Auxiliary positioning device

Abstract

The invention provides an auxiliary positioning device which is used for assisting product positioning forming, a product comprises a first part and a second part, the two ends of the first part are provided with combination parts used for being overlapped with the second part, positioning parts are arranged at the corresponding positions of the opposite ends of the first part and the second part, and the auxiliary positioning device comprises a positioning frame and a positioning part, the positioning frame is provided with a hollowed-out part, the hollowed-out part is used for allowing an air bag to stretch into, and a positioning groove is formed in the positioning frame and used for positioning and placing the positioning part; and the pressing plate is rotationally arranged on the side, provided with the positioning groove, of the positioning frame, the pressing plate is used for pressing and fixing the product, and a pressing block is arranged at the position, corresponding to the positioning groove, of the pressing plate and used for pressing the positioning part into the positioning groove. The positioning accuracy of the product is improved in the product forming process, the situation that the product is bad due to factors such as displacement of the product is avoided, and the yield is improved.

Description

[Technical Field]

[0001] This invention relates to the field of sheet metal forming technology, and in particular to an auxiliary positioning device. [Background Technology]

[0002] Placing pre-formed sheets into a hot press mold and shaping them by heating and pressurizing is a common product forming method in industrial production. Figure 1 A schematic diagram of the structure of a finished product 1 is shown. The finished product 1 is generally cylindrical and is composed of a first part 11 and a second part 12. The first part 11 has joints 13 at both ends. The two ends of the second part 12 are overlapped with the joints 13 at both ends of the first part 11 and then placed into the mold core of a hot press mold. A silicone air bag is placed in the first part 11 and the second part 12. During the hot pressing process, the silicone air bag is inflated to press the first part 11 and the second part 12 outward toward the mold core. At the same time, the mold temperature is increased to bond the resin of the overlapping part of the first part 11 and the second part 12. During this process, the first part 11 and the second part 12 must be accurately positioned, otherwise displacement and deformation can easily occur, resulting in product defects.

[0003] In view of this, the present invention provides an auxiliary positioning device to solve the above problems. [Summary of the Invention]

[0004] The technical problem this invention aims to solve is the issue of product displacement and deformation during the molding process due to positioning problems. This invention provides an auxiliary positioning device to address these issues.

[0005] The solution to the technical problem of this invention is: an auxiliary positioning device for assisting product positioning and forming, the product comprising a first part and a second part, the first part having joints at both ends for overlapping with the second part, characterized in that positioning parts are provided at corresponding positions at opposite ends of the first part and the second part, the auxiliary positioning device comprising:

[0006] A positioning frame having a cutout for inserting an air bag, and a positioning groove for positioning the positioning part.

[0007] A pressure plate is rotatably mounted on the side of the positioning frame with a positioning groove. The pressure plate is used to hold and fix the product. A pressure block is provided on the pressure plate corresponding to the position of the positioning groove. The pressure block matches the shape of the positioning part and is used to press the positioning part into the positioning groove.

[0008] Preferably, the positioning part is provided with a positioning hole and a positioning post;

[0009] The positioning groove is provided with a positioning rib, which is used to be positioned by passing through the positioning hole. The pressure plate is provided with a positioning rib receiving groove corresponding to the position of the positioning rib, which is used to receive the positioning rib.

[0010] The pressure block has a positioning post receiving hole corresponding to the position of the positioning post, for accommodating the positioning post.

[0011] Preferably, the first part and the positioning part, and the second part and the positioning part are all integrally formed structures.

[0012] Preferably, the pressure plate is rotatably connected to the positioning frame via a rotating shaft. The end of the pressure plate away from the rotating shaft is provided with a slot. The positioning frame is provided with a positioning element corresponding to the slot of the pressure plate. When the pressure plate and the positioning frame are in contact to press the product, the positioning element engages with the slot to fix the pressure plate and the positioning frame.

[0013] Preferably, the pressure plate is provided with a snap-fit ​​groove, which facilitates the separation of the pressure plate from the positioning frame.

[0014] The beneficial effects of the present invention are that the auxiliary positioning device of the present invention can be used in conjunction with the air bag forming mold to perform hot pressing forming of the sheet material. During the product forming process, the positioning accuracy of the product is improved, the product defects caused by displacement and other factors are avoided, and the yield of finished products is improved. [Attached Image Description]

[0015] Figure 1 This is a structural diagram of a finished product.

[0016] Figure 2 This is a schematic diagram of the structure of the first and second parts used to mold the product in an embodiment of the present invention.

[0017] Figure 3 This is a schematic diagram of the structure of an auxiliary positioning device according to an embodiment of the present invention.

[0018] Figure 4 This is a schematic diagram of the first and second parts placed on the auxiliary positioning device and the pressure plate in the open state in an embodiment of the present invention.

[0019] Figure 5 This is a schematic diagram of the first and second parts placed on the auxiliary positioning device and the pressure plate in the closed state in an embodiment of the present invention.

Detailed Implementation Methods

[0020] To further illustrate the technical means and effects of the present invention, the following detailed description is provided in conjunction with the embodiments of the present invention and their accompanying drawings.

[0021] This invention provides an auxiliary positioning device for assisting in product positioning and forming. The product 10 includes a first part 110 and a second part 120. The first part 110 has connecting portions 130 at both ends for overlapping with the second part 120. Positioning portions 140 are provided at corresponding positions on opposite ends of both the first part 110 and the second part 120. The auxiliary positioning device includes:

[0022] Positioning frame 2, the positioning frame 2 has a hollow part 21 for the air bag to extend into, and the positioning frame 2 is provided with a positioning groove 22 for positioning and placing the positioning part 140.

[0023] A pressure plate 23 is provided on the side of the positioning frame 2 with the positioning groove 22. One end of the pressure plate 23 is rotatably connected to one end of the positioning frame 2. The pressure plate 23 is used to press and fix the product 10. A pressure block 24 is provided on the pressure plate 23 corresponding to the position of the positioning groove 22. The pressure block 24 matches the shape of the positioning part 140. The pressure block 24 is used to press the positioning part 140 into the positioning groove 22.

[0024] The positioning part 140 is provided with a positioning hole 142 and a positioning post 141. The positioning groove 22 is provided with a positioning rib 220, which is used to be positioned by passing through the positioning hole 142. The pressure plate 23 is provided with a positioning rib receiving groove 230 corresponding to the position of the positioning rib 220, which is used to receive the positioning rib 220. The pressure block 24 is provided with a positioning post receiving hole 240 corresponding to the position of the positioning post 141, which is used to receive the positioning post 141.

[0025] The first part 110 and the positioning part 140, as well as the second part 120 and the positioning part 140, are all integrally molded structures, which can improve production efficiency, reduce production costs, and ensure the appearance of the product 10 to the greatest extent, avoiding deformation caused by directly clamping the product 10.

[0026] The pressure plate 23 is rotatably connected to the positioning frame 2 via a rotating shaft 25. The end of the pressure plate 23 away from the rotating shaft 25 is provided with a slot 26. The positioning frame 2 is provided with a positioning element (not shown in the figure) corresponding to the position of the pressure plate slot 26. When the pressure plate 23 and the positioning frame 2 are in contact to press the product 10, the positioning element engages with the slot 26 to fix the pressure plate 23 and the positioning frame 2. The positioning element can be a positioning steel ball. The pressure plate 23 is made of elastic material. The side of the pressure plate slot 26 near the positioning steel ball is provided with a guide surface.

[0027] The pressure plate 23 is provided with a snap-fit ​​groove 27, which facilitates the separation of the pressure plate 23 from the positioning frame 2.

[0028] The process of forming a product using an auxiliary positioning device combined with a mold according to the present invention is as follows: First, the positioning part 140 of the first part 110 and the second part 120 is placed in the positioning groove 22 on the positioning frame 2, so that the positioning rib 220 in the positioning groove 22 passes through the positioning hole 142 on the positioning part 140 of the first part 110 and the second part 120. Then, the first part 110 and the second part 120 are adjusted so that the joint part 130 at both ends of the first part 110 overlaps with the two ends of the second part 120. Then, the pressure plate 23 presses the product positioning part 140, and the positioning rib 220 passes through the positioning rib receiving groove 230 on the pressure plate 23, and the positioning post 141 passes through the positioning post receiving hole 240 on the pressure block 24. Next, place the device, the first part 110 and the second part 120 into the mold core of the air bag forming mold, insert the air bag between the first part 110 and the second part 120, heat the mold core, pressurize the air bag and fill the space between the first part 110 and the second part 120, the resin at the joint of the first part 110 and the second part 120 melts and bonds together, then the mold core cools down, the air bag is depressurized, and the formed product 10 and the device are taken out of the mold, and the positioning part 140 of the first part 110 and the second part 120 is cut off to obtain the finished product 1.

[0029] The beneficial effects of the present invention are that the auxiliary positioning device of the present invention can be used in conjunction with the air bag forming mold to perform hot pressing forming of the sheet material. During the product forming process, the positioning accuracy of the product is improved, the product defects caused by displacement and other factors are avoided, and the yield of finished products is improved.

[0030] It should be noted that the present invention is not limited to the above embodiments. Any simple modifications, equivalent changes and alterations made by those skilled in the art to the above embodiments based on the technical solutions of the present invention shall fall within the protection scope of the present invention.

Claims

1. An auxiliary positioning device for assisting in the positioning and forming of a product, the product comprising a first part and a second part, wherein the first part has joint portions at both ends for overlapping with the second part, characterized in that, The first part and the second part are each provided with a positioning part at corresponding positions at opposite ends, and the auxiliary positioning device includes: A positioning frame having a cutout for inserting an air bag, and a positioning groove for positioning the positioning part. A pressure plate is rotatably mounted on the side of the positioning frame with a positioning groove. The pressure plate is used to hold and fix the product. A pressure block is provided on the pressure plate corresponding to the position of the positioning groove. The pressure block matches the shape of the positioning part and is used to press the positioning part into the positioning groove.

2. The auxiliary positioning device as described in claim 1, characterized in that: The positioning part is provided with positioning holes and positioning posts; The positioning groove is provided with a positioning rib, which is used to be positioned by passing through the positioning hole. The pressure plate is provided with a positioning rib receiving groove corresponding to the position of the positioning rib, which is used to receive the positioning rib. The pressure block has a positioning post receiving hole corresponding to the position of the positioning post, for accommodating the positioning post.

3. The auxiliary positioning device as described in claim 1, characterized in that: The first part and the positioning part, as well as the second part and the positioning part, are all integrally formed structures.

4. The auxiliary positioning device as described in claim 1, characterized in that: The pressure plate is rotatably connected to the positioning frame via a rotating shaft. The end of the pressure plate away from the rotating shaft is provided with a slot. The positioning frame is provided with a positioning element corresponding to the slot of the pressure plate. When the pressure plate and the positioning frame are in contact to press the product, the positioning element and the slot are engaged to fix the pressure plate and the positioning frame.

5. The auxiliary positioning device as described in claim 1, characterized in that: The pressure plate is provided with a snap-fit ​​groove, which facilitates the separation of the pressure plate from the positioning frame.

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