CN217583066U - Novel multi-row variable-pitch sliding table for heavy-load screw - Google Patents

Abstract

The utility model relates to an automatic change displacement module equipment technical field, specifically disclose a novel heavy load screw rod multiseriate displacement slip table. It includes: the device comprises a driving assembly, a sliding rail assembly and a plurality of moving assemblies, wherein the driving assembly comprises an installation bottom plate, a rotating screw and a driving motor; still include at least one and be used for supporting the axle sleeve of rotating the screw rod main shaft, rotate the screw rod main shaft with the axle sleeve is coaxial to be set up, the axle sleeve is fixed to be set up in the mounting groove, mounting groove fixed connection is in on the mounting plate, the mounting panel both ends are provided with support piece, it is in to rotate the rotatable setting in screw rod both ends support piece is last. The utility model discloses can be so that holistic moving structure bears the loading power that produces when removing from two support directions, and load stress dispersion, strengthen the rationality of whole atress, improve the intensity of structure, set up the axle sleeve of support for rotating the screw rod simultaneously, make the atress more reasonable, provide the guarantee for the operation of heavy load, heavy load.

Description

Novel multi-row variable-pitch sliding table for heavy-load screw

Technical Field

The utility model belongs to the technical field of automatic change displacement module equipment, in particular to novel multiseriate displacement slip table of heavy load screw rod.

Background

Automation refers to a process of realizing an expected target by automatic detection, information processing, analysis and judgment, and control and manipulation according to the requirements of people under the condition that no person or few persons directly participate in a machine device, a system or a process. Automation technology is widely used in industry, agriculture, military, scientific research, transportation, commerce, medical treatment, services, and home.

In the application of automatic equipment, robots and multi-shaft linkage mechanisms, particularly high-precision multi-station carrying, laminating, grabbing, swinging plate sorting and other integrated equipment, the multi-station linkage mechanism is complex in structure, complex in mechanism, large in occupied space, heavy, low in efficiency, high in cost, short in service life and difficult to realize. In order to realize the actions such as frequently carrying, grabbing, placing and the like at multiple stations in the current market, the actions are usually realized by driving through a variable pitch module. In the prior art, a relatively advanced high-precision variable pitch module mainly drives a sliding block module to reciprocate by converting the rotation of a worm into linear motion. But because general displacement module all adopts the mode that sets up the slide rail at same horizontal plane height to carry out the guide movement, the displacement module makes the slide rail atress uneven easily in frequent reciprocal start, especially when the weight that bears on the displacement module is great, and frequent reciprocal start makes the fixed of slide rail be difficult to keep, needs frequent regular time tight maintenance, otherwise the condition such as slide rail fixing bolt fracture is not hard up appears easily.

Therefore, the variable pitch module slide rail structure design among the prior art is reasonable inadequately, and structural stability is not strong, and the inside atress of structure is inhomogeneous, is difficult to be suitable for to the service environment of great load.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel multiseriate displacement slip table of heavy load screw rod to it is reasonable inadequately to overcome the displacement module slide rail structural design among the prior art, and structural stability is not strong, and the inside atress of structure is inhomogeneous, is difficult to the problem that is suitable for to the service environment of great load.

In order to achieve the above object, the utility model provides a novel multiseriate displacement slip table of heavy load screw rod, include: the sliding rail device comprises a driving assembly, a sliding rail assembly and a plurality of moving assemblies, wherein the moving assemblies are connected to the sliding rail assembly in a sliding mode, and the sliding rail assembly is installed on the driving assembly;

the driving assembly comprises a mounting bottom plate, a rotating screw and a driving motor; the rotating screw rod is rotatably arranged on the mounting base plate, and a plurality of cam grooves are spirally arranged on the rotating screw rod; a rotating output shaft of the driving motor is connected with the rotating screw;

still include at least one and be used for supporting the axle sleeve of rotating the screw rod main shaft, rotate the screw rod main shaft with the axle sleeve is coaxial to be set up, the axle sleeve is fixed to be set up in the mounting groove, mounting groove fixed connection is in on the mounting plate, the mounting panel both ends are provided with support piece, it is in to rotate the rotatable setting in screw rod both ends support piece is last.

Preferably, the slide rail assembly is arranged on the mounting base plate and comprises at least two first slide rails, at least two second slide rails, a plurality of first slide blocks and a plurality of second slide blocks; the first sliding rail is arranged on the upper surface of the mounting bottom plate; the two second slide rails are arranged on the same side surface of the mounting bottom plate; the first sliding block and the second sliding block are respectively arranged on the first sliding rail and the second sliding rail, and the first sliding block and the second sliding block can respectively slide along the first sliding rail and the second sliding rail.

Preferably, a single said moving assembly comprises a moving block and a guide; the moving blocks are arranged on the first sliding block and the second sliding block at the same time, and the first sliding block and the second sliding block arranged on the moving blocks of two adjacent groups of moving assemblies are not arranged on the same first sliding rail and the same second sliding rail; one end of the guide piece is arranged on the moving block, the other end of the guide piece is inserted into the cam groove to be matched with the cam groove, and the driving motor drives the rotating screw to rotate and pushes the guide piece to drive the moving assembly to move through the cam groove.

Preferably, the guide member is adjustably disposed on the moving block, a mounting hole is disposed on the moving block, the guide member is disposed at the mounting hole, the mounting hole and the guide member are in threaded fit, and the guide member can be inserted into or separated from the cam groove in a rotating and moving manner along the mounting hole.

Preferably, the helical cam grooves of the rotary screw are arranged in a uniform pitch or non-uniform pitch.

Preferably, the spiral direction of the cam groove spirally arranged on the rotating screw rod is a unidirectional spiral or a bidirectional spiral.

Preferably, the spiral direction of the cam groove is a bidirectional spiral, and the two ends of the rotating screw are sequentially and symmetrically provided with cam grooves with opposite spiral directions.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses a set up the axle sleeve and support the rotation screw rod, can effectually protect the rotation screw rod, avoid rotating the screw rod and take place to warp, make the atress more reasonable, provide the guarantee for the operation of heavy load, heavy load.

2. The utility model discloses a setting is with first slide rail and second slide rail setting at the upper surface and the side of mounting plate, and set up the removal subassembly simultaneously on first slide rail and second slide rail, thereby make holistic moving structure bear the loading force that produces when removing from two support directions, and the corresponding first slide rail and the second slide rail that adjacent two sets of removal subassemblies set up are all different, thereby make adjacent removal subassembly be unlikely to concentrate to the load stress dispersion of slide rail, can strengthen the rationality of whole atress, increase the quantity and the position of having adjusted the second slide rail, improve overall structure's intensity, for the heavy load, the operation of heavy load provides the guarantee.

Drawings

Fig. 1 is the utility model provides a novel heavy load screw rod multiseriate displacement slip table's assembly structure schematic diagram.

Fig. 2 is a schematic view of a main structure of the driving assembly provided by the present invention.

Fig. 3 is a schematic view of the slide rail assembly provided by the present invention.

Fig. 4 is a structure of the moving assembly provided by the present invention.

Fig. 5 is a schematic view illustrating the cooperation between the first slide rail and the first slide block.

Description of the main reference numerals:

1. a drive assembly; 11. mounting a bottom plate; 111. mounting grooves; 12. rotating the screw; 121. a cam slot; 13. a drive motor; 14. a transmission cover; 15. a support member; 16. a shaft sleeve; 17. a rear cover; 2. a slide rail assembly; 21. a first slide rail; 22. a second slide rail; 23. a first slider; 24. a second slider; 3. a moving assembly; 31. a moving block; 32. a guide member; 321. a stud; 322. a cam follower; 33. and (7) installing holes.

Detailed Description

The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited by the following detailed description.

As shown in fig. 1-4, which are respectively an assembly structure schematic diagram, a driving component structure schematic diagram, a sliding rail component schematic diagram and a moving component structure schematic diagram of the novel heavy-duty screw multi-column pitch-variable sliding table provided in this embodiment, a novel heavy-duty screw multi-column pitch-variable sliding table includes: the sliding rail device comprises a driving assembly, a sliding rail assembly and a plurality of moving assemblies, wherein the moving assemblies are connected to the sliding rail assembly in a sliding mode, and the sliding rail assembly is installed on the driving assembly;

the driving assembly 1 comprises a mounting bottom plate 11, a rotating screw 12 and a driving motor 13; the rotating screw 12 is rotatably arranged on the mounting base plate 11, and a plurality of cam grooves 121 are spirally arranged on the rotating screw 12; a rotary output shaft of the driving motor 13 is connected with the rotary screw 12;

still include at least one and be used for supporting the axle sleeve 16 of rotating the main shaft of screw rod 12, rotate the main shaft of screw rod 12 with the coaxial setting of axle sleeve 16, axle sleeve 16 is fixed to be set up in mounting groove 111, mounting groove 111 fixed connection is in on the mounting plate 11, the mounting plate 11 both ends are provided with support piece 15, it is in to rotate the rotatable setting in screw rod 12 both ends on support piece 15.

It is understood that the driving motor 13 in this embodiment may be a conventional motor, and the connection relationship between the driving motor 13 and the rotating screw 12 may be set in a conventional manner in the prior art, for example, by a conventional manner such as belt transmission, chain transmission, etc., or may be directly connected to the rotating screw 12 by connecting the output shaft of the driving motor 13 through a conventional component such as a transmission, a shaft coupling, etc., and the belt transmission structure (not shown) may be disposed inside the transmission housing 14, as shown in fig. 1.

It is understood that the mounting base plate 11 may be formed by combining, fixing, connecting and forming a plurality of plates, such as welding, bolting, etc., or may be integrally formed, for example, as shown in fig. 2, the mounting base plate is formed by bolting an upper plate and two side plates, and further details are not further described herein; the shape of the mounting groove 111 may be a general U shape and other conventional shapes, which are not further described herein; the connection between the support 15 and the rotating screw 12 may be provided by conventional bearings.

Further, in this embodiment, as shown in fig. 2, the number of the shaft sleeves 16 is one, the position of the shaft sleeve 16 is located in the middle of the mounting groove 111, and the shaft sleeve 16 is disposed in the middle of the mounting groove 111 to form a support for the rotating screw 12, so as to avoid deformation of the rotating screw 12.

It can be understood that the shaft sleeve 16 is positioned and arranged in the mounting base plate 11 by arranging the mounting groove 111 in the mounting base plate 11, so as to ensure that no axial relative movement occurs between the shaft sleeve 16 and the rotary screw 12, and the shaft sleeve 16 should not interfere with the cam groove 121, so as to avoid collision between the shaft sleeve 16 and the guide 32, as shown in fig. 2, in this embodiment, a half-open type shaft sleeve 16 is used as a preferred embodiment, the shaft sleeve 16 is a U-shaped groove structure, and can accommodate the screw 12 to rotate in the groove, the shaft sleeve 16 is itself fixedly arranged on the mounting base plate 11, and can provide support for the screw 12 while not interfering with the screw 12, of course, more specific ways can be arranged according to actual needs in combination with the conventional ways of the prior art, and are only briefly described here and are not shown.

The slide rail assembly 2 is arranged on the mounting base plate 11, and the slide rail assembly 2 comprises at least two first slide rails 21, at least two second slide rails 22, a plurality of first slide blocks 23 and a plurality of second slide blocks 24; the first slide rail 21 is arranged on the upper surface of the mounting base plate 11; the two second slide rails 22 are arranged on the side surface of the mounting base plate 11, and the two second slide rails 22 are arranged on the same side surface of the mounting base plate 11; the first slider 23 and the second slider 24 are respectively disposed on the first slide rail 21 and the second slide rail 22, and the first slider 23 and the second slider 24 can respectively slide along the first slide rail 21 and the second slide rail 22.

The single moving assembly 3 comprises a moving block 31 and a guide 32; the moving block 31 is arranged on the first slider 23 and the second slider 24 at the same time, and the first slider 23 and the second slider 24 arranged on the moving block 31 of two adjacent sets of the moving assemblies 3 are not on the same first slide rail 21 and the same second slide rail 22; one end of the guide piece 32 is arranged on the moving block 31, and the other end of the guide piece is inserted into the cam groove 121 to be matched with the cam groove 121, so that the driving motor 13 drives the rotating screw 12 to rotate, and the guide piece 32 is pushed by the cam groove 121 to drive the moving assembly 3 to move;

it can be understood that the first slide rail 21, the second slide rail 22 and the first slide block 23 and the second slide block 24 cooperating therewith in the present embodiment may all be made of a mature product in the prior art, as shown in fig. 5, a schematic view of the cooperation of the first slide rail 21 and the first slide block 23 provided for the present embodiment is provided, the present embodiment is illustrated by the cooperation of the first slide rail 21 and the first slide block 23 alone, it can be understood that the first slide rail 21 and the first slide block 23 are disposed on the mounting base plate 11, the cooperation of the second slide rail 22 and the second slide block 24 is similar, and therefore, the description will not be further expanded, and the remaining simple cases will not be further described herein. Meanwhile, as shown in fig. 1 and fig. 3, 4 first slide rails 21 are provided in the present embodiment to further enhance the sliding stability, and a person skilled in the art can set the number of the first slide rails 21 according to actual needs, and no more description is made herein, and as shown in fig. 1, 2 second slide rails 22 are further provided in the present embodiment, and the 2 second slide rails 22 are all provided on the same side surface of the installation base plate 11, wherein two first slide rails 21 in the middle and one second slide rail 22 near the lower end of the installation base plate 11 form a set of installation structure, two first slide rails 21 on two sides and one second slide rail 22 near the upper end of the installation base plate 11 form another set of installation structure, and the moving assemblies 3 are respectively and sequentially arranged on the two sets of installation structures in a crossing manner, so that the slide rails for installing and fixing adjacent moving assemblies 3 are different, stress concentration is avoided, the structure is more reasonable, and can be used under a large load.

It can be understood that, as for the processing of the cam groove 121, it is sufficient to adopt a technique mature in the prior art, for example, a turning and milling process, and it can be said that, as for the size of the cam groove 121, etc., it is sufficient to design in a coordinated manner the size of the portion where the guide 32 is in contact with and is in fit with it, and the fit relationship between the cam groove 121 and the guide 32 can refer to a common cam and fit with the cam groove 121, and the cam groove 121 is actually designed only to be a deformation of a spiral curve of a common guide rail, and will not be further described herein.

It is understood that in the present embodiment, a general shaft member is adopted as the guide member 32, but in order to reduce the friction force and improve the service life of the device, it is preferable to use a cam follower as the guide member 32, the cam follower is a conventional mature component, the structure and principle of which can be selected and understood with reference to the prior art, and will not be further described herein.

It can be understood that, in this embodiment, the upper surface and the side surface of the installation bottom plate 11 are not generally on the same plane, so that the overall relative sliding structure formed by combining the first slide rail 21, the second slide rail 22 and the moving block 31 forms a multi-plane fixation, which is more stable and more reasonable in stress condition compared with a single plane sliding.

It is understood that, in the above preferred embodiment, there are many kinds of matching between the first slide rail 21 and the second slide rail 22, such as two spaced first slide rails 21 combined with one second slide rail 22, and further forms will not be further described herein, and those skilled in the art can also adjust the matching according to the number of the first slide rails 21 and the second slide rails 22.

In this embodiment, as shown in fig. 4, the guide 32 is adjustably disposed on the moving block 31, a mounting hole 33 is disposed on the moving block 31, the guide 32 is disposed at the mounting hole 33, the mounting hole 33 and the guide 32 are in threaded engagement, and the guide 32 can be rotatably moved along the mounting hole 33 to be inserted into or separated from the cam groove 121. By arranging the guide members 32 in an adjustable manner, when some moving assemblies 3 are not required to move, the corresponding guide members 32 can be separated from the corresponding cam grooves 121, so that idle running is reduced; simultaneously, under every removal subassembly 3 all can adjust the condition, can change the cam groove 121 that removal subassembly 3 corresponds in proper order to the removal subassembly 3 that will not use separate move to both ends idle can, can greatly improve removal subassembly 3's use flexibility ratio, solve among the prior art displacement slip table equipment can't adjust and lead to the idle running to remove the problem that has unnecessary energy consumption. For example, when the moving component 3 corresponding to the cam groove 121 near the middle of the rotating screw 12 is not needed, all the moving components 3 on the side corresponding to the rotating screw 12 may be sequentially separated from the cam groove 121, and then one cam groove 121 may be sequentially moved outward, so that the moving component 3 near the middle of the rotating screw 12 may be moved to an outward side by one position, and the outermost moving component 3 may be left empty without reciprocating movement.

It can be understood that the mounting hole 33 is a threaded hole, the matching position of the guide 32 and the mounting hole 33 is a threaded matching, the guide 32 preferably uses a cam follower, the cam follower in the prior art usually also has a matching threaded position, and as shown in fig. 4, the stud 321 and the cam follower 322 are welded together to form the whole guide 32 according to actual needs, the structure of the guide 32 in the embodiment can be used as a reference, and in order to facilitate screwing the stud 321, a straight groove or a cross groove can be formed at the upper end of the stud 321, and screwing adjustment can be performed by using a screwdriver, and further details are not further described herein.

In addition, in this embodiment, a rear cover 17 is further disposed at the rear end of the driving assembly 1, and a position sensor may be disposed on the rear cover 17 and the like according to actual needs, so as to facilitate the control of the rotation position of the rotary screw 12, and more details may be set according to actual needs, which will not be further described herein.

In this embodiment, the helical cam grooves 121 of the rotary screw 12 are arranged in a uniform pitch or a non-uniform pitch.

It will be understood that in the case of a helical with equal pitch, the relative distance between several moving assemblies 3 is not changed, which is equivalent to the translation of all moving assemblies 33, and this situation is easy to understand and will not be described and illustrated herein. As shown in fig. 2, in the present embodiment, it is preferable to use a non-uniform pitch spiral, and the pitch is gradually increased from the middle of the rotating screw 12 to both ends, so that the moving components 3 with a larger distance are enabled, the effective stroke is ensured, and the distance between the moving components 3 is effectively changed, which can facilitate the arrangement of the space for placing the articles to be grabbed.

Further, the spiral direction of the cam groove 121 spirally formed in the rotary screw 12 is a unidirectional spiral or a bidirectional spiral.

It is understood that, as shown in fig. 2, the present embodiment is described by taking the spiral direction of the cam groove 121 on the rotary screw 12 as a bidirectional spiral, and the two ends of the rotary screw 12 are sequentially and symmetrically provided with the cam grooves 121 with opposite spiral directions. By providing the bidirectional cam groove 121, the moving components 3 are relatively moved toward the middle or away from the middle, and if the unidirectional cam groove 121 is provided, the moving components are uniformly moved toward or away from one end, and those skilled in the art can select whether to provide unidirectional or bidirectional movement according to actual conditions, and the embodiment is described by taking bidirectional movement as an example.

The utility model provides a novel heavy load screw rod multiseriate displacement slip table is when using, set up tongs or other haulage equipment on movable block 31, it makes tongs or other haulage equipment can carry out the round trip movement and snatch the material or do other actions to move through movable block 31, it rotates to drive rotation screw 12 through driving motor 13 during the action specifically, promote guide 32 through cam groove 121 when rotating screw 12 pivoted, guide 32 drives movable block 31 and removes along first slide rail 21 and second slide rail 22, realization reciprocating motion that can rapid and stable. Meanwhile, if it is necessary to reduce the number of the moving units 3 to be operated, the guide 32 is separated from the cam groove 121 by adjusting the guide 32, and then the moving units 3 are moved to be adjusted.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses a set up 16 supports of axle sleeve and rotate screw rod 12, can effectually protect rotating screw rod 12, avoid rotating screw rod 12 and take place to warp, make the atress more reasonable, provide the guarantee for the operation of heavy load, heavy load.

2. The utility model discloses a setting sets up first slide rail 21 and second slide rail 22 at the upper surface and the side of mounting plate 11, and will remove subassembly 3 and set up simultaneously on first slide rail 21 and second slide rail 22, thereby make holistic moving structure bear the loading force that produces when removing from two support directions, and the first slide rail 21 of correspondence and the second slide rail 22 homodifference that adjacent two sets of moving assembly 3 set up, thereby make adjacent moving assembly 3 be unlikely to concentrate to the load stress dispersion of slide rail, can strengthen the rationality of whole atress, increase the quantity and the position of having adjusted second slide rail 22, improve overall structure's intensity, for the heavy load, the operation of heavy load provides the guarantee.

The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application, to thereby enable others skilled in the art to make and utilize various exemplary embodiments of the invention and various alternatives and modifications. It is intended that the scope of the invention be defined by the claims and their equivalents.

Claims (7)

1. The utility model provides a novel multiseriate displacement slip table of heavy load screw rod which characterized in that includes: the sliding rail device comprises a driving assembly, a sliding rail assembly and a plurality of moving assemblies, wherein the moving assemblies are connected to the sliding rail assembly in a sliding mode, and the sliding rail assembly is installed on the driving assembly;

the driving assembly comprises a mounting bottom plate, a rotating screw and a driving motor; the rotating screw rod is rotatably arranged on the mounting base plate, and a plurality of cam grooves are spirally arranged on the rotating screw rod; a rotating output shaft of the driving motor is connected with the rotating screw;

still include at least one and be used for supporting rotate the axle sleeve of screw rod main shaft, rotate the screw rod main shaft with the axle sleeve is coaxial to be set up, the axle sleeve is fixed to be set up in the mounting groove, mounting groove fixed connection is in on the mounting plate, the mounting plate both ends are provided with support piece, it is in to rotate the rotatable setting in screw rod both ends support piece is last.

2. The novel heavy-duty screw multi-row variable pitch slipway of claim 1, wherein the slide rail assembly is arranged on the mounting base plate, and comprises at least two first slide rails, at least two second slide rails, a plurality of first slide blocks and a plurality of second slide blocks; the first sliding rail is arranged on the upper surface of the mounting bottom plate; the two second slide rails are arranged on the same side surface of the mounting bottom plate; the first sliding block and the second sliding block are respectively arranged on the first sliding rail and the second sliding rail, and the first sliding block and the second sliding block can respectively slide along the first sliding rail and the second sliding rail.

3. The novel multi-row variable pitch slide of heavy-duty screws as claimed in claim 2, wherein a single moving assembly comprises a moving block and a guide; the moving blocks are arranged on the first sliding block and the second sliding block at the same time, and the first sliding block and the second sliding block arranged on the moving blocks of two adjacent groups of moving assemblies are not arranged on the same first sliding rail and the same second sliding rail; one end of the guide piece is arranged on the moving block, the other end of the guide piece is inserted into the cam groove to be matched with the cam groove, and the driving motor drives the rotating screw to rotate and pushes the guide piece to drive the moving assembly to move through the cam groove.

4. The novel heavy-duty screw multi-row variable pitch sliding table according to claim 3, wherein the guide piece is adjustably arranged on the moving block, a mounting hole is formed in the moving block, the guide piece is arranged at the mounting hole, the mounting hole is in threaded fit with the guide piece, and the guide piece can be inserted into or separated from the cam groove in a rotating and moving mode along the mounting hole.

5. The novel heavy-duty screw multi-row variable pitch slipway of claim 3, wherein the helical arrangement of each cam slot on the rotating screw is a constant pitch helix or a non-constant pitch helix.

6. The novel heavy-duty screw multi-row variable pitch slipway of claim 3, wherein the spiral direction of the cam groove spirally arranged on the rotating screw is a unidirectional spiral or a bidirectional spiral.

7. The novel heavy-duty screw multi-row variable pitch slipway of claim 6, wherein the spiral direction of the cam groove is a bidirectional spiral, and the two ends of the rotating screw are sequentially and symmetrically provided with cam grooves with opposite spiral directions.

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