Variable-pitch conveying device

Abstract

The utility model relates to the technical field of conveying equipment, and discloses a variable-pitch conveying device which comprises a track and a conveying assembly, the track is provided with a pushing groove, and the extending direction of the pushing groove is the same as that of the track; the conveying assembly comprises a driving rod, an elastic reset piece, a bottom plate, a positioning piece, a plurality of sliding block assemblies and a check block, the driving rod and the rail extend in the same direction, at least one part of each sliding block assembly extends into the rail through the pushing groove, the multiple sliding block assemblies are slidably connected to the driving rod at intervals, and the sliding block assemblies are connected with the driving rod through the elastic reset piece; each sliding block assembly is correspondingly provided with a check block, the check blocks are connected to the bottom plate in a sliding mode, and the check blocks are connected with the bottom plate through positioning pieces. When the driving rod drives the sliding block assembly to move towards the check block, the check block is located on the bottom plate through the locating piece, and the sliding block assembly abuts against the check block. According to the variable-pitch conveying device, the conveying requirements of workpieces with different station intervals can be met, the corresponding intervals between different stations can be flexibly adjusted, and the debugging efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of conveying equipment, in particular to a variable distance conveying device. BACKGROUND

[0002] The traditional belt mechanism is equidistant transmission, so the maximum distance is set between the stations, which causes unnecessary space waste and low space utilization of the production line or equipment; or a sensor and a blocking mechanism are used to realize variable distance in the transmission process, which depends on the correct sensing of the sensor and the correct operation of the blocking mechanism, if the sensor fails or the blocking mechanism moves for too long, the blocking of the workpiece will fail or the workpiece will be damaged, and if the distance between the stations changes, the overall mechanism needs to be adjusted, which cannot meet the flexible adjustment of the distance between the stations. SUMMARY

[0003] The utility model provides a variable distance conveying device, which can meet the conveying requirements of workpieces with different station distances, flexibly adjust the corresponding distance between different stations, reduce the debugging time and improve the debugging efficiency.

[0004] In order to achieve the above purpose, the utility model provides a variable distance conveying device, which comprises a track and a conveying assembly,

[0005] The track is provided with a pushing groove, and the pushing groove is the same as the extension direction of the track;

[0006] The conveying assembly comprises a driving rod, an elastic reset member, a bottom plate, a positioning member, a plurality of slider assemblies and a stop block, the driving rod is the same as the extension direction of the track, at least a part of the slider assembly extends into the track through the pushing groove, a plurality of slider assemblies are respectively and interval slidingly connected to the driving rod, the slider assembly is connected to the driving rod through the elastic reset member, each slider assembly is provided with a stop block, the stop block is slidingly connected to the bottom plate, and the stop block is connected to the bottom plate through the positioning member;

[0007] When the driving rod drives the slider assembly to move towards the stop block, the stop block is positioned on the bottom plate through the positioning member, and the slider assembly abuts against the stop block.

[0008] As a preferred scheme, the slider assembly comprises a slider and a pushing block, the pushing block is liftingly connected to the upper end of the slider, the pushing block extends into the track through the pushing groove, the slider is provided with a first through hole, the driving rod is arranged in the first through hole, the slider is connected to the driving rod through the elastic reset member, and the position of the slider corresponds to the position of the stop block in the extension direction of the track.

[0009] As a preferred solution, the sliding block assembly comprises a lifting driving member, and the push block is connected with the sliding block through the lifting driving member.

[0010] As a preferred solution, the driving rod comprises a rod body and a plurality of interval blocks, the interval blocks are connected to the rod body, the interval blocks are arranged at intervals on the rod body, a sliding interval is formed between adjacent interval blocks, the sliding block slides in the sliding interval, one end of the elastic reset member is connected to the interval block, and the other end is connected to the sliding block.

[0011] As a preferred solution, the bottom plate is provided with a spacing adjustment groove, the stop block comprises a body and a plug rod, one end of the plug rod is connected to the bottom of the body, the plug rod is connected with the positioning member through the spacing adjustment groove, and the body is arranged in position corresponding to the sliding block in the extension direction of the track.

[0012] As a preferred solution, the sliding block is protruded downward to form a positioning block, when the driving rod drives the sliding block to move towards the body, the positioning block abuts against the body.

[0013] As a preferred solution, the direction perpendicular to the moving direction of the sliding block is a first direction, the positioning blocks of adjacent sliding blocks are arranged in position offset in the first direction, the bottom plate is provided with a plurality of spacing adjustment grooves arranged at intervals in the first direction, the positioning blocks are arranged in position corresponding to the spacing adjustment grooves, and each spacing adjustment groove is connected with the stop block.

[0014] As a preferred solution, the track comprises a bearing plate and a side plate, the bearing plate is connected with the side plates on both sides respectively, and the bearing plate and the side plates are enclosed to form a push cavity, and the push groove is arranged on the bearing plate.

[0015] As a preferred solution, the conveying assembly comprises a support rod, the sliding block is provided with a second through hole, the support rod is arranged through the second through hole, and the sliding block is connected with the support rod in sliding mode.

[0016] As a preferred solution, the direction perpendicular to the moving direction of the sliding block is a first direction, the sliding block is provided with the second through hole at both ends in the first direction, and the second through holes at both ends of the sliding block are connected with the support rod.

[0017] The utility model discloses a kind of variable-pitch conveying devices compared with prior art, its beneficial effect is at: track is used to place workpiece for processing, wherein the bottom of track is equipped with push groove, at least a part of slider assembly is extended into track by push groove, to promote the movement of workpiece in track. Multiple slider assemblies are respectively spaced apart and slidably connected to driving rod, move simultaneously by the movement of driving rod and drive multiple slider assemblies to move, slider assembly is connected by elastic reset piece and driving rod, and the distance difference between adjacent slider assemblies is absorbed by elastic reset piece, to realize the transmission of workpiece between different stations with same driving source, and driving structure is simple. Stopper is slidably connected to driving rod, to adjust the distance between stopper according to the requirement of different station spacing. When driving rod drives slider assembly to move towards stopper direction, the stopper is connected to the bottom plate by the positioning element, and the positioning element enables stopper to be stably fixed on bottom plate, to realize the positioning of stopper, and allow stopper to slide on bottom plate, to adjust the position of stopper on bottom plate, when slider assembly and stopper abut, stopper limits the movement range of corresponding slider assembly, and other slider assemblies not abutting with stopper continue to move following driving rod. Since the distance between adjacent stoppers can be adjusted, the workpiece conveying requirement of different station spacing can be met, and corresponding spacing between different stations can be flexibly adjusted. Stopper guarantees the movement range of slider assembly, realizes accurate positioning, reduces debugging time, and improves debugging efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the overall structure schematic diagram of the utility model embodiment.

[0019] Figure 2 It is the structure schematic diagram of the conveying assembly of the utility model embodiment.

[0020] Figure 3 It is the structure schematic diagram of driving rod of the utility model embodiment.

[0021] Figure 4 It is the structure schematic diagram of slider of the utility model embodiment.

[0022] Figure 5 It is the assembly structure schematic diagram of bottom plate and baffle of the utility model embodiment.

[0023] Figure 6 It is the structure schematic diagram of baffle of the utility model embodiment.

[0024] Figure 7 It is the structure schematic diagram of the use state of the utility model embodiment.

[0025] In the drawing:

[0026] 10, track; 11, push groove; 12, bearing plate; 13, side plate;

[0027] 20. Conveying assembly; 21. Drive rod; 22. Rod body; 23. Spacer block; 24. Sliding section; 25. Elastic reset component; 26. Base plate; 27. Spacing adjustment groove; 28. Positioning component; 29. ​​Stop block; 30. Body; 31. Insert rod; 32. Support rod;

[0028] 40. Slider assembly; 41. Slider; 42. First through hole; 43. Push block; 44. Positioning block; 45. Lifting drive component; 46. Second through hole;

[0029] 50. Workpiece;

[0030] X, the first direction. Detailed Implementation

[0031] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate this utility model, but are not intended to limit its scope.

[0032] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" used to indicate the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0033] In the description of this utility model, it should be understood that the terms "connected," "linked," and "fixed," etc., used in this utility model should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or a welded connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly defined. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0034] like Figures 1 to 7 As shown, a preferred embodiment of the present invention provides a variable pitch conveying device, which includes a track 10 and a conveying assembly 20. The track 10 is provided with a push groove 11, and the push groove 11 extends in the same direction as the track 10.

[0035] The conveying assembly 20 comprises a driving rod 21, an elastic reset member 25, a bottom plate 26, a positioning member 28, and a plurality of slider assemblies 40 and stop blocks 29, the driving rod 21 is the same as the extension direction of the track 10, the slider assemblies 40 are at least partially extended into the track 10 through the pushing groove 11, the plurality of slider assemblies 40 are respectively and spacedly connected to the driving rod 21 in a sliding mode, the slider assemblies 40 are connected to the driving rod 21 through the elastic reset member 25, and each slider assembly 40 is provided with a stop block 29 corresponding thereto, the stop block 29 is connected to the bottom plate 26 in a sliding mode, and the stop block 29 is connected to the bottom plate 26 through the positioning member 28.

[0036] When the driving rod 21 drives the slider assemblies 40 to move towards the stop blocks 29, the stop blocks 29 are positioned on the bottom plate 26 through the positioning member 28, and the slider assemblies 40 abut against the stop blocks 29.

[0037] The variable-distance conveying device of the utility model, the track 10 is used for placing the workpiece 50 for processing, wherein the bottom of the track 10 is provided with the pushing groove 11, the slider assemblies 40 are at least partially extended into the track 10 through the pushing groove 11, so as to drive the workpiece 50 in the track 10 to move. The plurality of slider assemblies 40 are respectively and spacedly connected to the driving rod 21 in a sliding mode, the plurality of slider assemblies 40 are driven to move simultaneously through the movement of the driving rod 21, the slider assemblies 40 are connected to the driving rod 21 through the elastic reset member 25, the distance difference between the adjacent slider assemblies 40 is absorbed through the elastic reset member 25, and then the same driving source is used to realize the conveying of the workpiece 50 between different stations with different distances, and the driving structure is simple. The stop blocks 29 are connected to the driving rod 21 in a sliding mode, so as to adjust the distance between the stop blocks 29 according to the requirement of different station distances. When the driving rod 21 drives the slider assemblies 40 to move towards the stop blocks 29, the stop blocks 29 are connected to the bottom plate 26 through the positioning member 28, the positioning member 28 enables the stop blocks 29 to be stably fixed on the bottom plate 26, so as to realize the positioning of the stop blocks 29 and allow the stop blocks 29 to slide on the bottom plate 26, so as to adjust the position of the stop blocks 29 on the bottom plate 26. When the slider assemblies 40 abut against the stop blocks 29, the stop blocks 29 limit the movement range of the corresponding slider assemblies 40, and the slider assemblies 40 not abutting against the stop blocks 29 continue to move following the driving rod 21. Since the distance between the adjacent stop blocks 29 can be adjusted, the conveying requirement of the workpiece 50 between different stations with different distances can be met, and the corresponding distance between different stations can be flexibly adjusted. The stop blocks 29 ensure the movement range of the slider assemblies 40, realize accurate positioning, reduce the debugging time, and improve the debugging efficiency.

[0038] Further, the slider assembly 40 comprises a slider 41 and a pushing block 43, the pushing block 43 is connected to the upper end of the slider 41 in a lifting manner, the pushing block 43 extends into the track 10 through the pushing groove 11, the slider 41 is provided with a first through hole 42, the driving rod 21 is arranged in the first through hole 42, so that the slider 41 is connected with the driving rod 21 in a sliding manner, the slider 41 is connected with the driving rod 21 through the elastic reset member 25, and the position of the slider 41 is arranged in correspondence with the position of the stop block 29 in the extension direction of the track 10. The driving rod 21 drives the slider 41 to move, the slider 41 is arranged in correspondence with the stop block 29, and is in abutting cooperation with the stop block 29, so as to adjust the distance between adjacent pushing blocks 43, meet the conveying requirements of the workpiece 50 between different stations, and flexibly adjust the corresponding distance between different stations. The slider 41 is connected with the driving rod 21 through the elastic reset member 25, the distance difference between adjacent slider assemblies 40 is absorbed through the elastic reset member 25, and the slider 41 is returned to the initial position. The pushing block 43 is driven to move synchronously through the slider 41, the pushing block 43 is connected to the slider 41 in a lifting manner, when it is needed to push the workpiece 50 to move along the track 10, the pushing block 43 extends into the track 10 through the pushing groove 11, when it is not needed to push the workpiece 50 to return, the pushing block 43 is lowered to retract below the track 10, so that the pushing block 43 does not interfere with the workpiece 50 in the track 10 when moving back along the track 10.

[0039] Further, the slider assembly 40 comprises a lifting driving member 45, and the pushing block 43 is connected with the slider 41 through the lifting driving member 45. The lifting driving member 45 connects the pushing block 43 and the slider 41 in a lifting manner, and drives the pushing block 43 to ascend or descend.

[0040] As one of the embodiments, the lifting driving member 45 is a jacking cylinder or other transmission structure with lifting function.

[0041] Further, as shown in Figures 2 to 3 the driving rod 21 comprises a rod body 22 and a plurality of interval blocks 23, the interval blocks 23 are connected to the rod body 22, the plurality of interval blocks 23 are arranged at intervals on the rod body 22, the sliding intervals 24 are formed between adjacent interval blocks 23, the slider 41 slides in the sliding intervals 24, one end of the elastic reset member 25 is connected to the interval block 23, and the other end is connected to the slider 41. The interval blocks 23 are fixed to the rod body 22, the sliding intervals 24 are formed between adjacent interval blocks 23, and the sliders 41 slide in the sliding intervals, so as to ensure the sliding range between the sliders 41.

[0042] Further, as shown in Figures 5 to 6As shown, the bottom plate 26 is provided with a spacing adjustment groove 27, the stopper 29 comprises a body 30 and a plug rod 31, one end of the plug rod 31 is connected to the bottom of the body 30, the plug rod 31 is connected with the positioning member 28 through the spacing adjustment groove 27, and the body 30 is arranged in position correspondence with the sliding block 41 in the extension direction of the track 10. The body 30 is connected with the positioning member 28 through the plug rod 31, the body 30 slides along the spacing adjustment groove 27 through the plug rod 31, and after the body 30 completes position adjustment, the body 30 is positioned by the positioning member 28.

[0043] As one of the embodiments, the positioning member 28 is a nut, and the plug rod 31 is threadedly connected with the positioning member 28.

[0044] Further, as shown in the figure, Figures 2 to 4 The sliding block 41 protrudes downward to form a positioning block 44, when the driving rod 21 drives the sliding block 41 to move towards the body 30, the positioning block 44 abuts against the body 30. The pushing block 43 is located above the sliding block 41, and the positioning block 44 is located below the sliding block 41, and they do not interfere with each other during movement, ensuring the effectiveness and reliability of their respective transmissions.

[0045] Further, as shown in the figure, Figures 2 to 5 The direction perpendicular to the moving direction of the sliding block 41 is the first direction X, the positioning blocks 44 of the adjacent sliding blocks 41 are arranged in staggered positions in the first direction X, the bottom plate 26 is provided with a plurality of spacing adjustment grooves 27 arranged at intervals in the first direction X, the positioning blocks 44 are arranged in position correspondence with the spacing adjustment grooves 27, and each spacing adjustment groove 27 is connected with a stopper 29. The positioning blocks 44 of the adjacent sliding blocks 41 are arranged in staggered positions in the first direction X, so that the projections of the positioning blocks 44 of the adjacent sliding blocks 41 on the plane perpendicular to the extension direction of the track 10 do not overlap, the space of the track 10 in the extension direction can be fully utilized, and the adjacent sliding blocks 41 have a larger adjustment space.

[0046] Further, as shown in the figure, Figure 1 The track 10 comprises a bearing plate 12 and a side plate 13, the bearing plate 12 is connected with the side plate 13 on both sides to form a pushing cavity, and the pushing groove 11 is arranged on the bearing plate 12. The workpiece 50 is placed in the pushing cavity, the workpiece 50 is supported by the bearing plate 12, and the workpiece 50 is limited by the side plate 13 to prevent the workpiece 50 from falling during conveying. The workpiece 50 moves in the pushing cavity to limit the accommodation space of the workpiece 50, ensuring the effectiveness of the pushing of the workpiece 50 by the sliding block assembly 40.

[0047] Further, as shown in the figure, Figure 1As shown, the conveying assembly 20 comprises a support rod 32, the slider 41 is provided with a second through hole 46, the support rod 32 is arranged in the second through hole 46, and the slider 41 is in sliding connection with the support rod 32. The support rod 32 supports and guides the slider 41, and improves the sliding stability of the slider 41. As an embodiment, the two ends of the support rod 32 are connected to a base, the base is placed on the ground, and then the fixing of the support rod 32 is realized, or the two ends of the support rod 32 are fixed to a wall body, so that the fixing of the support rod 32 is realized.

[0048] Further, as shown in Figure 2 and Figure 4 , the direction perpendicular to the moving direction of the slider 41 is the first direction X, the slider 41 is provided with a second through hole 46 at both ends in the first direction X, and the second through holes 46 at both ends of the slider 41 are connected with the support rods 32. The two ends of the slider 41 are supported by the support rods 32, and the sliding stability of the slider 41 is further improved.

[0049] The use process of the utility model:

[0050] Different distances are arranged between the stop blocks 29, the workpiece 50 is in an initial position, the driving rod 21 is in an initial position, the pushing block 43 is in a jacking state, the direction of moving the workpiece 50 is forward, the driving rod 21 is pushed to move forward along the track 10, in the moving process, the slider 41 is in contact with and stopped by the lower stop block 29, at this time, the driving rod 21 is not pushed to the end of stroke, the elastic return element 25 behind the slider 41 is compressed, and the elastic return element 25 in front of the slider 41 is stretched; after the stroke of the driving rod 21 is completed, the pushing block 43 is retracted together with the jacking cylinder to below the track 10, the pushing rod runs backward to the initial position, the elastic return element 25 returns to the original position, the lifting driving element 45 drives the pushing block 43 to rise and extend into the track 10, and the cycle is completed.

[0051] In summary, the embodiment of the utility model provides a variable distance conveying device, track 10 is used for placing workpiece 50 for processing, wherein the bottom of track 10 is equipped with push groove 11, and at least a part of slider assembly 40 extends into track 10 through push groove 11 to push workpiece 50 in track 10 to move. A plurality of slider assemblies 40 are respectively spaced apart and slidably connected to driving rod 21, and a plurality of slider assemblies 40 are moved simultaneously by the movement of driving rod 21, slider assembly 40 is connected with driving rod 21 through elastic reset piece 25, and the distance difference between adjacent slider assemblies 40 is absorbed through elastic reset piece 25, and then the same driving source realizes the conveying of workpiece 50 between different stations, and the driving structure is simple. Stop block 29 is slidably connected to driving rod 21 to adjust the distance between stop block 29 according to the requirement of different station spacing. When driving rod 21 drives slider assembly 40 to move towards stop block 29, stop block 29 is connected to bottom plate 26 through positioning piece 28, positioning piece 28 enables stop block 29 to be stably fixed on bottom plate 26 to realize the positioning of stop block 29 and allow stop block 29 to slide on bottom plate 26 to adjust the position of stop block 29 on bottom plate 26, when slider assembly 40 abuts against stop block 29, stop block 29 limits the movement range of the corresponding slider assembly 40, and other slider assemblies 40 not abutting against stop block 29 continue to move along with driving rod 21. Since the distance between adjacent stop blocks 29 can be adjusted, the conveying requirement of workpiece 50 with different station spacing can be met, and the corresponding spacing between different stations can be flexibly adjusted. Stop block 29 ensures the movement range of slider assembly 40, realizes accurate positioning, reduces debugging time and improves debugging efficiency.

[0052] The above is only the preferred embodiment of the utility model, and it should be pointed out that, for ordinary skilled person in the art, without departing from the technical principle of the utility model, a plurality of improvements and replacements can be made, and these improvements and replacements should be regarded as the protection range of the utility model.

Claims

1. A variable-pitch conveying device, characterized in that: Including tracks and conveyor components, The track is provided with a pusher groove, and the pusher groove extends in the same direction as the track. The conveying assembly includes a drive rod, an elastic reset member, a base plate, a positioning member, and multiple slider assemblies and stops. The drive rod extends in the same direction as the track. At least a portion of each slider assembly extends into the track through the push groove. Multiple slider assemblies are slidably connected to the drive rod at intervals. Each slider assembly is connected to the drive rod through the elastic reset member. Each slider assembly is correspondingly provided with a stop. The stop is slidably connected to the base plate and is connected to the base plate through the positioning member. When the drive rod moves the slider assembly toward the stop block, the stop block is positioned on the base plate by the positioning member, and the slider assembly abuts against the stop block.

2. The variable-pitch conveying device according to claim 1, characterized in that: The slider assembly includes a slider and a push block. The push block is vertically connected to the upper end of the slider and extends into the track through the push slot. The slider has a first through hole, and the drive rod passes through the first through hole. The slider is connected to the drive rod through the elastic reset member. The position of the slider corresponds to the position of the stop block in the extension direction of the track.

3. The variable-pitch conveying device according to claim 2, characterized in that: The slider assembly includes a lifting drive component, and the push block is connected to the slider through the lifting drive component.

4. The variable-pitch conveying device according to claim 1, characterized in that: The drive rod includes a rod body and a plurality of spacers. The spacers are connected to the rod body and are spaced apart on the rod body. A sliding interval is formed between adjacent spacers. The slider slides in the sliding interval. One end of the elastic reset member is connected to the spacer and the other end is connected to the slider.

5. The variable-pitch conveying device according to claim 2, characterized in that: The base plate is provided with a spacing adjustment groove. The stop block includes a body and a rod. One end of the rod is connected to the bottom of the body. The rod passes through the spacing adjustment groove and is connected to the positioning member. The body is set in the extension direction of the track corresponding to the position of the slider.

6. The variable-pitch conveying device according to claim 5, characterized in that: The slider protrudes downward to form a positioning block. When the drive rod moves the slider toward the body, the positioning block abuts against the body.

7. The variable-pitch conveying device according to claim 6, characterized in that: The direction perpendicular to the moving direction of the slider is the first direction. The positioning blocks of adjacent sliders are staggered in the first direction. The base plate is provided with a plurality of spacing adjustment slots spaced apart along the first direction. The positioning blocks are positioned corresponding to the spacing adjustment slots. Each spacing adjustment slot is connected to a stop block.

8. The variable-pitch conveying device according to claim 1, characterized in that: The track includes a support plate and side plates. The side plates are connected to both sides of the support plate and enclose a pushing cavity. The pushing groove is disposed on the support plate.

9. The variable-pitch conveying device according to claim 2, characterized in that: The conveying assembly includes a support rod, the slider has a second through hole, the support rod passes through the second through hole, and the slider is slidably connected to the support rod.

10. The variable-pitch conveying device according to claim 9, characterized in that: The direction perpendicular to the moving direction of the slider is the first direction. The slider is provided with second through holes at both ends of the first direction, and the second through holes at both ends of the slider are respectively connected to the support rod.

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