Machining clamp for mechanical design

Abstract

The utility model relates to a machining clamp for mechanical design. The machining clamp comprises a first clamping assembly used for clamping a main body of a to-be-clamped piece and a second clamping assembly used for conducting auxiliary clamping on the to-be-clamped piece. According to the machining clamp for mechanical design, through mutual cooperation of the first clamping plate and the second clamping plate, a main body structure of a to-be-clamped piece is mainly clamped, on the basis, the adsorption parts are adjusted through the adjusting rod, at the moment, the two different adsorption parts can conduct auxiliary clamping on other parts except the main body structure of the to-be-clamped piece, and the clamping effect is improved. In this way, by means of the main body clamping mode and the auxiliary clamping mode, the problem that a preliminary model formed through mechanical design is disconnected due to poor connectivity between different structures and parts is solved.

Description

Technical Field

[0001] This utility model relates to the field of machining technology, specifically to machining fixtures for mechanical design. Background Technology

[0002] In the field of machining, it is often necessary to design and plan the workpiece. After the design and planning are completed, the model or concept drawing in the mechanical design process needs to be preliminarily machined to generate a preliminary model. However, in this preliminary model, different parts are often assembled together to form the preliminary model.

[0003] After the preliminary models are assembled, those skilled in the art need to observe and inspect them (including, but not limited to, verifying the structural integrity of the assembled preliminary models). During this process, the preliminary models generated from mechanical design need to be displayed. However, during the display, because most preliminary models are assembled from parts, there are often problems with disconnected connections or poor stability between different structures (the connection stability between different structures in the preliminary models initially machined for mechanical design is poor). Based on this, a machining fixture for mechanical design is proposed to solve these problems, which is urgently needed in the current field. Utility Model Content

[0004] In view of this, the purpose of this utility model is to provide a machining fixture for mechanical design, so as to solve the problem that in the preliminary stage of mechanical design, when a preliminary model is displayed, different structures are prone to disconnection or poor stability due to poor structural connectivity.

[0005] This utility model is achieved through the following technical solution:

[0006] A machining fixture for mechanical design includes a first clamping assembly for clamping the main body of a workpiece to be clamped, and a second clamping assembly for auxiliary clamping of the workpiece to be clamped;

[0007] The first clamping assembly includes a first clamping plate and a second clamping plate with displacement function. When the second clamping plate is displaced relative to the first clamping plate and comes into contact with the main structure of the part to be clamped, the main body of the part to be clamped is clamped.

[0008] The second clamping assembly is provided in two sets, and each set of the second clamping assembly includes an adsorption part that abuts against different parts of the workpiece to be clamped, and an adjustment rod with adjustment function connected to the adsorption part. When the adjustment rod adjusts its angle and abuts against the workpiece to be clamped through the adsorption part, it assists in clamping the workpiece to be clamped.

[0009] Furthermore, the first clamping assembly also includes a support plate and an adjusting member for adjusting the displacement of the second clamping plate. The first clamping plate is mounted on the top of the support plate and is disposed opposite to the second clamping plate.

[0010] The adjusting component includes two connecting plates spaced apart from each other and a slider. The connecting plates are mounted on the top of the support plate. The two connecting plates have grooves along their length on opposite sides. The two ends of the slider extend into the inner sides of different grooves to slide. The second clamping plate is mounted on the slider and moves with the slider as it slides.

[0011] The adjusting component also includes a cylinder mounted on the top of the support plate. The piston rod end of the cylinder is connected to the slider, and the piston rod faces the first clamping plate. When the piston rod of the cylinder extends or retracts, it pushes the slider to slide inside the groove and drives the second clamping plate to move relative to it. When the second clamping plate and the first clamping plate abut against the workpiece to be clamped, the main body of the workpiece to be clamped is clamped.

[0012] Furthermore, each set of adjusting rods includes a first support rod and a second support rod hinged to the first support rod, wherein a connecting plate is provided at the end of the second support rod away from the first support rod;

[0013] Each set of adsorption units includes at least two suction cups, which are mounted on the side of the connecting plate away from the second support rod;

[0014] When the two sets of suction cups come into contact with the workpiece to be clamped, the purpose of assisting in clamping the workpiece is achieved.

[0015] Furthermore, two support plates are provided at the ends of the first support rod and the second support rod, and the two support plates are symmetrically distributed on both sides of the end of the first support rod. One of the support plates has a through hole in the thickness direction. On the side of the first support rod adjacent to the through hole, a threaded hole is provided in the thickness direction. A locking screw is threaded on the threaded hole. The locking screw passes through the through hole and extends to the inside of the threaded hole.

[0016] An arc-shaped clamp is provided on one side of each of the two support plates, and a ball is provided at the end of the second support rod near the first support rod. The two clamps form a space for storing the ball.

[0017] When the locking screw loosens, the two clamps lose their resistance to the ball, and the ball rotates, causing the second support rod to move.

[0018] When the locking screw is threaded into the inside of the threaded hole, the two clamps apply a resisting force to the ball, and the ball is fixed in place.

[0019] Furthermore, mounting plates are symmetrically arranged on both sides of the support plate, and the side of the mounting plate opposite to the support plate is open along its length direction. The bottom of the mounting plate is provided with a movable groove communicating with the inside of the opening along its length direction.

[0020] The mounting plate has a movable block slidably mounted inside the opening. Two partitions are symmetrically arranged at intervals on the side of the movable block facing away from the mounting plate. The partitions have movable holes through them along their thickness direction. A movable rod is provided inside the movable hole. The movable rod is connected to the first support rod. A threaded rod is provided at the bottom of the movable block. The bottom end of the threaded rod passes through the movable groove and extends to the outside of the mounting plate. A locking nut is provided on the threaded rod.

[0021] The outer surface of the movable rod is provided with external threads, and the end of the movable rod is provided with a fixing nut that matches the external threads.

[0022] Furthermore, an arc-shaped abutment plate is detachably installed on the side of the first clamping plate opposite to the second clamping plate.

[0023] Furthermore, an embedding groove is provided on the opposite side of the first clamping plate and the second clamping plate along its width direction, and an embedding plate is provided on the opposite side of the two abutting plates along the length direction of the embedding groove.

[0024] The embedded plate has limiting plates on both sides along its length direction, and the embedded groove has limiting grooves on both sides along its length direction that engage with the limiting plates.

[0025] Furthermore, the bottom of the embedding groove extends downward to form a slot, and the bottom of the embedding plate extends to the inside of the slot in a locking position. The surfaces of the first clamping plate and the second clamping plate are provided with limiting holes communicating with the slot, and the surface of the embedding plate is provided with spring pins that engage with the limiting holes.

[0026] The beneficial effects of this utility model are as follows:

[0027] The machining fixture designed for this machine uses the cooperation of the first and second clamping plates to primarily clamp the main structure of the workpiece. Based on this, the suction part is adjusted by the adjusting rod. At this time, the two different suction parts can provide auxiliary clamping for other parts other than the main structure of the workpiece. In this way, by using both main clamping and auxiliary clamping, problems such as disconnection may occur in the preliminary model of the machine design due to poor connection between different structures and parts.

[0028] Other advantages, objectives, and features of this invention will be set forth in part in the description which follows, and in part will be apparent to those skilled in the art from the following examination and study, or may be learned from practice of this invention. The objectives and other advantages of this invention can be realized and obtained through the following description. Attached Figure Description

[0029] Figure 1 This is a front view of the present invention;

[0030] Figure 2 This is a top view of the present invention;

[0031] Figure 3 This is a side view of the present invention;

[0032] Figure 4 This is a first perspective view of the present invention;

[0033] Figure 5 This is a second perspective view of the present invention;

[0034] Figure 6 This is a third perspective view of the present invention;

[0035] Figure 7 This is a partial top view of the abutment plate and the first clamping plate;

[0036] Figure 8 This is a partial side view of the abutment plate and the first clamping plate;

[0037] Figure 9 A three-dimensional schematic diagram of the abutment plate and the first clamping plate;

[0038] Figure 10 This is a partial front view of the abutment plate and the first clamping plate;

[0039] Figure 11 for Figure 10 Cross-sectional view along the GG direction;

[0040] Figure 12 This is a partial front view of the adjusting rod;

[0041] Figure 13 This is a partial side view of the adjusting rod;

[0042] Figure 14 This is a partial top view of the adjusting rod;

[0043] Figure 15 This is a partial 3D schematic diagram of the adjusting rod;

[0044] Figure 16 This is a schematic diagram of a partial explosion of the adjusting rod;

[0045] Figure 17 A three-dimensional schematic diagram of the part to be clamped;

[0046] Figure 18 This is a front view of the part to be clamped;

[0047] Figure 19 for Figure 18 A cross-sectional view along the AA direction.

[0048] In the diagram: 1. First clamping assembly; 101. First clamping plate; 102. Second clamping plate; 103. Support plate; 2. Second clamping assembly; 3. Adjusting rod; 301. First support rod; 302. Second support rod; 4. Adjusting component; 401. Connecting plate; 402. Slider; 403. Cylinder; 5. Connecting plate; 6. Suction cup; 7. Support plate; 8. Locking screw; 9. Clamping plate; 10. Ball; 11. Mounting plate; 12. Partition plate; 13. Movable rod; 14. Fixing nut; 15. Threaded rod; 16. Locking nut; 18. Storage box; 19. Abutment plate; 20. Embedded plate; 21. Limiting plate; 22. Spring pin; 23. Movable block. Detailed Implementation

[0049] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, 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. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0050] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0051] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0052] In the above description of this utility model, it should be noted that the terms "one side," "the other side," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the utility model product is in use. They are only for the convenience of describing this utility model and simplifying the description, and do not 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. In addition, the terms "first," "second," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0053] Furthermore, terms such as "identical" do not imply that components must be absolutely identical; minor differences are permissible. The term "perpendicular" simply means that the positional relationship between components is more perpendicular than "parallel," not that the structure must be perfectly perpendicular; a slight tilt is acceptable.

[0054] Please see Figure 1-16 The present invention provides a technical solution: a machining fixture for mechanical design, including a first clamping component 1 for clamping the main body of the workpiece to be clamped, and a second clamping component 2 for auxiliary clamping of the workpiece to be clamped;

[0055] The first clamping assembly 1 includes a first clamping plate 101 and a second clamping plate 102 with displacement function. When the second clamping plate 102 is displaced relative to the first clamping plate 101 and comes into contact with the main structure of the part to be clamped, the main body of the part to be clamped is clamped.

[0056] The second clamping assembly 2 is provided in two sets, and each set of the second clamping assembly 2 includes an adsorption part that abuts against different parts of the workpiece to be clamped, and an adjustment rod 3 with adjustment function connected to the adsorption part. When the adjustment rod 3 adjusts its angle and abuts against the workpiece to be clamped through the adsorption part, it assists in clamping the workpiece to be clamped.

[0057] First, please refer to the appendix. Figure 17-19 The schematic diagram shows the part to be clamped, where A can be understood as the main structure of the part to be clamped, and B represents the other structures of the part after assembly. Based on the mechanical design, a preliminary model of the assembled part is first made.

[0058] When it is necessary to observe and verify the preliminary model at this point, first examine the main structure of the preliminary model (attached). Figure 17-19 Part A of the main body is placed between the first clamping plate and the second clamping plate, and the outer wall of the main body structure is pressed against the first clamping plate. At this time, the relative position of the second clamping plate is adjusted until the second clamping plate abuts against the outer wall of the main body structure of the part to be clamped. Thus, under the relative action of the first clamping plate and the second clamping plate, the main body structure is fixed and clamped.

[0059] After the main structure is clamped, the relative angle and position of the suction unit are adjusted using the adjusting rod. Then, two different suction units are used to clamp other parts besides the main structure of the workpiece (see attached diagram). Figure 17-19 Part B of the model is used for contact and clamping. This achieves contact and support between the main structure and other structures of the part to be clamped, thereby minimizing the possibility of disconnection or poor stability between different components in the initial model.

[0060] As for the preliminary model produced after the mechanical design mentioned in this application, how to observe and inspect it (using an angle measuring instrument or other impact test experiments) is one of the existing technologies in this field. It is not the technical problem that this application intends to solve, nor is it the technical solution that this application needs to protect. Therefore, this application will not elaborate on it further.

[0061] In this embodiment: the first clamping assembly 1 further includes a support plate 103 and an adjusting member 4 for adjusting the displacement of the second clamping plate 102. The first clamping plate 101 is installed on the top of the support plate and is arranged opposite to the second clamping plate 102.

[0062] The adjusting component 4 includes two connecting plates 401 arranged at relative intervals and a slider 402. The connecting plates 401 are installed on the top of the support plate. The two connecting plates 401 have grooves along their length on opposite sides. The two ends of the slider 402 extend into the inner side of different grooves to slide. The second clamping plate 102 is installed on the slider 402 and moves with the slider 402 as it slides.

[0063] The adjusting component 4 also includes a cylinder 403 installed on the top of the support plate. The piston rod end of the cylinder 403 is connected to the slider 402, and the piston rod faces the first clamping plate 101. When the piston rod of the cylinder 403 extends or retracts, it pushes the slider 402 to slide inside the groove and drives the second clamping plate 102 to move relative to each other. When the second clamping plate 102 and the first clamping plate 101 come into contact with the object to be clamped, the main body of the object to be clamped is clamped.

[0064] When it is necessary to clamp the main structure of the part to be clamped, firstly, the outer wall of the part to be clamped is pressed against the first clamping plate. Then, the piston rod of the cylinder is used to push the slider to make relative movement. When the slider slides inside the groove and drives the second clamping plate to move relative to the outer wall of the part to be clamped, the clamping and fixing of the main structure of the part to be clamped can be completed.

[0065] Please refer to the attached document here. Figure 1 The first clamping plate and the second clamping plate are arranged opposite to each other, and the main structure of the part to be clamped is located in the middle of the first clamping plate and the second clamping plate, thereby achieving the purpose of clamping the main structure of the part to be clamped in the subsequent process.

[0066] The cylinder mentioned in this application can be an SC50X175 cylinder. As for other cylinders, they can be selected or replaced from the existing technology according to the actual working needs of those skilled in the art.

[0067] In this embodiment: each set of adjusting rods 3 includes a first support rod 301 and a second support rod 302 hinged to the first support rod 301. The end of the second support rod 302 facing away from the first support rod 301 is provided with a connecting plate 5.

[0068] Each adsorption unit includes at least two suction cups 6, which are mounted on the side of the connecting plate 5 away from the second support rod 302.

[0069] When the two sets of suction cups 6 come into contact with the workpiece to be clamped, they achieve the purpose of assisting in clamping the workpiece.

[0070] Two support plates 7 are provided at the end of the first support rod 301 adjacent to the second support rod 302, and the two support plates 7 are symmetrically distributed on both sides of the end of the first support rod 301. One of the support plates 7 has a through hole in the thickness direction. On the side of the first support rod 301 adjacent to the through hole, a threaded hole is provided in the thickness direction. A locking screw 8 is threaded on the threaded hole. The locking screw 8 passes through the through hole and extends to the inside of the threaded hole.

[0071] An arc-shaped clamping plate 9 is provided on one side of the two support plates 7, and a ball 10 is provided on the end of the second support rod 302 near the end of the first support rod 301. The two clamping plates 9 form a storage space for the ball 10.

[0072] When the locking screw 8 is loosened, the two clamps 9 lose their resistance to the ball 10, and the ball 10 rotates, causing the second support rod 302 to move.

[0073] When the locking screw 8 is threaded into the inside of the threaded hole, the two clamping plates 9 apply a resisting force to the ball 10, and the ball 10 is fixed.

[0074] Based on the model construction of the workpiece other than the main structure, the working angle and position of the suction cup are selectively adjusted as follows:

[0075] First, loosen the locking screw. At this point, the support plates lose their clamping force on the ball, allowing the ball to move freely between the two support plates. Refer to the attached diagram for further information. Figure 15-16 Then, the position and angle of the ball between the two support plates can be adjusted as needed, thereby adjusting the relative angle between the second support rod and the first support rod. When the relative angle between the first support rod and the second support rod is adjusted so that the suction cup is tightly attached to the surface of other parts outside the main structure of the part to be clamped (such as... Figure 17-19(Part B in the middle), at this time, the locking screw is passed through the through hole and screwed to the inside of the threaded hole to fix the support plate. When the two support plates are fixed and the clamping force is applied to the ball, the second support rod and the first support rod are fixed relative to each other again.

[0076] After the first and second support rods are adjusted, the two sets of different suction cups adhere to the outer surface of the part to be clamped. Based on this, other components (such as...) outside the main structure of the part to be clamped can be clamped. Figure 17-19 Part B of the structure is clamped and fixed relative to each other.

[0077] In this embodiment: mounting plates 11 are symmetrically arranged on both sides of the support plate. The side of the mounting plate 11 away from the support plate is open along its length direction. The bottom of the mounting plate 11 is provided with a movable groove communicating with the inside of its opening along its length direction.

[0078] A movable block 23 is slidably provided inside the opening of the mounting plate 11. Two partitions 12 are symmetrically arranged at a distance from the end of the movable block 23 facing away from the mounting plate 11. The partitions 12 have movable holes through them along their thickness direction. A movable rod 13 is provided inside the movable hole. The movable rod 13 is connected to the first support rod 301. A threaded rod 15 is provided at the bottom of the movable block 23. The bottom end of the threaded rod 15 passes through the movable groove and extends to the outside of the mounting plate 11. A locking nut 16 is provided on the threaded rod 15.

[0079] The outer surface of the movable rod 13 is provided with external threads, and the end of the movable rod 13 is provided with a fixing nut 14 that matches the external threads;

[0080] The above embodiments adjust the relative angle between the first support rod and the second support rod to clamp and fix the parts to be clamped at different heights. The purpose of this embodiment is to clamp and fix the parts to be clamped under different widths or different diameters.

[0081] When dealing with different widths or diameters of the parts to be clamped, the locking nut can be loosened first. At this time, the movable block can be adjusted to slide inside the opening of the mounting plate. Based on this sliding, the threaded rod also slides along the movable groove. This allows the positions of the first and second support rods to be adjusted together. After the adjustment is completed, tighten the locking nut onto the threaded rod until the locking nut abuts against the bottom of the mounting plate. Use the friction between the locking nut and the bottom of the mounting plate to fix the threaded rod and the movable block.

[0082] Based on this, this embodiment further includes a partition, a fixing nut, and an external thread on the outer surface of the movable rod. The purpose is to further adjust the relative angle between the first support rod and the movable block as needed, thereby further improving the applicability of the technical solution of this application to clamping different objects.

[0083] When clamping and fixing a specially shaped part, the fixing nut can be loosened. Then the movable rod can be rotated to adjust the relative angle between the first support rod and the movable block. After the angle of the first support rod is adjusted, the fixing nut is tightened on the movable rod until it abuts against the partition. The friction between the fixing nut and the partition is used to drive the movable rod to fix it.

[0084] In this embodiment, an arc-shaped abutment plate 19 is detachably installed on the side of the first clamping plate 101 opposite to the second clamping plate 102.

[0085] An embedding groove is provided on the opposite side of the first clamping plate 101 and the second clamping plate 102 along its width direction, and an embedding plate 20 is provided on the opposite side of the two abutting plates 19 along the length direction of the embedding groove.

[0086] Limiting plates 21 are provided on both sides of the embedded plate 20 along its length direction, and limiting grooves that engage with the limiting plates 21 are provided on both sides of the embedded groove along its length direction.

[0087] When the main structure of the part to be clamped is a spherical arc shape, or when the clamping point of the main structure is arc-shaped, the insert plate can be inserted into the inner side of the insert groove. At this time, the limiting plate slides within the limiting groove to limit stability. The purpose of this is to prevent the insert plate from sliding within the insert groove. Then, the two abutment plates replace the first and second clamping plates and contact the part to be clamped, thus achieving abutment clamping of the arc-shaped part. (See attached diagram.) Figure 9-11 ;

[0088] When it is necessary to clamp a conventional rectangular object, the insert plate is removed from the insert groove, and the first clamping plate and the second clamping plate are directly brought into contact with the object to be clamped, so as to achieve clamping and fixing of the object.

[0089] In this embodiment: the bottom of the embedding groove extends downward to form a slot, the bottom of the embedding plate 20 extends to the inside of the slot to form a locking shape, the surfaces of the first clamping plate 101 and the second clamping plate 102 are provided with limiting holes communicating with the slot, and the surface of the embedding plate 20 is provided with spring pins 22 that engage with the limiting holes.

[0090] Reference attached here Figure 11 When the insert plate slides to the inside of the insert groove and extends to the inside of the slot, the spring pin engages with the inside of the limiting hole, which is intended to enhance the stability of the abutment plate in use.

[0091] When the abutment plate needs to be removed, simply press the spring pin to retract it, and then pull the abutment plate upwards.

[0092] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the spirit and scope of the technical solutions of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A machining fixture for mechanical design, characterized in that: It includes a first clamping assembly (1) for clamping the body of the object to be clamped, and a second clamping assembly (2) for auxiliary clamping of the object to be clamped. The first clamping assembly (1) includes a first clamping plate (101) and a second clamping plate (102) with displacement function. When the second clamping plate (102) is displaced relative to the first clamping plate (101) and abuts against the main structure of the part to be clamped, the main body of the part to be clamped is clamped. The second clamping assembly (2) is provided in two sets, and each set of the second clamping assembly (2) includes an adsorption part that abuts against different parts of the workpiece to be clamped, and an adjustment rod (3) with adjustment function connected to the adsorption part. When the adjustment rod (3) adjusts its angle and abuts against the workpiece to be clamped through the adsorption part, it assists in clamping the workpiece to be clamped. An arc-shaped abutment plate (19) is detachably installed on the side opposite to the first clamping plate (101) and the second clamping plate (102). An embedding groove is provided on the opposite side of the first clamping plate (101) and the second clamping plate (102) along its width direction, and an embedding plate (20) is provided on the opposite side of the two abutting plates (19) along the length direction of the embedding groove. Limiting plates (21) are provided on both sides of the embedded plate (20) along its length direction, and limiting grooves that engage with the limiting plates (21) are provided on both sides of the embedded groove along its length direction. The bottom of the embedding groove extends downward to form a slot, and the bottom of the embedding plate (20) extends to the inside of the slot in a locking state. The surfaces of the first clamping plate (101) and the second clamping plate (102) are provided with limiting holes that communicate with the slot. The surface of the embedding plate (20) is provided with spring pins (22) that engage with the limiting holes. The first clamping assembly (1) further includes a support plate and an adjusting member (4) for adjusting the displacement of the second clamping plate (102). The first clamping plate (101) is mounted on the top of the support plate and is disposed opposite to the second clamping plate (102). The adjusting component (4) includes two connecting plates (401) arranged at relative intervals and a slider (402). The connecting plates (401) are installed on the top of the support plate. The two connecting plates (401) have grooves along their length on opposite sides. The two ends of the slider (402) extend into the inner side of different grooves to slide. The second clamping plate (102) is installed on the slider (402) and moves with the slider (402) as it slides. The adjusting component (4) also includes a cylinder (403) installed on the top of the support plate. The piston rod end of the cylinder (403) is connected to the slider (402), and the piston rod faces the first clamping plate (101). When the piston rod of the cylinder (403) extends or retracts, it pushes the slider (402) to slide inside the groove and drives the second clamping plate (102) to move relative to each other. When the second clamping plate (102) and the first clamping plate (101) come into contact with the object to be clamped, the main body of the object to be clamped is clamped.

2. The machining fixture for mechanical design according to claim 1, characterized in that: Each set of adjustment rods (3) includes a first support rod (301) and a second support rod (302) hinged to the first support rod (301). The end of the second support rod (302) away from the first support rod (301) is provided with a connecting plate (5). Each set of adsorption units includes at least two suction cups (6), which are mounted on the side of the connecting plate (5) away from the second support rod (302); When the two sets of suction cups (6) come into contact with the object to be clamped, the purpose of assisting in clamping the object to be clamped is achieved.

3. The machining fixture for mechanical design according to claim 2, characterized in that: Two support plates (7) are provided at the end of the first support rod (301) and the second support rod (302) adjacent to each other, and the two support plates (7) are symmetrically distributed on both sides of the end of the first support rod (301). One of the support plates (7) has a through hole in its thickness direction. On the side of the first support rod (301) adjacent to the through hole, a threaded hole is provided along its thickness direction. A locking screw (8) is threaded on the threaded hole. The locking screw (8) passes through the through hole and extends to the inside of the threaded hole. An arc-shaped clamp (9) is provided on one side of the two support plates (7), and a ball (10) is provided on the end of the second support rod (302) near the first support rod (301). The two clamps (9) form a storage space for the ball (10). When the locking screw (8) is loosened, the two clamps (9) lose their abutment force on the ball (10), and the ball (10) rotates and drives the second support rod (302) to move; When the locking screw (8) is threaded into the inside of the threaded hole, the two clamps (9) apply abutment force to the ball (10), and the ball (10) is fixed.

4. The machining fixture for mechanical design according to claim 2 or 3, characterized in that: The support plate is symmetrically provided with mounting plates (11) on both sides. The mounting plate (11) is open along its length on the side away from the support plate. The bottom of the mounting plate (11) is provided with a movable groove that communicates with the inside of the opening along its length. The mounting plate (11) has a movable block (23) slidably mounted inside the opening. Two partitions (12) are symmetrically arranged at a distance from the end of the movable block (23) facing away from the mounting plate (11). The partitions (12) have movable holes through them along their thickness direction. A movable rod (13) is provided inside the movable hole. The movable rod (13) is connected to the first support rod (301). A threaded rod (15) is provided at the bottom of the movable block (23). The bottom end of the threaded rod (15) passes through the movable groove and extends to the outside of the mounting plate (11). A locking nut (16) is provided on the threaded rod (15). The outer surface of the movable rod (13) is provided with an external thread, and the end of the movable rod (13) is provided with a fixing nut (14) that matches the external thread.

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