Hardware product clamp device with precise positioning function

Abstract

The hardware product clamp device comprises a lower clamping plate, an upper clamping plate and a base, a round guide column is arranged on the base, the lower surface of the upper clamping plate is fixedly connected with the round guide column, the lower clamping plate is connected with the round guide column in a sliding mode, and the lower clamping plate is connected with the round guide column in a sliding mode. The base is further provided with a driving device for driving the lower clamping plate to slide. The lower clamping plate is provided with a limiting protrusion, the limiting protrusion is provided with a positioning assembly, and the positioning assembly is used for limiting the position of a workpiece. The workpiece is placed on the lower clamping plate, the limiting protrusion is connected with the groove of the workpiece in a clamped mode, the workpiece is preliminarily fixed, the positioning assembly is arranged on the limiting protrusion, the position of the workpiece is further limited, and accurate positioning of the workpiece is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of fixture positioning, in particular to a hardware fixture device with precise positioning. Background Art

[0002] Hardware fixtures are tools used to fix and support workpieces and are widely used in manufacturing, assembly, and processing. The main function of a fixture is to ensure the stability and accuracy of the workpiece during processing or assembly, thereby improving production efficiency and product quality.

[0003] As disclosed in the patent document "CN218836866U", "A hardware fixture that can be quickly locked" has a technical solution of using two L-shaped splints 7. Under the rotation of two rotating shafts 6, one side of the two L-shaped splints 7 applies pressure to the top surface of the hardware product, and the insert plates 16 are respectively inserted into the corresponding sockets 14 to fix the workpiece.

[0004] In this patent, the contact surfaces between the two clamps and the workpiece are both flat. Long-term use of the clamps can easily cause the workpiece to change position due to force during processing. The present utility model proposes another hardware fixture device with precise positioning. Utility Model Content

[0005] The purpose of the present utility model is to provide a hardware fixture device with precise positioning to solve the problems raised in the above background technology.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] A hardware product clamp device for precise positioning includes a lower clamping plate, an upper clamping plate and a base, wherein a circular guide column is provided on the base, the lower surface of the upper clamping plate is fixedly connected to the circular guide column, the lower clamping plate is slidably connected to the circular guide column, and the base is also provided with a driving device for driving the lower clamping plate to slide; the lower clamping plate is provided with a limiting protrusion, and a positioning assembly is provided on the limiting protrusion, and the positioning assembly is used to limit the position of the workpiece.

[0008] The cam is secured to the rear of the slide and is adapted to engage the slide with a spring which is secured to the rear of the slide and is adapted to engage the slide with a spring which is secured to the rear of the slide and is adapted to engage the slide with a spring which is secured to the rear of the slide and is adapted to engage the slide with a spring which is secured to the rear of the slide.

[0009] A further technical solution is that the sliding cylinder is provided with a sliding column, and a sliding groove is provided in the workbench. The sliding groove is connected to the through groove, the length direction of the sliding groove is the same as the sliding direction of the sliding cylinder, and the sliding column is slidably connected to the groove wall of the sliding groove.

[0010] According to a further technical solution, the lower clamping plate is provided with a protrusion, and a silicone pad is provided on the protrusion, and the silicone pad is used to abut against the workpiece.

[0011] According to a further technical solution, the driving device includes a driving cylinder, which is vertically placed on the base, and a piston shaft of the driving cylinder is detachably connected to the lower clamping plate.

[0012] A further technical solution is that the lower clamping plate is provided with a shaft accommodating groove, the piston shaft of the driving cylinder is in contact with the bottom of the shaft accommodating groove, the limiting protrusion is provided with a connecting groove 1, the piston shaft of the driving cylinder is provided with a connecting groove 2, and the connecting groove 1 is connected to the connecting groove 2.

[0013] Beneficial effects of the utility model:

[0014] The utility model places the workpiece on the lower clamping plate, and the limiting protrusion is engaged with the groove of the workpiece to preliminarily fix the workpiece. The positioning assembly is provided on the limiting protrusion to further limit the position of the workpiece, thereby achieving precise positioning of the workpiece.

[0015] Other features and advantages of the present invention will be described in detail in the subsequent detailed description of the embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 :The three-dimensional structure of the workpiece targeted by this utility model Figure 1 .

[0017] Figure 2:The three-dimensional structure of the workpiece targeted by this utility model Figure 2 .

[0018] Figure 3 : A top view of the workpiece to which the present invention is directed.

[0019] Figure 4 : A three-dimensional structural diagram of the utility model and two workpieces.

[0020] Figure 5 : A three-dimensional structural diagram of the utility model and a workpiece.

[0021] Figure 6 : The cross section of the utility model Figure 1 .

[0022] Figure 7 : The utility model Figure 6 Magnified view of part A.

[0023] Figure 8 : The cross section of the utility model Figure 2 .

[0024] Figure numerals: 1, workpiece body; 2, groove; 3, limiting column; 4, limiting block; 5, lower clamping plate; 6, upper clamping plate; 7, base; 8, circular guide column; 9, sliding connecting cylinder; 10, C-shaped buckle; 11, sleeve; 12, limiting protrusion; 13, positioning assembly; 131, sliding cylinder 1; 132, sliding cylinder 2; 133, spring; 14, through groove; 15, fixing plate; 16, step; 17, sliding column; 19, protrusion; 20, silicone pad; 21, driving cylinder; 22, shaft-containing groove; 23, connecting groove 1; 24, connecting groove 2 DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0026] Please refer to Figure 1-8 ; The present application discloses a hardware product clamp device with precise positioning. To facilitate the description of the hardware product clamp device of the present application, the workpiece targeted by the present application is first described. The workpiece targeted by the present application includes a workpiece body 1, a groove 2 is provided in the workpiece body 1, and a limiting column 3 is provided at the bottom of the groove 2. The limiting column 3 is cylindrical, and a plurality of limiting blocks 4 are provided on the workpiece body 1.

[0027] The present application discloses a hardware fixture device for precise positioning, comprising a lower splint 5, an upper splint 6 and a base 7, a circular guide column 8 is provided on the base 7, the lower surface of the upper splint 6 is fixedly connected to the circular guide column 8, the lower splint 5 is slidably connected to the circular guide column 8, a sliding hole is provided on the lower splint 5, the hole wall of the sliding hole is provided with a sliding connection cylinder 9, the sliding connection cylinder 9 is sleeved on the circular guide column 8, and the sliding connection cylinder 9 is slidably connected to the circular guide column 8, the outer wall of the sliding connection cylinder 9 is provided with two circular grooves, the groove wall of the circular groove is provided with a C-shaped buckle 10, the two The circular grooves are respectively located on both sides of the lower splint 5, and the C-shaped buckle 10 is engaged with the circular groove. When the C-shaped buckle 10 is engaged with the circular groove, the two C-shaped buckle 10 can clamp the lower splint 5; it is worth noting that in this embodiment, the C-shaped buckle 10 is also provided with a sleeve 11, and the sleeve 11 is sleeved on the outside of the sliding connection tube 9 on the lower surface of the lower splint 5; the base 7 is also provided with a driving device for driving the lower splint 5 to slide; the lower splint 5 is provided with a limiting protrusion 12, and a positioning component 13 is provided on the limiting protrusion 12, and the positioning component 13 is used to limit the position of the workpiece.

[0028] Specifically, when assembling the device, the operator puts the sliding connection tube 9 on the circular guide column 8, and then puts the lower splint 5 and the sleeve 11 on the sliding connection tube 9, so that the upper surface of the sleeve 11 abuts against the lower surface of the lower splint 5, and then clamps the two C-shaped buckles 10 with the circular grooves. At this time, the C-shaped buckle 10 on the lower splint 5 abuts against the upper surface of the lower splint 5, and the other C-shaped buckle 10 abuts against the lower surface of the sleeve 11; when the operator replaces the lower splint 5 with inconsistent thickness, he only needs to replace the corresponding sleeve 11, which further meets the requirements of the device being applicable to multiple scenarios; when the operator is using When this device is in place, the workpiece is placed on the lower clamping plate 5, and the limiting protrusion 12 is engaged with the groove 2 of the workpiece to preliminarily fix the workpiece. The limiting protrusion 12 is provided with a positioning component 13 to further limit the position of the workpiece, thereby achieving precise positioning of the workpiece; it is worth noting that in this embodiment, a number of positioning grooves are provided on the upper clamping plate 6. When the driving device drives the lower clamping plate 5 to move upward along the circular guide column 8 until the lower workpiece contacts the upper clamping plate 6, the positioning groove of the upper clamping plate 6 is engaged with the limiting block 4 of the workpiece, thereby again achieving the limitation of the position of the workpiece, so that the workpiece is stably installed between the upper clamping plate 6 and the lower clamping plate 5.

[0029] In this embodiment, the positioning assembly 13 includes a sliding cylinder 131, a sliding cylinder 132 and a spring 133. The end area of ​​the sliding cylinder 131 is larger than the end area of ​​the sliding cylinder 132. The sliding cylinder 131 is sleeved on the outer surface of the sliding cylinder 132, and the inner wall of the sliding cylinder 131 is fixedly connected to the outer wall of the sliding cylinder 132; a through groove 14 is provided on the limiting protrusion 12, and the groove wall of the through groove 14 is slidingly connected to the sliding cylinder 131 and the sliding cylinder 132; a fixed plate 15 is provided on the lower surface of the lower splint 5, and the fixed plate 15 is provided with an avoidance hole, and the sliding cylinder 132 passes through the avoidance hole. The spring 133 is sleeved on the sliding cylinder 132, one end of the spring 133 is fixedly connected to the fixed plate 15, and the other end of the spring 133 is fixedly connected to the end face of the sliding cylinder 131.

[0030] Specifically, when the operator uses the device, he first places the workpiece on the limiting protrusion 12, the groove 2 of the workpiece is engaged with the limiting protrusion 12, and the limiting column 3 at the bottom of the groove 2 of the workpiece extends into the sliding cylinder 132. It is worth noting that a step 16 is provided on the inner wall of the end of the sliding cylinder 132 facing the limiting column 3. The limiting column 3 extends into the sliding cylinder 132 and is engaged with the step 16. The height of the sliding cylinder 132 is greater than the height of the limiting protrusion 12. At this time, the workpiece is facing There is a gap between one end of the lower clamping plate 5 and the upper clamping plate 5; the driving device drives the lower clamping plate 5 to move upward until the workpiece contacts the upper clamping plate 6. At this time, the lower clamping plate 5 continues to move upward, so that the lower clamping plate 5 applies upward pressure to the workpiece, and then the limiting column 3 applies downward pressure to the sliding cylinder 2 132, and then the spring 133 is compressed, and the sliding cylinder 2 132 moves downward relative to the groove wall of the through groove 14, and the workpiece toward one end of the lower clamping plate 5 abuts against the surface of the lower clamping plate 5, thereby achieving precise limitation of the workpiece.

[0031] In this embodiment, the sliding cylinder 131 is provided with a sliding column 17, and a sliding groove is provided in the workbench. The sliding groove is connected to the through groove 14. The length direction of the sliding groove is the same as the sliding direction of the sliding cylinder 131. The sliding column 17 is slidably connected to the groove wall of the sliding groove. The lower clamping plate 5 is provided with a protrusion 19. The number of the protrusions 19 is four. The four protrusions 19 are located at the four corners of the workpiece. Silicone pads 20 are provided on the four protrusions 19. The silicone pads 20 are used to abut against the workpiece. The silicone pads 20 are used to increase the friction between the workpiece and the lower clamping plate 5, and further improve the stability of the workpiece installed between the lower clamping plate 5 and the upper clamping plate 6.

[0032] In this embodiment, the driving device includes a driving cylinder 21, which is vertically placed on the base 7. The piston shaft of the driving cylinder 21 is detachably connected to the lower clamping plate 5. The lower clamping plate 5 is provided with a shaft accommodating groove 22. The piston shaft of the driving cylinder 21 abuts against the bottom of the shaft accommodating groove 22. The limiting protrusion 12 is provided with a connecting groove 1 23. The piston shaft of the driving cylinder 21 is provided with a connecting groove 2 24. The connecting groove 1 23 is connected to the connecting groove 2 24.

[0033] Specifically, the operator can realize the detachable connection between the driving cylinder 21 and the lower clamping plate 5 by threading the screws with the connecting groove 1 23 and the connecting groove 2 24 , which greatly facilitates the maintenance cost.

[0034] 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.

[0035] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementations that can be understood by those skilled in the art.

Claims

1. A hardware fixture device for precise positioning, characterized in that: The invention comprises a lower clamping plate (5), an upper clamping plate (6) and a base (7); a circular guide column (8) is provided on the base (7); the lower surface of the upper clamping plate (6) is fixedly connected to the circular guide column (8); the lower clamping plate (5) is slidably connected to the circular guide column (8); the base (7) is also provided with a driving device for driving the lower clamping plate (5) to slide; the lower clamping plate (5) is provided with a limiting protrusion (12); a positioning component (13) is provided on the limiting protrusion (12); the positioning component (13) is used to limit the position of the workpiece.

2. A hardware fixture device for precise positioning according to claim 1, characterized in that: The positioning assembly (13) includes a sliding cylinder (131), a sliding cylinder (132) and a spring (133). The end area of ​​the sliding cylinder (131) is larger than the end area of ​​the sliding cylinder (132). The sliding cylinder (131) is sleeved on the outer surface of the sliding cylinder (132), and the inner wall of the sliding cylinder (131) is fixedly connected to the outer wall of the sliding cylinder (132). The limiting protrusion (12) is provided with a through groove (14). The groove wall of the through groove (14) is in sliding contact with the sliding cylinder (131) and the sliding cylinder (132). The sliding cylinder 2 (132) is connected, and a step (16) is provided on the inner wall of one end away from the lower clamping plate (5), and the step (16) is used to limit the position of the workpiece. The lower surface of the lower clamping plate (5) is provided with a fixed plate (15), and the fixed plate (15) is provided with a position avoidance hole. The sliding cylinder 2 (132) passes through the position avoidance hole, and the spring (133) is sleeved on the sliding cylinder 2 (132). One end of the spring (133) is fixedly connected to the fixed plate (15), and the other end of the spring (133) is fixedly connected to the end face of the sliding cylinder 1 (131).

3. The precise positioning hardware fixture device according to claim 1, characterized in that: The lower clamping plate (5) is provided with a convex block (19), and a silicone pad (20) is provided on the convex block (19), and the silicone pad (20) is used to abut against a workpiece.

4. The hardware fixture device for precise positioning according to claim 1, characterized in that: The driving device comprises a driving cylinder (21), which is vertically placed on the base (7), and a piston shaft of the driving cylinder (21) is detachably connected to the lower clamping plate (5).

5. The precise positioning hardware fixture device according to claim 4, characterized in that: The lower clamping plate (5) is provided with a shaft-containing groove (22), the piston shaft of the driving cylinder (21) is in contact with the bottom of the shaft-containing groove (22), the limiting protrusion (12) is provided with a connecting groove 1 (23), the piston shaft of the driving cylinder (21) is provided with a connecting groove 2 (24), and the connecting groove 1 (23) is connected with the connecting groove 2 (24).

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