A radiator core pre-tightening tool

Abstract

The utility model discloses a radiator core pre -tightening frock, including base, be provided with the pressing plate for the pressure core in the base, install the fixed plate on the base, the fixed plate is connected on the side plate of base opposite two sides, and the fixed plate is used for winding packing belt and drives the base to press down the pressing plate to realize the pre -compaction of core, to realize the pre -compaction of core, and the further processing of subsequent core is convenient, the overall structure of fixed plate replaces the independent part of existing technology in two sides, and the binding force of packing belt is concentrated on a rigid whole, and the lateral component force that packing belt produces to both sides of base is eliminated, and the base is prevented from deforming because of long -term uneven lateral tension fundamentally.

Description

Technical Field

[0001] This utility model relates to the field of radiator assembly technology, specifically to a radiator core pre-tightening fixture. Background Technology

[0002] The radiator is an indispensable part of the engine cooling system, and a good heat dissipation device is beneficial to the engine's performance. The main working principle of the radiator is to exchange the heat carried by the coolant with the outside airflow, dissipating the high-temperature heat into the air. Whether the radiator is reliable and suitable directly affects whether it can provide a good environment for the engine to operate safely.

[0003] The radiator core is the main component of a radiator. It is generally assembled from fins, baffles, and sealing strips, with the baffles and fins arranged sequentially, allowing fluid to pass through the fins for heat dissipation. After assembly, the radiator core needs to be compressed and packaged. A pre-compression device is currently used to pre-compress the core to prevent the packing straps from loosening during binding or storage. However, this pre-compression device has packing strap fixing structures on both sides of the base. After packaging, the packing straps exert lateral forces on the base, which can easily cause deformation of the base over time, leading to displacement of the fixing structures and affecting the stability of the pre-compression. Utility Model Content

[0004] To address the shortcomings of existing technologies, a pre-tightening fixture for radiator cores is proposed. This solves the problem in the aforementioned background technology where the pre-tightening device has a strapping fixing structure on both sides of the base. After packing, the strapping applies a force to both sides of the base, which can easily cause the base to deform over time, affecting the stability of the pre-tightening.

[0005] To achieve the above objectives, the present invention proposes the following technologies: A pre-tightening fixture for a radiator core includes a base, a pressure plate for pressing the core is provided inside the base, and a fixing plate is installed on the base. The fixing plate is snapped onto the side plates on opposite sides of the base. The fixing plate is used to wrap packing straps and thus drive the base to press down the pressure plate to achieve pre-tightening of the core.

[0006] Furthermore, the fixing plate is integrally formed, and the fixing plate includes a flat plate and a vertical plate. The two ends of the flat plate are respectively connected to the vertical plate through arc plates.

[0007] Furthermore, positioning plates are provided on both sides of the fixing plate, and the positioning plates are fixedly connected to the flat plate and the vertical plate respectively. The inner side of the positioning plate is attached to the outer surface of the side plate to realize the snap-fit ​​between the fixing plate and the base.

[0008] Furthermore, a top plate is provided on the inner side of the base, and a spring is provided between the top plate and the pressure plate. The packing straps tied to the fixing plate drive the base and the top plate to compress the spring, thereby pushing the pressure plate to press the core.

[0009] Furthermore, the top plate is fixedly installed on the top of the base, and a positioning shaft is provided in the middle of the top plate. Correspondingly, a positioning hole for inserting the positioning shaft is provided in the middle of the fixed plate.

[0010] Furthermore, multiple springs are evenly arranged on the pressure plate, and a guide rod is provided on the inner side of the spring. The guide rod is fixedly connected to the pressure plate, and a limit component is also provided between the base and the pressure plate.

[0011] Furthermore, the limiting component includes multiple limiting posts fixed on the pressure plate, the top of the limiting posts penetrating the limiting plate, and the limiting plate being fixedly connected to the inner side of the base.

[0012] Furthermore, the limiting component also includes a retaining spring, and a through hole is provided on the limiting plate at the position corresponding to the limiting post. The limiting post passes through the through hole and is fixed by the retaining spring.

[0013] Compared with the prior art, the comprehensive effects brought about by this utility model include: This application, by setting a fixing plate, allows the packing strap to be wrapped around the outside of the fixing plate. The packing strap exerts a pulling force on the fixing plate towards the core. Since the fixing plate spans and is secured to the opposite side plates of the base, the aforementioned pulling force drives the entire base to push the pressure plate downward to press the radiator core located below it, thereby achieving pre-compression of the core and facilitating further processing of the core. The overall structure of the fixing plate replaces the independent components located on both sides in the prior art, concentrating the binding force of the packing strap onto a rigid whole. This eliminates the lateral component force generated by the packing strap on both sides of the base, fundamentally preventing the base from deforming due to long-term uneven lateral tension, and significantly improving the long-term structural stability and compression reliability of the entire pre-compression device. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model; Figure 2 This is a schematic diagram of the top plate structure of an embodiment of the present utility model; Figure 3 This is a schematic diagram of the internal structure of the base in an embodiment of the present utility model; Figure 4 This is a schematic diagram of the positioning plate structure in an embodiment of the present utility model; Figure 5 This is a schematic diagram of the embodiment of the present utility model and the core assembly structure.

[0015] Legend: 1. Base; 2. Pressure plate; 3. Fixing plate; 4. Flat plate; 5. Vertical plate; 6. Positioning plate; 7. Top plate; 8. Spring; 9. Positioning shaft; 10. Guide rod; 11. Limiting post; 12. Limiting plate; 13. Snap ring. Detailed Implementation

[0016] The technical solutions of the embodiments of this utility model will be clearly and completely described 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.

[0017] In this document, terms such as “up,” “down,” “left,” “right,” and “top” indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0018] like Figures 1 to 5 As shown, a heat sink core pre-tightening fixture includes a base 1, a pressure plate 2 for pressing the core is provided inside the base 1, and a fixing plate 3 is installed on the base 1. The fixing plate 3 is snapped onto the side plates on opposite sides of the base 1. The fixing plate 3 is used to wrap packing straps and thus drive the base 1 to press down the pressure plate 2 to achieve pre-tightening of the core.

[0019] By setting a fixing plate 3, when the packing strap is wrapped around the outside of the fixing plate 3, the packing strap exerts a pulling force on the fixing plate 3 towards the core. Since the fixing plate 3 spans and is fixed to the opposite side plates of the base 1, the above-mentioned pulling force drives the base 1 as a whole to push the pressure plate 2 downward to press the radiator core located below it, thereby achieving pre-compression of the core, which facilitates further processing of the core. The overall structure of the fixing plate 3 replaces the independent components that are set on both sides in the prior art, and concentrates the binding force of the packing strap onto a rigid whole, eliminating the lateral component force generated by the packing strap on both sides of the base 1, fundamentally preventing the base 1 from deforming due to long-term uneven lateral tension, and significantly improving the long-term structural stability and compression reliability of the entire pre-compression device.

[0020] In the heat sink core pre-tightening fixture of this embodiment, the fixing plate 3 is integrally formed. The fixing plate 3 includes a flat plate 4 and a vertical plate 5. The two ends of the flat plate 4 are respectively connected to the vertical plate 5 through arc plates.

[0021] The one-piece molded structure gives the fixing plate 3 higher structural strength and rigidity, enabling it to withstand the tension of the strapping without easily deforming or being damaged, thus ensuring the stability and reliability of the pre-tightening process. The two ends of the flat plate 4 are smoothly connected to the vertical plate 5 via arc plates. The arc transition design avoids stress concentration, thereby reducing wear on the strapping and ensuring that the strapping has sufficient strength to bind the core.

[0022] In the heat sink core pre-tightening fixture of this embodiment, positioning plates 6 are respectively provided on both sides of the fixing plate 3. The positioning plates 6 are fixedly connected to the flat plate 4 and the vertical plate 5 respectively. The inner side of the positioning plate 6 is attached to the outer surface of the side plate to realize the snap-fit ​​between the fixing plate 3 and the base 1.

[0023] To achieve a stable connection between the fixing plate 3 and the base 1, a positioning plate 6 is fixedly connected to each side of the fixing plate 3 (i.e., the inner side of each vertical plate 5). The positioning plate 6 is simultaneously fixed to the end of the flat plate 4 and the vertical plate 5, and its inner surface can fit against the outer surface of the side plate of the base 1. This allows the fixing plate 3 to be quickly and accurately positioned and clamped onto the base 1, preventing it from wobbling or falling off under stress, thus ensuring the alignment accuracy and operational safety of the tooling assembly.

[0024] With the above settings, the fixing plates 3 of different lengths have different sizes of positioning plates 6, so that the appropriate fixing plates 3 and tooling can be selected according to the core of different sizes to meet the pre-compression effect of the core.

[0025] In the heat sink core pre-tightening fixture of this embodiment, a top plate 7 is provided on the inner side of the base 1, and a spring 8 is provided between the top plate 7 and the pressure plate 2. The packing straps tied to the fixing plate 3 drive the base 1 and the top plate 7 to compress the spring 8, thereby pushing the pressure plate 2 to press the core.

[0026] With the above configuration, when the packing strap is tightened and causes the base 1 and top plate 7 to move downwards, the spring force of the spring 8 ultimately pushes the pressure plate 2 downwards to press the radiator core located below it, thus achieving pre-compression of the core. Using the spring 8 as the source of the compressive force can provide a uniform and flexible compressive force, effectively avoiding damage to the core that may be caused by rigid compression. At the same time, the elasticity of the spring can adapt to slight changes in the height of the core, ensuring stable compressive force.

[0027] In the heat sink core pre-tightening fixture of this embodiment, the top plate 7 is fixedly installed on the top of the base 1, and a positioning shaft 9 is provided in the middle of the top plate 7. The corresponding positioning hole for inserting the positioning shaft 9 is opened in the middle of the fixing plate 3.

[0028] The top plate 7 is fixedly installed on the inner top of the base 1 by welding or bolting. To achieve quick and accurate positioning when installing the fixing plate 3, a positioning shaft 9 and positioning holes are provided. When installing the fixing plate 3, the positioning holes are aligned and inserted into the positioning shaft 9, simultaneously causing the positioning plate 6 to snap into the side plate of the base 1. The positioning shaft 9 and positioning holes greatly simplify the installation process of the fixing plate 3, enabling rapid alignment, avoiding uneven force due to installation deviations, and improving the assembly efficiency and ease of use of the tooling.

[0029] In the heat sink core pre-tightening fixture of this embodiment, multiple springs 8 are evenly arranged on the pressure plate 2, and a guide rod 10 is provided on the inner side of the spring 8. The guide rod 10 is fixedly connected to the pressure plate 2, and a limit component is also provided between the base 1 and the pressure plate 2.

[0030] Specifically, springs 8 and guide rods 10 are respectively installed at the four corners and the middle part of the pressure plate 2. The function of the guide rods 10 is to provide precise guidance for the up and down movement of the pressure plate 2, ensuring that the pressure plate 2 remains stable and does not tilt during the up and down movement, preventing it from deflecting or jamming during the compression process, ensuring that the clamping force acts vertically on the core, and further ensuring the uniformity of the pre-tightening effect.

[0031] To limit the travel of the pressure plate 2 in the non-working state and prevent it from sinking excessively or the spring 8 from stretching excessively, a limit component is also provided between the base 1 and the pressure plate 2.

[0032] In the heat sink core pre-tightening fixture of this embodiment, the limiting component includes a plurality of limiting posts 11 fixed on the pressure plate 2, the top of the limiting post 11 penetrates the limiting plate 12, and the limiting plate 12 is fixedly connected to the inner side of the base 1.

[0033] Specifically, four limiting posts 11 are provided, and two corresponding limiting plates 12 are provided. The limiting posts 11 themselves also play an auxiliary guiding role in the movement of the pressure plate 2. The limiting assembly also includes a retaining spring 13. The limiting plate 12 has a through hole at the position corresponding to the limiting post 11. The limiting post 11 passes through the through hole and is fixed by the retaining spring 13.

[0034] Furthermore, a slot is provided at the top of the limiting post 11 that passes through the through hole to facilitate the installation and fixing of the retaining spring 13.

[0035] The aforementioned limiting components limit the maximum upward position of the pressure plate 2 under the rebound action of the spring 8, preventing the pressure plate 2 from detaching from the fixture and ensuring the safety of the equipment. On the other hand, the clamping spring 13 provides a simple structure, is easy to disassemble and assemble, and facilitates the maintenance of the fixture and the replacement of the spring 8.

[0036] Specifically, a fixing plate 3 of appropriate size is selected according to the width of the core to ensure the binding effect of the packing strap on the core. An appropriate number of toolings are selected according to the width of the core, and multiple sets of toolings are installed on the upper and lower sides of the core respectively to press the core from the upper and lower sides, thereby uniformly pre-pressing the core as a whole.

[0037] Preferably, in actual use, the tooling located below can remove the spring 8 and other structures inside the base 1, using only the fixing plate 3, the base 1, and the pressure plate 2 fixed to the base 1, simplifying the structure and facilitating the installation of the tooling and the core. In summary, this invention, through the ingenious combination of the fixing plate 3, the packing strap, and the spring clamping mechanism, provides a radiator core pre-tightening fixture that is simple to operate, provides uniform clamping force, has good adaptability, and is safe and reliable, effectively improving the quality and efficiency of radiator production.

[0038] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "rotation", etc., 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. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0039] Although embodiments of the present invention have been shown and described in detail, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A pre-tightening fixture for a radiator core, characterized in that, The device includes a base, which contains a pressure plate for pressing the core. A fixing plate is installed on the base and is snapped onto the side plates on opposite sides of the base. The fixing plate is used to wrap packing straps, thereby driving the base to press down the pressure plate to achieve pre-compression of the core.

2. The radiator core pre-tightening fixture according to claim 1, characterized in that, The fixing plate is integrally formed and includes a flat plate and a vertical plate. The two ends of the flat plate are respectively connected to the vertical plate through arc plates.

3. The radiator core pre-tightening fixture according to claim 2, characterized in that, Positioning plates are provided on both sides of the fixing plate. The positioning plates are fixedly connected to the flat plate and the vertical plate respectively. The inner side of the positioning plate is attached to the outer surface of the side plate to realize the snap-fit ​​between the fixing plate and the base.

4. The radiator core pre-tightening fixture according to claim 2, characterized in that, The base has a top plate on its inner side, and a spring is provided between the top plate and the pressure plate. The packing straps tied to the fixing plate drive the base and the top plate to compress the spring, thereby pushing the pressure plate to press the core.

5. The radiator core pre-tightening fixture according to claim 4, characterized in that, The top plate is fixedly installed on the top of the base. A positioning shaft is provided in the middle of the top plate, and a positioning hole for inserting the positioning shaft is provided in the middle of the corresponding fixed plate.

6. The radiator core pre-tightening fixture according to claim 4, characterized in that, Multiple springs are evenly arranged on the pressure plate. A guide rod is provided on the inner side of the spring. The guide rod is fixedly connected to the pressure plate. A limit component is also provided between the base and the pressure plate.

7. A pre-tightening fixture for a radiator core according to claim 6, characterized in that, The limiting assembly includes multiple limiting posts fixed to the pressure plate, the top of the limiting posts penetrating the limiting plate, and the limiting plate being fixedly connected to the inner side of the base.

8. The radiator core pre-tightening fixture according to claim 7, characterized in that, The limiting component also includes a retaining spring. A through hole is provided on the limiting plate at the position corresponding to the limiting post. The limiting post passes through the through hole and is fixed by the retaining spring.

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