Force-adjustable round bar clamping jig
By designing a round rod clamping fixture with adjustable force, the problem of unadjustable clamping force in the prior art is solved, and adaptive clamping for round rods of different sizes is achieved to ensure processing stability.
Patent Information
- Application Number
- CN202422467156.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-12
- Publication Date
- 2025-08-05
- Estimated Expiration
- 2034-10-12
AI Technical Summary
The clamping force of existing round rod clamping fixtures is not adjustable and cannot adapt to round rods of different materials and sizes.
A round rod clamping fixture including a push mechanism, a compression mechanism and a limiting mechanism is designed. Through a turntable, pointer, label, threaded rod, nut, limiting column and card and mechanism, the angle of the transfer plate is adjusted to achieve the effect of adjusting the clamping force.
The clamping force can be adjusted according to the size of the round rod, adapted to different sizes of round rods, ensuring that the workpiece remains stable during processing.
Smart Images

Figure CN223186091U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of clamping fixtures, in particular to a round rod clamping fixture with adjustable force. Background Art
[0002] A fixture is a device used to secure, position, and clamp workpieces (such as components and materials) during the manufacturing process. It is specifically designed and manufactured to ensure that the workpiece remains accurately positioned and stable during operations such as machining (such as machining, welding, and assembly), testing, and assembly. Once the workpiece is positioned, the fixture applies a certain clamping force to prevent it from moving, vibrating, or rotating during processing.
[0003] The existing clamping fixture has the problem that the clamping force cannot be adjusted and cannot adapt to round rods of different materials and sizes. Therefore, it is of great significance to design a round rod clamping fixture with adjustable force. Utility Model Content
[0004] The purpose of the utility model is to provide a round rod clamping fixture with adjustable force, which has the advantage of adjustable clamping force and solves the problem that the clamping force of the current round rod clamping fixture cannot be adjusted.
[0005] Material toggling mechanism, its both ends are to be connected with the up-down knob.The tool holder is equipped with a button bar, and a push rod is installed on the top of the button bar, and a push rod is installed on the other end of the button bar.
[0006] Preferably, the connecting member is slidably connected to the fixing rod and the pushing rod, wherein the fixing rod is fixed to the side of the base and the pushing rod extends to the top of the base.
[0007] Preferably, the adjustment mechanism includes a turntable, a pointer is provided on the outer edge of the turntable, and multiple labels are provided around the axis of the turntable outer edge, and the multiple labels are all attached to the side of the turntable, and a card and mechanism are provided at the bottom of the turntable.
[0008] Preferably, a threaded rod is rotatably connected inside the turntable, the threaded rod is fixedly connected to the turn plate, and a nut is spirally connected to the end of the threaded rod, and a first spring is sleeved on an outer edge surface of a section of the threaded rod placed between the turntable and the nut.
[0009] Preferably, a plurality of limiting posts are equidistantly arranged in a ring array around the axis of the turntable on one side of the turntable facing the turn plate, and the end of each limiting post is spherical.
[0010] Preferably, the card and mechanism include a frame, a limit plate is slidably connected to the frame, the top of the limit plate is slidably embedded in the turntable, a plurality of second springs are symmetrically arranged at the bottom end of the frame, the top ends of the plurality of second springs abut the bottom end of the limit plate, and two levers are symmetrically installed at the bottom end of the side surface of the limit plate, each of the levers passes through the frame and extends out of the side surface of the frame, and a groove is provided on the side surface of the frame for the lever to slide up and down.
[0011] Compared with the prior art, the beneficial effects of the present invention are as follows:
[0012] 1. The utility model sets a turntable, a pointer, a label, a threaded rod, a nut, a first spring, a limit column and a card mechanism. The turntable is pulled to extract the limit column from the turn plate, and then the turntable is rotated to adjust the pointer to point to the corresponding label. Then the turntable is released and the first spring pushes the turntable to embed the limit column into the turn plate, thereby achieving the purpose of adjusting the rotation angle of the turn plate. When clamping round rods of different sizes, the angle of the pull-down pressure rod can be limited, thereby achieving the effect of adjusting the force, and the clamping force can be adjusted for round rods of different sizes.
[0013] 2. The utility model sets a limit column, and the end of the limit column is set in a spherical shape, which can assist the limit column to be embedded in the turntable, has a guiding and positioning function, and is convenient for plugging and adjusting the clamping force. The second spring pushes the limit plate to be embedded in the turntable, which can limit the force when pressing the round rod. By rotating the turntable to adjust the direction of the pointer on the turntable, different clamping forces can be set. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic diagram of the main structure of the utility model;
[0015] Figure 2 This is a rear view structural diagram of the utility model;
[0016] Figure 3 For this utility model Figure 2 A magnified schematic diagram of the structure at center A;
[0017] Figure 4 For this utility model Figure 3 Exploded view of the middle adjustment mechanism.
[0018] The reference numerals and names in the figures are as follows:
[0019] 1. Base; 2. Pushing mechanism; 21. Connecting part; 22. Fixing rod; 23. Pushing rod; 24. Fixing screw; 25. Material stop; 3. Pressing mechanism; 31. Base; 32. Turntable; 33. Pressing rod; 4. Limiting mechanism; 41. First limiting wheel; 42. Second limiting wheel; 43. Third limiting wheel; 44. Card seat; 45. Connecting block; 5. Adjusting mechanism; 51. Turntable; 52. Pointer; 53. Label; 54. Threaded rod; 55. Nut; 56. First spring; 57. Limiting column; 6. Card and mechanism; 61. Frame; 62. Limiting plate; 63. Second spring; 64. Push rod. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0021] In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.
[0022] In the embodiments of the present invention, unless otherwise expressly specified or limited, the terms "installed," "connected," "connected," "fixed," etc. should be understood in a broad sense. For example, they may refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, indirect connection through an intermediate medium; internal communication between two components, or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the embodiments of the present invention based on specific circumstances.
[0023] See also Figures 1 to 4 , the utility model provides an embodiment: a round rod clamping fixture with adjustable force, including a base 1, a pushing mechanism 2 is installed on one side of the top of the base 1, a pressing mechanism 3 is installed on the other side, and a limiting mechanism 4 is installed in the middle of the side of the base 1, the pushing mechanism 2 includes a connecting member 21, a fixing rod 22 is installed inside one end of the connecting member 21, and a pushing rod 23 is installed at the other end. One end of the pushing rod 23 extends to the top of the base 1 and is provided with a material stop 25. The tops of both ends of the connecting member 21 are spirally connected with fixing screws 24, and the pressing mechanism 3 includes a base 31, and the side of the base 31 is rotatably connected with a rotating plate 32, a pressure rod 33 is provided at the end of the rotating plate 32, and an adjustment mechanism 5 is installed on the side of the rotating plate 32 away from the base 31. The limiting mechanism 4 includes a first limiting wheel 41 and a second limiting wheel 42. The first limiting wheel 41 and the second limiting wheel 42 are arranged on the side of the base 1 and are placed on both sides of the push rod 23, and a third limiting wheel 43 is provided on the top of the first limiting wheel 41 and the second limiting wheel 42. A card seat 44 is provided on the top of the third limiting wheel 43. A connecting block 45 is installed on the top of the card seat 44. The connecting block 45 is fixed to the side of the rotating plate 32. The connecting member 21 is slidably connected with the fixed rod 22 and the push rod 23. The fixing rod 22 is fixed to the side of the base 1, and the pushing rod 23 extends to the top of the base 1. The adjusting mechanism 5 includes a turntable 51. A pointer 52 is provided on the outer edge of the turntable 51, and a plurality of labels 53 are provided on the outer edge of the turntable 51 around its axis. The plurality of labels 53 are all attached to the side of the rotating plate 32. A card and mechanism 6 is provided at the bottom end of the turntable 51. A threaded rod 54 is rotatably connected to the turntable 51. The threaded rod 54 is fixedly connected to the rotating plate 32, and a nut 55 is spirally connected to the end of the threaded rod 54. A first spring 56 is sleeved on the outer edge of the threaded rod 54 between the turntable 51 and the nut 55. The turntable 51 is turned toward A plurality of limit posts 57 are equidistantly arranged in a circular array around the axis of the rotating plate 32 on one side, and the end of each limit post 57 is spherical. The card and mechanism 6 includes a frame 61, and a limit plate 62 is slidably connected inside the frame 61. The top of the limit plate 62 slides and is embedded in the turntable 51. A plurality of second springs 63 are symmetrically arranged at the bottom end of the frame 61, and the top ends of the plurality of second springs 63 abut against the bottom end of the limit plate 62. Two shift rods 64 are symmetrically installed at the bottom end of the side of the limit plate 62, and each shift rod 64 passes through the frame 61 and extends out of the side of the frame 61, and a groove for the shift rod 64 to slide up and down is opened on the side of the frame 61.
[0024] Working principle: During the operation of the present invention, the positions of multiple labels 53 are adjusted according to the size of the round rod. When processing the round rod, pull the turntable 51 to pull the limit column 57 out of the turn plate 32, and then rotate the turntable 51. According to the size of the round rod, adjust the pointer 52 to point to the corresponding label 53, and then release the turntable 51. The first spring 56 pushes the turntable 51 to embed the limit column 57 into the turn plate 32 to achieve the purpose of adjusting the rotation angle of the turn plate 32. Then place the round rod on the first limit wheel 41 and the second limit wheel 42, loosen the two fixing screws 24, push the push rod 23 to fit the material stop 25 to the side of the round rod, and then pull the pressure rod 33 downward to drive the connecting block 45 on the side of the turn plate 32 to descend. The first limit wheel 41, the second limit wheel 42 and the third limit wheel 43 complete the clamping of the round rod.
[0025] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.
Claims
1. A round rod clamping fixture with adjustable force, comprising a base (1), characterized in that: A pushing mechanism (2) is installed on one side of the top of the base (1), and a pressing mechanism (3) is installed on the other side, and a limiting mechanism (4) is installed in the middle of the side of the base (1). The pushing mechanism (2) includes a connecting member (21), a fixing rod (22) is installed inside one end of the connecting member (21), and a pushing rod (23) is installed on the other end. One end of the pushing rod (23) extends to the top of the base (1) and is provided with a material stop (25). The tops of both ends of the connecting member (21) are spirally connected with fixing screws (24). The pressing mechanism (3) includes a base (31), and a rotating plate (32) is rotatably connected to the side of the base (31). The rotating plate ( A pressure rod (33) is provided at the end of the rotating plate (32), and an adjusting mechanism (5) is installed on the side of the rotating plate (32) away from the base (31), and the limiting mechanism (4) includes a first limiting wheel (41) and a second limiting wheel (42), the first limiting wheel (41) and the second limiting wheel (42) are arranged on the side of the base (1) and placed on both sides of the pushing rod (23), and a third limiting wheel (43) is provided at the top of the first limiting wheel (41) and the second limiting wheel (42), and a clamping seat (44) is provided at the top of the third limiting wheel (43), and a connecting block (45) is installed at the top of the clamping seat (44), and the connecting block (45) is fixed to the side of the rotating plate (32).
2. The round rod clamping fixture with adjustable force according to claim 1, characterized in that: The connecting member (21) is slidably connected to the fixing rod (22) and the pushing rod (23), wherein the fixing rod (22) is fixed to the side of the base (1), and the pushing rod (23) extends to the top of the base (1).
3. The round rod clamping fixture with adjustable force according to claim 1, characterized in that: The adjustment mechanism (5) includes a turntable (51), a pointer (52) is provided on the outer edge of the turntable (51), and a plurality of labels (53) are provided on the outer edge of the turntable (51) around its axis. The plurality of labels (53) are all attached to the side of the rotating plate (32), and a card and mechanism (6) are provided at the bottom end of the turntable (51).
4. The round rod clamping fixture with adjustable force according to claim 3, characterized in that: A threaded rod (54) is rotatably connected to the rotating disk (51), the threaded rod (54) is fixedly connected to the rotating plate (32), and a nut (55) is spirally connected to the end of the threaded rod (54), and a first spring (56) is sleeved on an outer edge surface of a section of the threaded rod (54) placed between the rotating disk (51) and the nut (55).
5. The round rod clamping fixture with adjustable force according to claim 3, characterized in that: A plurality of limiting posts (57) are equidistantly arranged in a ring array around the axis of the rotating disc (51) on one side facing the rotating plate (32), and each of the limiting posts (57) has a spherical end.
6. The round rod clamping fixture with adjustable force according to claim 3, characterized in that: The card and mechanism (6) includes a frame (61), a limiting plate (62) is slidably connected in the frame (61), the top of the limiting plate (62) is slidably embedded in the turntable (51), a plurality of second springs (63) are symmetrically arranged at the bottom end of the frame (61), the top ends of the plurality of second springs (63) abut against the bottom end of the limiting plate (62), two shifting rods (64) are symmetrically installed at the bottom end of the side of the limiting plate (62), each of the shifting rods (64) passes through the frame (61) and extends out of the side of the frame (61), and a groove for the shifting rod (64) to slide up and down is opened on the side of the frame (61).