CN214056582U - Pressing die with spring pressing function - Google Patents

Abstract

The utility model provides a press fitting die with spring type press fitting function, which comprises an upper die base, a lower die base, an upper die, a lower die, guide rods, a buffering limiting mechanism, a butting groove and a limiting groove, wherein the upper die base is arranged above the lower die base, the bottom of the upper die base is provided with the upper die, the top of the lower die base is provided with the lower die, the guide rods are respectively arranged at the left end and the right end between the upper die base and the lower die base, the butting groove is respectively arranged at the left side and the right side of the upper die, the limiting grooves are respectively arranged at the left end and the right end of the bottom surface of the upper die base, the buffering limiting mechanism is arranged in the lower die base and is respectively positioned at the left side and the right side of the lower die, the structure buffers the upper die base when descending through a buffering pressing block and a first buffering spring, after the limiting pressing block is abutted against, so that the upper die base can not continuously descend and the lower surface of the upper die base is prevented from rigidly contacting with the upper surface of the lower die base.

Description

Pressing die with spring pressing function

Technical Field

The utility model relates to a press fitting die field especially relates to a press fitting die who possesses spring pressfitting function.

Background

The press fit die comprises an upper die base, a lower die and an upper die, wherein the upper die is arranged below the upper die base, the lower die is arranged above the lower die base, and the upper die base drives the upper die to descend to perform press fit, stamping, shearing and other work on the lower die base.

The lower surface of an upper die base and the upper surface of a lower die base of an existing press-fit die are both hard planes, in the process of downward press-fitting of an upper die, a hydraulic machine drives the upper die base to move downward for press-fitting until the lower surface of the upper die base is in contact with the upper surface of the lower die base in a limiting manner, namely, the upper die base is stopped from descending, and in the process, due to the fact that the pressure of the hydraulic machine is too large, the upper surface of the upper die base is in more contact with the upper surface of the lower die base, the upper die base and the lower die base are easy to damage due to abrasion and deformation of two surfaces caused by long-time use.

Disclosure of Invention

According to the technical problem, the utility model provides a press fitting die with spring pressfitting function, its characterized in that includes upper die base, die holder, upper die, lower mould, guide arm, buffering stop gear, butt joint groove and spacing groove, the upper die base sets up above the die holder, the upper die base bottom is provided with the upper mould, the die holder top is provided with the lower mould, the left and right ends between upper die base and the die holder are provided with the guide arm respectively, the left and right sides of upper mould is provided with the butt joint groove respectively, the left and right sides both ends of upper die base bottom surface have seted up the spacing groove respectively, be provided with buffering stop gear in the die holder, buffering stop gear is located the left and right sides of lower mould respectively;

the buffering and limiting mechanism comprises a buffering pressing block, a first buffering spring, a connecting rod A, a rotating rod, a connecting rod B, a limiting top block, a mounting groove and a sliding sleeve, the mounting groove is formed in the lower die holder and is positioned on the left side and the right side of the lower die, a transmission cavity is formed in the bottom of the mounting groove, the sliding sleeves are respectively arranged at the left end and the right end of the lower die holder and are positioned on the outer sides of the mounting groove, the limiting top block is slidably mounted in the sliding sleeve, the buffering pressing block is slidably mounted in the mounting groove, a first buffering spring is arranged at the bottom of the buffering pressing block, one end of the first buffering spring abuts against the buffering pressing block, the other end of the first buffering spring abuts against the inner wall of the mounting groove, the bottom of the buffering pressing block is connected with the connecting rod A, the bottom of the connecting rod A penetrates through the mounting groove and extends into the transmission cavity, the rotating rod is arranged at the bottom of the connecting rod A, and the center of the rotating rod is rotatably mounted on the inner wall of the transmission cavity through a fixing shaft, the right end of the rotating rod is transversely provided with a guide groove, the bottom of the connecting rod A is installed in the guide groove through a circular sliding block, the left end of the rotating rod is connected with the limiting ejector block through a connecting rod B, one end of the connecting rod B is connected with the left end of the rotating rod B through a rotating shaft, and the other end of the connecting rod B is installed at the bottom end of the limiting ejector block through a rotating shaft;

the abutting groove is positioned right above the buffer block, and the limiting groove is positioned right above the limiting top block;

the limiting ejector block is internally provided with a sliding groove, a buffering pressing plate is arranged in the sliding groove in a sliding mode, a second buffering spring is sleeved on the outer side of the buffering pressing plate, one end of the second buffering spring is abutted to the inner wall of the sliding groove, and the other end of the second buffering spring is abutted to the buffering pressing plate.

The utility model has the advantages that:

the utility model discloses a through being provided with buffering stop gear, when the upper die base pushes down, the butt joint groove contacts with buffering briquetting earlier and pushes down it, first buffer spring is compressed and plays a buffering effect to the upper die base simultaneously, buffering briquetting drives connecting rod A to move down when moving down, connecting rod A drives the bull stick and rotates to one side, the bull stick drives connecting rod B of opposite side to rise simultaneously, connecting rod B drives spacing kicking block and rises, make the buffering clamp plate of spacing kicking block support in the spacing groove of upper die base, at this moment because spacing kicking block can not continue to rise after supporting in the spacing groove, so buffering briquetting can not continue to move down either, both coactions reach the equilibrium and spacing upper die base and make it unable to continue to descend, accomplish the pressfitting process, this kind of structure cushions when descending the upper die base through buffering briquetting and first buffer spring, buffering clamp plate and second buffer spring also can play the buffering effect when contacting with the spacing groove simultaneously, after spacing kicking block supported at the spacing inslot, spacing kicking block can't continue to rise, and the buffering briquetting can't continue to descend, and both effort balances and play a spacing effect to last mould, make it can't continue to descend, prevent the rigid contact of upper die base lower surface and die holder upper surface, reduce the spoilage of upper die base and die holder.

Drawings

FIG. 1 is a cross-sectional structural view of the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1.

As shown in the figure: 1-an upper die holder, 2-a lower die holder, 3-an upper die, 4-a lower die, 5-a guide rod, 6-an abutting groove, 7-a limiting groove, 8-a buffer pressing block, 9-a first buffer spring, 10-a connecting rod A, 11-a rotating rod, 12-a connecting rod B, 13-a limiting top block, 14-a mounting groove, 15-a sliding sleeve, 16-a transmission cavity, 17-a fixed shaft, 18-a guide groove, 19-a circular sliding block, 20-a sliding groove, 21-a buffer pressing plate and 22-a second buffer spring.

Detailed Description

Example 1

The utility model provides a possesses compression moulding mould of spring pressfitting function, its characterized in that includes upper die base 1, die holder 2, upper die 3, lower mould 4, guide arm 5, buffering stop gear, butt groove 6 and spacing groove 7, upper die base 1 sets up above die holder 2, upper die 3 is provided at upper die base 1 bottom, die holder 2 top is provided with lower mould 4, the left and right sides between upper die base 1 and die holder 2 is provided with guide arm 5 respectively, the left and right sides of upper die 3 is provided with butt groove 6 respectively, spacing groove 7 has been seted up respectively at the left and right sides of upper die base 1 bottom surface, be provided with buffering stop gear in the die holder 2, buffering stop gear is located the left and right sides of lower mould 4 respectively;

the buffering and limiting mechanism comprises a buffering pressing block 8, a first buffering spring 9, a connecting rod A10, a rotating rod 11, a connecting rod B12, a limiting top block 13, a mounting groove 14 and a sliding sleeve 15, wherein the mounting groove 14 is formed in the lower die holder 2, the mounting groove 14 is positioned on the left side and the right side of the lower die 4, a transmission cavity 16 is formed in the bottom of the mounting groove 14, the sliding sleeve 15 is respectively arranged at the left end and the right end of the lower die holder 2, the sliding sleeve 15 is positioned on the outer side of the mounting groove 14, the limiting top block 13 is slidably mounted in the sliding sleeve 15, the buffering pressing block 8 is slidably mounted in the mounting groove 14, the first buffering spring 9 is arranged at the bottom of the buffering pressing block 8, one end of the first buffering spring 9 abuts against the buffering pressing block 8, the other end of the first buffering spring 9 abuts against the inner wall of the mounting groove 14, the bottom of the buffering pressing block 8 is connected with the connecting rod A10, the bottom of the connecting rod A10 penetrates through the mounting groove 14 and extends into the transmission cavity 16, the rotating rod 11 is arranged at the bottom of the connecting rod A10, the center of the rotating rod 11 is rotatably mounted on the inner wall of the transmission cavity 16 through a fixing shaft 17, a guide groove 18 is transversely formed in the right end of the rotating rod 11, the bottom of a connecting rod A10 is installed in the guide groove 18 through a circular sliding block 19, the left end of the rotating rod 11 is connected with a limit top block 13 through a connecting rod B12, one end of a connecting rod B12 is connected with the left end of the rotating rod 11B through a rotating shaft, and the other end of a connecting rod B12 is installed at the bottom end of the limit top block 13 through a rotating shaft;

the abutting groove 6 is positioned right above the buffer pressing block 8, and the limiting groove 7 is positioned right above the limiting top block 13; the inside spout 20 of having seted up of spacing kicking block 13, slidable mounting has buffering clamp plate 21 in the spout 20, and the cover is equipped with second buffer spring 22 in the buffering clamp plate 21 outside, and second buffer spring 22 one end is supported on the 20 inner walls of spout, and the second buffer spring 22 other end supports on buffering clamp plate 21.

Example 2

When the utility model is used, the external hydraulic press drives the upper die holder 1 to press downwards, the lower die holder 2 contacts with the buffer pressing block 8 in the downward moving process, then the buffer pressing block 8 presses downwards in the mounting groove 14 and the first buffer spring 9 is compressed, the first buffer spring 9 plays a buffer role to the upper die holder 1, then the buffer pressing block 8 drives the connecting rod A10 to move downwards, the connecting rod A10 drives the rotating rod 11 to rotate towards the right side along the fixing shaft 17 through the circular sliding block 19, the left side of the rotating rod 11 drives the connecting rod B12 to ascend, the connecting rod B12 drives the limit top block 13 to ascend in the sliding sleeve 15 until the buffer pressing plate 21 of the limit top block 13 contacts with the limit groove 7 and presses the position, the second buffer spring 22 is compressed and plays a buffer role when the buffer pressing plate 21 contacts with the limit groove 7, at this time, the limit top block 13 can not ascend by abutting against the limit groove 7, through connecting rod A10, the drive mechanism linkage of bull stick 11 and connecting rod B12 leads to buffering briquetting 8 also can't continue to descend, buffer briquetting 8 and spacing kicking block 13 both atress are balanced carry on spacingly to upper die base 1 like this, make upper die base 1 can't continue to descend, accomplish pressfitting work, first buffer spring 9 plays a cushioning effect to upper die base 1, second buffer spring 22 and slow press plate 21 make spacing kicking block 13 and spacing groove 7 elastic contact, when carrying on spacingly to upper die base 1, prevent the rigid contact of upper die base 1 lower surface and die holder 2 upper surface, reduce the spoilage of upper die base 1 and die holder 2.

After the pressing, the upper die holder 1 rises, the first buffer spring 9 drives the buffer pressing block 8 to move upwards and reset, the buffer pressing block 8 drives the connecting rod A10 to rise, so that the rotating rod 11 rotates leftwards, and the rotating rod 11 drives the connecting rod B12 and the limit ejecting block 13 to descend and reset.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. The utility model discloses each part that mentions is the common technique in prior art, and the technical personnel of this trade should understand, the utility model discloses do not receive the restriction of above-mentioned embodiment, the description only is the explanation in above-mentioned embodiment and the description the principle of the utility model, under the prerequisite that does not deviate from the spirit and the scope of the utility model, the utility model discloses still can have various changes and improvement, these changes and improvement all fall into the protection of claim the utility model is within the scope. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (3)

1. A press-fit die with a spring type press-fit function is characterized by comprising an upper die base, a lower die base, an upper die, a lower die, guide rods, a buffering limiting mechanism, a butting groove and limiting grooves, wherein the upper die base is arranged above the lower die base;

the buffering and limiting mechanism comprises a buffering pressing block, a first buffering spring, a connecting rod A, a rotating rod, a connecting rod B, a limiting top block, a mounting groove and a sliding sleeve, the mounting groove is formed in the lower die holder and is positioned on the left side and the right side of the lower die, a transmission cavity is formed in the bottom of the mounting groove, the sliding sleeves are respectively arranged at the left end and the right end of the lower die holder and are positioned on the outer sides of the mounting groove, the limiting top block is slidably mounted in the sliding sleeve, the buffering pressing block is slidably mounted in the mounting groove, a first buffering spring is arranged at the bottom of the buffering pressing block, one end of the first buffering spring abuts against the buffering pressing block, the other end of the first buffering spring abuts against the inner wall of the mounting groove, the bottom of the buffering pressing block is connected with the connecting rod A, the bottom of the connecting rod A penetrates through the mounting groove and extends into the transmission cavity, the rotating rod is arranged at the bottom of the connecting rod A, and the center of the rotating rod is rotatably mounted on the inner wall of the transmission cavity through a fixing shaft, a guide groove is transversely formed in the right end of the rotating rod, the bottom of the connecting rod A is installed in the guide groove through a circular sliding block, and the left end of the rotating rod is connected with the limiting ejector block through a connecting rod B;

the limiting ejector block is internally provided with a sliding groove, a buffering pressing plate is arranged in the sliding groove in a sliding mode, a second buffering spring is sleeved on the outer side of the buffering pressing plate, one end of the second buffering spring is abutted to the inner wall of the sliding groove, and the other end of the second buffering spring is abutted to the buffering pressing plate.

2. The press fitting die with the spring type press fitting function according to claim 1, wherein one end of the connecting rod B is connected with the left end of the rotating rod B through a rotating shaft, and the other end of the connecting rod B is mounted at the bottom end of the limiting top block through a rotating shaft.

3. The press-fitting die with the spring type press-fitting function according to claim 1, wherein the abutting groove is located right above the buffer block, and the limiting groove is located right above the limiting top block.

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