Reference circle positioning device for drilling machine

Abstract

The utility model discloses a reference circle positioning device for a drilling machine, which comprises a base device for supporting and clamping, a rotary disc device for indexing rotation is mounted on the base device, and a locking device for compressing and fixing parts is mounted on the rotary disc device. The base device comprises a bottom plate, a bearing seat is welded to the middle of the bottom plate, a first screw rod is installed on one side of the bottom plate, a first pressing plate is installed on the first screw rod, and a base plate is arranged below the first pressing plate; the rotating disc device comprises a rotating tray, a supporting shaft is arranged at the bottom of the rotating tray, and an inner threaded hole is formed in the middle of the supporting shaft. According to the reference circle positioning device for the drilling machine, through the arrangement of center pressing, the uniformity of fixed stress of parts is guaranteed; through the arrangement of the base plate, rollover and inclination during pressing are avoided, and the drilling precision is guaranteed; and through the arrangement of circumferential rotation, smooth indexing rotation is ensured.

Description

Technical Field

[0001] The utility model belongs to the field of drilling machine tools, in particular to a dividing circle positioning device for drilling machines. Background Art

[0002] Drilling refers to the operation of drilling holes in solid materials with a drill. Circular parts generally need to be drilled with equally spaced holes to facilitate subsequent bolt installation and ensure uniform force.

[0003] However, in the prior art, the index circle positioning device used in drilling machines has the following problems: 1. It is not a center-clamping setting, and the uniformity of the force applied to the parts cannot be guaranteed; 2. There is no pad setting, and it is easy to tip over and tilt when clamping, and the accuracy of drilling cannot be guaranteed; 3. It is not a circular rotation setting, and smooth indexing rotation cannot be guaranteed. Utility Model Content

[0004] The purpose of the utility model is to provide a pitch circle positioning device for a drilling machine to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A dividing circle positioning device for a drilling machine comprises a base device for supporting and clamping, a dial device for dividing and rotating is installed on the base device, and a locking device for clamping and fixing parts is installed on the dial device; the base device comprises a bottom plate, a bearing seat is welded in the middle of the bottom plate, a first screw is installed on one side of the bottom plate, a first pressure plate is installed on the first screw, and a pad is arranged under the first pressure plate; the dial device comprises a rotating tray, a support shaft is arranged at the bottom of the rotating tray, an internal threaded hole is arranged in the middle of the support shaft, and a plurality of dividing scale lines are evenly distributed on the circumference of the rotating tray; the locking device comprises a second pressure plate, a U-shaped groove is arranged in front of the second pressure plate, and a second screw is installed in the U-shaped groove.

[0007] Furthermore: the second pressing plate is in the shape of a rectangle.

[0008] It is convenient for flexible insertion and compaction.

[0009] Furthermore: the second pressing plate is in the shape of a disc.

[0010] Ensures uniform distribution of the pressing force.

[0011] Furthermore: the bottom plate and the rotating tray are both made of Q345 steel.

[0012] The strength of the bottom plate and the rotating tray is ensured.

[0013] Furthermore: the support shaft and the graduation marks are respectively welded to the rotating tray, and the support shaft is connected to the cylindrical roller bearing of the bearing seat.

[0014] Welding ensures that the support shaft and the graduation marks are firm and solid, and the cylindrical roller bearing connection ensures that the support shaft can rotate flexibly.

[0015] Furthermore: the pad and the bottom plate are riveted together.

[0016] The pad is guaranteed to be stable and reliable.

[0017] The working principle and use process of the utility model are as follows: the base plate is fixed on the drilling machine, the parts are placed on the rotating tray, the second pressure plate is covered on the parts, the second screw is screwed into the internal threaded hole, the parts are pressed and fixed on the rotating tray, and the parts are drilled. After completion, the rotating tray is rotated according to the graduation mark to drive the parts to rotate, the first pressure plate is pulled by the first screw, and the rotating tray is pressed and fixed in cooperation with the pad.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] 1. The center clamping setting ensures uniformity of the fixing force of the parts;

[0020] 2. The setting of the pad can avoid the side tilting during compaction and ensure the accuracy of drilling;

[0021] 3. The circular rotation setting ensures smooth indexing rotation. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0023] Figure 1 It is a structural schematic diagram of a pitch circle positioning device for a drilling machine according to the utility model;

[0024] Figure 2 It is a schematic diagram of a base device of a pitch circle positioning device for a drilling machine according to the utility model;

[0025] Figure 3 It is a schematic diagram of a rotary disk device of a pitch circle positioning device for a drilling machine described in the utility model;

[0026] Figure 4 This is a schematic diagram of a locking device of Example 1 of a pitch circle positioning device for a drilling machine described in the utility model;

[0027] Figure 5 It is a schematic diagram of a locking device of Example 2 of a pitch circle positioning device for a drilling machine described in the utility model.

[0028] In the accompanying drawings: 1. base device; 101. bottom plate; 102. bearing seat; 103. first screw; 104. first pressure plate; 105. pad; 2. turntable device; 201. rotating tray; 202. support shaft; 203. graduation mark; 204. internal threaded hole; 3. locking device; 301. second pressure plate; 302. U-shaped groove; 303. second screw. DETAILED DESCRIPTION

[0029] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying 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 utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0030] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0031] The utility model is further described below in conjunction with the accompanying drawings:

[0032] Example 1

[0033] like Figure 1-Figure 4As shown, a graduated circle positioning device for a drilling machine comprises a base device 1 for supporting and clamping, a dial device 2 for indexing rotation is installed on the base device 1, and a locking device 3 for clamping and fixing parts is installed on the dial device 2; the base device 1 comprises a bottom plate 101, a bearing seat 102 is welded in the middle of the bottom plate 101, a first screw 103 is installed on one side of the bottom plate 101, a first pressing plate 104 is installed on the first screw 103, and a pad 105 is arranged below the first pressing plate 104; the dial device 2 comprises a rotating tray 201, a support shaft 202 is arranged at the bottom of the rotating tray 201, an internal threaded hole 204 is arranged in the middle of the support shaft 202, and a plurality of graduated scale lines 203 are evenly distributed on the circumference of the rotating tray 201; the locking device 3 comprises a second pressing plate 301, a U-shaped groove 302 is arranged in front of the second pressing plate 301, and a second screw 303 is installed in the U-shaped groove 302.

[0034] Furthermore: the second pressure plate 301 is rectangular in shape, which is convenient for flexible insertion and pressing; the base plate 101 and the rotating tray 201 are both made of Q345 steel, which ensures the strength of the base plate 101 and the rotating tray 201; the support shaft 202 and the dividing line 203 are welded to the rotating tray 201 respectively, and the support shaft 202 and the bearing seat 102 are connected by a cylindrical roller bearing. The welding ensures that the support shaft 202 and the dividing line 203 are strong and firm, and the cylindrical roller bearing connection ensures that the support shaft 202 can rotate flexibly; the pad 105 and the base plate 101 are riveted together to ensure that the pad 105 is stable and reliable.

[0035] Example 2

[0036] like Figure 5 As shown, the difference between Example 2 and Example 1 is that the second pressing plate 301 is in the shape of a disc, which ensures the uniform distribution of the pressing force.

[0037] The working principle and use process of the utility model are as follows: fix the base plate 101 on the drilling machine, place the parts on the rotating tray 201, cover the parts with the second pressing plate 301, screw the second screw rod 303 into the internal threaded hole 204, press and fix the parts on the rotating tray 201, and drill the parts. After completion, rotate the rotating tray 201 according to the graduation mark 203 to drive the parts to rotate, pull the first pressing plate 104 through the first screw rod 103, and cooperate with the pad 105 to press and fix the rotating tray 201.

[0038] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A pitch circle positioning device for a drilling machine, Features: It comprises a base device (1) for supporting and clamping, a rotary disk device (2) for indexing rotation is installed on the base device (1), and a locking device (3) for pressing and fixing parts is installed on the rotary disk device (2); The base device (1) comprises a bottom plate (101), a bearing seat (102) is welded in the middle of the bottom plate (101), a first screw rod (103) is installed on one side of the bottom plate (101), a first pressing plate (104) is installed on the first screw rod (103), and a pad (105) is arranged below the first pressing plate (104); The rotating disk device (2) comprises a rotating tray (201), a supporting shaft (202) is arranged at the bottom of the rotating tray (201), an internal threaded hole (204) is arranged in the middle of the supporting shaft (202), and a plurality of graduated marks (203) are evenly distributed on the circumference of the rotating tray (201); The locking device (3) comprises a second pressing plate (301), a U-shaped groove (302) is arranged in front of the second pressing plate (301), and a second screw rod (303) is installed in the U-shaped groove (302).

2. A pitch circle positioning device for a drilling machine according to claim 1, Features: The second pressing plate (301) is in the shape of a rectangle.

3. A pitch circle positioning device for a drilling machine according to claim 1, Features: The second pressing plate (301) is in the shape of a disc.

4. A pitch circle positioning device for a drilling machine according to claim 1, Features: The bottom plate (101) and the rotating tray (201) are both made of Q345 steel.

5. A pitch circle positioning device for a drilling machine according to claim 1, Features: The support shaft (202) and the graduation mark (203) are respectively welded to the rotating tray (201), and the support shaft (202) and the bearing seat (102) are connected by a cylindrical roller bearing.

6. A pitch circle positioning device for a drilling machine according to claim 1, Features: The backing plate (105) and the bottom plate (101) are riveted together.

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