A product fixing device

Abstract

This utility model discloses a product fixing device, belonging to the field of tooling and fixture technology. The product fixing device includes a base, a first pressure head fixed to the base, and a first clamping assembly and a second clamping assembly disposed on the base. The first clamping assembly includes a second pressure head, and the second clamping assembly includes a third pressure head. The first pressure head has a first clamping portion; the second pressure head has a second clamping portion, and the third pressure head has a third clamping portion. The first, second, and third pressure heads are arranged adjacent to each other. Each of the first, second, and third clamping portions has a contoured groove to adapt to the contours of different positions on the product surface. When the product fixing device is in a first state, the first, second, and third pressure heads abut against each other so that their contoured grooves fit the product, thus fixing the product and solving the problem of product damage.

Description

Technical Field

[0001] This utility model relates to the field of tooling and fixture technology, and in particular to a product fixing device. Background Technology

[0002] Electronic products, such as wireless Bluetooth headsets, are typically assembled and tested by fixing them to tooling fixtures. These fixtures have two pressure heads used to press the product against opposite sides. However, on the one hand, the product's glossy appearance makes it susceptible to damage from pressure marks during assembly; on the other hand, the product's irregular curved surface, which requires fixing to its shape during assembly, can cause uneven force between the pressure heads and the product, resulting in damage and defects, thus affecting the product yield. Utility Model Content

[0003] The purpose of this utility model is to provide multiple embodiments of a product fixing device for fixing products, wherein at least one embodiment solves the problem in the prior art that the product is damaged due to excessive pressure from the pressure head, which affects the product yield.

[0004] To achieve this objective, the present invention adopts the following technical solution:

[0005] A product fixing device includes a base, a first pressure head fixed to the base, and a first clamping assembly and a second clamping assembly disposed on the base. The first clamping assembly includes a second pressure head, and the second clamping assembly includes a third pressure head. The first pressure head has a first clamping portion; the second pressure head has a second clamping portion; and the third pressure head has a third clamping portion.

[0006] The first pressure head, the second pressure head, and the third pressure head are arranged adjacent to each other. The first pressing part, the second pressing part, and the third pressing part are all formed with contour grooves to adapt to the contours of different positions on the product surface. When the product fixing device is in the first state, the first pressure head, the second pressure head, and the third pressure head abut against each other so that the contour grooves of the three are properly fitted to the product.

[0007] In some possible implementations, reference surfaces are formed on both sides of the contour groove on the first press head, a first limiting surface is formed on one side of the contour groove on the second press head, and a second limiting surface is formed on one side of the contour groove on the third press head. When the product fixing device is in the first state, both the first limiting surface and the second limiting surface are in contact with the reference surfaces.

[0008] In some possible implementations, the second pressure head has a third limiting surface located on the other side of the contour groove relative to the first limiting surface, and the third pressure head has a fourth limiting surface located on the other side of the contour groove relative to the second limiting surface. When the product fixing device is in the first state, the third limiting surface and the fourth limiting surface abut and fit together.

[0009] In some possible implementations, both the first clamping assembly and the second clamping assembly include an elastic element, and the base is provided with a mounting block. The mounting block is correspondingly arranged with the first clamping assembly and the second clamping assembly. One end of the elastic element of the first clamping assembly is connected to the second pressure head, and the other end is connected to the mounting block. One end of the elastic element of the second clamping assembly is connected to the third pressure head, and the other end is connected to the mounting block.

[0010] In some possible implementations, both the second pressure head and the third pressure head are connected to a push rod, which passes through and is slidably disposed on the mounting block.

[0011] In some possible implementations, the elastic element is a spring, which is sleeved on the push rod.

[0012] In some possible implementations, the mounting block is detachably connected to the base.

[0013] In some possible implementations, the base is provided with guide structures corresponding to the second pressure head and the third pressure head, respectively, and the second pressure head and the third pressure head are respectively mounted on the corresponding guide structures, the guide structures being used to define the moving direction of the second pressure head and the third pressure head.

[0014] In some possible implementations, the sliding directions of the second pressure head and the third pressure head are perpendicular to each other.

[0015] In some possible implementations, the guide structure includes a guide rail and a slider slidably connected to the guide rail, the guide rail being fixed to the base, a second pressure head of the first pressing assembly being connected to the slider of the corresponding guide structure, and a third pressure head of the second pressing assembly being connected to the slider of the corresponding guide structure.

[0016] The beneficial effects of this utility model are:

[0017] The present invention provides a product fixing device, wherein the first pressing part, the second pressing part and the third pressing part are all provided with contour grooves to adapt to the contours of different positions on the product surface, ensuring that the product and the contour groove fit together, and avoiding uneven force between the pressing head and the product due to the irregular curved surface of the product's shape, which could cause the product to be crushed.

[0018] When the product fixing device is in the first state, the first, second, and third pressure heads abut against each other to clamp and fix the product. If one or two pressure heads apply excessive pressure to the product, the excess pressure will be absorbed by the other pressure heads, i.e., the excessive pressure will be released, ensuring balanced force on the product surface and preventing excessive pressure from the pressure heads, which could damage the product and affect the yield. The three pressure heads apply a preset pressure to the corresponding contour from three directions to fix it. By distributing the force to the product in multiple directions, the uniformity of force on the contour surface is ensured, preventing excessive force from the pressure heads, which could damage the product and affect the yield. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of a product fixing device provided in a specific embodiment of this utility model;

[0020] Figure 2 This is a schematic diagram of the base and the first pressure head provided in a specific embodiment of the present utility model;

[0021] Figure 3 This is a schematic diagram of the first clamping component provided in a specific embodiment of the present invention;

[0022] Figure 4 This is a schematic diagram of the second clamping component provided in a specific embodiment of the present invention;

[0023] Figure 5 This is a top view of the product fixing device provided in a specific embodiment of this utility model.

[0024] In the picture:

[0025] 1. Base; 11. Placement area;

[0026] 2. First pressure head; 21. First clamping part; 22. Reference surface;

[0027] 3. First clamping assembly; 31. Second pressure head; 311. First limiting surface; 313. Second clamping part; 315. Third limiting surface; 32. Elastic element; 33. Push rod; 34. Handle; 35. Guide rail; 36. Slider; 37. Guide structure;

[0028] 4. Installation block;

[0029] 6. Second clamping assembly; 61. Third pressure head; 611. Third clamping part; 612. Second limiting surface; 613. Fourth limiting surface. Detailed Implementation

[0030] To make the technical problems solved by this utility model, the technical solutions adopted, and the technical effects achieved clearer, the technical solutions of the embodiments of this utility model will be further described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0031] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0032] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0033] like Figures 1-5 As shown, this embodiment provides a product fixing device, including a base 1, a first pressing head 2 fixed to the base 1, and a first pressing assembly 3 and a second pressing assembly 6 disposed on the base 1. The first pressing head 2 has a first pressing portion 21. The first pressing assembly 3 includes a second pressing head 31, which has a second pressing portion 313. The second pressing assembly 6 includes a third pressing head 61, which has a third pressing portion 611. The first pressing head 2, the second pressing head 31, and the third pressing head 61 are arranged adjacent to each other. Each of the first pressing portion 21, the second pressing portion 313, and the third pressing portion 611 has a contour groove for adapting to the contour of different positions on the product surface. When the product fixing device is in a first state, the first pressing head 2, the second pressing head 31, and the third pressing head 61 abut against each other so that the contour grooves of the three parts fit the product.

[0034] When the product fixing device is used to fix the product, the first pressing part 21, the second pressing part 313 and the third pressing part 611 are all used to adhere to the product. The first pressing part 21, the second pressing part 313 and the third pressing part 611 abut against the product from three directions to fix the product.

[0035] Specifically, if the product's outer contour is irregular, the irregular contour is divided into three parts. The first pressing head 2, the second pressing head 31, and the third pressing head 61 surround the product. Each of the three contours corresponds one-to-one with the first pressing head 2, the second pressing head 31, and the third pressing head 61; that is, each of the three contours corresponds one-to-one with the first pressing part 21, the second pressing part 313, and the third pressing part 611. Each of the first pressing part 21, the second pressing part 313, and the third pressing part 611 is provided with a contour groove to adapt to the contours at different locations on the product surface.

[0036] In one embodiment, the product is a Bluetooth wireless earphone. The outer contour of the earphone head is divided into any three segments, and each of the three segments can be an arc segment of different length or curvature, that is, it can be understood as an irregular shape.

[0037] When the product fixing device is in the first state, the first pressure head 2, the second pressure head 31 and the third pressure head 61 abut against each other, and the contour grooves of the first pressing part 21, the second pressing part 313 and the third pressing part 611 are adapted to fit the product, so as to achieve product clamping and fixing.

[0038] 1. The shape of the contour groove matches the outline of the product, ensuring a close fit between the product and the contour groove, thus positioning the product and guaranteeing a clamping effect. This also prevents uneven force distribution between the pressure head and the product due to irregular curved surfaces, which could lead to product damage.

[0039] 2. The first pressure head 2, the second pressure head 31, and the third pressure head 61 abut against each other. When one or two pressure heads exert excessive pressure on the product, the excess pressure will be absorbed by the other pressure heads, thus releasing the excess pressure and ensuring balanced force on the product surface. This prevents the product from being damaged due to excessive pressure from the pressure heads. For example, if the second pressure head 31 exerts excessive pressure on the product, the excess pressure will be absorbed by the first pressure head 2 and the third pressure head 61, achieving pressure release. Alternatively, if both the second pressure head 31 and the third pressure head 61 exert excessive pressure on the product, the excess pressure will be absorbed by the first pressure head 2, achieving pressure release.

[0040] III. Reference Figure 5The second pressure head 31 and the third pressure head 61 apply forces F2 and F3 to the product, respectively. Based on the principle of action and reaction, the first pressure head 2 applies a force of F1 to the product. By dividing the product contour into three circumferential sections, the three pressure heads apply a preset pressure of F1, F2, and F3 to the corresponding contours from three directions. Each force is released along the contact surface between the pressing part and the contour. By distributing the force to the product in multiple directions, the uniformity of force on the contour's bearing surface is ensured, preventing damage to the product due to excessive pressure from the pressure heads, thus affecting the product yield. Specifically, F1, F2, and F3 can be determined through testing.

[0041] Fourth, by applying pressure to the product from three directions, when overpressure occurs, the pressure will be released to reduce the pressure of the pressure head on the product, preventing the pressure head surface from being worn by force, thus ensuring pressure stability during multiple cycles of use.

[0042] The first pressure head 2 has a reference surface 22. A first limiting surface 311 is formed on one side of the contour groove on the second pressure head 31, and a second limiting surface 612 is formed on one side of the contour groove on the third pressure head 61. When the product fixing device is in the first state, both the first limiting surface 311 and the second limiting surface 612 abut against the reference surface 22, thereby achieving contact between the second pressure head 31 and the third pressure head 61 and the first pressure head 2, respectively. Based on the fixing of the first pressure head 2, the second pressure head 31 and the third pressure head 61 are restricted and press against the product by the interference fit of the first pressure head 2. While the second pressure head 31 and the third pressure head 61 abut against the first pressure head 2, they also abut against each other to achieve further mutual restriction. Thus, the first pressure head 2, the second pressure head 31, and the third pressure head 61 abut against each other from three directions, cooperating to restrict movement. When the second pressure head 31 and the third pressure head 61 exert excessive pressure on the product, the excessive pressure will be absorbed by the first pressure head 2, thus releasing the pressure. The excessive pressure generated between the second pressure head 31 and the third pressure head 61 will also be mutually absorbed, ensuring uniform pressure on the product and preventing damage caused by excessive pressure. Specifically, both sides of the first pressing part 21 are reference surfaces 22, and the first limiting surface 311 and the second limiting surface 612 are in contact with and abut against the reference surfaces 22 on both sides. The reference surfaces 22, the first limiting surface 311, and the second limiting surface 612 achieve a surface-to-surface contact, resulting in more stable positioning.

[0043] The second pressure head 31 has a third limiting surface 315, located on the other side of the contour groove opposite to the first limiting surface 311. The third pressure head 61 has a fourth limiting surface 613, located on the other side of the contour groove opposite to the second limiting surface 612. When the product fixing device is in the first state, the third limiting surface 315 and the fourth limiting surface 613 abut against each other, thereby achieving mutual contact between the second pressure head 31 and the third pressure head 61. If one of the second pressure head 31 or the third pressure head 61 over-presses the product, the over-pressurization will be absorbed by the other, realizing pressure release, ensuring uniform pressure on the product, and preventing over-pressurization from causing product damage. The third limiting surface 315 and the fourth limiting surface 613 achieve surface-to-surface contact, making the limiting more stable. Specifically, the first limiting surface 311 and the third limiting surface 315 are located on both sides of the contour groove, and the two are set at an included angle. The second limiting surface 612 and the fourth limiting surface 613 are located on both sides of the contour groove, and the two are set at an angle.

[0044] The first pressing part 21, the second pressing part 313, and the third pressing part 611 are located circumferentially on the product. The central angle range of the first pressing part 21, the second pressing part 313, and the third pressing part 611 corresponding to the product is 90°-150°. The pressing parts can fully contact the corresponding contours, avoiding the situation where the contact area between the pressing parts and the contours is too small, which would prevent the product from failing to be positioned and causing damage when the product is tilted. Furthermore, the pressing parts should avoid having too large a contact area with the contours, which would result in uneven force applied by the pressing head to the corresponding contours on the product surface. Specifically, the central angle range of the first pressing part 21, the second pressing part 313, and the third pressing part 611 corresponding to the product can be 90°, 100°, 120°, or 150°, etc., but the sum of the central angles of the first pressing part 21, the second pressing part 313, and the third pressing part 611 corresponding to the product does not exceed 360°. Optionally, the first pressing part 21, the second pressing part 313 and the third pressing part 611 are evenly distributed in the circumferential direction of the product, and each corresponds to a central angle of 120° in the product. That is, the product's outer contour is divided into three equal parts along the circumferential direction, and the three pressing heads are evenly distributed around the product to further ensure the uniformity of force on the three contour surfaces.

[0045] In one embodiment, the base 1 and the first pressure head 2 are integrally formed, and the mounting block 4 is detachably connected to the base 1 by fasteners such as screws. In other embodiments, the first pressure head 2 can be detachably connected to the base 1 by fasteners such as screws. A placement area 11 is formed above the base 1, between the first pressure head 2, the first pressing assembly 3, and the second pressing assembly 6. When fixing the product, the product is placed in the placement area 11.

[0046] In one embodiment, both the first pressing assembly 3 and the second pressing assembly 6 include an elastic element 32. A mounting block 4 is correspondingly disposed with the first pressing assembly 3 and the second pressing assembly 6. One end of the elastic element 32 of the first pressing assembly 3 is connected to the second pressing head 31, such as connecting to the side of the second pressing head 31 away from the second pressing part 313, and the other end is connected to the mounting block 4. One end of the elastic element 32 of the second pressing assembly 6 is connected to the third pressing head 61, such as connecting to the side of the third pressing head 61 away from the third pressing part 611, and the other end is connected to the mounting block 4. In the initial state, the second pressing head 31 and the third pressing head 61 are both located in the first position, that is, the product fixing device is in the first state. The first pressing head 2, the second pressing head 31, and the third pressing head 61 abut against each other so that the contoured groove of the three fits the product, and the first pressing head 2, the second pressing head 31, and the third pressing head 61 partially obstruct the placement area 11. When the elastic element 32 is compressed, both the second pressure head 31 and the third pressure head 61 are in the second position, i.e., the product fixing device is in the second state. The first pressure head 2, the second pressure head 31, and the third pressure head 61 are far apart, thereby increasing the exposed area of ​​the placement area 11, facilitating the insertion and removal of the product. With the elastic element 32 compressed (i.e., the product fixing device is in the second state), the product is placed in the placement area 11. Afterward, the elastic element 32 automatically resets to its initial state, thus enclosing the product. By setting the elastic element 32, without external force, the elastic force of the elastic element 32 automatically provides pressure to the second pressure head 31 and the third pressure head 61 to press them firmly against the product contour. By switching between the initial state and the compressed state of the elastic element 32, the product fixing device can be switched between the first state and the second state. Optionally, the elastic element 32 is a spring.

[0047] Both the second pressure head 31 and the third pressure head 61 are connected to push rods 33, which pass through and slide on the mounting block 4. The push rods 33 enable the sliding of the second pressure head 31 and the third pressure head 61, thus switching the state of the elastic element 32. Pulling the push rods 33 outward compresses the elastic element 32, facilitating operation. Optionally, two mounting blocks 4 are provided, corresponding to the first clamping assembly 3 and the second clamping assembly 6 respectively.

[0048] Furthermore, the other end of the push rod 33 is connected to a handle 34. The handle 34 and the second pressure head 31 of the first pressing assembly 3 are located on both sides of the mounting block 4, and a spring is sleeved on the push rod 33. By pulling the handle 34 to overcome the elastic force of the elastic element 32, the second pressure head 31 is positioned in the second position. The handle 34 and the third pressure head 61 of the second pressing assembly 6 are located on both sides of the mounting block 4, and a spring is sleeved on the push rod 33. By pulling the handle 34 to overcome the elastic force of the elastic element 32, the third pressure head 61 is positioned in the second position.

[0049] The base 1 is provided with guide structures 37 corresponding to the second pressure head 31 and the third pressure head 61, respectively. The second pressure head 31 and the third pressure head 61 are respectively mounted on the corresponding guide structures 37, which are used to limit the movement direction of the second pressure head 31 and the third pressure head 61. That is, the second pressure head 31 and the third pressure head 61 are slidably connected to the base 1 along a preset direction through the guide structures 37, ensuring that the second pressure head 31 moves along the preset direction, thereby ensuring that the second pressure head 31 applies force to the product in the preset direction, ensuring the accuracy of the direction of the force applied by the pressure head, and ensuring good reliability. Optionally, the sliding directions of the second pressure head 31 and the third pressure head 61 are perpendicular to each other. In other embodiments, the sliding directions of the second pressure head 31 and the third pressure head 61 can also be set at other angles, which is not limited.

[0050] In one embodiment, the guide structure 37 includes a guide rail 35 and a slider 36 slidably connected to the guide rail 35. The guide rail 35 is fixed to the base 1 along a preset direction. The second pressure head 31 of the first pressing assembly 3 is connected to the slider 36 of the corresponding guide structure 37, and the third pressure head 61 of the second pressing assembly 6 is connected to the slider 36 of the corresponding guide structure 37. For example, the two guide rails 35 are installed perpendicularly to each other on the base 1, so that the sliding directions of the second pressure head 31 and the third pressure head 61 are perpendicular to each other.

[0051] In one embodiment, the guide structure 37 includes a groove in the base 1 and a slide table on the second pressure head 31 and the third pressure head 61. The slide table and the groove are slidably engaged, so that the second pressure head 31 is slidably connected to the corresponding groove on the base 1 through the slide table, and the third pressure head 61 is slidably connected to the corresponding groove on the base 1 through the slide table. The two grooves are used to limit the movement direction of the second pressure head 31 and the third pressure head 61.

[0052] The steps for using the product securing device include: pulling handle 34 to the second position, such as manually pulling handle 34, exposing placement area 11 above base 1. Place the product into placement area 11, release handle 34, so that the product is positioned so that the first pressure head 2, second pressure head 31, and third pressure head 61 abut against each other, with the contoured grooves of the three heads surrounding the product. The product can then be placed into the production line along with the product securing device for the next process.

[0053] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A product securing device, characterized in that, The device includes a base, a first pressure head fixed to the base, and a first clamping assembly and a second clamping assembly disposed on the base. The first clamping assembly includes a second pressure head, and the second clamping assembly includes a third pressure head. The first pressure head has a first clamping portion, the second pressure head has a second clamping portion, and the third pressure head has a third clamping portion. The first pressure head, the second pressure head, and the third pressure head are arranged adjacent to each other. The first pressing part, the second pressing part, and the third pressing part are all formed with contour grooves to adapt to the contours of different positions on the product surface. When the product fixing device is in the first state, the first pressure head, the second pressure head, and the third pressure head abut against each other so that the contour grooves of the three are properly fitted to the product.

2. The product securement device of claim 1, wherein The first pressure head has reference surfaces formed on both sides of the contour groove, the second pressure head has a first limiting surface formed on one side of the contour groove, and the third pressure head has a second limiting surface formed on one side of the contour groove. When the product fixing device is in the first state, the first limiting surface and the second limiting surface are both in contact with the reference surfaces.

3. The product securement device of claim 2, wherein, The second pressure head has a third limiting surface, which is located on the other side of the contour groove relative to the first limiting surface. The third pressure head also has a fourth limiting surface, which is located on the other side of the contour groove relative to the second limiting surface. When the product fixing device is in the first state, the third limiting surface and the fourth limiting surface abut and fit together.

4. The product securement device of claim 1, wherein, Both the first and second clamping components include elastic elements. The base is provided with mounting blocks, which are correspondingly arranged with the first and second clamping components. One end of the elastic element of the first clamping component is connected to the second pressure head, and the other end is connected to the mounting block. One end of the elastic element of the second clamping component is connected to the third pressure head, and the other end is connected to the mounting block.

5. The product securement device of claim 4, wherein, Both the second pressure head and the third pressure head are connected to a push rod, which passes through and is slidably disposed on the mounting block.

6. The product securement device of claim 5, wherein, The elastic element is a spring, and the spring is sleeved on the push rod.

7. The product securement device of claim 4, wherein, The mounting block is detachably connected to the base.

8. The product securement device of any one of claims 1-7, wherein, The base is provided with guide structures corresponding to the second pressure head and the third pressure head respectively. The second pressure head and the third pressure head are respectively mounted on the corresponding guide structures. The guide structures are used to limit the movement direction of the second pressure head and the third pressure head.

9. The product securement device of claim 8, wherein, The sliding directions of the second pressure head and the third pressure head are perpendicular to each other.

10. The product securement device of claim 8, wherein, The guide structure includes a guide rail and a slider slidably connected to the guide rail. The guide rail is fixed to the base. The second pressure head of the first pressing assembly is connected to the slider of the corresponding guide structure, and the third pressure head of the second pressing assembly is connected to the slider of the corresponding guide structure.

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