CN220010155U - Quantitative tin paste split charging equipment - Google Patents

Abstract

The utility model relates to a solder paste ration partial shipment equipment, this solder paste ration partial shipment equipment include frame, pressure disk subassembly, jar body, evacuating device, charging assembly and control system. The driving piece drives the pressure disk to lift, is equipped with external evacuating device of extraction opening on the pressure disk, and the below of pressure disk is located to the jar body, and the holding chamber of jar body and pressure disk size looks adaptation can form sealedly, and the subassembly of charging includes electronic scale and charging cup, and the charging cup supports the solder paste that is used for receiving jar body's valve outflow on the electronic scale, and control system signal connection is in valve and electronic scale, and control system includes switch and controller, can open the valve when the switch is triggered, and the solder paste in the holding chamber flows into the charging cup through the valve and closes the valve when the weight that the controller weighed in the electronic scale reaches the default weight. The quantitative tin paste split charging equipment can obtain accurate split charging results, and the pressure plate and the tank body are arranged in a liftable and separable manner, so that the introduction of impurities into tin paste can be avoided, and the cleanliness of the tin paste split charging process is improved.

Description

Quantitative tin paste split charging equipment

Technical Field

The disclosure relates to the technical field of solder paste split charging, in particular to solder paste quantitative split charging equipment.

Background

Solder paste is a novel welding material which is generated along with SMT, in actual production, soldering tin powder, soldering flux, other surfactants, thixotropic agents and the like are required to be mixed to form a paste mixture, and the paste mixture is split-packed after preparation is finished so as to facilitate subsequent welding.

The solder paste split charging equipment in the related art comprises a container body and a containing mechanism, wherein the container body is provided with a top cover, the top cover plays a role of a closed containing cavity, a vertical through hole is formed in the top cover, an air pipe is arranged in the vertical through hole, the middle section of the air pipe is connected with an air pump, external air is pumped into the containing cavity through the air pump and the air pipe, and solder paste in the containing cavity is extruded from a discharging pipe under the action of air pressure. Before the tin paste is split, the top cover is required to be separated, the tin paste to be split is injected into the accommodating cavity, one part of the air pipe is exposed out of the vertical through hole, pollution is easy to cause, impurities can be introduced into the tin paste in the accommodating cavity, and the problem of impure tin paste obtained by split charging is caused.

Disclosure of Invention

The purpose of the present disclosure is to provide a tin cream ration partial shipment equipment to overcome partial shipment process container body and introduce impurity and lead to the impure problem of tin cream that the partial shipment obtained, guarantee the purity degree of tin cream that the partial shipment obtained.

In order to solve the technical problems, the following technical scheme is adopted in the present disclosure.

The present disclosure provides a solder paste ration partial shipment equipment, this solder paste ration partial shipment equipment includes: a frame; the pressure plate assembly comprises a pressure plate and a driving piece, the pressure plate is connected to the rack in a lifting manner, an extraction opening is formed in the pressure plate, and the driving piece drives the pressure plate to lift; the tank body is arranged below the pressure plate, a containing cavity for storing solder paste is arranged in the tank body, an opening for the pressure plate to extend in is formed in the top of the containing cavity, the size of the inner peripheral wall of the containing cavity is matched with the size of the periphery of the pressure plate, so that sealing is formed when the pressure plate extends into the containing cavity, and a valve communicated with the containing cavity is further arranged on the tank body; the vacuumizing device is communicated with the air extracting opening and is used for vacuumizing the accommodating cavity when the pressure plate stretches into the accommodating cavity; the charging assembly comprises an electronic scale and a charging cup, the charging cup is supported on the electronic scale, and the charging cup is used for receiving solder paste flowing out of the valve; the control system is connected with the valve, the driving piece and the electronic scale through signals, the control system comprises a switch and a controller, the valve can be opened when the switch is triggered, the driving piece drives the pressure plate to contact with solder paste and push the solder paste to flow out of the valve, and the controller closes the valve when the weight weighed by the electronic scale reaches the preset weight.

According to some embodiments of the utility model, the solder paste quantitative packaging device further comprises: the supporting component comprises a supporting plate and a driving source, wherein the supporting plate is connected to the frame in a lifting manner and is used for supporting the bottom of the tank body, and the driving source drives the supporting plate to drive the tank body to lift.

In some embodiments of the present utility model, two support plates are disposed in parallel and spaced apart for supporting two sides of the bottom of the tank.

According to some embodiments of the utility model, rollers are further arranged at the bottom of the tank body, and the height of the rollers is greater than or equal to the thickness of the supporting plate.

According to some embodiments of the utility model, the solder paste quantitative split charging equipment further comprises a limiting block; the limiting block is movably connected to the frame and is in a locking state and an unlocking state; in the locking state, the limiting block moves to the lower part of the supporting plate to form a support so as to prevent the supporting plate from descending; in the unlocking state, the limiting block moves to one lateral side of the supporting plate to avoid the position, so that the supporting plate can descend.

According to some embodiments of the utility model, the frame is provided with a perforation; the limiting block can be arranged in the through hole in a transversely moving way so as to be switched between a locking state and an unlocking state.

According to some embodiments of the utility model, a rack is provided with a guide rail extending vertically; the supporting plate is provided with a sliding block which is connected with the guide rail in a sliding way.

According to some embodiments of the utility model, the switch is a pedal; the pedal device is connected with the controller through signals, the pedal and the induction type sensor are sequentially connected with the base from top to bottom, and the return spring is arranged between the pedal and the base; when acting on the footboard, inductive sensor transmits the signal to the controller, and the controller controls the valve to open, and reset spring has the elasticity of reply.

According to some embodiments of the utility model, the driving member is a hydraulic cylinder; the hydraulic cylinder comprises a cylinder body and a piston rod; the cylinder body is fixed on the frame; the piston rod is connected to the pressure plate. The method comprises the steps of carrying out a first treatment on the surface of the The control system also comprises a hydraulic station, the hydraulic station is communicated with the cylinder body, and the controller controls hydraulic oil exchange between the hydraulic station and the cylinder body so as to control the movable stroke of the piston rod.

In some embodiments of the utility model, the hydraulic station further comprises a hydraulic pump, wherein the output power of the hydraulic pump is constant, so that the exchange amount of hydraulic oil between the hydraulic station and the hydraulic cylinder is constant, and the hydraulic cylinder drives the pressing plate to contact the solder paste and apply constant pressure to the solder paste.

According to the technical scheme, the embodiment of the disclosure has at least the following advantages and positive effects:

in the tin cream ration partial shipment equipment of this disclosed embodiment, form sealedly when the driving piece drive pressure disk stretches into the holding chamber of jar body, external evacuating device of extraction opening on the pressure disk makes and is in the vacuum state in the holding chamber, can effectively arrange the bubble in the tin cream, trigger switch opens the valve on the jar body through the controller, driving piece drive pressure disk and tin cream contact and push down the tin cream for tin cream in the holding chamber falls into the charging cup from the valve, close the valve when the weight that the electronic scale of charging assembly weighed reaches the default weight, from this partial shipment action end, repeated trigger switch alright accomplish the multiple partial shipment to the tin cream. Through the cooperation between each part of solder paste ration partial shipment equipment, accomplished the partial shipment to the solder paste, can obtain accurate partial shipment result, the pressure disk is connected in the frame with the liftable, can realize the separation of pressure disk and jar body through the elevating movement, thereby avoid because the separation is placed and is led to the problem of impurity to the solder paste because of polluting, improved the cleanliness factor of solder paste partial shipment process.

Drawings

Various objects, features and advantages of the present disclosure will become more apparent from the following detailed description of the preferred embodiments of the disclosure, when taken in conjunction with the accompanying drawings. The drawings are merely exemplary illustrations of the present disclosure and are not necessarily drawn to scale. In the drawings, like reference numerals refer to the same or similar parts throughout.

Wherein:

fig. 1 is a perspective view of a solder paste dispensing apparatus according to an embodiment of the present disclosure.

Fig. 2 is a front view of fig. 1.

The reference numerals are explained as follows: 1. a frame; 2. a platen assembly; 21. a pressure plate; 22. a driving element (hydraulic cylinder); 211. an extraction opening; 3. a tank body; 31. a receiving chamber; 32. a valve; 33. a roller; 4. a charging assembly; 41. an electronic scale; 42. a charging cup; 5. a control system; 51. a switch (pedal); 52. a controller; 53. a hydraulic station; 6. a support assembly; 61. a support plate; 7. a limiting block; 8. a control box; 9. a guide rail; 10. a slide block; 11. and (5) vacuumizing the device.

Detailed Description

While this disclosure may be susceptible to embodiment in different forms, there is shown in the drawings and will herein be described in detail, specific embodiments thereof with the understanding that the present disclosure is to be considered as an exemplification of the principles of the disclosure and is not intended to limit the disclosure to that as illustrated herein.

Thus, rather than implying that each embodiment of the present disclosure must have the illustrated features, one feature noted in this specification will be used to illustrate one of the features of an embodiment of the present disclosure. Furthermore, it should be noted that the present specification describes a number of features. Although certain features may be combined together to illustrate a possible system design, such features may be used in other combinations not explicitly described. Thus, unless otherwise indicated, the illustrated combinations are not intended to be limiting.

In the embodiments shown in the drawings, indications of orientation (such as up, down, left, right, front and rear) are used to explain the structure and movement of the various elements of the disclosure as opposed to absolute. These descriptions are appropriate when these elements are in the positions shown in the drawings. If the description of the position of these elements changes, the indication of these directions changes accordingly.

Fig. 1 is a perspective view of a solder paste dispensing apparatus according to an embodiment of the present disclosure. Fig. 2 is a front view of a solder paste dispensing apparatus according to an embodiment of the present disclosure.

Referring to fig. 1, a solder paste quantitative packaging device provided in an embodiment of the present disclosure includes a frame 1, a platen assembly 2, a can 3, a vacuum-pumping device 11, a charging assembly 4, and a control system 5.

The pressure plate assembly 2 comprises a pressure plate 21 and a driving piece 22, wherein the pressure plate 21 is connected to the frame 1 in a lifting manner, an extraction opening 211 is formed in the pressure plate 21, and the driving piece 22 drives the pressure plate 21 to lift. The jar body 3 is located the below of pressure disk 21, is equipped with the holding chamber 31 that is used for storing the solder paste in the jar body 3, and the top of holding chamber 31 has the opening that supplies pressure disk 21 to stretch into, the size looks adaptation of the internal perisporium of holding chamber 31 and the size looks adaptation of the periphery of pressure disk 21 to form sealedly when pressure disk 21 stretches into holding chamber 31, still be equipped with the valve 32 of intercommunication holding chamber 31 on the jar body 3. The vacuumizing device 11 is communicated with the vacuumizing hole 211 and is used for vacuumizing the accommodating cavity 31 when the pressure plate 21 stretches into the accommodating cavity 31. The charging assembly 4 includes an electronic scale 41 and a charging cup 42, the charging cup 42 being supported on the electronic scale 41, the charging cup 42 being adapted to receive solder paste flowing out of the valve 32. The control system 5 is connected to the valve 32 and the electronic scale 41 in a signal manner, the control system 5 comprises a switch 51 and a controller 52, the switch can open the valve 32 when triggered, and the controller 52 can close the valve 32 when the weight weighed by the electronic scale 41 reaches a preset weight.

When the driving piece 22 drives the pressure plate 21 to extend into the accommodating cavity 31 of the tank body 3 to form sealing, the air suction opening 211 on the pressure plate 21 is externally connected with the vacuumizing device 11 to enable the accommodating cavity 31 to be in a vacuum state, air bubbles in solder paste can be effectively discharged, the trigger switch 51 opens the valve 32 on the tank body 3 through the controller 52, so that solder paste in the accommodating cavity 31 falls into the charging cup 42 from the valve 32, the valve 32 is closed when the weight weighed by the electronic scale 41 of the charging assembly 4 reaches the preset weight, and the repeated trigger switch 51 can finish multiple sub-packaging of the solder paste after the sub-packaging action is finished. Through the cooperation between each part of solder paste ration partial shipment equipment, accomplished the partial shipment to the solder paste, can obtain accurate partial shipment result, platen 21 liftable connect in frame 1, can realize the separation of platen 21 and jar body 3 through the elevating movement, thereby avoid because the separation is placed and is led to the problem of impurity to the solder paste because of polluting, improved the cleanliness factor of solder paste partial shipment process.

In this embodiment, the valve 32 is provided at a position near the bottom of the tank 3. The valve 32 is arranged at a position close to the bottom, so that solder paste can smoothly flow out of the valve 32 under the action of the pressure plate 21, and a large amount of solder paste is prevented from remaining in the tank 3, thereby improving the efficiency of solder paste split charging work.

In the present embodiment, the valve 32 is a pneumatic soft rubber valve, and the valve 32 is connected to the control system 5 through a hose (the hose is not shown in the drawings). When the switch 51 is triggered, the control system 5 controls the opening of the valve by inflation of the hose. When the weight weighed by the electronic scale 41 of the charging assembly 4 reaches the preset weight, the control system 5 controls the valve to close through hose air release.

Referring to fig. 1 to 2, the solder paste quantitative dispensing apparatus further includes a support assembly 6, the support assembly 6 includes a support plate 61 and a driving source (the driving source is not shown in the drawing), the support plate 61 is connected to the frame 1 in a liftable manner, the support plate 61 is used for supporting the bottom of the can 3, and the driving source drives the support plate 61 to drive the can 3 to lift. The two support plates 61 are arranged in parallel and at intervals and are respectively used for supporting two sides of the bottom of the tank body 3.

The backup pad 61 is used for supporting in the bottom of jar body 3, has played the fixed effect of support to jar body 3, and the drive source drive backup pad 61 drives jar body 3 and goes up and down, can adapt to the different high demands to jar body 3 in the partial shipment work. The two support plates 61 are arranged in such a way that their support and fixation to the tank 3 is more balanced and stable.

Referring to fig. 1 to 2, a roller 33 is further disposed at the bottom of the can 3, and the height of the roller 33 is greater than or equal to the thickness of the support plate 61.

The bottom of the tank body 3 is provided with a roller 33, so that the tank body 3 can move in the horizontal direction conveniently. Before the split charging operation, the tank 3 is pushed to move below the pressure plate 21 and corresponds to the support plate 61, and when the split charging operation is completed, the tank 3 is controlled to descend to the horizontal height, and the tank 3 is pulled at the moment to move out. The provision of the rollers 33 makes the movement of the can 3 more labor-saving. The height of the roller 33 is greater than or equal to the thickness of the support plate 61, so that a space is arranged between the tank 3 moving below the pressure plate 21 and the support plate 61 or the roller can just support the support plate 61, and the tank 3 can be smoothly moved in and out without being blocked.

Referring to fig. 1 to 2, the solder paste quantitative packaging device further includes a limiting block 7. The limiting block 7 is movably connected to the frame 1, and the limiting block 7 has a locking state and an unlocking state. In the locked state, the stopper 7 moves to the lower side of the support plate 61 to form a support to prevent the support plate 61 from being lowered. In the unlocked state, the stopper 7 is moved to a lateral side of the support plate 61 to avoid the position, so that the support plate 61 can be lowered.

The stopper 7 can be moved to the below of backup pad 61 and can form the support, prevents backup pad 61 and support the upper tank body 3 of backup pad 61 and drop in the partial shipment in-process to influence going on smoothly of partial shipment work. The limiting block 7 moves to one lateral side of the supporting plate 61 to avoid the position, and can adapt to the working requirement that the supporting plate 61 drives the tank body 3 to descend. The limiting block 7 can be movably connected to the frame 1, so that the stability of the tank body 3 in the split charging process can be further maintained, and meanwhile, the flexibility is high.

It should be noted that, the limiting block 7 may be movably connected to the frame 1, and when the limiting block 7 is movable between the locked state and the unlocked state, the limiting block 7 may be rotatably connected to the frame 1 or may be movably connected to the frame 1 in other non-rotatable manners.

Referring to fig. 2, in the present embodiment, a through hole is provided on a frame 1. The limiting block 7 is arranged at the through hole in a transversely movable manner so as to enable the limiting block 7 to be switched between a locking state and an unlocking state.

The stopper 7 has realized the swing joint with frame 1 through wearing to locate the perforation with following lateral shifting, and stopper 7 moves towards the one side that is close to backup pad 61 to be in the locking state, for backup pad 61 and jar body 3 provide holding power, stopper 7 moves to when contactless with backup pad 61 to the one side that keeps away from backup pad 61, is in the unblock state, and backup pad 61 can drive jar body 3 decline and can not receive the stopper 7's blocking.

Referring to fig. 1 to 2, the solder paste quantitative dispensing apparatus further includes a control box 8. The control box 8 is provided with a plurality of keys for controlling the driving member 22 and the driving source.

The keys on the control box 8 are respectively used for controlling the operation of the driving piece 22 and the driving source, and the pressure plate 21 and the tank body 3 are controlled to perform lifting movement by controlling the driving piece 22 and the driving source.

Referring to fig. 1 to 2, a rack 1 is provided with a vertically extending rail 9. The support plate 61 is provided with a slider 10 slidably connected to the guide rail 9.

The support plate 61 is liftably connected to the frame 1, and the support plate 61 is driven to lift by a driving source, and the arrangement of the guide rail 9 and the slider 10 provides guidance for the lifting movement of the support plate 61 on the frame 1.

Referring to fig. 1 to 2, the switch is a pedal 51. The pedal 51 is signally connected to the controller 52. In an embodiment not shown in the drawings, the pedal and the inductive sensor are connected to the base sequentially from top to bottom, and the return spring is disposed between the pedal and the base. When the pedal is acted on, the inductive sensor transmits a signal to the controller 52, the controller 52 controls the valve 32 to open, and the return spring has a return elastic force.

The switch is the pedal 51, when acting on the footboard, the inductive sensor in pedal 51 transmits the signal to controller 52, and controller 52 controls valve 32 to open to make the solder paste in the holding chamber 31 flow into charging cup 42 from valve 32, and the reset spring in pedal 51 can make the footboard resume initial state, is convenient for going on smoothly of next work. The pedal is selected, on the other hand, the hand can be liberated, the valve 32 is controlled to be opened by utilizing the action of the steps, the hand can perform the action of taking and placing the charging cup 42, and the quantitative tin paste split charging efficiency is improved.

At this time, the attention of the hands and eyes can be focused on other hand operations of the solder paste split charging equipment, so that the charging cup 42 can be replaced after one split charging is finished, the hands and feet act cooperatively, and the solder paste split charging efficiency is improved.

Referring to fig. 1-2, the driving member is a hydraulic cylinder 22. The hydraulic ram 22 includes a cylinder body and a piston rod. The cylinder body is fixed on the frame 1. The piston rod is connected to a pressure plate 21. The control system 5 further comprises a hydraulic station 53, and the hydraulic station 53 communicates with the cylinder, and the controller 52 controls the exchange of hydraulic oil between the hydraulic station 53 and the cylinder to control the movable stroke of the piston rod.

The controller 52 controls hydraulic oil exchange between the hydraulic station 53 and the cylinder body to drive the piston rod to move up and down, so that the hydraulic oil acts on the pressure plate 21 connected with the piston rod, the pressure plate 21 forms a closed space in the accommodating cavity 31, when the split charging work is performed, the hydraulic oil cylinder and the piston rod act on the pressure plate 21, the pressure plate 21 contacts and acts on solder paste in the accommodating cavity 31, and when the valve 32 is opened, the solder paste can flow out from the valve 32 under the pressure action of the pressure plate 21, and the split charging work can be performed stably.

The hydraulic station 53 further includes a hydraulic pump whose output power is constant so that the amount of hydraulic oil exchange between the hydraulic station 53 and the hydraulic cylinder 22 is constant so that the hydraulic cylinder 22 drives the platen 21 to contact the solder paste and applies a constant pressure to the solder paste.

The output power of the hydraulic pump is constant, so that the hydraulic oil exchange amount between the hydraulic station 53 and the hydraulic oil cylinder is constant, the piston rod drives the pressure plate 21 to contact with the solder paste in the accommodating cavity 31 under the driving of the hydraulic oil cylinder 22, the pressure plate 21 applies constant pressure to the solder paste, and the solder paste is pushed to flow out of the valve 32, so that the packaging work can be performed at a stable speed.

Through the technical content, the opening and closing of the valve 32 can be realized under the control of the control system 5, the pressure plate 21 contacts with solder paste and applies pressure to push the solder paste to flow out of the valve 32, so that quantitative split charging of the solder paste is completed, the tank body 3 is lifted on the frame 1 through the supporting component 6, the pressure plate 21 is connected to the frame 1 in a lifting manner, the pressure plate 21 forms a seal when stretching into the accommodating cavity 31 of the tank body 3, and the separation of the pressure plate 21 and the tank body 3 can be completed by controlling the lifting of the pressure plate 21 and the tank body 3 when the split charging work is finished, the problem that impurities are introduced to the solder paste due to pollution caused by separation placement is avoided, and the cleanliness of the solder paste split charging process is improved.

While the present disclosure has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration rather than of limitation. As the present disclosure may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.

Claims (10)

1. The utility model provides a solder paste ration partial shipment equipment which characterized in that includes:

a frame;

the pressure plate assembly comprises a pressure plate and a driving piece, the pressure plate is connected to the rack in a lifting manner, an extraction opening is formed in the pressure plate, and the driving piece drives the pressure plate to lift;

the tin paste storage device comprises a pressure plate, a tank body, a valve and a valve, wherein the pressure plate is arranged below the tank body, a containing cavity for storing tin paste is arranged in the tank body, an opening for the pressure plate to extend in is formed in the top of the containing cavity, the size of the inner peripheral wall of the containing cavity is matched with the size of the periphery of the pressure plate, so that sealing is formed when the pressure plate extends into the containing cavity, and the valve communicated with the containing cavity is further arranged on the tank body;

the vacuumizing device is communicated with the air extraction opening and is used for vacuumizing the accommodating cavity when the pressure plate stretches into the accommodating cavity;

the charging assembly comprises an electronic scale and a charging cup, the charging cup is supported on the electronic scale and is used for receiving solder paste flowing out of the valve;

the control system is in signal connection with the valve, driving piece and the electronic scale, control system includes switch and controller, the switch can be opened when being triggered the valve, the driving piece drive the pressure disk contacts the solder paste and promotes the solder paste to flow from the valve, the controller is when the weight that the electronic scale weighed reaches the default weight the valve.

2. The solder paste dispensing apparatus of claim 1, further comprising:

the support assembly comprises a support plate and a driving source, wherein the support plate is connected to the frame in a lifting manner, the support plate is used for supporting the bottom of the tank body, and the driving source drives the support plate to drive the tank body to lift.

3. The solder paste quantitative packaging equipment according to claim 2, wherein two supporting plates are arranged in parallel at intervals and are respectively used for supporting two sides of the bottom of the tank body.

4. The quantitative tin paste dispensing equipment according to claim 2, wherein rollers are further arranged at the bottom of the tank body, and the height of each roller is greater than or equal to the thickness of the supporting plate.

5. The solder paste quantitative subpackaging device according to claim 2, wherein the solder paste quantitative subpackaging device further comprises a limiting block;

the limiting block is movably connected to the rack and is in a locking state and an unlocking state;

in the locking state, the limiting block moves to the lower part of the supporting plate to form a support so as to prevent the supporting plate from descending;

in the unlocking state, the limiting block moves to one lateral side of the supporting plate to avoid the position, so that the supporting plate can descend.

6. The quantitative tin paste dispensing equipment according to claim 5, wherein the frame is provided with a perforation;

the limiting block can be arranged on the through hole in a transversely moving mode, so that the limiting block can be switched between the locking state and the unlocking state.

7. The quantitative solder paste dispensing equipment according to claim 2, wherein the rack is provided with a guide rail extending vertically;

the support plate is provided with a sliding block which is connected with the guide rail in a sliding way.

8. The solder paste quantitative packaging equipment according to claim 1, wherein the switch is a pedal;

the pedal device is in signal connection with the controller;

the pedal device comprises a base, a pedal, a return spring and an inductive sensor;

the pedal and the induction type sensor are sequentially connected to the base from top to bottom, and the return spring is arranged between the pedal and the base;

when acting on the footboard, the inductive sensor transmits a signal to the controller, the controller controls the valve to open, and the reset spring has a resilience.

9. The solder paste quantitative packaging equipment according to claim 1, wherein the driving piece is a hydraulic cylinder;

the hydraulic oil cylinder comprises a cylinder body and a piston rod;

the cylinder body is fixed on the frame;

the piston rod is connected to the pressure plate;

the control system further comprises a hydraulic station, the hydraulic station is communicated with the cylinder body, and the controller controls hydraulic oil exchange between the hydraulic station and the cylinder body so as to control the movable stroke of the piston rod.

10. The solder paste dispensing apparatus of claim 9, wherein the hydraulic station further comprises a hydraulic pump, the hydraulic pump having a constant output such that an amount of hydraulic oil exchanged between the hydraulic station and the hydraulic ram is constant such that the hydraulic ram drives the platen to contact the solder paste and apply a constant pressure to the solder paste.