CN220853362U - Roundness detection device for disc sleeve type parts - Google Patents

Abstract

The utility model relates to a roundness detection device of a disc sleeve part, which comprises: base, V type locating piece, work piece, gland, percentage table seat, movable fixing base, locking screw, fixing base screw, gland screw and V type piece set screw, characterized by: the bottom surface of base is placed with the level in parallel, and inclined plane and bottom surface become about thirty degrees angle, rotate the work piece in the interior V profile of V type locating piece by hand, guaranteed the positioning accuracy of work piece, when the work piece rotated in the V type locating piece, the error value that the dial indicator pointer skew value that returns to zero was the circularity, also measured the circularity error of arbitrary point on the whole circle of work piece simultaneously. The roundness detection device for the disc sleeve type parts is reasonable in design, compact in structure, convenient to operate, accurate in measurement and capable of measuring the excircle roundness tolerance of the disc, the eccentric sleeve and other parts.

Description

Roundness detection device for disc sleeve type parts

Technical Field

The utility model relates to a roundness detection device for disc sleeve parts.

Background

The roundness detection of the outer circle of the existing disc sleeve type part usually adopts a vernier caliper or a micrometer to measure the sizes of the points, and then whether the roundness is within a specified tolerance range is determined according to the size deviation values of the points. The detection method has the following defects: the measurement result can only represent a plurality of points to be measured, but cannot represent the roundness of the whole circle, the accuracy of the measurement result has a certain probability, and the measurement result can also have reading errors, so that the accuracy of the measurement result obtained by the method has a great problem when the measurement result is used as a circular part with shape tolerance. Therefore, the measurement of the size of several points by using a vernier caliper or a micrometer for detecting the excircle of the existing disc sleeve type part cannot meet the requirement.

Disclosure of Invention

The purpose of the utility model is that: a roundness detection device for disc sleeve parts.

The technical scheme adopted for solving the technical problems is as follows: a roundness detection device for a disc sleeve type part comprises: base, V type locating piece, work piece, gland, percentage table seat, movable fixing base, locking screw, fixing base screw, gland screw and V type piece set screw, characterized by: the bottom surface of the base forms a thirty-degree angle with the bottom surface in a horizontal state, the V-shaped positioning block is fixed on the base through a plurality of V-shaped block fixing screws, one end surface of the workpiece is placed on the inclined surface of the base, the workpiece is always attached to the inner V-shaped surface of the V-shaped positioning block due to the downward sliding force and the action of human force generated by the dead weight of the workpiece on the inclined surface, the outer circle of the workpiece is positioned by the V-shaped positioning block, the workpiece can be rotated in the V-shaped surface of the V-shaped positioning block by hand, the dial indicator and the dial indicator seat are connected together through the clamping position of the dial indicator by using the gland and the fixing seat screw, the square shaft of the dial indicator seat is inserted into the square hole 703 of the movable fixing seat, the dial indicator seat can be lifted in the square hole 703 of the movable fixing seat according to the height of the measured circle to determine the proper position, the locking screw is screwed into the set screw hole, the dial indicator seat is locked on the movable fixed seat, the movable fixed seat is provided with two fixed screw holes on the base according to the size of the workpiece, the outer rectangle on the movable fixed seat is inserted into the long rectangular hole of the base, the measuring head of the dial indicator is retracted inwards by about 1 millimeter after contacting the workpiece, the dial indicator is screwed by the two fixed seat screws, the dial indicator is zeroed, the workpiece is rotated by the V-shaped positioning block hand, and because the inclined plane and the bottom surface on the base form a thirty-degree angle, the workpiece is always clung in the V-shaped positioning block when rotating in the V-shaped positioning block, the positioning precision of the workpiece is ensured, and the deviation zeroing value of the dial indicator is the roundness error value when the workpiece rotates in the V-shaped positioning block, and meanwhile, the roundness error of any point on the whole circle of the workpiece is measured.

The utility model has the advantages that the roundness tolerance of a whole circle can be accurately and completely measured, the data is accurate, and the detection is convenient.

The present utility model will be described in detail with reference to the accompanying drawings.

Drawings

FIG. 1: a roundness detection device of a disc sleeve part is a front view.

Fig. 2: a roundness detection device of a disc sleeve part is a left-view structure diagram.

Fig. 3: a roundness detection device of a disc sleeve part is a perspective view.

Fig. 4: a front view of a base of a roundness detection device of a disc sleeve type part.

Fig. 5: a left view of a base of a roundness detection device of a disc sleeve part.

Fig. 6: a dial indicator fixed partial diagram of a roundness detection device for disc sleeve parts.

Fig. 7: a dial indicator seat perspective view of a roundness detection device for disc sleeve parts.

Fig. 8: a movable fixing seat perspective view of a roundness detection device of a disc sleeve type part.

Fig. 9: a cover pressing perspective view of a roundness detection device of a disc sleeve part.

Fig. 10: a roundness detection device gland cross section of a disc sleeve part.

In the accompanying drawings: 1-base, 2-V type locating piece, 3-work piece, 4-gland, 5-percentage table, 6-percentage table seat, 7-movable fixing seat, 8-locking screw, 9-fixing seat screw, 10-gland screw, 11-V type piece fixing screw, 101-V type piece fixing screw hole, 102-fixing seat fixing screw hole, 103-rectangular hole, 104-inclined plane, 105-bottom surface, 401-straight through hole, 402-percentage table clamping circular arc, 601-screw hole, 602-percentage table positioning circular arc, 603-square shaft, 701-set screw hole, 702-straight through hole, 703-square hole, 704-outer rectangle.

Description of the embodiments

The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some, but not all, embodiments of the present utility model, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model.

Fig. 1 in the specification, fig. 2 in the specification and fig. 3 in the specification are shown as follows: a roundness detection device of a disc sleeve part is characterized in that a V-shaped positioning block is fixed on a base 1 through four screws, a dial indicator and a dial indicator seat are connected together through a gland and a fixed seat screw for clamping positions of the dial indicator, the dial indicator seat is locked on a movable fixed seat, the end face of a workpiece 3 is placed on an upper inclined surface of the base 1, the outer circle of the workpiece 3 is tangential and positioned with two inner V-shaped surfaces of the V-shaped positioning block, the movable fixed seat is provided with two fixed seat fixing screw holes on the base according to the size of the workpiece, an outer rectangle on the movable fixed seat is inserted into a long rectangular hole of the base, a measuring head of the dial indicator is retracted inwards by about 1 millimeter after contacting the workpiece, and an attached drawing 4 in the specification and an attached drawing 5 in the specification are screwed by two fixed seat screws: four V-shaped block fixing screw holes 101, a plurality of fixing seat fixing screw holes 102, rectangular holes 103, inclined planes 104 and a bottom surface 105 are formed in the base 1, the inclined planes 104 and the bottom surface 105 form an angle of about thirty degrees, the plurality of fixing seat fixing screw holes 102 are symmetrically arranged with the rectangular holes 103, round workpieces with different sizes are convenient to fix the dial indicator, the bottom surface 105 is generally parallel to a horizontal plane, the rectangular holes 103 are convenient for the repeated positioning accuracy of the movable fixing seat, and the plurality of fixing seat fixing screw holes 102 are convenient for the round workpieces with different sizes to fix the movable fixing seat of the dial indicator.

The accompanying figure 6 of the specification shows: the dial indicator and the dial indicator seat are connected together through the gland and the fixed seat screw for the clamping position of the dial indicator, the square shaft 603 of the dial indicator seat 6 is inserted into the square hole 703 of the movable fixed seat 7, the square shaft 603 of the dial indicator seat 6 is tightly fixed on the movable fixed seat 7 through the set screw hole by using the locking screw 8, and the clamping position of the dial indicator 5 can have a certain amount of movable range on the dial indicator positioning circular arc 602 of the dial indicator seat 6 along the circular arc axial direction so as to compensate for insufficient or excessive pre-pressing of the measuring head of the dial indicator 5 when the movable fixed seat 7 is positioned and fixed.

The accompanying figure 7 of the specification shows: the dial indicator seat 6 is provided with a screw hole 601, a dial indicator positioning arc 602 and a square shaft 603, the screw hole 601 is used for clamping a gland on the dial indicator seat 6, the dial indicator positioning arc 602 is used for positioning a clamping position of the dial indicator on the dial indicator seat, and the square shaft 603 can enable the square shaft 6 of the dial indicator seat to be inserted into the square hole 703 of the movable fixing seat 7 without generating angular displacement.

The accompanying figure 8 of the specification shows: the movable fixing seat 7 is provided with a set screw hole 701, a through hole 702, a square hole 703 and an outer rectangle 704. The holding screw hole 701 facilitates the locking screw 8 to fix the dial indicator seat 6 on the movable fixing seat 7, the fixing seat screw 9 passes through the through hole 702 to fix the movable fixing seat 7 on the bottom plate 1, the square shaft 603 is inserted in the square hole 703 of the movable fixing seat 7 to avoid angular displacement, and the outer rectangle 704 can ensure that the movable fixing seat 7 does not generate angular displacement on the base 1.

Fig. 9 in the specification and fig. 10 in the specification show: the gland 4 is provided with a through hole 401 and a dial indicator clamping arc 402, the dial indicator clamping arc 402 is matched with the clamping position of the dial indicator 5, so that the dial indicator 5 can be positioned in the dial indicator clamping arc 402, the gland 4 and the dial indicator seat 6 are connected by two gland screws 10, the dial indicator 5 is clamped in the middle through the clamping position of the dial indicator 5, and no displacement can be generated.

The roundness detection device working process of the disc sleeve type part comprises the following steps: according to the size of a workpiece, a dial indicator and a dial indicator seat are connected together through a gland and a fixed seat screw at a clamping position of the dial indicator, a square shaft of the dial indicator seat is inserted into a square hole 703 of a movable fixed seat, the dial indicator seat can be lifted in the square hole 703 of the movable fixed seat according to the height of a measured circle, after a proper position is determined, a locking screw is screwed into a set screw hole to lock the dial indicator seat on the movable fixed seat, two fixed seat fixed screw holes are selected at a base according to the size of the workpiece, an outer rectangle on the movable fixed seat is inserted into a long rectangular hole of the base, a measuring head of the dial indicator is retracted inwards by about 1 millimeter after contacting the workpiece, the dial indicator is screwed up by the two fixed seat screws, then the dial indicator is zeroed, and the workpiece is rotated, and the value of a deviation zero value displayed by a pointer on the dial indicator is the roundness error value. The roundness detection device for the disc sleeve type parts is reasonable in design, compact in structure, convenient to operate, accurate in measurement and capable of measuring the excircle roundness tolerance of the disc, the eccentric sleeve and other parts.

Claims (1)

1. A roundness detection device of a disc sleeve type part comprises: base (1), V type locating piece (2), work piece (3), gland (4), percentage table (5), percentage table seat (6), activity fixing base (7), locking screw (8), fixing base screw (9), gland screw (10) and V type piece set screw (11), characterized by: the bottom surface (105) of the base (1) is horizontally arranged in parallel, the inclined surface (104) and the bottom surface (105) form an angle of about thirty degrees, the V-shaped positioning block (2) is fixed on the base (1) through a plurality of V-shaped block fixing screws (11), one end surface of the workpiece (3) is arranged on the inclined surface (104) of the base (1), the workpiece (3) is fixedly attached to the inner V-shaped surface of the V-shaped positioning block (2) due to the sliding force and the action of human force generated by the self weight of the workpiece (3) on the inclined surface (104), the outer circle of the workpiece (3) can be rotated in the inner V-shaped surface of the V-shaped positioning block (2) by hand, the dial indicator (5) and the dial indicator seat (6) are connected together through the gland (4) and the fixing seat screw (9), the square shaft (603) of the dial indicator seat (6) is inserted into the square hole (703) of the movable fixing seat (7), the dial indicator seat (6) can be screwed into the proper position of the lifting fixing seat (703) in the movable fixing seat (7) according to the height of a measured circle, the proper position of the dial indicator seat (7) is screwed into the fixing seat (8), the movable fixing seat (7) is provided with two fixing seat fixing screw holes (102) on the base (1) according to the size of the workpiece (3), an outer rectangle (704) on the movable fixing seat (7) is inserted into a long rectangular hole (103) of the base (1), a measuring head of the dial indicator (5) is retracted inwards by more than 1 millimeter after contacting an outer circle of the workpiece (3), the movable fixing seat (7) is fixed on the base (1) by tightening two fixing seat screws (9), a dial indicator of the dial indicator (5) is reset to zero, the workpiece (3) is rotated by hand in the V-shaped positioning block (2), and the workpiece is always clung to the V-shaped positioning block (2) when rotating in the V-shaped positioning block (2), so that the roundness error of the workpiece (3) is ensured, and the error of any point on the whole circle of the workpiece is measured at the same time when the dial indicator deviates from zero.