Milling cutter disc with milling cutters convenient to replace

Abstract

The invention relates to cutting machining equipment, in particular to a facing cutter convenient for replacing milling cutters, which comprises a facing cutter body and a replacement base, the facing cutter body is detachably arranged on the replacement base, the facing cutter body comprises a cutter handle and a cutter body, the milling cutters are mounted on the side surface of the cutter body, the cutter handle comprises a connecting handle and a mounting handle, and the connecting handle is connected with the mounting handle. One end of the connecting handle is fixedly connected with one side of the cutter body, the other end of the connecting handle is rotatably inserted into a rotary cavity formed in the end of the mounting handle, the replacement base comprises a bottom box, a supporting seat used for supporting the bottom of the cutter body is mounted at one end of the bottom box, and a clamping structure, a transmission structure and a power shaft are arranged at the other end of the bottom box. The milling cutter disc body can be fixedly installed on the bottom box base, meanwhile, the connecting handle and the installing handle in the cutter handle are unlocked, the intermittent rotating assembly drives the connecting handle and the cutter body to rotate intermittently, and an operator can replace a milling cutter conveniently.

Description

Technical Field

[0001] The invention relates to a cutting processing device, in particular to a milling cutter disc which is convenient for replacing a milling cutter. Background Art

[0002] A milling cutter disc is a tool with a cutting milling cutter installed on a disc-shaped tool body. It is mainly used for processing planes, steps, grooves, forming surfaces and cutting workpieces on milling machines. It removes metal materials by rotating the milling cutter disc and is one of the commonly used tools on CNC machine tools.

[0003] When multiple sets of milling cutters in the milling cutter disc are disassembled and assembled, they are all installed by screws. However, it is difficult for humans to stably fix the milling cutter disc and the milling cutter for installation, so there will be shaking and instability during installation. In order to avoid the above situation, a fixing fixture is needed to fix the milling cutter disc during the installation process. However, since the milling cutter needs to be evenly installed along the circumference of the milling cutter disc, even when using a fixing fixture to fix the milling cutter disc for installation, the personnel need to repeat the clamping and releasing operation of the milling cutter disc many times to adjust the clamping angle of the milling cutter disc at different angles to meet the installation operation of the milling cutter on different installation surfaces, which greatly increases the difficulty of replacing the milling cutter. Summary of the invention

[0004] The purpose of the present invention is to provide a milling cutter disc which is convenient for replacing the milling cutter, so as to solve the above technical problems.

[0005] To achieve the above-mentioned purpose, the present invention provides a milling cutter disc for facilitating the replacement of a milling cutter, comprising a milling cutter disc body and a replacement base, wherein the milling cutter disc body can be detachably mounted on the replacement base;

[0006] Wherein, the milling cutter disc body comprises a cutter handle and a cutter body, a mounting hole for mounting a milling cutter is arranged in the mounting groove on the side of the cutter body, the cutter handle comprises a connecting handle and a mounting handle, one end of the connecting handle is fixedly connected to one side of the cutter body, and the other end is rotatably inserted into a rotary cavity arranged at the end of the mounting handle, the connecting handle and the mounting handle are locked by a No. 1 locking assembly, an intermittent rotating assembly for driving the connecting handle to intermittently rotate is arranged at the end of the rotary cavity of the mounting handle, and the intermittent rotating assembly is connected to the driving shaft on the mounting handle through a linkage structure;

[0007] The replacement base includes a bottom box, one end of which is equipped with a support seat for supporting the bottom of the cutter body, and the other end of the bottom box is provided with a clamping structure, a transmission structure and a power shaft. The mounting handle is fixed by the clamping structure, and the power shaft is connected to the clamping structure through the transmission structure. When the clamping structure clamps and fixes the mounting handle, the transmission assembly drives the power shaft to be connected to the drive shaft on the mounting handle.

[0008] As a further solution of the present invention, the No. 1 locking assembly includes two groups of limiting slides, which are slidably installed on the outside of the mounting handle. A group of locking plugs are fixedly installed on one side of the connecting handle, and the other end is transmission-connected to a locking nut rotatably installed on the outside of the mounting handle through a transmission thread. A locking hole for inserting the locking plug is provided on the end surface of the connecting handle close to the mounting handle.

[0009] As a further solution of the present invention, the intermittent rotating assembly includes a rotary disk, a rotary shaft and a plurality of sets of locking wedges;

[0010] Wherein, the rotary disk is coaxially fixedly mounted on the end surface of the connecting handle, and a locking groove is provided on its side for the tip of the locking wedge to be locked and inserted;

[0011] The number of the locking wedges is consistent with the number of the milling cutters, and the inner wall of the mounting handle is evenly provided with a plurality of mounting grooves for sliding installation of the corresponding locking wedges, and the locking wedges are elastically installed in the corresponding mounting grooves through a No. 1 connecting spring;

[0012] The rotating shaft is rotatably mounted on the inner cavity end surface of the mounting handle, and a transmission plate is fixedly mounted on one end thereof close to the rotating disk. The transmission plate is elastically connected to an eccentrically mounted fixed protrusion on the rotating disk via a No. 2 connecting spring, and the end of the transmission plate can squeeze the corresponding locking wedge to retract it into the locking groove.

[0013] As a further solution of the present invention, the linkage structure includes a transmission worm wheel and a driving worm, the transmission worm wheel is coaxially fixedly mounted on the rotating shaft, and the driving worm is coaxially mounted on the driving shaft and meshingly connected with the transmission worm wheel.

[0014] As a further solution of the present invention, the clamping structure includes two groups of clamping slides and two pairs of limiting columns;

[0015] Two pairs of the limit columns are respectively installed at two ends of the installation handle;

[0016] The two groups of clamping slides are slidably mounted in the guide rails on the side plates on both sides of the bottom box, and the two groups of clamping slides are provided with two groups of placement grooves for placing the ends of the corresponding limit columns on the near sides, and a fixing assembly for locking the limit columns is installed in the clamping slide, and multiple groups of guide columns are fixedly installed at the bottom of the clamping slide, and the multiple groups of guide columns are slidably mounted in the guide holes at the bottom of the guide rails, and the fixing plates installed at the ends of the multiple groups of guide columns are elastically connected to the bottom of the guide rails through a No. 1 return spring;

[0017] When the clamping slide plate slides down to the limit position, it is locked by the No. 2 locking component on the side plate of the bottom box.

[0018] As a further solution of the present invention, the fixing assembly is installed in a mounting cavity in the clamping slide, and includes two sets of sliding arc blocks, a double-ended screw rod, a No. 1 transmission gear and a No. 1 fixed rack;

[0019] The two sets of sliding arc blocks are respectively slidably installed on the two sides of the installation cavity, and the two sets of sliding arc blocks are respectively provided with arc surfaces for adapting to the side surfaces of the clamping limit columns at the far ends thereof;

[0020] The double-ended screw is rotatably installed in the installation cavity, and the threaded tubes at both ends are correspondingly threadedly connected in the internal threaded holes near the ends of the two sets of sliding arc blocks;

[0021] The first transmission gear is coaxially fixedly mounted on the middle part of the double-ended screw rod;

[0022] The number one fixed rack is fixedly mounted on the side plate of the bottom box and meshes with the number one transmission gear for transmission.

[0023] As a further solution of the present invention, the second locking assembly includes a limit plate, a pulling plate and a connecting column;

[0024] The connecting column is fixedly mounted on the side of the corresponding clamping slide plate;

[0025] The limit plate is fixedly mounted on the side plate of the bottom box, and is provided with an arc-shaped limit groove for the connecting column shaft to limit and abut against;

[0026] The pulling plate is slidably installed in a connecting groove opened on a side of the limiting plate away from the side plate, and is elastically connected to the limiting plate through a No. 2 return spring. An arc-shaped guide surface is provided at one end of the pulling plate that is slidably inserted.

[0027] As a further solution of the present invention, the transmission assembly includes a drive plate, a drive screw, a rotary inner nut, a second transmission gear and a second fixed rack;

[0028] Wherein, the driving plate is vertically slidably mounted on the inner side of the side plate of the bottom box through multiple groups of limit rods;

[0029] One end of the driving screw is fixedly connected to one side of the driving plate connected to the side plate;

[0030] The rotary inner nut is rotatably mounted on the side plate corresponding to the drive plate and is threadedly connected to the drive screw;

[0031] The second transmission gear is coaxially mounted on the outside of the rotating inner nut;

[0032] The second fixed rack is fixedly connected to the corresponding clamping slide plate and meshedly connected to the second transmission gear.

[0033] As a further solution of the present invention, the power shaft is rotatably mounted on a driving plate, and the driving plate drives the power shaft to move linearly synchronously. A plurality of sets of mounting pins are fixedly mounted on one end of the power shaft close to the inner side of the base box, and the mounting pins can be limitedly inserted into the meshing tooth surface installed on the outer end face of the driving shaft.

[0034] Compared with the prior art, the present invention designs a milling cutter disc body and a replacement base, wherein the milling cutter disc body can be detachably mounted on the replacement base, and the tool handle in the milling cutter disc body is designed to include a rotatably connected connecting handle and a mounting handle, wherein the connecting handle can be fixedly connected to the tool body in the milling cutter disc body, so that the operator can:

[0035] 1. When the milling cutter body of the present invention is used for metal cutting:

[0036] The milling cutter body can be removed from the replacement base, and by turning the locking nut on the mounting handle, the two sets of locking plugs are driven to be inserted into the locking holes on the connecting handle. After the mounting handle and the connecting handle of the cutter handle are locked, the cutter handle is docked and fixed with the spindle of the machine tool, and the milling cutter body can be used.

[0037] 2. When the milling cutter disc body of the present invention is used to replace the milling cutter:

[0038] At this time, the two teams of limit columns can be installed on both sides of the mounting handle correspondingly, and after the two pairs of limit columns are connected to the placement grooves on the two groups of clamping slide blocks on the replacement base, downward pressure is applied on the milling cutter disc body to drive the two groups of clamping slide blocks to slide down. After the two groups of clamping slide blocks slide down to the lowest stroke, the two groups of limit columns are pressed and fixed by the two groups of sliding arc blocks in the mounting cavity of the clamping slide block, and the clamping slide block is locked by the limiting action of the pulling plate in the No. 2 locking assembly, and the power shaft on the drive plate is driven by the transmission assembly to connect with the drive shaft on the mounting handle, so that the operator can control the rotation of the power shaft, drive the drive shaft and the intermittent rotation assembly inside the mounting handle to rotate, and intermittently rotate to adjust the rotation angle of the connecting handle and the cutter body, thereby controlling the mounting surface of the cutter body that needs to replace the milling cutter to rotate to a horizontal state in sequence, so that the operator can apply force to use the disassembly tool to remove the milling cutter from the cutter body. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Figure 1 The present invention is a perspective and structural schematic diagram of a milling cutter disc that is convenient for replacing a milling cutter.

[0040] Figure 2 This is a side view of a milling cutter disc for easy replacement of a milling cutter in the present invention.

[0041] Figure 3 The present invention is a schematic structural diagram from a second perspective of a milling cutter disc for easy replacement of a milling cutter.

[0042] Figure 4 For the present invention Figure 2 A magnified schematic diagram of center A.

[0043] Figure 5 For the present invention Figure 2 A magnified schematic diagram of point B in the middle.

[0044] Figure 6 It is a partial cross-sectional view of the knife handle in the present invention.

[0045] Figure 7 It is a schematic structural diagram of the intermittent rotating component in the present invention.

[0046] Figure 8 It is a structural schematic diagram of the linkage structure in the present invention.

[0047] Fig. 9 It is a schematic diagram of the structure of the second locking assembly in the present invention.

[0048] In the attached drawings: 1. mounting handle; 2. connecting handle; 3. knife body; 4. bottom box; 401. side plate; 5. No. 1 locking assembly; 501. limiting slide plate; 502. locking plug block; 503. locking nut; 6. clamping structure; 601. limiting column; 602. clamping slide plate; 603. guide rail; 604. guide column; 605. No. 1 reset spring; 7. intermittent rotation assembly; 701. turntable; 702. locking wedge block; 703. No. 1 connecting spring; 704. transmission dial plate; 705. rotating shaft; 706. No. 2 connecting spring; 707. fixing protrusion; 8. linkage structure; 801. transmission worm gear; 802. driving worm gear Rod; 9, driving shaft; 901, meshing tooth surface; 10, supporting seat; 11, fixing assembly; 1101, sliding arc block; 1102, double-ended screw rod; 1103, transmission gear No. 1; 1104, fixed rack No. 1; 12, locking assembly No. 2; 1201, pulling plate; 1202, return spring No. 2; 1203, limit plate; 1204, connecting column; 13, power shaft; 1301, mounting nail; 14, transmission assembly; 1401, fixed rack No. 2; 1402, limit rod; 1403, rotating inner nut; 1404, transmission gear No. 2; 1405, driving screw; 1406, driving plate; 15, mounting plate. DETAILED DESCRIPTION

[0049] The technical solution of the present invention is further described in detail below in conjunction with specific implementation methods.

[0050] like Figure 1 , Figure 2 , Figure 3 as well as Figure 5As shown, in an embodiment of the present invention, a milling cutter disc for facilitating replacement of a milling cutter comprises a milling cutter disc body and a replacement base, wherein the milling cutter disc body can be detachably mounted on the replacement base;

[0051] The milling cutter disc body comprises a cutter handle and a cutter body 3, a mounting hole for mounting a milling cutter is arranged in the mounting groove on the side of the cutter body 3, the cutter handle comprises a connecting handle 2 and a mounting handle 1, one end of the connecting handle 2 is fixedly connected to one side of the cutter body 3, and the other end is rotatably inserted into a rotary cavity arranged at the end of the mounting handle 1, the connecting handle 2 and the mounting handle 1 are locked by a No. 1 locking assembly 5, an intermittent rotating assembly 7 for driving the connecting handle 2 to intermittently rotate is arranged at the end of the rotary cavity of the mounting handle 1, and the intermittent rotating assembly 7 is transmission-connected to a driving shaft 9 on the mounting handle 1 through a linkage structure 8;

[0052] The replacement base includes a bottom box 4, one end of which is provided with a support seat 10 for supporting the bottom of the blade body 3, and the other end of the bottom box 4 is provided with a clamping structure 6, a transmission structure and a power shaft 13, the clamping structure 6 is used to fix the mounting handle 1, and the power shaft 13 is connected to the clamping structure 6 through the transmission structure. When the clamping structure 6 clamps and fixes the mounting handle 1, the transmission assembly 14 drives the power shaft 13 to be connected to the drive shaft 9 on the mounting handle 1;

[0053] Specifically, the present invention sets the tool handle as a connecting handle 2 and a mounting handle 1 that are rotatably connected, and sets a replacement base that can fix the mounting handle. After the operator fixes the mounting handle 1 with the replacement base and controls the No. 1 locking component 5 to unlock the connecting handle 2 and the mounting handle 1, the operator can control the power shaft 13 to rotate, thereby driving the drive shaft 9 on the mounting handle 1 connected thereto to rotate, and drives the connecting handle 2 in the mounting handle 1 to rotate intermittently through the intermittent rotation component 7, thereby adjusting the deflection angle of the tool body 3 connected to the end of the connecting handle 2, thereby controlling the mounting surface of the tool body 3 where the milling cutter needs to be replaced to rotate to a horizontal state in sequence, so that the operator can apply force to use a disassembly tool to remove the milling cutter from the tool body 3.

[0054] like Figure 6As shown, in the embodiment of the present invention, the No. 1 locking assembly 5 includes two groups of limiting slide plates 501, which are slidably installed on the outside of the mounting handle 1 and are limited by a guide sleeve fixedly installed on the outside of the mounting handle 1. A group of locking plug blocks 502 are fixedly installed on one side facing the connecting handle 2, and the other end is transmission-connected to a locking nut 503 rotatably installed on the outside of the mounting handle 1 through a transmission thread. A locking hole for inserting the locking plug block 502 is provided on the end surface of the connecting handle 2 close to the mounting handle 1. In the present invention, the No. 1 locking assembly 5 is fixedly installed on the side facing the connecting handle 2. When the connecting handle 2 and the installation handle 1 are fixed, the locking plugs 502 at the ends of the two sets of limiting slides 501 are correspondingly inserted into the locking holes set on the end surface of the connecting handle 2. When the No. 1 locking assembly 5 is unlocked, the locking nut 503 is rotated, and the inner thread of the locking nut 503 is meshed with the incomplete outer thread at one end of the limiting slide 501 to drive the two sets of limiting slides 501 to move toward the inner cavity of the locking nut 503, thereby driving the two sets of locking plugs 502 to extend from the insertion hole and disengage from the connecting handle 2, thereby realizing the rotation unlocking of the connecting handle 2 and the installation handle 1;

[0055] Furthermore, in the present invention, the unlocked connecting handle 2 is driven to rotate by the intermittent rotating structure in the mounting handle 1, thereby simplifying the docking step of the locking plug 502 and the locking hole when resetting the lock. Of course, in actual design, the No. 1 locking component 5 can also be replaced with other components with locking and rotating capabilities, and is not limited to the locking structure of the locking plug 502 used in the present invention. For example, a clamping locking structure or a latch locking structure can be selected.

[0056] like Figure 7 and Figure 8 As shown, in the embodiment of the present invention, the intermittent rotation assembly 7 includes a rotary disk 701, a rotary shaft 705 and a plurality of locking wedges 702, wherein the rotary disk 701 is coaxially fixedly installed on the end surface of the connecting handle 2, and a locking groove for the tip of the locking wedge 702 to be locked and inserted is provided on its side surface, the number of the locking wedges 702 is consistent with the number of the milling cutter, and a plurality of mounting grooves for the corresponding locking wedges 702 to be slidably installed are evenly provided on the inner wall of the mounting handle 1, and the locking wedges 702 are connected by a No. 1 connecting spring 70 3 is elastically installed in the corresponding installation groove, the elastic force of the No. 1 connecting spring 703 supports the locking wedge 702 to slide out linearly from the installation groove, the rotating shaft 705 is rotatably installed on the inner cavity end surface of the installation handle 1, and a transmission plate 704 is fixedly installed at one end thereof close to the rotating disk 701, and the transmission plate 704 is elastically connected to the fixed protrusion 707 eccentrically installed on the rotating disk 701 through the No. 2 connecting spring 706, and the end of the transmission plate 704 can squeeze the corresponding locking wedge 702 to retract it into the locking groove;

[0057] When the connecting handle 2 is driven to perform intermittent rotation, the driving shaft 9 drives the rotating shaft 705 to rotate synchronously. During the rotation of the rotating shaft 705, the transmission dial 704 fixedly installed at the bottom thereof is driven to rotate. When the end of the transmission dial 704 is not in contact with the next set of locking wedges 702, the rotating disk 701 and the connecting handle 2 are in a fixed state. At the same time, the rotating transmission dial 704 pulls the second connecting spring 706 in a stretched state. When the end of the transmission dial 704 is in contact with the next set of locking wedges 702, the rotating disk 701 and the connecting handle 2 are in a fixed state. When the locking wedge 702 is in contact with the locking slot, and the locking wedge 702 is pressed outward until it is disengaged from the rotating disk 701, the unlocked rotating disk 701 is pulled and rotated under the tensile force of the second connecting spring 706, and the connecting handle 2 is mobilized to rotate synchronously, and the rotating disk 701 rotates until the locking slot on it corresponds to another set of locking wedges 702, and is locked again after being inserted, and the rotating connecting handle 2 drives the knife body 3 to rotate, and the rotation angle of the knife body 3 is switched;

[0058] Furthermore, the linkage structure 8 includes a transmission worm wheel 801 and a driving worm 802. The transmission worm wheel 801 is coaxially fixedly mounted on the rotating shaft 705, and the driving worm 802 is coaxially mounted on the driving shaft 9 and meshingly connected with the transmission worm wheel 801. The operator can control the rotation of the driving shaft 9 to drive the rotating shaft 705 to rotate through the meshing of the transmission worm wheel 801 and the driving worm 802.

[0059] like Figure 2 and Figure 4 As shown, in the embodiment of the present invention, the clamping structure 6 includes two groups of clamping slide plates 602 and two pairs of limiting columns 601;

[0060] Among them, the two pairs of limit columns 601 are respectively installed at the two ends of the mounting handle 1, wherein the limit columns 601 can be detachably installed on both sides of the mounting handle 1 by means of mounting bolts. When the milling cutter is replaced, the two teams of limit columns 601 can be correspondingly installed at the two ends of the mounting handle 1, and other components in the clamping structure 6 are used to clamp it. The two groups of clamping slides 602 are slidably installed in the guide rails 603 on the side plates 401 on both sides of the bottom box 4. The two groups of clamping slides 602 are each provided with two groups of guide rails for placing the corresponding limit columns 60 1, a placement slot at the end thereof, a fixing assembly 11 for locking the limit column 601 is installed in the clamping slide 602, a plurality of guide columns 604 are fixedly installed at the bottom of the clamping slide 602, and the plurality of guide columns 604 are slidably installed in the guide holes at the bottom of the guide rail 603, and a fixing plate installed at the end of the plurality of guide columns 604 is elastically connected to the bottom of the guide rail 603 through a No. 1 return spring 605, and when the clamping slide 602 slides down to the limit position, it is locked by the No. 2 locking assembly 12 on the side plate 401 of the bottom box 4;

[0061] Specifically, when the clamping assembly realizes the fixing of the mounting handle 1 in the tool handle, the two groups of limiting columns 601 on both sides of the mounting handle 1 are docked and placed in the placement grooves near the two groups of clamping slides 602, and the mounting handle 1 is pressed down, and the two pairs of limiting columns 601 are pressed on the clamping slide 602, driving the two groups of clamping slides 602 to slide downward along the limiting direction of the guide rail 603, and in this process, the No. 1 return spring 605 located at the bottom of the clamping slide 602 is in a stretched state, and when the clamping slide 602 slides to the limit position at the bottom of the guide rail 603, the fixing assembly 11 in the two groups of clamping slides 602 extends out to lock the two groups of limiting columns 601, and when the clamping slide 602 slides down to the limit position, the No. 2 locking assembly 12 locks the connecting column 1204 on the side of the clamping slide 602, thereby realizing the fixation of the clamping slide 602 and the limiting columns 601 fixedly connected thereto and the mounting handle 1;

[0062] When the mounting handle 1 needs to be unlocked and taken away, it can be unlocked by operating the No. 2 locking component 12. At this time, the clamping slide 602 that is detached from the No. 2 locking component 12 slides upward and resets under the action of the contraction elastic force of the No. 1 reset spring 605, and the fixing component 11 in the clamping slide 602 is detached from the limit column 601 during the upward sliding process of the clamping slide 602, and loses its fixing function.

[0063] like Figure 4 As shown, in an embodiment of the present invention, the fixing assembly 11 is installed in the installation cavity in the clamping slide plate 602, and includes two groups of sliding arc blocks 1101, a double-headed screw rod 1102, a transmission gear 1103 and a fixed rack 1104, wherein the two groups of sliding arc blocks 1101 are respectively slidably installed on both sides of the installation cavity, and the distal ends of the two groups of sliding arc blocks 1101 are correspondingly provided with an arc surface for adapting to the side of the clamping limit column 601, the double-headed screw rod 1102 is rotatably installed in the installation cavity, and the threaded tubes at both ends thereof are correspondingly threadedly connected to the internal threaded holes at the proximal ends of the two groups of sliding arc blocks 1101, and the transmission gear 1103 is coaxially fixedly installed. Installed in the middle of the double-headed screw rod 1102, the No. 1 fixed rack 1104 is fixedly installed on the side plate 401 of the bottom box 4, and meshes with the No. 1 transmission gear 1103 for transmission. In the present invention, when the clamping slide block is pressed down and slides, the No. 1 transmission gear 1103 meshes with the fixedly installed No. 1 fixed rack 1104, driving the double-headed screw rod 1102 and the No. 1 transmission gear 1103 to rotate synchronously, and driving the sliding arc blocks 1101 at both ends of the double-headed screw rod 1102 to extend to both sides. When the clamping slide plate 602 slides to the lowest stroke, the two sets of sliding arc blocks 1101 are fully extended to press and fix the ends of a pair of limit columns 601 on the same side;

[0064] When the clamping slide 602 is unlocked and slides upward to reset through elastic support, the No. 1 transmission gear 1103 engages with the fixed No. 1 fixed rack 1104 and rotates in the opposite direction, thereby driving the two sets of sliding arc blocks 1101 to reset and retract into the installation cavity of the clamping slide 602.

[0065] like Figure 4 and Fig. 9 As shown, in the embodiment of the present invention, the second locking assembly 12 includes a limit plate 1203, a pulling plate 1201 and a connecting column 1204, the connecting column 1204 is fixedly mounted on the side of the corresponding clamping slide plate 602, the limit plate 1203 is fixedly mounted on the side plate 401 of the bottom box 4, and is provided with an arc-shaped limit groove for the connecting column 1204 to limit and abut against the rod body, the pulling plate 1201 is slidably mounted in a connecting groove opened on the side of the limit plate 1203 away from the side plate 401, and is elastically connected to the limit plate 1203 through the second reset spring 1202, and the end of the pulling plate 1201 that is slidably inserted is provided with an arc-shaped guide surface;

[0066] When the clamping plate 602 is at the bottom, the No. 2 locking assembly 12 is used to fix and lock the lowest connecting column 1204. During the locking process, the lowest connecting column 1204 first slides along the arc-shaped guide surface at the end of the pulling plate 1201. During the sliding process, the connecting column 1204 squeezes the pulling plate 1201 and slides out from the limiting plate 1203. At this time, the No. 2 reset spring 1202 is in a stretched state. After the connecting column 1204 completely slides into the arc-shaped limiting groove of the limiting plate 1203, the pulling plate 1201 is stretched by the elastic force of the No. 2 reset spring 1202, driving it to be reinserted into the limiting plate 1203, and clamped by the plane at the bottom of the pulling plate 1201 and the connecting column 1204, the connecting column 1204 is limited.

[0067] like Figure 4 and Figure 5As shown, in the embodiment of the present invention, the transmission assembly 14 includes a driving plate 1406, a driving screw 1405, a rotating inner nut 1403, a second transmission gear 1404 and a second fixed rack 1401, wherein the driving plate 1406 is vertically slidably installed on the inner side of the side plate 401 of the bottom box 4 through multiple groups of limit rods 1402, one end of the driving screw 1405 is fixedly connected to the side of the driving plate 1406 connected to the side plate 401, the rotating inner nut 1403 is rotatably installed on the side plate 401 corresponding to the driving plate 1406, and is threadedly connected to the driving screw 1405, and the second transmission gear 1404 is coaxially installed on On the outer side of the rotating inner nut 1403, the No. 2 fixed rack 1401 is fixedly connected to the mounting plate 15 on the corresponding side connecting column 1204 of the clamping slide 602, and is meshed with the No. 2 transmission gear 1404. When the clamping slide 602 slides down, the mounting plate 15 and the No. 2 fixed rack 1401 fixed thereto are driven to move downward synchronously, and the No. 2 fixed rack 1401 is meshed with the No. 2 transmission gear 1404 to drive the rotating inner nut 1403 to rotate accordingly, and then the spiral transmission drives the driving screw 1405 and the driving plate 1406 guided and limited by the limiting rod 1402 to move linearly, and the moving direction is toward the center of the bottom box 4;

[0068] Furthermore, the power shaft 13 is rotatably installed on the driving plate 1406, and the driving plate 1406 drives the power shaft 13 to move linearly synchronously. A plurality of mounting pins 1301 are fixedly installed at one end of the power shaft 13 close to the inner side of the base box 4. When the driving plate 1406 moves to the limit stroke, the mounting pins 1301 at the end of the power shaft 13 can be limitedly inserted into the meshing tooth surface 901 installed on the outer end face of the driving shaft 9. At this time, the operator can rotate the power shaft 13 and cooperate with the locking of the mounting pins 1301 and the meshing tooth surface 901 to drive the driving shaft 9 to rotate.

[0069] In summary, the present invention designs a milling cutter disc body and a replacement base, wherein the milling cutter disc body can be detachably mounted on the replacement base, and the tool handle in the milling cutter disc body is designed to include a rotatably connected connecting handle 2 and a mounting handle 1, wherein the connecting handle 2 can be fixedly connected to the tool body 3 in the milling cutter disc body, so that the operator can:

[0070] 1. When the milling cutter body of the present invention is used for metal cutting:

[0071] The milling cutter body can be removed from the replacement base, and by rotating the locking nut 503 on the mounting handle 1, the two sets of locking plugs 502 are driven to be inserted into the locking holes on the connecting handle 2. After the mounting handle 1 and the connecting handle 2 of the cutter handle are locked, the cutter handle is docked and fixed with the spindle of the machine tool, and the milling cutter body can be used;

[0072] 2. When the milling cutter disc body of the present invention is used to replace the milling cutter:

[0073] At this time, the two teams of limit columns 601 can be installed on both sides of the mounting handle 1 correspondingly, and the two pairs of limit columns 601 can be connected to the placement grooves on the two groups of clamping slide blocks on the replacement base, and then the downward pressure is applied to the milling cutter body to drive the two groups of clamping slide blocks to slide down. After the two groups of clamping slide blocks slide down to the lowest stroke, the two groups of sliding arc blocks 1101 in the clamping slide block installation cavity press and fix the two groups of limit columns 601, and the clamping slide block 60 is limited by the pulling plate 1201 in the second locking assembly 12. 2 is locked, and the transmission assembly 14 drives the power shaft 13 on the driving plate 1406 to dock with the driving shaft 9 on the mounting handle 1, so that the operator can control the power shaft 13 to rotate, drive the driving shaft 9 and the intermittent rotation assembly 7 inside the mounting handle 1 to rotate, and intermittently rotate to adjust the rotation angle of the connecting handle 2 and the cutter body 3, so as to control the installation surface of the cutter body 3 that needs to replace the milling cutter to rotate to a horizontal state in turn, so that the operator can use the disassembly tool to remove the milling cutter from the cutter body 3.

[0074] The preferred embodiments of the present invention are described in detail above, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in this field without departing from the purpose of the present invention.

Claims

1. A milling cutter disc for easy replacement of milling cutters, characterized in that: It includes a milling cutter disc body and a replacement base, and the milling cutter disc body can be detachably mounted on the replacement base; The milling cutter disc body comprises a cutter handle and a cutter body (3); a mounting hole for mounting a milling cutter is arranged in a mounting groove on a side of the cutter body (3); the cutter handle comprises a connecting handle (2) and a mounting handle (1); one end of the connecting handle (2) is fixedly connected to one side of the cutter body (3); the other end is rotatably inserted into a rotary cavity arranged at the end of the mounting handle (1); the connecting handle (2) and the mounting handle (1) are locked by a first locking assembly (5); an intermittent rotating assembly (7) for driving the connecting handle (2) to intermittently rotate is arranged at the end of the rotary cavity of the mounting handle (1); the intermittent rotating assembly (7) is transmission-connected to a driving shaft (9) on the mounting handle (1) via a linkage structure (8); The replacement base comprises a bottom box (4), one end of which is mounted a support seat (10) for supporting the bottom of a blade body (3), and the other end of which is provided with a clamping structure (6), a transmission structure and a power shaft (13). The clamping structure (6) fixes the mounting handle (1), and the power shaft (13) is transmission-connected to the clamping structure (6) through the transmission structure. When the clamping structure (6) clamps and fixes the mounting handle (1), the transmission assembly (14) drives the power shaft (13) to be transmission-connected to the drive shaft (9) on the mounting handle (1).

2. A milling cutter disc for easy replacement of a milling cutter according to claim 1, characterized in that: The first locking assembly (5) comprises two groups of limiting slide plates (501), which are slidably mounted on the outside of the mounting handle (1), and a group of locking plug blocks (502) are fixedly mounted on one side of the limiting slide plates facing the connecting handle (2), and the other end of the limiting slide plates is drivingly connected to a locking nut (503) rotatably mounted on the outside of the mounting handle (1) through a driving thread, and a locking hole for inserting the locking plug block (502) is provided on an end surface of the connecting handle (2) close to the mounting handle (1).

3. A milling cutter disc for easy replacement of a milling cutter according to claim 1, characterized in that: The intermittent rotating assembly (7) comprises a rotating disk (701), a rotating shaft (705) and a plurality of sets of locking wedges (702); The rotating disk (701) is coaxially fixedly mounted on the end surface of the connecting handle (2), and a locking groove is provided on its side for the tip of the locking wedge (702) to be locked and inserted; The number of the locking wedges (702) is consistent with the number of the milling cutters, and a plurality of mounting grooves for slidingly mounting corresponding locking wedges (702) are evenly arranged on the inner wall of the mounting handle (1), and the locking wedges (702) are elastically mounted in the corresponding mounting grooves via a No. 1 connecting spring (703); The rotary shaft (705) is rotatably mounted on the inner cavity end surface of the mounting handle (1), and a transmission plate (704) is fixedly mounted on one end of the rotary shaft (705) close to the rotary disk (701). The transmission plate (704) is elastically connected to a fixed protrusion (707) eccentrically mounted on the rotary disk (701) via a No. 2 connecting spring (706). The end of the transmission plate (704) can squeeze the corresponding locking wedge (702) to retract it into the locking groove.

4. A milling cutter disc for easy replacement of a milling cutter according to claim 3, characterized in that: The linkage structure (8) comprises a transmission worm wheel (801) and a driving worm (802); the transmission worm wheel (801) is coaxially fixedly mounted on the rotary shaft (705); the driving worm (802) is coaxially mounted on the driving shaft (9) and meshingly connected with the transmission worm wheel (801).

5. The milling cutter disc for easy replacement of the milling cutter according to claim 1, characterized in that: The clamping structure (6) comprises two groups of clamping slide plates (602) and two pairs of limiting columns (601); Two pairs of the limiting columns (601) are respectively installed at two ends of the installation handle (1); The two groups of clamping slides (602) are slidably installed in the guide rails (603) on the side plates (401) on both sides of the bottom box (4), and the two groups of clamping slides (602) are provided with two groups of placement grooves for placing the ends of the corresponding limit columns (601) on the near sides. The clamping slides (602) are installed with a fixing component (11) for locking the limit columns (601). The bottom of the clamping slides (602) is fixedly installed with multiple groups of guide columns (604), and the multiple groups of guide columns (604) are slidably installed in the guide holes at the bottom of the guide rails (603). The fixing plates installed at the ends of the multiple groups of guide columns (604) are elastically connected to the bottom of the guide rails (603) through a No. 1 return spring (605); When the clamping slide plate (602) slides down to the limit position, it is locked by the second locking assembly (12) on the side plate (401) of the bottom box (4).

6. A milling cutter disc for easy replacement of a milling cutter according to claim 5, characterized in that: The fixing assembly (11) is installed in a mounting cavity in the clamping slide plate (602), and comprises two sets of sliding arc blocks (1101), a double-headed screw rod (1102), a first transmission gear (1103) and a first fixed rack (1104); The two groups of sliding arc blocks (1101) are respectively slidably installed on the two sides of the installation cavity, and the distal ends of the two groups of sliding arc blocks (1101) are correspondingly provided with arc surfaces for adapting to the side surfaces of the clamping limit columns (601); The double-ended screw rod (1102) is rotatably mounted in the mounting cavity, and the threaded tubes at both ends thereof are correspondingly threadedly connected in the internal threaded holes near the ends of the two sets of sliding arc blocks (1101); The first transmission gear (1103) is coaxially fixedly mounted on the middle part of the double-ended screw rod (1102); The first fixed rack (1104) is fixedly mounted on the side plate (401) of the bottom box (4) and meshes with the first transmission gear (1103) for transmission.

7. A milling cutter disc for easy replacement of a milling cutter according to claim 5, characterized in that: The second locking assembly (12) comprises a limiting plate (1203), a pulling plate (1201) and a connecting column (1204); The connecting column (1204) is fixedly mounted on the side of the corresponding clamping slide plate (602); The limiting plate (1203) is fixedly mounted on the side plate (401) of the bottom box (4), and is provided with an arc-shaped limiting groove for the connecting column (1204) to limit and abut against; The pulling plate (1201) is slidably installed in a connecting groove opened on the side of the limiting plate (1203) away from the side plate (401), and is elastically connected to the limiting plate (1203) through a No. 2 return spring (1202). An arc-shaped guide surface is provided at one end of the pulling plate (1201) into which it is slidably inserted.

8. The milling cutter disc for easy replacement of the milling cutter according to claim 1, characterized in that: The transmission assembly (14) comprises a driving plate (1406), a driving screw (1405), a rotary inner nut (1403), a second transmission gear (1404) and a second fixed rack (1401); The driving plate (1406) is vertically slidably mounted on the inner side of the side plate (401) of the bottom box (4) via a plurality of groups of limiting rods (1402); One end of the driving screw rod (1405) is fixedly connected to one side of the driving plate (1406) connected to the side plate (401); The rotary inner nut (1403) is rotatably mounted on the side plate (401) correspondingly connected to the driving plate (1406), and is threadedly connected to the driving screw (1405); The second transmission gear (1404) is coaxially mounted on the outer side of the rotating inner nut (1403); The second fixed rack (1401) is fixedly connected to the corresponding clamping slide plate (602) and meshedly connected to the second transmission gear (1404).

9. A milling cutter disc for easy replacement of a milling cutter according to claim 1, characterized in that: The power shaft (13) is rotatably mounted on a driving plate (1406), and the driving plate (1406) drives the power shaft (13) to move linearly synchronously. A plurality of groups of mounting pins (1301) are fixedly mounted on one end of the power shaft (13) close to the inner side of the bottom box (4), and the mounting pins (1301) can be inserted into the meshing tooth surface (901) mounted on the outer end surface of the driving shaft (9) in a limited manner.

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