A kind of swinging head mechanism of swing mill

Abstract

The present invention discloses a swinging head mechanism of a swing mill, comprising a main body housing, an eccentric assembly, a swinging head assembly, and an anti-rotation component, wherein the main body housing is provided with an accommodating chamber; the eccentric assembly comprises an eccentric sleeve arranged in the accommodating chamber and rotating relative to the inner wall of the accommodating chamber; the swinging head assembly comprises a driving shaft, the driving shaft is movably connected to the eccentric sleeve, and an angle γ is formed between the axis of the driving shaft and the axis of the eccentric sleeve; one end of the anti-rotation component is connected to the main body housing, and the other end is connected to the swinging head assembly, and is used to limit the swinging head assembly from rotating around the axis of the driving shaft. The present invention is provided with an anti-rotation component, which can limit the eccentric assembly from driving the swinging head assembly to rotate when the eccentric assembly drives the swinging head assembly to swing, thereby improving the operation stability.

Description

Technical Field

[0001] The invention relates to the field of swing mills, in particular to a swing head mechanism of a swing mill. Background Art

[0002] Swing rolling is a new plastic forming method. By limiting the contact area between the tool and the blank, the deformation force can be reduced, so that larger workpieces can be gradually formed with less force. It has the advantages of saving effort, small impact, small vibration, small noise, energy and material saving, and high product precision. It is widely used in many industrial fields such as machinery, automobiles, electrical appliances, instruments, hardware tools, etc. The existing swing rolling machine's swing head mechanism is prone to shaking and unstable operation, which affects the production precision and is prone to noise. Summary of the invention

[0003] In order to overcome the deficiencies in the prior art, the present invention provides a swing head mechanism for a swing mill, which is provided with an anti-rotation part, which can limit the rotation of the swing head assembly driven by the eccentric assembly when the eccentric assembly drives the swing head assembly to swing, thereby improving the operating stability.

[0004] In order to achieve the above object, the present invention adopts the following technical solutions:

[0005] A swing head mechanism for a swing mill, comprising

[0006] A host housing, wherein the host housing is provided with a receiving cavity;

[0007] An eccentric assembly, the eccentric assembly comprising an eccentric sleeve disposed in the accommodating cavity and rotating relative to an inner wall of the accommodating cavity;

[0008] A swing head assembly is disposed in the accommodating cavity, the swing head assembly comprises a driving shaft, the driving shaft is movably connected to the eccentric sleeve, and an axis of the driving shaft forms an angle γ with an axis of the eccentric sleeve; and

[0009] An anti-rotation member is used to limit the rotation of the swing head assembly around the axis of the drive shaft, wherein one end of the anti-rotation member is connected to the main machine housing, and the other end is connected to the swing head assembly.

[0010] With the above structure, since there is an angle γ between the axis of the drive shaft and the axis of the eccentric sleeve, when the eccentric sleeve rotates, the swing head assembly swings, and synchronously drives the upper mold installed on the swing head assembly to swing and perform swing rolling molding on the product to be processed; although the eccentric sleeve is movably connected with the swing head assembly, friction is inevitable between the two, and the eccentric sleeve will drive the swing head assembly to rotate around the axis of the drive shaft. The setting of the anti-rotation part can effectively prevent the rotation of the swing head assembly, so that the swing head assembly only swings but does not rotate, and the swing head assembly is not easy to shake, thereby improving the stability of the mechanism operation.

[0011] Specifically, a first bearing is provided between the eccentric sleeve and the accommodating cavity to realize the rotational installation of the eccentric sleeve; more specifically, the first bearing is a double-row cylindrical roller bearing.

[0012] Specifically, the eccentric sleeve is provided with an eccentric hole, the axis of the eccentric hole forms an angle γ with the axis of the eccentric sleeve itself, and the drive shaft is installed in the eccentric hole; in the above structure, since the axis of the eccentric hole forms an angle γ with the axis of the eccentric sleeve itself, the drive shaft of the swing head assembly is installed in the eccentric hole, and thus the axis of the drive shaft also forms an angle γ with the axis of the eccentric sleeve itself.

[0013] The γ angle can be determined according to actual usage, such as the γ angle is 1 degree.

[0014] The accommodating chamber is formed with an upper opening and a lower opening on the upper and lower end surfaces of the main housing respectively; the eccentric sleeve is arranged at the upper opening of the accommodating chamber and is connected to the main driving assembly through the upper opening; the swing head assembly is connected to the upper die through the lower opening;

[0015] Further, when the end of the anti-rotation member connected to the main body housing is fixed, the end of the anti-rotation member connected to the swing head assembly cannot rotate around the axis of the drive shaft.

[0016] By adopting the above structure, the two ends of the anti-rotation member have rigidity in relative rotation, ensuring that the swing head assembly cannot rotate around the axis of the drive shaft.

[0017] Further, any part on one end of the anti-rotation member may be close to or far away from the other end of the anti-rotation member.

[0018] In the above structure, the anti-rotation member can limit the rotation of the swing head assembly while avoiding affecting the swing of the swing head assembly.

[0019] Furthermore, the anti-rotation component is a bellows, and the bellows is sleeved outside the swing head assembly.

[0020] The bellows refers to a component formed by connecting foldable corrugated sheets along the folding and expansion direction;

[0021] Therefore, since the bellows has a folding structure, any part on one end of the bellows can be close to or away from the other end of the bellows, avoiding affecting the swinging movement of the swing head assembly; and the two ends of the bellows are rigid in rotation, which can limit the swing head assembly from rotating around the axis of the drive shaft.

[0022] The bellows is arranged on the driving shaft, that is, the bellows is sleeved outside the driving shaft.

[0023] Furthermore, the inner wall of the accommodating cavity protrudes to form a first mounting boss for connecting to one end of the anti-rotation component; the end of the anti-rotation component connected to the main housing is provided with a first mounting portion, and the first mounting portion extends toward the inner wall of the accommodating cavity and is fixedly connected to the first mounting boss.

[0024] The anti-rotation member is mounted on the first mounting boss via the first mounting portion, and the first mounting portion is fixedly mounted on the upper surface of the first mounting boss via a fastener such as a screw.

[0025] Furthermore, a drive sleeve is sleeved outside the drive shaft and the drive sleeve cannot rotate relative to the drive shaft; a second mounting portion is provided at one end of the anti-rotation component connected to the swing head assembly, and the second mounting portion is mounted on the drive sleeve and the second mounting portion cannot rotate relative to the drive sleeve.

[0026] The outer wall of the drive shaft is recessed to form a first anti-rotation groove, and correspondingly, the inner side of the drive sleeve is recessed to form a second anti-rotation groove matching the first anti-rotation groove; the first anti-rotation groove and the second anti-rotation groove are matched to install a first anti-rotation block to limit the rotation of the drive sleeve on the drive shaft.

[0027] The second mounting portion of the anti-rotation component is recessed toward one side of the drive sleeve to form a third anti-rotation groove, and the outer side of the drive sleeve is recessed to form a fourth anti-rotation groove matching the third anti-rotation groove; the third anti-rotation groove and the fourth anti-rotation groove are matched to install a second anti-rotation block to limit the rotation of the anti-rotation component on the drive sleeve and realize the installation of the two.

[0028] The first mounting portion of the anti-rotation component is recessed to form a fifth anti-rotation groove, the first mounting boss is recessed to form a sixth anti-rotation groove matching the fifth anti-rotation groove, and the fifth anti-rotation groove and the sixth anti-rotation groove are matched to install a third anti-rotation block to limit the rotation of the anti-rotation component on the main housing.

[0029] Further, the swing head assembly includes a swing head, and the drive shaft is connected to the swing head; the swing head has a convex spherical portion protruding along one end of the drive shaft connected to the swing head toward one end of the drive shaft connected to the eccentric sleeve; correspondingly, a swing head seat is provided in the accommodating cavity, and the swing head seat has a first insertion hole for the drive shaft to pass through, and a concave spherical portion matching the convex spherical portion.

[0030] The swing head seat is arranged at the lower opening of the accommodating cavity.

[0031] The upper die is mounted on the swing head.

[0032] With the above structure, the concave spherical portion of the swing head seat and the convex spherical portion of the swing head match each other, so that the swing assembly swings more stably, and the swing head seat simultaneously limits the upward movement of the swing head assembly.

[0033] Furthermore, a face seat is installed on the part of the accommodating cavity for accommodating the driving shaft, and a face cover is provided on the face seat, and the face cover is connected to the driving shaft; a first arc-shaped face portion is provided at the contact between the face seat and the face cover; correspondingly, a second arc-shaped face portion matching the first arc-shaped face portion is provided at the contact between the face cover and the face seat.

[0034] With the above structure, the face cover and the face seat are used for the swing of the swing assembly, and the cooperation between the two can make the swing of the swing assembly more stable; generally, the swing head mechanism of the swing mill is generally hung above the processed product, and the cooperation between the face seat and the face mask enables the accommodating cavity, that is, the main body shell, to bear the weight of the swing head assembly; at the same time, the cooperation between the face seat and the face mask can limit the downward movement of the swing head assembly.

[0035] The first arcuate surface portion and the second arcuate surface portion are respectively arranged at the contacting position between the surface seat and the surface cover so that the surface cover can swing along with the driving shaft, and the arrangement of the surface seat and the surface cover has no influence on the swinging head.

[0036] Furthermore, the face cover is connected to the drive shaft via a drive shaft sleeve sleeved outside the drive shaft; the face cover is provided with a second through hole for the drive shaft to pass through, and the aperture of the second through hole is larger than the diameter of the connection between the drive shaft and the face cover; the drive shaft sleeve has an extending portion extending into the gap between the face cover and the drive shaft and matching the aperture of the second through hole, and a pressure-bearing portion pressed onto the upper surface of the face cover.

[0037] With the above structure, when the drive shaft swings, the drive shaft drives the drive shaft sleeve to swing synchronously, and the protruding portion of the drive shaft sleeve drives the surface cover to swing synchronously;

[0038] The pressure-bearing portion of the driving shaft sleeve is pressed on the surface cover, and the weight of the swing head assembly is transferred to the main machine housing through the driving shaft sleeve and the surface cover.

[0039] The outer wall of one end of the drive sleeve facing the surface cover is recessed inwards, the recessed portion of the side wall of the drive sleeve forms the extending portion, and the convex portion forms the pressure-bearing portion.

[0040] Furthermore, the swing head mechanism of the swing roller includes a first locking member sleeved on the drive shaft and located above the drive shaft sleeve, and a second locking member. The first locking member and the second locking member are installed on the drive shaft through threads and the installation directions of the two are opposite.

[0041] With the above structure, the first locking member and the second locking member are used to place the drive sleeve on the drive shaft to slide upward, thereby ensuring that the drive sleeve is pressed onto the surface cover.

[0042] The first locking member and the second locking member are installed on the driving shaft through threads and the installation directions of the two are opposite, which can effectively prevent the first locking member and the second locking member from loosening during the operation of the mechanism.

[0043] Furthermore, the accommodating cavity is used to accommodate the inner wall protrusion of the driving shaft portion to form a second mounting boss, and the surface seat is installed on the upper surface of the second mounting boss.

[0044] Furthermore, the swing head mechanism of the swing roller includes a main driving assembly for driving the eccentric sleeve to rotate;

[0045] The eccentric assembly includes a first drive connector for connecting the eccentric sleeve and the main drive assembly; the main drive assembly includes a second drive connector matched with the first drive connector.

[0046] With the above structure, the main driving assembly is drivingly connected to the eccentric sleeve through the cooperation of the first driving connecting member and the second driving connecting member.

[0047] Specifically, the first drive connector is provided with a transmission groove, and the second drive connector is provided with a transmission protrusion matching the transmission groove. The transmission groove is in a cross shape, and correspondingly, the transmission protrusion is in a cross shape.

[0048] Furthermore, the main drive assembly includes a motor and a reduction device, the output shaft of the motor is connected to the input end of the reduction device, the second drive connector is provided with a transmission sleeve, and the output shaft of the reduction device is inserted into the transmission sleeve.

[0049] With the above structure, the motor transmits power to the reduction device through the connection between its output shaft and the reduction device. The output end of the reduction device rotates to drive the transmission sleeve to rotate, and the rotation of the transmission sleeve synchronously drives the second drive connector to rotate.

[0050] Furthermore, the main drive assembly includes a transmission housing, one end of which is connected to the main engine housing, and the other end is connected to the reduction device, the output shaft of the reduction device is located in the transmission housing, and the transmission sleeve is rotatably installed in the transmission housing.

[0051] Specifically, a second bearing is provided between the transmission sleeve and the rotating housing to realize the rotational installation of the transmission sleeve. More specifically, the second bearing is a single-row cylindrical roller bearing.

[0052] There are two second bearings, which are respectively sleeved outside the transmission sleeve. An inner bearing washer matching the inner diameters of the two second bearings and an outer bearing washer matching the outer diameters of the two second bearings are arranged between the two second bearings.

[0053] Compared with the prior art, the present invention has the following beneficial effects:

[0054] (1) The swing head mechanism of the swing roller of the present invention is provided with an anti-rotation component, which can limit the rotation of the swing head assembly driven by the eccentric component when the eccentric component drives the swing head assembly to swing, thereby improving the operation stability.

[0055] (2) The anti-rotation component of the swing head mechanism of the swing roller of the present invention adopts a bellows, which prevents the swing head assembly from rotating without affecting the swing of the swing head assembly.

[0056] (3) The swing head mechanism structure of the swing mill of the present invention is reasonably designed. BRIEF DESCRIPTION OF THE DRAWINGS

[0057] Figure 1 It is a three-dimensional structural schematic diagram of the swing head mechanism of the swing roller of the present invention;

[0058] Figure 2 It is a cross-sectional structural schematic diagram of the swing head mechanism of the swing roller of the present invention;

[0059] Figure 3 for Figure 2 The enlarged view of point A in the middle;

[0060] Figure 4 for Figure 2 The enlarged view of point B in the middle;

[0061] Figure 5 It is a cross-sectional structural schematic diagram of a swing head assembly and an eccentric assembly in the swing head mechanism of a swing roller of the present invention;

[0062] Figure 6 for Figure 5 Enlarged view of point C in the middle;

[0063] Figure 7 It is a schematic diagram of the explosion of part of the structure of the swing head mechanism of the swing roller of the present invention;

[0064] Figure 8 It is a structural schematic diagram of the main machine housing in the swing head mechanism of the swing roller of the present invention;

[0065] Fig. 9 It is a structural schematic diagram of another angle of the main machine housing in the swing head mechanism of the swing roller of the present invention;

[0066] Fig.10 It is a schematic structural diagram of the anti-rotation member and the driving shaft sleeve in the swing head mechanism of the swing roller of the present invention;

[0067] Figure numerals: 1 main body housing; 101 accommodating cavity; 102 first mounting boss; 1021 sixth anti-rotation groove; 103 second mounting boss; 2 eccentric assembly; 201 eccentric sleeve; 202 first driving connecting member; 3 swing head assembly; 301 driving shaft; 3011 first anti-rotation groove; 302 swing head; 3021 convex spherical portion; 4 anti-rotation member; 401 first mounting portion; 4011 fifth anti-rotation groove; 402 second mounting portion; 4021 third anti-rotation groove; 6 driving shaft sleeve; 601 extending portion; 602 pressure bearing portion ; 603 second anti-rotation groove; 604 fourth anti-rotation groove; 7 swing head seat; 701 first insertion hole; 702 concave spherical surface; 8 seat; 801 first arcuate surface; 9 cover; 901 second arcuate surface; 902 second insertion hole; 10 first locking piece; 11 second locking piece; 12 main drive assembly; 1201 second drive connector; 1202 motor; 1203 reduction gear; 1204 transmission housing; 13 first bearing; 14 second bearing; 15 bearing inner washer; 16 bearing outer washer; 17 transmission sleeve. DETAILED DESCRIPTION

[0068] The specific implementation of the present invention is further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0069] like Figure 1 As shown in FIG. 10, a swinging head mechanism of a swing mill includes:

[0070] A host housing 1, wherein the host housing 1 is provided with a receiving cavity 101;

[0071] An eccentric assembly 2, the eccentric assembly 2 comprising an eccentric sleeve 201 disposed in the accommodating cavity 101 and rotating relative to an inner wall of the accommodating cavity 101;

[0072] A swing head assembly 3 is disposed in the accommodating cavity 101, wherein the swing head assembly 3 comprises a driving shaft 301, wherein the driving shaft 301 is movably connected to the eccentric sleeve 201, and an axis of the driving shaft 301 forms an angle γ with an axis of the eccentric sleeve 201; and

[0073] The anti-rotation member 4 is used for limiting the rotation of the swing head assembly 3 around the axis of the driving shaft 301 , wherein one end of the anti-rotation member 4 is connected to the main machine housing 1 , and the other end is connected to the swing head assembly 3 .

[0074] like Figure 2 , Figure 5 , Figure 6As shown, with the above structure, since the axis of the driving shaft 301 and the axis of the eccentric sleeve 201 form an angle γ, when the eccentric sleeve 201 rotates, the swing head assembly 3 swings, and synchronously drives the upper mold installed on the swing head assembly 3 to swing and perform swing rolling molding on the product to be processed; although the eccentric sleeve 201 is movably connected with the swing head assembly 3, friction is inevitable between the two. At this time, the eccentric sleeve 201 will drive the swing head assembly 3 to rotate around the axis of the driving shaft 301. The setting of the anti-rotation part 4 can effectively prevent the rotation of the swing head assembly 3, so that the swing head assembly 3 only swings but does not rotate, and the swing head assembly 3 is not easy to shake, thereby improving the stability of the mechanism operation.

[0075] Specifically, a first bearing 13 is provided between the eccentric sleeve 201 and the accommodating cavity 101 to realize the rotational installation of the eccentric sleeve 201; more specifically, the first bearing 13 is a double-row cylindrical roller bearing.

[0076] Specifically, the eccentric sleeve 201 is provided with an eccentric hole, the axis of the eccentric hole forms an angle γ with the axis of the eccentric sleeve 201 itself, and the drive shaft 301 is installed in the eccentric hole; in the above structure, since the axis of the eccentric hole forms an angle γ with the axis of the eccentric sleeve 201 itself, the drive shaft 301 of the swing head assembly 3 is installed in the eccentric hole, and thus the axis of the drive shaft 301 also forms an angle γ with the axis of the eccentric sleeve 201 itself.

[0077] The γ angle can be determined according to actual usage, such as the γ angle is 1 degree.

[0078] The accommodating chamber 101 is formed with an upper opening and a lower opening on the upper and lower end surfaces of the main housing 1 respectively; the eccentric sleeve 201 is arranged at the upper opening of the accommodating chamber 101 and is connected to the main driving assembly 12 through the upper opening; the swing head assembly 3 is connected to the upper mold through the lower opening;

[0079] Preferably, when the end of the anti-rotation component 4 connected to the main body housing 1 is fixed, the end of the anti-rotation component 4 connected to the swing head assembly 3 cannot rotate around the axis of the drive shaft 301 .

[0080] By adopting the above structure, the two ends of the anti-rotation member 4 have rigidity in relative rotation, thereby ensuring that the swing head assembly 3 cannot rotate around the axis of the drive shaft 301 .

[0081] Preferably, any part on one end of the anti-rotation member 4 can be close to or far away from the other end of the anti-rotation member 4 .

[0082] In the above structure, the anti-rotation member 4 can limit the rotation of the swing head assembly 3 while avoiding affecting the swing of the swing head assembly 3.

[0083] Preferably, the anti-rotation component 4 is a bellows, and the bellows is sleeved outside the swing head assembly 3 .

[0084] The bellows refers to a component formed by connecting foldable corrugated sheets along the folding and expansion direction;

[0085] Therefore, since the bellows has a folding structure, any part on one end of the bellows can be close to or away from the other end of the bellows, avoiding affecting the swinging movement of the swing head assembly 3; and the two ends of the bellows are rigid in rotation, which can limit the swing head assembly 3 from rotating around the axis of the drive shaft 301.

[0086] The bellows is arranged on the driving shaft 301 , that is, the bellows is sleeved outside the driving shaft 301 .

[0087] like Figure 2 , Figure 3 As shown, preferably, the inner wall of the accommodating cavity 101 protrudes to form a first mounting boss 102 for connecting to one end of the anti-rotation component 4; the end of the anti-rotation component 4 connected to the main housing 1 is provided with a first mounting portion 401, and the first mounting portion 401 extends toward the inner wall of the accommodating cavity 101 and is fixedly connected to the first mounting boss 102.

[0088] The anti-rotation member 4 is mounted on the first mounting boss 102 via the first mounting portion 401 , and the first mounting portion 401 is fixedly mounted on the upper surface of the first mounting boss 102 via fasteners such as screws.

[0089] Preferably, the drive shaft 301 is sheathed with a drive sleeve 6 and the drive sleeve 6 cannot rotate relative to the drive shaft 301; the anti-rotation component 4 is provided with a second mounting portion 402 at one end connected to the swing head assembly 3, and the second mounting portion 402 is mounted on the drive sleeve 6 and the second mounting portion 402 cannot rotate relative to the drive sleeve 6.

[0090] The outer wall of the driving shaft 301 is recessed to form a first anti-rotation groove 3011, and correspondingly, the inner side of the driving sleeve 6 is recessed to form a second anti-rotation groove 603 matching the first anti-rotation groove 3011; the first anti-rotation groove 3011 and the second anti-rotation groove 603 are matched to install a first anti-rotation block to limit the rotation of the driving sleeve 6 on the driving shaft 301.

[0091] The second mounting portion 402 of the anti-rotation component 4 is recessed toward one side of the drive sleeve 6 to form a third anti-rotation groove 4021, and the outer side of the drive sleeve 6 is recessed to form a fourth anti-rotation groove 604 matching the third anti-rotation groove 4021; the third anti-rotation groove 4021 and the fourth anti-rotation groove 604 are matched to install a second anti-rotation block to limit the rotation of the anti-rotation component 4 on the drive sleeve 6 and realize the installation of the two.

[0092] The first mounting portion 401 of the anti-rotation component 4 is recessed to form a fifth anti-rotation groove 4011, and the first mounting boss 102 is recessed to form a sixth anti-rotation groove 1021 matching the fifth anti-rotation groove 4011. The fifth anti-rotation groove 4011 and the sixth anti-rotation groove 1021 are matched to install a third anti-rotation block to limit the rotation of the anti-rotation component 4 on the main housing 1.

[0093] like Figure 2 As shown, preferably, the swing head assembly 3 includes a swing head 302, and the drive shaft 301 is connected to the swing head 302; the swing head 302 has a convex spherical portion 3021 that protrudes along one end where the drive shaft 301 is connected to the swing head 302 toward one end where the drive shaft 301 is connected to the eccentric sleeve 201; correspondingly, a swing head seat 7 is provided in the accommodating cavity 101, and the swing head seat 7 has a first insertion hole 701 for the drive shaft 301 to pass through, and a concave spherical portion 702 matching the convex spherical portion 3021.

[0094] The swing head seat 7 is arranged at the lower opening of the accommodating cavity 101 .

[0095] The upper die is mounted on the swing head 302 .

[0096] With the above structure, the concave spherical portion 702 of the swing head seat 7 and the convex spherical portion 3021 of the swing head 302 match each other, so that the swing assembly swings more stably, and the swing head seat 7 limits the upward movement of the swing head assembly 3 at the same time.

[0097] like Figure 2 , Figure 5 As shown, preferably, the part of the accommodating cavity 101 for accommodating the driving shaft 301 is installed with a face seat 8, and the face seat 8 is covered with a face cover 9, and the face cover 9 is connected to the driving shaft 301; a first curved surface part 801 is provided at the contact between the face seat 8 and the face cover 9; correspondingly, a second curved surface part 901 matching the first curved surface part 801 is provided at the contact between the face cover 9 and the face seat 8.

[0098] With the above structure, the face cover 9 and the face seat 8 are used for the swing of the swing assembly, and the cooperation between the two can make the swing of the swing assembly more stable; generally, the swing head mechanism of the swing mill is generally hung above the processed product, and the cooperation between the face seat 8 and the face mask enables the accommodating cavity 101, that is, the main body shell 1, to bear the weight of the swing head assembly 3; at the same time, the cooperation between the face seat 8 and the face mask can limit the downward movement of the swing head assembly 3.

[0099] The first arcuate surface portion 801 and the second arcuate surface portion 901 are respectively arranged at the contacting position between the surface seat 8 and the surface cover 9 so that the surface cover 9 can swing along with the driving shaft 301 . The arrangement of the surface seat 8 and the surface cover 9 has no effect on the swinging head 302 .

[0100] like Figure 3 , Figure 7 As shown, preferably, the face cover 9 is connected to the drive shaft 301 through a drive shaft sleeve 6 which is sleeved on the outside of the drive shaft 301; the face cover 9 is provided with a second insertion hole 902 for the drive shaft 301 to pass through, and the aperture of the second insertion hole 902 is larger than the diameter of the connection between the drive shaft 301 and the face cover 9; the drive shaft sleeve 6 has an insertion portion 601 which extends into the gap between the face cover 9 and the drive shaft 301 and matches the aperture of the second insertion hole 902, and a pressure-bearing portion 602 which is pressed on the upper surface of the face cover 9.

[0101] With the above structure, when the driving shaft 301 swings, the driving shaft 301 drives the driving sleeve 6 to swing synchronously, and the extending portion 601 of the driving sleeve 6 drives the surface cover 9 to swing synchronously;

[0102] The pressure-bearing portion 602 of the driving shaft sleeve 6 is pressed onto the surface cover 9 , so that the weight of the swing head assembly 3 is transferred to the main machine housing 1 through the driving shaft sleeve 6 and the surface cover 9 .

[0103] The outer wall of one end of the driving sleeve 6 facing the surface cover 9 is recessed inwards, the recessed portion of the side wall of the driving sleeve 6 forms the extending portion 601 , and the convex portion forms the pressure-bearing portion 602 .

[0104] like Figure 2 As shown, preferably, the swing head mechanism of the swing mill includes a first locking member 10 which is sleeved on the drive shaft 301 and located above the drive shaft sleeve 6, and a second locking member 11. The first locking member 10 and the second locking member 11 are installed on the drive shaft 301 through threads and the installation directions of the two are opposite.

[0105] With the above structure, the first locking member 10 and the second locking member 11 are used to place the drive sleeve 6 to slide upward on the drive shaft 301 , thereby ensuring that the drive sleeve 6 is pressed onto the surface cover 9 .

[0106] The first locking member 10 and the second locking member 11 are installed on the driving shaft 301 by threads and the installation directions of the two are opposite, which can effectively prevent the first locking member 10 and the second locking member 11 from loosening during the operation of the mechanism.

[0107] like Figure 2 , Figure 3 As shown, preferably, the inner wall protrusion of the accommodating cavity 101 for accommodating the driving shaft 301 forms a second mounting boss 103 , and the face seat 8 is mounted on the upper surface of the second mounting boss 103 .

[0108] like Figure 1 , Figure 4 As shown, preferably, the swing head mechanism of the swing roller includes a main driving assembly 12 for driving the eccentric sleeve 201 to rotate;

[0109] The eccentric assembly 2 includes a first driving connector 202 for connecting the eccentric sleeve 201 and the main driving assembly 12 ; the main driving assembly 12 includes a second driving connector 1201 matched with the first driving connector 202 .

[0110] With the above structure, the main driving assembly 12 is drivingly connected to the eccentric sleeve 201 through the cooperation of the first driving connecting member 202 and the second driving connecting member 1201 .

[0111] Specifically, the first driving connector 202 is provided with a transmission groove, and the second driving connector 1201 is provided with a transmission protrusion matching the transmission groove, the transmission groove is in a cross shape, and correspondingly, the transmission protrusion is in a cross shape.

[0112] Preferably, the main drive assembly 12 includes a motor 1202 and a reduction device 1203, the output shaft of the motor 1202 is connected to the input end of the reduction device 1203, the second drive connector 1201 is provided with a transmission sleeve, and the output shaft of the reduction device 1203 is inserted into the transmission sleeve.

[0113] With the above structure, the motor 1202 transmits power to the reduction device 1203 through the connection between its output shaft and the reduction device 1203. The output end of the reduction device 1203 rotates to drive the transmission sleeve to rotate, and the rotation of the transmission sleeve synchronously drives the second drive connector 1201 to rotate.

[0114] Preferably, the main drive assembly 12 includes a transmission housing 1204, one end of the transmission housing 1204 is connected to the main housing 1, and the other end is connected to the reduction device 1203, the output shaft of the reduction device 1203 is located in the transmission housing 1204, and the transmission sleeve 17 is rotatably installed in the transmission housing 1204.

[0115] Specifically, a second bearing 14 is provided between the transmission sleeve 17 and the rotating housing to realize the rotational installation of the transmission sleeve 17. More specifically, the second bearing 14 is a single-row cylindrical roller bearing.

[0116] Two second bearings 14 are provided, which are respectively sleeved outside the transmission sleeve 17 , and a bearing inner washer 15 matching the inner diameters of the two second bearings 14 and a bearing outer washer 16 matching the outer diameters of the two second bearings 14 are provided between the two second bearings 14 .

[0117] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A swing head mechanism for a swing mill, characterized in that: include A host housing (1), wherein the host housing (1) is provided with a receiving cavity (101); An eccentric assembly (2), the eccentric assembly (2) comprising an eccentric sleeve (201) arranged in the accommodating cavity (101) and rotating relative to an inner wall of the accommodating cavity (101); A swing head assembly (3) is arranged in the accommodating cavity (101), the swing head assembly (3) comprises a drive shaft (301), the drive shaft (301) is movably connected to the eccentric sleeve (201), and an axis of the drive shaft (301) forms an angle γ with an axis of the eccentric sleeve (201); and an anti-rotation component (4) for limiting the rotation of the swing head assembly (3) around the axis of the drive shaft (301), wherein one end of the anti-rotation component (4) is connected to the main machine housing (1), and the other end is connected to the swing head assembly (3); The anti-rotation component (4) is a bellows, and the bellows is sleeved outside the swing head assembly (3); The inner wall of the accommodating cavity (101) is raised to form a first mounting boss (102) for connecting to one end of the anti-rotation component (4); the end of the anti-rotation component (4) connected to the main body housing (1) is provided with a first mounting portion (401), the first mounting portion (401) extending toward the inner wall of the accommodating cavity (101) and fixedly connected to the first mounting boss (102); The drive shaft (301) is sheathed with a drive shaft sleeve (6), and the drive shaft sleeve (6) cannot rotate relative to the drive shaft (301); one end of the anti-rotation component (4) connected to the swing head assembly (3) is provided with a second mounting portion (402), the second mounting portion (402) being mounted on the drive shaft sleeve (6), and the second mounting portion (402) cannot rotate relative to the drive shaft sleeve (6); A face seat (8) is installed on the portion of the accommodating cavity (101) used for accommodating the drive shaft (301); a face cover (9) is provided on the face seat (8); and the face cover (9) is connected to the drive shaft (301); a first arcuate face portion (801) is provided at a contact point between the face seat (8) and the face cover (9); correspondingly, a second arcuate face portion (901) matching the first arcuate face portion (801) is provided at a contact point between the face cover (9) and the face seat (8).

2. The swing head mechanism of the swing mill according to claim 1, characterized in that: The swing head assembly (3) comprises a swing head (302), the drive shaft (301) being connected to the swing head (302); the swing head (302) having a convex spherical portion (3021) protruding along one end of the drive shaft (301) being connected to the swing head (302) towards one end of the drive shaft (301) being connected to the eccentric sleeve (201); correspondingly, a swing head seat (7) is arranged in the accommodating cavity (101), the swing head seat (7) having a first insertion hole (701) for the drive shaft (301) to pass through, and a concave spherical portion (702) matching the convex spherical portion (3021).

3. The swing head mechanism of the swing mill according to claim 1, characterized in that: The surface cover (9) is connected to the drive shaft (301) via a drive shaft sleeve (6) sleeved outside the drive shaft (301); the surface cover (9) is provided with a second insertion hole (902) for the drive shaft (301) to pass through, and the aperture of the second insertion hole (902) is larger than the diameter of the connection between the drive shaft (301) and the surface cover (9); the drive shaft sleeve (6) has an insertion portion (601) extending into the gap between the surface cover (9) and the drive shaft (301) and matching the aperture of the second insertion hole (902), and a pressure-bearing portion (602) pressed against the upper surface of the surface cover (9).

4. The swing head mechanism of the swing mill according to claim 3, characterized in that: It comprises a first locking piece (10) sleeved on the drive shaft (301) and located above the drive shaft sleeve (6), and a second locking piece (11), wherein the first locking piece (10) and the second locking piece (11) are installed on the drive shaft (301) via threads and the installation directions of the two pieces are opposite.

5. The swing head mechanism of the swing mill according to claim 1, characterized in that: The accommodating cavity (101) is used to accommodate a protrusion on the inner wall of a portion of the driving shaft (301) to form a second mounting boss (103), and the surface seat (8) is mounted on the upper surface of the second mounting boss (103).

6. The swing head mechanism of the swing mill according to claim 1, characterized in that: It comprises a main driving assembly (12) for driving the eccentric sleeve (201) to rotate; The eccentric assembly (2) comprises a first drive connecting member (202) for connecting the eccentric sleeve (201) and the main drive assembly (12); the main drive assembly (12) comprises a second drive connecting member (1201) matched with the first drive connecting member (202).

Images