CN214080392U - Machining center tool magazine - Google Patents

Abstract

The utility model discloses a machining center tool magazine, which comprises a tool magazine frame, wherein an annular track is arranged at the periphery of the tool magazine frame; the transmission mechanism is arranged on the tool magazine frame and moves along the annular track, and a plurality of tool clamping jaws are mounted on the transmission mechanism; the tool magazine frame is provided with a driving mechanism for driving the transmission mechanism to move, a pushing mechanism for pushing the tool clamping jaws to open, a broken tool detection device for detecting broken tools clamped by the tool clamping jaws, and a cleaning mechanism for cleaning the tools held by the tool clamping jaws. The utility model discloses can form circulating transport to the cutter, can in time know the disconnected sword condition of cutter in the tool magazine, also can in time clean the cutter, avoid influencing processingquality because of the cutter problem in the tool magazine.

Description

Machining center tool magazine

Technical Field

The utility model relates to a machining center technical field, concretely relates to machining center tool magazine.

Background

The tool magazine is mainly used to provide the tool storage position and correctly select the tool for positioning according to the program control for tool exchange; the tool changing mechanism is used for executing the action of tool exchange. The existing tool magazine structure design has the problems of unreasonable structure and incomplete function.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model aims at providing a machining center tool magazine rational in infrastructure, multiple functional.

Realize the technical scheme of the utility model as follows

The machining center tool magazine comprises a tool magazine frame, and an annular track is arranged on the periphery of the tool magazine frame; the transmission mechanism is arranged on the tool magazine frame and moves along the annular track, and a plurality of tool clamping jaws are mounted on the transmission mechanism;

the tool magazine frame is provided with a driving mechanism for driving the transmission mechanism to move, a pushing mechanism for pushing the tool clamping jaws to open, a broken tool detection device for detecting broken tools clamped by the tool clamping jaws, and a cleaning mechanism for cleaning the tools held by the tool clamping jaws.

Furthermore, the transmission mechanism is composed of a plurality of joint units which are connected end to end, each joint unit comprises a joint support, and the cutter clamping jaw is assembled in the middle position of the joint support; one end of the movable support is provided with a pin shaft, and the other end of the movable support is provided with a connecting end connected with the pin shaft of the adjacent movable joint support;

the driving mechanism is matched with the pin shaft on the movable support to drive the transmission mechanism to move.

Furthermore, the broken cutter detection device comprises a base fixedly arranged on the tool magazine frame, a connecting seat assembled on the base and a broken cutter detector assembled on the connecting seat, wherein the connecting seat is connected to the base through a connecting piece, and the connecting seat rotates on the base by taking the connecting piece as a center; a locking mechanism is arranged between the connecting seat and the base and locks the connecting seat and the base after the connecting seat rotates in place.

Furthermore, the driving mechanism comprises a motor, a speed reducer and a driving disc, wherein the output end of the motor is connected with the input end of the speed reducer, and the driving disc is assembled at the output end of the speed reducer;

the periphery of driving-disc distributes has a plurality of drive division of equidistant arrangement, and every drive division is provided with towards open-ended drive groove, drive groove and round pin axle cooperation.

Furthermore, the annular track is formed by two guide rails fixed on the periphery of the tool magazine frame in a side-by-side mode, the outer top surfaces of the guide rails form outer guide surfaces, the inner side surfaces of the guide rails form inner guide surfaces, and the side portions of the movable joint supports are provided with longitudinal guide wheels which are in rolling fit with the outer guide surfaces and are arranged longitudinally and transverse idler wheels which are in rolling fit with the inner guide surfaces and are arranged transversely.

Furthermore, the cutter clamping jaw comprises a fixed clamping jaw and a movable clamping jaw, an assembling space for installing the fixed clamping jaw and the movable clamping jaw is formed in the movable joint support, the fixed clamping jaw is fixedly arranged on the movable joint support, the middle part of the fixed clamping jaw is rotatably connected with the middle part of the movable clamping jaw, and an elastic piece compressed by the upper part of the fixed clamping jaw and the movable joint support is arranged between the upper part of the fixed clamping jaw and the movable joint support;

a clamping space is formed between the lower parts of the movable clamping jaw and the fixed clamping jaw; the upper end of the movable clamping jaw extends to the outside of the assembling space to be used as a driving end.

Furthermore, the pushing mechanism is arranged on a pusher on the tool magazine frame, and a pushing block is assembled at the driving end of the pusher and provided with a pushing groove for pushing the driving end of the movable clamping jaw.

Further, the cleaning mechanism includes a cleaning ring, a driver for driving the cleaning ring to be close to the cleaned cutter or far from the cleaning cutter.

Furthermore, a tensioning mechanism for tensioning and adjusting the transmission mechanism is further arranged on the tool magazine frame, the tensioning mechanism comprises a tensioning support, one end of the tensioning support is rotatably connected to the tool magazine frame, a tensioner is arranged at the other end of the tensioning support, and a track section matched with the annular track is arranged on the outer side of the tensioning support;

the tensioner comprises a fixing block, an adjusting block, an elastic body and an adjusting screw rod, wherein the fixing block is fixedly arranged on a tensioning support, the adjusting block is adjustably arranged on the tensioning support, one end of the adjusting block abuts against a tool magazine frame, the elastic body is positioned between the fixing block and the adjusting block and is compressed by the fixing block and the adjusting block, and the adjusting screw rod penetrates through the adjusting block and the fixing block to adjust the distance between the adjusting block and the fixing block.

Furthermore, a horizontal adjusting mechanism is arranged on the tool magazine frame and comprises two horizontal adjusting blocks assembled on the tool magazine frame, and a horizontal adjusting screw is arranged on each horizontal adjusting block.

By adopting the technical scheme, the cutter clamping jaw moves in the guide stroke of the annular track of the tool magazine frame by the transmission of the transmission mechanism, and the position of the cutter clamping jaw is switched to change the position of the cutter; the driving mechanism provides power for the operation of the transmission mechanism; when the required cutter is operated to a corresponding position, the pushing mechanism pushes the cutter clamping jaw to enable the cutter clamping jaw to withdraw the clamping force on the cutter, and the corresponding cutter changing mechanism clamps the cutter and sends the cutter to the position of the main shaft for cutter changing; in the circulating process of the cutter along with the transmission mechanism, the cutter breaking detection device detects the cutter breaking condition of the cutter, and feeds the cutter breaking condition back to the machining center control system when the cutter breaking condition occurs; the cleaning mechanism blows air to clean the cutter, and ensures that no sundries are attached to the outside of the cutter. The utility model discloses can form circulating transport to the cutter, can in time know the disconnected sword condition of cutter in the tool magazine, also can in time clean the cutter, avoid influencing processingquality because of the cutter problem in the tool magazine.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a rear view of the structure of FIG. 1;

FIG. 3 is an enlarged view of portion A of FIG. 1;

fig. 4 is a schematic structural diagram of the driving mechanism of the present invention;

fig. 5 is a schematic structural view of the middle movable joint unit of the present invention;

FIG. 6 is a schematic structural view of a middle movable joint support of the present invention;

fig. 7 is a schematic structural view of a movable clamping jaw in the present invention;

fig. 8 is a schematic perspective view of the interrupted knife detecting device of the present invention;

FIG. 9 is a rear view of the structure of FIG. 8;

FIG. 10 is a schematic view of the hidden inspection box of FIG. 8;

FIG. 11 is a further hidden view of FIG. 10;

fig. 12 is a schematic structural view of the pushing mechanism of the present invention;

fig. 13 is a schematic structural view of a cleaning mechanism of the present invention;

FIG. 14 is a schematic view of the cleaning ring in the cleaning mechanism;

FIG. 15 is a schematic view of the first annular body of the cleaning ring;

FIG. 16 is a schematic view of a second annular body in the cleaning ring;

FIG. 17 is a schematic view of the tension bracket hidden in FIG. 2;

in the drawing, 1 is a tool magazine frame, 2 is an annular rail, 3 is a transmission mechanism, 4 is a tool clamping jaw, 5 is a driving mechanism, 6 is a pushing mechanism, 7 is a broken tool detection device, 8 is a cleaning mechanism, 9 is a guide rail, 10 is an outer top surface, 11 is an inner side surface, 12 is an articulated joint unit, 13 is an articulated joint support, 14 is a pin shaft, 15 is a connecting lug, 16 is a longitudinal guide wheel, 17 is a transverse roller, 18 is a baffle plate, 19 is a fixed clamping jaw, 20 is a movable clamping jaw, 21 is an assembly space, 22 is an elastic piece, 23 is a driving end, 24 is a pivoting seat, 25 is a connecting part, 26 is a fixed clamping part, 27 is a position-avoiding port, 28 is a pivoting part, 29 is a movable clamping part, 30 is a reinforcing part, 31 is an accommodating body, 32 is an accommodating hole, 33 is an accommodating groove, 34 is a motor, 35 is a speed reducer, 36 is a driving disc, 37 is a driving part, 38 is a driving groove, and 39 is a base, 40 is a connecting seat, 41 is a cutter breaking detector, 42 is a transverse support, 43 is a longitudinal support, 44 is a mounting seat, 45 is a connecting piece, 46 is a first locking connecting piece, 47 is a second locking connecting piece, 48 is a third locking connecting piece, 49 is an adjusting hole, 50 is a stop block, 51 is an adjusting ejector rod, 52 is a detection box, 53 is a laser detector, 54 is a sealing ring, 55 is a lead connector, 56 is a laser cover, 57 is a connecting area, 58 is a mounting area, 59 is a mounting platform, 60 is a pusher, 61 is a pushing block, 62 is a pushing groove, 63 is a cleaning ring, 64 is a driver, 65 is a first annular body, 66 is a second annular body, 67 is an air inlet, 68 is an air inlet connector, 69 is an air blowing hole, 70 is an annular table, 71 is an annular groove, 72 is a mounting ring, 73 is a connecting plate, 74 is a tensioning support, 75 is a rotating shaft, 76 is a tensioner, 77 is a fixing block, 78 is an adjusting block, 79 is an elastic body, 80 is an adjusting screw rod, 81 is a kidney-shaped hole, 82 is a support plate, 83 is a connecting block, 84 is a horizontal adjusting block, 85 is a horizontal adjusting screw rod, 86 is a clamping groove, and 87 is a connecting and installing block.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-17, the machining center tool magazine comprises a tool magazine frame 1, wherein the tool magazine frame 1 is installed above a machining main shaft of the machining center, and an annular track 2 is arranged on the periphery of the tool magazine frame 1; the transmission mechanism 3 is arranged on the tool magazine frame 1 and moves along the annular track 2, and a plurality of tool clamping jaws 4 are arranged on the transmission mechanism 3; the tool magazine frame is provided with a driving mechanism 5 for driving the transmission mechanism to move, a pushing mechanism 6 for pushing the tool clamping jaws to open, a broken tool detection device 7 for detecting broken tools clamped by the tool clamping jaws, and a cleaning mechanism 8 for cleaning tools held by the tool clamping jaws.

The cutter clamping jaw 4 clamps a cutter, the cutter clamping jaw 4 moves in a guide stroke of the annular track 2 of the tool magazine frame 1 through transmission of the transmission mechanism 3, and the position of the cutter clamping jaw 4 is switched to change the position of the cutter; the driving mechanism 5 provides power for the operation of the transmission mechanism 3; when the required cutter is operated to a corresponding position, the pushing mechanism 6 pushes the cutter clamping jaw 4, so that the clamping force of the cutter clamping jaw 4 on the cutter is cancelled, and the cutter is clamped by the corresponding cutter changing mechanism and is sent to the position of the main shaft for cutter changing; in the circulating process of the cutter along with the transmission mechanism 3, the cutter breaking detection device 7 detects the cutter breaking condition of the cutter, and feeds the cutter breaking condition back to a machining center control system when the cutter breaking condition occurs; the cleaning mechanism 8 blows air to clean the cutter, and ensures that no sundries are attached to the outside of the cutter.

The annular track 2 is formed by two guide rails 9 fixed on the periphery of the tool magazine frame in parallel, the outer top surfaces 10 of the guide rails are outer guide surfaces, and the inner side surfaces 11 of the guide rails are inner guide surfaces.

The transmission mechanism 3 is composed of a plurality of joint units 12 which are connected end to end, each joint unit 12 comprises a joint support 13, and the cutter clamping jaw 4 is assembled in the middle position of the joint support; one end of the movable support 13 is provided with a pin 14, and the other end is provided with a connecting end connected with the pin of the adjacent movable joint support; specifically, a connecting pin 14 is installed at one end of the movable joint support, the connecting pin 14 is installed on the movable joint support 13 in a rotating mode, a connecting lug 15 is arranged at the other end of the movable joint support 13, and a connecting hole is formed in the connecting lug 15 so that the connecting pin on the adjacent movable joint support can be inserted into the connecting hole to form connection. The whole movable joint support is in a shape of a 'well' with the extending ends at two sides removed.

On the side of the joint support 13 are mounted a longitudinal guide wheel 16, which is arranged longitudinally in rolling engagement with the outer guide surface 10, and a transverse roller 17, which is arranged transversely in rolling engagement with the inner guide surface. The cooperation of the longitudinal guide wheel 16 with the outer guide surface provides support and guidance for the entire articulated unit; the cooperation of the transverse roller 17 and the inner guide surface, in combination with the cooperation of the longitudinal guide wheel 16 and the outer guide surface, can improve the stability of the operation of the transmission chain. And a baffle 18 for restraining the longitudinal roller is arranged at the outer side of the longitudinal roller at the end part of the tool magazine frame, and a rolling channel of the longitudinal roller is formed between the inner side of the baffle 18 and the outer guide surface so as to further improve the running stability of the whole transmission chain.

The cutter clamping jaw 4 comprises a fixed clamping jaw 19 and a movable clamping jaw 20, an assembling space 21 for installing the fixed clamping jaw and the movable clamping jaw is arranged in the movable joint support 13, the fixed clamping jaw is fixedly arranged on the movable joint support, and the middle part of the fixed clamping jaw is rotatably connected with the middle part of the movable clamping jaw; in order to ensure rigidity and wear resistance, the articulated support 13 is formed by integral casting with the fixed jaw 19. The fixed jaw 19 is formed at a lower side of the fitting space, and the fixed jaw 19 is extended downward. The fixed jaw 19 and the movable jaw 20 are arranged in the fitting space 21 to reduce the space occupation.

The middle part of the fixed clamping jaw 19 is rotationally connected with the middle part of the movable clamping jaw 20, and an elastic part 22 compressed by the upper part of the fixed clamping jaw 19 and the bracket is arranged between the upper part of the fixed clamping jaw and the bracket; a clamping space is formed between the lower parts of the movable clamping jaw and the fixed clamping jaw; the upper end of the movable clamping jaw extends to the outside of the assembling space to serve as a driving end 23, the driving end of the upper end of the movable clamping jaw is arranged in a cylinder shape, the driving end is driven by a pushing mechanism 6 arranged on the tool magazine frame, the lower portion of the movable clamping jaw and the lower portion of the fixed clamping jaw are driven to be opened, the pushing force of the driving end of the movable clamping jaw is cancelled, and under the action of an elastic piece 22, the lower portion of the movable clamping jaw and the lower portion of the fixed clamping jaw are driven to clamp a tool in the clamping space.

The fixed clamping jaw 19 comprises a pivot seat 24 at the middle part, a connecting part 25 connected with the movable joint support into a whole, and a fixed clamping part 26 at the lower part, and the upper part of the fixed clamping jaw is provided with a position-giving opening 27; the movable clamping jaw is made of a casting and comprises a driving end 23, a pivoting part 28 and a movable clamping part 29, the pivoting part 28 is rotatably connected with the pivoting seat 24 through a pivoting shaft, so that when the driving end is pushed by the pushing mechanism, the movable clamping jaw can rotate around the pivoting shaft; have the rib 30 between pin joint portion and the drive end, the position of this rib corresponds with the mouth position of stepping down, and the rib is the intensity of reinforcing activity clamping jaw, and another purpose is to cooperate with the mouth inner wall of stepping down, makes the motion of activity clamping jaw more steady. The lower end of the movable clamping jaw is fixedly provided with a clamping hook part which extends towards the direction of the fixed clamping jaw so as to more stably clamp the cutter handle between the fixed clamping jaw and the movable clamping jaw.

The elastic member 22 in this application is a spring, and is fixedly provided with a containing body 31 on the movable joint support, the containing body is provided with a containing hole 32 therein, the upper portion of the movable clamping jaw is provided with a containing groove 33, one end of the spring is in the containing groove, and the other end is in the containing hole, so that the spring is stably arranged.

The movable joint supports are connected in a tail-ending manner to form a transmission chain, and a driving mechanism drives a pin shaft on the movable joint supports to realize the circulating transmission motion of the whole transmission chain in the annular track; the cutter clamping jaw is arranged in the middle of the movable joint support, so that the occupation of the outer side space is reduced, the load balance of a transmission chain is also ensured, and the stability of cutter transmission operation is improved.

Wherein, as shown in fig. 4, the driving mechanism 5 is assembled on the tool magazine frame to drive the transmission mechanism to circularly move in the annular track; the driving mechanism comprises a motor 34, a speed reducer 35 and a driving disc 36, wherein the output end of the motor is connected with the input end of the speed reducer, and the driving disc is assembled at the output end of the speed reducer; a plurality of driving parts 37 are distributed at the periphery of the driving disc at equal intervals, each driving part is provided with a driving groove 38 facing to the opening, and the driving grooves are matched with the connecting pin shafts 14 to drive the transmission mechanism to move.

As shown in fig. 8-11, the broken tool detection device 7 includes a base 39, a connecting seat 40, and a broken tool detector 41 assembled on the connecting seat, a transverse bracket 42, a longitudinal bracket 43, and a mounting seat 44 are disposed behind the base 39, the transverse bracket 42 is fixedly connected to the rear of the base 39, the transverse bracket 42 is fixedly connected to the longitudinal bracket 43, the mounting seat 44 is fixedly mounted on the longitudinal bracket 43, and the mounting seat 44 is assembled on the tool magazine frame of the machining center tool magazine, so that the whole broken tool detection device is mounted as a whole.

The connecting seat 40 is connected to the base 39 through a connecting piece 45, the connecting seat 40 and the base 39 are both plate pieces and are mutually attached, the connecting seat rotates on the base by taking the connecting piece 45 as a center, the connecting piece is a bolt, when the bolt is loosened, the connecting seat can rotate around the connecting piece, and when the connecting piece is screwed, the connecting seat cannot rotate; a locking mechanism which locks the connecting seat and the base after the connecting seat rotates in place is arranged between the connecting seat and the base, so that the detection angle of the broken cutter detector is adjusted according to the position of the cutter in the cutter storehouse, namely the detection position of the broken cutter detector is adjusted.

The locking mechanism comprises a first locking connecting piece 46, a second locking connecting piece 47 and a third locking connecting piece 48, three adjusting holes 49 are formed in the connecting base, the three adjusting holes are separately arranged, one locking connecting piece corresponds to one adjusting hole, and the locking connecting piece is inserted into the corresponding adjusting hole and penetrates through the base at the corresponding position to lock the connecting base and the base. The adjusting holes are arc-shaped adjusting holes, the adjusting holes are arranged on a circle with the connecting piece as the circle center, and the locking connecting piece is restrained in the adjusting holes through adjustment so as to ensure the stability of adjustment.

The base 39 is provided with a gear mechanism which is arranged at two sides of the rotating track of the connecting seat 40 and forms a gear for the rotating stroke of the connecting seat; the gear mechanism comprises a gear block 50, an adjusting ejector rod 51 is arranged on the gear block in a threaded mode, and the front end of the adjusting ejector rod abuts against the connecting seat to form a gear. The fine adjustment function can be achieved by adjusting the ejector rod, namely the connecting piece 45 and the locking mechanism are both in a loose state, the connecting seat is rotated by adjusting the extension length of the adjusting ejector rod, and after the adjusting is in place, the connecting piece and the locking mechanism are screwed.

The cutter breaking detector 41 comprises a detection box 52 fixedly arranged on the connecting seat 40, a laser detector 53 is arranged in the detection box to improve the detection precision, and a sealing ring 54 is arranged between the contact surface of the detection box and the connecting seat to carry out sealing protection; the upper end of the detection box is provided with a lead connector 55 connected with the laser detector, and the lower part is provided with a laser cover 56 emitted by laser.

One side of the connecting base 40 is a connecting area 57 connected with the base 39, the connecting area is used for assembling the locking mechanism and the connecting piece, the other side is a mounting area 58 used for mounting the cutter-breaking detector, the mounting area is provided with a convex mounting platform 59, and the laser detector is fixed on the mounting platform. The thickness of the mounting area is smaller than that of the connecting area, so that the weight of the connecting seat is reduced, and the operation and the rotation are facilitated.

When the broken tool detector is adjusted to detect the angle, the connecting piece is loosened, the connecting seat can be rotated around the connecting piece as the center, and after the connecting seat is rotated in place, the locking mechanism is adopted to lock, so that the detection angle adjustment is completed, and the requirement of adjusting the detection angle quickly and stably is met.

As shown in fig. 12, the pushing mechanism 6 is mounted on a pusher 60 on the magazine frame 1, the pusher is an air cylinder, and a pushing block 61 is mounted on a driving end of the pusher, and the pushing block is provided with a pushing groove 62 for pushing a driving end of the movable jaw. In the working process, the driving end 23 of the movable clamping jaw passes through the pushing groove, when the tool clamping jaw 4 staying below the pushing groove needs to be pushed, the pusher extends out, the driving end 23 is pushed through the pushing groove 62, so that the movable clamping jaw and the fixed clamping jaw form relative rotation, and a tool clamped by the tool clamping jaw is loosened.

The cleaning mechanism 8 comprises a cleaning ring 63 and a driver 64 for driving the cleaning ring to be close to or far away from the cleaned cutter, the driver is an air cylinder, the cleaning ring is arranged at the driving end of the driver through a connecting plate 73, and the cleaning ring is driven by the driver to move. The cleaning mechanism cleans the cutter in a blowing mode. In specific implementation, the first annular body 65 and the second annular body 66 are included; the second annular body is arranged in the first annular body, an annular chamber is formed between the inner peripheral wall of the first annular body and the outer peripheral wall of the second annular body, an air inlet 67 communicated with the annular chamber is formed in the first annular body, an air inlet joint 68 is arranged in the air inlet and is communicated with an air source through a hose, and an air blowing hole 69 communicated with the annular chamber is formed in the second annular body. And gas enters the annular chamber from the gas inlet and is blown out through the gas blowing holes, so that the cutter is cleaned.

The inner space of the second annular body 66 is larger than the diameter of the cutter, and when the cutter is in a cleaning state, the handle of the cutter is positioned in the inner space of the second annular body, so that the cutter can be cleaned by blowing air at a short distance, and thorough cleaning is ensured. For better cleaning, the blowing holes 69 are arranged in a ring shape along the radial direction and the axial direction, and can blow air to the radial direction and the axial direction of the cutter handle to clean the cutter. The annular chamber is formed by that annular platforms 70 are arranged on the outer periphery of the second annular body, annular grooves 71 are arranged between the annular platforms, after the second annular body is arranged in the first annular body, the outer periphery of the annular platforms is attached to the inner wall of the first annular body to form sealing, and therefore the annular grooves are in a sealing state, namely the annular chamber is formed. The second annular body also has a mounting ring 72 having an outer diameter greater than the inner diameter of the first annular body to allow the second annular body to be stably mounted within the first annular body.

Referring to fig. 2 and 17, the tool magazine frame is further provided with a tensioning mechanism for tensioning and adjusting the transmission mechanism, the tensioning mechanism comprises a tensioning support 74, one end of the tensioning support is rotatably connected to the tool magazine frame through a rotating shaft 75, the other end of the tensioning support is provided with a tensioner 76, and a track section adapted to the circular track 2 is arranged around the outer side of the tensioning support to ensure the integrity of the circular track.

The tensioner comprises a fixed block 77, an adjusting block 78, an elastic body 79 and an adjusting screw 80, wherein the fixed block 77 is fixedly arranged in the tensioner bracket 74 through a bolt, the adjusting block 78 is adjustably arranged on the tensioner bracket 74, namely, a waist-shaped hole 81 is formed in the tensioner bracket, and the adjusting block is arranged in the waist-shaped hole through a bolt; one end of the adjusting block 78 is abutted against the end of the tool magazine frame 1, the elastic piece 79 is a spring, the elastic body is positioned between the fixing block 77 and the adjusting block 78 and compressed by the fixing block and the adjusting block, and the adjusting screw 80 penetrates through the adjusting block 78 and the fixing block 77 to adjust the distance between the fixing block and the adjusting block. During tensioning, the adjusting block and the tensioning support are not locked, the adjusting screw is rotated to enable the adjusting block to be far away from the fixed block, namely the distance between the fixed block and the adjusting block is increased, in the process, the tensioning support 74 rotates around the rotating shaft to perform fine adjustment, after the adjusting is in place, the adjusting block is locked with the tensioning support through the bolt, and the elastic body supports the fixed block and the adjusting block, so that tensioning is achieved. The tensioning support is composed of two support plates 82, the two support plates are fixedly connected through a connecting block 83, and an installation space is formed between the two support plates for assembling the tensioner.

Referring to fig. 2, a horizontal adjusting mechanism is arranged on the tool magazine frame, the horizontal adjusting mechanism comprises two L-shaped horizontal adjusting blocks 84 assembled on the installation side of the tool magazine frame, the two horizontal adjusting blocks are arranged, a horizontal adjusting screw 85 vertically arranged is arranged on each horizontal adjusting block, during installation, the installation block on the machining center is clamped into a clamping groove 86 of each horizontal adjusting block and is located below the horizontal adjusting screw, the horizontal adjusting screw abuts against the upper side of the installation block, the levelness of the tool magazine frame can be adjusted by rotating the horizontal adjusting screw, and after the levelness is adjusted in place, the installation block of the machining center is fixedly connected with a connecting installation block 87 fixed on the tool magazine frame through bolts so as to ensure the levelness of the tool magazine frame assembled on the machining center.

The number of the tool clamping jaws is 72, two pushing mechanisms, two cleaning mechanisms and two broken tool detection mechanisms are assembled on the tool magazine frame, and the tool magazine frame can be increased or reduced according to the number of different spindles.

Claims (10)

1. The machining center tool magazine is characterized by comprising a tool magazine frame, wherein an annular track is arranged on the periphery of the tool magazine frame; the transmission mechanism is arranged on the tool magazine frame and moves along the annular track, and a plurality of tool clamping jaws are mounted on the transmission mechanism;

the tool magazine frame is provided with a driving mechanism for driving the transmission mechanism to move, a pushing mechanism for pushing the tool clamping jaws to open, a broken tool detection device for detecting broken tools clamped by the tool clamping jaws, and a cleaning mechanism for cleaning the tools held by the tool clamping jaws.

2. The machining center magazine of claim 1, wherein the transmission mechanism is comprised of a plurality of end-to-end articulated units, each articulated unit including an articulated support, the tool holding jaws being mounted in a central position on the articulated support; one end of the movable support is provided with a pin shaft, and the other end of the movable support is provided with a connecting end connected with the pin shaft of the adjacent movable joint support;

the driving mechanism is matched with the pin shaft on the movable support to drive the transmission mechanism to move.

3. The machining center tool magazine according to claim 1, wherein the broken tool detecting device includes a base fixedly mounted on the tool magazine frame, a connecting seat mounted on the base, and a broken tool detecting device mounted on the connecting seat, the connecting seat being connected to the base by a connecting member, the connecting seat being rotated on the base centering on the connecting member; a locking mechanism is arranged between the connecting seat and the base and locks the connecting seat and the base after the connecting seat rotates in place.

4. The machining center tool magazine as claimed in claim 2, wherein the driving mechanism comprises a motor, a speed reducer, and a driving disc, an output end of the motor is connected with an input end of the speed reducer, and the driving disc is assembled at an output end of the speed reducer;

the periphery of driving-disc distributes has a plurality of drive division of equidistant arrangement, and every drive division is provided with towards open-ended drive groove, drive groove and round pin axle cooperation.

5. The machining center tool magazine according to claim 2, wherein the endless track is formed by two guide rails fixed to the outer periphery of the tool magazine frame side by side, the outer top surfaces of the guide rails forming outer guide surfaces, the inner side surfaces of the guide rails forming inner guide surfaces, and the side portions of the movable joint support are provided with longitudinal guide wheels arranged longitudinally in rolling engagement with the outer guide surfaces, and lateral rollers arranged laterally in rolling engagement with the inner guide surfaces.

6. The machining center tool magazine according to claim 2, wherein the tool holding jaws comprise a fixed holding jaw and a movable holding jaw, an assembly space for mounting the fixed holding jaw and the movable holding jaw is provided in the movable joint support, the fixed holding jaw is fixedly arranged on the movable joint support, the middle part of the fixed holding jaw is rotatably connected with the middle part of the movable holding jaw, and an elastic element compressed by the upper part of the fixed holding jaw and the movable joint support is arranged between the upper part of the fixed holding jaw and the movable joint support;

a clamping space is formed between the lower parts of the movable clamping jaw and the fixed clamping jaw; the upper end of the movable clamping jaw extends to the outside of the assembling space to be used as a driving end.

7. The machining center tool magazine of claim 6, wherein the pushing mechanism is a pusher mounted on the magazine frame, a pushing block mounted on the driving end of the pusher, the pushing block being provided with a pushing groove for pushing the driving end of the movable jaw.

8. The machining center magazine of claim 1, wherein the cleaning mechanism includes a cleaning ring, a drive that urges the cleaning ring toward or away from the tool being cleaned.

9. The machining center tool magazine as claimed in claim 1, wherein the tool magazine frame is further provided with a tensioning mechanism for tensioning and adjusting the transmission mechanism, the tensioning mechanism comprises a tensioning support, one end of the tensioning support is rotatably connected to the tool magazine frame, the other end of the tensioning support is provided with a tensioner, and a track section adapted to the annular track is arranged on the outer side of the tensioning support;

the tensioner comprises a fixing block, an adjusting block, an elastic body and an adjusting screw rod, wherein the fixing block is fixedly arranged on a tensioning support, the adjusting block is adjustably arranged on the tensioning support, one end of the adjusting block abuts against a tool magazine frame, the elastic body is positioned between the fixing block and the adjusting block and is compressed by the fixing block and the adjusting block, and the adjusting screw rod penetrates through the adjusting block and the fixing block to adjust the distance between the adjusting block and the fixing block.

10. The machining center tool magazine according to claim 1, wherein the tool magazine frame is provided with a horizontal adjustment mechanism, the horizontal adjustment mechanism comprises two horizontal adjustment blocks assembled to the tool magazine frame, and each horizontal adjustment block is provided with a horizontal adjustment screw.

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