CN221537872U

CN221537872U - Die clamping structure for machining

Info

Publication number: CN221537872U
Application number: CN202322535075.7U
Authority: CN
Inventors: 王伟波; 王少峰
Original assignee: Luoyang Tongquan Mechanical Equipment Manufacturing Co ltd
Current assignee: Luoyang Tongquan Mechanical Equipment Manufacturing Co ltd
Priority date: 2023-09-14
Filing date: 2023-09-14
Publication date: 2024-08-16
Anticipated expiration: 2033-09-14

Abstract

The utility model discloses a die clamping structure for machining, which comprises the following components: two sets of clamping structures. The movable part and the fixed part of the equipment body are respectively provided with a group of clamping structures which are respectively used for clamping the fixed die and the movable die. The two groups of clamping structures can clamp the fixed die, the movable die, the upper, lower, left and right directions of the fixed die and the movable die respectively, and the first clamping block and the second clamping block can be conveniently detached or assembled by driving of the first hydraulic cylinder and the second hydraulic cylinder, so that the dies of different sizes and different types can be flexibly replaced on one device, and the processing of products of different sizes and different types can be completed, and the device has higher production and economic benefits.

Description

Die clamping structure for machining

Technical Field

The utility model relates to the technical field of dies, in particular to a die clamping structure for machining.

Background

The die is a tool for manufacturing molded articles, and is widely used for molding processing of blanking, die forging, cold heading, extrusion, injection molding and other processes. The mould generally comprises a movable mould and a fixed mould which can be separated and combined, and taking out the workpiece when the workpiece is separated, and injecting the blank into the die cavity for forming when the workpiece is closed.

In the existing molding processing of most factories, because the die is difficult to replace, only one size of product can be processed on one device, but multiple sizes of one product cannot be processed, and the die is difficult to replace to process other products. In some small factories, it is often difficult to process a wide variety of products with a wide range of sizes because of the inability to purchase many pieces of equipment.

Disclosure of utility model

The application provides a die clamping structure for machining, which can solve the problem that a die on molding and machining equipment is difficult to replace.

In the present application, there is provided a mold clamping structure for machining, comprising: two groups of clamping structures are respectively arranged on the moving part and the fixed part of the equipment body, and each group of clamping structure comprises two transverse clamping parts and two longitudinal clamping parts; each transverse clamping part comprises a first hydraulic cylinder and first clamping blocks, wherein the two first clamping blocks are respectively positioned on the left side and the right side of the front end of the fixed part and are connected with the fixed part in a sliding manner along the left-right direction, the two first clamping blocks are respectively positioned on the left side and the right side of the rear end of the moving part and are connected with the moving part in a sliding manner along the left-right direction, and each first hydraulic cylinder is used for driving one first clamping block to slide; each longitudinal clamping part comprises a second hydraulic cylinder and second clamping blocks, wherein the two second clamping blocks are respectively positioned on the upper side and the lower side of the front end of the fixing part and are respectively connected with the fixing part in a sliding mode along the vertical direction, the two second clamping blocks are respectively positioned on the upper side and the lower side of the rear end of the moving part and are respectively connected with the moving part in a sliding mode along the vertical direction, and each second hydraulic cylinder is respectively used for driving one second clamping block to slide.

In one embodiment, on the fixing portion, one end of each of the two first clamping blocks, which is close to each other, is provided with a first limiting block, each of the left and right ends of the fixing mold is provided with a first groove, the first limiting blocks can be inserted into the first grooves, on the moving portion, one end of each of the two first clamping blocks, which is close to each other, is provided with a fourth limiting block, each of the left and right ends of the moving mold is provided with a fourth groove, and the fourth limiting blocks can be inserted into the fourth grooves; on the fixed part, two one ends of the second clamping blocks, which are close to each other, are respectively provided with a second limiting block, the upper end and the lower end of the fixed die are respectively provided with a second groove, the second limiting blocks can be inserted into the second grooves, one ends of the two second clamping blocks, which are close to each other, on the moving part are respectively provided with a third limiting block, the upper end and the lower end of the movable die are respectively provided with a third groove, and the third limiting blocks can be inserted into the third grooves.

In one embodiment, the fixed part and the moving part are provided with a first chute along the left-right direction, and the first chute is used for providing a sliding connection position for the first clamping block; the fixed part and the moving part are respectively provided with a second chute along the vertical direction, and the second chute is used for providing a sliding connection position for the second clamping block.

In one embodiment, a first through hole and a second through hole are disposed at the upper end of the device body, the first through hole is located above the fixed die mounting position, and the second through hole is located above the movable die mounting position.

In summary, in the present application, the mold clamping structure for machining has the following advantages compared with the prior art: the two groups of clamping structures can clamp the fixed die, the movable die, the upper, lower, left and right directions of the fixed die and the movable die respectively, and the first clamping block and the second clamping block can be conveniently detached or assembled by driving of the first hydraulic cylinder and the second hydraulic cylinder, so that the dies of different sizes and different types can be flexibly replaced on one device, and the processing of products of different sizes and different types can be completed, and the device has higher production and economic benefits.

Drawings

In order to better and clearly describe the embodiments of the present application or the technical solutions in the background art, the following description will describe the drawings used in the embodiments of the present application or the background art.

FIG. 1 is an overall structural view of a mold clamping structure for machining;

FIG. 2 is an elevation view of a mold clamping structure for machining;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

fig. 4 is an enlarged view of region B in fig. 3.

In the figure, 1, a moving part; 2. a fixing part; 3. an equipment body; 4. fixing a die; 5. moving the mold; 6. a lateral clamping portion; 7. a first hydraulic cylinder; 8. a first clamping block; 9. a first limiting block; 11. a first chute; 12. a first through opening; 13. a longitudinal clamping portion; 14. a second hydraulic cylinder; 15. a second clamping block; 18. a second chute; 19. and a second through hole.

Detailed Description

The following describes the embodiments of the present utility model further with reference to the attached drawings; the following examples are illustrative of the utility model and are not intended to limit the scope of the utility model. And the described embodiments are some, but not all embodiments of the present disclosure. All other embodiments, which can be made by one of ordinary skill in the art without the need for inventive faculty, are within the scope of the present disclosure, based on the described embodiments of the present disclosure.

Unless defined otherwise, technical or scientific terms used in this disclosure should be given the ordinary meaning as understood by one of ordinary skill in the art. The terms "first," "second," and the like, as used in this disclosure, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.

Referring to fig. 1, in the present utility model, the direction of the moving mold 5 in the apparatus body 3 approaching the fixed mold 4 is set to be backward, and the opposite direction is set to be forward; the other two directions perpendicular to the front-rear direction in the horizontal plane are left and right respectively.

Referring to fig. 2, a mold clamping structure for machining includes: two sets of clamping structures. The moving part 1 and the fixed part 2 of the equipment body 3 are respectively provided with a group of clamping structures which are respectively used for clamping the fixed die 4 and the moving die 5.

Referring to fig. 1 to 4, in one embodiment, each set of the clamping structures includes two lateral clamping portions 6 and two longitudinal clamping portions 13. Each of said lateral clamping portions 6 comprises a first hydraulic cylinder 7, a first clamping block 8. On the fixed part 2, two first clamp splice 8 are located respectively the left and right sides of fixed part 2 front end, all along left and right directions sliding connection in fixed part 2, in the vertical direction, two first clamp splice 8 all are located same height and are located fixed part 2's intermediate position, two first clamp splice 8 can follow fixed die 4's left and right sides both ends accomplish the centre gripping to fixed die 4.

Referring to fig. 1, each of the first hydraulic cylinders 7 is configured to drive one of the first clamping blocks 8 to slide. In one embodiment, the cylinders of the two first hydraulic cylinders 7 are fixedly mounted on the left and right sides of the fixing portion 2 in the left and right directions, and the ends of the telescopic rods are fixedly connected to one of the first clamping blocks 8 respectively by welding.

Referring to fig. 1, on the moving portion 1, two first clamping blocks 8 are respectively located at left and right sides of a rear end of the moving portion 1, and are slidably connected to the moving portion 1 along left and right directions, and in a vertical direction, the two first clamping blocks 8 are located at the same height and at a middle position of the moving portion 1, and the two first clamping blocks 8 can complete clamping of the moving mold 5 from left and right ends of the moving mold 5.

Referring to fig. 1, in one embodiment, the cylinders of the two first hydraulic cylinders 7 are fixedly mounted on the left and right sides of the moving portion 1 along the left and right directions, and the ends of the telescopic rods are fixedly connected to one of the first clamping blocks 8 respectively by welding.

Referring to fig. 1, in one embodiment, each of the longitudinal clamping portions 13 includes a second hydraulic cylinder 14 and a second clamping block 15. On the fixed part 2, two second clamp blocks 15 are respectively located on the upper and lower sides of the front end of the fixed part 2, and are both connected to the fixed part 2 in a vertical sliding manner, in the left-right direction, two second clamp blocks 15 are both located at the middle position of the fixed part 2, and two second clamp blocks 15 can complete clamping of the fixed die 4 from the upper and lower ends of the fixed die 4.

Referring to fig. 1, each of the second hydraulic cylinders 14 is configured to drive one of the second clamping blocks 15 to slide. In one embodiment, the cylinders of the two second hydraulic cylinders 14 are fixedly mounted on the upper and lower sides of the fixing portion 2 in the vertical direction, and the ends of the telescopic rods of the two second hydraulic cylinders are fixedly connected to one second clamping block 15 respectively by welding.

Referring to fig. 1, on the moving portion 1, two second clamping blocks 15 are respectively located at the upper and lower sides of the rear end of the moving portion 1, and are both connected to the moving portion 1 in a vertically sliding manner, and in the left-right direction, two second clamping blocks 15 are both located at the middle position of the moving portion 1, and the two second clamping blocks 15 can complete clamping of the moving mold 5 from the upper and lower ends of the moving mold 5.

Referring to fig. 1, in one embodiment, the cylinders of the two second hydraulic cylinders 14 are fixedly mounted on the upper and lower sides of the moving portion 1 along the vertical direction, and the ends of the telescopic rods are fixedly connected to one of the second clamping blocks 15 respectively by welding.

Referring to fig. 1, in one embodiment, on the fixing portion 2, one end of each of the two first clamping blocks 8, which is close to each other, is fixedly provided with a first limiting block 9 in an integrally formed manner, two left and right ends of the fixing mold 4 are respectively provided with a first groove, the shape and size of the first groove are matched with those of the first limiting block 9, and the first limiting block 9 can be inserted into the first groove to limit the fixing mold 4. Further, when the rear end of the fixing die 4 contacts the fixing portion 2, the first stopper 9 may be just inserted into the first groove.

Referring to fig. 4, on the moving portion 1, a fourth limiting block is fixedly disposed at each of two ends of the first clamping blocks 8, which are close to each other, in an integrally formed manner, and a fourth groove is disposed at each of the left and right ends of the moving mold 5, wherein the shape and size of the fourth groove are matched with those of the fourth limiting block, and the fourth limiting block can be inserted into the fourth groove to limit the moving mold 5. Further, when the front end of the moving die 5 contacts the moving part 1, the fourth stopper may be just inserted into the fourth groove. The setting like this, fixed part 2 is used for right fixed mould 4 carries out the back spacing and bears the pressure when the compound die, first stopper 9 can be right fixed mould 4 carries out preceding spacing, avoids dividing the mould the fixed mould 4 is deviate from forward, has improved stability.

On the fixed part 2, two second limiting blocks are respectively fixedly arranged at one ends of the second clamping blocks 15, which are close to each other, in an integrated forming manner, a second groove is respectively arranged at the upper end and the lower end of the fixed die 4, the shape and the size of the second groove are matched with those of the second limiting blocks, and the second limiting blocks can be inserted into the second grooves to limit the fixed die 4. Further, when the rear end of the fixing die 4 contacts the fixing portion 2, the second stopper may be just inserted into the second groove.

On the moving part 1, one end of each second clamping block 15, which is close to each other, is fixedly provided with a third limiting block in an integrated manner, the upper end and the lower end of the moving die 5 are respectively provided with a third groove, the shape and the size of the third groove are matched with those of the third limiting block, and the third limiting block can be inserted into the third groove to limit the moving die 5. Further, when the front end of the moving die 5 contacts the fixed portion 2, the third stopper may be just inserted into the third groove. The movable part 1 is used for limiting the movable mould 5 in the front and bearing the pressure during mould closing, the third limiting block can limit the movable mould 5 in the rear, the movable mould 5 is prevented from being pulled out backwards during mould separation, and the stability is improved.

Referring to fig. 1 and 4, in one embodiment, the fixed portion 2 and the moving portion 1 are respectively provided with a first chute 11 along a left-right direction, the first chute 11 is respectively concavely disposed on the fixed portion 2 and the moving portion 1, a cross section of the first chute 11 is in a convex shape, a portion of the first clamping block 8 in the first chute 11 is matched with a shape and a size of the first chute 11, and the first clamping block 8 is slidably connected to the fixed portion 2 and the moving portion 1 through the first chute 11. The fixed part 2 and the moving part 1 are respectively provided with a second chute 18 along the vertical direction, the second chute 18 is respectively concavely arranged on the fixed part 2 and the moving part 1, the cross section of the second chute 18 is in a convex shape, the part of the second clamping block 15 in the second chute 18 is matched with the shape and the size of the second chute 18, and the second clamping block 15 is connected with the fixed part 2 and the moving part 1 in a sliding way through the second chute 18. So arranged, the first runner 11 and the second runner 18 can support and guide the first clamping block 8 and the second clamping block 15.

Referring to fig. 1, in one embodiment, a first through hole 12 and a second through hole 19 are provided at the upper end of the apparatus body 3, where the first through hole 12 is located above the installation position of the fixed mold 4, and when the mold is heavy, the fixed mold 4 may be lifted from the first through hole 12 to the installation position by lifting. The second through-hole 19 is located above the installation position of the movable mold 5, and when the mold is heavy, the movable mold 5 may be lifted from the second through-hole 19 to the installation position by lifting.

Claims

1. A mold clamping structure for machining, comprising: two groups of clamping structures are respectively arranged on the moving part (1) and the fixed part (2) of the equipment body (3), and each group of clamping structures comprises two transverse clamping parts (6) and two longitudinal clamping parts (13); each transverse clamping part (6) comprises a first hydraulic cylinder (7) and first clamping blocks (8), two first clamping blocks (8) are respectively positioned on the left side and the right side of the front end of each fixed part (2), and are respectively connected with the fixed parts (2) in a sliding mode along the left-right direction, two first clamping blocks (8) are respectively positioned on the left side and the right side of the rear end of each movable part (1), and are respectively connected with the movable parts (1) in a sliding mode along the left-right direction, and each first hydraulic cylinder (7) is used for driving one first clamping block (8) to slide; every vertical clamping part (13) includes second pneumatic cylinder (14), second clamp splice (15) on fixed part (2), two second clamp splice (15) are located respectively the upper and lower both sides of fixed part (2) front end, all along vertical direction sliding connection in fixed part (2) on moving part (1), two second clamp splice (15) are located respectively the upper and lower both sides of moving part (1) rear end, all along vertical direction sliding connection in moving part (1), every second pneumatic cylinder (14) are used for driving one respectively second clamp splice (15) slides.

2. The mold clamping structure for machining according to claim 1, wherein on the fixed portion (2), one end of each of the two first clamping blocks (8) which is close to each other is provided with a first stopper (9), each of the left and right ends of the fixed mold (4) is provided with a first groove, the first stopper (9) can be inserted into the first groove, on the moving portion (1), one end of each of the two first clamping blocks (8) which is close to each other is provided with a fourth stopper, each of the left and right ends of the moving mold (5) is provided with a fourth groove, and the fourth stopper can be inserted into the fourth groove; on the fixed part (2), one end that is close to each other on two second clamp splice (15) respectively is provided with a second stopper, the upper and lower both ends of fixed mould (4) respectively are provided with a second recess, the second stopper can insert in the second recess on moving part (1), two one end that is close to each other on second clamp splice (15) respectively are provided with a third stopper, the upper and lower both ends of moving mould (5) respectively are provided with a third recess, the third stopper can insert in the third recess.

3. A die clamping structure for machining according to claim 1, wherein the fixed portion (2) and the moving portion (1) are each provided with a first slide groove (11) in the left-right direction for providing a slide connection position for the first clamp block (8); the fixed part (2) and the moving part (1) are respectively provided with a second chute (18) along the vertical direction, and the second chute is used for providing a sliding connection position for the second clamping block (15).

4. A die holding structure for machining according to claim 2, characterized in that the upper end of the apparatus body (3) is provided with a first through-opening (12) and a second through-opening (19), the first through-opening (12) being located above the mounting position of the stationary die (4), the second through-opening (19) being located above the mounting position of the movable die (5).