CN214771838U - Opening and drawing device of circuit board stamping die - Google Patents

Abstract

The utility model discloses a drawing device of a circuit board stamping die, which comprises an upper cross arm component which is arranged above an upper die mounting plate and used for drawing the upper die mounting plate; meanwhile, a lower cross arm assembly for supporting the top lower die fixing plate is arranged below the upper cross arm assembly and above the upper die mounting plate; put into the jack of drawing the mould between upper cross arm subassembly and the lower cross arm subassembly and implement to draw the mould, the utility model discloses a draw the device and utilize light formula jack of cutting to do laborsaving mechanism, realize easily drawing the operation to heavy mould, realized lightly and laborsaving, it is in the vertical state and draw to make the mould more significant, makes the guide pillar and guide pin bushing subassembly of mould avoid the damage when drawing to keep the original precision degree of mould.

Description

Opening and drawing device of circuit board stamping die

Technical Field

The utility model relates to a pull out the device field, concretely relates to circuit board stamping die's pull out device.

Background

The stamping die for the printed circuit board is a professional precision die developed along with the electronic industry, along with the requirements of a downstream factory for improving the production efficiency and the technological progress, the printed circuit board is produced by original single pieces and is changed into jointed board production, and therefore the stamping die for the printed circuit board is also enlarged, and the die is heavy. When the circuit board stamping die is assembled, corrected and maintained, the upper die and the lower die are opened without separation. The precision degree of the die is kept, and the die device depends on the precision guide pillar and guide sleeve assembly and the maintenance of the guide pillar and guide sleeve assembly. The clearance between the guide post and the guide sleeve is extremely small, lubricating oil is arranged between the guide post and the guide sleeve to form a sucking effect between the guide post and the guide sleeve, the mold is not easy to open after being closed, and a proper quick labor-saving tool or device is not available for opening the mold at present; the conventional operation method at present is that a forklift is used for forking an upper die mounting plate to lift an upper die off, then the lower die is knocked to be separated from the lower die, and the knocking position is at the edge part of a lower die fixing plate, so that the pulling action force is not in the axial direction of a guide post and a guide sleeve, the guide post and the guide sleeve are rigidly worn and loosened, the gap between the guide post and the guide sleeve is increased, the loosening phenomenon occurs, the due precision of the die is rapidly reduced, and the knocked part on the surface of the die is also damaged. Therefore, a mold opening and closing device is needed to solve the technical problems.

Disclosure of Invention

An object of the utility model is to overcome prior art not enough, provide a circuit board stamping die's device of opening and drawing, it can convenient and fast and laborsaving open the mould, does not harm the structure and the precision of mould again.

The purpose of the utility model is realized by the following technical scheme.

The utility model discloses a circuit board stamping die's division draw gear, including setting up the upper cross arm subassembly that is used for drawing the upper die mounting panel above the upper die mounting panel; meanwhile, a lower cross arm assembly for supporting the top lower die fixing plate is arranged below the upper cross arm assembly and above the upper die mounting plate; and putting a jack of the drawing die between the upper cross arm assembly and the lower cross arm assembly to draw the die.

The upper cross arm assembly is characterized in that the left side and the right side of the upper cross arm assembly are respectively provided with a pulling rod, the pulling rods are placed in an upper die mounting groove of a die to be pulled, the upper ends of the pulling rods are fixed on the upper cross arm assembly, the lower ends of the pulling rods are provided with pulling clamps, and the pulling clamps hook the upper die mounting plate to be pulled upwards. Ejector rods are respectively arranged on the left side and the right side of the lower cross arm assembly; the ejector rod device is arranged in an upper die mounting groove of a die to be drawn and is positioned at the inner side of the drawing rod, the upper end of the ejector rod is fixed on the lower cross arm component, and the lower end of the ejector rod props against a lower die fixing plate of the drawing die when being placed; when the jack is used for pulling and lifting, the lower end of the ejector rod of the lower cross arm component props against the lower die fixing plate, the upper end of the ejector rod upwards bears the bottom jacking force of the jack through the lower cross arm component, and the top of the jack drives the upper cross arm component to lift to form traction, so that the vertical pulling of the die is realized.

Preferably, the upper cross arm assembly comprises a lifting cross arm and an upper pulling pipe, the left end and the right end of the lifting cross arm are movably inserted into the corresponding upper pulling pipe respectively, and the outer end of the upper pulling pipe is fixedly connected with the upper end of the pulling rod. The upper pulling pipe and the pulling rod are mutually 90 degrees.

Preferably, the lower cross arm assembly comprises a fixed cross arm and a lower jacking pipe, the left end and the right end of the fixed cross arm are movably inserted into the corresponding lower jacking pipes respectively, and the lower jacking pipes are fixedly connected with the upper ends of the jacking rods. The lower jacking pipe and the rod are mutually 90 degrees.

Preferably, the upper cross arm and the lower cross arm adopt a sleeve pipe connection telescopic structure, so that the lengths of the upper cross arm and the lower cross arm can be synchronously and flexibly adjusted to adapt to the application of moulds with different sizes.

Preferably, the outer end of the lower jacking pipe of the lower cross arm assembly is matched with a through hole of the pulling rod, so that the pulling rod of the upper cross arm assembly is sleeved by the outer end of the lower jacking pipe of the lower cross arm assembly. Therefore, the pulling rod of the upper cross arm assembly and the ejector rod of the lower cross arm assembly are vertically positioned in the upper die mounting groove of the drawing die, and the vertically positioned upper cross arm assembly and the vertically positioned lower cross arm assembly facilitate the placement of a jack between the upper cross arm assembly and the lower cross arm assembly when the drawing device is placed.

Preferably, the jack is selected to be a scissor jack.

Compared with the prior art, the utility model, its beneficial effect is: the opening device is erected in the upper die mounting groove of the upper die mounting plate of the opening die, and the shearing jack is used for opening the die through the opening device, so that the structure is practical and convenient, the die can be quickly and laborsavingly opened, and the structure and the precision of the die are not damaged.

Drawings

Fig. 1 is a front view of the drawing device.

Fig. 2 is a left side view schematically showing the structure of the opening and drawing device with the stem bar removed.

Fig. 3 is a left side view of the opening device with the lever removed.

Fig. 4 is a schematic sectional view of the structure of fig. 1 taken along the direction K-K.

Fig. 5 is a schematic top view of the upper mold mounting plate.

FIG. 6 is a partial schematic view of the connection structure of the stem and the upper stem.

Description of reference numerals: 1-an upper cross arm assembly; 11-lifting cross arm; 12-upward drawing a tube; 13-pulling the rod; 14-pulling the card; 15-adjusting nut 15; 2-lower cross arm assembly; 21-fixed cross arm; 22-lower jacking pipe; 23-a mandril; 31-a jack; 41-upper die mounting plate; 411-upper mold mounting groove; 42-lower die fixing plate; 43-guide post and guide bush assembly.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

The utility model discloses a circuit board stamping die's division draw gear, including setting up in the upper die mounting panel 41 above and being used for drawing the upper cross arm subassembly 1 of the upper die mounting panel 41; meanwhile, a lower cross arm component 2 for supporting a top lower die fixing plate 42 is arranged below the upper cross arm component 1 and above the upper die mounting plate 41; a jack 31 for opening the die is placed between the upper cross arm component 1 and the lower cross arm component 2 to open the die. As shown in fig. 1 to 6, the lifting device comprises a lifting cross arm 11 forming an upper cross arm assembly 1, upper pulling tubes 12 respectively sleeved at two ends of the lifting cross arm 11, and pulling rods 13 arranged at 90 degrees at the outer ends of the two upper pulling tubes 12. The pulling rod 13 is a double-thread screw, the upper end of the screw is provided with a double nut clamped on the upper pulling pipe 12 (the height g1 of the upper pulling pipe 12), the lower end of the screw is provided with a screw which penetrates through the pulling card 14 and the g2 adjusting nut 15, and the length of the screw can be adjusted by adjusting the g2 adjusting nut 15 to enable the pulling card 14 to be capable of adjusting the height up and down. The total length of the pulling rod 13 comprises the thickness of the lifting cross arm 11 (g 1), the lowest height of the jack 31 and the thickness of the fixing cross arm 21 (g 2), the preset opening height of the die (g3), the thickness of the die mounting plate 41 and the thickness of the card 14 on the die, and the adjustable height of the card 14.

The pulling device also comprises a fixed cross arm 21 forming the lower cross arm component 2, lower jacking pipes 22 respectively sleeved at two ends of the fixed cross arm 21, and ejector rods 23 arranged at the outer ends of the two lower jacking pipes 22 by 90 degrees. The upper end of the ejector rod 23 is a single-head screw rod with steps, the length of the threads is the length (the height g5 of the lower top pipe 22) for clamping the steps and the lower end of the ejector rod 23 is a flat head. The total length of the ejector rod 23 comprises the thickness (g5) of the lower ejector pipe 22, the distance (g3) that the die needs to be drawn, the height (g6) of the lower die fixing plate 42 subtracted from the total height of the die, and the outer end of the lower ejector pipe 22 is matched with a through hole of the pulling rod 13, so that the lower ejector pipe 22 sleeves the pulling rod 13 of the upper cross arm assembly 1.

The opening and drawing device also comprises a scissor jack 31, wherein the scissor jack 31 is arranged on the center of the corresponding mould.

Further, before the device is ready to be used, the jack placing height (g 2) between the upper cross arm assembly 1 and the lower cross arm assembly 2 is preset according to the actual lowest height of the jack, so that the situation that the jack placing height (g 2) is too high or insufficient to cause the trouble is avoided. The preset adjusting jack placing height (g 2) can be obtained by adjusting the g2 adjusting nut 15. At the same time, it is determined whether or not the die opening height (g3) between the lower cross arm assembly 2 and the upper die attachment plate 41 is sufficient. If the die opening height (g3) is not properly set, the ejector pins 23 having the proper length are replaced.

Further, as shown in fig. 1, the left and right ends of the lifting cross arm 11 of the upper cross arm assembly 1 are movably sleeved with the upper pulling pipe 12, the lifting cross arm 11 is used as an outer pipe member and the upper pulling pipe 12 is sleeved in the outer pipe member, or the upper pulling pipe 12 can be used as an outer pipe member and the inner lifting cross arm 11. The upper cross arm component 1 formed by the upper drawing pipes 12 is sleeved at two ends of the lifting cross arm 11, so that the length can be adjusted within a limited range, and the lifting cross arm is used for matching with dies with different length sizes for drawing. Similarly, the lower cross arm assembly 2 includes a fixed cross arm 21 and a lower top pipe 22, the left and right ends of the fixed cross arm 21 are movably sleeved with the lower top pipe 22 respectively, the fixed cross arm 21 is used as an outer pipe member to sleeve the lower top pipe 22, and the lower top pipe 22 can also be used as an outer pipe member inner sleeve fixed cross arm 21. The two ends of the fixed cross arm 21 are sleeved with the lower cross arm assembly 2 formed by the lower jacking pipes 22, and the length range of the fixed cross arm 2 and the upper cross arm assembly 1 is adjusted synchronously so as to be matched with the die opening and drawing operation with different length sizes.

In practical use, as shown in fig. 1 and 4, the maximum value of the length (Ls) of the elevating cross arm 11 = the length (a) of the upper die mounting groove 411) + the inner distance (M) of the upper die mounting groove 411 of the die. If (Ls) > (A) + (M), the stem 13 cannot be completely fitted into the upper mold mounting groove 411. This requires replacement of the lifting cross arm 11 of smaller length. Similarly, the maximum value of the length (Lx) of the fixed cross arm 21 = the inner distance (M) of the upper die mounting groove 411 of the die. If (Lx) > (M), the fixed cross arm 21 having a smaller length needs to be replaced.

In practical applications, when the length (Ls) of the lifting cross arm 11 and the length (Lx) of the fixed cross arm 21 are short enough and the connection length (Xd) of the fixed cross arm 21 of the lower cross arm assembly 2 to the lower top pipe 22 is too long, i.e. 2 (Xd) > (M), the lower top pipe 22 with a smaller length needs to be replaced.

In practical applications, the length (Xa) = the inner distance (M) of the upper die mounting groove 411 of the minimum-sized die, and these (Xa) and (M) are the minimum values. When (Xa) and (M) are the minimum values and applied to the die opening with a larger size, the connection length (Xd) =1/3 (M) of the lifting cross arm 11 connecting the upper drawing tube 12 is taken as the standard, and the left end and the right end (Xd) should be equal, and the connection length (Xd) of the fixed cross arm 21 connecting the lower drawing tube 22 is required to be the same, if the connection length (Xd) is insufficient for the die opening with a larger size, the lengthened lifting cross arm 11 and the lengthened fixed cross arm 21 should be replaced.

In practical application, the lifting cross arm 11 and the fixed cross arm 21 are stainless steel pipes with the size of 40mm multiplied by 80mm multiplied by 3mm (thickness); the upper and lower push pipes 12 and 22 are stainless steel pipes having dimensions of 30mm × 70mm × 3mm (thickness). The pulling rod 13 can adopt an M16 stud bolt; the ejector rod 23 can be made of a steel rod with the diameter of 20mm and a step, and M16 threads with the length of 30mm are made of the steel rod. In view of the existing specification section bars adopted by the upper cross arm assembly 1 and the lower cross arm assembly 2 of the device, the device is simple and convenient to process, and the upper cross arm assembly 1 and the lower cross arm assembly 2 can be matched with synchronous telescopic mechanisms to be matched with dies of different sizes for drawing and using, and can also be matched with dies of different sizes for drawing and using in advance.

In practical application, the height of the circuit board stamping die is fixed, the height to be drawn is known, and the lowest height of the jack is also known, so that the corresponding application sizes of the pull rod 13 and the pull card 14 of the upper cross arm component 1 can be fixed, and the corresponding application sizes of the lower cross arm component 2 and the ejector rod 23 can be fixed. When the opening device is used, the opening device is pulled to two sides to place the ejector rod 23 and the pulling rod 13 in the upper die mounting groove, then the lifting cross arm 11 and the fixing cross arm 21 are adjusted to be centered, and then the jack 31 is placed to perform die opening.

The utility model discloses a pull out device application current light formula jack 31 of cutting and do laborsaving mechanism realizes easily pulling out the operation to heavy mould, has realized that the mould is pulled out lightly and laborsaving, has more important meaning and makes the mould be in the vertical state and pull out, makes the guide pillar and guide pin bushing subassembly to the mould avoid the damage when pulling out to keep the original precision degree of mould.

The above-mentioned embodiment is only the better embodiment of the utility model, and the mold opening and drawing device with the same or equivalent structure is all in the protection scope of the application.

Claims (6)

1. The utility model provides a circuit board stamping die's device of opening and drawing which characterized in that: comprises an upper cross arm assembly (1) which is arranged above an upper die mounting plate (41) and is used for drawing the upper die mounting plate (41); meanwhile, a lower cross arm assembly (2) supporting a top lower die fixing plate (42) is arranged below the upper cross arm assembly (1) and above the upper die mounting plate (41); and a jack (31) for opening the die is placed between the upper cross arm assembly (1) and the lower cross arm assembly (2) to open the die.

2. The opening and drawing device of the circuit board stamping die according to claim 1, characterized in that: the left side and the right side of the upper cross arm component (1) are respectively provided with a pulling rod (13), the pulling rods (13) are placed in an upper die mounting groove (411) of a die to be pulled, the upper ends of the pulling rods (13) are fixed on the upper cross arm component (1), the lower ends of the pulling rods (13) are respectively provided with a pulling clamp (14), the pulling clamps (14) hook the upper die mounting plate (41) to be pulled upwards, and the left side and the right side of the lower cross arm component (2) are respectively provided with a push rod (23); the ejector rod (23) is arranged in an upper die mounting groove (411) of a die to be drawn and is positioned on the inner side of the drawing rod (13), the upper end of the ejector rod (23) is fixed on the lower cross arm component (2), and the lower end of the ejector rod (23) is propped against a lower die fixing plate (42) of the drawn die when placed.

3. The opening and drawing device of the circuit board stamping die according to claim 2, characterized in that: the upper cross arm assembly (1) comprises a lifting cross arm (11) and an upper pulling pipe (12), the left end and the right end of the lifting cross arm (11) are movably inserted into the corresponding upper pulling pipe (12), the outer end of the upper pulling pipe (12) is fixedly connected with the upper end of a pulling rod (13), and the upper pulling pipe (12) and the pulling rod (13) are 90 degrees.

4. The opening and drawing device of the circuit board stamping die according to claim 3, characterized in that: the lower cross arm assembly (2) comprises a fixed cross arm (21) and a lower jacking pipe (22), the left end and the right end of the fixed cross arm (21) are movably inserted into the corresponding lower jacking pipe (22), the lower jacking pipe (22) is fixedly connected with the upper end of the jacking rod (23), and the lower jacking pipe (22) and the jacking rod (23) are 90 degrees.

5. The opening and drawing device of the circuit board stamping die according to claim 4, characterized in that: the outer end of a lower jacking pipe (22) of the lower cross arm component (2) is matched with a through hole of the pulling rod (13), so that the lower jacking pipe (22) sleeves the pulling rod (13) of the upper cross arm component (1).

6. The opening and drawing device of the circuit board stamping die of claim 5, characterized in that: the jack (31) is a scissor jack.

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