CN221187834U - Automatic tin adding device and printing equipment - Google Patents

Automatic tin adding device and printing equipment Download PDF

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Publication number
CN221187834U
CN221187834U CN202322982470.XU CN202322982470U CN221187834U CN 221187834 U CN221187834 U CN 221187834U CN 202322982470 U CN202322982470 U CN 202322982470U CN 221187834 U CN221187834 U CN 221187834U
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China
Prior art keywords
tin
adding device
motor
automatic tin
plate
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CN202322982470.XU
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Chinese (zh)
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穆贵友
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Shenzhen Desen Precision Machine Co ltd
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Shenzhen Desen Precision Machine Co ltd
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Abstract

The utility model belongs to the technical field of solder paste printing, and particularly relates to an automatic tin adding device and printing equipment. The automatic tin adding device comprises an extrusion assembly, an on-off valve assembly and a tin storage tank, wherein a storage space and a tin outlet communicated with the storage space are arranged on the tin storage tank; the extrusion assembly comprises a first motor, a first screw rod, a first nut and a piston, wherein the output end of the first motor is connected with the first screw rod, the first nut is arranged on the piston and is in threaded connection with the first screw rod, and the piston is movably arranged in the storage space; the on-off valve component is communicated with the tin outlet and used for controlling on-off of the tin outlet. According to the utility model, the first motor can accurately control the rotation number of turns of the first screw, and the first screw can accurately control the lifting height of the piston in the storage space through the first nut, so that the purpose of accurately controlling the tin removal amount of the tin storage tank is achieved.

Description

Automatic tin adding device and printing equipment
Technical Field
The utility model belongs to the technical field of solder paste printing, and particularly relates to an automatic tin adding device and printing equipment.
Background
With the rapid development of the electronic industry, the technology of SMT (Surface Mounted Technology, surface assembly technology) is becoming perfect, and the SMT technology refers to a technology of printing and coating solder paste on a printed circuit board bonding pad, accurately attaching a surface-mounted component onto the bonding pad coated with the solder paste, heating the circuit board according to a specific reflow temperature curve to melt the solder paste, and forming a welding spot between the component and the printed circuit board after the alloy component of the solder paste is cooled and solidified to realize metallurgical connection.
With the continuous advancement of automation technology, automatic printers for automatically printing circuit boards have been used in various circuit board manufacturers. The tin adding device is used as an automatic tin supplying component of the automatic printer, and can quantitatively add the tin paste in the tin storage tank into the injector. In the prior art, although the tin adding device can add tin paste into the injector, the tin adding device has the problem of low tin adding precision.
Disclosure of utility model
The utility model solves the technical problem of low tin adding precision of a tin adding device in the prior art, and provides an automatic tin adding device and printing equipment.
In view of the above problems, the embodiment of the utility model provides an automatic tin adding device, which comprises an extrusion assembly, an on-off valve assembly and a tin storage tank, wherein a storage space and a tin outlet communicated with the storage space are arranged on the tin storage tank;
The extrusion assembly comprises a first motor, a first screw rod, a first nut and a piston, wherein the output end of the first motor is connected with the first screw rod, the first nut is arranged on the piston and is in threaded connection with the first screw rod, and the piston is movably arranged in the storage space;
The on-off valve component is communicated with the tin outlet and used for controlling on-off of the tin outlet.
Optionally, the on-off valve assembly comprises a movable driving piece, a sliding block provided with a through hole and a carrier plate provided with a sliding groove, wherein the sliding block is slidably arranged in the sliding groove, and the movable driving piece and the tin storage tank are both arranged on the carrier plate;
the output end of the movable driving piece is connected with the sliding block, and the movable driving piece is used for driving the sliding block to move in the sliding groove so as to control whether the through hole is communicated with the tin outlet.
Optionally, the automatic tin adding device comprises a first clamping plate provided with a first semicircular groove and a second clamping plate provided with a second semicircular groove, and the first clamping plate is mounted on the carrier plate and is in rotary connection with the second clamping plate;
The automatic tin adding device further comprises a first locking piece arranged on the first clamping plate and a second locking piece arranged on the second clamping plate, the first locking piece and the second locking piece are mutually locked, and the first semicircular groove and the second semicircular groove are encircled to form a fixing hole for fixing the tin storage tank.
Optionally, the lifting driving piece comprises a second motor, a first synchronous wheel, a second synchronous wheel, a first synchronous belt, a second screw rod and a second nut arranged on the fixing plate, the first motor is arranged on the back plate, the first synchronous belt is arranged at the output end of the second motor, the second synchronous wheel is arranged on the second screw rod, the first synchronous belt is sheathed on the first synchronous wheel and the second synchronous wheel, and the second nut is in threaded connection with the second screw rod.
Optionally, the automatic tin adding device further comprises a first guide rail installed on the back plate and a first sliding block installed on the fixed plate, and the first sliding block is in sliding connection with the first guide rail.
Optionally, the automatic tin adding device further comprises a support frame and a transverse driving piece arranged on the support frame; the transverse driving piece is connected with the back plate and used for driving the back plate to transversely move.
Optionally, the transverse driving piece comprises a third motor, a third synchronous wheel, a fourth synchronous wheel, a second synchronous belt and a wire clamp, wherein the third motor is installed on the support frame, the third synchronous wheel is installed at the output end of the third motor, the fourth synchronous wheel is rotatably installed on the support frame, and the second synchronous belt is sleeved on the third synchronous wheel and the fourth synchronous wheel;
The wire clamp is mounted on the back plate and meshed with the second synchronous belt.
Optionally, the automatic tin adding device further comprises a second guide rail installed on the supporting frame and a second sliding block installed on the backboard, and the second sliding block is in sliding connection with the second guide rail.
The utility model also provides printing equipment, which comprises the automatic tin adding device.
In the utility model, the on-off valve component controls the tin outlet of the tin storage tank to be in an off state, and the tin storage space of the tin storage tank stores tin paste; the on-off valve assembly controls the tin outlet to be in a conducting state, the first motor drives the first screw rod to rotate, the first screw rod drives the piston to descend in the storage space through the first nut, and the piston can extrude solder paste in the storage space through the tin outlet. Because the first motor can be accurately controlled the rotation number of turns of the first screw rod, the first screw rod can be accurately controlled through the first nut the lifting height of the piston in the storage space, so that the purpose of accurately controlling the tin removal amount of the tin storage tank is achieved.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram of an automatic tin adding device according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a part of an automatic tin adding device according to an embodiment of the present utility model;
FIG. 3 is a schematic view of an embodiment of an automatic tin-plating apparatus according to the present utility model;
FIG. 4 is a cross-sectional view of an automatic tin adding device according to an embodiment of the present utility model;
fig. 5 is a cross-sectional view of an on-off valve assembly of an automatic tin adding device according to an embodiment of the present utility model.
Reference numerals in the specification are as follows:
1. An extrusion assembly; 11. a first motor; 12. a first screw; 13. a first nut; 14. a piston; 2. an on-off valve assembly; 21. a moving driving member; 22. a slide block; 221. a through hole; 23. a carrier plate; 231. a chute; 3. a tin storage tank; 31. a storage space; 4. a first clamping plate; 5. a second clamping plate; 61. a back plate; 62. a fixing plate; 7. a lifting driving member; 71. a second motor; 72. a first synchronizing wheel; 73. a second synchronizing wheel; 74. a first synchronization belt; 75. a second screw; 76. a second nut; 77. a first guide rail; 78. a first slider; 8. a support frame; 9. a lateral drive member; 91. a third motor; 92. a fourth synchronizing wheel; 93. a second timing belt; 94. a wire clamp; 95. and a second guide rail.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects solved by the utility model more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
It is to be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "rear", "middle", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the utility model.
As shown in fig. 1, 2 and 4, an embodiment of the present utility model provides an automatic tin adding device, which includes an extrusion assembly 1, an on-off valve assembly 2 and a tin storage tank 3, wherein the tin storage tank 3 is provided with a storage space 31 and a tin outlet (not shown in the figure) communicating with the storage space 31; it will be appreciated that the tin outlet is provided at the bottom of the tin reservoir 3.
The extrusion assembly 1 comprises a first motor 11, a first screw rod 12, a first nut 13 and a piston 14, wherein the output end of the first motor 11 is connected with the first screw rod 12, the first nut 13 is arranged on the piston 14 and is in threaded connection with the first screw rod 12, and the piston 14 is movably arranged in the storage space 31; it is to be understood that the first motor 11 includes, but is not limited to, a servo motor, etc., the first screw 12 is provided with an external thread, the first nut 13 is provided with a threaded through hole, and the first nut 13 is sleeved on the first screw 12 through the external thread and the threaded through hole which are in threaded connection.
The on-off valve assembly 2 is communicated with the tin outlet and used for controlling on-off of the tin outlet. It will be appreciated that the on-off valve assembly 2 includes, but is not limited to, an on-off valve or the like.
In the utility model, the on-off valve assembly 2 controls the tin outlet of the tin storage tank 3 to be in an off state, and the storage space 31 of the tin storage tank 3 stores solder paste; the on-off valve assembly 2 controls the tin outlet to be in a conducting state, the first motor 11 drives the first screw rod 12 to rotate, the first screw rod 12 drives the piston 14 to descend in the storage space 31 through the first nut 13, and the piston 14 can extrude tin paste in the storage space 31 through the tin outlet. Because the first motor 11 can precisely control the rotation number of the first screw 12, the first screw 12 can precisely control the lifting height of the piston 14 in the storage space 31 through the first nut 13, so as to achieve the purpose of precisely controlling the tin removal amount of the tin storage tank 3.
In one embodiment, as shown in fig. 4 and 5, the on-off valve assembly 2 includes a moving driving member 21, a slider 22 provided with a through hole 221, and a carrier plate 23 provided with a chute 231, wherein the slider 22 is slidably mounted in the chute 231, and the moving driving member 21 and the tin can 3 are both mounted on the carrier plate 23; it will be appreciated that the movement driver 21 includes, but is not limited to, a linear motor, a pneumatic cylinder, a hydraulic cylinder, etc.
The output end of the moving driving member 21 is connected with the sliding block 22, and the moving driving member 21 is used for driving the sliding block 22 to move in the chute 231 so as to control whether the through hole 221 is communicated with the tin outlet.
Specifically, the moving driving member 21 drives the slider 22 to slide in the chute 231, and when the through hole 221 of the slider 22 moves below the tin outlet, the solder paste in the tin storage tank 3 can be output through the tin outlet and the through hole 221; when the plate surface of the sliding block 22 moves to the lower part of the tin outlet, the sliding block 22 can play a role in blocking the tin outlet. In this embodiment, the on-off valve assembly 2 has a simple structure and low manufacturing cost.
In one embodiment, as shown in fig. 1 and 2, the automatic tin adding device comprises a first clamping plate 4 provided with a first semicircular groove and a second clamping plate 5 provided with a second semicircular groove, wherein the first clamping plate 4 is mounted on the carrier plate 23 and is in rotary connection with the second clamping plate 5; it will be appreciated that the first clamping plate 4 and the second clamping plate 5 are both located above the carrier plate 23.
The automatic tin adding device further comprises a first locking piece arranged on the first clamping plate 4 and a second locking piece arranged on the second clamping plate 5, the first locking piece and the second locking piece are mutually locked, and the first semicircular groove and the second semicircular groove encircle to form a fixing hole for fixing the tin storage tank 3.
As can be appreciated, when the first locking member is unlocked from the second locking member, the first clamping plate 4 and the second clamping plate 5 can be opened (i.e., the first semicircular groove and the second semicircular groove are separated from each other), so that the tin-storing can 3 can be released from the first clamping plate 4 and the second clamping plate 5; when first latch fitting with second latch fitting is detained each other, first splint 4 with second splint 5 close and close, first semicircle shape groove with second semicircle shape groove surrounds into the fixed orifices that is used for fixing tin storage tank 3, thereby first splint 4 with second splint 5 can clip tin storage tank 3, carrier plate 23 can follow the bottom support tin storage tank 3, in this embodiment, the dismouting easy operation of tin storage tank 3.
In one embodiment, as shown in fig. 1 and 2, the automatic tin adding device further comprises a back plate 61, a fixing plate 62 and a lifting driving member 7, wherein the first motor 11 is mounted on the fixing plate 62, and the lifting driving member 7 is mounted on the back plate 61; the lifting driving piece 7 is connected with the fixing plate 62 and is used for driving the fixing plate 62 to lift. It will be appreciated that the lifting drive 7 includes, but is not limited to, a linear motor, a pneumatic cylinder, a hydraulic cylinder, a screw-nut arrangement, etc.
Specifically, the lifting driving member 7 may drive the pressing assembly 1 to lift through the fixing plate 62, so that the piston 14 may be moved out of the storage space 31 of the tin storage tank 3, and a user may replace the tin storage tank 3. In this embodiment, the design of the lifting driving member 7 is convenient for the user to replace the tin storage tank 3.
In an embodiment, as shown in fig. 1 and 2, the lifting driving member 7 includes a second motor 71, a first synchronizing wheel 72, a second synchronizing wheel 73, a first synchronizing belt 74, a second screw 75, and a second nut 76 mounted on the fixing plate 62, the first motor 11 is mounted on the back plate 61, the first synchronizing belt 74 is mounted on an output end of the second motor 71, the second synchronizing wheel 73 is mounted on the second screw 75, the first synchronizing belt 74 is sleeved on the first synchronizing wheel 72 and the second synchronizing wheel 73, and the second nut 76 is in threaded connection with the second screw 75. It is to be understood that the second screw 75 is provided with external threads, the second nut 76 is provided with a threaded through hole, and the second nut 76 is sleeved on the second screw 75 through the external threads and the threaded through hole which are in threaded connection.
Specifically, the second motor 71 drives the first synchronizing wheel 72 to rotate, the first synchronizing wheel 72 drives the second synchronizing wheel 73 to rotate through the first synchronizing belt 74, the second synchronizing wheel 73 drives the second screw 75 to rotate, and the second screw 75 drives the fixing plate 62 to move up and down through the second nut 76. In this embodiment, the lifting driving member 7 has a compact structure and small occupied space.
In one embodiment, as shown in fig. 2, the automatic tin adding device further comprises a first guide rail 77 mounted on the back plate 61 and a first slider 78 mounted on the fixing plate 62, wherein the first slider 78 is slidably connected with the first guide rail 77. As can be appreciated, the first guide rail 77 is mounted on the back plate 61 in a vertical direction, and the fixing plate 62 slides on the first guide rail 77 through the first slider 78 during the lifting process of the fixing plate 62 by the lifting driving member 7, so that the lifting stability of the fixing plate 62 is ensured.
In one embodiment, as shown in fig. 1 to 3, the automatic tin adding device further comprises a supporting frame 8 and a transverse driving member 9 mounted on the supporting frame 8; the transverse driving member 9 is connected to the back plate 61 and is used for driving the back plate 61 to move transversely. It will be appreciated that the lateral drive member 9 includes, but is not limited to, a linear motor, a pneumatic cylinder, a hydraulic cylinder, a screw-nut mechanism, etc.; the direction in which the transverse driving member 9 drives the back plate 61 to move is perpendicular to the direction in which the lifting driving member 7 drives the fixing plate 62 to move. In this embodiment, the horizontal driving member 9 drives the moving driving member 21, the pressing assembly 1, the on-off valve assembly 2, the tin storage tank 3, and the like to move horizontally through the back plate 61, so that the horizontal position of the automatic tin adding device can be adjusted.
In one embodiment, as shown in fig. 3, the transverse driving member 9 includes a third motor 91, a third synchronizing wheel (not shown in the drawing), a fourth synchronizing wheel 92, a second synchronizing belt 93, and a wire clip 94, where the third motor 91 is mounted on the support frame 8, the third synchronizing wheel is mounted on an output end of the third motor 91, the fourth synchronizing wheel 92 is rotatably mounted on the support frame 8, and the second synchronizing belt 93 is sleeved on the third synchronizing wheel and the fourth synchronizing wheel 92; it will be appreciated that the second timing belt 93 meshes with both the third timing wheel and the fourth timing wheel 92. Preferably, the third motor 91 is a servo motor.
The wire clamp 94 is mounted on the back plate 61 and engages with the second timing belt 93. It will be appreciated that the wire clamp 94 is engaged with the second timing belt 93, and the second timing belt 93 drives the back plate 61 to move laterally through the wire clamp 94.
Specifically, the third motor 91 drives the third synchronizing wheel to rotate, the third synchronizing wheel drives the second synchronizing belt 93 to move, and the second synchronizing belt 93 drives the back plate 61 to move through the wire clamp 94. In this embodiment, the transverse driving member 9 has a compact structure and high towing power.
In one embodiment, as shown in fig. 2, the automatic tin adding device further comprises a second guide rail 5 mounted on the support frame 8 and a second slider mounted on the back plate 61, and the second slider is slidingly connected with the second guide rail 5. As can be appreciated, during the movement of the back plate 61 by the transverse driving member 9, the back plate 61 slides on the second rail 5 through the second slider, so that the carrying capacity of the back plate 61 is increased.
In a specific embodiment, the automatic tin adding device comprises two tin storage tanks 3, two extrusion assemblies 1 and two on-off valve assemblies 2, wherein each tin storage tank 3 corresponds to one extrusion assembly 1 and one on-off valve assembly 2, and the two tin storage tanks 3 are designed so that one tin storage tank 3 can be in a standby state, and therefore the automatic tin adding device can continuously perform tin adding actions.
The utility model also provides printing equipment, which comprises the automatic tin adding device.
The foregoing description of the preferred embodiment of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. The automatic tin adding device is characterized by comprising an extrusion assembly, an on-off valve assembly and a tin storage tank, wherein a storage space and a tin outlet communicated with the storage space are arranged on the tin storage tank;
The extrusion assembly comprises a first motor, a first screw rod, a first nut and a piston, wherein the output end of the first motor is connected with the first screw rod, the first nut is arranged on the piston and is in threaded connection with the first screw rod, and the piston is movably arranged in the storage space;
The on-off valve component is communicated with the tin outlet and used for controlling on-off of the tin outlet.
2. The automatic tin adding device according to claim 1, wherein the on-off valve assembly comprises a movable driving piece, a sliding block provided with a through hole and a carrier plate provided with a sliding groove, the sliding block is slidably arranged in the sliding groove, and the movable driving piece and the tin storage tank are both arranged on the carrier plate;
the output end of the movable driving piece is connected with the sliding block, and the movable driving piece is used for driving the sliding block to move in the sliding groove so as to control whether the through hole is communicated with the tin outlet.
3. The automatic tin adding device according to claim 2, wherein the automatic tin adding device comprises a first clamping plate provided with a first semicircular groove and a second clamping plate provided with a second semicircular groove, and the first clamping plate is mounted on the carrier plate and is in rotary connection with the second clamping plate;
The automatic tin adding device further comprises a first locking piece arranged on the first clamping plate and a second locking piece arranged on the second clamping plate, the first locking piece and the second locking piece are mutually locked, and the first semicircular groove and the second semicircular groove are encircled to form a fixing hole for fixing the tin storage tank.
4. The automatic tin adding device according to claim 1, further comprising a back plate, a fixed plate, and a lifting drive, the first motor being mounted on the fixed plate, the lifting drive being mounted on the back plate; the lifting driving piece is connected with the fixed plate and used for driving the fixed plate to lift.
5. The automatic tin adding device according to claim 4, wherein the lifting driving member comprises a second motor, a first synchronous wheel, a second synchronous wheel, a first synchronous belt, a second screw rod and a second nut arranged on the fixing plate, the first motor is arranged on the back plate, the first synchronous belt is arranged at the output end of the second motor, the second synchronous wheel is arranged on the second screw rod, the first synchronous belt is sleeved on the first synchronous wheel and the second synchronous wheel, and the second nut is in threaded connection with the second screw rod.
6. The automatic tin adding device according to claim 4, further comprising a first guide rail mounted on the back plate and a first slider mounted on the fixed plate, the first slider being slidably connected to the first guide rail.
7. The automatic tin adding device according to claim 4, further comprising a support frame and a transverse driving member mounted on the support frame; the transverse driving piece is connected with the back plate and used for driving the back plate to transversely move.
8. The automatic tin adding device according to claim 7, wherein the transverse driving piece comprises a third motor, a third synchronous wheel, a fourth synchronous wheel, a second synchronous belt and a wire clamp, the third motor is installed on the supporting frame, the third synchronous wheel is installed at the output end of the third motor, the fourth synchronous wheel is rotatably installed on the supporting frame, and the second synchronous belt is sleeved on the third synchronous wheel and the fourth synchronous wheel;
The wire clamp is mounted on the back plate and meshed with the second synchronous belt.
9. The automatic tin adding device according to claim 7, further comprising a second guide rail mounted on the support frame and a second slider mounted on the back plate, the second slider being slidably connected to the second guide rail.
10. Printing apparatus comprising an automatic tin adding device according to any one of claims 1 to 9.
CN202322982470.XU 2023-11-01 2023-11-01 Automatic tin adding device and printing equipment Active CN221187834U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322982470.XU CN221187834U (en) 2023-11-01 2023-11-01 Automatic tin adding device and printing equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322982470.XU CN221187834U (en) 2023-11-01 2023-11-01 Automatic tin adding device and printing equipment

Publications (1)

Publication Number Publication Date
CN221187834U true CN221187834U (en) 2024-06-21

Family

ID=91495285

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322982470.XU Active CN221187834U (en) 2023-11-01 2023-11-01 Automatic tin adding device and printing equipment

Country Status (1)

Country Link
CN (1) CN221187834U (en)

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