CN220949852U - Rail type workpiece carrying device - Google Patents

Abstract

The utility model discloses a rail type workpiece carrying device, which comprises an annular driving rail, two annular supporting rails, a trolley driving mechanism and at least two carrying trolleys, wherein the annular driving rail is arranged on the annular supporting rails; each carrying trolley is supported and walked on two annular supporting rails and is used for carrying workpieces to move along the annular supporting rails; the annular driving rail is positioned between the two annular supporting rails, the trolley driving mechanism walks on the annular driving rail, and each carrying trolley is dragged by the trolley driving mechanism to move along the annular supporting rails. The rail type workpiece carrying device utilizes the trolley driving mechanism to carry out time-sharing driving on each carrying trolley, so that the step-by-step implementation of different processing time lengths at each station can be met, each station for workpiece coating is ensured to be in a high-efficiency running state, a lengthy assembly line is not required to be constructed, and the construction cost of a coating workshop is effectively saved; the carrying trolley can be used for carrying and transporting workpieces, and stable transportation of large-sized workpieces with large weight can be met.

Description

Rail type workpiece carrying device

Technical Field

The utility model relates to a workpiece conveying device, in particular to a rail type workpiece carrying device.

Background

Currently, in a workpiece coating production line, workpieces are required to be transported to perform processing of related procedures at each station, wherein the most common is hanging chain type workpiece transportation, and each workpiece can be transported synchronously by using a hanging chain mode. However, the processing time of each workpiece at each station is different, so that the suspension chain mode is often used for coordinating the time by setting different station lengths, which makes the whole assembly line longer. In addition, the manner of hanging the chain is not well suited for transporting heavy work pieces, which would otherwise present a safety risk and would also require a high structural strength of the hanging chain itself.

Disclosure of utility model

The utility model aims at: the rail type workpiece carrying device can realize carrying type conveying of workpieces, and can convey all the workpieces in a time-sharing mode without a lengthy assembly line.

The technical scheme is as follows: the track type workpiece carrying device comprises an annular driving track, two annular supporting tracks, a trolley driving mechanism and at least two carrying trolleys; each carrying trolley is supported and walked on two annular supporting rails and is used for carrying workpieces to move along the annular supporting rails; the annular driving rail is positioned between the two annular supporting rails, the trolley driving mechanism walks on the annular driving rail, and each carrying trolley is dragged by the trolley driving mechanism to move along the annular supporting rails.

Further, the trolley driving mechanism comprises a driving control unit, a trolley identification unit, a driving mechanism shell, a walking driving unit, a buckle driving unit and a buckle driving block; the driving mechanism shell is supported on the annular driving track in a walking way; the driving control unit, the trolley identification unit, the walking driving unit and the buckle driving unit are all installed on the driving mechanism shell, the buckle driving block is installed on the buckle driving unit, the driving mechanism shell is driven by the walking driving unit to move along the annular driving track, the buckle driving block is driven by the buckle driving unit to move up and down, the trolley identification unit is used for identifying the carrying trolley, and the driving control unit is used for driving and controlling the walking driving unit and the buckle driving unit.

Further, the carrying trolley comprises a track trolley, a positioning brake mechanism and a workpiece supporting mechanism; the track trolley comprises a support flat plate and four track wheels; four rail wheels are installed on the downside of the support flat plate, each two rail wheels respectively walk on two annular support rails, the workpiece support mechanism is arranged on the upper portion of the rail trolley, the positioning brake mechanism is arranged on the lower portion of the rail trolley, the workpiece support mechanism lifts and supports the workpiece, and the buckle driving block lifts and unlocks the positioning brake mechanism and drags the positioning brake mechanism.

Further, the positioning brake mechanism comprises a brake square rod, two brake tension springs and two brake bars; two middle supports are arranged at the middle position of the lower part of the front side of the support flat plate; the two middle supports are respectively provided with a bar-shaped sliding hole, and the brake square rod is transversely arranged on the two middle supports and the bar-shaped sliding holes on the two roller supports in a penetrating way; limiting discs are arranged on the side edges of the two rail wheels, and braking ribs are arranged on the circumferential edges of the limiting discs at intervals; the two brake bars are respectively and transversely arranged on the lower side edges of the two ends of the brake square rod; the upper ends of the two brake tension springs are respectively fixed on the lower side edges of the two ends of the brake square rod, the lower ends of the two brake tension springs are respectively fixed on the two roller supports and are used for elastically pulling the two ends of the brake square rod downwards, so that the brake bars are buckled on the brake ribs at the corresponding positions; be provided with the buckle notch on the last side of buckle drive piece for on the brake square bar of buckle between two middle support after rising, make the brake bar keep away from the brake bead and realize the unblock through lifting brake square bar, remove the removal of realizing supporting the dull and stereotyped through promoting brake square bar.

Compared with the prior art, the utility model has the beneficial effects that: the trolley driving mechanism is utilized to carry out time-sharing driving on each carrying trolley, so that the step-by-step implementation of different processing time lengths at each station can be met, each station for workpiece coating is ensured to be in a high-efficiency running state, a lengthy assembly line is not required to be constructed, and the construction cost of a coating workshop is effectively saved; the carrying trolley can be used for carrying and transporting workpieces, and stable transportation of large-sized workpieces with large weight can be met.

Drawings

FIG. 1 is a schematic diagram of the front view of the device of the present utility model;

FIG. 2 is a schematic left-hand view of the apparatus of the present utility model;

FIG. 3 is a schematic diagram of a left-hand structure of the cart driving mechanism of the present utility model;

FIG. 4 is a schematic view of the internal structure of the cart driving mechanism of the present utility model;

fig. 5 is a schematic circuit structure of the present utility model.

Detailed Description

The technical scheme of the present utility model will be described in detail with reference to the accompanying drawings, but the scope of the present utility model is not limited to the embodiments.

Example 1:

as shown in fig. 1 to 5, the track type workpiece carrying device disclosed in the present utility model includes: an annular driving rail 102, two annular supporting rails 103, a trolley driving mechanism and at least two carrying trolleys; each carrying trolley is supported and walked on two annular supporting rails 103 and is used for carrying the workpiece 100 to move along the annular supporting rails 103; the annular driving rail 102 is positioned between the two annular supporting rails 103, the trolley driving mechanism walks on the annular driving rail 102, and the trolley driving mechanism drags the carrying trolley to move along the annular supporting rails 103.

The trolley driving mechanism is utilized to carry out time-sharing driving on each carrying trolley, so that the step-by-step implementation of different processing time lengths at each station can be met, each station for workpiece coating is ensured to be in a high-efficiency running state, a lengthy assembly line is not required to be constructed, and the construction cost of a coating workshop is effectively saved; the carrying trolley can be used for carrying and transporting the workpiece 100, and stable transportation of the workpiece 100 with large weight can be met.

Further, the cart driving mechanism includes a driving control unit, a cart recognition unit, a driving mechanism housing 101, a travel driving unit, a buckle driving unit, and a buckle driving block 117; the driving mechanism shell 101 is supported on the annular driving track 102 in a walking way; the driving control unit, the trolley identification unit, the walking driving unit and the buckle driving unit are all installed on the driving mechanism shell 101, the buckle driving block 117 is installed on the buckle driving unit, the walking driving unit drives the driving mechanism shell 101 to move along the annular driving track 102, the buckle driving unit drives the buckle driving block 117 to move up and down, the trolley identification unit identifies the carrying trolley, and the driving control unit drives and controls the walking driving unit and the buckle driving unit. The buckle driving unit is utilized to drive the buckle driving block 117 to move up and down, so that the buckle driving block 117 is lifted to buckle when the vehicle is driven to the vehicle trolley which needs to be pushed, and the vehicle trolley which does not need to be pushed can directly pass below the vehicle trolley when the vehicle trolley is encountered.

Further, the cart identification unit includes a card reader 108 and an electronic tag for identification; the electronic tags include a cart electronic tag 109 attached to a carrying cart and a dock identification tag 132 on an L-shaped bracket 130. Thereby identifying which carrier cart is based on the cart electronic tag 109 and judging whether to arrive at the parking position based on the parking identification tag 132.

Further, the travel driving unit includes a travel driving motor 133, a travel driving gear 134, and a travel driving rack 123; a rail groove 118 is longitudinally arranged on the lower side surface of the driving mechanism shell 101 in a penetrating way, each supporting rail wheel 137 is arranged at the bottom of the rail groove 118 at intervals, and the supporting rail wheels 137 support and walk on the annular driving rail 102; the walking driving rack 123 is arranged on the edge of the upper track surface of the annular driving track 102, and side square holes 135 are correspondingly arranged at the left and right groove surfaces of the track groove 118; a side support roller 125 for supporting the track surface edge of the endless drive track 102 is rotatably installed at the side square hole 135 on one side; the movable driving gear 134 is rotatably installed at the side square hole 135 of the other side, and the movable driving gear 134 is engaged with the traveling driving rack 123; the movement driving motor 133 drives the movement driving gear 134 to rotate through the walking driving shaft, and the controller drives the movement driving motor 133 to rotate through the movement driving circuit. The driving mechanism shell 101 can be supported on the annular driving track 102 in a three-dimensional and multi-point mode by utilizing the plurality of supporting track wheels 137, the plurality of upper supporting rollers 124 and the plurality of lower supporting rollers 138, so that the moving stability of the driving mechanism shell 101 is ensured; the traveling drive can be realized by the cooperation of the traveling drive rack 123 and the traveling drive gear 134; the side support rollers 125 and the traveling driving racks 123 are clamped on two sides of the annular driving track 102 relatively, so that the meshing reliability of the traveling driving racks 123 and the traveling driving racks 123 is ensured.

Further, a plurality of upper support rollers 124 and a plurality of lower support rollers 138 are rotatably mounted on the left and right groove surfaces of the rail groove 118, and the upper support rollers 124 support the upper rail lower side surface of the endless drive rail 102, and the lower support rollers 138 support the web of the endless drive rail 102. The stability of the movement of the driving mechanism housing 101 can be effectively enhanced by the supporting cooperation of the plurality of upper supporting rollers 124 and the plurality of lower supporting rollers 138 to the annular driving rail 102.

Further, the buckle driving unit includes a lifting driving motor 126, a lifting driving screw 122 and a lifting driving seat 127; a lifting window is arranged on the left side surface of the driving mechanism shell 101, a side support seat 121 is vertically arranged on the front side edge and the rear side edge of the lifting window, and side support sliding grooves 129 are vertically arranged on the opposite side surfaces of the two side support seats 121; the lifting drive screw 122 is vertically installed in the driving mechanism shell 101 in a rotating mode, and the lifting drive screw 122 is installed on the lifting drive seat 127 in a penetrating threaded screwing mode; the side edge of the lifting driving seat 127 protrudes out of the lifting window, and the buckle driving block 117 is fixed on the protruding side edge of the lifting driving seat 127; a side support slider 128 is provided on the elevation drive block 127 and slidably inserted into the side support chute 129; the controller drives the lifting driving motor 126 to rotate through the lifting driving circuit, and the lifting driving motor 126 is used for driving the lifting driving screw 122 to rotate. The stability of the lifting drive block 127 can be ensured by the cooperation of the side support slide groove 129 and the side support slide block 128.

Further, the driving control unit comprises a controller, a WiFi module, a 4G communication module, a voltage acquisition circuit, a lifting driving circuit and a mobile driving circuit; the controller is respectively and electrically connected with the card reader 108, the WiFi module, the 4G communication module, the voltage acquisition circuit, the lifting driving circuit and the mobile driving circuit of the trolley identification unit; the voltage acquisition circuit is electrically connected with the rechargeable battery 140 and is used for acquiring the voltage value of the rechargeable battery 140; the WiFi module is used for being connected with the control cabinet in a wireless communication mode and receiving the transportation instruction of the control cabinet. The 4G communication module can be used for sending reminding information, such as reminding information of insufficient battery voltage, to an operator; the voltage collection of the rechargeable battery 140 can be achieved using a voltage collection circuit.

Further, a stop recognition mechanism is arranged on the side edge of the annular driving track 102; a battery compartment 136 is arranged on the side of the driving mechanism shell 101, a rechargeable battery 140 is arranged in the battery compartment 136, and the rechargeable battery 140 supplies power for the driving control unit; a bin door 119 is arranged at the battery bin 136, and a door handle 139 is arranged on the bin door 119, so that the rechargeable battery 140 in the bin door can be replaced conveniently; the dock identification mechanism includes an L-shaped bracket 130 and a dock identification tag 132; the L-shaped bracket 130 is fixedly arranged on the side edge of the annular driving track 102 through a bracket bottom plate 131, and a stop identification tag 132 is arranged below a horizontal plate of the L-shaped bracket 130; as the cart drive mechanism passes, the reader 108 can read the dock identification tag 132 to determine if it is at the dock location. When the voltage of the rechargeable battery 140 is collected by the voltage collecting circuit and is lower than the threshold value, the mobile driving circuit drives the mobile driving motor 133 to work, so that the trolley driving mechanism moves to the stop recognition mechanism, and when the stop recognition tag 132 is recognized, the movement is stopped, and then notification information is sent to an operator through the 4G communication module, so that the rechargeable battery 140 is replaced timely by the operator. The use of the dock identification tag 132 can facilitate reading by the reader 108 to determine if a battery replacement dock is reached.

Further, the carrying trolley comprises a track trolley, a positioning brake mechanism and a workpiece supporting mechanism; the trolley comprises a support plate 104 and four rail wheels 111; four rail wheels 111 are installed on the downside of the support flat plate 104, each pair of rail wheels walks on two annular support rails 103 respectively, the workpiece support mechanism is arranged on the upper portion of the rail trolley, the positioning brake mechanism is arranged on the lower portion of the rail trolley, the workpiece 100 is lifted and supported by the workpiece support mechanism, and the positioning brake mechanism is lifted, unlocked and dragged by the buckle driving block 117.

Further, the positioning brake mechanism comprises a brake square rod 116, two brake tension springs 115 and two brake bars 114; two intermediate supports 142 are provided at the front lower intermediate positions of the support plate 104; the bar-shaped sliding holes 141 are vertically arranged on the roller supports of the two rail wheels 111 and the two middle supports 142 on the front side, and the brake square rod 116 is transversely and penetratingly arranged on the two middle supports 142 and the bar-shaped sliding holes 141 on the two roller supports; a limit disc 112 is arranged on the side edges of the two rail wheels 111, and braking ribs are arranged on the circumferential edges of the limit disc 112 at intervals; two brake bars 114 are respectively transversely arranged on the lower side edges of two ends of a brake square bar 116; the upper ends of the two brake tension springs 115 are respectively fixed on the lower side edges of the two ends of the brake square bar 116, and the lower ends are respectively fixed on the two roller supports and are used for elastically pulling the two ends of the brake square bar 116 downwards so that the brake bars 114 are buckled on the brake ribs at the corresponding positions; a buckle notch 120 is formed in the upper side edge of the buckle driving block 117 and is used for being buckled on the brake square rod 116 between the two middle supports 142 after ascending, unlocking is realized by lifting the brake square rod 116 to enable the brake bar 114 to be far away from the brake rib, and movement of the support plate 104 is realized by pushing the brake square rod 116 to move; a lower pressing roller 113 is rotatably mounted on a roller support of the rail wheel 111, and the lower pressing roller 113 is supported to travel on a lower side surface of an upper track surface of the annular support track 103, thereby ensuring that the rail wheel 111 does not separate from the annular support track 103. The brake square rod 116 and the bar-shaped sliding hole 141 are matched, so that the brake square rod 116 can slide up and down stably, and the buckling stability of the brake rib and the brake bar 114 is ensured; the brake tension spring 115 can timely realize the buckling of the brake rib and the brake bar 114, and the locking state is kept after the buckle driving block 117 descends away, so that the stability of the carrying trolley on the annular supporting rail 103 is ensured; the lifting motion of the buckle driving block 117 is utilized to unlock the brake rib and the brake bar 114, and under the pulling action of the brake tension spring 115, the brake square rod 116 is firmly limited in the buckle notch 120, so that the reliability of pushing the carrying trolley is ensured.

Further, the workpiece support mechanism comprises a plurality of telescopic support units; the telescopic support unit comprises a detachable base 110, a telescopic tube 105, a telescopic stay 107 and a telescopic positioning bolt 106; the detachable base 110 is detachably mounted on the upper side surface of the support flat plate 104, the lower end of the telescopic tube 105 is fixed on the detachable base 110, the lower end of the telescopic support rod 107 is inserted into the telescopic tube 105, the telescopic positioning bolt 106 is screwed and mounted at the upper end tube orifice of the telescopic tube 105, and the end part of the telescopic positioning bolt 106 extends into the positioning pin hole on the telescopic support rod 107. The support of the workpieces 100 at different heights at multiple points can be realized by utilizing each telescopic support unit, and the support requirements of different workpieces 100 are met.

Further, a trolley electronic tag 109 for marking the identity of the carrying trolley is arranged on the lower side surface of the brake square bar 116; when the buckle driving block 117 moves to the position below the brake square bar 116, the card reader 108 is close to the trolley electronic tag 109, so that the trolley driving mechanism can know the identity of the carrying trolley conveniently, and whether the carrying trolley needs to be pushed or directly passes through from the lower part is judged.

In the track type workpiece carrying device disclosed by the utility model, the controller adopts the existing singlechip control module to realize simple program control execution; the WiFi module adopts the existing WiFi communication module and can carry out wireless communication with the control cabinet; the 4G communication module adopts the existing 4G communication module; the voltage acquisition circuit is only required to adopt the existing divided voltage acquisition circuit; the moving driving motor 133 and the lifting driving motor 126 are both existing stepping motors with a speed reducing function, so that the number of revolutions of the motors can be precisely controlled as required; the mobile driving circuit and the lifting driving circuit adopt the existing motor driving circuit for respectively driving and controlling the mobile driving motor 133 and the lifting driving motor 126; the reader 108 employs an existing electronic tag reader.

As described above, although the present utility model has been shown and described with reference to certain preferred embodiments, it is not to be construed as limiting the utility model itself. Various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (4)

1. A rail mounted work piece carrier, characterized by: comprises an annular driving track (102), two annular supporting tracks (103), a trolley driving mechanism and at least two carrying trolleys; each carrying trolley is supported and walked on two annular supporting rails (103) and is used for carrying workpieces (100) to move along the annular supporting rails (103); the annular driving rail (102) is positioned between the two annular supporting rails (103), the trolley driving mechanism walks on the annular driving rail (102), and each carrying trolley is dragged by the trolley driving mechanism to move along the annular supporting rail (103).

2. The track-type workpiece carrier of claim 1, wherein: the trolley driving mechanism comprises a driving control unit, a trolley identification unit, a driving mechanism shell (101), a walking driving unit, a buckle driving unit and a buckle driving block (117); the driving mechanism shell (101) is supported on the annular driving track (102) in a walking way; the driving control unit, the trolley identification unit, the walking driving unit and the buckle driving unit are all installed on the driving mechanism shell (101), the buckle driving block (117) is installed on the buckle driving unit, the walking driving unit drives the driving mechanism shell (101) to move along the annular driving track (102), the buckle driving unit drives the buckle driving block (117) to move up and down, the trolley identification unit identifies the carrying trolley, and the driving control unit drives and controls the walking driving unit and the buckle driving unit.

3. The track-type workpiece carrier of claim 2, wherein: the carrying trolley comprises a track trolley, a positioning brake mechanism and a workpiece supporting mechanism; the track trolley comprises a support flat plate (104) and four track wheels (111); four rail wheels (111) are installed on the downside of supporting flat plate (104), two annular supporting rails (103) are walked on each other, a workpiece supporting mechanism is arranged on the upper portion of a rail trolley, a positioning brake mechanism is arranged on the lower portion of the rail trolley, a workpiece (100) is lifted and supported by the workpiece supporting mechanism, and a buckle driving block (117) lifts, unlocks and drags the positioning brake mechanism.

4. The track-type workpiece carrier of claim 2, wherein: the positioning brake mechanism comprises a brake square rod (116), two brake tension springs (115) and two brake bars (114); two middle supports (142) are arranged at the middle position of the lower part of the front side of the supporting flat plate (104); the two middle supports (142) and the roller supports of the two rail wheels (111) on the front side are vertically provided with strip-shaped sliding holes (141), and the brake square rod (116) is transversely and penetratingly arranged on the two middle supports (142) and the strip-shaped sliding holes (141) on the two roller supports; limiting discs (112) are arranged on the side edges of the two rail wheels (111), and braking ribs are arranged on the circumferential edges of the limiting discs (112) at intervals; the two brake bars (114) are respectively transversely arranged on the lower side edges of two ends of the brake square rod (116); the upper ends of the two brake tension springs (115) are respectively fixed on the lower side edges of the two ends of the brake square rod (116), the lower ends of the two brake tension springs are respectively fixed on the two roller supports and are used for elastically pulling the two ends of the brake square rod (116) downwards so that the brake bars (114) are buckled on the brake ribs at the corresponding positions; be provided with buckle notch (120) on the last side of buckle drive piece (117) for buckle is on brake square bar (116) between two middle support (142) after rising, makes brake bar (114) keep away from the brake bead and realizes the unblock through lifting brake square bar (116), realizes the removal of supporting dull and stereotyped (104) through promoting brake square bar (116) removal.