Skip positioning mechanism

Abstract

The utility model relates to a skip car locating mechanism which comprises two locating assemblies arranged in a spaced mode and a connecting beam connecting the two locating assemblies, each locating assembly comprises a ground supporting base, a side face guiding locating piece, a bottom guiding piece and a locating plug pin piece, and the locating plug pin pieces are arranged on the ground supporting bases. The trolley positioning part is arranged on the ground supporting base and used for being matched with a skip car in an inserted mode to position the skip car, the side face guiding part positioning part is arranged on the ground supporting base and used for guiding and positioning the side edge of the trolley, and the bottom guiding part is arranged on the ground supporting base and used for guiding the skip car and supporting the skip car to be separated from the ground. Through cooperation of the side face guiding and positioning piece, the bottom guiding piece and the positioning plug pin piece, accurate positioning and stable supporting of the skip car can be achieved, the skip car is prevented from deviating or shaking in the feeding and discharging process, and the feeding and discharging efficiency and precision of the robot are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to positioning mechanism technical field, concretely relates to a dolly positioning mechanism. BACKGROUND

[0002] In workshop production, the main role of the dolly is to transfer workpieces, such as welding automation production line, automatic logistics warehousing, etc., and the feeding and discharging of the production line need to consume a lot of manpower and material resources. The feeding of the machined workpiece usually adopts manual feeding, that is, the parts raw materials or semi-finished products are manually taken. Later, some automatic feeding methods appeared, that is, the dolly is used to transport materials to the specified position, and then the robot automatically takes the materials from the feeding dolly to the next processing procedure. In actual use, it is not easy to position and clamp the processing during feeding and discharging. The feeding dolly cannot be accurately and stably parked at the specified position and locked, which brings great difficulty to the feeding and discharging operation of the robot. SUMMARY

[0003] The utility model aims at providing a dolly positioning mechanism to solve the above problems existing in the current feeding and discharging process of the dolly.

[0004] To achieve the above purpose, the utility model adopts the following technical scheme:

[0005] A dolly positioning mechanism, comprising two positioning components arranged at intervals and a connecting beam connecting the two positioning components, the positioning component comprising a ground support base, a side surface guiding and positioning piece, a bottom guiding piece and a positioning pin piece, the positioning pin piece being arranged on the ground support base and used for inserting and cooperating with the dolly to position the dolly, the side surface guiding and positioning piece being arranged on the ground support base and used for guiding and positioning the side edge of the dolly, and the bottom guiding piece being arranged on the ground support base and used for guiding the dolly and supporting the dolly to separate from the ground.

[0006] Further, the side surface guiding and positioning piece comprises a first U-shaped mounting plate and a side surface guiding and positioning wheel, the first U-shaped mounting plate being arranged on the side wall of the ground support base, and the side surface guiding and positioning wheel being provided with a plurality of side surface guiding and positioning wheels arranged on the first U-shaped mounting plate in rotation at intervals, and each side surface guiding and positioning wheel protruding from the edge of the first U-shaped mounting plate, and the dolly being provided with a positioning plate, and the side surface guiding and positioning wheel being used for abutting against the positioning plate to guide and position the dolly.

[0007] Further, the bottom guide comprises a support frame, a second U-shaped mounting plate and bottom guide wheels, the support frame is arranged on the ground support base, the second U-shaped mounting plate is arranged on the support frame, and the bottom guide wheels are arranged in a plurality of and are arranged on the second U-shaped mounting plate in a spaced rotating mode, and each bottom guide wheel protrudes from the edge of the second U-shaped mounting plate, the support plate is arranged at the bottom of the skip car, and the bottom guide wheels are used for supporting the skip car through the support plate.

[0008] Further, the positioning pin comprises a cylinder, a cylinder mounting seat and a positioning pin, the cylinder mounting seat is arranged on the ground support base and located at the outer side of the skip car, the cylinder is arranged on the cylinder mounting seat in the up-down direction, the positioning pin is connected with the cylinder, and a positioning hole is correspondingly arranged on the skip car, and the cylinder is used for driving the positioning pin to be inserted into the positioning hole to position the skip car.

[0009] Further, the ground support base is provided with a limiting buffer block at the rear end of the ground support base for limiting the limit position of the skip car.

[0010] Further, the ground support base is provided with a proximity sensor at the rear end of the ground support base on one side of the limiting buffer block for detecting the position of the skip car.

[0011] The skip car positioning mechanism has the advantages that:

[0012] The skip car positioning mechanism has the advantages that:

[0013] Further, the bottom guide not only plays a guiding role, but also stably supports the skip car through the support frame and the bottom guide wheels, so that the skip car is separated from the ground, direct friction with the ground is avoided, the integrity of the skip car and the ground is protected, and the stability of the skip car movement is improved.

[0014] Further, through the arrangement of the proximity sensor, the position of the skip car can be detected in real time, when the skip car moves to the set position, the positioning pin is automatically triggered for plug-in positioning, automatic control is realized, and the production efficiency is improved. Further, the limiting buffer block effectively limits the limit position of the skip car, prevents collision or damage of the skip car due to excessive movement, and at the same time, the use of the proximity sensor also increases the safety and reliability of the positioning process. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a structure schematic view of the skip car positioning mechanism in use state of the utility model;

[0016] Figure 2 is Figure 1 is a structural schematic view from another angle.

[0017] Figure 3 is a structural schematic view of the material car positioning mechanism.

[0018] Figure 4 is a structural schematic view of the material car.

[0019] Figure 5 is Figure 4 is a structural schematic view from another angle.

[0020] Corresponding names of various marks in the figure are as follows:

[0021] 1, connecting beam,

[0022] 2, ground support base,

[0023] 3, side face guiding positioning member,

[0024] 31, first U-shaped mounting plate,

[0025] 32, side face guiding positioning wheel,

[0026] 4, material car,

[0027] 41, positioning plate,

[0028] 42, support plate,

[0029] 43, positioning hole,

[0030] 5, bottom guiding member,

[0031] 51, support frame,

[0032] 52, second U-shaped mounting plate,

[0033] 53, bottom face guiding wheel,

[0034] 6, positioning bolt member,

[0035] 61, air cylinder,

[0036] 62, air cylinder mounting seat,

[0037] 63, positioning pin,

[0038] 7, limiting buffer block,

[0039] 8, proximity sensor. DETAILED DESCRIPTION

[0040] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the utility model.

[0041] As Figures 1 to 5 shown, the skip positioning mechanism, including two positioning components and connecting two positioning components are arranged at intervals and connecting beam 1, positioning components include ground support base 2, side guide positioning member 3, bottom guide 5 and positioning pin member 6, positioning pin member 6 is arranged on the ground support base 2, for with skip 4 plug-in cooperation to position the skip 4, side guide positioning member 3 is arranged on the ground support base 2, for guiding and positioning the side of skip 4, bottom guide 5 is arranged on the ground support base 2, for guiding skip 4 and supporting skip 4 off the ground.

[0042] Specifically, Figure 2 As Figure 5 shown, the side guide positioning member 3 includes a first U-shaped mounting plate 31 and side guide positioning wheel 32, the first U-shaped mounting plate 31 is connected by bolt on the side wall of the ground support base 2, the side guide positioning wheel 32 is provided with a plurality of, each side guide positioning wheel 32 is arranged on the first U-shaped mounting plate 31, and each side guide positioning wheel 32 is arranged outside the first U-shaped mounting plate 31 edge, the skip 4 is provided with a positioning plate 41, the side guide positioning wheel 32 is used for abutting with the positioning plate 41 to guide and position the skip 4. Through the setting of side guide positioning wheel 32, the skip 4 can be guided and positioned by the contact between the positioning plate 41 and the side guide positioning wheel 32 when moving, and the side of the skip 4 is guided and positioned, ensuring that the skip 4 can move along the set path.

[0043] Specifically, Figure 2 As Figure 5 shown, the bottom guide 5 includes a support frame 51, a second U-shaped mounting plate 52 and a bottom guide wheel 53, the support frame 51 is connected by bolt on the ground support base 2, the second U-shaped mounting plate 52 is welded on the support frame 51, the bottom guide wheel 53 is provided with a plurality of, each bottom guide wheel 53 is arranged on the second U-shaped mounting plate 52, and each bottom guide wheel 53 is arranged outside the second U-shaped mounting plate 52 edge, the bottom of the skip 4 is provided with a support plate 42, the bottom guide wheel 53 is used for supporting the skip 4 through the support plate 42. Through the setting of bottom guide, the skip 4 can be guided and supported by the contact between the support plate 42 and the bottom guide wheel 53 when moving, and the bottom of the skip 4 is guided and supported, ensuring that the skip 4 can move stably and off the ground, avoiding friction with the ground.

[0044] Specifically, Figure 3As shown, the positioning pin member 6 comprises a pneumatic cylinder 61, a pneumatic cylinder mounting seat 62 and a positioning pin 63, the pneumatic cylinder mounting seat 62 is bolted on the ground support base 2 and located outside the dolly 4, the pneumatic cylinder 61 is bolted on the pneumatic cylinder mounting seat 62 in the up-down direction, the positioning pin 63 is connected with the output end of the pneumatic cylinder 61, and the dolly 4 is correspondingly provided with a positioning hole 43, and the pneumatic cylinder 61 is used for driving the positioning pin 63 to insert into the positioning hole 43 to position the dolly 4. Through the arrangement of the positioning pin member 6, when the dolly 4 moves to a set position, the pneumatic cylinder 61 drives the positioning pin 63 to insert into the positioning hole 43, and then the dolly 4 is positioned, so that the dolly 4 can be stably parked at the specified position.

[0045] Specifically, the ground support base 2 is bolted at the rear end with a limiting buffer block 7 for limiting the limit position of the dolly 4. Through the arrangement of the limiting buffer block 7, the limit position of the dolly 4 can be limited, so as to avoid the dolly 4 from exceeding the set range during movement, and at the same time, the limiting buffer block 7 can play a buffering role to protect the dolly 4 and the positioning mechanism.

[0046] More specifically, the ground support base 2 is mounted with a proximity sensor 8 for detecting the position of the dolly 4 on the side of the limiting buffer block 7 through a support. Through the arrangement of the proximity sensor 8, the position of the dolly 4 can be detected in real time, and when the dolly 4 moves to a set position, the proximity sensor 8 sends a signal to control the pneumatic cylinder 61 to drive the positioning pin 63 to insert into the positioning hole 43, so as to realize automatic positioning of the dolly 4 and improve positioning accuracy and efficiency.

[0047] The dolly positioning mechanism of the utility model, through the cooperation of the side surface guide positioning member, the bottom guide member and the positioning pin member, can realize accurate positioning and stable support of the dolly 4, avoid deviation or shaking of the dolly 4 during charging and discharging, and improve the charging and discharging efficiency and accuracy of the robot; at the same time, through the arrangement of the limiting buffer block 7 and the proximity sensor 8, the safety and reliability of the positioning mechanism can be further improved.

[0048] Obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art belong to the scope protected by the utility model.

Claims

1. A car positioning mechanism, characterized by: The positioning assembly comprises a ground support base, a side guiding positioning member, a bottom guiding member and a positioning pin member, the positioning pin member is arranged on the ground support base and used for plug-in cooperation with a dolly to position the dolly, the side guiding positioning member is arranged on the ground support base and used for guiding and positioning the side of the dolly, and the bottom guiding member is arranged on the ground support base and used for guiding the dolly and supporting the dolly to separate from the ground.

2. The car positioning mechanism according to claim 1, characterized in that: The side guiding positioning member comprises a first U-shaped mounting plate and side guiding positioning wheels, the first U-shaped mounting plate is arranged on the side wall of the ground support base, and the side guiding positioning wheels are arranged in plurality, each of the side guiding positioning wheels is arranged on the first U-shaped mounting plate in interval and rotation, and each of the side guiding positioning wheels protrudes from the edge of the first U-shaped mounting plate, a positioning plate is arranged on the dolly, and the side guiding positioning wheels are used for abutting against the positioning plate to guide and position the dolly.

3. The car positioning mechanism according to claim 1, wherein: The bottom guiding member comprises a support frame, a second U-shaped mounting plate and bottom guiding wheels, the support frame is arranged on the ground support base, the second U-shaped mounting plate is arranged on the support frame, and the bottom guiding wheels are arranged in plurality, each of the bottom guiding wheels is arranged on the second U-shaped mounting plate in interval and rotation, and each of the bottom guiding wheels protrudes from the edge of the second U-shaped mounting plate, a support plate is arranged on the bottom of the dolly, and the bottom guiding wheels are used for supporting the dolly through the support plate.

4. The car positioning mechanism according to claim 1, characterized in that: The positioning pin member comprises a cylinder, a cylinder mounting seat and a positioning pin, the cylinder mounting seat is arranged on the ground support base and located outside the dolly, the cylinder is arranged on the cylinder mounting seat in up-down direction, the positioning pin is connected with the cylinder, a positioning hole is arranged on the dolly in correspondence, and the cylinder is used for driving the positioning pin to insert into the positioning hole to position the dolly.

5. The car positioning mechanism according to claim 1, wherein: A limiting buffer block for limiting the limit position of the dolly is arranged at the rear end of the ground support base.

6. The car positioning mechanism according to claim 5, wherein: A proximity sensor for detecting the position of the dolly is arranged at the rear end of the ground support base on the side of the limiting buffer block.

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