Friction wheel clamping type plate support push-pull storing and taking device

Abstract

The utility model discloses a friction wheel clamping type plate support push-pull storing and taking device, which relates to the technical field of storage vertical warehouses and comprises a movable frame, a fixed frame is arranged on one side of the movable frame, a displacement driving unit is arranged between the movable frame and the fixed frame, and the displacement driving unit comprises a horizontal displacement driver fixed on the fixed frame. According to the friction wheel clamping type plate support push-and-pull storing and taking device, the effective height of a cargo layer can be compressed to the extreme limit value through the friction wheel clamping type plate support push-and-pull storing and taking device, the double polyurethane wheel sets are matched with a 1000N adjustable positive pressure system, 50 kg-250 kg-level plate supports can be stably borne, and the friction wheel clamping type plate support push-and-pull storing and taking device is high in practicability. The manual pressure compensation mechanism ensures that the friction coefficient mu is stably maintained to be larger than or equal to 0.5 under different loads, the problem of heavy load slipping is thoroughly solved, the pressure sensor can collect driving data in real time, support is provided for predictive maintenance, and the driving mechanism is small in size, simple in structure, low in cost and easy to maintain.

Description

TECHNICAL FIELD

[0001] The utility model relates to warehousing vertical library technical field, concretely is friction wheel clamping type board support push-pull access device. BACKGROUND

[0002] Friction wheel clamping type board support push-pull access device is a kind of access device using friction wheel clamping and driving board support movement, widely used in automated warehousing, stereo garage and other fields, device generally clamps the friction plate of the bottom of board support (such as car carrier plate or shelf pallet) by two oppositely arranged friction wheels.Friction wheel rotates under the drive of motor, moves the friction plate and board support by friction force, to realize access operation.

[0003] Vertical lifting type warehousing vertical library, at present, mainstream scheme adopts bottom support type synchronous belt or bottom shuttle hook-pull mechanical arm to drive board support (load pallet) movement, realizes access by the cooperation of synchronous belt and fixed joint point or friction transmission.However, the prior art has obvious defects:

[0004] (1) synchronous belt or hook-pull mechanism needs to occupy the height interval (usually >=50mm) between goods, resulting in the decrease of total storage capacity of vertical library.

[0005] (2) only applicable to light board support (usually <=50kg), heavy load is prone to belt slip, joint point deformation, action jam, skew and other problem hazards, difficult to meet the storage demand of heavy material.

[0006] (3) mechanical joint point is easy to wear, synchronous belt needs to be regularly tensioned and maintained, and frequent adjustment is needed for long-term use. INVENTION CONTENTS

[0007] The utility model aims at providing friction wheel clamping type board support push-pull access device to solve the problem that current friction wheel clamping type board support push-pull access device slips due to heavy load in prior art.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: friction wheel clamping type board support push-pull access device, including mobile frame, the mobile frame one side is provided with fixed frame, and mobile frame and fixed frame are provided with displacement drive unit between, displacement drive unit includes horizontal displacement drive fixed on fixed frame, and rack and linear guide rail set on mobile frame, four corners of mobile frame are provided with double friction wheel drive positive pressure clamping wheel group, double friction wheel drive positive pressure clamping wheel group cooperates with displacement drive unit.

[0009] Preferably, the double friction wheel drive positive pressure clamping wheel group includes a connecting arm provided on the mobile frame, the connecting arm end face is provided with a friction wheel drive seat, a bearing one is provided below the friction wheel drive seat, and a swing disc is provided at the bottom end of the bearing one.

[0010] Preferably, a servo drive is installed on the friction wheel driving seat, a driving gear is arranged below the output part of the servo drive, a gear polyurethane rubber coated wheel is arranged on one side of the driving gear, bearing two is arranged inside the gear polyurethane rubber coated wheel, a roller shaft is arranged through the gear polyurethane rubber coated wheel and bearing two, and a fixed bottom plate is arranged at the bottom of the roller shaft.

[0011] Preferably, a hinge hole screw and an ear ring one are arranged on the connecting arm and are hingedly connected with each other, a left-handed adjusting nut and a pull rod are arranged on the end face of the ear ring one, a spring and a manual adjusting nut are sleeved on the middle section of the pull rod, a pressure sensor is arranged inside the manual adjusting nut, and an ear ring two is arranged at the other end of the pull rod.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] The friction wheel clamping type plate support push-pull storage device can compress the effective height of goods layer to the limit value, the double polyurethane wheel set cooperates with the 1000N adjustable normal pressure system, can stably bear the 50kg-250kg grade plate support, the manual pressure compensation mechanism ensures that the friction coefficient is stably maintained μ≥0.5 under different loads, completely solves the heavy load slip problem, the pressure sensor can collect driving data in real time, provides support for predictive maintenance, and the driving mechanism is small in size, simple in structure, low in cost and easy to maintain. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a front view structural schematic drawing of the whole friction wheel clamping type plate support push-pull storage device of the utility model;

[0015] Figure 2 It is a top view structural schematic drawing of the whole friction wheel clamping type plate support push-pull storage device of the utility model;

[0016] Figure 3 It is a cooperation structure schematic drawing of the horizontal displacement driving, the rack and the linear guide rail structure of the friction wheel clamping type plate support push-pull storage device of the utility model;

[0017] Figure 4 It is a cooperation structure schematic drawing of the roller shaft, the fixed bottom plate, the connecting arm and the moving frame of the friction wheel clamping type plate support push-pull storage device of the utility model;

[0018] Figure 5 It is a cooperation structure schematic drawing of the driving gear and the polyurethane rubber coated wheel of the friction wheel clamping type plate support push-pull storage device of the utility model.

[0019] The diagram shows the following components: 1. Moving frame; 2. Dual friction wheel driven positive pressure clamping wheel assembly; 3. Fixed frame; 4. Horizontal displacement drive; 5. Rack; 6. Linear guide rail; 7. Connecting arm; 8. Friction wheel drive seat; 9. Swing disk; 10. Bearing 1; 11. Servo drive; 12. Drive gear; 13. Polyurethane coated wheel; 14. Bearing 2; 15. Roller shaft; 16. Fixed base plate; 17. Reamed hole screw; 18. Earring 1; 19. Left-hand adjusting nut; 20. Pull rod; 21. Spring; 22. Manual adjusting nut; 23. Pressure sensor; 24. Earring 2. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Example: Figure 1 - Figure 5 As shown, this utility model provides a technical solution for a friction wheel clamping type push-pull storage and retrieval device for a plate holder, including a movable frame 1, a fixed frame 3 on one side of the movable frame 1, and a displacement driving unit between the movable frame 1 and the fixed frame 3. The displacement driving unit includes a horizontal displacement drive 4 fixed on the fixed frame 3, and a rack 5 and a linear guide rail 6 on the movable frame 1. A double friction wheel driven positive pressure clamping wheel set 2 is provided at each of the four corners of the movable frame 1. The double friction wheel driven positive pressure clamping wheel set 2 cooperates with the displacement driving unit.

[0022] By directly acting on the side edge of the pallet through friction transmission, the space occupied by the cargo layer is completely avoided, significantly improving storage density. At the same time, it is suitable for medium and heavy loads ≤250kg. The positive pressure of 0~1000N can be manually adjusted in real time as needed to ensure effective transmission under load. The friction coefficient of the contact surface is stably maintained at μ≥0.5. Polyurethane-metal has significant engineering application value.

[0023] The horizontal displacement drive 4, together with the rack 5 and linear guide 6 connected to the moving frame 1, forms a displacement drive unit, which enables the moving frame 1 to drive the double friction wheel to drive the positive pressure clamping wheel group 2 to complete the left or right movement.

[0024] like Figure 4 As shown, the dual friction wheel driven positive pressure clamping wheel group 2 includes a connecting arm 7 set on the movable frame 1, a friction wheel drive seat 8 set on the end face of the connecting arm 7, a bearing 10 set below the friction wheel drive seat 8, and a swing disk 9 set at the bottom end of the bearing 10.

[0025] The bearing one 10 arranged between the friction wheel driving base 8 and the swing plate 9 can facilitate the swing plate 9 to swing freely.

[0026] As shown in the drawings, Figure 4 The servo drive 11 is arranged on the friction wheel driving base 8, the driving gear 12 is arranged at the output portion of the servo drive 11, the gear polyurethane rubber coated wheel 13 is arranged at one side of the driving gear 12, the bearing two 14 is arranged in the gear polyurethane rubber coated wheel 13, the roller shaft 15 is arranged through the gear polyurethane rubber coated wheel 13 and the bearing two 14, and the fixed bottom plate 16 is arranged at the bottom of the roller shaft 15.

[0027] The roller shaft 15 is arranged through the gear polyurethane rubber coated wheel 13 and the bearing two 14 and between the swing plate 9 and the fixed bottom plate 16, and a double polyurethane friction wheel group power unit is formed.

[0028] As shown in the drawings, Figure 4 The hinge hole screw 17 and the ear ring one 18 are arranged on the connecting arm 7 and are hingedly connected to each other, the left-handed adjusting nut 19 and the pull rod 20 are arranged at the end face of the ear ring one 18, the spring 21 and the manual adjusting nut 22 are arranged in the middle segment of the pull rod 20, the pressure sensor 23 is arranged in the manual adjusting nut 22, and the ear ring two 24 is arranged at the other end of the pull rod 20.

[0029] The ear ring two 24 is arranged at the other end of the pull rod 20, the ear ring one 18 and the ear ring two 24 are arranged during installation and debugging, the control mechanism is pre-pressed, the manual adjusting nut 22 adjusts the normal pressure value according to the feedback of the pressure sensor 23, and the manual adjusting nut 22 sets the matching value of the normal pressure of the friction wheel. In addition, the four-orientation side edge clamping double polyurethane wheel driving access device is arranged, when the goods are in the lifting process, the friction wheel can automatically maintain the pressure when the power is accidentally cut off, and the plate support is prevented from accidentally falling.

[0030] It is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims instead of the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the involved claims.

Claims

1. A friction wheel clamping type plate supporting push-pull storage and retrieval device comprising a moving frame (1), characterized in that: The mobile frame (1) is provided with a fixed frame (3) on one side, and a displacement driving unit is arranged between the mobile frame (1) and the fixed frame (3), the displacement driving unit comprises a horizontal displacement driving (4) fixed on the fixed frame (3), and a rack (5) and a linear guide rail (6) arranged on the mobile frame (1), four corners of the mobile frame (1) are provided with double friction wheel driving positive pressure clamping wheel groups (2), and the double friction wheel driving positive pressure clamping wheel groups (2) are matched with the displacement driving unit.

2. The friction wheel gripper plate carrier push-pull storage and retrieval device of claim 1, wherein: The double friction wheel driving positive pressure clamping wheel group (2) comprises a connecting arm (7) arranged on the mobile frame (1), a friction wheel driving seat (8) is arranged on the end face of the connecting arm (7), a bearing one (10) is arranged below the friction wheel driving seat (8), and a swing disc (9) is arranged at the bottom end of the bearing one (10).

3. The friction wheel gripper plate carrier push-pull storage and retrieval device of claim 2, wherein: A servo drive (11) is installed on the friction wheel driving seat (8), a driving gear (12) is arranged on the output portion below the servo drive (11), a gear polyurethane rubber coated wheel (13) is arranged on one side of the driving gear (12), a bearing two (14) is arranged in the gear polyurethane rubber coated wheel (13), a roller shaft (15) is arranged through the gear polyurethane rubber coated wheel (13) and the bearing two (14), and a fixed bottom plate (16) is arranged at the bottom of the roller shaft (15).

4. The friction wheel gripper plate carrier push-pull storage and retrieval device of claim 2, wherein: A hinge hole screw (17) and an ear ring one (18) are arranged on the connecting arm (7) and are hingedly connected, a left-handed adjusting nut (19) and a pull rod (20) are arranged on the end face of the ear ring one (18), a spring (21) and a manual adjusting nut (22) are sleeved on the middle segment of the pull rod (20), a pressure sensor (23) is arranged in the manual adjusting nut (22), and an ear ring two (24) is arranged at the other end of the pull rod (20).

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