CN214928040U

CN214928040U - Balanced adjustment mechanism of pencil thermoprint pressure

Info

Publication number: CN214928040U
Application number: CN202120367830.3U
Authority: CN
Inventors: 易晓明
Original assignee: Shantou Sanpu Machinery Equipment Co ltd
Current assignee: Shantou Sanpu Machinery Equipment Co ltd
Priority date: 2021-02-10
Filing date: 2021-02-10
Publication date: 2021-11-30
Anticipated expiration: 2031-02-10

Abstract

The utility model provides a pencil thermoprint pressure equalization regulation mechanism, includes thermoprint support, the balanced unit of pencil pressure, its characterized in that: the pencil hot stamping pressure balance adjusting mechanism further comprises a pressure adjusting unit, the pressure adjusting unit comprises an air cylinder and a precision pressure regulating valve, the air cylinder is installed on the hot stamping support, the pencil pressure balance unit is installed on the top end of a piston shaft of the air cylinder, the precision pressure regulating valve is installed on the hot stamping support, an inlet of the precision pressure regulating valve is connected with an external air source through an air pipe, and an outlet of the precision pressure regulating valve is connected with the air cylinder through the air pipe. The utility model has the advantages that the impression quality of the outer surface of the pencil can be effectively improved and the rejection rate is greatly reduced by arranging the pressure adjusting unit and the guiding unit; by arranging the height adjusting unit, the pencil hot stamping pressure balance adjusting mechanism can stamp pencils with different shapes and sizes, and the universality of products is improved; and because the product has simple structure, the number of parts is effectively reduced, and the production cost of the product production is reduced.

Description

Balanced adjustment mechanism of pencil thermoprint pressure

Technical Field

The utility model relates to a pencil surface lithography apparatus, more specifically say and relate to a pencil thermoprint pressure equalization adjustment mechanism that is used for shape pencils such as location triangle-shaped, quadrangle, ellipse.

Background

The process of impressing patterns or characters on the outer surface of the pencil is one of the procedures of processing the appearance of the pencil, and the pencil is placed on an impressing mechanism. Then the picture and text are heated, and the bronzing paper (electrochemical aluminum film) is printed on the outer surface of the pencil, and the processing method is widely applied to pencil production. However, pencils on the market are all made of wood, so that the diameters of all positions on the surface of the pencils cannot be guaranteed to be completely the same, and the difference of the diameters can cause uneven stress on the outer surface of the pencils during printing, so that the quality of pictures and texts of the pencils in the impressing process is unstable, and the defective rate and the rejection rate of hot stamping of the pencils are greatly increased. In addition, because the common stamping mechanism can not automatically adjust the height, the outer surface of the pencil with ovality and non-uniform outer diameter can not be printed with pictures and texts.

Disclosure of Invention

The utility model aims at providing a balanced adjustment mechanism of pencil thermoprint pressure, this kind of balanced adjustment mechanism of pencil thermoprint pressure can let lie in the pencil pressure balance unit and treat the pressure that the pencil of processing received remain stable throughout. The technical scheme is as follows:

the utility model provides a pencil thermoprint pressure equalization regulation mechanism, includes thermoprint support, the balanced unit of pencil pressure, its characterized in that: the pencil hot stamping pressure balance adjusting mechanism further comprises a pressure adjusting unit, the pressure adjusting unit comprises an air cylinder and a precision pressure regulating valve, the air cylinder is installed on the hot stamping support, the pencil pressure balance unit is installed at the top end of a piston shaft of the air cylinder, the precision pressure regulating valve is installed on the hot stamping support, an inlet of the precision pressure regulating valve is connected with an external air source through an air pipe, and an outlet of the precision pressure regulating valve is connected with the air cylinder through the air pipe.

According to a preferred scheme, the pencil pressure balancing unit comprises a positioning frame and two supporting shafts, the positioning frame is installed at the top end of a piston shaft of the air cylinder, and the two supporting shafts are rotatably installed on the positioning frame.

More preferably, the pencil hot stamping pressure balance adjusting mechanism further comprises a guiding unit, the guiding unit comprises a cylinder supporting plate, a positioning frame supporting plate, an upper connecting plate, a lower connecting plate, two first tube positive linear bearings, two second tube positive linear bearings and two guiding shafts, the two first tube positive linear bearings are respectively fixed on the hot stamping support, the two guiding shafts are in one-to-one correspondence with the two first tube positive linear bearings, the two guiding shafts are respectively arranged in the corresponding first tube positive linear bearings in a vertically sliding manner and are arranged in parallel with each other, the upper ends of the two guiding shafts are respectively connected through the upper connecting plate, the lower ends of the two guiding shafts are respectively connected through the lower connecting plate, the two ends of the cylinder supporting plate are respectively installed at the bottoms of the two corresponding guiding shafts, the bottom end of the cylinder is installed on the cylinder supporting plate, the two second tube positive linear bearings are respectively sleeved on the upper portions of the two corresponding guiding shafts in a vertically sliding manner, the two ends of the positioning frame supporting plate are respectively installed on the two corresponding second pipe straight linear bearings, the top end of the piston shaft of the air cylinder is connected with the middle of the positioning frame supporting plate, and the positioning frame of the pencil pressure balancing unit is installed on the positioning frame supporting plate. By arranging the first pipe straight line bearing, the whole guide unit can do lifting motion along the vertical direction of the thermoprinting support more stably; through setting up the straight line bearing of second pipe for when pressure adjustment unit control pencil pressure equalizing unit goes up and down, pencil pressure equalizing unit can move more steadily.

According to a more preferable scheme, the pencil hot stamping positioning mechanism further comprises a height adjusting unit, the height adjusting unit is provided with an output end and is installed below the hot stamping support, and the guiding unit is installed at the output end of the height adjusting unit. By adopting the structure, the pencil hot stamping pressure balance adjusting mechanism can stamp pencils with different shapes and sizes, and the universality of products is improved.

More excellent scheme, the altitude mixture control unit includes drive arrangement, transmission shaft, cam, and drive arrangement sets up in thermoprint support below, and the one end of transmission shaft is the input, and the other end is the output, and the transmission shaft rotationally installs on the thermoprint support, and drive arrangement is connected with the input of transmission shaft, and the cam is installed on the output of transmission shaft, the guide unit still includes adjusting roller, and lower connecting plate middle part is equipped with the constant head tank, and adjusting roller installs in the constant head tank of lower connecting plate, adjusting roller and cam rolling contact.

According to a more preferable scheme, the driving device comprises a servo motor and a reduction gearbox, the servo motor and the reduction gearbox are respectively installed below the hot stamping support, and the servo motor is connected with the input end of the transmission shaft through the reduction gearbox and drives the transmission shaft to rotate.

Preferably, the driving device is a driving mechanism of the stamping machine.

Compared with the prior art, the hot stamping device has the advantages that the hot stamping quality of the outer surface of the pencil can be effectively improved and the rejection rate is greatly reduced due to the arrangement of the pressure adjusting unit and the guiding unit; the height adjusting unit is arranged, so that the pencil hot stamping pressure balance adjusting mechanism can stamp pencils with different shapes and sizes, and the universality of the product is improved; and because the structure of the product is simple, the number of parts is effectively reduced, the assembly steps are reduced, the failure rate and the production cost of product production are reduced, and the technology is also suitable for the balanced regulation of the hot stamping pressure on the surfaces of triangular, quadrangular and oval pencils.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

FIG. 2 is a schematic view of the structure of the stamping frame of FIG. 1 without the stamping frame;

fig. 3 is a schematic structural diagram of embodiment 2 of the present invention.

Detailed Description

Example 1

As shown in fig. 1 and 2, the pencil hot stamping pressure equalization adjusting mechanism in this embodiment includes a hot stamping support 1, a pencil pressure equalization unit 2, and a pressure adjusting unit 3, where the pressure adjusting unit 3 includes a cylinder 301 and a precision pressure adjusting valve 302, the cylinder 301 is installed on the hot stamping support 1, the pencil pressure equalization unit 2 is installed at the top end of a piston shaft of the cylinder 301, the precision pressure adjusting valve 302 is installed on the hot stamping support 1, an inlet of the precision pressure adjusting valve 302 is connected with an external air source through an air pipe, and an outlet of the precision pressure adjusting valve 302 is connected with the cylinder 301 through an air pipe.

The pencil pressure equalizing unit 2 comprises a positioning frame 201 and two supporting shafts 202, wherein the positioning frame 201 is installed at the top end of the piston shaft, and the two supporting shafts 202 are rotatably installed on the positioning frame 201.

The pencil stamping pressure balance adjusting mechanism further comprises a guiding unit 4, the guiding unit 4 comprises a cylinder supporting plate 401, a positioning frame supporting plate 402, an upper connecting plate 403, a lower connecting plate 404, two first tube straight line bearings 405, two second tube straight line bearings 406 and two guiding shafts 407, the two first tube straight line bearings 405 are fixed on the stamping support 1, the two guiding shafts 407 are arranged in the two corresponding first tube straight line bearings 405 in a vertically sliding manner, the two guiding shafts 407 are arranged in parallel to each other, the upper ends of the two guiding shafts 407 are connected through the upper connecting plate 403 respectively, the lower ends of the two guiding shafts 407 are connected through the lower connecting plate 404 respectively, the two ends of the cylinder supporting plate 401 are arranged at the bottoms of the two corresponding guiding shafts 407 respectively, the bottom end of the cylinder 301 is arranged on the cylinder supporting plate 401, the two second tube straight line bearings 406 are sleeved on the upper portions of the two corresponding guiding shafts 407 in a vertically sliding manner respectively, two ends of the locating frame supporting plate 402 are respectively installed on the two corresponding second pipe straight linear bearings 406, the top end of the piston shaft of the cylinder 301 is connected with the middle part of the locating frame supporting plate 402, and the locating frame 201 of the pencil pressure equalizing unit 2 is installed on the locating frame supporting plate 402. The height of the guide unit 4 and the pencil pressure equalizing unit 2 is controlled by controlling the guide shaft 407 to slide up and down along the inner hole of the first tube straight bearing 405; when the precision pressure regulating valve 302 supplies air, the piston shaft of the air cylinder 301 rises, the air cylinder 301 drives the positioning frame supporting plate 402 to rise, and the positioning frame supporting plate 402 drives the two corresponding second tube straight linear bearings 406 to rise, so that the pencil pressure equalizing unit 2 rises smoothly along the two guide shafts 407; when the precision pressure regulating valve 302 is deflated, the piston shaft of the cylinder 301 descends, the cylinder 301 drives the positioning frame support plate 402 to descend, and the positioning frame support plate 402 drives the two corresponding second tube straight linear bearings 406 to descend, so that the pencil pressure equalizing unit 2 descends smoothly along the two guide shafts 407.

The pencil hot stamping pressure balance adjusting mechanism further comprises a height adjusting unit 5, wherein the height adjusting unit 5 is provided with an output end, the height adjusting unit 5 is installed below the hot stamping support 1, and the guiding unit 4 is installed at the output end of the height adjusting unit 5. By adopting the structure, the pencil hot stamping pressure balance adjusting mechanism can stamp pencils with different sizes, and the universality of products is improved.

The height adjusting unit 5 comprises a driving device 501, a transmission shaft 502 and a cam 503, the driving device 501 is arranged below the hot stamping support 1, one end of the transmission shaft 503 is an input end, the other end of the transmission shaft 503 is an output end, the transmission shaft 503 is rotatably arranged on the hot stamping support 1, the driving device 501 is connected with the input end of the transmission shaft 503, the cam 504 is arranged on the output end of the transmission shaft 503, the guiding unit 4 further comprises an adjusting roller 408, a positioning groove 4041 is arranged in the middle of the lower connecting plate 404, the adjusting roller 408 is arranged in the positioning groove 4041 of the lower connecting plate 404, and the adjusting roller 408 is in rolling contact with the cam 504.

The driving device 501 comprises a servo motor 5011 and a reduction gearbox 5012, the servo motor 5011 and the reduction gearbox 5012 are respectively installed below the hot stamping support 1, and the servo motor 5011 is connected with the input end of the transmission shaft 503 through the reduction gearbox 5012 and drives the transmission shaft 503 to rotate.

The following operation is described with reference to fig. 1 and 2:

firstly, a pencil is placed on the pencil pressure equalizing unit 2 and positioned between the two support shafts 202, and the height adjusting unit 5 is adjusted according to the shape and size of the pencil, so that the distance between the top surface of the pencil pressure equalizing unit 2 and the platen is adjusted; in the process of stamping, when the outer surface of the pencil is protruded, the pressure applied to the pencil pressure equalizing unit 2 rises, the precision pressure regulating valve 302 deflates, the piston shaft of the cylinder 301 moves downwards, so that the height of the pencil is reduced, and further, when the pencil is stamped, the pressure of the stamping plate on the surface of the pencil is a constant value; on the contrary, when the outer diameter of the pencil is reduced, the precision pressure regulating valve 302 supplies air, the piston shaft of the air cylinder 301 moves upwards, so that the height of the pencil is increased, and the pressure of the stamping plate on the surface of the pencil is a constant value when the pencil is stamped; by arranging the pressure adjusting unit 3 and the guiding unit 4, the impressing quality of the outer surface of the pencil can be effectively improved, and the rejection rate is greatly reduced.

Example 2

As shown in fig. 3, the present embodiment is different from embodiment 1 in that:

the driving device 501 is a driving mechanism of a stamping press. The scheme can save a power device and save consumed electric energy.

In addition, it should be noted that the names of the parts and the like of the embodiments described in the present specification may be different, and all the equivalent or simple changes made according to the structure, the features and the principle of the present invention are included in the protection scope of the present invention. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a pencil thermoprint pressure equalization regulation mechanism, includes thermoprint support, the balanced unit of pencil pressure, its characterized in that: the pencil hot stamping pressure balance adjusting mechanism further comprises a pressure adjusting unit, the pressure adjusting unit comprises an air cylinder and a precision pressure regulating valve, the air cylinder is installed on the hot stamping support, the pencil pressure balance unit is installed at the top end of a piston shaft of the air cylinder, the precision pressure regulating valve is installed on the hot stamping support, an inlet of the precision pressure regulating valve is connected with an external air source through an air pipe, and an outlet of the precision pressure regulating valve is connected with the air cylinder through the air pipe.

2. The pencil hot stamping pressure equalization adjusting mechanism as claimed in claim 1, characterized in that: the pencil pressure balancing unit comprises a positioning frame and two supporting shafts, the positioning frame is installed at the top end of the piston shaft, and the two supporting shafts are rotatably installed on the positioning frame.

3. The pencil hot stamping pressure equalization adjusting mechanism as claimed in claim 2, characterized in that: the pencil hot stamping pressure balance adjusting mechanism further comprises a guiding unit, the guiding unit comprises a cylinder supporting plate, a positioning frame supporting plate, an upper connecting plate, a lower connecting plate, two first tube positive linear bearings, two second tube positive linear bearings and two guiding shafts, the two first tube positive linear bearings are fixed on the hot stamping support, the two guiding shafts are in one-to-one correspondence with the two first tube positive linear bearings, the two guiding shafts are respectively arranged in the corresponding first tube positive linear bearings in an up-and-down sliding manner, the two guiding shafts are arranged in parallel with each other, the upper ends of the two guiding shafts are respectively connected through the upper connecting plate, the lower ends of the two guiding shafts are respectively connected through the lower connecting plate, the two ends of the cylinder supporting plate are respectively arranged at the bottoms of the two corresponding guiding shafts, the bottom end of the cylinder is arranged on the cylinder supporting plate, the two second tube positive linear bearings are sleeved on the upper portions of the two corresponding guiding shafts in an up-and-down sliding manner, the two ends of the positioning frame supporting plate are respectively installed on the two corresponding second pipe straight linear bearings, the top end of the piston shaft of the air cylinder is connected with the middle of the positioning frame supporting plate, and the positioning frame of the pencil pressure balancing unit is installed on the positioning frame supporting plate.

4. The pencil hot stamping pressure equalization adjusting mechanism as claimed in claim 3, characterized in that: the pencil hot stamping pressure balance adjusting mechanism further comprises a height adjusting unit, the height adjusting unit is provided with an output end and is installed below the hot stamping support, and the guiding unit is installed at the output end of the height adjusting unit.

5. The pencil hot stamping pressure equalization adjusting mechanism as claimed in claim 4, characterized in that: the height adjusting unit comprises a driving device, a transmission shaft and a cam, the driving device is arranged below the hot stamping support, one end of the transmission shaft is an input end, the other end of the transmission shaft is an output end, the transmission shaft is rotatably arranged on the hot stamping support, the driving device is connected with the input end of the transmission shaft, the cam is arranged on the output end of the transmission shaft, the guiding unit further comprises an adjusting roller, a positioning groove is formed in the middle of the lower connecting plate, the adjusting roller is arranged in the positioning groove of the lower connecting plate, and the adjusting roller is in rolling contact with the cam.

6. The pencil hot stamping pressure equalization adjusting mechanism as claimed in claim 5, characterized in that: the driving device comprises a servo motor and a reduction gearbox, the servo motor and the reduction gearbox are respectively arranged below the hot stamping support, and the servo motor is connected with the input end of the transmission shaft through the reduction gearbox and drives the transmission shaft to rotate.

7. The pencil hot stamping pressure equalization adjusting mechanism as claimed in claim 5, characterized in that: the driving device is a driving mechanism of the stamping machine.