Workpiece clamping fixture
By combining the design of the fixture base and the guide bar, the problems of narrow applicability and low positioning efficiency of existing workpiece clamping fixtures are solved, and rapid and accurate positioning and efficient fixing of different workpieces are achieved.
Patent Information
- Application Number
- CN202520257001.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-18
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-02-18
AI Technical Summary
Existing workpiece clamping fixtures have a narrow range of applications and poor positioning efficiency, making it difficult to adapt to the positioning of workpieces of different sizes and shapes, resulting in positioning deviations and time-consuming and labor-intensive debugging.
The structure includes a fixture base, a first plate, a second plate, and guide bars. Through the vertical penetration of the guide bars and the adjustment of the fixing components, the workpiece can be quickly and accurately positioned and fixed.
It enables efficient fixing of workpieces of different sizes and materials, improves positioning accuracy and operational efficiency, and reduces debugging time.
Smart Images
Figure CN223671084U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to workpiece fixture technical field, specifically, relate to a workpiece clamping fixture. BACKGROUND
[0002] Clamp, also known as fixture, is used for fixing processing object in the mechanical manufacturing process, ensures that workpiece keeps correct position in the machining process, thereby facilitating the correction inspection work etc.
[0003] In prior art, a pair of movable clamping plates or clamping blocks are usually used to clamp workpiece, such as the patent with publication number CN214922594U, which discloses a workpiece clamping fixture, which places the workpiece in the V-shaped groove on the clamping body base, moves the guide column to make the magnet positioning surface close to the workpiece positioning surface, and uses the attractive force generated by the magnet to quickly position the magnet positioning surface and the workpiece positioning surface when the magnet approaches the workpiece; however, although the magnet is used to position the workpiece, not all workpieces can be attracted by the magnet, in addition, the same size magnet cannot meet the accurate positioning of workpieces of different sizes and shapes, and even may cause deviation in workpiece positioning, which needs to be repeatedly adjusted, time-consuming and laborious.
[0004] Based on the above description, there is an urgent need for a workpiece clamping fixture that is convenient for efficient positioning and has wide application range. UTILITY MODEL CONTENT
[0005] The utility model aims at providing a workpiece clamping fixture, which aims to solve the technical problems of the existing workpiece clamping fixture, narrow application range and poor positioning efficiency.
[0006] The embodiment of the utility model realizes the following technical scheme:
[0007] A workpiece clamping fixture, comprising a fixture base, further comprising a first plate body, a second plate body and a guide strip; the second plate body is vertically arranged at one end of the fixture base; one end of the first plate body is provided with a sliding port; the guide strip vertically penetrates the sliding port; the other end of the first plate body is provided with a fixing assembly; the fixing assembly penetrates the first plate body and is connected with the fixture base.
[0008] As a preferred, the guide strip is any one of swallow-tailed edge strip, trapezoidal edge strip and arc-shaped strip.
[0009] As a preferred, the fixing assembly comprises a threaded rod, a first positioning ring and a second positioning ring; the first positioning ring and the second positioning ring are oppositely arranged at both ends of the first plate body; the threaded rod penetrates the first positioning ring, the first plate body and the second positioning ring in sequence.
[0010] As preferred, the threaded rod extends through one end of the first plate body to the clamp base; the clamp base is spaced apart with a plurality of first positioning holes for the threaded rod to be embedded.
[0011] As preferred, the first plate body is spaced apart with a plurality of second positioning holes opposite to the first positioning holes.
[0012] As preferred, the clamp base is provided with a plurality of first limiting holes away from one end of the second plate body; the first plate body is provided with a plurality of second limiting holes corresponding to the first limiting holes; the first limiting holes and the second limiting holes are for a positioning rod to pass through in sequence; the positioning rod is arranged opposite to the guide strip.
[0013] As preferred, the second plate body is provided with a pair of L-shaped support plates opposite to one end of the positioning rod; the L-shaped support plates are spaced apart with a plurality of threaded holes.
[0014] The technical scheme of the embodiment of the utility model has at least the following advantages and beneficial effects:
[0015] The workpiece clamping fixture provided by the utility model can directly clamp workpieces of different sizes and different materials between the clamp base and the first plate body for efficient fixing, wherein one end of the first plate body is provided with a sliding opening, so that the guide strip is vertically penetrated in the sliding opening, and one end of the first plate body can accurately slide along the guide strip for quick fixing of the workpiece, and further, the first plate body after adjustment is fixed by the fixing assembly, so that the position of the first plate body clamped can be conveniently kept according to the size of the workpiece. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a structural schematic view of the utility model;
[0017] Figure 2 It is a main sectional view of the utility model.
[0018] Fig. 1 is a clamp base, 11 is a first positioning hole, 2 is a first plate body, 21 is a second positioning hole, 3 is a second plate body, 4 is a guide strip, 5 is a fixing assembly, 51 is a threaded rod, 52 is a first positioning ring, 53 is a second positioning ring, 6 is a positioning rod, 7 is an L-shaped support plate. DETAILED DESCRIPTION
[0019] The specific embodiment is described below in combination with the drawings.
[0020] Embodiment 1
[0021] Please refer to Figures 1 to 2 The utility model provides the following technical scheme: a workpiece clamping fixture suitable for quick clamping of workpieces.
[0022] Specifically, asFigure 1 and Figure 2 As shown in
[0023] In the embodiment, workpieces of different sizes and different materials can be directly clamped between the clamp base 1 and the first plate body 2 for efficient fixing. One end of the first plate body 2 is provided with a sliding port, so that the first plate body 2 can be accurately oriented and slid along the guide bar 4, thereby quickly fixing the workpiece. Further, the first plate body 2 after adjustment is fixed by the fixing assembly 5, so as to facilitate keeping the position of the first plate body 2 for pressing and clamping according to the size of the workpiece.
[0024] Specifically, as shown in Figure 1 and Figure 2 The guide bar 4 is any one of a dovetail-shaped strip, a trapezoidal strip, or an arc-shaped block.
[0025] In the embodiment, the dovetail-shaped strip is a block with a dovetail-shaped cross section or longitudinal section; the trapezoidal strip is a block with an isosceles trapezoidal cross section or longitudinal section; and the shape of the sliding port of the first plate body 2 matches and corresponds to the shape of the guide bar 4, thereby sufficiently ensuring the directional sliding of the first plate body 2.
[0026] Specifically, as shown in Figure 1 and Figure 2 The fixing assembly 5 includes a threaded rod 51, a first positioning ring 52, and a second positioning ring 53. The first positioning ring 52 and the second positioning ring 53 are oppositely arranged at the two ends of the first plate body 2. The threaded rod 51 passes through the first positioning ring 52, the first plate body 2, and the second positioning ring 53 in sequence.
[0027] In the embodiment, when clamping the workpiece, the workpiece is first placed on the top of the clamp base 1, and then the threaded rod 51 is installed on the clamp base 1 close to the workpiece. Subsequently, the first positioning ring 52 is sleeved on the threaded rod 51, and the sliding port end of the first plate body 1 is sleeved into the guide bar 4 and slid along the guide bar 4 to the top of the first positioning ring 52. Then, the first positioning ring 52 is finely adjusted according to the position of the workpiece, and finally the second positioning ring 53 is sleeved on the threaded rod 51 to fix the first plate body 2, so that the workpiece is kept in a proper position.
[0028] Specifically, as shown in Figure 1 and Figure 2As shown in the drawings, the threaded rod 51 extends through one end of the first plate body 2 to the clamp base 1; the clamp base is provided with a plurality of first positioning holes 11 for embedding the threaded rod 51. The first plate body 2 is provided with a plurality of second positioning holes 21 opposite to the first positioning holes 11.
[0029] In this embodiment, in addition to being fixed by the first positioning ring 52 and the second positioning ring 53, the threaded rod 51 is also positioned by being embedded in the first positioning hole 11, which fully guarantees the stability of the threaded rod 51; by arranging a plurality of first positioning holes 11 and a plurality of second positioning holes 21, the workpiece can be further limited in size according to the size of the workpiece.
[0030] Specifically, as shown in the drawings, Figure 1 and Figure 2 The clamp base 1 is provided with a plurality of first limiting holes at the end away from the second plate body 3; the first plate body 2 is provided with a plurality of second limiting holes corresponding to the first limiting holes; the first limiting hole and the second limiting hole are for the positioning rod 6 to pass through in sequence; the positioning rod 6 is arranged opposite to the guide strip 4.
[0031] In this embodiment, the positioning rod 6 plays a role in further accurately positioning the guide during the sliding adjustment of the first plate body 2; the top of the plurality of positioning rods 6 can be further provided with a connecting block for one-time installation or disassembly.
[0032] Specifically, as shown in the drawings, Figure 1 and Figure 2 Figure 1 Figure 2 The second plate body 3 is provided with a pair of L-shaped support plates 7 opposite to the end away from the positioning rod 6; the L-shaped support plates 7 are provided with a plurality of threaded holes.
[0033] In this embodiment, one end of the clamp base 1 is provided with a threaded hole to facilitate installation on other machine bases or workbenches; further, by providing a pair of L-shaped support plates 7 as legs, the direction of the entire clamp can be adjusted according to the work requirements of calibration and the like, and the clamp can be installed on the workbench through the plurality of threaded holes on the L-shaped support plates 7.
Claims
1. A workpiece clamping fixture comprising a fixture base (1) characterised in that: Also include the first plate body (2), the second plate body (3) and the guide bar (4);The second plate body (3) is vertically arranged on one end of the clamp base (1);One end of the first plate body (2) is provided with a sliding port;The guide bar (4) vertically penetrates the sliding port;The other end of the first plate body (2) is provided with a fixing assembly (5);The fixing assembly (5) penetrates the first plate body (2) and is connected with the clamp base (1).
2. The workpiece clamping fixture of claim 1, wherein: The guide bar (4) is any one of swallow tail type rib, trapezoidal rib and arc-shaped strip.
3. The workpiece clamping fixture of claim 1, wherein: The fixing assembly (5) includes a threaded rod (51), a first positioning ring (52) and a second positioning ring (53);The first positioning ring (52) and the second positioning ring (53) are oppositely arranged on both ends of the first plate body (2);The threaded rod (51) penetrates the first positioning ring (52), the first plate body (2) and the second positioning ring (53) in sequence.
4. The workpiece clamping fixture of claim 3, wherein: One end of the threaded rod (51) penetrating the first plate body (2) extends to the clamp base (1);The clamp base (1) is provided with a plurality of first positioning holes (11) for embedding the threaded rod (51).
5. The workpiece clamping fixture of claim 4, wherein: The first plate body (2) is provided with a plurality of second positioning holes (21) opposite to the first positioning holes (11).
6. The workpiece clamping fixture of any one of claims 1 to 5, wherein: One end of the clamp base (1) away from the second plate body (3) is provided with a plurality of first limiting holes;The first plate body (2) is provided with a plurality of second limiting holes corresponding to the first limiting holes;The first limiting hole and the second limiting hole are for a positioning rod (6) to penetrate in sequence;The positioning rod (6) is arranged opposite to the guide bar (4).
7. The workpiece clamping fixture of claim 6, wherein: One end of the second plate body (3) away from the positioning rod (6) is provided with a pair of L-shaped support plates (7) opposite to each other;The L-shaped support plates (7) are provided with a plurality of threaded holes at intervals.