CN221290602U

CN221290602U - Welding rake grinding device

Info

Publication number: CN221290602U
Application number: CN202323037971.7U
Authority: CN
Inventors: 王晶; 任秋明
Original assignee: SHANGHAI SEC MACHINERY & EQUIPMENT CO LTD
Current assignee: SHANGHAI SEC MACHINERY & EQUIPMENT CO LTD
Filing date: 2023-11-10
Publication date: 2024-07-09
Anticipated expiration: 2033-11-10

Abstract

The utility model relates to a welding rake polishing device which comprises a base, a grinding wheel driving mechanism, a workpiece supporting mechanism, a workpiece rotating mechanism and a workpiece transverse pushing mechanism, wherein the base is provided with a plurality of grinding wheels; the grinding wheel driving mechanism, the workpiece supporting mechanism, the workpiece rotating mechanism and the workpiece transverse pushing mechanism are all arranged on the base; the grinding wheel driving mechanism is used for driving the grinding wheel to polish the welding rake; the workpiece supporting mechanism is used for supporting a workpiece; the workpiece rotating mechanism is used for driving the workpiece to rotate; the workpiece transverse pushing mechanism is used for pushing the workpiece to feed or return to the direction of the grinding wheel. Compared with the prior art, the welding rake polishing device can realize the butt welding rake of polishing the steel bar by arranging the workpiece supporting mechanism, the workpiece rotating mechanism and the workpiece transverse pushing mechanism, can realize automatic polishing, increase polishing speed, improve production efficiency and avoid possible damages caused by manual polishing by arranging the grinding wheel driving mechanism and the workpiece rotating mechanism.

Description

Welding rake grinding device

Technical Field

The utility model relates to the technical field of polishing, in particular to a welding rake polishing device.

Background

In the prior art, when a steel bar butt welding rake is polished, a common vertical grinding machine can be used, and a matched grinding wheel is a common corundum abrasive grinding wheel. Small vertical grinding machines typically require manual handling of the workpiece to be machined. The vertical grinder has a simple structure, but has the following defects: 1. the grinding wheel is easy to damage, a plurality of grinding wheels are used every day, the manufacturing cost of the corundum abrasive grinding wheel is high, and the time for replacing the grinding wheel is wasted; 2. the manual polishing speed is low; 3. the abrasive particles have large dust, so that environmental pollution is caused, and although matched dust removing equipment is arranged, part of the abrasive particles and dust fly out; 4. during polishing, abrasive particles of the grinding wheel are easy to splash into eyes to cause injury, the grinding wheel with hidden quality hazards is easy to break in the polishing process, and the grinding wheel flies to the body of a worker to cause physical injury.

Some convenient vertical grinding machines are provided with clamping mechanisms. For example, CN217394573U discloses a vertical grinder for machining locomotive accessories with a clamping structure, which makes a connecting rod move back and forth through an electric push rod, so as to drive a cross beam to move, so that the cross beam drives a moving sleeve, and then drives a movable plate to move through a movable rod, so that a rotating shaft moves, and drives a connecting plate to move in opposite directions, so that two clamping plates are clamped, but the grinder is only suitable for clamping and polishing a planar workpiece. CN219704506U discloses a vertical grinder with a clamping structure, which comprises a base, a dual-mode clamping structure, an adjusting operation arm and a movement adjusting mechanism, wherein the dual-mode clamping structure is used for clamping a planar workpiece and an arc-shaped workpiece; the adjusting operation arm is connected to the bottom of the dual-mode clamping structure and is used for fine adjustment of the machining position of the dual-mode clamping structure when the dual-mode clamping structure is used for sanding; the movable adjusting mechanism is arranged on the base, the adjustable operating arm is arranged on the movable adjusting mechanism, the movable adjusting mechanism is used for enabling the adjustable operating arm and the dual-mode clamping structure to be movable and adjustable along the length direction of the base, and the grinder also limits the shape of a workpiece.

Therefore, a device suitable for polishing a butt welding rake of a steel rod (steel pipe) is needed to improve the production efficiency.

Disclosure of utility model

The utility model aims to solve the defects of the prior art and provide a welding rake polishing device, wherein the butt welding rake for polishing a steel bar (steel pipe) can be realized by arranging a workpiece supporting mechanism, a workpiece rotating mechanism and a workpiece transverse pushing mechanism, and the automatic polishing can be realized by arranging a grinding wheel driving mechanism and a workpiece rotating mechanism, so that the polishing speed is increased, the production efficiency is improved, and the possible damage caused by manual polishing can be avoided.

The aim of the utility model can be achieved by the following technical scheme:

The utility model aims to provide a welding rake polishing device which comprises a base, a grinding wheel driving mechanism, a workpiece supporting mechanism, a workpiece rotating mechanism and a workpiece transverse propelling mechanism, wherein the workpiece supporting mechanism is arranged on the base; the grinding wheel driving mechanism, the workpiece supporting mechanism, the workpiece rotating mechanism and the workpiece transverse pushing mechanism are all arranged on the base; the grinding wheel driving mechanism is connected with the grinding wheel and is used for driving the grinding wheel to polish the welding rake; the workpiece supporting mechanism comprises a first bearing assembly and a second bearing assembly and is used for supporting a workpiece; the first bearing assembly and the second bearing assembly are oppositely arranged in the vertical direction; the workpiece rotating mechanism is arranged on one side of the workpiece supporting mechanism and is used for driving the workpiece to rotate; the workpiece transverse pushing mechanism is connected with the workpiece supporting mechanism and is used for pushing the workpiece to feed or return to the direction of the grinding wheel.

Further, the welding rake polishing device also comprises a workbench; the workbench is fixed on the base.

Further, the grinding wheel driving mechanism comprises a first motor, a transmission assembly, a grinding wheel supporting assembly and a main shaft; the first motor is fixed on the base; the first motor is connected with the main shaft through a transmission assembly; the main shaft is arranged in the grinding wheel supporting assembly; the grinding wheel is mounted at one end (right end) of the spindle.

Further, the drive assembly includes a belt; the belt is connected with the first motor and the main shaft through belt pulleys respectively.

Further, the transmission assembly further comprises a first belt pulley and a second belt pulley; the first belt pulley is arranged on the first motor; the second belt pulley is arranged at the other end of the main shaft; the belt is mounted on a first pulley and a second pulley.

Further, the first motor comprises a first motor body and a first motor shaft connected with the first motor body, and the first belt pulley is connected with the shaft end of the second motor.

Further, the grinding wheel support assembly comprises a first bearing seat and a second bearing seat; the first bearing seat and the second bearing seat are arranged on the workbench; the main shaft is arranged in the first bearing seat and the second bearing seat.

Further, the workpiece supporting mechanism comprises a sliding block, a guide rail, a supporting plate, a bracket and a second air cylinder; the guide rail is arranged on the workbench; the sliding block is matched with the guide rail; the supporting plate is arranged on the left sliding block and the right sliding block; the second cylinder is arranged on the top plate of the bracket; the bracket and the first bearing component are arranged on the supporting plate; the second bearing assembly is connected with the second cylinder.

Further, the second cylinder comprises a second cylinder body and a second cylinder shaft connected with the second cylinder body, the second cylinder body is installed on the support top plate, and the second bearing assembly is connected with the second cylinder shaft.

Further, the workpiece transverse pushing mechanism comprises a first fixed block, a first air cylinder, a second fixed block and a limiting block; the second fixed block and the limiting block are welded on the workbench; the first fixed block is arranged at the bottom of the supporting plate; the second fixed block and the limiting block are arranged on two sides of the first fixed block; a first cylinder is arranged between the first fixed block and the second fixed block; the first cylinder is fixed between the first fixed block and the second fixed block through a third bolt and a fourth bolt respectively.

Further, the first cylinder comprises a first cylinder body and a first cylinder shaft connected with the first cylinder body, the first cylinder body is arranged on the second fixed block, and the first fixed block is connected with the first cylinder shaft.

Further, the first bearing assembly comprises a first bearing support and a first bearing; the second bearing assembly comprises a second bearing support, and the second bearing support is arranged on the supporting plate; the second bearing support is connected with the second cylinder; the first bearing is fixed on the first bearing support through a first bolt; the second bearing is fixed on the second bearing support through a second bolt.

Further, the workpiece rotating mechanism comprises a clamping block and a second motor; the second motor is fixed on the workbench; the clamping block is connected with the second motor.

Further, the second motor comprises a second motor body and a second motor shaft connected with the second motor body, and the second motor body is fixed on the workbench; the clamping block is connected with the shaft end of the second motor.

Further, the welding rake polishing device also comprises a control mechanism; the control mechanism is respectively connected with the grinding wheel driving mechanism, the workpiece rotating mechanism and the workpiece transverse pushing mechanism.

Further, the control mechanism is respectively in communication connection with the grinding wheel driving mechanism, the workpiece rotating mechanism and the workpiece transverse pushing mechanism, wherein the communication connection can be wired or wireless connection, and the wired connection is connected through a wire.

Further, the control mechanism includes a Programmable Logic Controller (PLC); the Programmable Logic Controller (PLC) is respectively connected with the grinding wheel driving mechanism, the workpiece rotating mechanism and the workpiece transverse propelling mechanism.

Further, the Programmable Logic Controller (PLC) includes a PLC touch screen; the PLC touch screen is embedded in the workbench.

Further, the grinding wheel is a diamond grinding wheel.

Compared with the prior art, the utility model has the following beneficial effects:

1) According to the welding rake polishing device provided by the utility model, the butt welding rake for polishing the steel bar (steel pipe) can be realized by arranging the workpiece supporting mechanism, the workpiece rotating mechanism and the workpiece transverse pushing mechanism.

2) According to the welding rake polishing device, the automatic polishing can be realized by arranging the grinding wheel driving mechanism and the workpiece rotating mechanism, the polishing speed is increased, the production efficiency is improved, and the possible injury of manual polishing can be avoided.

3) The welding rake polishing device provided by the utility model has the advantages of simple and reasonable structural arrangement, higher automation degree and high production stability.

4) The welding rake polishing device provided by the utility model can be used for selecting the diamond grinding wheel, the service life of the diamond grinding wheel is long, the use cost is low, compared with a vertical grinding machine using a corundum grinding wheel, the welding rake polishing device using the diamond grinding wheel can save 1-1.5 yuan per product, and when the products are all produced in batches, a large amount of cost can be saved each year, and the production cost is reduced; in addition, the polishing speed of the diamond grinding wheel is faster than that of the corundum grinding wheel, which can reach about 1.5 times, and the diamond grinding wheel does not generate abrasive particles and dust, so that the corundum grinding wheel can be prevented from generating a large amount of splashed abrasive particles and dust and polluting the environment.

Drawings

Fig. 1 is an elevation view of a rake grinding device in an embodiment of the utility model.

Fig. 2 is a partial schematic view of the view angle in the direction a of fig. 1.

Fig. 3 is a side view of a rake grinding device in an embodiment of the utility model.

Fig. 4 is an elevation view of a workpiece of a rake grinding device in an embodiment of the utility model as it is ground on the device.

Fig. 5 is a side view of a workpiece of a rake grinding apparatus in an embodiment of the utility model as it is ground on the apparatus (with the edges of the wheel portions being masked indicated by dashed lines).

Fig. 6 is a partial schematic view of the view in the B direction of fig. 4.

The reference numerals in the figures indicate:

1. The welding tool comprises a base, 2, a first motor, 3, a first belt pulley, 4, a belt, 5, a second belt pulley, 6, a first bearing seat, 7, a first bolt, 8, a first bearing, 9, a second bolt, 10, a second bearing, 11, a second bearing seat, 12, a first bearing seat, 13, a sliding block, 14, a guide rail, 15, a supporting plate, 16, a PLC touch screen, 17, a main shaft, 18, a second bearing seat, 19, a grinding wheel, 20, a clamping block, 21, a second motor, 22, a workbench, 23, a third bolt, 24, a first fixed block, 25, a first cylinder, 26, a support, 27, a second cylinder, 28, a second fixed block, 29, a fourth bolt, 30, a limiting block, 31, a workpiece and 32, and a welding rake which need to be polished.

Detailed Description

The utility model will now be described in detail with reference to the drawings and specific examples. Features such as a part model, a material name, a connection structure, a control method and the like which are not explicitly described in the technical scheme are all regarded as common technical features disclosed in the prior art.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be the communication between the two elements or the interaction relationship between the two elements; "upper", "lower", "left", "right", and the like are used only to indicate relative positional relationships, which may be changed when the absolute position of the object to be described is changed. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

It is noted that in the present utility model, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.

Examples

The embodiment provides a welding rake polishing device, referring to fig. 1 to 6, the welding rake polishing device comprises a base 1; the first motor 2 and the workbench 22 are fixed on the base 1; the first pulley 3 is mounted on the first motor 2; the first bearing seat 6 and the second bearing seat 18 are mounted on a workbench 22; the main shaft 17 is mounted in the first bearing housing 6 and the second bearing housing 18; the second belt pulley 5 is arranged at the left end of the main shaft 17; the belt 4 is mounted on the first pulley 3 and the second pulley 5; the grinding wheel 19 is arranged at the right end of the main shaft 17; the guide rail 14 is mounted on the table 22; the sliding block 13 is matched with the guide rail 14; the supporting plate 15 is arranged on the left sliding block 13 and the right sliding block 13; the second fixed block 28 and the limiting block 30 are welded on the workbench 22; the first fixed block 24 is arranged at the bottom of the supporting plate 15; the first cylinder 25 is fixed between the second fixed block 28 and the first fixed block 24 by a third bolt 23 and a fourth bolt 29, respectively; the second cylinder 27 is arranged on the top plate of the bracket 26; the bracket 26 and the first bearing support 12 are mounted on the pallet 15; the second bearing support 11 is connected with a second cylinder 27 through a shaft; the first bearing 8 is fixed to the first bearing support 12 by a first bolt 7; the second bearing 10 is fixed on the second bearing support 11 by a second bolt 9; the PLC touch screen 16 is embedded in the workbench 22; the second motor 21 is fixed on the workbench 22; the clamping block 20 is connected with the shaft end of the second motor 21.

The grinding wheel 19 is a diamond grinding wheel.

The Programmable Logic Controller (PLC) comprises a PLC touch screen 16, and is respectively in communication connection with the first motor 2, the second motor 21, the first air cylinder 25 and the second air cylinder 27 so as to control the operation of the motors and the air cylinders. The specific working principle of the PLC is the prior art, and is not described here in detail.

The working method of the welding rake polishing device comprises the following steps:

The motor 2 is started, the workpiece 31 is horizontally arranged between the first bearing 8 and the second bearing 10, and one end of the workpiece 31 with a long hole is placed in the right clamping block 20. After the start key is pressed, the following actions are automatically controlled by the PLC program: the left cylinder 27 and the right cylinder 27 are pressed downwards to drive the second bearing 10 to press the workpiece downwards; then the motor 21 is started to drive the workpiece to rotate slowly; then the cylinder 25 is pushed forward before air is introduced, the supporting plate 15 is pushed to feed in the direction of the grinding wheel 19 until a welding rake 32 on a workpiece to be ground is contacted with the grinding wheel 19 and then starts to be ground; when the supporting plate 15 is fed and touches the limiting block 30, the supporting plate is not moved forward any more; at the moment, the welding harrow is polished, the air cylinder 25 reversely feeds air, and the supporting plate 15 is pulled back to the initial position; the motor 21 stops rotating, the air cylinder 27 reversely feeds air to drive the second bearing 10 to move upwards, and the workpiece 31 is loosened; finally, the polished workpiece 31 is taken out.

As shown in fig. 5, a is a depression, the depression is achieved by the air cylinder 27, b is a push-forward, and the push-forward is achieved by the air cylinder 25.

The previous description of the embodiments is provided to facilitate a person of ordinary skill in the art in order to make and use the present utility model. It will be apparent to those skilled in the art that various modifications can be readily made to these embodiments and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present utility model is not limited to the above-described embodiments, and those skilled in the art, based on the present disclosure, should make improvements and modifications without departing from the scope of the present utility model.

Claims

1. The welding rake polishing device is characterized by comprising a base (1), a grinding wheel (19), a grinding wheel driving mechanism, a workpiece supporting mechanism, a workpiece rotating mechanism and a workpiece transverse propelling mechanism;

The grinding wheel driving mechanism, the workpiece supporting mechanism, the workpiece rotating mechanism and the workpiece transverse pushing mechanism are all arranged on the base (1);

The grinding wheel driving mechanism is connected with the grinding wheel (19) and is used for driving the grinding wheel (19) to polish the welding rake;

The workpiece supporting mechanism comprises a first bearing assembly and a second bearing assembly and is used for supporting a workpiece; the first bearing assembly and the second bearing assembly are oppositely arranged in the vertical direction;

the workpiece rotating mechanism is arranged on one side of the workpiece supporting mechanism and is used for driving the workpiece to rotate;

The workpiece transverse pushing mechanism is connected with the workpiece supporting mechanism and is used for pushing the workpiece to feed or return to the direction of the grinding wheel (19).

2. Welding rake grinding device according to claim 1, characterized in that the grinding wheel drive mechanism comprises a first motor (2), a transmission assembly, a grinding wheel support assembly, a spindle (17);

The first motor (2) is fixed on the base (1);

the first motor (2) is connected with the main shaft (17) through a transmission assembly;

the main shaft (17) is arranged in the grinding wheel supporting assembly;

the grinding wheel (19) is arranged at one end of the main shaft (17).

3. Welding rake grinding device according to claim 2, characterized in that the transmission assembly comprises a belt (4);

The belt (4) is respectively connected with the first motor (2) and the main shaft (17).

4. The welding rake grinding device as set forth in claim 1 wherein the workpiece support mechanism comprises a slider (13), a rail (14), a pallet (15), a bracket (26), a second cylinder (27);

The sliding block (13) is matched with the guide rail (14);

The supporting plate (15) is arranged on the sliding block (13);

The second cylinder (27) is arranged on the top plate of the bracket (26);

The bracket (26) and the first bearing assembly are mounted on a pallet (15);

The second bearing assembly is connected to a second cylinder (27).

5. A welding rake grinding device according to claim 3, characterized in that the work piece transverse pushing mechanism comprises a first fixed block (24), a first cylinder (25), a second fixed block (28), a limiting block (30);

The first fixing block (24) is arranged at the bottom of the supporting plate (15);

The second fixed block (28) and the limiting block (30) are arranged on two sides of the first fixed block (24);

A first cylinder (25) is arranged between the first fixed block (24) and the second fixed block (28).

6. A welding rake grinding device according to claim 3, characterized in that the first bearing assembly comprises a first bearing support (12), a first bearing (8);

The second bearing assembly comprises a second bearing support (11) and a second bearing (10)

The first bearing support (12) is arranged on the supporting plate (15);

the second bearing support (11) is connected with a second air cylinder (27);

The first bearing (8) is fixed on the first bearing support (12);

The second bearing (10) is fixed on the second bearing support (11).

7. The welding rake grinding device as set forth in claim 1 wherein the workpiece rotation mechanism comprises a fixture block (20), a second motor (21);

The clamping block (20) is connected with the second motor (21).

8. The welding-rake grinding device of claim 1 further comprising a control mechanism;

The control mechanism is respectively connected with the grinding wheel driving mechanism, the workpiece rotating mechanism and the workpiece transverse pushing mechanism.

9. The welding-rake grinding device of claim 8 wherein the control mechanism includes a programmable logic controller;

The programmable logic controller is respectively connected with the grinding wheel driving mechanism, the workpiece rotating mechanism and the workpiece transverse propelling mechanism.

10. Welding rake grinding device according to claim 1, characterized in that the grinding wheel (19) is a diamond grinding wheel.