Concave surface gold stamping mechanism

Abstract

The invention discloses a concave surface gold stamping mechanism. The concave surface gold stamping mechanism comprises an arc moving frame and a gold stamping part, the arc motion frame is provided with two supporting plates which are arranged at an interval and a movable plate which is movably erected at the top ends of the two supporting plates, the top ends of the two supporting plates are rolling surfaces, and the rolling surfaces are arc-shaped supporting surfaces; the gold stamping part is provided with a fixed plate, a lower supporting assembly rotationally connected with the fixed plate, a gold stamping wheel assembly rotationally installed on the lower supporting assembly and a power mechanism which fixes the lower supporting assembly and is in driving connection with the gold stamping wheel assembly. The fixed plate is fixed to the lower plate face of the movable plate, and the position of the fixed plate can be adjusted. The gold stamping mechanism can conduct gold stamping on the concave face of a product, automatic gold stamping is achieved, the concave face gold stamping efficiency is improved, and the concave face gold stamping quality is guaranteed. The gilding angle can be adjusted, and gilding can be conducted on multiple areas of the concave face of a product.

Description

Technical Field

[0001] The invention relates to the technical field of hot stamping, in particular to a concave hot stamping mechanism. Background Art

[0002] In recent years, as people's requirements for the appearance and quality of product packaging have increased, printing technology and packaging technology have made great progress, and post-press processing technology has achieved vigorous development. Hot stamping, holographic and embossing are all post-press processing processes. Embossing is to use a concave and convex mold on the surface of the printed product after printing, and through the action of pressure, the printed product substrate undergoes plastic deformation, thereby performing artistic processing on the surface of the printed product; the surface of the printed product obtained by the embossing process shows different shades of patterns, with a distinct sense of relief, which greatly enhances the three-dimensional sense and artistic appeal of the printed product.

[0003] At present, most hot stamping equipment is used for hot stamping of flat products and convex products, while hot stamping of products with concave structures requires manual operation.

[0004] Manual hot stamping is not only inefficient but also has poor quality assurance.

[0005] In view of this, it is necessary to design a mechanism that can perform hot stamping on the concave surface of the product. Summary of the invention

[0006] In view of the deficiencies in the prior art, the technical problem to be solved by the present invention is to provide a concave hot stamping mechanism, the purpose of designing the concave hot stamping mechanism is to be able to hot stamp concave products.

[0007] In order to solve the above technical problems, the present invention is implemented by the following scheme: A concave hot stamping mechanism of the present invention comprises:

[0008] The arc motion frame comprises two support plates arranged at a certain distance, and a movable plate movably mounted on the top of the two support plates, and the tops of the two support plates are rolling surfaces, and the rolling surfaces are arc-shaped support surfaces;

[0009] The hot stamping part comprises a fixed plate, a lower supporting assembly rotatably connected to the fixed plate, a hot stamping wheel assembly rotatably mounted on the lower supporting assembly, and a power mechanism that fixes the lower supporting assembly and is drivingly connected to the hot stamping wheel assembly. The fixed plate is fixed to the lower plate surface of the movable plate and its position is adjustable.

[0010] Furthermore, the support plate has arc-shaped racks installed on opposite sides thereof, the arc-shaped racks and the arc-shaped support surface have the same arc and the position of the arc-shaped racks is adjustable.

[0011] Furthermore, the support plate is provided with linearly distributed adjustment holes, and the linearly distributed adjustment holes are in an arc direction and have the same arc as the arc-shaped support surface.

[0012] Furthermore, the structure in which the movable plate is movably mounted on the top of the two support plates includes:

[0013] A gear assembly, the gear assembly comprising two gears and a support shaft connected to the two gears, wherein the two gears are respectively meshed with two arc-shaped racks;

[0014] Two rollers are respectively fixed to the two ends of the movable plate through roller brackets, and the two rollers roll along the two arc-shaped supporting surfaces respectively.

[0015] Furthermore, a reducer is installed at one end of the movable plate, and the reducer is drivingly connected to the support shaft.

[0016] Furthermore, the plate body of the movable plate is provided with a long hole, a group of first circular holes distributed linearly, and second circular holes distributed in a matrix, and the diameter of the first circular hole is greater than the diameter of the second circular hole.

[0017] Furthermore, the fixing plate and the lower support assembly are arranged in an upper and lower structure, and one side of the fixing plate and the lower support assembly is connected by a rotating shaft to enable the lower support assembly to swing;

[0018] The fixing plate has two through holes and a limiting hole close to one of the through holes at two corners away from the rotating shaft;

[0019] The lower support assembly comprises:

[0020] A swing plate, a limiting structure for limiting the swing angle of the swing plate is arranged between the swing plate and the fixed plate, and the swing plate is equipped with two supporting blocks;

[0021] The buffer components are provided with two groups, and the two groups of buffer components are respectively fixedly installed on two supporting blocks, and the upper ends of the buffer components pass through the through holes and extend out of the through holes.

[0022] Furthermore, the limiting structure is a limiting column fixed on the swing plate, a screw is screwed on the end of the limiting column after passing through the limiting hole, the diameter of the limiting hole meets the movement of the limiting column, and the diameter of the screw is larger than the diameter of the limiting hole.

[0023] Furthermore, the buffer assembly includes:

[0024] A column locked to the support block;

[0025] A spring sleeved on the column;

[0026] A half sleeve is sleeved outside the spring and penetrated through the through hole. The half sleeve is formed by axially sectioning a single-opening sleeve. The semicircular bottom surface of the half sleeve abuts against the upper end of the spring.

[0027] Furthermore, the hot stamping wheel assembly comprises:

[0028] A roller bracket is fixed to the lower plate surface of the swing plate, a motor bracket is installed at one end of the swing plate, and a U-shaped frame is formed between the motor bracket and the roller bracket;

[0029] A hot stamping wheel is rotatably mounted on the U-shaped frame through a roller, and heating rods are distributed in a ring array on the U-shaped frame. The outer ring of the hot stamping wheel is a hot stamping rubber ring;

[0030] A power supply wheel is fixed to the motor bracket and supplies power to the heating rod through a contact power supply structure;

[0031] The power mechanism comprises:

[0032] A motor, fixed to the motor bracket;

[0033] A synchronous pulley is connected to the motor drive, and a driven gear of the synchronous pulley is fixed to the end of the roller.

[0034] Compared with the prior art, the beneficial effects of the present invention are:

[0035] 1. The hot stamping mechanism of the present invention can hot stamp the concave surface of the product and realize automatic hot stamping, thereby improving the efficiency of hot stamping on the concave surface and ensuring the quality of hot stamping on the concave surface.

[0036] 2. The present invention can adjust the hot stamping angle and can perform hot stamping on multiple areas of the concave surface of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 It is a structural diagram of the hot stamping part of the present invention.

[0038] Figure 2 It is a structural diagram of the arc motion frame of the present invention.

[0039] Figure 3 for Figure 2 Enlarged view of part A.

[0040] Markings in the accompanying drawings: fixed plate 1, limit column 2, half sleeve 3, spring 4, column 5, roller bracket 6, roller 7, hot stamping wheel 8, heating rod 9, power supply wheel 10, motor bracket 11, synchronous pulley 12, motor 14, rotating shaft 15, swing plate 16, support plate 17, arc rack 18, gear 19, support shaft 20, long hole 21, movable plate 22, second circular hole 24, first circular hole 25, adjustment hole 26, roller 27. DETAILED DESCRIPTION

[0041] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more explicit definition of the protection scope of the present invention. Obviously, the embodiments described in the present invention are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0042] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0043] Embodiment 1: The specific structure of the present invention is as follows:

[0044] Please refer to the attached Figure 1-3 A concave hot stamping mechanism of the present invention comprises an arc motion frame and a hot stamping part.

[0045] The arc motion frame comprises two support plates 17 arranged at a distance, and a movable plate 22 movably mounted on the top of the two support plates 17. The tops of the two support plates 17 are rolling surfaces, which are arc-shaped support surfaces. The two support plates 17 are also mounted on a lifting mechanism, which drives the two support plates 17 to rise and fall synchronously.

[0046] The supporting plate 17 has arc-shaped racks 18 mounted on opposite sides thereof. The arc-shaped racks 18 are in the same arc as the arc-shaped supporting surface and the position of the arc-shaped racks 18 is adjustable. Figure 2 As shown, the arc-shaped rack 18 is fixed by bolts, and its position is adjustable. The support plate 17 is provided with linearly distributed adjustment holes 26, which are in an arc direction and have the same arc as the arc-shaped support surface.

[0047] The structure in which the movable plate 22 is movably mounted on the top of the two support plates 17 includes:

[0048] A gear assembly, which includes two gears 19 and a support shaft 20 connected to the two gears 19. The two gears 19 are respectively meshed with two arc-shaped racks 18. The gear assembly is fixed to the movable plate 22 through an L-shaped bracket. The outer plate of the L-shaped bracket fits the outer side of the support plate 17 to limit the position and prevent the gear assembly from being separated from the arc-shaped rack 18. A reducer is also installed at one end of the movable plate 22. The reducer is connected to the support shaft 20 by driving. The hole end of the reduction mechanism can be connected to a hand crank, and the angle of the movable plate 22 can be manually adjusted by the hand crank, thereby adjusting the hot stamping angle.

[0049] Two rollers 27 are fixed to the two ends of the movable plate 22 through roller brackets, and the two rollers 27 roll along the two arc-shaped support surfaces. Through the action of the rollers 27 and the two gears 19, the movable plate 22 can stamp gold at multiple angles on the concave surface of the product.

[0050] Embodiment 2:

[0051] like Figure 1 As shown, the hot stamping part comprises a fixed plate 1, a lower supporting assembly rotatably connected to the fixed plate 1, a hot stamping wheel assembly rotatably mounted on the lower supporting assembly, and a power mechanism fixing the lower supporting assembly and drivingly connected to the hot stamping wheel assembly. The fixed plate 1 is fixed to the lower plate surface of the movable plate 22 and its position is adjustable.

[0052] The fixed plate 1 and the lower support assembly are arranged in an upper and lower structure, and one side of the fixed plate 1 and the lower support assembly is connected by a rotating shaft 15 to ensure that the lower support assembly can swing;

[0053] The fixing plate 1 has two through holes and a limiting hole close to one of the through holes at two corners away from the rotating shaft;

[0054] The lower support assembly comprises:

[0055] A swing plate 16, wherein a limiting structure for limiting the swing angle of the swing plate 16 is provided between the swing plate 16 and the fixed plate 1, and the swing plate 16 is provided with two supporting blocks;

[0056] The buffer components are provided with two groups, and the two groups of buffer components are respectively fixedly installed on two supporting blocks, and the upper ends of the buffer components pass through the through holes and extend out of the through holes.

[0057] The limiting structure is to fix the limiting column 2 on the swing plate 16, and a screw is screwed on the end of the limiting column 2 after passing through the limiting hole. The diameter of the limiting hole meets the movement of the limiting column 2, and the diameter of the screw is larger than the diameter of the limiting hole.

[0058] The buffer assembly comprises:

[0059] A column 5 locked to the support block;

[0060] A spring 4 sleeved on the column 5;

[0061] A half sleeve 3 is sleeved outside the spring 4 and penetrated through the through hole. The half sleeve 3 is formed by axially sectioning a single-opening sleeve. The semicircular bottom surface of the half sleeve 3 abuts against the upper end of the spring 4.

[0062] The hot stamping wheel assembly comprises:

[0063] The roller bracket 6 is fixed to the lower plate surface of the swing plate 16, and a motor bracket 11 is installed at one end of the swing plate 16, and a U-shaped frame is formed between the motor bracket 11 and the roller bracket 6;

[0064] A hot stamping wheel 8 is rotatably mounted on the U-shaped frame through a roller 7, and heating rods 9 are distributed in a ring array on the U-shaped frame. The outer ring of the hot stamping wheel 8 is a hot stamping rubber ring;

[0065] The power supply wheel 10 is fixed to the motor bracket 11 and supplies power to the heating rod 9 through a contact power supply structure;

[0066] The power mechanism comprises:

[0067] The motor 14 is fixed to the motor bracket 11;

[0068] The synchronous pulley 12 is driven by a motor 14 and connected to the synchronous pulley 12 . The driven gear of the synchronous pulley 12 is fixed to the end of the roller 7 .

[0069] The products with concave surfaces are sent to the hot stamping station by the manipulator, the lifting mechanism drives the two support plates 17 to descend, and the power mechanism drives the concave surface of the product of the hot stamping wheel assembly to roll, and the concave surface of the product is hot stamped. After the hot stamping is completed, the lifting mechanism drives the two support plates 17 to rise, and prepare for the hot stamping of the next group of products.

[0070] Embodiment 3:

[0071] The movable plate 22 is provided with a long hole 21, a group of linearly distributed first circular holes 25, and a matrix-distributed second circular holes 24, wherein the diameter of the first circular hole 25 is larger than the diameter of the second circular hole 24. The long hole 21 is used to avoid the two groups of buffer components, and the first circular hole 25 is used to avoid the limit column 2. The second circular hole 24 is used to install the fixed plate 1, and the position of the fixed plate 1 can be adjusted, thereby adjusting the position of the hot stamping wheel assembly and the hot stamping position.

[0072] In summary, the hot stamping mechanism of the present invention can hot stamp the concave surface of the product, and realize automatic hot stamping, improve the efficiency of hot stamping on the concave surface, and ensure the quality of hot stamping on the concave surface. The present invention can adjust the hot stamping angle and can perform hot stamping on multiple areas of the concave surface of the product.

[0073] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A concave hot stamping mechanism, characterized in that: include: The arc motion frame comprises two support plates (17) arranged at a distance from each other, and a movable plate (22) movably mounted on the top ends of the two support plates (17), wherein the top ends of the two support plates (17) are rolling surfaces, and the rolling surfaces are arc-shaped support surfaces; The hot stamping part comprises a fixed plate (1), a lower support assembly rotatably connected to the fixed plate (1), a hot stamping wheel assembly rotatably mounted on the lower support assembly, and a power mechanism that fixes the lower support assembly and is drivingly connected to the hot stamping wheel assembly, wherein the fixed plate (1) is fixed to the lower plate surface of the movable plate (22) and its position is adjustable.

2. A concave hot stamping mechanism according to claim 1, characterized in that: The supporting plate (17) has arc-shaped racks (18) installed on opposite sides thereof. The arc-shaped racks (18) are in the same arc as the arc-shaped supporting surface and the position of the arc-shaped racks (18) is adjustable.

3. A concave stamping mechanism according to claim 2, characterized in that: The support plate (17) is provided with linearly distributed adjustment holes (26), the linearly distributed adjustment holes (26) are in an arc direction and have the same arc as the arc-shaped support surface.

4. A concave stamping mechanism according to claim 2, characterized in that: The structure in which the movable plate (22) is movably mounted on the top of the two support plates (17) comprises: A gear assembly, comprising two gears (19) and a support shaft (20) connected to the two gears (19), wherein the two gears (19) are respectively meshed with two arc-shaped racks (18); The two rollers (27) are respectively fixed to the two ends of the movable plate (22) through roller brackets, and the two rollers (27) roll along the two arc-shaped supporting surfaces respectively.

5. A concave surface hot stamping mechanism according to claim 4, characterized in that: A reducer is also installed at one end of the movable plate (22), and the reducer is drivingly connected to the support shaft (20).

6. A concave stamping mechanism according to claim 1, characterized in that: The movable plate (22) is provided with a long hole (21), a group of linearly distributed first circular holes (25), and a matrix-distributed second circular holes (24), wherein the diameter of the first circular hole (25) is greater than the diameter of the second circular hole (24).

7. A concave stamping mechanism according to claim 1, characterized in that: The fixing plate (1) and the lower support assembly are arranged in an upper and lower structure, and one side of the fixing plate (1) and the lower support assembly is connected via a rotating shaft (15) to enable the lower support assembly to swing; The fixing plate (1) is provided with two through holes and a limiting hole close to one of the through holes at two corners away from the rotating shaft; The lower support assembly comprises: A swing plate (16), wherein a limiting structure for limiting the swing angle of the swing plate (16) is provided between the swing plate (16) and the fixed plate (1), and the swing plate (16) is provided with two supporting blocks; The buffer components are provided with two groups, and the two groups of buffer components are respectively fixedly installed on two supporting blocks, and the upper ends of the buffer components pass through the through holes and extend out of the through holes.

8. A concave surface hot stamping mechanism according to claim 7, characterized in that: The limiting structure is a limiting column (2) fixed on the swing plate (16), a screw is screwed on the end of the limiting column (2) after passing through the limiting hole, the diameter of the limiting hole meets the movement of the limiting column (2), and the diameter of the screw is larger than the diameter of the limiting hole.

9. A concave stamping mechanism according to claim 7, characterized in that: The buffer assembly comprises: A column (5) locked to the support block; A spring (4) sleeved on the column (5); A half sleeve (3) is sleeved outside the spring (4) and penetrated through the through hole. The half sleeve (3) is formed by axially sectioning a single-opening sleeve. The semicircular bottom surface of the half sleeve (3) abuts against the upper end of the spring (4).

10. A concave stamping mechanism according to claim 7, characterized in that: The hot stamping wheel assembly comprises: A roller bracket (6) is fixed to the lower plate surface of the swing plate (16); a motor bracket (11) is installed at one end of the swing plate (16); a U-shaped frame is formed between the motor bracket (11) and the roller bracket (6); A hot stamping wheel (8) is rotatably mounted on the U-shaped frame via a roller (7), and heating rods (9) are arranged in a circular array on the U-shaped frame. The outer ring of the hot stamping wheel (8) is a hot stamping rubber ring; A power supply wheel (10) is fixed to the motor bracket (11) and supplies power to the heating rod (9) through a contact power supply structure; The power mechanism comprises: A motor (14) is fixed to the motor bracket (11); A synchronous pulley (12) is connected to the synchronous pulley (12) by a motor (14), and a driven gear of the synchronous pulley (12) is fixed to the end of the roller (7).

Images