CN211407857U - Bracelet shaping machine - Google Patents
Bracelet shaping machine Download PDFInfo
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- CN211407857U CN211407857U CN201922226337.5U CN201922226337U CN211407857U CN 211407857 U CN211407857 U CN 211407857U CN 201922226337 U CN201922226337 U CN 201922226337U CN 211407857 U CN211407857 U CN 211407857U
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Abstract
The utility model belongs to the technical field of jewelry processing equipment, in particular to a bracelet shaping machine, which comprises a frame, wherein a workpiece rotating component, a tensioning component and a shaping die adjusting component are arranged on the frame, the workpiece rotating component comprises a bearing seat fixedly arranged on the frame, a workpiece rotating shaft is rotatably arranged on the bearing seat through a bearing, the workpiece rotating shaft is provided with the tensioning component, and the workpiece rotating shaft is connected with a rotation driving mechanism; the shaping die adjusting assembly comprises a transverse adjusting structure arranged on the rack, a longitudinal adjusting structure is arranged on the transverse adjusting structure, a die frame is arranged on the longitudinal adjusting structure, and a shaping die is arranged on the die frame. The utility model provides a bracelet integer machine is fixed the bracelet tensioning through tensioning assembly, then carries out the integer through the terminal surface of integer mould to the bracelet, outline, improves the internal diameter external diameter size precision, outline surface accuracy and the terminal surface roughness of bracelet greatly, accords with bracelet automated processing requirement completely.
Description
Technical Field
The utility model belongs to the technical field of jewelry processing equipment, concretely relates to bracelet integer machine.
Background
With the increasingly high quality of life of people, people often display their own tastes by wearing different ornaments in order to highlight their own features, and the existing ornaments are of various kinds, including various gold and silver ornaments.
At present, people have higher and higher requirements on jewelry, from aesthetic requirements to current requirements on quality and refinement, the requirements also require higher-end machining and automatic machining, taking a bracelet as an example, the bracelet is a common jewelry in daily life, and the automatic machining puts higher requirements on the dimensional precision and tolerance precision of the bracelet, and mainly comprises the following precision: (1) the dimensional accuracy of the inner diameter and the outer diameter of the bracelet; (2) the surface precision of the outer contour; (3) flatness of the end faces.
The traditional bracelet processing and shaping equipment cannot meet the requirements of bracelet size precision and tolerance precision, so the bracelet processing and shaping equipment with high bracelet size precision and tolerance precision is urgently developed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a bracelet integer machine improves bracelet size precision and tolerance precision to satisfy the automated processing requirement.
In order to achieve the technical purpose, the utility model adopts the technical scheme that:
a bracelet shaping machine comprises a rack, wherein a workpiece rotating assembly, a tensioning assembly and a shaping die adjusting assembly are arranged on the rack, the workpiece rotating assembly comprises a bearing seat fixedly arranged on the rack, a workpiece rotating shaft is rotatably arranged on the bearing seat through a bearing, the tensioning assembly is arranged on the workpiece rotating shaft, and the workpiece rotating shaft is connected with a rotation driving mechanism;
the shaping die adjusting assembly comprises a transverse adjusting structure arranged on the rack, a longitudinal adjusting structure is arranged on the transverse adjusting structure, a die frame is arranged on the longitudinal adjusting structure, and a shaping die is arranged on the die frame.
As an improvement, the workpiece rotating shaft is a hollow shaft, the tensioning assembly comprises a pull rod which is axially slidably arranged in the workpiece rotating shaft, one end of the hollow shaft is an elastic tensioning end, the elastic tensioning end is sleeved with a bracelet sleeve, the elastic tensioning end and the shaft end of the pull rod are provided with tensioning assemblies which are matched with each other, and the pull rod is connected with an axial driving mechanism.
As a further improvement, the tensioning assembly comprises more than two axially extending spacing seams arranged on the elastic tensioning end, the bracelet sleeve is provided with more than two axially extending spacing seams, an opening of the elastic tensioning end is provided with an inner cone structure, an outer cone structure is arranged at the shaft end of the pull rod, and the outer cone structure is matched with the inner cone structure.
As a further improvement, the axial driving mechanism is a cylinder, the bearing seat is connected with a cylinder mounting seat, the cylinder is fixedly mounted on the cylinder mounting seat, a cylinder rod of the cylinder is connected with a tensioning block, the tension rod is connected with a thrust bearing, and the thrust bearing is connected with the tensioning block.
As a further improvement, a synchronous belt wheel is fixedly arranged on the workpiece rotating shaft, the rotation driving mechanism is a servo motor, and the servo motor is connected with the synchronous belt wheel through a synchronous belt.
As a further improvement, the transverse adjusting structure comprises a transverse dovetail groove guide rail fixedly arranged on the rack, a transverse dovetail groove sliding table is arranged on the transverse dovetail groove guide rail in a sliding mode, a longitudinal dovetail groove guide rail is arranged on the transverse dovetail groove sliding table, a longitudinal dovetail groove sliding table is arranged on the longitudinal dovetail groove guide rail in a sliding mode, a die carrier fixing device is arranged on the longitudinal dovetail groove sliding table, and a die carrier is arranged on the die carrier fixing device.
As a further improvement, the transverse dovetail groove guide rail and the longitudinal dovetail groove guide rail are respectively provided with a rack, the transverse dovetail groove sliding table and the longitudinal dovetail groove sliding table are respectively provided with a rotating shaft, the rotating shaft is fixedly provided with a gear matched with the rack, and the end part of the rotating shaft is connected with a handle.
As a further improvement, a mounting groove is formed in the longitudinal dovetail groove sliding table, a clamping block is arranged in the mounting groove, a fastening screw hole is formed in the clamping block, a through hole penetrates through the die carrier fixing device, a fastening bolt penetrates through the through hole, and the fastening bolt is in threaded fit with the fastening screw hole.
As a further improvement, the die carrier fixing device comprises a top plate, a bottom plate and a stand column, the stand column is located between the top plate and the bottom plate, the die carrier is located between the top plate and the bottom plate, the top plate, the bottom plate and the stand column are provided with the through holes in a penetrating mode, the top plate is provided with a plurality of abutting screw holes in a surrounding mode, abutting bolts are installed in inner threads of the abutting screw holes, and the abutting bolts abut against the die carrier.
As a further improvement, the shaping die is rotatably mounted on the die frame and is a flat wheel or an arc wheel.
Due to the adoption of the technical scheme, the beneficial effects of the utility model are that:
the utility model provides a bracelet integer machine is equipped with work piece rotating assembly, tensioning assembly and integer mould adjusting part, and the bracelet tensioning is fixed on tensioning assembly, can rotate moreover, adjusts integer mould position through horizontal regulation structure and vertical regulation structure, makes the integer mould aim at the bracelet terminal surface and the outer peripheral face on the tensioning assembly and extrudees, takes place slight plastic deformation, makes the interior external diameter size of bracelet accurate, and the surface accuracy of outline and the roughness of terminal surface all reach the automated processing requirement.
The workpiece rotating shaft is a hollow shaft, the elastic tensioning end of the hollow shaft and the shaft end of the pull rod are provided with the tensioning assemblies which are matched with each other, the axial driving mechanism controls the pull rod to move axially so as to control the tensioning mechanism to tension and fix or release the bracelet and take off the bracelet conveniently, the tensioning assemblies are easy to operate and control, the fixing effect on the bracelet is good, and when the bracelet is tensioned and fixed, the bracelet is slightly plastically deformed, so that the bracelet can be shaped.
The bracelet is fixed by the bracelet sleeve, shaping processing can be carried out, after the processing is finished, the pull rod reversely moves, the inner cone structure is separated from the outer cone structure, the elastic tensioning end and the bracelet sleeve automatically reset by the aid of the elasticity of the elastic tensioning end, the bracelet is simple in structure, and the bracelet fixing effect is good.
Because axial actuating mechanism is the cylinder, and the cylinder mount pad is connected to the bearing frame, and cylinder fixed mounting is on the cylinder mount pad, and the cylinder pole of cylinder connects the tensioning piece, and thrust bearing is connected to the pull rod, and the tensioning piece is connected to thrust bearing, realizes the axial motion through cylinder control pull rod, simple structure, and control effect is good.
Because the workpiece rotating shaft is fixedly provided with the synchronous belt wheel, the rotation driving mechanism is the servo motor, the servo motor is connected with the synchronous belt wheel through the synchronous belt, the synchronous belt is used for controlling accurately, the servo motor is used for controlling the shaping angle and the rotating speed of the workpiece conveniently, and different rotating angles and rotating speeds can be set for different processing works.
The transverse adjusting structure comprises a transverse dovetail groove guide rail fixedly arranged on the rack, a transverse dovetail groove sliding table is arranged on the transverse dovetail groove guide rail in a sliding mode, a longitudinal dovetail groove guide rail is arranged on the transverse dovetail groove sliding table, a longitudinal dovetail groove sliding table is arranged on the longitudinal dovetail groove guide rail in a sliding mode, a die carrier fixing device is arranged on the longitudinal dovetail groove sliding table, a die carrier is arranged on the die carrier fixing device, and a sliding adjusting route is controlled through a dovetail groove structure.
Because the transverse dovetail groove guide rail and the longitudinal dovetail groove guide rail are respectively provided with the rack, the transverse dovetail groove sliding table and the longitudinal dovetail groove sliding table are respectively provided with the rotating shaft, the rotating shaft is fixedly provided with the gear matched with the rack, the end part of the rotating shaft is connected with the handle, the rotating handle can drive the rotating shaft to rotate so as to drive the gear to rotate, and the gear is meshed with the rack, so that the gear drives the transverse dovetail groove sliding table or the longitudinal dovetail groove sliding table to be transversely or longitudinally adjusted, the position of the shaping die is adjusted, and the adjustment.
Because the longitudinal dovetail groove sliding table is provided with the mounting groove, the inside of the mounting groove is provided with the clamping block, the clamping block is provided with the fastening screw hole, the die carrier fixing device is provided with the through hole in a penetrating manner, the fastening bolt penetrates through the through hole, the fastening bolt is in threaded fit with the fastening screw hole, the position of the die carrier can be adjusted, the die carrier can be fixed by the fastening bolt in a penetrating manner, the position of the die carrier can be further adjusted by the transverse adjusting structure and the longitudinal adjusting structure during specific use, and the phenomenon that the adjustment of the position of the die is not in place only by the transverse adjusting.
Because die carrier fixing device includes the roof, bottom plate and stand, the stand is located between roof and the bottom plate, the die carrier is located between roof and the bottom plate, the roof, bottom plate and stand run through and are equipped with the through-hole, it is equipped with a plurality of tight screws of supporting to surround around the stand on the roof, support tight screw internal thread and install and support tight bolt, support tight bolt and die carrier and offset, it is fixed with the sizing die, when specifically using, can select for use suitable sizing die earlier and fix it through supporting tight bolt after adjusting the position, be convenient for change the mould, high durability and convenient use.
The forming die is rotatably installed on the die carrier and is a flat wheel or an arc wheel, the flat wheel can be used for forming the bracelet plane, for example, the end face flatness is formed, the peripheral surface of the flat wheel is lightly leaned against the end face of the bracelet, so that the bracelet is slightly plastically deformed, the forming of one face is completed along with the rotation of the bracelet, the requirement on the flatness precision of the end face of the bracelet is met, and then the bracelet is detached and reversely installed to form the other end face; the arc-shaped profile of the bracelet can be shaped by using the arc-shaped wheel, for example, the outer profile of the bracelet is shaped, and the arc surface of the arc-shaped wheel is opposite to the arc surface of the bracelet during shaping.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural view of a workpiece rotation assembly;
FIG. 3 is a schematic structural view of the tensioning assembly;
FIG. 4 is a schematic view of the internal structure of the tensioning assembly;
FIG. 5 is a schematic illustration of the outer cone structure and the inner cone structure in a disengaged state;
FIG. 6 is a front view of the resilient tension end;
FIG. 7 is a right side view of the resilient tensioning end;
FIG. 8 is a cross-sectional view of the resilient tensioning end;
FIG. 9 is a schematic view of the structure of a bracelet strand;
FIG. 10 is a right side view of the bracelet strand;
FIG. 11 is a perspective view of a sizing die adjustment assembly;
FIG. 12 is a front view of the sizing die adjustment assembly;
FIG. 13 is a schematic view of the internal structure of the sizing die adjustment assembly;
FIG. 14 is a schematic view showing the construction of the mold frame fixing means;
FIG. 15 is a schematic view of a flat wheel reforming state;
FIG. 16 is a schematic view of the arcuate wheel reforming state;
in the drawing, 1-frame, 2-workpiece rotating assembly, 201-bearing seat, 202-bearing, 203-workpiece rotating shaft, 204-rotating driving mechanism, 205-synchronous pulley, 206-synchronous belt, 3-tensioning assembly, 301-pull rod, 3011-outer cone structure, 302-elastic tensioning end, 3021-inner cone structure, 303-bracelet sleeve, 3031-sleeve mounting part, 3032-bracelet tensioning part, 3033-shaft shoulder, 304-axial driving mechanism, 305-spacing seam, 3051-circular pore, 306-cylinder mounting seat, 307-tensioning block, 308-thrust bearing, 4-shaping die adjusting assembly, 401-die carrier, 402-shaping die, 4201-flat wheel, 4202-arc wheel, 403-transverse dovetail guide rail, 404-transverse dovetail groove sliding table, 405-longitudinal dovetail groove guide rail, 406-longitudinal dovetail groove sliding table, 407-die carrier fixing device, 4071-top plate, 4072-bottom plate, 4073-upright post, 4074-abutting screw hole, 4075-abutting bolt, 408-rack, 409-rotating shaft, 410-gear, 411-handle, 412-mounting groove, 413-fixture block, 414-fastening bolt and 5-bracelet.
Detailed Description
The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.
As shown in fig. 1 to 5, the bracelet shaping machine comprises a frame 1, wherein a workpiece rotating assembly 2, a tensioning assembly 3 and a shaping die adjusting assembly 4 are arranged on the frame 1, the workpiece rotating assembly 2 comprises a bearing seat 201 fixedly arranged on the frame 1, a workpiece rotating shaft 203 is rotatably arranged on the bearing seat 201 through a bearing 202, the tensioning assembly 3 is arranged on the workpiece rotating shaft 203, and the workpiece rotating shaft 203 is connected with a rotation driving mechanism 204;
the shaping die adjusting assembly 4 includes a transverse adjusting structure mounted on the frame 1, a longitudinal adjusting structure is provided on the transverse adjusting structure, a die carrier 401 is provided on the longitudinal adjusting structure, and a shaping die 402 is provided on the die carrier 401.
The utility model provides a bracelet integer machine is fixed 5 tensionings of bracelet through tensioning component 3, then carries out the integer through terminal surface, the outline of integer mould 402 to bracelet 5, improves the internal diameter external diameter size precision, outline surface accuracy and the terminal surface roughness of bracelet 5 greatly, accords with 5 automated processing requirements of bracelet completely.
In this embodiment, the workpiece rotating shaft 203 is a hollow shaft, the tensioning assembly 3 includes a pull rod 301 axially slidably disposed in the workpiece rotating shaft 203, one end of the hollow shaft is an elastic tensioning end 302, referring to fig. 6, 7 and 8 of the drawings specifically, a bracelet sleeve 303 is sleeved on the elastic tensioning end 302, mutually cooperating tensioning assemblies are disposed at shaft ends of the elastic tensioning end 302 and the pull rod 301, and the pull rod 301 is connected to an axial driving mechanism 304.
In this embodiment, the tensioning assembly comprises more than two axially extending spaced slots 305 disposed on the elastic tensioning end 302, the bracelet sleeve 303 is provided with more than two axially extending spaced slots 305, specifically, one end of the spaced slots 305 extends to the end of the hollow shaft and the end of the bracelet sleeve 303, the other end of the spaced slots 305 is expanded to form a circular aperture 3051 to prevent the end of the spaced slots 305 from being torn due to stress concentration, the opening of the elastic tensioning end 302 is provided with an inner cone structure 3021, the shaft end of the pull rod 301 is provided with an outer cone structure 3011, and the outer cone structure 3011 is matched with the inner cone structure 3021.
When the pull rod 301 moves close to the hollow shaft axially, the inner cone structure 3021 is in contact fit with the outer cone structure 3011, as the elastic tensioning end 302 and the bracelet sleeve 303 are provided with more than two axially extending spacing slits 305, with further movement of the pull rod 301, an axial force is converted into a radial force under the action of two mutually matched conical surfaces, the elastic tensioning end 302 and the bracelet sleeve 303 of the hollow shaft can be abutted and radially expanded, the outer diameter of the bracelet sleeve 303 is increased, so that the bracelet sleeve 303 fixes the bracelet, shaping processing can be performed, after processing is completed, the pull rod 301 moves reversely, the inner cone structure 3021 is separated from the outer cone structure 3011, the elastic tensioning end 302 and the bracelet sleeve 303 automatically reset by the elasticity of the elastic tensioning end 302 and the bracelet sleeve 303, the structure is simple, and the effect of fixing the bracelet is good.
In this embodiment, the outer diameter of the elastic tension end 302 of the hollow shaft is smaller than the outer diameter of the rest of the hollow shaft, so that the wall thickness of the elastic tension end 302 is relatively small to have a better and easier-to-trigger elastic deformation and return, as shown in fig. 9 and 10, the bracelet sleeve 303 comprises a sleeve mounting part 3031 in sleeve fit with the elastic tension end 302 and a bracelet tension part 3032 for bracing the bracelet 5, a spacing slit 305 on the sleeve mounting part 3031 extends to an end opening of the bracelet tension part 3032, and a shaft shoulder 3033 is arranged at one end of the bracelet tension part 3032 close to the sleeve mounting part 3031, so that the bracelet can be axially positioned.
In this embodiment, in order to ensure that the elastic tensioning ends 302 and the bracelet sleeves 303 can be conveniently tensioned and reset, the number and the positions of the spacing slits 305 arranged on the elastic tensioning ends 302 and the bracelet sleeves 303 correspond.
In this embodiment, the axial driving mechanism 304 is an air cylinder, the bearing block 201 is connected to the air cylinder mounting seat 306, the air cylinder is fixedly mounted on the air cylinder mounting seat 306, an air cylinder rod of the air cylinder is connected to the tensioning block 307, the pull rod 301 is connected to the thrust bearing 308, and the thrust bearing 308 is connected to the tensioning block 307.
In this embodiment, a synchronous pulley 205 is fixedly disposed on the workpiece rotating shaft 203, the rotation driving mechanism 204 is a servo motor, the servo motor is connected to the synchronous pulley 205 through a synchronous belt 206, the synchronous belt 206 is used for accurate control, the servo motor is used for facilitating control of the shaping angle and the rotation speed of the workpiece, and different rotation angles and rotation speeds are conveniently set for different processing operations.
In this embodiment, as shown in fig. 11, 12, 13, and 14, the transverse adjusting structure includes a transverse dovetail groove guide rail 403 fixedly disposed on the rack 1, a transverse dovetail groove sliding table 404 is slidably disposed on the transverse dovetail groove guide rail 403, a longitudinal dovetail groove guide rail 405 is disposed on the transverse dovetail groove sliding table 404, a longitudinal dovetail groove sliding table 406 is slidably disposed on the longitudinal dovetail groove guide rail 405, a mold frame fixing device 407 is disposed on the longitudinal dovetail groove sliding table 404, and a mold frame 401 is disposed on the mold frame fixing device 407.
In this embodiment, the transverse dovetail groove guide rail 403 and the longitudinal dovetail groove guide rail 404 are both provided with a rack 408, the transverse dovetail groove sliding table 404 and the longitudinal dovetail groove sliding table 406 are both provided with a rotating shaft 409 through a bearing 202, a gear 410 matched with the rack 408 is fixedly mounted on the rotating shaft 409, an end of the rotating shaft 409 is connected with a handle 411, the rotating shaft can be driven to rotate through rotating the handle, and further the gear is driven to rotate, the gear is meshed with the rack, so that the gear drives the transverse dovetail groove sliding table or the longitudinal dovetail groove sliding table to be adjusted transversely or longitudinally, the position of the shaping die is adjusted simply and.
In this embodiment, a mounting groove 412 is formed in the longitudinal dovetail groove sliding table 404, a clamping block 413 is arranged in the mounting groove 412, a fastening screw hole is formed in the clamping block 413, a through hole is formed in the die carrier fixing device 407 in a penetrating manner, a fastening bolt 414 is formed in the through hole in a penetrating manner, the fastening bolt 414 is in threaded fit with the fastening screw hole and can be used for adjusting the position of the die carrier, when the die carrier fixing device is used specifically, the die carrier can be adjusted and fixed by the fastening bolt, then the position of the die carrier is further adjusted by the transverse adjusting structure and the longitudinal adjusting structure, and the adjustment of the position of the die carrier is prevented.
In this embodiment, die carrier fixing device 407 includes roof 4071, bottom plate 4072 and stand 4073, stand 4073 is located between roof 4071 and the bottom plate 4072, die carrier 401 is located between roof 4071 and bottom plate 4072, roof 4071, bottom plate 4072 and stand 4073 run through and are equipped with the through-hole, be equipped with a plurality of tight screw 4074 that support on the roof 4071 around stand 4073, support tight screw 4074 internal thread and install and support tight bolt 4075, support tight bolt 4075 and die carrier 401 and offset, it is fixed with the die carrier, when specifically using, can select suitable integral mould for use earlier and fix it through supporting tight bolt after adjusting the position, be convenient for change the mould, high durability and convenient use.
In this embodiment, the shaping die 402 is rotatably mounted on the die carrier 401, the shaping die 402 is a flat wheel 4021 or an arc wheel 4022, the flat wheel 4021 and the arc wheel 4022 are commonly used in practical use, the flat wheel is used for shaping a plane, the arc wheels are multiple in type and can be used for shaping different arc profiles, and the flat wheel and the arc wheel are in contact with the shaping surface, so that the shaping surface is slightly plastically deformed, and the shaping effect is generated.
In practical use, for convenience in use, the flat wheel 4021 and the arc wheel 4022 can be arranged on one die carrier 401, the flat wheel 4021 and the arc wheel 4022 are respectively positioned at two ends of the die carrier 401, the axial direction of the flat wheel 4021 and the axial direction of the arc wheel 4022 are vertically arranged at 90 degrees, when in specific use, after one shaping die is used, another shaping die needs to be used, the die carrier is rotated by 90 degrees, and then the position of the shaping die is adjusted, so that the die carrier is convenient to use.
In practical use, for example, a bracelet shaping with one end face as a plane and an arc-shaped outer contour is adopted, and the specific working process is as follows:
(1) firstly, determining that a taper structure at the shaft end of a pull rod and a taper structure at an elastic tensioning end of a hollow shaft are in a separation state, if the taper structure is not in the separation state, adjusting the position of the pull rod by contracting a cylinder to ensure that the taper structure at the shaft end of the pull rod and the taper structure at the elastic tensioning end of the hollow shaft are in the separation state;
(2) then, the bracelet is mounted on the bracelet sleeve, and then the air cylinder is controlled to enable the pull rod to move axially, so that a cone structure at the shaft end of the pull rod and a cone structure at the elastic tensioning end of the hollow shaft are in a combined state, the bracelet sleeve is tensioned and fixed, and the bracelet is clamped;
(3) adjusting an adjusting assembly of the shaping die, specifically, fixing a die frame through a fastening bolt and a resisting bolt, enabling the shaping die to be in a generally proper position, further rotating a handle, enabling a longitudinal dovetail groove sliding table and a transverse dovetail groove sliding table to move, enabling a flat wheel to be aligned with the end face of a bracelet, as shown in fig. 15, lightly leaning against the end face of the bracelet to drive a servo motor to operate, driving a hollow shaft to rotate through a synchronous belt, enabling the bracelet to rotate, enabling the bracelet to generate slight plastic deformation along with the rotation of the bracelet, and completing shaping of one end face;
(4) stopping the servo motor, moving away the shaping die assembly, controlling a cylinder rod of the cylinder to extend out, separating a cone structure at the end of a pull rod shaft from a cone structure at an elastic tensioning end of the hollow shaft, elastically resetting the elastic tensioning end and a bracelet sleeve, taking down the bracelet, replacing the end face, then installing the bracelet sleeve on the hand, repeating the steps (2) and (3), finishing the flatness shaping of the end face of the bracelet, and stopping the servo motor;
(6) rotating a handle to enable the shaping die adjusting assembly to be far away from the bracelet, loosening the abutting bolt, rotating the die carrier 90 degrees anticlockwise, then screwing the abutting bolt to fix the die carrier, rotating the handle to enable the shaping die adjusting assembly to be close to the bracelet, enabling the peripheral surface of the arc-shaped wheel to be just aligned with the outer contour of the bracelet, as shown in figure 16, enabling the arc-shaped wheel to lean against the outer contour of the bracelet lightly, operating a servo motor to enable the bracelet to rotate, enabling the outer contour of the bracelet to generate slight plastic deformation, completing shaping of the outer contour of the bracelet when the outer contour of the bracelet and the outer contour of the outer peripheral surface of the arc-shaped wheel are completely overlapped, completing shaping of the inner diameter and the outer diameter of the bracelet at the same time, stopping the servo motor.
The size precision of the inner diameter and the outer diameter of the bracelet, the surface precision of the outer contour and the flatness of the end face of the bracelet after being shaped are greatly improved, and the bracelet completely meets the requirement of automatic processing of the bracelet.
The above description of the present invention does not limit the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. A bracelet shaping machine is characterized by comprising a rack, wherein a workpiece rotating assembly, a tensioning assembly and a shaping die adjusting assembly are arranged on the rack, the workpiece rotating assembly comprises a bearing seat fixedly arranged on the rack, a workpiece rotating shaft is rotatably arranged on the bearing seat through a bearing, the tensioning assembly is arranged on the workpiece rotating shaft, and the workpiece rotating shaft is connected with a rotation driving mechanism;
the shaping die adjusting assembly comprises a transverse adjusting structure arranged on the rack, a longitudinal adjusting structure is arranged on the transverse adjusting structure, a die frame is arranged on the longitudinal adjusting structure, and a shaping die is arranged on the die frame.
2. The bracelet forming machine of claim 1, wherein the workpiece rotating shaft is a hollow shaft, the tensioning assembly comprises a pull rod axially slidably disposed in the workpiece rotating shaft, one end of the hollow shaft is a resilient tensioning end, the resilient tensioning end is sleeved with a bracelet sleeve, the resilient tensioning end and the shaft end of the pull rod are provided with mutually cooperating tensioning assemblies, and the pull rod is connected with an axial driving mechanism.
3. The bracelet shaper of claim 2, wherein the tensioning assembly comprises more than two axially extending spaced slots provided on the resilient tensioning end, the bracelet strand is provided with more than two axially extending spaced slots, the opening of the resilient tensioning end is provided with an inner cone structure, and the ends of the tie rods are provided with an outer cone structure, the outer cone structure and the inner cone structure cooperating.
4. The bracelet forming machine according to claim 2, wherein the axial driving mechanism is an air cylinder, the bearing block is connected with an air cylinder mounting seat, the air cylinder is fixedly mounted on the air cylinder mounting seat, an air cylinder rod of the air cylinder is connected with a tensioning block, the tensioning rod is connected with a thrust bearing, and the thrust bearing is connected with the tensioning block.
5. The bracelet shaping machine according to claim 1, wherein a synchronous pulley is fixedly arranged on the workpiece rotating shaft, the rotary driving mechanism is a servo motor, and the servo motor is connected with the synchronous pulley through a synchronous belt.
6. The bracelet shaper according to claim 1, wherein the transverse adjustment structure comprises a transverse dovetail groove guide rail fixedly arranged on the frame, a transverse dovetail groove sliding table is slidably arranged on the transverse dovetail groove guide rail, a longitudinal dovetail groove guide rail is arranged on the transverse dovetail groove sliding table, a longitudinal dovetail groove sliding table is slidably arranged on the longitudinal dovetail groove guide rail, a die carrier fixing device is arranged on the longitudinal dovetail groove sliding table, and a die carrier is arranged on the die carrier fixing device.
7. The bracelet reshaping machine according to claim 6, wherein the transverse dovetail groove guide rail and the longitudinal dovetail groove guide rail are respectively provided with a rack, the transverse dovetail groove sliding table and the longitudinal dovetail groove sliding table are respectively provided with a rotating shaft, the rotating shaft is fixedly provided with a gear matched with the rack, and the end part of the rotating shaft is connected with a handle.
8. The bracelet shaping machine according to claim 6, wherein a mounting groove is formed on the longitudinal dovetail groove sliding table, a clamping block is arranged in the mounting groove, a fastening screw hole is formed in the clamping block, a through hole is formed in the die carrier fixing device in a penetrating manner, a fastening bolt is arranged in the through hole in a penetrating manner, and the fastening bolt is in threaded fit with the fastening screw hole.
9. The bracelet forming machine according to claim 8, wherein the die carrier fixing device comprises a top plate, a bottom plate and an upright post, the upright post is positioned between the top plate and the bottom plate, the die carrier is positioned between the top plate and the bottom plate, the through holes are formed in the top plate, the bottom plate and the upright post in a penetrating manner, a plurality of abutting screw holes are formed in the top plate and surround the periphery of the upright post, abutting bolts are installed in the abutting screw holes in a threaded manner, and the abutting bolts abut against the die carrier.
10. The bracelet shaper of claim 1, wherein the shaping die is rotatably mounted on the die carrier and is a flat wheel or an arc wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922226337.5U CN211407857U (en) | 2019-12-12 | 2019-12-12 | Bracelet shaping machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922226337.5U CN211407857U (en) | 2019-12-12 | 2019-12-12 | Bracelet shaping machine |
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| CN211407857U true CN211407857U (en) | 2020-09-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110859372A (en) * | 2019-12-12 | 2020-03-06 | 深圳赛菲尔珠宝首饰有限公司 | Bracelet shaping machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110859372A (en) * | 2019-12-12 | 2020-03-06 | 深圳赛菲尔珠宝首饰有限公司 | Bracelet shaping machine |
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