Air outlet drilling clamp for fresh air machine

Abstract

The utility model discloses a clamp for drilling an air outlet of a fresh air machine, and belongs to the technical field of fan shell tapping machining. A threaded sleeve is fixed to the outer wall of the base plate, a connecting rod is in threaded connection with the interior of the threaded sleeve, a pull block is fixed to one end of the connecting rod, a clamping plate abutting against the pull block is inserted into the outer wall of the connecting rod, a fan shell is clamped between the clamping plate and the base plate, and a positioning mechanism is arranged on the outer wall of the base plate. The positioning mechanism comprises a plurality of positioning pipes aligned to the pre-punching position of the fan shell and assists personnel in precise punching, a convex disc is fixed to one end of the connecting rod, an auxiliary rod is fixed to the outer wall of the convex disc, a concave head is arranged on the outer wall of the auxiliary rod in a sliding mode, and a grip is fixed to the outer wall of the concave head. And the positioning pipe is matched after fixing, so that the machining process is more stable and accurate, and the yield is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of fan casing tapping, in particular to a fixture for drilling an air outlet of a new fan. Background Art

[0002] During the manufacturing of new fans, the drive motor, fan blades and other components are installed in the fan casing for assembly. During the fan casing processing, holes and threads are also punched and tapped in the fan casing and its main air outlet according to the needs of the equipment to be used, so as to meet the fixed installation and connection requirements of the equipment.

[0003] However, when drilling and tapping the air outlet of these fan casings, personnel only manually control the drilling, which makes it difficult to ensure the stability of the fan casing, reduces the accuracy of drilling and tapping, and affects the product yield.

[0004] Based on this, the utility model designs a new air blower outlet drilling fixture to solve the above problems. Summary of the Invention

[0005] The purpose of the utility model is to provide a fixture for drilling an air outlet of a fresh air blower to solve the above technical problems.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fixture for drilling air outlets of fresh air fans, comprising: a seat plate; a threaded sleeve is fixed on the outer wall of the seat plate, a connecting rod is connected to the inner thread of the threaded sleeve, a pull block is fixed on one end of the connecting rod, a splint that is inserted into the outer wall of the connecting rod and is against the pull block, a fan casing is clamped between the splint and the seat plate, a positioning mechanism is provided on the outer wall of the seat plate, the positioning mechanism includes a plurality of positioning tubes aligned with the pre-punched positions of the fan casing, and auxiliary personnel punch holes accurately, a convex disc is fixed on one end of the connecting rod, an auxiliary rod is fixed on the outer wall of the convex disc, a recessed head is slid on the outer wall of the auxiliary rod, and a handle is fixed on the outer wall of the recessed head.

[0007] Preferably, the positioning mechanism further comprises an arm fixed to the outer wall of the base plate, one end of the arm extends above the air outlet of the fan casing, and the plurality of positioning tubes are sequentially fixed to one end of the arm above the air outlet of the fan casing.

[0008] Preferably, one end of the auxiliary rod is provided with a thread, and the threaded end of the auxiliary rod is threadedly connected to a limiting nut.

[0009] Preferably, a hanging plate is fixed to the outer wall of the seat plate, and one end of the hanging plate extends and is inserted into the opening of the fan casing.

[0010] Preferably, the outer wall of the fan casing is provided with a plurality of original holes.

[0011] Preferably, the outer wall of the seat plate is provided with a plurality of auxiliary holes corresponding to the original holes, and the original holes are connected with limiting core rods through the auxiliary holes.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] The fan casing is pre-positioned by inserting the corresponding limiting core rod through its original hole and the auxiliary hole of the base plate to avoid position deviation before fixing and affecting the processing;

[0014] The part of the fan housing where the air outlet needs to be drilled and tapped is facing the multiple positioning tubes of the arm. By rotating the connecting rod with the handle, the clamping plate and the base plate can cooperate to clamp and fix the fan housing, increasing the stability during drilling and tapping.

[0015] Personnel can use multiple positioning tubes to perform drilling and tapping toward the punching position of the fan casing outlet. The process is more stable and accurate, and the yield rate is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0017] Figure 1 This is a schematic diagram of the overall structure of this embodiment;

[0018] Figure 2 This is a schematic diagram highlighting the detachment of the fan casing in this embodiment;

[0019] Figure 3 This is a schematic diagram showing the side structure of the seat plate in this embodiment;

[0020] Figure 4 This is a schematic diagram highlighting the original screw holes of the fan housing for this embodiment;

[0021] Figure 5 This is a schematic diagram showing the removal of the recessed head in this embodiment.

[0022] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0023] 1. Base plate; 2. Threaded sleeve; 3. Connecting rod; 4. Pull block; 5. Clamp; 6. Boss; 7. Auxiliary rod; 8. Limiting nut; 9. Socket head; 10. Hanging plate; 11. Limiting core rod; 12. Arm; 13. Positioning tube; 14. Fan housing; 15. Original hole; 16. Auxiliary hole; 17. Handle. DETAILED DESCRIPTION

[0024] The following will be combined with the accompanying 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.

[0025] See also Figure 1-5 The utility model provides a technical solution: a fixture for drilling air outlets of fresh air blowers, comprising: a base plate 1; a threaded sleeve 2 is fixed to the outer wall of the base plate 1, a connecting rod 3 is connected to the inner thread of the threaded sleeve 2, a pull block 4 is fixed to one end of the connecting rod 3, a clamping plate 5 is inserted into the outer wall of the connecting rod 3 and abuts against the pull block 4, a fan casing 14 is clamped between the clamping plate 5 and the base plate 1, a positioning mechanism is provided on the outer wall of the base plate 1, the positioning mechanism includes a plurality of positioning tubes 13 aligned with the pre-punched positions of the fan casing 14, and an auxiliary personnel accurately punches holes, a convex plate 6 is fixed to one end of the connecting rod 3, an auxiliary rod 7 is fixed to the outer wall of the convex plate 6, a concave head 9 is slidably provided on the outer wall of the auxiliary rod 7, and a handle 17 is fixed to the outer wall of the concave head 9;

[0026] The threaded sleeve 2 is threadedly connected to the connecting rod 3 through its threaded hole, so that it can translate and drive the pull block 4 to move when it rotates. After the connecting rod 3 is plugged into the splint 5, the pull block 4 can be pressed against the splint 5 when moving, so that the splint 5 and the seat plate 1 cooperate to clamp the fan casing 14. The multiple positioning tubes 13 in the positioning mechanism are vertically aligned with the pre-punched positions of the air outlets of the fixed fan casing 14, which is convenient for personnel to perform drilling and tapping operations more accurately through the positioning tubes 13 after the fan casing 14 is fixed. The cam 6 assists personnel in rotating the connecting rod 3, and the auxiliary rod 7 is used for the plug-in and sliding installation of the recessed head 9. The recessed part of the recessed head 9 and the protruding part of the cam 6 can be plugged into each other, which is convenient for personnel to rotate the connecting rod 3.

[0027] Preferably, the positioning mechanism further comprises an arm 12 fixed to the outer wall of the base plate 1, one end of the arm 12 extends above the air outlet of the fan housing 14, and a plurality of positioning tubes 13 are sequentially fixed to one end of the arm 12 above the air outlet of the fan housing 14;

[0028] The seat plate 1 is provided with a plurality of positioning tubes 13 via the arm 12 so that the plurality of required positioning tubes 13 can be vertically extended toward the punching positions of the air outlet of the fan casing 14 for use in auxiliary installation operations.

[0029] Preferably, one end of the auxiliary rod 7 is provided with a thread, and the threaded end of the auxiliary rod 7 is threadedly connected to a limiting nut 8;

[0030] After the socket head 9 is installed on the auxiliary rod 7, the threaded end thereof can be threadedly connected to the limiting nut 8 to prevent the socket head 9 from falling out.

[0031] Preferably, a hanging plate 10 is fixed to the outer wall of the base plate 1, and one end of the hanging plate 10 extends and is inserted into the opening of the fan housing 14;

[0032] The base plate 1 is pre-placed with the fan casing 14 to be fixed through the hanging plate 10. The fan casing 14 is provided with a through opening as standard, and can be hung with the hanging plate 10 through the through opening for the next step of fixing operation.

[0033] Preferably, the outer wall of the fan housing 14 is provided with a plurality of original holes 15;

[0034] The original holes 15 of the fan housing 14 are pre-opened for installing other components.

[0035] Preferably, the outer wall of the seat plate 1 is provided with a plurality of auxiliary holes 16 corresponding to the original holes 15, and the original holes 15 are inserted with the limiting core rods 11 through the auxiliary holes 16;

[0036] The seat plate 1 cooperates with the original hole 15 of the fan housing 14 through its auxiliary hole 16 to insert the limiting core rod 11, so that the fan housing 14 is positioned and fixed before being fixed to avoid position deviation and affect drilling.

[0037] A specific application of this embodiment is as follows: the fan housing 14 is hung on the top of the hanging plate 10 close to the base plate 1, and the corresponding limiting core rods 11 are inserted between the multiple original holes 15 of the fan housing 14 and the auxiliary holes 16 of the base plate 1, and the fan housing 14 is pre-positioned so that the part of the air outlet of the fan housing 14 that needs to be punched and tapped is facing the multiple positioning tubes 13 of the arm 12, and then the concave head 9 is slid to make it fit with the convex plate 6, and the concave head 9 and the convex plate 6 can be driven to rotate by the handle 17. And insert the splint 5 at one end of the pulling block 4 of the connecting rod 3, so that the splint 5 is located between the pulling head and the fan casing 14. When the convex disc 6 rotates, the connecting rod 3 rotates through the cooperation of the thread on its outer wall and the threaded sleeve 2, and the pulling block 4 moves toward the fan casing 14, so that the splint 5 and the seat plate 1 cooperate to clamp and fix the fan casing 14. Then, the personnel can pass through the pipelines of multiple positioning tubes 13, pass the drill bit through the hole position of the air outlet of the fan casing 14, and perform tapping, and the process is more stable and accurate.

[0038] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "two ends", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply 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 a limitation on the present invention.

[0039] In the present invention, unless otherwise clearly stipulated and limited, the terms "install", "set", "connect", "fix", "screw" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the present invention according to the specific circumstances.

[0040] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. The new fan outlet fixture is characterized by: include: A seat plate (1); a threaded sleeve (2) is fixed on the outer wall of the seat plate (1); the threaded sleeve (2) is internally threadedly connected to a connecting rod (3); a pull block (4) is fixed on one end of the connecting rod (3); a clamping plate (5) is inserted on the outer wall of the connecting rod (3) and is against the pull block (4); a fan casing (14) is clamped between the clamping plate (5) and the seat plate (1); a positioning mechanism is provided on the outer wall of the seat plate (1); the positioning mechanism includes a plurality of positioning tubes (13) aligned with pre-punched positions of the fan casing (14), and an auxiliary person punches holes accurately; a convex disc (6) is fixed on one end of the connecting rod (3); an auxiliary rod (7) is fixed on the outer wall of the convex disc (6); a recessed head (9) is slidably provided on the outer wall of the auxiliary rod (7); a handle (17) is fixed on the outer wall of the recessed head (9).

2. The fixture for drilling the air outlet of a fresh air blower according to claim 1, characterized in that: The positioning mechanism further includes an arm (12) fixed to the outer wall of the base plate (1), one end of the arm (12) extending above the air outlet of the fan casing (14), and a plurality of positioning tubes (13) are sequentially fixed to one end of the arm (12) above the air outlet of the fan casing (14).

3. The fixture for drilling the air outlet of a fresh air blower according to claim 1, characterized in that: One end of the auxiliary rod (7) is provided with a thread, and the threaded end of the auxiliary rod (7) is threadedly connected to a limiting nut (8).

4. The fixture for drilling the air outlet of a fresh air blower according to claim 1, characterized in that: A hanging plate (10) is fixed to the outer wall of the seat plate (1), and one end of the hanging plate (10) extends and is inserted into the opening of the fan casing (14).

5. The fixture for drilling the air outlet of a fresh air blower according to claim 1, characterized in that: The outer wall of the fan housing (14) is provided with a plurality of original holes (15).

6. The fixture for drilling the air outlet of a fresh air blower according to claim 5, characterized in that: The outer wall of the seat plate (1) is provided with a plurality of auxiliary holes (16) corresponding to the original holes (15), and the original holes (15) are connected to the limiting core rods (11) through the auxiliary holes (16).

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