TWI665101B - Press assembly of steel stamping machine - Google Patents

Abstract

The invention relates to a pressure switch assembly of a steel stamping machine, which comprises a base, and a first pressure handle and a second pressure handle are arranged on the base. The first pressure handle is located above and adjacent to the second pressure handle. At the rear end of the second pressing handle, the second pressing handle has two spaced-apart pressure rollers. The pressure-pressing assembly can provide an imprint unit disposed on the base, and the two pressure rollers are located on the imprint unit. Above, at the time of imprinting, the configuration of the two pressing wheels can convert the pressing force applied to the imprinting unit into a two-point type pressing, which can further improve the uniformity of the pressing force distribution, thereby improving the definition and Imprint stability.

Description

Press assembly of steel stamping machine

The invention relates to a pressure switch assembly of a steel stamping machine, in particular to a pressure switch assembly capable of improving the uniformity of the down pressure distribution.

As shown in FIG. 10, the conventional steel stamping machine includes a pressing member 80 and an imprinting unit 90 installed on the pressing member 80. The pressing member 80 includes a base 81, a first pressing handle 82, and a A second pressing handle 83, a front end of the base 81 forms a locking slot 811, the first pressing handle 82 is pivotally disposed on the base 81, and the first pressing handle 82 includes a first handle portion 84, a first A pivot shaft 85 and a first pressing portion 86 are provided. The first handle portion 84 is provided on the base 81. The first pivot shaft 85 is provided on the base 81 and passes through the first handle portion 84. The abutting portion 86 is rotatably disposed on the first handle portion 84 and extends from the bottom surface of the first handle portion 84. The second pressing handle 83 is pivotally disposed on the base 81 and is located below the first pressing handle 82. The second pressing handle 83 includes a second handle portion 87, a second pivot shaft 88, and a second pressing portion 89. The second handle portion 87 is provided on the base 81, and the second pivot shaft 88 is provided. The second handle portion 87 is disposed on the base 81 and passes through the second handle portion 87. The second pivot shaft 88 is located in front of the first pivot shaft 85. The second pressing portion 89 is rotatably provided on the second handle portion 87. The second pressing portion 89 extends from the bottom surface of the second handle portion 87 and is located at the first pressing portion. Between the portion 86 and the second pivot shaft 88, the embossing unit 90 is disposed in the engaging groove 811 of the base 81 and abuts the second pressing portion 89.

As shown in FIG. 11, at the time of embossing, the object to be embossed 91 extends into the embossing unit 90, and the user can hold the first handle portion 84 of the first pressing handle 82 and press down to make the first The pressing portion 86 presses down the second handle portion 87 of the second pressing handle 83, and then the second pressing portion 89 presses the embossing unit 90, so that the embossing unit 90 sandwiches the object to be embossed 91 Wherein, the pressing member 80 forms a single-point pressing state with the second pressing portion 89, which causes the pressing force to be too concentrated and unevenly distributed, resulting in a reduction in imprinting clarity.

In addition, the pressure detent assembly 80 only uses the first pivot shaft 85 and the second pivot shaft 88 as the moment fulcrum, and the magnitude of the down pressure is converted according to the force distance, which cannot effectively achieve the purpose of saving energy, so the user needs to apply a larger down pressure. At the same time, the pressure caused by the user to receive the reaction force of the pressure control assembly 80 is greater, so the operation is not easy.

The main purpose of the present invention is to provide a pressing button assembly of a steel stamping machine, thereby improving the problem of uneven distribution of the pressing force caused by the single-point depression state provided by the existing pressing button assembly, and further improving the inability of the existing pressing button assembly to effectively save labor. The reaction force that the user receives is large, causing a problem that the operation is not easy.

In order to achieve the purpose of the previous disclosure, the pressure switch assembly of the steel stamping machine of the present invention includes: (1) a base, a front end of which is formed with a snap slot, the base has two spaced-apart plates, and the two plates are provided with symmetrical horizontal grooves, The horizontal groove is located above the engaging groove; a first pressing handle is pivotally arranged on the base, the first pressing handle includes a first handle portion and a first pivot shaft, and the first handle The first pivot is disposed on the base and passes through the first handle; a second pressure handle is provided on the base and is located below the first pressure handle, The second pressing handle includes a second handle, a second pivot, and a pressing unit. The second handle is provided on the base, and the second pivot is provided on the base and passes through the second handle. The pressing unit is disposed on the front side of the second handle portion and protrudes from the bottom surface of the second handle portion, and the pressing unit includes two spaced-apart pressure wheels.

As described above, for the pressure switch assembly of the steel stamping machine, the two plate bodies are provided with symmetrical chute grooves, the chute grooves are located above the snap grooves and are located at the rear side of the horizontal grooves. The second pressure handle includes A guide groove is formed on the rear side of the second handle portion and is located below the first pressure handle. The pressure switch assembly of the steel stamping machine has a conversion unit, and the conversion unit is pivotally disposed on the first handle. A pressing handle is connected to the second pressing handle. The conversion unit includes a conversion member, a guide rod, and a pressure rod. The conversion member is provided on the first handle portion. The guide rod is provided on the conversion member and passes through the conversion member. The first handle portion extends into the chute of the base, the pressing rod is disposed on the conversion member and extends into the guide groove of the second pressing handle, wherein the axis of the pressing rod and the shaft of the guiding rod The distance between the centers is greater than the distance between the axis of the guide rod and the axis of the first pivot.

According to the above description, the pressing assembly can provide a clamping slot provided on the base of the embossing unit. During the embossing, the embossed object extends into the embossing unit, and the user presses the first pressing handle. And the first pressing handle then presses the second pressing handle, and the second pressing handle presses the imprinting unit through the two pressing wheels to imprint the object to be imprinted. In the two pressing wheels, the pressing pressure located at the front is pressed. The nip wheel first presses the embossing unit. With the rotation of the second embossing lever, the nip wheel located at the rear then presses the embossing unit, so that the pressing force is converted from a single-point pressing to a two-point pressing. Improve the uniformity of the down pressure distribution, and improve the imprint stability and imprint effect.

In addition, when the user presses the first handle of the first pressing handle, the first handle moves along the horizontal groove of the base while the first handle pivots, and the guide rod moves along the base. The chute moves, and the pressing rod moves forward along the guide groove of the second pressing handle, the conversion member pivots and presses down the second handle, so that when the second handle is pivoted, the second pressing handle The pressing unit presses the embossing unit to emboss the object to be embossed, because the conversion member can pivot relative to the first embossing lever and cooperate with the configuration of the horizontal groove, the inclined groove and the guide groove, And the first pivot shaft, the second pivot shaft and the guide rod serve as moment fulcrum, which effectively converts the pressing force applied to the first shank into the pressing force applied to the imprint unit, and effectively strengthens the pressing force to achieve labor saving. The purpose is to reduce the reaction force received by the user, so that the pressing assembly is more convenient in operation.

1, FIG. 2, FIG. 6, and FIG. 7, there are several preferred embodiments of the pressure switch assembly of the steel stamping machine of the present invention, which include a base 10A, 10B, a first pressure handle 20A, 20B, and a Second pressure handles 30A, 30B.

As shown in FIG. 3, FIG. 4, FIG. 7 and FIG. 8, the front ends of the bases 10A and 10B form a snap-in groove 11. The bases 10A and 10B have two spaced-apart plate bodies 12 disposed on the two plate bodies 12. A symmetrical horizontal groove 13 is located above the engaging groove 11. In addition, the two plate bodies 12 each form a supporting portion 15 protruding outward, and the supporting portion 15 is located in the engaging groove 11. A convex portion 151 is formed on the top surface of the supporting portion 15 below.

As shown in FIG. 3 and FIG. 7, the first pressure handles 20A and 20B are pivoted on the bases 10A and 10B. The first pressure handles 20A and 20B include a first handle portion 21 and a first pivot shaft 22. The first handle portion 21 is provided on the bases 10A and 10B, and the first pivot shaft 22 is provided on the lateral groove 13 of the bases 10A and 10B and passes through the first handle portion 21.

As shown in FIG. 3, FIG. 4, FIG. 7 and FIG. 8, the second pressure handles 30A, 30B are disposed on the base 10A, 10B and are located below the first pressure handles 20A, 20B. The second pressure handles 30A, 30B It includes a second handle 31, a second pivot 33, and a pressing unit 34. The second handle 31 is provided on the bases 10A and 10B, and the second pivot 33 is provided on the bases 10A and 10B. And through the second handle portion 31, the pressing unit 34 is disposed on the front side of the second handle portion 31 and protrudes from the bottom surface of the second handle portion 31, and the pressing unit 34 includes two spaced-apart pressings. The wheels 35 are arranged in a spaced-apart relationship.

As shown in FIG. 2 to FIG. 4, a symmetrical inclined groove 14 is provided on the two plate bodies 12. The inclined groove 14 is located above the engaging groove 11 and located on the rear side of the horizontal groove 13. The second pressure handle 30A includes a guide groove 32 formed on the rear side of the second handle portion 31 and located below the first pressure handle 20A. The pressure switch assembly of the steel stamping machine has a conversion unit 40. The unit 40 is pivoted on the first pressure handle 20A and connected to the second pressure handle 30A. The conversion unit 40 includes a conversion member 41, a guide rod 42 and a pressure rod 43. The conversion member 41 is provided on the first A handle portion 21, the guide rod 42 is provided on the conversion member 41 and passes through the first handle portion 21 and extends into the chute 14 of the base 10A. The pressure rod 43 is provided on the conversion member 41 and extends into the first The guide groove 32 of the two pressure handles 30A, wherein the distance between the shaft center of the pressure rod 43 and the shaft center of the guide rod 42 is greater than the distance between the shaft center of the guide rod 42 and the shaft center of the first pivot shaft 22. In addition, the conversion member 41 includes two side plates 411 spaced apart from each other, and the second handle portion 31 extends between the two side plates 411.

As shown in FIG. 6 to FIG. 8, the two plate bodies 12 are provided with symmetrical inclined grooves 14. The inclined grooves 14 are located above the engaging grooves 11 and are located on the rear side of the horizontal grooves 13. 20B includes a guide rod 23 and a pressing rod 24. The guide rod 23 is provided on the first handle 21 and extends into the chute 14 of the base 10B. The guide rod 23 is located on the first pivot axis. Behind 22, the pressing rod 24 is disposed on the first handle portion 21 and is located on the rear side of the guide rod 23.

As shown in FIG. 3 and FIG. 7, the pressure switch assembly is provided with a scale 50A and 50B on the two plates 12 of the bases 10A and 10B. The two scales 50A and 50B are symmetrical, and each scale is 50A. 50B includes a base plate 51 with a scale, a slide groove 52 and a stopper 53. The base plate 51 is connected to the bases 10A and 10B. The slide groove 52 is formed on the base plate 51, and the stopper 53 is provided on the base plate 51. The sliding groove 52 extends into the sliding groove 52. The measuring scales 50A and 50B are adjacent to the engaging grooves 11 of the bases 10A and 10B.

As shown in FIG. 4 and FIG. 8, an embossing unit 60 is set in the latching groove 11 of the pressing component, and the embossing unit 60 includes an upper die 61 and a lower die 62, and the two convex portions 151 extend. The lower die 62 of the embossing unit 60 is inserted to position the embossing unit 60, and the top surfaces of the two supporting portions 15 abut against the lower die 62 to improve the contact area and stability, as shown in Figs. 5 and 9 As shown, during imprinting, the object to be imprinted 70 extends between the upper mold 61 and the lower mold 62.

As shown in the first preferred embodiment shown in FIG. 4, when the pressure detent assembly is not activated, the first pivot shaft 22 abuts the rear end of the lateral groove 13, and the guide rod 42 of the conversion unit 40 abuts. Connected to the upper end of the chute 14 and the pressing rod 43 of the conversion unit 40 abuts the rear end of the guide groove 32 of the second pressure handle 30A, the first pressure handle 20A lifts the second pressure handle 30A through the conversion unit 40 , The rear side of the second handle portion 31 is inclined upward, and one of the pressing wheels 35 of the pressing unit 34 abuts the upper mold 61 of the pressing unit 60.

As shown in FIG. 5, during imprinting, the object to be imprinted 70 extends between the upper mold 61 and the lower mold 62, and the user can apply a pressing force to the first handle portion of the first pressing handle 20A. 21, the first handle 21 is rotated with the first pivot shaft 22 as a fulcrum, and the first pivot shaft 22 is also moved toward the front end of the transverse groove 13 as the first handle shaft 21 is rotated. The pivot shaft 22 further abuts the front end of the horizontal groove 13. When the conversion member 41 rotates with the first handle portion 21, the guide rod 42 moves along the inclined groove 14 toward the lower end of the inclined groove 14 and cooperates. The pressing rod 43 moves along the guiding groove 32 of the second pressing handle 30A toward the front section of the guiding groove 32, so that the conversion member 41 pivots relative to the first handle portion 21, and at the same time, the conversion unit 40 is applied to the second The direction of the force of the handle 31 is changed from oblique to downward, and the pressing unit 34 of the second pressing handle 30A presses and applies a pressing force to the upper die 61 of the pressing unit 60 to perform embossing. During the embossing, the embossing wheel 35 located in the front of the two embossing wheels 35 first presses the embossing unit 60, and as the second pressing handle 30A rotates, the embossing wheel 35 located in the rear then presses the pressing Printing unit 60, let the down pressure be smoothly converted from single point down pressure to double point down pressure, and let the down pressure be evenly applied to the upper mold 61, and the two supporting portions 15 abut the lower mold 62 and increase the contact area and stability , Thereby improving imprinting clarity.

After the holding force is removed, the upper mold 61 is reset and pushes the second pressure handle 30A, the second pressure handle 30A pushes the pivot of the conversion unit 40, and then drives the first pressure handle 20A to reset, and the The pivotal force transfer distance of the conversion unit 40 is increased to reduce the reaction force applied to the first handle portion 21, and further reduce the force applied to the user by the first handle portion 21.

As shown in the second preferred embodiment shown in FIG. 8, when the pressing member is not actuated, the guide rod 23 abuts the upper end of the chute 14, and the pressing member in the pressing unit 34 located in the forward direction. The wheel 35 receives the top of the upper mold 61 and tilts the rear side of the second handle 31 upward.

As shown in FIG. 9, during imprinting, the object to be imprinted 70 extends between the upper mold 61 and the lower mold 62, and the user can apply a pressing force to the first handle portion of the first pressing handle 20B. 21, the first handle portion 21 rotates with the first pivot shaft 22 as a moment fulcrum, and the first pivot shaft 22 moves toward the front end of the transverse groove 13 while the first handle shaft 21 rotates. When the 24 rotates with the first handle 21, the guide rod 23 moves along the inclined groove 14 toward the lower end of the inclined groove 14, and the pressing rod 24 abuts and presses the second handle 31. Among the pressing wheels 35, the pressing wheel 35 located at the front first presses the embossing unit 60. With the rotation of the second pressing handle 30B, the pressing wheel 35 located at the rear then presses the embossing unit 60 to let down. The pressure is smoothly converted from single-point pressing to double-point pressing, and the pressing force is evenly applied to the upper die 61, and the two supporting portions 15 abut against the lower die 62 to increase the contact area and stability, thereby improving the pressing force. Printing clarity.

After the holding force is removed, the upper mold 61 is reset and pushes the second pressure handle 30B. The second pressure handle 30B then drives the first pressure handle 20B to reset, and the first handle 21 is rotated and reset at the same time Through the horizontal groove 13 and the inclined groove 14, the force can be reduced by the first handle 21 to the user, which can be moved slightly backward.

In summary, the two pressing abutment wheels 35 can smoothly change the down pressure from a single point down pressure to a two-point down pressure during imprinting, which can improve the uniformity of the down pressure distribution and avoid uneven pressure. When the printed pattern is unclear, the two pressing wheels 35 can improve the embossing stability and embossing effect.

In addition, the pressure lever assembly uses the first pivot shaft 22, the second pivot shaft 33, and the guide rod 42 as the moment fulcrum, and the conversion unit 40 can be pivoted relative to the first pressure handle 20A. The guide groove 32 of the pressing handle 30A moves, and the pivoting of the conversion unit 40 can adjust the direction of the force applied by the pressing rod 43 to the second handle portion 31 to effectively convert the pressing force applied to the first handle portion 21 In order to apply the downforce applied to the imprint unit 60, the conversion unit 40 adjusts the force distance to increase the downforce and achieve the purpose of saving labor. Moreover, the conversion unit 40 can adjust the force distance to reduce the reaction force received by the user, effectively improving the The ease of operation of the pressure switch assembly.

10A, 10B base 11 snap-in groove 12 plate body 13 horizontal groove 14 inclined groove 15 supporting portion 151 convex portion 20A, 20B first pressure handle 21 first handle portion 22 first pivot shaft 23 guide rod 24 pressure rod 30A, 30B Second pressing handle 31 Second handle 32 Guide groove 33 Second pivot 34 Pressing unit 35 Pressing wheel 40 Conversion unit 41 Conversion piece 411 Side plate 42 Guide rod 43 Pressing rod 50A, 50B Measuring scale 51 Base plate 52 Chute 53 Stopper 60 Imprinting unit 61 Upper mold 62 Lower mold 70 To-be-imprinted 80 Pressing assembly 81 Base 811 Snap-in slot 82 First pressing handle 83 Second pressing handle 84 First handle 85 First pivot 86 First pressing portion 87 Second handle 88 Second pivot 89 Second pressing portion 90 Imprint unit 91 To be imprinted Thing

FIG. 1 is a schematic three-dimensional assembly diagram of a first preferred embodiment of a pressing member of a steel stamping machine and an embossing unit according to the present invention. FIG. 2 is a three-dimensional exploded view of a first preferred embodiment of a stamping assembly of a steel stamping machine and a stamping unit according to the present invention. FIG. 3 is another three-dimensional exploded view of the first preferred embodiment of the stamping component of the steel stamping machine and the stamping unit of the present invention. FIG. 4 is a schematic diagram of an unpressed operation of the first preferred embodiment of the pressing button assembly of the steel stamping machine and the embossing unit of the present invention. FIG. 5 is a schematic diagram showing the operation of pressing down the pressing switch assembly of the steel stamping machine according to the first preferred embodiment of the stamping unit according to the present invention. FIG. 6 is a schematic exploded perspective view of a second preferred embodiment of the stamping assembly of the steel stamping machine and the stamping unit of the present invention. FIG. 7 is another perspective exploded view of the second preferred embodiment of the stamping assembly of the steel stamping machine and the stamping unit of the present invention. FIG. 8 is a schematic diagram of an unpressed operation of a second preferred embodiment of a pressing member of a steel stamping machine and an embossing unit according to the present invention. FIG. 9 is a schematic diagram of the operation of pressing down the pressing button assembly of the steel stamping machine according to the second preferred embodiment of the stamping unit of the present invention. FIG. 10 is a schematic side plan view of a stamping assembly of an existing stamping machine and a stamping unit. FIG. 11 is a schematic diagram of the operation of pressing the pressing component of the existing steel stamping machine with the pressing of the pressing unit.

Claims (9)

A pressure switch assembly for a steel stamping machine includes: a base having a snap-in groove formed at the front end thereof, the base having two spaced-apart plates, and symmetrical transverse grooves arranged on the two plates, the transverse grooves being located at Above the latching groove; a first pressing handle is pivoted on the base, the first pressing handle includes a first handle portion and a first pivot shaft, and the first handle portion is provided on the base Seat, the first pivot is provided in the lateral groove of the base and passes through the first handle; a second pressure handle is set on the base and is located below the first pressure handle, the second pressure handle The second handle includes a second handle, a second pivot, and a pressing unit. The second handle is provided on the base. The second pivot is provided on the base and passes through the second handle. The unit is disposed on the front side of the second handle portion and protrudes from the bottom surface of the second handle portion, and the pressing unit includes two spaced-apart pressing wheels. The pressure switch assembly of the steel stamping machine according to claim 1, wherein the two plates are provided with a symmetrical chute, the chute is located above the snap-in groove and at the rear side of the horizontal groove, and The second pressure handle includes a guide groove formed on a rear side of the second handle portion and below the first pressure handle. The pressure switch assembly of the steel stamping machine has a conversion unit. Pivoted on the first pressure handle and connected to the second pressure handle, the conversion unit includes a conversion piece, a guide rod and a pressure rod, the conversion piece is provided on the first handle portion, and the guide rod is provided on the The conversion piece passes through the first handle and extends into the chute of the base, and the pressing rod is disposed on the conversion piece and extends into the guide groove of the second pressing handle, wherein the axis of the pressure rod and the The distance between the axis of the guide rod and the axis of the guide rod is greater than the distance between the axis of the guide rod and the axis of the first pivot. The pressure switch assembly of the steel printing machine according to claim 2, wherein the conversion member includes two spaced-apart side plates, and the second handle portion extends between the two side plates. The pressure switch assembly of the steel stamping machine according to claim 1, wherein the two plates are provided with a symmetrical chute, the chute is located above the snap-in groove and at the rear side of the horizontal groove, and The first pressure handle includes a guide rod and a pressure rod, the guide rod is disposed on the first handle portion and extends into the chute of the base, and the guide rod is located behind the first pivot shaft, and The pressing rod is disposed on the first handle portion and is located on a rear side of the guide rod. As described in any one of claims 1 to 4, the pressure switch assembly of the steel stamping machine, wherein the pressure switch assembly is provided with a measuring rule on the two plates of the base, and the two measuring measures are symmetrical. The pressure switch assembly of the steel printing machine according to claim 5, wherein each measuring rule includes a base plate with a scale, a chute and a stopper, the base plate is connected to the base, and the chute is formed on the base plate, The stopper is disposed on the base plate and extends into the chute. As described in any one of the claims 1 to 4, the pressure-controlling assembly of the steel stamping machine, wherein the two plates form a support portion protruding outward, the support portion is located below the latching slot, and the support A convex portion is formed on the top surface of the portion. The pressure switch assembly of the steel stamping machine according to claim 5, wherein the two plates form a support portion protruding outward, the support portion is located below the latching groove, and a top surface of the support portion forms a Convex. The pressure switch assembly of the steel stamping machine according to claim 6, wherein the two plates form a support portion protruding outward, the support portion is located below the latching groove, and a top surface of the support portion forms a Convex.