CN218503249U

CN218503249U - Feeding wheel locking device of cold header

Info

Publication number: CN218503249U
Application number: CN202221264785.XU
Authority: CN
Inventors: 彭军
Original assignee: Shanghai Chun Zu Machinery Industry Co ltd
Current assignee: Shanghai Chun Zu Machinery Industry Co ltd
Priority date: 2022-05-25
Filing date: 2022-05-25
Publication date: 2023-02-21
Anticipated expiration: 2032-05-25

Abstract

The utility model discloses a feeding wheel locking device of a cold header, which comprises a base, a wheel body, a wheel shaft and an axial locking piece, wherein one shaft end of the wheel shaft is rotatably connected with one side of the base, and the wheel body is detachably connected with the wheel shaft through the axial locking piece; a disc-shaped positioning leaning disc is coaxially fixed at the other shaft end of the wheel shaft, a cylindrical central positioning barrel is coaxially fixed on the outer disc surface of the positioning leaning disc, a central hole of the wheel body is sleeved with the central positioning barrel, and the inner wheel surface of the wheel body is abutted against the outer disc surface of the positioning leaning disc under the locking action of the axial locking piece; the positioning backrest disc is provided with a plurality of positioning holes which are uniformly distributed around the circumference of the wheel axis, the inner wheel surface of the wheel body is in threaded connection with a plurality of inner hexagonal screws, the screw heads of the inner hexagonal screws are protruded out of the inner wheel surface of the wheel body, and the inner hexagonal screws can be inserted into the positioning holes in a sliding way one by one. The wheel body position can be locked both axially and radially.

Description

Feeding wheel locking device of cold header

Technical Field

The utility model relates to a metal forming technology field particularly, is a pay-off wheel locking device of cold heading machine.

Background

At present, a feeding wheel locking mechanism of a multi-station cold header mostly adopts a key plate to compress tightly and then is locked by screws, when the feeding wheel is replaced, all screws need to be unscrewed, all screws need to be screwed during installation, time and labor are wasted, and the efficiency is influenced. Although the non-bolt connection scheme is introduced in the market, the non-bolt connection scheme has the defects that the connection is not firm enough and the like.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a delivery wheel locking device of cold heading machine can radially lock the wheel position at axial and footpath.

The purpose of the utility model is realized like this: a feeding wheel locking device of a cold header comprises a base, a wheel body, a wheel shaft and an axial locking piece, wherein one shaft end of the wheel shaft is rotatably connected with one side of the base, and the wheel body is detachably connected with the wheel shaft through the axial locking piece;

a disc-shaped positioning leaning disc is coaxially fixed at the other shaft end of the wheel shaft, a cylindrical central positioning barrel is coaxially fixed on the outer disc surface of the positioning leaning disc, a central hole of the wheel body is sleeved with the central positioning barrel, and the inner wheel surface of the wheel body is attached to the outer disc surface of the positioning leaning disc under the locking action of an axial locking piece;

the positioning backrest disc is provided with a plurality of positioning holes which are uniformly distributed around the circumference of the wheel axis, the inner wheel surface of the wheel body is in threaded connection with a plurality of inner hexagonal screws, the head parts of the inner hexagonal screws protrude out of the inner wheel surface of the wheel body, and the inner hexagonal screws can be inserted into the positioning holes in a sliding mode one by one.

Further, the axial locking piece includes integrated into one piece and coaxial lock post, hexagonal head, an external pressure section of thick bamboo, a central location section of thick bamboo partially bulges the outer wheel face of wheel body, the lock post is established to the double-screw bolt, the hole of a central location section of thick bamboo is the screw hole, the hole screw-thread fit of a lock post and a central location section of thick bamboo, hexagonal head is established to six cylinder structures, and its one end supports and leans on a central location section of thick bamboo, the internal diameter of an external pressure section of thick bamboo is greater than the external diameter of a central location section of thick bamboo, an external pressure section of thick bamboo axle head and hexagonal head integrated into one piece, its another axle head supports and leans on the outer wheel face of wheel body.

Further, the axial locking piece further comprises a spring, the spring is inserted into an annular groove between the outer pressing barrel and the central positioning barrel, and the spring abuts against the outer wheel surface of the wheel body when the axial locking piece is in a locking state.

Further, the base is connected with the frame in an adjustable mode, and the adjusting direction is perpendicular to the axis of the wheel.

The adjusting stud is rotatably connected with the machine frame, penetrates through the base and is connected with the base in a penetrating mode in a threaded matching mode, and the operating end of the adjusting stud is located outside the machine frame.

The beneficial effects of the utility model reside in that:

1. the wheel body can be axially locked, the axial position of the wheel body is positioned by abutting the positioning leaning disc against the wheel body, then the locking column of the axial locking piece is screwed into the central positioning barrel, so that the wheel body is axially pressed on the positioning leaning disc by the external pressing barrel, and the fastening effect of the threads is enhanced by the elasticity of the spring, so that the axial position of the wheel body is locked;

2. the radial position of the wheel body can be locked while the position of the wheel body is axially locked, and the screw heads of a plurality of inner hexagonal screws of the wheel body are inserted into the positioning holes of the positioning leaning disc one by one while the wheel body is abutted against the positioning leaning disc, so that the radial position of the wheel body is further locked, and the wheel body and the wheel shaft can rotate synchronously all the time;

3. the wheel body is convenient to detach and replace, when the wheel body is detached and replaced, the wheel body can be very conveniently taken down only by screwing off the axial locking piece and considering that the screw head part of the inner hexagonal screw can be in sliding fit with the positioning hole of the positioning leaning disc.

Drawings

Fig. 1 is a schematic view of the installation of the present invention.

Fig. 2 isbase:Sub>A sectional viewbase:Sub>A-base:Sub>A in fig. 1.

Fig. 3 is a schematic view of the usage state of the present invention.

Detailed Description

The invention will be further described with reference to the accompanying figures 1-3 and the specific embodiments.

As shown in fig. 1 and 3, a feeding wheel locking device of a cold header comprises a base 7, a wheel body 4, a wheel shaft 1 and an axial locking piece 6, wherein the base 7 is adjustably connected with a frame 10, and the adjustment direction is perpendicular to the wheel axis, that is, the adjustment direction is vertical, and the wheel axis is set to be horizontal line, in this embodiment, two wheel bodies 4 are installed on one base 7 and correspond to two lower wheels 8 one by one so as to clamp a bar 12 up and down, the frame 10 is provided with a lifting cavity 11, the base 7 is slidably arranged in the lifting cavity 11, the wheel body 4 is arranged outside the lifting cavity 11, an adjusting stud 9 is rotatably connected with the frame 10, the adjusting stud 9 penetrates through the base 7 and penetrates through the base 7 in a thread fit manner, the operating end of the adjusting stud 9 is arranged outside the frame 10, the operating end of the adjusting stud 9 can be adjusted by using a special clamping wrench, the adjusting stud 9 is screwed, the base 7 can be driven to slide up and down along the lifting cavity 11 by using thread fit, the gap between the wheel body 4 and the lower wheels 8 can be adjusted, thereby adjusting the clamping tightness of the bar 12, the wheel shaft end of the wheel shaft 1 is detachably connected with the axial locking piece 6.

A disc-shaped positioning leaning disc 2 is coaxially fixed at the other shaft end of the wheel shaft 1, a cylindrical central positioning barrel 5 is coaxially fixed on the outer disc surface of the positioning leaning disc 2, a central hole of the wheel body 4 is sleeved with the central positioning barrel 5, and the inner disc surface of the wheel body 4 is abutted against the outer disc surface of the positioning leaning disc 2 under the locking action of the axial locking piece 6.

The positioning leaning disc 2 is provided with a plurality of positioning holes 2a which are uniformly distributed around the circumference of the wheel axis, the inner wheel surface of the wheel body 4 is connected with a plurality of inner hexagonal screws 3 in a threaded manner, the head parts of the inner hexagonal screws 3 are protruded out of the inner wheel surface of the wheel body 4, and the inner hexagonal screws 3 can be inserted into the positioning holes 2a one by one in a sliding manner. As shown in fig. 2, in order to ensure the torque transmission effect, the number of the socket head cap screws 3 and the positioning holes 2a is at least three.

The axial locking member 6 includes an integrally formed and coaxial locking column 604, a hexagonal head 601, and an external pressing cylinder 602, the central positioning cylinder 5 partially protrudes out of the outer wheel surface of the wheel body 4, the locking column 604 is set as a stud, the inner hole of the central positioning cylinder 5 is a threaded hole, the locking column 604 is in threaded fit with the inner hole of the central positioning cylinder 5, the hexagonal head 601 is set as a six-sided cylinder structure, one end of the hexagonal head abuts against the central positioning cylinder 5, the inner diameter of the external pressing cylinder 602 is greater than the outer diameter of the central positioning cylinder 5, one shaft end of the external pressing cylinder 602 is integrally formed with the hexagonal head 601, and the other shaft end of the external pressing cylinder abuts against the outer wheel surface of the wheel body 4.

To prevent loosening, the axial locking member 6 further comprises a spring 603, the spring 603 being interposed in an annular groove between the outer pressure cylinder 602 and the central positioning cylinder 5, the spring 603 abutting against the outer wheel surface of the wheel 4 when the axial locking member 6 is in the locked state.

The principle of use of this embodiment is as follows: the axial position of the wheel body 4 is positioned by abutting the positioning leaning disc 2 against the wheel body 4, then the locking column 604 of the axial locking piece 6 is screwed into the central positioning cylinder 5, so that the outer pressing cylinder 602 presses the wheel body 4 on the positioning leaning disc 2 along the axial direction, the elastic force of the spring 603 is used for enhancing the thread fastening effect, and the axial position of the wheel body 4 is locked.

When the wheel body 4 abuts against the positioning leaning disc 2, the screw heads of the plurality of inner hexagonal screws 3 of the wheel body 4 are inserted into the positioning holes 2a of the positioning leaning disc 2 one by one, so that the radial position of the wheel body 4 is further locked, and the wheel body 4 and the wheel shaft 1 can rotate synchronously all the time.

The above are preferred embodiments of the present invention, and those skilled in the art can make various changes or improvements on the above embodiments without departing from the general concept of the present invention, and such changes or improvements should fall within the protection scope of the present invention.

Claims

1. The utility model provides a pay-off wheel device of locking a position of cold heading machine, includes base (7), wheel body (4), shaft (1), axial locking piece (6), shaft (1) an axle end rotates and connects base (7) one side, wheel body (4) connect shaft (1) through axial locking piece (6) detachably, its characterized in that:

a disc-shaped positioning leaning disc (2) is coaxially fixed at the other shaft end of the wheel shaft (1), a cylindrical central positioning barrel (5) is coaxially fixed on the outer disc surface of the positioning leaning disc (2), a central hole of the wheel body (4) is sleeved with the central positioning barrel (5), and the inner disc surface of the wheel body (4) is attached to the outer disc surface of the positioning leaning disc (2) under the locking action of an axial locking piece (6);

the positioning leaning disc (2) is provided with a plurality of positioning holes (2 a) which are circumferentially and uniformly distributed around the axis of the wheel, the inner wheel surface of the wheel body (4) is in threaded connection with a plurality of inner hexagonal screws (3), the head parts of the inner hexagonal screws (3) protrude out of the inner wheel surface of the wheel body (4), and the inner hexagonal screws (3) are slidably inserted into the positioning holes (2 a) one by one.

2. The feed wheel locking device of the cold header as claimed in claim 1, wherein: axial locking piece (6) are including integrated into one piece and coaxial lock post (604), hexagonal head (601), an external pressure section of thick bamboo (602), a central location section of thick bamboo (5) is partly the outer wheel face of salient wheel body (4), the lock post (604) are established to the double-screw bolt, the hole of a central location section of thick bamboo (5) is the screw hole, the hole screw-thread fit of a lock post (604) and a central location section of thick bamboo (5), hexagonal head (601) are established to six cylinder structures, and its one end supports and leans on a central location section of thick bamboo (5), the internal diameter of an external pressure section of thick bamboo (602) is greater than the external diameter of a central location section of thick bamboo (5), an external pressure section of thick bamboo (602) axle head and hexagonal head (601) integrated into one piece, and its another axle head supports and leans on the external wheel face of wheel body (4).

3. The feed wheel locking device of the cold header as claimed in claim 2, wherein: the axial locking piece (6) further comprises a spring (603), the spring (603) is inserted into an annular groove between the outer pressing barrel (602) and the central positioning barrel (5), and the spring (603) abuts against the outer wheel surface of the wheel body (4) when the axial locking piece (6) is in a locking state.

4. The feed wheel locking device of the cold header as claimed in claim 1, wherein: the wheel hub further comprises a frame (10), and the base (7) is adjustably connected with the frame (10) and the adjusting direction is perpendicular to the axis of the wheel.

5. The feed wheel locking device of the cold header as claimed in claim 4, wherein: still include regulation double-screw bolt (9), frame (10) are equipped with lift chamber (11), base (7) slidable ground sets up in lift chamber (11), wheel body (4) are outside lift chamber (11), regulation double-screw bolt (9) are rotated and are connected frame (10), regulation double-screw bolt (9) run through base (7) and through screw-thread fit's mode cross-under base (7), the operation end of regulation double-screw bolt (9) is outside frame (10).

6. The feed wheel locking device of the cold header as claimed in claim 1, wherein: the number of the inner hexagonal screws (3) and the number of the positioning holes (2 a) are at least three.