CN213053695U - Fixing device is used in mechanical fastener production - Google Patents

Abstract

The utility model discloses a fixing device for producing mechanical fasteners, which belongs to the technical field of industrial production; the base comprises a base, the equal threaded connection in both sides that both ends were kept away from each other around the base top has fixing bolt, the base is located four inboard top fixedly connected with fixed columns of fixing bolt, the mounting groove has been seted up to the inside of fixed column, fixedly connected with carrier post is run through at the top of mounting groove, the bottom of carrier post is run through and has been seted up the through hole, be equipped with the fixed block in the through hole, a plurality of fixed ears of the even fixedly connected with in upper and lower both ends of fixed block outer wall, the top fixedly connected with bottom plate of fixed block, four mounting plates of the even fixedly connected with in top of bottom plate. The utility model has the advantages that: this device is simple to use, and when carrying out interior angle machining to interior hex bolts, the machined part of treating that can be fine is fixed spacingly, puts simultaneously, gets the convenience, saves cost of labor and manufacturing cost.

Description

Fixing device is used in mechanical fastener production

Technical Field

The utility model relates to an industrial production technical field specifically is a fixing device is used in mechanical fastener production.

Background

The fastener is a mechanical part which is used for fastening connection and has extremely wide application. The fastener is widely used in the industries including energy, electronics, electrical appliances, machinery, chemical industry, metallurgy, molds, hydraulic pressure and the like, and various fasteners can be seen on various machines, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemical industry, instruments, supplies and the like, and are the most widely applied mechanical basic parts. It features various varieties and specifications, different functions and usages, and very high standardization, serialization and universalization degrees. Thus, one type of fastener that has a national standard is also referred to as a standard fastener, or simply a standard.

With the continuous development of industrial technology, more and more machines enter people's daily life and work, and fasteners are used in a large number in the machines, and in the prior art, most fasteners are bolt fasteners, and in screw fasteners, hexagon socket head cap screws are used in a large number as fastening bolts convenient to detach. In prior art, when the interior angle of hexagon socket head cap screw was handed over, used the lathe to process more, and in the machining of machine tool, all need fix round bolt on the lathe fixed plate of horizontal direction at every turn processing, whole work is comparatively wasted time, and uses the horizontally fixed plate to fix round bolt spacing, causes the bolt displacement to lead to the machining precision inaccurate easily in the course of working, and then causes the waste of raw materials. Accordingly, one skilled in the art provides a fixing device for mechanical fastener production to solve the problems set forth in the background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fixing device is used in mechanical fastener production to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a fixing device for producing mechanical fasteners comprises a base, wherein both sides of the top of the base, which are far away from each other, are in threaded connection with fixing bolts, the top of the base, which is positioned at the inner sides of the four fixing bolts, is fixedly connected with a fixing column, an installation groove is arranged inside the fixing column, the top of the mounting groove is fixedly connected with a bearing column in a penetrating way, the bottom of the bearing column is provided with a through hole in a penetrating way, a fixed block is arranged in the through hole, the upper end and the lower end of the outer wall of the fixed block are uniformly and fixedly connected with a plurality of fixed lugs, the top of the fixed block is fixedly connected with a bottom plate, the top of the bottom plate is uniformly and fixedly connected with four fastening plates, the bearing column is characterized in that limiting lugs are fixedly connected to two sides of the upper end of the inner wall of the bearing column, which are far away from each other, a movable bolt is arranged at the top of the bearing column, a fixing hole is formed in the movable bolt in a penetrating mode, and a workpiece is arranged in the fixing hole.

As a further aspect of the present invention: the outer wall fixedly connected with external screw thread of activity bolt lower extreme, bearing post and external screw thread position assorted inner wall fixed connection have the internal thread, the external screw thread is connected with the internal thread meshing, drives internal thread and external screw thread meshing through rotating the activity bolt, drives the activity bolt and carries out the up-and-down motion, and then realizes the action of the clamp of four mounting plates and unclamping.

As a further aspect of the present invention: four spacing grooves have evenly been seted up to fixed block and the crisscross outer wall each other of a plurality of fixed ear position, the through hole is with the equal fixed connection stopper of four spacing groove position assorted inner walls, four the external diameter size of stopper and the internal diameter size phase-match of four spacing grooves, four the stopper is established with four spacing groove covers respectively and is connected, carries on spacingly through four stoppers and four spacing grooves to the bottom plate, prevents to take place the displacement in the course of working and causes the machining precision inaccurate.

As a further aspect of the present invention: four the mounting plate is fan-shaped structure, four the top of mounting plate is conical structure, four the mounting plate is close to the inboard each other and is the arc structure, treats through the cooperation of four mounting plates that the outer wall of processing hexagon socket head cap screw carries out more omnidirectional protection.

As a further aspect of the present invention: four the length distance that forms between keeping away from both sides each other at mounting plate top is less than the length distance that forms between the both sides of keeping away from each other of fixed orifices inner wall, prevents to can't play fixed effect because of mounting plate both sides apart from the undersize.

As a further aspect of the present invention: four the distance that forms between mounting plate top and the bottom plate top is greater than the length distance that forms between two spacing ear tops and the mounting plate top, prevents that mounting plate length is not enough to lead to movable bolt can't extrude the top of four mounting plates.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses in, fix the base on the fixed slot of lathe through four fixing bolt, it is spacing to the interior hex bolts of processing of generation through four fixed plate cooperations, then screw up the movable bolt, make the inclined plane at four mounting plate tops of movable bolt bottom extrusion, it is spacing to fix the bottom of interior hex bolts, then use the lathe to carry out interior angle processing at the top of interior hex bolts, after processing, only need loosen the movable bolt slightly, take out the bolt that has processed in the fixed orifices, put into next and wait to process interior hex bolts and screw up the movable bolt again and can accomplish the work of getting, in the course of working, four stoppers and four spacing groove cooperations, simultaneously through the fixed connection of four fixed ears, it is further spacing to the fixed plate, prevent that the bolt from taking place the displacement in the processing. This device is simple to use, and when carrying out interior angle machining to interior hex bolts, the machined part of treating that can be fine is fixed spacingly, puts simultaneously, gets the convenience, saves cost of labor and manufacturing cost.

Drawings

FIG. 1 is a schematic sectional view of the front view of the present invention;

fig. 2 is a schematic top sectional view of the present invention;

fig. 3 is a schematic top sectional view of the load-bearing column of the present invention.

In the figure: 1. a base; 2. fixing the bolt; 3. fixing a column; 4. mounting grooves; 5. a load bearing column; 6. a through hole; 7. a fixed block; 8. fixing the ear; 9. a base plate; 10. a fastening plate; 11. a limiting lug; 12. an internal thread; 13. a movable bolt; 14. a fixing hole; 15. an external thread; 16. processing a workpiece; 17. a limiting groove; 18. and a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, in the embodiment of the present invention, a fixing device for producing a mechanical fastener comprises a base 1, wherein two sides of the top of the base 1, which are far away from each other at the front and rear ends, are respectively in threaded connection with a fixing bolt 2, the top of the base 1, which is located at the inner side of the four fixing bolts 2, is fixedly connected with a fixing column 3, the inside of the fixing column 3 is provided with a mounting groove 4, the top of the mounting groove 4 is fixedly connected with a bearing column 5, the bottom of the bearing column 5 is provided with a through hole 6, a fixing block 7 is arranged in the through hole 6, the upper end and the lower end of the outer wall of the fixing block 7 are respectively and fixedly connected with a plurality of fixing lugs 8, the top of the fixing block 7 is fixedly connected with a bottom plate 9, the top of the bottom plate 9, a fixed hole 14 is formed in the movable bolt 13 in a penetrating manner, and a workpiece 16 is arranged in the fixed hole 14.

The outer wall of the lower end of the movable bolt 13 is fixedly connected with an external thread 15, the inner wall of the bearing column 5 matched with the external thread 15 is fixedly connected with an internal thread 12, the external thread 15 is meshed with the internal thread 12, the movable bolt 13 is driven to move up and down by rotating the movable bolt 13 to drive the internal thread 12 to be meshed with the external thread 15, and then actions of clamping and loosening the four fastening plates 10 are realized; four spacing grooves 17 have evenly been seted up with the outer wall that a plurality of fixed ear 8 positions crisscross each other to fixed block 7, through hole 6 and the equal fixed connection stopper 18 of four spacing groove 17 position assorted inner walls, the external diameter size of four stoppers 18 and the internal diameter size phase-match of four spacing grooves 17, four stoppers 18 are established with four spacing groove 17 covers respectively and are connected, carry out spacingly through four stoppers 18 and four spacing grooves 17 to bottom plate 9, prevent to take place the displacement in the course of working and cause the machining precision inaccurate.

The four fastening plates 10 are all of a fan-shaped structure, the tops of the four fastening plates 10 are all of a conical structure, the inner sides of the four fastening plates 10, which are close to each other, are of an arc-shaped structure, and the outer wall of the hexagon socket bolt to be machined is protected more comprehensively through the cooperation of the four fastening plates 10; the length distance formed between the two sides of the top of the four fastening plates 10 far away from each other is smaller than the length distance formed between the two sides of the inner wall of the fixing hole 14 far away from each other, so that the fixing effect can not be achieved due to the fact that the distance between the two sides of the fastening plates 10 is too small; the distance that forms between four mounting plate 10 tops and the bottom plate 9 top is greater than the length distance that forms between two spacing ears 11 tops and the mounting plate 10 top, prevents that mounting plate 10 length from leading to movable bolt 13 inadequately to extrude the top of four mounting plate 10.

The utility model discloses a theory of operation is: the device is suitable for fixing a machined part during machining of the inner hexagonal thread, when the device is used, the base 1 is fixed on a fixed groove of a machining airport through the four fixed bolts 2, the movable bolt 13 is rotated to enable the movable bolt 13 to remove extrusion limitation on the four fastening plates 10, then the machined part 16 of the inner hexagonal bolt to be machined penetrates through the fixed hole 14 to be arranged on the inner sides of the four fastening plates 10, the movable bolt 13 is screwed again, the movable bolt 13 is driven to move towards the lower end through meshing connection of the external thread 15 and the internal thread 12, the bottom of the movable bolt 13 extrudes the tops of the four fastening plates 10 at the moment, the machined part 16 is further fixed and limited, and the top of the machined part 16 can be machined at an inner angle; after the processing is finished, the movable bolt 13 is only slightly screwed, the processed workpiece 16 is taken out, and the workpiece to be processed is put in again.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides a fixing device is used in mechanical fastener production, includes base (1), its characterized in that: the fixing device is characterized in that the two sides of the front end and the rear end of the top of the base (1) far away from each other are in threaded connection with fixing bolts (2), the top of the base (1) positioned at the inner sides of the four fixing bolts (2) is fixedly connected with a fixing column (3), a mounting groove (4) is formed in the fixing column (3), the top of the mounting groove (4) is fixedly connected with a bearing column (5) in a penetrating manner, a penetrating hole (6) is formed in the bottom of the bearing column (5) in a penetrating manner, a fixing block (7) is arranged in the penetrating hole (6), the upper end and the lower end of the outer wall of the fixing block (7) are uniformly and fixedly connected with a plurality of fixing lugs (8), the top of the fixing block (7) is fixedly connected with a bottom plate (9), the top of the bottom plate (9) is, the top of the bearing column (5) is provided with a movable bolt (13), a fixed hole (14) is formed in the movable bolt (13) in a penetrating mode, and a workpiece (16) is arranged in the fixed hole (14).

2. The fixing device for producing mechanical fasteners according to claim 1, wherein: the outer wall fixedly connected with external screw thread (15) of activity bolt (13) lower extreme, bear post (5) and internal thread (12) with external screw thread (15) position assorted inner wall fixedly connected with, external screw thread (15) and internal thread (12) meshing are connected.

3. The fixing device for producing mechanical fasteners according to claim 1, wherein: four spacing grooves (17) have evenly been seted up with a plurality of fixed ear (8) outer wall that the position interlocks each other in fixed block (7), through hole (6) and four spacing groove (17) equal fixed connection stopper (18) of position assorted inner wall, four the external diameter size of stopper (18) and the internal diameter size phase-match of four spacing grooves (17), four stopper (18) are established with four spacing groove (17) covers respectively and are connected.

4. The fixing device for producing mechanical fasteners according to claim 1, wherein: the four fastening plates (10) are of fan-shaped structures, the tops of the four fastening plates (10) are of conical structures, and the inner sides, close to each other, of the four fastening plates (10) are of arc-shaped structures.

5. The fixing device for producing mechanical fasteners according to claim 1, wherein: the length distance formed between the two sides, far away from each other, of the tops of the four fastening plates (10) is smaller than the length distance formed between the two sides, far away from each other, of the inner walls of the fixing holes (14).

6. The fixing device for producing mechanical fasteners according to claim 1, wherein: the distance formed between the tops of the four fastening plates (10) and the top of the bottom plate (9) is larger than the length distance formed between the tops of the two limiting lugs (11) and the tops of the fastening plates (10).

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