CN220179122U - Convenient restraint limiting mechanism - Google Patents

Abstract

The utility model discloses a convenient restraint limiting mechanism which comprises a base, a rear fixing plate, a front fixing plate, a pressing plate, a guide column and a restraint assembly, wherein the rear fixing plate is fixedly arranged on the rear side of the base, the front fixing plate is fixedly arranged on the front side of the base, the pressing plate is arranged between the rear fixing plate and the front fixing plate, the rear fixing plate, the front fixing plate and the pressing plate are arranged in parallel, the guide column is vertically arranged with the rear fixing plate, the front fixing plate and the pressing plate, one end of the guide column is fixedly connected with the rear fixing plate, the other end of the guide column is fixedly connected with the front fixing plate, a guide hole or a guide groove matched with the guide column is formed in the pressing plate, the restraint assembly comprises a pushing assembly and a pushing assembly, the pushing assembly is arranged in the middle of the front fixing plate and the pressing plate, the pushing assembly is provided with two groups, and the two groups of pushing assemblies are respectively arranged at two side parts of the pushing assembly. The convenient restraint limiting mechanism is simple and convenient to operate, can prevent the screw rod from deforming, and prolongs the service life.

Description

Convenient restraint limiting mechanism

Technical Field

The utility model relates to the field of battery core restraint devices, in particular to a convenient restraint limiting mechanism.

Background

The electric core is a core component of the energy storage battery, and in the automatic production process of the electric core, a restraint limiting mechanism is required to be adopted to ensure the size of an electric core product. The prior restraint device generally adopts a screw mechanism to adjust the restraint force on the battery cell.

The patent with the publication number of CN217641448U discloses a manual and automatic integrated compression mechanism, which comprises a pressing plate, wherein at least one push-pull mechanism and at least two pushing mechanisms act on the pressing plate, the push-pull mechanism is arranged in the middle of the pressing plate, and the two pushing mechanisms are arranged on two sides of the push-pull mechanism in parallel; the push-pull mechanism comprises a first screw rod, a first nut and a bearing, one end of the first screw rod is rotatably connected with the pressing plate through the bearing, the first nut is in threaded fit with the first screw rod and fixed relative to a frame of the restraint device, and the other end of the first screw rod is used as a power input end for being connected with a motor or manually operated; the pushing mechanism comprises a second lead screw and a second nut, one end of the second lead screw is provided with a convex spherical surface, a concave spherical surface matched with the second lead screw is correspondingly arranged on the pressing plate, and the second lead screw is matched with the concave spherical surface on the pressing plate through a surface formed by the convex spherical surface; the second nut is in threaded fit with the second screw rod and fixed relative to the frame of the restraining device, and the other end of the second screw rod is used as a power input end for being connected with a motor or manually operated. The disadvantage of this solution is that the three sets of screws of the push-pull mechanism and the pushing mechanism need to move synchronously to realize the compression stroke, and if the two sets of pushing mechanisms cannot be completely synchronized, for example, the two sets of pushing mechanisms are released first, and then the push-pull mechanism is operated, the pressure is concentrated on the push-pull mechanism in the middle, so that the screws of the push-pull mechanism are stressed too much and are easy to bend and deform. When the manual operation is adopted, the complete synchronization of the three groups of screw rods is difficult to realize, and when the screw rods are compressed or loosened, the screw rods are easy to bend and deform, so that the service life of the screw rods is influenced.

Disclosure of Invention

The utility model aims to provide a convenient restraint limiting mechanism, which aims at solving the problems that the prior restraint limiting device in the background art is inconvenient to operate during manual operation and a screw rod is easy to deform.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a convenient stop gear that restraines, includes base, back fixed plate, preceding fixed plate, clamp plate, guide post and restraint subassembly, the fixed one side that sets up at the base of back fixed plate, preceding fixed plate sets up on the base to be located one side of keeping away from the back fixed plate, the clamp plate sets up between back fixed plate and preceding fixed plate, back fixed plate, preceding fixed plate and clamp plate looks parallel arrangement, guide post and back fixed plate, preceding fixed plate and clamp plate set up perpendicularly, and guide post one end and back fixed plate fixed connection, the other end and the preceding fixed plate fixed connection of guide post are equipped with on the clamp plate with guide post complex guiding hole or guide way, restraint subassembly includes tight subassembly and push-pull assembly, tight subassembly in top has a set of, tight subassembly in top sets up the middle part position of front fixed plate and clamp plate, push-pull assembly has two sets of push-pull assemblies set up respectively in the both sides portion of tight subassembly in top, tight subassembly in top includes first lead screw, and first anterior segment is equipped with the external screw thread, be equipped with on the front fixed plate and first screw hole on the screw hole and the first lead screw and the second lead screw, the guide post and the guide post complex guide screw assembly just corresponds with the first lead screw assembly and the second lead screw, the axial direction is equipped with the guide screw assembly and the second is just right to the guide screw assembly on the fixed part.

In the above-mentioned scheme, tight subassembly in top still includes nut piece and dog, and the nut piece is fixed on preceding fixed plate, and the screw thread phase-match on the screw thread anterior segment outer wall of nut piece, dog are fixed on the trailing flank of clamp plate with the relative position of first lead screw, are equipped with the constant head tank of sphere on the dog, the rear end of first lead screw is equipped with the spherical surface portion that corresponds with the constant head tank. Through setting up the nut piece, be convenient for adjust first lead screw displacement in the axial through rotating first lead screw, and then increase pressure or reduce pressure to the clamp plate. Through setting up the dog, set up the constant head tank of sphere on the dog, when first lead screw rotates, can play the spacing effect of direction to first lead screw, make the better location of first lead screw and clamp plate. Through setting up nut piece and dog respectively, can select the better material of performance to make nut piece and dog, can ensure the smoothness of the cooperation of second lead screw and nut piece to extension second lead screw and nut piece's life, and can make the constant head tank of dog reduce with the friction of first lead screw, extension dog's life.

In the above-mentioned scheme, the direction subassembly includes guide groove plate, limiting plate and connecting piece, and the guide groove plate has two, and two guide groove plates are parallel to each other fixed connection on the leading flank of clamp plate, are equipped with the guide way on the face that two guide groove plates are relative, and the direction of guide way is parallel with the axial of second lead screw, and the both sides of limiting plate are equipped with guide way complex slider, and the slider setting is in the guide way, the rear end of second lead screw passes through the bearing and is connected with limiting plate normal running fit, connecting piece respectively with limiting plate and clamp plate fixed connection. Through this kind of setting, can make the push-and-pull subassembly have better direction, when the second lead screw rotates, under the effect of bearing, the limiting plate can not rotate, but can carry out axial removal along with the second lead screw along the guide way on the guide groove board, can make the removal precision of second lead screw higher through this kind of setting, can avoid limiting plate and guide groove board card to die moreover, and the guarantee limiting plate can be along with the smooth and easy removal of second lead screw. Through setting up the connecting piece, can get up limiting plate and clamp plate fixed connection, when making second lead screw axial displacement, can exert thrust or pulling force to the clamp plate, make the clamp plate remove thereupon.

In the above-mentioned scheme, the direction subassembly includes guide groove plate, limiting plate and connecting piece, and the guide groove plate has two, and two guide groove plates are parallel to each other fixed connection on the trailing flank of preceding fixed plate, are equipped with the guide way on the face that two guide groove plates are relative, and the direction of guide way is parallel with the axial of second lead screw, and the both sides of limiting plate are equipped with guide way complex slider, and the slider setting is in the guide way, the rear end of second lead screw passes through the bearing and is connected with limiting plate normal running fit, connecting piece respectively with limiting plate and clamp plate fixed connection. This solution is similar to the one described above, except that the guide channel plate is attached to the front fixed plate.

In the above scheme, the connecting piece includes connecting plate and spliced pole, connecting plate and spliced pole fixed connection, connecting plate with limiting plate fixed connection, the spliced pole is connected with the pressure sensor who is connected on the clamp plate. Through this kind of setting, the connecting plate of being convenient for is connected with the limiting plate, and the connecting plate can adopt the fixed connection mode commonly used such as bolted connection or welding or riveting with the limiting plate, spliced pole and pressure sensor's centre bore assembly connection, can detect the pressure value that acts on the clamp plate through pressure sensor, can make the pressure that acts on the clamp plate accord with the restraint pressure demand of electric core through the pressure value.

In the above scheme, the guide post has two at least groups, and two sets of guide posts set up respectively in the left side and the right side of front fixed plate, clamp plate and back fixed plate. By this arrangement, the platen can be moved in the axial direction of each screw, and the movement accuracy can be improved.

In the above scheme, be equipped with the through-hole on the front fixed plate in the position that corresponds with the direction subassembly, be equipped with forward convex front bezel at the front side of through-hole, front bezel passes through the connecting strip and front fixed plate fixed connection of lateral part, and the middle part of front bezel is equipped with the nut piece, and the screw hole at nut piece middle part matches with the external screw thread of second lead screw anterior segment, nut piece and front bezel fixed connection. Through the arrangement, limit protection can be formed on the front section of the second screw rod, and bending deformation of the front section of the screw rod is prevented.

The utility model has the positive effects that: 1) The convenient restraint limiting mechanism can operate the push-pull assembly firstly when the pressurization operation is carried out, and independently operate the propping assembly after the operation of the push-pull assembly is finished, so that the pressurization of the battery cell is realized, and when the pressurization of the battery cell is to be released, the propping assembly can be operated firstly, so that the propping assembly releases the pressure of the pressing plate, and then the push-pull assembly is operated, so that the push-pull assembly releases the pressure of the pressing plate, and in this way, the pressurization and the release operation do not need to be carried out synchronously, so that the operation difficulty can be reduced, and the operation is more convenient; 2) According to the convenient restraint limiting mechanism, the pressure of the battery core to the pressing plate can be distributed on the two push-pull assemblies no matter in the pressurizing process or the loosening process, and compared with the prior art, the bending deformation of a lead screw of the push-pull assemblies can be avoided, and the service life is prolonged; 3) According to the convenient restraint limiting mechanism, the push-pull assembly is provided with the guide assembly, and the guide assembly is used for ensuring that the screw rod moves along the linear direction, so that the pressure of the screw rod is vertically applied to the pressing plate, and the energy efficiency is improved; 4) According to the convenient restraint limiting mechanism, the positioning groove matched with the end part of the screw rod of the jacking assembly is formed in the pressing plate, so that the screw rod can stretch and retract along the positioning groove, the contact area between the end part of the screw rod and the pressing plate is increased, and bending deformation of the screw rod is prevented.

Drawings

Fig. 1 is a schematic structural view of a convenient restraint limiting mechanism of the present utility model.

Fig. 2 is a schematic cross-sectional view of a push-pull assembly of the convenient restraining and limiting mechanism of the present utility model.

Fig. 3 is a schematic structural view of the push-pull assembly.

Fig. 4 is a schematic cross-sectional view of the tightening mechanism of the convenient restraining and limiting mechanism of the present utility model.

The reference numerals in the figures are: the device comprises a base 1, a rear fixing plate 2, a front fixing plate 3, a pressing plate 4, a guide post 5, a jacking component 6, a first lead screw 61, a threaded hole 62, a positioning groove 63, a nut block 64, a stop block 65, a push-pull component 7, a second lead screw 71, a guide groove plate 72, a limiting plate 73, a sliding block 731, a connecting piece 74, a connecting plate 741, a connecting post 742, a front plate 75, a connecting strip 76, a nut block 77, a pressure sensor 78, a bearing 79, a battery cell 8 and a battery cell limiting block 9.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described by means of examples, and it is obvious that the described examples are only some, but not all, examples of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

A convenient restraint limiting mechanism shown in figures 1-4 comprises a base 1, a rear fixing plate 2, a front fixing plate 3, a pressing plate 4, a guide post 5 and a restraint assembly.

The base 1 is a seat plate for supporting the battery cell, the surface of the base 1 is flat, and the base 1 has required strength. For example, a metal plate or a high-strength plastic plate may be used.

The rear fixing plate 2 is fixedly connected to the rear side of the base, and the rear fixing plate 2 can be integrally formed with the base 1, or can be welded or otherwise fixedly connected.

The front fixing plate 3 is fixedly connected to the front side of the base, and the front fixing plate 3 can be integrally formed with the base 1, or can be welded or otherwise fixedly connected.

In order to simplify the connection of the front and rear fixing plates 3 and 2 with the base 1, the front and rear fixing plates 3 and 2 are respectively disposed perpendicularly to the base 1.

The front and back both ends of guide post 5 respectively with back fixed plate 2 and preceding fixed plate 3 fixed connection, and guide post 5 and base 1 parallel arrangement, and all set up perpendicularly with preceding fixed plate 3 and back fixed plate 2, the quantity of guide post 5 can set up as required, usually needs two guide posts 5 at least, in the embodiment of figure 1, 6 guide posts 5 that are parallel to each other have been used, two guide posts 5 have been set up respectively in the left side, middle part and right side position of preceding fixed plate 3 and back fixed plate 2, the up end that one guide post 5 was close to preceding fixed plate 3 and back fixed plate 2 sets up, another guide post 5 sets up the middle part position at preceding fixed plate 3 and back fixed plate 2.

The clamp plate 4 is the dull and stereotyped that has certain intensity, and clamp plate 4 and base 1 set up perpendicularly, and be equipped with the guiding hole that corresponds with each guide post 5 on the clamp plate 4, guide post 5 all passes from the guiding hole in. The guide of the pressing plate 4 is realized through the guide column 5, so that the pressing plate 4 is kept vertical to the base 1 and moves along the direction of the guide column 5 under the action of the restraint assembly.

The restraint assembly comprises a jacking assembly 6 and a push-pull assembly 7, wherein the jacking assembly 6 is provided with a group, the jacking assembly 6 is arranged at the middle positions of the front fixing plate 3 and the pressing plate 4, the push-pull assembly 7 is provided with two groups, and the two groups of push-pull assemblies 7 are respectively arranged at two side parts of the jacking assembly 6.

As shown in fig. 4, the tightening assembly 6 includes a first screw 61, an external screw is provided at a front section of the first screw 61, a screw hole 62 matching the external screw on the first screw 61 is provided on the front fixing plate 3, and a positioning groove 63 corresponding to the first screw 61 is provided on a portion of the platen 4 facing the first screw 61.

The jacking component 6 may further include a nut block 64 and a stop block 65, the nut block 64 is fixed on the front fixing plate 3, a threaded hole of the nut block 64 is matched with a thread on the outer wall of the front section of the first screw rod 61, the stop block 65 is fixed on the rear side surface of the pressing plate 4 at a position opposite to the first screw rod 61, a spherical positioning groove is formed in the stop block 65, and a spherical portion corresponding to the positioning groove 63 is formed in the rear end of the first screw rod 61. By providing the nut block 64, it is convenient to adjust the displacement of the first screw 61 in the axial direction by rotating the first screw 61, thereby increasing or decreasing the pressure to the platen 4. By arranging the stop block 65, a spherical positioning groove is arranged on the stop block 65, and when the first lead screw 61 rotates, the first lead screw 61 can be guided and limited, so that the first lead screw 61 and the pressing plate 4 can be positioned better. By arranging the nut block 64 and the stop block 65 respectively, the nut block 64 and the stop block 65 can be made of materials with better performance, so that the smoothness of the matching of the first screw rod 61 and the nut block 64 can be ensured, the service lives of the first screw rod 61 and the nut block 64 can be prolonged, the friction between the positioning groove 63 of the stop block 65 and the first screw rod 61 can be reduced, and the service life of the stop block 65 can be prolonged.

As shown in fig. 2 and 3, the push-pull assembly 7 comprises a second screw rod 71 and a guide assembly, a threaded hole matched with the second screw rod 71 is formed in the front fixing plate 3, the rear end of the second screw rod 71 is in running fit with the guide assembly, the rear end of the guide assembly is fixedly connected with the pressing plate 4, and the axial direction of the second screw rod 71 is perpendicular to the front fixing plate 3 and the pressing plate 4.

The guide assembly comprises two guide groove plates 72, limiting plates 73 and connecting pieces 74, wherein the two guide groove plates 72 are parallel to each other, the guide groove plates 72 can be fixedly connected to the front side surface of the pressing plate 4 or the rear side surface of the front fixing plate 3, guide grooves are formed in the opposite surfaces of the two guide groove plates 72, the direction of each guide groove is parallel to the axial direction of the second screw rod 71, sliding blocks 731 matched with the guide grooves are arranged on the two sides of the limiting plates 73, the sliding blocks 731 are arranged in the guide grooves, the rear ends of the second screw rods 71 are connected with the limiting plates 73 in a rotating fit manner through bearings 79, and the connecting pieces 74 are fixedly connected with the limiting plates 73 and the pressing plate 4 respectively. Through this kind of setting, can make push-and-pull subassembly 7 have better direction, when second lead screw 71 rotates, under the effect of bearing 79, limiting plate 73 can not rotate, but can carry out axial removal along with second lead screw 71 along the guide way on the guide groove plate 72, can make the removal precision of second lead screw 71 higher through this kind of setting, can avoid limiting plate 73 and guide groove plate card to die moreover, ensure limiting plate 73 can move smoothly along with second lead screw 71. By providing the connecting member 74, the limiting plate 73 and the pressing plate 4 can be fixedly connected, and when the second screw 71 moves axially, a pushing force or a pulling force can be applied to the pressing plate 4, so that the pressing plate 4 moves accordingly.

The connecting piece 74 comprises a connecting plate 741 and a connecting column 742, the connecting plate 741 is fixedly connected with the limiting plate 73, and the connecting column 742 is fixedly connected with the pressure sensor 78 connected to the pressure plate 4. Through this kind of setting, be convenient for the connection of connecting plate 741 with limiting plate 73, the connecting plate 741 can adopt the fixed connection mode commonly used such as bolted connection or welding or riveting with the connecting plate 73, spliced pole 742 and the centre bore assembly connection of pressure sensor 78, through this kind of connection, clamp plate 4 can carry out axial displacement along with second lead screw 71 to can detect the pressure value that spliced pole 742 acted on pressure sensor 78 through pressure sensor 78, and then can obtain the pressure that clamp plate 4 acted on electric core 8, make the pressure value that acts on electric core 8 adjust to required pressure value.

The position on the front fixed plate 3 corresponding to the guide component is provided with a through hole, the front side of the through hole is provided with a front plate 75 protruding forwards, the front plate 75 is fixedly connected with the front fixed plate 3 through a connecting strip 76 at the side part, the middle part of the front plate 75 is provided with a nut block 77, a threaded hole in the middle part of the nut block 77 is matched with the external thread of the front section of the second screw rod 71, and the nut block 77 is fixedly connected with the front plate 75. With this arrangement, the front section of the second screw 71 can be protected from bending deformation by the limit protection.

When the convenient limiting mechanism is used, the battery core is placed on the battery core limiting block, the battery core limiting block is orderly stacked in the area between the rear fixing plate and the pressing plate on the base, the structure of the battery core limiting block is omitted, after stacking is completed, the movable extrusion space relative to the battery core still exists in the battery core limiting block, the second screw rod of the push-pull assembly can be rotated through an electric driving device or a manual operation piece such as a spanner, the second screw rod can move along the axial direction of the screw rod under the action of a nut block on the front fixing plate, the second screw rod is required to move along the direction of the battery core during pressurization, the pressing plate is pushed to apply pressure to the battery core, pressurization operation on the battery core is realized, after operation of the push-pull assembly is completed, the first screw rod of the push-pull assembly is operated, the end part of the first screw rod is pushed against the bottom of the limiting groove on the pressing plate, and the push-pull assembly is pushed tightly. When the pressure to the battery cell needs to be relieved, the first lead screw of the jacking assembly is rotated firstly, so that the end part of the first four bars is far away from the pressing plate, then the second lead screw of the push-pull assembly is operated, the second lead screw is rotated, so that the pressing plate moves in the direction far away from the battery cell, and the pressure to the battery cell is relieved.

The convenient restraint limiting mechanism is simple and convenient to operate, the pushing component and the pushing component do not need to be operated at the same time, the bending deformation of the first screw rod and the second screw rod can be prevented, the service life is prolonged, the guiding component is arranged in the pushing component, the second screw rod can be ensured to move along the direction perpendicular to the pressing plate, the energy consumption is reduced, and the operation is more labor-saving.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. Convenient restraint stop gear, its characterized in that: including base, back fixed plate, preceding fixed plate, clamp plate, guide post and restraint subassembly, the fixed setting of back fixed plate is in one side of base, and the preceding fixed plate sets up on the base to be located one side of keeping away from the back fixed plate, the clamp plate sets up between back fixed plate and preceding fixed plate, back fixed plate, preceding fixed plate and clamp plate parallel arrangement, guide post and back fixed plate, preceding fixed plate and clamp plate set up perpendicularly, and guide post one end and back fixed plate fixed connection, the other end and the preceding fixed plate fixed connection of guide post are equipped with guide post complex guiding hole or guide way on the clamp plate, restraint subassembly includes tight subassembly in top and push-pull assembly, tight subassembly in top sets up the middle part position of front fixed plate and clamp plate, push-pull assembly has two sets of push-pull assembly set up respectively in tight subassembly's both sides portion in top, and tight subassembly in top is including first lead screw, and the anterior segment of first lead screw is equipped with the external screw thread, is equipped with the screw hole that matches on the front fixed plate with first lead screw, is equipped with the guide post and the guide post complex guiding hole or guide post, the guide post and the guide post is equipped with on the clamp plate and the axial direction is just equipped with the second lead screw assembly and the guide screw assembly.

2. The portable restraint limiting mechanism of claim 1, wherein: the jacking assembly further comprises a nut block and a stop block, the nut block is fixed on the front fixing plate, a threaded hole of the nut block is matched with threads on the outer wall of the front section of the first screw, the stop block is fixed on the rear side face of the pressing plate and is opposite to the first screw, a spherical positioning groove is formed in the stop block, and a spherical portion corresponding to the positioning groove is formed in the rear end of the first screw.

3. The portable restraint limiting mechanism of claim 1, wherein: the guide assembly comprises two guide groove plates, two limiting plates and a connecting piece, wherein the two guide groove plates are fixedly connected to the front side face of the pressing plate in parallel, guide grooves are formed in the faces, opposite to the two guide groove plates, of the two guide groove plates, the direction of each guide groove is parallel to the axial direction of the second screw rod, sliding blocks matched with the guide grooves are arranged on two sides of the limiting plates, the sliding blocks are arranged in the guide grooves, the rear end of the second screw rod is connected with the limiting plates in a rotating fit mode through bearings, and the connecting piece is fixedly connected with the limiting plates and the pressing plate respectively.

4. The portable restraint limiting mechanism of claim 1, wherein: the guide assembly comprises two guide groove plates, two limiting plates and connecting pieces, wherein the two guide groove plates are fixedly connected to the rear side face of the front fixing plate in parallel, guide grooves are formed in the faces, opposite to the two guide groove plates, of the two guide groove plates, the direction of each guide groove is parallel to the axial direction of the second screw rod, sliding blocks matched with the guide grooves are arranged on the two sides of the limiting plates, the sliding blocks are arranged in the guide grooves, the rear ends of the second screw rods are connected with the limiting plates in a rotating fit mode through bearings, and the connecting pieces are fixedly connected with the limiting plates and the pressing plates respectively.

5. The portable restraint mechanism of claim 3 or 4, wherein: the connecting piece comprises a connecting plate and a connecting column, wherein the connecting plate is fixedly connected with the connecting column, the connecting plate is fixedly connected with the limiting plate, and the connecting column is connected with a pressure sensor connected with the pressing plate.

6. The portable restraint limiting mechanism of claim 1, wherein: the guide posts are at least two groups, and the two groups of guide posts are respectively arranged on the left side part and the right side part of the front fixing plate, the pressing plate and the rear fixing plate.

7. The portable restraint limiting mechanism of claim 1, wherein: the front fixing plate is provided with a through hole at a position corresponding to the guide assembly, a front plate protruding forwards is arranged at the front side of the through hole, the front plate is fixedly connected with the front fixing plate through a connecting strip at the side part, a nut block is arranged in the middle of the front plate, a threaded hole in the middle of the nut block is matched with an external thread of the front section of the second screw rod, and the nut block is fixedly connected with the front plate.