CN215363379U

CN215363379U - Guiding and positioning device

Info

Publication number: CN215363379U
Application number: CN202121264847.2U
Authority: CN
Inventors: 刘赵龙; 杨颖�
Original assignee: Kunming Coach Manufacturing Co ltd
Current assignee: Kunming Coach Manufacturing Co ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2021-12-31
Anticipated expiration: 2031-06-07

Abstract

The utility model relates to the technical field of tool fixtures, in particular to a guiding and positioning device which comprises a transport trolley, guide rails and a positioning mechanism, wherein the two guide rails are fixed on the ground at intervals, a plurality of bearings are arranged in a channel at the inner side of each guide rail, the two sides of the transport trolley and the bearings on the two guide rails are arranged in a close fit manner, the positioning mechanism comprises a first fixed base and a second fixed base, a first telescopic pin shaft is arranged on the first fixed base, and a second telescopic pin shaft is arranged on the second fixed base; the bottom of the transport trolley is provided with a positioning block, the bottom of the positioning block is provided with a positioning hole, the first telescopic pin shaft is tightly attached to the positioning block after extending out, and the second telescopic pin shaft is sleeved in the positioning hole after extending out. The utility model avoids the problems of inaccurate positioning and difficult fixation when using manpower for carrying and installing the tool, greatly reduces the idle waste of equipment, reduces the labor time of workers and can effectively improve the production efficiency.

Description

Guiding and positioning device

Technical Field

The utility model relates to the technical field of transportation, disassembly and assembly of a tool clamp, in particular to a guiding and positioning device.

Background

In industrial machinery production, in order to facilitate the movement of a workpiece or a tool to a specified position, guide positioning needs to be carried out in the moving process of the workpiece or the tool so as to facilitate the movement of the workpiece to the specified position to stop and fix the workpiece, and a guide mechanism is a mechanism for guiding wheels to move relative to a guide frame body according to a certain rule so as to transmit longitudinal force, lateral force and moment caused by the longitudinal force and the lateral force. The guiding devices are needed in the processes of transmission, walking and the like, and the guiding devices are also diversified according to different transmission or walking modes of the equipment.

In the course of working of equipment, from one process to another process, often need transport the work piece through modes such as travelling bogie or artificial transport, then fix and process on frock clamp, often need frequently to change corresponding frock clamp when facing different work pieces, the frock is difficult to direction and location at the in-process of transportation, installation, takes place to remove easily and leads to the potential safety hazard scheduling problem. In addition, in the process from one procedure to another procedure, the workpieces need to be disassembled first, then the workpieces need to be loaded, transported, unloaded, clamped and fixed, and the workpieces need to be unloaded and transported after the workpieces are processed.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems mentioned in the background art, the utility model provides a guiding and positioning device, so that the problems of complicated flow, difficult guiding and positioning and easy movement to cause potential safety hazards in the processes of dismounting and transporting workpieces or tools can be solved.

In order to achieve the purpose, the utility model adopts the technical scheme that:

a guiding and positioning device comprises a transport trolley, two guide rails and a positioning mechanism, wherein the two guide rails are fixed on the ground at intervals, a channel is arranged on the inner side of each guide rail, a plurality of bearings are arranged in the channel, the two sides of the transport trolley and the bearings on the two guide rails are arranged in a close fit manner, the positioning mechanism is arranged on the ground between the two guide rails, the positioning mechanism comprises a first fixed base and a second fixed base, a first telescopic pin shaft is arranged on the first fixed base, and a second telescopic pin shaft is arranged on the second fixed base; the bottom of the transport trolley is provided with a positioning block, the bottom of the positioning block is provided with a positioning hole, and when the first telescopic pin shaft extends out and is arranged close to one side of the positioning block, the second telescopic pin shaft can be sleeved in the positioning hole after extending out.

Optionally, the first telescopic pin shaft is controlled to be telescopic through an air cylinder, a fixing block is arranged at the tail end of the first telescopic pin shaft, and the fixing block is tightly attached to the side edge of the positioning block.

Optionally, a protruding block is arranged at the bottom end of one side of the positioning block in an extending mode, and the protruding block, the first telescopic pin shaft and the fixing block are arranged in a clinging mode.

Optionally, the second telescopic pin shaft is controlled to be telescopic through an air cylinder, and after the fixed block of the first telescopic pin shaft is tightly attached to the positioning block and limits the movement of the transport trolley, the second telescopic pin shaft is in butt joint with the positioning hole.

Optionally, the positioning hole is a tapered hole.

Optionally, one end of each of the two guide rails extends outwards to form a side guide way, and a bearing is arranged on each side guide way.

Optionally, wear-resistant rubber layers are arranged on two sides of the transport trolley, and the wear-resistant rubber layers and the bearings are arranged in a clinging manner.

Optionally, four lockable wheels are arranged on the bottom side of the transport trolley.

The utility model has the following advantages and beneficial effects:

according to the guiding and positioning device designed by the utility model, the guide rail is fixed on the ground by using the bolt according to the position of a fixed point required by the tool, the first telescopic pin shaft and the second telescopic pin shaft extend out to fix the transport trolley at a specified position, the tool can be fixed on the transport trolley when the tool is replaced, the transport trolley can be gradually brought into a specific position by the rolling guiding action of a plurality of bearings on the guide rail by moving the transport trolley to the inlet of the guide rail, the trolley is blocked by extending out the first telescopic pin shaft to stay at the corresponding position, and then the second telescopic pin shaft is controlled to extend out upwards to be matched with the positioning hole of the positioning block on the transport trolley to achieve the fixing action, so that the problems of inaccurate positioning and difficulty in fixing when the tool is carried by manpower are avoided.

In the prior art, corresponding tools are required to be frequently replaced for clamping different workpieces, the replacement process is complicated, time and labor are spent, positioning is not easy, and repeated debugging is required. The tool is fixed at a fixed point, the workpiece is required to be taken down after the workpiece is machined and then the workpiece is placed, the equipment is in an idle state at the moment, the scheme can realize assembly line production, the moving trolley is moved away after the workpiece is machined, and the next trolley sequentially enters for continuous machining. The waste of equipment when idle is greatly reduced, the labor time of workers is reduced, and the production efficiency can be effectively improved.

Drawings

Fig. 1 is a top view of a guiding and positioning device according to an embodiment of the present invention;

FIG. 2 is a rear view of FIG. 1;

FIG. 3 is a schematic view of a portion of FIG. 2 taken along the line A-A;

icon: 1-guide rail, 11-side guide way, 2-bearing, 3-first fixed base, 31-first telescopic pin shaft, 311-fixed block, 4-second fixed base, 41-second telescopic pin shaft, 5-transport trolley, 51-wheel, 52-wear-resistant rubber layer, 53-positioning block and 531-lug.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

As shown in fig. 1 to 3, a guiding and positioning device comprises a transport trolley 5, two guide rails 1 and a positioning mechanism, wherein the two guide rails 1 are separated by a certain distance and fixed on the ground by bolts, a channel is arranged on the inner side of each guide rail 1, a plurality of bearings 2 are arranged in the channel, and two sides of the transport trolley 5 are closely attached to the bearings 2 on the two guide rails 1. The positioning mechanism is arranged on the ground between the two guide rails 1 and comprises a first fixing base 3 and a second fixing base 4, a first telescopic pin shaft 31 is arranged on the first fixing base 3, and a second telescopic pin shaft 41 is arranged on the second fixing base 4. The bottom of the transportation trolley 5 is provided with a positioning block 53, the bottom of the positioning block 53 is provided with a positioning hole, and when the first telescopic pin shaft 31 extends out and is arranged to be tightly attached to one side of the positioning block 53, the second telescopic pin shaft 41 extends out and can be sleeved in the positioning hole.

The structural design of the present invention is not limited to the above, for example: the bearing 2 on the guide rail 1 can be replaced by a mechanism which is similar to a roller and can be driven, so that the positioning and the guiding of the transport trolley 5 can be realized. Of course, it is also possible to provide only the guidable guide rail 1 and to arrange the bearings 2 or guide wheels on both sides of the transport carriage 5 in such a way that positioning guidance is performed.

According to the guiding and positioning device designed by the utility model, the first telescopic pin shaft 31 and the second telescopic pin shaft 41 extend to fix the transport trolley 5 at a specified position, when the tool is replaced, the tool is only required to be fixed on the transport trolley 5, the transport trolley 5 is moved to the inlet of the guide rail 1, the trolley can be gradually brought into a specific position through the rolling guiding action of the plurality of bearings 2 on the guide rail 1, the transport trolley 5 is blocked by extending the first telescopic pin shaft 31 to stay at the corresponding position, and the second telescopic pin shaft 41 is controlled to extend upwards to be matched with the positioning hole on the positioning block 53 at the bottom of the transport trolley 5 to achieve the fixing action, so that the problems of inaccurate positioning, complex disassembly and difficult fixation caused by using manpower to carry the tool are solved.

In the prior art, different workpieces need to be frequently replaced and corresponding tools are clamped, the replacement process is complicated, time and labor are spent, the positioning is not easy, and the tools need to be debugged repeatedly after the replacement is completed. The tool is fixed at a fixed point, the workpiece is required to be taken down after the workpiece is machined and then the workpiece is placed, the transport trolley 5 is in an idle state at the moment, the scheme can realize assembly line production, the moving trolley is moved away after the workpiece is machined, and the next trolley sequentially enters for continuous machining. By the design, the complex processes that workpieces or tools need to be frequently loaded and unloaded and repeatedly disassembled from one process to the next process can be reduced, waste of equipment when the equipment is idle is greatly reduced, labor time of workers is reduced, and production efficiency can be effectively improved.

The first telescopic pin 31 is controlled to be telescopic by an air cylinder, a fixing block 311 is arranged at the tail end of the first telescopic pin 31, and the fixing block 311 is closely attached to the side edge of the positioning block 53. The second telescopic pin 41 is controlled to be telescopic through the air cylinder, and after the fixing block 311 of the first telescopic pin 31 is tightly attached to the positioning block 53 and limits the movement of the transport trolley 5, the second telescopic pin 41 is in butt joint with the positioning hole.

Furthermore, a bump 531 extends from the bottom end of one side of the positioning block 53, and the bump 531 is closely attached to the bottom ends of the first telescopic pin 31 and the fixing block 311. Due to the design, the limit of the trolley in the vertical direction can be guaranteed, the bump 531 is attached and locked through the fixing block 311, the stable fixation of the transport trolley 5 is further guaranteed, and the vibration displacement in the vertical direction is reduced.

The first telescopic pin shaft 31 and the second telescopic pin shaft 41 are controlled by the air cylinder to fix the transport trolley 5, the reaction is timely, the fixation is firm and reliable, the operation is simple, the implementation is easy, and the automatic fixation can be realized only by arranging corresponding sensors. Of course, the present invention is not limited to the manner of control by the air cylinder, and the first telescopic pin 31 and the second telescopic pin 41 may be telescopic mechanisms such as an oil cylinder and an electric cylinder.

The locating hole sets up to the bell mouth, and the bell mouth opening is bigger, can guarantee that second telescopic pin 41 can be accurate, smooth and easy get into the bell mouth, and quick accurate realization is fixed.

One end of each of the two guide rails 1 extends outwards to form a side guide way 11, a bearing 2 is arranged on each side guide way 11, and the side guide rails 1 can guide the transportation trolley 5 to more conveniently and quickly enter the guide rails 1 to be fixed.

Furthermore, wear-resistant rubber layers 52 are arranged on two sides of the transport trolley 5, and the wear-resistant rubber layers 52 are closely attached to the bearing 2. The wear-resistant rubber layer 52 is directly fixed on two sides of the transport trolley 5, one of the wear-resistant rubber layer 52 and the bearing 2 move mutually, so that the problem of abrasion caused by contact between the transport trolley 5 and the guide rail 1 is avoided, and the wear-resistant rubber layer 52 is convenient to replace subsequently; secondly, after the position of the transport trolley 5 is fixed, the wear-resistant rubber layer 52 has a certain friction force instead, and can be in good contact with the bearing 2, so that the stability of the two layers is further ensured.

Four wheels 51 capable of being locked are arranged on the bottom side of the transport trolley 5, and when the transport trolley 5 is fixed, the wheels 51 can be locked, so that the stability is further enhanced.

The working principle is as follows:

firstly, the tool is fixed on the transport trolley 5, then the workpiece (such as a frame) processed in the first process is fixed on the tool of the transport trolley 5, and the transport trolley 5 is pushed to reach the next process point. After the working point is reached, the transport trolley 5 is pushed in along the guide rail 1, and is fixed in position by the first telescopic pin 31 and the second telescopic pin 41, and then can be processed. After the processing is finished, the transport trolley 5 is pushed out and transported to the next working procedure for further processing; at this time, the transport trolleys 5 waiting behind enter the guide rails 1 in sequence, and the processing is continued after the positions are fixed. According to the process, assembly line processing production can be realized, and the complex processes of frequently loading, unloading, disassembling and assembling workpieces or tools from one process to another process are avoided in the middle.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A guiding and positioning device comprises a transport trolley (5), guide rails (1) and a positioning mechanism, and is characterized in that the number of the guide rails (1) is two, the two guide rails (1) are fixed on the ground at intervals, a channel is arranged on the inner side of each guide rail (1), a plurality of bearings (2) are arranged in the channel, two sides of the transport trolley (5) and the bearings (2) on the two guide rails (1) are arranged in a clinging manner, the positioning mechanism is arranged on the ground between the two guide rails (1), the positioning mechanism comprises a first fixed base (3) and a second fixed base (4), a first telescopic pin shaft (31) is arranged on the first fixed base (3), and a second telescopic pin shaft (41) is arranged on the second fixed base (4); the bottom of the transport trolley (5) is provided with a positioning block (53), the bottom of the positioning block (53) is provided with a positioning hole, and when the first telescopic pin shaft (31) extends out and is arranged close to one side of the positioning block (53), the second telescopic pin shaft (41) can be sleeved in the positioning hole after extending out.

2. The guide positioning apparatus of claim 1, wherein: the first telescopic pin shaft (31) is controlled to be telescopic through an air cylinder, a fixing block (311) is arranged at the tail end of the first telescopic pin shaft (31), and the fixing block (311) is tightly attached to the side edge of the positioning block (53).

3. The guide positioning device of claim 2, wherein: the bottom end of one side of the positioning block (53) extends to form a convex block (531), and the convex block (531), the first telescopic pin shaft (31) and the fixing block (311) are arranged in a clinging mode.

4. The guide positioning device of claim 2, wherein: the second telescopic pin shaft (41) is controlled to be telescopic through an air cylinder, and after the fixing block (311) of the first telescopic pin shaft (31) is tightly attached to the positioning block (53) and limits the movement of the transport trolley (5), the second telescopic pin shaft (41) is in butt joint with the positioning hole in the positioning block (53).

5. The guidance and positioning device of claim 4, wherein: the positioning hole is a tapered hole.

6. The guide positioning apparatus of claim 1, wherein: and one end of each of the two guide rails (1) extends outwards to form a side guide way (11), and a bearing (2) is arranged on each side guide way (11).

7. The guide positioning apparatus of claim 1, wherein: and wear-resistant rubber layers (52) are arranged on two sides of the transport trolley (5), and the wear-resistant rubber layers (52) are tightly attached to the bearing (2).

8. The guide positioning apparatus of claim 1, wherein: the bottom side of the transport trolley (5) is provided with four lockable wheels (51).