CN209174687U - A sliding punching structure for molds - Google Patents

Abstract

The utility model relates to a sliding punching structure for a mould. The sliding punching structure includes a linkage block slidably installed on the lower mold frame and a driving block arranged on the upper mold frame. The punching block opposite to the inner side of the cover, the positioning block used to fit the outer side of the rice cooker cover is slidably installed on the linkage block, and the positioning block is provided with a punching groove opposite to the punching block; the driving block is used to drive The positioning block slides to perform a positioning action, and the second linkage portion is used to drive the linkage block to slide to perform a punching action. The utility model has the effect of high hole position precision.

Description

A sliding punching structure for molds

technical field

The utility model relates to the technical field of punching parts, in particular to a sliding punching structure for molds.

Background technique

Stamping die is a special process equipment for processing materials (metal or non-metal) into parts (or semi-finished products) in cold stamping processing, called cold stamping die (commonly known as cold stamping die). Stamping is a pressure processing method that uses a mold installed on a press to apply pressure to the material at room temperature to cause separation or plastic deformation to obtain the required parts.

Among them, during the production process of the rice cooker cover, it is necessary to punch holes on the surface and side of the rice cooker cover. Traditionally, in the production process, it is usually necessary to punch the surface of the rice cooker cover, then take out the rice cooker cover and place it on the side for punching. Then punch the side of the rice cooker cover. When punching the side of the rice cooker cover, the method of punching the rice cooker cover out of the hole directly through the punching head often causes the punching head to contact the side of the rice cooker cover. , The lid of the rice cooker shakes, resulting in poor accuracy of the holes on the side of the lid of the rice cooker, so there are certain improvements.

Utility model content

The purpose of the utility model is to provide a sliding punching structure for a mold, which can improve the punching precision to a certain extent.

The above-mentioned technical purpose of the utility model is achieved through the following technical solutions:

A sliding punching structure for a mould. The sliding punching structure includes a linkage block slidably installed on the lower mold frame and a driving block arranged on the upper mold frame. The linkage block is provided with a A punching block opposite to the side, a positioning block for bonding with the outer side of the rice cooker cover is slidably installed on the linkage block, and a punching groove opposite to the punching block is arranged on the positioning block;

The first linkage part on the driving block is used to drive the positioning block to slide to perform positioning action, and the second linkage part is used to drive the linkage block to slide to perform punching action.

Through the above technical solution, during the downward movement of the driving block, the first linkage part drives the positioning block to slide, and the positioning block abuts against the side of the rice cooker cover for positioning, and the second linkage part drives the linkage block to slide, and the impact on the linkage block The hole block can punch the side of the rice cooker cover. Through the setting of the application, the positioning and punching can be combined, thereby improving the production efficiency of punching and correspondingly improving the accuracy of the hole position on the side of the rice cooker cover.

Preferably, the first linkage part includes a first inclined surface provided at the end of the positioning block, and a second inclined surface for cooperating with the first inclined surface is provided at one side of the end of the driving block.

Through the above technical solution, the second slope on the driving block cooperates with the first slope on the positioning block, and as the driving block moves down, the sliding of the positioning block is realized. The structural design of the above-mentioned first linkage part is simple, and the driving The effect is good.

Preferably, the second linkage part includes a first guide surface provided on the linkage block, and the other side of the drive block end is provided with a second guide surface for cooperating with the first guide surface.

Through the above technical solution, the second guiding surface on the driving block cooperates with the first guiding surface on the positioning block, and as the driving block moves down, the sliding of the linkage block is realized. The structure design of the above-mentioned second linkage part is simple, And the driving effect is good.

Preferably, the length of the second guide surface is greater than the length of the second slope.

Through the above technical solution, when the first inclined surface cooperates with the second inclined surface, the driving block can drive the positioning block to slide, so that the positioning block is against the outer side of the rice cooker cover, and the first guiding surface and the second guiding surface cooperate, and the driving block can Drive the linkage block to slide, so that the punching block on the linkage block abuts against the inner side of the rice cooker cover. As the drive block continues to move down, the drive block can continue to slide with the linkage block, and then the punching block pushes the side of the rice cooker For the punching action, the application adopts the form of punching after pre-positioning, thereby effectively improving the stability of punching.

Preferably, the positioning block is provided with an accommodating groove for accommodating the side of the electric rice cooker cover around the punching groove.

Through the above technical solution, the accommodating groove can adapt to the shape of the side of the rice cooker cover, thereby avoiding the deformation of the rice cooker cover during the punching process.

Preferably, the sliding punching structure further includes a reset portion for controlling the reset of the positioning block and the linkage block.

Through the above technical solution, the reset part can drive the positioning block and the linkage block to reset, and then prepare for the next punching.

Preferably, the reset part includes a mounting block, the mounting block is provided with at least one mounting hole, the mounting block is inserted with a first reset rod in the mounting hole, and the first reset rod is connected to the linkage block, so A first reset spring is sleeved on the first reset lever, a second reset lever is slidably inserted on the linkage block, the second reset lever is connected to the positioning block, and a socket is sleeved on the second reset lever. Second return spring.

Through the above technical solution, the first return spring and the second return spring can drive the positioning block and the linkage block to reset, thereby ensuring the next positioning and punching work of the positioning block and the linkage block.

In summary, the beneficial technical effects of the utility model are:

Through the arrangement of the present application, positioning and punching can be combined together, thereby improving the production efficiency of punching, and correspondingly improving the accuracy of the hole position on the side of the lid of the electric rice cooker.

Description of drawings

Fig. 1 is the first structural schematic diagram of embodiment;

Fig. 2 is the second structural schematic diagram of embodiment;

Fig. 3 is a structural schematic diagram of the sliding punching structure in the embodiment.

Reference signs: 1, upper mold base; 2, lower mold base; 3, guide column; 4, guide bushing; 5, punch base; 6, die base; 7, upper forming part; 71, first forming Block; 72, the second forming block; 73, the first forming head; 74, the second forming head; 8, the lower forming part; 81, the first forming cavity; 82, the second forming cavity; 83, the first forming hole; 84. Second forming hole; 9. Guide piece; 10. Guide slope; 11. Guide groove; 12. Sliding punching structure; 121. Linkage block; 122. Punching block; 123. Positioning block; 124. Punching groove ; 125, accommodating groove; 126, driving block; 127, first inclined plane; 128, second inclined plane; 129, first guiding surface; 130, second guiding surface; 13, reset part; 131, mounting block; 132, 133, the first anti-off block; 134, the first return spring; 135, the second return lever; 136, the second anti-off block; 137, the second return spring.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in further detail.

Shown in conjunction with Fig. 1 and Fig. 2, a kind of slide punching structure that is used for mould, is applied in the mold that electric cooker cover makes, and this mold comprises upper mold frame 1 and lower mold frame 2, and upper mold frame 1 is provided with at least A guide column 3, a guide bushing 4 cooperating with the guide column 3 is arranged on the lower formwork 2. Wherein, the lower mold base 2 is provided with a punch seat 5, the punch base 5 is used to place the rice cooker cover, and the upper mold base 1 is provided with a die base 6 for matching with the punch base 5, and the die base 6 At least one upper forming part 7 for stamping the surface of the electric rice cooker cover is provided, and the lower forming part 8 cooperating with the upper forming part 7 is arranged on the punch base 5 .

The upper forming part 7 includes a first forming block 71 and a second forming block 72 , the first forming block 71 is provided with a first forming head 73 , and the second forming block 72 is provided with a second forming head 74 . The lower molding part 8 includes a first molding cavity 81 that cooperates with the first molding block 71, and the first molding cavity 81 is provided with a first molding hole 83 for the first molding head 73 to pass through to punch holes on the surface of the electric rice cooker cover. The second forming cavity 82 is provided with a second forming hole 84 through which the second forming head 74 passes to punch a hole on the surface of the cover of the electric rice cooker. Thus, when the male mold base 5 and the female mold base 6 are combined, the first forming part and the second forming part can punch out a forming hole on the surface of the electric rice cooker lid.

The lower mold frame 2 is equipped with several guide pieces 9 around the punch base 5 , and the end of each guide piece 9 is provided with a guide slope 10 , and the die base 6 is provided with a guide groove 11 for inserting the guide piece 9 . Wherein, an embedding space for fitting the side of the rice cooker cover is reserved between the guide member 9 and the punch seat 5 . The cover of the electric cooker is closed on the punch seat 5, and the side of the cover of the electric cooker can enter the embedded space.

In the present application, the lower mold frame 2 is provided with the sliding punching structure 12 on one side of the punch seat 5 controlled by the pressing action of the upper mold frame 1 to punch holes on the side of the rice cooker lid.

As shown in Figure 3, the sliding punching structure 12 includes a linkage block 121 that is slidably installed on the lower mold frame 2, a relief chamber for the linkage block 121 to slide is provided on the punch base 5, and a punching block is arranged on the linkage block 121. 122, the punching block 122 is located in the cover of the electric rice cooker, and the punching block 122 is opposite to the inner side of the cover of the electric rice cooker.

Wherein, on the linkage block 121, the positioning block 123 that is fitted with the outer edge of the cover of the electric rice cooker is slidably installed, and the positioning block 123 is provided with a punching groove 124 opposite to the punching block 122, and the positioning block 123, the linkage block 121 and the lower die The same blanking groove as the punching groove 124 runs through the frame 2 , and the positioning block 123 is provided with an accommodating groove 125 around the punching groove 124 for accommodating the side of the rice cooker cover.

It is worth noting that the upper mold frame 1 is provided with a driving block 126, the driving block 126 is used to drive the first linkage part of the positioning block 123 to slide for the positioning action, and is used to drive the linkage block 121 to slide for the punching action. The second linkage department.

The first linkage part includes a first inclined surface 127 disposed on the end of the positioning block 123 , and a second inclined surface 128 is disposed on one side of the end of the driving block 126 for cooperating with the first inclined surface 127 . The inclination angle of the first slope 127 and the second slope 128 is 45°. The second linkage part includes a first guide surface 129 disposed on the linkage block 121 , and a second guide surface 130 for cooperating with the first guide surface 129 is disposed on the other end of the drive block 126 . The inclination angle of the first guide surface 129 and the second guide surface 130 is 45°. The second slope 128 and the second guide surface 130 are respectively disposed on two sides of the end of the driving block 126 , wherein the length of the second guide surface 130 is greater than the length of the second slope 128 .

Thus, when the second inclined surface 128 and the second guiding surface 130 of the driving block 126 collide with the first inclined surface 127 on the positioning block 123 and the first guiding surface 129 on the linkage block 121 respectively, the driving block 126 moves down, The driving block 126 can simultaneously drive the positioning block 123 and the linkage block 121 to slide, so that the positioning block 123 abuts on the outer side of the rice cooker cover, and the punching block 122 of the linkage block 121 abuts on the inner side of the rice cooker cover so that It is opposite to the punching slot 124 on the positioning block 123 . As the driving block 126 continues to move down, the end face of the positioning block 123 contacts the side wall of the driving block 126, and the driving block 126 keeps the positioning block 123 from moving at this position, and the driving block 126 can be positioned on the side of the second guide surface 130. Continue to drive the linkage block 121 to slide under the action, and the punching block 122 on the linkage block 121 can be punched into the punching groove 124, thereby forming punching holes on the lid of the electric cooker.

In the present application, the lower mold base 2 is provided with a reset portion 13 for controlling the reset of the positioning block 123 and the linkage block 121 . The reset part 13 includes a mounting block 131 arranged on the lower mold frame 2, the mounting block 131 is provided with at least one mounting hole, the mounting block 131 is inserted with a first reset rod 132 in the mounting hole, and one end of the first reset rod 132 is fixed Connected to the linkage block 121 , the other end of the first reset rod 132 is provided with a first anti-off block 133 against the installation frame. Wherein, a first return spring 134 is sleeved on the first return lever 132 .

A second reset lever 135 is slidably inserted on the linkage block 121, one end of the second reset lever 135 is fixedly connected to the positioning block 123, and the other end of the second reset lever 135 is provided with a second anti-off block that is offset against the linkage block 121 136. A second return spring 137 is sleeved on the second return lever 135 . In the present application, there are two first reset rods 132, and the first reset rods 132 are located on both sides of the second reset rod 135, wherein, on the end face of the drive block 126, there is a socket for accommodating the second reset rod 135. Accommodate space.

work process:

The hydraulic system drives the upper mold base 1 to press down on the lower mold base 2, the punch seat 5 is matched with the die base 6, and the upper forming part 7 and the lower forming part 8 are combined to press and form the surface of the rice cooker cover, while sliding The punching structure 12 starts to work, and the sliding punching structure 12 is controlled by the upper mold frame 1 to punch the side of the rice cooker cover. Using the above tools, the surface forming of the rice cooker cover and the side punching can be combined, thereby Improve the production efficiency of rice cooker lid;

Wherein, in the sliding punching structure 12, when the driving block 126 moves down, the first linkage part drives the positioning block 123 to slide, and the positioning block 123 abuts against the side of the rice cooker lid for positioning, and the second linkage part drives the linkage block 121 slides, and the punching block 122 on the linkage block 121 can punch holes on the side of the rice cooker cover, so that positioning and punching can be combined, thereby improving the production efficiency of punching, and correspondingly improving the side holes of the rice cooker cover. bit precision.

The embodiments of this specific embodiment are all preferred embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model accordingly: all equivalent changes made according to the structure, shape and principle of the present utility model are all applicable. Should be covered within the protection scope of the present utility model.

Claims (7)

1. A sliding punching structure for moulds, characterized in that, the sliding punching structure (12) comprises a linkage block (121) which is slidably mounted on the lower die frame (2), and is arranged on the upper die frame (1 ) on the drive block (126), the linkage block (121) is provided with a punching block (122) opposite to the inner side of the rice cooker cover, and the linkage block (121) is slidably installed for connecting with the rice cooker cover A positioning block (123) attached to the outer side, the positioning block (123) is provided with a punching groove (124) opposite to the punching block (122); The driving block (126) is a first linking part for driving the positioning block (123) to slide for positioning, and a second linking part for driving the linking block (121) to slide for punching. 2. A sliding punching structure for a mold according to claim 1, characterized in that, the first linkage part comprises a first slope (127) arranged at the end of the positioning block (123), the A second slope (128) for cooperating with the first slope (127) is provided on one side of the end of the driving block (126). 3. A sliding punching structure for a mold according to claim 2, characterized in that, the second linkage part comprises a first guide surface (129) arranged on the linkage block (121), the The other side of the end of the drive block (126) is provided with a second guide surface (130) for cooperating with the first guide surface (129). 4. The sliding punching structure for a mold according to claim 3, characterized in that, the length of the second guiding surface (130) is greater than the length of the second inclined surface (128). 5. A sliding punching structure for a mold according to claim 1, characterized in that, the positioning block (123) is provided with accommodating the sides of the rice cooker cover around the punching groove (124). Slot (125). 6. A sliding punching structure for a mold according to claim 1, characterized in that, the sliding punching structure (12) also includes a mechanism for controlling the reset of the positioning block (123) and the linkage block (121). Reset part (13). 7. A sliding punching structure for a mold according to claim 6, characterized in that, the reset part (13) includes a mounting block (131), and at least one Mounting holes, the mounting block (131) is plugged with a first reset lever (132) in the mounting hole, the first reset lever (132) is connected to the linkage block (121), and the first reset lever (132) A first reset spring (134) is sleeved on the top, a second reset lever (135) is slidably inserted on the linkage block (121), and the second reset lever (135) is connected to the positioning block (123), A second return spring (137) is sleeved on the second return lever (135).