CN212669072U

CN212669072U - Stacker for prefabricated concrete member bench formwork

Info

Publication number: CN212669072U
Application number: CN202021146432.0U
Authority: CN
Inventors: 杨松; 苏瑜; 仇晨光; 金树理
Original assignee: Nanjing Pingda Green Building Materials Technology Co ltd
Current assignee: Nanjing Pingda Green Building Materials Technology Co ltd
Priority date: 2020-06-18
Filing date: 2020-06-18
Publication date: 2021-03-09
Anticipated expiration: 2030-06-18

Abstract

The utility model discloses a stacker for an assembled concrete prefabricated member bench formwork, which relates to the technical field of concrete prefabricated member production and aims to solve the technical problem that the bench formwork storage efficiency is low because the bench formwork is easy to rock when a bench formwork storing and taking device in the prior art conveys the bench formwork, the technical scheme includes that the machine frame comprises a machine frame, a lifting platform and a bench formwork located on the lifting platform, wherein the machine frame comprises a top plate and two rows of upright columns which are oppositely arranged on the lower surface of the top plate in pairs, and further comprises two rows of overlapping blocks which are oppositely arranged in pairs and a plurality of bearing plates which are arranged at equal intervals along the height direction of the upright columns, grooves for accommodating the bearing plates are formed in the side walls of the upright columns and along the height direction of the upright columns, overlapping spaces are formed by enclosing adjacent bearing plates, the overlapping blocks are arranged on the lower surface of the lifting platform in a sliding mode, and driving pieces for driving the overlapping blocks to slide into the overlapping spaces are arranged on; the stacker can stably convey the bench formwork into the curing room, and the storage efficiency is high.

Description

Stacker for prefabricated concrete member bench formwork

Technical Field

The utility model relates to a technical field of concrete prefabricated member production, more specifically say, it relates to an assembled concrete prefabricated member is stacker for bench formwork.

Background

The concrete can be normally solidified under certain temperature and humidity environment, otherwise, the phenomena of strength reduction, shrinkage cracks, peeling, sanding and the like easily occur, and the quality of the concrete is seriously influenced, so that the concrete prefabricated member after being poured needs to be insulated and maintained in the production process of the concrete prefabricated member. At present, the prefabricated parts are generally sent into a curing box for curing by a bench formwork stacker.

The existing Chinese patent with the publication number of CN203680507U discloses a table die storing and taking device, which comprises a frame, wherein a lifting platform and a lifting device for driving the lifting platform to lift are arranged on the frame; the lifting platform is provided with a push-pull access device used for pushing the bench formwork out of the lifting platform and pulling the bench formwork into the lifting platform, the lifting platform is provided with a roller for supporting the bench formwork to slide on and a driving roller for driving the bench formwork to slide, and the driving roller is provided with a first driving device for driving the driving roller to rotate; this bench formwork access arrangement can deposit the curing chamber in and take out in the curing chamber from the concrete prefab automatically, and production efficiency is high.

However, the above technical solutions have the following disadvantages: the stacker can lift the lifting platform to a proper height by winding the pull rope, and then drive the bench formwork to move on the lifting platform by using the push-pull storing and taking device so as to convey the bench formwork into a curing chamber; because during actual production, bench formwork and concrete prefabricated part have certain weight, because stay cord itself has certain flexibility, only fix a position lift platform through the stay cord, lead to the bench formwork to produce at the removal in-process easily and rock, and then cause lift platform atress inhomogeneous and take place the slope, and then influenced the stability of the process of depositing to the bench formwork, reduced and deposited efficiency.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an assembled stacker for precast concrete prefab bench formwork can be stable carry the bench formwork to the maintenance room in, has improved and has deposited efficiency.

The above object of the present invention can be achieved by the following technical solutions:

the utility model provides an assembled precast concrete prefab is bench formwork stacker for mould, includes frame, lift platform and is located the bench formwork on the lift platform, the frame includes roof and two rows of two liang of relative stands that set up at the roof lower surface, be equipped with the hoist mechanism that drive lift platform goes up and down on the roof, the last push-pull institution that drives the bench formwork and slide that is equipped with of lift platform still includes two rows of two liang of relative take place the piece and along a plurality of bearing plates of the equidistance range of direction of height of stand, the lateral wall of stand just is equipped with the recess that is used for holding the bearing plate along its direction of height, and is adjacent it takes the space to close formation between the bearing plate, it slides and sets up the lower surface at lift platform to take the piece to put the lower surface of piece, lift platform's lower surface is.

By adopting the technical scheme, firstly, the lifting platform is lifted to a proper height by utilizing the lifting mechanism, so that the bench formwork is aligned to a proper position in the maintenance box; secondly utilize the driving piece for take and put the piece and slide to taking and put in the space, then utilize hoist mechanism to make lift platform move down, make and take and put the piece overlap joint at the upper surface of bearing board, and then realized the stable support to lift platform, so that stably carry the bench formwork to the maintenance box in, improved and deposited efficiency.

Further, the driving piece is an air cylinder arranged on the lower surface of the lifting platform, and a piston rod of the air cylinder is connected with the side wall of the placing block.

Through adopting above-mentioned technical scheme, after lift platform removed suitable height, utilize the cylinder drive to take and put the piece and remove to taking and put the space in, recycle hoist mechanism makes lift platform move down to make and take and put the piece overlap joint on the bearing board, and then realized the stable support to lift platform, improved the stability of bench formwork process of sliding.

Further, the bearing plate is welded and fixed on the groove wall of the groove.

Through adopting above-mentioned technical scheme, bearing plate welded fastening can stabilize the bearing to putting the piece to the cell wall of recess to lift platform can stably put on bearing plate.

Further, be equipped with the cavity in the stand, the equidistance range is equipped with a plurality of regulating blocks in the cavity and along the direction of height of stand, the lateral wall of bearing board is equipped with the regulation pole, the recess is equipped with the opening rather than the cell wall that the notch is relative, the one end of keeping away from the bearing board of regulation pole passes the opening and links to each other with the regulating block, be equipped with the retaining member that is used for fixed regulating block in the cavity.

Through adopting above-mentioned technical scheme, personnel adjust the bearing board and slide in the recess, drive the regulating block through adjusting the pole simultaneously and slide in step, after the bearing board is adjusted and is slided to suitable position, utilize the retaining member to fix the regulating block, and then realized the location to the bearing board to in sending into the maintenance box with the bench formwork stability, improved the efficiency of depositing to the bench formwork.

Further, the retaining member is including setting up the sawtooth rack at regulating block both sides wall respectively and sliding the sawtooth board that sets up in the cavity and be located the regulating block both sides, two the direction of height syntropy of sawtooth board and stand, be equipped with the regulating part that two sawtooth boards of drive slided to the sawtooth rack direction in the cavity, sawtooth rack and sawtooth board mesh mutually, one of them the lateral wall of sawtooth board just is equipped with the mouth that slides that supplies branch to pass along its direction of height.

Through adopting above-mentioned technical scheme, the setting of the mouth that slides, when being convenient for personnel slided the bearing board, drive the regulating block and slide in step, after the bearing board slides to suitable position, utilize regulating part drive serration plate to slide to the sawtooth rack direction for serration plate and sawtooth rack meshing, and then realized fixed to the locking of a plurality of regulating blocks, avoid the regulating block to slide from top to bottom, improved the stability of bearing board, so that stabilize the bearing to lift platform.

Further, the regulating part includes two nuts that rotate relatively and set up on the stand outer wall and with nut threaded connection's screw rod, the outer wall of stand is equipped with the logical groove that is linked together with the cavity, the one end of screw rod is passed logical groove and is linked to each other with one of them serration plate, the cell wall that leads to the groove is equipped with the stopper, the outer wall of screw rod just is equipped with the spacing groove that supplies the stopper to slide along its axial, two be equipped with reverse linkage piece between the relative lateral wall of serration plate, two serration plates of reverse linkage piece drive are close to each other in step or keep away from each other in step.

By adopting the technical scheme, the nut is rotated, and the limiting groove plays a limiting and guiding role in the sliding of the limiting block, so that the screw rod is driven to slide in the through groove, and one of the sawtooth plates can reversely slide towards the sawtooth strips; then, the other sawtooth plate slides towards the direction of the adjusting block by utilizing the reverse linkage piece, and finally, the two sawtooth plates can be respectively meshed with the two sawtooth strips, so that the locking and fixing of the adjusting block are finally realized.

Further, reverse linkage spare includes the spring, sets up pivot, two crisscross branch that sets up of roof in the cavity and respectively with the first piece, the second of propping up of the both ends articulated of two branches, two the middle part lateral wall of branch all is equipped with the through-hole that supplies the pivot to pass, two branch rotates to be connected, two serration plate's relative lateral wall all is equipped with a groove, the length direction of a groove is perpendicular with the axial of stand, first piece and second prop up a piece and slide in a groove, the both ends of spring are connected with the relative lateral wall of first piece and second piece respectively.

By adopting the technical scheme, when one of the sawtooth plates is close to the adjusting block, the included angle between the two support rods is gradually increased, the first support block and the second support block are far away from each other in the support groove, the spring is opened at the moment, the other sawtooth plate is driven to be close to the adjusting block, and finally the sawtooth plates and the sawtooth strips can be meshed, so that the locking and fixing of the adjusting block are realized, and the bearing plate can stably support the lifting platform; otherwise, the same principle is applied.

Furthermore, the upper surface of the supporting plate is provided with a rubber shock pad.

Through adopting above-mentioned technical scheme, the setting of rubber shock pad has strengthened the bearing board and has taken the inseparable degree of laminating between the piece lateral wall of putting, and rubber shock pad has the effect of shock attenuation and buffering simultaneously to take putting that the piece can be stable taking put on the bearing board, and then can be to lift platform can the stable stay, thereby improved the stability of bench formwork when sliding on lift platform, improved and deposited efficiency.

To sum up, the utility model discloses following beneficial effect has:

1. after the lifting platform is lifted to a proper height, the placing blocks slide into the placing space by using the driving part, and then the lifting platform moves downwards by using the lifting mechanism, so that the placing blocks are lapped on the upper surface of the bearing plate, and the stable support of the lifting platform is realized, so that the platform die is stably conveyed into the maintenance box, and the storage efficiency is improved;

2. personnel adjust the bearing plate to slide in the groove, meanwhile, the adjusting block is driven to synchronously slide through the adjusting rod, and after the bearing plate is adjusted to slide to a proper position, the adjusting block is fixed by the locking piece, so that the bearing plate is positioned, the table die can be stably conveyed into the curing box, and the storage efficiency of the table die is improved;

3. set up rubber shock pad, strengthened the bearing board and taken the inseparable degree of laminating between the piece lateral wall, rubber shock pad has the effect of shock attenuation and buffering simultaneously to take and put the piece can be stable take put on bearing board, and then can be to lift platform stable support, thereby improved the stability of bench formwork when sliding on lift platform, improved and deposited efficiency and utilized.

Drawings

Fig. 1 is a schematic overall structure diagram of the first embodiment.

Fig. 2 is a schematic sectional view showing the driving member.

Fig. 3 is a partial structural schematic diagram of the second embodiment.

FIG. 4 is a schematic sectional view of a pillar according to a second embodiment.

Fig. 5 is an enlarged schematic view of a portion a in fig. 4.

Fig. 6 is an enlarged schematic view of a portion B in fig. 4.

Fig. 7 is a schematic structural diagram showing a positional relationship among the first fulcrum, the second fulcrum, and the spring.

In the figure: 1. a frame; 101. a top plate; 102. a column; 2. a lifting platform; 3. a bench formwork; 4. a lifting mechanism; 5. placing blocks; 6. a support plate; 7. a rubber shock pad; 8. a groove; 9. setting up a space; 10. a drive member; 1001. a cylinder; 1002. a slider; 1003. a chute; 11. a cavity; 12. an adjusting block; 13. adjusting a rod; 14. an opening; 15. a locking member; 151. a sawtooth strip; 152. a serrated plate; 16. a sliding port; 17. an adjustment member; 171. a nut; 172. a screw; 173. a through groove; 174. a limiting block; 175. a limiting groove; 18. a reverse linkage; 181. a spring; 182. a rotating shaft; 183. a strut; 184. a first support block; 185. a second branch block; 186. a through hole; 187. and (7) supporting the groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The first embodiment is as follows:

the utility model provides an assembled precast concrete is stacker for platform mould, refer to fig. 1, including frame 1, lift platform 2 and be located lift platform 2 on the platform mould 3, frame 1 includes roof 101 and two rows of two liang of relative settings at the stand 102 of roof 101 lower surface, be equipped with the hoist mechanism 4 that drive lift platform 2 goes up and down on the roof 101, so that remove platform mould 3 to suitable height, make platform mould 3 to the relevant position of maintenance case (not shown in the figure), be equipped with the push-and-pull mechanism (not shown in the figure) that drive platform mould 3 slided on lift platform 2, thereby can send into maintenance incasement with platform mould 3 and carry out the maintenance or take out the platform mould 3 that the maintenance is good.

Referring to fig. 1 and 2, a plurality of grooves 8 are formed in the side walls of the upright posts 102 along the height direction thereof, a plurality of support plates 6 are fixedly welded in the grooves 8 along the height direction thereof, and a lapping space 9 is formed between the opposite side walls of adjacent support plates 6.

For the stability that improves the 3 processes of sliding of platform mould, four corners of lift platform 2's lower surface all slide and be equipped with and take place piece 5, lift platform 2's lower surface is equipped with the drive and takes place 5 cunnings to take place driving piece 10 in space 9, and then remove to suitable high back when platform mould 3, utilize driving piece 10 drive to take place 5 cunnings to take place in space 9, make and take the upper surface of 5 overlap joints of piece at bearing board 6, and then realized the support to lift platform 2, so that the sliding that platform mould 3 can be stable, thereby can carry platform mould 3 to the maintenance room in, the efficiency of depositing is improved.

Referring to fig. 1 and 2, driving piece 10 is the cylinder 1001 installed at lift platform 2 lower surface, the diapire at lift platform 2 is installed to the cylinder body of cylinder 1001, the piston rod of cylinder 1001 with take the lateral wall of putting piece 5 and link to each other, the piston rod of cylinder 1001 and lift platform 2's width direction syntropy, so that lift platform 2 removes to suitable height after, utilize cylinder 1001 drive to take and put piece 5 and remove to taking in space 9, make and take and put 5 overlap joints on bearing board 6, and then realized the stable support to lift platform 2.

The diapire of lift platform 2 and be equipped with spout 1003 along its width direction, the upper surface of putting piece 5 is equipped with the slider 1002 that slides in spout 1003, and the cooperation of spout 1003 and slider 1002 plays spacing and guide effect to putting the sliding of piece 5.

The upper surface of bearing plate 6 is equipped with rubber shock pad 7 and contradicts with putting piece 5, rubber shock pad 7 has the effect of shock attenuation and buffering, so that put piece 5 can be stable take put on bearing plate 6, rubber shock pad 7's setting simultaneously, strengthened bearing plate 6 and put the inseparable degree of laminating between the 5 lateral walls of piece, so that to lift platform 2 outrigger, thereby improved the stability of platform mould 3 when sliding on lift platform 2, improved and deposited efficiency.

The implementation principle of the above embodiment is as follows: firstly, the lifting platform 2 is moved to a proper height by using the lifting mechanism 4, and the bench formwork 3 is aligned to a proper position of the curing box; secondly, starting the air cylinder 1001, extending a piston rod of the air cylinder 1001 to drive the placing block 5 to extend into the placing space 9, driving the lifting platform 2 to move downwards by the lifting mechanism 4, and stably lapping the placing block 5 on the upper surface of the bearing plate 6 by using the rubber shock pad 7 so as to stably support the lifting platform 2; and then the bench formwork 3 is conveyed into a curing box for curing by using a push-pull mechanism.

Example two:

a stacker for prefabricated concrete member bench formwork, referring to fig. 3 and 4, differs from the first embodiment in that: the bearing plate 6 is arranged in the groove 8 in a sliding mode, so that the distance between the adjacent bearing plates 6 of a person is convenient, the bearing plates 6 correspond to the feeding hole of the curing box (not shown in the figure), the table die 3 is aligned to the feeding hole of the curing box, and the storage efficiency of the table die 3 is effectively improved.

Referring to fig. 3 and 4, the groove wall of the groove 8 opposite to the notch thereof is provided with an opening 14, the opening 14 is in the same direction as the height direction of the upright column 102, and the side wall of the support plate 6 is provided with an adjusting rod 13 sliding in the opening 14 so as to slide the support plate 6 to a proper position.

In order to realize the fixation of the bearing plate 6, a cavity 11 communicated with the opening 14 and the groove 8 is arranged in the upright post 102, a plurality of adjusting blocks 12 are uniformly distributed in the cavity 11 along the height direction of the cavity, the adjusting blocks 12 correspond to the adjusting rods 13 one to one, one end, far away from the bearing plate 6, of each adjusting rod 13 penetrates through the opening 14 and is connected with the adjusting blocks 12, a locking piece 15 used for fixing the adjusting blocks 12 is arranged in the cavity 11, the bearing plate 6 can be prevented from moving, and finally the stable bearing of the lifting platform 2 is realized.

Referring to fig. 3 and 4, the locking member 15 includes two sets of serrated bars 151 and serrated plates 152 engaged with each other, the serrated plates 152 are in the same direction as the height direction of the upright post 102, the serrated plates 152 are respectively disposed in the cavity 11 and oppositely disposed along the length direction of the support rod 183, the two serrated plates 152 are respectively located at two sides of the plurality of adjusting blocks 12, the serrated bars 151 are respectively disposed at two side walls of the adjusting blocks 12 facing the serrated plates 152, one of the serrated plates 152 near the opening 14 is provided with a sliding port 16 corresponding to the opening 14, one end of the adjusting rod 13 far away from the support plate 6 sequentially passes through the opening 14 and the sliding port 16 and is connected with the adjusting blocks 12, so that when a person adjusts the support plate 6, the adjusting blocks 12 are driven to slide, after the support plate 6 is slid to a proper position, an adjusting member 17 for driving the two serrated plates 152 to slide towards the serrated bars 151 is disposed in the cavity 11, so that the serrated plates, and then realized fixed to the locking of a plurality of regulating blocks 12, avoided regulating block 12 to slide from top to bottom, improved the stability of bearing board 6 to stable bearing to lift platform 2.

Referring to fig. 4 and 5, the adjusting member 17 includes two nuts 171 relatively rotatably disposed on the outer wall of the upright post 102 and a screw 172 threadedly coupled with the nuts 171, the outer wall of the upright post 102 is provided with a through slot 173 communicating with the cavity 11, one end of the screw 172 passes through the through slot 173 and is connected with one of the serrated plates 152, the slot wall of the through slot 173 is provided with a limit block 174, and the outer wall of the screw 172 is provided with a limit slot 175 along the axial direction thereof for sliding movement of the limit block 174.

During adjustment, the nut 171 is rotated, and the limiting groove 175 plays a limiting and guiding role in sliding the limiting block 174, so that the screw 172 is driven to slide in the through groove 173, and one of the sawtooth plates 152 can slide towards the sawtooth strips 151 in a reverse direction; in order to enable the other sawtooth plate 152 to synchronously slide towards the sawtooth strip 151, a reverse linkage member 18 is arranged between opposite side walls of the two sawtooth plates 152, and when one sawtooth plate 152 is close to or far away from the adjusting block 12, the other sawtooth plate 152 is driven to be close to or far away from the adjusting block 12 by the reverse linkage member 18, so that the sawtooth plate 152 is meshed with the sawtooth strip 151, and finally the adjusting block 12 is locked and fixed.

Referring to fig. 4, 6 and 7, the reverse link 18 includes a spring 181, a rotating shaft 182 disposed on the inner top wall of the cavity 11, two supporting rods 183 disposed alternately, and a first supporting block 184 and a second supporting block 185 hinged to the two ends of the two supporting rods 183, respectively, wherein the middle side walls of the two supporting rods 183 are respectively provided with a through hole 186 for the rotating shaft 182 to pass through, and then the two supporting rods 183 are rotatably connected to each other, the opposite side walls of the two serrated plates 152 are respectively provided with a supporting groove 187, the length direction of the supporting groove 187 is perpendicular to the axial direction of the upright column 102, the first supporting block 184 and the second supporting block 185 slide in the supporting groove 187, and the two ends of the spring 181 are respectively connected to the opposite side walls of the first supporting block 184 and the second supporting.

Because the two supporting rods 183 are mutually rotatably connected, when one of the sawtooth plates 152 is close to the adjusting block 12, the included angle between the two supporting rods 183 is gradually increased, meanwhile, the first supporting block 184 and the second supporting block 185 are mutually far away from each other in the supporting groove 187, at the moment, the spring 181 is opened, and then the other sawtooth plate 152 is driven to be close to the adjusting block 12, and finally, the sawtooth plate 152 can be meshed with the sawtooth strip 151, so that the adjusting block 12 is locked and fixed, and the supporting plate 6 can stably support the lifting platform 2; on the contrary, in the same way, when one of the sawtooth plates 152 is far away from the adjusting block 12, the other sawtooth plate 152 is driven to be far away from the adjusting block 12, so that the supporting plate 6 can be conveniently adjusted to a proper height by a person, the table die 3 stably slides to the inside of the corresponding maintenance box, and the storage efficiency is improved.

The implementation principle of the above embodiment is as follows: the person slides the support plate 6 to a proper position, so that the support plate 6 is aligned with a proper position of the curing box; then, the nut 171 is rotated, because the limiting groove 175 plays a role in guiding and limiting the sliding of the limiting block 174, the screw 172 is driven to slide in the same direction, and further one of the serrated plates 152 is driven to slide towards the direction of the adjusting block 12, and simultaneously, the included angle between the two supporting rods 183 is gradually increased, so that the first supporting block 184 and the second supporting block 185 are driven to slide relatively in the supporting groove 187, at this time, the spring 181 is stretched, so as to drive the other serrated plate 152 to slide towards the direction of the adjusting block 12, and finally, the serrated plate 152 is meshed with the serrated bar 151, so that the fixing of the adjusting block 12 is realized, and the supporting plate 6 can be fixed to a proper position, so that the lifting platform 2 can be stably supported.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides an assembled precast concrete is bench formwork for mould (3), includes frame (1), lift platform (2) and is located bench formwork (3) on lift platform (2), frame (1) includes roof (101) and two rows of two liang of relative stands (102) that set up at roof (101) lower surface, be equipped with hoist mechanism (4) that drive lift platform (2) go up and down on roof (101), be equipped with the push-and-pull institution that drive bench formwork (3) slided on lift platform (2), its characterized in that: still include two rows of two liang of relative take place piece (5) and along a plurality of bearing board (6) of the equidistance range of direction of height of stand (102), the lateral wall of stand (102) and be equipped with recess (8) that are used for holding bearing board (6) along its direction of height, adjacent enclose between bearing board (6) to close and form and take place space (9), take place piece (5) and slide and set up the lower surface at lift platform (2), the lower surface of lift platform (2) is equipped with the drive and takes place piece (5) and slide to taking driving piece (10) in putting space (9).

2. The stacker for an assembled concrete preform bench mold according to claim 1, wherein: the driving piece (10) is an air cylinder (1001) arranged on the lower surface of the lifting platform (2), and a piston rod of the air cylinder (1001) is connected with a side wall of the placing block (5).

3. The stacker for an assembled concrete preform bench mold according to claim 1, wherein: the bearing plate (6) is welded and fixed on the groove wall of the groove (8).

4. The stacker for an assembled concrete preform bench mold according to claim 1, wherein: be equipped with cavity (11) in stand (102), just the direction of height equidistance arrangement along stand (102) is equipped with a plurality of regulating blocks (12) in cavity (11), the lateral wall of bearing board (6) is equipped with adjusts pole (13), recess (8) are equipped with opening (14) rather than the cell wall that the notch is relative, adjust pole (13) and keep away from the one end of bearing board (6) and pass opening (14) and link to each other with regulating block (12), be equipped with retaining member (15) that are used for fixed regulating block (12) in cavity (11).

5. The stacker for an assembled concrete preform bench mold according to claim 4, wherein: retaining member (15) just are located sawtooth plate (152) of regulating block (12) both sides, two including setting up sawtooth rack (151) and the setting of sliding respectively at regulating block (12) both sides wall in cavity (11 sawtooth plate (152) and the direction of height syntropy of stand (102), be equipped with two sawtooth plate (152) of drive in cavity (11) to regulating part (17) that sawtooth rack (151) direction slided, sawtooth rack (151) and sawtooth plate (152) mesh mutually, one of them the lateral wall of sawtooth plate (152) just is equipped with the mouth (16) that slides that supplies branch (183) to pass along its direction of height.

6. The stacker for an assembled concrete preform bench mold according to claim 5, wherein: the adjusting piece (17) comprises two nuts (171) which are arranged on the outer wall of the upright post (102) in a relatively rotating mode and a screw rod (172) which is in threaded connection with the nuts (171), a through groove (173) communicated with the cavity (11) is formed in the outer wall of the upright post (102), one end of the screw rod (172) penetrates through the through groove (173) and is connected with one of the sawtooth plates (152), a limiting block (174) is arranged on the groove wall of the through groove (173), a limiting groove (175) for the limiting block (174) to slide is formed in the outer wall of the screw rod (172) along the axial direction of the screw rod, a reverse linkage piece (18) is arranged between opposite side walls of the sawtooth plates (152), and the reverse linkage piece (18) drives the two sawtooth plates (152) to be synchronously close to each other or.

7. The stacker for an assembled concrete preform bench mold according to claim 6, wherein: the reverse linkage piece (18) comprises a spring (181), a rotating shaft (182) arranged on the inner top wall of the cavity (11), two support rods (183) which are arranged in a staggered mode, and a first support block (184) and a second support block (185) which are hinged to the two ends of the two support rods (183) respectively, wherein through holes (186) for the rotating shaft (182) to penetrate through are formed in the side wall of the middle of the two support rods (183), the two support rods (183) are connected in a rotating mode, support grooves (187) are formed in the opposite side walls of the two sawtooth plates (152), the length direction of each support groove (187) is perpendicular to the axial direction of the upright column (102), the first support block (184) and the second support block (185) slide in the support grooves (187), and the two ends of the spring (181) are connected with the opposite side walls of the first support block (184) and the second support block (185) respectively.

8. The stacker for an assembled concrete preform bench mold according to claim 1, wherein: and the upper surface of the bearing plate (6) is provided with a rubber shock pad (7).