Push groove shell universal joint drilling positioning tool

Abstract

The utility model discloses a push slot shell universal joint drilling positioning tool. The problems that in the drilling process of traditional universal joint products, the automation degree is low, the drilling effect is poor, drilling positioning is inaccurate, drilling deviation is prone to occurring, and the yield is low are mainly solved. The device is characterized in that the core rod (11) is rotatably installed on the first support and used for being sleeved with a spline groove (91) of the universal joint; the positioning mechanism is arranged on the first bracket and is used for locking the core rod after the core rod rotates by a fixed angle; the center (21) is arranged on the second support and driven by a first power source (111) to move front and back, the guide plate (3) is provided with a guide hole (31), and the guide hole is formed above the core rod and used for allowing a drill bit to penetrate through. According to the push groove shell universal joint drilling and positioning tool, accurate positioning and high-precision machining of a drilled hole in an external spline are achieved, one-time clamping and drilling are achieved, errors in the machining process are reduced, and product quality is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of automobile parts, concretely relates to push groove shell universal joint drilling positioning frock. BACKGROUND

[0002] At present, in the drilling process of push groove shell universal joint products, the degree of automation is low, the drilling effect is poor, the drilling positioning is not accurate, the drilling is prone to deviation, the yield is low, and accurate positioning is difficult to realize, resulting in poor positioning or poor clamping during the machining process, and defective products are prone to occur. INVENTION CONTENTS

[0003] In order to overcome the deficiency of the background art, the utility model provides push groove shell universal joint drilling positioning frock, mainly solves the problems of low degree of automation, poor drilling effect, inaccurate drilling positioning, and low yield in the drilling process of traditional universal joint products.

[0004] The technical scheme of the utility model provides,

[0005] The push groove shell universal joint drilling positioning frock comprises a first support and a second support arranged oppositely,

[0006] The core rod is rotatably installed on the first support and is used for sleeving the spline groove of the universal joint;

[0007] The positioning mechanism is arranged on the first support and is used for locking the core rod after the core rod rotates by a fixed angle;

[0008] The tailstock is arranged on the second support and is driven by a first power source to move forward and backward,

[0009] The guide plate is provided with a guide hole, and the guide hole is arranged above the core rod and used for the drill bit to pass through.

[0010] Further comprising a turntable, the turntable is connected with the core rod in linkage, and further comprising a second power source used for driving the turntable to rotate.

[0011] The second power source is a first air cylinder, a rack is connected to the driving shaft of the first air cylinder, and a transmission gear meshing with the rack is arranged on the turntable.

[0012] The first power source is a second air cylinder installed on the second support, and the driving rod of the second air cylinder is connected with the tailstock.

[0013] The positioning mechanism comprises a gear slot arranged in the circumference of the turntable, a gear block arranged on the support, and a third power source driving the gear block to move, and the gear block is driven by the third power source to extend into or leave the gear slot.

[0014] The third power source is an air cylinder.

[0015] The gasket is detachably mounted on the core rod in a circumferential direction.

[0016] The gear slot is a V-shaped slot.

[0017] An angle between adjacent gear slots is 90°.

[0018] The utility model discloses a push groove shell universal joint drilling positioning tool, accurate positioning and high-precision processing of drilling on the external spline, one-time clamping drilling, reduce the error in the processing, improve product quality. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the sectional view schematic drawing of the first embodiment of the utility model.

[0020] Figure 2 It is the sectional view schematic drawing of the first embodiment of the utility model. Figure 1 It is the enlarged schematic drawing of A place in the middle.

[0021] Figure 3 It is the sectional view schematic drawing of the first embodiment of the utility model.

[0022] Figure 4 It is the sectional view schematic drawing of the first embodiment of the utility model. Figure 1 It is the enlarged schematic drawing of B place in the middle. DETAILED DESCRIPTION

[0023] The utility model discloses a push groove shell universal joint drilling positioning tool, accurate positioning and high-precision processing of drilling on the external spline, one-time clamping drilling, reduce the error in the processing, improve product quality.

[0024] In the embodiment, as shown in the figure, it also includes the turntable 13, the turntable is connected with the core rod linkage, also includes the second power source 14 for driving the turntable rotation. Can install the core rod on the turntable through screw etc., and the second power source can be air cylinder or motor etc.

[0025] In the embodiment, as shown in the drawings, the second power source is a first cylinder, a rack 15 is connected to the driving shaft of the first cylinder, and a transmission gear 131 is arranged on the rotating disc and engaged with the rack. The structure that the rotating disc is driven to rotate by the rack pulled by the cylinder is simple in overall result and convenient to disassemble and assemble.

[0026] In the embodiment, as shown in the drawings, the first power source is a second cylinder mounted on the second support, and the driving rod of the second cylinder is connected with the tailstock center. The tailstock center is driven to move forward and backward.

[0027] In the embodiment, as shown in the drawings, the positioning mechanism comprises gear grooves 41 arranged in the circumferential direction of the rotating disc, gear blocks 42 arranged on the support, and a third power source 43 for driving the gear blocks to move, the gear blocks being driven by the third power source to extend into or leave the gear grooves. After being positioned, the positioning is realized by inserting the gear blocks, the gear blocks prevent the tailstock center from moving, and the drilling hole is accurately positioned.

[0028] In the embodiment, as shown in the drawings, the third power source is a cylinder, which is used to drive the gear blocks to move forward and backward.

[0029] In the embodiment, as shown in the drawings, the gasket 112 is detachably mounted in the circumferential direction of the core rod. The drilling position is adjusted by replacing gaskets with different thicknesses, and the right end surface of the universal joint is in contact with the gasket.

[0030] In the embodiment, as shown in the drawings, the gear groove is a V-shaped groove.

[0031] In the embodiment, as shown in the drawings, the angle between adjacent gear grooves is 90°.

[0032] In the description of the utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0033] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0034] The embodiments described with reference to the drawings are exemplary and are intended to serve for the explanation of the present application and cannot be understood as a limitation of the present application. The embodiments should not be regarded as a limitation of the present application, but any improvement made on the basis of the spirit of the present application should be within the scope of protection of the present application.

Claims

1. A push groove shell universal joint drilling positioning tool, comprising a first support (1) and a second support (2) arranged oppositely, characterized in that: a core rod (11) is rotatably installed on the first support and is used for sleeving a spline groove (91) of a universal joint; a positioning mechanism is arranged on the first support and is used for locking the core rod after the core rod rotates by a fixed angle; a center (21) is arranged on the second support and is driven by a first power source (111) to move forward and backward, a guide plate (3) is provided with a guide hole (31) arranged above the core rod for a drill bit to pass through.

2. The push slot shell universal joint drilling positioning tool according to claim 1, characterized in that: Further comprising a turntable (13) connected with the core rod in linkage, and further comprising a second power source (14) for driving the turntable to rotate.

3. The push slot shell universal joint drilling positioning tool according to claim 2, characterized in that: The second power source is a first air cylinder, a rack (15) is connected to a driving shaft of the first air cylinder, and a transmission gear (131) is arranged on the turntable and engaged with the rack.

4. The push slot shell universal joint drilling positioning tool according to claim 3, characterized in that: The first power source is a second air cylinder installed on the second support, and a driving rod of the second air cylinder is connected with the center.

5. The push slot shell universal joint drilling positioning tool according to claim 4, characterized in that: The positioning mechanism comprises a gear slot (41) arranged circumferentially on the turntable, a gear block (42) arranged on the support, and a third power source (43) for driving the gear block to move, 6. The push slot shell universal joint drilling positioning tool of claim 5, wherein: The gear block is driven by the third power source to extend into or out of the gear slot.

7. The bushing shell gimbal drilling positioning fixture of claim 6, wherein: The third power source is an air cylinder.

8. The bushing shell gimbal drilling positioning fixture of claim 7, wherein: The core rod is circumferentially detachably installed with a gasket (112).

9. The bushing shell gimbal drilling positioning fixture of claim 8, wherein: The gear slot is a V-shaped slot. The angle between adjacent gear slots is 90°.

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