A processing support tool for a front beam of a vehicle frame
Patent Information
- Application Number
- CN202522556155.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-02
- Publication Date
- 2026-10-27
- Estimated Expiration
- 2035-12-02
AI Technical Summary
[0003]本实用新型实施例提供一种车架前梁加工支撑工装，旨在能够解决现有技术中，车架前梁在加工过程中，不便于装夹影响加工效率的问题
[0012]本申请实施例所示的方案，与现有技术相比，通过设计有固定座，固定座用于固定到加工平台上，在固定座的顶部固定安装有支撑块。固定座的顶面为第一支撑面，支撑块的顶面为第二支撑面。第二支撑面的高度高于第一支撑面的高度，且第一支撑面与第二支撑面的高度差与车架前梁前段与后段首次加工螺栓平台的高度差相同。并且在第一支撑面和第二支撑面上均安装有定位销，定位销与车架前梁上的螺栓过孔滑动配合，多个定位销的设置，用于定位车架前梁在固定座上的安装位置，从而在加工时，可以以固定座为找正基准，依次加工多个车架前梁，减少找正基准的次数。本申请，在加工车架前梁单侧螺栓平台完成后，可以将车架前梁放置到固定座上，并使车架前梁的前段放置到支撑块顶部的第二支撑面上，车架前梁的后段放置到固定座上的第一支撑面上，通过定位销进行定位，并通过压紧机构将车架前梁压紧在固定座及支撑块上。然后采用机床进行螺栓平台的加工，通过固定座及支撑块分别对车架前梁的后段及前段分别支撑，可以有效提高对车架前梁支撑的稳定性，保证加工精度，提高加工效率。
Smart Images
Figure CN224896517U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of casting processing technology, specifically relating to a support fixture for processing the front beam of a vehicle frame. Background Technology
[0002] The front beam of the vehicle frame is cast. After casting, the through holes and bolt platforms located at both ends of the through holes need to be machined. Current machining processes for the front beam typically involve first machining the through holes and one-sided bolt platforms, then using these for positioning, and finally machining the bolt platforms on the other side corresponding to the through holes. However, the front beam consists of a front section and a rear section, which are not on the same plane. When the rear section is fixed to the machining platform, the front section is suspended. Therefore, before each machining operation, the front section needs to be supported on the machining platform, especially when machining the bolt platforms on the rear side. To ensure relative dimensional accuracy with the bolt platforms on the first side, the front section needs to be stably supported during clamping, requiring repeated adjustments to the height of the rear section and the height of the front support blocks. This operation is complex and affects machining efficiency. Utility Model Content
[0003] This utility model provides a support fixture for machining the front beam of a vehicle frame, which aims to solve the problem in the prior art that the front beam of the vehicle frame is not easy to clamp during machining, thus affecting the machining efficiency.
[0004] To achieve the above objectives, the technical solution adopted by this utility model is: to provide a machining support fixture for the front beam of a vehicle frame, comprising: A mounting base is used to fix the vehicle frame to a processing platform, and the mounting base is provided with a first support surface for placing the rear section of the front beam of the vehicle frame. A support block is installed on the fixed base, and the top of the support block is provided with a second support surface for placing the front section of the front beam of the vehicle frame; The locating pins are multiple, and each of the multiple locating pins is respectively installed on the fixed seat or support block; A clamping mechanism is provided on the fixed seat and is used to clamp the front beam of the vehicle frame onto the fixed seat and the support block.
[0005] In one possible implementation, the clamping mechanism includes a cross-shaped pressure plate for clamping the middle of the rear section of the front beam of the frame, a first pressure plate for clamping the front section onto the support block, and a second pressure plate for clamping the rear section onto the fixed seat.
[0006] In one possible implementation, the support block is detachably mounted on the fixed base, and the fixed base is provided with a first mounting surface for mounting the front of the support block and a second mounting surface for mounting the bottom of the support block.
[0007] In one possible implementation, the support block has a right-angle positioning groove recessed at its corner, and the fixing seat is provided with a positioning block for engaging with the right-angle positioning groove.
[0008] In one possible implementation, the second pressure plate includes a support plate for supporting itself on the positioning block and a fixing plate for pressing against the front section of the front beam of the frame, the support plate and the fixing plate being arranged at an angle.
[0009] In one possible implementation, both the first mounting surface and the second mounting surface are provided with threaded holes and pin holes for fixing the support block.
[0010] In one possible implementation, the front beam machining support fixture further includes a support base, on which the first pressure plate is mounted, and the support base includes a fixing part for fixing to the machining platform.
[0011] In one possible implementation, the support base is threadedly connected to a support member for supporting the bottom of the rear section of the front beam of the vehicle frame.
[0012] The solution shown in this application, compared with the prior art, incorporates a fixed base for fixing to a processing platform, with a support block fixedly installed on top of the fixed base. The top surface of the fixed base is the first support surface, and the top surface of the support block is the second support surface. The height of the second support surface is higher than that of the first support surface, and the height difference between the first and second support surfaces is the same as the height difference between the bolt platforms for the first and second sections of the front beam of the vehicle frame. Furthermore, locating pins are installed on both the first and second support surfaces, slidingly engaging with the bolt holes on the front beam of the vehicle frame. The multiple locating pins are used to position the front beam of the vehicle frame on the fixed base, allowing multiple front beams to be processed sequentially using the fixed base as a reference during processing, reducing the number of times the reference needs to be adjusted. In this application, after machining the single-sided bolt platform of the front beam of the vehicle frame, the front beam can be placed on the fixed seat, with the front section of the front beam placed on the second support surface on top of the support block, and the rear section placed on the first support surface of the fixed seat. Positioning pins are used for positioning, and a clamping mechanism presses the front beam onto the fixed seat and support block. Then, a machine tool is used to machine the bolt platform. By using the fixed seat and support block to support the rear and front sections of the front beam respectively, the stability of the front beam support can be effectively improved, ensuring machining accuracy and increasing machining efficiency. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the structure of the left and right front beams of the vehicle frame provided in an embodiment of the present utility model; Figure 2 A schematic diagram of the structure of the front beam machining support fixture provided in this embodiment of the utility model; Figure 3 A schematic diagram of the installation structure of the support block provided in an embodiment of this utility model; Figure 4 This is a schematic diagram of the installation structure of the support base provided in an embodiment of the present utility model.
[0014] Explanation of reference numerals in the attached figures: 1. Front beam of the frame; 11. Front section; 12. Rear section; 2. Fixing seat; 21. Positioning block; 3. Support block; 4. Positioning pin; 51. Cross pressure plate; 52. First pressure plate; 521. Support plate; 522. Fixing plate; 53. Second pressure plate; 6. Support seat; 7. Support component. Detailed Implementation
[0015] To make the technical problems, technical solutions, and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.
[0016] Please refer to the following: Figures 1 to 4 The present invention provides a description of the front beam processing support fixture for vehicle frames. The front beam processing support fixture includes a fixed base 2, a support block 3, positioning pins 4, and a clamping mechanism. The fixed base 2 is used to fix itself to a processing platform, and has a first support surface for placing the rear section 12 of the front beam. The support block 3 is mounted on the fixed base 2, and its top has a second support surface for placing the front section 11 of the front beam. Multiple positioning pins 4 are mounted on either the fixed base 2 or the support block 3. The clamping mechanism is located on the fixed base 2 and is used to clamp the front beam 1 onto the fixed base 2 and the support block 3.
[0017] The front beam machining support fixture provided in this embodiment, compared with the prior art, features a fixed base 2 for fixing to the machining platform, with a support block 3 fixedly installed on top of the fixed base 2. The top surface of the fixed base 2 is the first support surface, and the top surface of the support block 3 is the second support surface. The height of the second support surface is higher than that of the first support surface, and the height difference between the first and second support surfaces is the same as the height difference between the bolt platforms for the first machining of the front section 11 and the rear section 12 of the front beam. Locating pins 4 are installed on both the first and second support surfaces, slidingly engaging with the bolt holes on the front beam 1. The multiple locating pins 4 are used to position the front beam 1 on the fixed base 2, allowing multiple front beams 1 to be machined sequentially using the fixed base 2 as the alignment reference, thus reducing the number of alignment references. In this application, after machining the single-sided bolt platform of the front beam 1 of the vehicle frame, the front beam 1 can be placed on the fixed seat 2, with the front section 11 of the front beam 1 placed on the second support surface on top of the support block 3, and the rear section 12 of the front beam 1 placed on the first support surface of the fixed seat 2. Positioning is achieved using the locating pin 4, and the front beam 1 is pressed onto the fixed seat 2 and support block 3 using a clamping mechanism. Then, the bolt platform is machined using a machine tool. The fixed seat 2 and support block 3 respectively support the rear section 12 and the front section 11 of the front beam 1, effectively improving the stability of the support for the front beam 1, ensuring machining accuracy, and increasing machining efficiency.
[0018] Specifically, in this embodiment, multiple bolt holes are provided at the bottom of the fixed base 2, through which the fixed base 2 can be fixed to the processing platform, and a reference hole for aligning the coordinate system is provided at the top of the fixed base 2, so that the fixed base 2 can be used as a processing reference for processing.
[0019] In some embodiments, the above-mentioned clamping mechanism may employ, for example, Figure 2 , Figure 3 and Figure 4 The structure shown. See also... Figure 2 , Figure 3 and Figure 4 The clamping mechanism includes a cross-shaped clamping plate 51 for clamping the middle of the rear section 12 of the front beam of the vehicle frame, a first clamping plate 52 for clamping the front section 11 onto the support block 3, and a second clamping plate 53 for clamping the rear section 12 onto the fixed seat 2. The clamping mechanism comprises three parts, wherein the cross-shaped clamping plate 51 is used to clamp the middle of the rear section 12 of the front beam of the vehicle frame. Since the overall size of the rear section 12 of the front beam of the vehicle frame is larger than the overall size of the front section 11 of the front beam of the vehicle frame, the use of the cross-shaped clamping plate 51 to clamp the rear section 12 of the front beam of the vehicle frame can further improve the stability of the fixation of the rear section 12 of the front beam of the vehicle frame.
[0020] Specifically, in this embodiment, the first pressure plate 52 and the second pressure plate 53 are pressed onto the rear section 12 and the front section 11 of the front beam 1 of the frame, respectively, to ensure the accuracy of the fit between the front section 11 of the front beam and the second support surface and the accuracy of the fit between the rear section 12 of the front beam and the first support surface. The cross pressure plate 51 is used to improve the stability of fixing the front beam 1 of the frame on the fixed seat 2.
[0021] Specifically, in this embodiment, a bolt for mounting a cross pressure plate 51 is threaded onto the fixing base 2, and a through hole for mounting the bolt is provided in the middle of the cross pressure plate 51. Furthermore, a clamping member for pressing the cross pressure plate 51 onto the front beam 1 of the frame is threaded onto the bolt. When installing the cross pressure plate 51, the cross pressure plate 51 is located between multiple stiffening plates on the front beam 1 of the frame, and the flanges on the cross pressure plate 51 press against the top surfaces of the multiple stiffening plates, thus not affecting the machining of the bolt platform.
[0022] In some embodiments, the support block 3 described above can be as follows: Figure 3 The structure shown. See also Figure 3 The support block 3 is detachably mounted on the fixing base 2, and the fixing base 2 is provided with a first mounting surface for mounting the front surface of the support block 3 and a second mounting surface for mounting the bottom surface of the support block 3. The support block 3 is detachably mounted on the fixing base 2, and the bolt holes for fixing it to the fixing base 2 and the threaded holes for mounting the positioning pins 4 on the support block 3 are both through holes. Therefore, when the support block 3 is flipped over for installation, the original bolt holes and positioning pin 4 mounting holes can still be used.
[0023] Specifically, in this embodiment, the first mounting plate and the second mounting surface are arranged adjacent to each other along the width direction of the fixing seat 2. The front beam 1 of the frame is divided into a symmetrical left front beam 1 and a right front beam 1. The left front beam 1 and the right front beam 1 are designed symmetrically. Thus, by flipping and switching the support block 3 to be installed on the first mounting surface and the second mounting surface respectively, the replacement of the left front beam 1 and the right front beam 1 can be realized when processing. A set of tooling can be used to complete the processing of the left and right frame beams. At the same time, when switching between the first mounting surface and the second mounting surface, the support block 3 is flipped and installed, so that the positioning pin 4 can be installed inside the same threaded hole. When switching the processing of the left and right front beams 1, the support block 3 can be removed, flipped and reinstalled, thereby switching the fixing clamping of the two frame beams.
[0024] Specifically, in this embodiment, a third support surface corresponding to the first support surface is provided on the fixed base 2. The first support surface and the third support surface are on the same plane, and a threaded hole for installing the positioning pin 4 and a threaded hole for fixing the cross pressure plate 51 are provided on the third support surface.
[0025] In some embodiments, the support block 3 described above can be as follows: Figure 3 The structure shown. See also Figure 3 The support block 3 has a right-angle positioning groove recessed at its corner, and the fixing base 2 is provided with a positioning block 21 for engaging with the right-angle positioning groove. The positioning groove is designed at the corner of the support block 3, and the positioning block 21 protrudes from the top surface of the fixing base 2. The positioning block 21 is a square block. When the support block 3 is installed on the first mounting surface or the second mounting surface, the two mutually perpendicular positioning surfaces on the positioning block 21 can engage with the two mutually perpendicular inner walls of the positioning groove on the support block 3 to achieve coarse positioning of the support block 3. Furthermore, pin holes for positioning the support block 3 are provided on both the first and second mounting surfaces, allowing the support block 3 to be positioned on the fixing base 2 using pins. This facilitates the installation of the support block 3 on the first and second mounting surfaces. Even after the support block 3 is flipped over, it can still be positioned and installed using the positioning block 21.
[0026] In some embodiments, the second pressure plate 53 may be as follows: Figure 3 The structure shown. See also Figure 3 The second pressure plate 53 includes a support plate 521 for supporting the positioning block 21 and a fixing plate 522 for pressing against the front section 11 of the front beam of the frame. The support plate 521 and the fixing plate 522 are arranged at an angle. The second pressure plate 53 is used to press the front section 11 of the front beam of the frame 1 against the support block 3. The second pressure plate 53 is installed on the positioning block 21, and a screw is fixedly installed in the middle of the positioning block 21. A nut for pressing the support plate 521 is threaded onto the screw. During use, a pad or a support rod can be placed at the bottom of the support plate 521, so that the support plate 521 is supported on the pad or support rod, while the fixing plate 522 is pressed against the stiffener of the front section 11 of the front beam of the frame. This achieves the fixed pressing of the front section 11 of the front beam of the frame. Furthermore, the support plate 521 and the fixing plate 522 are designed at an angle, which allows the second pressure plate 53 to be flipped over when switching the processing of the left and right front beams 1 of the frame, so that the fixing plate 522 on the second pressure plate 53 can switch the pressing position without replacing the second pressure plate 53.
[0027] In some embodiments, the support block 3 described above can be as follows: Figure 3 The structure shown. See also Figure 3Both the first mounting surface and the second mounting surface are provided with threaded holes and pin holes for fixing the support block 3. The first mounting surface and the second mounting surface are located on the same plane; the support block 3 is fixedly mounted on the first mounting surface or the second mounting surface by bolts, and the support block 3 is provided with corresponding pin holes. The positions of the threaded holes and pin holes on the first mounting surface are symmetrically designed with respect to the positions of the threaded holes and pin holes on the second mounting surface. Therefore, when the support block 3 is flipped over for installation, it can be fixed by using the same through holes and pin holes.
[0028] In some embodiments, the support base 6 may be adopted as follows: Figure 2 The structure shown. See also Figure 2 The machining support fixture for the front beam 1 of the vehicle frame also includes a support base 6. The first pressure plate 52 is mounted on the support base 6, and the support base 6 includes a fixing part for fixing to the machining platform. The bottom of the support base 6 is provided with a through hole for fixing to the machining platform, so that the support base 6 can be freely installed on the machining platform. And when the support base 6 is installed on the machining platform, the top surface of the support base 6 and the first support surface on the fixing seat 2 are located on the same plane.
[0029] Specifically, in this embodiment, the rear section 12 of the front frame beam 1 is designed with multiple vertical ribs, so that when the first pressure plate 52 presses against the rear section 12 of the front frame beam 1, the first pressure plate 52 presses against one side of the rear section 12 of the front frame beam 1. The side of the front frame beam 1 also involves a machining surface. By designing the fixing seat 2 and the support seat 6 as separate structures, the support seat 6 can be installed on the corresponding side of the fixing seat 2 when switching between machining the left and right front frame beams 1. This allows the first pressure plate 52 to press against the ribs of the front frame beam 1.
[0030] Specifically, in this embodiment, a screw for installing the first pressure plate 52 is provided on the support base 6. The first pressure plate 52 includes a support part that abuts against the top of the support base 6 and a pressing part that is spaced apart from the top of the support base 6. The screw passes through the mounting part and a nut for pressing the pressing part is threaded onto the screw.
[0031] In some embodiments, the support base 6 may be adopted as follows: Figure 4 The structure shown. See also Figure 4 The support base 6 is threadedly connected to a support member 7 for supporting the bottom of the rear section 12 of the front beam of the vehicle frame. The support member 7 is a bolt, threadedly connected to the support base 6, and the support member 7 is installed through the top of the support base 6. The top of the support member 7 is used to abut against the bottom of the rib of the rear section 12 of the front beam of the vehicle frame. Since the rib is a cast blank surface, its size varies to a certain extent. After replacing the front beam 1 of the vehicle frame, by adjusting the position of the support member 7, the support member 7 can be effectively abutted against the bottom of the rib of the rear section 12 of the front beam of the vehicle frame.
[0032] Preferably, in this embodiment, the second pressure plate 53 is located directly above the support member 7. The ribs of the front beam 1 of the frame can be clamped between the second pressure plate 53 and the support member 7 by combining the second pressure plate 53 with the support member 7.
[0033] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A support fixture for machining the front beam of a vehicle frame, characterized in that, include: A fixing seat (2) is used to fix it to the processing platform. The fixing seat (2) is provided with a first support surface for placing the rear section (12) of the front beam of the vehicle frame. A support block (3) is installed on the fixed seat (2), and the top of the support block (3) is provided with a second support surface for placing the front section (11) of the front beam of the frame; Positioning pins (4), in multiple quantities, are respectively installed on the fixed seat (2) or the support block (3); A clamping mechanism is provided on the fixed seat (2) for pressing the front beam of the vehicle frame onto the fixed seat (2) and the support block (3).
2. The front beam machining support fixture as described in claim 1, characterized in that, The clamping mechanism includes a cross plate (51) for clamping the middle of the rear section (12) of the front beam of the vehicle frame, a first plate (52) for clamping the front section (11) onto the support block (3), and a second plate (53) for clamping the rear section (12) onto the fixed seat (2).
3. The front beam machining support fixture as described in claim 2, characterized in that, The support block (3) is detachably mounted on the fixed base (2), and the fixed base (2) is provided with a first mounting surface for mounting the front of the support block (3) and a second mounting surface for mounting the bottom of the support block (3).
4. The front beam machining support fixture as described in claim 3, characterized in that, The support block (3) is recessed at the corner of a right-angle positioning groove, and the fixing seat (2) is provided with a positioning block (21) for fitting with the right-angle positioning groove.
5. The front beam machining support fixture as described in claim 4, characterized in that, The second pressure plate (53) includes a support plate (521) for supporting the positioning block (21) and a fixing plate (522) for pressing against the front section (11) of the frame front beam, wherein the support plate (521) and the fixing plate (522) are arranged at an angle.
6. The front beam machining support fixture as described in claim 3, characterized in that, Both the first mounting surface and the second mounting surface are provided with threaded holes and pin holes for fixing the support block (3).
7. The front beam machining support fixture as described in claim 2, characterized in that, The front beam machining support fixture also includes a support base (6), on which the first pressure plate (52) is mounted. The support base (6) includes a fixing part for fixing to the machining platform.
8. The front beam machining support fixture as described in claim 7, characterized in that, The support base (6) is threaded with a support member (7) for supporting the bottom of the rear section (12) of the front beam of the frame.