Precious metal bracelet straightening device and bracelet straightening machine

Abstract

The present application relates to precious metal bracelet processing technical field, especially to a kind of precious metal bracelet shaping device and bracelet shaping machine, the precious metal bracelet shaping device includes: translation driving mechanism, lifting driving mechanism and correction mechanism, translation driving mechanism is connected with lifting driving mechanism, lifting driving mechanism is connected with correction mechanism, correction mechanism includes shaping component and grab drive part, the number of shaping component is two, two shaping components are installed on grab drive part, grab drive part drives two shaping components to combine or separate, when two shaping components combine, form shaping space.The precious metal bracelet shaping device of the present application, the way that two shaping components are combined or separated by using grab drive part to drive two shaping components, it is beneficial to two shaping components to combine into shaping space, the outer wall of bracelet is shaped and handled, can effectively increase the contact area of shaping component and bracelet, to reach the purpose of improving the shaping efficiency of bracelet.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of precious metal bracelet processing, in particular to a precious metal bracelet shaping device and a bracelet shaping machine. BACKGROUND

[0002] Before polishing, the surface of the precious metal bracelet can be extruded flat to reduce the surface roughness of the bracelet and improve the polishing effect. In the traditional technology, the bracelet shaping machine extrudes the surface of the bracelet to reduce the surface roughness of the bracelet. For example, the hollow bracelet shaping machine disclosed in the invention patent with the application number ZL201921751932.4 supports the bracelet by left and right support wheels, uses the upper and lower molds to jointly press on the bracelet to be shaped, and rotates to drive the bracelet to rotate, so that the bracelet is shaped under the extrusion restriction of the left and right support wheels. However, in the shaping process of the hollow bracelet shaping machine, the left and right support wheels not only have inconsistent stress points when they contact the bracelet, but also have limited contact area, which makes it difficult to shape the entire outer surface of the bracelet, and there is a problem of low shaping efficiency. SUMMARY

[0003] Therefore, it is necessary to provide a precious metal bracelet shaping device and a bracelet shaping machine to solve the problem of limited contact area when the bracelet shaping machine contacts the bracelet during the shaping process, which makes it difficult to shape the entire outer surface of the bracelet and has low shaping efficiency.

[0004] A precious metal bracelet shaping device, comprising: a translation driving mechanism, a lifting driving mechanism, and a correction mechanism, the translation driving mechanism is connected with the lifting driving mechanism and drives the lifting driving mechanism to move in a first direction, the lifting driving mechanism is connected with the correction mechanism and drives the correction mechanism to move in a second direction, the correction mechanism comprises a shaping assembly and a clamping driving piece, the number of the shaping assembly is two, both the shaping assemblies are installed on the clamping driving piece, the clamping driving piece drives the two shaping assemblies to combine or separate, and the two shaping assemblies combine to form a shaping space.

[0005] The precious metal bracelet shaping device, the clamping driving element controls the separation of the two shaping assemblies, through the cooperation of the translation driving mechanism and the lifting driving mechanism, the two separated shaping assemblies are controlled to move to the ring arm of the bracelet, the clamping driving element controls the combination of the two shaping assemblies, and the shaping space is formed, so that the outer wall of the bracelet is in the shaping space, and the rotating bracelet can effectively contact the shaping assembly in the shaping space, thereby shaping the outer wall of the bracelet. Through the above design, the clamping driving element is used to drive the combination or separation of the two shaping assemblies, which is beneficial to the cooperation of the translation driving mechanism and the lifting driving mechanism, controls the bracelet between the two separated shaping assemblies, and controls the combination of the two shaping assemblies into a shaping space, so as to clamp the outer wall of the bracelet in the shaping space and shape the outer wall of the bracelet. The contact area between the shaping assembly and the bracelet can be effectively increased to improve the shaping efficiency of the bracelet.

[0006] In one embodiment, the shaping assembly includes a fixed frame, a pressing block, and an elastic element. The fixed frame is connected to the clamping driving element. The number of pressing blocks is multiple, and the multiple pressing blocks are arranged around the axis of the shaping space and are slidably connected to the fixed frame. The number of elastic elements is multiple, and each elastic element drives each pressing block to approach the axis of the shaping space.

[0007] In one embodiment, the pressing block includes an extrusion portion and a guide portion. The extrusion portion has a shaping surface and a limiting surface. The shaping surface is located on one side of the extrusion portion close to the shaping space. The number of limiting surfaces is two, and the two limiting surfaces are located on both sides of the shaping surface. The guide portion is arranged at one end of the extrusion portion away from the shaping surface and is slidably connected to the fixed frame.

[0008] In one embodiment, the number of guide portions is multiple, and the multiple guide portions are arranged along the axis direction of the shaping space.

[0009] In one embodiment, the elastic element is sleeved on the guide portion.

[0010] In one embodiment, the extrusion portion further has a guide surface, and the guide surface is arranged between the two limiting surfaces.

[0011] In one embodiment, the shaping assembly further includes a limiting element, and the limiting element is connected to one end of the pressing block away from the shaping space.

[0012] In one embodiment, the fixed frame includes an adapter portion and a mounting portion. The adapter portion is connected to the lifting driving mechanism, and the mounting portion is slidably connected to each pressing block.

[0013] In one of the embodiments, the mounting portion is polygonal in shape, and a slide hole matched with the pressing block is arranged on a right-angle side of the mounting portion.

[0014] The bracelet shaping machine comprises the noble metal bracelet shaping device. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The noble metal bracelet shaping device is shown in the structural schematic view.

[0016] Figure 2 The noble metal bracelet shaping device is shown in the structural schematic view. Figure 1 The correction mechanism of the noble metal bracelet shaping device is shown in the structural schematic view.

[0017] Figure 3 The correction mechanism is shown in the structural schematic view. Figure 2

[0018] Figure 4 The pressing block of the shaping assembly is shown in the structural schematic view. Figure 3

[0019] Figure 5 The bracelet shaping machine is shown in the structural schematic view.

[0020] The meanings of the reference numerals in the drawings are as follows:

[0021] 100, noble metal bracelet shaping device;

[0022] 10, translation driving mechanism;

[0023] 20, lifting driving mechanism;

[0024] 30, correction mechanism; 31, shaping assembly; 32, clamping driving member; 33, adapter frame; 34, fixing frame; 341, slide hole; 342, adapter portion; 343, mounting portion; 344, reinforcing rib; 35, pressing block; 351, extrusion portion; 352, guide portion; 353, shaping surface; 354, limiting surface; 355, guide surface; 356, threaded hole; 36, elastic member; 37, limiting member;

[0025] 200, bracelet shaping machine; 201, motor; 202, supporting wheel; 203, tensioning assembly; 204, three-claw air cylinder; 205, roller clamping assembly. DETAILED DESCRIPTION

[0026] ​​In order to make the above objectives, features and advantages of the present application more clear and comprehensible, the specific embodiments of the present application will be described below in detail with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be practiced in many different ways from what is described herein, and should not be construed as being limited to the embodiments set forth herein, but should be understood to include all possible embodiments.

[0027] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are merely for the purpose of facilitating the description of the present application and simplifying the description, and therefore should not be construed as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present application.

[0028] In addition, the terms "first", "second", "third", etc. are used only for descriptive purposes and should not be construed as indicating or implying relative importance or a specific number of the technical features indicated. Therefore, the features defined with "first", "second", etc. can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise explicitly specified.

[0029] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0030] In the present application, unless otherwise explicitly specified and limited, the first feature "on" or "under" the second feature can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature "above", "over" and "on" the second feature can be that the first feature is directly above or obliquely above the second feature, or it can only mean that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "under" and "under" the second feature can be that the first feature is directly below or obliquely below the second feature, or it can only mean that the horizontal height of the first feature is less than that of the second feature.

[0031] It is to be understood that when an element as a "fixed" or "disposed" in another element, it can be directly on another element or there can be a middle element. When an element is considered to be "connected" to another element, it can be directly connected to another element or there can be a middle element. The terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used herein are for illustrative purposes only and are not the only implementation.

[0032] As shown in Figure 1 The precious metal bracelet shaping device 100 shown in the present application is used for processing a bracelet.

[0033] As shown in Figure 1 The precious metal bracelet shaping device 100 includes a translation driving mechanism 10, a lifting driving mechanism 20 and a correction mechanism 30, wherein the translation driving mechanism 10 cooperates with the lifting driving mechanism 20 to control the correction mechanism 30 to contact the bracelet, and the correction mechanism 30 is used to extrude the bracelet to perform shaping treatment on the bracelet.

[0034] In the following, the precious metal bracelet shaping device 100 described above will be further described in conjunction with Figures 1 to 4

[0035] As shown in Figure 1 With the rotation axis of the bracelet as a reference, a second direction F2 perpendicular to the rotation axis and a first direction F1 perpendicular to the second direction F2 are made, the translation driving mechanism 10 is connected with the lifting driving mechanism 20 and drives the lifting driving mechanism 20 to move along the first direction F1, the lifting driving mechanism 20 is connected with the correction mechanism 30 and drives the correction mechanism 30 to move along the second direction F2, through the cooperation of the translation driving mechanism 10 and the lifting driving mechanism 20, it is beneficial to control the correction mechanism 30 to move in directions perpendicular to each other to select a suitable position to contact the bracelet.

[0036] In the present embodiment, the translation driving mechanism 10 and the lifting driving mechanism 20 can both be selected as a screw type linear module, the control precision of the screw type linear module is high, which is beneficial to improve the shaping precision of the correction mechanism 30.

[0037] As shown in Figure 2 ​As shown, the correcting mechanism 30 comprises a shaping assembly 31 and a clamping driving member 32, the shaping assembly 31 is two in number, both of which are installed on the clamping driving member 32, the clamping driving member 32 drives the two shaping assemblies 31 to combine or separate, and when combined, the two shaping assemblies 31 enclose a shaping space, wherein the clamping driving member 32 is connected with the lifting driving mechanism 20 through an adapter 33, and the clamping driving member 32 can be selected as a screw type electric clamp jaw, which has high position repeatability, thereby improving the combination accuracy of the shaping assembly 31.

[0038] Specifically, as shown in the figure, Figure 3 The shaping assembly 31 comprises a fixing frame 34, a plurality of pressing blocks 35, and a plurality of elastic members 36, the fixing frame 34 is connected with the clamping driving member 32, the plurality of pressing blocks 35 are arranged around the axis of the shaping space and are all in sliding connection with the fixing frame 34, the fixing frame 34 is provided with sliding holes 341 matched with the pressing blocks 35, and the plurality of elastic members 36 are arranged to drive the pressing blocks 35 to approach the axis of the shaping space, wherein the elastic members 36 are springs, the way of driving the pressing blocks 35 to approach the axis of the shaping space by the elastic members 36 is beneficial to reduce the extrusion force generated when the pressing blocks 35 rigidly contact with the bracelet, thereby avoiding damage to the bracelet, and the pressure provided by the elastic members 36 is beneficial to gradually extrude the bracelet by the pressing blocks 35, thereby realizing extrusion shaping of the bracelet.

[0039] As shown in the figure, Figure 3 The fixing frame 34 comprises an adapter portion 342 and a mounting portion 343, the adapter portion 342 is connected with the lifting driving mechanism 20, and the mounting portion 343 is in sliding connection with the pressing blocks 35, wherein the adapter portion 342 is arranged in an L shape, the fixing frame 34 further comprises a reinforcing rib 344 connected with the adapter portion 342, which is beneficial to increase the support strength of the adapter portion 342 to the mounting portion 343, thereby avoiding shaking of the mounting portion 343 mounting the pressing blocks 35 during use, and the mounting portion 343 is arranged in a polygonal shape, and the right-angle side of the mounting portion 343 is provided with the sliding holes 341 matched with the pressing blocks 35, and the way of arranging the sliding holes 341 on the right-angle side is beneficial to the opening of the sliding holes 341 and improves the opening accuracy and convenience of the sliding holes 341.

[0040] Further, as shown in the figure, Figure 4As shown, the pressing block 35 comprises an extruding part 351 and a guiding part 352, the extruding part 351 has a shaping surface 353 and a limiting surface 354, the shaping surface 353 is located on one side of the extruding part 351 close to the shaping space, the limiting surface 354 is two in number, and the two limiting surfaces 354 are respectively located on both sides of the shaping surface 353, the guiding part 352 is multiple in number, the multiple guiding parts 352 are arranged along the axial direction of the shaping space, and are located at one end of the extruding part 351 away from the shaping surface 353 and are in sliding connection with the fixed frame 34, wherein the shaping surface 353 is an arc surface, when the two shaping assemblies 31 are combined, the limiting surfaces 354 of the extruding parts 351 are in contact with each other, and the size of the shaping space is controlled through the limiting surfaces 354, so as to effectively limit the shape of the bracelet, and the freedom of the extruding part 351 is limited through the multiple guiding parts 352, which is beneficial to avoid the deviation of the extruding part 351 when extruding the bracelet, so as to improve the shaping precision of the bracelet. Further, the extruding part 351 also has a guide surface 355 arranged between the two limiting surfaces 354.

[0041] In the embodiment, the elastic member 36 is sleeved on the guiding part 352, and the guiding part 352 is selected to be cylindrical or prismatic in shape, and the cylindrical guiding part 352 is beneficial to sleeving of the elastic member 36 and improves the convenience of sleeving.

[0042] As shown in Figure 3 The shaping assembly 31 further comprises a limiting member 37 connected to one end of the guiding part 352 of the pressing block 35 away from the shaping space, wherein the limiting member 37 is a screw, the guiding part 352 of the pressing block 35 has a threaded hole 356 matched with the limiting member 37, through the cooperation of the limiting member 37 and the guiding part 352 of the pressing block 35, not only the installation of the limiting member 37 is facilitated, but also the separation of the pressing block 35 and the fixed frame 34 is effectively avoided, so as to avoid the situation that the pressing block 35 is separated from the fixed frame 34.

[0043] As shown in Figure 5As shown, it is the bracelet shaping machine 200 shown in the present application, the bracelet shaping machine 200, comprising the noble metal bracelet shaping device 100 of any one of the above, specifically, the bracelet shaping machine 200 includes motor 201, support wheel 202, tensioning assembly 203, three-grab air cylinder 204, roller clamping assembly 205, transmission belt (not shown) and the noble metal bracelet shaping device 100, wherein the number of roller clamping assembly 205 is multiple, each roller clamping assembly 205 is installed on the three-grab air cylinder 204, and each roller clamping assembly 205 is driven by the three-grab air cylinder 204 to approach each other to clamp the bracelet, in use, the transmission belt is sleeved on the motor 201, the support wheel 202 and each roller clamping assembly 205, the tensioning assembly 203 is used to control the transmission belt in a tensioned state, so that the motor 201 provides power for each roller clamping assembly 205 to drive the bracelet to rotate, then the noble metal bracelet shaping device 100 is used to shape the rotating bracelet. The bracelet shaping machine 200 through the noble metal bracelet shaping device 100 described above, is conducive to reducing the shaping time of the bracelet, so as to achieve the purpose of improving the processing efficiency of the noble metal bracelet.

[0044] Each of the technical features of the above-described embodiments can be combined arbitrarily, and in order to make the description concise, not all possible combinations of each technical feature in the above-described embodiments are described, however, as long as the combination of these technical features does not exist contradictory, it should be considered as the scope of the present application.

[0045] The above-described embodiments only express several embodiments of the present application, which are described in detail and in detail, but it cannot be understood as limiting the scope of the patent. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which are within the scope of the present application. Therefore, the scope of protection of the present application patent should be subject to the appended claims.

Claims

1. A precious metal bracelet sizing device, characterized by, The application relates to a precious metal bracelet shaping device, which comprises a translation driving mechanism, a lifting driving mechanism and a correction mechanism. The translation driving mechanism is connected with the lifting driving mechanism and drives the lifting driving mechanism to move in a first direction; the lifting driving mechanism is connected with the correction mechanism and drives the correction mechanism to move in a second direction; the correction mechanism comprises two shaping assemblies and a clamping driving element; the two shaping assemblies are installed on the clamping driving element; the clamping driving element drives the two shaping assemblies to combine or separate; and the two shaping assemblies combine to form a shaping space. The shaping assembly comprises a fixing frame, a plurality of pressing blocks and a plurality of elastic elements; the fixing frame is connected with the clamping driving element; the plurality of pressing blocks are arranged around an axis of the shaping space and are slidably connected with the fixing frame; and the plurality of elastic elements drive the pressing blocks to be close to the axis of the shaping space. The pressing block comprises a pressing part and a guide part; the pressing part has a shaping surface and a limiting surface; the shaping surface is located on one side of the pressing part close to the shaping space; the limiting surface has two limiting surfaces which are respectively located on two sides of the shaping surface; and the guide part is arranged at one end of the pressing part away from the shaping surface and is slidably connected with the fixing frame. The guide part has a plurality of guide parts arranged along the axis of the shaping space; the pressing part further has a guide surface arranged between the two limiting surfaces; the shaping assembly further comprises a limiting element connected with one end of the pressing block away from the shaping space; the fixing frame comprises a connecting part and a mounting part; the connecting part is connected with the lifting driving mechanism; the mounting part is slidably connected with the pressing block; the mounting part is in a polygonal shape; and a sliding hole matched with the pressing block is arranged on a right-angle side of the mounting part.

2. The precious metal bracelet sizing device of claim 1, wherein, The elastic element is sleeved on the guide part.

3. A bracelet straightening machine characterized by comprising: The application further discloses a precious metal bracelet shaping device. The application further discloses a precious metal bracelet shaping device.

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