CN219852448U - Workpiece cutting equipment of four-spindle numerical control machine tool - Google Patents

Abstract

The utility model discloses a workpiece cutting device of a four-spindle numerical control machine tool, which comprises a frame with a cutting knife group, a sliding base plate and a mounting plate, wherein the sliding base plate is respectively erected on the frame, at least one mounting seat is arranged on the mounting plate, one side of the mounting seat is provided with a press-fit assembly for pressing and fixing a workpiece to be processed on the mounting seat, the mounting plate is connected with the sliding base plate through a rotating shaft, the rotating shaft is connected with a rotation driving device, and the rotation driving device works to drive the mounting plate to rotate. The cutting machine can cut different positions of a workpiece, and meets the processing requirements of cutting planes and curved surfaces on the workpiece.

Description

Workpiece cutting equipment of four-spindle numerical control machine tool

Technical Field

The utility model relates to the field of production and machining of workpieces, in particular to workpiece cutting equipment of a four-spindle numerical control machine tool.

Background

The prior art cutting of nonmetallic materials is mainly knife cutters. Along with the development of the modern machining industry, the requirements on cutting quality and precision are continuously improved, and the requirements on improving production efficiency, reducing production cost and having a high intelligent automatic cutting function are also improved. A numerical control cutting machine is a common cutting device which meets the development requirements of the modern machining industry. The numerical control cutting machine drives the machine tool to move by using a numerical program, and the cutting tool randomly worn along with the movement of the machine tool cuts an object. Such an electromechanical integrated cutter is called a numerical control cutter.

Related prior art such as chinese patent application "a dish washing basket accessory is with multi-angle cutting mechanism", application number: CN202221882613.9; the device comprises a supporting mechanism, wherein a clamping mechanism is arranged below the inner side of the supporting mechanism, and a processing mechanism is arranged above the supporting mechanism. According to the utility model, the threaded rod is driven to rotate by the first motor, the movable blocks can be mutually closed, the clamping blocks are driven by the movable blocks to clamp the workpiece, the workpiece is clamped by the convex blocks, the power machine and the connecting block at the communicating pipe are used for supplying energy, the workpiece is cut by the laser cutting head, the second motor can be used for driving the laser cutting head to rotate, and the laser cutting head is obliquely arranged, so that the laser cutting head can be mutually matched with the components to realize multi-angle adjustment of the laser cutting head, and the workpiece is conveniently processed.

I need to machine a workpiece similar to a half bowl shape as shown in fig. 1. After the workpiece is processed and formed, more injection molding waste materials, burrs and the like exist at the edge of the section of the workpiece, and the workpiece needs to be further processed by cutting equipment to form a flat and smooth section. The cutting mechanism disclosed in the above patent application is capable of satisfying the cutting requirements for the above products, but is not applicable to the workpiece to be processed in the present utility model. The present utility model has been made in view of the fact that a plurality of work pieces are required to be machined, and that a plane is not simply machined, and that a commercially available machining apparatus is not suitable.

Disclosure of Invention

The utility model aims to solve the technical problem of providing the workpiece cutting equipment of the four-spindle numerical control machine tool, which can cut different positions of a workpiece and meet the processing requirements of cutting planes and curved surfaces on the workpiece.

The utility model adopts the technical scheme that: the utility model provides a four main shaft digit control machine tool work piece cutting equipment, includes frame, slip base plate and the mounting panel that have the cutting knife group, and the slip base plate erects respectively in the frame, the mounting panel on be provided with at least one mount pad, one side of mount pad is furnished with and is used for pressing the pressure equipment subassembly of treating the work piece and fixing on the mount pad, the mounting panel be connected with the slip base plate through the pivot, rotation drive arrangement is connected in the pivot, rotation drive arrangement work drive mounting panel rotatory.

Compared with the prior art, the utility model has the advantages that the workpiece is placed on the mounting seat, and then the workpiece is pressed and fixed on the mounting seat through the press-fit assembly, so that the workpiece and the mounting seat are kept relatively fixed. The mounting plate is connected with the sliding substrate through the rotating shaft, the driving device works to drive the mounting plate to rotate on the sliding substrate, that is to say, a workpiece located on the mounting seat can be turned over to any side towards the machining tool by 360 degrees, so that the machining tool can cut the workpiece on the surface, and the machining requirement of the workpiece is met.

Further, the cutting knife set comprises at least one knife, the knife is in a disc or cylindrical structure, the bottom surface of the knife is a cutting surface of the knife, and the circumferential surface of the knife is a cutting surface of the knife. In the present utility model, of course, the cutter is rotated at a high speed to effect cutting, which is also a conventional cutter arrangement in cutting tools.

The utility model can cut by the bottom surface of the cutter or by the circumference surface of the cutter when the workpiece is required to be machined and cut into a plane (the cutter moves along a straight line). When a curved surface is required to be machined and cut on a workpiece, the circumferential surface of the cutter can be used for cutting (at the moment, the movement of the cutter is along the curve).

In the present utility model, the rotation driving device may be a rotary electric machine.

In some embodiments of the present utility model, a space exists between the mounting plate and the sliding base plate, and the space can enable the mounting plate to turn 360 degrees around the rotating shaft on the movable base plate. The utility model is provided with the mounting plate which can be turned over at any angle on the sliding base plate, so that the processing of workpieces at different angles is realized.

In some embodiments of the utility model, four mounting seats are regularly arranged on the mounting plate, and the four mounting seats are correspondingly provided with four press-fit assemblies which are in one-to-one correspondence with the mounting seats; the cutting knife group comprises four knives, and the knives are in one-to-one correspondence with the mounting seats. Four mounting seats are arranged on the mounting plate to form a preferable structure of the utility model.

In the utility model, the workpiece comprises a curved top surface, a semicircular ring surface and an annular bottom surface from top to bottom.

In some embodiments of the present utility model, the mounting seat is a groove penetrating through the upper top surface, the lower top surface and one side surface of the mounting plate, the wall surface of the groove is a semicircular structure adapted to the structure of the workpiece, and the bottom of the groove is provided with a rest plate with a semicircular structure. The workpiece is placed on the placing plate, and the circumferential surface of the workpiece is attached to the wall surface of the groove. The mounting seat with the structure is arranged, so that one side surface of the workpiece to be cut into a plane is completely exposed outside the mounting seat, and a cutter can conveniently process the workpiece.

Further, the outer peripheral surface of the placing plate is connected with the wall surface of the groove, and the diameter of the inner peripheral surface of the placing plate is larger than the inner diameter of the annular bottom surface of the workpiece and smaller than the outer diameter of the annular bottom surface of the workpiece. The shelving plate with the structure can support the workpiece and is convenient for the cutter to cut the inner peripheral surface of the annular bottom surface of the workpiece. The semi-annular bottom surface of the workpiece is exposed outside the mounting seat, so that the cutter can conveniently process the inner ring of the semi-annular bottom surface.

The workpiece is placed on the placing plate, and the curved top surface of the workpiece extends out of the mounting seat; the press-fit assembly acts on the curved top surface. The press-fitting assembly is convenient to act on the workpiece, and the workpiece is pressed and fixed on the mounting seat. The tool may also machine the curved top surface.

Specifically, the press-fit assembly is a quick clamp, and a press-fit head of the quick clamp is made of elastic materials. The damage to the workpiece caused by the press-fitting assembly can be avoided. The quick clamp is a common press-fitting tool in the field and can be obtained by direct purchase. The quick clamp acts on the curved top surface of the workpiece.

In some embodiments of the present utility model, the frame includes a first processing frame disposed horizontally, and a second processing frame disposed vertically on the first processing frame, the first processing frame is provided with a horizontal straight track, and the second processing frame is in an inverted U-shaped structure.

The sliding base plate is arranged on the horizontal straight track, and the cutting knife group is arranged on the second processing frame through the plane track group. The sliding base plate moves back and forth along the horizontal straight track, so that the mounting seat can conveniently feed at one end of the track, and the sliding base plate moves to the position where the cutting knife group is located for processing after feeding. Under the drive of the power device, the cutting knife group can move in the vertical plane where the cutting knife group is positioned, and the cutting knife group is matched with the sliding base plate which moves horizontally to realize the processing of each position of the workpiece.

The above embodiments may be arbitrarily combined on the basis of common knowledge in the art.

Drawings

The utility model will be described in further detail below in connection with the drawings and the preferred embodiments, but it will be appreciated by those skilled in the art that these drawings are drawn for the purpose of illustrating the preferred embodiments only and thus should not be taken as limiting the scope of the utility model. Moreover, unless specifically indicated otherwise, the drawings are merely schematic representations, not necessarily to scale, of the compositions or constructions of the described objects and may include exaggerated representations.

FIG. 1 is a schematic diagram of the structure of a processed product;

FIG. 2 is a schematic view of the structure of the mounting base of the present utility model;

FIG. 3 is a schematic view of a sliding substrate according to the present utility model;

FIG. 4 is a schematic diagram of the structure of the present utility model;

FIG. 5 is a side view of a slider of the present utility model;

wherein, the reference numerals specifically explain as follows: 10. a workpiece; 101. a curved top surface; 102. a semicircular ring surface; 103. an annular bottom surface;

11. a frame; 111. a first processing rack; 112. a second processing rack; 12. sliding the substrate; 13. a mounting plate; 14. a mounting base; 141. a rest plate; 142. groove wall surfaces; 15. press-fitting the assembly; 16. a rotating shaft; 17. a rotation driving device; 18. a cutting knife group;

21. a knife rest plate; 22. a connecting plate; 23. a transverse guide rail; 24. a longitudinal guide rail; 25. a slide block; 26. a notch; 261. the bottom surface of the notch; 262. a flat contact surface; 263. a curved contact surface; 264. chamfering the surface; 27. rolling the ball screw rod; 28. a longitudinal ball screw; 29. a horizontal straight track.

Detailed Description

The present utility model will be described in detail with reference to the accompanying drawings.

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Four main shaft digit control machine tool work piece cutting equipment, the embodiment is as shown in fig. 1 to 4: comprises a frame 11 with a cutting knife set 18, a sliding base plate 12 and a mounting plate 13, wherein the sliding base plate 12 is respectively erected on the frame 11, the mounting plate 13 is provided with at least one mounting seat 14, one side of the mounting seat 14 is provided with a press-fit assembly 15 for pressing and fixing a workpiece 10 to be processed on the mounting seat 14,

the mounting plate 13 is connected with the sliding base plate 12 through a rotating shaft 16, the rotating shaft 16 is connected with a rotary driving device 17, and the rotary driving device 17 works to drive the mounting plate 13 to rotate. That is, the workpiece 10 located on the mounting seat 14 can be turned 360 ° to any side facing the processing tool, so that the processing tool can cut the workpiece 10 on the surface, and the processing requirement of the workpiece 10 is met.

The cutting blade set 18 includes at least one blade, the blade is in a disc or cylindrical structure, the bottom surface of the blade is a cutting surface of the blade, and the circumferential surface of the blade is a cutting surface of the blade. In the present utility model, of course, the cutter is rotated at a high speed to effect cutting, which is also a conventional cutter arrangement in cutting tools. The present utility model may be used to cut the bottom surface of a tool or the circumference of a tool (where the movement of the tool is along a straight line) when it is desired to machine a planar surface to be cut into the workpiece 10. When it is desired to cut a curved surface into the workpiece 10, the cutting may be performed using the circumferential surface of the tool (where the movement of the tool is curved).

In the present utility model, the rotation driving device 17 may be a rotary motor.

The space is reserved between the mounting plate 13 and the sliding base plate 12, and the space can enable the mounting plate 13 to turn over on the movable base plate for 360 degrees around the rotating shaft. The utility model is provided with the mounting plate 13 which can be turned over at any angle on the sliding base plate 12, thereby realizing the processing of the workpiece 10 at different angles.

Preferably, four mounting seats 14 are regularly arranged on the mounting plate 13, four press-fit assemblies 15 are correspondingly arranged on the four mounting seats 14, and the press-fit assemblies 15 are in one-to-one correspondence with the mounting seats 14; the cutter set 18 includes four cutters, which are in one-to-one correspondence with the mounting bases 14. The mounting plate 13 is provided with four mounting seats 14, which are the preferred structure of the present utility model.

Embodiment two: as shown in fig. 1, in the present utility model, the workpiece 10 includes, from top to bottom, a curved top surface 101, a semicircular annular surface 102, and an annular bottom surface 103.

As shown in fig. 2 and 3, the mounting seat 14 is a groove penetrating through the upper top surface, the lower top surface and one side surface of the mounting plate 13, the wall surface 142 of the groove is in a semicircular structure adapted to the structure of the workpiece 10, and a rest plate 141 in a semicircular ring structure is arranged at the bottom of the groove. The work 10 is placed on the rest plate 141, and the circumferential surface of the work 10 is fitted with the groove wall surface 142. The utility model is provided with the mounting seat 14 with the structure, so that one side surface of the workpiece 10 which needs to be cut into a plane is completely exposed outside the mounting seat 14, and a cutter is convenient to process the workpiece.

Further, the outer peripheral surface of the rest plate 141 is connected with the groove wall surface 142, and the diameter of the inner peripheral surface of the rest plate 141 is larger than the inner diameter of the annular bottom surface 103 of the workpiece 10 and smaller than the outer diameter of the annular bottom surface 103 of the workpiece 10. The rest plate 141 with the structure can support the workpiece 10 and is convenient for the cutter to cut the inner peripheral surface of the annular bottom surface 103 of the workpiece 10. The semi-annular bottom surface 103 of the workpiece 10 is exposed outside the mounting seat 14, so that the inner ring of the semi-annular bottom surface 103 is conveniently machined by a cutter.

The workpiece 10 is placed on the placing plate 141, and then the curved top surface 101 of the workpiece 10 protrudes out of the mounting seat 14; the press-fit assembly 15 acts on the curved top surface 101. The press-fit assembly 15 is conveniently applied to the workpiece 10 to press-fix the workpiece 10 to the mounting block 14. The tool may also machine the curved top surface 101.

Specifically, the press-fitting assembly 15 is a quick clamp, and a press-fitting head of the quick clamp is made of an elastic material. Damage to the work 10 by the press-fit assembly 15 can be avoided. The quick clamp is a common press-fitting tool in the field and can be obtained by direct purchase. The quick clamp acts on the curved top surface 101 of the workpiece 10.

The other contents of the second embodiment are the same as those of the first embodiment.

In the third embodiment, as shown in fig. 4 and 5, the frame 11 includes a first processing frame 111 disposed horizontally and a second processing frame 112 vertically mounted on the first processing frame 111, the first processing frame 111 is provided with a horizontal straight track 29, and the second processing frame 112 is of an inverted U-shaped structure.

The sliding base plate 12 is mounted on a horizontal straight track 29, and the cutting blade set 18 is mounted on a second processing frame 112 through a planar track set. The sliding base plate 12 moves back and forth along the horizontal straight track 29, so that the mounting seat 14 can conveniently feed at one end of the track, and the sliding base plate 12 moves to the position where the cutting knife group 18 is located for processing after feeding. The cutting knife group 18 can move in the vertical plane where the cutting knife group is positioned under the drive of the power device, and the cutting knife group is matched with the sliding base plate 12 which moves horizontally to realize the processing of all positions of the workpiece 10.

The cutting knife group 18 pass through the plane track group and install on frame 11, the plane track group include rack plate 21 and connecting plate 22, frame 11 on install two horizontal guide rails 23 that the level set up, rack plate 21 on install two vertical guide rails 24 that vertically set up, connecting plate 22 on correspond a horizontal guide rail 23, vertical guide rail 24 and all be provided with the slider 25 that two at least cooperations are connected, cutting knife group 18 install on rack plate 21, rack plate 21 passes through vertical guide rail 24, slider 25 installs in connecting plate 22, connecting plate 22 passes through slider 25, horizontal guide rail 23 installs in frame 11. The two points define a straight line, so that under the action of the at least two slides 25 it is ensured that the movement of the carriage plate 21 is along the predetermined longitudinal rail 24. Secondly, the tool rest plate 21 is provided with two vertical guide rails 24 which are vertically arranged, namely, the two parallel vertical guide rails 24 limit the moving track of the tool rest plate 21, and compared with a common single guide rail, the tool rest plate has better stability. By matching with the arrangement of the sliding blocks 25, the utility model can ensure the stability of the movement of the cutting knife group 18 in the vertical direction and improve the processing precision. Similarly, at least two sliding blocks 25 are arranged corresponding to one transverse guide rail 23, and the stability of the cutting knife group 18 moving horizontally and transversely is ensured by matching with the arrangement of the two transverse guide rails 23, so that the machining precision is improved.

The two side wall surfaces of the sliding block 25, which are in contact with the transverse guide rail 23 or the longitudinal guide rail 24, are curved surfaces protruding outwards, so that the friction resistance of the sliding block 25 moving on the transverse guide rail 23 and the longitudinal guide rail 24 is effectively reduced, the sliding block 25 moves smoothly relative to the transverse guide rail 23 or the longitudinal guide rail 24, and unnecessary shaking is avoided. The utility model further optimizes the transmission device of the cutter, so that the movement of the cutter is stable and controllable, and the machining precision of the cutter on products is further improved.

The other contents of the third embodiment are the same as those of the first or second embodiments.

Embodiment four: as shown in fig. 5, the slide block 25 is provided with a notch 26 connected with the transverse guide rail 23 or the longitudinal guide rail 24, and the bottom surface 261 of the notch 26 is a plane and is matched with the top surfaces of the transverse guide rail 23 and the longitudinal guide rail 24. Namely, the top surfaces of the transverse rail 23 and the longitudinal rail 24 in the present utility model are flat surfaces.

The sidewall surface of the notch 26 includes a flat contact surface 262 and an outwardly convex curved contact surface 263, the curved contact surface 263 being disposed adjacent to the open end of the notch 26, the flat contact surface 262 being disposed adjacent to the bottom surface 261 of the notch 26. In the present utility model, the curved contact surface 263 forms the main contact surface where the notch 26 contacts the cross rail 23 or the vertical rail 24, and plays a role of reducing friction resistance and avoiding shake. The flat contact surface 262 plays a limiting role, and the connection deviation of the sliding block 25 and the transverse guide rail 23 or the longitudinal guide rail 24 is avoided.

A chamfer surface 264 is arranged between the flat contact surface 262 and the bottom surface 261 of the notch 26, and the chamfer surface 264 is a curved surface. The addition of the chamfer 264 can avoid a stiff fold between the bottom 261 of the notch 26 and the flat contact 262 of the notch 26, which can easily cause sliding jamming. The utility model adopts the chamfer surface 264 to connect and transition the flat contact surface 262 and the bottom surface 261 of the notch 26, thereby increasing the smoothness of the movement of the slide block 25.

The plane track group comprises a horizontal rolling ball screw 27 and a vertical longitudinal ball screw 28, wherein the horizontal rolling ball screw 27 is arranged in the middle of the two transverse guide rails 23 and is arranged on the frame 11, the horizontal rolling ball screw 27 and the two transverse guide rails 23 are arranged in parallel, the longitudinal ball screw 28 is arranged in the middle of the two longitudinal guide rails 24 and is arranged on the connecting plate 22, and the longitudinal ball screw 28 and the two longitudinal guide rails 24 are arranged in parallel.

At least two transverse sliding blocks 25 are arranged on the back surface of the connecting plate 22 corresponding to one transverse guide rail 23, and at least two longitudinal sliding blocks 25 are arranged on the front surface of the connecting plate 22 corresponding to one longitudinal guide rail 24. Preferably, two transverse sliding blocks 25 are arranged at intervals corresponding to one transverse guide rail 23 on the back surface of the connecting plate 22, and two longitudinal sliding blocks 25 are arranged at intervals corresponding to one longitudinal guide rail 24 on the front surface of the connecting plate 22.

The transverse nut support on the transverse ball screw 27 is connected with the connecting plate 22, the transverse ball screw 27 works to drive the connecting plate 22 to horizontally and transversely move, and the transverse nut support is positioned in the middle of the four transverse sliding blocks 25. Preferably, four cross slides 25 form a rectangle.

According to the utility model, the frame 11 and the connecting plate 22 are connected through the five connecting points which are regularly arranged, so that the movement of the connecting plate 22 is completely in a preset movement track, the shaking and the shaking of the connecting plate 22 are avoided, the movement precision of the connecting plate 22 is improved, and the processing precision of the cutting knife group 18 is further improved.

Likewise, the longitudinal nut support on the longitudinal ball screw 28 is connected to the tool carrier plate 21. Because of the limitation of the whole structure volume, the vertical nut support is arranged at the middle of the four vertical sliding blocks 25 to greatly heighten the height of the whole machine tool, so the vertical nut support is arranged on the central axis of the vertical guide rail 24.

Four lateral sliding blocks 25 are arranged at the lower part of the connecting plate 22, and four longitudinal sliding blocks 25 fixed on the connecting plate 22 are arranged close to the lateral guide rail 23. The gravity center at the connecting plate 22 is moved downwards, so that the structure of the connecting plate 22 is prevented from being heavy and light.

The other matters of the fourth embodiment are the same as those of any of the above embodiments.

The foregoing has outlined rather broadly the more detailed description of the utility model in order that the detailed description of the utility model that follows may be better understood, and in order that the present utility model may be better understood. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims (10)

1. The four-spindle numerical control machine tool workpiece cutting equipment is characterized by comprising a frame with a cutting knife set, a sliding substrate and a mounting plate, wherein the sliding substrate is respectively erected on the frame, at least one mounting seat is arranged on the mounting plate, one side of the mounting seat is provided with a press-fit assembly used for pressing a workpiece to be processed on the mounting seat, the mounting plate is connected with the sliding substrate through a rotating shaft, the rotating shaft is connected with a rotary driving device, and the rotary driving device works to drive the mounting plate to rotate.

2. The workpiece cutting device of the four-spindle numerical control machine tool according to claim 1, wherein the cutting knife group comprises at least one knife, the knife is in a disc or cylindrical structure, the bottom surface of the knife is a cutting surface of the knife, and the circumferential surface of the knife is a cutting surface of the knife.

3. The workpiece cutting device of the four-spindle numerical control machine tool according to claim 1, wherein a space exists between the mounting plate and the sliding base plate, and the space can enable the mounting plate to turn over on the movable base plate by 360 degrees around the rotating shaft.

4. The workpiece cutting equipment for the four-spindle numerical control machine tool according to claim 1, wherein four mounting seats are regularly arranged on the mounting plate, four press-fit assemblies are correspondingly arranged on the four mounting seats, and the press-fit assemblies are in one-to-one correspondence with the mounting seats; the cutting knife group comprises four knives, and the knives are in one-to-one correspondence with the mounting seats.

5. The workpiece cutting device of the four-spindle numerical control machine tool according to claim 1, wherein the mounting seat is a groove penetrating through the upper top surface, the lower top surface and one side surface of the mounting plate, the wall surface of the groove is of a semicircular structure which is matched with the structure of the workpiece, and a rest plate of a semicircular structure is arranged at the bottom of the groove.

6. The workpiece cutting device of the four-spindle numerical control machine tool according to claim 5, wherein the outer peripheral surface of the rest plate is connected with the wall surface of the groove, and the diameter of the inner peripheral surface of the rest plate is larger than the inner diameter of the annular bottom surface of the workpiece and smaller than the outer diameter of the annular bottom surface of the workpiece.

7. The four-spindle numerical control machine tool workpiece cutting device according to claim 5, wherein the workpiece is placed on the rest plate, and the curved top surface of the workpiece protrudes out of the mounting seat; the press-fit assembly acts on the curved top surface.

8. The four-spindle numerical control machine tool workpiece cutting equipment according to claim 1, wherein the press-fit assembly is a quick clamp, and a press-fit head of the quick clamp is made of an elastic material; the quick clamp acts on the curved top surface of the workpiece.

9. The four-spindle numerical control machine tool workpiece cutting equipment according to claim 1, wherein the frame comprises a first machining frame which is horizontally arranged and a second machining frame which is vertically arranged on the first machining frame, the first machining frame is provided with a horizontal straight track, and the second machining frame is of an inverted U-shaped structure.

10. The workpiece cutting device of the four-spindle numerical control machine tool according to claim 9, wherein the sliding base plate is mounted on a horizontal straight track, and the cutting knife group is mounted on the second processing frame through a plane track group.