CN118003132A - Automatic tool changing module and engraving and milling machine applying same - Google Patents
Automatic tool changing module and engraving and milling machine applying same Download PDFInfo
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- CN118003132A CN118003132A CN202410422965.3A CN202410422965A CN118003132A CN 118003132 A CN118003132 A CN 118003132A CN 202410422965 A CN202410422965 A CN 202410422965A CN 118003132 A CN118003132 A CN 118003132A
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- 230000008569 process Effects 0.000 description 15
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- 238000007599 discharging Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
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- Automatic Tool Replacement In Machine Tools (AREA)
Abstract
The invention relates to the field of machine tool equipment, and provides an automatic tool changing module and an engraving and milling machine applying the same, comprising: 匚 type housing provided with 匚 type accommodating chamber; the control unit is arranged on the 匚 type shell; a chain shuttle device designed in an L-shape and disposed within the 匚 -type housing; the double-rod sliding rail is vertically arranged at one side of the edge of the chain type shuttle device and is positioned in the cutter outlet channel; the moving table is arranged on the transmission screw rod of the double-rod sliding rail; the double-straight-edge rotating disc is rotatably arranged on the mobile station; the electric push rod is vertically and fixedly arranged on the circle center of the double-straight-edge rotating disc based on the circle center of the telescopic rod. According to the invention, the tool rest and the corresponding tool changing device are all packaged into the holding chamber in the 匚 type shell, two fixing areas are allocated, the tool changing operation is completed in a small space by the tool taking and changing device arranged in the tool outlet channel, and the simplified design enables the automatic tool changing mechanism to be convenient to disassemble and assemble and realizes that the automatic tool changing mechanism is independently used in a modularized mode.
Description
Technical Field
The invention relates to the field of machine tool equipment, in particular to an automatic tool changing module and an engraving and milling machine applying the same.
Background
The tool magazine is a common name of an automatic tool changing mechanism, in particular to an automatic tool changing mechanism which provides the requirements of tool storage and tool changing in the automatic processing process, and a storage structure capable of storing a plurality of tools is attached to the mechanism, so that the traditional man-made production mode is changed, and a disc tool magazine, an in-line tool magazine, an umbrella-shaped tool magazine, a chain tool magazine and the like are generally available in the market.
The automatic tool changing mechanism is arranged, so that the manual tool changing process is omitted when the engraving and milling machine is used for machining, the machining time and the tool changing program are shortened, the existing automatic tool changing mechanism is customized and is integrally arranged with the engraving and milling machine, the automatic tool changing mechanism cannot independently exist, and in the using process of the equipment, if the automatic tool changing mechanism needs to be increased in tool holding quantity, the automatic tool changing mechanism needs to be comprehensively updated and reformed, and the reforming process is very troublesome, and the original automatic tool changing mechanism needs to be comprehensively dismantled and new automatic tool changing mechanisms are newly arranged; meanwhile, in the process of updating and iterating the engraving and milling machine, the automatic tool changing mechanism can be replaced together with the old equipment, the whole automatic tool changing mechanism cannot be independently stripped from the old equipment and installed on the new equipment, part of accessory resources which can be directly utilized are wasted, and the automatic tool changing mechanism does not exist independently, so that some old processing equipment which is still used is difficult to configure the corresponding automatic tool changing mechanism.
In summary, the existing automatic tool changing mechanism system has the problems that the existing automatic tool changing mechanism system cannot be separately arranged in use, so that new equipment is high in cost and equipment is difficult to reform.
Disclosure of Invention
The invention aims to solve at least one of the problems in the prior art, and therefore, the invention provides an automatic tool changing module and an engraving and milling machine applying the same.
To achieve the above object, the present invention provides an automatic tool changing module including: 匚 type shell, which is internally provided with 匚 type containing chamber, wherein the containing chamber is divided into an L-type storage bin and a knife outlet channel; the control unit is arranged on the 匚 type shell; a chain shuttle device which is designed in an L shape and is arranged in an L-shaped storage bin of the 匚 -shaped shell; knife rests are uniformly arranged on the transmission part of the chain type shuttle device at intervals; the double-rod sliding rail is vertically arranged at one side of the edge of the chain type shuttle device and is positioned in the cutter outlet channel; the moving table is arranged on the transmission screw rod of the double-rod sliding rail; the double-straight-edge rotating disc is disc-shaped and is symmetrically provided with two straight edges, and the double-straight-edge rotating disc is rotatably arranged on the moving table; the electric push rod is vertically and fixedly arranged on the circle center position of the double-straight-edge rotating disc on the basis of the circle center of the telescopic rod; the mounting plate is mounted on the electric push rod telescopic rod; the cutter claws are symmetrically arranged on the mounting plate; the guide limiting plates are symmetrically arranged on the inner side walls of the double-rod sliding rail, a gap is reserved between the two guide limiting plates, and the straight edges of the double-straight-edge rotating disc are in sliding contact with the guide limiting plates; the gear ring is coaxially arranged on the double-straight-edge rotating disc; the driving piece is arranged on the moving table, and the output end of the driving piece is provided with a gear meshed with the gear ring.
As a further improvement, the two-rod sliding rail is symmetrically provided with a shielding plate, and the width of the shielding plate is at least flush with the position of the two-rod sliding rail transmission screw rod.
As a further improvement, the width of the cutter outlet channel in the 匚 -type shell is not lower than the length of the actual occupied space after the mounting plate and the cutter claw are integrally mounted, and the cutter is required to be clamped by the cutter claw, so that the rotation is not hindered by the inner walls at the two sides of the cutter outlet channel.
As a further improvement, the method further comprises: the rotary joint is additionally arranged between the electric push rod telescopic rod and the connecting part of the mounting plate; the supporting support plate is connected to the rotating part of the rotary joint and is contacted with the mounting plate; and one end of the telescopic supporting rod is arranged at two sides of the bottom of the supporting plate, and the other end of the telescopic supporting rod is connected with the mobile station.
As a further improvement, the method further comprises: the fixed base plate is connected with the sliding plate in a sliding way, and the sliding plate is installed on the 匚 type shell through a connecting piece; the triangular support frame is slidably arranged at the bottom of the 匚 type shell; or the fixed base plate and the sliding plate are replaced by linear driving equipment, and the 匚 type shell is connected with a movable part of the linear driving equipment.
As a further improvement, the method further comprises: single-side helical teeth are arranged on the sliding plate; a groove opening is formed in one end, close to the sliding outlet of the sliding plate, of the fixed base plate; the stop block is slidably arranged in the groove opening to enable the bottom of the stop block to prop against the unilateral helical teeth, and inverted helical teeth with opposite directions relative to the unilateral helical teeth are arranged at the bottom of the stop block.
As a further improvement, the method further comprises: the guide groove plates are symmetrically arranged at two sides of the opening of the knife outlet passage of the 匚 type shell; the drivers are connected to the tops of the guide groove plates at two sides together; the lifting screw rod is arranged at the power output ends at two sides of the driver; the folding plate is arranged in the groove of the guide groove plate, the upper part of the folding plate is fixed on the upper part of the guide groove plate, and the bottom of the folding plate is connected with the lifting screw rod.
An engraving and milling machine, comprising: the automatic tool changing device comprises an engraving machine, a spindle system and the automatic tool changing module, wherein the casing of 匚 is arranged on the side wall of the spindle system.
The invention has at least the following effects:
1. According to the invention, the knife rest and the corresponding knife changing device are all packaged into the accommodating chamber in the 匚 -shaped shell, the L-shaped storage bin and the two fixed areas of the knife outlet channel are distributed, the chain type shuttle device in the L-shaped storage bin is used for completing the knife rotation, meanwhile, the knife changing operation is completed in a small space by matching with the knife clamping and changing device arranged in the knife outlet channel, the knife changing operation is simple and stable, the design structure is simple and effective, the simplified design ensures that the automatic knife changing mechanism is convenient to disassemble and assemble, the knife storing capacity is increased, the automatic knife changing mechanism is independently used in a modularized mode, and the automatic knife changing mechanism can be quickly and conveniently installed on a main shaft system of the engraving and milling machine.
2. The supporting plate arranged on the mobile station can play a more stable supporting role on the mounting plate which is supported only by the electric push rod, and the condition that the mounting plate is inclined in the reciprocating use process can be effectively avoided.
3. According to the invention, the 匚 type shell can freely slide after being mounted on the engraving and milling machine through the sliding plate and the triangular support frame, so that the automatic tool changing module can be conveniently maintained in a sufficient space under the condition of not affecting the engraving and milling machine.
4. According to the invention, the folding plate arranged at the opening of the cutter outlet channel can effectively prevent cutting water vapor and metal scraps generated in the processing process of the engraving and milling machine from entering the 匚 type shell, so that the damage caused by the invasion of impurities into the internal equipment is avoided, and the cleaning process of the internal equipment of the cutter outlet channel can be avoided.
Drawings
Fig. 1 is a schematic view of an automatic tool changing module according to the present invention.
Fig. 2 is a schematic view of the layout of the knife out channel and L-shaped storage bin presented in another view of fig. 1 according to the present invention.
Fig. 3 is a schematic illustration of the present invention with the 匚 -type housing removed.
Fig. 4 is a schematic view showing the detailed structure of the components mounted on the dual-rod sliding rail according to the present invention.
Fig. 5 is a schematic exploded view of the components shown in fig. 4 according to the present invention.
FIG. 6 is a schematic view of a stationary base plate and a skateboard of the present invention.
Fig. 7 is a schematic view of a guide channel plate, driver, lead screw and folding plate of the present invention.
Fig. 8 is a schematic view of the automatic tool changing module of the present invention mounted on a cnc machine.
Fig. 9 is a schematic diagram of another view of fig. 8 according to the present invention.
Fig. 10 is a schematic view of the double-sided rotatable disk of the present invention in a first rotated state.
Fig. 11 is a schematic view of the double-straight-edge rotary disk of the present invention in a second state of rotation.
Fig. 12 is a schematic view of the dual-sided rotatable disk of the present invention in an initial third state.
Wherein, the correspondence between the reference numerals and the names of all the components in the drawings is:
1.匚 parts of shell, 2 parts of control unit, 3 parts of chain shuttle device, 4 parts of knife rest, 40 parts of knife, 5 parts of double-rod sliding rail, 6 parts of moving table, 7 parts of double-straight-edge rotating disc, 8 parts of electric push rod, 9 parts of mounting plate, 10 parts of knife claw, 11 parts of guiding limiting plate, 12 parts of gear ring, 13 parts of driving piece, 50 parts of knife outlet channel, 60 parts of L-shaped storage bin;
14. the rotary joint 15, the supporting pallet 16 and the telescopic supporting rod;
17. a fixed base plate, 18, a slide plate;
181. The device comprises single-side helical teeth 182, groove openings 183, stop blocks 184, connecting pieces 185 and triangular supports;
19. a guide groove plate 20, a driver 21, a lifting screw rod 22 and a folding plate;
23. the machine tool comprises an engraving machine tool 231, a spindle system 232, a lifting part 233 and a rotating spindle.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present application are shown in the drawings. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically connected, electrically connected or can be communicated with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
Fig. 1 to 7 are schematic structural views of an automatic tool changing module according to the present invention, fig. 8 and 9 are schematic structural views of an automatic tool changing module according to the present invention mounted on a cnc engraving and milling machine, and fig. 10 to 12 are schematic views of a rotating state of a double-sided rotating disc 7.
The invention specifically discloses an automatic tool changing module, as shown in fig. 1 and 2, comprising: the inner part of the 匚 type shell 1 provided with the 匚 type accommodating chamber, the accommodating chamber in the 匚 type shell 1 is divided into an L-type storage bin 60 and a cutter discharging channel 50, the L-type storage bin 60 is mainly used for storing cutters 40, the cutter discharging channel 50 is mainly used for installing facilities for taking the cutters 40 out of the L-type storage bin 60, the cutters 40 are sent out from the L-type storage bin 60 through the cutter discharging channel 50, a control unit 2 is fixedly arranged at the top of the outer part of the 匚 type shell 1, the control unit 2 comprises a micro-processing system, a hardware dispatching system, a communication interface and a necessary production system, and the functions are that the cutter warehouse management system originally arranged on the engraving and milling machine is independently packaged and then arranged in the control unit 2, so that the control unit 2 and the built-in system of the engraving and milling machine can be connected together through a data line to achieve the effect of mutual matching when in use, and meanwhile, the control unit 2 also manages all electric driving devices in the automatic cutter changing module;
as shown in fig. 3, a chain type shuttle device 3 is installed in an L-shaped storage bin 60 in a 匚 -shaped shell 1, the chain type shuttle device 3 is designed to be in an L shape and can be matched with the shape of the L-shaped storage bin 60, the chain type shuttle device 3 mainly comprises a worm gear reduction box, a link limiting shell, a transmission chain and a driving wheel, the worm gear reduction box provides power to support the driving wheel to rotate, and then the transmission chain installed in the link limiting shell is driven to run; the tool rest 4 is uniformly and fixedly arranged on the transmission chain of the chain type shuttle device 3 at intervals, the tool rest 4 is cylindrical, the required tools 40 can be directly placed in the tool rest 4, the installation number of the tool rest 4 can be greatly improved by adopting a chain type structure as a carrier for running the tool rest 4, and the number of the tool rest 4 shown in the embodiment is not less than forty;
As shown in fig. 3-5, the double-rod sliding rail 5 is fixedly installed in the cutter outlet channel 50 in a manner of being perpendicular to one side of the edge of the chain type shuttle device 3, the double-rod sliding rail 5 is provided with two transmission screw rods, the two transmission screw rods are connected with the moving table 6 together, the moving table 6 is rotationally provided with a double-straight-edge rotating disc 7, the double-straight-edge rotating disc 7 is disc-shaped, two straight edges are symmetrically arranged at the edge of the disc, the double-straight-edge rotating disc 7 is fixedly provided with an electric push rod 8, the electric push rod 8 is vertically and fixedly installed on the center position of the double-straight-edge rotating disc 7 on the basis of the center of a self telescopic rod, so that the electric push rod 8 can rotate along with the center of the double-straight-edge rotating disc 7, a telescopic rod is fixedly connected with a mounting plate 9 on the telescopic rod of the electric push rod 8, the mounting plate 9 is symmetrically and fixedly connected with cutter claws 10, the claw parts on two sides of the cutter claws 10 are of a movable structure, and the claw parts keep an elastic tensioning effect through springs, so that the cutter claws 10 can not easily slide off when the cutter 40 is clamped, the telescopic rod of the electric push rod 8 is completely retracted, the height of the cutter claws 10 is the lowest, and the cutter claws 10 can be placed in the position with the telescopic rod 4 and the telescopic rod is positioned in the position of the telescopic rod 4, and the cutter carrier 4 can be directly moved along the linear guide groove 4 to the cutter carrier 4 to be moved along the cutter carrier 4, and the cutter carrier 4 and then the cutter fork 4 is moved along the cutter carrier 4 and can be moved along the same direction to move along the linear direction 4, and the cutter carrier 4 and move along the cutter carrier 4 and the cutter guide 4 and is moved along the cutter carrier 4 and is moved along the side and so as 4;
The specific procedure for changing the tool 40, according to fig. 4 and 8, should be: firstly, under the condition that no cutter 40 exists on the mounting plate 9, the mounting plate 9 moves leftwards and is close to one side of the cutter rest 4, the cutter claw 10 is clamped into a cutter 40 clamping groove on the cutter rest 4, after the cutter claw 10 clamps the cutter 40, the cutter 40 on the cutter rest 4 is lifted by the electric push rod 8, the moving table 6 moves rightwards along the cutter outlet channel 50 until the cutter claw 10 on the right side of the mounting plate 9 moves to the tail end position, the cutter claw 10 on the right side of the mounting plate 9 can be directly clamped into the cutter 40 clamping groove on the rotating main shaft 233 of the engraving and milling machine, then the rotating main shaft 233 and the cutter 40 are separated, at the moment, the mounting plate 9 can be rotated for one hundred eighty degrees to change the cutter 40 to the left side to the right side, the cutter 40 to be replaced can be completely butted by the main shaft, after the cutter replacement is completed, the moving table 6 moves leftwards, the replaced cutter 40 is placed into the cutter rest 4, and the next cutter replacement action is waited;
As shown in fig. 4 and 5, since the mounting plate 9 rotates by means of the double-straight-edge rotating disc 7, in order to avoid the problem that the mounting plate 9 cannot align with the clamping groove of the cutter 40 due to the occurrence of angular offset in the process of moving back and forth along with the moving table 6, for this purpose, guide limiting plates 11 are symmetrically arranged on the inner side walls of the double-rod sliding rail 5, two guide limiting plates 11 are arranged, a gap is reserved between the two guide limiting plates 11, the straight edge of the double-straight-edge rotating disc 7 is in sliding contact with the guide limiting plates 11 in the process of moving back and forth along with the moving table 6, as shown in fig. 10-12, the double-straight-edge rotating disc 7 is in contact with the guide limiting plates 11 through the straight edge thereof, and thus, the problem that the double-straight-edge rotating disc 7 rotates automatically in the moving process is avoided, but as the cutter 40 is replaced, according to the embodiment shown in fig. 11 and 12, the gap existing between the two guide limiting plates 11 is a moving space for the double-straight-edge rotating disc 7 to rotate, and the double-edge rotating disc 7 can be adjusted to the rotating direction through the moving table 6 whenever the mounting plate 9 needs to rotate; in this embodiment, the guide limiting plates 11 are only installed on one side of the dual-rod sliding rail 5, or may be installed on both sides of the dual-rod sliding rail 5, but the guide limiting plates 11 are installed on both sides, so that the gaps left by the guide limiting plates 11 on both sides are on the same straight line, and the positions cannot be staggered; it should be noted that, since the mounting plate 9 carries the cutter claw 10 and the cutter 40 to complete the rotation action in the cutter outlet channel 50, the width of the cutter outlet channel 50 in the 匚 -type housing 1 needs to be set to be not lower than the actual occupied space length after the mounting plate 9 and the cutter claw 10 are integrally mounted, so that enough space can be reserved for the mounting plate 9 to rotate, and the set width needs to prevent the cutter outlet channel 50 from colliding with the inner side wall of the cutter outlet channel 50 in the process of rotating after the cutter 40 exists on the mounting plate 9, so that smooth cutter changing process can be ensured;
The rotation mode of the mounting plate 9 is realized by adopting a gear ring 12, the gear ring 12 is coaxially arranged on the double-straight-edge rotating disc 7, a device for driving the gear ring 12 to rotate is a driving piece 13 fixedly arranged on the moving table 6, the driving piece 13 is a miniature servo motor, the miniature servo motor is connected with a gear through a key, and the gear ring 12 can drive the gear ring 12 to rotate through the driving piece 13 after being meshed; wherein in order to protect the transmission lead screw on the double-rod slide rail 5, avoid the transmission lead screw to be infected with impurity and lead to the transmission card to stop and avoid leading to the card that the adhesion solid particle appears on the restriction piece lateral wall to stop, for this reason still set up the shielding plate (not shown) on the double-rod slide rail 5 symmetry fixedly, leave the clearance equally between the shielding plate of both sides, and this clearance is used for holding the part on the movable plate and can normally remove, but the width of shielding plate also should not be too narrow, consequently the width of shielding plate need at least with the double-rod slide rail 5 transmission lead screw locate flush, just so can avoid impurity direct drop on transmission lead screw and guide restriction board 11.
There is now provided an engraving and milling machine employing the above-described automatic tool changing module, as shown in fig. 8 and 9, wherein the engraving and milling machine includes: the overall appearance of the automatic tool changing module is 匚 -shaped, so that installation can be completed by erecting a 匚 type shell 1 on the side wall of the main shaft system 231, a connecting mode can be fixedly installed through bolts, after the completion of the fixing, a control unit 2 on the automatic tool changing module and the control system of the automatic tool changing module 23 are connected together through connecting wires, the opening of a tool outlet channel 50 of the 匚 type shell 1 needs to face the direction of a lifting part 232 of the main shaft system 231, and a rotating main shaft 233 needs to be moved to the position of the opening of the tool outlet channel 50, so that the rotating main shaft 233 can be close to a tool handle of a tool 40 and butt joint can be completed, and if the rotating main shaft 233 cannot be close to the opening of the tool outlet channel 50, the tool outlet channel 50 needs to be prolonged; according to the processing environment requirement, the 匚 type shell 1 can be connected to the cnc engraving and milling machine 23 in a sliding way, so that the position of the automatic tool changing module can be adjusted, and the maintenance can be convenient; the automatic tool changing module installed in the mode is extremely convenient to use, does not occupy a large space, can be directly installed on the main shaft system 231 of the engraving and milling machine, and can be directly installed on new equipment even after the engraving and milling machine is replaced due to the fact that the automatic tool changing module exists independently.
In a preferred embodiment, as shown in fig. 4 and 5, since the mounting plate 9 and the cutter claw 10 disposed thereon are supported by the electric push rod 8 only, and the reverse thrust of the cutter claw 10 during the process of pushing and clamping the cutter 40 to the clamping groove acts directly on the electric push rod 8, in order to avoid the condition that the electric push rod 8 tilts under such acting force, the mounting plate 9 tilts, and for this reason, a protection device needs to be added on the mobile station 6, which mainly comprises: the rotary joint 14 is additionally arranged between the connecting part of the telescopic rod of the electric push rod 8 and the mounting plate 9, the rotary joint 14 is of a two-section hollow pipe structure, the two sections of hollow pipes are connected together in a mutually rotating way, one section of inner pipe wall is fixedly connected with the end part of the telescopic rod of the electric push rod 8, the outer ring is fixedly connected with the mounting plate 9, the other section of the rotary joint 14 can be fixedly connected with a supporting support plate 15, the electric push rod 8 passes through the middle of the supporting support plate 15, the supporting support plate 15 and the mounting plate 9 are tightly adhered together, but can rotationally slide with each other, a telescopic support rod 16 is arranged between the supporting support plate 15 and the moving table 6, the telescopic support rods 16 are distributed on two sides of the supporting support plate 15, one end of each telescopic support rod 16 is fixedly connected with the bottom of the supporting support plate 15, and the other end of each telescopic support rod 16 is fixedly connected with the moving table 6; when the cutter claw 10 is directly clamped into the clamping groove of the cutter 40 in the following movement process, at the moment, as the supporting plate 15 is positioned at the bottom of the mounting plate 9, partial reverse thrust acts on the supporting plate 15, in this way, the electric push rod 8 can be reduced to be subjected to reverse thrust, and the situation that the mounting plate 9 is inclined is avoided; it should be noted that, since the supporting plate 15 moves up and down along with the mounting plate 9, although the telescopic supporting rod 16 can play a supporting role, the telescopic supporting rod 16 has a supporting role after rising along with the supporting plate 15, but the supporting effect is obviously not as good as that after the telescopic supporting rod 16 is completely contracted, so that the telescopic supporting rod 16 needs to be kept in a completely retracted state no matter when the cutter claw 10 is translationally clamped into the clamping groove of the cutter 40 or is separated from the clamping groove.
In a certain preferred embodiment, as shown in fig. 1 and 6, in order to facilitate the automatic tool changing module to better complete maintenance work and avoid interference of the engraving and milling machine, the 匚 type shell 1 can be changed from a state of being originally fixedly connected to the engraving and milling machine to a sliding connection capable of sliding on the engraving and milling machine, and mainly comprises: the fixed baseplate 17, the fixed baseplate 17 is slidably connected with the slide plate 18, the fixed baseplate 17 is connected with the side wall of the engraving and milling machine, the 匚 type shell 1 is connected with the slide plate 18 through the connecting piece 184, which is equivalent to mounting the 匚 type shell 1 on the engraving and milling machine in a sliding connection mode, the bottom of the 匚 type shell 1 is slidably connected with the triangular support frame 185, and the side wall of the triangular support frame 185 is fixedly connected with the engraving and milling machine; the arrangement has the advantages that the maintenance work of the automatic tool changing module on the engraving and milling machine can be completed better, and the situation that the installation space for accommodating the automatic tool changing module of part of engraving and milling machines is insufficient can be avoided by the sliding arrangement mode, so that the tool outlet channel 50 can be pushed to a position close to the rotating main shaft 233 directly when the tool is required to be changed; the sliding connection mode can be replaced by installing linear driving equipment on the 匚 type shell 1, the linear driving equipment can select heavy-duty linear guide rails, particularly the 匚 type shell 1 is connected with a movable part of the linear driving equipment, and a driving part of the linear driving equipment is installed on the engraving and milling machine, and the control unit 2 is used for realizing the effect of more automation.
In a preferred embodiment, as shown in fig. 1 and 6, when the 匚 type shell 1 is slidably mounted by adopting a mode of matching the fixed base plate 17 and the sliding plate 18, in order to avoid that the sliding plate 18 is not limited and further the 匚 type shell 1 slides randomly, a single-side helical tooth 181 is fixedly arranged on the sliding plate 18, a groove opening 182 which directly leads to the single-side helical tooth 181 is formed at one end of the fixed base plate 17 close to a sliding outlet of the sliding plate 18, a stop block 183 is slidably connected in the groove opening 182, a pawl tooth opposite to the single-side helical tooth 181 in direction is arranged at the bottom of the stop block 183, and when the stop block 183 abuts against the single-side helical tooth 181, the pawl tooth at the bottom of the stop block 183 is clamped between the teeth of the single-side helical tooth 181, and according to fig. 6, when the sliding plate 18 is pushed leftwards, the inclined surfaces between the pawl tooth and the single-side helical tooth 181 are contacted, and the stop block 183 slides upwards spontaneously, and the sliding plate 18 can slide leftwards; however, when the sliding plate 18 needs to be pulled rightwards, the vertical surfaces between the inverted helical teeth and the single-side helical teeth 181 are mutually contacted and mutually propped to be blocked, so that the sliding plate 18 cannot be pulled out, and at the moment, the sliding plate 18 can be slid only after the stop block 183 is lifted, thereby ensuring that the sliding plate 18 can be limited; if the sliding plate 18 is limited to slide back and forth, the single-side helical teeth 181 and the inverted helical teeth may be set to be straight teeth, and the straight teeth at the two positions are engaged with each other, so that the sliding plate 18 can slide after the pulling-out stop block 183 is moved left and right; a spring may be commonly connected between the stopper 183 and the fixed base plate 17, and the stopper 183 is held by the spring so as to always abut against the single-sided helical teeth 181.
In a preferred embodiment, as shown in fig. 2,3 and 7, in order to avoid the problems of cleaning difficulty and erosion equipment caused by splashing of machining water stain and metal scraps into the tool outlet channel 50 generated by the engraving and milling machine when machining a workpiece, an isolation device is further added, and mainly comprises: the guide groove plate 19 for guiding the folding plate 22 to move up and down is symmetrically and fixedly arranged on the side walls of two sides of the opening of the cutter outlet channel 50 of the 匚 type shell 1, the driver 20 is fixedly arranged at the top of the guide groove plate 19, the driver 20 mainly comprises a small motor and a gear set, the driver 20 is provided with two power output ends, the two power output ends are both connected with the lifting screw rod 21, the rotation of the lifting screw rod 21 is realized through the driver 20, the folding plate 22 is arranged in a groove of the guide groove plate 19, the upper part of the folding plate 22 is fixed on the upper part of the guide groove plate 19, the bottom of the folding plate 22 is connected with the lifting screw rod 21, the folding plate 22 is further folded up and down through the rotation of the lifting screw rod 21, and is in a state of extending and unfolding under normal conditions, so that the opening of the cutter outlet channel 50 is closed, when a cutter needs to be replaced by the lifting screw rod 21, the folding plate 22 can be lifted up through the lifting screw rod 21, so that the cutter outlet channel 50 is closed after the cutter 40 is replaced by the rotating main shaft 233, water splashing and metal chips can be effectively avoided from being splashed into the cutter outlet channel 50.
The foregoing examples have shown only the preferred embodiments of the invention, which are described in more detail and are not to be construed as limiting the scope of the invention. It should be noted that modifications, improvements and substitutions can be made by those skilled in the art without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (8)
1. An automatic tool changing module comprising: 匚 type shell (1), which is internally provided with 匚 type accommodating chamber, wherein the accommodating chamber is divided into an L-type storage bin (60) and a knife outlet channel (50); a control unit (2) arranged on the 匚 type shell (1); a chain shuttle (3) which is L-shaped and is arranged in an L-shaped storage bin (60) of the 匚 -shaped housing (1); knife holders (4) which are uniformly arranged on the transmission part of the chain type shuttle device (3) at intervals; characterized by further comprising:
the double-rod sliding rail (5) is vertically arranged at one side of the edge of the chain type shuttle device (3) and is positioned in the cutter outlet channel (50); the moving table (6) is arranged on the transmission screw rod of the double-rod sliding rail (5); the double-straight-edge rotating disc (7) is disc-shaped and symmetrically provided with two straight edges, and the double-straight-edge rotating disc (7) is rotatably arranged on the moving table (6); the electric push rod (8) is vertically and fixedly arranged on the circle center of the double-straight-edge rotating disc (7) on the basis of the circle center of the telescopic rod; the mounting plate (9) is mounted on the telescopic rod of the electric push rod (8); the cutter claws (10) are symmetrically arranged on the mounting plate (9); the guide limiting plates (11) are symmetrically arranged on the inner side walls of the double-rod sliding rail (5), a gap is reserved between the two guide limiting plates (11), and the straight edges of the double-straight-edge rotating disc (7) are in sliding contact with the guide limiting plates (11); a gear ring (12) coaxially mounted on the double-straight-edge rotating disc (7); and the driving piece (13) is arranged on the mobile station (6), and a gear is arranged on the output end and meshed with the gear ring (12).
2. The automatic tool changing module according to claim 1, wherein the two-bar sliding rail (5) is symmetrically provided with a cover plate, and the width of the cover plate is at least flush with the position of the transmission screw of the two-bar sliding rail (5).
3. The automatic tool changing module according to claim 1, wherein the width of the tool outlet channel (50) in the 匚 -type housing (1) is not lower than the actual occupied space length of the mounting plate (9) and the tool claw (10) which are integrally mounted, and the tool claw (10) needs to rotate after clamping the tool (40) and is not blocked by inner walls at two sides of the tool outlet channel (50).
4. The automatic tool changer module of claim 3, further comprising: the rotary joint (14) is additionally arranged between the connecting part of the telescopic rod of the electric push rod (8) and the mounting plate (9); a supporting pallet (15) connected to the rotation part of the rotary joint (14) and contacting with the mounting plate (9); and one end of the telescopic supporting rod (16) is arranged at two sides of the bottom of the supporting plate (15), and the other end of the telescopic supporting rod is connected with the mobile station (6).
5. The automatic tool changer module of claim 4, further comprising: a fixed base plate (17) which is slidably connected to the slide plate (18) and mounts the slide plate (18) to the 匚 -type housing (1) via a connecting member (184); the triangular support frame (185) is slidably arranged at the bottom of the 匚 type shell (1); or the fixed base plate (17) and the sliding plate (18) are replaced by linear driving equipment, and the 匚 type shell (1) is connected with a movable part of the linear driving equipment.
6. The automatic tool changer module of claim 5, further comprising: single-side helical teeth (181) arranged on the sliding plate (18); a groove opening (182) is formed in one end, close to a sliding outlet of the sliding plate (18), of the fixed base plate (17); the stop block (183) is slidably arranged in the groove opening (182) so that the bottom of the stop block is propped against the single-side helical teeth (181), and inverted helical teeth with opposite directions relative to the single-side helical teeth (181) are arranged at the bottom of the stop block (183).
7. The automatic tool changer module of claim 6, further comprising: the guide groove plates (19) are symmetrically arranged at two sides of the opening of the cutter outlet channel (50) of the 匚 type shell (1); the driver (20) is commonly connected to the tops of the guide groove plates (19) at two sides; the lifting screw rods (21) are arranged at the power output ends at two sides of the driver (20); and the folding plate (22) is arranged in the groove of the guide groove plate (19), the upper part of the folding plate (22) is fixed on the upper part of the guide groove plate (19), and the bottom is connected with the lifting screw rod (21).
8. An engraving and milling machine, characterized by comprising: engraving machine (23), a spindle system (231), and an automatic tool changing module according to any one of claims 1 to 7, mounted on a side wall of said spindle system (231).
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| CN202410422965.3A CN118003132B (en) | 2024-04-09 | 2024-04-09 | Automatic tool changing module and engraving and milling machine applying same |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410422965.3A CN118003132B (en) | 2024-04-09 | 2024-04-09 | Automatic tool changing module and engraving and milling machine applying same |
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| CN118003132B (en) | 2024-06-11 |
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