Track-carrying conveying device

Abstract

The present invention relates to the technical field of material conveying, and specifically to a track-borne conveying device suitable for being arranged on a conveying track of a docking workstation to convey materials and capable of positioning and locking the materials, the track-borne conveying device comprising: a vehicle body, the vehicle body comprising a carrying platform; a blocking mechanism, the blocking mechanism being arranged on the vehicle body, the blocking mechanism comprising a blocking block; a clamping mechanism, the clamping mechanism being arranged on the vehicle body, the clamping mechanism comprising a clamping plate; the clamping plate is suitable for pushing a material trolley to be close to the blocking block to position and clamp the material trolley, thereby avoiding unknown deviation of the material trolley during the transfer process and realizing efficient and accurate docking with other logistics systems.

Description

Technical Field

[0001] The invention relates to the technical field of material conveying, and in particular to a track-bearing conveying device which is suitable for being arranged on a conveying track of a docking workstation to convey materials and can position and lock the materials. Background Art

[0002] The material cart is transported along the feed conveyor track of the docking workstation to the transfer port of the docking workstation. The docking workstation needs to transfer the material cart to automatically dock with other logistics systems. During the transfer process, the position of the material cart needs to be accurately controlled and ensured that the material cart will not deviate. Therefore, a conveying device with built-in positioning and clamping functions is required to accurately transfer the material cart. However, the turning radius of conventional AGV carts is too large, the requirements for the work site are too high, and the path accuracy of AGV carts is not high; conventional RGV carts can achieve the position accuracy of transmission on the track, but they cannot avoid the unknown deviation of the material cart due to inertia or vibration during the transmission process, thereby affecting the docking accuracy and efficiency of the material cart and other material systems. Summary of the invention

[0003] Therefore, the technical problem to be solved by the present invention is to overcome the problems of low transfer accuracy and efficiency in the prior art when transferring the material cart transmitted to the docking workstation to dock with other material systems, thereby providing a rail-carrying conveying device with a positioning and clamping mechanism.

[0004] In order to solve the above technical problems, the technical solution adopted by the present invention is as follows:

[0005] The present invention provides a rail-borne conveying device, which comprises: a vehicle body, which comprises a bearing platform; a blocking mechanism, which is arranged on the vehicle body and comprises a blocking block; a clamping mechanism, which is arranged on the vehicle body and comprises a clamping plate; the clamping plate is suitable for pushing a material trolley to be close to the blocking block so as to position and clamp the material trolley.

[0006] Furthermore, the blocking block is fixed on the vehicle body, and the first end of the blocking block protrudes from the bearing platform.

[0007] Furthermore, the blocking mechanism also includes a first driving mechanism, which is installed on the vehicle body, and the driving end of the first driving mechanism is connected to the second end of the blocking block, and the first driving mechanism drives the blocking block to switch between a blocking position and a release position.

[0008] Furthermore, the blocking mechanism also includes a blocking channel, the blocking channel is installed on the vehicle body, the blocking channel is perpendicular to the bearing platform, and the blocking channel is slidably connected to the blocking block.

[0009] Further, there are two clamping mechanisms, and the two clamping mechanisms are arranged on opposite sides of the vehicle body.

[0010] Furthermore, the clamping mechanism also includes a second driving mechanism, which is fixed to the vehicle body, and a driving end of the second driving mechanism is connected to the second end of the clamping plate, and the first end of the clamping plate is suitable for pushing the material trolley.

[0011] Furthermore, the clamping mechanism also includes: a fixing plate, which is installed on the vehicle body; a connecting plate, the first end of which is hinged to the fixing plate, and the second end of which is hinged to the clamping plate near the middle of the clamping plate; the second driving mechanism is fixed to the fixing plate, and the driving end of the second driving mechanism is hinged to the second end of the clamping plate.

[0012] Furthermore, the rail-carrying conveying device also includes a lifting mechanism, which is fixed on the vehicle body, and the lifting mechanism includes: a support bearing, which has two support bearings, and the two support bearings are respectively installed at opposite ends of the frame inside the vehicle body; a drive shaft, the drive shaft passes through the two support bearings and is matched with them; a cam, which has two cams, and the two cams are correspondingly fixed at both ends of the drive shaft, and the two cams are respectively provided with follower bearings at the ends away from the fixed ends of the cams, and the follower bearings correspond to each other; a cam slide groove, which has two cam slide grooves, and the cam slide grooves are respectively connected to the The follower bearing is matched, and the upper and lower groove walls of the cam groove are in fit with the outer diameter of the follower bearing; the lifting rod, the lifting rod is divided into two pairs, one end of the two pairs of lifting rods is respectively connected to the two cam grooves, and the other end is connected to the carrying platform; the third driving mechanism, the third driving mechanism is connected to the driving shaft; the guide rod, the guide rod can be movably arranged in the four guide channels of the vehicle body, and the upper end of the guide rod is connected to the carrying platform; the follower bearing slides left and right in the cam groove while following the rotation of the cam, and drives the cam groove and the carrying platform to lift and retract.

[0013] Furthermore, the lifting mechanism also includes a sensor, and the sensor is arranged on one side of the cam sliding groove.

[0014] Furthermore, the first, second and third driving mechanisms are pneumatic, hydraulic or motor driven.

[0015] The technical solution of the present invention has the following advantages:

[0016] 1. The rail-carrying conveying device provided by the present invention includes a vehicle body, a blocking mechanism and a clamping mechanism. The vehicle body is used to carry a material cart and transport it along the track. The blocking mechanism and the clamping mechanism cooperate with each other to accurately position the material cart on the bearing surface of the vehicle body and clamp it at the positioning position, thereby avoiding slippage of the material cart during transportation, realizing accurate transportation of the material cart and efficient and accurate docking with other logistics systems.

[0017] 2. The rail-carrying conveying device provided by the present invention also includes a lifting mechanism, which is driven by a built-in driving mechanism. The driving mechanism drives the cams fixed at both ends of the driving shaft to rotate, and drives the cam slide groove and the carrying platform connected to the cam slide groove to lift through a follower bearing arranged at the end of the cam away from the fixed end, thereby lifting the material cart on the carrying platform, reducing the movement resistance of the material cart during the transportation process, thereby further improving the transportation accuracy of the material cart.

[0018] 3. The rail-carrying conveying device provided by the present invention has a sensor disposed on one side of the cam slide groove for monitoring the lifting height of the cam slide groove, thereby realizing monitoring of the lifting height of the material trolley. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 A schematic diagram of an application scenario of a track-borne conveying device provided in an embodiment of the present invention;

[0021] Figure 2 A schematic diagram of the structure of a track-carrying conveying device provided in an embodiment of the present invention;

[0022] Figure 3 A schematic diagram of the structure of a clamping mechanism of a track-carrying conveying device provided in an embodiment of the present invention;

[0023] Figure 4 A schematic diagram of the structure of a blocking mechanism of a track-carrying conveying device provided in an embodiment of the present invention;

[0024] Figure 5 A schematic diagram of the structure of a lifting mechanism of a track-carrying conveying device provided in an embodiment of the present invention;

[0025] Description of reference numerals:

[0026] 1-vehicle body; 11-carrying platform; 2-track; 3-clamping mechanism; 31-second driving mechanism; 32-fixed plate; 33-connecting plate; 34-clamping plate; 4-blocking mechanism; 41-blocking block; 42-fixed frame; 43-blocking channel; 44-first driving mechanism; 5-lifting mechanism; 51-support bearing; 52-driving shaft; 53-lifting rod; 54-guide channel; 55-guide rod; 56-cam; 561-follow-up bearing; 562-cam slide groove; 563-sensor; 57-third driving mechanism. DETAILED DESCRIPTION

[0027] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] In the description of the present invention, it should be noted that the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. Unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be internal communication between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0030] Example 1

[0031] like Figure 1-5As shown, this embodiment provides a rail-borne conveying device, which is mainly suitable for being set on the conveying track of the docking workstation to convey materials and can position and lock the materials. Specifically, the material cart is transported along the feed conveying track of the docking workstation to the transfer port of the docking workstation, and the docking workstation needs to transfer the material cart to automatically dock with other logistics systems. The vehicle body 1 of the rail-borne conveying device runs to the bottom of the material cart located at the transfer port, and the lifting mechanism 5 starts to run to drive the bearing platform 11 to contact with the bottom of the material cart and lift the material cart; as a preferred embodiment, the third driving mechanism 57 can be a motor, which is fixed inside the vehicle body 1, and the motor and the drive shaft 52 can be driven by gear meshing. The drive shaft 52 spans across the two opposite ends of the vehicle body 1 through two support bearings 51; cams 56 are fixed at both ends of the drive shaft 51, and the positions of the two cams correspond to each other. The cam 56 is fixed to each other at both ends of the drive shaft 51. 6 rotates in the same manner as the driving shaft 51, and the edges of the two cams 56 are respectively provided with follower bearings 561, and the edge of the cam is the end of the cam away from the fixed end of the cam and the driving shaft, and the positions of the two follower bearings 561 correspond to each other; cam sliding grooves 562 are respectively provided at the positions of the two follower bearings 561, and the two follower bearings 561 cooperate with the two cam sliding grooves 562, and the follower bearings 561 can slide in the cam sliding grooves 562, and the outer diameter of the follower bearings is in contact with the upper and lower groove walls of the cam sliding grooves; the two cam sliding grooves 562 are respectively connected to the bearing platform through the lifting rod 53 11; the third driving mechanism 57 rotates, driving the driving shaft 52 to rotate, and the cams 56 and follower bearings 561 at both ends of the driving shaft 52 rotate accordingly, and the follower bearings 561 slide inside the cam slide groove 562 while rotating, and the rotation diameter of the follower bearing 561 is less than or equal to the length of the cam slide groove 562. As a preferred embodiment, the corners of the slide groove are set as chamfered corners to reduce the resistance of the follower bearing to convert the sliding direction to the opposite edge of the slide groove after sliding to the edge of the slide groove; the follower bearing 561 rotates along with the cam 56 while sliding in the cam slide groove 5 62, and drives the cam slide 562 and the carrying platform 11 to lift and retract; as a preferred embodiment, the number of guide rods 55 is 4, and the 4 guide rods are respectively matched with the four guide channels 54 arranged in the vehicle body 1. As a preferred embodiment, the four guide channels 54 are symmetrically arranged at the four corners of the vehicle body 1 and perpendicular to the carrying platform 11. The top of the guide rod 55 is fixedly connected to the carrying platform 11, and the other end is movable along the guide channel 54. The length of the guide rod 55 is greater than the maximum lifting height of the lifting mechanism 5. The lifting mechanism 5 lifts the material trolley on the carrying platform to reduce the movement obstacles of the material trolley during the transportation process, thereby improving the transportation accuracy of the material trolley.

[0032] The clamping mechanism 3 and the blocking mechanism 4 cooperate with each other to position and clamp the material cart above the carrying platform; as a preferred embodiment, there are two clamping mechanisms 3, and the two clamping mechanisms 3 are arranged on opposite sides of the vehicle body 1 respectively, and the pushing direction of the material cart by the clamping mechanism and the blocking direction of the material cart by the blocking mechanism are in opposite directions to each other, so that the clamping mechanism pushes the material cart to close to the blocking block of the blocking mechanism; the clamping mechanism 3 is fixed to the inside of the vehicle body through a fixing plate 32, and the second driving mechanism 31 is fixed on the fixing plate 32. As a preferred embodiment, the second driving mechanism 31 can be a cylinder, and the driving end of the cylinder is hinged to the second end of the clamping plate 34, and the first end of the clamping plate 34 is a clamping plate used to push the material cart. The clamping plate 34 is connected to the fixing plate 32 via a connecting plate 33, the first end of the connecting plate 33 is hinged to the fixing plate 32, the second end of the connecting plate 33 is hinged to the clamping plate 34 near the middle of the clamping plate, and the second end of the connecting plate 33 is the opposite end of the first end of the connecting plate; before the vehicle body runs under the material trolley, the clamping plate 33 is in the release position, and the second driving mechanism 31 drives the clamping plate to push the material trolley to run in the clamping direction; there is also an embodiment in which the second driving mechanism 31 is directly connected to the clamping plate 34, and the clamping plate extends vertically out of the periphery of the vehicle body to push the material trolley, and the driving direction of the second driving mechanism is the clamping direction of the clamping plate.

[0033] As a preferred embodiment, the blocking block 41 of the blocking mechanism 4 can be movably arranged inside the vehicle body 1, and switched between the blocking position and the release position under the drive of the first driving mechanism 44. While the second driving mechanism 31 drives the material trolley to run, the first driving mechanism 44 drives the blocking block to extend to block and position the material trolley; as a preferred embodiment, the first driving mechanism 44 can be a cylinder, which is connected to the blocking channel 43 and fixed inside the vehicle body 1 through a blocking fixing frame 42. The blocking block 41 is arranged inside the blocking channel 43 and can slide along the blocking channel 43. The second end of the blocking block 41 is connected to the driving end of the cylinder. Under the drive of the cylinder, the first end of the blocking block 41 extends out of the blocking channel 43 to block and position the material trolley. As a preferred embodiment, the blocking block, the blocking channel and the cylinder are perpendicular to the bottom surface of the carrying platform and the material trolley. The first end and the second end of the blocking block, i.e., the upper end and the lower end of the blocking block when it is vertically installed relative to the vehicle body; as a preferred embodiment, the blocking mechanism can be two, and the two blocking mechanisms are arranged in parallel, which is more reliable for blocking the material trolley. The blocking mechanism 4 and the clamping mechanism 3 cooperate with each other to accurately position the material trolley on the bearing surface of the vehicle body and clamp it at the positioning position so as to efficiently and accurately connect with other logistics systems.

[0034] As an alternative embodiment, in the above-mentioned track-carrying conveying device, the third driving mechanism and the driving shaft can also be connected via a coupling.

[0035] As an alternative embodiment, in the above-mentioned track-carrying conveying device, the cam can also be replaced by a connecting rod.

[0036] As an optional implementation, in the above-mentioned track-carrying conveying device, a sensor may be further provided on one side of the cam slide groove to monitor the lifting height of the cam slide groove, thereby realizing monitoring of the lifting height of the material trolley.

[0037] As an optional embodiment, in the above-mentioned track-carrying conveying device, the blocking block can also be directly fixed at the edge of the vehicle body 1, one end of the blocking block protrudes from the carrying platform 11, and the clamping plate directly pushes the material trolley close to the blocking block to block and position the material trolley.

[0038] As an alternative embodiment, in the above-mentioned track-carrying conveying device, the first, second and third driving mechanisms may also be hydraulic driving mechanisms.

[0039] The operation process of the track-carrying conveying device provided in this embodiment is as follows: the vehicle body 1 of the track-carrying conveying device runs to the bottom of the material trolley located at the transfer port, and the lifting mechanism 5 starts to drive the bearing platform 11 to contact the bottom of the material trolley and lift the material trolley. Before the vehicle body runs to the bottom of the material trolley, the clamping plate 33 is in the release position, and the second driving mechanism 31 drives the clamping plate to push the material trolley to run in the clamping direction. While the second driving mechanism 31 pushes the material trolley to run, the first driving mechanism 44 drives the blocking block to extend to block and position the material trolley. The clamping plate continues to apply force to the material trolley under the drive of the second driving mechanism 31 to clamp the material trolley against the blocking block. The track-carrying conveying device accurately positions the material trolley and clamps it at the positioning position, avoiding unknown offset of the material trolley during the transfer process and achieving efficient and accurate docking with other logistics systems.

[0040] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention.

Claims

1. A track-carrying conveying device, characterized in that: include: A vehicle body, wherein the vehicle body comprises a carrying platform; A blocking mechanism, the blocking mechanism is arranged on the vehicle body, the blocking mechanism comprises a blocking block; the blocking mechanism further comprises a first driving mechanism, the driving end of the first driving mechanism is connected to the second end of the blocking block, and the first driving mechanism drives the first end of the blocking block to switch between a blocking position and a release position; A clamping mechanism, the clamping mechanism is arranged on the vehicle body, the clamping mechanism comprises a clamping plate; the clamping plate is suitable for pushing the material trolley close to the blocking block to position and clamp the material trolley; wherein the clamping mechanism further comprises a second driving mechanism, the driving end of the second driving mechanism is connected to the second end of the clamping plate, and the first end of the clamping plate is suitable for pushing the material trolley; The clamping mechanism also includes: a fixed plate and a connecting plate, the first end of the connecting plate is hinged to the fixed plate, and the second end of the connecting plate is hinged to the clamping plate near the middle of the clamping plate; the second driving mechanism is fixed to the fixed plate, and the driving end of the second driving mechanism is hinged to the second end of the clamping plate.

2. The rail-borne conveying device according to claim 1, characterized in that: The blocking block is fixed on the vehicle body, and the first end of the blocking block protrudes from the bearing platform.

3. The rail-borne conveying device according to claim 1, characterized in that: The first driving mechanism is installed on the vehicle body; the second driving mechanism is fixed on the vehicle body; and the fixing plate is installed on the vehicle body.

4. The rail-borne conveying device according to any one of claims 1 and 3, characterized in that: The blocking mechanism further comprises a blocking channel, wherein the blocking channel is mounted on the vehicle body, the blocking channel is perpendicular to the bearing platform, and the blocking channel is slidably connected to the blocking block.

5. The rail-borne conveying device according to claim 1, characterized in that: There are two clamping mechanisms, and the two clamping mechanisms are arranged on opposite sides of the vehicle body.

6. The rail-borne conveying device according to claim 1, characterized in that: The track-carrying conveying device further comprises a lifting mechanism, which is fixed on the vehicle body and comprises: Support bearings, two of which are mounted on opposite ends of the frame inside the vehicle body; A drive shaft, the drive shaft passes through and is coupled to two support bearings; Cams, wherein there are two cams, the two cams are fixed to the two ends of the driving shaft respectively, and the two cams are respectively provided with follower bearings at the ends away from the fixed ends of the cams, and the follower bearings correspond to each other; Cam slide grooves, there are two cam slide grooves, the cam slide grooves are matched with the follower bearings respectively, and the upper and lower groove walls of the cam slide grooves are in contact with the outer diameter of the follower bearings; Lifting rods, the lifting rods are in two pairs, one end of the two pairs of lifting rods is connected to the two cam slide grooves respectively, and the other end is connected to the bearing platform; a third driving mechanism connected to the driving shaft; A guide rod, wherein the guide rod is movably disposed in four guide channels of the vehicle body, and the upper end of the guide rod is connected to the bearing platform; The follower bearing slides left and right in the cam slide groove while following the rotation of the cam, and drives the cam slide groove and the bearing platform to be lifted and retracted.

7. The rail-borne conveying device according to claim 6, characterized in that: The lifting mechanism also includes a sensor, and the sensor is arranged on one side of the cam sliding groove.

8. The rail-borne conveying device according to claim 6, characterized in that: The first, second and third driving mechanisms are pneumatic, hydraulic or motor driven.

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