Positioning device for drilling outer protective screen of fan

Abstract

The utility model relates to a positioning device for drilling of an outer protective screen of a fan, which comprises a rectangular annular fixing seat, positioning clamping seats are respectively arranged on the rear side, the left side and the right side of the fixing seat, each positioning clamping seat comprises a strip-shaped base plate, a side-standing baffle is formed on each base plate, and a plurality of kidney-shaped chip removal groove holes are formed in the base plate between each baffle and the fixing seat; a horizontal adjusting groove is formed in the baffle, a T-shaped sliding block is inserted in the adjusting groove, the sliding block comprises a rectangular fixed block body and a horizontal positioning plate, the positioning plate extends out of the baffle to form a positioning hole, and the positioning hole is located over the chip removal groove hole; a pressing plate with an L-shaped section is pressed against the fixed block body on the sliding block, a plurality of vertical screws are inserted into the pressing plate, the lower ends of the screws are screwed and fixed on the base plate, and the lower end surface of the fixed block body is pressed against the base plate. The positioning device can be used as a clamp for bearing the outer frame of the mesh enclosure; and the mounting hole position of the outer frame of the mesh enclosure can be quickly positioned based on the positioning hole in the device.

Description

Technical field:

[0001] The utility model relates to the technical field of a protective mesh cover processing device, in particular to a positioning device for drilling holes in a protective mesh cover outside a fan. Background technology:

[0002] The fan protection mesh cover is usually installed at the inlet or outlet of the fan, mainly to provide safety protection for the fan. At present, the protective net is generally fixed on the fan by bolt connection. The protective net is generally composed of an internal protective net and a mesh cover frame fixed on the outer circle of the protective net. The current mesh cover frames are mostly rectangular and circular. Each side frame of the rectangular mesh cover frame is provided with mounting holes, and the mounting holes are usually achieved by drilling. When processing the mounting holes, it is necessary to mark the positions of the mounting holes, and each mounting hole on the mesh cover frame needs to be marked and positioned, and each mesh cover frame generally has multiple mounting holes, resulting in low processing efficiency of the mounting holes; furthermore, the mounting holes on the processed mesh cover frame are used to locate the mounting holes of the mesh cover frame to be processed, but in the specific operation, the two mesh cover frames need to be clamped and fixed together; the current method is to overlap the two mesh cover frames, and then use multiple pressing blocks to clamp and fix the overlapped mesh cover frames. Although this method is much more convenient than marking and positioning, it is also troublesome to repeatedly disassemble the pressing blocks. Utility model content:

[0003] The purpose of the utility model is to address the deficiencies of the prior art and to provide a positioning device for drilling holes in the outer protective mesh cover of a fan. The positioning device can be used as a clamp for supporting the outer frame of the mesh cover. The mounting holes of the outer frame of the mesh cover can be quickly located based on the positioning holes on the device. Moreover, the outer frame of the mesh cover can be conveniently installed and removed from the device.

[0004] A positioning device for drilling holes in a fan outer protective mesh cover comprises a rectangular annular fixing seat, and positioning clamp seats are respectively arranged on the rear side and the left and right sides of the fixing seat, and the characteristics are as follows: the positioning clamp seat comprises a strip-shaped pad, a side baffle is formed on the pad, and a plurality of waist-shaped chip removal slots are formed on the pad between the baffle and the fixing seat; a horizontal adjustment slot is formed on the baffle, and a T-shaped slider is inserted in the adjustment slot, and the slider comprises a rectangular fixed block and a horizontal positioning plate, and the positioning plate extends out of the baffle and is formed with a positioning hole, and the positioning hole is located directly above the chip removal slot; the fixed block on the slider is pressed against a pressure plate with an L-shaped cross section, and a plurality of vertical screws are inserted on the pressure plate, and the lower ends of the screws are screwed and fixed on the pad, and the lower end surface of the fixed block is pressed against the pad;

[0005] Two screws perpendicular to the adjacent side walls of the fixing seat are formed on the side wall of the pad close to the fixing seat, and the screws are inserted on the fixing seat; the two screws of the positioning clamp seat are respectively threaded with an outer adjusting nut and an inner adjusting nut, and the inner adjusting nut and the outer adjusting nut respectively rest against the inner and outer side walls of the fixing seat.

[0006] Preferably, a plurality of ear seats are formed in the middle of the inner side wall of the fixing seat, mounting holes are formed on the ear seats, the upper end surfaces of the ear seats are located below the upper end surface of the fixing seat, and the lower end surface of the fixing seat is flush with the lower end surface of the ear seats.

[0007] Preferably, the lower end surface of the pad on the positioning clamp seat is located on the upper side of the lower end surface of the fixed seat, the chip removal slot holes are linearly distributed along the side of the pad, and the chip removal slot holes penetrate the lower end surface of the pad.

[0008] Preferably, a stud with a D-shaped cross section is formed in the middle of the front side wall of the fixing seat, and a clamping nut is screwed onto the stud;

[0009] Preferably, the plane on the outer wall of the stud is flush with the upper end surface of the fixing seat, the upper end surface of the fixing seat is flush with the upper end surface of the pad, and a gap is provided between the upper end surface of the pad and the lower end surface of the positioning plate on the slider.

[0010] Preferably, the pressure plate comprises a horizontal plate and a vertical plate, the horizontal plate of the pressure plate is pressed against the upper end surface of the fixed block on the slider, and a gap is provided between the lower end surface of the vertical plate on the pressure plate and the upper end surface of the pad.

[0011] Preferably, the diameter of the positioning hole on the slider is equal to the width of the chip removal slot on the pad.

[0012] The beneficial effects of the utility model are:

[0013] The positioning device can be used as a clamp for carrying the mesh cover outer frame; the installation hole position of the mesh cover outer frame can be quickly located based on the positioning holes on the device; and the mesh cover outer frame is convenient to install and disassemble on the device. Description of the drawings:

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0015] Figure 2 It is a structural schematic diagram of the utility model in a front view;

[0016] Figure 3 It is a top view schematic diagram of the utility model equipped with a mesh cover outer frame.

[0017] In the figure: 1, fixing seat; 11, ear seat; 2, positioning clamp seat; 21, pad; 211, chip removal slot hole; 212, baffle; 213, adjustment slot; 22, screw; 23, slider; 231, positioning hole; 24, pressure plate; 25, screw; 26, outer adjustment nut; 27, inner adjustment nut; 3, stud; 4, clamping nut; 5, mesh cover outer frame. Specific implementation method:

[0018] Example: See Figures 1 to 3 As shown, the positioning device for drilling holes in the outer protective mesh cover of the fan comprises a rectangular ring-shaped fixing seat 1, and a positioning clamp seat 2 is respectively provided on the rear side and the left and right sides of the fixing seat 1. The positioning clamp seat 2 comprises a strip-shaped pad 21, and a side baffle 212 is formed on the pad 21. A plurality of waist-shaped chip removal slots 211 are formed on the pad 21 between the baffle 212 and the fixing seat 1; the baffle 212 is formed with a horizontal adjustment slot 213, and the adjustment slot 21 A T-shaped slider 23 is inserted therein, the slider 23 comprises a rectangular fixed block and a horizontal positioning plate, the positioning plate extends out of the baffle plate 212 and is formed with a positioning hole 231, the positioning hole 231 is located just above the chip removal slot hole 211; the fixed block on the slider 23 is pressed against a pressure plate 24 with an L-shaped cross section, a plurality of vertical screws 25 are inserted on the pressure plate 24, the lower ends of the screws 25 are screwed and fixed on the backing plate 21, and the lower end surface of the fixed block is pressed against the backing plate 21;

[0019] Two screws 22 perpendicular to the adjacent side walls of the fixing seat 1 are formed on the side wall of the pad 21 close to the fixing seat 1, and the screws 22 are inserted on the fixing seat 1; the two screws 22 of the positioning clamp seat 2 are respectively threaded with an outer adjusting nut 26 and an inner adjusting nut 27, and the inner adjusting nut 27 and the outer adjusting nut 26 are respectively against the inner and outer side walls of the fixing seat 1.

[0020] A plurality of ear seats 11 are formed in the middle of the inner wall of the fixing seat 1, and mounting holes are formed on the ear seats 11. The upper end surface of the ear seat 11 is located at the lower side of the upper end surface of the fixing seat 1, and the lower end surface of the fixing seat 1 is flush with the lower end surface of the ear seat 11. Bolts are installed on the ear seats 11 to realize loading on the processing platform of the drilling equipment, and the head of the bolt needs to be lower than the upper end surface of the fixing seat 1.

[0021] The lower end surface of the pad 21 on the positioning clamp seat 2 is located on the upper side of the lower end surface of the fixed seat 1, and the chip groove holes 211 are linearly distributed along the side of the pad 21. The chip groove holes 211 penetrate the lower end surface of the pad 21. When drilling the outer frame based on the positioning hole 231, the drill chips generated can be discharged from the chip groove holes 211.

[0022] A stud 3 with a D-shaped cross section is formed in the middle of the front side wall of the fixing seat 1, and a clamping nut 4 is screwed on the stud 3; Figure 3As shown, a mesh cover outer frame 5 is inserted between the backing plate 21 and the slider 23 , and the clamping nut 4 abuts against the front end surface of the mesh cover outer frame 5 .

[0023] The plane on the outer wall of the stud 3 is flush with the upper end surface of the fixing seat 1, the upper end surface of the fixing seat 1 is flush with the upper end surface of the pad 21, and a gap is provided between the upper end surface of the pad 21 and the lower end surface of the positioning plate on the slider 23.

[0024] The pressure plate 24 includes a horizontal plate and a vertical plate. The horizontal plate of the pressure plate 24 is pressed against the upper end surface of the fixed block on the slider 23. A gap is provided between the lower end surface of the vertical plate on the pressure plate 24 and the upper end surface of the pad 21. The gap enables the pressure plate 24 to press and position the slider 23. By loosening the screw 25, the position of the slider 23 can be adjusted, and then tightening the screw 25 can position and adjust the position of the slider 23.

[0025] The diameter of the positioning hole 231 on the slider 23 is equal to the width of the chip removal slot 211 on the backing plate 21 .

[0026] Working principle: The utility model is a positioning device for drilling holes in the outer protective mesh cover of a fan. The structure of the positioning device is as follows: Figure 1 By adjusting the outer adjusting nut 26 and the inner adjusting nut 27, the position of the pad 21 on the positioning clamp 2 can be adjusted, and the position of the positioning hole 231 can also be adjusted, so that it can be suitable for drilling holes of protective mesh covers of various specifications and sizes;

[0027] In specific use, a mesh cover frame 5 with a mounting hole already processed is set on the device, and the position of the positioning hole 231 is located based on the mounting hole on the mesh cover frame 5. Then the mesh cover frame 5 is pulled out, and a new mesh cover frame 5 is inserted into the device. The clamping is achieved by tightening the clamping nut 4, and the mounting hole can be processed. When disassembling, the clamping nut 4 is removed and the mesh cover frame 5 is pulled out.

[0028] The embodiments are used to illustrate the present invention, but not to limit the present invention. Any person skilled in the art may modify the embodiments without violating the spirit and scope of the present invention, and therefore the scope of protection of the present invention shall be as set forth in the claims of the present invention.

Claims

1. A positioning device for drilling holes in a fan outer protective screen, comprising a rectangular ring-shaped fixing seat (1), wherein the fixing seat (1) is provided with positioning clamp seats (2) at the rear side and the left and right sides thereof, and wherein: The positioning clamp seat (2) comprises a strip-shaped pad (21), on which a side baffle (212) is formed, and on which a plurality of waist-shaped chip removal slots (211) are formed between the baffle (212) and the fixed seat (1); the baffle (212) is formed with a horizontal adjustment slot (213), and a T-shaped slider (23) is inserted in the adjustment slot (213), and the slider (23) comprises a rectangular fixed block body and a horizontal positioning plate, the positioning plate extending out of the baffle plate (212) is formed with a positioning hole (231), and the positioning hole (231) is located directly above the chip removal slot hole (211); the fixed block on the sliding block (23) is pressed against a pressure plate (24) with an L-shaped cross section, and a plurality of vertical screws (25) are inserted into the pressure plate (24), the lower ends of the screws (25) are screwed and fixed on the backing plate (21), and the lower end surface of the fixed block is pressed against the backing plate (21); Two screws (22) are formed on the side wall of the backing plate (21) close to the fixing seat (1) and are perpendicular to the adjacent side wall of the fixing seat (1). The screws (22) are inserted into the fixing seat (1); the two screws (22) of the positioning clamp seat (2) are respectively threaded with an outer adjustment nut (26) and an inner adjustment nut (27), and the inner adjustment nut (27) and the outer adjustment nut (26) are respectively pressed against the inner and outer side walls of the fixing seat (1).

2. The positioning device for drilling holes in the fan outer protective mesh cover according to claim 1 is characterized in that: A plurality of ear seats (11) are formed in the middle of the inner side wall of the fixing seat (1), and mounting holes are formed on the ear seats (11). The upper end surface of the ear seats (11) is located below the upper end surface of the fixing seat (1), and the lower end surface of the fixing seat (1) is flush with the lower end surface of the ear seats (11).

3. The positioning device for drilling holes in the fan outer protective mesh cover according to claim 2 is characterized in that: The lower end surface of the upper pad (21) of the positioning clamp seat (2) is located on the upper side of the lower end surface of the fixed seat (1), and the chip removal slot holes (211) are linearly distributed along the side of the pad (21), and the chip removal slot holes (211) penetrate the lower end surface of the pad (21).

4. The positioning device for drilling holes in the fan outer protective mesh cover according to claim 1, characterized in that: A stud (3) with a D-shaped cross section is formed in the middle of the front side wall of the fixing seat (1), and a clamping nut (4) is screwed onto the stud (3).

5. The positioning device for drilling holes in the fan outer protective mesh cover according to claim 4, characterized in that: The plane on the outer wall of the stud (3) is flush with the upper end surface of the fixing seat (1), the upper end surface of the fixing seat (1) is flush with the upper end surface of the pad (21), and a gap is provided between the upper end surface of the pad (21) and the lower end surface of the positioning plate on the slider (23).

6. The positioning device for drilling holes in the fan outer protective mesh cover according to claim 1, characterized in that: The pressing plate (24) comprises a horizontal plate and a vertical plate. The horizontal plate of the pressing plate (24) is pressed against the upper end surface of the fixed block on the slider (23). A gap is provided between the lower end surface of the vertical plate on the pressing plate (24) and the upper end surface of the pad (21).

7. The positioning device for drilling holes in the fan outer protective mesh cover according to claim 1, characterized in that: The hole diameter of the positioning hole (231) on the slide block (23) is equal to the slot width of the chip removal slot hole (211) on the backing plate (21).

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