阅读说明：本技术 一种多工件增压打钢印装置 (Multi-workpiece pressurizing steel seal printing device ) 是由 杨林 彭进宇 于 2020-06-29 设计创作，主要内容包括：本发明涉及一种多工件增压打钢印装置,包括钢印冲压单元与零件支撑单元,钢印冲压单元包括气液增压缸、平衡缸及压块,平衡缸设置若干个,均连接在同一个气液增压缸的伸出端,压块个数与平衡缸相同,压块的上端位于平衡缸内,下端伸出平衡缸,平衡缸内填充有液压油,所有平衡缸之间均通过管路连接,气液增压缸能够带动平衡缸及压块一起上下移动实现对工件冲压钢印,液压油在不同平衡缸之间的流动能够使得每个压块受到的压力保持均衡；零件支撑单元用于支撑待打钢印的工件。与现有技术相比,本发明利用液压油在不同平衡缸之间的流动能够使得每个压块受到的压力保持均衡,解决了由于毛胚工件尺寸高低原因造成同时打钢印不清晰的问题。(The invention relates to a multi-workpiece pressurizing steel seal stamping device, which comprises a steel seal stamping unit and a part supporting unit, wherein the steel seal stamping unit comprises a plurality of gas-liquid pressure cylinders, balance cylinders and press blocks, the balance cylinders are connected with the extending ends of the same gas-liquid pressure cylinder, the number of the press blocks is the same as that of the balance cylinders, the upper ends of the press blocks are positioned in the balance cylinders, the lower ends of the press blocks extend out of the balance cylinders, the balance cylinders are filled with hydraulic oil, all the balance cylinders are connected through pipelines, the gas-liquid pressure cylinders can drive the balance cylinders and the press blocks to move up and down together to stamp steel seals on workpieces, and the pressure on each press block can be kept balanced by the flow of the hydraulic oil among; the part supporting unit is used for supporting a workpiece to be stamped. Compared with the prior art, the invention utilizes the flow of hydraulic oil among different balance cylinders to keep the pressure on each pressing block balanced, thereby solving the problem of unclear steel seal due to the height of blank workpieces.)

1. A multi-workpiece pressurizing steel seal printing device is characterized by comprising a steel seal stamping unit (1) and a part supporting unit (2),

the steel seal stamping unit (1) comprises a gas-liquid pressure cylinder (11), a balance cylinder (12) and a pressing block (13), a plurality of balance cylinders (12) are arranged and are all connected with the extending end of the same gas-liquid pressure cylinder (11), the number of the pressing blocks (13) is the same as that of the balance cylinders (12), the upper ends of the pressing blocks (13) are positioned in the balance cylinders (12), the lower ends of the pressing blocks extend out of the balance cylinders (12), the balance cylinders (12) are filled with hydraulic oil (14), all the balance cylinders (12) are connected through pipelines, so that the hydraulic oil (14) in different balancing cylinders (12) can flow between the different balancing cylinders (12), the gas-liquid pressure cylinder (11) can drive the balance cylinder (12) and the pressing block (13) to move up and down together to realize stamping steel seal on the workpiece, the flow of the hydraulic oil (14) between different balancing cylinders (12) can keep the pressure to which each pressure block (13) is subjected balanced;

the part supporting unit (2) is used for supporting a workpiece to be stamped.

2. A multi-workpiece pressurized stamping device according to claim 1, wherein the lower end of the pressing block (13) is provided with a steel stamp (15), and the steel stamp (15) is used for directly contacting the workpiece and stamping the steel stamp on the surface of the workpiece.

3. A multi-workpiece pressurized stamping device according to claim 2, wherein the steel stamp (15) is embedded and connected to the pressing block (13) and can be detached from the pressing block (13).

4. A multiple-workpiece pressurized imprint apparatus according to claim 1, wherein the pipes connecting different balancing cylinders (12) are provided at the upper ends of the balancing cylinders (12).

5. The multi-workpiece pressurizing steel stamping device according to claim 1, wherein the pressing block (13) is of an I-shaped structure, and the pressing block (13) and the balance cylinder (12) are connected in a manner that hydraulic oil (14) in the balance cylinder (12) does not leak from the connection position of the pressing block (13) and the balance cylinder (12).

6. The multi-workpiece pressurized steel stamping device according to claim 1, wherein two balancing cylinders (12) and two pressing blocks (13) are provided, so that steel stamping of two workpieces can be realized.

7. The multi-workpiece pressurized steel stamping device according to claim 1, wherein the part supporting unit (2) comprises a supporting platform (21), and a workpiece clamping groove (22) for placing a workpiece is formed in the supporting platform (21).

8. The multi-workpiece pressurized steel stamping device according to claim 7, wherein the number of the workpiece clamping grooves (22) is the same as that of the balancing cylinders (12).

9. The multi-workpiece pressurized imprint lithography apparatus according to claim 7, wherein the bottoms of all of the workpiece pockets (22) are at the same level.

10. The multi-workpiece pressurized steel stamping device according to claim 7, wherein sliding grooves (24) are formed in two side faces of the supporting platform (21), a sliding rod (23) is arranged on the supporting platform (21), two ends of the sliding rod (23) are slidably connected in the two sliding grooves (24), the sliding rod (23) can slide in the sliding grooves (24), and the sliding of the sliding rod (23) can move a workpiece placed on the supporting platform (21) into the workpiece clamping groove (22) and can also move the workpiece in the workpiece clamping groove (22).

Technical Field

The invention relates to an embossing device, in particular to a multi-workpiece pressurizing embossing device.

Background

At present, the production process of door hinge products in the automobile industry tends to be mature, and most of the existing part steel seal printing devices adopt single workpieces for processing.

In order to improve the production efficiency of parts, a single pressure cylinder can process a plurality of parts at the same time.

For example, chinese patent CN210821583U discloses an easy-to-maintain high-precision steel stamping machine, which comprises a machine tool, the fixed frame that is provided with in upper end of lathe, the fixed telescopic hydraulic cylinder that is provided with in upper end of fixed frame, telescopic hydraulic cylinder's bottom side is provided with the die head fixed disk, the fixed steel seal die head that is provided with in bottom surface interval of die head fixed disk, the upper end of lathe is located the fixed fixing base that is provided with under the die head fixed disk, the upper end of fixing base is provided with fixed chassis, the fixed nut reference column that is provided with in upper end surface position department interval on fixed chassis, the diameter size of nut reference column and the screw diameter size looks adaptation of nut, the activity of nut reference column runs. The device can print the embossed seal to a plurality of nuts simultaneously and handle.

However, for some blank pieces to be embossed, because the blank pieces to be embossed have relatively large deviations in the external shapes, for example, some blank pieces are thicker and some blank pieces are thinner, so that each part has relatively large deviations in the external shapes, if the similar device in the above patent is used for embossing a plurality of parts at the same time, the stress of different part products is uneven, and the steel marks of some part products are not clear.

Chinese patent CN207140586U discloses a hydraulic power-assisted steel seal machine, this hydraulic power-assisted steel seal machine includes the frame, go up seal and the lower seal corresponding with last seal, should go up the seal and be connected with the hydraulic circuit mechanism that drives its removal, hydraulic circuit mechanism includes the gear oil pump, the entry end intercommunication manual press hydraulic cylinder of gear oil pump, the exit end intercommunication seal hydraulic cylinder, it sets up the tip at seal hydraulic cylinder's piston rod to go up the seal, the gear oil pump is connected with drives its pivoted motor, the piston rod end connection that the manual press hydraulic cylinder has the connecting rod frame that drives its and reciprocate. The hydraulic servo steel seal machine has the advantages that manual and hydraulic driving are combined to drive the upper seal to move up and down, so that the steel seal stamping efficiency of the hydraulic servo steel seal machine is high, the working strength of workers is reduced, the manufacturing and maintenance cost of a hydraulic system is low, the noise in working is low, the hydraulic system can generate enough thrust to the upper seal, the steel seal quality is stable, and the stamped steel seal is clear and visible. The patent is mainly used for manufacturing steel seals for related certificates, and can not solve the problem that steel seals of some part products are not clear due to the fact that the shapes of blank parts to be stamped have large deviations and the stress of different part products is uneven.

Therefore, a technical scheme for solving the problem of inconsistent sizes of blank parts in the process of stamping the steel seal is lacked at present.

Disclosure of Invention

The present invention is directed to overcoming the above-mentioned drawbacks of the prior art and providing a multi-workpiece pressurizing steel stamping device.

The device can solve the problem that the steel seal of some part products is not clear due to the fact that the appearance of blank parts to be stamped has larger deviation and the stress of different part products is uneven.

The purpose of the invention can be realized by the following technical scheme:

the invention provides a multi-workpiece pressurizing steel seal printing device, which comprises a steel seal stamping unit and a part supporting unit,

the steel seal stamping unit comprises a plurality of gas-liquid pressure cylinders, balance cylinders and press blocks, wherein the balance cylinders are connected with the extending ends of the same gas-liquid pressure cylinder, the number of the press blocks is the same as that of the balance cylinders, the upper ends of the press blocks are positioned in the balance cylinders, the lower ends of the press blocks extend out of the balance cylinders, the balance cylinders are filled with hydraulic oil, all the balance cylinders are connected through pipelines, so that the hydraulic oil in different balance cylinders can flow among different balance cylinders, the gas-liquid pressure cylinders can drive the balance cylinders and the press blocks to move up and down together to stamp steel seals on workpieces, and the pressure on each press block can be kept balanced through the flow of the hydraulic oil among different balance cylinders;

the part supporting unit is used for supporting a workpiece to be stamped.

In one embodiment of the invention, the lower end of the pressing block is provided with a steel stamp which is used for directly contacting the workpiece and stamping the steel stamp on the surface of the workpiece.

In one embodiment of the invention, the steel seal die is embedded and connected on the pressing block and can be detached on the pressing block. The replacement of the realization steel seal mould that the mode of establishing the connection can be convenient through inlaying is convenient for maintain on the one hand, and on the other hand can also use same equipment only to change the printing demand that different steel seal moulds just can realize different steel seal patterns.

In one embodiment of the invention, the lines connecting different balancing cylinders are each arranged at the upper end of the balancing cylinder.

In one embodiment of the invention, the pressing block is in an I-shaped structure, and the connection mode between the pressing block and the balance cylinder can meet the requirement that hydraulic oil in the balance cylinder does not leak from the connection position of the pressing block and the balance cylinder.

In one embodiment of the invention, two balance cylinders and two pressing blocks are arranged, so that the steel seal of two workpieces can be realized.

In an embodiment of the present invention, the part supporting unit includes a supporting platform, and a workpiece slot for placing a workpiece is formed in the supporting platform.

In one embodiment of the invention, the number of the workpiece clamping grooves is the same as that of the balancing cylinders.

In one embodiment of the invention, the bottoms of all of the workpiece pockets are at the same level.

In an embodiment of the invention, sliding grooves are formed in two side surfaces of the supporting platform, a sliding rod is arranged on the supporting platform, two ends of the sliding rod are connected in the two sliding grooves in a sliding manner, the sliding rod can slide in the sliding grooves, and the sliding of the sliding rod can quickly move a workpiece placed on the supporting platform into the workpiece clamping groove and also can move the workpiece out of the workpiece clamping groove. Because the shape of work piece draw-in groove and the work piece adaptation of waiting to beat the embossed seal, so set up the litter and can make things convenient for quick putting the piece to the work piece, the process of moving the litter from supporting platform's one end to supporting platform's the other end can be with the work piece removal in the work piece draw-in groove, if the position has the inaccuracy slightly, can manually adjust, the same reason, after the printing is accomplished, the process that utilizes the litter to move to supporting platform's the other end from supporting platform's one end can shift out the work piece in the work piece draw-in groove wholly, and can set up the work piece case that holds the work piece in supporting platform's one end below, and convenient operation.

The working principle of the pressurizing steel seal printing device is explained by setting two balance cylinders and two press blocks to realize the condition of steel seal printing of two workpieces: for convenience of presentation, the two balance cylinders are respectively called balance cylinder A and balance cylinder B,

the steel seal is printed on two products simultaneously, the pressurizing cylinder presses downwards when the pressurizing cylinder prints the steel seal, when a pressing block of the balance cylinder contacts a workpiece, pressure can be generated on hydraulic pressure, if the pressure on the pressing block of the balance cylinder A is larger than the pressure on the pressing block of the balance cylinder B, hydraulic oil on the upper end of the balance cylinder A can flow to the upper end of the balance cylinder B, the balance cylinder B is pressed downwards, and finally the pressures on the two balance cylinders are kept balanced.

Compared with the prior art, the invention has the following advantages and beneficial effects:

1. the device can realize the steel seal printing operation of a workpiece at the same time, the production efficiency is greatly improved, and the production efficiency can be effectively improved by 100 percent only under the condition of arranging two balance cylinders.

2. The pressure of each pressing block can be kept balanced by utilizing the flowing of the hydraulic oil among different balance cylinders, and the problem that the steel seal is not clear due to the size of a blank workpiece is solved.

Drawings

FIG. 1 is a schematic structural view of a multi-workpiece pressurizing and stamping device in embodiment 1;

FIG. 2 is a schematic plan view of a part supporting unit of the multi-workpiece pressurizing steel stamping device in embodiment 1.

Detailed Description

The invention is described in detail below with reference to the figures and specific embodiments.