Clamp device for bending machine

Abstract

The utility model discloses a clamp device for a bending machine, which belongs to the technical field of bending machines, and comprises a first fixing seat and a second fixing seat, the second fixing seat is positioned at the top of the first fixing seat, the bottom of the first fixing seat is fixedly connected with a bottom plate, a bending mechanism is arranged between the first fixing seat and the second fixing seat, and the bottom plate is fixedly connected with the bottom plate. The bending mechanism is arranged, corresponding U-shaped limiting plates are selected according to the size of a metal plate needing to be bent, then the two U-shaped plates are fixed to the top of a first fixing base through straight screws, at the moment, the metal plate is placed in an area formed by the two U-shaped limiting plates, and then a hydraulic cylinder is started to drive a push rod and a bending head to move downwards; according to the metal plate bending device, automatic bending operation can be conducted on a metal plate, meanwhile, the bending head can drive the abutting block to be used in cooperation with the U-shaped limiting plate, the metal plate needing to be bent can be abutted and limited, and the situation that the position of the metal plate deviates in the bending process, and consequently the bending quality of the metal plate is reduced is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of bending machines, in particular to a clamp device for bending machines. Background Art

[0002] The bending machine is an important equipment for sheet metal production. The bending function of the bending machine is achieved by applying a certain pressure to the sheet metal raw material through the mold or tool.

[0003] The existing clamp devices for bending machines all adopt a screw-fastened structure. When using the screw-fastened clamp to install the bending tool, tools are required and the operation is very cumbersome;

[0004] The existing patent (Announcement No.: CN214349028U) is a clamp device for a bending machine. This utility model has a novel structure, high repeated clamping and assembly accuracy, stable structure and convenient operation, which effectively solves the problem that the bending machine clamp fastened with screws needs to use tools when installing the bending tool and the operation is very cumbersome.

[0005] In view of the above problems, existing patents have provided solutions, but the entire device is complicated to operate and lacks the functions of automatic adjustment and precise positioning, which easily leads to low production efficiency and unstable processing quality.

[0006] Therefore, a clamp device for a bending machine is proposed. Utility Model Content

[0007] The purpose of the utility model is to provide a clamp device for a bending machine, which can solve the problems of the existing clamp device for a bending machine, which is complicated to operate, lacks the functions of automatic adjustment and precise positioning, and easily leads to low production efficiency and unstable processing quality.

[0008] To achieve the above object, the utility model provides the following technical solution: a clamp device for a bending machine, comprising a first fixed seat and a second fixed seat, wherein the second fixed seat is located on the top of the first fixed seat, a bottom plate is fixedly connected to the bottom of the first fixed seat, and a bending mechanism is arranged between the first fixed seat and the second fixed seat;

[0009] The bending mechanism includes a connecting rod, a hydraulic cylinder, a push rod, a bending head, a bending groove, an ejection assembly and a clamping assembly. The top ends of the two connecting rods are fixedly connected to the bottom of the second fixed seat, and the bottom ends of the two connecting rods are fixedly connected to the top of the first fixed seat. The hydraulic cylinder is bolted to the top of the second fixed seat, the push rod is fixedly connected to the output end of the hydraulic cylinder and passes through the second fixed seat, the bending head is fixedly connected to the bottom of the push rod, the bending groove is opened at the top of the first fixed seat and is used in conjunction with the bending head, the ejection assembly is arranged inside the bending groove, and the clamping assembly is arranged at the top of the first fixed seat and on both sides of the bending groove.

[0010] Preferably, the ejection assembly includes a movable groove, an ejection block, an ejection rod, a telescopic cavity and a spring, the movable groove is opened at the bottom of the bending groove and is connected to the bending groove, the ejection block is arranged inside the bending groove and is used in conjunction with the bending head, the two ejection rods are fixedly connected to the bottom of the ejection block, the two ejection rods pass through the first fixed seat, the two telescopic cavities are opened inside the first fixed seat and are connected to the movable groove, the spring is located on the periphery of the ejection rod, one end of the spring is fixedly connected to the bottom of the ejection block, and the other end of the spring is fixedly connected to the inner bottom of the telescopic cavity.

[0011] Preferably, the clamping assembly includes a U-shaped limit plate, a slotted screw and a clamping block, the two U-shaped limit plates are movably connected to the top of the first fixed seat and are located on both sides of the bending groove, the two U-shaped limit plates are symmetrically arranged, the two slotted screws pass through the U-shaped limit plate to the inside of the first fixed seat, and the two clamping blocks are fixedly connected to the bottom of the bending head and used in conjunction with the U-shaped limit plate.

[0012] Preferably, two guide rods are fixedly connected to the top of the bending head, the two guide rods are located on both sides of the push rod, and the second fixing seat is provided with guide holes slidably connected to the guide rods.

[0013] Preferably, four supporting legs are fixedly connected to the bottom of the base plate, and the four supporting legs are respectively located at the four corners of the bottom of the base plate.

[0014] Preferably, a storage box is fixedly connected to the bottom of the base plate.

[0015] Preferably, a cross partition plate is fixedly connected to the interior of the storage box.

[0016] Preferably, the length of the guide rod is the same as the distance from the bottom of the bending head to the top of the first fixing seat.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] 1. The present application is provided with a bending mechanism, and the corresponding U-shaped limit plate is selected according to the size of the sheet metal to be bent, and then the two U-shaped plates are fixed on the top of the first fixing seat with a flat screw. At this time, the sheet metal is placed in the area formed by the two U-shaped limit plates, and then the hydraulic cylinder is started. The hydraulic cylinder will drive the push rod and the bending head to move downward. The bending head and the bending groove are used in conjunction to perform automatic bending operations on the sheet metal. At the same time, the bending head will drive the tightening block and the U-shaped limit plate to be used in conjunction, so as to tighten and limit the sheet metal to be bent, so as to avoid position displacement of the sheet metal during the bending process, which will cause the quality of the sheet metal bending to be reduced.

[0019] 2. The present application is provided with an ejector assembly. When the bending head and the bending groove are used in conjunction to bend the sheet metal, the bending head will apply pressure to the ejector block, and the ejector block will drive the ejector rod to move downward. At this time, the spring is in a compressed state, and the moving groove will guide and limit the moving trajectory of the ejector block. When the bending head moves upward, the deformation force of the spring can be used to eject the bent sheet metal, which is convenient for quick material retrieval. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 It is the overall structure diagram of the utility model;

[0022] Figure 2 It is a structural schematic diagram of the bending mechanism of the utility model;

[0023] Figure 3 It is a structural schematic diagram of the ejection assembly of the utility model;

[0024] Figure 4 It is a structural schematic diagram of the clamping assembly of the utility model;

[0025] Figure 5 It is a structural schematic diagram of the guide rod and the guide hole of the utility model.

[0026] Description of reference numerals:

[0027] 1. First fixed seat; 2. Second fixed seat; 3. Bottom plate; 4. Bending mechanism; 401. Connecting rod; 402. Hydraulic cylinder; 403. Push rod; 404. Bending head; 405. Bending groove; 406. Ejector assembly; 4061. Moving groove; 4062. Ejector block; 4063. Ejector rod; 4064. Telescopic cavity; 4065. Spring; 407. Clamping assembly; 4071. U-shaped limit plate; 4072. Slotted screw; 4073. Tightening block; 5. Guide rod; 6. Guide hole; 7. Support leg; 8. Storage box; 9. Cross partition. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] See also Figures 1 to 5 , the utility model provides a technical solution:

[0030] A clamp device for a bending machine comprises a first fixed seat 1 and a second fixed seat 2, wherein the second fixed seat 2 is located on the top of the first fixed seat 1, a bottom plate 3 is fixedly connected to the bottom of the first fixed seat 1, and a bending mechanism 4 is arranged between the first fixed seat 1 and the second fixed seat 2;

[0031] The bending mechanism 4 includes a connecting rod 401, a hydraulic cylinder 402, a push rod 403, a bending head 404, a bending groove 405, an ejection assembly 406 and a clamping assembly 407. The top ends of the two connecting rods 401 are fixedly connected to the bottom of the second fixed seat 2, and the bottom ends of the two connecting rods 401 are fixedly connected to the top of the first fixed seat 1. The hydraulic cylinder 402 is bolted to the top of the second fixed seat 2, the push rod 403 is fixedly connected to the output end of the hydraulic cylinder 402 and passes through the second fixed seat 2, the bending head 404 is fixedly connected to the bottom of the push rod 403, the bending groove 405 is opened at the top of the first fixed seat 1 and is used in conjunction with the bending head 404, the ejection assembly 406 is arranged inside the bending groove 405, and the clamping assembly 407 is arranged at the top of the first fixed seat 1 and on both sides of the bending groove 405.

[0032] Specifically, Figure 4As shown, the clamping assembly 407 includes a U-shaped limit plate 4071, a slotted screw 4072 and a clamping block 4073. The two U-shaped limit plates 4071 are movably connected to the top of the first fixed seat 1 and are located on both sides of the bending groove 405. The two U-shaped limit plates 4071 are symmetrically arranged. The two slotted screws 4072 penetrate the U-shaped limit plates 4071 to the inside of the first fixed seat 1. The two clamping blocks 4073 are fixedly connected to the bottom of the bending head 404 and are used in conjunction with the U-shaped limit plates 4071.

[0033] Specifically, Figure 5 As shown, two guide rods 5 are fixedly connected to the top of the bending head 404 , and the two guide rods 5 are located on both sides of the push rod 403 . The second fixing seat 2 is provided with a guide hole 6 slidably connected to the guide rod 5 .

[0034] Specifically, Figure 1 As shown, four supporting legs 7 are fixedly connected to the bottom of the base plate 3 , and the four supporting legs 7 are respectively located at the four corners of the bottom of the base plate 3 .

[0035] Specifically, Figure 1 As shown, a storage box 8 is fixedly connected to the bottom of the base plate 3 .

[0036] Specifically, Figure 1 As shown, a cross partition plate 9 is fixedly connected to the interior of the storage box 8 .

[0037] Specifically, Figure 1 As shown, the length of the guide rod 5 is the same as the distance from the bottom of the bending head 404 to the top of the first fixing seat 1.

[0038] When in use, select the corresponding U-shaped limiting plate 4071 according to the size of the sheet metal to be bent, and then use the flat screw 4072 to fix the two U-shaped plates on the top of the first fixing seat 1. At this time, place the sheet metal in the area formed by the two U-shaped limiting plates 4071, and then start the hydraulic cylinder 402. The hydraulic cylinder 402 will drive the push rod 403 and the bending head 404 to move downward. The bending head 404 is used in conjunction with the bending groove 405 to perform automatic bending operations on the sheet metal. At the same time, the bending head 404 will drive the tightening block 4073 and the U-shaped limiting The positioning plate 4071 is used in conjunction with the positioning plate 4071 to restrict the sheet metal that needs to be bent, so as to avoid the position displacement of the sheet metal during the bending process, which causes the quality of the sheet metal bending to be reduced. When the bending head 404 moves, the bending head 404 will drive the guide rod 5 to move along the trajectory of the guide hole 6, which can greatly improve the stability of the bending head 404 when moving. By setting a cross partition plate 9, the storage box 8 can be divided into multiple spaces, so as to facilitate the classification and placement of tools or personal belongings. By setting a support leg 7, the entire device can be supported and stabilized.

[0039] Specifically, Figure 3 As shown, the ejection assembly 406 includes a movable groove 4061, an ejection block 4062, an ejection rod 4063, a telescopic cavity 4064 and a spring 4065. The movable groove 4061 is opened at the bottom of the bending groove 405 and is connected to the bending groove 405. The ejection block 4062 is arranged inside the bending groove 405 and is used in conjunction with the bending head 404. The two ejection rods 4063 are fixedly connected to the bottom of the ejection block 4062. The two ejection rods 4063 both pass through the first fixed seat 1. The two telescopic cavities 4064 are both opened inside the first fixed seat 1 and are connected to the movable groove 4061. The spring 4065 is located on the periphery of the ejection rod 4063, one end of the spring 4065 is fixedly connected to the bottom of the ejection block 4062, and the other end of the spring 4065 is fixedly connected to the inner bottom of the telescopic cavity 4064.

[0040] During use, when the bending head 404 and the bending groove 405 are used in conjunction to bend the sheet metal, the bending head 404 will apply pressure to the ejector block 4062, and the ejector block 4062 will drive the ejector rod 4063 to move downward. At this time, the spring 4065 is in a compressed state, and the moving groove 4061 will guide and limit the moving trajectory of the ejector block 4062. When the bending head 404 moves upward, the deformation force of the spring 4065 can be used to eject the bent sheet metal, which is convenient for quick material removal.

[0041] Working principle: When the present application is used, firstly, the corresponding U-shaped limiting plate 4071 is selected according to the size of the sheet metal to be bent, and then the two U-shaped plates are fixed on the top of the first fixing seat 1 with a flat screw 4072. At this time, the sheet metal is placed in the area formed by the two U-shaped limiting plates 4071, and then the hydraulic cylinder 402 is started to drive the push rod 403 and the bending head 404 to move downward. The bending head 404 is used in conjunction with the bending groove 405 to perform automatic bending operations on the sheet metal. At the same time, the bending head 404 will drive the tightening block 4073 to cooperate with the U-shaped limiting plate 4071 to be able to bend the required The bent sheet metal is tightly restrained to avoid positional displacement of the sheet metal during the bending process, which would reduce the bending quality of the sheet metal. When the bending head 404 and the bending groove 405 are used in conjunction with the sheet metal to bend the sheet metal, the bending head 404 will apply pressure to the ejection block 4062, and the ejection block 4062 will drive the ejection rod 4063 to move downward. At this time, the spring 4065 is in a compressed state, and the moving groove 4061 will guide and limit the moving trajectory of the ejection block 4062. When the bending head 404 moves upward, the deformation force of the spring 4065 can be used to eject the bent sheet metal, which is convenient for quick material removal.

[0042] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A clamping device for a bending machine, comprising a first fixing seat (1) and a second fixing seat (2), characterized in that: The second fixing seat (2) is located on the top of the first fixing seat (1); the bottom of the first fixing seat (1) is fixedly connected to a bottom plate (3); and a bending mechanism (4) is provided between the first fixing seat (1) and the second fixing seat (2); The bending mechanism (4) comprises a connecting rod (401), a hydraulic cylinder (402), a push rod (403), a bending head (404), a bending groove (405), an ejection assembly (406) and a clamping assembly (407), the top ends of the two connecting rods (401) are fixedly connected to the bottom of the second fixed seat (2), the bottom ends of the two connecting rods (401) are fixedly connected to the top of the first fixed seat (1), the hydraulic cylinder (402) is bolted to the top of the second fixed seat (2), and the The push rod (403) is fixedly connected to the output end of the hydraulic cylinder (402) and passes through the second fixed seat (2); the bending head (404) is fixedly connected to the bottom of the push rod (403); the bending groove (405) is opened at the top of the first fixed seat (1) and is used in conjunction with the bending head (404); the ejection assembly (406) is arranged inside the bending groove (405); and the clamping assembly (407) is arranged at the top of the first fixed seat (1) and on both sides of the bending groove (405).

2. The clamp device for a bending machine according to claim 1, characterized in that: The ejection assembly (406) comprises a movable groove (4061), an ejection block (4062), an ejection rod (4063), a telescopic cavity (4064) and a spring (4065); the movable groove (4061) is arranged at the bottom of the bending groove (405) and is connected to the bending groove (405); the ejection block (4062) is arranged inside the bending groove (405) and is used in conjunction with the bending head (404); the two ejection rods (4063) are fixedly connected to the ejection block (4064) and the spring (4065) are fixedly connected to the ejection block (4061). The two ejector rods (4063) are both inserted into the first fixed seat (1), the two telescopic cavities (4064) are both opened inside the first fixed seat (1) and are connected to the movable groove (4061), the spring (4065) is located on the periphery of the ejector rods (4063), one end of the spring (4065) is fixedly connected to the bottom of the ejector block (4062), and the other end of the spring (4065) is fixedly connected to the inner bottom of the telescopic cavity (4064).

3. The clamp device for a bending machine according to claim 1, characterized in that: The clamping assembly (407) comprises a U-shaped limiting plate (4071), a slotted screw (4072) and a clamping block (4073); the two U-shaped limiting plates (4071) are movably connected to the top of the first fixing seat (1) and are located on both sides of the bending groove (405); the two U-shaped limiting plates (4071) are symmetrically arranged; the two slotted screws (4072) penetrate the U-shaped limiting plates (4071) to the inside of the first fixing seat (1); and the two clamping blocks (4073) are fixedly connected to the bottom of the bending head (404) and are used in conjunction with the U-shaped limiting plates (4071).

4. The clamp device for a bending machine according to claim 1, characterized in that: Two guide rods (5) are fixedly connected to the top of the bending head (404), and the two guide rods (5) are located on both sides of the push rod (403). The second fixing seat (2) is provided with a guide hole (6) slidably connected to the guide rod (5).

5. The clamp device for a bending machine according to claim 1, characterized in that: Four supporting legs (7) are fixedly connected to the bottom of the base plate (3), and the four supporting legs (7) are respectively located at the four corners of the bottom of the base plate (3).

6. The clamp device for a bending machine according to claim 1, characterized in that: A storage box (8) is fixedly connected to the bottom of the base plate (3).

7. The clamp device for a bending machine according to claim 6, characterized in that: A cross partition plate (9) is fixedly connected to the interior of the storage box (8).

8. The clamp device for a bending machine according to claim 4, characterized in that: The length of the guide rod (5) is the same as the distance from the bottom of the bending head (404) to the top of the first fixing seat (1).

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