阅读说明：本技术 多工位直线模组 (Multi-station linear module ) 是由 聂新贤 蒋国雄 于 2021-07-12 设计创作，主要内容包括：本发明实施例提供了一种多工位直线模组,包括底座、丝杆、驱动组件和滑块,丝杆设置有多个,且多个丝杆均转动连接与底座,驱动组件与底座连接,用于驱动丝杆进行旋转,由于驱动组件对应丝杆设置有多个,滑块滑动连接于底座上的滑轨,滑块对应丝杆设置有供丝杆穿过的第一通孔,各个滑块上均连接有传动螺母,传动螺母套设于丝杆上,能够在驱动组件驱动丝杆旋转的作用下带动滑块沿丝杆运动,因此丝杆由独立的驱动组件驱动,而各个滑块穿过丝杆设置,单个丝杆上套设的传动螺母仅与单个滑块连接,因此本发明实施例的多工位直线模组,能够实现直线模组各个工位的独立运动控制,且各个工位的运动范围能够重叠,提高了使用的便利性。(The embodiment of the invention provides a multi-station linear module, which comprises a base, a plurality of screw rods, a driving assembly and a sliding block, wherein the screw rods are arranged, the screw rods are all rotatably connected with the base, the driving assembly is connected with the base and is used for driving the screw rods to rotate, the driving assembly is provided with a plurality of sliding rails corresponding to the screw rods, the sliding block is slidably connected with a sliding rail on the base, the sliding block is provided with a first through hole for the screw rods to pass through corresponding to the screw rods, each sliding block is connected with a transmission nut, the transmission nut is sleeved on the screw rods and can drive the sliding block to move along the screw rods under the action of the driving assembly driving the screw rods to rotate, so the screw rods are driven by the independent driving assemblies, each sliding block passes through the screw rods, and the transmission nut sleeved on each screw rod is only connected with one sliding block, therefore, the multi-station linear module of the embodiment of the invention can realize the independent motion control of each station of the linear module, and the motion ranges of all the stations can be overlapped, so that the use convenience is improved.)

1. Straight line module of multistation, its characterized in that includes:

a base provided with a slide rail;

a plurality of screw rods are arranged in parallel to the slide rail, and the plurality of screw rods are rotationally connected to the base;

the driving assemblies are connected to the base, a plurality of driving assemblies are arranged in one-to-one correspondence with the screw rods, and the driving assemblies are used for driving the screw rods to rotate;

the sliding blocks are connected to the sliding rails in a sliding mode, and the sliding blocks and the screw rods are arranged in a one-to-one correspondence mode; the sliding block is provided with a plurality of first through holes, the first through holes are in one-to-one correspondence with the screw rods, and the first through holes are used for the screw rods corresponding to the first through holes to pass through; and each slide block is connected with a transmission nut, the transmission nut is sleeved on the screw rod corresponding to the slide block, and the transmission nut is used for driving the slide block to move along the screw rod under the action of driving the screw rod to rotate by the driving assembly.

2. The multi-station linear module according to claim 1, wherein the base further comprises a first side plate and a second side plate for fixing a screw, the first side plate is disposed at a first end of the base, and the second side plate is disposed at a second end of the base; the first side plate is connected with a first fixed seat used for bearing the lead screw, and the second side plate is connected with a second fixed seat used for bearing the lead screw; the first fixing seat is provided with first blind holes, and the second side plate is provided with second through holes for the screw rods to pass through, corresponding to the first blind holes one by one; the second fixing base is provided with a second blind hole, the first side plate corresponds to the second blind hole in a one-to-one mode, a third through hole used for allowing the lead screw to penetrate is formed in the second blind hole, one end of the lead screw is fixed in the first blind hole, the other end of the lead screw penetrates through the second fixing base and the second through hole corresponding to the first blind hole, or one end of the lead screw is fixed in the second blind hole, and the other end of the lead screw penetrates through the first fixing base and the third through hole corresponding to the second blind hole.

3. The multi-station linear module according to claim 2, wherein the driving assembly comprises a first motor for driving the screw rod to rotate, the first motor is disposed on the first side plate, the number of the first motors corresponds to the number of the third through holes, a transmission shaft of the first motor penetrates through the first side plate, and the transmission shaft of the first motor and one end of the screw rod penetrating through the first side plate are located on the same side of the first side plate.

4. The multi-station linear module according to claim 3, wherein the driving assembly further comprises a first lead screw synchronizing wheel connected to one end of the lead screw passing through the third through hole, and a first motor synchronizing wheel connected to a transmission shaft of the first motor, a first synchronizing belt for realizing the synchronous rotation of the first lead screw synchronizing wheel and the first motor synchronizing wheel is arranged between the first lead screw synchronizing wheel and the first motor synchronizing wheel, and the first synchronizing belt is arranged between a single first lead screw driving wheel and a corresponding single first motor synchronizing wheel.

5. The multi-station linear module according to claim 2, wherein the driving assembly comprises second motors for driving the lead screws to rotate, the second motors are disposed on the second side plate, the number of the second motors corresponds to the number of the second through holes, transmission shafts of the second motors penetrate through the second side plate, and the transmission shafts of the second motors and one ends of the lead screws penetrating through the second side plate are located on the same side of the second side plate.

6. The multi-station linear module according to claim 5, wherein the driving assembly further comprises a second lead screw synchronizing wheel connected to one end of the lead screw passing through the second through hole, and a second motor synchronizing wheel connected to a transmission shaft of the second motor, a second synchronous belt for realizing synchronous rotation of the second lead screw synchronizing wheel and the second motor synchronizing wheel is arranged between the second lead screw synchronizing wheel and the second motor synchronizing wheel, and only one second synchronous belt is arranged between a single second lead screw driving wheel and a corresponding single second motor synchronizing wheel.

7. The multi-station linear module according to claim 1, wherein a first sliding groove is formed in the lower portion of the sliding block, and a ball bearing used for bearing the sliding block to move is arranged in the sliding groove; the base is provided with a second sliding groove corresponding to the first sliding groove, and the ball can roll between the first sliding groove and the second sliding groove.

8. The multi-station linear module according to claim 7, wherein the number of the first sliding grooves is two, one first sliding groove is arranged at the lower part of the left side surface of the sliding block, and the other first sliding groove is arranged at the lower part of the right side surface of the sliding block.

9. The multi-station linear module according to claim 1, further comprising a cover plate covering the base, wherein a first cavity for accommodating the lead screw is formed between the cover plate and the base; the upper portion of the sliding block is provided with a second cavity for the cover plate to penetrate through, the upper portion of the sliding block is located outside the first cavity, and the lower portion of the sliding block is located inside the first cavity.

10. The multi-station linear module according to claim 1, wherein the first end of the base and the second end of the base are both connected with a photoelectric switch for detecting the position of the slide block, and the slide block is connected with a contact piece for triggering the photoelectric switch.

Technical Field

The embodiment of the invention relates to the technical field of linear modules, but not limited to the technical field of linear modules, in particular to a multi-station linear module.

Background

The linear module is a transmission device capable of providing linear motion, and has wide application in the field of industrial automation. According to the existing multi-station linear module, independent motion control cannot be realized for each station, and the motion ranges of the stations cannot be overlapped, so that inconvenience in use is caused.

Disclosure of Invention

The following is a summary of the subject matter described in detail herein. This summary is not intended to limit the scope of the claims.

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides the multi-station linear module, which can realize independent motion control of each station of the linear module, and the motion ranges of the stations can be overlapped, so that the use convenience is improved.

The multi-station linear module according to the embodiment of the invention comprises:

a base provided with a slide rail;

a plurality of screw rods are arranged in parallel to the slide rail, and the plurality of screw rods are rotationally connected to the base;

the driving assemblies are connected to the base, a plurality of driving assemblies are arranged in one-to-one correspondence with the screw rods, and the driving assemblies are used for driving the screw rods to rotate;

the sliding blocks are connected to the sliding rails in a sliding mode, and the sliding blocks and the screw rods are arranged in a one-to-one correspondence mode; the sliding block is provided with a plurality of first through holes, the first through holes are in one-to-one correspondence with the screw rods, and the first through holes are used for the screw rods corresponding to the first through holes to pass through; and each slide block is connected with a transmission nut, the transmission nut is sleeved on the screw rod corresponding to the slide block, and the transmission nut is used for driving the slide block to move along the screw rod under the action of driving the screw rod to rotate by the driving assembly.

The multi-station linear die set according to the embodiment of the first aspect of the invention has at least the following beneficial effects:

the embodiment of the invention provides a multi-station linear module which comprises a base, a plurality of screw rods, a driving assembly and a sliding block, wherein the plurality of screw rods are rotatably connected with the base, the driving assembly is connected with the base and used for driving the screw rods to rotate, and as the plurality of driving assemblies are arranged corresponding to the plurality of screw rods, each screw rod is driven by an independent motor, so that the screw rods can be controlled independently. The slide blocks are connected with the slide rails on the base in a sliding mode, the slide blocks and the screw rods are arranged in a one-to-one correspondence mode, the slide blocks correspond to the screw rods and are provided with first through holes through which the screw rods penetrate, transmission nuts are connected to the slide blocks, the transmission nuts are sleeved on the screw rods corresponding to the slide blocks and can drive the slide blocks to move along the screw rods under the action of driving the screw rods to rotate by the driving assemblies, the screw rods are driven by the independent driving assemblies, the slide blocks penetrate through the screw rods, and the transmission nuts sleeved on the single screw rods are only connected with the single slide blocks.

According to some embodiments of the invention, the base further comprises a first side plate and a second side plate for securing a lead screw, the first side plate being disposed at a first end of the base, the second side plate being disposed at a second end of the base; the first side plate is connected with a first fixed seat used for bearing the lead screw, and the second side plate is connected with a second fixed seat used for bearing the lead screw; the first fixing seat is provided with first blind holes, and the second side plate is provided with second through holes for the screw rods to pass through, corresponding to the first blind holes one by one; the second fixing base is provided with a second blind hole, the first side plate corresponds to the second blind hole in a one-to-one mode, a third through hole used for allowing the lead screw to penetrate is formed in the second blind hole, one end of the lead screw is fixed in the first blind hole, the other end of the lead screw penetrates through the second fixing base and the second through hole corresponding to the first blind hole, or one end of the lead screw is fixed in the second blind hole, and the other end of the lead screw penetrates through the first fixing base and the third through hole corresponding to the second blind hole.

According to some embodiments of the present invention, the driving assembly includes a first motor for driving the screw rod to rotate, the first motor is disposed on the first side plate, the number of the first motors corresponds to the number of the third through holes, a transmission shaft of the first motor penetrates through the first side plate, and the transmission shaft of the first motor and one end of the screw rod penetrating through the first side plate are located on the same side of the first side plate.

According to some embodiments of the present invention, the driving assembly further includes a first screw rod synchronizing wheel connected to one end of the screw rod penetrating through the third through hole, and a first motor synchronizing wheel connected to a transmission shaft of the first motor, a first synchronizing belt for realizing synchronous rotation of the first screw rod synchronizing wheel and the first motor synchronizing wheel is disposed between the first screw rod synchronizing wheel and the first motor synchronizing wheel, and the first synchronizing belt is disposed between a single first screw rod transmission wheel and a corresponding single first motor synchronizing wheel.

According to some embodiments of the invention, the driving assembly includes a second motor for driving the screw rod to rotate, the second motor is disposed on the second side plate, the number of the second motors corresponds to the number of the second through holes, a transmission shaft of the second motor penetrates through the second side plate, and the transmission shaft of the second motor and one end of the screw rod penetrating through the second side plate are located on the same side of the second side plate.

According to some embodiments of the present invention, the driving assembly further includes a second screw rod synchronizing wheel connected to one end of the screw rod penetrating through the second through hole, and a second motor synchronizing wheel connected to a transmission shaft of the second motor, a second synchronous belt for realizing synchronous rotation of the second screw rod synchronizing wheel and the second motor synchronizing wheel is disposed between the second screw rod synchronizing wheel and the second motor synchronizing wheel, and only one second synchronous belt is disposed between a single second screw rod transmission wheel and a corresponding single second motor synchronizing wheel.

According to some embodiments of the invention, a first sliding groove is arranged at the lower part of the sliding block, and a ball bearing for bearing the sliding block to move is arranged in the sliding groove; the base is provided with a second sliding groove corresponding to the first sliding groove, and the ball can roll between the first sliding groove and the second sliding groove.

According to some embodiments of the invention, the first sliding groove is provided with two, one of the first sliding grooves is arranged at the lower part of the left side surface of the sliding block, and the other one of the first sliding grooves is arranged at the lower part of the right side surface of the sliding block.

According to some embodiments of the invention, the multi-station linear module further comprises a cover plate, the cover plate covers the base, and a first cavity for accommodating the screw rod is formed between the cover plate and the base; the upper portion of the sliding block is provided with a second cavity for the cover plate to penetrate through, the upper portion of the sliding block is located outside the first cavity, and the lower portion of the sliding block is located inside the first cavity.

According to some embodiments of the invention, the first end of the base and the second end of the base are both connected with an optoelectronic switch for detecting the position of the slider, and the slider is connected with a contact piece for triggering the optoelectronic switch.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the example serve to explain the principles of the invention and not to limit the invention.

Fig. 1 is a schematic structural diagram of a multi-station linear die set according to an embodiment of the present invention;

fig. 2 is a partial structural view of the multi-station linear die set shown in fig. 1.

Reference numerals: the multi-station linear module comprises a multi-station linear module 100, a base 101, a slider 102, a motor 103, a photoelectric switch 104, a contact piece 105, a cover plate 106, a first chamber 200, a slide rail 201, a screw rod 202, a first through hole 203, a transmission nut 204, a first side plate 205, a second side plate 206, a first fixed seat 207, a second fixed seat 208, a screw rod synchronous wheel 209, a motor synchronous wheel 210, a second chute 211 and a second chamber 212.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

The invention provides a multi-station linear module which comprises a base, a plurality of screw rods, a driving assembly and a sliding block, wherein the plurality of screw rods are rotatably connected with the base, the driving assembly is connected with the base and used for driving the screw rods to rotate, and as the plurality of driving assemblies are arranged corresponding to the screw rods, each screw rod is driven by an independent motor, so that the screw rods can be controlled independently. The slide blocks are connected with the slide rails on the base in a sliding mode, the slide blocks and the screw rods are arranged in a one-to-one correspondence mode, the slide blocks correspond to the screw rods and are provided with first through holes through which the screw rods penetrate, transmission nuts are connected to the slide blocks, the transmission nuts are sleeved on the screw rods corresponding to the slide blocks and can drive the slide blocks to move along the screw rods under the action of driving the screw rods to rotate by the driving assemblies, the screw rods are driven by the independent driving assemblies, the slide blocks penetrate through the screw rods, and the transmission nuts sleeved on the single screw rods are only connected with the single slide blocks.

The embodiments of the present invention will be further explained with reference to the drawings.

As shown in fig. 1, fig. 1 is a schematic structural diagram of a multi-station linear module 100 according to an embodiment of the present invention.

In the example of fig. 1, the multi-station linear die set 100 of the embodiment of the present invention includes a base 101, a slide 102, and a motor 103.

Specifically, referring to fig. 1, there are two sliders 102, and there are two motors 103 corresponding to the sliders 102, where the two motors 103 are respectively used for driving the single slider 102 to move back and forth relative to the base 101.

It should be noted that one or more sliders 102 may be provided, and one or more sliders 102 corresponding to the motor 103 may be provided, which is not specifically limited in the embodiment of the present invention.

Referring to fig. 1, a photoelectric switch 104 for detecting a position of a slider 102 is connected to both a front end of a base 101 and a rear end of the base 101, and a contact piece 105 for triggering the photoelectric switch 104 is connected to the slider 102. By providing the photoelectric switch 104 and the contact piece 105, the slider 102 can be prevented from moving outside a predetermined movement range, and the stability of the operation of the multi-station linear module 100 can be enhanced.

Referring to fig. 1, the multi-station linear module 100 according to the embodiment of the present invention further includes a cover plate 106, the cover plate 106 covers the base 101, and the cover plate 106 is configured to prevent dust from affecting the operation of the multi-station linear module 100, so that the stability of the operation of the multi-station linear module 100 is improved.

As shown in fig. 2, fig. 2 is a partial structural schematic view of the multi-station linear die set 100 shown in fig. 1.

Referring to fig. 2, a first chamber 200 is formed between the cover plate 106 and the base 101, the first chamber 200 is used for accommodating internal components of the multi-station linear module 100, and dust can be prevented from entering the first chamber 200 by the arrangement of the cover plate 106 to affect the operation of the multi-station linear module 100, so that the stability of the operation of the multi-station linear module 100 is improved.

Referring to fig. 2, the base 101 is provided with a slide rail 201, and the slider 102 is slidably connected to the slide rail 201.

Referring to fig. 2, the multi-station linear module 100 of the embodiment of the present invention further includes a plurality of lead screws 202, the lead screws 202 are parallel to the slide rails 201, and the plurality of lead screws 202 are all rotatably connected to the base 101.

Specifically, the number of the lead screws 202 is equal to the number of the sliders 102, and at the same time, the number of the lead screws 202 is also equal to the number of the motors 103.

Specifically, referring to fig. 2, the slider 102 is provided with first through holes 203, the first through holes 203 correspond to the screw rods 202 one by one, and the first through holes 203 are used for the screw rods 202 corresponding to the first through holes 203 to pass through; moreover, each slide block 102 is connected with a transmission nut 204, the transmission nut 204 is sleeved on the screw rod 202 corresponding to the slide block 102, and the transmission nut 204 is used for driving the slide block 102 to move along the screw rod 202 under the action of the driving assembly driving the screw rod 202 to rotate. Since the driving assembly is provided in plurality corresponding to the lead screws 202, each lead screw 202 is driven by an independent motor 103, thereby enabling individual control of the lead screws 202. The slide blocks 102 are slidably connected to the slide rails 201 on the base 101, a plurality of slide blocks 102 are arranged corresponding to the screw rods 202 one by one, the slide blocks 102 are provided with first through holes 203 corresponding to the screw rods 202, the screw rods 202 can penetrate through the first through holes 203, each slide block 102 is connected with a transmission nut 204, the transmission nuts 204 are sleeved on the screw rods 202 corresponding to the slide blocks 102, the slide blocks 102 can be driven to move along the screw rods 202 under the action of the driving assemblies driving the screw rods 202 to rotate, therefore, the screw rods 202 are driven by the independent driving assemblies, each slide block 102 penetrates through the screw rods 202, and the transmission nuts 204 sleeved on the single screw rods 202 are only connected with the single slide block 102.

In addition, since the first through holes 203 are formed in the slide block 102 corresponding to the lead screws 202, when there are a plurality of lead screws 202, the lead screws 202 can pass through the slide block 102 without occupying additional space in the first chamber 200, thereby reducing the width of the multi-station linear module 100 and reducing the volume of the multi-station linear module 100.

Referring to fig. 2, the base 101 further includes a first side plate 205 and a second side plate 206 for fixing the screw 202, the first side plate 205 and the second side plate 206 are provided with the motor 103, the first side plate 205 is arranged at the front end of the base 101, and the second side plate 206 is arranged at the rear end of the base 101; the first side plate 205 is connected with a first fixing seat 207 for bearing the lead screw 202, and the second side plate 206 is connected with a second fixing seat 208 for bearing the lead screw 202.

It should be noted that the number of the motors 103 on the first side plate 205 and the second side plate 206 may be one, may be multiple, or may not be provided with the motor 103, which is not specifically limited in this embodiment of the present invention.

In an embodiment, the number of the motors 103 on the first side plate 205 and the second side plate 206 is the same, so that the motors 103 are uniformly distributed on the first side plate 205 and the second side plate 206, and the space can be fully utilized, so that the width of the multi-station linear module 100 is reduced.

It can be understood that the first fixing seat 207 is provided with a first blind hole, and the second side plate 206 is provided with a second through hole for the screw rod 202 to pass through, corresponding to the first blind hole; the second fixing seat 208 is provided with a second blind hole. The first side plate 205 is provided with a third through hole corresponding to the second blind hole, one end of the screw 202 is fixed to the first blind hole, and the other end of the screw passes through the second fixing base 208 and the second through hole corresponding to the first blind hole, or one end of the screw 202 is fixed to the second blind hole, and the other end of the screw passes through the first fixing base 207 and the third through hole corresponding to the second blind hole.

Specifically, the number of the motors 103 disposed on the first side plate 205 is the same as the number of the third through holes, and the transmission shaft of the motor 103 disposed on the first side plate 205 and one end of the screw rod 202 penetrating through the first side plate 205 are located on the same side of the first side plate 205, so that the motor 103 connected to the first side plate 205 drives the screw rod 202.

Specifically, the number of the motors 103 disposed on the second side plate 206 is the same as the number of the second through holes, and the transmission shaft of the motor 103 disposed on the second side plate 206 and one end of the screw rod 202 penetrating through the second side plate 206 are located on the same side of the second side plate 206, so that the motor 103 disposed on the second side plate 206 drives the screw rod 202.

Referring to fig. 2, it can be understood that the lead screw 202 is provided with a lead screw synchronizing wheel 209 at one end passing through the third through hole, connected to the first side plate 205, and provided with a motor synchronizing wheel 210 on a transmission rod of the motor 103 corresponding to the lead screw 202.

It can be understood that the screw 202 is also provided with a screw synchronizing wheel 209 at one end passing through the second through hole, connected to the first side plate 205, and a motor synchronizing wheel 210 is also provided on the transmission rod of the motor 103 corresponding to the screw 202.

It can be understood that a synchronous belt for realizing synchronous rotation of the screw synchronous wheel 209 and the motor synchronous wheel 210 is arranged between the screw synchronous wheel 209 and the motor synchronous wheel 210, and a synchronous belt is arranged between a single screw 202 transmission wheel and a corresponding single motor synchronous wheel 210. Therefore, the motor 103 can drive the synchronous belt through the motor synchronous wheel 210 to drive the lead screw synchronous wheel 209 corresponding to the motor 103 to rotate, the lead screw synchronous wheel 209 also drives the lead screw 202 to rotate, so that the transmission nut 204 sleeved on the lead screw 202 drives the slide block 102 connected with the transmission nut 204 to move, the lead screw 202 is driven by an independent driving assembly, each slide block 102 penetrates through the lead screw 202, and the transmission nut 204 sleeved on a single lead screw 202 is only connected with a single slide block 102, so that the multi-station linear module 100 of the embodiment of the invention can realize independent motion control of each station of the linear module, the motion ranges of each station can be overlapped, and the use convenience is improved.

It should be noted that only one single synchronous belt is provided between the corresponding screw rod synchronous wheel 209 and the motor synchronous wheel 210.

It is understood that the lower portion of the slide block 102 is provided with a first sliding groove, and the sliding groove is provided with a ball bearing for carrying the slide block 102 to move.

Referring to fig. 2, the base 101 is provided with a second slide groove 211 corresponding to the first slide groove, and the balls can roll between the first slide groove and the second slide groove 211.

It should be noted that two first sliding grooves are provided, one first sliding groove is provided at the lower portion of the left side surface of the sliding block 102, and the other first sliding groove is provided at the lower portion of the right side surface of the sliding block 102. The bearing capacity of the sliding block 102 can be enhanced by arranging the two first sliding grooves, and meanwhile, the sliding block 102 can be limited, so that the sliding block 102 can move more accurately, in addition, one first sliding groove is arranged at the lower part of the left side surface of the sliding block 102, the other first sliding groove is arranged at the lower part of the right side surface of the sliding block 102, the sliding block 102 can be arranged in a penetrating mode through the screw rod 202, the space saved in the first cavity 200 is formed, the width of multi-station straight line ink is reduced, and the size of the multi-station straight line module 100 is further reduced.

Referring to fig. 2, it can be understood that the upper portion of the slider 102 is provided with a second chamber 212 for the cover plate 106 to pass through, the upper portion of the slider 102 is located outside the first chamber 200, and the lower portion of the slider 102 is located inside the first chamber 200. Through seting up first cavity 200 on slider 102 upper portion, the slider 102 lower part can be when being located first cavity 200 in order to avoid the dust influence, can also place slider 102 upper portion outside first cavity 200 in order to bear the load, consequently also reduced the thickness of multistation straight line module 100 simultaneously, and then reduced the volume of multistation straight line module 100.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the foregoing and various other changes, omissions and deviations in the form and detail thereof may be made without departing from the scope of this invention.