TWI610777B - Stamping mechanism - Google Patents

Abstract

The invention provides a stamping mechanism, including a frame, a driving member, a driving member driven by the driving member, and a stamping die seat driven by the driving member. The driving member includes a driving member driven by the driving member. A transmission shaft and an eccentric structure connected to the transmission shaft and eccentric with respect to the axis of the transmission shaft, the eccentric structure is provided with a transmission part associated with the stamping die seat, and the stamping die seat is sleeved opposite to the The guide member fixed on the frame can reciprocate along the guide direction of the guide member. The invention adopts a transmission method of an up-and-down connection structure, which directly changes the circular motion trajectory on the drive shaft into the stroke of the stamping die seat, removes the intermediate transition unit, greatly improves efficiency, and has more accurate stamping and less error, resulting in more accurate product quality, Stable; fine-adjustment components are used to adjust the stroke height of the stamping die to achieve precise and precise adjustment of the stroke height.

Description

Stamping mechanism

The invention relates to the technical field of punching processing, in particular to a punching mechanism for carrying a punched hole on a belt.

Pressed paper carrier tapes are used as transport and packaging carriers for miniaturized electronic components. They consist of a row of index holes and a row of unpierced load holes. The production technology also needs to be obtained with the rapid development of electronic information technology. Adjustment, control of production efficiency and production accuracy are becoming increasingly important. Existing perforated paper carrier tape production equipment adopts the transmission method of connecting rods. Power mechanisms and punching mechanisms are set on both sides of the connecting rods, and the running track of the eccentric wheel on the main shaft of the power mechanism is converted into the stroke of the stamping die through the connecting rods to realize the paper The punched holes of the belt eventually form a punched paper carrier tape, such as a packaging paper tape punching device disclosed in the Chinese Utility Model Patent No. CN202016770 on October 26, 2011, but these components will consume the power of the transmission system, and There is a gap in the mutual cooperation, which causes the stroke control device to have large deviations in stroke control, large mechanical jitter, and poor accuracy of the obtained product during the production process, which cannot complete high-efficiency and high-speed hole pressing operations. On the other hand, the double The head and back screws cannot accurately set the stroke height of the stamping die and are easy to loose. In particular, the punching depth of the paper tape load hole cannot be accurately controlled, resulting in unstable product quality.

In view of this, our inventors are dedicated to further research on the stamping mechanism, and have begun research and development and improvement, with a better design to solve the above problems, and the invention came out after continuous testing and modification.

That is, the object of the present invention is to provide a punching mechanism that solves the above-mentioned shortcomings existing in the existing punching device, eliminates the intermediate transition unit, has small control deviation, and greatly improves efficiency; and achieves precise and precise adjustment of the stroke height. Product quality is more stable.

In order to achieve the above object, the present invention adopts the following technical solution: a stamping mechanism includes a frame, a driving member, a driving member driven by the driving member, and a stamping die seat driven by the driving member to drive a stamping operation. The component includes a transmission shaft driven by the driving component and an eccentric structure connected to the transmission shaft and eccentric with respect to the axis of the transmission shaft. The eccentric structure is provided with a transmission portion associated with the stamping die seat. The stamping die seat is sleeved on a guide member fixed to the frame, and can reciprocate along a guide direction of the guide member.

This technical solution is directly connected to the stamping die seat through the transmission part, eliminating the need for a connecting rod transition, and has a small control deviation and a significant increase in efficiency. Guiding and stabilizing action, completely limiting the force in the up-down direction, avoiding errors caused by lateral vibration, and obtaining more stable product quality.

As the above-mentioned preferred technical solution, the transmission part is connected with a fine adjustment member for adjusting the punching height of the pressing mechanism; the transmission part acts on the stamping die base through the fine adjustment member. This technical solution finely adjusts the stamping height of the stamping die seat through fine-tuning components, resulting in more accurate product dimensions and more stable quality.

As the above-mentioned preferred technical solution, the fine-tuning component includes an action block acting on the stamping die base and an adjustment block that adjusts the punching height of the stamping die base driven by the action block; The connecting part connected to the adjusting block and the acting part fixedly connected to the stamping die seat; the adjusting block includes a driving part inserted into the connecting part of the acting block and used to drive the acting block to change the punching height, and is located at An adjustment part for performing an adjustment operation outside the connection part, the adjustment block is provided with a connection hole whose center is offset from the center of the adjustment block, and the action block and the adjustment block pass through the connection shaft to pass through the transmission block. A lateral hole on the part and the connection hole on the adjustment block are connected to the transmission part.

As the above-mentioned preferred technical solution, the connecting portion of the action block and the driving portion of the adjusting block are provided with a locking member for strengthening the connection strength between the two. After adjusting the punching height, use a locking member to lock the action block and the adjustment block. During punching, product errors will not be caused by the direct vibration of the action block and the adjustment block.

As the above-mentioned preferred technical solution, the locking member is a locking hole provided on the connecting portion and a locking screw adapted to the locking hole.

As the above-mentioned preferred technical solution, the adjusting blocks are two provided on the outside of the connecting portions on both sides of the action block, and the adjustment of the punching height is more precise. After adjustment, the stability is good, and the quality of the obtained product is more stable. .

As the above-mentioned preferred technical solution, the eccentric structure includes a transmission member fixedly disposed on the transmission shaft and a transmission jacket connected to the transmission member through a bearing, and the transmission portion is disposed on the transmission jacket. The transmission member is eccentric with respect to the shaft center of the transmission shaft.

This solution uses a transmission jacket to slide the connection with the transmission parts, greatly reducing the lateral force of the transmission part, and eliminating the connecting rod in the prior art, which not only significantly improves the stamping efficiency, but also reduces errors. More accurate.

As the above-mentioned preferred technical solution, the transmission part acts on the stamping die seat in a spaced contact manner.

As the above-mentioned preferred technical solution, the stamping die base includes an upper die base associated with the transmission portion and a lower die fixedly connected to the guide member or the frame and located below the upper die base. seat.

As the above-mentioned preferred technical solution, the guide member is a four guide post, which has better stability during punching.

Through the implementation of the above technical solution, it is obvious that the beneficial effects of the present invention are detailed one by one as follows: The present invention adopts an up-and-down connection structure transmission method to directly change the circular motion trajectory on the transmission shaft to the stroke of the stamping die seat, and eliminates the intermediate transition unit. The efficiency is greatly improved, and the stamping is more accurate and the error is small, so that the quality of the product is more accurate and stable; the setting of the fine-adjustment components is used to adjust the stroke height of the stamping die to achieve precise and minute adjustment of the stroke height.

Regarding the technical means of our inventors, several preferred embodiments are described in detail below in conjunction with the drawings, for the purpose of understanding and agreeing with the present invention.

The first embodiment of the present invention is as follows:

A stamping mechanism is provided with a frame 10 on which a driving motor is fixed as a driving member 11 to drive a driving member 12 of the stamping mechanism. As shown in FIGS. 1 to 3, the driving member 12 is fixed to the frame 10 by a bearing. The transmission shaft 121 and the eccentric structure 122 connected to the transmission shaft 121 are driven by a motor and driven by a transmission belt. The eccentric structure 122 includes a transmission member 1221 fixedly disposed on the transmission shaft 121 and a transmission member 1221 installed through a bearing. The outer casing 1222, the distance between the shaft center of the transmission member 1221 and the outer edge of the transmission member 1221 is unequal, that is, the eccentric structure is driven by the transmission shaft 121 to give downward force to the transmission jacket 1222 at intervals, and the lower part of the transmission jacket 1222 A transmission part 123 is provided. The circular motion trajectory on the transmission shaft 121 is directly changed to a vertical stamping die stroke by the transmission part 123 acting on the punching die seat 13 of the punching operation, and the intermediate transition unit is removed, and the efficiency is greatly improved. The transmission part 123 is provided with a through hole, and through the connecting shaft 21 there are two action blocks 22 located on both sides of the transmission part 121 and two adjustment blocks 23 outside the action block 22 as a fine adjustment for adjusting the punching height of the punching mechanism. Component 2; the action block 22 includes a connection part 221 on both sides of the transmission part 123 and an action part 222 fixedly connected to the stamping die seat 13. The adjustment block 23 is provided with an eccentric connection hole whose center is offset from the center of the adjustment block 23 for connection. For the connection of the shaft 21, one side of the adjusting block 23 is inserted into the connecting portion 221 of the action block 22 to constitute a driving portion 231 for changing the punching height of the actuating block 22, and the other side is located outside the connecting portion 221 for adjusting operation Adjusting part 232; when the aperture depth on the material needs to be adjusted, only the stroke height of the stamping die base 13 needs to be adjusted by manual adjustment of the adjusting block 23. The stamping die base 13 includes an upper die base 131 and a lower die base 132 which are arranged up and down. The upper die base 131 and the lower die base 132 are connected through a guide member 14 composed of four guide posts penetrating the die base, and the guide posts are fixed on the machine. On the shelf 10. The upper mold base 131 is sleeved on the guide post and moves back and forth along the guide direction of the guide post. The lower mold base 132 is fixed on the frame 10, and the guide post plays a guiding and stabilizing role. The material to be punched passes between the upper die base 131 and the lower die base 132 and is punched.

The second embodiment of the present invention is as follows:

A mounting base is fixed on a mounting base, and a mounting block is arranged on the mounting base. A driving motor is fixed on the mounting frame as the driving part 11 and drives the driving part 12 of the stamping mechanism. The driving part 12 is composed of a driving shaft 121 fixed on the mounting block through a bearing and an eccentric structure 122 connected to the driving shaft 121. The motor is driven by a transmission belt. The eccentric structure 122 includes a transmission member 1221 fixedly disposed on the transmission shaft 121, and a transmission portion 123 is provided at the lower portion. The transmission portion 123 has a transverse hole opened therethrough. The action blocks 22 on both sides of the part 121 and the two adjustment blocks 23 on the outside of the action block 22 serve as fine adjustment parts 2 for adjusting the punching height of the punching mechanism; the action block 22 includes connection parts 221 on both sides of the transmission part 123 and The active part 222 of the stamping die base 13 is fixedly connected, and the transmission part 123 of the eccentric structure 122 acts on the stamping die base 13 through the acting part 222 in a spaced contact manner; and the surfaces of the acting part 222 that are in contact with the stamping die base 13 are set as The curved surface, the acting portion 222 is a convex arc shape, and the stamping die seat 13 is a concave arc shape, which reduces the lateral impact force and the pressure hole error; the adjustment block 23 is provided with a center biased to adjust The eccentric connection hole in the center of the block 23 is used for the connection of the connecting shaft 21. One side of the adjustment block 23 is inserted into the connection portion 221 of the action block 22 to form a driving portion 231 for changing the punching height of the operation block 22, and the other side is located at the connection. The outside of the part 221 serves as an adjustment part 232 for performing adjustment operations. When the hole depth on the material needs to be adjusted, only a small adjustment of the stroke height of the stamping die seat 13 needs to be realized through the manual adjustment adjustment block 23. The stamping die base 13 includes an upper die base 131 and a lower die base 132 which are arranged above and below. The upper die base 131 and the lower die base 132 are connected through a guide member 14 composed of four guide posts penetrating the die base, and the guide posts are fixed on the machine. On the shelf 10. The upper mold base 131 is sleeved on the guide post and moves back and forth along the guide direction of the guide post. The lower mold base 132 is fixed on the frame 10, and the guide post plays a guiding and stabilizing role. The material to be punched passes between the upper die base 131 and the lower die base 132 and is punched.

The third embodiment of the present invention is as follows:

A mounting base is fixed on a mounting base, and a mounting block is arranged on the mounting base. A driving motor is fixed on the mounting frame as the driving part 11 and drives the driving part 12 of the stamping mechanism. The driving part 12 is a transmission shaft 121 fixed to the mounting block through a bearing and an eccentric structure 122 connected to the transmission shaft 121. The transmission shaft 121 is composed of The motor is driven by a transmission belt. The eccentric structure 122 includes a transmission member 1221 fixedly disposed on the transmission shaft 121, and a transmission portion 123 is provided at the lower portion. The surfaces of the transmission portion 123 and the stamping die seat 13 are all curved surfaces. The part 123 is an outwardly convex arc shape, and the punching mold base 13 is an inwardly curved shape, which reduces the lateral impact force and reduces the pressure hole error. The punching mold base 13 includes an upper mold base 131 and a lower mold base 132 arranged up and down. The upper mold base 131 and the lower mold base 132 are connected through a guide member 14 composed of four guide pillars penetrating the mold base, and the guide pillars are fixed on the frame 10. The upper mold base 131 is sleeved on the guide post and moves back and forth along the guide direction of the guide post. The lower mold base 132 is fixed on the frame 10, and the guide post plays a guiding and stabilizing role. The material to be punched passes between the upper die base 131 and the lower die base 132 and is punched.

In summary, the technical means disclosed in the present invention can effectively solve problems such as knowledge, and achieve the intended purpose and effect. It has not been published in publications before application, has not been publicly used, and has long-term progress. The invention referred to in the Patent Law is correct, and he filed an application in accordance with the law. He earnestly hopes that Jun will give him a detailed review and grant a patent for the invention.

However, the above are only a few preferred embodiments of the present invention. When the scope of implementation of the present invention cannot be limited in this way, that is, equivalent changes and modifications made according to the scope of the patent application and the content of the invention specification of the present invention are It should still fall within the scope of the invention patent.

〔this invention〕
10‧‧‧ Rack
11‧‧‧Driver
12‧‧‧ Transmission parts
121‧‧‧Drive shaft
122‧‧‧eccentric structure
1221‧‧‧ Transmission
1222‧‧‧Driver jacket
123‧‧‧Transmission Department
13‧‧‧Stamping base
131‧‧‧ Upper mold base
132‧‧‧ Lower mold base
14‧‧‧Guide parts
2‧‧‧fine-tuning parts
21‧‧‧ connecting shaft
22‧‧‧action block
221‧‧‧ Connection Department
222‧‧‧Action
23‧‧‧Adjustment block
231‧‧‧Driver
232‧‧‧ Regulation Department

FIG. 1 is a schematic structural diagram of a stamping mechanism in an embodiment of the present invention. FIG. 2 is a schematic structural diagram of a transmission component in an embodiment of the present invention. FIG. 3 is a schematic diagram of a fine-tuning component in an embodiment of the present invention.

10‧‧‧ Rack

11‧‧‧Driver

12‧‧‧ Transmission parts

121‧‧‧Drive shaft

122‧‧‧eccentric structure

123‧‧‧Transmission Department

13‧‧‧Stamping base

131‧‧‧ Upper mold base

132‧‧‧ Lower mold base

14‧‧‧Guide parts

2‧‧‧fine-tuning parts

21‧‧‧ connecting shaft

22‧‧‧action block

23‧‧‧Adjustment block

Claims (8)

A stamping mechanism includes: a frame, a driving member, a driving member driven by the driving member, and a stamping die seat driven by the driving member, wherein the driving member includes the driving member The driven transmission shaft and an eccentric structure connected to the transmission shaft relative to the shaft center of the transmission shaft, the eccentric structure is provided with a transmission part associated with the stamping die seat, and the stamping die seat is sleeved on the opposite frame The fixed guide member can reciprocate along the guide direction of the guide member; the transmission part is connected with a fine adjustment part for adjusting the punching height of the stamping mechanism; the transmission part acts on the fine adjustment part through the fine adjustment part The stamping die seat; the fine-tuning component includes an action block acting on the stamping die seat and an adjusting block that adjusts the punching height of the stamping die seat driven by the action block; A connection part connected to the adjustment block and an action part fixedly connected to the stamping die seat; the adjustment block includes a connection part inserted into the action block for driving the A driving part for changing the punching height by a block and an adjusting part for adjusting operation located outside the connecting part, the adjusting block is provided with a connection hole whose center is offset from the center of the adjusting block, the action block and the adjusting block The transmission shaft is connected to the transmission portion through a transverse hole provided on the transmission portion and the connection hole on the adjustment block through a connection shaft. A stamping mechanism according to item 1 of the scope of patent application, wherein the connecting portion of the action block and the driving portion of the adjusting block are provided with a locking member for strengthening the connection strength between the two. The stamping mechanism according to item 2 of the scope of the patent application, wherein the locking member is a locking hole provided on the connecting portion and a locking screw adapted to the locking hole. The stamping mechanism according to item 1 of the scope of patent application, wherein the adjusting blocks are two provided on the outer sides of the connecting portions on both sides of the action block. The stamping mechanism according to item 1 of the scope of patent application, wherein the eccentric structure includes a transmission member fixedly disposed on the transmission shaft and a transmission jacket connected to the transmission member through a bearing, and the transmission portion is provided On the transmission casing, the transmission member is eccentric with respect to the shaft center of the transmission shaft. The stamping mechanism according to item 1 of the scope of patent application, wherein the transmission part acts on the stamping die seat in a spaced contact manner. The stamping mechanism according to item 1 or 6 of the scope of application for a patent, wherein the stamping die seat includes an upper die seat associated with the transmission part and a parallel connection fixedly connected to the guide member or the frame. A lower die seat below the upper die seat. The stamping mechanism according to item 1 of the scope of patent application, wherein the guide member is a four guide post.