CN210213893U - Tray distributor and building block conveying line - Google Patents

Abstract

The embodiment of the utility model provides a tray distributor and building block transfer chain relates to the engineering machine tool field. The tray distributing machine aims at solving the problem that the tray distributing efficiency of the existing tray distributing machine is low. The tray separating and placing machine comprises a lifting device and a clamping device; the clamping device comprises two clamping structures, each clamping structure comprises a fixed baffle, a movable supporting plate and a driving mechanism, and the driving end of each driving mechanism is connected with the movable supporting plate; the two movable supporting plates of the two holding and clamping structures are used for being close to each other under the drive of the corresponding driving mechanism to support the tray; or away from each other to disengage the tray. The block conveyor line comprises a pallet dispenser. The driving load of the driving mechanism is a movable supporting plate, compared with the existing driving load which is the whole clamping plate, the driving load is reduced, the driving speed of the driving mechanism is improved, and the problem that the tray distribution efficiency of the existing tray distribution machine is low is solved; meanwhile, the bearing standard of the driving mechanism can be reduced, the structure can be simpler, and the manufacturing and using cost is reduced.

Description

Tray distributor and building block conveying line

Technical Field

The utility model relates to an engineering machine tool field particularly, relates to a tray distributor and building block transfer chain.

Background

In the aerated concrete block conveying section, trays are required to be placed on a block conveying line to carry and transport blocks.

The tray dispenser is used for sequentially dispensing trays on the conveyor belt, and the inventor finds that the existing tray dispenser has the problem of low tray dispensing efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a tray distributor, for example, it can alleviate the lower problem of current tray distributor tray distribution efficiency.

The utility model discloses an aim still includes, provides a building block transfer chain, and it can alleviate the lower problem of building block conveying efficiency.

The embodiment of the utility model discloses a can realize like this:

the embodiment of the utility model provides a tray distributor, include: a lifting device and a clamping device; the clamping device comprises two clamping structures, each clamping structure comprises a fixed baffle, a movable supporting plate and a driving mechanism, the fixed baffle is fixedly connected with the lifting device, the movable supporting plate is movably connected with the fixed baffle, the driving mechanism is connected with the fixed baffle, and the driving end of the driving mechanism is connected with the movable supporting plate; the two movable supporting plates of the two holding and clamping structures are used for being close to each other under the drive of the corresponding driving mechanism to support the tray; or away from each other to disengage the tray.

In addition, the embodiment of the utility model provides a tray distributor can also have following additional technical characteristics:

optionally: the movable supporting plate comprises a movable plate and a supporting plate, the movable plate is connected with the supporting plate, an included angle is formed between the movable plate and the supporting plate, the movable plate is movably connected with the fixed baffle, and the driving end of the driving mechanism is connected with the movable plate; the supporting plate is used for supporting the tray or separating from the tray.

Optionally: when the two movable plates are driven to be close to each other by the corresponding driving mechanism, the edges of the movable plates are in butt joint with the edges of the fixed baffle plates.

Optionally: the holding and clamping structure further comprises a hinged arm, one end of the hinged arm is hinged to the driving end of the driving mechanism, the other end of the hinged arm is fixedly connected with the movable plate, and the hinged arm is hinged to the fixed baffle.

Optionally: the articulated arm comprises a first arm and a second arm which are sequentially connected, an included angle is formed between the first arm and the second arm, and the joint between the first arm and the second arm is articulated on the fixed baffle; one end of the first arm, which is far away from the second arm, is hinged with the driving end of the driving mechanism, and one end of the second arm, which is far away from the first arm, is connected with the movable supporting plate.

Optionally: the driving mechanism is a driving cylinder, a cylinder body of the driving cylinder is hinged to the fixed baffle, and a piston rod of the driving cylinder is hinged to one end, far away from the second arm, of the first arm.

Optionally: an included angle is formed between the two fixed baffle plates, and the distance between the ends, far away from the movable supporting plate, of the two fixed baffle plates is larger than the distance between the ends, close to the movable supporting plate, of the two fixed baffle plates.

Optionally: the fixed baffle comprises a first plate and a second plate which are connected with each other; an included angle is formed between the two first plates, and the distance between the ends of the two first plates far away from the second plate is larger than the distance between the ends of the two first plates close to the second plate; the two second plates are arranged side by side.

Optionally: the holding and clamping structure further comprises a first hinge seat and a second hinge seat; the first hinge seat is arranged on the first plate, and the second hinge seat is arranged on the second plate; the cylinder body of the driving cylinder is hinged on the first hinged seat, and the hinged arm is hinged on the second hinged seat.

The embodiment of the utility model provides a building block transfer chain is still provided. The block conveyor line comprises a pallet dispenser.

The utility model discloses tray distributor and building block transfer chain's beneficial effect includes, for example:

the tray distributor is characterized in that the fixed baffle is fixedly connected with the lifting device, the movable supporting plate is movably connected with the fixed baffle, the driving end of the driving mechanism drives the movable supporting plate to rotate, and the driving load of the driving mechanism is the movable supporting plate; meanwhile, the bearing standard of the driving mechanism can be reduced, the structure can be simpler, and the manufacturing and using cost is reduced.

The building block conveying line comprises a tray distributor, the tray distribution speed can be increased, the building block conveying efficiency can be increased, and the problem that the building block conveying efficiency is low is solved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic partial structural view of a block conveyor line provided in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a tray dispenser according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a first clamping device separated from a tray according to an embodiment of the present invention;

fig. 4 is a schematic structural view of the first clamping device supporting the tray to move upward according to the embodiment of the present invention;

fig. 5 is a schematic structural view of a first clamping device separated from a tray according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a first clamping device holding tray according to an embodiment of the present invention;

fig. 7 is a schematic structural view of a second clamping device separated from a tray according to an embodiment of the present invention;

fig. 8 is a schematic structural view of a second clamping device for holding a tray according to an embodiment of the present invention.

Icon: 10-a block conveyor line; 11-a pallet dispenser; 12-a conveyor belt; 100-a frame; 200-a lifting device; 300-clamping device; 301-holding clamp structure; 310-a fixed baffle; 311-a first plate; 312-a second plate; 320-a movable supporting plate; 321-a movable plate; 322-a support plate; 330-an articulated arm; 331-a first arm; 332-a second arm; 340-a first articulated seat; 341-second hinging seat; 350-driving a cylinder; 400-tray.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that, if the terms "upper", "lower", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the products of the present invention are used, the description is only for convenience of description and simplification, but the indication or suggestion that the indicated device or element must have a specific position, be constructed and operated in a specific orientation, and thus, should not be interpreted as a limitation of the present invention.

Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.

The existing tray sorting machine generally comprises an embracing and clamping device, and the tray sorting of the tray sorting machine is mainly realized by clamping and releasing the tray through the embracing and clamping device. Embrace and press from both sides the device and include actuating mechanism and splint, but current monoblock splint quality is great, and the actuating mechanism load is great, and in order to adapt to the drive load, the actuating mechanism structure is more complicated, leads to the drive process slow, has the tray to divide and puts the lower problem of efficiency. In the prior art, the efficiency is improved mainly by improving the bearing capacity and the driving speed of the driving mechanism, so that the cost is increased, and the problems of complex structure and low efficiency exist. The tray dispenser and the building block conveyor line provided by the embodiment can improve the technical problem.

The tray dispenser 11 provided in the present embodiment is described in detail below with reference to fig. 1 to 8.

Referring to fig. 1 and fig. 2, a block conveyor line 10 provided in this embodiment includes a pallet dispenser 11 and a conveyor belt 12. The tray dispenser 11 is used to sequentially dispense the trays 400 on the conveyor belt 12.

Referring to fig. 2, the pallet dispenser 11 of the present embodiment includes a frame 100, a lifting device 200, and a clamping device 300. The two clasping structures 301 in the clasping device 300 approach each other to hold the tray 400 and move away from each other to separate from the tray 400. The lifting device 200 lifts and lowers the clasping device 300 to complete the dispensing of the pallet 400. It should be noted that: the housing 100 serves to support the lifting device 200, and in practice, the lifting device 200 may not be mounted on the housing 100, for example, the lifting device 200 is mounted on the top of an indoor wall.

Referring to fig. 3, the two movable trays 320 are unfolded to be movable up and down outside the plurality of trays 400 stacked in sequence. Specifically, the two movable carriers 320 rotate in the direction of b2 in fig. 3 and move away from each other to separate from the tray 400, and then the lifting device 200 lifts the clasping device 300 to move in the direction of a1 in fig. 3 until the movable carriers 320 can hold the tray 400 on the top of the bottommost tray 400 (i.e., the tray 400 located at the penultimate position from top to bottom), and the lifting device 200 stops driving. Referring to fig. 4, the two movable trays 320 are rotated along the direction b1 in fig. 4 to approach each other until the two movable trays 320 hold the penultimate tray 400; then, under the lifting action of the lifting device 200, the clasping device 300 is lifted along the direction a1 in fig. 4, so that the trays 400 on the top of the bottommost tray 400 are all lifted synchronously, and the bottommost tray 400 moves to the next station along with the movement of the conveyor belt 12, and the dispensing of the tray 400 at one station is completed.

With continued reference to fig. 4, the lifting device 200 is moved downwardly in the direction a2 in fig. 4 to lower the clasping device 300. Referring again to fig. 3, the two movable carriers 320 are rotated again in the direction of b2 in fig. 3 and away from each other to separate the trays 400, and the plurality of trays 400 are lowered; the lifting device 200 then lifts the clasping device 300 again to move along the direction a1 in fig. 3 until the movable pallet 320 can hold the pallet 400 on top of the bottommost pallet 400, and the lifting device 200 stops driving. And sequentially circulating to finish the distribution of the trays 400.

Referring to fig. 5, the clamping device 300 of the present embodiment includes two clamping structures 301, each clamping structure 301 includes a fixed baffle 310, a movable supporting plate 320, and a driving mechanism, the fixed baffle 310 is fixedly connected to the lifting device 200, the movable supporting plate 320 is movably connected to the fixed baffle 310, the driving mechanism is connected to the fixed baffle 310, and a driving end of the driving mechanism is connected to the movable supporting plate 320; the two movable supporting plates 320 of the two holding and clamping structures 301 are used for approaching each other under the drive of the corresponding driving mechanisms to support the tray 400; or away from each other to disengage the tray 400. The driving mechanism does not need to drive the two fixed baffles 310 and the two movable supporting plates 320 to be close to or far away from each other together, only needs to drive the two movable supporting plates 320 to be close to or far away from each other, and the driving load of the driving mechanism is the movable supporting plates 320, and is a whole clamping plate compared with the driving load, so that the driving load is reduced, the driving speed of the driving mechanism is improved, and the problem that the distribution efficiency of the tray 400 of the tray distribution machine 11 is low is solved. Meanwhile, the requirement and standard for the load capacity of the driving mechanism can be reduced, and the structure of the driving mechanism can be designed to be simpler; and the driving mechanism with a simpler structure is adopted, so that the production and practical cost is reduced. Specifically, the number of the clasping structures 301 is two, the two fixed baffles 310 are arranged at intervals and are all used for being fixedly connected with the lifting device 200, the two movable supporting plates 320 are respectively movably connected with the fixed baffles 310, and the driving ends of the two driving mechanisms are respectively connected with the movable supporting plates 320 so as to drive the two movable supporting plates 320 to be close to or far away from each other.

With reference to fig. 5, the movable supporting plate 320 includes a movable plate 321 and a supporting plate 322, the movable plate 321 is connected to the supporting plate 322, and an included angle is formed between the movable plate 321 and the supporting plate 322, the movable plate 321 is movably connected to the fixed baffle 310, and the driving end of the driving mechanism is connected to the movable plate 321; the support plate 322 is used to hold the tray 400 or to separate from the tray 400. After the two movable supporting plates 320 approach each other, the two movable plates 321 are used for limiting the tray 400, and the two supporting plates 322 are used for supporting the tray 400. The movable plate 321 is arranged, which has the function of enhancing the overall strength of the movable supporting plate 320, so as to be connected with the driving mechanism more firmly; meanwhile, the movable plate 321 is provided, so that the whole operation stroke of the movable plate 320 is shortened in the process that the movable plate 320 rotates from the state of being separated from the tray 400 to the state of holding the tray 400, thereby shortening the driving time of the driving mechanism and improving the distribution efficiency of the tray 400. In this embodiment, the movable plate 321 is perpendicular to the supporting plate 322; specifically, the movable plate 321 and the supporting plate 322 have an L-shaped structure. So that the support plate 322 can more stably support the tray 400 to prevent the tray 400 from slipping out. It should be noted that "perpendicular" herein does not require that the angle between the two be necessarily 90 °, but may be slightly inclined, for example, the angle is in the range of 88 ° to 90 °, and still be considered perpendicular. Example (c): the included angle between the movable plate 321 and the supporting plate 322 may also be 88 °, 89 °, etc.

With continued reference to fig. 5, the two fixed baffles 310 form an included angle therebetween, and the distance between the ends of the two fixed baffles 310 far away from the movable supporting plate 320 is greater than the distance between the ends of the two fixed baffles 310 close to the movable supporting plate 320. And guides the tray 400. Specifically, referring to the relative position in fig. 5, the distance between the upper ends of the two fixed barriers 310 is greater than the distance between the lower ends of the two fixed barriers 310. When the two movable supporting plates 320 are far away from each other and the lifting device 200 lifts the clamping device 300 to move upwards, the plurality of trays 400 gradually move into the space between the two fixed baffle plates 310 relatively, the two fixed baffle plates 310 adopt a structure with a large upper end opening and a small lower end opening, so that the trays 400 are more easily avoided, and meanwhile, the tray 400 is limited.

With continued reference to fig. 5, in this embodiment, the clasping structure 301 further comprises a hinge arm 330, one end of the hinge arm 330 is hinged to the driving end of the driving mechanism, the other end of the hinge arm 330 is fixedly connected to the movable plate 321, and the hinge arm 330 is hinged to the fixed baffle 310. Specifically, the hinge arm 330 includes a first arm 331 and a second arm 332 connected in sequence, an included angle is formed between the first arm 331 and the second arm 332, and a connection between the first arm 331 and the second arm 332 is hinged on the fixed baffle 310; the end of the first arm 331 far away from the second arm 332 is hinged with the driving end of the driving mechanism, and the end of the second arm 332 far away from the first arm 331 is connected with the movable supporting plate 320. Specifically, the first arm 331 and the second arm 332 are in a V-shaped structure, and a joint of the first arm 331 and the second arm 332 is hinged to the fixed baffle 310. The first arm 331 and the second arm 332 have the function of strengthening the strength of the movable supporting plate 320, and in the process that the driving mechanism drives the movable supporting plate 320 to rotate, the movable supporting plate 320 is not easy to deform, and the driving mechanism can drive the movable supporting plate 320 to rotate more stably; while enabling the movable blade 320 to hold the tray 400 more firmly.

It should be noted that: the "driving end of the driving mechanism" refers to a connecting portion of the driving mechanism, which is connected to the movable supporting plate 320 and is used for pushing the movable supporting plate 320 to rotate relative to the fixed baffle 310. The specific structure of the driving end is different according to the structure of the driving mechanism. In this embodiment, the driving mechanism is a driving cylinder 350, a cylinder body of the driving cylinder 350 is connected to the fixed baffle 310, a telescopic rod of the driving cylinder 350 is connected to the movable supporting plate 320, and here, one end of the telescopic rod connected to the movable supporting plate 320 is a driving end; or, the cylinder body of the driving cylinder 350 is connected with the movable supporting plate 320, the telescopic rod is connected with the fixed baffle 310, and at this time, the end of the cylinder body connected with the movable supporting plate 320 is a driving end.

With continued reference to fig. 5, in this embodiment, the cylinder body of the driving cylinder 350 is hinged to the fixed stop 310, and the piston rod of the driving cylinder 350 is hinged to the end of the first arm 331 remote from the second arm 332. In this embodiment, the driving cylinder 350 is a cylinder. The bearing capacity of the air cylinder is smaller than that of the hydraulic cylinder, the price is lower than that of the hydraulic cylinder, and the driving cylinder 350 only needs to drive the movable supporting plate 320 to move, so that the driving load is lower, the movable supporting plate 320 can be driven by the air cylinder, and the cost can be saved. The in-place detection of the movable supporting plate 320 is more convenient, and the position of the air cylinder is detected by using a sensing line of the air cylinder. Alternatively, the driving cylinder 350 may be a hydraulic cylinder.

With reference to fig. 5, in this embodiment, the clamping structure 301 further includes a first hinge seat 340 and a second hinge seat 341, and the first hinge seat 340 and the second hinge seat 341 are disposed on the fixed baffle 310; the cylinder body of the driving cylinder 350 is hinged to the first hinge base 340, and the junction of the first arm 331 and the second arm 332 is hinged to the second hinge base 341.

Referring to fig. 6, when the two movable plates 321 are driven to approach each other by the corresponding driving mechanism, the edge of the movable plate 321 is abutted with the edge of the fixed baffle 310. The movable plate 321 and the fixed baffle 310 together limit the tray 400 from the side, and the plurality of stacked trays 400 can be more stably limited during the lifting process of the lifting device 200. Optionally, a gap is formed between the edge of the movable plate 321 and the edge of the fixed baffle 310, the width of the gap is smaller than the height of one tray 400, and the movable plate 321 and the fixed baffle 310 still have the function of jointly limiting the tray 400.

The unfolding and folding states of the clasping device 300 in the embodiment are described in detail with reference to fig. 5 and 6. Referring to fig. 5, the piston rod of the driving cylinder 350 is shortened, the first arm 331 rotates toward the direction approaching the tray 400, the second arm 332 rotates toward the direction away from the tray 400, the movable supporting plate 320 rotates toward the direction away from the tray 400 by the second arm 332, and the two movable supporting plates 320 move away from each other to separate from the tray 400. Referring to the relative positions shown in fig. 7, in the left clasping structure 301, the piston rod of the driving cylinder 350 is inclined from the upper right to the lower left, the first arm 331 is inclined from the upper left to the lower right, the second arm 332 is inclined from the upper right to the lower left, the movable plate 321 is inclined from the upper right to the lower left, and the support plate 322 is inclined from the upper left to the lower right. Referring to fig. 6, the piston rod of the driving cylinder 350 is extended, the first arm 331 rotates in a direction away from the tray 400, the second arm 332 rotates in a direction close to the tray 400, and the movable blade 320 rotates in a direction close to the tray 400 by the second arm 332 to support the tray 400. Referring to the relative positions shown in fig. 6, in the left clasping structure 301, the piston rod of the driving cylinder 350 is inclined from the upper right to the lower left, the first arm 331 is inclined from the upper left to the lower right, the second arm 332 is inclined from the upper left to the lower right, the movable plate 321 extends vertically, and the support plate 322 extends laterally.

Referring to fig. 7, in the present embodiment, the fixing baffle 310 includes a first plate 311 and a second plate 312 connected to each other; an included angle is formed between the two first plates 311, and the distance between the ends of the two first plates 311 far away from the second plate 312 is greater than the distance between the ends of the two first plates 311 near the second plate 312; two second plates 312 are arranged side by side.

Specifically, a first hinge seat 340 is provided on the first plate 311, and a second hinge seat 341 is provided on the second plate 312; the cylinder body of the driving cylinder 350 is hinged on the first hinge seat 340, one end of the hinge arm 330 is hinged with the driving end of the driving mechanism, and the other end of the hinge arm 330 is fixedly connected with the movable plate 321 and hinged on the second hinge seat 341.

The unfolding and folding states of the clasping device 300 in the embodiment are described in detail with reference to fig. 7 and 8. Referring to fig. 7, the piston rod of the actuating cylinder 350 is shortened to rotate the hinge arm 330 in a direction approaching the pallet 400, the hinge arm 330 rotates the movable blade 320 in a direction away from the pallet 400, and the movable blade 320 is unfolded to release the pallet 400. Referring to the relative positions shown in fig. 7, in the left clasping structure 301, the piston rod of the driving cylinder 350 is inclined from the upper right to the lower left, the hinge arm 330 is inclined from the upper left to the lower right, the movable plate 321 is inclined from the upper right to the lower left, and the support plate 322 is inclined from the upper left to the lower right. Referring to fig. 8, the piston rod of the driving cylinder 350 is extended to drive the hinge arm 330 to rotate in a direction away from the tray 400, and the hinge arm 330 rotates the movable blade 320 in a direction close to the tray 400 to hold the tray 400. Referring to the relative position shown in fig. 8, in the left clasping structure 301, the piston rod of the driving cylinder 350 is inclined from the upper right to the lower left, the hinge arm 330 is inclined from the upper left to the lower right, the movable plate 321 extends vertically, and the support plate 322 extends laterally.

In this embodiment, under the action of the driving mechanism, the movable supporting plate 320 rotates relative to the fixed baffle 310 to support the tray 400 and separate from the tray 400. Optionally, the movable blade 320 moves laterally relative to the fixed stop 310. Embrace and press from both sides structure 301 and include fixed stop 310, movable supporting plate 320, guide bar and drive screw transversely set up side by side, guide bar and fixed stop 310 fixed connection, drive screw rotates with fixed stop 310 and is connected, guide bar and movable supporting plate 320 sliding connection, drive screw and the 320 threaded connection of movable supporting plate, drive screw is by motor drive, the motor rotates, movable supporting plate 320 is close to and keeps away from fixed stop 310 along the direction of guide bar, in order to hold tray 400 and to release tray 400. The driving load of the driving mechanism is the movable supporting plate 320, which reduces the driving load, and helps to improve the driving speed of the driving mechanism, so as to alleviate the problem of low distribution efficiency of the trays 400 of the tray distributor 11.

The embodiment of the utility model provides a tray distributor 11 and building block transfer chain 10 have following advantage at least:

the fixed baffle 310 is fixed on the lifting device 200, the driving load of the driving mechanism is the movable supporting plate 320, the driving load of the driving mechanism is small, the driving speed of the driving mechanism can be improved, and the problem that the tray 400 distribution efficiency of the existing tray distribution machine 11 is low is solved.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. A pallet dispenser, comprising:

a lifting device and a clamping device;

the clamping device comprises two clamping structures, each clamping structure comprises a fixed baffle, a movable supporting plate and a driving mechanism, the fixed baffle is fixedly connected with the lifting device, the movable supporting plate is movably connected with the fixed baffle, the driving mechanism is connected with the fixed baffle, and the driving end of the driving mechanism is connected with the movable supporting plate;

the two movable supporting plates of the two holding and clamping structures are used for being close to each other under the driving of the corresponding driving mechanism so as to support the tray; or away from each other to disengage the tray.

2. The pallet dispenser of claim 1, wherein:

the movable supporting plate comprises a movable plate and a supporting plate, the movable plate is connected with the supporting plate, an included angle is formed between the movable plate and the supporting plate, the movable plate is movably connected with the fixed baffle, and the driving end of the driving mechanism is connected with the movable plate; the supporting plate is used for supporting the tray or separating from the tray.

3. The pallet dispenser of claim 2, wherein:

when the two movable plates are driven to approach each other by the corresponding driving mechanism, the edges of the movable plates are in butt joint with the edges of the fixed baffle plates.

4. The pallet dispenser of claim 2, wherein:

the holding and clamping structure further comprises a hinged arm, one end of the hinged arm is hinged to the driving end of the driving mechanism, the other end of the hinged arm is fixedly connected with the movable plate, and the hinged arm is hinged to the fixed baffle.

5. The pallet dispenser of claim 4, wherein:

the hinged arm comprises a first arm and a second arm which are sequentially connected, an included angle is formed between the first arm and the second arm, and the joint between the first arm and the second arm is hinged on the fixed baffle;

one end of the first arm, which is far away from the second arm, is hinged with the driving end of the driving mechanism, and one end of the second arm, which is far away from the first arm, is connected with the movable supporting plate.

6. The pallet dispenser of claim 5, wherein:

the driving mechanism is a driving cylinder, a cylinder body of the driving cylinder is hinged to the fixed baffle, and a piston rod of the driving cylinder is hinged to one end, far away from the second arm, of the first arm.

7. The pallet dispenser of claim 6, wherein:

two the contained angle has between the fixed stop, two fixed stop keeps away from distance between the activity layer board one end is greater than two fixed stop is close to distance between the activity layer board one end.

8. The pallet dispenser of claim 7, wherein:

the fixed baffle comprises a first plate and a second plate which are connected with each other;

an included angle is formed between the two first plates, and the distance between the ends, far away from the second plate, of the two first plates is larger than the distance between the ends, close to the second plate, of the two first plates;

the two second plates are arranged side by side.

9. The pallet dispenser of claim 8, wherein:

the clamping structure further comprises a first hinge seat and a second hinge seat;

the first hinged seat is arranged on the first plate, and the second hinged seat is arranged on the second plate;

the cylinder body of the driving cylinder is hinged to the first hinged seat, and the hinged arm is hinged to the second hinged seat.

10. The utility model provides a building block transfer chain which characterized in that:

a block conveyor line comprising a pallet dispenser according to any one of claims 1 to 9.

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