Positioning jig

Abstract

The utility model provides a locating jig which comprises a fixing plate, the fixing plate is provided with a transverse limiting mechanism, a longitudinal limiting mechanism and a fixing mechanism, a product placing position is arranged between the transverse limiting mechanism and the longitudinal limiting mechanism, the product placing position is used for placing products, the transverse limiting mechanism is used for limiting transverse movement of the products, and the fixing mechanism is used for fixing the products. The longitudinal limiting mechanism is used for limiting longitudinal movement of a product, and the fixing mechanism is used for fixing the product and the jig body. The positioning jig has the advantages that the structure is reasonable, maintenance is easy, product positioning is convenient, the product is limited in the horizontal direction through the limiting mechanisms arranged in the four directions, then the product and the positioning jig are fixed through the fixing mechanism, the product is limited in the vertical direction, and the positioning jig is convenient to use. The device is simple in structure, convenient to operate and accurate in positioning, effectively guarantees the marking yield, and improves the marking efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of laser marking fixtures, in particular to a positioning fixture. Background Art

[0002] At present, clamping for marking cylindrical products in the market mostly adopts profiling fixtures. However, profiling fixtures are difficult to process and costly. When the fixture is damaged, the whole set of fixtures needs to be replaced and cannot be repaired. Moreover, it is not easy for workers to determine whether the product is placed in place during use.

[0003] The above problems not only bring high usage and maintenance costs to profiling fixtures, but also are related to the qualified rate of product marking.

[0004] Improvements to the existing technology are needed. Summary of the Utility Model

[0005] The technical problem to be solved by the utility model is to provide a positioning fixture with reasonable structure, easy to maintain and convenient for product positioning.

[0006] To solve the above technical problem, the technical solution adopted by the utility model is: a positioning fixture, including a fixing plate, the fixing plate is provided with a lateral limiting mechanism, a longitudinal limiting mechanism and a fixing mechanism. A product placement position is arranged between the lateral limiting mechanism and the longitudinal limiting mechanism. The product placement position is used for placing a product. The lateral limiting mechanism is used to limit the lateral movement of the product. The longitudinal limiting mechanism is used to limit the longitudinal movement of the product. The fixing mechanism is used to fix the product to the fixture body.

[0007] Further, the lateral limiting mechanism includes a first lateral limiting seat and a second lateral limiting seat, and the first lateral limiting seat and the second lateral limiting seat are respectively arranged on both sides along the width direction of the product placement position.

[0008] Further, there are two first lateral limiting seats and two second lateral limiting seats respectively.

[0009] Further, the longitudinal limiting mechanism includes a first longitudinal limiting seat and a second longitudinal limiting seat, and the first longitudinal limiting seat and the second longitudinal limiting seat are respectively arranged on both sides along the length direction of the product placement position.

[0010] Further, anti-scratch gaskets are provided on the opposite sides of the first lateral limiting seat and the second lateral limiting seat; anti-scratch gaskets are provided on the opposite sides of the first longitudinal limiting seat and the second longitudinal limiting seat.

[0011] Further, the fixing mechanism includes a pressure ring. One end of the pressure ring is movably connected to the first lateral limiting seat, and the other end of the pressure ring is connected to the second lateral limiting seat through a matching locking structure.

[0012] Further, the latch structure includes a hook provided on the pressure ring and a movable latch provided on the second lateral limiting seat.

[0013] Further, the movable latch is rotatably connected to the second lateral limiting seat, and a return spring is provided between the movable latch and the second lateral limiting seat.

[0014] Further, it further includes a base and a support column. The support column is provided on the fixed plate, and the base is connected to the fixed plate through the support column.

[0015] Further, the base is provided with a positioning block, the top of the positioning block is provided with a positioning pin, and the fixed plate is correspondingly provided with a positioning hole. When connecting the fixed plate and the base, the positioning pin can be inserted into the positioning hole of the fixed plate.

[0016] The beneficial effects of the present utility model are as follows: It provides a positioning jig with a reasonable structure, easy to maintain, and convenient for product positioning. The positioning jig limits the product in the horizontal direction through the limiting mechanisms arranged in four directions, and then fixes the product to the positioning jig through the fixing mechanism and limits the product in the vertical direction. The operation is convenient and the positioning is accurate, effectively ensuring the qualified rate of marking while improving the marking efficiency. Description of the Drawings

[0017] The following details the specific structure of the present utility model in conjunction with the drawings:

[0018] Figure 1 It is a schematic diagram of the overall structure of the positioning jig of the present utility model without installing the product;

[0019] Figure 2 It is a schematic top view structure diagram of the positioning jig of the present utility model without installing the product;

[0020] Figure 3 It is a schematic diagram of the overall structure of the positioning jig of the present utility model with the product installed;

[0021] Figure 4 is Figure 3 a detailed structure schematic diagram of part A in

[0022] Figure 5 It is a schematic top view structure diagram of the positioning jig of the present utility model with the product installed;

[0023] Figure 6 It is a schematic diagram of the structure of the positioning jig of the present utility model in a state of being ready for assembly;

[0024] Figure 7 It is a schematic diagram of the structure of the positioning jig of the present utility model in a state of being assembled;

[0025] 1 - Fixed plate; 11 - Support column; 12 - Positioning hole;

[0026] 21 - First horizontal limit seat; 22 - Second horizontal limit seat; 211 - Anti - scratch gasket; 221 - Movable locking hook;

[0027] 31 - First vertical limit seat; 32 - Second vertical limit seat;

[0028] 41 - Pressing ring; 411 - Hook; 412 - Knuckle position;

[0029] 5 - Base; 51 - Positioning block; 52 - Positioning pin;

[0030] 6 - Product. Detailed implementation manners

[0031] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0032] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation to the present utility model.

[0033] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more features. In the description of the present utility model, "a plurality" means two or more, unless otherwise specifically defined.

[0034] In the present utility model, unless otherwise clearly defined and limited, terms such as "installation", "connection", "coupling", "fixation" and the like shall be understood in a broad sense. For example, it may be a connection, a detachable connection, or an integral body; it may be a mechanical connection or an electrical connection; it may be a direct connection or an indirect connection through an intermediate medium, and it may be the internal communication of two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0035] In the present utility model, unless otherwise clearly defined and limited, the first feature being "above" or "below" the second feature may include the direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but in contact through other features therebetween. Moreover, the first feature being "above", "over" and "on" the second feature includes that the first feature is directly above and obliquely above the second feature, or merely indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature being "under", "beneath" and "underneath" the second feature includes that the first feature is directly below and obliquely below the second feature, or merely indicates that the horizontal height of the first feature is lower than that of the second feature.

[0036] In the description of this specification, the descriptions with reference to terms such as "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms should not be understood as necessarily referring to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine the different embodiments or examples described in this specification.

[0037] Embodiment

[0038] Please refer to Figures 1 to 7 , this embodiment provides a positioning jig, including a fixing plate 1. The fixing plate 1 is provided with a lateral limiting mechanism, a longitudinal limiting mechanism and a fixing mechanism. A product placement position is arranged between the lateral limiting mechanism and the longitudinal limiting mechanism. The product placement position is used for placing a product 6. The lateral limiting mechanism is used to limit the lateral movement of the product 6, the longitudinal limiting mechanism is used to limit the longitudinal movement of the product 6, and the fixing mechanism is used to fix the product 6 to the fixing plate.

[0039] In this embodiment, when the product 6 is placed at the product placement position of the fixed plate 1, the degrees of freedom of the product 6 in the horizontal direction can be restricted by the horizontal limiting mechanism and the vertical limiting mechanism. Subsequently, the product 6 is tightly fixed by the fixing mechanism, thereby limiting the product 6 in the vertical direction, effectively avoiding the situation of NG laser engraving caused by improper clamping of the product 6 during marking.

[0040] In one implementation, the structure of the horizontal limiting mechanism is improved to ensure the limiting effect of the horizontal limiting mechanism. Specifically, the horizontal limiting mechanism includes a first horizontal limiting seat 21 and a second horizontal limiting seat 22, and the first horizontal limiting seat 21 and the second horizontal limiting seat 22 are respectively arranged on both sides along the width direction of the product placement position.

[0041] In this implementation, by respectively arranging the first horizontal limiting seat 21 and the second horizontal limiting seat 22 on both sides of the width direction of the product placement position, when the product is placed at the product placement position, both sides of the product along the width direction can respectively abut against the first horizontal limiting seat 21 and the second horizontal limiting seat 22, thereby realizing the horizontal limiting of the product 6.

[0042] The first horizontal limiting seat 21 is provided with a first horizontal limiting seat fixing hole, and the second horizontal limiting seat 22 is provided with a second horizontal limiting seat fixing hole. The fixed plate 1 is respectively provided with horizontal limiting seat fixing holes corresponding to the first horizontal limiting seat fixing hole and the second horizontal limiting seat fixing hole, and the first horizontal limiting seat 21 and the second horizontal limiting seat 22 can be fixed to the fixed plate 1 by screws.

[0043] In order to facilitate the adaptation to products of different specifications, both the first horizontal limiting seat fixing hole and the second horizontal limiting seat fixing hole are waist-shaped holes with lengths extending along the width direction of the product placement position, allowing the first horizontal limiting seat 21 and the second horizontal limiting seat 22 to be adjusted along the width direction of the product placement position, so that the distance between the first horizontal limiting seat 21 and the second horizontal limiting seat 22 is adjustable, thereby being able to adapt to products 6 of different widths, which is very convenient.

[0044] In one implementation, the structure of the horizontal limiting mechanism is improved to ensure the limiting effect of the horizontal limiting mechanism. Specifically, there are two of each of the first horizontal limiting seat 21 and the second horizontal limiting seat 22.

[0045] In this implementation, in order to prevent the product 6 from rotating horizontally and being placed incorrectly, resulting in NG laser engraving, there are two of each of the first horizontal limiting seat 21 and the second horizontal limiting seat 22. Two horizontal limiting seats on one side can well prevent the product 6 from being skewed, thereby ensuring the limiting effect.

[0046] In one embodiment, the structure of the longitudinal limiting mechanism is improved to ensure the limiting effect of the longitudinal limiting mechanism. Specifically, the longitudinal limiting mechanism includes a first longitudinal limiting seat 31 and a second longitudinal limiting seat 32, and the first longitudinal limiting seat 31 and the second longitudinal limiting seat 32 are respectively arranged on both sides along the length direction of the product placement position.

[0047] In this embodiment, by respectively arranging the first longitudinal limiting seat 31 and the second longitudinal limiting seat 32 on both sides along the length direction of the product placement position, and placing the product 6 on the product placement position, both sides of the product 6 along the length direction can respectively abut against the first longitudinal limiting seat 31 and the second longitudinal limiting seat 32, so as to realize the longitudinal limiting of the product.

[0048] The first longitudinal limiting seat 31 is provided with a first longitudinal limiting seat fixing hole, and the second longitudinal limiting seat 32 is provided with a second longitudinal limiting seat fixing hole. The fixing plate is respectively provided with longitudinal limiting seat fixing holes corresponding to the first longitudinal limiting seat fixing hole and the second longitudinal limiting seat fixing hole, and the first longitudinal limiting seat 31 and the second longitudinal limiting seat 32 can be fixed to the fixing plate through screws.

[0049] In order to facilitate the adaptation to products 6 of different specifications, the first longitudinal limiting seat fixing hole and the second longitudinal limiting seat fixing hole are waist-shaped holes with lengths extending along the length direction of the product placement position, which can allow the first longitudinal limiting seat 31 and the second longitudinal limiting seat 32 to be adjusted along the length direction of the product placement position, realizing the adjustable distance between the first longitudinal limiting seat 31 and the second longitudinal limiting seat 32, so as to be able to adapt to products 6 of different lengths, which is very convenient.

[0050] In one embodiment, the structures of the transverse limiting mechanism and the longitudinal limiting mechanism are improved to reduce the influence of the transverse limiting mechanism and the longitudinal limiting mechanism on the appearance of the product. Specifically, anti-scratch gaskets 211 are provided on the opposite sides of the first transverse limiting seat 21 and the second transverse limiting seat 22; anti-scratch gaskets are provided on the opposite sides of the first longitudinal limiting seat 31 and the second longitudinal limiting seat 32.

[0051] In this embodiment, in order to prevent the product 6 from being scratched or abraded by the limiting seat, anti-scratch gaskets 211 are provided on the sides of the limiting seat facing the product 6. The material of the anti-scratch gasket 211 is POM (polyoxymethylene). POM (polyoxymethylene) is a hard, dense material with a smooth surface and luster, and has excellent properties such as fatigue resistance, creep resistance, wear resistance, heat resistance, and impact resistance, and has the characteristics of small friction coefficient and good self-lubrication. The anti-scratch gasket made of POM (polyoxymethylene) can effectively limit the product 6 and prevent the product 6 from being scratched.

[0052] In one embodiment, the structure of the fixing mechanism is improved to ensure the convenience and reliability of fixing the product 6. Specifically, the fixing mechanism includes a pressing ring 41, one end of the pressing ring 41 is movably connected to the first horizontal limiting seat 21, and the other end of the pressing ring 41 is connected to the second horizontal limiting seat 22 through a matching locking structure.

[0053] In this embodiment, in order to fix the cylindrical product 6, the pressing ring 41 is in an arc structure, and one end of the pressing ring 41 is movably connected to the first horizontal limiting seat 21. The pressing ring 41 can rotate along the connection point with the first horizontal limiting seat 21. The other end of the pressing ring 41 is connected to the second horizontal limiting seat 22 through a matching locking structure. When the other end of the pressing ring 41 is locked to the second horizontal limiting seat 22 through this locking structure, the pressing ring 41 can tightly fix the product 6 placed in the product placement position, realizing the vertical limit of the product 6; after unlocking the pressing ring, the pressing ring 41 can be rotated along the connection point of the first horizontal limiting seat 21, thereby releasing the product, which is very convenient.

[0054] In one embodiment, the structure of the locking structure is improved to ensure the reliability and stability of the product fixation by the locking structure. Specifically, the locking structure includes a hook 411 provided on the pressing ring 41 and a movable hook 221 provided on the second horizontal limiting seat 22.

[0055] In this embodiment, a hook 411 is provided on the pressing ring 41, and a movable hook 221 is correspondingly provided on the second horizontal limiting seat 22. The locking of the pressing ring 41 and the second horizontal limiting seat 22 is realized by the engagement of the movable hook 221 and the hook 411. When unlocking is required, the movable hook 221 is moved to separate the movable hook 221 from the hook 411, thereby realizing the unlocking of the pressing ring 41 and the second horizontal limiting seat 22, which is very convenient.

[0056] In one embodiment, the structure of the movable hook 221 is improved to ensure the reliability and stability of the product 6 fixation by the movable hook 221. Specifically, the movable hook 221 is rotatably connected to the second horizontal limiting seat 22, and a return spring is provided between the movable hook 221 and the second horizontal limiting seat 22.

[0057] In this embodiment, for the convenience of locking and unlocking the movable locking hook 221 and the pressing ring 41, the movable locking hook 221 is rotatably connected to the second lateral limiting seat 22, and a return spring is provided between the movable locking hook 221 and the second lateral limiting seat 22. On the side of the movable locking hook 221 facing the pressing ring 41, there is a matching guiding inclined surface. When the pressing ring 41 is rotated in the locking direction, the pressing ring 41 pushes the movable locking hook 221 through the guiding inclined surface, causing the movable locking hook 221 to rotate away from the hook 411. When the pressing ring 41 rotates in place, the movable locking hook 221 rotates in the direction close to the hook under the action of the return spring and engages with the hook 411, thereby achieving locking.

[0058] When unlocking is required, the movable locking hook 221 is rotated by hand or a tool to rotate it away from the hook. When the movable locking hook 221 rotates to the release position, the movable locking hook 221 disengages from the hook 411. At this time, the pressing ring 41 can be rotated in the release direction to achieve unlocking.

[0059] To facilitate applying an external force to the pressing ring 41, the pressing ring 41 is provided with a handle position 412. Through the handle position 412, it is convenient for the user to apply a force in the locking direction or a force in the release direction to the pressing ring 41.

[0060] In one embodiment, the structure of the positioning fixture is improved to ensure the smooth progress of the laser engraving work. Specifically, it further includes a base 5 and a support column 11. The support column 11 is disposed on the fixing plate 1, and the base 5 is connected to the fixing plate 1 through the support column 11.

[0061] In this embodiment, after the product 6 is fixed to the fixing plate 1 of the positioning fixture, the fixing plate 1 needs to be fixed at the marking working position for laser engraving and marking. To facilitate fixing the fixing plate 1 at the marking working position, the positioning fixture further includes a base 5 and a support column 11. Among them, the base 5 is fixed at the marking working position. When marking is required, the fixing plate 1 is fixed to the base 5 through the support column 11, and the fixing work of the positioning fixture can be completed, thereby ensuring the efficiency of the marking work.

[0062] The support column 11 is provided with screws, and the fixing plate 1 and the base 5 can be fixedly connected through the screws.

[0063] Similarly, the fixing plate 1 and the base 5 can be magnetically connected through matching magnets. Specifically, a neodymium magnet is provided at one end of the support column 11 close to the base 5, and a neodymium magnet is also provided at the corresponding position of the base 5. The surfaces of the neodymium magnets of the fixing plate 1 and the base 5 facing each other have opposite magnetic poles.

[0064] The fixing plate 1 can be quickly fixed to the marking working position through the base 5, improving the efficiency of the marking work.

[0065] In one embodiment, the structure of the positioning fixture is improved to ensure the smooth progress of the laser engraving work. Specifically, the base 5 is provided with a positioning block 51, and the top of the positioning block 51 is provided with a positioning pin 52. The fixing plate 1 is correspondingly provided with a positioning hole 12. When connecting the fixing plate 1 to the base 5, the positioning pin 52 can be inserted into the positioning hole 12 of the fixing plate.

[0066] In this embodiment, in order to facilitate the positioning between the fixing plate 1 and the base 5, the base 1 is provided with a positioning block 51, the top of the positioning block 51 is provided with a positioning pin 52, and the fixing plate 1 is correspondingly provided with a positioning hole 12. When connecting the fixing plate 1 to the base 5, the positioning pin 52 is inserted into the positioning hole 12 of the fixing plate 1, thereby realizing the positioning.

[0067] As can be seen from the above description, the beneficial effects of the present utility model are as follows: A positioning fixture with a reasonable structure, easy to maintain, and convenient for product positioning is provided. The positioning fixture limits the product in the horizontal direction through the limiting mechanisms arranged in four directions, and then fixes the product to the positioning fixture through the fixing mechanism and limits the product in the vertical direction. The operation is convenient and the positioning is accurate, effectively ensuring the qualified rate of marking while improving the marking efficiency.

[0068] It is easy for those skilled in the art to understand that, on the premise of no conflict, the above embodiments can be freely combined and superimposed.

[0069] The above are only the embodiments of the present utility model, and do not limit the patent scope of the present utility model accordingly. All equivalent structural or equivalent process transformations made by using the content of the specification and drawings of the present utility model, or directly or indirectly applied to other related technical fields, are equally included in the patent protection scope of the present utility model.

Claims

1. A positioning jig, characterized in that: It includes a fixing plate, and the fixing plate is provided with a lateral limiting mechanism, a longitudinal limiting mechanism and a fixing mechanism. There is a product placement position between the lateral limiting mechanism and the longitudinal limiting mechanism. The product placement position is used for placing a product. The lateral limiting mechanism is used to limit the lateral movement of the product, the longitudinal limiting mechanism is used to limit the longitudinal movement of the product, and the fixing mechanism is used to fix the product to the fixture body.

2. The positioning jig according to claim 1, wherein: The lateral limiting mechanism includes a first lateral limiting seat and a second lateral limiting seat, and the first lateral limiting seat and the second lateral limiting seat are respectively arranged on both sides along the width direction of the product placement position.

3. The positioning jig according to claim 2, wherein: There are two of the first lateral limiting seat and the second lateral limiting seat respectively.

4. The positioning jig according to claim 3, wherein: The longitudinal limiting mechanism includes a first longitudinal limiting seat and a second longitudinal limiting seat, and the first longitudinal limiting seat and the second longitudinal limiting seat are respectively arranged on both sides along the length direction of the product placement position.

5. The positioning jig according to claim 4, wherein: Anti-scratch gaskets are provided on the opposite sides of the first lateral limiting seat and the second lateral limiting seat; anti-scratch gaskets are provided on the opposite sides of the first longitudinal limiting seat and the second longitudinal limiting seat.

6. The positioning jig according to claim 2, wherein: The fixing mechanism includes a pressure ring. One end of the pressure ring is movably connected to the first lateral limiting seat, and the other end of the pressure ring is connected to the second lateral limiting seat through a matching locking structure.

7. The positioning jig according to claim 6, wherein: The locking structure includes a hook provided on the pressure ring and a movable hook provided on the second lateral limiting seat.

8. The positioning fixture according to claim 7, wherein: The movable hook is rotatably connected to the second lateral limiting seat, and a return spring is provided between the movable hook and the second lateral limiting seat.

9. The positioning jig according to claim 1, wherein: It also includes a base and a support column. The support column is arranged on the fixing plate, and the base is connected to the fixing plate through the support column.

10. The positioning jig according to claim 9, wherein: The base is provided with a positioning block, and a positioning pin is provided at the top of the positioning block. The fixing plate is correspondingly provided with a positioning hole. When connecting the fixing plate to the base, the positioning pin can be inserted into the positioning hole of the fixing plate.

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