Nut machining detection device

Abstract

The utility model relates to the field of screw production. The utility model discloses a nut processing detection device which comprises a limiting support, a rotating assembly, a lifting platform and a plurality of detection units, a feeding port is formed in one end of the upper surface of the limiting support, and a first circular groove, a second circular groove and a third circular groove are formed in the center of the upper surface of the limiting support. The rotating assembly comprises a first rotating disc and a second rotating disc, a plurality of workpiece containing grooves are evenly formed in the edge of the second rotating disc at intervals, the lifting platform is slidably arranged above the limiting support in the vertical direction, the detection units are arranged on the upper surface of the lifting platform in an annular array mode, and each detection unit comprises a balancing weight and a detection rod. And the diameters of the detection rods are sequentially decreased along the rotation direction of the second turntable. And the lifting platform descends to drive each detection rod to be inserted into the through hole of the static disc nut, and the aperture of the through hole of the static disc nut is detected through the plurality of detection rods with different diameters, so that the static disc nut is automatically detected.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of screw production, in particular to a nut processing detection device. BACKGROUND

[0002] Disc brake is a kind of brake product widely used in bicycle, disc brake is through main body built-in single side compression disc brake deceleration principle.Main body built-in is the important link of disc brake main body actuation, smooth and stable powerful actuation can keep the effectiveness of brake braking.The brake assembly of the bicycle disc brake includes screw, static disc nut and a plurality of balls.During assembly, the screw will pass through the through hole of the center position of the static disc nut.Due to use, the static disc nut will rotate.Working static disc nut will rotate on the screw.When the size of the through hole of the center position of the static disc nut does not meet the size standard, the relative rotation of the static disc nut and the screw will be blocked, and the defective product is generated. CONTENT OF THE UTILITY MODEL

[0003] The utility model discloses a kind of nut processing detection devices, the size specification of the through hole of the center position of multiple static disc nut can be gradient detection, guarantee the through hole size of the center position of static disc nut meets the requirement, avoid the relative rotation of static disc nut and screw is blocked.

[0004] To achieve the above object, the utility model adopts the following technical scheme: a kind of nut processing detection device, comprising:

[0005] The upper surface of the limiting support is provided with a feed inlet at one end, and the center position of the upper surface of the limiting support is provided with a first circular groove, a second circular groove and a third circular groove, the first circular groove, the second circular groove and the third circular groove are coaxially connected in order from top to bottom, and the first circular groove, the second circular groove and the third circular groove are communicated with the feed inlet;

[0006] The rotating assembly includes a first rotating disc and a second rotating disc, the first rotating disc and the second rotating disc are connected in order from top to bottom, the second rotating disc is rotatably arranged inside the third circular groove, the first rotating disc is sleeved at the center position of the second circular groove, the diameter of the first rotating disc is smaller than the diameter of the second rotating disc, a plurality of workpiece accommodating grooves are uniformly and interval provided at the edge position of the second rotating disc, and the edge position of the first rotating disc abuts against the middle part of the workpiece;

[0007] The lifting platform is vertically slidably arranged above the limiting support;

[0008] A plurality of detection units are arranged in a circular array on the upper surface of the lifting platform, each of the detection units comprising a counterweight and a detection rod, the counterweight being arranged on the upper surface of the lifting platform, the detection rod being detachably arranged on the counterweight, the detection rod sequentially penetrating the counterweight and the lifting platform from top to bottom, the diameter of the detection rod sequentially decreasing along the rotation direction of the second turntable.

[0009] Preferably, the workpiece accommodating groove is vertically projected upward on the lower surface of the second turntable at one end close to the center line of the second turntable.

[0010] Preferably, the diameter of the second circular groove is smaller than the diameter of the first circular groove, and the diameter of the second circular groove is smaller than the diameter of the third circular groove.

[0011] Preferably, the lower surface of the limiting support is provided with a discharge groove, the upper end of the discharge groove being in communication with the third circular groove, and the center line of the discharge groove intersecting the rotation track of the workpiece accommodating groove.

[0012] Preferably, the detection rod comprises a first rod and a second rod, the first rod and the second rod being sequentially connected in the vertical direction, and the diameter of the first rod being larger than the diameter of the second rod.

[0013] Preferably, the nut machining and detecting device further comprises a plurality of lifting devices, the plurality of lifting devices being uniformly and spacedly arranged around the limiting support, and the upper ends of the plurality of lifting devices being arranged on the lifting platform.

[0014] Preferably, each of the lifting devices comprises a gas cylinder and a guide rod, the gas cylinder being arranged on one side of the limiting support, the gas cylinder comprising a piston rod, the piston rod being a hollow shaft, the upper end of the piston rod being in abutment with the lower surface of the lifting platform, the guide rod being arranged on the lower surface of the lifting platform, and the guide rod being slidingly arranged inside the piston rod.

[0015] Preferably, the nut machining and detecting device further comprises a cam divider, the limiting support and the cam divider being sequentially connected from top to bottom, the output shaft of the cam divider penetrating the lower surface of the limiting support and extending into the third circular groove, and the output shaft of the cam divider being arranged at the center position of the second turntable.

[0016] Preferably, the counterweight is provided with a central hole, the first rod penetrating the central hole, the side surface of the counterweight being provided with a threaded hole in vertical communication with the central hole, the threaded hole being threadedly connected with a set screw, and one end of the set screw being in abutment with the circumferential surface of the first rod.

[0017] The beneficial effects of this invention are as follows: The stationary disc nut is placed inside the workpiece receiving groove of the second turntable. An inverted T-shaped groove is formed between the second circular groove and the first turntable and workpiece receiving groove, preventing the stationary disc nut from rising when the detection rods ascend. The lowering of the lifting platform causes each detection rod to insert into the through hole of the stationary disc nut, and the diameter of the through hole is detected by multiple detection rods of different diameters, thus automating the detection of the stationary disc nut. Attached Figure Description

[0018] The accompanying drawings further illustrate the present invention, but the embodiments in the drawings do not constitute any limitation on the present invention.

[0019] Figure 1 This is a schematic diagram of the structure of a nut processing and testing device provided in an embodiment of the present invention;

[0020] Figure 2 for Figure 1 The image provided is a magnified view of region A.

[0021] Figure 3 This is a schematic diagram of the structure of a rotating assembly provided in an embodiment of the present invention;

[0022] Figure 4 This is a schematic diagram of the structure of a limiting bracket provided in an embodiment of the present invention.

[0023] Reference numerals in the attached drawings: 1: Limiting bracket; 2: First circular groove; 3: Second circular groove; 4: Third circular groove; 5: First turntable; 6: Second turntable; 7: Lifting platform; 8: Counterweight. Detailed Implementation

[0024] The specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for illustration and explanation only and are not intended to limit the scope of this utility model.

[0025] It should be noted that, in this utility model, unless otherwise stated, when an element is referred to as "fixed to" or "set on" another element, it can be directly on the other element or an intervening element may be present simultaneously. When an element is referred to as "connected to" another element, it can be directly connected to the other element or an intervening element may be present simultaneously. The directional terms used, such as "up," "down," "left," and "right," generally refer to... Figure 1 The directions shown are up, down, left, and right. "Inner" and "outer" refer to the inner and outer parts of a specific outline. "Far" and "near" refer to the distance or proximity relative to a particular component.

[0026] like Figures 1-4 As shown in the figure, an embodiment of the present invention provides a nut processing inspection device, comprising:

[0027] The limiting support 1 is provided with an inlet at one end of the upper surface, and a first circular groove 2, a second circular groove 3 and a third circular groove 4 are arranged at the central position of the upper surface of the limiting support 1, which are coaxially connected in sequence from top to bottom, and are in communication with the inlet.

[0028] The rotating assembly comprises a first rotating disc 5 and a second rotating disc 6, which are connected in sequence from top to bottom, and the second rotating disc 6 is rotatably arranged in the third circular groove 4, the first rotating disc 5 is sleeved at the central position of the second circular groove 3, the diameter of the first rotating disc 5 is smaller than that of the second rotating disc 6, and a plurality of workpiece accommodating grooves are uniformly arranged at the edge position of the second rotating disc 6, and the edge position of the first rotating disc 5 abuts against the middle part of the workpiece.

[0029] The lifting platform 7 is vertically arranged above the limiting support 1.

[0030] A plurality of detection units are arranged in an annular array on the upper surface of the lifting platform 7, each detection unit comprises a counterweight 8 and a detection rod, the counterweight 8 is arranged on the upper surface of the lifting platform 7, the detection rod is detachably arranged on the counterweight 8, the detection rod penetrates the counterweight 8 and the lifting platform 7 in sequence from top to bottom, and the diameter of the detection rod decreases in sequence along the rotation direction of the second rotating disc 6.

[0031] The workpiece accommodating groove is vertically projected upward on the lower surface of the second rotating disc 6 at one end close to the center line of the second rotating disc 6. When the static disc nut is conveyed, it will be inverted in the limiting support, the second rotating disc 6 will press the lower end of the static disc nut, and the static disc nut is limited by the second rotating disc 6.

[0032] The diameter of the second circular groove 3 is smaller than that of the first circular groove 2, and the diameter of the second circular groove 3 is smaller than that of the third circular groove 4. The first circular groove and the second circular groove can be exchanged for use, which expands the application range.

[0033] The lower surface of the limiting support 1 is provided with a discharge groove, the upper end of the discharge groove is in communication with the third circular groove 4, and the center line of the discharge groove intersects with the rotation track of the workpiece accommodating groove. The nut is conveyed along the clockwise direction, and the detected nut will fall through the discharge groove into the collection container.

[0034] The detection rod comprises a first rod and a second rod, which are connected in sequence along the vertical direction, and the diameter of the first rod is larger than that of the second rod. The second rod is used for detecting the nut.

[0035] The nut machining detection device further comprises a plurality of lifting devices, the plurality of lifting devices are evenly spaced around the limiting support 1, and upper ends of the plurality of lifting devices are arranged on the lifting platform 7.

[0036] Each of the lifting devices comprises a cylinder and a guide rod, the cylinder is arranged on one side of the limiting support 1, the cylinder comprises a piston rod, the piston rod is a hollow shaft, an upper end of the piston rod is in abutment with a lower surface of the lifting platform 7, the guide rod is arranged on the lower surface of the lifting platform 7, and the guide rod is slidingly arranged in the piston rod.

[0037] The nut machining detection device further comprises a cam divider, the limiting support 1 and the cam divider are sequentially connected from top to bottom, an output shaft of the cam divider penetrates through a lower surface of the limiting support 1 and extends into the third circular groove 4, and the output shaft of the cam divider is arranged at a center position of the second turntable 6.

[0038] The counterweight 8 is provided with a central hole, the first rod penetrates through the central hole, the counterweight 8 is provided with a threaded hole in perpendicular communication with the central hole on a side surface, the threaded hole is threadedly connected with a set screw, and one end of the set screw is in abutment with a circumferential surface of the first rod.

[0039] The working principle of the utility model is as follows: the static disc nut is placed in the workpiece containing groove of the second turntable 6, one end of the static disc nut is limited through the second circular groove 3 on the limiting support 1, and the other end of the static disc nut is limited through the first turntable 5. When the lifting device rises, the lifting platform 7 is lifted. When the lifting device resets, the lifting platform 7 will be lowered under the action of the gravity of the counterweight 8, and the lowering of the lifting platform 7 will drive each detection rod to be inserted into the through hole of the static disc nut.

[0040] Each technical feature of the above-described embodiments can be combined arbitrarily, and, in order to make the description concise, all possible combinations of the technical features in the above-described embodiments are not described. It should be noted that, for those skilled in the art, without departing from the concept of the utility model, a plurality of modifications and improvements can be made, and these should be considered as falling within the scope of the present disclosure.

Claims

1. A nut machining inspection apparatus characterized by comprising: The utility model provides a workpiece processing device, including: A limiting support, the upper surface of the limiting support is provided with an inlet at one end, and the center of the upper surface of the limiting support is provided with a first circular groove, a second circular groove and a third circular groove, the first circular groove, the second circular groove and the third circular groove are coaxially connected in sequence from top to bottom, and the first circular groove, the second circular groove and the third circular groove are communicated with the inlet; A rotating assembly, the rotating assembly includes a first rotating disc and a second rotating disc, the first rotating disc and the second rotating disc are connected in sequence from top to bottom, the second rotating disc is rotatably arranged in the third circular groove, the first rotating disc is sleeved at the center of the second circular groove, the diameter of the first rotating disc is smaller than the diameter of the second rotating disc, the edge of the second rotating disc is uniformly provided with a plurality of workpiece accommodating grooves, and the edge of the first rotating disc is in abutment with the middle of the workpiece; A lifting platform, the lifting platform is vertically arranged above the limiting support; A plurality of detection units, the detection units are arranged in an annular array on the upper surface of the lifting platform, each detection unit includes a counterweight and a detection rod, the counterweight is arranged on the upper surface of the lifting platform, the detection rod is detachably arranged on the counterweight, the detection rod penetrates the counterweight and the lifting platform in sequence from top to bottom, and the diameter of the detection rod decreases in sequence along the rotation direction of the second rotating disc.

2. The nut processing inspection apparatus of claim 1, wherein: The workpiece accommodating groove is vertically projected upward on the lower surface of the second rotating disc at one end close to the center line of the second rotating disc.

3. The nut processing inspection apparatus of claim 1, wherein: The diameter of the second circular groove is smaller than the diameter of the first circular groove, and the diameter of the second circular groove is smaller than the diameter of the third circular groove.

4. The nut processing inspection apparatus of claim 1, wherein: The lower surface of the limiting support is provided with a discharge groove, the upper end of the discharge groove is communicated with the third circular groove, and the center line of the discharge groove intersects with the rotation track of the workpiece accommodating groove.

5. The nut processing inspection apparatus of claim 2, wherein: The detection rod includes a first rod and a second rod, the first rod and the second rod are connected in sequence along the vertical direction, and the diameter of the first rod is greater than the diameter of the second rod.

6. The nut processing inspection apparatus of claim 1, wherein: Further comprising a plurality of lifting devices, the plurality of lifting devices are uniformly and spacedly arranged around the limiting support, and the upper ends of the plurality of lifting devices are arranged on the lifting platform.

7. The nut processing inspection apparatus of claim 6, wherein: Each lifting device includes a gas cylinder and a guide rod, the gas cylinder is arranged on one side of the limiting support, the gas cylinder includes a piston rod, the piston rod is a hollow shaft, the upper end of the piston rod is in abutement with the lower surface of the lifting platform, the guide rod is arranged on the lower surface of the lifting platform, and the guide rod is slidingly arranged in the piston rod.

8. The nut processing inspection apparatus of claim 1, wherein: Further comprising a cam divider, the limiting support and the cam divider are connected in sequence from top to bottom, the output shaft of the cam divider penetrates the lower surface of the limiting support and extends into the third circular groove, and the output shaft of the cam divider is arranged at the center of the second rotating disc.

9. The nut processing inspection apparatus of claim 5, wherein: The counterweight is provided with a center hole, the first rod penetrates the center hole, the side surface of the counterweight is provided with a threaded hole which is vertically communicated with the center hole, the threaded hole is threadedly connected with a set screw, and one end of the set screw is in abutement with the circumferential surface of the first rod.

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