CN219379620U

CN219379620U - Knurling device for short shaft bar

Info

Publication number: CN219379620U
Application number: CN202320456913.9U
Authority: CN
Inventors: 武松
Original assignee: Fuyang Yutong Electronic Technology Co ltd
Current assignee: Fuyang Yutong Electronic Technology Co ltd
Priority date: 2023-03-13
Filing date: 2023-03-13
Publication date: 2023-07-21
Anticipated expiration: 2033-03-13

Abstract

The utility model discloses a short shaft bar knurling device which comprises a knurling table, a knurling pulley rack A, a knurling pulley rack B, a pressing rod, a supporting beam and a knurling pulley rack C, wherein a carriage limiting rail is welded on the upper surface of the knurling table, the knurling pulley rack A is arranged on the outer side of the carriage limiting rail in a sliding nested mode, the knurling pulley rack B is also arranged on the outer side of the carriage limiting rail in a sliding nested mode, the bottom end of the supporting beam is fixed on the upper surface of the knurling table through a bolt, one end of the pressing rod is movably connected with the top end of the supporting beam through a rotating shaft, the knurling pulley rack A and the knurling pulley rack B are arranged on the outer side of the carriage limiting rail in a sliding mode, the two are connected and fixed through big-head screws, the installation positions of the knurling pulley rack A and the carriage limiting rail are adjustable, the installation position of the knurling pulley rack C is also adjustable, and the installation positions of the short shaft bar can be adjusted according to the size of the short shaft bar, so that the adjustment is fast and convenient, and practical.

Description

Knurling device for short shaft bar

Technical Field

The utility model relates to the field of shaft body machining, in particular to a short shaft bar knurling device.

Background

The short shaft bar needs cutting, polishing, tapping, knurling and other working procedures when in processing, and the knurling is a mechanical process for rolling patterns at the pinch of metal products or other working surfaces, and is mainly used for skid resistance.

When the short shaft bar is knurled, the short shaft bar is clamped between the knurling wheels, one of the knurling wheels is rotated, the surface of the short shaft bar is extruded to form knurling under the rolling extrusion of the knurling wheel, but the position of the knurling wheel of the current knurling device is fixed, the distance between the knurling wheels cannot be quickly adjusted according to the diameter of the short shaft bar, the working efficiency is low, and therefore improvement on the current knurling device is urgently needed.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the utility model aims to provide a short shaft bar knurling device which can adjust the installation position of a flower wheel sliding frame according to the size of a short shaft bar so as to adapt to the short shaft bar, and the short shaft bar knurling device is fast and convenient to adjust and has stronger practicability.

2. Technical proposal

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a minor axis rod knurling device, includes knurling platform, flower wheel slide A, flower wheel slide B, pressure bar, supporting beam and flower wheel slide C down, the upper surface welding of knurling platform has the spacing rail of balladeur train, flower wheel slide A slip nest mounting is in the spacing rail outside of balladeur train, flower wheel slide B also slip nest mounting is in the spacing rail outside of balladeur train, the bottom of supporting beam passes through the bolt fastening at knurling platform upper surface, the one end of pressure bar is through pivot and supporting beam top swing joint down.

Further, the top of the flower wheel sliding frame A is movably provided with a knurling wheel A through a rotating shaft, the upper surface of the flower wheel sliding frame A is embedded with a big head screw A, the big head screw A penetrates through the flower wheel sliding frame A, the big head screw A and the flower wheel sliding frame A are connected through threaded screwing, and the bottom of the big head screw A is tightly attached to the upper surface of a sliding frame limiting rail.

Further, the top of the flower wheel sliding frame B is movably provided with a knurling wheel B through a rotating shaft, the upper surface of the flower wheel sliding frame B is embedded with a big head screw B, the big head screw B penetrates through the flower wheel sliding frame B, the big head screw B and the flower wheel sliding frame B are connected through screw threads in a screwing mode, and the bottom of the big head screw B is tightly attached to the upper surface of the sliding frame limiting rail.

Further, one end of the flower wheel sliding frame C is movably provided with a knurling wheel C through a rotating shaft, the upper surface of the flower wheel sliding frame C is embedded with a big head screw C, the big head screw C and the flower wheel sliding frame C are connected through screw thread screwing, and the bottom end of the big head screw C is tightly attached to the upper surface of the pressing rod.

Further, one end of the rotating shaft of the knurling wheel A is welded with a rotating handle.

Further, one end of the pressing rod is nested with an anti-slip rubber sleeve.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

according to the scheme, the spline pulley rack A and the spline pulley rack B are slidably mounted on the outer side of the sliding frame limiting rail, the spline pulley rack A and the spline pulley rack B are fixedly connected with the sliding frame limiting rail through the big head screw, the mounting positions of the spline pulley rack A and the sliding frame limiting rail are adjustable, the spline pulley rack C is slidably mounted on the outer side of the lower pressure rod, the mounting positions of the spline pulley rack C are also adjustable, the mounting positions of the spline pulley rack C can be adjusted according to the size of the short shaft bar, so that the spline pulley is fast and convenient to adjust, and the practicality is stronger.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic perspective view of a roller skate B according to the present utility model;

FIG. 3 is a schematic perspective view of a roller skate A according to the present utility model;

fig. 4 is a schematic perspective view of a spline skate C according to the present utility model;

FIG. 5 is a schematic perspective view of a pressing rod of the present utility model;

fig. 6 is a schematic perspective view of the present utility model in a use state.

The reference numerals in the figures illustrate:

101. knurling table; 111. a carriage limit rail; 102. a spline pulley rack A; 121. a knurling wheel A; 122. a rotating handle; 123. a big head screw A; 103. a spline pulley bracket B; 131. a knurling wheel B; 132. a big head screw B; 104. pressing down a rod; 141. an anti-slip rubber sleeve; 105. a support beam; 106. a spline pulley rack C; 161. a knurling wheel C; 162. and a large head screw C.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

Referring to fig. 1-6, a short shaft bar knurling device comprises a knurling table 101, a knurling pulley rack a102, a knurling pulley rack B103, a pressing rod 104, a supporting beam 105 and a knurling pulley rack C106, wherein a carriage limiting rail 111 is welded on the upper surface of the knurling table 101, the knurling pulley rack a102 is installed on the outer side of the carriage limiting rail 111 in a sliding nested manner, the knurling pulley rack B103 is installed on the outer side of the carriage limiting rail 111 in a sliding nested manner, the arrangement is convenient for adjusting the distance between the knurling pulley rack a102 and the knurling pulley rack B103 according to the size of a short shaft bar (to be knurled), the bottom end of the supporting beam 105 is fixed on the upper surface of the knurling table 101 through a bolt, one end of the pressing rod 104 is movably connected with the top end of the supporting beam 105 through a rotating shaft, and the arrangement is convenient for controlling the pressing of the pressing down the short shaft bar (to be knurled) to ensure that the surface of the short shaft bar (to be knurled).

Referring to fig. 1 and 3, a knurling wheel a121 is movably mounted at the top end of a spline pulley bracket a102 through a rotating shaft, a large-head screw a123 is embedded in the upper surface of the spline pulley bracket a102, the large-head screw a123 penetrates through the spline pulley bracket a102, the large-head screw a123 and the spline pulley bracket a102 are connected through screw threads in a screwing mode, the bottom end of the large-head screw a123 is tightly attached to the upper surface of a sliding frame limiting rail 111, and in this way, after the position of the spline pulley bracket a102 is adjusted, the large-head screw a123 can be screwed down through screw threads, and the mounting position of the spline pulley bracket a102 is fixed.

Referring to fig. 1 and 2, the top end of the spline pulley B103 is movably provided with a knurling wheel B131 through a rotating shaft, the upper surface of the spline pulley B103 is embedded with a large-head screw B132, the large-head screw B132 penetrates through the spline pulley B103, the large-head screw B132 and the spline pulley B103 are connected through screw threads in a screwing mode, the bottom end of the large-head screw B132 is tightly attached to the upper surface of the carriage limiting rail 111, and therefore after the position of the spline pulley B103 is adjusted, the large-head screw B132 can be screwed down through screw threads, and the mounting position of the spline pulley B103 is fixed.

Referring to fig. 1 and 4, one end of the spline slider C106 is movably provided with a knurling wheel C161 through a rotating shaft, the upper surface of the spline slider C106 is embedded with a large-head screw C162, the large-head screw C162 and the spline slider C106 are connected through screw threads in a screwing manner, the bottom end of the large-head screw C162 is tightly attached to the upper surface of the lower pressure lever 104, and thus, after the position of the spline slider C106 is adjusted, the large-head screw C162 can be screwed up through screwing, and the mounting position of the spline slider C106 is fixed.

Referring to fig. 1 and 3, a rotating handle 122 is welded at one end of the rotating shaft of the knurling wheel a121, so that the knurling wheel a121 is driven to rotate by the rotating handle 122, and when the knurling wheel a121 rotates, the short shaft bar (to-be-knurled piece) is driven to roll and the surface of the short shaft bar (to-be-knurled piece) is knurled.

Referring to fig. 4, an anti-slip rubber sleeve 141 is nested at one end of the pressing rod 104, so that the grip of the anti-slip rubber sleeve 141 is more comfortable.

When in use: firstly, the mounting positions of the spline roller A102, the spline roller B103 and the spline roller C106 are adjusted according to the size of a short shaft bar (to-be-knurled piece), corresponding large head bolts are screwed and screwed to fix the spline roller A102, then according to fig. 6, the short shaft bar (to-be-knurled piece) is placed between the spline roller A102 and the spline roller B103, one end of an anti-slip rubber sleeve 141 of a pressing rod 104 is held by a hand and pressed downwards, so that the spline roller C106 presses the short shaft bar (to-be-knurled piece), at the moment, a rotating handle 122 is held by the hand and rotated, the spline roller A102 is driven to rotate by the rotating handle 122, and the short shaft bar (to-be-knurled piece), the spline roller B103 and the spline roller C106 roll together when the spline roller A102 rotates, and the surface of the short shaft bar (to-be-knurled piece) is knurled.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims

1. The utility model provides a minor axis rod knurling device, includes knurling platform (101), flower wheel slide A (102), flower wheel slide B (103), depression bar (104), supporting beam (105) and flower wheel slide C (106), its characterized in that: the upper surface welding of knurling platform (101) has balladeur train spacing rail (111), the slip nest of flower wheel balladeur train A (102) is installed in balladeur train spacing rail (111) outside, flower wheel balladeur train B (103) also slides the nest and installs in balladeur train spacing rail (111) outside, the bottom of supporting beam (105) is through bolt fastening at knurling platform (101) upper surface, the one end of depression bar (104) is through pivot and supporting beam (105) top swing joint.

2. A stub bar knurling device as defined in claim 1 wherein: the top of flower wheel balladeur train A (102) has knurl wheel A (121) through pivot movable mounting, and the upper surface embedding of flower wheel balladeur train A (102) has big head screw A (123), big head screw A (123) run through flower wheel balladeur train A (102), and big head screw A (123) and flower wheel balladeur train A (102) pass through the screw thread and close the connection, the bottom of big head screw A (123) is hugged closely balladeur train spacing rail (111) upper surface.

3. A stub bar knurling device as defined in claim 1 wherein: the top of flower wheel balladeur train B (103) has knurl wheel B (131) through pivot movable mounting, and the upper surface embedding of flower wheel balladeur train B (103) has big head screw B (132), big head screw B (132) run through flower wheel balladeur train B (103), and big head screw B (132) and flower wheel balladeur train B (103) pass through the screw thread and close to be connected, the lower extreme of big head screw B (132) is hugged closely balladeur train spacing rail (111) upper surface.

4. A stub bar knurling device as defined in claim 1 wherein: one end of the flower wheel sliding frame C (106) is movably provided with a knurling wheel C (161) through a rotating shaft, the upper surface of the flower wheel sliding frame C (106) is embedded with a big head screw C (162), the big head screw C (162) and the flower wheel sliding frame C (106) are connected through screw thread screwing, and the bottom end of the big head screw C (162) is tightly attached to the upper surface of the pressing rod (104).

5. A stub bar knurling device as defined in claim 2 wherein: one end of a rotating shaft of the knurling wheel A (121) is welded with a rotating handle (122).

6. A stub bar knurling device as defined in claim 1 wherein: one end of the lower pressure rod (104) is nested with an anti-slip rubber sleeve (141).