CN212604040U - Lifting assembly and screen printing machine applying same - Google Patents
Lifting assembly and screen printing machine applying same Download PDFInfo
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- CN212604040U CN212604040U CN202120059438.2U CN202120059438U CN212604040U CN 212604040 U CN212604040 U CN 212604040U CN 202120059438 U CN202120059438 U CN 202120059438U CN 212604040 U CN212604040 U CN 212604040U
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- screen printing
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- sliding sleeve
- sliding rod
- silk screen
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Abstract
The utility model discloses a lifting component and a screen printing machine applying the same, relating to the field of screen printing machines, in the lifting component mainly comprising a driving motor, a crank and a connecting rod, the connecting rod is divided into a sliding sleeve and a sliding rod, wherein the sliding rod can be inserted into the sliding sleeve in a sliding way, the middle part of the sliding rod is provided with or the sliding sleeve is provided with a supporting block, when the lifting component drives the silk screen printing component to ascend, the sliding sleeve pushes the sliding rod to ascend through the supporting block, when the silk screen printing component descends, the weight of the silk screen printing component descends, so that when an accident happens on a workbench of the silk screen printing machine, the silk screen printing component is supported, and because the sliding sleeve slides with the slide bar, the lifting component can not pull the silk screen printing component to continue moving downwards, and the lifting component can not be pulled downwards to form larger shearing force, thereby avoiding generating larger injury to working personnel.
Description
Technical Field
The utility model relates to a silk screen printing machine field, in particular to elevating assembly and applied this elevating assembly's silk screen printing machine.
Background
The existing screen printing machine is used for driving a lifting component of a screen printing component to lift and generally comprises a driving motor, a crank and a connecting rod, wherein the crank is fixed on an output shaft of the driving motor, one end of the connecting rod is rotatably connected with the crank, and the other end of the connecting rod is hinged with a cross beam of the screen printing component, so that when the driving motor drives the crank to rotate, the connecting rod is driven to move, and the connecting rod drives the screen printing component to lift and descend.
The existing connecting rod is a straight rod, the silk screen printing component is driven to lift, and the silk screen printing component and the connecting rod work synchronously. However, when an accident occurs on the workbench of the screen printing machine, for example, when a worker takes a printed workpiece, the screen printing function is triggered by mistake, the screen printing component can clamp the hand of the workpiece to be taken, and the screen printing component forms shearing force with the workbench under the traction of the connecting rod, so that the worker is more injured. The workpiece can be printed by a screen printing machine, such as a circuit board.
It is seen that improvements and enhancements to the prior art are needed.
SUMMERY OF THE UTILITY MODEL
In view of the foregoing prior art's weak point, the utility model aims to provide a lifting unit and applied this lifting unit's silk screen printing machine solves current silk screen printing machine when taking the work piece and meet accident, can produce the problem of serious injury to the staff.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a lifting assembly comprises a driving motor, a crank fixed on an output shaft of the driving motor and a connecting rod with one end rotatably connected to the crank; the connecting rod comprises a sliding sleeve connected with the crank, a sliding rod with one end inserted into the sliding sleeve and connected with the sliding sleeve in a sliding manner, and a supporting block for supporting the sliding rod when the sliding sleeve pushes the sliding rod to lift.
In the lifting assembly, the supporting block is fixed at one end, close to the crank, in the sliding sleeve.
In the lifting assembly, the supporting block is fixed in the middle of the sliding rod.
In the lifting assembly, the middle part of the sliding rod is provided with an external thread, and the supporting block is provided with an internal thread meshed with the external thread.
In the lifting assembly, the outer diameter of the middle part of the sliding rod is smaller than the diameter of one end of the sliding rod inserted into the sliding sleeve; the diameter of one end of the sliding rod, which is far away from the sliding sleeve, is smaller than the outer diameter of the middle part of the sliding rod.
The utility model provides a silk screen printing machine, includes lifting unit, still include frame, sliding connection crossbeam on the frame, lifting unit's driving motor fixes on the frame, the connecting rod is kept away from driving motor one end and is rotated with the crossbeam and be connected.
In the screen printer, a protective plate is fixed on a cross beam, a bulge is arranged on the side wall of the middle part of the protective plate, the upper end of the protective plate is arranged on the cross beam, and the side wall of the lower end of the protective plate is connected with the machine base in a sliding manner.
In the screen printing machine, the cross section of the protection plate is U-shaped, and the lifting assembly penetrates through the inside of the protection plate.
In the screen printer, an elastic pad is arranged below the corresponding bulge on the base.
Has the advantages that: in the lifting unit who mainly comprises driving motor, crank and connecting rod, divide into sliding sleeve and slide bar two parts with the connecting rod, wherein slide bar slidable inserts in the sliding sleeve, set up or set up the supporting shoe in the middle part of the slide bar on the sliding sleeve, when making lifting unit drive silk screen printing subassembly rise, the sliding sleeve promotes the slide bar through the supporting shoe and rises, and when silk screen printing subassembly descends, then descend through the weight effect of silk screen printing subassembly self, therefore, when taking place accident on the workstation of silk screen printing machine, the silk screen printing subassembly can be supported, and because slide between sliding sleeve and the slide bar, lifting unit can not pull silk screen printing subassembly and continue to move down, lifting unit can not be down pulled down and form great shear force, avoid producing great injury to the staff.
Drawings
Fig. 1 is a schematic perspective view of a screen printing machine.
Fig. 2 is a front view of the screen printer.
Fig. 3 is a first front view of the lift assembly.
Fig. 4 is a left side view of the lift assembly shown in fig. 3.
Fig. 5 is a second front view of the lift assembly.
Description of the main element symbols: 1-machine base, 1.1-sliding rod, 1.2-connecting plate, 2.1-driving motor, 2.2-crank, 2.3-sliding sleeve, 2.4-sliding rod, 2.5-supporting block, 2.6-lifting component, 2.7-connecting rod, 4-silk-screen component, 4.11-crossbeam, 5-protecting plate, 5.1-bulge and 5.2-elastic pad.
Detailed Description
The utility model provides a lifting unit and applied this lifting unit's silk screen printing machine, for making the utility model discloses a purpose, technical scheme and effect are clearer, clear and definite, and it is right that the following refers to the drawing and the embodiment is lifted the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the scope of the invention.
Referring to fig. 3, 4 and 5, a lifting assembly 2.6 includes a driving motor 2.1, a crank 2.2 fixed on an output shaft of the driving motor 2.1, and a connecting rod 2.7 with one end rotatably connected to the crank 2.2; the connecting rod 2.7 comprises a sliding sleeve 2.3 connected with the crank 2.2, a sliding rod 2.4 with one end inserted in the sliding sleeve 2.3 and connected with the sliding sleeve 2.3 in a sliding way, and a supporting block 2.5 for supporting the sliding rod 2.4 when the sliding sleeve 2.3 pushes the sliding rod 2.4 to ascend and descend.
Referring to fig. 1, 2, 3 and 5, in particular, in the present application, the connecting rod 2.7 is divided into a sliding sleeve 2.3 and a sliding rod 2.4, one end of the sliding sleeve 2.3 is connected to the driving motor 2.1 through a crank 2.2, one end of the sliding rod 2.4 is connected to a beam 4.11 of the screen printing component 4, and one end of the sliding rod 2.4, which is far away from the beam 4.11 of the screen printing component 4, is inserted into the sliding sleeve 2.3. When drive silk screen printing subassembly 4 was in the state that rises, sliding sleeve 2.3 passed through supporting shoe 2.5 butt with slide bar 2.4 for when driving motor 2.1 rotated, can promote silk screen printing subassembly 4 to rise, when drive silk screen printing subassembly 4 was in the state that rises, silk screen printing subassembly 4 descended at the action of gravity of self, consequently, sliding sleeve 2.3 still keeps passing through supporting shoe 2.5 butt with slide bar 2.4.
When accident happens on the workbench of the screen printer, the screen printing component 4 can be supported, and the sliding sleeve 2.3 and the sliding rod 2.4 slide, so that the lifting component 2.6 cannot pull the screen printing component 4 to continue moving downwards, the lifting component 2.6 cannot be pulled downwards to form large shearing force, and great damage to workers is avoided. And current elevating module 2.6, in the decline in-process of silk screen printing subassembly 4, when there is the object to block that silk screen printing subassembly 4 descends, elevating module 2.6 can give 4 traction forces of pulling down of silk screen printing subassembly, consequently can give very big shear force of the object of blocking the decline of silk screen printing subassembly 4, and it is thus clear that when this obstacle is the human body, can be big to the human body injury.
Referring to fig. 5, in a preferred embodiment, a support block 2.5 is fixed inside the sliding sleeve 2.3 at an end near the crank 2.2. That is, when the lifting assembly 2.6 drives the screen printing assembly 4 to ascend, the bottom surface of the sliding rod 2.4 abuts against the supporting block 2.5 inside the sliding sleeve 2.3, wherein the supporting block 2.5 and the sliding sleeve 2.3 can be an integrated structure.
Referring to fig. 3 and 4, in a preferred embodiment, a support block 2.5 is fixed to the middle of the slide bar 2.4. That is, the supporting block 2.5 is fixed on the slide bar 2.4, and when the lifting component 2.6 drives the screen printing component 4 to ascend, the top surface of the sliding sleeve 2.3 is abutted against the bottom surface of the supporting block 2.5. Wherein, the supporting block 2.5 and the sliding rod 2.4 can be an integrated structure.
In a preferred embodiment, on the basis of the above embodiment, the middle part of the sliding rod 2.4 is provided with an external thread, and the supporting block 2.5 is provided with an internal thread engaged with the external thread. The supporting block 2.5 is connected with the sliding rod 2.4 through threaded engagement, so that the lifting stroke of the silk screen printing component 4 can be driven by adjusting the lifting component 2.6.
Specifically, in order to facilitate the installation of the supporting block 2.5, the outer diameter of the middle part of the sliding rod 2.4 is smaller than the diameter of the sliding rod 2.4 inserted into one end of the sliding sleeve 2.3; the diameter of one end of the sliding rod 2.4 far away from the sliding sleeve 2.3 is smaller than the middle outer diameter of the sliding rod 2.4.
Referring to fig. 1 and 2, a screen printing machine includes the lifting assembly 2.6, a machine base 1, and a beam 4.11 slidably connected to the machine base 1, wherein a driving motor 2.1 of the lifting assembly 2.6 is fixed on the machine base 1, and one end of a connecting rod 2.7 far away from the driving motor 2.1 is rotatably connected to the beam 4.11. Specifically, the silk screen and the screen brush and the scraper used for printing are connected to the beam 4.11, and the lifting assembly 2.6 drives the beam 4.11 to lift, so that the silk screen assembly 4 composed of the silk screen, the screen brush, the scraper, the beam 4.11 and the like can lift. When the silk screen printing machine is used, a workpiece to be printed is placed on a workbench on the machine base 1, the lifting component 2.6 drives the silk screen printing component 4 to descend, the silk screen printing net is attached to the top surface of the workpiece, and then the net brush is driven to move, so that materials for silk screen printing fall on the corresponding position of the workpiece through the silk screen printing net, and then redundant materials are scraped back to the initial position by utilizing the scraper for next silk screen printing.
In a preferred embodiment, two vertically arranged sliding rods 1.1 are arranged on the machine base 1, the cross beam 4.11 is slidably connected to the middle of the sliding rods 1.1, a connecting plate 1.2 is fixed to the tops of the two sliding rods 1.1, and the connecting plate 1.2 is used for keeping the distance between the two sliding rods 1.1, so that the strength of the sliding rods 1.1 is enhanced, and the cross beam 4.11 is smoother when being lifted.
In a preferred embodiment, a protection plate 5 is fixed on the cross beam 4.11, a protrusion 5.1 is arranged on the side wall of the middle part of the protection plate 5, the upper end of the protection plate 5 is arranged on the cross beam 4.11, and the side wall of the lower end of the protection plate 5 is slidably connected with the machine base 1. Wherein the protection plate 5 is used for limiting the lowest position of the cross beam 4.11 descending. When the cross beam 4.11 descends to the lowest position, the protrusion 5.1 on the protection plate 5 abuts against the machine base 1, and at this time, even if the sliding sleeve 2.3 of the lifting assembly 2.6 continues to descend, the screen printing assembly 4 cannot continue to descend. In practice, of course, the position limited by the protection plate 5 is substantially the same as or slightly lower than the lowest position driven by the lifting assembly 2.6, so as to protect the screen printing assembly 4 from being damaged by the change of the position of the support block 2.5 during use or during the machine adjustment.
In a preferred embodiment, the longitudinal section of the protective plate 5 is "configured" or approximately "ϟ".
Usually, because the base 1 is provided with the opening only at the position where the lifting component 2.6 is installed, so that the connecting rod 2.7 can be connected with the cross beam 4.11, the protecting plate 5 is designed to have a "u" shape in cross section, and the lifting component 2.6 penetrates through the inside of the protecting plate 5, so that an object of the base 1 cannot enter the position where the lifting component 2.6 is installed from the opening, and the object is prevented from falling onto the lifting component 2.6 to influence the production.
In a preferred embodiment, an elastic pad 5.2 is arranged below the corresponding protrusion 5.1 on the base 1, and the elastic pad 5.2 plays a role of supporting and buffering when the protection plate 5 descends to the lowest position, that is, supporting and buffering when the silk-screen printing assembly 4 descends to the lowest position. Wherein the elastic pad 5.2 is preferably a rubber pad.
In the utility model, in a lifting component 2.6 mainly composed of a driving motor 2.1, a crank 2.2 and a connecting rod 2.7, the connecting rod 2.7 is divided into a sliding sleeve 2.3 and a sliding rod 2.4, wherein the sliding rod 2.4 can be inserted into the sliding sleeve 2.3 in a sliding way, the middle part of the sliding rod 2.4 is provided with a supporting block 2.5 or the sliding sleeve 2.3 is provided with a supporting block 2.5, when the lifting component 2.6 drives the silk screen printing component 4 to ascend, the sliding sleeve 2.3 pushes the sliding rod 2.4 to ascend through the supporting block 2.5, when the screen printing component 4 descends, the screen printing component 4 descends under the action of the self weight of the screen printing component 4, so that when an accident happens on the worktable of the screen printing machine, the screen printing component 4 is supported, and because the sliding sleeve 2.3 slides with the slide bar 2.4, the lifting component 2.6 can not pull the silk screen printing component 4 to continue moving downwards, and the lifting component 2.6 can not be pulled downwards to form larger shearing force, thereby avoiding generating larger injury to the working personnel.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other suitable relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
It is understood that equivalent substitutions or changes can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such changes or substitutions shall fall within the scope of the present invention.
Claims (9)
1. A lifting assembly comprises a driving motor, a crank fixed on an output shaft of the driving motor and a connecting rod with one end rotatably connected to the crank; the connecting rod comprises a sliding sleeve connected with the crank, a sliding rod with one end inserted into the sliding sleeve and connected with the sliding sleeve in a sliding manner, and a supporting block for supporting the sliding rod when the sliding sleeve pushes the sliding rod to lift.
2. The lift assembly of claim 1, wherein the support block is secured within the sleeve at an end adjacent the crank.
3. The lift assembly of claim 1, wherein the support block is secured to a central portion of the slider bar.
4. The lift assembly of claim 3, wherein the intermediate portion of the slide bar has external threads and the support block has internal threads that engage the external threads.
5. The lifting assembly as claimed in claim 4, wherein the outer diameter of the middle portion of the sliding rod is smaller than the diameter of the end of the sliding rod inserted into the sliding sleeve; the diameter of one end of the sliding rod, which is far away from the sliding sleeve, is smaller than the outer diameter of the middle part of the sliding rod.
6. A screen printing machine, comprising the lifting assembly as claimed in claim 1, further comprising a base, and a beam slidably connected to the base, wherein a driving motor of the lifting assembly is fixed to the base, and one end of the connecting rod, which is far away from the driving motor, is rotatably connected to the beam.
7. The screen printing machine as claimed in claim 6, wherein the cross beam is fixed with a protection plate, the side wall of the middle part of the protection plate is provided with a protrusion, the upper end of the protection plate is arranged on the cross beam, and the side wall of the lower end of the protection plate is slidably connected with the base.
8. The screen printing machine of claim 7, wherein the protecting plate has a substantially U-shaped cross-section, and the lifting member penetrates the inside of the protecting plate.
9. The screen printing machine of claim 7, wherein the elastic pad is provided under the corresponding protrusion on the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120059438.2U CN212604040U (en) | 2021-01-11 | 2021-01-11 | Lifting assembly and screen printing machine applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120059438.2U CN212604040U (en) | 2021-01-11 | 2021-01-11 | Lifting assembly and screen printing machine applying same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212604040U true CN212604040U (en) | 2021-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120059438.2U Active CN212604040U (en) | 2021-01-11 | 2021-01-11 | Lifting assembly and screen printing machine applying same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212604040U (en) |
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2021
- 2021-01-11 CN CN202120059438.2U patent/CN212604040U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230821 Address after: 528000 Factory Building 101, Building 45, No. 88 Haitian Road, Hecheng Street, Gaoming District, Foshan City, Guangdong Province (Residence Declaration) Patentee after: Foshan Shengbo rope belt accessories Co.,Ltd. Address before: 528100 No.9, workshop 4, No.28 Chuangye 2nd Road, Yundonghai street, Sanshui District, Foshan City, Guangdong Province Patentee before: Foshan huachuangxing Technology Co.,Ltd. |
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| TR01 | Transfer of patent right |