Electric pressurizing cylinder and pressurizing system

Abstract

The invention discloses an electric pressure cylinder, which comprises a piston rod reciprocating in a specified direction; the cylinder body is provided with a space for the piston rod to move; the motor drives the piston rod to move in the space of the cylinder body; the push rod is arranged in the cylinder body in a penetrating manner; a first movable groove is formed in one end of the push rod, and one end of the piston rod is inserted into the first movable groove; a pressurizing piece is arranged in the first movable groove, so that the pressurizing piece provides thrust for the push rod when the piston rod moves in the first movable groove relative to the push rod; the device has the advantages of being simple in structure and reducing cost.

Description

Technical Field

[0001] The present invention belongs to the technical field of supercharging equipment, and in particular relates to an electric supercharging cylinder and a supercharging system. Background Art

[0002] The booster cylinder is also called the gas-liquid booster cylinder. The gas-liquid booster cylinder is an improved design that combines the advantages of the air cylinder and the oil cylinder. The hydraulic oil is strictly isolated from the compressed air. The piston rod in the cylinder automatically starts after contacting the working part. It has a fast movement speed and is more stable than the pneumatic transmission. The cylinder body is simple to install and the output is easy to adjust. Under the same conditions, it can achieve the high output of the hydraulic press, low energy consumption, soft landing without damaging the mold, easy installation and special booster cylinders can be installed at any angle of 360 degrees. It occupies a small space, has few failures and no temperature rise problems, has a long life and low noise, and other core characteristics.

[0003] At present, most boost cylinders on the market have complex structures, high fuel consumption, and high production costs, which cannot meet market demand. Summary of the Invention

[0004] The content of this application is used to briefly introduce concepts that will be described in detail in the detailed description section below. The content of this application is not intended to identify key features or essential features of the technical solution for which protection is sought, nor is it intended to limit the scope of the technical solution for which protection is sought.

[0005] In order to overcome the deficiencies of the prior art, the present invention provides an electric boosting cylinder and a boosting system.

[0006] In order to achieve the above-mentioned objectives, the present invention adopts the following technical solutions: an electric booster cylinder, comprising: a piston rod, which reciprocates in a specified direction; a cylinder body, which has a space for the piston rod to move; a motor, which drives the piston rod to move in the space of the cylinder body; a push rod, which is inserted into the cylinder body; the piston rod is at one end of the push rod, and a first movable groove is provided at one end of the push rod, and one end of the piston rod is inserted into the first movable groove; a booster is provided in the first movable groove so that when the piston rod moves relative to the push rod in the first movable groove, the booster provides thrust to the push rod.

[0007] Furthermore, the pressurizing element is a spring.

[0008] Furthermore, a guide ring is provided on the cylinder body, and the piston rod is inserted into the guide ring.

[0009] Furthermore, the electric booster cylinder also includes: a motor plate, connected to one end of the cylinder body; a first transmission wheel, arranged on the output shaft of the motor; a second transmission wheel, arranged at one end of the piston rod; a protective cover, the cover is arranged on the motor plate; one end of the piston rod passes through the cylinder body, and the first transmission wheel and the second transmission wheel are matched for transmission.

[0010] As another aspect of the present application, a boosting system is also disclosed, including: several of the above-mentioned electric boosting cylinders; several connecting seat assemblies connected to the electric boosting cylinders; several connecting rod assemblies connected to the connecting seat assemblies; the number of connecting seat assemblies, the number of connecting rod assemblies and the number of electric boosting cylinders correspond to each other, and different connecting seat assemblies are connected by connecting rod assemblies so that they are on the same plane, so that the stroke of the push rod of the electric boosting cylinder on the connecting seat base is consistent.

[0011] Furthermore, the connecting seat assembly includes: a base connected to the cylinder body; a guide rail provided on the base; a movable block slidably connected to the guide rail; a connecting plate provided on the movable block; the guide rail can move on the base, and the direction of movement of the guide rail on the base is perpendicular to the direction of movement of the movable block on the guide rail; a first threaded hole is provided on the connecting plate.

[0012] Furthermore, the movable block is provided with a first sliding block corresponding to the guide rail, the first sliding block is provided with a fixed plate, and the fixed plate is against the inner wall of the guide rail; the movable block is provided with a push plate for driving the fixed plate to move.

[0013] Furthermore, a second slider is provided on the guide rail, and a slide groove for the second slider to move is provided on the base; an installation groove is also provided on the base, a guide block is provided in the installation groove, a guide groove is provided on the guide block, a guide block is provided on the guide rail, and the guide block is inserted in the guide groove; a first fixed block for fixing the guide block is provided in the guide groove.

[0014] Furthermore, the connecting rod assembly includes: a sleeve rod, which is constructed into a hollow structure; a first movable rod, which is arranged inside the sleeve rod; two connecting heads, which are respectively arranged at one end of the sleeve rod and one end of the first movable rod; a first connecting block is provided on the base, and a connecting groove corresponding to the connecting head is provided on the first connecting block; a second fixed block is provided on the connecting head, and a second fixed groove corresponding to the second fixed block is provided on the connecting head.

[0015] Furthermore, a movable sleeve is provided on the connecting head, which can move along the surface of the connecting head. A push block connected to the second fixed block is provided on the connecting head. When the movable sleeve moves, the push block is pushed to move, so that the second fixed block is disengaged from the second fixed groove.

[0016] The present invention is beneficial in that it provides an electric boosting cylinder and a boosting system with a simple structure and reduced cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings constituting a part of this application are used to provide a further understanding of this application and make other features, purposes and advantages of this application more apparent. The drawings and descriptions of the exemplary embodiments of this application are used to explain this application and do not constitute an improper limitation on this application.

[0018] In addition, throughout the drawings, the same or similar reference numerals represent the same or similar elements. It should be understood that the drawings are schematic and that the elements and components are not necessarily drawn to scale.

[0019] In the attached figure: Figure 1 Schematic diagram of the structure of an electric booster cylinder in an embodiment of the present invention.

[0020] Figure 2 for Figure 1 Cross-sectional view of the electric boost cylinder in the illustrated embodiment.

[0021] Figure 3 Schematic diagram of a boosting system in an embodiment of the present invention.

[0022] Figure 4 for Figure 3 Cross-sectional view of the active block of the boost system in the illustrated embodiment.

[0023] Figure 5 for Figure 4 A in the enlarged view.

[0024] Figure 6 for Figure 3 Cross-sectional view of the mounting block of the boost system in the illustrated embodiment.

[0025] Figure 7 for Figure 6 Enlarged view of point B in .

[0026] Figure 8 for Figure 3 Cross-sectional view of the connection head of the boost system in the illustrated embodiment.

[0027] Figure 9 for Figure 8 Enlarged view of point C in the figure.

[0028] Figure 10 for Figure 3 Cross-sectional view of a guide rod of the boost system in the illustrated embodiment.

[0029] Figure 11 for Figure 10 Enlarged view of point D in .

[0030] The meanings of the reference numerals in the figures are as follows: 101. Cylinder body; 102. Push rod; 103. Motor plate; 104. Motor; 105. Piston rod; 106. Pressure booster; 107. Guide ring; 108. Second cam plate; 109. First transmission wheel; 110. Second transmission wheel. 200, connector assembly; 201, base; 202, first protruding plate; 203, guide rail; 204, connecting plate; 205, movable block; 206, fixed plate; 207, first slider; 208, mounting plate; 209, push plate; 210, second connecting block; 211, second slider; 212, slide groove; 213, mounting block; 214, second movable rod; 215, guide block; 216, first fixed block; 217, first spring; 218, first connecting block; 219, second fixed groove; 220, protruding rod; 300, connecting rod assembly; 301, sleeve rod; 302, first movable rod; 303, fixing bolt; 304, connector; 305, second fixed block; 307, push block; 308, movable sleeve; 309, guide rod; 310, connecting rod; 311, third spring; 312, extension plate; 313, stop block. DETAILED DESCRIPTION

[0031] Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although certain embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be construed as being limited to the embodiments described herein. On the contrary, these embodiments are provided to provide a more thorough and complete understanding of the present disclosure. It should be understood that the drawings and embodiments of the present disclosure are for illustrative purposes only and are not intended to limit the scope of protection of the present disclosure.

[0032] It should also be noted that, for ease of description, only the parts related to the invention are shown in the drawings. In the absence of conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other.

[0033] It should be noted that the concepts of "first" and "second" mentioned in this disclosure are only used to distinguish different devices, modules or units, and are not used to limit the order or interdependence of the functions performed by these devices, modules or units.

[0034] It should be noted that the modifications of "one" and "multiple" mentioned in the present disclosure are illustrative rather than restrictive, and those skilled in the art should understand that unless otherwise clearly indicated in the context, they should be understood as "one or more".

[0035] The names of the messages or information exchanged between multiple devices in the embodiments of the present disclosure are only used for illustrative purposes and are not used to limit the scope of these messages or information.

[0036] The present disclosure will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0037] like Figure 1-2As shown, an electric booster cylinder includes a piston rod 105, a cylinder body 101, a motor 104 and a push rod 102; the piston rod 105 reciprocates in a specified direction; the cylinder body 101 has a space for the piston rod 105 to move; the motor 104 drives the piston rod 105 to move in the space of the cylinder body 101; the push rod 102 is inserted into the cylinder body 101; the piston rod 105 is at one end of the push rod 102, and a first movable groove is provided at one end of the push rod 102, and one end of the piston rod 105 is inserted into the first movable groove; a booster part 106 is provided in the first movable groove so that when the piston rod 105 moves relative to the push rod 102 in the first movable groove, the booster part 106 is used to provide thrust for the push rod 102.

[0038] A guide ring 107 is provided on the cylinder body 101 , and the piston rod 105 is passed through the guide ring 107 , which guides the piston rod 105 and ensures that the piston rod 105 is aligned with the push rod 102 .

[0039] A motor plate 103 is provided at one end of the cylinder body 101, a first transmission wheel 109 is provided on the output shaft of the motor 104, a second transmission wheel 110 is provided at one end of the piston rod 105, and a protective cover is provided on the motor plate 103, which plays a protective and dust-proof role; one end of the piston rod 105 passes through the cylinder body 101, and the first transmission wheel 109 and the second transmission wheel 110 are matched for transmission.

[0040] The piston rod 105 is a threaded rod, and a thread corresponding to the piston rod 105 is provided in the cylinder body 101. The motor 104 drives the piston rod 105 to rotate through the cooperation of the first transmission wheel 109 and the second transmission wheel 110, thereby realizing the reciprocating movement of the piston rod 105 in the cylinder body 101.

[0041] Specifically, the booster 106 is a spring, one end of the spring abuts the bottom of the groove, and the other end abuts the end of the piston rod 105, so that the piston rod 105 can slide in the groove relative to the push rod 102 and compress the spring; when the motor 104 drives the piston rod 105 to move into the cylinder body 101, the piston rod 105 compresses the spring in the first movable groove, and the spring acts on the push rod 102 to boost the push rod 102 and increase the thrust of the push rod 102; by utilizing the setting of the spring, the cost of the booster cylinder is effectively reduced on the basis of increasing the thrust of the push rod 102, making the operation of the booster cylinder more stable and the structure simpler.

[0042] like Figure 3-11As shown, as another aspect of the present application, a boosting system is also disclosed, including several of the above-mentioned electric boosting cylinders, several connecting seat assemblies 200 and several connecting rod assemblies 300; the connecting seat assembly 200 is connected to the electric boosting cylinder; the connecting rod assembly 300 is connected to the connecting seat assembly 200; the number of connecting seat assemblies 200, the number of connecting rod assemblies 300 and the number of electric boosting cylinders correspond to each other, that is, one connecting seat assembly 200 corresponds to one electric boosting cylinder, and two connecting seat assemblies 200 correspond to one connecting rod assembly 300, and different connecting seat assemblies 200 are connected by the connecting rod assembly 300 so that they are on the same plane, so that the stroke of the push rod 102 of the electric boosting cylinder on the connecting seat base 201 is consistent.

[0043] Specifically, the connecting seat assembly 200 includes a base 201, a guide rail 203, a movable block 205 and a connecting plate 204; the base 201 is mounted on the protective cover, a first protrusion 202 is provided on the side wall of the base 201, and a second protrusion 108 is provided on the side wall of the protective cover, the first protrusion 202 and the second protrusion 108 are connected by screws to fix the base 201 on the protective cover; the guide rail 203 is provided on the base 201; the movable block 205 is slidably connected to the guide rail 203; the connecting plate 204 is provided on the movable block 205; the guide rail 203 can move on the base 201, and the direction of movement of the guide rail 203 on the base 201 is perpendicular to the direction of movement of the movable block 205 on the guide rail 203; a first threaded hole is provided on the connecting plate 204, and the base 201 is fixedly connected to the mounting member by driving a screw into the first threaded hole on the connecting plate 204.

[0044] The movable block 205 is provided with a first slider 207 corresponding to the guide rail 203, and the first slider 207 is provided with a fixed plate 206, which rests on the inner wall of the guide rail 203, and the fixed plate 206 is made of a rough plate-like material with a large surface friction coefficient; more specifically, the movable block 205 is provided with a movable cavity, and a mounting plate 208 and a push plate 209 are inserted into the movable cavity, and the mounting plate 208 is fixedly connected to the inner wall of the movable cavity, and one end of the push plate 209 is fixedly connected to the mounting plate 208. The push plate 209 is made of elastic material and is tilted. The push plate 209 is provided with a second connecting block 210, and the fixed plate 206 is fixedly connected to the second connecting block 210; a slot is provided on the side wall of the guide rail 203 for the push plate 209 and the mounting plate 208 to pass through, and one end of the push plate 209 and the mounting plate 208 protrudes from the side wall of the base 201, which is convenient for pushing the mounting plate 208 to move and adjust the position of the movable block 205.

[0045] The position of the connecting plate 204 can be adjusted according to the actual installation position. When adjusting the position of the connecting plate 204, the push plate 209 is pushed toward the mounting plate 208, and the push plate 209 drives the fixed plate 206 to move toward the first slider 207, so that the fixed plate 206 is disengaged from the inner wall of the guide rail 203, pushing the mounting plate 208 to move in the slot, and the movable block 205 drives the connecting plate 204 to move to adjust the position of the connecting plate 204; after the connecting plate 204 moves to the specified position, the push plate 209 is released, and the push plate 209 is reset under the action of its own elastic force to push the fixed plate 206 to move toward the side wall of the guide rail 203, and the fixed plate 206 is pressed against the inner wall of the guide rail 203 to fix the movable block 205, thereby fixing the position of the connecting plate 204.

[0046] Furthermore, a second slider 211 is provided on the guide rail 203, and a slide groove 212 for the second slider 211 to move is provided on the base 201; a mounting groove is also provided on the base 201, a guide block 215 is provided in the mounting groove, a guide groove is provided on the guide block 215, and a guide block 215 is provided on the guide rail 203, and the guide block 215 is inserted in the guide groove.

[0047] A second movable groove is provided on the side wall of the guide groove, and a second movable rod 214 is provided in the second movable groove. The top of the second movable rod 214 passes through the second movable groove, and a first spring 217 is provided on the side wall on one side of the second movable rod 214, and a plurality of first fixed blocks 216 are provided on the side wall on the other side. The guide block 215 is provided with a plurality of first fixed grooves corresponding to the first fixed blocks 216; a protruding rod 220 is provided on the top of the mounting block 213, and the protruding rod 220 is at the top of the side wall of the second movable groove, and the second movable rod 214 is at one side of the protruding rod 220. The protruding rod 220 is set to provide a force point for pushing the second movable rod 214, so that the pushing of the second movable rod 214 is more convenient.

[0048] The position of the guide rail 203 can also be adjusted according to the actual installation. By adjusting the guide rail 203 and the movable block 205 respectively, the connecting plate 204 can have multiple positions relative to the base 201, which can adapt to installation in various occasions. When adjusting the position of the guide rail 203, the second movable rod 214 is pushed to move, and the second movable rod 214 drives the first fixed block 216 to disengage from the first fixed groove, pushing the guide rail 203 to move on the base 201 to adjust the position of the guide rail 203. When the position of the guide rail 203 is adjusted, the second movable rod 214 is released, and the first spring 217 pushes the second movable rod 214 to move toward the guide groove, and the first fixed block 216 is inserted into the first fixed groove to fix the guide block 215 in the guide groove, thereby fixing the guide rail 203 and ensuring the stability of the connecting seat assembly 200 after installation.

[0049] Furthermore, the connecting rod assembly 300 includes a sleeve rod 301, a first movable rod 302 and two connecting heads 304; the sleeve rod 301 is constructed into a hollow structure; the first movable rod 302 is arranged in the sleeve rod 301; the two connecting heads 304 are respectively arranged at one end of the sleeve rod 301 and one end of the first movable rod 302; a first connecting block 218 is provided on the base 201, and a connecting groove corresponding to the connecting head 304 is provided on the first connecting block 218; a third movable groove is provided on the connecting head 304, and a second fixed block 305 is provided in the third movable groove, and a second fixed groove 219 corresponding to the second fixed block 305 is provided on the connecting head 304, the second fixed block 305 is connected to the inner wall of the third movable groove by a second spring, and the second fixed block 305 is provided with an inclined surface.

[0050] A second threaded hole is provided on the sleeve rod 301, and a fixing bolt 303 is passed through the second threaded hole. One end of the fixing bolt 303 is pressed against the first movable rod 302 to fix the first movable rod 302 in the sleeve rod 301; through the setting of the sleeve rod 301 and the first movable rod 302, the distance between two adjacent connecting seat assemblies 200 can be conveniently adjusted to meet the needs of various different occasions.

[0051] A movable sleeve 308 is provided on the connecting head 304, and the movable sleeve 308 can move along the surface of the connecting head 304. A fourth movable groove is provided on the connecting head 304, and the fourth movable groove is communicated with the third movable groove. A push block 307 is provided in the fourth movable groove, and the push block 307 is connected to the second fixed block 305. A guide surface is provided on the push block 307, and the guide surface is inclined and faces the movable sleeve 308.

[0052] The movable sleeve 308 is provided with a through cavity, in which a guide rod 309 is passed through, and the connecting head 304 is provided with a guide groove for the guide rod 309 to move. A connecting rod 310 is provided on the guide rod 309, and a third spring 311 is provided on the connecting rod 310. One end of the third spring 311 rests on the surface of the connecting head 304; an extension plate 312 is provided at the bottom of the guide rod 309, and two blocks 313 are provided on the inner wall of the guide groove. The two blocks 313 are respectively located on the inner walls on both sides of the guide groove, and the gap between the two blocks 313 corresponds to the width of the guide rod 309.

[0053] When pushing objects with a large area or volume, a single electric booster cylinder can only provide point thrust and cannot stably drive the object to move. Therefore, multiple electric booster cylinders are required to cooperate to provide power from multiple points for pushing. Therefore, a connecting seat assembly 200 and a connecting rod assembly 300 are required to connect multiple electric booster cylinders together.

[0054] It is worth noting that first connection blocks 218 are provided on the four side walls of the base 201 so that the base 201 can be connected in all four directions.

[0055] When connecting two bases 201, directly insert the connecting head 304 into the connecting groove, insert the second fixing block 305 into the second fixing groove 219 to fix the connecting head 304 in the connecting groove, and use the two connecting heads 304 on the connecting rod assembly 300 to connect the two bases 201 together.

[0056] When disassembling the two connected bases 201, the connecting rod 310 is pushed toward the connecting head 304, and the connecting rod 310 drives the guide rod 309 to move. The guide rod 309 drives the extension plate 312 to move so that the extension plate 312 is staggered with the stop block 313, and the movable sleeve 308 is pushed toward the push block 307. The movable sleeve 308 pushes the push block 307 to move, and the push block 307 drives the second fixed block 305 to enter the third movable groove. The second fixed block 305 is disengaged from the second fixed groove 219, and the connecting head 304 can be easily removed from the connecting groove; the setting of the stop block 313 and the extension plate 312 is used to avoid accidentally touching the movable sleeve 308 after the base 201 is connected, thereby ensuring the stability of the connection of multiple electric booster cylinders.

[0057] The descriptions are merely some preferred embodiments of the present disclosure and illustrate the underlying technical principles. Those skilled in the art should understand that the scope of the invention described in the embodiments of the present disclosure is not limited to technical solutions formed by specific combinations of the aforementioned technical features. It also encompasses other technical solutions formed by any combination of the aforementioned technical features or their equivalents without departing from the aforementioned inventive concept. For example, a technical solution formed by replacing the aforementioned features with (but not limited to) technical features with similar functions disclosed in the embodiments of the present disclosure.

Claims

1. An electric booster cylinder, comprising: The piston rod reciprocates in a specified direction; a cylinder body having a space for the piston rod to move; a motor, driving the piston rod to move within the space of the cylinder; Its characteristics are: The electric booster cylinder also includes: A push rod is disposed inside the cylinder; The piston rod is located at one end of the push rod, and a first movable groove is provided at one end of the push rod, and one end of the piston rod is inserted into the first movable groove; A pressure booster is provided in the first movable groove so that when the piston rod moves relative to the push rod in the first movable groove, the pressure booster provides thrust for the push rod.

2. The electric booster cylinder according to claim 1, characterized in that: The pressurizing component is a spring.

3. The electric booster cylinder according to claim 1, characterized in that: A guide ring is provided on the cylinder body, and the piston rod is inserted into the guide ring.

4. The electric booster cylinder according to claim 1, characterized in that: Also includes: a motor plate connected to one end of the cylinder body; A first transmission wheel is provided on the output shaft of the motor; a second transmission wheel, provided at one end of the piston rod; A protective cover is provided on the motor plate; One end of the piston rod passes through the cylinder body, and the first transmission wheel and the second transmission wheel are in transmission cooperation.

5. A boosting system, characterized in that: include: Several electric booster cylinders according to any one of claims 1 to 4; A plurality of connecting seat assemblies connected to the electric booster cylinder; A plurality of connecting rod assemblies connected to the connecting seat assembly; The number of the connecting seat assemblies, the number of the connecting rod assemblies and the number of the electric booster cylinders correspond to each other, and the different connecting seat assemblies are connected by the connecting rod assemblies so that they are on the same plane, so that the strokes of the push rods of the electric booster cylinders on the connecting seat bases are consistent.

6. The boosting system according to claim 5, characterized in that: The connecting seat assembly includes: A base connected to the cylinder body; A guide rail is provided on the base; A movable block is slidably connected to the guide rail; A connecting plate, provided on the movable block; The guide rail can move on the base, and the direction in which the guide rail moves on the base is perpendicular to the direction in which the movable block moves on the guide rail; a first threaded hole is provided on the connecting plate.

7. The boosting system according to claim 6, characterized in that: The movable block is provided with a first sliding block corresponding to the guide rail, the first sliding block is provided with a fixed plate, and the fixed plate is against the inner wall of the guide rail; the movable block is provided with a push plate for driving the fixed plate to move.

8. The boosting system according to claim 6, characterized in that: A second slider is provided on the guide rail, and a slide groove for the movement of the second slider is provided on the base; a mounting groove is also provided on the base, a guide block is provided in the mounting groove, a guide groove is provided on the guide block, a guide block is provided on the guide rail, and the guide block is inserted in the guide groove; a first fixing block is provided in the guide groove to fix the guide block.

9. The boosting system according to claim 6, characterized in that: The connecting rod assembly includes: The sleeve rod is constructed into a hollow structure; A first movable rod is arranged in the sleeve rod; Two connecting heads are respectively provided at one end of the sleeve rod and one end of the first movable rod; The base is provided with a first connecting block, and the first connecting block is provided with a connecting groove corresponding to the connecting head; the connecting head is provided with a second fixing block, and the connecting head is provided with a second fixing groove corresponding to the second fixing block.

10. The boosting system according to claim 9, characterized in that: The connecting head is provided with a movable sleeve, which can move along the surface of the connecting head. The connecting head is provided with a push block connected to the second fixed block. When the movable sleeve moves, it pushes the push block to move, so that the second fixed block is disengaged from the second fixed groove.

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