Manual tablet press of infrared spectroscopy experiment
Technical Field
The utility model discloses be applied to infrared spectrum tablet press field, specifically be a manual tablet press of infrared spectrum experiment.
Background
Infrared spectrum is the infrared absorption spectrum of a substance, which is also called molecular vibration spectrum or vibration-transition spectrum, and is obtained by detecting the absorption condition of infrared rays, wherein infrared rays with certain wavelengths can be selectively absorbed by molecules to cause the transition of vibration energy level and rotation energy level in the molecules. Carry out infrared spectrum experiment and can not leave infrared spectrum appearance solid sample tablet press, current tablet press divides into two types, one type is electric drive's large-scale tablet press, one type is portable manual tablet press, large-scale tablet press preforming high quality, but the great maintenance of volume is all inconvenient with the use, and the higher big outfit in batches in the laboratory of being not convenient for of cost, but current manual tablet press preforming quality is relatively poor, press the dislocation when moving to make between the upper and lower pressure head because misoperation leads to the depression bar to misplace easily at the preforming in-process and move and lead to the unable normal use of piece quality extremely poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to prior art not enough, provide a manual tablet press of infrared spectrum experiment.
In order to solve the technical problem, the manual tablet press for infrared spectroscopy experiments comprises a cylinder body, a pressing assembly and a pressing head assembly, wherein the pressing assembly is arranged in the cylinder body, and the pressing head assembly is arranged at one end of the pressing assembly and is pushed by the pressing assembly to press;
an operation opening and a material taking opening are formed in the side wall of the cylinder body from top to bottom;
the pressing assembly comprises an operating rod and a pressing rod, the operating rod is arranged in the operating port, the operating rod is hinged with the side wall of the barrel body and can rotate relative to the barrel body, a protruding block is arranged on the lower surface of one section of the operating rod, which is positioned in the barrel body, one end of the protruding block is obliquely abutted against one end of the pressing rod, the pressing rod is coaxially arranged in the inner cavity of the barrel body, and the pressing rod is connected with the barrel body in a resetting sliding mode and can slide up and down relative to the barrel body;
the pressure head subassembly includes pressure head and lower pressure head, go up pressure head fixed mounting in the depression bar other end, pressure head demountable installation in barrel bottom corresponds to down.
As a possible implementation manner, further, one section of the side wall of the pressure lever is slidably connected with the side wall of the cylinder through a linear bearing, the other section of the side wall of the pressure lever is provided with a reset plate, the pressure lever is axially sleeved with a reset elastic part, one end of the reset elastic part is fixedly connected with the reset plate, and the other end of the reset elastic part is fixedly connected with the inner wall of the cylinder.
As a possible implementation manner, further, a pressure sheet groove is formed in the lower pressure head, and a guide positioning groove is formed in the upper pressure head corresponding to the upper edge of the lower pressure head;
as a possible implementation manner, further, a slot positioning block is arranged at the bottom of the cylinder, and a connecting sliding block corresponding to a slot of the slot positioning block is installed at the bottom of the lower pressing head.
As a possible embodiment, further, the material taking port only penetrates through one side wall of the cylinder.
As a possible embodiment, the operating lever handle section is further provided with an arc-shaped edge.
The utility model adopts the above technical scheme, following beneficial effect has:
1. the utility model discloses a set up the linear bearing and carry out sliding connection to depression bar and barrel, thereby carry on spacingly to the depression bar, make it keep axial displacement at the slip in-process of preforming, avoid appearing dislocation skew and remove and make between the upper and lower pressure head when pressing down the problem that leads to the unable normal use of piece quality range upon range, the reason of following of the pressure head is equipped with the direction constant head tank under corresponding on the upper and lower pressure head simultaneously, the reason of following of pressure head can be guided to the direction constant head tank when making upper and lower pressure head carry out the opposite direction removal in, it slides and leads to the preforming quality relatively poor to prevent to appear relative displacement between the pressure head when the preforming, make the two agree with difficult slip mutually, improve preforming quality and experiment accuracy.
2. The utility model discloses a set up action bars, lug and the elastic component that resets and cooperate for the user can make the lug extrude the depression bar downwards and carry out the preforming through pressing down the action bars, and the elastic component that resets makes depression bar automatic re-setting behind the preforming at every turn, has improved the availability factor and the convenient degree of tablet press.
3. The utility model discloses a handheld section of action bars sets up to the arc edge for can not press against the hand and laborsaving operation of being convenient for when the preforming hard in the operation process.
Drawings
The present invention will be described in further detail with reference to the following drawings and embodiments:
FIG. 1 is a sectional view of the internal structure of the present invention;
FIG. 2 is a side view of the structure of the present invention;
FIG. 3 is a schematic structural view of the upper pressing head of the present invention;
FIG. 4 is a schematic view of the structure of the lower press head of the present invention;
FIG. 5 is a top view of the slot positioning block mounting structure of the present invention;
fig. 6 is a side view of the installation state structure of the slot positioning block of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention will be combined to clearly and completely describe the technical solutions of the embodiments of the present invention.
As shown in fig. 1-2, the utility model provides a manual tablet press for infrared spectroscopy experiments, which comprises a cylinder body 1, a pressing component 2 and a pressure head component 3, wherein the pressing component 2 is arranged in the cylinder body 1, and the pressure head component 3 is arranged at one end of the pressing component 2 and is pushed by the pressing component 2 to perform pressing;
an operation opening 11 and a material taking opening 12 are formed in the side wall of the cylinder body 1 from top to bottom; the pressing component 2 comprises an operating rod 21 and a pressing rod 22, the operating rod 21 is arranged in the operating opening 11, the operating rod 21 is hinged to the side wall of the barrel body 1 and can rotate relative to the side wall of the barrel body, the tail end of the operating rod 21 is provided with an auxiliary operating rod, the operable length of the operating rod can be increased, the lower surface of one section of the operating rod 21, which is located in the barrel body 1, is provided with a convex block 23, one end of the convex block 23 is obliquely abutted to one end of the pressing rod 22, the pressing rod 22 is coaxially arranged in the inner cavity of the barrel body 1, the pressing rod 22 is connected with the barrel body 1 in a resetting and sliding mode, and the pressing rod 22 can slide up and down relative to the barrel body 1. The pressure head component 3 comprises an upper pressure head 31 and a lower pressure head 32, the upper pressure head 31 is fixedly arranged at the other end of the pressure rod 22, and the lower pressure head 32 is detachably arranged at the bottom of the cylinder body 1 corresponding to the upper pressure head 31. One section of side wall of the pressure lever 22 is slidably connected with the side wall of the cylinder 1 through a linear bearing 24, the other section of side wall of the pressure lever 22 is provided with a reset plate 25, a reset elastic part 26 is axially sleeved on the pressure lever 22, one end of the reset elastic part 26 is fixedly connected with the reset plate 25, and the other end of the reset elastic part is fixedly connected with the inner wall of the cylinder 1. The material taking port 12 only penetrates through one side wall of the cylinder 1. The handle section of the operating rod 21 is provided with an arc-shaped edge. So that the hand can not be pressed when the tablet is pressed forcibly in the operation process, and the operation is labor-saving and convenient. The utility model discloses a set up linear bearing 14 and carry out sliding connection to depression bar 22 and barrel 1 to carry on spacingly to depression bar 22, make it keep axial displacement at the slip in-process of preforming, avoid appearing the dislocation skew and remove and make between the upper and lower pressure head press down the problem that leads to the extremely poor unable normal use of one's piece quality to misplace each other.
As shown in fig. 3-4, a pressing groove 321 is formed in the lower pressing head 32, and a guide positioning groove 311 is formed in the upper pressing head 31 corresponding to the upper edge of the lower pressing head 32; the last reason that corresponds pressure head 32 down on last pressure head 31 is equipped with direction constant head tank 311 for the last reason of pressure head can be guided to the direction constant head tank when going up the pressure head and moving in opposite directions down, and it is relatively poor to prevent to appear relative displacement slip when the preforming and lead to the preforming quality, makes the two agree with difficult slip mutually, improves preforming quality and experimental accuracy.
As shown in fig. 5-6, a slot positioning block 13 is disposed at the bottom of the cylinder 1, and a connection slider 14 corresponding to a slot of the slot positioning block 13 is mounted at the bottom of the lower press head 32.
When the device is used, a user firstly takes out the lower pressing head 32, powder such as potassium bromide and the like which needs to be subjected to tabletting operation is loaded into the tabletting groove 321, the connecting slide block 14 below the lower pressing head 32 is pushed into the slot positioning block 13 to complete positioning, the displacement of the connecting slide block is prevented during tabletting, at the moment, the operating rod 21 is pressed downwards to ensure that the triangular lug 23 below the operating rod 21 swings downwards to push the pressing rod 22 to move downwards, the tail end of the lug 23 cannot swing to exceed the central axis of the cylinder body during swinging, the pressing rod 22 slides in the linear bearing 24 in a matching way, the resetting elastic piece 26 stretches to deform, the downward pressing rod 22 drives the upper pressing head 31 to move downwards, so that the upper edge of the lower pressing head 32 is guided into the guide positioning groove 311 to carry out tabletting operation, the powder such as potassium bromide and the like in the lower pressing head 32 is pressed into tablets, at the moment, the resetting elastic piece 26 rebounds to drive the pressing rod 22 to reset to complete pressing by loosening the operating rod 21, at this point, the user removes the ram 32 and pours out the product to complete the sheeting operation.
The above embodiments are the embodiments of the present invention, and for those skilled in the art, according to the teaching of the present invention, the equivalent changes, modifications, replacements and variations made by the claims of the present invention should all belong to the scope of the present invention without departing from the principle and spirit of the present invention.