Pressing equipment

Abstract

The utility model discloses press-fit equipment, which relates to the technical field of mechanical equipment and comprises a support, a bearing table arranged in the middle of the support and a press-fit component positioned above the bearing table. The pressing assembly comprises a fixing plate arranged at the top of the support, a pressing plate arranged in the support in a sliding fit mode, a driving part arranged on the fixing plate and a transmission plate arranged at the output end of the driving part, and the fixing plate, the pressing plate and the transmission plate are connected based on a connecting rod mechanism; the driving component is connected with the transmission plate based on driving of the lead screw, a movable section and a pressing section are arranged on the lead screw, the circumferential outer wall of the movable section is a smooth surface, and threads are arranged on the circumferential outer wall of the pressing section. And the transmission plate is in sliding fit in the movable section, or the transmission plate is in threaded connection with the pressing section. And the smooth movable section is arranged on the lead screw, so that the convenience of height adjustment of the pressing plate and the transmission plate is improved, and the convenience of feeding and discharging operation of the pressing equipment is improved.

Description

Technical Field

[0001] The utility model mainly relates to the technical field of mechanical equipment, in particular to a pressing device. Background Art

[0002] The document with application number 202311099215.9 proposes a pneumatic pressing device for a traction machine brake. The pressure of the pneumatic mechanism is amplified by a connecting rod amplifying mechanism. Therefore, only a smaller cylinder is needed to meet the high pressure requirements. The structure is simple and the volume is small. Since the sliding plate is connected to the top plate based on the connecting rod mechanism, the connecting rod mechanism occupies part of the space of the pressing equipment. Based on the structural connection relationship between the output shaft, top plate, sliding plate and connecting rod mechanism of the driving components, the connecting rod mechanism is difficult to be completely folded, resulting in a smaller pressing space size for the pressing device. The convenience of loading and unloading operations of the pressing device should be improved. Utility Model Content

[0003] The purpose of the utility model is to overcome the shortcomings of the prior art. The utility model provides a pressing device. By arranging a movable section and a pressing section on the screw rod, the convenience of height adjustment of the transmission plate and the pressing plate is improved based on the movable section, thereby improving the convenience of loading and unloading operations of the pressing device.

[0004] The utility model provides a pressing device, which comprises: a bracket, a load-bearing platform arranged in the middle of the bracket, and a pressing assembly located above the load-bearing platform;

[0005] The pressing assembly comprises: a fixing plate arranged on the top of the bracket, a pressing plate slidingly fitted in the bracket, a driving component arranged on the fixing plate, and a transmission plate arranged at the output end of the driving component, wherein the fixing plate, the pressing plate and the transmission plate are connected based on a connecting rod mechanism;

[0006] The driving component is connected to the transmission plate based on a screw drive, the screw is provided with a movable section and a pressing section, the circumferential outer wall of the movable section is a smooth surface, and the circumferential outer wall of the pressing section is provided with a thread;

[0007] The transmission plate is slidably fitted in the movable section, or the transmission plate is threadedly connected to the pressing section.

[0008] Further, the connecting rod mechanism includes a first connecting rod, a second connecting rod and a third connecting rod, and one end of the first connecting rod, the second connecting rod and the third connecting rod are rotatably connected;

[0009] The other end of the first connecting rod is rotatably connected to the fixing plate, the other end of the second connecting rod is rotatably connected to the pressing plate, and the other end of the third connecting rod is rotatably connected to the transmission plate.

[0010] Furthermore, a first connecting rod group and a second connecting rod group are arranged between the fixing plate and the pressing plate, the first connecting rod group and the second connecting rod group are the same connecting rod mechanism, and the first connecting rod group and the second connecting rod group are symmetrically distributed on both sides of the transmission plate.

[0011] Furthermore, the support comprises a base and a plurality of guide rods;

[0012] The load-bearing platform is arranged on the base, the plurality of guide rods are evenly distributed around the load-bearing platform, and the pressing plate is slidably sleeved on the plurality of guide rods.

[0013] Furthermore, a mounting opening is provided in the middle of the fixing plate, and the output end of the driving component extends into the bracket through the mounting opening.

[0014] Furthermore, the fixing plate is provided with a plurality of guide holes, and a guide rod is inserted into any of the guide holes;

[0015] One end of the guide rod is fixed on the transmission plate.

[0016] Furthermore, the driving component is a servo motor, or the driving component is a driving cylinder, or the driving component is a hydraulic cylinder.

[0017] Further, the center position of the transmission plate is the first force point, the rotation connection position of the first connecting rod, the second connecting rod and the third connecting rod is set as the second force point, and the connection position of the second connecting rod and the pressing plate is the third force point;

[0018] When the driving component drives the transmission plate to move downward, the force analysis of the first force point is:

[0019] F2=0.5F0*tanθ1;

[0020] Wherein, F2 is the horizontal force of the first force point, F0 is the vertical thrust of the first force point, and θ1 is the angle between the first force point and the third connecting rod;

[0021] The axial thrust of the driving component applied to the first force point is F0, the axial thrust of the third connecting rod of the first connecting rod group is F1, the axial thrust of the third connecting rod of the second connecting rod group is F1′, and F1=F1′. According to the parallelogram law, the force applied to the first force point in the vertical direction is 0.5F0.

[0022] Furthermore, the force analysis of the second force point formed by the connection position of the first connecting rod, the second connecting rod and the third connecting rod is:

[0023] F4 = 0.5F2′*tanθ2;

[0024] F4 = 0.25F0*tanθ1*tanθ2;

[0025] Among them, F4 is the pressure value of the second force point in the vertical direction, F2′ is the force value of the second force point in the horizontal direction, and F2=F2′, θ1 is the angle between the first force point and the third connecting rod, and θ2 is the angle between the horizontal force direction of the second force point and the second connecting rod.

[0026] Furthermore, when the pressing device is in the pressing state, the instantaneous pressure of the third force point in the vertical direction is:

[0027] F4 ′ =2F4+F0=(0.5tanθ1*tanθ2+1)F0;

[0028] Among them, F4 ′ is the instantaneous pressure of the third force point in the vertical direction, F4 is the pressure value of the second force point in the vertical direction, F0 is the thrust value of the first force point, θ1 is the angle between the first force point and the third connecting rod, and θ2 is the angle between the horizontal force direction of the second force point and the second connecting rod.

[0029] The utility model provides a pressing device, by arranging a movable section and a pressing section on the screw rod, so that a transmission plate and a smooth movable section are slidably matched, thereby improving the convenience of the transmission plate sliding up and down on the movable section, and can effectively improve the convenience of height adjustment of the transmission plate and the pressing plate, thereby improving the convenience of loading and unloading operations of the pressing device. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0031] Figure 1 It is a structural schematic diagram of a pressing device in an embodiment of the utility model;

[0032] Figure 2 This is a structural front view of the pressing device in the embodiment of the utility model;

[0033] Figure 3 It is a schematic diagram of the structure of the pressing state of the pressing device in the embodiment of the utility model;

[0034] Figure 4 It is a force analysis diagram of the connecting rod mechanism of the pressing device in the pressing state in the embodiment of the utility model. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0036] Figure 1 The schematic diagram of the structure of the pressing device in the embodiment of the utility model is shown. Figure 2 The structural front view of the pressing device in the embodiment of the utility model is shown, and the pressing device includes: a bracket 1, a load-bearing platform 2 arranged in the middle of the bracket 1, and a pressing assembly located above the load-bearing platform 2, and the pressing assembly is used to cooperate with the load-bearing platform 2 to perform a pressing operation on the workpiece on the load-bearing platform 2.

[0037] The pressing assembly includes: a fixed plate 5 arranged on the top of the bracket 1, a pressing plate 3 slidingly fitted in the bracket 1, a driving component 6 arranged on the fixed plate 5, and a transmission plate 7 arranged at the output end of the driving component 6, the driving component 6 is connected to the transmission plate 7 based on the drive of the screw rod 9, and the driving component 6 can drive the transmission plate 7 to move up and down in the vertical direction.

[0038] A plurality of connecting rod mechanisms 4 are arranged between the fixed plate 5 and the pressing plate 3, and the connecting rod mechanism 4 includes a first connecting rod 41, a second connecting rod 42 and a third connecting rod 43. One ends of the first connecting rod 41, the second connecting rod 42 and the third connecting rod 43 are rotatably connected, the other end of the first connecting rod 41 is rotatably connected to the fixed plate 5, the other end of the second connecting rod 42 is rotatably connected to the pressing plate 3, and the other end of the third connecting rod 43 is rotatably connected to the transmission plate 7. The transmission plate 7 is transmission-connected to the pressing plate 3 based on the second connecting rod 42 and the third connecting rod 43, so that when the driving component 6 drives the transmission plate 7 to move up and down in the vertical direction, the transmission plate 7 can drive the pressing plate 3 to descend based on the connecting rod mechanism 4 to complete the pressing operation of the workpiece.

[0039] Specifically, the screw rod 9 is provided with a movable section 91 and a pressing section 92, the circumferential outer wall of the movable section 91 is a smooth surface, the transmission plate 7 can slide in the movable section 91 to adjust its own horizontal position height, the circumferential outer wall of the pressing section 92 is provided with threads, and the transmission plate 7 can be threadedly connected with the pressing section 92, so that the driving component 6 can adjust the lifting and lowering movement of the transmission plate 7 in the vertical direction based on the screw rod 9, and by pushing the pressing plate 3 upward, the connecting rod mechanism 4 can be contracted, thereby expanding the space between the pressing plate 3 and the load-bearing platform 2, so that the staff can place the workpiece in the pressing space between the pressing plate 3 and the load-bearing platform 2.

[0040] Furthermore, when the transmission plate 7 is connected to the pressing section 92 of the screw rod 9, the internal thread of the transmission plate 7 can be connected and cooperated with the external thread of the pressing section 92, so that when the driving component 6 drives the screw rod 9 to rotate, the lifting and lowering movement of the transmission plate 7 can be adjusted based on the pressing section 92.

[0041] Furthermore, based on the movable section 91, the convenience of the staff in adjusting the space between the pressing plate 3 and the load-bearing platform 2 can be improved, which is convenient for the placement of the workpiece; the pressing section 92 can be set according to the processing workpiece specifications of the pressing equipment, so that the pressing space of the pressing equipment can meet the pressing requirements of the workpiece.

[0042] Specifically, a first connecting rod group and a second connecting rod group are arranged between the fixed plate 5 and the pressing plate 3, the first connecting rod group and the second connecting rod group are the same connecting rod mechanism 4, and the first connecting rod group and the second connecting rod group are symmetrically distributed on both sides of the transmission plate 7, based on the first connecting rod group and the second connecting rod group to improve the connection stability of the transmission structure between the fixed plate 5 and the pressing plate 3, two first connecting rod groups and two second connecting rod groups are arranged between the fixed plate 5 and the pressing plate 3, the two first connecting rod groups are located on the same side of the transmission plate 7, and the two second connecting rod groups are located on the other side of the transmission plate 7, so that the first connecting rod group and the second connecting rod group can be evenly arranged to ensure the reliability of pressure transmission between the transmission plate 7 and the pressing plate 3.

[0043] Furthermore, the transmission plate 7 is connected to the pressing plate 3 by transmission based on the second connecting rod 42 and the third connecting rod 43 , and a transmission structure of a connecting rod mechanism 4 is formed between the transmission plate 7 , the pressing plate 3 and the fixing plate 5 based on the first connecting rod 41 .

[0044] Specifically, the bracket 1 includes a base 11 and a plurality of guide rods 12, the load-bearing platform 2 is arranged on the base 11, the plurality of guide rods 12 are evenly distributed around the load-bearing platform 2, and the pressing plate 3 is slidably sleeved on the plurality of guide rods 12, and the pressing plate 3 can slide up and down along the vertical direction on the guide rods 12, so as to adjust the horizontal position height of the pressing plate 3 in the bracket 1 to meet the pressing requirements of workpieces of different sizes.

[0045] Specifically, a mounting opening is provided in the middle of the fixing plate 5, and the output end of the driving component 6 extends into the bracket 1 through the mounting opening. The driving component 6 can be a servo motor, and the driving component 6 is connected to the transmission plate 7 based on the drive of the screw rod 9, that is, the screw rod 9 is driven to rotate by the servo motor, and the screw rod 9 is threadedly connected to the transmission plate 7. When the servo motor drives the screw rod 9 to rotate, the transmission plate 7 can move up and down in the vertical direction along the axial direction of the screw rod 9.

[0046] Furthermore, the driving component 6 is also provided with a reducer, and the servo motor is connected to the screw rod 9 based on the drive of the reducer. The output torque of the servo motor can be increased by the reducer, so that the servo motor can drive the transmission plate 7 to provide sufficient pressing power for the pressing plate 3.

[0047] Furthermore, the driving component 6 may also be a driving cylinder, or a hydraulic cylinder. By driving the transmission plate 7 downward by the driving cylinder or the driving hydraulic cylinder, the instantaneous pressure of the transmission plate 7 may be increased, thereby improving the pressing performance of the pressing plate 3 on the workpiece.

[0048] Specifically, a plurality of guide holes are provided on the fixed plate 5, and a guide rod 8 is inserted into any of the guide holes. One end of the guide rod 8 is fixed to the transmission plate 7, and the guide rod 8 is slidably connected to the guide hole. When the driving component 6 drives the transmission plate 7 to move in the vertical direction, the guide rod 8 can move up and down in the guide hole along with the transmission plate 7 along the vertical direction.

[0049] Based on the fact that the several guide rods 8 can limit the movement direction of the transmission plate 7, in this embodiment, the driving component 6 is a servo motor, which drives the lead screw to rotate, and the transmission plate 7 is based on the limiting effect of the several guide rods 8 to realize the relative movement between the transmission plate 7 and the lead screw 9, so that the transmission plate 7 moves up and down in the vertical direction on the lead screw 9.

[0050] Furthermore, the plurality of guide rods 8 can improve the stability of the connection structure between the transmission plate 7 and the fixed plate 5, thereby improving the reliability of the vertical up and down movement of the transmission plate 7, and the plurality of guide rods 8 have a guiding function, which can ensure that the transmission plate 7 moves along the vertical direction, thereby improving the reliability of the transmission plate 7 in realizing power control of the pressing operation of the pressing plate 3 based on the connecting rod mechanism 4.

[0051] Specifically, Figure 3 A schematic structural diagram of the pressing state of the pressing device in the embodiment of the utility model is shown; based on two groups of the first connecting rod groups and two groups of the second connecting rod groups, four pressure points are formed on the pressing plate 3. When the pressing plate 3 is attached to the workpiece, the pressing plate 3 can uniformly pressurize the workpiece based on the four pressure points, thereby improving the stability and reliability of the pressing operation of the pressing plate 3 on the workpiece.

[0052] The fixed plate 5 and the pressing plate 3 are connected based on the first connecting rod 41 and the second connecting rod 42, and the transmission plate 7 and the pressing plate 3 are connected based on the second connecting rod 42 and the third connecting rod 43. Based on the cooperation among the first connecting rod 41, the second connecting rod 42 and the third connecting rod 43, when the pressing plate 3 and the transmission plate 7 are descended in the vertical direction, based on the angular self-locking characteristics of the first connecting rod 41, the second connecting rod 42 and the third connecting rod 43, when the workpiece is pressed, the first connecting rod 41, the second connecting rod 42 and the third connecting rod 43 can be locked, thereby improving the structural rigidity of the connecting rod mechanism 4, thereby improving the reliability of the pressing force transmission between the fixed plate 5, the transmission plate 7 and the pressing plate 3, that is, ensuring that the transmission rod can push the pressing plate 3 to press the workpiece based on the connecting rod mechanism 4.

[0053] Specifically, the operation process of the pressing equipment is as follows: the workpiece is placed on the load-bearing platform 2, and the pressing plate 3 is manually or automatically controlled to descend and fit on the workpiece, so that the pressing plate 3 is in contact with the pressing surface of the workpiece, thereby realizing the positioning operation of the pressing plate 3 and the workpiece pressing position, and the first connecting rod 41, the second connecting rod 42 and the third connecting rod 43 of the connecting rod mechanism 4 are linked and deployed based on the descending movement of the pressing plate 3, and the transmission plate 7 is driven to descend in the vertical direction by the driving component 6, and the third connecting rod 43 is deflected with the descending movement of the transmission plate 7 until the first connecting rod 41, the second connecting rod 42 and the third connecting rod 43 reach an angular self-locking state, that is, the first connecting rod 41, the second connecting rod 42 and the third connecting rod 43 restrict each other, and the connecting rod mechanism 4 is in a locked state, and the driving component 6 drives the transmission plate 7 to continue to descend, and the transmission plate 7 squeezes the pressing plate 3 based on the connecting rod mechanism 4, and drives the pressing plate 3 to act on the pressing surface of the workpiece, thereby completing the pressing process of the workpiece.

[0054] Furthermore, by adjusting the lengths of the first connecting rod 41, the second connecting rod 42 and the third connecting rod 43 in the connecting rod mechanism 4, the movement stroke of the pressing plate 3 and the transmission plate 7 can be adjusted so that the pressing plate 3 and the transmission plate 7 can meet the pressing processing requirements of the workpiece.

[0055] Furthermore, by setting the connecting rod mechanism 4 between the fixed plate 5, the transmission plate 7 and the pressing plate 3, the operator can push the pressing plate 3 to move toward the transmission plate 7, and the connecting rod mechanism 4 folds and contracts, so that there is enough space in the pressing device to place the workpiece.

[0056] Specifically, Figure 4 A force analysis diagram of the connecting rod mechanism 4 of the pressing device in the pressing state in the embodiment of the utility model is shown, the output end of the driving component 6 is connected to the center position of the transmission plate 7, the center position of the transmission plate 7 is the first force point A, the transmission plate 7 and the pressing plate 3 are connected based on the third connecting rod 43 and the second connecting rod 42, the fixed plate 5 and the pressing plate 3 are connected based on the first connecting rod 41 and the second connecting rod 42, the rotational connection position of the first connecting rod 41, the second connecting rod 42 and the third connecting rod 43 is set to the second force point B, the connection position of the second connecting rod 42 and the pressing plate 3 is the third force point C, according to the pressing device is in the pressing state, the first connecting rod 41, the second connecting rod 42 and the third connecting rod 43 are in the angular self-locking state, in the angular self-locking state of the first connecting rod 41, the second connecting rod 42 and the third connecting rod 43, the force analysis of the first connecting rod 41, the second connecting rod 42, the third connecting rod 43 is performed.

[0057] Specifically, when the driving component 6 drives the transmission plate 7 to move downward, the force analysis of the first force point A is:

[0058] F2=0.5F0*tanθ1;

[0059] Wherein, F2 is the horizontal force of the first force point A, F0 is the vertical thrust of the first force point A, and θ1 is the angle between the first force point A and the third connecting rod 43 .

[0060] The axial thrust of the driving component 6 applied to the first force point A is F0, the axial thrust of the third link 43 of the first link group is F1, the axial thrust of the third link 43 of the second link group is F1′, and F1=F1′. According to the parallelogram law, the force applied to the first force point A in the vertical direction is 0.5F0.

[0061] Specifically, the second force point B formed by the connection position of the first connecting rod 41, the second connecting rod 42 and the third connecting rod 43, the force of the second connecting rod 42 is F3, and the force of the second force point B can be divided into horizontal force and vertical force according to the decomposition of F3. The force analysis of the second force point B is:

[0062] F4 = 0.5F2′*tanθ2;

[0063] F4 = 0.25F0*tanθ1*tanθ2;

[0064] Among them, F4 is the pressure value of the second force point B in the vertical direction, F2′ is the force value of the second force point B in the horizontal direction, and F2=F2′, θ1 is the angle between the first force point A and the third connecting rod 43, and θ2 is the angle between the horizontal force direction of the second force point B and the second connecting rod 42.

[0065] When the pressing device is in the pressing state, the instantaneous pressure of the third force point C in the vertical direction is:

[0066] F4′=2F4+F0=(0.5tanθ1*tanθ2+1)F0;

[0067] Among them, F4′ is the instantaneous pressure of the third force point C in the vertical direction, F4 is the pressure value of the second force point B in the vertical direction, F0 is the thrust value received by the first force point A, θ1 is the angle between the first force point A and the third connecting rod 43, and θ2 is the angle between the horizontal force direction of the second force point B and the second connecting rod 42.

[0068] When the pressing device is pressing the workpiece, the instantaneous pressure value on the workpiece is:

[0069] F=nF4′=(0.5tanθ1*tanθ2+1)nF0;

[0070] Among them, F4′ is the instantaneous pressure of the third force point C in the vertical direction, F4 is the pressure value of the second force point B in the vertical direction, F0 is the thrust value of the first force point A, θ1 is the angle between the first force point A and the third connecting rod 43, θ2 is the angle between the horizontal force direction of the second force point B and the second connecting rod 42, n is the number of connecting rod mechanisms 4 arranged between the fixed plate 5, the transmission plate 7 and the pressing plate 3, and n is an even number.

[0071] Specifically, in this embodiment, two groups of first connecting rod groups and two groups of second connecting rod groups are arranged between the fixed plate 5, the transmission plate 7 and the pressing plate 3, that is, four connecting rod mechanisms 4 are arranged between the fixed plate 5, the transmission plate 7 and the pressing plate 3. When the pressing device presses the workpiece, the instantaneous pressure value on the workpiece is:

[0072] F″=4F4′=(2tanθ1*tanθ2+4)F0;

[0073] Among them, F″ is the instantaneous pressure value applied to the workpiece, F4′ is the instantaneous pressure of the third force point C in the vertical direction, F4 is the pressure value of the second force point B in the vertical direction, F0 is the thrust value applied to the first force point A, θ1 is the angle between the first force point A and the third connecting rod 43, and θ2 is the angle between the horizontal force direction of the second force point B and the second connecting rod 42.

[0074] By arranging the connecting rod mechanism 4 between the transmission plate 7 and the pressing plate 3, the vertical thrust applied to the transmission plate 7 can be increased and then applied to the workpiece, thereby improving the pressing reliability of the pressing device on the workpiece.

[0075] Specifically, according to actual pressing processing requirements, the lengths of the first connecting rod 41, the second connecting rod 42 and the third connecting rod 43 of the connecting rod mechanism 4 and the size of the transmission plate 7 are adjusted so that the connecting rod mechanism 4 can amplify the axial pressure of the transmission plate 7 by multiples and press the workpiece through the pressing plate 3.

[0076] The embodiment of the utility model provides a pressing device, by arranging a movable section 91 and a pressing section 92 on the screw rod 9, so that the transmission plate and the smooth movable section 91 are slidably matched, thereby improving the convenience of the transmission plate sliding up and down on the movable section 91, and can effectively improve the convenience of height adjustment of the transmission plate and the pressing plate, thereby improving the convenience of loading and unloading operations of the pressing device.

[0077] In addition, the above is a detailed introduction to a pressing device provided in an embodiment of the utility model. Specific examples are used in this article to illustrate the principle and implementation method of the utility model. The description of the above embodiments is only used to help understand the method of the utility model and its core idea; at the same time, for general technical personnel in this field, according to the idea of ​​the utility model, there will be changes in the specific implementation method and application scope. In summary, the content of this specification should not be understood as a limitation on the utility model.

Claims

1. A pressing device, characterized in that: The pressing device comprises: a bracket, a load-bearing platform arranged in the middle of the bracket, and a pressing assembly located above the load-bearing platform; The pressing assembly comprises: a fixing plate arranged on the top of the bracket, a pressing plate slidingly fitted in the bracket, a driving component arranged on the fixing plate, and a transmission plate arranged at the output end of the driving component, wherein the fixing plate, the pressing plate and the transmission plate are connected based on a connecting rod mechanism; The driving component is connected to the transmission plate based on a screw drive, the screw is provided with a movable section and a pressing section, the circumferential outer wall of the movable section is a smooth surface, and the circumferential outer wall of the pressing section is provided with a thread; The transmission plate is slidably fitted in the movable section, or the transmission plate is threadedly connected to the pressing section.

2. The lamination device according to claim 1, characterized in that: The connecting rod mechanism comprises a first connecting rod, a second connecting rod and a third connecting rod, and one end of the first connecting rod, the second connecting rod and the third connecting rod are rotatably connected; The other end of the first connecting rod is rotatably connected to the fixing plate, the other end of the second connecting rod is rotatably connected to the pressing plate, and the other end of the third connecting rod is rotatably connected to the transmission plate.

3. The lamination device according to claim 2, characterized in that: A first connecting rod group and a second connecting rod group are arranged between the fixing plate and the pressing plate. The first connecting rod group and the second connecting rod group are the same connecting rod mechanism, and the first connecting rod group and the second connecting rod group are symmetrically distributed on both sides of the transmission plate.

4. The lamination device according to claim 1, characterized in that: The support comprises a base and a plurality of guide rods; The load-bearing platform is arranged on the base, the plurality of guide rods are evenly distributed around the load-bearing platform, and the pressing plate is slidably sleeved on the plurality of guide rods.

5. The lamination device according to claim 1, characterized in that: A mounting opening is provided in the middle of the fixing plate, and the output end of the driving component extends into the bracket through the mounting opening.

6. The lamination device according to claim 1, characterized in that: The fixing plate is provided with a plurality of guide holes, and a guide rod is inserted into any of the guide holes; One end of the guide rod is fixed on the transmission plate.

7. The lamination device according to claim 1, characterized in that: The driving component is a servo motor, or the driving component is a driving cylinder, or the driving component is a hydraulic cylinder.

8. The lamination device according to claim 2, characterized in that: The center position of the transmission plate is the first force point, the rotation connection position of the first connecting rod, the second connecting rod and the third connecting rod is set as the second force point, and the connection position of the second connecting rod and the pressing plate is the third force point; When the driving component drives the transmission plate to move downward, the force analysis of the first force point is: F2=0.5F0*tanθ1; Wherein, F2 is the horizontal force of the first force point, F0 is the vertical thrust of the first force point, and θ1 is the angle between the first force point and the third connecting rod; The axial thrust of the driving component applied to the first force point is F0, the axial thrust of the third connecting rod of the first connecting rod group is F1, the axial thrust of the third connecting rod of the second connecting rod group is F1′, and F1=F1′. According to the parallelogram law, the force applied to the first force point in the vertical direction is 0.5F0.

9. The lamination device according to claim 8, characterized in that: The force analysis of the second force point formed by the connection position of the first connecting rod, the second connecting rod and the third connecting rod is: F4 = 0.5F2′*tanθ2; F4 = 0.25F0*tanθ1*tanθ2; Among them, F4 is the pressure value of the second force point in the vertical direction, F2′ is the force value of the second force point in the horizontal direction, and F2=F2′, θ1 is the angle between the first force point and the third connecting rod, and θ2 is the angle between the horizontal force direction of the second force point and the second connecting rod.

10. The lamination device according to claim 9, characterized in that When the pressing device is in the pressing state, the instantaneous pressure of the third force point in the vertical direction is: F4 ′ =2F4+F0=(0.5tanθ1*tanθ2+1)F0; Among them, F4 ′ is the instantaneous pressure of the third force point in the vertical direction, F4 is the pressure value of the second force point in the vertical direction, F0 is the thrust value of the first force point, θ1 is the angle between the first force point and the third connecting rod, and θ2 is the angle between the horizontal force direction of the second force point and the second connecting rod.

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