Positioning chuck for hub X-ray machine

Abstract

The utility model relates to the technical field of hub manufacturing, and discloses a positioning chuck for a hub X-ray machine, which comprises a connecting shaft connected with a clamping mechanism of the X-ray machine, the connecting shaft is fixedly connected with a clamping part for clamping a hub blank, the whole clamping part is a rotary body with an I-shaped longitudinal section, and the clamping part is fixedly connected with the connecting shaft. An upper disc body is arranged at the position, corresponding to a rim of the hub blank, of the clamping part and used for positioning and clamping the hub blank, and a lower disc body used for supporting the hub blank is arranged at the position, corresponding to the lower edge of the hub blank, of the lower end of the clamping part. The upper disc body is arranged at the position corresponding to the rim of the hub blank and used for clamping the hub blank, so that the problems that the hub blank is low in positioning accuracy, cannot rotate or is not in place in rotation angle due to the fact that a traditional chuck is arranged corresponding to the lip of the hub blank and is influenced by the conditions of flash of the lip and the like are solved; and the detection efficiency and the detection quality of the hub blank are ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to hub manufacturing technical field especially relates to a positioning chuck for hub X ray machine. BACKGROUND

[0002] After aluminum alloy hub blank casting is completed, it usually needs to pass through X ray detection to confirm whether the hub blank exists casting defect, when the hub carries out X ray detection, needs through the special clamping mechanism to the hub blank positioning clamping, so as to be positioned directional detection to the hub blank according to the detection range, the existing clamping mechanism includes four chuck that is correspondingly arranged on the detection platform in the radial direction of the hub blank, when the hub blank transmission arrives at the detection platform, four chuck simultaneously shifts to the center and positions the hub blank clamping, when needing to adjust the detection angle, four chuck synchronous rotation drives the hub blank to produce the rotation in the horizontal direction, to cooperate with the X ray machine to complete the directional detection of the corresponding range.

[0003] The chuck of traditional X ray machine clamping mechanism is usually set up to the wheel lip part of the hub blank, however, in the production practice, often meets the situation that the wheel lip part exists irregular flash, causes the wheel lip shape to change, forms the irregular shape such as ellipse, causes four chuck not to be able to contact the wheel lip part of the hub blank completely, influences the positioning accuracy of the hub blank, when adjusting the angle, the hub cannot rotate or the rotation angle is not in place, which affects the detection efficiency and detection quality of the hub blank.

[0004] Therefore, developing a new type of positioning chuck for hub X ray machine applied to the production practice is the current urgent problem to be solved. UTILITY MODEL CONTENTS

[0005] The utility model is directed to the above -mentioned problem, provides a positioning chuck for hub X ray machine to solve the problem that the chuck of existing X ray machine clamping mechanism is limited by the irregular shape of the wheel lip part of the hub blank in the use process, easy to appear positioning accuracy is poor, affects the detection efficiency and detection quality.

[0006] To solve the above technical problem, the utility model adopts the technical scheme that:

[0007] A positioning chuck for hub X ray machine, including the connecting shaft of connecting X ray machine clamping mechanism, the connecting shaft is fixedly connected with the clamping part for the clamping of hub blank, the clamping part is the whole and is the longitudinal section shows the back-to-back type of rotary body, the upper disc body for positioning and clamping the hub blank is arranged on the clamping part and corresponds to the wheel rim part of the hub blank, the lower end of the clamping part is provided with the lower disc body for supporting the hub blank and corresponds to the lower edge of the hub blank.

[0008] Preferably, the upper disc body and the lower disc body have a containing space for accommodating the flash of the wheel lip part of the hub blank.

[0009] Preferably, the outer diameter of the lower disc body is provided with a wedge structure, so that the lower disc body has a frustum structure.

[0010] Preferably, the wedge structure has an inclination angle of 25-40°.

[0011] Preferably, the outer diameter of the upper disc body is provided with a tooth-shaped structure corresponding to the rim part of the hub blank.

[0012] Preferably, the upper disc body and the lower disc body are designed separately, and the upper disc body and the lower disc body are both provided with an axle hole corresponding to the connecting shaft, and the connecting shaft is arranged in the axle hole and is in transmission connection with the upper disc body and the lower disc body through a flat key.

[0013] Preferably, the upper disc body is provided with a connecting hole, the lower disc body is provided with a connecting screw hole corresponding to the connecting hole, the top end of the upper disc body is provided with a pressing plate, a connecting bolt penetrates through the pressing plate and the connecting hole of the upper disc body and is screwed into the connecting screw hole of the lower disc body.

[0014] Preferably, the top end of the connecting shaft is provided with a threaded hole, the pressing plate is provided with a center hole corresponding to the threaded hole, and a fastening bolt penetrates through the center hole of the pressing plate and is screwed into the threaded hole of the connecting shaft.

[0015] Preferably, the upper disc body and the lower disc body are both provided with a weight-reducing hole for reducing the weight of the collet.

[0016] The utility model discloses a beneficial effect lies in: the utility model discloses through setting up the upper disc body corresponding to the rim part of the hub blank, for performing the clamping action of the hub blank, has improved the setting of traditional collet corresponding to the wheel lip part of the hub blank, is influenced by the flash of wheel lip part and the like, and the positioning precision of hub blank is low, and the problem that cannot rotate or rotation angle is not in place appears, guarantees the detection efficiency and the detection quality of hub blank, the wedge structure that sets up on the lower disc body can effectively push the hub blank to the upper end of the lower disc body when clamping the hub blank, and the defect of influencing the out-of-roundness of wheel lip part, such as flash, is accommodated in the accommodation space formed between the upper disc body and the lower disc body, the problem that the flash and the like defects interfere with the rotation of the hub blank is avoided, the positioning precision is improved, the friction of the upper disc body and the rim part is increased by the setting of tooth-shaped structure, and the rotation precision and stability of the hub blank are guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0017] The utility model will be further explained in detail in combination with the drawings and specific embodiment.

[0018] Figure 1 It is cross section structure schematic diagram of the utility model.

[0019] Figure 2 It is the utility model's explosion view.

[0020] Figure 3 It is the structure schematic view of the use state of the utility model.

[0021] Figure 4 It is Figure 3 A-A direction structure schematic view.

[0022] In the figure: 1 - connecting shaft; 11 - threaded hole; 2 - upper disc body; 21 - toothed structure; 22 - connecting hole; 3 - lower disc body; 31 - wedge structure; 32 - connecting screw hole; 4 - containing space; 5 - shaft hole; 6 - pressing plate; 61 - center hole; 7 - weight-reducing hole. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be apparently and completely described below with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0024] As Figures 1-4 shown, a positioning chuck for wheel hub X-ray machine, including the connecting shaft 1 of connecting X-ray machine clamping mechanism, the clamping part for wheel hub blank clamping is fixedly connected on the connecting shaft 1, the clamping part is the whole longitudinal section and is the gyroid of I-shaped, the upper disc body 2 for positioning and clamping wheel hub blank is provided on the clamping part corresponding to the rim part of wheel hub blank. The lower end of clamping part is provided with the lower disc body 3 for supporting wheel hub blank corresponding to the lower edge of wheel hub blank. The containing space 4 for accommodating the flash of wheel hub blank lip part is between the upper disc body 2 and the lower disc body 3. When using, the connecting shaft 1 of connecting X-ray clamping mechanism drives the clamping part to translate to the center of detection platform synchronously, and the wheel hub blank transported to position is positioned and clamped, so that the rim part of wheel hub blank contacts the outer diameter of the upper disc body 2 of clamping part, and the positioning and clamping of wheel hub blank are formed.

[0025] As known in the art, the rim part of wheel hub blank usually has good roundness, and there is rarely flash defect, and the embodiment is provided with the upper disc body 2 corresponding to the rim part of wheel hub blank, which is used to perform the clamping action of wheel hub blank, improves the setting of traditional chuck corresponding to the lip part of wheel hub blank, is influenced by the flash of lip part and other conditions, and the positioning precision of wheel hub blank is low, and the wheel hub blank cannot be rotated or the rotation angle is not in place, so that the detection efficiency and detection quality of wheel hub blank are guaranteed.

[0026] As a preferred embodiment, as Figures 1-2As shown, the outer diameter of the lower disc body 3 is provided with a wedge structure 31, so that the lower disc body 3 has a frustum structure. When clamping the hub blank, the wheel lip part of the hub blank will slide contact the wedge structure 31 of the lower disc body 3, and under the guidance of the wedge structure 31, the hub blank will be pushed up to the upper end of the lower disc body 3, and at the same time, the flash and other defects affecting the roundness of the wheel lip part will be accommodated in the accommodation space 4 formed between the upper disc body 2 and the lower disc body 3, thereby avoiding the problem that the flash and other defects interfere with the rotation of the hub blank. Preferably, the inclination angle of the wedge structure 31 is 25-40°.

[0027] Preferably, the outer diameter of the upper disc body 2 is provided with a tooth structure 21 corresponding to the rim part of the hub blank. When clamped, the tooth structure 21 of the upper disc body 2 is clamped in the rim part of the hub blank, thereby forming stable clamping of the hub blank; when it is necessary to adjust the positioning angle of the hub blank, the upper disc body 2 is rotated under the driving of the connecting shaft 1, and the tooth structure 21 on the outer diameter of the upper disc body 2 will rub the rim part of the hub blank, thereby driving the hub blank to rotate by a certain angle. The tooth structure 21 increases the friction between the upper disc body 2 and the rim part, thereby ensuring the rotation accuracy of the hub blank.

[0028] Further, the tooth structure 21 extends a certain height in the thickness direction of the upper disc body 2, so as to increase the contact area between the tooth structure 21 and the hub blank, increase the clamping stability, and reduce the risk of scratching the hub part of the hub blank by the tooth structure 21.

[0029] Preferably, in order to facilitate processing and manufacturing, the upper disc body 2 and the lower disc body 3 are designed separately, and the upper disc body 2 and the lower disc body 3 are both provided with a shaft hole 5 corresponding to the connecting shaft 1, and the connecting shaft 1 is arranged in the shaft hole 5 and is drivingly connected to the upper disc body 2 and the lower disc body 3 through a flat key.

[0030] Further, the upper disc body 2 is provided with a connecting hole 22, the lower disc body 3 is provided with a connecting screw hole 32 corresponding to the connecting hole 22, the top end of the upper disc body 2 is provided with a pressing plate 6, a connecting bolt penetrates the pressing plate 6 and the connecting hole 22 of the upper disc body 2, and is screwed into the connecting screw hole 32 of the lower disc body 3, thereby connecting the upper disc body 2 and the lower disc body 3 into an integrated structure.

[0031] Further, the top end of the connecting shaft 1 is provided with a threaded hole 11, the pressing plate 6 is provided with a center hole 61 corresponding to the threaded hole 11, and a fastening bolt penetrates the center hole 61 of the pressing plate 6 and is screwed into the threaded hole 11 of the connecting shaft 1, thereby achieving fixed connection of the clamping with the connecting shaft 1.

[0032] Preferably, the upper disc body 2 and the lower disc body 3 are both provided with a weight-reducing hole 7, which is used to reduce the weight of the chuck, thereby reducing the load of the equipment.

[0033] The above disclosed is only specific embodiment of the present application, but the present application is not limited to this, for the ordinary skilled in the art, without departing from the principle of the present application, the deformation made should be considered as belonging to the present application protection.

Claims

1. A positioning chuck for a wheel hub X-ray machine, comprising a connecting shaft (1) connected to the X-ray machine clamping mechanism, wherein a clamping part for clamping a wheel hub blank is fixedly connected to the connecting shaft (1), characterized in that: The clamping part is a rotating body with an I-shaped longitudinal section. An upper plate (2) is provided on the clamping part corresponding to the rim part of the wheel hub blank for positioning and clamping the wheel hub blank. A lower plate (3) is provided at the lower end of the clamping part corresponding to the lower edge of the wheel hub blank for supporting the wheel hub blank. There is a receiving space (4) between the upper plate (2) and the lower plate (3) for accommodating the wheel lip part of the wheel hub blank. A wedge-shaped structure (31) is provided on the outer diameter of the lower plate (3) so that the lower plate (3) has a frustum structure. The inclination angle of the wedge-shaped structure (31) is 25-40°. Weight reduction holes (7) are provided on both the upper plate (2) and the lower plate (3) to reduce the counterweight of the clamp.

2. A positioning chuck for a hub X-ray machine according to claim 1, characterized in that: The outer diameter of the upper disc body (2) is provided with a toothed structure (21) corresponding to the rim part of the hub blank.

3. A positioning chuck for a hub X-ray machine according to claim 1, characterized in that: The upper plate (2) and the lower plate (3) are designed separately. The upper plate (2) and the lower plate (3) are provided with shaft holes (5) corresponding to the connecting shaft (1). The connecting shaft (1) passes through the shaft hole (5) and is connected to the upper plate (2) and the lower plate (3) by means of a flat key.

4. A positioning chuck for a hub X-ray machine according to claim 1, characterized in that: The upper plate (2) is provided with a connecting hole (22), and the lower plate (3) is provided with a connecting screw hole (32) corresponding to the connecting hole (22). The top of the upper plate (2) is provided with a pressure plate (6), and the connecting bolt passes through the pressure plate (6) and the connecting hole (22) of the upper plate (2), and is screwed into the connecting screw hole (32) of the lower plate (3).

5. A positioning chuck for a hub X-ray machine according to claim 1, characterized in that: The top end of the connecting shaft (1) is provided with a threaded hole (11), and the pressure plate (6) is provided with a center hole (61) corresponding to the threaded hole (11). The fastening bolt passes through the center hole (61) of the pressure plate (6) and is screwed into the threaded hole (11) of the connecting shaft (1).

Images