Refrigerator door liner punching die positioning structure

Abstract

The utility model relates to the technical field of positioning structures, and discloses a refrigerator door inner container punching die positioning structure which solves the problems that an existing positioning structure cannot quickly and conveniently position an inner container in a die, so that the punching precision of the inner container is affected, and the using effect of the positioning structure is poor. Supporting columns are fixedly installed at the four corners of the top of the device base correspondingly, a device top plate is fixedly installed among the tops of the four supporting columns, a lower mold is fixedly installed in the middle of the top of the device base, and a first driving air cylinder is fixedly installed in the middle of the top of the device top plate. The transmission end of the first driving air cylinder extends to the lower portion of the device top plate and is fixedly provided with a mounting block, an upper mold is arranged on the lower side of the mounting block, and elastic clamping assemblies are arranged on the two sides of the upper mold. The positioning structure can quickly and conveniently position the inner container in the die, so that the punching precision of the inner container is improved, and a very good using effect is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of positioning structures, in particular to a positioning structure for a punching die of a refrigerator door liner. Background Art

[0002] The refrigerator door is the outer shell of the refrigerator, and its main function is to protect the various components inside the refrigerator and serve as a channel for users to open and close the refrigerator; the refrigerator door is usually composed of an inner liner and an outer door; the inner liner can improve energy efficiency, and the insulating layer in the refrigerator inner liner can reduce energy loss. At the same time, the efficient operation of the cooling system also helps to improve the energy efficiency of the entire refrigerator; the existing patent (Announcement No.: CN219817664U) is a positioning structure for the punching die of the refrigerator door inner liner. The positioning structure is convenient for quickly adjusting the straightness of the positioning ribs, and the straightness of the positioning ribs is observed by a level ruler, which is convenient for the staff to adjust and avoid affecting the positioning of the inner liner; however, the positioning structure cannot quickly and conveniently position the inner liner inside the mold, thereby affecting the accuracy of the inner liner punching, and its use effect is not good. Utility Model Content

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a refrigerator door liner punching mold positioning structure, which effectively solves the problem that the existing positioning structure cannot quickly and conveniently position the liner inside the mold, thereby affecting the accuracy of liner punching and its use effect is poor.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a refrigerator door liner punching mold positioning structure, comprising a device base, the top four corners of the device base are fixedly installed with support columns, a device top plate is fixedly installed between the tops of the four support columns, a lower mold is fixedly installed in the middle of the top of the device base, a first driving cylinder is fixedly installed in the middle of the top of the device top plate, a transmission end of the first driving cylinder extends to the lower part of the device top plate and is fixedly installed with a mounting block, an upper mold is provided on the lower side of the mounting block, and elastic clamping components are provided on both sides of the upper mold.

[0005] Preferably, a mounting groove is provided in the middle of the lower surface of the mounting block, a second driving cylinder is fixedly installed on the top of the mounting groove, an upper mold is fixedly installed on the transmission end of the second driving cylinder, rectangular positioning grooves are provided on both sides of the lower surface of the mounting block, rectangular positioning slide bars are fixedly installed on both sides of the top of the upper mold, the two rectangular positioning slide bars are respectively inserted into the two rectangular positioning grooves, a first connecting rod is fixedly installed on the lower part of both sides of the mounting block, a second connecting rod is fixedly installed on the ends of the two first connecting rods away from each other, and a first pushing block is fixedly installed on the bottom of the two second connecting rods.

[0006] Preferably, the two elastic clamping assemblies each include a clamping positioning plate, the two clamping positioning plates are symmetrically arranged on both sides of the lower mold, the two clamping positioning plates are fixedly installed with a positioning friction pad on the side close to each other, and the two clamping positioning plates are fixedly installed with a moving rod on the side away from each other, the ends of the two moving rods away from each other extend to the outside of the lower mold and are fixedly installed with a second pushing block, and the surfaces of the two moving rods are provided with return springs, and the two ends of the two return springs are respectively fixedly connected to the second pushing block and the lower mold.

[0007] Preferably, a connecting block is fixedly installed at the bottom of the two second pushing blocks, a limiting sliding sleeve is fixedly installed at the bottom of the connecting block, a limiting sliding rod is inserted inside the two limiting sliding sleeves, and the ends of the two limiting sliding rods close to each other are fixedly connected to the two sides of the lower mold respectively.

[0008] Compared with the prior art, the beneficial effects of the utility model are:

[0009] During operation, the operator places the refrigerator door liner inside the lower mold, and then the operator starts the first driving cylinder to drive the mounting block to move downward. When the mounting block moves downward, the two first connecting rods and the two second connecting rods drive the two first pushing blocks to push the two second pushing blocks downward. When the two second pushing blocks are pushed, the clamping positioning plate and the positioning friction pad are driven to move inward through the moving rod, and the reset spring is squeezed at the same time. When the clamping positioning plate and the positioning friction pad move inward, the refrigerator door liner can be clamped and positioned;

[0010] When the second pushing block moves, it drives the limiting sliding sleeve to slide along the limiting sliding rod through the connecting block, thereby increasing the stability of the second pushing block when moving; after the refrigerator door liner is positioned, the operator starts the second driving cylinder to drive the upper mold to move downward, and when the upper mold moves downward, it drives the rectangular positioning sliding rod to slide along the rectangular positioning sliding groove, thereby increasing the stability of the upper mold when it moves downward, and when the upper mold moves downward, the refrigerator door liner can be punched and cut through the cooperation of the lower mold; this positioning structure enables the liner inside the mold to be positioned quickly and conveniently, thereby improving the accuracy of liner punching and cutting, and has a very good use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0012] In the attached picture:

[0013] Figure 1 It is a cross-sectional structural schematic diagram of the positioning structure of the punching die for the refrigerator door liner of the utility model;

[0014] Figure 2For this utility model Figure 1 A local enlarged structural diagram Figure 1 ;

[0015] Figure 3 For this utility model Figure 1 A local enlarged structural diagram Figure 2 ;

[0016] In the figure: 1. device base; 2. support column; 3. device top plate; 4. lower mold; 5. first drive cylinder; 6. mounting block; 7. upper mold; 8. mounting groove; 9. second drive cylinder; 10. rectangular positioning slide groove; 11. rectangular positioning slide rod; 12. first connecting rod; 13. second connecting rod; 14. first pushing block; 15. clamping positioning plate; 16. positioning friction pad; 17. moving rod; 18. second pushing block; 19. reset spring; 20. connecting block; 21. limiting sliding sleeve; 22. limiting sliding rod. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0018] Depend on Figures 1 to 3 The utility model includes a device base 1, the top four corners of the device base 1 are fixedly installed with support columns 2, a device top plate 3 is fixedly installed between the tops of the four support columns 2, a lower mold 4 is fixedly installed in the middle of the top of the device base 1, a first driving cylinder 5 is fixedly installed in the middle of the top of the device top plate 3, the driving end of the first driving cylinder 5 extends to the lower part of the device top plate 3 and is fixedly installed with a mounting block 6, an upper mold 7 is provided on the lower side of the mounting block 6, and elastic clamping components are provided on both sides of the upper mold 7; a mounting groove 8 is opened in the middle of the lower surface of the mounting block 6, and the inner part of the mounting groove 8 A second driving cylinder 9 is fixedly installed on the top, and an upper mold 7 is fixedly installed on the transmission end of the second driving cylinder 9. Rectangular positioning grooves 10 are provided on both sides of the lower surface of the mounting block 6. Rectangular positioning slide bars 11 are fixedly installed on both sides of the top of the upper mold 7. The two rectangular positioning slide bars 11 are respectively inserted into the two rectangular positioning grooves 10. A first connecting rod 12 is fixedly installed on the lower part of both sides of the mounting block 6. A second connecting rod 13 is fixedly installed on one end of the two first connecting rods 12 away from each other, and a first pushing block 14 is fixedly installed on the bottom of the two second connecting rods 13.

[0019] During work, the operator places the refrigerator door liner inside the lower mold 4, and then the operator starts the first driving cylinder 5 to drive the mounting block 6 to move downward. When the mounting block 6 moves downward, the two first pushing blocks 14 are driven downward by the two first connecting rods 12 and the two second connecting rods 13 to push the two elastic clamping components to move inward, so that the refrigerator door liner can be clamped and positioned. After the refrigerator door liner is positioned, the operator starts the second driving cylinder 9 to drive the upper mold 7 to move downward. When the upper mold 7 moves downward, it drives the rectangular positioning slide bar 11 to slide along the rectangular positioning slide groove 10, which increases the stability of the upper mold 7 when it moves downward. When the upper mold 7 moves downward, the refrigerator door liner can be punched through the cooperation of the lower mold 4; this allows the positioning structure to quickly and conveniently position the liner inside the mold, thereby improving the accuracy of liner punching and has a very good use effect.

[0020] The two elastic clamping assemblies each include a clamping positioning plate 15, the two clamping positioning plates 15 are symmetrically arranged on both sides of the lower mold 4, the two clamping positioning plates 15 are fixedly installed with a positioning friction pad 16 on the side close to each other, and the two clamping positioning plates 15 are fixedly installed with a moving rod 17 on the side away from each other, and the ends of the two moving rods 17 that are away from each other extend to the outside of the lower mold 4 and are fixedly installed with a second pushing block 18, and the surfaces of the two moving rods 17 are provided with a return spring 19, and the two ends of the two return springs 19 are respectively fixedly connected to the second pushing block 18 and the lower mold 4; the bottom of the two second pushing blocks 18 is fixedly installed with a connecting block 20, and the bottom of the connecting block 20 is fixedly installed with a limiting sleeve 21, and the inside of the two limiting sleeves 21 is inserted with a limiting slide rod 22, and the ends of the two limiting slide rods 22 that are close to each other are respectively fixedly connected to the two sides of the lower mold 4.

[0021] When the two second pushing blocks 18 are pushed, they drive the clamping positioning plate 15 and the positioning friction pad 16 to move inward through the moving rod 17, and simultaneously squeeze the return spring 19. When the clamping positioning plate 15 and the positioning friction pad 16 move inward, the inner liner of the refrigerator door can be clamped and positioned. When the second pushing blocks 18 move, they drive the limiting sliding sleeve 21 to slide along the limiting sliding rod 22 through the connecting block 20, thereby increasing the stability of the second pushing blocks 18 when moving.

Claims

1. A refrigerator door liner punching die positioning structure, comprising a device base (1), characterized in that: The top four corners of the device base (1) are fixedly mounted with support columns (2), a device top plate (3) is fixedly mounted between the tops of the four support columns (2), a lower mold (4) is fixedly mounted in the middle of the top of the device base (1), a first driving cylinder (5) is fixedly mounted in the middle of the top of the device top plate (3), a transmission end of the first driving cylinder (5) extends to the lower part of the device top plate (3) and is fixedly mounted with a mounting block (6), an upper mold (7) is arranged on the lower side of the mounting block (6), and elastic clamping components are arranged on both sides of the upper mold (7).

2. A refrigerator door liner punching die positioning structure according to claim 1, characterized in that: A mounting groove (8) is provided in the middle of the lower surface of the mounting block (6), a second driving cylinder (9) is fixedly installed at the top of the mounting groove (8), an upper mold (7) is fixedly installed at the transmission end of the second driving cylinder (9), rectangular positioning grooves (10) are provided on both sides of the lower surface of the mounting block (6), rectangular positioning slide bars (11) are fixedly installed on both sides of the top of the upper mold (7), and the two rectangular positioning slide bars (11) are respectively inserted into the inside of the two rectangular positioning grooves (10), first connecting rods (12) are fixedly installed at the lower part of both sides of the mounting block (6), second connecting rods (13) are fixedly installed at the ends of the two first connecting rods (12) away from each other, and first pushing blocks (14) are fixedly installed at the bottom of the two second connecting rods (13).

3. The refrigerator door liner punching mold positioning structure according to claim 1, characterized in that: The two elastic clamping assemblies each comprise a clamping positioning plate (15), the two clamping positioning plates (15) are symmetrically arranged on both sides of the lower mold (4), a positioning friction pad (16) is fixedly installed on the side of the two clamping positioning plates (15) close to each other, a moving rod (17) is fixedly installed on the side of the two clamping positioning plates (15) away from each other, the ends of the two moving rods (17) away from each other extend to the outside of the lower mold (4) and are fixedly installed with a second pushing block (18), the surfaces of the two moving rods (17) are provided with a return spring (19), and the two ends of the two return springs (19) are respectively fixedly connected to the second pushing block (18) and the lower mold (4).

4. A refrigerator door liner punching die positioning structure according to claim 3, characterized in that: The bottoms of the two second pushing blocks (18) are fixedly mounted with connecting blocks (20), the bottoms of the connecting blocks (20) are fixedly mounted with limiting sliding sleeves (21), the interiors of the two limiting sliding sleeves (21) are inserted with limiting sliding rods (22), and the ends of the two limiting sliding rods (22) that are close to each other are fixedly connected to the two sides of the lower mold (4) respectively.

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