A crown latch type turret

Abstract

The present invention belongs to the technical field of turret equipment, and particularly relates to a crown pin type turret, including a cutter head seat and a rotating cutter head rotatably connected to the cutter head seat, a support shell for carrying the cutter head seat is installed on the upper end of the cutter head seat, and is characterized in that it also includes: a plurality of rotating cutter heads rotatably connected to the lower end of the rotating cutter head; a cutter head power structure, fixedly installed above the left side of the rotating cutter head; a cutter head power structure, fixedly installed above the right side of the cutter head power structure; a cutter head positioning structure, fixedly installed on the upper edge of the cutter head seat; wherein the cutter head power structure is used to drive the rotating cutter head to rotate in the cutter head seat, and one end of the cutter head power structure extends into the inner side of the rotating cutter head and is transmission-connected to the rotating cutter head. The beneficial effects of the present invention are as follows: each power and positioning structure has a simple structure, and a reasonable linkage structure is used to realize fast and accurate tool changing and locking positioning, which improves processing efficiency while ensuring the stability of the turret operation, and has a good use effect.

Description

Technical Field

[0001] The invention relates to the technical field of turret equipment, and in particular to a crown latch type turret. Background Art

[0002] The turret is an important component of processing equipment such as machine tools, and is used to cut the workpiece to be processed. The turret in the prior art is a tool head with multiple stations evenly distributed on the circumference. During the processing, when it is necessary to switch different stations, the tool head can be replaced by rotating the cutter disc.

[0003] However, the existing turret drive structure on the market is not only complex in structure, but also unstable in operation, which affects the processing accuracy. Summary of the invention

[0004] In view of the deficiencies in the prior art, the object of the present invention is to provide a crown latch type turret to solve the above problems.

[0005] The technical solution of the present invention is implemented as follows: a crown pin-type turret, comprising a cutter head seat and a rotating cutter head rotatably connected to the cutter head seat, a supporting shell for carrying the cutter head seat is installed on the upper end of the cutter head seat, characterized in that it also includes:

[0006] A plurality of rotating knife seats are rotatably connected to the lower end of the rotating knife disc;

[0007] The cutter disc power structure is fixedly installed on the upper left side of the rotating cutter disc;

[0008] The cutter seat power structure is fixedly installed on the upper right side of the cutter disc power structure;

[0009] The cutter head positioning structure is fixedly mounted on the upper edge of the cutter head seat;

[0010] The cutter disc power structure is used to drive the rotating cutter disc to rotate in the cutter disc seat, and one end of the cutter seat power structure extends into the inner side of the rotating cutter disc and is transmission-connected with the rotating cutter seat.

[0011] By adopting the above technical solution, each power and positioning structure is simple, and fast and accurate tool change and locking positioning are achieved through a reasonable linkage structure, which improves processing efficiency while ensuring the stability of turret operation and has a good use effect.

[0012] The present invention is further configured as follows: the cutter head power structure comprises:

[0013] A first motor is fixedly mounted on the outer side wall of the support housing, and an output shaft of the first motor penetrates the support housing and extends inwardly and is fixedly mounted with a screw;

[0014] A first rotating shaft, the first rotating shaft is located at the lower right of the screw rod, the middle part of the first rotating shaft is rotatably connected to the supporting shell, and the upper end of the first rotating shaft extends upward and is fixedly mounted with a worm gear matched with the screw rod;

[0015] Among them, an inner gear ring is fixedly installed on the upper end surface of the rotating cutter disc by bolts, the inner gear ring is coaxial with the rotating cutter disc, and the lower end of the first rotating shaft extends downward and is fixedly installed with a first gear meshing with the inner tooth surface of the inner gear ring.

[0016] By adopting the above technical solution, a worm gear and a screw are provided to drive the inner gear ring to drive the rotating cutter disc to rotate, which has low noise, small vibration, and small space occupation. At the same time, it can prevent the inner gear ring from reversing when changing the tool, and has high stability.

[0017] The present invention is further configured as follows: the cutter head positioning structure comprises:

[0018] A fixed seat, one side of the lower end of the fixed seat is fixedly installed on the upper edge of the cutter disc seat by bolts;

[0019] A cylindrical groove is provided in the middle of the upper end of the fixing seat;

[0020] A sliding block slides in the cylindrical groove;

[0021] A first through hole is provided in the middle of the bottom of the cylindrical groove;

[0022] A first fixing column, integrally formed at the middle portion of the lower end of the sliding block;

[0023] Among them, the outer wall of the first fixed column is against the wall of the first through hole, and a plurality of positioning holes are circumferentially arranged on the upper end of the inner gear ring for the lower end of the first fixed column to extend out of the first through hole and insert into. The positioning holes correspond one-to-one with the rotating tool holder, and the cross-sections of the first fixed column and the positioning holes are both conical.

[0024] By adopting the above technical solution, when the tool change is completed, the gear ring fixing device is started, the first fixing column extends out of the first through hole and is inserted into the positioning hole to fix the inner gear ring, preventing the rotating cutter disc of the turret from shifting due to the vibration generated during processing when processing the workpiece, and having good stability. The conical first fixing column and the positioning hole can better cooperate with each other, and the use effect is good.

[0025] The present invention is further configured as follows: the cutter head positioning structure further comprises:

[0026] A first sealing cover is fixedly mounted on the upper end of the fixing seat by bolts, and a protrusion for inserting into the notch of the cylindrical groove is integrally formed at the lower end of the first sealing cover;

[0027] A first vent hole is provided through the lower end of the cylindrical groove wall;

[0028] A second vent hole is provided on the outer side wall of the first sealing cover;

[0029] A third vent hole is provided on the lower end surface of the first sealing cover, one end of the third vent hole is connected to the second vent hole, and the other end of the third vent hole is connected to the cylindrical groove;

[0030] A second through hole is provided in the middle of the upper end of the first sealing cover;

[0031] A second fixing column, integrally formed at the upper end of the sliding block;

[0032] Throttle valve, two throttle valves are provided, and the throttle valves on both sides are fixedly installed on the outer openings of the first vent hole and the second vent hole respectively;

[0033] The second sealing cover is fixedly mounted on the middle part of the upper end of the first sealing cover by means of bolts, and the upper end of the second sealing cover is provided with a third through hole for the second fixing column to extend out;

[0034] Among them, the first through hole and the second through hole are both embedded with a first sealing ring on the hole wall, and at least two first sealing rings are provided. The second sealing ring is embedded on the outer side of the sliding block, and at least two second sealing rings are provided. An air pump connected to the throttle valve is provided on the outside of the support shell, and a third sealing ring is embedded on the outer side of the protrusion. When the first fixed column is in an extended state, the lower end of the first fixed column is inserted into the first through hole and the outer side of the lower end of the first fixed column abuts against the inner wall of the first through hole. When the first fixed column is in a retracted state, the second fixed column extends out of the third through hole, and the lower end of the first fixed column retracts to above the inner gear ring. By adopting the above technical scheme, when it is necessary to change the tool, air is taken in through the first air vent, and the sliding block is squeezed and slides up, driving the first fixed column to separate from the positioning hole, and then the rotating cutter disc rotates to switch the rotating tool seat. When the corresponding positioning hole of the switched rotating tool seat moves to the bottom of the fixed seat, under the action of the external air pump, the second air vent is ventilated, and the first air vent is exhausted, the sliding block is squeezed and slides down, and the first fixed column extends out of the first through hole again and is inserted into the positioning hole for fixation, thereby realizing the positioning and fixation of the inner gear ring. At the same time, multiple sealing rings enable the fixed seat to have multi-level sealing, which is not prone to leakage, thereby ensuring that the sliding block can move up and down normally, and the use effect is good.

[0035] The present invention is further configured as follows: a gap is provided between the lower end surface of the fixing seat and the upper end surface of the inner gear ring; an infrared sensor is further provided above the first sealing cover; and the infrared sensor is fixedly connected to the first sealing cover via an L-shaped bracket.

[0036] By adopting the above technical solution, the inner gear ring will not be scratched by the gear ring fixing device when rotating. The infrared sensor serves as a trigger switch of the first motor, and its trigger position is located at the height of the second fixing column extending out of the second through hole after the first fixing column leaves the positioning hole, ensuring that the inner gear ring will not collide with the first fixing column when rotating.

[0037] The present invention is further configured as follows: the tool holder power structure comprises:

[0038] The second motor is connected to the support housing by bolts and is located above the right side of the cutter head seat;

[0039] The fixed shaft seat is connected to the inner side of the support housing by bolts and is located below the right side of the second motor. The extension line of the axis of the fixed shaft seat is vertically arranged;

[0040] The second rotating shaft is rotatably connected to the fixed shaft seat. Both the upper and lower ends of the second rotating shaft protrude from the upper and lower ends of the fixed shaft seat. The outer side of the upper end of the second rotating shaft is connected to the output shaft of the second motor through gear transmission. The second rotating shaft is tubular;

[0041] The third rotating shaft is located inside the second rotating shaft. The lower part of the third rotating shaft extends out of the second rotating shaft and is integrally formed with a second gear;

[0042] The connecting rod is located inside the second rotating shaft. External threads are provided at both the upper and lower ends of the connecting rod. A threaded hole matching the external thread at the lower end of the connecting rod is opened in the middle of the upper end of the third rotating shaft;

[0043] The pushing mechanism is fixedly connected to the support housing and is located above the third rotating shaft;

[0044] Among them, the output end of the pushing mechanism is threadedly connected to the upper end of the third rotating shaft. A valve barrel-shaped slot matching the second gear is opened at the upper end of the rotating cutter seat, and an internal tooth surface corresponding to the teeth of the second gear is provided on the inner wall of the slot.

[0045] By adopting the above technical solution, when tool changing is required, the second motor stops rotating. The pushing mechanism drives the connecting rod and the third rotating shaft, so that the second gear at the lower end of the third rotating shaft is withdrawn from the barrel-shaped slot, and then the tool changing operation can be carried out. After the tool changing is completed, the pushing mechanism pushes the third rotating shaft through the connecting rod to insert the second gear into the barrel-shaped insertion at the upper end of the rotated cutter seat after switching. After the tooth ring fixing device is started, the second motor can be started to drive the rotating cutter seat to rotate. The structure is simple and the use effect is good.

[0046] The present invention is further arranged as: The pushing mechanism includes:

[0047] The fixing frame is in a "J" shape, and both sides of the lower end of the fixing frame are fixed to the upper end of the support housing by bolts;

[0048] The hydraulic cylinder is fixedly installed on the upper end of the fixing frame. A fourth through hole for the output shaft of the hydraulic cylinder to extend out is opened in the middle of the upper end of the fixing frame;

[0049] The support frame is located below the fixing frame and is threadedly connected to the output shaft of the hydraulic cylinder. The support frame is in a "convex" shape, and a groove is opened in the middle of the lower end of the support frame;

[0050] The clamping grooves are opened on both inner side walls of the groove;

[0051] A fourth rotating shaft, the cross section of the fourth rotating shaft is in a "T" shape and is hollow, an internal thread is provided in the fourth rotating shaft, and the fourth rotating shaft is located in the groove;

[0052] The outer sleeve of the fourth rotating shaft is provided with a ball bearing engaged with the engaging groove, and the upper end of the connecting rod extends into the fourth rotating shaft and is threadedly connected with the fourth rotating shaft.

[0053] By adopting the above technical solution, the "J"-shaped fixing frame can stably support the hydraulic cylinder, and the supporting frame cooperates with the connecting rod through the ball bearing and the fourth rotating shaft, so that the second rotating shaft will not interfere with the output shaft of the hydraulic cylinder when rotating.

[0054] The present invention is further configured as follows: the second rotating shaft comprises:

[0055] A first lumen, wherein the inner diameter of the first lumen is equal to that of the connecting rod;

[0056] The second lumen is located below the first lumen and communicates with the first lumen, the third rotating shaft slides in the second lumen, and the inner diameter of the second lumen is greater than the inner diameter of the first lumen;

[0057] The return spring is sleeved on the outside of the connecting rod and located between the first tube cavity and the third rotating shaft. A slide groove is arranged along the length direction of the second tube cavity on the inner side wall of the lower end of the second tube cavity, and a slider matching the slide groove is fixedly installed on the outside of the third rotating shaft.

[0058] By adopting the above technical solution, when the second shaft rotates, the third shaft rotates synchronously through the limiting action of the slide groove and the slide, and the third shaft can be automatically compensated through the elastic squeezing of the return spring, so that the second gear and the cylindrical slot can always maintain a close contact state with good stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0059] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0060] FIG1 is a cross-sectional view of a turret according to a specific embodiment of the present invention;

[0061] FIG2 is a partial enlarged view of a specific embodiment A of the present invention;

[0062] FIG3 is a schematic diagram of a turret structure according to a specific embodiment of the present invention. Figure 1 ;

[0063] FIG4 is a cross-sectional view of a turret according to a specific embodiment of the present invention;

[0064] FIG5 is a cross-sectional view taken along line AA of a specific embodiment of the present invention;

[0065] FIG6 is a schematic diagram of a turret structure according to a specific embodiment of the present invention. Figure 2 . DETAILED DESCRIPTION

[0066] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without creative work belong to the scope of protection of the present invention. In the description of this application, it should be noted that the terms used here are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. For ease of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. The techniques, methods and devices known to ordinary technicians in the relevant fields may not be discussed in detail, but in appropriate cases, the techniques, methods and devices should be regarded as part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, not as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0067] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application can be implemented in an order other than those illustrated or described herein, and the objects distinguished by "first", "second", etc. are generally of one type, and the number of objects is not limited. For example, the first object can be one or more. In addition, "and / or" in the specification and claims represents at least one of the connected objects, and the character " / " generally indicates that the objects associated with each other are in an "or" relationship.

[0068] It should be noted that, in the description of the present application, the orientation or positional relationship indicated by terms such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description. Unless otherwise stated, these orientation words do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present application; the orientation words "inside and outside" refer to the inside and outside relative to the contour of each component itself.

[0069] It should be noted that, in the present application, the terms "comprise", "include" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises one..." does not exclude the presence of other identical elements in the process, method, article or device including the element. In addition, it should be noted that the scope of the method and device in the embodiment of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved, for example, the described method may be performed in an order different from that described, and various steps may also be added, omitted, or combined. In addition, the features described with reference to certain examples may be combined in other examples.

[0070] Embodiment 1:

[0071] As shown in FIGS. 1 to 6 , the present invention discloses a crown latch type turret, which comprises a cutter head seat and a rotating cutter head 1 rotatably connected to the cutter head seat, wherein a supporting shell for carrying the cutter head seat is installed at the upper end of the cutter head seat, and is characterized in that it also comprises:

[0072] A plurality of rotating knife seats 2, rotatably connected to the lower end of the rotating knife disc 1;

[0073] The cutter disc power structure is fixedly installed on the upper left side of the rotating cutter disc 1;

[0074] The cutter seat power structure is fixedly installed on the upper right side of the cutter disc power structure;

[0075] The cutter head positioning structure is fixedly mounted on the upper edge of the cutter head seat;

[0076] The cutter disc power structure is used to drive the rotary cutter disc 1 to rotate in the cutter disc seat, and one end of the cutter seat power structure extends into the inner side of the rotary cutter disc 1 and is transmission-connected with the rotary cutter seat 2 .

[0077] By adopting the above technical solution, each power and positioning structure is simple, and fast and accurate tool change and locking positioning are achieved through a reasonable linkage structure, which improves processing efficiency while ensuring the stability of turret operation and has a good use effect.

[0078] Embodiment 2:

[0079] This embodiment provides a crown pin type turret, which, in addition to the technical solutions of the above embodiments, also has the following technical features:

[0080] In a further embodiment of the present invention, the cutter disc power structure includes:

[0081] The first motor 3 is fixedly mounted on the outer wall of the support housing, and the output shaft of the first motor 3 penetrates the support housing and extends inwardly and is fixedly mounted with a screw 4;

[0082] A first rotating shaft 5, which is located at the lower right of the screw rod 4, a middle portion of the first rotating shaft 5 is rotatably connected to the supporting housing, and an upper end of the first rotating shaft 5 extends upward and is fixedly mounted with a worm wheel 6 that matches the screw rod;

[0083] Among them, the upper end surface of the rotating cutter disc 1 is fixedly installed with an inner gear ring 7 by bolts, and the inner gear ring 7 is coaxial with the rotating cutter disc 1. The lower end of the first rotating shaft 5 extends downward and is fixedly installed with a first gear 8 meshing with the inner tooth surface of the inner gear ring 7. By adopting the above technical solution, the inner gear ring is driven by arranging a worm gear and a screw to drive the rotating cutter disc to rotate, which has low noise, small vibration, and small space occupation. At the same time, it can prevent the inner gear ring from reversing when changing the cutter, and has high stability.

[0084] Embodiment 3:

[0085] This embodiment provides a crown pin type turret, which, in addition to the technical solutions of the above embodiments, also has the following technical features:

[0086] In a further embodiment of the present invention, the cutter head positioning structure includes:

[0087] A fixing seat 9, one side of the lower end of the fixing seat 9 is fixed to the upper edge of the cutter head seat by bolts;

[0088] A cylindrical groove 10 is provided in the middle of the upper end of the fixing seat 9;

[0089] A sliding block 11 slides in the cylindrical groove 10;

[0090] The first through hole 12 is opened in the middle of the bottom of the cylindrical groove 10;

[0091] A first fixing column 13 is integrally formed at the middle portion of the lower end of the sliding block 11;

[0092] Among them, the outer wall of the first fixing column 13 is against the hole wall of the first through hole 12, and the upper end of the inner gear ring 7 is circumferentially provided with a plurality of positioning holes 14 for the lower end of the first fixing column 13 to extend out of the first through hole 12 and insert into. The positioning holes 14 correspond to the rotating knife seat 2 one by one, and the cross-sections of the first fixing column 13 and the positioning holes 14 are both conical.

[0093] By adopting the above technical solution, when the tool change is completed, the gear ring fixing device is started, the first fixing column extends out of the first through hole and is inserted into the positioning hole to fix the inner gear ring, preventing the rotating cutter disc of the turret from shifting due to the vibration generated during processing when processing the workpiece, and having good stability. The conical first fixing column and the positioning hole can better cooperate with each other, and the use effect is good.

[0094] Embodiment 4:

[0095] This embodiment provides a crown pin type turret, which, in addition to the technical solutions of the above embodiments, also has the following technical features:

[0096] In a further embodiment of the present invention, the cutter disc positioning structure further includes:

[0097] The first sealing cover 15 is fixed to the upper end of the fixing seat 9 by bolts, and the lower end of the first sealing cover 15 is integrally formed with a protrusion 151 for inserting into the notch of the cylindrical groove 10;

[0098] A first vent hole 16 is provided through the lower end of the wall of the cylindrical groove 10;

[0099] The second vent hole is formed on the outer wall of the first sealing cover 15;

[0100] A third vent hole is provided on the lower end surface of the first sealing cover 15, one end of the third vent hole is connected to the second vent hole, and the other end of the third vent hole is connected to the cylindrical groove 10;

[0101] The second through hole 19 is formed in the middle of the upper end of the first sealing cover 15;

[0102] A second fixing column 20 is integrally formed on the upper end of the sliding block 11;

[0103] Throttle valve 23, two throttle valves 23 are provided, and the throttle valves 23 on both sides are fixedly installed on the outer openings of the first vent hole 16 and the second vent hole respectively;

[0104] The second sealing cover 24 is fixedly mounted on the middle part of the upper end of the first sealing cover 15 by means of bolts. The upper end of the second sealing cover 24 is provided with a third through hole 25 for the second fixing column 20 to extend out;

[0105] Among them, the first through hole 12 and the second through hole 19 are both embedded with a first sealing ring 21, and at least two first sealing rings 21 are provided. The outer side of the sliding block 11 is embedded with a second sealing ring 22, and at least two second sealing rings 22 are provided. An air pump connected to the throttle valve 23 is provided outside the support shell, and a third sealing ring 26 is embedded outside the protrusion 151. When the first fixing column 13 is in an extended state, the lower end of the first fixing column 13 is inserted into the first through hole 12 and the outer side of the lower end of the first fixing column 13 abuts against the inner wall of the first through hole 12. When the first fixing column 13 is in a retracted state, the second fixing column 20 extends out of the third through hole 25, and the lower end of the first fixing column 13 retracts to above the inner gear ring 7.

[0106] By adopting the above technical scheme, when it is necessary to change the tool, the first air hole 16 takes in air, the sliding block is squeezed and slides up, driving the first fixed column to separate from the positioning hole, and then the rotating cutter disc rotates to switch the rotating tool seat. When the corresponding positioning hole of the switched rotating tool seat moves to the bottom of the fixed seat, under the action of the external air pump, the second air hole is ventilated, and the first air hole is exhausted, the sliding block is squeezed and slides down, and the first fixed column extends out of the first through hole again and is inserted into the positioning hole for fixation, thereby realizing the positioning and fixation of the inner gear ring. At the same time, multiple sealing rings enable the fixed seat to have multi-stage sealing, which is not prone to leakage, thereby ensuring that the sliding block can move up and down normally, and the use effect is good.

[0107] Embodiment 5:

[0108] This embodiment provides a crown pin type turret, which, in addition to the technical solutions of the above embodiments, also has the following technical features:

[0109] In a further embodiment of the present invention, a gap is provided between the lower end surface of the fixing seat 9 and the upper end surface of the inner gear ring 7, and an infrared sensor is further provided above the first sealing cover 15, and the infrared sensor is fixedly connected to the first sealing cover 15 via an L-shaped bracket.

[0110] By adopting the above technical solution, the inner gear ring will not be scratched by the gear ring fixing device when rotating. The infrared sensor serves as a trigger switch of the first motor, and its trigger position is located at the height of the second fixing column extending out of the second through hole after the first fixing column leaves the positioning hole, ensuring that the inner gear ring will not collide with the first fixing column when rotating.

[0111] Embodiment 6:

[0112] This embodiment provides a crown pin type turret, which, in addition to the technical solutions of the above embodiments, also has the following technical features:

[0113] In a further embodiment of the present invention, the tool holder power structure includes:

[0114] The second motor 27 is connected to the support housing by bolts and is located on the upper right of the cutter head seat;

[0115] The fixed shaft seat 28 is connected to the inner side of the supporting housing by bolts and is located at the lower right side of the second motor 27. The axis extension line of the fixed shaft seat 28 is arranged vertically;

[0116] The second rotating shaft 29 is rotatably connected to the fixed shaft seat 28. The upper and lower ends of the second rotating shaft 29 protrude from the upper and lower ends of the fixed shaft seat 28. The outer side of the upper end of the second rotating shaft 29 is connected to the output shaft of the second motor 27 through a gear transmission. The second rotating shaft 29 is tubular; the third rotating shaft 290 is located inside the second rotating shaft 29. The lower end of the third rotating shaft 290 extends out of the second rotating shaft 29 and is integrally formed with a second gear 291;

[0117] The connecting rod 30 is located in the second rotating shaft 29. The upper and lower ends of the connecting rod 30 are provided with external threads. The middle part of the upper end of the third rotating shaft 290 is provided with a threaded hole 31 that matches the external thread of the lower end of the connecting rod 30.

[0118] A pushing mechanism, fixedly connected to the supporting shell and located above the third rotating shaft 290;

[0119] The output end of the pushing mechanism is threadedly connected to the upper end of the third rotating shaft 290 . The upper end of the rotating knife seat 2 is provided with a valve cylinder-shaped slot 292 that matches the second gear 291 . The inner wall of the slot 292 is provided with an inner tooth surface corresponding to the teeth of the second gear 291 .

[0120] By adopting the above technical solution, when the tool needs to be changed, the second motor stops rotating, and the third rotating shaft of the connecting rod is driven by the pushing mechanism, so that the second gear at the lower end of the third rotating shaft is pulled out from the cylindrical slot, and then the tool change operation can be performed. When the tool change is completed, the pushing mechanism pushes the third rotating shaft through the connecting rod to insert the second gear into the cylindrical insertion at the upper end of the rotating tool seat after the switch. After the gear ring fixing device is started, the second motor can be started to drive the rotating tool seat to rotate. The structure is simple and the use effect is good.

[0121] Embodiment 7:

[0122] This embodiment provides a crown pin type turret, which, in addition to the technical solutions of the above embodiments, also has the following technical features:

[0123] In the embodiment of the present invention, the pushing mechanism includes:

[0124] A fixing frame 32, the fixing frame 32 is in a "Ji" shape, and both sides of the lower end of the fixing frame 32 are fixed to the upper end of the support housing by bolts;

[0125] A hydraulic cylinder 33, fixedly installed at the upper end of the fixing frame 32, and a fourth through hole for the output shaft of the hydraulic cylinder 33 to extend out is opened in the middle of the upper end of the fixing frame 32;

[0126] A support frame 34, the support frame 34 is located below the fixing frame 32 and is threadedly connected to the output shaft of the hydraulic cylinder 33, the support frame 34 is in a "convex" shape, and a groove 35 is opened in the middle of the lower end of the support frame 34;

[0127] A clamping groove 36, opened on both inner side walls of the groove 35; a fourth rotating shaft 37, the cross section of the fourth rotating shaft 37 is in a "T" shape and is hollow, an internal thread is provided in the fourth rotating shaft 37, and the fourth rotating shaft 37 is located in the groove 35;

[0128] Wherein, a ball bearing 38 that is engaged with the clamping groove 36 is sleeved outside the fourth rotating shaft 37, and the upper end of the connecting rod 30 extends into the fourth rotating shaft 37 and is threadedly connected thereto.

[0129] By adopting the above technical solution, the "Ji"-shaped fixing frame can stably support the hydraulic cylinder, and the support frame is matched with the connecting rod through the ball bearing and the fourth rotating shaft, so that the second rotating shaft will not interfere with the output shaft of the hydraulic cylinder when rotating.

[0130] Embodiment 8:

[0131] This embodiment provides a crown plug-type turret, in addition to including the technical solutions of the above embodiments, it also has the following technical features,

[0132] In the embodiment of the present invention, the second rotating shaft 29 includes:

[0133] A first lumen 39, the inner diameter of the first lumen 39 is equal to that of the connecting rod 30;

[0134] A second lumen 40, located below the first lumen 39 and communicating with the first lumen 39, the third rotating shaft 290 slides in the second lumen 40, and the inner diameter of the second lumen 40 is larger than that of the first lumen 39;

[0135] The return spring 41 is sleeved on the outside of the connecting rod 30 and is located between the first tube cavity 39 and the third rotating shaft 290. A slide groove is provided along the length direction of the second tube cavity 40 on the inner side wall of the lower end of the second tube cavity 40, and a slider matching the slide groove is fixedly installed on the outside of the third rotating shaft 290.

[0136] By adopting the above technical solution, when the second rotating shaft rotates, the third rotating shaft rotates synchronously through the limiting action of the sliding groove and the slide, and the third rotating shaft can be automatically compensated through the elastic squeezing of the return spring, so that the second gear and the cylindrical slot can always maintain a close contact state with good stability.

[0137] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A crown pin-type turret, comprising a cutter head seat and a rotating cutter head (1) rotatably connected to the cutter head seat, wherein a support housing for supporting the cutter head seat is mounted on the upper end of the cutter head seat, characterized in that: Further included are: A plurality of rotary tool holders (2), rotatably connected to the lower end of the rotary tool disc (1); A tool disc power structure, fixedly installed above the left side of the rotary tool disc (1); A tool holder power structure, fixedly installed above the right side of the tool disc power structure; A tool disc positioning structure, fixedly installed at the upper edge of the tool disc seat; Wherein, the tool disc power structure is used to drive the rotary tool disc (1) to rotate within the tool disc seat, and one end of the tool holder power structure extends into the inner side of the rotary tool disc (1) and is in transmission connection with the rotary tool holder (2); The tool holder power structure includes: A second motor (27), connected to the support housing by bolts and located above the right side of the tool disc seat; A fixed shaft seat (28), connected to the inner side of the support housing by bolts and located below the right side of the second motor (27), and the extension line of the axis of the fixed shaft seat (28) is vertically arranged; A second rotating shaft (29), rotatably connected to the fixed shaft seat (28), with both the upper and lower ends of the second rotating shaft (29) protruding beyond the upper and lower ends of the fixed shaft seat (28), and the outer side of the upper end of the second rotating shaft (29) is in gear transmission connection with the output shaft of the second motor (27), and the second rotating shaft (29) is tubular; A third rotating shaft (290), located inside the second rotating shaft (29), with the lower part of the third rotating shaft (290) extending out of the second rotating shaft (29) and integrally formed with a second gear (291); A connecting rod (30), located inside the second rotating shaft (29), with external threads provided at both the upper and lower ends of the connecting rod (30), and a threaded hole (31) is opened in the middle of the upper end of the third rotating shaft (290) to cooperate with the external thread at the lower end of the connecting rod (30); A pushing mechanism, fixedly connected to the support housing and located above the third rotating shaft (290); Wherein, the output end of the pushing mechanism is threadedly connected to the upper end of the third rotating shaft (290), a valve barrel-shaped slot (292) matching the second gear (291) is opened at the upper end of the rotary tool holder (2), and an internal tooth surface corresponding to the teeth of the second gear (291) is provided on the inner wall of the slot (292); The pushing mechanism includes: A fixing frame (32), in a "C" shape, with both sides of the lower end of the fixing frame (32) fixed to the upper end of the support housing by bolts; A hydraulic cylinder (33), fixedly installed at the upper end of the fixing frame (32), and a fourth through hole for the output shaft of the hydraulic cylinder (33) to extend out is opened in the middle of the upper end of the fixing frame (32); A support frame (34), located below the fixing frame (32) and threadedly connected to the output shaft of the hydraulic cylinder (33), the support frame (34) is in a "convex" shape, and a groove (35) is opened in the middle of the lower end of the support frame (34); A clamping groove (36), opened on both inner side walls of the groove (35); A fourth rotating shaft (37), with a "T" - shaped cross - section and hollow, with internal threads provided inside the fourth rotating shaft (37), and the fourth rotating shaft (37) is located in the groove (35); Wherein, a ball bearing (38) that engages with the clamping groove (36) is sleeved outside the fourth rotating shaft (37), and the upper end of the connecting rod (30) extends into the fourth rotating shaft (37) and is threadedly connected thereto.

2. The crown latch type turret according to claim 1, characterized in that: The tool disc power structure includes: A first motor (3) is fixedly mounted on the outer wall of the support housing, the output shaft of the first motor (3) passing through the support housing, extending inwardly and having a screw rod (4) fixedly mounted thereon; A first rotating shaft (5), the first rotating shaft (5) is located at the lower right side of the screw rod (4), the middle part of the first rotating shaft (5) is rotatably connected to the supporting shell, and the upper end of the first rotating shaft (5) extends upward and is fixedly mounted with a worm gear (6) that matches the screw rod (4); An inner gear ring (7) is fixedly mounted on the upper end surface of the rotating cutter disc (1) by means of bolts, the inner gear ring (7) is coaxial with the rotating cutter disc (1), and a first gear (8) meshing with the inner tooth surface of the inner gear ring (7) is fixedly mounted on the lower end of the first rotating shaft (5) extending downward.

3. A crown pin type turret according to claim 2, characterized in that: The cutter head positioning structure includes: A fixed seat (9), wherein one side of the lower end of the fixed seat (9) is fixedly mounted on the upper edge of the cutter head seat by means of bolts; A cylindrical groove (10) is provided in the middle of the upper end of the fixing seat (9); A sliding block (11) slides in the cylindrical groove (10); A first through hole (12) is formed in the middle of the bottom of the cylindrical groove (10); A first fixing column (13) is integrally formed at the middle portion of the lower end of the sliding block (11); The outer wall of the first fixing column (13) abuts against the wall of the first through hole (12), and a plurality of positioning holes (14) are provided in the circumferential direction of the upper end of the inner gear ring (7) for the lower end of the first fixing column (13) to extend out of the first through hole (12) and to be inserted into, the positioning holes (14) correspond one to one with the rotating knife seat (2), and the cross-sections of the first fixing column (13) and the positioning holes (14) are both conical.

4. A crown pin type turret according to claim 3, characterized in that: The cutter head positioning structure also includes: A first sealing cover (15) is fixedly mounted on the upper end of the fixing seat (9) by means of bolts, and a protrusion (151) is integrally formed on the lower end of the first sealing cover (15) for inserting into the notch of the cylindrical groove (10); A first vent hole (16) is formed through the lower end of the wall of the cylindrical groove (10); A second vent hole is formed on the outer wall of the first sealing cover (15); A third vent hole is provided on the lower end surface of the first sealing cover (15), one end of the third vent hole is connected to the second vent hole, and the other end is connected to the columnar groove (10); a second through hole (19) is provided in the middle of the upper end of the first sealing cover (15); a second fixing column (20) is integrally formed on the upper end of the sliding block (11); and a throttle valve (23), two throttle valves (23) are provided, and the throttle valves (23) on both sides are fixedly mounted on the outer openings of the first vent hole (16) and the second vent hole respectively; A second sealing cover (24) is fixedly mounted on the middle portion of the upper end of the first sealing cover (15) by means of bolts, and a third through hole (25) is provided at the upper end of the second sealing cover (24) for the second fixing column (20) to extend out; A first sealing ring (21) is embedded in the hole wall of the first through hole (12) and the second through hole (19), and at least two first sealing rings (21) are provided. A second sealing ring (22) is embedded in the outer side of the sliding block (11), and at least two second sealing rings (22) are provided. An air pump connected to the throttle valve (23) is provided outside the support shell, and a third sealing ring (26) is embedded outside the protrusion (151). When the first fixing column (13) is in an extended state, the lower end of the first fixing column (13) is inserted into the first through hole (12) and the outer side of the lower end of the first fixing column (13) abuts against the inner wall of the first through hole (12). When the first fixing column (13) is in a retracted state, the second fixing column (20) extends out of the third through hole (25), and the lower end of the first fixing column (13) is retracted to above the inner gear ring (7).

5. A crown latch type turret according to claim 4, characterized in that: A gap is provided between the lower end surface of the fixing seat (9) and the upper end surface of the inner gear ring (7). An infrared sensor is also provided above the first sealing cover (15). The infrared sensor is fixedly connected to the first sealing cover (15) via an L-shaped bracket.

6. The crown latch type turret according to claim 1, characterized in that: The second rotating shaft (29) comprises: A first tubular cavity (39), wherein the inner diameter of the first tubular cavity (39) is equal to that of the connecting rod (30); A second tubular cavity (40) is located below the first tubular cavity (39) and is in communication with the first tubular cavity (39). The third rotating shaft (290) slides in the second tubular cavity (40). The inner diameter of the second tubular cavity (40) is greater than the inner diameter of the first tubular cavity (39). The return spring (41) is sleeved on the outside of the connecting rod (30) and is located between the first tube cavity (39) and the third rotating shaft (290), wherein a slide groove is provided on the inner side wall of the lower end of the second tube cavity (40) along the length direction of the second tube cavity (40), and a sliding block matching the slide groove is fixedly installed on the outside of the third rotating shaft (290).

Images