 38, and a seventh bearing 39. The fourth bearing 36 is arranged in one end of the shaft seat 34 far away from the clamping die 12, the fifth bearing 37 is arranged in one end of the shaft seat 34 close to the clamping die 12, the fourth shaft seat 34 and the fifth bearing 37 are both sleeved on the outer surface of the hollow rotating shaft 21, the hollow rotating shaft 21 can smoothly rotate in the shaft seat 34 by arranging the fourth bearing 36 and the fifth bearing 37, and the coaxiality of the hollow rotating shaft 21 and the shaft seat 34 can be ensured. The sixth bearing 38 and the seventh bearing 39 are disposed in the peripheral rotary plate 32 from bottom to top, the sixth bearing 38 and the seventh bearing 39 are both sleeved on the outer surface of the sliding shaft sleeve 31, and the sixth bearing 38 and the seventh bearing 39 are disposed, so that the peripheral rotary plate 32 can smoothly rotate around the sliding shaft sleeve 31, and the coaxiality of the peripheral rotary plate 32 and the sliding shaft sleeve 31 can be ensured. Optionally, the fourth bearing 36 and the fifth bearing 37 are both taper bearings, the sixth bearing 38 is a deep groove ball bearing, and the seventh bearing 39 is a taper bearing.

Referring to fig. 3, 5 and 6, the cutting assembly 40 includes a cutter plate 41, a cutter 42 and a sliding driving member 43, the cutter plate 41 is installed at one end of the hollow rotating shaft 21 close to the clamping mold 12, the clamping mold 12 penetrates through the cutter plate 41, the cutter 42 is slidably connected with the cutter plate 41, one end of the sliding driving member 43 is connected with the peripheral turntable 32, the other end of the sliding driving member penetrates through the cutter plate 41 and is connected with the cutter 42, and the sliding driving member 43 is used for driving the cutter 42 to approach or leave the clamping mold 12. Further, the cutting assembly 40 further includes a tool post 44 and a tool holder insert 45, the tool post 44 is disposed on a side surface of the clamping mold 12, the tool post 44 is slidably connected to the tool set plate 41, the cutting tool 42 is detachably connected to the tool post 44, the tool post 44 is in threaded connection with a first abutting screw (not shown) and a second abutting screw (not shown), a tool slot (not shown) for mounting the cutting tool 42 is formed in the tool post 44, the first abutting screw penetrates through a top of the tool post 44 and enters the tool slot to abut against the cutting tool 42, the second abutting screw penetrates through a side surface of the tool post 44 and enters the tool slot to abut against the cutting tool 42, and the first abutting screw and the second abutting screw are matched to approach the cutting tool 42 in the direction of the reference angle and fix the cutting tool 42 on the tool post 44, so as to facilitate positioning during tool installation; further, an end of the tool holder 44 remote from the clamping die 12 is connected to the slide driving member 43. The hilt insert 45 is mounted on the tool apron 44, one end of the cutter 42, which is far away from the clamping die 12, abuts against the hilt insert 45, a fine adjustment screw (not shown) is arranged on the hilt insert 45, the fine adjustment screw penetrates through the hilt insert and enters the tool groove to abut against one end of the cutter 42, which is far away from the clamping die 12, and the length of the cutter 42, which extends out of the tool apron 44, is adjusted by adjusting the length of the fine adjustment screw screwed into the tool groove. The rotary cutting device 100 of the utility model drives the cutter 42 to feed or withdraw by the sliding of the cutter holder 44, and the length of the cutter 42 extending out of the cutter holder 44 can be shortened as much as possible, thereby improving the rigidity of the cutter 42, effectively preventing the phenomenon of cutter vibration in the cutting process and greatly improving the cutting quality; the cutter 42 is fixed on the cutter holder 44 by arranging the first abutting screw and the second abutting screw in a matching manner, so that the cutter mounting efficiency can be improved; the fine adjustment screw rod can be convenient for finely adjust the position of the cutter 42, and the cutter adjustment efficiency is improved.

In this embodiment, a T-shaped groove 431 is formed in one end of the sliding driving member 43, which is away from the peripheral turntable 32, the T-shaped groove 431 is formed by inclining the top of the sliding driving member 43 toward the tool post 44, a T-shaped block 441 matched with the T-shaped groove 431 is arranged at one end of the tool post 44, which is away from the clamping die 12, through the matching of the T-shaped groove 431 and the T-shaped block 441, the sliding driving member 43 and the tool post 44 can be linked, and the vertical movement of the sliding driving member 43 can be converted into the horizontal movement of the tool post 44 through the inclined plane matching, and the sliding driving member 43 and the tool post 44 are rigidly connected, so that the connection is more reliable, and the centrifugal force generated by the rotation of the cutter 42 and the reaction force generated by the cutting can be better overcome. Further, in order to limit the horizontal displacement of the sliding driving member 43, the cutting assembly 40 further includes a back plate 46, the back plate 46 is fixed to the edge of the knife block plate 41 by a fastener, and the back plate 46 and the knife block plate 41 enclose the sliding driving member 43. In one embodiment, the cutting assembly 40 further includes a tool holder pressing plate 47, and the tool holder pressing plate 47 mainly functions as a guide, so that the tool holder 44 slides in a straight line, and the cutting tool 42 is ensured to feed in a straight line, thereby ensuring the machining precision. Further, a cutting knife 42, a sliding driving member 43, a knife seat 44, a handle insert 45, a back plate 46 and two knife seat pressing plates 47 form a set of cutting sets, in this embodiment, the cutting sets are two sets, and the two sets of cutting sets are disposed on two opposite sides of the clamping mold 12.

The utility model discloses a rotary-cut device 100, insert card mould 12 in treating square hole or the draw-in groove on the door handle of processing, it is rotatory to drive cavity pivot 21 by the rotary power spare, it is rotatory to drive knife tackle board 41 by cavity pivot 21 again, then it is rotatory around card mould 12 to drive cutter 42 by knife tackle board 41, lift power spare 33 drives slip axle sleeve 31 and peripheral carousel 32 along cavity pivot 21 endwise slip, the slip driving piece 43 changes the elevating movement of the direction of hanging down of peripheral carousel 32 into the sliding movement of the horizontal direction of cutter 42, realize the feed or the back of a knife of cutter 42. Consequently, when utilizing this device to process the ring channel on the door handle, only need aim at door handle card mould 12 and insert, the door handle remains motionless, by cutter 42 around the rotatory cutting process that realizes the ring channel of card mould 12 and horizontal feed, it can not shut down the next product of direct processing not to process, make the production beat of whole cutting process more smooth, the production efficiency of equipment has also been improved, in addition, card mould 12 can be dismantled with axostylus axostyle 11 and be connected, can change corresponding card mould 12 according to the product of processing, high convenience and fastness, and the commonality is good, be favorable to reducing equipment cost's input.

As shown in fig. 7, an example of an application of a grooving machine 200 of the rotary cutting device 100 according to an embodiment of the present invention is provided. A slot cutting machine 200 comprises a frame 10a, a protective cover 20a and the rotary cutting device 100, wherein the frame 10a is covered by the protective cover 20a, the rotary cutting device 100 is installed on the frame 10a, and a processing hole (not shown) corresponding to a clamping die 12 and used for inserting a workpiece is formed in the protective cover 20a. The grooving machine 200 with the rotary cutting device 100 only needs to insert a product to be processed into a processing hole, so that the difficulty of product clamping is reduced, the production efficiency of equipment is improved, the safety factor in the production process is improved, and the grooving machine 200 has good universality and can effectively reduce the investment cost of enterprise equipment.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. A rotary cutting device is characterized by comprising a mandrel component, a rotating component, a lifting component and a cutting component;

the mandrel component comprises a shaft lever and a clamping die, one end of the shaft lever is fixed on an external rack, and the other end of the shaft lever is detachably connected with the clamping die;

the rotating assembly comprises a hollow rotating shaft and a rotating power part, the shaft lever is sleeved on the hollow rotating shaft, the rotating power part is in transmission connection with the hollow rotating shaft, and the rotating power part is used for driving the hollow rotating shaft to rotate;

the lifting assembly comprises a sliding shaft sleeve, a peripheral turntable and a lifting power part, the sliding shaft sleeve is slidably sleeved on the hollow rotating shaft, the peripheral turntable is rotatably connected to the outer surface of the sliding shaft sleeve, the lifting power part is mounted on an external rack, and the lifting power part is used for driving the sliding shaft sleeve to slide along the axial direction of the hollow rotating shaft;

the cutting assembly comprises a cutter group plate, a cutter and a sliding driving piece, the cutter group plate is installed at one end, close to the clamping die, of the hollow rotating shaft, the clamping die penetrates through the cutter group plate, the cutter is in sliding connection with the cutter group plate, one end of the sliding driving piece is connected with the peripheral turntable, the other end of the sliding driving piece penetrates through the cutter group plate and is connected with the cutter, and the sliding driving piece is used for driving the cutter to be close to or far away from the clamping die.

2. A rotary cutting apparatus according to claim 1, wherein the core shaft assembly further comprises a pressing plate, the clamping die comprises a connecting portion and a working portion connected in sequence, a positioning hole is provided at an end of the shaft rod near the clamping die for the connecting portion to be inserted, a through hole is provided on the pressing plate for the working portion to pass through, and the pressing plate is used for fixing the clamping die on the shaft rod.

3. A rotary cutting apparatus according to claim 1, wherein said rotary member further comprises a first bearing, a second bearing and a third bearing, said first bearing and said second bearing being disposed in an end of said hollow shaft remote from said clamping die, said third bearing being disposed in an end of said hollow shaft adjacent to said clamping die, said shaft being disposed through said first bearing, said second bearing and said third bearing in sequence from bottom to top.

4. A rotary cutting apparatus as claimed in claim 1, wherein said rotary assembly further comprises a drive wheel mounted on an end of said hollow shaft remote from said dies, said rotary power member being connected to said drive wheel by a drive member.

5. A rotary cutting apparatus according to claim 1, wherein the lifting assembly further comprises a shaft seat fixedly connected to the external frame, the shaft seat being disposed around the hollow shaft, the sliding sleeve being slidably coupled to an outer surface of the shaft seat.

6. A rotary-cut apparatus as claimed in claim 5, wherein the lifting assembly further comprises a bottom plate, the bottom plate is mounted on an external frame, the hollow shaft penetrates the bottom plate, and the lifting power member and the shaft seat are mounted on the bottom plate.

7. A rotary-cut apparatus according to claim 6, wherein the elevating assembly further comprises a fourth bearing, a fifth bearing, a sixth bearing and a seventh bearing, the fourth bearing is disposed at an end of the shaft seat away from the clamping die, the fifth bearing is disposed at an end of the shaft seat close to the clamping die, the fourth shaft seat and the fifth bearing are both disposed on an outer surface of the hollow rotating shaft, the sixth bearing and the seventh bearing are disposed on the peripheral turntable from bottom to top, and the sixth bearing and the seventh bearing are both disposed on an outer surface of the sliding shaft sleeve.

8. A rotary cutting apparatus according to claim 1, wherein the cutting assembly further comprises a holder and a handle insert, the holder is disposed on a side of the clamping module, the holder is slidably connected to the knife block plate, the cutter is detachably connected to the holder, the holder is threadedly connected to a first abutting screw and a second abutting screw, the first abutting screw abuts against a top surface of the cutter, the second abutting screw abuts against a side surface of the cutter, an end of the holder away from the clamping module is connected to the slide driving member, the handle insert is mounted on the holder, an end of the cutter away from the clamping module abuts against the handle insert, the handle insert is provided with a fine adjustment screw for adjusting a length of the cutter extending out of the holder.

9. A rotary cutting apparatus according to claim 8, wherein a T-shaped slot is formed in an end of said slide driving member remote from said peripheral turntable, said T-shaped slot is inclined from a top of said slide driving member toward said tool holder, and a T-shaped block engaged with said T-shaped slot is disposed on an end of said tool holder remote from said clamping die.

10. A slot cutting machine, comprising a frame, a protective cover and a rotary cutting device according to any one of claims 1 to 9, wherein the protective cover covers the frame, the rotary cutting device is mounted on the frame, and the protective cover is provided with a processing hole corresponding to the clamping die and used for inserting a workpiece.

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