Automatic carton gluing machine

Abstract

The utility model discloses an automatic carton gluing machine which comprises a device body and an adjusting mechanism arranged on the device body, and the adjusting mechanism comprises a guide transverse column fixedly arranged on the device body, a plurality of material arranging plates arranged on the guide transverse column in a sliding mode and a plurality of installation plates. The conveying mechanism comprises a driven tooth and a driving tooth which are rotationally arranged on one side of the mounting plate, a conveying belt used for transmission of the driven tooth and the driving tooth and a transmission toothed bar used for driving of the driving tooth, a lifting extension rod connected with the device body is arranged on one side of the conveying mechanism, and a rotating cylinder is rotationally mounted at one end of the lifting extension rod; the rotary drum is used for lifting one side of the multi-layer carton. Materials of different specifications can be limited by adjusting the material neatening plate and the conveying mechanism, so that the application range of the device is expanded, and meanwhile, the lifting abutting rod and the lifting extension rod can move along with the material neatening plate in a manual adjustment mode, so that a plurality of structures can be used in a matched mode.

Description

TECHNICAL FIELD

[0001] The utility model relates to carton automatic processing technical field, especially carton automatic sticking machine. BACKGROUND

[0002] Carton processing, usually use the conveying equipment of paper box, the past is to the paper box is regular, then automatic or semi-automatic conveying, in order to, subsequent processing equipment processes the carton and handles it;

[0003] And the structure of the carton conveying equipment on the market at present, it is composed of regularizing mechanism and conveying mechanism, therefore, the carton is conveyed through the conveying mechanism after regularizing.

[0004] However, the structure of the equipment on the market is fixed, and it cannot be manually adjusted, so it can only place the specified materials on the specified equipment, thereby leading to a small application range. INVENTION CONTENTS

[0005] The utility model discloses at least one of the technical problems in the prior art. To this end, the utility model provides a carton automatic sticking machine, which adjusts the material regularizing plate and the conveying mechanism to expand the application range of the device.

[0006] The carton automatic sticking machine according to the utility model embodiment comprises a device main body, an adjusting mechanism arranged on the device main body, a guide horizontal column fixedly arranged on the device main body, a plurality of material regularizing plates slidingly arranged on the guide horizontal column, and a plurality of mounting plates.

[0007] The guide horizontal column is provided with a plurality of sliding bases sliding horizontally, and a lifting stopper is vertically and slidingly connected to one side of the sliding base.

[0008] The conveying mechanism comprises a driven gear and a driving gear rotatably arranged on one side of the mounting plate, a conveying belt for belt transmission of the driven gear and the driving gear, and a transmission gear rod for driving the driving gear, one side of the conveying mechanism is provided with a lifting extension rod connected with the device main body, and a rotating drum is rotatably arranged at one end of the lifting extension rod.

[0009] The carton automatic sticking machine according to the utility model embodiment is characterized in that two sliding guide rods are fixedly arranged on the inner side of the device main body, a plurality of sliding connection cylinders are arranged on the two sliding guide rods, the sliding connection cylinders are connected in a ring embracing mode with the sliding guide rods, and bolts for fastening connection with the sliding guide rods are threadedly and rotatably connected to both ends of the sliding connection cylinders.

[0010] According to the carton automatic box sticking machine provided in the embodiment of the utility model, the adjusting groove is arranged on the side of the mounting plate close to the lifting extension rod, and the adjusting groove is used for adjusting the distance between the driven tooth and the driving tooth.

[0011] According to the carton automatic box sticking machine provided in the embodiment of the utility model, the adjusting groove is arranged on the side of the mounting plate close to the lifting extension rod, and the adjusting groove is used for adjusting the distance between the driven tooth and the driving tooth.

[0012] According to the carton automatic box sticking machine provided in the embodiment of the utility model, the adjusting groove is arranged on the side of the mounting plate close to the lifting extension rod, and the adjusting groove is used for adjusting the distance between the driven tooth and the driving tooth.

[0013] According to the carton automatic box sticking machine provided in the embodiment of the utility model, the adjusting groove is arranged on the side of the mounting plate close to the lifting extension rod, and the adjusting groove is used for adjusting the distance between the driven tooth and the driving tooth.

[0014] According to the carton automatic box sticking machine provided in the embodiment of the utility model, the adjusting groove is arranged on the side of the mounting plate close to the lifting extension rod, and the adjusting groove is used for adjusting the distance between the driven tooth and the driving tooth.

[0015] According to the carton automatic box sticking machine provided in the embodiment of the utility model, the adjusting groove is arranged on the side of the mounting plate close to the lifting extension rod, and the adjusting groove is used for adjusting the distance between the driven tooth and the driving tooth.

[0016] According to the carton automatic box sticking machine provided in the embodiment of the utility model, the adjusting groove is arranged on the side of the mounting plate close to the lifting extension rod, and the adjusting groove is used for adjusting the distance between the driven tooth and the driving tooth.

[0017] According to the carton automatic box sticking machine provided in the embodiment of the utility model, the adjusting groove is arranged on the side of the mounting plate close to the lifting extension rod, and the adjusting groove is used for adjusting the distance between the driven tooth and the driving tooth.

[0018] According to the carton automatic box sticking machine provided in the embodiment of the utility model, the adjusting groove is arranged on the side of the mounting plate close to the lifting extension rod, and the adjusting groove is used for adjusting the distance between the driven tooth and the driving tooth.

[0019] The paper box automatic sticking machine has at least the following beneficial effects:

[0020] Firstly, the material regularizing plate and the conveying mechanism are adjusted, so that different specifications of materials can be limited, thereby expanding the application range of the device, and the lifting resistance rod and the lifting extension rod can be manually adjusted to move together with the material regularizing plate, so that multiple structures are used in cooperation, and then the driving tooth is driven by the transmission gear rod, so that the driving tooth transmits the driving force to the driven tooth through the belt transmission connection, so that the driving tooth and the driven tooth can use the conveying belt to convey the paper box placed on the surface.

[0021] Secondly, the utility model discloses a lifting extension rod is used to lift one side of the multilayer paper box, so that the paper box only contacts the conveying belt on one side, so that when the conveying belt works, only one side of the bottom paper box can be acted on, and then the bottom paper box can slowly move to other equipment, and the lifting resistance rod can be used to limit the multilayer paper box, and the bottom space is only left for the movement of the single paper box, so that the automatic conveying effect can be realized.

[0022] Additional aspects and advantages of the utility model will be partially given in the following description, some will become obvious from the following description, or be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical scheme of the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating creative labor.

[0024] Figure 1 It is the whole three-dimensional structure schematic diagram of the paper box automatic sticking machine of the utility model embodiment;

[0025] Figure 2 It is the conveying mechanism three-dimensional structure schematic diagram of the paper box automatic sticking machine of the utility model embodiment;

[0026] Figure 3 It is the sliding base and lifting resistance rod connecting structure schematic diagram of the paper box automatic sticking machine of the utility model embodiment;

[0027] Figure 4 It is the material regularizing plate and guide cross column connecting structure schematic diagram of the paper box automatic sticking machine of the utility model embodiment.

[0028] In the figure: 100, device main body; 110, sliding guide rod; 120, sliding connection cylinder; 130, mounting plate; 140, adjusting groove; 150, driven tooth; 160, conveying belt; 170, fixing bolt; 180, guide cross column; 181, sliding groove; 190, sliding base; 200, lifting resistance rod; 201, screw rod; 202, link block; 203, adjusting rotating rod; 210, material regularizing plate; 211, sliding block; 212, limiting bolt; 220, fixing frame; 230, moving clamping seat; 240, lifting extension rod; 250, rotating cylinder; 260, motor; 270, driving tooth; 280, transmission tooth; 290, transmission tooth rod; 300, driving tooth. DETAILED DESCRIPTION

[0029] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary only, and are merely intended to explain the present application, and cannot be understood as a limitation of the present application.

[0030] In the description of the present application, it should be understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as a limitation of the present application.

[0031] In the description of the present application, the meaning of several is one or more, and the meaning of multiple is two or more, greater than, less than, more than, etc. are understood as not including the number, above, below, etc. are understood as including the number. If the first and the second are described, this is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or the order of indicated technical features.

[0032] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting, connecting and connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0033] The carton automatic box sticking machine according to the embodiments of the present application is described below with reference to the drawings.

[0034] Referring to Figures 1 to 4 The utility model aims at providing paper box automatic sticking machine's embodiment, paper box automatic sticking machine of this embodiment mainly includes device main body 100 and adjustment mechanism set up on device main body 100, and its characterized in that: adjustment mechanism includes the guide cross column 180 of fixed setting on device main body 100, the plurality of material regularity board 210 of sliding setting on guide cross column 180 and several mounting plates 130.

[0035] In some specific embodiments of the utility model, the material regularity board 210 can be manually moved and adjusted by the staff, so that the positions of the plurality of material regularity boards 210 are dispersed or gathered, so that different specifications of materials can be limited, thereby expanding the application range of the device.

[0036] In some specific embodiments of the utility model, the guide cross column 180 is provided to provide guidance and limiting for the sliding of the material regularity board 210, so that the staff can move and adjust the material regularity board 210.

[0037] Reference Figure 1 and Figure 2 In some specific embodiments of the utility model, the guide cross column 180 is provided to provide guidance and limiting for the sliding of the material regularity board 210, so that the staff can move and adjust the material regularity board 210.

[0038] In some specific embodiments of the utility model, the sliding base 190 can be adjusted so that it can be used in cooperation with the material regularity board 210, so that it can be adjusted together according to the position of the material regularity board 210.

[0039] In some specific embodiments of the utility model, the lifting stopper 200 slidingly arranged on one side of the sliding base 190 can be used to move and limit the multi-layer paper box, so that when a single paper box needs to be conveyed, the multi-layer paper box is moved to other equipment with the conveying mechanism.

[0040] In some specific embodiments of the utility model, the conveying mechanism includes a driven tooth 150 and a driving tooth 300 rotatably arranged on one side of the mounting plate 130, a conveying belt 160 for driving the driven tooth 150 and the driving tooth 300, and a transmission tooth rod 290 for driving the driving tooth 300. One side of the conveying mechanism is provided with a lifting extension rod 240 connected with the device main body 100, and a rotating drum 250 is rotatably installed at one end of the lifting extension rod 240. The rotating drum 250 is used to lift one side of the multi-layer paper box.

[0041] In some specific embodiments of the utility model, the transmission gear rod 290 can drive the driving gear 300, and the driving gear 300 can transmit the driving force to the driven gear 150 through the belt transmission connection, so that the driving gear 300 and the driven gear 150 can be transported together by the conveying belt 160, and the driven gear 150 and the driving gear 300 are higher than the mounting plate 130.

[0042] In some specific embodiments of the utility model, the lifting extension rod 240 can lift one side of the multi-layer carton, so that only one side of the carton is in contact with the conveying belt 160, and only one side of the bottom carton can be affected when the conveying belt 160 works, so that the bottom carton can slowly move to other equipment and be separated from the rotating drum 250, thereby increasing the contact area with the conveying belt 160, and the upper carton does not change position, thereby achieving automatic conveying effect.

[0043] In some specific embodiments of the utility model, the lifting extension rod 240 can lift one side of the multi-layer carton, so that only one side of the carton is in contact with the conveying belt 160, and only one side of the bottom carton can be affected when the conveying belt 160 works, so that the bottom carton can slowly move to other equipment and be separated from the rotating drum 250, thereby increasing the contact area with the conveying belt 160, and the upper carton does not change position, thereby achieving automatic conveying effect.

[0044] In summary, first, the material regularizing plate 210 and the conveying structure can be adjusted to limit and convey different specifications of materials, thereby expanding the application range of the device, and the lifting stop rod 200 and the lifting extension rod 240 can be manually adjusted to move together with the material regularizing plate 210 to facilitate the cooperation between multiple structures.

[0045] Secondly, the transmission gear rod 290 can drive the driving gear 300, and the driving gear 300 can transmit the driving force to the driven gear 150 through the belt transmission connection, so that the driving gear 300 and the driven gear 150 can be transported together by the conveying belt 160.

[0046] Thirdly, the lifting extension rod 240 can lift one side of the multi-layer carton, so that only one side of the carton is in contact with the conveying belt 160, and only one side of the bottom carton can be affected when the conveying belt 160 works, so that the bottom carton can slowly move to other equipment and be separated from the rotating drum 250, thereby increasing the contact area with the conveying belt 160, and the upper carton does not change position, thereby achieving automatic conveying effect.

[0047] In some specific embodiments of the utility model, can make the device body 100 inside fixedly be provided with two sliding guide rod 110, two sliding guide rod 110 all be provided with several sliding connection cylinder 120, sliding connection cylinder 120 and sliding guide rod 110 are ring embrace type connection, the bolt for being fastened with sliding guide rod 110 is connected in the both ends of sliding connection cylinder 120 threadedly, sliding connection cylinder 120 one side is connected through fastening screw and mounting plate 130 threadedly, sliding connection cylinder 120 is used for the movement adjustment of mounting plate 130.

[0048] It is easy to understand that the embodiment limits the movement direction and range of the mounting plate 130 through the sliding guide rod 110, and the sliding connection cylinder 120 connected with the mounting plate 130 through the fastening screw can slide with the sliding guide rod 110 and can also stop moving at a certain position through the fastening screw. In this way, the mounting plate 130 can be used in cooperation with other adjusting devices, and its movement can also be limited after adjustment.

[0049] In use, the fastening screw is loosened, and the mounting plate 130 can be directly slid. After sliding to the appropriate position, the fastening screw is tightened, so as to cooperate with other devices in the device.

[0050] In some specific embodiments of the utility model, the adjusting groove 140 can be opened in the mounting plate 130 close to the lifting extension rod 240 end, the adjusting groove 140 is used for adjusting the distance between the driven tooth 150 and the driving tooth 300, the inside of the adjusting groove 140 is rotationally connected with the driven tooth 150 through the support rod, wherein the driven tooth 150 is rotationally connected with one end of the support rod, the support rod is sleeved with a gasket and a rotating stop piece, the rotating stop piece is rotationally arranged on the side of the driven tooth 150 close to the mounting plate 130, and the end of the support rod away from the driven tooth 150 is threadedly connected with the mounting plate 130 through the fixing bolt 170 and the gasket.

[0051] It is easy to understand that the embodiment opens the adjusting groove 140 on the mounting plate 130, so that the distance between the driven tooth 150 and the driving tooth 300 can be adjusted through the support rod, so as to facilitate the replacement of the conveying belt 160 by the staff. In the case where adjustment is not required, the movement of the support rod inside the adjusting groove 140 can be limited through the cooperation of the fixing bolt 170 and the gasket, and the rotating stop piece rotationally arranged on the side of the driven tooth 150 can avoid the direct contact between the driven tooth 150 and the mounting plate 130 when the fixing bolt 170 is tightened, so that the driven tooth 150 cannot rotate.

[0052] In some specific embodiments of the utility model, can make transmission gear bar 290 one end through transmission gear 280 and device main body 100 rotatory connection, transmission gear 280 one side meshing connection has drive gear 270, drive gear 270 one side and motor 260 output end fixed connection, motor 260 is fixed in device main body 100 one side through support frame.

[0053] It is easy to understand that the embodiment rotates the drive gear 270 by the motor 260, so that the transmission gear 280 meshingly connected with the drive gear 270 can be rotated together, and then the transmission gear bar 290 can provide a rotating effect for the driving gear 300 meshingly connected therewith, thereby enabling the conveying mechanism to convey the carton.

[0054] Furthermore, the driving gear 300 is also slidably connected with the sliding guide rod 110 through the sliding connection cylinder 120 below, so as to provide support for the driving gear 300 and avoid the overloading pressure from causing the damage between the transmission gear bar 290 and the driving gear 300 to be aggravated, and the other end of the transmission gear bar 290 is rotatably connected with the inner side of the device main body 100.

[0055] Reference Figure 3 In some specific embodiments of the utility model, the sliding base 190 is slidably connected with the sliding grooves 181 formed on both sides of the guide column 180 through the inner side protrusions, the sliding grooves 181 are used for the sliding stability of the sliding base 190, the side of the lifting resistance rod 200 is fixedly provided with the connecting block 202, the inner side of the connecting block 202 is rotatably provided with the lead screw 201, the lead screw 201 is threadedly connected with the sliding base 190, and the side of the connecting block 202 is rotatably provided with the adjusting rotating rod 203.

[0056] It is easy to understand that the sliding base 190 is slidably connected with the sliding grooves 181 on both sides of the guide column 180 through the inner side protrusions, so that the sliding effect between the two is reinforced, and the sliding base 190 is prevented from derailing during the sliding process with the guide column 180, and the lifting resistance rod 200 is threadedly connected with the sliding base 190 through the lead screw 201, so as to adjust the height of the lifting resistance rod 200 by the staff;

[0057] In use, the staff twists the adjusting rotating rod 203, so that the lead screw 201 is rotated when the adjusting rotating rod 203 rotates, the position of the lifting resistance rod 200 is changed by the threadedly screwed characteristics, and the lead screw 201 that is also rotatably connected with the adjusting rotating rod 203 is not ejected.

[0058] Reference Figure 4In some specific embodiments of the utility model, the material regularizing plate 210 can be connected with the sliding block 211 on one side through the threaded connection of the connecting screw, the sliding block 211 is slidably connected with the guide column 180 through the protruding block and the sliding groove 181;

[0059] The sliding block 211 is connected with the limiting bolt 212 on one side through the threaded connection, and the limiting bolt 212 is used for limiting the sliding between the sliding block 211 and the guide column 180.

[0060] It is easy to understand that the material regularizing plate 210 in the embodiment is connected with the sliding block 211 through the threaded connection of the connecting screw, thereby facilitating the disassembly of the material regularizing plate 210 by the staff, and the sliding block 211 is slidably connected with the guide column 180 through the protruding block, which can also increase the sliding stability of the two.

[0061] In addition, when the sliding block 211 is slid to the appropriate position, the staff can rotate the limiting bolt 212 to limit the position of the sliding block 211, so as to limit the different specifications of the carton by the staff.

[0062] In some specific embodiments of the utility model, the device main body 100 can be fixedly provided with the fixed frame 220 on one side, a plurality of movable clamping seats 230 are slidably arranged on the fixed frame 220, the movable clamping seat 230 is connected with the lifting extension rod 240 through the connecting rod on one side, and the lifting extension rod 240 is connected with the connecting rod through the threaded connection of the connecting bolt at the top.

[0063] It is easy to understand that the movable clamping seat 230 is provided with the movement guide and position limiting by the fixed frame 220 in the embodiment.

[0064] In use, the position of the movable clamping seat 230 can be adjusted through the sliding mode, and then the screw on one side is tightened, so as to limit the position of the movable clamping seat 230, and then the staff connects the lifting extension rod 240 with the connecting rod through the threaded connection of the connecting bolt, so that the rotary drum 250 can lift one side of the carton to realize the automatic conveying effect.

[0065] In the description of the specification, the description of the terms "one embodiment, some embodiments, illustrative embodiments, examples, specific examples or some examples" means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0066] The utility model embodiment makes the detailed explanation in combination with the drawing, but the utility model is not limited to the above -mentioned embodiment, still can make various changes in the knowledge range that the person skilled in the art has possesses without departing from the utility model's tenet under the precondition that the knowledge range that the person skilled in the art has possesses.

Claims

1. A carton automatic taping machine, comprising a device main body (100), and an adjusting mechanism arranged on the device main body (100), characterized in that; The adjusting mechanism comprises a guide column (180) fixed on the device body (100), a plurality of material shaping plates (210) slidingly arranged on the guide column (180), and a plurality of mounting plates (130); The guide column (180) is provided with a plurality of sliding bases (190) slidingly arranged laterally, one side of the sliding base (190) is vertically and slidingly connected with a lifting stopper (200), one side of the lifting stopper (200) is abutted with a carton, and the lifting stopper (200) is used for slidingly limiting the plurality of cartons; The conveying mechanism comprises a driven tooth (150) and a driving tooth (300) rotatably arranged on one side of the mounting plate (130), a conveying belt (160) for belt transmission of the driven tooth (150) and the driving tooth (300), and a transmission tooth rod (290) for driving of the driving tooth (300), one side of the conveying mechanism is provided with a lifting extension rod (240) connected with the device body (100), one end of the lifting extension rod (240) is rotatably provided with a rotating drum (250), and the rotating drum (250) is used for lifting one side of the plurality of cartons.

2. The carton auto-boxer of claim 1, wherein, Two sliding guide rods (110) are fixedly arranged in the device body (100), a plurality of sliding connection cylinders (120) are arranged on the two sliding guide rods (110), the sliding connection cylinder (120) and the sliding guide rod (110) are connected in a surrounding manner, and the sliding connection cylinder (120) is threadedly connected with a bolt at both ends for fastening connection with the sliding guide rod (110).

3. The carton auto-boxer of claim 2, wherein, One side of the sliding connection cylinder (120) is threadedly connected with the mounting plate (130) through a fastening screw, and the sliding connection cylinder (120) is used for movement adjustment of the mounting plate (130).

4. The carton auto-boxer of claim 1, wherein, The mounting plate (130) is provided with an adjusting groove (140) close to the end of the lifting extension rod (240), and the adjusting groove (140) is used for adjusting the distance between the driven tooth (150) and the driving tooth (300).

5. The carton auto-boxer of claim 4, wherein, The adjusting groove (140) is rotatably connected with the driven tooth (150) through a support rod, one end of the driven tooth (150) is rotatably connected with the support rod, a gasket and a rotating stopper are sleeved on the support rod, the rotating stopper is rotatably arranged on one side of the driven tooth (150) close to the mounting plate (130), and the end of the support rod away from the driven tooth (150) is threadedly connected with the mounting plate (130) through a fixing bolt (170) and a gasket.

6. The carton auto-boxer of claim 1, wherein, One end of the transmission tooth rod (290) is rotatably connected with the device body (100) through a transmission tooth (280), one side of the transmission tooth (280) is meshingly connected with a driving tooth (270), one side of the driving tooth (270) is fixedly connected with an output end of a motor (260), and the motor (260) is fixed on one side of the device body (100) through a support frame.

7. The carton auto-boxer of claim 1, wherein, The sliding base (190) is slidably connected with the guide column (180) through the inner side protrusions and the sliding grooves (181) opened on both sides of the guide column (181) for the sliding stability of the sliding base (190).

8. The carton auto-boxer of claim 7, wherein, The material regularizing plate (210) is threadedly connected with a sliding block (211) on one side through a connecting screw, and the sliding block (211) is slidably connected with the guide column (180) through the protrusions and the sliding grooves (181). The sliding block (211) is threadedly connected with a limiting bolt (212) on one side, and the limiting bolt (212) is used for the sliding limiting between the sliding block (211) and the guide column (180).

9. The carton auto-boxer of claim 1, wherein, The lifting resistance rod (200) is fixedly provided with a connecting block (202) on one side, the connecting block (202) is rotatably provided with a screw rod (201) on the inner side, the screw rod (201) is threadedly connected with the sliding base (190), and the connecting block (202) is rotatably provided with an adjusting rotating rod (203) on one side, and one end of the adjusting rotating rod (203) is fixedly connected with one end of the screw rod (201).

10. The carton auto-boxer of claim 1, wherein, The device body (100) is fixedly provided with a fixing frame (220) on one side, a plurality of moving clamping seats (230) are slidably arranged on the fixing frame (220), the moving clamping seats (230) are connected with the lifting extension rods (240) through connecting rods on one side, and the lifting extension rods (240) are threadedly connected with the connecting rods on the top through connecting bolts.

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