Adjustable clamp for metal structural part manufacturing
By designing two-point and three-point clamping components for adjustable fixtures, the problem of poor versatility of metal bar fixtures was solved, achieving versatility and ease of operation of the fixtures, and reducing production costs and processing errors.
Patent Information
- Application Number
- CN202520229902.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-13
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-02-13
AI Technical Summary
Existing metal bar clamps have poor versatility, requiring frequent clamp replacements, which leads to high production costs and complex operations, and is prone to positioning errors that affect processing quality.
An adjustable clamp is designed, comprising a clamp support, a limiting ring, a two-point clamping assembly, and a three-point clamping assembly. The clamp is driven by a geared motor to move the rotating rod, which in turn moves the central rotating rod and the ring sleeve, thereby achieving two-point and three-point clamping and adapting to metal bars of different diameters.
It improves the versatility of fixtures, reduces the number of fixture changes, lowers production costs and operational complexity, and ensures machining accuracy.
Smart Images
Figure CN223802049U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to metal structural member manufacturing technical field, concretely relates to a adjustable clamp for metal structural member manufacturing. BACKGROUND
[0002] In the processing of metal bars, such as turning, grinding, drilling and other processing technology, the metal bars need to be fixed firmly on the processing equipment by using the clamp to ensure the processing precision and operation safety. However, the existing metal bar clamp often has poor universality, and for metal bars of different diameters, different specifications of clamps are usually needed to be replaced, which not only increases the production cost and the degree of operation complexity, but also easily produces positioning error in the process of frequent replacement of the clamp, thereby affecting the processing quality, therefore, it is necessary to design a high-efficiency clamp which can adapt to metal bars of different diameters and the clamping force of which can be adjusted. SUMMARY
[0003] To solve the problems in the background art, the utility model provides a adjustable clamp for metal structural member manufacturing, which comprises a clamp support and a limiting ring, two-point clamping assemblies and three-point clamping assemblies arranged on the clamp support and the limiting ring, and a power assembly arranged on the clamp support.
[0004] The power assembly comprises a speed reducer motor fixed on the clamp support, a rotating rod fixedly arranged on the output shaft of the speed reducer motor, and an external thread arranged around the lower end of the rotating rod.
[0005] As the utility model discloses a adjustable clamp for metal structural member manufacturing, preferably, the two-point clamping assemblies comprise a central rotating rod fixed on the top of the rotating rod, and a pair of first guide grooves arranged on the limiting ring.
[0006] As the utility model discloses a adjustable clamp for metal structural member manufacturing, preferably, the first guide block chuck is clamped in the first guide groove, and the first guide block chuck slides in the first guide groove.
[0007] As the utility model discloses a adjustable clamp for metal structural member manufacturing, preferably, the left connecting rod and the right connecting rod are movably arranged at the two ends of the central rotating rod, and the left connecting rod and the right connecting rod are movably connected with the bottom ends of the two first guide block chucks.
[0008] As the utility model discloses a adjustable clamp for metal structural member manufacturing, preferably, the three-point clamping assemblies comprise three second guide grooves arranged in an annular array on the clamp support and the limiting ring, and a ring sleeve seat screwed into the external thread at the bottom end of the central rotating rod.
[0009] As the utility model discloses a metal structural member manufacturing adjustable clamp, preferably, the second guide groove is internally clamped with a guide pillar chuck, and the guide pillar chuck slides in the second guide groove.
[0010] As the utility model discloses a metal structural member manufacturing adjustable clamp, preferably, the ring sleeve seat movably is provided with three U-shaped seats movably connected with the guide pillar chucks.
[0011] Compared with the prior art, the utility model has the beneficial effects that:
[0012] Place the metal bar in the limiting ring, then start the speed reducer motor to drive the rotating rod to rotate, the rotation of the rotating rod drives the central rotating rod to rotate, the central rotating rod pulls the two first guide block chucks to move inward or outward through the left connecting rod and the right connecting rod, thereby clamping the metal bar at two points, at the same time, the external thread at the bottom end of the rotating rod drives the ring sleeve seat to move in the up-down direction, thereby pulling the three guide pillar chucks through the U-shaped seat to clamp the metal bar at three points, through the simultaneous limiting of the two-point clamping assembly and the three-point clamping assembly, the position of the movable clamping block can be conveniently adjusted, so that the metal bar of different diameters can be adapted, the versatility of the clamp is improved, the replacement frequency of the clamp is reduced, and the production cost and operation complexity are reduced. BRIEF DESCRIPTION OF DRAWINGS
[0013] The drawings are used to provide further understanding of the utility model and constitute a part of the specification, are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation to the utility model.
[0014] Figure 1 It is the structural schematic diagram of the utility model;
[0015] Figure 2 It is the bottom view structural schematic diagram of the utility model;
[0016] Figure 3 It is the partial structural schematic diagram of the utility model;
[0017] Figure 4 It is the sectional view structural schematic diagram of the utility model;
[0018] In the drawing:
[0019] 1, clamp support;
[0020] 2, limiting ring;
[0021] 3, two-point clamping assembly;31, central rotating rod;32, first guide groove;33, first guide block chuck;34, left connecting rod;35, right connecting rod;
[0022] 4, three-point clamping assembly; 41, second guide groove; 42, ring seat; 43, guide column chuck; 44, U-shaped seat;
[0023] 5, power assembly; 51, speed reducer motor; 52, rotating rod; 53, external thread. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0025] Embodiment 1
[0026] As Figures 1-4 shown;
[0027] A kind of adjustable fixture for metal structural member manufacturing, including fixture support 1 and limit ring 2.
[0028] In the embodiment: to solve the technical problems existing in this prior art, as disclosed in the above background art "the existing metal bar clamp often exists the problem of poor universality, for different diameter metal bar, usually need to replace different specifications of clamp, this not only increases production cost and the degree of complexity of operation, and in the process of frequently replacing clamp also prone to positioning error, affect processing quality", in combination with actual use, this problem is obviously a real problem and is relatively difficult to solve, in view of this, to solve this technical problem, on this basis plus provides a kind of adjustable fixture for metal structural member manufacturing.
[0029] As Figures 1-4 shown in the figure;
[0030] In combination with the above content, it also includes two-point clamping assembly 3 and three-point clamping assembly 4 arranged on fixture support 1 and limit ring 2, and power assembly 5 arranged on fixture support 1;
[0031] The power assembly 5 includes a speed reducer motor 51 fixed on the fixture support 1, an external thread 53 is arranged on the lower end of the rotating rod 52, and the external thread 53 is arranged on the lower end of the rotating rod 52.
[0032] In an optional embodiment, the two-point clamping assembly 3 includes a center rotating rod 31 fixed on the top of the rotating rod 52, and a pair of first guide grooves 32 are opened on the limit ring 2.
[0033] In an optional embodiment, the first guide slot 32 is internally clamped with a first guide block chuck 33, and the first guide block chuck 33 slides inside the first guide slot 32.
[0034] In an optional embodiment, the center rotating rod 31 is movably provided with a left connecting rod 34 and a right connecting rod 35 at two ends respectively, and the left connecting rod 34 and the right connecting rod 35 are movably connected with bottom ends of the two first guide block chucks 33 respectively.
[0035] In an optional embodiment, the three-point clamping assembly 4 comprises three second guide slots 41 which are annularly arranged on the clamp support 1 and the limiting ring 2, and a ring sleeve base 42 which is screwed into the outer thread 53 at the bottom end of the center rotating rod 31.
[0036] In an optional embodiment, the second guide slot 41 is internally clamped with a guide column chuck 43, and the guide column chuck 43 slides inside the second guide slot 41.
[0037] In an optional embodiment, the ring sleeve base 42 is movably provided with three U-shaped seats 44 which are movably connected with the guide column chucks 43.
[0038] Working principle of the utility model:
[0039] The metal bar is placed inside the limiting ring 2, and then the deceleration motor 51 is started to drive the rotating rod 52 to rotate, the rotating rod 52 drives the center rotating rod 31 to rotate, the center rotating rod 31 pulls the two first guide block chucks 33 to move inwards or outwards simultaneously through the left connecting rod 34 and the right connecting rod 35, and then two-point clamping is carried out on the metal bar, at the same time, the outer thread 53 at the bottom end of the rotating rod 52 drives the ring sleeve base 42 to move in the up-down direction, and then the three guide column chucks 43 are pulled to carry out three-point clamping on the metal bar through the U-shaped seats 44, and through the simultaneous limiting of the two-point clamping assembly and the three-point clamping assembly, the position of the movable clamping block can be conveniently adjusted, so that the metal bars with different diameters can be adapted, the universality of the clamp is improved, the replacement frequency of the clamp is reduced, and the production cost and the operation complexity are reduced.
[0040] Finally, it should be noted that: the above is only the preferred embodiment of the utility model, and is not used for limiting the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced equivalently. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.
Claims
1. An adjustable fixture for manufacturing of metal structures, comprising a fixture support (1) and a limiting ring (2), characterized in that: Two-point clamping assembly (3) and three-point clamping assembly (4) arranged on the clamp support (1) and the limiting ring (2), and a power assembly (5) arranged on the clamp support (1); The power assembly (5) comprises a speed reducer motor (51) fixed on the clamp support (1), and an outer screw thread (53) is arranged on the lower end of the rotating rod (52).
2. The adjustable fixture for manufacturing a metal structural member according to claim 1, wherein: The two-point clamping assembly (3) comprises a central rotating rod (31) fixed on the top of the rotating rod (52), and a pair of first guide grooves (32) are arranged on the limiting ring (2).
3. The adjustable fixture for manufacturing a metal structural member according to claim 2, wherein: The first guide block chuck (33) is slidably arranged in the first guide groove (32).
4. The adjustable fixture for manufacturing a metal structural member according to claim 3, wherein: The left connecting rod (34) and the right connecting rod (35) are movably arranged at the two ends of the central rotating rod (31), and the left connecting rod (34) and the right connecting rod (35) are movably connected with the bottom ends of the two first guide block chucks (33).
5. The adjustable fixture of claim 1, wherein: The three-point clamping assembly (4) comprises three second guide grooves (41) arranged in an annular array on the clamp support (1) and the limiting ring (2), and a ring sleeve base (42) screwed into the outer screw thread (53) at the bottom end of the central rotating rod (31).
6. The adjustable fixture for manufacturing a metal structural member according to claim 5, wherein: The guide column chuck (43) is slidably arranged in the second guide groove (41).
7. The adjustable fixture of claim 5, wherein: The U-shaped seat (44) movably arranged on the ring sleeve base (42) is movably connected with the guide column chuck (43).