CN211919209U

CN211919209U - Synchronous sealing and cutting device of vertical packaging machine

Info

Publication number: CN211919209U
Application number: CN202020423952.5U
Authority: CN
Inventors: 李洪杰
Original assignee: Jinhua Shuxiqiao Biotechnology Co ltd
Current assignee: Jinhua Shuxiqiao Biotechnology Co ltd
Priority date: 2020-03-27
Filing date: 2020-03-27
Publication date: 2020-11-13
Anticipated expiration: 2030-03-27

Abstract

The utility model discloses a synchronous sealing cutting device of vertical packagine machine belongs to the equipment for packing field, and it includes the organism, connects violently sealing device and cutting device on the organism, and violently seals the horizontal spacing and can open and shut around the organism and press from both sides the department of sealing waiting at bar package spare, is equipped with the vertical direction reciprocating motion of drive arrangement drive violently sealing device on the organism, and cutting device locates violently to encapsulate the below, connect swing stop device on the cutting device, the spacing passageway that swing stop device formed is located the top of cutting device and the upper and lower opening of spacing passageway and is corresponding with the clamping mouth of violently sealing device and cutting device's cutting mouth respectively, and swing stop device restriction bar package oscillating back and forth, violently seals device pulling bar package and move down, bar package cuts in the cutting mouth that falls into cutting device through spacing passageway. The utility model discloses can avoid continuous bar package piece to appear swing skew when violently sealing and influence cutting device and cut, make the packing qualification rate higher.

Description

Synchronous sealing and cutting device of vertical packaging machine

Technical Field

The utility model relates to a equipment for packing field especially relates to synchronous sealing cutting device of vertical packagine machine.

Background

From the knowledge of the current packaging machines for packaging flowable paste material (such as pear paste) in strip form, the packages completed by the strip packaging machines are in the form of two transverse seals and a longitudinal seal, the seals are bonded by opposite faces, and the sealed strip packages are sent to a cutting device for cutting. The existing strip-shaped packaging machine comprises a cutting device for cutting a packaging bag by pulling the packaging bag to the cutting device through a traction device after the packaging bag is sealed, or the packaging bag is transversely sealed, and the traction device drives the transverse sealing device to move to pull the packaging bag to the cutting device for cutting.

The packaging machine comprises a machine body, a filling device, a forming device, a longitudinal sealing clamp, a transverse sealing clamp, a shearing box and a paper feeding device, wherein the filling device is positioned on the upper portion of the machine body, the forming device, the longitudinal sealing clamp, the transverse sealing clamp, the shearing box and the paper feeding device are sequentially positioned below the filling device, the traction mechanism is arranged below the shearing box, the transverse sealing clamp is driven by the traction mechanism to move up and down, the shearing position of the packaging machine is fixed, and the packaging machine is suitable for packaging pieces of various lengths. However, when the transverse sealing clamp is used for transverse sealing, the packaging piece at the lower end of the transverse sealing clamp can swing and deflect under the action of clamping force of the transverse sealing clamp, when the traction mechanism drives the transverse sealing clamp to drive the packaging piece to move downwards, the lower end of the packaging piece can be abutted against a knife edge for cutting, so that the packaging piece cannot be cut normally, or when the packaging piece is cut by the cutting box, the packaging piece deflects due to the fact that the position of the cutting box on the packaging piece is sheared by the aid of the lower end swinging and deflecting, so that the packaging piece is sheared, and the objects in the packaging piece flow.

Disclosure of Invention

The utility model aims to solve the technical problem that a vertical packagine machine of restriction package swing skew seals cutting device in step is provided.

The technical scheme of the utility model is that: the synchronous sealing and cutting device of the vertical packaging machine is characterized by comprising a machine body, wherein a transverse sealing device and a cutting device are connected on the machine body, the transverse sealing device is horizontally limited on the machine body and can be opened and closed back and forth and clamped at a position to be sealed of a strip-shaped packaging piece, a driving device is arranged on the machine body to drive the transverse sealing device to reciprocate vertically, the cutting device is arranged below the transverse sealing device,

the cutting device is connected with a swing limiting device, a limiting channel formed by the swing limiting device is arranged above the cutting device, the upper opening and the lower opening of the limiting channel correspond to a clamping opening of the transverse sealing device and a cutting opening of the cutting device respectively, the swing limiting device limits the strip-shaped packaging piece to swing back and forth, the transverse sealing device pulls the strip-shaped packaging piece to move downwards, and the strip-shaped packaging piece falls into a cutting opening of the cutting device through the limiting channel to be cut.

The swing limiting device comprises a fixing frame, three fixing clamp plates and a movable clamp plate, the fixing frame is connected to the cutting device through a connecting piece, the three fixing clamp plates and the movable clamp plate are enclosed to form a limiting channel which penetrates through the fixing frame from top to bottom, the three fixing clamp plates are fixedly connected with the fixing frame, the movable clamp plate is connected with the fixing frame in a sliding mode, and the front and back sliding movable clamp plates enable the front and back width of the limiting channel to be increased or reduced.

The movable clamping plate is arranged on the fixed frame, the movable clamping plate is connected with the sliding rod, the sliding rod is vertically limited in the first sliding long groove, the sliding rod drives the movable clamping plate to horizontally move back and forth along the direction of the notch of the first sliding long groove and can be locked on the fixed frame, and the movable clamping plate moves to enable the front width and the rear width of the limiting channel to be increased or decreased.

The upper ends of the fixed clamping plate and the movable clamping plate are respectively provided with a bent guide inclined plane, and the guide inclined planes and the outer side surface of the limiting channel form an obtuse angle.

The fixing frame is provided with a second sliding long groove which penetrates through the fixing frame, the connecting piece is inserted into the second sliding long groove and is in sliding connection with the fixing frame, the fixing frame is horizontally limited on the connecting piece, and the fixing frame vertically moves up and down along the direction of the notch of the second sliding long groove and can be locked on the cutting device.

The fixing frame is L-shaped, and the first sliding long groove and the second sliding long groove are respectively arranged on two folding edges of the fixing frame.

The cutting device is connected with the displacement adjusting device, the displacement adjusting device is connected to the machine body, the displacement adjusting device comprises an adjusting support and a sliding block horizontally limited on the adjusting support, a lead screw is vertically inserted into the adjusting support and connected with the sliding block, the cutting device is connected to the sliding block, and the lead screw is rotated to drive the sliding block to drive the cutting device to vertically move in the vertical direction.

The cutting device comprises a mounting frame and a cutting cylinder connected to the mounting frame, the mounting frame is connected with a displacement adjusting device, a cutting tool is connected to a telescopic rod of the cutting cylinder, the cutting tool and the inner side face of the mounting frame form a cutting opening, the cutting cylinder drives the cutting tool to reciprocate front and back in the mounting frame, and a strip-shaped packaging piece is cut off by the tool edge of the cutting tool and the inner side face of the mounting frame in a touching mode.

And a third sliding long groove which penetrates through the side surface of the mounting frame is arranged, the swing limiting device is connected with the mounting frame through a connecting piece, the connecting piece is vertically limited in the third sliding long groove, the connecting piece drives the swing limiting device to move back and forth in the horizontal direction along the notch direction of the third sliding long groove, and the connecting piece and the swing limiting device can be locked on the mounting frame.

The transverse sealing device comprises a fixing seat and two transverse sealing assemblies, the two transverse sealing assemblies are oppositely arranged on the fixing seat in a front-back mode and can be clamped, the clamping opening is formed between the two transverse sealing assemblies, the driving device comprises a guide rail cylinder and a driving piece connected to the guide rail cylinder, the driving piece is connected with the fixing seat, the fixing seat is horizontally limited on the machine body, the guide rail cylinder drives the driving piece to vertically move, and the driving piece drives the fixing seat to move.

Compared with the prior art, the utility model has the advantages that connect swing stop device on the cutting device, the spacing passageway that swing stop device formed is located cutting device's top and the upper and lower opening of spacing passageway is corresponding with the clamping mouth of violently sealing the device and cutting device's cutting mouth respectively, swing stop device restriction bar package swing back and forth, when violently sealing the device and sealing to the bar package, violently sealing device pulling bar package moves down, the bar package falls into cutting device's cutting mouth through spacing passageway and cuts, swing stop device's spacing passageway avoids the bar package to receive the extrusion to appear the swing skew around when violently sealing the device front and back clamping violently, make the bar package can be by accurate send to cutting device's cutting in the incision, cutting device also can be accurate when cutting is sealing the department, reduce the rejection rate.

Drawings

The present invention will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of illustrating the background art and explaining the preferred embodiments, and therefore should not be taken as limiting the scope of the present invention. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on conceptual representations of elements or structures depicted and may contain exaggerated displays and are not necessarily drawn to scale.

Fig. 1 is a schematic view of the present invention.

Fig. 2 is a schematic structural view of the driving device connecting with the horizontal sealing device.

FIG. 3 is a schematic view of the cutting device connected to a swing limiting device.

FIG. 4 is a schematic view of the displacement adjusting device connected to the cutting device.

Fig. 5 is a schematic structural view of the displacement adjusting device.

Fig. 6 is a schematic structural view of the swing limiting device.

In the figure: 1. a body; 2. a transverse sealing device; 3. a displacement adjustment device; 4. a cutting device; 5. a swing limiting device; 6. a drive device; 7. a first slide bar; 8. a strip pack; 9. a clamping opening; 10. cutting the incision; 11. a limiting channel; 12. a clamping body; 13. transversely sealing the cylinder; 14. a transverse sealing component; 15. a fixed seat; 16. blocking edges; 17. a feed opening; 18. a guide rail cylinder; 19. a drive member; 20. a cutting cylinder; 21. a mounting frame; 22. a third sliding elongated slot; 23. cutting tools; 24. a connecting member; 25. locking the cover plate; 26. positioning holes; 27. a positioning projection; 28. a screw rod; 29. adjusting the bracket; 30. a slider; 31. a second slide bar; 32. a fixed mount; 33. a first sliding long groove; 34. fixing the rod; 35. fixing the clamping plate; 36. a guide slope; 37. a movable splint; 38. a slide bar; 39. a second sliding elongated slot.

Detailed Description

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Those skilled in the art will appreciate that the description is illustrative only, and is not to be construed as limiting the scope of the invention.

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

In the description of the present invention, it should be noted that the terms "inside" and "outside" are used for indicating the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the utility model is usually placed when using, and are only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

As shown in fig. 1-6, the synchronous sealing and cutting device for a vertical packaging machine comprises a machine body 1, wherein a transverse sealing device 2 is connected to the machine body 1, the transverse sealing device 2 is horizontally limited on the machine body 1 and can be clamped at a to-be-sealed position of a strip-shaped packaging piece 8 in a front-back opening and closing manner, the transverse sealing device 2 comprises a fixed seat 15 and two transverse sealing components 14, two first sliding rods 7 are vertically arranged on the machine body 1, the fixed seat 15 is horizontally limited on the two first sliding rods 7 and can vertically slide up and down, the two transverse sealing components 14 are oppositely arranged on the fixed seat 15 in a front-back direction and can be clamped, further, the transverse sealing components 14 comprise a transverse sealing cylinder 13 and a clamping body 12, an electric heating element is arranged in the clamping body 12 and is used for sealing the sealed position of the strip-shaped packaging piece 8, the transverse sealing cylinder 13 is connected to the fixed seat 15, the clamping body 12 is connected to an expansion link of the transverse sealing cylinder 13, the, form the nip 9 that is used for transversely sealing the centre gripping between two cramping bodies 12, the pay-off opening 17 has been seted up on the fixing base 15, pay-off opening 17 is corresponding with nip 9, both sides are equipped with shelves 16 around pay-off opening 17, shelves 16 extend to cramping body 12 downside edge, open the biggest department at the nip 9 of two cramping bodies 12, shelves 16 and pay-off opening 17 form the pay-off passageway, shelves 16 play the location guide effect to bar package 8, avoid bar package 8 card on fixing base 15, can accurately press from both sides the department of sealing at bar package 8 when also making cramping body 12 seal.

As shown in fig. 2, the machine body 1 is provided with a driving device 6 for driving the transverse sealing device 2 to reciprocate in the vertical direction, the driving device 6 includes a guide rail cylinder 18 and a driving part 19 connected to the guide rail cylinder 18, the driving part 19 is connected to the fixing seat 15, the guide rail cylinder 18 drives the driving part 19 to move up and down in the vertical direction, and the driving part 19 drives the fixing seat 15 to move. When the transverse sealing device 2 is used for transversely sealing the strip-shaped package 8, the driving device 6 drives the transverse sealing device 2 to clamp the strip-shaped package 8 and pull the strip-shaped package 8 downwards to feed the strip-shaped package 8 into a cutting opening 10 of the cutting device 4 for cutting.

As shown in fig. 3 and 6, the cutting device 4 is connected to the machine body 1 and is arranged below the transverse sealing device 2, the cutting device 4 is connected with the swing limiting device 5, a limiting channel 11 formed by the swing limiting device 5 is arranged above the cutting device 4, the upper opening and the lower opening of the limiting channel 11 respectively correspond to the clamping opening 9 of the transverse sealing device 2 and the cutting opening 10 of the cutting device 4, and the swing limiting device 5 limits the strip-shaped package 8 to swing back and forth; the swing limiting device 5 comprises a fixed frame 32, three fixed clamping plates 35 and a movable clamping plate 37, the fixed frame 32 is connected to the cutting device 4 through a connecting piece 24, a fixed rod 34 is fixed on the fixed frame 32, the three fixed clamping plates 35 are vertically and fixedly connected to the fixed rod 34, the three fixed clamping plates 35 are enclosed to form a long groove with three folded edges and an opening, the included angle of the three continuous folded edges is 90 degrees, the movable clamping plate 37 is in sliding connection with the fixed frame 32, further, a first sliding long groove 33 penetrating through the fixed frame 32 is arranged on the fixed frame 32, the movable clamping plate 37 is connected with a sliding rod 38, the sliding rod 38 is vertically limited in the first sliding long groove 33, the sliding rod 38 drives the movable clamping plate 37 to horizontally move back and forth along the direction of the notch of the first sliding long groove 33 and can be locked on the fixed frame 32, and one end of the sliding rod 38 connected, the sliding rod 38 is locked on the fixed frame 32 through nuts clamped on two sides of the fixed frame 32, the movable clamping plate 37 covers an opening of a long groove surrounded by the three fixed clamping plates 35, the movable clamping plate 37 and the three fixed clamping plates 35 form a limiting channel 11 which penetrates up and down, and the movable clamping plate 37 slides forwards and backwards to enable the front and back width of the limiting channel 11 to be increased or decreased. The width comes the bar package 8 of the different thicknesses of adaptation through the front and back width that changes spacing passageway 11, because horizontal sealing device 2 is the relative clamping bar package 8 in front and back, both sides need laminate on bar package 8 or with the bar package 8 between only have less clearance around spacing passageway 11, avoid bar package 8 to receive extrusion fore-and-aft swing when violently sealing, and bar package 8 receives fore-and-aft extrusion can not appear horizontal hunting, therefore both sides need not the laminating on bar package 8 about spacing passageway 11, only need set up enough the width that holds bar package 8 can.

The upper ends of the fixed clamping plate 35 and the movable clamping plate 37 are both provided with bent guide inclined planes 36, and the guide inclined planes 36 form an obtuse angle with the outer side surface of the limiting channel 11. The guide ramps 36 allow the strip pack 8 to enter the limit channels 11 exactly.

The fixing frame 32 is provided with a second sliding long groove 39 penetrating through the fixing frame 32, the connecting piece 24 is inserted into the second sliding long groove 39 and is connected with the fixing frame 32 in a sliding manner, the fixing frame 32 is horizontally limited on the connecting piece 24, the fixing frame 32 vertically moves up and down along the direction of the notch of the second sliding long groove 39 and can be locked on the cutting device 4, the connecting piece 24 is a bolt, the head cover part of the bolt is clamped on the cutting device 4, the screw rod of the bolt penetrates through the cutting device 4 and is inserted into the second sliding long groove 39, the fixing frame 32 is locked on the cutting device 4 through a nut, further, the outer side of the fixing frame 32 is covered with a locking cover plate 25, the screw rod of the bolt penetrates through the locking cover plate 25 through the second sliding long groove 39, and the nut is screwed on the. The height position of the holder 32 is adjusted by moving the holder 32 up and down.

The fixing frame 32 is L-shaped, and the first sliding long groove 33 and the second sliding long groove 39 are respectively arranged on two folding edges of the fixing frame 32.

As shown in fig. 1, 4 and 5, the machine body 1 is connected with a displacement adjusting device 3, the cutting device 4 is connected to the displacement adjusting device 3, the displacement adjusting device 3 comprises an adjusting support 29, two second slide bars 31 are vertically arranged on the adjusting support 29, a slide block 30 is horizontally limited on the two second slide bars 31 and can vertically move in the vertical direction, a screw rod 28 is vertically inserted into the adjusting support 29 and connected with the slide block 30, the cutting device 4 is connected onto the slide block 30, and the screw rod 28 is rotated to drive the slide block 30 to drive the cutting device 4 to vertically move in the vertical direction. The height of the cutting device 4 is adjusted by turning the screw 28.

As shown in fig. 3 and 4, the cutting device 4 includes an installation frame 21 and a cutting cylinder 20 connected to the installation frame 21, the installation frame 21 is connected to a slider 30 on the displacement adjusting device 3, a cutting tool 23 is connected to a telescopic rod of the cutting cylinder 20, the cutting tool 23 and an inner side surface of the installation frame 21 form the cutting notch 10, the cutting cylinder 20 drives the cutting tool 23 to reciprocate back and forth in the installation frame 21, a knife edge of the cutting tool 23 touches an inner side surface of the installation frame 21 to cut off the strip-shaped package 8, two sides of the knife edge of the cutting tool 23 are provided with protruding positioning convex portions 27, a positioning hole 26 is formed in a side surface of the installation frame 21, and the positioning convex portions 27.

A third sliding long groove 22 penetrating through the left side surface of the mounting frame 21 is arranged, the connecting piece 24 penetrates through the third sliding long groove 22 and is inserted into the second sliding long groove 39, the connecting piece 24 is vertically limited in the third sliding long groove 22, the connecting piece 24 drives the swing limiting device 5 to move back and forth in the horizontal direction along the direction of the notch of the third sliding long groove 22, and the connecting piece 24 and the swing limiting device 5 can be locked on the mounting frame 21 through nuts. The front-rear position of the swing stopper 5 is adjusted by moving in the third sliding long groove 22.

The operation principle is as follows: the continuous strip-shaped packaging pieces 8 are conveyed to the transverse sealing device 2 after being subjected to side sealing and filling, the transverse sealing device 2 clamps and seals the position to be sealed of one strip-shaped packaging piece 8 in a front-back manner, meanwhile, the driving device 6 drives the transverse sealing device 2 to pull the strip-shaped packaging piece 8 downwards, the strip-shaped packaging piece 8 falls into a cutting opening 10 of the cutting device 4 through a limiting channel 11 of the swing limiting device 5 to be cut, when the sealing positions of two adjacent strip-shaped packaging pieces 8 at the lowest end are just positioned at the cutting opening 10 of the cutting device 4, the driving device 6 stops driving the transverse sealing device 2 to move downwards, at the moment, a cutting tool 23 of the cutting device 4 moves back and forth to cut the strip-shaped packaging piece 8 at the lowest end, and the driving device 6 drives the transverse sealing device 2 to move upwards to circulate the transverse sealing and the operation of pulling the.

It is right above the utility model provides a vertical packagine machine seals cutting device in step and has carried out detailed introduction, and it is right to have used specific individual example herein the utility model discloses a principle and implementation mode have been elucidated, and the description of above embodiment is only used for helping to understand the utility model discloses and core thought. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. The synchronous sealing and cutting device of the vertical packaging machine is characterized by comprising a machine body, wherein a transverse sealing device and a cutting device are connected on the machine body, the transverse sealing device is horizontally limited on the machine body and can be opened and closed back and forth and clamped at a position to be sealed of a strip-shaped packaging piece, a driving device is arranged on the machine body to drive the transverse sealing device to reciprocate vertically, the cutting device is arranged below the transverse sealing device,

2. The synchronous sealing and cutting device of the vertical packaging machine as claimed in claim 1, wherein the swing limiting device comprises a fixed frame, three fixed clamping plates and a movable clamping plate, the fixed frame is connected to the cutting device through a connecting piece, the three fixed clamping plates and the movable clamping plate form a limiting channel which penetrates through the fixed frame from top to bottom, the three fixed clamping plates are fixedly connected with the fixed frame, the movable clamping plate is connected with the fixed frame in a sliding manner, and the movable clamping plate slides back and forth to enable the front and rear width of the limiting channel to be increased or decreased.

3. The synchronous sealing and cutting device of the vertical packaging machine as claimed in claim 2, wherein the fixed frame is provided with a first sliding long groove therethrough, the movable clamping plate is connected with a sliding rod, the sliding rod is vertically limited in the first sliding long groove, the sliding rod drives the movable clamping plate to move horizontally back and forth along the direction of the notch of the first sliding long groove and can be locked on the fixed frame, and the movable clamping plate moves to make the front and rear width of the limiting channel larger or smaller.

4. The synchronous sealing and cutting device of the vertical packing machine as claimed in claim 2, wherein the upper ends of the fixed clamping plate and the movable clamping plate are provided with bent guide inclined planes, and the guide inclined planes form an obtuse angle with the outer side surface of the limit passage.

5. The synchronous sealing and cutting device of the vertical packaging machine as claimed in claim 3, wherein the fixing frame is provided with a second sliding long groove therethrough, the connecting member is inserted into the second sliding long groove to be slidably connected with the fixing frame, the fixing frame is horizontally limited on the connecting member, and the fixing frame vertically moves up and down along the direction of the opening of the second sliding long groove and can be locked on the cutting device.

6. The synchronous seal cutting device of a vertical packaging machine as claimed in claim 5, wherein said fixing frame is "L" shaped, and said first sliding slot and said second sliding slot are respectively provided on two folded edges of said fixing frame.

7. The synchronous sealing and cutting device of the vertical packaging machine as claimed in claim 1, wherein the cutting device is connected with a displacement adjusting device, the displacement adjusting device is connected with the machine body, the displacement adjusting device comprises an adjusting bracket and a slide block horizontally limited on the adjusting bracket, a screw rod is vertically inserted into the adjusting bracket and connected with the slide block, the cutting device is connected with the slide block, and the slide block is driven by rotating the screw rod to drive the cutting device to vertically move up and down.

8. The synchronous sealing and cutting device of the vertical packaging machine as claimed in claim 7, wherein the cutting device comprises a mounting frame and a cutting cylinder connected to the mounting frame, the mounting frame is connected to the displacement adjusting device, a cutting tool is connected to a telescopic rod of the cutting cylinder, the cutting tool and the inner side surface of the mounting frame form the cutting opening, the cutting cylinder drives the cutting tool to reciprocate back and forth in the mounting frame, and the knife edge of the cutting tool touches the inner side surface of the mounting frame to cut off the strip-shaped packaging piece.

9. The synchronous sealing and cutting device of the vertical packaging machine as claimed in claim 8, wherein a third sliding long groove is provided on the side of the mounting frame, the swing limiting device is connected with the mounting frame through a connecting member, the connecting member is vertically limited in the third sliding long groove, the connecting member drives the swing limiting device to move back and forth horizontally along the direction of the notch of the third sliding long groove, and the connecting member and the swing limiting device can be locked on the mounting frame.

10. The synchronous sealing and cutting device of a vertical packaging machine as claimed in claim 1, wherein the horizontal sealing device comprises a fixed seat and two horizontal sealing components, the two horizontal sealing components are oppositely arranged on the fixed seat in a front-back direction and can be clamped, the clamping opening is formed between the two horizontal sealing components, the driving device comprises a guide rail cylinder and a driving part connected to the guide rail cylinder, the driving part is connected with the fixed seat, the fixed seat is horizontally limited on the machine body, the guide rail cylinder drives the driving part to move up and down in a vertical direction and the driving part drives the fixed seat to move.