Clamp device for bending machine

Abstract

The utility model discloses a clamp device for a bending machine, and relates to the technical field of bending machines. The bending device comprises a base and a supporting frame connected with the base, a bottom die assembly and a top die assembly which are used for bending a workpiece are arranged on the base and the supporting frame respectively, and the bottom die assembly comprises a bottom die fixing seat and a bottom bending seat at the top of the bottom die fixing seat. A plurality of different types of top bending heads can be fixed to the lower portion of the top die connecting base through the connecting clamp structure composed of the connecting plate and the first connecting bolts, and a plurality of different types of bottom bending bases can be fixed to the upper portion of the bottom die connecting base through the second connecting bolts. Under the matching action of the driving piece and the driving component, the top bending head and the bottom bending seat which are matched with each other can be replaced, so that bending of workpieces in different shapes is completed, frequent replacement of the workpieces is not needed, the bending efficiency is improved, and use is more convenient.

Description

Technical Field

[0001] This utility model relates to the field of bending machine technology, and specifically to a clamping device for a bending machine. Background Technology

[0002] Bending machines are important equipment in sheet metal production. The bending function of a bending machine is achieved by applying a certain pressure to the sheet metal material through a mold or cutting tool.

[0003] Generally, clamping devices are used to hold and position the upper mold. However, when clamping and positioning it, only one type of bending head can be fixed at a time. When different shapes of bending processing are required for the workpiece, it is necessary to remove it and re-use the clamp to limit the different bending heads, which reduces the processing efficiency and is not convenient to use.

[0004] Therefore, a clamping device for a bending machine is proposed. Utility Model Content

[0005] To address the problems existing in the prior art, this utility model provides a clamping device for a bending machine.

[0006] To achieve the above objectives, this utility model specifically adopts the following technical solution:

[0007] A clamping device for a bending machine includes a base and a support frame connected thereto. A bottom mold assembly and a top mold assembly for bending workpieces are respectively disposed on the base and the support frame. The bottom mold assembly includes a bottom mold fixing seat, a bottom bending seat at its top, and a driving component for rotating it. The driving component includes a second motor and a bottom mold connecting seat. The bottom mold connecting seat and the bottom mold fixing seat are connected by a second connecting bolt. The top mold assembly includes a top mold connecting seat, a top mold fixing seat, a top bending head disposed at the bottom of the top mold fixing seat, a driving component for rotating the top mold fixing seat, and a connecting clamping structure connecting the top mold connecting seat and the top mold fixing seat. The connecting clamping structure includes a connecting plate and a first connecting bolt. An electric telescopic rod is disposed at the bottom of the support frame, and the top mold connecting seat is connected to the telescopic end of the electric telescopic rod.

[0008] Furthermore, the bottom of the top mold connecting seat is provided with a limiting sleeve, the top of the top mold fixing seat is provided with a limiting insert rod that is adapted to engage with the limiting sleeve, the top of the top mold fixing seat is provided with a support cylinder, and the top of the support cylinder is evenly provided with a plurality of balls.

[0009] Further, the driving member comprises a gear ring, a mounting frame, a first motor and a gear, the gear ring is sleeved on the top mold connecting seat, the mounting frame is arranged on the top of the top mold connecting seat, the gear is connected with the main shaft end of the first motor, and the gear is in meshing connection with the gear ring.

[0010] Further, the connecting plates are arranged on the bottom of the gear ring and the top mold fixing seat, the connecting plates on the gear ring and the top mold fixing seat are in position correspondence, and the connecting plates in the corresponding positions are connected through first connecting bolts.

[0011] Further, the top bending head comprises but is not limited to a V-shaped bending head, a U-shaped bending head, an R-shaped bending head and a Z-shaped bending head, at least two top bending heads are arranged, and the top bending heads are uniformly distributed in a circle along the center of the top mold fixing seat.

[0012] Further, the bending groove on the bottom bending seat is matched with the shape of the top bending head.

[0013] The utility model discloses the beneficial effects are as follows:

[0014] The connecting clamp structure formed by the connecting plate and the first connecting bolt can fix a plurality of different kinds of top bending heads below the top mold connecting seat, the second connecting bolt can fix a plurality of different kinds of bottom bending seats above the bottom mold connecting seat, the driving member and the driving member cooperate, the matched top bending head and bottom bending seat can be replaced, the workpiece can be bent into different shapes, the bending efficiency is improved, and the utility model is more convenient to use. DRAWINGS

[0015] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0016] Figure 2 It is one of the top mold assembly structure schematic diagram of the utility model;

[0017] Figure 3 It is the second top mold assembly structure schematic diagram of the utility model;

[0018] Figure 4 It is the bottom mold assembly structure schematic diagram of the utility model;

[0019] Figure 5 It is the utility model cutaway view.

[0020] Reference signs: 1, base; 2, support frame; 3, electric telescopic rod; 4, top mold connecting seat; 401, limiting sleeve; 5, driving member; 501, gear ring; 502, mounting frame; 503, first motor; 504, gear; 6, top mold fixing seat; 601, top bending head; 602, support cylinder; 603, limiting inserting rod; 7, connecting plate; 701, first connecting bolt; 8, second motor; 801, bottom mold connecting seat; 9, bottom mold fixing seat; 901, bottom bending seat; 10, second connecting bolt. DETAILED DESCRIPTION

[0021] To make the objectives, technical solutions, and advantages of the embodiments of the present application clearer, the following will be a clear and complete description of the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some, but not all, of the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0022] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0023] It should be noted that: similar reference signs and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0024] In the description of the embodiments of the present application, it should be noted that the directions or position relationships indicated by the terms "inner", "outer", "upper", etc. are based on the directions or position relationships shown in the drawings, or the directions or position relationships of the present application product when it is usually placed, which are only for the convenience of describing the present application and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a particular direction, be constructed and operated in a particular direction, therefore, cannot be understood as a limitation on the present application.

[0025] As Figures 1-5As shown, a clamp device for a bending machine comprises a base 1 and a support frame 2 connected thereto, a bottom die assembly and a top die assembly for bending a workpiece are respectively arranged on the base 1 and the support frame 2, the bottom die assembly comprises a bottom die fixing seat 9, a bottom bending seat 901 at the top of the bottom die fixing seat 9 and a driving member for driving the bottom bending seat 901 to rotate, the driving member comprises a second motor 8 and a bottom die connecting seat 801, the bottom die connecting seat 801 and the bottom die fixing seat 9 are connected through a second connecting bolt 10, the top die assembly comprises a top die connecting seat 4, a top die fixing seat 6, a top bending head 601 arranged at the bottom of the top die fixing seat 6, a driving member 5 for driving the top die fixing seat 6 to rotate and a connecting clamp structure for connecting the top die connecting seat 4 and the top die fixing seat 6, the connecting clamp structure comprises a connecting plate 7 and a first connecting bolt 701, the bottom of the support frame 2 is provided with an electric telescopic rod 3, and the top die connecting seat 4 is connected with the telescopic end of the electric telescopic rod 3; Specifically, different types of top bending heads 601 are arranged on the top die fixing seat 6, in use, the connecting clamp structure arranged can fix a plurality of top bending heads 601 at one time, then the top die fixing seat 6 can be driven to rotate under the action of the driving member 5, thereby driving the top bending head 601 to alternate, so that the replacement of the top bending head 601 can be conveniently realized, thereby bending the workpiece into different shapes, the top die fixing seat 6 and the bottom die fixing seat 9 are projected and overlapped, the positions of the overlapping top bending head 601 and the bottom bending seat 901 correspond, the second connecting bolt 10 can conveniently limit the bottom die fixing seat 9, and the bottom bending seat 901 also comprises different types, so that different types of bottom bending seats 901 can be simultaneously limited.

[0026] As shown in Figure 5 , the bottom of the top die connecting seat 4 is provided with a limiting sleeve 401, the top end of the top die fixing seat 6 is provided with a limiting plug rod 603 matched with the limiting sleeve 401, the top end of the top die fixing seat 6 is provided with a supporting cylinder 602, and a plurality of balls are uniformly arranged at the top of the supporting cylinder 602; Specifically, the limiting plug rod 603 is inserted into the inside of the limiting sleeve 401, so as to ensure that the center points of the top die connecting seat 4 and the top die fixing seat 6 coincide, then the top die fixing seat 6 and the top die connecting seat 4 can be connected through the connecting clamp structure, at this time the top of the supporting cylinder 602 abuts against the bottom of the top die connecting seat 4, but due to the arrangement of the balls, the rotation of the top die fixing seat 6 is not affected.

[0027] As shown in Figure 3 and 5As shown, the driving member 5 includes a gear ring 501, a mounting frame 502, a first motor 503 and a gear 504, the gear ring 501 is sleeved on the top mold connecting seat 4, the mounting frame 502 is arranged on the top of the top mold connecting seat 4, the gear 504 is connected with the main shaft end of the first motor 503, and the gear 504 is engaged with the gear ring 501; specifically, the first motor 503 can drive the gear 504 to rotate, the gear 504 and the gear ring 501 are engaged to drive the gear ring 501 to rotate, so that the top mold fixing seat 6 can be driven to rotate, thereby the alternating of the top bending head 601 can be driven.

[0028] As shown in the figure, Figure 3 The connecting plate 7 is arranged on the bottom of the gear ring 501 and the top mold fixing seat 6, the number of the connecting plate 7 on the gear ring 501 and the top mold fixing seat 6 corresponds, and the connecting plate 7 at the corresponding position is connected through the first connecting bolt 701; specifically, the top mold fixing seat 6 and the top mold connecting seat 4 correspond in position, and the first connecting bolt 701 can limit the top mold fixing seat 6.

[0029] As shown in the figure, Figures 2-5 The top bending head 601 includes but is not limited to V-shaped bending head, U-shaped bending head, R-shaped bending head and Z-shaped bending head, and at least two top bending heads 601 are arranged, and the top bending heads 601 are evenly distributed along the center of the top mold fixing seat 6.

[0030] As shown in the figure, Figures 2-5 The shape of the bending groove on the bottom bending seat 901 is matched with the shape of the top bending head 601.

[0031] In summary: the top mold fixing seat 6 and the top mold connecting seat 4 correspond in position, the connecting plate 7 between them corresponds in position, the first connecting bolt 701 is screwed into the corresponding position, the connection and limiting of the top bending head 601 can be realized, the second connecting bolt 10 can be used to realize the connection and limiting of the bottom bending seat 901, under the cooperation of the driving member 5 and the driving member 5, the top bending head 601 and the bottom bending seat 901 correspond in position, so that the bending processing of different shapes of workpieces can be realized, the jig device can be used to limit multiple top bending heads 601 at one time, and the top bending heads 601 do not need to be disassembled when being bent in different shapes, and the use is more convenient.

[0032] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection required by the present application is defined by the appended claims and their equivalents.

Claims

1. A clamp device for a bending machine, characterized by, The utility model provides a kind of bending machine, including base (1) and support frame (2) connected with it, bottom die assembly and top die assembly for being bent to workpiece are respectively provided on the base (1) and support frame (2), the bottom die assembly includes bottom die fixed seat (9) and its top bottom bending seat (901) and driving member for driving it to rotate, the driving member includes second motor (8) and bottom die connecting seat (801), the bottom die connecting seat (801) and bottom die fixed seat (9) are connected by second connecting bolt (10), the top die assembly includes top die connecting seat (4), top die fixed seat (6) and the top bending head (601) being provided in top die fixed seat (6) bottom, driving member (5) for driving top die fixed seat (6) to rotate and the connecting fixture structure for connecting top die connecting seat (4) with top die fixed seat (6), the connecting fixture structure includes connecting plate (7) and first connecting bolt (701), the bottom of support frame (2) is provided with electric telescopic rod (3), and the telescopic end of top die connecting seat (4) is connected with electric telescopic rod (3).

2. The clamp device for a bending machine according to claim 1, characterized in that, The bottom of the top die connecting seat (4) is provided with a limiting sleeve (401), and the top end of the top die fixed seat (6) is provided with a limiting plug rod (603) matched with the limiting sleeve (401), the top end of the top die fixed seat (6) is provided with a supporting cylinder (602), and the top of the supporting cylinder (602) is uniformly provided with a plurality of ball bearings.

3. The clamp apparatus for a bending machine according to claim 1, wherein The driving member (5) includes a gear ring (501), a mounting frame (502), a first motor (503) and a gear (504), the gear ring (501) is sleeved on the top die connecting seat (4), the mounting frame (502) is arranged on the top of the top die connecting seat (4), the gear (504) is connected with the main shaft end of the first motor (503), and the gear (504) is engagedly connected with the gear ring (501).

4. The clamp device for a bending machine according to claim 3, wherein The connecting plate (7) is arranged on the bottom of the gear ring (501) and the top die fixed seat (6), the number of the connecting plates (7) on the gear ring (501) and the top die fixed seat (6) corresponds, and the connecting plates (7) at the corresponding positions are connected by the first connecting bolt (701).

5. The clamp apparatus for a bending machine according to claim 1, wherein The top bending head (601) includes but is not limited to a V-shaped bending head, a U-shaped bending head, an R-shaped bending head and a Z-shaped bending head, and at least two top bending heads (601) are provided, and the top bending heads (601) are uniformly distributed along the center of the top die fixed seat (6) in a circumferential manner.

6. The clamp apparatus for a bending machine according to claim 1, wherein The bending groove on the bottom bending seat (901) is matched with the shape of the top bending head (601).

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