CN214689849U

CN214689849U - Material trolley system capable of being accurately positioned

Info

Publication number: CN214689849U
Application number: CN202120269700.6U
Authority: CN
Inventors: 刘治; 柳军
Original assignee: Changsha Huaheng Robot System Co ltd
Current assignee: Changsha Huaheng Robot System Co ltd
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-11-12
Anticipated expiration: 2031-01-29

Abstract

The utility model discloses a material trolley system capable of accurately positioning, which comprises a material trolley and a positioning mechanism, wherein the material trolley comprises a material platform and a walking mechanism, the positioning mechanism comprises a first positioning seat and a second positioning seat which are oppositely arranged, a positioning channel is formed between the first positioning seat and the second positioning seat, guide strips are respectively arranged on the first positioning seat and the second positioning seat, a first positioning block is arranged at the outlet end of the positioning channel of the first positioning seat, a second positioning block is arranged at the outlet end of the positioning channel of the second positioning seat, the walking mechanism comprises a walking frame, the trolley comprises a trundle arranged at the bottom of the walking frame and side guide wheels arranged at two sides of the walking frame and capable of contacting with the two guide strips, wherein the walking frame is provided with a first trolley positioning part and a second trolley positioning part, the first trolley positioning part and the first positioning block can be matched with each other through a V-shaped groove and a V-shaped lug structure, and the second trolley positioning part and the second positioning block can be matched in a contact manner. The utility model has the advantages of stable positioning and high positioning precision.

Description

Material trolley system capable of being accurately positioned

Technical Field

The utility model relates to a material conveying equipment especially relates to a material trolley system that can pinpoint.

Background

With the development of the times, informatization, automation and intellectualization become mainstream of all industries, the demand on intelligent logistics in the production of the heavy welding industry is stronger than that of the prior art at any time, and meanwhile, the requirement on the positioning precision of the AGV for pulling the material trolley is higher. Among the prior art, AGV self location is not high in the positioning accuracy who places the material, hardly reaches placing the demand that targets in place of material dolly, and in addition, AGV self location stability easily receives external people and environmental disturbance, and is not high and unstable to the batching position uniformity of material dolly.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome the not enough of prior art, provide a but material trolley system of accurate location of stable, the positioning accuracy height in location.

In order to solve the technical problem, the utility model discloses a following technical scheme:

a material trolley system capable of being accurately positioned comprises a material trolley and a positioning mechanism, wherein the material trolley comprises a material platform and a travelling mechanism, the positioning mechanism comprises a first positioning seat and a second positioning seat which are oppositely arranged, a positioning channel is formed between the first positioning seat and the second positioning seat, guide strips are arranged on the first positioning seat and the second positioning seat, a first positioning block is arranged at the outlet end of the positioning channel of the first positioning seat, a second positioning block is arranged at the outlet end of the positioning channel of the second positioning seat, the travelling mechanism comprises a travelling frame, trundles arranged at the bottom of the travelling frame and side guide wheels which are arranged at two sides of the travelling frame and can be contacted with the two guide strips, the travelling frame is provided with a first trolley positioning part and a second trolley positioning part, and the first trolley positioning part and the first positioning block can be matched with a V-shaped lug through a V-shaped groove, the second trolley positioning part and the second positioning block can be in contact fit.

As a further improvement of the technical scheme, an automatic bolt is arranged on the first positioning seat, and a bolt hole matched with the automatic bolt is formed in the walking frame.

As a further improvement of the above technical solution, an automatic bolt is provided on the second positioning seat, and a bolt hole capable of being engaged with the automatic bolt is provided on the walking frame.

As a further improvement of the technical scheme, a skip in-place detection switch for detecting a material trolley in-place signal and feeding back the material trolley in-place signal to the automatic bolt is arranged on the first positioning seat; and a skip in-place detection switch for detecting a material trolley in-place signal and feeding back the material trolley in-place signal to the automatic bolt is arranged on the second positioning seat.

As a further improvement of the above technical scheme, the automatic bolt is a pneumatic bolt, the pneumatic bolt includes a cylinder, a mounting seat and a positioning pin, the cylinder is mounted on the lower end face of the mounting seat, a bushing is arranged on the upper end face of the mounting seat, a driving rod of the cylinder is arranged in the bushing from bottom to top in a penetrating manner, and the positioning pin is arranged in the bushing from top to bottom in a penetrating manner and is connected with the driving rod through a screw.

As a further improvement of the technical scheme, the second trolley positioning part is in plane contact fit with the second positioning block.

As a further improvement of the above technical solution, the two guide strips form a bell mouth at the inlet end.

As a further improvement of the above technical solution, the walking frame includes two walking sub-frames arranged in front and back, the walking sub-frames include a bearing beam and support legs arranged at two ends of the bearing beam, each support leg is provided with a caster, the support legs are provided with side guide seats, the side guide wheels are arranged on the side guide seats, and the first trolley positioning portion and the second trolley positioning portion are respectively arranged on the two guide seats of the walking sub-frame at the front end.

As a further improvement of the technical scheme, the material table comprises a main body frame and a bottom plate arranged on the main body frame, two baffle plates which are oppositely arranged at intervals are arranged on the bottom plate, the baffle plates can move along the width direction of the bottom plate, and the main body frame is arranged on the bearing cross beam.

As a further improvement of the above technical solution, each end of the walking frame is further provided with two end guide seats, and end guide wheels are arranged on the end guide seats.

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

(1) the utility model discloses a but material trolley system of accurate location, the gib block cooperation that passes through side guide wheel and location passageway of material trolley uses so as to reach the function of proofreading and correct the direction, the V-arrangement groove of location passageway rear end and the V-arrangement lug cooperation on the material trolley play the effect that the secondary location was proofreaded, can prevent effectively that artificial and environmental factor from to the change of material trolley position, positional stability is high, positioning accuracy is high, repeated positioning accuracy can be controlled within 0.5mm, this required precision can satisfy the requirement of welding supplied materials positioning accuracy among most heavy industry.

(2) The utility model discloses a but material dolly system of accurate location combines automatic bolt and skip detection switch that targets in place, after the accurate location of material dolly, opens bolt locking material dolly automatically, prevents artificially and the change of environmental factor to the material dolly position, and positional stability is high.

Drawings

Fig. 1 is a schematic perspective view of the material trolley system capable of being accurately positioned according to the present invention.

Fig. 2 is a top view of the material trolley system capable of being accurately positioned according to the present invention.

Fig. 3 is a left side view of fig. 2.

Fig. 4 is a schematic structural diagram of the middle positioning mechanism of the present invention.

Fig. 5 is a schematic structural view of the first positioning seat of the present invention.

Fig. 6 is a schematic structural diagram of the second positioning seat of the present invention.

Fig. 7 is a schematic structural view of the traveling frame of the middle front end of the present invention.

Fig. 8 is a schematic top view of the traveling frame of the middle front end of the present invention.

Fig. 9 is a schematic structural view of the walking frame at the middle rear end of the present invention.

Fig. 10 is a schematic top view of the traveling frame at the rear end of the present invention.

Fig. 11 is a schematic perspective view of the pneumatic bolt of the present invention.

FIG. 12 is a schematic cross-sectional view of the middle pneumatic bolt of the present invention

Fig. 13 is a schematic structural diagram of the material table of the present invention.

The reference numerals in the figures denote:

1. a material table; 11. a main body frame; 12. a base plate; 13. a baffle plate; 2. a traveling mechanism; 201. a first trolley positioning part; 202. a second trolley positioning part; 203. a pin hole; 21. a walking frame; 211. a load-bearing beam; 212. a support leg; 213. a side guide seat; 214. an end guide seat; 215. a third trolley positioning part; 216. an end guide wheel; 217. a fourth trolley positioning part; 22. a caster wheel; 23. a side guide wheel; 3. a first positioning seat; 31. a first positioning block; 4. a second positioning seat; 41. a second positioning block; 5. a guide strip; 61. a V-shaped groove; 62. a V-shaped bump; 7. automatic bolt insertion; 71. a cylinder; 711. a drive rod; 72. a mounting seat; 73. positioning pins; 74. a bushing; 75. a screw; 8. skip detection switch that targets in place.

Detailed Description

The invention is described in further detail below with reference to the drawings and specific examples.

As shown in fig. 1 to 13, the material trolley system capable of being accurately positioned according to the embodiment includes a material trolley and a positioning mechanism, the material trolley includes a material table 1 and a traveling mechanism 2, the positioning mechanism includes a first positioning seat 3 and a second positioning seat 4 which are oppositely arranged, a positioning channel is formed between the first positioning seat 3 and the second positioning seat 4, and the material trolley can enter the positioning channel. The first positioning seat 3 and the second positioning seat 4 are both provided with guide strips 5, the first positioning seat 3 is provided with a first positioning block 31 at the outlet end of the positioning channel, the second positioning seat 4 is provided with a second positioning block 41 at the outlet end of the positioning channel, the walking mechanism 2 comprises a walking frame 21 and casters 22 arranged at the bottom of the walking frame 21, two sides of the walking frame 21 are provided with side guide wheels 23 capable of contacting with the two guide strips 5, the walking frame 21 is provided with a first trolley positioning part 201 and a second trolley positioning part 202, the first trolley positioning part 201 and the first positioning block 31 can be matched with each other through a V-shaped groove 61 and a V-shaped lug 62, and the second trolley positioning part 202 and the second positioning block 41 can be contacted and matched with each other.

In the present embodiment, the V-shaped groove 61 is provided on the first carriage positioning portion 201, and the V-shaped protrusion 62 is provided on the first positioning block 31. In addition to the present embodiment, the V-shaped protrusion 62 may be provided on the first carriage positioning portion 201, and the V-shaped groove 61 may be provided on the first positioning block 31.

During operation, the logistics system places corresponding material parts on the material platform 1 of the material trolley, the system dispatches the AGV trolley to pull the material trolley, and the AGV trolley drives the material trolley to pull to the discharging point. The material discharging point is configured with a length direction or width direction positioning mechanism according to the requirement, the embodiment is a width direction positioning mechanism as an example, that is, the width of the positioning channel corresponds to the width direction of the material trolley, that is, the material trolley moves along the y direction in fig. 8. The AGV drives the material trolley to enter from the entrance of the positioning channel, for example, the AGV enters from the right side of the figure 2, and the side guide wheels 23 on the two sides of the material trolley are in contact fit with the guide strips 5 on the two sides for guiding, so that the function of correcting the guide is achieved. When the first cart positioning part 201 on the material cart is close to the first positioning seat 3 and the first positioning block 31, the V-shaped protrusion 62 is inserted into the V-shaped groove 61 to stop and position the material cart, and the second cart positioning part 202 on the other side is in contact fit with the second positioning block 41 to prevent the material cart from deviating. The V-shaped lug 62 and the V-shaped groove 61 are matched to play a role in secondary positioning correction, so that accurate positioning of the material trolley in a positioning channel is realized. After the material trolley is locked, the AVG trolley can leave the material trolley. And the material trolley is used for feeding, and after the feeding is finished, the AVG trolley returns again to pull the material trolley out of the positioning channel.

This material trolley system, the function of direction is rectified in order to reach in the cooperation use of the 5 cooperation of gib block through side leading wheel 23 and location passageway of material trolley, the V-arrangement groove 61 of location passageway rear end and the V-arrangement lug 62 cooperation on the material trolley play the effect of secondary location correction, can prevent effectively that artificial and environmental factor from to the change of material trolley position, positional stability is high, positioning accuracy is high, repeated positioning accuracy can be controlled within 0.5mm, this required precision can satisfy the requirement of welding supplied materials positioning accuracy among most heavy industry.

In this embodiment, the two guide strips 5 form a bell mouth at the inlet end, which is convenient for guiding the material trolley into the positioning channel.

In this embodiment, the first positioning seat 3 is provided with an automatic bolt 7, and the walking frame 21 is provided with a bolt hole 203 capable of being matched with the automatic bolt 7. The second positioning seat 4 is provided with an automatic bolt 7, and the walking frame 21 is provided with a bolt hole 203 which can be matched with the automatic bolt 7. Preferably, the automatic plug 7 on the first positioning seat 3 is arranged at the inlet end (front end), and the automatic plug 7 on the second positioning seat 4 is arranged at the outlet end (rear end). Preferably, a skip in-place detection switch 8 for detecting a material skip in-place signal and feeding back the material skip in-place signal to the automatic bolt 7 is arranged on the first positioning seat 3. The second positioning seat 4 is provided with a skip in-place detection switch 8 for detecting a material skip in-place signal and feeding back the material skip in-place signal to the automatic bolt 7. When the material trolley reaches a set position in the positioning channel and is positioned, the two position detection switches detect the material trolley and feed back signals to the automatic bolts 7, the automatic bolts 7 are started to be inserted into the corresponding bolt holes 203 to lock the material trolley, and at the moment, the material trolley cannot move in any direction.

In this embodiment, the automatic bolt 7 is a pneumatic bolt, the pneumatic bolt includes a cylinder 71, a mounting seat 72 and a positioning pin 73, the cylinder 71 is installed on the lower end surface of the mounting seat 72, a bushing 74 is arranged on the upper end surface of the mounting seat 72, a driving rod 711 of the cylinder 71 penetrates through the bushing 74 from bottom to top, and the positioning pin 73 penetrates through the bushing 74 from top to bottom and is connected with the driving rod 711 through a screw 75. The cylinder 71 is fixed on the first positioning seat 3 or the second positioning seat 4, and the driving rod 711 can drive the positioning pin 73 to ascend or descend along the bushing 74, so that the positioning pin 73 is inserted into and separated from the bolt hole 203.

In this embodiment, the second cart positioning portion 202 and the second positioning block 41 are in contact fit with each other through a plane. It should be noted that, in addition to the present embodiment, the V-shaped protrusion 62 and the V-shaped groove 61 may be matched.

In this embodiment, the walking frame 21 includes two walking sub-frames arranged in front and back, the walking sub-frames include a bearing beam 211 and support legs 212 arranged at two ends of the bearing beam 211, each support leg 212 is provided with a caster 22, and the caster 22 is a universal caster. The side guide base 213 is provided on the leg 212, the side guide wheel 23 is provided on the side guide base 213, and the first carriage positioning portion 201 and the second carriage positioning portion 202 are provided on the two side guide bases 213 of the traveling sub-frame at the front end, respectively. The two latch holes 203 are formed in a corresponding side guide seat 213.

In this embodiment, the material table 1 includes a main body frame 11 and a bottom plate 12 disposed on the main body frame 11, two baffles 13 disposed at opposite intervals are disposed on the bottom plate 12, and a material placing area is formed between the two baffles 13. The baffle 13 can move along the width direction of the bottom plate 12, and the baffle 13 is fastened on the bottom plate 12 through kidney-shaped holes and bolts. The material table 1 is mounted on a bearing cross beam 211 of the walking frame 21.

In this embodiment, two end guide bases 214 are further disposed at each end of the walking frame 21, and end guide wheels 216 are disposed on the end guide bases 214. I.e., an upper guide shoe 214 for each leg 212, each end guide shoe 214 is provided with an end guide wheel 216. The arrangement of the structure is mainly used for a positioning mechanism in the length direction, namely the width of a positioning channel is the same as the length of the material trolley, namely the material trolley moves along the x direction in fig. 8. Similarly, a third carriage positioning portion 215 is disposed on one end guide base 214, and a fourth carriage positioning portion 217 is disposed on the opposite end guide base 214. A third positioning block and a fourth positioning block are arranged on the correspondingly positioned positioning mechanism, and the third positioning block and the third trolley positioning part 215 are matched in a mode of a V-shaped lug 62 and a V-shaped groove 61. The fourth cart positioning portion 217 is fitted with the fourth positioning block in a form of planar contact.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The technical solution of the present invention can be used by anyone skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, without departing from the scope of the technical solution of the present invention, using the technical content disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention should fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a but material trolley system of accurate positioning which characterized in that: the material trolley comprises a material trolley and a positioning mechanism, wherein the material trolley comprises a material platform (1) and a travelling mechanism (2), the positioning mechanism comprises a first positioning seat (3) and a second positioning seat (4) which are oppositely arranged, a positioning channel is formed between the first positioning seat (3) and the second positioning seat (4), guide strips (5) are arranged on the first positioning seat (3) and the second positioning seat (4), a first positioning block (31) is arranged at the outlet end of the positioning channel of the first positioning seat (3), a second positioning block (41) is arranged at the outlet end of the positioning channel of the second positioning seat (4), the travelling mechanism (2) comprises a travelling frame (21), trundles (22) arranged at the bottom of the travelling frame (21) and side guide wheels (23) which are arranged on two sides of the travelling frame (21) and can be in contact with the two guide strips (5), the travelling frame (21) is provided with a first positioning part (201) and a second positioning part (202), the first trolley positioning part (201) can be matched with the first positioning block (31) through the structure of the V-shaped groove (61) and the V-shaped lug (62), and the second trolley positioning part (202) can be in contact fit with the second positioning block (41).

2. The precisely positionable material cart system of claim 1, wherein: an automatic bolt (7) is arranged on the first positioning seat (3), and a bolt hole (203) matched with the automatic bolt (7) is formed in the walking frame (21).

3. The precisely positionable material cart system of claim 2, wherein: an automatic bolt (7) is arranged on the second positioning seat (4), and a bolt hole (203) matched with the automatic bolt (7) is formed in the walking frame (21).

4. The precisely positionable material cart system of claim 3, wherein: a skip in-place detection switch (8) for detecting a material skip in-place signal and feeding back the material skip in-place signal to the automatic bolt (7) is arranged on the first positioning seat (3); and a skip in-place detection switch (8) for detecting a material skip in-place signal and feeding back the material skip in-place signal to the automatic bolt (7) is arranged on the second positioning seat (4).

5. The precisely positionable material cart system of any of claims 2 to 4, wherein: automatic bolt (7) are pneumatic bolt, pneumatic bolt includes cylinder (71), mount pad (72) and locating pin (73), the lower terminal surface at mount pad (72) is installed in cylinder (71), the up end of mount pad (72) is equipped with bush (74), supreme wearing to establish in bush (74) is followed in actuating lever (711) of cylinder (71), locating pin (73) are worn to establish in bush (74) and are connected with actuating lever (711) through screw (75) from last under to.

6. The precisely positionable material cart system of any of claims 1-4, wherein: the second trolley positioning part (202) is matched with the second positioning block (41) through plane contact.

7. The precisely positionable material cart system of any of claims 1-4, wherein: the two guide strips (5) form a bell mouth at the inlet end.

8. The precisely positionable material cart system of any of claims 1-4, wherein: walking frame (21) divide the frame including the walking that sets up around two, the walking divides the frame to include bearing beam (211) and locate landing leg (212) at bearing beam (211) both ends, is equipped with truckle (22) on every landing leg (212), be equipped with side guide (213) on landing leg (212), side guide wheel (23) are located on side guide (213), first dolly location portion (201) and second dolly location portion (202) are located respectively on two guide (213) of walking branch frame of front end.

9. The precisely positionable material cart system of claim 8, wherein: the material platform (1) comprises a main body frame (11) and a bottom plate (12) arranged on the main body frame (11), two baffle plates (13) arranged at intervals are arranged on the bottom plate (12), the baffle plates (13) can move in the width direction of the bottom plate (12), and the main body frame (11) is installed on a bearing cross beam (211).

10. The precisely positionable material cart system of any of claims 1-4, wherein: each end of the walking frame (21) is also provided with two end guide seats (214), and end guide wheels (216) are arranged on the end guide seats (214).