CN206662344U - For boring the fixture of handle set screwed hole - Google Patents

Abstract

The utility model discloses a fixture for threaded holes of drill handle seats, which belongs to the technical field of mechanical processing and comprises a cylinder, a drill template, a bushing, a pressing block, a drill sleeve, a clamp body, a positioning pin, a supporting nail and a positioning pin 2. The clamp body is composed of a horizontal plate and a vertical plate with an included angle of 90°. The positioning pin 1 and the positioning pin 2 are vertically arranged on the left plane of the vertical plate of the clamp body; at least three supporting nails are centered around the axis of the positioning pin 1 Equiangularly arranged on the left plane of the vertical plate of the clamp body; the drill template is fixed on the upper plane of the vertical plate of the clamp body, and the drill bushing whose axis is perpendicular to the horizontal plate of the clamp body is installed on the drill template; the bushing sleeve is connected between the drill sleeve and the drill On the outer circle of the matching template; the cylinder is installed on the horizontal plate of the clamp body through bolts, the axis of the cylinder piston rod and the axis of the positioning pin 1 are on the same straight line; the pressure block is arranged on the top of the cylinder piston rod. The fixture can realize the complete positioning of the handle seat, and adopts the cylinder to clamp, the structure is simple and reliable, and the replacement of parts is convenient.

Description

Jig for drilling threaded holes in handle holders

technical field

The utility model relates to a clamp, in particular to a clamp for threaded holes of drill handle seats, belonging to the technical field of mechanical processing.

Background technique

Part shown in Figure 1 is a kind of handle base, and the effect of this handle base is just equivalent to a connecting rod. The movement of the external handle of the lathe is transmitted to the interior of the lathe through the handle seat of the lathe to realize the manipulation of the machine tool. The handle is connected to this part, and the internal parts of the machine tool are connected to the handle seat, that is, the function of the lathe handle seat is to realize the transmission of motion from the outside to the inside. Drilling machine refers to a machine tool that mainly uses a drill bit to process holes on a workpiece. Usually, the rotation of the drill bit is the main movement, and the axial movement of the drill bit is the feed movement. It can drill through holes, blind holes, replace special tools, expand, countersink, ream or Perform machining such as tapping. Therefore, the threaded hole on the handle seat shown in Figure 1 will be processed with a drill press. The drilling machine needs to use the process device to locate and clamp the workpiece. Due to the irregular shape of the part, it is difficult to fix the workpiece. The existing drilling machine process device adopts screw clamping, and it takes more time to replace the workpiece. Time-sharing Laborious, so special process equipment designed to process this part is required.

Contents of the invention

In order to solve the above problems, the utility model provides a fixture for drilling the threaded hole of the handle seat. The fixture uses the two holes on one side of the handle seat as the positioning reference, which can realize the complete positioning of the handle seat. It is clamped by an air cylinder and has a simple structure. Reliable, easy to replace parts, high processing efficiency. The device has a simple structure and is easy to install.

In order to achieve the above object, the utility model adopts the following technical solutions: a fixture for the threaded hole of the drill handle seat, including a cylinder, a drill template, a bush, a briquetting block, a drill sleeve, a clamp body, a positioning pin, a support nail and Locating pin two, the clamp body is composed of a horizontal plate and a vertical plate with an included angle of 90°, and the positioning pin one and the two positioning pins are vertically arranged on the left plane of the vertical plate of the clamp body, and the positioning pin one and the positioning pin Pin two is matched with positioning hole one and positioning hole two respectively, and the distance between the two axes of positioning pin one and positioning pin two is equal to the distance between the two axes of positioning hole one and positioning hole two; at least three of the The supporting nails are set on the left plane of the vertical plate of the clamp body at an equal angle around the axis of the positioning pin, and the supporting nails are in contact with the right end face of the positioning hole of the handle seat blank; the drilling template is positioned by the conical pin and the screw. and be fixed on the upper plane of the vertical plate of the clamp body, and the drill bushing whose axis is perpendicular to the horizontal plate of the clamp body is installed on the drill formwork through screw two; The cylinder described above is installed on the horizontal plate of the clamp body through bolts, and the axis of the piston rod of the cylinder is on the same line as the axis of the positioning pin 1; the pressure block is arranged on the top of the piston rod of the cylinder;

Further, the second positioning pin is a rhombic pin;

Further, there are two front and rear reinforcing rib plates at the angle between the right side of the vertical plate of the clamp body and the horizontal plate.

The utility model takes two holes on one side of the handle seat as the positioning reference, can realize the complete positioning of the handle seat, adopts the cylinder to clamp, has simple and reliable structure, is convenient to replace parts, and has high processing efficiency. The device has a simple structure and is easy to install.

Description of drawings

Fig. 1 is a part diagram of the handle seat.

Fig. 2 is the front view of the utility model.

Fig. 3 is A-A sectional view of the utility model.

Fig. 4 is a top view of the utility model.

In the figure: 1, handle base, 1-1, positioning hole one, 1-2, positioning hole two, 2, cylinder, 4, drilling template, 5, bushing, 6, screw one, 7, bolt, 8, pressing Block, 9, screw two, 10, drill sleeve, 11, taper pin, 12, clip body, 13, positioning pin one, 14, support nail, 15, positioning pin two.

detailed description

Below in conjunction with accompanying drawing, the utility model is further described (the left-right direction in the following description, up-down direction and front-back direction are identical with the left-right direction in Fig. 2, up-down direction and front-back direction, and the direction far away from the reader is after among Fig. 2).

As shown in Figure 1, it is the parts diagram of the handle seat to be processed, and from Figure 1(a) to Figure 1(c) are the front view, left view and top view of the handle seat respectively; as shown in Figure 2 to Figure 4, a A fixture for threaded holes in drill handle seats, comprising a cylinder 2, a drill template 4, a bushing 5, a pressing block 8, a drill sleeve 10, a clamp body 12, a positioning pin 13, a support nail 14 and a positioning pin 2 15, the The clamp body 12 is made up of a horizontal plate and a vertical plate with an included angle of 90°, and the positioning pin one 13 and the positioning pin two 15 are vertically arranged on the left plane of the vertical plate of the clamp body 12, the positioning pin one 13 and the positioning pin Pin two 15 cooperate with positioning hole one 1-1 and positioning hole two 1-2 respectively, and the distance between the two axes of positioning pin one 13 and positioning pin two 15 is the same as positioning hole one 1-1 and positioning hole two 1- 2 The distance between the two axes is equal; at least three of the support nails 14 are arranged on the left plane of the vertical plate of the clamp body 12 at an equal angle around the center of the positioning pin-13 axis, and the support nails 14 and the handle base 1 blank The right end face of positioning hole 1-1 contacts and fits; Described drilling template 4 is positioned and fixed on the upper plane of clamp body 12 vertical plates by conical pin 11 and screw one 6, is equipped with on drilling template 4 by screw two 9 The drill bushing 10 whose axis is perpendicular to the horizontal plate of the clamp body 12; the bushing 5 is set on the outer circle of the drill sleeve 10 and the drill template 4; the cylinder 2 is installed on the horizontal plate of the clamp body 12 through bolts 7 , the axis of the piston rod of the cylinder 2 is on the same straight line as the axis of the positioning pin 13;

The working principle of the present utility model: before processing, the clamp body 12 is installed on the workbench of the drilling machine, and then the drilling template 4 is installed and fixed on the upper plane of the vertical plate of the clamp body 12 with two conical pins 11 and screw-6 , the fixed drilling template 4 is perpendicular to the vertical plate of the clamp body 12, and then the bushing 5 is installed in the hole matched with it on the drilling template 4, and then the drilling bushing 10 is loaded into the bushing 5, and the positioning pin is placed one by one. 13 and positioning pin two 15 and supporting nail 14 are respectively inserted in the hole that cooperates with it on the vertical plate of clamp body 12, and handle base 1 end face is attached to the supporting nail 14 on the vertical plate of clamping body 12, and then positioning pin one 13 and positioning pin II 15 penetrate into the positioning hole I1-1 and positioning hole II1-2, start the cylinder 2, and its piston rod drives the pressing block 8 to move toward the direction of the handle seat 1 blank until the pressing block 8 is in close contact with the handle seat 1 blank , and press the handle seat 1 blank on the vertical plate of the clamp body 12 to complete the positioning and clamping of the handle seat 1 blank, and start the drilling machine to drill. After the drilling process is completed, start the cylinder 2, and the piston rod drives the pressure Block 8 is far away from the handle seat 1 blank, remove the handle seat 1 blank, replace a workpiece, repeat clamping to batch process, and remove the clamp after completing the drilling of all handle seat 1 blanks.

The two locating pins 15 are rhombic pins, and the one locating pin 13 and the two locating pins 15 cooperate to locate, which can realize complete positioning without over-locating, which is convenient for installation.

The angle between the right side of the vertical plate of the clamp body 12 and the horizontal plate is provided with two front and rear rib plates, which can strengthen the strength and rigidity of the clamp body 12, and prevent the cutting force from deforming the clamp and causing a decrease in machining accuracy.

Claims (3)

1. A fixture for threaded holes in drill handle seats, characterized in that it includes a cylinder (2), a drill template (4), a bushing (5), a briquetting block (8), a drill sleeve (10), and a clamp body (12), positioning pin one (13), support nail (14) and positioning pin two (15), described clip body (12) is made up of horizontal plate and vertical plate that the included angle is 90 °, described positioning Pin one (13) and positioning pin two (15) are vertically located on the left plane of the clamp body (12) vertical plate, and positioning pin one (13) and positioning pin two (15) are respectively connected with positioning hole one (1-1) Cooperate with positioning hole two (1-2), and the distance between the two axes of positioning pin one (13) and positioning pin two (15) is the same as positioning hole one (1-1) and positioning hole two (1-2) The distance between the two axes is equal; at least three of the supporting nails (14) are centered and equiangularly arranged on the clamp body (12) vertical plate left plane with the axis of the positioning pin one (13), and the supporting nails ( 14) Contact and cooperate with the right end surface of the blank positioning hole (1-1) of the handle seat (1); the drill template (4) is positioned and fixed on the clamp body (12) by the conical pin (11) and screw one (6). ) on the upper plane of the vertical plate, the drill bushing (10) whose axis is vertical to the clamp body (12) horizontal plate is equipped with the axis and the clamp body (12) horizontal plate by screw two (9) on the drill template (4); the described bushing (5) is enclosed within On the outer circle where the drill sleeve (10) cooperates with the drill template (4); the cylinder (2) is installed on the clamp body (12) horizontal plate through the bolt (7), and the axis of the piston rod of the cylinder (2) and the positioning The axis of pin one (13) is on the same straight line; Described briquetting block (8) is located at cylinder (2) piston rod top. 2. A jig for drilling threaded holes in handle seats according to claim 1, characterized in that: said positioning pin 2 (15) is a diamond-shaped pin. 3. A fixture for drilling threaded holes in handle seats according to claim 1 or 2, characterized in that: the angle between the right side of the vertical plate and the horizontal plate of the clamp body (12) is provided with front and rear Two stiffener panels.