CN216939372U

CN216939372U - Milling and grinding machine for end of reinforcing steel bar

Info

Publication number: CN216939372U
Application number: CN202122807573.3U
Authority: CN
Inventors: 梁亮
Original assignee: Zhengzhou Daliang Intelligent Technology Co ltd
Current assignee: Zhengzhou Daliang Intelligent Technology Co ltd
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-07-12
Anticipated expiration: 2031-11-17

Abstract

The utility model discloses a milling and grinding machine for a reinforcing steel bar end, and aims to solve the technical problems of uneven milling and grinding and poor milling and grinding effect caused by the fixation of a milling cutter of the existing machine. The milling and grinding machine comprises a translation mechanism, a support frame, a milling and grinding mechanism and a tool clamp; the support frame is provided with the connecting rod and the reinforcing ribs, so that the support effect of the support frame is greatly guaranteed; the tool clamp adopts the driving cylinder to clamp and position the reinforcing steel bar so as to avoid the problem of poor milling effect caused by the loosening of the reinforcing steel bar in the milling process; furthermore, the milling and grinding mechanism is fixed on the translation mechanism and moves left and right along with the translation base under the driving of the translation driving motor, grinding can be carried out after milling, and the milling and grinding can be more uniform due to the left and right movement, and the milling and grinding effect is better.

Description

Milling and grinding machine for end of reinforcing steel bar

Technical Field

The utility model relates to the technical field of construction steel bar processing, in particular to a milling and grinding machine for a steel bar end.

Background

According to the technical specification of highway, bridge and culvert construction (JTG/TF50-2011), for HRB335 and HRB 400-grade hot-rolled ribbed steel bars with the diameter of the steel bars being more than or equal to 25mm, the mechanical connection among the steel bars is preferably realized by adopting upset straight threads, rolling straight threads or sleeve extrusion connection joints. In the technical code for mechanical connection of reinforcing bars (JGJ107-2010)6.1.2, the on-site machining of straight threaded joints should comply with the following regulations: the ends of the reinforcing steel bars are cut flat or upset flat and then threaded.

The existing steel bar end grinding machine only uses a milling cutter to mill and grind the steel bar end, the grinding effect is poor, the milling cutter is fixed in the grinding process, so that the milling and grinding are not uniform, and the problem that the end face of a steel bar is not flat or corner burrs/edges and corners exist is caused.

Disclosure of Invention

The utility model aims to provide a milling and grinding machine for a reinforcing steel bar end, and aims to solve the technical problems of uneven and smooth grinding and poor milling and grinding effect caused by the fixation of a milling cutter of the existing machine.

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

a milling and grinding machine for the end of a reinforcing steel bar is designed, which mainly comprises:

the supporting frame comprises a supporting plate, four corners of the supporting plate are fixedly connected with one end of a supporting upright post, a mounting hole is formed in the supporting plate, and a fixing plate extends outwards from the other end of the supporting upright post;

the translation mechanism comprises two parallel translation shafts and a translation driving motor, the two translation shafts are fixed on the upper surface of the supporting plate and are positioned above the mounting hole, the translation driving motor is fixed on the lower surface of the supporting plate and is positioned below the mounting hole, guide blocks are mounted on the translation shafts, translation bases are fixedly mounted on the guide blocks, the translation driving motor drives racks arranged between the translation shafts through belts, and gear teeth matched with the racks are arranged on the lower surface of the translation base;

the milling and grinding mechanism comprises a milling cutter frame and a grinding and brushing frame which are fixedly arranged on the translation base side by side and move synchronously with the translation base, wherein a milling and grinding driving motor is fixed on the upper part of the milling cutter frame, and the milling and grinding driving motor drives a milling cutter transmission shaft and a grinding and brushing transmission shaft which are fixed on the milling cutter frame and the grinding and brushing frame through a belt, so that a milling cutter and a grinding and brushing arranged at one end of the milling cutter transmission shaft and the grinding and brushing transmission shaft are driven;

frock clamp, include the punch holder and fix lower plate in the backup pad, punch holder upper portion is connected with the drive shaft, the drive shaft is driven by driving actuating cylinder, frock clamp sets up the place ahead of milling cutter and scrubbing brush.

Preferably, a connecting rod is arranged between the supporting columns.

Preferably, reinforcing ribs are arranged between the supporting upright post and the supporting plate and between the supporting upright post and the connecting rod.

Preferably, the fixing plate is provided with a bolt hole.

Preferably, the milling cutter transmission shaft and the grinding brush transmission shaft are perpendicular to the translation shaft.

Preferably, a slag collecting pipeline is arranged downwards on the supporting plate at a position corresponding to the milling cutter and the grinding brush.

Preferably, an isolation layer is arranged between the milling cutter frame and the milling and grinding driving motor.

Preferably, the isolation layer comprises an upper isolation plate and a lower isolation plate which are fixedly connected by four bolts.

Compared with the prior art, the utility model has the main beneficial technical effects that:

1. the grinding brush is arranged beside the milling cutter, the milling cutter finishes milling and simultaneously polishes, the milling cutter and the grinding brush are driven by the milling and polishing driving motor in a unified mode to mill and polish the end of the reinforcing steel bar, and the milling and polishing effect is good.

2. According to the utility model, the milling cutter and the grinding brush can move transversely through the design of the translation structure, so that the steel bar end is comprehensively milled and ground, the problem of uneven milling and grinding is avoided, and the milling and grinding effect is further enhanced.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a second schematic structural diagram of an embodiment of the present invention.

Fig. 3 is a third schematic structural diagram according to an embodiment of the present invention.

In the above figures, 11 is a supporting column, 12 is a connecting rod, 13 is a supporting plate, 14 is a slag collecting pipeline, 15 is a fixing plate, 21 is a grinding frame, 22 is a grinding transmission shaft, 23 is a grinding brush, 31 is a milling cutter frame, 32 is a milling cutter, 41 is a translation driving mechanism, 42 is a milling driving mechanism, and 5 is a tool clamp.

Detailed Description

The following examples are intended to illustrate the present invention in detail and should not be construed as limiting the scope of the present invention in any way.

In the description of the present invention, it is to be understood that the orientations or positional relationships indicated as referring to the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like are based on the orientations or positional relationships shown in the drawings only for the convenience of describing technical solutions and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, are not to be construed as limiting the present invention.

The unit mechanisms in the following examples are all conventional commercially available products unless otherwise specified.

Example 1: a rebar end mill, see fig. 1, 2 and 3, comprising:

the supporting frame comprises a supporting plate 13, four corners of the supporting plate 13 are fixedly connected with one end of the supporting upright post 11, and the supporting plate 13 is provided with a mounting hole for mounting the translation mechanism; the other end of the supporting upright post 11 extends outwards to form a fixing plate 15, a bolt hole is formed in the fixing plate 15 and used for being fixed on the ground or a table top, a connecting rod 12 is arranged between the supporting upright posts 11 and used for reinforcing the supporting function of the supporting frame, and furthermore, reinforcing ribs are arranged between the supporting upright posts 11 and the supporting plate 13 and between the supporting upright posts 12 and used for further reinforcing the supporting function of the supporting frame so as to prevent the problem that the supporting frame is not firm when the end of the reinforcing steel bar is milled and ground;

the translation mechanism comprises two translation shafts which are fixed on the upper surface of the supporting plate 13 and are positioned above the mounting hole in parallel and a translation driving motor 41 which is fixed on the lower surface of the supporting plate 13 and is positioned below the mounting hole, a guide block is arranged on each translation shaft, and a translation base is fixedly arranged on each guide block; the translation driving motor drives racks arranged between the translation shafts through a belt, gear teeth matched with the racks are arranged on the lower surface of the translation base, and the gear teeth are matched with the racks to transmit the power of the translation driving motor 41 to the translation base, so that the translation base is transversely moved left and right;

the milling and grinding mechanism comprises a milling cutter frame 31 and a grinding and brushing frame 21 which are fixedly arranged on the translation base side by side and move synchronously with the translation base, a milling and grinding driving motor 42 is fixed on the upper part of the milling cutter frame, an isolating layer is arranged between the milling cutter frame and the milling and grinding driving motor 42, and the isolating layer comprises an upper isolating plate and a lower isolating plate which are fixedly connected by four bolts so as to prevent the milling cutter 32 and the grinding and brushing from influencing the milling and grinding driving motor 42 during working; the milling and grinding driving motor 42 drives the milling cutter transmission shaft and the grinding and brushing transmission shaft 22 fixed on the milling cutter frame 31 and the grinding and brushing frame 21 through a belt, so as to drive the milling cutter 32 and the grinding and brushing 23 arranged at one end of the milling cutter transmission shaft and the grinding and brushing transmission shaft 22, and the milling cutter 32 and the grinding and brushing 23 can be replaced as required;

the tool fixture 5 comprises an upper clamping plate and a lower clamping plate fixed on the supporting plate, the lower clamping plate is fixed on the supporting plate through a lifting fixing table, the upper part of the upper clamping plate is connected with a driving shaft, the driving shaft is driven by a driving cylinder, and the tool fixture 5 is arranged in front of the milling cutter and the grinding brush to adapt to the work of the utility model;

the supporting plate 13 is provided with a slag collecting pipe 14 at a position corresponding to the milling cutter 32 and the grinding brush 23, which is used for collecting waste materials generated in the milling process, so that a good working environment can be created and maintained for the milling machine, and the service life of the milling machine can be prolonged.

The operation and use method of the steel bar end milling and grinding machine comprises the following steps:

during the use, be fixed in this machine on ground or table surface through bolted connection, place the reinforcing bar in frock clamp between punch holder and the lower plate, make the reinforcing bar end arrange in and leave milling cutter suitable position department begins to drive actuating cylinder and makes the punch holder steps up the reinforcing bar to open this machine power, make translation driving motor with mill the operation of grinding driving motor, the mill that begins the reinforcing bar end grinds the work, mills the in-process the translation base is controlled by the control program that sets up and is controlled the sideslip, the more even and work of polishing simultaneously that just can mill.

While the utility model has been described in detail with reference to the drawings and examples, it will be understood by those skilled in the art that various changes in the details of the embodiments and various changes in the details of construction and materials may be made therein without departing from the spirit of the utility model and without departing from the scope of the utility model.

Claims

1. A steel bar end milling and grinding machine, comprising:

frock clamp includes the punch holder and fixes lower plate in the backup pad, punch holder upper portion is connected with the drive shaft, the drive shaft is by driving actuating cylinder drive, frock clamp sets up the place ahead of milling cutter and scrubbing brush.

2. The rebar end milling machine according to claim 1, wherein a connecting rod is disposed between the support columns.

3. The rebar end milling and grinding machine of claim 2, wherein reinforcing ribs are arranged between the support columns and the support plates and between the support columns and the connecting rods.

4. The rebar end milling and grinding machine of claim 1, wherein the fixing plate is provided with bolt holes.

5. A rebar end milling and grinding machine as claimed in claim 1 wherein the milling cutter drive shaft and the brushing drive shaft are disposed perpendicular to the translation shaft.

6. A steel bar end milling and grinding machine according to claim 1, wherein a slag collecting duct is provided downwards on the support plate at a position corresponding to the milling cutter and the grinding brush.

7. The rebar end milling-grinding machine of claim 1, wherein an isolation layer is disposed between the milling-grinding cutter holder and the milling-grinding drive motor.

8. The rebar end milling machine of claim 7, wherein the insulation layer comprises upper and lower insulation plates fixedly connected by four bolts.