CN217727205U

CN217727205U - Positioning fixture of drilling machine

Info

Publication number: CN217727205U
Application number: CN202123364263.5U
Authority: CN
Inventors: 文勤; 马权钱; 黄长青; 金礼; 陈亚东
Original assignee: Anhui Huadan Machinery Manufacturing Co ltd
Current assignee: Anhui Huadan Machinery Manufacturing Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-11-04
Anticipated expiration: 2031-12-28

Abstract

The utility model relates to a positioning clamp of a drilling machine, belonging to the technical field of clamps, comprising a workbench, wherein supporting components for supporting a workpiece are arranged at the upper side of the workbench at intervals, and a compressing component for compressing and fixing the workpiece at the upper side of the supporting components is arranged between two groups of supporting components; the supporting assembly comprises a U-shaped plate, and a groove is formed in the inner side of the U-shaped plate; a supporting plate is arranged on one side of the U-shaped plate, and a first mounting groove and a second mounting groove are respectively formed in the two ends, close to the groove, of the U-shaped plate; the supporting plate is positioned on one side of a straight line where the first mounting groove and the second mounting groove are positioned, and a third mounting groove is formed in the upper side of the supporting plate; the backup pad with it is equipped with the clearance to leave between the U-shaped board, be provided with the adjusting part on the workstation, the adjusting part is connected the U-shaped board, and adjusts the U-shaped board with distance between the backup pad. By adopting the technical scheme, the clamping function can be realized for workpieces of different specifications.

Description

Positioning fixture of drilling machine

Technical Field

The utility model belongs to the technical field of anchor clamps, concretely relates to drilling machine positioning fixture.

Background

The crankshaft is the main rotating mechanism of the refrigeration compressor, which is responsible for converting the up-and-down reciprocating motion of the piston into the circular motion of the crankshaft, and the rotating speed of the refrigeration compressor is the rotating speed of the crankshaft.

The crankshaft structure generally comprises a main journal, a connecting rod journal, a crank, a balance weight, a front end and a rear end. In a crankshaft workpiece including a main journal, a crank provided at an end of the main journal, and a rod journal connected to the other end of the crank, holes are respectively opened at ends of the column journal and the rod journal, which are away from each other.

Among the prior art, need process the hole at column shaft neck or connecting rod journal both ends, generally adopt lathe processing among the prior art, add man-hour, operating personnel uses three-jaw anchor clamps or other types anchor clamps to carry out the centre gripping to bent axle one end, then punches to the other end, but this kind of mode needs an installation of operating personnel, then control punches, and efficiency is very low, consequently urgently needs an anchor clamps that can be used for specially carrying out the centre gripping to the bent axle work piece, and then conveniently changes the hole work to it.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the above-mentioned prior art, the utility model aims to provide a drilling machine positioning fixture can realize clamping function to the work piece of different specifications.

In order to realize the purpose of the utility model, the utility model provides a technical scheme as follows:

a positioning clamp of a drilling machine comprises a workbench, wherein supporting assemblies for supporting a workpiece are arranged on the upper side of the workbench at intervals, and a pressing assembly for pressing and fixing the workpiece on the upper side of the supporting assemblies is arranged between two groups of supporting assemblies; the supporting assembly comprises a U-shaped plate, and a groove is formed in the inner side of the U-shaped plate; a supporting plate is arranged on one side of the U-shaped plate, and a first mounting groove and a second mounting groove are respectively formed in the two ends, close to the groove, of the U-shaped plate; the supporting plate is positioned on one side of a straight line where the first mounting groove and the second mounting groove are positioned, and a third mounting groove is formed in the upper side of the supporting plate; the utility model discloses a distance adjusting device, including U-shaped plate, backup pad, workstation, adjusting component, U-shaped plate, the backup pad with leave between the U-shaped plate and be equipped with the clearance, be provided with adjusting part on the workstation, adjusting part connects the U-shaped plate, and adjusts the U-shaped plate with distance between the backup pad.

Preferably, a plurality of mounting holes are formed in the U-shaped plate and positioned at the bottom of the groove at intervals, a plurality of threaded holes are formed in the workbench along the linear direction of the first mounting groove and the second mounting groove, the adjusting assembly comprises a first screw rod and a second screw rod, and the first screw rod and the second screw rod can penetrate through the mounting holes to be connected with different threaded holes; and the U-shaped plate may cover the screw hole.

Preferably, the vertical two sides of the supporting plate are provided with bearing blocks which are abutted to the upper side surface of the workbench.

Preferably, the first mounting groove, the second mounting groove and the third mounting groove are in a V shape with the same shape.

Preferably, the compressing assembly comprises a base and a compressing cylinder arranged on the upper side of the base, a compressing rod is arranged at the piston end of the compressing cylinder, and the compressing cylinder can drive the compressing rod to rotate and lift; the pressing rod can rotate to the upper side of the U-shaped plate and is located on the upper side of the groove.

Preferably, a detection piece is arranged on the lower side of the pressing rod, and the detection piece is located at a position where the pressing rod presses the workpiece.

Preferably, the detection member is a pressure sensor.

The utility model provides a drilling machine positioning fixture, through the base that sets up, set up in the U-shaped board of base upside, backup pad, can support the work piece, can compress tightly the work piece through the subassembly that compresses tightly that sets up, can cooperate the U-shaped board through the fixed subassembly that sets up, realize clamping function to the work piece of different specifications. The pressure sensor can automatically detect the workpiece, and when no workpiece exists on the clamp or the workpiece is broken, the workpiece can be detected, so that the machining efficiency and the workpiece integrity rate are improved.

Drawings

Fig. 1 is a schematic structural view of a positioning jig of a drilling machine according to the present invention;

fig. 2 is a cross-sectional view of a positioning jig of a drilling machine of the present invention;

fig. 3 is a cross-sectional view of the protruding pressure sensor in the positioning fixture of the drilling machine of the present invention.

Reference numbers in the figures:

100. a work table; 110. a threaded hole;

200. a support assembly; 210. a U-shaped plate; 211. a groove; 212. a first mounting groove; 213. a second mounting groove; 214. mounting holes; 220. a support plate; 221. a third mounting groove; 222. a bearing block; 230. a gap;

300. a compression assembly; 310. a base; 320. a pressing cylinder; 330. a compression bar; 340. a pressure sensor;

400. an adjustment assembly; 410. a first screw; 420. a second screw.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Examples

The utility model provides a drilling machine positioning fixture, see fig. 1-3, including workstation 100, be provided with the supporting component 200 that supports the work piece at workstation 100 upside interval, be provided with between two sets of supporting components 200 and compress tightly fixed subassembly 300 that compresses tightly to the work piece of supporting component 200 upside. In operation, a workpiece to be machined is placed on the support assembly 200, then is pressed by the pressing assembly 300, and is drilled after being pressed.

The support assembly 200 includes a U-shaped plate 210, the U-shaped plate 210 having a groove 211 formed inside thereof; a supporting plate 220 is arranged at one side of the U-shaped plate 210, and a first mounting groove 212 and a second mounting groove 213 are respectively arranged at two ends of the U-shaped plate 210 close to the groove 211; the supporting plate 220 is positioned at one side of the straight line where the first mounting groove 212 and the second mounting groove 213 are positioned, and a third mounting groove 221 is formed at the upper side of the supporting plate 220; a gap 230 is left between the support plate 220 and the U-shaped plate 210, and when a workpiece is positioned during drilling, a crank of a crankshaft workpiece is located at the gap 230, and a main journal and a rod journal are respectively located on the first installation groove 212, the second installation groove 213, and the third installation groove 221 of the U-shaped plate 210.

The worktable 110 is provided with an adjusting assembly 400, and the adjusting assembly 400 is connected to the U-shaped plate 210 and adjusts a distance between the U-shaped plate 210 and the supporting plate 220. A plurality of mounting holes 214 are formed in the U-shaped plate 210 at intervals at the bottom of the groove 211, a plurality of threaded holes 110 are formed in the worktable 100 along the linear direction of the first mounting groove 212 and the second mounting groove 213, the adjusting assembly 400 includes a first screw 410 and a second screw 420, and the first screw 410 and the second screw 420 can pass through the mounting holes 214 to be connected with different threaded holes 110; and the U-shaped plate 210 may cover the screw hole 110.

When drilling is performed, the drilling is performed from the side close to the support plate 220, at which time the crank is located at the gap 230 and abuts on the U-shaped plate 210. Through the adjusting component 400, the distance between the supporting plate 220 and the U-shaped plate 210 can be adjusted, and then cranks with different thicknesses can be better adapted to drill crankshafts of different models.

The support plate 220 is provided at both vertical sides thereof with bearing blocks 222 which abut against the upper side of the table 100. Through the bearing blocks 222, the supporting plate 220 bears the acting force of the workpiece, including the gravity thereof and the pressure of the pressing assembly 300, through the two bearing blocks 222 during the supporting process of the workpiece.

The first, second and

third mounting grooves

212, 213 and 221 are V-shaped with the same shape. Be the V-arrangement through the setting, can carry out the centre gripping to the bent axle of different diameters and fix, realize driling the bent axle of multiunit model.

The pressing assembly 300 comprises a base 310 and a pressing cylinder 320 arranged on the upper side of the base 310, wherein a pressing rod 330 is arranged at the piston end of the pressing cylinder 320, and the pressing cylinder 320 can drive the pressing rod 330 to rotate and lift; the pressing bar 330 is rotatable to the upper side of the U-shaped plate 210 and is located at the upper side of the groove 211. When the clamping device works, when a workpiece needs to be clamped, the pressing cylinder 320 controls the pressing rod 330 to rotate to the upper side of the U-shaped plate 210, then the pressing cylinder 320 drives the pressing rod 330 to descend, and the workpiece is pressed in the descending process.

Preferably, a detection part is disposed at the lower side of the pressing rod 330, and the detection part is located at a position where the pressing rod 330 presses the workpiece. The sensing member is a pressure sensor 340. Through the pressure sensor 340 who sets up, can detect whether have the work piece on U-shaped board 210, perhaps the work piece is complete, when the pressure value of pressure sensor 340 is greater than the setting value, has the work piece, can carry out drilling work, when the pressure value is 0, then can report to the police, or stop drilling work.

The utility model provides a drilling machine positioning fixture through workstation 100 that sets up, sets up in U-shaped plate 210, the backup pad 220 of workstation 100 upside, can support the work piece, compresses tightly subassembly 300 through setting up and can compress tightly the work piece, can cooperate backup pad 220 through the fixed subassembly 400 that sets up, realizes clamping function to the work piece of different specifications. The pressure sensor 340 can realize automatic detection of the workpiece, and when no workpiece exists on the clamp or the workpiece is broken, the workpiece can be detected, so that the processing efficiency and the workpiece completeness rate are improved.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In the case of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other.

The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a drilling machine positioning fixture which characterized in that: the device comprises a workbench (100), wherein supporting assemblies (200) for supporting workpieces are arranged on the upper side of the workbench (100) at intervals, and a pressing assembly (300) for pressing and fixing the workpieces on the upper side of the supporting assemblies (200) is arranged between the two groups of supporting assemblies (200);

the support assembly (200) comprises a U-shaped plate (210), and a groove (211) is formed on the inner side of the U-shaped plate (210); a supporting plate (220) is arranged on one side of the U-shaped plate (210), and a first mounting groove (212) and a second mounting groove (213) are respectively formed in two ends, close to the groove (211), of the U-shaped plate (210);

the supporting plate (220) is positioned on one side of a straight line where the first mounting groove (212) and the second mounting groove (213) are positioned, and a third mounting groove (221) is formed in the upper side of the supporting plate (220); a gap (230) is reserved between the supporting plate (220) and the U-shaped plate (210),

an adjusting assembly (400) is arranged on the workbench (100), the adjusting assembly (400) is connected with the U-shaped plate (210) and adjusts the distance between the U-shaped plate (210) and the supporting plate (220).

2. A drill positioning jig according to claim 1 wherein: a plurality of mounting holes (214) are arranged on the U-shaped plate (210) and positioned at the bottom of the groove (211) at intervals,

a plurality of threaded holes (110) are formed in the workbench (100) along the linear direction of the first mounting groove (212) and the second mounting groove (213), the adjusting assembly (400) comprises a first screw rod (410) and a second screw rod (420), and the first screw rod (410) and the second screw rod (420) can pass through the mounting holes (214) to be connected with different threaded holes (110);

and the U-shaped plate (210) may cover the threaded hole (110).

3. A drill positioning jig according to claim 1 wherein: and bearing blocks (222) which are abutted against the upper side surface of the workbench (100) are arranged on the two vertical sides of the supporting plate (220).

4. A drill positioning jig according to claim 1 wherein: the first installation groove (212), the second installation groove (213) and the third installation groove (221) are V-shaped with the same shape.

5. A drill positioning jig according to claim 1 wherein: the pressing assembly (300) comprises a base (310) and a pressing cylinder (320) arranged on the upper side of the base (310), a pressing rod (330) is arranged at the piston end of the pressing cylinder (320), and the pressing cylinder (320) can drive the pressing rod (330) to rotate and lift; the pressing rod (330) can rotate to the upper side of the U-shaped plate (210) and is positioned on the upper side of the groove (211).

6. A drill positioning jig as claimed in claim 5, wherein: the lower side of the pressing rod (330) is provided with a detection piece, and the detection piece is located at the position where the pressing rod (330) presses the workpiece.

7. The drill positioning jig of claim 6, wherein: the detection piece is a pressure sensor (340).