CN214444573U - Adjusting mechanism for gantry machining center for noise reduction in resonant mode - Google Patents

Abstract

The invention discloses an adjusting mechanism of a gantry machining center for resonant noise reduction, wherein the gantry machining center comprises a base, an auxiliary device and a stabilizing device, the stabilizing device is arranged in the middle of the right end of the top of a support, and the auxiliary device comprises a transmission case, a first motor, an adjusting mechanism and a contact mechanism; according to the invention, the auxiliary device is embedded in the front end of the base, the transmission box is installed in the auxiliary device, the transmission element in the transmission box is driven by the independent motor to drive the front end contact mechanism to extend out and contact with a connecting wall surface or supporting equipment, and a plurality of groups of buffer columns are installed in the contact mechanism, so that a certain buffer effect is provided when the contact is stable, and the stability is effectively realized; the adjusting mechanism is installed between the back of the contact mechanism and the transmission case, the linkage part is installed in the middle of the adjusting mechanism, the steering parts are installed at the front end and the rear end of the linkage part, the contact mechanism connected with the front end can be adjusted at multiple angles, and the contact mechanism is convenient to connect with contact positions with different angles.

Description

Adjusting mechanism for gantry machining center for noise reduction in resonant mode

Technical Field

The invention relates to the field related to gantry machining centers, in particular to an adjusting mechanism of a gantry machining center for resonant noise reduction.

Background

The gantry machining center is a machining center with a main shaft axis perpendicular to a workbench, the whole structure is a gantry frame, the gantry frame is composed of double upright columns and a top beam [1], and a cross beam is arranged in the middle. The method is particularly suitable for processing large workpieces and workpieces with complex shapes. The gantry machining center can complete the procedures of milling, boring, drilling, tapping, thread cutting and the like, is at least three-axis two-linkage, generally can realize three-axis three-linkage, and can control five axes and six axes in some cases.

In the actual use process of the existing resonant type noise reduction gantry machining center, the bottom of the support is buffered when the resonant type noise reduction gantry machining center is used, front and back vibration is easy to occur at the front end and the back end, certain noise exists, manual work is needed to bond buffering parts between the front end and the back end and a wall surface or a contact surface of supporting equipment, manpower is consumed, and when an external feeding mechanism needs to be installed at the right end, connection stability is weak and connection is inconvenient.

Disclosure of Invention

Therefore, in order to solve the above-mentioned disadvantages, the present invention provides an adjusting mechanism for a gantry machining center capable of reducing noise in a resonant mode, wherein the adjusting mechanism can be used for reducing noise greatly.

The invention is realized in such a way that an adjusting mechanism of a gantry machining center for resonant noise reduction is constructed, the gantry machining center comprises a base, an auxiliary device and a stabilizing device, a resonant noise reduction device main body is fixed on the top of the base, a support is installed on the top of the resonant noise reduction device main body, the auxiliary device is embedded in the front end of the support, the stabilizing device is installed in the middle of the right end of the top of the support, the auxiliary device comprises a transmission case, a first motor, an adjusting mechanism and a contact mechanism, the adjusting mechanism comprises a fixed disc, a first steering piece, a linkage piece, a second steering piece and a connecting disc, the middle part of the back surface of the fixed disc and the left and right ends of the fixed disc are respectively fixed with a push rod and a guide rod, the first steering piece is fixed in the middle of the front end of the fixed disc, the front end in the first steering piece is hinged with the second steering piece through the linkage piece, the connecting disc is fixed in the middle of the front end of the second steering piece, the front end of the connecting disc is connected with the contact mechanism.

The base back is fixed with the backplate, support top rear end vertical fixation has the portal frame, support top mid-mounting has Y axle slip table main part, Y axle slip table main part top middle part meets with the workstation, the terminal surface upper end is provided with X axle slip table main part before the portal frame, the terminal surface left end is provided with Z axle slip table main part before the X axle slip table main part, the fixing base is installed to terminal surface lower extreme before the Z axle slip table main part, the middle part embedding has the cutter in the fixing base.

The top of the transmission case is fixed with the inner top of the support, the rear end of the bottom of the transmission case is provided with a first motor, an adjusting mechanism is mounted on the front end face of the transmission case, and the front end of the adjusting mechanism is connected with a contact mechanism.

The transmission case comprises a case body, a fixing part, a connecting rod, a sliding block, a sliding part, a push rod and a guide rod, wherein the fixing part is fixed in the middle of the rear end in the case body, the connecting rod is installed at the rear end of the top of the fixing part, and the middle in the connecting rod is connected with an output shaft at the top of the first motor.

The connecting rod in the front end and the slider articulate, the slider activity embedding is to slider in the rear end, the slider front end meets with the push rod, the push rod front end runs through the box and meets with adjustment mechanism, both ends are provided with the guide arm about the front end in the box to the guide arm front end runs through the box and meets with both ends about the adjustment mechanism back.

The stabilizing device comprises a second motor, a driving pulley, a synchronous belt, a driven pulley, a transmission shaft and a fixing mechanism, wherein the bottom of the second motor is connected with the right end of the top of the support, and an output shaft at the back of the second motor is connected with the driving pulley.

The outer diameter surface of the driving belt wheel rotates synchronously with the driven belt wheel through a synchronous belt, the middle part of the driven belt wheel is connected with the transmission shaft, and the front end and the rear end of the transmission shaft are connected with the fixing mechanism.

The fixing mechanism comprises a base, a driving rod, a linkage rod, a swinging piece, a guide rod and a guide post, the bottom of the base is fixed with the support, the driving rod is arranged at the upper right end in the base, the lower end in the driving rod is connected with the transmission shaft, the upper end in the driving rod is hinged to the linkage rod, and the upper end in the linkage rod is hinged to the swinging piece.

The inner right end of the swinging piece is hinged to the guide rod, the inner left end of the guide rod is hinged to the base, the inner left end of the swinging piece is connected to the guide column, and the back of the guide column is fixed to the base.

The right side of the swinging piece is arc-shaped, and a rubber layer is bonded at the right end of the bottom of the swinging piece; and the left end in the swinging piece is provided with a guide groove, and the left end in the guide groove is movably embedded by the guide post.

The invention has the following advantages: the invention provides an auxiliary device through improvement, wherein an adjusting mechanism in the auxiliary device is applied to a resonant type noise reduction gantry machining center, so that compared with the same type of equipment, the gantry machining center has the following improvements:

according to the resonant noise reduction gantry machining center, the adjusting mechanism is arranged between the back face of the contact mechanism and the transmission case, the linkage part is arranged in the middle of the adjusting mechanism, and the steering parts are arranged at the front end and the rear end of the linkage part, so that the contact mechanism connected with the front end can be adjusted in multiple angles, and the contact mechanism can be conveniently connected with contact positions with different angles.

Drawings

FIG. 1 is a schematic structural diagram of a resonant noise reduction gantry machining center according to the present invention;

FIG. 2 is a schematic view of the structure of the auxiliary device of the present invention;

FIG. 3 is a schematic view of the internal structure of the transmission case of the present invention;

FIG. 4 is a schematic view of the adjusting mechanism of the present invention;

FIG. 5 is a schematic view of the contact mechanism of the present invention;

FIG. 6 is a schematic view of the anchoring device of the present invention;

fig. 7 is a schematic view of the fixing mechanism of the present invention.

Wherein: a base-1, a resonance noise reduction device main body-2, a support-3, an auxiliary device-4, a stabilizing device-5, a back plate-6, a portal frame-7, a Y-axis sliding table main body-8, a workbench-9, an X-axis sliding table main body-10, a Z-axis sliding table main body-11, a fixed seat-12, a cutter-13, a transmission case-41, a first motor-42, an adjusting mechanism-43, a contact mechanism-44, a box body-411, a fixed part-412, a connecting rod-413, a sliding block-414, a sliding part-415, a push rod-416, a guide rod-417, a fixed disk-431, a first steering part-432, a linkage part-433, a second steering part-434, a connecting disk-435, a locking disk-441, a mounting disk-442, a fixing disk-417, a fixing disk-431, a first steering part-432, a second steering part-433, a second steering part-434, a connecting disk-435, a locking disk-441, a mounting disk-442, a fixing disk-13, a fixing disk, buffer column-443, pressure plate-444, second motor-51, driving pulley-52, synchronous belt-53, driven pulley-54, transmission shaft-55, fixing mechanism-56, base-561, driving rod-562, linkage rod-563, swinging piece-564, guide rod-565, guide column-566, slide groove-4111 and guide groove-5641.

Detailed Description

The present invention will be described in detail below with reference to fig. 1 to 7, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1, the resonant noise reduction gantry machining center provided by the invention through improvement comprises a base 1, a resonant noise reduction device main body 2 is fixed on the top of the base 1, a support 3 is installed on the top of the resonant noise reduction device main body 2, a back plate 6 is fixed on the back of the base 1, a gantry 7 is vertically fixed on the rear end of the top of the support 3, a Y-axis sliding table main body 8 is installed in the middle of the top of the support 3, the middle of the top of the Y-axis sliding table main body 8 is connected with a workbench 9, an X-axis sliding table main body 10 is arranged at the upper end of the front end face of the gantry 7, a Z-axis sliding table main body 11 is arranged at the left end of the front end face of the X-axis sliding table main body 10, a fixed seat 12 is installed at the lower end of the front end face of the Z-axis sliding table main body 11, a cutter 13 is embedded in the middle of the fixed seat 12, an auxiliary device 4 is embedded in the front end of the support 3, and a stabilizing device 5 is installed in the middle of the right end of the top of the support 3.

Referring to fig. 2, the present invention provides a resonant noise reduction gantry machining center by improving, wherein the auxiliary device 4 includes a transmission box 41, a first motor 42, an adjusting mechanism 43 and a contact mechanism 44, the top of the transmission box 41 is fixed to the top of the inside of the support 3, the first motor 42 is disposed at the rear end of the bottom of the transmission box 41, the adjusting mechanism 43 is mounted on the front end surface of the transmission box 41, and the front end of the adjusting mechanism 43 is connected to the contact mechanism 44.

Referring to fig. 3, the present invention provides a resonant noise reduction gantry machining center by improving, a transmission case 41 includes a case 411, a fixing member 412, a connecting rod 413, a slider 414, a slider 415, a push rod 416 and a guide rod 417, the fixing member 412 is fixed in the middle of the rear end in the case 411, the connecting rod 413 is installed at the rear end of the top of the fixing member 412, the middle in the connecting rod 413 is connected to an output shaft at the top of a first motor 42, the front end in the connecting rod 413 is hinged to the slider 414, the slider 414 is movably inserted into the rear end in the slider 415, the front end of the slider 415 is connected to the push rod 416, the front end of the push rod 416 is connected to an adjusting mechanism 43 through the case 411, the guide rods 417 are installed at the left and right ends of the front end in the case 411, the front end of the guide rods 417 is connected to the left and right ends of the back of the adjusting mechanism 43 through the case 411, a slide groove 4121 is opened in the middle of the front end of the top of the fixing member 412, and the rear end of the push rod 416 is movably inserted into the middle in the slide groove 4121, resulting in stable guidance of the push rod 416.

Referring to fig. 4, the present invention provides a resonant noise reduction gantry machining center by improving, wherein the adjusting mechanism 43 includes a fixed disk 431, a first steering member 432, a linkage member 433, a second steering member 434 and a connecting disk 435, the middle portion and the left and right ends of the back surface of the fixed disk 431 are respectively fixed with the push rod 416 and the guide rod 417, the middle portion of the front end of the fixed disk 431 is fixed with the first steering member 432, the front end of the first steering member 432 is hinged with the second steering member 434 through the linkage member 433, the middle portion of the front end of the second steering member 434 is fixed with the connecting disk 435, and the front end of the connecting disk 435 is connected with the contact mechanism 44.

Referring to fig. 5, the present invention provides a resonant noise reduction gantry machining center by improvement, wherein the contact mechanism 44 includes a locking disk 441, a mounting disk 442, buffer posts 443, and a pressure plate 444, the back of the locking disk 441 is fixed to the connection disk 435 through bolts, the front end surface of the locking disk 441 is connected to the mounting disk 442, the front end surface of the mounting disk 442 is connected to the pressure plate 444 through the buffer posts 443, the buffer posts 443 are eight, and each two of the eight buffer posts 443 are distributed between the mounting disk 442 and the pressure plate 444 as a group at four ends, so that the damping effect is good, the buffer posts 443 are made of rubber material, the damping effect is good, and the durability is strong.

Referring to fig. 6, the present invention provides a resonant noise reduction gantry machining center by improving, wherein the stabilizing device 5 includes a second motor 51, a driving pulley 52, a synchronous belt 53, a driven pulley 54, a transmission shaft 55 and a fixing mechanism 56, the bottom of the second motor 51 is connected to the right end of the top of the support 3, an output shaft at the back of the second motor 51 is connected to the driving pulley 52, the outer diameter surface of the driving pulley 52 is synchronously rotated with the driven pulley 54 through the synchronous belt 53, the inner middle portion of the driven pulley 54 is connected to the transmission shaft 55, and the front and rear ends of the transmission shaft 55 are connected to the fixing mechanism 56.

Referring to fig. 7, the present invention provides a resonant noise reduction gantry machining center by improving, wherein the fixing mechanism 56 includes a base 561, a driving rod 562, a link rod 563, a swinging member 564, a guiding rod 565 and a guiding post 566, the bottom of the base 561 is fixed to the support 3, the upper right end of the base 561 is provided with the driving rod 562, the lower end of the driving rod 562 is connected to the transmission shaft 55, the upper end of the driving rod 562 is hinged to the link rod 563, the upper end of the link rod 563 is hinged to the swinging member 564, the right end of the swinging member 564 is hinged to the guiding rod 565, the left end of the guiding rod 565 is hinged to the base 561, the left end of the swinging member 564 is connected to the guiding post 566, the back of the guiding post 566 is fixed to the base 561, the right side of the swinging member 564 is arc-shaped, and a rubber layer is bonded to the bottom of the swinging member 564, which has good fixing effect and large friction, the left end of the swinging member 564 is provided with a guiding groove 5641, and the left end is inserted by the activity of guide post 566 in the guide way 5641, conveniently provides the direction to swinging piece 564 during the transmission, and swinging piece 564 adopts alloy steel material, and intensity is high, and stability is strong.

Example two

According to the resonant noise-reduction gantry machining center provided by the invention, through improvement, guide sleeves are fixed at the left end and the right end of the front end in the box body 411, and the guide rod 417 penetrates through the guide sleeves, so that the guide rod 417 can be conveniently and stably guided to move; a silica gel layer is bonded at the connecting positions of the four ends of the linkage member 433 and the first steering member 432 and the second steering member 434, so that the friction is large, the stability is strong after adjustment, and the deflection is not easy to occur; a rubber layer is bonded on the front end face of the pressure plate 444, so that stable adhesive force is conveniently provided, and the fixing property is good; the left, middle and right positions of the upper end of the base 561 are both convex, and the convex position in the middle of the base 561 is larger than the convex heights of the two ends, so that the swinging piece 564 can be conveniently driven stably.

The patent states: the Y-axis sliding table main body 8, the X-axis sliding table main body 10, the Z-axis sliding table main body 11 and the resonant noise reduction device main body 2 are all known technologies, the three groups of sliding table main bodies are internally composed of motors, lead screws, sliding plates, sliding rails and sliding blocks, the motors drive the lead screws to move, so that the sliding plates horizontally move on the sliding rails through the sliding blocks, and the three groups of sliding tables realize three-dimensional movement, so that a cutter can conveniently perform three-axis machining; the resonance noise reduction device main body 2 is internally composed of a resonant cavity and two groups of resonant blocks, and the resonant blocks are connected with the bottom of the support 3 to buffer and absorb shock, so that the purpose of noise reduction is achieved.

The invention provides a resonant type noise reduction gantry machining center through improvement, and the working principle is as follows;

firstly, when the equipment needs to be used, the equipment is firstly placed at a position where the equipment needs to be used, then the electric control equipment is installed on the equipment, and then the power supply is connected, so that the electric energy can be provided for the equipment, and the equipment can be effectively controlled;

secondly, the user brings the front end of the device close to the wall surface or some supporting devices, then the user starts the first motor 42 to work, the output shaft at the top of the first motor 42 drives the connecting rod 413 to rotate, when the connecting rod 413 rotates, the sliding block 414 can push the sliding part 415, then the push rod 416 connected with the front end can push the adjusting mechanism 43 and the contact mechanism 44 at the front end, and in the pushing process, the guide rods 417 connected with the two ends of the back of the adjusting mechanism 43 can provide a stable guiding effect for the movement of the adjusting mechanism 43;

thirdly, when the pressure plate 444 at the front end of the contact mechanism 44 is in contact with the wall surface, stable connection can be achieved, and the back surface of the pressure plate 444 is connected with the mounting plate 442 through the buffer post 443, so that stable buffering is achieved when vibration is generated;

fourthly, if the angles of the contact surfaces are different, the user can apply force to the contact mechanism 44, and the back of the contact mechanism 44 can rotate on the linkage member 433 at multiple angles through the second steering member 434, so that the angle of the front end of the contact mechanism 44 can be adjusted;

fifthly, when the right end of the device needs to be provided with the feeding device, a user can stick the left end of the supporting frame arranged at the lower end of the feeding device to the base 1, then the user starts the second motor 51 to work, the output shaft at the back of the second motor 51 drives the driving pulley 52 to rotate, the driving pulley 52 drives the driven pulley 54 to rotate through the synchronous belt 53, the transmission shaft 55 at the middle part in the driven pulley 54 can drive the driving rod 562 in the front and rear end fixing mechanisms 56 to rotate, when the driving rod 562 rotates, the linkage rod 563 at the upper end is driven, and then the linkage rod 563 can pull down the swinging piece 564, then the guide rod 565 at the upper end of the swinging piece 564 and the guide groove 5641 at the left end are guided downwards in the guide column 566 to be stably pressed downwards, so that the right end of the swinging piece 564 can be stably clamped on the support frame at the lower end of the external feeding equipment to realize stable connection;

sixthly, after the connection is completed, the workpiece to be processed is placed on the workbench 9 by the user, then the user starts three groups of sliding tables of the Y-axis sliding table main body 8, the X-axis sliding table main body 10 and the Z-axis sliding table main body 11 to move, so that the three-axis rotation can be realized, and then the workpiece can be cut by starting the cutter 13.

The invention provides a resonant noise reduction gantry machining center through improvement, an auxiliary device 4 is embedded in the front end of a base 1, a transmission case 41 is installed in the auxiliary device 4, a transmission element in the transmission case 41 is driven by an independent motor to drive a front end contact mechanism 44 to extend out and contact a connecting wall surface or supporting equipment, a plurality of groups of buffer columns 443 are installed in the contact mechanism 44, and when the contact is stable, a certain buffer effect is provided, so that the stability is effectively realized; an adjusting mechanism 43 is arranged between the back surface of the contact mechanism 44 and the transmission case 41, a linkage member 433 is arranged in the middle of the adjusting mechanism 3, and steering members are arranged at the front end and the rear end of the linkage member 433, so that the contact mechanism 44 connected with the front end can be adjusted at multiple angles, and the contact mechanism 44 can be conveniently connected with contact positions at different angles; install securing device 5 at 3 top right-hand members of support, install fixed establishment 56 in securing device 5, fixed establishment 56 is by independent motor drive, drives fixed establishment 56 motion back, can realize that two sets of swing pieces 564 carry out fast and stable's fixing to the support frame of the feeder equipment lower extreme that the right-hand member inserted, prevent to take place to rock, reduce artificial operation.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described, and the standard parts used in the present invention are all available on the market, the special-shaped parts can be customized according to the description and the accompanying drawings, the specific connection mode of each part adopts the conventional means of bolt and rivet, welding and the like mature in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described herein.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides an adjustment mechanism for gantry machining center that resonant mode was fallen and is made an uproar, gantry machining center include base (1), auxiliary device (4) and securing device (5), base (1) top is fixed with resonance and falls the device main part of making an uproar (2), and support (3) are installed at resonance and fall device main part of making an uproar (2) top, the front end embedding has auxiliary device (4) in support (3), support (3) top right-hand member mid-mounting has securing device (5), auxiliary device (4) include transmission case (41), first motor (42), adjustment mechanism (43) and contact mechanism (44), its characterized in that: adjustment mechanism (43) include fixed disk (431), first steering (432), linkage (433), second steering (434) and connection pad (435), fixed disk (431) back middle part is fixed with push rod (416) and guide arm (417) respectively with controlling both ends, fixed disk (431) front end middle part is fixed with first steering (432), front end is articulated through linkage (433) and second steering (434) in first steering (432), second steering (434) front end middle part is fixed with connection pad (435), connection pad (435) front end meets with contact mechanism (44).

2. The adjusting mechanism for the gantry machining center for resonant noise reduction according to claim 1, wherein: base (1) back is fixed with backplate (6), support (3) top rear end vertical fixation has portal frame (7), support (3) top mid-mounting has Y axle slip table main part (8), Y axle slip table main part (8) top middle part meets with workstation (9), the terminal surface upper end is provided with X axle slip table main part (10) before portal frame (7), the terminal surface left end is provided with Z axle slip table main part (11) before X axle slip table main part (10), fixing base (12) are installed to terminal surface lower extreme before Z axle slip table main part (11), middle part embedding has cutter (13) in fixing base (12).

3. The adjusting mechanism for the gantry machining center for resonant noise reduction according to claim 1, wherein: the top is fixed in transmission case (41) top and support (3), transmission case (41) bottom rear end is provided with first motor (42), adjustment mechanism (43) are installed to the terminal surface before transmission case (41), adjustment mechanism (43) front end meets with contact mechanism (44).

4. The adjusting mechanism of the gantry machining center for resonant noise reduction according to claim 3, wherein: the transmission case (41) comprises a case body (411), a fixing piece (412), a connecting rod (413), a sliding block (414), a sliding piece (415), a push rod (416) and a guide rod (417), wherein the fixing piece (412) is fixed in the middle of the inner rear end of the case body (411), the connecting rod (413) is installed at the rear end of the top of the fixing piece (412), and the middle of the inner middle of the connecting rod (413) is connected with an output shaft at the top of a first motor (42).

5. The adjusting mechanism of the gantry machining center for resonant noise reduction according to claim 4, wherein: the inner front end of the connecting rod (413) is hinged to the sliding block (414), the sliding block (414) is movably embedded into the inner rear end of the sliding piece (415), the front end of the sliding piece (415) is connected with the push rod (416), the front end of the push rod (416) penetrates through the box body (411) to be connected with the adjusting mechanism (43), guide rods (417) are arranged at the left end and the right end of the inner front end of the box body (411), and the front end of each guide rod (417) penetrates through the box body (411) to be connected with the left end and the right end of the back face of the adjusting mechanism (43).

6. The adjusting mechanism for the gantry machining center for resonant noise reduction according to claim 1, wherein: the stabilizing device (5) comprises a second motor (51), a driving pulley (52), a synchronous belt (53), a driven pulley (54), a transmission shaft (55) and a fixing mechanism (56), wherein the bottom of the second motor (51) is connected with the right end of the top of the support (3), and an output shaft on the back of the second motor (51) is connected with the driving pulley (52).

7. The adjusting mechanism of the gantry machining center for resonant noise reduction according to claim 6, wherein: the outer diameter surface of the driving pulley (52) is synchronously rotated with a driven pulley (54) through a synchronous belt (53), the middle part in the driven pulley (54) is connected with a transmission shaft (55), and the front end and the rear end of the transmission shaft (55) are connected with a fixing mechanism (56).

8. The adjusting mechanism of the gantry machining center for resonant noise reduction according to claim 6 or 7, wherein: fixed establishment (56) include base (561), drive rod (562), gangbar (563), swinging piece (564), guide bar (565) and guide post (566), base (561) bottom is fixed with support (3), the upper right end is provided with drive rod (562) in base (561), the lower extreme meets with transmission shaft (55) in drive rod (562), the upper end is articulated with gangbar (563) in drive rod (562), the upper end is articulated with swinging piece (564) in gangbar (563).

9. The adjusting mechanism of the gantry machining center for resonant noise reduction according to claim 8, wherein: the inner right end of the swinging piece (564) is hinged with the guide rod (565), the inner left end of the guide rod (565) is hinged with the base (561), the inner left end of the swinging piece (564) is connected with the guide post (566), and the back of the guide post (566) is fixed with the base (561).

10. The adjusting mechanism of the gantry machining center for resonant noise reduction according to claim 8, wherein: the right side of the swinging piece (564) is arc-shaped, and a rubber layer is bonded at the right end of the bottom of the swinging piece (564); and the inner left end of the swinging piece (564) is provided with a guide groove (5641), and the inner left end of the guide groove (5641) is movably embedded by a guide post (566).

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