CN112140220A - Punching equipment for inclined plane of refrigerator liner - Google Patents

Abstract

The invention discloses a punching device for the inclined surface of a refrigerator inner tank, and relates to the technical field of refrigerator manufacturing. The invention includes a base; a first support column and a second support column are vertically fixed on the upper surface of the base; a support plate is horizontally arranged between the first support column and the second support column; On the upper surface of the base; the upper surface of the support plate is provided with an installation opening; the installation opening is vertically inserted with a bearing frame; the bearing frame is fixed on the upper surface of the base; A positioning component for limiting the position of the inner tank port of the refrigerator; an ejector component is arranged between two positioning components located on the same side; a side punch component is arranged between the two pairs of positioning components. The invention not only has simple and reasonable structure design and convenient operation, but also effectively improves the punching efficiency of the inner tank of the refrigerator, and has high market application value.

Description

A kind of punching equipment for the inclined surface of the inner tank of the refrigerator

technical field

The invention belongs to the technical field of refrigerator manufacturing, and in particular relates to a punching device for the inclined surface of a refrigerator inner tank.

Background technique

At present, in the refrigerator industry, before pre-installation of the refrigerator, it is necessary to punch holes in the parts of the blister lining that need to pass through wires or plugs. When the conventional punching equipment in the prior art is in use, since the punching die structure is straight punched by the punch and the punch, the punch is affected by the lateral force during punching, the punch is deflected, and the punch is easily broken or passivated; At the same time, the gap on both sides of the convex and concave mold is offset, and burrs are generated when the inner tank is punched, which affects the assembly of the terminal. Therefore, there is an urgent need to develop a punching device for the inclined surface of a refrigerator inner liner, so as to solve the above problems.

SUMMARY OF THE INVENTION

The present invention is to provide a punching device for the inclined surface of a refrigerator inner tank, the purpose of which is to solve the problems raised in the above-mentioned background art.

In order to solve the above-mentioned technical problems, the present invention is achieved through the following technical solutions:

The invention relates to a punching device for the inclined surface of a refrigerator inner tank, comprising a base and a centralized control box fixed on the upper surface of the base; a first support column and a second support column are vertically fixed on the upper surface of the base. a support column; a support plate is horizontally arranged between the first support column and the second support column; the support plate is installed on the upper surface of the base through a plurality of lifting components; the lifting components are used to drive the support plate up and down The upper surface of the support plate is provided with an installation opening; a bearing frame is vertically inserted into the installation opening; the bearing frame is fixed on the upper surface of the base; the opposite sides of the bearing frame are provided with a A positioning assembly used to limit the port of the refrigerator inner tank; an ejector assembly for pushing up the refrigerator inner tank after punching is installed between the two positioning components located on the same side; two pairs of A side punch assembly for punching the edge of the port of the refrigerator inner tank is installed between the positioning components; the side punch assembly is arranged on one side of the carrier; the upper part of the carrier is arranged with a first mold side by side a bearing platform and a second die bearing platform; the upper part of the first die bearing platform is fixedly equipped with a pair of straight punch lower die bases, and one side of the straight punch lower die base is provided with an oblique punch lower die base The upper part of the two straight punching lower die bases is provided with a corresponding straight punching upper punch; the two straight punching upper punches are installed on the output end of the straight punching drive assembly; the straight punching drive assembly It is installed on the upper end of the first support column; the output end of the straight punching drive assembly is equipped with an oblique punching drive assembly; The upper punch is obliquely punched; one side of the second die bearing platform is provided with a first side die seat; one side of the first side die seat is provided with a corresponding first side punch; the first side punch The side punch is installed on the output end of a first side-punch telescopic part; the first side-punch telescopic part is installed on the upper end of the second support column.

Further, the lifting assembly includes a plurality of vertically arranged lifting rods and a pair of first telescopic parts; the lifting rods are installed between the support plate and the base; the first telescopic parts are vertically fixed to the support plate upper; the output end of the first telescopic component is connected with the upper surface of the base.

Further, the lifting assembly also includes a pair of symmetrically arranged second telescopic parts; the two second telescopic parts are respectively arranged on opposite sides of the side punch assembly; the output end of the second telescopic part is horizontally fixed with a A transmission bar; a pair of supporting blocks are symmetrically fixed on the upper surface of the transmission bar; the supporting plate is driven upward by the first telescopic part, and the supporting block is pushed into the bottom of the supporting plate by the second telescopic part, so as to support the supporting plate. The plate acts as an auxiliary support.

Further, a mounting plate is horizontally fixed on the lower part of the bearing frame; a third telescopic part is rotatably mounted on the upper surface of the mounting plate; a transmission rod is rotatably connected to the output end of the third telescopic part; the transmission rod One end of the mold is rotatably connected to the second mold carrier; the second mold carrier is slidably connected to the carrier.

Further, the positioning assembly includes a fixing frame and a fourth telescopic component installed on the upper surface of the support plate; a mounting plate is slidably installed on the upper part of the fixing frame; A support member for supporting and limiting the port of the refrigerator inner pot; a positioning member corresponding to the supporting member is installed at the output end of the fourth telescopic member; the positioning member is used to limit the position of the refrigerator inner pot.

Further, an upper edge of the fixing frame is provided with an upper edge; a side surface of the upper edge is vertically inserted with a first adjusting rod; one end of the first adjusting rod is rotatably connected to one side of the mounting plate A side support block is fixed at an edge of the mounting plate; a second adjustment rod is vertically inserted through one side of the side support block; the second adjustment rod is vertically arranged with the first adjustment rod; the second adjustment rod One end of the rod is rotatably connected to one side of the support member.

Further, the ejector assembly includes a fifth telescopic member vertically fixed on the upper surface of the support plate; a top block is fixed horizontally at the output end of the fifth telescopic member; the upper surface of the top block can be connected with the interior of the refrigerator. Gall ports are offset.

Further, the side punch assembly includes a second side punch telescopic part horizontally fixed above the support plate; the output end of the second side punch telescopic part is rotatably connected to a drive block; the lower part of the drive block is rotatably connected to the support on the upper surface of the plate; a second side punch is fixedly connected to the driving block; a corresponding second side die seat is arranged below the second side punch; the second side punch seat is fixed on the support on the upper surface of the board.

Further, the direct flush drive assembly includes a sixth telescopic component vertically arranged; the sixth telescopic component is fixed on the upper end of the first support column; a power block is fixed at the output end of the sixth telescopic component; The straight punch upper punch is fixed on the lower part of the power block; the oblique punch drive assembly is obliquely fixed on one side of the power block.

Further, a side surface of the first support column is provided with a safety pin assembly corresponding to the straight-through drive assembly; the safety pin assembly is used to limit the position of the straight-through drive assembly after reset.

The present invention has the following beneficial effects:

In the invention, the refrigerator inner tank is buckled upside down on the bearing frame, the lifting component is used to realize the up and down adjustment of the support plate to meet the size requirements of the refrigerator inner tank, and the positioning component is used to lock the refrigerator inner tank port, so as to realize the adjustment of the refrigerator inner tank. The positioning of the inner tank; the straight-punch upper punch and the oblique-punch drive assembly are driven to move downward by the straight-punch drive assembly; after the straight-punch upper punch realizes and completes the punching of the refrigerator liner, the oblique-punch drive assembly drives the oblique-punch up The punch realizes oblique punching; when the oblique punch upper punch and the oblique punch lower die base are closed, the first side punch telescopic part drives the first side punch to cooperate with the first side punch die base, and the side punch assembly also realizes the inside of the refrigerator. Punching of the bladder port; after the side punching of the inner bladder of the refrigerator is completed, the first side punching telescopic part and the side punching assembly are reset after the linear drive assembly is reset; then, the positioning assembly is reset, and the ejector assembly pushes the refrigerator inner bladder upwards. The worker takes away the punched refrigerator liner; finally, the lifting assembly is reset to complete the punching process of a refrigerator liner; through the above punching process, the lateral force of the mold can be effectively avoided, and the damage and Maintenance, improves the utilization rate of the mold, but also reduces the burr caused by the gap offset, increases the accuracy of the punching of the lining, and has a high market application value.

Of course, it is not necessary for any product embodying the present invention to achieve all of the above-described advantages simultaneously.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

FIG. 1 is a schematic structural diagram of a punching device for the inclined surface of a refrigerator inner tank according to the present invention;

Fig. 2 is the structural front view of Fig. 1;

Fig. 3 is the structural side view of Fig. 1;

4 is a schematic structural diagram of the positioning assembly, the ejection assembly and the side punch assembly installed on the support plate of the present invention;

FIG. 5 is a schematic structural diagram of the first mold support platform and the second mold support platform of the present invention installed on the support frame;

6 is a schematic structural diagram of the third telescopic component of the present invention installed on the mounting plate;

7 is a schematic structural diagram of the positioning assembly of the present invention installed on a support plate;

8 is a schematic structural diagram of the side punch assembly of the present invention;

FIG. 9 is a schematic structural diagram of a refrigerator inner tank installed on a punching device for the inclined surface of the refrigerator inner tank according to the present invention.

In the accompanying drawings, the list of components represented by each number is as follows:

1-base, 2-control box, 3-first support column, 4-second support column, 5-support plate, 6-carrying frame, 7-positioning component, 8-ejector component, 9-side punch component , 10-Straight punch lower die holder, 11-Slanted punch lower die holder, 12-Straight punch upper punch, 13-Straight punch drive assembly, 14-Slanted punch drive assembly, 15-Slanted punch upper punch, 16-Section One side die seat, 17-first side punch, 18-first side punch telescopic part, 19-safety pin assembly, 501-lifting rod, 502-first telescopic part, 503-second telescopic part, 504-transmission bar, 505-support block, 601-first mold carrier, 602-second mold carrier, 603-installation plate, 604-third telescopic part, 605-transmission rod, 701-fixed frame, 702-fourth telescopic Parts, 703-installation plate, 704-support part, 705-positioning part, 706-first adjustment rod, 707-side support block, 708-second adjustment rod, 801-fifth telescopic part, 802-top block, 901 - The second side punch telescopic part, 902 - the driving block, 903 - the second side punch punch, 904 - the second side punch die seat, 1301 - the sixth telescopic part, 1302 - the power block.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Please refer to FIGS. 1-9. The present invention is a punching device for the inclined surface of a refrigerator inner tank, comprising a base 1 and a centralized control box 2 fixed on the upper surface of the base 1; the centralized control box 2 and the lifting The components, the positioning component 7, the ejector component 8, the side punch component 9, the straight punch drive component 13, the oblique punch drive component 14 and the safety pin component 19 are all kept electrically connected; the upper surface of the base 1 is vertically fixed with a first support A column 3 and a second support column 4; a support plate 5 with a T-shaped structure is horizontally arranged between the first support column 3 and the second support column 4; the support plate 5 is installed on the base 1 through a plurality of lifting components On the surface; the lifting assembly is used to drive the support plate 5 to move up and down; the upper surface of the support plate 5 is provided with an installation opening with a rectangular structure; a bearing frame 6 is vertically inserted in the installation opening; The opposite sides of the carrier 6 are provided with a pair of positioning components 7 for limiting the port of the refrigerator inner tank; between the two positioning components 7 located on the same side, a The ejector assembly 8 which is ejected upwardly from the inner tank;

A side punch assembly 9 is installed between the two pairs of positioning assemblies 7 for punching the edge of the port of the inner tank of the refrigerator; the side punch assembly 9 is arranged on one side of the carrier 6; the upper part of the carrier 6 is arranged with a first A mold support table 601 and a second mold support table 602; the upper part of the first mold support table 601 is fixedly installed with a pair of straight punch lower mold bases 10, and one side of the straight punch lower mold base 10 is provided with an oblique punch down The die base 11; the straight punching lower die base 10 and the oblique punching lower die base 11 are the die base structures conventional in the art for supporting the refrigerator inner tank when punching, and belong to the prior art; the two straight punching lower die bases The upper part of the 10 is provided with a corresponding straight punch 12; the two straight punches 12 are installed on the output end of the straight drive assembly 13; the straight drive assembly 13 is installed on the first support column 3 The output end of the straight punching drive assembly 13 is provided with an oblique punching drive assembly 14; the output end of the oblique punching drive assembly 14 is equipped with an oblique punching upper punch 15 corresponding to the oblique punching lower die base 11; The oblique punching drive assembly 14 adopts a conventional air cylinder well known in the art; the straight punching upper punch 12 and the oblique punching upper punch 15 are both conventional punch structures in the art for punching the refrigerator inner tank, and belong to the current state of the art. There is a technology; one side of the second die bearing platform 602 is provided with a first side die seat 16; one side of the first side die seat 16 is provided with a corresponding first side punch 17; the first side punch 17 is installed It is arranged on the output end of a first side punch telescopic part 18; the first side punch telescopic part 18 is installed on the upper end of the second support column 4; the first side die seat 16 and the first side punch 17 are The conventional die base structure and punch structure used for supporting and punching when punching holes in refrigerator inner liner belong to the prior art.

As shown in FIG. 4 , the lifting assembly includes a plurality of vertically arranged lifting rods 501 , a pair of first telescopic members 502 and a pair of symmetrically arranged second telescopic members 503 ; the lifting rods 501 are installed on the support plate 5 and the base 1; the lift rod 501 is a conventional telescopic rod in the field; the first telescopic part 502 is vertically fixed on the support plate 5; the first telescopic part 502 adopts a conventional cylinder well known in the art; the output end of the first telescopic part 502 Connected with the upper surface of the base 1; the second telescopic part 503 adopts a conventional air cylinder well known in the art; the two second telescopic parts 503 are respectively arranged on opposite sides of the side punch assembly 9; the output end of the second telescopic part 503 is horizontal A transmission bar 504 is fixed; a pair of support blocks 505 are symmetrically fixed on the upper surface of the transmission bar 504; , so as to play an auxiliary supporting role for the support plate 5 .

As shown in FIG. 6 , a mounting plate 603 is fixed horizontally at the lower part of the carrier frame 6; a third telescopic member 604 is rotatably mounted on the upper surface of the mounting plate 603; the third telescopic member 604 adopts a conventional air cylinder well known in the art; The output end of the telescopic part 604 is rotatably connected to a transmission rod 605; one end of the transmission rod 605 is rotatably connected to the second mold carrier 602; the second mold carrier 602 is slidably connected to the carrier 6; The transmission rod 605 drives the second die bearing platform 602 to move, which can adjust the position of the die seat on the first side, so as to have a certain elastic effect on the refrigerator liner when the refrigerator liner is punched, and ensure the stability of the refrigerator liner. Side punching effect.

型结构；定位部件705具有一倒钩，其能够抵住冰箱内胆边缘，从而实现对冰箱内胆的限位作用；固定架701的上部一边缘设置有一上折边；上折边的一侧面垂直穿插有一第一调节杆706；第一调节杆706与上折边螺纹配合；第一调节杆706的一端转动连接于安装板703的一侧面上；安装板703的一边缘处固定有一侧撑块707；侧撑块707的一侧面垂直穿插有一第二调节杆708；第二调节杆708与第一调节杆706垂直设置；第二调节杆708与侧撑块707螺纹配合；第二调节杆708的一端转动连接于支撑部件704的一侧面上。As shown in FIGS. 4 and 7 , the positioning assembly 7 includes a fixing frame 701 and a fourth telescopic member 702 installed on the upper surface of the support plate 5 ; The surface is slidably installed with a support member 704 for supporting and limiting the port of the refrigerator inner pot; the support member 704 is a rectangular block, and its upper surface has a limit protrusion adapted to the refrigerator inner pot port; the fourth telescopic The part 702 adopts a conventional air cylinder well known in the art; the output end of the fourth telescopic part 702 is provided with a positioning part 705 corresponding to the supporting part 704;

type structure; the positioning part 705 has a barb, which can press against the edge of the refrigerator inner tank, so as to realize the limiting effect on the refrigerator inner tank; an upper edge of the upper part of the fixing frame 701 is provided with an upper edge; one side of the upper edge is A first adjusting rod 706 is inserted vertically; the first adjusting rod 706 is threaded with the upper hemming; one end of the first adjusting rod 706 is rotatably connected to one side of the mounting plate 703; an edge of the mounting plate 703 is fixed with a side brace Block 707; a second adjusting rod 708 is vertically inserted into one side of the side support block 707; the second adjusting rod 708 is vertically arranged with the first adjusting rod 706; One end of 708 is rotatably connected to one side of the support member 704 .

As shown in FIGS. 4 and 7 , the ejector assembly 8 includes a fifth telescopic member 801 vertically fixed on the upper surface of the support plate 5 ; the fifth telescopic member 801 adopts a conventional air cylinder well known in the art; the fifth telescopic member 801 A top block 802 is fixed horizontally at the output end of the top block 802; the upper surface of the top block 802 can be in contact with the port of the refrigerator inner tank; when the refrigerator inner tank is punched, the fifth telescopic part 801 drives the top block 802 to move upward, and the refrigerator inner tank is moved upward. Top out, easy to remove the refrigerator liner.

As shown in Figures 1-4 and 8, the side punch assembly 9 includes a second side punch telescopic part 901 horizontally fixed above the support plate 5; the second side punch telescopic part 901 adopts a conventional air cylinder well known in the art; The output end of the side punch telescopic part 901 is rotatably connected to a driving block 902 in a triangular structure; the lower part of the driving block 902 is rotatably connected to the upper surface of the support plate 5; the driving block 902 is fixedly connected with a second side punch 903; A corresponding second side die holder 904 is provided below the two side punches 903; the second side die holder 904 is fixed on the upper surface of the support plate 5; the second side die holder 904 and the second side punch 903 are both The conventional die base structure and punch structure used in the field for supporting and punching when punching holes in the refrigerator liner belong to the prior art; The second side punching head 903 can be matched with the second side punching die seat 904, so as to realize the punching of the inner container of the refrigerator.

As shown in FIGS. 1-3 , the direct drive assembly 13 includes a sixth telescopic part 1301 arranged vertically; the sixth telescopic part 1301 adopts a conventional air cylinder well known in the art; the sixth telescopic part 1301 is fixed to the first support column 3 A power block 1302 is fixed on the output end of the sixth telescopic part 1301; the straight punch 12 is fixed on the lower part of the power block 1302;

As shown in Fig. 1-2, a side surface of the first support column 3 is provided with a safety pin assembly 19 corresponding to the direct drive assembly 13; The position is limited; the safety pin assembly 19 includes a seventh telescopic part; the seventh telescopic part adopts a conventional air cylinder well known in the art; the seventh telescopic part is horizontally fixed on the first support column; the output end of the seventh telescopic part is coaxially fixed with a safety pin.

Before use, the worker buckles the inner tank of the refrigerator upside down on the carrier frame 6, adjusts the support plate up and down through the lifting component to meet the size requirements of the inner tank of the refrigerator, and then locks the port of the inner tank of the refrigerator through the positioning component 7, thereby To achieve the positioning of the refrigerator liner. When in use, the safety pin assembly 19 is retracted, and the straight-punch driving assembly 13 drives the straight-punch upper punch 15 and the oblique-punch drive assembly 14 to move downward; after the straight-punch upper punch 12 realizes and completes the punching of the refrigerator liner, The oblique punch drive assembly 14 drives the oblique punch upper punch 15 to achieve oblique punching; when the oblique punch upper punch 15 and the oblique punch lower die base 11 are closed, the first side punch telescopic part 18 drives the first side punch 17 and the first side punch. The side punching die seat 16 is matched, and the side punching assembly 9 also realizes punching of the port of the refrigerator inner tank; after the side punching of the refrigerator inner tank is completed, the first side punching telescopic part 18 and the side punching assembly 9 are reset after the linear drive assembly 13 is reset. Reset; then, the positioning assembly 7 is reset, the ejector assembly 8 pushes up the refrigerator liner, and the worker takes away the refrigerator liner that has been punched; finally, the lifting assembly is reset to complete the punching process of a refrigerator liner.

The above-disclosed preferred embodiments of the present invention are provided only to help illustrate the present invention. The preferred embodiments do not exhaust all the details, nor do they limit the invention to only the described embodiments. Obviously, many modifications and variations are possible in light of the content of this specification. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can well understand and utilize the present invention. The present invention is to be limited only by the claims and their full scope and equivalents.

Claims (10)

1. A punching device for the inclined surface of a refrigerator inner tank, characterized in that it comprises a base (1) and a centralized control box (2) fixedly installed on the upper surface of the base (1); A first support column (3) and a second support column (4) are vertically fixed on the upper surface of the base (1); the space between the first support column (3) and the second support column (4) is horizontal A support plate (5) is provided; the support plate (5) is mounted on the upper surface of the base (1) through a plurality of lift assemblies; the lift assemblies are used to drive the support plate (5) to move up and down; An installation opening is formed through the upper surface of the support plate (5); a bearing frame (6) is vertically inserted through the installation opening; the bearing frame (6) is fixed on the upper surface of the base (1); the A pair of positioning components (7) for limiting the position of the port of the refrigerator inner tank are installed on opposite sides of the carrier frame (6); a pair of positioning components (7) located on the same side is installed between The ejector assembly (8) for ejecting the punched refrigerator inner liner upwards; A side punching component (9) for punching the edge of the port of the inner container of the refrigerator is installed between the two pairs of the positioning components (7); the side punching component (9) is arranged on a side of the carrying frame (6). side; the upper part of the carrier frame (6) is provided with a first mould bearing platform (601) and a second mould bearing platform (602) side by side; A pair of straight punching lower die bases (10) are fixedly installed on the upper part of the first die supporting platform (601), and a diagonal punching lower die base (10) is installed on one side of the straight punching lower die base (10). 11); a corresponding upper straight punch (12) is arranged above the two straight punching lower die bases (10); both the straight punching upper punches (12) are installed on the straight punching drive assembly (13) on the output end; Wherein, the straight punching drive assembly (13) is installed on the upper end of the first support column (3); an oblique punching drive assembly (14) is installed at the output end of the straight punching drive assembly (13); The output end of the oblique punching drive assembly (14) is provided with an oblique punching upper punch (15) corresponding to the oblique punching lower die base (11); A first side die seat (16) is installed on one side of the second die supporting platform (602); a corresponding first side punch (17) is arranged on one side of the first side die seat (16). ); the first side punch (17) is installed on the output end of a first side punch telescopic part (18); the first side punch telescopic part (18) is installed on the second support column (4) ) on the upper end. 2 . The punching device for the inclined surface of a refrigerator inner tank according to claim 1 , wherein the lifting assembly comprises a plurality of vertically arranged lifting rods ( 501 ) and a pair of first telescopic parts ( 2 . 502); the lift rod (501) is installed between the support plate (5) and the base (1); the first telescopic member (502) is vertically fixed on the support plate (5); the first The output end of the telescopic part (502) is connected with the upper surface of the base (1). 3. A punching device for the inclined surface of a refrigerator inner tank according to claim 2, characterized in that the lifting assembly further comprises a pair of symmetrically arranged second telescopic parts (503); The telescopic parts (503) are respectively arranged at opposite sides of the side punch assembly (9); a transmission bar (504) is horizontally fixed at the output end of the second telescopic part (503); A pair of support blocks (505) are symmetrically fixed on the surface; the support plate (5) is driven upward by the first telescopic member (502), and the support block (505) is pushed into the support plate by the second telescopic member (503). (5), so as to play an auxiliary supporting role for the support plate (5). 4. A punching device for the inclined surface of a refrigerator liner according to claim 1, wherein a mounting plate (603) is fixed horizontally at the lower part of the carrier frame (6); the mounting plate (603) A third telescopic part (604) is rotatably mounted on the upper surface of the ); the output end of the third telescopic part (604) is rotatably connected to a transmission rod (605); one end of the transmission rod (605) is rotatably connected to the on the second mold support platform (602); the second mold support platform (602) is slidably connected to the support frame (6). 5. A punching device for the inclined surface of a refrigerator liner according to claim 1, wherein the positioning assembly (7) comprises a fixing frame (701) installed on the upper surface of the support plate (5) and a fourth telescopic part (702); a mounting plate (703) is slidably installed on the upper part of the fixing frame (701); A support member (704) for supporting the position limit; a positioning member (705) corresponding to the support member (704) is installed at the output end of the fourth telescopic member (702); the positioning member (705) is used for positioning Limit the refrigerator liner. 6. The punching device for the inclined surface of a refrigerator inner tank according to claim 5, wherein an upper edge of the fixing frame (701) is provided with an upper edge; A first adjusting rod (706) is vertically inserted into the side surface; one end of the first adjusting rod (706) is rotatably connected to one side of the mounting plate (703); an edge of the mounting plate (703) is fixed with a side A support block (707); a side surface of the side support block (707) is vertically inserted with a second adjustment rod (708); the second adjustment rod (708) is vertically arranged with the first adjustment rod (706); the One end of the second adjusting rod (708) is rotatably connected to one side surface of the support member (704). 7. A punching device for the inclined surface of a refrigerator inner tank according to claim 1, characterized in that, the ejector assembly (8) comprises a fifth vertical fixed on the upper surface of the support plate (5) A telescopic part (801); a top block (802) is fixed horizontally at the output end of the fifth telescopic part (801); the upper surface of the top block (802) can be abutted against the port of the inner container of the refrigerator. 8. A punching device for the inclined surface of a refrigerator liner according to claim 1, wherein the side punch assembly (9) comprises a second side punch telescopic horizontally fixed above the support plate (5) component (901); the output end of the second side punch telescopic component (901) is rotatably connected to a drive block (902); the lower part of the drive block (902) is rotatably connected to the upper surface of the support plate (5); A second side punch (903) is fixedly connected to the driving block (902); a corresponding second side punch seat (904) is arranged below the second side punch (903); the second side punch (904) is The side die holder (904) is fixed on the upper surface of the support plate (5). 9 . The punching device for the inclined surface of a refrigerator liner according to claim 1 , wherein the punching drive assembly ( 13 ) comprises a sixth telescopic component ( 1301 ) arranged vertically; the The sixth telescopic part (1301) is fixed on the upper end of the first support column (3); the output end of the sixth telescopic part (1301) is fixed with a power block (1302); the straight punch (12) ) is fixed on the lower part of the power block (1302); the oblique impulse driving assembly (14) is fixed obliquely on one side of the power block (1302). 10. A punching device for the inclined surface of a refrigerator inner tank according to claim 1, characterized in that, a side surface of the first support column (3) is provided with a punching drive assembly (13) on one side. A corresponding safety pin assembly (19); the safety pin assembly (19) is used to define the position of the direct flush drive assembly (13) after reset.

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