Valve seat drilling clamp

Abstract

The utility model discloses a valve seat drilling clamp which comprises a bottom plate, a three-jaw manual chuck is fixedly installed at the top of the bottom plate, clamping jaws are arranged on the three-jaw manual chuck, a positioning column is fixedly installed at the top of the bottom plate, limiting columns are fixedly installed at the two ends of the top of the bottom plate respectively, and the positioning column is connected with a guide plate through a plane thrust bearing. A plurality of first guide sleeves are arranged in one end of the guide plate, and a plurality of second guide sleeves are arranged in one end of the guide plate. When drilling is carried out on the valve seat, the guide plate is rotated, one end of the guide plate is fixed to one limiting column through the plug pin, the first guide sleeve arranged on the guide plate corresponds to the hole position of one hole diameter of the positioning valve seat, or the second guide sleeve corresponds to the hole position of the other hole diameter of the positioning valve seat. And positioning can be conveniently carried out according to hole sites with different hole diameters needing to be punched in the valve seat, confusion during drilling by workers is avoided, and use is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of valve seat drilling, in particular to a valve seat drilling fixture. Background Technique

[0002] The solenoid valve base is generally used to facilitate the connection of air pipes. When processing the solenoid valve seat, drilling is required on the solenoid valve seat, and air holes with different apertures will be drilled according to requirements.

[0003] For example, the Chinese utility model patent with the authorization announcement number CN213317801U discloses a proportional valve seat hole opening device with a cooling and temperature reduction function, including a workbench and a dust-proof cover. A debris collection box is fixed at the bottom of the workbench. A moving component is slidably arranged back and forth at one end of the top of the workbench. An electric cylinder is fixedly arranged on the top of the moving component. A connecting block is fixedly arranged at the top end of the electric cylinder. A support rod is arranged on one side of the connecting block. The end of the support rod away from the connecting block is fixedly connected with a fixed block. An installation block is fixedly arranged at the bottom of the fixed block. Lifting mechanisms are arranged on both outer sides of the installation block. Both lifting mechanisms are fixedly arranged on the inner wall of the dust-proof cover. A motor is fixedly arranged at the bottom of the installation block. A drill bit is fixedly arranged at the output end of the motor. A suction fan is arranged on one side of the dust-proof cover. A conveying pipe is arranged at one end of the suction fan, and the other side of the conveying pipe is connected with the debris collection box. By arranging a dust-proof cover and a suction fan on the workbench, the debris generated by valve seat drilling can be absorbed and conveyed to the debris collection box through the conveying pipe, reducing environmental pollution and avoiding harm to employees caused by debris.

[0004] However, in the process of using the existing valve seat drilling fixture, because the valve seat needs to drill holes with different apertures, it is easy to be confused during drilling, and it is not convenient to position the valve seat hole positions.

[0005] Therefore, we propose a valve seat drilling fixture to solve the above problems. Content of the Utility Model

[0006] The purpose of the utility model is to provide a valve seat drilling fixture to solve the problems raised in the above background technique.

[0007] To achieve the above purpose, the utility model provides the following technical solution: A valve seat drilling fixture, including a bottom plate, a three-jaw manual chuck is fixedly installed on the top of the bottom plate, a chuck is arranged on the three-jaw manual chuck, a positioning post is fixedly installed on the top of the bottom plate, limiting posts are fixedly installed at both ends of the top of the bottom plate respectively, the positioning post is connected with a guide plate through a planar thrust bearing, a plurality of guide sleeves one are arranged inside one end of the guide plate, a plurality of guide sleeves two are arranged inside one end of the guide plate, pin guide sleeves one are arranged at both ends of the guide plate respectively, pin guide sleeves two are arranged at the top of the limiting posts, and pins are connected inside the pin guide sleeves one and the pin guide sleeves two.

[0008] Preferably, gaskets are respectively provided between the guide plate and the positioning column, and between the planar thrust bearing and the guide plate.

[0009] Preferably, a first limiting block is fixedly installed on one side of the guide plate, and a second limiting block is fixedly installed on one side of the guide plate.

[0010] Preferably, a first fixing block is fixedly installed on the top surface of the bottom plate, and a first limiting stop is fixedly installed on one side of the top of the first fixing block.

[0011] Preferably, a second fixing block is fixedly installed on the top surface of the bottom plate, and a second limiting stop is fixedly installed on one side of the top of the second fixing block.

[0012] Preferably, the first limiting block contacts the first limiting stop, and the second limiting block contacts the second limiting stop.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] By providing a positioning column, a guide plate, a limiting column, a first pin guide sleeve, a second pin guide sleeve, a pin, a planar thrust bearing, a first guide sleeve, a second guide sleeve, etc., when drilling a valve seat, the guide plate can be rotated and one end of the guide plate can be fixed on one of the limiting columns through the pin, so that the first guide sleeve provided on the guide plate corresponds to the hole position of one of the hole diameters of the valve seat or the second guide sleeve corresponds to the hole position of the other hole diameter on the valve seat, facilitating positioning according to the hole positions of different hole diameters that need to be drilled on the valve seat, avoiding confusion when the staff drills holes, and being convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic structural diagram of the present utility model;

[0016] Figure 2 is a schematic structural diagram of another perspective of the present utility model;

[0017] Figure 3 is a schematic diagram of the split structure of the present utility model.

[0018] In the figure: 1, bottom plate; 2, three-jaw manual chuck; 3, jaw; 4, positioning column; 5, guide plate; 6, planar thrust bearing; 7, gasket; 8, first guide sleeve; 9, second guide sleeve; 10, limiting column; 11, first pin guide sleeve; 12, pin; 13, first limiting block; 14, second limiting block; 15, first fixing block; 16, first limiting stop; 17, second fixing block; 18, second limiting stop; 19, second pin guide sleeve. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0020] Embodiment 1:

[0021] Please refer to Figures 1-3 , which is the first embodiment of the present invention. The present invention provides a technical solution: a valve seat drilling fixture, including a bottom plate 1. A three-jaw manual chuck 2 is fixedly installed on the top of the bottom plate 1. Claws 3 are provided on the three-jaw manual chuck 2. A positioning post 4 is fixedly installed on the top of the bottom plate 1. Limiting posts 10 are fixedly installed at both ends of the top of the bottom plate 1. The positioning post 4 is connected to the guide plate 5 through a planar thrust bearing 6. The guide plate 5 can rotate. A plurality of first guide sleeves 8 are provided inside one end of the guide plate 5. A plurality of second guide sleeves 9 are provided inside one end of the guide plate 5. Plug guide sleeves 11 are provided at both ends of the guide plate 5. Plug guide sleeves 19 are provided at the tops of the limiting posts 10. A plug 12 is connected inside the plug guide sleeves 11 and the plug guide sleeves 19. The plug 12 can be disassembled and assembled to facilitate fixing the guide plate 5 on one of the limiting posts 10.

[0022] Embodiment 2:

[0023] Please refer to Figures 1-3 , which is the second embodiment of the present invention. This embodiment is based on the previous embodiment. Gaskets 7 are respectively provided between the guide plate 5 and the positioning post 4 and between the planar thrust bearing 6 and the guide plate 5.

[0024] A first limiting block 13 is fixedly installed on one side of the guide plate 5. A second limiting block 14 is fixedly installed on one side of the guide plate 5. By the first limiting block 13 contacting the first limiting stop 16 or the second limiting block 14 contacting the second limiting stop 18, the guide plate 5 is limited and positioned.

[0025] A first fixing block 15 is fixedly installed on the top surface of the bottom plate 1. A first limiting stop 16 is fixedly installed on one side of the top of the first fixing block 15.

[0026] A second fixing block 17 is fixedly installed on the top surface of the bottom plate 1. A second limiting stop 18 is fixedly installed on one side of the top of the second fixing block 17.

[0027] The first limiting block 13 contacts the first limiting stop 16, and the second limiting block 14 contacts the second limiting stop 18, which is convenient for limiting and positioning the guide plate 5 when rotating the guide plate 5, so that the first guide sleeve 8 corresponds to the hole position of one of the hole diameters on the valve seat or the second guide sleeve 9 corresponds to the hole position of the other hole diameter on the valve seat.

[0028] Embodiment 3:

[0029] Please refer to Figures 1-3 , which is the third embodiment of the present utility model. Based on the above two embodiments, when the present utility model is actually used, the valve seat to be drilled is placed on the three-jaw manual chuck 2, and the valve seat is clamped and fixed by the jaws 3. By rotating the guide plate 5, the first limit block 13 provided on one side thereof contacts the first limit stop 16, so that the first pin guide sleeve 11 provided at one end of the guide plate 5 corresponds to the second pin guide sleeve 19 provided at the top of one of the limit posts 10, and is connected and fixed by the pin 12. At the same time, the first guide sleeve 8 provided at one end of the guide plate 5 corresponds to the hole position of one of the hole diameters on the valve seat. The staff can perform the drilling work of the valve seat according to the positioning of the first guide sleeve 8. After the drilling is completed, the pin 12 can be removed, and the guide plate 5 is rotated so that the second limit block 14 provided on the other side thereof contacts the second limit stop 18, so that the first pin guide sleeve 11 provided at the other end of the guide plate 5 corresponds to the second pin guide sleeve 19 provided at the top of the other limit post 10, and is connected and fixed by the pin 12. At the same time, the second guide sleeve 9 provided on the guide plate 5 corresponds to the hole position of the other hole diameter to be drilled on the valve seat. The staff can punch the valve seat according to the positioning of the second guide sleeve 9, which is convenient for positioning according to the hole positions of different hole diameters to be drilled on the valve seat, avoiding confusion when the staff drills, and is convenient to use.

[0030] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A valve seat drilling fixture, comprising a bottom plate (1), characterized in that: A three-jaw manual chuck (2) is fixedly installed at the top of the bottom plate (1). A chuck jaw (3) is provided on the three-jaw manual chuck (2). A positioning post (4) is fixedly installed at the top of the bottom plate (1). Limit posts (10) are fixedly installed at both ends of the top of the bottom plate (1). The positioning post (4) is connected to the guide plate (5) through a flat thrust bearing (6). A plurality of first guide sleeves (8) are provided inside one end of the guide plate (5). A plurality of second guide sleeves (9) are provided inside one end of the guide plate (5). Plug guide sleeves one (11) are provided at both ends of the guide plate (5). Plug guide sleeves two (19) are provided at the tops of the limit posts (10). A plug (12) is connected inside the plug guide sleeves one (11) and the plug guide sleeves two (19).

2. The valve seat drilling fixture according to claim 1, characterized in that: Gaskets (7) are respectively provided between the guide plate (5) and the positioning post (4) and between the flat thrust bearing (6) and the guide plate (5).

3. The valve seat drilling fixture according to claim 1, characterized in that: A first limit block (13) is fixedly installed on one side of the guide plate (5). A second limit block (14) is fixedly installed on one side of the guide plate (5).

4. The valve seat drilling fixture according to claim 3, wherein: A first fixing block (15) is fixedly installed on the top surface of the bottom plate (1). A first limit stop block (16) is fixedly installed on one side of the top of the first fixing block (15).

5. The valve seat drilling fixture according to claim 4, wherein: A second fixing block (17) is fixedly installed on the top surface of the bottom plate (1). A second limit stop block (18) is fixedly installed on one side of the top of the second fixing block (17).

6. The valve seat drilling fixture according to claim 5, characterized in that: The first limit block (13) contacts the first limit stop block (16), and the second limit block (14) contacts the second limit stop block (18).

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