CN113910301B

CN113910301B - Brick tea cutter

Info

Publication number: CN113910301B
Application number: CN202111129148.1A
Authority: CN
Inventors: 周国鹏; 程康; 郑志鹏; 王芬
Original assignee: Hubei Xiangcheng Intelligent Electromechanical Industry Technology Research Institute Co ltd
Current assignee: Hubei Xiangcheng Intelligent Electromechanical Industry Technology Research Institute Co ltd
Priority date: 2021-09-26
Filing date: 2021-09-26
Publication date: 2024-07-05
Anticipated expiration: 2041-09-26
Also published as: CN113910301A

Abstract

The invention provides a brick tea cutter, and belongs to the technical field of machinery. Including the base with fix the cutter main part on the base, longitudinal sliding connection has a blade holder in the cutter main part, the fixed blade that is provided with in lower part of blade holder, the fixed mounting panel that is provided with two mutual parallels in upper portion of blade holder, a banding slide hole has been seted up on the mounting panel, be provided with a drive block between two mounting panels, the both sides at drive block middle part are fixed respectively and are provided with the cotter pin with two slide hole adaptations, the one end of drive block has a tooth hook, the other end of drive block is provided with a pressure arm, be provided with on the cutter main part can with tooth hook complex rack, each tooth longitudinal distribution on the rack, the tooth hook can break away from the meshing of rack when the cotter pin slides along the slide hole to the direction that is close to the rack, the tooth hook can be meshed the rack when the cotter pin slides along the slide hole to the direction that is close to the rack. The invention has the advantages of light operation, small size and the like.

Description

Brick tea cutter

Technical Field

The invention belongs to the technical field of machinery, and relates to a brick tea slitter.

Background

In the using process of the brick tea, the brick tea is required to be cut into small pieces so as to be convenient for boiling and drinking, in the prior art, a tea cutting machine using a hydraulic cylinder or an air cylinder as power is high in price, large in size and high in energy consumption, is suitable for being limited in scenes, is especially not suitable for household use, and moreover, due to the fact that engine oil overflows (at least volatilizes) in the operation of power elements such as an oil cylinder, an air cylinder and the like, the brick tea is polluted by the engine oil, and the drinking sanitation, the taste and the quality of the brick tea are affected. There are also tools for cutting bricks and tea such as brick tea scissors and tea sledge knife on the market, and the tea cutting tools are small in size, but are inconvenient to operate, laborious and large in tea scraps, and safety accidents such as hand cutting (or hand cutting) are easy to occur. Therefore, no ideal brick tea cutting equipment is available in the prior art, especially for brick tea with large volume, large pressed density and high hardness.

In addition, aiming at the defects that the automatic tea cutting equipment in the prior art has large size, needs power connection and limits the use scene, and the grain diameter is large after cutting and secondary cutting is needed before cooking, the brick tea blocks cut by the automatic tea cutting equipment are often cut into pieces by a cutter so as to be convenient for cooking; in the market, because the brick tea is difficult to cut before being brewed, many consumers are reluctant to select the brick tea, and are particularly reluctant to purchase the brick tea for returning to home.

Disclosure of Invention

The invention aims to solve the problems existing in the prior art and provide a brick tea slitter, and aims to solve the technical problems of small design size and light operation.

The aim of the invention can be achieved by the following technical scheme: the utility model provides a brick tea slitter which is characterized in that, include the base and fix the slitter main part on the base, longitudinally sliding connection has a blade holder in the slitter main part, the lower part of blade holder is fixedly provided with a blade, the upper portion of blade holder is fixedly provided with two mounting panels that are parallel to each other, a banding slide hole has been seted up on the mounting panel, is provided with a drive block between two mounting panels, the both sides in the middle part of drive block are fixedly provided with the cotter that suits with two slide holes respectively, one end of drive block has a tooth hook, the other end of drive block is provided with a pressure arm, be provided with the rack that can cooperate with tooth hook on the slitter main part, each tooth on the rack vertically distributes, tooth hook can break away from the meshing of rack when the cotter slides along the slide hole to the direction that keeps away from the rack, tooth hook can be meshed when the cotter slides along the slide hole to the direction that is close to the rack along the slide hole;

The two mounting plates are provided with supporting surfaces which can be abutted against the driving blocks, a limiting surface and an avoidance surface which is positioned below the limiting surface are formed between adjacent teeth of the rack, an inclination angle between 65 degrees and 95 degrees is formed between the limiting surface and the sliding direction of the tool apron, and an acute angle is formed between the avoidance surface and the limiting surface.

Further, the driving block is provided with a curved contact surface which can be contacted with the supporting surface.

Further, the cutter main body comprises two side plates and a back plate, the two side plates are fixedly connected with the base, and the rack is arranged on the inner side face of the back plate.

Further, the inner side surfaces of the two side plates are provided with longitudinal guide grooves matched with the tool apron.

Further, the inner side surfaces of the two side plates are respectively fixedly provided with a positioning cylinder, a steel ball which can partially extend out of the opening of the positioning cylinder is connected in a sliding manner in the positioning cylinder, and the steel ball is abutted against the bottom of the positioning cylinder through a compression spring in a compressed state; the driving block is provided with a positioning opening matched with the steel ball.

Further, when the steel balls are propped in the positioning openings, the blades are far away from the base.

Further, a discharge hole is formed between the lower end of the back plate and the base.

Further, a feeding alignment opening is formed between the lower end of one side plate and the base.

Furthermore, one side of the blade edge part, which is close to the discharge hole, is an inclined surface, and the other side surface of the blade edge part is a flat surface parallel to the moving direction of the tool apron.

Further, the longitudinal position and the transverse position of the blade on the blade holder are adjustable.

The adjusting mode is various, for example, a bolt column is arranged on the tool apron, a transverse waist-shaped mounting hole and a longitudinal waist-shaped mounting hole are arranged on the blade, the blade is fixed on the bolt through the bolt, and the relative position of the tool apron and the blade is adjusted through the waist-shaped mounting hole.

Further, the pressing arm is detachably connected with the driving block.

Alternatively, the pressing arm is fixedly connected with the driving block.

The working process is as follows:

Adjusting the brick tea slitter to an initial state: the external pulling and pressing arm enables the tooth hook to be separated from the rack, the pressing arm is lifted up, the blade is moved upwards, and the steel ball is in an initial state of the brick tea cutter when being pressed into the positioning opening;

brick tea feeding: placing the brick tea on a base, pushing the brick tea to enable a part to be cut of the brick tea to be placed below a blade;

Cutting tea bricks: the pressing arm is lifted up under the condition that the tail end of the pressing arm is held, then the pressing arm is pushed to enable the tooth hook to engage the rack, then the pressing arm is pushed down, primary feeding of the blade on the brick tea is completed, the pressing arm is pulled out again to separate the tooth hook from the rack, the pressing arm is lifted up, then the pressing arm is pushed to enable the tooth hook to engage the rack again, the meshing position of the tooth hook on the rack is closer to the base than the former time, then the pressing arm is pushed down, secondary feeding of the blade on the brick tea is completed, and in this way, the meshing position of the tooth hook on the rack is repeatedly moved down gradually, the blade is also moved down gradually until the blade moves down to a limit position, and the limit position is determined by limiting the cutter seat through the longitudinal guide groove;

And controlling the brick tea slitter to an initial state again, and taking out the cut brick tea blocks from the discharge hole when the blade is far away from the base.

The supporting surface is the top surface of the tool apron, when the tooth hook is meshed with the rack, the curved contact surface on the driving block is abutted against the supporting surface, a labor-saving lever structure is formed in the process of pressing down the arm, namely, the contact point of the limiting surface and the tooth hook is used as a fulcrum, the distance between the contact point of the tooth hook and one of the limiting surfaces of the rack and the holding position on the pressing arm is used as a power force arm, the distance between the contact point of the tooth hook and one of the limiting surfaces of the rack and the abutting point of the supporting surface and the driving block is used as a resistance force arm, and the maximum cutting pressure of the blade can be achieved within the limited size, so that the tea brick cutter is small in size and light in operation; in addition, the whole tea cutting stroke of the blades which are graded and completed in a dividing way is adopted, so that the downward moving distance of the blades in a single swinging angle of the pressing arm is reduced, the pressure of the blades acting on the tea bricks is high, the blades can be suspended after the tea bricks move up and down by a small distance, the cut tea bricks are in a multi-layer structure by matching with the wedge-shaped cutting edge of the blades, the cut tea bricks are not required to be subdivided and thinned before being soaked, and the tea bricks can be manually torn to meet the requirement of required soaking quantity.

The brick tea is formed by pressing wet and cooked tea leaves, and a multi-layer structure formed by extrusion of blades after cutting is still mutually connected, but is easy to tear. The blade descends rapidly, a pause exists between two descending strokes, the cutter is not pressed down during the pause period due to the fact that the cutter holder is not pressed down, and the cutter is loosened from the brick tea due to the fact that the tooth hook is switched to the meshing position of the rack by operating the pressing rod, and then the brick tea is cut into a multi-layer structure according to the shape of the cutter edge.

A limiting surface and an avoiding surface positioned below the limiting surface are formed between adjacent teeth of the rack, and an inclination angle between 65 degrees and 95 degrees is formed between the limiting surface and the sliding direction of the tool apron, so that a tooth hook cannot be separated from the rack in the pressing arm pressing process, and the end part of the tooth hook is allowed to swing in a gap between adjacent teeth by the avoiding surface without being blocked.

The tooth hook on the drive block of slide hole is close to the rack or keeps away from the in-process of rack and can dodge the pipe pin, and has the in-process that pushes down the arm and drive the blade holder to move down to have can carry out vertical spacing to the pipe pin, and specifically, the structure of slide hole is: the strip-shaped structure with the lower end inclined towards the rack at ease has the width of the sliding hole matched with the diameter of the pipe pin, so that the pipe pin and the sliding hole are prevented from loosening in the downward moving process of the tool apron; of course, the slide holes can be replaced by slide grooves.

It is difficult to see that the brick tea slitter is small in size, light in operation (short in single stroke of the blade), unpowered, so that inorganic oil pollution is caused, the operation is safe and reliable, the brick tea slitter can be in a multi-layer structure after being slit, the brick tea slitter does not need to be slit again for refining, the use scene is rich, the problems of heavy and unsafe traditional tea slitting equipment and the like are solved, and the brick tea slitter is applicable to household and business and has extremely low manufacturing cost.

Drawings

Fig. 1 is a schematic perspective view of the brick tea slitter.

Fig. 2 is a schematic structural diagram of the three-dimensional structure of fig. 1 with one side plate removed.

Fig. 3 is a schematic view of the brick tea slitter in an initial state (with one side plate removed).

Fig. 4 is a cross-sectional view of fig. 3.

Fig. 5 is a schematic view of the state before the pressing arm is pressed down.

Fig. 6 is a schematic view of the state after the pressing arm is pressed down.

Fig. 7 is a schematic view of the structure of the outer pulling and pressing arm for switching the engagement position of the tooth hook on the rack.

Fig. 8 is a schematic structural view of the upper pressing arm to the position where the tooth hook is inserted into the rack.

Fig. 9 is a schematic view of the structure of the tooth hook when engaged with the new position of the rack.

Fig. 10 is an enlarged view of a portion a in fig. 4.

Fig. 11 is a schematic structural view of the present brick tea slitter in a brick tea setting state.

Fig. 12 is a schematic view of the construction of a brick tea cut by the present brick tea slitter (a multi-layered construction involving each other, each layer corresponding to a single pass of the blade).

In the figure, 1, a base; 2. a slitter body; 21. a side plate; 22. a back plate; 23. a discharge port; 24. a feeding alignment port; 31. a tool apron; 32. a blade; 33. a mounting plate; 34. a slide hole; 35. a driving block; 36. a pipe pin; 37. tooth hooks; 38. pressing an arm; 39. a rack; 41. a support surface; 42. a limiting surface; 43. an avoidance surface; 44. a contact surface; 51. a positioning cylinder; 52. steel balls; 53. and positioning the opening.

Detailed Description

The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the brick tea cutter comprises a base 1 and a cutter body 2 fixed on the base 1, a cutter seat 31 is longitudinally and slidably connected on the cutter body 2, a blade 32 is fixedly arranged at the lower part of the cutter seat 31, two mutually parallel mounting plates 33 are fixedly arranged at the upper part of the cutter seat 31, a strip-shaped sliding hole 34 is formed in the mounting plate 33, a driving block 35 is arranged between the two mounting plates 33, two sides of the middle part of the driving block 35 are respectively fixedly provided with a pipe pin 36 matched with the two sliding holes 34, one end of the driving block 35 is provided with a tooth hook 37, the other end of the driving block 35 is provided with a pressing arm 38, a rack 39 capable of being matched with the tooth hook 37 is arranged on the cutter body 2, each tooth on the rack 39 is longitudinally distributed, the tooth hook 37 can be separated from the engagement of the rack 39 when the pipe pin 36 slides along the sliding hole 34 in a direction away from the rack 39, and the tooth hook 37 can be engaged with the rack 39 when the pipe pin 36 slides along the sliding hole 34 in a direction approaching the rack 39;

The two mounting plates 33 are provided with a supporting surface 41 which can be abutted against the driving block 35, a limiting surface 42 and an avoidance surface 43 which is positioned below the limiting surface 42 are formed between adjacent teeth of the rack 39, an inclination angle between 65 degrees and 95 degrees is formed between the limiting surface 42 and the sliding direction of the tool apron 31, and an acute angle is formed between the avoidance surface 43 and the limiting surface 42.

The driving block 35 has a curved contact surface 44 that can contact the support surface 41.

The cutter body 2 comprises two side plates 21 and a back plate 22, the two side plates 21 are fixedly connected with the base 1, and the rack 39 is arranged on the inner side surface of the back plate 22.

The inner sides of the two side plates 21 have longitudinal guide grooves adapted to the tool holders 31.

As shown in fig. 4 and 10, the inner side surfaces of the two side plates 21 are respectively fixedly provided with a positioning cylinder 51, a steel ball 52 which can partially extend out of the opening of the positioning cylinder 51 is connected in a sliding manner in the positioning cylinder 51, and the steel ball 52 is abutted against the bottom of the positioning cylinder 51 through a compression spring in a compressed state; the driving block 35 is provided with a positioning opening 53 which is matched with the steel ball 52.

When the steel ball 52 is pressed in the positioning opening 53, the blade 32 is far away from the base 1.

A discharge hole 23 is formed between the lower end of the back plate 22 and the base 1.

A feeding alignment opening 24 is formed between the lower end of one side plate 21 and the base 1.

One side of the blade 32 near the discharge hole 23 is an inclined surface, and the other side of the blade 32 is a flat surface parallel to the moving direction of the tool holder 31.

The longitudinal and transverse positions of the insert 32 on the seat 31 are adjustable.

The adjustment modes are various, for example, a bolt column is arranged on the tool apron 31, a transverse waist-shaped mounting hole and a longitudinal waist-shaped mounting hole are arranged on the blade 32, the blade 32 is fixed on the bolt through the bolt, and the relative position of the tool apron 31 and the blade 32 is adjusted through the waist-shaped mounting hole.

The pressing arm 38 is detachably connected with the driving block 35. Alternatively, the pressing arm 38 is fixedly connected with the driving block 35.

The working process is as follows:

as shown in fig. 3 and 4, the brick tea slitter is adjusted to an initial state: the external pulling and pressing arm 38 enables the tooth hook 37 to be separated from the rack 39, the pressing arm 38 is lifted up, the blade 32 is moved upwards, and the steel ball 52 is in the initial state of the brick tea cutter when being pressed into the positioning opening 53;

as shown in fig. 11, brick tea feed: placing the brick tea on the base 1, pushing the brick tea so that the part to be cut of the brick tea is positioned below the blade 32;

Cutting tea bricks: as shown in fig. 4, 5 and 6, when the pressing arm 38 is held, the pressing arm 38 is lifted upwards, then the pressing arm 38 is pushed to enable the tooth hook 37 to engage the rack 39, then the pressing arm 38 is pushed downwards, the primary feeding of the blade 32 on the brick tea is completed, as shown in fig. 7, 8 and 9, the outer pressing arm 38 is pulled outwards again to separate the tooth hook 37 from the rack 39, the pressing arm 38 is lifted upwards, then the pressing arm 38 is pushed to enable the tooth hook 37 to engage the rack 39 again, the meshing position of the tooth hook 37 on the rack 39 is closer to the base 1 than the previous time, then the pressing arm 38 is pushed downwards, the secondary feeding of the blade 32 on the brick tea is completed, and thus the meshing position of the tooth hook 37 on the rack 39 is gradually moved downwards, and the blade 32 is gradually moved downwards until the blade 32 is moved downwards to a limit position, and the limit position is determined by the longitudinal guide groove to limit the cutter seat 31;

The brick tea slitter is controlled to the initial state again, and the blade 32 is far away from the base 1, at this time, the cut brick tea is taken out from the discharge hole 23.

The supporting surface 41 capable of being abutted against the driving block 35 is arranged between the two mounting plates 33, the supporting surface 41 is the top surface of the tool apron 31, when the tooth hooks 37 are meshed with the racks 39, the curved contact surface 44 on the driving block 35 is abutted against the supporting surface 41, a labor-saving lever structure is formed in the process of pressing down the pressing arms 38, namely, the contact point of the limiting surface 42 and the tooth hooks 37 is taken as a fulcrum, the distance between the contact point (namely, the fulcrum) of one of the limiting surfaces 42 of the tooth hooks 37 and the racks 39 and the holding position on the pressing arms 38 is taken as a power arm, and the distance between the contact point (namely, the fulcrum) of one of the limiting surfaces 42 of the tooth hooks 37 and the racks 39 and the abutting point of the supporting surface 41 and the driving block 35 is taken as a resistance arm, so that the maximum cutting pressure of the blade 32 can be achieved in a limited size, and the tea cutter is small in size and light in operation; in addition, the whole tea cutting stroke of the blade 32 which is classified and completed in a dividing way is adopted, so that the downward moving distance of the blade 32 in a single swinging angle of the pressing arm 38 is reduced, the pressure of the blade 32 acting on the tea brick is higher, the blade 32 can be suspended after moving up and down by a smaller distance, and the cut tea brick blocks can be in a 'multi-layer structure' by matching with the wedge-shaped cutting edge of the blade 32, as shown in fig. 12, the tea brick blocks do not need to be subdivided and thinned before being brewed, and can be torn by hand until the requirement of the required brewing amount is met.

A limiting surface 42 and an avoiding surface 43 positioned below the limiting surface 42 are formed between adjacent teeth of the rack 39, and an inclination angle between the limiting surface 42 and the sliding direction of the tool holder 31 is 65 degrees to 95 degrees, so that the tooth hook 37 cannot be separated from the rack 39 in the pressing process of the pressing arm 38, and the end part of the tooth hook 37 is allowed to swing in a gap between the adjacent teeth without being blocked by the avoiding surface 43.

The sliding hole 34 can avoid the pipe pin 36 when the tooth hook 37 on the driving block 35 is close to the rack 39 or far away from the rack 39, and can longitudinally limit the pipe pin 36 when the pressing arm 38 is pressed down to drive the tool apron 31 to move down, specifically, the sliding hole 34 has the structure that: the strip-shaped structure with the lower end inclined towards the rack 39 is safe, the width of the sliding hole 34 is matched with the diameter of the pipe pin 36, and the pipe pin 36 and the sliding hole 34 are prevented from loosening in the downward moving process of the tool apron 31; of course, the slide hole 34 may be replaced by a slide groove.

It is difficult to see that the brick tea slitter has small size, short single stroke of the portable blade 32, no power driving, thus, inorganic oil pollution, safe and reliable operation, multi-layer structure after brick tea slitting, no need of slitting and thinning again, rich use field, overcomes the problems of heavy and unsafe traditional tea slitting equipment, and has the advantages of household and commercial use and extremely low cost.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a brick tea slitter, its characterized in that includes base (1) and fixes slitter main part (2) on base (1), longitudinally sliding connection has a blade holder (31) on slitter main part (2), the lower part of blade holder (31) is fixedly provided with a blade (32), the upper portion of blade holder (31) is fixedly provided with two mounting panels (33) that are parallel to each other, a banding slide hole (34) has been seted up on mounting panel (33), is provided with a driving block (35) between two mounting panels (33), the both sides at driving block (35) middle part are fixed respectively and are provided with the cotter pin (36) with two slide holes (34) adaptation, one end of driving block (35) has a tooth hook (37), the other end of driving block (35) is provided with a pressing arm (38), be provided with on slitter main part (2) can with tooth hook (37) complex rack (39), each tooth on rack (39) is vertically distributed, tooth hook (37) can be in the direction of leaving from the cotter pin (36) along rack (39) in the direction of tooth hook (39), the tooth hook (37) can be meshed with the rack (39) when the pipe pin (36) slides along the sliding hole (34) in a direction approaching to the rack (39);

A supporting surface (41) capable of being abutted against the driving block (35) is arranged between the two mounting plates (33), a limiting surface (42) and an avoidance surface (43) positioned below the limiting surface (42) are formed between adjacent teeth of the rack (39), an inclination angle between 65 degrees and 95 degrees is formed between the limiting surface (42) and the sliding direction of the tool apron (31), and an acute angle is formed between the avoidance surface (43) and the limiting surface (42);

the driving block (35) is provided with a curved contact surface (44) which can be contacted with the supporting surface (41);

The cutter main body (2) comprises two side plates (21) and a back plate (22), the two side plates (21) are fixedly connected with the base (1), and the rack (39) is arranged on the inner side surface of the back plate (22);

The inner side surfaces of the two side plates (21) are respectively fixedly provided with a positioning cylinder (51), a steel ball (52) which can partially extend out of the opening of the positioning cylinder (51) is connected in a sliding manner in the positioning cylinder (51), and the steel ball (52) is abutted against the bottom of the positioning cylinder (51) through a compression spring in a compressed state; the driving block (35) is provided with a positioning opening (53) which is matched with the steel ball (52).

2. A brick tea slitter according to claim 1, characterized in that the inner sides of the two side plates (21) are provided with longitudinal guide grooves adapted to the knife holder (31).

3. A brick tea slitter according to claim 1, characterized in that the blade (32) is remote from the base (1) when the steel ball (52) is pressed in the positioning opening (53).

4. A brick tea slitter according to claim 1 or 2 or 3, characterized in that a discharge opening (23) is formed between the lower end of the back plate (22) and the base (1).

5. A brick tea slitter according to claim 1, 2 or 3, wherein a feed alignment opening (24) is formed between the lower end of one of the side plates (21) and the base (1).

6. A brick tea slitter according to claim 1,2 or 3, wherein one side of the blade (32) edge portion near the discharge opening (23) is an inclined surface, and the other side of the blade (32) edge portion is a flat surface parallel to the moving direction of the blade holder (31).

7. A brick tea slitter according to claim 1 or 2 or 3, characterized in that the longitudinal and transverse position of the blade (32) on the blade holder (31) is adjustable.