TW202206218A - Equal spacing adjastment mechanism - Google Patents

Abstract

The present invention is an equal spacing adjustment mechanism, which mainly defines a connecting section, two first sections and two second sections on a rod. Two first sections are respectively located at both ends of the connecting section, and two second sections connect the two first sections respectively. The connecting section, the first section and the second section are respectively provided with a fixed follower, a first follower and a second follower, wherein the surfaces of the first section and the second section are respectively provided with a first thread and a second thread, and the pitch of the second thread is twice that of the first thread. When the rod rotates, the two first followers and the two second followers will move along the rod relative to the fixed follower, and the gap between fixed follower and first follower will be the same as the gap between the first follower and the second follower.

Description

Isometric adjustment mechanism

The present invention relates to an equidistant adjustment mechanism, which can equidistantly adjust a plurality of driven members arranged on a rod body, so as to improve the convenience of use.

Please refer to FIG. 1, which is a side view of a conventional cutting mechanism. As shown in the figure, the cutting mechanism 10 includes a first lower conveyor belt 111, a second lower conveyor belt 113, a first upper conveyor belt 131, a second upper conveyor belt 133 and a cutter 15, wherein the first lower conveyor belt 131 There is a conveying height 14 between the conveying belt 111 and the first upper conveying belt 131 and between the second lower conveying belt 113 and the second upper conveying belt 133 .

The first lower conveyor belt 111 and the first upper conveyor belt 131 can be used to transport the objects to be cut 12 between them, and to move the objects to be cut 12 toward the direction of the second lower conveyor belt 113 and the second upper conveyor belt 133 delivery.

The second upper conveyor belt 133 is adjacent to the first upper conveyor belt 131, and there is a gap 16 therebetween, while the second lower conveyor belt 113 is adjacent to the first lower conveyor belt 111, and there is a gap 16 therebetween. There is a gap 16 therebetween. The cutter 15 is located between the first upper conveyor belt 131 and the second upper conveyor belt 133 and above the gap 16 therebetween.

After the first lower conveyor belt 111 , the second lower conveyor belt 113 , the first upper conveyor belt 131 and the second upper conveyor belt 133 transport the object to be cut 12 to a predetermined position, the cutter 15 will move toward the object to be cut. 12, and enter the gap 16 between the first upper conveyor belt 131 and the second upper conveyor belt 133 and the first lower conveyor belt 111 and the second lower conveyor belt 113, thereby cutting the object to be cut 12 , and generate a plurality of objects 121 .

The above-mentioned cutting mechanism 10 mainly adjusts the length of the object 121 produced after cutting by adjusting the speed of conveying the object 12 to be cut by the conveyor belt or adjusting the cutting frequency of the cutter 15, but the above-mentioned cutting mechanism 10 still exists The problem of poor cutting efficiency.

An object of the present invention is to provide an isometric adjustment mechanism, which mainly defines a plurality of sections on a rod body, and sets threads with different pitches on the surface of each section, and the threads on each section are The pitch increases gradually from the center of the rod body to both ends. A plurality of follower parts are respectively arranged on each section of the rod body. When the rod body rotates, the follower parts located on both sides of the center of the rod body will be displaced along the rod body, and the center of the rod body is symmetrical. Points move closer or further away from the center. When each follower is displaced along the rod body, the distance between each adjacent follower will remain the same, thereby achieving the purpose of adjusting each follower at an equal distance.

An object of the present invention is to provide an isometric adjustment mechanism, wherein the number of the follower members arranged on the rod body is an odd number, and they are respectively arranged on each section of the rod body. The surface of the section located in the center of the rod body will not be provided with threads, and the two sides of the section in the center of the rod body are respectively set with the first section, the second section, ... and the nth section in sequence, of which the second section The threads on the segment have twice the pitch of the first segment and the threads on the nth segment have n times the pitch of the first segment.

An object of the present invention is to provide an isometric adjustment mechanism, wherein the number of followers arranged on the rod body is an even number, and they are respectively arranged on each section of the rod body, and each follower is arranged in the shape of the rod body. Centrosymmetric setup. The first section is located in the center of the rod body, and the second section, ... and the nth section are arranged on both sides of the first section in sequence, wherein the pitch of the thread on the second section is three times that of the first section. times, and the pitch of the thread on the nth segment is (2n-1) times that of the first segment.

An object of the present invention is to provide an equidistant adjustment mechanism, which is especially suitable for a cutting machine, wherein each follower can be connected to a cutting knife or a conveying unit, and can adjust each of the cutting machines in an equidistant manner. Knives and/or individual conveying units. Specifically, the cutting machine can adjust the spacing of each cutter and/or conveying unit according to the length of the object to be cut, so that the cutting machine can cut the object to be cut into a plurality of objects of equal length, and can effectively Reduce the waste of the cut objects after cutting, or prevent the formation of unequal length objects.

In order to achieve the above object, the present invention provides an isometric adjustment mechanism, comprising: a connecting section; at least one fixed follower arranged on the connecting section; at least one first section connecting one end of the connecting section, A first external thread is arranged on the surface of the first section; at least one first follower includes a first internal thread, and engages the first external thread of the first section through the first internal thread, wherein the first The external thread and the first internal thread have a first pitch; at least one second segment is connected to one end of the first segment, and a second external thread is arranged on the surface of the second segment; and at least one second driven The component includes a second inner thread, and engages the second outer thread of the second section through the second inner thread, wherein the second outer thread and the second inner thread have a second pitch, and the second pitch is the first pitch twice.

The present invention provides another isometric adjustment mechanism, comprising: at least one first section, the surface of the first section is provided with two first external threads, wherein the spiral rotation directions of the two first external threads are different; a follower, comprising a first inner thread, and engaging the two first outer threads of the first section respectively through the first inner thread, wherein the first outer thread and the first inner thread have a first pitch; the two The second section is connected to two ends of the first section respectively, and a second external thread is arranged on the surface of the second section; The two internal threads engage the second external threads of the two second sections, wherein the second external threads and the second internal threads have a second thread pitch, and the second thread pitch is three times the first thread pitch.

The isometric adjustment mechanism includes at least one nth segment connected to one end of the second segment, and at least one nth thread is arranged on the surface of the nth segment, and an nth thread pitch of the nth thread is the first thread pitch n times.

The isometric adjustment mechanism, wherein the connecting section and the first section are a first rod body, the second section is a second rod body, and the first rod body and the second rod body are connected through a coupling .

In the isometric adjustment mechanism, the number of the second rod bodies is two, which are respectively connected to both ends of the first rod body.

The isometric adjustment mechanism, wherein the first follower is connected to the first external thread of the first section through a first internal thread of a nut, and the second follower is connected to the first thread through a second internal thread of a nut. Second external thread of two sections.

In the isometric adjustment mechanism, the fixed follower, the first follower and/or the second follower are respectively connected to a cutter or a conveying unit.

The equidistant adjustment mechanism includes two n-th sections connecting one end of the two second sections respectively, and an n-th thread is arranged on the surface of the n-th section, and an n-th thread pitch of the n-th thread is the n-th thread. (2n-1) times a pitch.

In the isometric adjustment mechanism, the first section is a first rod body, the second section is a second rod body, and the first rod body and the second rod body are connected through a coupling.

Please refer to FIG. 2 and FIG. 3 , which are a schematic structural diagram and a cross-sectional diagram of an embodiment of the isometric adjustment mechanism of the present invention. As shown in the figure, the isometric adjustment mechanism 20 mainly includes a connecting section 211 , at least one fixed follower 231 , at least one first section 213 , at least one first follower 233 , and at least one second section 215 and at least one second follower 235, wherein the connecting section 211, the first section 213 and the second section 215 are different sections defined on a rod body 21, and the first section 213 is located in the connecting section 211 , and the second section 215 is located at one end of the first section 213 .

In the embodiment of the present invention, it is described that the rod body 21 includes one connecting section 211 , two first sections 213 and two second sections 215 , wherein the two first sections 213 and the two second sections 215 is symmetrically arranged with the connecting section 211 as the center. Specifically, the two first sections 213 are located at two ends of the connecting section 211 respectively, and the ends of the two first sections 213 not connected to the connecting section 211 are respectively connected to the second section 215 . In addition, each section of the rod body 21 can be respectively provided with a follower. In the embodiment of the present invention, the number of the follower is an odd number for description, wherein the present invention includes a fixed piece that cannot be displaced relative to the rod body 21 . Type follower 231.

In different embodiments, the rod body 21 can be provided with only one connecting section 211 , one first section 213 and one second section 215 , wherein the connecting section 211 , the first section 213 and the second section 215 are in accordance with The sequential connection is arranged on the rod body 21 .

The fixed follower 231 is arranged on the connecting section 211, wherein the surface of the connecting section 211 is not provided with threads, so that the connecting section 211 can rotate relative to the fixed follower 231, wherein when the connecting section 211 rotates, the fixed follower 211 is rotated. The moving member 231 is not displaced relative to the connecting section 211 or the rod body 21 . For example, the connecting section 211 can be a connecting rod, and the fixed follower 231 includes a through hole, wherein the connecting section 211 passes through the through hole of the fixed follower 231 and can be connected to the fixed follower through a bearing 231.

The first section 213 is located at one end of the connecting section 211 , and a first external thread is disposed on the surface of the first section 213 . In the embodiment of the present invention, the number of the first sections 213 is two, and they are located at both ends of the connecting section 211 respectively, wherein the rotation direction of the helix of the first external thread disposed on the surfaces of the two first sections 213 different. For example, the first external thread on the surface of one of the first sections 213 is a left-hand thread, while the first external thread on the surface of the other first section 213 is a right-hand thread.

The first follower 233 is disposed on the first section 213. When the first section 213 rotates relative to the first follower 233, the first follower 233 will move along the first section 213 or the rod body 21 displacement. Specifically, the first follower 233 may include a first internal thread, wherein the first internal thread of the first follower 233 engages with the first external thread of the first section 213 , and the first external thread and the first external thread The inner thread has a first pitch. For example, the first follower 233 includes a through hole, and a first internal thread is arranged in the through hole, and the first section 213 is located in the through hole of the first follower 233 .

The second section 215 is located at the end of the first section 213 that is not connected to the connecting section 211 , and a second external thread is provided on the surface of the second section 215 . In the embodiment of the present invention, the number of the second sections 215 is two, and the two first sections 213 are respectively connected, wherein the helical rotation directions of the second external threads on the surfaces of the two second sections 215 are different. For example, the second external thread on the surface of one of the second segments 215 is a left-hand thread, while the second external thread on the surface of the other second segment 215 is a right-hand thread.

The second follower 235 is disposed on the second section 215. When the second section 215 rotates relative to the second follower 235, the second follower 235 will move along the second section 215 or the rod body displacement. Specifically, the second follower 235 may include a second internal thread, wherein the second internal thread of the second follower 235 engages the second external thread of the second section 215, and the second external thread and the second external thread The inner thread has a second pitch. For example, the second follower 235 includes a through hole, and a second internal thread is arranged in the through hole, and the second section 215 is located in the through hole of the second follower 235 .

A plurality of follower parts can be arranged on the rod body 21 , wherein the distances between the follower parts are the same. Specifically, the distance between the first follower 233 and the stationary follower 231 is the first distance G1, and the distance between the second follower 235 and the first follower 233 is the second distance G2 , and the size of the first distance G1 and the second distance G2 is the same.

The connecting section 211 , the first section 213 and the second section 215 are different sections on the same rod body 21 and rotate together with the rod body 21 . When the rod body 21 rotates, the fixed follower 231 will not be displaced relative to the connecting section 211 and the rod body 21 , while the first follower 233 and the second follower 235 will be displaced along the rod body 21 .

In the embodiment of the present invention, the second pitch of the second inner thread and the second outer thread is twice the first pitch of the first inner thread and the first outer thread, so the second follower 235 is along the rod body 21 . The displacement distance is twice the displacement of the first follower 233 along the rod body 21 .

Specifically, when the rod body 21 rotates, the first section 213 and the second section 215 will rotate together, and the first follower 233 and the second follower 235 will approach or move away from the rod body 21 at the same time. Fixed follower 231 . In addition, when the first follower 233 and the second follower 235 are displaced, the first distance G1 between the first follower 233 and the fixed follower 231 will be equal to the second follower 235 and the first follower the second distance G2 between the moving parts 233 .

In the above-mentioned embodiment of the present invention, one connecting segment 211 , one fixed follower 231 , two first segments 213 , two first followers 233 , two second segments 215 and two The second follower 235 will be described. In practical application, the isometric adjustment mechanism 20 may also include at least one nth segment 219 , wherein the nth segment 219 is connected to one end of the second segment 213 , and at least one nth thread is disposed on the surface of the nth segment 219 , an nth pitch of the nth thread is n times the first pitch. For example, the isometric adjustment mechanism 20 may include at least one third section, at least one third follower, . . . at least one nth section 219 and at least one nth follower 239, and are respectively disposed on the surface of the third section The surface of the third thread, ... nth section 219 is provided with an nth thread, wherein the third thread pitch of the third thread is three times the first thread pitch of the first thread, and the nth thread pitch of the nth thread is the first thread pitch n times the first pitch of the thread.

In an embodiment of the present invention, a nut 25 is provided on the first follower 233 , the second follower 235 , . , the second section 215, ... and the nth section 219, wherein the pitch of the internal thread on each nut 25 is respectively the same as that of the connected first section 213, the second section 215, ... and the nth section 219. The pitch of the external thread is the same. For example, the first follower 233 is connected to the first external thread of the first section 213 through the first internal thread of a nut, while the second follower 235 is connected to the second section through the second internal thread of a nut 215 second external thread.

In the embodiment of the present invention, the connecting section 211 , the first section 213 , the second section 215 , . . . and the nth section 219 are different sections on the same rod body 21 , and are respectively set on each section corresponding thread. In another embodiment of the present invention, the connecting section 211 and the two first sections 213 may be a first rod body 221, wherein two ends of the first rod body 221 are respectively provided with first threads with different directions of helical rotation. The second segments 215 , . . . and the n-th segment 219 can be the second rod bodies 225 , . The number of the second rod body 225 and the nth rod body 229 is two, wherein the two second rod bodies 225 are respectively connected to two ends of the first rod body 221 , and the two nth rod bodies 229 are respectively connected to two Both ends of the two rod bodies 225 .

The equidistant adjustment mechanism 20 according to the embodiment of the present invention mainly adjusts a plurality of driven members arranged on the rod body 21 at an equidistant distance by rotating the rod body 21 . The motor 27 rotates the rod body 21 . In an embodiment of the present invention, the stationary follower 231 , the first follower 233 , the second follower 235 , . The body 21 adjusts the distance between each cutter and each conveying unit, and the detailed implementation will be further described in the following embodiments.

Please refer to FIG. 4 , which is a side view of an embodiment of a cutting machine using the isometric adjustment mechanism of the present invention. The equidistant adjustment mechanism 20 of the present invention can be applied to the cutting machine 30, wherein the cutting machine 30 includes a plurality of equidistant adjustment mechanisms 20, a cutting device 31, at least one upper conveying device 33 and at least one lower Conveyor 35. The upper conveying device 33 and the lower conveying device 35 are used for conveying the objects to be cut 32 therebetween. For example, the upper conveying device 33 and the lower conveying device 35 can be conveyor belts, and there is a gap between them. The cutting device 31 is adjacent to the upper conveying device 33 and/or the lower conveying device 35 . For example, the cutting device 31 is located below the lower conveying device 35 and is used to cut the object to be cut 32 to generate a plurality of objects 321 .

In the embodiment of the present invention, the cutting machine table 30 has three equidistant adjustment mechanisms 20, wherein the rod bodies 21 of each equidistant adjustment mechanism 20 are respectively connected to the cutting device 31, the upper conveying device 33 and the lower conveying device 35, and use To adjust the distance between the cutting device 31 , the upper conveying device 33 and the lower conveying device 35 .

The cutting device 31 includes an odd number of cutting knives, namely a central cutting knife 311 , two first cutting knives 313 and two second cutting knives 315 , wherein the two first cutting knives 313 are respectively located on two sides of the central cutting knife 311 . The two second cutters 315 are located on the side of the first cutter 313 that does not face the central cutter 311 , and the central cutter 311 cannot be displaced relative to the rod body 21 .

The upper conveying device 33 and the lower conveying device 35 include odd-numbered conveying units, wherein the upper conveying device 33 includes a central upper conveying unit 331, two first upper conveying units 333 and two second upper conveying units 335, two of which are the upper conveying unit 331. An upper conveying unit 333 is located on both sides of the central upper conveying unit 331, and two second upper conveying units 335 are located at the side of the first upper conveying unit 333 that does not face the central upper conveying unit 331, and the central upper conveying unit 331 is not displaced relative to the rod body 21 .

The lower conveying device 35 includes a central lower conveying unit 351, two first lower conveying units 353 and two second lower conveying units 355, wherein the two first lower conveying units 353 are respectively located on both sides of the central lower conveying unit 351, The two second lower conveying units 355 are located on the side of the first lower conveying unit 353 that does not face the central lower conveying unit 351 , and the central lower conveying unit 351 will not be displaced relative to the rod body 21 .

In the above-mentioned embodiment of the present invention, the cutting device 31 includes five cutters, and the upper conveying device 33 and the lower conveying device 35 include five conveying units. of three or more.

The equidistant adjustment mechanism 20 can be used to adjust the spacing of each cutter and each conveying unit, so that the cutting machine 30 can adjust each cutter and each conveying unit in an equidistant manner according to the length of the object to be cut 32, so that the cutting The cutting table 30 can cut the object to be cut 32 into a plurality of objects 321 having the same length, and can effectively reduce or eliminate the waste generated after cutting.

In practical application, the rod bodies 21 of each isometric adjustment mechanism 20 can be connected to a servo motor 27 respectively, and the rod bodies 21 can be rotated through the servo motors 27 to adjust the distances of each cutter and each conveying unit. In addition, each rod body 21 can also be linked, for example, the three rod bodies 21 are connected through a belt or a chain to link each rod body 21, so that only one servo motor 27 needs to be connected to one of the rod bodies 21, and the three rod bodies 21 can be driven synchronously. The rod body 21 rotates, and drives each cutter and each conveying unit to displace in an equidistant manner.

Please refer to FIG. 5 and FIG. 6 , which are a schematic structural view and a cross-sectional view of another embodiment of the isometric adjustment mechanism of the present invention. As shown in the figure, the isometric adjustment mechanism 40 mainly includes at least one first segment 411 , two first followers 431 , two second segments 413 and two second followers 433 , wherein the first segment The segment 411 and the second segment 413 are different segments defined on a rod body 41 , and the two second segments 413 are respectively connected to two ends of the first segment 411 .

The surface of the first section 411 is provided with two first external threads, wherein the two first external threads have different helical rotation directions and are located at two ends of the first section 411 , such as the centerline of the first section 411 . Left-handed and right-handed first external threads are respectively provided on both sides of C1 , and the two first followers 431 are respectively disposed on the left-handed and right-handed first external threads of the first section 411 .

When the first segment 411 rotates relative to the first follower 431 , the two first followers 431 will be relatively displaced along the first segment 411 , for example, simultaneously and synchronously away from or close to the first segment 411 Centerline C1. Specifically, the first follower 431 includes a first internal thread engaging the first external thread of the first section 411 , wherein the first internal threads of the two first followers 431 have different helical rotation directions, respectively. They are left-handed and right-handed threads, and the first external thread and the first internal thread have a first pitch. For example, the first follower 431 may include a through hole, and a first internal thread is disposed in the through hole, and the first section 411 is located in the through hole of the first follower 431 .

The surfaces of the two second sections 413 are respectively provided with a second external thread, wherein the spiral rotation directions of the second external threads on the surfaces of the two second sections 413 are different. For example, the second external thread on the surface of one of the second segments 413 is a left-hand thread, and the second external thread on the surface of the other second segment 413 is a right-hand thread.

The two second followers 433 are respectively disposed on the two second sections 413. When the second section 413 rotates relative to the second follower 433, the two second followers 433 will move along the second section 413. The two sections 413 are displaced relative to each other, for example, simultaneously and synchronously away from or close to the center line C1 of the first section 411 . Specifically, the second follower 433 may include a second internal thread, wherein the second internal thread of the second follower 433 engages with the second external thread of the second section 431 , and the second external thread and the second external thread The inner thread has a second pitch. For example, the second follower 433 may include a through hole, and a second internal thread is arranged in the through hole, and the second section 413 is located in the through hole of the second follower 433 .

In practical application, the rod body 21 can be provided with a plurality of segments and a plurality of follower parts, wherein the distances between the follower parts are the same. Specifically, the distance between the two first followers 431 is the first distance G1, and the distance between the second follower 433 and the first follower 431 is the second distance G2, and the first distance G1 has the same size as the second gap G2.

In the embodiment of the present invention, the first section 411 and the second section 413 are different sections on the same rod body 41 and rotate together with the rod body 41 . When the rod body 41 rotates, the first follower 431 and the second follower 433 are displaced along the rod body 41 .

The second pitch of the second inner thread and the second outer thread is three times the first pitch of the first inner thread and the first outer thread, so the displacement distance of the second follower 433 along the rod body 41 is the distance of the first thread. The moving member 431 is displaced three times along the rod body 41 .

Specifically, when the rod body 41 rotates, the first section 411 and the second section 413 will rotate together, and the first follower 431 and the second follower 433 will approach along the rod body 41 simultaneously and synchronously or away from the centerline C1 of the first section 411 . In addition, when the first follower 431 and the second follower 433 are displaced, the first distance G1 between the two first follower 431 will be equal to the distance between the second follower 433 and the first follower 431 The second spacing G2.

In the above-mentioned embodiments of the present invention, one first segment 411 , two first followers 431 , two second segments 413 and two second followers 433 are used for description. In practical application, the isometric adjustment mechanism 40 may include two n th sections 419 and two n th followers 439 , wherein the two n th sections 419 are respectively connected to one end of the two second sections 413 and connected to The surface of the nth section 419 is provided with an nth thread, and the nth thread pitch of the nth thread is (2n-1) times the first thread pitch, so that each adjacent follower can maintain the same distance during displacement.

In an embodiment of the present invention, a nut 25 is provided on the first follower 431 , the second follower 433 , . . . and the nth follower 439 , and the first section 411 , The second sections 413, . . . and the n-th section 419, wherein the pitches of the internal threads on each nut 25 are respectively connected with the external first section 411, the second section 413, . . , and the n-th section 419. The pitch of the threads is the same. For example, the first follower 431 is connected to the first external thread of the first section 411 through the first internal thread of a nut, while the second follower 433 is connected to the second section through the second internal thread of a nut 413 second external thread.

In the embodiment of the present invention, the first segment 411 , the second segment 413 , . . . and the nth segment 419 are different segments on the same rod body 41 , and corresponding threads are respectively provided on each segment. In another embodiment of the present invention, the first section 411 , the second section 413 , . . . and the n th section 419 can also be the first rod body 421 , the second rod body 423 , . . . and the n th rod body, respectively 429, and can connect adjacent rod bodies through the coupling 24.

The isometric adjustment mechanism 40 described in the embodiment of the present invention can also be applied to the cutting machine 30 in FIG. 4 , for example, the first follower 431 , the second follower 433 , . . . and the nth follower 439 are respectively Connect a tool or a conveyor unit.

Specifically, the isometric adjustment mechanism 40 of FIGS. 5 and 6 is similar in structure to the isometric adjustment mechanism 20 of FIGS. 2 and 3 , and the main difference between the two is that the isometric adjustment mechanism 20 of FIGS. 2 and 3 has an odd number of Followers, while the isometric adjustment mechanism 40 of FIGS. 5 and 6 has an even number of followers. According to whether the follower is an odd or even number, the multiple relationship of the pitch of each thread on the rod body 21/41 can be determined, so that when the rod body 21/41 rotates, each follower can be driven along the rod body 21/41 at equal intervals. 21/41 displacement of the rod body.

The above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Modifications should be included within the scope of the patent application of the present invention.

10: Cutting mechanism 111: The first conveyor belt 113: Second lower conveyor belt 12: Object to be cut 121: Objects 131: The first upper conveyor belt 133: Second upper conveyor belt 14: Conveying height 15: Cutter 16: Gap 20: Isometric adjustment mechanism 21: Rod body 211: join section 213: First Section 215: Second Section 219: nth segment 221: The first rod body 225: Second rod body 229: nth rod body 231: Fixed follower 233: First follower 235: Second follower 239: nth follower 24: Coupling 25: Nut 27: Servo motor 30: cutting machine 31: Cutting device 311: Central cutter 313: The first knife 315: Second Cutter 32: Object to be cut 321: Object 33: Upper conveying device 331: Central upper conveying unit 333: The first upper conveying unit 335: Second upper conveying unit 35: Lower conveying device 351: Central lower conveying unit 353: The first lower conveying unit 355: Second lower conveying unit 40: Isometric adjustment mechanism 41: Rod body 411: First Section 413: Second Section 419: nth segment 421: The first rod body 423: Second rod body 429: nth rod body 431: First follower 433: Second follower 439: nth follower G1: first pitch G2: Second Gap C1: Centerline

[Fig. 1] is a side view of a conventional cutting mechanism. [ Fig. 2 ] is a schematic structural diagram of an embodiment of the isometric adjustment mechanism of the present invention. [ Fig. 3 ] is a schematic cross-sectional view of an embodiment of the isometric adjustment mechanism of the present invention. [ Fig. 4 ] is a side view of an embodiment of a cutting machine using the isometric adjustment mechanism of the present invention. [ Fig. 5 ] is a schematic structural diagram of another embodiment of the isometric adjustment mechanism of the present invention. [ Fig. 6 ] is a schematic cross-sectional view of another embodiment of the isometric adjustment mechanism of the present invention.

20: Isometric adjustment mechanism

21: Rod body

211: join section

213: First Section

215: Second Section

219: nth segment

221: The first rod body

225: Second rod body

229: nth rod body

231: Fixed follower

233: First follower

235: Second follower

239: nth follower

24: Coupling

25: Nut

27: Servo motor

Claims (11)

An isometric adjustment mechanism comprising: a connecting segment; At least one fixed follower is arranged on the connecting section; At least one first section is connected to one end of the connecting section, and a first external thread is arranged on the surface of the first section; At least one first follower includes a first inner thread and engages the first outer thread of the first section through the first inner thread, wherein the first outer thread and the first inner thread have a first pitch; at least one second section, connected to one end of the first section, and a second external thread is disposed on the surface of the second section; and At least one second follower includes a second inner thread and engages the second outer thread of the second section through the second inner thread, wherein the second outer thread and the second inner thread have a first Two helical pitches, and the second helical pitch is twice the first helical pitch. The isometric adjustment mechanism as claimed in claim 1, comprising at least one n-th section connected to one end of the second section, and at least one n-th thread is provided on the surface of the n-th section, and one of the n-th threads is The nth pitch is n times the first pitch. The isometric adjustment mechanism of claim 1, wherein the connecting section and the first section are a first rod body, the second section is a second rod body, the first rod body and the first rod body The two rod bodies are connected through a coupling. The isometric adjustment mechanism according to claim 3, wherein the number of the second rod bodies is two, which are respectively connected to both ends of the first rod body. The isometric adjustment mechanism of claim 1, wherein the first follower is connected to the first external thread of the first section through the first internal thread of a nut, and the second follower is connected to the first external thread of the first section through a The second inner thread of the nut is connected to the second outer thread of the second section. The isometric adjustment mechanism according to claim 1, wherein the stationary follower, the first follower and the second follower are respectively connected to a cutter or a conveying unit. An isometric adjustment mechanism comprising: At least one first section, the surface of the first section is provided with two first external threads, wherein the spiral rotation directions of the two first external threads are different; The two first followers include a first internal thread, and respectively engage the two first external threads of the first section through the first internal thread, wherein the first external thread and the first internal thread have a first pitch; two second sections, respectively connecting two ends of the first section, and a second external thread is arranged on the surface of the second section; and Two second followers, including a second inner thread, respectively engage the second outer thread of the two second sections through the second inner thread, wherein the second outer thread and the second inner thread There is a second pitch, and the second pitch is three times the first pitch. The isometric adjustment mechanism according to claim 7, comprising two n-th sections respectively connecting one end of the two second sections, and an n-th thread is provided on the surface of the n-th section, and the n-th thread is An nth pitch of is (2n-1) times the first pitch. The isometric adjustment mechanism of claim 7, wherein the first section is a first rod body, the second section is a second rod body, and the first rod body and the second rod body pass through A coupling is connected. The isometric adjustment mechanism of claim 7, wherein the first follower is connected to the first external thread of the first section through the first internal thread of a nut, and the second follower is connected to the first external thread of the first section through a The second inner thread of the nut is connected to the second outer thread of the second section. The isometric adjustment mechanism according to claim 7, wherein the first follower and the second follower are respectively connected to a cutter or a conveying unit.

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