A support tool for a large-size workpiece and a support mechanism thereof

Abstract

This utility model relates to a support fixture and its support mechanism for large-sized workpieces. It includes a base mounted on a machine worktable, a module disposed on the base, and a support member for supporting the workpiece. The base extends towards the workpiece support position; the module moves along the base and is confined to a preset position on the base; the support member is disposed on the module and contacts the workpiece support position. This solves the problem in existing solutions where the size of the machine worktable limits access to the workpiece edge, preventing effective support.

Description

Technical Field

[0001] This utility model relates to the field of tooling, and in particular to a support tooling and support mechanism for large-sized workpieces. Background Technology

[0002] When machining large workpieces, the edges of the workpiece may extend beyond the machine's worktable, leaving it suspended in mid-air. This is especially true for large flange ring forgings, where the narrow support area increases the difficulty of manufacturing.

[0003] Traditional contour blocks are installed on the equipment worktable, but due to the size of the worktable, they cannot reach the edge of the workpiece and cannot form effective support.

[0004] It should be noted that the information disclosed in the background section above is only used to enhance the understanding of the background of this disclosure, and therefore may include information that does not constitute prior art known to those skilled in the art. Utility Model Content

[0005] In view of the shortcomings of the prior art, the purpose of this utility model is to provide a support fixture and support mechanism for large-sized workpieces, so as to solve the problem that the prior art is limited by the size of the equipment worktable, which makes it impossible to contact the edge of the workpiece and form effective support.

[0006] To achieve the above objectives, the technical solution of this utility model is as follows: A support fixture for large workpieces; It includes a base mounted on the equipment workbench, a module disposed on the base, and a support member supporting the workpiece; wherein, the base extends toward the workpiece support position; the module moves along the base and is restricted to a preset position on the base; the support member is disposed on the module and contacts the workpiece support position.

[0007] A further technical solution is as follows: the side of the support member that contacts the workpiece is the support surface, and the shape of the support surface matches the support position of the workpiece.

[0008] A further technical solution is as follows: the support fixture for large-sized workpieces further includes: a guide rail groove, formed on the base and / or the module; a protrusion, corresponding to the guide rail groove, formed on a structure that cooperates with the setting structure of the guide rail groove, for sliding cooperation with the guide rail groove; wherein, when the guide rail groove is formed on the base, the cooperating structure is the module; when the guide rail groove is formed on the module, the cooperating structure is the base.

[0009] A further technical solution is as follows: a raised strip is formed at the bottom of the base, and the raised strip is placed on the equipment worktable.

[0010] A further technical solution is as follows: the support member is fixed to the module by fasteners, and the fasteners act on the module to restrict the support member.

[0011] A further technical solution is as follows: the support fixture for large-sized workpieces further includes: a mounting groove formed on the module and / or the support member; a mounting part, corresponding to the mounting groove, formed on a structure that cooperates with the mounting groove, for sliding cooperation with the mounting groove; wherein, when the mounting groove is formed on the module, the cooperating structure is the support member; when the mounting groove is formed on the support member, the cooperating structure is the module.

[0012] A further technical solution is that a plurality of the modules are configured on the base.

[0013] A further technical solution is as follows: the module is placed perpendicular to the base; the support members are symmetrically arranged on the module; the support members include a lower part and an upper part that are connected to each other; the lower part and the upper part are close to or far from each other and maintain a preset position.

[0014] A further technical solution includes protrusions respectively disposed on the base, the module, and the support member; wherein, when the support member is disposed on the module, the protrusions on the support member are placed on the module; when the module is disposed on the base, the protrusions on the module are placed on the base; and when the base is disposed on the equipment workbench, the protrusions on the base are placed on the equipment workbench.

[0015] A support mechanism for large-sized workpieces includes several support fixtures for supporting the workpieces.

[0016] Compared with the prior art, the beneficial technical effects of this utility model are as follows: (1) The base extends out of the equipment worktable, so that the support is located on the outside of the equipment worktable. At this time, the support can effectively support the edge of the workpiece; the module can extend out of the base to further extend the position of the support, thereby getting rid of the size limitation of the equipment worktable and adapting to the support of workpieces of different sizes.

[0017] (2) The shape of the support surface matches the support position of the workpiece; increase the contact area between the support surface and the support position of the workpiece, and the support component and the support position of the workpiece make smooth contact to form effective support, avoiding the workpiece support position from being suspended and shaking; by changing different support components, different shapes of the workpiece support position can be adapted.

[0018] (3) When the gravity of the workpiece acts on the support, the gravity is transmitted sequentially through surface contact. The support can form a stable rigid support for the workpiece and suppress the vibration generated during the processing of the workpiece.

[0019] (4) The module moves precisely along the base through the cooperation of the guide rail groove and the protrusion; the support moves precisely along the module through the cooperation of the mounting groove and the mounting part; the support can be accurately moved to the support position of the workpiece.

[0020] (5) The module is placed perpendicular to the base, and the installation direction of the module is perpendicular to the installation direction of the base, thereby expanding the support range of the support component; by adjusting the distance between the lower and upper parts, the height of the support is adjusted so that the support component can adapt to the support requirements of different height positions of the workpiece or the support requirements of different height parts.

[0021] (6) The support mechanism includes several large-sized workpiece support fixtures to support the workpieces; the workpieces are large in size, and multiple support fixtures support them at the same time to avoid clamping imbalance caused by support at a single position. Attached Figure Description

[0022] Figure 1 The diagram shows a top view of the support fixture for a large workpiece according to the first embodiment of the present invention.

[0023] Figure 2 The diagram shows a front view of the support fixture for a large workpiece according to the first embodiment of this utility model.

[0024] Figure 3 The diagram shows a front view of the second case of the formation of the guide groove and protrusion in the first embodiment of this utility model.

[0025] Figure 4 The diagram shows a front view of the third case of the guide rail groove and protrusion formed in the first embodiment of this utility model.

[0026] Figure 5 The diagram shows a top view of the support fixture for large workpieces according to the second embodiment of this utility model.

[0027] Figure 6 The diagram shows a front view of the support fixture for a large workpiece according to the second embodiment of the present invention.

[0028] Figure 7 The diagram shows a front view of the support fixture for a large workpiece according to the third embodiment of this utility model.

[0029] Figure 8 The diagram shows a front view of the support fixture for large workpieces according to the fourth embodiment of this utility model.

[0030] Figure 9 The diagram shows a top view of the support fixture for large workpieces according to the fifth embodiment of this utility model.

[0031] Figure 10The diagram shows a front view of the support member according to the fifth embodiment of the present invention.

[0032] Figure 11 A top view of the support mechanism for large workpieces according to the sixth embodiment of this utility model is shown.

[0033] Figure 12 It shows Figure 11 A magnified view of a portion of the image.

[0034] The following labels are used in the attached diagram: 1. Base; 11. Guide rail groove; 12. Protrusion; 2. Module; 21. Protrusion; 22. Mounting groove; 3. Support; 31. Lower part; 32. Upper part; 33. Mounting part; 34. Support surface; 4. Fastener; 5. Protrusion. Detailed Implementation

[0035] To further illustrate the technical means and effects adopted by this utility model in order to achieve the intended utility model purpose, the following detailed description of the specific implementation methods, structure, features and effects of this utility model is provided in conjunction with the accompanying drawings and preferred embodiments.

[0036] Figure 1 The diagram shows a top view of the support fixture for a large workpiece according to the first embodiment of the present invention. Figure 2 This diagram shows a front view of the support fixture for a large workpiece according to the first embodiment of the present invention. (Combined with...) Figure 1 and Figure 2 As shown, this utility model discloses a support fixture for large-sized workpieces, including a base 1 installed on a machine worktable, a module 2 disposed on the upper end of the base 1, and a support member 3 for supporting the workpiece. The base 1 extends towards the workpiece support position and also extends towards the outer edge of the machine worktable. The installation direction of the module 2 is the same as that of the base 1. The module 2 moves along the base 1 to adjust its position. When the module 2 moves to a preset position on the base 1, it is fixed to the base 1.

[0037] The support member 3 is vertically installed at the upper end of the module 2, and the upper end of the support member 3 contacts the workpiece support position to form effective support for the workpiece.

[0038] When the workpiece size is too large and exceeds the range of the equipment's worktable, the workpiece edge is suspended and cannot be effectively supported. The base 1 extends beyond the equipment's worktable, placing the support 3 outside the worktable, thus providing effective support for the workpiece edge. The module 2 can extend beyond the base 1 to further extend the position of the support 3, thereby overcoming the size limitations of the equipment's worktable and accommodating workpieces of different sizes.

[0039] Module 2 can be positioned anywhere on base 1, and support 3 can also be installed anywhere on module 2. Support 3 can be positioned at any location on the workpiece to provide support.

[0040] The geometric features of the workpiece's support position include, but are not limited to, internal holes, steps, arc surfaces, curved surfaces, planes, and inclined surfaces. The side of the support member 3 that contacts the workpiece is the support surface 34. To match the geometric features of the workpiece's support position, the corresponding support surface 34 can be a cylindrical surface, a stepped surface, an arc surface, a curved surface, a plane, an inclined surface, or a combination of multiple surfaces, etc., to achieve a shape that matches the workpiece's support position. Increasing the contact area between the support surface 34 and the workpiece's support position ensures smooth contact between the support member 3 and the workpiece's support position, forming effective support and preventing the workpiece from wobbling due to suspension. By replacing different support members 3, different shapes of the workpiece's support position can be adapted.

[0041] Base 1, module 2 and support 3 are in sequential surface contact.

[0042] Specifically, when module 2 is installed on base 1, the upper surface of base 1 and the lower surface of module 2 are in surface contact. When support 3 is installed on module 2, the upper surface of module 2 and the lower surface of support 3 are in surface contact. When the weight of the workpiece acts on support 3, the weight is transmitted sequentially through surface contact. Support 3 can form a stable rigid support for the workpiece, suppressing vibrations generated during workpiece processing.

[0043] Several modules 2 are configured on the base 1.

[0044] Depending on the support position of the tool, a single module 2 or multiple modules 2 can be installed on the base 1, so that the support 3 is located on the same base 1, which improves the positional accuracy between the support 3. By supporting the workpiece from different positions through multiple support 3, the workpiece is installed stably.

[0045] The support fixture for large workpieces also includes: a guide rail groove 11, formed on the base 1 and / or module 2; and a protrusion 21, corresponding to the guide rail groove 11, formed on a structure that mates with the guide rail groove 11, for sliding engagement with the guide rail groove 11. When the guide rail groove 11 is formed on the base 1, the mating structure is module 2. When the guide rail groove 11 is formed on module 2, the mating structure is base 1. Through the engagement of the guide rail groove 11 and the protrusion 21, module 2 can move precisely along the base 1.

[0046] Figure 3 The diagram shows a front view of the second case of the formation of the guide groove and protrusion in the first embodiment of this utility model. Figure 4 This diagram shows a front view of the third case of the guide rail groove and protrusion formation according to the first embodiment of this utility model. (Combined with...) Figures 1-4As shown, the formation of the guide groove 11 and the protrusion 21 includes the following cases: In the first case: the guide groove 11 is formed on the base 1, and the protrusion 21 is formed on the module 2. The protrusion 21 is embedded in the guide groove 11 and slides along the guide groove 11, so that the module 2 slides along the base 1.

[0047] In the second scenario, the guide groove 11 is formed on the module 2, and the protrusion 21 is formed on the base 1. The protrusion 21 is embedded in the guide groove 11 and slides along the guide groove 11, so that the module 2 slides along the base 1.

[0048] The third scenario: A set of guide rail grooves 11 are formed on the module 2, another set of guide rail grooves 11 are formed on the base 1, a set of protrusions 21 are formed on the base 1, and another set of protrusions 21 are formed on the module 2. The protrusions 21 are embedded in the guide rail grooves 11 and slide along the guide rail grooves 11, so that the module 2 slides along the base 1.

[0049] The support fixture for large workpieces also includes: a mounting groove 22, formed on the module 2 and / or the support member 3; and a mounting part 33, corresponding to the mounting groove 22, formed on a structure that mates with the mounting groove 22, for sliding engagement with the mounting groove 22. When the mounting groove 22 is formed on the module 2, the mating structure is the support member 3. When the mounting groove 22 is formed on the support member 3, the mating structure is the module 2. Through the engagement of the mounting groove 22 and the mounting part 33, the support member 3 can achieve precise positional adjustment along the module 2.

[0050] The mounting groove 22 and mounting portion 33 are formed in a similar manner to the guide rail groove 11 and protrusion 21. The mounting groove 22 and mounting portion 33 are formed in the following ways: The fourth scenario: The mounting groove 22 is formed on the module 2, and the mounting part 33 is formed on the support member 3. The mounting part 33 is embedded in the mounting groove 22 and slides along the mounting groove 22, so that the support member 3 slides along the module 2 to adjust its position.

[0051] Fifth scenario: The mounting groove 22 is formed on the support member 3, and the mounting part 33 is formed on the module 2. The mounting part 33 is embedded in the mounting groove 22 and slides along the mounting groove 22, so that the support member 3 slides along the module 2 to adjust its position.

[0052] The sixth scenario: one set of mounting slots 22 is formed on the support member 3, another set of mounting slots 22 is formed on the module 2, one set of mounting parts 33 is formed on the module 2, and another set of mounting parts 33 is formed on the support member 3. The mounting parts 33 are embedded in the mounting slots 22 and slide along the mounting slots 22, so that the support member 3 slides along the module 2 to adjust its position.

[0053] The cooperation between the guide rail groove 11 and the protrusion 21 allows the module 2 to move precisely along the base 1. The cooperation between the mounting groove 22 and the mounting part 33 allows the support member 3 to move precisely along the module 2. The support member 3 can be accurately moved to the support position of the workpiece.

[0054] For example, the guide rail groove 11 includes a horizontal through groove and a vertical through groove, and the two sets of through grooves are interconnected. The shape of the protrusion 21 matches the shape of the guide rail groove 11, so that the guide rail groove 11 and the protrusion 21 form a vertical and horizontal surface contact, resulting in a large contact area and creating a constraint between different directions, preventing the module 2 from separating from the base 1, and making the movement smooth.

[0055] For example, the mounting groove 22 includes a horizontal through groove and a vertical through groove, and the two sets of through grooves are interconnected. The shape of the mounting part 33 matches the shape of the mounting groove 22, so that the mounting groove 22 and the mounting part 33 form a vertical and horizontal surface contact, resulting in a large contact area and creating constraints between different directions, preventing the support member 3 and the module 2 from detaching, and making the movement smooth.

[0056] The support 3 is fixed to the module 2 by fasteners 4, and the fasteners 4 act on the module 2 to restrict the support 3.

[0057] Fastener 4 can connect to support member 3 via threaded connection or plug-in connection, and acts on module 2 via threaded connection. Specifically, fastener 4 can simultaneously thread-connect module 2 and support member 3, fixing support member 3 to module 2. Fastener 4 can also be inserted into support member 3 and threaded to module 2, fixing support member 3 to module 2.

[0058] A groove is formed on the equipment worktable for installing support fixtures. A protrusion 12 is formed on the bottom of the base 1, and the protrusion 12 is placed in the groove. The bottom surface of the base 1 contacts the surface of the equipment worktable. The fastener 4 passes through the base 1 and the protrusion 12 and is screwed into the groove of the equipment worktable, fixing the base 1 to the equipment worktable. Since the protrusion 12 is placed in the groove, the installation position of the base 1 is defined.

[0059] Second embodiment: Figure 5 The diagram shows a top view of the support fixture for large workpieces according to the second embodiment of this utility model. Figure 6 This diagram shows a front view of the support fixture for a large workpiece according to the second embodiment of the present invention. (Combined with...) Figures 1-6As shown, the protrusion 21 is placed in the guide groove 11 and is connected to the module 2 by fasteners 4. The guide groove 11 has steps on both sides, and the protrusion 21 has steps on both sides to fit into the guide groove 11. The size of the protrusion 21 is smaller than the size of the guide groove 11, so that the protrusion 21 can move smoothly along the guide groove 11 to adjust its position.

[0060] Fastener 4 passes through module 2 and extends into guide rail groove 11, then is screwed into protrusion 21. Guide rail groove 11 restricts the rotation of protrusion 21. As fastener 4 continues to rotate, it pulls protrusion 21 upward. The steps on both sides of protrusion 21 contact the steps on both sides of guide rail groove 11, restricting further movement of protrusion 21. At this point, module 2 and base 1 are securely connected. Reversing the rotation of fastener 4 will loosen the connection between module 2 and base 1.

[0061] The mounting part 33 is placed in the mounting groove 22 and is connected to the support member 3 by fasteners 4. The mounting groove 22 has steps on both sides, and the mounting part 33 has corresponding steps on both sides to fit into the mounting groove 22. The size of the mounting part 33 is smaller than the size of the mounting groove 22, so that the mounting part 33 can move smoothly along the mounting groove 22 to adjust its position.

[0062] Fastener 4 passes through support member 3 and extends into mounting groove 22, then is screwed into mounting part 33. Mounting groove 22 restricts the rotation of mounting part 33. As fastener 4 continues to rotate, it pulls mounting part 33 upward. The steps on both sides of mounting part 33 contact the steps on both sides of mounting groove 22, restricting further movement of mounting part 33. At this point, support member 3 and module 2 are securely connected. Reversing the rotation of fastener 4 will loosen the connection between support member 3 and module 2.

[0063] A groove is formed on the equipment workbench for installing support fixtures. A protrusion 12 is formed on the bottom of the base 1, and the protrusion 12 is placed in the groove. The bottom surface of the base 1 contacts the surface of the equipment workbench.

[0064] After fastener 4 passes through base 1, it is screwed into rib 12. The groove restricts the rotation of rib 12. As fastener 4 continues to rotate, it pulls rib 12 upward. The steps on both sides of rib 12 contact the steps on both sides of the groove, restricting rib 12 from moving further. At this point, base 1 and the equipment worktable are firmly connected. Rotating fastener 4 in the opposite direction will loosen the connection between base 1 and the equipment worktable.

[0065] Third embodiment: Figure 7 This diagram shows a front view of the support fixture for a large workpiece according to the second embodiment of the present invention. (Combined with...) Figures 5-7As shown, a support fixture for a large workpiece also includes protrusions 5. Protrusions 5 are formed on the lower surfaces of the base 1, module 2, and support member 3, respectively. One set or two sets of protrusions 5 can be formed on the same lower surface. When the support member 3 is placed on the module 2, the protrusions 5 on the support member 3 are positioned at their upper ends within the mounting groove 22. The movement direction of the support member 3 is restricted by the cooperation between the protrusions 5 and the mounting groove 22, allowing the support member 3 to move smoothly along the mounting groove 22 on the module 2, thus adjusting the position of the support member 3 on the module 2. Fasteners 4 pass through the support member 3 and the protrusions 5 respectively and are screwed into the mounting portion 33, fixing the support member 3 to the module 2.

[0066] When module 2 is placed on base 1, the protrusion 5 on module 2 is positioned at the upper end of the guide rail groove 11. The movement direction of module 2 is restricted by the cooperation between the protrusion 5 and the guide rail groove 11, allowing module 2 to move smoothly along the guide rail groove 11 on base 1, thus adjusting the position of module 2 on base 1. Fastener 4 passes through module 2 and protrusion 5 respectively and is screwed into protrusion 21, fixing module 2 to base 1.

[0067] When the base 1 is placed on the equipment workbench, the protrusion 5 on the base 1 is positioned at the upper end of the groove in the equipment workbench. The movement direction of the base 1 is restricted by the cooperation between the protrusion 5 and the groove, allowing the base 1 to move smoothly along the groove direction on the equipment workbench and adjusting its position. The fastener 4 passes through the base 1 and the protrusion 5 respectively and is screwed into the convex strip 12 to fix the base 1 on the equipment workbench.

[0068] Fourth embodiment: Figure 8 This diagram shows a front view of the support fixture for a large workpiece according to the fourth embodiment of the present invention. (Combined with...) Figure 5 , Figure 6 and Figure 8 As shown, for example, the guide rail groove 11 is a square through groove. The guide rail groove 11 extends through the front and back directions. The shape of the protrusion 21 matches the shape of the guide rail groove 11. Compared to the first embodiment, which requires translation to detach the module 2 from the base 1, in the second embodiment, the module 2 can be directly lifted upwards to detach it from the base 1, making disassembly and assembly convenient.

[0069] For example, the mounting groove 22 is a square through groove. The mounting groove 22 extends through the front and back. The shape of the mounting part 33 is to match the shape of the mounting groove 22. Compared with the first embodiment, which requires translation to detach the support member 3 from the module 2, the second embodiment allows the support member 3 to be directly supported upwards, thus detaching the support member 3 from the module 2, which is convenient for disassembly and assembly.

[0070] The support member 3 is fixed to the module 2 by fasteners 4. The fasteners 4 act on the module 2, restricting the support member 3. The fasteners 4 can connect to the support member 3 via threaded connection or plug-in connection, and act on the module 2 via threaded connection to fix the support member 3 and the module 2. Specifically, the fasteners 4 can simultaneously thread-connect the bottom of the mounting groove 22 and the support member 3. Alternatively, the fasteners 4 can be inserted into the support member 3 and threadedly connected to the bottom of the mounting groove 22.

[0071] Fifth embodiment: Figure 9 The diagram shows a top view of the support fixture for large workpieces according to the fifth embodiment of this utility model. Figure 10 This diagram shows a front view of the support member according to the fifth embodiment of the present invention. (In conjunction with...) Figure 5 , Figure 6 , Figure 9 and Figure 10 As shown, module 2 is placed perpendicular to base 1, and the installation direction of module 2 is perpendicular to the installation direction of base 1, thereby expanding the support range of support member 3. To ensure the balance of both sides of module 2, support member 3 is symmetrically arranged on module 2.

[0072] The support member 3 includes a lower part 31 and an upper part 32 that are connected to each other. The lower part 31 and the upper part 32 are close to or far apart from each other and maintain a preset position. By adjusting the distance between the lower part 31 and the upper part 32, the height of the support can be adjusted, so that the support member 3 can adapt to the support requirements of different height positions of the workpiece or the support requirements of parts of different heights.

[0073] The lower part 31 and the upper part 32 can be connected by a thread. The upper part 32 can be adjusted to a preset height by rotating it.

[0074] The lower part 31 and the upper part 32 can also be slidably connected. After the lower part 31 is adjusted to the preset height, the pin passes through the lower part 31 and the upper part 32 to complete the limit.

[0075] Sixth embodiment: Figure 11 A top view of the support mechanism for large workpieces according to the sixth embodiment of this utility model is shown. Figure 12 It shows Figure 11 A magnified view of a portion of the central area. (Combined with...) Figures 1-12 As shown, a support mechanism for large-sized workpieces includes several support fixtures for supporting the workpieces. Since the workpieces are large, simultaneous support from multiple fixtures avoids clamping imbalance caused by support at a single location.

[0076] Large workpieces are placed on the machine's worktable, which is equipped with grippers to hold and secure them. A support mechanism is also installed on the worktable to support the large workpiece. The grippers and support mechanism work together to clamp the large workpiece.

[0077] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present utility model. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.

Claims

1. A support fixture for large-sized workpieces, characterized in that: It includes a base (1) installed on the workbench of the equipment, a module (2) disposed on the base (1) and a support member (3) supporting the workpiece; wherein the base (1) extends toward the workpiece support position; the module (2) moves along the base (1) and is restricted to a preset position on the base (1); the support member (3) is disposed on the module (2) and contacts the workpiece support position.

2. The support fixture for large-sized workpieces as described in claim 1, characterized in that: The side of the support member (3) that contacts the workpiece is the support surface (34), and the shape of the support surface (34) matches the support position of the workpiece.

3. The support fixture for large-sized workpieces as described in claim 2, characterized in that: Support fixtures for large workpieces also include: Guide rail groove (11) is formed on the base (1) and / or the module (2); The protrusion (21), corresponding to the guide groove (11), is formed on a structure that matches the setting structure of the guide groove (11) and is used to slide with the guide groove (11); Wherein, when the guide rail groove (11) is formed on the base (1), the corresponding structure is the module (2); when the guide rail groove (11) is formed on the module (2), the corresponding structure is the base (1).

4. The support fixture for large-sized workpieces as described in claim 1, characterized in that: The base (1) has a raised strip (12) at its bottom, and the raised strip (12) is placed on the equipment workbench.

5. The support fixture for large-sized workpieces as described in claim 2, characterized in that: The support member (3) is fixed to the module (2) by fasteners (4), and the fasteners (4) act on the module (2) to restrict the support member (3).

6. The support fixture for large-sized workpieces as described in claim 5, characterized in that: Support fixtures for large workpieces also include: Mounting slots (22) are formed on the module (2) and / or the support (3); The mounting part (33), corresponding to the mounting groove (22), is formed on a structure that cooperates with the setting structure of the mounting groove (22) and is used to slide with the mounting groove (22); When the mounting groove (22) is formed on the module (2), the corresponding structure is the support member (3); when the mounting groove (22) is formed on the support member (3), the corresponding structure is the module (2).

7. The support fixture for large-sized workpieces as described in claim 2, characterized in that: Several modules (2) are configured on the base (1).

8. The support fixture for large-sized workpieces as described in claim 2, characterized in that: The module (2) is placed perpendicular to the base (1); the support members (3) are symmetrically arranged on the module (2); The support member (3) includes a lower part (31) and an upper part (32) that are connected to each other; the lower part (31) and the upper part (32) are close to or far from each other and maintain a preset position.

9. The support fixture for large-sized workpieces as described in claim 1, characterized in that: It also includes protrusions (5) respectively disposed on the base (1), the module (2) and the support member (3); wherein, when the support member (3) is disposed on the module (2), the protrusions (5) on the support member (3) are placed on the module (2); when the module (2) is disposed on the base (1), the protrusions (5) on the module (2) are placed on the base (1); when the base (1) is disposed on the equipment workbench, the protrusions (5) on the base (1) are placed on the equipment workbench.

10. A support mechanism for a large-sized workpiece, characterized in that: This includes support fixtures for several large-sized workpieces.

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