CN210826667U

CN210826667U - Template machine and driving guide rail thereof

Info

Publication number: CN210826667U
Application number: CN201920901395.0U
Authority: CN
Inventors: 胡贤挺
Original assignee: Ningbo Haitingwei Precision Guide Co ltd
Current assignee: Ningbo Haitingwei Precision Guide Co ltd
Priority date: 2019-06-15
Filing date: 2019-06-15
Publication date: 2020-06-23
Anticipated expiration: 2029-06-15

Abstract

The utility model discloses a template machine and a driving guide rail thereof, which comprises a guide rail seat, a belt transmission mechanism and a pulley mechanism, wherein the pulley mechanism comprises a driving plate accommodated in a transmission cavity, a seat plate connected with the driving plate and extending out of a sliding port, a template fixing seat connected with the seat plate and a dustproof assembly, the template fixing seat comprises a dustproof sheet used for opening and closing the sliding port and two ends of which are fixed on the guide rail seat, and a plurality of magnets arranged on the guide rail seat and used for attracting the dustproof sheet; wherein, first guide way has been seted up to the up end of bedplate, dustproof piece part inlays locates first guide way in, the bottom of template fixing base is provided with to extend and the tip is contradicted in two guide blocks on dustproof piece surface to dustproof piece one side, two guide blocks distribute in the both ends of first guide way, dustproof piece is spacing to play the direction spacing in first guide way, it exerts pressure the effect to play the direction to dustproof piece to set up two guide blocks simultaneously on the template fixing base, the clearance between dustproof piece and the mouth that slides has been reduced, reach the dustproof effect of preferred.

Description

Template machine and driving guide rail thereof

Technical Field

The utility model belongs to the technical field of sewing equipment's technique and specifically relates to a template machine and drive guide rail thereof is related to.

Background

Template sewing machine is called template machine for short, and refers to sewing equipment which is combined with a clothing template technology to carry out practical application, and the template sewing machine drives a guide rail to drive a template to move relative to a machine head through an X axis and a Y axis when working. In a sewing workshop, a lot of other dust such as silk, hemp, cotton wool and the like usually exists, and the transmission precision of the guide rail is influenced when the dust enters the guide rail.

In order to solve the dustproof problem of the guide rail, a screw rod driven linear module is disclosed in the patent with the publication number of CN207297781U, and a U-shaped opening is sealed by arranging a magnetic strip adsorption magnetic strip, so that the dustproof effect is achieved. Secondly, still be provided with two first gyro wheels and be located the second gyro wheel between two first gyro wheels in the casing, the magnetic stripe realizes rolling friction with first, second gyro wheel, and then reduces the moving part when sliding and the frictional force between the magnetic stripe. However, the first and second rollers complicate the structure of the entire moving member, and thus the manufacturing cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a first purpose provides a drive guide rail with dustproof function and simple structure.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a drive rail, comprising:

the guide rail seat is hollow and provided with a transmission cavity, and one side wall of the guide rail seat is provided with a sliding port communicated with the transmission cavity;

a belt drive mechanism;

the pulley mechanism is driven by the belt transmission mechanism to slide and comprises a drive plate accommodated in the transmission cavity, a seat plate connected with the drive plate and extending out of the sliding port and a template fixing seat connected with the seat plate; and the number of the first and second groups,

the dustproof assembly comprises a dustproof sheet and a plurality of magnets, wherein the dustproof sheet is used for opening and closing the sliding opening, and two ends of the dustproof sheet are fixed on the guide rail seat;

the upper end face of the seat plate is provided with a first guide groove, the dustproof sheet is partially embedded in the first guide groove, the bottom of the template fixing seat is provided with two guide blocks which extend towards one side of the dustproof sheet and the end parts of the two guide blocks are abutted to the surface of the dustproof sheet, and the two guide blocks are distributed at two ends of the first guide groove.

By adopting the technical scheme, the pulley mechanism is driven by the belt transmission mechanism to slide, the transmission efficiency is higher by utilizing the belt transmission mechanism than that of a screw-nut transmission mode, and the requirement on installation accuracy is relatively lower; set up the dustproof piece for reaching dirt-proof effect, set up first guide way on the bedplate, make the bedplate can inlay all the time and establish in first guide way when sliding dustproof piece, and reach better limiting displacement, two guide blocks simultaneously slide spacingly enough to the upper surface of dustproof piece, and the height of guide block can be adjusted, the range of pushing down to the dustproof piece is just big more highly big more, and the range that the dustproof piece was pushed down has decided and has slided the interval size between the mouth, the interval is little the dust is just little from the space that enters into in the guide rail seat more, dustproof effect is just better, the guide block only needs height-adjusting size simultaneously, can keep unchangeable to length and width, whole space that occupies is less, the overall structure is simplified, the installation degree of difficulty of whole guide rail has been reduced.

Preferably, a wear-resistant plate is further arranged in the first guide groove, and the dust-proof plate abuts against the upper surface of the wear-resistant plate.

Through adopting above-mentioned technical scheme, the setting of wear pad replaces the bedplate to rub with the dustproof piece, reduces the damping when the bedplate slides, improves the smooth and easy nature when coaster mechanism slides, has reduced the frictional wear between dustproof piece and the bedplate simultaneously, improves life between them.

Preferably, the two ends of the wear-resistant plate are provided with support lugs, and the support lugs are connected to the side walls of the seat plate through fasteners.

Through adopting above-mentioned technical scheme, the wear pad utilizes the journal stirrup of both sides to be connected with the lateral wall of bedplate for the fastener that is used for fixed wear pad can avoid interfering with the dust piece and cause the scraping to the dust piece, guarantees simultaneously that the wear pad surface need not the fastener and fixes in first guide way, and then guarantees that the wear pad surface is smooth, has reduced the damping between dust piece and the wear pad, improves the smooth and easy nature when coaster mechanism slides.

Preferably, the first guide groove has first guide surfaces disposed obliquely on both sides of a groove bottom thereof.

Through adopting above-mentioned technical scheme, the dustproof piece is entering into first guide way under the exerting pressure of two guide blocks, and first spigot surface at first can play the direction to the dustproof piece and introduce the effect, and its first guide way of next time makes the middle part protruding because setting up of two first spigot surfaces, plays the tight effect that rises to the dustproof piece, and then improves the tightness of pasting of dustproof piece when sealing the mouth that slides, better promotion dustproof effect.

Preferably, the template fixing seat is provided with a notch for clamping the seat plate and a second guide groove communicated with the notch, two ends of the second guide groove are communicated with guide grooves, and a guide surface is obliquely arranged in the guide grooves, wherein after the template fixing seat is connected with the seat plate, the first guide groove is communicated with the second guide groove to form a guide channel, and the dustproof sheet is arranged in the guide channel in a penetrating manner.

Through adopting above-mentioned technical scheme, the breach on the template fixing base make and can reach quick location cooperation between the bedplate, both cooperation backs, the second guide way on the template fixing base merges with first guide way and forms a guide way, realizes complete spacing to the dust sheet on the horizontal direction, seting up of guiding groove and play further direction introduction effect in entering into guide way to the dust sheet.

Preferably, the guide rail seat is provided with parallel mounting grooves on two sides of the sliding opening, and the magnets are embedded in the mounting grooves at intervals.

Through adopting above-mentioned technical scheme, arrange the magnet in the mounting groove, can play spacingly to the magnet, the magnet can make the dustproof piece have better actuation under better spacing circumstances, reaches better dustproof effect.

Preferably, the belt transmission mechanism includes a synchronous belt, a primary synchronous pulley and a secondary synchronous pulley engaged with the synchronous belt, and a driving motor for driving the primary synchronous pulley, and both ends of the synchronous belt are respectively connected to both ends of the driving plate.

Through adopting above-mentioned technical scheme, driving motor drives the rotation of primary synchronous pulley, and primary synchronous pulley drives the hold-in range rotation again, and then drives the sliding of drive plate, and the hold-in range transmission has higher transmission efficiency.

Preferably, the both ends of drive plate are connected with a fastener, the fastener is seted up and is supplied the hold-in range one end to wear to establish and is located an at least socket of a mouthful top of stepping down, the both ends of drive plate have can block and locate the intraoral inserted block of socket, and wherein, the one end of hold-in range curls and forms a spacing portion, be provided with spacing post in the spacing portion, the length of spacing post is greater than the length of socket.

By adopting the technical scheme, the connection between the driving plate and one end of the synchronous belt is realized by using the clamping piece, the insertion block of the driving plate is convenient to insert into the socket to realize preliminary positioning, the clamping piece is convenient to further connect with the driving plate, one end of the synchronous belt penetrates through the position-giving opening and is curled to form the limiting part, and the limiting part is clamped at one end of the position-giving opening by using the limiting column after being curled, so that the connection between the synchronous belt and the driving plate is realized; the setting of fastener is convenient for adjust the tight degree that rises of belt, and the fastener is connected with the drive plate and is inseparable the hold-in range tight amplitude that rises just more big, and the condition that reduces the hold-in range and skid appears, guarantees the stability of guide rail during operation.

Preferably, the pulley mechanism further comprises at least one sliding trolley fixed at the bottom of the drive plate, a straight guide rail is further arranged in the guide rail seat, the sliding trolley comprises a plurality of guide wheels distributed on two sides of the straight guide rail, and the guide wheels are in rolling connection with the straight guide rail.

Through adopting above-mentioned technical scheme, the guidance quality when whole coaster mechanism slides is improved in the slip between dolly that slides and the straight guide rail, and then promotes the transmission precision of drive guide rail, sets up a plurality of dollies that slide according to the stroke of drive guide rail, improves the transmission precision.

The second purpose of the utility model is to provide a long service life's template machine.

a template machine comprises the driving guide rail.

Through adopting above-mentioned technical scheme, set up dustproof subassembly on the drive guide rail for the during operation can reduce the dust and enter into in the guide rail and influence the transmission precision, and reduce the wearing and tearing of dust to the guide rail inner part, improve the life of drive guide rail, and then improve template machine's life.

To sum up, the utility model discloses a beneficial technological effect does:

1. the first guide groove is formed in the base plate, the dustproof sheet is limited in the first guide groove to achieve guiding and limiting, and meanwhile, the two guide blocks are arranged on the template fixing seat to achieve guiding and pressing effects on the dustproof sheet, so that a gap between the dustproof sheet and the sliding opening is reduced, a better dustproof effect is achieved, and meanwhile, the dustproof structure is simple and the manufacturing cost is lower;

2. damping between the wear-resistant sheet and the dustproof sheet is reduced by arranging the wear-resistant sheet in the first guide groove, and meanwhile, the two sides of the first guide groove are provided with inclined first guide surfaces to facilitate installation and introduction of the dustproof sheet, and meanwhile, the opposite two ends of the middle area of the first guide groove are raised, so that the dustproof sheet is tensioned, the dustproof sheet is better attached to the surface of the guide rail seat, and the dustproof effect is improved;

3. the notch is formed in the template fixing seat, so that the rapid installation and positioning between the template fixing seat and the seat plate are facilitated, the second guide groove is formed in the template fixing seat, the first guide groove and the second guide groove are mutually communicated to form a guide channel after the first guide groove and the second guide groove are combined, a better guide effect is achieved on the dustproof sheet, the two guide grooves are formed in the template fixing seat, the dustproof sheet is convenient to guide and introduce, and the convenience in installation is improved;

4. through setting up the fastener and being convenient for at first being connected between drive plate and the hold-in range, utilize interval adjustment between fastener and the drive plate to realize the tight regulation of rising of hold-in range simultaneously, improve the stability of guide rail during operation.

Drawings

FIG. 1 is a schematic structural diagram of a driving rail according to a first embodiment;

FIG. 2 is a schematic view of the connection between the belt drive mechanism and the pulley mechanism according to the first embodiment;

FIG. 3 is a schematic view of the connection between the sliding cart and the straight guide rail according to the first embodiment;

FIG. 4 is a schematic diagram illustrating the connection between the driving plate and the timing belt according to the first embodiment;

FIG. 5 is a schematic view illustrating the installation of a dust-proof sheet according to a first embodiment;

FIG. 6 is an enlarged view of portion A of FIG. 5;

FIG. 7 is a schematic view of a fixing base of an intermediate template according to an embodiment;

FIG. 8 is a schematic view illustrating the installation of the dust-proof sheet between the mold plate holder and the seat plate according to the first embodiment;

FIG. 9 is an enlarged view of portion B of FIG. 8;

fig. 10 is a schematic view of the connection between the sliding trolley and the straight guide rail in the second embodiment.

In the figure, 1, a guide rail seat; 11. a mounting seat; 12. a reduction gearbox; 13. a transmission cavity; 14. a sliding port; 15. mounting grooves; 2. a dust-proof sheet; 21. a magnet; 3. a belt drive mechanism; 31. a drive motor; 32. a primary timing pulley; 33. a secondary timing pulley; 34. a synchronous belt; 341. a limiting part; 342. a limiting column; 35. a bevel gear; 4. a pulley mechanism; 41. a drive plate; 411. inserting a block; 42. a seat plate; 421. a first guide groove; 4211. a first guide surface; 43. a sliding trolley; 431. mounting a plate; 432. a guide wheel; 4321. a ring groove; 4322. a third guide surface; 44. a straight guide rail; 441. a main body; 442. a shaft rail; 443. a second guide surface; 45. a fastener; 451. a socket; 452. a let position port; 453. a countersunk hole; 46. a template fixing seat; 461. a notch; 462. a second guide groove; 463. a guide groove; 464. a clamping groove; 465. a guide block; 47. a guide channel; 5. a wear resistant sheet; 51. and (6) supporting the ear.

Detailed Description

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

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Example one

Referring to fig. 1 to 3 together, a driving rail includes a rail seat 1, a belt transmission mechanism 3, and a pulley mechanism 4. The guide rail seat 1 is made of aluminum section, the interior of the guide rail seat is hollow to form a transmission cavity 13, and two ends of the guide rail seat are respectively connected with a mounting seat 11; the belt transmission mechanism 3 includes a synchronous belt 34 accommodated in the transmission chamber 13, a primary synchronous pulley 32 and a secondary synchronous pulley 33 engaged with the synchronous belt 34, and a driving motor 31, and the driving motor 31 is connected with the primary synchronous pulley 32 through a speed reducer.

The primary synchronous pulley 32 and the secondary synchronous pulley 33 are respectively arranged in the two mounting seats 11, the reducer comprises a reduction gearbox 12 and two mutually meshed bevel gears 35 arranged in the reduction gearbox 12, wherein one bevel gear 35 is connected with the driving motor 31, and the other bevel gear 35 is connected with the primary synchronous pulley 32.

The pulley mechanism 4 comprises a driving plate 41 accommodated in the transmission cavity 13, a seat plate 42 connected above the driving plate 41, a template fixing seat 46 connected with the seat plate 42, and a sliding trolley 43 installed on the lower end face of the driving plate 41. The two ends of the driving plate 41 are connected with the two ends of the synchronous belt 34 through a fastener 45, and then the synchronous belt 34 drives the displacement of the driving plate 41 when moving, and further drives the sliding of the whole pulley mechanism 4. The straight guide rail 44 is installed along the length direction in the guide rail seat 1, and the sliding trolley 43 in this embodiment is provided with two parts, and the two sliding trolleys 43 have a certain distance and are connected with the straight guide rail 44 in a sliding manner.

The sliding trolley 43 comprises a mounting plate 431 connected with the driving plate 41, a plurality of guide wheels 432 are arranged at the bottom of the mounting plate 431, and the guide wheels 432 are symmetrically distributed on two sides of the straight guide rail 44. The straight guide rail 44 includes an integrated main body 441 and an axle rail 442 located at two sides of the main body 441, wherein the guide wheel 432 is provided with a ring groove 4321, and the axle rail 442 is clamped in the ring groove 4321 to realize rolling fit between the guide wheel 432 and the axle rail 442.

Referring to fig. 4, two ends of the driving plate 41 are respectively provided with two insertion blocks 411, a certain distance is formed between the two insertion blocks 411, the clamping piece 45 is provided with a socket 451 for clamping the two insertion blocks 411, a countersunk hole 453 is formed between the two sockets 451, the clamping piece 45 is connected with the driving plate 41 through a screw (not shown in the figure), the screw is arranged in the countersunk hole 453 in a penetrating manner, and the tightness between the clamping piece 45 and the driving plate 41 can be realized through adjusting the screwing degree between the screw and the driving plate 41.

The one end of hold-in range 34 can be passed and let a mouthful 452, and hold-in range 34 one end after passing is curled and is formed spacing portion 341, and the one end after curling is passed through the hot melt mode and is connected with the area body part of hold-in range 34, still wears to be equipped with a spacing post 342 in spacing portion 341, and the length of this spacing post 342 will be greater than the width that lets a mouthful 452 for spacing post 342 can support to realize hold-in range 34 and fastener 45 spacing in the direction on the terminal surface of fastener 45.

Referring to fig. 5 and fig. 6 together, the driving rail further includes a dustproof assembly, the dustproof assembly includes a strip-shaped dustproof sheet 2, a sliding opening 14 communicated with the transmission cavity 13 is formed in one end surface of the rail seat 1, and the opening direction of the sliding opening 14 is parallel to the sliding direction of the pulley mechanism 4; still seted up two parallel mounting grooves 15 on being in the guide rail seat 1 terminal surface of 14 homonymies of mouth that slides, two mounting grooves 15 distribute in the both sides of the mouth 14 that slides, are provided with a plurality of interval distribution's magnet 21 in every mounting groove 15, and dustproof piece 2 is the manganese steel sheet in this embodiment, and both ends are fixed respectively on two mount pads 11, and dustproof piece 2 can be closed the mouth 14 that will slide under the absorption of a plurality of magnets 21, and then reduces the dust and enter into in the guide rail seat 1 from the mouth 14 that slides.

Referring to fig. 3 and 5, the seat plate 42 extends from the sliding opening 14, the template fixing seat 46 is provided with a notch 461, the seat plate 42 can be clamped in the notch 461, and the fastening connection between the seat plate and the template fixing seat is realized by a plurality of screws. The upper end surface of the seat plate 42 is provided with a first guide groove 421, and two ends of the first guide groove 421 are provided with first guide surfaces 4211 which are obliquely arranged, so that the bottom of the first guide groove 421 has a certain gradient. The wear-resistant plate 5 is arranged in the first guide groove 421, the two ends of the wear-resistant plate 5 are provided with the support lugs 51, and the support lugs 51 are fixed on the side wall of the seat plate 42 through screws, so that the wear-resistant plate 5 is installed in the first guide groove 421.

Referring to fig. 7 to 9, the bottom of the template fixing seat 46 is further provided with a second guiding groove 462, the second guiding groove 462 is communicated with the notch 461, two sides of the second guiding groove 462 are further communicated with a guiding groove 463, a clamping groove 464 is formed in the guiding groove 463, a guiding block 465 is arranged in the clamping groove 464, and an end of the guiding block 465 extends from the clamping groove 464 to one side of the seat plate 42.

After the template fixing seat 46 is connected to the seat plate 42, the first guide groove 421 and the second guide groove 462 are communicated to form a guide channel 47, and the two guide grooves 463 are respectively located at two ends of the guide channel 47. The dust-proof sheet 2 is partially limited in the first guide groove 421, the wear-resistant sheet 5 is positioned below the dust-proof sheet 2, and the whole dust-proof sheet 2 penetrates from the guide groove 463 at one side and penetrates out from the guide groove 463 at the other side through the guide channel 47. The tip of two guide blocks 465 is contradicted in the upper surface of dustproof piece 2, and guide block 465 highly big, the laminating degree between dustproof piece 2 and the guide rail seat 1 just is big more, and dustproof effect is just more obvious.

Particularly, the guide block 465 and the wear-resistant plate 5 are made of polytetrafluoroethylene, so that the wear resistance and the self-lubrication are good, the damping between the seat plate 42 and the dust-proof plate 2 during sliding is reduced, the friction and the wear between the seat plate 42 and the dust-proof plate are reduced, and the service life is prolonged.

When the driving guide rail works, the driving motor 31 drives the main synchronous belt pulley 32 to rotate through the speed reducer, the main synchronous belt pulley 32 drives the synchronous belt 34 to rotate, and the synchronous belt 34 drives the whole pulley mechanism 4 to slide. When the seat plate 42 slides, the dust-proof sheet 2 is scooped up, but the dust-proof sheets 2 on both sides of the seat plate 42 can be better attached to the guide rail seat 1 due to the arrangement of the guide block 465. After the seat plate 42 slides, the dust-proof sheet 2 is sucked under the action of the magnet 21 to seal the sliding opening 14.

Example two

Referring to fig. 10, a driving guide rail is different from the first embodiment in that third guide grooves are formed in two sides of a straight guide rail 44, two second guide surfaces 443 are symmetrically arranged in the third guide grooves, guide wheels 432 are partially embedded in the third guide grooves, each guide wheel 432 is provided with a third guide surface 4322 which is in contact with the second guide surface 443, and the guide sliding of the sliding cart 43 is realized through the second guide surface 443 and the third guide surfaces 4322.

EXAMPLE III

A stencil machine comprising the drive rail of embodiment one or embodiment two.

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

Claims

1. A drive rail, comprising:

the guide rail seat (1) is internally hollow and provided with a transmission cavity (13), and one side wall of the guide rail seat (1) is provided with a sliding opening (14) communicated with the transmission cavity (13);

a belt transmission mechanism (3);

the pulley mechanism (4) is driven by the belt transmission mechanism (3) to slide and comprises a drive plate (41) accommodated in the transmission cavity (13), a seat plate (42) connected with the drive plate (41) and extending out from the sliding opening (14) and a template fixing seat (46) connected with the seat plate (42); and the number of the first and second groups,

the dustproof assembly comprises a dustproof sheet (2) which is used for opening and closing the sliding opening (14) and two ends of which are fixed on the guide rail seat (1), and a plurality of magnets (21) which are arranged on the guide rail seat (1) and used for attracting the dustproof sheet (2);

the upper end face of the seat plate (42) is provided with a first guide groove (421), the dustproof sheet (2) is partially embedded in the first guide groove (421), the bottom of the template fixing seat (46) is provided with two guide blocks (465) which extend to one side of the dustproof sheet (2) and the end of each guide block (465) is abutted to the surface of the dustproof sheet (2), and the two guide blocks (465) are distributed at two ends of the first guide groove (421).

2. The drive rail according to claim 1, characterized in that a wear plate (5) is further arranged in the first guide groove (421), and the dust-proof plate (2) abuts against the upper surface of the wear plate (5).

3. The drive rail according to claim 2, characterized in that the wear plate (5) is provided with lugs (51) at both ends, the lugs (51) being connected to the side walls of the seat plate (42) by means of fasteners.

4. Drive rail according to claim 1, characterized in that the first guide groove (421) has obliquely arranged first guide surfaces (4211) on both sides of the groove bottom.

5. The drive rail according to claim 1, wherein the form holder (46) is provided with a notch (461) for the seat plate (42) to be clamped and a second guide groove (462) communicated with the notch (461), two ends of the second guide groove (462) are communicated with a guide groove (463), the guide groove (463) is provided therein with a guide surface arranged obliquely, wherein after the form holder (46) is connected with the seat plate (42), the first guide groove (421) is communicated with the second guide groove (462) to form a guide channel (47), and the dust-proof sheet (2) is inserted into the guide channel (47).

6. The drive guide rail according to claim 1, wherein the guide rail seat (1) is provided with parallel mounting grooves (15) at two sides of the sliding opening (14), and the magnets (21) are embedded in the mounting grooves (15) at intervals.

7. The drive rail according to claim 1, wherein the belt transmission mechanism (3) includes a timing belt (34), a primary timing pulley (32) and a secondary timing pulley (33) engaged with the timing belt (34), and a drive motor (31) for driving the primary timing pulley (32), and both ends of the timing belt (34) are connected to both ends of the drive plate (41), respectively.

8. The drive rail according to claim 7, wherein two ends of the drive plate (41) are connected with a fastener (45), the fastener (45) is provided with a yielding port (452) through which one end of the synchronous belt (34) passes and at least one socket (451) above the yielding port (452), two ends of the drive plate (41) are provided with insertion blocks (411) which can be clamped in the socket (451), one end of the synchronous belt (34) is curled to form a limiting part (341), a limiting column (342) is arranged in the limiting part (341), and the length of the limiting column (342) is greater than that of the socket (451).

9. The drive rail according to claim 7, wherein the trolley mechanism (4) further comprises at least one sliding trolley (43) fixed at the bottom of the drive plate (41), a straight guide rail (44) is further arranged in the rail seat (1), the sliding trolley (43) comprises a plurality of guide wheels (432) distributed on two sides of the straight guide rail (44), and the guide wheels (432) are in rolling connection with the straight guide rail (44).

10. A stencil machine comprising a drive rail according to any one of claims 1 to 9.