Die replacing mechanism of bending device

Abstract

The utility model provides a die replacing mechanism of a bending device, which belongs to the technical field of bending machine equipment and comprises an upper die clamp arranged at the upper part of a pressing cutter, a connecting plate arranged at the top of the upper die clamp, a cutter sleeve obliquely arranged at the rear part of the upper die clamp, an upper die seat arranged at the top of the connecting plate and a plurality of cable collecting assemblies arranged at the rear part of the lower surface of the connecting plate, the edge of the rear portion of the upper die clamp is provided with a plurality of chain assemblies, the chain assemblies are fixed to the outer wall of one side of the cutter sleeve, the outer wall of the other side of the cutter sleeve is provided with a plurality of positioning assemblies, and the positioning assemblies are fixed to the rear portion of the upper die base. The knife pouch is turned over through the movable chain, the knife pouch is arranged at the bottom of the pressing knife to bear the pressing knife, the pressing knife falls into the knife pouch after being detached, and the knife pouch and the pressing knife are pulled out together through a handle on the knife pouch.

Description

Technical Field

[0001] The utility model relates to the technical field of bending machine equipment, in particular to a mold replacement mechanism of a bending device. Background Art

[0002] The bending machine mold is a tool used by the bending machine to shape and process sheet materials. It mainly realizes the processing of the shape of the object by changing the physical state of the formed material. It is used to make the blank into a part with a specific shape and size under the pressure of the bending machine. The bending machine mold is divided into the upper mold and the lower mold of the bending machine.

[0003] When a bending machine is performing film pressing on different workpieces, the pressing knife of the upper die needs to be replaced. Most of the pressing knives of existing bending machines are directly fixed to the upper die clamp by bolts. When removing the pressing knife, the bolts need to be removed first, so that the pressing knife is placed in the recess of the lower die, and the pressing knife is manually pushed out for replacement. When the pressing knife is directly pushed out, the blade of the pressing knife will be damaged, and it is also difficult for personnel to push it. In order to solve the above problems, a mold replacement mechanism of a bending device is proposed to solve the above problems. Utility Model Content

[0004] In view of this, the utility model provides a mold replacement mechanism for a bending device. The utility model disassembles the safety buckle to make the movable chain hang down, and then disassembles the buckle and the slot to separate the buckle from the knife sleeve, and then flips the knife sleeve through the movable chain to make the knife sleeve to the bottom of the pressing knife to receive the pressing knife. After disassembly, the pressing knife falls into the knife sleeve, and the knife sleeve together with the pressing knife is pulled out through the handle on the knife sleeve.

[0005] In order to solve the above technical problems, the utility model provides a mold replacement mechanism of a bending device, including an upper mold clamp on the upper part of a pressing tool, a connecting plate is provided on the top of the upper mold clamp, a knife sleeve is inclined at the rear part of the upper mold clamp, an upper mold seat is provided on the top of the connecting plate, a plurality of cable-retracting assemblies are provided at the rear part of the lower surface of the connecting plate, a plurality of chain assemblies are provided on the rear edge of the upper mold clamp, the chain assemblies are fixed to the outer wall of one side of the knife sleeve, a plurality of positioning assemblies are provided on the outer wall of the other side of the knife sleeve, and the positioning assemblies are fixed to the rear of the upper mold seat.

[0006] The cable collection assembly includes a fixing plate connected to the lower surface of the connecting plate, a safety buckle used to fix the fixing plate to the connecting plate, and a safety buckle arranged at the bottom of the fixing plate, and the safety buckle is used to collect the movable chain.

[0007] The chain assembly includes a positioning block fixed to the rear edge of the upper mold clamp, the positioning block is used to fix the upper mold clamp to the chain base, a chain base at the bottom of the positioning block and a movable chain arranged at the bottom of the chain base, the chain base is used to connect the positioning block with the movable chain, the movable chain is used to connect the chain base with the chain buckle, and the movable chain is used to drive the tool sleeve to move and flip.

[0008] A chain buckle for connecting the movable chain with a first connecting block is provided at the end of the movable chain. The chain buckle is detachably connected to the movable chain. A first connecting block for fixing the chain buckle and the knife sleeve is provided at the end of the chain buckle. The first connecting block is fixed to an outer wall of one side of the knife sleeve.

[0009] The positioning assembly includes a slot fixed on the outer wall of the other side of the knife sleeve, a buckle arranged on the top of the slot, a detachable connection between the buckle and the slot, a hinge arranged at the upper end of the buckle and a second connecting block arranged at the upper end of the hinge, the slot is used to connect the knife sleeve and the buckle, the hinge is used to hang the knife sleeve, the second connecting block is used to fix the hinge to the upper mold base, and the second connecting block is fixed to the back of the upper mold base.

[0010] Positioning plates for connecting the knife sleeve and the handle are provided at the front and rear ends of the knife sleeve, and a handle for conveniently pushing the knife sleeve is provided on the positioning plate.

[0011] The knife cover comprises a body cover at the upper part of the knife cover, a waist cover in the middle part of the knife cover and a blade cover at the bottom of the knife cover, and the body cover, the waist cover and the blade cover are connected in an integrated manner.

[0012] The body sheath is in the shape of a trapezoidal groove, with a narrow bottom and wide top design; the waist sheath is in the shape of a square groove; and the blade sheath is in the shape of a trapezoidal groove, with a narrow top and wide bottom design.

[0013] In summary, compared with the prior art, the present application includes at least one of the following beneficial technical effects:

[0014] 1. When the press knife needs to be removed, first move the upper die seat to move the press knife upward, remove the safety buckle to make the movable chain fall, then remove the buckle and the slot to separate the buckle from the knife sleeve, and then flip the knife sleeve through the movable chain so that the knife sleeve is at the bottom of the press knife to receive the press knife, then put down the press knife and remove the bolts on the press knife and the upper die clamp. After disassembly, let the press knife fall into the knife sleeve, and pull out the knife sleeve together with the press knife through the handle on the knife sleeve, so as to avoid damaging the blade when the press knife is directly pushed out, and it is also more labor-saving when people push it.

[0015] 2. The knife sheath includes a body sheath at the top of the knife sheath, a waist sheath in the middle of the knife sheath and a blade sheath at the bottom of the knife sheath. The body sheath, waist sheath and blade sheath are connected in one piece. The body sheath is in a trapezoidal groove shape and is designed to be narrow at the bottom and wide at the top. The waist sheath is in a square groove shape and the blade sheath is in a trapezoidal groove shape and is designed to be narrow at the top and wide at the bottom. This design can accommodate knives of various specifications and improves the practicability of the knife sheath.

[0016] 3. The cable collection assembly includes a fixed plate connected to the lower surface of the connecting plate, the fixed plate is used to fix the connecting plate with a safety buckle, and a safety buckle is arranged at the bottom of the fixed plate. The safety buckle is used to collect the movable chain to prevent the movable chain from hanging too long and affecting the working condition when the pressing knife is pressed down. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1Schematic diagram of the main structure of the mold replacement mechanism of a bending device of the present utility model;

[0018] Figure 2 Schematic diagram of the partial structure B of the present utility model;

[0019] Figure 3 Schematic diagram of the side view structure of the present utility model;

[0020] Figure 4 Schematic diagram of the partial structure A of the present utility model.

[0021] Explanation of reference numerals: 100, pressing knife; 101, upper die clamp; 102, connecting plate; 103, tool sleeve; 104, body sleeve; 105, waist sleeve; 106, blade sleeve; 107, upper die base; 108, positioning plate; 109, handle; 200, cable receiving assembly; 201, fixing plate; 202, safety buckle; 300, chain assembly; 301, positioning block; 302, chain base; 303, movable chain; 304, chain buckle; 305, first connecting block; 400, positioning assembly; 401, card slot; 402, buckle; 403, hinge; 404, second connecting block. Detailed implementation manners

[0022] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the following will combine the accompanying drawings of the embodiments of the present utility model Figures 1-4 to clearly and completely describe the technical solutions of the embodiments of the present utility model. Obviously, the described embodiments are some but not all of the embodiments of the present utility model. Based on the described embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art belong to the scope protected by the present utility model.

[0023] As Figures 1-4 shown: This embodiment provides a mold replacement mechanism for a bending device, including an upper die clamp 101 above a pressing knife 100. A connecting plate 102 for connecting the upper die clamp 101 to an upper die base 107 is provided at the top of the upper die clamp 101. A tool sleeve 103 for holding the pressing knife 100 is inclined at the rear of the upper die clamp 101. An upper die base 107 for connecting to a hydraulic device is provided at the top of the connecting plate 102. The upper die base 107 is also used to fix a positioning assembly 400. A plurality of cable receiving assemblies 200 for receiving the movable chain 303 in a chain assembly 300 are provided at the rear lower surface of the connecting plate 102. A plurality of chain assemblies 300 for moving and flipping the tool sleeve 103 are provided at the rear edge of the upper die clamp 101. The chain assembly 300 is fixed to the outer wall of one side of the tool sleeve 103. A plurality of positioning assemblies 400 for connecting and fixing the tool sleeve 103 to the upper die base 107 are provided on the outer wall of the other side of the tool sleeve 103. The positioning assembly 400 is fixed to the rear surface of the upper die base 107.

[0024] When in use, when it is necessary to disassemble the pressing knife 100, first move the upper die holder 107 upward to drive the pressing knife 100, disassemble the safety buckle 202 so that the movable chain 303 drops, then disassemble the buckle 402 and the card slot 401 to separate the buckle 402 from the knife sleeve 103, and then flip the knife sleeve 103 through the movable chain 303 so that the knife sleeve 103 is placed at the bottom of the pressing knife 100 to receive the pressing knife 100. Then lower the pressing knife 100 and disassemble the bolts on the pressing knife 100 and the upper die clamp 101. After disassembly, let the pressing knife 100 fall into the knife sleeve 103, and pull out the knife sleeve 103 together with the pressing knife 100 through the handle 109 on the knife sleeve 103.

[0025] This embodiment provides a die replacement mechanism for a bending device.

[0026] As Figure 1 、 4 shown in: The cable receiving assembly 200 includes a fixing plate 201 connected to the lower surface of the connecting plate 102. The fixing plate 201 is used to fix the safety buckle 202 to the connecting plate 102. The fixing plate 201 and the lower surface of the connecting plate 102 are connected and fixed by bolts. The safety buckle 202 is arranged at the bottom of the fixing plate 201, and the safety buckle 202 and the fixing plate 201 are connected and fixed by bolts. The safety buckle 202 is used to receive the movable chain 303.

[0027] As Figure 2 、 3 、4 shown in: The chain assembly 300 includes a positioning block 301 fixed to the rear edge of the upper die clamp 101. The positioning block 301 has an internal angular groove. The upper die clamp 101 and the positioning block 301 are welded and fixed. The positioning block 301 is used to fix the upper die clamp 101 to the chain base 302. The chain base 302 at the bottom of the positioning block 301 and the movable chain 303 arranged at the bottom of the chain base 302. The chain base 302 and the positioning block 301 are connected and fixed by bolts. The chain base 302 is used to connect the positioning block 301 and the movable chain 303. The movable chain 303 and the chain base 302 are locked and fixed. The movable chain 303 is used to connect the chain base 302 and the chain buckle 304. The movable chain 303 is used to drive the knife sleeve 103 to move and flip.

[0028] As Figure 2 、 4 shown in: At the end of the movable chain 303, there is a chain buckle 304 for connecting the movable chain 303 with the first connecting block 305. The chain buckle 304 is U-shaped with an inserted bolt inside. The chain buckle 304 is detachably connected to the movable chain 303. At the end of the chain buckle 304, there is a first connecting block 305 for fixing the chain buckle 304 to the knife sleeve 103. The first connecting block 305 and the chain buckle 304 are connected and fixed by bolts. The first connecting block 305 and the outer wall of one side of the knife sleeve 103 are connected and fixed by bolts.

[0029] AsFigure 2 , 3 As shown in FIGS. 3 and 4: The positioning component 400 includes a card slot 401 fixed to the outer wall on the other side of the tool sleeve 103. The card slot 401 is fixed to the body sleeve 104 of the tool sleeve 103. A buckle 402 is provided at the top of the card slot 401. The buckle 402 is detachably connected to the card slot 401. A hinge 403 is provided at the upper end of the buckle 402 and a second connection block 404 is provided at the upper end of the hinge 403. The second connection block 404 is embedded in the hinge 403. The card slot 401 is used for connecting the tool sleeve 103 with the buckle 402. The hinge 403 is locked and fixed to the buckle 402. The hinge 403 is used for hanging the tool sleeve 103. The second connection block 404 is used for fixing the hinge 403 to the upper die base 107. The second connection block 404 and the rear of the upper die base 107 are fixedly connected by bolts.

[0030] As Figure 2 , 3 、4 shown: Positioning plates 108 for connecting the tool sleeve 103 with the handle 109 are provided at the front and rear ends of the tool sleeve 103. The positioning plates 108 are fixedly connected to the tool sleeve 103 by bolts. A handle 109 for facilitating the pushing of the tool sleeve 103 is provided on the positioning plates 108. The positioning plates 108 and the handle 109 are fixedly connected by bolts.

[0031] As Figure 3 , 4 shown: The tool sleeve 103 includes a body sleeve 104 at the upper part of the tool sleeve 103, a waist sleeve 105 in the middle of the tool sleeve 103, and a blade sleeve 106 at the bottom of the tool sleeve 103. The body sleeve 104, the waist sleeve 105, and the blade sleeve 106 are integrally connected. The body sleeve 104 is in the shape of a trapezoidal groove with a narrow bottom and a wide top. The waist sleeve 105 is in the shape of a square groove. The blade sleeve 106 is in the shape of a trapezoidal groove with a narrow top and a wide bottom.

[0032] In addition, it should be noted that in the description of the present invention, unless otherwise clearly defined and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0033] The above is the preferred embodiment of the present invention. It should be pointed out that for those of ordinary skill in the art in this technical field, without departing from the principle described in the present invention, several improvements and refinements can still be made, and these improvements and refinements should also be regarded as the protection scope of the present invention.

Claims

1. A die replacement mechanism for a bending device, including an upper die clamp (101) on the upper part of a pressing tool (100), characterized in that: A connecting plate (102) is provided at the top of the upper die clamp (101). A tool sleeve (103) is obliquely provided at the rear of the upper die clamp (101). An upper die base (107) is provided at the top of the connecting plate (102). A plurality of cable collecting components (200) are provided at the rear part of the lower surface of the connecting plate (102). A plurality of chain components (300) are provided at the rear edge of the upper die clamp (101). The chain components (300) are fixed to the outer wall of one side of the tool sleeve (103). A plurality of positioning components (400) are provided on the outer wall of the other side of the tool sleeve (103). The positioning components (400) are fixed to the rear surface of the upper die base (107).

2. The die replacement mechanism of a bending device according to claim 1, characterized in that: The cable collecting component (200) includes a fixing plate (201) connected to the lower surface of the connecting plate (102), and a safety buckle (202) provided at the bottom of the fixing plate (201).

3. The die replacement mechanism of a bending device as described in claim 2, characterized in that: The chain component (300) includes a positioning block (301) fixed to the rear edge of the upper die clamp (101), a chain base (302) at the bottom of the positioning block (301), and a movable chain (303) provided at the bottom of the chain base (302).

4. The die replacement mechanism of a bending device according to claim 3, characterized in that: A chain buckle (304) is provided at the end of the movable chain (303). The chain buckle (304) is detachably connected to the movable chain (303). A first connecting block (305) is provided at the end of the chain buckle (304). The first connecting block (305) is fixed to the outer wall of one side of the tool sleeve (103).

5. The die replacement mechanism of a bending device according to claim 4, characterized in that: The positioning component (400) includes a card slot (401) fixed to the outer wall of the other side of the tool sleeve (103), a buckle (402) provided at the top of the card slot (401). The buckle (402) is detachably connected to the card slot (401). A hinge (403) is provided at the upper end of the buckle (402), and a second connecting block (404) is provided at the upper end of the hinge (403). The second connecting block (404) is fixed to the rear surface of the upper die base (107).

6. The die replacement mechanism of a bending device according to claim 5, characterized in that: Positioning plates (108) are provided at the front and rear ends of the tool sleeve (103), and handles (109) are provided on the positioning plates (108).

7. The die replacement mechanism of a bending device according to claim 6, characterized in that: The tool sleeve (103) includes a body sleeve (104) at the upper part of the tool sleeve (103), a waist sleeve (105) at the middle part of the tool sleeve (103), and a blade sleeve (106) at the bottom of the tool sleeve (103). The body sleeve (104), the waist sleeve (105), and the blade sleeve (106) are integrally connected.

8. The die replacement mechanism of a bending device according to claim 7, characterized in that: The body sleeve (104) is in the shape of a trapezoidal groove with a design of being narrower at the bottom and wider at the top. The waist sleeve (105) is in the shape of a square groove. The blade sleeve (106) is in the shape of a trapezoidal groove with a design of being narrower at the top and wider at the bottom.

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