SMT scraper automatic replacing device

Abstract

The utility model relates to the technical field of scrapers for smearing lithium batteries, and discloses an automatic SMT scraper replacing device which comprises a bottom plate, the left end of the top side of the bottom plate is fixedly connected with a pushing mechanism, the right end of the top side of the bottom plate is fixedly connected with a pressing mechanism, and the top side of the bottom plate is fixedly connected with a quick release mechanism. The top side of the quick release mechanism is fixedly connected with a pushing mechanism; the quick release mechanism comprises two strip-shaped plates, the bottom sides of the two strip-shaped plates are fixedly connected to the top side of the bottom plate, the right sides of the two strip-shaped plates are fixedly connected with a triangular plate, the inner wall of the triangular plate is slidably connected with a sliding assembly for transmitting power, and the left side of the sliding assembly is fixedly connected with two force transmission plates. According to the device, the limiting plate slides away from the interiors of the positioning rods, at the moment, a handle at the top of the fixing plate can be held to drive the two positioning rods to slide away from the interiors of the triangular plates, at the moment, the elastic plate can be rapidly replaced, and then the replacement efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of scraper for lithium battery smearing, especially to a kind of SMT scraper automatic replacement device. BACKGROUND

[0002] SMT is the abbreviation of Surface Mount Technology, and SMT is an electronic assembly technology. It is a circuit assembly technology by mounting pinless or short lead surface mounted components (referred to as SMC / SMD, Chinese called sheet component) on the surface of printed circuit board (PCB) or other substrate surface, and welding and assembling by reflow soldering or immersion soldering method. In the process of assembling by using SMT, the machine needs to add tin paste to the steel mesh, and install the steel mesh with tin paste to the tin paste printing machine including scraper mechanism, place the circuit board to be printed with tin paste in the upper plate machine, start the tin paste printing machine, and print tin paste on the circuit board. The effect of reflow soldering is directly affected by the tin paste scraped by the scraper mechanism. With the printing, the scraper and the steel mesh rub, which requires the scraper to be replaced within a specified length or time, so SMT scraper automatic replacement device is needed.

[0003] After searching, Chinese patent publication No. CN119426064A discloses a kind of lithium battery foil gravure coating with scraper automatic replacement device, its scraper propulsion mechanism is used to control its scraper push mechanism to move back and forth horizontally;The scraper push mechanism includes a cartridge type scraper material box and a scraper push plate that can move back and forth horizontally;The cartridge type scraper material box is provided with a knife slot at the bottom for the scraper blade to fall down;The scraper push plate covers the knife slot, and the edge is provided with a scraper slot;The scraper push mechanism is used to drive the scraper push plate to move, so that the scraper slot moves back and forth between the knife slot and the pressing part of the scraper pressing mechanism;Its scraper pressing mechanism is used to adjust the tightness of the scraper blade;This cartridge type scraper material box is matched with scraper push mechanism to replace the scraper blade, which saves the complex operation of manual installation of scraper blade by operator, and realizes the functions of automatic replacement and compression by cooperating with scraper pressing mechanism, greatly improves work efficiency.

[0004] The utility model discloses a scraper pressing mechanism is equipped with the pressing cylinder on two fixed seat, the telescopic end of two pressing cylinder is equipped with the U joint, two U joint all rotatably connects with the swing arm, the swing arm is connected with the round pressure rod with flat position between two, the round pressure rod is with rotatable form in the arc -shaped recess on the scraper seat, the round pressure rod is opposite arrangement with the elastic sheet, when the round pressure rod rotates to the arc surface and the elastic sheet opposite, the round pressure rod is used for pushing the elastic sheet and presses the scraper pressing piece, when the round pressure rod rotates to flat position and the elastic sheet opposite, the separation of round pressure rod and elastic sheet is used to release the pressing of scraper pressing piece, however when replacing the elastic sheet, need to use multiple bolts and tools, replace, the operation is complicated, and the replacement efficiency is affected, and therefore to the above insufficient, propose a kind of SMT scraper automatic replacement device to solve the above problems. Utility model content

[0005] In order to make up for the above shortcomings, the utility model provides a kind of SMT scraper automatic replacement device, to improve the problems, such as replacement efficiency reduction, of part of SMT scraper automatic replacement device in prior art when replacing elastic sheet, need to use tool and bolt.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A kind of SMT scraper automatic replacement device, including bottom plate, the top side left end of the bottom plate is fixedly connected with advance mechanism, the top side right end of the bottom plate is fixedly connected with pressing mechanism, the top side of the bottom plate is fixedly connected with quick release mechanism, the top side of the quick release mechanism is fixedly connected with push mechanism;The quick release mechanism includes two strip plates, the bottom side of two strip plates is fixedly connected on the top side of the bottom plate, the right side of two strip plates is fixedly connected with triangular plate, the inner wall of the triangular plate is slidably connected with power transmission sliding assembly, the left side of the sliding assembly is fixedly connected with two force transmission plates, the inner wall of the force transmission plate is slidably connected with connecting rod, the outer portion of the connecting rod is fixedly connected with limit plate, the outer portion of the limit plate is slidably connected with positioning rod, the top side of two positioning rods is fixedly connected with fixed plate, the outer portion of two positioning rods is slidably connected with elastic sheet.

[0008] Further, by two strip plates fixed to bottom plate, triangular plate cooperates with sliding assembly to transmit power, connecting rod, limit plate, positioning rod, fixed plate and elastic sheet and other components, realize the quick connection and disassembly between each part of the device, provide convenience for the automatic replacement of SMT scraper, ensure that the device can efficiently and stably run during replacing scraper.

[0009] As a further description of the above technical scheme:

[0010] The pushing mechanism comprises a support plate one, which is fixedly connected to one side of the bottom plate close to the support plate one, a cylinder one is fixedly connected to the right side of the support plate one, a connecting plate is fixedly connected to the driving end of the cylinder one, a pushing plate is fixedly connected to one side of the connecting plate close to the bottom plate, and a first clamping groove is formed in one side of the pushing plate away from the bottom plate.

[0011] Further, the support plate one of the pushing mechanism is fixed on the bottom plate to provide support. The cylinder one connected thereto serves as a power source to drive the connecting plate to move, and the connecting plate drives the pushing plate connected thereto to move. The first clamping groove formed in the pushing plate can be used in cooperation with other components, and the pushing mechanism can provide a pushing force for the automatic replacement process of the SMT scraper to complete the corresponding pushing action.

[0012] Further description of the above technical solution:

[0013] The pushing mechanism comprises a placing box, which is fixedly connected to two strip plates away from the bottom plate, a cover plate is slidably connected to one end of the placing box away from the bottom plate, a second clamping groove is formed in the bottom end of the bottom plate away from the support plate one, sliding shafts are slidably connected to the front and rear ends of the placing box, springs one are arranged outside the sliding shafts, clamping plates are fixedly connected to the proximal sides of the two sliding shafts, and arc-shaped plates are fixedly connected to the distal sides of the two sliding shafts.

[0014] Further, the placing box of the pushing mechanism is fixed on the strip plate to store related components, and the cover plate slidably connected to the top of the placing box can protect and enclose the internal articles. The second clamping groove at the bottom of the placing box can be used in cooperation with other components for positioning. The sliding shafts at the front and rear ends of the placing box can slide on the placing box, the springs one provide elastic force for the sliding shafts, the clamping plates connected to the sliding shafts can clamp and fix the articles, and the arc-shaped plates facilitate the operation of the sliding shafts. The overall pushing mechanism provides a structural basis and corresponding functions for the storage, positioning and replacement of the SMT scraper.

[0015] Further description of the above technical solution:

[0016] The pressing mechanism comprises two support plates two, which are fixedly connected to one side of the bottom plate close to the placing box, a cylinder two is fixedly connected to one side of the support plate two away from the support plate one, a transmission block is fixedly connected to the driving end of the cylinder two, an opening block is rotatably connected to the inside of the transmission block, rotating plates are rotatably connected to one end of the opening block away from the transmission block, and pressure rods are fixedly connected to the inside of the two rotating plates.

[0017] Further, two support plates two are fixed on the bottom plate to provide support for the pressing mechanism. The cylinder two connected on the support plate two serves as a power source to drive the transmission block to move. The transmission block drives the rotating plate to move through the rotating connection of the opening block, and the pressure rod fixed between the two rotating plates can exert pressure on the parts to be pressed under the drive of the cylinder two, so as to realize the pressing operation in the automatic replacement process of the SMT scraper, and ensure the stability of the scraper in the replacement and subsequent use process.

[0018] As a further description of the above technical solution:

[0019] The sliding assembly comprises a pressing plate, the outside of the pressing plate is slidably connected to the inside of the triangular plate, the left side of the triangular plate is fixedly connected with a push plate, and the side close to the pressing plate of the push plate is fixedly connected with two second springs.

[0020] Further, the pressing plate of the sliding assembly can slide in the triangular plate, and corresponding actions are generated when the pressing plate is pressed. The push plate on the left side of the triangular plate is connected with the pressing plate through the two second springs, and the second springs can provide elastic force, so that the pressing plate can return to the original position after being pressed. The sliding assembly plays a role in power transmission in the quick release mechanism, and helps to realize the quick connection and disassembly of the parts of the device.

[0021] As a further description of the above technical solution:

[0022] The side away from the pressing plate of the push plate is fixedly connected to the right side of the two force transmission plates, and the sides away from the push plate of the two second springs are fixedly connected to the right side of the inner wall of the triangular plate.

[0023] Further, the side of the push plate is fixedly connected with the two force transmission plates, and the other side is connected with the right side of the inner wall of the triangular plate through the two second springs. Under this structure, when the pressing plate slides in the triangular plate, the push plate is driven, and then the force is transmitted to the force transmission plate. The second spring plays a role in buffering and resetting, so that the sliding assembly can work stably and repeatedly when transmitting power, and provides key support for realizing the quick connection and disassembly function of the whole quick release mechanism.

[0024] As a further description of the above technical solution:

[0025] The inside of the force transmission plate is provided with an inclined opening, and the outside of the connecting rod is slidably connected in the inside of the inclined opening.

[0026] Further, the inclined opening inside the force transmission plate is provided, so that the connecting rod can slide therein. This design utilizes the characteristics of the inclined opening, when the force transmission plate moves under force, the force transmission direction can be changed through the inclined opening, driving the connecting rod to move in a specific direction, thereby realizing the position adjustment of the limiting plate and the positioning rod connected with the connecting rod, providing accurate force transmission and position control for the quick release mechanism to complete the quick connection and disassembly action.

[0027] As a further description of the above technical solutions:

[0028] The outer parts of the two positioning rods are respectively slidably connected inside the front and rear ends of the triangular plate, and the outer parts of the two limiting plates are respectively slidably connected inside the front and rear ends of the triangular plate.

[0029] Further,

[0030] The two positioning rods and the limiting plates can slide inside the front and rear ends of the triangular plate respectively, which can guide and constrain the movement of the positioning rods and the limiting plates, ensure that they slide in a specific track inside the triangular plate, avoid deviation or shaking, and further ensure the stability and accuracy of the quick release mechanism during power transmission and realization of quick connection and disassembly of components, making the operation of the whole device more reliable.

[0031] The utility model has the advantages of:

[0032] 1、The utility model discloses a force transmission plate can resist the sliding of the connecting rod, then the two connecting rods will drive a limiting plate to slide to the side, until the limiting plate slides away from the inside of the positioning rod, at this time, the handle on the top of the fixed plate can drive the two positioning rods to slide away from the inside of the triangular plate, at this time, the elastic plate can be quickly replaced, thereby improving the replacement efficiency.

[0033] 2、The utility model discloses a sliding shaft is driven to slide, thereby driving the clamping plate to slide and extrude spring one, so that spring one can store elastic potential energy, thereby giving the clamping plate a force in the opposite direction to reset, so that the two clamping plates can adapt to the SMT scraper of different widths, thereby improving the flexibility of using the SMT scraper. DRAWINGS

[0034] Figure 1 A perspective view of an SMT scraper automatic replacement device is provided for the utility model;

[0035] Figure 2 A structural schematic view of a support plate one of an SMT scraper automatic replacement device is provided for the utility model;

[0036] Figure 3A structure diagram of the placement box of the SMT scraper automatic replacement device is provided in the utility model.

[0037] Figure 4 For Figure 3 The enlarged view of B in the middle.

[0038] Figure 5 A structure diagram of the elastic plate of the SMT scraper automatic replacement device is provided in the utility model.

[0039] Figure 6 For Figure 5 The enlarged view of A in the middle.

[0040] Legend:

[0041] 1, bottom plate; 2, advancing mechanism; 201, support plate one; 202, air cylinder one; 203, connecting plate; 204, push plate; 205, first clamping groove; 3, push mechanism; 301, placement box; 302, cover plate; 303, second clamping groove; 304, sliding shaft; 305, spring one; 306, clamping plate; 307, arc plate; 4, pressing mechanism; 401, support plate two; 402, air cylinder two; 403, transmission block; 404, opening block; 405, rotating plate; 406, pressure rod; 5, quick release mechanism; 501, strip plate; 502, triangular plate; 503, pressing plate; 504, sliding assembly; 5041, push plate; 5042, spring two; 505, force transmission plate; 506, inclined opening; 507, connecting rod; 508, limiting plate; 509, positioning rod; 5010, fixed plate; 5011, elastic plate. DETAILED DESCRIPTION

[0042] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0043] Reference Figures 2 to 4The utility model provides an embodiment: a kind of SMT doctor blade automatic replacement device, including bottom plate 1, bottom plate 1 selects carbon steel, so that bottom plate 1 has good bearing capacity, the top side left end of bottom plate 1 is fixedly connected with propelling mechanism 2, propelling mechanism 2 is responsible for providing thrust, propelling mechanism 2 includes support plate one 201, support plate one 201 as the basis support of propelling mechanism 2, the side of support plate one 201 close to bottom plate 1 is fixedly connected in the side of bottom plate 1 close to support plate one 201, is fixed by welding process, to provide support for support plate one 201, the right side of support plate one 201 is fixedly connected with cylinder one 202, cylinder one 202 provides power for propelling mechanism 2, the driving end of cylinder one 202 is fixedly connected with connecting plate 203, sliding is carried out by starting cylinder one 202 drive connecting plate 203, the side of connecting plate 203 close to bottom plate 1 is fixedly connected with push plate 204, under the drive of connecting plate 203, push plate 204 is slid, the side of push plate 204 away from bottom plate 1 is equipped with first clamping groove 205, first clamping groove 205 is rectangle, the top side right end of bottom plate 1 is fixedly connected with pressure mechanism 4, and pressure mechanism 4 is used to provide pressure;

[0044] Pressure mechanism 4 includes two support plate two 401, two support plate two 401 as the support structure of pressure mechanism 4, two support plate two 401 are fixedly connected in the side of bottom plate 1 close to placing box 301 away from placing box 301, are fixed by welding process, to provide support for support plate two 401, the side of support plate two 401 away from support plate one 201 is fixedly connected with cylinder two 402, and cylinder two 402 is used to provide drive source, the driving end of cylinder two 402 is fixedly connected with transmission block 403, sliding is carried out by starting cylinder two 402 drive transmission block 403, the inside rotationally connected of transmission block 403 has opening block 404, opening block 404 is rotationally connected with transmission block 403 by pin shaft, and opening block 404 is slid under the drive of transmission block 403, the end of opening block 404 away from transmission block 403 is rotationally connected with rotary plate 405, rotary plate 405 is rotationally connected with opening block 404 by pin shaft, and rotary plate 405 is rotated under the drive of opening block 404, the inside of two rotary plates 405 is fixedly connected with pressure rod 406, and pressure rod 406 is driven under the drive of rotary plate 405 to component and exert pressure, realizes pressure function;

[0045] The bottom plate 1 is fixedly connected with a quick release mechanism 5 on the top side, the quick release mechanism 5 is used to provide the ability of quick disassembly and installation, the top side of the quick release mechanism 5 is fixedly connected with a pushing mechanism 3, the pushing mechanism 3 is responsible for completing the specific replacement of the SMT doctor blade, the pushing mechanism 3 comprises a placing box 301, the placing box 301 is made of metal material and is used to store the SMT doctor blade to be replaced, a cover plate 302 is slidably connected to one end of the placing box 301 away from the bottom plate 1, the cover plate 302 protects the SMT doctor blade inside, a second clamping groove 303 is formed in the bottom end of one side of the bottom plate 1 away from the support plate 201, the second clamping groove 303 provides space for the replacement of the SMT doctor blade, sliding shafts 304 are slidably connected to the front and rear ends of the placing box 301, the two sliding shafts 304 can stably slide through the limitation of the placing box 301, springs 305 are sleeved outside the sliding shafts 304, the springs 305 can be uniformly stressed through the limitation, clamping plates 306 are fixedly connected to the sides close to each other of the two sliding shafts 304, the clamping plates 306 are used to clamp the SMT doctor blade, arc-shaped plates 307 are fixedly connected to the sides far away from each other of the two sliding shafts 304, the arc-shaped plates 307 are used to limit the sliding shafts 304 and prevent the sliding shafts 304 from falling off;

[0046] Specifically, on the top side of the left end of the bottom plate 1, the pushing mechanism 2 is stably supported by means of the support plate 201, the cylinder 202 serves as a power source and drives the connecting plate 203 to move, thereby driving the pushing plate 204 with the first clamping groove 205 to slide and providing a pushing force for the whole replacement process, while on the top side of the right end of the bottom plate 1, the pressing mechanism 4 is stably supported by means of the two support plates 401, after the cylinder 402 is started, the driving transmission block 403 moves, the transmission block 403 drives the opening block 404 to slide, the opening block 404 in turn drives the rotating plate 405 to rotate, finally enabling the pressure rod 406 to exert pressure on the component, realizing reliable pressing of the doctor blade and ensuring that the doctor blade remains stable during work, the quick release mechanism 5 facilitates subsequent maintenance and component replacement operations, the pushing mechanism 3 is used to store the SMT doctor blade to be replaced, the cover plate 302 on the top of the box protects the doctor blade, preventing it from being affected by the external environment, the second clamping groove 303 formed in the bottom of the placing box 301 provides a special space for the replacement of the doctor blade, at the same time, the sliding shafts 304 at the front and rear ends of the placing box 301 can stably slide under the limitation thereof, the springs 305 sleeved outside the sliding shafts 304 ensure uniform stress, the clamping plates 306 connected to the sliding shafts 304 can clamp the doctor blade, and the arc-shaped plates 307 play a limiting role, preventing the sliding shafts 304 from falling off and ensuring the stability of the whole clamping process.

[0047] Reference Figure 1 , Figure 5 and Figure 6The quick release mechanism 5 comprises two strip-shaped plates 501 fixedly connected to the top side of the bottom plate 1, providing a mounting base and support for the quick release mechanism 5, and a triangular plate 502 fixedly connected to the right side of the two strip-shaped plates 501 and supported by welding, the inner wall of the triangular plate 502 being slidably connected with a power transmission sliding assembly 504, the sliding assembly 504 being used for transmitting thrust force and comprising a pressing plate 503 for facilitating manual operation of the operator, the left side of the triangular plate 502 being fixedly connected with a push plate 5041 which is driven to slide under the action of the pressing plate 503, the side of the push plate 5041 away from the pressing plate 503 being fixedly connected to the right side of two force transmission plates 505, so that the push plate 5041 can transmit the sliding force to the two force transmission plates 505, and the side of the push plate 5041 close to the pressing plate 503 being fixedly connected with two springs 5042 which are stretched during the sliding of the push plate 5041, so that the springs 5042 can store elastic potential energy and then give the push plate 5041 a force in the opposite direction to reset it;

[0048] The side of the two springs 5042 away from the push plate 5041 is fixedly connected to the inner wall right side of the triangular plate 502, fixing the springs 5042 and allowing them to be uniformly stressed, the left side of the sliding assembly 504 being fixedly connected with the two force transmission plates 505, the interior of the force transmission plates 505 being provided with inclined openings 506, leaving a space for movement in the interior of the inclined openings 506, the inner wall of the force transmission plates 505 being slidably connected with connecting rods 507 which slide in the inner wall of the force transmission plates 505 through preset sliding rails and move under the driving of the force transmission plates 505 to transmit power, the outer part of the connecting rods 507 being fixedly connected with limit plates 508, the sliding force being transmitted to the limit plates 508 through the connecting rods 507, the outer part of the two limit plates 508 being slidably connected in the interior of the front and rear ends of the triangular plate 502, allowing the limit plates 508 to stably slide therein, the outer part of the limit plates 508 being slidably connected with positioning rods 509 which are clamped in the interior of the limit plates 508, the outer part of the two positioning rods 509 being slidably connected in the interior of the front and rear ends of the triangular plate 502, ensuring that the positioning rods 509 can stably slide and realize positioning, the top side of the two positioning rods 509 being fixedly connected with fixed plates 5010 which drive the two positioning rods 509 to synchronously slide, the outer part of the two positioning rods 509 being slidably connected with elastic plates 5011 which are used for abutting against the SMT scraper to adjust the tightness thereof;

[0049] Specifically, the quick release mechanism 5 is composed of two strip-shaped plates 501 fixed on the top side of the base plate 1 and a triangular plate 502 welded on the right side, the sliding assembly 504 is manually operated by the operator through the pressing plate 503, the push plate 5041 is pushed to slide, the transmission plate 505 is driven, the push plate 5041 stretches the spring 5042 to store elastic potential energy for resetting in the sliding process, the transmission plate 505 transmits power through the internal inclined opening 506 and the connecting rod 507, the connecting rod 507 drives the limiting plate 508 to slide in the triangular plate 502, the limiting plate 508 is clamped in the positioning rod 509, the positioning rod 509 realizes synchronous sliding through the fixed plate 5010, the external elastic plate 5011 resists the SMT scraper, realizes the positioning and tension adjustment of the SMT scraper, and thus realizes the functions of quickly disassembling and assembling the SMT scraper.

[0050] Working principle: first, place multiple SMT scrapers in the inside of the placing box 301, and pull the two arc-shaped plates 307 to slide to the far side, then drive the sliding shaft 304 to slide, thereby driving the clamping plate 306 to slide and compress the spring 305, so that the spring 305 can store elastic potential energy, and then give the clamping plate 306 a force in the opposite direction to reset, so that the two clamping plates 306 can adapt to SMT scrapers of different widths, thereby improving the flexibility of using SMT scrapers;

[0051] Then, under the action of gravity, the lowermost SMT scraper will fall into the first clamping groove 205 opened in the push plate 204, at this time, start the cylinder 202 to drive the connecting plate 203 to slide, thereby driving the push plate 204 to slide, and driving the SMT scraper to slide out of the inside of the placing box 301, so that the SMT scraper can slide to the bottom of the triangular plate 502, at this time, start the two cylinders 402 to drive the transmission block 403 to slide, thereby driving the opening block 404 to rotate, then driving the rotating plate 405 to rotate and resist the elastic plate 5011, using the toughness of the elastic plate 5011, it can deform and resist the SMT scraper, so that it can scratch the tin paste, and adjust the tension of the elastic plate 5011 according to the thrust of the cylinder 402;

[0052] At the same time due to the elastic plate, 5011 long time use will lose toughness, at this time will push back plate 204, make it not in the triangle plate 502 resistance, and then push the pressing plate 503 sliding, so as to push the push plate 5041 sliding and stretch two spring two 5042, so that two spring two 5042 can store elastic potential energy, and give push plate 5041 a reverse force to reset, with push plate 5041 left slide, so as to drive two transmission plate 505 sliding, and transmission plate 505 utilize the inside open inclined opening 506, make transmission plate 505 can resist the connection rod 507 sliding, subsequently two connection rod 507 will drive a limit plate 508 to the similar side sliding, until limit plate 508 slide off the inside of the positioning rod 509, at this time can hold the handle of fixed plate 5010 top drive two positioning rod 509 slide off the inside of the triangle plate 502, at this time can carry out the quick replacement of elastic plate, 5011, in turn improve the replacement efficiency.

[0053] Finally, it should be noted that: the above only for the preferred embodiments of the present application have, and not for limiting the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for the person skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of the present application.

Claims

1. An automatic SMT squeegee changing device, comprising a base plate (1), characterized in that: The bottom plate (1) is fixedly connected to the left side of the top side with a push mechanism (2), the bottom plate (1) is fixedly connected to the right side of the top side with a pressing mechanism (4), the bottom plate (1) is fixedly connected to the top side with a quick release mechanism (5), and the quick release mechanism (5) is fixedly connected to the top side with a push mechanism (3). The quick-release mechanism (5) includes two strip plates (501). The bottom sides of the two strip plates (501) are fixedly connected to the top side of the base plate (1). A triangular plate (502) is fixedly connected to the right side of the two strip plates (501). A sliding assembly (504) for transmitting power is slidably connected to the inner wall of the triangular plate (502). Two force transmission plates (505) are fixedly connected to the left side of the sliding assembly (504). A connecting rod (507) is slidably connected to the inner wall of the force transmission plate (505). A limiting plate (508) is fixedly connected to the outside of the connecting rod (507). A positioning rod (509) is slidably connected to the outside of the limiting plate (508). A fixing plate (5010) is fixedly connected to the top side of the two positioning rods (509). An elastic plate (5011) is slidably connected to the outside of the two positioning rods (509).

2. The SMT scraper automatic changing device according to claim 1, characterized in that: The propulsion mechanism (2) includes a support plate (201), which is fixedly connected to the side of the base plate (1) near the support plate (201). A cylinder (202) is fixedly connected to the right side of the support plate (201). A connecting plate (203) is fixedly connected to the driving end of the cylinder (202). A push plate (204) is fixedly connected to the side of the connecting plate (203) near the base plate (1). A first slot (205) is provided on the side of the push plate (204) away from the base plate (1).

3. The SMT scraper automatic changing device according to claim 2, characterized in that: The pushing mechanism (3) includes a placement box (301). The side of the placement box (301) near the bottom plate (1) is fixedly connected to the side of the two strip plates (501) away from the bottom plate (1). A cover plate (302) is slidably connected to the end of the placement box (301) away from the bottom plate (1). A second slot (303) is provided at the bottom end of the side of the bottom plate (1) away from the support plate (201). Sliding shafts (304) are slidably connected to both the front and rear ends of the placement box (301). A spring (305) is sleeved on the outside of the sliding shaft (304). A clamping plate (306) is fixedly connected to the side of the two sliding shafts (304) that are close to each other. An arc plate (307) is fixedly connected to the side of the two sliding shafts (304) that are far from each other.

4. The SMT scraper automatic changing device according to claim 3, characterized in that: The pressing mechanism (4) includes two support plates (401). The two support plates (401) are fixedly connected to the side of the base plate (1) near the side of the placement box (301) away from the two support plates (401). A cylinder (402) is fixedly connected to the side of the support plate (401) away from the support plate (201). A transmission block (403) is fixedly connected to the driving end of the cylinder (402). An opening block (404) is rotatably connected inside the transmission block (403). A rotating plate (405) is rotatably connected to the end of the opening block (404) away from the transmission block (403). A pressure rod (406) is fixedly connected inside the two rotating plates (405).

5. The SMT scraper automatic changing device according to claim 1, characterized in that: The sliding assembly (504) includes a pressing plate (503), the outside of which is slidably connected to the inside of the triangular plate (502), and a push plate (5041) is fixedly connected to the left side of the triangular plate (502). Two springs (5042) are fixedly connected to the side of the push plate (5041) near the pressing plate (503).

6. The SMT scraper automatic changing device according to claim 5, characterized in that: The push plate (5041) is fixedly connected to the right side of the two force transmission plates (505) on the side away from the pressing plate (503), and the two springs (5042) are fixedly connected to the right side of the inner wall of the triangular plate (502) on the side away from the push plate (5041).

7. The SMT scraper automatic changing device according to claim 1, characterized in that: The force transmission plate (505) has an inclined opening (506) inside, and the connecting rod (507) is slidably connected to the inside of the inclined opening (506).

8. An automatic SMT squeegee changing device according to claim 1, characterized in that: The two positioning rods (509) are slidably connected to the front and rear ends of the triangular plate (502) respectively, and the two limiting plates (508) are slidably connected to the front and rear ends of the triangular plate (502) respectively.

Images