TW201627120A - Pressing mechanism - Google Patents

Abstract

The invention discloses a pressing mechanism. The pressing mechanism comprises a rack, a drive part, a transmission part driven by the drive part, and a pressing die base which is driven to conduct pressing work by the drive part; the drive part comprises a transmission shaft driven by the drive part and an eccentric structure which is connected with the transmission shaft and biased correspondingly to a shaft center of the transmission shaft, the eccentric structure is provided with a transmission part related to the pressing die base, a guiding part fixed correspondingly to the rack is sleeved with the pressing die base, and the pressing die base can conduct a reciprocating motion in the guiding direction of the guiding part. The pressing mechanism utilizes a transmission mode of an up-and-down connecting structure, a track of a circular motion of the transmission shaft is changed into a route of the pressing die base directly, a transition unit in the middle is removed, the efficiency is highly improved, the pressing is more accurate, the error is small, and the quality of an obtained product is more accurate and stable; by the adoption of regulating the height of a stroke of the pressing die base through arranging a fine adjustment part, and the accurate fine regulation of the height of the stroke is achieved.

Description

Stamping mechanism

The invention relates to the technical field of punching processing, in particular to a stamping mechanism for carrying a pressure hole.

Pressed, the paper carrier tape is used as a transportation and packaging carrier for miniaturized electronic components. It consists of a row of index holes and a row of unpierced carrier holes. The production technology needs to be improved with the rapid development of electronic information technology. Adjustment, control of production efficiency and production accuracy are becoming more and more important. The existing perforated paper carrier production equipment adopts a connecting rod transmission mode, and a power mechanism and a punching mechanism are respectively arranged on both sides of the connecting rod, and the running track of the eccentric wheel on the main shaft of the power mechanism is converted into a stamping die stroke by the connecting rod to realize the paper. The punched hole of the belt finally forms a punched paper carrier tape, such as a wrapping paper tape punching device disclosed in the Chinese Utility Model Patent No. CN202016770 on October 26, 2011, but these components will lose power of the transmission system, and There is a gap between the mutual cooperation, which results in a large deviation of the stroke control in the production process, large mechanical jitter, poor accuracy of the product, and high-efficiency, high-speed pressing operation; on the other hand, the double set on the connecting rod The head and reverse screw cannot accurately set the stroke height of the stamping die and is easy to loose. In particular, the punching depth of the paper carrier hole cannot be accurately controlled, resulting in unstable product quality.

In view of this, our inventors have devote themselves to further research on the stamping mechanism, and have initiated research and development and improvement, with a better design to solve the above problems, and the invention has been continuously tested and modified.

Therefore, the object of the present invention is to provide a punching mechanism that solves the above-mentioned deficiencies existing in the existing punching device, and eliminates the intermediate transition unit, has small control deviation and greatly improved efficiency; and achieves precise micro-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 punching mechanism including a frame, a driving member, a transmission member driven by the driving member, and a stamping die holder driven by the transmission member, the transmission 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 shaft of the transmission shaft, the eccentric structure being provided with a transmission portion associated with the stamping die holder, The stamping die holder is sleeved on the guiding member fixed to the frame and reciprocable along the guiding direction of the guiding member.

The technical solution is directly associated with the stamping die seat through the transmission portion, eliminating the transition of the connecting rod, the control deviation is small, and the efficiency is greatly improved; after the circumferential track of the driving component is converted into the stamping die stroke, the guiding component is used to punch the direction Guided and stabilized, the force is completely limited to the up and down direction, avoiding the error caused by the lateral vibration, and the obtained product quality is more stable.

As a preferred technical solution, the transmission portion is connected with a fine adjustment member for adjusting the punching height of the punching mechanism; and the transmission portion acts on the stamping die holder through the fine adjustment member. The technical solution fine-tunes the stamping height of the stamping die holder through the fine-tuning component, and the obtained product has more precise dimensions and more stable quality.

As a preferred technical solution, the fine adjustment component includes an action block acting on the stamping die holder and an adjustment block for adjusting a punching height of the stamping die holder by the action block; the action block includes a connecting portion connected to the adjusting block and an acting portion fixedly connected to the stamping die holder; the adjusting block includes a driving portion inserted in the connecting portion of the active block for driving the working block to change a punching height and located An adjusting portion for performing an adjusting operation outside the connecting portion, the adjusting block is provided with a connecting hole centered at a center of the adjusting block, and the acting block and the adjusting block are disposed through the connecting shaft through the connecting shaft A lateral hole on the portion and the connecting hole on the adjustment block are coupled to the transmission portion.

According to the above preferred technical solution, the connecting portion of the acting block and the driving portion of the adjusting block are provided with a locking member for reinforcing the connection strength between the two. After adjusting the stamping height, the locking block and the adjusting block are locked by the locking member, and the product error is not caused by the direct shaking of the acting block and the adjusting block during the punching.

As a 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 a preferred technical solution, the adjusting block is disposed on the outer side of the connecting portion of the working block, and the adjustment of the punching height is more precise. After the adjustment, the stability is good, and the obtained product quality is more stable. .

As a 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 axis of the drive shaft.

The solution is slidably connected with the transmission member by means of the transmission jacket, the force of the transmission portion in the lateral direction is greatly reduced, and the connecting rod in the prior art is eliminated, which not only significantly improves the punching efficiency, but also reduces the error, the product The size is more precise.

As a preferred technical solution, the transmission portion is in contact with the stamping die holder.

As a preferred technical solution, the stamping die holder includes an upper die holder associated with the transmission portion and a lower die fixedly coupled to the guiding member or the frame and located below the upper die holder seat.

As a preferred technical solution, the guiding member is a four-column column, and the stability is better when punching.

Through the implementation of the above technical solution, it is apparent that the beneficial effects of the present invention are described in detail as follows: The present invention adopts an upper and lower connecting structure transmission mode, and directly changes the circular motion track on the transmission shaft into a stamping die holder stroke, and removes the intermediate transition unit. The efficiency is greatly improved, and the punching is more precise, the error is small, and the quality of the product is more accurate and stable. The fine adjustment part is used to adjust the stroke height of the stamping die, and the precise micro-adjustment of the stroke height is realized.

The invention will be described in detail below with reference to the drawings.

The first embodiment of the present invention is as follows:

A punching mechanism is provided with a frame 10 on which a drive motor is fixed as a driving member 11 to drive a transmission member 12 of the punching mechanism. As shown in FIGS. 1 to 3, the transmission member 12 is fixed to the frame 10 by a bearing. The upper transmission shaft 121 and the eccentric structure 122 connected to the transmission shaft 121 are driven by a motor driven by a transmission belt. The eccentric structure 122 includes a transmission member 1221 fixedly disposed on the transmission shaft 121 and mounted on the transmission member 1221 through a bearing. The outer casing of the outer casing 1222, the distance from the axial center of the transmission member 1221 to the outer edge of the transmission member 1221, that is, the eccentric structure, is driven by the transmission shaft 121, and the downward force of the transmission casing 1222 is given to the lower portion of the transmission casing 1222. The transmission portion 123 is provided, and the driving portion 123 acts on the punching die holder 13 for punching operation, and the circular motion trajectory on the transmission shaft 121 is directly changed into a vertical stamping die stroke, and the intermediate transition unit is removed, and the efficiency is greatly improved. There is a through hole in the transmission portion 123, and the action block 22 on both sides of the transmission portion 121 and the two adjustment blocks 23 on the outer side of the action block 22 are inserted through the connecting shaft 21 as fine adjustment for adjusting the punching height of the punching mechanism. The action block 22 includes a connecting portion 221 on both sides of the transmission portion 123 and an action portion 222 fixedly connected to the stamping die holder 13. The adjusting block 23 is provided with an eccentric connecting hole centered on the center of the adjusting block 23 for connection. The shaft 21 is connected, and the adjustment block 23 is inserted into the connecting portion 221 of the action block 22, and the driving portion 231 for changing the punching height for the belt operating block 22 is formed, and the other side is located outside the connecting portion 221 for adjustment operation. The adjusting portion 232; when it is necessary to adjust the depth of the hole on the material, it is only necessary to manually adjust the adjusting block 23 to achieve a slight adjustment of the stroke height of the stamping die holder 13. The stamping die holder 13 includes an upper die holder 131 and a lower die holder 132 disposed above and below. The upper die holder 131 and the lower die holder 132 are connected by a guide member 14 formed by four guide posts penetrating the die holder, and the guide post is fixed on the machine. On the shelf 10. The upper mold base 131 is sleeved on the guide post and reciprocates along the guiding direction of the guide post, and the lower mold base 132 is fixed on the frame 10, and the guide post is guided and stabilized. The material to be punched passes between the upper die holder 131 and the lower die holder 132 and is punched.

The second embodiment of the present invention is as follows:

A mounting bracket is fixed on a mounting base, and a mounting block is arranged on the mounting bracket. A drive motor is fixed on the mounting frame as a driving component 11 for driving the transmission component 12 of the punching mechanism. The transmission component 12 is driven by a transmission shaft 121 fixed to the mounting block by a bearing and an eccentric structure 122 connected to the transmission 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 disposed at a lower portion thereof. The transmission portion 123 has a through hole formed therein, and is disposed through the connection shaft 21 and is disposed at the transmission. The action block 22 on both sides of the portion 121 and the two adjustment blocks 23 on the outer side of the action block 22 serve as the fine adjustment member 2 for adjusting the punching height of the punching mechanism; the action block 22 includes the connecting portion 221 and the two sides on the both sides of the transmission portion 123. The action portion 222 of the stamping die holder 13 is fixedly connected, and the transmission portion 123 of the eccentric structure 122 is applied to the stamping die holder 13 through the action portion 222 in a contact manner; and the surfaces of the action portion 222 that are in contact with the stamping die holder 13 are set to The curved surface, the acting portion 222 is a convex curved shape, and the stamping die holder 13 has a concave curved shape to reduce the lateral impact force and reduce the pressing hole error; the adjusting block 23 is provided with a center biasing adjustment The eccentric connecting hole at the center of the block 23 is for connecting the connecting shaft 21, and the adjusting block 23 is inserted into the connecting portion 221 of the acting block 22, and the driving portion 231 for changing the punching height for the belt block 22 is formed, and the other side is connected. Outside the portion 221, as the adjustment operation adjusting portion 232; when it is necessary to adjust the depth of the hole in the material, it is only necessary to manually adjust the adjustment block 23 to achieve a slight adjustment of the stroke height of the stamping die holder 13. The stamping die holder 13 includes an upper die holder 131 and a lower die holder 132 disposed above and below. The upper die holder 131 and the lower die holder 132 are connected by a guide member 14 formed by four guide posts penetrating the die holder, and the guide post is fixed on the machine. On the shelf 10. The upper mold base 131 is sleeved on the guide post and reciprocates along the guiding direction of the guide post, and the lower mold base 132 is fixed on the frame 10, and the guide post is guided and stabilized. The material to be punched passes between the upper die holder 131 and the lower die holder 132 and is punched.

The third embodiment of the present invention is as follows:

A mounting bracket is fixed on a mounting base, and a mounting block is arranged on the mounting bracket. A drive motor is fixed on the mounting frame as a driving component 11 to drive the transmission component 12 of the punching mechanism. The transmission component 12 is fixed to the transmission shaft 121 fixed to the mounting block through the bearing and the eccentric structure 122 connected to the transmission shaft 121. The transmission shaft 121 is 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 disposed at a lower portion thereof; the surface of the transmission portion 123 contacting the stamping die holder 13 is set as a curved surface, and the transmission is performed. The portion 123 is a convex curved shape, and the stamping die holder 13 has a concave curved shape to reduce the lateral impact force and reduce the pressing hole error; the stamping die holder 13 includes an upper die holder 131 and a lower die holder 132 disposed above and below. The upper mold base 131 and the lower mold base 132 are connected by a guide member 14 formed by four guide posts penetrating the mold base, and the guide post is fixed to the frame 10. The upper mold base 131 is sleeved on the guide post and reciprocates along the guiding direction of the guide post, and the lower mold base 132 is fixed on the frame 10, and the guide post is guided and stabilized. The material to be punched passes between the upper die holder 131 and the lower die holder 132 and is punched.

In summary, the technical means disclosed by the present invention can effectively solve the problems of the prior knowledge, achieve the intended purpose and efficacy, and are not found in the publication before publication, have not been publicly used, and have long-term progress, The inventions referred to in the Patent Law are correct, and the application is filed according to law, and the company is invited to give a detailed examination and grant a patent for invention.

The above is only the preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, that is, the equivalent changes and modifications made by the scope of the invention and the contents of the invention are all It should remain within the scope of this invention.

〔this invention〕
10‧‧‧Rack
11‧‧‧Drive parts
12‧‧‧Transmission components
121‧‧‧ drive shaft
122‧‧‧Eccentric structure
1221‧‧‧ Transmission parts
1222‧‧‧ drive jacket
123‧‧‧Transmission Department
13‧‧‧ Stamping die holder
131‧‧‧Upper mold base
132‧‧‧ lower mold base
14‧‧‧ Guide parts
2‧‧‧ fine-tuning components
21‧‧‧Connected shaft
22‧‧‧Action block
221‧‧‧Connecting Department
222‧‧‧ Action Department
23‧‧‧Adjustment block
231‧‧‧Drive Department
232‧‧‧Regulatory Department

Fig. 1 is a schematic view showing the structure of a punching mechanism in an embodiment of the present invention. Figure 2 is a schematic view showing the structure of a transmission member in an embodiment of the present invention. Figure 3 is a schematic view showing the splitting of the fine adjustment member in an embodiment of the present invention.

10‧‧‧Rack

11‧‧‧Drive parts

12‧‧‧Transmission components

121‧‧‧ drive shaft

122‧‧‧Eccentric structure

123‧‧‧Transmission Department

13‧‧‧ Stamping die holder

131‧‧‧Upper mold base

132‧‧‧ lower mold base

14‧‧‧ Guide parts

2‧‧‧ fine-tuning components

21‧‧‧Connected shaft

22‧‧‧Action block

23‧‧‧Adjustment block

Claims (10)

A stamping mechanism comprising: a frame, a driving component, a transmission component driven by the driving component, and a stamping die holder driven by the transmission component, wherein the transmission component comprises the driving component a driving shaft and an eccentric structure connected to the transmission shaft with respect to the shaft center of the transmission shaft, the eccentric structure is provided with a transmission portion associated with the stamping die holder, and the stamping die holder is sleeved on the opposite frame The fixed guide member is reciprocable along the guiding direction of the guide member. A punching mechanism according to claim 1, wherein the transmission portion is connected with a fine adjustment member for adjusting a punching height of the punching mechanism; and the transmission portion acts on the punching die by the fine adjustment member seat. A stamping mechanism according to claim 2, wherein the fine adjustment member includes an action block acting on the stamping die holder and an adjustment for adjusting a stamping height of the stamping die holder by the action block a block comprising a connecting portion connected to the adjusting block and an acting portion fixedly coupled to the stamping die holder; the adjusting block including a connecting portion inserted into the working block for driving the active block a driving portion for changing a stamping height and an adjusting portion for performing an adjusting operation outside the connecting portion, the adjusting block is provided with a connecting hole centered at a center of the adjusting block, and the acting block and the adjusting block are connected by A shaft is coupled to the transmission portion through a transverse hole provided in the transmission portion and the connection hole on the adjustment block. A punching mechanism according to claim 3, wherein the connecting portion of the acting block and the driving portion of the adjusting block are provided with a locking member for reinforcing the connection strength between the two. A stamping mechanism according to the invention of claim 4, wherein the locking member is a locking hole provided on the connecting portion and a locking screw adapted to the locking hole. A stamping mechanism according to claim 3, wherein the adjusting block is two disposed outside the connecting portions on both sides of the acting block. The stamping mechanism of claim 2, wherein the eccentric structure comprises a transmission member fixedly disposed on the transmission shaft and a transmission jacket connected to the transmission member through a bearing, the transmission portion is disposed On the transmission casing, the transmission member is eccentric with respect to the axis of the transmission shaft. A stamping mechanism according to the first aspect of the invention, wherein the transmission portion is in contact with the stamping die holder. A stamping mechanism according to claim 2, wherein the stamping die holder includes an upper die holder associated with the transmission portion and is fixedly coupled to the guide member or the frame a lower mold base located below the upper mold base. A stamping mechanism according to claim 1, wherein the guiding member is a four-column column.