CN217223265U

CN217223265U - Mold clamping device

Info

Publication number: CN217223265U
Application number: CN202220252065.5U
Authority: CN
Inventors: 唐召波; 吕露; 周阳春
Original assignee: Ningbo Zhuocheng Intelligent Equipment Co ltd
Current assignee: Ningbo Zhuocheng Intelligent Equipment Co ltd
Priority date: 2022-01-29
Filing date: 2022-01-29
Publication date: 2022-08-19
Anticipated expiration: 2032-01-29

Abstract

The utility model relates to the technical field of mold clamping devices, in particular to a mold clamping device, which comprises a clamping device seat body, wherein a compression template is movably connected to the clamping device seat body, and one end of the compression template extends out of the clamping device seat body and is used for clamping a mold; one end of the clamp base body, far away from the die, is movably connected with an oil pressure component through a connecting block, and the oil pressure component can work with the pressing die plate in a matched mode to clamp the die. The utility model provides a mould binding clasp wherein sets up the connecting block and makes binding clasp pedestal and hydro-cylinder seat swing joint for the oil pressure part of during operation can not influenced the perk by binding clasp pedestal and die plate, and the oil pressure part atress is even, and the special construction between spacing portion and the spacing groove in addition is face atress at the during operation, is favorable to binding clasp pedestal atress even, makes the difficult drawing crack of mould binding clasp, is favorable to improving the life of mould binding clasp.

Description

Mold clamping device

Technical Field

The utility model relates to a mould binding clasp technical field especially relates to a mould binding clasp.

Background

In machining, it is often necessary to mount various molds on a countertop, an important step of which is to secure and clamp the molds. In the prior art, the clamping die has both manual clamping and automatic clamping. The automatic mold clamping device generally uses a motor, a hydraulic device or a pneumatic device and other power devices to realize automatic clamping, and the device is generally suitable for mold equipment with high automation degree or large-specification mold equipment.

In the prior art, the die clamper is integrally (refer to fig. 1) installed on a machine table 6, in the using process, due to the stress relationship of the die pressing plate 2, one end of the die pressing plate 2 clamps the die 3, the clamping end of the clamper base body 1 is upwarped, the oil cylinder base 51 is pressed downwards to form two point stress A, B, and the structure enables the clamper to be easily cracked, so that the service life of the clamper is shortened.

To above problem, the utility model provides a mould binding clasp.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims to solve the problem lie in to above-mentioned prior art in not enough, provide a mould binding clasp, the binding clasp pedestal that can solve among the prior art is a whole, because the relation of atress in the use, the binding clasp main part presss from both sides the end upwarping, and the hydro-cylinder end pushes down, forms two some atresss, and this structure makes the easy-to-draw of binding clasp split and then reduces the problem of the life of binding clasp.

(II) technical scheme

The utility model provides a technical scheme that above-mentioned technical problem adopted is: a mold clamping device comprises a clamping device base body, wherein a pressing template is movably connected to the clamping device base body, and one end of the pressing template extends out of the clamping device base body and is used for clamping a mold;

one end of the clamp base body, which is far away from the mould, is movably connected with an oil pressure component through a connecting block, and the oil pressure component can work with the die plate in a matched manner to clamp the mould.

In the structure, when the oil pressure component works, the upper end of the oil pressure component moves upwards to eject one end of the die plate, so that the other end of the die plate clamps the die; the setting of connecting block also makes the binding clasp pedestal can not receive dragging of oil pressure part for the difficult spalling of mould binding clasp is favorable to improving mould binding clasp's life.

Preferably, the oil pressure component comprises an oil cylinder seat connected with the connecting block, an oil cylinder piston body and an oil cylinder piston cover are mounted on the oil cylinder seat, and a return spring is mounted between the oil cylinder piston body and the oil cylinder piston cover.

In the structure, oil pressure enters the oil cylinder through the oil inlet of the oil cylinder seat, the oil pressure drives the piston body of the oil cylinder to move upwards, and then the upward acting force is given to the die plate to push out one end of the die plate upwards; when the oil pressure is not available, the piston body of the oil cylinder resets under the action of the reset spring, the die plate also resets, and the clamping effect of the die plate on the die is relieved.

Preferably, one end of the connecting block is fixedly connected with the clamping device base body, and the other end of the connecting block is movably connected with the oil cylinder base.

In the structure, the structure is favorable for enabling the clamping device base body and the oil cylinder base to be stressed uniformly, and the problem that the service life of the clamping device is shortened due to the fact that the mold clamping device is easy to tear as a whole can be effectively solved.

Preferably, a circular mounting hole penetrates through the connecting block and is provided with a mounting bolt;

the two opposite sides of one end, far away from the die, of the clamp base body are respectively provided with a first groove matched with the connecting block, a screw hole matched with the mounting bolt is formed in the first groove, the mounting bolt penetrates through the circular mounting hole and is mounted in the screw hole, and one side of the connecting block is fixed on the clamp base body.

In the structure, the circular mounting holes are provided with two vertical mounting holes arranged on one side of the connecting block, when the connecting block is mounted, one end of the connecting block is located in the first groove, and the other end of the connecting block extends out of the first groove.

Preferably, a waist-shaped mounting hole is arranged on one side of the connecting block, which is far away from the clamping device seat body, in a penetrating manner, and a mounting pin is matched with the waist-shaped mounting hole;

the oil cylinder base is provided with a kidney-shaped mounting hole, the kidney-shaped mounting hole is formed in the kidney-shaped mounting hole, the connecting block is provided with a connecting block matched with the connecting block, a second groove matched with the connecting block is formed in the two opposite sides of the oil cylinder base, a nail hole matched with the mounting pin is formed in the second groove, the mounting pin penetrates through the kidney-shaped mounting hole and is mounted into the nail hole, the mounting pin is movably connected with the kidney-shaped mounting hole, the oil cylinder base is movably mounted on the connecting block, and the clamp base body and the oil cylinder base can move up and down relatively.

In the structure, the waist shape mounting hole is provided with two and vertical settings and is in the connecting block is kept away from one side of circular mounting hole, when the installation, the connecting block is kept away from the one end of first recess is located in the second recess, through the installation pin waist shape mounting hole and the cooperation between the nail hole makes the connecting block with sliding connection between the second recess, and then make the connecting block relatively can carry out certain limit in the second mounting groove up or move down, promptly the binding clasp pedestal with the hydro-cylinder seat can reciprocate relatively.

Preferably, the upper end of the clamp seat body is provided with a mounting groove with a U-shaped structure, the mounting groove is matched with the compression molding plate, and a shaft hole is arranged on the clamp seat body in a penetrating manner at a position opposite to the mounting groove;

the die plate is arranged in the mounting groove, a through hole is formed in the die plate, a rotating shaft is connected in the through hole in a rotating mode, and two ends of the rotating shaft are fixed in the shaft hole.

In the structure, the compression moulding board is arranged in the mounting groove and connected through the rotating shaft, so that the compression moulding board can rotate around the rotating shaft in the mounting groove to use the rotating shaft as a stressed fulcrum.

Preferably, the die plate is provided with a clamping end and a bearing end, the clamping end and the bearing end are respectively positioned at two ends of the die plate and at two sides of the through hole, the clamping end extends out of the clamper base body, and the lower end face of the clamping end can be contacted with a die; the lower end of the bearing end can be in contact with the oil cylinder piston cover.

When the hydraulic clamping device works specifically, when oil pressure enters the oil cylinder seat, the oil pressure drives the oil cylinder piston cover to move upwards, the upper end of the oil cylinder piston cover props against the bearing end of the pressing template, so that the bearing end of the pressing template rotates upwards around the rotating shaft, the clamping end of the pressing template rotates downwards around the rotating shaft, and clamping force is generated to realize the effect that the clamping end clamps a mold (or other objects needing to be fixed); when the oil pressure is lost, the piston cover of the oil cylinder is reset under the action of the reset spring, and the die plate loses upward force, so that the clamping force of the die plate disappears, and the clamping effect on the die is relieved.

Preferably, the lower end of the clamp seat body is connected with a limiting part of a T-shaped structure, the limiting part and the clamp seat body are integrally formed, and a machine table for installing the mold clamp is provided with a limiting groove matched with the limiting part.

At specific during operation, at the tight in-process of clamp, the effect of pressurized template and pivot makes the binding clasp pedestal in the atress, the binding clasp pedestal is parallel to be shifted up, spacing portion rebound to taut in the spacing groove, spacing portion is whole atress in spacing groove the inside, the mesa of hydro-cylinder seat bottom surface complete contact board, the hydro-cylinder seat is whole plane atress also, this structure makes the endurance of spacing portion reach the biggest endurance strength, durable and difficult stretch-breaking, also has the effect of protection spacing groove simultaneously.

(III) advantageous effects

1. The utility model provides a mold clamping device, wherein set up the connecting block and make binding clasp pedestal and hydro-cylinder seat swing joint for the oil pressure part of during operation can not influenced the perk by binding clasp pedestal and die plate, and the oil pressure part atress is even, and the special construction between spacing portion and the spacing groove in addition is face atress at the during operation, is favorable to binding clasp pedestal atress even, makes mold clamping device be difficult for drawing the fracture, is favorable to improving mold clamping device's life.

2. The utility model provides a mold clamping device, wherein at the tight in-process of clamp, the effect of compression template and pivot makes the binding clasp pedestal in the atress, the binding clasp pedestal is parallel to be shifted up, spacing portion rebound to taut in the spacing groove, spacing portion is whole atress inside the spacing groove, the mesa of hydro-cylinder seat bottom surface complete contact board, the hydro-cylinder seat is whole plane atress also, this structure makes the endurance of spacing portion reach the biggest endurance strength, durable and difficult drawing crack, also there is the effect of protection spacing groove simultaneously.

3. The utility model provides a mold clamping device, wherein waist shape mounting hole is provided with two and vertical setting and is in the connecting block is kept away from one side of circular mounting hole when the installation, the connecting block is kept away from the one end of first recess is located in the second recess, through the installation pin waist shape mounting hole and cooperation between the nail hole makes the connecting block with sliding connection between the second recess, and then make the connecting block can carry out certain limit in the second mounting groove relatively up or move down, promptly the binding device pedestal with the hydro-cylinder seat can reciprocate relatively.

Drawings

FIG. 1 is a schematic view of a prior art mold clamp configuration;

FIG. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a schematic view of the overall exploded structure of the present invention;

FIG. 4 is a schematic view of the overall clamping state structure of the present invention;

fig. 5 is a right side view of the overall structure of the present invention.

Wherein: the clamp comprises a clamp base body 1, a first groove 11, a screw hole 12, a mounting groove 13, a shaft hole 14, a limiting part 15, a die plate 2, a through hole 21, a rotating shaft 22, a clamping end 23, a bearing end 24, a die 3, a connecting block 4, a circular mounting hole 40, a kidney-shaped mounting hole 400, an oil pressure part 5, an oil cylinder base 51, an oil cylinder piston body 52, an oil cylinder piston cover 53, a return spring 54, a second groove 55, a nail hole 56 and a machine table 6.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Referring to fig. 2 to 5, a mold clamping device includes a clamping device base body 1, a pressing plate 2 is movably connected to the clamping device base body 1, and one end of the pressing plate 2 extends out of the clamping device base body 1 to clamp a mold 3;

referring to fig. 2-3, an oil pressure component 5 is movably connected to one end of the clamping device base 1, which is far away from the mold 3, through a connecting block 4, and the oil pressure component 5 can cooperate with the die plate 2 to clamp the mold 3.

In the structure, when the oil pressure component 5 works, the upper end of the oil pressure component 5 moves upwards to eject one end of the die plate 2, so that the other end of the die plate 2 clamps the die 3, in the clamping process, the oil pressure component 5 provides an upward acting force for the other end of the die plate 2, the die 3 provides an upward reaction force for one end of the die plate 2, and the connecting block 4 enables the oil pressure component 5 and the clamp base body 1 to be movably connected, so that the oil pressure component 5 cannot be affected by the clamp base body 1 and the die plate 2 to tilt, and the oil pressure component 5 is stressed uniformly; the connecting block 4 is arranged, so that the clamp base body 1 cannot be dragged by the oil pressure component 5, the die clamp is not easy to crack, and the service life of the die clamp is prolonged.

The oil pressure component 5 comprises an oil cylinder seat 51 connected with the connecting block 4, an oil cylinder piston body 52 and an oil cylinder piston cover 53 are mounted on the oil cylinder seat 51, and a return spring 54 is mounted between the oil cylinder piston body 52 and the oil cylinder piston cover 53.

In the structure, oil pressure enters the oil cylinder through an oil inlet of the oil cylinder seat 51, the oil pressure drives the oil cylinder piston body 52 to move upwards, and then the upward acting force of the die plate 2 is given to push out one end of the die plate 2 upwards; when the oil pressure is low, the cylinder piston body 52 is returned by the return spring 54, and the die plate 2 is also returned, thereby releasing the clamping action of the die plate 2 on the mold 3.

One end of the connecting block 4 is fixedly connected with the clamper base body 1, and the other end of the connecting block 4 is movably connected with the oil cylinder base 51.

In the structure, the structure is beneficial to enabling the clamping device base body 1 and the oil cylinder base 51 to be stressed uniformly, and the problem that the service life of the clamping device is shortened due to the fact that the mold clamping device is easy to tear as a whole can be effectively avoided.

A circular mounting hole 40 penetrates through the connecting block 4 and is provided with a mounting bolt;

the two opposite sides of one end, far away from the die 3, of the clamp base body 1 are respectively provided with a first groove 11 matched with the connecting block 4, a screw hole 12 matched with the mounting bolt is formed in the first groove 11, the mounting bolt penetrates through the circular mounting hole 40 and is installed in the screw hole 12, and one side of the connecting block 4 is fixed on the clamp base body 1.

In the structure, the two circular mounting holes 40 are vertically arranged on one side of the connecting block 4, when the connecting block 4 is mounted, one end of the connecting block 4 is located in the first groove 11, and the other end of the connecting block 4 extends out of the first groove 11.

A waist-shaped mounting hole 400 is arranged on one side, far away from the clamper base body 1, of the connecting block 4 in a penetrating manner and is provided with a mounting pin;

the two opposite sides of the oil cylinder seat 51 are provided with second grooves 55 matched with the connecting blocks 4, nail holes 56 matched with the mounting pins are formed in the second grooves 55, the mounting pins penetrate through the waist-shaped mounting holes 400 and are mounted in the nail holes 56, the mounting pins are movably connected with the waist-shaped mounting holes 400, the oil cylinder seat 51 is movably mounted on the connecting blocks 4, and the clamp seat body 1 and the oil cylinder seat 51 can move up and down relatively.

In the above structure, waist shape mounting hole 400 is provided with two and vertical settings and is in connecting block 4 keeps away from one side of circular mounting hole 40, and when the installation, connecting block 4 keeps away from the one end of first recess 11 is located in second recess 55, through the installation pin the waist shape mounting hole 400 and the cooperation between the nail hole 56 makes connecting block 4 with sliding connection between the second recess 55 makes connecting block 4 relatively can carry out certain extent in second mounting groove 13 upwards or move down, promptly clamp pedestal 1 with cylinder block 51 can reciprocate relatively.

The upper end of the clamp seat body 1 is provided with a mounting groove 13 with a U-shaped structure, the mounting groove 13 is matched with the compression moulding board 2, and a shaft hole 14 is arranged on the clamp seat body 1 in a penetrating way at a position opposite to the mounting groove 13;

the die pressing plate 2 is arranged in the mounting groove 13, a through hole 21 is formed in the die pressing plate 2, a rotating shaft 22 is connected to the through hole 21 in a rotating mode, and two ends of the rotating shaft 22 are fixed in the shaft holes 14.

In the structure, the die plate 2 is arranged in the mounting groove 13 and connected through the rotating shaft 22, so that the die plate 2 can rotate around the rotating shaft 22 in the mounting groove 13, and the rotating shaft 22 is used as a stressed fulcrum.

The die plate 2 is provided with a clamping end 23 and a bearing end 24, the clamping end 23 and the bearing end 24 are respectively positioned at two ends of the die plate 2 at two sides of the through hole 21, the clamping end 23 extends out of the clamp seat body 1, and the lower end surface of the clamping end 23 can be in contact with the die 3; the lower end of the receiving end 24 can contact the cylinder piston cap 53.

During specific work, when oil pressure enters the oil cylinder seat 51, the oil pressure drives the oil cylinder piston cover 53 to move upwards, the upper end of the oil cylinder piston cover 53 is abutted against the bearing end 24 of the die plate 2, so that the bearing end 24 of the die plate 2 rotates upwards around the rotating shaft 22, the clamping end 23 of the die plate 2 rotates downwards around the rotating shaft 22, and clamping force is generated to realize the effect that the clamping end 23 clamps the die 3 or other objects needing to be fixed; when the oil pressure is lost, the cylinder piston cap 53 is reset by the reset spring 54, and the die plate 2 loses the upward force, so that the clamping force of the die plate 2 disappears, and the clamping action on the die 3 is released.

Referring to fig. 4-5, the lower end of the holder body 1 of the clamping device is connected with a limiting portion 15 having a "T" shaped structure, the limiting portion 15 and the holder body 1 are integrally formed, and a machine table 6 on which the die clamping device is mounted is provided with a limiting groove matched with the limiting portion 15.

When the clamping device is in specific work, in the clamping process, the pressure template 2 and the rotating shaft 22 are used, so that the clamping device base body 1 is stressed, the clamping device base body 1 moves upwards in parallel, the limiting part 15 moves upwards in the limiting groove to be tensioned, the limiting part 15 is subjected to whole stress in the limiting groove, the bottom surface of the oil cylinder base 51 is completely contacted with the table top of the machine table 6 and is subjected to surface stress during work, the oil cylinder base 51 is also subjected to whole plane stress, the structure enables the endurance of the limiting part 15 to achieve the maximum endurance strength, the clamping device is durable and not easy to stretch and crack, and meanwhile, the effect of protecting the limiting groove is achieved.

The utility model discloses in set up connecting block 4 and make binding clasp pedestal 1 and hydro-cylinder seat 51 swing joint for the oil pressure part 5 of during operation can not receive binding clasp pedestal 1 and die plate 2 to influence the perk, the 5 atress of oil pressure part is even, and the special construction between spacing portion 15 and the spacing groove in addition is face atress at the during operation, is favorable to binding clasp pedestal 1 atress even, makes the difficult drawing crack of mould binding clasp, is favorable to improving the life of mould binding clasp.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The mold clamping device is characterized by comprising a clamping device base body (1), wherein a compression template (2) is movably connected to the clamping device base body (1), and one end of the compression template (2) extends out of the clamping device base body (1) and is used for clamping a mold (3);

one end of the clamp base body (1) far away from the die (3) is movably connected with an oil pressure component (5) through a connecting block (4), and the oil pressure component (5) can work in cooperation with the die plate (2) to clamp the die (3).

2. The mold gripper of claim 1, wherein: the oil pressure component (5) comprises an oil cylinder seat (51) connected with the connecting block (4), an oil cylinder piston body (52) and an oil cylinder piston cover (53) are installed on the oil cylinder seat (51), and a return spring (54) is installed between the oil cylinder piston body (52) and the oil cylinder piston cover (53).

3. The mold gripper of claim 2, wherein: one end of the connecting block (4) is fixedly connected with the clamping device base body (1), and the other end of the connecting block (4) is movably connected with the oil cylinder base (51).

4. A mold clamp according to claim 3, wherein: a circular mounting hole (40) penetrates through the connecting block (4) and is provided with a mounting bolt;

both sides that the mould (3) was kept away from in binding clasp pedestal (1) one end is relative all be provided with connecting block (4) assorted first recess (11), be provided with in first recess (11) with mounting bolt assorted screw (12), through mounting bolt runs through circular mounting hole (40) is installed into in screw (12), will one side of connecting block (4) is fixed in on binding clasp pedestal (1).

5. A mold clamp according to claim 3, wherein: a waist-shaped mounting hole (400) is arranged on one side, far away from the clamping device base body (1), of the connecting block (4) in a penetrating mode and is provided with a mounting pin;

relative both sides all are provided with on hydro-cylinder seat (51) with connecting block (4) assorted second recess (55), be provided with in second recess (55) with installation pin assorted nail hole (56), through the installation pin runs through waist shape mounting hole (400) is installed and is advanced in nail hole (56), the installation pin with waist shape mounting hole (400) swing joint makes hydro-cylinder seat (51) swing joint be in on connecting block (4), clamp pedestal (1) with hydro-cylinder seat (51) can reciprocate relatively.

6. The mold gripper of claim 2, wherein: the upper end of the clamp seat body (1) is provided with a mounting groove (13) with a U-shaped structure, the mounting groove (13) is matched with the compression moulding plate (2), and a shaft hole (14) penetrates through the position, which is opposite to the mounting groove (13), on the clamp seat body (1);

the die pressing plate (2) is arranged in the mounting groove (13), a through hole (21) is formed in the die pressing plate (2), a rotating shaft (22) is connected to the through hole (21) in a rotating mode, and two ends of the rotating shaft (22) are fixed in the shaft holes (14).

7. The mold gripper of claim 6, wherein: the die plate (2) is provided with a clamping end (23) and a bearing end (24), the clamping end (23) and the bearing end (24) are respectively positioned at two ends of the die plate (2) and at two sides of the through hole (21), the clamping end (23) extends out of the clamp base body (1), and the lower end face of the clamping end (23) can be in contact with the die (3); the lower end of the bearing end (24) can be in contact with the oil cylinder piston cover (53).

8. The mold gripper of claim 1, wherein: the lower end of the clamp base body (1) is connected with a limiting part (15) of a T-shaped structure, the limiting part (15) and the clamp base body (1) are integrally formed, and a limiting groove matched with the limiting part (15) is formed in a machine table (6) for installing the die clamp.