A detection device and a detection method for detecting the eccentricity of a collet member

Abstract

The application is suitable for the technical field of chuck detection, and provides a detection device for detecting eccentricity of a chuck part, which comprises a fixing base, a shaft core part and a rotation control part, the shaft core part is provided with four locking grooves, each locking groove is uniformly distributed at an interval of 90 degrees along the circumference of the shaft core part, one side of the shaft core part is provided with a locking part, the locking part comprises a mounting base fixed relative to the fixing base and a locking rod slidingly connected to the mounting base and capable of extending into and withdrawing from the locking grooves, and the shaft core part is locked when the locking rod extends into the locking grooves; the front end of the shaft core part is provided with a chuck part for clamping a workpiece, and the detection device further comprises a three-coordinate detector for detecting the eccentricity of the chuck part and / or the shaft core part when the locking rod is respectively inserted into different locking grooves. The detection device and detection method for detecting the eccentricity of the chuck part provided by the application can quickly and effectively measure the symmetry and eccentricity of the chuck part and / or the shaft core part, so as to reduce the size error during machining.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of collet detection, and particularly relates to a detection device and a detection method for detecting eccentricity of a collet component. BACKGROUND

[0002] During production of a drill bit, the product quality of the drill bit is affected by eccentricity and runout of the collet. The existing detection method mainly detects the machining size of the collet, and the symmetry and eccentricity of the collet and the shaft core component after assembly cannot be quickly and effectively measured, resulting in relatively large size error of the drill bit during machining, which is not conducive to improving product quality. SUMMARY

[0003] The present application aims to overcome the shortcomings of the prior art and provides a detection device and a detection method for detecting eccentricity of a collet component, which can effectively detect the symmetry and eccentricity of the collet component and the shaft core component after assembly, thereby improving product quality.

[0004] The technical solution of the present application is: a detection device for detecting eccentricity of a collet component, comprising a fixed seat, a shaft core component rotatably connected to the fixed seat, and a rotation control component connected to the shaft core component and used to drive rotation of the shaft core component. The shaft core component is provided with four locking grooves, each of which is uniformly distributed at an interval of 90 degrees along the circumference of the shaft core component. One side of the shaft core component is provided with a locking component, which comprises a mounting seat fixed relative to the fixed seat and a locking rod slidingly connected to the mounting seat and capable of being inserted into and withdrawn from the locking groove. When the locking rod is inserted into the locking groove, the shaft core component is locked. A collet component for clamping a workpiece is arranged at the front end of the shaft core component. The detection device further comprises a three-coordinate detector for detecting eccentricity of the collet component and / or the shaft core component when the locking rod is inserted into different locking grooves.

[0005] Specifically, the locking grooves are in the shape of tapered grooves, and the front end of the locking rod is in the shape of a cone.

[0006] Alternatively, the locking grooves are in the shape of V-shaped grooves, and the front end of the locking rod is in the shape of a V.

[0007] Alternatively, the locking grooves are in the shape of spherical concave grooves, and the front end of the locking rod is in the shape of a sphere.

[0008] Specifically, the mounting seat is fixedly connected to or integrally formed with the fixed seat, and the mounting seat is provided with a sliding hole through which the locking rod slides. The locking rod is provided with a limiting structure.

[0009] Specifically, the rear end of the lock rod is connected with an operation part, the limiting structure comprises a limiting block and a limiting rod, the limiting block is arranged on one side of the mounting seat close to the rear end of the lock rod, the limiting block has a containing groove for inserting the limiting rod, when the limiting rod is inserted into the containing groove, the front end of the lock rod is clamped in the lock slot, when the limiting rod abuts against the end face of the limiting block, the front end of the lock rod is withdrawn from the lock slot.

[0010] Specifically, an elastic member is arranged between the mounting seat and the lock rod.

[0011] Specifically, the rotation control part is a hand crank.

[0012] Specifically, the fixing seat has a through mounting hole, the shaft core part is sleeved with a bearing, the bearing is arranged in the mounting hole, and the two ends of the fixing seat are provided with limiting flanges, and the two ends of the shaft core part protrude out of the mounting hole and the limiting flanges.

[0013] Specifically, the chuck part comprises a chuck seat with a chuck groove and a chuck cover connected to the chuck seat, the chuck cover is connected to the chuck seat through a connecting piece, the chuck cover comprises a top plate and two side plates, the two side plates are arranged in parallel and integrally connected to the two sides of the top plate.

[0014] The embodiment of the present application also provides a detection method for detecting the eccentricity of the chuck part, and the detection method comprises the following steps: inserting the lock rod into the lock slot, locking the shaft core part, using a three-coordinate detector to detect the coordinate position of the chuck part or / and the shaft core part;

[0015] Withdrawing the lock rod from the lock slot, rotating the shaft core part, inserting the lock rod into the next adjacent lock slot, respectively using a three-coordinate detector to detect the coordinate position of the chuck part or / and the shaft core part, and the three-coordinate detector outputs the eccentricity of the chuck part or / and the shaft core part.

[0016] Specifically, after the lock rod is withdrawn from the lock slot, the shaft core part is rotated, a dial gauge is used to act on the bar clamped by the chuck part, and the eccentricity of the chuck part and the shaft core part is detected.

[0017] The application provides a detection device and a detection method for detecting eccentricity of a chuck part, rotating a shaft core part, and cooperating four locking grooves with locking rods respectively, and then measuring the spatial coordinates of the chuck part and / or the shaft core part by using a three-coordinate detector, i.e. analyzing the spatial positions of the chuck part and / or the shaft core part respectively, and then judging the eccentricity of the chuck part and / or the shaft core part, so as to know the symmetry and the runout of the chuck part and / or the shaft core part, and to facilitate subsequent adjustment. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative effort.

[0019] Figure 1 is a perspective view of a detection device for detecting eccentricity of a chuck part provided by the embodiments of the present application;

[0020] Figure 2 is a front view of a detection device for detecting eccentricity of a chuck part provided by the embodiments of the present application;

[0021] Figure 3 is a sectional view of a detection device for detecting eccentricity of a chuck part provided by the embodiments of the present application;

[0022] Figure 4 is a right view of a detection device for detecting eccentricity of a chuck part provided by the embodiments of the present application;

[0023] Figure 5 is a top view of a detection device for detecting eccentricity of a chuck part provided by the embodiments of the present application;

[0024] Figure 6 is a perspective exploded view of a detection device for detecting eccentricity of a chuck part provided by the embodiments of the present application. DETAILED DESCRIPTION

[0025] In order to make the objects, technical solutions and advantages of the present application more clearly understood, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, and are not used to limit the present application.

[0026] It is to be noted that when an element is referred to as being "on" or "connected to" another element, it can be directly on or connected to the other element, or intervening elements can be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element, or intervening elements can be present.

[0027] In addition, the terms "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like, which indicate the orientation or positional relationship of the terms in the embodiments of the present application, are based on the orientation or positional relationship shown in the drawings or the conventional placement state or use state, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the structure, feature, device or element referred to must have a particular orientation or positional relationship, and must be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specified.

[0028] In the specific technical features and embodiments described in the specific embodiments, any suitable manner can be combined without contradiction, for example, different specific technical features / embodiments can form different embodiments by combination. In order to avoid unnecessary repetition, various possible combinations of each specific technical feature / embodiment in the present application are not described again.

[0029] As Figures 1 to 6As shown, the detection device for detecting eccentricity of the chuck component provided by the embodiment of the present application comprises a fixed seat 10, a shaft core component 20 rotatably connected to the fixed seat 10, and a rotation control component 30 connected to the shaft core component 20 and used for driving the rotation of the shaft core component 20. The outer periphery of the shaft core component 20 is provided with four locking grooves 201. Each of the locking grooves 201 is uniformly distributed along the circumferential direction of the shaft core component 20 by 90 degrees. One side of the shaft core component 20 is provided with a locking component. The locking component comprises a mounting seat 50 fixed relative to the fixed seat 10 and a locking rod 40 slidably connected to the mounting seat 50. The locking rod 40 can slide forward and backward along the axial direction of the locking rod 40 to extend into and exit from the locking groove 201. When the locking rod 40 extends into the locking groove 201, the shaft core component 20 is locked. The front end of the shaft core component 20 is provided with a chuck component 60 used for clamping a workpiece 70. The detection device further comprises a three-coordinate detector used for detecting the eccentricity of the chuck component 60 and / or the shaft core component 20 when the locking rod 40 is respectively inserted into different locking grooves 201. The four circumferentially distributed locking grooves 201 on the shaft core component 20 comprise a first locking groove 201, a second locking groove 201, a third locking groove 201 and a fourth locking groove 201 arranged in sequence. The first locking groove 201 and the third locking groove 201 are symmetrical. The second locking groove 201 and the fourth locking groove 201 are symmetrical. The shaft core component 20 is rotated to make the four locking grooves 201 cooperate with the locking rod 40 respectively. After each locking groove 201 cooperates with the locking rod 40, the spatial coordinates of the chuck component 60 and / or the shaft core component 20 are measured by using the three-coordinate detector, i.e., the spatial positions of the chuck component and / or the shaft core component 20 are analyzed respectively, and then the eccentricity of the chuck component and / or the shaft core component 20 is judged, i.e., the symmetry and the runout of the chuck component and / or the shaft core component 20 can be known, so that subsequent adjustment can be performed. The symmetry and the eccentricity can be quickly and effectively measured after the chuck and the shaft core component 20 are assembled, so as to reduce the size error of the drill bit during machining and improve the product quality.

[0030] Specifically, the locking groove 201 can be in the shape of a tapered groove, and the front end of the locking rod 40 can be correspondingly tapered. Alternatively, the locking groove 201 can be in the shape of a V-shaped groove, and the front end of the locking rod 40 can be V-shaped. Alternatively, the locking groove 201 can be in the shape of a spherical concave, and the front end of the locking rod 40 can be spherical. In this way, the locking rod 40 can better lock and limit the shaft core component 20.

[0031] Specifically, the mounting seat 50 is fixedly connected to or integrally formed with the fixed seat 10. The mounting seat 50 is provided with a sliding hole through which the locking rod 40 slides. The locking rod 40 is provided with a limiting structure for keeping the locking rod 40 in a state of exiting from the locking groove 201, so that the shaft core component 20 can be freely and continuously rotated.

[0032] Specifically, the mounting seat 50 can be fixedly connected to the fixed seat 10 by at least two groups of bolts. The side surface of the fixed seat 10 can be provided with a mounting groove, the shape of the mounting groove can match the outer shape of the mounting seat 50, the mounting seat 50 can be inserted into the mounting groove and fixedly connected to the fixed seat 10 by bolts. Of course, the mounting groove can not be provided, and the mounting seat 50 can be fixedly connected to the outer surface of the fixed seat 10 by at least two groups of bolts. The axis of the sliding hole is perpendicular to the axis of the shaft core component 20. In the embodiment, the bottom surface of the fixed seat 10 is provided with a bottom plate 130, and the axis of the sliding hole and the axis of the shaft core component 20 are both arranged in parallel with the bottom plate 130.

[0033] Specifically, the rear end of the lock rod 40 is connected with an operating part 41, which can be in the shape of a round block or a flange. The limiting structure includes a limiting block 71 and a limiting protrusion 72. The limiting block 71 is arranged on one side of the mounting seat 50 close to the rear end of the lock rod 40. The limiting block 71 has a containing groove into which the limiting protrusion 72 can be inserted. When the limiting protrusion 72 is inserted into the containing groove, the front end of the lock rod 40 is clamped in the lock slot 201. When the limiting protrusion 72 abuts against the end surface of the limiting block 71, the front end of the lock rod 40 exits the lock slot 201, so as to prevent the lock rod 40 from interfering with the shaft core component 20, and the shaft core component 20 can be continuously rotated. The limiting protrusion 72 can be in the shape of a rod, which penetrates the lock rod 40 in the radial direction and is fixedly connected to the lock rod 40. When the limiting protrusion 72 rotates with the lock rod 40 to a set angle, it can be aligned with and inserted into the containing groove. The front end of the lock rod 40 can be inserted into the lock slot 201. When the limiting protrusion 72 abuts against the limiting block 71 (is located outside the containing groove), the front end of the lock rod 40 cannot be inserted into the lock slot 201.

[0034] Specifically, an elastic member can be arranged between the mounting seat 50 and the lock rod 40. The elastic member can be a spring and is sleeved on the lock rod 40. The two ends of the elastic member can abut against the mounting seat 50 and the lock rod 40 respectively, so as to reset the lock rod 40 forward.

[0035] Specifically, the rotation control component 30 can be a hand crank or a servo motor control component.

[0036] Specifically, the fixed seat 10 has a through mounting hole 101. The shaft core component 20 is sleeved with a bearing 110, which is arranged in the mounting hole 101. The two ends of the fixed seat 10 are provided with limiting flanges 120. The two ends of the shaft core component 20 protrude out of the mounting hole 101 and the limiting flanges 120. The bearing 110 can be provided with a plurality of bearings, which are arranged in the mounting hole 101 in sequence and adjacent to each other. The structure has good reliability.

[0037] Specifically, the chuck component 60 comprises a chuck base 61 with a chuck groove and a chuck cover 62 connected to the chuck base 61, the chuck cover 62 is connected to the chuck base 61 through a connecting piece, the chuck cover 62 comprises a top plate and two side plates, the two side plates are arranged in parallel and integrally connected to the two sides of the top plate, the outer side surfaces of the two side plates and the outer side surface of the top plate are planar, and the outer side surfaces of the two side plates and the outer side surface of the top plate are perpendicular to each other, wherein the directions of the two locking grooves 201 are perpendicular to the outer side surfaces of the side plates and the outer side surface of the top plate, so as to facilitate the measurement of the coordinate position.

[0038] In a specific application, the inspection device can comprise a dial gauge, after the locking rod 40 is withdrawn from the locking groove 201, the shaft core component 20 is rotated, the shaft core component 20 can be continuously rotated at least one circle, the dial gauge acts on the rod material (drill bit) clamped by the chuck component 60, and the eccentricity of the chuck component 60 and the shaft core component 20 can be detected.

[0039] The embodiment of the present application also provides a detection method for detecting the eccentricity of a chuck component, adopts the detection device for detecting the eccentricity of the chuck component 60, and the fixing base 10 can be fixedly arranged on a bearing table of a three-coordinate detector, and the detection method comprises the following steps: the locking rod 40 is inserted into the locking groove 201, so that the shaft core component 20 is locked, the three-coordinate detector is used to detect the coordinate position of the chuck component 60 and / or the shaft core component 20; the locking rod 40 is withdrawn from the locking groove 201, the shaft core component 20 is rotated, the locking rod 40 is inserted into the next adjacent locking groove 201, respectively, the three-coordinate detector is used to detect the coordinate position of the chuck component 60 and / or the shaft core component 20, the three-coordinate detector outputs the eccentricity of the chuck component 60 and / or the shaft core component 20; the shaft core component 20 is rotated, and the four locking grooves 201 are matched with the locking rod 40, respectively, after each locking groove 201 is matched with the locking rod 40, the three-coordinate detector is used to measure the spatial coordinates of the chuck component 60 and / or the shaft core component 20, that is, the spatial positions of the chuck component and / or the shaft core component 20 are analyzed, respectively, so as to judge the eccentricity of the chuck component and / or the shaft core component 20, that is, the symmetry and the runout of the chuck component and / or the shaft core component 20 can be known, so that subsequent adjustment can be carried out, the symmetry and the eccentricity of the chuck and the shaft core component 20 can be quickly and effectively measured after the chuck and the shaft core component 20 are assembled, so as to reduce the size error of the drill bit during machining, and the product quality is improved.

[0040] Specifically, after the locking rod 40 is withdrawn from the locking groove 201, the shaft core component 20 is rotated, and the dial gauge acts on the rod material clamped by the chuck component 60, so as to detect the eccentricity of the chuck component 60 and the shaft core component 20.

[0041] The detection device and detection method for detecting the eccentricity of the chuck part provided by the embodiment of the present application, rotate the shaft core part 20, make the four locking grooves 201 cooperate with the locking rods 40 respectively, after each locking groove 201 cooperates with the locking rod 40, the spatial coordinates of the chuck part 60 or / and the shaft core part 20 are measured by using the three-coordinate detector, that is, the spatial positions of the head part or / and the shaft core part 20 are analyzed respectively, and then the eccentricity of the head part or / and the shaft core part 20 is judged, that is, the symmetry, the runout and the like of the head part or / and the shaft core part 20 can be known, so that the subsequent adjustment can be carried out, the symmetry and the eccentricity can be quickly and effectively measured after the chuck and the shaft core part 20 are assembled, so that the error of the size of the drill bit in the machining process is reduced, and the product quality is improved.

[0042] The above merely provides the preferred embodiment of the present application and is not intended to limit the present application, and any modification, equivalent replacement or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A detection device for detecting the eccentricity of a chuck component, characterized in that: The cam is connected to the locking cam of the first locking member and the locking cam of the second locking member, and the cam is connected to the locking cam of the first locking member and the locking cam of the second locking member, and the cam is connected to the locking cam of the second locking member and the locking cam of the second locking member, and the cam is connected to the locking cam of the second locking member and the locking cam of the second locking member. The chuck component includes a chuck base with a chuck groove and a chuck cover connected to the chuck base, the chuck cover is connected to the chuck base through a connecting piece, the chuck cover includes a top plate and two side plates, the two side plates are relatively parallel and integrally connected to both sides of the top plate, the outer side surfaces of the two side plates and the outer side surface of the top plate are both flat, and the outer side surfaces of the side plates and the outer side surface of the top plate are perpendicular to each other, wherein the directions of the two locking grooves are perpendicular to the outer side surfaces of the side plates, and the directions of the other two locking grooves are perpendicular to the outer side surface of the top plate; The mounting seat is fixedly connected to or integrally formed with the fixing seat, and the mounting seat is provided with a sliding hole, the locking rod slides through the sliding hole, and the locking rod is provided with a limiting structure; The rear end of the locking rod is connected to an operating part, and the limiting structure includes a limiting block and a limiting rod. The limiting block is arranged on a side of the mounting seat close to the rear end of the locking rod, and the limiting block has a groove for inserting the limiting rod. When the limiting rod is inserted into the groove, the front end of the locking rod is stuck in the locking groove. When the limiting rod rests on the end face of the limiting block, the front end of the locking rod withdraws from the locking groove.

2. A detection device for detecting the eccentricity of a chuck component according to claim 1, characterized in that: The locking groove is in the shape of a cone, and the front end of the locking rod is in the shape of a cone; Alternatively, the locking groove is V-groove-shaped, and the front end of the locking rod is V-shaped; Alternatively, the locking groove is spherically concave, and the front end of the locking rod is spherical.

3. A detection device for detecting the eccentricity of a chuck component according to claim 1, characterized in that: An elastic member is provided between the mounting seat and the locking rod.

4. A detection device for detecting the eccentricity of a chuck component according to claim 1, characterized in that: The rotation control component is a hand crank.

5. A detection device for detecting the eccentricity of a chuck component according to claim 1, characterized in that: The fixing seat has a through mounting hole, the shaft core component is sleeved with a bearing, the bearing is arranged in the mounting hole, limiting flanges are provided at both ends of the fixing seat, and both ends of the shaft core component extend out of the mounting hole and the limiting flanges.

6. A method for detecting the eccentricity of a chuck component, characterized in that: A detection device for detecting the eccentricity of a chuck component according to any one of claims 1 to 5, comprising the following steps: extending a locking rod into a locking slot to lock the shaft core component, and detecting the coordinate position of the chuck component and / or the shaft core component using a three-dimensional coordinate measuring machine; Withdraw the locking rod from the locking slot, rotate the shaft core component so that the locking rod extends into the next adjacent locking slot, and use a three-coordinate measuring machine to detect the coordinate position of the chuck component and / or the shaft core component. The three-coordinate measuring machine outputs the eccentricity of the chuck component and / or the shaft core component.

7. A method for detecting the eccentricity of a chuck component according to claim 6, characterized in that: After the locking rod is withdrawn from the locking groove, the shaft core component is rotated, and a micrometer is used to act on the bar material clamped by the chuck component to detect the eccentricity of the chuck component and the shaft core component.

Images