CN216802325U

CN216802325U - Knurling structure

Info

Publication number: CN216802325U
Application number: CN202220536567.0U
Authority: CN
Inventors: 张峰; 尚建国; 王学亮
Original assignee: Shandong Taiming Machinery Co ltd
Current assignee: Shandong Taiming Machinery Co ltd
Priority date: 2022-03-10
Filing date: 2022-03-10
Publication date: 2022-06-24
Anticipated expiration: 2032-03-10

Abstract

The utility model belongs to the technical field of machining's technique and specifically relates to a knurling structure is related to, and it is including installation piece, cutter arbor, first knurling wheel and second knurling wheel, the installation piece sets up the one end of cutter arbor, be provided with adjustment mechanism on the installation piece, adjustment mechanism includes slider and adjusting part, it is connected with two to slide on the installation piece the slider, first knurling wheel rotates to be connected at one of them on the slider, second knurling wheel rotates to be connected another on the slider, adjusting part sets up on the installation piece, two the slider all with adjusting part connects, adjusting part drives two the slider is close to each other or keeps away from each other. The adjustment mechanism simple structure that this application set up, adjustment mechanism can adjust the distance between first knurling wheel and the second knurling wheel according to the diameter of work piece simultaneously, and then makes the suitability of annular knurl structure obtain improving.

Description

Knurling structure

Technical Field

The application relates to the technical field of machining, in particular to a knurling structure.

Background

At present, knurling is a mechanical process for rolling patterns on a knob or other working surfaces, and is mainly used for skid resistance.

Chinese patent No. CN204686356U discloses a double-wheel high-speed knurling tool, which comprises a tool bar, two mounting blocks, an upper knurling wheel and a lower knurling wheel, wherein one end of the tool bar is fixedly connected with the two mounting blocks, the upper knurling wheel and the lower knurling wheel are rotatably connected to the mounting blocks and located between the two mounting blocks, and the upper knurling wheel and the lower knurling wheel are vertically symmetrically arranged by taking the axial lead of the tool bar as a symmetry axis.

In the process of realizing the application, the inventor finds that at least the following problems exist in the technology, the distance between the upper knurling wheel and the lower knurling wheel is fixed, the knurling only can be applicable to large workpieces, and when the knurling is carried out on the workpieces which are smaller than the distance between the upper knurling wheel and the lower knurling wheel, the workpieces can only be abutted or cannot be abutted to a single knurling wheel, so that the applicability is low.

SUMMERY OF THE UTILITY MODEL

In order to improve the suitability of knurling structure, this application provides a knurling structure.

The application provides a knurling structure adopts following technical scheme:

the utility model provides a knurling structure, is including installation piece, cutter arbor, first knurling wheel and second knurling wheel, the installation piece sets up the one end of cutter arbor, be provided with adjustment mechanism on the installation piece, adjustment mechanism includes slider and adjusting part, it is connected with two to slide on the installation piece the slider, first knurling wheel rotates to be connected at one of them on the slider, second knurling wheel rotates to be connected another on the slider, adjusting part sets up on the installation piece, two the slider all with adjusting part connects, adjusting part drives two the slider is close to each other or keeps away from each other.

By adopting the technical scheme, firstly, according to the diameter of a workpiece, the two sliding blocks are driven to mutually approach or separate by the adjusting assembly, the sliding blocks drive the first knurling wheel and the second knurling wheel to approach or separate, then the knurling structure is arranged on equipment, the workpiece is driven to rotate by the equipment, and the knurling structure performs knurling on the workpiece; the adjusting mechanism simple structure that sets up, simultaneously adjusting mechanism can adjust the distance between first knurling wheel and the second knurling wheel according to the diameter of work piece, and then makes the suitability of annular knurl structure obtain improving.

Optionally, the adjusting assembly includes a bidirectional screw, the bidirectional screw is rotatably connected to the mounting block, two ends of the bidirectional screw respectively penetrate through the two sliding blocks, and two ends of the bidirectional screw are respectively in threaded connection with the two sliding blocks.

By adopting the technical scheme, the bidirectional screw rod is rotated, the bidirectional screw rod drives the sliding blocks to be close to or far away from each other, and the sliding blocks drive the first idler wheel and the second idler wheel to be close to or far away from each other; the adjusting component is simple in structure and convenient to operate, and further has the effect of improving the working efficiency.

Optionally, the adjusting assembly further comprises a rotating block, and the rotating block is arranged at one end of the bidirectional screw rod.

By adopting the technical scheme, the rotating block is rotated clockwise, the rotating block drives the bidirectional screw to rotate, and the bidirectional screw drives the sliding blocks to approach each other; the rotation of two-way screw rod is convenient for to the turning block that sets up for the regulation of annular knurl structure is more convenient and fast.

Optionally, be provided with the locking subassembly on the installation piece, the locking subassembly includes first locking nut and second locking nut, first locking nut threaded connection is in two-way screw rod is close to the one end of turning block, first locking nut with the installation piece is contradicted, second locking nut threaded connection is in two-way screw rod is close to the one end of turning block, second locking nut with first locking nut butt and restriction two-way screw rod rotates.

By adopting the technical scheme, after the positions of the first knurling wheel and the second knurling wheel are fixed, the first locking nut is rotated to be close to the mounting block, and the first locking nut is abutted to the mounting block; the second lock nut is then rotated. The second locking nut abuts against the first locking nut; the locking subassembly simple structure that sets up has reduced the work piece and has slided at the in-process first knurling wheel of annular knurl and second knurling wheel, leads to the condition of annular knurl dislocation to appear, and then has improved the stability of annular knurl structure.

Optionally, a sliding mechanism is arranged on the mounting block, a third knurling wheel is arranged on the sliding mechanism, and the sliding mechanism drives the third knurling wheel to slide along the length direction of the cutter bar; the circle center of the third knurling wheel, the circle center of the second knurling wheel and the circle center of the first knurling wheel are on the same circle.

By adopting the technical scheme, the sliding mechanism is used for driving the third knurling wheel to approach the first knurling wheel and the second knurling wheel according to the diameter of the workpiece, and then the relative positions of the first knurling wheel and the second knurling wheel are adjusted, so that the first knurling wheel, the second knurling wheel and the third knurling wheel are concentric; the third knurling wheel that sets up makes the effect of work piece annular knurl obtain improving, has improved the efficiency of annular knurl simultaneously.

Optionally, the sliding mechanism includes dead lever, slide bar and power component, the dead lever sets up on the installation piece, the slide bar slides and connects on the dead lever, the third knurling wheel rotates to be connected the slide bar is close to the one end of installation piece, power component set up on the dead lever and with the slide bar is connected.

Through adopting above-mentioned technical scheme, drive the slide bar with power component and slide on the dead lever, the slide bar drives the third knurling wheel and slides, and the slide mechanism simple structure of setting is convenient for operate.

Optionally, the sliding mechanism further includes a limiting block, a limiting groove is formed in the fixing rod, the limiting groove is formed along the length direction of the fixing rod, the limiting block is arranged on the sliding rod, and the limiting block is connected in the limiting groove in a sliding manner.

Through adopting above-mentioned technical scheme, drive the slide bar with power component and slide, the slide bar drives the stopper and slides along the length direction of fixed link, and the stopper of setting has reduced slide bar pivoted probability, and then makes the annular knurl effect keep.

Optionally, the power assembly comprises a rotating screw, the rotating screw is in threaded connection with the fixed rod, and the rotating screw is in rotating connection with the sliding rod and drives the sliding rod to slide.

By adopting the technical scheme, the screw rod is rotated clockwise, the screw rod is rotated to drive the sliding rod to slide, and the sliding rod drives the third knurling wheel to approach the first knurling wheel; the power assembly is simple in structure and convenient to operate.

To sum up, the application comprises the following beneficial technical effects:

1. the adjusting mechanism is simple in structure, and meanwhile, the adjusting mechanism can adjust the distance between the first knurling wheel and the second knurling wheel according to the diameter of the workpiece, so that the applicability of the knurling structure is improved;

2. the arranged adjusting assembly is simple in structure and convenient to operate, and further has the effect of improving the working efficiency;

3. the locking assembly is simple in structure, so that the phenomenon that knurling is staggered due to the fact that the first knurling wheel and the second knurling wheel slide in the knurling process of a workpiece is reduced, and the stability of the knurling structure is improved;

4. the third knurling wheel that sets up makes the effect of work piece annular knurl obtain improving, has improved the efficiency of annular knurl simultaneously.

Drawings

FIG. 1 is a schematic view of the overall structure of a knurling structure in an embodiment of the present application;

FIG. 2 is a schematic cross-sectional view of an adjustment mechanism in an embodiment of the present application;

fig. 3 is a schematic view of the entire structure of the sliding mechanism in the embodiment of the present application;

fig. 4 is a schematic cross-sectional view of a sliding mechanism in an embodiment of the present application.

Reference numerals: 100. a cutter bar; 200. mounting blocks; 210. a slipping cavity; 300. a first knurling wheel; 400. a second knurling wheel; 500. an adjustment mechanism; 510. a slider; 520. an adjustment assembly; 521. a bidirectional screw; 522. rotating the block; 530. a locking assembly; 531. a first lock nut; 532. a second lock nut; 540. rotating the rod; 600. a sliding mechanism; 610. a fixing rod; 611. a sliding hole; 612. a limiting groove; 620. a slide bar; 630. a power assembly; 631. rotating the screw; 632. a grip; 640. a limiting block; 700. a third knurling wheel; 800. and (4) connecting the blocks.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a knurling structure.

Referring to fig. 1, the knurling structure includes a cutter bar 100, one end of the cutter bar 100 is vertically and fixedly connected with an installation block 200, an adjustment mechanism 500 is arranged on the installation block 200, a first knurling wheel 300 is rotatably arranged on the adjustment mechanism 500, a second knurling wheel 400 is rotatably arranged on the adjustment mechanism 500, the first knurling wheel 300 and the second knurling wheel 400 are located at two ends of the installation block 200, and the adjustment mechanism 500 can drive the first knurling wheel 300 and the second knurling wheel 400 to approach to or keep away from each other.

Referring to fig. 1 and fig. 2, a sliding cavity 210 is formed in a side wall of the mounting block 200 away from the tool bar 100, the sliding cavity 210 is formed along a length direction of the mounting block 200, the adjusting mechanism 500 includes two sliding blocks 510 connected in the sliding cavity 210 in a sliding manner, and the first knurling wheel 300 and the second knurling wheel 400 are respectively connected to the two sliding blocks 510 in a rotating manner and located at one ends of the sliding blocks 510 away from the tool bar 100; an adjusting assembly 520 is arranged on the mounting block 200, the adjusting assembly 520 comprises a bidirectional screw 521, the thread directions of two ends of the bidirectional screw 521 are opposite, the bidirectional screw 521 is rotatably connected with the inside of the sliding cavity 210, two ends of the bidirectional screw 521 respectively penetrate through the two sliding blocks 510, and two ends of the bidirectional screw 521 are respectively in threaded connection with the two sliding blocks 510; the side wall of the installation block 200 is rotatably connected with a rotating rod 540, one end of the rotating rod 540 is connected with the end part of one end of the two-way screw 521, one end of the rotating rod 540, far away from the two-way screw 521, penetrates through the side wall of the installation block 200, and the rotating rod 540 penetrates through the one end of the installation block 200 and is fixedly connected with a rotating block 522 convenient to rotate.

Referring to fig. 1 and 2, a locking assembly 530 is disposed on the bidirectional screw 521, the locking assembly 530 includes a first locking nut 531, the first locking nut 531 is screwed at one end of the rotating rod 540 close to the rotating block 522, the first locking nut 531 abuts against the side wall of the mounting block 200 far from the slider 510, one end of the rotating rod 540 close to the rotating block 522 is screwed with a second locking nut 532, and the second locking nut 532 abuts against the side wall of the first locking nut 531 far from the mounting block 200.

Referring to fig. 3 and 4, a connecting block 800 is fixedly connected to a side of the mounting block 200 away from the tool bar 100, and the connecting block 800 is L-shaped and is located at one end of the mounting block 200; a sliding mechanism 600 is arranged on the connecting block 800, the sliding mechanism 600 comprises a fixing rod 610, and the fixing rod 610 is fixedly connected to one end of the connecting block 800 far away from the mounting block 200; a sliding hole 611 is formed in the fixed rod 610, the axis of the sliding hole 611 is perpendicular to the sliding direction of the slider 510, the axis of the fixed rod 610 coincides with the axis of the cutter bar 100, and the axis of the fixed rod 610 coincides with the center line of the sliding cavity 210; a sliding rod 620 is connected in the sliding hole 611 in a sliding manner, a power assembly 630 is arranged at one end of the sliding rod 620, which is far away from the mounting block 200, the power assembly 630 comprises a rotating screw 631 rotatably connected to one end of the sliding rod 620, which is far away from the mounting block 200, and one end of the rotating screw 631 is located in the sliding hole 611 of the fixed rod 610; one end fixedly connected with coupling nut that installation piece 200 was kept away from to dead lever 610 rotates screw rod 631 and coupling nut threaded connection, and rotates the one end that sliding rod 620 was kept away from to screw rod 631 and passes coupling nut fixedly connected with handle 632.

Referring to fig. 3 and 4, a third knurling wheel 700 is rotatably connected to one end of the sliding rod 620, which is far from the rotary screw 631, and the third knurling wheel 700, the first knurling wheel 300 and the second knurling wheel 400 are on the same plane. The fixing rod 610 is provided with a limiting groove 612, the limiting groove 612 is formed along the length direction of the fixing rod 610, and the limiting groove 612 is communicated with the sliding hole 611; perpendicular fixedly connected with stopper 640 on slide bar 620, stopper 640 slides and connects in spacing groove 612, and the stopper 640 that sets up reduces slide bar 620 and takes place to rotate, reduces the disorder of annular knurl pattern then.

The implementation principle of a knurling structure of the embodiment of the application is as follows: firstly, according to the diameter of a workpiece, a rotating block 522 is rotated, the rotating block 522 drives a bidirectional screw 521 to rotate, the bidirectional screw 521 drives two sliding blocks 510 to approach or separate from each other, then a grip 632 is rotated, the grip 632 drives a rotating screw 631 to rotate, the rotating screw 631 drives a sliding rod 620 to slide in a fixed rod 610, and the sliding rod 620 drives a third knurling wheel 700 to approach or separate from a second knurling wheel 400 until the third knurling wheel 700 is concentric with the first knurling wheel 300 and the second knurling wheel 400; then the cutter bar 100 is fixed on a machine tool, and the machine tool drives the workpiece to rotate to perform knurling on the workpiece.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A knurling structure comprises an installation block (200), a cutter bar (100), a first knurling wheel (300) and a second knurling wheel (400), characterized in that the mounting block (200) is arranged at one end of the cutter bar (100), the mounting block (200) is provided with an adjusting mechanism (500), the adjusting mechanism (500) comprises a sliding block (510) and an adjusting component (520), the mounting block (200) is connected with two sliding blocks (510) in a sliding way, the first knurling wheel (300) is rotationally connected with one of the sliding blocks (510), the second knurling wheel (400) is rotationally connected to the other sliding block (510), the adjusting component (520) is arranged on the mounting block (200), the two sliding blocks (510) are connected with the adjusting component (520), the adjusting component (520) drives the two sliding blocks (510) to approach or move away from each other.

2. A knurled structure according to claim 1, wherein the adjusting assembly (520) comprises a bidirectional screw (521), the bidirectional screw (521) is rotatably connected to the mounting block (200), two ends of the bidirectional screw (521) respectively penetrate through the two sliding blocks (510), and two ends of the bidirectional screw (521) are respectively in threaded connection with the two sliding blocks (510).

3. A knurled structure according to claim 2, characterized in that the adjusting assembly (520) further comprises a turning block (522), the turning block (522) being arranged at one end of the bidirectional screw (521).

4. A knurl structure as claimed in claim 3, wherein a locking component (530) is arranged on the mounting block (200), the locking component (530) comprises a first locking nut (531) and a second locking nut (532), the first locking nut (531) is screwed at one end of the bidirectional screw (521) close to the rotating block (522), the first locking nut (531) is abutted against the mounting block (200), the second locking nut (532) is screwed at one end of the bidirectional screw (521) close to the rotating block (522), and the second locking nut (532) is abutted against the first locking nut (531) and limits the rotation of the bidirectional screw (521).

5. A knurling structure according to claim 1, wherein a sliding mechanism (600) is arranged on said mounting block (200), a third knurling wheel (700) is arranged on said sliding mechanism (600), and said sliding mechanism (600) drives said third knurling wheel (700) to slide along the length direction of said cutter bar (100); the circle center of the third knurling wheel (700), the circle center of the second knurling wheel (400) and the circle center of the first knurling wheel (300) are on the same circle.

6. A knurled structure according to claim 5, wherein the sliding mechanism (600) comprises a fixed rod (610), a sliding rod (620) and a power assembly (630), the fixed rod (610) is arranged on the mounting block (200), the sliding rod (620) is slidably connected on the fixed rod (610), the third knurled wheel (700) is rotatably connected at one end of the sliding rod (620) close to the mounting block (200), and the power assembly (630) is arranged on the fixed rod (610) and connected with the sliding rod (620).

7. The knurling structure of claim 6, wherein the sliding mechanism (600) further comprises a limiting block (640), the fixing rod (610) is provided with a limiting groove (612), the limiting groove (612) is formed along the length direction of the fixing rod (610), the limiting block (640) is arranged on the sliding rod (620), and the limiting block (640) is connected in the limiting groove (612) in a sliding manner.

8. A knurled structure according to claim 7, characterized in that the power assembly (630) comprises a rotary screw (631), the rotary screw (631) is screwed on the fixed bar (610), the rotary screw (631) is rotatably connected with the sliding bar (620) and drives the sliding bar (620) to slide.