Bolt chamfering machining positioning jig

Abstract

The utility model belongs to the technical field of bolt jigs, and particularly relates to a bolt chamfering positioning jig which comprises a base and a support. The annular frame and the toothed ring frame are located at the left end and the right end of the base, a support is circumferentially installed in the space between the annular frame and the toothed ring frame, and an electric rotating part is arranged on the inner side of the lower end of the toothed ring frame to drive the toothed ring frame to rotate, so that the support is driven to rotate to replace bolts before and after machining in batches; a positioning sleeve is installed in the support and used for installing bolts in batches for machining. And the positioning shaft is located at the axis of the adjacent supports, and a top plate is installed above the positioning shaft through an electric expansion piece and used for controlling the bolt installation height. The bolt chamfering device can be used for continuously chamfering bolts in batches, the effects of angle inclination, direction adjustment and machining surface replacement are realized during batch machining, the operation is simple, and the overall machining time consumption is shortened at the same time.

Description

TECHNICAL FIELD

[0001] The utility model belongs to bolt fixture technical field, especially, relate to a bolt chamfer processing positioning fixture. BACKGROUND

[0002] Bolt chamfer processing refers to the chamfer or circular face cutting treatment on the head or thread part of the bolt, which improves its service life and performance, and is often matched with a positioning fixture for processing and production.

[0003] At present, the existing bolt fixture is often fixed by clamping when in use, which can easily cause deformation of the thread and low efficiency of clamping and processing.

[0004] To solve the above problems, a bolt chamfer processing positioning fixture is provided in the application. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a bolt chamfer processing positioning fixture, which solves the problems in the background art.

[0006] To solve the above technical problems, the utility model is implemented by the following technical scheme:

[0007] The utility model is a bolt chamfer processing positioning fixture, which comprises a base and a support, a ring frame and a gear ring frame are located at the left and right ends of the base, a support is installed between the ring frame and the gear ring frame in the internal periphery, an electric rotating part is arranged on the inner side of the lower end of the gear ring frame to drive the rotation of the gear ring frame, thereby driving the rotation of the support to replace the bolts before and after processing; a positioning sleeve is installed in the internal of the support for batch installation of the bolts for processing; a positioning shaft is located at the shaft center of the adjacent support, and a top plate is installed on the upper side of the positioning shaft through an electric telescopic device to control the installation height of the bolts; one end of the support is provided with a rotating shaft, and a rotating disc is installed at the end of the rotating shaft to drive the rotation of the bolts along the rotating shaft axis to adjust the processing angle; a transmission rod is located in the internal of the side frame on one side of the support and is engaged with the external gear ring in the internal of the positioning sleeve to drive the replacement of the processing surface of the bolts.

[0008] Further, the internal of the ring frame and the gear ring frame is provided with a ring groove, and the transmission rod is rotatably installed on the external of the convex disc on the internal side of the support.

[0009] Further, the internal of the side frame is provided with a hole for installing the transmission rod.

[0010] Further, one side of the hole is connected to the side groove in the internal of the support.

[0011] Further, the side groove is used to rotatably connect the external gear ring in the internal of the positioning sleeve cladding layer.

[0012] Further, the outer side of the ring-shaped frame is provided with a convex fixing disc coaxial with the rotating shaft.

[0013] Further, the inner side of one end of the rotating shaft is provided with an elastic telescopic rod connected to the rotating disc, for driving the positioning pins uniformly distributed on the circumference of the inner side to clasp the holes on the outer side of the fixing disc.

[0014] The utility model has the following beneficial effects:

[0015] The utility model discloses a toothed ring frame and support combination can install bolts in the positioning sleeve in batches, and the bottom end of the bolt is pressed by the top plate, so that the machining tool can perform batch chamfering on the bolt from above, and the continuous batch machining operation is formed by the rotating mode, which can shorten the production cycle, is convenient to use, can avoid damage to the thread to protect the product quality.

[0016] The utility model discloses a convex rotating shaft, which can rotate the bolt to different inclination angles by the side frame, and lock it by the rotating disc, so that the chamfering angle can be adjusted, the bolt can be turned over, the machining end face can be directly replaced, the effect of meeting various machining modes by one installation is achieved, the whole process is simpler and more practical, and is suitable for batch chamfering.

[0017] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages mentioned above. DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0019] Figure 1 It is the overall appearance structure schematic diagram of the utility model;

[0020] Figure 2 It is the jig internal partial structure schematic diagram of the utility model;

[0021] Figure 3 It is the support partial structure schematic diagram of the utility model;

[0022] Figure 4 It is the support and ring-shaped frame connecting partial structure schematic diagram of the utility model;

[0023] Figure 5 It is the A partial enlarged structure schematic diagram of the utility model;

[0024] In the drawings, the component list represented by each sign is as follows:

[0025] In the diagram: 1. Base; 2. Support; 3. Ring frame; 4. Gear ring frame; 5. Bracket; 6. Positioning sleeve; 7. Electric rotating part; 8. Top plate; 9. Positioning shaft; 10. Side frame; 11. Rotating shaft; 12. Rotating disk; 13. Fixed disk; 14. Elastic telescopic rod; 15. Positioning pin; 16. External gear ring; 17. Side groove; 18. Transmission rod. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] In the description of this utility model, it should be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around" and other terms indicating orientation or positional relationship are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0028] Please see Figures 1-5 As shown, this utility model is a positioning fixture for bolt chamfering, including a base 1 and a support 2;

[0029] The ring frame 3 and the toothed ring frame 4 are located at the left and right ends of the base 1. A bracket 5 is installed circumferentially between the ring frame 3 and the toothed ring frame 4. An electric rotating part 7 is provided on the inner side of the lower end of the toothed ring frame 4 to drive the toothed ring frame 4 to rotate, thereby driving the bracket 5 to rotate and replace the bolts before and after batch processing.

[0030] The bracket 5 has a positioning sleeve 6 installed inside, which is used for batch installation of bolts for processing;

[0031] The positioning shaft 9 is located at the center of the adjacent support 2. A top plate 8 is installed above it via an electric expansion joint to control the bolt installation height. The top plate 8 is made of rubber and can tighten and fix the threaded rod when the bolt is tilted to the left or right to ensure that the thread structure is not affected.

[0032] One end of the bracket 5 is provided with a rotating shaft 11 and a rotating disk 12 is installed at its end, which is used to drive the bolt to rotate along the axis of the rotating shaft 11 to adjust the processing angle;

[0033] Transmission rod 18, located inside the side frame 10 on one side of the support 5, is engaged with the external gear ring 16 inside the positioning sleeve 6, used to drive the bolt replacement processing surface;

[0034] The embodiment provides a jig for batch processing bolt chamfer, which utilizes the uniform distribution of the positioning sleeve 6 in combination with the circumferential uniform distribution of the support 5, can continuously replace during bolt chamfer processing, so that different groups of bolts are sequentially batch chamfered, and meanwhile, the plurality of processing surfaces of the bolt can be conveniently adjusted through the rotating shaft 11 and the transmission rod 18, or the bolt can be inclined to different angles, and the bolt can also be caused to perform chamfering processing in the up-down direction, so that different requirements during batch processing are met, the production cycle is shortened, and the processing quality is guaranteed.

[0035] The inside of the ring frame 3 and the inside of the gear ring frame 4 are both provided with annular grooves, and are rotatably installed outside the convex disc on the inside of the support 2; the support 5 is provided with a protruding support rod adjacent to one end of the gear ring frame 4, and is rotatably connected to the inside of the gear ring frame 4, so that the electric rotating part is rotatable in a synchronous manner with the ring frame 3 when the gear ring frame 4 is rotated.

[0036] The inside of the side frame 10 is provided with a hole for installing the transmission rod 18, and the hole is closed adjacent to one end of the gear ring frame 4, and is rotatably connected to the end of the transmission rod 18 to limit the transmission rod 18.

[0037] The hole is connected to the side groove 17 provided in the inside of the support 5 on one side, and is used to rotatably install the external gear ring 16 in the interlayer of the positioning sleeve 6, so that all the bolts can be rotated in a batch manner when the transmission rod 18 is rotated, so as to replace the processing surfaces in a batch manner.

[0038] The outside of the ring frame 3 is provided with a protruding fixing disc 13 coaxial with the rotating shaft 11, and the inside of one end of the rotating shaft 11 is provided with an elastic telescopic rod 14 connected to the rotating disc 12, which is used to drive the positioning pins 15 uniformly distributed in the circumferential direction of the inside of the rotating disc 12 to be clamped to the holes on the outside of the fixing disc 13; in use, the rotating disc 12 is first pulled outwards, so that the elastic telescopic rod 14 is stretched, and then the support 5 can be rotated to be inclined to meet the chamfering processing of different angles, and the bolts can also be caused to be aligned with the lower end part to perform chamfering processing, and after rotation, the elastic telescopic rod 14 can drive the positioning pins 15 to be clamped to the holes on the outside of the fixing disc 13.

[0039] It can be understood that the bolt can be continuously and batch chamfered, and the angle inclination, direction causing and replacement of the processing surface can be realized at the same time during batch processing, so that the overall processing time is shortened while the operation is simple.

[0040] A specific application of the operation flow of the embodiment is as follows: in use, first, the bolts are installed in the inside of the positioning sleeve 6 from the side, which can be installed one by one or in batches by a feeding mechanism of a production line; then, when the bolts rotate to the top, the top plate 8 is lifted out by the electric telescopic device at the upper end of the positioning shaft 9, so as to abut against the bolts and drive the bolts to adjust the installation position, and then the blocking effect of the positioning sleeve 6 and the machining tool above form a fixed upper and lower axial direction, so as to directly perform chamfering processing on the bolts, instead of the traditional rod clamping mode; further, during the processing, the side groove 17 is driven to rotate by the rotation of the transmission rod 18, so as to drive the bolts to rotate along the axial line thereof to adjust the processing surface, then the rotating shaft 11 is locked at different inclined angles by the clamping of the positioning pin 15 and the fixed disc 13, and the left and right inclination and inversion functions are added by the reversing function, so that the machining tool is fixed at the predetermined position, and only the up and down movement of the machining tool is needed to complete the batch chamfering processing of different angles and different surfaces; finally, when the next group of bolts rotates to the top, the processed bolts can be directly taken out for discharging, and then new bolts are installed to form a rotating continuous processing operation.

[0041] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0042] The preferred embodiments of the application disclosed above are only used to help explain the application. The preferred embodiments do not describe all the details and limit the application to the specific embodiments described. Obviously, according to the content of the present specification, many modifications and changes can be made. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the application, so that those skilled in the art can well understand and utilize the application. The application is limited by the claims and the entire scope and equivalents thereof.

Claims

1. A bolt chamfering positioning fixture, comprising a base (1) and a support (2), characterized in that: The ring frame (3) and the toothed ring frame (4) are located at the left and right ends of the base (1). A bracket (5) is installed circumferentially between the ring frame (3) and the toothed ring frame (4). An electric rotating part (7) is provided on the inner side of the lower end of the toothed ring frame (4) to drive the toothed ring frame (4) to rotate, thereby driving the bracket (5) to rotate to replace bolts before and after batch processing. The bracket (5) is equipped with a positioning sleeve (6) for batch installation of bolts for processing; The positioning shaft (9) is located at the center of the adjacent support (2), and a top plate (8) is installed above it via an electric expansion joint to control the bolt installation height; One end of the bracket (5) is provided with a rotating shaft (11) and a rotating disk (12) is installed at its end, which is used to drive the bolt to rotate along the axis of the rotating shaft (11) to adjust the processing angle; The transmission rod (18) is located inside the side frame (10) on one side of the bracket (5) and meshes with the external toothed ring (16) inside the positioning sleeve (6) to drive the bolt to change the machined surface.

2. The bolt chamfering positioning fixture according to claim 1, characterized in that: Both the ring frame (3) and the toothed ring frame (4) have annular grooves inside, which are rotatably mounted on the outside of the inner convex plate of the support (2).

3. The bolt chamfering positioning fixture according to claim 1, characterized in that: The side frame (10) has holes inside for installing the transmission rod (18).

4. The bolt chamfering positioning fixture according to claim 3, characterized in that: One side of the hole is connected to a side groove (17) inside the bracket (5).

5. The bolt chamfering positioning fixture according to claim 4, characterized in that: The side groove (17) is used to rotatably connect the outer toothed ring (16) inside the interlayer of the positioning sleeve (6).

6. The bolt chamfering positioning fixture according to claim 1, characterized in that: The outer side of the ring frame (3) is provided with a protruding fixing plate (13) that is coaxial with the rotating shaft (11).

7. The bolt chamfering positioning fixture according to claim 6, characterized in that: One end of the rotating shaft (11) is provided with an elastic telescopic rod (14) connected to the rotating disk (12), which is used to drive the positioning pins (15) evenly distributed on its inner circumference to engage with the holes on the outer side of the fixed disk (13).

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