CN117644130A - Connector housing rolling tool - Google Patents

Abstract

The application provides a connector housing roll extrusion frock belongs to the technical field of connector housing roll extrusion equipment, specifically use the three-jaw chuck centre gripping first positioning seat on the lathe, then place the connector housing on the first positioning seat, the second positioning seat is placed to the top of connector housing, tip cooperation toper recess on the lathe is used again to fix the second positioning seat, make the three-jaw chuck on the lathe rotatory at last, thereby drive the connector rotation, remove the roll extrusion sword subassembly simultaneously and exert certain pressure to the casing surface, make it produce metal plastic deformation, realize roll extrusion, the part that the second sleeve is located the second end includes annular supporting part and annular design portion, the lateral wall of supporting part butt second end, the periphery side of design portion reduces gradually from the terminal surface of second end to one side of design annular platform, the terminal surface butt design annular platform of design portion, the shape of roll extrusion is guaranteed to the design of second telescopic supporting part and design of design portion, improve the quality of casing roll extrusion.

Description

Connector housing rolling tool

Technical Field

The application relates to the field of connector housing rolling equipment, in particular to a connector housing rolling tool.

Background

The rolling process utilizes the cold plasticity characteristic of metal in normal temperature, uses lathe equipment to make the workpiece rotate, and moves the rolling tool to apply certain pressure to the surface of the workpiece, so as to generate metal plastic deformation, thereby realizing the rolling process of various workpieces. At present, the rolling tool structure is characterized in that a rotating shaft penetrates through a roller and is in interference fit with the roller, the rotating shaft is fixed with a roller frame through a clamp spring, but the rolling tool structure is unstable, the friction resistance of the roller is large during rolling, and along with daily use abrasion, the roller can shake in the actual rolling process to generate a plurality of rolling marks, and meanwhile, the coaxiality of the tool and a workpiece cannot be guaranteed after the tool and the workpiece are matched and positioned, so that the rolling depth and the rolling shape are uneven, and the product quality of the workpiece is influenced.

Disclosure of Invention

In view of this, this application provides a connector housing roll extrusion frock, has solved the problem among the prior art, improves the roll extrusion quality of connector housing.

The application provides a connector housing roll extrusion frock adopts following technical scheme:

the utility model provides a connector housing roll extrusion frock, the connector includes plug and cover and establishes the casing at the plug periphery, the casing both ends are first end and second end respectively, right the roll extrusion position of casing is located the tip lateral wall of the second end of casing, is equipped with the clearance between the casing lateral wall and the plug of roll extrusion position, connector housing roll extrusion frock includes:

the positioning assembly comprises a first positioning seat and a second positioning seat, the first positioning seat comprises a first fixed shaft and a first sleeve which are fixedly connected and coaxial, the first fixed shaft is connected with a rotary output shaft of the lathe through a clamping assembly, the first sleeve is used for being sleeved on the periphery of the first end, a positioning table which is abutted against the end face of the first end is arranged in the first sleeve, the second positioning seat comprises a second fixed shaft and a second sleeve which are fixedly connected and coaxial, one end of the second fixed shaft, which is opposite to the second sleeve, is provided with a conical groove which is matched with a center of the lathe, the end face of the second sleeve, which is opposite to the second fixed shaft, is positioned between a side wall of the second end and the plug, the end face of the second sleeve is abutted against a design annular table in the shell, the part of the second sleeve, which is positioned in the second end comprises an annular supporting part and an annular shaping part, the supporting part is abutted against the side wall of the second end face of the second end, and the side face of the supporting part is gradually reduced from the outer peripheral side face of the shaping part to the design annular table;

the rolling cutter assembly comprises a bracket and a roller arranged on the bracket, wherein the peripheral side face of the roller is abutted against the outer side wall of the shell at the rolling position on the second end, the bracket is used for being connected with a force application assembly, and the force application assembly is used for applying acting force close to the axis of the shell to the roller.

Optionally, the terminal surface of first end includes annular inclined plane and annular bulge, and annular bulge is located the inner circle of annular inclined plane, first sleeve inner wall is equipped with along radial inwards convex annular flange, annular flange is as the locating bench, annular flange encircles the periphery at annular bulge, annular flange is the inclined plane opposite to one side of first fixed axle, just the inclined plane is close to from outer inside gradually to first fixed axle one side slope, the inclined plane with annular inclined plane on the terminal surface of first end matches.

Optionally, the rolling cutter assembly further comprises a rotating shaft and a bearing, the rotating shaft penetrates through the roller, the rotating shaft is fixedly connected with the roller, two ends of the rotating shaft are connected with the support through the bearing, an inner ring of the bearing is fixedly connected with the rotating shaft, and the bearing is installed on the support.

Optionally, first annular bosses are arranged on two end faces of the roller, and the first annular bosses are abutted with the bearing inner rings;

the rolling cutter assembly comprises a support, and is characterized in that a through hole for accommodating a bearing is formed in the support, the bearing is in transition fit with the through hole, the rolling cutter assembly further comprises end covers, each bearing is correspondingly provided with the end cover, the end covers cover two on the end faces of the bearings, which are opposite to each other, the end covers are fixed on the support through screws, annular grooves are formed in the end faces of outer rings of the bearings, second annular bosses matched with the annular grooves are formed in the end covers, and when the end covers are fixed on the support, the second annular bosses are tightly pressed on bottoms of the annular grooves, and inner rings of the bearings are tightly pressed on the first annular bosses through the second annular bosses.

Optionally, the rotating shaft is provided with a step surface abutting against the opposite end surfaces of the two bearings, and the step surface abuts against the end surface of the inner ring of the bearing.

Optionally, the surfaces of the positioning component and the rolling cutter component are provided with chrome coatings.

Optionally, when the positioning assembly is matched with the shell, the axes of the first fixed shaft, the first sleeve, the second fixed shaft and the second sleeve are parallel to the vertical direction, and the first positioning seat is located below the second positioning seat.

In summary, the present application includes the following beneficial technical effects:

the design of second sleeve supporting part and design department guarantees the shape of roll forming, improves the quality of casing roll forming.

The inclined surface in the first sleeve is matched with the annular inclined surface on the end face of the first end. The inclined plane in the first sleeve contacts with the inclined plane at the bottom end of the shell, plays a role in guiding and positioning the shell and ensuring that the inclined plane is coaxial with the shell, and further ensures that the shell generates uniform circumferential rolling depth when the movable rolling cutter assembly applies pressure to the surface of the shell, and improves the rolling forming quality of the shell.

The cooperation of the first annular boss on the roller and the second annular boss on the end cover both forms the support to the bearing, prevents simultaneously that bearing, roller and pivot from at axial float, has played fixed pivot and gyro wheel's effect, guarantees the steady rotation and the rotation track of gyro wheel, improves the quality of casing roll forming.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of the overall structure of a rolling tool for a connector housing of the present application;

FIG. 2 is a schematic structural view of a first positioning seat according to the present application;

FIG. 3 is a schematic structural view of a second positioning seat according to the present application;

FIG. 4 is a schematic view of the overall structure of the rolling cutter assembly of the present application;

fig. 5 is a schematic structural view of the components of the rolling cutter assembly of the present application.

Reference numerals illustrate: 1. a housing; 11. a first end; 12. a second end; 13. an annular inclined surface; 14. an annular projection; 15. designing a ring table; 2. a center; 3. a three-jaw chuck; 4. a first positioning seat; 41. a first fixed shaft; 42. a first sleeve; 43. an annular flange; 5. a second positioning seat; 51. a second fixed shaft; 511. a conical groove; 52. a second sleeve; 53. a support part; 54. a shaping part; 6. a rolling cutter assembly; 61. a roller; 611. a first annular boss; 62. a bracket; 63. a bearing; 631. an annular groove; 64. a rotating shaft; 641. a step surface; 65. an end cap; 651. a second annular boss; 66. and (5) a screw.

Detailed Description

Embodiments of the present application are described in detail below with reference to the accompanying drawings.

Other advantages and effects of the present application will become apparent to those skilled in the art from the present disclosure, when the following description of the embodiments is taken in conjunction with the accompanying drawings. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. The present application may be embodied or carried out in other specific embodiments, and the details of the present application may be modified or changed from various points of view and applications without departing from the spirit of the present application. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

It is noted that various aspects of the embodiments are described below within the scope of the following claims. It should be apparent that the aspects described herein may be embodied in a wide variety of forms and that any specific structure and/or function described herein is merely illustrative. Based on the present application, one skilled in the art will appreciate that one aspect described herein may be implemented independently of any other aspect, and that two or more of these aspects may be combined in various ways. For example, an apparatus may be implemented and/or a method practiced using any number of the aspects set forth herein. In addition, such apparatus may be implemented and/or such methods practiced using other structure and/or functionality in addition to one or more of the aspects set forth herein.

It should also be noted that the illustrations provided in the following embodiments merely illustrate the basic concepts of the application by way of illustration, and only the components related to the application are shown in the illustrations, not according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complex.

In addition, in the following description, specific details are provided in order to provide a thorough understanding of the examples. However, it will be understood by those skilled in the art that the aspects may be practiced without these specific details.

The embodiment of the application provides a connector housing rolling tool.

As shown in fig. 1-4, a rolling tool for a connector shell, the connector comprises a plug and a shell 1 sleeved on the periphery of the plug, two ends of the shell 1 are a first end 11 and a second end 12 respectively, a rolling position of the shell 1 is located on the end side wall of the second end 12 of the shell 1, and a gap is formed between the side wall of the shell 1 in the rolling position and the plug.

Connector housing roll extrusion frock includes:

the positioning assembly comprises a first positioning seat 4 and a second positioning seat 5, the first positioning seat 4 comprises a first fixed shaft 41 and a first sleeve 42 which are fixedly connected and coaxial, the first fixed shaft 41 is used for being connected with a rotary output shaft of a lathe through a clamping assembly, the clamping assembly can be a three-jaw chuck 3, the first sleeve 42 is used for being sleeved on the periphery of the first end 11, a positioning table which is abutted to the end face of the first end 11 is arranged in the first sleeve 42, the second positioning seat 5 comprises a second fixed shaft 51 and a second sleeve 52 which are fixedly connected and coaxial, one end of the second fixed shaft 51, which is opposite to the second sleeve 52, is provided with a conical groove 511 which is matched with the center 2 of the lathe, the end face of the second sleeve 52, which is opposite to the second fixed shaft 51, is located between the side wall of the second end 12 and the plug, and the end face of the second sleeve 52, which is far away from the second sleeve 51, is abutted to a design annular support part 53 and a design ring 15 in the shell 1, the part of the second sleeve 52 is located in the second end 12 comprises an annular support part 53 and a design ring part 54 which is abutted to the side face of the second support part 54, the design part is gradually reduced from the side face of the second support part 54 towards the side wall 54 of the second end face 12.

The rolling cutter assembly 6, the rolling cutter assembly 6 includes a bracket 62 and a roller 61 mounted on the bracket 62, the peripheral side surface of the roller 61 abuts against the outer side wall of the housing 1 at the rolling position on the second end 12, the bracket 62 is used for connecting a force application assembly, the force application assembly is used for applying a force to the roller 61, which is close to the axis of the housing 1, and the force application assembly can be an oil cylinder or an air cylinder.

When the positioning assembly is matched with the shell 1, the axes of the first fixed shaft 41, the first sleeve 42, the second fixed shaft 51 and the second sleeve 52 are parallel to the vertical direction, and the first positioning seat 4 is positioned below the second positioning seat 5.

The three-jaw chuck 3 on the lathe is used for clamping the first positioning seat 4, then the connector shell 1 is placed on the first positioning seat 4, the outer peripheral side wall of the first end 11 of the shell 1 is abutted against the inner wall of the first sleeve 42, the second positioning seat 5 is placed above the connector shell 1, the center 2 on the lathe is matched with the conical groove 511 to fix the second positioning seat 5, finally the three-jaw chuck 3 on the lathe is rotated, so that the connector is driven to rotate, meanwhile, the rolling cutter assembly 6 is moved to apply certain pressure to the surface of the shell 1, metal plastic deformation is generated, rolling processing is achieved, the shape of rolling forming is guaranteed by the design of the supporting part 53 and the shaping part 54 of the second sleeve 52, and the quality of rolling forming of the shell 1 is improved.

The end face of the first end 11 comprises an annular inclined surface 13 and an annular protruding portion 14, the annular protruding portion 14 is located in the inner ring of the annular inclined surface 13, an annular flange 43 protruding inwards in the radial direction is arranged on the inner wall of the first sleeve 42, the annular flange 43 serves as a positioning table, the annular flange 43 surrounds the periphery of the annular protruding portion 14, one side, opposite to the first fixed shaft 41, of the annular flange 43 is an inclined surface, the inclined surface gradually inclines from the outside to the first fixed shaft 41, and the inclined surface is matched with the annular inclined surface 13 on the end face of the first end 11. The inclined surface in the first sleeve 42 contacts with the inclined surface at the bottom end of the shell 1, plays a role in guiding and positioning the shell 1 and ensuring that the inclined surface is coaxial with the shell 1, and further ensures that the shell 1 generates uniform circumferential rolling depth when the movable rolling cutter assembly 6 applies pressure to the surface of the shell 1.

As shown in fig. 5, the rolling cutter assembly 6 further includes a rotating shaft 64 and a bearing 63, the rotating shaft 64 passes through the roller 61, the rotating shaft 64 is fixedly connected with the roller 61, two ends of the rotating shaft 64 are connected with the bracket 62 through the bearing 63, an inner ring of the bearing 63 is fixedly connected with the rotating shaft 64, and the bearing 63 is mounted on the bracket 62.

First annular bosses 611 are arranged on two end faces of the roller 61, and the first annular bosses 611 are abutted with the inner rings of the bearings 63; the support 62 is provided with a through hole for accommodating the bearing 63, the bearing 63 is in transition fit with the through hole, the rolling cutter assembly 6 further comprises end covers 65, each bearing 63 is correspondingly provided with the end cover 65, the end covers 65 cover the two opposite end faces of the bearing 63, the end covers 65 are fixed on the support 62 through screws 66, the end faces of the outer rings of the two bearings 63 are provided with annular grooves 631, the end covers 65 are provided with second annular bosses 651 matched with the annular grooves 631, when the end covers 65 are fixed on the support 62, the second annular bosses 651 are pressed on the bottoms of the annular grooves 631, and the second annular bosses 651 press the inner rings of the bearings 63 on the first annular bosses 611. The rotating shafts 64 are in interference fit with the inner rings of the bearings 63 and the rollers 61, so that the shafts of the rotating shafts 64 and the rollers 61 are ensured to be relatively static. Meanwhile, the second annular boss 651 avoids contacting the rotating shaft 64 and the inner ring of the bearing 63, the first annular boss 611 on the roller 61 and the second annular boss 651 on the end cover 65 are matched to support the bearing 63, and meanwhile, the bearing 63, the roller 61 and the rotating shaft 64 are prevented from moving in the axial direction, the functions of fixing the rotating shaft 64 and the roller 61 are achieved, and stable rotation and rotation track of the roller 61 are guaranteed.

The rotating shaft 64 is provided with a step surface 641 abutting against end surfaces opposite to the two bearings 63, and the step surface 641 abuts against an end surface of an inner ring of the bearing 63 to position the bearing 63 in the process of mounting the bearing 63 on the rotating shaft 64.

The surfaces of the positioning component and the rolling cutter component 6 are respectively provided with a chromium plating layer. The positioning component and each part of the rolling cutter component 6 are subjected to chromium plating surface treatment, so that corrosion resistance is enhanced, and each part of the rolling cutter component 6 is made of Q235 steel, so that the material has good plasticity and toughness, and in addition, the hardness of the parts which are easy to wear of the roller 61 and the rotating shaft 64 is ensured to be within the range of HRC55-60 by heat treatment, so that durability is enhanced.

The foregoing is merely specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions easily conceivable by those skilled in the art within the technical scope of the present application should be covered in the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (7)

1. Connector housing roll extrusion frock, connector include plug and cover establish at plug periphery's casing (1), casing (1) both ends are first end (11) and second end (12) respectively, right the roll extrusion position of casing (1) is located the tip lateral wall of second end (12) of casing (1), is equipped with the clearance between casing (1) lateral wall and the plug in roll extrusion position, its characterized in that connector housing roll extrusion frock includes:

the positioning assembly comprises a first positioning seat (4) and a second positioning seat (5), the first positioning seat (4) comprises a first fixed shaft (41) and a first sleeve (42) which are fixedly connected and coaxial, the first fixed shaft (41) is connected with a rotating output shaft of a lathe through a clamping assembly, the first sleeve (42) is sleeved on the periphery of the first end (11), a positioning table which is abutted with the end face of the first end (11) is arranged in the first sleeve (42), the second positioning seat (5) comprises a second fixed shaft (51) and a second sleeve (52) which are fixedly connected and coaxial, one end of the second fixed shaft (51) back to the second sleeve (52) is provided with a conical groove (511) which is matched with a tip (2) of the lathe, the end face of the second sleeve (52) back to the second fixed shaft (51) is positioned between the side wall of the second end (12) and a plug, the end face of the second sleeve (52) is abutted against a design ring (15) in a shell (1), the end face of the second sleeve (52) is positioned in a support part (53) which is positioned in a support part (53) of the second end (12) and is positioned in a support part (53) which is positioned in a support part (53) of the annular part (12), the peripheral side surface of the shaping part (54) gradually reduces from the end surface of the second end (12) to one side of the design ring table (15);

the rolling cutter assembly (6), the rolling cutter assembly (6) comprises a support (62) and a roller (61) arranged on the support (62), the peripheral side face of the roller (61) is abutted against the outer side wall of the shell (1) at the rolling position on the second end (12), the support (62) is used for being connected with a force application assembly, and the force application assembly is used for applying a force to the roller (61) close to the axis of the shell (1).

2. The connector housing rolling tool according to claim 1, wherein the end face of the first end (11) comprises an annular inclined surface (13) and an annular protruding portion (14), the annular protruding portion (14) is located at an inner ring of the annular inclined surface (13), an annular flange (43) protruding inwards in the radial direction is arranged on the inner wall of the first sleeve (42), the annular flange (43) serves as the positioning table, the annular flange (43) surrounds the periphery of the annular protruding portion (14), one side, facing away from the first fixed shaft (41), of the annular flange (43) is an inclined surface, the inclined surface gradually inclines from the outside to the side of the first fixed shaft (41), and the inclined surface is matched with the annular inclined surface (13) on the end face of the first end (11).

3. The connector housing rolling tool according to claim 1, wherein the rolling tool assembly (6) further comprises a rotating shaft (64) and a bearing (63), the rotating shaft (64) penetrates through the roller (61), the rotating shaft (64) and the roller (61) are fixedly connected, two ends of the rotating shaft (64) are connected with the bracket (62) through the bearing (63), an inner ring of the bearing (63) is fixedly connected with the rotating shaft (64), and the bearing (63) is mounted on the bracket (62).

4. A connector housing rolling tool according to claim 3, wherein the two end surfaces of the roller (61) are provided with first annular bosses (611), and the first annular bosses (611) are abutted with the inner ring of the bearing (63);

be equipped with the through-hole that holds bearing (63) on support (62), bearing (63) with through-hole transitional coupling, rolling cutter assembly (6) still include end cover (65), every bearing (63) all correspond to be equipped with end cover (65), end cover (65) cover two on the terminal surface that bearing (63) are on the back of the body, end cover (65) are fixed on support (62) through screw (66), two be equipped with annular groove (631) on the terminal surface of the outer lane of bearing (63), be equipped with on end cover (65) with annular groove (631) complex second annular boss (651), when end cover (65) are fixed on support (62), second annular boss (651) compress tightly the tank bottom of annular groove (631), just second annular boss (651) compress tightly the inner circle of bearing (63) on first annular boss (611).

5. A connector housing rolling tool according to claim 3, wherein the rotating shaft (64) is provided with a step surface (641) abutting against end surfaces opposite to the two bearings (63), and the step surface (641) abuts against an inner ring end surface of the bearings (63).

6. The connector housing rolling tool of claim 1, wherein the surfaces of the locating assembly and rolling blade assembly are provided with a chrome plating.

7. Connector housing rolling tool according to claim 1, characterized in that the axes of the first fixed shaft (41), the first sleeve (42), the second fixed shaft (51) and the second sleeve (52) are parallel to the vertical direction when the positioning assembly and the housing (1) are mated, and the first positioning seat (4) is located below the second positioning seat (5).