Printer ink cartridge driving mechanism

Abstract

The invention discloses a printer ink box driving mechanism which comprises a motor, a guide rod and an ink box assembly. The motor is installed on a printer shell support, and the ink box assembly is driven by the motor to move back and forth along the guide rod. The ink box assembly comprises a driving connecting frame, an ink box connecting frame, an ink box support and an ink box. The driving connecting frame sleeves the guide rod through the sliding sleeve and is connected with the transmission assembly; the ink boxes of different specifications are detachably connected with the corresponding ink box supports and serve as independent ink box modules after being assembled. The ink box connecting frame is located between the driving connecting frame and the ink box module, and the three are detachably connected; the motor drives the driving mechanism connecting frame, the ink box connecting frame and the ink box module to move along the guide rod together through the transmission assembly for printing. According to the driving connecting frame, the ink box connecting frame and the ink box support, ink box modules of different specifications can be connected through the same driving connecting frame and the same ink box connecting frame, universality is high, assembling is convenient, and cost is saved.

Description

Technical Field

[0001] The invention belongs to the technical field of food printing equipment, and in particular relates to a printer ink cartridge driving mechanism. Background Art

[0002] The ink cartridge of the existing food printer is directly connected to the driving mechanism, and different driving mechanism connecting frames and ink cartridge connecting frames need to be designed for ink cartridges of different specifications. If you need to replace ink cartridges of different specifications, you also need to replace the corresponding driving mechanism connecting frame and ink cartridge holder, which has poor versatility and cumbersome operation. Summary of the invention

[0003] The purpose of the present invention is to provide a food printer ink cartridge driving mechanism to solve the above technical problems.

[0004] In order to solve the above technical problems, the present invention adopts the following solutions: The ink cartridge driving mechanism of a printer comprises a motor and a guide rod which are mounted on a printer housing support, and an ink cartridge assembly which is driven by the motor to move back and forth along the guide rod.

[0005] Further improved, the ink cartridge assembly includes a drive connecting frame, an ink cartridge connecting frame, an ink cartridge holder and an ink cartridge; The drive connecting frame is sleeved on the guide rod through a sliding sleeve, and the drive connecting frame is connected to the transmission assembly; Ink cartridges of different specifications are detachably connected to corresponding ink cartridge brackets, and after assembly, they serve as independent ink cartridge modules; the ink cartridge connecting frame is located between the driving connecting frame and the ink cartridge module, and the three are detachably connected; The motor drives the driving mechanism connecting frame, the ink cartridge connecting frame and the ink cartridge module to move along the guide rod through the transmission component to perform printing.

[0006] Through the drive connecting frame, ink cartridge connecting frame, and ink cartridge bracket described in the present application, ink cartridge modules of different specifications can be connected through the same drive connecting frame and ink cartridge connecting frame, which has strong versatility, is easy to assemble, and saves costs.

[0007] Further improvement, the ink cartridge holder as a whole is " "A frame structure comprising a back plate, two side plates and a top plate; the ink cartridge is detachably mounted in a cavity of the frame structure; A circuit board is arranged on the back plate for being electrically connected to the ink cartridge, and the circuit board is electrically connected to the printer control component through a wire; A first connector for connecting with an ink cartridge connector is arranged on the outer side of the back plate.

[0008] Further improvement, the lower ends of the two side plates protrude inward to form a limiting boss; an operation window is opened on the top plate to facilitate the assembly of the ink cartridge, and a positioning member is provided at the operation window; the positioning member includes a first rotating shaft, a torsion spring and a pressure block; the two ends of the first rotating shaft are rotatably connected to the corresponding side plates, the pressure block is located between the two side plates, and is integrally formed with the first rotating shaft, and the lower surface of the pressure block is arc-shaped; the torsion spring is sleeved on the first rotating shaft, one end of the torsion spring is abutted against the top plate, and the other end is abutted against the pressure block.

[0009] A positioning protrusion is arranged on the top of the ink cartridge, and the upper surface of the positioning protrusion is an arc surface. The arc surface design facilitates the pressing block to pass over the positioning protrusion on the top of the ink cartridge.

[0010] The two sides of the lower end of the ink cartridge are pressed against the corresponding limit bosses, and then the ink cartridge is pushed toward the side close to the back plate. In the initial stage, the positioning protrusion on the top of the ink cartridge presses against the lower surface of the pressure block. The ink cartridge continues to be pushed, and the positioning protrusion pushes the pressure block to rotate a certain angle around the first rotating axis. At this time, the torsion spring is twisted, so that the pressure block of the positioning member can pass over the positioning protrusion on the top of the ink cartridge; after passing over the positioning protrusion, under the action of the restoring force of the torsion spring, the pressure block rotates in the opposite direction at a certain angle and then presses against the top of the ink cartridge, thereby achieving the effect of pressing and locking the ink cartridge.

[0011] When the ink cartridge needs to be replaced, the pressure block is manually rotated away from the positioning protrusion and the ink cartridge is pushed toward the side away from the back plate so that the pressure block of the positioning piece can pass over the positioning protrusion on the top of the ink cartridge; then the ink cartridge is continued to be pushed toward the side away from the back plate, and the ink cartridge can be easily taken out, which is very convenient.

[0012] Further improvement, the ink cartridge connecting frame includes an integrally formed first connecting plate, the first connecting plate is provided with a first connecting hole for connecting to the ink cartridge holder, and a second connecting hole for connecting to the drive connecting frame; the lower end of the first connecting plate is folded toward the side away from the ink cartridge to form a second connecting plate, the second connecting plate is provided with a threaded hole, and a T-screw for connecting to the drive connecting frame is inserted into the threaded hole.

[0013] As a further improvement, the left and right ends of the first connecting plate extend outward to form two first connecting ears, each of which has a second connecting hole; the second connecting hole is a threaded hole; the first connecting holes are two first light holes. By extending the first connecting ears out of both sides of the first connecting plate, this design is to leave assembly space for easy assembly.

[0014] As a further improvement, the driving connecting frame includes a third connecting plate, which is made of sheet metal and integrally formed; and includes a first vertical plate, a horizontal plate and a second vertical plate.

[0015] The horizontal plate is located on one side of the first vertical plate and divides the first vertical plate into upper and lower parts. The horizontal plate is located on the upper end of the second vertical plate and is fixedly connected thereto. The second vertical plate is perpendicular to both the horizontal plate and the first vertical plate.

[0016] A second light hole is opened on the second vertical plate; the first connecting member is a nylon rivet, and the ink cartridge, the first connecting plate and the driving connecting frame are detachably connected as a whole by inserting the nylon rivet connected to the ink cartridge holder into the corresponding first light hole and the second light hole in sequence.

[0017] A hole for installing a sliding sleeve is respectively provided on the upper and lower parts of the first vertical plate. The sliding sleeve is inserted into the corresponding hole and connected to the first vertical plate by bolts.

[0018] As a further improvement, both left and right sides of the second vertical plate extend outward to form a second connecting ear, and a third connecting hole for connecting to the ink cartridge connecting frame is provided on the second connecting ear. By extending the second connecting ear out of both sides of the second vertical plate, this design is intended to leave assembly space for easy assembly.

[0019] The third connection hole is a threaded hole and is matched with the position of the second connection hole; the first connection plate and the ink cartridge drive mechanism are connected by screwing the screws into the second connection hole and the third connection hole. The threaded connection is easy to assemble, and an elastic gasket and a retaining spring are arranged between the first connection ear and the second connection ear, so that after being locked, the screw will not loosen during the operation of the printer, and the connection is firm.

[0020] The lower end of the second vertical plate is bent toward a side away from the ink cartridge connecting frame to form a fourth connecting plate, and a second through hole is formed in the bent portion; The second through hole includes two parts, namely, a first channel opened at the lower end of the second vertical plate for the T-shaped screw on the ink cartridge connecting frame to pass through, and a positioning bayonet opened on the second connecting plate for clamping the T-shaped screw on the ink cartridge connecting frame; the positioning bayonet is connected to the first channel, and the connection between the positioning bayonet and the first channel is wider and gradually shrinks in the direction away from the first channel.

[0021] During assembly, the ink cartridge module, the ink cartridge connecting frame and the ink cartridge driving connection are connected as one by clamping the T-screw in the clamping slot and screwing it into the threaded hole of the second connecting plate, thereby further achieving the purpose of stable assembly.

[0022] As a further improvement, a positioning block is provided on the ink cartridge connecting frame at a side away from the ink cartridge. During assembly, the positioning block is located between the ink cartridge holder and the first connecting plate and abuts against the ink cartridge holder, and the surface of the positioning block close to the ink cartridge is a vertical surface, so that the ink cartridge is kept in a vertical state and the ink cartridge is prevented from being offset and affecting the printing accuracy.

[0023] Further improvement, the transmission assembly is an endless belt, a fixed block is provided on the drive connecting frame, pulleys are provided on the printer housing bracket and the motor output shaft, the transmission belt is sleeved on the pulley and fixedly connected to the drive mechanism connecting frame through the fixed block.

[0024] Compared with the prior art, the present invention has the following beneficial effects: The ink cartridges of different specifications developed by the applicant are detachably connected to the corresponding ink cartridge holders, and after assembly, they serve as independent ink cartridge modules. The ink cartridge connecting frame is located between the drive connecting frame and the ink cartridge module, and the three are detachably connected. Through the drive connecting frame, ink cartridge connecting frame, and ink cartridge holder described in the present application, ink cartridge modules of different specifications can be connected through the same drive connecting frame and ink cartridge connecting frame, which has strong versatility, is easy to assemble, and saves costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a structural diagram of the ink cartridge drive mechanism of the printer described in this application; Figure 2 This is a schematic diagram of the structure of the ink cartridge drive mechanism of the printer described in this application, excluding the ink cartridge module; Figure 3 is a schematic diagram of the structure of the ink cartridge holder; Figure 4 is a rear view of the ink cartridge holder; Figure 5 The result schematic diagram of the ink cartridge connection frame; Figure 6 It is a schematic diagram of the structure of the drive connecting frame; Figure 7 is a schematic structural diagram of a third connecting plate; Figure 8 This is a schematic diagram of the structure after the cartridge module, connecting frame and drive connecting frame are assembled. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] like Figure 1 , 2 As shown, the ink cartridge driving mechanism of the printer includes a motor 500 mounted on a printer housing bracket, a guide rod 800, and an ink cartridge assembly that is driven by the motor to reciprocate along the guide rod.

[0028] In this embodiment, the ink cartridge assembly includes a driving connection frame 400 , an ink cartridge connection frame 300 , an ink cartridge holder 200 and an ink cartridge 100 .

[0029] The driving connecting frame 400 is sleeved on the guide rod 800 through a sliding sleeve 401, and the driving connecting frame 400 is connected to the transmission assembly.

[0030] Ink cartridges of different specifications are detachably connected to corresponding ink cartridge brackets, and after assembly, they serve as independent ink cartridge modules; the ink cartridge connecting frame is located between the driving connecting frame and the ink cartridge module, and the three are detachably connected; The motor 500 drives the driving mechanism connecting frame 400, the ink cartridge connecting frame 200 and the ink cartridge module to move along the guide rod through the transmission assembly to perform printing.

[0031] Through the drive connecting frame, ink cartridge connecting frame, and ink cartridge bracket described in the present application, ink cartridge modules of different specifications can be connected through the same drive connecting frame and ink cartridge connecting frame, which has strong versatility, is easy to assemble, and saves costs.

[0032] In this embodiment, if Figure 3 , 4 As shown, the ink cartridge holder 200 is as a whole " The frame structure comprises a back plate 203, two side plates 202 and a top plate 201; the ink cartridge 100 is detachably mounted in the cavity of the frame structure.

[0033] In this embodiment, if Figure 4 As shown, a circuit board 204 is provided on the inner side of the back plate 203, and a plurality of metal needles are provided on the circuit board. The ink cartridge is provided with a corresponding number of metal contacts. After the ink cartridge is inserted into the ink cartridge holder, the metal contacts contact the corresponding metal needles, and the circuit board is electrically connected to the printer control component through the wire; the ink cartridge and the printer control component transmit signals to realize inkjet printing.

[0034] In other embodiments, the ink cartridge and the circuit board may be electrically connected by other means, such as a plug-in wire connection.

[0035] A first connector for connecting with an ink cartridge connector is arranged on the outer side of the back plate.

[0036] In this embodiment, the lower ends of the two side plates 202 protrude inward to form a limiting boss 207; an operation window is provided on the top plate 201 to facilitate the assembly of the ink cartridge, and a positioning member 205 is provided at the operation window; the positioning member includes a first rotating shaft, a torsion spring 2051 and a pressure block 2052; the two ends of the first rotating shaft are rotatably connected to the corresponding side plates, the pressure block is located between the two side plates, and is integrally formed with the first rotating shaft, and the lower surface of the pressure block is arc-shaped; the torsion spring is sleeved on the first rotating shaft, one end of the torsion spring is abutted against the top plate, and the other end is abutted against the pressure block.

[0037] A positioning protrusion 101 is disposed on the top of the ink cartridge 100 , and the upper surface of the positioning protrusion is an arc surface. The arc surface design facilitates the pressing block to pass over the positioning protrusion on the top of the ink cartridge.

[0038] The two sides of the lower end of the ink cartridge are pressed against the corresponding limit bosses, and then the ink cartridge is pushed toward the side close to the back plate. In the initial stage, the positioning protrusion on the top of the ink cartridge presses against the lower surface of the pressure block. The ink cartridge continues to be pushed, and the positioning protrusion pushes the pressure block to rotate a certain angle around the first rotating axis. At this time, the torsion spring is twisted, so that the pressure block of the positioning member can pass over the positioning protrusion on the top of the ink cartridge; after passing over the positioning protrusion, under the action of the restoring force of the torsion spring, the pressure block rotates in the opposite direction at a certain angle and then presses against the top of the ink cartridge, thereby achieving the effect of pressing and locking the ink cartridge.

[0039] When the ink cartridge needs to be replaced, the pressure block is manually rotated away from the positioning protrusion and the ink cartridge is pushed toward the side away from the back plate so that the pressure block of the positioning piece can pass over the positioning protrusion on the top of the ink cartridge; then the ink cartridge is continued to be pushed toward the side away from the back plate, and the ink cartridge can be easily taken out, which is very convenient.

[0040] In other embodiments, for ink cartridges of other specifications developed by the applicant, corresponding ink cartridge holders are designed. However, the agricultural connection frame and the driving connection frame can be universal.

[0041] In this embodiment, if Figure 5 As shown, the ink cartridge connecting frame 300 includes an integrally formed first connecting plate, on which a first connecting hole 310 for connecting to the ink cartridge holder and a second connecting hole 320 for connecting to the drive connecting frame are formed; the lower end of the first connecting plate is folded toward a side away from the ink cartridge to form a second connecting plate 340, on which a threaded hole 341 is formed, in which a T-screw 450 for connecting to the drive connecting frame is inserted.

[0042] In this embodiment, the left and right ends of the first connecting plate extend outward to form two first connecting ears 330, each of which has a second connecting hole 320; the second connecting hole is a threaded hole; the first connecting holes are two first light holes. By extending the first connecting ears out of both sides of the first connecting plate, this design is to leave assembly space for easy assembly.

[0043] In this embodiment, if Figure 6 , 7 As shown, the driving connecting frame 400 includes a third connecting plate, which is made of sheet metal and integrally formed; and includes a first vertical plate 410 , a horizontal plate 420 and a second vertical plate 430 .

[0044] The horizontal plate 420 is located on one side of the first vertical plate and divides the first vertical plate into upper and lower parts. The horizontal plate is located on the upper end of the second vertical plate and is fixedly connected thereto. The second vertical plate is perpendicular to both the horizontal plate and the first vertical plate.

[0045] A second light hole is opened on the second vertical plate, and the first connecting member 206 is a nylon rivet. The ink cartridge, the first connecting plate and the driving connecting frame can be detachably connected as a whole by inserting the nylon rivet connected to the ink cartridge holder into the corresponding first light hole and the second light hole in sequence.

[0046] The first vertical plate 410 is provided with a hole 411 for installing a sliding sleeve on the upper and lower parts respectively. The sliding sleeve 401 is inserted into the corresponding hole and connected to the first vertical plate by bolts.

[0047] In this embodiment, both left and right sides of the second vertical plate extend outward to form a second connecting ear 431, and the second connecting ear is provided with a third connecting hole 432 for connecting to the ink cartridge connecting frame. By extending the second connecting ear out of both sides of the second vertical plate, this design is intended to leave assembly space for easy assembly.

[0048] The third connection hole 432 is a threaded hole and matches the position of the second connection hole; the first connection plate and the ink cartridge drive mechanism are connected by screwing the screw 460 into the second connection hole and the third connection hole. The threaded connection is easy to assemble, and an elastic gasket and a retaining spring are provided between the first connection ear and the second connection ear, so that after being locked, the screw will not loosen during the operation of the printer, and the connection is firm.

[0049] The lower end of the second vertical plate is bent toward a side away from the ink cartridge connecting frame to form a fourth connecting plate 440, and the bent portion is provided with a second through hole 441. The second through hole includes two parts, namely, a first channel opened at the lower end of the second vertical plate for the T-shaped screw 450 on the ink cartridge connecting frame to pass through, and a positioning bayonet opened on the second connecting plate for clamping the T-shaped screw on the ink cartridge connecting frame; the positioning bayonet is connected to the first channel, and the connection between the positioning bayonet and the first channel is relatively wide, and is gradually reduced in a direction away from the first channel.

[0050] During assembly, the ink cartridge module, the ink cartridge connection frame and the ink cartridge drive connection are connected as one by inserting the T-screw into the slot and screwing it into the threaded hole of the second connection plate, thereby further achieving the purpose of stable assembly. The assembly structure is as follows: Figure 8 shown.

[0051] In this embodiment, a positioning block is provided on the side of the ink cartridge connecting frame away from the ink cartridge. During assembly, the positioning block is located between the ink cartridge holder and the first connecting plate and abuts against the ink cartridge holder, and the surface of the positioning block close to the ink cartridge is a vertical surface, so that the ink cartridge is kept in a vertical state and the ink cartridge is prevented from being offset and affecting the printing accuracy.

[0052] In this embodiment, the transmission assembly is an endless belt 700, a fixed block 402 is provided on the drive connecting frame, pulleys are provided on the printer housing bracket and the motor output shaft, the transmission belt is sleeved on the pulley and fixedly connected to the drive mechanism connecting frame through the fixed block.

[0053] Based on the above ideal embodiments of the present invention, the relevant staff can make various changes and modifications without departing from the technical concept of the present invention through the above description. The technical scope of the present invention is not limited to the contents of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A printer ink cartridge drive mechanism, characterized in that: The invention comprises a motor and a guide rod which are installed on a printer housing support, and an ink cartridge assembly which is driven by the motor to move back and forth along the guide rod.

2. The printer ink cartridge drive mechanism according to claim 1, characterized in that: The ink cartridge assembly comprises a drive connecting frame, an ink cartridge connecting frame, an ink cartridge bracket and an ink cartridge; The drive connecting frame is sleeved on the guide rod through a sliding sleeve, and the drive connecting frame is connected to the transmission assembly; Ink cartridges of different specifications are detachably connected to corresponding ink cartridge brackets, and after assembly, they serve as independent ink cartridge modules; the ink cartridge connecting frame is located between the driving connecting frame and the ink cartridge module, and the three are detachably connected; The motor drives the driving mechanism connecting frame, the ink cartridge connecting frame and the ink cartridge module to move along the guide rod through the transmission component to perform printing.

3. The printer ink cartridge drive mechanism according to claim 2, characterized in that: The ink cartridge holder as a whole is "A frame structure comprising a back plate, two side plates and a top plate; the ink cartridge is detachably mounted in a cavity of the frame structure; A circuit board is arranged on the back plate for being electrically connected to the ink cartridge, and the circuit board is electrically connected to the printer control component through a wire; A first connector for connecting with an ink cartridge connector is arranged on the outer side of the back plate.

4. The printer ink cartridge drive mechanism according to claim 3, characterized in that: The lower ends of the two side plates protrude inwards to form a limiting boss; An operation window is provided on the top plate, and a positioning member is provided at the operation window; the positioning member comprises a first rotating shaft, a torsion spring and a pressure block; both ends of the first rotating shaft are rotatably connected with the corresponding side plates, the pressure block is located between the two side plates and is integrally formed with the first rotating shaft, and the lower surface of the pressure block is arc-shaped; the torsion spring is sleeved on the first rotating shaft, one end of the torsion spring abuts against the top plate, and the other end abuts against the pressure block; A positioning protrusion is arranged on the top of the ink cartridge, and the upper surface of the positioning protrusion is a curved surface.

5. The printer ink cartridge driving mechanism according to claim 4, characterized in that: The ink cartridge connecting frame comprises an integrally formed first connecting plate, the first connecting plate is provided with a first connecting hole for connecting to the ink cartridge holder, and is provided with a second connecting hole for connecting to the driving connecting frame; The lower end of the first connecting plate is folded toward a side away from the ink cartridge to form a second connecting plate. The second connecting plate is provided with a threaded hole, in which a T-shaped screw for connecting the driving connecting frame is inserted.

6. The printer ink cartridge drive mechanism according to claim 4, characterized in that: The left and right ends of the first connecting plate extend outward to form two first connecting ears, and each first connecting ear is provided with a second connecting hole; the second connecting hole is a threaded hole; and the first connecting holes are two first light holes.

7. The printer ink cartridge drive mechanism according to claim 5, characterized in that: The driving connection frame includes a third connection plate, which is processed by sheet metal and integrally formed; and includes a first vertical plate, a horizontal plate, and a second vertical plate; The horizontal plate is located on one side of the first vertical plate and divides the first vertical plate into an upper part and a lower part. The horizontal plate is located on the upper end of the second vertical plate and is fixedly connected thereto. The second vertical plate is perpendicular to both the horizontal plate and the first vertical plate. The second vertical plate is provided with a second light hole; the first connecting member is a nylon rivet, and the ink cartridge, the first connecting plate and the driving connecting frame are detachably connected to each other as a whole by inserting the nylon rivet connected to the ink cartridge holder into the corresponding first light hole and the second light hole in sequence; A hole for installing a sliding sleeve is respectively provided on the upper and lower parts of the first vertical plate. The sliding sleeve is inserted into the corresponding hole and connected to the first vertical plate by bolts.

8. The printer ink cartridge driving mechanism according to claim 7, characterized in that: The left and right sides of the second vertical plate are extended outward to form second connecting ears, and the second connecting ears are provided with third connecting holes for connecting with the ink cartridge connecting frame, and the third connecting holes are threaded holes and are matched with the positions of the second connecting holes; the first connecting plate and the ink cartridge driving mechanism are connected by screwing screws into the second connecting holes and the third connecting holes; The lower end of the second vertical plate is bent toward a side away from the ink cartridge connecting frame to form a fourth connecting plate, and a second through hole is formed in the bent portion; The second through hole includes two parts, namely, a first channel opened at the lower end of the second vertical plate for the T-shaped screw on the ink cartridge connecting frame to pass through, and a positioning bayonet opened on the second connecting plate for clamping the T-shaped screw on the ink cartridge connecting frame; the positioning bayonet is connected to the first channel, and the connection between the positioning bayonet and the first channel is wider and gradually shrinks in the direction away from the first channel.

9. The printer ink cartridge drive mechanism according to any one of claims 1 to 8, characterized in that: A positioning block is arranged on a side of the ink cartridge connecting frame away from the ink cartridge.

10. The printer ink cartridge driving mechanism according to claim 9, characterized in that: The transmission component is an endless belt, a fixed block is arranged on the driving connecting frame, pulleys are arranged on the printer housing bracket and the motor output shaft, the transmission belt is sleeved on the pulley and fixedly connected to the driving mechanism connecting frame through the fixed block.

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