Accurate grinding equipment for automobile bolts

Abstract

The utility model discloses precise grinding equipment for automobile bolts, relates to the field of bolt machining, solves the problem that an existing device is difficult to efficiently grind and machine threaded columns of bolt pieces according to requirements, and adopts the following scheme that the precise grinding equipment comprises a support, a micro motor and an electric cylinder seat, and the micro motor and the electric cylinder seat are installed on the support and opposite in position; the outer end of an output shaft of the micro motor is fixedly connected with a limiting seat, a stepped clamping groove is formed in the front side of the limiting seat, and the clamping groove is a notch matched with a bolt head in specification; the outer end of an output shaft of the electric cylinder base is fixedly connected with a bearing barrel, the outer end of the bearing barrel is fixedly connected with a polishing barrel, and the polishing barrel is a columnar barrel. According to the precise grinding equipment for the automobile bolt, through the arrangement of the support and all assemblies on the inner side of the support, the bearing barrel can be driven by the electric cylinder base to move left and right on the outer side of a threaded column of a bolt piece and synchronously rotate under the influence of threaded sleeving, and the threaded column of the bolt piece is efficiently ground through the hemispherical grinding force on the inner side of the bearing barrel.

Description

Technical Field

[0001] The utility model relates to the technical field of bolt processing, in particular to a precision grinding device for automobile bolts. Background Art

[0002] Bolts are mechanical parts, and are cylindrical threaded fasteners that are matched with nuts. They consist of two parts: the head and the screw (a cylinder with external threads). They must be matched with nuts to fasten and connect two parts with through holes.

[0003] After searching, the application with patent application number CN202320823863.3 discloses a precision grinding device for automobile bolts, which relates to the technical field of automobile bolt processing. The utility model includes a bottom plate, a limit groove is provided in the bottom plate, a turntable is arranged in the limit groove, the turntable is rotatably connected to the limit groove, a disc is arranged at the bottom of the turntable, the disc is fixedly connected to the turntable, a friction ball is arranged on the outer surface of the disc, the friction ball is fixedly connected to the disc, and a dial is arranged at the bottom of the bottom plate, and the dial is arranged on the outside of the disc. The utility model can limit and fix automobile bolts of different models through the extrusion plate by setting the dial, disc, friction ball, limit groove, turntable, plug rod, groove, slide plate and extrusion plate for coordinated use, and at the same time, the bolt can be rotated according to actual needs, and then different surfaces of the bolt can be polished, thereby improving the quality and efficiency of the grinding of the bolt. At the same time, the rotation angle of the bolt can be displayed by observing the dial, thereby improving the accuracy of the bolt grinding;

[0004] The above application document realizes efficient grinding of the outer wall of the bolt through the setting of various components. However, due to the flat grinding, the setting of the thread on the stud may tend to be flat due to the contact with the grinding part, affecting its own quality. Therefore, how to efficiently grind the stud part has become an urgent problem to be solved.

[0005] Therefore, we proposed a precision grinding equipment for automobile bolts. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model provides a precise grinding device for automobile bolts, which solves the problem that the prior devices are difficult to efficiently grind the threaded columns of bolt parts according to requirements.

[0007] To achieve the above objectives, the utility model is implemented through the following technical solutions: a precise grinding device for automobile bolts, including a support and a micro motor and an electric cylinder seat mounted thereon and positioned relatively thereon;

[0008] The outer end of the micro-motor output shaft is fixedly connected to a limit seat, and a stepped slot is provided on the front side of the limit seat, and the slot is a notch that matches the specifications of the bolt head;

[0009] The outer end of the output shaft of the electric cylinder seat is fixedly connected to a bearing cylinder, and the outer end of the bearing cylinder is fixedly connected to a grinding cylinder. The grinding cylinder is a columnar cylinder, and a thread grinding groove matching the specifications of the thread column on the bolt is opened on the inner wall of the grinding cylinder, and a hemispherical grinding portion is provided on the inner wall of the thread grinding groove.

[0010] Preferably, the support is a U-shaped support, a micro motor is fixedly mounted on the right side wall of the support, and an electric cylinder seat opposite to the micro motor is fixedly mounted on the inner wall on the left side of the support;

[0011] The setting of the support shape facilitates the horizontal placement of the bolt member and the efficient grinding of the thread groove on the threaded column thereon.

[0012] Preferably, the main body of the bearing cylinder is a cylinder, and the two ends of the cylinder are respectively assembled on the output shaft of the electric cylinder seat and the end wall of the grinding cylinder through bearing rings;

[0013] The arrangement of the bearing cylinder facilitates the grinding cylinder to move laterally outside the threaded column of the threaded part, and utilizes the grinding portion inside the grinding cylinder to grind it efficiently.

[0014] Preferably, the slot is a slot opening extending outward from the inside to the outside, the slot is a regular hexagonal slot, and a pressure seat located outside the fastening bolt and between the fastening bolts is mounted on the inner side of the slot;

[0015] Among them, the setting of the pressure seat can be blocked in the slot, and cooperate with the limit seat to clamp the threaded part, so as to ensure the limiting effect and avoid the occurrence of instability and looseness during the grinding process.

[0016] Preferably, the pressure seat is provided with three sizes of large, medium and small according to the different diameters of the slot opening, and a column groove matching the specification of the threaded column of the fastening bolt is opened on the inner side of the pressure seat.

[0017] The utility model provides a precise grinding device for automobile bolts, which has the following beneficial effects:

[0018] 1. The automobile bolt precision grinding equipment, through the arrangement of the support and its inner components, can drive the bearing cylinder to move left and right on the outer side of the bolt thread column by the electric cylinder seat and rotate synchronously under the influence of the thread set, and use the hemispherical grinding force on the inner side to efficiently grind the bolt thread column, solving the problem that the existing device is difficult to efficiently grind the bolt thread column according to the demand;

[0019] 2. The automobile bolt precision grinding equipment can drive the limit seat to rotate in the opposite direction of the grinding cylinder through the setting of the micro motor, thereby efficiently grinding the thread groove on the thread column of the inner threaded part, increasing the grinding rate and ensuring the grinding effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 It is a structural schematic diagram of the support of the utility model;

[0022] Figure 3 This is a schematic diagram of the structure of the limit seat of the utility model;

[0023] Figure 4 It is a structural schematic diagram of the grinding cylinder of the utility model.

[0024] In the figure: 1, support; 2, micro motor; 3, electric cylinder seat; 4, limit seat; 41, slot; 5, bearing cylinder; 6, grinding cylinder; 7, pressure seat. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-4 The embodiment of the utility model provides a technical solution: a precise grinding device for automobile bolts, comprising a support 1 and a micro motor 2 and an electric cylinder seat 3 installed thereon in relative positions; the outer end of the output shaft of the micro motor 2 is fixedly connected to the limit seat 4, and the front side of the limit seat 4 is provided with a stepped card slot 41, and the card slot 41 is a notch adapted to the specifications of the bolt head; the outer end of the output shaft of the electric cylinder seat 3 is fixedly connected to a bearing cylinder 5, and the outer end of the bearing cylinder 5 is fixedly connected to a grinding cylinder 6, which is a columnar cylinder, and the inner wall of the grinding cylinder 6 is provided with a thread grinding groove adapted to the specifications of the thread column on the bolt, and a hemispherical grinding portion is provided on the inner wall of the thread grinding groove;

[0027] Among them, the automobile bolt precision grinding equipment, through the arrangement of the support 1 and its inner components, can drive the bearing cylinder 5 to move left and right on the outside of the bolt thread column by the electric cylinder seat 3 and rotate synchronously under the influence of the threaded sleeve, and utilizes the hemispherical grinding force on the inner side to efficiently grind the bolt thread column, solving the problem that the existing device is difficult to efficiently grind the bolt thread column according to demand.

[0028] Embodiment 2: The support 1 is a U-shaped support, a micro motor 2 is fixedly mounted on the right side wall of the support 1, and an electric cylinder seat 3 opposite to the micro motor 2 is fixedly mounted on the inner wall on the left side of the support 1; wherein, the shape of the support 1 is convenient for horizontal placement of the bolt and efficient grinding of the thread groove on the threaded column thereon.

[0029] The main body of the bearing tube 5 is a cylinder, and the two ends of the cylinder are respectively assembled on the output shaft of the electric cylinder seat 3 and the end wall of the grinding tube 6 through bearing rings; wherein, the setting of the bearing tube 5 facilitates the pushing of the grinding tube 6 to move laterally on the outside of the threaded column of the threaded part, and utilizes the grinding part on its inner side to efficiently grind it.

[0030] The slot 41 is a slot that expands outward from the inside to the outside. The slot 41 is a regular hexagonal slot, and the inner side of the slot 41 is clamped with a pressure seat 7 located outside and between the fastening bolts; wherein, the pressure seat 7 is configured to be plugged in the slot 41, and cooperate with the limit seat 4 to clamp the threaded part, thereby ensuring the limiting effect and avoiding the occurrence of unstable loosening during the grinding process.

[0031] The pressing seat 7 is provided with three sizes of large, medium and small according to the different diameters of the slot 41 , and a column groove matching the specification of the threaded column of the fastening bolt is opened on the inner side of the pressing seat 7 .

[0032] The automobile bolt precision grinding equipment can drive the limit seat 4 to rotate in the opposite direction of the rotation direction of the grinding cylinder 6 through the setting of the micro motor 2, thereby efficiently grinding the thread groove on the thread column of the inner threaded part, increasing the grinding rate and ensuring the grinding effect.

[0033] The working principle and use process of the utility model are as follows: when the device is needed to work, the head of the threaded part is clamped in the limit seat 4 of the corresponding bone specification, and the pressure seat 7 is used to limit the outside of it, and then the electric cylinder seat 3 is opened to drive the bearing cylinder 5 and the grinding cylinder 6 to move horizontally, so that the thread sleeve is on the outside of the threaded column of the bolt part, and then the electric cylinder seat 3 is opened to continuously drive the grinding cylinder 6 to reciprocate left and right in the horizontal direction, and at the same time, the micro motor 2 is turned on to drive the limit seat 4 and the bolt part thereon to rotate in the opposite direction to ensure the grinding effect of the thread groove.

[0034] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0035] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A precision grinding device for automobile bolts, characterized by: It comprises a support (1) and a micro motor (2) and an electric cylinder seat (3) mounted on the support and opposite to each other; The outer end of the output shaft of the micro motor (2) is fixedly connected to a limit seat (4), and a stepped clamping groove (41) is provided on the front side of the limit seat (4), and the clamping groove (41) is a notch that matches the specifications of the bolt head; The outer end of the output shaft of the electric cylinder seat (3) is fixedly connected to a bearing cylinder (5), and the outer end of the bearing cylinder (5) is fixedly connected to a grinding cylinder (6), the grinding cylinder (6) is a columnar cylinder, and the inner wall of the grinding cylinder (6) is provided with a thread grinding groove that matches the specifications of the thread column on the bolt, and the inner wall of the thread grinding groove is provided with a hemispherical grinding portion.

2. The automobile bolt precision grinding device according to claim 1, characterized in that: The support (1) is a U-shaped support, a micro motor (2) is fixedly mounted on the right side wall of the support (1), and an electric cylinder seat (3) opposite to the micro motor (2) is fixedly mounted on the left side inner wall of the support (1).

3. The automobile bolt precision grinding device according to claim 1, characterized in that: The main body of the bearing cylinder (5) is a cylinder, and the two ends of the cylinder are respectively assembled on the output shaft of the electric cylinder seat (3) and the end wall of the grinding cylinder (6) through bearing rings.

4. The automobile bolt precision grinding device according to claim 1, characterized in that: The clamping slot (41) is a slot opening extending outward from the inside to the outside, the clamping slot (41) is a regular hexagonal slot, and a pressure seat (7) located outside the fastening bolt and between the fastening bolts is clamped on the inside of the clamping slot (41).

5. The automobile bolt precision grinding device according to claim 4, characterized in that: The pressure seat (7) is provided in three sizes: large, medium and small according to the different diameters of the slot openings of the slots (41), and a column groove matching the specifications of the threaded column of the fastening bolt is provided on the inner side of the pressure seat (7).

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